CN111234449A - 一种汽车刹车片的摩擦材料组合物 - Google Patents
一种汽车刹车片的摩擦材料组合物 Download PDFInfo
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- CN111234449A CN111234449A CN202010028891.7A CN202010028891A CN111234449A CN 111234449 A CN111234449 A CN 111234449A CN 202010028891 A CN202010028891 A CN 202010028891A CN 111234449 A CN111234449 A CN 111234449A
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- 239000000203 mixture Substances 0.000 title claims abstract description 72
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- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 claims abstract description 28
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- PZNSFCLAULLKQX-UHFFFAOYSA-N Boron nitride Chemical compound N#B PZNSFCLAULLKQX-UHFFFAOYSA-N 0.000 claims abstract description 11
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- HQVNEWCFYHHQES-UHFFFAOYSA-N silicon nitride Chemical compound N12[Si]34N5[Si]62N3[Si]51N64 HQVNEWCFYHHQES-UHFFFAOYSA-N 0.000 claims abstract description 10
- UCKMPCXJQFINFW-UHFFFAOYSA-N Sulphide Chemical compound [S-2] UCKMPCXJQFINFW-UHFFFAOYSA-N 0.000 claims abstract description 3
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- 235000010338 boric acid Nutrition 0.000 description 1
- 229910052796 boron Inorganic materials 0.000 description 1
- WUKWITHWXAAZEY-UHFFFAOYSA-L calcium difluoride Chemical compound [F-].[F-].[Ca+2] WUKWITHWXAAZEY-UHFFFAOYSA-L 0.000 description 1
- BRPQOXSCLDDYGP-UHFFFAOYSA-N calcium oxide Chemical compound [O-2].[Ca+2] BRPQOXSCLDDYGP-UHFFFAOYSA-N 0.000 description 1
- 239000000292 calcium oxide Substances 0.000 description 1
- ODINCKMPIJJUCX-UHFFFAOYSA-N calcium oxide Inorganic materials [Ca]=O ODINCKMPIJJUCX-UHFFFAOYSA-N 0.000 description 1
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- 239000010962 carbon steel Substances 0.000 description 1
- LJAOOBNHPFKCDR-UHFFFAOYSA-K chromium(3+) trichloride hexahydrate Chemical compound O.O.O.O.O.O.[Cl-].[Cl-].[Cl-].[Cr+3] LJAOOBNHPFKCDR-UHFFFAOYSA-K 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
