Nanometer core-shell rubber particle toughening epoxy resin compound and preparation method of nanometer core-shell rubber particle toughening epoxy resin compound
A technology of rubber particles and nano-core shells, applied in chemical instruments and methods, synthetic resin layered products, layered products, etc., can solve the problems of uneven particle dispersion, failure to achieve dispersibility, and affect resin performance, etc., to achieve excellent Flexibility, good dispersion effect, toughness improvement effect
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[0027] Examples 1 to 3: Preparation of epoxy resin composite toughened by nano core-shell rubber particles
[0028] According to the composition shown in Table 1 below, the epoxy resin composite toughened by nano-core-shell rubber particles of Examples 1 to 3 was prepared according to the following steps 1 and 2, wherein the epoxy resin was IPIKOTEResin 845 of Hexion Chemical Group; The silane coupling agent is γ-methacryloxypropyltrimethoxysilane.
[0029] Table 1 Composition of epoxy resin composite toughened by nano core-shell rubber particles of Examples 1-3
[0030] (Unit: grams)
[0031]
[0032] Step 1: Disperse the nano-core-shell rubber particles prepared in the above preparation examples in methyl ethyl ketone, the weight ratio of the nano-core-shell rubber particles to methyl ethyl ketone is 1:1.7, and then add a silane coupling agent at a ratio of 500 to 600 Stir at a speed of revolution / min for 40 minutes, and then remove butanone by vacuum distillation to obtain nano...
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