CN104315052B - Microcapsule modified thermoplastic phenolic resin composite material brake pad - Google Patents
Microcapsule modified thermoplastic phenolic resin composite material brake pad Download PDFInfo
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- CN104315052B CN104315052B CN201410436875.6A CN201410436875A CN104315052B CN 104315052 B CN104315052 B CN 104315052B CN 201410436875 A CN201410436875 A CN 201410436875A CN 104315052 B CN104315052 B CN 104315052B
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- thermoplastic phenolic
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Abstract
The invention discloses a microcapsule modified thermoplastic phenolic resin composite material brake pad. The microcapsule modified thermoplastic phenolic resin composite material brake pad comprises the following raw materials in parts by weight: 12-15 parts of modified thermoplastic phenolic resin, 15-22 parts of nylon fiber, 5-10 parts of asphalt base carbon fiber, 5-10 parts of Dutch rock wool, 10-13 parts of cellulosic fiber, 15-20 parts of barite, 5-10 parts of fluorite, 5-6 parts of granular graphite, 5-8 parts of butadiene-acrylonitrile rubber powder, 8-10 parts of cashew nut shell oil friction powder and 2-4 parts of poly(urea-formaldehyde) coated bisphenol A-type epoxy resin microcapsule. The microcapsule modified thermoplastic phenolic resin composite material brake pad disclosed by the invention is good in toughness, moderate in hardness, wear resistant and excellent in heat resistance performance.
Description
Technical field
The present invention relates to brake block technical field, particularly relate to a kind of microcapsule modified thermoplastic phenolic resin multiple
Condensation material brake block.
Background technology
Brake block produces bigger temperature when repeatedly braking, and brake-block temperature raises, and resin high-temperature part is divided
Solving, the cohesive force between resin and unclassified stores reduces, and disc surface cracks, and fiber is pulled out de-
Falling, general phenolic resin is difficult to the demand meeting friction material when high temperature, how to prepare a kind of good toughness,
The brake pad material of Good Heat-resistance becomes to be presently required and solves the technical problem that.
Summary of the invention
The present invention proposes a kind of microcapsule modified thermoplastic phenolic resin composite brake block, good toughness,
Hardness is moderate, wear-resistant, Good Heat-resistance.
A kind of microcapsule modified thermoplastic phenolic resin composite brake block that the present invention proposes, its raw material is pressed
Weight portion includes:
Modified thermoplastic phenolic resin 12-15 part, nylon fiber 15-22 part, asphalt base carbon fiber 5-10 part,
Holland's rock wool 5-10 part, cellulose fibre 10-13 part, barite 15-20 part, fluorite 5-10 part,
Grain graphite 5-6 part, acrylonitrile-butadiene rubber powder 5-8 part, cashew shell oil Frication powder 8-10 part, uramit cladding is double
Phenol A type epoxy resin micro-capsule 2-4 part；
Wherein, in Holland rock wool, 50-58 part silicon oxide, 15-20 part aluminium oxide, 12-14 are contained by weight
Part calcium oxide, 10-12 part magnesium oxide, 5-8 part ferrum oxide, and the fibre length of Holland rock wool are 100-150 μm；
Wherein, the preparation technology of modified thermoplastic phenolic resin: thermoplastic phenolic resin heating is completely melt
After, add expanded vermiculite, after stirring 2.5-3h, be subsequently adding firming agent hexamethylenetetramine mix homogeneously,
Put into 6-8h in 175-178 DEG C of baking oven, obtain modified thermoplastic phenolic resin.
Preferably, the preparation technology of modified thermoplastic phenolic resin: by the most molten for thermoplastic phenolic resin heating
After change, add expanded vermiculite, after stirring 3h, be subsequently adding firming agent hexamethylenetetramine mix homogeneously, put
Enter 7h in 178 DEG C of baking ovens, obtain modified thermoplastic phenolic resin.
