Abstract: Disclosed are a polybutene-1 resin composition comprising a polybutene-1 resin and a Form-II to Form-I crystal transformation accelerator, and a method of accelerating the Form-II to Form-I crystal transformation comprising molding the polybutene-1 resin composition and allowing the molded product to stand at about 0 to 50.degree. C., the crystal transformation accelerator being an amide compound.

Abstract: Method of improving the crystallization rate and temperature of syndiotactic polypropylene by addition of at least one of polytetrafluoroethylene, sodium 2,2-methylene-bis-(4,6,di-tert-butylphenyl)phosphate)), pimellic acid, and calcium pimallate, and compositions and products made thereby.

Abstract: A polymeric composition in pellet form comprising a tacky hot melt composition, comprising a) from about 5% by weight to about 90% by weight of a thermoplastic polymer, b) from about 0% by weight to about 65% by weight of a tackifying resin, c) from about 0% to about 50% by weight of a plasticizer, d) up to about 2% by weight of an antioxidant, and a pelletizing aid, wherein the tacky hot melt composition has some minimum amount of tackifier or plasticizer and is a pressure sensitive adhesive having a storage modulus, G', at about 25.degree. C., of less than about 5.times.10.sup.6 dynes/cm.sup.2, and each pellet has a substantially tack-free surface.This invention further discloses a polymeric composition in pellet form suitable for molding articles. The composition comprises a tacky hot melt composition comprising at least one high molecular weight triblock copolymer of the general configuration A-B-A and a plasticizer and a pelletizing aid.

Abstract: The present invention provides a syndiotactic polypropylene resin composition of excellent moldability comprising 100 parts by weight of a syndiotactic polypropylene and 0.001-10 parts by weight of a diamine/monocarboxylic acid condensate and/or a diamine/monocarboxylic acid/polybasic acid polycondensate. The composition has excellent moldability, particularly, excellent releasability from mold in injection molding; excellent transparency; and good balanced mechanical properties.

Abstract: A polymeric composition in pellet form comprising a tacky hot melt composition, comprising a) from about 5% by weight to about 90% by weight of a thermoplastic polymer, b) from about 0% by weight to about 65% by weight of a tackifying resin, c) from about 0% to about 50% by weight of a plasticizer, d) up to about 2% by weight of an antioxidant, and a pelletizing aid, wherein the tacky hot melt composition has some minimum amount of tackifier or plasticizer and is a pressure sensitive adhesive having a storage modulus, G', at about 25.degree. C., of less than about 5.times.10.sup.6 dynes/cm.sup.2, and each pellet has a substantially tack-free surface.This invention further discloses a polymeric composition in pellet form suitable for molding articles. The composition comprises a tacky hot melt composition comprising at least one high molecular weight triblock copolymer of the general configuration A-B-A and a plasticizer and a pelletizing aid.

Abstract: A method of making paper in which dry chemical additives are incorporated into the pulp mixture by addition of an entire bag containing the additive directly to the mixture, the improvement being that the bag is sealed with an adhesive closure, the adhesive being a hot melt consisting essentially of a water dispersable polyamide prepared from a diacid component comprising in major portion an aliphatic diacid of 6 or fewer carbon atoms and a diamine component consisting of one or more compounds of the formula :H.sub.2 N--C.sub.y H.sub.2y --(OC.sub.2 H.sub.4).sub.x --O--C.sub.y H.sub.2y --NH.sub.2where y is 2 or 3 and x is 1-50 and a wax. Such bags will not leak in shipping and handling, and yet can be added directly to paper batches at ambient temperature in the manner of the unsealable bags employed in the prior art.

Abstract: Improved belt for a charged particle separation system, the belt being an extruded article made from a host polymer and additive composition. The host polymer and additive are selected to yield a belt with tailored properties such as wear resistance, creep, coefficient of friction, and charging properties.

Abstract: A releasable aqueous coating composition used for temporarily protecting a finished coating film coated on an automobile body. It contains (A) an aqueous acrylic resin obtained by copolymerizing a monomer mixture of a (meth)acrylic ester monomer as an essential component and other polymerizable unsaturated monomer, except for (meth)acrylonitrile, as an optional component, and having a glass transition temperature of 5.degree. to 30.degree. C. and a weight average molecular weight of 20,000 or more, (B) an ultraviolet light absorber, and (C) a water repellent material. A method of temporarily protecting the finished coating film on the automobile body by coating the releasable aqueous coating composition onto a surface of a finished cured coating film coated onto the automobile body.

