Abstract: A process involving mixing an ethylene/vinyl acetate copolymer and an organopolysiloxane at a temperature of at least 160.degree. C. for a sufficient length of time to provide a melt index of 0.05 to 8 grams per 10 minutes.

Abstract: A composition useful in the manufacture or cable comprising:(i) a copolymer comprising ethylene and one or more alpha-olefins having a density equal to or less than 0.915 gram per cubic centimeter;(ii) a metal hydrate flame retardant compound;(iii) a styrene-ethylene-butylene-styrene triblock copolymer; and(iv) optionally, an impact polypropylene copolymer or polypropylene.

Abstract: An adhesive composition comprising:(a) about 30 to about 95 parts by weight of a grafted linear low density polyethylene;(b) about 5 to about 70 parts by weight of a grafted (i) copolymer of ethylene and an unsaturated ester or (ii) a non-polar polyethylene having a crystallinity of no greater than about 38 percent by weight based on the weight of the non-polar polyethylene and a density of no greater than about 0.915 gram per cubic centimeter,wherein components (a) and (b) have been grafted with an unsaturated organic compound selected from the group consisting of acids, acid anhydrides, acyl halides, amides, imides, and epoxy esters, and parts by weight are based on 100 parts by weight of components (a) and (b) combined; and(c) about 5 to about 50 percent by weight of an electrically conductive material in the form of particles or fibers, the percent by weight being based on the total weight of components (a) and (b).

Abstract: A blend comprising:(a) an isotactic polypropylene matrix containing an ethylene/propylene copolymer dispersed phase, said combination having dual melting peaks, a first peak in the range of about 150.degree. C. to about 165.degree. C., attributable to the matrix, and a second peak in the range of about 123.degree. C. to about 132.degree. C. having at least about 2.2 calories per gram melting endotherm, attributable to the copolymer, component (a) being present in the blend in an amount of about 60 to about 90 percent by weight based on the weight of the blend; and(b) an ethylene/1-butene copolymer containing about 85 to about 90 percent by weight ethylene; having a density in the range of about 0.890 to about 0.910 gram per cubic centimeter; and having an Mw/Mn ratio of up to about 8, component (b) being present in the blend in an amount of abut 10 to about 40 percent by weight based on the weight of the blend.

Abstract: A process for the solid phase forming of an impact polypropylene copolymer comprising (a) providing an impact polypropylene copolymer comprising (i) a matrix, which is either a homopolymer of propylene or a copolymer of propylene and up to about 5 percent by weight of at least one other alpha-olefin based on the weight of the copolymer, and, incorporated into said matrix, (ii) a copolymer of ethylene and at least one other alpha-olefin, said copolymer having a crystallinity of at least about 20 percent and being present in the impact copolymer in an amount of at least about 10 percent by weight based on the total weight of the impact copolymer; and (b) forming the impact polypropylene copolymer at a temperature above the melting point of component (ii) but below the melting point of component (i).

Abstract: A process for preparing a low haze molded article includes adding a nucleating agent to a polypropylene homopolymer or copolymer to form prenucleated polypropylene having a molecular weight of at least about 20,000 and an isotactic index of at least about 60 percent, and forming a molding composition by mixing the prenucleated polypropylene with linear low density polyethylene having a melt index of at least about 120 grams per 10 minutes, in an amount of about 1 to 5 percent by weight based on the total weight of the polyethylene and the polypropylene. This mixture is then introduced into an injection molding zone where it is molded at a temperature below the melting point of the polypropylene.

Abstract: A process for the in situ blending of polymers comprising continuously contacting, under polymerization conditions, a mixture of ethylene and at least one alpha-olefin having at least 3 carbon atoms with a catalyst in at least two fluidized bed reactors connected in series, said catalyst comprising:(i) a complex consisting essentially of magnesium titanium, a halogen, and an electron donor;(ii) at least one activator compound for the complex having the formula AlR".sub.e X'.sub.f H.sub.g wherein X' is Cl or OR'"; R" and R'" are saturated aliphatic hydrocarbon radicals having 1 to 14 carbon atoms and are alike or different; f is 0 to 1.5; g is 0 or 1; and e+f+g=3; and(iii) a hydrocarbyl aluminum cocatalyst, the polmerization conditions being such that ethylene copolymer having a high melt index in the range of about 0.1 to about 1000 grams per 10 minutes is formed in at least one reactor and ethylene copolymer having a low melt index in the range of about 0.001 to about 1.

Abstract: A non-woven fabric, the fibers of which are comprised of:(i) polyethylene;(ii) polycaprolactone; and, optionally,(iii) a copolymer of ethylene and carbon monoxide and, optionally, one or more ethylenically unsaturated monomeric organic compounds having 3 or more carbon atoms wherein ethylene is present in major proportion, by weight, and carbon monoxide is present in an amount of about 1.5 to about 7 percent by weight, all based on the weight of the copolymer.

Abstract: A composition comprising (i) a copolymer of ethylene; one or more polar unsaturated alcohols, acids, or esters; and a N-substituted maleimide or (ii) a copolymer of ethylene and one or more polar unsaturated alcohols, acids, or esters grafted with an N-substituted maleimide.

