申请人:REPSOL, S.A
公开号:US20210189049A1
公开(公告)日:2021-06-24
The present invention relates to new stable modified polymer polyol dispersions. The modified polymer polyols of the present invention comprise at least one polyol and a stable dispersion of polymeric particles in the at least one polyol. There are also disclosed processes for the preparation of the herein described modified polymer polyols, and processes for preparing polyurethane materials containing them.
本发明涉及一种新型稳定的改性聚合物聚醚多元醇分散体。本发明的改性聚合物聚醚多元醇包括至少一种多元醇和至少一种聚合物粒子在该多元醇中的稳定分散体。本发明还公开了制备所述改性聚合物聚醚多元醇的工艺,以及制备含有它们的聚氨酯材料的工艺。