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公开(公告)号：US20210103092A1
公开(公告)日：2021-04-08
申请号：US17060307
申请日：2020-10-01
Applicant: CORNING INCORPORATED
Inventor： Dana Craig Bookbinder , Bin Yang
Abstract: Curable compositions that include an oligomer with one or more internal urethane linkages and OH groups capped by an Acrylate-End-Capping (AEC) compound. The curable compositions may be made by reacting a polyol with a diisocyanate compound to form a pre-oligomer compound having one or more internal urethane linkages and terminal OH groups. The curable coating compositions may be cured to form a coating for an optical fiber, for example, a primary coating for an optical fiber.
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公开(公告)号：US20190249034A1
公开(公告)日：2019-08-15
申请号：US16266235
申请日：2019-02-04
Applicant: Corning Incorporated
Inventor： Dana Craig Bookbinder , Yangbin Chen , Pushkar Tandon , Ruchi Tandon , Bin Yang
IPC: C09D175/16 , C08G18/75 , C08G18/48 , C08G18/67 , C08G18/12 , C08G18/24 , C09D5/00 , G02B6/02 , C03C25/106 , C03C25/326 , C03B37/025
CPC classification number: C09D175/16 , C03B37/025 , C03B2205/42 , C03C25/106 , C03C25/1065 , C03C25/326 , C08F222/1006 , C08F290/067 , C08G18/12 , C08G18/246 , C08G18/4825 , C08G18/672 , C08G18/6755 , C08G18/758 , C08G18/8175 , C09D4/06 , C09D5/002 , G02B1/04 , G02B6/02395 , C08F2222/1086 , C08F2220/287 , C08F226/06 , C08G18/48
Abstract: The present disclosure provides coating compositions and cured products formed from the coating compositions. The cured products can be formed at high cure speeds from the coating compositions and feature low Young's modulus, high tear strength, and/or high tensile toughness. The cured products can be used as primary coatings for optical fibers. The primary coatings provide good microbending performance and are resistant to defect formation during fiber coating processing and handling operations. The coating compositions include an oligomer, an alkoxylated monofunctional acrylate monomer, and preferably, an N-vinyl amide compound.
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