Title:
ALIPHATIC POLYISOCYANATE COMPOSITION, PREPARARION METHOD THEREFOR, AND COATING COMPOSITION
Document Type and Number:
WIPO Patent Application WO/2021/088416
Kind Code:
A1
Abstract:
Disclosed is an aliphatic polyisocyanate composition, wherein the molar ratio of an iminooxadiazinedione structure to an isocyanurate structure is 0.01-0.8 : 1, and the molar ratio of an iminooxadiazinedione structure in a polymer larger than three molecules to the iminooxadiazinedione structure in the composition is 0.2-0.8 : 1. Provided are a method for preparing the aliphatic polyisocyanate composition, and a coating composition. The aliphatic polyisocyanate composition has both a lower viscosity and a better crosslinking property. The composition can significantly reduce the usage amount of a solvent when used in a coating composition, is more environmentally friendly and also has a better paint film property. The preparation method has a simple process and mild conditions, is easy to operate and control, and is suitable for industrial scale production.
Inventors:
QIU HUAMIN (CN)
FU SHUAI (CN)
WANG JIAFA (CN)
ZHOU JIANQIANG (CN)
WANG QINGYI (CN)
ZHOU YUN (CN)
HUANG CHANGRONG (CN)
LI JING (CN)
FU SHUAI (CN)
WANG JIAFA (CN)
ZHOU JIANQIANG (CN)
WANG QINGYI (CN)
ZHOU YUN (CN)
HUANG CHANGRONG (CN)
LI JING (CN)
Application Number:
PCT/CN2020/103277
Publication Date:
May 14, 2021
Filing Date:
July 21, 2020
Export Citation:
Assignee:
WANHUA CHEMICAL GROUP CO LTD (CN)
International Classes:
C08G18/79; C08G18/73; C09D175/04
Domestic Patent References:
| WO2007046470A1 | 2007-04-26 |
Foreign References:
| CN110790895A | 2020-02-14 | |||
| CN110156956A | 2019-08-23 | |||
| CN106604944A | 2017-04-26 | |||
| CN1757639A | 2006-04-12 | |||
| US5914383A | 1999-06-22 | |||
| CN106604944A | 2017-04-26 | |||
| CN101165048A | 2008-04-23 |
Attorney, Agent or Firm:
SINO-CREATIVITY INTELLECTUAL PROPERTY LAW FIRM (CN)
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