Abstract
It is shown that the plateau modulus G N and entanglement molecular weight M e of poly(methyl methacrylate) are strongly dependent on tacticity, although they are independent of molecular weight and its distribution (in the absence of fractions with molecular weights below the entanglement value). Thje dependency on tacticity follows the geometric-mean (semilogarithmic) relationship with respect to diad fractions. The plateau modulus G 0 N and entanglement molecular weight M e vary from 2.4x10 6 dyn cm -2 and 16400 for pure isotactic chains to 5.3x10 6 dyn cm -2 and 7800 for pure syndiotactic chains
Submitted Version (
Free)
Published Version
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 callDisclaimer: 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.
