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What is the structural difference betwee...

What is the structural difference between HDP and LDP? How does the structure account for different behaviour and nature hence use of polymer?

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HDP (high denisty polymer) consists of linear molecule and has a high density due to close packing .It is a translucent polymer. While LDP (low density polymer) has highly branched structure and hence , does not pack well resulting in low density. It is a transparent meterial.
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