Rigid polyurethane foam and heat insulator obtained therefrom

Details Rigid polyurethane foam and heat insulator obtained therefrom Rigid polyurethane foam and heat insulator obtained therefrom

1990-12-19

1992-12-22

Kight, III, John

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

Synthetic resins

Cellular products or processes of preparing a cellular...

521 50, 521155, 521157, 521163, 521164, 521177, C08G 1800

Patent

active

051735172

ABSTRACT:
A rigid polyurethane foam obtained by foaming a special polyol component and an isocyanate component using only water as a blowing agent has balanced excellent properties including a remarkably low density and a low thermal conductivity and is suitable for use as a heat insulator, particularly in a refrigerator.

REFERENCES:
patent: 5008297 (1991-04-01), Maruyama et al.

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