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A brush-like poly(dl)-lactide grafted onto chitosan as the backbone was investigated. The graft copolymerization was carried out with triethylaluminum as catalyst in toluene at 70 o C. It was found that a greater lactide content in the feeding ratio results in a higher grafting percentage. FTIR spectrometry, 1 H NMR, DSC scanning, and wide-angle X-ray scattering, respectively, are...
The effect of chitosan concentration on the gelation of pectins differing in charge density and distribution was examined, through the determination of gel stiffness and the binding of chitosan to the gel network. Chitosan acts as a crosslinker of concentrated pectin solutions, with its effectiveness showing a dependency on charge on the pectin. The networks produced are clear even under conditions...
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