Abstract: Disclosed are a process for producing a porous stretched article of .beta.-crystalline polypropylene-based resin, the process comprising the steps of crystallizing a melt of a polypropylene-based resin composition at a temperature of 15.degree. to 140.degree. C. to form a solidified product containing .beta.-form crystals and stretching the resulting solidified product at a temprature which is higher than 20.degree. C. but lower than the melting point of the .beta.-form crystals in said solidified product, the polypropylene-based resin composition comprising a polypropylene-based resin and 0.0001 to 5 parts by weight, per 100 parts by weight of the polypropylene-based resin, of at least one specific amide compound; and a porous stretched article produced by the process.

Abstract: Highly flexible articles having wall thickness of at least 0.01 inches are made from chlorine-free direct ethylene copolymers containing small amounts of selected known slip additives. Articles in the form of tubes or tubing have particular utility for replacement of PVC based tubing used in medical applications.

Abstract: The block resistance of pellets of copolymers of ethylene with acrylic or methacrylic acid is improved by addition of very low levels of certain defined liquid additives or water-soluble solid additives. This results in improved rates of pellet production, and in easier subsequent handling.

Abstract: Thermoplastic composition based on a crystalline polyester and a modified vinyl aromatic polymer. It comprises:from 50 to 97% by weight of at least one polymer phase (A) consisting of at least one terpolymer produced by grafting (a) at least one vinyl aromatic monomer and (b) at least one unsaturated nitrile onto (c) at least one rubber, the terpolymer being dispersed in a matrix of a copolymer comprising units derived from (d) at least one unsaturated nitrile and (e) at least one vinyl aromatic monomer, the overall composition of the polymer phase (A) being such that it contains from 17 to 35 parts of unsaturated nitrile, from 10 to 60 parts of rubber, and from 10 to 60 parts of vinyl aromatic monomer per 100 parts by weight of the polymer phase, andfrom 3 to 50% by weight of at least one high molecular weight polybutylene terephthalate (B).

Abstract: A thermoplastic resin composition having improved heat stability which comprises a thermoplastic resin which contains at least 5% by weight of an .alpha.-alkyl-substituted aromatic copolymer comprising .alpha.-alkyl-substituted aromatic vinyl compound and at least one other comonomer copolymerizable therewith, wherein the composition contains a metal-deactivating agent which has a molecular weight of not more than 2,000 and at least one group of the formula: ##STR1## or an organometallic colorant containing free metal in an amount of not more than 2,000 ppm, from which a molded article having no or less silver streaks can be produced.

Abstract: Disclosed herein is a food container of a resin composition composed of a polyolefin and an inorganic filler, said resin composition containing (i) a phenolic antioxidant and (ii) a slip agent and/or antistatic agent, said phenolic antioxidant being at least one kind selected from .beta.-(4-hydroxy-3-t-butyl-5-alkylphenyl)propionic acid esters, hindered phenols having an isocyanuric acid ester, 1,3,5-tris(3,5-di-t-butyl-4-hydroxybenzyl)-2,4,6-trimethylbenzene, specific phenol compounds, and 6-hydroxychroman compounds. The food container has a low level of offensive odors and discoloration.

Abstract: A container body for photographic film cartridge composed of a resin comprising more than 70 wt. % of polypropylene resin, 0.01 to 2 wt. % of a fatty acid amide lubricant, 0 to 1 wt. % of an antioxidant and 0.01 to 1 wt. % of an organic nucleating agent of which the surface has previously been treated with a stabilizer selected from the group consisting of aliphatic metal salts, metal salts of alkyl lactic acids and metal salts of lactic acid.The container body of the invention is excellent in dropping strength, transparency and odor. The injection moldability is also excellent, because of good resin fluidity and high crystallization temperature.

Abstract: The processability of blends of linear polyolefins (particularly HDPE or LLDPE) and condensation polymers (particularly nylon) into extrudates is improved by the addition of small amounts of a fatty acid derivative such as fatty acid amide. The addition of fatty acid derivative results in reduced extruder torque and gives extrudates with smoother surfaces.

