公开(公告)号：WO2022122622A2

公开(公告)日：2022-06-16

申请号：PCT/EP2021/084329

申请日：2021-12-06

Applicant: SABIC GLOBAL TECHNOLOGIES B.V.

Inventor： PEREZ VALENCIA, Francisco ,  BOERAKKER, Mark, Johannes

IPC: C08L23/06 ,  F16L9/12 ,  C08F110/02 ,  C08F210/16 ,  C08L2203/18 ,  C08L2205/025 ,  C08L2207/062 ,  C08L2308/00 ,  C08L2314/02

Abstract: The invention relates to an ethylene copolymer having a multimodal molecular mass distribution, which comprises or consists of 40 to 80 wt% of an ethylene polymer component A, 5 to 40 wt% of an ethylene copolymer component B of ethylene and an olefin comonomer, having a higher molecular weight Mn than the ethylene homopolymer component A and having a molar comonomer content CB and a density DB, and 5 to 40 wt% of ethylene copolymer component C of ethylene and an olefin comonomer, having a higher molecular weight Mn than the ethylene copolymer component B and having a molar comonomer content CC and a density DC, wherein the amounts of A, B and C are based on the total weight of the ethylene polymer, wherein the ethylene copolymer has a comonomer content of 0.10 to 3.00 mol% and the difference between CB and CC is at most 0.10 mol%.

公开(公告)号：WO2021074696A2

公开(公告)日：2021-04-22

申请号：PCT/IB2020/020061

申请日：2020-10-14

Applicant: BRASKEM S.A.

Inventor： DELEVATI, Giancarlos ,  RENCK, Omar, Wandir ,  FARIA, Carlos, Augusto, Maia ,  HERRMANN, Paulo, Lourenço, Brito ,  VIEIRA, Marcial Cesar ,  ROCHA, Patricia, Mara de Freitas ,  DAS NEVES, Marcelo, Fioravanti ,  MALMEGRIM, Roger, Ribeiro

IPC: B32B27/32 ,  C08F210/02 ,  C08J5/18 ,  B29C48/022 ,  B29C48/08 ,  B29K2023/083 ,  B29L2007/008 ,  B32B2250/03 ,  B32B2250/05 ,  B32B2250/24 ,  B32B2270/00 ,  B32B23/08 ,  B32B23/18 ,  B32B2307/406 ,  B32B2307/51 ,  B32B2307/536 ,  B32B2307/54 ,  B32B2307/546 ,  B32B2307/558 ,  B32B2307/5825 ,  B32B2307/72 ,  B32B2307/732 ,  B32B2410/00 ,  B32B2439/70 ,  B32B27/08 ,  B32B27/20 ,  B32B27/304 ,  B32B27/306 ,  B32B27/34 ,  B32B7/12 ,  C08J2323/06 ,  C08J2323/08 ,  C08J2423/06 ,  C08J2423/08 ,  C08L2205/025 ,  C08L2205/035 ,  C08L2207/062 ,  C08L2207/066 ,  C08L23/06 ,  C08L23/08 ,  C08L23/0853

Abstract: A polymer may include a copolymer of ethylene and vinyl acetate, in which the ethylene is at least partially obtained from a renewable source of carbon, and wherein the copolymer has a melt index (190°C / 2.16 kg) ranging from 0.12 to 8.0 g/10 min according to ASTM D1238.

公开(公告)号：WO2022018288A2

公开(公告)日：2022-01-27

申请号：PCT/EP2021/070752

申请日：2021-07-23

Applicant: BOREALIS AG

Inventor： GEBAUER, Konrad ,  HARTL, Anna Maria ,  WANG, Jingbo ,  GAHLEITNER, Markus ,  DELAVIERE, Lionel

IPC: C08K5/20 ,  C08L23/08 ,  C08K5/00 ,  C08K5/0041 ,  C08K5/0083 ,  C08L2203/30 ,  C08L2205/025 ,  C08L2205/24 ,  C08L2207/062 ,  C08L23/06 ,  C08L23/0815 ,  C08L2310/00

Abstract: Polyethylene composition comprising a) at least 89.0 wt.% of a multimodal polyethylene polymer; b) optionally 0.01 to 10.0 wt.-% of a colour pigment or a colour masterbatch comprising a colour pigment; c) 0.01 to 1.0 wt.-% of a nucleating agent of formula (I) or a nucleating agent of formula (II) wherein A = mono- or bicyclic aryl group; each X is independently a -CO-NH- group or -NH-CO- group; R1 to R3 are each independently a C1-C20 alkyl optionally substituted by one or more hydroxyl groups; C2-C20 alkenyl optionally substituted by one or more hydroxyl groups; C2-C20 alkyl interrupted by oxygen or sulfur; C3-C12 cycloalkyl optionally substituted by one or more C1-C20 alkyl; C3-C12 cycloalkyl-C1-6-alkylene- wherein the C3-12 cyclokalkyl is optional substituted by one or more C1-C20 alkyl groups.

公开(公告)号：WO2023059879A1

公开(公告)日：2023-04-13

申请号：PCT/US2022/046046

申请日：2022-10-07

Applicant: BP POLYMERS, LLC ,  CALLAHAN, Kevin, J.

Inventor： CALLAHAN, Kevin, J.

IPC: B32B27/18 ,  B32B27/34 ,  B32B27/32 ,  C08L2207/062 ,  C08L23/06 ,  C08L77/06

Abstract: Exemplary barrier additive compositions have useful barrier properties. An exemplary barrier additive composition includes a nylon 6, a compatibilizer including maleic anhydride grafted polyethylene or polypropylene, and an optional optical tracer. The barrier additive composition can be used in containers for liquid chemicals, such as petroleum derived products..Also disclosed are polymer blends and films that include the barrier additive composition, methods of making the barrier additive composition, and methods of making containers and films that include the barrier additive composition.

公开(公告)号：WO2021122299A1

公开(公告)日：2021-06-24

申请号：PCT/EP2020/085509

申请日：2020-12-10

Applicant: BOREALIS AG

Inventor： LIU, Yi ,  KAHLEN, Susanne ,  BRAUN, Hermann ,  RIBARITS, Elisabeth ,  GOETZLOFF, Christian ,  HUBNER, Gerhard ,  DAMMERT, Ruth ,  RONKAINEN, Sanna ,  RÖSSLER-CZERMAK, Andreas ,  ÄÄRILÄ, Jari

IPC: C08L23/04 ,  C08L23/06 ,  C08L23/08 ,  C08L2203/202 ,  C08L2205/025 ,  C08L2207/062 ,  C08L2207/20 ,  C08L23/0815

Abstract: The present invention relates to a mixed-plastic-polyethylene composition comprising: - a total amount of ethylene units (C2 units) of from 90.00 to 99.00 wt%, and - a total amount of continuous units having 3 carbon atoms corresponding to polypropylene (continuous C3 units) of from 0.01 to 5.00 wt%, with the total amounts of C2 units and continuous C3 units being based on the total weight amount of monomer units in the composition and measured according to quantitative 13C{1H} NMR measurement, and wherein the composition has - a melt flow rate (ISO 1133, 2.16 kg, 190 °C) of from 0.1 to 2.0 g/10 min; and - a density of from 930 kg/m³ to 955 kg/m³, preferably from 932 to 953 kg/m³, a process for producing said mixed-plastic-polyethylene composition, an article comprising said mixed-plastic-polyethylene composition and the use of said mixed-plastic-polyethylene composition for producing a cable layer.