Hamad Polymer Technology 09/08/2021 A. Chloroethane B. Ethylene dichloride C. Ethyl chloride D. Chloroform Related Mcqs: Neoprene which is used for making shoe heels & belts is superior to natural rubber in its stability to aerial oxidation and resistance to oils & other solvents. The monomer used for making neoprene is_________________?A. Chloroethane B. Chloroprene C. Isoprene D. None of these... Epoxy resins (i.e., epoxide polymers) ?A. Are made by addition polymerisation reaction only B. Contain an epoxy group (fig bellow) at the ends of the polymer C. Are cross-linked polymers only D. Use emulsion polymerisation methods... 90% of the caprolactam is converted to nylon-6 on its condensation polymerisation in the reactor maintained at a temperature of _____________ °C?A. -5 B. 10-30 C. 250-280 D. 500-600... Flexible foam (for mattresses) are usually made of _________________?A. PVC B. Silicone rubber C. Polyurethanes D. Polyamides... Styrene butadiene rubber is commercially manufactured by__________________?A. Bulk polymerisation B. Suspension polymerisation C. Solution polymerisation D. Emulsion polymerisation...
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