Flame-retardant resin composition, thermosetting resin composition, flame-retardant engineering plastic and composite metal substrate
A resin composition and flame retardant resin technology, applied in the field of flame retardant materials, can solve the problems of harmful pollutants of flame retardant substances, affecting human and animal health, affecting other properties of materials, etc., and achieve excellent mechanical properties and good flame retardancy. , the effect of improving the overall performance
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Embodiment 1
[0052] Get epoxy equivalent and be 100g of liquid bisphenol A type epoxy resin of 186g / eq, add sulfur content and be 4.9g of hydroquinone dithiol 4.9g and phosphorus content be 9.0% tetrakis-(2,6-xylyl ) resorcinol bisphosphate 6.2g after mixing, the flame retardant resin composition that obtains sulfur content is 2%, phosphorus content is 0.5%, adds appropriate amount of acetone to dissolve, then adds 5.1g of dicyandiamide and 0.1g of After 2-methylimidazole was fully dissolved, a copper-clad laminate was prepared according to a known method, and this copper-clad laminate was called copper-clad laminate A. The performance test results of copper-clad laminate A are shown in Table 1.
Embodiment 2
[0054] Get epoxy equivalent and be 100g of liquid bisphenol A type epoxy resin of 186g / eq, add sulfur content and be that 45% hydroquinone 3.8g and phenolic hydroxyl equivalent are 300.0g / eq, phosphorus content is 10.0% DOPO After mixing 11.5g of etherified bisphenol A, a flame-retardant resin composition with a sulfur content of 1.5% and a phosphorus content of 1% was obtained, and an appropriate amount of acetone was added to dissolve it, and then 46.8g of novolac resin with a phenolic hydroxyl equivalent of 105g / eq was added After fully dissolving with 0.1g of 2-methylimidazole, a copper-clad laminate was prepared according to a known method, and this copper-clad laminate was called copper-clad laminate B. The performance test results of copper-clad laminate B are shown in Table 1.
Embodiment 3
[0056] Get epoxy equivalent and be 100g of liquid bisphenol A type epoxy resin of 186g / eq, add sulfur content and be 25.8% 4,4'-diaminodiphenyl disulfide 0.9g and phosphorus content be 3.0%, epoxy equivalent After mixing 20.2g of 300g / eq general-purpose DOPO modified epoxy resin, a flame-retardant resin composition with a sulfur content of 0.2% and a phosphorus content of 0.5% was obtained, and an appropriate amount of acetone was added to dissolve it, and then 6.6g of dicyandiamide was added After the amine and 0.1 g of 2-methylimidazole were fully dissolved, a copper-clad laminate was prepared according to a known method. This copper-clad laminate was called copper-clad laminate C. The performance test results of copper-clad laminate C are shown in Table 1.
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