Plastic is a polymer which makes by tiny units called
monomer some plastics are recyclable other are not .plastics are of two
types
1-thermoplastic (therm+plastic)therm means heat
2-thermoset plastic(thermoset+plastic)therm+set+plastic
Thermoplastic means when heat then it melt and molded and
after cooling get shape and size after after usage again we can reprocess again
we can melt applying temperature and molded after cooling get different shape
and size according to mold.therefore it is recyclable.
Thermoset means when heat then it melt and molded and after
cooling get shape and size and but when again heating it not melt it
burns due to degradation this degradation occurs due to crosslinking of
polymers.therefore it is not recyclable
Monomer- monomer is a single unit
Polymer -two or more monomer unit makes a polymer during polymerization reaction
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