Azeotropic composition of 1-chloro-1,2,2,2-tetrafluoroethane and

Compositions – Water-softening or purifying or scale-inhibiting agents

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Details

252 67, 252305, 252364, 252DIG9, 252DIG5, 521 98, 521131, 521181, 521910, C09D 900, C09K 504

Patent

active

050613944

ABSTRACT:
The azeotrope of 1-chloro-1,2,2,2-tetrafluoroethane and dimethyl ether is useful as a refrigerant, aerosol propellant and polymer foam blowing agent.

REFERENCES:
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patent: 4062795 (1977-12-01), Hutchinson
patent: 4482465 (1984-11-01), Gray
patent: 4543202 (1985-09-01), Bartlett et al.
patent: 4585577 (1986-04-01), Bartlett et al.
patent: 4595522 (1986-06-01), Bartlett et al.
patent: 4612133 (1986-09-01), Bertocchio et al.
patent: 4783276 (1988-11-01), Bohnenn
L. Bohnenn, "Update and Review of DME Propellant 1986," Aerosol Report, vol. 25, No. 3/86, Dupont Dymel Product Literature.

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