CN105778378A - Preparation method of friction brake material - Google Patents
Preparation method of friction brake material Download PDFInfo
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- CN105778378A CN105778378A CN201610132634.1A CN201610132634A CN105778378A CN 105778378 A CN105778378 A CN 105778378A CN 201610132634 A CN201610132634 A CN 201610132634A CN 105778378 A CN105778378 A CN 105778378A
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L77/00—Compositions of polyamides obtained by reactions forming a carboxylic amide link in the main chain; Compositions of derivatives of such polymers
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L27/00—Compositions of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a halogen; Compositions of derivatives of such polymers
- C08L27/02—Compositions of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a halogen; Compositions of derivatives of such polymers not modified by chemical after-treatment
- C08L27/04—Compositions of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a halogen; Compositions of derivatives of such polymers not modified by chemical after-treatment containing chlorine atoms
- C08L27/06—Homopolymers or copolymers of vinyl chloride
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L33/00—Compositions of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and only one being terminated by only one carboxyl radical, or of salts, anhydrides, esters, amides, imides or nitriles thereof; Compositions of derivatives of such polymers
- C08L33/02—Homopolymers or copolymers of acids; Metal or ammonium salts thereof
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K2201/00—Specific properties of additives
- C08K2201/014—Additives containing two or more different additives of the same subgroup in C08K
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2205/00—Polymer mixtures characterised by other features
- C08L2205/03—Polymer mixtures characterised by other features containing three or more polymers in a blend
- C08L2205/035—Polymer mixtures characterised by other features containing three or more polymers in a blend containing four or more polymers in a blend
Abstract
The invention provides a preparation method of a friction brake material.The method includes the steps that firstly zinc fatty acid is taken and heated to 150-170 DEG C, blanc fixe is added, stirred and cooled, then polyvinyl chloride, glycerinum, soya bean lecithin and ethylene bis stearamide are added and mixed while the temperature is raised, the mixture is cooled to room temperature, and a mixture A is obtained; then, polyamide modified phenolic resin, ammonium polymethacrylate, epoxy resin, wollastonite, potassium hexatitanate whisker and polyamide wax are taken, mixed while the temperature is raised and cooled, and a mixture B is obtained; then the mixture A and the mixture B are mixed, dried and subjected to ball-milling, and a mixture C is obtained; finally, the mixture C is mixed with graphite, graphite, iron powder, nickel powder, methyl silicone oil, makrolon, and ethanol, 2-amino-, monoester with boric acid and subjected to vacuum sintering, and the friction brake material is obtained.The friction brake material has good friction and brake performance.
Description
Technical field
The invention belongs to friction materials technology field, the preparation method being specifically related to a kind of friction braking material.
Background technology
Along with the means of transports such as automobile, train, aircraft to high-power, at a high speed, heavy duty direction develop, require to improve constantly to its comfort level and security performance, the performance tackling friction braking material mutually it is also proposed harsher requirement.Traditional friction braking material is based on semimetal friction material, powder metallurgy friction material and a small amount of asbestos friction material, but all there is deficiency in various degree, and such as semimetal, powder metallurgy friction material density greatly, easy-to-rust, during braking, noise is big;Asbestos belong to carcinogen, prohibit the use of.These can not meet the demand of industrial development, it is necessary to finds Novel brake material to replace traditional friction material.
Friction material is for the brake material in various transport facilitys and the brake of machinery equipment, clutch and friction gearing.In these brake units, utilize the frictional behaviour of friction material that the kinetic energy of rotation is converted into the energy of heat energy or other form, so that tumbler braking.Desirable brake material should have following performance: enough and stable coefficient of frictions;High heat conductivity and thermostability;High wearability;Good oil resistant, wet and corrosive power;Enough intensity;When carrying out CONTACT WITH FRICTION with the parts fitted, generation seldom or not produces noise;Do not cohere at work or be engaged;Raw material sources is abundant, and cost performance is high, has good processing performance etc..
