IT1207999B - Thermoplastic multilayer packaging film - Google Patents
Thermoplastic multilayer packaging filmInfo
- Publication number
- IT1207999B IT1207999B IT8620457A IT2045786A IT1207999B IT 1207999 B IT1207999 B IT 1207999B IT 8620457 A IT8620457 A IT 8620457A IT 2045786 A IT2045786 A IT 2045786A IT 1207999 B IT1207999 B IT 1207999B
- Authority
- IT
- Italy
- Prior art keywords
- packaging film
- multilayer packaging
- thermoplastic multilayer
- copolymer
- layer
- Prior art date
Links
- 229920001169 thermoplastic Polymers 0.000 title abstract 2
- 239000004416 thermosoftening plastic Substances 0.000 title abstract 2
- 229920006281 multilayer packaging film Polymers 0.000 title 1
- 229920001577 copolymer Polymers 0.000 abstract 3
- 239000010410 layer Substances 0.000 abstract 3
- 239000012793 heat-sealing layer Substances 0.000 abstract 2
- 239000004711 α-olefin Substances 0.000 abstract 2
- VGGSQFUCUMXWEO-UHFFFAOYSA-N Ethene Chemical compound C=C VGGSQFUCUMXWEO-UHFFFAOYSA-N 0.000 abstract 1
- 239000005977 Ethylene Substances 0.000 abstract 1
- 230000004888 barrier function Effects 0.000 abstract 1
- 229920006280 packaging film Polymers 0.000 abstract 1
- 239000012785 packaging film Substances 0.000 abstract 1
- 229920000642 polymer Polymers 0.000 abstract 1
Landscapes
- Laminated Bodies (AREA)
- Wrappers (AREA)
Abstract
In a thermoplastic multi-layer packaging film comprising (a) an outer polymer layer, (b) an inner heat sealing layer, and opt. (c) an intermediate O2 barrier layer, the heat-sealing layer (b) comprises a copolymer of ethylene and x to y wt.%, w.r.t. the copolymer, of a 4-8C alpha-olefin, with the copolymer having a density of less than 920 kg/cubic m. x=0.5 nC+8; y=1.25nC+15; nc=a number of C in the alpha-olefin.
Priority Applications (16)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
IT8620457A IT1207999B (en) | 1986-05-16 | 1986-05-16 | Thermoplastic multilayer packaging film |
NZ21762686A NZ217626A (en) | 1985-09-30 | 1986-09-18 | Packaging film consisting of #a# olefin copolymers |
DE198686113010T DE217252T1 (en) | 1985-09-30 | 1986-09-20 | THERMOPLASTIC MULTILAYER PACKAGING FILM AND BAG MADE THEREOF. |
AT86113010T ATE69427T1 (en) | 1985-09-30 | 1986-09-20 | MULTILAYER THERMOPLASTIC PACKAGING FILM AND BAGS MADE THEREOF. |
DE8686113010T DE3682473D1 (en) | 1985-09-30 | 1986-09-20 | THERMOPLASTIC MULTILAYER PACKAGING FILM AND BAG MADE THEREOF. |
EP19860113010 EP0217252B1 (en) | 1985-09-30 | 1986-09-20 | Thermoplastic multi-layer packaging film and bags made therefrom |
AU63102/86A AU582902C (en) | 1985-09-30 | 1986-09-24 | Thermoplastic multi-layer packaging film and bags made therefrom |
US06/911,936 US4801486A (en) | 1985-09-30 | 1986-09-26 | Thermoplastic multi-layer packaging film and bags made therefrom |
BR8604693A BR8604693A (en) | 1985-09-30 | 1986-09-29 | PACKAGE FOR MULTIPLE LAYER PACKING, SIDE SIDE BAG AND BAG FORMED WITH A TUBULAR FILM |
MX003880A MX168438B (en) | 1985-09-30 | 1986-09-29 | THERMOPLASTIC MULTIPLE LAYER PACKING FILM AND BAGS MADE WITH THE SAME |
FI863919A FI88375C (en) | 1985-09-30 | 1986-09-29 | Thermoplastic packaging film in many layers with excellent heat-grafting and cold-sealing properties, and bags made therefrom |
CA 519270 CA1303473C (en) | 1985-09-30 | 1986-09-29 | Thermoplastic multilayer packaging film and bags made therefrom |
ES8602261A ES2003111A6 (en) | 1985-09-30 | 1986-09-29 | Thermoplastic multi-layer packaging film and bags made therefrom. |
DK463186A DK170038B1 (en) | 1985-09-30 | 1986-09-29 | Thermoplastic multilayer packaging film and bag made thereof |
JP6280893A JPH0773904B2 (en) | 1985-09-30 | 1993-02-26 | Thermoplastic multilayer packaging film |
US08/085,468 USRE35285E (en) | 1985-09-30 | 1993-06-30 | Thermoplastic multi-layer packaging film and bags made therefrom |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
IT8620457A IT1207999B (en) | 1986-05-16 | 1986-05-16 | Thermoplastic multilayer packaging film |
Publications (2)
Publication Number | Publication Date |
---|---|
IT8620457A0 IT8620457A0 (en) | 1986-05-16 |
IT1207999B true IT1207999B (en) | 1989-06-01 |
Family
ID=11167242
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
IT8620457A IT1207999B (en) | 1985-09-30 | 1986-05-16 | Thermoplastic multilayer packaging film |
Country Status (1)
Country | Link |
---|---|
IT (1) | IT1207999B (en) |
-
1986
- 1986-05-16 IT IT8620457A patent/IT1207999B/en active
Also Published As
Publication number | Publication date |
---|---|
IT8620457A0 (en) | 1986-05-16 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
TA | Fee payment date (situation as of event date), data collected since 19931001 |
Effective date: 19970530 |