Laminating film without a release layer, process for the...

Details Laminating film without a release layer, process for the... Laminating film without a release layer, process for the...

B - Operations, Transporting

32

B

B32B 27/40 (2006.01)

Patent

CA 2181116

Film of at least two layers having at least one side softening at a lower temperature and at least one side softening at a higher temperature, wherein the higher-softening side substantially consists of a thermpolastic polyurethane which softens at above 100°C on a Kofler hot bench and the median of the softening range is at least 15°C above that of the lower-softening layer and the matrix component of the lower- softening side consists of at least one hot-bonding thermoplastic material from the group comprising polyamides, polyesters and polyurethanes having a median of thesoftening range on a Kofler hot bench of below 100°C and at least one thermoplastic additive component containing hydrocarbon is added to the lower-softening layer.

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