Solid Polymer Derived From Polycarboxylic Acid Or Derivative And Polyhydroxy Compound Is Derived From Two Or More Polycarboxylic Acids Or Derivatives Patents (Class 525/448)
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Patent number: 6077917Abstract: This invention offers a coating resin composition which exhibits excellent drawing processability, processability and hardness and forms a coat having good processability, hardness, scuff resistance, impact resistance, stain resistance and blocking resistance even in clear or low pigment concentration. Disclosed herein is a coating resin composition containing a polyester resin (A) which has a glass transition point of 10-80.degree. C., reduced viscosity of not less than 0.2 dl/g and specific gravitity of 1.21-1.30 and mainly comprises aromatic dicarboxylic acid including terephthalic acid, 2-methyl-1,3-propanediol and/or 1,3-propanediol and alkylene glycol with 5-10 carbon atoms and/or alicyclic glycol and a hardener (B) which is reactive with said polyester resin (A).Type: GrantFiled: October 7, 1997Date of Patent: June 20, 2000Assignee: Toyo Boseki Kabushiki KaishaInventors: Hiroshi Tachika, Masami Oka, Kuniyuki Doi
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Patent number: 6048949Abstract: Low temperature curable unsaturated polyester powder coatings suited for heat sensitive substrates with improved surface cure through incorporation of active hydrogen groups into the unsaturated polyester molecule. The unsaturated polyesters containing active hydrogens are derived from ethylenically unsaturated polyfunctional carboxylic acids and active hydrogen containing polyols. Full cure on the surface is obtained without the need for polyethylene waxes or oxygen-reactive curative resins that are commonly employed in order to prevent atmospheric oxygen from inhibiting the free-radical induced cure at the surface of the coating.Type: GrantFiled: May 11, 1998Date of Patent: April 11, 2000Assignee: Morton International, Inc.Inventors: Jeno Muthiah, Joseph J. Kozlowski, Navin B. Shah, Paul H. Radcliffe, Edward G. Nicholl
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Patent number: 6008182Abstract: A process for preventing dye redeposition during the washing of a dyed fabric or garment made from natural fibers, which process incorporates as a dye redeposition inhibiting agent, a water-soluble or water-dispersible polyester resin composition comprising a reaction product of 20%-50% by weight of terephthalate polymer or waste terephthalate polymer, 10-40% by weight of at least one glycol and 5-25% by weight of at least one oxyalkylated polyol.Type: GrantFiled: June 22, 1998Date of Patent: December 28, 1999Assignee: Seydel Research, Inc.Inventors: Robert Keith Salsman, Brian J. Clark
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Patent number: 5972446Abstract: The refillable polyester bottle of the invention has a mean crystallinity of 32 to 70% at the bottle body, a methanol adsorption of 1,500 ppm or less at the same portion and a paraxylene adsorption of 300 ppm or less at the same portion. Therefore, the bottle is excellent in non-adsorptivity and heat resistance. According to the method of removing adsorbates on a polyester bottle of the invention, the adsorbates can be rapidly desorbed by holding the bottle in air of 40 to 150.degree. C. or bringing the bottle into contact with water or water vapor heated at 40 to 150.degree. C.Type: GrantFiled: December 6, 1996Date of Patent: October 26, 1999Assignee: Mitsui Petrochemical Industries, Ltd.Inventors: Hidenori Kaya, Hiroji Niimi, Susumu Hatabu, Kunio Tomita
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Patent number: 5936045Abstract: Biodegradable polymers comprising a polyether ester P1 obtained by reactinga first mixture of20-95 mol% of adipic acid or ester-forming derivatives thereof or mixtures thereof,5-80 mol% of terephthalic acid or ester-forming derivatives thereof or mixtures thereof, and0-5 mol% of a compound containing sulfonate groups,and a second mixture of15-99.8 mol% of a dihydroxy compound selected from the group consisting of C.sub.2 -C.sub.6 -alkanediols and C.sub.5 -C.sub.10 -cycloalkanediols,85-0.2 mol% of a dihydroxy compound IHO--?(CH.sub.2).sub.n --O!.sub.m --H(n=2, 3 or 4, m=2-250)with0-5 mol%, based on the first mixture, of a compound D having at least three groups capable of ester formation,and a bisoxazoline C1, their preparation and their use in the manufacture of biodegradable molding materials.Type: GrantFiled: August 14, 1997Date of Patent: August 10, 1999Assignee: BASF AktiengesellschaftInventors: Volker Warzelhan, Gunter Pipper, Ursula Seeliger, Peter Bauer, Dieter Bernhard Beimborn, Motonori Yamamoto
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Patent number: 5932344Abstract: A cement retarder which comprises a saturated or unsaturated polyester obtained by a reaction of a polycarboxylic acid component comprising a polycarboxylic acid having 2 to 6 carbon atoms in the main chain or its derivative, and a polyol component containing a polyhydric alcohol having 2 to 4 carbon atoms or its condensate, wherein:(a) the saturated polyester has a weight average molecular weight of about 300 to about 50,000; or(b) the unsaturated polyester has a weight average molecular weight of about 500 to about 25,000; or(c) the polyhydric alcohol used to obtain the saturated or unsaturated polyester is a condensate of a C.sub.2-4 alkylene glycol; or(d) the saturated polyester is a polyester obtained by the use of a condensate of a C.sub.2-4 alkylene glycol and has a weight average molecular weight of about 300 to about 50,000; or(e) the unsaturated polyester is a polyester obtained by the use of a condensate of a C.sub.Type: GrantFiled: October 7, 1996Date of Patent: August 3, 1999Assignee: Daicel-Huels Ltd.Inventors: Yoshiyuki Ikemoto, Toru Ikuta
