Process for manufacturing modified amino-resin products

Details Process for manufacturing modified amino-resin products Process for manufacturing modified amino-resin products

1982-02-26

1984-10-30

Foelak, Morton

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

Synthetic resins

Cellular products or processes of preparing a cellular...

521121, 521130, 521180, 521181, 521187, 521188, 528144, 528161, 528164, C08J 930

Patent

active

044800550

ABSTRACT:
Amino-resin products, which include aminoplast foams, can be modified by reacting an aminoplast precondensate, which contains an excess of formaldehyde or to which supplemental formaldehyde or another lower monoaldehyde or dialdehyde has been added before processing, with a hardening agent or with a solution of hardening agent, surfactant, and foamer in the presence of an additive that consists of one or more mononuclear or binuclear phenols, phenolic ethers, or acenaphthene derivatives with the overall formulas ##STR1## in which X is H, OH, SO.sub.3 H, Cl, CH.sub.3, or C.sub.2 H.sub.5 and

REFERENCES:
patent: 4239881 (1980-12-01), Hasselman, Jr.
patent: 4345061 (1982-08-01), Hasselman, Jr.

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