Title:
POLYOL COMPOSITION AND POLYURETHANE FOAM
Document Type and Number:
Japanese Patent JP2019073687
Kind Code:
A
Abstract:
To provide a polyol composition capable of suppressing the occurrence of scorch even in the case of a large scale or in the case of decreasing the density of a foam by increasing the amount used of a foaming agent in the production of a polyurethane foam and to provide a method for producing a polyurethane foam using the same.SOLUTION: There is provided a polyol composition comprising a polyol (A) having a solubility parameter (SP value) of 8.9 to 10.5 and an antioxidant (B), wherein the total content of formaldehyde and acetaldehyde in the polyol composition is 4.0 ppm or less, the polyol composition comprises an antioxidant (B1) having an SP value with an absolute value difference from the SP value of (A) of 0.05 or more and less than 0.60 and an antioxidant (B2) having an SP value with an absolute value difference from the SP value of (A) of 0.60 or more and 1.70 or less as the antioxidant (B) and the total content of the antioxidant (B) in the polyol composition is 500 to 10000 ppm.SELECTED DRAWING: None
Inventors:
SATO SATOSHI
HIRANO TOMOHISA
HIRANO TOMOHISA
Application Number:
JP2018190647A
Publication Date:
May 16, 2019
Filing Date:
October 09, 2018
Export Citation:
Assignee:
SANYO CHEMICAL IND LTD
International Classes:
C08G18/00; C08G18/48; C08L75/08
Domestic Patent References:
| JP2008536991A | 2008-09-11 | |||
| JP2004143422A | 2004-05-20 | |||
| JP2008208264A | 2008-09-11 |