Chemical Engineering - Polymer Technology
Exercise :: Polymer Technology - Section 3
16.
Which of the following is a polymer of hexamethylene diamine and adipic acid ?
A. Nylon-6 B. Nylon-66 C. Nylon-6, 10 D. Epoxy resin
Answer: Option B
Explanation:
17.
Chain growth polymerisation is a process, in which the monomers are added in a chain fashion, and it requires an initiator to produce the free radical. An example of chain growth polymerisation products is
A. nylon-66 B. teflon C. polyester D. bakelite
Answer: Option B
Explanation:
18.
The process involved in converting rubber into a thin sheet or coating it on fabric is called
A. extrusion B. mastication C. calendering D. vulcanisation
Answer: Option C
Explanation:
19.
Which of the following natural bio polymers are formed as a result of polymerisation of amino-acids ?
A. Starch B. Cellulose C. Proteins D. Nucleic acids
Answer: Option C
Explanation:
20.
Nylon-66 is manufactured from
A. adipic acid and hexamenthylene diamine. B. caprolactum. C. maleic anhydride and hexamethylene diamine. D. dimethyl terephthalate (DMT) and ethylene glycol.
Answer: Option A
Explanation:
