Tire reclaimed rubber is a new type of rubber material obtained by processing waste tire fragments through a series of processes, which can be used to produce battery outlet sheaths; The quality and performance of reclaimed rubber are closely related to its formulation and preparation process, and optimizing the formula and improving the process of reclaimed rubber is the key to improving the performance of the battery outlet sheath.
The formula of reclaimed rubber is composed of rubber particles, fillers, plasticizers, vulcanizing agents and additives.
In terms of optimizing the formula of tire reclaimed rubber, it is first necessary to select the appropriate rubber compound.
Secondly, in the selection of fillers, attention should be paid to the need to balance the filling effect and mechanical properties. Common fillers include carbon black, silica, and silica fume, among others. The amount and type of carbon black used are different, which has different degrees of impact on the hardness, wear resistance and anti-aging performance of reclaimed rubber. According to the special requirements of the battery outlet sheath, the heat resistance and anti-aging performance of the rubber compound can be improved by appropriately increasing the amount of carbon black.
In addition, plasticizers and vulcanizing agents in reclaimed rubber are also important factors to consider. The choice of plasticizer should take into account compatibility with other components and plasticizing effect. At present, the commonly used plasticizers on the market mainly include vegetable oils and environmentally friendly plasticizers. The selection of vulcanizing agent needs to be determined according to the vulcanization temperature and vulcanization rate of the rubber compound to ensure that the tire reclaimed rubber has sufficient processability and vulcanization performance.
In addition to the optimization of the tire reclaimed rubber formulation, the improvement of the process is also an important step to improve the performance of the battery outlet sheath.
First of all, attention should be paid to the particle size distribution of tire fragments and the control of crushing methods. The particle size distribution of tire fragments has an important impact on the physical properties and processing properties of reclaimed rubber. Therefore, in the process of preparing reclaimed rubber, appropriate crushing methods and screening devices should be used to control the particle size distribution of tire fragments to improve the quality of reclaimed rubber.
Secondly, we should pay attention to the mixing process of reclaimed rubber. Mixing is a key link in the preparation of reclaimed rubber, which directly affects the physical properties and processing properties of reclaimed rubber. In the mixing process, the appropriate heating temperature and time should be selected, and the amount of filler and plasticizer should be reasonably adjusted to obtain a uniform and dispersed rubber compound.
Finally, the vulcanization process of reclaimed rubber also needs to be optimized. Vulcanization is an important step in the preparation process of reclaimed rubber, which is directly related to the hardness, heat resistance and anti-aging performance of reclaimed rubber. In the vulcanization process, the vulcanization temperature and time should be controlled to ensure that the reclaimed rubber can fully react with the vulcanizing agent to form a uniform and dense vulcanization network structure.
Rational selection of rubber particles, fillers, plasticizers and vulcanizing agents, control the particle size distribution of tire fragments, and optimize the mixing and vulcanization process of reclaimed rubber are all important means to improve the quality and performance of reclaimed rubber. Through the optimization of the formula and process of tire reclaimed rubber, the performance of the battery outlet sheath is effectively improved, and the use of tire reclaimed rubber is further expanded.
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