Abstract: Microporous waterproof and moisture vapor permeable products are described which are formed from a matrix having an internal microstructure which is coated with a hydrophobic material. A process is described including the steps of (1) applying to the surface of the matrix a liquid hydrophobic material, (2) allowing the liquid to penetrate into the microstructure and then (3) drying, vulcanizing or curing the product.

Abstract: Polyethylene films having improved diecutability and compositions for the production thereof comprise from approximately 75% to about 95% of a polyethylene polymer and from about 5% to about 25% of a calcium carbonate filler. Preferably, the calcium carbonate filler comprises polybutylene and solid calcium carbonate having a particle size less than about 3.0 microns. The film produced from the composition is from approximately 1 mil to about 10 mils in thickness. The film can be produced using conventional blown film technology and equipment and has improved diecutability and printability. Thus, the film is readily adaptable to the production of diecut labels.

Abstract: A composition suitable for use in producing tire treads, is provided. The composition comprises a halogen-containing copolymer of a C.sub.4 to C.sub.7 isomonoolefin and a para-alkylstyrene; a rubber, such as, styrene-butadiene rubber, carbon black, and a plasticizer oil. Tires comprising treads made of the composition are also provided.

Abstract: A flame retardant and smoke suppressed polymeric composition comprising a radiation curable copolymer of ethylene and vinyl acetate containing 50-85% by weight of vinyl acetate having intimately admixed therewith a flame retarding and smoke suppressing amount of a finely divided filler mixture consisting essentially of a first filler selected from hydroxides and carbonate of di- and tri-valent metals and a second filler which is zinc borate, the composition may be shaped into a desired article, such as a sheath of an electric wire, which may be radiation cured.

Abstract: A flame retardant comprising a mixture of 10 to 90% by weight of powder A and 90 to 10% by weight of powder B of magnesium hydroxide, the powder A containing 40 to 70% by weight of a powdered double salt of magnesium carbonate and calcium carbonate and 60 to 30% by weight of powdered basic magnesium carbonate; and a flame-retardant resin composition comprising 100 parts by weight of a thermoplastic resin and 30 to 300 parts by weight of the flame retardant. Preferably, the double salt is huntite, and the basic magnesium carbonate consists essentially of hydromagnesite. It is preferred to treat the flame retardant, in the form of a powder mixture, with a surface treatment agent. The flame-retardant resin composition is adapted for use as a sheath or insulation for an electric wire or cable, a fire-arresting material, or a wall material.

Abstract: The solid marking composition of the invention includes from about 15% up to about 50% by weight of a polyethylene resin component having a specific gravity in the range of from about 0.95 up to about 0.96. In addition, the composition of the invention includes from about 20% up to about 55% by weight of a compatible plasticizer, and from about 3% up to about 20% by weight active material of a pigment. Optionally, the composition may include a pigment dispersing agent, such as a fatty acid. Further additives which may advantageously employed include extenders or fillers, oxidation stabilizers, UV stabilizers, and mold release agents. The composition of the invention is fabricated into marking instruments having unexpectedly improved eraseability, ease of application, barrel breaking strength, and tip breaking strength, while eliminating bloom entirely.

Abstract: The invention provides high impact resistant heat formable composites comprising an addition polymer or copolymer, a metal oxide or metal carbonate filler and oriented thermoplastic elastomeric fibers.

Abstract: Cast ceiling tile requires a particular rheology of its wet formulation for the dried tile to have a desired aesthetic appearance. The use of a latex binder rather than starch for cast ceiling tiles imparts the necessary rheological properties to the wet ceiling tile formulation. The tile is prepared by blending mineral wool with a premixture of water, latex, and filler, said premixture having a sharp yield point when measured with a recording Brookfield Viscometer. The latex is an alkali-swellable latex comprising (i) a C.sub.3 -C.sub.8 .alpha.,.beta.

Abstract: An injection moldable ceramic composition is prepared by mixing a sinterable powder, a polyacetal binding agent and silicon carbide whiskers which have been coated with a polyacetal resin.

