POLYURETHANE COMPOSITIONS, PRODUCTS PREPARED WITH SAME AND PREPARATION METHODS THEREOF

Title:

POLYURETHANE COMPOSITIONS, PRODUCTS PREPARED WITH SAME AND PREPARATION METHODS THEREOF

Document Type and Number:

WIPO Patent Application WO/2021/195824

Kind Code:

A1

Abstract:

A polyurethane composition is provided. The polyurethane composition comprises one polyisocyanate component comprising at least one aromatic polyisocyanate compound and/or isocyanate end-capped prepolymer formed by the reaction of said at least one aromatic polyisocyanate compound and at least one first polyol; at least one second polyol; and a crosslinker having at least one nitrogen atom and at least one secondary and/or tertiary hydroxyl group. The polyurethane product prepared by using the polyurethane composition can achieve improved operation time, aging resistance, weathering resistance, color stability, processability, and storage stability. A method for preparing the polyurethane product and a method for improving the performance property of the polyurethane product are also provided.

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Inventors:

FAN YANBIN (CN)
NIE DEWEN (CN)
ZHANG PING (CN)
FENG SHAOGUANG (CN)

Application Number:

PCT/CN2020/081994

Publication Date:

October 07, 2021

Filing Date:

March 30, 2020

Export Citation:

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Assignee:

DOW GLOBAL TECHNOLOGIES LLC (US)
FAN YANBIN (CN)
NIE DEWEN (CN)
ZHANG PING (CN)
FENG SHAOGUANG (CN)

International Classes:

C08G18/32; C08G18/76; C08K5/37; C08K5/524

Domestic Patent References:

WO2019018142A1

2019-01-24

Foreign References:

CN103436004A	2013-12-11
CN106832188A	2017-06-13
CN107163215A	2017-09-15
CN107903380A	2018-04-13
CN110305291A	2019-10-08
JP2001089547A	2001-04-03
KR101329058B1	2013-11-14
JPS6155112A	1986-03-19
CN109929089A	2019-06-25
US4064157A	1977-12-20
CN110964173A	2020-04-07

Other References: