Multi-layer laminates with films embossed on one side, based...

Details Multi-layer laminates with films embossed on one side, based... Multi-layer laminates with films embossed on one side, based...

B - Operations, Transporting

29

C

B29C 59/04 (2006.01)

Patent

CA 2581791

The invention relates to an embossing process for the production of a film structured on one side based on partially acetalated polyvinyl alcohol with roughnesses of the embossed surfaces R z = 20 to 80 µm by embossing one side of the film between correspondingly roughened embossing rollers and pressing rollers with a certain Shore A hardness. The temperature of the film and the rollers is adjusted in order to fix the structure.

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