ECSP900706A - MODIFIED POLYOLEFINIC FILMS WITH STABLE RETENTION OF TORQUE, DEAD DOUBLE PROPERTIES AND BARRIER CHARACTERISTICS - Google Patents
MODIFIED POLYOLEFINIC FILMS WITH STABLE RETENTION OF TORQUE, DEAD DOUBLE PROPERTIES AND BARRIER CHARACTERISTICSInfo
- Publication number
- ECSP900706A ECSP900706A ECSP900706A ECSP900706A EC SP900706 A ECSP900706 A EC SP900706A EC SP900706 A ECSP900706 A EC SP900706A EC SP900706 A ECSP900706 A EC SP900706A
- Authority
- EC
- Ecuador
- Prior art keywords
- torque
- polyolefinic films
- modified polyolefinic
- barrier characteristics
- stable retention
- Prior art date
Links
Landscapes
- Shaping By String And By Release Of Stress In Plastics And The Like (AREA)
- Manufacture Of Macromolecular Shaped Articles (AREA)
Abstract
La presente invención se refiere a películas poliolefínicas modificadas, con especiales características como: estabilidad en la torsión y doblez muerto, que se emplean - sobre todo - para envolver productos pequeños mediante torsión. Compuesto por una mezcla ternaria de: polipropileno isotáctico, polietileno de alta densidad y una resina vítrea, amorfa y de bajo peso molecular. Dado por tres etapas: 1.- Mezcla homogénea de los tres componentes; 2.- Extrusión de la mezcla para obtener una lámina y; 3.- Estiramiento longitudinal y transversal para obtener la película biaxialmente orientada.The present invention refers to modified polyolefinic films, with special characteristics such as: stability in torsion and dead bending, which are used - above all - to wrap small products by torsion. Composed of a ternary mixture of: isotactic polypropylene, high-density polyethylene and a low molecular weight amorphous, glassy resin. Given by three stages: 1.- Homogeneous mixture of the three components; 2.- Extrusion of the mixture to obtain a sheet and; 3.- Longitudinal and transverse stretching to obtain the biaxially oriented film.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
ECSP900706 ECSP900706A (en) | 1990-11-30 | 1990-11-30 | MODIFIED POLYOLEFINIC FILMS WITH STABLE RETENTION OF TORQUE, DEAD DOUBLE PROPERTIES AND BARRIER CHARACTERISTICS |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
ECSP900706 ECSP900706A (en) | 1990-11-30 | 1990-11-30 | MODIFIED POLYOLEFINIC FILMS WITH STABLE RETENTION OF TORQUE, DEAD DOUBLE PROPERTIES AND BARRIER CHARACTERISTICS |
Publications (1)
Publication Number | Publication Date |
---|---|
ECSP900706A true ECSP900706A (en) | 1992-01-07 |
Family
ID=42045654
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
ECSP900706 ECSP900706A (en) | 1990-11-30 | 1990-11-30 | MODIFIED POLYOLEFINIC FILMS WITH STABLE RETENTION OF TORQUE, DEAD DOUBLE PROPERTIES AND BARRIER CHARACTERISTICS |
Country Status (1)
Country | Link |
---|---|
EC (1) | ECSP900706A (en) |
-
1990
- 1990-11-30 EC ECSP900706 patent/ECSP900706A/en unknown
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