公开(公告)号：US20170145137A1

公开(公告)日：2017-05-25

申请号：US14907925

申请日：2014-06-17

Applicant: DIC CORPORATION

Inventor： Shunsuke Yamada ,  Takeshi Ibe ,  Nobuo Kobayashi ,  Yasuko Odani ,  Masashi Sugiyama

IPC: C08F290/06 ,  G02B1/04

CPC classification number: C08F290/067 ,  C08F290/06 ,  G02B1/041 ,  C08L75/14

Abstract: Provided is a photocurable resin composition that has a low viscosity and is capable of yielding a high refractive index. Specifically, a urethane (meth)acrylate resin (A) obtained by a reaction of an aromatic diisocyanate compound (a), a polyol compound (b), and a hydroxyl-group-containing (meth)acrylate compound (c) as essential raw material components is used. The urethane (meth)acrylate resin (A) contains a structural moiety (a-1) represented by structural formula (1) below: (where R1 represents a hydrogen atom or a methyl group) and a structural moiety (a-2) represented by structural formula (2) below: (where R1, R2, R3, X1, and X2 each independently represent a hydrogen atom or a methyl group) at a (a-1)/(a-2) molar ratio of 45/55 to 60/40. The polyol compound (b) has an aromatic hydrocarbon skeleton.

公开(公告)号：US20140148525A1

公开(公告)日：2014-05-29

申请号：US13822076

申请日：2012-03-12

Applicant: DIC Corporation

Inventor： Nobuo Kobayashi ,  Akihiro Kondo ,  Atsuhisa Miyawaki ,  Naoya Ikushima ,  Kazuaki Hatsusaka

IPC: C08F220/36

CPC classification number: C08F220/36 ,  C08F212/04 ,  C08F212/32 ,  C08F212/34 ,  C08F220/06 ,  C08F220/10 ,  C08F220/18 ,  C08F220/68 ,  C08F283/10 ,  C08F283/105 ,  C08G18/04 ,  C08G71/04 ,  G02B1/04 ,  C08L33/10 ,  C08L33/08 ,  C08L75/16

Abstract: There are provided a radical polymerizable composition having a low viscosity suitable for coating, a cured product obtained by curing the composition, the cured product having a high refractive index and high toughness and being not easily cracked or chipped when cutting, and a plastic lens obtained by curing the composition. A radical polymerizable composition includes phenylbenzyl(meth)acrylate (A), a urethane(meth)acrylate (X) having an aromatic ring in its molecular structure, and a radical polymerization initiator (Y) as essential components.

Abstract translation: 本发明提供一种适用于涂布的低粘度的自由基聚合性组合物，通过固化该组合物得到的固化物，具有高折射率，高韧性的固化物，切断时不容易破裂或切片，得到的塑料透镜 通过固化组合物。 可自由基聚合组合物包括（甲基）苯基苄基酯（A），分子结构中具有芳环的氨基甲酸酯（甲基）丙烯酸酯（X）和作为必需成分的自由基聚合引发剂（Y）。

公开(公告)号：US10527755B2

公开(公告)日：2020-01-07

申请号：US15769178

申请日：2016-10-06

Applicant: DIC Corporation

Inventor： Yasuko Odani ,  Masanori Miyamoto ,  Nobuo Kobayashi ,  Naohiro Takeshita ,  Ena Takeshita ,  Changjun Deng ,  Xia Yang

IPC: G02B1/04 ,  C08F2/44 ,  C08F2/48 ,  C08G61/12 ,  C08K3/22 ,  C08L33/10

Abstract: Provided are an active energy ray-curable composition which has a viscosity suitable for coating and also has a super high refractive index at a level higher than ever, a cured product thereof, and a plastic lens. The active energy ray-curable composition contains zirconium oxide nanoparticles (A) and a bicarbazole compound (B) represented by the following structural formula (1) (in the formula, X1 and X2 each independently represent a photopolymerizable functional group, a structural moiety having a photopolymerizable functional group, or a hydrogen atom, provided that at least one of X1 and X2 represents a photopolymerizable functional group or a structural moiety having a photopolymerizable functional group; and R1 and R2 each independently represent a hydrogen atom, an alkyl group having 1 to 4 carbon atoms, an alkoxy group having 1 to 4 carbon atoms, a bromine atom, or a chlorine atom).

