CN102518883A - Fluorous rubber extrusion tube with reinforcing layer made of carbon fibers and manufacturing process of fluorous rubber extrusion tube - Google Patents
Fluorous rubber extrusion tube with reinforcing layer made of carbon fibers and manufacturing process of fluorous rubber extrusion tube Download PDFInfo
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- CN102518883A CN102518883A CN2011104198681A CN201110419868A CN102518883A CN 102518883 A CN102518883 A CN 102518883A CN 2011104198681 A CN2011104198681 A CN 2011104198681A CN 201110419868 A CN201110419868 A CN 201110419868A CN 102518883 A CN102518883 A CN 102518883A
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Abstract
A manufacturing process of a fluorous rubber extrusion tube with a reinforcing layer made of carbon fibers includes the steps: extruding an inner rubber layer on a mold core of a required size; treating the surface of carbon fiber cloth to increase the content of polar groups on the surface of the carbon fiber cloth; winding or weaving the carbon fiber cloth after surface treatment on the inner rubber layer to serve as the reinforcing layer; wrapping an outer rubber layer on the surface of the carbon fiber cloth; and vulcanizing the obtained rubber tube to obtain a finished product, wherein the inner rubber layer and the outer rubber layer include fluorous rubber. The fluorous rubber extrusion tube is manufactured by using the carbon fiber cloth as the reinforcing layer, so that the problems of low strength and poor pressure resistance of an existing fluorous rubber extrusion tube are solved, and the temperature resistance and the pressure resistance of the fluorous rubber are brought into play to the maximum extent. The rubber tube manufactured by the process can be applied to the fields of aviation, nuclear power stations, petrochemical industry, large ships and the like.
Description
Technical field
The present invention relates to a kind of is that the fluorine rubber of enhancement layer is extruded sebific duct and manufacturing process thereof with the graphite fiber, and it has novel framework material and manufacturing process, and has high temperature resistant, withstand voltage, solvent-proof effect.
Background technique
Existing fluorine rubber is extruded the low problem of sebific duct ubiquity voltage endurance capability, the tensile strength of Yin Putong fluorine rubber own, and stretching strength is lower, causes can not reaching requirement of withstand voltage in a lot of occasions.Existing in addition fluorine rubber framework material great majority use polyester fibre or glass fibre, and wherein the polyester fibre resistance to heat is lower, and intensity is low; The high soda acid of not anti-concentration, and the glass fibre flexible resistance is relatively poor, density is big; Therefore make the application area of fluorine rubber-pipe not to be not fully exerted, and the withstand voltage properties of polyester fibre and glass fibre is low, can only use in general occasion; To the high special dimension of requirement of withstand voltage, fibers commonly used such as polyester fibre or glass fibre just can be ineffective.
In addition, also disclose a kind of fluorine rubber or epichlorophdrin rubber fuel sebific duct among the existing technology patent documentation ZL 02282018.3, it comprises fluororubber layer, aramid line layer and epichlorohydrin rubber layer.Adopt the aramid line layer to coat sebific duct as framework material in this patent documentation, its final product can only use in general occasion equally, can't adapt to the high special dimension of requirement of withstand voltage.Therefore, be necessary to seek a kind of high temperature resistant and/or better fluorine rubber of withstand voltage properties and extrude sebific duct, for example be applied to aviation, nuclear power station, heatproofs such as petrochemical industry, large ship, the demanding field of withstand voltage, anti-solvent.
Summary of the invention
Consider at least one the problems referred to above and accomplished the present invention; And it is that the fluorine rubber of enhancement layer is extruded hose manufacturing process with the graphite fiber that one object of the present invention is to provide a kind of; It has adopted novel framework material; And high temperature resistant, withstand voltage, solvent-proof effect that product has, it has not only solved the low problem of existing fluorine rubber framework material heat resistance, and has solved fluorine rubber itself and the low problem of framework material voltage endurance capability.Make the application area of fluorine rubber be further enhanced.
Particularly, a kind of is that the fluorine rubber of enhancement layer is extruded hose manufacturing process with the graphite fiber, it is characterized in that may further comprise the steps: requiring to extrude one deck inner glue layer on the core rod of size; Carbon fibre cloth is carried out surface treatment, improve the content of its surface polarity group; Surface treated carbon fibre cloth is twined or is woven on the inner glue layer as enhancement layer; Glue-line outside the carbon fibre cloth surface coats; Sebific duct sulfuration with obtaining obtains finished product, and wherein said inner glue layer comprises fluorine rubber with outer glue-line.Preferably, according to different requirement, this composite mode can repeat to implement, like carbon fibre cloth layer → fluorine rubber → carbon fibre cloth layer → fluorine rubber → carbon fibre cloth layer → fluororubber layer.
