Abstract: A process for the production of a product comprising ethylene/propylene copolymer incorporated into a matrix of propylene homopolymer or copolymer comprising the following steps:(a) contacting propylene or propylene and at least one alpha-olefin having 2 to 8 carbon atoms, and hydrogen, wherein the alpha-olefin is present in a ratio of about 0.01 to about 0.06 mole of alpha-olefin per mole of propylene and the hydrogen is present in a ratio of about 0.001 to about 0.

Abstract: A process for extruding a hydrolyzable particulate thermolastic copolymer coated with an organic peroxide, which, under extrusion conditions, will provide essentially no crosslinking per se, but will decompose to provide a silanol condensation catalyst, including passing the coated copolymer through an extruder having a die at about its downstream end with the proviso that the extruder is operated under such conditions that (i) the temperature of the extruder before the die is maintained at a level sufficient to extrude the copolymer, but below the decomposition temperature of the organic peroxide; (ii) the temperature of the extruder at or after the die is maintained at or above the decomposition temperature of the peroxide; and (iii) there is sufficient moisture in the environment to crosslink the copolymer in the presence of a silanol condensation catalyst.

Abstract: A process for grafting an anhydride of an unsaturated aliphatic diacid onto a polyolefin comprising:(a) passing molten polyolefin through at least two injection zones connected in series;(b) injecting, under grafting conditions, a portion of a solution comprising the anhydride, an organic peroxide catalyst, and an inert organic solvent into the molten polyolefin as it passes through each injection zone, and mixing same in each injection zone until the portion is at least partially grafted onto the polyolefin; and(c) passing the grafted polyolefin, in the molten state, into a devolatilization zone, and mixing same in said zone, under devolatilization conditions, until the grafted polyolefin is essentially devolatilized.

Abstract: A process for the recovery of silicone oil and chlorobenzenes from a mixture containing silicone oil, chlorobenzenes, and polychlorinated biphenyls comprising:(a) introducing the mixture into a distillation zone at a temperature and a pressure which will cause the chlorobenzenes to flash overhead and the mixture of silicone oil and polychlorinated biphenyls to pass to the bottom of the zone; and(b) removing the bottoms from step (a), cooling same, and passing the bottoms through at least one bed of activated carbon, which is an adsorbent for polychlorinated biphenyls.

Abstract: A cable conductor shield composition comprising (i) ethylene-vinyl acetate copolymer wherein the vinyl acetate is present in an amount of about 8 to about 14 parts by weight and (ii) the following components in about the following parts by weight, all based on 100 parts by weight of copolymer:______________________________________ Components Parts by Weight ______________________________________ polyethylene having a density 29 to 36 of about 0.90 to about 0.95 carbon black having a surface 19 to 25 area of about 650 to about 1200 square meters per gram an antioxidant at least 0.1 a processing aid at least 0.1 an organic peroxide curing agent at least 0.

Abstract: A process for the trimerization of an olefin selected from the group consisting of ethylene, propylene, 1-butene, and mixtures thereof comprising passing the olefin in contact with a catalyst comprising the reaction product of (i) a chromium compound, which will provide active catalytic species under trimerization conditions; (ii) a hydrocarbyl aluminum hydrolyzed with about 0.8 to about 1.1 moles of water per mole of aluminum compound; and (iii) a donor liquid selected from the group consisting of hydrocarbyl isonitriles, amines, and ethers wherein the aluminum to chromium mole ratio is in the range of up to about 200 to one and the ligand to chromium mole ratio is in the range of up to about 100 to one.

Abstract: A process for reducing the odor of isotactic polypropylene containing an odor producing unsubstituted or substituted benzoic acid ester by admixing molten isotactic polypropylene with a compound capable of undergoing transesterification with the odor producing ester, said transesterification compound being (i) a partially esterified glycerol; (ii) an expoxide; (iii) a monofunctional or polyfunctional alcohol; (iv) an aliphatic acid ester; or (v) mixtures thereof wherein the transesterification compound is of such functionality and/or of sufficient molecular weight to yield an ester of a molecular weight of at least about 300 upon undergoing ester interchange with said odor causing benzoic acid ester.