Abstract: The present invention relates to polypropylene resin compositions that exhibit an improved smell over prior art polypropylene resin compositions and comprises a polypropylene resin containing an inorganic filler, at least one phenolic antioxidant, at least one phosphorus antioxidant, and fine powders comprising aggregates of intimately bonded particles comprising zinc oxide, titanium dioxide and water.

Abstract: The present invention relates to an underseal composition for motor vehicles, comprising a finely divided vinyl chloride homopolymer, copolymer, terpolymer or graft polymer, a plasticizer, a stabilizer, and a filler comprising calcium carbonate particles, wherein at least a part of said filler is provided with a surface coating formed by a surface treatment agent which comprises an unsaturated monocarboxylic acid or fatty acid having from 4 to 14 carbon atoms, or a salt thereof. The underseal composition has improved rheological properties.

Abstract: A coating exhibiting superior resistance to petroleum products and an absence of known carcinogens as well as a method of preparing same is the subject of the present invention. The coating comprises a combination of a water slurry of filler material to which a latex polymer and coupling agent have been added together with a polyphenyl compound to which plasticizer and surfactant have been added. The water slurry comprises 40-60 weight percent water, 15-35 weight percent filler, 1-10 weight percent latex polymer, 0-2.0 weight percent coupling agent and up to 1 percent by weight colorant. The binder base comprises 10-50 weight percent tertiary or higher polyphenyls, 1-6 percent by weight compatible plasticizer, and 0.05 to 1.0 weight percent nonionic high molecular weight polyester surfactant and is heated. After heating, the binder base and water slurry are combined to form the composition of the invention. A thickener, adhesion promoter and bacteriostat may be added to the product.

Abstract: A flame-retardant olefinic resin composition comprising(a) at least one ethylene copolymer selected from the group consisting of ethylene-.alpha.-olefin copolymers, ethylene-ethyl acrylate copolymer and ethylene-methyl methacrylate copolymer,(b) a silane-grafted polymer obtained by grafting a silane to an olefinic resin,(c) a maleic acid or maleic anhydride derivative of a polyethylene, an ethylene-vinyl acetate copolymer or an ethylene-.alpha.-olefin copolymer,(d) (i) an ethylene-ethyl acrylate-maleic anhydride copolymer or an ethylene-methyl methacrylate-maleic anhydride copolymer, or (d) (ii) a silicone-modified polymer obtained by graft-polymerizing a reactive polyorganosiloxane to a thermoplastic resin, or (d) (iii) a mixture of (d) (i) and (d) (ii).

Abstract: A resin composition excellent in impact resistance, rigidity and coatability properties, is easily moldable without causing voids and flow marks, and is suitable for the manufacture of automobile bumpers, which has a melt flow rate of not lower than 10 g/10 min. and which comprises:(A) 60 to 85 parts by weight of a crystalline propylene/ethylene block copolymer component having an ethylene unit content of 10 to 30 mole % and a melt flow rate of 10 to 30 g/10 min. (Comopnent A),(B) 5 to 20 parts by weight of an non-crystalline ethylene/alpha-olefin random copolymer component having an ethylene unit content of 60 to 85 mole %, a melt flow rate of 0.1 to 5.0 g/10 min and a crystallinity, measured by X-ray, of not more than 15% (Component B), and(C) 8 to 15 parts by weight of a talc or calcium carbonate component having an average particle size of 0.1 to 5 .mu. (Component C), in which values by the "parts by weight" are selected so as to amount to 100 parts by weight in total.

Abstract: A novel molding composition is described which prevents plateout of pigment on the surface of a mold or shaping apparatus during the molding or shaping operation. The composition has improved thermal and oxidation stability as well as increased compatibility of the components of the composition. The composition comprises a thermoplastic resin, a fluorescent pigment, a metal salt or complex, polymer or oligomer reagent containing a reactive functionality and other conventional additives. The composition is useful in preparing such molded articles as films, bottles, closures, furniture and toys.

Abstract: There is disclosed a thermoplastic resin composition comprising a blend of100 parts by weight of a resin composition composed of 1 to 99% by weight of a polypropylene type resin (C) selected from the group consisting of a modified polypropylene (A) obtained by graft copolymerizing an unsaturated carboxylic acid or a derivative thereof and an unsaturated aromatic monomer onto polypropylene, and a composition composed of the modified polypropylene (A) and a polypropylene (B), and 99 to 1% by weight of at least one saturated polyester resin (D),0.1 to 300 parts by weight of an epoxy group containing copolymer (E),0.

