CN107057275A - A kind of preparation method of car clutch face sheet nano barium titanate aluminium/composite modified water soluble phenol resin of phosphorus boron molybdenum silicon - Google Patents
A kind of preparation method of car clutch face sheet nano barium titanate aluminium/composite modified water soluble phenol resin of phosphorus boron molybdenum silicon Download PDFInfo
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- CN107057275A CN107057275A CN201710265474.2A CN201710265474A CN107057275A CN 107057275 A CN107057275 A CN 107057275A CN 201710265474 A CN201710265474 A CN 201710265474A CN 107057275 A CN107057275 A CN 107057275A
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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
- C08K13/00—Use of mixtures of ingredients not covered by one single of the preceding main groups, each of these compounds being essential
- C08K13/02—Organic and inorganic ingredients
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G8/00—Condensation polymers of aldehydes or ketones with phenols only
- C08G8/04—Condensation polymers of aldehydes or ketones with phenols only of aldehydes
- C08G8/08—Condensation polymers of aldehydes or ketones with phenols only of aldehydes of formaldehyde, e.g. of formaldehyde formed in situ
- C08G8/10—Condensation polymers of aldehydes or ketones with phenols only of aldehydes of formaldehyde, e.g. of formaldehyde formed in situ with phenol
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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
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/18—Oxygen-containing compounds, e.g. metal carbonyls
- C08K3/24—Acids; 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
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/32—Phosphorus-containing compounds
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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
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/38—Boron-containing compounds
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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
- C08K5/00—Use of organic ingredients
- C08K5/54—Silicon-containing compounds
- C08K5/544—Silicon-containing compounds containing nitrogen
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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
- C08K9/00—Use of pretreated ingredients
- C08K9/04—Ingredients treated with organic substances
- C08K9/06—Ingredients treated with organic substances with silicon-containing compounds
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- 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
- F16D13/00—Friction clutches
- F16D13/58—Details
- F16D13/60—Clutching elements
- F16D13/64—Clutch-plates; Clutch-lamellae
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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
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/32—Phosphorus-containing compounds
- C08K2003/329—Phosphorus containing acids
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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
- C08K2201/011—Nanostructured additives
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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
- C08L2201/00—Properties
- C08L2201/08—Stabilised against heat, light or radiation or oxydation
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Abstract
The invention discloses a kind of preparation method of car clutch face sheet with nano barium titanate aluminium/composite modified water soluble phenol resin of phosphorus boron molybdenum silicon.The present invention is by nano barium titanate aluminium N（β aminoethyls）γ aminopropyl triethoxysilanes carry out surface modification, dispersiveness and compatibility of the nano barium titanate aluminium in Polymer Systems can be improved, then using scattered polymerisation in bulk water soluble phenol resin in place, the water soluble phenol resin that nano barium titanate aluminium is modified is made, the heat-resisting quantity and wear resistance of water soluble phenol resin can be significantly improved, element in phosphorus, boron, molybdenum, silicon four is introduced into the water soluble phenol resin molecular structure that nano barium titanate aluminium is modified again, the heat resistance, hardness and mechanical strength of water soluble phenol resin can be significantly improved.
Description
Technical field
The present invention relates to a kind of preparation method of water soluble phenol resin, and in particular to a kind of car clutch face sheet is with receiving
The preparation method of rice aluminium titanates/composite modified water soluble phenol resin of phosphorus boron molybdenum silicon.
Background technology
Car clutch face sheet is the component materials that vehicle performs transmission agency by rubbing action, is the one of friction material
Kind, it is very important breaking piece in automobile, the realization for the feature, security and comfortableness of automobile has
Material impact.Conventional car clutch face sheet mainly has the raw materials such as binding agent, reinforcing fiber and filler grain to be made.Its
In, binding agent is the key component of clutch surface, and traditional clutch surface typically selects alcohol-soluble phenolic resin and rubber
As binding agent, substantial amounts of organic solvent can be used in preparation process, the volatilization of organic solvent pollutes the environment, production is pacified
Constitute a threat to entirely, and rubber and organic solvent cost are very high, and use water soluble phenol resin replace alcohol-soluble phenolic resin and
Rubber can then be prevented effectively from problems as binding agent.
Jiang Juan, Yu Zhanjiang et al. are at it《Water soluble phenol resin is modified preparation and the performance study of clutch friction material》
Elaborate that the clutch surface prepared as binding agent using water-soluble binder is heat-resist, coefficient of friction size is fitted in one text
In, heat endurance is good, and wear rate is low, and hardness, porosity are moderate.But with automobile towards at a high speed, it is heavily loaded, comfortable safe
Development, to the performance requirement of clutch surface used in automobile also more and more higher, this requires binding agent needs stronger resistance to
Grind performance, more preferable resistance to elevated temperatures.And the obtained clutch surface heat-resistant limit temperature of pure water soluble phenolic resin is about 250
DEG C, when more than 300 DEG C, thermal decomposition phenomenon is quite serious, causes frictional behaviour to be remarkably decreased, influence the wearability of clutch surface
Energy.
Therefore, it is of the invention by nano barium titanate aluminium N-（β-aminoethyl）- gamma-aminopropyl-triethoxy-silane carries out surface and changed
Property, dispersiveness and compatibility of the nano barium titanate aluminium in Polymer Systems can be improved, then using scattered polymerisation in bulk in place
Water soluble phenol resin, is made the water soluble phenol resin that nano barium titanate aluminium is modified, can significantly improve water soluble phenol resin
Heat-resisting quantity and wear resistance, then nano barium titanate aluminium be modified water soluble phenol resin molecular structure in introduce phosphorus, boron,
Element in molybdenum, silicon four, can significantly improve the heat resistance, hardness and mechanical strength of water soluble phenol resin.
The content of the invention
It is an object of the invention to provide a kind of heat-resisting quantity and the car clutch face sheet nano-titanium of excellent in abrasion resistance
The preparation method of sour aluminium/composite modified water soluble phenol resin of phosphorus boron molybdenum silicon.
To achieve the above object, the present invention is adopted the following technical scheme that：
A kind of preparation method of car clutch face sheet nano barium titanate aluminium/composite modified water soluble phenol resin of phosphorus boron molybdenum silicon,
Comprise the following steps：
（1）According to mol ratio 1-2:1:0.008-0.012 weighs formaldehyde, phenol and barium hydroxide, stand-by；
（2）Formaldehyde is added water the formalin for stirring and being made that mass fraction is 30-40%, stand-by；
（3）According to mass ratio 1:3-5 is by N-（β-aminoethyl）It is 95% that-gamma-aminopropyl-triethoxy-silane, which is added to volume fraction,
Ethanol water in, stir, it is stand-by；
（4）Nano barium titanate aluminium is added water the suspension for stirring and being made that mass fraction is 40-50%, then adds step（3）It is obtained
Solution, is stirred, the ultrasonic disperse 20-30min under conditions of power is 300-500W, is filtered by vacuum, is dried, grind
Mill, sieving, produces modified Nano aluminium titanates；
（5）Phenol load weighted in advance, barium hydroxide, modified Nano aluminium titanates are mixed, is stirred continuously and is warming up to 40-45
DEG C and keep 20-30min, then add total amount 70-80% formalin, continue to stir and be to slowly warm up to 45-50 DEG C,
Constant temperature stirs 20-30min, is then warming up to 85-90 DEG C with 0.5-1 DEG C/min speed, constant temperature stirring 30-40min, then with
0.1-0.2 DEG C/min speed is warming up to 90-95 DEG C, and constant temperature stirs 20-30min, then is cooled with 0.3-0.6 DEG C/min speed
To 80-85 DEG C, remaining formalin, constant temperature stirring 10-15min are added, then be to slowly warm up to 90-95 DEG C, constant temperature stirring
0.5-1h, then adds phosphoric acid, boric acid and ammonium molybdate, is continuously heating to 90-100 DEG C, constant temperature stirs 2-3h, then add hydrolysis afterwards
Urea propyl trimethoxy silicane afterwards, is to slowly warm up to 85-95 DEG C, constant temperature stirring 1-2h produces nano barium titanate aluminium/phosphorus boron molybdenum silicon
Composite modified water soluble phenol resin.
The addition of the nano barium titanate aluminium is the 6-8% of phenol quality.
The N-（β-aminoethyl）The addition of-gamma-aminopropyl-triethoxy-silane is the 1-2% of nano barium titanate aluminum amount.
The addition of the phosphoric acid is the 0.5-1% of phenol quality；The addition of the boric acid is the 2-3% of phenol quality；
The addition of the ammonium molybdate is the 1-2% of phenol quality.
The addition of the urea propyl trimethoxy silicane is the 1-3% of phenol quality.
Beneficial effects of the present invention：
The present invention is by nano barium titanate aluminium N-（β-aminoethyl）- gamma-aminopropyl-triethoxy-silane carries out surface modification, Ke Yiti
Dispersiveness and compatibility of the high nano barium titanate aluminium in Polymer Systems, then using scattered polymerisation in bulk water soluble phenolic in place
Resin, is made the water soluble phenol resin that nano barium titanate aluminium is modified, can significantly improve the heat-resisting quantity of water soluble phenol resin
And wear resistance, then it is introduced into first in phosphorus, boron, molybdenum, silicon four in the water soluble phenol resin molecular structure that nano barium titanate aluminium is modified
Element, can significantly improve the heat resistance, hardness and mechanical strength of water soluble phenol resin.