Preferably, in Holland rock wool, 56 parts of silicon oxides, 18 parts of aluminium oxidies, 13 parts of oxygen are contained by weight
Change calcium, 11 parts of magnesium oxide, 7 parts of ferrum oxides.
Preferably, in Holland rock wool, fibre length is 100-150 μm, and wherein fibre length is 100-115 μm
Account for 15-20wt%, fibre length is the 40-60wt% that accounts for of 115-130 μm, and fibre length is 130-145 μm
Account for 20-30wt%, fibre length be 145-150 μm account for 5-10wt%.
Preferably, modified thermoplastic phenolic resin and uramit cladding bisphenol A type epoxy resin microcapsule
Weight ratio is 12-14:4.
Preferably, its raw material includes by weight:
Modified thermoplastic phenolic resin 12-14 part, nylon fiber 20-21 part, asphalt base carbon fiber 8-10 part,
Holland's rock wool 8-10 part, cellulose fibre 12-13 part, barite 18-20 part, fluorite 6-8 part, granule
Graphite 5.5-6 part, acrylonitrile-butadiene rubber powder 6-8 part, cashew shell oil Frication powder 9-10 part, uramit cladding is double
Phenol A type epoxy resin micro-capsule 4 parts.
Preferably, its raw material includes by weight:
13 parts of modified thermoplastic phenolic resin, nylon fiber 20.5 parts, asphalt base carbon fiber 9 parts, Holland
Rock wool 9 parts, cellulose fibre 12.5 parts, 20 parts of barite, 6.5 parts of fluorite, granular graphite 5.8 parts,
Acrylonitrile-butadiene rubber powder 7.5 parts, cashew shell oil Frication powder 9.2 parts, uramit cladding bisphenol A type epoxy resin
Microcapsule 4 parts.
In the present invention, the modified thermoplastic phenolic resin prepared by the way of employing is certain is heat-resist, viscous
Knot property is relatively strong, and can strengthen the toughness of product and hard fragility, and uramit cladding bisphenol A type epoxy resin is micro-
The polymer that under capsule low viscosity, low volatility, room temperature, quick-drying and reaction is formed has stronger intensity, and
In polymerization process, shrinkage factor is low, and core-clad material is had bigger by uramit cladding bisphenol A type epoxy resin microcapsule
Encapsulation ratio, and there is enough stability, modified thermoplastic phenolic resin is coated with bisphenol-A with uramit
Type epoxy resin micro-capsule shares and appropriateness can reduce the hardness of brake block, can be to meet fretting wear, impact strong
On the premise of degree and hardness, the hardness of appropriateness can reduce the friction material infringement to frictional disk, during braking the most not
There will be and scream, the cellulose fibre excellent adsorption to unclassified stores, and other components can be helped to be uniformly distributed
In compound, during formed product, strengthening the adhesion between material, said components is fine with nylon
Dimension, asphalt base carbon fiber, Holland rock wool, barite, fluorite, granular graphite, acrylonitrile-butadiene rubber powder and Fructus anacardii
Shell oil drag powder organic adhesive together, can be obviously enhanced abrasion strength resistance, and by rationally limiting Holland's rock
Cotton internal composition content and the fibre length of Holland rock wool, the brake block made has excellent thermostability and resists
Cut, bending resistance and braking effect, in the present invention, above-mentioned microcapsule modified thermoplastic phenolic resin composite is stopped
Car sheet good toughness, hardness is moderate, wear-resistant, Good Heat-resistance.
Detailed description of the invention
Embodiment 1
A kind of microcapsule modified thermoplastic phenolic resin composite brake block, its raw material includes by weight:
13 parts of modified thermoplastic phenolic resin, nylon fiber 20.5 parts, asphalt base carbon fiber 9 parts, Holland
Rock wool 9 parts, cellulose fibre 12.5 parts, 20 parts of barite, 6.5 parts of fluorite, granular graphite 5.8 parts,
Acrylonitrile-butadiene rubber powder 7.5 parts, cashew shell oil Frication powder 9.2 parts, uramit cladding bisphenol A type epoxy resin
Microcapsule 4 parts；
Wherein, in Holland rock wool, in Holland rock wool, contain 56 parts of silicon oxides by weight, 18 parts of aluminium oxidies,
13 parts of calcium oxide, 11 parts of magnesium oxide, 7 parts of ferrum oxides, and the fibre length of Holland rock wool are 100-150 μm,
Wherein fibre length is the 15wt% that accounts for of 100-115 μm, and fibre length is the 60wt% that accounts for of 115-130 μm, fine
That ties up a length of 130-145 μm accounts for 20wt%, fibre length be 145-150 μm account for 5wt%；
Wherein, the preparation technology of modified thermoplastic phenolic resin: thermoplastic phenolic resin heating is completely melt
After, add expanded vermiculite, after stirring 3h, be subsequently adding firming agent hexamethylenetetramine mix homogeneously, put into
7h in 178 DEG C of baking ovens, obtains modified thermoplastic phenolic resin.
Embodiment 2
A kind of microcapsule modified thermoplastic phenolic resin composite brake block, its raw material includes by weight:
12 parts of modified thermoplastic phenolic resin, nylon fiber 22 parts, asphalt base carbon fiber 10 parts, Holland's rock
Cotton 5 parts, cellulose fibre 10 parts, 20 parts of barite, 5 parts of fluorite, granular graphite 5 parts, butyronitrile rubber
Rubber powder 8 parts, cashew shell oil Frication powder 10 parts, uramit cladding bisphenol A type epoxy resin microcapsule 2 parts；
Wherein, in Holland rock wool, 50 parts of silicon oxides, 20 parts of aluminium oxidies, 14 parts of oxidations are contained by weight
Calcium, 12 parts of magnesium oxide, 5 parts of ferrum oxides；The fibre length of Holland rock wool is 100-150 μm, and wherein fiber is long
Degree accounts for 20wt% for 100-115 μm, and fibre length is the 40wt% that accounts for of 115-130 μm, and fibre length is
130-145 μm account for 30wt%, fibre length be 145-150 μm account for 10wt%；
Wherein, the preparation technology of modified thermoplastic phenolic resin: thermoplastic phenolic resin heating is completely melt
After, add expanded vermiculite, after stirring 2.5h, be subsequently adding firming agent hexamethylenetetramine mix homogeneously, put
Enter 6h in 178 DEG C of baking ovens, obtain modified thermoplastic phenolic resin.
Embodiment 3
A kind of microcapsule modified thermoplastic phenolic resin composite brake block, its raw material includes by weight:
15 parts of modified thermoplastic phenolic resin, nylon fiber 15 parts, asphalt base carbon fiber 5 parts, Holland's rock
Cotton 10 parts, cellulose fibre 13 parts, 15 parts of barite, 10 parts of fluorite, granular graphite 6 parts, butyronitrile
Rubber powder 5 parts, cashew shell oil Frication powder 8 parts, uramit cladding bisphenol A type epoxy resin microcapsule 4
Part；
Wherein, in Holland rock wool, 58 parts of silicon oxides, 15 parts of aluminium oxidies, 12 parts of oxidations are contained by weight
Calcium, 10 parts of magnesium oxide, 8 parts of ferrum oxides；The fibre length of Holland rock wool is 100-150 μm, and wherein fiber is long
Degree accounts for 18wt% for 100-115 μm, and fibre length is the 52wt% that accounts for of 115-130 μm, and fibre length is
130-145 μm account for 23wt%, fibre length be 145-150 μm account for 7wt%；
Wherein, the preparation technology of modified thermoplastic phenolic resin: thermoplastic phenolic resin heating is completely melt
After, add expanded vermiculite, after stirring 3h, be subsequently adding firming agent hexamethylenetetramine mix homogeneously, put into
8h in 175 DEG C of baking ovens, obtains modified thermoplastic phenolic resin.
