CN105109064A - Preparation method for frictional material of bicycle brake - Google Patents
Preparation method for frictional material of bicycle brake Download PDFInfo
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- CN105109064A CN105109064A CN201510443649.5A CN201510443649A CN105109064A CN 105109064 A CN105109064 A CN 105109064A CN 201510443649 A CN201510443649 A CN 201510443649A CN 105109064 A CN105109064 A CN 105109064A
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- bicycle brake
- friction resistance
- resistance material
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C70/00—Shaping composites, i.e. plastics material comprising reinforcements, fillers or preformed parts, e.g. inserts
- B29C70/04—Shaping composites, i.e. plastics material comprising reinforcements, fillers or preformed parts, e.g. inserts comprising reinforcements only, e.g. self-reinforcing plastics
- B29C70/28—Shaping operations therefor
- B29C70/40—Shaping or impregnating by compression not applied
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C70/00—Shaping composites, i.e. plastics material comprising reinforcements, fillers or preformed parts, e.g. inserts
- B29C70/04—Shaping composites, i.e. plastics material comprising reinforcements, fillers or preformed parts, e.g. inserts comprising reinforcements only, e.g. self-reinforcing plastics
- B29C70/28—Shaping operations therefor
- B29C70/54—Component parts, details or accessories; Auxiliary operations, e.g. feeding or storage of prepregs or SMC after impregnation or during ageing
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
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Abstract
The invention discloses a preparation method for a frictional material of a bicycle brake. The preparation method comprises the following steps: mixing an epoxy resin emulsion, 4,4'-diaminodiphenylmethane, diphenylsulphone, silicon carbide, molybdenum trioxide, an anti-ager and a plasticizer at first; performing heating and heat preservation; adding polyether ketone, diatomite and chitosan while performing stirring; adding an ethylene-vinyl acetate copolymer, glass fibers, zinc borate and a dispersant into an obtained mixture; performing heating, heat preservation and stirring; then brushing carbon fibers with an obtained mixture B to prepare a friction layer prepreg; pressing the prepreg with a hydraulic press at 20-40 DEG C; and finally, performing ultrasonic cleaning of the obtained composite board, and then drying the composite board to obtain the frictional material. The obtained frictional material has the elongation at break of 9.8%, the bending strength of 116.7 MPa, the bending modulus of 3.9 GPa and the thermal conductivity below 0.49 w*(mK)<-1>, and is favorable in mechanical property, heat insulation effect and wear resistance.
Description
Technical field
The invention belongs to carbon fibre material technical field, be specifically related to a kind of preparation method of bicycle brake friction resistance material.
Background technology
Since the seventies in last century, carbon fibre composite started to be applied to bicycle designs and manufacture, the bicycle trade that carbon fibre composite is taking High-strength light-weight as target is approved by people gradually, receives increasing concern.Carbon fibre composite technology constantly develops in recent years, and carbon fiber price also constantly drops simultaneously, and these all facilitate the study and practice of carbon fibre composite at bicycle art.The spare part of current high-grade bike selects carbon fibre composite to become common practice, and due to the characteristic of carbon fibre material self excellence, the part utilizing carbon fibre material to make can meet the high-strength requirement of racer light weight completely.
Carbon fiber is the high strength of a kind of phosphorus content more than 95%, high-modulus tencel material, is emerging high-tech product in mid-term in 20th century.To have the feature of the rotten candle of heat-resisting, chemically-resistant than it with common Metal Phase, lighter with same volume tin metal specific mass, intensity is but higher than iron and steel.Except the characteristic with high-strength light, carbon fiber also has the excellent performance such as heat shock resistance and conduction, heat conduction, radioresistance.The characteristic of material with carbon element itself that not only has carbon fiber " soft outside but hard inside " also has both good soft paving property, therefore has that can compile preferably can textile.Carbon fiber still unique material that in the environment of 2000 DEG C, intensity can not reduce under inert gas shielding in scope always.At present, from various high-grade, precision and advanced and military field to normal domestic field all at a large amount of use carbon fibers and composite thereof.
Since last century, the seventies carbon fibre composite started to be applied to bicycle trade, in industry approved by people gradually, and receive increasing concern.Simultaneously ripe gradually technology and the price significantly declined, make the research and development of carbon fibre composite bicycle march toward a new step.At present domestic and international sports industry carbon fibre composite research investment continue to increase, no matter be cycle frame or front and rear fork aspect, all achieve good performance improvement achievement; But the composite structure of bicycle rim aspect and the research of performance are still for lacking.