At high speed brake field (such as aircraft, bullet train and Gran turismo), there is the shortcoming such as quality weight and heat-resisting ability difference in traditional powder metallurgy brake material;After 20 century 70s carbon/carbon (C/C) composite of development due to light weight, can carry energy high, high temperature resistant by force, the feature such as long service life, become now widely used aircraft finance lease.But when using in humidity and salt mist environment, coefficient of friction sharply declines so that braking quality is unstable, it is difficult to meet the demand of the round-the-clock and complicated military service of aircraft.Additionally, C/C composite is poor due to its pyro-oxidation resistance, also need to design inoxidzable coating when preparing brake material.
Summary of the invention
The preparation method that it is an object of the invention to overcome the deficiencies in the prior art and provide a kind of friction braking material, gained friction braking material has good frictional damping performance.
The preparation method of a kind of friction braking material, comprises the following steps:
Step 1, with parts by weight, taking fatty acid zinc 20~30 parts, heating, to 150~170 DEG C, adds blanc fixe 3~8 parts, stirring, adding polrvinyl chloride 2~7 parts, glycerol 1~5 part, soybean lecithin 2~5 parts, ethylene bis stearamide 1~6 part after cooling, heat up mixing, it is cooled to room temperature, obtains mixture A;
Step 2, with parts by weight, takes 2~6 parts of polyamide modified phenolic resin, ammonium polymethacrylate 3~5 parts, epoxy resin 1~6 part, wollastonite 2~5 parts, six too sour potassium whiskers 1~4 part, polyamide wax 3~7 parts, and heat up mixing, and cooling obtains mixture B;
Step 3, mixes mixture A, mixture B, drying, ball milling, obtains mixture C;
Step 4, mixes 1~5 part of mixture C and graphite, titanium oxide 2~6 parts, iron powder 1~4 part, nikel powder 2~6 parts, methyl-silicone oil 0.8~2.5 part, Merlon 1~5 part, boric acid monoethanolamine 2~5 parts, vacuum-sintering, to obtain final product.
Further, the temperature of the mixing that heats up in step 1 is 80~110 DEG C, and the time is 20~30min.
Further, the temperature of the mixing that heats up in step 2 is 50~70 DEG C, and the time is 20~30min.
Further, drying temperature in step 3 is 110~120 DEG C.
Further, in step 4, sintering temperature is 1400~1600 DEG C, and the time is 2~4h.
Further, step 3 also needs to add citric acid 4~10 parts.
Friction braking material provided by the invention has good frictional damping performance.
Detailed description of the invention
Embodiment 1
The preparation method of a kind of friction braking material, comprises the following steps:
Step 1, with parts by weight, takes fatty acid zinc 20 parts, and heating is to 150 DEG C, add blanc fixe 3 parts, stirring, after cooling, add polrvinyl chloride 2 parts, glycerol 1 part, soybean lecithin 2 parts, ethylene bis stearamide 1 part, heat up mixing, is cooled to room temperature, obtains mixture A;
Step 2, with parts by weight, takes 2 parts of polyamide modified phenolic resin, ammonium polymethacrylate 3 parts, epoxy resin 1 part, wollastonite 2 parts, six too sour potassium whiskers 1 part, polyamide wax 3 parts, and heat up mixing, and cooling obtains mixture B;
Step 3, mixes mixture A, mixture B, drying, ball milling, obtains mixture C;
Step 4, mixes 1 part of mixture C and graphite, titanium oxide 2 parts, iron powder 1 part, nikel powder 2 parts, methyl-silicone oil 0.8 part, Merlon 1 part, boric acid monoethanolamine 2 parts, vacuum-sintering, to obtain final product.
Wherein, the temperature of the mixing that heats up in step 1 is 80 DEG C, and the time is 30min;The temperature mixed that heats up in step 2 is 50 DEG C, and the time is 30min;Drying temperature in step 3 is 110 DEG C;In step 4, sintering temperature is 1400 DEG C, and the time is 4h.