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Patent number: 5922474Abstract: The present invention relates to polyesters formed by reacting components comprising: (a) from about 20 to about 45 mol% of a diol; (b) from about 4 to about 25 mol% of a polyol; (c) from about 5 to about 25 mol% of a diacid; (d) up to 6 mol% of an ethylenically unsaturated anhydride; and (e) from about 35 to about 45 mol% of a monofunctional fatty acid, where all mole percentages are based on the total mols of (a), (b), (c), (d) and (e). Further, the present invention is directed to liquid enamel compositions comprising: (1) from about 50 to about 90 wt. % of a polyester of the present invention; (2) about 10 to about 50 wt. % of a crosslinking agent; and (3) less than about 20 wt. % of a suitable organic solvent; where all weight percentages are based on the total weight of (1), (2) and (3). The liquid enamel compositions of the present invention have a viscosity of 50 to 1,000 mPa s (cP) at room temperature.Type: GrantFiled: January 22, 1998Date of Patent: July 13, 1999Assignee: Eastman Chemical CompanyInventor: Thauming Kuo
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Patent number: 5880220Abstract: Biodegradable polyetheresteramides P1 which are obtained by reacting(a1) a mixture containing20-95 mol % of adipic acid or ester-forming derivatives thereof or mixtures thereof and5-80 mol % of terephthalic acid or ester-forming derivatives thereof or mixtures thereof, and(a2) a mixture of dihydroxy compounds(a21) from 15 to 99.3 mol % of a dihydroxy compound selected from the group consisting of C.sub.2 -C.sub.6 -alkanediols and C.sub.5 -C.sub.10 -cycloalkanediols,(a22) from 0.2 to 85 mol % of a dihydroxy compound containing ether functionalities of the formula IHO--((CH.sub.2).sub.n --O).sub.m --H Iwhere n is 2, 3 or 4 and m is an integer from 2 to 250, or mixtures thereof and(a23) from 0.5 to 80 mol % of an amino-C.sub.2 -C.sub.12 -alkanol or amino-C.sub.5 -C.sub.10 -cycloalkanol,where the molar ratio of (a1) to (a2) is from 0.4:1 to 1.5:1, with the proviso, inter alia, that the polyetheresteramides P1 have a molecular weight (M.sub.Type: GrantFiled: July 3, 1997Date of Patent: March 9, 1999Assignee: BASF AktiengesellschaftInventors: Volker Warzelhan, Gunnar Schornick, Frank Braun, Ursula Seeliger, Motonori Yamamoto, Peter Bauer
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Patent number: 5858529Abstract: Polyester staple fibers with high resistance to pilling contain (1) a polyester component consisting of at least 90 mol % polyethylene terephthalate, after its polycondensation, and (2) 1 to 7% by weight, relative to the polyester component, of a polyalkylene glycol block polymer with the formula ##STR1## in which the polyoxypropylene core has a mean molecular weight of 3000 to 4000 and a, b and c are integers such that the polyoxyethylene groups form 20 to 60% by weight of the block polymer, which has a mean molecular weight of 3750 to 10000. The staple fibers are prepared by admixing the polyester component and the block copolymer evenly in a separate phase and spinning the two together in the usual manner. The polyester component preferably is polyethylene terephthalate homopolyester, to which 2-4% by weight of the block copolymer is admixed.Type: GrantFiled: November 13, 1997Date of Patent: January 12, 1999Assignee: Akzo Nobel NVInventors: Joseph C. W. Spijkers, Eberhard Ruf, Diederich Schilo
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Patent number: 5856401Abstract: A method wherein polyesters are prepared under mild conditions by directly condensing hydroxycarboxylic acids or mixtures of polyfunctional alcohols and carboxylic acids in hydrophobic media using heterogeneous catalysts that can form a hydrophilic phase. The systems are inverse emulsions, inverse microemulsions and solid-in-liquid dispersions.Type: GrantFiled: January 27, 1998Date of Patent: January 5, 1999Assignee: Saam AssociatesInventor: John C. Saam
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Patent number: 5847057Abstract: The invention relates to heat-curable coating compounds containing a carboxyl-functional polyester produced by a condensation reaction from aliphatic and/or cycloaliphatic and/or aromatic polycarboxylic acids and anhydrides, a .beta.-hydroxyalkylamide and special stabilizers.Type: GrantFiled: October 30, 1997Date of Patent: December 8, 1998Assignee: EMS--Inventa AGInventors: Andreas Kaplan, Manfred Wenzler
