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11.发明申请公开(公告)号：US20210122874A1
公开(公告)日：2021-04-29
申请号：US17055270
申请日：2019-05-16
Applicant: TOKUYAMA CORPORATION
Inventor： Yasutomo SHIMIZU , Takayoshi KAWASAKI , Mitsuki TOCHI
IPC: C08G18/64 , C08G83/00 , C08F220/18 , C08K5/14 , C08K7/22 , C08K5/1545
Abstract: The invention is a polyrotaxane monomer (A) having a composite molecular structure composed of cyclic molecules and an axial molecule that skewer-like threads through the rings of the cyclic molecules and has a bulky group at both ends thereof so as not to dethread the rings, and the polyrotaxane monomer has a polymerizable functional group in the molecule and has a water content of 5000 ppm or less. According to the present invention, there can be provided a polyrotaxane monomer having a high productivity and capable of producing a high-quality material at a high yield, while maintaining excellent mechanical characteristics of the polyrotaxane monomer.
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公开(公告)号：US20170210943A1
公开(公告)日：2017-07-27
申请号：US15321665
申请日：2015-07-17
Applicant: TOKUYAMA CORPORATION
Inventor： Yasutomo SHIMIZU , Katsuhiro MORI
IPC: C09D183/14 , C08K5/357 , C08K5/1545 , G02B5/22 , C09D5/32 , C08G77/52 , G02B5/23 , C08K5/18 , C09K9/02
CPC classification number: C09D183/14 , C08F220/20 , C08F222/1006 , C08F230/08 , C08F290/06 , C08F290/14 , C08F299/08 , C08G77/52 , C08G77/80 , C08K5/1545 , C08K5/18 , C08K5/357 , C09D4/00 , C09D5/32 , C09K9/02 , C09K2211/1007 , C09K2211/1033 , C09K2211/1088 , G02B5/223 , G02B5/23 , G02B7/10 , G02C7/10 , G02C7/102 , C08F2222/108 , C08F2222/1073 , C08F2222/1026 , C08F2220/325 , C08F2230/085 , C08F220/36
Abstract: A curable composition having excellent storage stability and capable of forming a cured product having excellent scratch resistance.The composition comprises a silsesquioxane monomer having a radically polymerizable group in the molecule and a content of a component having a molecular weight measured by gel permeation chromatography (GPC) of not less than 10,000 of less than 9 mass % and a bifunctional polymerizable monomer represented by the following formula (1). (wherein B and B′ are each an linear or branched alkylene group having 2 to 15 carbon atoms, “c” is an average value of 1 to 20, when a plurality of B's are existent, B's may be the same or different, and R5 and R6 are each a hydrogen atom or methyl group.)
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公开(公告)号：US20240301171A1
公开(公告)日：2024-09-12
申请号：US18274389
申请日：2022-01-27
Applicant: KAGOSHIMA UNIVERSITY , Tokuyama Corporation
Inventor： Masahiro YOSHIDA , Takayuki TAKEI , Yoshihiro OHZUNO , Kengo NISHIO , Yasutomo SHIMIZU , Kazuishi FUKUDA , Takayoshi KAWASAKI
CPC classification number: C08K7/22 , B01J13/16 , B24B37/24 , C08K2201/003
Abstract: The fine hollow particle of the present invention is a fine hollow particle composed of a resin film comprising a melamine-based resin, in which the resin film is composed of a plurality of small piece-shaped portions and a bonding portion for bonding the plurality of small piece-shaped portions. According to the present invention, it is possible to provide stable fine hollow particles having excellent solvent resistance and heat resistance, good dispersibility, and a large particle diameter.
