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Method for blending polymerization glue solution and dissolving glue solution

A technology of polymerizing glue and glue, applied in the field of rubber, can solve problems such as incompatibility, density, mutual solubility, viscosity difference, long time, etc., and achieve the effect of improving the stirring effect and solving the dead angle of stirring

Active Publication Date: 2019-08-16
益凯新材料有限公司
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Problems solved by technology

[0004] Mixed rubber is made by blending two or more kinds of rubber raw rubber. By blending, the glue can be modified to obtain good performance. It has been widely used in the industry. However, due to the blending Glue sometimes has big differences in density, miscibility, and viscosity, resulting in the need for long-term stirring to complete the blending, which is not suitable for the needs of modern production

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  • Method for blending polymerization glue solution and dissolving glue solution
  • Method for blending polymerization glue solution and dissolving glue solution

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Embodiment Construction

[0018] The present invention will be further described below in conjunction with the drawings and specific embodiments.

[0019] (1)Prepare polymer glue solution and dissolving glue solution; the polymer glue solution used is to replace and deoxidize the reactor with high-purity nitrogen, add a mixture of cyclohexane and hexane, then add butyl lithium, add 200 parts of benzene after heating The mixed monomer of ethylene and 50 parts of butadiene is polymerized to obtain a polymer glue solution. The dissolving glue solution used is a mixture of solution polymerized styrene butadiene rubber and hexane. The mass ratio of the solution polymerized styrene butadiene rubber and hexane is 1: 8. A stirring and shearing device was added to stir, the stirring speed was 1200 rpm, the stirring temperature was controlled at 45° C., and the stirring was carried out for 6 hours to obtain the dissolved solution of polystyrene butadiene rubber.

[0020] (2) The polymer glue solution and the dissolv...

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Abstract

The invention discloses a method for blending a polymerization glue solution and a dissolving glue solution. The method comprises the following steps of: firstly preparing the polymerization glue solution and the dissolving glue solution; and secondly, adding the polymerization glue solution and the dissolving glue solution respectively to a glue solution blending and stirring shearing device, andstarting a stirring motor to drive a first stirring shaft and a second stirring shaft to rotate relative to each other, wherein the first stirring shaft and the second stirring shaft rotate in opposite directions; as the stirring shafts is wave-shaped, the mixed solution is stirred up and down; the first stirring shaft is used for bringing the upper mixed solution downwards; the second stirring shaft is used for bringing the lower mixed solution upwards; the upper mixed solution and the lower mixed solution are mixed at the middle position, so that the mixed solutions are axially mixed as a whole; and meanwhile, the stirring shafts drive paddles to rotate in a stirring process, so that the local shearing and stirring of the mixed solution is realized.

Description

Technical field [0001] The invention relates to the field of rubber, in particular to a method for blending a polymer glue solution and a dissolving glue solution. Background technique [0002] In the rubber processing and production process, mixing is one of the most basic and important processing processes. During the mixing process, various compounding agents are required to be uniformly dispersed in the raw rubber to obtain better mechanical properties while ensuring that the composition and properties of the rubber are uniform. The requirements for the mixing process are fast speed, high production efficiency and low energy consumption. The mixing process has a decisive influence on the quality of the compound and the finished product. [0003] The traditional rubber mixing process has always been based on dry mixing. Dry mixing refers to placing the raw rubber rubber, powdered fillers and compounding agents in an internal mixer or open mill, and using high shear force to u...

Claims

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Application Information

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IPC IPC(8): B29B7/20
CPCB29B7/20
Inventor 王正刘坤刘国王曙光巴孟晨柳海江吴枫
Owner 益凯新材料有限公司
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