Aminoplast moulding materials with cured aminoplast filler

Chemistry of carbon compounds – Miscellaneous organic carbon compounds

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2601173, 260 21, C08J 900

Patent

active

039577015

ABSTRACT:
Aminoplastic moulding compositions include a filler which comprises or consists of a cured, particulate aminoplast material having a water absorption (absorbency) of at least 2.0 millilitres of water per gram; the aminoplast filler material preferably is a hydrophilic urea-formaldehyde foam, which has been disintegrated, or a particulate urea-formaldehyde material precipitated from a solution containing a wetting agent.

REFERENCES:
patent: 3038867 (1962-06-01), Czepiel
patent: 3047538 (1962-07-01), Steinmann
patent: 3637548 (1972-01-01), Standish

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