Cycloaliphatic Ring-containing Reactant Patents (Class 528/330)
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Patent number: 5212269Abstract: Processible chromophoric polymers having nonlinear optical properties and wherein the chromophore is present in and is a part of the polymer backbone, including substantially all of the monomer or repeat units, with the dipole moments pointing in the same direction (head-to-tail) along the polymer backbone. Such polymers include phenylene, phenylene vinylene, stilbenylene, phenyl piperdine, and coumarin polymers.Type: GrantFiled: March 25, 1991Date of Patent: May 18, 1993Inventors: John Fischer, Ronald Henry, James Hoover, Geoffrey Lindsay, John Stenger-Smith, Andrew P. Chafin
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Patent number: 5196509Abstract: In one embodiment this invention provides polymalonamide polymers with side chains which exhibit nonlinear optical response.Type: GrantFiled: March 25, 1991Date of Patent: March 23, 1993Assignee: Hoechst Celanese Corp.Inventor: Diane E. Allen
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Patent number: 5194562Abstract: Azole rings, such as oxazole and thiazole rings, can activate an aromatic ring bonded to a leaving group such as a halogen atom so that the aromatic ring will undergo aromatic nucleophilic substitution. The reaction is useful for making ethers, thioethers and amines containing azole rings. In particular, monomers having azole rings, activated aromatic rings with leaving groups and nucleophilic moieties can react under conditions of aromatic nucleophilic displacement to form non-rigid rob PBZ polymers. The non-rigid rod PBZ polymers can be used to form molecular composites with rigid rod PBZ polymers which molecular composites are not substantially phase separated.Type: GrantFiled: January 10, 1992Date of Patent: March 16, 1993Assignee: The Dow Chemical CompanyInventors: Muthiah N. Inbasekaran, Michael J. Mullins
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Patent number: 5194568Abstract: It is advantageous to prepare oligomers of polybenzazole polymers by reaction of AA-PBZ monomer with an excess of BB-PBZ monomer. The resulting oligomer dopes may be stored at a temperature at which they remain pumpable until such time as the dope can be advanced to higher molecular weight by adding additional AA-PBZ monomer. The molecular weight of the polymer may be adjusted by controlling the amount of chain extender and/or chain terminator added to oligomer mixtures as they are advanced to final molecular weight.Type: GrantFiled: October 19, 1990Date of Patent: March 16, 1993Assignee: The Dow Chemical CompanyInventors: Thomas Gregory, Carl W. Hurtig, Harvey D. Ledbetter, Kenneth J. Quackenbush, Steven Rosenberg, Ying H. So
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Patent number: 5177178Abstract: Rigid, amorphous copolyamides which can be produced in a single-stage polycondensation reaction with a high glass transition temperature and low water absorption capacity, based on cycloaliphatic diamines, dimerized fatty acids and aromatic dicarboxylic acids.Type: GrantFiled: July 24, 1991Date of Patent: January 5, 1993Assignee: EMS-Inventa AGInventors: Helmut Thullen, Eduard Schmid
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Patent number: 5177177Abstract: Rigid, amorphous copolyamides, which can be produced in a single-stage polycondensation reaction, having a high glass transition temperature and low water absorption capacity, consisting essentially of cycloaliphatic diamines, dimerized fatty acids, and aromatic dicarboxylic acids, and a method for the manufacture thereof.Type: GrantFiled: July 24, 1991Date of Patent: January 5, 1993Assignee: EMS-Inventa AGInventors: Helmut Thullen, Eduard Schmid
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Patent number: 5162489Abstract: Diamines having a 1,1,3-trimethylphenylindane dicarboxylic moiety linked on both sides to phenylene diamine by an amide bond (PIDA diamines) are disclosed. By reacting these diamines with aromatic difunctional acid derivatives, amorphous polymers having high glass transition temperatures (Tg) can be prepared. If aliphatic diacid derivatives are used the resulting polymers have a lower Tg, but have the advantage of melt-processability. The PIDA-diamines can also be used in the preparation of polyimides, being reacted either with tri-or tetracarboxylic anhydrides or with imide group-containing acid derivatives.Type: GrantFiled: June 4, 1990Date of Patent: November 10, 1992Assignee: Akzo N.V.Inventors: Cornelis R. H. I. De Jonge, Gerrit Hoentjen, Theodorus J. Bouwmans
