Abstract
The crystal structure of poly(hexamethylene 2,6-naphthalate) (PHN) was identified by X-Ray diffraction and molecular modeling. The possibility of stress- or temperature-induced crystal transformation is also examined. The unit cell of PHN was found to be triclinic (P1 space group) with dimensions of a = 6.70, b = 5.66, c = 18.40 A, α = 79.0°, β = 145.0°. γ = 90.0°, and crystal density was 1.313 g cm -3 . It was assumed from the observed density (1.298 g cm -3 ) that the unit cell contains one repeating unit of a polymer chain. The hexamethylene unit in PHN backbone takes nearly all-trans conformation. The packing mode is of the face-to-face type relative to the naphthalene rings. The PHN polymer does not undergo crystal transformation by temperature and/or stress.
Sign-in/Register to access full text options 
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.
