Abstract: The present invention relates to a poly(imide-siloxane) compound useful as passivation layer for packaging tapeless LOC, which is produced by reacting in a polar solvent a diaminosiloxane compound of the formula(1) wherein R1, R2, R3, R4, R5, R6, R7, R8, R9, and R10 are independently an aromatic group, aliphatic group or halogenated hydrocarbon, hydroxy, or ether group, and m and n are integers such that m+n is an integer of 0˜1000; and a diamine compound of the formula(2) H2N—R—NH2   (2) wherein R is at least one selected from the below groups: with an aromatic tetracarboxylic dianhydride of the formula (3) wherein A is at least one selected from the below groups: wherein the number of moles of the compound (3) is the same as the total number of moles of compounds (1) and (2).

Abstract: Polymer having repeating polycarbonate moieties of the formula (I) (Acr)y(A)(Q)(PC)[(Q)(PC)]x(Q)(A)(Acr)y  (I) wherein (Acr)y(A) is the residue of hydroxyalkyl acrylate or hydroxyalkyl methacrylate having an alkyl moiety, A, and where said alkyl, A, has 2 to 5 carbon atoms and wherein Acr is an acrylate or methacrylate moiety; Q is the residue of one or more organic polyisocyantes which are connected with A via a urethane linkage; PC is the residue of an alkylene diol polycarbonate of the formula (II) HO(ROCOO)nROH  (II) R is one or more (C2 to C10) alkylene or one or more (C6 to C12) aromatic group; y is an integer from 1 to 5; x is from 1 to 20; PC and Q are connected via a urethane group. The acrylate terminate polymers are useful for radiation cured coatings which have superior adhesion and reverse impact strength, especially when applied to plastic substrates.

Abstract: A molding composition comprises from 80 to 99.9 parts by weight of thermoplastic polyester and from 0.1 to 20 parts by weight of a polyamide-polyamine graft copolymer, where the sum of the parts by weight of the polyester and of the graft copolymer is 100. The molding composition has improved flowability.

Abstract: Transparent molding compositions are prepared by blending from 50 to 99 parts by weight of a transparent polyamide, and from 1 to 50 parts by weight of a graft copolymer, such that the sum of the parts by weight of the transparent polyamide and the graft copolymer is 100. The graft copolymer is prepared by reacting from 0.5 to 25% by weight, based on the graft copolymer, of a branched polyamine having at least 4 nitrogen atoms and having a number average molecular weight Mn of at least 146 g/mol, with polyamide-forming monomers selected from the group consisting of lactams, &ohgr;-aminocarboxylic acids, equimolar combinations of diamine and dicarboxylic acid, and combinations thereof.

Abstract: High molecular weight, water-soluble, cross-linked cationic polymers are prepared by reacting amine-functionalized cationic base polymers, in which the monomer units of the base polymer contain from about 0.05 to about 5.0% amine functionalized monomer units and from about 95 to about 99.95% additional monomer units, including cationic monomer units and optional non-cationic monomer units, with an amount of a cross-linking agent, reactive with the amines of the base polymer, providing between about 0.02 to about 3.0 equivalents of cross-linking agent reactive groups per each mole of amine. The polymers are useful as coagulants and as coatings.

Abstract: The invention relates to resin systems useful for imparting dry-strength to paper without substantially increasing the paper's wet-strength wherein the resin system comprises a cationic component and an anionic component. The invention also relates to the process for incorporating these resin systems into paper and the paper produced containing the resin systems.

Abstract: A method for the preparation of a succinimide copolymer by the catalytic co-polymerization of aspartic acid with a selected polyfunctional monomer in the presence of a cyclic carbonate solvent. Succinimide copolymers of relatively high weight average molecular weight and high purity can be produced in relatively high yields while employing a relatively low catalyst loading.

