Recycling of cured aminoplast resins

Details Recycling of cured aminoplast resins Recycling of cured aminoplast resins

1994-02-15

1994-10-18

Foelak, Morton

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

Synthetic resins

Process of treating scrap or waste product containing solid...

528266, C08J 1104

Patent

active

053569385

ABSTRACT:
Cured aminoplast resins are recycled by a process in which said resins, which may contain fillers, are treated with an aqueous sulfite, hydrogen sulfite or disulfite solution and the resulting low molecular weight degradation products are used in chemical processes. The resulting low molecular weight degradation products of cured aminoplast resins are used for coating moldings, for tanning leather and skins and for the production of moldings which contain cured aminoplast resins or consist thereof.

REFERENCES:
patent: 4088620 (1978-05-01), Hihongi et al.
patent: 4202959 (1980-05-01), Henbest et al.
patent: 4543364 (1985-09-01), Nawkee
patent: 5192809 (1993-03-01), Jones

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