| abstract |
Copolymer latex containing 50-88 wt% conjugated diene monomer units, 10-40 wt% ethylenically unsaturated nitrile monomer units, and 2-10 wt% ethylenically unsaturated acid monomer units. And when the said copolymer is used as a dry film, the amount of methyl ethyl ketone insolubles is 70% by weight or less, and the copolymer latex having a methyl ethyl ketone swelling degree of 40 times or more is provided. |