Abstract: A laminated stretch wrap film comprising an intermediate layer and two outer layers wherein (i) the intermediate layer is comprised of polyethylene having a density equal to or less than 0.910 gram per cubic centimeter blended with about 5 to about 30 percent by weight polypropylene, the percent by weight being based on the combined weight of the polyethylene and polypropylene; and (ii) the outer layers are comprised of ethylene-vinyl acetate copolymer.

Abstract: A composition comprising a mixture of:(i) polyethylene;(ii) aluminum silicate;(iii) sodium-potassium-aluminum silicate(iv) calcium metasilicate;(v) one or more fatty acid amides; and(vi) a mixture of fatty acid mono-and diglycerides.

Abstract: A process for the simultaneous trimerization of ethylene and the copolymerization of the trimer with ethylene comprising continuously contacting ethylene, the 1-hexene which is formed, and, optionally, hydrogen in a reaction zone, under trimerization and polymerization conditions, with the supported reaction product of one or more bis-triarylsilyl chromates and one or more trihydrocarbylaluminum compounds wherein the atomic ratio of aluminum to chromium is at least about 3 to 1.

Abstract: A composition useful in the manufacture of cable comprising:(i) a copolymer comprised of ethylene and vinyl acetate;(ii) a surface treated magnesium hydroxide having (a) a strain in the <101> direction of not more than 3.0.times.10.sup.-3 ; (b) a crystallite size in the <101> direction of more than 800 angstroms; and (c) a surface area, determined by the BET method, of less than 20 square meters per gram; and(iii) a silicone fluid.

Abstract: A composition comprising:(a) isotactic polypropylene; and(b) a copolymer of ethylene and an alpha-olefin having at least 3 carbon atoms and having a density equal to or less than 0.915 gram per cubic centimeter and a molecular weight of at least about 250,000wherein the ratio of flow indices of component (a) to component (b) is in the range of about 60:1 to about 200:1.

Abstract: A catalyst system comprising:(i) a catalyst precursor, which includes: magnesium; titanium; a halogen, which is chlorine, bromine, or iodine, or a mixture thereof; one or two inside electron donors; and a cerium (IV) compound;(ii) a hydrocarbylaluminum cocatalyst; and(iii) a selectivity control agent. wherein the atomic ratio of aluminum to titanium is in the range of about 5 to about 300 and the molar ratio of aluminum to selectivity control agent is in the range of about 0.1 to about 100.

Abstract: A process for the in situ blending of polymers comprising continuously contacting, under polymerization conditions, a mixture of ethylene and at least one alpha-olefin having at least 3 carbon atoms with a catalyst in at least two fluidized bed reactors connected in series, said catalyst comprising:(i) a complex consisting essentially of magnesium titanium, a halogen, and an electron donor;(ii) at least one activator compound; and(iii) a hydrocarbyl aluminum cocatalyst, the polymerization conditions being such that ethylene copolymer having a high melt index in the range of about 0.1 to about 1000 grams per 10 minutes is formed in at least one reactor and ethylene copolymer having a low melt index in the range of about 0.001 to about 1.0 gram per 10 minutes is formed in at least one other reactor, each copolymer having a density of about 0.860 to about 0.965 gram per cubic centimeter and a melt flow ratio in the range of about 22 to about 70, and being admixed with active catalyst.

Abstract: A composition comprising:(a) a copolymer of ethylene and carbon monoxide, and, optionally, one or more ethylenically unsaturated monomeric organic compounds having 3 or more carbon atoms wherein ethylene is present in major proportion, by weight, and carbon monoxide is present in an amount of about 0.5 to about 10 percent by weight based on the weight of the copolymer; and(b) polypropylene.

Abstract: A process for the production of EPDM comprising reacting ethylene, propylene, ethylidene norbornene, and hydrogen, in the gas phase, in a fluidized bed, under polymerization conditions, in the presence of a catalyst system comprising:(a) a titanium based catalyst having the formula Mg.sub.a Ti(OR).sub.b X.sub.c (ED).sub.d whereinR is an aliphatic or aromatic hydrocarbon radical having 1 to 14 carbon atoms or COR' wherein R' is an aliphatic or aromatic hydrocarbon radical having 1 to 14 carbon atoms;each OR group is alike or different;each X is independently chlorine, bromine, or iodineED is an electron donora is 0.5 to 56;b is 0, 1, or 2;c is 2 to 116; andd is greater than 1.5 a+2;(b) at least one modifier having the formula BX.sub.3 or AlR.sub.(3-b) X.sub.

Abstract: A process for preparing ethylene/1-octene copolymers using a titanium based catalyst system under defined polymerization conditions.

Abstract: A composition useful in the manufacture of cable comprising:(i) a crosslinkable thermoplastic resin;(ii) a metal hydrate flame retardant compound;(iii) an organic peroxide crosslinking compound, which decomposes at a temperature of at least about 140.degree. C., but below the decomposition temperature of the polymer; and(iv) an unsaturated silicone fluid.