PITCH-CONTROLLING AGENT FOR PAPER-MAKING PROCESS AND METHOD OF INHIBITING PITCH TROUBLE

摘要

PROBLEM TO BE SOLVED: To efficiently inhibit pitch troubles occurring in the paper-making process.;SOLUTION: The pitch control agent includes, as an active ingredient, a polymer comprising (A) a constitution unit originating from a (meth)acryloyloxy- alkyltrialkyl ammonium salt represented by general formula (I) [wherein R₁ is H or methyl; R₂ is -C_nH_2n- group (n=1-20); R₃, R₄ and R₅ are identical or different and is methyl or ethyl; X is a halogen atom or CH₃SO₄-] and (B) a constitution unit originating from a (meth)acrylic acid or a salt thereof represented by general formula (II) (wherein R₆ is H or methyl; M is H, an alkali metal or -NH₄ group).;COPYRIGHT: (C)2003,JPO