Abstract: A propylene polymer composition having excellent whitening resistance, impact resistance, rigidity and flowability.The propylene polymer composition comprises (A) 100 parts by weight of a propylene polymer or a modified polymer obtained by heat-treating the propylene polymer in an organic peroxides and (B) 0.1 to 1.5 parts by weight of an ester of an aliphatic saturated monocarboxylic acid and a polyhydric alcohol, and the propylene polymer essentially consists of two particular polymer fractions or three particular polymer fractions polymerized over stereoregular catalysts and combinationed in a specific ratio.

Abstract: Compositions which are effective in stabilizing polymers against the deteriorative effects of heat are provided comprising (1) a mono-organotin compound or mixture of mono-organotin compounds, (2) a mercaptan-containing organic compound or mixture of mercaptan-containing organic compounds, and, optionally (3) a diorganotin compound or mixture of diorganotin compounds. Also provided are polymer compositions containing said stabilizers and articles of manufacture made from said stabilized polymer compositions.

Abstract: An adduct of a heteroatomic monomer, e.g., gamma-methacryloxypropyl trimethoxysilane and a monoahl, e.g., a monohydroxyl polyalkylene oxide or a polyahl, e.g., a polypropylene glycol, is usefully employed in the preparation of stable copolymer dispersions of the type used in the production of polyurethane foams and polyurethane elastomers.The copolymer dispersion is prepared by addition copolymerization of (1) the adduct with (2) ethylenically unsaturated monomer(s), e.g., styrene or mixture thereof with acrylonitrile, while (1) and (2) are dispersed or dissolved in an excess of a polyahl, i.e., an active hydrogen polyfunctional compound.

Abstract: An antistatic additive for polymers, particularly polyurethanes is disclosed comprising an ionizable metal salt and an enhancer comprising a non-ionizable salt or ester of an organic acid.

Abstract: Treatment of aqueous suspensions of vinyl chloride polymers containing vinyl chloride monomer so as to inhibit wet-foaming therein, by adding a glyceride of an optionally substituted saturated or unsaturated carboxylic acid containing 6 to 20 carbon atoms (e.g. glycerol monoricinoleate). Solid-foaming can also be inhibited by adding a wetting agent (such as partially hydrolysed polyvinyl acetate PVA) and a preferred formulation for effecting the treatment comprises an aqueous emulsion of the glyceride having PVA as the emulsion stabilizer.

Abstract: Compositions comprising an organotin mercaptide, organotin sulfide or mixtures thereof; a diester of an ethylenically unsaturated dicarboxylic acid having one carboxyl group on each carbon atom of the ethenylene group; and, optionally, an organotin carboxylate are useful for stabilizing halogen-containing organic polymers against the deteriorative effects of heat, light and weathering.

Abstract: Polyvinylidene fluoride compositions have their flexibility improved by incorporation therewith of a minor proportion of one or more esters formed between at least one aliphatic diol such as 2,2-dimethyl 1,3-propanediol, a polyethylene glycol, propylene glycol, a polypropylene glycol, tetramethyleneglycol, a polytetramethyleneglycol or an aliphatic triol such as glycerol, and a monocarboxylic acid of aliphatic chain containing 2 to 10 carbon atoms or a monocarboxylic acid of aromatic radical such as benzoic acid. Polyvinylidene fluorides of improved flexibility are particularly useful for manufacturing flexible tubes for conveying various fluids such as, for example, hot water, chemical products, hydrocarbons.

Abstract: An aqueous emulsion, having a long shelf life, of a low molecular weight silicone resin comprising by weight(a) 1-60% of a silicone resin of the formula ##EQU1## wherein R.sup.1 is a monovalent hydrocarbon radical having 1 -14C atoms,R.sup.2 is a monovalent hydrocarbon radical having 1 -18C atoms,x has a value from about 0.75 to 1.5 andy has a value from about 0.2 to 2.0,and having a viscosity of about 2 to 2000 mPa.s,(b) 0.1-10% of an emulsifier, and(c) water.Advantageously two non-ionic emulsifiers are used in combination.

Abstract: The application discloses a process for making a polymeric powder which is readily dispersible in water to provide a composition useful for forming an enteric coating on pharmaceutical dosage forms and also a process for using the powder for its intended purpose.

Abstract: A composition adapted for processing into stretch wrap film. The composition comprises between about 40 and about 90% by weight of a high molecular weight copolymer of ethylene and vinyl acetate containing between about 4 and about 25% by weight of repeating units derived from vinyl acetate and having a melt index of between about 0.1 and about 4.0. The composition further comprises between about 8 and about 55% by weight of a linear copolymer of ethylene and a higher alkene. Such linear copolymer has a specific gravity of between about 0.917 and about 0.945. The invention further includes stretch wrap film, a method of producing stretch wrap film of differential cling properties, and a composite film constituted of a layer of the aforesaid ethylene vinyl acetate copolymer and a layer of the linear copolymer of ethylene and a higher alkene.

