CN101544808B - Carbon graphite material soaking special resin and preparation method thereof - Google Patents
Carbon graphite material soaking special resin and preparation method thereof Download PDFInfo
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- CN101544808B CN101544808B CN2009100264846A CN200910026484A CN101544808B CN 101544808 B CN101544808 B CN 101544808B CN 2009100264846 A CN2009100264846 A CN 2009100264846A CN 200910026484 A CN200910026484 A CN 200910026484A CN 101544808 B CN101544808 B CN 101544808B
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Abstract
The invention relates to a carbon graphite material soaking special resin and a preparation method thereof for filling remnant air holes of the roasted carbon graphite material, belonging to the technical field of modified composite resin. The method comprises the following steps: adding bimaleimide into the same dose of dimethylbenzene; dissolving and stirring at a room temperature to prepare a mixed solution; adding phenolic resin in the mixed solution, mixing and stirring; and adding furan resin to continue stirring and adding to a curing tank to be cured into a soaking special resin. The carbon graphite material soaking special resin enhances the alkali resistance and the temperature toleration than the prior single phenolic resin, decreases low-temperature volatile and moisture contained in the prior phenolic resin, improves the comprehensive performance, eliminates sealing failure accidents caused by resin leakage, prolongs the time of a low-temperature region and can discharge more than 95 percent of low-temperature volatile and moisture.
Description
Technical field
The present invention relates to a kind of carbon graphite material soaking special resin and preparation method thereof, specifically leave over pore after filling up roasting, belong to modification compound resin technical field for carbon graphite material.
Background technology
At present, China does not also have machinery with the special-purpose solvent impregnated resin production of carbon graphite material, fact proved that the dipping of carbon graphite material has particular requirement to resin, and the resin that now is widely used in carbon graphite material production has two kinds, resol has excellent acid, but alkaline resistance properties is relatively poor.Furane resin are all good to acid-fast alkali-proof, become the resin of carbon graphite material consumption maximum.The used resin of carbon graphite industry all is that resin processing plant is for binding agent industry resin now.Two kinds of equal defectiveness of resin: 1, phenolic resin low temp volatile matter free phenol too high levels reaches 15%-16%; Moisture content reaches 18%-20%; These two kinds of objectionable impuritiess are immersed in the carbon graphite material matrix together at dipping; Owing to be cured as the cure under pressure of heating, so these two kinds of materials can not release fully when solidifying, major part is stayed in the carbon graphite material matrix, the wear ring of making in the friction use because the rising of temperature and the effect of power, the free phenol and the water that remain in semi-solid phase state in the material matrix then release to end face, cause so-called resin to reveal seal failure.
Summary of the invention
The objective of the invention is to overcome above-mentioned weak point, thereby provide a kind of carbon graphite material soaking special resin and preparation method thereof, comparable original single resol strengthens alkali resistance and temperature tolerance, former resol contained low temperature volatile matter and moisture have been reduced, over-all properties increases, eliminated owing to resin releases the deperssurization emergency that causes, and can prolong the time of cold zone.
According to technical scheme provided by the invention, carbon graphite material soaking special resin comprises following component: its formula rate is counted by weight:
5～7 parts of bismaleimidess (BMI)
25～27 parts of furane resin (chaff ketone)
(2127) 66～70 parts in resol
Bismaleimides is added isodose dimethylbenzene, and dissolving is stirred and is made mixing solutions at room temperature; Add resol in the above-mentioned mixing solutions and mix and stir, add again after furane resin continue to stir, add and solidify jar and be cured as soaking special resin.
A kind of carbon graphite material soaking special resin preparation method of the present invention, adopt following processing step: its formula rate is counted by weight:
1, with bismaleimides BMI5～7 part adding isodose dimethylbenzene, dissolving is stirred and was made mixing solutions in 1～3 hour at room temperature; Mixing speed: 250～300 rev/mins;
2, close in above-mentioned temperature and add (2127) 66～70 parts in resol in the solution, and mix in stirring tank and stirred 0.5～1.5 hour, temperature remains between 35 ℃～40 ℃; Mixing speed: 250～300 rev/mins;
3, add 25～27 parts of furane resin (chaff ketone) again in step (2) mixing solutions, continue to stir 1～2 hour, temperature remains between 30 ℃～40 ℃;
4, the mixing solutions in the step (3) is added curing jar curing, promptly heat up and do not pressurize, open purging valve; Solidified at normal temperatures 1.5～2.5 hours; When 50～80 ℃ of temperature, solidified 9～11 hours; When 80～100 ℃ of temperature, solidified 5～7 hours; Pressurize when temperature rises to 100 ℃, pressure is: 2.5～3.0MPa, when temperature is 100 ℃～180 ℃, solidified 5～7 hours; Pressure is: 2.5～3.5MPa; Insulation was carbon graphite material soaking special resin in 1.8～2.2 hours when temperature rises to 170～190 ℃.
Solidify Best Times and be 24 hours one jar.Pressure remains to out pressure tank 〉=2.5MPa always.
