Abstract: Disclosed are curable compositions based on a curable polymeric component containing hydrolyzable alkoxysilyl groups and also containing an oligomeric component which is composed at least in part of units containing hydrolyzable alkoxysilyl groups. The oligomeric component serves both to lower the viscosity of the composition, and to react with the polymeric component during cure, thereby lessening the use of volatile solvents.

Abstract: Polysiloxanes having pendant and/or telechelic carbonyl functionality, i.e., aldehyde functionality .tbd.Si--R--CH.dbd.O or ketone functionality .tbd.Si--R--CR.dbd.O, are manufactured in high yield by ozonolysis of polydiorganosiloxanes containing alkenyl groups, followed by treatment with a reducing agent such as zinc and acetic acid. The process is relatively fast and economical using readily available starting materials such as hexenyl-functional polymers. In particular, aldehyde functionality on the polymer can be used as a polymeric crosslinking agent.

Abstract: Properties of interpolymers of .alpha.-olefin/vinylidene aromatic monomer are enhanced with plasticizers selected from phthalate esters, trimellitate esters, benzoates, aliphatic diesters, epoxy compounds, phosphate esters, glutarates, polymeric plasticizers (polyesters of glycols and aliphatic dicarboxylic acids) and oils. These plasticized interpolymers are useful in a wide range of applications including films, sheet, adhesives, sealants and molded parts.

Abstract: The present invention relates to a rubber composition reinforced with a combination of silica and defined carbon black and to pneumatic tires having treads comprised of such rubber composition. The reinforced rubber composition comprises in one aspect, at least one elastomer, defined carbon black, precipitated silica and at least one silica coupling agent.

Abstract: The invention is a composition formed by the reaction product of (A) at least one polysiloxane selected from the group consisting of(i) R.sub.3 SiO(SiR.sub.2 O).sub.x SiR.sub.3 and (ii) ##STR1## where: has an average value of from 0 to 1000,z has a value of at least 3,R is independently selected from the group consisting of a hydroxyl group, alkoxy group, tri-fluoropropyl group, an alkyl chain of 1 to 4 carbon atoms, a phenyl group, and an amine functional group, with the proviso that at least one R on the polysiloxane is an amine functional group; and(B) at least one acrylate having the formula ##STR2## where R is H or CH.sub.3, n.gtoreq.1 and Q is an organic group.

Abstract: A two-pack, crosslinking aqueous adhesive, which comprises (A) an adhesive component comprising an aqueous liquid of a polymer containing at least one of a halogen atom, a carboxyl group or an ester bond in the backbone chain or side chain of the polymer molecule and (B) a curing component comprising an active silyl compound containing at least one of an amino group or an imino group in the molecule, which has excellent emulsion stability after mixing the components, long pot-life and excellent heat resistance and is suitable for adhesion of materials which require heat resistance such as interior automotive trims.

Abstract: A process for preparing a pigmented vinylidene fluoride polymer based powder coating composition that comprises steps of dispersing at least one pigment in a solution of a fluorine-free polymer that is compatible with the vinylidene fluoride polymer, blending said vinylidene fluoride polymer powder with the pigment dispersion, removal of solvent, milling, and classifying the compound to obtain the desired product.

Abstract: An uncapped polysiloxane composition is provided having the formula: ##STR1## wherein: R is selected from R.sub.2 or --OR.sub.9 wherein R.sub.9 is hydrogen or alkyl;R.sub.1 is selected from R.sub.2, an amine containing group of the formula --(CH.sub.2).sub.n --F.sub.n1 --B.sub.n2 --F--NH.sub.2 functional carboxyl group of the general formula: ##STR2## wherein at least one R.sub.1 is a pyrrolidone-containing functional carboxyl group as shown; R.sub.2 is as defined below; R.sub.5 is hydrogen, alkyl or alkali metal; F is linear or branched alkylene; B is --NR.sub.9, oxygen or sulfur, wherein R.sub.9 is hydrogen or lower alkyl (C.sub.1-6);R.sub.2 can be the same or different and is selected from alkyl, aryl, alkenyl or alkeynyl;R.sub.3 and R.sub.4, are selected from alkyl, aryl, capped or uncapped polyoxyalkylene, alkaryl, aralkylene or alkenyl;a is an integer from 0 to 50,000; andb is an integer from 0 to 100.

