Abstract: This invention relates to an environmentally durable composition which has excellent low temperature dynamic properties. The composition comprises a substantially homogeneous mixture of 100 parts by weight elastomer having a fully saturated backbone, curing agent for the elastomer in amounts sufficient to crosslink the elastomer, reinforcing particulate filler, at least 20 parts by weight of an aliphatic oil and paraffinic oil and/or naphthenic oil. Inclusion of the naphthenic oil and/or paraffinic oil with the aliphatic oil improves the overall properties and processability of the elastomer composition. Particulate graphite may be incorporated into the composition to lower its friction.

Abstract: This invention relates to an environmentally durable composition which has superior low temperature dynamic properties. The composition comprises a substantially homogeneous mixture of 100 parts by weight elastomer having a fully saturated backbone, curing agent for the elastomer in amounts sufficient to crosslink the elastomer, reinforcing particulate filler, at least 20 parts by weight of particularly defined polyalphaolefin oil and, preferably, particularly defined paraffinic oil and/or naphthenic oil. Inclusion of the polyalphaolefin oil in the composition improves the low temperature dynamic properties and processability of the elastomer, which are further improved by inclusion of naphthenic oil and/or paraffinic oil therein. Particulate graphite may be incorporated into the composition to lower its friction.

Abstract: A thermosetting coating composition with excellent weatherability adapted for use as an automotive topcoat which upon curing forms a hard, glossy, durable coating. The coating composition, which reacts in situ during curing, is characterized by comprising a mixture of:(A) polyol having a number average molecular weight (MHD n) of between about 130-5000;(B) dicarboxylic acid anhydride comprising at least about 50 weight percent of alkyl hexahydrophthalic anhydride;(C) epoxy having one or more epoxide groups per molecule and a number average molecular weight (M.sub.n) of between about 130-1500; and(D) an amine-aldehyde crosslinking agent.

Abstract: A thermosetting coating composition with excellent weatherability adapted for use as an automotive topcoat which upon curing forms a hard, glossy, durable coating. The coating composition, which reacts in situ during curing, characterized in that the composition comprises a mixture of:(A) acrylic copolymer bearing pendant epoxide functionality and hydroxyl functionality and having a number average molecular weight (M.sub.n) of between about 1000 and about 5000;(B) dicarboxylic acid anhydride comprising at least about 50 weight percent of alkyl hexahydrophthalic anhydride;(C) amine-aldehyde crosslinking agent; and(D) solvent.

Abstract: This invention relates to an environmentally durable composition which has excellent low temperature dynamic properties. The composition comprises a substantially homogeneous mixture of 100 parts by weight elastomer having a fully saturated backbone, curing agent for the elastomer in amounts sufficient to crosslink the elastomer, reinforcing particulate filler and at least 20 parts by weight of an aliphatic oil. The aliphatic oil modifies the low temperature dynamic properties of the elastomer. Particulate graphite may be incorporated into the composition to lower its friction.

Abstract: This invention relates to an extrusion method of preparing tubular green bodies, in particular those having thin walled thickness, which after burnout and sintering have properties similar or better than those of tubular bodies produced by isostatic pressing and are suitable for use in the sodium/sulfur battery. The method comprises extruding a mixture of 40-60 volume percent of sinterable particulate solids consisting essentially of a particle size distribution of beta"-alumina precursor particulate comprising alpha-alumina and 60-40 volume percent organic sacrificial binder consisting essentially of a thermoplastic block copolymer, plasticizers comprising two oils and two waxes, stiffening thermoplastic polymers and processing aids. In the preferred embodiment, the composition of the particulate comprises 8.85 weight percent Na.sub.2 O, 0.75 weight percent Li.sub.2 O and 90.4 weight percent Al.sub.2 O.sub.3 and the temperature of the material is maintained between about 135.degree.-150.degree. C.

Abstract: This invention is directed to acid neutralizer additives for engine oils, which additive comprise polymeric particle bearing amine functionality on the polymerized particle and a non-polar polymeric stabilizer attached thereto.

Abstract: This invention relates to a compression molding method of preparing dimensionally precise highly contoured green bodies from a mixture of beta"-alumina percursor particulate and sacrificial binder. The binder comprises a thermoplastic block copolymer, oil, wax, stiffening molding, the green body may be heated to drive off the sacrificial binder and thereafter subjected to sintering. Such sintered articles are suitable for use in a sodium-sulfur battery.

