Polyamide Admixed With Oxyalkylene-containing Polymer Patents (Class 525/927)
-
Patent number: 8067524Abstract: The present invention uses hydrophobically modified polyaminamide with standard wet strength agent to produce a softer and more absorbent paper material. The hydrophobically modified polyaminamide is substantive to cellulosic fibers, thus is able to carry polyethylene glycol esters or ethers, a non-substantive material to cellulosic fiber as stable complexes, into the paper product.Type: GrantFiled: August 29, 2003Date of Patent: November 29, 2011Assignee: Georgia-Pacific Consumer Products LPInventor: Bruce Jerome Kokko
-
Publication number: 20030104218Abstract: This invention relates to blends of nylon homopolymers and copolymers with poly(hydroxyamino ether) polymers. More particularly, there are provided blends of nylon 6 and its copolymers with poly(hydroxyamino ether) which form films having high miscibility, high clarity and good processability.Type: ApplicationFiled: November 21, 2001Publication date: June 5, 2003Inventors: Mingliang L. Tsai, Murali K. Akkapeddi, Clark V. Brown, Darnell C. Worley
-
Publication number: 20030091823Abstract: A method is disclosed for producing a polyamide molding compound which includes the following method steps: addition and dissolving of m-xylylene diamine and dicarboxylic acids, which include adipic acid and aromatic dicarboxylic acids, with water and additives in a dissolving chamber and production of a mixture, the sum of the aromatic dicarboxylic acids added being 2 mol-percent to 15 mol-percent (in relation to the addition of dicarboxylic acids); transfer of the mixture into a reaction vessel and polycondensation of the mixture in this reaction vessel; granulation of the polycondensate; drying of the granulate. This method is distinguished in that the polycondensation is performed at a pressure of at most 10 bar and a temperature of 255° C. to 270° C., the pressure being built up while heating the reaction vessel to 255° C. to 270° C.Type: ApplicationFiled: November 15, 2002Publication date: May 15, 2003Applicant: EMS-CHEMIE AGInventors: Ulrich Presenz, Stephan Schmid, Rosmarie Hartmann, Hans Rudolf Luck
-
Publication number: 20020049285Abstract: Problem to be solved To simply provide an antistatic molded resin article having a low resistivity without using a substantive amount of an electrically conductive additive.Type: ApplicationFiled: July 11, 2001Publication date: April 25, 2002Inventor: Motoji Abe
-
Patent number: 5618893Abstract: Binders for cathodic electrodeposition coatings based on epoxy resin-amine adducts are obtained by incorporation of oxazolidone structures in combination with diamine bridges built up in a specific manner. The modified epoxy resin-amine adducts are used in electro-dipping coatings together with crosslinking components. The stoved coating films have excellent corrosion protection, especially at the edges of workpieces.Type: GrantFiled: March 22, 1991Date of Patent: April 8, 1997Assignee: Vianova Kunstharz, AGInventors: Rudolf Schipfer, Gerhard Schm olzer
-
Patent number: 5574128Abstract: Polyetheresteramides, characterized in that they comprise both of the following repeating entities: ##STR1## in which X represents the residue of a polyamide-diacid oligomer with an Mn of between 300 and 8000, Y represents the residue of a polyetherdiol with an Mn of between 200 and 5000, and Z represents the residue of a polyetherdiamine with an Mn of between 200 and 5000, wherein the proportion by mass of the entities Z resulting from the condensation of the polyetherdiamine with respect to the total amount of the entities resulting from the polyetherdiol and polyetherdiamine, i.e. Z/(Z+Y), is between 1 and 50%. The polyetheresteramides according to the invention can be used as is and are suitable for the production of mouldings, extrudates, films, sheaths, or composite materials such as multi-layer film. They can also be mixed with other polymers and in particular with polyamides.Type: GrantFiled: August 10, 1994Date of Patent: November 12, 1996Assignee: Elf Atochem S.A.Inventors: Didier Judas, Jean-Marc Sage
-
Patent number: 5206308Abstract: Novel oxymethylene graft polymers are obtained by grafting, via Michael addition, an amine functional polymer onto an oxymethylene backbone having pendant acrylate or substituted acrylate ester groups serving as reactive sites for the graft reaction.Type: GrantFiled: March 4, 1991Date of Patent: April 27, 1993Assignee: Hoechst Celanese CorporationInventors: Andrew B. Auerbach, Jerry A. Broussard, Nan L. Yang, James L. Paul
-
Patent number: 4981974Abstract: What is described herein are polymerizable pyrrolidonyl 4,5-unsubstituted oxazoline monomers, homopolymers thereof, and copolymers with other monomers. A preferred polymerizable monomer compound is 2-(1-methyl-2-pyrrolidon-4-yl)-2- oxazoline. The polymers herein have excellent hydrotropic properties thus increasing the water solubility of organic compounds previously considered as water insoluble, and exhibit complexation with water soluble consolutes.Type: GrantFiled: March 19, 1990Date of Patent: January 1, 1991Assignee: GAF Chemicals CorporationInventors: Gary . Dandreaux, Robert B. Login, John J. Merianos, Paul Garelick, Krystyna Plochocka, Max Negrin, Jenn S. Shih
-
Patent number: 4933463Abstract: What is described herein are polymerizable pyrrolidonyl 4,5-unsubstituted oxazoline monomers, homopolymers thereof, and copolymers with other monomers. A preferred polymerizable monomer compound is 2-(1-methyl-2-pyrrolidon-4-yl)-2-oxazoline. The polymers herein have excellent hydrotropic properties thus increasing the water solubility of organic compounds previously considered as water insoluble, and exhibit complexation with water soluble cosolutes.Type: GrantFiled: May 8, 1989Date of Patent: June 12, 1990Assignee: GAF Chemicals CorporationInventors: Gary Dandreaux, Robert B. Login, John J. Merianos, Paul Garelick, Krystyna Plochocka, Max Negrin, Jenn S. Shih
-
Patent number: 4744934Abstract: A process is provided for reducing black speck formation which occurs during melt processing of oxymethylene polymer compositions containing polyamide stabilizers having a melting or softening point below the melting point of the oxymethylene polymer and for simultaneously removing volatile materials from a molten oxymethylene polymer, according to which from about 0.05 to about 5.0 weight percent based on the weight of the oxymethylene polymer of said polyamide stabilizer and from about 0.05 to about 10.0 weight percent, based on the weight of the oxymethylene polymer, of hindered phenol antioxidant is added while the molten polymer is passed through a rotating disk polymer processor having at least three stages; a first devolatilization stage, then a stabilization stage and then a second devolatilization stage. The molten polymer in the first devolatilization stage is maintained at a temperature above its melting point in the temperature range of from about 160.degree. C. to about 220.degree.Type: GrantFiled: February 28, 1986Date of Patent: May 17, 1988Assignee: Hoechst Celanese CorporationInventor: Ronald S. Christy
-
Patent number: 4666995Abstract: The black speck formation which occurs during the compounding and molding of admixtures of oxymethylene polymers and polyamides having a melting or softening point below that of the oxymethylene polymer can be reduced by adding the polyamide to the oxymethylene polymer as a dispersion of the polyamide in a carrier resin which is inert to the oxymethylene polymer and has a melting or softening point below that of the oxymethylene polymer. The polyamide comprises less than about 50 weight percent of the dispersion.Type: GrantFiled: May 15, 1986Date of Patent: May 19, 1987Assignee: Celanese CorporationInventors: Andrew Auerbach, Kavilipalayam Natarajan
-
Patent number: 4429081Abstract: Method for manufacturing polyether ester amides by polycondensing at ordinary or reduced pressure, optionally in the presence of catalysts. A hot melt of:(a) polyamides having carboxyl end groups with polyethers having hydroxyl end groups and amino end groups;(b) polyamides having carboxyl end groups and polyethers having hydroxyl end groups;(c) polyamides having carboxyl end groups with polyethers having amino end groups; or(d) polyamides having amino end groups with polyethers having carboxyl end groups;is treated at temperatures from about 200.degree. to 300.degree. C. and at a water vapor pressure of about 5 to 25 bars with mechanical agitation and after water is removed by decompression the polycondensation of the polyether ester amide is carried out.Type: GrantFiled: June 28, 1982Date of Patent: January 31, 1984Assignee: Chemische Werke Huls AGInventors: Salih Mumcu, Hans J. Panoch
