CN110792708B - Environment-friendly friction material and product thereof - Google Patents

Environment-friendly friction material and product thereof Download PDF

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Publication number
CN110792708B
CN110792708B CN201911076164.1A CN201911076164A CN110792708B CN 110792708 B CN110792708 B CN 110792708B CN 201911076164 A CN201911076164 A CN 201911076164A CN 110792708 B CN110792708 B CN 110792708B
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parts
environment
powder
fiber
friction material
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CN110792708A (en
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王华南
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Fujian Jinjiang Kaiyan New Material Research Institute Co.,Ltd.
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Jinjiang Kaiyan New Material Technology Co ltd
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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
    • F16D69/00—Friction linings; Attachment thereof; Selection of coacting friction substances or surfaces
    • F16D69/02—Compositions of linings; Methods of manufacturing
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29B—PREPARATION OR PRETREATMENT OF THE MATERIAL TO BE SHAPED; MAKING GRANULES OR PREFORMS; RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIAL CONTAINING PLASTICS
    • B29B17/00—Recovery of plastics or other constituents of waste material containing plastics
    • B29B17/04—Disintegrating plastics, e.g. by milling
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29B—PREPARATION OR PRETREATMENT OF THE MATERIAL TO BE SHAPED; MAKING GRANULES OR PREFORMS; RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIAL CONTAINING PLASTICS
    • B29B9/00—Making granules
    • B29B9/02—Making granules by dividing preformed material
    • B29B9/06—Making granules by dividing preformed material in the form of filamentary material, e.g. combined with extrusion
    • C—CHEMISTRY; METALLURGY
    • C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B26/00—Compositions of mortars, concrete or artificial stone, containing only organic binders, e.g. polymer or resin concrete
    • C04B26/02—Macromolecular compounds
    • C04B26/10—Macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds
    • C04B26/12—Condensation polymers of aldehydes or ketones
    • C04B26/122—Phenol-formaldehyde condensation polymers
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
    • F16D69/00—Friction linings; Attachment thereof; Selection of coacting friction substances or surfaces
    • F16D69/02—Compositions of linings; Methods of manufacturing
    • F16D69/027—Compositions based on metals or inorganic oxides
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
    • F16D2200/00—Materials; Production methods therefor
    • F16D2200/0004—Materials; Production methods therefor metallic
    • F16D2200/0008—Ferro
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
    • F16D2200/00—Materials; Production methods therefor
    • F16D2200/0004—Materials; Production methods therefor metallic
    • F16D2200/0026—Non-ferro
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
    • F16D2200/00—Materials; Production methods therefor
    • F16D2200/0034—Materials; Production methods therefor non-metallic
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
    • F16D2200/00—Materials; Production methods therefor
    • F16D2200/0034—Materials; Production methods therefor non-metallic
    • F16D2200/0056—Elastomers
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
    • F16D2200/00—Materials; Production methods therefor
    • F16D2200/006—Materials; Production methods therefor containing fibres or particles
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
    • F16D2200/00—Materials; Production methods therefor
    • F16D2200/0082—Production methods therefor
    • F16D2200/0086—Moulding materials together by application of heat and pressure
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
    • Y02W30/00—Technologies for solid waste management
    • Y02W30/50—Reuse, recycling or recovery technologies
    • Y02W30/52—Mechanical processing of waste for the recovery of materials, e.g. crushing, shredding, separation or disassembly
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
    • Y02W30/00—Technologies for solid waste management
    • Y02W30/50—Reuse, recycling or recovery technologies
    • Y02W30/62—Plastics recycling; Rubber recycling

Abstract

The invention relates to an environment-friendly friction material which is composed of the following components in parts by weight: 8-15 parts of a binding material, 3-8 parts of organic fiber, 3-8 parts of inorganic fiber, 3-8 parts of an antifriction material, 15-25 parts of granite stone powder, 35-40 parts of marble powder, 6-10 parts of a modified organic filling material, 5-10 parts of an acid-base adjusting material and 0.5-4.5 parts of a non-copper metal material; the modified organic filling material comprises the following components in parts by weight: 20-50 parts of tire powder, 15-25 parts of sole waste, 10-15 parts of sepiolite fibers, 2-3 parts of silane coupling agent, 2-5 parts of cashew nut shell oil and 0.5-2 parts of activating agent; wherein the sole waste comprises 15-30% POE and 5-15% EPDM. The invention has reasonable compatibility, has the excellent characteristics of noise reduction, heat resistance and small dual damage under the condition of ensuring moderate and stable friction coefficient, changes waste into valuable, and is energy-saving and environment-friendly.

