Fluorine-containing low-dielectric-loss bismaleimide resin, and preparation method and application thereof
A technology of bismaleimide resin and bismaleimide, applied in the field of thermosetting resin and its preparation, can solve the problem that bismaleimide resin cannot meet the application requirements
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Embodiment 1
[0071] Add 30g of diallyl bisphenol A to a three-necked flask equipped with a stirrer, a thermometer and a reflux condenser, slowly raise the temperature to 130°C, add 10g of PEI after the temperature stabilizes, and add 60g of 2,2'-bisphenol A after the PEI is dissolved [4-(4-Maleimidophenoxy)phenyl]hexafluoropropane and 20g bisphenol A cyanate, react at a constant temperature of 130°C until the resin system is uniform and transparent, keep the reaction for 30min, and cool down to 80°C 1.5 g of azobisisobutyronitrile was added at ℃, and after stirring for 10 minutes, a modified fluorine-containing bismaleimide resin was obtained, which was an orange-yellow viscous liquid.
Embodiment 2
[0073] Add 42g of hexafluorodiallyl bisphenol A to a three-necked flask equipped with a stirrer, a thermometer and a reflux condenser, slowly raise the temperature to 130°C, add 15g of PEI after the temperature stabilizes, and add 68g of 2,2' after the PEI is dissolved -Bis[4-(4-maleimidophenoxy)phenyl]hexafluoropropane and 20g of bisphenol A cyanate, react at a constant temperature of 130°C until the resin system is uniform and transparent, keep the reaction for 30min, and cool down Add 1.5 g of benzoyl peroxide to 100° C. and stir for 10 minutes to obtain a modified fluorine-containing bismaleimide resin, which is an orange-yellow viscous liquid.
Embodiment 3
[0075] Add 42g of hexafluorodiallyl bisphenol A into a three-necked flask equipped with a stirrer, a thermometer and a reflux condenser, slowly raise the temperature to 130°C, add 15g of PPO after the temperature stabilizes, and add 68g of 2,2' after the PPO is dissolved -Bis[4-(4-maleimidophenoxy)phenyl]hexafluoropropane and 42g cyclopentadiene cyanate, react at a constant temperature of 130°C until the resin system is uniform and transparent, then keep the reaction for 30min, Cool down to 100° C., add 1.5 g of benzoyl peroxide, and stir for 10 minutes to obtain a modified fluorine-containing bismaleimide resin, which is an orange-yellow viscous liquid.
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Abstract
Description
Claims
Application Information
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