Abstract: Addition-cured polyimides that contain the reaction product of an aromatic triamine or trianhydride analogue thereof, a reactive end group such as 5-norbornene-2, 3-dicarboxylic acid, ester derivatives of 5-norbornene-2,3-dicarboxylic acid, anhydride derivatives of 5-norbornene-2,3-dicarboxylic acid, or 4-phenylethynylphthalic anhydride, an aromatic diamine, and a dialkyl ester of an aromatic tetracarboxylic acid. The resultant starlike polyimides exhibit lower melt flow viscosity than its linear counterparts, providing for improved processability of the polyimide. Also disclosed are methods for the synthesis of these polyimides as well as composite structures formed using these polyimides.

Abstract: An aqueous formulation of a high solid content fully functional thermosettable wet strength resin designed for use in the manufacture of paper products is disclosed. The wet strength resin is the product of reaction of an epihalohydrin and an end-capped polyaminamide polymer. The thermosetting wet strength resins are useful in the manufacture of improved absorbent paper products such as bathroom tissues, facial tissues, napkins, towels, and paperboard products such as dairy cartons and bag paper.

Abstract: Car part made from a polyamide composition wherein the polyamide substantially consists of 60-99 wt. % units derived from aliphatic dicarboxylic acids and diamines and the remaining chain units are derived from cycloaliphatic dicarboxylic acid(s) and an aliphatic diamine or cycloaliphatic diamine(s) and an aliphatic dicarboxylic acid.

Abstract: Compositions suitable for use as dry strength additives comprising water soluble polyamidoamine/epchlorohydrin resin bearing polyol sidechains wherein the weight fraction of the polyol in the resin is less than 50 percent by weight and the polyol sidechain is attached to the polyamidoamine/epichlorohydrin resin by carbon-nitrogen bond, such as amide bond or secondary or tertiary amine bonds.

Abstract: A crystalline olefin base resin composition having a high elastic modulus, a high heat resistance and excellent scratch resistance, and that is useful as a material for car parts and the like is provided. The crystalline olefin base resin composition described above comprises 99 to 40% by weight of the following component (A) and 1 to 60% by weight of the following component (B):(A) a crystalline olefin base resin, and(B) a polymer obtained by vinylene polymerization of cyclic olefin and having a weight-average molecular weight of not less than 1,000 and less than 10,000 and a glass transition point of from 140 to 400.degree. C.

Abstract: The present invention relates to an improved composition of copolymer-1 comprising copolymer-1 substantially free of species having a molecular weight of over 40 kilodaltons.

Abstract: Molecular dispersions of rigid-rod polybenzobisazole polymer/copolymer in thermoplastic matrices in a weight ratio of about 1:99 to 50:50 are prepared by dissolving the rigid-rod polymer in an alcoholic or aprotic solvent, dissolving the thermoplastic polymer in an alcoholic or aprotic solvent, combining the two solutions and recovering the resulting molecular composite from the combined solution. These molecular dispersions consist essentially of rigid-rod polybenzobisazole polymer/copolymer having sulfonic acid groups pendant to the polymer/copolymer backbone and thermoplastic polymers selected from the group consisting of polyvinylpyridines, poly(arylene ether ketone)s with a pyridyl functionality, aromatic poly(pyridine ether)s and poly(pyridine ether sulfone) copolymers, and polyimides with a pyridyl functionality.

Abstract: Molecular dispersions of rigid-rod polybenzobisazole polymer/copolymer in thermosetting matrices in a weight ratio of about 1:99 to 50:50 are prepared by dissolving the rigid-rod polymer in an alcoholic or aprotic solvent, dissolving the thermosetting polymer in an alcoholic or aprotic solvent, combining the two solutions and recovering the resulting molecular composite from the combined solution. These molecular dispersions consist essentially of rigid-rod polybenzobisazole polymer/copolymer having sulfonic acid groups pendant to the polymer/copolymer backbone and thermosetting polymers selected from the group consisting of iminobis(N-propyl-2-phenylethynyl-phthalimide), N-ethyl-(2,6-di-benzocyclobutenoxy)benzylamine, iminobis(N-propylnadic imide) and difunctional benzoxazine monomers of the formula ##STR1## wherein X is a single bond, --CO-- or --C(CH.sub.3).sub.2 -- and Q is --CH.sub.3 or --C.sub.6 H.sub.5.

