CN106015400A - Hibiscus manihot fiber reinforced environment-friendly brake pad and preparation method thereof - Google Patents
Hibiscus manihot fiber reinforced environment-friendly brake pad and preparation method thereof Download PDFInfo
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- CN106015400A CN106015400A CN201610401559.4A CN201610401559A CN106015400A CN 106015400 A CN106015400 A CN 106015400A CN 201610401559 A CN201610401559 A CN 201610401559A CN 106015400 A CN106015400 A CN 106015400A
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- hibiscus manihot
- brake block
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- 239000000835 fiber Substances 0.000 title claims abstract description 60
- 240000005959 Abelmoschus manihot Species 0.000 title claims abstract description 34
- 238000002360 preparation method Methods 0.000 title claims abstract description 10
- 235000001642 Hibiscus manihot Nutrition 0.000 title abstract 8
- 239000000463 material Substances 0.000 claims abstract description 24
- 229910052761 rare earth metal Inorganic materials 0.000 claims abstract description 11
- 239000007822 coupling agent Substances 0.000 claims abstract description 9
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims abstract description 7
- 239000000945 filler Substances 0.000 claims abstract description 7
- -1 rare earth modified phenolic resin Chemical class 0.000 claims abstract description 7
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 claims abstract description 6
- 239000002008 calcined petroleum coke Substances 0.000 claims abstract description 6
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 claims abstract description 5
- TZCXTZWJZNENPQ-UHFFFAOYSA-L barium sulfate Chemical compound [Ba+2].[O-]S([O-])(=O)=O TZCXTZWJZNENPQ-UHFFFAOYSA-L 0.000 claims abstract description 4
- 235000001075 Abelmoschus manihot Nutrition 0.000 claims description 26
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 12
- 230000002787 reinforcement Effects 0.000 claims description 12
- 238000005516 engineering process Methods 0.000 claims description 11
- 239000002994 raw material Substances 0.000 claims description 10
- 238000010438 heat treatment Methods 0.000 claims description 9
- 238000007731 hot pressing Methods 0.000 claims description 9
- 239000013078 crystal Substances 0.000 claims description 7
- NJLLQSBAHIKGKF-UHFFFAOYSA-N dipotassium dioxido(oxo)titanium Chemical compound [K+].[K+].[O-][Ti]([O-])=O NJLLQSBAHIKGKF-UHFFFAOYSA-N 0.000 claims description 6
- 239000002002 slurry Substances 0.000 claims description 5
- BLRPTPMANUNPDV-UHFFFAOYSA-N Silane Chemical compound [SiH4] BLRPTPMANUNPDV-UHFFFAOYSA-N 0.000 claims description 4
- 229910000077 silane Inorganic materials 0.000 claims description 4
- 239000004575 stone Substances 0.000 claims description 4
- 230000014759 maintenance of location Effects 0.000 claims description 3
- 238000000465 moulding Methods 0.000 claims description 3
- 238000003756 stirring Methods 0.000 claims description 3
- 240000000530 Alcea rosea Species 0.000 claims 1
- 235000017334 Alcea rosea Nutrition 0.000 claims 1
- 235000017303 Althaea rosea Nutrition 0.000 claims 1
- 239000010936 titanium Substances 0.000 claims 1
- 229910052719 titanium Inorganic materials 0.000 claims 1
- 230000008901 benefit Effects 0.000 abstract description 5
- ZLMJMSJWJFRBEC-UHFFFAOYSA-N Potassium Chemical compound [K] ZLMJMSJWJFRBEC-UHFFFAOYSA-N 0.000 abstract description 2
- 239000011591 potassium Substances 0.000 abstract description 2
- 229910052700 potassium Inorganic materials 0.000 abstract description 2
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 abstract 2
- 239000006087 Silane Coupling Agent Substances 0.000 abstract 1
- 229910021383 artificial graphite Inorganic materials 0.000 abstract 1
- 229920003366 poly(p-phenylene terephthalamide) Polymers 0.000 abstract 1
- 239000000377 silicon dioxide Substances 0.000 abstract 1
- 239000002783 friction material Substances 0.000 description 25
- 238000000034 method Methods 0.000 description 17
- 230000008569 process Effects 0.000 description 11
- 230000000694 effects Effects 0.000 description 10
- 238000002156 mixing Methods 0.000 description 10
- 239000011230 binding agent Substances 0.000 description 7
- 238000004519 manufacturing process Methods 0.000 description 7
- 238000000227 grinding Methods 0.000 description 6
- 229920005989 resin Polymers 0.000 description 5
- 239000011347 resin Substances 0.000 description 5
- 238000012360 testing method Methods 0.000 description 5
- 230000007423 decrease Effects 0.000 description 4
- 230000007613 environmental effect Effects 0.000 description 4
- 239000010439 graphite Substances 0.000 description 4
- 229910002804 graphite Inorganic materials 0.000 description 4
- 239000011159 matrix material Substances 0.000 description 4
- 239000000203 mixture Substances 0.000 description 4
- 238000012545 processing Methods 0.000 description 4
- 150000002910 rare earth metals Chemical class 0.000 description 4
- 239000012783 reinforcing fiber Substances 0.000 description 4
- 239000010456 wollastonite Substances 0.000 description 4
- 229910052882 wollastonite Inorganic materials 0.000 description 4
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 description 3
- 229910052918 calcium silicate Inorganic materials 0.000 description 3
- 235000012241 calcium silicate Nutrition 0.000 description 3
- 230000006870 function Effects 0.000 description 3
- 239000008187 granular material Substances 0.000 description 3
- 238000011160 research Methods 0.000 description 3
- 239000000126 substance Substances 0.000 description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 3
- 241000196324 Embryophyta Species 0.000 description 2
- 238000005299 abrasion Methods 0.000 description 2
- 238000004026 adhesive bonding Methods 0.000 description 2
- 229920006231 aramid fiber Polymers 0.000 description 2
- 239000010425 asbestos Substances 0.000 description 2
- 229910052799 carbon Inorganic materials 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 150000001875 compounds Chemical class 0.000 description 2
- 238000011161 development Methods 0.000 description 2
- 239000006185 dispersion Substances 0.000 description 2
- 238000002474 experimental method Methods 0.000 description 2
- 238000005562 fading Methods 0.000 description 2
- 238000009472 formulation Methods 0.000 description 2
- 125000000524 functional group Chemical group 0.000 description 2
- 238000007689 inspection Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 238000004806 packaging method and process Methods 0.000 description 2
- 239000003973 paint Substances 0.000 description 2
- 231100000614 poison Toxicity 0.000 description 2
- 230000007096 poisonous effect Effects 0.000 description 2
- 238000003825 pressing Methods 0.000 description 2
- 230000003014 reinforcing effect Effects 0.000 description 2
- 239000012779 reinforcing material Substances 0.000 description 2
- 229910052895 riebeckite Inorganic materials 0.000 description 2
- 238000005245 sintering Methods 0.000 description 2
- 238000007711 solidification Methods 0.000 description 2
- 230000008023 solidification Effects 0.000 description 2
- 239000007921 spray Substances 0.000 description 2
- 229920002994 synthetic fiber Polymers 0.000 description 2
- 239000012209 synthetic fiber Substances 0.000 description 2
- 238000009210 therapy by ultrasound Methods 0.000 description 2
- 238000013022 venting Methods 0.000 description 2
- 238000005303 weighing Methods 0.000 description 2
- KXGFMDJXCMQABM-UHFFFAOYSA-N 2-methoxy-6-methylphenol Chemical class [CH]OC1=CC=CC([CH])=C1O KXGFMDJXCMQABM-UHFFFAOYSA-N 0.000 description 1
- 108010022579 ATP dependent 26S protease Proteins 0.000 description 1
- FYYHWMGAXLPEAU-UHFFFAOYSA-N Magnesium Chemical compound [Mg] FYYHWMGAXLPEAU-UHFFFAOYSA-N 0.000 description 1
- 239000003082 abrasive agent Substances 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 239000003513 alkali Substances 0.000 description 1
- 239000004411 aluminium Substances 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 229910000323 aluminium silicate Inorganic materials 0.000 description 1
- 238000004458 analytical method Methods 0.000 description 1
- 230000000844 anti-bacterial effect Effects 0.000 description 1
- 230000002929 anti-fatigue Effects 0.000 description 1
- 239000003831 antifriction material Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 239000007767 bonding agent Substances 0.000 description 1
- 238000001354 calcination Methods 0.000 description 1
- 239000011329 calcined coke Substances 0.000 description 1
- 206010061592 cardiac fibrillation Diseases 0.000 description 1
- 230000015556 catabolic process Effects 0.000 description 1
- 239000000571 coke Substances 0.000 description 1
- 230000000295 complement effect Effects 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 239000000470 constituent Substances 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 229910052593 corundum Inorganic materials 0.000 description 1
- 239000010431 corundum Substances 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 238000013016 damping Methods 0.000 description 1
