公开(公告)号：US20240200265A1

公开(公告)日：2024-06-20

申请号：US18287284

申请日：2021-03-11

Applicant: DOW SILICONES CORPORATION ,  DOW GLOBAL TECHNOLOGIES LLC

Inventor： Yusheng CHEN ,  Lili SHI ,  Tingting CHEN ,  Rui WANG ,  Hongyu CHENG ,  Yanli FENG ,  Qing SHI ,  Linfei WANG

IPC: D06N3/14 ,  C09D7/20 ,  C09D7/62 ,  C09D183/04 ,  D06N3/00 ,  D06N3/12 ,  D06N3/18

CPC classification number: D06N3/144 ,  C09D7/20 ,  C09D7/62 ,  C09D183/04 ,  D06N3/0045 ,  D06N3/0063 ,  D06N3/007 ,  D06N3/0095 ,  D06N3/128 ,  D06N3/183

Abstract: A silicone/polyurethane synthetic leather topcoat composition is disclosed. The silicone/polyurethane synthetic leather topcoat composition is a hydrosilylation curable silicone elastomer composition which provides good adhesion to polyurethane and is used to provide a topcoat for a silicone/polyurethane composite synthetic leather material. The topcoat is the cured product of the composition. Also disclosed are methods of making the topcoat and the silicone/polyurethane composite synthetic leather material as well as uses of the silicone/polyurethane composite synthetic leather material.

公开(公告)号：US20210002526A1

公开(公告)日：2021-01-07

申请号：US16978229

申请日：2018-03-08

Applicant: DOW SILICONES CORPORATION

Inventor： Rui WANG ,  Shaohui WANG ,  Yusheng CHEN

IPC: C09J151/08 ,  C09J7/25

Abstract: Provided herein are self-adhesive curable silicone rubber compositions. When cured, the curable silicone rubber compositions generally achieve significant adhesion to plastic/thermoplastic/resin material substrates, and especially adhesion to polycarbonate materials. Also provided herein is a process for preparing plastic/thermoplastic/resin materials, especially polycarbonate/cured silicone elastomer materials, and articles and composite parts made from such curable silicone rubber compositions. The silicone rubber compositions generally comprise one or more organopolysiloxanes containing at least 2 alkenyl groups per molecule and having a viscosity of greater than 1,000,000 mPa·s at 25° C.; an organopolysiloxane containing at least 2 silicon-bonded hydrogen atoms per molecule; a platinum group catalyst; reinforcing and/or non-reinforcing fillers; and one or more rubber modified epoxy resins.

公开(公告)号：US20210380807A1

公开(公告)日：2021-12-09

申请号：US17280444

申请日：2019-09-27

Applicant: DOW SILICONES CORPORATION

Inventor： Yusheng CHEN ,  Peng WANG ,  Shaohui WANG ,  Rui WANG ,  Jianjun GAO ,  Chunming ZHANG

IPC: C08L83/04 ,  H01B1/18

Abstract: Addition curing electrically conductive liquid silicone rubber (LSR) compositions, their methods of preparation, and cured elastomeric products made from the compositions are provided. The compositions are cured to form elastomeric products suitable for high voltage applications such as cable joints, cable terminal applications, cable accessories and connectors. In general, the composition comprises: (a) at least one polydiorganosiloxane having at least two alkenyl groups per molecule: (b) at least one organohydrogenpolysiloxane: (c) at least one reinforcing filler: (d) at least one hydrosilylation catalyst: and (e) an electrically conductive filler. Component (e) comprises: (i) extra conductive carbon black: and (ii) single walled carbon nanotubes.

公开(公告)号：US20210087360A1

公开(公告)日：2021-03-25

申请号：US16634828

申请日：2018-07-27

Applicant: DOW SILICONES CORPORATION

Inventor： Yusheng CHEN ,  Shaohui WANG ,  Rui WANG ,  Mark D. FISHER

IPC: C08K5/55 ,  C08L83/04 ,  C08G77/16 ,  C08G77/18 ,  C08G77/20 ,  C08L27/18 ,  C08K5/14

Abstract: A handling additive composition is disclosed. The composition is useful to improve handling of silicone elastomers prepared from polydiorganosiloxanes and silicone elastomers made therewith.

公开(公告)号：US20220064853A1

公开(公告)日：2022-03-03

申请号：US17610739

申请日：2020-04-09

Applicant: DOW SILICONES CORPORATION ,  DOW GLOBAL TECHNOLOGIES LLC

Inventor： Yusheng CHEN ,  Lili SHI ,  Zhihai ZHANG ,  Rui WANG ,  Yi GUO ,  Wengang SONG ,  Linfei WANG

IPC: D06N3/12 ,  D06N3/00 ,  C09D183/04 ,  C09D7/20

Abstract: The present disclosure relates to a silicone elastomeric coating composition for synthetic leather, particularly silicone-based synthetic leather, a silicone elastomeric coating (e.g., a topcoat) formed as a reaction product of the cure of the coating composition, methods of making the topcoat and synthetic leather utilizing the same and uses of synthetic leather products. The topcoat is designed to provide synthetic leather with an improved abrasion and scratch resistant topcoat.

