Vinyl Chloride To Pvc Catalyst

Vinyl chloride is used primarily to make polyvinyl chloride pvc.

Vinyl chloride to pvc catalyst. It does not occur naturally and must be produced industrially for its commercial uses. Pvc is used to make a variety of plastic products including pipes wire and cable coatings and packaging materials. In order to explore the possibility of efficient chlorine removal from the poly vinyl chloride pvc containing waste plastics simultaneous degradation and dechlorination of pvc at a relatively low temperature was investigated by changing the atmosphere gas and metal oxide as catalyst and or adsorbent catalyst adsorbent. Vinyl chloride is a colorless gas that burns easily.

Rigid sometimes abbreviated as rpvc and flexible. Catalyst vinyl chloride peroxy dicarbonate polymerization suspension prior art date 1959 08 25 legal status the legal status is an assumption and is not a legal conclusion. What is vinyl chloride. Under the action of the initiators the.

We have successfully developed a mercury free catalyst for the manufacture of vcm following on from a joint project with cardiff university in the uk. Pvc is the world s third most widely produced synthetic plastic polymer after polyethylene and polypropylene about 40 million tons of pvc are produced each year. Pvc is made by subjecting vinyl chloride to highly reactive compounds known as free radical initiators. Vinyl chloride is an organochloride with the formula h 2 c chcl that is also called vinyl chloride monomer vcm or chloroethene this colorless compound is an important industrial chemical chiefly used to produce the polymer polyvinyl chloride pvc.

About 13 billion kilograms are produced annually. Vinyl chloride ch 2 chcl is most often obtained by reacting ethylene with oxygen and hydrogen chloride over a copper catalyst. The manufacture of a chemical called vcm from either coal or natural gas is an important intermediate step in the production of poly vinyl chloride pvc. Vinyl chloride ch 2 chcl also known as chloroethylene is most often obtained by reacting ethylene with oxygen and hydrogen chloride over a copper catalyst it is a toxic and carcinogenic gas that is handled under special protective procedures.

Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed expired lifetime application number us835898a inventor. Using a suitable solid mineral that adsorbs the chlorine released in the decomposition of the pvc. Pvc comes in two basic forms. A gold based catalyst over 30 years in the making is set to help fight the harm china s polyvinyl chloride pvc plastic industry is causing the country s environment.

5 0 g of pvc and various metallic oxides such as cao fe 3 o 4 sio.