CN108997660A - A kind of rubber tube and preparation method thereof of the ageing-resistant swelling resistance of automobile - Google Patents
A kind of rubber tube and preparation method thereof of the ageing-resistant swelling resistance of automobile Download PDFInfo
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- CN108997660A CN108997660A CN201810968165.6A CN201810968165A CN108997660A CN 108997660 A CN108997660 A CN 108997660A CN 201810968165 A CN201810968165 A CN 201810968165A CN 108997660 A CN108997660 A CN 108997660A
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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
- C08L23/00—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers
- C08L23/02—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers not modified by chemical after-treatment
- C08L23/16—Elastomeric ethene-propene or ethene-propene-diene copolymers, e.g. EPR and EPDM rubbers
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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
- C08K2003/2262—Oxides; Hydroxides of metals of manganese
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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
- C08K2003/2296—Oxides; Hydroxides of metals of zinc
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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
Abstract
The present invention relates to automobile rubber tube technical fields, to meet the requirement that ethylene-propylene-diene monomer sebific duct needs higher ageing-resistant and resistance to swelling energy, disclose a kind of rubber tube and preparation method thereof of ageing-resistant swelling resistance of automobile, the rubber tube is via ethylene propylene diene rubber, acrylate, carbon black, zinc oxide, biomass ceramics, stearic acid, feldspar powder, plasticizer, altax, anti-aging agent RD, antioxidant MB, vulcanizing agent DCP and sulphur are made, wherein biomass ceramics are via biological material such as bamboo powder, sawdust, soybean stalk powder or cotton stalk powder and nano-metal-oxide, the oxygen barrier calcining in nitrogen environment after silane mixture/ethyl alcohol mixing, then load trimethylolpropane obtains, plasticizer is disproportionated rosin, tall oil, C5 Petropols and linoleic mixture.The greater homogeneity of rubber tube of the invention is stablized, and ageing-resistant performance and resistance to swelling can be strong, and tensile strength etc. gets a promotion, and can satisfy automobile application demand.
Description
Technical field
The present invention relates to automobile rubber tube technical fields, and in particular to a kind of rubber tube of the ageing-resistant swelling resistance of automobile
And preparation method thereof.
Background technique
It is needed on automobile commonly using rubber hose for conveying coolant liquid, hydraulic braking medium etc., it is desirable that the soft tool of rubber
There is stronger ageing-resistant and resistance to swelling energy.Ethylene propylene diene rubber is the terpolymer of ethylene, propylene and non-conjugated diene hydrocarbon,
Belong to nonpolar saturated structures, wherein the principal polymeric chain of ethylene propylene diene rubber is fully saturated, so that ethylene-propylene-diene monomer
Glue can resist heat, light and oxidation.Ethylene propylene diene rubber can a large amount of oil-filled and carbon blacks, chemical stability is good, has stronger resistance to
Mill property, elasticity and oil resistivity, therefore purposes is very extensive can be used as tyre side, adhesive tape and the inner tube of a tyre and automobile of automobile
Components can also make electric wire, cable sheathing and high pressure, super-pressure insulating materials, soft in particular for the hydraulic braking of automobile
It manages, ventilating duct for air-conditioner, sealing element, the hose for conveying coolant liquid in engine-cooling system and air-conditioning refrigeration system etc..But
It is since vehicle behavior environment is complicated, rubber hose is in high temperature, high vibration and solvent swell environment, to the resistance to of rubber tube
The requirements such as ageing properties, resistance to swelling energy are more harsh, especially for hydraulic-brake hose, the hose for conveying coolant liquid etc..
And automobile industry rapidly develops at present, and auto parts and components technology upgrading speed is fast, proposes to ethylene-propylene-diene monomer sebific duct higher
Application requirement.Chinese patent CN20121029717.8, a kind of fuel rubber pipe of patent name and its production technology, disclose
Based on deposit rubber, fuel rubber pipe of the outer sebific duct based on neoprene is ageing-resistant, resistance to obtain for a kind of interior sebific duct
Ozone performance.But the material of main part of the rubber tube is different from ethylene propylene diene rubber, promotes the effect of resistance to ag(e)ing, resistance to swelling energy
Fruit is general.
