Abstract: A vinyl acetate-ethylene copolymer emulsion comprising an aqueous colloidal dispersion of a copolymer containing 65 to 90 wt % vinyl acetate and 10 to 35 wt % ethylene prepared by the emulsion polymerization of the monomers in the presence of a stabilizing system consisting essentially of an 86 to 90 mole % partially hydrolyzed polyvinyl alcohol, a 98 to 99+ mole % fully hydrolyzed polyvinyl alcohol, in a partially hydrolyzed polyvinyl alcohol:fully hydrolyzed polyvinyl alcohol weight ratio from 3:1 to 1:3, and a nonionic polyalkoxylated surfactant.Also disclosed is a carpet backing adhesive composition comprising such a vinyl acetate-ethylene copolymer emulsion, about 0.1 to 3 parts by weight dispersant, about 0.1 to 10 parts by weight thickening agent and between 300 and about 1000 parts by weight filler, all of the components being per 100 parts of the copolymer.

Abstract: A polypropylene-base resin composition comprising a polypropylene-base resin and carbon black in an amount of 0.01-0.6 wt. % based on the polypropylene-base resin and being suitable for use in the production of molded articles having excellent paintability.

Abstract: Vulcanizable elastomeric roof sheeting or flashing compositions comprising a vulcanizable elastomer, a metallurgical carbon and a vulcanizing agent are provided. The compositions may additionally contain conventional thermal or furnace type carbon blacks and other conventional rubber chemical additives. The compositions while lower in cost than elastomeric roof sheeting or flashing compositions containing conventional carbon blacks exhibit comparable physical properties in most instances.

Abstract: A fire-retardant resin composition comprising(A) 100 parts by weight of a member selected from the group consisting of the thermoplastic resins and the thermosetting resins,(B) about 1 to about 50 parts by weight of a halogen-containing organic fire retardant,(C) about 0.05 to about 10 parts by weight of a hydrotalcite having a BET specific surface area not exceeding about 30 square meters per gram, as a stabilizer, and(D) 0 to about 20 parts by weight of a fire-retarding assistant other than the fire retardant of (B), above.

Abstract: Pressure sensitive paper adhesive tape which is especially designed for use in libraries and archives to restore, preserve and assemble paper substrates such as books, documents, charts, drawings, engravings and the like. It contains a transparent to opaque base paper weighing 10-50 g/m.sup.2 which is coated on one side with a self-adhesive (self-sticking) material, and the coated side of the tape may be covered with a silicon-treated separating paper. The self-adhesive material composition consists essentially of:60-85 parts by weight of copolymerisates consisting essentially of from 50-90 wt. % acrylates whose alcohol component has 2 to 12 C atoms, and 10-50 wt. % styrene;5-20 parts by weight of alkali metal and/or alkaline earth metal salts of polyacrylic acids;3-15 parts by weight of primary softeners based on alkylbenzyl phthalates;5-15 parts by weight of alkylphenol polyglycol ethers; and1-4 parts by weight of calcium carbonate;wherein the total of all parts by weight amounts to 100.

Abstract: A polyolefin resin composition comprising a polyolefin modified with an unsaturated carboxylic acid, at least one member selected from the group consisting of polyepoxides, polyisocyanates, and polyamines, and a reinforcement.

Abstract: Novel esters in all possible isomeric forms or a mixture thereof having the formula ##STR1## wherein Y is selected from the group consisting of hydrogen, halogen, --OAlK and ##STR2## AlK is alkyl of 1 to 6 carbon atoms, n is 0, 1 or 2, Z is selected from the group consisting of --O-- and --S--, R.sub.1 is selected from the group consisting of (a) optionally unsaturated alkyl of 1 to 8 carbon atoms and optionally unsaturated cycloalkyl or cycloalkylalkyl of 3 to 8 carbon atoms optionally substituted with at least one member of the group consisting of halogen, --OH, --SH, --OR', --SR', ##STR3## --SO.sub.2 AlK.sub.2, --SO.sub.3 AlK.sub.3, aryl optionally substtuted with at least one member of the group consisting of --OH, alkoxy of 1 to 8 carbon atoms, alkyl of 1 to 8 carbon atoms, halogen, --CF.sub.3, --OCF.sub.3, --SCF.sub.3 and ##STR4## R' is alkyl of 1 to 8 carbon atoms, R" and R'" are individually selected from the group consisting of hydrogen and alkyl of 1 to 8 carbon atoms, AlK.sub.1, AlK.sub.2 and AlK.

