Abstract: Gels for thermotropic layers, obtainable by irradiation of a mixture comprisinga) an uncrosslinked polymer,b) monomers capable of free-radical polymerization andc) water or an organic solvent or mixtures thereof, with high-energy light.

Abstract: An air curing polymer composition is disclosed which contains acetoacetate functional polymer and an autoxidizable material. The composition cures on exposure to oxygen. One pack stable ambient curing compositions and a method of stabilizing acetoacetate functional groups to prevent hydrolysis are also disclosed.

Abstract: A blow-molded article made from a polyphenylene ether/polyamide composition reinforced with glass fibers is provided. The article is excellent in mechanical properties and blow moldability. The composition comprises a mixture consisting of (A) 10-65 parts by weight of a polyphenylene ether and (B) 90-35 parts by weight of a polyamide and, on the basis of 100 parts by weight of said mixture, (C) 10-100 parts by weight of a glass fiber, (D) 1-35 parts by weight of a polyolefin and (E) 0.01-10 parts by weight of an unsaturated polar monomer compound having in its molecule both (a) carbon-carbon double bond or carbon-carbon triple bond and (b) carboxyl group, acid anhydride group, amino group, acid amide group, imide group, epoxy group, carboxylic acid ester group, isocyanate group, methylol group or hydroxyl group as a compatibilizing agent, amounts of (C), (D) and (E) being based on 100 parts by weight of [(A)+(B)].

Abstract: Blends of a sulfonated thermoplastic block polymer and a compatible extender oil are described. The block copolymer is first selectively hydrogenated and thereafter modified by grafting sulfonic acid containing functional groups primarily in the alkenyl arene blocks. Neutralization of the acid groups to a metal salt is preferred to prepare oil extended blends that retain substantial amounts of non-extended mechanical properties.

Abstract: An organic colloidal dispersion of polar polymeric microparticles synthesized directly in a non-aqueous polar medium is disclosed. The dispersion is particularly useful for controlling rheological properties such as sag and metallic flake orientation in coating compositions.

Abstract: An air curing polymer composition is disclosed which contains acetoacetate functional polymer and an autoxidizable material. The composition cures on exposure to oxygen. One pack stable ambient curing compositions and a method of stabilizing acetoacetate functional groups to prevent hydrolysis are also disclosed.

Abstract: Novel pressure-sensitive adhesives are described which show significant resistance to solvents and working fluids such as jet fuel, hydraulic fluid, de-icing fluid and the like. Adhesive compositions comprise nonaqueous dispersions of copolymers of acrylic monomers prepared in the presence of a vinyl-substituted fluoroalkyl siloxane having the general formula I and a macromonomeric stabilizer. The adhesives prepared from the adhesive compositions exhibit excellent adhesion to glass, aluminum, and low surface-energy materials such as fluoroalkyl siloxane elastomers.

Abstract: A water based luminescent highway or roadway paint composition that contains a fine powdered luminescent substance which does not require an organic solvent, a colored paint dispersion, and a polyurethane resin which is water compatible and which imparts an extended surface life under normal traffic conditions. The luminescent substance may be either a phosphorescent material or a combination of a phosphorescent and a fluorescent material. When the fluorescent material is present in the luminescent substance a daytime luminescence or reflectivity or coloration is produced in addition to the phosphorescence produced at night when light (head lights of an automobile) shine on the paint composition marking the median highway stripe or the highway edges.

Abstract: The addition of small amounts of low molecular weight visco-elastic rubber material to rubber-modified polypropylene has been Found to reduce the severity of flow marks that occur on the surface of injection molded articles.

Abstract: Copolymers of vinyl aromatic monomers and propoxylated allyl alcohols having an average of 2 or less oxypropylene groups are disclosed. The copolymers, which have hydroxyl numbers of 80-260 mg KOH/g and number average molecular weights from 500-3500, are particularly useful for polyurethanes, alkyd resins and coatings, melamine-based coatings, and unsaturated polyester resins.

Abstract: A process for preparing a pigmented thermoplastic polymer composition which is useful as a low profile additive composition for thermosetting resins comprises the steps of(A) selecting at least one thermoplastic polymer having a refractive index which is within about 0.06 units of the refractive index of the thermosetting resin;(B) preparing a mixture of said thermoplastic polymer and at least one color pigment, dye or mixture thereof under high shear in a high-intensity mixer; and(C) forming a slurry comprising said mixture obtained in step (B) in at least one liquid copolymerizable monomer containing at least one CH.sub.2 .dbd.C< group. In a preferred embodiment, at least one surfactant is included in the slurry obtained in step (C) in an amount sufficient to enhance the uniformity of the pigmentation of a cured composite produced from the thermosetting resin composition and a low profile additive composition.

