Abstract: A process for the preparation of a water-soluble polymer suspension, which dissolves rapidly in water, is provided wherein the polymer is prepared froma) 30 to 99.99% by wt. of an alkali, ammonium, or amine salt of acrylic or methacrylic acid or a mixture thereof,b) 0.01 to 5% of a crosslinking monomer having at least two polymerizable double bonds andc) 0 to 69.99% by wt. of one or more hydrophilic comonomers different from a) and b) above,and at least one solvent selected from the group consisting of oligoalkylene oxide compounds of formula I ##STR1## where R=H or CH.sub.3R.sub.1 =H, CH.sub.3 or C.sub.2 H.sub.3n=2, 3 or 4,wherein the suspension contains no more than 0.5% by weight of water, based on the total amount of solvent, to give a thickener which is stable in long term storage and which, upon addition to water, yields a highly viscous, briefly separating, microgel-like solution.

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 butadiene heteropolymer latex is prepared by emulsion polymerizing appropriate monomers in the presence of polyvinyl alcohol and a stabilizing solvent. The butadiene heteropolymer can be a butadiene copolymer or terpolymer prepared from butadiene monomers and comonomers such as .alpha.-haloacrylonitrile and acrylic acid. The butadiene heteropolymer latices can be prepared without problems of coagulation and can be utilized effectively in adhesive compositions without the use of volatile solvents. Adhesive bonds prepared from the butadiene heteropolymer latices also avoid the side effect problems associated with polymers prepared utilizing conventional surfactant-based emulsion polymerization techniques.

Abstract: Addition of minor quantities of mono- or dicarboxylic acids to polyurethane foam formulations which employ polyisocyanate polyaddition polymer polyol dispersions prevents shrinkage and tightness in polyurethane foams prepared therefrom. If acid addition is made directly after dispersion preparation, reduction of polyol viscosity and more rapid stabilization against viscosity change is observed.

Abstract: A water compatible terpolymer for sealing and coating building materials which protects surfaces from environmental staining agents. The terpolymer is created by polymerizing a HEMA:SMA co-polymer with another monomer which contains either free acid or base groups. The resultant terpolymer is water solution after neutralization. Water is then added to bring the solvent level to 40% maximum and the solids level to 8%.

Abstract: The present invention pertains to a process for preparing clusters of infusible, inherently tacky, elastomeric, solvent-insoluble, solvent-dispersible polymeric microparticles by aqueous emulsion polymerization. The invention also pertains to an adhesive comprising the polymeric microparticles and to a repeatedly reusable pressure sensitive sheet material having the elastomeric microparticles coated thereon.

Abstract: The invention provides a stabilizer for an aqueous dispersion of an acrylic polymer that is obtained by successive copolymerization in random order of a monomer mixture A consisting of particular amounts of styrene or methyl styrene, acrylic acid or methacrylic acid, and optionally another comonomer, and a monomer mixture B consisting of particular amounts of styrene or methyl styrene, a (cyclo)alkyl methacrylate having 1-12 carbon atoms in the (cyclo)alkyl group, and optionally another comonomer, in the presence of a particular amount of a polybutadiene having a number average molecular weight of 1500-10000, the carboxylic acid groups from the (meth)acrylic groups being at least partly ionized. The invention also pertains to an aqueous dispersion of an acrylic polymer thus stabilized.

Abstract: An antistatic coating composition comprising: (a) a first organosilane compound having at least one epoxy group and at least one hydrolyzable alkoxy group; (b) a second organosilane compound having no epoxy group and two or more hydrolyzable alkoxy groups; (c) 2 to 20 wt %, based on the total weight of said first and second organosilane compounds, of aluminum dihydrogenphosphate; and (d) 50 to 500 parts by weight, based on the total weight of said first and second organosilane compounds, of an organic solvent for said first and second organosilane compounds.The coating composition has a long pot life to be stably stored for a long period of time, and may be coated on any of usual materials including metallic, inorganic and organic materials to form a cured coating film which is excellent in resistance to heat, durability, water-proof property and resistance to chemicals by heating at a relatively low temperature for a short time.Also provided is an improved process for preparing such a coating composition.

