Absorbent material and uses thereof

B - Operations – Transporting – 01 – J

Patent

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Details

B01J 20/22 (2006.01) A23L 3/3427 (2006.01) B01J 20/26 (2006.01) B01J 20/28 (2006.01) B65D 81/26 (2006.01) C08K 5/00 (2006.01) C08K 5/3477 (2006.01)

Patent

CA 2066456

The present invention provides a composition for absorbing ethylene and other unsaturated compounds. The composition comprises electron-deficient dienes or trienes incorporated in an ethylene-permeable substrate. In a preferred form the composition comprises tetrazine dicarboxyoctyl ester in an ethylene-permeable, hydrophobic polymeric substrate. In a preferred form the composition is cast as a thin film suitable for wrapping and/or packaging. The present invention also provides a method of retarding the ripening or senescence of fruit and other plant material comprising confining the fruit or plant material in an ambient atmosphere subject to the ethylene-absorbing action of a composition comprising an electron-deficient diene or triene incorporated in an ethylene-permeable substrate.

L'invention se rapporte à une composition absorbant l'éthylène et d'autres composés non saturés. Cette composition contient des diènes ou triènes appauvris en électrons, qui sont incorporés dans un substrat perméable à l'éthylène. Dans un mode de réalisation préféré, cette composition comporte un ester dicarboxyoctyle de tétrazine dans un substrat polymère hydrophobe perméable à l'éthylène. Dans un mode de réalisation préféré, la composition est moulée sous la forme d'un mince film d'enveloppement et/ou d'emballage. L'invention se rapporte également à un procédé qui permet de retarder la maturation ou la sénescence de fruits et d'autres substances végétales et qui consiste à confiner le fruit ou la substance végétale dans une atmosphère ambiante soumise à l'action d'absorption de l'éthylène d'une composition contenant un diène ou triène appauvri en électrons qui est incorporé dans un substrat perméable à l'éthylène.

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