Method for the preparation of non-blocking adhesive coated...

C - Chemistry – Metallurgy – 09 – J

Patent

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Details

C09J 7/04 (2006.01) B05D 5/10 (2006.01) B32B 7/12 (2006.01) B32B 29/00 (2006.01) C09J 7/02 (2006.01)

Patent

CA 2403640

The present invention relates to a method of preparing adhesive coated articles and cold seal bonded laminates therefrom. Specifically, it relates to a method wherein certain polychloroprene based adhesive compositions are used to form adhesive coated substrates that are non-blocking and pressure sealable at ambient temperature. In a preferred embodiment, the invention relates to a method for the preparation of coated substrates and articles that are particularly useful for the manufacture of medical packaging and tamper evident applications.

La présente invention concerne un procédé de préparation d'articles revêtus d'adhésif et de stratifiés collés par soudage à froid en découlant. Spécifiquement, l'invention a trait à un procédé dans lequel certaines compositions d'adhésif à base de polychloroprène sont utilisées pour former des substrats revêtus d'adhésif lesquels sont non bloquants et soudables sous pression à température ambiante. Dans un mode de réalisation préféré, l'invention a trait à un procédé de préparation de substrats et d'articles enduits lesquels sont particulièrement utiles dans la production de conditionnements médicaux et dans des applications d'inviolabilité.

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