Polyurethane elastomers are segmented co-polymers of alternating hard and soft segments which are based on various low molecular weight polyesters, polyethers or polybutadienes that are terminated with hydroxyl groups...Polyurethane elastomers are segmented co-polymers of alternating hard and soft segments which are based on various low molecular weight polyesters, polyethers or polybutadienes that are terminated with hydroxyl groups. The hard segments consist of diisocyanates and chain extenders or cross-linking agents which can be diols展开更多
基金Project supported by the National Natural Science Foundation of China.
文摘Polyurethane elastomers are segmented co-polymers of alternating hard and soft segments which are based on various low molecular weight polyesters, polyethers or polybutadienes that are terminated with hydroxyl groups. The hard segments consist of diisocyanates and chain extenders or cross-linking agents which can be diols
