Calcium carbonate whisker reinforced resin-rubber base friction material and preparation method therefor
A calcium carbonate whisker and reinforced resin technology, applied in chemical instruments and methods, and other chemical processes, can solve problems such as unstable friction coefficient, low heat resistance, and high cost, and achieve improved stability, strength, and toughness , cost-effective effect
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[0027] Example 1
[0028] The content of each component of a calcium carbonate whisker reinforced rubber-based friction material:
[0029] Liquid nitrile rubber modified phenolic resin 12kg, styrene butadiene rubber 6kg, calcium carbonate whisker 5kg, steel fiber 15kg, sepiolite fiber 8kg, mineral fiber 1kg, barium sulfate 8kg, magnesium oxide 5kg, alumina 3kg, flake graphite 8kg , 3kg of carbon black, 6kg of petroleum coke and 5kg of Cardolite cashew nut shell oil friction powder.
[0030] Preparation:
[0031] (1) Ingredients: Weigh various raw materials by electronic weighing in strict accordance with the above formula requirements;
[0032] (2) Banburying: Select a strong pressurized tumbling Banbury mixer, put the ingredients into it, discharge from the discharge port, mix for 15 minutes at a speed of 30r / min and a temperature of 80 °C, and discharge from the discharge port, The discharged material is cooled at room temperature to obtain dry material, and the material ...
Example Embodiment
[0040] Example 2
[0041] The content of each component of a calcium carbonate whisker reinforced rubber-based friction material:
[0042] Liquid nitrile rubber modified phenolic resin 10kg, styrene-butadiene rubber 8kg, calcium carbonate whisker 10kg, steel fiber 10kg, sepiolite fiber 5kg, barium sulfate 5kg, magnesium oxide 8kg, alumina 2kg, flake graphite 5kg, carbon black 5kg , Petroleum coke 8kg and Cardolite cashew nut shell oil friction powder 3kg.
[0043] Preparation:
[0044] (1) Ingredients: Weigh various raw materials by electronic weighing in strict accordance with the above formula requirements;
[0045] (2) Banburying: choose a strong pressurized tumbling internal mixer, put the ingredients into it, discharge from the discharge port, mix at a speed of 30r / min and a temperature of 80°C for 15 minutes, and discharge from the discharge port , the discharged material is cooled at room temperature to obtain dry material, which is stored in the storage barrel;
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Example Embodiment
[0054] Example 3
[0055] The content of each component of a calcium carbonate whisker reinforced rubber-based friction material:
[0056] Liquid nitrile rubber modified phenolic resin 15kg, styrene-butadiene rubber 8kg, calcium carbonate whisker 15kg, steel fiber 20kg, mineral fiber 8kg, aramid fiber 3kg, barium sulfate 8kg, magnesium oxide 8kg, alumina 3kg, flake graphite 10kg, Carbon black 1kg, petroleum coke 5kg and Cardolite cashew nut shell oil friction powder 6kg.
[0057] Preparation:
[0058] (1) Ingredients: Weigh various raw materials by electronic weighing in strict accordance with the above formula requirements;
[0059] (2) Banburying: Select a strong pressurized tumbling Banbury mixer, put the ingredients into it, discharge from the discharge port, mix for 15 minutes at a speed of 30r / min and a temperature of 80 °C, and discharge from the discharge port, The discharged material is cooled at room temperature to obtain dry material, and the material is stored i...
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