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- 239000007822 coupling agent Substances 0.000 description 1
- 238000005336 cracking Methods 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- 238000005562 fading Methods 0.000 description 1
- 239000010433 feldspar Substances 0.000 description 1
- 239000010436 fluorite Substances 0.000 description 1
- 230000009477 glass transition Effects 0.000 description 1
- 229910052748 manganese Inorganic materials 0.000 description 1
- 239000011572 manganese Substances 0.000 description 1
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- QIQXTHQIDYTFRH-UHFFFAOYSA-N octadecanoic acid Chemical compound CCCCCCCCCCCCCCCCCC(O)=O QIQXTHQIDYTFRH-UHFFFAOYSA-N 0.000 description 1
- OQCDKBAXFALNLD-UHFFFAOYSA-N octadecanoic acid Natural products CCCCCCCC(C)CCCCCCCCC(O)=O OQCDKBAXFALNLD-UHFFFAOYSA-N 0.000 description 1
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- HBMJWWWQQXIZIP-UHFFFAOYSA-N silicon carbide Chemical compound [Si+]#[C-] HBMJWWWQQXIZIP-UHFFFAOYSA-N 0.000 description 1
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- 239000008117 stearic acid Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 239000011787 zinc oxide Substances 0.000 description 1
- 229910052845 zircon Inorganic materials 0.000 description 1
- GFQYVLUOOAAOGM-UHFFFAOYSA-N zirconium(iv) silicate Chemical compound [Zr+4].[O-][Si]([O-])([O-])[O-] GFQYVLUOOAAOGM-UHFFFAOYSA-N 0.000 description 1
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Abstract
本发明涉及一种汽车刹车片的摩擦材料组合物，包括有以下重量份数的组成原料：碳纤维改性酚醛树脂20‑30份、碳纤维改性PC/ABS合金20‑25份、玻璃纤维改性二苯醚甲醛树脂15‑20份、酚醛树脂改性醇酸树脂15‑20份、合金纤维8‑13份、金属玻璃纤维6‑13份、纳米级氮化硼和氮化硅混合粉末5‑8份、石墨烯纤维6‑12份、硫化碳炔纤维5‑10份、碳酸钙和硫酸钙的混合晶须4‑8份、鳞片石墨晶须3‑5份以及玻璃纤维2‑4份；本发明将组合物改为碳纤维改性树脂与碳纤维进行混合，再通过添加其他高强度、高硬度、高韧性的材质纤维，提升组合物的刚强度、韧性，而从整体上提高了刹车片摩擦材料组合物的耐磨性和实用性。
Description
技术领域
本发明涉及汽车刹车片设计技术领域，具体涉及一种汽车刹车片的摩擦材料组合物。
背景技术
刹车片由背板、粘结层、摩擦块组成，是汽车刹车系统中最为关键的安全零件，刹车片的类型主要包括：石棉刹车片(基本淘汰)、半金属刹车片、少金属刹车片、NAO配方刹车片、陶瓷刹车片、NAO陶瓷刹车片。其中摩擦块又直接关系着刹车片的核心性能。摩擦块由摩擦材料、粘合剂组成。由于单一材料不能满足安全性、耐久性的产品要求，因而摩擦材料发展成增强体、粘结剂树脂、摩擦性能调节剂、耐磨添料等组成的多组分复合材料。
