Abstract: A stable aqueous polymer emulsion contains an aqueous continuous phase, a dispersed polymeric phase which comprises an acrylic polymer and a polyhydroxyl functional, non-ionic surfactant having a repeating polymer unit in the backbone and containing from 3 to 31 hydroxyl groups wherein the hydroxyl groups on the repeating polymer unit are separated by 4 or more carbon atoms and the surfactant is substantially free of oxyethylene units.

Abstract: A polyurethane polyanhydride oligomer is disclosed as well as a process for its preparation. The process involves the following steps:(a) reacting a hydroxyl functional 2,4-dienoate ester with a polyisocyanate under conditions sufficient to react essentially all of the isocyanate groups to form a polyurethane polyene; and(b) reacting by Diels Alder addition the unsaturated double bonds of the polyurethane polyene with an unsaturated polycarboxylic acid anhydride containing material. Also disclosed is a curable composition containing hydroxyl functional material and the aforedescribed polyurethane polyanhydride oligomer.

Abstract: A stable emulsion polymer is prepared by the emulsion polymerization of a vinyl monomer component in the presence of a base neutralized copolymer having a peak molecular weight not exceeding 50,000 of an olefinically unsaturated material selected from the group consisting of 1-decene, 1-dodecene, undecenylic acid and mixtures thereof and an ethylenically unsaturated anhydride containing material. The emulsion polymer is particularly useful for preparing coating compositions which have excellent physical properties.

Abstract: Aziridine compounds having the following structural formula: ##STR1## wherein R.sub.1 represents an alkylidene group;R.sub.2 represents hydrogen or an alkyl radical;R.sub.3 represents an aromatic hydrocarbon moiety;R.sub.4 represents an alkyl radical;R.sub.5 represents an alkylene radical;R.sub.6 represents hydrogen, an alkyl radical, phenyl or combinations thereof; andX represents oxygen, --S--, NH--, or NR--, wherein R represents an alkyl or phenyl are disclosed. Acrylic polymers containing moieties of at least two such aziridine compounds depending therefrom are also disclosed. The acrylic polymers are relatively non-toxic and have negligible inhalation irritation and are useful in the formulation of coating compositions which harden or cure at low temperatures.

Abstract: Disclosed is an aqueous composition containing a vinyl-type polymer product having hydrolyzable silyl groups which aqueous composition is stable at relatively high solids for such a composition and yet cures at relatively low temperatures upon the evaporation of water. More particularly, disclosed is a stable, aqueous, colloidal silica-free, dispersion or solution containing a solution-polymerized vinyl-type polymer having acid functionality sufficient to provide an acid value of from 5 to 160 and having a hydroxyl value of less than or equal to 10 and sufficient hydrolyzable silyl groups to provide a Si content in the range of from 0.40 to 6.0 percent by weight based on the total weight of the vinyl-type polymer. The vinyl-type polymer is characterized in that a composition consisting of at least 25 percent by weight of the polymer in water remains stable in a closed container for at least 24 hours at a temperature of 48.9 degrees Celsius.

Abstract: Disclosed herein are amido-amine silane resins prepared by reacting an aminosilane with a hydroxy alkyl functional amine and a polyisocyanate or a polyacid or its lower alkyl ester.

Abstract: Carbodiimide compounds having the following structural formula are claimed: ##STR1## Z being selected from the group consisting of the following moieties: ##STR2## wherein R.sub.1 represents an alkylidene radical;R.sub.2 represents hydrogen or an alkyl radical;R.sub.3 represents an alkyl radical, an aromatic hydrocarbon moiety or a cycloaliphatic hydrocarbon moiety or substituted derivatives thereof;R.sub.4 represents an aromatic hydrocarbon moiety;R.sub.5 represents an alkyl radical; andx is an integer ranging from 1 to 6.Polymers containing moieties of at least two such carbodiimide compounds depending therefrom are also claimed and are useful in the formulation of coating compositions which harden or cure at low temperatures.

