Affiliation:
1. Department of Materials and Nuclear Engineering, University of Maryland, College Park, Maryland 20742, U.S.A.
Abstract
A heterogeneous copolymerization of N-methylolacrylamide (NMA) and N,N-di methylacrylamide (DMA) with potassium persulfate was examined as a means of controlling the degree of crosslinking in a polymerization-crosslinking treatment of cotton fibers. The results indicate that in-situ copolymer composition is strongly affected by the relative adsorption / diffusion rates of the comonomers. The reaction mechanisms reveal that several competing reactions such as homo- and copolymerization of co monomers, graft copolymerization on the cellulose chains, and condensation of N- methylol with cellulose chains also result in the fixation of comonomers in the fiber. Increases in resilience and fiber strength retention reveal a dependence on the degree of crosslinking similar to that observed previously.
Subject
Polymers and Plastics,Chemical Engineering (miscellaneous)
Cited by
2 articles.
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