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    PHOTOCHROMIC CURABLE COMPOSITION
    22.
    发明申请
    PHOTOCHROMIC CURABLE COMPOSITION 审中-公开
    光敏可固化组合物

    公开(公告)号：US20160116765A1

    公开(公告)日：2016-04-28

    申请号：US14893711

    申请日：2014-07-09

    Applicant: TOKUYAMA CORPORATION

    Inventor： Yasutomo SHIMIZU ,  Katsuhiro MORI ,  Junji MOMODA

    IPC: G02C7/10 ,  G02B1/04 ,  B29C45/00 ,  G02B1/10 ,  C09K9/02 ,  B32B27/30

    CPC classification number: G02C7/102 ,  B29C45/0001 ,  B29K2033/08 ,  B29L2011/0016 ,  B32B27/308 ,  B32B2250/02 ,  B32B2307/402 ,  B32B2551/00 ,  C08F2/44 ,  C08F20/32 ,  C09K9/02 ,  C09K2211/1033 ,  C09K2211/1088 ,  G02B1/04 ,  G02B1/10 ,  G02B5/23 ,  G02C2202/16

    Abstract: A photochromic curable composition comprising (A) a polymerizable monomer component that contains a (meth)acrylic polymerizable monomer (X), and (B) a photochromic compound, wherein the (meth)acrylic polymerizable monomer (X) is constituted by 80 to 97 parts by mass of a polyfunctional monomer (Xp) having not less than two (meth)acrylic groups in a molecule thereof, and 3 to 20 parts by mass of a monofunctional monomer (Xm) having one (meth)acrylic group in a molecule thereof, the monofunctional polymerizable monomer (Xm) is constituted by an epoxy group-containing monomer (Xm1) and an isocyanate group-containing monomer (Xm2), and the isocyanate group-containing monomer (Xm2) and the epoxy group-containing monomer (Xm1) are contained at a mass ratio of Xm2/Xm1=3 to 40.

    Abstract translation: 1.一种光致变色固化性组合物，其含有（A）含有（甲基）丙烯酸系聚合性单体（X）的聚合性单体成分和（B）光致变色化合物，其中，所述（甲基）丙烯酸系聚合性单体（X）为80〜97 分子内具有不少于2个（甲基）丙烯酸基团的多官能单体（Xp）质量份，分子内具有1个（甲基）丙烯酸基的单官能单体（Xm）3〜20质量份 ，单官能聚合性单体（Xm）由含环氧基的单体（Xm1）和含异氰酸酯基的单体（Xm2）构成，含异氰酸酯基的单体（Xm2）和含环氧基的单体（Xm1 ）以质量比Xm2 / Xm1 = 3〜40。

    PHOTOCHROMIC CURABLE COMPOSITION, CURED PRODUCT THEREOF AND LAMINATE INCLUDING THE CURED PRODUCT
    23.
    发明申请
    PHOTOCHROMIC CURABLE COMPOSITION, CURED PRODUCT THEREOF AND LAMINATE INCLUDING THE CURED PRODUCT 有权
    光固化组合物，其固化产品和包覆固化产品的层压板

    公开(公告)号：US20160002524A1

    公开(公告)日：2016-01-07

    申请号：US14770181

    申请日：2014-02-26

    Applicant: TOKUYAMA CORPORATION

    Inventor： Yasutomo SHIMIZU ,  Junji TAKENAKA ,  Junji MOMODA ,  Katsuhiro MORI

    IPC: C09K9/02 ,  G02C7/10 ,  G02B5/22 ,  G02B1/10 ,  G02B5/23

    CPC classification number: C09K9/02 ,  C08F2/50 ,  C08F220/28 ,  C08F290/061 ,  C09K2211/1088 ,  C09K2211/1425 ,  G02B1/10 ,  G02B5/223 ,  G02B5/23 ,  G02C7/102

    Abstract: A curable composition which comprises a carbonate-based polymerizable monomer represented by the following formula, other polymerizable monomers and a photochromic compound, can be used even under high-temperature and high-humidity conditions without any problems and provides a cured product having excellent photochromic properties. wherein A and A′ are each a linear or branched alkylene group having 2 to 15 carbon atoms, “a” is an average value of 1 to 20, when there are a plurality of A's, A's may be the same or different, R1 is a hydrogen atom or methyl group, and R2 is a (meth)acryloyloxy group or hydroxyl group.

