Patent ID: 9023948
Filing Date: 2015-05-05
Classification: C08L,C09J

Abstract:
1. A chloroprene rubber-based polymer latex composition, comprising a mixture of (A) a chloroprene rubber-based polymer latex and (B) an acrylic resin-based polymer latex and/or a styrene-acrylic resin-based polymer latex, wherein the acrylic resin-based polymer latex and/or the styrene-acrylic resin-based polymer latex (B) contains an acrylic resin-based polymer having a unit derived from itaconic acid and/or a styrene-acrylic resin-based polymer having a unit derived from itaconic acid, an alkali is added to the acrylic resin-based polymer latex and/or the styrene-acrylic resin-based polymer latex (B), the chloroprene rubber-based polymer latex (A) contains an anionic surfactant having a carboxyl group, and satisfying formula (1): wherein pKa1 represents the pKa of the anionic surfactant at 25° C., and pKa2 represents the pKa of itaconic acid at 25° C.