Description

Environment-friendly friction material and product thereof
Technical Field
The invention belongs to the technical field of friction materials, and particularly relates to an environment-friendly friction material and a product thereof.
Background
The brake pad belongs to the most critical safety part in the braking system of car, and the good or bad of all braking effects all plays the decisive role as the brake pad, and the brake pad generally comprises steel sheet, bonding insulating layer and clutch blocks, and wherein the insulating layer comprises the material that does not conduct heat, and the purpose is thermal-insulated. The friction block is composed of friction material and adhesive, and is extruded on a brake disc or a brake drum to generate friction when braking, so that the aim of decelerating and braking the vehicle is fulfilled.
The friction brake material should mainly meet the following technical requirements: (1) proper and stable friction coefficient, and small difference between dynamic and static friction coefficients; (2) the mechanical strength and the physical property are good; (3) the heat resistance and the abrasion resistance are good; (4) low friction noise, little damage to mating parts, environmental protection, no pollution and the like.
In addition, a large amount of waste materials are generated in the processing process of the stone, the waste materials mainly comprise leftover materials and stone powder, a large amount of stone powder with small particle size is mainly generated in the cutting process of the stone, solid matters formed after the stone powder is collected and subjected to solid-liquid separation are stone powder blocks containing certain moisture, the stone powder is not provided with a good treatment method and can only be stacked, if the stone powder is only stacked, waste of land and resources is caused, water sources are polluted, and great harm is caused. Therefore, how to treat and utilize the stone powder, including marble powder and granite powder, to change waste into valuable has become a very interesting problem for stone enterprises.
In addition, a sole factory can also generate a large amount of sole waste materials in the production and processing process, the sole waste materials can be recycled, if the sole waste materials are not recycled, the sole waste materials can be directly combusted, the atmosphere can be seriously polluted, and if the sole waste materials are recycled, the environment can be protected, and the production cost can be reduced.
Chinese patent publication (CN109654144A) discloses a friction material for an automobile friction plate, which comprises the following components in percentage by mass: 10-12% of barite powder, 10-16% of steel fiber, 8-14% of reduced iron powder, 10-15% of resin, 1-3% of tire powder, 1-3% of nitrile rubber powder, 2-5% of friction powder, 1-5% of carbon black, 1-2% of aluminum oxide, 1-7% of vermiculite, 1-5% of chromium ore powder, 1-5% of brass powder, 1-10% of paper fiber and 5-15% of mineral fiber. The scheme provides a technical idea that the tire powder is used as a component of the friction material, but the prior art still does not research a precedent for adding the tire powder, the stone waste and the sole waste into the friction material.
Disclosure of Invention
The invention aims to provide an environment-friendly friction material prepared from tire powder, granite powder, marble powder and other functional components, which reduces environmental pollution and ensures that the friction performance of the friction material meets requirements.
In order to achieve the purpose, the invention adopts the technical scheme that:
an environment-friendly friction material comprises the following components in parts by weight: 8-15 parts of a binding material, 3-8 parts of organic fiber, 3-8 parts of inorganic fiber, 3-8 parts of an antifriction material, 15-25 parts of granite stone powder, 35-40 parts of marble powder, 6-10 parts of a modified organic filling material, 5-10 parts of an acid-base adjusting material and 0.5-4.5 parts of a non-copper metal material.
Wherein: the binding material is one or a combination of more of phenolic resin, boron modified phenolic resin, cashew nut shell oil modified phenolic resin and natural rubber; the organic fiber is one or more of aramid fiber and polyacrylic fiber; the inorganic fiber is one or a combination of more of potassium titanate fiber, glass fiber, ceramic fiber and basalt fiber; the antifriction material comprises one or a combination of more of graphite, tin sulfide, molybdenum disulfide and the like; the acid-base adjusting material is one or a combination of more of calcium hydroxide, gypsum powder, lime and slaked lime; the non-copper metal material is one or a combination of more of titanium, iron, nickel, zinc and heat-resistant hard aluminum.
The modified organic filling material comprises the following components in parts by weight: 20-50 parts of tire powder, 15-25 parts of sole waste, 10-15 parts of sepiolite fibers, 2-3 parts of silane coupling agent, 2-5 parts of cashew nut shell oil and 0.5-2 parts of activating agent; wherein the sole waste comprises 15-30% POE and 5-15% EPDM.
