C - Chemistry – Metallurgy – 08 – F
Patent
C - Chemistry, Metallurgy
08
F
C08F 283/00 (2006.01) C08F 290/06 (2006.01) C08F 291/00 (2006.01) G03F 7/00 (2006.01) G03F 7/027 (2006.01) G03F 7/038 (2006.01)
Patent
CA 2550008
A method for producing a low-extractable film packaging from an actinic radiation curable homogeneous aqueous composition containing a water soluble compound having at least one .alpha., .beta.-ethylenically unsatured, radiation polymerizable group and water as essential components carried out by applying the aqueous composition to a surface which is then irradiated with actinic radiation in the presence of the water thereby forming a cured film wherein less than 50 ppb of the water soluble compound or its residual components are extractable by a food simulant.
L'invention concerne un procédé de production d'un film d'emballage faiblement extractible à partir d'une composition aqueuse durcissable par rayonnement actinique contenant un composé soluble dans l'eau ayant au moins un groupe polymérisable par rayonnement éthyléniquement insaturé en position a, .szlig. et de l'eau comme composants essentiels, que l'on réalise en appliquant la composition aqueuse sur une surface que l'on soumet ensuite à un rayonnement actinique en présence de l'eau, pour former un film durci dans lequel 50 ppb au maximum du composé soluble dans l'eau ou l'on extrait ses composants résiduels par un simulant alimentaire.
Biro David
Chatterjee Subhankar
Laksin Mikhail
Turgis Jean Dominique
Mccarthy Tetrault Llp
Sun Chemical Corporation
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