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Effects of End-Groups on Properties of Hyperbranched Polyether
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Curing Behavior Characterization of Phenolic Resin Derived from Starch
p.142
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Curing Behavior Characterization of Phenolic Resin Derived from Starch

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Abstract:

With increasing concern about the protection of the environment and the shortage of petroleum resources, the synthesis of polymer materials from renewable biomass resources has attracted a lot of attention. Starch based phenolic resin was prepared via hydrolyzation and condensation of starch at different temperatures from 120 °C to 200 °C. Gel time, apparent activation energies for curing reaction, impact strength, crystal structure and thermal resistance were studied. The results showed that: (1) the apparent activation energy for curing reaction was 19.8 kJ/mol; (2) crystal structure changed as a function of starch hydrolysis; (3) electron microscopy showed the disappearance of starch during the hydrolyzation; (4) the impact strength of starch based phenolic resin was 741 J/m2 and residual mass at 600 °C was 40%. These results were compared with those of formaldehyde based phenolic resin, and it was detected that starch could be used to prepare phenolic resin in replacement of formaldehyde

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Periodical:

Advanced Materials Research (Volumes 488-489)

Pages:

142-146

DOI:

https://doi.org/10.4028/www.scientific.net/AMR.488-489.142

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Online since:

March 2012

Authors:

Yan Ming Han, Luo Hua Huang, Te Fu Qin

Keywords:

Curing Behavior, Phenolic Resin, Starch

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© 2012 Trans Tech Publications Ltd. All Rights Reserved

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