Latex reclaimed rubber with the same high flexibility and high elongation of natural rubber, can replace the production of various natural rubber flexible rubber products. The use of latex reclaimed rubber production of rubber products, not only can reduce the cost of raw materials, but also can improve the processing technology to achieve the effect of saving power and labor, and latex reclaimed rubber good fluidity are inseparable; from another From the point of view, latex reclaimed rubber fluidity better than natural rubber.
Latex reclaimed rubber, like natural rubber, is in a highly elastic state at room temperature and will be transformed from a highly elastic, massive solid to a highly viscous body at high temperatures. The reclaimed rubber will appear to be fluid when the external forces act again fluidity. The fluidity of latex reclaimed rubber directly affects the calendering, extrusion, mold filling, injection and other process operations in the rubber processing.
There are four main factors affecting the fluidity of rubber:
1, the internal structure of rubber. The general internal molecular chain of rubber molecules supple, low glass transition temperature plastic good liquidity, and glue-related.
2, rubber molecular weight. When the rubber molecular weight is too large, the internal molecular chain entanglement serious, poor liquidity; usually only when the molecular weight is less than 1 million, the plastic material has a good liquidity. In order to improve the fluidity of the rubber, it is generally achieved by increasing the time of plasticizing.
3, processing temperature. In actual production, the processing temperature is rising, the adhesive force between the compounds will be reduced, and the liquidity will increase.
4, rubber elasticity. The change of rubber from highly elastic solid to highly viscous body with fluidity is a process. The more elastic rubber stays in the process for longer, the more elastic and the less fluid rubber.
Latex reclaimed rubber is a kind of plastic that is processed from waste natural rubber, waste natural rubber products and waste latex products through desulfurization processes. The molecular chains in the desulfurization process will be severely damaged, the distance between the molecules will be large and the force will be small. The latex reclaimed rubber In the process of production, high temperature and high temperature can reduce the viscosity of the latex reclaimed rubber. The latex reclaimed rubber needs to be processed through many processes such as thin pass, repeated kneading and refining, and the like, and has been fully plasticized.
In the use of natural rubber production of rubber products, in order to improve the fluidity of rubber, usually by heating, increasing the plastic time, adjust the formula and other ways to get; and latex reclaimed rubber itself in the processing process to some extent have completed the above process Process, so waste raw materials processed latex reclaimed rubber fluidity than untreated natural rubber fluidity is much better.
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