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公开(公告)号：US11795311B2
公开(公告)日：2023-10-24
申请号：US16768851
申请日：2018-10-30
发明人： Cheol-Hee Park , Byung-Wook Kang , Won-Keon Seo
CPC分类号： C08L23/12 , C08L23/142 , C08L23/16 , C08L53/025 , C08L2205/16 , C08L2207/04
摘要： Provided is a polypropylene resin composition which imparts excellent impact resistance by comprising polypropylene resin, a thermoplastic elastomer, and a wool-like inorganic filler, and simultaneously imparts dimensional stability through control of low shrinkage and orientation, and also has very excellent scratch resistance.
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公开(公告)号：US11795310B2
公开(公告)日：2023-10-24
申请号：US16463569
申请日：2017-11-23
发明人： Derek Erdman , Stephen Dixon
IPC分类号： B29B7/74 , C08L23/12 , B29B7/38 , B29B7/82 , B29B9/04 , B29B9/16 , C08L9/06 , B29K23/00 , B29K105/26 , C08L23/16
CPC分类号： C08L23/12 , B29B7/38 , B29B7/7495 , B29B7/82 , B29B9/04 , B29B9/16 , C08L9/06 , B29K2023/00 , B29K2105/26 , C08L23/16 , Y02W30/62 , C08L23/12 , C08L23/16 , C08L23/16 , C08L23/12 , C08L9/06 , C08L23/12 , C08L23/12 , C08L9/06
摘要： Methods of making an environmentally acceptable shaped article. In an embodiment method comprises machining a sheet comprising crumb rubber within a polyolefin matrix into a plurality of particles to form a reground mixture; and processing the reground mixture at an elevated temperature into a mold to form said shaped article, wherein the shaped article has a substantially more evenly dispersed mixture of said crumb rubber within the matrix of said shaped article than within the matrix of said sheet or the particles of the reground mixture.
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公开(公告)号：US11787925B2
公开(公告)日：2023-10-17
申请号：US16690511
申请日：2019-11-21
IPC分类号： C08F10/06 , C08F210/06 , C08L23/10 , C08L23/12 , C08L23/14 , B29C49/06 , C08L23/16 , C08L23/18 , C08L51/06 , C08L33/08 , C08L81/06 , C08K5/14 , C08L83/04 , B29C45/00
CPC分类号： C08L23/14 , C08K5/14 , C08L23/16 , C08L23/18 , C08L33/08 , C08L51/06 , C08L81/06 , C08L83/04 , B29C45/0001 , B29C49/06 , C08L2205/02 , C08L2312/06
摘要： A composition comprising polypropylene having a high melt strength suitable for an injection stretch blow molding (ISBM) process is provided. Such a composition includes a polypropylene (PP) copolymer having a branched structure. The PP copolymer is a random copolymer derived from propylene and at least one comonomer selected from ethylene, any C4-C8 alpha-olefin, or any combinations thereof. The composition has a melt flow index in a range of from 8 g/10 minutes to 30 g/10 minutes. A resulting fabricated article, a method of making the composition, and a method of using the composition are also provided.
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公开(公告)号：US20230312898A1
公开(公告)日：2023-10-05
申请号：US18207901
申请日：2023-06-09
CPC分类号： C08L23/16 , C08L23/0815 , C08L23/12 , C08J7/0427 , C08L2207/04 , C08J2423/08 , C08L53/025
摘要： A thermoplastic elastomer composition for overmolding a predominantly polyamide substrate, a method for the preparation of an overmolded article, and an overmolded article having a layer of thermoplastic elastomer is provided. The thermoplastic elastomer composition comprises a thermoplastic vulcanizate, an olefinic block copolymer, and a maleated functionalized polyolefin copolymer. The method for the preparation of the overmolded article comprises heating the thermoplastic elastomer composition followed by applying the heated composition to at least a portion of the predominantly polyamide substrate.
