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    • 3. 发明授权
    • Photosensitive recording material, photosensitive recording medium, and
process for producing hologram using this photosensitive recording
medium
    • 感光记录材料,感光记录介质,以及使用该光敏记录介质制造全息图的方法
    • US6045953A
    • 2000-04-04
    • US852206
    • 1997-05-06
    • Yasushi OheHiromitsu ItoNiro Watanabe
    • Yasushi OheHiromitsu ItoNiro Watanabe
    • G03F7/027G03C1/73G03F7/00G03F7/004G03F7/029G03F7/038G03H1/02G03H1/04G03H1/00
    • G03F7/029G03F7/001G03F7/038G03F7/0045G03H2001/026G03H2260/12
    • A photosensitive recording material comprising an alicyclic, solvent-soluble, thermosetting epoxy oligomer capable of cationic polymerization, the oligomer being of a specified structure, an aliphatic monomer having at least one ethylenically unsaturated bond, the monomer being liquid at normal temperature and pressure, having a boiling point of 100.degree. C. or above at normal pressure and being capable of radical polymerization, a photoinitiator selected from the group consisting of i) a first photoinitiator capable of simultaneously generating a radical species that activates radical polymerization and a Br.o slashed.nsted acid or Lewis acid that activates cationic polymerization, upon exposure to actinic radiation, and ii) a second photoinitiator comprised of a radical polymerization photoinitiator capable of generating a radical species that activates radical polymerization upon exposure to actinic radiation and a cationic polymerization photoinitiator capable of generating a Br.o slashed.nsted acid or Lewis acid that activates cationic polymerization upon exposure to actinic radiation, and a spectral sensitizer that sensitizes the first photoinitiator or second photoinitiator; the aliphatic monomer being mixed in an amount of from 20 parts by weight to 80 parts by weight based on 100 parts by weight of the alicyclic epoxy oligomer. This photosensitive recording material is highly effective for producing a volume type phase hologram having superior diffraction efficiency, transparency, weatherability such as thermal resistance, and chemical stability.
    • 一种光敏记录材料,其包含能够进行阳离子聚合的脂环族,溶剂可溶的热固性环氧低聚物,具有特定结构的低聚物,具有至少一个烯属不饱和键的脂族单体,所述单体在常温常压下为液体,具有 在常压下沸点为100℃以上并且能够进行自由基聚合的光引发剂,选自i)第一光引发剂,其能够同时产生激活自由基聚合的自由基物质和Br + 526 nsted 酸或路易斯酸,其在暴露于光化辐射下激活阳离子聚合,和ii)第二光引发剂,其包含能够产生在暴露于光化辐射时活化自由基聚合的自由基聚合光引发剂和能产生能量的阳离子聚合光引发剂 一个Br + 526 nsted 暴露于光化辐射时激活阳离子聚合的酸或路易斯酸,以及使第一光引发剂或第二光引发剂敏化的光谱增感剂; 脂肪族单体以相对于100重量份脂环族环氧低聚物为20重量份〜80重量份的量混合。 该感光记录材料对于制造具有优异的衍射效率,透明性,耐热性如耐热性和化学稳定性的体积型相位全息图是非常有效的。