Latex composition and film molded body
AssigneeZeon Corporation
InventorsNaohiro Igari, Misa Yamamoto, Masaru Kitagawa, Shinji Kato
Life of this patent
Estimating the term…
Abstract
A latex composition has a latex of a carboxyl group-containing conjugated diene rubber and a metal compound including a trivalent or higher metal, wherein a content of the metal compound is 0.1 to 1.5 parts by weight, based on 100 parts by weight of the carboxyl group-containing conjugated diene rubber.
Claims14
A latex composition comprising a latex of a carboxyl group-containing conjugated diene rubber (A), a metal compound (B) including a trivalent or higher metal, and at least one alcoholic hydroxyl group-containing compound (C) selected from the group consisting of a saccharide (c1), a sugar alcohol (c2), a hydroxy acid (c3), and a hydroxy acid salt (c4), wherein
- a content of the metal compound (B) is 0.1 to 1.5 parts by weight, based on 100 parts by weight of the carboxyl group-containing conjugated diene rubber (A).
A method for producing a latex composition comprising a latex of a carboxyl group-containing conjugated diene rubber (A), and a metal compound (B) including a trivalent or higher metal, and at least one alcoholic hydroxyl group-containing compound (C) selected from the group consisting of a saccharide (c1), a sugar alcohol (c2), a hydroxy acid (c3), and a hydroxy acid salt (c4), comprising:
- a first step of obtaining the latex of the carboxyl group-containing conjugated diene rubber (A) by emulsion polymerization of a monomer mixture comprising at least a conjugated diene monomer and an ethylenically unsaturated carboxylic acid monomer at 0 to 25° C.;
- and
- a second step of blending the metal compound (B) and the alcoholic hydroxyl group-containing compound (C) with the latex of the carboxyl group-containing conjugated diene rubber (A).
A method for producing a latex composition comprising a latex of a carboxyl group-containing conjugated diene rubber (A), and a metal compound (B) including a trivalent or higher metal, and at least one alcoholic hydroxyl group-containing compound (C) selected from the group consisting of a saccharide (c1), a sugar alcohol (c2), a hydroxy acid (c3), and a hydroxy acid salt (c4), comprising:
- a first step of obtaining the latex of the carboxyl group-containing conjugated diene rubber (A) by emulsion polymerization of a monomer mixture comprising at least a conjugated diene monomer and an ethylenically unsaturated carboxylic acid monomer in the presence of 0.15 to 0.95 parts by weight of a chain transfer agent based on 100 parts by weight of the monomer mixture;
- and
- a second step of blending the metal compound (B) and the alcoholic hydroxyl group-containing compound (C) with the latex of the carboxyl group-containing conjugated diene rubber (A).
Dependencies are inferred from the claim text.