    Abstract translation: 即使在高温高湿条件下也可以使用包含下式表示的碳酸酯系聚合性单体的固化性组合物，其它的可聚合单体和光致变色化合物，并且提供具有优异的光致变色特性的固化物 。 其中A和A'各自为具有2至15个碳原子的直链或支链亚烷基，“a”为1至20的平均值，当存在​​多个A时，A可以相同或不同，R 1为 氢原子或甲基，R2为（甲基）丙烯酰氧基或羟基。

    RESIN COMPOSITION, OPTICAL LAMINATE, OPTICAL ARTICLE, LENS AND EYEGLASSES
    26.
    发明公开
    RESIN COMPOSITION, OPTICAL LAMINATE, OPTICAL ARTICLE, LENS AND EYEGLASSES 审中-公开

    公开(公告)号：US20240100810A1

    公开(公告)日：2024-03-28

    申请号：US18271925

    申请日：2022-01-12

    Applicant: TOKUYAMA CORPORATION

    Inventor： Takao NOGUCHI ,  Katsuhiro MORI ,  Junji MOMODA

    IPC: B32B27/06 ,  B32B27/40 ,  C08L75/08

    CPC classification number: B32B27/06 ,  B32B27/40 ,  C08L75/08 ,  B32B2250/02 ,  B32B2307/42 ,  B32B2375/00 ,  B32B2551/00

    Abstract: The present invention aims to provide a resin composition having excellent photochromic properties and mechanical properties.
    The present invention relates to a resin composition containing (i) a urethane-based resin having a propylene glycol chain in a molecular chain thereof and (ii) a photochromic compound, wherein the intensity ratio of PMIpst to PMIcp (PMIpst/PMIcp) is 8.0 or more and 40.0 or less when PMIpst indicates the total spectral intensity of 16 ppm or more and 20 ppm or less including the spectral intensity of a carbon atom of a methyl group in the propylene glycol chain as measured by 13C-PST/MAS NMR and PMIcp indicates the total spectral intensity of 16 ppm or more and 20 ppm or less including the spectral intensity of the carbon atom of the methyl group in the propylene glycol chain as measured by 13C-CP/MAS NMR.

    LAMINATED POLISHING PAD
    28.
    发明公开
    LAMINATED POLISHING PAD 审中-公开

    公开(公告)号：US20230211454A1

    公开(公告)日：2023-07-06

    申请号：US17927669

    申请日：2021-05-27

    Applicant: TOKUYAMA CORPORATION

    Inventor： Yasutomo SHIMIZU ,  Takayoshi KAWASAKI ,  Junji MOMODA ,  Mitsuki TOCHI

    IPC: B24B37/22 ,  B24B37/24

    CPC classification number: B24B37/22 ,  B24B37/24

    Abstract: The CMP laminated polishing pad of the present invention includes at least a polishing layer and an under layer, wherein the under layer contains a resin obtained by polymerizing a polymerizable composition containing: (A) a polyrotaxane monomer having at least two polymerizable functional groups in a molecule; and (B) a polymerizable monomer other than the polyrotaxane monomer having at least two polymerizable functional groups in a molecule. According to the present invention, a polishing pad having not only good wear resistance but also excellent polishing characteristics (high polishing rate, low scratch property, and high flatness) can be provided.

    PHOTOCHROMIC OPTICAL ARTICLE AND METHOD FOR MANUFACTURING SAME
    29.
    发明申请
    PHOTOCHROMIC OPTICAL ARTICLE AND METHOD FOR MANUFACTURING SAME 有权

    公开(公告)号：US20220162486A1

    公开(公告)日：2022-05-26

    申请号：US17599830

    申请日：2020-04-03

    Applicant: TOKUYAMA CORPORATION

    Inventor： Katsuhiro MORI ,  Takao NOGUCHI ,  Junji MOMODA

    IPC: C09J175/04 ,  C09K9/02 ,  C09J11/06 ,  C08G18/75 ,  C08G18/38 ,  G02C7/10

    Abstract: The present invention relates to a photochromic optical article including a pair of optical article plates bonded together through an adhesive layer containing a photochromic compound and at least one resin selected from a urethane resin, an epoxy resin, and an acrylic resin, wherein a deviation of the thickness of the adhesive layer on a concentric circle from the central point of the pair of optical article plates is within ±10%.
    In accordance with the present invention, in the photochromic optical article formed of a pair of optical article plates bonded together through an adhesive layer, a photochromic optical article in which the thickness of the photochromic adhesive layer is prescribed, and which is free from problems, such as a lowering of the appearance quality, can be provided.

    OPTICAL MATERIAL COMPOSITION AND OPTICAL MATERIAL
    30.
    发明申请
    OPTICAL MATERIAL COMPOSITION AND OPTICAL MATERIAL 有权

    公开(公告)号：US20220056170A1

    公开(公告)日：2022-02-24

    申请号：US17413841

    申请日：2019-12-17

    Applicant: TOKUYAMA CORPORATION

    Inventor： Ayako OHARA ,  Taichi HANASAKI ,  Junji TAKENAKA ,  Junji MOMODA

    IPC: C08F20/14 ,  C08F2/50 ,  C08K5/3475 ,  C08L75/06 ,  G02B1/04

    Abstract: The present invention is an optical material composition containing (A) 100 parts by mass of a polymerizable monomer, and (B) 0.001 to 0.3 parts by mass of a UV absorbent having a maximum absorption wavelength of 360 nm or more and less than 380 nm and having a specific structure, and an optical material formed of the composition. According to the present invention, there can be provided an optical material composition containing a UV absorbent and having good long-term storage stability, and an optical material formed of the composition, in particular, an optical material composition capable of forming a plastic lens having a high blue light cut rate.

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