CN104987518A - Method for improving adhesive property by processing chemigum through low temperature plasma using oxygen as medium - Google Patents
Method for improving adhesive property by processing chemigum through low temperature plasma using oxygen as medium Download PDFInfo
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- CN104987518A CN104987518A CN201510477327.2A CN201510477327A CN104987518A CN 104987518 A CN104987518 A CN 104987518A CN 201510477327 A CN201510477327 A CN 201510477327A CN 104987518 A CN104987518 A CN 104987518A
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- paracril
- temperature plasma
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Abstract
The invention discloses a method for improving adhesive property by processing chemigum through a low temperature plasma using oxygen as a medium. The method comprises the steps of: (1) processing the chemigum by using the low temperature plasma in the oxygen medium of which the degree of vacuum is 30-40 pascals; (2) enabling the processing power to be 90-120 watts and the time to be 5-10 minutes; and (3) within 5 hours after processing, using a chemnitz Locke glue adhesion agent (CH207) for adhering the chemigum and polytetrafluoroethylene, and performing vulcanization for 30 minutes at 140-150 DEGC. According to the method disclosed by the invention, the adhesion strength between the chemigum and the polytetrafluoroethylene is improved to at least 480 newtons per metre from 0; besides, the physical mechanical performance of the chemigum is not influenced.
Description
Technical field
The present invention relates to a kind of surface treatment method of paracril, after particularly relating to a kind of oxygen medium, Low Temperature Plasma Treating paracril, realize the method improving adhesiveproperties.
Background technology
Paracril is the random copolymers macromolecular material that divinyl and vinyl cyanide two kinds of monomers obtain through free radical initiated emulsion polymerization, the sealing under hot environment is used for as specialty elastomer, although it is a kind of oil-resistant seal material of excellence, resistance to polarizable medium poor performance.In order to improve resistance to polarizable medium performance further, can be the polytetrafluoroethylene film of 0.1 ~ 0.2 millimeter in paracril Surface coating a layer thickness.
This technology makes paracril possess the cementability with tetrafluoroethylene.
Summary of the invention
A kind of oxygen medium Low Temperature Plasma Treating paracril provided by the invention improves the method for adhesiveproperties, and characterization step is as follows:
(1) the bonding paracril of preparation is put into the processing tank of low-temperature plasma equipment, be evacuated to vacuum tightness and be less than 5 handkerchiefs;
(2) pass into the oxygen that purity is at least 99.9%, keep vacuum tightness to be 30 ~ 40 handkerchiefs;
(3) loading current and voltage make oxygen low-temperature plasma, process paracril, and processing power is 90 ~ 120 watts, and the treatment time is 5 ~ 10 minutes;
(4) process in latter 5 hours, with Kaimoluoke CH207 sizing agent, the paracril after process and tetrafluoroethylene are carried out bonding, and 140 ~ 150 DEG C of sulfurations 30 minutes.
The bonding strength of paracril of the present invention and polytetrafluoroethylene film brings up to more than 480 Newton/meter, and this treatment process can't affect the physical and mechanical property of paracril
Advantage of the present invention is: the bonding strength of the paracril and tetrafluoroethylene that do not carry out Low Temperature Plasma Treating is zero; After adopting the inventive method, the bonding strength of paracril and tetrafluoroethylene brings up at least 480 Newton/meter; Method of the present invention, does not affect the physical and mechanical property of paracril simultaneously.
Embodiment
embodiment one
(1) processing tank that low-temperature plasma equipment put into by bonding paracril is carried out in preparation, be evacuated to vacuum tightness and be less than 5 handkerchiefs;
(2) pass into the oxygen that purity is 99.9%, vacuum tightness is adjusted to 35 handkerchiefs;
(3) loading current and voltage make oxygen low-temperature plasma, process paracril, and processing power is 90 watts, and the treatment time is 10 minutes;
(4) process in latter 5 hours, with Kai Muluoke CH207 sizing agent, processed paracril is carried out bonding with tetrafluoroethylene, and 140 ~ 150 DEG C of sulfurations 30 minutes;
(5) bonding strength between paracril and polytetrafluoroethylene film is 490 Newton/meter.
embodiment two
(1) processing tank that low-temperature plasma equipment put into by bonding paracril is carried out in preparation, be evacuated to vacuum tightness and be less than 5 handkerchiefs;
(2) pass into the oxygen that purity is 99.9%, vacuum tightness is adjusted to 40 handkerchiefs;
(3) loading current and voltage carry out low-temperature plasma to oxygen, process paracril, and processing power is 120 watts, and the treatment time is 5 minutes;
(4) process in latter 5 hours, with Kaimoluoke CH207 sizing agent, processed paracril is carried out bonding with tetrafluoroethylene, and 140 ~ 150 DEG C of sulfurations 30 minutes;
(5) bonding strength between paracril and tetrafluoroethylene is 490 Newton/meter.
embodiment three
(1) processing tank that low-temperature plasma equipment put into by bonding paracril is carried out in preparation, be evacuated to vacuum tightness 5 handkerchief;
(2) pass into the oxygen that purity is 99.9%, vacuum tightness is adjusted to 30 handkerchiefs;
(3) loading current and voltage make oxygen low-temperature plasma, process paracril, and processing power is 110 watts, and the treatment time is 8 minutes;
(4) process in latter 5 hours, with Kai Muluoke CH205 sizing agent, processed paracril and tetrafluoroethylene are carried out bonding, and 140 ~ 150 DEG C of sulfurations 30 minutes;
(5) bonding strength between paracril and tetrafluoroethylene is 500 Newton/meter.