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Patent number: 5104966Abstract: Novel polyimide based films are disclosed that are resistant to arc tracking and that include aromatic dianhydrides together with aromatic diamines and aliphatic diamines. The compositions contain from 5 to 20 percent by weight of the aliphatic diamine. These compositions maximize the thermal aging capability of the polyimide. The compositions are useful as films and laminates for wire and cable.Type: GrantFiled: June 13, 1989Date of Patent: April 14, 1992Assignee: E. I. Du Pont de Nemours and CompanyInventor: Harris B. David
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Patent number: 5104960Abstract: Azole rings, such as oxazole and thiazole rings, can activate an aromatic ring bonded to a leaving group such as a halogen atom so that the aromatic ring will undergo aromatic nucleophilic substitution. The reaction is useful for making ethers, thioethers and amines containing azole rings. In particular, monomers having azole rings, activated aromatic rings with leaving groups and nucleophilic moieties can react under conditions of aromatic nucleophilic displacement to form non-rigid rod PBZ polymers. The non-rigid rod PBZ polymers can be used to form molecular composites with rigid rod PBZ polymers which molecular composites are not substantially phase separated.Type: GrantFiled: February 22, 1989Date of Patent: April 14, 1992Assignee: The Dow Chemical CompanyInventors: Muthiah N. Inbasekaran, Michael J. Mullins
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Patent number: 5101011Abstract: An aligning agent for liquid crystals containing a polyamino acid having no optical activity.Type: GrantFiled: July 20, 1990Date of Patent: March 31, 1992Assignee: Ajinomoto Co., Inc.Inventors: Naoko Mikami, Takao Sakurai
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Patent number: 5093456Abstract: This invention provides synthetic routes for novel single isomers of monocarbamate diols and their polymerization to provide novel polyesters, polyurethanes, polycarbonates, and the like having pendant carbamate groups on the polymer chain. Devices using some of these novel polymers which demonstrate nonlinear optical activity are also disclosed.Type: GrantFiled: June 14, 1989Date of Patent: March 3, 1992Assignee: Minnesota Mining and Manufacturing CompanyInventors: Smarajit Mitra, Cecil V. Francis
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Patent number: 5059674Abstract: Arylcyclobutenealkyl ethers of hydroxyaryl-substituted 1,6-diaza [4.4] spirodilactams having a hydroxyaryl substituent on each spiro ring nitrogen atom are self-curing upon application of heat to produce cured products of relatively high glass transition temperature having good physical properties.Type: GrantFiled: April 9, 1990Date of Patent: October 22, 1991Assignee: Shell Oil CompanyInventor: Pen C. Wang
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Patent number: 4996292Abstract: Thermally polymerized copolyamino acids are used to make a biologically compatible self-sealing skin.Type: GrantFiled: June 30, 1989Date of Patent: February 26, 1991Inventors: Sidney W. Fox, Peter R. Bahn
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Patent number: 4929715Abstract: An improved process for controlling and reducing the concentration of free carboxyl end groups in condensation polyester melt spun fiber is provided. The difunctional compound, serves to increase the intrinsic viscosity of the fiber. The process comprises admixing and reacting with molten polyester polymer an effective amount of a lactim compound of the formula ##STR1## wherein x and y may be alike or different and represent an integer of 2 to 15; andR.sub.1 and R.sub.2 are independently hydrogen, halogen, nitro, amine, C.sub.1 -C.sub.10 alkyl, C.sub.5 -C.sub.12 cycloalkyl, C.sub.7 -C.sub.9 alkyl aromatic, or C.sub.6 -C.sub.10 aromatic.The lactim reacted polymer is then melt spun to form a fiber.Type: GrantFiled: January 3, 1989Date of Patent: May 29, 1990Assignee: Allied-Signal Inc.Inventors: Yousef Mohajer, Stanley D. Lazarus
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Patent number: 4898896Abstract: A transparent polyamide containing terephthalic acid radicals or radicals of the mixture of terephthalic and isophthalic acids and a cycloaliphatic diamine radical and having the chain formations: ##STR1## in which: y.sub.1 +y.sub.2 is between 10 and 200 with y.sub.1 /(y.sub.1 +y.sub.2)>0.5;m, p, m' and p' are whole numbers equal to or greater than zero, such that: ##EQU1## is between 0.5 and 10, taken statistically over the marcomolecule; Z and Z' are the same or different and are either a polymethylene segment --(CH.sub.2)--.sub.Type: GrantFiled: September 26, 1988Date of Patent: February 6, 1990Assignee: AtochemInventors: Philippe Maj, Philippe Blondel, Daniel Cuzin
