Abstract: A compound comprising a blend of polypropylene with the reaction product of a functionalized polypropylene and polyether amine in which the polyether amine is grafted onto the functionalized polypropylene in a customary mixing apparatus is disclosed. A process for producing the reaction product of the functionalized polypropylene and the polyether amine by melting with polypropylene in a customary mixing apparatus is also disclosed.

Abstract: Thermoplastic polymer alloy compositions are provided comprising a blend of polypropylene, ethylene copolymer ionomer resin, ethylene/glycidyl acrylate or methacrylate copolymer, uncrosslinked ethylene propylene rubber, acid or anhydride grafted polypropylene, an agent for crosslinking the rubber and/or catalyzing an epoxide/acid reaction, and optionally a poly-.alpha.-olefin. The compositions are particularly useful for thermoforming of articles having high deep-draw ratios. The presence of the poly-.alpha.-olefin assists to improve embossing and grain retention of embossed sheets, particularly at high deep-draw ratios.

Abstract: An extrudable adhesive composition is provided which is useful for bonding a layer of a polystyrene resin to a layer of a second resin. The extrudable adhesive composition comprisesA) an ethylene polymer fraction at between about 35 and about 65 wt percent relative to the total of A) plus B), the ethylene polymer fraction comprising an ethylene polymer, copolymer or mixture of ethylene polymers and copolymers, each ethylene polymer or copolymer being formed from at least about 60 weight percent ethylene monomers, balance other copolymerizable monomers, and the ethylene polymer fraction A) being formed, in total, of at least about 65 weight percent ethylene monomers, balance, other copolymerizable monomers, andB) between about 35 and about 65 wt %, relative to total of A) plus B), of a styrene/aliphatic/styrene triblock elastomer, between about 20 and about 60 wt % of said triblock elastomer comprising styrene monomers.The MI.sub.2(SB).sup.2 /MI.sub.2(PE) is about 1.0 or above.

Abstract: A graft-modified ethylene/.alpha.-olefin copolymer composition is prepared by graft copolymerizing an ethylene/.alpha.-olefin copolymer. The ethylene/.alpha.-olefin copolymer composition includes first and second ethylene/.alpha.-olefin copolymers. The copolymers are each prepared in the presence of a polymerization catalyst containing (a) an organoaluminum oxy compound and (b) for the first ethylene/.alpha.-olefin copolymer at least two kinds, and for the second ethylene/.alpha.-olefin copolymer one kind, of compounds of Group IV transition metals of the periodic table containing a ligand having a cyclopentadienyl skeleton. The ethylene/.alpha.-olefin copolymer composition may be blended with a polyolefin by mechanical or solution blending. The copolymer compositions have excellent moldability and heat stability properties and forms films having high transparency and mechanical strength.

Abstract: Substantially linear ethylene polymers, e.g., polyethylenes prepared by constrained geometry catalysis (substantially linear ethylene), which are grafted with one or more unsaturated organic compounds containing both ethylenic unsaturation and a carbonyl group, e.g., maleic anhydride, exhibit desirable adhesive properties. These graft-modified substantially linear ethylene polymers also impart desirable compatibility and impact properties to various thermoplastic polymer blends.

Abstract: A compatibilized polymer blend composition is provided which comprises a mixture of an elastomeric polymer and an acid-grafted polymer of an isomonoolefin and an alkylstyrene such as a blend of EPDM and a maleic anhydride-grafted copolymer of isobutylene and para-methylstyrene.

Abstract: Disclosed are (1) an adhesive polypropylene resin composition comprising (a) 50 to 90 parts by weight of a modified polypropylene or a composition containing said modified polypropylene, said modified polypropylene being graft-modified with at least one monomer selected from the group consisting of an unsaturated carboxylic acid from the group consisting of an unsaturated carboxylic acid and a derivative thereof and (b) 10 to 50 parts by weight of a modified polyolefin other than the modified polypropylene or the composition (a), said modified polyolefin being grafted with at least one monomer selected from the group consisting of an unsaturated carboxylic acid and a derivative thereof, and (2) a multi layer laminate body comprising (i) a layer of a polyolefin (ii) a layer of the above-said adhesive polypropylene resin composition and (iii) a layer of a polyamide resin and/or an ethylene/vinyl alcohol copolymer, said layers being laminated in the order of (i), (ii) and (iii).

