PVDC film blowing shrinkage rate control method

The invention relates to a PVDC (Polyvinyl Dichloride) blown film shrinkage rate control method which comprises the following steps: melt extrusion: setting the extrusion amount of PVDC blown films with different specifications to be unchanged; different widths of the PVDC blown film are controlled...

Ausführliche Beschreibung

Bibliographische Detailangaben

Hauptverfasser:	NI XIANGBIN, TIAN JIANXIN, BAI HAIYING
Format:	Patent
Sprache:	chi ; eng
Schlagworte:	AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING INDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS PERFORMING OPERATIONS SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDEDFOR SHAPING OR JOINING OF PLASTICS TRANSPORTING WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
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