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Patent number: 5780556Abstract: The present invention provides an amino curable polyester oligomer composition having low viscosity and a narrow molecular weight distribution comprising one or a mixture of oligomers (a) and (b): ##STR1## wherein R is the residue of at least one aliphatic, cycloaliphatic or mixed aliphatic/aromatic polycarboxylic-acid having from 2 to about 20 carbon atoms, R.sub.1 is the residue of at least one aliphatic, cycloaliphatic or mixed aliphatic/cycloaliphatic polyol having from 2 to about 20 carbon atoms, A is a radical of the formula: ##STR2## B is a radical of the formula: ##STR3## wherein R.sub.4 is H, OH, halogen or an organic radical containing 1 to 4 carbon atoms, R.sub.5 is a direct bond or an organic radical containing 1 to 20 carbon atoms and R.sub.6 is an organic radical containing 2 to 20 carbon atoms, n is a number averaging from greater than 0 up to less than 2 and p is a number averaging from about 0.Type: GrantFiled: June 7, 1995Date of Patent: July 14, 1998Assignee: Exxon Chemical Patents IncInventors: Albert Ilya Yezrielev, Konstantinos R. Rigopoulos, Vijay Swarup
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Patent number: 5759694Abstract: A novel polyester is provided comprising the reaction product of: (1) an acid functional polyester which is prepared from: (a) a material of the structure: ##STR1## wherein X is a lower alkyl group having from about 1 to about 4 carbon atoms, and R and R' are independently lower alkylene groups having from about 1 to about 4 carbon atoms; (b) a polyol different from (a); and (c) a polyacid; and (2) a monoepoxide containing from about 3 to 20 carbon atoms. The reaction product is carbamoylated. The carbamoylated polyester can be present in a film-forming composition also having a carbamate functional acrylic polymer; and an aminoplast crosslinking agent. Also such a film-forming composition can be a clear coat in a multi-component composite coating composition.Type: GrantFiled: June 30, 1997Date of Patent: June 2, 1998Assignee: PPG Industries, Inc.Inventors: Michael A. Mayo, Daniel E. Rardon, Leigh-Ann Humbert
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Patent number: 5677396Abstract: An improved process for making polyetherester resins is disclosed. The process comprises reacting a polyether with a diol diester in the presence of a catalyst that promotes random insertion of the diester into carbon-oxygen bonds of the polyether to produce the polyetherester resin. The process of the invention offers many advantages, including higher resin yields, reduced by-product generation, and the ability to make resins with low color and low acid numbers. The resins are useful for making polyetherester thermosets.Type: GrantFiled: March 20, 1996Date of Patent: October 14, 1997Assignee: ARCO Chemical Technology, L.P.Inventor: Jeffrey A. Klang
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Patent number: 5650204Abstract: The refillable polyester bottle of the invention has a mean crystallinity of 32 to 70% at the bottle body, a methanol adsorption of 1,500 ppm or less at the same portion and a paraxylene adsorption of 300 ppm or less at the same portion. Therefore, the bottle is excellent in non-adsorptivity and heat resistance. According to the method of removing adsorbates on a polyester bottle of the invention, the adsorbates can be rapidly desorbed by holding the bottle in air of 40.degree. to 150.degree. C. or bringing the bottle into contact with water or water vapor heated at 40.degree. to 150.degree. C.Type: GrantFiled: September 6, 1994Date of Patent: July 22, 1997Assignee: Mitsui Petrochemical Industries, Ltd.Inventors: Hidenori Kaya, Hiroji Niimi, Susumu Hatabu, Kunio Tomita
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Patent number: 5637356Abstract: Polyesters are formed from diols and dibasic carboxylic acids at an OH/COOH ratio to provide --OH termination, and then end-capped with tribasic carboxylic acids. A major portion of the dibasic carboxylic acids used to form the polyesters have the formula: ##STR1## where x=8-32, y=0-8, x+y=8-32. The polyesters are used as support resins for forming acrylic resin emulsions. The polyester/acrylic acid emulsions are useful, for example, as textile size.Type: GrantFiled: March 5, 1996Date of Patent: June 10, 1997Assignee: Morton International, Inc.Inventors: Ronald J. Kerr, John P. Petrovich, Stephen J. Walker, J. Alvin Binkley
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Patent number: 5576397Abstract: Acid-modified polyesters obtained by reacting(a) from 20 to 60, preferably 30-50, mol % of at least one dicarboxylic acid,(b) from 3 to 30, preferably 5-20, mol % of a dihydroxyalkanecarboxylic acid,(c) from 10 to 60, preferably 20-50, mol % of a diol,(d) from 0 to 30 mol % of a polyalcohol having more than two OH groups or of a polycarboxylic acid, and(e) from 0 to 20, preferably up to 10, mol % of a monocarboxylic acid,the ratio of the sum of the hydroxyl equivalents to the sum of the carboxyl equivalents in the reactants being between 0.5 and 2.0, the quantities of free hydroxyl groups in the end product being between 30 and 350 mmol of hydroxyl groups per 100 g of solid resin, preferably between 100 and 250 mmol of hydroxyl groups per 100 g of solid resin, and the content of free, neutralized and/or neutralizable acid groups being between 5 and 350 mmol of acid groups per 100 g of solid resin, preferably between 9 and 120 mmol of acid groups per 100 g of solid resin.Type: GrantFiled: February 16, 1995Date of Patent: November 19, 1996Assignee: Hoechst AktiengesellschaftInventors: Paul Oberressl, Joachim Zoeller
