Abstract: A polymeric compound is derived from a polyhydric material and has pendant sulphonate groups of the general formula ##STR1## and pendant alkyl urethane groups of the formula ##STR2## where X is an aliphatic, aromatic, carboxylic or heterocyclic group; Y is hydrogen, halogen or an alkyl, aryl, alkoxy, aryloxy or aralkyl group, CO.sub.2.sup.- Z.sup.+, CO.sub.2 R or SO.sub.3.sup.- Z.sup.+ ; Z.sup.+ is a cationic counter ion and R is hydrogen alkyl, alkylene, aryl or aralkyl group.

Abstract: The Thermocurable compositions which contain(A) at least one mercaptoalkyl-containing compound which contains at least two SiC-bonded radicals per molecule of the general formulaHS--R.sup.2 -- (I)where R.sup.2 represents a divalent hydrocarbon radical having from 1 to 8 carbon atom(s) per radical, selected from the group consisting mercaptoalkyl-containing organopolysiloxanes and cocondensates of mercaptoalkyl-containing organosilicon compounds containing groups capable of condensation, and hydroxyl-containing organic compounds,(B) at least one vinyl-containing compound which is compatible with constituent (A) and contains at least two groups per molecule of the general formulaR.sup.4 CH.dbd.CR.sup.3 C(O)O-- (II)where R.sup.3 represents a hydrogen atom or a methyl radical, and R.sup.

Abstract: Novel crosslinked polymer microparticles having a mean grain diameter of 0.01 to 10.mu., whose polymer carries urea, urethane or amide groups. The invention also provides a coating composition containing said crosslinked polymer microparticles, which is excellent in application characteristics and storage stability and is capable of providing a coating with excellent film properties.

Abstract: The present invention is directed to a polyurethane reactive adhesive compound comprising:A) one or more polyisocyanates having an inactivated particle surface,B) at least one isocyanate reactive compound having a molecular weight MG.sub.w greater than 400, andC) finely dispersed polymer particles, wherein the polymer is solid at temperatures below 70.degree. C. and has a molecular weight MG.sub.w of at least 3000.

Abstract: Significant improvements in the utility of oxazolidone and polyoxazolidone compounds and in their manufacture can be achieved using a novel catalyst in the reaction between a hindered isocyanate and an epoxy, forming oxazolidone ring structures. The novel catalyst of the invention promotes the efficient and rapid formation of oxazolidone and polyoxazolidone compounds. The use of hindered isocyanate in the reaction prevents formation of side reaction products such as isocyanate trimer, allophanate and biuret.

Abstract: A dicarbonyl halide preferably a straight-chain-alkyl dicarbonyl dihalide, may be used to activate a substrate surface of preferably polyurethane or polyamide. Optionally, an amine-end blocked polymer may be reacted with the resulting activated surface by reaction between amine and dicarbonyl halide groups. Then, a material to be covalently bonded to said surface, such as heparin, may be reacted with free amine groups bonded to the surface by a carbodiimide process or the like.

Abstract: This invention relates to certain polyamine hydroxyalkyl carbamate monomers, polymers and copolymers thereof and blends of the same with crosslinking film making agents and films thereof deposited on substrates.

Abstract: A gas-permeable material with excellent compatibility with blood comprising polyurethane, polyurethaneurea, or the derivatives thereof is provided. The polyurethane or polyurethaneurea is obtained from a composition that comprises diisocyanate; polysiloxane containing terminal hydroxyl groups; and polyol or polyamine containing at least one tertiary amino gorup. The derivatives of the polyurethane or polyurethaneurea is obtained by the following steps of: converting the tertiary amino groups contained in the polyurethane or the polyurethaneurea to quarternary ammonium groups, and treating the polyurethane or the polyurethaneurea having quarternary ammonium groups with heparin.

Abstract: The invention provides a nitrogen-containing alkyd resin coating composition including a nitrogen-containing alkyd resin prepared by reacting an amine compound containing at least two active hydrogen atoms in the molecule and having or not having one hydroxyl group in the molecule with a polyhydric alcohol and a polybasic acid using or without using a fatty acid, and a crosslinking agent.