Abstract: Thermoplastic olefin compositions having improved fluid resistance when painted with flexible coatings such as polyurethanes paints and the like are disclosed. These compositions include a thermoplastic olefin such as crystalline polypropylene, crystalline polyethylene, or mixtures thereof with a first rubber component of an ethylene-propylene or ethylene-propylene-diene rubber having a Mooney Viscosity of 10-120 and a second rubber component of an ethylene-propylene or ethylene-propylene-diene rubber having a number average molecular weight of between about 1,000 and 10,000.

Abstract: A pregellable adhesive containing several polymers, of which at least one is olefinically unsaturated and the other capable of curing by esterification, prepared in such a way that it cures by two different chemical reaction mechanisms which can be activated successively and catalyzed at least substantially independently of one another.

Abstract: The present invention provides hydrophilic crosslinked polymer fine particles made of a copolymer composed of:2-50% by weight of (a) a monoethylenic monomer having a polyoxyalkylene or polyvinylpyrrolidone chain,20-97% by weight of (b) a (meth)acrylamide type monoethylenic monomer,1-30% by weight of (c) a crosslinkable unsaturated monomer selected from the group consisting of compounds having, in the molecule, at least two polymerizable double bonds, and compounds having, in the molecule, at least one functional group selected from hydrolyzable silyl groups and 1,2-epoxy groups and one polymerizable double bond, and0-50% by weight of (d) other monoethylenic monomer. Said polymer fine particles are superior in polymerization stability as well as in dispersion stability during storage, undergoes no adverse effect by dispersion stabilizer owing to no use of said stabilizer, and are suitably used for formation of a hydrophilic film.

Abstract: A lining for a metal, a lining powder and a lining resin composition which comprise a mixture of a maleic acid-modified polypropylene and a polypropylene, or a mixture of the above-mentioned mixture and an ethylene propylene rubber and/or an antioxidant; and a lining method.

Abstract: A lining for a metal, a lining powder and a lining resin composition which comprise a mixture of a maleic acid-modified polypropylene and a polypropylene, or a mixture of the above-mentioned mixture and an ethylene propylene rubber and/or an antioxidant; and a lining method.

Abstract: A polymer blend that comprising:(a) a modified block copolymer comprising(i) a polystyrene block and(ii) a polydiene block or a hydrogenated polydiene block, said polydiene block or hydrogenated polydiene block being modified with an average of one or more carboxyl groups; and(b) a polymer comprising a polymerization reaction product of two or more mono-ethylenically unsaturated monomers in which:(i) at least one of the monomers is an acrylic or methacrylic acid ester of a non-tertiary alcohol having 1 to 14 carbon atoms, inclusive, and(ii) at least one of the monomers is a nitrogen-containing monomer; and a method of making and using the polymer blend.

Abstract: A thermoplastic resin composition having excellent characteristics such as impact resistance and coatability is described. The thermoplastic resin composition contains a propylene based polymer and a graft copolymer having an olefin homo/co-polymer portion forming its main chain and a vinyl copolymer portion forming its branched portion. In the graft copolymer, the proportion of the olefin homo/co-polymer portion is 5 to 95% by weight, and the vinyl copolymer portion occupies the remaining weight. The vinyl copolymer portion of the graft copolymer has a hydroxyl group as a functional group. One of the olefin homo/co-polymer portion and the vinyl copolymer portion forms a dispersed phase in the other with a particle size of 0.001 to 10 .mu.m. Consequently, the graft copolymer assumes a multi-phase structure. The thermoplastic resin composition optionally further contains a thermoplastic elastomer.

Abstract: This invention relates to compositions which are useful as additives in lubricants and fuels, and more particularly, to additives which are chlorine-free or contain only minor amounts of chlorine. More particularly, carboxylic compositions are described which are prepared by reacting a terpolymer derived from a mixture of monomers comprising ethylene, an alpha-olefin containing 3 to about 20 carbon atoms, and a non-conjugated polyene with an alpha,beta-monounsaturated dicarboxylic acid or reactive derivative thereof. These carboxylic compositions may be used in lubricating oil or fuel compositions or may be used to form carboxylic derivative compositions which are useful in lubricating oil and fuel compositions.

