Silicone containing laminate adhesive

B - Operations – Transporting – 32 – B

Patent

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Details

B32B 7/12 (2006.01) B32B 27/08 (2006.01) B65B 55/00 (2006.01) C08F 230/08 (2006.01) C09J 4/00 (2006.01)

Patent

CA 2278032

The invention is a laminate structure made by coating at least one side of a substrate with a laminating adhesive, bringing a coated side of said substrate into contact with a second substrate to form a multi- layer film, and treating said multi-layer film with a free radical initiator, wherein said laminating adhesive is the reaction product of a multifunctional acrylate, an aminofunctional silane, and an ethylenically unsaturated acid, optionally dissolved in a solvent, wherein the multifunctional acrylate has a molecular weight of from 100 to 300.

L'invention concerne une structure stratifiée que l'on obtient en revêtant d'un adhésif de stratification au moins un côté d'un substrat, en mettant en contact ce côté revêtu du substrat avec un second substrat, afin de former un film multicouche, puis en traitant ce film multicouche avec un amorceur radicalaire, l'invention étant caractérisée en ce que l'adhésif de stratification est le produit de réaction d'un acrylate polyvalent, d'un silane aminofonctionnel, et d'un acide insaturé sur le plan éthylénique, éventuellement dissous dans un solvant, et en ce que l'acrylate polyvalent possède un poids moléculaire compris entre 100 et 3000.

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