Abstract: Saturated and ethylenically unsaturated compounds containing carboxylic, amino or alcohol groups are reacted under mild conditions and in short process times with polycarbodiimides containing free isocyanate units to provide polymers with excellent properties. The unsaturated groups bonded to the polymers are particularly important because these groups provide reactive centers that can be crosslinked, either thermally or in the presence of catalysts that initiate polymerization or by radiation. The polymers can also be crosslinked either alone or by copolymerization with various unsaturated monomers. The resulting crosslinked or cured resins provide excellent properties such as hardness, high elongation, excellent toughness, high heat distortion temperatures and good corrosion resistance.

Abstract: The present invention is directed to a polymeric isocyanate modified epoxy blocked sulfonic acid ester as a catalyst for the crosslinking of polymers having hydroxyl, carboxyl, and amide functional groups with a crosslinking agent and resin compositions containing the same. More particularly, the present invention is directed to a polymeric isocyanate modified epoxy blocked sulfonic acid ester with a molecular weight of about 1000 preferably prepared from a sulfonic acid, an epoxy resin and a mono- or di-isocyanate and resin compositions containing the polymeric isocyanate modified epoxy blocked sulfonic acid ester catalyst. The catalyst when used in the crosslinking or curing of hydroxyl, carboxyl or amide containing polymers with an acid catalyzed amino-formaldehyde crosslinking agent, such as hexamethoxymethylmelamine ("HMMA"), produced polymeric film coatings which have superior hardness, impact resistance, adhesion, improved blister resistance, salt spray characteristics and flexibility.

Abstract: Ethylenically unsaturated carbamates are prepared by reaction of unsaturated isocyanates with the hydroxy groups of polyvinyl acetals. The ethylenically unsaturated carbamates either alone or formulated with unsaturated co-reactants such as (meth)-acryloyl monomers and oligomers, maleates and fumarates provide radiation curable coating compositions.

Abstract: Macromers for use in preparing stable, low viscosity graft polymer polyols of high solids content are disclosed. These macromers are easily made in high yield with short cycle times, and may be used to prepare graft dispersions containing amine based polyols.

Abstract: Hydroxy functional epoxidized amino resins comprising glycidamide groups. The polyglycidamides are produced from alkoxymethyl amino resins by reaction with acrylamide, followed by reaction with a polyol to introduce hydroxy functionality and then the unsaturated groups of the hydroxyfunctional acrylamidomethyl amino resins are epoxidized with an epoxidation agent such as hydrogen peroxide. The polyglycidamides are formulated with epoxy reactants to provide curable epoxy systems.

Abstract: A primer composition usable for steel sheets and plastic sheets in vehicle bodies consists essentially of a component (A) consisting essentially of at least one resin having a glass transition temperature of not higher than -20.degree. C., preferably not lower than -75.degree. C., and an elongation at break of not less than 400% preferably not greater than 900%, at 20.degree. C. and a component (B) consisting essentially of at least one crosslinking resin, the weight ratio of solid content of (A) to (B) being 70-99:30-1.

Abstract: Fire retardant salts of organic-phosphorus acid compounds are produced by mixing and reacting an organic compound with an acidic salt-forming phosphorus compound to produce an organic-phosphorus acidic compound which is then reacted with a salt-forming basic compound. These fire retardant compounds are mixed with plastics to produce fire retardant plastics.

Abstract: Ester-modified poly(alkylene carbonate) polyahls comprising the residues of at least one polyahl, polyalkyleneoxy moieties, poly(alkylene carbonate) moieties, the residues of at least one ester of a carboxylic acid, and a plurality of active hydrogen end group are disclosed. The ester-modified poly(alkylene carbonate) polyahl has a number average molecular weight higher than the number average molecular weight of any known poly(alkylene carbonate) polyahl comprising the same monomeric components. Also disclosed are isocyanate-functional prepolymers of these ester-modified poly(alkylene carbonate) polyahls formed by reactions of the ester-modified poly(alkylene carbonate) polyahls of this invention with excess organic polyisocyanates. Urethane/urea polymers formed by the reactions of the isocyanate-functional prepolymers with polyahls are also disclosed.

