公开(公告)号：US20160126431A1

公开(公告)日：2016-05-05

申请号：US14894438

申请日：2014-05-21

Applicant: DAICEL CORPORATION

Inventor： Masanori MARUKAWA ,  Tomoya EGAWA ,  Akihiro SHIBAMOTO

IPC: H01L33/56 ,  H01L51/00 ,  H01L51/52 ,  C08G59/02 ,  H01B1/22

CPC classification number: H01L33/56 ,  C08G59/02 ,  C08G59/24 ,  C08G59/60 ,  C08G59/68 ,  C08G59/688 ,  C08G65/18 ,  C08L63/00 ,  C08L2205/02 ,  H01B1/22 ,  H01L51/0035 ,  H01L51/5237

Abstract: A curable composition according to the present invention for sealing optical semiconductor includes components (A), (B), and (C). Another curable composition according to the present invention for sealing optical semiconductor further includes a component (D) in addition to the components (A), (B) and (C). The component (A) is a compound containing at least one functional group selected from the group consisting of epoxy groups, oxetanyl groups, vinyl ether groups, and (meth)acryloyl groups. The component (B) is a cycloaliphatic epoxy compound. The component (C) is a curing catalyst including a cationic component and an anionic component and generating an acid upon application of light or heat, where the cationic component contains an aromatic ring, and the anionic component contains a central element selected from boron and phosphorus. The component (D) is conductive fiber-bearing particles each including a particulate substance and a fibrous conductive substance lying on or over the particulate substance.

Abstract translation: 根据本发明的用于密封光学半导体的可固化组合物包括组分（A），（B）和（C）。 根据本发明的用于密封光学半导体的可固化组合物还包括除了组分（A），（B）和（C）之外的组分（D）。 组分（A）是含有至少一个选自环氧基，氧杂环丁烷基，乙烯基醚基和（甲基）丙烯酰基的官能团的化合物。 组分（B）是脂环族环氧化合物。 组分（C）是包含阳离子组分和阴离子组分并在施加光或热时产生酸的固化催化剂，其中阳离子组分含有芳环，阴离子组分含有选自硼和磷的中心元素 。 组分（D）是包含颗粒物质和位于颗粒物质上或上方的纤维状导电物质的导电纤维承载颗粒。

公开(公告)号：US20200079910A1

公开(公告)日：2020-03-12

申请号：US16614007

申请日：2018-05-16

Applicant: DAICEL CORPORATION

Inventor： Akihiro SHIBAMOTO ,  Shinji MAETANI ,  Kazuhiro NISHIDA ,  Daisuke USA

IPC: C08G77/04 ,  C08G59/20 ,  B29C45/14 ,  B32B27/28 ,  B32B7/12

Abstract: An object of the present invention is to provide a polyorganosilsesquioxane that can form a hard coat layer having high surface hardness through in-mold injection molding and can form a tack-free coating film, and thus is suitable as a material for a hard coat layer of a transfer film that can be wound as a roll. The present invention relates to a polyorganosilsesquioxane having a constituent unit represented by Formula (1) below; wherein a molar ratio of a constituent unit represented by Formula (I) below to a constituent unit represented by Formula (II) below, namely [(constituent unit represented by Formula (I))/(constituent units represented by Formula (II))], is from 20 to 500; a ratio of constituent units represented by Formula (1) below and constituent units represented by Formula (4) below relative to a total amount (100 mol %) of siloxane constituent units is from 55 to 100 mol %; a number average molecular weight is from 2500 to 50000; and a molecular weight dispersity (weight average molecular weight/number average molecular weight) is from 1.0 to 4.0; and a curable composition including the polyorganosilsesquioxane.

公开(公告)号：US20230242765A1

公开(公告)日：2023-08-03

申请号：US18018904

申请日：2021-08-19

Applicant: DAICEL CORPORATION

Inventor： Nobuhiro KAWAHARA ,  Tomoko ADACHI ,  Akihiro SHIBAMOTO ,  Shinji MAETANI

IPC: C08L83/06 ,  C08J7/04 ,  C09D183/06 ,  C09J183/06

CPC classification number: C08L83/06 ,  C08J7/0427 ,  C09D183/06 ,  C09J183/06 ,  C08J2383/06

Abstract: Provided is a polyorganosilsesquioxane that is suitable as a material for a hard coat film or an adhesive, the polyorganosilsesquioxane being capable of forming a cured product having a high surface hardness and flexibility while having a high heat resistance or the like. The polyorganosilsesquioxane contains a cage-type silsesquioxane represented by Compositional Formula (1). When the polyorganosilsesquioxane is analyzed using a liquid chromatography-evaporative light scattering detector, a peak area % of the cage-type silsesquioxane represented by Compositional Formula (1) is 5% or greater with respect to a peak area of all components detected.