Compared with the prior art the present invention has the following advantages:
The comparable original single resol of the present invention strengthens alkali resistance and temperature tolerance, former resol contained low temperature volatile matter and moisture have been reduced, over-all properties increases, and has eliminated owing to resin releases the deperssurization emergency that causes, and can prolong the time of cold zone; Can discharge low temperature volatile matter and moisture more than 95%; Traditional resin and technology can only be discharged about 15%.
Embodiment
Following the present invention will be further described in conjunction with the embodiments:
Embodiment one: a kind of carbon graphite material soaking special resin preparation method of the present invention, and adopt following processing step: its formula rate is counted by weight:
1, bismaleimides BMI5 part is added 5 parts of isodose dimethylbenzene, dissolving is stirred and was made mixing solutions in 1 hour at room temperature; Put into band temperature, speed, pressure controlled stirring tank, mixing speed: 250 rev/mins;
2, close in above-mentioned temperature and add (2127) 66 parts in resol in the solution, and mix in stirring tank and stirred 0.5 hour, temperature remains between 35 ℃; Mixing speed: 250 rev/mins;
3, add 25 parts of furane resin (chaff ketone) again in step (2) mixing solutions, continue to stir 1 hour, temperature remains on 30 ℃;
4, the mixing solutions in the step (3) is added 800 liters and solidify a jar curing, promptly heat up and do not pressurize, open purging valve; Solidified at normal temperatures 1.5 hours; When 50 ℃ of temperature, solidified 9 hours; When 80 ℃ of temperature, solidified 3 hours; Pressurize when temperature rises to 100 ℃, pressure is: 2.5MPa, when temperature is 120 ℃, solidified 5 hours; Pressure is: 2.5MPa; Insulation was carbon graphite material soaking special resin in 1.8 hours when temperature rises to 180 ℃.
Embodiment two: a kind of carbon graphite material soaking special resin preparation method of the present invention, and adopt following processing step: its formula rate is counted by weight:
1, bismaleimides BMI6 part is added isodose dimethylbenzene, dissolving is stirred and was made mixing solutions in 2 hours at room temperature; Mixing speed: 270 rev/mins;
2, close in above-mentioned temperature and add (2127) 68 parts in resol in the solution, and mix in stirring tank and stirred 1 hour, temperature remains between 40 ℃; Mixing speed: 270 rev/mins;
3, add 26 parts of furane resin (chaff ketone) again in step (2) mixing solutions, continue to stir 1.5 hours, temperature remains between 38 ℃;
4, the mixing solutions in the step (3) is added curing jar curing, promptly heat up and do not pressurize, open purging valve; Solidified at normal temperatures 2 hours; When 65 ℃ of temperature, solidified 10 hours; When 90 ℃ of temperature, solidified 4 hours; Pressurize when temperature rises to 100 ℃, pressure is: 2.5MPa; When temperature is 150 ℃, solidified 6 hours; Pressure is: 2.5～3.5MPa; Insulation was carbon graphite material soaking special resin in 2 hours when temperature rises to 180 ℃.
Solidify Best Times and be 24 hours one jar.Pressure remains to out pressure tank 〉=2.5MPa always,
Embodiment three: a kind of carbon graphite material soaking special resin preparation method of the present invention, and adopt following processing step: its formula rate is counted by weight:
1, bismaleimides BMI7 part is added isodose dimethylbenzene, dissolving is stirred and was made mixing solutions in 3 hours at room temperature; Mixing speed: 250～300 rev/mins;
2, close in above-mentioned temperature and add (2127) 70 parts in resol in the solution, and mix in stirring tank and stirred 1.5 hours, temperature remains between 43 ℃; Mixing speed: 250～300 rev/mins;
3, add 27 parts of furane resin (chaff ketone) again in step (2) mixing solutions, continue to stir 2 hours, temperature remains between 40 ℃;
4, the mixing solutions in the step (3) is added curing jar curing, promptly heat up and do not pressurize, open purging valve; Solidified at normal temperatures 2.5 hours; When 80 ℃ of temperature, solidified 11 hours; When 100 ℃ of temperature, solidified 5 hours; Pressurize when temperature rises to 100 ℃, pressure is: 2.5MPa; When temperature is 180 ℃, solidified 7 hours; Pressure is: 2.5～3.5MPa; Insulation was carbon graphite material soaking special resin in 2.2 hours when temperature rises to 180 ℃.
Solidify Best Times and be 24 hours one jar.Pressure remains to out pressure tank 〉=2.5MPa always.
Claims (3)
1. carbon graphite material soaking special resin, it is characterized in that: comprise following component: its formula rate is counted by weight:
5～7 parts of bismaleimidess
25～27 parts of acetone-furfural resins
66～70 parts in resol
Bismaleimides is added isodose dimethylbenzene, and dissolving is stirred and is made mixing solutions at room temperature; In above-mentioned mixing solutions, add resol and mix and stir, add again after acetone-furfural resin continues to stir, add and solidify jar and be cured as soaking special resin.
