Title:
ABS RUBBER POWDER WITH LOW IMPURITY CONTENT, PREPARATION METHOD THEREFOR, AND ABS RESIN
Document Type and Number:
WIPO Patent Application WO/2021/127935
Kind Code:
A1
Abstract:
Disclosed in the present invention are ABS rubber powder with a low impurity content, a preparation method therefor, and an ABS resin. The ABS rubber powder is treated by using the following steps: washing the ABS rubber powder with a washing solution I, and monitoring the content of soluble organic carbon in the ABS rubber powder until the content of soluble organic carbon in the ABS rubber powder is less than or equal to 9000 ppm, so as to obtain the ABS rubber powder with the low impurity content. In the present invention, by controlling the content of soluble organic carbon or the contents of soluble organic carbon and iron ions in the ABS powder, the ABS resin with a low yellow index of less than or equal to 18 is obtained.
Inventors:
HAN QIANG (CN)
ZHANG QINHUA (CN)
MA NING (CN)
ZHAO YIBING (CN)
SUN SHUANGYI (CN)
LIU BO (CN)
SUN YIFENG (CN)
ZHANG QINHUA (CN)
MA NING (CN)
ZHAO YIBING (CN)
SUN SHUANGYI (CN)
LIU BO (CN)
SUN YIFENG (CN)
Application Number:
PCT/CN2019/127650
Publication Date:
July 01, 2021
Filing Date:
December 23, 2019
Export Citation:
Assignee:
WANHUA CHEMICAL GROUP CO LTD (CN)
International Classes:
C08F6/16; C08L55/02
Foreign References:
| KR20180051839A | 2018-05-17 | |||
| KR20180051839A | 2018-05-17 | |||
| JPS58103506A | 1983-06-20 | |||
| JPS58103506A | 1983-06-20 | |||
| CN106065037A | 2016-11-02 | |||
| CN109942976A | 2019-06-28 | |||
| CN109608782A | 2019-04-12 |
Attorney, Agent or Firm:
SINO-CREATIVITY INTELLECTUAL PROPERTY LAW FIRM (CN)
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