论文部分内容阅读
A series of novel polysiloxane polyurea-urethane blockcopolymers based on methy-lene bis (p-phenylisocyanate (MDI), sodium-s-1, 2-dihydroxy propyl sulphonate (SDPS) andaminopropyl-terminated polydimethylsiloxane (ATPS) was synthesized with varying lengtho