Azeotropic solvent composition

Details Azeotropic solvent composition Azeotropic solvent composition

1989-01-18

1990-11-27

Lieberman, Paul

Compositions

Water-softening or purifying or scale-inhibiting agents

252162, 252170, 252364, 252DIG9, C11D 730, C11D 750

Patent

active

049734210

ABSTRACT:
An azeotropic solvent composition which comprises an azeotropic mixture of 77% by weight of Flon-113 and 23% by weight of cyclopentane. The composition can decrease the amount of 1,1,2-trichloro-1,2,2-trifluoroethane excellent in power for dissolving fats and oil, grease, and particularly, waxes used for temporarily fixing silicon wafers, quartz, ceramics without erosion of materials made of plastics and rubbers, and it is easy to control the liquid composition and easy to recover and reuse the composition.

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patent: 4517108 (1985-05-01), Hisamoto et al.
patent: 4599187 (1986-07-01), Hey

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