Abstract: The present invention relates to an improved composition of copolymer-1 comprising copolymer-1 substantially free of species having a molecular weight of over 40 kilodaltons.

Abstract: A process for the continuous production of a thermoplastic molding composition containing a mixture of a TPU and a thermoplastic (co)polymer is disclosed.

Abstract: Crosslinked poly(amino acids) useful as superabsorbent polymers and an improved process for preparing the crosslinked poly(amino acids) is disclosed. Use of polyaziridine and polyepoxide crosslinkers allows the production of superabsorbent polymers that is free of special handling steps required to process hydrogel materials using conventional preparation methods.

Abstract: Curative compositions of amine terminated polyamide resins blended with a deaminated bis-(p-aminocyclohexyl)methane composition (DeAms) are useful for curing adhesive epoxy resin compositions. The polyamides comprise combinations of fatty mono-acids, dimer acids, polyethyleneamines, and piperazine ring containing polyamines which are piperazine or N-aminoalkylpiperazine, where the alkyl chain is a C2 to C6 alkyl chain, wherein the ratio of equivalents of fatty mono-acid to dimer acid can range from about 0.001:1 to about 1:1, the ratio of moles of piperazine ring containing polyamine to polyethylene amine can range from about 0.1:1 to about 1:1, and the ratio of moles of polyamine to equivalents of acid can range from about 0.6:1 to about 1.2:1. DeAms is blended at 2 to 40 wt % based on polyamide. Adhesive compositions comprising these curatives are also disclosed.

Abstract: A method for producing polybenzimidazole (PBI) paste or gel useful in a fuel cell, mixing PBI polymer with a suitable amount of an acid, which permits the polymer to dissolve and form a matrix having a gel-like or paste-like consistency at room temperature.

Abstract: A method for the preparation of a succinimide copolymer by the catalytic co-polymerization of aspartic acid with a selected polyfunctional monomer in the presence of a cyclic carbonate solvent. Succinimide copolymers of relatively high weight average molecular weight and high purity can be produced in relatively high yields while employing a relatively low catalyst loading.

Abstract: An intralinked polyamidoamine which is nonthermosetting and endcapped. This intralinked polyamidoamine is the reaction product of a dicarboxylic acid or dicarboxylic acid derivative, a polyamine, an endcapping agent, and an intralinker.

Abstract: A composition which is a blend of at least two different polyetheramide copolymers, one having predominantly hard polyamide segments and one having predominantly soft polyether segments. When formed into a film and attached to a textile fabric, forms a laminate which is suitable for the production of surgical gowns, and the like. Such films are strong, have good moisture barrier properties while allowing the transmission of air therethrough and have a softness to which provides a clothlike feel.

Abstract: The present invention relates to a polyether polymer having structural units represented by general formula (1), wherein R.sup.1 and R.sup.2 mean individually an alkyl group of 1-20 carbon atoms, which may have at least one hydroxyl group, and Y denotes an alkylene group of 1-10 carbon atoms, which may have a hydroxyl group, a preparation process thereof, and a moisturizer, a cosmetic composition and a detergent composition comprising this polymer. The cosmetic composition and detergent composition are excellent in moisture retention, keep up the moisturizing effect over a long period of time and give users a pleasant feeling.

Abstract: The present invention relates to an improved composition of copolymer-1 comprising copolymer-1 substantially free of species having a molecular weight of over 40 kilodaltons.

Abstract: An intralinked polyamidoamine which is nonthermosetting and endcapped. This intralinked polyamidoamine is the reaction product of a dicarboxylic acid or dicarboxylic acid derivative, a polyamine, an endcapping agent, and an intralinker.

Abstract: Disclosed is a two-step process for making an epichlorohydrin resin involving reacting the epichlorohydrin with a polyamine in a mixture first at a temperature of 25.degree.-40.degree. C. and then heating the mixture at 25.degree.-85.degree. C.

