CN107353638B - Resin-based friction material filled with granulated zirconia and preparation method thereof - Google Patents
Resin-based friction material filled with granulated zirconia and preparation method thereof Download PDFInfo
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- MCMNRKCIXSYSNV-UHFFFAOYSA-N Zirconium dioxide Chemical compound O=[Zr]=O MCMNRKCIXSYSNV-UHFFFAOYSA-N 0.000 title claims abstract description 162
- 239000002783 friction material Substances 0.000 title claims abstract description 50
- 229920005989 resin Polymers 0.000 title claims abstract description 32
- 239000011347 resin Substances 0.000 title claims abstract description 32
- 238000002360 preparation method Methods 0.000 title claims abstract description 9
- 239000002245 particle Substances 0.000 claims abstract description 19
- 238000000034 method Methods 0.000 claims abstract description 14
- 239000002086 nanomaterial Substances 0.000 claims abstract description 6
- 239000000463 material Substances 0.000 claims abstract description 4
- TZCXTZWJZNENPQ-UHFFFAOYSA-L barium sulfate Chemical compound [Ba+2].[O-]S([O-])(=O)=O TZCXTZWJZNENPQ-UHFFFAOYSA-L 0.000 claims description 38
- KXGFMDJXCMQABM-UHFFFAOYSA-N 2-methoxy-6-methylphenol Chemical compound [CH]OC1=CC=CC([CH])=C1O KXGFMDJXCMQABM-UHFFFAOYSA-N 0.000 claims description 19
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 19
- 229910002804 graphite Inorganic materials 0.000 claims description 19
- 239000010439 graphite Substances 0.000 claims description 19
- 239000005011 phenolic resin Substances 0.000 claims description 19
- 229920001568 phenolic resin Polymers 0.000 claims description 19
- 239000004760 aramid Substances 0.000 claims description 16
- 229920003235 aromatic polyamide Polymers 0.000 claims description 16
- 239000000203 mixture Substances 0.000 claims description 10
- 238000000465 moulding Methods 0.000 claims description 6
- 239000002994 raw material Substances 0.000 claims description 6
- 239000002131 composite material Substances 0.000 claims description 4
- 229910000831 Steel Inorganic materials 0.000 claims description 3
- 229920006231 aramid fiber Polymers 0.000 claims description 3
- 239000010959 steel Substances 0.000 claims description 3
- 238000003756 stirring Methods 0.000 claims description 3
- 238000011084 recovery Methods 0.000 abstract description 5
- 230000009286 beneficial effect Effects 0.000 abstract description 2
- 239000006185 dispersion Substances 0.000 abstract 1
- 238000005562 fading Methods 0.000 abstract 1
- 238000005469 granulation Methods 0.000 abstract 1
- 230000003179 granulation Effects 0.000 abstract 1
- 238000009776 industrial production Methods 0.000 abstract 1
- 238000010438 heat treatment Methods 0.000 description 5
- 230000005540 biological transmission Effects 0.000 description 4
- 238000001816 cooling Methods 0.000 description 4
- 238000010586 diagram Methods 0.000 description 2
- QCWXUUIWCKQGHC-UHFFFAOYSA-N Zirconium Chemical compound [Zr] QCWXUUIWCKQGHC-UHFFFAOYSA-N 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 229910052726 zirconium Inorganic materials 0.000 description 1
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- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L77/00—Compositions of polyamides obtained by reactions forming a carboxylic amide link in the main chain; Compositions of derivatives of such polymers
- C08L77/10—Polyamides derived from aromatically bound amino and carboxyl groups of amino-carboxylic acids or of polyamines and polycarboxylic acids
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- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/18—Oxygen-containing compounds, e.g. metal carbonyls
- C08K3/20—Oxides; Hydroxides
- C08K3/22—Oxides; Hydroxides of metals
- C08K2003/2244—Oxides; Hydroxides of metals of zirconium
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/30—Sulfur-, selenium- or tellurium-containing compounds
- C08K2003/3045—Sulfates
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Abstract
Description
技术领域technical field
本发明涉及复合材料技术领域，具体涉及一种采用造粒氧化锆填充的树脂基摩擦材料及其制备方法。The invention relates to the technical field of composite materials, in particular to a resin-based friction material filled with granulated zirconia and a preparation method thereof.
