CN104405807A - Manufacturing method of high-performance environment-friendly automobile brake pad - Google Patents
Manufacturing method of high-performance environment-friendly automobile brake pad Download PDFInfo
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- CN104405807A CN104405807A CN201410661300.4A CN201410661300A CN104405807A CN 104405807 A CN104405807 A CN 104405807A CN 201410661300 A CN201410661300 A CN 201410661300A CN 104405807 A CN104405807 A CN 104405807A
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- automobile brake
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Abstract
The invention relates to a material formula of a high-performance environment-friendly automobile brake pad and a preparation method of the material formula. The automobile brake pad is made by performing hot press molding on the following materials through a die. The material formula mainly comprises a bonding agent, surface-treated hybrid fibers, a friction regulating agent, modified graphene, a filler, a lubricating agent, a curing agent, an accelerant, an antioxidant and a coupling agent. The material formula has the advantages that the modified graphene is added, a composition of modified phenolic resin is taken as the material bonding agent, and the surface-activated hybrid fibers are taken as reinforcing fibers, so that the problems of low friction coefficient, low friction rate index and high braking noise in the conventional brake pad are solved, and the automobile brake pad having high cohesion strength, high thermal decomposition temperature, high toughness and high bonding strength is manufactured.
Description
Technical field
The present invention relates to material prescription of a kind of automobile brake sheet and preparation method thereof, particularly relate to a kind of preparation method of high-performance environment protection type automobile brake sheet.
Background technique
Along with the high speed development of automobile industry, the requirement of user vehicle to brake safe performance is more and more higher, brake block common on market mostly is asbestos product, when Emergency braking, friction factor can sharply decline, and causes braking torque to fail serious, affects the Security of driving, and asbestos material can produce a large amount of dust under the effect of high temperature wear, has carcinogenesis.
Excellent friction plate material should have good friction factor and abrasion resistance properties, high Young's modulus, enough mechanical strengths, high heat resistance and high thermal conductivity and thermal capacity, guarantee reaches designing requirement, realizes the miniaturization of system and lightweight working life, and then improves mobility and the reliability of vehicle.Since Graphene in 2004 is found, be a kind of Two-dimensional Carbon nanometer material, it is as novel friction modifier, has far-reaching Research Significance to the wear resistance increasing automobile brake sheet.
Summary of the invention
Technical barrier to be solved by this invention overcomes the deficiencies in the prior art, provides a kind of high-performance environment protection type automobile brake sheet, has wearability and the mechanical strength of superelevation.
The technology of the present invention solution is, be made up of the following raw material with parts by weight proportioning: binding agent 12 ~ 20 parts, reinforcing fiber 20 ~ 40 parts, friction modifier 6 ~ 18 parts, Graphene 4 ~ 8 parts, filler 40 ~ 60 parts, 2 ~ 6 parts, curing agent, curing accelerator 0.3 ~ 1 part, antioxidant 3 ~ 6 parts, coupling agent 2 ~ 5 parts; Wherein, described reinforcing fiber is the mixed fibre through surface activation treatment, coated anhydride group, and described Graphene is modified Graphene.
Described binding agent is the composition of phenol-formaldehyde resin modified, and this composition is by boron bakelite resin, benzenetriol-divinyl benzene polycondensate and silicone based rubber composition.
Described mixed fibre is mixed by carbon fiber, basalt fibre and aramid fibre and forms, and this mixed fibre is through the mixed fibre of surface activation treatment, coated anhydride group.
Described friction modifier forms by silicon carbide, graphite, aluminium oxide and acicular wollastonite are composite.
Described filler forms by barium sulphate, barium carbouate, Brown Alundum and petroleum coke are composite.
Described curing agent is the mixture of hexamethylenetetramine and paratoluensulfonyl chloride.
Described curing accelerator is Toluene-2,4-diisocyanate, 4-bis-(N, N '-dimethylamino third urea).
Described antioxidant be N, N'-two-to be that 5:1 ~ 3:1 is composite according to mass ratio form (3-(3,5-di-tert-butyl-hydroxy phenyl) propiono) hexamethylene diamine and three [2,4-di-tert-butyl-phenyl] phosphite.
Described coupling agent is the mixture of silane coupler and zircoaluminate coupling agent.
