Hemi-formals of methylolated phenols

Details Hemi-formals of methylolated phenols Hemi-formals of methylolated phenols

1982-01-19

1984-02-21

Michl, Paul R.

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

Synthetic resins

From phenol, phenol ether, or inorganic phenolate

528155, 568592, 568593, C08G 810

Patent

active

044331290

ABSTRACT:
This invention is directed to hemi-formals having the following formulas: ##STR1## wherein b is 1 to about 5, c is 1 to about 3, d is 0 to about 2, the sum of c and d does not exceed 3 and is equal to or greater than 1 and n has a value equal to or greater than 1. These materials can be used to manufacture phenolic resins and are adaptable to liquid injection molding processes.

REFERENCES:
patent: 2609352 (1952-09-01), Kvalnes
patent: 2894931 (1959-07-01), Sommerville
Walker, Formaldehyde, 3rd Edition, Reinhold Publishing Corp., New York (1964), pp. 305-306.
Bakeland and Bender "Industrial and Engineering Chemistry," vol. 17, No. 3, pp. 225-237 (1925).
Strupinskaya et al., Plast. Massy 1968 (12) pp. 18-20.

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