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Effect of stirring on cellulose graft copolymerization. III. Acrylic and methacrylic monomers

โœ Scribed by Tomasz Graczyk; Vladimir Hornof

Publisher
John Wiley and Sons
Year
1984
Tongue
English
Weight
377 KB
Volume
29
Category
Article
ISSN
0021-8995

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โœฆ Synopsis

Acrylate and methacrylate monomers were grafted onto dissolving pulp by the xanthate process. All the nine monomers tested showed a well-defined dependence of conversion on stirring speed. Total conversion and conversion to copolymer vs. agitator speed curves for each monomer were very similar in shape, but they varied widely from monomer to monomer. For the homologous series acrylate and methacrylate esters, optimum stirring speed was found to increase with increasing the size of the alkyl group. The breadth of the maximum also depended on the type of monomer. Monomers partially soluble in water forming water-insoluble polymers were found to be the most reactive.

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