公开(公告)号：US12139563B2

公开(公告)日：2024-11-12

申请号：US17421149

申请日：2019-11-26

Applicant: SHOWA DENKO K.K.

Inventor： Masahiro Ogawa ,  Tomoaki Murata ,  Noriko Ogawa ,  Masanao Kamijo

IPC: C08F136/08 ,  B29C41/00 ,  C08K3/22 ,  C08K5/00 ,  C08L11/02 ,  C08L93/04 ,  B29L31/48

Abstract: An isoprene-based polymer latex composition includes a chloroprene polymer latex (A) and an isoprene polymer latex (B), in which the chloroprene polymer has a z-average particle size of 180 nm or greater and smaller than 300 nm, and a tetrahydrofuran-insoluble fraction of 80 to 99% by mass; the chloroprene polymer latex (A) is (1) a copolymer latex of chloroprene (A 1) and 2,3-dichloro-1,3-butadiene (A-2-1), or (2) a copolymer latex of the above (A-1) and (A-2 1), and another monomer (A-2-2); and the copolymer is obtained by copolymerization in which the ratio of 2,3-dichloro-1,3-butadiene (A-2-1) is 5.0 to 30.0% by mass relative to the total amount of the monomer components chloroprene (A-1) and 2,3-dichloro-1,3-butadiene (A-2-1) of 100% by mass. The isoprene-based polymer latex composition's quality is maintained, and the properties after cross-linking of a molded product obtained by dipping a dipping former into the composition multiple times do not deteriorate.

公开(公告)号：US12071545B2

公开(公告)日：2024-08-27

申请号：US16768400

申请日：2018-11-28

Applicant: COMPAGNIE GENERALE DES ETABLISSEMENTS MICHELIN

Inventor： Xavier Deparis ,  Salvatore Pagano

IPC: C08L9/06 ,  B60C1/00 ,  C08L7/00 ,  C08K3/04 ,  C08K3/06 ,  C08K5/21 ,  C08K5/44 ,  C08K5/47 ,  C08L61/06 ,  C08L63/00 ,  C08L93/04

CPC classification number: C08L9/06 ,  B60C1/0016 ,  C08L7/00 ,  C08K3/04 ,  C08K3/06 ,  C08K5/21 ,  C08K5/44 ,  C08K5/47 ,  C08L61/06 ,  C08L63/00 ,  C08L93/04

Abstract: A high-modulus rubber composition is based on at least a diene elastomer, a reinforcing filler, from 1 to 45 phr of reinforcing resin, from 1 to 10 phr of sulfur, and from 0.5 to 15 phr of vulcanization accelerator having a vulcanization initiation time, referred to as “t0”, of less than 3 minutes, said composition comprising no vulcanization accelerator having a “t0” of greater than or equal to 3 minutes or comprising less than 2 phr thereof.

公开(公告)号：US11773241B2

公开(公告)日：2023-10-03

申请号：US17248250

申请日：2021-01-15

Applicant: Kraton Polymers LLC ,  Polymer Valley Chemical, Inc.

Inventor： Jeremie Pichereau ,  Wolfgang Pille-Wolf ,  Joshua Guilliams

IPC: C08L9/06 ,  C08L23/22 ,  C08K5/00 ,  B60C1/00 ,  C08K3/36 ,  C08K9/04 ,  C01B33/18 ,  C08L25/06 ,  C08L93/04 ,  C08L47/00

CPC classification number: C08L9/06 ,  B60C1/0016 ,  C08K3/36 ,  C08K5/0016 ,  C08K9/04 ,  C08L23/22 ,  C01B33/18 ,  C08K2201/005 ,  C08K2201/006 ,  C08L25/06 ,  C08L47/00 ,  C08L93/04 ,  C08L2205/03

Abstract: A tire composition is disclosed. The composition comprises a rubber component and based on 100 parts by weight (phr) of the rubber component, 50-200 phr of covered silica, with the covered silica comprising silica core and a first resin covering the silica core, wherein the first resin is not chemically bonded to the silica core. The silica core is covered with the first resin by mixing a slurry comprising silica core with a mixture containing the first resin as a solution, an aqueous dispersion; or a solution by dissolving the first resin in a solvent.

