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STUDY ON HIGH PERFORMANCE EPOXY RESIN FOR RESIN TRANSFER MOLDING

Feng Wang

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Abstract

In the present study,two kinds of epoxy resin(AG-80 and TDE-86) were mixed together in a proportion,then liquid curing agent with low viscosity was added,an epoxy resin for RTM was obtained.Experimental results indicated that the viscosity of resin system was of 1081MPa·s at 30℃.The cured resin system showed good mechanical properties: the tensile strength reached 73MPa,the tensile modulus reached 1.36GPa,elongation at break reached 6.3%,flexural strength reached 150MPa,flexural modulus reached 3.12GPa,and the glass transition temperature reached 191℃.Experimental results indicate this resin system has low viscosity,excellent mechanical properties and temperature resistance,which can meet the requirements of resin transfer molding.

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What this paper is about

In the present study,two kinds of epoxy resin(AG-80 and TDE-86) were mixed together in a proportion,then liquid curing agent with low viscosity was added,an epoxy resin for RTM was obtained.Experimental results indicated that the viscosity of resin system was of 1081MPa·s at 30℃.The cured resin system showed good mechanical properties: the tensile strength reached 73MPa,the tensile modulus reached 1.36GPa,elongation at break reached 6.3%,flexural strength reached 150MPa,flexural modulus reached 3.12GPa,and the glass transition temperature reached 191℃.Experimental results indicate this resin system has low viscosity,excellent mechanical properties and temperature resistance,which can meet the requirements of resin transfer molding.

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Available abstract

In the present study,two kinds of epoxy resin(AG-80 and TDE-86) were mixed together in a proportion,then liquid curing agent with low viscosity was added,an epoxy resin for RTM was obtained.Experimental results indicated that the viscosity of resin system was of 1081MPa·s at 30℃.The cured resin system showed good mechanical properties: the tensile strength reached 73MPa,the tensile modulus reached 1.36GPa,elongation at break reached 6.3%,flexural strength reached 150MPa,flexural modulus reached 3.12GPa,and the glass transition temperature reached 191℃.Experimental results indicate this resin system has low viscosity,excellent mechanical properties and temperature resistance,which can meet the requirements of resin transfer molding.

Key concepts: Epoxy, Flexural strength, Materials science, Composite material, Transfer molding, Ultimate tensile strength, Curing (chemistry), Glass transition

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