Abstract: Broadly, the present invention is directed to a pressure sensitive adhesive that possesses enhanced adhesion to low surface energy substrates. The inventive PSA comprises the free-radical polymerization reaction product prepared in the presence of a free-radical initiator and dispersed in organic solvent of between about 0.5% and 10%, by weight of the non-volatile solids of the reaction product, of an organic solvent soluble, high ethylene-containing polymer; and a mixture of ethylenically-unsaturated monomers. Such mixture of monomers comprises between 0% and not substantially above about 10%, by weight of the non-volatile solids of the reaction product, of an ethylenically-unsaturated carboxylic acid or anhydride; and the balance being a non-carboxyl/non-anhydride-functional vinyl monomer or mixture of monomers. The T.sub.g of the polymerized mixture of monomers is not substantially above about -20.degree. C.

Abstract: Polyolefin molding composition of high rigidity and hardnessA polyolefin molding composition essentially comprisinga) a polyolefin wax andb) a high-molecular-weight polyolefin or, instead of b),c) a high-molecular-weight olefin copolymer has high rigidity and hardness.In order to increase the impact strength, this molding composition may additionally be admixed with a rubber having a glass transition temperature of below -20.degree. C.

Abstract: Clusters of water-swellable polymer particles, having high rates of absorbency without gel-blocking are prepared by suspending water-swellable polymer particles in an inert hydrophobic liquid, such as hydrocarbon, and slowly adding to the particles a suspension of an aqueous solution optionally containing an .alpha.,.beta.-ethylenically unsaturated monomer in an inert hydrophobic liquid.

Abstract: A fluorine-containing elastomer composition consists essentially of (A) a peroxide-vulcanizable fluorine-containing elastomer containing iodine and/or bromine which becomes a vulcanizing point, (B) an organic peroxide, (C) a co-vulcanizing agent and (D) a hydrotalcite compound or a calcined product thereof.The composition of the present invention is markedly improved in permanent compression set and adhesion after vulcanization while maintaining excellent tensile characteristics, heat resistance and chemical resistance corresponding to those of conventionally known peroxide-vulcanizable fluorine-containing elastomer, and therefore is suitable for the uses such as an O-ring, a gasket and an oil seal.

Abstract: A novel method for producing compositions comprising polymeric solution droplets is disclosed. The products are useful as retention aids in paper pulps, as flocculating agents for flocculating a wide variety of dispersions of suspended solids and as drive fluids for use in oil recovery.

Abstract: This invention relates to a process for preparing a pigmented thermoplastic polymer composition which is useful as a low profile additive composition for thermosetting resins. The process includes the steps of(A) selecting at least on thermoplastic polymer having a refractive index which is within about 0.06 units of the refractive index of the thermosetting resin;(B) preparing a mixture of said thermoplastic polymer and at least one color pigment, dye or mixture thereof under high shear in a high-intensity mixer; and(C) forming a slurry containing said mixture obtained in step (B) in at least one liquid copolymerizable monomer containing at least one CH.sub.2 .dbd.C<group. In a preferred embodiment, at least one surfactant is included in the slurry obtained in step (C) in an amount sufficient to enhance the uniformity of the pigmentation of a cured composite produced from the thermosetting resin composition and a low profile additive composition.

Abstract: The present invention provides a copolymer comprising polybutadiene and other olefinic saturated or unsaturated thermoplastics. The mixing ratio between the polybutadiene and the thermoplastics is 30:70 to 95:5 weight percent. Surface improving additives, such as polysiloxane, may be added in quantities from 0.5 to 6 weight percent. The copolymer may be used to produce medical and food compatible semi-finished or finished products.

Abstract: A flame-retardant olefin polymer composition superior in surface whitening preventing property is obtained by blending 100 parts by weight of a resin component consisting principally of:a) 99-60% by weight of a polyolefin resin andb) 1-40% by weight of an olefin polymer modified with an unsaturated carboxylic acid or a derivative thereof: withc) 5-200 parts by weight of a flame retardant: andd) at least one component selected from the group consisting of:1 a mineral oil, a wax, or a paraffin.2 a higher fatty acid or an ester, amide or metallic salt thereof,3 a silicone4 a partial fatty ester of a polyhydric alcohol or aliphatic alcohol-, fatty acid-, aliphatic amino-, fatty acid amide-, alkylphenol- or alkylnaphthol-ethylene oxide adduct, and5 a fluoric elastomer.

