Matches 301 - 350 out of 468 < 1 2 3 4 5 6 7 8 9 10 >
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4740539 Flexible two-component epoxy structural adhesives  
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,...
4740568 Triazolinethione-containing polymer  
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...
4727098 Modified epoxy resins and process for producing same  
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...
4724252 Polyamines and a process for their production from polyisocyanates  
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...
4720518 Coatings which are abrasion resistant  
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--)...
4701475 Polyurethanes reinforced with rigid rod micro fillers  
In one aspect, this invention is a polyurethane polymer having dispersed therein elongated particles of a high-melting, rigid polymer in an amount sufficient to measurably increase the tensile...
4666993 Functional polymers and their production  
A functional polymer having a main chain of carbon-carbon bonds and at least one functional group appended to the main chain with intervention of a carbonyliminocarbonyl linkage, the functional...
4657962 Finely divided coating agent containing polymers having hydroxyl groups and blocked polyisocyanates containing at least one acylurethane  
Finely divided coating agents based on (A) oligomers and/or polymers containing OH groups and (B) blocked polyisocyanates and, if required, further conventional additives, in which the component...
4644051 Catalytic reaction of polyol with bis-acyl lactam  
The invention concerns a simple process for preparing an ester acyllactam and/or esteramide acyllactam by the catalytic condensation of imide and alcohol, characterized in that a polyol and an...
4631320 Coating compositions containing polyurethane or polyurea polymers and amino resins  
A thermosettable coating composition comprises a hydroxy group-containing polyurethane, polyurea or polyurethane/polyurea polymer, an amino cross-linker and optionally, a catalyst and/or solvent....
4617353 Electrically conductive polymer blend  
A chemical process is provided for forming an electrically conductive polymer blend in which polypyrrole is a minor component. The polypyrrole is formed from a pyrrole monomer, optionally...
4608416 Heat-curable surface-coating agents, and their use  
Heat-curable surface-coating agents useful not only for application as solvent-containing finishes and for powder coating but also, in their protonated form, for cathodic electrocoating contain, as...
4604412 Stable polymer emulsion composition capable of giving a thromboresistant surface, and process for production thereof  
A stable polymer emulsion composition capable of giving a thromboresistant surface, said composition comprising polyurethane, a polydiorganosiloxane, and a cyclic ether, said polydiorganosiloxane...
4602080 Organic salts of polyisocyanate derivatives and the preparation thereof  
This invention relates to new salts of organic polyisocyanates containing at least one isocyanurate ring carrying a negative charge and at least one non-metal ion having a positive charge, these...
4565843 Lacquer solutions based on hydantoin group-containing polymers  
This invention relates to new wire lacquers based on hydantoin group-containing polymers.
4565645 Single-stage process for the production of polyamines and polyamines produced by such process  
Polyamines containing from 0.19 to 20.3 wt % primary amino groups are produced by hydrolyzing in a single stage an isocyanate with an excess of water, a relatively weak basic compound and a...
4562227 Heat-hardenable reaction resin mixtures comprising polyfunctional epoxide, polyisocyanate prepolymer and a reaction accelerator which is either a tertiary amine or an imidazole  
The invention relates to heat-hardenable reaction resin mixtures which contain polyfunctional epoxides, polyfunctional isocyanates and a reaction accelerator as well as, optionally containing...
4555536 Anti-corrosive coating composition  
An anti-corrosive polyurethane coating composition which has excellent anti-corrosive property, water resistance, adhesive property to metals and impact resistance and can be coated thick in one...
4552928 Di- and triphenylated cation radical polymers and their use as Diels-Alder catalysts  
A regenerative catalyst composition is provided comprising polymer supported covalently bound di- or triphenylated cation radical salts, wherein the cation radical is a Group VA element and the...
4539345 Moisture-curable polyurethane composition  
One-part moisture-curable polyurethane adhesive, coating, sealant, or casting compositions containing a blend of isocyanate-functional prepolymer, terpene-phenolic resin, and silane compound. The...