Abstract: Elastomeric polypropylenes modified by grafting and blends thereof with isotactic polypropylenes modified by grafting, and the use thereof as compatibilizers or adhesion promoters for blends and metal composites.

Abstract: Co-extrudable adhesive compositions which have excellent adhesion, and which bond well to ionomers, even after long aging, are formed by blending polyethylene with a very low density of 0.86 to 0.91 with polyethylene having a density of 0.91 to 0.935, together with a hydrocarbon elastomer. Acid grafting of any of the components is preferably present. More than an insubstantial amount of polyethylene with higher density than 0.935 is deleterious to initial or age-down peel strength of the adhesive ionomer bond, and is not part of the adhesive composition.

Abstract: A polyethylenic resin composition comprising: at least one high density polyethylenic resin selected from (a) a high density polyethylenic resin (Resin A) and (b) a modified high density polyethylenic resin as derived by grafting on the Resin A a monomer of unsaturated carboxylic acid or its derivative (Resin B), at least one linear low density polyethylenic resin selected from (c) a linear low density polyethylenic resin (Resin C) and (d) a modified linear low density polyethylenic resin as derived by grafting on the Resin C the monomer as described in (b) above (Resin D), and (e) a linear very low density polyethylenic resin (Resin E) having a density (g/cm.sup.3) of at least 0.890, but less than 0.910, and a melting point of 110.degree. to 125.degree. C. This polyethylenic resin composition is excellent in fuel oil resistance, low temperature impact resistance, and heat resistance, and provides a material having affinity or adhesive properties to various resinous and metallic materials.

Abstract: A homogeneous polyolefinic blend and a preparation process thereof, are provided wherein the blend comprises polyolefin and a polymer which has a barrier property to organic liquid and vapor permeability. The barrier property is improved through the inclusion of mixed compatibilizing substances comprising an alkylcarboxyl-substituted polymer and reactive low molecular weight compounds. The compatibilizing substances are included by the means of ordinary processing equipment. The polymer with the barrier property having low organic liquid and vapor permeability is distributed as a multitude of thin, wide, disc-like layers in a polyolefin phase. The compatibilizing substances minimize the interfacial energy between the two polymers to adhere them together.

Abstract: A resin composition containing graft copolymer having at least one isocyanate group and 10,000 to 20,000 number-average molecular weight or high-molecular-weight polymer having at least one isocyanate group and 10,000 to 200,000 number-average molecular weight, and low-molecular-weight polymer having or not having an isocyanate group and 500 to 8,000 number-average molecular weight. This resin composition has tackiness at ordinary temperature, and long pot life. It can be used for reactive hot melt type adhesives (which can omit hot press process), reactive hot melt type pressure-sensitive adhesives, or coating material.

Abstract: Thermoplastic molding materials preparedA) from 35 to 99.5% by weight of a matrix copolymer (A) ofa.sub.1) from 50 to 95% by weight of styrene and/or .alpha.-methylstyrene,a.sub.2) from 5 to 50% by weight of acrylonitrile anda.sub.3) from 0 to 20% by weight of further comonomersB) from 0 to 50% by weight of a particulate graft copolymer (B) which is insoluble in (A), has a median particle diameter of from 0.03 to 1 .mu.m and preparedb.sub.1) from 30 to 80% by weight of a core comprising an elastomeric polymer having a glass transition temperature of less than -10.degree. C. andb.sub.2) from 20 to 70% by weight of a graft shell comprising a polymer which is compatible or partly compatible with (A)andC) from 0.5 to 30% by weight of a particulate crosslinked copolymer (C) which is insoluble in (A), has a median particle diameter of from 0.5 to 50 .mu.m and comprisesc.sub.1) from 50 to 89.95% by weight of styrene and/or .alpha.-methylstyrene,c.sub.2) from 10 to 50% by weight of acrylonitrile,c.sub.3) from 0.

