CN103524773A - Surface treatment method and connection method for fluorine polymer plastic part - Google Patents
Surface treatment method and connection method for fluorine polymer plastic part Download PDFInfo
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- CN103524773A CN103524773A CN201310465423.6A CN201310465423A CN103524773A CN 103524773 A CN103524773 A CN 103524773A CN 201310465423 A CN201310465423 A CN 201310465423A CN 103524773 A CN103524773 A CN 103524773A
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Abstract
The invention discloses a surface treatment method for a fluorine polymer plastic part. The surface treatment method comprises steps of: (1) cleaning the fluorine polymer plastic part with a trichloroethylene solution, and performing natural drying in the air; (2) steeping the plastic part in a solution A including 1000-1200 parts by weight of thiophene, 150-200 parts by weight of 1,2-benzanthracene and 50-100 parts by weight of sodium metal for 15-20 min, then cleaning with deionized water, and drying by using hot wind having a temperature of 30-40 DEG C; and (3) steeping the plastic part in a phosphoric acid solution having a concentration of 50-70% for 5-10 min, then cleaning with deionized water, and drying by using the hot wind having a temperature of 30-40 DEG C. The invention also discloses a connection method for binding the fluorine polymer plastic part by using an adhesive, and the connection method comprises the steps of the surface treatment method.
Description
Technical field
The present invention relates to the processing technique field of fluoropolymer plastic component, relate in particular to a kind of method of attachment of surface treatment method and fluoropolymer plastic component of fluoropolymer plastic component.
Background technology
Fluoropolymer is a kind of straight-chain paraffin polymkeric substance, and the part or all of hydrogen atom in its molecular structure is replaced by fluorine.Fluoropolymer has very high chemical-resistant, barrier, high temperature resistance and good electrical property, and absorbing moisture not, and frictional coefficient is extremely low, and weathering resistance is good simultaneously.These performances of fluoropolymer become the preferred material of the products such as heat-resisting cable, chemicals-resistant lining, packing ring, pipeline, strainer, valve, pump and electronic unit, coating material and weather-proof film.Fluoropolymer good is being played the part of more and more important role from fire-retardant, self-cleaning, the performance such as corrosion-resistant, high temperature resistant with it in industries such as building, IT, automobile, has even become user's optimal selection in some field.
In some Application Areass of fluoropolymer plastic component, due to upper with design economically, can not produce Unitarily molded goods, therefore, in large-scale or complicated apparatus, need a plurality of fluoropolymer plastic component interconnect combination.In various methods of attachment between fluoropolymer plastic component, stick with glue agent bonding effective means the most often.In a lot of application, owing to sticking with glue agent, replace metal fastenings, thereby reduced product cost, alleviate installation weight, and also extended work-ing life in some cases.In order to obtain satisfied cohesive strength, before bonding, need fluoropolymer plastic component to process so that binding agent is fully wetting and with its surface bonding.
Summary of the invention
In view of the deficiencies in the prior art, the invention provides a kind of surface treatment method of fluoropolymer plastic component, and the method for attachment between a kind of fluoropolymer plastic component is provided.Method technique provided by the invention is simple, and operating cost is low, is suitable for large-scale industrial production.
The technical solution adopted for the present invention to solve the technical problems is: a kind of surface treatment method of fluoropolymer plastic component, comprises step:
(1) use trieline solution to clean described plastic component seasoning in air;
(2) described plastic component is immersed in to 15～20min in solution A; In described solution A, calculate by weight, comprise 1000～1200 parts of thiophene, 150～200 part 1,2-benzanthrene, 50～100 parts of SODIUM METAL; Then use washed with de-ionized water, re-use the hot-air seasoning of 30～40 ℃;
(3) described plastic component being immersed in to concentration is 5～10min in 50～70% phosphoric acid solution; Then use washed with de-ionized water, re-use the hot-air seasoning of 30～40 ℃.