According to a further aspect of the invention, said polar group comprises the carbonyl polar group at least.
According to a further aspect of the invention, carbon fibre cloth is carried out surface treatment specifically may further comprise the steps: the solution with phosphoric acid three ammoniums is coated in carbon fiber surface, then with the graphite fiber heating, gets final product with dry through the clear water washing again.This processing method equipment is simple, and adaptability is strong, and operating flexibility is big, and treatment effect is good.
According to a further aspect of the invention, the mass percent of the solution of said phosphoric acid three ammoniums is 0.5-1%.
According to a further aspect of the invention, graphite fiber is heated to 200-250 ℃, kept 2-3 minute, get final product with dry through the clear water washing again.
According to a further aspect of the invention, graphite fiber is heated to 200-250 ℃, kept 2-3 minute, the clear water under 70 ℃ washs and 120-150 ℃ of dry down getting final product again.
According to a further aspect of the invention, preferred 3-5 minute said time of drying.
According to a further aspect of the invention, provide also that a kind of what adopt above-mentioned manufacturing process manufacturing is that the fluorine rubber of enhancement layer is extruded sebific duct with the graphite fiber, it is characterized in that comprising: inner glue layer; Twine or be woven in the surface treated carbon fibre cloth on the inner glue layer; And the outer glue-line that coats on the carbon fibre cloth, said inner glue layer comprises fluorine rubber with outer glue-line.
According to a further aspect of the invention, said carbon fibre cloth is a plurality of with outer glue-line and is arranged alternately.
According to a further aspect of the invention, said sebific duct is used for aviation, nuclear power station, petrochemical industry or large ship.
According to a further aspect of the invention, said sebific duct is straight tube or steel tubing in different shapes (comprising bend pipe, bellows).
Compared with prior art; Framework material used in the present invention (carbon fibre cloth) has more performance than general framework material (like polyester fibre, glass fibre); Graphite fiber has the various premium properties of elemental carbon, and is little like proportion, heat resistance is fabulous, thermal expansion coefficient is little, thermal conductivity is big, corrosion resistance and electric conductivity are good etc.Simultaneously, it has the flexibility as the fiber again, can weave processing and Wrapping formed.The performance of graphite fiber most excellent is that specific strength and specific modulus surpass general reinforcing fiber, and it is also higher about 3 times than steel and aluminum alloy with the specific strength and the specific modulus of the composite material that resin forms.The more important thing is that when the present invention had also solved carbon fibre cloth as framework material, it was difficult for bonding new technology problem with inner glue layer, outer glue-line.
With compared in the past; Fields such as present aviation, nuclear power station, petrochemical industry, large ship; Correspondingly before the geometric ratio improved much to the heatproof of sebific duct, withstand voltage and solvent-proof the requirement, therefore a lot of traditional enhancement layers have been difficult to satisfy existing technical requirements, use the sebific duct of traditional enhancement layer material to be easy to before time scheduled maintenance, lost efficacy by high temperature or affected by high; Thereby cause part even complete machine to damage, bring heavy economic losses or potential safety hazard to enterprise.The rubber pipe that the present invention produces can be applicable to aviation, nuclear power station, heatproofs such as petrochemical industry, large ship, the demanding field of withstand voltage, anti-solvent.
Description of drawings:
Fig. 1 is that the fluorine rubber after the moulding is according to the preferred embodiment of the invention extruded the sebific duct schematic representation.
Label declaration: 1 core rod, 2 inner glue layers, 3 carbon fibre cloths (enhancement layer), 4 outer glue-lines
Embodiment:
Below in conjunction with accompanying drawing; Through preferred embodiment preferred forms of the present invention is described; The embodiment here is at length to explain the present invention, and should not be construed as limitation of the present invention, under the situation that does not break away from spirit of the present invention and essential scope; Can make various distortion and modification, these all should be included within protection scope of the present invention.
Below in conjunction with accompanying drawing 1 describe in detail of the present invention with the graphite fiber be the fluorine rubber of enhancement layer extrude sebific duct with and manufacturing process.