The preparation process of the modified organic filling material specifically comprises the following steps:
s1, sepiolite fiber modification treatment: adding the dried sepiolite fibers and deionized water in parts by weight into a dispersing agent according to the solid-to-liquid ratio of 1: 5, performing dispersion treatment for 5min at 1500 r/min-1800 r/min, adding the silane coupling agent in parts by weight, increasing the rotating speed to 2500r/min, performing dispersion treatment for 60min, drying the prepared slurry in a constant-temperature drying oven at 110 ℃, and finely crushing the dried modified sepiolite fibers by using a ball mill for later use;
s2, tire powder activation treatment: mixing the tire powder, the cashew nut shell oil and the activating agent in parts by weight in a high-speed stirrer with the rotating speed of 70-100 r/min for 5-10 min, then carrying out activation modification on the premixed powder in a torque rheometer with the rotating speed of 70-100 r/min and the temperature of 120-160 ℃, modifying for 5-30 min to obtain modified tire powder, and finally cooling the modified tire powder to the normal temperature under natural conditions for later use;
s3, pretreatment of the sole waste: stripping to remove impurities and leave the EVA insole, transferring into a chopper for physical chopping, washing and drying to obtain sole waste for later use;
s4, taking the modified sepiolite fibers in the step S1, the modified tire powder in the step S2 and the sole waste in the step S3, fully and uniformly mixing, and feeding the mixture into a double-screw extruder for melting, extruding and granulating.
The invention also provides an environment-friendly friction material product which comprises a friction layer made of the environment-friendly friction material.
Compared with the prior art, the invention has the following beneficial effects:
according to the invention, granite powder and marble powder are added into a friction material formula, and a modified organic filling material taking tire powder and sole powder as main materials is added, and the components such as a combination material, an organic fiber material, an inorganic fiber material and a non-copper metal material are matched, so that the friction material has reasonable compatibility, has excellent characteristics of noise reduction, heat resistance and small dual damage under the condition of ensuring moderate and stable friction coefficient, changes waste into valuable, and is energy-saving and environment-friendly.
The invention carries out activation modification on the tire powder through the cashew nut shell oil and the activating agent, adds active groups on the surface of the tire powder, can improve the bonding tightness of the tire powder and the sole waste material on the one hand, and the rubber is toughened in cooperation with POE in the sole waste, on the other hand, a cross-linked network on the surface of the tire powder is broken to form a small molecular chain segment with certain viscosity, the interior of the small molecular chain segment contains elastic rubber particles, the inner structure and the outer structure are combined, and the small molecular chain segment is similar to a core-shell structure, the modified tire powder has more excellent comprehensive performance and heat resistance, the surfaces of the modified tire powder and the sepiolite fibers have more holes and larger specific surface area, the bonding force among the modified tire powder, the sole waste and the sepiolite fibers is facilitated, the vibration can be reduced, the noise with certain wavelength can be absorbed, meanwhile, the brake pad can be better attached to the dual surface, so that damage to the dual surface is prevented, and damage to the brake pair is reduced.
Detailed Description
The following examples 1 to 8 and comparative examples 1 to 4 are proposed with respect to the environment-friendly friction material of the present invention, wherein comparative example 1 is a control experiment of example 1 except that the chemical composition POE content in the sole waste material employed in comparative example 1 is 12%; comparative example 2 is also a control experiment of example 1, except that the modified organic filler material of comparative example 2 uses only a mixture of tire powder and shoe sole waste in the same mass ratio, and is not subjected to modification treatment; comparative example 3 is also a control experiment of example 1, except that the modified organic filler material of comparative example 3 is 5 parts by weight and the preparation process of the modified organic filler material is consistent; comparative example 4 is also a control experiment of example 1, except that comparative example 4 does not use the modified organic filler material, granite stone powder and marble powder, but replaces it with zirconium silicate, alumina, calcium carbonate, mica, polytetrafluoroethylene, cashew nut shell oil friction powder. The composition of each of examples 1-8 and comparative examples 1-4 is shown in tables 1, 2, 3, and 4.