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Patent number: 5541240Abstract: Blends of thermotropic liquid crystalline polymers and isotropic melt-processable polymers are made by extruding a molten stream of either a thermotropic liquid crystalline polymer or an isotropic polymer through a heated mixing zone and feeding the other of the two polymers into the stream of the first polymer in the mixing zone. The polymers are mixed under shearing conditions for a time sufficient to yield a uniform blend. Blends made according to this method exhibit improved properties in comparison with blends obtained by feeding the two polymers simultaneously into a heated mixing zone.Type: GrantFiled: March 15, 1994Date of Patent: July 30, 1996Assignee: Hoechst Celanese Corp.Inventors: Subhash Makhija, George L. Lundberg, James B. Stamatoff
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Patent number: 5519094Abstract: Thermoplastic molding compositions and articles comprise immiscible thermoplastic polymer components and reinforcing fibers. The immiscible thermoplastic polymer components and the fibers are blended together under high shear conditions. The molding composition generally contains at least two phases and has an extremely smooth and fiber-free surface. Generally, other very good physical properties are obtained such as high heat distortion temperatures, high tensile modulus, high flex modulus, and the like are also very good. A desired blend of thermoplastic components is thermoplastic polyurethane and modified polyethylene terephthalate with glass fibers. The molded polyethylene terephthalate copolyester blended with an immiscible thermoplastic polymer, preferably modified polyurethane, and glass fibers produces thermoplastic molding compositions and articles having surprisingly superior impact strength.Type: GrantFiled: October 29, 1993Date of Patent: May 21, 1996Assignee: B. F. Goodrich CompanyInventors: Hsiungto S. Tseng, Edmond G. Kolycheck
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Patent number: 5516846Abstract: Coating compositions which comprise:(i) an acid-functional compound having an average of at least two carboxylic acid groups per molecule; and(ii) an anhydride-functional compound having an average of at least two cyclic carboxylic acid anhydride groups per molecule; and(iii) an epoxy-functional compound having an average of at least one epoxy group per molecule; wherein at least one of the compounds (i), (ii), or (iii) comprises a film forming polymer.Type: GrantFiled: August 25, 1995Date of Patent: May 14, 1996Assignee: The Sherwin-Williams CompanyInventors: Mohamad D. Shalati, James A. Marquart, John L. Petty, Rodney M. Harris
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Patent number: 5502121Abstract: This invention relates to a visually clear blend comprising:(A) about 1 to 99 weight % of a polyarylate based on alkylbisphenol-A, and(B) about 99 to 1 weight % of an aliphatic polyester.Type: GrantFiled: September 30, 1994Date of Patent: March 26, 1996Assignee: Eastman Chemical CompanyInventors: Christopher E. Scott, James D. Small, Jr., Hsinjin Yang, Paul D. Yacobucci, Gary M. Stack
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Patent number: 5464909Abstract: Provided are thermosetting powder coatings based on a resin based on dimethyl 2,6-decalindicarboxylate and neopentyl glycol. The resin may be modified with other diacids or diols but must have a suitable glass transition temperature (Tg) required for powder coatings. We have found that this aliphatic polyester meets the basic Tg requirement of powder coatings and found that it provides powder coating with excellent weatherability. The polyester resin has a number average molecular weight (Mn) of from about 1,500 to about 10,000, a glass transition temperature (Tg) of about 45.degree. C. to 100.degree. C., and a hydroxyl or acid number of from about 20 to about 100.Type: GrantFiled: March 24, 1995Date of Patent: November 7, 1995Assignee: Eastman Chemical CompanyInventors: Yeon-Ho Chang, Robert B. Barbee, Brian S. Phillips
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Patent number: 5458949Abstract: A film for heat-sensitive stencil paper comprising a biaxially oriented film having a thickness of 0.5 to 6.0 .mu.m and formed from a polyester composition comprising polybutylene terephthalate and at least one other polyester, the content of the polybutylene terephthalate in the polyester composition being 20 to 80 wt %, the polyester composition has one melting point or a plurality of melting points with a difference of less than 10.degree. C. between the highest melting point and the lowest melting point.Type: GrantFiled: April 28, 1994Date of Patent: October 17, 1995Assignee: Diafoil Hoechst Company, LimitedInventors: Megumi Komiyama, Kazuo Endo, Masashi Tate
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Patent number: 5409764Abstract: A curable adhesive composition comprising an unsaturated polyester oligomer (A) of any of the following formulae (I) to (IV), obtained by reacting a compound (a) having a hydroxyl group and/or an amino group, a cyclic acid anhydride (b) and an epoxide (c) having an ethylenically unsaturated group, and an adhesive polymer (B), ##STR1## wherein: R.sub.1 is a divalent organic moiety having 1 to 40 carbon atoms,R.sub.2 is a divalent organic moiety having 1 to 10 carbon atoms,R.sub.3 is hydrogen or methyl,R.sub.4 is a monovalent organic moiety having 1 to 40 carbon atoms,R.sub.5 is a monovalent organic moiety having 1 to 40 carbon atoms,R.sub.6 is hydrogen or a monovalent organic moiety having 1 to 10 carbon atoms, andn is an integer of 2 or greater.Type: GrantFiled: September 23, 1994Date of Patent: April 25, 1995Assignee: Toyo Ink Manufacturing Co., Ltd.Inventors: Tsukasa Otsuki, Masato Yanagi, Toshikazu Onikubo, Kouichi Iibuchi
