Aminoplast foams

Details Aminoplast foams Aminoplast foams

1981-10-19

1982-10-26

Foelak, Morton

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

Synthetic resins

Cellular products or processes of preparing a cellular...

521188, 528 44, 528 59, 528259, 528264, C08L 6100, C08G 1212

Patent

active

043562752

ABSTRACT:
Aminoplast foams of hardened reaction products of aldehydes and at least bifunctional modified .alpha.,.omega.-ureas which contain at least one ether, thioether, acetal, ester, ester amide and/or carbonate group and have a molecular weight of from 200 to 10,000.

REFERENCES:
patent: 2906717 (1959-09-01), Sekmakas
patent: 3021307 (1962-02-01), Csendes
patent: 3427272 (1969-02-01), Bolinger et al.
patent: 3931112 (1976-01-01), Wagner et al.

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