CN103644398A - Synthetic rubber tube provided with fluorine inside and silicone outside and used for automobile-used intercooler as well as preparation method of synthetic rubber tube - Google Patents
Synthetic rubber tube provided with fluorine inside and silicone outside and used for automobile-used intercooler as well as preparation method of synthetic rubber tube Download PDFInfo
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- CN103644398A CN103644398A CN201310700369.9A CN201310700369A CN103644398A CN 103644398 A CN103644398 A CN 103644398A CN 201310700369 A CN201310700369 A CN 201310700369A CN 103644398 A CN103644398 A CN 103644398A
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L11/00—Hoses, i.e. flexible pipes
- F16L11/04—Hoses, i.e. flexible pipes made of rubber or flexible plastics
- F16L11/08—Hoses, i.e. flexible pipes made of rubber or flexible plastics with reinforcements embedded in the wall
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29D—PRODUCING PARTICULAR ARTICLES FROM PLASTICS OR FROM SUBSTANCES IN A PLASTIC STATE
- B29D23/00—Producing tubular articles
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/18—Oxygen-containing compounds, e.g. metal carbonyls
- C08K3/20—Oxides; Hydroxides
- C08K3/22—Oxides; Hydroxides of metals
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- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L27/00—Compositions of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a halogen; Compositions of derivatives of such polymers
- C08L27/02—Compositions of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a halogen; Compositions of derivatives of such polymers not modified by chemical after-treatment
- C08L27/12—Compositions of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a halogen; Compositions of derivatives of such polymers not modified by chemical after-treatment containing fluorine atoms
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L83/00—Compositions of macromolecular compounds obtained by reactions forming in the main chain of the macromolecule a linkage containing silicon with or without sulfur, nitrogen, oxygen or carbon only; Compositions of derivatives of such polymers
- C08L83/04—Polysiloxanes
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- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/18—Oxygen-containing compounds, e.g. metal carbonyls
- C08K3/20—Oxides; Hydroxides
- C08K3/22—Oxides; Hydroxides of metals
- C08K2003/2265—Oxides; Hydroxides of metals of iron
- C08K2003/2272—Ferric oxide (Fe2O3)
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2203/00—Applications
- C08L2203/18—Applications used for pipes
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2205/00—Polymer mixtures characterised by other features
- C08L2205/02—Polymer mixtures characterised by other features containing two or more polymers of the same C08L -group
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Abstract
The invention provides a synthetic rubber tube provided with fluorine inside and silicone outside and used for an automobile-used intercooler as well as a preparation method of the synthetic rubber tube, and a product is mainly applied to a connecting rubber tube between an automobile turbocharger and the intercooler. The synthetic rubber tube structurally comprises an inner adhesive layer, a silica gel transition adhesive layer, a glue-coated reinforced layer and a silica gel outer adhesive layer. The preparation method comprises steps as follows: all the adhesive layers are subjected to mixing and pressed into adhesive sheets and glue-coated adhesive tapes with different thicknesses, an inner-layer adhesive sheet is pasted onto a mold in a covering manner, an adhesive sheet of a transitional layer is pasted on inner-layer glue in a covering manner, the adhesive tapes are pasted on the transitional layer in a covering manner, an outer-layer silicon sheet is pasted onto the adhesive tapes in a covering manner, and a blank of the synthetic rubber tube is produced. The formed tube blank is sulfurized and subjected to cutting and rinsing treatment according to a pattern requirement, finally, secondary sulfurization is performed, and a finished product is obtained after the processed blank is taken out.
Description
Technical field
The present invention is synthetic sebific duct of the outer silicon of fluorine and preparation method thereof in a kind of intercooler for car, and this product is mainly used in the connection rubber tube between automobile turbocharger and intercooler.
Background technique
Along with social progress and the mankind's development, people are more and more higher to energy demand and environmental requirement.Aspect automotive industry, in order to improve energy efficiency and automobile emissions standards, people constantly pursue new technology, and wherein the application of technology for Turbocharger Manufacturing is the main flow trend of development of automobile.