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公开(公告)号：US20230250267A1
公开(公告)日：2023-08-10
申请号：US18014439
申请日：2021-09-29
申请人： SIKA TECHNOLOGY AG
发明人： Oliver KNEBEL
IPC分类号： C08L23/16
CPC分类号： C08L23/16 , C08L2205/22 , C08L2205/03 , C08L2205/035 , C08L2205/025 , C08L2207/04
摘要： A thermoplastic composition includes at least one thermoplastic vulcanizate, at least one thermoplastic polyolefin elastomer, and at least one propylene copolymer, wherein the at least one thermoplastic polyolefin elastomer has a flexural modulus at 23° C. of not more than 750 MPa and wherein the at least one propylene copolymer is a propylene-ethylene copolymer. A sealing device includes a waterproofing layer obtained by using the thermoplastic composition, a method for producing a sealing device, and a method for waterproofing a substrate.
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公开(公告)号：US20230250265A1
公开(公告)日：2023-08-10
申请号：US18003429
申请日：2021-06-24
发明人： Yuya YAMAMOTO , Takeshi MARUYAMA
CPC分类号： C08L23/12 , C08L23/16 , C08L23/0815 , C08L23/26 , C08K7/14 , C08K5/20 , C08L2207/02 , C08L2205/025 , C08L2205/035 , C08L2203/30
摘要： A polypropylene resin composition which contains: from 20% by weight to 50% by weight of a heterophasic propylene polymerization material (A) that has a melt flow rate of from 70 g/10 minutes to 300 g/10 minutes as determined at 230° C. under a load of 2.16 kgf in accordance with JIS-K-6758; from 15% by weight to 40% by weight of an ethylene/α-olefin copolymer (B-1) that has a melt flow rate of from 2 g/10 minutes to 100 g/10 minutes as determined at 190° C. under a load of 2.16 kgf in accordance with JIS-K-7210; from 10% by weight to 20% by weight of an ethylene/α-olefin copolymer (B-2) that has a melt flow rate of 1 g/10 minutes or less as determined at 190° C. under a load of 2.16 kgf in accordance with JIS-K-7210; from 20% by weight to 40% by weight of glass fibers (C); and from 0.1% by weight to 5% by weight of an acid-modified polyolefin (D).
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公开(公告)号：US11718740B2
公开(公告)日：2023-08-08
申请号：US17894776
申请日：2022-08-24
发明人： Shinichiro Shimomura
CPC分类号： C08L23/16 , C08J3/005 , C08L53/00 , C08J2323/16 , C08J2353/00 , C08J2423/08 , C08J2423/12 , C08J2423/16 , C08J2491/00 , C08L2203/30 , C08L2205/025 , C08L2205/035 , C08L2207/04 , C08L2207/322
摘要： Provided is a method for producing a thermoplastic elastomer composition that can form a molded article having both good appearance and high stiffness. The method for producing a thermoplastic elastomer composition comprises the following first step and second step, wherein the produced thermoplastic elastomer composition contains 5 mass % or less of a mineral oil (C): first step: a step of melt-kneading polypropylene (A-1) and an ethylene-based copolymer rubber (B) in the presence of an organic peroxide, the polypropylene (A-1) being polypropylene of which 20° C. xylene insoluble fraction has an intrinsic viscosity [ηcxis] of 0.1 dl/g or more and less than 1.5 dl/g; and second step: a step of further adding polypropylene (A-2) of which 20° C. xylene insoluble fraction has an intrinsic viscosity [ηcxis] of 1.5 dl/g or more and 7 dl/g or less, and melt-kneading the resulting mixture.
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公开(公告)号：US11718736B2
公开(公告)日：2023-08-08
申请号：US16380360
申请日：2019-04-10
申请人： Comadur S.A.