Abstract: The invention provides a process for preparing a polysiloxane-containing resin which comprises copolymerizing a polysiloxane-type macromonomer with a vinyl monomer, characterized in that the polysiloxane-type macromonomer is one prepared by reacting about 70 to about 99.999 mole % of a compound (A) represented by the formula ##STR1## wherein R.sub.1 represents aliphatic hydrocarbon group having 1 to 8 carbon atoms or phenyl group, and R.sub.2, R.sub.3 and R.sub.4 each represent alkoxyl group having 1 to 4 carbon atoms or hydroxyl group with about 30 to about 0.001 mole % of a compound (B) represented by the formula ##STR2## wherein R.sub.5 represents hydrogen atom or methyl group, R.sub.6, R.sub.7 and R.sub.8 each represent hydroxyl group, alkoxyl group having 1 to 4 carbon atoms or aliphatic hydrocarbon group having 1 to 8 carbon atoms with the proviso that R.sub.6, R.sub.7 and R.sub.

Abstract: This invention provides an aqueous organosilicon resin coating composition comprising:(I) an aqueous organosilicon resin which is a condensation product and which contains a quaternary ammonium base, the condensation product being prepared from (i) an organosilicon compound represented by the formulaR.sup.1.sub.a Si(OR.sup.2).sub.4-a (A)wherein R.sup.1 is hydrocarbon group having 1 to 12 carbon atoms, R.sup.2 is hydrocarbon group having 1 to 8 carbon atoms and a is 0, 1 or 2, and/or a low condensate thereof and (ii) an organosilicon compound represented by the formula ##STR1## wherein R.sup.3 is hydrogen atom or methyl group, R.sup.4 is bivalent hydrocarbon group having 1 to 8 carbon atoms and R.sup.2 is as defined above, and/or a low condensate thereof and,(II) an aqueous medium.

Abstract: A process for the production of a fluid polymer polyol containing (a) greater than 30% by weight polymer and/or (b) a poly(acrylonitrile/styrene) copolymer comprising between 65 and 90% by weight polystyrene is provided. By using a peroxydicarbonate catalyst during the process products of improved viscosity and filtrability are produced.

Abstract: Vinyl acetate resin emulsion composition produced by the addition of a water soluble compound having alcoholic OH group during emulsion-polymerization or emulsion-copolymerization reaction to vinyl acetate resin emulsion which is obtained by emulsion-polymerization or emulsion-copolymerization of vinyl acetate under the presence of polyvinyl alcohol.

Abstract: The addition-curable composition of the present invention, because it comprises a special component as component (D), is characterized by an excellent bonding to any of various substrates with which it is in contact during curing. Component (D) is a mixture, or reaction product, of (a) a silicon-free compound which contains at least 1 alcoholic hydroxyl group and at least 1 alkenyl group in each molecule, and (b) an organosilane having in each molecule at least 1 alkoxy group and at least 1 epoxy or methacryloxy or acryloxy group.

Abstract: A method is described for producing dispersions of polyurea and the like in polyols of increased stability by polymerizing an amine and an isocyanate in the presence of an aminoalcohol, typically an aminopolyol, having the following formula: ##STR1## wherein A and A' are individually connective atoms which may be same or different, and are selected from the group consisting of carbon and oxygen or combinations thereof with hydrogen atoms or the like satisfying the valences; B is a member selected from the group consisting of nitrogen, NR, R being alkyl or aryl, or CR', R' being hydrogen, alkyl or aryl; D is a member selected from the group consisting of ##STR2## wherein a has a value of one to four; X is a member selected from the group consisting of OH, NH.sub.

