Abstract: Polymers containing N-phenylimide groups are made by reacting polymers containing succinic or glutaric anhydride groups with a substituted or unsubstituted aminobenzoic acid in a devolatilizing extruder at a barrel temperature of about 180° to about 320° C., whereby complete decarboxylation takes place during the formation of the N-phenylimide groups.

Abstract: A thermoplastic composition includes a poly(arylene ether), a poly(alkenyl aromatic) resin, a polyolefin, a hydrogenated block copolymer of alkenyl aromatic compound and a conjugated diene having an alkenyl aromatic content of about 40 to about 90 weight percent, and an unhydrogenated block copolymer of an alkenyl aromatic compound and a conjugated diene. The composition exhibits excellent stiffness-impact strength balance, low property variability, and long melt hang time.

Abstract: An object of the present invention is to provide a heavy metal ion scavenger having more excellent scavenging performance than previously. In order to attain this object, organic polymer materials of the present invention are characterized in that they have a polymer side chain derived from a haloalkyl-substituted styrene on the backbone of an organic polymer base and a functional group capable of forming a complex with a heavy metal ion has been introduced onto said polymer side chain. These organic polymer materials have excellent heavy metal ion scavenging performance so that they can be suitably used as heavy metal ion scavengers.

Abstract: Novel polystyrene grafted polyolefin compositions having a high level of grafting are made using a novel process which involves suspending styrene in water. The polystyrene grafted polyolefin compositions can then be converted into ion exchange membranes that are particularly useful in electrolytic cells.

Abstract: A thermoplastic molding composition comprising a grafted acrylate rubber (ASA) and a gloss reducing agent and a process for making the same are disclosed. The gloss reducing agent is the reaction product of (i) an epoxidized grafted rubber having two or more epoxy groups in its graft phase and (ii) a compound having two or more terminal primary amine groups per molecule The gloss reducing agent may be either incorporated in ASA as the reaction product of (i) and (ii) or, in the altemative, formed upon the reaction of (i) with (ii) in the course of the thermal processing of the a blend containing ASA, (i) and (ii).

Abstract: The present invention relates to a hot-melt adhesive composition comprising: 20 to 80% of a blend comprising: 50 to 100% of (A), which denotes a polyamide-block graft copolymer consisting of a polyolefin backbone and at least one polyamide graft, 0 to 50% of at least one polymer (B) chosen from polyolefins and polyamides; 80 to 20% of a blend comprising at least one tackifying resin and optionally at least one product chosen from waxes, plasticizers and mineral fillers; in which: the said graft is attached to the backbone via the residues of an unsaturated monomer (X) chosen from unsaturated carboxylic acids, anhydrides of unsaturated carboxylic acids and unsaturated epoxides; the residues of the unsaturated monomer (X) are attached to the backbone by grafting or copolymerization from its double bond; the molar mass {overscore (M)}n of the grafts is between 1000 and 5000; the melting point of the grafts is between 100 and 190° C.; and the MFI of (A) is between 1 and 500 (g/10 mm at 190° C.

Abstract: An object of the present invention is to provide a separation functional material having more excellent adsorptive separation performance than previously. In order to attain this object, separation functional materials of the present invention are characterized in that they are formed by introducing a polymer side chain derived from a p-haloalkylstyrene onto the backbone of an organic polymer base and introducing a functional group onto the polymer side chain.

Abstract: A thermoplastic molding composition comprising A) at least one member selected from the group consisting of polycarbonate and polyestercarbonate and B) a phosphorus compound is disclosed. The composition wherein A) is a mixture of (A.1) 99.9 to 40 wt. % of branched member, and (A.2) 0.1 to 60 wt. % of linear member, is characterized by high melt stability and improved mechanical properties, particularly improved stress crack resistance under the effect of chemicals and a higher notched impact resistance. The composition is especially suitable for producing profiles, films or sheets of any type in an extrusion process.

Abstract: The graft copolymer made from a1: from 10 to 90% by weight of a particulate graft base A1, made from a particulate emulsion polymer with a glass transition temperature below 0° C.

