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    • 2. 发明授权
    • Photosensitive resin composition for volume phase hologram recording and optical information recording medium using the same
    • 用于体积相位全息记录的光敏树脂组合物和使用其的光学信息记录介质
    • US08163443B2
    • 2012-04-24
    • US12224598
    • 2007-03-05
    • Kouhei TomariYasuji Shichijo
    • Kouhei TomariYasuji Shichijo
    • G03H1/02
    • G03H1/02G03F7/001G03F7/033G03F7/0388G03H2001/0264G03H2260/12
    • Disclosed is a volume phase hologram recording material characterized by excellent photosensitivity, low cure shrinkage, high transparency, and particularly good storage stability and also disclosed is a recording medium prepared therefrom. Further disclosed is a photosensitive resin composition for volume phase hologram recording that comprises a soluble aromatic copolymer (A), a photoradically polymerizable compound (B) capable of copolymerizing with the soluble aromatic copolymer (A), a photopolymerization initiator (C), and a polymer binder (D). The soluble aromatic copolymer (A) has a structural unit of a divinyl aromatic compound and a structural unit of a monovinyl aromatic compound, comprises 10 to 90 mol % of a structural unit represented by the following formula (a1), has a hydroxyl equivalent of 100 to 30,000 g/equiv, a number average molecular weight (Mn) of 400 to 30,000, and a molecular weight distribution (Mw/Mn) of 10 or less, and accounts for 5 to 60 wt % of the composition.
    • 公开了一种体积相全息记录材料,其特征在于具有优异的光敏性,低固化收缩率,高透明度和特别好的储存稳定性,并且还公开了由其制备的记录介质。 进一步公开了一种用于体积相位全息记录的感光性树脂组合物,其包含可溶性芳香族共聚物(A),能够与可溶性芳香族共聚物(A)共聚的光自由基聚合性化合物(B),光聚合引发剂(C)和 聚合物粘合剂(D)。 可溶性芳香族共聚物(A)具有二乙烯基芳香族化合物的结构单元和单乙烯基芳香族化合物的结构单元,含有下述通式(a1)所示的结构单元的10〜90摩尔%,羟基当量为 100〜30,000g /当量,数均分子量(Mn)为400〜30,000,分子量分布(Mw / Mn)为10以下,占组合物的5〜60重量%。
    • 4. 发明授权
    • Photosensitive resin composition for volume phase hologram recording and optical information recording medium using the same
    • 用于体积相位全息记录的光敏树脂组合物和使用其的光学信息记录介质
    • US08034514B2
    • 2011-10-11
    • US11885787
    • 2006-03-01
    • Kouhei TomariYasuji ShichijoMasanao Kawabe
    • Kouhei TomariYasuji ShichijoMasanao Kawabe
    • G03H1/02
    • G03F7/001G03F7/027G03F7/033
    • The present invention relates to a volume phase hologram recording material excellent in transparency, sensitivity, low curing shrinkage, and transparency, a volume phase hologram recording medium, and a volume phase hologram. A photosensitive resin composition for volume phase hologram recording contains a low-molecular-weight solvent-soluble aromatic copolymer (A) having a structural unit of a divinyl aromatic compound and a structural unit of a monovinyl aromatic compound, a photoradical polymerizable compound (B) which is copolymerizable with the soluble aromatic copolymer (A), and a photopolymerization initiator (C) as essential components. The photosensitive resin composition further contains, one kind or more of a polymer binder (D) and a plasticizer (E), and the soluble aromatic copolymer (A) is incorporated in an amount of 5 to 60% by weight.