4525534 Polyamines and a single-stage process for the production thereof  
Polyamines containing aromatic and/or aliphatic primary amino groups are produced by hydrolyzing an isocyanate compound in the presence of water, an insoluble basic compound as a catalyst and a...
4521564 Covalent bonded antithrombogenic polyurethane material  
Antithrombogenic polyurethane polymers having the antithrombogenic material covalently bound to the polyurethane.
4515923 Polyamines and a process for their production  
Polyamines containing aromatically bound primary amino groups having an NH 2 -content of from 0.19 to 20.3 wt % are produced by a single stage process. A compound containing aromatically bound...
4513124 Preparation of a copolymer polyahl using an addition polymerizable adduct of a polymeric monoahl and an ethylenically unsaturated coreactant  
An adduct of a monoahl, e.g., a monohydroxyl polyalkylene oxide, and an active ethylenically unsaturated coreactant monomer, methacryloyl chloride, is usefully employed in the preparation of stable...
4500675 Stable dispersions of polymers in polyfunctional compounds having a plurality of active hydrogens  
A stable copolymer dispersion is prepared by addition copolymerization of (1) a monomeric adduct of an active hydrogen compound, e.g., a polyether polyol or polyether monool, and an ethylenically...
4491653 Controlled surface-fluorination process  
Disclosed is a method for fluorinating the surface of a polymeric solid for improving a surface property of such solid while substantially maintaining the bulk physical properties of said solid....
4487883 One-part moisture cured aminosiloxanes  
A composition consisting essentially of (A) a polymer having at least one nitrogen-hydrogen bond; and (B) a readily hydrolyzable, anhydrous additive selected from the group consisting of...
4480084 Polymeric light stabilizers  
This invention is directed to polymeric compounds which contain the polyalkylpiperidine radical and at least two primary hydroxyl groups. These compounds are useful as light stabilizers for...
4451621 Heat resistant resin composition comprising modified polyamide-imide resin having carboxyl groups  
A heat resistant resin composition comprising a, polyamide imide resin having carboxyl groups and modified with an N-methylolated methacryl- or acryl- amide compound and, when desired, further with...
4431758 Heat resistant resin composition comprising reaction product of polyamideimide resin, alcohol and acid component.  
A heat resistant resin produced by reacting (A) a polyamideimide resin with (B) an alcohol component and (C) an acid component with heating is soluble in a cresol type solvent and gives coatings...
4414366 Low color compositions comprising a cross-linked polycyanurate polymer and a thermoplastic polymer  
Purified aromatic dicyanates are cured with a catalyst which is an Mn(II), Ag(II), Fe(III), Bi(III), In(III) or Hf(IV) salt at 150°-200° C. and then at 200°-300° C. for a time sufficient to...
4395528 Catalyst composition and curable polymer compositions containing same  
A portion of the tin compounds conventionally employed to cure polymer compositions containing hydroxyl and isocyanate groups can be replaced by salts or chelated coordination complexes of divalent...
4394491 Addition polymerizable adduct of a polymeric monoahl and an unsaturated isocyanate  
An adduct of a monoahl, e.g., a monohydroxyl polyalkylene oxide, and an active ethylenically unsaturated isocyanate, e.g., 2-isocyanatoethyl methacrylate, is usefully employed in the preparation of...
4387192 Heat resistant polyamide-imide resin from polycarboxylic acid-polyisocyanate modified with unsaturated monomer  
A heat resistant resin composition comprising a polyamide imide resin having carboxyl groups and modified with an N-methylolated methacryl- or acryl-amide compound and, when desired, further with a...
4381380 Thermoplastic polyurethane article treated with iodine for antibacterial use  
There is provided a polymeric bacteriocidal composition comprising a thermoplastic, partially cross-linked polyurethane having --NH--(CO)--O-- urethane linkages and/or urea linkages...
