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    • 2. 发明申请
    • ENERGY-RAY-CURABLE ELASTOMER COMPOSITION, MATERIAL FOR GASKET, GASKET, AND HARD DISK DEVICE
    • 能量可固化弹性体组合物,垫片材料,垫片和硬盘设备
    • US20120041096A1
    • 2012-02-16
    • US13266422
    • 2010-04-27
    • Toshihiko KurataNaoyuki Ohmori
    • Toshihiko KurataNaoyuki Ohmori
    • C08G75/26
    • C08G75/045C08G75/04C08G75/12C08K5/37C08L2312/06C09K3/1012C09K2003/1062C08L33/10
    • Provided is an energy ray-curable elastomer composition which can increase the inter-crosslinking point molecular weight without changing the kind of an energy ray-curable compound before cured and which provides an oligomer-cured substance having a braking elongation compatible with a processability, to be specific, an energy ray-curable elastomer composition containing (A) an energy ray-curable compound having a (meth)acryloyl group and (B) a polythiol compound having 2 to 6 mercapto groups in a molecule, wherein a functional group number ratio of the (meth)acryloyl group in the above composition to the mercapto group in the component (B) is 100:0.1 to 100:5n (n is the number of the mercapto group in a molecule of the polythiol compound). Further, provided are a material for a gasket containing the energy ray-curable elastomer composition described above which provides a gasket enhancing a braking elongation without damaging a processability and other necessary physical properties and making it possible to inhibit cracking, breaking and the like from being caused, a gasket comprising a substance obtained by curing the above material for a gasket by an energy ray and a hard disk device prepared by using the above gasket.
    • 本发明提供一种能够提高交联点间分子量而不改变固化前的能量射线固化性化合物的种类的能量射线固化型弹性体组合物,其具有与加工性相容的制动伸长率的低聚物固化物质, 特别是含有(A)具有(甲基)丙烯酰基的能量射线固化性化合物和(B)分子中具有2〜6个巯基的多硫醇化合物的能量射线固化性弹性体组合物,其中官能团数比 的上述组成中的(甲基)丙烯酰基与成分(B)中的巯基的比例为100:0.1〜100:5n(n是多硫醇化合物的分子中的巯基数)。 此外,提供了一种用于垫圈的材料,其包含上述的能量射线固化弹性体组合物,其提供了提高制动伸长率的垫圈,而不损害加工性和其他必需的物理性能,并且可以抑制开裂和断裂等 引起了包括通过用能量射线固化上述材料用于垫圈而获得的物质的垫圈和通过使用上述衬垫制备的硬盘装置。
    • 3. 发明申请
    • PHOTOCURABLE LIQUID RESIN AND PHOTOCURABLE LIQUID RESIN PRODUCED BY SUCH METHOD
    • 通过这种方法生产的可光控液体树脂和可光控液体树脂
    • US20110190451A1
    • 2011-08-04
    • US13088634
    • 2011-04-18
    • Toshiki TAKIZAWANaoyuki OHMORI
    • Toshiki TAKIZAWANaoyuki OHMORI
    • C08F279/06C08F8/04
    • C09K3/10C08C19/02C08F8/00C08F290/00C08F290/04C09K2200/0617C09K2200/0625C09K2200/0632F16J15/108F16J15/14
    • A photocurable liquid resin which comprises (A) a step of producing a conjugated diene-based polymer or a conjugated diene/aromatic vinyl-based copolymer, which has a weight-average molecular weight of 5,000 to 40,000 and a molecular weight distribution of 3.0 or smaller, by polymerizing a conjugated diene-based monomer or a combination of a conjugated diene-based monomer and an aromatic vinyl-based monomer in a saturated hydrocarbon-based solvent using a dilithium initiator, (B) a step of producing a conjugated diene-based polymer polyol or a conjugated diene/aromatic vinyl-based copolymer polyol by reacting the produced polymer or copolymer with an alkylene oxide, (C) a step of producing a hydrogenated conjugated diene-based polymer polyol or a hydrogenated conjugated diene/aromatic vinyl-based copolymer polyol by hydrogenating the produced polymer polyol or copolymer polyol, and (D) a step of reacting the hydrogenated polymer polyol or copolymer polyol with a compound having a photocurable unsaturated hydrocarbon group. A material comprising the produced resin exhibits excellent barrier property against water vapor, excellent heat resistance and a hardness suitable for a material having rubber elasticity and is advantageously used as sealing a material.
