ES326862A3 - A procedure for the manufacture of bilaterally oriented polypropylene laminates. (Machine-translation by Google Translate, not legally binding)
- Google Patents
A procedure for the manufacture of bilaterally oriented polypropylene laminates. (Machine-translation by Google Translate, not legally binding)
Legal status (The legal status 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 status listed.)
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Plasticos Celulosicos SA
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Plasticos Celulosicos SA
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Priority to ES0326862ApriorityCriticalpatent/ES326862A3/en
Publication of ES326862A3publicationCriticalpatent/ES326862A3/en
Shaping By String And By Release Of Stress In Plastics And The Like
(AREA)
Abstract
A process for the manufacture of biaxially oriented polypropylene sheets, characterized by extruding the polypropylene at a melting temperature in the range of 190º to 230º C to achieve a non-tubular film, cooling the non-tubular film at a temperature of at least 56º C below the solidification temperature and at least 60 seconds from the time it has been extruded. (Machine-translation by Google Translate, not legally binding)
ES0326862A1966-05-101966-05-10A procedure for the manufacture of bilaterally oriented polypropylene laminates. (Machine-translation by Google Translate, not legally binding)
ExpiredES326862A3
(en)
Procedure of lateral stretching of isotºtic polypropylene films to obtain its molecular orientation (Machine-translation by Google Translate, not legally binding)