-
公开(公告)号：US20240301171A1
公开(公告)日：2024-09-12
申请号：US18274389
申请日：2022-01-27
发明人： Masahiro YOSHIDA , Takayuki TAKEI , Yoshihiro OHZUNO , Kengo NISHIO , Yasutomo SHIMIZU , Kazuishi FUKUDA , Takayoshi KAWASAKI
CPC分类号： C08K7/22 , B01J13/16 , B24B37/24 , C08K2201/003
摘要： 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.
-
公开(公告)号：US20240101819A1
公开(公告)日：2024-03-28
申请号：US18274185
申请日：2022-01-27
申请人： TOKUYAMA CORPORATION
IPC分类号： 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分类号： 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
摘要： 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
申请人： TOKUYAMA CORPORATION
CPC分类号： C08G18/64 , C08J9/32 , C08G83/007 , C08G18/10 , C08G18/14 , B24D3/32 , C08G2101/00
摘要： 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.
-
公开(公告)号：US20240084067A1
公开(公告)日：2024-03-14
申请号：US18274403
申请日：2022-01-27
申请人： Tokuyama Corporation
CPC分类号： C08G18/10 , C08G18/0828 , C08G18/4277 , C08K7/22 , C09G1/02
摘要： The curable composition of the present invention contains (A) a cyclic monomer having both a polymerizable functional group and an ionic functional group in the molecule and (B) a polymerizable monomer having a polymerizable functional group capable of being polymerized with the polymerizable functional group of the cyclic monomer (A). The present invention can provide a curable composition that has easy handleability becoming a cured article that has high abrasion resistance and enhanced hydrophilicity without impairing the mechanical characteristics, and particularly can provide a curable composition becoming a cured article that can be favorably used as a polishing pad.
-
公开(公告)号：US20220387956A1
公开(公告)日：2022-12-08
申请号：US17765655
申请日：2020-09-23
申请人： TOKUYAMA CORPORATION
摘要： A method for producing microballoons consisting of a polyurethane (urea) produced by an interfacial polyaddition reaction method with a W/O emulsion and having excellent dispersibility is provided. Specifically, a method for producing microballoons, characterized by forming a microballoon dispersion liquid consisting of a polyurethane (urea) by an interfacial polyaddition reaction method with a W/O emulsion and then treating the dispersion liquid with a solution containing a monofunctional active hydrogen compound containing only one active hydrogen group selected from an amino group and a hydroxyl group is provided.
-
6.发明申请公开(公告)号：US20200172681A1
公开(公告)日：2020-06-04
申请号：US16621634
申请日：2018-06-18
申请人： TOKUYAMA CORPORATION
发明人： Junji TAKENAKA , Junji MOMODA , Takayoshi KAWASAKI , Takao NOGUCHI , Yasutomo SHIMIZU , Masayuki MIYAZAKI
摘要： A photochromic polyrotaxane compound which comprises an axial molecule and a plurality of cyclic molecules clathrating the axial molecule, wherein at least one side chain containing a photochromic moiety is bonded to at least one of the cyclic molecules, and a curable composition comprising the photochromic polyrotaxane compound and a polymerizable compound.
-
公开(公告)号：US20230028836A1
公开(公告)日：2023-01-26
申请号：US17783155
申请日：2020-12-10
申请人： TOKUYAMA CORPORATION
摘要： The present invention relates to a microballoon. The microballoon is made of polyurethane (urea). The microballoon is characterized in that an inner surface of the microballoon contains ionic groups. According to the present invention, through use for a CMP polishing pad, affinity with a slurry liquid for polishing is improved, and thus it is possible to provide a microballoon by which good polishing characteristics may be exhibited without lowering the resin strength of a polishing pad.
-
公开(公告)号：US20210292641A1
公开(公告)日：2021-09-23
申请号：US17258375
申请日：2019-07-18
申请人： TOKUYAMA CORPORATION
发明人： Takao NOGUCHI , Junji TAKENAKA , Junji MOMODA , Takayoshi KAWASAKI , Yasutomo SHIMIZU , Masayuki MIYAZAKI
IPC分类号： C09K9/02 , C08G65/333
摘要： The present invention relates to a photochromic compound including a polyvalent residue on which at least one group having a photochromic moiety is substituted, and at least one long-chain group not containing a photochromic moiety and having a molecular weight of 300 or more is further substituted; and a curable composition containing the same. In accordance with the present invention, it is possible to provide a photochromic compound which has high solubility in a polymerizable compound serving as a matrix while retaining high photochromic characteristics and is hardly affected by the matrix; and a curable composition containing the same.
-
公开(公告)号：US20210155736A1
公开(公告)日：2021-05-27
申请号：US17045553
申请日：2019-04-08
申请人： TOKUYAMA CORPORATION
摘要： The present invention relates to a urethane resin obtained by reacting a polymerizable composition containing at least a urethane prepolymer (B2) having an iso(thio)cyanate group at an end of a molecule thereof, which is obtained by reacting a bifunctional active hydrogen-containing compound (C1) having two groups having active hydrogen in a molecule thereof and a bifunctional iso(thio)cyanate group-containing compound (B1) having two iso(thio)cyanate groups in a molecule thereof, a polyrotaxane (A) having a composite molecular structure formed by an axial molecule and a plurality of cyclic molecules clathrating the axial molecule, in which side chains having a group having active hydrogen are introduced into at least a part of the cyclic molecules, and a polyfunctional active hydrogen-containing compound (C2) other than the polyrotaxane (A) and having three or more groups having active hydrogen in a molecule thereof. In accordance with the present invention, it is possible to provide a urethane resin for a sliding member with high abrasion resistance and capable of being suitably used as a polishing pad.
-
10.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
申请人： TOKUYAMA CORPORATION
IPC分类号： C08G18/64 , C08G83/00 , C08F220/18 , C08K5/14 , C08K7/22 , C08K5/1545
摘要： 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.
-
-
-
-
-
-
-
-
-
搜索结果
18 条记录 (耗时 0.017 秒)
