Filler-free halogen-free flame-retardant epoxy resin composition
A technology of epoxy resin and composition, which is applied in the field of flame-retardant composite materials, can solve the problems that filler-type flame retardants cannot meet RTM vacuum diversion, etc., and achieve the effects of improving flame-retardant effect, good wettability, and ensuring product quality
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[0034] Hereinafter, the present invention will be further explained in combination with specific embodiments:
[0035] A filler-free halogen-free flame-retardant epoxy resin composition comprising two components, A and B, and the A component includes:
[0036] Low halogen bisphenol A epoxy resin 128 55-75%
[0037] Bisphenol F epoxy resin 170 5-15%
[0038] Phosphorus nitrogen series flame retardant 10-30%
[0039] Phosphate ester flame retardant 10-20%
[0040] The second component includes:
[0041] Polyetheramine curing agent D230 10-20%
[0042] Isophorone diamine IPDA 50-70%
[0043] N-aminoethylpiperazine N-AEP 20-30%;
[0044] The percentage of each component is the weight percentage; the code is GT-910B.
[0045] The composition is obtained by mixing the components A and B in a ratio of 100:19-21 parts by weight.
[0046] The said one kind of filler-free halogen-free flame retardant epoxy resin group, the appearance of the first component is colorless or slightly yellow viscous body, i...
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