Table 1: specific composition tables of examples 1 to 8 of modified organic Filler of the present invention and comparative examples 1 to 3
Figure BDA0002262514910000031
Table 2: specific composition table of examples 1 to 4 of the Environment-friendly Friction Material of the present invention
Figure BDA0002262514910000041
Table 3: specific composition tables of examples 5 to 8 of the Environment-friendly Friction Material of the present invention
Figure BDA0002262514910000051
Table 4: specific composition tables of comparative examples 1 to 4 of Environment-friendly Friction Material of the present invention
Figure BDA0002262514910000061
The preparation processes of the modified organic filling materials of the above examples 1 to 8 and comparative examples 1 and 3 all adopt the following steps:
s1, sepiolite fiber modification treatment: adding the dried sepiolite fibers and deionized water in parts by weight into a dispersing agent according to the solid-to-liquid ratio of 1: 5, performing dispersion treatment for 5min at 1500 r/min-1800 r/min, adding the silane coupling agent in parts by weight, increasing the rotating speed to 2500r/min, performing dispersion treatment for 60min, drying the prepared slurry in a constant-temperature drying oven at 110 ℃, and finely crushing the dried modified sepiolite fibers by using a ball mill for later use;
s2, tire powder activation treatment: mixing the tire powder, the cashew nut shell oil and the activating agent in parts by weight in a high-speed stirrer with the rotating speed of 70-100 r/min for 5-10 min, then carrying out activation modification on the premixed powder in a torque rheometer with the rotating speed of 70-100 r/min and the temperature of 120-160 ℃, modifying for 5-30 min to obtain modified tire powder, and finally cooling the modified tire powder to the normal temperature under natural conditions for later use;
s3, pretreatment of the sole waste: stripping to remove impurities and leave the EVA insole, transferring into a chopper for physical chopping, washing and drying to obtain sole waste for later use;
s4, taking the modified sepiolite fibers in the step S1, the modified tire powder in the step S2 and the sole waste in the step S3, fully and uniformly mixing, and feeding the mixture into a double-screw extruder for melting, extruding and granulating.
In addition, the invention also provides an environment-friendly friction material product which respectively comprises friction layers made of the environment-friendly friction materials in the embodiments 1 to 8.
Each of the formulations shown in tables 1 to 4 was mixed with each component for a friction material by a stirrer for 10min to obtain a uniformly mixed friction material mixture, followed by pressurizing the friction material mixture at a temperature of 160 ℃ and a pressure of 16MPa for 5 seconds, then exhausting the gas for 5 seconds, and circulating 5 times to obtain a press-molded product, which was then heat-treated at a temperature of 190 ℃ for 2 hours, and finally the heat-treated product was spray-coated with a protective paint and cured at a temperature of 160 ℃ for 20 min.
And then, respectively testing the braking efficiency of the second efficiency, the third efficiency and the fourth efficiency according to a bench test method of the JASO C406-2000 car braking device, and respectively testing the average abrasion loss of the brake pad and the brake disc according to a wear test method of JASO C427-2009 automobile part-drum brake pad and disc brake pad-bench, wherein the test results are shown in tables 5-6.
The frequency of occurrence of noise was evaluated as the noise occurrence rate by dividing the frequency of occurrence of noise (not less than 55dB) which is unacceptable to a human body and is generated by the generated sound when a bench test apparatus of a brake device of a JASO C406-2000 car was used for a test.
And then, carrying out noise test of loading: the incidence of noise (≧ 55dB) was evaluated according to the following criteria, with loading detection at initial speeds of 30km/h and 50km/h, deceleration of 0.49-1.96m/s2, temperature of 50-200 ℃, and 200 repetitions.
Wherein: good: the noise incidence is below 1% (including 1%); well: the noise incidence is above 1% (excluding 1%) and less than 30% (including 30%); difference: the noise occurrence rate is more than 30% (excluding 30%).
Table 5: physical property test results of examples 2 to 7 of friction layers made of the environment-friendly friction material of the present invention are shown in the table
Figure BDA0002262514910000081
Table 6: tables showing results of physical property tests of friction layers obtained from friction materials of comparative examples 1 to 4 and example 1
Figure BDA0002262514910000082
While there have been shown and described what are at present considered the fundamental principles and essential features of the invention and its advantages, it will be understood by those skilled in the art that the invention is not limited by the embodiments described above, which are merely illustrative of the principles of the invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the invention as defined by the appended claims and their equivalents.

