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Explain polymerisation vinyl chloride and its applications.
PVC and its applications - It is acquired from polymerisation of vinyl chloride in the presence of a catalyst as peroxides at about 500C. The properties are as mechanical strength, flexibility, porosity, electrical and moisture absorption properties can be changed through adding certain materials. PVC has fine mechanical and electrical properties. This is hard and brittle. It resists flame, most solvents and sunlight. It is non-hygroscopic. PVC is widely used as insulation and jacketing material for cables and wires. PVC films, sheets and tapes are used as insulation for conduit pipes and dry batteries.
INTRODUCTION : Here you were introduced to the essential features of a good laboratory. Since no two labs are alike, it is important to know the design and organisation of the lab
Reactants Acrylonitrile and Dimethylamine to form product DMAPA i.e. Dimethylaminopropylamine. What is the specific consumption of reactants to produce 1mole of DMAPA
Emulsification: Emulsification can be defined as the property of oils to get intimately mixed with water easily. Emulsions can be oil in water emulsion or water in oil emulsion. C
a. Describe the problems of flooding and channelling in packed tower b. Describe the construction and working of sieve tray, bubble cap tray and counter flow tray c. Describe
1. a) How are Polymers classified? b) Define polymerization. Differentiate addition and condensation polymerization. 2. a) Explain the free radical mechanism of addition p
alfred werner coordination number
What is quantum dots?
#What else can chemical seasoning do to timber? I need heaps more information
Steam at 400C, 100 bar in an insulated cylinder is rapidly decompressed to 10 bar, by unlocking the piston and permitting the gas to expand, with a constant external pressure of 10
Ammonia is oxidized with air to form nitric oxide in the first step to produce nitric acid. The reaction occurs in a well insulated continuous reactor based on the stoichiometry:
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