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1. 发明申请

WO2013138155A1 THERMOPLASTIC POLYURETHANES IN OPTICAL FIBER COATINGS 审中-公开
标题翻译：光纤涂料中的热塑性聚氨酯
公开(公告)号：WO2013138155A1
公开(公告)日：2013-09-19
申请号：PCT/US2013/029593
申请日：2013-03-07
申请人： CORNING INCORPORATED , BAKER, Linda, S. , WAGNER, Frederic, Christian
发明人： BAKER, Linda, S. , WAGNER, Frederic, Christian
IPC分类号： C03C25/10 , C09D4/06 , C08F265/04 , G02B6/00
CPC分类号： C03C25/1065 , C08F290/067 , C09D4/06 , G02B6/02395 , C08F220/10
摘要： A process for correcting defects in a primary coating on a glass optical fiber involves providing an optical fiber configured for propagation of an optical signal, coating the optical fiber with a composition comprising a thermoplastic polyurethane and at least one acrylate monomer, curing the composition to form a relatively soft primary coating covering an outer surface of the optical fiber, the primary coating being a thermoplastic product of the polyurethane and the at least one acrylate monomer, coating the optical fiber with at least one relatively harder secondary coating layer disposed over the primary coating, heating the coated fiber to a temperature above the melting temperature of the thermoplastic product to cause the primary coating to flow and correct defects, and cooling the coated fiber to a temperature below the melting temperature of the thermoplastic product to provide a substantially defect free primary coating.
摘要翻译：用于校正玻璃光纤上的初级涂层中的缺陷的方法包括提供配置用于光信号传播的光纤，用包含热塑性聚氨酯和至少一种丙烯酸酯单体的组合物涂覆光纤，使组合物固化形成覆盖光纤的外表面的相对柔软的初级涂层，一次涂层是聚氨酯和至少一种丙烯酸酯单体的热塑性产品，用至少一个相对较硬的第二涂层涂覆在主涂层上将涂覆的纤维加热到高于热塑性产品的熔融温度的温度，以使初级涂层流动并校正缺陷，并将涂覆的纤维冷却至低于热塑性产品的熔融温度的温度，以提供基本上无缺陷的初级涂层。

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