公开(公告)号：US11383488B2

公开(公告)日：2022-07-12

申请号：US17059721

申请日：2019-05-30

Applicant: OSAKA UNIVERSITY

Inventor： Yuji Ohkubo ,  Kazuya Yamamura

IPC: B32B7/04 ,  B32B25/08 ,  B32B25/20 ,  B32B27/30

Abstract: A joined body of a resin body containing a fluorine-based resin and a rubber body containing a vulcanized silicone rubber. It is preferable that the vulcanized silicone rubber contains a dimethylsiloxane unit. It is found that, by performing predetermined plasma treatment on the surface of a rubber body containing a vulcanized silicone rubber, the rubber body adheres to a resin body containing a fluorine-based resin.

公开(公告)号：US10730253B2

公开(公告)日：2020-08-04

申请号：US15508576

申请日：2015-09-04

Applicant: OSAKA UNIVERSITY

Inventor： Kazuya Yamamura ,  Yuji Ohkubo ,  Kento Ishihara ,  Masafumi Shibahara ,  Asahiro Nagatani ,  Koji Honda

IPC: B29C71/04 ,  B32B27/30 ,  C08J5/12 ,  C08J7/00 ,  C08J7/12 ,  B29C37/00 ,  B29C65/48 ,  B29K27/18

Abstract: An object of the present invention is to provide a process for producing a surface-modified molded article, whereby surface layer strength of a molded article can be enhanced, and a molded article containing an organic polymer compound with low adhesive property, such as a fluororesin, can be bonded to an adherend without the use of an adhesive, and whereby a treatment step or an apparatus in an atmospheric-pressure plasma treatment are not complicated, and to provide a process for producing a composite of the surface-modified molded article and an adherend. The present invention is a process for producing a surface-modified molded article wherein a surface of the molded article containing an organic polymer compound is subjected to an atmospheric pressure plasma treatment to introduce a peroxide radical with adjusting the surface temperature of the molded article to (melting point of the organic polymer compound −120° C. or higher.

公开(公告)号：US11795317B2

公开(公告)日：2023-10-24

申请号：US17988988

申请日：2022-11-17

Applicant: OSAKA UNIVERSITY ,  KABUSHIKI KAISHA TOSHIBA

Inventor： Yuji Ohkubo ,  Kazuya Yamamura ,  Erika Miyake ,  Izuru Komatsu

IPC: C08L27/18 ,  B32B27/08 ,  B32B27/20 ,  B32B27/28 ,  B32B27/32 ,  B32B33/00

CPC classification number: C08L27/18 ,  B32B27/08 ,  B32B27/20 ,  B32B27/283 ,  B32B27/322 ,  B32B33/00 ,  B32B2250/02 ,  B32B2250/24 ,  B32B2264/1021 ,  B32B2305/30 ,  B32B2307/70 ,  B32B2310/14 ,  B32B2327/18 ,  B32B2383/00

Abstract: Provided is a laminated body that has high adhesiveness between a resin body containing a fluorine-based resin and a silicone gel and that can be attached to and detached from an adherend for use. A laminated body comprising: a resin body; and a gel body, wherein the resin body comprises a fluorine-based resin, and the gel body comprises a silicone gel and lipophilic silica particles.

公开(公告)号：US12163028B2

公开(公告)日：2024-12-10

申请号：US17050172

申请日：2019-04-26

Applicant: BRIDGESTONE CORPORATION ,  OSAKA UNIVERSITY

Inventor： Hiroyuki Fudemoto ,  Atsushi Fukushima ,  Masahiro Homma ,  Yuji Ohkubo ,  Kazuya Yamamura

IPC: C08L9/06 ,  B60C1/00 ,  B60C15/04

Abstract: A resin-rubber composite includes: a resin member that has a treated surface, to which a surface treatment by means of a plasma treatment has been applied; and a rubber member that is disposed in contact with the treated surface of the resin member and includes a rubber, a filler having a silanol group, and a silane coupling agent, with a filler content of from 30 phr to 100 phr with respect to 100 phr of the rubber, and a silane coupling agent content of from 2 parts by mass to 15 parts by mass with respect to 100 parts by mass of the filler.

公开(公告)号：US20160362791A1

公开(公告)日：2016-12-15

申请号：US15121524

申请日：2015-02-24

Applicant: OSAKA UNIVERSITY ,  NOF CORPORATION

Inventor： Kazuya Yamamura ,  Yuji Ohkubo ,  Haruka Sato ,  Masaya Hikita

IPC: C23C18/04 ,  H01J37/32 ,  C09D11/52 ,  C09D7/12 ,  C09D151/00 ,  C09J11/06 ,  C09J5/00 ,  C09J151/08 ,  C09J151/00 ,  C09D151/08 ,  C23C18/08 ,  C09J9/02

CPC classification number: C23C18/04 ,  C08J7/045 ,  C08J7/123 ,  C08J2327/18 ,  C08J2345/00 ,  C08J2379/08 ,  C08J2433/14 ,  C09D7/63 ,  C09D11/52 ,  C09D151/003 ,  C09D151/08 ,  C09J5/00 ,  C09J9/02 ,  C09J11/06 ,  C09J151/003 ,  C09J151/08 ,  C09J2427/006 ,  C09J2479/086 ,  C23C18/08 ,  H01J37/32055 ,  H01J2237/3328

Abstract: A method includes:generating a peroxide radical on a dielectric substrate surface by treating the dielectric substrate surface with atmospheric pressure plasma using a rare gas; fixing a functional group forming a coordinate bond with a silver ion, by reacting a grafting agent; and applying a silver-containing composition to the substrate surface, followed by heating and curing the silver-containing composition, to thereby form a silver thin film layer, the silver-containing composition containing a silver compound (A) represented by Formula (1) and an amine compound (B) represented by Formula (2), the silver compound (A) being contained in an amount of 10 to 50% by mass, the amine compound (B) being contained in an amount of 50 to 90% by mass, relative to a total amount of 100% by mass of the silver compound (A) and the amine compound (B).The method enables to form a metal film having high adhesiveness even on the surface of a fluorine resin, which is suitable as a dielectric substrate due to its property of avoidance of delay in signal transmission speed or increase in power consumption, but has extremely low adhesiveness. (R1; a hydrogen atom, —(CY2)a-CH3, or —((CH2)b-O—CHZ)c-CH3; R2: —(CY2)d-CH3 or —((CH2)e-O—CHZ)f-CH3; Y: a hydrogen atom or —(CH2)g-CH3; Z: a hydrogen atom or —(CH2)h-CH3; a: an integer of 0 to 8; b: an integer of 1 to 4; c: an integer of 1 to 3; d: an integer of 1 to 8; e: an integer of 1 to 4; f: an integer of 1 to 3; g: an integer of 1 to 3; h: an integer of 1 or 2)

Abstract translation: （R1;氢原子， - （CY2）a-CH3或 - （（CH2）bO-CHZ）c-CH3; R2： - （CY2）d-CH3或 - （（CH2）eO-CHZ） CH 3; Y：氢原子或 - （CH 2）g -CH 3; Z：氢原子或 - （CH 2）h -CH 3; a：0〜8的整数; b：1〜4的整数; c： 1〜3的整数; d表示1〜8的整数，e表示1〜4的整数，f表示1〜3的整数，g表示1〜3的整数，h表示1以上的整数， 2）