Polymer Technology Questions

• The conversion of caprolactum in the above case is about __________ percent.
• Polymerisation process in which two or more monomers of chemically different nature take part is called
• Ebonite is a/an
• Polyvinyl chloride (PVC) is
• Synthetic polymer produced by using terephthalic acid and ethylene glycol is
• Flexible plastic pipes are made of
• Epoxy resin is
• Which of the following polymers is used for making a non stick coating on frying pans?
• __________ scrap can be recycled & reutilised.
• Main constituent of natural rubber is
• In nylon-66, the first and second numbers (i.e., 6) respectively designate the number of carbon atoms present in the
• Pick out the wrong statement regarding the solubility characteristics of high polymers.
• Which of the following types of polymers has the strongest inter particle forces?
• Condensation of bisphenol A with phosgene produces __________ which possess very good heat resistance.
• Which of the following is not present in bagasse fibre?
• Polycondensation of saturated dicarboxylic acid with polyhydric alcohol produces
• Addition polymerisation takes place either by a free radical mechanism or ionic machanism depending on the reagents used. Free radical polymerisation is catelyzed by __________ , which decompose to give free radicals.
• Crystallisation of polymers is an undesirable property. Crystallisation of celluloid is prevented by adding
• Dacron is a/an
• Bakelite is a/an