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Attempt the following: What is meant by LDP and HDP? Mention the basic difference between the same with suitable examples. - Chemistry

Short Note

Attempt the following:

What is meant by LDP and HDP? Mention the basic difference between the same with suitable examples.

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Solution

  1. What is meant by LDP and HDP? Mention the basic difference between the same with suitable examples.
  2. LDP is a branched polymer of ethene with polymeric chains loosely held. Hence, even though it is tough, it is extremely flexible. Therefore, LDP is used in producing extruded films, sheets, mainly for packaging and household uses like in preparation of squeeze bottles, attractive containers, etc. where low tensile strength and flexibility is required.
    On the other hand, HDP is a linear polymer of ethene with closely packed polymeric chains. Hence, it is much stiffer than LDP and has high tensile strength and hardness. Therefore, HDP is used in the manufacture of toys and other household articles like buckets, dustbins, bottles, pipes, laboratory wares and other objects where high tensile strength and stiffness is required.
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APPEARS IN

Balbharati Chemistry 12th Standard HSC Maharashtra State Board
Chapter 15 Introduction to Polymer Chemistry
Exercise | Q 4.5 | Page 339
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