Abstract: A filler-containing polypropylene resin composition is disclosed, comprising (a) from 30 to 90% by weight of a polypropylene resin, (b) from 2.5 to 38% by weight of an ethylene copolymer composed of from 82 to 98.7 mol % of ethylene, from 1 to 15 mol % of an ester selected from alkyl acrylate and alkyl methacrylates having from 1 to 8 carbon atoms in the alkyl moiety thereof and from 0.3 to 3 mol % of an unsaturated dicarboxylic acid anhydride, and (c) from 5 to 50% by weight of a filler. Molded products obtained from the composition have improved finishing properties, such as adhesion, coating properties, printability, and the like.

Abstract: A polyolefin molding composition which contains a very small amount of a specific calcium carbonate causes only very little corrosion on machines during processing.

Abstract: An integral seal member is formed across the outlet in the neck of a tamper evident, thermoplastic container by adding to the thermoplastic material such as polyethylene, 3% to 16%, and preferably about 8% by weight, of an anhydrous solid inorganic particulate additive such as an anhydrous siliceous material or calcium carbonate so that the material becomes brittle enough that the seal member tears cleanly from the neck within the confines of an undercut at the interface between the seal member and neck. Torque is applied to the seal member by providing in the top of a conventional screw cap which forms a resealing closure for the container once opened, a recess with serrations which, when the cap is removed and turned upside down, engage serrations on the peripheral edge of the seal.

Abstract: Viscoelastic plastics materials having a dynamic elasticity modulus of 10.sup.7 to 10.sup.10 Nm.sup.-2 and a loss factor of at least 5 are used for the manufacture of motor vehicle parts, such as wheel housing parts, instrument panels, and door panels, in order to reduce interior noise.

Abstract: An aqueous copolymer emulsion useful as a ceramic tile adhesive contains filler material, a zinc compound and an aqueous emulsion of a copolymer containing residues of an unsaturated aliphatic hydrocarbon monomer, an unsaturated monomer copolymerizable therewith and a small amount of residues containing carboxyl groups.

Abstract: A heat-resisting coating composition prepared by binding with modified silicone resin added with an aluminium chelate compound, pulverized inorganic material principally including a mixture of powder containing one kind selected from a group consisting of aluminium phosphate, zinc molybdate and calcium carbonate or a mixture of them, cleaving scale-shaped powder principally containing aluminium silicate or magnesium silicate, and metallic zinc powder; reveals excellent rust-preventing performance in a temperature range spreading from a low temperature to a high temperature, as a heat-resisting painting material for use on an exhaust pipe connected with a motor car engine. Upon applying said heat-resisting coating composition onto a metal surface, it is effective for enhancing adhesion to preliminarily form a group of fine protrusions having "turn-rounds" on the metal surface.

Abstract: This invention provides inorganic filler-containing polyolefine compositions with use of inorganic fillers together with novel coupling agents which are inexpensive and convenient to use.

Abstract: A thermoplastic, melt-processible, elastomeric composition based on partially crosslinked compatible blends of an ethylene copolymer and a vinyl or vinylidene halide polymer.

Abstract: A process for the preparation of soft porous sheets, comprises forming into a sheet a composition comprising (i) 40 to 80% by weight of an inorganic filler and (ii) 60 to 20% by weight of a polyolefin type thermoplastic elastomer composition comprising at least 50% by weight of a polyolefin type thermoplastic elastomer substantially free of a polar group, in which the tensile stress at a temperature of 25.degree. C. under 100% stretching (100% modulus) is 10 to 100 Kg/cm.sup.2, the elongation at break under stretching is at least 100% and the permanent strain under 100% stretching is less than 50% and up to 50% by weight of a thermoplastic plastomer, and stretching the sheet at a temperature lower than the softening temperature of the polyolefin type thermoplastic elastomer. A porous sheet obtained according to this process has a good combination of flexibility, air permeability and water resistance.