Technology for Turbocharger Manufacturing is utilized exhaust-driven turbocharger pressurized air exactly, improves air input of engine by air, increases oxygen content, makes oil inflame more abundant, and turbosupercharging is risen air temperature rapidly, and maximum temperature can reach 230 ℃ of left and right.Simultaneously, in order effectively to control discharge of automobile exhaust fumes, in crankcase, waste gas still also has the oil gas of 20-50% to return gas handling system after deaerator separation, thereby makes to contain in automotive air intake and cooling system pipeline a large amount of oil gas compositions.So just require turbosupercharger-intercooler rubber pipe to there is fabulous heat-resisting quantity, oil resistance and oil-gas closed performance.At present domestic at turbosupercharging-intercooler air inlet/outlet rubber hose, mainly to adopt ethylene-acrylate rubber (AEM), silicone rubber (VMQ), internal layer be silicone tube outside the common interior fluorine of fluorine silica gel (FVMQ) or silicon-fluorine polymer thing, and these products all exist resistance to high temperature, oil resistance, high temperature resistant oil-gas closed performance cannot meet one or more performance deficiencies of usage requirement.
Summary of the invention
The object of this invention is to provide a kind of novel both have high and low temperature resistance, oil resistance, again the synthetic sebific duct of the outer silicon of fluorine in the intercooler for car of excellent high temperature resistant oil-gas closed performance and manufacturing process thereof for tool.
In order to achieve the above object, the technical solution adopted in the present invention is:
The synthetic sebific duct of the outer silicon of fluorine in intercooler for car of the present invention, its structural feature be from the inside to the outside by inner glue layer, transition glue-line, cover glue reinforced layer and outer glue-line forms.
In intercooler for car of the present invention, the raw material component proportioning weight portion of synthetic each glue-line of sebific duct of the outer silicon of fluorine is:
Inner glue layer:
Fluorine rubber: 100
Fluoropolymer polymer: 5-10
Stabilizer: 3-5
Reinforcing filler: 25-35
Vulcanzing agent: 2-4
Coupling agent: 2-4
Adhesion promoter: 2-4
Transition glue-line:
Silicone rubber: 100
Fluoropolymer polymer: 10-20
Iron oxide red: 1-3
Vulcanzing agent: 2-4
Assistant crosslinking agent: 3-5
Coupling agent: 4-6
Adhesion promoter: 4-6
Outer glue-line:
Silicone rubber: 100
Iron oxide red: 1-3
Vulcanzing agent: 2-4
Assistant crosslinking agent: 3-5
Adhesion promoter: 3-5
The described glue reinforced layer that covers is for covering glue adhesive plaster for what cover through silicone rubber (VMQ) that rubber calendering makes with aramid fiber or polyester mesh cloth.
With the contrast of prior art product, the present invention has the following advantages:
The synthetic sebific duct of the outer silicon of fluorine in intercooler for car of the present invention, for fluorine rubber (FKM) and silicone rubber (VMQ) composite structure, thoroughly solved and perplexed the fluorine rubber of international rubber industry decades and the technical barrier of silicone rubber co-vulcanization and high temperature adhesives, the high and low temperature resistance that changes existing ethylene-acrylate sebific duct (AEM) is not good, the oil resistance of silicone tube (VMQ) is poor, the outer poor problem of silicone tube oil resistant impervious performance of common interior fluorine of fluorine silica gel (FVMQ) or silicon-fluorine polymer thing, fundamentally solved the technical barrier that keeps excellent adhesiveness energy between fluorine rubber and the high molecular polymer of two kinds of opposed polarities of silicone rubber under co-vulcanization and high temperature simultaneously, improved the endurance quality of synthetic sebific duct.Thereby make product not only have extremely excellent high and low temperature resistance, oil resistance, oil resistant impervious performance, and the shotfiring safety of product improves greatly, effectively promoted working life, realized the large production of low-cost industrial.And owing to effectively intercepting the direct discharge of oxynitrides, oil gas or pollution or the destruction that infiltration causes to environment, environmental protection has been brought into play to positive role.
1,, between internal layer fluorine glue and transition layer silica gel, bond properties is excellent: normal temperature plunger bond strength >=2.5KN/m, after heat-proof aging (200 ℃ * 336h), plunger bond strength >=1.5KN/m, far away higher than index of correlation requirement in GMW15408 standard.
2, have excellent high and low temperature resistance, can reach-60-+300 ℃ of serviceability temperature scope, outclass the serviceability temperature scope-30-+170 ℃ of ethylene-acrylate rubber (AEM).
3, there is excellent oil resistance, fluorine rubber is the best high molecular polymer elastomer of oil resistance up to now, its resistance to No. 3 standard oils (150 ℃ * 168h) specific volumetric dilatation is only 2～3%, and the specific volumetric dilatation that is much better than silicone rubber is more than 60% and the specific volumetric dilatation of fluorosioloxane rubber is more than 20%.
