A kind of graphene heating film
A technology of graphene heating film and graphite, applied in the field of graphene heating film, can solve the problems of uneven dispersion of fillers, burning of heating film, fire, etc., and achieve the effects of light weight, easy cutting and high conversion rate
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preparation example Construction
[0044] The preparation process of dispersant is as follows:
[0045] step one,
[0046] Step two,
[0047] Wherein, the reaction temperature of step 1 is 110° C., and the reaction time is 5 hours; the reaction temperature of step 2 is 150° C., and the reaction time is 3.5 hours.
[0048] Regarding the film-forming resin, there are several options as follows. The film-forming resin includes oily resin; specifically, it can be selected as one or more of oily acrylic resin, oily epoxy resin, oily silicone resin, oily polyurethane resin and oily chlorine-containing resin. Several kinds; oily chlorine-containing resins include one or both of oily chlorine ether resins, oily perchlorethylene resins, and oily vinyl vinegar resins.
[0049] When choosing oleoresin, the curing agent includes
[0050] in, Here k is an integer in 1-6, which is prepared by the following steps:
[0051] That is the reaction of acid and polyenamine.
[0052] The film-forming resin includes wa...
Embodiment 1
[0056] A kind of graphene heating film, comprises film-forming component and curing agent, and the mass ratio of film-forming component and curing agent is 15:1; Curing agent is
[0057] Wherein, film-forming component comprises each material of following mass percentage content:
[0058]
[0059] Wherein, the dispersant that the present application adopts comprises the material of following molecular structure:
[0060]
[0061] Catalysts include:
[0062]
[0063] During application, first, the film-forming components are stirred and mixed according to the proportion, and ground on a sand mill. When the grinding particle size reaches 1-5 microns, according to the mass ratio of film-forming components / curing agent=15 / 1, Add curing agent, stir evenly, coat on the substrate, dry at 150 degrees Celsius for half an hour, measure its resistance, the test value is 6Ω; when working, the working voltage is 24V, the heat production is 115W, and the infrared wavelength of r...
Embodiment 2
[0065] A kind of graphene heating film, comprises film-forming component and curing agent, and the mass ratio of film-forming component and curing agent is 15:1; Curing agent is
[0066] Wherein, film-forming component comprises each material of following mass percentage content:
[0067]
[0068] Wherein, the dispersant that the present application adopts comprises the material of following molecular structure:
[0069]
[0070] Catalysts include substances with the following molecular structures:
[0071]
[0072] For specific use, first stir and mix the various materials of the film-forming components, and grind them on a sand mill until the particle size is 1-5 microns; add a curing agent and stir evenly, and coat the substrate, at 150 ° C Baking for half an hour, measure the resistance; the resistance is 6Ω; when working, the working voltage is 24V, the heat production is 110W, and the infrared wavelength of radiation is 4-14 microns.
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