公开(公告)号：US20220363881A1

公开(公告)日：2022-11-17

申请号：US17763140

申请日：2020-09-24

Applicant: IDEMITSU KOSAN CO.,LTD.

Inventor： Yutaka OBATA ,  Yasunari OKADA ,  Tomoaki TAKEBE

IPC: C08L23/22 ,  C08L33/10 ,  B29C45/53 ,  B29C45/73 ,  B29C45/27

Abstract: A thermosetting composition comprising the following component (A) and component (B), and having a viscosity of 0.1 Pa·s or higher and 100 Pa·s or lower at a shear rate of 10 s−1 at 25° C. measured in accordance with JIS K7117-2. (A) polybutadiene having a structural unit represented by the following formula (1A) and a structural unit represented by the following formula (1B), wherein the terminal group comprises a methacryloyl group or an acryloyl group (B) a thermal polymerization initiator

公开(公告)号：US20240199782A1

公开(公告)日：2024-06-20

申请号：US18285823

申请日：2022-04-06

Applicant: IDEMITSU KOSAN CO.,LTD.

Inventor： Yutaka OBATA ,  Yasunari OKADA ,  Katsuki ITO ,  Kazuki WATANABE

IPC: C08F222/10 ,  B29C45/00 ,  B29C45/02 ,  B29C45/28 ,  B29K35/00 ,  C08K3/22

CPC classification number: C08F222/1061 ,  B29C45/0001 ,  B29C45/02 ,  B29C45/28 ,  C08F222/102 ,  C08K3/22 ,  B29K2035/00 ,  C08K2003/2217 ,  C08K2003/2227 ,  C08K2201/005

Abstract: A thermosetting composition comprising: (A) a di(meth)acrylate compound having a structural unit represented by the formula (A1), (B) a thermal polymerization initiator, and (E) an inorganic filler.

公开(公告)号：US20240368322A1

公开(公告)日：2024-11-07

申请号：US18285825

申请日：2022-04-06

Applicant: IDEMITSU KOSAN CO.,LTD.

Inventor： Yutaka OBATA ,  Yasunari OKADA ,  Katsuki ITO ,  Kazuki WATANABE

IPC: C08F222/10 ,  B29C45/00 ,  B29C45/58 ,  B29K33/00 ,  B29K305/02 ,  B29L31/34 ,  C08F220/18 ,  C08K3/22 ,  C08K5/14 ,  C08K5/521

Abstract: A thermosetting composition comprising: (A) a compound represented by the formula (A2) or (A3), (B) a thermal polymerization initiator, and (E) an inorganic filler.

公开(公告)号：US20200247019A1

公开(公告)日：2020-08-06

申请号：US16857215

申请日：2020-04-24

Applicant: IDEMITSU KOSAN CO., LTD.

Inventor： Yutaka OBATA ,  Takeshi IWASAKI ,  Daichi OGAWA ,  Haruhiko MORI

IPC: B29C39/26 ,  H01L33/60 ,  C08L33/04 ,  B29C45/02 ,  C08F20/10 ,  C08F292/00 ,  C08F2/44 ,  B29C45/14 ,  B29C45/54 ,  C08K3/36 ,  C08K3/013 ,  B29C39/00 ,  C08K9/06 ,  H01L33/48 ,  H01L33/62

Abstract: A thermosetting composition comprising: (A) a (meth)acrylate compound having a viscosity at 25° C. of 1 to 300 mPa·s with which a substituted or unsubstituted aliphatic hydrocarbon group including 6 or more carbon atoms is ester-bonded; (B) spherical silica; and (C) a white pigment, and having a shear viscosity at 25° C. and 10 s−1 of 1 Pa·s or more and 500 Pa·s or less and a shear velocity at 25° C. and 100 s−1 of 0.3 Pa·s or more and 100 Pa·s or less:

公开(公告)号：US20240227256A1

公开(公告)日：2024-07-11

申请号：US18285821

申请日：2022-04-06

Applicant: IDEMITSU KOSAN CO.,LTD.

Inventor： Yutaka OBATA ,  Yasunari OKADA ,  Katsuki ITO ,  Kazuki WATANABE

IPC: B29C45/00 ,  B29C45/02 ,  B29K75/00 ,  B29K85/00

CPC classification number: B29C45/0001 ,  B29C45/02 ,  B29C2945/76006 ,  B29K2075/00 ,  B29K2085/00

Abstract: A thermosetting composition for injection molding comprising: (A) a compound represented by the following formula (A2) or (A3), and (B) a thermal polymerization initiator; wherein the composition further comprises no (G) titanium oxide or comprises (G) titanium oxide, when the composition comprises the component (G), the content of the component (G) is 5 parts by mass or less, based on a total of 100 parts by mass of components other than the component (B) and the component (C); and the composition comprises no polybutadiene di(meth)acrylate:

公开(公告)号：US20210171683A1

公开(公告)日：2021-06-10

申请号：US15734403

申请日：2019-06-04

Applicant: IDEMITSU KOSAN CO.,LTD.