Summary of the invention
It is higher ageing-resistant for automobile hydraulic braking hose, the soft needs of conveying coolant liquid to meet ethylene propylene diene rubber pipe
It is ageing-resistant the purpose of the present invention is to provide a kind of rubber tube of the ageing-resistant swelling resistance of automobile with the requirement of resistance to swelling energy
Performance and resistance to swelling can be strong, can satisfy automobile to the application demand of ethylene-propylene-diene monomer sebific duct.
Another object of the present invention is to provide the preparation methods of the rubber tube of the ageing-resistant swelling resistance of the automobile.
The present invention provides the following technical solution:
A kind of rubber tube of the ageing-resistant swelling resistance of automobile, the rubber tube are made through being made of the components of following parts: ternary second
Third 100~120 parts of rubber, 30~50 parts of acrylate, 10~20 parts of carbon black, 5~10 parts of zinc oxide, biomass ceramics 20~40
Part, 1~5 part of stearic acid, 6~10 parts of feldspar powder, 5~12 parts of plasticizer, 0.2~1 part of altax, 1~4 part of anti-aging agent RD,
0.5~1.5 part of antioxidant MB, 3~8 parts of vulcanizing agent DCP and 0.3~1 part of sulphur.
As a preference of the present invention, the rubber tube is made through being made of the components of following parts: ethylene propylene diene rubber 105~
115 parts, 35~45 parts of acrylate, 12~16 parts of carbon black, 6~8 parts of zinc oxide, 25~35 parts of biomass ceramics, stearic acid 2~
3 parts, 7~9 parts of feldspar powder, 7~9 parts of plasticizer, 0.4~0.7 part of altax, 2~3 parts of anti-aging agent RD, antioxidant MB
0.8~1.2 part, 4~7 parts of vulcanizing agent DCP and 0.5~0.9 part of sulphur.
As a preference of the present invention, the biomass ceramics are made through following procedure: by biological material and nano metal
Oxide 1:1~2 in mass ratio are uniformly mixed, and are subsequently placed in silane mixture/ethyl alcohol and are stirred 24~48 hours, silane mixture
Object and ethyl alcohol volume ratio are 1:3~6, and the mass ratio of biological material and silane mixture is 1:1.2~1.5, then in 30~
35 DEG C crush after aeration-drying 5~8 hours, and the oxygen barrier calcining in nitrogen environment, then cooling is crushed to 400~500 mesh, then
It is placed in 50~60 DEG C of stirrings in the aqueous solution of the trimethylolpropane of 2~4mo/L to impregnate 2~3 hours, then takes out 30~40 DEG C
It is dry.
As a preference of the present invention, biological material is the bamboo powder of 100~200 mesh of partial size, sawdust, soybean stalk powder, cotton
One of flower straw powder.
As a preference of the present invention, nano-metal-oxide is that bismuth oxide, antimony oxide and manganese sesquioxide managnic oxide are pressed
The mixture of mass ratio 1:0.5~1:1.2~2, oxygen barrier calcination process is as follows in nitrogen environment: 670~700 DEG C of calcinings 2~3 are small
When, it is warming up to 850~880 DEG C and calcines 2~3 hours, it is further heated up to 1100~1300 DEG C of 4~6h of calcining.
As a preference of the present invention, the silane mixture is the mixture of methyltriethoxysilane and phenolic resin,
Mass ratio is 1:0.4~0.7.
As a preference of the present invention, the plasticizer be parts by weight 10~15 parts of 12~20 parts of disproportionated rosin, tall oil,
The mixture that 8~12 parts and 8~12 parts of linoleic acid of C5 Petropols.
For rubber tube of the invention based on ethylene propylene diene rubber, acrylate, carbon black, zinc oxide, biomass are ceramic, hard
Resin acid, feldspar powder, plasticizer, altax, anti-aging agent RD, antioxidant MB, vulcanizing agent DCP and sulphur are made of auxiliary material.Biology
In matter ceramics, bamboo powder, sawdust, soybean stalk powder or cotton stalk powder are carbonized in the oxygen barrier environment of nitrogen and form porous charcoal
Structure, methyltriethoxysilane and phenolic resin are mixed to form cross-linked network structure in silane mixture, load to charcoal
The cross-linked structure mutually worn with biological carbon structure is formed in structure and through oxygen barrier calcining, nano-metal-oxide has good lead
Hot property, and it is fully dispersed be filled in cross-linked structure generated, be subsequently filled in ethylene propylene diene rubber promoted mechanics it is strong
Degree, and cross-linked structure generated can promote the ageing-resistant performance and mechanical strength of ethylene propylene diene rubber.Feldspar powder, oxygen simultaneously
Change zinc, carbon black are well-dispersed in cross-linked structure when raw material mixes plays collaboration reinforcing effect, promotes the resistance to ag(e)ing of rubber.
Feldspar powder, which has, is connected to the three-dimensional three-dimensional rack-like structure infinitely stretched by a series of silicate tetrahedral structures with angle top, helps
In the dispersion and filling of zinc oxide, carbon black etc..Nano metal chemical combination object used is bismuth oxide, antimony oxide and three oxygen
Change the mixture of two manganese, antimony oxide, bismuth oxide and manganese sesquioxide managnic oxide successively melt shape during heating carbonization
At continuous low-melting-point metal oxide fusion phase, it is distributed in after then solidifying in the cross-linked structure of biological carbon structure, thus with
The resistance to ag(e)ing and resistance to swelling of cross-linked structure collaboration enhancing rubber.After biomass ceramic load trimethylolpropane, close
Curing reaction is crosslinked with methyl acrylate during refining, enhances the resistance to swelling of rubber.Acrylate used can be third
E pioic acid methyl ester, ethyl acrylate, 2- methyl methacrylate and ethyl 2-methacrylate etc., can also be certainly in internal mixing pass
It is poly-, to form the acrylic rubber body being blended with ethylene propylene diene rubber.Disproportionated rosin, tall oil, C5 Petropols simultaneously
There is stronger high temperature resistant point with linoleic acid, form the reticular structure of crosslinking in ethylene propylene diene rubber, promote ethylene-propylene-diene monomer
The ageing-resistant performance of glue, and the hydrophily of the reticular structure is weak, helps to promote swelling behavior.
The preparation method of the rubber tube of the above-mentioned ageing-resistant swelling resistance of automobile, comprising the following steps:
(1) gasoline of 1~2 times of quality of ethylene propylene diene rubber is swollen, adds acrylate, carbon black, stearic acid, promotor
DM, anti-aging agent RD and antioxidant MB are uniformly mixed, and are placed in 80~90 DEG C of mixings in mixer, 10~15min of time；(2) continue
Biomass ceramics, feldspar powder, plasticizer, zinc oxide, vulcanizing agent DCP and sulphur is added, first in 60~65 DEG C of heat preservation mixings, time
10~15min, then heats to 80~90 DEG C of continuation mixings, then 10~15min of time send open mill extrusion forming；
(3) 160~170 DEG C of vulcanizations 20~30min, 18.2~19MPa of pressure in vulcanizing equipment are sent into and obtain rubber tube.
As the preferred of the method for the present invention, after plasticizer mixing is added in step (2), it is first warming up to 120~140 DEG C of stirrings
Keep 30~60min that gasoline is made sufficiently to volatilize, then mill forms again.
Make to be uniformly mixed between each material by mixing twice in preparation method of the invention, the rubber tube improved
Uniformity.First being warming up to 120~140 DEG C of stirrings after addition plasticizer keeps 30~60min that gasoline is made sufficiently to volatilize, and makes to increase in this way
Disproportionated rosin, turpentine oil, C5 Petropols and chlorinated fatty acid rouge in modeling agent form cross-linked network after losing rubber solvent
Structure plays the role of cooperative reinforcing with biomass ceramics, feldspar powder, carbon black etc., promotes the ageing-resistant and resistance to swelling of rubber tube.