由于在制动过程中产生的摩擦热，引起摩擦表面温度升高，容易导致粘结剂树脂发生玻璃化转化、热膨胀、热衰退、热龟裂等现象，从而引起摩擦力矩的突然变化，导致摩擦失效，因此摩擦材料的粘结树脂以改性酚醛树脂为主。
金属粉体可以作为增强材料，但是金属粉体的加入也加大了材料在制动过程中对对偶盘的磨损率，还会导致摩擦片与对偶片发生粘结，从而导致制动系统失效，这些缺点都限制了金属粉体在摩擦材料中的的应用。
中国专利CN201310238225.6公开了一种刹车片，其摩擦材料配方为：丁基丁苯，过氧化氢异丙苯，环氧树脂，硼酚醛树脂，聚丙烯，尼龙粉，氮化硼，偶联剂，过氧化异丙苯，硫磺粉，苯甲酸，硬脂酸，硼酸，石墨，还原铁粉，硫酸钡，铝矾土，长石粉，氧化锌，促进剂，防老剂，萤石粉，碳化硅，古马隆。但是采用该专利摩擦材料的原料中含有聚丙烯一类软化温度较低的聚合物，在刹车片摩擦制动的过程中放热较多，易减小摩擦材料的摩擦系数。
中国专利CN201510357868.1公开了一种高耐磨刹车片，包括钢板和置于钢板上的摩擦层，摩擦层中包括复合摩擦材料，包括：陶瓷纤维、碳纤维、环氧树脂、氧化钙、炭黑、锆英石、铜粉、摩擦粉。但是该专利采用铜粉作为摩擦材料组分，会造成环境污染。
因此，需要提供一种刹车片摩擦材料组合物，配方中无铜或少金属，并且通过添加碳纤维改性非金属增强材料，提高摩擦材料的摩擦系数，减少磨损率，提高刹车片的使用寿命。
发明内容
为解决上述问题，本发明旨在提供一种汽车刹车片的摩擦材料组合物，通过添加碳纤维或碳纤维改性树脂以及以期其他有机复合材料纤维，目的在于解决刹车片强度不够、韧性差以及不耐磨的缺陷。
为实现本发明目的，采用的技术方案是：
一种汽车刹车片的摩擦材料组合物，其特征在于：所述摩擦材料组合物包括有以下重量份数的组成原料：
碳纤维改性酚醛树脂20-30份、碳纤维改性PC/ABS合金20-25份、玻璃纤维改性二苯醚甲醛树脂15-20份、酚醛树脂改性醇酸树脂15-20份、合金纤维8-13份、金属玻璃纤维6-13份、纳米级氮化硼和氮化硅混合粉末5-8份、石墨烯纤维6-12份、硫化碳炔纤维5-10份、碳酸钙和硫酸钙的混合晶须4-8份、鳞片石墨晶须3-5份、玻璃纤维2-4份、碳纤维改性四氟乙烯-乙烯共聚物9-16份、蛛丝蛋白纤维6-10份、增韧氧化铝空心球4-8份、防老剂2-5份、促进剂2-4份、分散剂2-3份以及紫外吸收剂2-3份；通过添加碳纤维或碳纤维改性的树脂，以及各种其他无机、有机纤维，进一步地提升整个组合物的刚强度和韧性；添加各种性质助剂，有效保护组合物中的各种成分，提高组合物的耐用性。
作为优选的技术方案，所述合金纤维包括有以下百分含量的组成原料：
铁60-70wt％、锇5-8wt％、钛5-10wt％、锰4-7wt％、铬3-6wt％、钨3-5wt％、钒2-4wt％、钽2-4wt％和炭3-8wt％；通过在碳钢中添加各种其他硬质金属，提升合金纤维的性能，使其具有所期性质和结构，从而提升组合物的性能与结构。
作为优选的技术方案，所述紫外吸收剂包括有γ-FeO(OH)、FeCO3、CuS2、FeTiO3和CaTiO3的混合物；通过在组合物中添加紫外吸收剂，不仅作为补强填料使用，而且还进一步地提升组合物的优良性质。
本发明的有益效果为：本发明的将常规刹车片摩擦材料组合物改为碳纤维改性的树脂与碳纤维进行混合，再通过添加其他高强度、高硬度、高韧性的材质纤维，混炼得到的刹车片摩擦材料组合物的刚强度和韧性大幅度提升；通过添加碳纤维、合金纤维，进一步提高了刹车片的导热性，将摩擦产生的热量及时导出；通过添加各种助剂，进一步提升摩擦材料组合物的整体性质，改善其结构，使得最终得到的组合物的刚强度、韧性、耐磨性具有显著地提升，复合所期要求，提高了刹车片摩擦材料组合物的耐磨性和实用性。
具体实施方式
下面将结合本发明的实施例，对本发明的技术方案进行清楚、完整地描述，显然，所描述的实施例仅仅是本发明一部分实施例，而不是全部的实施例。基于本发明中的实施例，本领域普通技术人员在没有做出创造性劳动前提下所获得的所有其他实施例，都属于本发明保护的范围。
实施例1
一种汽车刹车片的摩擦材料组合物，其特征在于：所述摩擦材料组合物包括有以下重量份数的组成原料：
碳纤维改性酚醛树脂30份、碳纤维改性PC/ABS合金25份、玻璃纤维改性二苯醚甲醛树脂20份、酚醛树脂改性醇酸树脂20份、合金纤维13份、金属玻璃纤维13份、纳米级氮化硼和氮化硅混合粉末8份、石墨烯纤维12份、硫化碳炔纤维10份、碳酸钙和硫酸钙的混合晶须8份、鳞片石墨晶须5份、玻璃纤维4份、碳纤维改性四氟乙烯-乙烯共聚物16份、蛛丝蛋白纤维10份、增韧氧化铝空心球8份、防老剂5份、促进剂4份、分散剂3份以及紫外吸收剂3份。
作为优选的技术方案，所述合金纤维包括有以下百分含量的组成原料：
铁70wt％、锇5wt％、钛5wt％、锰4wt％、铬3wt％、钨3wt％、钒2wt％、钽2wt％和炭6wt％。
作为优选的技术方案，所述紫外吸收剂包括有γ-FeO(OH)、FeCO3、CuS2、FeTiO3和CaTiO3的混合物。