Abstract: The polypropylene resin composition of the present invention comprises specific proportions of a crystalline ethylene-propylene block copolymer, an hydrogenated block copolymer, an amorphous ethylene-propylene copolymer, surface-treated talc, fibrous magnesium oxysulfate of granular form and a metal soap. This resin composition is well balanced in rigidity and impact resistance, has good mar resistance, and can be preferably used in large-sized parts for automobiles, particularly instrument panels for automobiles.

Abstract: A pigment dispersion useful for forming coating compositions containing dispersed pigment, an aqueous carrier and a graft copolymer dispersant; wherein the graft copolymer has a weight average molecular weight of about 5,000-100,000 and has a polymeric backbone and macromonomer side chains attached to the backbone wherein(1) the polymeric backbone is hydrophobic in comparison to the side chains and contains polymerized ethylenically unsaturated hydrophobic monomers and up to 20% by weight, based on the weight of the graft copolymer, of polymerized ethylenically unsaturated acid containing monomers; and(2) the sidechains are hydrophilic macromonomers attached to the backbone at a single terminal point and contain polymerized ethylenically unsaturated monomers and 2-100% by weight, based on the weight of the graft copolymer, of polymerized ethylenically unsaturated acid containing monomers and have a weight average molecular weight of about 1,000-30,000 and wherein the acid groups of the graft copolymer are neu

Abstract: Opaque, thermoplastic molding compositions comprising a grafted rubber phase and a matrix phase comprising styrene, acrylonitrile, and from 1 to 18 percent of a lower alkyl methacrylate and having improved colorability are disclosed.

Abstract: Blends based on vinyl-aromatic polymers having high tenacity and impact strength, comprising:a vinyl-aromatic copolymer containing from 2 to 25% by weight of an ethylenically unsaturated nitrile and a rubber amount not higher than 15% by weight; anda grafted polymer consisting of an elastomeric core having a transition temperature of the second order lower than 10.degree. C. containing, in the grafted form, chains of vinyl monomers.

Abstract: Liquid bleaching and coloring compositions are provided in which a polymeric matrix stably suspends pigment particles. A preferred composition includes an aqueous solution having sodium hypochlorite in an amount of from about 3.5 wt. % to about 6.2 wt. %, an anionic or nonionic surfactant in an amount of from about 0.02 wt. % to about 5 wt. %, a polymer in an amount of from about 0.4 wt. % to about 0.6 wt. %, and ultramarine blue particles in an amount of from about 0.1 wt. % to 0.2 wt. %, the ultramarine blue particles being stably suspended and dispersed in the aqueous solution via the polymer.

Abstract: A method of producing an emulsion polymer which comprises adding a polymerizable monomer to an emulsion polymer containing a high-molecular-weight compound having a weight average molecular weight of 20,000 to 2,000,000 as a seed polymer, the amount of the unsaturated monomer being 1.5 to 9.5 times the total volume of the solids in the emulsion polymer, and thereafter, polymerizing the monomer in the presence of a film-forming aid.

Abstract: Modified solution polymer compositions useful for films, coatings, caulks, adhesives, and mastics having advantitious properties such as low surface tack, short drying time, high tensile strength, and hardness, uses of such compositions, and processes for preparing them are disclosed.

Abstract: A method for covering electrical conducting means is disclosed. In this method an ethylene polymer composition comprising a linear ethylene polymer having a density of at least 0.94 and a crosslinking effective amount of an acetylenic diperoxide compound having a one hour half-life decomposition temperature of more than 135.degree. C. is utilized to cover the electrical conducting means.

Abstract: Vinyl chloride polymer (PVC) composition especially suitable for calendering which comprises PVC, at least one copolymer of an alkyl (meth)acrylate (preferably n-butyl acrylate) and alpha methyl styrene of low molecular weight (10,000 to 100,000) achieved by performing the copolymerization in the presence of a chain transfer agent, particularly cyclohexene, and which composition optionally contains a processing aid, and wherein the PVC and said at least one alkyl (meth)acrylate copolymer are admixed by performing the VC polymerization process to produce the PVC in the presence of the alkyl (meth)acrylate copolymer.

Abstract: This invention relates to a novel air drying acrylic modified polyester composition and to the method of preparing said compositions which are particularly useful in forming coatings on various substrates and particularly on metal surfaces. The acrylic modified polyesters are water reducible and are obtained from the copolymerization of a polyester prepolymer and a combination of ethylenically unsaturated vinyl monomers comprising at least one acrylic monomer. The prepolymers are derived from the reaction of a styrene-allylic alcohol polymer with a mixture of unsaturated monocarboxylic acids comprising at least one unsaturated fatty acid and at least one monoanhydride having at least one free carboxylic acid group.

