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Butene H2C=CH-CH2-CH3 can be reacted to form isotactic polybutene (PB).

(a) Would you expect isotactic polybutene to melt at a higher or lower temperature than atactic polybutene of the same molecular weight?
I)Higher T
II)Lower T

(b) Is isotatic polybutene a thermoplastic or thermoset?

(c) What is the value of the degree of polymerization (n) of isotactic PB with a molecular weight of 3.091X10^5 g/mol?

  • Chemistry -

    a) Higher T
    b) Thermoplastic
    c) 5520

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