Abstract: The invention relates to heterocyclic functional polyurethane polymers and their use in magnetic recording media. The polymer is selected from the group consisting of polyurethane and polyurethane urea wherein the polymer has a heterocyclic group equivalent weight of from about 500 to about 100,000 and wherein the heterocyclic group is derived from compounds selected from the group consisting of ##STR1## tautomers thereof, and mixtures thereof, wherein the heterocyclic group is formed by reacting said heterocyclic compound into said polymer.

Abstract: The present invention relates to a thermosetting resin having high thermal resistance, high strength, flame resistance, and good processability which can be obtained by reacting polycarbodiimide substantially produced form one or more kinds of organic polyisocyanate with crosslinking agents having two or more active hydrogen groups in their molecules, one or more kinds of compounds having epoxy groups in their molecules or compounds capable of accelerating the trimerization reaction of carbodiimide, and production methods thereof.

Abstract: The present invention is directed to a one part, sealant composition preferably comprising a free isocyanate functionalized polyacrylate. The unblocked isocyanate is surprisingly stable even in the presence of a blocked amine curing agent. Upon exposure to ambient conditions, the blocked amine will react with ambient humidity to provide an amine which in turn will react with the polyacrylate isocyanate, thereby curing the sealant and providing exceptional sealant properties. The most preferred blocked amine curative is a ketimine.

Abstract: Ethylenically unsaturated carbamates are prepared by reaction of unsaturated isocyanates with the hydroxy groups of polyvinyl acetals. The ethylenically unsaturated carbamates either alone or formulated with unsaturated co-reactants such as (meth)-acryloyl monomers and oligomers, maleates and fumarates provide radiation curable coating compositions.

Abstract: The invention relates to a method of contacting two components to form a pressure-sensitive adhesive (PSA) construction, wherein the first component comprises a conventional PSA and a hydroxy-functional diorganopolysiloxane and the second component comprises the same PSA and an acyloxysilane. The method provides improved adhesive bond strength over an unmodified PSA construction.

Abstract: Polyhydantoins useful in coating materials, films, adhesives and moldings are prepared by reacting polyfunctional .alpha.-aminocarboxylic acids, organic polyiso(thio)cyanates and carboxylic acid compounds in the presence of a condensed aromatic hydrocarbon at a temperature of 0.degree. to 500.degree. C.

Abstract: Ethylenically unsaturated carbamates prepared by addition of unsaturated isocyanates to the hydroxy groups of polyvinyl acetals are formulated with allylic monomers and optionally unsaturated co-reactants selected from (meth)-acryloyl monomers and oligomers, maleates and fumarates to provide air-dry- and heat-curable coating compositions.

Abstract: This invention is directed to a stabilizer useful to retard transesterification in moldable polymer blends containing polyester(s) during processing of the blends at elevated temperatures, particularly at high temperatures above about 285.degree. C. More particularly, the stabilizer comprises a phosphate-epoxy adduct. The stabilizer may optionally further comprise a reactive functionality component comprising a compound having a imide or oxazoline functionality and/or a hindered phenol component. The invention is also directed to a composition comprising the stabilizer and a particularly defined polymer blend.

Abstract: Polycarbonate resins containing at least one divalent chain unit of the formula: ##STR1## are transitory cross-linkers prepared by thermal degradation of the corresponding acid esters (the ester group being removable under conditions of the degradation by a beta-elimination mechanism). Cross-linked polycarbonate resins exhibit enhanced fire-resistance, especially non-dripping. The cross-linkers are useful to cross-link any resin having a group reactive with a carboxyl group.