背景技术Background technique
摩擦材料被广泛用于交通运输工具和机器设备的传动和制动中，是传动和制动系统中的关键部件。因此，对摩擦材料性能的要求也越来越高。相关技术中，半金属基的摩擦材料因其具有良好的耐温性、在高温下耐衰退性能以及制造成本适中而被广泛应用；但半金属基的摩擦材料产品的硬度高、制动时有噪音，制品表面易生锈，同时腐蚀对偶件，导热系数高造成安全性能降低、使用寿命缩短。Friction materials are widely used in the transmission and braking of vehicles and machinery, and are key components in transmission and braking systems. Therefore, the requirements for the performance of friction materials are getting higher and higher. In the related art, semi-metal-based friction materials are widely used because of their good temperature resistance, recession resistance at high temperatures, and moderate manufacturing costs; Noise, the surface of the product is easy to rust, and at the same time, the counterpart is corroded, and the high thermal conductivity causes the safety performance to be reduced and the service life to be shortened.
发明内容SUMMARY OF THE INVENTION
有鉴于此，本发明的实施例提供了一种摩擦系数高且稳定，抗热衰退性优异，且恢复性能好的造粒氧化锆的树脂基摩擦材料及其制备方法。In view of this, the embodiments of the present invention provide a resin-based friction material of granulated zirconia with high and stable friction coefficient, excellent thermal recession resistance, and good recovery performance, and a preparation method thereof.
为解决上述技术问题，本发明的实施例提供了一种造粒氧化锆填充的树脂基摩擦材料，由以下重量百分比的成分组成：造粒氧化锆5～25％、酚醛树脂12～18％、芳纶浆粕15～25％、石墨5～10％和硫酸钡35～55％。In order to solve the above technical problems, the embodiment of the present invention provides a resin-based friction material filled with granulated zirconia, which is composed of the following components by weight: 5-25% of granulated zirconia, 12-18% of phenolic resin, Aramid pulp 15-25%, graphite 5-10% and barium sulfate 35-55%.
优选地，所述造粒氧化锆的直径为5～50μm。Preferably, the diameter of the granulated zirconia is 5-50 μm.
本发明实施例还提供了一种所述造粒氧化锆填充的树脂基摩擦材料的制备方法，包括以下步骤：An embodiment of the present invention also provides a method for preparing the granulated zirconia filled resin-based friction material, comprising the following steps:
(1)采用纳米氧化锆制备造粒氧化锆；(1) using nano-zirconia to prepare granulated zirconia;
(2)按重量百分比称取原料，所述原料为芳纶浆粕、造粒氧化锆、酚醛树脂、石墨和硫酸钡；(2) take by weight raw material, described raw material is aramid fiber pulp, granulated zirconia, phenolic resin, graphite and barium sulfate;
(3)将所述芳纶浆粕投入高速混料机中，并混拌1分钟，然后将所述造粒氧化锆、酚醛树脂、石墨和硫酸钡同时投入所述高速混料机中，并搅拌3分钟得到均匀混合的混合料；(3) put the aramid pulp into the high-speed mixer, and mix for 1 minute, then put the granulated zirconia, phenolic resin, graphite and barium sulfate into the high-speed mixer at the same time, and Stir for 3 minutes to obtain a uniformly mixed mixture;
(4)将所述混合料投入到钢模具中，在温度160～180℃和压力10MPa的条件下成型，得到成型的材料样品；(4) Putting the mixture into a steel mold, and molding at a temperature of 160-180° C. and a pressure of 10 MPa, to obtain a molded material sample;
(5)将上述成型的复合材料样品在160～200℃的烘箱中固化4～6h，得到摩擦材料。(5) curing the above-mentioned composite material sample in an oven at 160-200° C. for 4-6 hours to obtain a friction material.
进一步地，所述纳米氧化锆的粒径为10～500nm。Further, the particle size of the nano-zirconia is 10-500 nm.
进一步地，所述步骤(4)中，成型过程中有3～6次排气过程，排气完成后在10MPa的压力下保压6～10min。Further, in the step (4), there are 3 to 6 exhausting processes in the molding process, and after the exhausting is completed, the pressure is maintained at a pressure of 10 MPa for 6 to 10 minutes.
与相关技术比较，本发明实施例提供的技术方案带来的有益效果是：本发明实施例的造粒氧化锆填充的树脂基摩擦材料，配方简单，在树脂基中添加造粒氧化锆的摩擦材料，可有效调控和稳定摩擦系数，扩大树脂基摩擦材料的应用范围。Compared with the related art, the beneficial effects brought by the technical solutions provided in the embodiments of the present invention are: the granulated zirconia-filled resin-based friction material of the embodiments of the present invention has a simple formula, and the friction material of the granulated zirconia is added to the resin base. It can effectively control and stabilize the friction coefficient, and expand the application range of resin-based friction materials.
