Abstract: A coating composition is disclosed comprising:(a) an aqueous medium,(b) an water-dispersible polyurethane resin that is the reaction product of a mixture comprising:(1) a hydroxy-functional polyester component that is the reaction product of a mixture comprising a carboxylic acid component comprising at least two carboxylic acid functional groups, a long-chain aliphatic polyol having 18 to 60 carbon atoms, and a short-chain polyol having 12 or fewer carbon atoms,(2) a multifunctional compound having at least one active hydrogen group and at least one water-stabilizing group,(3) an active hydrogen-containing capping or chain extending agent, and(4) a polyisocyanate, and(c) an aminoplast crosslinking agent.

Abstract: A process for preparing a filler-containing PTFE granular powder, which comprises mixing uniformly a PTFE powder having an average particle size of not more than 100 .mu.m and a (semi-)hydrophilic filler which is surface-treated with an organosilane of the formula: ##STR1## in a two-phase liquid medium comprising water and a water-insoluble organic liquid having a surface tension of not more than 35 dynes/cm at 25.degree. C. Accordingly to the process, the separation of filler can be avoided, and a colorless molded article can be provided.

Abstract: A powder ink having in the structure a heat-fusible core comprising a thermo-melting substance and a coloring matter and a shell covering the core surface and comprising a resin product obtained by reacting:(1) 0 to 30 mole % of a monovalent isocyanate compound and/or a monovalent isothiocyanate compound and(2) 100 to 70 mole % of at least divalent isocyanate and/or at least divalent isothiocyanate compound with(3) 0 to 30 mole % of a compound having an active hydrogen atom to react with the isocyanate and isothiocyanate groups of (1) ana (2) and(4) 100 to 70 mole % of a compound having at least two active hydrogen atoms to react with the isocyanate and isothiocyanate groups of (1) and (2); at a molar ratio of (1) and (2) to (3) and (4) in the range between 1:1 and 1:2. At least 30 percent of all the linkages involved in the isocyanates and the isothiocyanates in the resin product are thermally linkages.

Abstract: An aqueous polymer dispersion containing a vinyl polymer and a nonionic water-dispersible polyurethane having pendent polyoxyethylene chains, the vinyl polymer having been formed by the free radical polymerization of at least one vinyl monomer in the presence of an aqueous dispersion of the polyurethane. The dispersions are useful as coating compositions.

Abstract: A hydrophobically-modified thickener having at least one hydrophilic portion and at least two terminal hydrophobic portions wherein at least one of the hydrophobic portions contains a stable free radical and its preparation are disclosed. The presence of the stable free radical permits analysis by spin-labelling analytical techniques, such as, for example, electron spin resonance.

Abstract: Amine-containing, water dispersible polyurethanes made by the following process: (1) in a reactive diluent such as acrylate, methacrylate, acrylonitrile monomer, low viscosity epoxy compound or epoxy resin, or mixture thereof, using an excess amount of polyisocyanate to react with polyol to form NCO-terminated urethane prepolymer; (2) adding hydroxy alkyl acrylate or hydroxy alkyl methacrylate monomer to react with the prepolymer in step (1) to convert its -NCO end group into alkyl acrylate or alkyl methacrylate end group; and (3) using an excess amount of polyamine to react with the alkyl (meth)acrylate-terminated prepolymer in step (2) and the reactive diluent and the residual hydroxy-containing monomer in step (2), if any. The polyurethane can be mixed with a crosslinking agent having multi-epoxy or blocked polyisocyanate functionalities, to prepare a stable aqueous coating composition.

Abstract: The present invention is directed to a process for the preparation of an aqueous dispersion containing both a blocked polyisocyanate and a polyhydroxyl compound by reacting an aqueously dispersed polyisocyanate having an isocyanate content of at least 12% by weight, based on the weight of the polyisocyanate, with a monofunctional blocking agent which is more reactive with isocyanate groups than water at an equivalent ratio of monofunctional blocking groups to isocyanate groups of 0.5:1 to 2:1 in the presence of a polyhydroxyl compound which is either water soluble or water dispersible, wherein the polyhydroxyl compound is present in an amount which is sufficient to provide an equivalent ratio of hydroxyl groups to blocked isocyanate groups of 0.6:1 to 1.25:1.

