WATER/OIL REPELLANT COMPOSITION, ARTICLE AND PROCESS FOR PRODUCING ARTICLE

摘要

A water/oil repellent composition which comprises a copolymer (A) comprising from 40 to 95 mass % of monomer (a1)) units, from 1 to 60 mass % of monomer (a2) units and from 0 to less than 5 mass % of monomer (a3) units, a copolymer (B) comprising from 40 to 91 mass % of monomer (b1) units, from 2 to 20 mass % of monomer (b2) units, from 5 to 20 mass % of monomer (b3) units, and from 2 to 20 mass % of vinyl chloride (b4) units, and a liquid medium (C), wherein monomers (a1) and (b1) are (Z—Y)nX [Z is a C1-6 polyfluoroalkyl group, etc., Y is a divalent organic group having no fluorine atom, etc., n is 1 or 2, and X is a specific group having a polymerizable unsaturated group], monomers (a2) and (b2) are vinylidene chloride or vinylidene fluoride, and monomers (a3) and (b3) are a (meth)acrylate having a saturated hydrocarbon group having at least 12 carbon atoms.

主权项

1. A water/oil repellent composition, comprising:
(A) a copolymer (A) comprising from 40 to 95 mass % of units based on a monomer (a1), from 1 to 60 mass % of units based on a monomer (a2), and from 0 to less than 5 mass % of units based on a monomer (a3); (B) a copolymer (B) comprising from 40 to 91 mass % of units based on a monomer (b1), from 2 to 20 mass % of units based on a monomer (b2), from 5 to 20 mass % of units based on a monomer (b3), and from 2 to 20 mass % of units based on a monomer (b4); and (C) a liquid medium (C),wherein:
the monomer (a1) is a unit represented by formula (1):
(Z—Y)nX  (1); the monomer (a2) is a vinylidene chloride unit or a vinylidene fluoride unit; the monomer (a3) is an acrylate or methacrylate unit comprising a saturated hydrocarbon group having at least 12 carbon atoms; the monomer (b1) is a unit represented by the formula (1) above; the monomer (b2) is a vinylidene chloride unit or a vinylidene fluoride unit; the monomer (b3) is an acrylate or methacrylate unit comprising a saturated hydrocarbon group having at least 12 carbon atoms; the monomer (b4) is a vinyl chloride unit; Z is a C1-6 polyfluoroalkyl group or any one of formulae (2-1) to (2-3);
CiF2i+1O(CFX1CF2O)jCFX2—  (2-1)CiF2i+1[CH2CF2]v—  (2-2)CiF2i+1[CH2CF2]v[CF2]y[CF2CF2]r—  (2-3); Y is a divalent organic group having no fluorine atom, or a single bond; n is 1 or 2; X is, when n is 1, a group represented by any one of formulae (3-1) to (3-5):
—CR2═CH2  (3-1)—C(O)OCR2═CH2  (3-2)—OC(O)CR2═CH2  (3-3)—OCH2—φ—CR2═CH2  (3-4)—OCH═CH2  (3-5); X is when n is 2, a group represented by any one of following formulae (4-1) to (4-4)i —CH[—(CH2)mCR3═CH2]—  (4-1)—CH[—(CH2)mC(O)OCR3═CH2]—  (4-2)—CH[—(CH2)mOC(O)CR3═CH2]—  (4-3)—OC(O)CH═CHC(O)O—  (4-4); i is an integer of from 1 to 6; j is an integer of from 0 to 10; v is an integer of from 1 to 4; r is an integer of from 1 to 3; each of X1 and X2 are independently a fluorine atom or a trifluoromethyl group; R2 is a hydrogen atom, a methyl group or a halogen atom; φ is a phenylene grown; R3 is a hydrogen atom, a methyl group or a halogen atom; and m is an integer of from 0 to 4.