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Patent number: 5410000Abstract: Copolyester compositions are provided which comprise the reaction product of at least one straight chain, branched, or cycloaliphatic C.sub.2 -C.sub.10 alkane diol or a chemical equivalent thereof, a mixture of at least two cycloaliphatic diacids or chemical equivalents thereof, the mixture comprising predominantly a trans-enantiomer, and at least one aromatic diacid or a chemical equivalent thereof. These copolyesters have superior ductility to the homopolymers of the diol component and either of the diacid components.Type: GrantFiled: August 18, 1994Date of Patent: April 25, 1995Assignee: General Electric CompanyInventor: Willem F. H. Borman
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Patent number: 5408013Abstract: An unsaturated polyester resin composition capable of affording a molded product having a small cured volume shrinkage, a superior dimensional stability, a surface quality and a high hardness, a sheet-form molding material using the composition and a process for producing a fiber-reinforced plastic molded product are provided, which composition comprises a saturated polyester obtained by reacting a saturated dibasic acid component containing 20% by mol or more of adipic acid with a saturated glycol component and having a number average molecular weight of 4,000 or higher and an acid value of 2 to 8 KOH mg/g, an unsaturated polyester and an ethylenic unsaturated monomer; which sheet-form molding material has the unsaturated resin composition together with a fiber reinforcing material placed between two films.Type: GrantFiled: December 1, 1993Date of Patent: April 18, 1995Assignee: Hitachi Chemical Co., Ltd.Inventors: Hiroyuki Kawakami, Masaaki Yasuda, Shoichi Sasaki
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Patent number: 5405657Abstract: A process for the production of flexible impregnated protective, auxiliary and insulating materials on a fibre basis for electrical purposes by the application of an impregnating agent to the material to be impregnated, followed by curing, characterised in that a solvent-free impregnating mass containing one or more olefinically unsaturated, radically polymerisable polyesters, which contain one or more radically polymerisable monomers as reactive diluents, one or more plasticizing agents and optionally one or more peroxide-free radical initiators is applied to the material to be impregnated and curing is then carried out with high energy radiation and optionally by further heating.Type: GrantFiled: November 2, 1993Date of Patent: April 11, 1995Assignee: Herberts G.m.b.H.Inventors: Udo Bastian, Rainer Krause, Gerhard Kiessling
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Patent number: 5393846Abstract: A thermosetting powder coating composition having improved optical and weathering properties, such as gloss, orange peel, and Distinctness of Image (DOI), while maintaining other physical properties such as flexibility, durability, solvent and corrosive resistance, which comprises a reactable mixture of a carboxylic acid group-containing polyester, a monocarboxylic acid group-containing material and beta-hydroxyalkylamide curing agent.Type: GrantFiled: September 10, 1993Date of Patent: February 28, 1995Assignee: Rohm and Haas CompanyInventors: David A. Hammerton, Karlheinz Kromberger
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Patent number: 5391643Abstract: The invention consists of a new method of curing a polyester powder coating composition. The resin is cured by the use of an organotitanium or organozirconium derivative of an alkanolamine having the formula M.sub.3 [(OR).sub.3 N].sub.4 or O[M(OR).sub.3 N].sub.2 or R.sup.1 [OM(OR).sub.3 N].sub.x where M represents Ti or Zr, R represents a divalent aliphatic radical, x is 1 to 4 and R .sup.1 is a saturated hydrocarbyl group or a group containing one or more ether linkages. The method is suitable for use with both hydroxyl-rich and carboxyl-rich polyester resins and the cured coatings have desirable physical properties.Type: GrantFiled: May 11, 1994Date of Patent: February 21, 1995Assignee: Tioxide Specialties LimitedInventors: John Ridland, Brian S. Jolly
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Patent number: 5389286Abstract: Random and block copolyesters which are liquid crystalline can be formed containing: (a) alkoxy-substituted para-phenylene terephthalate groups (i.e., derived from an analogously substituted hydroquinone reagent); and (b) alkylene-terephthalate groups (e.g., where the alkylene moiety contains 2 to 10 carbon atoms).Type: GrantFiled: October 8, 1992Date of Patent: February 14, 1995Assignee: University of Massachusetts at AmherstInventors: Ashok Tendolkar, Sridevi Narayan, Simon W. Kantor, Robert W. Lenz
