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.
本公开提供了用于热塑性聚
氨酯或聚
氨酯
脲弹性体材料的式 1 的软嵌段共聚物片段及其与二价化合物(如二
异氰酸酯)、扩链剂和任选附加多元醇或
多胺的反应产物。本文还公开了软嵌段共聚物片段的生产方法,以及这些材料在形成
生物材料(包括植入物、心脏瓣膜和给药装置等医疗器械)方面的可能应用。