Abstract: Adhesive compositions which exhibit significantly improved adhesion to metals and polyolefins are provided. The compositions are blends of one or more polyolefin base resins and graft-modified polyolefin to which a low level of adhesion promoter is added.

Abstract: Thermoplastic molding materials containing the following ingredients with regard to components A-F: A) 5-70 wt. % of at least one graft copolymer A) consisting of a rubber elastic base with a glass transition temperature below 0° and a grafted overlay made of a styrene compound and acrylonitrile or methacrylonitrile or mixture thereof in addition to, optionally, other monoethylenically unsaturated monomers, B) 29-90 wt. % of a hard copolymer made of at least one styrene compound, acrylonitrile or methacrylonitrile or mixtures thereof and, optionally, other monoethylenically unsaturated monomers, C) 0-5 wt. % of at least one three-block copolymer X-Y-X with a middle block Y propylenoxide units and terminal block X made of ethyleneoxide units, D) 0.01-5 wt. % of at least one butylated reaction product of cresol with dicyclopentadiene, E) 0.01-5 wt. % of at least one thiocarboxylic acid ester, F) 0.01-5 wt.

Abstract: A molding composition having good surface gloss, high elongation at break and good thermoplastic processability is disclosed. The composition contains (A) a graft polymer that is obtained by free-radical polymerization of resin-forming vinyl monomers in the presence of rubber in latex form, (B) a copolymer of styrene and acrylonitrile and an optional (C) a resin selected from the group consisting of polycarbonates, polyester-carbonates, polyesters and polyamides. The preparation of the graft polymer is characterized in that (i) before the start of the grafting polymerization reaction the rubber latex is brought to a pH of 9 to 11, (ii) the redox initiator components are employed in amounts of 0.1 to 2.5 wt. % (based on the monomers metered in) and (iii) during the entire grafting polymerization reaction the pH remains constant±0.5 and in the range of 11.0 to 8.8, and (iv) the temperature difference between the start and end of the reaction is at least 10° C.

Abstract: A rubber-modified resin obtained by conducting polymerization of a vinyl monomer in the presence of a mixed rubber latex of a silicone rubber latex (A) and an acrylic rubber latex (B), during which polymer particles are coagglomerated to enhance the particle size. The rubber-modified resin is useful as impact modifier and provides thermoplastic resin compositions having an excellent impact resistance by the incorporation thereof into thermoplastic resins.

Abstract: An object of the present invention is to substantially improve the compatibility between a radical copolymerizable unsaturated resin and an addition polymerized polymer (thermoplastic resin) which is added for the purpose of low profile and improvement of physical properties. The present invention provides a compatibilizing agent for compatibilizing a radical copolymerizable unsaturated resin with an addition polymerized polymer, characterized in that said compatibilizing agent is a graft copolymer (A) which contains a styrene monomer as a principal component, and has a principal chain (A1) consisting of a copolymer with a (meth)acrylate monomer and a side chain (A2) selected from a ring-opening polymerized polyether side chain consisting of a polyoxyalkylene ether, a polyester side chain, and a polycarbonate side chain, the side chain (A2) being bonded to the principal chain.

Abstract: A biodegradable thermoplastic material comprising a natural polymer, a plasticizer and an exfoliated clay having a layered structure and a cation exchange capacity of from 30-250 milliequivalents per 100 grams and a process of preparing a biodegradable thermoplastic material comprising preparing a suspension of clay, combining said suspension with a natural polymer and a plasticizer and extruding the resultant composition at a temperature of 35-200° C.

Abstract: The present invention provides a thermosetting composition which is excellent especially in storage stability and solid physical properties and can be used as automotive body sealers or undercoats. The thermosetting composition according to the present invention comprises an acrylic plastisol consisting of a plasticizer having acrylic resin particles having a gradient-type structure in which the monomer unit proportion changes from the core to the shell multistep-wise or continuously and a filler dispersed therein and therewith formulated, as a thermosetting material, a blocked urethane prepolymer or blocked polyisocyanate compound and a latent curing agent therefor.

