Title:
RIGID AND HIGH-TEMPERATURE-RESISTANT POLYUREA ANTI-CORROSION COATING AND PREPARATION METHOD THEREFOR
Document Type and Number:
WIPO Patent Application WO/2021/027370
Kind Code:
A1
Abstract:
Disclosed is a rigid and high-temperature-resistant polyurea anti-corrosion coating. The polyurea anti-corrosion coating comprises a component A and a component B, wherein the component A comprises the following raw materials for preparation in parts by mass: 80-90 parts of a polyisocyanate and 10-20 parts of a polyester polyol; and the component B comprises the following raw materials for preparation in parts by mass: 10-30 parts of an amine-terminated polyether, 10-30 parts of an amino chain extender, and 40-70 parts of a ultra-tough polyether amine. The rigid and high-temperature-resistant polyurea anti-corrosion coating does comprise any added catalyst, has low requirements for the humidity of the construction environment and a good toughness, and can be used for a long time at temperatures of less than 160°C.
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Inventors:
WANG DAOQIAN (CN)
XIAO GUOLIANG (CN)
LIAN LIANYI (CN)
XIAO GUOLIANG (CN)
LIAN LIANYI (CN)
Application Number:
PCT/CN2020/093649
Publication Date:
February 18, 2021
Filing Date:
May 31, 2020
Export Citation:
Assignee:
WANG DAOQIAN (CN)
XIAO GUOLIANG (CN)
LIAN LIANYI (CN)
XIAO GUOLIANG (CN)
LIAN LIANYI (CN)
International Classes:
C09D175/02; C09D4/02; C09D4/06; C09D5/08
Foreign References:
| CN110499092A | 2019-11-26 | |||
| CN110157307A | 2019-08-23 | |||
| CN101368062A | 2009-02-18 | |||
| CN109251645A | 2019-01-22 | |||
| CN102993929A | 2013-03-27 |
Attorney, Agent or Firm:
SHANGHAI DIANWEI INTELLECTUAL PROPERTY AGENCY CO., LTD (CN)
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