Abstract: An aqueous polymer emulsion latex is claimed composed of particles comprising a vinyl polymer and a surfactant containing at least one hydrophobic moiety and at least one hydrophilic moiety and also carrying silicon moieties and amido functionalities. Also claimed are coating compositions containing the aqueous polymer emulsion latex, processes for preparing the aqueous polymer emulsion latex wherein ethylenically unsaturated monomers are polymerized in the presence of a surfactant containing a silicon moiety and amido functionality, and substrates carrying a coating composition containing the aqueous polymer emulsion latex.

Abstract: Disclosed is an intumescent curable composition which contains as a resinous binder a flexible polyepoxide resin. The polyepoxide is cured with an appropriate curing agent adapted for the particular resin. An additive component is present which contains a mixture of materials which provide a source of(i) zinc,(ii) boron,(iii) phosphorus, and(iv) an expansion gas upon thermal decomposition. The composition is capable of forming a carbonaceous char upon exposure to heat or flame, with the proviso that the cured, unburned composition has sufficient flexibility that is passes at least 10 continuous cycles of a cold cycle test without cracking. The cold cycle test involves the following steps: the composition is applied at a thickness of 0.5 inch (12.7 millimeters) to a 10 inch (0.0254 meter) section of a 4W13 I-beam having two thermocouples attached to the surface, allowed to cure at ambient temperature for 16 hours, force cured for 5 days at about 60.degree. C. and subjected to the cold cycle test.

Abstract: Carbodiimide compounds having the following structural formula are claimed: ##STR1## Z being selected from the group consisting of the following moieties: ##STR2## wherein R.sub.1 represents an alkylidene radical;R.sub.2 represents hydrogen or an alkyl radical;R.sub.3 represents an alkyl radical, an aromatic hydrocarbon moiety or a cycloaliphatic hydrocarbon moiety or substituted derivatives thereof;R.sub.4 represents an aromatic hydrocarbon moiety;R.sub.5 represents an alkyl radical; andx is an integer ranging from 1 to 6.Polymers containing moieties of at least two such carbodiimide compounds depending therefrom are also claimed and are useful in the formulation of coating compositions which harden or cure at low temperatures.

Abstract: A stable, nonaqueous microparticle dispersion of the polymeric reaction product of reactants containing an aminoplast resin and a hydroxyl containing material is characterized in that less than 20 percent of the polymer microparticles have a mean diameter greater than 5 microns, further characterized in that at a total solids content of 60 percent the Brookfield viscosity is less that 1000 centipoise measured at 50 RPM using a number 3 spindle at 25.degree. C., the polymeric reaction product being prepared from reactants which are substantially free of acrylic polymer in a nonaqueous medium which is inert to the reactants.Stable nonaqueous microparticle dispersions characterized as above can also be prepared by the self condensation of an aminoplast resin.

Abstract: A waterborne coating composition having a total solids content at application of greater than 30 percent, contains pigment and a dispersion of polymeric microparticles in an aqueous medium. The microparticles contain greater than 30 percent by weight based on the microparticles of a substantially hydrophobic polymer which is essentially free of repeating acrylic or vinyl units in the backbone, has a molecular weight greater than 300 and is adapted to be chemically bound into the cured coating composition. The aqueous medium of the microparticle dispersion is substantially free of water soluble polymer.

Abstract: Disclosed is an intumescent curable composition which contains as a resinous binder a flexible polyepoxide resin. The polyepoxide is cured with an appropriate curing agent adapted for the particular resin. An additive component is present which contains a mixture of materials which provide a source of(i) zinc,(ii) boron,(iii) phosphorus, and(iv) an expansion gas upon thermal decomposition. The composition is capable of forming a carbonaceous char upon exposure to heat or flame, with the proviso that the cured, unburned composition has sufficient flexibility that it passes at least 10 continuous cycles of a cold cycle test without cracking. The cold cycle test involves the following steps; the composition is applied at a thickness of 0.5 inch (12.7 millimeters) to a 10 inch (0.254 meter) section of a 4W13 I-beam having two thermocouples attached to the surface, allowed to cure at ambient temperature for 16 hours, force cured for 5 days at about 60.degree. C. an subjected to the cold cycle test.