Abstract: The thermal stability of a polymer is improved by blending, before melt processing, (1) a polymer selected from (a) olefin polymers, (b) polymers of vinyl-substituted aromatic compounds, (c) polymers of substituted acrylic esters, and (d) graft copolymers comprising a backbone of a propylene polymer material having a substituted acrylic ester graft polymerized thereto, and (2) about 0.1% to about 5% of at least one unsaturated aliphatic compound having a molecular weight of at least 200 and an iodine number of at least 10, e.g., soybean oil.

Abstract: A resin which has excellent adhesion to nonpolar substrates, is nontacky, and has satisfactory solubility in aromatic or nonaromatic solvents and satisfactory compatibility with other resins. The resin is a modified polyolefin resin having a weight-average molecular weight of 15,000 to 150,000 obtained by modifying a polyolefin resin by grafting thereto (A) an unsaturated polycarboxylic acid or a derivative thereof and (B) a (meth)acrylic ester represented by a specific general formula, the contents of (A) and (B) in the modified polyolefin resin being 0.1 to 20 wt. % and 0.1 to 30 wt. %, respectively.

Abstract: The invention concerns a high-frequency weldable and low-temperature flexible polymer mixture containing a copolymer of ethylene with a polar comonomer selected from the group of vinyl esters of saturated C2-C8 carboxylic acids, C1-C12 alkyl acrylates, and/or methacrylates, with the comonomer content being less than approximately 25% by weight, a terpolymer and/or copolymer of ethylene, propylene, and/or butylene, and a polar comonomer, with the comonomer content being less than approximately 25% by weight, and a thermoplastic polyolefin. The invention also provides a sheet or a molded piece containing the polymer mixture according to the invention and use thereof. Articles made with the polymer exhibit a high degree of low-temperature flexibility and favorable thermal stability together with sufficient high-frequency weldability and favorable welding seam strength.

Abstract: A core-shell particle for use as filler in rubber compositions. In one embodiment, the particle comprises a crosslinked core having repeat aromatic vinyl units. During an emulsion polymerization, a crosslinked shell comprising of conjugated diene units is grafted onto the core through residual vinyl units. The polymeric shell provides for better interaction and dispersion of the styrene core in an otherwise immiscible polymer matrix, particularly diene-based polymers. In another embodiment, the core has repeat units of (i) about 0% to about 25% by weight of a conjugated diene unit, (ii) about 70% to about 85% by weight of an aromatic vinyl unit, and (iii) about 15% to about 30% by weight of a crosslinking monomer unit.

Abstract: The graft copolymer (G) of the present invention is a graft copolymer which is prepared by emulsion graft polymerization of a rubber polymer comprising 0-50% by weight of a butadiene unit and 50-100% by weight of a (meth)acrylate unit and at least one monomer selected from aromatic alkenyl compound, methacrylate, acrylate and vinyl cyanide compound, said graft copolymer containing 0.5-2.0% by weight of an emulsifier residue. The thermoplastic resin composition containing the graft copolymer of the present invention causes less gas evolution during the molding, provides a molded article with good gloss of molding, and has excellent weather resistance, impact resistance and fluidity.

Abstract: A resin for the encapsulation of a photosemiconductor element which comprises a polycarbodiimide having a specific structure; a photosemiconductor device including a photosemiconductor element encapsulated with the resin; and a process for producing the photosemiconductor device which includes the steps of placing the resin on a photosemiconductor element and heating the resin. The resin enables the photosemiconductor element to maintain high brightness when it is a light-emitting element and to maintain high photodetection sensitivity when it is a photodetector, and also enables the photosemiconductor element to be easily encapsulated.

Abstract: A process for making an aqueous emulsion of self-emulsifiable polyolefin employs a high molecular weight functionalized polyolefin and a hydrophilic polymer. The aqueous emulsion can be used to prepare a hybrid polyolefin-polyurethane dispersion useful, inter alia, as an adhesion-promoting coating for polymers such as the polyolefins.