Preferably, in described solution A, calculate by weight, comprise 1000 parts of thiophene, 200 part 1,2-benzanthrene, 50 parts of SODIUM METAL; Described plastic component is immersed in to 20min in solution A.
Preferably, in described solution A, calculate by weight, comprise 1200 parts of thiophene, 150 part 1,2-benzanthrene, 100 parts of SODIUM METAL; Described plastic component is immersed in to 15min in solution A.
Preferably, in step (3), it is 10min in 50% phosphoric acid solution that described plastic component is immersed in to concentration.
Preferably, in step (3), it is 5min in 70% phosphoric acid solution that described plastic component is immersed in to concentration.
Another aspect of the present invention is to provide the method for attachment between a kind of fluoropolymer plastic component, comprises step:
(a) adopt method as above to process the surface of fluoropolymer plastic component;
(b) epoxy-polyurethane glue is coated in to the surface of fluoropolymer plastic component, is positioned over 5～10min under the high temperature of 150～170 ℃;
(c) fluoropolymer plastic component being placed in thermostatic constant wet equipment, is first 100～120 ℃ in temperature, under the condition that humidity is 10～20%, places 5～10min, in temperature, is then 100～120 ℃, under the condition that humidity is 60～70%, places 5～10min;
(d) adopt tackiness agent to bond to fluoropolymer plastic component: at the junction of two fluoropolymer plastic component spin coating tackiness agent; Wherein, described tackiness agent is the mixture of hexafluoroisopropanol, water, p-hydroxybenzenyl sulfonate and oxidation diisopropylbenzene(DIPB); In described mixture, calculate by weight, contain 60～70 parts of hexafluoroisopropanols, 40～50 parts of water, 3～5 parts of p-hydroxybenzenyl sulfonates, 5～10 portions of oxidation diisopropylbenzene(DIPB)s.
Preferably, in described mixture, calculate by weight, contain 60 parts of hexafluoroisopropanols, 40 parts of water, 5 parts of p-hydroxybenzenyl sulfonates, 10 portions of oxidation diisopropylbenzene(DIPB)s.
Preferably, in described mixture, calculate by weight, contain 70 parts of hexafluoroisopropanols, 50 parts of water, 3 parts of p-hydroxybenzenyl sulfonates, 5 portions of oxidation diisopropylbenzene(DIPB)s.
Preferably, the method also comprises step, and the fluoropolymer plastic component after spin coating tackiness agent is dried at the temperature of 100～110 ℃.
The surface treatment method of fluoropolymer plastic component provided by the invention, make fluoropolymer plastic component surface clean clean and tidy, there is stronger binding ability, after carrying out aforesaid surface treatment, prepared a kind of tackiness agent, adopt this tackiness agent to boning between fluoropolymer plastic component, the connection between fluoropolymer plastic component has very high bonding strength.
Embodiment
The present invention is further detailed explanation in conjunction with specific embodiments now.
Embodiment 1
First the present embodiment has carried out surface treatment to fluoropolymer plastic component, then adopts tackiness agent to boning between fluoropolymer plastic component.
The surface treatment method that fluoropolymer plastic component is carried out comprises step:
(1) use trieline solution to clean plastic component seasoning in air;
(2) described plastic component is immersed in to 20min in solution A; In described solution A, calculate by weight, comprise 1000 parts of thiophene, 200 part 1,2-benzanthrene, 50 parts of SODIUM METAL; Then use washed with de-ionized water, re-use the hot-air seasoning of 30 ℃;
(3) described plastic component being immersed in to concentration is 10min in 50 phosphoric acid solution; Then use washed with de-ionized water, re-use the hot-air seasoning of 30 ℃.