Embodiment
Embodiment 1
A kind of preparation method of car clutch face sheet nano barium titanate aluminium/composite modified water soluble phenol resin of phosphorus boron molybdenum silicon,
Comprise the following steps：
（1）According to mol ratio 1:1:0.008 weighs formaldehyde, phenol and barium hydroxide, stand-by；
（2）Formaldehyde is added water the formalin for stirring and being made that mass fraction is 30%, stand-by；
（3）According to mass ratio 1:3 by N-（β-aminoethyl）It is 95% that-gamma-aminopropyl-triethoxy-silane, which is added to volume fraction,
In ethanol water, stir, it is stand-by；
（4）Nano barium titanate aluminium is added water the suspension for stirring and being made that mass fraction is 40%, then adds step（3）It is obtained molten
Liquid, is stirred, the ultrasonic disperse 30min under conditions of power is 300W, is filtered by vacuum, is dried, grinds, sieving, i.e.,
Obtain modified Nano aluminium titanates；
（5）Load weighted phenol, barium hydroxide, modified Nano aluminium titanates in advance are mixed, is stirred continuously and is warming up to 40 DEG C
And 30min is kept, the formalin of total amount 70% is then added, continues to stir and be to slowly warm up to 45 DEG C, constant temperature stirring
30min, is then warming up to 85 DEG C, constant temperature stirs 40min, then is warming up to 0.1 DEG C/min speed with 0.5 DEG C/min speed
90 DEG C, constant temperature stirring 30min, then 80 DEG C are cooled to 0.3 DEG C/min speed, add remaining formalin, constant temperature stirring
15min, then be to slowly warm up to 90 DEG C, then constant temperature stirring 1h adds phosphoric acid, boric acid and ammonium molybdate, is continuously heating to 90 DEG C, permanent
Temperature stirring 3h, then the urea propyl trimethoxy silicane added afterwards after hydrolysis, are to slowly warm up to 85 DEG C, constant temperature stirring 2h is produced and received
Rice aluminium titanates/composite modified water soluble phenol resin of phosphorus boron molybdenum silicon.
The addition of the nano barium titanate aluminium is the 6% of phenol quality.
The N-（β-aminoethyl）The addition of-gamma-aminopropyl-triethoxy-silane is the 1% of nano barium titanate aluminum amount.
The addition of the phosphoric acid is the 0.5% of phenol quality；The addition of the boric acid is the 2% of phenol quality；It is described
The addition of ammonium molybdate is the 1% of phenol quality.
The addition of the urea propyl trimethoxy silicane is the 1% of phenol quality.
Embodiment 2
A kind of preparation method of car clutch face sheet nano barium titanate aluminium/composite modified water soluble phenol resin of phosphorus boron molybdenum silicon,
Comprise the following steps：
（1）According to mol ratio 1.5:1:0.01 weighs formaldehyde, phenol and barium hydroxide, stand-by；
（2）Formaldehyde is added water the formalin for stirring and being made that mass fraction is 35%, stand-by；
（3）According to mass ratio 1:4 by N-（β-aminoethyl）It is 95% that-gamma-aminopropyl-triethoxy-silane, which is added to volume fraction,
In ethanol water, stir, it is stand-by；
（4）Nano barium titanate aluminium is added water the suspension for stirring and being made that mass fraction is 45%, then adds step（3）It is obtained molten
Liquid, is stirred, the ultrasonic disperse 25min under conditions of power is 400W, is filtered by vacuum, is dried, grinds, sieving, i.e.,
Obtain modified Nano aluminium titanates；
（5）Load weighted phenol, barium hydroxide, modified Nano aluminium titanates in advance are mixed, is stirred continuously and is warming up to 42 DEG C
And 25min is kept, the formalin of total amount 75% is then added, continues to stir and be to slowly warm up to 48 DEG C, constant temperature stirring
25min, is then warming up to 88 DEG C, constant temperature stirs 35min, then is heated up with 0.15 DEG C/min speed with 0.7 DEG C/min speed
To 92 DEG C, constant temperature stirs 25min, then is cooled to 83 DEG C with 0.4 DEG C/min speed, adds remaining formalin, and constant temperature is stirred
Mix 12min, then be to slowly warm up to 92 DEG C, then constant temperature stirring 45min adds phosphoric acid, boric acid and ammonium molybdate, be continuously heating to 95
DEG C, constant temperature stirring 2.5h, then the urea propyl trimethoxy silicane added afterwards after hydrolysis, it is to slowly warm up to 90 DEG C, constant temperature stirring
1.5h, produces nano barium titanate aluminium/composite modified water soluble phenol resin of phosphorus boron molybdenum silicon.