- 230000003412 degenerative effect Effects 0.000 description 1
- 238000006731 degradation reaction Methods 0.000 description 1
- 239000008367 deionised water Substances 0.000 description 1
- 229910021641 deionized water Inorganic materials 0.000 description 1
- HNPSIPDUKPIQMN-UHFFFAOYSA-N dioxosilane;oxo(oxoalumanyloxy)alumane Chemical compound O=[Si]=O.O=[Al]O[Al]=O HNPSIPDUKPIQMN-UHFFFAOYSA-N 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 238000010891 electric arc Methods 0.000 description 1
- 230000002708 enhancing effect Effects 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- 210000003746 feather Anatomy 0.000 description 1
- 230000002600 fibrillogenic effect Effects 0.000 description 1
- 230000036541 health Effects 0.000 description 1
- 230000017525 heat dissipation Effects 0.000 description 1
- 238000007654 immersion Methods 0.000 description 1
- 229910052738 indium Inorganic materials 0.000 description 1
- 239000011256 inorganic filler Substances 0.000 description 1
- 229910003475 inorganic filler Inorganic materials 0.000 description 1
- 229910010272 inorganic material Inorganic materials 0.000 description 1
- 239000011147 inorganic material Substances 0.000 description 1
- 229910052500 inorganic mineral Inorganic materials 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 230000001788 irregular Effects 0.000 description 1
- 239000011777 magnesium Substances 0.000 description 1
- 229910052749 magnesium Inorganic materials 0.000 description 1
- 238000002844 melting Methods 0.000 description 1
- 230000008018 melting Effects 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 239000011707 mineral Substances 0.000 description 1
- 239000011664 nicotinic acid Substances 0.000 description 1
- 239000011368 organic material Substances 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 239000002006 petroleum coke Substances 0.000 description 1
- ISWSIDIOOBJBQZ-UHFFFAOYSA-N phenol group Chemical group C1(=CC=CC=C1)O ISWSIDIOOBJBQZ-UHFFFAOYSA-N 0.000 description 1
- 239000005011 phenolic resin Substances 0.000 description 1
- 229920001568 phenolic resin Polymers 0.000 description 1
- 230000000704 physical effect Effects 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 238000010298 pulverizing process Methods 0.000 description 1
- NIFIFKQPDTWWGU-UHFFFAOYSA-N pyrite Chemical compound [Fe+2].[S-][S-] NIFIFKQPDTWWGU-UHFFFAOYSA-N 0.000 description 1
- 229910052683 pyrite Inorganic materials 0.000 description 1
- 239000011028 pyrite Substances 0.000 description 1
- 238000000197 pyrolysis Methods 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 230000035807 sensation Effects 0.000 description 1
- 238000007493 shaping process Methods 0.000 description 1
- 238000009987 spinning Methods 0.000 description 1
- 239000010409 thin film Substances 0.000 description 1
- 230000001988 toxicity Effects 0.000 description 1
- 231100000419 toxicity Toxicity 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
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
- F16D65/00—Parts or details
- F16D65/02—Braking members; Mounting thereof
- F16D65/04—Bands, shoes or pads; Pivots or supporting members therefor
-
- 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—Composition of linings ; Methods of manufacturing
- F16D69/027—Compositions based on metals or inorganic oxides
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Inorganic Chemistry (AREA)
- Braking Arrangements (AREA)
Abstract
A hibiscus manihot fiber reinforced environment-friendly brake comprises the following main components: a hibiscus manihot fiber, PPTA pulp, a Lapinus fiber, rare earth modified phenolic resin, a silane coupling agent, a titanate coupling agent, a brown fused alumina friction increasing material, calcined petroleum coke, red copper powder, artificial graphite, a precipitated barium sulphate filler, flakey silica and potassium hexatitanate whiskers. The hibiscus manihot fiber reinforced environment-friendly brake provided by the invention has the advantages that the hibiscus manihot fiber is adopted as a natural reinforced fiber; the relatively-high-breaking-strength, good-toughness, high-temperature-resistant and easy-to-disperse characteristics of the hibiscus manihot fiber are utilized for preparation of the hibiscus manihot fiber reinforced environment-friendly brake; and the prepared hibiscus manihot fiber reinforced environment-friendly brake is high in using strength, good in toughness, low in cost, environmentally friendly, free of pollution, and good in thermal stability.
