BINDER COMPOSITION OF A POLYCARBOXY EMULSION AND POLYOL

摘要

A binder composition and a nonwoven mat comprising nonwoven fibers bound by the binder composition are provided. The binder composition includes: at least one polycarboxy emulsion copolymer comprising as_copolymerized units from 10% to 25% by weight of a carboxy acid monomer, wherein said copolymer has a measured glass transition temperature or Tg of from 40°C to 70°C, and a total weight solids of no less than 40%; and at least one polyol crosslinker having a molecular weight of less than 700, wherein said polyol crosslinker comprises a primary hydroxy group and at least one additional hydroxy group, wherein the ratio of primary hydroxy group equivalents to carboxy group equivalents is from 0.25 to 2Ø