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Citation: 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, ;1965, 7(4): 260-263. shu

DETERMINATION OF MOLECULAR WEIGHT DISTRIBUTION OF VINYL-CHLORIDE-ACRYLONITRILE COPOLYMER BY THE GRADIENT ELUTION METHOD

Received Date: 15 December 1964

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.
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