Title:
MULTILAYER SHRINK FILM WITH POLYSTYRENE AND PLYETHYLENE LAYERS
Document Type and Number:
WIPO Patent Application WO2004052636
Kind Code:
A3
Abstract:
A multilayer shrink film and methods of making same comprising one or more polyethylenic layers, one or more polystyrenic layer and polystyrene compatibilizing layers situate between each polyethylenic layer and polystyrenic layer wherein the polystyrene compatibilizing layers comprise less than 1 % by weight substantially random interpolymer. The multilayer shrink films of the invention are produced using film biaxial orienting means.
Inventors:
TAGHAVI SHANE (CA)
Application Number:
PCT/US2003/039137
Publication Date:
December 29, 2004
Filing Date:
December 10, 2003
Export Citation:
Assignee:
IPG TECHNOLOGIES INC (US)
International Classes:
B29C48/08; B29C48/10; B29C55/02; B29C55/16; B32B7/02; B32B27/00; B32B27/08; C08L23/08; C08L53/02; B32B; (IPC1-7): B29C47/06; B32B7/02; B32B27/08; B32B31/30
Foreign References:
| US4897274A | 1990-01-30 | |||
| US6479138B1 | 2002-11-12 | |||
| US5389448A | 1995-02-14 |
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