Title:
POLYESTER, AND PREPARATION METHOD THEREFOR AND USE THEREOF
Document Type and Number:
WIPO Patent Application WO/2023/226835
Kind Code:
A1
Abstract:
Disclosed in the present invention are a polyester, and a preparation method therefor and the use thereof. The total content of low-molecular-weight substances in the polyester is 0.1-0.6 wt%, and the GPC curve of the low-molecular-weight substances has the following characteristic: the integral area of peaks having a number-average molecular weight Mn greater than 400 is less than 60% of the total integral area. The present invention can effectively solve the problem of high probability of precipitation on the surface of a polyester product, and the prepared polyester product has high glossiness.
Inventors:
ZHANG CHUANHUI (CN)
CHEN PINGXU (CN)
YE NANBIAO (CN)
OUYANG CHUNPING (CN)
MAI KAIJIN (CN)
DONG XUETENG (CN)
CENG XIANGBIN (CN)
LU CHANGLI (CN)
CHEN PINGXU (CN)
YE NANBIAO (CN)
OUYANG CHUNPING (CN)
MAI KAIJIN (CN)
DONG XUETENG (CN)
CENG XIANGBIN (CN)
LU CHANGLI (CN)
Application Number:
PCT/CN2023/094641
Publication Date:
November 30, 2023
Filing Date:
May 17, 2023
Export Citation:
Assignee:
ZHUHAI KINGFA BIOMATERIAL CO LTD (CN)
KINGFA SCIENCE & TECHNOLOGY CO (CN)
KINGFA SCIENCE & TECHNOLOGY CO (CN)
International Classes:
C08G63/16; A47G21/18; C08G63/78; C08L67/02
Domestic Patent References:
| WO2006001084A1 | 2006-01-05 |
Foreign References:
| CN114957628A | 2022-08-30 | |||
| CN114507338A | 2022-05-17 | |||
| US20200362101A1 | 2020-11-19 | |||
| CN109369893A | 2019-02-22 | |||
| JP2004107457A | 2004-04-08 | |||
| JP2010209268A | 2010-09-24 | |||
| US20180237583A1 | 2018-08-23 | |||
| US20200362103A1 | 2020-11-19 | |||
| US5880224A | 1999-03-09 |
Attorney, Agent or Firm:
GUANGZHOU WISON I.P. LAW FIRM (CN)
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