Abstract: Grafted polyamidoamines and grafted polyethyleneimines obtainable by free-radically initiated polymerization of(a) 1-vinylpyrrolidone, 1-vinyltriazole, 1-vinylimidazoles, mixtures of said monomers or mixtures of at least one of said monomers with up to 20% by weight of other monoethylenically unsaturated monomers in the presence of(b) water-soluble or -dispersible polyamidoamines, polyethyleneimines or mixtures thereof in a weight ratio of (a):(b) from 5:95 to 95:5, are useful as dye transfer inhibitors in surfactant-based detergents when included therein in an amount from 0.05 to 10% by weight.

Abstract: A water-soluble drainage-aid composition which is the reaction product of a bifunctional crosslinking agent which may be an epihalohydrin selected from the group consisting of epichlorohydrin or epibromohydrin, a 1,3-dihalo-2-propanol in which "halo" is chloro- or bromo-, or a glycidyl ester of an alkanesulfonic or arenesulfonic acid, and an oligoamide reaction product of a polyalkylene polyamine with a carboxylic acid selected from the group consisting of dicarboxylic acids containing between 5 and 10 carbons and their acyl halides, amides, and esters of alcohols having up to 6 carbon atoms, and tricarboxylic acids containing between 6 and 10 carbon atoms and their acyl halides, amides, and esters of alcohols having up to 6 carbon atoms, with a mole ratio of polyamine to dicarboxylic acid or its functional derivative between 1.

Abstract: Polymers of maleic acid may be prepared by thermally polymerizing malic acid, maleic acid or fumaric acid with less than one equivalent of ammonia. The polymers are modified by the incorporation of amines, carboxylic acids or combinations thereof. The polymers formed are excellent inhibitors of alkaline earth salt deposition, dispersants, tartar control additives, detergent additives, and water treatment agents.

Abstract: Thermomechanical and thermo-oxidative stabilities in heterocycle or heterocycle sulfone resin composites are improved by forming four crosslinks at each addition polymerization site in the backbone of the resin using crosslinking functionalities.

Abstract: A molecular composite material having excellent properties such as mechanical strength, heat resistance, solvent resistance, etc. is produced by dissolving a prepolymer of a rigid aromatic polymer in a monomer of a matrix polymer to form a homogeneous solution and then heating the homogeneous solution to cause a thiazole ring closure reaction of the prepolymer and a polymerization reaction of the monomer.

Abstract: The disclosure describes a multilayer article of manufacture comprising a substrate having adhered to it a terminally unsaturated adhesive polyimide, where the surface of the adhesive opposite the substrate is adhered to a polyimide, the article further characterized in having one set or a plurality of alternating layers of the terminally unsaturated adhesive polyimide and the polyimide. the bonding operation.A novel adhesive polyimide is also described which is an adhesive polyimide such as ODPA-APB terminated with unsaturated heterocyclic monoamines such as azaadenines, aminobenzotriazoles, aminopurines or aminopyrazolopyrimidines and optionally anhydrides, aminoacetylenes, vinylamines or amino phosphines. The novel polyimide may also contain unsaturated heterocyclic groups in the polymer backbone or chain, either as a partial or complete replacement for the aromatic diamines used in synthesizing the polyimide.

Abstract: Copolymers of polyaspartic acid which are suitable for the inhibition of scale deposition were obtained by reacting maleic acid, an additional polycarboxylic acid and ammonia in a stoichiometric excess, at 120.degree.-350.degree. C., preferably 180.degree.-300.degree. C., to provide copolymers of polysuccinimide. In a second embodiment, a polyamine was added to the reaction mix. These intermediate polysuccinimide copolymers could then be converted to the salts of copolymers of polyaspartic acid by hydrolysis with a hydroxide.Such copolymers are useful in preventing deposition of scale from water and find applications in treating water. Other applications include scale prevention additives for detergents. In addition, such copolymers inhibit dental tartar and plaque formation.