After completing above-mentioned steps, polymer plastic part is connected, comprises step:
(a) adopt method as above to process the surface of fluoropolymer plastic component;
(b) epoxy-polyurethane glue is coated in to the surface of fluoropolymer plastic component, is positioned over 5～10min under the high temperature of 150～170 ℃;
(c) fluoropolymer plastic component being placed in thermostatic constant wet equipment, is first 120 ℃ in temperature, under the condition that humidity is 10%, places 5min, in temperature, is then 120 ℃, under the condition that humidity is 60%, places 5min;
(d) adopt tackiness agent to bond to fluoropolymer plastic component: at the junction of two fluoropolymer plastic component spin coating tackiness agent; Wherein, described tackiness agent is the mixture of hexafluoroisopropanol, water, p-hydroxybenzenyl sulfonate and oxidation diisopropylbenzene(DIPB); In described mixture, calculate by weight, contain 60 parts of hexafluoroisopropanols, 40 parts of water, 5 parts of p-hydroxybenzenyl sulfonates, 10 portions of oxidation diisopropylbenzene(DIPB)s; Finally the fluoropolymer plastic component after spin coating tackiness agent is dried at the temperature of 100 ℃.
Adopt above method to boning between fluoropolymer plastic component, the connection between fluoropolymer plastic component has very high bonding strength.
Embodiment 2
First the present embodiment has carried out surface treatment to fluoropolymer plastic component, then adopts tackiness agent to boning between fluoropolymer plastic component.
The surface treatment method that fluoropolymer plastic component is carried out comprises step:
(1) use trieline solution to clean plastic component seasoning in air;
(2) described plastic component is immersed in to 15min in solution A; In described solution A, calculate by weight, comprise 1200 parts of thiophene, 150 part 1,2-benzanthrene, 100 parts of SODIUM METAL; Then use washed with de-ionized water, re-use the hot-air seasoning of 40 ℃;
(3) described plastic component being immersed in to concentration is 5min in 70% phosphoric acid solution; Then use washed with de-ionized water, re-use the hot-air seasoning of 40 ℃; Then use distilled water to clean, at room temperature seasoning in air.
After completing above-mentioned steps, polymer plastic part is connected, comprises step:
(a) adopt method as above to process the surface of fluoropolymer plastic component;
(b) epoxy-polyurethane glue is coated in to the surface of fluoropolymer plastic component, is positioned over 5～10min under the high temperature of 150～170 ℃;
(a) adopt method as above to process the surface of fluoropolymer plastic component;
(b) epoxy-polyurethane glue is coated in to the surface of fluoropolymer plastic component, is positioned over 5～10min under the high temperature of 150～170 ℃;
(c) fluoropolymer plastic component being placed in thermostatic constant wet equipment, is first 100 ℃ in temperature, under the condition that humidity is 20%, places 10min, in temperature, is then 100 ℃, under the condition that humidity is 70%, places 10min;
(d) adopt tackiness agent to bond to fluoropolymer plastic component: at the junction of two fluoropolymer plastic component spin coating tackiness agent; Wherein, described tackiness agent is the mixture of hexafluoroisopropanol, water, p-hydroxybenzenyl sulfonate and oxidation diisopropylbenzene(DIPB); In described mixture, calculate by weight, contain 70 parts of hexafluoroisopropanols, 50 parts of water, 3 parts of p-hydroxybenzenyl sulfonates, 5 portions of oxidation diisopropylbenzene(DIPB)s; Finally the fluoropolymer plastic component after spin coating tackiness agent is dried at the temperature of 100 ℃.
Adopt above method to boning between fluoropolymer plastic component, the connection between fluoropolymer plastic component has very high bonding strength.
In the present invention, described fluoropolymer comprises voltalef, tetrafluoroethylene, polyvinylidene difluoride (PVDF), poly-trifluoro oxygen ethene.
More than comprehensive, the surface treatment method of fluoropolymer plastic component provided by the invention, make fluoropolymer plastic component surface clean clean and tidy, there is stronger binding ability, after carrying out aforesaid surface treatment, prepared a kind of tackiness agent, adopted this tackiness agent to boning between fluoropolymer plastic component, the connection between fluoropolymer plastic component has very high bonding strength.