Abstract: A color concentrate which comprises (a) one or more of polypropylene resins and propylene copolymers having a melt flow rate in the range of 0.1-100, (b) one or more of organic and inorganic pigments; and (c) one or more pigment dispersants selected from the group consisting of polyethylene wax, polypropylene wax and derivatives thereof, zinc stearate, magnesium stearate, aluminium stearate, calcium stearate and ethylene bisamide, the contents of (a), (b) and (c) being, respectively, 11-30 wt %, 10-80 wt % and 10-50 wt % based on the total of (a), (b) and (c); and molded or extruded articles of thermoplastic resins other than (a) colored with the color concentrate.

Abstract: There is disclosed an extrusion processing aid composition for the extrusion of polyolefins, particularly linear low density polyethylene and high density polyethylene films or sheets; polyolefin compositions containing said processing aid and a process of extruding polyolefins using said processing aid. The processing aid is a composition comprising (a) an amide of a saturated or unsaturated carboxylic acid or a saturated or unsaturated alkylene bis-amide of a saturated or unsaturated dicarboxylic acid; (b) an aliphatic hydrocarbon polymer mixture having a molecular weight of from about 400 to about 50,000; and (c) an oxygen-containing high density, low molecular weight ethylene polymer.

Abstract: Incorporation of an ethoxylated amine in a sodium benzoate nucleated propylene polymer resin synergistically improves clarity as well as yellowness over what is achieved by use of sodium benzoate or ethoxylated amine alone.

Abstract: A composition comprising an amorphous resin (excluding polyphenylene ether) and a specific diamide compound of the formula ##STR1## wherein R.sup.1, R.sup.2 and R.sup.3 are defined in the specification. The moldability of the amorphous resin is improved without reducing its heat resistance.

Abstract: An injection blow molding grade resin or improved clarity and processability is obtained by incorporating N,N.sup.1 -ethylene bisstearamide and an ethoxylated amine into a sodium benzoate nucleated propylene polymer.

Abstract: A method for reducing the incidence of lensing in films formed from a granular linear low density ethylene hydrocarbon copolymer resin by substituting silica alumina ceramic microspheres for all or part of the inorganic antiblock agent normally used in said compositions.

Abstract: An additive combination for improving the cold flow properties of distillate fuels comprises a combination of:(A) a distillate flow improver which is an ethylene containing polymer, preferably a copolymer of ethylene with unsaturated esters, e.g. vinyl acetate;(B) a hydrocarbon polymer of C.sub.2 to C.sub.30 olefin of number average molecular weight of 10.sup.3 to 10.sup.6 or derivatized version thereof, for example copolymers of ethylene and propylene, or polyisobutylene, which are used as lubricating oil V.I. improvers; and(C) a polar oil soluble compound which includes amides, salts, carboxylates, sulfonates, sulfates, phosphates, phenates and borates, having hydrocarbon solubilizing groups, for example salts and amides of polycarboxylic acid such as phthalic anhydride reacted with hydrogenated secondary tallow amine.

Abstract: A polyphenylene ether composition comprising polyphenylene ether or a composition containing polyphenylene ether and styrene resin, and a diamide compound represented by the following formula. ##STR1## This composition is improved in processability due to high flowability, with a minimum of decrease in heat resistance.

Abstract: Certain N,N'-ethylenebisamides and N,N'-diadipamides added to ethylene/vinyl acetate dipolymers, terpolymers of ethylene with carbon monoxide, copolymers of ethylene with methacrylic acid, copolymers of ethylene with methyl methacrylate, and terpolymers of ethylene with n-butyl acrylate and carbon monoxide remarkably reduce the tendency of polymer pellets to block. Free-flowing copolymer pellets can be handled without blocking and moved more quickly through the packing equipment and can be stored for extended periods without blocking. Copolymer pellets containing these additives can be packed into large containers and shipped without blocking. The preferred additive is N,N'-ethylenebisoleamide.

