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Synthesis of air-drying epoxy vinyl resin

FU Xiao-fen

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Abstract

The air-drying epoxy vinyl resins were prepared by ordinary epoxy vinyl resin and prepolymers of trimethylolpropane diallyl ether(TMPDE,toluene diisocyanate(TDI and styrene.The effects of the prepolymer contents on the air-drying property of the product were studied by the tests of surface drying time and drying time.The mechanical properties and corrosion resistance of the products were tested.The results showed that the performance of product with mass ratio of propolymer to epoxy vinyl resin 3.5∶10 was the best..Best formula was as followed:m(common epoxy vinyl resin∶m(TDI∶m(TMPDE∶m(styrene=10∶0.75∶0.75∶1.5.and the surface drying time,drying time,notched impact strength,bending strength,flexural modulus,heat distortion temperature were 26 min,1 h,8.95 kJ/m2,104 MPa,3.22 GPa and 119.0 ℃,respectively.The products had good corrosion resistance.

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What this paper is about

The air-drying epoxy vinyl resins were prepared by ordinary epoxy vinyl resin and prepolymers of trimethylolpropane diallyl ether(TMPDE,toluene diisocyanate(TDI and styrene.The effects of the prepolymer contents on the air-drying property of the product were studied by the tests of surface drying time and drying time.The mechanical properties and corrosion resistance of the products were tested.The results showed that the performance of product with mass ratio of propolymer to epoxy vinyl resin 3.5∶10 was the best..Best formula was as followed:m(common epoxy vinyl resin∶m(TDI∶m(TMPDE∶m(styrene=10∶0.75∶0.75∶1.5.and the surface drying time,drying time,notched impact strength,bending strength,flexural modulus,heat distortion temperature were 26 min,1 h,8.95 kJ/m2,104 MPa,3.22 GPa and 119.0 ℃,respectively.The products had good corrosion resistance.

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Available abstract

The air-drying epoxy vinyl resins were prepared by ordinary epoxy vinyl resin and prepolymers of trimethylolpropane diallyl ether(TMPDE,toluene diisocyanate(TDI and styrene.The effects of the prepolymer contents on the air-drying property of the product were studied by the tests of surface drying time and drying time.The mechanical properties and corrosion resistance of the products were tested.The results showed that the performance of product with mass ratio of propolymer to epoxy vinyl resin 3.5∶10 was the best..Best formula was as followed:m(common epoxy vinyl resin∶m(TDI∶m(TMPDE∶m(styrene=10∶0.75∶0.75∶1.5.and the surface drying time,drying time,notched impact strength,bending strength,flexural modulus,heat distortion temperature were 26 min,1 h,8.95 kJ/m2,104 MPa,3.22 GPa and 119.0 ℃,respectively.The products had good corrosion resistance.

Key concepts: Materials science, Vinyl ester, Epoxy, Composite material, Trimethylolpropane, Styrene, Flexural strength, Polyurethane

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