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Patent number: 5384354Abstract: The present invention provides a polyester film for processing of a metal sheet, which shows excellent molding-processability when it is laminated onto a metal sheet and the laminated metal sheet is made into a can by deep drawing or the like and which is suitable and useful for production of a metal can having excellent heat resistance, impact resistance and flavor-retaining property.A polyester film used for lamination onto a metal sheet for processing of said metal sheet, characterized in that the film is formed from 99 to 60% by weight of a copolyester, as the component A, having an ethylene terephthalate unit as the main recurring unit and having a melting point of 210 to 245.degree. C. and 1 to 40% by weight of a polybutylene terephthalate or a copolyester, as the component B, having a butylene terephthalate unit as the main recurring unit and having a melting point of 180 to 223.degree. C., and further comprising a lubricant having an average particle diameter of 2.5 .mu.Type: GrantFiled: September 15, 1993Date of Patent: January 24, 1995Assignee: Teijin LimitedInventors: Kinji Hasegawa, Takeo Asai, Yoji Murakami
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Patent number: 5382652Abstract: A polyester resin (A) having branched chain, a reduction viscosity (.eta. sp/c) of not less than 0.7, and a Z average molecular weight (Mz) relative to standard polystyrene of not less than 250.times.10.sup.3 and not more than 800.times.10.sup.3, a polyester resin composition comprised of resin (A) and a polyester resin (B) without branched chain and having a reduction viscosity (.eta. sp/c) of not less than 0.7., and a polyester resin composition comprised of resin (A) and a polyester resin (C) having branched chain and a melting point lower than that of the polyester resin (A). The sealant made from the polyester resin (A), or the resin compositions of the present invention is superior in heat-sealing properties, flavor retention, and film moldability (extrusion processing characteristics), and is suitable for a sealant for paper and plastic food containers.Type: GrantFiled: March 30, 1992Date of Patent: January 17, 1995Assignee: Toyo Boseki Kabushiki KaishaInventors: Kouji Fukuda, Shigeharu Sugihara, Takeshi Kamoto, Keiji Mori, Seiki Nishihara, Katsuya Emoto, Toshikazu Nishiwaki, Hiroshi Takeuchi
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Patent number: 5368968Abstract: Modified polyester resins contain polyester blocks which have been obtained from dicarboxylic acids and dialcohols, groupings of the formulae ##STR1## where X=Z=a hydrocarbon radical having 1 to 20 C atoms and Y=a hydrocarbon radical having 2 to 25 C atoms, and if appropriate groupings originating from crosslinking agents. They can be used as base polymers for toners.Type: GrantFiled: November 27, 1991Date of Patent: November 29, 1994Assignee: Bayer AktiengesellschaftInventors: Rolf Wehrmann, Matthias Kocher, Harald Pielartzik, Gunter Klug
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Patent number: 5362820Abstract: Carboxyl group-terminated polyesteramides comprising the reaction products of at least one diamine and a carboxyl group-terminated polyester selected from(a) a polyester prepared from at least one aliphatic and/or cycloaliphatic dicarboxylic acid and at least one polyol:(b) a polyester which is the reaction product of(i) at least one aliphatic and/or cycloaliphatic dicarboxylic acid and/or isophthalic acid, with(ii) a hydroxyl group-terminated polyester, and(c) a polyester which is the reaction product of(i) at least one aliphatic and/or cycloaliphatic dicarboxylic acid, with(ii) a polyester containing both terminal hydroxyl and terminal carboxyl groups, prepared by esterification of(iii) isophthalic acid with(iv) a hydroxyl group-terminated polyester,processes for preparing the same, and the powdered thermosetting compositions based on these polyesteramides and polyepoxy compounds for the production of powdered varnishes and paints which can be applied with a triboelectric spray gun.Type: GrantFiled: March 4, 1994Date of Patent: November 8, 1994Assignee: U C B S.A.Inventors: Luc Moens, Daniel Maetens, Jean-Marie Loutz
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Patent number: 5350830Abstract: Provided are polyester resins containing hydroxy functionalized isophthalate ester moieties useful in coating compositions. The invention provides both solvent-borne as well as water-borne coating compositions comprised of the resins and a crosslinker such as a melamine-type crosslinker. Polyester resins of the present invention having a T.sub.g of greater than about 50.degree. C. are useful in thermosetting powder coating compositions. The coatings thus provided possess excellent acid resistance, hardness, impact resistance, and stain resistance.Type: GrantFiled: November 27, 1992Date of Patent: September 27, 1994Assignee: Eastman Chemical CompanyInventors: Thauming Kuo, Charles H. Foster
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Patent number: 5344872Abstract: This invention relates to an aqueous dispersion of a water-dissipatable polyester and a styrenated acrylic copolymer in combination with either an acrylic polymer or a hydantoin-formaldehyde resin.Type: GrantFiled: February 19, 1993Date of Patent: September 6, 1994Assignee: Eastman Chemical CompanyInventors: Theo J. Debord, Nelson Z. Escano, Louis A. Wilkin
