Azeotrope-like compositions of 4-trifluoromethyl-1,1,1,2,2,3,3,5

Details Azeotrope-like compositions of 4-trifluoromethyl-1,1,1,2,2,3,3,5 Azeotrope-like compositions of 4-trifluoromethyl-1,1,1,2,2,3,3,5

1992-03-16

1993-07-06

Skaling, Linda D.

Compositions

Water-softening or purifying or scale-inhibiting agents

134 12, 134 31, 134 38, 134 39, 134 40, 134 42, 252153, 252162, 252170, 252172, 252364, 252DIG9, C11D 730, C11D 750, C23G 5028, B08B 300

Patent

active

052250997

ABSTRACT:
Azeotrope-like compositions comprising 4-trifluoromethyl-1,1,1,2,2,3,3,5,5,5-decafluoropentane and a second component selected from the group consisting of methanol; ethanol; 1-propanol; 2-propanol; 2-methyl-2-propanol; 2-methyl-2-butanol; n-hexane; isohexane; 2-propanone; and 2-butanone and optionally nitromethane are stable and have utility as degreasing agents and as solvents in a variety of industrial cleaning applications including cold cleaning and defluxing of printed circuit boards and dry cleaning.

REFERENCES:
patent: 5059728 (1991-10-01), Li et al.
patent: 5073288 (1991-12-01), Anton
patent: 5073290 (1991-12-01), Anton et al.
patent: 5076956 (1991-12-01), Anton
patent: 5087777 (1992-02-01), Li et al.
patent: 5118359 (1992-06-01), Li et al.
patent: 5118360 (1992-06-01), Li et al.
Chemical Abstract No. 88(5):37340d abstract of Yanagida et al "Reaction of hexafluoropropene oligomers with carboxylate anions" Tetrahedron Lett. (27) pp. 2337-2340 1977.
Chemical Abstract No. 106(5):32306c abstract of Snegireu et al "Reaction of perfluoro-2-methyl-2-pentene with o-nucleophile", Izr Akad Nauk SSSR, Ser. Khim., (1) pp. 106-119 1986.

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