Polyurethane or polyurethane urea and its production process, and pre polu00ecmero light politrimetileno - Urethane finished with diisocyanate and its production process.

摘要

"Polyurethane or polyurethane urea and its production process, and pre polu00ecmero light politrimetileno - Urethane finished with diisocyanate and its production process.This is polyurethanes or polyurethane ureas prepared from: (a) a glycol ether politrimetileno which has an average molecular weight in the range of numeric about 1000 to about 4.000 groups and unsaturated terminal in the range of about 0.003 to about 0.015 mEq / G: (b) diisocyanate; and (c) extender chain diol or diamine; and the manufacture, intermediaries and use of the same.