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 CHARACTERISTICS

Info

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
Application number
Other languages
Spanish (es)
Inventor
Pier Paolo Buzio
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed filed Critical
Priority to ECSP900706 priority Critical patent/ECSP900706A/en
Publication of ECSP900706A publication Critical patent/ECSP900706A/en

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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.

ECSP900706 1990-11-30 1990-11-30 MODIFIED POLYOLEFINIC FILMS WITH STABLE RETENTION OF TORQUE, DEAD DOUBLE PROPERTIES AND BARRIER CHARACTERISTICS ECSP900706A (en)

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)

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