A kind of continuous rubber mixing process method
A process method and rubber mixing technology, which is applied in the field of continuous rubber mixing technology, can solve the problems of not being able to solve the problem of oversulfurization and not fully realizing continuous mixing, and achieve a compact structure of the equipment room and a small footprint. The effect of small size and low investment cost
Active Publication Date: 2018-11-13
QINGDAO UNIV OF SCI & TECH
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Problems solved by technology
The above mixing method is only an improvement to the conventional rubber mixing process, it cannot solve the problem of oversulfurization well, and continuous mixing has not been fully realized
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[0055] The formula adopted in the present embodiment is an all-steel radial tire tread rubber formula, and the mixing method adopts the continuous rubber mixing process method of the present invention, wherein the specific formula table is as follows:
[0056]
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A continuous rubber mixing process method comprising a first step of continuous mixing: part of a weighed raw rubber raw material in a formulation and each of other systems in the formulation are added into an internal mixer for mixing; after being mixed for a predetermined time, the rubber material directly enters a counter-rotating twin-screw extruder for extrusion; and the extruded rubber material directly enters a double-roll tablet press for tablet pressing forming to obtain a pre-dispersion rubber master batch; a second step of continuous plastication: the remaining part of the raw rubber raw material in the formulation is added into a continuous plasticator (5) for plastication to obtain a plasticated rubber; and a third step of continuous mixing: the pre-dispersion rubber master batch and the plasticated rubber are continuously and quantitatively added into a continuous mixer (7) for continuous mixing. Sulphur stays for a short time and has a low temperature in the internal mixer so no scorching will occur; the produced rubber is homogeneous and high in quality; the production is continuous; and the production efficiency is high.
Description
technical field [0001] The invention relates to the technical field of rubber processing, in particular to a continuous rubber mixing process. Background technique [0002] The rubber industry is one of the important basic industries of the national economy. It not only provides people with daily and medical light industrial rubber products that are indispensable in daily life, but also provides heavy and emerging industries such as mining, transportation, construction, machinery, and electronics. All kinds of rubber production equipment or rubber parts, and the quality of mixing technology has a decisive effect on the quality of rubber processed products. Therefore, the production of low energy consumption, high efficiency and high quality rubber is a problem that the rubber industry must constantly solve. [0003] The traditional rubber mixing method cannot achieve large-scale continuous production. If large-scale continuous production is to be realized, it is necessary to...
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IPC IPC(8): B29B7/00B29B7/74
CPCB29B7/7495B29B7/183B29B7/244B29B7/246B29B7/46B29B7/60B29B7/726B29B7/728B29B7/7461B29B7/748B29B7/7485B29B9/08B29C48/40
Inventor 汪传生朱琳刘营边慧光
Owner QINGDAO UNIV OF SCI & TECH