Beneficial effects of the present invention are as follows:
Rubber tube of the invention using ethylene propylene diene rubber as main material, by with biomass ceramics, compound plasticizer, charcoal
The compoundings such as black, feldspar powder, acrylate are obtained by mixing, mill, and the greater homogeneity of rubber tube is stablized, ageing-resistant performance and resistance to
Swelling behavior is strong, and tensile strength etc. gets a promotion, and can satisfy the application demand on automobile.
Specific embodiment
A specific embodiment of the invention is described further below.
Unless otherwise instructed, raw material employed in the present invention is commercially available or commonly used in the art, such as
Without special instruction, the method in following embodiments is the conventional method of this field.
Embodiment 1
A kind of rubber tube of the ageing-resistant swelling resistance of automobile, is made: ethylene propylene diene rubber 100g, methyl acrylate of following component
30g, carbon black 10g, zinc oxide 5g, biomass ceramics 20g, stearic acid 1g, feldspar powder 6g, plasticizer 5g, altax 0.2g,
Anti-aging agent RD 1g, antioxidant MB 0.5g, vulcanizing agent DCP 3g and sulphur 0.3g.
Wherein, biomass ceramics are made through following procedure: by the bamboo powder and nano-metal-oxide of 100~200 mesh of partial size
1:1 in mass ratio be uniformly mixed, nano-metal-oxide be bismuth oxide, antimony oxide and manganese sesquioxide managnic oxide in mass ratio
The mixture of 1:0.5:1.2 is subsequently placed in silane mixture/ethyl alcohol and stirs 24 hours, the volume of silane mixture and ethyl alcohol
Than for 1:3, the mass ratio of biological material and silane mixture is 1:1.2, silane mixture be methyltriethoxysilane with
Phenolic resin is the mixture that 1:0.4 is formed in mass ratio.Then by biological material-nano-metal-oxide and silane mixture
Object/ethyl alcohol crushes after being placed in 30~35 DEG C of aeration-dryings 5~8 hours, then is placed in oxygen barrier calcining in nitrogen environment, and calcination process is such as
Under: 670~700 DEG C are calcined 2~3 hours, are warming up to 850~880 DEG C and are calcined 2~3 hours, it is further heated up to 1100~1300
DEG C calcining 4~6h；Then cooling is crushed to 400 mesh, then be placed in 2mo/L trimethylolpropane aqueous solution in 50 DEG C of stirrings soak
Bubble 2 hours, then takes out 30 DEG C of dryings.
Plasticizer is the mixture of disproportionated rosin 12g, tall oil 10g, C5 Petropols 8g and linoleic acid 8g.
The preparation method of above-mentioned rubber tube, comprising the following steps:
(1) gasoline of 1 times of quality of ethylene propylene diene rubber is swollen, add acrylate, carbon black, stearic acid, altax,
Anti-aging agent RD and antioxidant MB are uniformly mixed, and are placed in 80 DEG C of mixings in mixer, time 10min；
(2) biomass ceramics, feldspar powder, plasticizer, zinc oxide, vulcanizing agent DCP and sulphur are continuously added, it is first close in 60 DEG C of heat preservations
Refining, time 10min then heat to 80 DEG C of continuation mixings, and time 10min then heats to 120 DEG C of stirrings and 30min is kept to make
Gasoline sufficiently volatilizees, and then send open mill extrusion forming；
(3) it is sent into vulcanizing equipment and obtains rubber tube in 160 DEG C of vulcanizations 20min, pressure 18.2MPa.
Embodiment 2
A kind of rubber tube of the ageing-resistant swelling resistance of automobile, the difference with embodiment 1 are as follows:
Rubber tube is made of following component: ethylene propylene diene rubber 105g, ethyl acrylate 35g, carbon black 12g, zinc oxide 6g, biology
Matter ceramics 25g, stearic acid 2g, feldspar powder 7g, plasticizer 7g, altax 0.4g, anti-aging agent RD 2g, antioxidant MB 0.8g,
Vulcanizing agent DCP 4g and sulphur 0.5g.