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公开(公告)号：US20240101819A1
公开(公告)日：2024-03-28
申请号：US18274185
申请日：2022-01-27
Applicant: TOKUYAMA CORPORATION
Inventor： Yasutomo SHIMIZU , Kazuishi FUKUDA , Takayoshi KAWASAKI
IPC: C08L75/12 , B24B37/24 , C08G18/10 , C08G18/32 , C08G18/38 , C08G18/40 , C08G18/42 , C08G18/44 , C08G18/48 , C08G18/64 , C08G18/66 , C08G18/76
CPC classification number: C08L75/12 , B24B37/24 , C08G18/10 , C08G18/3206 , C08G18/3212 , C08G18/381 , C08G18/3814 , C08G18/4081 , C08G18/4225 , C08G18/44 , C08G18/4825 , C08G18/4833 , C08G18/4854 , C08G18/6484 , C08G18/6629 , C08G18/6662 , C08G18/6696 , C08G18/7614 , C08L2203/30 , C08L2205/20 , H01L21/30625
Abstract: The present invention relates to a curable composition containing (A) a cyclic molecule that contains three or more side chains each having at a terminal thereof an active hydrogen-containing group, (B) a urethane prepolymer having an iso(thio)cyanate group on each of both terminals of a molecule, (C) a diol, and (D) an amino group-containing monomer.
According to the present invention, it is possible to provide a curable composition that gives a cured product having a high abrasion resistance and capable of exhibiting superior mechanical properties, in particular, a curable composition that can give a cured product capable of being suitably used in a polishing pad.-
公开(公告)号：US20230203234A1
公开(公告)日：2023-06-29
申请号：US17914998
申请日：2021-03-31
Applicant: TOKUYAMA CORPORATION
Inventor： Yasutomo SHIMIZU , Takayoshi KAWASAKI
CPC classification number: C08G18/64 , C08J9/32 , C08G83/007 , C08G18/10 , C08G18/14 , B24D3/32 , C08G2101/00
Abstract: The hollow microballoons of the invention are hollow microballoons formed of a resin produced by polymerizing a polymerizing composition that contains a polyrotaxane monomer having at least two polymerizable functional groups in the molecule and a polymerizable monomer other than the polyrotaxane monomer having at least two polymerizable functional groups in the molecule. Using the hollow microballoons of the invention, a CMP polishing pad having excellent polishing characteristics and durability can be provided.
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Patent Agency Ranking
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
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。
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17.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
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。
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公开(公告)号：US20230390890A1
公开(公告)日：2023-12-07
申请号：US18022700
申请日：2021-08-20
Applicant: TOKUYAMA CORPORATION
Inventor： Yasutomo SHIMIZU , Takayoshi KAWASAKI
CPC classification number: B24B37/24 , C09G1/02 , C08G18/10 , C08J2205/10 , C08G18/3228 , C08J9/32 , C08G18/3206
Abstract: A microballoon according to the present invention contains, in a surface layer of the microballoon, a polymerizable functional group having reactivity with an iso(thio)cyanate group, and the microballoon has a particle diameter of 10 μm to 200 μm. When the microballoon according to the present invention is used in a CMP polishing pad, excellent polishing characteristics and excellent durability of the polishing pad can be exhibited.
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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
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.
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公开(公告)号：US20230151179A1
公开(公告)日：2023-05-18
申请号：US17915006
申请日：2021-03-31
Applicant: TOKUYAMA CORPORATION
Inventor： Yasutomo SHIMIZU , Takayoshi KAWASAKI
CPC classification number: C08J9/32 , C08J9/0061 , C08L75/02 , B24B37/24 , C08J2375/02 , C08J2423/08 , C08J2461/28 , C08L2203/14 , C08L2205/03 , C08L2205/20
Abstract: The hollow microballoons for CMP polishing pad of the invention are formed of at least one resin selected from the group consisting of a melamine resin, a urea resin and an amide resin and have an average particle size of 1 to 100 μm. According to the invention, there can be provided hollow microballoons for CMP polishing pad, which, when used in CMP polishing pad, exhibit excellent polishing characteristics, and can stably produce CMP polishing pad even in production of CMP polishing pad.
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