Provided is a polymethallyl alcohol copolymer having a structural unit (A) represented by the following formula (A) and a structural unit (B) represented by the following formula (B), a molar ratio (A)/(B) of the structural unit (A) to the structural unit (B) being greater than or equal to 0.5; a method of producing the copolymer; and a molding containing the copolymer. In the formula (B), X represents at least one selected from the group consisting of a hydrogen atom, an alkoxy group, a hydroxy group, and an alkyl group having 1 to 3 carbon atoms.

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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 to a process for manufacturing a polymer composition comprising a multistage polymer and its use as impact modifier in thermoplastic compositions.

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 to a process for manufacturing a polymer composition comprising a multistage polymer and its use as impact modifier in thermoplastic compositions.

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.

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.

The present application relates to a polymer, a method for preparing the same, and a use thereof. The present application provides a polymer, a method for preparing the same, and a use thereof. The present application can provide: a polymer, which has a composition for allowing a low solubility in polar and non-polar solvents and can be prepared in a simple polymerization manner, such as solution polymerization; and a use thereof.

A copolymer includes a first structural unit selected from Chemical Formula 1, Chemical Formula 2, and a combination thereof and a second structural unit selected from Chemical Formula 3, Chemical Formula 4, and a combination thereof; and a composition including the copolymer and an article manufactured from the composition are provided.

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Definitions of Chemical Formulae 1 to 4 are the same as described in the detailed description.

Emulsion polymer particles comprising from 25 to 45 wt % polymerized residues of at least one C.sub.3-C.sub.6 carboxylic acid monomer and from 0.1 to 2 wt % polymerized residues of at least one crosslinker, wherein the particles have a Tg which occurs over a range of at least 60° C.

Emulsion polymer particles comprising from 25 to 45 wt % polymerized residues of at least one C.sub.3-C.sub.6 carboxylic acid monomer and from 0.1 to 2 wt % polymerized residues of at least one crosslinker, wherein the particles have a Tg which occurs over a range of at least 60° C.

A thermoplastic polymeric nanocomposite particle made by a method comprising: forming a polymer by polymerizing a reactive mixture comprising at least one of a monomer, an oligomer, or combinations thereof; said monomer and oligomer having two reactive functionalities, said polymerizing occurring in a medium also containing dispersed nanofiller particles possessing a length that is less than 0.5 microns in at least one principal axis direction, wherein said nanofiller particles comprise at least one of dispersed fine particulate material, fibrous material, discoidal material, or combinations of such materials, whereby said nanofiller particles become incorporated into the polymer.