[R1SiO3/2]8[R1SiO2/2(ORc)]1  Formula (1)

公开(公告)号：US20220017777A1

公开(公告)日：2022-01-20

申请号：US17295741

申请日：2019-11-20

Applicant: DAICEL CORPORATION

Inventor： Kunio SHIMIZU ,  Hiroshi TAKAHASHI ,  Akihiro SHIBAMOTO

IPC: C09D183/06 ,  C08G77/14 ,  C08G77/20

Abstract: The purpose of the present invention is to provide a weather-resistant hard coat composition for a metal, the composition being capable of efficiently forming a coating film excelling in weather resistance, scratch resistance, and flexibility. The present invention provides: a weather-resistant hard coat composition for a metal, the composition containing a polyorganosilsesquioxane having a constituent unit represented by Formula (1); a cured product thereof; and a coated metal substrate having a metal substrate and a coating film formed on at least one surface of the metal substrate. The coating film is a layer of a cured product of the weather-resistant hard coat composition for a metal. [In Formula (1), R1 represents a group containing an active energy ray-curable functional group.] [R1SiO3/2]  (1)

公开(公告)号：US20220017776A1

公开(公告)日：2022-01-20

申请号：US17295527

申请日：2019-11-20

Applicant: DAICEL CORPORATION

Inventor： Kunio SHIMIZU ,  Hiroshi TAKAHASHI ,  Akihiro SHIBAMOTO

IPC: C09D183/06 ,  C08G77/14 ,  C08G77/20

Abstract: The purpose of the present invention is to provide a weather-resistant hard coat composition for a glass-substitute substrate capable of efficiently forming a coating film excelling in weather resistance, scratch resistance, and toughness. The present invention provides: a weather-resistant hard coat composition for a glass-substitute substrate, the composition containing a polyorganosilsesquioxane having a constituent unit represented by Formula (1); a cured product thereof; and a laminate having a glass-substitute substrate and a coating film formed on at least one surface of the glass-substitute substrate. The coating film is a layer of a cured product of the weather-resistant hard coat composition for a glass-substitute substrate. [In formula (1), R1 represents a group containing an active energy ray-curable functional group.]

公开(公告)号：US20200271829A1

公开(公告)日：2020-08-27

申请号：US16646226

申请日：2018-09-06

Applicant: DAICEL CORPORATION

Inventor： Akihiro SHIBAMOTO ,  Takashi YOSHIMURA

IPC: G02B1/04 ,  G02B1/14 ,  C08G77/14 ,  G02B1/08 ,  C08L77/00

Abstract: An object of the present invention is to provide a plastic lens that has a hard coat layer exhibiting high surface hardness and scratch resistance and that suppresses occurrence of interference fringes. The present invention provides a plastic lens containing a plastic lens substrate; and a hard coat layer formed on at least one surface of the plastic lens substrate, wherein the plastic lens substrate contains at least one resin selected from the group consisting of a polyamide-based resin, a polycarbonate-based resin, an acrylic resin, an allyl-based resin, a urethane-based resin, and a thiourethane-based resin, and the hard coat layer is a cured product of a curable composition containing a polyorganosilsesquioxane described below, a content of the polyorganosilsesquioxane being 80 wt. % or greater relative to the total solid content (100 wt. %) of the curable composition, the polyorganosilsesquioxane containing a constituent unit represented by Formula (1), the polyorganosilsesquioxane having a molar ratio of a constituent units of Formula (I) to constituent units of Formula (II) being from 5 to 500, the polyorganosilsesquioxane having a ratio of the constituent unit of Formula (1) and a constituent unit of Formula (4) relative to the total amount of siloxane constituent units being from 55 to 100 mol %, the polyorganosilsesquioxane having a number average molecular weight being from 1000 to 50000, and the polyorganosilsesquioxane having a molecular weight dispersity being from 1.0 to 4.0. [Chem. 1] [R1SiO3/2]  (1) [Chem. 2] [RaSiO3/2]  (I) [Chem. 3] [RbSiO2/2(ORc)]  (II) [Chem. 4] [R1SiO2/2(ORc)]  (4)

公开(公告)号：US20240043605A1

公开(公告)日：2024-02-08

申请号：US18266395

申请日：2022-01-20

Applicant: DAICEL CORPORATION

Inventor： Akihiro SHIBAMOTO ,  Takashi YOSHIMURA ,  Yukio ASAI

IPC: C08G59/02 ,  C08G59/32 ,  C08G65/22 ,  C08G77/14 ,  C08K5/34 ,  C08L83/04 ,  C09D171/02 ,  C09D183/12

CPC classification number: C08G59/02 ,  C08G59/3281 ,  C08G65/22 ,  C08G77/14 ,  C08K5/34 ,  C08L83/04 ,  C09D171/02 ,  C09D183/12

Abstract: Provided is a curable composition that can form a lens having excellent visibility, antiglare effects, and contrast-enhancing effects by suppressing thermal degradation of a tetraazaporphyrin compound. The curable composition according to the present disclosure includes silsesquioxane containing a cyclohexene oxide group, and a tetraazaporphyrin compound having an absorption peak in a wavelength region of from 570 to 605 nm, in which a content of the tetraazaporphyrin compound is from 1000 to 10000 ppm by weight of a content of the silsesquioxane.