Abstract: The invention relates to a composition based on a thermoplastic elastomer comprising polyether sequences in which the amount of matter extractable by ethanol is less than a value sufficient to prevent exudation. Thermoplastic elastomer block copolymer compositions according to the invention comprise polyether blocks and blocks selected from the group consisting of polyamide blocks and polyester blocks, said copolymer compositions incorporating a quantity of terpolymer, selected from the group consisting of ethylene/unsaturated acid ester/unsaturated dicarboxylic acid anhydride terpolymer and ethylene/unsaturated acid ester/unsaturated glycidyl monomer terpolymer, sufficient to prevent exudation of polyamide, polyester, or polyether oligomers or impurities.

Abstract: Copolymers of polyaspartic acid which are suitable for the inhibition of scale deposition were obtained by reacting maleic acid, an additional polycarboxylic acid and ammonia in a stoichiometric excess, at 120.degree.-350.degree. C., preferably 180.degree.-300.degree. C., to provide copolymers of polysuccinimide. In a second embodiment, a polyamine was added to the reaction mix. These intermediate polysuccinimide copolymers could then be converted to the salts of copolymers of polyaspartic acid by hydrolysis with a hydroxide.Such copolymers are useful in preventing deposition of scale from water and find applications in treating water. Other applications include scale prevention additives for detergents. In addition, such copolymers inhibit dental tartar and plaque formation.

Abstract: Higher molecular weight copolymers of polyaspartic acid which are suitable for the inhibition of scale deposition may be obtained by reacting maleic acid and ammonia in a stoichiometric excess, with a diamine or a triamine, at 120.degree.-350.degree. C., preferably 180.degree.-300.degree. C., and then converting the copolymer of polysuccinimide formed to a salt of a copolymer of polyaspartic acid by hydrolysis with a hydroxide.

Abstract: Higher molecular weight copolymers of polyaspartic acid which are suitable for the inhibition of scale deposition may be obtained by reacting maleic acid and ammonia in a stoichiometric excess, with a diamine or a triamine, at 120.degree.-350.degree. C., preferably 180.degree.-300.degree. C., and then converting the copolymer of polysuccinimide formed to a salt of a copolymer of polyaspartic acid by hydrolysis with a hydroxide.

Abstract: Higher molecular weight copolymers of polyaspartic acid which are suitable for the inhibition of scale deposition may be obtained by reacting maleic acid and ammonia in a stoichiometric excess, with a diamine or a triamine, at 120.degree.-350.degree. C., preferably 180.degree.-300.degree. C., and then converting the copolymer of polysuccinimide formed to a salt of a copolymer of polyaspartic acid by hydrolysis with a hydroxide.

Abstract: Alcohol-soluble aromatic heterocyclic copolymers having repeating units of the formula: ##STR1## wherein x has a value of 0.05 to 0.50 and y has a value of 1.0-x. These copolymers are useful in the preparation of organic/inorganic hybrid materials having transparency which comprise the sol-gel derived, hydrolytically condensed reaction product of a metal alkoxide of the formula M(OR).sub.w wherein R is a lower alkyl group, M is Si, Ti, Al or a mixture thereof, and w is the valence value of M, and the above copolymer.

Abstract: Polymers of maleic, fumaric or malic acids or maleic, fumaric or malic acid and ammonia with amino acids are prepared by heating at 180.degree.-350.degree. C., preferably 200.degree.-300.degree. C. The polymer formed may be converted to a salt by hydrolysis with a metal hydroxide or ammonium hydroxide.

Abstract: A polyimide precursor composition solution includes a tetracarboxylic acid component containing not less than 70 mol % of at least one selected from the group consisting of benzenetetracarboxylic acid and its reactive derivatives; a maleimide compound; and a diamine component containing not less than 70 mol % of 2,2'-substituted-4,4'-benzidine represented by the general formula (I) and siloxydiamine amounting to from 1 to 10 mol %. The tetracarboxylic acid component, the maleimide compound and the diamine component are dissolved in a solvent which is consisting essentially of .gamma.-butyrolactone. The amount of the tetracarboxylic acid component is substantially equivalent to that of the diamine component. The amount of the maleimide compound is from 5 to 30 wt % of the total weight of the tetracarboxylic acid and the diamine component.

