Preparation method of GO/IIR high-thermal-conductive composite material
A composite material and high thermal conductivity technology, which is applied in the direction of heat exchange materials, chemical instruments and methods, can solve the problems of restricting the processing and application of butyl rubber, slow vulcanization speed, poor compatibility, etc., and achieve low production cost and increased production. Effect of large contact area and improved thermal conductivity
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Embodiment 1
[0023] The preparation method of the GO / IIR high thermal conductivity composite material involved in this example is the dry ice expansion pre-dispersion flocculation method. There are four steps in the preparation of vulcanized film:
[0024] (1) Preparation of GO / IIRL mixed solution: 3phr solid content of graphene oxide aqueous dispersion of 10mg / ml is ultrasonically treated, mixed with 400g mass percent concentration of 42% butyl latex, added 20phr dry ice to dissolve and expand, and then use Stir mechanically with a blade stirrer for 10 minutes to obtain a dispersed and uniformly mixed GO / IIRL mixture;
[0025] (2) Prepare the coagulated body of the GO / IIRL mixed solution: slowly pour the GO / IIRL mixed solution into the flocculant magnesium chloride solution for co-flocculation. After the GO / IIRL mixed solution encounters magnesium chloride, it breaks the original ionization balance and coagulates. Obtain the solidified body of GO / IIRL mixed liquid;
[0026] (3) Preparat...
Embodiment 2
[0029] The preparation method of the GO / IIR high thermal conductivity composite material involved in this example is the dry ice expansion pre-dispersion flocculation method. There are four steps in the preparation of vulcanized film:
[0030] (1) Preparation of GO / IIRL mixed solution: 5phr solid content of graphene oxide aqueous dispersion of 10mg / ml is ultrasonically treated and mixed with butyl latex with a mass percentage concentration of 42%, adding 20phr dry ice to dissolve and expand, and then use the blade Type agitator mechanically stirred for 10min to obtain a dispersed and uniformly mixed GO / IIRL mixture;
[0031] (2) Prepare the coagulated body of the GO / IIRL mixed solution: slowly pour the GO / IIRL mixed solution into the flocculant magnesium chloride solution for co-flocculation. After the GO / IIRL mixed solution encounters magnesium chloride, it breaks the original ionization balance and coagulates. Obtain the solidified body of GO / IIRL mixed liquid;
[0032] (3...
Embodiment 3
[0035] The preparation method of the GO / IIR high thermal conductivity composite material involved in this example is the dry ice expansion pre-dispersion flocculation method. There are four steps in the preparation of vulcanized film:
[0036] (1) Preparation of GO / IIRL mixed solution: 8phr solid content of graphene oxide aqueous dispersion of 10mg / ml is ultrasonically treated and mixed with butyl latex with a mass percentage concentration of 42%, adding 20phr dry ice to dissolve and expand, and then Type agitator mechanically stirred for 10min to obtain a dispersed and uniformly mixed GO / IIRL mixture;
[0037] (2) Prepare the coagulated body of the GO / IIRL mixed solution: slowly pour the GO / IIRL mixed solution into the flocculant magnesium chloride solution for co-flocculation. After the GO / IIRL mixed solution encounters magnesium chloride, it breaks the original ionization balance and coagulates. Obtain the solidified body of GO / IIRL mixed liquid;
[0038] (3) Preparation ...
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