CN105252763A - Rubber and polytetrafluoroethylene bonding method - Google Patents
Rubber and polytetrafluoroethylene bonding method Download PDFInfo
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- CN105252763A CN105252763A CN201510797291.6A CN201510797291A CN105252763A CN 105252763 A CN105252763 A CN 105252763A CN 201510797291 A CN201510797291 A CN 201510797291A CN 105252763 A CN105252763 A CN 105252763A
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- rubber
- polytetrafluoroethylene
- kai muluoke
- poly tetrafluoroethylene
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Abstract
The invention discloses a rubber and polytetrafluoroethylene bonding method. The rubber and polytetrafluoroethylene bonding method comprises the following steps of: (1) treating the one-sided surface of a turned polytetrafluoroethylene film in a sodium naphthalene treating fluid so as to eliminate free ions on the surface of the polytetrafluoroethylene film and increase surface roughness; (2) coating the one-sided surface, treated by the sodium naphthalene treating fluid, of the polytetrafluoroethylene film with diluted Chemlok 205 base coat, and after completing coating, carrying out drying for 30 minutes in a thermostatic chamber with the temperature of 60 DEG C; (3) coating the dried Chemlok 205 base coat with diluted Chemlok 252X finishing coat, and after completing coating, carrying out drying for 30 minutes in the thermostatic chamber with the temperature of 60 DEG C or carrying out drying for 2 hours at a normal temperature; and (4) putting the polytetrafluoroethylene film treated in the step (3) in a rubber mold, and carrying out sustained pressurization for 600 seconds at the temperature of 160 DEG C+/-5 under the pressure of 16+/-1Mpa so as to enable the rubber and the polytetrafluoroethylene to be tightly bonded in a heat vulcanization process, so that the service life of rubber structural components is prolonged.
Description
Technical field
The present invention is specifically related to the adhering method of a kind of rubber and polytetrafluoroethylene (PTFE).
Background technology
Polytetrafluoroethylene (PTFE) is commonly called as " King " in the material, it is for pump valve barrier film, electronic valve flat diaphragm and measuring pump diaphragm etc., can low temperature resistant and 300 degrees centigrade high temperature, and there is the characteristic of the corrosion of anti-strong acid-base and chemicals, but it is not easily bonding with other materials.
Rubber has the extensibility of good elasticity and high strength, but its not strong alkali-acid resistance and chemical solvent, be easily corroded in use procedure, had a strong impact on the service life of product.
At present, market usually connects one deck poly tetrafluoroethylene in the surface engagement of rubber structure part, to intercept strong acid and strong base and chemical solvent contacts with rubber structure part, cause chemical attack, affect the life-span of rubber structure part.But, because rubber structure part and poly tetrafluoroethylene are all the modes be connected, not by rational adhesive technology compound extremely together, the two is in conjunction with defective tightness, in use poly tetrafluoroethylene is easily separated from, thus generation leakage is bad and by flow-induced corrosion, the service life of rubber structure part cannot effectively be ensured.
Summary of the invention
The object of the invention is the deficiency existed to overcome prior art, the adhering method of a kind of rubber and polytetrafluoroethylene (PTFE) is provided, this adhesive method can make the tightr of the poly tetrafluoroethylene adhesive bond on rubber structure part and top layer, in use poly tetrafluoroethylene can not depart from, and adds the service life of rubber structure part.
The present invention is achieved by the following technical solutions: the adhering method of a kind of rubber and polytetrafluoroethylene (PTFE), comprises the steps:
1) single side surface of poly tetrafluoroethylene good for turning how is processed in sodium treatment fluid, to eliminate the free son on poly tetrafluoroethylene surface and to increase surface roughness;
2) according to the part by weight of 1:1, Kai Muluoke 205 primary coat is mixed with toluene or dimethylbenzene, to dilute Kai Muluoke 205 primary coat, by Kai Muluoke 205 primary coat of a side surface coating of the sodium treatment fluid process through how of poly tetrafluoroethylene through dilution, after having applied, drying 30 minutes in the insulating box of 60 DEG C;
3) according to the part by weight of 1:1, Kai Muluoke 252X finish paint is mixed with toluene or dimethylbenzene, to dilute Kai Muluoke 252X finish paint, in Kai Muluoke 205 primary coat after the drying, coating is through the Kai Muluoke 252X finish paint of dilution, after having applied, in the insulating box of 60 DEG C dry 30 minutes or dry 2 hours at normal temperatures;
4) by through 3) poly tetrafluoroethylene of step process puts into by the rubber mold of rubber structure part pre-molding, pad pasting face is treated just to rubber structure part in coating Kai Muluoke 205 primary coat of poly tetrafluoroethylene and the side of Kai Muluoke 252X finish paint, under the condition of temperature 160 DEG C ± 5 DEG C, pressure 16 ± 1Mpa, persistent pressure 600 seconds, rubber is fully contacted with polytetrafluoroethylene (PTFE) in heat cure process, and closely bonds.