The above-mentioned foundation desirable embodiment of the present invention of take is enlightenment, and by above-mentioned description, relevant staff can, within not departing from the scope of this invention technological thought, carry out various change and modification completely.The technical scope of this invention is not limited to the content on specification sheets, must determine its technical scope according to claim scope.
Claims (9)
1. a surface treatment method for fluoropolymer plastic component, is characterized in that, comprises step:
(1) use trieline solution to clean described plastic component seasoning in air;
(2) described plastic component is immersed in to 15～20min in solution A; In described solution A, calculate by weight, comprise 1000～1200 parts of thiophene, 150～200 part 1,2-benzanthrene, 50～100 parts of SODIUM METAL; Then use washed with de-ionized water, re-use the hot-air seasoning of 30～40 ℃;
(3) described plastic component being immersed in to concentration is 5～10min in 50～70% phosphoric acid solution; Then use washed with de-ionized water, re-use the hot-air seasoning of 30～40 ℃.
2. surface treatment method according to claim 1, is characterized in that, in step (2), in described solution A, calculates by weight, and comprises 1000 parts of thiophene, 200 part 1, and 2-benzanthrene, 50 parts of SODIUM METAL; Described plastic component is immersed in to 20min in solution A.
3. surface treatment method according to claim 1, is characterized in that, in step (2), in described solution A, calculates by weight, and comprises 1200 parts of thiophene, 150 part 1, and 2-benzanthrene, 100 parts of SODIUM METAL; Described plastic component is immersed in to 15min in solution A.
4. surface treatment method according to claim 1, is characterized in that, in step (3), it is 10min in 50% phosphoric acid solution that described plastic component is immersed in to concentration.
5. surface treatment method according to claim 1, is characterized in that, in step (3), it is 5min in 70% phosphoric acid solution that described plastic component is immersed in to concentration.
6. the method for attachment between fluoropolymer plastic component, comprises step:
(a) adopt the method as described in as arbitrary in claim 1-5 to process the surface of fluoropolymer plastic component;
(b) epoxy-polyurethane glue is coated in to the surface of fluoropolymer plastic component, is positioned over 5～10min under the high temperature of 150～170 ℃;
(c) fluoropolymer plastic component being placed in thermostatic constant wet equipment, is first 100～120 ℃ in temperature, under the condition that humidity is 10～20%, places 5～10min, in temperature, is then 100～120 ℃, under the condition that humidity is 60～70%, places 5～10min;
(d) adopt tackiness agent to bond to fluoropolymer plastic component: at the junction of two fluoropolymer plastic component spin coating tackiness agent; Wherein, described tackiness agent is the mixture of hexafluoroisopropanol, water, p-hydroxybenzenyl sulfonate and oxidation diisopropylbenzene(DIPB); In described mixture, calculate by weight, contain 60～70 parts of hexafluoroisopropanols, 40～50 parts of water, 3～5 parts of p-hydroxybenzenyl sulfonates, 5～10 portions of oxidation diisopropylbenzene(DIPB)s.
7. method of attachment according to claim 6, is characterized in that, in described mixture, calculates by weight, and contains 60 parts of hexafluoroisopropanols, 40 parts of water, 5 parts of p-hydroxybenzenyl sulfonates, 10 portions of oxidation diisopropylbenzene(DIPB)s.
8. method of attachment according to claim 6, is characterized in that, in described mixture, calculates by weight, and contains 70 parts of hexafluoroisopropanols, 50 parts of water, 3 parts of p-hydroxybenzenyl sulfonates, 5 portions of oxidation diisopropylbenzene(DIPB)s.
9. method of attachment according to claim 6, is characterized in that, the method also comprises step, and the fluoropolymer plastic component after spin coating tackiness agent is dried at the temperature of 100～110 ℃.