Abstract: Acrylic impact modifiers for polar thermoplastics such as poly(methyl methacrylate), polyamides, and poly(vinyl chloride) are prepared from emulsion polymer particles with hard methacrylate-rich domains in a continuous polyacrylate network.

Abstract: Poly(vinyl chloride), when impact modified with a core/shell impact modifier whose shell is predominantly formed from a C.sub.1 to C.sub.4 alkyl methacrylate and whose core is a copolymer of butyl acrylate and a specific compositional range of certain higher alkyl acrylate monomers, exhibits improved toughness, especially at lower use levels of the modifier or lower test temperatures for the blend, than when the core of the impact modifier is either substantially formed from butyl acrylate alone or substantially formed from the higher alkyl acrylate alone.

Abstract: A polymer blend comprising (a) a block copolymer comprising (i) a polystyrene block and (ii) a polydiene block or a hydrogenated polydiene block, said block copolymer (a) being non-maleated; and (b) a polymer comprising a polymerization reaction product of two or more monoethylenically unsaturated monomers in which (i) at least one of the monomers is an acrylic or methacrylic acid ester of a non-tertiary alcohol having 1 to 14 carbon atoms, inclusive, and (ii) at least one of the monomers is a nitrogen-containing monomer and, optionally, (iii) from 1-10 parts, based upon 100 parts of polymer, of a monomer having at least one of carboxylic acid functionality, hydroxy functionality, and epoxy functionality as well as a method of priming a substrate comprising applying the blend to the substrate.

Abstract: A method of priming a substrate comprising applying to the substrate a blend comprising (a) a modified block copolymer comprising (i) a polystyrene block and (ii) a polydiene block or a hydrogenated polydiene block, the polydiene block or hydrogenated polydiene block being modified to contain an average of one or more carboxyl groups; and (b) a polymer comprising a polymerization reaction product of two or more mono-ethylenically unsaturated monomers in which (i) at least one of the monomers is an acrylic or methacrylic acid ester of a non-tertiary alcohol having 1 to 14 carbon atoms, inclusive, and (ii) at least one of the monomers is a nitrogen-containing monomer; in particular, a method of enhancing adhesion between a substrate and an adhesive comprising the steps of priming the substrate by applying to the substrate the blend and applying the adhesive to the primed substrate.

Abstract: Adhesive blends having special utility in the formation of composite structures with LDPE, EVOH, and impact-modified polystyrene comprise a mixture of an ethylene/ester copolymer such as EVA, polystyrene, such as impact-modified polystyrene, and a functionalized SEBS block copolymer.

Abstract: Crystalline propylene polymer compositions having improved impact strength and improved clarity are disclosed. The composition is prepared by melt blending a propylene polymer, e.g., polypropylene, and from about 1 to 35 wt % of an elastomeric interpolymer of a C.sub.4 to C.sub.8 isomonoolefin, e.g., isobutylene, and a para alkystyrene comonomer, e.g., para-methylstyrene. The interpolymer preferably contains a benzylic functional group such as halogen (bromine). The composition may also contain from about 0.5 to 15 wt % of the amide reaction product of an organic acid-grafted propylene polymer, e.g., maleic anhydride grafted polypropylene, and a polyfunctional primary amine.

Abstract: Process for the preparation of grafted polyolefins in a fluidized bed fluidized by means of steam and, if appropriate, alcohols.

Abstract: The present invention relates to;a method for surface treating a polypropylene resin composition molded article, which comprises irradiating a molded article with ultraviolet light having an irradiation wavelength of 300 nm or less, said molded article being obtained from a polypropylene resin composition which comprises:(A) 15-92% by weight of a crystalline propylene-ethylene block copolymer resin,(B) 5-40% by weight of an ethylene-propylene copolymer rubber,(C) 1-15% by weight of a hydroxyl group-containing propylene oligomer, and(D) 2-30% by weight of an inorganic filler;a method for paint-coating a polypropylene resin composition molded article, which comprises irradiating a molded article with ultraviolet light having an irradiation wavelength of 300 nm or less and coating the irradiated surface with a paint, said molded article being obtained from a polypropylene resin composition which comprises said components (A), (B), (C) and (D) above-mentioned; anda paint-coated article obtained by said method for

Abstract: Compositions of stabilized stereoregular polymers of branched higher alpha-olefins, grafting compounds, free radical generators, glass and epoxy resins and/or epoxy-functional silanes and/or hydroxy functional compounds are provided as well as methods for making these compounds and articles thereof.

