B - Operations – Transporting – 32 – B
Patent
B - Operations, Transporting
32
B
154/138
B32B 27/08 (2006.01) B32B 7/02 (2006.01) B32B 25/08 (2006.01) B32B 33/00 (2006.01) B44F 1/04 (2006.01) B44F 1/14 (2006.01) G02B 1/10 (2006.01)
Patent
CA 2029012
A transparent film of at least 10 very thin, generally parallel, layers of substantially uniform thickness is disclosed in which the contiguous adjacent layers are of different transparent thermoplastic resinous materials differing in refractive index by at least about 0.03, one of which being a thermoplastic elastomer. When two elastomers are adjacent, one segment of each are of the same polymer family. The film has increased resistance to delamination.
Cooper Scott A.
Shetty Ramakrishna S.
Mccarthy Tetrault Llp
The Engelhard Corporation
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