Abstract: A thermoplastic molding composition characterized in its color homogeneity is disclosed. The composition that is suitable for preparing automotive parts contains A) 4 to 80% of at least one polyalkylene terephthalate, B) 10 to 90% of at least one aromatic polycarbonate, C) 1.5 to 30% of at least one AES graft polymer, D) 0 to 54% of at least one mineral filler in particulate form, E) 0.01 to 10% of a coloring material and F) 0 to 10% of at least one functional additive, the percents, all occurrences being relative to the weight of the composition.

Abstract: A thermoplastic molding composition that features constancy of properties, especially toughness and processability is disclosed. The composition contains a first graft rubber polymer that is a product of emulsion polymerisation of styrene and acrylonitrile in the presence of a butadiene polymer latex (A) with a mean particle diameter d50 of 80 to 220 nm, a second graft rubber polymer obtained by emulsion polymerisation of styrene and acrylonitrile in the presence of a butadiene polymer latex (B) with a mean particle diameter d50 of 340 to 480 nm, and a rubber-free copolymer of styrene and acrylonitrile. Importantly, the butadiene polymer latex (A) is the product of seed polymerization using a seed latex with a mean particle diameter of 10 to 100 nm, and the butadiene polymer latex (B) is the product of seed polymerisation using the butadiene polymer latex (A) as seed latex.

Abstract: The present invention provides a method of preparing a monomer-grafted syndiotactic polystyrene with polarity, which comprises (a) forming swollen syndiotactic polystyrene by mixing with a syndiotactic polystyrene in powder state and a radical initiator in a solvent at the temperature of 40-80° C. using a batch reactor, and (b) grafting a monomer selected from the group consisting of maleic anhydride, maleic imide and derivatives thereof onto the swollen syndiotactic polystyrene.

Abstract: A polymer material, in particular for a medical instrument such as a balloon catheter, is provided. The polymer material comprising a combination at least of a first constituent comprising a partly crystalline polymer and a second constituent for increasing the flexibility of the material, wherein the polymer material is in the form of a polymer alloy, and wherein the first constituent is formed of a polyamide or a polyether block amide and the second constituent is formed at least partly by a thermoplastic elastomer based on polystyrene (TPE-S). A process for producing the polymer material and a medical device incorporating the polymer material are also provided.

Abstract: A thermoplastic molding composition suitable for producing article having improved surface quality is disclosed. The composition includes A) at least one polymeric resin selected from the group consisting of polycarbonate, polyester carbonate, polyamide, polyalkylene terephthalate and polyoxymethylene, and B) a co-precipitated mixture of graft polymer B.1 the preparation of which entailed redox initiation and graft copolymer B.2 the preparation of which entailed persulfate initiation.

Abstract: The invention relates to thermoplastic compositions comprising: −40 to 97 parts of a thermoplastic polymer (M) forming a matrix, chosen from polyamides, polyamide block copolymers, fluoro polymers, polycarbonate, styrene resins, PMMA, thermoplastic polyurethanes (TPU), copolymers containing polyester blocks and polyether blocks, polycarbonate-polyester alloys, polyketones, PVC and ethylene-vinyl alcohol copolymers (EVOH), −60 to 3 parts of (B) comprising: either an ethylene-alkyl (meth)acrylate copolymer (B1), the alkyl having at least 5 carbon atoms, which copolymer (B1) carries a functional group or a blend of an ethylene-alkyl (meth)acrylate copolymer (B2), the alkyl having at least 5 carbon atoms, which copolymer (B2) does not carry a functional group, and of an impact modifier which carries a functional group.

