Abstract: A composition comprising,(a) 1 to 99 parts by weight of a specific hydrogenated product of a block copolymer having at least one polymer block composed mainly of a vinyl aromatic compound and at least one polymer block composed mainly of a conjugated diene compound, a modified product which comprises said product modified with an .alpha.,.beta.-unsaturated carboxylic acid or a derivative thereof, or a mixture of said product and said modified product, wherein the content of the vinyl aromatic compound prior to hydrogenation is 5 to 95% by weight and a content of vinyl linkages [V] prior to hydrogenation which originated from the conjugated diene compound is 10 to 80%, said product satisfying the following conditions;(1) the hydrogenated ratio [A] of the total of aliphatic double bonds which originated from the conjugated diene compound is not lower than 5% and lower than 50%, and[B]/[V].sup.

Abstract: Absorbing polymer consisting of a polymer A which is an optionally modified polyvinyl alcohol or an optionally modified polysaccharide or a mixture of these, and of a polymer B which is a maleic anhydride homo- or copolymer having a hydrolysis time of 5 to 120 minutes, the anhydride groups being open and 0.005 to 5 mol % of the acid functions being esterified with hydroxyl groups of polymer A, and the remaining acid functions being present as free acid groups, as salts or as acid amide groups, an absorbing product containing this polymer and a process for their preparation.

Abstract: A negative-working radiation-sensitive mixture comprising a binder and a polymer containing 1,2,3-thiadiazole groups is disclosed. The binder is a polyfunctional compound having functional groups that react with ketene. The polymer is a compound obtained by polymerization of a compound of the general formula I ##STR1## in which R is a polymerizable group. If the polymer is a copolymer containing comonomers having functional groups capable of reacting with ketene, the binder can be omitted. The negative-working radiation-sensitive mixture is particularly suitable for UV, electron beam and X-ray lithography.

Abstract: A hydrophilic polymer blend is disclosed which comprises a first polymer component which is an organic solvent-soluble, thermoplastic polyvinylbutyral (PVB) and a second polymer component which is a hydrophilic poly(N-Vinyl lactam), e.g., a water soluble polyvinylpyrrolidone. The blend demonstrates slipperiness in aqueous environments and, among other applications, is useful in low-friction coatings for a wide variety of substrates. A method for providing the coatings is also described.

Abstract: An adhesive resin composition useful for bonding a resin having gas barrier properties and a hydrophobic thermoplastic resin which comprises an ethylene-acrylate or methacrylate copolymer grafted with an ethylenic unsaturated carboxylic acid or its acid anhydride; and 0.02 to 0.6 equivalent to the ethylenic unsaturated carboxylic acid or its acid anhydride of a periodic table group Ia or IIa metal hydroxide, or said metal hydroxide and an ethylene-acrylate or methacrylate copolymer. A laminated material of a resin having gas barrier properties and a hydrophobic thermoplastic resin laminated with the adhesive resin composition and a resin composition comprising the adhesive resin composition, a resin having gas barrier properties and a hydrophobic thermoplastic resin are also disclosed.

Abstract: A water-absorptive resin composition which comprises (A) 5 to 95% by weight of a water-absorptive resin and 95 to 5% by weight of (B) a polyolefin resin and (C) an ethylene/.alpha.-olefin copolymer rubber, based on the total contents of said components (A), (B) and (C), wherein the content of said component (C) amounts to 20 to 80% by weight based on the total contents of said components (B) and (C) is disclosed. This water-absorptive resin composition is moldable and has an excellent water absorption property and an excellent water-absorptive resin retention characteristic after absorbing water.

Abstract: The polyvinyl chloride (PVC) resin-based composition of the invention gives a molded article which suffers little from the disadvantageous phenomenon of surface whitening as is sometimes unavoidable when a conventional PVC resin-made article is prolongedly kept under adverse conditions as in hot water or in a high-temperature, high-humidity atmosphere. The composition characteristically comprises a limited amount of a partially saponified polyvinyl alcohol having an average degree of polymerization of 150 to 600 and a degree of saponification of 20 to 55% as a special additive in an amount of 0.8 to 5.0% by weight based on the PVC resin. The resin composition is also less subject to the disadvantage of a decrease in the transparency of the resin articles even when the resin composition is compounded with a metal-containing heat stabilizer such as organotin mercaptides.