Wherein, biomass ceramics are made through following procedure: by the sawdust of 100 mesh of partial size and nano-metal-oxide by quality
It is uniformly mixed than 1:1.3, nano-metal-oxide is bismuth oxide, antimony oxide and manganese sesquioxide managnic oxide in mass ratio 1:
The mixture of 0.5:1.2 is subsequently placed in silane mixture/ethyl alcohol and stirs 30 hours, the volume ratio of silane mixture and ethyl alcohol
For 1:4, the mass ratio of biological material and silane mixture is 1:1.3, and silane mixture is methyltriethoxysilane and phenol
The aldehyde tree mixture of 1:0.5 in mass ratio.Then biological material-nano-metal-oxide-silane mixture/ethyl alcohol is placed in
30 DEG C crush after aeration-drying 6 hours, then to be placed in oxygen barrier calcining, calcination process in nitrogen environment as follows: 670 DEG C are calcined 2 hours,
It is warming up to 850 DEG C to calcine 2 hours, it is further heated up to 1100 DEG C of calcining 4h；Then cooling is crushed to 400 mesh, then is placed in 2mo/L
Trimethylolpropane aqueous solution in 52 DEG C of stirrings impregnate 2 hours, then take out 32 DEG C of dryings.
Embodiment 3
A kind of rubber tube of the ageing-resistant swelling resistance of automobile, is made: ethylene propylene diene rubber 110g, methyl acrylate of following component
40g, carbon black 15g, zinc oxide 7.5g, biomass ceramics 30g, stearic acid 3g, feldspar powder 8g, plasticizer 8.5g, altax
0.6g, anti-aging agent RD 2.5g, antioxidant MB 1g, vulcanizing agent DCP 5.5g and sulphur 0.65g.
Wherein, biomass ceramics are made through following procedure: by the sawdust of 150 mesh of partial size and nano-metal-oxide by quality
It is uniformly mixed than 1:1.5, nano-metal-oxide is bismuth oxide, antimony oxide and manganese sesquioxide managnic oxide in mass ratio 1:
The mixture of 0.7:1.6 is subsequently placed in silane mixture/ethyl alcohol and stirs 36 hours, the volume ratio of silane mixture and ethyl alcohol
For 1:5, the mass ratio of biological material and silane mixture is 1:1.4, and silane mixture is methyltriethoxysilane and phenol
The aldehyde tree mixture of 1:0.6 in mass ratio.Then biological material-nano-metal-oxide-silane mixture/ethyl alcohol is placed in
34 DEG C crush after aeration-drying 7 hours, then to be placed in oxygen barrier calcining, calcination process in nitrogen environment as follows: 680 DEG C are calcined 3 hours,
It is warming up to 860 DEG C to calcine 2 hours, it is further heated up to 1200 DEG C of calcining 5h；Then cooling is crushed to 450 mesh, then is placed in 3mo/L
Trimethylolpropane aqueous solution in 55 DEG C of stirrings impregnate 2.5 hours, then take out 35 DEG C of dryings.
Plasticizer is the mixture of disproportionated rosin 16g, tall oil 12.5g, C5 Petropols 10g and linoleic acid 10g.
The preparation method of above-mentioned automobile rubber tube, comprising the following steps:
(1) gasoline of 1.5 times of quality of ethylene propylene diene rubber is swollen, adds acrylate, carbon black, stearic acid, promotor
DM, anti-aging agent RD and antioxidant MB are uniformly mixed, and are placed in 85 DEG C of mixings in mixer, time 12.5min；
(2) biomass ceramics, feldspar powder, plasticizer, zinc oxide, vulcanizing agent DCP and sulphur are continuously added, it is first close in 63 DEG C of heat preservations
Refining, time 12.5min then heat to 85 DEG C of continuation mixings, and time 12.5min then heats to 130 DEG C of stirrings and keeps
45min makes gasoline sufficiently volatilize, and then send open mill extrusion forming；
(3) it is sent into vulcanizing equipment and obtains rubber tube in 165 DEG C of vulcanizations 25min, pressure 18.8MPa.