Abstract: This invention is directed to acid neutralizing additives for engine oils, which additives comprise polymeric particles bearing epoxide groups on the polymerized particle and a non-polar polymeric stabilizer attached thereto.

Abstract: Crosslinked, preferably acrylic, preferably melamine crosslinking, polymer particles characterized in that the particles are formed by reactions comprising free radical addition polymerization of:(a) between about 0.5 and about 20 weight percent each of first and second monomers wherein said first monomer bears ethylenic unsaturation and functionality capable of crosslinking reaction with the other functionality present on the second monomer bearing multiple other functionalities and bearing no ethylenic unsaturation; and(b) between about 99 and about 60 weight percent of at least one other monethylenically unsaturated monomer;in the presence of (I) an organic liquid which is a solvent for the polymerizable monomers, but a non-solvent for the resultant polymer, and (II) polymeric dispersion stabilizer wherein the reaction is carried out at elevated temperatures such that the dispersion polymer forms and then is crosslinked.

Abstract: Crosslinked, preferably acrylic, preferably melamine crosslinked, polymer particles formed by reactions comprising free radical addition polymerization of:(a) between about 0.5 and about 20 weight percent each of first and second monomers, each bearing functionally capable of crosslinking reaction with the other and additionally wherein the first monomer is ethylenically unsaturated and the second monomer bears multiple crosslinking functionality and no ethylenic unsaturation,(b) between about 60 and about 99 weight percent of at least one other monoethylenically unsaturated monomer;in the presence of (I) an organic liquid which is a solvent for the polymerizable monomers, but a non-solvent for the resultant polymer, and (II) polymeric dispersion stabilizer wherein the precursor of the first segment of the stabilizer comprises a long chain hydrocarbon molecule having only one reactive group per molecule, preferably being a carboxyl group.

Abstract: Crosslinked, preferably acrylic, polymer particles characterized in that the particles are formed by free radical addition polymerization of:(a) between about 0.8 and about 20 weight percent each of first and second ethylenically unsaturated monomers each bearing functionality capable of crosslinking reaction with the other; and(b) between about 98.4 and about 60 weight percent of at least one other monoethylenically unsaturated monomer;in the presence of (I) an organic liquid which is a solvent for the polymerizable monomers, but a non-solvent for the resultant polymer, and (II) polymeric dispersion stabilizer wherein the reaction is carried out at elevated temperatures such that the dispersion polymer forms and then is crosslinked the stabilizer comprises the reaction product of an acrylic polymer-hydrocarbon molecule adduct having hydroxyl functionality with unsaturated monoisocyanate.

Abstract: Crosslinked, preferably acrylic, polymer particles characterized in that the particles formed by free radical addition polymerization of:(a) between about 0.8 and about 20 weight percent each of first and second ethylenically saturated monomers each bearing functionality capable of crosslinking reaction with the other; and(b) between about 98.

Abstract: A thermosetting coating composition with enhanced flexibility and impact strength and excellent weatherability adapted for use as an automotive topcoat which upon curing forms a hard, glossy, durable coating. The coating composition comprises:(A) a modified hydroxy acrylic copolymer which is the stepwise reaction product of:(i) a copolymer bearing pendant hydroxyl groups and having a number average molecular (M.sub.n) of between about 1000-5000,(ii) a dicarboxylic acid anhydride comprising at least about 50 percent by weight of an alkyl hexahydrophthalic anhydride, and(iii) a monoepoxide functional monomer comprising at least about 90 percent by weight of a C.sub.2 -C.sub.10 monoepoxide functional monomer;(B) an amine-aldehyde crosslinking agent;(C) optionally a hydroxy functional additive; and(D) solvent.

Abstract: A thermosetting coating composition with enhanced flexibility and impact strength and excellent weatherability adapted for use as an automotive topcoat which upon curing forms a hard, glossy, durable coating. The coating composition comprises:(A) a modified hydroxy acrylic copolymer which is the stepwise reaction product of:(i) a copolymer bearing pendant hydroxyl groups and having a number average molecular (M.sub.n) of between about 1000-5000,(ii) a dicarboxylic acid anhydride comprising at least about 50 percent by weight of an alkyl hexahydrophthalic anhydride, and(iii) a monoepoxide functional monomer comprising at least about 90 percent by weight of a C.sub.2 -C.sub.10 monoepoxide functional monomer;(B) a polyisocyanate crosslinking agent having two or more reactive isocyanate group per molecule;(C) optionally a hydroxy functional additive; and(D) solvent.