Abstract: A modified block copolymer composition comprising a thermoplastic polymer and a modified block copolymer consisting essentially of a base block copolymer of a monovinyl substituted aromatic hydrocarbon polymer block and an olefin compound polymer block having an ethylenic unsaturation degree not exceeding 20%, the base block copolymer having a molecular unit containing a carboxylic acid group and/or a group derived therefrom grafted thereto. The modified block copolymer composition of the present invention is a resinous composition excellent in impact resistance, adhesion, paint adhesion, weatherability, resistance to thermal deterioration, transparency and gloss or a rubbery or leather-like composition excellent in heat resistance, abrasion resistance, compression set resistance, adhesion, transparency, oil resistance, weatherability and resistance to heat aging.

Abstract: In a process for preparation of polyvinyl butyral sheet by blending polyvinyl butyral with plasticizer and extruding the blend to form the sheet, the step in combination therewith of including in the blend a modification-promoting amount, preferably up to about 10 mole % based on polyvinyl butyral, of ionomeric groups chemically bound to polyvinyl butyral forming the sheet.

Abstract: A polyblend comprising first and second polyvinyl butyral components admixed with plasticizer, one of the components present in minor amount (preferably 10 to 30 weight %) containing chemically bound ionomeric groups which are preferably the metal salt of an aldehyde.

Abstract: Carbon monoxide-containing ethylene polymers are blended with vinyl alcohol polymers, including vinyl alcohol homopolymers and copolymers, to prepare oxygen barrier resins having good processability.

Abstract: Compositions comprising polyamides, polyolefins and ethylene vinyl alcohol copolymers useful as compatabilizers, related processes and articles made therefrom. A composition comprising from 50 to 99.4 percent by weight of a polyolefin, from 0.5 to 50 percent by weight of polyamide, from 0.1 to 10 percent by weight of an ethylene vinyl alcohol copolymer comprising from 50 to 95 mole percent ethylene groups and from 5 to 59 mole percent vinyl alcohol groups and less than 5.0 mole percent and preferably less than 2.0 mole percent unhydrolyzed vinyl acetate groups.

Abstract: The present invention relates to a polypropylene resin composition useful as an adhesive comprising(A) from about 51 wt. % to about 99 wt. % of a modified polypropylene resin graft-modified with a radical-polymerizable polar unsaturated compound or a mixture of the modified polypropylene resin graft-modified with a radical polymerizable polar unsaturated compound with an unmodified polypropylene resin,(B) a substantially non-crystalline .alpha.-olefin copolymer, and(C) an ethylene/.alpha.-olefin coplymer having a density of from about 0.860 g/cm.sup.3 to less than about 0.910 g/cm.sup.3, a n-hexane insolubility of at least about 50 wt. % and a melting point of at least 100.degree. C.,wherein the combined weights of components (B) and (C) is from about 1 wt. % to about 49 wt. %, and the weight ratio of (B)/(C) is from about 1/99 to about 99/1.

Abstract: A rubber composition for use in tire, particularly bead filler comprises 2.about.30 parts by weight of a particular modified novolak resin having a self-curability based on 100 parts by weight of rubber ingredient.

Abstract: Modified polyolefin comprising a polyolefin linked to a hydrolyzable silane which is reactable with polyvinyl alcohol and being chemically bound to polyvinyl alcohol by the silane, and method for preparing the same.

Abstract: A process for producing boron-containing ceramics such as boron carbide and boron nitride comprises pyrolyzing a blend of a precarbonaceous polymer such as polyacrylonitrile and a boron-containing polymer such as that formed by the reaction of a borane with a Lewis base. Pyrolyzation in an inert atmosphere yields boron carbide while pyrolyzation in a reactive gas burns away the precarbonaceous polymer and yields a ceramic comprising the reaction product of boron and the pyrolyzation gas. Boron nitride ceramics are formed by pyrolyzing the preceramic blend in ammonia.

