Effect of Diluent on Performances of High-Temperature Resistance Epoxy Resin

doi:10.11944/j.issn.1000-0518.2016.12.160373

Chinese Journal of Applied Chemistry ›› 2016, Vol. 33 ›› Issue (12): 1401-1407.DOI: 10.11944/j.issn.1000-0518.2016.12.160373

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Effect of Diluent on Performances of High-Temperature Resistance Epoxy Resin

BAI Tian^a,GUO Anru^b,LI Ruijie^b,LIU Chang^c,XIAO Dehai^c^*()

^aBeijing Special Missile Naval Military Representive Office,Beijing 100076,China
^bAerospace Research Institute of Materials & Processing Technology,Beijing 100076,China;
^cChangchun Institute of Applied Chemistry,Chinese Academy of Sciences,Changchun 100032,China

Received:2016-09-19 Accepted:2016-11-03 Published:2016-12-05 Online:2016-12-05
Contact: XIAO Dehai
Supported by:
Supported by the National Natural Sciences Foundation of China(No.21404100)

Abstract

Abstract:

3,4-Epoxycyclohexylmethyl-3,4-epoxycyclohexanecarboxylate(2010P) was adopted as the diluent of 4,4'-methylenebis(N,N-diglycidylaniline) epoxy(AG-80)/Hexahydrophthalic anhydride(HHPA) curing system. Via different testing methods such as viscosity, tensile, high temperature shearing test, differential scanning calorimetry(DSC), and high-power microscope, the effect of diluent on the viscosity, mechanical performances, and thermal properties of epoxy resin were investigated, and the interaction of diluent and epoxy resin was studied, respectively. 2010P was found to improve the fluidity of resin markedly. With increase of 2010P mass fraction, the tensile strength increases at first and then decreases, and the maximum strength value appears at 25% mass fraction. DSC result shows that the glass transition temperature of AG-80 is reduced with the addition of 2010P, nevertheless, the suitable content of 2010P can further enhance the adhesion of AG-80 epoxy under high temperature. When mass fraction of 2010P is 30%, the shear strength of resin is up to 13.78 MPa.

Key words: diluent, high-temperature resistance epoxy resin, tensile performance, high temperature shear strength, thermal property

BAI Tian, GUO Anru, LI Ruijie, LIU Chang, XIAO Dehai. Effect of Diluent on Performances of High-Temperature Resistance Epoxy Resin[J]. Chinese Journal of Applied Chemistry, 2016, 33(12): 1401-1407.

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Effect of Diluent on Performances of High-Temperature Resistance Epoxy Resin

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