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Synthesis of novel fluorine-containing curing agent and preparation of epoxy adhesive thereof

YU Xin-hai~1,LIU Wang-zhang~2 (1.Department of Applied Chemistry,Donghua University,Shanghai 201620,China; 2.Zhejiang Golden Roc Chemical Co.,Ltd.,Taizhou.Zhejiang 318050,China)  
In the presence of hydrazine hydrate,the novel fluorine-containing epoxy curing agent of 2,2-bis(3-amino-4-hydroxyphenyl) hexafluoropropane was synthesized through reducing reaction of 2,2-bis(3-nitro-4-hydroxyphenyl)hexafluoropropane under the catalysis of Pd/C in organic solvent.The properties including melting point,infrared absorption feature and reactivities with TGDDM epoxy resin were further studied.Moreover,based on the curing agent of 2,2-bis(3-amino-4-hydroxyphenyl)hexafluoropropane,the novel epoxy adhesive with good comprehensive properties was also prepared.
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