Abstract: Enhanced lubricating properties and good heat stability upon processing are imparted to thermoplastic materials such as polyvinyl chloride, polypropylene and acrylonitrile-butadiene-styrene resins by the incorporation therein of a polyglycerol ester of a C.sub.8 to C.sub.22 fatty acid. The ester is characterized by a degree of polymerization ranging from 2 to 8 and a degree of acid substitution ranging from 1 to 10.

Abstract: Disclosed are blends of polyesters and esters of glycerin or propylene glycol which are useful as hot-melt adhesives for fabrics.

Abstract: Coating materials for pharmaceutical dosage forms contain, besides the conventional liquid or solid additives for pharmaceutical coatings, a binder comprising a synthetic polymer, prepared by emulsion polymerization, having 5 to 100% by weight of units derived from monomers of the formula ##STR1## wherein R.sub.1 is a hydrogen atom or a lower alkyl group, R.sub.2 is an alkylene or aralkylene group having at least 3 carbon atoms in the chain between the amino nitrogen and the ester oxygen atom of which at least one is tertiary or quaternary, and R.sub.3 and R.sub.4 are lower alkyl radicals or together with the amino-nitrogen atom form a heteroaliphatic ring, and, optionally, additional comonomer units.

Abstract: Glycerides of higher fatty acids have been found to be effective as a discoloration inhibitor in very low concentrations for polyolefins.

Abstract: An aqueous emulsion of a solid, water insoluble or limited water soluble organic peroxide is provided that has improved stability, dilutability and safety but still having an average particle size of 1.5 microns or less and a good particle size distribution. The emulsion has from about 10 weight percent of the emulsion of a solid peroxide selected from the group of hydroperoxides .alpha., -oxy and .alpha.-peroxy hydroperoxides, dialkyl peroxides, aldehyde and ketone peroxides, diacyl peroxides, peroxyesters, peroxy acids, peroxydicarbonates, monoperoxycarbonates and perketals.The emulsion also has a hydrocarbon solvent having a high kauri-butanol number if the organic peroxide has a substantial amount of aromaticity and a low kauri-butanol number if the organic peroxide has little or no aromaticity and one or more nonioic emulsifiers and at least about 20 weight percent of water.

Abstract: An aqueous emulsion of an organic peroxide that is liquid at a temperature of 20.degree. C. and that is insoluble or has limited solubility in water is provided that has improved shelf-stability, shear-stability and process stability and has good dilutability and has a particle size of around 1.5 microns or less. The emulsion has from about 1 weight percent of the emulsion to about 70 weight percent of the emulsion of an organic peroxide that is a liquid at 20.degree. C. and in particular that has a half-life exceeding 60 hours at 212.degree. F. (100.degree. C.) and 20 minutes at 300.degree. F. (149.degree. C.) The emulsion also has about 0.005 to about 15 weight percent of the emulsion of a nonionic emulsifier blend. The emulsifier blend has three emulsifiers selected from polyalkylene glycol ethers, dialkylaryl polyether alcohols, and polyoxy-propylene-polyoxyethylene condensates and the like nonionic emulsifiers having a particular HLB range for each of the three emulsifiers.

Abstract: An aqueous emulsion of an organic peroxide that is liquid at a temperature of 20.degree. C. and that is insoluble or has limited solubility in water is provided that has improved shelf-stability, shear-stability and process stability and has good dilutability and has a particle size of around 1.5 microns or less. The emulsion has from about 10 weight percent of the emulsion to about 70 weight percent of the emulsion of an organic peroxide that is a liquid at 20.degree. C. and in particular that has a half-life exceeding 60 hours at 212.degree. F. (100.degree. C.) and 20 minutes at 300.degree. F. (149.degree. C.). The emulsion also has about 0.005 to about 15 weight percent of the emulsion of a nonionic emulsifier blend. The emulsifier blend has three emulsifiers selected from polyalkylene glycol ethers, dialkylaryl polyether alcohols, and polyoxy-propylene-polyoxyethylene condensates and the like nonionic emulsifiers having a particular HLB range for each of the three emulsifiers.