Abstract: The invention relates to a process for the production of an object from a granular ABS polymer composition, said composition comprising a mixture ofI 10-98 parts by weight of one or more graft copolymers obtained by polymerizing a mixture of one or more unsaturated nitriles and one or more vinylaromatic compounds in the presence of a rubber.II 2-90 parts by weight of a copolymer of one or more unsaturated nitriles and one or more vinylaromatic compounds, andIII 0-20 parts by weight of one or more additives, wherein the polymer composition is melted, homogenized, and extruded or injection molded into an object.To improve the flow properties of the mixture introduced into the processing equipment and the throughput of this equipment the invention is characterized in that the ratio between the average particle size (by weight) of the copolymer II to the average particle size (by weight) of the graft copolymer I exceeds 1.5.

Abstract: A filled crosslinked polymeric composition of ethylene-vinyl ester copolymer which has a significant degree of flame retardancy by inclusion of a dual lubricant system which includes a fatty acid and an alkylene-bis-amide.

Abstract: Nucleating agents have been discovered which enable molded articles to be prepared with smooth glossy surfaces from blends of polyethylene terephthalate and polybutylene terephthalate in the "wet state", i.e., without the resin having been subjected to a predrying stage.The present invention is directed to polyalkylene terephthalate resin compositions. Specifically, it is directed to undried blends of polyethylene terephthalate and polybutylene terephthalate resins with nucleating agents which enable these resin blends to be molded into articles with smooth glossy surfaces. In a preferred embodiment fillers and/or reinforcing materials are added without subjecting the resin to a predrying treatment which has been heretofore necessary in the prior art.

Abstract: An injection molding or extrusion polypropylene composition having improved impact strength and improved weld line properties, wherein the polypropylene composition comprises a blend composition of an isotactic polypropylene homopolymer having a number average molecular weight as measured by GPC of at least 15,000, about 5 to about 15 parts by weight of a zinc neutralized sulfonated EPDM terpolymer per 100 parts by weight of the isotactic polypropylene homopolymer, and about 5 to about 15 parts by weight of a high molecular weight polypropylene.

Abstract: Novel aqueous adhesive and coating compositions composed of (1) an aqueous emulsion (latex) or dispersion of a polymer or interpolymer of one or more vinyl monomers such as an emulsion of a copolymer of vinyl acetate and butyl acrylate and (2) an aqueous emulsion or dispersion of a polyisocyanate which has at least partially reacted with an alcohol having the formula ROH wherein R is a hydrocarbon radical having at least one carbon atom and wherein the dispersion or emulsion (2) is stabilized with a combined surfactant and alcohol having the formula R' wherein R' is a hydrocarbon radical having at least one carbon atom are described.

Abstract: Radiation crosslinked compositions containing copolymers of ethylene and a vinyl ester or an acrylate, a hydrated inorganic filler, a higher concentration of silane than employed heretofore and a lubricant of lauric acid and ethylene-bis-stearamide exhibit physical strength properties substantially similar to a chemically crosslinked counterpart.

Abstract: The crystallization from the melt of an isotactic butene-1 homopolymer composition or isotactic butene-1-ethylene copolymer composition is promoted by adding a small amount of a nucleating agent selected from the group consisting of N,N'-ethylene-bis-stearamide and stearamide.

Abstract: Certain N,N'-ethylenebisamides and N,N'-diadipamides added to ethylene/vinyl acetate dipolymers, terpolymers of ethylene with carbon monoxide, copolymers of ethylene with methacrylic acid, copolymers of ethylene with methyl methacrylate, and terpolymers of ethylene with n-butyl acrylate and carbon monoxide remarkably reduce the tendency of polymer pellets to block. Free-flowing copolymer pellets can be handled without blocking and moved more quickly through the packing equipment and can be stored for extended periods without blocking. Copolymer pellets containing these additives can be packed into large containers and shipped without blocking. The preferred additive is N,N'-ethylenebisoleamide.

Abstract: Novel aqueous adhesive and coating compositions composed of (1) an aqueous emulsion (latex) or dispersion of a polymer or interpolymer of one or more vinyl monomers such as an emulsion of a copolymer of vinyl acetate and butyl acrylate and (2) an aqueous emulsion or dispersion of a polyisocyanate which has at least partially reacted with an alcohol having the formula ROH wherein R is a hydrocarbon radical having .[.at least one carbon atom.]. .Iadd.from six to 30 carbon atoms .Iaddend.and wherein the dispersion or emulsion (2) is stabilized with a combined surfactant and alcohol having the formula R' wherein R' is a hydrocarbon radical having at least one carbon atom are described.