Embodiment 4
A kind of microcapsule modified thermoplastic phenolic resin composite brake block, its raw material includes by weight:
13 parts of modified thermoplastic phenolic resin, nylon fiber 16.3 parts, asphalt base carbon fiber 7 parts, Holland
Rock wool 8.3 parts, cellulose fibre 12 parts, 17 parts of barite, 6 parts of fluorite, granular graphite 5.5 parts,
Acrylonitrile-butadiene rubber powder 7.2 parts, cashew shell oil Frication powder 9 parts, uramit cladding bisphenol A type epoxy resin is micro-
Capsule 3.5 parts；
Wherein, in Holland rock wool, 55 parts of silicon oxides, 17 parts of aluminium oxidies, 13.5 parts of oxygen are contained by weight
Changing calcium, 11 parts of magnesium oxide, 6.3 parts of ferrum oxides, and the fibre length of Holland rock wool is 100-150 μm；
Wherein, the preparation technology of modified thermoplastic phenolic resin: thermoplastic phenolic resin heating is completely melt
After, add expanded vermiculite, after stirring 2.6h, be subsequently adding firming agent hexamethylenetetramine mix homogeneously, put
Enter 7.3h in 177 DEG C of baking ovens, obtain modified thermoplastic phenolic resin.
The above, the only present invention preferably detailed description of the invention, but protection scope of the present invention not office
Being limited to this, any those familiar with the art is in the technical scope that the invention discloses, according to this
The technical scheme of invention and inventive concept thereof in addition equivalent or change, all should contain the protection in the present invention
Within the scope of.
Claims (7)
1. a microcapsule modified thermoplastic phenolic resin composite brake block, it is characterised in that its raw material
Include by weight:
Modified thermoplastic phenolic resin 12-15 part, nylon fiber 15-22 part, asphalt base carbon fiber 5-10 part,
Holland's rock wool 5-10 part, cellulose fibre 10-13 part, barite 15-20 part, fluorite 5-10 part,
Grain graphite 5-6 part, acrylonitrile-butadiene rubber powder 5-8 part, cashew shell oil Frication powder 8-10 part, uramit cladding is double
Phenol A type epoxy resin micro-capsule 2-4 part；
Wherein, in Holland rock wool, 50-58 part silicon oxide, 15-20 part aluminium oxide, 12-14 are contained by weight
Part calcium oxide, 10-12 part magnesium oxide, 5-8 part ferrum oxide, and the fibre length of Holland rock wool are 100-150 μm；
Wherein, the preparation technology of modified thermoplastic phenolic resin: thermoplastic phenolic resin heating is completely melt
After, add expanded vermiculite, after stirring 2.5-3h, be subsequently adding firming agent hexamethylenetetramine mix homogeneously,
Put into 6-8h in 175-178 DEG C of baking oven, obtain modified thermoplastic phenolic resin.
Microcapsule modified thermoplastic phenolic resin composite brake block the most according to claim 1, its
It is characterised by, the preparation technology of modified thermoplastic phenolic resin: thermoplastic phenolic resin heating is completely melt
After, add expanded vermiculite, after stirring 3h, be subsequently adding firming agent hexamethylenetetramine mix homogeneously, put into
7h in 178 DEG C of baking ovens, obtains modified thermoplastic phenolic resin.
Microcapsule modified thermoplastic phenolic resin composite brake block the most according to claim 1, its
It is characterised by, in Holland rock wool, contains 56 parts of silicon oxides, 18 parts of aluminium oxidies, 13 parts of oxidations by weight
Calcium, 11 parts of magnesium oxide, 7 parts of ferrum oxides.
Microcapsule modified thermoplastic phenolic resin composite brake block the most according to claim 1, its
Being characterised by, in Holland rock wool, fibre length is 100-150 μm, and wherein fibre length is 100-115 μm
Account for 15-20wt%, fibre length is the 40-60wt% that accounts for of 115-130 μm, and fibre length is 130-145 μm
Account for 20-30wt%, fibre length be 145-150 μm account for 5-10wt%.
Microcapsule modified thermoplastic phenolic resin composite brake block the most according to claim 1, its
Being characterised by, modified thermoplastic phenolic resin is coated with the weight of bisphenol A type epoxy resin microcapsule with uramit
Amount ratio is 12-14:4.
Microcapsule modified thermoplastic phenolic resin composite brake block the most according to claim 1, its
Being characterised by, its raw material includes by weight:
Modified thermoplastic phenolic resin 12-14 part, nylon fiber 20-21 part, asphalt base carbon fiber 8-10 part,
Holland's rock wool 8-10 part, cellulose fibre 12-13 part, barite 18-20 part, fluorite 6-8 part, granule
Graphite 5.5-6 part, acrylonitrile-butadiene rubber powder 6-8 part, cashew shell oil Frication powder 9-10 part, uramit cladding is double
Phenol A type epoxy resin micro-capsule 4 parts.
Microcapsule modified thermoplastic phenolic resin composite brake block the most according to claim 6, its
Being characterised by, its raw material includes by weight:
13 parts of modified thermoplastic phenolic resin, nylon fiber 20.5 parts, asphalt base carbon fiber 9 parts, Holland
Rock wool 9 parts, cellulose fibre 12.5 parts, 20 parts of barite, 6.5 parts of fluorite, granular graphite 5.8 parts,
Acrylonitrile-butadiene rubber powder 7.5 parts, cashew shell oil Frication powder 9.2 parts, uramit cladding bisphenol A type epoxy resin
Microcapsule 4 parts.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410436875.6A CN104315052B (en) | 2014-08-29 | 2014-08-29 | Microcapsule modified thermoplastic phenolic resin composite material brake pad |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410436875.6A CN104315052B (en) | 2014-08-29 | 2014-08-29 | Microcapsule modified thermoplastic phenolic resin composite material brake pad |
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| CN104315052A CN104315052A (en) | 2015-01-28 |
| CN104315052B true CN104315052B (en) | 2017-01-11 |
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| CN201410436875.6A Active CN104315052B (en) | 2014-08-29 | 2014-08-29 | Microcapsule modified thermoplastic phenolic resin composite material brake pad |
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Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN108547887B (en) * | 2018-04-12 | 2020-05-01 | 北京天宜上佳高新材料股份有限公司 | Inorganic salt reinforced aluminum alloy composite material, self-cooling brake disc prepared from inorganic salt reinforced aluminum alloy composite material and preparation method |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101619156A (en) * | 2008-07-01 | 2010-01-06 | 北京工商大学 | Application of micro-capsule self-repair technology in automobile brake shoe made of composite material |
| CN101619125A (en) * | 2009-07-28 | 2010-01-06 | 陕西师范大学 | Dual catalyst system thermoplastic phenolic resin preparation method and application for preparing coated sand thereof |
| CN103249798A (en) * | 2010-12-08 | 2013-08-14 | 株式会社爱德克斯 | Method for manufacturing friction material |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2000001599A (en) * | 1998-03-10 | 2000-01-07 | Kashima Oil Co Ltd | Resin composition based on highly reactive modified phenol resin, and molded item, fiber-reinforced resin plate, friction material, foam, adhesive, corrosionproof coating material, and flame retardant |
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2014
- 2014-08-29 CN CN201410436875.6A patent/CN104315052B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101619156A (en) * | 2008-07-01 | 2010-01-06 | 北京工商大学 | Application of micro-capsule self-repair technology in automobile brake shoe made of composite material |
| CN101619125A (en) * | 2009-07-28 | 2010-01-06 | 陕西师范大学 | Dual catalyst system thermoplastic phenolic resin preparation method and application for preparing coated sand thereof |
| CN103249798A (en) * | 2010-12-08 | 2013-08-14 | 株式会社爱德克斯 | Method for manufacturing friction material |
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