DING HSIANG-CHU, PAN HUE-CHU, YU TsE-KwANG. DETERMINATION OF MOLECULAR WEIGHT DISTRIBUTION OF VINYL-CHLORIDE-ACRYLONITRILE COPOLYMER BY THE GRADIENT ELUTION METHOD. [J]. Acta Polymerica Sinica 7(4):260-263(1965)
DOI:
DING HSIANG-CHU, PAN HUE-CHU, YU TsE-KwANG. DETERMINATION OF MOLECULAR WEIGHT DISTRIBUTION OF VINYL-CHLORIDE-ACRYLONITRILE COPOLYMER BY THE GRADIENT ELUTION METHOD. [J]. Acta Polymerica Sinica 7(4):260-263(1965)DOI:
DETERMINATION OF MOLECULAR WEIGHT DISTRIBUTION OF VINYL-CHLORIDE-ACRYLONITRILE COPOLYMER BY THE GRADIENT ELUTION METHOD
A suitable procedure for the determination of molecular weight distribution of vinyl chloride-acrylonitrile copolymer by the gradient elution method has been worked out. Good results were obtained under the following conditions: solvent-precipitant system: ac-etone-methanol; temperature gradient: 2-40℃; flow rate: 20 ml/hr; charge of polymer: 0.6 g/25 g glass beads.