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Patent number: 5326832Abstract: The invention relates to a powder paint, comprising a polyepoxy compound, a polyester resin and customary additives, the polyester resin having an acid number ranging from 15 through 70 and a hydroxyl number of 10 or below and being substantially based on units of dicarboxylic acids, glycols and monomers of functionality three or higher, wherein the dicarboxylic acids are comprised of at least 15 mole % of isophthalic acid and at least 5 mole % of 1,4-cyclohexane dicarboxylic acid and wherein the glycols are comprised of at least 50 mole % of branched aliphatic glycols with 5-11 carbon atoms, which may optionally comprise an ester group, and at most 50 mole % of aliphatic glycol with 2-6 carbon atoms, and wherein the monomers have a functionality three or higher in an amount of at most 8 mole % of dicarboxylic acids plus glycols.Type: GrantFiled: July 7, 1992Date of Patent: July 5, 1994Assignee: DSM N.V.Inventors: Eimbert G. Belder, Fokeltje A. Koldijk, Frits Visser, Tosko A. Misev, Albertus R. Hofkamp, Marten Houweling
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Patent number: 5326822Abstract: A heat-curable molding material consists of an unsaturated polyester, monomers, a propylene polymer, free radical initiators and conventional additives and assistants, the propylene polymer being dispersed in the form of solid, round particles having a smooth surface and a mean diameter of from 1 to 200 .mu.m in the polyester resin.Type: GrantFiled: June 26, 1992Date of Patent: July 5, 1994Assignee: BASF AktiengesellschaftInventors: Anton Hesse, Walter Heckmann, Harald Kroeger, Bernd L. Marczinke, Volker Warzelhan
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Patent number: 5321100Abstract: The invention relates to a powder paint, comprising a polyepoxy compound, a polyester resin and customary additives, the polyester resin having an acid number ranging from 15 through 70 and a hydroxyl number of 10 or below and being substantially based on units of dicarboxylic acids, glycols and monomers of functionality three or higher, wherein the dicarboxylic acids are comprised of at least 15 mole % of isophthalic acid and at least 5 mole % of 1,4-cyclohexane dicarboxylic acid and wherein the glycols are comprised of at least 50 mole % of branched aliphatic glycols with 5-11 carbon atoms, which may optionally comprise an ester group, and at most 50 mole % of aliphatic glycol with 2-6 carbon atoms, and wherein the monomers have a functionality three or higher in an amount of at most 8 mole % of dicarboxylic acids plus glycols.Type: GrantFiled: July 7, 1992Date of Patent: June 14, 1994Assignee: DSM N.V.Inventors: Eimbert G. Belder, Fokeltje A. Koldijk, Frits Visser, Tosko A. Misev, Albertus R. Hofkamp, Marten Houweling
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Patent number: 5306786Abstract: Carboxyl group-terminated polyesteramides comprising the reaction products of at least one diamine and a carboxyl group-terminated polyester selected from(a) a polyester prepared from at least one aliphatic and/or cycloaliphatic dicarboxylic acid and at least one polyol;(b) a polyester which is the reaction product of(i) at least one aliphatic and/or cycloaliphatic dicarboxylic acid and/or isophthalic acid, with(ii) a hydroxyl group-terminated polyester, and(c) a polyester which is the reaction product of(i) at least one aliphatic and/or cycloaliphatic dicarboxylic acid, with(ii) a polyester containing both terminal hydroxyl and terminal carboxyl groups, prepared by esterification of(iii) isophthalic acid with(iv) a hydroxyl group-terminated polyester,processes for preparing the same, and the powdered thermosetting compositions based on these polyesteramides and polyepoxy compounds for the production of powdered varnishes and paints which can be applied with a triboelectric spray gun.Type: GrantFiled: December 16, 1991Date of Patent: April 26, 1994Assignee: U C B S.A.Inventors: Luc Moens, Daniel Maetens, Jean-Marie Loutz
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Patent number: 5306567Abstract: Provided are polyester resins containing hydroxy functionalized isophthalate ester moieties useful in coating compositions. The invention provides both solvent-borne as well as water-borne coating compositions comprised of the resins and a crosslinker such as a melamine-type crosslinker. Polyester resins of the present invention having a T.sub.8 of greater than about 50.degree. C. are useful in thermosetting powder coating compositions. The coatings thus provided possess excellent acid resistance, hardness, impact resistance, and stain resistance.Type: GrantFiled: March 22, 1993Date of Patent: April 26, 1994Assignee: Eastman Kodak CompanyInventors: Thauming Kuo, Charles H. Foster, Yeong-Ho Chang
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Patent number: 5300332Abstract: A modified polyester resin is the reaction product of:(A) an acid component mainly comprised of terephthalic acid, 2,6-naphthalene dicarboxylic acid or a lower alcohol ester thereof,(B) a diol component mainly comprising an alkylene glycol having 2 to 8 carbon atoms, and(C) an aromatic sulfonic acid compound of the following general formula (1):HO(RO).sub.n --Ar--SO.sub.3 M (1)where Ar represents a benzene or naphthale ring, n represents an integer from 1 to 10, R represents a group selected from among alkylenes having 2 or 3 carbon atoms and when n is 2 or more, R may be the same as or different from one another, and M represents an alkali metal selected from lithium, sodium and potassium. The modified polyester resin also satisfies the following formulas (2) and (3):0.25.ltoreq.x.ltoreq.100 (meq/kg) (2)2.ltoreq.(x/CEG).times.100.ltoreq.Type: GrantFiled: February 11, 1993Date of Patent: April 5, 1994Assignee: Polyplastics Co., Ltd.Inventors: Kuniaki Kawaguchi, Toshio Nakane, Kenji Hijikata
