The options for disposal are recycling, landfill or incineration: - Recycling Thermoplastics can be remelted and reused, although the purity of the material tends to degrade with each reuse cycle. Help Regulatory context. Typical initiators include dioctanoyl peroxide and dicetyl peroxydicarbonate, both of which have fragile O-O bonds. 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. An extensive market for chlorinated PVC is in pipe for use in office building, apartment and condominium fire protection. The chemical formula of CPVC CPVC (PVC-C) is the chlorinated product of polyvinyl chloride (PVC). Polyvinyl chloride. This is why the first PVC manufacturing plants were located close to natural sources of salt. These materials can be heated to a certain temperature and will harden again as they cool. Suspension polymerization affords particles with average diameters of 100–180 μm, whereas emulsion polymerization gives much smaller particles of average size around 0.2 μm. Linear Formula: (C 2 H 4 O) n. CAS Number: 9002-89-5. Plasticized PVC is also used to produce thin, colored, or clear, adhesive-backed films referred to simply as vinyl. The assessment of potential risks related to phthalates, and in particular the use of DEHP in PVC medical devices, was subject to scientific and policy review by the European Union authorities, and on 21 March 2010, a specific labeling requirement was introduced across the EU for all devices containing phthalates that are classified as CMR (carcinogenic, mutagenic or toxic to reproduction). A highly versatile polymer, PVC is compatible with many additives. The new material has a higher heat resistance so is primarily used for hot water pipe and fittings, but it is more expensive and it is found only in niche applications, such as certain water heaters and certain specialized clothing. Flexible PVC coated wire and cable for electrical use has traditionally been stabilised with lead, but these are being replaced with calcium-based systems. Plastic covers a wide rage of synthetic or semi-synthetic polymerization products (i.e. Liquid mixed metal stabilisers are used in several PVC flexible applications such as calendered films, extruded profiles, injection moulded soles and footwear, extruded hoses and plastisols where PVC paste is spread on to a backing (flooring, wall covering, artificial leather). Furthermore, pure poly-chloroethene is unstable when exposed to visible light or UV. The product of the polymerization process is unmodified PVC. The fungus Aspergillus fumigatus effectively degrades plasticized PVC. The materials are selected on their compatibility with the polymer, low volatility levels, and cost. PVC is Polyvinyl Chloride. Di-2ethylhexylphthalate (DEHP) has been medically approved for many years for use in medical devices; the PVC-DEHP combination proving to be very suitable for making blood bags because DEHP stabilizers red blood cells, minimizing haemolysis (red blood cell rupture). This material has almost entirely replaced the use of cast iron for plumbing and drainage, being used for waste pipes, drainpipes, gutters and downspouts. You have entered an incorrect email address! Polyvinyl Chloride (PVC) Chemical Formula: (C2H3Cl)n. Poly vinyl chloride is also known as poly vinyl or Vinyl, As abbreviated known as PVC. PVC is derived from salt and Industrial products are white or pale yellow powder. CAS Number: 605-50-5. PVC can be usefully modified by chlorination, which increases its chlorine content to 67%. This makes it an ideal construction and cable material. My self Mr. Saurabh Ranjan, from a rural village of Bihar. It is made softer and more flexible by the addition of plasticizers. It is used in the manufacture of electrical insulation , of protective coverings (including garments ), and of credit cards and swipe cards . Some solvents may only swell it or deform it but not dissolve it, but some of them, like tetrahydrofuran or acetone, may damage it. Its properties are usually categorized based on rigid and flexible PVCs. The first is the emission of toxic and corrosive gases when melting the material. Electric and electronic equipment such as circuit boards, cables, electrical boxes, computer housing. it does not corrode and is very durable), appropriate to be used as a construction material - Resistance to grease, oil and chemicals - PVC is chemically stable and does not de-polymerize - Density: 1.32-1.42 g/cc. 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