Study on Glass Transition Temperature of Polyvinylamine Hydrochloride

Hong Chi Zhao; Qi Li; Li Bin Bai; Fan Huang

doi:10.4028/www.scientific.net/AMR.217-218.1066

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HomeAdvanced Materials ResearchAdvanced Materials Research Vols. 217-218Study on Glass Transition Temperature of...

Study on Glass Transition Temperature of Polyvinylamine Hydrochloride

Abstract:

Polyvinylamine (PVAm) was synthesized by Hofmann degradation of polyacrylamide (PAM). The thermal properties of the Polyvinylamine hydrochloride (PVAm•HCl) were studied by differential scanning calorimeter (DSC). The degradation rate (a) decreased with increasing weight-average molecular weight (Mw) of PAM and decreasing amount of NaOH, and a were the better values when the concentration of PAM was 5% and the amount of NaClO was 10 mL. DSC curves showed that the glass transition temperature (Tg) of PVAm•HCl increased with increasing Mw of PAM, concentration of NaClO and decreasing concentration of NaOH. Tg of PVAm•HCl appeared the minimum value when the concentration of PAM was 5.0%.

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Periodical:

Advanced Materials Research (Volumes 217-218)

Pages:

1066-1069

DOI:

https://doi.org/10.4028/www.scientific.net/AMR.217-218.1066

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Online since:

March 2011

Authors:

Hong Chi Zhao, Qi Li, Li Bin Bai, Fan Huang

Keywords:

Glass Transition Temperature, Hofmann Degradation, Polyvinylamine, Thermal Property

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