Description
Technical field
The present invention relates to automobile brake brake block, be specifically related to a kind of Abelmoschus manihot （L.） Medic fiber reinforcement environment-friendly type brake block and
Preparation method.
Background technology
In past more than 20 year, composition and the manufacturing process of the walking machine friction material with automobile as representative occur
Significant change, new-type friction material has more preferable heat resistanceheat resistant decline performance, longer life-span and is more beneficial for environmental protection and is good for the mankind
Health.China's automobile brake sheet industry faces environmental protection and high performance two make the transition greatly at present, and environment-friendly type high performance brake block removes
Outside high temperature to be met decline is little, wear rate is low, stable friction factor etc. requires, also should have that vibration is little, noise is low, the ash that falls is few
The performance characteristics of environmental protection hommization.
Natural fiber has higher intensity, can meet mechanical property, and natural fiber source is extensive, renewable,
Green non-poisonous, yield is huge.The addition of natural fiber, can reduce the density of material, reduce its wear extent, but also can drop simultaneously
The coefficient of friction of low material.If matrix suitable with enhancing for natural fiber being mixed and can making degradable friction material
Material, this material will obtain the huge market space.At present, the technology such as the modification of employing natural fiber and bionic structure can be big
Width heightens the compatibility of natural fiber and matrix, homogeneity and resistance to elevated temperatures, improves the performance of friction material.
Abelmoschus manihot （L.） Medic is a kind of annual crudefiber crop, extensively plants in China, and bast can be made into length after treatment
And tough fiber, the rope or weave simple apparatus of can making a rope by twisting the strands together.Abelmoschus manihot （L.） Medic tenacity of fibre is powerful, and ultimate fibre is about 2～5 centimetres, with
Organic synthetic fibers is compared, and has the advantages such as inexpensive light weight, intensity and modulus are suitable, and is Plant fiber, belongs to renewable money
Source, green non-poisonous, can natural degradation, protect environment.
Abelmoschus manihot （L.） Medic fiber is mixed with other several fibers, performance complement, play confounding effect, the friction of preparation
Excellent material performance, advantageously reduces the production cost of brake block producer.It has good frictional behaviour, anti-fatigue performance,
Thermal adaptability, antiwear property and low noise etc., the frictional property under different temperature and pressures still can keep good
Good, its performance changes not quite under low temperature or high-temperature condition.Additionally, the pyrolysis temperature of Abelmoschus manihot （L.） Medic fiber is up to 350 DEG C～380
DEG C, there is good resistance to elevated temperatures.
This patent upgrading based on domestic and international automobile brake sheet product structure and Project Unit strengthen at natural fiber
Breakthrough acquired in eco-friendly car brake block key technology of preparing, is product by transformation of scientific findings.This technology uses
The natural fiber of wide material sources, meets the requirement of national environmental protection industry, is the industry of country's encouragement development, has significant society
Benefit and bigger economic benefit, the development to China's automobile industry has propelling meaning.
Summary of the invention
First purpose of the present invention is the shortcoming for domestic existing brake pad of car and a kind of service life of providing
Good, good toughness, the Abelmoschus manihot （L.） Medic fiber reinforcement brake block that brake is steady, noise is little.
Second object of the present invention is to provide a kind of low metal, few bonding agent, low cost, environment friendly and pollution-free, has good
Good thermal stability and the preparation method of the Abelmoschus manihot （L.） Medic fiber reinforcement environment-friendly type high performance brake block of its job stability.
The implementation method of the present invention is as follows:
For realizing first purpose of the present invention, the key component of Abelmoschus manihot （L.） Medic fiber reinforcement environment-friendly type high performance brake block is as follows:
Abelmoschus manihot （L.） Medic fiber, Fanglun slurry cake, Lai Peinasi fiber, rare earth modified phenolic resin, silane coupler, titanate coupling agents, palm fibre
Corundum increases the material that rubs, calcined petroleum coke, red copper powder, electrographite, blanc fixe filler, lamellar frog stone, and potassium hexatitanate is brilliant
Palpus.
For realizing second object of the present invention, the Abelmoschus manihot （L.） Medic fiber reinforcement eco-friendly car brake block that the present invention provides
Preparation technology, concrete technology equipment and production decision are as follows:
Process equipment: disc mill (ZSP-300), friction material formulation research Special hot press, model JFY50, Jilin University
Electromechanical equipment institute manufactures；Self-control batch mixer, model C M100, Nantong UP Machinery Engineering Co., Ltd. produces, can mix every time
Expect about 1kg；Thermostatic drying chamber, model DHG mono-9070A, Shanghai neat new science company limited produces.