公开(公告)号：US10253156B2

公开(公告)日：2019-04-09

申请号：US15534370

申请日：2015-11-12

Applicant: DIC Corporation

Inventor： Naohiro Takeshita ,  Nobuo Kobayashi ,  Yasuko Odani ,  Ena Takeshita

IPC: C08K5/07 ,  C08K3/22 ,  C08F2/44 ,  G02B1/04 ,  C08K5/5425 ,  C09C3/04 ,  C09C3/12 ,  C09C1/00 ,  C08F220/30

Abstract: Provided are a cured material having a high refractive index for an optical member obtained by preparing a stable dispersion with a small amount of dispersant, and a process for producing dispersion of fine inorganic particles which is capable of drastically shortening the dispersion process time without causing overdispersion under the conditions of high solid concentration and without using media having a small particle size, which are very expensive and for which available dispersing machines are limited. Provided are a process for producing dispersion of fine inorganic particles using a media type wet dispersing machine, which includes supplying the following (A) to (D) to the wet dispersing machine, provided that (D) is supplied last to the wet dispersing machine: (A) Zirconium oxide nanoparticle, (B) Silane coupling agent, (C) Dispersion medium, and (D) Dispersant; a curable composition containing a dispersion obtained by the producing process; and a cured material obtained therefrom.

公开(公告)号：US20150284556A1

公开(公告)日：2015-10-08

申请号：US14439452

申请日：2013-10-24

Applicant: DIC CORPORATION

Inventor： Masashi Sugiyama ,  Nobuo Kobayashi

IPC: C08L33/08 ,  C08L33/14 ,  G02B1/04 ,  C08L35/02

CPC classification number: C08L33/08 ,  B32B27/308 ,  C08F2/48 ,  C08L33/14 ,  C08L35/02 ,  G02B1/041 ,  Y10T428/31507 ,  Y10T428/31663 ,  C08L33/10 ,  C08L45/00 ,  C08F2220/301 ,  C08F2220/1883 ,  C08F2222/1086

Abstract: There are provided a photocurable molding resin composition that exhibits a high adhesion to a variety of transparent resin substrates when formed into a resin layer on the transparent resin substrate, and a molded multilayer article having high adhesion between the resin layer and the transparent substrate. The composition contains a photopolymerizable substance (A) having a (meth)acryloyl group in the molecule thereof, a hydrogen abstraction type photopolymerization initiator (B), an intramolecular cleavage type photopolymerization initiator (C), and a silicone compound (D). The proportion of the silicone compound (D) is 1.0 to 5.0 parts by mass to the total mass of the composition that is 100 parts by mass of the constituents (A) to (C).

Abstract translation: 提供了一种光固化型树脂组合物，其在透明树脂基板上形成树脂层时对各种透明树脂基板具有高粘合性，并且在树脂层和透明基板之间具有高粘合性的成型多层制品。 该组合物含有分子内具有（甲基）丙烯酰基的光聚合性物质（A），取氢型光聚合引发剂（B），分子内裂解型光聚合引发剂（C）和硅氧烷化合物（D）。 硅化合物（D）的比例相对于100质量份成分（A）〜（C）为100质量份，为1.0〜5.0质量份。

公开(公告)号：US20140114037A1

公开(公告)日：2014-04-24

申请号：US14143388

申请日：2013-12-30

Applicant: DIC CORPORATION

Inventor： Nobuo Kobayashi ,  Akihiro Kondo ,  Atsuhisa Miyawaki ,  Naoya Ikushima ,  Kazuaki Hatsusaka

IPC: C08F224/00 ,  C08F220/18

CPC classification number: G02B1/041 ,  C08F24/00 ,  C08F212/02 ,  C08F212/04 ,  C08F212/06 ,  C08F212/14 ,  C08F212/145 ,  C08F212/32 ,  C08F212/34 ,  C08F220/06 ,  C08F220/10 ,  C08F220/18 ,  C08F220/68 ,  C08F224/00 ,  C08F234/02 ,  C08F283/10 ,  C08F283/105 ,  C08F290/064 ,  C08L51/08 ,  G02B1/04 ,  Y10S526/937 ,  C08L33/10 ,  C08L33/08 ,  C08F220/16

Abstract: There are provided a radical polymerizable composition having a low viscosity suitable for coating and a cured product and a plastic lens each obtained by curing the composition, the cured product having a high refractive index, good adhesiveness to a plastic film substrate, and good adhesiveness kept even under high-temperature and high-humidity conditions. The radical polymerizable composition includes phenylbenzyl (meth)acrylate (A), an epoxy (meth)acrylate (X) having an aromatic ring in its molecular structure, and a radical polymerization initiator (Y) as essential components.