公开(公告)号：AU2018340584A1

公开(公告)日：2020-04-16

申请号：AU2018340584

申请日：2018-09-12

Applicant: BASF SE

Inventor： QIAN ZHEN YU ,  LI XUE DONG ,  ZHOU YANG CHUN ,  XU JIAN FENG

IPC: C08G18/76 ,  B29C70/52 ,  C08G18/64 ,  C08J5/04

Abstract: The invention relates to a polyurethane composition, comprising: (1) an isocyanate; and (2) an isocyanate reactive compound; wherein the isocyanate comprises 2,2'-diphenylmethane diisocyanate and 2,4'-diphenylmethane diisocyanate, and the amount of 2,2'-diphenylmethane diisocyanate is in the range of 10-100wt% based on the total weight of 2,2'-diphenylmethane diisocyanate and 2,4'-diphenylmethane diisocyanate.The invention also relates to a polyurethane composite comprising said polyurethane composition and a reinforcing material, and an article produced from said polyurethane composite.

公开(公告)号：CA2981755A1

公开(公告)日：2016-10-13

申请号：CA2981755

申请日：2016-03-31

Applicant: BASF SE

Inventor： XU JIAN FENG ,  WANG SHU KUI

IPC: C08G18/76 ,  C08J9/04

Abstract: The present invention provides an isocyanate composition which comprises a) TDI liquid residue, and b) other isocyanate component, and relates to reaction formulation for preparing polyurethane which comprises: A) the isocyanate composition of the invention, and B) active hydrogen component. The present invention further provides a polyurethane polymer and a polyurethane polymer foam prepared from the reaction formulation of the invention. The present invention further relates to use of the polyurethane rigid foam of the invention in construction and appliance.