Epoxy group-containing organosilicon modified poly(phenylene oxide) resin as well as a preparation method and application thereof
A technology of polyphenylene ether resin and epoxy resin, which is applied in circuit substrate materials, electrical components, printed circuits, etc., can solve the problems of deterioration of dielectric properties, complicated preparation methods, influence on the dielectric properties of polyphenylene ether and glass transition temperature and other problems, to achieve the effect of improving processability, good adhesion and low surface energy
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[0080] Example
[0081] (1) Synthesis of modified polyphenylene ether resin
[0082] Weigh 425g of RPE-HL, add toluene and heat to 80℃ and stir to dissolve. After the dissolution is complete, add 98.6g of KBM-303, stir evenly, then add 0.5g of dibutyltin dilaurate, set the heating temperature to 110~115℃, start Slowly add deionized water dropwise for reflux reaction, and control the speed of the dropwise addition of distilled water according to the reaction temperature to control the reaction temperature between 90-100°C. After 8 hours of reaction, remove water and methanol under reduced pressure at 80-100°C. Then, toluene was added to prepare a resin solution with a solid content of about 50%, and its epoxy equivalent was tested to be 418 g / eq.
[0083] By repeating the above operations and changing the ratio of various reactants, different epoxy-containing silicone modified polyphenylene ether resins can be obtained, as shown in Table 1.
[0084] Table 1
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[0086]
[0087] T...
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