Recycling of cured aminoplast resins

Details Recycling of cured aminoplast resins Recycling of cured aminoplast resins

1994-05-20

1995-01-17

Foelak, Morton

Stock material or miscellaneous articles

Composite

428540, B32B 904, C14C 900

Patent

active

053824768

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: 4543364 (1985-09-01), Ivankee
patent: 5192809 (1993-03-01), Jones

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