Patent ID: 6784397
Filing Date: 2004-08-31
Classification: A41D,B29C,C08J,Y10T

Abstract:
A mold or former used to form natural or synthetic rubber articles by immersion of the mold or former into a natural or synthetic rubber latex, onto which former is first disposed a release composition to facilitate release of the rubber latex from the mold or former, the release composition comprising an emulsion polymer having a Tg of at least âˆ’10Â° C., the emulsion polymer formed from:(a) at least one hydrophobic monomer selected from the group consisting of acrylates, methacrylates, vinyl acetate, ethylene, and styrene; and (b) at least one hydrophic monomer selected from the group consisting of hydroxyethyl acetate, acrylonitrile, 2-(dimethylamino)ethyl(meth)acrylate, [3,(methacryboylamino)propyl]-trimethylammonium chloride, 2-acrylamido-2-methyl-1-propanesulfonic acid sodium salt, [2-(acryloyboxy)-ethyl]trimethyl-ammonium chloride, acrylic acid, and methacrylic acid.