Method for preparing resin-base composite material containing metal particle
A technology of metal particles and composite materials, which is applied in the field of preparation of resin-based composite materials. It can solve the problems of affecting the connection mechanism between particles and the matrix, re-agglomeration of powder particles, and inconspicuous dispersion effects, etc., to achieve high particle filling content and firm bonding. , the effect of low cost
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[0031] Example 1:
[0032] As shown in Figure 1, a preparation method of a resin-based composite material containing metal particles, which comprises the following steps:
[0033] 1) Surface modification treatment of W particles: W powder (average particle size 0.95μm, Chaozhou Xianglu Tungsten Industry Co., Ltd.), silane coupling agent (KH550, molecular formula is N) 2 N(CH 2 ) 3 Si(OC 2 H 5 ) 3 , Hubei Wuhan University Silicone New Materials Co., Ltd.) and ethanol (Shanghai Sinopharm Group Chemical Reagent Company), wherein KH550 silane coupling agent is 2wt% of W powder, and the weight ratio of ethanol and W powder is 1:1; Stir with a stirrer and a sonicator for 10 min, and heat under reflux at 100 °C (N 2 protection) to form a suspension (suspension of metal particles grafted with surface modifier).
[0034] 2) Classification: The suspension is classified to obtain a suspension containing a single particle size particle, and the classification time is 2min, and the ...
Example Embodiment
[0037] Example 2:
[0038] A preparation method of a resin-based composite material containing metal particles, which comprises the following steps:
[0039] 1) Mo particle surface modification treatment: Mix Mo powder (average particle size 1.50 μm, Beijing Nonferrous Metal Research Institute), KH550 silane coupling agent and ethanol, wherein KH560 silane coupling agent is 2wt% of Mo powder, ethanol The weight ratio with Mo powder is 1:1; at the same time, a stirrer and an ultrasonicator are used to shake and stir for 10 min, and the mixture is heated and refluxed at 100 ° C (N 2 protection), forming a suspension.
[0040] 2) Classify the suspension to obtain a suspension containing particles of a single particle size, the classification time is 1 min, and the suspoemulsion is suction filtered to obtain a modified Mo powder of a single particle size (metal powder with surface modifier grafted on the surface).
[0041] 3) The modified Mo powder of step 2) is added to the epoxy...
Example Embodiment
[0043] Example 3:
[0044] A preparation method of a resin-based composite material containing metal particles, which comprises the following steps:
[0045] 1) Surface modification treatment of Ni particles: Ni powder (average particle size 2.0 μm, Beijing Nonferrous Metal Research Institute), titanate coupling agent (NDZ-401, Nanjing Shuguang Chemical Group Co., Ltd.) and ethanol are mixed, wherein The coupling agent is 2wt% of Ni powder, and the weight ratio of ethanol to Ni powder is 1:1; at the same time, a stirrer and an ultrasonicator are used to shake and stir for 10min, and the mixture is heated and refluxed at 100°C (N 2 protection), forming a suspension.
[0046] 2) Classification: classify the suspension to obtain a suspension containing particles of a single particle size, the classification time is 1 min, and the suspoemulsion is suction filtered to obtain a modified Ni powder of a single particle size (metal powder with surface modifiers grafted on the surface)...
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