    • 一种光固化液体树脂,其包含(A)共轭二烯系聚合物或共轭二烯/芳香族乙烯基类共聚物的制造工序,其重均分子量为5,000〜40,000,分子量分布为3.0, 通过使用二锂引发剂在饱和烃系溶剂中使共轭二烯系单体或共轭二烯系单体和芳香族乙烯基类单体的组合聚合而得到的组合物更小,(B)共轭二烯系单体的制造工序, (C)制备氢化共轭二烯系聚合物多元醇或氢化共轭二烯/芳香族乙烯基系聚合物多元醇的工序, 通过氢化所制备的聚合物多元醇或共聚物多元醇,和(D)使氢化聚合物多元醇或共聚物多元醇与具有照片的化合物反应的步骤 可固化不饱和烃基。 包含所生产的树脂的材料表现出优异的水蒸汽阻隔性,优异的耐热性和适用于具有橡胶弹性的材料的硬度,并且有利地用作密封材料。
    • 5. 发明申请
    • METHOD FOR PRODUCING PHOTOCURABLE LIQUID RESIN AND PHOTOCURABLE LIQUID RESIN PRODUCED BY SUCH METHOD
    • 通过这种方法生产可光化液体树脂和可光控液体树脂的方法
    • US20090163685A1
    • 2009-06-25
    • US12094961
    • 2006-11-21
    • Toshiki TakizawaNaoyuki Ohmori
    • Toshiki TakizawaNaoyuki Ohmori
    • C08F136/06
    • C09K3/10C08C19/02C08F8/00C08F290/00C08F290/04C09K2200/0617C09K2200/0625C09K2200/0632F16J15/108F16J15/14
    • A method for producing a photocurable liquid resin which comprises (A) a step of producing a conjugated diene-based polymer or a conjugated diene/aromatic vinyl-based copolymer, which has a weight-average molecular weight of 5,000 to 40,000 and a molecular weight distribution of 3.0 or smaller, by polymerizing a conjugated diene-based monomer or a combination of a conjugated diene-based monomer and an aromatic vinyl-based monomer in a saturated hydrocarbon-based solvent using a dilithium initiator, (B) a step of producing a conjugated diene-based polymer polyol or a conjugated diene/aromatic vinyl-based copolymer polyol by reacting the produced polymer or copolymer with an alkylene oxide, (C) a step of producing a hydrogenated conjugated diene-based polymer polyol or a hydrogenated conjugated diene/aromatic vinyl-based copolymer polyol by hydrogenating the produced polymer polyol or copolymer polyol, and (D) a step of reacting the hydrogenated polymer polyol or copolymer polyol with a compound having a photocurable unsaturated hydrocarbon group. A material comprising the produced resin exhibits excellent barrier property against water vapor, excellent heat resistance and a hardness suitable for a material having rubber elasticity and is advantageously used as sealing a material.
    • 一种光固化液体树脂的制造方法,其特征在于,包括(A)共轭二烯系聚合物或共轭二烯/芳香族乙烯基系共聚物的制造工序,其重均分子量为5,000〜40,000,分子量 通过使用二锂引发剂在饱和烃系溶剂中使共轭二烯系单体或共轭二烯系单体和芳香族乙烯基系单体的组合聚合而得到3.0以下的分布,(B) 共轭二烯系聚合物多元醇或共轭二烯/芳香族乙烯基类共聚物多元醇,(C)制造氢化共轭二烯系聚合物多元醇或氢化共轭二烯的工序 /芳族乙烯基类共聚物多元醇,通过氢化生成的聚合物多元醇或共聚物多元醇,和(D)使氢化聚合物多元醇或共聚物多元醇与 具有光固化不饱和烃基的化合物。 包含所生产的树脂的材料表现出优异的水蒸汽阻隔性,优异的耐热性和适用于具有橡胶弹性的材料的硬度,并且有利地用作密封材料。