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.)
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Montedison SpA
Original Assignee
Montedison SpA
Montecatini Societa Generale per lIndustria Mineraria e Chimica SpA
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 by Montedison SpA, Montecatini Societa Generale per lIndustria Mineraria e Chimica SpAfiledCriticalMontedison SpA
Publication of ES236012A1publicationCriticalpatent/ES236012A1/es
B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
B29D—PRODUCING PARTICULAR ARTICLES FROM PLASTICS OR FROM SUBSTANCES IN A PLASTIC STATE
B29D7/00—Producing flat articles, e.g. films or sheets
B29D7/01—Films or sheets
Landscapes
Engineering & Computer Science
(AREA)
Mechanical Engineering
(AREA)
Laminated Bodies
(AREA)
Abstract
Procedimiento para la fabricación de un material de escritura, caracterizado porque comprende el evaporar el disolvente de una capa de una solución de un polímero elevado y cristalizable de propileno bajo tales condiciones de temperatura, que se deposita progresivamente polímero sólido de la solución saturada, esto es, entre 100-160º C, de modo que se forma una película de dicho polipropileno que tiene a lo menos una de sus caras con una textura similar a papel.
ES0236012A1956-06-131957-06-12PROCEDIMIENTO PARA LA FABRICACIoN DE UN MATERIAL DE ESCRITURA
ExpiredES236012A1
(es)