Summary of the invention
The object of the invention is to overcome the deficiencies in the prior art and the preparation method that a kind of bicycle brake friction resistance material is provided, gained friction resistance material fracture elongation reaches 9.8%, bending strength reaches 116.7MPa, and bending modulus reaches 3.9GPa, and thermal conductivity is at 0.49W (mK)
-1below, there is good mechanical property, effect of heat insulation and abrasion resistance properties.
A preparation method for bicycle brake friction resistance material, comprises the following steps:
Step 1, with parts by weight, by epoxy resin latex 3 ~ 9 parts, 4,4'-MDA 1 ~ 5 part, diphenyl sulphone (DPS) 2 ~ 6 parts, 2 ~ 8 parts, carborundum, molybdenum trioxide 1 ~ 9 part, 2 ~ 7 parts, age resistor and the mixing of 3 ~ 6 parts, plasticizer, 60 ~ 90 DEG C of heating and thermal insulation 30 ~ 60min, add polyether-ketone 1 ~ 7 part, 3 ~ 8 parts, diatomite, shitosan 1 ~ 6 part while stirring, obtain mixture A;
Step 2, adds to ethane-acetic acid ethyenyl resin copolymer 2 ~ 6 parts, 1 ~ 5 part, glass fibre, Firebrake ZB 2 ~ 7 parts and dispersant 2 ~ 8 parts in step 1 gained mixture A, and 50 ~ 80 DEG C of heating and thermal insulations stir, and obtain mixture B;
Step 3, by step 3 gained mixture B brushing on carbon fiber, make frictional layer prepreg, with hydraulic press by prepreg 20 ~ 40 DEG C of compactings, obtain composite panel;
Step 4, by step 3 gained composite panel through ultrasonic cleaning post-drying, to obtain final product.
As the further improvement of foregoing invention, described epoxy resin latex is ethyl acetate solvent dilution type epoxy resin latex, and this emulsion average grain diameter is 2 μm, and solid content is 55%.
As the further improvement of foregoing invention, described age resistor is 2,5-ditert-butylhydro quinone.
As the further improvement of foregoing invention, described plasticizer is trioctyl trimellitate (TOTM) or di-n-octyl sebacate.
As the further improvement of foregoing invention, described dispersant is the one in Tissuemat E, OPE or polyamide wax.
Gained friction resistance material fracture elongation of the present invention reaches 9.8%, and bending strength reaches 116.7MPa, and bending modulus reaches 3.9GPa, and thermal conductivity is at 0.49W (mK)
-1below, there is good mechanical property, effect of heat insulation and abrasion resistance properties.
Detailed description of the invention
Embodiment 1
A preparation method for bicycle brake friction resistance material, comprises the following steps:
Step 1, with parts by weight, by epoxy resin latex 3 parts, 4,4'-MDA 1 part, diphenyl sulphone (DPS) 2 parts, 2 parts, carborundum, molybdenum trioxide 1 part, 2 parts, age resistor and the mixing of 3 parts, plasticizer, 60 DEG C of heating and thermal insulation 60min, add polyether-ketone 1 part, 3 parts, diatomite, shitosan 1 part while stirring, obtain mixture A;
Step 2, adds to ethane-acetic acid ethyenyl resin copolymer 2 parts, 1 part, glass fibre, Firebrake ZB 2 parts and dispersant 2 parts in step 1 gained mixture A, and 50 DEG C of heating and thermal insulations stir, and obtain mixture B;
Step 3, by step 3 gained mixture B brushing on carbon fiber, make frictional layer prepreg, with hydraulic press by prepreg 20 DEG C of compactings, obtain composite panel;
Step 4, by step 3 gained composite panel through ultrasonic cleaning post-drying, to obtain final product.
Above-mentioned epoxy resin latex is ethyl acetate solvent dilution type epoxy resin latex, and this emulsion average grain diameter is 2 μm, and solid content is 55%; Age resistor is 2,5-ditert-butylhydro quinone; Plasticizer is trioctyl trimellitate (TOTM); Dispersant is Tissuemat E.
Embodiment 2
A preparation method for bicycle brake friction resistance material, comprises the following steps:
Step 1, with parts by weight, by epoxy resin latex 6 parts, 4,4'-MDA 3 parts, diphenyl sulphone (DPS) 4 parts, 7 parts, carborundum, molybdenum trioxide 5 parts, 4 parts, age resistor and the mixing of 5 parts, plasticizer, 70 DEG C of heating and thermal insulation 40min, add polyether-ketone 3 parts, 6 parts, diatomite, shitosan 1 part while stirring, obtain mixture A;
Step 2, adds to ethane-acetic acid ethyenyl resin copolymer 2 parts, 5 parts, glass fibre, Firebrake ZB 4 parts and dispersant 6 parts in step 1 gained mixture A, and 60 DEG C of heating and thermal insulations stir, and obtain mixture B;
Step 3, by step 3 gained mixture B brushing on carbon fiber, make frictional layer prepreg, with hydraulic press by prepreg 30 DEG C of compactings, obtain composite panel;
Step 4, by step 3 gained composite panel through ultrasonic cleaning post-drying, to obtain final product.
Above-mentioned epoxy resin latex is ethyl acetate solvent dilution type epoxy resin latex, and this emulsion average grain diameter is 2 μm, and solid content is 55%; Age resistor is 2,5-ditert-butylhydro quinone; Plasticizer is di-n-octyl sebacate; Dispersant is OPE.
Embodiment 3
A preparation method for bicycle brake friction resistance material, comprises the following steps:
Step 1, with parts by weight, by epoxy resin latex 4 parts, 4,4'-MDA 3 parts, diphenyl sulphone (DPS) 5 parts, 7 parts, carborundum, molybdenum trioxide 8 parts, 6 parts, age resistor and the mixing of 4 parts, plasticizer, 80 DEG C of heating and thermal insulation 50min, add polyether-ketone 5 parts, 4 parts, diatomite, shitosan 2 parts while stirring, obtain mixture A;
Step 2, adds to ethane-acetic acid ethyenyl resin copolymer 5 parts, 2 parts, glass fibre, Firebrake ZB 6 parts and dispersant 7 parts in step 1 gained mixture A, and 70 DEG C of heating and thermal insulations stir, and obtain mixture B;
Step 3, by step 3 gained mixture B brushing on carbon fiber, make frictional layer prepreg, with hydraulic press by prepreg 30 DEG C of compactings, obtain composite panel;
Step 4, by step 3 gained composite panel through ultrasonic cleaning post-drying, to obtain final product.
Above-mentioned epoxy resin latex is ethyl acetate solvent dilution type epoxy resin latex, and this emulsion average grain diameter is 2 μm, and solid content is 55%; Age resistor is 2,5-ditert-butylhydro quinone; Plasticizer is trioctyl trimellitate (TOTM); Dispersant is polyamide wax.
Embodiment 4
A preparation method for bicycle brake friction resistance material, comprises the following steps:
Step 1, with parts by weight, by epoxy resin latex 9 parts, 4,4'-MDA 5 parts, diphenyl sulphone (DPS) 6 parts, 8 parts, carborundum, molybdenum trioxide 9 parts, 7 parts, age resistor and the mixing of 6 parts, plasticizer, 90 DEG C of heating and thermal insulation 30min, add polyether-ketone 7 parts, 8 parts, diatomite, shitosan 6 parts while stirring, obtain mixture A;
Step 2, adds to ethane-acetic acid ethyenyl resin copolymer 6 parts, 5 parts, glass fibre, Firebrake ZB 7 parts and dispersant 8 parts in step 1 gained mixture A, and 80 DEG C of heating and thermal insulations stir, and obtain mixture B;
Step 3, by step 3 gained mixture B brushing on carbon fiber, make frictional layer prepreg, with hydraulic press by prepreg 40 DEG C of compactings, obtain composite panel;
Step 4, by step 3 gained composite panel through ultrasonic cleaning post-drying, to obtain final product.
Above-mentioned epoxy resin latex is ethyl acetate solvent dilution type epoxy resin latex, and this emulsion average grain diameter is 2 μm, and solid content is 55%; Age resistor is 2,5-ditert-butylhydro quinone; Plasticizer is trioctyl trimellitate (TOTM); Dispersant is Tissuemat E.
Embodiment 5
The difference of the present embodiment and embodiment 3 is: not containing glass fibre in friction resistance material.Specific as follows:
A preparation method for bicycle brake friction resistance material, comprises the following steps:
Step 1, with parts by weight, by epoxy resin latex 4 parts, 4,4'-MDA 3 parts, diphenyl sulphone (DPS) 5 parts, 7 parts, carborundum, molybdenum trioxide 8 parts, 6 parts, age resistor and the mixing of 4 parts, plasticizer, 80 DEG C of heating and thermal insulation 50min, add polyether-ketone 5 parts, 4 parts, diatomite, shitosan 2 parts while stirring, obtain mixture A;
Step 2, adds to ethane-acetic acid ethyenyl resin copolymer 5 parts, Firebrake ZB 6 parts and dispersant 7 parts in step 1 gained mixture A, and 70 DEG C of heating and thermal insulations stir, and obtain mixture B;
Step 3, by step 3 gained mixture B brushing on carbon fiber, make frictional layer prepreg, with hydraulic press by prepreg 30 DEG C of compactings, obtain composite panel;
Step 4, by step 3 gained composite panel through ultrasonic cleaning post-drying, to obtain final product.
Above-mentioned epoxy resin latex is ethyl acetate solvent dilution type epoxy resin latex, and this emulsion average grain diameter is 2 μm, and solid content is 55%; Age resistor is 2,5-ditert-butylhydro quinone; Plasticizer is trioctyl trimellitate (TOTM); Dispersant is polyamide wax.
Embodiment 1 to 4 resulting materials sample is carried out performance test, and result is as follows:
As seen from the above table, gained friction resistance material fracture elongation of the present invention reaches 9.8%, and bending strength reaches 116.7MPa, and bending modulus reaches 3.9GPa, and thermal conductivity is at 0.49W (mK)
-1below, there is good mechanical property, effect of heat insulation and abrasion resistance properties.Friction resistance material in embodiment 5 is not containing glass fibre, cause its properties to decline, this may be because the probability that resin inside produces agglomeration increases, and have impact on the deployment conditions of inorganic filler in resin, defect is caused to cause stress to be concentrated, hydraulic performance decline.
Claims (5)
1. a preparation method for bicycle brake friction resistance material, is characterized in that: comprise the following steps:
Step 1, with parts by weight, by epoxy resin latex 3 ~ 9 parts, 4,4'-MDA 1 ~ 5 part, diphenyl sulphone (DPS) 2 ~ 6 parts, 2 ~ 8 parts, carborundum, molybdenum trioxide 1 ~ 9 part, 2 ~ 7 parts, age resistor and the mixing of 3 ~ 6 parts, plasticizer, 60 ~ 90 DEG C of heating and thermal insulation 30 ~ 60min, add polyether-ketone 1 ~ 7 part, 3 ~ 8 parts, diatomite, shitosan 1 ~ 6 part while stirring, obtain mixture A;
Step 2, adds to ethane-acetic acid ethyenyl resin copolymer 2 ~ 6 parts, 1 ~ 5 part, glass fibre, Firebrake ZB 2 ~ 7 parts and dispersant 2 ~ 8 parts in step 1 gained mixture A, and 50 ~ 80 DEG C of heating and thermal insulations stir, and obtain mixture B;
Step 3, by step 3 gained mixture B brushing on carbon fiber, make frictional layer prepreg, with hydraulic press by prepreg 20 ~ 40 DEG C of compactings, obtain composite panel;
Step 4, by step 3 gained composite panel through ultrasonic cleaning post-drying, to obtain final product.
2. the preparation method of bicycle brake friction resistance material according to claim 1, is characterized in that: described epoxy resin latex is ethyl acetate solvent dilution type epoxy resin latex, and this emulsion average grain diameter is 2 μm, and solid content is 55%.
3. the preparation method of bicycle brake friction resistance material according to claim 1, is characterized in that: described age resistor is 2,5-ditert-butylhydro quinone.
4. the preparation method of bicycle brake friction resistance material according to claim 1, is characterized in that: described plasticizer is trioctyl trimellitate (TOTM) or di-n-octyl sebacate.
5. the preparation method of bicycle brake friction resistance material according to claim 1, is characterized in that: described dispersant is the one in Tissuemat E, OPE or polyamide wax.
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| CN201510443649.5A CN105109064B (en) | 2015-07-24 | 2015-07-24 | A kind of preparation method of bicycle brake friction resistance material |
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| CN201510443649.5A CN105109064B (en) | 2015-07-24 | 2015-07-24 | A kind of preparation method of bicycle brake friction resistance material |
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| CN105109064B CN105109064B (en) | 2018-01-30 |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105481435A (en) * | 2016-01-11 | 2016-04-13 | 山东理工大学 | Method for preparing ethyl alcohol dispersion niobium boride silicon carbide-carbon fiber friction material |
| CN105481458A (en) * | 2016-01-12 | 2016-04-13 | 山东理工大学 | Preparation method for resin dispersed niobium boride silicon carbide-carbon fiber friction material |
| CN105481431A (en) * | 2016-01-11 | 2016-04-13 | 山东理工大学 | Preparing method for ethanol-dispersed tungsten boride silicon carbide and carbon fiber friction material |
| CN105481445A (en) * | 2016-01-11 | 2016-04-13 | 山东理工大学 | Preparation method for resin dispersed tungsten carbide silicon carbide-carbon fiber friction material |
| CN105481426A (en) * | 2016-01-11 | 2016-04-13 | 山东理工大学 | Preparing method for ethanol-dispersed vanadium carbide boron carbide and carbon fiber friction material |
| CN105481420A (en) * | 2016-01-11 | 2016-04-13 | 山东理工大学 | Preparing method for synthetic fat dispersed titanium carbide silicon carbide-carbon fiber friction material |
| CN109403043A (en) * | 2018-09-25 | 2019-03-01 | 石狮市鸿兴文体器材有限公司 | A kind of modified epoxy and preparation method thereof and carbon fibre initial rinse fabric |
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|---|---|---|---|---|
| CN102343679A (en) * | 2011-07-07 | 2012-02-08 | 中南大学 | Method for preparing carbon fiber fabrics friction material used for wet clutch and application thereof |
| CN103665771A (en) * | 2013-12-30 | 2014-03-26 | 石家庄中煤装备制造股份有限公司 | Wear-resistant composition, wear-resistant gear and manufacturing method of wear-resistant gear |
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2015
- 2015-07-24 CN CN201510443649.5A patent/CN105109064B/en active Active
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN102343679A (en) * | 2011-07-07 | 2012-02-08 | 中南大学 | Method for preparing carbon fiber fabrics friction material used for wet clutch and application thereof |
| CN103665771A (en) * | 2013-12-30 | 2014-03-26 | 石家庄中煤装备制造股份有限公司 | Wear-resistant composition, wear-resistant gear and manufacturing method of wear-resistant gear |
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105481435A (en) * | 2016-01-11 | 2016-04-13 | 山东理工大学 | Method for preparing ethyl alcohol dispersion niobium boride silicon carbide-carbon fiber friction material |
| CN105481431A (en) * | 2016-01-11 | 2016-04-13 | 山东理工大学 | Preparing method for ethanol-dispersed tungsten boride silicon carbide and carbon fiber friction material |
| CN105481445A (en) * | 2016-01-11 | 2016-04-13 | 山东理工大学 | Preparation method for resin dispersed tungsten carbide silicon carbide-carbon fiber friction material |
| CN105481426A (en) * | 2016-01-11 | 2016-04-13 | 山东理工大学 | Preparing method for ethanol-dispersed vanadium carbide boron carbide and carbon fiber friction material |
| CN105481420A (en) * | 2016-01-11 | 2016-04-13 | 山东理工大学 | Preparing method for synthetic fat dispersed titanium carbide silicon carbide-carbon fiber friction material |
| CN105481431B (en) * | 2016-01-11 | 2017-09-01 | 山东理工大学 | Ethanol disperses the preparation method of tungsten boride carborundum carbon fiber friction material |
| CN105481420B (en) * | 2016-01-11 | 2017-09-01 | 山东理工大学 | Close the preparation method that fat disperses titanium carbide carborundum carbon fiber friction material |
| CN105481458A (en) * | 2016-01-12 | 2016-04-13 | 山东理工大学 | Preparation method for resin dispersed niobium boride silicon carbide-carbon fiber friction material |
| CN109403043A (en) * | 2018-09-25 | 2019-03-01 | 石狮市鸿兴文体器材有限公司 | A kind of modified epoxy and preparation method thereof and carbon fibre initial rinse fabric |
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| CN105109064B (en) | 2018-01-30 |
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