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Additive-containing pellets

A technology of additives and pellets, applied in the direction of coating, etc., can solve problems such as adverse effects on the electrical performance of XPLE power cables

Pending Publication Date: 2022-03-04
DOW GLOBAL TECH LLC
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

These cross-linking by-products can adversely affect the electrical properties of XPLE power cables

Method used

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  • Additive-containing pellets
  • Additive-containing pellets
  • Additive-containing pellets

Examples

Experimental program
Comparison scheme
Effect test

Embodiment

[0113] The starting materials used to formulate the Inventive Examples ("IEs") are provided in Table 1 below.

[0114] Table 1

[0115]

[0116]

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Abstract

The present disclosure provides a pellet. In one embodiment, the pellet includes a body having a first end and an opposing second end. The body is made of a polymer material. The body has a length, a diameter (body diameter), and a channel. The channel has a diameter (channel diameter) that extends through the body from the first end to the second end. An additive is located in the channel.

Description

Background technique [0001] Cross-linked polyethylene (XLPE) is widely used for high voltage insulation in power transmission systems. One way to produce XLPE is via a silane / moisture cure process. In the silane / moisture curing process, silanes are grafted onto polyethylene during reactive extrusion in the presence of peroxide initiators. The resulting silane-grafted resin yields silane-crosslinked polyethylene. [0002] Disadvantages of the silane / moisture cure process include the environmental, health and safety hazards associated with handling and using silanes and peroxides. In addition, peroxide crosslinking of polyethylene produces by-products due to the decomposition of the peroxide. For example, dicumyl peroxide (DCP, a common crosslinking agent) typically decomposes during polyethylene crosslinking and produces methane, acetophenone, and cumyl alcohol. These cross-linking by-products can adversely affect the electrical properties of XPLE power cables. [0003] Th...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B29B9/00C08K9/10C08J3/22
CPCB29B2009/163B29B9/12B29B9/16C08J3/24C08J2323/06C08J2323/08C08K5/5419C08K5/14C08K5/34924C08K5/54B29C48/345B29C48/40B29C48/05B29C48/04B29C48/0022B29C48/873B29C48/832B29C48/834B29B9/10C08J3/203C08J2323/20C08J2383/04
Inventor 苟茜孙亚斌马伟明M·埃斯吉尔黄文艺J·M·柯吉恩
Owner DOW GLOBAL TECH LLC