Abstract: A thermoplastic, melt-processible, elastomeric composition based on partially crosslinked compatible blends of an ethylene copolymer and a vinyl or vinylidene halide polymer.

Abstract: A stencil printing ink is described, comprising 0.5 to 20% by weight pigment, 5 to 30% by weight extender pigment, 0.5 to 5% by weight water-soluble polymer (the viscosity of its 10% aqueous solution is at least 40 cps), 3 to 15% by weight (calculated as solids) o/w type resin emulsion, 5 to 20% by weight polyhydric alcohol and water. This ink can produce printed images without being affected by printing conditions such as temperature and application pressure. Thus, it is suitably used in stencil printing for non-professional or unskilled people.

Abstract: A thermoplastic resin composition having a good balance between stiffness and impact resistance, a small degree of sagging of sheet during heating step in thermoforming and excellent deep drawing characteristics is disclosed. The composition comprises an olefin polymer composition, a styrene polymer, a thermoplastic styrene block copolymer rubber and an inorganic filler.

Abstract: This invention is directed to curable molding compositions containing a mixutre of a poly(acrylate), a polymerizable ethylenically unsaturated monomer which serves to crosslink the poly(acrylate) to a thermoset product, and a thermoplastic polymer low profile additive. The curable molding compositions exhibit improved shrink control during the curing reaction. This invention is also directed to fiber reinforced thermoset resin articles which exhibit generally improved surface appearance quality and can be produced by a rapid injection molding process from the curable molding compositions.

Abstract: Physical properties of filled polypropylene compositions are improved by using a calcium carbonate filler of bimodal particle size, e.g., a mean of 2 microns and a mean of 5 microns, and a polysiloxane additive. The compositions are useful as food containers.

Abstract: A glass-reinforced, fire-retardant, arc-track resistant polyamide composition characterized in that it contains:(a) at least 35% by weight of a fibre-forming polyamide,(b) 15% to 30% by weight of glass fibres or particulate fillers,(c) 17.5 to 27.5% by weight of melamine or melamine cyanurate,(d) 1 to 10% by weight of brominated fire retardants selected from a brominated polyphenylene oxide or a brominated epoxy resin, and(e) a synergist selected from zinc oxide, zinc borate, a mixture of zinc oxide and zinc borate and a mixture of antimony oxide and zinc borate, wherein the concentration of oxide present in the synergist is between 0 and 5%, the concentration of borate present is between 0 and 25% by weight, and the total weight of synergist is at least 1%, the weight percentages of the constituents (a), (b), (c), (d) and (e) totalling 100%.

Abstract: An inorganic filler containing propylene polymer composition which comprises 25 to 90% by weight of component (A) and 75 to 10% by weight of component (B):(A) at least one member selected from the group consisting of(a) a crystalline propylene copolymer composed of propylene and one or more other .alpha.-olefins;(b) a composition prepared by blending the copolymer (a) with a synthetic rubber and/or crystalline polypropylene; and(c) a composition prepared by blending a crystalline polypropylene with a synthetic rubber, wherein(1) the amount of xylene extractable soluble component at 23.degree. C. is 10 to 50% by weight, and(2) the propylene content in the extractable soluble component is 30% by weight or more,(B) an inorganic filler having an average particle size of 200.mu. or less, measured by light transmission in a liquid-phase sedimentation system.

Abstract: A reinforced, fire retardant, polyamide composition containing(a) at least 35% by weight of a fibre-forming polyamide,(b) 15 to 30%, by weight of glass fibres or particulate fillers,(c) 15 to 30%, by weight of melamine demi-sulphate,(d) at least 2.5%, by weight of a halogenated compound selected from the condensation product of 2 moles chlorocylopentadiene and 1 mole of 1,5-cyclooctadiene, brominated polystyrene, brominated polyphenylene oxide or a brominated epoxy resin, and(e) a synergist selected from at least one of zinc borate, zinc oxide and mixtures of antimony oxide and zinc borate, wherein the concentration of oxide present is between 0 and 5%, the concentration of zinc borate is between 0 and 25%, preferably between 2 and 15% by weight and the total weight of synergist is at least 1% by weight and wherein the weight percentages of the constituents total 100%.

