Pvc preparation and applications

100 views 9 slides May 18, 2018
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About This Presentation

pvc properties, preparation, industrial preparation, additives and application


Slide Content

PVC PolyVinyl chloride

Properties Glass Transition Temperature 82 °C (180 °F) Melting point 100 °C (212 °F) to 260 °C (500 °F) Elongation at break 20–40% Water absorption (ASTM) 0.04–0.4 Dielectric Breakdown Voltage 40 MV/m

Preparation

Preparation Production of Chlorine Production of Ethylene Production of Vinylchloride monomer (VCM)

Industrial Preparation VCM: 43% - 53% Water: 47% - 57% Protective colloid: (PVA, Cellulose derivatives) 0.03% - 0.07% Initiator : (diacetyl peroxides, peroxydicarbonates, alkyl peroxyesters) 0.02 - 0.03%

Industrial Preparation

Additives Phthalate plasticizers derivatives of phthalic acid Metal stabilizer barium, zinc and calcium carboxylates Heat stabilizer derivatives of heavy metals; lead, cadmium or Metal "salts" of fatty acids; calcium stearate Di-2ethylhexylphthalate

Application Pipes Electrical Cable Construction Signs Clothing Furniture Health care