radiation protection material
A radiation protection and selected technology, applied in the field of radiation protection materials, can solve the problems of poor heat aging resistance, unsuitable casting, poor molding performance, etc., achieve good heat resistance and durability, enhance heat resistance and durability, increase viscosity conjunctive effect
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[0007] In order to describe the technical contents and structural features of the present invention in detail, further descriptions will be given below in conjunction with the embodiments.
[0008] The invention provides a radiation protection material, which comprises 25-40% of a matrix, 25-40% of a curing agent and 20-40% of a modified flame retardant in terms of weight percentage, and the matrix includes a compound with a viscosity of less than 8000mPa·s at 25°C. 30-70% of epoxy resin, 20-40% of hydrogenated epoxy resin and 1-30% of unsaturated polyester.
[0009] Preferably, the epoxy resin is selected from one or more of bisphenol A type epoxy resin, novolak epoxy resin and 4,5-epoxycyclohexane-1,2-diglycidyl carboxylate.
[0010] Preferably, the hydrogenated epoxy resin comprises hydrogenated glycidyl ethers selected from tetraglycidyl-1,3-bisaminomethylcyclohexane.
[0011] Preferably, the unsaturated polyester is selected from one or more of phthalic acid polyesters, ...
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