Abstract: This invention relates to extrusion and injection moldable type elastomeric compositions having improved compression set properties and having a viscosity at 200.degree. C. at 0.73 sec.sup.-1 of about 8.times.10.sup.3 to about 8.times.10.sup.5 poises. The compositions used for elastomeric articles include a major portion of neutralized sulfonated EPDM terpolymer and a minor portion of an unsulfonated EPDM terpolymer or EP copolymer and optionally less than about 150 parts by weight of a non-polar process oil per 100 parts of the sulfonated polymer; less than about 300 parts by weight of a filler per 100 parts of the sulfonated polymer; and a preferential plasticizer at about 1 to about 60 parts by weight per 100 parts of the sulfonated elastomeric polymer.These blend compositions can be readily processed due to their superior rheological properties on conventional plastic fabrication equipment into elastomeric articles having improved compression set properties characteristics.

Abstract: A modified polyolefin composition having an excellent bonding property comprising (A) 10% to 80% by weight of a modified polyolefin resin prepared by modifying a non-modified polyolefin resin such as a polypropylene or ethylene-propylene copolymer with an organic unsaturated compound having a polar radical in the presence of an organic peroxide compound at an elevated temperature; (B) 5% to 50% by weight of a finely pulverized inorganic material such as calcium carbonate or talc; and (C) 10% to 80% by weight of a non-modified polyolefin resin.

Abstract: This invention is directed to curable molding compositions containing a mixture of a poly(acrylate); a polymerizable ethylenically unsaturated monomer which serves to crosslink the poly(acrylate) to a thermoset product; a crosslinkable vinyl monomer having a reactivity ratio (r.sub.1) with styrene of greater than one and at least one of the following: (i) a second crosslinkable vinyl monomer having a reactivity ratio (r.sub.1) with styrene of greater than one, (ii) an epoxy compound having at least one 1,2-epoxy group per molecule, and (iii) an unsaturated fatty acid ester; and a thermoplastic polymer low profile additive. The curable molding compositions exhibit improved shrink control during the curing reaction. This invention is also directed to fiber reinforced thermoset resin articles which exhibit generally improved surface appearance quality and can be produced by a rapid injection molding process from the curable molding compositions.

Abstract: Cured epoxy resins having reduced susceptibility to mechanical and thermal shock are prepared from a composition comprising a curable epoxide compound and elastomeric particles colloidally dispersed therein, the particles having been prepared by in situ polymerization in the epoxide compound in the presence of a stabilizer.

Abstract: A polyolefin resin composition comprising a modified polyolefin prepared by reacting a polyolefin with an unsaturated carboxylic acid in the presence of a catalyst including at least one member selected from the group consisting of ketal peroxides and dialkyl peroxides having a decomposition temperature necessary for attaining the half life of 10 hours of at least 80.degree. C., and a fibrous, powdery, or flaky reinforcement.

Abstract: A process for producing a resin foam by using an aqueous medium, which comprises(a) treating a resin compound with said aqueous medium to cause the aqueous medium to adhere to and be held by the resin compound, said resin compound being composed of porous agglomerated particles resulting from partial melt-adhesion of thermoplastic resin particles coated with a fine hydrophilic solid powder which does not substantially melt at the melting temperature of the resin particles, said solid powder being embedded in the resin particles but partly exposed at their surfaces,(b) melt-kneading the resin compound treated with the aqueous medium under such an elevated pressure that evaporation of the aqueous medium is substantially inhibited, and(c) thereafter releasing the kneaded resin composition from the pressurized state to foam it; and a thermoplastic resin compound used for the aforesaid process.

Abstract: An inorganic filler containing propylene polymer composition which comprises 25 to 90% by weight of component (A) and 75 to 10% by weight of component (B):(A) at least one member selected from the group consisting of(a) a crystalline propylene copolymer composed of propylene and one or more other .alpha.-olefins;(b) a composition prepared by blending the copolymer (a) with a synthetic rubber and/or crystalline polypropylene; and(c) a composition prepared by blending a crystalline polypropylene with a synthetic rubber, wherein(1) the amount of xylene extractable soluble component at 23.degree. C. is 10 to 50% by weight, and(2) the propylene content in the extractable soluble component is 30% by weight or more,(b) an inorganic filler having an average particle size of 200.mu. or less, measured by light transmission in a liquid-phase sedimentation system.

