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· The hydrogen atoms attached to the carbon backbone in polyethylene
may be replaced by other atoms. When fluorine is substituted for
all the hydrogen, the resulting polymer is Poly-tetrafluoroethylene (a) . Partial
substitution by Chlorine forms Polyvinyl Chloride (b), and partial substitution
by CH3 groups gives polypropylene (c).
·
The
arrangement of the side-groups on the carbon backbone can have a significant
effect on the properties of the technical material due to their 'mechanical
interference' with each other. |
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