X-Ray scattering by wool and polyacrylonitrile graft copolymers

  • R. B. Beevers
Conference paper
Part of the Progress in Colloid & Polymer Science book series (PROGCOLLOID, volume 58)


X-ray scattering by wool + polyacrylonitrile graft copolymers prepared by the ferrous ion-hydrogen peroxide initiatory system is reported. Scattering which may be attributed to the polyacrylonitrile (PAN) grafts is not observed until the level of grafting has reached about 20% PAN. At high levels (125% PAN) the oriented molecular structure of the wool fibre has an effect on the formation of the graft copolymer and the component of the X-ray scattering arising from the polymer grafts shows a measure of orientation. It is also observed that at graft polymer levels above 23% PAN the grafted wool fibre becomes resistant to enzymatic hydrolysis. This provides evidence that the site of initiation of graft copolymerization using acrylonitrile as the vinyl monomer is on a cystine residue, as has been reported in respect of graft copolymerizationj of styrene and methyl methacrylate in wool.


Graft Copolymer Disulphide Bond Wool Fibre Vinyl Monomer Wool Textile 
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Copyright information

© Dr. Dietrich Steinkopff Verlag GmbH & Co. KG 1975

Authors and Affiliations

  • R. B. Beevers
    • 1
  1. 1.Division of Textile Physics CSIRORydeAustralia

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