附图说明Description of drawings
图1是本发明实施例的摩擦材料的制备方法流程示意图；Fig. 1 is the schematic flow chart of the preparation method of the friction material of the embodiment of the present invention;
图2是本发明实施例添加不同比例造粒氧化锆的摩擦材料的摩擦系数随温度变化示意图；Fig. 2 is a schematic diagram of the variation of friction coefficient with temperature of friction materials of granulated zirconia in different proportions according to the embodiment of the present invention;
图3是本发明实施例添加不同比例造粒氧化锆的摩擦材料的摩擦系数的抗热衰退率和恢复率示意图。3 is a schematic diagram showing the thermal decay resistance and recovery rate of friction coefficients of friction materials added with granulated zirconia in different proportions according to an embodiment of the present invention.
具体实施方式Detailed ways
为使本发明的目的、技术方案和优点更加清楚，下面将结合附图对本发明实施方式作进一步地描述。In order to make the objectives, technical solutions and advantages of the present invention clearer, the embodiments of the present invention will be further described below with reference to the accompanying drawings.
实施例一Example 1
本发明的实施例提供了一种造粒氧化锆填充的树脂基摩擦材料，由以下重量百分比的成分组成：造粒氧化锆5～25％、酚醛树脂12～18％、芳纶浆粕15～25％、石墨5～10％和硫酸钡35～55％；所述造粒氧化锆的粒径为5～50μm。添加造粒氧化锆的树脂基摩擦材料，在高温条件下摩擦系数仍然可保持稳定，不易出现热衰退的现象，保证制动效能，提高安全性；增大树脂基摩擦材料的应用范围。The embodiment of the present invention provides a resin-based friction material filled with granulated zirconia, which is composed of the following components by weight: 5-25% of granulated zirconia, 12-18% of phenolic resin, and 15-15% of aramid pulp. 25%, 5-10% of graphite and 35-55% of barium sulfate; the particle size of the granulated zirconia is 5-50 μm. The resin-based friction material with the addition of granulated zirconia can still maintain a stable friction coefficient under high temperature conditions, and is not prone to thermal recession, ensuring braking performance and improving safety; increasing the application range of resin-based friction materials.
参照附图1，本发明实施例还提供了一种所述造粒氧化锆填充的树脂基摩擦材料的制备方法，包括以下步骤：Referring to FIG. 1, an embodiment of the present invention also provides a preparation method of the granulated zirconia filled resin-based friction material, comprising the following steps:
(1)采用纳米氧化锆制备造粒氧化锆，所述纳米氧化锆的粒径为10～500nm；纳米氧化锆经造粒后，得到粒径为微米级、结构为纳米结构的造粒氧化锆；(1) Using nano-zirconia to prepare granulated zirconia, the particle size of the nano-zirconia is 10-500 nm; after the nano-zirconia is granulated, a granulated zirconia with a micron particle size and a nano-structure is obtained ;
(2)按重量百分比称取原料，所述原料为芳纶浆粕、造粒氧化锆、酚醛树脂、石墨和硫酸钡；(2) take by weight raw material, described raw material is aramid fiber pulp, granulated zirconia, phenolic resin, graphite and barium sulfate;
(3)将所述芳纶浆粕投入高速混料机中，并混拌1分钟，然后将所述造粒氧化锆、酚醛树脂、石墨和硫酸钡同时投入所述高速混料机中，并搅拌3分钟得到均匀混合的混合料；(3) put the aramid pulp into the high-speed mixer, and mix for 1 minute, then put the granulated zirconia, phenolic resin, graphite and barium sulfate into the high-speed mixer at the same time, and Stir for 3 minutes to obtain a uniformly mixed mixture;
(4)将所述混合料投入到钢模具中，在温度160～180℃和压力10MPa的条件下成型，得到成型的材料样品；(4) Putting the mixture into a steel mold, and molding at a temperature of 160-180° C. and a pressure of 10 MPa, to obtain a molded material sample;
(5)将上述成型的复合材料样品在160～200℃的烘箱中固化4～6h，得到摩擦材料。(5) curing the above-mentioned composite material sample in an oven at 160-200° C. for 4-6 hours to obtain a friction material.
优选地，所述步骤(4)中，成型过程中有3～6次排气过程，排气完成后在10MPa的压力下保压6～10min。Preferably, in the step (4), there are 3 to 6 exhausting processes in the molding process, and after the exhausting is completed, the pressure is maintained at a pressure of 10 MPa for 6 to 10 minutes.
