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Question
Differentiate between rubbers and plastics on the basis of intermolecular forces.
Differentiate between rubbers and plastics on the basis of intermolecular forces.
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Solution
Rubber is a natural polymer which possesses elastic properties. Natural polymer is a linear polymer of isoprene (2-methyl-1, 3-butadiene).
In natural rubber, m-polyisoprene molecules consist of various chains held together by weak van der Waals’ interaction and has a coiling structure. So, it can be stretched like a spring and it regains its original shape after the force is released.
Plastics are synthetic or semi-synthetic polymers of organic compounds which possess intermediate intermolecular forces of attraction. It has linear, structure that can be moulded but cannot regain its original shape after stretching is over.
Rubber is a natural polymer which possesses elastic properties. Natural polymer is a linear polymer of isoprene (2-methyl-1, 3-butadiene).
In natural rubber, m-polyisoprene molecules consist of various chains held together by weak van der Waals’ interaction and has a coiling structure. So, it can be stretched like a spring and it regains its original shape after the force is released.
Plastics are synthetic or semi-synthetic polymers of organic compounds which possess intermediate intermolecular forces of attraction. It has linear, structure that can be moulded but cannot regain its original shape after stretching is over.
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