A kind of is that the fluorine rubber of enhancement layer is extruded hose manufacturing process with the graphite fiber, may further comprise the steps: on the core rod that requires size 1, extrude one deck inner glue layer 2; Carbon fibre cloth 3 is carried out surface treatment, improve the content of its surface polarity group; Surface treated carbon fibre cloth 3 is twined or is woven on the inner glue layer 2 as enhancement layer; Glue-line 4 outside carbon fibre cloth 3 surfaces coat; Sebific duct sulfuration with obtaining obtains finished product, and wherein said inner glue layer 2 comprises fluorine rubber with outer glue-line 4.Preferably, according to different requirement, this composite mode can repeat to implement, like carbon fibre cloth 3 → fluororubber layer 4 → carbon fibre cloth 3 → fluororubber layer → carbon fibre cloth 3 → fluororubber layer 4.Preferably, said sulfuration can comprise once sulfuration and post-cure.
Preferably, said polar group comprises the carbonyl polar group at least.
Preferably, carbon fibre cloth 3 is carried out surface treatment specifically may further comprise the steps: the solution with phosphoric acid three ammoniums is coated in carbon fibre cloth 3 surfaces, then with carbon fibre cloth 3 heating, gets final product with dry through the clear water washing again.This processing method equipment is simple, and adaptability is strong, and operating flexibility is big, and treatment effect is good.
Preferably, the mass percent of the solution of said phosphoric acid three ammoniums is 0.5-1%.
Preferably, carbon fibre cloth 3 is heated to 200-250 ℃, kept 2-3 minute, get final product with dry through the clear water washing again.
Preferably, carbon fibre cloth is heated to 200-250 ℃, kept 2-3 minute, again the washing of the clear water under 70 ℃ and 120-150 ℃ of following drying.Preferred 3-5 minute said time of drying.
Compared with prior art; Framework material used in the present invention (carbon fibre cloth) has more performance than general framework material (like polyester fibre, glass fibre); Graphite fiber has the various premium properties of elemental carbon, and is little like proportion, heat resistance is fabulous, thermal expansion coefficient is little, thermal conductivity is big, corrosion resistance and electric conductivity are good etc.Simultaneously, it has the flexibility as the fiber again, can weave processing and Wrapping formed.
Present embodiment provides the technical matters of a kind of preferred carbon fibre cloth 3 with fluororubber adhesion.Carbon fibre cloth 3 must be handled its surface through certain technology, makes itself and fluorine rubber have excellent adhesion performance and bond strength.Because not surface treated carbon fibre cloth 3, the content of its surperficial carbonyl, carbonyl isopolarity group are seldom, be unfavorable for and the bonding of body material that its surface is chemical inertness, be difficult for soaking into or the generation chemical reaction with body material.Therefore for the mechanical property and the heat resistance of the transmission that realizes load between fluorine rubber and graphite fiber, the enhancement effect of giving full play to graphite fiber and raising composite material, must carry out surface treatment to graphite fiber 3 surfaces.Preferably; Concrete treatment process is following: the solution with phosphoric acid three ammonium 0.5-1% (mass fraction) is coated in carbon fiber surface; Then graphite fiber is heated to 200-250 ℃, kept 2-3 minute, the clear water under 70 ℃ washs and got final product in 120-150 ℃ time dry 3-5 minute again.This processing method equipment is simple, and adaptability is strong, and operating flexibility is big, and treatment effect is good.
Preferably, present embodiment provides also that a kind of what adopt aforementioned manufacturing process manufacturing is that the fluorine rubber of enhancement layer is extruded sebific duct with the graphite fiber, and it comprises: inner glue layer 2; Twine or be woven in the surface treated carbon fibre cloth 3 on the inner glue layer; And the outer glue-line 4 that coats on the carbon fibre cloth 3, said inner glue layer 2 comprises fluorine rubber with outer glue-line 4.
Preferably, said carbon fibre cloth 3 is a plurality of with outer glue-line 4 and is arranged alternately.
Preferably, said sebific duct is used for aviation, nuclear power station, petrochemical industry or large ship.
Preferably, said sebific duct can be straight tube or steel tubing in different shapes, and this steel tubing in different shapes comprises bend pipe, bellows or the like.
Compared with prior art, framework material used in the present invention (carbon fibre cloth) has more performance than general framework material (like polyester fibre, glass fibre).Simultaneously, when the invention solves carbon fibre cloth as framework material, it is difficult for bonding new technology problem with inner glue layer, outer glue-line.
Of the present invention is that the fluorine rubber of enhancement layer is extruded sebific duct and manufacturing process is not limited to the foregoing description with the graphite fiber.It is understandable that under the situation that does not break away from spirit of the present invention and essential scope, can make various distortion and modification, these all should be included within protection scope of the present invention.