Concrete step of preparation process of the present invention is as follows:
1) surface activation treatment of mixed fibre: mixed fibre is placed in plasma reaction chamber, first pass into high-purity argon gas 5 ~ 15min wherein, then purity oxygen 5 ~ 10min is passed into, electro discharge treatment 3 ~ 7min under power 80 ~ 120W, obtain plasma-activated fiber, and the plasma-activated fiber obtained is placed in maleic anhydride xylene solvent carries out ultrasonic process, finally under the condition of 150 DEG C ~ 180 DEG C, carry out grafted maleic anhydride, obtain the mixed fibre of surface active.
2) preparation of modified graphene: first graphite oxide is positioned in DMF solvent, pass into nitrogen, Keep agitation 5min, add Toluene-2,4-diisocyanate, 4-vulcabond mix and blend 12h, add a certain amount of dichloromethane to filter, finally use hydrofluoric acid to carry out reduction the graphene oxide obtained and obtain modified graphene.
3) by step 1) and 2) in the composition of the mixed fibre of gained and modified graphene and phenol-formaldehyde resin modified, friction modifier, filler be positioned in stirred tank and stir 10 ~ 30min, mixing speed is 1000 ~ 3000rpm, to be mixed evenly after add curing agent, curing accelerator, antioxidant and coupling agent, continue mechanical agitation 10 ~ 20min, and it is shaping to carry out hot pressing under the condition of 160 DEG C ~ 180 DEG C and 20 ~ 30MPa, finally utilizes dry grinding equipment to carry out processing and can obtain high-performance environment protection type automobile brake sheet.
the advantage that the present invention is compared with prior art possessed is:
1) Graphene through modification can have good combination with matrix surface, is uniformly dispersed, can with the friction factor of the composite raising automobile brake sheet of other friction modifiers.
2) surface activation treatment of mixed fibre can improve the interface compatibility of fiber and resin effectively, thus effectively improves the mechanical strength of automobile brake sheet.
3) the present invention adopts the composition of phenol-formaldehyde resin modified as material binding agent, effectively can increase heat resistance and the toughness of resin, thus improves the shock resistance of automobile brake sheet, Young's modulus and heat resisting temperature.
Embodiment
Below the preferred embodiments of the present invention are described in detail, can be easier to make advantages and features of the invention be readily appreciated by one skilled in the art, thus more explicit defining is made to protection scope of the present invention.
Embodiment 1
First mixed fibre is placed in plasma reaction chamber, first pass into high-purity argon gas 5min wherein, then purity oxygen 5min is passed into, electro discharge treatment 3min under power 80W, obtain plasma-activated fiber, and the plasma-activated fiber obtained is placed in maleic anhydride xylene solvent carries out ultrasonic process, finally under the condition of 150 DEG C, carry out grafted maleic anhydride, obtain the mixed fibre of surface active.Then graphite oxide is positioned in DMF solvent, passes into nitrogen, Keep agitation 5min, add Toluene-2,4-diisocyanate, 4-vulcabond mix and blend 12h, adds a certain amount of dichloromethane and filters, and finally uses hydrofluoric acid to carry out reduction the graphene oxide obtained and obtains modified graphene.Finally 20 parts of mixed fibres and the composition of 4 parts of modified graphenes and 12 parts of phenol-formaldehyde resin modifieds, 6 parts of friction modifiers, 40 parts of fillers are positioned in stirred tank and stir 10min, mixing speed is 1000rpm, to be mixed evenly after add 2 parts of curing agent, 0.3 part of curing accelerator, 3 parts of antioxidant and 2 parts of coupling agents, continue mechanical agitation 10min, and it is shaping to carry out hot pressing under 160 DEG C of conditions with 20MPa, finally utilizes dry grinding equipment to carry out processing and can obtain high-performance environment protection type automobile brake sheet.
