B - Operations – Transporting – 32 – B
Patent
B - Operations, Transporting
32
B
154/140, 204/96.
B32B 15/08 (2006.01) B32B 27/16 (2006.01) B32B 27/20 (2006.01) B32B 27/32 (2006.01)
Patent
CA 1299083
Abstract of the Disclosure A metallizable, sealable, biaxially stretch- oriented multi-ply film comprises a base layer essentially of polypropylene, a first polyolefinic facing layer and a second polyolefinic facing layer. All of the layers contain a neutralizing agent and a stabilizer against thermal, degradation. The neutralizing agent is a calcium carbonate having an absolute particle size of less than 10.0 µm, a mean particle size of less than 0.1 µm, a specific surface area of more than 40m2/g and a whiteness of more than 90% and, the stabilizer comprises a phenolic stabilizer having a molecular weight of more than 1,000 g/mol. One polyolefinic facing layer contains an anti-blocking agent. In addition, a process for producing the metallizable multi-ply film is described, and its use as a packaing material is indicated.
561433
Bothe Lothar
Crass Guenther
Schloegl Gunter
Wilhelm Thomas
Fetherstonhaugh & Co.
Wilhelm Thomas
LandOfFree
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