Reactive coextrusion of functionalized polymers

Details Reactive coextrusion of functionalized polymers Reactive coextrusion of functionalized polymers

B - Operations, Transporting

29

C

18/783

B29C 47/06 (2006.01) B32B 7/10 (2006.01) C08J 5/12 (2006.01)

Patent

CA 1290122

ABSTRACT A method for preparing a polymeric laminate by the reactive coextrusion of functionalized polymers wherein at least one layer is a polymer having functional groups and the adjacent layer is a polymer having coreactive groups which form covalent bonds with the functional groups at the interfacial surfaces. One such functional group can comprise a pendant cyclic imino ether group to form covalent bonds with the coreactive groups. An improved laminate having a plurality of layers covalently bonded together through the interaction of pendant cyclic imino ether groups and coreactive groups is also provided.

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