Study on Microphase Separation of Polyether-Urethane Block Copolymers

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A set of polyether-urethane block copolymers were prepared that poly (tetramethylene oxide) PTMO was regarded as soft segment, 4,4'-methylenebis(phenyl isocyanate)(MDI) and m-diphenylamine (MDM) was regarded as hard segment in this article. The microphase separation of polyether-urethane block copolymer was investigated by using infrared spectroscopy(FTIR), differential scanning calorimetry(DSC), small-angle X-ray scattering(SAXS),there obtained that there are two phases structure in polyether-urethane block copolymers and degree of phase separation decrease with increasing hard segment weight content.

Info:

Periodical:

Advanced Materials Research (Volumes 282-283)

Edited by:

Helen Zhang and David Jin

Pages:

557-560

DOI:

10.4028/www.scientific.net/AMR.282-283.557

Citation:

Z. Liu et al., "Study on Microphase Separation of Polyether-Urethane Block Copolymers", Advanced Materials Research, Vols. 282-283, pp. 557-560, 2011

Online since:

July 2011

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$35.00

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