Ablation-free agent for brake pad, preparation and application method and brake pad thereof
A technology of brake pads and ablative agents, which is applied in the field of auto parts, can solve the problems of low initial braking performance of brake pads, and achieve the effect of improving initial braking performance, improving insufficient initial braking performance, and smooth braking
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Embodiment 1
[0028] An ablation-free agent for brake pads, comprising: 16% liquid phenolic resin, 6% liquid epoxy resin, 10% composite mineral fiber, 12% iron oxide black, 4% synthetic graphite, and nano-spherical oxide by mass percent Aluminum 1%, chromium oxide green 3%, reduced iron powder 10%, calcium carbonate 38%.
[0029] Among them, the specific gravity of the above-mentioned liquid phenolic resin is 0.80, and the gel time is 15s / 165°C; the fiber diameter of the composite mineral fiber is 2.5 μm, and the fiber length is 650 μm; the D50 of nano-spherical alumina is 0.10 μm; the bulk density of synthetic graphite is 0.60 g / mL.
[0030] The specific preparation method is as follows: (1) Ablation-free mixing: 16% liquid phenolic resin, 6% liquid epoxy resin, 10% composite mineral fiber, 1% nano-spherical alumina, and 3% chromium oxide green are introduced into the high-speed The mixer was mixed at 100r / min for 3 minutes; then 12% of black iron oxide, 4% of synthetic graphite, 10% of ...
Embodiment 2
[0035] An ablation-free agent for brake pads, comprising: 18% liquid phenolic resin, 4% liquid epoxy resin, 15% composite mineral fiber, 8% black iron oxide, 8% synthetic graphite, and nano-spherical oxide by mass percent Aluminum 2%, chromium oxide green 2%, reduced iron powder 14%, calcium carbonate 29%.
[0036] Among them, the specific gravity of the above-mentioned liquid phenolic resin is 0.90, and the gel time is 12s / 165°C; the fiber diameter of the composite mineral fiber is 5.0 μm, and the fiber length is 400 μm; the D50 of nano-spherical alumina is 0.30 μm; the bulk density of synthetic graphite is 0.70 g / mL.
[0037] The specific preparation method is as follows: (1) Ablation-free mixing: 18% liquid phenolic resin, 4% liquid epoxy resin, 15% composite mineral fiber, 2% nano-spherical alumina, and 2% chromium oxide green are introduced into the high-speed The mixer was mixed at 150r / min for 4 minutes; then 8% of black iron oxide, 8% of synthetic graphite, 14% of re...
Embodiment 3
[0042] An ablation-free agent for brake pads, by mass percentage, comprising: 20% liquid phenolic resin, 2% liquid epoxy resin, 20% composite mineral fiber, 4% iron oxide black, 12% synthetic graphite, nano-spherical oxide Aluminum 3%, chromium oxide green 1%, reduced iron powder 15%, calcium carbonate 20%.
[0043] Among them, the specific gravity of the above-mentioned liquid phenolic resin is 1.00, and the gel time is 10s / 165°C; the fiber diameter of the composite mineral fiber is 7.5 μm, and the fiber length is 125 μm; the D50 of nano-spherical alumina is 0.50 μm; the bulk density of synthetic graphite is 0.85 g / mL.
[0044] The specific preparation method is as follows: (1) Ablation-free mixing: 20% liquid phenolic resin, 2% liquid epoxy resin, 20% composite mineral fiber, 3% nano-spherical alumina, and 1% chromium oxide green are introduced into the high-speed The mixer was mixed at 200r / min for 5 minutes; then 4% of black iron oxide, 12% of synthetic graphite, 15% of ...
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