Inventor： Yutaka OBATA ,  Katsuki ITO ,  Haruhiko MORI

IPC: C08F220/30 ,  C08F220/14 ,  C08K9/06 ,  C08K7/18 ,  C08K3/36 ,  C08K5/541 ,  C08F290/06

Abstract: A thermosetting composition comprising the following components (A-1), (A-2), (B), and (C), and having the viscosity of 5 to 200 Pa·s at a shear rate of 10 s−1 at 25° C., and having the viscosity of 1 to 50 Pa·s at a shear rate of 100 s−1 at 25° C., as measured by JIS K7117-2: (A-1) an acrylate compound or a methacrylate compound in which a substituted or unsubstituted alicyclic hydrocarbon group including 6 or more ring carbon atoms is ester-bonded, (A-2) a compound represented by the following formula (I-1), (B) a spherical silica, (C) a white pigment.

公开(公告)号：US20150322233A1

公开(公告)日：2015-11-12

申请号：US14804482

申请日：2015-07-21

Applicant: IDEMITSU KOSAN CO. LTD.

Inventor： Takeshi IWASAKI ,  Daichi OGAWA ,  Yutaka OBATA ,  Tomoaki TAKEBE

IPC: C08K3/22 ,  H01L33/60

Abstract: Provided is a (meth)acrylate composition containing: (A) at least one (meth)acrylate compound selected from the group consisting of a (meth)acrylate-modified silicone oil, a (meth)acrylate having a long-chain aliphatic hydrocarbon group, and a polyalkylene glycol (meth)acrylate having number-average molecular weight of not less than 400; (B) a (meth)acrylate compound to which an alicyclic hydrocarbon group having 6 or more carbon atoms is ester-linked; (C) (meth)acrylic acid or a (meth)acrylate compound having a polar group; (D) a radical polymerization initiator; and (E) a white pigment.

Abstract translation: 本发明提供一种（甲基）丙烯酸酯组合物，其含有：（A）至少一种选自（甲基）丙烯酸酯改性的硅油，具有长链脂肪族烃基的（甲基）丙烯酸酯）的（甲基）丙烯酸酯化合物 ，和数均分子量不小于400的聚亚烷基二醇（甲基）丙烯酸酯; （B）具有6个或更多个碳原子的脂环族烃基被酯连接的（甲基）丙烯酸酯化合物; （C）（甲基）丙烯酸或具有极性基团的（甲基）丙烯酸酯化合物; （D）自由基聚合引发剂; 和（E）白色颜料。

公开(公告)号：US20240208116A1

公开(公告)日：2024-06-27

申请号：US18285817

申请日：2022-04-06

Applicant: IDEMITSU KOSAN CO.,LTD.

Inventor： Yutaka OBATA ,  Yasunari OKADA ,  Katsuki ITO ,  Kazuki WATANABE

IPC: B29C45/00 ,  B29C45/02 ,  B29C45/76 ,  B29K31/00

CPC classification number: B29C45/0001 ,  B29C45/02 ,  B29C45/76 ,  B29C2945/76006 ,  B29C2945/7604 ,  B29K2031/00

Abstract: A thermosetting composition for injection molding comprising: (A) a di(meth)acrylate compound having structural units represented by the formulas (A1), and (B) a thermal polymerization initiator.

公开(公告)号：US20200157257A1

公开(公告)日：2020-05-21

申请号：US16626812

申请日：2018-06-29

Applicant: IDEMITSU KOSAN CO., LTD.

Inventor： Yutaka OBATA ,  Haruhiko MORI

IPC: C08F20/18 ,  C08K3/04 ,  C08K3/36 ,  B29C45/00 ,  C08K7/18 ,  B29C45/02 ,  C08K3/22 ,  C08K9/06 ,  B29K105/00 ,  B29K33/04 ,  B29K507/04 ,  B29K509/08

Abstract: The present invention provides a thermosetting material, which contains the following components (A) to (C) and which, when measured with a rotational viscometer at a constant shear rate (JIS K7117-2:1999), exhibits a viscosity at 25° C. and 10 s1 of 5 Pa·s or more and 200 Pa·s or less and, when measured with a rotational viscometer at a constant shear rate in the same manner as above, exhibits a viscosity at 25° C. and a shear rate of 100 s1 of 0.3 Pa·s or more and 50 Pa·s or less. (A): a (meth) acrylate compound in which a substituted or unsubstituted alicyclic hydrocarbon group having 6 or more carbon atoms is ester-bonded, and which, when measured with a rotational viscometer at a constant shear rate in the same manner as above, exhibits a viscosity of 5 to 300 mPa·s as a viscosity measured at 25° C. and 10 to 100 s−1; (B): spherical silica; and (C): a black pigment.

公开(公告)号：US20170203476A1

公开(公告)日：2017-07-20

申请号：US15321517

申请日：2015-06-22

Applicant: IDEMITSU KOSAN CO., LTD.

Inventor： Yutaka OBATA ,  Takeshi IWASAKI ,  Daichi OGAWA ,  Haruhiko MORI

IPC: B29C39/26 ,  C08K3/36 ,  H01L33/62 ,  C08K9/06 ,  H01L33/60 ,  H01L33/48 ,  B29C39/00 ,  C08K3/00

Abstract: A thermosetting composition comprising: (A) a (meth)acrylate compound having a viscosity at 25° C. of 1 to 300 mPa·s with which a substituted or unsubstituted aliphatic hydrocarbon group including 6 or more carbon atoms is ester-bonded; (B) spherical silica; and (C) a white pigment, and having a shear viscosity at 25° C. and 10 s−1 of 1 Pa·s or more and 500 Pa·s or less and a shear velocity at 25° C. and 100 s−1 of 0.3 Pa·s or more and 100 Pas or less: