CN104235243A - Automotive brake block made from modified thermoplastic phenolic resin material - Google Patents
Automotive brake block made from modified thermoplastic phenolic resin material Download PDFInfo
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- CN104235243A CN104235243A CN201410436290.4A CN201410436290A CN104235243A CN 104235243 A CN104235243 A CN 104235243A CN 201410436290 A CN201410436290 A CN 201410436290A CN 104235243 A CN104235243 A CN 104235243A
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- thermoplastic phenolic
- expanded vermiculite
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Abstract
The invention discloses an automotive brake block made from a modified thermoplastic phenolic resin material. The brake block comprises the following raw materials in parts by weight: 15-20 parts of modified thermoplastic phenolic resin, 15-20 parts of nylon fiber, 8-10 parts of pitch-based carbon fiber, 5-10 parts of polypropylene fiber, 8-10 parts of lignin fiber, 3-5 parts of expanded vermiculite, 10-17 parts of barite, 12-15 parts of chromium iron powder, 8-10 parts of fluorite, 5-7 parts of crystalline flake graphite, 6-8 parts of nitrile rubber powder, 5-8 parts of tyre powder, 5-6 parts of iron powder and 10-13 parts of silicon dioxide. The automotive brake block made from the modified thermoplastic phenolic resin material provided by the invention is good in toughening effect and thermal stability, excellent in heat-resistant quality, and better in friction stability and wearable performance.
Description
Technical field
The present invention relates to automotive brake pad technical field, particularly relate to a kind of modified thermoplastic phenolic resin material automotive brake pad.
Background technique
In friction material application, take asbestos fiber as the friction material of reinforcing material, because asbestos fiber has good heat resistance, friction factor is high, specific surface area is large, cheap and abundance can meet the demand of friction material, at present along with the development of science and technology, to the speed of transport facility and dynamic power machine, load and security requirement more and more higher, instantaneous high-temperature is there is during asbestos friction material braking, make automobile brake sheet to produce serious heat fade, cause brake block inordinate wear, asbestos material forms dust and flies away in atmosphere, asbestos dust has carcinogenesis, some automobile making big countries have fully phased out asbestos-based friction material in recent years, phenolic resin has good heat resistance and mechanical property, it is the most important matrix of friction resistance material always, but its fragility is large, poor toughness, heat resistance is not enough.
Summary of the invention
The present invention proposes a kind of modified thermoplastic phenolic resin material automotive brake pad, toughening effect, thermal stability are good, Good Heat-resistance, and friction stability, wear-resisting property are also better.
A kind of modified thermoplastic phenolic resin material automotive brake pad that the present invention proposes, its raw material comprises by weight: modified thermoplastic phenolic resin 15-20 part, nylon fiber 15-20 part, asphalt base carbon fiber 8-10 part, polypropylene fiber 5-10 part, lignin fibre 8-10 part, expanded vermiculite 3-5 part, barite 10-17 part, chromite powder 12-15 part, fluorite 8-10 part, crystalline flake graphite 5-7 part, acrylonitrile-butadiene rubber powder 6-8 part, tyre talc 5-8 part, iron powder 5-6 part, silica 1 0-13 part; The wherein preparation process of modified thermoplastic phenolic resin: after novolac resin heating completely fusing, add expanded vermiculite, after stirring 2.5-3h, then add curing agent hexamethylenetetramine and mix, put into 175-178 DEG C of baking oven 6-8h, obtain modified thermoplastic phenolic resin.
Preferably, the weight ratio of modified thermoplastic phenolic resin and expanded vermiculite is 16-18:4.
Preferably, expanded vermiculite unit weight is 120-140kg/m3, and water content is 6-7%, and sintering temperature is 1120-1130 DEG C.
Preferably, its raw material comprises by weight: modified thermoplastic phenolic resin 16-18 part, nylon fiber 16-17 part, asphalt base carbon fiber 9-10 part, polypropylene fiber 6-8 part, lignin fibre 9-10 part, expanded vermiculite 4 parts, barite 12-15 part, chromite powder 13-14 part, fluorite 9-10 part, crystalline flake graphite 6-7 part, acrylonitrile-butadiene rubber powder 6-7 part, tyre talc 7-8 part, iron powder 5.5-6 part, silica 1 1-12 part.
Preferably, its raw material comprises by weight: 17 parts, modified thermoplastic phenolic resin, nylon fiber 16.2 parts, asphalt base carbon fiber 9.8 parts, polypropylene fiber 7 parts, lignin fibre 9.2 parts, expanded vermiculite 4 parts, 14 parts, barite, chromite powder 13.8 parts, 9.5 parts, fluorite, crystalline flake graphite 6.5 parts, acrylonitrile-butadiene rubber powder 7 parts, tyre talc 8 parts, iron powder 5.8 parts, silica 1 1.2 parts.
Preferably, the preparation process of modified thermoplastic phenolic resin: after novolac resin heating completely fusing, add expanded vermiculite, after stirring 2.5h, then add curing agent hexamethylenetetramine to mix, put into 176 DEG C of baking oven 7h, obtain modified thermoplastic phenolic resin.
In the present invention, expanded vermiculite lamella reaches nano level dispersion, modified thermoplastic phenolic resin is prepared by adopting certain mode, the effect of expanded vermiculite and modified thermoplastic phenolic resin is strong, even if the adding quantity of expanded vermiculite layer is few, its quantity peeling off lamella is also comparatively large, and the effect of expanded vermiculite lamella its physical crosslinking point in the polymer in resin curing process, polymer molecular chain and expanded vermiculite lamella large in conjunction with probability, strengthens, toughening effect is good, and the resistance to heat of product significantly improves, and and nylon fiber, asphalt base carbon fiber, polypropylene fiber, lignin fibre, barite, chromite powder, fluorite, crystalline flake graphite, acrylonitrile-butadiene rubber powder, tyre talc, iron powder, silica organic adhesive together, significantly can strengthen abrasion strength resistance, the content of conservative control said components, can under the prerequisite improving friction stability, improve antifriction performance, with the mating reaction of modified thermoplastic phenolic resin, interface binding intensity is large, wear and tear low, the brake block made has excellent heat resistance and shearing resistance, bending resistance and braking effect, when conservative control expanded vermiculite unit weight, water content and sintering temperature, the heat stabilization of product can be strengthened further, in the present invention, above-mentioned modified thermoplastic phenolic resin material automotive brake pad toughening effect, thermal stability are good, Good Heat-resistance, and friction stability, wear-resisting property are also better.
Embodiment
Embodiment 1
A kind of modified thermoplastic phenolic resin material automotive brake pad, its raw material comprises by weight: 17 parts, modified thermoplastic phenolic resin, nylon fiber 16.2 parts, asphalt base carbon fiber 9.8 parts, polypropylene fiber 7 parts, lignin fibre 9.2 parts, expanded vermiculite 4 parts, 14 parts, barite, chromite powder 13.8 parts, 9.5 parts, fluorite, crystalline flake graphite 6.5 parts, acrylonitrile-butadiene rubber powder 7 parts, tyre talc 8 parts, iron powder 5.8 parts, silica 1 1.2 parts;
Wherein expanded vermiculite unit weight is 125kg/m3, and water content is 6.3%, and sintering temperature is 1120 DEG C;
The wherein preparation process of modified thermoplastic phenolic resin: after novolac resin heating completely fusing, add expanded vermiculite, after stirring 2.5h, then add curing agent hexamethylenetetramine and mix, put into 176 DEG C of baking oven 7h, obtain modified thermoplastic phenolic resin.
Embodiment 2
A kind of modified thermoplastic phenolic resin material automotive brake pad, its raw material comprises by weight: 15 parts, modified thermoplastic phenolic resin, nylon fiber 20 parts, asphalt base carbon fiber 8 parts, polypropylene fiber 10 parts, lignin fibre 8 parts, expanded vermiculite 5 parts, 10 parts, barite, chromite powder 12 parts, 8 parts, fluorite, crystalline flake graphite 5 parts, acrylonitrile-butadiene rubber powder 8 parts, tyre talc 8 parts, iron powder 5 parts, silica 13 parts;
The wherein preparation process of modified thermoplastic phenolic resin: after novolac resin heating completely fusing, add expanded vermiculite, after stirring 2.5h, then add curing agent hexamethylenetetramine and mix, put into 178 DEG C of baking oven 6h, obtain modified thermoplastic phenolic resin.
Embodiment 3
A kind of modified thermoplastic phenolic resin material automotive brake pad, its raw material comprises by weight: 20 parts, modified thermoplastic phenolic resin, nylon fiber 15 parts, asphalt base carbon fiber 10 parts, polypropylene fiber 5 parts, lignin fibre 10 parts, expanded vermiculite 3 parts, 17 parts, barite, chromite powder 15 parts, 10 parts, fluorite, crystalline flake graphite 7 parts, acrylonitrile-butadiene rubber powder 6 parts, tyre talc 5 parts, iron powder 6 parts, silica 10 part;
Wherein expanded vermiculite unit weight is 120kg/m3, and water content is 7%, and sintering temperature is 1120 DEG C;
The wherein preparation process of modified thermoplastic phenolic resin: after novolac resin heating completely fusing, add expanded vermiculite, after stirring 3h, then add curing agent hexamethylenetetramine and mix, put into 175 DEG C of baking oven 8h, obtain modified thermoplastic phenolic resin.
Embodiment 4
A kind of modified thermoplastic phenolic resin material automotive brake pad, its raw material comprises by weight: 16 parts, modified thermoplastic phenolic resin, nylon fiber 17.3 parts, asphalt base carbon fiber 8.5 parts, polypropylene fiber 6.3 parts, lignin fibre 8.2 parts, expanded vermiculite 4.1 parts, 12 parts, barite, chromite powder 13.2 parts, 9.3 parts, fluorite, crystalline flake graphite 6.2 parts, acrylonitrile-butadiene rubber powder 7.1 parts, tyre talc 6.3 parts, iron powder 5.2 parts, silica 11 part;
Wherein expanded vermiculite unit weight is 140kg/m3, and water content is 6%, and sintering temperature is 1130 DEG C;
The wherein preparation process of modified thermoplastic phenolic resin: after novolac resin heating completely fusing, add expanded vermiculite, after stirring 2.7h, then add curing agent hexamethylenetetramine and mix, put into 176 DEG C of baking oven 7h, obtain modified thermoplastic phenolic resin.
The above; be only the present invention's preferably embodiment; but protection scope of the present invention is not limited thereto; anyly be familiar with those skilled in the art in the technical scope that the present invention discloses; be equal to according to technological scheme of the present invention and inventive concept thereof and replace or change, all should be encompassed within protection scope of the present invention.
Claims (6)
1. a modified thermoplastic phenolic resin material automotive brake pad, is characterized in that, its raw material comprises by weight: modified thermoplastic phenolic resin 15-20 part, nylon fiber 15-20 part, asphalt base carbon fiber 8-10 part, polypropylene fiber 5-10 part, lignin fibre 8-10 part, expanded vermiculite 3-5 part, barite 10-17 part, chromite powder 12-15 part, fluorite 8-10 part, crystalline flake graphite 5-7 part, acrylonitrile-butadiene rubber powder 6-8 part, tyre talc 5-8 part, iron powder 5-6 part, silica 1 0-13 part; The wherein preparation process of modified thermoplastic phenolic resin: after novolac resin heating completely fusing, add expanded vermiculite, after stirring 2.5-3h, then add curing agent hexamethylenetetramine and mix, put into 175-178 DEG C of baking oven 6-8h, obtain modified thermoplastic phenolic resin.
2. modified thermoplastic phenolic resin material automotive brake pad according to claim 1, is characterized in that, the weight ratio of modified thermoplastic phenolic resin and expanded vermiculite is 16-18:4.
3. modified thermoplastic phenolic resin material automotive brake pad according to claim 1, is characterized in that, expanded vermiculite unit weight is 120-140kg/m3, and water content is 6-7%, and sintering temperature is 1120-1130 DEG C.
4. modified thermoplastic phenolic resin material automotive brake pad according to claim 1, it is characterized in that, its raw material comprises by weight: modified thermoplastic phenolic resin 16-18 part, nylon fiber 16-17 part, asphalt base carbon fiber 9-10 part, polypropylene fiber 6-8 part, lignin fibre 9-10 part, expanded vermiculite 4 parts, barite 12-15 part, chromite powder 13-14 part, fluorite 9-10 part, crystalline flake graphite 6-7 part, acrylonitrile-butadiene rubber powder 6-7 part, tyre talc 7-8 part, iron powder 5.5-6 part, silica 1 1-12 part.
5. modified thermoplastic phenolic resin material automotive brake pad according to claim 1, it is characterized in that, its raw material comprises by weight: 17 parts, modified thermoplastic phenolic resin, nylon fiber 16.2 parts, asphalt base carbon fiber 9.8 parts, polypropylene fiber 7 parts, lignin fibre 9.2 parts, expanded vermiculite 4 parts, 14 parts, barite, chromite powder 13.8 parts, 9.5 parts, fluorite, crystalline flake graphite 6.5 parts, acrylonitrile-butadiene rubber powder 7 parts, tyre talc 8 parts, iron powder 5.8 parts, silica 1 1.2 parts.
6. modified thermoplastic phenolic resin material automotive brake pad according to claim 1, it is characterized in that, the preparation process of modified thermoplastic phenolic resin: after novolac resin heating completely fusing, add expanded vermiculite, after stirring 2.5h, then add curing agent hexamethylenetetramine to mix, put into 176 DEG C of baking oven 7h, obtain modified thermoplastic phenolic resin.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410436290.4A CN104235243A (en) | 2014-08-29 | 2014-08-29 | Automotive brake block made from modified thermoplastic phenolic resin material |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201410436290.4A CN104235243A (en) | 2014-08-29 | 2014-08-29 | Automotive brake block made from modified thermoplastic phenolic resin material |
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| CN104235243A true CN104235243A (en) | 2014-12-24 |
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| CN201410436290.4A Pending CN104235243A (en) | 2014-08-29 | 2014-08-29 | Automotive brake block made from modified thermoplastic phenolic resin material |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106867194A (en) * | 2017-04-17 | 2017-06-20 | 南通万达摩擦材料有限公司 | Automobile clutch disc |
| CN108506387A (en) * | 2018-03-29 | 2018-09-07 | 济南大学 | A kind of brake pad and preparation method thereof, brake block |
| CN108752862A (en) * | 2018-06-27 | 2018-11-06 | 巩义市泛锐熠辉复合材料有限公司 | A kind of supercritical CO2The method that auxiliary prepares carbon fiber/phenolic resin composite |
| CN112981596A (en) * | 2019-12-17 | 2021-06-18 | 江苏恒源康盛高科新材料有限公司 | Resin type rubber plastic fibril and production process thereof |
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| JPH06240049A (en) * | 1993-02-22 | 1994-08-30 | Mitsubishi Gas Chem Co Inc | Carbon-fiber-reinforced thermoplastic resin composition |
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| CN101158383A (en) * | 2007-10-30 | 2008-04-09 | 徐州工业职业技术学院 | Brake block friction material |
| JP2008189867A (en) * | 2007-02-07 | 2008-08-21 | Teijin Ltd | Composite material of carbon fiber-reinforced thermoplastic resin |
| CN101555916A (en) * | 2009-01-25 | 2009-10-14 | 瑞阳汽车零部件（仙桃）有限公司 | Corrosion resistant low noise semi-metallic brake pad |
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| CN101555918A (en) * | 2009-01-25 | 2009-10-14 | 瑞阳汽车零部件（仙桃）有限公司 | High-performance organic fibre brake pad |
| CN101768323A (en) * | 2008-12-31 | 2010-07-07 | 重庆振华制动器有限公司 | Material for preparing steel fiber brake pad |
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2014
- 2014-08-29 CN CN201410436290.4A patent/CN104235243A/en active Pending
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
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| JPH06240049A (en) * | 1993-02-22 | 1994-08-30 | Mitsubishi Gas Chem Co Inc | Carbon-fiber-reinforced thermoplastic resin composition |
| JPH09255872A (en) * | 1996-03-26 | 1997-09-30 | Nippon G Ii Plast Kk | Antistatic resin composition |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106867194A (en) * | 2017-04-17 | 2017-06-20 | 南通万达摩擦材料有限公司 | Automobile clutch disc |
| CN108506387A (en) * | 2018-03-29 | 2018-09-07 | 济南大学 | A kind of brake pad and preparation method thereof, brake block |
| CN108752862A (en) * | 2018-06-27 | 2018-11-06 | 巩义市泛锐熠辉复合材料有限公司 | A kind of supercritical CO2The method that auxiliary prepares carbon fiber/phenolic resin composite |
| CN112981596A (en) * | 2019-12-17 | 2021-06-18 | 江苏恒源康盛高科新材料有限公司 | Resin type rubber plastic fibril and production process thereof |
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Application publication date: 20141224 |