Technological process: dispensing → metering → batch mixing → gluing → hot pressing → heat treatment → flat surface grinding → fluting → surface high-temp
Process → spray paint → quality inspection → marking → packaging → warehouse-in.
Prepare in the optimal processing parameter of Abelmoschus manihot （L.） Medic fiber reinforcement environment-friendly type brake block according to orthogonal experiment research pressure sintering,
Press temperature, press time and pressing pressure are maximum to brake block performance impact.
Production decision:
First, being put into by the raw material of weighing in self-control agitator and stir 10～15 min, rotating speed is 300～400 r/min.Wherein
Dispensing, batch mixing, according to the ratio of formula, material is carried out dispensing in automatic batching system, selects friction material automatically to join
Material computer control system, this system can be automatically obtained charging, metering, discharge, batch mixing.Make Abelmoschus manihot （L.） Medic with ultimate fibre form as far as possible
It is scattered in compound, optimal reinforced effects could be reached in friction material.
Then, the raw material stirred is put in mould, be placed on chilling press preliminary pre-molding, will tentatively become
The transferred product of type on hot press, uses 2 steps to heat up, 3 venting, the technique of temperature control solidification prepare friction material.Wherein heat
Pressure temperature is 180 DEG C, and pressure 50～60MPa, hot pressing time is 10～15 minutes.
Finally, for making brake block material more to stablize, thermostability higher, the brake block that hot pressing is good is delivered in holding furnace
Carrying out heat treatment, furnace temperature is maintained at 250 DEG C, temperature retention time 4h, then cools down with furnace temperature, obtains test specimen.Brake after heat treatment
Sheet, its surface still has needs many burr, uses equipment for grinding that the brake block after heat treatment is carried out ground, equipment for grinding
Rotating speed is 30～40 revs/min so that it is surfacing.
The natural reinforcing fiber that the present invention uses is Abelmoschus manihot （L.） Medic fiber, and Abelmoschus manihot （L.） Medic fibrous fracture intensity is higher, and fiber is longer,
Toughness is good.Its processing technology is good, and the most prominent is that dispersion is easy, unlike organic synthetic fibers or the nothing of many alternative asbestos
Machine staple fibre produces electrostatic, conglomeration in high-speed stirred, the uniformity of impact mixing and brake block frictional behaviour and intensity and
Stability.Show through orthogonal test analysis: mass fraction be 12% the fibre-reinforced sedan car brake block of Abelmoschus manihot （L.） Medic have preferably
Fracture strength and toughness.
Abelmoschus manihot （L.） Medic will be through Chemical Pretreatment and ultrasonic Treatment before using:
1) Chemical Pretreatment.Abelmoschus manihot （L.） Medic fiber is cut into main fibre length, and < 12mm, being soaked in mass fraction is 2～3%
In NaOH solution, immersion treatment 12～24h under room temperature.
2) ultrasonic Treatment.The Abelmoschus manihot （L.） Medic fiber being immersed in alkali liquor is placed in and is placed into again in supersonic generator, place
Reason 12h, frequency is 28kHz, temperature controlling range 50～60 DEG C, is then neutrality with deionized water rinsing, dries to constant weight,
Standby.
Organic reinforcing, the organic reinforcing that the present invention selects is the Fanglun slurry cake that du pont company produces.Should
Fanglun slurry cake is become fibrillation by the fiber process of unique technology, is rolled into a ball cotton-shaped feather strucutre, and its average fiber length is 1.5
～2.5 mm, percentage elongation 4～6%, specific surface area is 5.0～12.5 m/g.Aramid fiber adds the heat-resisting quantity that can improve material,
Friction stability, reduces wear extent, gives the preferable mechanical performance of brake block, heat resistance.The present invention adds the aramid fiber of 4%
Fiber is as reinforcing material.
Inorganic reinforcing fiber, the inorganic reinforcing fiber used in the present invention is Lai Peinasi fiber.Lai Peinasi fiber is
By basalt through pulverizing, calcining fusing, centrifugal force spinning etc. process, wherein comprise the non-fiber microballon and 60% of 40%
Fiber, diameter 5 m～15 m of fiber, average length 150 m～650 m, specific surface area 0.2 m/g.Lai Peinasi fiber pair
The reinforced effects of composite is good, is resistant to 1100 DEG C of high temperature, improves the heat stability of brake block.
