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A cross-linkable ethylene polymer composition comprising epoxy-groups and a cross-linking agent

A technology of ethylene polymers and compositions, applied in the field of ethylene polymer compositions, which can solve the problems of limited extruder output, low production speed, and burnt particles of cables

Active Publication Date: 2020-09-04
BOREALIS AG
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Above this temperature, cross-linking will occur in the extruder, which will lead to burnt particles in the cable
However, the maximum melt temperature of 140°C inside the extruder limits the output of the extruder and may result in lower production rates

Method used

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  • A cross-linkable ethylene polymer composition comprising epoxy-groups and a cross-linking agent
  • A cross-linkable ethylene polymer composition comprising epoxy-groups and a cross-linking agent
  • A cross-linkable ethylene polymer composition comprising epoxy-groups and a cross-linking agent

Examples

Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0167] 1. Materials

[0168] 1.1P1

[0169] P1 is ethylene-glycidyl methacrylate random polymer, the glycidyl methacrylate content is 8wt%, MFR 2 (2.16kg / 190℃) is 5g / 10min, and the density is 940kg / m 3 and a melting point of 106°C, available from Arkema.

[0170] 1.2Ad1

[0171] Ad1 is 1,8-diaminooctane, CAS No. 373-44-4, purchased from Sigma Aldrich.

[0172] 1.3Ad2

[0173] Ad2 is trimethylolpropane tris[poly(propylene glycol)amine terminated] ether, CAS No. 39423-51-3, available from SigmaAldrich.

[0174] 1.4Ad3

[0175] Ad3 is 2,2-bis(4-hydroxy-3-methylphenyl)propane, CAS No. 79-97-0, purchased from Sigma Aldrich.

[0176] 1.5Ti1

[0177] Ti 1 is tetrakis (2-ethylhexyl) orthotitanate, CAS No. 1070-10-6, Mw 564 g / mol, purchased from Dorf Ketal.

[0178] 2. Measurement method

[0179] Unless otherwise stated in the specification or claims, the following methods were used to measure the properties generally defined above, in the claims and in the following examples...

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Abstract

The present invention relates to an ethylene polymer composition comprising: (A) an ethylene polymer comprising epoxy-groups, and (B) a cross-linking agent comprising: (B1) an organo-metallic Lewis acid, and at least one of: (B2) a compound comprising at least one amino group; and (B3) a compound comprising at least one hydroxyl group.

Description

technical field [0001] The present invention relates to an ethylene polymer composition comprising an epoxy group-containing ethylene polymer and a crosslinking agent, a cable containing at least one layer containing the ethylene polymer composition, a cable containing the crosslinking agent A masterbatch of the ethylene polymer composition, a method for crosslinking the ethylene polymer composition and the use of a crosslinking agent in the crosslinking of the ethylene polymer composition. Background technique [0002] In power cables, such as medium voltage (6 to 36 kV) and high voltage (>36 kV) power cables, the electrical conductors are often first surrounded by an inner semiconducting layer, followed by an insulating layer, then an outer semiconducting layer, followed by Wrapping optional layer(s), such as a water blocking layer(s) and an optional jacket layer(s) on the outside. The layers of the cables are usually based on different kinds of ethylene polymers. [...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C08J3/22C08K5/00C08K5/053C08K5/13C08K5/17
CPCC08J3/226C08J2323/08C08J2423/04C08K5/0025C08K5/0091C08K5/053C08K5/13C08K5/17C08K2201/019C08L23/0884C08L23/06C08J2423/06C08L2310/00C08L2312/00
Inventor 奥斯卡·普列托马西米利亚诺·毛里克里斯蒂安·米勒
Owner BOREALIS AG
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