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Title:
COMPOSITE WIPING NON-WOVEN FABRIC AND MANUFACTURING METHOD THEREFOR
Document Type and Number:
WIPO Patent Application WO/2023/000640
Kind Code:
A1
Abstract:
A composite wiping non-woven fabric (14), which is of a layered structure, and comprises an upper surface layer, an intermediate fiber layer (13), and a lower surface layer in sequence, wherein the upper surface layer and the lower surface layer of the composite wiping non-woven fabric (14) are mainly composed of melt-blown fibers, the intermediate fiber layer (13) is mainly composed of viscose fibers, the weight of the intermediate layer fiber accounts for more than 65% of the total weight of the composite non-woven fabric, and there is a fiber interweaving interpenetrating area between adjacent layers of the upper surface layer and the lower surface layer and the intermediate fiber layer (13). When a viscose fiber with a longer fiber length is used as the intermediate layer fiber, the viscose fiber is not prone to unthreading from fiber pores of the upper surface layer and the lower surface layer, such that not only is the breaking strength of the composite wiping non-woven fabric increased, but also the phenomena of "powder loss" and "fluff loss" are avoided during use.

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Inventors:
WU CHAOSHENG (CN)
LI SHIHUANG (CN)
CHEN YONGGONG (CN)
Application Number:
PCT/CN2022/074234
Publication Date:
January 26, 2023
Filing Date:
January 27, 2022
Export Citation:
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Assignee:
XIAMEN YANJAN NEW MAT CO LTD (CN)
International Classes:
D04H1/559; D04H1/541
Domestic Patent References:
WO2005012620A12005-02-10
Foreign References:
CN113445206A2021-09-28
CN109594194A2019-04-09
CN209722450U2019-12-03
CN209722451U2019-12-03
CN209702994U2019-11-29
JP2015192777A2015-11-05
CN109667063A2019-04-23
CN112779677A2021-05-11
CN1470698A2004-01-28
CN109629118A2019-04-16
US20040255440A12004-12-23
Attorney, Agent or Firm:
XIAMEN SHINHWA PATENT & TRADEMARK AGENCY CO., LTD. (CN)
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