The addition of the nano barium titanate aluminium is the 7% of phenol quality.
The N-（β-aminoethyl）The addition of-gamma-aminopropyl-triethoxy-silane is the 1.5% of nano barium titanate aluminum amount.
The addition of the phosphoric acid is the 0.8% of phenol quality；The addition of the boric acid is the 2.5% of phenol quality；Institute
The addition for stating ammonium molybdate is the 1.5% of phenol quality.
The addition of the urea propyl trimethoxy silicane is the 2% of phenol quality.
Embodiment 3
A kind of preparation method of car clutch face sheet nano barium titanate aluminium/composite modified water soluble phenol resin of phosphorus boron molybdenum silicon,
Comprise the following steps：
（1）According to mol ratio 2:1:0.012 weighs formaldehyde, phenol and barium hydroxide, stand-by；
（2）Formaldehyde is added water the formalin for stirring and being made that mass fraction is 40%, stand-by；
（3）According to mass ratio 1:5 by N-（β-aminoethyl）It is 95% that-gamma-aminopropyl-triethoxy-silane, which is added to volume fraction,
In ethanol water, stir, it is stand-by；
（4）Nano barium titanate aluminium is added water the suspension for stirring and being made that mass fraction is 50%, then adds step（3）It is obtained molten
Liquid, is stirred, the ultrasonic disperse 20min under conditions of power is 500W, is filtered by vacuum, is dried, grinds, sieving, i.e.,
Obtain modified Nano aluminium titanates；
（5）Load weighted phenol, barium hydroxide, modified Nano aluminium titanates in advance are mixed, is stirred continuously and is warming up to 45 DEG C
And 20min is kept, the formalin of total amount 80% is then added, continues to stir and be to slowly warm up to 50 DEG C, constant temperature stirring
20min, is then warming up to 90 DEG C, then be warming up to 95 DEG C, constant temperature stirring with 0.2 DEG C/min speed with 1 DEG C/min speed
20min, then 85 DEG C are cooled to 0.6 DEG C/min speed, add remaining formalin, constant temperature stirring 10min, then slow liter
Temperature is to 95 DEG C, and then constant temperature stirring 0.5h adds phosphoric acid, boric acid and ammonium molybdate, is continuously heating to 100 DEG C, constant temperature stirs 2h, then
The urea propyl trimethoxy silicane added afterwards after hydrolysis, is to slowly warm up to 95 DEG C, constant temperature stirring 1h produces nano barium titanate aluminium/phosphorus
The composite modified water soluble phenol resin of boron molybdenum silicon.
The addition of the nano barium titanate aluminium is the 8% of phenol quality.
The N-（β-aminoethyl）The addition of-gamma-aminopropyl-triethoxy-silane is the 2% of nano barium titanate aluminum amount.
The addition of the phosphoric acid is the 1% of phenol quality；The addition of the boric acid is the 3% of phenol quality；The molybdenum
The addition of sour ammonium is the 2% of phenol quality.
The addition of the urea propyl trimethoxy silicane is the 3% of phenol quality.
Claims (5)
1. a kind of car clutch face sheet preparation side of nano barium titanate aluminium/composite modified water soluble phenol resin of phosphorus boron molybdenum silicon
Method, it is characterised in that comprise the following steps：
（1）According to mol ratio 1-2:1:0.008-0.012 weighs formaldehyde, phenol and barium hydroxide, stand-by；
（2）Formaldehyde is added water the formalin for stirring and being made that mass fraction is 30-40%, stand-by；
（3）According to mass ratio 1:3-5 is by N-（β-aminoethyl）It is 95% that-gamma-aminopropyl-triethoxy-silane, which is added to volume fraction,
Ethanol water in, stir, it is stand-by；
（4）Nano barium titanate aluminium is added water the suspension for stirring and being made that mass fraction is 40-50%, then adds step（3）It is obtained
Solution, is stirred, the ultrasonic disperse 20-30min under conditions of power is 300-500W, is filtered by vacuum, is dried, grind
Mill, sieving, produces modified Nano aluminium titanates；
（5）Phenol load weighted in advance, barium hydroxide, modified Nano aluminium titanates are mixed, is stirred continuously and is warming up to 40-
45 DEG C and 20-30min is kept, then add total amount 70-80% formalin, continued to stir and is simultaneously to slowly warm up to 45-50
DEG C, then constant temperature stirring 20-30min is warming up to 85-90 DEG C, constant temperature stirs 30-40min with 0.5-1 DEG C/min speed, then
90-95 DEG C is warming up to 0.1-0.2 DEG C/min speed, constant temperature stirs 20-30min, then is dropped with 0.3-0.6 DEG C/min speed
Temperature adds remaining formalin, constant temperature stirring 10-15min, then be to slowly warm up to 90-95 DEG C, constant temperature stirring to 80-85 DEG C
0.5-1h, then adds phosphoric acid, boric acid and ammonium molybdate, is continuously heating to 90-100 DEG C, constant temperature stirs 2-3h, then add hydrolysis afterwards
Urea propyl trimethoxy silicane afterwards, is to slowly warm up to 85-95 DEG C, constant temperature stirring 1-2h produces nano barium titanate aluminium/phosphorus boron molybdenum silicon
Composite modified water soluble phenol resin.
