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Title:
OXIDATION-INDUCED SHAPE MEMORY FIBER, PREPARATION METHOD THEREFOR, AND APPLICATION THEREOF
Document Type and Number:
WIPO Patent Application WO/2021/139790
Kind Code:
A1
Abstract:
An oxidation-induced shape memory fiber, comprising a tension-bearing core material with a reserved anchoring end and/or a tension-bearing core material coated with an oxidation-resistant coating, and an oxidation-prone pressure-bearing coating. The oxidation-prone pressure-bearing coating is coated on the outside of the tension-bearing core material and/or the tension-bearing core material coated with an oxidation resistant coating. The oxidation-prone pressure-bearing coating is in a pressure stress state in a length direction of the tension-bearing core material, and the tension-bearing core material and/or the tension-bearing core material coated with the oxidation-resistant coating are/is in a tension-pressure equilibrium state with the oxidation-prone pressure-bearing coating in the length direction of the tension-bearing core material. The preparation method for the oxidation-induced shape memory fiber is as follows: reserving the anchoring end, and then applying a tensile force to the tension-bearing core material and/or the tension-bearing core material coated with the oxidation-resistant coating; and afterwards, coating the oxidation-prone pressure-bearing coating.

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Inventors:
WANG ZIGUO (CN)
WANG SHENG (CN)
SUN YUYAN (CN)
GUI BIN (CN)
YU QI (CN)
WAN XIAOMEI (CN)
Application Number:
PCT/CN2021/070938
Publication Date:
July 15, 2021
Filing Date:
January 08, 2021
Export Citation:
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Assignee:
UNIV QINGDAO TECHNOLOGY (CN)
QINGJIAN GROUP CO LTD (CN)
QINGDAO QINGJIAN NEW MAT GROUP CO LTD (CN)
International Classes:
C04B35/628; C04B20/10; C04B20/12; C04B35/573; C04B35/577; C04B35/80; C22C49/14; C22C121/02
Foreign References:
CN111196733A2020-05-26
CN103332945A2013-10-02
CN103332945A2013-10-02
CN102674873A2012-09-19
CN101613209A2009-12-30
US6068930A2000-05-30
Attorney, Agent or Firm:
CHANGSHA RONG ZHI PATENT AGENCY (CN)
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