Abstract: (I) The (co)polymerisation of ethylene is carried out in at least one reaction zone (R) under high pressure, at 150.degree.-320.degree. C.; (II) the reaction product is routed into a zone (S), under an intermediate pressure P, for separation of the (co)polymer, in the molten state, from the unreacted (co)monomer(s), or the reaction product is routed into a first separation zone (S1), under an intermediate pressure (P1); the (co)polymer issuing from (S1) is then routed into a second separation zone (S2), under a pressure P2<P1; (III) the (co)polymer is routed into a zone (SF), under low pressure, for final separation of the (co)polymer from the residual gases. Let-down zones (D), (D1) and (D2) are provided along the path of the (co)polymer between the zones (S) and (SF), (S1) and (S2), and (S2) and (SF) respectively, the grafting monomer or monomers being introduced on-line, in the path of the (co)polymer, at at least one point located at the level of the zone (D) or at at least one zone (D1, D2).

Abstract: Thermoplastic molding materials containing a mixture of(A) from 15 to 70% by weight of a methacrylate polymer,(B) from 10 to 50% by weight of a copolymer obtained by polymerization of a mixture of(B1) a vinylaromatic monomer and(B2) a vinyl cyanide,(C) from 20 to 50% by weight of a graft copolymer of(C1) 50-80% by weight of a core of(C11) from 50 to 100% by weight of a 1,3-diene and(C12) from 0 to 50% by weight of a vinylaromatic monomer and(C2) 20-50% by weight of a graft shell of(C21) a C.sub.1 -C.sub.8 -alkyl ester of methacrylic or acrylic acid and(C22) a vinylaromatic monomer,with the proviso that the medium particle size (d.sub.50) of the graft copolymer is chosen in the range from 40 to 500 nm, and(D) from 0.5 to 15% by weight of a crosslinked methacrylate polymer.

Abstract: A rubber-reinforced styrene resin composition consisting essentially of:(1) 2-30% by weight of a grafted rubbery polymer wherein less than 30 parts by weight of a polymer of at least an aromatic alkenyl compound and an alkenyl cyanide compound are grafted onto 100 parts by weight of a conjugated diene rubber (I) having a weight average particle size of 0.26-0.6 .mu.m and a gel content of 30-80% by weight;(2) 5-40% by weight of a grafted rubbery polymer wherein 30 parts by weight or more of a polymer of at least an aromatic alkenyl compound and an alkenyl cyanide are grafted onto 100 parts by weight of a conjugated diene rubber (II) having a weight average particle size of 0.26-0.6 .mu.m and a gel content of 30-80% by weight; and(3) 40-93% by weight of a styrene copolymer of a monomer component consisting of at least one aromatic alkenyl compound and an alkenyl cyanide compound, and the difference between grafting degree of the component (1) and the grafting degree of component (2) being 15% by weight or more.

Abstract: An aqueous composition comprises a natural rubber modified with a graft-polymerised methylmethacrylate polymer such as a graft-polymerised methlmethacrylate, an acrylic polymer, an acrylonitrile synthetic rubber and optionally, minor ingredients. The minor ingredients may be a quaternary ammonium surfactant and a polysiloxane. The composition is applied to an article such as of natural and/or synthetic rubber to effect coating. The process is especially suited to coating of medical gloves.

Abstract: Homogeneous polymer blends are prepared from otherwise thermodynamically immiscible polymers, especially including block copolymers. Thus, polymers such as polystyrene/poly(methyl methacrylate) block copolymer or polystyrene/poly(1,2-butadiene) block copolymer are dissolved under pressure in supercritical fluid solvents such as chlorodifluoromethane and n-butane, respectively, and expanded through a fine nozzle. As the SCF solvent evaporates, the polymer deposits as a substantially homogeneous material.

