Method for producing PVC (polyvinyl chloride) section bar by preparing beta-semi-hydrated gypsum from phosphogypsum as filler

The invention provides a method for producing a PVC (polyvinyl chloride) section bar by preparing beta-semi-hydrated gypsum from phosphogypsum as a filler. The PVC section bar is prepared from the following raw materials in parts by weight: 70-100 parts of polyvinyl chloride resin, 30-45 parts of th...

Ausführliche Beschreibung

Bibliographische Detailangaben

Hauptverfasser:	WANG WEI, YANG BULEI, LI ZEGANG, YANG YONGBIN, XIANG QIANYONG
Format:	Patent
Sprache:	eng
Schlagworte:	AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING CHEMISTRY COMPOSITIONS BASED THEREON COMPOSITIONS OF MACROMOLECULAR COMPOUNDS METALLURGY ORGANIC MACROMOLECULAR COMPOUNDS PERFORMING OPERATIONS SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDEDFOR SHAPING OR JOINING OF PLASTICS THEIR PREPARATION OR CHEMICAL WORKING-UP TRANSPORTING USE OF INORGANIC OR NON-MACROMOLECULAR ORGANIC SUBSTANCES ASCOMPOUNDING INGREDIENTS WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
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