Vinyl Chloride To Pvc Catalyst

Pvc is used to make a variety of plastic products including pipes wire and cable coatings and packaging materials.

Vinyl chloride to pvc catalyst.

What is vinyl chloride. It is a carcinogenic gas that must be handled with special protective procedures. It does not occur naturally and must be produced industrially for its commercial uses. Oxychlorination occurs when hydrogen chloride produced as a by product of the thermal cracking of edc reacts with ethylene in the presence of catalyst and air or oxygen and edc is again obtained.

About 13 billion kilograms are produced annually. Pvc is made by subjecting vinyl chloride to highly reactive compounds known as free radical initiators. Pvc comes in two basic forms. 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.

Vinyl chloride ch 2 chcl is most often obtained by reacting ethylene with oxygen and hydrogen chloride over a copper catalyst. Rigid sometimes abbreviated as rpvc and flexible. Vinyl chloride is used primarily to make polyvinyl chloride pvc. When edc from the oxychlorination process is dehydrated and then thermally cracked together with the edc from the direct chlorination process vcm is obtained.

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. Under the action of the initiators the. 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. 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.

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. Suspension and emulsion polymerization of vinyl chloride monomer using free radical initiators. Vinyl chloride is a colorless gas that burns easily. 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.

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.