4, there is excellent oil resistant impervious performance, this synthetic sebific duct is under the harsh test conditions of 200 ℃ * 168h, No. 3 standard oil volatilization permeability is only 5%～10%, and silicone tube and the volatilization permeability of pure silicon sebific duct under similarity condition that internal layer is fluorine silica gel reach 90%～100%.
5, there is excellent Safety performance, the structure of this invention product and technique are that multilayer bag subsides winding is synthetic on the one hand, can improve to greatest extent the shotfiring safety of product, on the other hand due to the high permeability resistance of internal layer fluorine glue, the aging damage that has effectively stoped oil gas to cause silica gel Permeation Swelling, thus the Safety performance of product and working life are improved greatly.
6, in intercooler for car of the present invention, the synthetic sebific duct production technology of the outer silicon of fluorine adopts winding shaping process, compare with common extruding-out process, equipment needed thereby, frock and mould are simple and easy to control, and manufacturing efficiency is high, product reliability is strong, tailing is recyclable, therefore cost of production is lower.
Accompanying drawing explanation
Fig. 1 is the schematic cross-section of the synthetic sebific duct of the outer silicon of fluorine in intercooler of the present invention.
Mark in figure:
1. inner glue layer, 2. transition glue-line, 3. covers glue reinforced layer, 4. outer glue-line.
Embodiment
In intercooler for car of the present invention, the synthetic sebific duct of the outer silicon of fluorine, is mainly used in the connection rubber tube between automobile turbocharger and intercooler.Its structure is referring to Fig. 1, and in intercooler for car, the synthetic sebific duct of the outer silicon of fluorine is by inner glue layer 1, transition glue-line 2, covers glue reinforced layer 3 and outer glue-line 4 forms.Described inner glue layer 1 thickness is 0.25 ± 0.05mm, and transition glue-line 2 thickness are 1 ± 0.2mm, cover glue reinforced layer 3 for layer 2-4 thickness be respectively 1 ± 0.2mm cover glue adhesive plaster, outer glue-line 4 thickness are 1 ± 0.2mm.
Each layer of robber materials proportioning weight portion is:
Inner glue layer 1:
Fluorine rubber: 100
Fluoropolymer polymer: 5-10
Stabilizer: 3-5
Reinforcing filler: 25-35
Vulcanzing agent: 2-4
Coupling agent: 2-4
Adhesion promoter: 2-4
Transition glue-line 2:
Silicone rubber: 100
Fluoropolymer polymer: 10-20
Iron oxide red: 1-3
Vulcanzing agent: 2-4
Assistant crosslinking agent: 3-5
Coupling agent: 4-6
Adhesion promoter: 4-6
Outer glue-line 4:
Silicone rubber: 100
Iron oxide red: 1-3
Vulcanzing agent: 2-4
Assistant crosslinking agent: 3-5
Adhesion promoter: 3-5
Described glue reinforced layer 3 materials that cover cover glue adhesive plaster for what cover through silicone rubber (VMQ) that rubber calendering makes with aramid fiber or polyester mesh cloth.
In the raw material of inner glue layer 1: fluorine rubber is pure fluorine glue (FKM), and fluoropolymer polymer is PTFE micro mist, and stabilizer is magnesium oxide, reinforcing filler is carbon black N990, vulcanzing agent is Trigonox101-IP-C8BS, and coupling agent is KR-38S, and adhesion promoter is CILBOND65M.
In the raw material of transition glue-line 2: silicone rubber is VMQ, fluoropolymer polymer is PTFE micro mist, and vulcanzing agent is Trigonox101-IP-C8BS, and assistant crosslinking agent is TAIC, and coupling agent is KR-38S, and adhesion promoter is CILBOND65W.
Outside in the raw material of glue-line 4: silicone rubber is VMQ, and vulcanzing agent is Trigonox101-IP-C8BS, and assistant crosslinking agent is TAIC, and adhesion promoter is CILBOND65W.
In above-described embodiment, main material is specifically selected: fluorine rubber is the E-20946 of Minnesota Mining and Manufacturing Company's production or the B7527 that E.I.Du Pont Company produces; Silicone rubber is the RBB-2003-70 that Dow corning company produces; N990 carbon black is that Canadian Ken Ka C Compaq produces; PTFE micro mist is that the sky, Shenyang City auspicious micropowder material factory produces; Trigonox101-IP-C8BS vulcanzing agent is that Dutch Aksu company produces; TAIC assistant crosslinking agent is that Hua Xing (Suqian) Chemical Co., Ltd. produces; CILBOND65W tackiness agent is that Britain Xi Bang company produces; KR-38S coupling agent is that U.S. kenrich petrochemistry company produces.