本发明实施例的制备过程简单，易于操作，造粒氧化锆将纳米结构引入树脂基的摩擦材料中，为摩擦材料引入了纳米结构的优点，同时微米级粒径的氧化锆颗粒易于分散，便于混料的均匀性，也进一步提高了摩擦材料摩擦系数的稳定；可广泛应用于汽车、工程机械等需要传动和制动的领域。The preparation process of the embodiment of the present invention is simple and easy to operate. The granulated zirconia introduces nanostructures into the resin-based friction material, which brings the advantages of nanostructures into the friction material. The uniformity of the mixture further improves the stability of the friction coefficient of the friction material; it can be widely used in fields that require transmission and braking such as automobiles and construction machinery.
实施例二Embodiment 2
取0、5％、10％、20％的造粒氧化锆和相同量的酚醛树脂、芳纶浆粕、石墨和硫酸钡按实施例一的制备方法分别制备摩擦材料，所制备的摩擦材料进行摩擦系数、抗热衰退率和恢复率的测定。Take 0, 5%, 10%, 20% of granulated zirconia and the same amount of phenolic resin, aramid pulp, graphite and barium sulfate to prepare friction materials respectively according to the preparation method of Example 1. Determination of coefficient of friction, thermal decay resistance and recovery rate.
参照附图2、3，添加5％或10％的造粒氧化锆的树脂基摩擦材料的摩擦系数较未添加造粒氧化锆的摩擦材料摩擦系数明显较大，且较为稳定；同时造粒氧化锆的含量不宜添加过多；添加造粒氧化锆的升温后的摩擦系数回复率明显较好。Referring to Figures 2 and 3, the friction coefficient of the resin-based friction material added with 5% or 10% of granulated zirconia is significantly larger and more stable than that of the friction material without granulated zirconia; The content of zirconium should not be added too much; the recovery rate of friction coefficient after adding granulated zirconia is obviously better.
实施例三Embodiment 3
本发明的实施例提供了一种造粒氧化锆填充的树脂基摩擦材料，由以下重量百分比的成分组成：造粒氧化锆5％、酚醛树脂15％、芳纶浆粕20％、石墨10％和硫酸钡50％。An embodiment of the present invention provides a resin-based friction material filled with granulated zirconia, which is composed of the following components by weight: 5% of granulated zirconia, 15% of phenolic resin, 20% of aramid pulp, and 10% of graphite and barium sulfate 50%.
优选地，所述纳米氧化锆的直径为50nm；所述造粒氧化锆的粒径为30μm；其余同实施例一。Preferably, the diameter of the nano-zirconia is 50 nm; the particle size of the granulated zirconia is 30 μm; the rest are the same as the first embodiment.
实施例四Embodiment 4
本发明的实施例提供了一种造粒氧化锆填充的树脂基摩擦材料，由以下重量百分比的成分组成：造粒氧化锆10％、酚醛树脂18％、芳纶浆粕22％、石墨10％和硫酸钡40％。An embodiment of the present invention provides a resin-based friction material filled with granulated zirconia, which is composed of the following components by weight: 10% of granulated zirconia, 18% of phenolic resin, 22% of aramid pulp, and 10% of graphite and
优选地，所述纳米氧化锆的直径为10nm；所述造粒氧化锆的粒径为5μm；其余同实施例一。Preferably, the diameter of the nano-zirconia is 10 nm; the particle size of the granulated zirconia is 5 μm; the rest are the same as those in the first embodiment.
实施例五Embodiment 5
本发明的实施例提供了一种造粒氧化锆填充的树脂基摩擦材料，由以下重量百分比的成分组成：造粒氧化锆15％、酚醛树脂15％、芳纶浆粕25％、石墨10％和硫酸钡35％。An embodiment of the present invention provides a resin-based friction material filled with granulated zirconia, which is composed of the following components by weight: 15% of granulated zirconia, 15% of phenolic resin, 25% of aramid pulp, and 10% of graphite and barium sulfate 35%.
优选地，所述纳米氧化锆的直径为500nm；所述造粒氧化锆的粒径为50μm；其余同实施例一。Preferably, the diameter of the nano-zirconia is 500 nm; the particle size of the granulated zirconia is 50 μm; the rest are the same as the first embodiment.
实施例六Embodiment 6
本发明的实施例提供了一种造粒氧化锆填充的树脂基摩擦材料，由以下重量百分比的成分组成：造粒氧化锆10％、酚醛树脂15％、芳纶浆粕25％、石墨10％和硫酸钡40％。An embodiment of the present invention provides a resin-based friction material filled with granulated zirconia, which is composed of the following components by weight: 10% of granulated zirconia, 15% of phenolic resin, 25% of aramid pulp, and 10% of graphite and
优选地，所述纳米氧化锆的直径为200nm；所述造粒氧化锆的粒径为40μm；其余同实施例一。Preferably, the diameter of the nano-zirconia is 200 nm; the particle size of the granulated zirconia is 40 μm; the rest are the same as those in the first embodiment.