Abstract: The invention relates to a vinyl halide polymer composition suitable for outdoor use in the sunlight. The change in color as measured by .DELTA.E in articles made from the polymeric composition is found to be substantially lower than other compositions. The lower .DELTA.E provides a measurement for improved weatherability of the compositions in such applications as housing siding, window profiles, shutters and roof vents.

Abstract: Composition for preparing a polymer concrete, a method of protecting or reconditioning surfaces by treatment with the composition, the protected or reconditioned surfaces thus-treated, and multi-package systems for bringing the components of the composition to an application site, wherein the composition comprises a substantially non-aqueous slurry of (1) an aggregate material and (2) a monomer binder system effective to bind the aggregate, upon curing, into a polymer concrete, the binder system comprising (a) a liquid comonomer component, (b) a solid, thermoplastic macromonomer component dissolved in the comonomer and comprising a linear polymer terminated at one or both ends with a polymerizable end group, and (c) a polymerization catalyst.

Abstract: A polyolefin resin composition comprising a polyolefin modified with an unsaturated carboxylic acid, at least one member selected from the group consisting of polyepoxides, polyisocyanates, and polyamines, and a reinforcement.

Abstract: An electronic circuit having an electrically conductive pattern formed on a substrate and having on at least one surface of the substrate a film obtained from a soluble polymerizable oligomer of the formula: ##STR1## wherein D is ##STR2## wherein M is --C.tbd.C--, --C.tbd.C--C.tbd.C, --O--, ##STR3## wherein R is an alkyl or aromatic group; wherein Ar is an aromatic group; wherein x is an integer greater than two but less than 30, z is either zero or an integer, and y is an integer wtih the sum of y and z equal to x; and wherein n is an integer from 1 to 10. The substrate is coated by applying the above composition to the substrate and then hardening the composition by further polymerization. Preferred compositions contain the above described oligomer and certain plasticizers and/or toughening agents.

Abstract: A thermoplastic polymer comprising a styrenic monomer, an acrylate, a methacrylate and a block copolymer is provided which possesses an unexpected excellent balance of properties including good physical properties, good elongation and a high degree of transparency. Also provided are processes for the preparation of the thermoplastic polymer.

Abstract: There is provided a tackifier composition especially suited for use with natural rubber latex and formed from an olefin resin, preferably a polymerized terpene hydrocarbon resin condensed with an unsaturated carboxylic acid or anhydride, optionally partially esterified with a C.sub.1 -C.sub.30 alcohol or phenol, and neutralized with a base, preferably a volatile base such as an amine, and then dispersed in an aqueous medium. The tackifier when added to a latex forms compositions useful particularly as pressure sensitive adhesives.

Abstract: A specialized polymeric peroxide is copolymerized with vinyl type monomers in the presence of organic liquid, thereby obtaining a solution of a copolymer having peroxy bonds therein.This solution is admixed with vinyl type monomers which are different in composition from the ones used in the first copolymerization, and the resultant mixture is subjected to block copolymerization.The obtained block copolymer solution is admixed with an organic liquid which exert solubility to one of polymers of the vinyl type monomers which are employed in the first or second copolymerization, whereby a non aqueous system liquid dispersion is obtained.This dispersion contains a block copolymer in a high concentration and it also is splendid in uniformity of dispersion and dispersion stability.

Abstract: Copolymers adapted for use as stabilizers in dispersions and stable dispersions, including crosslinked dispersions containing microgel particles, prepared therefrom. Stabilizer bears pendent ethylenic unsaturation capable of reacting with monomers employed in random copolymerization used to make the dispersion polymer. Stabilizer comprises a random copolymer segment of ethylenically unsaturated monomers, some of which are characterized in that homopolymers thereof would be substantially insoluble in the organic liquid used to form the stable dispersion and some of which are characterized in that homopolymers thereof would be substantially soluble in the organic liquid used to form the stable dispersion.

Abstract: A sealant composition for the puncture-sealing tire and a method of producing the same are disclosed. This sealant composition is crosslinking-reaction type and comprises (A) at least one rubber, (B) a tackifier, (C) an acryloyl or methacryloyl group-containing polymerizable unsaturated compound, (D) a filler and (E) a photopolymerization initiator. In the production of the sealant composition, the component (A) is first reacted with the component (C) and then kneaded with the components (B), (D) and (E).