Abstract: Method for replacing a coolant containing PCB in electrical induction apparatus having a tank containing the PCB-containing coolant, an electrical winding and porous solid cellulosic electrical insulation immersed in, and impregnated with, the PBC-containing coolant with a substantially PCB-free permanent coolant to convert said electrical apparatus into one in which the rate of elution of PCB into the PCB-free coolant is below the maximum allowable rate of elution into the coolant of an electrical apparatus rated as non-PCB comprising steps of: (a) draining the PCB-containing coolant from said tank; (b) filling the tank with an interim dielectric cooling liquid; (c) electrically operating the apparatus; (d) thereafter draining the interim dielectric cooling liquid containing the eluted PCB from the tank; (e) repeating the cycle of steps (b), (c) and (d) a sufficient number of times until the PCB elution rate does not exceed the rate of 50 ppm PCB based on the weight of the permanent coolant after 90 days of

Abstract: An oligomerization or cooligomerization process comprising passing ethylene or a mixture of ethylene and propylene in contact with a catalyst, in the liquid phase.

Abstract: A process for the incorporation of a copolymer of at least one liquid alpha-olefin or diolefin comonomer having at least 7 carbon atoms into a polymer matrix comprising:(a) in a first reaction zone, contacting at least one alpha-olefin having 2 to 6 carbon atoms with a catalyst adapted for the polymerization thereof in such a manner that a granular polymer matrix selected from the group consisting of (i) a homopolymer of ethylene or propylene and (ii) a copolymer of ethylene or propylene and at least one alpha-olefin having 2 to 6 carbon atoms is formed in admixture with active catalyst;(b) admixing the mixture from step (a) with at least one liquid alpha-olefin or diolefin comonomer having at least 7 carbon atoms to at least partially cost the polymer matrix; and(c) introducing the mixture from step (b) into the first reaction zone or a second reaction zone together with at least one alpha-olefin having 2 to 6 carbon atoms in such a manner that polymerization is effected in the gas phase.

Abstract: A process for extrusion comprising extruding, under conditions which will provide a shrink film, a linear low density copolymer of ethylene and at least one alpha-olefin having 3 to 6 carbon atoms, said copolymer having (i) a density in the range of about 0.915 to about 0.932 grams per cubic centimeter; (ii) a weight average molecular weight of at least about 250,000, (iii) a ratio of weight average molecular weight to number average molecular weight of at least about 6; and (iv) a copolymer species with a molecular weight of at least about 500,000 in an amount of at least about 8 percent by weight based on the weight of the copolymer.

Abstract: 1. A heat and water tree resistant composition comprising:(a) a copolymer of ethylene and an alpha-olefin having 4 to 8 carbon atoms, said copolymer having a density equal to or less than 0.91 gram per cubic centimeter; and(b) a polyethylene glycol having a molecular weight in the range of about 1000 to about 20,000 in an amount of about 0.1 to about 20 percent by weight based on the weight of the copolymer.

Abstract: An impact polypropylene composition comprising:(i) isotactic polypropylene; and(ii) a copolymer of ethylene and an alpha-olefin comonomer having 3 to 8 carbon atoms, said copolymer (a) having a density of about 0.87 to about 0.90 gram per cubic centimeter and a crystallinity in the range of about 20 to about 35 percent by weight based on the weight of the copolymer and (b) being present in the composition in the range of about 20 to about 50 percent by weight based on the weight of the polypropylene.

Abstract: A vanadium catalyst composition comprising:(i) the reaction product of a vanadium trihalide wherein the halogen is chlorine, bromine, or iodine, or mixtures thereof, and an electron donor, which is a liquid, organic Lewis base in which the vanadium trihalide is soluble;(ii) a silica support onto which component (i) is impregnated;(iii) a salt admixed with the silica support, the cation of said salt being selected from the group consisting of Groups I and II of the Periodic Chart of the Atoms;(v) a halocarbon promoter; and(v) a hydrocarbyl aluminum cocatalyst.

