Laminated film

Details Laminated film Laminated film

B - Operations, Transporting

32

B

154/140

B32B 27/32 (2006.01) B32B 27/28 (2006.01)

Patent

CA 1300476

Abstract of the Disclosure A laminated film comprising (A) a layer of a polymer of 4-methyl-1-pentene, (B) an interlayer of a mixture of (a) a polymer of 4-methyl-1-pentene and (b) an alpha-olefin copolymer comprising 10 to 85 mole % of propylene units, 3 to 60 mole % of 1-butene units and 10 to 85 mole % of units of an alpha- olefin having at least 5 carbon atoms, the proportions being based on the total amount of the propylene units, the 1-butene units and the other alpha-olefin units, having a crystal- linity, determined by X-ray diffractometry, of not more than 20 %, and (C) a layer of a polyolefin derived from an alpha-olefin having 2 to 4 carbon atoms, as a main component, the layers (A), (B) and (C) being laminated in the order stated.

601368

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