Abstract: This invention provides cured silicone rubber or gel particles exhibiting an average size of from 0.1 to 20,000 micrometers and containing from 0.5 to 70 weight percent, based on the weight of the particle, of entrapped mineral oil. When the particles are incorporated into a liquid or solid matrix material the oil is released from the particles into the matrix at a controlled rate and serves as a lubricating agent.

Abstract: Modified poly(alkylene carbonate) polyahls comprising the residue of at least one polyahl, at least one modifier, poly(alkyleneoxy) units, poly(alkylene carbonate) units, and a plurality of active hydrogen end groups are disclosed. The modified polyahls have an average molecular weight higher than any known polyahls containing at least the same weight percent modifier and the same poly(alkyleneoxy) and poly(alkylene carbonate) residues. Also disclosed are isocyanate-functional prepolymer compositions of these modified poly(alkylene carbonate) polyahls, which contain the residue of at least one modified poly(alkylene carbonate) polyahl of this invention and excess organic polyisocyanate units. Urethane/urea polymers formed by the reactions of the isocyanate-functional prepolymers with polyahls are also disclosed.

Abstract: A process for producing a parabanic acid ring-containing polymer, which comprises reacting a polycarbodiimide polymer with oxalyl chloride and then treating the reaction product with water.

Abstract: PUR powder paints with matt surfaces that level well after baking are obtained when polymers containing hydroxyl groups with more than 2 OH groups in the molecule are reacted with blocked polyisocyanate-urea adducts of polyisocyanates and polyamines with an NCO content of 8 to 15 wt. % and a free NCO content of up to 4 wt. %.

Abstract: According to the present invention, heterocyclic copolymers comprising recurring units [A] and [B] having specific structures are obtained by hydrolyzing reaction products of diisocyanate compounds having specific structures with tolidine diisocyanate and hydrogen cyanide.The heterocyclic copolymers thus obtained are excellent in mechanical strength, heat resistance and solvent resistance.

Abstract: Crosslinking components for cationic paint binders wherein substituted ureas obtained by reacting beta-hydroxyamines with isocyanate compounds are converted into biuret compounds by further reaction with isocyanates. The cross-linking components thus obtained, when combined with base resins containing hydroxyl groups and/or primary or secondary amino groups, yield films having an increased hardening capacity and greater resistance to stone chipping.

Abstract: Laminated composites including methods for the preparation thereof comprising forming in combination in a mold at least one layer of a rigid polyisocyanurate by reacting in said mold a reaction mixture of an organic di- or polyisocyanate and a cyclic alkylene carbonate in the presence of a soluble adduct amine-carbonate catalyst, and at least one layer of material selected from metal, plastic, cellulose, glass and ceramic or combinations thereof.

Abstract: Polyisocyanates containing only trace amounts of free aromatic diisocyanates are recovered by purifying and isolating an isocyanate condensate containing free NCO groups from an impure admixture thereof, said isocyanate condensate impure admixture having been prepared by reacting a stoichiometric excess of an aromatic di- or polyisocyanate with a reactant compound containing at least two functional groups which are reactive with NCO groups, and such purification/isolation entailing extracting unreacted excess di- or polyisocyanate from said impure admixture with an inert gas, e.g., carbon dioxide, in either the liquid or supercritical state.

Abstract: Cationic paint binders obtained through reaction of substituted ureas with formaldehyde and phenols are described. The substituted ureas are obtained through reaction of an isocyanate compound carrying at least one free, and optionally also blocked, NCO-group with equivalent quantities of a secondary non-aromatic amine. After partial protonation, the binders are used in water-dilutable paints, particularly in cathodically depositable electrodeposition paints.

Abstract: Stable finely-divided dispersions of polyureas and/or polyhydrazodicarbonamides in a hydroxyl-group-containing material are made by reacting (i) an isocyanate with (ii) a compound selected from polyamines, hydrazines, hydrazides and mixtures thereof in the presence of (iii) a hydroxyl compound selected from polyethers, polyesters, polyester amides, polycarbonates and mixtures thereof and (iv) a catalyst. The catalyst is a compound which catalyzes the reaction of isocyanate groups with hydroxyl groups. The catalyst is used in a quantity of at least 50 parts per million parts of (i), (ii) and (iii). These dispersions are particularly useful in the production of polyurethanes.

