Polymer and Materials Science
Wiley InterScience Backfile Collection 1832-2000
Chemistry and Pharmacology
Mechanical Engineering, Materials Science, Production Engineering, Mining and Metallurgy, Traffic Engineering, Precision Mechanics
To determine the scope of the grafting reaction, over 30 monomers were grafted to steer hide collagen and collagen films using ceric ammonium nitrate as initiator. High yields of apparent graft polymer were obtained with most acrylate and methacrylate esters. Yields were not changed greatly by employing the higher homologues. Moreover, monomers containing such diverse substituents as hydroxy, cyano, chloro, trifluoroethyl, or glycidyl groups may be grafted onto collagen. The presence of these functional groups in the products provides potential reaction centers to further modify the collagenous surface. Presence of vinyl polymer was confirmed by IR spectra. The large number of monomers of varying polarity which were found to undergo apparent grafting makes it possible to vary widely the surface properties of collagen. It was shown that certain monomers impart water and oil repellency to collagenous surfaces, whereas others increased the hydrophilicity or oleophilicity of the substrate. Thus, by proper selection of monomers, the desired degree of hydrophilic to hydrophobic or oleophilic to oleophobic balance of the collagen surface to suit specific applications can be obtained.
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