A kind of preparation method of cnt/iir composite material and jet atomization gun for preparation thereof
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A composite material and spray atomization technology, applied in the field of spray atomization guns, can solve the problems of re-agglomeration of fillers, large water consumption, long time consumption, etc., and achieve the effects of low production cost, low rolling resistance, and environmentally friendly use.
Active Publication Date: 2021-07-30
QINGDAO UNIV OF SCI & TECH
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[0009] The emulsion blending method can disperse fillers such as CNTs in the rubber matrix more uniformly. Usually, acid and other demulsifiers are used to realize the co-precipitation of latex particles and CNTs. Agglomeration again, causing problems of low efficiency, long time consumption and large water consumption; at the same time, mechanical blending method, solution blending method and melt blending method also have some unavoidable defects in the prepared rubber composite materials due to process problems
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Embodiment 1
[0041] Such as figure 1 As shown, the invention provides a kind of CNT / IIR composite material preparation method, it is characterized in that: comprise the steps:
[0042] S100, adding centrifugally concentrated butyl latex into a beaker, and adding a CNT aqueous solution into the beaker to obtain a CNT / IIRL mixed solution, and mixing and stirring for later use.
[0043] S200. Spray the CNT / IIRL mixture onto the rollers of the high-temperature mill through a gas-assisted spray gun. When the water in the mixture evaporates on the rollers, scrape off the masterbatch formed on the rollers and collect them for later use.
[0044] S300, add 111phr masterbatch, zinc oxide ZnO, stearic acid SAD, sulfur, super-accelerator TMTD, DM accelerator, RD anti-aging agent, anti-aging agent 4020 in the open mill in order to carry out mixing and carry out the mastication and mixing of the masterbatch Banbury mixing to complete the preparation of GO / IIR composite materials.
[0045]In S100, sel...
Embodiment 2
[0052] Such as Figure 2 to Figure 5 As shown, the present invention also provides a kind of spray atomization gun that is used for the preparation of CNT / IIR composite material in embodiment 1, comprises assembly frame 1, and the batching bottle 2 that is arranged on the assembly frame 1, is positioned at batching bottle An air pump 3 is installed on the assembly frame 1 on one side, and the prepared CNT / IIRL mixture is injected into the batching bottle 2, and the jet air pressure is provided by the air pump 3 and the pressure change in the batching bottle 2 is controlled to achieve uniformity. Jetting under pressure.
[0053] The inner side of the assembly frame 1 of the present invention is provided with a micro-movement assembly 4, and several atomizing nozzles 5 are arranged on the micro-motion assembly 4, and the left and right lateral vibrations of the atomizing nozzles are driven by the micro-motion assembly 4, thereby ensuring the stability of the atomizing nozzles 5....
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Abstract
The invention discloses a method for preparing a CNT / IIR composite material, comprising the following steps: S100, obtaining a CNT / IIRL mixed liquid, and mixing and stirring it for standby; S200, spraying the CNT / IIRL mixed liquid to a high temperature through a gas-phase assisted spray atomizing gun On the roller of the open mill, when the water of the mixed solution on the roller evaporates, the masterbatch formed on the roller is scraped off and collected for later use; S300, add 111phr masterbatch, zinc oxide ZnO, hard Fatty acid SAD, sulfur, super-accelerator TMTD, DM accelerator, RD anti-aging agent, anti-aging agent 4020 for mixing, plasticizing and banburying of the masterbatch, and completing the preparation of GO / IIR composite materials, and atomization devices, including Assembling the frame, as well as the batching bottle, air pump and deflector set on the assembly frame, the inside of the assembly frame is provided with a micro-motion component, the micro-motion component is provided with an atomizing nozzle, and the deflector is connected to the assembly frame There is an air curtain groove at the center, the process is simple and controllable, and the principle is scientific and reasonable, which ensures uniform atomization and avoids secondary dripping due to the adhesion of water vapor.
Description
technical field [0001] The invention relates to the field of rubber mixing, in particular to a preparation method of a CNT / IIR composite material and a spray atomizing gun for preparation thereof. Background technique [0002] Mixing is the first step in the rubber processing process, and it is also the most critical process. Through this process, various fillers are fully mixed with rubber, and the fillers are dispersed as uniformly as possible. The quality of the mixing result directly determines the rubber product. The performance and service life have been widely concerned by the industry. [0003] At present, the preparation methods of CNT / rubber composite materials mainly include traditional methods such as mechanical blending, solution blending, melt blending and emulsion blending. A polymethylphenylsiloxane disclosed in Chinese patent 201510770421.7 Alkane-carbon nanotube-silicone rubber composite material, carry out according to the following steps: [0004] Step ...
Claims
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Application Information
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