CN101186795A - Brake block bottom glue and preparation method thereof - Google Patents
Brake block bottom glue and preparation method thereof Download PDFInfo
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- CN101186795A CN101186795A CNA2007101446255A CN200710144625A CN101186795A CN 101186795 A CN101186795 A CN 101186795A CN A2007101446255 A CNA2007101446255 A CN A2007101446255A CN 200710144625 A CN200710144625 A CN 200710144625A CN 101186795 A CN101186795 A CN 101186795A
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- brake block
- block bottom
- bottom glue
- phenolic aldehyde
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Abstract
Disclosed are base glue of a brake block and a process for preparation, relating to the base glue and the process for preparation. The invention resolves the problems that poor heat stability at high temperature, short reserve time and poor use technology performance exist in the present base glue of the brake block. The base glue of the brake block of the invention is prepared by proceeding the polymerization reaction and dewatering of phenol and formaldehyde, the adding of organic solvent and the adding and stirring of acrylonitrile butadiene and improved monomer thermoplastic phenolic resin. The base glue of the brake block is prepared according to the following process of firstly polymerization reaction, secondly cooling and dewatering, thirdly adding acrylonitrile butadiene and improved monomer thermoplastic phenolic resin to be stirred to obtain the base glue of the brake block. The base glue of the brake block of the invention has the advantages of sound heat stability at high temperature, long reserve time and perfect use technology performance.
Description
Technical field
The present invention relates to a kind of primer and preparation method thereof.
Background technology
Brake block bottom glue is a kind of novel adhesive primer product that is applied to automobile industry, is mainly used in automotive drum type braking sheet, train composite brake shoe, tractor clutch sheet, the dipping that turns to various wearing pieces such as abrasive disc, motorcycle drum-type brake pad and the dipping of all kinds of mechanical means stoppers.This product has excellent high high-temp stability, anti-various chemical mediator performances and good use processing performance; Adopt this glue both can make the anticorrosion glazing of shoes, guarantee bonding firm again, have the steel wetting property is good, bonding force is strong, heat-resisting excellent properties such as good, be specially adapted to the dipping of the bonding of brake facing and production line shoes, the shoes surface-brightening behind the dipping, wear-resisting, corrosion-resistant.But the present brake block bottom glue storage at normal temperature phase is 4 months, stores 3 months higher summer at temperature, just has gelatin phenomenon to take place, and has a strong impact on the promotion and application in its market; There is the defective that high high-temp stability is poor, the processing performance difference is lacked and used to the shelf time.
Summary of the invention
The present invention exists in order to solve present brake block bottom glue that high high-temp stability is poor, the shelf time is short and uses the problem of processing performance difference, and a kind of preparation method of brake block bottom glue is provided.
Brake block bottom glue of the present invention is made by 1kg phenolic aldehyde polymer, 500g organic solvent, 300～500g paracril and 300～500g modified monomer novolac resin; Wherein said phenolic aldehyde polymer is made by 1mol phenol and 1.5～2.0mol oxymethylene polymerization in molar ratio, and the total mass of pressing phenol and formaldehyde in the polyreaction adds 2.0～8.0g polymerizing catalyst and 0.2～8.0g modified catalyst for every kilogram; Described organic solvent is one or more the combination in ethanol, acetone, ethyl acetate, butylacetate, ketone, the ethyl ketone.
