Abstract

AbstractThe compositions of copolymers formed by reacting butadiene or isoprene (M) with lithium in tetrahydrofuran in the presence of varying amounts of alkyl dihalides have been studied. When butadiene was reacted with dibromo‐p‐xylene, it was found that the dihalide predominantly dimerised by a WURTZ condensation mechanism before reacting with butadiene thus giving a copolymer of general form magnified image the value of q depending on the initial reactant ratio.Isoprene was reacted with bis(2‐chloroethyl)ether and with dibromodecane. With the former reagent, and to a lesser extent with the latter, there is evidence that some initiation takes place by direct reaction of the halide with lithium. Only very low molecular weight materials were obtained with this monomer and bis(2‐chloroethyl)ether. The reasons for this are discussed.

Full Text
Paper version not known

Talk to us

Join us for a 30 min session where you can share your feedback and ask us any queries you have

Schedule a call

Disclaimer: All third-party content on this website/platform is and will remain the property of their respective owners and is provided on "as is" basis without any warranties, express or implied. Use of third-party content does not indicate any affiliation, sponsorship with or endorsement by them. Any references to third-party content is to identify the corresponding services and shall be considered fair use under The CopyrightLaw.