Abstract: Non-miscible polymeric blends comprising a major proportion of a linear alternating polymer of carbon monoxide and at least one ethylenically unsaturated hydrocarbon and lesser amounts of a maleated, partially hydrogenated block copolymer and an alpha-olefin/alpha,beta-ethylenically unsaturated copolymer exhibit improved melt stability and improved toughness and impact strength.

Abstract: Blends of a major proportion of a linear alternating polymer of carbon monoxide and at least one ethylenically unsaturated hydrocarbon and lesser proportions of a relatively high molecular weight poly(arylsulfone) polymer and a relatively low molecular weight poly(arylsulfone) oligomer demonstrate improved processability and improved tensile modulus and tensile strength.

Abstract: Polymer blends of improved properties are produced with a continuous or partially continuous phase of a linear alternating polymer of carbon monoxide and at least one ethylenically unsaturated hydrocarbon, and a dispersed or partially continuous phase of a polymer of an alkenyl nitrile, a vinyl aromatic monomer, and an alkadiene.

Abstract: The process of producing linear alternating polymers of carbon monoxide and at least one ethylenically unsaturated hydrocarbon in the presence of novel catalyst composition prepared from a palladium compound, a non-transition metal salt of a non-hydrohalogenic acid having a pKa less than 6, bidentate phosphorus ligand and a ketone or ester carboxylic compound.

Abstract: A process for preparing a melt processed polymer material having improved oxygen, water or carbon dioxide barrier properties wherein a quantity of a linear alternating polymer of carbon monoxide and at least one ethlenically unsaturated hydrocarbon is melt processed to form a film, heated to a temperature ranging from about 2.degree. C. to about 40.degree. C. above the melting point of the polymer, and cooling the heated melt processed film at a moderate rate between about 6.degree. C. and about 10.degree. C. per minute.

Abstract: A process for preparing a polyketone wherein sulfidic sulfur and iron carbonyls present in carbon monoxide are removed therefrom before the carbon monoxide is used as feed for the preparation of novel polyketone polymers as well as shaped articles prepared therefrom.

Abstract: The present patent application relates to a process for copolymerizing a mixture of carbon monoxide and at least one olefinically unsaturated compound with catalyst compositions comprising:(a) a palladium compound,(b) an anion of an acid with a pK.sub.a of less than 4,(c) a triaryl arsine, and(d) a compound containing at least one phenolic hydroxyl group.

Abstract: Benzyl- or allyl- di(polar-substituted-phenyl)phosphines are converted in good yield to the corresponding alkali metal di(polar-substituted-phenyl)phosphide by reaction with alkali metal in liquid ammonia.

Abstract: Flame retardant compositions comprise linear alternating polymers of carbon monoxide and at least one ethylenically unsaturated hydrocarbon and a minor quantity, relative to the polymer, of certain flame retardants containing an organo halide.

Abstract: Flame retardant compositions comprise linear alternating polymers of carbon monoxide and at least one ethylenically unsaturated hydrocarbon and a minor quantity, relative to the polymer of an alkaline earth metal hydroxide.

Abstract: An improved process for the production of polyketone polymers in the presence of a catalyst composition formed from a palladium compound, the anion of certain strong acids and certain bidentate ligands comprises the provision of a controlled proportion of the catalyst composition at the outset of polymerization and providing the remainder of the catalyst composition only when the polymer concentration in the product-containing suspension has reached a minimum value.

Abstract: Diphosphines having at least one heterocyclic substituent that includes at least one oxygen, sulphur, or nitrogen atom in a five or six membered ring are useful components in palladium catalyst compositions which have been used to polymerize carbon monoxide and olefinically unsaturated compounds. Remaining substituents, if any, are carbocyclic hydrocarbon groups such as phenyls which are preferably substituted with polar groups in a ring position ortho to the phosphorus. The phosphorus atoms in the diphosphine are connected by a bridging group that contains at least one carbon atom.

Abstract: In the process of producing a linear alternating polymer of carbon monoxide and at least one ethylenically unsaturated hydrocarbon in the presence of a palladium salt, the anion of a strong non-hydrohalogenic acid, and a phosphine ligand, improved polymerization rates are obtained when employing a novel catalyst composition formed from a novel 1,3-bis(phosphino)-2-silapropane, which can be produced with high yield, wherein the 2-silapropane moiety is additionally substituted at the silicon atom with two hydrocarbyl substituents.

Abstract: Polymer compositions having attractive mechanical properties comprise linear alternating polymers of carbon monoxide and at least one ethylenically unsaturated hydrocarbon and minor amounts, relative to the polymer, of glass fiber reinforcement and mica.

Abstract: A structural adhesive consisting of:a linear alternating copolymer or interpolymer consisting of carbon monoxide and at least one ethylenically unsaturated hydrocarbon.

Abstract: The invention is a process for reducing catalyst residues from a Group VIII metal compound-containing polymer of CO, ethylene and optionally at least one olefinically unsaturated hydrocarbon. The process comprises contacting the polymer with an effective amount of a bidentate phsophine ligand having the general formula ##STR1## wherein R.sup.1, R.sup.2, R.sup.3 and R.sup.4 represent hydrocarbon groups which may contain polar or non-polar substituents and R represents a bivalent organic bridging group containing at least two carbon atoms in the bridge, recovering a Group VIII metal compound-containing organic liquid, contacting said Group VIII metal compound-containing liquid with an effective oxidant for the Group VII metal and recycling the resulting oxidized Group VIII metal compound to a process for preparing polymers of carbon monoxide and ethylene.

Abstract: The invention is a polymeric composition comprising a blend of a linear alternating polymer of carbon monoxide and at least one ethylenically unsaturated hydrocarbon with a polycarbonate.

Abstract: Non-miscible blends comprising, as a major component, a linear alternating polymer of carbon monoxide and at least one ethylenically unsaturated hydrocarbon and, as a minor component, a poly(alkylene oxide) polymer, exhibit improved processability.

Abstract: The invention is a linear random terpolymer comprised of repeating units of --CO--(C.sub.2 H.sub.4)-- and units of --CO--(C.sub.x H.sub.y)-- where x is greater than 2 and less than 20, having a melting point between about 150.degree. C. and about 245.degree. C. The invention also concerns a process to prepare a polymer having a melting point less than about 245.degree. C. which comprises contacting carbon monoxide and ethylene in the presence of one or more hydrocarbons C.sub.x H.sub.y containing an olefinically unsaturated --CH.dbd.CH-- group, where x is greater than 2 and less than 20, with a suitable catalyst and under conditions effective to prepare a linear random polymer having units of the formula --CO--(C.sub.2 H.sub.4)-- and units of the general formula --CO--(C.sub.x H.sub.y)--, and having a melting point less than about 245.degree. C.

Abstract: In the process of producing a linear alternating polymer of carbon monoxide and at least one ethylenically unsaturated hydrocarbon in the presence of a palladium salt, the anion of a strong non-hydrohalogenic acid and a bis(phosphino)propane, improved polymerization rates are obtained when employing a novel catalyst composition formed from a novel 1,3-bis(phosphino)propane wherein the propane moiety is additionally substituted in the 2 position with two hydrocarbyl substituents.