Abstract: The present invention is intended to provide a branched polyolefin having various excellent properties, a process for preparing the branched polyolefin and a thermoplastic resin composition containing the branched polyolefin. This branched polyolefin comprises an olefin chain (A) and olefin chain(s) (B) which have recurring units obtained from at least one olefin as main constituent units. In the branched polyolefin, the olefin chain (B) is linked to a position other than both ends of the olefin chain (A), and at least one olefin chain (B) per one olefin chain (A) is present. The process for preparing a branched polyolefin comprises allowing a functional group-containing polyolefin (C) having one or more carboxyl groups and/or acid anhydride groups at positions other than both ends to react with a terminal modified polyolefin (D) having a group capable of reacting with a carboxyl group or an acid anhydride group at only the position of chain end.

Abstract: A method of forming a toughened article from a blend of a thermoplastic polymer and a comb copolymer is disclosed, along with the toughened article produced thereby. Compositions such as solids blends and melt blends, including a thermoplastic polymer and a comb copolymer, are also disclosed.

Abstract: Thermoplastic polymer compositions, films, continues, closures, laminates can comprise a modified vinyl polymer said modified polymer having a moiety comprising a cyclodextrin compound. The cyclodextrin compound, locked into the polymer structure, can absorb impurities, permeants, or other undesirable volatile materials. The cooperation between the cyclodextrin grafted onto the thermoplastic polymer and the polymer structure can provide barrier properties to a film, web or other polymer structure. A permeant or a contaminant can be complexed or trapped within the polymer and held within the film or Web preventing the permeant or contaminant from passing into the interior of a container or enclosure.

Abstract: To provide a polyacetal resin material in which an excellent sliding property is given and the appearance, dimensional precision, mechanical properties, etc. of the molded article thereof are improved as well. That is, a branched polyacetal resin composition, comprising 100 parts by weight of a branched polyacetal copolymer (A) having an oxymethylene group as the main repeating unit and having a specific branching unit, and 0.5 to 40 parts by weight of at least one polymer (B) selected from the group consisting of the following polymer (B-1) and (B-2), i.e. polymer (B-1): a graft or block copolymer prepared from an olefin polymer (b-1) and at least one vinyl polymer (b-2); and polymer (B-2): a modified olefin polymer in which an olefin polymer (b-3) is modified with at least one compound selected from the group consisting of an unsaturated carboxylic acid, an unsaturated carboxylic acid anhydride and derivatives thereof and/or 0.1 to 5 parts by weight of a lubricant (C).

Abstract: A method of forming a toughened article from a blend of a thermosetting polymer and a comb copolymer is disclosed, along with the toughened thermoset article produced thereby. Compositions including a thermosetting polymer and a comb copolymer are also disclosed.

Abstract: An impact modifier comprising a rubber-modified resin having a toluene-insoluble matter content of at least 70% by weight obtained by conducting polymerization of a vinyl monomer in the presence of acrylic rubber particles, during which polymer particles are agglomerated to enhance the particle size. The impact modifier provides thermoplastic resin compositions having an excellent impact resistance by the incorporation thereof into various thermoplastic resins.

Abstract: The object of the present invention is to provide a molding thermoplastic resin material giving resin mold whose quality and value are substantially equal to original resin mold even in a case where said resin mold is recycled. To attain said object, olefin group rubber and/or acrylic rubber to which monomer(s) being the same or similar monomer as (to) monomer(s) composing said molding thermoplastic resin material is(are) graft-copolymerized to give said rubbers compatibility with said molding thermoplastic resin material is(are) added in said molding thermoplastic resin material to improve said equal quality recycling property (property that quality and value are substantially equal to original thermoplastic resin mold even in a case where said thermoplastic resin mold is recycled).

Abstract: A production method of polymer particles produces graft polymer particles by contacting a coagulant with a polymer latex (A) obtained by graft polymerizing a monomer containing methylmethacrylate to a rubber-like polymer. The method comprises a coagulation step in which polymer latex (A) is discharged into a stirring tank from an immersed nozzle provided so that the cross-sectional surface area of the discharge portion is 40 mm2 or more and the direction of discharge is facing in the same direction as the flow in the stirring tank and so that the linear velocity at the nozzle outlet is a velocity of 50-350 mm/s, and contacted with a coagulant to coagulate the graft polymer and obtain a slurry liquid; and a solidification step in which the resulting slurry liquid is held at a temperature of 60-100° C. to solidify the coagulated graft polymer.

