| 摘要 |
<p>A copolymer represented by the general formula:
<Chemistry id="chema01" num="0001"><Image id="ia01" he="21" wi="84" file="IMGA0001.TIF" imgContent="chem" imgFormat="TIFF" inline="no" /></Chemistry>[wherein, A denotes an alkylene group of 2 to 4 carbon atoms, the-t (̵A-0)̵<Sub>a</Sub> chain may have at least one oxy-alkylene unit bonded in any possible order, a denotes an integer of the value of 1 to 100, R<Sup>1</Sup> and R<Sup>2</Sup> independently denote a hydrogen atom or a methyl group, X and Y independently denote a monovalent metal atom, a divalent metal atom, an ammonium group, an organic amine group, or (̵B-0)̵<Sub>b</Sub>R<Sup>3</Sup> (wherein, B denotes an alkylene group of 2 to 4 carbon atomes, the (̵B-0)̵<Sub>b</Sub> chain may have at least one oxy-alkylene unit bonded in any possible order, b denotes 0 or an integer of the value of 1 to 100, and R<Sup>3</Sup> denotes a hydrogen atom or an alkyl group of 1 to 20 carbon atoms), Z denotes a structural unit derived from a copolymerizable vinyl monomber, m and n each denote 1 where X and Y are each a monovalent metal atom, an ammonium group, an organic amine group, or (̵B-O)̵<Sub>b</Sub>R<Sup>3</Sup> or 2 where X and Y are each a divalent metal atom, and p, q, and r denote numbers such that 25 ≤ p ≤ 75, 25 ≤ q ≤ 75, and 0 ≤ r ≤ 50 are satisfied on condition that p + q + r equals 100, and it is provided that the structural units involved herein may be bonded in any possible order]. (1)</p> |