The binding agent used in patent of the present invention selects rare earth modified phenolic resin.The rare earth material used is rare earth chloride, tree
Fat is nbr modified phenolic resins, and method of modifying is outer addition formula physical modification, and rare earth addition is butyronitrile modified phenolic
The 4% of resin.The friction material manufactured according to Conventional process parameters with rare earth modified resin, coefficient of friction is the highest and steady
Fixed.The chemism of rare earth is high, and its addition and the uniform network structure of resin formation, the most each constituent element is in the phase of interface
Interaction and mutually moistening, make whole material system be in the most steady state of thermodynamics, produces under friction material worst hot case
Carbide and little molecule material matter are few, so the heat fading of coefficient of friction is little.Can be by various former through modified phenolic resin
Material is bonded well, and the most every physical and chemical index of brake block produced is excellent.Can as brake block matrix resin
To significantly improve the heat resistanceheat resistant decline ability of brake block, there is good friction performance.In the present invention, addition 10% is rare earth modified
Phenolic resin is as binding agent.
The coupling agent used in patent of the present invention is titanate coupling agents and silane coupler.
Titanate coupling agents adds during batch mixing, can also be used with it and filler is carried out pretreatment.By titanate coupling
Agent is sprayed on wollastonite, improves the combination interface of itself and resin.
Silane coupler is at a low price coupling agent, can well with the filler coupling such as wollastonite.
The frictional property regulator used in patent of the present invention is that Brown Alundum increases and rubs material, calcined petroleum coke, red copper powder,
Electrographite.
Brown Alundum is with the vanadine of high-quality high-abrasive material high aluminium content as raw material, through 2000 degree of high temperature above meltings in electric arc
Form, pulverize shaping through autogenous tumbling mill, be sieved into multiple granularity, its quality is fine and close, hardness is high, and its prominent feature is crystal chi
Very little little impact resistance, surface is done clean, it is easy to be combined with binding agent, and high-temperature behavior is particularly stable, can effectively reduce friction material high
The degenerative of temperature braking.
The granule that calcined petroleum coke is made up through high-temperature roasting of the high-quality petroleum coke that hardness low-porosity is high.Friction
Adding the calcined coke mixed by a certain percentage in material can make friction material have perfect combination property with graphite, carries
High frictional behaviour.It addition, the porosity of coke is higher, improves the coefficient of friction of friction material, decrease brake noise, alleviate
The heat fading of friction material during high temperature.Granularity 30～60 mesh, carbon content 98.5%, density 1.97～2.25 g/cm3。
Red copper powder be use high-quality pyrite be that raw material processes specially through special process, outward appearance is irregular shape
Shape, has certain toughness, and quality is soft.In friction material, there is good cohesive force, can be the most equal with other raw materials
Even mixing, has antifriction effect, can reduce friction material to dish and the abrasion of wheel.It addition, red copper powder is high temperature resistant, soft at high temperature
Substantial amounts of heat, and rapid heat dissipation is absorbed, the temperature on surface when contributing to reducing friction material braking during change.Its granularity is 40～80
Mesh, purity is more than 96%, proportion 8.7g/cm3。
The electrographite used is to be produced by Wu Migao group of Switzerland (TIMCAL GROUP) company.Due to graphite conduct
Carbon raw material, has the highest thermal capacitance and heat conductivity, so the heat converted by frictional work can more be absorbed, and successfully
Distribute, be favorably improved the heat resistance of friction material.Electrographite is scale layer stack structure, and hardness is the lowest, permissible
As antifriction material to adjust coefficient of friction, abrasion can be reduced；Graphite granule is rich in micropore, and tool elastic return effect, so
It is endowed good damping function, plays in friction material and reduce vibrations, containment noise, the effect of reduction vibrations.Additionally, people
Work graphite is easy to be infiltrated by organic binder bond, and its granule is the highest with the adhesion strength of binding agent.
Using filler in patent of the present invention is blanc fixe filler, lamellar frog stone, crystal whisker of hexa potassium titanate.
Modified grammite except have identical with wollastonite raw ore heat-resist and have an actual reinforced effects with
Outward, outward appearance, feel, friendship can all improve.Original form of wollastonite is risen by the coupling agent thin film that particle surface covers
To good protective effect, producing wetness sensation, the needle-like of fibrid is clear and legible, is more conducive to mixing dispersion and plays potentiation.