-
Patent number: 4345052Abstract: Method for manufacturing polyether ester amides by polycondensing at ordinary or reduced pressure, optionally in the presence of catalysts. A hot melt of:(a) polyamides having carboxyl end groups with polyethers having hydroxyl end groups and amino end groups;(b) polyamides having carboxyl end groups and polyethers having hydroxyl end groups;(c) polyamides having carboxyl end groups with polyethers having amino end groups; or(d) polyamides having amino end groups with polyethers having carboxyl end groups;is treated at temperatures from about 200.degree. to 300.degree. C. and at a water vapor pressure of about 5 to 25 bars with mechanical agitation and after water is removed by decompression the polycondensation of the polyether ester amide is carried out.Type: GrantFiled: July 10, 1980Date of Patent: August 17, 1982Assignee: Chemische Werke Huls AGInventors: Salih Mumcu, Hans J. Panoch
-
Patent number: 4309518Abstract: Molding compositions comprisingA. 60-97% by weight, based on the weight of the total composition, of a poly(alkylene terephthalate) andB. 3-40% by weight, based on the weight of the total composition, of a polyether ester amide, component A being the condensation product of(1) 80-100 molar percent of terephthalic acid, and(2) 0-20 molar percent of another hydrocarbonaromatic-,cycloalkane- or alkane-dicarboxylic acid of 6-36 C atoms, with(3) 80-100 molar percent of a 1,n-alkanediol of 2-4 C atoms, wherein n is an integer of 2 to 4, and(4) 0-20 molar percent of another alkane- or cycloalkane-diol of 3-12 C atoms, component B being the condensation product of(1) at least one polaymide-forming .omega.Type: GrantFiled: July 25, 1980Date of Patent: January 5, 1982Assignee: Chemische Werke Huels, AktiengesellschaftInventors: Gernot Horlbeck, Salih Mumcu
-
Patent number: 4294944Abstract: Flame-retardant antistatic polymer additives are provided which inhibit the buildup of electrostatic charges upon the addition of such compositions to synthetic polymeric fibers, i.e., polyamide fibers, and at the same time do not contribute to the flammability characteristics of such polymeric fibers. The flame-retardant antistatic polymer compositions are useful in combinations with fibers such as polyamide, polyester, polyurea, polyurethane, polysulfonamide, polyolefin and polyacrylic fibers. The antistatic effect is obtained by the process of coating the fibers or dispersing in or on the fibers up to about 12 percent by weight of a polymer composition which is the reaction product of:(a) a polyoxyalkylene compound or polyester thereof and(b) at least one reactant selected from the group consisting of (1) a diol, (2) a polyester and (3) an aliphatic or aromatic diacid or derivative of (3), wherein at least one said reactant is halogenated.Type: GrantFiled: November 13, 1979Date of Patent: October 13, 1981Assignee: BASF Wyandotte CorporationInventors: David D. Newkirk, Robert B. Login, Basil Thir
-
Patent number: 4238582Abstract: Hydrolysis-resistant copolyether-esteramides according to this invention are terminated, at one chain end, by a hydrocarbon radical and at the other chain end by a hydroxyl group. The sequential linear aliphatic copolyether-esteramides according to the invention are obtained by a polycondensation reaction of linear aliphatic dicarboxylic polyamide oligomers having a molecular weight comprised between 300 and 15,000, with .omega.-.omega.'-dihydroxyl polyoxyalkylene sequences having a molecular weight comprised between 100 and 6000 in the presence of a linear aliphatic monocarboxylic polyamide oligomer having a carboxyl group at one end of the macromolecular chain and a hydrocarbon radical at the other end thereof.Type: GrantFiled: July 5, 1979Date of Patent: December 9, 1980Assignee: Ato ChimieInventors: Gerard Deleens, Bernard Guerin, Claude Poulain