Title:
SILANE-CROSSLINKED POLYETHYLENE INSULATION MATERIAL USED FOR HEATING CABLE, PREPARATION METHOD THEREFOR AND APPLICATION THEREOF
Document Type and Number:
WIPO Patent Application WO/2020/088333
Kind Code:
A1
Abstract:
Disclosed in the present invention are a silane-crosslinked polyethylene insulation material used for a heating cable, a preparation method therefor and an application thereof; the insulation material is made by mixing a silane-grafted material and a crosslinking catalyst master batch; the raw materials of the silane-grafted material comprise a polyolefin resin, a silane crosslinking agent, a graft initiator, a first lubricant, and a first antioxidant; the raw materials of the crosslinking catalyst master batch comprise: a crosslinking catalyst, a second lubricant, and a second antioxidant; the polyolefin resin is composed of a first high-density polyethylene, a bimodal polyethylene, and polypropylene; the raw materials of the crosslinking catalyst master batch further comprise a second high-density polyethylene and a linear low-density polyethylene; the preparation method comprises: respectively preparing the silane-grafted material and the crosslinking catalyst master batch, and then packaging according to a ratio; and an application thereof in the production of heating cables. The present invention may be used for a long period of time at 125°C, maintains excellent physical and mechanical properties, is safe and environmentally friendly, and is low-cost.
Inventors:
ZHANG LIBEN (CN)
TU BIDONG (CN)
QIAN QIKUN (CN)
YANG JUN (CN)
TU BIDONG (CN)
QIAN QIKUN (CN)
YANG JUN (CN)
Application Number:
PCT/CN2019/112900
Publication Date:
May 07, 2020
Filing Date:
October 24, 2019
Export Citation:
Assignee:
JIANGSU DEWEI ADVANCED MAT CO LTD (CN)
International Classes:
C08L23/06; C08L23/08; C08L23/12; C08L51/06; H01B3/44
Foreign References:
| CN109438808A | 2019-03-08 | |||
| CN104262769A | 2015-01-07 | |||
| CN102532664A | 2012-07-04 | |||
| CN104231413A | 2014-12-24 | |||
| CN101781419A | 2010-07-21 | |||
| CN107556598A | 2018-01-09 | |||
| CN107556600A | 2018-01-09 | |||
| JP2000164037A | 2000-06-16 | |||
| EP2226355A2 | 2010-09-08 | |||
| JP2012057075A | 2012-03-22 |
Attorney, Agent or Firm:
SUZHOU CREATOR PATENT & TRADEMARK AGENCY LTD. (CN)
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