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    • 17. 发明授权
    • Optical glass fiber coating composition
    • 光学玻璃纤维涂料组合物
    • US5913004A
    • 1999-06-15
    • US840169
    • 1997-04-14
    • Hideaki TakaseMitsuhito SuwaZen KomiyaTakashi Ukachi
    • Hideaki TakaseMitsuhito SuwaZen KomiyaTakashi Ukachi
    • C03C25/10C08F290/06C08G18/10C08G18/67C09D175/16G02B6/02G02B6/16
    • C09D175/16C03C25/106C08F290/067C08G18/10C08G18/672
    • Provided is an optical glass fiber coating composition which when coated on an optical glass fiber and suitably cured provides a coating having the combination of properties (i) through (iv):(i) a stable tensile modulus that is low at room temperature and over a broad range of temperatures below room temperature,(ii) an adhesion to the optical glass fiber sufficient to prevent structural defects and microbending in the optical glass fiber,(iii) the capability of being removed by stripping from the optical glass fiber substantially no residue left on the optical glass fiber, and(iv) which satisfies each of the following inequalities (I) and (II),X.ltoreq.0.2 kg/mm.sup.2 (I)X/Y.gtoreq.1/10 (II) wherein X is the tensile modulus (kg/mm.sup.2) measured at 23.degree. C. and Y is the tensile modulus (kg/mm.sup.2) measured at -40.degree. C.,This coating composition comprises:(A) a urethane (meth)acrylate formed from,(a) a diol compound containing at least one structure represented by one of the following formulas (1) and (2), ##STR1## (b) a compound containing two isocyanate groups, and (c) a compound containing a (meth)acrylate group and a hydroxy group;(B) a second (meth)acrylate-containing compound of which the homopolymer has a glass transition temperature of at most about 0.degree. C.; and(C) a polymerization initiator.
    • 提供了一种光学玻璃纤维涂料组合物,其在光学玻璃纤维上涂覆并适当固化时提供了具有性能(i)至(iv)的组合的涂层:(i)在室温和过高时稳定的拉伸模量 低于室温的宽范围的温度,(ii)足以防止光学玻璃纤维中的结构缺陷和微弯曲的光学玻璃纤维的粘附,(iii)通过从光学玻璃纤维剥离而基本上没有残留物的去除能力 留下在光学玻璃纤维上,和(iv)满足以下不等式(I)和(II)中的每一个,X <= 0.2kg / mm 2(I)X / Y> / = 1/10(II)其中 X为在23℃下测定的拉伸弹性模量(kg / mm2),Y为在-40℃下测定的拉伸弹性模量(kg / mm2)。该涂料组合物包含:(A)形成的氨基甲酸酯(甲基) 由(a)含有由下述式(1)表示的至少一种结构的二醇化合物a nd(2),(b)含有2个异氰酸酯基的化合物,(c)含有(甲基)丙烯酸酯基和羟基的化合物; (B)第二(甲基)丙烯酸酯化合物,其均聚物的玻璃化转变温度为至多约0℃; 和(C)聚合引发剂。
    • 18. 发明授权
    • Transparent resin material
    • 透明树脂材料
    • US5164469A
    • 1992-11-17
    • US648237
    • 1991-01-31
    • Kohei GotoZen KomiyaNoboru YamaharaAkira IioMasao HisatomiHiroshi Oka
    • Kohei GotoZen KomiyaNoboru YamaharaAkira IioMasao HisatomiHiroshi Oka
    • C08G61/08C08L65/00
    • C08L65/00C08G61/08
    • A transparent resin material consisting of a hydrogenation product of a (co)polymer obtained by subjecting at least one compound represented by general formula (I) or a combination of at least 5% by weight of said compound and 95% by weight or less of other copolymerizable cyclic olefin monomer to metathesis polymerization: ##STR1## wherein A and B are independently hydrogen atoms or C.sub.1-10 hydrocarbon groups; and X and Y are independently hydrogen atoms, C.sub.1-10 hydrocarbon groups, --C(CH.sub.2).sub.n COOR.sup.1 groups or --(CH.sub.2).sub.n OCOR.sup.1 groups [R.sup.1 is a C.sub.1-20 hydrocarbon group and n is 0 or an integer of 1-10] with the proviso that at least one of X and Y is selected from the above --(CH.sub.2).sub.n COOR.sup.1 and --(CH.sub.2).sub.n OCOR.sup.1 groups. Said transparent resin material is moldable and has sufficient optical properties, low hygroscopicity, good heat resistance and excellent adhesion to recording layer.
    • 将由通式(I)表示的至少一种化合物或至少5重量%的所述化合物的组合和95重量%以下的化合物所得的(共)聚合物的氢化产物组成的透明树脂材料 其它可共聚的环烯烃单体进行复分解聚合反应:其中A和B独立地为氢原子或C 1-10烃基; 并且X和Y独立地是氢原子,C 1-10烃基,-C(CH 2)n COOR 1基团或 - (CH 2)nOCOR 1基团[R 1是C 1-20烃基,n是0或1-10的整数] 条件是X和Y中的至少一个选自上述 - (CH 2)n COOR 1和 - (CH 2)nOCOR 1基团。 所述透明树脂材料是可模塑的并且具有足够的光学性能,低吸湿性,良好的耐热性和对记录层的优异粘合性。