MAGNETIC COMPOSITE SEMICONDUCTIVE SHIELDING LAYER FOR HIGH-VOLTAGE DIRECT CURRENT CABLE AND PREPARATION METHOD THEREOF

WIPO Patent Application WO/2020/207312

A1

Provided are a magnetic semiconductive shielding layer for a high-voltage direct current cable and a preparation method thereof, belonging to the field of electrical materials, the magnetic semiconductive shielding layer for the high-voltage direct current cable is magnetic composite material, the preparation method thereof is: first adding the magnetic material in the form of powder or slurry to the composite material to prepare the magnetic composite semiconductive shielding material for the high-voltage direct current cable, then preparing the magnetic semiconductive shielding layer for the high-voltage direct current cable using the hot-pressing crosslinking method, finally performing oriented magnetization on the semiconductive shielding layer to obtain the magnetic semiconductive shielding layer for the high-voltage direct current cable. The shielding layer is mainly used to the high-voltage direct current cable to restrain the emission function of charges in the semiconductive shielding layer.

HAO CHUNCHENG (CN)
LI YUAN (CN)
LEI QINGQUAN (CN)
XING ZHAOLIANG (CN)
WEI YANHUI (CN)
LI GUOCHANG (CN)
ZHANG CHONG (CN)
YU FAN (CN)
HU XIANGNAN (CN)

PCT/CN2020/082784

October 15, 2020

April 01, 2020

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QINGDAO UNIV OF SCIENCE&TECHNOLOGY (CN)
NO 18 BINHE ROAD FUTURE SCI TECH CITY CHANGPING DISTR BEIJING (CN)

C08L23/06; C08K9/06; C08L23/08; H01B3/44

CN110078990A	2019-08-02
CN102634177A	2012-08-15
CN108034118A	2018-05-15
CN107488295A	2017-12-19
CN102509573A	2012-06-20
CN103980599A	2014-08-13
US5171937A	1992-12-15

QINGDAO ZHIJIA INTELLECTUAL PROPERTY AGENCY FIRM (GENERAL PARTNERSHIP) (CN)

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