Abstract: Described herein is cookware made from a select polyarylethersulfone. The cookware can be used in essentially all cooking oven applications. Also described is a composition suitable for making cookware wherein the composition contains greater than 50 weight percent of the polyarylethersulfone.

Abstract: A resin composition for molding materials, said composition comprising(I) 100 parts by weight of a resin composition composed of(A) 5 to 95 parts by weight of a polyamide resin composed of 1 to 99% by weight of a polyamide resin obtained from xylylenediamine and an alpha, omega-linear aliphatic dibasic acid and 99 to 1% by weight of nylon 66, and(B) 95 to 5 parts by weight of a styrene-acrylonitrile copolymer containing 5 to 50 mole % of acrylonitrile as a copolymer component, and(II) 5 to 150 parts by weight of an inorganic filler.

Abstract: A polymeric composition having good hardness, stiffness and tear strength and good resistance to flex cracking, solvent attack and abrasion comprises a radial monoalkenyl arene-conjugated diene block copolymers, a linear low density polyethylene, hydrocarbon extending oil, polystyrene resin and a filler.

Abstract: Thermoplastic core-shell compositions having a rigid core, a rubbery acrylic shell and transition layer intermediate between the core and shell layers and formed of the core and shell monomer components have excellent elastomeric properties. Although the rigid and rubbery components include interreactive functional monomers, the resulting elastomers remain thermally processable in extrusion and injection molding equipment.

Abstract: Articles having leather-like appearance are obtained from compositions comprising 5-55% by weight of an ethylene interpolymer, such as ethylene/vinyl ester, ethylene/unsaturated mono- or dicarboxylic acids or esters of said unsaturated acids, ethylene/.alpha.-olefin copolymers, etc.; 1-15% by weight of at least one plasticizer selected from the group consisting of processing oils, epoxidized oils polyesters, polyethers and polyetheresters; 20-90% by weight of cellulosic filler or mixture of cellulosic filler and mineral filler; 0-10% by weight of at least one additive, such as organic acid, organic acid derivative and surface active agent; and 0-27.5% by weight of elastomeric polymer.

Abstract: Asbestos-free fibre reinforced sheet material comprises from 10 to 35% by weight of a cured elastomeric binder and from 20 to 70% by weight of glass fibres (including ceramic fibres, or mineral fibres or mixtures of these) surface treated with a composition which is readily soluble in the solvent used in compounding the elastomeric binder.

Abstract: The blocking characteristics of ethylene interpolymers containing --COOH groups are reduced by treating such polymers with a solution of an inorganic compound of a Group I-A metal such as trisodium phosphate and an organic compound of a Group I-A metal such as sodium acetate or a combination thereof.

Abstract: A resin composition comprising:(A) a polyphenylene oxide resin or a resin composition containing polyphenylene oxide, and(B) a copolymer of an olefin and glycidyl methacrylate and/or glycidyl acrylate.The aforesaid resin composition is excellent in processability, impact resistance and oil resistance as well as adhesiveness with inorganic fillers such as glass fiber, calcium carbonate, silica, titanium oxide, etc.

Abstract: Filled thermoplastic compositions useful, e.g., as sound-deadening sheeting for automotive carpet are obtained by blending about 5-55% by weight of ethylene/.alpha.-olefin copolymer, the .alpha.-olefin containing from 4 to 10 carbon atoms; about 2-12% by weight of plasticizer selected from the group consisting of processing oils, epoxidized oils, polyesters, polyethers and polyether esters; about 40-90% by weight of filler; and optionally elastomeric polymers.

Abstract: A relatively high melting point thermoplastic hot melt adhesive suitable for bonding a paper facing to glass fiber based insulating materials to produce good adhesion and superior water vapor barrier properties, containing in percent by weight:______________________________________ Microcrystalline Wax 8-12% Synthetic Polyethylene Wax 8-12% Hydrocarbon Resin 13-17% Ethylene-Vinyl Acetate 6-12% copolymer Calcium Carbonate Filler Up to 65% BHT antioxidant .002-.

