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Patent Searching and Data


Title:
CORE-SHEATH TYPE SPUNBOND NONWOVEN FABRIC AND MANUFACTURING METHOD THEREFOR
Document Type and Number:
WIPO Patent Application WO/2022/146004
Kind Code:
A1
Abstract:
According to the present invention, provided are: a core-sheath type spunbond nonwoven fabric with excellent mechanical properties and improved heat resistance and chemical resistance, comprising a sheath part made of a polyphenylene sulfide material, and a core part made of a high-melting-point polyester material; and a method capable of continuously manufacturing, by a spunbond method, a core-sheath type nonwoven fabric made of a polyphenylene sulfide material.

Inventors:
KANG DONGHEON (KR)
LEE MIN-HO (KR)
CHO HEE-JUNG (KR)
PARK YOUNG-SHIN (KR)
CHOI WOO-SEOK (KR)
JANG JUNG-SOON (KR)
Application Number:
PCT/KR2021/020105
Publication Date:
July 07, 2022
Filing Date:
December 29, 2021
Export Citation:
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Assignee:
KOLON INC (KR)
International Classes:
D04H3/009; D01D5/34; D01F8/14; D01F8/18; D04H3/011; D04H3/018; D04H3/147
Foreign References:
KR101783325B12017-10-23
JP2009155764A2009-07-16
KR101483368B12015-01-15
KR20150074374A2015-07-02
KR20140119351A2014-10-10
Attorney, Agent or Firm:
YOU ME PATENT AND LAW FIRM (KR)
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