Abstract: An improved process is provided for the preparation of siloxane-oxyalkylene block copolymer surfactant compositions which utilized a hydrosilation reaction with high boiling point polar polyols as the reaction solvent. The reaction solvent need not be removed from the block copolymer, particularly when the block copolymer is used as a surfactant for polyurethane foam formulations. Dipropylene glycol is the preferred polar solvent and when used in the preparation of the surfactants need not be removed when the surfactants are employed in the preparation of urethane foams.

Abstract: A process for the production of a fluid polymer polyol containing (a) greater than 30% by weight polymer and/or (b) a poly(acrylonitrile/styrene) copolymer comprising between 65 and 90% by weight polystyrene is provided. By using a peroxydicarbonate catalyst during the process, products of improved viscosity and filtrability are produced.

Abstract: Aqueous emulsions of crosslinkable polyaddition organopolysiloxane compositions, well adapted for the thin layer coating of flexible substrates to impart water-repellency and nonadherency thereto, comprise a first aqueous emulsion A including end-vinylated polysiloxanes, a vinylated cyclotrisiloxane, a hydroorganodiorganopolysiloxane, a polyvinyl alcohol and a polyalkylene glycol alkyl ether or alkylphenyl ether, and a second aqueous emulsion B which comprises a catalytically effective amount of a platinum group metal catalyst.

Abstract: A microgel dispersion characterized by that an oil-soluble surface active agent is adsorbed or adhered onto a gel consisting of a fine particle substance and a polymer, and said gel is dispersed in a non-aqueous organic solvent.

Abstract: An acrylic resin composition having excellent permanent antistatic properties, which comprises a copolymer of an acrylic monomer comprising predominantly methyl methacrylate with a specific sulfonate and optionally a specific alkylene oxide and/or acidic phosphate, and a method for the production thereof. The acrylic resin composition of the invention shows excellent antistatic properties without losing the excellent properties of methacrylic resin, such as excellent transparency, mechanical properties, heat resistance, etc., and is useful for various utilities, such as preparation of advertising display, lighting fixtures, covers, nameplate, and various decoratings.

Abstract: The present invention is directed to a stable dispersion of a polyurea and/or a polyhydrazodicarbonamide in a relatively high molecular weight hydroxyl-group containing material, which dispersion has a solids content of from 5 to 50 percent by weight and which is obtained by reacting(a) an organic di- and/or polyisocyanate with(b) an amine-functional material comprising an addition product of(1) acrylonitrile and(2) a member selected from the group consisting of(i) hydrazine,(ii) aliphatic di- or polyamines containing at least two primary amino groups,(iii) cycloaliphatic di- or polyamines containing at least two primary amino groups,(iv) araliphatic di- or polyamines containing at least two primary amino groups, and(v) mixtures thereof,the ratio of (1) to (2) being at least one mol of (1) per mol of (2) and at most one mol of (1) for each nitrogen atom contained in (2) per mol of (2),the reaction of component (a) and component (b) being conducted at a temperature of from 30.degree. to 170.degree. C.

Abstract: A thermosetting solvent solution coating composition is disclosed in which a solution copolymer of copolymerized monomers consisting essentially of from 55% to 75% of vinyl acetate, from 15% to 40% of C.sub.2 -C.sub.8 alkyl acrylate or methacrylate, from 3% to 10% of C.sub.2 -C.sub.4 hydroxyalkyl acrylate or methacrylate, and from about 0.5% to about 5% of monoethylenically unsaturated copolymerizable carboxylic acid if formed by copolymerization in organic solvent solution medium consisting essentially of C.sub.1 -C.sub.8 alkoxy C.sub.2 -C.sub.4 alkanol at a solids content of at least about 75% and at an average temperature of from 95.degree. C. to 105.degree. C. at which reflux does not occur. This copolymer is used in admixture with from 8% to 20%, based on the mixture, of polyalkoxymethyl melamine in which a volatile alcohol provides the alkoxy groups.