Embodiment 2
First mixed fibre is placed in plasma reaction chamber, first pass into high-purity argon gas 10min wherein, then purity oxygen 8min is passed into, electro discharge treatment 5min under power 100W, obtain plasma-activated fiber, and the plasma-activated fiber obtained is placed in maleic anhydride xylene solvent carries out ultrasonic process, finally under the condition of 160 DEG C, carry out grafted maleic anhydride, obtain the mixed fibre of surface active.Then graphite oxide is positioned in DMF solvent, passes into nitrogen, Keep agitation 5min, add Toluene-2,4-diisocyanate, 4-vulcabond mix and blend 12h, adds a certain amount of dichloromethane and filters, and finally uses hydrofluoric acid to carry out reduction the graphene oxide obtained and obtains modified graphene.Finally 30 parts of mixed fibres and the composition of 5 parts of modified graphenes and 15 parts of phenol-formaldehyde resin modifieds, 8 parts of friction modifiers, 50 parts of fillers are positioned in stirred tank and stir 20min, mixing speed is 2000rpm, to be mixed evenly after add 3 parts of curing agent, 0.5 part of curing accelerator, 4 parts of antioxidant and 4 parts of coupling agents, continue mechanical agitation 10min, and it is shaping to carry out hot pressing under 170 DEG C of conditions with 25MPa, finally utilizes dry grinding equipment to carry out processing and can obtain high-performance environment protection type automobile brake sheet.
Embodiment 3
First mixed fibre is placed in plasma reaction chamber, first pass into high-purity argon gas 15min wherein, then purity oxygen 10min is passed into, electro discharge treatment 7min under power 120W, obtain plasma-activated fiber, and the plasma-activated fiber obtained is placed in maleic anhydride xylene solvent carries out ultrasonic process, finally under the condition of 180 DEG C, carry out grafted maleic anhydride, obtain the mixed fibre of surface active.Then graphite oxide is positioned in DMF solvent, passes into nitrogen, Keep agitation 5min, add Toluene-2,4-diisocyanate, 4-vulcabond mix and blend 12h, adds a certain amount of dichloromethane and filters, and finally uses hydrofluoric acid to carry out reduction the graphene oxide obtained and obtains modified graphene.Finally 40 parts of mixed fibres and the composition of 8 parts of modified graphenes and 20 parts of phenol-formaldehyde resin modifieds, 18 parts of friction modifiers, 60 parts of fillers are positioned in stirred tank and stir 30min, mixing speed is 3000rpm, to be mixed evenly after add 6 parts of curing agent, 1 part of curing accelerator, 6 parts of antioxidant and 5 parts of coupling agents, continue mechanical agitation 30min, and it is shaping to carry out hot pressing under 180 DEG C of conditions with 30MPa, finally utilizes dry grinding equipment to carry out processing and can obtain high-performance environment protection type automobile brake sheet.
Claims (10)
1. the preparation method of a high-performance environment protection type automobile brake sheet, it is characterized in that: be made up of the raw material of following parts by weight proportioning: binding agent 12 ~ 20 parts, reinforcing fiber 20 ~ 40 parts, friction modifier 6 ~ 18 parts, Graphene 4 ~ 8 parts, filler 40 ~ 60 parts, 2 ~ 6 parts, curing agent, curing accelerator 0.3 ~ 1 part, antioxidant 3 ~ 6 parts, coupling agent 2 ~ 5 parts; Wherein, described reinforcing fiber is the mixed fibre through surface activation treatment, coated anhydride group; Described Graphene is modified Graphene.
2. the preparation method of a kind of high-performance environment protection type automobile brake sheet as claimed in claim 1, it is characterized in that: described binding agent is the composition of phenol-formaldehyde resin modified, and this composition is made up of boron bakelite resin, benzenetriol-divinyl benzene polycondensate and silicone based rubber.
3. the preparation method of a kind of high-performance environment protection type automobile brake sheet as claimed in claim 1, it is characterized in that: described mixed fibre is mixed by carbon fiber, basalt fibre and aramid fibre and forms, and this mixed fibre is through the mixed fibre of surface activation treatment, coated anhydride group.
4. the preparation method of a kind of high-performance environment protection type automobile brake sheet as claimed in claim 1, is characterized in that: described friction modifier forms by silicon carbide, graphite, aluminium oxide and acicular wollastonite are composite.
5. the preparation method of a kind of high-performance environment protection type automobile brake sheet as claimed in claim 1, is characterized in that: described filler forms by barium sulphate, barium carbouate, Brown Alundum and petroleum coke are composite.
