Saline solution for frozen foam

Details Saline solution for frozen foam Saline solution for frozen foam

1988-02-19

1989-01-10

Van Balen, William J.

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

Synthetic resins

Cellular products or processes of preparing a cellular...

264 28, 521 55, 521918, 4283202, C08J 936

Patent

active

047974249

ABSTRACT:
A frozen open-celled material is prepared by saturating the material with a solution of 30 to 60 grams of salt to one liter of water. Preferably from 40 to 50 grams of salt to one liter of water. The saturated material, preferably open-celled polyurethane foam, is then frozen. Deterioration of the foam which occurs when plain water is used is essentially eliminated.

REFERENCES:
patent: 2354744 (1944-08-01), Dreyfus
patent: 3535143 (1970-10-01), Shkapenko et al.
patent: 4641655 (1987-02-01), Abt

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