实施例2
一种汽车刹车片的摩擦材料组合物，其特征在于：所述摩擦材料组合物包括有以下重量份数的组成原料：
碳纤维改性酚醛树脂20份、碳纤维改性PC/ABS合金20份、玻璃纤维改性二苯醚甲醛树脂15份、酚醛树脂改性醇酸树脂15份、合金纤维8份、金属玻璃纤维6份、纳米级氮化硼和氮化硅混合粉末5份、石墨烯纤维6份、硫化碳炔纤维5份、碳酸钙和硫酸钙的混合晶须4份、鳞片石墨晶须3份、玻璃纤维2份、碳纤维改性四氟乙烯-乙烯共聚物9份、蛛丝蛋白纤维6份、增韧氧化铝空心球4份、防老剂2份、促进剂2份、分散剂2份以及紫外吸收剂2份。
作为优选的技术方案，所述合金纤维包括有以下百分含量的组成原料：
铁60wt％、锇8wt％、钛5wt％、锰7wt％、铬3wt％、钨5wt％、钒2wt％、钽2wt％和炭8wt％。
作为优选的技术方案，所述紫外吸收剂包括有γ-FeO(OH)、FeCO3、CuS2、FeTiO3和CaTiO3的混合物。
实施例3
一种汽车刹车片的摩擦材料组合物，其特征在于：所述摩擦材料组合物包括有以下重量份数的组成原料：
碳纤维改性酚醛树脂30份、碳纤维改性PC/ABS合金20份、玻璃纤维改性二苯醚甲醛树脂20份、酚醛树脂改性醇酸树脂15份、合金纤维13份、金属玻璃纤维6份、纳米级氮化硼和氮化硅混合粉末8份、石墨烯纤维6份、硫化碳炔纤维10份、碳酸钙和硫酸钙的混合晶须4份、鳞片石墨晶须5份、玻璃纤维2份、碳纤维改性四氟乙烯-乙烯共聚物16份、蛛丝蛋白纤维6份、增韧氧化铝空心球8份、防老剂2份、促进剂4份、分散剂2份以及紫外吸收剂3份。
作为优选的技术方案，所述合金纤维包括有以下百分含量的组成原料：
铁70wt％、锇5wt％、钛5wt％、锰4wt％、铬3wt％、钨5wt％、钒3wt％、钽2wt％和炭3wt％。
作为优选的技术方案，所述紫外吸收剂包括有γ-FeO(OH)、FeCO3、CuS2、FeTiO3和CaTiO3的混合物。
实施例4
一种汽车刹车片的摩擦材料组合物，其特征在于：所述摩擦材料组合物包括有以下重量份数的组成原料：
碳纤维改性酚醛树脂20份、碳纤维改性PC/ABS合金25份、玻璃纤维改性二苯醚甲醛树脂15份、酚醛树脂改性醇酸树脂20份、合金纤维8份、金属玻璃纤维13份、纳米级氮化硼和氮化硅混合粉末5份、石墨烯纤维12份、硫化碳炔纤维5份、碳酸钙和硫酸钙的混合晶须8份、鳞片石墨晶须3份、玻璃纤维4份、碳纤维改性四氟乙烯-乙烯共聚物9份、蛛丝蛋白纤维10份、增韧氧化铝空心球4份、防老剂5份、促进剂2份、分散剂3份以及紫外吸收剂2份。
作为优选的技术方案，所述合金纤维包括有以下百分含量的组成原料：
铁65wt％、锇6wt％、钛6wt％、锰4wt％、铬4wt％、钨3wt％、钒3wt％、钽3wt％和炭7wt％。
作为优选的技术方案，所述紫外吸收剂包括有γ-FeO(OH)、FeCO3、CuS2、FeTiO3和CaTiO3的混合物。
实施例5
一种汽车刹车片的摩擦材料组合物，其特征在于：所述摩擦材料组合物包括有以下重量份数的组成原料：
碳纤维改性酚醛树脂25份、碳纤维改性PC/ABS合金23份、玻璃纤维改性二苯醚甲醛树脂17份、酚醛树脂改性醇酸树脂18份、合金纤维10份、金属玻璃纤维9份、纳米级氮化硼和氮化硅混合粉末6份、石墨烯纤维10份、硫化碳炔纤维8份、碳酸钙和硫酸钙的混合晶须6份、鳞片石墨晶须5份、玻璃纤维3份、碳纤维改性四氟乙烯-乙烯共聚物13份、蛛丝蛋白纤维8份、增韧氧化铝空心球6份、防老剂3份、促进剂3份、分散剂2份以及紫外吸收剂3份。
作为优选的技术方案，所述合金纤维包括有以下百分含量的组成原料：
铁63wt％、锇6wt％、钛7wt％、锰5wt％、铬4wt％、钨4wt％、钒3wt％、钽4wt％和炭4wt％。
作为优选的技术方案，所述紫外吸收剂包括有γ-FeO(OH)、FeCO3、CuS2、FeTiO3和CaTiO3的混合物。
实施例6
一种汽车刹车片的摩擦材料组合物，其特征在于：所述摩擦材料组合物包括有以下重量份数的组成原料：
碳纤维改性酚醛树脂26份、碳纤维改性PC/ABS合金23份、玻璃纤维改性二苯醚甲醛树脂18份、酚醛树脂改性醇酸树脂16份、合金纤维12份、金属玻璃纤维12份、纳米级氮化硼和氮化硅混合粉末6份、石墨烯纤维8份、硫化碳炔纤维8份、碳酸钙和硫酸钙的混合晶须6份、鳞片石墨晶须4份、玻璃纤维3份、碳纤维改性四氟乙烯-乙烯共聚物14份、蛛丝蛋白纤维8份、增韧氧化铝空心球6份、防老剂4份、促进剂3份、分散剂3份以及紫外吸收剂2份。
作为优选的技术方案，所述合金纤维包括有以下百分含量的组成原料：
铁66wt％、锇5wt％、钛5wt％、锰4wt％、铬6wt％、钨3wt％、钒4wt％、钽3wt％和炭4wt％。
作为优选的技术方案，所述紫外吸收剂包括有γ-FeO(OH)、FeCO3、CuS2、FeTiO3和CaTiO3的混合物.