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Patent number: 5283542Abstract: A composition of matter is provided which comprises low-shrinkage, wet-type unsaturated polyester (B.M.C.) having high thermal conductivity, glass fibers, and a particulate aluminum nitride filler having high thermal conductivity. Also provided is an electrical component housing which possesses high thermal conductivity and heat dissipation properties including a body of a low-shrinkage, wet-type unsaturated polyester (B.M.C.) composition having high thermal conductivity.Type: GrantFiled: July 2, 1992Date of Patent: February 1, 1994Assignee: Mitsubishi Denki Kabushiki KaishaInventors: Haruyuki Ochiai, Sadatoshi Murakami, Setsuo Hosogai
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Patent number: 5274025Abstract: This invention relates to a polymer blend comprising water-dissipatable, sulfonate containing, a hydantoin-formaldehyde resin.Type: GrantFiled: February 19, 1993Date of Patent: December 28, 1993Assignee: Eastman Kodak CompanyInventors: Rebecca R. Stockl, Hieu D. Phan, Gary T. Clark
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Patent number: 5271855Abstract: The invention is a processing aid for thermoplastic polyesters which is a salt of a polycarboxylic acid or the salt of a polycarboxylic partial ester. The polycarboxylic acids are partial esters or sales of modified acids such as succinic acid, adipic acid, phthalic acid, citric acid, dicarboxylphenyl group and the like. The addition of the processing aid improves the slip and transparency.Type: GrantFiled: November 2, 1992Date of Patent: December 21, 1993Assignee: Henkel Kommanditgesellschaft auf AktienInventors: Rainer Hoefer, Dieter Krampitz, Andreas Lippmann
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Patent number: 5266657Abstract: A thermosetting powder coating composition having improved optical and weathering properties, such as gloss, orange peel, and Distinctness of Image (DOI), while maintaining other physical properties such as flexibility, durability, solvent and corrosive resistance, which comprises a reactable mixture of a carboxylic acid group-containing polyester, a monocarboxylic acid group-containing material and beta-hydroxyalkylamide curing agent.Type: GrantFiled: May 29, 1991Date of Patent: November 30, 1993Assignee: Rohm and Haas CompanyInventors: David A. Hammerton, Karlheinz Kronberger
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Patent number: 5262236Abstract: Aqueous size compositions for glass fibers including a film former, coupling agent and crystalline pentaerythritol, which are particularly suitable glass fiber reinforcements for filament winding and pultrusion.Type: GrantFiled: September 19, 1991Date of Patent: November 16, 1993Assignee: Owens-Corning Fiberglas Technology Inc.Inventor: Robert C. Brannon
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Patent number: 5252397Abstract: Hot-melt-adhesive conjugate fibers consisting of a fiber-forming component and an adhesive component are provided, with at least one of the fiber-forming component and the adhesive component being a low-melting, modified polyester resin obtained by subjecting to polycondensation, a diol component consisting of 3 to 40 molar % of a 2,2-dialkyl-substituted-1,3-propanediol and 60 to 97 molar % of ethylene glycol and/or 1,4-butanediol, and an aromatic dicarboxylic acid, said low-melting, modified polyester resin having a melting point range between the melting point of polyethylene and a temperature at least 20.degree. C. lower than the melting point of highly crystalline polyethylene terephthalate.Type: GrantFiled: September 16, 1992Date of Patent: October 12, 1993Assignee: Chisso CorporationInventors: Fusao Hanzawa, Takayoshi Nakajima, Masahiro Yokota, Kazuyoshi Kimura, Mamoru Fujita, Seiji Ide
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Patent number: 5252682Abstract: A cationically initiated curable resin system is provided using polyester dicyclopentadiene oligomer blended with monomer having vinyl ether end groups and a cationic initiator. A process for preparing the resin system and a process of coating are also provided.Type: GrantFiled: December 17, 1992Date of Patent: October 12, 1993Assignee: Zircon CorporationInventor: Charles E. Bayha
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Patent number: RE35939Abstract: A polyester resin (A) having branched chain, a reduction viscosity (.eta. sp/c) of not less than 0.7, and a Z average molecular weight (Mz) relative to standard polystyrene of not less than 250.times.10.sup.3 and not more than 800.times.10.sup.3, a polyester resin composition comprised of resin (A) and a polyester resin (B) without branched chain and having a reduction viscosity (.eta. sp/c) of not less than 0.7., and a polyester resin composition comprised of resin (A) and a polyester resin (C) having branched chain and a melting point lower than that of the polyester resin (A). The sealant made from the polyester resin (A), or the resin compositions of the present invention is superior in heat-sealing properties, flavor retention, and film moldability (extrusion processing characteristics), and is suitable for a sealant for paper and plastic food containers.Type: GrantFiled: January 15, 1997Date of Patent: October 27, 1998Assignee: Toyo Boseki Kabushiki KaishaInventors: Kouji Fukuda, Shigeharu Sugihara, Takeshi Kamoto, Keiji Mori, Seiki Nishihara, Katsuya Emoto, Toshikazu Nishiwaki, Hiroshi Takeuchi