______________are produced by reacting polybasic acid (e.g. Phthalic anhydride) with polyhydric alcohol (e.g., glycerol) ?

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...

Identify the group in which all the polymers mentioned can be used to make fibres ?

A. Butadiene copolymers, Polyamides, Urea-formaldehyde B. Cellulose derivatives, Polyisoprene, Polyethylene C. Cellulose derivatives, Polyamides, Polyurethane D. Polypropylene, Poly vinyl chloride, Silicon...

Which of the following is generally not used as eord for synthetic rubber tyre casing ?

A. Dacron B. Nylon C. Cellulose D. None of these...

The major constituent of laminate of safety glass, which holds the broken glass, pieces in their places during accident (and thus minimises the danger from flying glass fragments) is____________________?

A. Polyvinyl alcohol B. Polyvinyl acetate C. Polyvinyl butyral D. PVC...

Polymers are_________________?

A. Micro-molecules B. Macromolecules C. Sub-micromolecules D. None of these...