Abstract: A method of mixing filled thermoplastic resins containing particles of resin and filler. The method comprises preheating to about 150 degrees to 250 degrees F., at least the resin particles, and thereafter mixing until plasticized. The filler may also be preheated between 150 degrees and 350 degrees F. This method reduces the mixing time and improves the characteristics of the product.

Abstract: The present invention pertains to a process for cleaning polymeric processing equipment. The process comprises purging the polymer processing equipment with a composition comprising a polymer, a mild abrasive and a sulfonated surfactant.

Abstract: The prerequisites for the injection moulding from thermoplastic material of container lids with a tear-up opening arrangement which is to function well on opening as well as on reclosing are improved through the use of a modified thermoplastic containing inert filler in a quantity of 10-15% of the weight of the mixture. Such a modified thermoplastic is manufactured by heating a thermoplastic, known in itself, e.g. polyethylene, to melting temperature with simultaneous admixture of the filler. The mixture is mechanically processed for a good distribution of the filler in the melted plastic mass which thereafter is cooled to form the modified thermoplastics.

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 a zinc borate or barium borate.

Abstract: An eraser comprises a styrene thermoplastic elastomer as a matrix with a hydrocarbon resin and a polyolefin included therein. The styrene thermoplastic elastomer is selected from the group which consists of styrene-butadiene copolymers, styrene-isoprene copolymers, styrene-ethylene-butylene copolymers and styrene-ethylene-propylene copolymers, and the hydrocarbon is a terpene resin or hydrogenated terpene resin, and the polyolefin is polyethylene or polypropylene.

Abstract: A halogen-free filled elastomer blend composition, containing at least two elastomers from the group: elastomeric ethylene-propylene copolymers and terpolymers, polyamide elastomers, elastomeric polyesters, isobutylene polymers, polyurethane elastomers, acrylic elastomers, natural rubber, polybutadiene and polyisoprene, as minor components, and a flame-retardant halogen-free inorganic filler as the major component.

Abstract: The printability of paper is improved by applying an aqueous coating agent consisting of(a) 100 parts by weight of a finely divided pigment,(b) from 5 to 70 parts by weight, based on solids, of a cationic aqueous polymer dispersion of a paper size and(c) from 0.01 to 10 parts by weight of a surfactant which interferes with the formation of the surface size and/or of a polymeric dispersantin an amount of from 0.5 to 4 g/m.sup.2 to one or both surfaces of the paper and drying the coated paper.

Abstract: Ethylene-acrylic acid type interpolymer compositions and films having increased slip and reduced block. A compositionally uniform interpolymer is compounded with at least one amide additive of the formula R.sub.1 --CO--NH--R.sub.2 in which R.sub.1 is selected from saturated alkyl groups having from 13 to 25 carbon atoms and mono-olefinically unsaturated alkyl groups having from 17 to 23 carbon atoms and in which R.sub.2 is selected from saturated alkyl groups having 14 to 26 carbon atoms and mono-olefinically unsaturated alkyl groups having from 18 to 24 carbon atoms; and optionally, finely divided inorganic. In another embodiment, a compositionally uniform or a compositionally non-uniform interpolymer is compounded with: (i) about 0.025-1 weight percent of saturated secondary fatty acid amide; (ii) about 0.025-1 weight percent of unsaturated or mixed unsaturated secondary fatty acid amide; and optionally (iii) about 0.025-1.5 weight percent of finely divided inorganic.

Abstract: Coherent thermoplastic aggregates with very high content of pulverized mineral materials, composed of the said materials, of polyolefin polymers and/or copolymers, and possibly also of various familiar adjuvants, characterized by the fact that, in order for them to have both a volumetric mass close to or at most equal to the theoretical volumetric mass of the pulverized mineral substances entering into their composition and an excellent compatibility with redispersion polymers, the polymers and/or copolymers entering into the composition of the said aggregates in presence of a fluidizing agent are chosen within the group of thermoplastics with melting and/or softening point at least equal to 60.degree. C. and index of fluidity at least 50 (measured according to the standard ASTM D 1238) of the polyolefin type, other than those containing a polar monomer.