Abstract: Novel polyols, useful in, for example, reaction injection molding, high resiliency foams and the preparation of polymer/polyols, characterized by the following formula: ##STR1## wherein A and A', which may be the same or different, are connective atoms--carbon, oxygen or combinations thereof with hydrogen atoms or the like satisfying the valences; B is nitrogen (N) or CR, R being hydrogen, alkyl, aryl or the like; Q is 0, CH.sub.2 O, C.sub.2 H.sub.4 O, C.sub.3 H.sub.6 O, or C.sub.4 H.sub.8 O; D is an oxyalkylene or ##STR2## X and X', which may be the same or different, are OH, NH.sub.2 or H; Z is OH; n and d are integers of 0 to 10 and the sum of n and d does not exceed 10; s is 0 or 1, and m is an integer of at least about 16, with the proviso that when B is N and either n or d is zero, X and X' are other than H, provide processing advantages and are highly compatible with low molecular weight extenders such as ethylene glycol.

Abstract: The weatherability of acrylic coatings is enhanced by incorporating into the acrylic polymer hydroxybutyl acrylate or hydroxybutyl methacrylate.

Abstract: A polymeric reaction product, a process for its preparation and a coating composition containing the reaction product as a binder are described. The polymeric reaction product is prepared by the vinyl addition polymerization of a vinyl monomer component of which at least 50 percent by weight is an active hydrogen-containing vinyl monomer in the presence of a polymeric diluent. The rate of polymerization is controlled such that the amount of unreacted vinyl monomer, on the average, does not exceed 10 percent by weight of the total weight of the reaction mixture.

Abstract: Polymer polyols made by reacting a liquid terephthalic polyester polyol with an organic polyisocyanate in the presence of a polyether polyol solvent are described. The liquid terephthalic polyester polyol may be made by reacting residue or scrap polyethylene terephthalate (PET) with an oxyalkylene glycol. The oxyalkylene glycol is preferably either diethylene glycol alone or a mixture of diethylene glycol and at least one other oxyalkylene glycol. The liquid terephthalic polyester polyol is preferably distilled to remove ethylene glycol. The polymer polyols of this invention are useful in the reaction with polyisocyanates to make polyurethane elastomers and flexible foams.

Abstract: There are disclosed herein polyurethane polyols and coating compositions formulated therewith. The polyurethane polyols are prepared by typically reacting low molecular weight polyols in amounts sufficient to produce reaction products containing a significant amount of unreacted starting polyols which can be subsequently removed by means such as vacuum distillation.

Abstract: The present invention provides a room temperature curable polyorganosiloxane composition comprising:(A) 100 parts by weight in total of:(1) a polydiorganosiloxane of the general formula: ##STR1## (2) a silane of the general formula:R.sub.b.sup.3 Si(OR.sup.4).sub.4-b(B) 0.01 to 10 parts by weight of a curing catalyst;(C) 0.5 to 10 parts by weight of a nitrogen-containing silicon compound in which the nitrogen atom is bonded with a silicon atom through one or more carbon atoms and said nitrogen atom is further bonded directly with said silicon atom or another silicon atom; and(D) 0.05 to 50 parts by weight of a polyoxyalkylene chain-containing compound.

Abstract: A dispersion of water soluble or water swellable polymer in water immiscible liquid is made by reverse phase polymerization utilizing a dispersing system comprising a polymerization stabilizer and the resulting dispersion, optionally after dehydration, may be distributed into water utilizing a distributing system. The dispersing system or the distributing system, or both, includes at least one non-ionic compound selected from C.sub.6-12 alkanols, C.sub.4-12 alkylene glycol monoethers and their C.sub.1-4 alkanoates, C.sub.6-12 polyalkylene glycol monoethers and their C.sub.1-4 alkanoates and benzyl alcohol. Novel dispersions are made by reverse phase polymerization and, in particular, include a non-ionic compound selected from C.sub.4-12 alkylene glycol monoethers, their C.sub.1-4 alkanoates and C.sub.6-12 polyalkylene glycol monoethers and their C.sub.1-4 alkanoates. When the polymer is water soluble a solution of it in water can be made by distributing the dispersion into water.