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Patent number: 4772678Abstract: Novel liquid crystalline extended chain polymer compositions comprising a high concentration of one or more extended chain homopolymer(s), copolymer(s), or block polymer(s) and certain strong acids are prepared by admixing a high concentration of one or more selected homo- or hetero-bifunctional monomer(s) with or without oxidation protecting atoms or groups and one or more of a substantially non-oxidizing strong acid(s) having a high or low P.sub.2 O.sub.5 content. Such compositions are capable of exhibiting excellent cohesive strength, and are especially suited to the production of high molecular weight ordered polymer fibers by dry-jet wet spinning. These liquid crystalline compositions are capable of being drawn through long air gap distances and spun at exceptionally high spin draw ratios. Fibers, films and other articles formed from these liquid crystalline compositions exhibit exceptionally high physical and heat resistant properties.Type: GrantFiled: August 5, 1985Date of Patent: September 20, 1988Assignee: CommTech International Management CorporationInventors: Joanne R. Sybert, James F. Wolfe, Paul D. Sybert, Blake Wilson
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Patent number: 4758651Abstract: An amorphous, injection-moldable copolyamide comprising linear chains of each of the units having the formulae:(I) --CO--Ar--CO--,(II) --NH--Ar--CO--, and(III) --NH--Ar--CO--,wherein Ar represents one or more optionally substituted arylene radicals selected from the group consisting of(1) para oriented arylene,(2) meta oriented arylene,(3) arylene-X-arylene, wherein X is --C(Y)(H)--, --O--, --S--, --SO.sub.2 -- or --CO--, with Y is H or C.sub.1-43 -alkyl, and(4) arylene-CZZ'-arylene, wherein Z,Z' are alkyl or cycloalkyl,provided that at least one of the units of the formulae (I), (II) or (III) are arylene radicals from more than one of the groups (1), (2), (3) and (4). Said units are preferably present in a molar ratio of 17-41.5% of (I), 17-41.5% of (II) and 17-66% of (III).Type: GrantFiled: February 27, 1987Date of Patent: July 19, 1988Assignee: Akzo NVInventor: Doetze J. Sikkema
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Patent number: 4703103Abstract: Novel compositions comprising a high concentration of one or more extended chain homopolymer, copolymer, or block polymer and certain polyphosphoric acids are prepared under conditions to exercise control of molecular weight as characterized by intrinsic visoscity. Such compositions are optically anisotropic (liquid crystlaline), capable of exhibiting excellent cohesive strength, and are especially suited to the production of high molecular weight ordered polymer fibers by dry-jet wet spinning. These liquid crystalline compositions are capable of being drawn through long air gap distances and spun at excptionally high spin draw ratios. Fibers, films and other articles formed from these liquid crystalline compositions exhibit exceptionally high physical and heat resistant properties.Type: GrantFiled: March 16, 1984Date of Patent: October 27, 1987Assignee: CommTech InternationalInventors: James F. Wolfe, Paul D. Sybert
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Patent number: 4665225Abstract: A C.sub.21 amino acid is disclosed as a useful reactant for preparing polyamide resins.Type: GrantFiled: September 12, 1985Date of Patent: May 12, 1987Assignee: Union Camp CorporationInventor: Charles R. Frihart
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Patent number: 4533693Abstract: Novel compositions comprising a high concentration of one or more extended chain homopolymer, copolymer, or block polymer and certain polyphosphoric acids are prepared. Such compositions are optically anisotropic (liquid crystalline), capable of exhibiting excellent cohesive strength, and are especially suited to the production of high molecular weight ordered polymer fibers by dry-jet wet spinning. These liquid crystalline compositions are capable of being drawn through long air gap distances and spun at exceptionally high spin draw ratios. Fibers, films and other articles formed from these liquid crystalline compositions exhibit exceptionally high physical and heat resistant properties.Type: GrantFiled: September 15, 1983Date of Patent: August 6, 1985Assignee: SRI InternationalInventors: James F. Wolfe, Paul D. Sybert, Joanne R. Sybert