Brake block bottom glue of the present invention is prepared as follows: one, be that 1: 1.5～2.0 ratio joins phenol and formaldehyde in the reactor in molar ratio, total mass according to phenol and formaldehyde adds the polymerizing catalyst of 2.0～8.0g and the modified catalyst of 0.2～8.0g for every kilogram again, and polyreaction is 2～7 hours under 50～120 ℃ condition; Two, the temperature with reaction solution is controlled at below 60 ℃, then the aqueous phase separation on upper strata is gone out, lower floor's organic phase at 30～110 ℃, vacuum tightness be dewater under the condition of 700～750mmHg to viscosity be 20～50S, obtain the phenolic aldehyde polymer; Three, the polymeric temperature of phenolic aldehyde is controlled at below 80 ℃, in every kilogram of phenolic aldehyde polymer, add the 500g organic solvent, in every kilogram of phenolic aldehyde polymer, add 300～500g paracril and 300～500g modified monomer novolac resin after stirring again, stir; Promptly obtain brake block bottom glue; Organic solvent in the step 3 is one or more the combination in ethanol, acetone, ethyl acetate, butylacetate, ketone, the ethyl ketone.
The model of the modified monomer novolac resin among the present invention in brake block bottom glue and preparation method thereof is RD-9014,2123
#Or 2402
#The model of paracril is butyronitrile-40 or butyronitrile-38.
Catalyzer among the present invention among the brake block bottom glue preparation method is BaO, CaO, MgO, ZnO, Ca (OH)
2, Mg (OH)
2, Ba (OH)
28H
2The combination of one or more among the O; Modified catalyst is CH
3Si (OR)
3, (CH
3)
2Si (OR)
2, ph-Si (OR)
3, (ph)
2-Si (OR)
2, one or more the combination in the tetramethyl-titanium oxide, trimethylammonium aluminum oxide, trimethylammonium molybdenum oxide, wherein R is that carbonatoms is 1～5 a alkyl.
The viscosity of step 2 adopts coating-4 viscosity meter to measure viscosity among the brake block bottom glue preparation method of the present invention.
The anti-various chemical mediator performances of brake block bottom glue of the present invention, shelf time are long, can store at normal temperatures 12 months or 30 ℃ of conditions under store 8 months glue performance no changes.Brake block bottom glue of the present invention is coated in No. 45 carbon steel test pieces that area is 20mm * 58mm, and bond area is about 300mm
2Hang for some time behind the test piece gluing, if the thin gluing repeatedly of glue-line 2～3 times, the dried thickness of glue-line is no more than 2mm, can put into 80 ℃ of baking oven preheatings 30 minutes, but also room temperature dry in the air to do not touch with one's hand the back test piece close up the pressure 10s that applies 1MPa, its shearing resistance of test is after placing 180 ℃ of left and right sides baking ovens to toast curing in 35～45 minutes then: 20 ℃ of time 〉=15.0MPa, 250 ℃ of time 〉=4.0MPa illustrate that brake block bottom glue of the present invention is to the steel wetting property is good, bonding force is strong, heat-resisting good excellent properties.
Embodiment
Embodiment one: the brake block bottom glue of present embodiment is made by 1kg phenolic aldehyde polymer, 500g organic solvent, 300～500g paracril and 300～500g modified monomer novolac resin; Wherein said phenolic aldehyde polymer is made by 1mol phenol and 1.5～2.0mol oxymethylene polymerization in molar ratio, and the total mass of pressing phenol and formaldehyde in the polyreaction adds 2.0～8.0g polymerizing catalyst and 0.2～8.0g modified catalyst for every kilogram; Described organic solvent is one or more the combination in ethanol, acetone, ethyl acetate, butylacetate, ketone, the ethyl ketone.
Pressing arbitrary proportion when organic solvent is formed for two or more material in the present embodiment mixes.
Polymerizing catalyst is BaO, CaO, MgO, ZnO, Ca (OH) in the present embodiment
2, Mg (OH)
2, Ba (OH)
28H
2The combination of one or more among the O; Pressing arbitrary proportion when polymerizing catalyst is formed for two or more material mixes.
Modified catalyst is CH in the present embodiment
3Si (OR)
3, (CH
3)
2Si (OR)
2, ph-Si (OR)
3, (ph)
2-Si (OR)
2, one or more the combination in the tetramethyl-titanium oxide, trimethylammonium aluminum oxide, trimethylammonium molybdenum oxide; Pressing arbitrary proportion when modified catalyst is formed for two or more material mixes.
