Useful solutions of the tetramethylol derivative of 4,4'iso-prop

Details Useful solutions of the tetramethylol derivative of 4,4'iso-prop Useful solutions of the tetramethylol derivative of 4,4'iso-prop

1982-08-16

1983-07-05

Foelak, Morton

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

Synthetic resins

Processes of preparing a desired or intentional composition...

521133, 521180, 521 54, 523219, 525502, 528159, C08J 932

Patent

active

043919294

ABSTRACT:
The tetramethylol derivative of 4,4'iso-propylidenediphenol is dissolved in a solution of water and ethylene or propylene carbonate to yield concentrated solutions of the derivative in a form which may readily be used in the manufacture of foams or used as a liquid binder for molded ceiling products. Based on 100 parts by weight of the tertramethylol derivative, these solutions contain from about 15 to about 35 parts by weight of water and from about 5 to about 30 parts by weight of ethylene carbonate or propylene carbonate, with the total parts by weight of the water and carbonate varying from about 40 to about 45.

REFERENCES:
patent: 2912395 (1959-10-01), Graham
patent: 4033910 (1977-07-01), Papa
patent: 4112188 (1978-09-01), Dahms
patent: 4131582 (1978-12-01), Kako et al.
patent: 4260730 (1981-04-01), Sekomakos et al.
patent: 4357457 (1982-11-01), Harris

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