Abstract: The invention relates to a molding composition comprising, based on the total of components A to G, which is 100% by weight, a) as component A of the molding composition, from 1 to 99,59% by weight of at least one polycondensate, b) as component B, from 0.1 to 20% by weight of at least one particulate graft copolymer with a glass transition temperature of the soft phase below 0° C. and with a median particle size of from 50 to 1000 nm, c) as component C, from 0.1 to 20% by weight of at least one copolymer made from the following monomers c1) as component C1, from 50 to 90% by weight of at least one vinylaromatic monomer, and c2) as component C2, from 10 to 50% by weight of acrylonitrile and/or methacrylonitrile, in each case based on component C, d) as component D, from 0 to 20% by weight of a copolymer similar to component C, where the content in % by weight of acrylonitrile and/or methacrylonitrile in component C differs from that in component D, e) as component E, from 0.

Abstract: A thermoplastic molding composition comprising a grafted acrylate rubber (ASA) and a gloss reducing agent and a process for making the same are disclosed. The gloss reducing agent is the reaction product of (i) an epoxidized grafted rubber having two or more epoxy groups in its graft phase and (ii) a compound having two or more terminal primary amine groups per molecule The gloss reducing agent may be either incorporated in ASA as the reaction product of (i) and (ii) or, in the alternative, formed upon the reaction of (i) with (ii) in the course of the thermal processing of the a blend containing ASA, (i) and (ii).

Abstract: The thermoplastic molding compositions proposed comprise A) from 20 to 90% by weight, preferably from 30 to 80% by weight, particularly preferably from 40 to 75% by weight, of a thermoplastic polymer, and B) from 10 to 80% by weight, preferably from 20 to 70% by weight, particularly preferably from 25 to 60% by weight, of a crosslinked rubber having two or more phases, where the polymer A has a viscosity number, measured on a 0.5% strength solution in dimethylformamide at 23° C., of from 50 to 70 ml/g, preferably from 55 to 65 ml/g, and where at least 80% by number, preferably at least 85% by number, particularly preferably at least 90% by number, of the rubber particles B in the dispersion, after the preparation thereof, have a diameter of <0.2 &mgr;m, preferably <0.18 &mgr;m, particularly preferably <0.15 &mgr;m.

Abstract: A heat-resistant engineering-plastic composition that satisfies a soldering-heat resistance of 260° C. for 10 to 60 secs., that is less costly, that is free of problems in injection molding process, and that is excellent in heat-aging resistance. A heat-resistant molded product made with the heat-resistant engineering-plastic composition, such as a connector mounted on printed circuit board. The heat-resistant molded product is produced by (a) melt-kneading (a1) an engineering plastic either having or introduced an active site for reacting with a specific functional group and (a2) either an organic compound that has both the said specific functional group and a polymerizing functional group in the same molecule or polyolefin that has the said specific functional group described in (a1) to obtain a resin composition, (b) melt-molding the resin composition comprising of (a), and (c) irradiating the melt-molded resin composition with ionizing radiation.

Abstract: A method of forming a toughened article from a blend of a thermoplastic polymer and a comb copolymer is disclosed, along with the toughened article produced thereby. Compositions such as solids blends and melt blends, including a thermoplastic polymer and a comb copolymer, are also disclosed.

Abstract: An object of the present invention is to substantially improve the compatibility between a radical copolymerizable unsaturated resin and an addition polymerized polymer (thermoplastic resin) which is added for the purpose of low profile and improvement of physical properties. The present invention provides a compatibilizing agent for compatibilizing a radical copolymerizable unsaturated resin with an addition polymerized polymer, characterized in that said compatibilizing agent is a graft copolymer (A) which contains a styrene monomer as a principal component, and has a principal chain (A1) consisting of a copolymer with a (meth)acrylate monomer and a side chain (A2) selected from a ring-opening polymerized polyether side chain consisting of a polyoxyalkylene ether, a polyester side chain, and a polycarbonate side chain, the side chain (A2) being bonded to the principal chain.