Abstract: A non-toxic rubber-based composition for use in manufacturing toys which contains styrene butadiene rubber, naphthene oil, ester gum, calcium carbonate and a coloring agent, and a method for making same.

Abstract: An improved stabilizer concentrate for use in stabilizing polymeric blend compositions which comprise a thermally sensitive interpolymer. The stabilizer concentrate comprises a carrier resin, and a stabilizing agent capable of stabilizing a thermally sensitive interpolymer. The improvement comprises employing a carrier resin having a viscosity such that the stabilizer concentrate has a viscosity of less than 60 percent of the viscosity of the polymeric blend composition.

Abstract: The present invention is based upon the discovery that a styrene-butadiene composition contatining about 0.1 to 10 weight % of a monoester of maleic acid or fumaric acid provides improved bonding strength. In addition, small amounts of a functional monomer can also be included.

Abstract: Cast ceiling tile requires a particular rheology of its wet formulation for the dried tile to have a desired aesthetic appearance. The use of a latex binder rather than starch for cast ceiling tiles imparts the necessary rheological properties to the wet ceiling tile formulation. The tile is prepared by blending mineral wool with a premixture of water, latex, and filler, said premixture having a sharp yield point when measured with a recording Brookfield Viscometer. The latex is an alkali-swellable latex comprising (i) a C.sub.3 -C.sub.8 .alpha.,.beta.

Abstract: An amorphous polyester composition according to the present invention comprises (A) a low crystalline polyolefin modified with unsaturated carboxylic acids, (B) an amorphous polyester, (C) a silane coupling agent and (D) an optional inorganic filler, wherein (A) forms a matrix phase and (B) forms a domain phase. This amorphous polyester composition has excellent adhesion properties to different materials such as metal and has excellent damping performance, and therefore a damping material having excellent initial adhesion properties and water-resistant adhesion properties and excellent damping performance, particularly at high temperatures can be obtained from such an amorphous polyester composition.

Abstract: Chlorine-containing polymer containing (a) at least one compound of the formula I ##STR1## in which R.sup.1 is hydrogen, C.sub.1 -C.sub.4 -alkyl, C.sub.5 -C.sub.6 -cycloalkyl, phenyl or phenyl which is substituted by C.sub.1 -C.sub.4 -alkyl or halogen, n is 1 or 2 and, if n is 1, R is C.sub.1 -C.sub.20 -alkyl, C.sub.1 -C.sub.20 -alkyl which is substituted by --OH or --SH, C.sub.2 -C.sub.20 -alkyl which is interrupted by ##STR2## phenyl, phenyl which is substituted by C.sub.1 -C.sub.4 -alkyl, benzyl, benzyl which is substituted by C.sub.1 -C.sub.4 -alkyl, C.sub.5 -C.sub.6 -cycloalkyl or --NR.sup.2 R.sup.3 in which R.sup.2 and R.sup.3 are identical or different and are as defined for R.sup.1, and, if n is 2, R is a direct bond, C.sub.1 -C.sub.10 -alkylene, C.sub.1 -C.sub.10 -alkylene which is substituted by phenyl, benzyl, --OH, C.sub.1 14 C.sub.4 -alkoxy, C.sub.1 -C.sub.20 -acyloxy, phenylsulfonyl or C.sub.1 -C.sub.4 -alkylsulfonyl or C.sub.2 -C.sub.10 -alkylene which is interrupted by ##STR3## in which R.sup.

Abstract: Filled thermoplastic compositions are disclosed. The compositions comprise (a) 30 to 90 parts of homopolymers of ethylene and/or copolymers of ethylene and C3-C10 alpha-olefins, (b) 10 to 70 parts of homopolymers of ethylene and/or copolymers of ethylene and C4-C10 alpha-olefins modified by grafting with ethylenically unsaturated carboxylic acids or anhydrides thereof, the blend of (a) and (b) having a melt index of less than 15 dg/min. and (c) 20 to 70 percent, based on the amount of (a) and (b) of a filler. The filler is selected from magnesium hydroxide, calcium hydroxide, aluminum trihydrate and hydroxyl-containing carbonates of at least one of magnesium and calcium, and mixtures thereof. The compositions exhibit a useful combination of stiffness and toughness, especially as measured by impact strength and tensile strength.

