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Citation: ZHAO Min, GAO Jun-Gang, LI Gang, YAO Zi-Hua. Morphology and Properties of o-Cresol-formaldehyde Epoxy Resin (o-CFER)/Polyurethane Interpenetrating Network[J]. Chinese Journal of Applied Chemistry, ;2005, 22(5): 538-542. shu

Morphology and Properties of o-Cresol-formaldehyde Epoxy Resin (o-CFER)/Polyurethane Interpenetrating Network

1.
College of Chemistry and Environmental Science, Hebei University, Baoding 071002

Corresponding author: GAO Jun-Gang,
Received Date: 21 July 2004
Available Online: 6 December 2004

A series of interpenetrating polymer networks of o-cresol-formaldehyde epoxy resin (o-CFER)/(polyurethane)(PU) were prepared.The mechanical properties of the interpenetrating polymer network were (optimized) at m(o-CFER):m(PU)=80:20 and the components were synergistic.The morphology was studied by means of SEM and the results show that at this ratio the two phases had good compatibility,and the degree of interpenetration between the two phases was high,which suggests that the synergistic effect on the mechanical performance may be correlated to the ratio and the interpenating degree of o-CFER/PU.The TBA analysis indicates that the glass transition temperature (T_g) increased with the PU content when it was within 30%.The TG result shows that when m(o-CFER):m(PU)=90:10,the stability of the material was the best.
- interpentrating polymer network,
- o-cresol-formaldehyde epoxy resin,
- polyurathane,
- mechanic property,
- glass transition temperature
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