| abstract |
The invention provides a kind of polyester modification sponge and preparation method thereof.It solves sponge flame made from existing preparation method and is combined that peel strength is poor, and sponge using effect is poor, and needs manually excessive operation, the low technical problem of yield.This polyester modification sponge, its raw material include following components by mass fraction：PPG：60~100 parts；PEPA：60~100 parts；Toluene di-isocyanate(TDI)：40~70 parts；Water：3~8 parts；Triethylene diamine：3~5 parts；Dibutyl tin：3~5 parts；Dimethyl methyl phosphonate：5~8 parts；Foam stabilizer：3~10 parts；Foaming agent：5~8 parts, and preparation method thereof.The present invention has the advantages that performance is good, production efficiency is high. |