Abstract: A directly paintable polyolefin composition contains (1) a graft copolymer, composition containing (a) a graft copolymer having a backbone of propylene polymer material having graft polymerized thereto at least one vinyl monomer capable of being polymerized by free radicals, (b) a rubber component, and, optionally, (c) a broad molecular weight distribution propylene polymer material, (2) an oxidized polyethylene wax, (3) a propylene-homopolymer or copolymer grafted with an anhydride of an aliphatic &agr;,&bgr;-unsaturated dicarboxylic acid, (4) a functionalized polymer that is reactive with the anhydride groups of the grafted polymers, (5) optionally, a polyolefin rubber grafted with an anhydride of an aliphatic &agr;,&bgr;-unsaturated dicarboxylic acid, and (6) optionally, an ethylene polymer grafted with an anhydride of an aliphatic &agr;,&bgr;-unsaturated dicarboxylic acid.

Abstract: Amino acid functionalized polymers useful for graft copolymerization prepared by reacting a mixture containing, for chain transfer, a thio-substituted amino acid and an ethylenically unsaturated monomer.

Abstract: This invention relates to use of copolymers which are obtained through copolymerization, in the presence of a radical-polymerization initiator, of monomeric mixtures comprising: macromonomers obtained by (co)polymerizing, in the presence of a metal complex which is a catalytic chain transfer agent or an addition-cleavage-type chain transfer agent, and optionally a radical-polymerization initiator, at least one polymerizable monomer selected from methacrylic acid esters and styrene and if necessary methacrylic acid, or the macromonomers into which polymerizable unsaturated groups are further introduced; polymerizable unsaturated monomers containing at least one ionic functional group selected from amino, quaternary ammonium salt and sulfonic acid groups; polyoxyalkylene chain-containing nonionic polymerizable unsaturated monomers; and other ethylenically unsaturated monomers (D); and also such copolymers into which long chain alkyl groups are further introduced, as pigment-dispersing resins to be used in w

Abstract: There is disclosed a process for producing films from ethylene-&agr;-olefin interpolymers, which films have, in combination, the properties of improved surface haze, improved stiffness, and improved color. The process involves incorporating from about 0.1 to less than 1% by weight, of a functionalized ethylene homopolymer or functionalized ethylene interpolymer into an ethylene-&agr;-olefin interpolymer-containing composition, and forming a film from the composition.

Abstract: The present invention relates to a polyvinylbutyral (PVB) composition that is useful for blending with other polymers. The PVB composition of the present invention can be stored and used at ambient temperature without the occurrence of blocking by the PVB.

Abstract: A powdery high rubber impact modifier composition containing two or more populations of polymer particles having a total rubbery weight fraction of greater than 90 weight percent is provided. Aqueous polymer particle dispersions for preparing these high rubber impact modifiers which can be spray dried to a powder are also provided. Also provided are polymeric compositions having a matrix resin component and the powdery high-rubber impact modifiers.

Abstract: A coating composition containing about 40-90% by weight of film forming binder and 10-60% by weight of an organic liquid carrier; wherein the binder contains about (a) 10-70% by weight, based on the weight of the binder, of a dispersed gelled acrylic polymer having (i) a core of gelled polymerized ethylenically unsaturated monomers which is not soluble in the organic liquid carrier and having chemically grafted thereto (ii) substantially linear stabilizer polymeric components that are soluble in the organic liquid carrier and comprise polymerized ethylenically unsaturated monomers and have a weight average molecular weight of about 500-20,000 determined by GPC (gel permeation chromatography) using polystyrene as the standard; wherein the core, the stabilizer polymeric component, or both contain at least 3% by weight of polymerized ethylenically unsaturated monomers having isocyanate groups attached thereto that are capable of reacting with component (b); (b) 30-90% by weight, based on the weight of the b