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5230962 |
Etch-resistant finishes with siloxane cross-linking
A coating composition is disclosed comprising an acrylosilane polymer, an acrylic polyol, a polyester urethane or a copolymer thereof, an amino resin crosslinking agent, and a silsesquioxane...
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5223584 |
In situ thermoset molecular composites
The present invention provides a composite material comprised of a matrix polymer and a reinforcing polymer, called a rigid rod polymer, which is well dispersed in the matrix polymer. This material...
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5221788 |
Polyurethane polyol and polyurethane coating composition employing said polyol
A polyurethane polyol obtained by reacting a hydrocarbon diol of the formula (A): HO--R--OH (A) wherein R is a C 7 -20 linear or branched alkylene...
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5219979 |
Polyoxazolidines with a structure containing carbonate groups, procedure for their preparation and use
New polyoxazolidines can be defined with the general formula: ##STR1## where R, R 1 , R 2 and n have the meaning specified in the description. These polyoxazolidines are useful cross-linking...
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5206331 |
Sealant composition comprising moisture curable isocyanurate containing compound
At least some of the isocyanate groups in the cured polyurethane sealant of this invention have the isocyanurate structure. A moisture-curing sealant composition of the invention comprises an...
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5194503 |
Non-isocyanate flexibilizer for coatings
A non-isocyanate flexibilizer additive is provided which finds utility in coating systems such as alkyds, polyesters, acrylic/polyester, alkyd/acrylic, carboxy/epoxy, polyether/urethane,...
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5190804 |
Coated inorganic hardened product
A coating composition, a coated inorganic hardened product having a cured layer formed from the coating composition, and a process for producing the coated hardened product. A coating composition...
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5187201 |
Coating and molding compositions containing alkyl vinyl ether polymers and use thereof as leveling agents or antifoam agents
Coating compositions and molding compositions containing an amount of alkyl vinyl ether polymer which is effective for improving leveling and/or preventing or eliminating foam, and the use of these...
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5187241 |
Isoimide modifications of a polyimide and reaction thereof with nucleophiles
The invention relates to the formation of isoimides from amic acids, especially polyisoimides by a novel process in which polyimides are first converted to polyamic acids and then contacted with an...
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5183864 |
Polyamide blends by reactive processing
Disclosed is a process for the preparation of a thermoplastic polymer blend comprising a first preformed thermoplastic polymer such as a polyester, polycarbonate, ABS graft polymer and the like and...
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5183831 |
Radiation curable composition with high temperature oil resistance
The present invention relates to a radiation curable composition with high temperature oil resistance comprising (1) a(meth)acrylated urethane component comprising (a) the reaction product of...
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5183860 |
Impact resistant moldable polyacetal resin compositions and processes for making same
Moldable polyacetal resin compositions include a polyacetal base resin and an impact resistant effective amount of a thermoplastic polyurethane resin melt-blended therewith. The polyacetal base...
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5162431 |
Polymeric compounds having urethane and sulfonate groups
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...
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5162452 |
Thermocurable compositions
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 formula HS--R 2 -- ...
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H001110 |
Resin compositions
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...
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5159017 |
Crosslinked polymer microparticles and coating composition containing the same
Novel crosslinked polymer microparticles having a mean grain diameter of 0.01 to 10μ, whose polymer carries urea, urethane or amide groups. The invention also provides a coating composition...
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5143987 |
Polyurethane reactive adhesive compounds containing finely dispersed polymers
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...
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5138016 |
Isocyanurate-free oxazolidone compound made from epoxy and a hindered isocyanate compound and a novel catalyst for their production
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...
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5134192 |
Process for activating a polymer surface for covalent bonding for subsequent coating with heparin or the like
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...
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5134205 |
Certain hydroxyalkyl carbamate compounds, homopolymers and copolymers thereof and uses thereof
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...
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5128408 |
Gas-permeable material with excellent compatibility with blood
A gas-permeable material with excellent compatibility with blood comprising polyurethane, polyurethaneurea, or the derivatives thereof is provided. The polyurethane or polyurethaneurea is obtained...
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5124433 |
Nitrogen-containing alkyd resin coating composition
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...
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5115072 |
Reactive resins with terminal and/or pendant vinyl groups
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...
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5102949 |
Ethylenically unsaturated carbamates and coating compositions
Ethylenically unsaturated carbamates are prepared by reaction of unsaturated isocyanates with the hydroxy groups of polyvinyl acetals. The ethylenically unsaturated carbamates either alone or...
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5102961 |
Isocyanate modified blocked sulfonic acid ester as a crosslinking catalyst
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...
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5093462 |
Hydroxy functional epoxidized amino resins
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...
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5093412 |
Macromers for graft polyols and the polyols prepared therefrom
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...
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5089559 |
Fire-retardant organic-phosphorus salts
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...
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5084528 |
Novel ester-modified poly(alkylene carbonate) polyahls
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...
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5081213 |
Heterocyclic thione functional polyurethane polymers and their use in magnetic recording media
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...
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5077360 |
Acrylic sealant composition and methods relating thereto
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...
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5041518 |
Process for the production of polyhydantoins containing amide groups and/or imide groups
Polyhydantoins useful in coating materials, films, adhesives and moldings are prepared by reacting polyfunctional α-aminocarboxylic acids, organic polyiso(thio)cyanates and carboxylic acid...
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5023284 |
Phosphate/epoxy stabilizer for extrudable polyester blends
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,...
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4999408 |
Method of crosslinking resin with carboxyl polycarbonate
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...
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4990556 |
Silicone rubber or gel particles containing mineral oil
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...
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4948862 |
Modified poly(alkylene carbonate) polyahls
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...
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4939210 |
Process for producing parabanic acid ring-containing polymer
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.
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4920173 |
PUR powder paints for matt coatings
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...
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4914163 |
Process for preparing heterocyclic copolymers
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...
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4892913 |
Novel crosslinking components containing biuret groups for cationic paint binders
Crosslinking components for cationic paint binders wherein substituted ureas obtained by reacting beta-hydroxyamines with isocyanate compounds are converted into biuret compounds by further...
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4879164 |
Laminated composite of a rigid polyisocyanurate substrate and metal, plastic, cellulose, glass, ceramic or combinations thereof
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...
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4871828 |
Purification/isolation of isocyanate condensates
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...
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4857581 |
Cationic paint binders comprising the reaction product of substituted ureas, formaldehyde, and phenols
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...
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4855352 |
Process for the production of stable dispersions, the dispersions so produced, and the use thereof in the manufacture of polyurethanes
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...
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4845171 |
Self-crosslinking cationic paint binders containing urea and urethane groups and process of manufacture
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...
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4845170 |
Self-crosslinking cationic paint binders containing urea groups and process of manufacture
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...
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4816542 |
Process for the preparation of coatings from polyurethane single component systems and steam
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...
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4793555 |
Container, method and composition for controlling the release of a volatile liquid from an aqueous mixture
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...
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4788261 |
Polyarylene sulfide resin composition
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...
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4757116 |
Elastomeric fluid compositions, crosslinking in the presence of ambient humidity, suitable for use in sealants
Fluid compositions capable of crosslinking in ambient humidity to form elastomeric products are disclosed, comprising: (A) an elastomeric aliphatic polycarbonate; (B) an organic compound...
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