6. the preparation method of a kind of high-performance environment protection type automobile brake sheet as claimed in claim 1, is characterized in that: described curing agent is the mixture of hexamethylenetetramine and paratoluensulfonyl chloride.
7. the preparation method of a kind of high-performance environment protection type automobile brake sheet as claimed in claim 1, is characterized in that: described curing accelerator is Toluene-2,4-diisocyanate, 4-bis-(N, N '-dimethylamino third urea).
8. the preparation method of a kind of high-performance environment protection type automobile brake sheet as claimed in claim 1; it is characterized in that: described antioxidant is N; N'-pair-(3-(3; 5-di-tert-butyl-hydroxy phenyl) propiono) hexamethylene diamine and three [2,4-di-tert-butyl-phenyl] phosphite forms according to mass ratio 5:1 ~ 3:1 is composite.
9. the preparation method of a kind of high-performance environment protection type automobile brake sheet as claimed in claim 1, is characterized in that: described coupling agent is the mixture of silane coupler and zircoaluminate coupling agent.
10. the preparation method of a kind of high-performance environment protection type automobile brake sheet as claimed in claim 1, is characterized in that: concrete technology step is as follows:
1) surface activation treatment of mixed fibre: mixed fibre is placed in plasma reaction chamber; first pass into high-purity argon gas 5 ~ 15min wherein; then purity oxygen 5 ~ 10min is passed into; electro discharge treatment 3 ~ 7min under power 80 ~ 120W; obtain plasma-activated fiber; and the plasma-activated fiber obtained is placed in maleic anhydride xylene solvent carries out ultrasonic process, finally under the condition of 150 DEG C ~ 180 DEG C, carry out grafted maleic anhydride, obtain the mixed fibre of surface active;
2) preparation of modified graphene: first graphite oxide is positioned in DMF solvent; pass into nitrogen; Keep agitation 5min; add Toluene-2,4-diisocyanate; 4-vulcabond mix and blend 12h; add a certain amount of dichloromethane to filter, finally use hydrofluoric acid to carry out reduction the graphene oxide obtained and obtain modified graphene;
3) by above-mentioned steps 1) with 2) in the composition of the mixed fibre of gained and modified graphene and phenol-formaldehyde resin modified, friction modifier, filler be positioned in stirred tank and stir 10 ~ 30min, mixing speed is 1000 ~ 3000rpm, to be mixed evenly after add curing agent, curing accelerator, antioxidant and coupling agent, continue mechanical agitation 10 ~ 20min, and it is shaping to carry out hot pressing under the condition of 160 DEG C ~ 180 DEG C and 20 ~ 30MPa, finally utilizes dry grinding equipment to carry out processing and can obtain high-performance environment protection type automobile brake sheet.
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| CN201410661300.4A CN104405807B (en) | 2014-11-19 | 2014-11-19 | A kind of preparation method of automobile brake sheet |
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| CN201410661300.4A CN104405807B (en) | 2014-11-19 | 2014-11-19 | A kind of preparation method of automobile brake sheet |
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| CN104405807A true CN104405807A (en) | 2015-03-11 |
| CN104405807B CN104405807B (en) | 2016-08-24 |
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Cited By (21)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105482361A (en) * | 2016-01-12 | 2016-04-13 | 山东佳星环保科技有限公司 | Graphene-based wearproof composite lubricating material and preparation method thereof |
| CN105909707A (en) * | 2016-01-31 | 2016-08-31 | 张泽伟 | High-performance friction material composition containing graphene |
| CN106117955A (en) * | 2016-06-29 | 2016-11-16 | 黄石金朝阳粉末材料有限责任公司 | Basalt ultra-fine fibre is used for preparing the methods and applications of brake block |
| CN106246775A (en) * | 2016-08-22 | 2016-12-21 | 安徽双松铸造有限责任公司 | Add the brake shoe production technology of modified nano graphite alkene |
| CN106523514A (en) * | 2016-11-10 | 2017-03-22 | 长春安旨科技有限公司 | High-temperature resisting macromolecule self-lubricating bearing and preparing method thereof |
| CN106567897A (en) * | 2016-11-13 | 2017-04-19 | 徐州乐泰机电科技有限公司 | Novel composite abrasion resistance brake piece |
| CN106641033A (en) * | 2016-12-23 | 2017-05-10 | 北京天宜上佳新材料股份有限公司 | Friction material, haulage motor brake shoe containing same and preparation method |
| CN106634831A (en) * | 2016-12-05 | 2017-05-10 | 钦州市钦南区生产力促进中心 | Automobile brake pad material and preparation method thereof |
| CN106763355A (en) * | 2016-11-10 | 2017-05-31 | 厦门市双晋材料科技有限公司 | A kind of friction material and the brake block with the friction material |
| CN106930138A (en) * | 2017-03-03 | 2017-07-07 | 西北工业大学 | A kind of Graphene is modified paper friction material and preparation method |
| CN106987231A (en) * | 2017-05-05 | 2017-07-28 | 西南大学 | Application of the heterogeneous couplings of zirconium phosphonate graphene oxide in friction material is prepared |
| CN107011626A (en) * | 2017-05-09 | 2017-08-04 | 西南大学 | Friction material containing organic modified zirconium phosphate |
| CN107011859A (en) * | 2017-03-17 | 2017-08-04 | 宁波高新区远创科技有限公司 | A kind of preparation method of heat conduction friction braking material |
| CN107387616A (en) * | 2017-08-08 | 2017-11-24 | 长沙五犇新材料科技有限公司 | One kind friction layer material |
| CN107592901A (en) * | 2015-05-07 | 2018-01-16 | 意大利Itt有限责任公司 | It is used in particular for manufacturing the friction material and related manufacturing processes of Brake pad |
| CN107893330A (en) * | 2017-12-28 | 2018-04-10 | 安徽宏实光机电高科有限公司 | A kind of preparation method of plasma grafting processing complex fiber material |
| CN108570209A (en) * | 2018-03-08 | 2018-09-25 | 山东金麒麟股份有限公司 | A kind of aluminium zirconium-silane coupling agent modified synergic resin material and purposes for semimetal disk type brake disc |
| CN111101082A (en) * | 2019-12-25 | 2020-05-05 | 安徽锵信网络科技有限公司 | Metal ceramic composite material for new energy automobile brake pad and preparation method thereof |
| CN112343947A (en) * | 2019-07-03 | 2021-02-09 | 晋江凯燕新材料科技有限公司 | Copper-free asbestos-free organic friction material with reinforcing material and product |
| CN113294464A (en) * | 2021-05-26 | 2021-08-24 | 广西荣昇新材料有限公司 | Copper powder composite material for train brake pad and preparation method thereof |
| CN114574161A (en) * | 2022-03-29 | 2022-06-03 | 扬州工业职业技术学院 | Friction material for brake pad |
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| CN103436236A (en) * | 2013-08-28 | 2013-12-11 | 李美凤 | Palm fiber-reinforced environment-friendly type brake pad and preparation method thereof |
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| CN107592901B (en) * | 2015-05-07 | 2019-11-26 | 意大利Itt有限责任公司 | It is used in particular for manufacturing the friction material and related manufacturing processes of Brake pad |
| US11274721B2 (en) | 2015-05-07 | 2022-03-15 | Itt Italia S.R.L. | Friction material, in particular for the manufacturing of a brake pad, and associated preparation method |
| CN107592901A (en) * | 2015-05-07 | 2018-01-16 | 意大利Itt有限责任公司 | It is used in particular for manufacturing the friction material and related manufacturing processes of Brake pad |
| CN105482361A (en) * | 2016-01-12 | 2016-04-13 | 山东佳星环保科技有限公司 | Graphene-based wearproof composite lubricating material and preparation method thereof |
| CN105909707B (en) * | 2016-01-31 | 2018-09-25 | 摩擦一号制动科技（仙桃）有限公司 | A kind of graphene-containing high-quality friction material composition |
