Title:
POLYURETHANE FOAM COMPOSITION
Document Type and Number:
WIPO Patent Application WO/2021/000287
Kind Code:
A1
Abstract:
Provided is a polyurethane foam composition, comprising (a) a first part comprising at least one polyol component having on average 2.5 to 3.2 hydroxyl groups per molecule and having a number average molecular weight of 4000-7000 g/mol; at least one blowing agent; at least one foam stabilizer; and at least one catalyst; (b) a second part comprising at least one modified polyisocyanate as a major component. Said polyurethane foam composition exhibits excellent sound absorption after being foamed and is desirably sprayable.
Inventors:
ZHAO XIUWEN (CN)
ZHANG LI (CN)
LIU GUOGUANG (CN)
SU ZHEPENG (CN)
ZHANG XIAOXING (CN)
CHEN YUYING (CN)
ZHANG LI (CN)
LIU GUOGUANG (CN)
SU ZHEPENG (CN)
ZHANG XIAOXING (CN)
CHEN YUYING (CN)
Application Number:
PCT/CN2019/094551
Publication Date:
January 07, 2021
Filing Date:
July 03, 2019
Export Citation:
Assignee:
LIMING RES AND DESIGN INSTITUTE CO LTD (CN)
HENKEL AG & CO KGAA (DE)
HENKEL CHINA CO LTD (CN)
HENKEL AG & CO KGAA (DE)
HENKEL CHINA CO LTD (CN)
International Classes:
C08G18/48; C08G18/70
Foreign References:
| CN101343416A | 2009-01-14 | |||
| CN101987883A | 2011-03-23 |
Attorney, Agent or Firm:
NTD PATENT AND TRADEMARK AGENCY LIMITED (CN)
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