Preparation method of intelligent self-lubricating composite material containing electromagnetic trigger microcapsules
An electromagnetic triggering, composite material technology, applied in microcapsule preparations, microsphere preparation, conductive coatings, etc., can solve the problems of low microcapsule rupture efficiency, microcapsule rupture, inability to trigger microcapsule rupture, etc., to achieve tunable stimulation Response, the effect of improving self-lubricating efficiency
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Embodiment 1
[0029] (1) The preparation process of conductive polymer matrix and electromagnetic trigger microcapsules:
[0030] ① Preparation of conductive polymer matrix:
[0031] The conductive polyaniline matrix was prepared by chemical oxidative polymerization. Add 5 mL of aniline and 50 mL of 2 mol / L hydrochloric acid solution into a three-necked flask, and stir for 2 h in an ice-water bath at 5°C. Take 11.4 g of 2 mol / L ammonium persulfate solution, add it dropwise into a three-necked flask, keep the system temperature below 5°C, and continue the reaction for 3 hours. Suction filter, wash three times with deionized water, filter and dry.
[0032] ② Preparation of electromagnetically triggered microcapsules:
[0033] a Electromagnetically triggered microcapsules were prepared by inverse emulsion polymerization. The preparation process of emulsion A is as follows: add 20mL of 10wt% polyvinyl alcohol solution and 5g of lubricating oil into a three-necked flask, stir at 90°C for 5h,...
Embodiment 2
[0040] ① Preparation of conductive polymer matrix:
[0041] Conductive polypyrrole matrix was prepared by chemical oxidation polymerization. Add 10 mL of pyrrole and 70 mL of 2 mol / L hydrochloric acid solution into a three-necked flask, and stir for 2 h in an ice-water bath at 5°C. Take 15 g of 2 mol / L ammonium persulfate solution, add it dropwise into a three-necked flask, keep the temperature of the system below 5°C, and continue the reaction for 3 hours. Suction filter, wash three times with deionized water, filter and dry.
[0042] ② Preparation of electromagnetically triggered microcapsules:
[0043] a Electromagnetically triggered microcapsules were prepared by inverse emulsion polymerization. The preparation process of emulsion A is as follows: add 20mL of 10wt% polyvinyl alcohol solution and 5g of ball-milled black phosphorus nanosheets into a three-necked flask, stir at 90°C for 5h, and cool to 65°C. Take 100mL of n-hexane, 10mL of 20wt% acrylic acid, 6mL of Span ...
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