Abstract: The present invention relates to binder compositions containingA) 40 to 95 parts by weight of OH-functional graft copolymer resins which are prepared by copolymerizing a mixture containing 0.1 to 10 parts by weight of at least one optionally functional polybutadiene having a molecular weight of 500 to 10,000 and having at least 20% by weight of side-chain 1,2-vinyl double bonds, andB) 5 to 60 parts by weight of a polyfunctional cross-linking resin selected from aminoplast resins and optionally blocked polyisocyanates,wherein the sum of the parts by weight of components A) and B) add up to 100, based on the weight of components A) and B).The present invention also relates to the use of the binder compositions according to the invention for lacquering vehicles, wood and furniture, and for preventing corrosion.

Abstract: A curable composition comprising an aged mixture of tetramethoxysilane with water added in excess of the theoretical amount sufficient for the hydrolysis and condensation of 100% of the silane and a reactive organic compound having at least two functional groups capable of condensing with the product of hydrolysis and condensation of the silane in the above mixture.

Abstract: A novel fluorosilicone compound having at least two hydroxyl groups in its molecule and a curable composition containing such a compound and a commercially available general purpose curing agent; the compound is used suitably for a lubricant and a fiber treating agent, and the curable composition is used suitably for a mold releasing agent, a water- and oil-repelling agent, a stain-proof coating agent, a non-tackifying coating agent, a coating agent for optical use and a sealant.

Abstract: A organopolysiloxane composition suited to automobile oil seals is provided, which includes (A) a diorganopolysiloxane having a viscosity at 25.degree. C. of 25 to 1,000,000 cSt blocked with a hydroxyl group at both ends of its molecular chain; (B) an iminoxysilane having the formula (1):(R.sup.1).sub.4-n Si?--O--N.dbd.C(R.sup.1).sub.2 !.sub.n (1)wherein R.sup.1 are an unsubstituted or substituted monovalent saturated hydrocarbon group, and n is 3 or 4; (C) an amino group-containing hydrolyzable silane having the formula (2):H.sub.2 N--R.sup.2 --NH--R.sup.2 --Si(--O--R.sup.3).sub.3 (2)wherein R.sup.2 are an unsubstituted or substituted divalent saturated hydrocarbon group having 1 to 4 carbon atoms, and R.sup.3 are a monovalent saturated hydrocarbon group having 1 to 4 carbon atoms; and (D) a curing catalyst. The composition is able to maintain a low foamability even when dispersed or dissolved in automobile oils, and is cured to provide an automobile oil seal.

Abstract: The present invention is directed to certain novel compounds identified as bridged piperidines of the general structural formula: ##STR1## wherein R.sup.1, R.sup.1a, R.sup.2a, R.sup.3, R.sup.3a,R.sup.4, R.sup.5, A, X, and Y are as defined herein. These compounds promote the release of growth hormone in humans and animals. This property can be utilized to promote the growth of food animals to render the production of edible meat products more efficient, and in humans, to treat physiological or medical conditions characterized by a deficiency in growth hormone secretion, such as short stature in growth hormone deficient children, and to treat medical conditions which are improved by the anabolic effects of growth hormone. Growth hormone releasing compositions containing such compounds as the active ingredient thereof are also disclosed.