Abstract: A thermoplastic resin composition prepared by adding, to a vinyl chloride resin composition or its homologous series resin composition, a glycerin ester represented by the following formula: ##STR1## wherein R.sub.1, R.sub.2 and R.sub.3 represent each an acyl group or a hydrogen atom, said acyl group comprises one having 2 carbon atoms and one consisting mainly of those having 10 to 14 carbon atoms, the acyl group having 2 carbon atoms is present in an amount, on the average, of up to 2 mol per mol of glycerin, the acyl group consisting mainly of those having 10 to 14 carbon atoms are present in an amount, on the average, of at least 0.9 mol per mol of glycerin and the total amount of the acyl groups is, on the average, 2.7 to 3.0 mol per mole of glycerin.

Abstract: A composition adapted for processing into stretch wrap film. The composition comprises between about 40 and about 90% by weight of a high molecular weight copolymer of ethylene and vinyl acetate containing between about 4 and about 25% by weight of repeating units derived from vinyl acetate and having a melt index of between about 0.1 and about 4.0. The composition further comprises between about 8 and about 55% by weight of a linear copolymer of ethylene and a higher alkene. Such linear copolymer has a specific gravity of between about 0.917 and about 0.945. The invention further includes stretch wrap film, a method of producing stretch wrap film of differential cling properties, and a composite film constituted of a layer of the aforesaid ethylene vinyl acetate copolymer and a layer of the linear copolymer of ethylene and a higher alkene.

Abstract: Pressure sensitive adhesive compositions are provided that are especially suitable for forming contact bonds that are resealable to polyethylene surfaces at room temperature. Such adhesive compositions include a blend of a linear or a radial block copolymer, an end-block modifying resin compatible with the end or thermoplastic block of the copolymer and incompatible with the mid of elastomeric block, a plasticizing process oil compatible with the mid or elastomeric block, and, only if desired, not more than about 14 weight percent of a mid block or elastomeric block associating or modifying resin compatible with the mid or elastomeric block and incompatible with the end or thermoplastic block. A particularly advantageous utilization of these compositions is as a releasable and resealable sealing strip for thin-walled storage or sandwich bag products made of a polyolefin film.

Abstract: A container closure having a sealing liner comprising a vinyl chloride-type resin is provided which has excellent sealing properties, openability and hygienic characteristics. The liner is composed of a composition, especially a plastisol composition, comprising 100 parts by weight of the vinyl chloride-type resin and 35 to 200 parts by weight of a mixed fatty acid ester of glycerin derived from glycerin, at least one saturated or unsaturated fatty acid component having an even number of carbon atoms between 6 and 24 and at least one acetic or butyric acid component, such as a diacetyl higher fatty acid glyceride. A method for producing the container closure is also provided.

Abstract: An aqueous emulsion of an organic peroxide that is liquid at a temperature of 20.degree. C. and that is insoluble or has limited solubility in water is provided that has improved shelf-stability, shear-stability and process stability and has good dilutability and has a particle size of around 1.5 microns or less. The emulsion has from 1 weight percent of the emulsion to about 70 weight percent of the emulsion of an organic peroxide that is a liquid at 20.degree. C. and in particular that has a half-life exceeding 60 hours at 212.degree. F. (100.degree. C.) and 20 minutes at 300.degree. F. (149.degree. C.) The emulsion also has about 0.005 to about 15 weight percent of the emulsion of a nonionic emulsifier blend. The emulsifier blend has three emulsifiers selected from polyalkylene glycol ethers, dialkylaryl polyether alcohols, and polyoxy-propylene-polyoxyethylene condensates and the like nonionic emulsifiers having a particluar HLB range for each of the three emulsifiers.

Abstract: Methyl methacrylate-butadiene-styrene polymer impact modifiers are improved by mixing them with about 0.01 to 5 percent by weight of a compound of the formula ##STR1## wherein R.sub.1 and R.sub.2 are C.sub.1 to C.sub.4 alkyl, R.sub.3 and R.sub.4 are H, C.sub.1 to C.sub.4 alkyl, or 4'-hydroxy-2'-R.sub.2 -5'-R.sub.1 -phenyl. Polyvinyl chloride (PVC) is mixed with the improved impact modifiers and has improved dispersion and resistance to discoloration.

Abstract: Combination of solvent solutions of chemically modified asphalts and oil based paints compatible therewith are disclosed as coating materials.

Abstract: Pharmaceutical coatings in the form of aqueous dispersion of a water insoluble polymer prepared by dissolving the polymer in a water immiscible organic solvent, emulsifying the organic solution in water, optionally with the aid of additives, and stripping the organic solvent from the system to provide a colloidal, or near colloidal, aqueous dispersion or latex of small, even sized polymeric particles which are applied to pharmaceutical dosages from highly loaded latices. The latexes, which display resistance to bacterial and mold growth and, when combined with selected additives, provides convenient, attractive coating compositions which afford excellent protection and varied release properties to pharmaceutical dosages.