Embodiment two: the difference of present embodiment and embodiment one is: described phenolic aldehyde polymer is made by 1mol phenol and 1.8mol oxymethylene polymerization in molar ratio.Other is identical with embodiment one.
Embodiment three: the difference of present embodiment and embodiment one is: the model of paracril is butyronitrile-40 or butyronitrile-38.Other is identical with embodiment one.
Embodiment four: the difference of present embodiment and embodiment one is: the model of modified monomer novolac resin is RD-9014,2123
#Or 2402
#Other is identical with embodiment one.
Embodiment five: the brake block bottom glue of present embodiment is prepared as follows: one, be that 1: 1.5～2.0 ratio joins phenol and formaldehyde in the reactor in molar ratio, total mass according to phenol and formaldehyde adds the polymerizing catalyst of 2.0～8.0g and the modified catalyst of 0.2～8.0g for every kilogram again, and polyreaction is 2～7 hours under 50～120 ℃ condition; Two, the temperature with reaction solution is controlled at below 60 ℃, then the aqueous phase separation on upper strata is gone out, lower floor's organic phase at 30～110 ℃, vacuum tightness be dewater under the condition of 700～750mmHg to viscosity be 20～50S, obtain the phenolic aldehyde polymer; Three, the polymeric temperature of phenolic aldehyde is controlled at below 80 ℃, in every kilogram of phenolic aldehyde polymer, add the 500g organic solvent, in every kilogram of phenolic aldehyde polymer, add 300～500g paracril and 300～500g modified monomer novolac resin after stirring again, stir; Promptly obtain brake block bottom glue; Organic solvent in the step 3 is one or more the combination in ethanol, acetone, ethyl acetate, butylacetate, ketone, the ethyl ketone.
Pressing arbitrary proportion when organic solvent is formed for two or more material in the present embodiment mixes.
Embodiment six: the difference of present embodiment and embodiment five is: the total mass according to phenol and formaldehyde in the step 1 adds the polymerizing catalyst of 3.0～6.0g and the modified catalyst of 1.5～4.8g for every kilogram, and polyreaction is 3～5 hours under 70～105 ℃ condition.Other step and parameter are identical with embodiment five.
Embodiment seven: the difference of present embodiment and embodiment five is: the total mass according to phenol and formaldehyde in the step 1 adds the polymerizing catalyst of 4.5g and the modified catalyst of 3.0g for every kilogram, and polyreaction is 4 hours under 90 ℃ condition.Other step and parameter are identical with embodiment five.
Embodiment eight: the difference of present embodiment and embodiment five is: in the step 2 lower floor's organic phase at 50～100 ℃, vacuum tightness be dewater under the condition of 710～740mmHg to viscosity be 30～40S.Other step and parameter are identical with embodiment five.
Embodiment nine: the difference of present embodiment and embodiment five is: in the step 2 lower floor's organic phase at 90 ℃, vacuum tightness be dewater under the condition of 725mmHg to viscosity be 35S.Other step and parameter are identical with embodiment five.
Embodiment ten: the difference of present embodiment and embodiment five is: in the step 3 the polymeric temperature of phenolic aldehyde is controlled at 60～70 ℃.Other step and parameter are identical with embodiment five.
Embodiment 11: the difference of present embodiment and embodiment five is: in the step 3 the polymeric temperature of phenolic aldehyde is controlled at 50 ℃.Other step and parameter are identical with embodiment five.
Embodiment 12: the difference of present embodiment and embodiment five is: add the paracril of 350～450g and the modified monomer novolac resin of 350～450g in the step 3 in every kilogram of phenolic aldehyde polymer.Other step and parameter are identical with embodiment five.