Abstract: A resin composition comprising from about 95 to about 30 parts by weight of a saponified product of an ethylene-vinyl acetate copolymer (A), comprising ethylene units in an amount of from about 20 to about 55 mole percent, and exhibiting a degree of saponification of the vinyl acetate component of at least about 90 mole percent, and from about 5 to about 70 parts by weight of a saponified product of a modified ethylene-vinyl acetate copolymer (B) comprising pyrrolidone ring-containing units in an amount of from about 0.1 to about 10 mole percent, and ethylene units in an amount of from about 20 to about 55 mole percent, and exhibiting a degree of saponification of the vinyl acetate component of at least about 90 mole percent, and a multilayered structure made therewith, preferably formed by high speed thermodrawing, exhibiting uniform gas barrier properties and producing a product without pinholes, cracks, and localized areas of uneven stretching.

Abstract: A process for preparing ionomers is disclosed. In this process a vinyl acetate polymer is contacted with a hydroxide of an alkali metal or an alkaline earth metal. The in situ formed acetate of an alkali metal or an alkaline earth metal of this reaction is in turn reacted with a polymer having carboxylic acid or diacid anhydride funtionality to produce the ionomer.

Abstract: Carbon monoxide-containing ethylene polymers are blended with vinyl alcohol polymers, including vinyl alcohol homopolymers and copolymers, to prepare oxygen barrier resins having good processability.

Abstract: There are disclosed (1) an injection-molded thermoplastic resin article having on a surface thereof a copper foil or a copper foil circuit, wherein the thermoplastic resin comprises one of polycarbonate, polyethersulfone, and polyetherimide and an adhesive layer comprising polyvinyl butyral having a degree of polymerization of up to 1000, polyvinyl formal having a degree of polymerization of up to 1000, or a mixture or both polymers is formed either the copper foil or the copper foil circuit and the molded thermoplastic resin and (2) a process for producing such injection-molded thermoplastic resin articles.

Abstract: A multiphase thermoplastic composition is provided by incorporating at least one polar thermoplastic polymer with at least one functionalized, selectively hydrogenated alkenyl arene/conjugated diene block copolymer to which has been grafted an effective amount of carboxyl functional groups primarily in the alkenyl arene blocks thereof. The carboxyl functional groups may be in the form of carboxylic acids, their salts and esters, and combinations thereof. The rubbery compositions of the present invention possess improved tensile strength, high temperature mechanical properties and oil resistance.

Abstract: An injection-molded body comprising a layer of an olefin/vinyl alcohol copolymer having a very high molecular weight is obtained by melt-kneading a composition comprising (i) a high-molecular-weight olefin/vinyl alcohol copolymer having a melt flow rate of 0.4 to 6.0 g/10 min as determined at 190.degree. C. and a vinyl alcohol content of 40 to 80 mole % and (ii) a low-molecular-weight olefin/vinyl alcohol copolymer having a melt flow rate of 3.0 to 60 g/10 min as determined at 190.degree. C., which is higher by at least 0.5 g/10 min than that of the high-molecular-weight ethylene/vinyl alcohol copolymer (i), and a vinyl alcohol content of 45 to 85 mole % at a weight ratio of from 98/2 to 40/60, and injecting the melt-kneaded composition into a mold through an orifice.

Abstract: Both waterborne and solvent enamels can be sprayed in a common paint spray booth and be detackified by a composition comprising a blend of a melamine-formaldehyde polymer, polyvinyl alcohol and a styrene acrylate copolymer. The invention also contemplates the use of these compositions in detackifying paint in paint spray booths.

