Carrier film backed with composite film

Details Carrier film backed with composite film Carrier film backed with composite film

B - Operations, Transporting

32

B

154/140

B32B 1/08 (2006.01) B32B 27/08 (2006.01)

Patent

CA 1223514

ABSTRACT OF THE DISCLOSURE A multilayer film consists of a support film and a blown, coextruded composite film which is joined to the support films by means of an adhesive and is heat bonded into a tube. The layers of the composite film consist of polyethylenes or polyethylene copolymers of different mechanical shock resistance. at least one of the polyethylenes of polyethylene copolymers has a mechanical shock resistance of more than 100 cN. The composite film heat bonded into a tube, has two outer layers of corresponding material and thickness and two inner layers of corresponding material thickness. The inner layers are connected by heat bonding and the outer layers are connected to the inner layers by melt bonding.

440007

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