Due to the existing functional group can being combined with inorganic material in modified grammite surface, there is again the functional group can being combined with organic material,
Conform exactly to the technology requirement of the friction material that both organic binder bond and inorganic filler have concurrently, the most compatible with various compositions,
Local enhancement, resistance to temp effect, frictional behaviour aspects effect preferable.The important technological parameters of modified grammite is: major diameter
Ratio: > 15, density: 2.8～3.1 g/cm, fineness: 18 mesh.
The secondary rotten mineral of water aluminosilicate that lamellar frog stone is a kind of stratiform containing magnesium, have heat insulation, resistance to freeze, antibacterial,
Prevent fires, absorb water, the excellent properties such as sound absorption, roasting 0.5～1.0 minutes at 800～1000 DEG C, volume can increase rapidly 8～15
Times, up to 30 times.Vermiculitum is a kind of novel high-tech inorfil 26S Proteasome Structure and Function material, has mechanical property good, resistance to
The advantages such as high-temperature behavior is good.
Crystal whisker of hexa potassium titanate has excellent mechanical property, physical property, stable living property, and excellent is corrosion-resistant
Property, thermostability, wearability.Crystal whisker of hexa potassium titanate is easily combined with matrix, does not increase melt viscosity, and good moldability, to former
Damage with mould is little.Substituting, with potassium titanate crystal whisker, the automobile friction that asbestos manufacture, frictional behaviour is up to 350 DEG C not in temperature
Decay occurs.Crystal whisker of hexa potassium titanate not only without toxicity, and have required by friction material the most excellent comprehensive
Performance.Wherein tensile strength and the traditional reinforcing fiber of modular ratio exceed a lot, and heat resistance is the most prominent, uses temperature
Degree also up to 1000 DEG C, complies fully with Hyundai Motor to friction material more high temperature tolerance and the requirement in service life.
Detailed description of the invention
Abelmoschus manihot （L.） Medic fiber reinforcement environment-friendly type brake block use rare earth modified phenolic resin as binding agent, fine with Abelmoschus manihot （L.） Medic
Dimension, Fanglun slurry cake, Lai Peinasi fiber is as reinforcing material, and adds Brown Alundum and increase and rub material, calcined petroleum coke, red copper
Powder, electrographite, as frictional property regulator, improves the frictional behaviour of brake block.This brake block is at high temperature, height
Under speed state, intensity is high, declining property of heat is little, pollution-free, safety, good stability, it is relevant that its main performance index has reached country
Standard, is expected to become new generation of environment protection high-performing car brake block.
The present invention through test of many times obtain optimum formula ratio be:
The concrete technology used of this formula and production decision:
Technological process: dispensing → metering → batch mixing → gluing → hot pressing → heat treatment → flat surface grinding → fluting → surface high-temp processes
→ spray paint → quality inspection → marking → packaging → warehouse-in.
Prepare in the optimal processing parameter of Abelmoschus manihot （L.） Medic fiber reinforcement environment-friendly type brake block according to orthogonal experiment research pressure sintering,
Press temperature, press time and pressing pressure are maximum to brake block performance impact.
Production decision:
First, being put into by the raw material of weighing in self-control agitator and stir 10～15 min, rotating speed is 300～400 r/min.Wherein
Dispensing, batch mixing, according to the ratio of formula, material is carried out dispensing in automatic batching system, selects friction material automatically to join
Material computer control system, this system can be automatically obtained charging, metering, discharge, batch mixing.Make Abelmoschus manihot （L.） Medic with ultimate fibre form as far as possible
It is scattered in compound, optimal reinforced effects could be reached in friction material.
Then, the raw material stirred is put in mould, be placed on chilling press preliminary pre-molding, will tentatively become
The transferred product of type on hot press, uses 2 steps to heat up, 3 venting, the technique of temperature control solidification prepare friction material.Wherein heat
Pressure temperature is 180 DEG C, and pressure 50～60MPa, hot pressing time is 10～15 minutes.
Finally, for making brake block material more to stablize, thermostability higher, the brake block that hot pressing is good is delivered in holding furnace
Carrying out heat treatment, furnace temperature is maintained at 250 DEG C, temperature retention time 4h, then cools down with furnace temperature, obtains test specimen.Brake after heat treatment
Sheet, its surface still has needs many burr, uses equipment for grinding that the brake block after heat treatment is carried out ground, equipment for grinding
Rotating speed is 30～40 revs/min so that it is surfacing.
