Poly(ethylene oxide) compositions with controlled solubility cha

Details Poly(ethylene oxide) compositions with controlled solubility cha Poly(ethylene oxide) compositions with controlled solubility cha

1980-05-28

1982-01-12

Nielsen, Earl A.

Compositions

Water-softening or purifying or scale-inhibiting agents

252174, 25217423, 260 37AL, 525 3, C11D 183, C11D 337

Patent

active

043104347

ABSTRACT:
Solid cake compositions comprising poly(ethylene oxide), surfactant and water-soluble salt. The compositions have controlled solubility characteristics, thereby reducing the tendency of the resin to form a gel when the cake is contacted with water. The cakes are useful in dispensers which are employed in the flush tank of a toilet to automatically dispense chemicals to the flush water.

REFERENCES:
patent: 3331780 (1967-07-01), Krusius
patent: 3897357 (1975-07-01), Carmello et al.
patent: 3936385 (1976-02-01), Cheng
patent: 3944663 (1976-03-01), Weiss et al.
patent: 3959176 (1976-05-01), Mahn et al.
patent: 4119578 (1978-10-01), Daeninckx et al.
patent: 4148743 (1979-04-01), Schubert
Union Carbide, Bulletin F-42933, pp. 3-10, Union Carbide Corp., New York, 1970.
Union Carbide, Bulletin 40246-C, pp. 1-21, Union Carbide Corp., New York, 1964.
Union Carbide, "Poly OX", pp. 9 & 10, Union Carbide Corp., New York, 1973.

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