Question

7. Pthe given tigures illustrate linkage between the units of a polymet it gole fresh
e
Figure A
Figure B
a) Identify the type of linkage shown by the units in Figure A and Figure B.
b) Which figure shows strong bonds between the polymer chains?
c) Which type of plastics have linkages as shown in Figure A?
d) What can be inferred about the physical appearance of materials that have linkages a
shown in figure B?​

Answer 1

Answer:

In many condensation polymers the repeat unit contains two structural units related to the comonomers which have been polymerized. For example, in polyethylene terephthalate (PET or "polyester"), the repeat unit is -CO-C6H4-CO-O-CH2-CH2-O-.