实施例七Embodiment 7
本发明的实施例提供了一种造粒氧化锆填充的树脂基摩擦材料，由以下重量百分比的成分组成：造粒氧化锆10％、酚醛树脂12％、芳纶浆粕20％、石墨10％和硫酸钡48％。An embodiment of the present invention provides a resin-based friction material filled with granulated zirconia, which is composed of the following components by weight: 10% of granulated zirconia, 12% of phenolic resin, 20% of aramid pulp, and 10% of graphite and barium sulfate 48%.
优选地，所述纳米氧化锆的直径为100nm；所述造粒氧化锆的粒径为20μm；其余同实施例一。Preferably, the diameter of the nano-zirconia is 100 nm; the particle size of the granulated zirconia is 20 μm; the rest are the same as the first embodiment.
实施例八Embodiment 8
分别取实施例三～七的摩擦材料以及其对应未添加造粒氧化锆的摩擦材料分别进行升温过程的摩擦系数、磨损率的测定，降温过程摩擦系数的测定，测定结果分别如下表所示。The friction materials of Examples 3 to 7 and their corresponding friction materials without granulated zirconia were respectively taken to measure the friction coefficient and wear rate in the heating process and the friction coefficient in the cooling process. The measurement results are shown in the following table.
表一 升温过程摩擦系数比较/格式/Table 1 Comparison of friction coefficients during heating process/format/
表二 升温过程磨损率比较Table 2 Comparison of wear rate during heating process
表三 降温过程摩擦系数比较Table 3 Comparison of friction coefficients in cooling process
由表一和表三可看出，添加造粒氧化锆的树脂基摩擦材料升温和降温过程的摩擦系数范围是0.43～0.54，且较为稳定；而未添加造粒氧化锆的树脂基摩擦材料升温和降温过程的摩擦系数均小于添加造粒氧化锆的树脂基摩擦材料的摩擦系数；由表二可看出，两者升温过程中磨损率相近，表明本发明实施例的摩擦材料摩擦系数稳定，可广泛应用于传动、制动工件上。It can be seen from Tables 1 and 3 that the friction coefficient of the resin-based friction material with the addition of granulated zirconia during the heating and cooling process ranges from 0.43 to 0.54, and it is relatively stable; while the resin-based friction material without the addition of granulated zirconia heats up. The friction coefficient of the friction material and the cooling process are smaller than the friction coefficient of the resin-based friction material added with granulated zirconia; as can be seen from Table 2, the wear rates in the heating process of the two are similar, indicating that the friction coefficient of the friction material in the embodiment of the present invention is stable, It can be widely used in transmission and braking workpieces.
在本文中，所涉及的前、后、上、下等方位词是以附图中零部件位于图中以及零部件相互之间的位置来定义的，只是为了表达技术方案的清楚及方便。应当理解，所述方位词的使用不应限制本申请请求保护的范围。In this document, the related terms such as front, rear, upper and lower are defined by the positions of the components in the drawings and the positions between the components, which are only for the clarity and convenience of expressing the technical solution. It should be understood that the use of the locative words should not limit the scope of protection claimed in this application.
在不冲突的情况下，本文中上述实施例及实施例中的特征可以相互结合。The above-described embodiments and features of the embodiments herein may be combined with each other without conflict.
以上所述仅为本发明的较佳实施例，并不用以限制本发明，凡在本发明的精神和原则之内，所作的任何修改、等同替换、改进等，均应包含在本发明的保护范围之内。The above are only preferred embodiments of the present invention and are not intended to limit the present invention. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principles of the present invention shall be included in the protection of the present invention. within the range.
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| CN103992769A (en) * | 2014-05-05 | 2014-08-20 | 浙江杭摩欧亿汽车零部件有限公司 | Copper-free high-performance environment-friendly type friction material for saloon car and preparation method thereof |
| CN104109342A (en) * | 2014-07-18 | 2014-10-22 | 盐城工学院 | Low-noise heat-fade-resistant resin-base friction material |
| CN104130748A (en) * | 2014-07-18 | 2014-11-05 | 盐城工学院 | Resin-based friction material |
| CN106051004A (en) * | 2016-06-29 | 2016-10-26 | 芜湖德业摩擦材料有限公司 | Dedicated friction material for car brake pad |
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| CN104109342A (en) * | 2014-07-18 | 2014-10-22 | 盐城工学院 | Low-noise heat-fade-resistant resin-base friction material |
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