Study on PAN/PBMA polyblend fibers

Polyacrylonitrile/poly(n-butyl methacrylate)(PAN/PBMA) polyblend fiber was prepared by solution blending.The compatibility of PAN/PBMA polyblend compositions was evaluated by solubility parameter,Fourier transform infrared spectroscopy (FTIR) and dynamic mechanical analysis(DMA),showing that PAN was partially compatible with PBMA.The morphology and thermal stability of the polyblend fiber was studied by scanning electron microscopy(SEM) and thermal gravimetric analysis(TGA).The results showed that low content component PBMA was dispersed evenly in a micro area form in the PAN matrix,making the heat stability enhanced remarkably.And the adsorption experiment showed that the adsorptive capacity of PAN/PBMA(70/30) polyblend fiber to toluene,chloroform or kerosene was 2-3 times more than that of PAN fiber.