Embodiment 4
A kind of rubber tube of the ageing-resistant swelling resistance of automobile, is made: ethylene propylene diene rubber 115g, 2- metering system of following component
Sour methyl esters 45g, carbon black 16g, zinc oxide 8g, biomass ceramics 35g, stearic acid 3g, feldspar powder 9g, plasticizer 9g, altax
0.7g, anti-aging agent RD 3g, antioxidant MB 1.2g, vulcanizing agent DCP 7g and sulphur 0.9g.
Wherein, biomass ceramics are made through following procedure: by the soybean stalk powder and nano-metal-oxide of 200 mesh of partial size
1:1.8 in mass ratio is uniformly mixed, and nano-metal-oxide is that bismuth oxide, antimony oxide and manganese sesquioxide managnic oxide press quality
Mixture than 1:0.8:1.7 is subsequently placed in silane mixture/ethyl alcohol and stirs 36 hours, the body of silane mixture and ethyl alcohol
Ratio is accumulated as 1:5, the mass ratio of biological material and silane mixture is 1:1.4, and silane mixture is methyltriethoxysilane
With the phenolic aldehyde tree mixture of 1:0.6 in mass ratio.Then by biological material-nano-metal-oxide-silane mixture/ethyl alcohol
It is crushed after being placed in 35 DEG C of aeration-dryings 7 hours, then to be placed in oxygen barrier calcining, calcination process in nitrogen environment as follows: 700 DEG C of calcinings 2
Hour, it is warming up to 850 DEG C and calcines 3 hours, it is further heated up to 1250 DEG C of calcining 5h；Then cooling is crushed to 500 mesh, then is placed in
60 DEG C of stirrings are impregnated 3 hours in the aqueous solution of the trimethylolpropane of 2mo/L, then take out 40 DEG C of dryings.
Plasticizer is the mixture of disproportionated rosin 20g, tall oil 13g, C5 Petropols 10g and linoleic acid 12g.
The preparation method of above-mentioned automobile rubber tube, comprising the following steps:
(1) gasoline of 1.5 times of quality of ethylene propylene diene rubber is swollen, adds acrylate, carbon black, stearic acid, promotor
DM, anti-aging agent RD and antioxidant MB are uniformly mixed, and are placed in 90 DEG C of mixings in mixer, time 15min；
(2) biomass ceramics, feldspar powder, plasticizer, zinc oxide, vulcanizing agent DCP and sulphur are continuously added, it is first close in 63 DEG C of heat preservations
Refining, time 15min then heat to 90 DEG C of continuation mixings, and time 15min then heats to 135 DEG C of stirrings and 60min is kept to make
Gasoline sufficiently volatilizees, and then send open mill extrusion forming；
(3) it is sent into vulcanizing equipment and obtains rubber tube in 170 DEG C of vulcanizations 30min, pressure 18.5MPa.
Embodiment 5
A kind of rubber tube of the ageing-resistant swelling resistance of automobile, is made: ethylene propylene diene rubber 120g, 2- metering system of following component
Acetoacetic ester 50g, carbon black 20g, zinc oxide 10g, biomass ceramics 40g, stearic acid 5g, feldspar powder 10g, plasticizer 12g, promotor
DM 1g, anti-aging agent RD 4g, antioxidant MB 1.5g, vulcanizing agent DCP 8g and sulphur 1g.
