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The Current Situation Regenerative Technology of Waste Rubber

Author:Admin Date:2010-01-16 Count:

A .nowadays, the analysis on the situation of the recycled scrapped rubber (tire) and the development tendency

The first formation: retread-- With the development of the automobile and the transportation, the requirement for the safety of the rubber became stricken day by day, and the application was limited unceasingly. Moreover, the tire retreating process will be large for the limitation of the tire’s original model, the available tire resource for retreating procession reduced and the tire retreating market became small and small, so it seems unsuitable for invest.

The second formation: Crash processing—considering with the regeneration resources, after reclaim the function of the rubber (tire) nearly as natural rubber and compound rubber, but the price just be the 1/4 or 1/3 of them. The waste rubber can be reclaimed nearly 100%, so it is a kind of valuable regenerated material. Therefore, it has also been called “Ⅲ rubber” by the insiders.

The third formation: thermal cracking--- it has became a hot topic for a long time by all the countries. Recent years, the scientists in America, Japan, Europe and other countries all had professional report on this technology. However, the large-scale industrialized production units have not yet emerged.

The fourth formation: Heat utilization--- the waste tire belongs to the molecular elastomeric material, so it would takes hundreds of year for the rubber to decomposed without bad effect on the plants which growing in the soil. If burned, the smoke and carbon monoxide released from it will be harmful to the atmosphere, and even affect our life.

From the four kinds of formation above, we can get the conclusion that the second formation is more rational and in accord with the regeneration resource comprehension utilization. Especially, the application of the finest rubber (above 60 mesh) in the field of radial tire, bituminized modification, plastic modification, thermoplastic modification, and railway ties and so on. On the one hand, this technology can reduce the production price. On the other hand, if the prescription is available, it can approve the dynamic property of the rubber products. Moreover, it also reduced the environmental pollution from the waste rubber, with the simple production technology and high mechanical level. The waste tire can be utilized 100% without second hand pollution. This technology can save energy 20-50% compared with other treatment methods.

According to the current situation and tendency about the home and abroad regenerative technology of the waste rubber (tire), each country encourages to produce the finest vulcanized rubber powder and develop the mechanical desulphurization, the dynamic desulphurization; restrict the crude and base-line popular type, eliminating the method with oil and water and promoting the application of the new technique of the crusher.