Block-form detergent free from alkali hydroxides for use in dish

Details Block-form detergent free from alkali hydroxides for use in dish Block-form detergent free from alkali hydroxides for use in dish

1986-05-29

1987-09-01

Barr, Josephine L.

Compositions

Electrolytes for electrical devices

252102, 252135, 252174, C11D 718

Patent

active

046907700

ABSTRACT:
A block-form detergent free of alkali metal hydroxides for use in dishwashing machines which contain from 65 to 85% by weight to a mixture of anhydrous sodium metasilicate and anhydrous pentasodium triphosphate in a ratio of from 1:1 to 1:2 and from 0.2 to 4% by weight of uniformly distributed active chlorine donors which are, for example, trichloroisocyanuric acid. The production process comprises heating sodium metasilicate to 45.degree. to 55.degree. C. to obtain a clear melt and then adding other constituents, the pentasodium triphosphate and the active chlorine donor being added last, and pouring the melt into flexible molds in which it is left to solidify into blocks. The detergents are stable for storage with good dissolving power.

REFERENCES:
patent: 2412819 (1946-12-01), MacMahon
patent: 3390092 (1968-06-01), Keast et al.
patent: 3816320 (1974-06-01), Corliss
patent: 3933670 (1976-01-01), Brill et al.
patent: 3936386 (1976-02-01), Corliss et al.
patent: 4083795 (1978-04-01), Joubert
patent: 4219436 (1980-08-01), Gromer et al.

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