Method for preparing hexamethylcyclotrisiloxane and uses for the

Details Method for preparing hexamethylcyclotrisiloxane and uses for the Method for preparing hexamethylcyclotrisiloxane and uses for the

1984-05-25

1989-09-05

Shaver, Paul F.

Drug, bio-affecting and body treating compositions

Deodorants

Deodorizing substance is evaporable sublimable or gas

424 762, A61L 901

Patent

active

048637238

ABSTRACT:
Hexamethylcyclotrisiloxane is prepared by heating linear, branched, or cross-linked organopolysiloxanes containing at least 50 mol percent of dimethylsiloxane units to at least 350.degree. C. in the absence of substances which attack the siloxane group during heating and simultaneously distilling off the cyclic dimethylpolysiloxanes thus formed.
The hexamethylcyclotrisiloxane thus prepared is an excellent carrier for fragrant materials, especially where the carrier is present in admixture with other carrier substances such as tetramethylcyclobutanedione.

REFERENCES:
patent: 4544719 (1985-10-01), Ochsner
patent: 4572795 (1986-02-01), Kaiser et al.
patent: 4620023 (1986-10-01), Kreuger et al.
patent: 4622221 (1986-11-01), Schleppnik

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