The synthetic hose manufacturing process of the outer silicon of fluorine in intercooler for car of the present invention:
1, according to the factory formula of described inner glue layer, transition glue-line and outer glue-line elastomeric compound, weigh respectively, and in mill or in banbury, carry out respectively mixingly, be processed into respectively inner glue layer elastomeric compound, transition glue-line elastomeric compound and outer glue-line elastomeric compound.
2, by each elastomeric compound, on mangler, be pressed into respectively the film of different-thickness, and aramid fiber or polyester mesh cloth are made and covered glue adhesive plaster with outer glue-line elastomeric compound calendering rubberizing on mangler, then by film with cover glue adhesive plaster and be cut into given size.
3, on forming bench, be mounted with shaping die, inner glue layer film bag is pasted and is wound on mould, transition layer film bag is affixed on inner glue layer film, to cover Jiao Jiaobubao is affixed on transition layer film, outer glue-line film bag is affixed on and is covered on glue adhesive plaster, make inner glue layer, transition glue-line, cover glue reinforced layer and an integral body of outer glue-line formation, make the pipe embryo of synthetic sebific duct.
4, the pipe of forming is put into steam vulcanization (cure) tank and vulcanize, sulfuration steam pressure is 0.5-0.6Mpa, and cure time is 40-60 minute.
5, the above-mentioned sebific duct vulcanizating is taken off from mould, from the flat requires to cut, cleaning.
6, the product cleaning up is put into air oven and carry out post-cure, post-cure temperature is 190-200 ℃, and cure time is 4-6 hour, is finished product after taking-up.
Claims (5)
1. the synthetic sebific duct of the outer silicon of fluorine in intercooler for car, is characterized in that: from the inside to the outside by inner glue layer, transition glue-line, cover glue reinforced layer and outer glue-line forms.
2. synthetic sebific duct according to claim 1, is characterized in that, the raw material component proportioning weight portion of each glue-line is:
Inner glue layer:
Fluorine rubber: 100
Fluoropolymer polymer: 5-10
Stabilizer: 3-5
Reinforcing filler: 25-35
Vulcanzing agent: 2-4
Coupling agent: 2-4
Adhesion promoter: 2-4
Transition glue-line:
Silicone rubber: 100
Fluoropolymer polymer: 10-20
Iron oxide red: 1-3
Vulcanzing agent: 2-4
Assistant crosslinking agent: 3-5
Coupling agent: 4-6
Adhesion promoter: 4-6
Outer glue-line:
Silicone rubber: 100
Iron oxide red: 1-3
Vulcanzing agent: 2-4
Assistant crosslinking agent: 3-5
Adhesion promoter: 3-5.
3. synthetic sebific duct according to claim 1, is characterized in that:
In the raw material of inner glue layer: fluorine rubber is pure fluorine glue FKM, and fluoropolymer polymer is PTFE micro mist, and stabilizer is magnesium oxide, and reinforcing filler is carbon black N990, and vulcanzing agent is Trigonox101-IP-C8BS, and coupling agent is KR-38S, and adhesion promoter is CILBOND65M;
In the raw material of transition glue-line: silicone rubber is VMQ, fluoropolymer polymer is PTFE micro mist, and vulcanzing agent is Trigonox101-IP-C8BS, and assistant crosslinking agent is TAIC, and coupling agent is KR-38S, and adhesion promoter is CILBOND65W;
Outside in the raw material of glue-line: silicone rubber is VMQ, and vulcanzing agent is Trigonox101-IP-C8BS, and assistant crosslinking agent is TAIC, and adhesion promoter is CILBOND65W;
Cover glue reinforced layer material and cover glue adhesive plaster for what cover through silicone rubber (VMQ) that rubber calendering makes with aramid fiber or polyester mesh cloth.
4. synthetic sebific duct according to claim 1, it is characterized in that, described inner glue layer thickness is 0.25 ± 0.05mm, and transition glue layer thickness is 1 ± 0.2mm, what cover glue reinforced layer and be layer 2-4 thickness and be respectively 1 ± 0.2mm covers glue adhesive plaster, and outer bondline thickness is 1 ± 0.2mm.
