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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.
the method of extraction of alkali metals
Draw the B-H curve for a ferro-magnetic material and identify the retentivity and the coercive field on the curve. B-H curve for a ferromagnetic material is drawn a
Acetaldehyde production plant design
Methane containing 4 mol% N 2 is flowing through a pipleline at 105.1 kpa and 22 °C. To check this flow rate, N 2 at the same temperature and pressure are introduced to the piple
hi, i am designing an (absorption column), i need help. either by a tutor to take me through the design, or by actually doing the design. please let me know if you help thanks
Hard-Baking Hard-baking is the final step in the photolithographic process. This step is essential in order to harden the photoresist and better adhesion of the photoresist to
What are the functions of oxide layer in high quality IC? Explain. Silicon has the unique ability to be oxidized into silica, which makes a chemically stable, protective and i
Before it can be fed to the gasification reactor, coal must be ground to meet specifications on particle size. The grinding is accompanied by the generation of coal dust that can r
#quehe two sides of a triangle are 17 cm and 28 cm long, and the length of the median drawn to the third side is equal to 19.5 cm. Find the distance from an endpoint of this median
Could help with Hysys design assinment?
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