公开(公告)号：US20200284950A1

公开(公告)日：2020-09-10

申请号：US16646416

申请日：2018-09-06

Applicant: DAICEL CORPORATION

Inventor： Akihiro SHIBAMOTO ,  Takashi YOSHIMURA

IPC: G02B1/14 ,  C09D183/06 ,  C09D5/00 ,  G02C7/12

Abstract: The present invention aims at providing a plastic lens having excellent heat resistance and durability in which generation of cracks is suppressed even in high-temperature environments or when a mechanical stress being applied, and has excellent surface hardness and scratch resistance. The present invention provides a plastic lens containing a plastic lens substrate, a layer formed on at least one surface of the plastic lens substrate, and a vapor deposition coated film formed on at least one surface of the hard coating layer, the hard coating layer being a cured product of a curable composition containing a polyorganosilsesquioxane, the polyorganosilsesquioxane containing a constituent unit represented by Formula (1), a constituent unit represented by Formula (I), hard coating a constituent unit represented by (II), and a constituent unit represented by Formula (4); wherein a molar ratio of the constituent unit represented by Formula (I) and the constituent unit (II) represented by Formula (II) is 5 or greater and 500 or less, a ratio of the constituent unit represented by Formula (1) and the constituent unit represented by Formula (4) relative to the total amount (100 mol %) of siloxane constituent units is from 55 to 100 mol %; a number average molecular weight is from 1000 to 50000; and a molecular weight dispersity (a weight average molecular weight/a number average molecular weight) is from 1.0 to 4.0. [Chem. 1] [R1SiO3/2]  (1) [Chem. 2] [RaSiO3/2]  (I) [Chem. 3] [RhSiO2/2(ORc)]  (II) [Chem. 4] [R1SiO2/2(ORc)]  (4)

公开(公告)号：US20200071579A1

公开(公告)日：2020-03-05

申请号：US16614023

申请日：2018-05-16

Applicant: DAICEL CORPORATION

Inventor： Akihiro SHIBAMOTO ,  Shinji MAETANI ,  Kazuhiro NISHIDA ,  Daisuke USA ,  Akira YAMAKAWA ,  Naoko TSUJI

IPC: C09J183/06 ,  C09J5/06 ,  C09J11/06 ,  C08G77/04 ,  C08K5/00 ,  B32B7/12

Abstract: Provided is an adhesive composition that can be cured at low temperatures and can form a cured product having excellent insulating property, heat resistance, and adhesiveness. The adhesive composition according to the present invention includes polyorganosilsesquioxane (A) including a constituent unit represented by Formula (1) below, R1SiO3/2(1), in Formula (1), R1 represents a group containing a radically polymerizable group. In the polyorganosilsesquioxane (A), a proportion of the constituent unit represented by Formula (1) and a constituent unit represented by the following Formula (2), relative to a total amount (100 mol %) of siloxane constituent units, is from 55 to 100 mol %, R1SiO2/2(OR2) (2), in Formula (2), R1 is as defined above, and R2 is a hydrogen atom or an alkyl group having from 1 to 4 carbons. The polyorganosilsesquioxane (A) has a number average molecular weight from 1500 to 50000 and a molecular weight dispersity (weight average molecular weight/number average molecular weight) from 1.0 to 4.0.

公开(公告)号：US20180163049A1

公开(公告)日：2018-06-14

申请号：US15736078

申请日：2016-06-07

Applicant: DAICEL CORPORATION

Inventor： Naoko TSUJI ,  Hiroki TANAKA ,  Akira YAMAKAWA ,  Akihiro SHIBAMOTO ,  Nobuhiko HARADA

IPC: C08L83/06 ,  C08G59/32 ,  C09J7/35 ,  C09J11/04 ,  C09J183/06 ,  B32B7/12 ,  B32B27/28 ,  B32B37/14

CPC classification number: C08L83/06 ,  B32B7/12 ,  B32B27/283 ,  B32B37/142 ,  B32B2037/1253 ,  B32B2250/03 ,  B32B2305/72 ,  B32B2383/00 ,  C08G59/32 ,  C08G77/045 ,  C08G77/14 ,  C08L2205/025 ,  C09J7/20 ,  C09J7/35 ,  C09J11/04 ,  C09J11/06 ,  C09J183/06 ,  C08L83/00

Abstract: Provided is a curable composition having excellent film-formability and can be cured at low temperatures to form a cured product that has heat resistance, cracking resistance, and adhesiveness and adhesion to an adherend at excellent levels. The curable composition according to the present invention is a composition containing polyorganosilsesquioxanes (A). The polyorganosilsesquioxanes (A) include (a-1) an epoxy-containing polyorganosilsesquioxane having a weight-average molecular weight of 3000 or more, and (a-2) an epoxy-containing polyorganosilsesquioxane having a weight-average molecular weight of 2500 or less. The polyorganosilsesquioxanes (A) contain the components (a-1) and (a-2) in a total content of 50 weight percent or more of the total amount of the polyorganosilsesquioxanes (A). The polyorganosilsesquioxanes (A) have a ratio in content (weight ratio) of (a-1) to (a-2) of from 10:90 to 70:30.