Granules of salts of poly-.alpha.-hydroxyacrylic acids and a pro

Details Granules of salts of poly-.alpha.-hydroxyacrylic acids and a pro Granules of salts of poly-.alpha.-hydroxyacrylic acids and a pro

1975-06-10

1977-01-25

Killos, Paul J.

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

C-metal

C07C 5917

Patent

active

040051366

ABSTRACT:
Granules of ammonium or alkali metal poly-.alpha.-hydroxyacrylates having an apparent specific gravity of between 0.35 and 0.55 kg/dm.sup.3 and an ability to flow, expressed by the time taken for a weight of 250 g to flow through the 16 mm diameter orifice of an analysis funnel with a short stem, not exceeding 10 seconds are disclosed. The granules are prepared by agglomerating solid particles of small dimensions by spraying them in a fluid bed with a solution of poly-.alpha.-hydroxyacrylate.

REFERENCES:
patent: 3706672 (1972-12-01), Martin
patent: 3758419 (1973-09-01), Hayden

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