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THERMOPLASTIC POLYURETHANE COMPOSITIONS FOR SOLID FREEFORM FABRICATION
专利权人:
Lubrizol Advanced Materials; Inc.
发明人:
Jennifer Green,John M. Cox,Joseph J. Vontorcik, JR.,Barbara Morgan
申请号:
US15745540
公开号:
US20180208706A1
申请日:
2016.07.15
申请国别(地区):
US
年份:
2018
代理人:
摘要:
The invention relates to compositions and methods for solid freeform fabrication of medical devices, components and applications in which the composition includes a thermoplastic polyurethane which is particularly suited for such processing. The useful thermoplastic polyurethanes are derived from (a) an aromatic diisocyanate component, (b) a polyol component, and (c) a chain extender component where the molar ratio of (c) to (b) is at least 4.25.
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