4376848 Water dilutable cathodic depositable resinous binder production and use  
The invention provides nitrogen-containing basic binders having tertiary amino groups. They are produced from compounds or resins having at least one secondary amino group through reaction with a...
4373059 Pre-condensed, thermosetting aqueous varnish coating agent and its utilization for cathodic deposition upon electrically conducting surfaces  
The invention concerns a pre-condensed, thermosetting aqueous lacquer coating material containing a pre-condensation product that becomes water-dilutable after protonization with acids and has a...
4369302 Curable resin composition comprising cyanate ester and polyisocyanate  
A curable resin composition comprising a mixture and/or a preliminary reaction product of (a) at least one cyanate compound selected from the group consisting of polyfunctional cyanate esters,...
4342847 Process for the production of thermoplastic synthetic materials  
The instant invention is directed to a continuous process for the production of thermoplastic materials, comprising: I. introducing 4 to 65 parts by weight of thermoplastic polymer into an...
4337184 Urethane rheology modifiers substantially free of terminal hydrophobic groups and compositions containing same  
Rheology modifiers useful in water-based and organic solvent-based compositions are derived from the reaction of polyalkylene oxide, polyfunctional material, diisocyanate and little or no water....
4335231 Sulfur curable millable polyurethane gum  
Elastomeric, sulfur curable millable gum based on polyester/polyether, diisocyanate, unsaturated glycol, diamine and optionally a shortstop.
4327008 Urethane rheology modifiers and coating compositions containing same  
Rheology modifiers useful in water-based and organic solvent-based compositions are derived from the reaction of polyalkylene oxide, polyfunctional material, diisocyanate, water and a...
4322327 Slow-curing water-curable urethane prepolymer composition  
A novel slow-curing water-curable urethane prepolymer composition obtained by reacting (A) a hydrophilic urethane prepolymer which is a reaction product of a polyisocyanate and a hydrophilic polyol...
4321172 Organic polymers with acylurea repeating units having tertiary amino groups pendant therefrom and cathodic electrocoating of said polymers  
Polymers with acylurea repeating units in their backbones and having tertiary amino groups pendant therefrom are disclosed, as are compositions useful for cathodic electrocoating and methods for...
4317894 Low temperature cure coating compositions  
Coating compositions consist essentially of (a) ethylenically unsaturated monomers, (b) polyol-containing curable resins, (c) resins having ethylenic unsaturation and (d) solvent. The compositions...
4316974 Polymers for use in heat resistant photoresist composition and process for preparing the same  
An organic polar solvent-soluble aromatic polyamide-imide having therein aromatic nuclei linked at their respective 1 - and 3 - positions and having therein amide linkages and terminal groups...
4311800 Process for working up cross-linked isocyanate distillation residues containing urea groups and use of the products of the process as starting components for the production of synthetic resins  
This invention relates to the preparation of soluble compounds containing hydroxyalkyl and urethane groups by alcoholysis from highly cross-linked insoluble distillation residues (from the...
4310641 Heat resistant photoresist composition and process for preparing the same  
An organic polar solvent-soluble aromatic polyamide-imide having therein aromatic nuclei linked at their respective 1 - and 3 -positions and having therein amide linkages and terminal groups...
4310646 Self-crosslinking cationic binders and their preparation  
The binders are reaction products of (A) adducts of ammonia or diamines and epoxide compounds with (B) partially or fully blocked diisocyanates or polyisocyanates, with or without (C) diamines or...
4307223 Solid resin prepared by polymerizing by-product tar formed during preparation of resorcinol  
A solid resinous product useful for coatings, adhesives and molding materials which is obtained by polymerizing a by-product tar produced as by-product in manufacturing resorcinol or resorcinol and...
Matches 301 - 350 out of 468 < 1 2 3 4 5 6 7 8 9 10 >