公开(公告)号：US11723430B2

公开(公告)日：2023-08-15

申请号：US17024895

申请日：2020-09-18

Applicant: The Goodyear Tire & Rubber Company

Inventor： Paul Harry Sandstrom

IPC: A43B13/04 ,  A43B13/12 ,  A43B13/18 ,  C08L9/06 ,  C08L91/00 ,  C08L93/04 ,  C08L9/02 ,  C08K3/36 ,  C08K3/04 ,  C08K11/00 ,  C08K5/372 ,  C08K5/548

CPC classification number: A43B13/04 ,  A43B13/122 ,  A43B13/187 ,  C08K3/04 ,  C08K3/36 ,  C08K5/372 ,  C08K5/548 ,  C08K11/005 ,  C08L9/02 ,  C08L9/06 ,  C08L91/00 ,  C08L93/04

Abstract: A shoe comprising an outsole, where the outsole is comprised of a rubber composition comprised of (A) diene-based elastomer comprising: (1) from about 20 to about 45 phr of high Tg SSBR pre-extended with vegetable oil, wherein said SSBR has a Tg in a range of from about −20° C. to about +10° C. and a bound styrene content in a range of from about 25 to about 50 percent and a vinyl 1,2-content in a range of from about 10 to about 80 percent based on butadiene content, (2) from 55 to about 80 phr of at least one additional diene-based elastomer comprising of at least one of polybutadiene, cis 1,4-polyisoprene rubber, and acrylonitrile-butadiene rubber, and (B) about 20 to about 70 phr of reinforcing filler comprised of a combination of carbon black and silica where the filler is comprised of from about 50 to about 100 weight percent silica.

公开(公告)号：US20230134341A1

公开(公告)日：2023-05-04

申请号：US18091345

申请日：2022-12-29

Applicant: GreenMantra Recycling Technologies Ltd.

Inventor： Domenic Di Mondo ,  Irina Fenton

IPC: C08L23/12 ,  C08L23/06 ,  C08L25/08 ,  C08L31/04 ,  C08L93/04 ,  C09J11/08

Abstract: A hot-melt formulation can utilize a depolymerized polymeric material such as a wax, styrenic polymer, and/or styrenic oligomer, wherein the wax, styrenic polymer, and/or styrenic oligomer is created via depolymerization of a polymer. In some embodiments, the polymer is polypropylene. In some embodiments, the polymer is polyethylene. In some embodiments, the polymer is polystyrene. In some embodiments, the hot-melt formulation can include, among other things, ethylene-vinyl acetate copolymers, olefinic block copolymer, amorphous polyolefins, styrene block copolymers, amorphous poly-alpha-olefins, thermoplastic polyolefins, tackifiers, stabilizers, paraffin waxes and/or Fisher Tropsch waxes.

公开(公告)号：US20220127445A1

公开(公告)日：2022-04-28

申请号：US17429724

申请日：2020-03-27

Applicant: SENJU METAL INDUSTRY CO., LTD.

Inventor： Hiroyoshi KAWASAKI ,  Masato SHIRATORI ,  Yoko KURASAWA ,  Motohiro ONITSUKA ,  Kazuya KITAZAWA ,  Akiko TAKAKI

IPC: C08L33/10 ,  C08L33/08 ,  C08L93/04 ,  B23K35/36 ,  C08L23/12 ,  C08L23/06 ,  B23K35/26 ,  B23K35/02

Abstract: Provided are: a resin composition for soldering use, which has excellent compatibility with a rosin-based resin and excellent temperature cycle reliability and is therefore suitable for a flux for soldering use; and a soldering composition and a flux cored solder, in each of which the resin composition for soldering use is used. The resin composition for soldering use comprises: an acrylic resin having a number average molecular weight of 500 or more and less than 2000 as determined by mass spectrometry using a time-of-flight mass spectrometer; and a rosin-based resin, a polyethylene-based resin or a polypropylene-based resin. Alternatively, the resin composition for soldering use comprises: an acrylic resin having a weight average molecular weight of 500 or more and less than 2000 as determined by mass spectrometry using a time-of-flight mass spectrometer; and a rosin-based resin, a polyethylene-based resin or a polypropylene-based resin.

