TOPIC-1 POLYMERS
THERE IS A HIGH PROBABILITY OF GETTING ONE QUESTION FROM THIS CHAPTER .
IF WE CHECK OUT IN THE PREVIOUS YEARS PAPERS ONE QUESTION APPEARED IN 2014 AND 2015 PAPER.THE QUESTIONS ARE AS FOLLOWS..
JEEMAINS 2015 PAPER QUESTION-
ANS-(2) GLYPTAL
BAKELITE- used for its electrical non conductivity and heat-resistant properties in electrical insulators, radio and telephone casings and such diverse products as kitchenware, jewelry, pipe stems, children's toys, and firearms.
POLYPROPENE- is a thermoplastic polymer used in a wide variety of applications including packaging and labeling, textiles (e.g., ropes, thermal underwear and carpets), stationery, plastic parts and reusable containers of various types, laboratory equipment, loudspeakers, automotive .
POLY VINYL CHLORIDE-Regular PVC (polyvinyl chloride) is a common, strong but lightweight plastic used in construction. It is made softer and more flexible by the addition of plasticizers. If no plasticizers are added, it is known as uPVC (unplasticized polyvinyl chloride). Example PVC pipes , PVC cables etc..
JEEMAINS 2014 PAPER QUESTION-
ANS-(1) DACRON
- NEOPRENE , TEFLON AND ACRYLONITRILE ARE ADDITION POLYMERS.
DOWNLOAD LINK FOR POLYMERS CHAPTER- PolymersChapterNotespdf
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