B - Operations – Transporting – 32 – B
Patent
B - Operations, Transporting
32
B
B32B 1/08 (2006.01) B32B 37/12 (2006.01)
Patent
CA 2752717
A process of bonding a metal substrate to a non-halogenated polymer, especially of bonding a polyolefin overcoat to a metallic tube or pipe, using an epoxy-based adhesive which comprises at least one salt of a metal ion M in an oxidation state of n which has a standard reduction potential E0M more positive than the standard reduction potential of the surface of the metal substrate; an object comprising a metal substrate and a non-halogenated polymer bonded together by this process; a tube or pipe made of a metal substrate onto which a layer of a non-halogenated polymer is bonded by a cured epoxy-based adhesive.
L'invention concerne un procédé de liaison d'un substrat de métal à un polymère non halogéné, et en particulier de liaison d'une couche de finition de polyoléfine sur un tube ou un tuyau métallique, en utilisant un adhésif à base d'époxy comprenant au moins un sel d'un ion métallique M dans un état d'oxydation de n ayant un potentiel de réduction standard E0 M plus positif que le potentiel de réduction standard de la surface du substrat métallique ; un objet comprenant un substrat métallique et un polymère non halogéné liés ensemble par ce procédé ; un tube ou un tuyau constitué d'un substrat métallique sur lequel une couche de polymère non halogéné est liée par un adhésif durci à base d'époxy.
Bankmann Dennis
Barriau Emilie
Doherty Michael
Farrell David
Kopannia Siegfried
Henkel Ag & Co. Kgaa
Loctite (r&d) Limited
Norton Rose Or S.e.n.c.r.l. S.r.l./llp
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