Abstract: A polyurethane polyanhydride oligomer is disclosed as well as a process for its preparation. The process involves the following steps:(a) reacting a hydroxyl functional 2,4-dienoate ester with a polyisocyanate under conditions sufficient to react essentially all of the isocyanate groups to form a polyurethane polyene; and(b) reacting by Diels Alder addition the unsaturated double bonds of the polyurethane polyene with an unsaturated polycarboxylic acid anhydride containing material. Also disclosed is a curable composition containing a hydroxyl functional material and the aforedescribed polyurethane polyanhydride oligomer.

Abstract: A curable composition contains:(a) a vinyl chloride plastisol,(b) a diene acrylonitrile copolymer containing activated vinyl groups which are capable of undergoing free radical initiated polymerization carried out either by use of heat or ultraviolet light or electron beam in the presence of a free radical initiator and organometallic accelerator combination, and(c) an organometallic accelerator and free radical initiator combination adapted to promote cure of the fusing plastisol composition. The curable composition is characterized in that for every 100 parts of vinyl chloride plastisol there are present from about 9 parts to about 16 parts of diene acrylonitrile copolymer containing activated vinyl groups.The curable composition is especially suitable for use as an adhesive or sealant.

Abstract: A coating composition is disclosed including an acrylic polyol, polyester polyol, a blend of curing agents, e.g., a blocked isocyanate and an aminoplast resin, and a liquid carrier. Optionally, pigmentation can be added, e.g., pigmentation adapted to provide camouflage under military specification MIL-C-46168D.

Abstract: A coating composition, containing a fluoropolymer, a film-forming adjuvant resin which is different from the fluoropolymer and adapted to react with the group represented by F in the functional organosilane of formula I and which is selected from the group consisting of acrylic resins, polyepoxide resins, polyester resins, aminoplast resins and mixtures thereof; and an amount effective to promote adhesion of a functional organosilane represented by formula I: ##STR1## wherein A represents an organo group containing from 1 to 18 carbon atoms,G represents an organo group containing from 2 to 10 carbon atoms,X represents a hydrolyzable group; andb is an integer from 0 to 2, andF represents amino, polyamino, glycidoxy, mercapto, cyano, allyl, vinyl, urethano, halo, isocyanato, ureido, imidazolinyl, acrylato or methacrylato.

Abstract: A one package, stable curable composition contains:(a) a nonfunctional polydiene;(b) a polyepoxide;(c) a sulfur and zinc containing vulcanization system adapted to cure the polydiene and the polyepoxide; and(d) an anhydride containing material effective to promote adhesion of the curable composition to metal, wherein the anhydride containing material remains essentially unreacted with the epoxide and is combined in a manner to obtain dissolution of the anhydride containing material in the epoxide.The aforesaid curable composition is suitable for use as an adhesive or sealant.

Abstract: A high solids coating composition having a total solids content of at least 40 percent contains as a film former a urethane vehicle having a hydroxyl value of at least about 50 and a number average molecular weight of no more than 4,000 which is prepared from reactants containing a hydroxyl functional polyether or polyester or mixtures thereof of a molecular weight less than 1,000 and average functionality not exceeding 3 and at least 10 weight percent based on the total weight of hydroxyl functional polyether or polyester or mixtures thereof and polyisocyanate of a polyisocyanate having isocyanate groups separated by one or more hydrophobic moieties, each moiety containing at least 12 consecutive carbon atoms in a continuous chain; and an aminoplast crosslinking agent.

Abstract: A fluorine containing polymer having a terminal ester group is prepared from the free radical polymerization of an acyclic ketane acetal with a vinyl monomer component including a fluorine containing vinyl monomer.The fluorine containing polymer can be utilized to prepare functional oligomers suitable for many uses including film former and additives for coating applications.