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    • 5. 发明申请
    • Curable composition for optical parts
    • 光学部件的固化组合物
    • US20050192373A1
    • 2005-09-01
    • US11065329
    • 2005-02-25
    • Toshio AwajiKaoru MoriAkihiko FukadaMasanori Yoshimune
    • Toshio AwajiKaoru MoriAkihiko FukadaMasanori Yoshimune
    • C08F290/06C08F20/28C08F299/02G02B1/04C08G2/00C08F2/46
    • G02B1/04C08L33/10C08L33/08C08L33/14
    • A curable composition for optical parts, including a (meth)acrylic acid ester (A) of a compound having two or more hydroxy groups in one molecule and containing no aromatic hydrocarbon structure, wherein a content of an ether structure represented by the following general formula (1): —(O—CH2—CHR1)n—  (1) wherein n is in the range of 1 to 100 and R1 is at least one selected from the group consisting of hydrogen, methyl, and ethyl, in the composition is 5% by weight or higher, and a content of sulfonic acid and/or a sulfonic acid ester in the composition is 100 ppm or lower in terms of sulfur atom content. This curable composition makes it possible to obtain optical parts by curing, which are transparent and hardly cause coloration, denaturation, and deterioration to light from a light source having an emission wavelength distribution extending from a short wavelength region of visible light to an ultraviolet region.
    • 一种用于光学部件的可固化组合物,包括一分子中具有两个或多个羟基的化合物的(甲基)丙烯酸酯(A),其不含芳族烃结构,其中由以下通式表示的醚结构的含量 (1):<?in-line-formula description =“In-line Formulas”end =“lead”?> - (O-CH 2 - 其中n在1到100的范围内,而R 1 在组成中,选自氢,甲基和乙基的至少一种为5重量%以上,组合物中磺酸和/或磺酸酯的含量为100 ppm或更低的硫原子含量。 该固化性组合物可以通过固化获得透明的光学部件,并且几乎不引起来自具有从可见光的短波长范围向紫外线区域延伸的发光波长分布的光源的光的着色,变性和劣化。