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Patent number: 4525577Abstract: Poly(imide)-containing polymers suitable for use in molding or casting applications are formed by polymerization of an anhydride-containing precursor of the formula ##STR1## wherein Y is a divalent hydrocarbon group or a divalent hydrocarbon group containing oxygen, sulfur, nitrogen, silicon, phosphorus or halogen atoms;R is phenyl or C.sub.1-10 alkyl; andX is an oligomer or polymer-forming reactive moiety with reactive nitrogen-containing polyfunctional comonomers.Type: GrantFiled: April 17, 1984Date of Patent: June 25, 1985Assignee: The Dow Chemical CompanyInventors: Edmund P. Woo, Michael J. Mullins
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Patent number: 4429109Abstract: Polyamides containing as much as 50 mole percent nylon-3 units in at least a partially alternating system and exhibiting high glass transition temperatures (Tg) can be prepared from N,N'-terephthaloyldi-beta-alanine and a diamine, such as bis(p-aminocyclohexyl)methane. Properties of such polyamides can be controlled by choice of the diamine and the preparation temperature without loss of the high Tg. The polyamides of this invention exhibit utility in comfort fiber applications.Type: GrantFiled: September 15, 1982Date of Patent: January 31, 1984Assignee: Standard Oil CompanyInventors: Benedict S. Curatolo, Gerald P. Coffey
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Patent number: 4398012Abstract: This invention is a transparent alcohol resistant, hot water resistant, thermoplastically formable copolymer of (A) 80.4 to 88.8 weight percent epsilon-caprolactam and the remaining (B) 11.2 to 19.6 weight percent of substantially equimolar portions of a moiety derived from (1) a diamine or diisocyanate and (2) a diacid or (c) 11.2 to 19.6 weight percent para amino benzoic acid.Type: GrantFiled: January 19, 1982Date of Patent: August 9, 1983Assignee: Allied CorporationInventors: Robert G. Merrill, Robert A. Lofquist, Gene C. Weedon, John C. Haylock, Ian C. Twilley
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Patent number: 4345066Abstract: Transparent, high molecular-weight copolyamides having high glass transition temperatures, based on:(1) lactams or omega-aminocarboxylic acids;(2) terephthalic acid, isophthalic acid, esters thereof, ester forming derivatives thereof, or mixtures thereof; and(3) mixtures of diamines; the copolyamide consisting of:(A) about 25 to 60 mole % of at least one omega-aminocarboxylic acid having at least 11 C atoms or its lactams;(B) about 40 to 75 mole % of an equivalent mixture of terephthalic acid, isophthalic acid or a mixture thereof, and a diamine mixture of about 80 to 50 mole % referred to the total diamines, of isophorone diamine and correspondingly about 20 to 50 mole % of diamines of the general formula ##STR1## where R.sub.1 and R.sub.2 are hydrogen atoms or alkyl groups having 1 to 4 C atoms and the sum of A+B amounts to 100 mole %.The copolyamides have utility as transparent, impact resistant molded articles.Type: GrantFiled: August 26, 1980Date of Patent: August 17, 1982Assignee: Chemische Werke Huls AGInventor: Jorn Ruter
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Patent number: 4341671Abstract: What are disclosed are melt adhesives comprising a polyesteramide having a slow solidification rate, comprising(A) a dimerized fatty acid having 16-44 carbon atoms; optionally in admixture with a monocarboxylic acid,(B) a member selected from the group consisting of caprolactam and 6-aminocaproic acid, wherein 0.25-5.0 mol of component (B) is employed per mol of carboxyl groups present in component (A).(C) a monoalkanolamine of the formulaHO-R-NH.sub.2,wherein R is linear or branched aliphatic hydrocarbon having 2 to 8 carbon atoms which may be interrupted by oxygen atoms, and(D) a member selected from the group consisting of diprimary, disecondary, and primary-secondary diamines, wherein the equivalence ratio of (C):(D) is between 0.1:0.9 and 0.9:0.1.Type: GrantFiled: October 17, 1980Date of Patent: July 27, 1982Assignee: Schering AGInventors: Manfred Bolze, Manfred Drawert
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Patent number: 4275239Abstract: The partially crystalline polyamides according to the invention are obtained by reacting terephthalic acid, or an amide-forming derivative thereof, with a diamine of the formula ##STR1## in which R.sub.1 and R.sub.2 singly or together are organic radicals. The reaction mixture can also contain up to 30% by weight of other amide-forming substances (aminocarboxylic acids or lactams, or mixtures of dicarboxylic acids and diamines), provided the formation of the partial crystallinity of the resulting polyamides is retained. The polyamides are suitable for producing moulded products of the most varied types. They are particularly applicable for producing filaments and fibres.Type: GrantFiled: February 4, 1980Date of Patent: June 23, 1981Assignee: Ciba-Geigy CorporationInventors: Josef Pfeifer, Heinz Peter
