Polymer compositions containing entrapped volatile ingredients

Details Polymer compositions containing entrapped volatile ingredients Polymer compositions containing entrapped volatile ingredients

1984-08-03

1987-05-12

Sneed, Helen M. S.

Compositions

Electrically conductive or emissive compositions

Metal compound containing

252 86, 252522R, 424 40, A61K 746, C11B 900

Patent

active

046648470

ABSTRACT:
A hydrophilic monomer such as hydroxypropyl methacrylate and a lipophilic monomer such as lauryl methacrylate are copolymerized in the presence of a fragrance or other volatile active ingredient. The resulting polymer contains entrapped active ingredient which tends not to exude from the polymer during storage yet is gradually released as vapor when the polymer is exposed to the atmosphere, e.g. as an air-freshener.

REFERENCES:
patent: 3567118 (1971-03-01), Shepherd et al.
patent: 3681248 (1972-08-01), Gould et al.
patent: 3966902 (1976-06-01), Chromecek

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