Abstract: The present invention relates to a process for the production of stable dispersions of polyureas and/or polyhydrazodicarbonamides in a hydroxyl-group-containing material by reacting an organic di- or polyisocyanate with a composition selected from the group consisting of polyamines containing primary and/or secondary amine groups, hydrazines, hydrazides, and mixtures thereof, in said hydroxyl-group containing material, in the presence of a dispersion stabilizing compound.

Abstract: A process for producing self-crosslinking cationic paint binders, water-dilutable upon protonation, on the basis of urea and urethane group carrying reaction products of modified phenols and monoepoxy compounds as well as with the binders produced according to this process and their use in stoving paints, particularly electrodeposition paints are described. The process is characterized in that a substituted urea-phenol-formaldehyde condensate obtained through reaction of an aminoalkylation product of a phenol, carrying an average of at least one secondary amino group with a semi-blocked diisocyanate, or a substituted urea prepared from a semi-blocked diisocyanate and an amine and further reacted with formaldehyde and a phenol, is reacted with a monoepoxy compound, the free aliphatic hydroxy groups of the reaction product being reacted in a further reaction step with di- or polyisocyanates. The paints formulated with these products, at stoving temperatures of from 150.degree. to 170.degree. C.

Abstract: A process for producing self-crosslinking cationic paint binders, water-dilutable upon protonation, on the basis of urea group carrying reaction products of modified phenols and epoxy resins as well as with the binders produced according to the process and their use in stoving paints, particularly in electrodeposition paints is described. The process is characterized in that either an aminoalkylation product of a phenol and a semi-blocked diisocyanate carrying an average of at least one secondary amino group, or a substituted urea prepared from a semi-blocked diisocyanate and an amine, which is further reacted with formaldehyde and a phenol, are reacted with an epoxy compound. The paints formulated with these products, at stoving temperatures of from 150.degree. to 170.degree. C., give films with excellent corrosion resistance and adhesion.

Abstract: Ester-modified poly(alkylene carbonate) polyahls comprising the residues of at least one polyahl, polyalkyleneoxy moieties, poly(alkylene carbonate) moieties, the residues of at least one ester of a carboxylic acid, and a plurality of active hydrogen end group are disclosed. The ester-modified poly(alkylene carbonate) polyahl has a number average molecular weight higher than the number average molecular weight of any known poly(alkylene carbonate) polyahl comprising the same monomeric components. Also disclosed are isocyanate-functional prepolymers of these ester-modified poly(alkylene carbonate) polyahls formed by reactions of the ester-modified poly(alkylene carbonate) polyahls of this invention with excess organic polyisocyanates. Urethane/urea polymers formed by the reactions of the isocyanate-functional prepolymers with polyahls are also disclosed.

Abstract: The present invention relates to a process for the preparation of coatings by reacting polyurethane single component systems, which preferably contain at least one prepolymer containing NCO groups in bonded form and a latent hardener, whereby the polyurethane single component system is mixed with steam at a temperature from 100.degree. C. to 500.degree. C., and fed under a pressure of 0.5 to 10 bars, and finally sprayed using a general spray method. The coatings so formed cure bubble free independent of the moisture content of the surroundings and without exhibiting coating mass runoff.

Abstract: Films and coatings formed from a specified class of organosiloxane/urethane copolymers are unique by virtue of their high permeability to volatile ingredients in the form of aqueous compositions and their inertness to the ingredients of these compositions. Containers wherein at least a portion of the walls comprise films or coatings formed from these copolymers are used to achieve the controlled release of volatile fragrances and biologically active agents from aqueous compositions confined within the container into the adjacent atmosphere.