Abstract: In a golf ball comprising a cover around a core, the cover is formed of a resin blend of 10-60 parts by weight of a thermoplastic elastomer having a crystalline polyethylene block and 90-40 parts by weight of an ionomer resin. The ball is well controllable, highly repulsive, and resistant to scuffing upon iron shots and offers pleasant hitting feel.

Abstract: A polymer alloy is provided which comprises:(I) from 10-50 parts by weight of an impact resistant styrene acrylate alloy which comprises (i) from 90 to 30 parts by weight of a brittle polymer (e.g. a styrene/alkyl (meth)acrylate copolymer, optionally with a (meth)acrylic acid comonomer), (ii) from 3 to 50 parts by weight of a rubbery polymer (e.g. a styrene/conjugated diolefin linear, tapered, radial di-block or tri-block copolymer), and (iii) from 15 to 67 parts by weight of a ductile polymer (e.g. a a styrene/conjugated diolefin linear, radial di-block or tri-block copolymer), and(II) from 90 to 50 parts by weight of an impact modified styrene polymer.The resulting polymer blends have good impact strength, tensile strength and gloss.

Abstract: A process for producing an anti-slip article by preparing an aqueous dispersion containing a copolymer of styrene and a diene in a ratio by weight of from 20:80 to 80:20, and applying the aqueous dispersion onto a non-water-absorbing article.

Abstract: A method of compatibilizing a blend of at least a hydrocarbon polymer with at least one other polymer which is incompatible with the hydrocarbon polymer, said method comprising adding to the polymer blend a compatibilizer which is an isoolefin/para-alkylstyrene copolymer represented by the formula ##STR1## in which R and R' can be hydrogen, alkyl, and the primary and secondary alkyl halides, "a" ranges from about 14 to about 70,000, "b" ranges from 0 to about 70,000, "c" ranges from 0 to about 70,000, "d" ranges from about 1 to about 70,000, X is a halogen, and Nu is a nucleophilic residue provided by a polymeric nucleophile.

Abstract: Polymers containing a high percentage of vinyl alcohol units may be blended with copolymers of alkyl methacrylates and unsaturated organic acids and processed into sheet, film, fiber and other objects which exhibit an useful balance of barrier and strength properties.

Abstract: The present invention relates to an impact resistant polystyrene composition which comprises an (A) styrenic polymer having syndiotactic configuration and a (B) rubbery elastomer modified by a modifier having a polar group, or to an impact resistant polystyrene composition which comprises the aforesaid composition and a (C) rubbery elastomer and/or a (D) poly(phenylene ether).The polystyrene compositions according to the present invention are excellent in heat resistance, modulus of elasticity, impact resistance and extensibility and thus are expected to find effective use for molding electric and electronic materials, industrial construction materials, automobile part, domestic electrical appliances, industrial materials such as various machine parts, etc.

Abstract: High impact polystyrene (HIPS) and other impact modified styrenic polymers such as ABS and MBS tend to suffer from environmental stress cracking. On extended exposure to oily or fatty substances the plastic tends to craze, then crack and finally break. Unfortunately, a number of applications for impact modified polymers is in areas where there is a high potential to contact with oily or fatty substances. The environmental stress crack resistance (ESCR) of impact modified styrenic polymers may be increased by increasing the particle size of the impact modifier and including a low molecular weight polybutene.

Abstract: Conveyor belt, obtainable by application of a block copolymer composition, comprising at least an optionally modified block copolymer, containing at least two terminal poly(vinylaromatic) blocks and at least one internal poly(conjugated diene) block, a non-aromatic plasticizing oil, and a terminal block compatible resin on at least one side of a fabric having from 5 to 25 threads per cm and process for the manufacture of it, while the threads in said fabric have a thickness in the range of from 2.mu. to 300.mu..