Abstract: A powdered elastomeric composition is formed by combining a powder elastomer and a powdered predispersion of liquid or pasty components, such as process oil, lubricants and waxes, in a dry powder filler. The powdered predispersion is combined with the powder elastomer using a ribbon blender to form a consistent homogenous powder dry blend which can be directly injection molded without any additional mixing other than that occurring in the extruder portion of the injection molding apparatus.

Abstract: An aqueous dispersion of a copolymer comprising:(A) from 20 to 90 percent by weight of an unsaturated carboxylic acid of the formula ##STR1## where R.sub.1, R.sub.2, R.sub.3 are hydrogen, alkyl, or --(CH.sub.2).sub.n COOM and M is a proton or an alkali metal or alkaline earth metal or an ammonium cation, and(B) from 10 to 80 percent of at least one other comonomer different from and copolymerizable with A; methods of making a ready-to-use foundry molding sand by mixing such a dispersion with sand; and such ready-to-use foundry molding sands.

Abstract: Poly(vinyl chloride) resin compositions containing an ethylenically-unsaturated compound having carbonylamino or thiocarbonylamino groups. These compositions are readily convertible at low temperatures to crosslinked polymers and are radiation-curable to dimensionally stable articles and films that are clear and that do not exude oily materials.

Abstract: Ethylene homopolymers and copolymers of ethylene and C.sub.3 -C.sub.8 acylic alpha-olefins prepared with a catalyst comprising the reaction product of a metal organic oxygenated compound, a transition metal organic oxygenated compound and an aluminium halide can be combined with acetylenic high molecular weight diperoxy hexynes or octynes and crosslinked during rotational molding.

Abstract: Ethylene homopolymers and copolymers of ethylene and C.sub.3 -C.sub.8 acylic alpha-olefins prepared with a catalyst comprising the reaction product of a metal organic oxygenated compound, a transition metal organic oxygenated compound and an aluminum halide can be combined with acetylenic high molecular weight diperoxy hexynes or octynes and crosslinked during rotational molding.

Abstract: Crosslinkable polymeric compositions based on polyolefins modified by grafting on to them hydrolyzable unsaturated alkoxy silanes, such grafting being carried out in the presence of a partially or totally dehydrated synthetic crystalline zeolite and of a free radical generating peroxide catalyst.

Abstract: Polyester fiber reinforced molding compounds containing low profile additives afford moldings with improved surface appearance by the addition of epoxy compounds essentially free of reactive unsaturation.

Abstract: The disclosure is of a copolymer reaction product of(A) 20 to 60 equivalent percent of a polymeric fatty acid;(B) 0 to 60 equivalent percent of a dicarboxylic acid;(C) 15 to 50 equivalent percent of a monocarboxylic acid; and(D) 5 to 25 equivalent percent of a synthetic polymeric resin having a crystalline chain structure, said resin having active carboxyl and/or hydroxyl groups capable of reaction with acid/amine groups; with(E) 50 to 80 equivalent percent of an organic polyamine.The copolymer is useful in flexographic ink compositions and such are advantageously water reducible (thinnable).

Abstract: The present invention relates to viscosification agents for water which are diblock polymers of t-butylstyrene/metal styrene sulfonate and triblock polymers of t-butylstyrene/metal styrene sulfonate/t-butylstyrene.

Abstract: Herein disclosed are a toner composition for the development of electrostatic latent images which comprises a polymer obtained by polymerizing a polymerizable monomer or monomers in the presence of a chlorinated polyolefin, and a method for preparing the same.

Abstract: This disclosure relates to novel adhesive compositions and composite structures utilizing the same, wherein said adhesive compositions contain an elastomer, a chemically compatible ethylenically unsaturated monomer, a tackifier, an adhesion promoter, and optionally, pigments, fillers, thickeners and flow control agents which are converted from the liquid to the solid state by exposure to high energy ionizing radiation such as electron beam. A particularly useful application for such adhesive compositions comprises the assembly of certain composite structures or laminates consisting of, for example, a fiber flocked rubber sheet and a metal base with the adhesive fulfilling the multiple functions of adhering the flocked fiber to the rubber sheet as well as adhering the rubber sheet to the metal base.

Abstract: This invention provides a graft copolymer of at least one acrylic monomer and a random copolymer of a styrene and allyl alcohol, in which at least about 8 percent of the total weight of said graft copolymer is derived from acrylic acid, methacrylic acid, or both. It also provides anionic aqueous dispersions of such graft copolymers and coating compositions containing them.