Title:
COMPOSITIONS AND METHODS FOR PREPARING SELF-CRUSHABLE VISCOELASTIC POLYURETHANE FOAM
Document Type and Number:
WIPO Patent Application WO/2024/026813
Kind Code:
A1
Abstract:
Polyurethane foam compositions include a reaction product of: an isocyanate component including one or more isocyanate compound, and an isocyanate-reactive component containing: an ethylene oxide-rich (EO-rich) polyether polyol at a percent by weight (wt%) of 10 wt% to 35 wt%; a propylene oxide-rich (PO-rich) polyether polyol at a percent by weight (wt%) of 30 wt% to 80 wt%; and a polyester polyol at a percent by weight (wt%) of 10 wt% to 35 wt%, polyester polyol based on reaction product of an aromatic diacid or alkyl diacid and a polyol having an OH functionality 2 to 4.
Inventors:
ZHANG DEGANG (CN)
LOTTI LUCA (IT)
LOTTI LUCA (IT)
Application Number:
PCT/CN2022/110458
Publication Date:
February 08, 2024
Filing Date:
August 05, 2022
Export Citation:
Assignee:
DOW GLOBAL TECHNOLOGIES LLC (US)
ZHANG DEGANG (CN)
LOTTI LUCA (IT)
ZHANG DEGANG (CN)
LOTTI LUCA (IT)
International Classes:
C08G18/20; C08G18/40; C08G18/42; C08G18/48; C08G18/76; C08G18/79
Foreign References:
| US20190169350A1 | 2019-06-06 | |||
| DE10044712A1 | 2002-03-21 |
Attorney, Agent or Firm:
SHANGHAI PATENT & TRADEMARK LAW OFFICE, LLC (CN)
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