Wherein, biomass ceramics are made through following procedure: 200 mesh cotton stalk powder of partial size is pressed with nano-metal-oxide
Mass ratio 1:2 is uniformly mixed, and nano-metal-oxide is bismuth oxide, antimony oxide and manganese sesquioxide managnic oxide in mass ratio 1:
The mixture of 1:2 is subsequently placed in silane mixture/ethyl alcohol and stirs 48 hours, and the volume ratio of silane mixture and ethyl alcohol is 1:
6, the mass ratio of biological material and silane mixture is 1:1.5, and silane mixture is methyltriethoxysilane and phenolic aldehyde tree
The mixture of 1:0.7 in mass ratio.Then biological material-nano-metal-oxide-silane mixture/ethyl alcohol is placed in 35 DEG C
Aeration-drying crushes after 8 hours, then to be placed in oxygen barrier calcining, calcination process in nitrogen environment as follows: 700 DEG C are calcined 3 hours, heating
It is calcined 3 hours to 880 DEG C, it is further heated up to 1300 DEG C of calcining 6h；Then cooling is crushed to 500 mesh, then is placed in the three of 4mo/L
60 DEG C of stirrings are impregnated 3 hours in the aqueous solution of hydroxymethyl-propane, then take out 40 DEG C of dryings.
Plasticizer is the mixture of disproportionated rosin 20g, tall oil 15g, C5 Petropols 12g and linoleic acid 12g.
The preparation method of above-mentioned automobile rubber tube, comprising the following steps:
(1) gasoline of 2 times of quality of ethylene propylene diene rubber is swollen, add acrylate, carbon black, stearic acid, altax,
Anti-aging agent RD and antioxidant MB are uniformly mixed, and are placed in 90 DEG C of mixings in mixer, time 15min；
(2) biomass ceramics, feldspar powder, plasticizer, zinc oxide, vulcanizing agent DCP and sulphur are continuously added, it is first close in 65 DEG C of heat preservations
Refining, time 15min then heat to 90 DEG C of continuation mixings, and time 15min then heats to 140 DEG C of stirrings and 60min is kept to make
Gasoline sufficiently volatilizees, and then send open mill extrusion forming；
(3) it is sent into vulcanizing equipment and obtains rubber tube in 170 DEG C of vulcanizations 30min, pressure 19MPa.
Performance test
To the resulting rubber tube of Examples 1 to 5 carry out respectively ozone aging test, tensile strength and elongation at break test and
Swellability test, it is the regular fuel C for meeting ASTM that swellability, which tests solvent for use,；
Comparative example is ethylene propylene diene rubber 100g, carbon black 10g, zinc oxide 5g, stearic acid 1g, anti-aging agent RD 1g, anti-aging agent
MB2g, altax 0.2g, plasticizer 6g, vulcanizing agent DCP 3g and sulphur 0.3g are made as described in Example 1, plasticizer
For naphthenic rubber plasticizer.
The pipe range 10cm of rubber tube, pipe diameter 2cm, wall thickness 5mm, as a result as shown in table 1 below.
1 test result of table
Claims (9)
1. a kind of rubber tube of the ageing-resistant swelling resistance of automobile, which is characterized in that the rubber tube via following parts by weight group
Part is made: 100~120 parts of ethylene propylene diene rubber, 30~50 parts of acrylate, 10~20 parts of carbon black, 5~10 parts of zinc oxide, life
20~40 parts of substance ceramics, 1~5 part of stearic acid, 6~10 parts of feldspar powder, 5~12 parts of plasticizer, 0.2~1 part of altax,
1~4 part of anti-aging agent RD, 0.5~1.5 part of antioxidant MB, 3~8 parts of vulcanizing agent DCP and 0.3~1 part of sulphur.
2. the rubber tube of the ageing-resistant swelling resistance of automobile according to claim 1, which is characterized in that the rubber tube via
The component of following parts by weight is made: 105~115 parts of ethylene propylene diene rubber, 35~45 parts of acrylate, 12~16 parts of carbon black, oxygen
Change 6~8 parts of zinc, 25~35 parts of biomass ceramics, 2~3 parts of stearic acid, 7~9 parts of feldspar powder, 7~9 parts of plasticizer, altax
0.4~0.7 part, 2~3 parts of anti-aging agent RD, 0.8~1.2 part of antioxidant MB, 4~7 parts of vulcanizing agent DCP and sulphur 0.5~0.9
Part.