Abstract: There is disclosed a process for preparing polyaspartic acid by thermal condensation of L-aspartic acid in a novel catalyst which shortens the reaction time and increases the molecular weight of the polymer. The novel catalyst is a catalytically effective methylenephosphonic acid. Typical catalysts are 1-hydroxyethylidene-1,1-diphosphonic acid and aminotris(methylenephosphonic acid). The methylenephosphonic acid is blended with the amino acid in a molar ratio of amino acid to catalyst in the range of from about 1:1 to 40:1.

Abstract: Higher molecular weight copolymers of polyaspartic acid which are suitable for the inhibition of scale deposition may be obtained by reacting maleic acid and ammonia in a stoichiometric excess, with a diamine or a triamine, at 120.degree.-350.degree. C., preferably 180.degree.-300.degree. C., and then converting the copolymer of polysuccinimide formed to a salt of a copolymer of polyaspartic acid by hydrolysis with a hydroxide.

Abstract: Graft copolymers comprising a poly-alpha-olefin base polymer selected from the group consisting of polyethylene, polypropylene, polystyrene, and compatible mixtures thereof, having grafted thereto an olefinic monomer. The grafted monomer is present in an amount effective to increase the amount of protein that will bind to the graft copolymer as compared with the base polymer. Also disclosed are polymer/protein compositions comprising a graft copolymer having a protein immobilized on the surface thereof, processes for the preparation of the above-described graft copolymers and compositions, methods of immobilizing proteins, and methods of immunoassay based on such immobilization.

Abstract: Graft copolymers comprising a poly-alpha-olefin base polymer selected from the group consisting of polyethylene, polypropylene, polystyrene, and compatible mixtures thereof, having grafted thereto an olefinic monomer. The grafted monomer is present in an amount effective to increase the amount of protein that will bind to the graft copolymer as compared with the base polymer.Also disclosed are polymer/protein compositions comprising a graft copolymer having a protein immobilized on the surface thereof, processes for the preparation of the above-described graft copolymers and compositions, methods of immobilizing proteins, and methods of immunoassay based on such immobilization.

Abstract: The new process for the preparation of polycondensates from polyamidoamines, epichlorohydrin and if appropriate polyamines, unreacted epichlorohydrin being removed by passing an inert gas through the reaction mixture, produces salt-free reaction products which have very low organic chlorine contents and at the same time very low values for dichloropropanol, chloropropanediol and epichlorohydrin, and are excellently suitable as auxiliaries for paper and textiles.

Abstract: A method for producing polysuccinimide is provided. Thermal polymerization of fumaramic acid at a temperature of from about 160.degree. C. to about 330.degree. C. produces polysuccinimide. The reaction is optionally conducted in the presence of one or more processing aids, solvents or diluents. The polysuccinimide is particularly useful as a detergent additive.

Abstract: Higher molecular weight copolymers of polyaspartic acid which are suitable for the inhibition of scale deposition may be obtained by reacting maleic acid and ammonia in a stoichiometric excess, with a diamine or a triamine, at 120.degree.-350.degree. C., preferably 180.degree.-300.degree. C., and then converting the copolymer of polysuccinimlde formed to a salt of a copolymer of polyaspartic acid by hydrolysis with a hydroxide.

Abstract: The invention provides a novel poly(aminoamideureylene) resin and a process for making the resin without epichlorohydrin. The resin useful for improving wet strength of paper and paperboard intermediates. The resin is formed by making a prepolymer by reacting a diaminoamine, a dicarboxylic acid, and urea, allylating the prepolymer, and then reacting with hypohalous acid to produce an allylated quaternized poly(aminoamideureylene) having halohydrin substituents with resort to using epichlorohydrin. The resin can be activated for use in a papermaking process by treatment with a caustic (alkaline) agent. Optionally, the resin can be cross-linked prior to activation by heating in the presence of a caustic agent.The invention also provides an improvement in making polymers having halohydrin substituents formed by reacting an allylated polymer with hypohalous acid wherein the reaction is conducted without control of the pH.