发明人： Damien Cartier , Jonathan Dumain
IPC分类号： C08L23/08 , B22F1/103 , B29C45/00 , C04B35/10 , C04B35/48 , C04B35/634 , C08K5/20 , C08L23/16 , C08L91/06 , B22F1/10
CPC分类号： C08L23/08 , B22F1/103 , B29C45/0001 , C04B35/10 , C04B35/48 , C04B35/63404 , C04B35/63408 , C04B35/63424 , C08K5/20 , C08L23/16 , C08L91/06 , B22F1/10 , B29K2905/02 , B29K2905/08 , B29K2909/02 , C08L2205/035 , C08L23/24 , C08L23/16 , C08L91/06 , C08L1/14 , C08L51/06 , C08L23/0846 , C08K5/20 , B22F2999/00 , B22F1/10 , B22F3/225 , C22C1/0458
摘要： A binder for an injection moulding composition including: from 40 to 55 volume percent of a polymeric base, from 35 to 45 volume percent of a mixture of waxes or a mixture of wax and palm oil, and at least 5 volume percent of at least one surfactant, wherein the polymeric base is formed of copolymers of ethylene and methacrylic or acrylic acid, copolymers of ethylene and propylene and/or maleic anhydride-grafted polypropylene, and polymers soluble in isopropyl alcohol, propyl alcohol and/or turpentine, and chosen from the group including a cellulose acetate butyrate, a polyvinyl butyral and a copolyamide, the respective quantities of the binder components being such that their sum is equal to 100 volume percent of the binder.
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公开(公告)号：US20230242750A1
公开(公告)日：2023-08-03
申请号：US17923335
申请日：2021-05-26
申请人： Borealis AG
发明人： Jingbo Wang , Markus Gahleitner , Klaus Bemreitner , Pauli Leskino , Peter Neidersuess , Auli Nummila-Pakarinen
IPC分类号： C08L23/16 , C09D123/16 , B29C48/154
CPC分类号： C08L23/16 , C09D123/16 , B29C48/154 , C08L2314/06 , B29K2023/16
摘要： The present invention relates to a polypropylene composition comprising a propylene random copolymer having —a melt flow rate MFR2 (230° C./2.16 kg) measured according to ISO 1133 of 15 to 40 g/10 min, —a melting temperature Tm as determined by DSC according to ISO 11357 of 115 to 145° C., and —a number of 2,1 and 3,1 regio defects of from 0.01 to 1.2 mol % as measured by 13C NMR, to an article coated with said composition, to a process for coating an article with said composition and to the use of said composition for coating an article.
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公开(公告)号：US11708468B2
公开(公告)日：2023-07-25
申请号：US17275939
申请日：2019-09-04
发明人： Paola Massari , Claudio Cavalieri , Caroline Cathelin , Davide Tartari , Marco Ciarafoni , Roberto Pantaleoni
IPC分类号： C08L23/16 , C08L23/20 , C08F210/08 , C08F210/02 , C08F210/06 , C08F210/16 , C08J5/18 , C08L23/14 , C08F2/00
CPC分类号： C08J5/18 , C08L23/14 , C08F2/001 , C08F210/02 , C08F210/06 , C08F210/08 , C08F210/16 , C08J2323/14 , C08J2423/14 , C08L23/16 , C08L23/20 , C08L2203/162 , C08L2205/025 , C08L23/16 , C08L23/20 , C08F2500/12 , C08F2500/34 , C08F2500/35 , C08F2500/36 , C08F2800/20
摘要： A terpolymer compositions made from or containing:
A) From 80 wt % to 97 wt %; of a first propylene, ethylene, 1-butene terpolymer having:
i) the content of ethylene derived units ranging from 0.5 wt % to 3.2 wt %;
ii) the content of 1-butene derived units ranging from 7.2 wt % to 14.8 wt %; and
B) From 20 wt % to 3 wt %; of a second propylene, ethylene, 1-butene terpolymer having:
i) the content of ethylene derived units ranging from 0.5 wt % to 3.2 wt %;
ii) the content of 1-butene derived units ranging from 14.4 wt % to 26.5 wt %; and
the terpolymer composition having the melt flow rate, MFR, measured according to ISO 1133 at 230° C. with a load of 2.16 kg, ranging from 3.0 g/10 min to 20.0 g/10 min; the sum of the amounts of A) and B) being 100 wt %.
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