The invention has the beneficial effects as follows: the present invention allows rubber structure part fully contact in heat cure process with the poly tetrafluoroethylene on top layer, and reach good adhesive effect, the two combines closely, in use poly tetrafluoroethylene not easily departs from, the elasticity of the existing rubber of component of both bonding formation and the extensibility of high strength, there is again the characteristic of polytetrafluoroethylene (PTFE) strong alkali-acid resistance and chemical solvent, can not occur to reveal bad and by flow-induced corrosion in use procedure, add the service life of product.
Accompanying drawing explanation
Fig. 1 is the structural representation of the poly tetrafluoroethylene fit system on rubber structure part and top layer.
In the drawings: 1-poly tetrafluoroethylene; 2-rubber structure part; 3-adhesive layer.
Detailed description of the invention
The present invention is the adhering method of a kind of rubber and polytetrafluoroethylene (PTFE), comprises the steps:
1) single side surface of poly tetrafluoroethylene good for turning how is processed in sodium treatment fluid, to eliminate the free son on poly tetrafluoroethylene surface and to increase surface roughness, thus polytetrafluoroethylene (PTFE) and rubber are fully bonded together;
2) according to the part by weight of 1:1, Kai Muluoke 205 primary coat is mixed with toluene or dimethylbenzene, to dilute Kai Muluoke 205 primary coat, by Kai Muluoke 205 primary coat of a side surface coating of the sodium treatment fluid process through how of poly tetrafluoroethylene through dilution, after having applied, drying 30 minutes in the insulating box of 60 DEG C;
3) according to the part by weight of 1:1, Kai Muluoke 252X finish paint is mixed with toluene or dimethylbenzene, to dilute Kai Muluoke 252X finish paint, in Kai Muluoke 205 primary coat after the drying, coating is through the Kai Muluoke 252X finish paint of dilution, after having applied, in the insulating box of 60 DEG C dry 30 minutes or dry 2 hours at normal temperatures;
4) by through 3) poly tetrafluoroethylene of step process puts into by the rubber mold of rubber structure part pre-molding, pad pasting face is treated just to rubber structure part in coating Kai Muluoke 205 primary coat of poly tetrafluoroethylene and the side of Kai Muluoke 252X finish paint, under the condition of temperature 160 DEG C ± 5 DEG C, pressure 16 ± 1Mpa, persistent pressure 600 seconds, rubber is fully contacted with polytetrafluoroethylene (PTFE) in heat cure process, and closely bonds.
As shown in Figure 1, the poly tetrafluoroethylene processed through method of the present invention, rubber structure part are closely bonded by the adhesive layer (Kai Muluoke 205 primary coat and Kai Muluoke 252X finish paint) between poly tetrafluoroethylene and rubber structure part, in use poly tetrafluoroethylene not easily departs from, the elasticity of the existing rubber of component of both bonding formation and the extensibility of high strength, there is again the characteristic of polytetrafluoroethylene (PTFE) strong alkali-acid resistance and chemical solvent, can not occur to reveal bad and by flow-induced corrosion in use procedure, add the service life of product.Method of the present invention can substitute the mode that existing rubber structure part and poly tetrafluoroethylene are connected preferably, has good practical value.
Finally should be noted that; above content is only in order to illustrate technical scheme of the present invention; but not limiting the scope of the invention; the simple modification that those of ordinary skill in the art carries out technical scheme of the present invention or equivalently to replace, does not all depart from essence and the scope of technical solution of the present invention.