Abstract: Improved powder coating compositions are disclosed which comprise a particulate mixture of (1) a qualitatively difunctional copolymer of about 5 to about 20 weight percent of a glycidyl ester of a monoethylenically unsaturated acid, about 2 to about 10 weight percent of difunctional monomers selected from C.sub.5 -C.sub.7 hydroxyalkyl acrylates and C.sub.5 -C.sub.7 hydroxyalkyl methacrylates, and about 70 to about 93 weight percent monoethylenically unsaturated monomers consisting essentially of monfunctional monomers selected from the group consisting of esters of a C.sub.1 -C.sub.8 monohydric alcohol and acrylic acid, esters of a C.sub.1 -C.sub.8 monohydric alcohol and methacrylic acid and C.sub.8 -C.sub.12 monovinyl hydrocarbons, and (2) an anhydride crosslinking agent selected from the group consisting of monomeric anhydrides of dicarboxylic acids and homopolymers of monomeric anhydries of dicarboxylic acids, the same being present in an amount such as to provide about 0.3 to about 1.

Abstract: This invention comprises a method of ultrasonically end-capping a tubular green body which comprises a mixture of 40-60 volume percent sinterable beta"-alumina precursor particulate and 60-40 volume percent organic sacrificial binder wherein said sacrificial binder comprises a thermoplastic elastomer, a plasticizer which may be oil, wax or oil and wax, stiffening polymers, a processing aid and optional components. The tube is preferably formed by extrusion molding. The green body tube may be end-capped by ultrasonic forming or by ultrasonic bonding of an end-cap to the tube. During this process, ultrasonic vibration energy is dissipated as heat energy which melts the thermoplastic binder composition and welds the joining surfaces.

Abstract: Improved powder coating compositions are disclosed which comprise a particulate mixture of (1) a qualitatively difunctional copolymer of about 5 to about 20 weight percent of a glycidyl ester of a monoethylenically unsaturated acid, about 2 to about 10 weight percent of a C.sub.5 -C.sub.7 hydroxyalkyl acrylates and C.sub.5 -C.sub.7 hydroxyalkyl methacrylates, and about 70 to about 93 weight percent monoethylenically unsaturated monomers consisting essentially of monofunctional monomers selected from the group consisting of esters of a C.sub.1 -C.sub.8 monohydric alcohol and acrylic acid, esters of a C.sub.1 -C.sub.8 monohydric alcohol and methacrylic acid and C.sub.8 -C.sub.12 monovinyl hydrocarbons, and (2) a crosslinking agent consisting of C.sub.4 -C.sub.20 saturated, straight chain, aliphatic, dicarboxylic acid, said crosslinking agent being present in an amount sufficient to provide about 0.8 to about 1.1 carboxyl groups per functional group (epoxy and hydroxy groups) on said copolymer.

Abstract: A thick, highly filled, shaped elastomeric body comprising a thermally conductive elastomer suitable for high temperature, e.g. 240.degree.-260.degree. C. mechanical applications. The elastomer composition comprises organopolysiloxane, particulates, and a viscosity modifier. The organopolysiloxane crosslinks between the vinyl or allyl functionality of an organopolysiloxane polymer, and the silyl hydride functionality of an organopolysiloxane oligomer. The particulate comprises silica as well as a thermally conductive alloy powder of first row transition elements. The addition of a viscosity modifier comprising silicone oil is essential to the inclusion of the high levels of particulates.

Abstract: Improved powder paint compositions are disclosed which comprise a particulate mixture of (1) a qualitatively difunctional copolymer of about 5 to about 20 weight percent of a glycidyl ester of a monoethylenically unsaturated acid, about 2 to about 10 weight percent of C.sub.5 -C.sub.7 hydroxyalkyl acrylates and/or C.sub.5 -C.sub.7 hydroxyalkyl methacrylates, and about 70 to about 93 weight percent monoethylenically unsaturated monomers consisting essentially of monofunctional monomers selected from the group consisting of esters of a C.sub.1 -C.sub.8 monohydric alcohol and acrylic acid, esters of a C.sub.1 -C.sub.8 monohydric alcohol and methacrylic acid and C.sub.8 -C.sub.12 monovinyl hydrocarbons, (2) a C.sub.4 -C.sub.20 saturated, straight chain, aliphatic dicarboxylic acid which is present in an amount that provides about 0.1 to about 0.6 carboxyl group per functional group on said copolymer, and (3) a polyanhydride, i.e.