Embodiment 13: the difference of present embodiment and embodiment five is: add the paracril of 380～420g and the modified monomer novolac resin of 380～420g in the step 3 in every kilogram of phenolic aldehyde polymer.Other step and parameter are identical with embodiment five.
Embodiment 14: the difference of present embodiment and embodiment five is: add the paracril of 400g and the modified monomer novolac resin of 400g in the step 3 in every kilogram of phenolic aldehyde polymer.Other step and parameter are identical with embodiment five.
Embodiment 15: the difference of originally executing mode and embodiment five is: the polymerizing catalyst in the step 1 is BaO, CaO, MgO, ZnO, Ca (OH)
2, Mg (OH)
2, Ba (OH)
28H
2The combination of one or more among the O.Other step and parameter are identical with embodiment five.
Pressing arbitrary proportion when polymerizing catalyst is formed for two or more material in the present embodiment mixes.
Embodiment 16: the difference of originally executing mode and embodiment five is: the modified catalyst in the step 1 is CH
3Si (OR)
3, (CH
3)
2Si (OR)
2, ph-Si (OR)
3, (ph)
2-Si (OR)
2, one or more the combination in the tetramethyl-titanium oxide, trimethylammonium aluminum oxide, trimethylammonium molybdenum oxide.Other step and parameter are identical with embodiment five.
Pressing arbitrary proportion when modified catalyst is formed for two or more material in the present embodiment mixes.
R in the present embodiment is that carbonatoms is 1～5 a alkyl.
Embodiment 17: the difference of originally executing mode and embodiment five is: the model of the paracril in the step 3 is butyronitrile-40 or butyronitrile-38.Other step and parameter are identical with embodiment five.
Embodiment 18: the difference of originally executing mode and embodiment five is: the model of the modified monomer novolac resin in the step 3 is RD-9014,2123
#Or 2402
#Other step and parameter are identical with embodiment five.
Embodiment 19: the difference of originally executing mode and embodiment five is: the polymeric polymerization degree of the phenolic aldehyde in the step 2 is 180～300.
Embodiment 20: the difference of originally executing mode and embodiment five is: in the step 3 paracril and modified monomer novolac resin are dissolved in earlier in the organic solvent, join in the phenolic aldehyde polymer again.Other step and parameter are identical with embodiment five.
Embodiment 21: the brake block bottom glue of present embodiment is prepared as follows: one, be that 1: 1.8 ratio adds phenol and formaldehyde joins in the reactor in molar ratio, again according to every kilogram of Ba (OH) that adds 5.0g of total mass of phenol and formaldehyde
28H
2The tetramethyl-titanium oxide of O and 3.0g, polyreaction is 5 hours under 90 ℃ condition; Two, the temperature with reaction solution is controlled at 40 ℃, then the aqueous phase separation on upper strata is gone out, lower floor's organic phase at 80 ℃, vacuum tightness be dewater under the condition of 720mmHg to viscosity be 30S, obtain the phenolic aldehyde polymer; Three, the polymeric temperature of phenolic aldehyde is controlled at 60 ℃, the ethanol ethyl ester of adding 500g in every kilogram of phenolic aldehyde polymer, in every kilogram of phenolic aldehyde polymer, add the paracril of 400g and the modified monomer novolac resin of 400g after stirring again, stir; Promptly obtain brake block bottom glue.
The brake block bottom glue that present embodiment makes is coated in No. 45 carbon steel test pieces that area is 20mm * 58mm, and bond area is about 300mm
2Hang for some time behind the test piece gluing, if the thin gluing repeatedly of glue-line 2～3 times, the dried thickness of glue-line is no more than 2mm, can put into 80 ℃ of baking oven preheatings 30 minutes, also but room temperature is dried in the air and is closed up the pressure 10s that applies 1MPa to the back test piece of not touching with one's hand, and afterwards its performance index of test are as follows to place 180 ℃ of left and right sides baking ovens to toast curing in 35～45 minutes then:
1, shearing resistance is: 20 ℃ of time 〉=15.0MPa, 250 ℃ of time 〉=4.0MPa;
2, outward appearance: the main body component is the reddish-brown transparent liquid, does not have visible impurity; Curing agent component is a colourless transparent liquid;
3,23 ± 2 ℃ the time coating-4 viscosity meter to record main body component viscosity be 12.5～14.5S;
4, main body component solid content (non-volatile content) 〉=29.0%;
5, storage at normal temperature detect after 12 months 1,2,3 and 4 index qualified, can normally use.