Abstract: Method of making copolymers of (i) an acrylic or methacrylic-functional polyisobutylene macromonomer, (ii) a polydiorganosiloxane macromonomer, and optionally (iii) a radical polymerizable monomer such as an alkyl acrylate or alkyl methacrylate. The copolymers are prepared by copolymerizing the monomers in a miniemulsion using a free radical initiator at high temperature. In the method, the monomers are mixed with a surfactant(s) and optionally a cosurfactant(s), and subjected to high shear.

Abstract: A surface treatment composition which can form a coating having excellent gas barrier properties, transparency and flexibility, contains at least one silane compound component selected from the group consisting of a silane compound (A) having amino groups and hydrolytic condensation groups in their molecules, a hydrolytic condensation product (B) of the silane compound (A), and a co-hydrolytic condensation product (D) of the silane compound (A) and an organometallic compound (C); a compound (E) having at least two functional groups which can react with an amino group in its molecule; and solvent (F).

Abstract: The invention relates to a process for the preparation of totally or partially blocked polyisocyanates based on a blocking agent and on a polyisocyanate containing at least two free NCO groups, if desired in the presence of a chain extender, in which the totally or partially blocked polyisocyanates are prepared by a solvent-free and continuous procedure. This reaction is carried out in a static mixer or intensive kneading apparatus or extruder. The invention furthermore relates to the use of the totally or partially blocked polyisocyanates for PUR powder coatings and solvent-containing, one-component PUR stoving enamels.

Abstract: In the production of a poly(diorganosiloxane) with diorganyloxyorganylsilyl or triorganyloxysilyl end groups wherein at least one .alpha.,.omega.-dihydroxypoly(diorganosiloxane) is reacted with at least one alkoxysilane in the presence of a catalyst, the improvement which comprises employing as the catalyst at least one phosphoric acid ester or salt thereof. The reaction proceeds rapidly and, when complete, the catalyst can easily be deactivated to prevent degradation and/or rearrangement.

Abstract: The instant invention pertains to a method of producing silicone pressure sensitive adhesives wherein the method comprises (I) combining together (A) a benzene soluble, hydroxyl containing organopolysiloxane resin consisting essentially of R.sub.3 SiO.sub.1/2 siloxane units and SiO.sub.4/2 siloxane units, wherein R is a monovalent radical selected from the group consisting of hydrocarbon and halogenated hydrocarbon radicals having from 1 to 10 carbon atoms; there being from 0.5 to 1.5 R.sub.3 SiO.sub.1/2 units for every SiO.sub.4/2 units and there being 1.0 to 4 wt %, based on FTIR, hydroxyl functionality and (B) a hydroxyl containing polydiorganosiloxane having a viscosity of .gtoreq.100 mPa's and (C) a catalyst selected from the group consisting of a weak organic acid or metal salt thereof; and thereafter (II) heating the mixture of (A), (B) and (C) for a time sufficient to produce the silicone pressure sensitive adhesive.

Abstract: A finish composition for a precursor for high-performance carbon fibers, containing (1) 0.2-10 parts by weight of an aminocarboxylic material selected from the group consisting of carboxylic acid salts of alkylamines, carboxylic acid salts of arylamines, carboxylic acid salts of alkylarylamines, amino acids and betaine compounds, and (2) 100 parts by weight of a mixture of (a) 80-20 parts by weight of a finish prepared by adding, to (i) a silicone finish containing 50 wt % or more of an amino-modified polysiloxane having a nitrogen content in amino groups in the range of 0.05-2.0 wt % and a viscosity at 25.degree. C. of 500 centistokes or more, (ii) 0.3-5.0 molar equivalents of a lower aliphatic monocarboxylic acid of 6 carbon atoms or less with respect to 1 mole of the amino group, and (b) 20-80 parts by weight of a nonionic emulsifier consisting mainly of a polyoxyethylene alkyl ether, a polyoxyethylene alkylaryl ether or a polyoxyethylene fatty acid ester.

Abstract: A process for the synthesis of polysiloxane emulsions is discussed. The process yields mono modal polysiloxane emulsions, providing control over the particle size and dispersity.