公开(公告)号：US20220064496A1

公开(公告)日：2022-03-03

申请号：US17418410

申请日：2019-12-23

Applicant: 3M INNOVATIVE PROPERTIES COMPANY

Inventor： Shunsuke Suzuki ,  Alejandro Aldrin II A. Narag

IPC: C09J7/38 ,  C09J7/29 ,  C09J9/00 ,  C09J133/06 ,  C09J133/02 ,  C09J133/08 ,  C08L93/04 ,  C08K5/3412

Abstract: A heat-resistant laminate including a substrate and an adhesive layer, the adhesive layer including a (meth)acrylic adhesive polymer and a self-crosslinking (meth)acrylic copolymer having an epoxy group and an epoxy group-reactive functional group, the adhesive layer having a sea-island structure including a sea including the (meth)acrylic adhesive polymer and an island including the self-crosslinking (meth)acrylic copolymer, and the laminate having a 180 degree peeling force of 0.9 N/cm or more after bonding to a SUS board and leaving at 120° C. for 30 minutes as measured at a temperature of 60° C. and a peeling speed of 300 mm/min.

公开(公告)号：US11236253B2

公开(公告)日：2022-02-01

申请号：US15862989

申请日：2018-01-05

Applicant: NITTO DENKO CORPORATION

Inventor： Yusuke Yamanari ,  Makoto Saito ,  Naoaki Higuchi ,  Kenta Jozuka

IPC: C09J7/38 ,  C09J7/25 ,  C09J133/14 ,  C09J133/06 ,  C09J7/20 ,  C09J133/00 ,  C08L93/04 ,  C09J7/22

Abstract: Provided is a PSA sheet highly durable against repeated deformation and suited for use in a flexible device as well. The PSA sheet provided by this invention comprises a PSA layer. The PSA sheet shows a recovery rate at 100% elongation of 70% or higher. The PSA layer shows a displacement of 0.5 mm or greater according to the following holding power test:

At 23° C., the PSA layer is applied over a 10 mm wide by 20 mm long bonding area to a Bakelite plate as an adherend; a 1 kg load is applied in the length direction; after one hour, the displacement from the initial position where first applied is determined.

公开(公告)号：US20210404125A1

公开(公告)日：2021-12-30

申请号：US17468047

申请日：2021-09-07

Applicant: Ennis-Flint, Inc.

Inventor： Vincent Wilkins ,  Maxwell Heavner ,  Paul Seropian ,  Scott Williams ,  Scott Seeley ,  Mark Kennedy

IPC: E01C11/10 ,  C08L77/00 ,  C08L23/06 ,  C08K3/04 ,  C08L77/02 ,  C08L93/04 ,  C09D177/00 ,  C08L77/10 ,  C08L77/04 ,  C08L77/06

Abstract: Thermoplastic compositions useful for sealing longitudinal joints of substrates, for example, roadways and pavement, are provided herein. Formulations including the composition and methods of using the thermoplastic composition to seal longitudinal joints are also disclosed.

公开(公告)号：US20210206976A1

公开(公告)日：2021-07-08

申请号：US17301005

申请日：2021-03-22

Applicant: Kraton Chemical, LLC

Inventor： Jos H.M. Lange ,  Mark C. Schaapman ,  Justyna J. Hinc

IPC: C08L93/04 ,  C09F1/04 ,  C09J123/08 ,  C09J193/04 ,  C08L23/08 ,  C08K5/00 ,  C08L91/06

Abstract: Disclosed are compositions which include an ethylene polymer derived from at least one polar monomer with one or more ester groups, and a rosin ester. The rosin ester can have a low hydroxyl number (e.g., a hydroxyl number seven or less), a low acid number (e.g., an acid number of ten or less), a relatively low PAN number (e.g., a PAN number less than twenty-five), a relatively high third moment or third power average molecular weight (Mz), (e.g., an Mz value in between 2500 and 12000 g/mol), a low sulfur content (e.g., a sulfur content lower than 600 ppm prior to antioxidant addition) or combinations thereof. The compositions can exhibit a high heat stress resistance (e.g., a heat stress pass temperature value higher than 52° C. or in between 48° C. and 60° C.) and/or improved viscosity stability and/or color stability upon thermal aging and/or improved compatibility.