Sulphur dioxide release coatings

Details Sulphur dioxide release coatings Sulphur dioxide release coatings

A - Human Necessities

23

B

A23B 4/16 (2006.01) A23B 4/10 (2006.01) A23B 7/144 (2006.01) A23B 7/152 (2006.01) A23B 7/16 (2006.01) A23L 3/3409 (2006.01) B65B 31/00 (2006.01) B65B 55/00 (2006.01)

Patent

CA 2508706

There is disclosed a sulphur dioxide releasing film comprising: a hydrophilic polymer which is swellable upon contact with moisture; calcium sulphite or sodium sulphite; and a latent acidulant.

L'invention concerne un film libérant du dioxyde de soufre, qui comprend : un polymère hydrophile pouvant gonfler au contact de l'humidité, du sulfite de calcium ou du sulfite de sodium et un acidulant latent.

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