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MATERIAUX DE POLYURETHANNE THERMOPLASTIQUES POUR FORMER DES DISPOSITIFS MEDICAUX
专利权人:
BECTON; DICKINSON AND COMPANY
发明人:
ZHOU, MING,HERMEL-DAVIDOCK, THERESA
申请号:
CA3000774
公开号:
CA3000774A1
申请日:
2016.10.13
申请国别(地区):
CA
年份:
2017
代理人:
摘要:
Principles and embodiments of the present invention relate generally to thermoplastic polyurethane materials having controlled and improved stiffness and/or flexibility, and methods to prepare them. The thermoplastic polyurethanes described herein having superior stiffness and softening properties may be fabricated into film, tubing, and other forms of medical devices. The thermoplastic polyurethanes comprise: an aromatic diisocyanate excluding non-aromatic diisocyanates; at least one polyglycol; and a chain extender comprising at least one side-chain branching diol and excluding linear diols.
来源网站:
中国工程科技知识中心
来源网址:
http://www.ckcest.cn/home/

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