Login| Sign Up| Help| Contact|

Patent Searching and Data


Title:
METHOD FOR MANUFACTURING TEXTILE WASTE INTO FIBER GRADE POLYESTER CHIPS APPLICABLE TO TEXTILE PROCESSING
Document Type and Number:
WIPO Patent Application WO/2019/001137
Kind Code:
A1
Abstract:
The present invention provides a method for manufacturing textile waste into fiber grade polyester chips applicable to textile processing. The method comprises textile waste crushing, alcoholysis, filtering and separation, cooling crystallization, pressing, decoloration, distillation purification, preheating, prepolycondensation, polycondensation, cooling strip casting, and cutting into particles. By reducing textile waste to high purity bis(2-hydroxyethyl)terephthalate (hereinafter referred to as BHET), fiber grade polyester chips applicable to textile processing are re-manufactured. Thus, efficient recycling is achieved.

Inventors:
LIN SHUGUANG (CN)
DONG XINGGUANG (CN)
LUO JUNSHENG (CN)
ZHOU ZHENGQI (CN)
Application Number:
PCT/CN2018/085523
Publication Date:
January 03, 2019
Filing Date:
May 04, 2018
Export Citation:
Click for automatic bibliography generation   Help
Assignee:
SHUYE ENVIRONMENTAL TECH CO LTD (CN)
International Classes:
C08G63/183; C08G63/78; D01F6/62
Foreign References:
CN107189044A2017-09-22
CN104710601A2015-06-17
JP2000239233A2000-09-05
CN102911396A2013-02-06
CN105061735A2015-11-18
CN102505175A2012-06-20
Attorney, Agent or Firm:
YOGO PATENT & TRADE MARK AGENCY LIMITED COMPANY SHANTOU BRANCH (CN)
Download PDF: