Method for preparing friction material by wet type mixing material
A friction material and wet mixing technology, which is applied in the field of friction material preparation, can solve the problems of uneven dispersion of components, weak bonding between resin and fiber, and high dosage, and achieves simple preparation process, improved friction performance and application. The effect of life and production cost reduction
Inactive Publication Date: 2007-09-19
CHINA JILIANG UNIV
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The invention discloses a method of preparing friction material from blending material by wet method, which includes steps: dissolving resin into solvent to forming resin solution, immerging reinforcing fiber into the resin solution and adding surfactant simultaneously to make the resin and the reinforcing fiber knitted together and dispersed equally; mixing the reinforcing fiber wrapped with resin, friction capability regulator and filler, stirring equally, drying and obtaining the friction material. Advantages of the method is simple, realizing equal mixing of the fiber and resin by mixing the friction material by wet method and wrapping the fiber utilizing fluidity of resin solution, enhancing combination strength of resin and fiber under action of surfactant, decreasing amount of used resin and fiber, reducing production cost, avoiding evulsion of the fiber by friction force during braking process, and increasing friction capability and service life of brake block. The prepared friction material can be widely used for preparing motor vehicle brake block, machine tool, and brake and clutch lining for electrode.
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