Abstract: Siloxane-polyester compositions comprising (1) a siloxane-polyester copolymer resin (2) one or more solvents for the siloxane-polyester copolymer, (3) a silane wherein one of the groups attached to silicon is an epoxy-substituted organic group, at least two of the remaining valencies of the silicon atom being satisfied by alkoxy or alkoxyalkoxy groups, and (4) a titanium chelate.The presence of (3) and (4) improves the rate of cure of the siloxane-polyester, and the compositions are useful for providing decorative and/or protective coatings on metals, plastics and other substrates.

Abstract: Graft polymer dispersions are prepared by polymerizing aqueous solutions of acrylamide in unsaturation-containing polyols. These dispersions are employed in preparing polyurethane products.

Abstract: 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 unsaturated N-chlorosulfonyl carbamyl compound such as acryloxyethylchlorosulfonylcarbamate or an unsaturated N-chlorocarbonyl carbamyl compound with (2) ethylenically unsaturated monomer(s), e.g., styrene or a mixture thereof with acrylonitrile, while (1) and (2) are dispersed or dissolved in an excess of an active hydrogen polyfunctional compound such as a polyether polyol. The molar ratio of carbamyl moiety to active hydrogen compound is preferably less than about 0.1:1. The resulting dispersion has a controlled particle size and a viscosity such that it is suitably employed in the production of polyurethane foams.

Abstract: A stable dispersion of a polymer in a polyol is prepared by reacting an organic polyisocyanate with a short-chain polyol in a high molecular weight polyol containing a relatively high primary hydroxyl group content, the ratio of the content of primary hydroxyl groups in the short-chain polyol to that in the high molecular weight polyol being at least a critical lower limit of about 3.5. The reaction is further carried out in the presence of a small proportion of water to achieve a reduction in the viscosity of the resulting dispersion. The dispersion is used in preparing high resilience polyurethane foam having desirable physical properties and which is of utility in a wide variety of cushioning applications.

Abstract: The present invention is directed to a polyol blend comprising a polyether polyol having at least two and no more than three hydroxyl groups and from about 5 to about 40 percent by weight based on the total weight of the two components of a dispersion of a polyurea and/or polyhydrazodicarbonamide in an organic compound containing at least one hydroxyl group, the solids content of said blend being from about 1 to about 8 percent by weight. The polyol blend is useful in the production of polyurethane products.

Abstract: Siloxane-polyester compositions comprising (1) a siloxane-polyester copolymer resin (2) a silane wherein one of the groups attached to silicon is an organic group containing at least one amino group, the remaining valencies of the silicon being satisfied by alkoxy, alkoxyalkoxy, methyl or phenyl groups there being present at least two alkoxy or alkoxyalkoxy groups, (3) a solvent for the siloxane-polyester copolymer and (4) a titanium chelate.The presence of (2) and (4) improves the rate of cure of the siloxane-polyester, and the compositions are useful for providing decorative and protective coatings on metals, plastics and other substrates.

Abstract: Stable, substantially acid-free, one package moisture curable alkoxy-terminated organopolysiloxane compositions are provided having a condensation catalyst such as a tin compound and a silicon-free scavenger, such as an organic scavenger, for materials having chemically combined hydroxy radicals.

Abstract: Siloxane-polyester compositions comprising (A) a siloxane-polyester copolymer, (B) a solvent for the siloxane-polyester copolymer, (C) a silane wherein one of the groups attached to silicon contains at least one amino group and (D) a silane having 3 or 4 alkoxy or alkoxyalkoxy groups attached to silicon any remaining groups being hydrocarbon or hydrocarbon ether groups.The compositions may also contain a siloxane condensation catalyst and are useful for coating substrates such as metals and plastics.

