Epoxy resin composition and application thereof
A technology of epoxy resin and composition, applied in the direction of electrical components, circuits, electrical solid devices, etc., can solve the problems of not meeting the requirements of environmental protection, difficult to meet the requirements of lead-free reflow soldering, high voltage electrical performance requirements, etc., to achieve low stress, The effect of high reliability performance and good fluidity
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Embodiment 1
[0042] The formulation of the epoxy resin composition is shown in Table 1. Wherein, in formula I, n=10, and the equivalent ratio of novolak resin to epoxy resin is 1.08.
[0043] The preparation method of the epoxy resin composition is as follows: knead the formula in Table 1 on a twin-screw extruder at 100° C., then cool and pulverize.
Embodiment 2
[0045] The formulation of the epoxy resin composition is shown in Table 1. Wherein, n=12 in formula I, m=10 in formula II, and the equivalent ratio of novolak resin to epoxy resin is 0.89.
[0046] The preparation method of the epoxy resin composition is as follows: knead the formula in Table 1 on a twin-screw extruder at 100° C., then cool and pulverize.
Embodiment 3
[0048] The formulation of the epoxy resin composition is shown in Table 1. Wherein, n=15 in formula I, 1=10 in formula III, and the equivalent ratio of novolak resin to epoxy resin is 0.91.
[0049] The preparation method of the epoxy resin composition is as follows: knead the formula in Table 1 on a twin-screw extruder at 100° C., then cool and pulverize.
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