Illustrate that brake block bottom glue that present embodiment makes is to the steel wetting property is good, bonding force is strong, heat-resisting good excellent properties.
Claims (9)
1. brake block bottom glue is characterized in that brake block bottom glue made by 1kg phenolic aldehyde polymer, 500g organic solvent, 300～500g paracril and 300～500g modified monomer novolac resin; Wherein said phenolic aldehyde polymer is made by 1mol phenol and 1.5～2.0mol oxymethylene polymerization in molar ratio, and the total mass of pressing phenol and formaldehyde in the polyreaction adds 2.0～8.0g polymerizing catalyst and 0.2～8.0g modified catalyst for every kilogram; Described organic solvent is one or more the combination in ethanol, acetone, ethyl acetate, butylacetate, ketone, the ethyl ketone.
2. a kind of brake block bottom glue according to claim 1 is characterized in that polymerizing catalyst is BaO, CaO, MgO, ZnO, Ca (OH)
2, Mg (OH)
2, Ba (OH)
28H
2The combination of one or more among the O.
3. a kind of brake block bottom glue according to claim 1 is characterized in that modified catalyst is CH
3Si (OR)
3, (CH
3)
2Si (OR)
2, ph-Si (OR)
3, (ph)
2-Si (OR)
2, one or more the combination in the tetramethyl-titanium oxide, trimethylammonium aluminum oxide, trimethylammonium molybdenum oxide.
4. the preparation method of a brake block bottom glue, it is characterized in that brake block bottom glue is prepared as follows: one, be that 1: 1.5～2.0 ratio joins phenol and formaldehyde in the reactor in molar ratio, total mass according to phenol and formaldehyde adds the polymerizing catalyst of 2.0～8.0g and the modified catalyst of 0.2～8.0g for every kilogram again, and polyreaction is 2～7 hours under 50～120 ℃ condition; Two, the temperature with reaction is controlled at below 60 ℃, then the aqueous phase separation on upper strata is gone out, lower floor's organic phase at 30～110 ℃, vacuum tightness be dewater under the condition of 700～750mmHg to viscosity be 20～50S, obtain the phenolic aldehyde polymer; Three, the polymeric temperature of phenolic aldehyde is controlled at below 80 ℃, in every kilogram of phenolic aldehyde polymer, add the 500g organic solvent, in every kilogram of phenolic aldehyde polymer, add 300～500g paracril and 300～500g modified monomer novolac resin after stirring again, stir; Promptly obtain brake block bottom glue; Organic solvent in the step 3 is one or more the combination in ethanol, acetone, ethyl acetate, butylacetate, ketone, the ethyl ketone.
5. the preparation method of a kind of brake block bottom glue according to claim 4, it is characterized in that the total mass according to phenol and formaldehyde adds the polymerizing catalyst of 3.0～6.0g and the modified catalyst of 1.5～4.8g for every kilogram in the step 1, polyreaction is 3～5 hours under 70～105 ℃ condition.
6. the preparation method of a kind of brake block bottom glue according to claim 4, it is characterized in that lower floor's organic phase in the step 2 at 50～100 ℃, vacuum tightness be dewater under the condition of 710～740mmHg to viscosity be 30～40S.
7. the preparation method of a kind of brake block bottom glue according to claim 4 is characterized in that in the step 3 the polymeric temperature of phenolic aldehyde being controlled at 60～70 ℃.
