Abstract: The present invention relates to a novel acrylic composition, novel acrylic castings prepared therefrom, and a novel process for the preparation of the acrylic castings. The composition comprises methyl methacrylate, about 0.5 to 20% by weight of a carboxylated cellulose ester, and about 1 to 100 ppm of a vanadium promoter. Optionally, a heat dissipative material, such as a plasticizer or an additional monomer, can also be employed. In accordance with the process of the present invention, an acrylic monomer comprising methyl methacrylate is combined with about 0.5 to 20% by weight of a carboxylated cellulose ester so as to form an easily pourable syrup, about 1 to 100 ppm of a vanadium promoter is added to the syrup and the resulting solution is poured into a suitable mold, and the solution is cured at room temperature so as to form a hard acrylic casting.

Abstract: A method for improving metal adhesion and metal adhesion properties between a vulcanizable rubber composition and brass or zinc or brass-plated or zinc-plated metallic reinforcing elements includes dispersing from about 0.5 to about 12.5 parts by weight of an organic salt of nickel or cobalt per 100 parts of rubber component in a sulfur vulcanizable rubber composition and dispersing from about 0.5 to 15 parts by weight of a thermosetting two-step phenolic resin per 100 parts of the rubber component in the same rubber composition prior to curing.

Abstract: Hydrolysis-resistant, thermoplastic molding compositions are made from high-molecular weight, linear polybutylene terephthalate and 0.1-10 mole %, based on the amount of the dicarboxylic acid component of the polyester, of a salt of Formula (A)[(-O.sub.3 S).sub.x R--CO.sub.2.sup.-).sub.2 ]M, (A)whereinM is an alkali or alkaline earth metal cation,R is an aromatic or cycloaliphatic residue or an aliphatic residue of 2-20 carbon atoms in the carbon chain, andx is 0 or 1.

Abstract: Grafted starch polymer solutions of a low viscosity through the use of cinnamic acid material. The cinnamic acid material is incorporated into the grafted starch polymer which is prepared from starch and vinyl monomer, preferably acrylamide.

Abstract: The invention relates to plastics materials of high electrical conductivity containing TCNQ complexes and stabilized against the emission of HCN and to mouldings, films and coatings of such materials, as well as to the use of the plastics material for the production of antistatic foils and coatings onto substrates.

Abstract: Heat-sterilizable films are made from a polymer blend of about 10 to about 60 wt % random propylene-ethylene copolymer containing from about 1 to about 6 wt % ethylene-derived units and about 40 to about 90 wt % linear low density polyethylene. The films are especially useful in the manufacture of collapsible parenteral solution bags and overwraps.

Abstract: Improved dyeability of alpha-monoolefin polymers is obtained by incorporating in the olefin polymer a polymeric dye receptor and a small amount of a carboxylic acid metal salt.

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: A resin coated sand for shell-molding processes is provided comprising the coating of foundry sand or aggregates with a phenolic resin and a carboxylic acid salt. The carboxylic acid salt is selected from a carboxylic acid salt of an element selected from groups Ia, Ib, IIa, IIb, IIIa, IVa, Va, VIb, VIIa, VIIb or VIII of the Periodic Table of Elements. The proportion of carboxylic acid salt to phenolic resin is from 0.5 to 40 parts carboxylic acid salt to 100 parts phenolic resin. This resin coated sand produces shell-molds having excellent properties for casting, and allows the molded article to be removed in an easy and efficient manner.

Abstract: What are disclosed are coating formulations having improved storage stability comprising a silicone resin prepared by the condensation of partially hydrolyzed organosilane compounds in the presence of acids and further containing an alkanoic acid having from 6 to 21 carbon atoms.

Abstract: Thermally stable, color-stabilized halobisphenolethylene polycarbonates comprising halobisphenolethylene polycarbonates containing an effective amount of a stabilizing organophosphite are described. The stabilized halobisphenolethylene polycarbonates can be molded or formed into films, sheets, fibers, laminates or other molded articles including reinforced articles by conventional molding techniques.

Abstract: Polyethylene terephthalate molding compositions characterized by rapid crystallization are provided by combining polyethylene terephthalate and a filler or reinforcing agent with a crystallization-rate promoter comprising sodium benzoate and a poly-alpha-olefin such as low density polyethylene. A flame retardant material is provided by the addition of flame retardant additives.

Abstract: A composition for use in preventing the formation of ice comprising:(A) organopolysiloxane resin represented by the structural unit ##STR1## wherein R represents hydrogen atom or monovalent organic group attached to the silicon atom by a carbon-to-silicon bond, R' represents hydrogen atom, C.sub.1 to C.sub.20 alkyl group, aryl group, oxime residue, n and m are each 0 or an integer of up to 4, and n plus m is 0 or an integer of less than 4, and(B) alkali metal compound represented by the formulaMa.sym.X.crclbar.wherein M represents alkali metal selected from Li, Na and K, X represents inorganic or organic acid group or hydroxyl group and a is an integer of 1 to 4.

