Graft Copolymers: are branched structures in which the monomer segments on the branches and back bone differ.
Tacticity: The orientation of monomeric unit in a polymer molecule can take place in an orderly or disorderly fashion with respect to main chain. The difference in configuration (tacticity) does affect their physical properties
Isotactic polymer: The head - tail configuration, in which the functional groups are all on the same side of the chain, is called Isotactic polymer.
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