3. the rubber tube of the ageing-resistant swelling resistance of automobile according to claim 1 or 2, which is characterized in that biomass ceramics
It is made through following procedure: biological material is uniformly mixed with nano-metal-oxide 1:1~2 in mass ratio, it is mixed to be placed in silane
It closes and is stirred 24~48 hours in object/ethyl alcohol, silane mixture and ethyl alcohol volume ratio are 1:3~6, biological material and silane mixture
Amount of substance ratio is 1:1.2~1.5, crushes after being subsequently placed in 30~35 DEG C of aeration-dryings 5~8 hours, it is oxygen barrier to be placed in nitrogen environment
Calcining, cooling are crushed to 400~500 mesh, then are placed in 50~60 DEG C of stirrings in 2~4mo/L trimethylolpropane aqueous solution and impregnate 2
~3 hours, take out 30~40 DEG C of dryings.
4. the rubber tube of the ageing-resistant swelling resistance of automobile according to claim 3, which is characterized in that biological material is grain
One of the bamboo powder of 100~200 mesh of diameter, sawdust, soybean stalk powder, cotton stalk powder.
5. the rubber tube of the ageing-resistant swelling resistance of automobile according to claim 3, which is characterized in that nano-metal-oxide
For the mixture of bismuth oxide, antimony oxide and manganese sesquioxide managnic oxide 1:0.5~1:1.2~2 in mass ratio, in nitrogen environment
Oxygen barrier calcination process is as follows: 670~700 DEG C are calcined 2~3 hours, are warming up to 850~880 DEG C and are calcined 2~3 hours, followed by of continuing rising
Temperature is to 1100~1300 DEG C of 4~6h of calcining.
6. the rubber tube of the ageing-resistant swelling resistance of automobile according to claim 3, which is characterized in that the silane mixture
For the mixture of methyltriethoxysilane and phenolic resin, mass ratio is 1:0.4~0.7.
7. the rubber tube of the ageing-resistant swelling resistance of automobile according to claim 1 or 2, which is characterized in that the plasticizer
For 8~12 parts of 10~15 parts of 12~20 parts of disproportionated rosin, tall oil, the C5 Petropols of parts by weight and 8~12 parts of linoleic acid
Mixture.
8. a kind of preparation method of the rubber tube of the ageing-resistant swelling resistance of automobile as described in claim 1 to 7 is any, feature
It is, comprising the following steps:
(1) 1~2 times of quality gasoline of ethylene propylene diene rubber is swollen, adds acrylate, carbon black, stearic acid, promotor
DM, anti-aging agent RD and antioxidant MB are uniformly mixed, and are placed in 80~90 DEG C of mixings in mixer, 10~15min of time；(2) add again
Enter biomass ceramics, feldspar powder, plasticizer and zinc oxide, in 60~65 DEG C of heat preservation mixings, then 10~15min of time heats up
To 80~90 DEG C of continuation mixings, then 10~15min of time send open mill extrusion forming；(3) it is then fed into vulcanizing equipment and adds
Enter vulcanizing agent DCP and sulphur and obtains rubber tube in 160~170 DEG C of vulcanizations 20~30min, 18.2~19MPa of pressure.
9. the preparation method of the rubber tube of the ageing-resistant swelling resistance of automobile according to claim 8, which is characterized in that step
(2) after plasticizer mixing is added in, 120~140 DEG C of stirrings is first warming up to and keep 30~60min that gasoline is made sufficiently to volatilize, then
Mill forms again.
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| CN201810968165.6A CN108997660A (en) | 2018-08-23 | 2018-08-23 | A kind of rubber tube and preparation method thereof of the ageing-resistant swelling resistance of automobile |
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Cited By (1)
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| CN117089129A (en) * | 2023-10-18 | 2023-11-21 | 广州顶顺机电设备有限公司 | Composite material containing aramid fiber, preparation method thereof and conveyor belt using composite material |
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| CN117089129B (en) * | 2023-10-18 | 2024-01-05 | 广州顶顺机电设备有限公司 | Composite material containing aramid fiber, preparation method thereof and conveyor belt using composite material |
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Application publication date: 20181214 |