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公开(公告)号：US20180037774A1
公开(公告)日：2018-02-08
申请号：US15535324
申请日：2015-12-02
Applicant: SABIC GLOBAL TECHNOLOGIES B.V.
IPC: C09J7/00 , B65D81/34 , B65D75/00 , C08J5/18 , C08F210/16
CPC classification number: C09J7/00 , B65D75/006 , B65D81/34 , C08F210/16 , C08J5/18 , C08J2323/08 , C09J123/0815 , C09J2423/04 , C08F4/6565 , C08F4/651 , C08F4/025 , C08F4/6546 , C08F210/08 , C08F2500/12 , C08F2500/26 , C08F2500/08
Abstract: The present invention relates to a film comprising linear low-density polyethylene having a hexane extractables content as measured according to ASTM D-5227:95 of less than 2.5 wt % and a film RMS roughness measured by AFM according to point 4.2.2 ISO 4287:1997 of lower than 40 nm and/or an average roughness measured according to point 4.2.1 of ISO 4287:1997, of lower than 30 nm and a melt index (MI) measured according to ASTM D1238 at a temperature of 190° C. and a load of 2.16 kg of higher than 1.0 g/10 min.
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公开(公告)号：US20170349734A1
公开(公告)日：2017-12-07
申请号：US15535273
申请日：2015-12-02
Applicant: SABIC GLOBAL TECHNOLOGIES B.V.
Inventor： Salaheldin M A. Habibi , Said Fellahi , Akhlaq A. Moman , Yahya Banat , Abdulaziz Hamad Al-Humydi
CPC classification number: C08L23/06 , C08J5/18 , C08J2323/06 , C08J2423/06 , C08L23/0815 , C08L2203/16 , C08L2205/025 , C08L2207/066 , C08L2314/02 , C08L2314/06 , C08F210/16 , C08F210/14 , C08F2500/12 , C08F2500/17 , C08F2500/26 , C08F2500/19 , C08F4/6546 , C08F4/6565 , C08F4/025
Abstract: The invention is directed to a polyethylene composition comprising 20-90 wt % of a LLDPE A and 80-10 wt % of a LLDPE B, wherein i) LLDPE A is obtainable by a process for producing a copolymer of ethylene and another α-olefin in the presence of an Advanced Ziegler-Natta catalyst, ii) LLDPE B is obtainable by a process for producing a copolymer of ethylene and another α-olefin in the presence of a metallocene catalyst.
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公开(公告)号：US20170327606A1
公开(公告)日：2017-11-16
申请号：US15535312
申请日：2015-12-02
Applicant: SABIC GLOBAL TECHNOLOGIES B.V.
CPC classification number: C08F10/02 , A01G25/02 , C08F4/76 , C08F2500/01 , C08F2500/04 , C08K3/04 , C08L2203/18 , C08L2207/06 , C08L2314/02 , F16L9/12 , C08F210/16 , C08F4/6565 , C08F4/651 , C08F210/08 , C08F2500/08 , C08F2500/12 , C08F2500/18 , C08F4/6586 , C08L23/04
Abstract: A pipe including polyethylene produced in the presence of a solid catalyst and a co-catalyst, wherein the solid catalyst is prepared by the steps of: (a) contacting a dehydrated support having hydroxyl groups with a compound of formula MgR1R2; (b) contacting the product of step (a) with modifying compounds (A), (B) and (C), wherein: (A) is carboxylic acid, carboxylic acid ester, ketone, acyl halide, aldehyde or alcohol; (B) is of formula R11f(R12O)gSiXh wherein f, g and h 0 to 4 and the sum of f, g and h=4 provided that when h=4 then compound (A) is not an alcohol; (C) is a compound of formula (R13O)4M, wherein M is a titanium atom, a zirconium atom or a vanadium atom; and (c) contacting the product of step (b) with a titanium halide TiX4, whereby the polyethylene has a molecular weight of 720,000 to less than 2,500,000 g/mol.
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公开(公告)号：US20170280636A1
公开(公告)日：2017-10-05
申请号：US15620414
申请日：2017-06-12
Applicant: SABIC GLOBAL TECHNOLOGIES B.V.
CPC classification number: A01G9/1438 , B32B27/32 , B32B2307/412 , B32B2410/00 , C08J5/18 , C08J2323/06 , C08J2323/08 , C08K5/098 , C08K5/134 , C08K5/526
Abstract: The present invention relates to a film for use in plasticulture that comprises at least a first layer of a thermoplastic polymer composition, said thermoplastic polymer composition comprising a linear low-density polyethylene having a melt index (MI) measured according to ASTM D1238 at a temperature of 190° C. and a load of 2.16 kg of higher than 1.0 g/10 min and at most 10.0 g/10 min, whereby the film has an RMS roughness measured by AFM according to point 4.2.2 of ISO 4287:1997 of lower than 40 nm, and/or an average roughness measured by AFM according to point 4.2.1 of ISO 4287:1997 of lower than 30 nm.
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