Process for preparing a laminate

Details Process for preparing a laminate Process for preparing a laminate

B - Operations, Transporting

32

B

B32B 7/12 (2006.01) B29D 35/14 (2010.01) B29C 45/14 (2006.01) B32B 27/06 (2006.01) B32B 27/24 (2006.01) B32B 27/32 (2006.01) C09J 151/06 (2006.01)

Patent

CA 2237579

A process for preparing a laminate comprising a first substrate (I) and a second substrate (II) which comprises an ethylene or propylene polymer and which is bonded to the first substrate by means of a polymeric adhesive, wherein the process comprises the steps of: A) applying to the first substrate (I) a primer comprising an organic solvent and an ethylene or propylene polymer having grafted thereto an unsaturated carboxylic acid or an anhydride, ester, amide, imide or metal salt thereof, and B) injection molding an ethylene or propylene polymer and optional additives onto the primed substrate (I).

Procédé de préparation d'un laminé comprenant un premier substrat (I), et un second substrat (II) qui renferme un polymère d'éthylène ou de propylène qui est lié au premier substrat par un adhésif polymère. Le procédé consiste à: A) appliquer sur le premier substrat (I) une couche de fond comprenant un solvant organique et un polymère d'éthylène ou de propylène sur lequel est greffé un acide carboxylique insaturé ou un anhydre, ester, amide, imide ou sel métallique de celui-ci, et B) mouler par injection un polymère d'éthylène ou de propylène et d'éventuels additifs dérivés sur le substrat (I) revêtu d'une couche de fond.

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