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| CN201310465423.6A CN103524773B (en) | 2013-10-08 | 2013-10-08 | The surface treatment method of fluoropolymer polymer working of plastics and method of attachment |
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| CN201310465423.6A CN103524773B (en) | 2013-10-08 | 2013-10-08 | The surface treatment method of fluoropolymer polymer working of plastics and method of attachment |
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| CN103524773A true CN103524773A (en) | 2014-01-22 |
| CN103524773B CN103524773B (en) | 2016-05-25 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108705789A (en) * | 2018-04-13 | 2018-10-26 | 安徽畅宇泵阀制造有限公司 | A kind for the treatment of process on plastic pump impeller surface |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4064030A (en) * | 1975-04-14 | 1977-12-20 | Nitto Electric Industrial Co., Ltd. | Process for surface treating molded articles of fluorine resins |
| CN101074298A (en) * | 2007-05-28 | 2007-11-21 | 陈仕明 | Formulation of naphthalene-sodium treating fluid and treatment of polytetrafluoroethylene product |
| CN102432901A (en) * | 2011-08-05 | 2012-05-02 | 巨化集团公司 | Method for treating surface of polytetrafluoroethylene product with sodium naphthalene solution |
-
2013
- 2013-10-08 CN CN201310465423.6A patent/CN103524773B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4064030A (en) * | 1975-04-14 | 1977-12-20 | Nitto Electric Industrial Co., Ltd. | Process for surface treating molded articles of fluorine resins |
| CN101074298A (en) * | 2007-05-28 | 2007-11-21 | 陈仕明 | Formulation of naphthalene-sodium treating fluid and treatment of polytetrafluoroethylene product |
| CN102432901A (en) * | 2011-08-05 | 2012-05-02 | 巨化集团公司 | Method for treating surface of polytetrafluoroethylene product with sodium naphthalene solution |
Non-Patent Citations (1)
| Title |
|---|
| 卢立公等: "一种PTFE塑料带的表面处理生产工艺", 《工程塑料应用》 * |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108705789A (en) * | 2018-04-13 | 2018-10-26 | 安徽畅宇泵阀制造有限公司 | A kind for the treatment of process on plastic pump impeller surface |
| CN108705789B (en) * | 2018-04-13 | 2019-12-24 | 安徽畅宇泵阀制造有限公司 | Treatment process for surface of plastic pump impeller |
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| CN103524773B (en) | 2016-05-25 |
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Effective date of registration: 20160407 Address after: 215300 Suzhou Province, Kunshan City, the town of jade, Federal International Business Garden building, room 14, room 40, No. Applicant after: Kunshan Xinhaiyun Trading Co., Ltd. Address before: 215321, Suzhou, Jiangsu, Kunshan Zhang Pu mayor on the west side of the road No. 2 factory, Kunshan Precision Metal Co., Ltd. Bo Bai Applicant before: Kunshan Chunbai Precision Hardware Co., Ltd. |
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Effective date of registration: 20160420 Address after: 510000 Guangdong city of Guangzhou province Luogang District Economic Development Zone Yonghe Xian Tang Road No. 16 building Applicant after: GUANGZHOU DONGHONG FLUOR&PLASTIC TECHNOLOGY CO., LTD. Address before: 215300 Suzhou Province, Kunshan City, the town of jade, Federal International Business Garden building, room 14, room 40, No. Applicant before: Kunshan Xinhaiyun Trading Co., Ltd. |
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Address after: 510000, Guangzhou, Guangdong province Luogang District Yonghe Economic Development Zone, No. 16 Temple Road factory building Patentee after: Guangzhou Donghong fluoroplastics Co., Ltd Address before: 510000, Guangzhou, Guangdong province Luogang District Yonghe Economic Development Zone, No. 16 Temple Road factory building Patentee before: GUANGZHOU DONGHONG FLUORINE&PLASTIC TECHNOLOGY CO., LTD. |