Adhesive precursor

C - Chemistry – Metallurgy – 09 – J

Patent

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Details

C09J 167/00 (2006.01) C09J 5/00 (2006.01)

Patent

CA 2685846

A process is provided for bonding a substrate to a material using an adhesive precursor comprising a reactive mixture which is reacted to form an adhesive as a product of ester condensation. The reactive mixture includes a monomer mixture comprising at least one polyhydric alcohol and a reactant selected from the group consisting of at least one organic polyacid; at least one organic anhydride; and combinations thereof. Alternatively, the reactive mixture comprises a prepolymer formed from the monomer mixture; a combination of the prepolymer and the monomer mixture; or a combination of the prepolymer and reactants such as polyhydric alcohol, organic polyacid, organic anhydride, and combinations thereof.

Un procédé permet de lier un substrat à un matériau utilisant un précurseur adhésif qui comprend un mélange réactif qui est mis en réaction pour former un adhésif en tant que produit d'une condensation d'esters. Le mélange réactionnel comprend un mélange de monomères qui comprend au moins un alcool polyhydrique et un réactif choisi dans le groupe constitué d'au moins un polyacide organique ; au moins un anhydride organique ; et leurs mélanges. En variante, le mélange réactionnel comprend un prépolymère formé à partir du mélange de monomères ; un mélange du prépolymère et du mélange de monomères ; ou un mélange du prépolymère et de réactifs tels qu'un alcool polyhydrique, un polyacide organique, un anhydride organique et leurs mélanges.

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