Halogen-free flame retardant phenolic epoxy glass reinforced plastic molding material
A phenolic epoxy and molding material technology, applied in the field of polymer materials, can solve the problems of easy combustion and insufficient safety, and achieve the effects of convenient molding, excellent self-extinguishing effect and good heat resistance performance.
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Embodiment 1
[0026] 50 parts of novolac bisphenol A epoxy resin;
[0027] The condensation polymer of melamine and formaldehyde is 15 parts of melamine resin;
[0028] 6 parts of hexamethylenetetramine;
[0029] 1.5 parts of zinc oxide;
[0030] 7 parts of bisphenol A tetraphenyl diphosphate;
[0031] 3 parts of melamine polyphosphate;
[0032] 1.3 parts of calcium stearate;
[0033] 46 parts of mica;
[0034] 1.5 parts of vinyltrimethoxysilane;
[0035] 28 parts of alkali-free glass fiber with a length of 3mm.
Embodiment 2
[0037] 54 parts of novolac bisphenol A epoxy resins;
[0038] The condensation polymer of melamine and formaldehyde is 10 parts of melamine resin;
[0039] 4 parts of hexamethylenetetramine;
[0040] 0.8 parts of zinc oxide;
[0041] 6 parts of bisphenol A tetraphenyl diphosphate;
[0042] 3.3 parts of melamine polyphosphate;
[0043] 1.5 parts of calcium stearate;
[0044] 44 parts of mica;
[0045] 1.1 parts of vinyltrimethoxysilane;
[0046] 25 parts of alkali-free glass fiber with a length of 3mm.
Embodiment 3
[0048] Novolac bisphenol A epoxy resin 51 parts;
[0049] The condensation polymer of melamine and formaldehyde is 12 parts of melamine resin;
[0050] 8 parts of hexamethylenetetramine;
[0052] 9 parts of bisphenol A tetraphenyl diphosphate;
[0053] 3.6 parts of melamine polyphosphate;
[0054] 1.8 parts of calcium stearate;
[0055] 45 parts of mica;
[0056] 1.2 parts of vinyltrimethoxysilane;
[0057] 26 parts of alkali-free glass fiber with a length of 3mm.
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