Abstract: Filled thermoplastic compositions having enhanced elongation and useful, e.g., as sound-deadening sheeting for automotive carpet, are obtained by blending about 0-50% by weight of an ethylene interpolymer, such as ethylene/vinyl ester, ethylene/unsaturated mono- or dicarboxylic acids or esters of said unsaturated acids, etc.; 0-20% by weight of a plasticizer selected from the group consisting of processing oils, epoxidized oils, polyesters, polyethers, polyether esters and combinations thereof; about 40-90% by weight of filler; from about 0.05 to about 5.

Abstract: Filled thermoplastic compositions having enhanced elongation and useful, e.g., as sound-deadening sheeting for automotive carpet, are obtained by blending about 0-50% by weight of an ethylene interpolymer, such as ethylene/vinyl ester, ethylene/unsaturated mono- or dicarboxylic acids or esters of said unsaturated acids, etc.; 0-20% by weight of a plasticizer selected from the group consisting of processing oils, epoxidized oils, polyesters, polyethers, polyether esters and combinations thereof; about 40-90% by weight of filler; from about 0.05 to about 5.0% by weight of at least one surface active agent such as sulfonates, sulfates, phosphates, etc.; and optionally, modifying resins, such as tackifiers and certain ethylene and propylene homo- and copolymers.

Abstract: A moving coil loudspeaker having a cone (14) made of homopolymeric polypropylene which is stiffened by the incorporation of from 20% to 40% mineral filler such as talc or chalk, possibly also up to 5% carbon black filler, and preferably is additionally rigidified at the cone center by a stiffening ring (21) of nylon or like hard plastics material. A further feature of the invention resides in the provision of a metal former (22) carrying lapping paper (25) at the joint with the cone.

Abstract: There are provided polymeric compositions in sheet or film form adapted to transmit a large part of incident sunlight, a substantial part thereof by forward scattering, and to retain in an agricultural structure such as a greenhouse or tunnel-structure covered with such sheets a substantial part of IR radiation. The compositions comprise a polymer containing micron size particles of magnesium oxide and/or calcium carbonate.

Abstract: A non-volatile, anti-gel compound having a chain of at least about 5 repeat units of an alkylene oxide and which is soluble in olefin polymers, and an inorganic anti-block agent having a substantially neutral pH are added to a film grade transition metal catalyzed resin containing halide residues such as Ziegler-Natta catalyzed olefin polymer compositions to prevent: (1) gel streaking/pinstriping during film extrusion processes; (2) blocking of the extruded film; and (3) discoloration of the extruded film upon aging. The anti-gel compound has a molecular weight between about 200 and about 4,000,000 Daltons.

Abstract: A polypropylene composition comprising a crystalline polypropylene and a precipitated calcium carbonate which is subjected to a surface-treatment with a suitable dispersant, and has an average particle diameter of from 0.1 to 0.4.mu..

Abstract: Epoxy resin compositions are disclosed which have an exceptional capacity to penetrate tightly wound wire bundles such as tertiary coils in high voltage flyback transformers. The subject compositions are therefore useful for encapsulating such coils.

Abstract: Process for uniformly incorporating pigment into fine powder TFE polymers by premixing pigment and ammonium carbonate or bicarbonate, and then adding the mixture to a TFE polymer aqueous dispersion, followed by coagulating the pigment and TFE polymer.

Abstract: Solid copolymers are produced by copolymerizing a mixture of: (A) at least 30% by weight of a monomer having the formula: ##STR1## wherein R.sub.1 is H or CH.sub.3 and R.sub.2 is an alkyl radical containing from 1 to 14 carbon atoms; (B) from 3 to 20% by weight of an ethylenic .alpha.,.beta. unsaturated carboxylic acid or anhydride thereof, or from 3 to 40% by weight of glycidyl acrylate or glycidyl methacrylate; and (C) from 0 to 67% by weight of a monomer copolymerizable with said monomers (A) and (B). Preferably, the mixture is first bulk-polymerized until conversion to the copolymer is from 10 to 80% by weight and the polymerization is completed by suspension-polymerization. Thermosetting solid coating compositions are produced by mixing a major proportion of a solid copolymer so produced with a minor proportion of a cross-linking compound or with an epoxy resin containing at least 2 epoxy radicals in the molecule in presence of a tertiary amine curing accelerator.