Abstract: An article, suitable for use as a body implant, is made from a novel composition comprising a multiple phase polymer composition comprising:(a) a first phase which comprises a substantially non-hydrophilic polymeric component; and(b) a second phase which comprises a hydrophilic polymeric component;said composition (i) being capable of absorbing water to an extent that it softens with a softening ratio of at least about 2:1 and/or swells with a swelling ratio of at least about 1.3:1; and (ii) when substantially completely hydrated has an energy to break of at least about 700 N-cm/cm.sup.3 and a 2.5% Secant modulus of less than about 7,000 N/cm.sup.2.

Abstract: A laminate comprising a layer of a composition (A) of 100 parts by weight of a hydrolyzed ethylene-vinyl acetate copolymer having an ethylene content of 20 to 55% by mole and a degree of hydrolysis of at least 90% by mole and 1 to 100 parts by weight of a thermoplastic polyester having a glass transition temperature of -50.degree. to 25.degree. C. and a heat of fusion of not more than 30 joules/g, the acid component of the polyester being a mixture of 20 to 70% by mole of an aromatic dicarboxylic acid and 80 to 30% by mole of an aliphatic dicarboxylic acid, and the glycol component of the polyester being an alkylene glycol having 2 to 6 carbon atoms; and a layer of a composition (B) of at least one polymer selected from the group consisting of a polyolefin, a polystyrene, a polyvinyl chloride, a polyamide, a polycarbonate and a polyester having a glass transition temperature of not less than 30.degree. C.

Abstract: A polymer granulate whose particles consist of a core component and a coating component can be prepared by mixing a granular polymer with a pulverulent coating agent. The core component is made of a water-soluble polymer, in particular a polyvinyl alcohol. The coating component is a water-soluble or water-insoluble substance which is applied to the water-moistened particles of the core component. The particles of the polymer granulate have diameters within the range from 0.6 to 6 mm. The granulate has particularly good freeflowing properties; it is especially suitable for preparing adhesives.

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: A molded article of a transparent ABS resin comprising 10 to 24% by weight of a diene type rubber having a weight average particle size of 150 m.mu. or less and not containing methyl methacrylate in the continuous resin phase is subjected to wet plating. The resulting plated resin article has an excellent adhesion of the plating layer and a good transparency.

Abstract: A hydrophilic polymer blend is disclosed which comprises a first polymer component which is an organic solvent-soluble, thermoplastic polyvinylbutyral (PVB) and a second polymer component which is a hydrophilic poly(N-vinyl lactam), e.g., a water soluble polyvinylpyrrolidone. The blend demonstrates slipperiness in aqueous environments and, among other applications, is useful in low-friction coatings for a wide variety of substrates. A method for providing the coatings is also described.

Abstract: A coating binder additive is prepared comprising a blocked glyoxal resin mixed with a vinyl or acrylic water soluble polymer which is reactive with free glyoxal.

Abstract: The extrudability of linear polymers of ethylene such as low density copolymers of ethylene and C.sub.4 --C.sub.10 olefins (LLDPE) into thin films is improved by adding small amounts, e.g., 0.02 to 2 weight percent ethylene-vinyl polymer to reduce melt fracture, head pressure and to obtain films having excellent anti-blocking characteristics. Optionally, diatomaceous earth is added to further reduce blocking.

Abstract: The present invention relates to resin compositions and laminates using saponified ethylene-vinyl acetate copolymers containing a polyether component. Formed products and laminates obtained from the resin compositions are flexible, excellent in flexural fatigue resistance and gas barrier properties and extremely useful as flexible laminates.

Abstract: A sonic window suitable for use in sonar applications wherein an elastomer such as natural or synthetic natural rubbers, a low air entrapping fiber or fibril used for reinforcement, fillers, and thermosetting resins are formed into desired window configuration. The low air entrapment associated with the fiber or fibrils produces a remarkably sonicly transparent window.

Abstract: A method for the production of an aqueous dispersion by the dispersion of an inorganic pigment such as calcium carbonate and aluminum hydroxide in an aqueous medium, which method comprises incorporating in said inorganic pigment as a dispersant a carboxyl group-containing water-soluble polymer possessing a number average molecular weight in the range of 2,000 to 80,000 and/or a water-soluble condensed phosphate and a water-soluble anionic modified polyvinyl alcohol possessing a polymerization degree in the range of 30 to 700, a saponification degree in the range of 30 to 100 mol %, and an anionic modification degree in the range of 0.5 to 20 mol %.