Claims (9)
1. one kind is that the fluorine rubber of enhancement layer is extruded hose manufacturing process with the graphite fiber, it is characterized in that may further comprise the steps:
Requiring to extrude one deck inner glue layer on the core rod of size;
Carbon fibre cloth is carried out surface treatment, improve the content of its surface polarity group;
Surface treated carbon fibre cloth is twined or is woven on the inner glue layer as enhancement layer;
Glue-line outside the carbon fibre cloth surface coats;
Sebific duct sulfuration with obtaining obtains finished product,
Wherein said inner glue layer comprises fluorine rubber with outer glue-line,
Saidly carbon fibre cloth is carried out surface treatment be specially: the solution with phosphoric acid three ammoniums is coated in carbon fiber surface, then with the graphite fiber heating, gets final product with dry through the clear water washing again.
2. extrude hose manufacturing process according to the fluorine rubber of claim 1, it is characterized in that said polar group comprises the carbonyl polar group at least.
3. extrude hose manufacturing process according to the fluorine rubber of claim 1 or 2, the mass percent that it is characterized in that the solution of said phosphoric acid three ammoniums is 0.5-1%.
4. extrude hose manufacturing process according to each described fluorine rubber of claim 1-3, it is characterized in that graphite fiber is heated to 200-250 ℃, kept 2-3 minute, get final product with dry through the clear water washing again.
5. extrude hose manufacturing process according to each described fluorine rubber of claim 1-3, it is characterized in that graphite fiber is heated to 200-250 ℃, kept 2-3 minute, again the washing of the clear water under 70 ℃ and 120-150 ℃ of following drying.
6. fluorine rubber according to claim 5 is extruded hose manufacturing process, it is characterized in that preferred 3-5 minute said time of drying.
One kind what utilize the described manufacturing process manufacturing of above-mentioned each claim is that the fluorine rubber of enhancement layer is extruded sebific duct with the graphite fiber, it is characterized in that comprising:
Inner glue layer;
Twine or be woven in the surface treated carbon fibre cloth on the inner glue layer;
And the outer glue-line that coats on the carbon fibre cloth,
Said inner glue layer comprises fluorine rubber with outer glue-line.
8. fluorine rubber according to claim 7 is extruded sebific duct, it is characterized in that said carbon fibre cloth and outer glue-line are a plurality of and are arranged alternately.
9. fluorine rubber according to claim 8 is extruded sebific duct, it is characterized in that; Said sebific duct is used for aviation, nuclear power station, petrochemical industry or large ship; Said sebific duct is bend pipe or bellows.
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| Application Number | Priority Date | Filing Date | Title |
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| CN2011104198681A CN102518883A (en) | 2011-12-15 | 2011-12-15 | Fluorous rubber extrusion tube with reinforcing layer made of carbon fibers and manufacturing process of fluorous rubber extrusion tube |
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| CN2011104198681A CN102518883A (en) | 2011-12-15 | 2011-12-15 | Fluorous rubber extrusion tube with reinforcing layer made of carbon fibers and manufacturing process of fluorous rubber extrusion tube |
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| CN102518883A true CN102518883A (en) | 2012-06-27 |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104960104A (en) * | 2015-07-06 | 2015-10-07 | 苏州捷宁模塑有限公司 | Fluoroplastic pipe lining product production method |
| CN105179826A (en) * | 2015-09-15 | 2015-12-23 | 绍兴上虞宏晟技术转让服务有限公司 | Hose for delivering corrosive liquid and preparing method of hose |
| CN105179830A (en) * | 2015-09-15 | 2015-12-23 | 绍兴上虞宏晟技术转让服务有限公司 | High-temperature-resistant and corrosion-resistant rubber tube and preparing method thereof |
| CN106032644A (en) * | 2015-09-22 | 2016-10-19 | 洛阳新巨能高热技术有限公司 | New carbon fiber surface treatment method |
| CN113442478A (en) * | 2021-06-29 | 2021-09-28 | 上海伽材新材料科技有限公司 | Forming process of silica gel formed on surface of composite material thin-wall special-shaped pipe |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104960104A (en) * | 2015-07-06 | 2015-10-07 | 苏州捷宁模塑有限公司 | Fluoroplastic pipe lining product production method |
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| CN106032644A (en) * | 2015-09-22 | 2016-10-19 | 洛阳新巨能高热技术有限公司 | New carbon fiber surface treatment method |
| CN113442478A (en) * | 2021-06-29 | 2021-09-28 | 上海伽材新材料科技有限公司 | Forming process of silica gel formed on surface of composite material thin-wall special-shaped pipe |
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