Polyvinyl alcohol-stabilized (meth)acrylic ester polymers, processes for preparing and uses for the same. Where the polyvinyl alcohol-stabilized (meth)acrylic ester polymers have particle sizes Dw of from 100 to 900 nm in the form of aqueous dispersions or water-redispersible powders. Where the (meth)acrylic ester polymers are based on (a) 1% to 30% by weight of one or more vinyl esters of carboxylic acids having 5 to 15 carbon atoms, (b) 20% to 80% by weight of one or more (meth)acrylic esters, wherein the homopolymer of which has a glass transition temperature Tg of ≤20° C., (c) 10% to 70% by weight of one or more (meth)acrylic esters, wherein the homopolymer of which has a glass transition temperature Tg of ≥50° C., and (d) optionally one or more further ethylenically unsaturated monomers. The percentages by weight are based on the total weight of the (meth)acrylic ester polymers.

A method for producing an aqueous dispersion of a fluorine-containing elastomer, including polymerizing a fluorine-containing monomer in the presence of a compound (1) having an aromatic ring, a hydrophilic group, and an unsaturated double bond, and an aqueous medium, to produce an aqueous dispersion of a fluorine-containing elastomer containing -CH.sub.2- in a main chain.

The present invention relates to a multistage polymer, its composition, its process of preparation, and its use as impact modifier in thermoplastic compositions. More particularly the present invention relates a process for manufacturing a multistage polymer, a multistage polymer in thermoplastic compositions, which provides the composition having satisfying thermal stability.

A treated cellulosic material comprising a cellulosic material having a porous structure defining a plurality of pores, at least a portion of the pores containing a treating agent comprising a thermoset comprising a cured epoxy resin. The present disclosure further describes a method for preparing a treated cellulosic material comprising (a) providing a cellulosic material; and (b) a first treatment protocol comprising impregnating the cellulosic material with an aqueous dispersion, the aqueous dispersion comprising an epoxy resin and an emulsifying agent.

A composite polymer composition comprising: the emulsion polymerization product of: (i) an aqueous polyolefin dispersion comprising the melt kneading product of one or more polyolefins, from 0.5 to 25 wt % of one or more dispersion stabilizing agents and water, and (ii) one or more (meth)acrylic monomers; wherein the one or more polyolefins have a Tg equal to or less than 50° C.; wherein the melt kneading product (i) comprises polymer particles having a volume average particle size between 50 nm and 2000 nm dispersed in the water; wherein the one or more dispersion stabilizing agents comprises a fatty acid or fatty acid salt stabilizing agent; and wherein the one or more (meth)acrylic monomers graft onto the polymer particles form composite polymer particles is provide. Also provided is a method of making the composition and impact modifiers comprising the composition.

A maleimide-based copolymer which allows to obtain a resin composition having balanced heat resistance providing property and impact resistance, superior flowabillty, and low yellowness (YI); a maleimide-based copolymer composition using such maleimide-based copolymer; a resin composition.; and an injection molded body are provided. A maleimide-based copolymer, including: aromatic vinyl monomer unit, vinyl cyanide monomer unit, and maleimide monomer unit; wherein: the maleimide-based copolymer has a weight average molecular weight of 50,000 to 110,000; and the maleimide-based copolymer has a mid-point glass transition temperature measured in accordance with JIS K-7121 of 165° C. to 200° C., is provided.

The present invention aims to provide an aqueous dispersion of α-olefin-(meth)acrylic acid ester-based rubber particles having better storage stability and ensuring better oil resistance of a molded body. The present invention also aims to provide a method for producing the aqueous dispersion, a molded body and a resorcin-formalin-latex adhesive each produced using the aqueous dispersion. The present invention relates to an aqueous dispersion of α-olefin-(meth)acrylic acid ester-based rubber particles including: an aqueous medium, a surfactant; and α-olefin-(meth)acrylic acid ester-based rubber particles, the aqueous dispersion containing the surfactant in an amount of 1 to 15 parts by mass relative to 100 parts by mass of the α-olefin-(meth)acrylic acid ester-based rubber particles.

A poly(arylene ether) copolymer wherein the poly(arylene ether) copolymer is a product of oxidative copolymerization of monomers comprising a first monohydric phenol; a second monohydric phenol different from the first monohydric phenol; a multifunctional phenol or polyphenol comprising a novolac, a dicyclopentadiene phenol novolac, or a combination thereof, and optionally, a trisphenol, wherein the functionality of the multifunctional phenol or polyphenol is greater than 2; and optionally, at least one terminal functional group.

A film containing a resin composition containing an aromatic polyetherketone resin (I) and a fluorine-containing copolymer (II). The fluorine-containing copolymer (II) defines a dispersed phase at an average dispersed particle size of 5 .Math.m or smaller. The aromatic polyetherketone resin (I) has a crystallinity of lower than 6%.

The invention relates to aqueous dispersions of fluoropolymers comprising recurring units derived from vinylidene fluoride (VDF) in an amount of from 60% to 82% in moles and recurring units derived from trifluoroethylene (TrFE) in an amount of from 18% to 40% in moles, with respect to the total moles of recurring units, said fluoropolymers possessing an improved thermodynamic ordered structure in the ferroelectric phase.