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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.
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公开(公告)号：US20240101751A1
公开(公告)日：2024-03-28
申请号：US18274188
申请日：2022-01-27
申请人： TOKUYAMA CORPORATION
CPC分类号： C08G18/4883 , B24B37/24 , C08G18/7621 , C08L29/04
摘要： The hollow microballoon of the invention includes a resin produced by polymerizing a polymerizing composition that contains a cyclic molecule having at least three side chains with a polymerizable functional group introduced into the terminal thereof and a polymerizable monomer other than the cyclic molecule having at least three side chains with a polymerizable functional group introduced into the terminal thereof. According to the invention, there are provided hollow microballoon capable of imparting not only polishing characteristics but also excellent durability to a CMP polishing pad using the hollow microballoon.
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公开(公告)号：US20230365739A1
公开(公告)日：2023-11-16
申请号：US18019153
申请日：2021-08-04
申请人： TOKUYAMA CORPORATION
IPC分类号： C08G18/42 , C08G18/12 , B24B37/22 , B24B37/24 , C09K9/02 , C08G18/64 , C08K7/22 , C08G18/08 , C08G18/32
CPC分类号： C08G18/42 , C08G18/12 , B24B37/22 , B24B37/24 , C09K9/02 , C08G18/64 , C08K7/22 , C08G18/14 , C08G18/3243 , C08K2201/003 , C08G2101/00
摘要： The present invention relates to a curable composition containing (A) a side chain-containing cyclic molecule in which three or more side chains each having a polymerizable functional group introduced at a terminal are introduced ((A) cyclic polyfunctional monomer), and (B) a polymerizable monomer having a polymerizable functional group polymerizable with the side chain-containing cyclic molecule ((B) another polymerizable monomer). The present invention provides a curable composition from which a cured article having high abrasion resistance and enabling exhibition of excellent mechanical properties and photochromic properties is obtained. In particular, the present invention can provide a curable composition from which a cured article suitable for use as a polishing pad or a photochromic spectacle lens can be obtained.
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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
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.
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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
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.
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