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    • 3. 发明申请
    • D1368 CR RADIATION CURABLE PRIMARY COATING FOR OPTICAL FIBER
    • D1368 CR辐射可固化主要用于光纤的涂层
    • US20080226914A1
    • 2008-09-18
    • US11955614
    • 2007-12-13
    • Tyson Dean NorlinSteven R. SchmidEdward J. MurphyJohn M. ZimmermanAnthony Joseph Tortorello
    • Tyson Dean NorlinSteven R. SchmidEdward J. MurphyJohn M. ZimmermanAnthony Joseph Tortorello
    • B32B17/02C08L75/04B32B17/10C03C25/34
    • G02B6/036C03B37/01262C03C25/106C08G18/672C08G18/724C09D5/002C09D175/16G02B6/02395Y10T428/2964C08G18/48
    • Radiation curable coatings for use as a Primary Coating for optical fibers, optical fibers coated with said coatings and processes for coating optical fibers. The radiation curable Primary Coating composition of the instant claimed invention includes an oligomer, a diluent monomer; a photoinitiator; an antioxidant; and an adhesion promoter; wherein said oligomer is the reaction product of: a hydroxyethyl acrylate; an aromatic isocyanate; an aliphatic isocyanate; a polyol; a catalyst; and an inhibitor, wherein said oligomer has a number average molecular weight of from at least about 4000 g/mol to less than or equal to about 15,000 g/μmol; and wherein said catalyst is selected from the group consisting of dibutyl tin dilaurate; metal carboxylates, including, but not limited to: organobismuth catalysts such as bismuth neodecanoate; zinc neodecanoate; zirconium neodecanoate; zinc 2-ethylhexanoate; sulfonic acids, including but not limited to dodecylbenzene sulfonic acid, methane sulfonic acid; amino or organo-base catalysts, including, but not limited to: 1,2-dimethylimidazole and diazabicyclooctane; triphenyl phosphine; alkoxides of zirconium and titanium, including, but not limited to Zirconium butoxide and Titanium butoxide; and Ionic liquid phosphonium salts; and tetradecyl(trihexyl)phosphonium chloride; and wherein a cured film of said radiation curable Primary Coating composition has a peak tan delta Tg of from about −25° C. to about −45° C. and a modulus of from about 0.50 MPa to about 1.2 MPa.
    • 用作光纤的主要涂层的可辐射固化涂层,涂覆有所述涂层的光纤和用于涂覆光纤的工艺。 本发明的可辐射固化的初级涂料组合物包括低聚物,稀释剂单体; 光引发剂; 抗氧化剂 和粘合促进剂; 其中所述低聚物是以下物质的反应产物:丙烯酸羟乙酯; 芳香族异氰酸酯; 脂族异氰酸酯; 多元醇 催化剂 和抑制剂,其中所述低聚物的数均分子量为至少约4000g / mol至小于或等于约15,000g / mumol; 并且其中所述催化剂选自二月桂酸二丁基锡; 金属羧酸盐,包括但不限于:有机铋催化剂如新戊酸铋; 新癸酸锌; 新癸酸锆; 2-乙基己酸锌; 磺酸,包括但不限于十二烷基苯磺酸,甲磺酸; 氨基或有机碱催化剂,包括但不限于:1,2-二甲基咪唑和二氮杂双环辛烷; 三苯基膦 锆和钛的醇盐包括但不限于丁氧基锆和丁醇钛; 和离子液体鏻盐; 和十四烷基(三己基)鏻氯化物; 并且其中所述可辐射固化的初级涂料组合物的固化膜的峰值tanδTg为约-25℃至约-45℃,模量为约0.50MPa至约1.2MPa。