Abstract: Thermoplastic compositions of matter useful as gasketing materials as well as flexible boots and seals which are soft, have low compression set and high tensile. The compositions comprise a polyolefin resin and at least two different rubbers, one of which is vulcanized to a fully cured state by a cure system which leaves the other rubber(s) unvulcanized. The preferred embodiment comprises a blend of polypropylene and ethylene vinylacetate as the polyolefin resin component, EPDM as the uncured rubber component and a ZnO cured halogenated butyl rubber. In another embodiment of the invention, the resin is excluded and the uncured rubber is a high crystallinity EPDM.

Abstract: A thermoplastic mass passed between rollers consisting of a mixture, the essential components of which are: from 4 to 60% in weight of an oil having a saturate content, as determined by ASTM D 2007, below 15% in weight and with a high aromatic content; from 1 to 50% in weight of chlorinated polyethylene, having a chlorine content lying between 20 and 95% in weight; and from 20 to 90% in weight of fillers.

Abstract: Grinding agent based upon acrylic polymers and/or copolymers for aqueous suspension of coarse mineral materials for applications in pigments.Grinding agent for aqueous suspensions of mineral materials intended for application in pigments, consisting of an acid acrylic polymer and/or copolymer which is partially neutralized by at least one neutralizing agent having at least one monovalent function.The grinding agent according to the invention is applicable more particularly to the preparation by grinding of mineral materials such as calcium carbonate, dolomites, calcium sulphate, kaolin, titanium dioxide, intended for pigmentary applications as varied as paper coating, pigmentation of paints, fillers of rubbers or synthetic resins or matting synthetic textiles.

Abstract: The present invention provides a process for the preparation of polymer modified asphalt compositions.

Abstract: Blends of crystalline and amorphous polymers are utilized to form uncured thermoplastic elastomer compositions which have good properties such as processability, tensile strength, tear strength, good weatherability, good friction, and especially low deformation at high temperatures as about 180.degree. F. The thermoplastic elastomer composition contains amorphous ethylene-propylene type rubber, crystalline ethylene-propylene type rubber, and crystalline olefins such as polyethylene. The crystalline polymers generally impart the necessary thermoplasticity for melt processing, and the like.

Abstract: Polyethylene terephthalate scrap material containing on its surface a chlorine-containing polymer such as, for example, polyvinylidene chloride or polyvinyl chloride, can be recovered and reused by melt-blending it with a polymer from a defined class of ethylene copolymers containing an epoxy group, and melt processing the blend in the same manner as virgin polyethylene terephthalate. The recovered and reprocessed polymer material has good physical properties and barrier properties.

Abstract: Viscoelastic constrained layer vibration damping composition having a shear storage modulus of 500.+-.100 psi consisting essentially of about 100 parts by weight of a butyl rubber having a glass transitional point temperature of -50 degrees F..+-.15 degrees, 100 parts by weight of a nitrile rubber having a glass transitional point temperature of 60 degrees F..+-.15 degrees, 50 parts by weight of a thermoplastic polymer having a glass transitional point temperature of 130 degrees F..+-.15 degrees, 45 parts by weight of a plasticizer, and 50 parts by weight of a powdered filler.

Abstract: A novel molding composition is described which prevents plateout of pigment on the surface of a mold or shaping apparatus during the molding or shaping operation. The composition has improved thermal and oxidation stability as well as increased compatibility of the components of the composition. The composition comprises a thermoplastic resin, a fluorescent pigment, a metal salt or complex, polymer or oligomer reagent containing a reactive functionality and other conventional additives. The composition is useful in preparing such molded articles as films, bottles, closures, furniture and toys.