Abstract: A composition which comprisesa. an aromatic polycarbonate,b. a polyolfefin,c. an ethylene vinyl alcohol copolymer,d. a hydrogenated alkylidene vinyl aromatic block copolymer graft modified with an unsaturated dicarboxylic acid or unsaturated dicarboxylic acid anhydride.

Abstract: A therapeutic composition comprising a therapeutic macromolecular agent incorporated in cross-linked polyacetal.

Abstract: A modifier composition is disclosed for compounding with a polyolefin to produce a resin from which cement adherent polyolefin fibers may be produced by conventional fiber forming methods. The modifier composition comprises the reaction product of a vinyl alcohol copolymer with an acid modified polyolefin. Such modifier composition when compounded in from about 1 to about 10 weight percent with a polyolefin, preferably polypropylene, provides a resin from which cement adherent fibers may be produced.

Abstract: An injection stretch blow container consisting of a combination of 97 to 70 parts by weight of saturated polyester and 3 to 30 parts by weight of a saponification product of an ethylene-vinyl acetate copolymer, said container having many areas, particularly at the body wall portion of said container in each of which areas substantially two-dimensional thin layers of said saponification product of said ethylene-vinyl acetate copolymer are laminated in parallel to the wall surface of said container in a matrix of saturated polyester, said saponification product of said ethylene-vinyl acetate copolymer in said area (20.times.20.mu.; vertical section or longitudinal section of the body wall of said container) is 0.001 to 1 .mu.m in average thickness and at least 5 in average aspect ratio and the laminated structural index represented by the following formula is at least 5:Laminated structural index ##EQU1## wherein L.sub.

Abstract: There is disclosed a water-swelling composition which comprises polyolefinpolyol-ethylene oxide addition product, a water-absorbing polymer and an isocyanate. The composition contains a water-absorbing polymer in an amount of from 5 to 200 parts by weight and an isocyanate in an amount of from 5 to 50 parts by weight, per 100 parts by weight of a polyolefinpolyol-ethylene oxide addition product. The composition can be used as a sealant in places which must be water or moisture tight in vehicles, buildings and various machines since it is capable of speedily swelling when contacted with water.

Abstract: Disclosed herein is a smokable food-packaging film comprising at least one layer of a mixture of 45 to 85 wt % polyamide, 10 to 45 wt % copolymer of olefin and vinyl alcohol, and 5 to 30 wt % polyolefin, in which the mixture falls in the pantagonal range defined in FIG. 1 by linear lines connecting the points A, B, C, D and E, respectively, said layer having the properties of a permability to 50% concentration of methanol of not less than 200 g/m.sup.2.day.atm at a temperature of 60.degree. C. and a relative humidity of 0% and an oxygen gas-permeability of not more than 50 cc/m.sup.2.day.atm at a temperature of 30.degree. C. and a relative humidity of 60% and a water vapor-transmission rate of not more than 70 g/m.sup.2.day at a temperature of 40.degree. C. and a relative humidity of 90%.

Abstract: A pharmaceutically or veterinarily acceptable amphipathic, non-cross linked linear, branched or graft block copolymer, which has a minimum weight average molecular-weight of 1000, in which the hydrophobic component is biodegradable or hydrolytically unstable under normal physiological conditions, and the hydrophilic component may or may not be biodegradable or hydrolytically unstable under such conditions, and which copolymer is self-dispersible in water; together with mixtures of such a copolymer and a drug, which may be water-soluble of water-insoluble, which mixtures are self-dispersible in water; and processes for the manufacture of such copolymers and such mixtures.

