JOURNAL OF TEXTILE RESEARCH ›› 2017, Vol. 38 ›› Issue (03): 33-37.doi: 10.3475/j.fzxv.20160300305

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Miscibility of poly(3-hydroxybutyrate-co-3-hydroxyvalerate) and polypropylene grafting maleic anhydride

  

  • Received:2016-03-01 Revised:2016-09-27 Online:2017-03-15 Published:2017-03-16

Abstract:

In order to provide theoretical basis for the preparation of melt-blown nonwoven materials, poly(3-hydroxybutyrate-co-3-hydroxyvalerate)(PHBV) and polypropylene grafting maleic anhydride (PP-g-MAH) blends with different ratios (100:0,75:25,50:,25:75 and 0:100) were prepared by melting mixing. The blend system were investigated by differential scanning calorimetry, X-ray diffraction, Fourier transform infrared spectroscopy and scanning electron microscope. The results indicate that PHBV and PP-g-MAH are almost immiscible on account of a separation of the glass transition temperature. No diffraction peak appears at 2θ=22.8 °, that is to say, PP-g-MAH changes the PHBV’s crystallization of the molecular chain arrangement. The chemical bonds between them generate ester group because of the emergence of a new absorption peak in 1 710 cm-1, and PHBV/PP-g-MAH blends represent different morphology of sea-island with the change of compositions.

Key words: poly(3-hydroxybutyrate-co-3-hydroxyvalerate), polypropylene grafted maleic anhydride, structure, miscibility, morphology

CLC Number: 

  • TQ323.4
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