Flexible polyurethane foams with reduced fogging effect and poly

Details Flexible polyurethane foams with reduced fogging effect and poly Flexible polyurethane foams with reduced fogging effect and poly

1994-06-13

1997-03-04

Seidleck, James J.

Synthetic resins or natural rubbers -- part of the class 520 ser

Synthetic resins

Cellular products or processes of preparing a cellular...

4284231, 521173, 528 80, 528 83, 528 84, 528272, 568852, 568864, C08G 1814

Patent

active

056079842

ABSTRACT:
New flexible polyurethane foams are described, suitable for use in the interior linings of cars, with a reduced fogging effect, whose content by weight of the cyclic adipate of diethylene glycol, 8,13-dioxo-1,4,7-trioxacyclotridecane, is less than 0.25% and preferably less than 0.17%. Also described are polyester polyols, suitable for preparing these polyurethane foams, whose content by weight of the cyclic adipate of diethylene glycol, 8,13-dioxo-1,4,7-trioxacyclotridecane, is less than 0.4% and preferably less than 0.25%.

REFERENCES:
patent: 3391093 (1968-07-01), Frost et al.
patent: 5286761 (1994-02-01), Naujoks et al.
Diblitz, et al, "Incorporable Amine Catalysts for Flexible Foams Without Fogging", Utech '90 Proceedings, Dec. 1990), pp. 80-85.
Blundell, et al, "The Fogging Performance of Flame Retardents in Flexible Polyurethane Foam", Utech '90 Proceedings, pp. 76-79, Dec. 1990.

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