公开(公告)号：US20240279468A1

公开(公告)日：2024-08-22

申请号：US18568765

申请日：2021-06-11

Applicant: DOW SILICONES CORPORATION

Inventor： Yusheng CHEN ,  Fengyi SU ,  Rui WANG ,  Peng WANG ,  Yi GUO ,  Chun Ming ZHANG

IPC: C08L83/04 ,  C09J183/04 ,  C09K3/10

CPC classification number: C08L83/04 ,  C09J183/04 ,  C09K3/1018

Abstract: This disclosure relates to curable silicone rubber compositions suitable for use in the manufacture of cured-in-place gaskets (CIPGs), silicone elastomers resulting from the cure of such compositions and methods for making CIPGs from such compositions. The inclusion of a compound having at least two trialkoxysilyl groups, at least two dialkoxyalkylsilyl groups or a mixture of two or more trialkoxysilyl groups, and dialkoxyalkylsilyl groups per molecule selected from: (i) (R10)z (R11)3-z Si—(W)—Si (R11)3-z (R10)z; or (ii) 1,3,5-tris[3-((R10)z(R11)3-z Si)-D]-1,3,5-triazine-2,4,6(1H,3H,5H)-trione where each R11 is independently an alkoxy group having 1 to 6 carbons; each R10 is independently R11 or an alkyl group having 1 to 6 carbons, z is 0 or 1; W is a linear or branched alkylene having 1 to 12 carbons; and D is an alkylene group having from 1 to 6 carbons; provides CIPGs which show both a good adhesion to aluminium and a good compression set.

公开(公告)号：US20220356370A1

公开(公告)日：2022-11-10

申请号：US17631014

申请日：2019-07-30

Applicant: DOW SILICONES CORPORATION

Inventor： Rui WANG ,  Shaohui WANG ,  Yusheng CHEN

IPC: C09D183/10 ,  C09D7/63 ,  C08K3/36 ,  C08K5/56 ,  C09D7/61 ,  D06M15/643

Abstract: A hydrosilylation curable textile coating composition comprises: (a) a linear organopolysiloxane polymer having at least two alkenyl and/or alkynyl groups per molecule; (b) a reinforcing filler comprising at least one of fumed silica, precipitated silica, or calcium carbonate; (c) a linear trimethyl terminated polydimethyl methylhydrogen siloxane containing at least two silicon-bonded hydrogen groups per molecule; Ld) a hydrosilylation cure catalyst; (e) an organosilicon resin; and (f) an adhesion promoter comprising a mixture and/or reaction product of: (i) one or more alkoxysilanes having an epoxy group in the molecule; (ii) a linear organopolysiloxane oligomer containing at least one alkenyl group and at least one hydroxy or alkoxy group per molecule; and (iii) an organometallic condensation reaction catalyst comprising organoaluminum or organozirconium compounds. Air bags and air bag fabrics can be coated with the hydrosilylation curable textile coating composition, and the resulting air bags and fabrics generally have enhanced scrub resistance.

公开(公告)号：US20220169856A1

公开(公告)日：2022-06-02

申请号：US17442670

申请日：2019-03-29

Applicant: DOW SILICONES CORPORATION

Inventor： Shaohui WANG ,  Yusheng CHEN ,  Rui WANG ,  Hans Peter WOLF ,  Mark D. FISHER

IPC: C08L83/04 ,  C08G77/08 ,  C08G77/12 ,  C08G77/20 ,  C08G77/24 ,  C08K3/36 ,  C08K9/00 ,  C08K5/14 ,  C08L27/18

Abstract: Provided herein is a self-lubricating silicone elastomer composition and a self-lubricating, elastomeric material made therefrom which has a low coefficient of friction and avoids the need for “self-bleeding”. The self-lubricating silicone elastomer composition comprises: (i) 50 to 75% by weight of one or more polydiorganosiloxane polymer(s) containing from 0.01 to 0.1% by weight of alkenyl and/or alkynyl content; (ii) 3 to 15% by weight of a polydiorganosiloxane polymer having ≥0.5% by weight of alkenyl or alkynyl content; (iii) 10 to 35% by weight of reinforcing filler; and either or both of (iv) a peroxide catalyst; or (v) a hydrosilylation catalyst package.

公开(公告)号：US20250019497A1

公开(公告)日：2025-01-16

申请号：US18687324

申请日：2022-08-25

Applicant: DOW SILICONES CORPORATION

Inventor： Rui WANG ,  Yan ZHENG ,  Yusheng CHEN ,  Zhihai ZHANG ,  Yi GUO

IPC: C08G77/04 ,  C08G77/00 ,  C08G77/08 ,  C08K3/22 ,  C08K3/28 ,  C08K3/38 ,  C08K5/05 ,  C08K5/5419 ,  C08K9/06

Abstract: Provided are hydrosilylation (addition) curable thermally conductive silicone rubber compositions containing high levels (e.g., greater than 80 wt. %) of thermally conductive fillers, a method for their preparation, and cured silicone-based products made from the compositions which have a thermal conductivity of at least 1.5 W/mK whilst retaining adequate physical properties such as tensile strength and elasticity. The use of such materials is also disclosed.

公开(公告)号：US20230085886A1

公开(公告)日：2023-03-23

申请号：US17799772

申请日：2020-02-17

Applicant: DOW SILICONES CORPORATION ,  DOW GLOBAL TECHNOLOGIES LLC

Inventor： Yusheng CHEN ,  Xiangyang TAI ,  Peng WANG ,  Yi GUO ,  Rui WANG ,  Yi ZHANG ,  Qing SHI

IPC: H01M10/658 ,  H01M10/0525 ,  H01B3/46

Abstract: Disclosed is an article adapted to receive multiple battery cells, such as a battery module, which provides thermal insulation between adjacent battery cells using thermally insulating layers comprising a ceramifiable elastomeric silicone material using calcium silicate fillers such as wollastonite. There is also provided, the use of said ceramifiable elastomeric silicone material as a means of delaying and/or preventing thermal runaway in such an article. Typically, the battery cells for which this article is designed are lithium-ion battery cells.