Note: the testing standard of adhesiveproperties
GB/T 2791-1995 " tackiness agent T peeling strength test method flexible material is to flexible material ".
Claims (2)
1. improve a method for adhesiveproperties with the Low Temperature Plasma Treating paracril that oxygen is medium, its characterization step is:
(1) the bonding nitrile rubber of preparation is put into the processing tank of low-temperature plasma equipment, be evacuated to vacuum tightness and be less than 5 handkerchiefs;
(2) pass into the oxygen that purity is greater than 99.9%, adjustment vacuum tightness is 35 ± 5 handkerchiefs;
(3) on load voltage and electric current carry out low-temperature plasma process to paracril, and processing power is 90 ~ 120 watts and treatment time is 5 ~ 10 minutes;
(4) process in latter 5 hours, carry out bonding with Kaimoluoke CH207 sizing agent to the paracril after process and tetrafluoroethylene, and 140 ~ 150 DEG C of sulfurations 30 minutes.
2. require that described a kind of oxygen medium Low Temperature Plasma Treating paracril improves the method for adhesiveproperties according to right 1, it is characterized in that: the bonding strength of paracril and polytetrafluoroethylene film brings up to more than 480 Newton/meter, and this treatment process can't affect the physical and mechanical property of paracril.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510477327.2A CN104987518A (en) | 2015-08-06 | 2015-08-06 | Method for improving adhesive property by processing chemigum through low temperature plasma using oxygen as medium |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510477327.2A CN104987518A (en) | 2015-08-06 | 2015-08-06 | Method for improving adhesive property by processing chemigum through low temperature plasma using oxygen as medium |
Publications (1)
| Publication Number | Publication Date |
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| CN104987518A true CN104987518A (en) | 2015-10-21 |
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| CN201510477327.2A Pending CN104987518A (en) | 2015-08-06 | 2015-08-06 | Method for improving adhesive property by processing chemigum through low temperature plasma using oxygen as medium |
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| CN (1) | CN104987518A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105885132A (en) * | 2016-05-09 | 2016-08-24 | 南昌航空大学 | Method for improving heat resistance of nitrile rubber |
| CN109551792A (en) * | 2018-10-29 | 2019-04-02 | 苏州福慧材料科技有限公司 | It is a kind of using Kynoar as the preparation method of the agricultural film of substrate |
| CN112026216A (en) * | 2020-07-16 | 2020-12-04 | 国营芜湖机械厂 | Surface treatment process for rubber connecting pipe of aircraft air conditioning system |
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| CN102432905A (en) * | 2011-08-16 | 2012-05-02 | 海宁市粤海彩印有限公司 | Modification method for using low-temperature plasma to initiate gas-phase grafting on surface of polyethylene film |
| CN103421200A (en) * | 2013-09-06 | 2013-12-04 | 成都同明新材料技术有限公司 | Method for improving teflon adhesive property and method for producing pressure-sensitive adhesive tape |
| CN104292489A (en) * | 2014-08-08 | 2015-01-21 | 苏州卫鹏机电科技有限公司 | Surface modification method for improving shoe material bonding strength and application thereof |
| CN104772904A (en) * | 2015-04-29 | 2015-07-15 | 南昌航空大学 | Method for bonding teflon |
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2015
- 2015-08-06 CN CN201510477327.2A patent/CN104987518A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102432905A (en) * | 2011-08-16 | 2012-05-02 | 海宁市粤海彩印有限公司 | Modification method for using low-temperature plasma to initiate gas-phase grafting on surface of polyethylene film |
| CN103421200A (en) * | 2013-09-06 | 2013-12-04 | 成都同明新材料技术有限公司 | Method for improving teflon adhesive property and method for producing pressure-sensitive adhesive tape |
| CN104292489A (en) * | 2014-08-08 | 2015-01-21 | 苏州卫鹏机电科技有限公司 | Surface modification method for improving shoe material bonding strength and application thereof |
| CN104772904A (en) * | 2015-04-29 | 2015-07-15 | 南昌航空大学 | Method for bonding teflon |
Non-Patent Citations (1)
| Title |
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| 陈玉如 等: "低温等离子体处理对航空氟硅橡胶表面性能的影响", 《材料工程》 * |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105885132A (en) * | 2016-05-09 | 2016-08-24 | 南昌航空大学 | Method for improving heat resistance of nitrile rubber |
| CN109551792A (en) * | 2018-10-29 | 2019-04-02 | 苏州福慧材料科技有限公司 | It is a kind of using Kynoar as the preparation method of the agricultural film of substrate |
| CN112026216A (en) * | 2020-07-16 | 2020-12-04 | 国营芜湖机械厂 | Surface treatment process for rubber connecting pipe of aircraft air conditioning system |
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Application publication date: 20151021 |
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| RJ01 | Rejection of invention patent application after publication |