| CN105909707A (en) * | 2016-01-31 | 2016-08-31 | 张泽伟 | High-performance friction material composition containing graphene |
| CN106117955A (en) * | 2016-06-29 | 2016-11-16 | 黄石金朝阳粉末材料有限责任公司 | Basalt ultra-fine fibre is used for preparing the methods and applications of brake block |
| CN106117955B (en) * | 2016-06-29 | 2018-09-21 | 黄石金朝阳粉末材料有限责任公司 | Basalt ultra-fine fibre is used to prepare to the methods and applications of brake block |
| CN106246775A (en) * | 2016-08-22 | 2016-12-21 | 安徽双松铸造有限责任公司 | Add the brake shoe production technology of modified nano graphite alkene |
| CN106246775B (en) * | 2016-08-22 | 2018-08-28 | 安徽双松铸造有限责任公司 | Add the brake shoe production technology of modified nano graphite alkene |
| CN106523514A (en) * | 2016-11-10 | 2017-03-22 | 长春安旨科技有限公司 | High-temperature resisting macromolecule self-lubricating bearing and preparing method thereof |
| CN106763355A (en) * | 2016-11-10 | 2017-05-31 | 厦门市双晋材料科技有限公司 | A kind of friction material and the brake block with the friction material |
| CN106567897B (en) * | 2016-11-13 | 2019-04-16 | 青岛方冠摩擦材料有限公司 | A kind of preparation method of NEW TYPE OF COMPOSITE wear brake pad |
| CN106567897A (en) * | 2016-11-13 | 2017-04-19 | 徐州乐泰机电科技有限公司 | Novel composite abrasion resistance brake piece |
| CN106634831A (en) * | 2016-12-05 | 2017-05-10 | 钦州市钦南区生产力促进中心 | Automobile brake pad material and preparation method thereof |
| CN106641033A (en) * | 2016-12-23 | 2017-05-10 | 北京天宜上佳新材料股份有限公司 | Friction material, haulage motor brake shoe containing same and preparation method |
| CN106641033B (en) * | 2016-12-23 | 2019-08-02 | 北京天宜上佳新材料股份有限公司 | A kind of friction material includes its locomotive brake shoe and preparation method |
| CN106930138A (en) * | 2017-03-03 | 2017-07-07 | 西北工业大学 | A kind of Graphene is modified paper friction material and preparation method |
| CN107011859A (en) * | 2017-03-17 | 2017-08-04 | 宁波高新区远创科技有限公司 | A kind of preparation method of heat conduction friction braking material |
| CN106987231A (en) * | 2017-05-05 | 2017-07-28 | 西南大学 | Application of the heterogeneous couplings of zirconium phosphonate graphene oxide in friction material is prepared |
| CN107011626A (en) * | 2017-05-09 | 2017-08-04 | 西南大学 | Friction material containing organic modified zirconium phosphate |
| CN107011626B (en) * | 2017-05-09 | 2019-05-17 | 西南大学 | Friction material containing organic modified zirconium phosphate |
| CN107387616A (en) * | 2017-08-08 | 2017-11-24 | 长沙五犇新材料科技有限公司 | One kind friction layer material |
| CN107893330A (en) * | 2017-12-28 | 2018-04-10 | 安徽宏实光机电高科有限公司 | A kind of preparation method of plasma grafting processing complex fiber material |
| CN108570209A (en) * | 2018-03-08 | 2018-09-25 | 山东金麒麟股份有限公司 | A kind of aluminium zirconium-silane coupling agent modified synergic resin material and purposes for semimetal disk type brake disc |
| CN108570209B (en) * | 2018-03-08 | 2020-10-13 | 山东金麒麟股份有限公司 | Aluminum zirconium-silane coupling agent synergistically modified resin material for semi-metal disc brake pad and application |
| CN112343947A (en) * | 2019-07-03 | 2021-02-09 | 晋江凯燕新材料科技有限公司 | Copper-free asbestos-free organic friction material with reinforcing material and product |
| CN112343947B (en) * | 2019-07-03 | 2022-07-19 | 晋江市凯燕新材料研究院股份有限公司 | Copper-free asbestos-free organic friction material with reinforcing material and product |
| CN111101082A (en) * | 2019-12-25 | 2020-05-05 | 安徽锵信网络科技有限公司 | Metal ceramic composite material for new energy automobile brake pad and preparation method thereof |
| CN113294464A (en) * | 2021-05-26 | 2021-08-24 | 广西荣昇新材料有限公司 | Copper powder composite material for train brake pad and preparation method thereof |
| CN114574161A (en) * | 2022-03-29 | 2022-06-03 | 扬州工业职业技术学院 | Friction material for brake pad |
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