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- Which the following is true about cross linked polymers ? a) Three dimensional polymers b) Close packing c) Eq: Urea-formaldehyde polymers d) hard and brittle
Which the following is true about cross linked polymers ?
a) Three dimensional polymers
b) Close packing
c) Eq: Urea-formaldehyde polymers
d) hard and brittle
- Option 1)
a,c,d
- Option 2)
a,b
- Option 3)
b,d
- Option 4)
c,d
Answers (1)
Cross Linked / Network Polymers -
Rigid structure formed from bi-functional and tri-functional monomers forming strong covalent bonds.
- wherein
Bakellite, Melamine
Close packing is true for linear polymers, rest are true for cross-linked ploymers.
Option 1)
a,c,d
Option 2)
a,b
Option 3)
b,d
Option 4)
c,d
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