IT1141598B - Heat weldable polyolefin, esp. polypropylene, film - Google Patents
Heat weldable polyolefin, esp. polypropylene, filmInfo
- Publication number
- IT1141598B IT1141598B IT26966/80A IT2696680A IT1141598B IT 1141598 B IT1141598 B IT 1141598B IT 26966/80 A IT26966/80 A IT 26966/80A IT 2696680 A IT2696680 A IT 2696680A IT 1141598 B IT1141598 B IT 1141598B
- Authority
- IT
- Italy
- Prior art keywords
- compsn
- finishing
- mol
- esp
- polypropylene
- Prior art date
Links
- 239000004743 Polypropylene Substances 0.000 title abstract 2
- 229920000098 polyolefin Polymers 0.000 title abstract 2
- -1 polypropylene Polymers 0.000 title abstract 2
- 229920001155 polypropylene Polymers 0.000 title abstract 2
- 229920001577 copolymer Polymers 0.000 abstract 2
- 238000004806 packaging method and process Methods 0.000 abstract 2
- 239000002966 varnish Substances 0.000 abstract 2
- VEXZGXHMUGYJMC-UHFFFAOYSA-M Chloride anion Chemical compound [Cl-] VEXZGXHMUGYJMC-UHFFFAOYSA-M 0.000 abstract 1
- 229920000877 Melamine resin Polymers 0.000 abstract 1
- XSQUKJJJFZCRTK-UHFFFAOYSA-N Urea Chemical compound NC(N)=O XSQUKJJJFZCRTK-UHFFFAOYSA-N 0.000 abstract 1
- 229920001807 Urea-formaldehyde Polymers 0.000 abstract 1
- 125000000217 alkyl group Chemical group 0.000 abstract 1
- 239000004202 carbamide Substances 0.000 abstract 1
- IVJISJACKSSFGE-UHFFFAOYSA-N formaldehyde;1,3,5-triazine-2,4,6-triamine Chemical compound O=C.NC1=NC(N)=NC(N)=N1 IVJISJACKSSFGE-UHFFFAOYSA-N 0.000 abstract 1
- 239000013557 residual solvent Substances 0.000 abstract 1
- 125000000391 vinyl group Chemical group [H]C([*])=C([H])[H] 0.000 abstract 1
- 229920002554 vinyl polymer Polymers 0.000 abstract 1
Landscapes
- Paints Or Removers (AREA)
- Laminated Bodies (AREA)
- Wrappers (AREA)
Abstract
Flat weldable polyolefin film having a thickness of 10-100 microns and a surface tension of 38-40 dynes/cm, has one surface coated with a finishing compsn. and the other surface coated with a finishing compsn. under a varnish layer. The finishing compsn. comprises a polyethylene-imine of mol.wt. 10000-30000 or a urea or melamine formaldehyde condensn. prod. esp. the etherified derivs. or alkoxymelamine polyhydroxylate or their mixts. The varnish is an alkyl (meth)acrylate (co)polymer of mol.wt. 20000-100000, or vinyl(idene)chloride or acetate (co)polymers of mol.wt. 10000-20000. The treated film, pref. polypropylene, is used for packaging. It has improved printability, dimensional stability, reduced tendency to stick to the jaws of packaging machines and reduced residual solvent content.
Priority Applications (7)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
IT26966/80A IT1141598B (en) | 1980-12-24 | 1980-12-24 | Heat weldable polyolefin, esp. polypropylene, film |
US06/331,361 US4421780A (en) | 1980-12-24 | 1981-12-16 | Heat-sealable polyolefin films and processes for their preparation |
GB08137844A GB2111857A (en) | 1980-12-24 | 1981-12-16 | Heat-sealable polyolefin films and processes for their production |
NL8105745A NL8105745A (en) | 1980-12-24 | 1981-12-21 | WELDABLE FOILS OF POLYOLEFINS AND METHOD FOR THE PRODUCTION THEREOF |
BE0/206912A BE891588A (en) | 1980-12-24 | 1981-12-22 | HEAT-WELDABLE POLYOLEFIN FILMS AND PROCESSES FOR THEIR PREPARATION |
FR8124107A FR2518557A1 (en) | 1980-12-24 | 1981-12-23 | THERMOSOUDABLE POLYOLEFIN FILMS AND PROCESSES FOR THEIR PREPARATION |
DE19813151116 DE3151116A1 (en) | 1980-12-24 | 1981-12-23 | HOT SEALABLE POLYOLEFIN FILM AND METHOD FOR THEIR PRODUCTION |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
IT26966/80A IT1141598B (en) | 1980-12-24 | 1980-12-24 | Heat weldable polyolefin, esp. polypropylene, film |
Publications (2)
Publication Number | Publication Date |
---|---|
IT8026966A0 IT8026966A0 (en) | 1980-12-24 |
IT1141598B true IT1141598B (en) | 1986-10-01 |
Family
ID=11220644
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
IT26966/80A IT1141598B (en) | 1980-12-24 | 1980-12-24 | Heat weldable polyolefin, esp. polypropylene, film |
Country Status (1)
Country | Link |
---|---|
IT (1) | IT1141598B (en) |
-
1980
- 1980-12-24 IT IT26966/80A patent/IT1141598B/en active
Also Published As
Publication number | Publication date |
---|---|
IT8026966A0 (en) | 1980-12-24 |
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