8. the preparation method of a kind of brake block bottom glue according to claim 4, the model that it is characterized in that the paracril in the step 3 is butyronitrile-40 or butyronitrile-38.
9. the preparation method of a kind of brake block bottom glue according to claim 4 is characterized in that adding in the step 3 paracril of 400g and the modified monomer novolac resin of 400g in every kilogram of phenolic aldehyde polymer.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2007101446255A CN101186795A (en) | 2007-11-19 | 2007-11-19 | Brake block bottom glue and preparation method thereof |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2007101446255A CN101186795A (en) | 2007-11-19 | 2007-11-19 | Brake block bottom glue and preparation method thereof |
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|---|---|
| CN101186795A true CN101186795A (en) | 2008-05-28 |
Family
ID=39479418
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| CNA2007101446255A Pending CN101186795A (en) | 2007-11-19 | 2007-11-19 | Brake block bottom glue and preparation method thereof |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101824295A (en) * | 2010-05-24 | 2010-09-08 | 湖南博云汽车制动材料有限公司 | Adhesive for automobile disc brake pad and preparation method thereof |
| CN101994772A (en) * | 2010-11-08 | 2011-03-30 | 东营信义汽车配件有限公司 | Technology for processing car brake disc vacuumized mixed material |
| CN101624503B (en) * | 2009-08-18 | 2011-06-08 | 哈尔滨六环胶粘剂有限公司 | Black matt impregnated glue preparation method |
| CN102516911A (en) * | 2011-12-14 | 2012-06-27 | 黄石金朝阳粉末材料有限责任公司 | Modified phenolic resin adhesive for friction material and preparation method for modified phenolic resin adhesive |
| CN102796477A (en) * | 2012-09-10 | 2012-11-28 | 王华南 | Short-time adhered adhesive and use method thereof |
| CN105969307A (en) * | 2016-06-03 | 2016-09-28 | 青岛基宏汽车部件有限公司 | Bonding layer of brake pad, brake pad with bonding layer and preparation process of brake pad |
| CN107151542A (en) * | 2017-07-12 | 2017-09-12 | 康利源科技（天津）股份有限公司 | The formula of electrical laminated wood alcohol-soluble phenolic resin |
-
2007
- 2007-11-19 CN CNA2007101446255A patent/CN101186795A/en active Pending
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101624503B (en) * | 2009-08-18 | 2011-06-08 | 哈尔滨六环胶粘剂有限公司 | Black matt impregnated glue preparation method |
| CN101824295A (en) * | 2010-05-24 | 2010-09-08 | 湖南博云汽车制动材料有限公司 | Adhesive for automobile disc brake pad and preparation method thereof |
| CN101994772A (en) * | 2010-11-08 | 2011-03-30 | 东营信义汽车配件有限公司 | Technology for processing car brake disc vacuumized mixed material |
| CN102516911A (en) * | 2011-12-14 | 2012-06-27 | 黄石金朝阳粉末材料有限责任公司 | Modified phenolic resin adhesive for friction material and preparation method for modified phenolic resin adhesive |
| CN102516911B (en) * | 2011-12-14 | 2013-12-11 | 黄石金朝阳粉末材料有限责任公司 | Modified phenolic resin adhesive for friction material and preparation method for modified phenolic resin adhesive |
| CN102796477A (en) * | 2012-09-10 | 2012-11-28 | 王华南 | Short-time adhered adhesive and use method thereof |
| CN105969307A (en) * | 2016-06-03 | 2016-09-28 | 青岛基宏汽车部件有限公司 | Bonding layer of brake pad, brake pad with bonding layer and preparation process of brake pad |
| CN107151542A (en) * | 2017-07-12 | 2017-09-12 | 康利源科技（天津）股份有限公司 | The formula of electrical laminated wood alcohol-soluble phenolic resin |
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Open date: 20080528 |