Antifog film laminates

Details Antifog film laminates Antifog film laminates

B - Operations, Transporting

32

B

B32B 27/32 (2006.01) B29C 47/04 (2006.01) B32B 27/08 (2006.01) B32B 31/28 (1990.01)

Patent

CA 2109978

A laminate comprises a first substrate including a first layer of a blend of a polyolefin and an antifogging agent, and a bonding layer of polyolefin, preferably an ethylene unsatu- rated ester copolymer or low density polyethylene; a second substrate bonded to the bonding layer of the first substrate and comprising polyester or nylon; and a conventional adhesive between the first and second substrates; the bonding layer pre-treated by corona discharge before wind-up, and again treated by corona discharge before lamination. The laminates of the present invention exhibit much improved bond strength compared with conventional laminates.

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