2. a kind of car clutch face sheet according to claim 1 is composite modified water-soluble with nano barium titanate aluminium/phosphorus boron molybdenum silicon
Property phenolic resin preparation method, it is characterised in that the addition of the nano barium titanate aluminium be phenol quality 6-8%.
3. a kind of car clutch face sheet according to claim 1 is composite modified water-soluble with nano barium titanate aluminium/phosphorus boron molybdenum silicon
The preparation method of property phenolic resin, it is characterised in that the N-（β-aminoethyl）The addition of-gamma-aminopropyl-triethoxy-silane
Measure as the 1-2% of nano barium titanate aluminum amount.
4. a kind of car clutch face sheet according to claim 1 is composite modified water-soluble with nano barium titanate aluminium/phosphorus boron molybdenum silicon
Property phenolic resin, it is characterised in that the addition of the phosphoric acid be phenol quality 0.5-1%；The addition of the boric acid is benzene
The 2-3% of phenol quality；The addition of the ammonium molybdate is the 1-2% of phenol quality.
5. a kind of car clutch face sheet according to claim 1 is composite modified water-soluble with nano barium titanate aluminium/phosphorus boron molybdenum silicon
Property phenolic resin preparation method, it is characterised in that the addition of the urea propyl trimethoxy silicane be phenol quality 1-
3%。
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710265474.2A CN107057275A (en) | 2017-04-21 | 2017-04-21 | A kind of preparation method of car clutch face sheet nano barium titanate aluminium/composite modified water soluble phenol resin of phosphorus boron molybdenum silicon |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710265474.2A CN107057275A (en) | 2017-04-21 | 2017-04-21 | A kind of preparation method of car clutch face sheet nano barium titanate aluminium/composite modified water soluble phenol resin of phosphorus boron molybdenum silicon |
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| CN107057275A true CN107057275A (en) | 2017-08-18 |
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| CN201710265474.2A Pending CN107057275A (en) | 2017-04-21 | 2017-04-21 | A kind of preparation method of car clutch face sheet nano barium titanate aluminium/composite modified water soluble phenol resin of phosphorus boron molybdenum silicon |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107282871A (en) * | 2017-08-21 | 2017-10-24 | 马鞍山市三川机械制造有限公司 | A kind of Automobile flywheel shell cast paint |
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|---|---|---|---|---|
| CN102993635A (en) * | 2012-12-03 | 2013-03-27 | 浙江科马摩擦材料股份有限公司 | Method for preparing clutch facing through taking water soluble phenol-formaldehyde resin as adhesion agent |
| CN105038214A (en) * | 2015-08-03 | 2015-11-11 | 来安县隆华摩擦材料有限公司 | Silanization automobile clutch friction material and preparation method thereof |
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2017
- 2017-04-21 CN CN201710265474.2A patent/CN107057275A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102993635A (en) * | 2012-12-03 | 2013-03-27 | 浙江科马摩擦材料股份有限公司 | Method for preparing clutch facing through taking water soluble phenol-formaldehyde resin as adhesion agent |
| CN105038214A (en) * | 2015-08-03 | 2015-11-11 | 来安县隆华摩擦材料有限公司 | Silanization automobile clutch friction material and preparation method thereof |
Non-Patent Citations (1)
| Title |
|---|
| 李燕琳等: "钼磷硼改性酚醛树脂性能的研究", 《硅酸盐通报》 * |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107282871A (en) * | 2017-08-21 | 2017-10-24 | 马鞍山市三川机械制造有限公司 | A kind of Automobile flywheel shell cast paint |
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