Biomass maleopimaric anhydride (MPA) was used as curing agent and petroleum based E-54, AG-80 and 014U mixture was used as epoxy resin to study the thermal and mechanical properties of rosin based epoxy resin matrix and its composites, in order to further evaluate the possibility of its application in advanced resin matrix composites for main load-bearing structures of aircraft and to broaden the application field of biomass epoxy resin. The results show that the cured epoxy resin has high mechanical properties and thermogravimetric temperature. The glass transition temperature of formula F2 resin is 156 ℃, the tensile strength is 82.6 MPa, the tensile modulus is 3.05 GPa, the elongation at break is 4.2%, 5% thermal decomposition temperature is about 370 ℃. The dry glass transition temperature of composite laminates prepared from F2/U3160 prepreg is 158 ℃ and the wet glass transition temperature is 123 ℃. The dry mechanical properties are equivalent to those of 3261/HT3 composites which have been applied to helicopter rotor system, and have a high retention rate of wet mechanical properties.


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    Title :

    Properties of rosin based epoxy resin carbon fiber reinforced composites cured at medium temperature


    Contributors:
    LIU Yanfeng (author) / LIU Qingman (author) / CHEN Xu (author)


    Publication date :

    2022




    Type of media :

    Article (Journal)


    Type of material :

    Electronic Resource


    Language :

    Unknown




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