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
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[0019] Example 1:
[0020] Weigh 5 parts of phenolic resin and 0.05 parts of hexamethylenetetramine, and dissolve them in the mixed solution of industrial alcohol and xylene. At the same time, add 1 part of silane coupling agent. After stirring, add 8 parts of aramid fiber and 12 parts of steel. Fiber, after stirring, add 1.5 parts of molybdenum disulfide, 4 parts of graphite, 16 parts of barite, 5 parts of wollastonite, and 4 parts of tire powder. After mixing and stirring uniformly, it was dried in an oven at 90°C for 24 hours to obtain a friction material.
Example Embodiment
[0021] Example 2:
[0022] Weigh 10 parts of boron-modified phenolic resin and 0.15 parts of urotropine, and dissolve them in a mixed solution of industrial alcohol and acetone. At the same time, add 2.5 parts of sodium dodecylbenzene sulfonate, and add 8 parts of steel fiber and 10 parts of silicon carbide fiber and 10 parts of pitch carbon fiber, after stirring, add 3.5 parts of molybdenum disulfide, 7 parts of graphite, 30 parts of barite, 10 parts of wollastonite, and 10 parts of tire powder. After mixing and stirring uniformly, it was dried in an oven at 120°C for 8 hours to obtain a friction material.
Example Embodiment
[0023] Example 3:
[0024] Weigh 15 parts of melamine-modified phenolic resin, 0.5 part of hexamethylenetetramine and 3 parts of hexamethylenetetramine, and dissolve them in the mixed solution of industrial alcohol and ethyl acetate. At the same time, add 1.5 parts of sodium polyacrylate and 3 parts of ten. Sodium dialkyl sulfate, add 15 parts of steel fiber and 18 parts of pitch carbon fiber after stirring evenly, mix and stir evenly, and dry in an oven at 100°C for 12 hours. After drying the fiber coated with resin, 5 parts of molybdenum disulfide, 15 parts of graphite, 30 parts of barite, 10 parts of alumina, and 10 parts of tire powder are added, mixed and stirred for 5 hours to obtain a friction material.
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