Method for preparing amorphous polymer chains in elastomers

Details Method for preparing amorphous polymer chains in elastomers Method for preparing amorphous polymer chains in elastomers

C - Chemistry, Metallurgy

08

G

C08G 85/00 (2006.01) C08G 18/42 (2006.01)

Patent

CA 2191810

A method for preparing an amorphous polymer chain in an elastomer, comprises the steps of: forming a crystallizable oligomer having a repeating unit comprising regularly arranged monomer units; and reacting the repeating unit at both ends thereof to effect extension of its chain length; wherein the method further comprises the steps of: selecting the kind of the monomer units to be introduced into the repeating unit; selecting the number of monomer units in the oligomer; selecting a molecular weight distribution of the repeating unit comprising the monomer units; selecting a linkage unit comprising a compound which reacts with terminals of the repeating units and inhibits crystallization of the repeating unit after the reaction; whereby controlling crystallizability of the polymer chain. The method can control the crystallizability of the amorphous polymer chain.

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