RE-DISPERSIBLE TACKIFYING POWDER

摘要

PCT No. PCT/EP97/00172 Sec. 371 Date May 20, 1998 Sec. 102(e) Date May 20, 1998 PCT Filed Jan. 16, 1997 PCT Pub. No. WO97/26307 PCT Pub. Date Jul. 24, 1997Redispersible tackifier powder compositions which are redispersible in water are provided and which are comprised of one or more tackifying substances and from 2 to 50% by weight of one or more water-soluble low molecular weight homo or copolymers of olefinically unsaturated mono or dicarboxylic acids or their anhydrides. The copolymers also contain other free-radically polymerizable monomers. Antiblocking agents can also be present. Adhesives containing the compositions are also provided.