Abstract: The invention relates to molding compositions which are stable with respect to alcohol and boiling water. The known molding compositions which are stable to boiling water and comprise amorphous copolyamides have unsatisfactory stability to alcohols. There is therefore a demand to improve molding compositions comprising polyamide in this respect.The invention provides molding compositions based on an amorphous copolyamide prepared from:(A) terephthalic acid and/or isophthalic acid; and(B) 10-70 mol % of decamethylenediamine, 10-80 mol % of trimethylhexamethylenediamine, and10-50 mol % of bis(4-aminocyclohexyl)methane.

Abstract: Novel polyurethane formulations especially useful as coating for the protection of ductile cast iron pipes. The polyurethane is prepared by mixing two components, A and B. Component A comprises castor oil, a low molecular weight polyol having a molecular weight between 76 and about 450, preferably with an elastomer. Component B is a polymeric MDI.

Abstract: A composite of a gel of swollen hydrocolloid dispersed in a pressure sensitive adhesive matrix is provided. The gel has a natural or synthetically derived hydrocolloid swollen with a non-volatile swelling agent, such that the gel may have a shear modulus of less than 6.2.times.10.sup.6 dynes/cm.sup.2. The gel-adhesive composite has continued skin adhesion whether applied to or existing in dry or moist skin conditions. The gel contributes a high moisture vapor transmission rate to attempt to maintain dry skin conditions while the adhesive maintains skin adhesion. The gel-adhesive composite may be used in a variety of tape, dressing, bandage, drape, or other skin contacting usage and may optionally include antimicrobial agents to treat the skin while adhesion continues.

Abstract: A surface finishing composition used for coating therewith a surface of an artificial leather or synthetic resin sheet or a surface of plastic product to provide the surface with the touch of suede, which comprises synthetic resin mainly composed of polyurethane resin, and powdered polyamino acid resin and silica which are dissolved or dispersed in an organic solvent. The finished surface is stronger against scratch, leaves less finger marks and provides better feel and appearance as compared with the prior art.

Abstract: Various novel acetal- and aldehyde-containing monomers are prepared. They can be polymerized and copolymerized by conventional polymerization techniques. The polymers contain repeating units derived from one or more ethylenically or allylically unsaturated monomers containing an acetal group or aldehyde group and optionally one or more repeating units derived from ethylenically or allylically unsaturated monomers other than the acetal-containing or aldehyde-containing monomer such as ethylene, vinyl acetate, ethyl acrylate, butyl acrylate, 2-ethylhexyl acrylate, hydroxyethyl acrylate, hydroxypropyl acrylate, methyl methacrylate or acrylic acid. Aqueous emulsions of polymers containing the acetal-containing monomers and a hydroxy-containing monomer are useful as binders for nonwoven fabrics.

Abstract: A coating composition containing a film-forming organosilane polymer and a sterically dispersed macromolecular polymer having silane functional macromonomer chains which react with the silane functionality of the organosilane polymer. The coating composition can be used as the clearcoat over a conventional pigmented basecoat, or as a basecoat or monocoat or primer when a suitable amount of pigment is incorporated therein. The coating composition provides improved chemical resistance and is not prone to cracking.

Abstract: A coating composition containing a film-forming organosilane polymer and a sterically dispersed macromolecular polymer having macromonomer chains which react with the silane functionality of the organosilane polymer. The coating compositon can be used as the clearcoat over a conventional pigmented basecoat, or as a basecoat or monocoat or primer when a suitable amount of pigment is incorporated therein. The coating composition provides improved chemical resistance and is not prone to cracking.

Abstract: A method for producing a novel evaporable dispersion is disclosed. The dispersion exhibits shelf-storage stability at room temperature for more than 1 year. Such a dispersion, upon evaporation of the evaporable components, is able to form a crosslinked surface coating on a substrate upon curing at room temperature or elevated temperature.

Abstract: Internal mold release compositions for use in preparing molded polymeric products are disclosed which contain (a) a primary or secondary amine, (b) a carboxylic acid or amido carboxylic acid salt of a group II metal or of aluminum, lithium, copper, iron, cobalt or nickel, and optionally (c) a carboxylic acid or amido carboxylic acid.

Abstract: An aqueous electrodeposition lacquer coating composition containing as binder(A) from 95 to 50% by weight of an organic externally crosslinkable synthetic resin binder containing primary and/or secondary hydroxyl groups and primary, secondary and/or tertiary amino groups and(B) from 5 to 50% by weight of a crosslinking agent mixture of(a) blocked isocyanates and(b) transesterifiable crosslinking agents containing more than two ester groups and(c) optionally up to 30% by weight of hydroxyfunctional resins.The invention also relates to the use of this electrodeposition coating composition for coating objects, particularly objects having electrically conductive surfaces.