Investigation of the thermooxidative degradation of copolymers of acrylonitrile and quaternary compounds of diethylaminoethyl methacrylate

Rheological kinetics of acrylonitrile/amino ethyl‐2‐methyl propenoate copolymer solutions in dimethyl sulfoxide

“…6,7,8 Considerable information exists in the literature on the use of comonomers other than carboxylic acids for the preparation of polyacrylonirile precursor fibers. 9 In the case of amino ethyl-2-methyl propenoate (AEMP), a lowering of the time of stabilization, a reduction in the thermal degradation, and a better control of heat flux during oxidative cyclization have been reported. To our knowledge, there are only few reports on the viscosity behavior of ordinary AN copolymer dilute solutions, but there is almost no report on rheological kinetics of the solutions of high molecular weight AN copolymer with AEMP as comonomer.…”

Copolymerization kinetics of acrylonitrile with amino ethyl‐2‐methyl propenoate in H2O/DMSO mixture

“…Various carboxylic acids are used as comonomers to copolymerize with AN to obtain specialty fibers for various applications 9–12. Considerable information exists in the literature on the use of comonomers other than carboxylic acids for the preparation of polyacrylonitrile precursor fibers 13. In the case of amino ethyl‐2‐methyl propenoate (AEMP), a lowering of the time of stabilization, a reduction in the thermal degradation, and a better control of heat flux during oxidative cyclization have been reported.…”