Claims (1)
1. an adhering method for rubber and polytetrafluoroethylene (PTFE), is characterized in that comprising the steps:
1) single side surface of poly tetrafluoroethylene good for turning how is processed in sodium treatment fluid, to eliminate the free son on poly tetrafluoroethylene surface and to increase surface roughness;
2) according to the part by weight of 1:1, Kai Muluoke 205 primary coat is mixed with toluene or dimethylbenzene, to dilute Kai Muluoke 205 primary coat, by Kai Muluoke 205 primary coat of a side surface coating of the sodium treatment fluid process through how of poly tetrafluoroethylene through dilution, after having applied, drying 30 minutes in the insulating box of 60 DEG C;
3) according to the part by weight of 1:1, Kai Muluoke 252X finish paint is mixed with toluene or dimethylbenzene, to dilute Kai Muluoke 252X finish paint, in Kai Muluoke 205 primary coat after the drying, coating is through the Kai Muluoke 252X finish paint of dilution, after having applied, in the insulating box of 60 DEG C dry 30 minutes or dry 2 hours at normal temperatures;
4) by through 3) poly tetrafluoroethylene of step process puts into by the rubber mold of rubber structure part pre-molding, pad pasting face is treated just to rubber structure part in coating Kai Muluoke 205 primary coat of poly tetrafluoroethylene and the side of Kai Muluoke 252X finish paint, under the condition of temperature 160 DEG C ± 5 DEG C, pressure 16 ± 1Mpa, persistent pressure 600 seconds, rubber is fully contacted with polytetrafluoroethylene (PTFE) in heat cure process, and closely bonds.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510797291.6A CN105252763A (en) | 2015-11-18 | 2015-11-18 | Rubber and polytetrafluoroethylene bonding method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510797291.6A CN105252763A (en) | 2015-11-18 | 2015-11-18 | Rubber and polytetrafluoroethylene bonding method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105252763A true CN105252763A (en) | 2016-01-20 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
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| CN201510797291.6A Pending CN105252763A (en) | 2015-11-18 | 2015-11-18 | Rubber and polytetrafluoroethylene bonding method |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110078964A (en) * | 2019-05-13 | 2019-08-02 | 盘锦国强石油装备制造有限公司 | A kind of preparation method of Wear-resistant, high-temperature resistant material and its application in petroleum drilling and mining sealing material |
| CN112976621A (en) * | 2021-03-15 | 2021-06-18 | 日照市恒通水处理设备有限公司 | Processing technology of PTFE composite membrane |
| CN114836181A (en) * | 2021-02-02 | 2022-08-02 | 中国石油化工股份有限公司 | Oil-resistant deformable plugging particle and preparation method thereof |
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| CN101011865A (en) * | 2006-09-05 | 2007-08-08 | 浙江国泰密封材料股份有限公司 | Manufacturing process of polytetrafluoroethylene composite elastic body shim and product thereof |
| CN101504082A (en) * | 2008-02-05 | 2009-08-12 | 北京邦骏科技有限公司 | Rubber and plastic compound seal gasket ring in ball valve seal and its rubber and plastic combination method |
| US20100243134A1 (en) * | 2009-03-26 | 2010-09-30 | Seiko Epson Corporation | Bonding method and bonded structure |
| CN102294826A (en) * | 2011-06-01 | 2011-12-28 | 芜湖禾田科技有限公司 | Process of vulcanized bonding upper end cover assembly of shock absorber |
| CN102501383A (en) * | 2011-12-08 | 2012-06-20 | 贵州红阳机械(集团)公司 | Machining method of fluoroplastic covered rubber sealing ring |
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2015
- 2015-11-18 CN CN201510797291.6A patent/CN105252763A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101011865A (en) * | 2006-09-05 | 2007-08-08 | 浙江国泰密封材料股份有限公司 | Manufacturing process of polytetrafluoroethylene composite elastic body shim and product thereof |
| CN101504082A (en) * | 2008-02-05 | 2009-08-12 | 北京邦骏科技有限公司 | Rubber and plastic compound seal gasket ring in ball valve seal and its rubber and plastic combination method |
| US20100243134A1 (en) * | 2009-03-26 | 2010-09-30 | Seiko Epson Corporation | Bonding method and bonded structure |
| CN102294826A (en) * | 2011-06-01 | 2011-12-28 | 芜湖禾田科技有限公司 | Process of vulcanized bonding upper end cover assembly of shock absorber |
| CN102501383A (en) * | 2011-12-08 | 2012-06-20 | 贵州红阳机械(集团)公司 | Machining method of fluoroplastic covered rubber sealing ring |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110078964A (en) * | 2019-05-13 | 2019-08-02 | 盘锦国强石油装备制造有限公司 | A kind of preparation method of Wear-resistant, high-temperature resistant material and its application in petroleum drilling and mining sealing material |
| CN114836181A (en) * | 2021-02-02 | 2022-08-02 | 中国石油化工股份有限公司 | Oil-resistant deformable plugging particle and preparation method thereof |
| CN112976621A (en) * | 2021-03-15 | 2021-06-18 | 日照市恒通水处理设备有限公司 | Processing technology of PTFE composite membrane |
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Application publication date: 20160120 |
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