5. the preparation method that in intercooler for car, the outer silicon of fluorine synthesizes sebific duct, its process step is as follows:
A. according to the factory formula component weight of above-mentioned inner glue layer, transition glue-line and outer glue-line elastomeric compound, weigh respectively, and in mill or in banbury, carry out respectively mixingly, be processed into inner glue layer elastomeric compound, transition glue-line elastomeric compound and outer glue-line elastomeric compound;
B. by each elastomeric compound, on mangler, be pressed into respectively the film of different-thickness, and aramid fiber or polyester mesh cloth rolled to rubberizing on mangler and make and cover glue adhesive plaster, then by film with cover glue adhesive plaster and be cut into given size;
C. on forming bench, be mounted with shaping die, inner glue layer film bag is affixed on mould, transition layer film bag is affixed on inner glue layer film, layer 2-4 is covered to Jiao Jiaobubao to be affixed on transition layer film, outer glue-line film bag is affixed on and is covered on glue adhesive plaster, make described inner glue layer film, transition layer film, cover inner glue layer, transition glue-line that glue adhesive plaster and outer glue-line film form, cover glue reinforced layer and outer glue-line forms an integral body, make the pipe embryo of synthetic sebific duct;
D. the pipe of forming is put into steam vulcanization (cure) tank and vulcanize, sulfuration steam pressure is 0.5-0.6Mpa, and cure time is 40-60 minute;
E. the above-mentioned sebific duct vulcanizating is taken off from mould, from the flat requires to cut, cleaning;
F. the product cleaning up is put into air oven and carry out post-cure, post-cure temperature is 190-200 ℃, and cure time is 4-6 hour, is finished product after taking-up.
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Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103899856A (en) * | 2014-04-24 | 2014-07-02 | 山东美晨科技股份有限公司 | Automobile corrugated silicone tube and manufacturing method of automobile corrugated silicone tube |
| CN104672728A (en) * | 2015-03-16 | 2015-06-03 | 深圳市格瑞斯特环保技术有限公司 | Silicon pump pipe and manufacturing method thereof |
| CN104788864A (en) * | 2015-04-17 | 2015-07-22 | 柳州市乾阳机电设备有限公司 | Preparation method of high-temperature-resistant rubber hose |
| CN105351640A (en) * | 2015-12-16 | 2016-02-24 | 天津鹏翎胶管股份有限公司 | Preparation method of turbo-charging rubber pipe |
| CN106863866A (en) * | 2017-03-01 | 2017-06-20 | 北京天元奥特橡塑有限公司 | A kind of preparation method of the outer silicon car sebific duct of interior fluorine |
| CN106945313A (en) * | 2017-03-01 | 2017-07-14 | 北京天元奥特橡塑有限公司 | The outer silica gel tube preparation method of fluorine in a kind of short fiber reinforced silica gel |
| CN111186154A (en) * | 2020-01-07 | 2020-05-22 | 芜湖福赛尔航空材料股份有限公司 | Composite oil-resistant rubber hose with inner fluorine and outer silicon and preparation process thereof |
| CN111363279A (en) * | 2020-03-17 | 2020-07-03 | 戚佳轩 | Fluororubber composition capable of being co-vulcanized and bonded with silicone rubber, rubber product and preparation method |
| CN112898775A (en) * | 2020-11-30 | 2021-06-04 | 安徽恒荣高分子科技有限公司 | Heat-resistant pressure-resistant automobile silica gel plug and processing method thereof |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103899856A (en) * | 2014-04-24 | 2014-07-02 | 山东美晨科技股份有限公司 | Automobile corrugated silicone tube and manufacturing method of automobile corrugated silicone tube |
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| CN104672728A (en) * | 2015-03-16 | 2015-06-03 | 深圳市格瑞斯特环保技术有限公司 | Silicon pump pipe and manufacturing method thereof |
| CN104788864A (en) * | 2015-04-17 | 2015-07-22 | 柳州市乾阳机电设备有限公司 | Preparation method of high-temperature-resistant rubber hose |
| CN105351640A (en) * | 2015-12-16 | 2016-02-24 | 天津鹏翎胶管股份有限公司 | Preparation method of turbo-charging rubber pipe |
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| CN111363279B (en) * | 2020-03-17 | 2022-07-26 | 戚佳轩 | Fluororubber composition capable of being co-vulcanized and bonded with silicone rubber, rubber product and preparation method |
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