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A natural linear polymer of 2 methyl -1,...

A natural linear polymer of 2 methyl -1,3 - butadiene becomes hard on treatment with suphur between 373 to 415 K and -s - s- bonda are formed between chains.Write the structure of the product of this treatment?

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The process is known as vulcanisation of rubber. For the details, consult section 7.
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A natural linear polymer of 2 methyl-1, 3-butadiene becomes hard on treatment with sulphur between 373 to 415K and -S-S-bonds are formed between chains. Write the structure of the product of this treatment?

A natural linear polymer of 2-methyl -1,3-butadiene becomes hard on treatment with sulphur between 373 to 415 and -S-S- bonds are formed between chains. Write the structure of the product of this treatment ?

Knowledge Check

  • In angular structure of SO_2, the sigma bond between S-O is formed by

    A
    `sp^(3)-p` overlapping
    B
    `sp^(2)-p` overlapping
    C
    `sp^(3)-p` overlapping
    D
    `sp^(2)-s` overlapping

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    Rubber is a naturally occurring polymer, which is a linear polymer of isoprene. It can be easily deformed but regains its original shape after the stress is relieved. The properties of natural rubber can be modified and improved by process of vulcanization. It is mixed with 3 to 5% sulphur and heated at 373-423 K. This forms cross links through disulphide bonds (-S-S-) , which make rubber hard, tough with greater tensile strength. There are many different formulations of synthetic rubbers. These are copolymers in which one of the monomer is isoprene. Some common examples are neoprene rubber, Buna-S, Buna-N, etc. Name the monomers of synthetic rubber Buna-S.

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    Rubber is a naturally occurring polymer, which is a linear polymer of isoprene. It can be easily deformed but regains its original shape after the stress is relieved. The properties of natural rubber can be modified and improved by process of vulcanization. It is mixed with 3 to 5% sulphur and heated at 373-423 K. This forms cross links through disulphide bonds (-S-S-) , which make rubber hard, tough with greater tensile strength. There are many different formulations of synthetic rubbers. These are copolymers in which one of the monomer is isoprene. Some common examples are neoprene rubber, Buna-S, Buna-N, etc. What does the letter 'N' stands for in synthetic rubber Buna-N.

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