The present invention obtains formula system and processing technique, the institute under Optimal technique process of optimum through repeatedly orthogonal test
The features such as the Abelmoschus manihot （L.） Medic fiber reinforcement environment-friendly type brake block of preparation, has product strength high, heat-resist, stable friction performance.
Additionally, its brake noise is little, free from environmental pollution, it is the high-performance automobile braking piece of a kind of novel function admirable.
Claims (2)
1. an Abelmoschus manihot （L.） Medic fiber reinforcement environment-friendly type brake block, it is characterised in that: in its formula, the mass ratio of each component is yellow
Althaea rosea (L.) Cavan. fiber 12%, Fanglun slurry cake 4%, Lai Peinasi fiber 14%, rare earth modified phenolic resin 10%, silane coupler 1.5%, titanium
Hydrochlorate coupling agent 2.5%, Brown Alundum increases the material 3% that rubs, calcined petroleum coke 3%, red copper powder 4%, electrographite 4%, blanc fixe
Filler 18%, lamellar frog stone 8%, crystal whisker of hexa potassium titanate 16%.
2. the preparation method of an Abelmoschus manihot （L.） Medic fiber reinforcement environment-friendly type brake block, it is characterised in that its preparation technology is: first, will
The raw material weighed is put in self-control agitator and is stirred 10～15 min, and rotating speed is 300～400 r/min；Then, will stir
Raw material put in mould, be placed on chilling press preliminary pre-molding, by the transferred product of first one-step forming to hot press,
Wherein hot pressing temperature is 180 DEG C, pressure 50～60MPa, and hot pressing time is 10～15 minutes；Finally the brake block that hot pressing is good is sent
Carrying out heat treatment in holding furnace, furnace temperature is maintained at 250 DEG C, temperature retention time 4h.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201610401559.4A CN106015400B (en) | 2016-06-11 | 2016-06-11 | A kind of sunset abelmoschus root fiber reinforcement environment-friendly type brake block and preparation method thereof |
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| CN201610401559.4A CN106015400B (en) | 2016-06-11 | 2016-06-11 | A kind of sunset abelmoschus root fiber reinforcement environment-friendly type brake block and preparation method thereof |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2012159286A1 (en) * | 2011-05-21 | 2012-11-29 | 瑞阳汽车零部件（仙桃）有限公司 | Copper-free friction material composition for brake pads |
| CN103361031A (en) * | 2013-07-18 | 2013-10-23 | 李美凤 | Brake pad for flax fiber reinforced environmental-friendly car and preparation method thereof |
| CN103436236A (en) * | 2013-08-28 | 2013-12-11 | 李美凤 | Palm fiber-reinforced environment-friendly type brake pad and preparation method thereof |
| CN103821852A (en) * | 2013-11-30 | 2014-05-28 | 瑞阳汽车零部件（仙桃）有限公司 | Environment-friendly brake pad adopting copper-free microcrystalline friction materials |
| CN103836098A (en) * | 2013-12-21 | 2014-06-04 | 姜著川 | Car brake block mixed with piemarker fiber and preparing method of car brake block |
-
2016
- 2016-06-11 CN CN201610401559.4A patent/CN106015400B/en not_active Expired - Fee Related
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2012159286A1 (en) * | 2011-05-21 | 2012-11-29 | 瑞阳汽车零部件（仙桃）有限公司 | Copper-free friction material composition for brake pads |
| US8962711B2 (en) * | 2011-05-21 | 2015-02-24 | Ruiyang Automotive Materials (Xiantao) Co., Ltd. | Copper-free friction material composition for brake pads |
| CN103361031A (en) * | 2013-07-18 | 2013-10-23 | 李美凤 | Brake pad for flax fiber reinforced environmental-friendly car and preparation method thereof |
| CN103436236A (en) * | 2013-08-28 | 2013-12-11 | 李美凤 | Palm fiber-reinforced environment-friendly type brake pad and preparation method thereof |
| CN103821852A (en) * | 2013-11-30 | 2014-05-28 | 瑞阳汽车零部件（仙桃）有限公司 | Environment-friendly brake pad adopting copper-free microcrystalline friction materials |
| CN103836098A (en) * | 2013-12-21 | 2014-06-04 | 姜著川 | Car brake block mixed with piemarker fiber and preparing method of car brake block |
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