Process of making sodium perborate

Details Process of making sodium perborate Process of making sodium perborate

1980-04-16

1981-11-03

Peters, G. O.

Chemistry of inorganic compounds

Boron or compound thereof

Oxygen containing

423268, 423281, C01B 1512

Patent

active

042985854

ABSTRACT:
In a process of making sodium perborate, crystallization is performed in the presence of an organic polymer with a high potential content of free carboxylic groups derived from maleic anhydride, selected from the copolymers of maleic anhydride with an organic compound with an ethylene bond. The process is applicable to obtaining sodium perborate crystals of high apparent density of good resistance to abrasion and of limited, relatively high granulometric size.

REFERENCES:
patent: 3883640 (1975-05-01), Smart
patent: 3983223 (1976-09-01), Janzon et al.
patent: 4071462 (1978-01-01), Matsunaga et al.
patent: 4118465 (1978-10-01), Malfosse
patent: 4131562 (1978-12-01), Lutz
patent: 4215097 (1980-07-01), Brichard et al.

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