    • 本发明涉及透明度,灵敏度,低固化收缩率和透明度优异,体积相位全息图记录介质和体积相位全息图的体积相位全息图记录材料。 用于体积相位全息记录的感光性树脂组合物含有具有二乙烯基芳香族化合物的结构单元和单乙烯基芳香族化合物的结构单元的低分子量溶剂可溶性芳香族共聚物(A),光自由基聚合性化合物(B) 其可与可溶性芳族共聚物(A)共聚,光聚合引发剂(C)为必需成分。 感光性树脂组合物还含有聚合物粘合剂(D)和增塑剂(E)中的一种以上,可溶性芳香族共聚物(A)的含量为5〜60重量%。
    • 5. 发明申请
    • Photosensitive Resin Composition for Volume Phase Hologram Recording and Optical Information Recording Medium Using the Same
    • 用于体积相位全息记录的光敏树脂组合物和使用其的光学信息记录介质
    • US20090130568A1
    • 2009-05-21
    • US12224598
    • 2007-03-05
    • Kouhei TomariYasuji Shichijo
    • Kouhei TomariYasuji Shichijo
    • G03F7/20G03F7/004
    • G03H1/02G03F7/001G03F7/033G03F7/0388G03H2001/0264G03H2260/12
    • Disclosed is a volume phase hologram recording material characterized by excellent photosensitivity, low cure shrinkage, high transparency, and particularly good storage stability and also disclosed is a recording medium prepared therefrom. Further disclosed is a photosensitive resin composition for volume phase hologram recording that comprises a soluble aromatic copolymer (A), a photoradically polymerizable compound (B) capable of copolymerizing with the soluble aromatic copolymer (A), a photopolymerization initiator (C), and a polymer binder (D). The soluble aromatic copolymer (A) has a structural unit of a divinyl aromatic compound and a structural unit of a monovinyl aromatic compound, comprises 10 to 90 mol % of a structural unit represented by the following formula (a1), has a hydroxyl equivalent of 100 to 30,000 g/equiv, a number average molecular weight (Mn) of 400 to 30,000, and a molecular weight distribution (Mw/Mn) of 10 or less, and accounts for 5 to 60 wt % of the composition.
    • 公开了一种体积相全息记录材料,其特征在于具有优异的光敏性,低固化收缩率,高透明度和特别好的储存稳定性,并且还公开了由其制备的记录介质。 进一步公开了一种用于体积相位全息记录的感光性树脂组合物,其包含可溶性芳香族共聚物(A),能够与可溶性芳香族共聚物(A)共聚的光自由基聚合性化合物(B),光聚合引发剂(C)和 聚合物粘合剂(D)。 可溶性芳香族共聚物(A)具有二乙烯基芳香族化合物的结构单元和单乙烯基芳香族化合物的结构单元,含有下述通式(a1)所示的结构单元的10〜90摩尔%,羟基当量为 100〜30,000g /当量,数均分子量(Mn)为400〜30,000,分子量分布(Mw / Mn)为10以下,占组合物的5〜60重量%。
    • 6. 发明申请
    • Photosensitive Resin Composition for Volume Phase Hologram Recording and Optical Information Recording Medium Using the Same
    • 用于体积相位全息记录的光敏树脂组合物和使用其的光学信息记录介质
    • US20090053615A1
    • 2009-02-26
    • US11885787
    • 2006-03-01
    • Kouhei TomariYasuji ShichijoMasanao Kawabe
    • Kouhei TomariYasuji ShichijoMasanao Kawabe
    • G03F7/09G03F7/20
    • G03F7/001G03F7/027G03F7/033
    • The present invention relates to a volume phase hologram recording material excellent in transparency, sensitivity, low curing shrinkage, and transparency, a volume phase hologram recording medium, and a volume phase hologram. A photosensitive resin composition for volume phase hologram recording contains a low-molecular-weight solvent-soluble aromatic copolymer (A) having a structural unit of a divinyl aromatic compound and a structural unit of a monovinyl aromatic compound, a photoradical polymerizable compound (B) which is copolymerizable with the soluble aromatic copolymer (A), and a photopolymerization initiator (C) as essential components. The photosensitive resin composition further contains, one kind or more of a polymer binder (D) and a plasticizer (E), and the soluble aromatic copolymer (A) is incorporated in an amount of 5 to 60% by weight.
    • 本发明涉及透明度,灵敏度,低固化收缩率和透明度优异,体积相位全息图记录介质和体积相位全息图的体积相位全息图记录材料。 用于体积相位全息记录的感光性树脂组合物含有具有二乙烯基芳香族化合物的结构单元和单乙烯基芳香族化合物的结构单元的低分子量溶剂可溶性芳香族共聚物(A),光自由基聚合性化合物(B) 其可与可溶性芳族共聚物(A)共聚,光聚合引发剂(C)为必需成分。 感光性树脂组合物还含有聚合物粘合剂(D)和增塑剂(E)中的一种以上,可溶性芳香族共聚物(A)的含量为5〜60重量%。