Abstract: The unequal porosity and different textures of a drywall reinforced with joint tape and joint compound are concealed by a paint made from a low cost, easily dispersible powder in which the pigment volume concentration is about 70% to about 75%. A vinyl acetate/ethylene copolymer serves as the principle binder and a water soluble cellulose ether thickens the water dispersion of kaolin, attapulgus clay, mica, sodium potassium aluminum silicate and calcium carbonate.

Abstract: An anaerobically curable composition having a good stability and suitable for use primarily as an adhesive, which comprises a radically polymerizable acrylate and/or methacrylate monomer, and a naphthyl azoxine. The composition is satisfactorily stable even if a large amount of an inorganic filler is used therein.

Abstract: Coherent thermoplastic aggregates with very high content of pulverulent mineral materials, said aggregates comprised of the said mineral materials, further of polyolefin polymers and/or copolymers, and possibly additionally of miscellaneous known additives; characterized in that, with the aim of achieving a density near to or at most equal to the theoretical density of the pulverulent mineral materials entering into their composition, while still having excellent compatibility with the polymers of redispersion, i.e., the polymers into which the subject aggregates are to be mixed, the interparticle voids between the grains of the mineral materials, which grains are basically in contact with each other, are at most filled--in the presence of a fluidifacient agent--by at least one polyolefin polymer and/or copolymer having a fusion temperature and/or softening temperature at least equal to 60.degree. C., and having a fluidity index (ASTM 1238) of at least 50.

Abstract: Tough, stain-resistant microwave cookware can be fabricated from an injection-moldable thermoformable blend, comprising:A. a thermoformable interpolymer, comprising at least one unsaturated dicarboxylic acid compound polymerized with at least one vinyl monomer, in an amount between about 25 and about 75 weight % based on the weight of the unfilled blend, andB. at least one thermoformable polymer, selected from the group consisting of polycarbonates (including polyestercarbonates), poly(aryl ether sulfone) resins, polyarylates, and polyetherimides in an amount between about 75 and about 25 weight % based on the weight of the unfilled blend.

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 carbonate.

Abstract: Toughened thermoplastic polyester compositions comprising 60-97 weight % of a polyester matrix resin and 3-40 weight % of an ethylene copolymer such as ethylene/methylacrylate/glycidyl methacrylate.

Abstract: Peroxide vulcanizable chlorinated polyethylene compositions can, after being press cured at a temperature of 204.degree. Centigrade for a period of ten minutes, withstand ozone-induced cracking for a period of 168 hours or more when elongated 60% and exposed to 200 parts of ozone per hundred million parts of air at a temperature of 400.degree. Centigrade.

Abstract: The unequal porosity and different textures of a drywall reinforced with joint tape and joint compound are concealed by a paint made from a low cost, easily dispersible powder in which the pigment volume concentration is about 70% to about 75%. A vinyl acetate/ethylene copolymer serves as the principle binder and a water soluble cellulose ether thickens the water dispersion of kaolin, attapulgus clay, mica, sodium potassium aluminum silicate and calcium carbonate.

Abstract: A propylene polymer composition comprising (A) a modified propylene polymer obtained by treating: (1) 100 parts by weight of a propylene polymer or a mixture of a propylene homopolymer and a ethylene-propylene copolymer rubber, with (2) 0.1 to 50 parts by weight of an organic compound having at least one unsaturated bond in the molecule and a hydroxyl group and (3) 0.01 to 20 parts by weight of an organic peroxide; and (B) a propylene polymer, wherein content of the component (A) in the composition is 5 to 50% by weight. This composition may further contain one or more of (C) an amorphous ethylene-propylene copolymer having a propylene content of 20% to 50% by weight and a Mooney viscosity ML.sub.1+4 at 100.degree. C. of 20 to 100, (D) a high-density ethylene copolymer having a density of 0.935 g/cm.sup.3 or more, (E) a linear low-density ethylene copolymer having a density of not less than 0.900 g/cm.sup.3 but less than 0.935 g/cm.sup.2, a melting point of 106.degree. C. to 130 C., a melt flow rate of 0.

Abstract: New blends of ethylene/carboxylic acid copolymers with high density polyethylene and inorganic fillers such as calcium carbonate are disclosed and are useful for making films for skin packaging applications.