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An important group of polymers called thermosetting plastics forms a network structure by means of covalent bonds between the chain molecules. How would you expect these to differ from other polymers as to the value of the elastic modulus? How would its resistance to creep differ and why?

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Answer:

Convent bonding of cross linking constrain polymer chains from relative movements. the degree of cross linking will correlate with the stiffness of the polymer. highly cross-linked polymers will also have a high resistance to creep as the chains cannot move into new positions.

Explanation:

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