Claims (9)

1. The environment-friendly friction material is characterized in that: the environment-friendly friction material comprises the following components in parts by weight: 8-15 parts of a binding material, 3-8 parts of organic fiber, 3-8 parts of inorganic fiber, 3-8 parts of an antifriction material, 15-25 parts of granite stone powder, 35-40 parts of marble powder, 6-10 parts of a modified organic filling material, 5-10 parts of an acid-base adjusting material and 0.5-4.5 parts of a non-copper metal material; the modified organic filling material comprises the following components in parts by weight: 20-50 parts of tire powder, 15-25 parts of sole waste, 10-15 parts of sepiolite fibers, 2-3 parts of silane coupling agent, 2-5 parts of cashew nut shell oil and 0.5-2 parts of activating agent; wherein the sole waste comprises 15-30% POE and 5-15% EPDM.
2. The environment-friendly friction material according to claim 1, wherein: the binding material is one or a combination of more of phenolic resin, boron modified phenolic resin, cashew nut shell oil modified phenolic resin and natural rubber.
3. The environment-friendly friction material according to claim 1, wherein: the organic fiber is one or more of aramid fiber and polyacrylic fiber.
4. The environment-friendly friction material according to claim 1, wherein: the inorganic fiber is one or a combination of more of potassium titanate fiber, glass fiber, ceramic fiber and basalt fiber.
5. The environment-friendly friction material according to claim 1, wherein: the antifriction material comprises one or a combination of several of graphite, tin sulfide and molybdenum disulfide.
6. The environment-friendly friction material according to claim 1, wherein: the acid-base adjusting material is one or a combination of more of calcium hydroxide, gypsum powder, lime and slaked lime.
7. The environment-friendly friction material according to claim 1, wherein: the non-copper metal material is one or a combination of more of titanium, iron, nickel, zinc and heat-resistant hard aluminum.
8. The environment-friendly friction material according to claim 1, wherein: the preparation process of the modified organic filling material specifically comprises the following steps:
s1, sepiolite fiber modification treatment: adding the dried sepiolite fibers and deionized water in parts by weight into a dispersing agent according to the solid-to-liquid ratio of 1: 5, performing dispersion treatment for 5min at 1500 r/min-1800 r/min, adding the silane coupling agent in parts by weight, increasing the rotating speed to 2500r/min, performing dispersion treatment for 60min, drying the prepared slurry in a constant-temperature drying oven at 110 ℃, and finely crushing the dried modified sepiolite fibers by using a ball mill for later use;
s2, tire powder activation treatment: mixing the tire powder, the cashew nut shell oil and the activating agent in parts by weight in a high-speed stirrer with the rotating speed of 70-100 r/min for 5-10 min, then carrying out activation modification on the premixed powder in a torque rheometer with the rotating speed of 70-100 r/min and the temperature of 120-160 ℃, modifying for 5-30 min to obtain modified tire powder, and finally cooling the modified tire powder to the normal temperature under natural conditions for later use;
s3, pretreatment of the sole waste: stripping to remove impurities and leave the EVA insole, transferring into a chopper for physical chopping, washing and drying to obtain sole waste for later use;
s4, taking the modified sepiolite fibers in the step S1, the modified tire powder in the step S2 and the sole waste in the step S3, fully and uniformly mixing, and feeding the mixture into a double-screw extruder for melting, extruding and granulating.
9. An environment-friendly friction material product is characterized in that: comprising a friction layer made of the environment-friendly friction material as defined in any one of claims 1 to 8.
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CN112682446B (en) * 2020-12-21 2022-09-16 蚌埠市科达电器有限公司 Preparation method of high-wear-resistance sector clutch friction block
CN113775681A (en) * 2021-07-23 2021-12-10 福建省晋江凯燕新材料研究院有限公司 Wear-resistant anti-cracking environment-friendly friction material and product thereof
CN117307640B (en) * 2023-09-27 2024-03-12 东营宝丰汽车配件有限公司 Friction material for carbon ceramic brake disc and preparation method thereof
CN117229593A (en) * 2023-10-30 2023-12-15 许绝电工股份有限公司 Low-temperature-resistant low-heat-conductivity insulating material and preparation method thereof
CN117380953B (en) * 2023-12-06 2024-02-23 成都超德创科技有限公司 Environment-friendly friction material for electromagnetic brake and preparation method thereof