Abstract: High clarity propylene polymer compositions having improved impact strength are comprised of a blend of a random copolymer of propylene and ethylene, containing from about 1 to about 6 wt % polymerized ethylene, with a linear low density polyethylene in a weight ratio range between about 80:20 and about 95:5. The linear low density polyethylene is a copolymer of ethylene and a C.sub.4 -C.sub.18 alpha-olefin and has a density in the range from about 0.910 to about 0.935 gms/cc.

Abstract: Alkali metal salts of ethylene terephthalate oligomers as nucleating agents for polyethylene terephthalate; (i) the nucleation process; (ii) a polyethylene terephthalate molding composition; and (iii) the product made by the nucleation process.

Abstract: Curable compositions and a process for the preparation of a low viscosity, filled liquid polymer having active hydrogen-containing groups are disclosed. An organic zirconium compound lowers the viscosity of a combination of a liquid polymer and an inorganic filler.

Abstract: A process is provided for increasing the rate of crystallization of polyester compounds, such as poly (alkylene arylates), more particularly poly(alkylene terephthalates), or blends or mixtures thereof, as for example, poly(ethylene terephthalate), poly(butylene terephthalate) or mixtures of blends thereof, by incorporating therein a small amount of a polyethylene ionomer, or an alkali metal salt of benzoic acid, such as sodium benzoate. The faster crystallization rates improve injection molding performance of the polyesters and blends thereof, such as reduced post-mold shrinkage, faster mold cycle times and lower mold temperature. Also, the resultant products show increases in physical properties such as flex modulus, flex strength, deflection temperature under load (DTUL), tensile strength and solvent resistance.

Abstract: Homogeneous liquid stabilizer systems imparting to polyvinyl chloride resins a heat and light stability comparable to or exceeding organotin stabilizers are provided which are substantially solvent-free and have a low viscosity and a minimum flash point of 96.degree. C.

Abstract: 1,3-Dicarbonyl compounds are provided having the formula: ##STR1## wherein R.sub.1, R.sub.2 and R.sub.3 are defined in the description as well as metal and organotin enolate salts thereof.The compounds are effective in enhancing the resistance to deterioration by heat and light of polyvinyl halide resins.

Abstract: A method of improving the thermal stability of sulfur-vulcanizable elastomers by incorporating copper salts therein, is disclosed.

Abstract: The production of a toughened, mar-resistant floor film includes the steps:(a) applying to a floor surface a liquid solution containing a cross-linking ingredient,(b) and buffing said floor surface with said solution thereon in moist condition to heat the solution and surface and produce cross-linking of said ingredient with the floor surface.

Abstract: A bumper having excellent rigidity, resistance to thermal deformation and to mechanical impact at a low temperature and superior lacquer-bonding property is made from a propylene polymer composition comprising:(A) 55 to 65% by weight of at least one crystalline ethylene-propylene block copolymer in which the content of the polymerized ethylene is in the range of from 5 to 10% by weight, in which the polypropylene component has a fraction thereof insoluble in boiling n-heptane, in an amount of 97% or more, in which a fraction thereof soluble in p-xylene at room temperature, has an intrinsic viscosity of from 3 to 4 determined in decahydronaphthalene at a temperature of 135.degree. C. and which has a melt flow index of from 2 to 10;(B) 30 to 35% by weight of at least one amorphous ethylene-propylene copolymer having an intrinsic viscosity of from 2.0 to 3.5 determined in decahydronaphthalene at a temperature of 135.degree. C., and a Mooney viscosity ML.sub.

Abstract: Heat-stable vinyl halide resin compositions comprise (a) a vinyl halide resin prepared by the polymerization of a vinyl halide-containing monomer component in an aqueous medium in the presence of a free radical generating polymerization initiator and a chain-terminating agent that is an ortho-dihydric phenol and (b) a liquid antimony stabilizer composition.

Abstract: Use of a selected alkali metal salt of a polycarboxylic acid has been found to impart good crystallization and mold release properties to polyethylene terephthalate molding blends.

Abstract: A polyethylene terephthalate resin composition capable of providing a molded article of a high crystallinity and an excellent dimensional stability and thermal resistance consists essentially of a polyethylene terephthalate resin having an intrinsic viscosity of 0.35 to 0.9 and, per 100 parts by weight of the polyethylene terephthalate resin, 5 to 200 parts by weight of an inorganic filler, 0.01 to 20 parts by weight of dimethyl or diethyl terephthalate and 0.01 to 5 parts by weight of a salt of a carboxylic acid with a metal of Group I or II in the periodic table or 0.1 to 10 parts by weight of an ionic copolymer of an .alpha.-olefin with a salt of an .alpha.,.beta.-unsaturated carboxylic acid and containing an ion of a metal of Group I or II in the periodic table.

Abstract: The present invention relates to a solid rubber adhesion promoter composition. It comprises 20-90%, preferably 60-80% by weight of cobalt naphthenate, nickel naphthenate or a mixture thereof and 10-80%, preferably 20-40% by weight of cobalt resinate, nickel resinate or a mixture thereof.The composition can be produced in the form of crisp, non-dusting, friable cast solids, powders or flakes. It has a long shelf life and mixes very well into rubber compounds.By the use of the present promoter compositions strong rubber-to-metal adhesion is obtained.