Abstract: Novel polymeric diphosphine coordinates are obtained by reacting a diphosphine alkali alcoholate with an halogenated polymer, and their metal derivatives are obtained by reacting the coordinate with salts or transition metal complexes.These metal polymers can be used as catalysts in catalysis reactions by means of coordination complexes.

Abstract: Improved process for the preparation of water-soluble, substantially linear, high molecular weight polymers, comprising irradiating an aqueous solution of an ethylenically unsaturated monomer and a water-soluble salt under controlled conditions of concentration, radiation intensity, conversion, and total radiation dose. The polymers may be obtained in aqueous gel form or recovered in the form of powder. The polymers are useful as flocculating, thickening, and mobility control agents.

Abstract: Disclosed are polymers of metal salts of itaconic acid monoester and copolymers of the said metal salts with vinyl monomer, having excellent optical properties such as high refractive index and transparency. The polymers and copolymers are obtained by irradiating with radioactive rays a polymerizable ingredient which is one member selected from the group consisting of (1) one metal salt of itaconic acid monoester, (2) a mixture of two or more metal salts of itaconic acid monoester and (3) a mixture of at least one metal salt of itaconic acid monoester with vinyl monomer. Further, a polymerizable ingredient prepared by adding to the aforementioned polymerizable ingredient a polymerization catalyst is subjected to thermal treatment to produce a polymer.

Abstract: Processes for preparing novel polymers containing carboxyl or carboxylate groups which comprises hydrolyzing starting polymers containing acid anhydride groups in the presence of acids or alkalies, the starting polymers being prepared by ring-opening polymerization of acid anhydride-type norbornene derivatives, and the characteristics and utility of these novel polymers are disclosed.

Abstract: Polymers in which the side chains contain 1,3,4-dioxazol-2-one groups, and the manufacture of said polymers. The novel polymers have the reactivity of 1,3,4-dioxazol-2-one and may also contain other reactive groups. They may be used for the production of shaped articles, coatings and adhesives.

Abstract: Metallocene that is polymerizable by free radical catalysis and has metal nucleus in a state of oxidation below its maximum can be polymerized without oxidation of such nucleus by forming a reaction mixture containing said metallocene and the reducing agent of a redox catalyst combination, then initiating and maintaining polymerization of said metallocene with the gradual addition of the oxidizing agent of said combination to said reaction mixture.

Abstract: Homopolymers and copolymers are prepared which contain side chains of Werner complexes of carboxylic acid groups coordinated with chromium. Particularly useful are such polymers with side chains provided by the homopolymerization and copolymerization of methacrylato chromic chloride complexes. These materials have many uses including as coupling agents for bonding resins to other materials.

Abstract: Lithium salts of monohydroxyalkyl-substituted conjugated alkadienes are employed as comonomers in the polymerization of conjugated dienes, or conjugated dienes with monovinyl aromatic compounds, to produce polymers containing hydroxy functionality. The hydroxy functionality permits efficient curing.

Abstract: Adducts of hydrocarbon lithium compounds and alkadienols such as 2,4-pentadien-1-ol are employed in the anionic solution polymerization of polymerizable monomers to produce polymers containing terminal hydroxyl groups.

Abstract: Soft contact lenses comprising a copolymer comprising at least one monomer of the general formula, ##EQU1## wherein X is H or CH.sub.3 and n is 2 or 3, at least one monomer of the general formula, ##EQU2## wherein X is H or CH.sub.3 and m is an integer of 4 to 13, and optionally at least one polymerizable monomer other than the monomers of the above-mentioned two groups are disclosed. These contact lenses are soft and flexible in the non-swollen state and are tougher and less susceptible to microbiological contamination than the hitherto known soft contact lenses. Also a novel process for preparation of these soft contact lenses is disclosed, which comprises cast-polymerizing a mixture of the above-mentioned monomers, cooling the resulting copolymer to a low temperature at which it stands rigid, and shaping the copolymer body into the lens form in the cooled rigid state.

Abstract: Compounds having the formula ##EQU1## wherein R is alkyl group having 6 to 22 carbon atoms, M is H, Li, Na, K or NH.sub.4 and n is an integer of 2 to 4, inclusive. The compound is useful as polymerizable emulsifying agent, and enables to improve properties of produced polymer and to provide a modacrylic fiber superior in heat stability and fastness to light. The aqueous emulsion polymerization of .alpha.,.beta.-ethylenically unsaturated monomer by the use of the polymerizable anionic emulsifying agent is capable of preventing a discharge of an environmental pollutant.

Abstract: The invention provides novel water-soluble copolymers useful as flocculating agents, especially in flocculating the red mud formed during the Bayer process for the production of alumina from bauxite. The copolymers comprise anionic monomer units e.g. acrylic acid units in a mole percentage of less than 50% and acrylamide type units some of which are methylolated.

Abstract: Polymeric materials which comprise a hydroxyalkyl ester of acrylic acid or methacrylic acid, a monoethylenically .alpha.,.beta.-unsaturated carboxylic acid, and an alkyl ester or esters of acrylic and/or methacrylic acid are partially-neutralized, isolated, and powdered to give useful powder coating compositions.

Abstract: Alpha-methyl-p-bromo-styrene prepared by the manipulative steps of brominating poly(.alpha.-methyl-styrene) and subsequently depolymerizing the brominated polymer. The alpha-methyl-p-bromo-styrene has particular utility as a co-monomer for preparing copolymers exhibiting a flame retardancy.

Abstract: Powder coating materials which consist essentially of an ionic copolymer, or a copolymer or terpolymer base resin of the ionic copolymer, and 1 to 20% by weight, based on the weight of copolymer, of a monobasic fatty acid of 10 to 22 carbon atoms, a metal salt of a monobasic fatty acid of 10 to 22 carbon atoms, or mixtures thereof. The materials are useful for coating glass bottles.

Abstract: A process of production of linear, water-soluble polymers and co-polymers of very high molecular weight in powder form, from monomers which are themselves soluble in water comprises operating in emulsion with an inversion of phase during the course of the operation with, as solvent, a hydrocarbon giving with water an azeotrope boiling at a temperature lower than 100.degree.C, and with, as emulsifying agent, a non-ionic emulsifying agent having a H.L.B between 8 and 13 in a proportion of 1.5 to 5 % of the total weight of the monomers and the solvents, initiating the polymerization at a temperature lower than 35.degree.C by adding the quantity of initiator of the Redox type to the whole of the reactants and especially carrying out the polymerization in a closed vessel without external cooling, until the maximum temperature is reached.

Abstract: Alkali metal or alkaline earth metal terminated rubbery polymers are reacted with monofunctional hydrocarbyl organometal compounds in which the metal is selected from Groups 2b, 4a, and 5a and which contain either halogen, --OR, --SR, or --N(R).sub.2. The resulting rubbery polymers have improved physical properties in gum or filled stocks.