Abstract: A flowable uncured adhesive elastomeric composition suitable for delivery to assembly sites by pumping through supply lines is provided, which has a tensile strength suitable for formation of a strong bond, comprising: (a) an elastomer having a viscosity higher than flowable; (b) a synthetic resin curable by the same cure system as said non-flowable elastomer in an amount sufficient to lower the viscosity of the mixture to a pumpable level; (c) an unsaturated polymeric adduct of a dicarboxylic acid or dicarboxylic acid derivative in an amount sufficient to provide adhesive properties to the mixture; and (d) a curing agent. Preferably the composition also comprises a crosslink-enhancing coagent in an amount sufficient to lower percent elongation and increase adhesive bond strength of the cured elastomer. The compositions are useful for bonding substrates such as other elastomers, metals, plastics, glass, fibers, paper and fabrics.

Abstract: Polymers containing a high percentage of vinyl alcohol units may be blended with copolymers of alkyl methacrylates and unsaturated organic acids and processed into sheet, film, fiber and other objects which exhibit an useful balance of barrier and strength properties.

Abstract: Disclosed is a thermoplastic resin composition comprising (A) an amorphous resin and further comprising, per 100 parts by weight of the amorphous resin,0.01 to 20 parts by weight of (B) an epoxy group containing ethylene copolymer, and0.01 to 20 parts by weight of at least one member selected from the group consisting of (C) a polyfunctional compound and (D) a carboxylic acid metal salt, wherein the polyfunctional compound contains, per molecule, at least two identical or different functional groups selected from the group consisting of carboxyl group, amino group, carboxylic acid anhydride group and a unit represented by the formula (1) ##STR1## wherein X and Y are identical and each represents oxygen atom or sulfur atom, or one of X and Y is an oxygen atom and the other is a sulfur atom, or wherein the polyfunctional compound contains, per molecule, at least one unit represented by the formula (2) ##STR2## wherein Z represents oxygen atom or sulfur atom.

Abstract: Polymers containing a high percentage of vinyl alcohol units may be blended with copolymers of alkyl methacrylates and unsaturated organic acids and processed into sheet, film, fiber and other objects which exhibit an useful balance of barrier and strength properties.

Abstract: A repositionable pressure-sensitive adhesive comprising from about 70% to about 99% solid, polymeric, acrylate, inherently tacky, infusible, solvent-insoluble, solvent-dispersible, elastomeric microspheres comprising at least one alkyl acrylate or alkyl methacrylate ester; and at least one polar monomer, and correspondingly, from about 30% to about 1% of a binder copolymer comprising an elastomeric polymeric backbone having pendant therefrom high Tg polymeric moieties.

Abstract: The invention relates to a curable composition containing as component A) compounds with at least two activated double bonds (I), these being .alpha.,.beta.-unsaturated carbonyl compounds, .alpha.,.beta.-unsaturated carboxylic acid esters or .alpha.,.beta.-unsaturated nitriles, and compounds B) which contain at least two active hydrogen atoms or at least two groups with active hydrogen atoms or at least one active hydrogen atom and at least one group with an active hydrogen atom, and customary additives, catalysts, if appropriate pigments and an organic solvent. Either component A) or B) or components A) and B) are based on a branched soluble acrylate copolymer (P) which is obtainable by copolymerization ofa) 3 to 30% by weight of monomers with at least two ethylenically unsaturated polymerizable double bonds,b) 5 to 60% by weight of monomers with a functional group andc) 5 to 92% by weight of other ethylenically unsaturated monomers,the sum of a), b) and c) being 100% by weight.

Abstract: There is provided a heat-resistant, propylene resin-based molding material, comprising the following components (A) and (B):component (A): 3 to 97% by weight of a resin-impregnated glass fiber bundle comprising:constituent (a.sup.1): 20 to 80 parts by weight of glass fibers having a length of at least 3 mm and an average diameter of 20 .mu.m or less, andconstituent (a.sup.2): 80 to 20 parts by weight of a crystalline propylene polymer at least partly modified with an unsaturated carboxylic acid or a derivative thereof, the MFR of the modified polymer being 50 g/10 min or more, in which the glass fibers are present in the constituent (a.sup.2) in such a state that they are arranged almost in parallel with one another; andcomponent (B): 97 to 3% by weight of a crystalline propylene polymer having an MFR of 50 g/10 min or more.