Keywords
comonomer sequence
fiber spinning
polyacrylonitrile
reversible addition–fragmentation chain-transfer polymerization
rheology
Abstract
Polyacrylonitrile terpolymers based on acrylonitrile, acrylic acid, and methyl acrylate were synthesized by reversible addition–fragmentation chain-transfer polymerization with varying the monomer addition sequence during the synthesis. The monomer introduction sequence in the synthesis of a ternary copolymer significantly affects both the rheological properties of solutions and the strength of obtained fibers.
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