Abstract: A polyarylene sulfide resin composition with an improved moldability and heat resistance is provided which comprises (a) 40 to 99% by weight of a polyarylene sulfide resin and (b) 1 to 60% by weight of a polyparabanic acid having the following recurring unit: ##STR1## wherein Z and Z.sup.1 are oxygen atoms or NH group, Z and Z.sup.1 being not simultaneously NH groups, and R is ##STR2## wherein R.sup.1, R.sup.2, R.sup.3, R.sup.4, R.sup.5 and R.sup.6 are hydrogen atoms or methyl groups, and X and X.sup.1 are bonds, CH.sub.2 groups, oxygen atoms, sulfur atoms, SO.sub.

Abstract: Fluid compositions capable of crosslinking in ambient humidity to form elastomeric products are disclosed, comprising:(A) an elastomeric aliphatic polycarbonate;(B) an organic compound containing at least two N.dbd.C< groups, selected from bisketimines, bisketiminoenamines and bisketiminosilazanes;(C) a tertiary amine with stress nitrogen bonded to a ketiminic carbon atom, preferably a bicyclic ketimine.

Abstract: A poly(triazolinethione) is prepared by a process comprising the steps:(a) providing a poly(acylthiosemicarbazide),(b) cyclodehydrating the poly(acylthiosemicarbazide) by subjecting it to an elevated temperature in the presence of an aqueous alkaline solution to form a polyanion of a poly(triazolinethione),(c) treating the polyanion of the poly(triazolinethione) with aqueous acid solution to provide the poly(triazolinethione), and(d) isolating the resulting poly(triazolinethione).

Abstract: A two component structural adhesive which is composed of a mixture of an epoxy component which comprises a polyepoxide and a polyisocyanate and a hardener component which comprises a long chain, flexible polyamine and an epoxy resin homopolymerization catalyst is described.

Abstract: Modified cationic epoxy resins wherein phenols linked through modified urea groups are used to extend the chain of diepoxy resins are described. The modified cationic resins can be formulated as paints which exhibit excellent properties particularly when used for electrodeposition paints.

Abstract: Polyamines containing aromatically bound primary amino groups are prepared in a single stage process by hydrolyzing an isocyanate in the presence of a compound containing an amidine and/or guanidine group and a water-miscible, aprotic-dipolar solvent. This hydrolysis is carried out at from 20.degree. to 210.degree. C. with the reactants being in substantially homogeneous phase. The isocyanate starting material contains aromatically bound NCO groups and has NCO content of from 0.5 to 40 wt. %. The compound containing amidine and/or guanidine groups functions as a catalyst and is used in a quantity of at least 0.001 parts by weight for every 100 parts by weight of isocyanate. The water-miscible solvent is used in a quantity of at least 10 parts by weight for every 100 parts by weight of polyisocyanate. The polyamines thus-produced are particularly useful in the production of polyurethanes.

Abstract: Thermoplastic polymers or resins containing amide groups such as the nylons can readily be brominated or chlorinated in organic solvents to convert the (--NH--) units to (--NBr--) or (--NCl--) units and to form solutions of the N-brominated or N-chlorinated thermoplastic polymers or resins. These N-brominated or N-chlorinated thermoplastic polymer or resin solutions can be blended with silicones (siloxanes) and optionally with at least one finely divided material selected from the group consisting of inorganic and organic fillers and pigments and then can be coated on a cellular or solid rubbery hydrocarbon polymer substrate, such as an EPDM rubber in the form of a weatherstrip or glass run channel, dried and irradiated with ultraviolet light or heated at a temperature and for a period of time sufficient to reform the amide groups and to provide the rubbery substrate with an adherent and abrasion resistant coating which also exhibits a reduced coefficient of friction.

Abstract: Novel thermosetting resin compositions comprise (1) a polyalcohol produced by reduction of a low molecular weight linear alternating polymer of carbon monoxide and at least one ethylenically unsaturated hydrocarbon and (2) a polyfunctional curing agent. The compositions are cured upon application of heat to cured, crosslinked compositions useful as coatings.