Title:
TWO-PACK TYPE COMPOSITION FOR FORMING FLEXIBLE POLYURETHANE FOAM, FLEXIBLE POLYURETHANE FOAM, AND METHOD FOR PRODUCING SAME
Document Type and Number:
WIPO Patent Application WO/2021/187070
Kind Code:
A1
Abstract:
A two-pack type composition for forming a flexible polyurethane foam, said two-pack type composition comprising a first pack liquid containing at least a polyol component and a second pack liquid containing at least a polyisocyanate component. This two-pack type composition for forming a flexible polyurethane foam additionally contains a catalyst, a foam stabilizer, a foaming agent and a phosphite antioxidant; and if the first pack liquid and the second pack liquid are mixed so as to have an NCO index of 100, the content of the phosphite antioxidant in the mixed liquid is from 50 ppm by mass to 1,100 ppm by mass relative to the total mass of the mixed liquid.
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Inventors:
ISHIBASHI KEITA (JP)
YOSHII NAOYA (JP)
YOSHII NAOYA (JP)
Application Number:
PCT/JP2021/007677
Publication Date:
September 23, 2021
Filing Date:
March 01, 2021
Export Citation:
Assignee:
TOSOH CORP (JP)
International Classes:
C08G18/00; C08G18/08; C08G18/76; C08K5/524; C08L75/04; C08G101/00
Foreign References:
| JP2017521527A | 2017-08-03 | |||
| JP2019526689A | 2019-09-19 | |||
| JP2007513232A | 2007-05-24 | |||
| JP2019506490A | 2019-03-07 | |||
| JP2003511503A | 2003-03-25 | |||
| JP2004359820A | 2004-12-24 | |||
| JPH11181428A | 1999-07-06 | |||
| JP2008536991A | 2008-09-11 |
Attorney, Agent or Firm:
HASEGAWA Yoshiki et al. (JP)
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