实施例7
一种汽车刹车片的摩擦材料组合物，其特征在于：所述摩擦材料组合物包括有以下重量份数的组成原料：
碳纤维改性酚醛树脂22份、碳纤维改性PC/ABS合金24份、玻璃纤维改性二苯醚甲醛树脂19份、酚醛树脂改性醇酸树脂16份、合金纤维9份、金属玻璃纤维12份、纳米级氮化硼和氮化硅混合粉末6份、石墨烯纤维9份、硫化碳炔纤维9份、碳酸钙和硫酸钙的混合晶须7份、鳞片石墨晶须4份、玻璃纤维3份、碳纤维改性四氟乙烯-乙烯共聚物15份、蛛丝蛋白纤维7份、增韧氧化铝空心球7份、防老剂4份、促进剂3份、分散剂3份以及紫外吸收剂2份。
作为优选的技术方案，所述合金纤维包括有以下百分含量的组成原料：
铁60wt％、锇8wt％、钛10wt％、锰4wt％、铬3wt％、钨5wt％、钒4wt％、钽3wt％和炭3wt％。
作为优选的技术方案，所述紫外吸收剂包括有γ-FeO(OH)、FeCO3、CuS2、FeTiO3和CaTiO3的混合物。
在本发明中，本发明的将常规刹车片摩擦材料组合物改为碳纤维改性的树脂与碳纤维进行混合，再通过添加其他高强度、高硬度、高韧性的材质纤维，混炼得到的刹车片摩擦材料组合物的刚强度和韧性大幅度提升；通过添加碳纤维、合金纤维，进一步提高了刹车片的导热性，将摩擦产生的热量及时导出；通过添加各种助剂，进一步提升摩擦材料组合物的整体性质，改善其结构，使得最终得到的组合物的刚强度、韧性、耐磨性具有显著地提升，复合所期要求，提高了刹车片摩擦材料组合物的耐磨性和实用性。
尽管已经示出和描述了本发明的实施例，对于本领域的普通技术人员而言，可以理解在不脱离本发明的原理和精神的情况下可以对这些实施例进行多种变化、修改、替换和变型，本发明的范围由所附权利要求及其等同物限定。
Claims (10)
1.一种汽车刹车片的摩擦材料组合物，其特征在于：所述摩擦材料组合物包括有以下重量份数的组成原料：
碳纤维改性酚醛树脂20-30份、碳纤维改性PC/ABS合金20-25份、玻璃纤维改性二苯醚甲醛树脂15-20份、酚醛树脂改性醇酸树脂15-20份、合金纤维8-13份、金属玻璃纤维6-13份、纳米级氮化硼和氮化硅混合粉末5-8份、石墨烯纤维6-12份、硫化碳炔纤维5-10份、碳酸钙和硫酸钙的混合晶须4-8份、鳞片石墨晶须3-5份以及玻璃纤维2-4份。
2.根据权利要求1所述的汽车刹车片的摩擦材料组合物，其特征在于：所述合金纤维包括有以下百分含量的组成原料：
铁60-70wt％、锇5-8wt％、钛5-10wt％、锰4-7wt％、铬3-6wt％、钨3-5wt％、钒2-4wt％、钽2-4wt％和炭3-8wt％。
3.根据权利要求2所述的汽车刹车片的摩擦材料组合物，其特征在于：所述摩擦材料组合物还包括有碳纤维改性四氟乙烯-乙烯共聚物9-16份。
4.根据权利要求3所述的汽车刹车片的摩擦材料组合物，其特征在于：所述摩擦材料组合物还包括有蛛丝蛋白纤维6-10份。
5.根据权利要求4所述的汽车刹车片的摩擦材料组合物，其特征在于：所述摩擦材料组合物还包括有增韧氧化铝空心球4-8份。
6.根据权利要求5所述的汽车刹车片的摩擦材料组合物，其特征在于：所述摩擦材料组合物还包括有防老剂2-5份。
7.根据权利要求6所述的汽车刹车片的摩擦材料组合物，其特征在于：所述摩擦材料组合物还包括有促进剂2-4份。
8.根据权利要求7所述的汽车刹车片的摩擦材料组合物，其特征在于：所述摩擦材料组合物还包括有分散剂2-3份。
9.根据权利要求8所述的汽车刹车片的摩擦材料组合物，其特征在于：所述摩擦材料组合物还包括有紫外吸收剂2-3份。
10.根据权利要求9所述的汽车刹车片的摩擦材料组合物，其特征在于：所述紫外吸收剂包括有γ-FeO(OH)、FeCO3、CuS2、FeTiO3和CaTiO3的混合物。
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