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    • 10. 发明授权
    • Optical refractive index-modifying polymer composition, hologram recording material and method of controlling refractive index
    • 光学折射率改性聚合物组合物,全息记录材料和折射率控制方法
    • US07727679B2
    • 2010-06-01
    • US10587842
    • 2006-01-06
    • Yoshihide KawaguchiYutaka MoroishiTetsuo Inoue
    • Yoshihide KawaguchiYutaka MoroishiTetsuo Inoue
    • G03H1/02
    • C08J3/246C08F220/40C08L33/08G03H1/02G03H1/182G03H2001/0264G03H2260/54
    • The present invention provides an optical refractive index-modifying polymer composition which can efficiently modulate (change) refractive index upon light irradiation, and exhibits such high storage stability that the once modulated refractive index does not substantially change anymore upon time elapse, and the optical refractive index-modifying polymer composition comprises as a main component a polymer (A) which is a polymer of monomers including an acrylic vinyl monomer represented by the following formula (1): CH2═C(R1)—C(═O)O—R2═CH2   (1) wherein R1 represents a hydrogen atom or a methyl group, R2 represents a saturated or unsaturated hydrocarbon group having 1 to 20 carbon atoms, and the molecule may contain a hetero atom or a halogen atom, as an essential component and contains a remaining radical-polymerizable side-chain vinyl group in the molecule, wherein the composition comprises a thermally curable polymer (B) in an amount of 5 to 60 parts by weight per 100 parts by weight of the polymer (A).
    • 本发明提供一种光折射率改性聚合物组合物,其能够在光照射时有效地调节(变化)折射率,并且表现出如此高的储存稳定性,使得一次调制的折射率在时间经过后基本上不再改变,并且光学折射率 指数改性聚合物组合物包含作为主要成分的聚合物(A),其是包含由下式(1)表示的丙烯酸乙烯基单体的单体的聚合物:CH 2 = C(R 1)-C(= O)O-R 2 ≡CH2(1)其中R1表示氢原子或甲基,R2表示碳原子数1〜20的饱和或不饱和烃基,该分子可以含有杂原子或卤素原子作为必要成分,含有 分子中残留的可自由基聚合的侧链乙烯基,其中所述组合物包含每100重量份5-60重量份的热固性聚合物(B) 重量份的聚合物(A)。