Abstract: An aqueous ink recording sheet is described which is prepared by coating on the surface of a substrate sheet a resin composition containing as the chief ingredient a mixture comprising (A) 10 to 90 wt % of photo polymerizable, double bonded anionic synthetic resin, and (B) 90 to 0 wt % of partially or completely saponified polyvinyl alcohol, or partially or completely saponified polymer resin composed of 20 to 100 wt % of vinyl acetate and 80 to 0 wt % of other polymerizable monomer or derivatives thereof, and/or (C) 90 to 0 wt % of homopolymer resin of N-vinylpyrrolidone or copolymer resin of other polymerizable monomer therewith, with the weight ratio of (A)/[(B)+(C)] being 90/10 to 10/90, drying the coated resin composition, and then curing the resin composition by the irradiation with actinic rays so as to form a resin coating layer on the substrate.

Abstract: A molded article of a transparent ABS resin comprising 10 to 24% by weight of a diene type rubber having a weight average particle size of 150 m.mu. or less and not containing methyl methacrylate in the continuous resin phase is subjected to wet plating. The resulting plated resin article has an excellent adhesion of the plating layer and a good transparency.

Abstract: A process for producing a thermoplastic elastomer comprising dynamically curing with a peroxy curing agent (A) nitrile rubber and (B) homopolymer or copolymer of ethylene, which is curable with the peroxy curing agent but excluding copolymers comprising ethylene and an acrylic or methacrylic ester. The thermoplastic elastomer composition produced by the process is suitable for use in sealant or adhesive compositions, particularly when blended with a tackifying resin.

Abstract: Water-insoluble proton-conducting polymers which may be formed into membranes which are used in gas separation or gas sensing processes comprise an interpenetrating polymer network. This IPN is formed from the interaction between a host polymer and a guest polymer which is subsequently cross-linked or cured. The host polymer blend is formed from a phosphoric acid or sulfuric acid and a polymer or copolymer of a compound which possesses repeat units such as, for example, hydroxy ethylene, vinyl sulfonic acid, ethylene imine, etc, while the guest polymer is formed from a monofunctional monomer such as methacrylic acid and a difunctional cross-linking agent such as methylenebisacrylamide.

Abstract: An acrylic modified styrenic/N-arylmaleimide copolymer containing composition which exhibits excellent melt flow properties, impact strength and gloss upon molding is disclosed.

Abstract: Films which are rapidly soluble in cold and warm water are formed from blends of water soluble polyvinyl alcohol (partially hydrolyzed polyvinyl acetate) and polyacrylic acid. The polymers are compatible and form homogeneous mixtures from which clear, transparent, non-tacky, easily handleable, mechanically strong films can be formed. The films are stable at both low and high humidity conditions, i.e., the films do not become brittle or tacky and retain their high rates of dissolution in water even after being stored in low or high humidity environments at both high and low temperatures. Further, improvements are achieved by incorporating a plasticizer into the polymer blend. The films are also heat sealable and biodegradable.

Abstract: A room temperature setting adhesive composition capable of giving high initial bond strength as well as cured bonds having good resistance to water and boiling contains, as main components thereof, (A) an emulsion containing an acetoacetylated polyvinyl alcohol and a vinyl acetate copolymer produced by copolymerizing an acetoacetylated, ethylenically unsaturated monomer and another ethylenically unsaturated monomer and (B) a resorcinol resin precondensate and, as a curing agent, (C) hexamethylenetetramine.

Abstract: Disclosed is a metal vessel comprising an upper member and a lower member, each consisting of a coated cup-shaped formed metal body and a circumferential side seam being formed by lap-bonding the open ends of the upper and lower members to each other through an adhesive, wherein said coated cup-shaped formed metal body is composed of a metal blank having a coating of a vinyl chloride resin having a vinyl chloride unit content of 30 to 97% by weight and a glass transition temperature of at least 40.degree. C.

Abstract: A resin-like product having a degree of hydrolysis of 50 to 70 mole percent is obtained by selective alcoholysis of a vinyl ester copolymer, if desired in the form of a mixture with a vinyl ester homopolymer. The starting material employed is preferably a vinyl acetate/crotonic acid copolymer. The resin is suitable for use as a hot-melt adhesive which forms coherent films capable of being activated by water or water vapor.