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101074289A (en) * 2007-06-26 2007-11-21 华南理工大学 Double hot-rolling composite friction material and its production
CN105154008A (en) * 2015-10-20 2015-12-16 晋江凯燕化工有限公司 Copper-free friction material for driving/braking and product of copper-free friction material
CN106574169A (en) * 2014-08-01 2017-04-19 日清纺制动器株式会社 Friction material
CN110273953A (en) * 2019-07-03 2019-09-24 晋江凯燕新材料科技有限公司 Without copper without asbestos organic friction material and product

Family Cites Families (21)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5543124A (en) * 1978-09-22 1980-03-26 Hitachi Ltd Friction material
JPS56171440U (en) * 1980-05-23 1981-12-18
EP0324908A3 (en) * 1987-12-28 1990-11-07 AlliedSignal Inc. Improved friction resistant composition
JPH0236292A (en) * 1988-07-26 1990-02-06 Aisin Chem Co Ltd Friction material
GB9114099D0 (en) * 1991-06-29 1991-08-14 Ciba Geigy Ag Compositions
ATE301162T1 (en) * 1997-08-07 2005-08-15 Tarkett Sommer Sa FLOOR, WALL COVERING OR SOUND ABSORPTION PRODUCTS MADE OF FILLED POLYMER MATERIALS
US6022502A (en) * 1997-09-30 2000-02-08 Lockhart; Wayne Composite friction assembly
JP3859877B2 (en) * 1998-08-28 2006-12-20 アイシン化工株式会社 Method for manufacturing friction material
JP2000144103A (en) * 1998-11-12 2000-05-26 Soshin Lining Kk Rod like article for friction material and friction material
US6365257B1 (en) * 1999-04-14 2002-04-02 Bp Corporation North America Inc. Chordal preforms for fiber-reinforced articles and method for the production thereof
JP2002226835A (en) * 2001-01-31 2002-08-14 Tokico Ltd Brake friction material
US9371426B2 (en) * 2008-12-08 2016-06-21 Sabic Global Technologies B.V. Compositions having improved tribological properties, methods of manufacture thereof and articles comprising the same
JP5691553B2 (en) * 2011-01-24 2015-04-01 日立化成株式会社 Pressure-resistant sliding member and brake pad
US9004240B2 (en) * 2013-02-27 2015-04-14 Integran Technologies Inc. Friction liner
CN104006101B (en) * 2014-02-18 2016-08-03 九通新型摩擦材料（朝阳）股份有限公司 Friction material containing two refining waste residues and preparation method thereof
US20170058982A1 (en) * 2015-08-26 2017-03-02 GM Global Technology Operations LLC Brake corner output with fnc brake rotors
CN105086940A (en) * 2015-09-14 2015-11-25 浙江铭泰汽车零部件有限公司 Disk brake pad friction material, disk brake pad and disk brake pad manufacturing technique
CN105238351B (en) * 2015-10-20 2020-02-14 晋江凯燕新材料科技有限公司 Friction material for transmission braking and product with same
KR102060191B1 (en) * 2017-05-22 2019-12-27 주식회사 엘지화학 Resin composition for brake pads friction materials and brake pads friction materials made of the resin composition
CN107489717A (en) * 2017-08-15 2017-12-19 杭州西湖摩擦材料有限公司 A kind of brake block of the composite fibre reinforced type of heat resistanceheat resistant decline
WO2019083399A1 (en) * 2017-10-25 2019-05-02 Открытое Акционерное Общество "Уральский Завод Авто-Текстильных Изделий" Brake shoe for a railway vehicle

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101074289A (en) * 2007-06-26 2007-11-21 华南理工大学 Double hot-rolling composite friction material and its production
CN106574169A (en) * 2014-08-01 2017-04-19 日清纺制动器株式会社 Friction material
CN105154008A (en) * 2015-10-20 2015-12-16 晋江凯燕化工有限公司 Copper-free friction material for driving/braking and product of copper-free friction material
CN110273953A (en) * 2019-07-03 2019-09-24 晋江凯燕新材料科技有限公司 Without copper without asbestos organic friction material and product

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