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Patent number: 4248654Abstract: A polyamide copolymer, useful as a melt adhesive especially for textiles, produced from the following monomers1. An unbranched aliphatic dicarboxylic acid with 6-20 C-atoms;2. A diamine mixture consisting of(a) 20-80 mol percent, unbranched aliphatic diamines with 6-20 C-atoms; and(b) 80-20 mol percent branched aliphatic and/or cycloaliphatic diamines;said copolymer having a molecular weight of 2000-40000.Type: GrantFiled: February 4, 1976Date of Patent: February 3, 1981Assignee: Veba-Chemie AktiengesellschaftInventors: Fritz Gude, Siegfried Brandt
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Patent number: 4232145Abstract: Polyamides are described which are useful for injection molding and which are produced by the polycondensation of (a) a diaminodicyclohexane or a diaminodicyclohexylalkane, (b) a polyamide-forming aromatic dicarboxylic acid of more than 9 carbon atoms, and (c) an .omega.-amino-acid, a lactam of more than 9 carbon atoms, or an aliphatic dicarboxylic acid-diamine mixture or salt thereof.Type: GrantFiled: December 18, 1978Date of Patent: November 4, 1980Assignee: Inventa AG fur Forschung und Patentverwertung, ZurichInventors: Eduard Schmid, Wolfgang Griehl
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Patent number: 4225701Abstract: The partially crystalline polyamides according to the invention are obtained by reacting terephthalic acid, or an amide-forming derivative thereof, with a diamine of the formula ##STR1## in which R.sub.1 and R.sub.2 singly or together are organic radicals. The reaction mixture can also contain up to 30% by weight of other amide-forming substances (aminocarboxylic acids or lactams, or mixtures of dicarboxylic acids and diamines), provided the formation of the partial crystallinity of the resulting polyamides is retained. The polyamides are suitable for producing moulded products of the most varied types. They are particularly applicable for producing filaments and fibres.Type: GrantFiled: October 26, 1978Date of Patent: September 30, 1980Assignee: Ciba-Geigy CorporationInventors: Josef Pfeifer, Heinz Peter
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Patent number: 4223127Abstract: Transparent copolyamides obtained by polycondensing a lactam or a corresponding amino acid, an aliphatic and/or aromatic dicarboxylic acid and a mixture of hydrogenated condensation products of aniline and formaldehyde.Type: GrantFiled: July 18, 1978Date of Patent: September 16, 1980Assignee: Bayer AktiengesellschaftInventors: Rolf-Volker Meyer, Rolf Dhein, Hans Rudolph
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Patent number: 4202961Abstract: The transparent polyamides according to the invention are obtained by polycondensation of mixtures of terephthalic acid, or of an amide-forming derivative thereof, and a diamine of the formula I ##STR1## in which R.sub.1 and R.sub.2 are each cycloalkyl which has 4-12 C atoms and which can be substituted by alkyl,(a) with for example 10 to 20% by weight of .epsilon.-aminocaproic acid or caprolactam, or(b) with for example 10 to 20% by weight of an essentially stoichiometric mixture of adipic acid and hexamethylenediamine or of the AH salt.The polycondensation reaction is performed by known methods, preferably by melt condensation. The resulting polyamides are transparent and are resistant to boiling. They show only a slight absorption of water and are stable to hydrolysis. They can be processed for example by the injection-moulding process and by extrusion into the form of moulded articles.Type: GrantFiled: October 26, 1978Date of Patent: May 13, 1980Assignee: Ciba-Geigy CorporationInventor: Josef Pfeifer
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Patent number: 4181793Abstract: Disclosed is a poly(hydrazone-hydrazide) prepared from difunctional acid chlorides and 4-(hydrazonomethyl)benzoic acid hydrazide. The poly(hydrazone-hydrazide) contains repeating units corresponding to the structure: ##STR1## Films of this polymer have unobviously high tensile and tear strengths without the necessity of biaxially orienting the film.Type: GrantFiled: August 7, 1978Date of Patent: January 1, 1980Assignee: Eastman Kodak CompanyInventor: Harry R. Musser
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Patent number: 4119609Abstract: Adducts of epoxy compounds with amino-substituted aromatic carboxylic acids are described. These carboxyl-containing adducts may be cured with conventional epoxy curing agents or solubilized to prepare aqueous coating systems.Type: GrantFiled: March 28, 1977Date of Patent: October 10, 1978Assignee: Shell Oil CompanyInventors: Roy A. Allen, LeRoy W. Scott