A cement-containing non-asbestos brake pad and preparation method thereof
A technology without asbestos and brake pads, applied in the field of brake pads, can solve the problems of the disintegration of the friction material matrix, the increased wear, and the decrease of the friction coefficient of the brake pads, so as to achieve the effects of low cost, increased friction torque and reduced density
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Embodiment 1
[0018] A cement-containing non-asbestos brake pad, its raw materials include: 15% modified phenolic resin, 32% fiber materials, 44% filler materials, 9% cement, wherein the cement consists of Portland cement, ordinary silicon Salt cement and slag portland cement, fiber materials are composed of mineral fiber, glass fiber and paper fiber;
[0019] In the present embodiment, the preparation method of the above-mentioned cement-containing non-asbestos brake pad comprises the following steps:
[0020] S1. Weigh modified phenolic resin, fiber materials, filling materials and cement by weight percentage;
[0021] S2. Mix the modified phenolic resin and the filler material in S1 evenly, then add the fiber material and cement described in S1 and mix evenly in a plow mixer;
[0022] S3. Put the mixture obtained in S2 into a hydraulic press and press at a temperature of 148° C. to obtain a cement-containing non-asbestos brake pad.
Embodiment 2
[0024] A cement-containing non-asbestos brake pad. The raw materials include: 15.8% modified phenolic resin, 31.3% fiber materials, 46.2% filler materials, and 6.7% cement, wherein the cement consists of pozzolanic Portland cement, Composed of fly ash Portland cement, composite Portland cement and medium heat Portland cement, the fiber material is mineral fiber;
[0025] In the present embodiment, the preparation method of the above-mentioned cement-containing non-asbestos brake pad comprises the following steps:
[0026] S1. Weigh modified phenolic resin, fiber materials, filling materials and cement by weight percentage;
[0027] S2. Mix the modified phenolic resin and the filler material in S1 evenly, then add the fiber material and cement described in S1 and mix evenly in a plow mixer;
[0028] S3. Put the mixture obtained in S2 into a hydraulic press and press at a temperature of 148° C. to obtain a cement-containing non-asbestos brake pad.
Embodiment 3
[0030] A cement-containing non-asbestos brake pad, its raw materials include: 17% modified phenolic resin, 29.3% fiber materials, 48.3% filler materials, 5.4% cement, wherein the cement is composed of low-heat slag Portland cement, Composed of white Portland cement and slag Portland cement, fiber materials are composed of mineral fibers, glass fibers and paper fibers;
[0031] In the present embodiment, the preparation method of the above-mentioned cement-containing non-asbestos brake pad comprises the following steps:
[0032] S1. Weigh modified phenolic resin, fiber materials, filling materials and cement by weight percentage;
[0033] S2. Mix the modified phenolic resin and the filler material in S1 evenly, then add the fiber material and cement described in S1 and mix evenly in a plow mixer;
[0034] S3. Put the mixture obtained in S2 into a hydraulic press and press at a temperature of 148° C. to obtain a cement-containing non-asbestos brake pad.
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