Rubber processing
(1) Rubber plastication and plastication process,Natural rubber will be from the strong state into a soft ,become more elastic and plastic during in rubber machinery, heat, oxygen, and other effects, that is, increased its plasticity (mobility), Process known as the plastication.
Plastication is designed by reducing Molecular Weight, reducing the rubber flow temperature,make the rubber has sufficient plasticity. In order to follow the mixing, rolling, Squeeze, moulding will operate smoothly. At the same time, through the plastication can also play a "Draw Frame",Plastication known as the "plastication rubber."
(2) rubber mixing and kneading process :Mixing plastication rubber or mixing a certain plasticity rubber, and with a variety of agents by mechanical action mixed process. Mixing process is to meet a variety of agents evenly dispersed in rubber to form a rubber medium or rubber is compatible with the components (with agents, other polymer) as a mixture of medium , With rubber incompatible with the agent (such as packing powder, zinc oxide, paint, etc.) for the dispersed phase of the multiphase process of colloidal dispersion system. Mixing process on the specific technical requirements are: agent with evenly dispersed, special agent with carbon black, and so is the reinforcement of the best agent with the dispersion in order to keep rubber own consistent performance. After mixing the rubber has been referred to as "Mixed rubber", the quality of its products for further processing and quality have had a significant impact. |
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