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MOLDING THERMOTROPIC LIQUID CRYSTALLINE POLYMERS AND ARTICLES MADE THEREFROM
专利权人:
3M INNOVATIVE PROPERTIES COMPANY
发明人:
Stanley Rendon
申请号:
US15155883
公开号:
US20160257048A1
申请日:
2016.05.16
申请国别(地区):
US
年份:
2016
代理人:
摘要:
A method of molding a composition comprising a thermotropic liquid crystalline polymer (TLCP) comprising mesogens; providing a mold having a mold cavity, with a feature cavity comprising a fine feature chamber; heating the composition to form molten composition; filling the fine feature chamber with molten composition moving at a flow velocity that causes flow alignment of at least a portion of the mesogens in the molten TLCP filling the fine feature chamber, relative to a flow direction of the moving molten composition; and solidifying the molten composition such that mesogens of at least the solidified TLCP in the fine feature chamber maintain their flow alignment. A molded article comprising a body and a 3-dimensional structural feature protruding out from the body and comprising a fine feature element having a minor dimension, with TLCP mesogens across the minor dimension being in a flow aligned state.
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中国工程科技知识中心
来源网址:
http://www.ckcest.cn/home/

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