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Patent Searching and Data


Title:
PROCESS AND EQUIPMENT FOR PREPARING POLYAMIDE 56 FILAMENT BY MEANS OF ONE-STEP CONTINUOUS FORMING AND FLEXIBLE DEFORMATION
Document Type and Number:
WIPO Patent Application WO/2022/116462
Kind Code:
A1
Abstract:
A process and equipment for preparing a polyamide 56 filament by means of one-step continuous forming and flexible deformation. The preparation process mainly includes three parts: a liquid phase polymerization process of a polyamide salt solution, a spinning forming process and a flexible post-processing process; and fully drawn yarn, drawn textured yarn or air textured yarn can be prepared continuously in one step by means of same.

Inventors:
HAO XINMIN (CN)
GUO YAFEI (CN)
YAN JINLONG (CN)
QIAO RONGRONG (CN)
DONG MENGJIE (CN)
Application Number:
PCT/CN2021/086574
Publication Date:
June 09, 2022
Filing Date:
April 12, 2021
Export Citation:
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Assignee:
INSTITUTE OF QUARTERMASTER ENGINEERING AND TECH INSTITUTE OF SYSTEMS ENGINEERING ACADEMY OF MILITARY (CN)
International Classes:
D01D5/088; C08G69/28; D01D5/12; D01D5/16; D01F6/60; D02G1/02; D02G1/16; D02J1/08; D02J1/22; D02J13/00
Foreign References:
CN112626626A2021-04-09
CN104562271A2015-04-29
CN110055602A2019-07-26
JP2011168920A2011-09-01
CN103966681A2014-08-06
CN111321481A2020-06-23
CN111411405A2020-07-14
CN105887230A2016-08-24
CN106829633A2017-06-13
Attorney, Agent or Firm:
JEEKAI&PARTNERS (CN)
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