Abstract: A water curable composition comprising:(a) at least one polymer selected from the group consisting of silane grafted homopolymers of ethylene, propylene, or 1-butene; silane grafted copolymers wherein a major proportion thereof is attributed to an ethylene, propylene, or 1-butene monomer; and a copolymer wherein a major proportion thereof is attributed to an ethylene, propylene, or 1-butene monomer and a minor proportion thereof is attributed to silane, each polymer having at least one silane moiety containing at least one hydrolyzable group; and(b) at least one polysiloxane having the following formula: ##STR1## wherein R=C.sub.3 H.sub.6 (OC.sub.3 H.sub.6).sub.y (OC.sub.2 H.sub.4).sub.

Abstract: A polyolefin blend comprising:(a) a linear low density copolymer of ethylene and at least one alpha-olefin having 3 to 6 carbon atoms produced in the presence of an activated supported catalyst containing chromium and titanium, said copolymer having a density in the range of about 0.916 to about 0.922 gram per cubic centimeter and a melt index in the range of about 0.30 to about 1.2 grams per 10 minutes and being present in an amount of about 55 to about 75 percent by weight; and(b) a very low density copolymer of ethylene and at least one alpha-olefin have 3 to 8 carbon atoms produced in the presence of an activated supported catalyst containing magnesium, titanium, a hydrocarbyloxy moiety, halogen, and an electron donor, said copolymer having a density in the range of about 0.890 to about 0.910 gram per cubic centimeter and a melt index in the range of about 0.30 to about 8.

Abstract: A process for the preparation of a thermoplastic elastomer comprising admixing, under reaction conditions, an unsaturated elastomer containing carbon-carbon double bonds; an essentially saturated thermoplastic homopolymer or copolymer; a multifunctional organosilicon compound containing an average of at least two Si--H groups per molecules; and a catalyst capable of hydrosilylating the carbon-carbon double bonds of the unsaturated elastomer.

Abstract: An elastomer blend comprising:(a) a polyolefin selected from the group consisting of (i) polyethylene; (ii) a hydrolyzable copolymer of ethylene and silane; and (iii) a hydrolyzable silane modified polyethylene; and(b) an ethylene-propylene-diene terpolymer rubber, with or without silane modification, said terpolymer when silane modified being hydrolyzable, provided that, when component (a) is polyethylene, the terpolymer is silane modified,the blend of components (a) and (b) having the following physical properties:(i) Secant Modulus in the range of about 100 psi to about 10,000 psi;(ii) 100% Modulus in the range of about 100 psi to about 1500 psi; and(iii) Shore A hardness in the range of about 10 to about 100.

Abstract: A can carrier composition comprising at least one of each of the following components wherein all parts are by weight based on 100 parts by weight of component (i):(i) a high pressure polyethylene having a density in the range of about 0.918 to about 0.930 gram per cubic centimeter;(ii) a linear polyethylene having a density of less than about 0.925 gram per cubic centimeter in an amount of about 2 to about 35 parts;(iii) polyethylene wax in an amount of about 0.5 to about 5 parts;(iv) a mineral filler coated with a metal salt of a fatty acid in an amount of about 0.05 to about 0.50 parts;(v) a secondary amide in an amount of about 0.02 to about 0.15 part;(vi) an antioxidant in an amount of about 0.02 to about 0.10 part; and(vii) an organic phosphorus compound in an amount of about 0.005 to about 0.05 part.

Abstract: A process for the trimerization of an olefin selected from the group consisting of ethylene, propylene, 1-butene, and mixtures thereof comprising passing the olefin and carbon dioxide in contact with a catalyst comprising the reaction product of (i) a chromium compound, which will provide active catalytic species under trimerization conditions, and (ii) a hydrocarbyl aluminum hydrolyzed with about 0.7 to about 1.1 moles of water per mole of aluminum compound wherein the aluminum to chromium mole ratio is in the range of up to about 200 to one and the mole ratio of olefin to carbon dioxide is in the range of about 4 to about 3000 moles of olefin per mole of carbon dioxide.