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Title:
POLYMER DEFOAMER AND PREPARATION METHOD
Document Type and Number:
WIPO Patent Application WO/2023/040044
Kind Code:
A1
Abstract:
A polymer defoamer and a preparation method. The polymer defoamer mainly consists of the following raw materials in percentage by weight: 12-35% of a polymer, 2-8% of silica, 3-10% of metallic soap, and 40-85% of carrier oil, wherein the polymer is a main active substance. The preparation method for the polymer defoamer is simple in process, low in cost, and excellent in performance, and can be widely used in papermaking pulping, coating, ink, binder, fermentation and other industries.

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Inventors:
DONG FEI (CN)
HUANG WEI (CN)
CAO TIAN (CN)
Application Number:
PCT/CN2021/132744
Publication Date:
March 23, 2023
Filing Date:
November 24, 2021
Export Citation:
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Assignee:
JIANGSU SIXIN SCIENTIFIC TECH APPLICATION RESEARCH INSTITUTE CO LTD (CN)
International Classes:
B01D19/04
Foreign References:
CN105983252A2016-10-05
CN109575265A2019-04-05
CN101991975A2011-03-30
CN104707365A2015-06-17
JP2020014973A2020-01-30
US20090149369A12009-06-11
Attorney, Agent or Firm:
NANJING ZHONGLIAN PATENT AGENCY CO., LTD. et al. (CN)
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