Abstract: Paintable, cured polyorganosiloxane sealants are prepared at room temperature from room temperature curable compositions containing a hydroxyl-terminated polyorganosiloxane, an organosilicon compound containing at least two amido groups, aminoxy groups or combinations thereof, per molecule and a substituted alcohol where the substituent is acyloxy, alkoxycarbonyl, cyano, ##STR1## mercapto, or the combination of a carbon-to-carbon triple bond and an ether-type oxygen atom, where each Y and Z are individually selected from the group consisting of hydrogen, hydrocarbyl and halohydrocarbyl.

Abstract: A process is provided for making a liquid composition of a perfluorinated polymer having sulfonic acid or sulfonate groups in a liquid medium by contacting the polymer with a mixture of 25 to 100% by weight of water and 0 to 75% by weight of a second liquid component such as a lower alcohol, e.g., propanol or methanol, at a temperature of at least 180.degree. C. (at least 240.degree. C. when about 90% to 100% water is used), in a closed system. The liquid composition made by this process, or modified liquid products prepared therefrom, are used in coating various substrates, in casting films, and in repairing perfluorinated ion exchange films and membranes. The process is also useful in recovering perfluorinated polymer having sulfonic acid or sulfonate groups from scrap and used articles made of such polymer or containing such polymer as a component part thereof.

Abstract: Elastomeric polyurethanes, e.g. as prepared by reacting diisocyanate-capped, essentially linear polyester or polyether and polyol suitable for cross-linking thereof, are inhibited against undesired hardening in use or storage by including in the polyurethane-forming reactant mixture a plasticizing composition composed of carboxylate having a 200-1,000 molecular weight and at least two monocyclic aryl radicals per molecule and, based on the weight of said carboxylate, 0.1-5% glycol having a 62-500 molecular weight.

Abstract: Polyurethane compositions comprising a polyurethane synthesized by reacting a diol, a specific alicyclic diisocyanate, a specific alicyclic diamine and hydrazine or isophthalic acid dihydrazide in specific proportions and a solvent therefor have good solution stability and, when applied as coating compositions, give coats with good light stability, good surface properties, high softening points and sufficient flexibility at low temperatures.

Abstract: Wire coating formulations are provided by heating a mixture of aromatic dianhydride, water and a monoalkyl glycol ether, followed by the addition of organic diamine. The resulting mixture is a stable wire coating enamel capable of forming flexible wire enamels upon cure.

Abstract: 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 mean molecular weight [M.sub.n ] of 800 to 15,000, obtainable by heating of 55 to 95% by weight, based on the total quantity of the binding agent, of an organic synthetic-resin binder containing primary and/or secondary amino groups which has an amine number of 30 to 150 and 5 to 45% by weight of a crosslinking agent possessing esterified terminal carboxyl groups.The invention moreover concerns the application of this lacquer coating material for cathodic deposition upon electrically conducting surfaces.

Abstract: This invention relates to normally liquid, stable polymer/polyol compositions formed by polymerizing, in the presence of a free radical catalyst, an ethylenically unsaturated monomer or monomers dissolved or dispersed in a polyol mixture including a coupled polyol consisting of the reaction product of a polyol having a functionality in excess of 2 reacted with polyisocyanate in such proportion that the ratio of hydroxyl groups to isocyanato groups is greater than 1. In one embodiment, the coupled polyol is made in situ in the base polyol by addition thereto of the required amount of the polyisocyanate. The novel polymer/polyol compositions are convertible to polyurethane foams and elastomers.

Abstract: 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. The modifiers are characterized by having a branched structure and containing substantially no terminal hydrophobic groups.

Abstract: Stoichiometrically imbalanced solutions of 6FTA and aromatic diamine can be used to prepare laminates and bonded articles having a broad temperature range for consolidation.

Abstract: This invention relates to solutions of polyisocyanate polyaddition products with a solids content of from 5 to 70% by weight ofA. Reaction products of(a) polyisocyanates,(b) hydrazines and/or polyamines and/or dihydrazides and/or ammonia and/or urea and/or low molecular weight polyols,(c) optionally higher molecular weight polyols and(d) optionally formaldehyde inB. polyhydric alcohols having a molecular weight of between 62 and 450.