2. the preparation method of a kind of carbon graphite material soaking special resin according to claim 1, adopt following processing step: its formula rate is counted by weight:
(1), 5～7 parts of bismaleimidess are added isodose dimethylbenzene, dissolving is stirred and was made mixing solutions in 1～3 hour at room temperature; Mixing speed: 250～300 rev/mins;
(2), close in the solution in above-mentioned temperature and to add 66～70 parts in resol, and in stirring tank, mix and stirred 0.5～1.5 hour, temperature remains between 35 ℃～43 ℃; Mixing speed: 250～300 rev/mins;
(3), again add 25～27 parts of acetone-furfural resins in step (2) mixing solutions, continue to stir 1～2 hour, temperature remains between 30 ℃～40 ℃;
(4), the mixing solutions in the step (3) is added curing jar curing; Solidified at normal temperatures 1.5～2.5 hours; When 50～80 ℃ of temperature, solidified 9～11 hours; When 80～100 ℃ of temperature, solidified 3～5 hours;
(5), when temperature rises to 100 ℃, pressurize, pressure is: 2.5～3.0MPa; When temperature is 100 ℃～180 ℃, solidified 5～7 hours; Pressure is: 2.5～3.5MPa; Insulation was carbon graphite material soaking special resin in 1.8～2.2 hours when temperature rises to 180 ℃.
3. the preparation method of a kind of carbon graphite material soaking special resin according to claim 2 is characterized in that described pressure remains to out pressure tank 〉=2.5MPa always.
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| CN2009100264846A CN101544808B (en) | 2009-04-24 | 2009-04-24 | Carbon graphite material soaking special resin and preparation method thereof |
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| CN2009100264846A CN101544808B (en) | 2009-04-24 | 2009-04-24 | Carbon graphite material soaking special resin and preparation method thereof |
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| CN101544808A CN101544808A (en) | 2009-09-30 |
| CN101544808B true CN101544808B (en) | 2010-10-27 |
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Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN102886814A (en) * | 2011-07-19 | 2013-01-23 | 无锡中强电碳有限公司 | Production method of hot-pressing carbon graphite material |
| CN109385038A (en) * | 2017-08-11 | 2019-02-26 | 宁夏共享化工有限公司 | Self-hardening organic synthetic resin mixture and application thereof for increasing material manufacturing |
| CN109280519A (en) * | 2018-09-17 | 2019-01-29 | 安徽博耐克摩擦材料有限公司 | The glue and preparation method thereof being bonded for brake block steel back and friction block |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1121515A (en) * | 1966-03-03 | 1968-07-31 | Lorraine Carbone | Brush for dynamoelectric machines |
| CA898733A (en) * | 1972-04-25 | Okada Takashi | Electrolytic graphite anode | |
| US3814699A (en) * | 1970-01-22 | 1974-06-04 | Snam Progetti | Solutions for the treatment of amorphous carbon or graphite manufactured articles for improving their resistance to oxidation |
| GB2074146A (en) * | 1980-04-15 | 1981-10-28 | Domtar Inc | Phosphorus-modified pitch compositions |
| US4366191A (en) * | 1977-02-12 | 1982-12-28 | Sigri Elektrographit Gmbh | Method of increasing the strength of carbon and graphite members |
| CN101050347A (en) * | 2007-05-23 | 2007-10-10 | 西安航天复合材料研究所 | Method for manufacturing charcoal / charcoal sealant material |
-
2009
- 2009-04-24 CN CN2009100264846A patent/CN101544808B/en not_active Expired - Fee Related
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CA898733A (en) * | 1972-04-25 | Okada Takashi | Electrolytic graphite anode | |
| GB1121515A (en) * | 1966-03-03 | 1968-07-31 | Lorraine Carbone | Brush for dynamoelectric machines |
| US3814699A (en) * | 1970-01-22 | 1974-06-04 | Snam Progetti | Solutions for the treatment of amorphous carbon or graphite manufactured articles for improving their resistance to oxidation |
| US4366191A (en) * | 1977-02-12 | 1982-12-28 | Sigri Elektrographit Gmbh | Method of increasing the strength of carbon and graphite members |
| GB2074146A (en) * | 1980-04-15 | 1981-10-28 | Domtar Inc | Phosphorus-modified pitch compositions |
| CN101050347A (en) * | 2007-05-23 | 2007-10-10 | 西安航天复合材料研究所 | Method for manufacturing charcoal / charcoal sealant material |
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Owner name: WUXI ZHONGQIANG ELECTRICAL CARBON CO., LTD. Free format text: FORMER OWNER: WUXI QIANZHOU ELECTRICAL CARBON FACTORY Effective date: 20100308 |
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Effective date of registration: 20100308 Address after: 214181, No. 11, Wuxi Industrial Zone, former town, Huishan District, Jiangsu, Wanshou Road Applicant after: Wuxi Zhongqiang Electrical Carbon Co., Ltd. Address before: 214181, No. 11, Wuxi Industrial Zone, former town, Huishan District, Jiangsu, Wanshou Road Applicant before: Wuxi Qianzhou Seal Carbon Factory |
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