Embodiment 2
The preparation method of a kind of friction braking material, comprises the following steps:
Step 1, with parts by weight, takes fatty acid zinc 23 parts, and heating is to 160 DEG C, add blanc fixe 7 parts, stirring, after cooling, add polrvinyl chloride 5 parts, glycerol 2 parts, soybean lecithin 3 parts, ethylene bis stearamide 5 parts, heat up mixing, is cooled to room temperature, obtains mixture A;
Step 2, with parts by weight, takes 5 parts of polyamide modified phenolic resin, ammonium polymethacrylate 4 parts, epoxy resin 3 parts, wollastonite 4 parts, six too sour potassium whiskers 2 parts, polyamide wax 6 parts, and heat up mixing, and cooling obtains mixture B;
Step 3, mixes mixture A, mixture B, drying, ball milling, obtains mixture C;
Step 4, mixes 2 parts of mixture C and graphite, titanium oxide 3 parts, iron powder 2 parts, nikel powder 5 parts, methyl-silicone oil 1.4 parts, Merlon 2 parts, boric acid monoethanolamine 4 parts, vacuum-sintering, to obtain final product.
Wherein, the temperature of the mixing that heats up in step 1 is 90 DEG C, and the time is 20min;The temperature mixed that heats up in step 2 is 60 DEG C, and the time is 20min;Drying temperature in step 3 is 120 DEG C;In step 4, sintering temperature is 1600 DEG C, and the time is 3h.
Embodiment 3
The preparation method of a kind of friction braking material, comprises the following steps:
Step 1, with parts by weight, takes fatty acid zinc 25 parts, and heating is to 160 DEG C, add blanc fixe 7 parts, stirring, after cooling, add polrvinyl chloride 6 parts, glycerol 2 parts, soybean lecithin 4 parts, ethylene bis stearamide 4 parts, heat up mixing, is cooled to room temperature, obtains mixture A;
Step 2, with parts by weight, takes 5 parts of polyamide modified phenolic resin, ammonium polymethacrylate 4 parts, epoxy resin 2 parts, wollastonite 4 parts, six too sour potassium whiskers 3 parts, polyamide wax 6 parts, and heat up mixing, and cooling obtains mixture B;
Step 3, mixes mixture A, mixture B, drying, ball milling, obtains mixture C;
Step 4, mixes 4 parts of mixture C and graphite, titanium oxide 3 parts, iron powder 2 parts, nikel powder 5 parts, methyl-silicone oil 1.3 parts, Merlon 4 parts, boric acid monoethanolamine 3 parts, vacuum-sintering, to obtain final product.
Wherein, the temperature of the mixing that heats up in step 1 is 110 DEG C, and the time is 230min;The temperature mixed that heats up in step 2 is 70 DEG C, and the time is 20min;Drying temperature in step 3 is 120 DEG C;In step 4, sintering temperature is 1600 DEG C, and the time is 2h.
Embodiment 4
The preparation method of a kind of friction braking material, comprises the following steps:
Step 1, with parts by weight, takes fatty acid zinc 30 parts, and heating is to 150 DEG C, add blanc fixe 8 parts, stirring, after cooling, add polrvinyl chloride 7 parts, glycerol 5 parts, soybean lecithin 5 parts, ethylene bis stearamide 6 parts, heat up mixing, is cooled to room temperature, obtains mixture A;
Step 2, with parts by weight, takes 6 parts of polyamide modified phenolic resin, ammonium polymethacrylate 5 parts, epoxy resin 6 parts, wollastonite 5 parts, six too sour potassium whiskers 4 parts, polyamide wax 7 parts, and heat up mixing, and cooling obtains mixture B;
Step 3, mixes mixture A, mixture B, drying, ball milling, obtains mixture C;
Step 4, mixes 5 parts of mixture C and graphite, titanium oxide 6 parts, iron powder 4 parts, nikel powder 6 parts, methyl-silicone oil 2.5 parts, Merlon 5 parts, boric acid monoethanolamine 5 parts, vacuum-sintering, to obtain final product.
Wherein, the temperature of the mixing that heats up in step 1 is 80 DEG C, and the time is 30min;The temperature mixed that heats up in step 2 is 50 DEG C, and the time is 30min;Drying temperature in step 3 is 110 DEG C;In step 4, sintering temperature is 1400 DEG C, and the time is 4h.
Embodiment 5
The present embodiment and embodiment 3 are distinctive in that: also need in step 3 add citric acid 4~10 parts.
The preparation method of a kind of friction braking material, comprises the following steps:
Step 1, with parts by weight, takes fatty acid zinc 25 parts, and heating is to 160 DEG C, add blanc fixe 7 parts, stirring, after cooling, add polrvinyl chloride 6 parts, glycerol 2 parts, soybean lecithin 4 parts, ethylene bis stearamide 4 parts, heat up mixing, is cooled to room temperature, obtains mixture A;
Step 2, with parts by weight, takes 5 parts of polyamide modified phenolic resin, ammonium polymethacrylate 4 parts, epoxy resin 2 parts, wollastonite 4 parts, six too sour potassium whiskers 3 parts, polyamide wax 6 parts, and heat up mixing, and cooling obtains mixture B;
Step 3, mixes mixture A, mixture B, citric acid 7 parts, drying, ball milling, obtains mixture C;
Step 4, mixes 4 parts of mixture C and graphite, titanium oxide 3 parts, iron powder 2 parts, nikel powder 5 parts, methyl-silicone oil 1.3 parts, Merlon 4 parts, boric acid monoethanolamine 3 parts, vacuum-sintering, to obtain final product.
Wherein, the temperature of the mixing that heats up in step 1 is 110 DEG C, and the time is 230min;The temperature mixed that heats up in step 2 is 70 DEG C, and the time is 20min;Drying temperature in step 3 is 120 DEG C;In step 4, sintering temperature is 1600 DEG C, and the time is 2h.
Adopting the braking quality of the friction braking material of the MM-1000 frictional testing machine test present invention, test condition is: inertia 3.8kgf cm s2, than pressure 100N/cm2, linear velocity 25m/s.Result is as follows:
As can be seen from the table, friction braking material provided by the invention has good frictional damping performance, adds organic acid, it is possible to make the line wear rate of material decline in embodiment 5.
Claims (6)
1. the preparation method of a friction braking material, it is characterised in that: comprise the following steps:
Step 1, with parts by weight, taking fatty acid zinc 20~30 parts, heating, to 150~170 DEG C, adds blanc fixe 3~8 parts, stirring, adding polrvinyl chloride 2~7 parts, glycerol 1~5 part, soybean lecithin 2~5 parts, ethylene bis stearamide 1~6 part after cooling, heat up mixing, it is cooled to room temperature, obtains mixture A;
Step 2, with parts by weight, takes 2~6 parts of polyamide modified phenolic resin, ammonium polymethacrylate 3~5 parts, epoxy resin 1~6 part, wollastonite 2~5 parts, six too sour potassium whiskers 1~4 part, polyamide wax 3~7 parts, and heat up mixing, and cooling obtains mixture B;
Step 3, mixes mixture A, mixture B, drying, ball milling, obtains mixture C;
Step 4, mixes 1~5 part of mixture C and graphite, titanium oxide 2~6 parts, iron powder 1~4 part, nikel powder 2~6 parts, methyl-silicone oil 0.8~2.5 part, Merlon 1~5 part, boric acid monoethanolamine 2~5 parts, vacuum-sintering, to obtain final product.
