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公开(公告)号:US20180346654A1
公开(公告)日:2018-12-06
申请号:US15771719
申请日:2016-10-28
Inventor: Pathiraja Arachchillage GUNATILLAKE , Mark BOWN , Raju ADHIKARI
IPC: C08G77/458 , C08G77/46 , C08G81/02 , C08L83/12
CPC classification number: A61L27/18 , A61F2/2409 , A61F2210/0071 , A61F2240/00 , A61L2430/20 , C08G77/458 , C08G77/46 , C08L75/04
Abstract: The present disclosure provides soft block copolymer segments of Formula 1 for thermoplastic polyurethane or polyurethaneurea elastomer materials and their reaction products with divalent compounds, such as diisocyanates, chain extenders and optional additional polyols or polyamines. Also disclosed herein are methods for the production of the soft block copolymer segments, and possible applications of these materials in the formation of biomaterials for articles including medical devices such as implants, heart valves and drug delivery devices.