2. the preparation method of friction braking material according to claim 1, it is characterised in that: the temperature of the mixing that heats up in step 1 is 80~110 DEG C, and the time is 20~30min.
3. the preparation method of friction braking material according to claim 1, it is characterised in that: the temperature of the mixing that heats up in step 2 is 50~70 DEG C, and the time is 20~30min.
4. the preparation method of friction braking material according to claim 1, it is characterised in that: drying temperature in step 3 is 110~120 DEG C.
5. the preparation method of friction braking material according to claim 1, it is characterised in that: in step 4, sintering temperature is 1400~1600 DEG C, and the time is 2~4h.
6. the preparation method of friction braking material according to claim 1, it is characterised in that: step 3 also needs to add citric acid 4~10 parts.
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CN201610132634.1A CN105778378A (en) | 2016-03-09 | 2016-03-09 | Preparation method of friction brake material |
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CN201610132634.1A CN105778378A (en) | 2016-03-09 | 2016-03-09 | Preparation method of friction brake material |
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Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN106084668A (en) * | 2016-08-15 | 2016-11-09 | 合肥万向钱潮汽车零部件有限公司 | The material compositing formula of the frame processed of automotive brake |
CN108641517A (en) * | 2018-05-29 | 2018-10-12 | 芜湖市元奎新材料科技有限公司 | Insulating moulding coating for building and preparation method thereof |
Citations (6)
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DE1569524A1 (en) * | 1964-10-22 | 1970-04-30 | Ver Deutsche Metallwerke Ag | Friction discs and process for their manufacture |
JPH06116400A (en) * | 1992-10-08 | 1994-04-26 | Mitsubishi Materials Corp | Production of light friction material |
CN101870438A (en) * | 2010-06-21 | 2010-10-27 | 临安华龙摩擦材料有限公司 | Friction brake disk of double-speed electric-block and preparation method thereof |
CN101880435A (en) * | 2010-06-21 | 2010-11-10 | 临安华龙摩擦材料有限公司 | Friction braking plate for pneumatic clutch and preparation method thereof |
CN103693984A (en) * | 2011-12-29 | 2014-04-02 | 中国科学院过程工程研究所 | Carbon fiber enhanced multiphase ceramic-based friction baking material and preparation method thereof |
CN104045937A (en) * | 2012-11-29 | 2014-09-17 | 江苏亨通线缆科技有限公司 | Preparation process of friction-resistant data cable material |
-
2016
- 2016-03-09 CN CN201610132634.1A patent/CN105778378A/en active Pending
Patent Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE1569524A1 (en) * | 1964-10-22 | 1970-04-30 | Ver Deutsche Metallwerke Ag | Friction discs and process for their manufacture |
JPH06116400A (en) * | 1992-10-08 | 1994-04-26 | Mitsubishi Materials Corp | Production of light friction material |
CN101870438A (en) * | 2010-06-21 | 2010-10-27 | 临安华龙摩擦材料有限公司 | Friction brake disk of double-speed electric-block and preparation method thereof |
CN101880435A (en) * | 2010-06-21 | 2010-11-10 | 临安华龙摩擦材料有限公司 | Friction braking plate for pneumatic clutch and preparation method thereof |
CN103693984A (en) * | 2011-12-29 | 2014-04-02 | 中国科学院过程工程研究所 | Carbon fiber enhanced multiphase ceramic-based friction baking material and preparation method thereof |
CN104045937A (en) * | 2012-11-29 | 2014-09-17 | 江苏亨通线缆科技有限公司 | Preparation process of friction-resistant data cable material |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN106084668A (en) * | 2016-08-15 | 2016-11-09 | 合肥万向钱潮汽车零部件有限公司 | The material compositing formula of the frame processed of automotive brake |
CN108641517A (en) * | 2018-05-29 | 2018-10-12 | 芜湖市元奎新材料科技有限公司 | Insulating moulding coating for building and preparation method thereof |
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Application publication date: 20160720 |