CN105906857A - Antibacterial rubber for automobile back door wire harnesses and preparation method thereof - Google Patents
Antibacterial rubber for automobile back door wire harnesses and preparation method thereof Download PDFInfo
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- CN105906857A CN105906857A CN201610408880.5A CN201610408880A CN105906857A CN 105906857 A CN105906857 A CN 105906857A CN 201610408880 A CN201610408880 A CN 201610408880A CN 105906857 A CN105906857 A CN 105906857A
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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
- C08L7/00—Compositions of natural rubber
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29B—PREPARATION OR PRETREATMENT OF THE MATERIAL TO BE SHAPED; MAKING GRANULES OR PREFORMS; RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIAL CONTAINING PLASTICS
- B29B7/00—Mixing; Kneading
- B29B7/02—Mixing; Kneading non-continuous, with mechanical mixing or kneading devices, i.e. batch type
- B29B7/22—Component parts, details or accessories; Auxiliary operations
- B29B7/28—Component parts, details or accessories; Auxiliary operations for measuring, controlling or regulating, e.g. viscosity control
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29B—PREPARATION OR PRETREATMENT OF THE MATERIAL TO BE SHAPED; MAKING GRANULES OR PREFORMS; RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIAL CONTAINING PLASTICS
- B29B7/00—Mixing; Kneading
- B29B7/02—Mixing; Kneading non-continuous, with mechanical mixing or kneading devices, i.e. batch type
- B29B7/22—Component parts, details or accessories; Auxiliary operations
- B29B7/28—Component parts, details or accessories; Auxiliary operations for measuring, controlling or regulating, e.g. viscosity control
- B29B7/286—Component parts, details or accessories; Auxiliary operations for measuring, controlling or regulating, e.g. viscosity control measuring properties of the mixture, e.g. temperature, density
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C35/00—Heating, cooling or curing, e.g. crosslinking or vulcanising; Apparatus therefor
- B29C35/02—Heating or curing, e.g. crosslinking or vulcanizing during moulding, e.g. in a mould
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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
- C08L2201/00—Properties
- C08L2201/08—Stabilised against heat, light or radiation or oxydation
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- Agricultural Chemicals And Associated Chemicals (AREA)
Abstract
The invention discloses antibacterial rubber for automobile back door wire harnesses and a preparation method thereof. The preparation method comprises the steps that 1, Chinese herbal medicines are stir-fried, the stir-fried Chinese herbal medicines are decocted in water and filtered, and a Chinese herbal medicine extracting solution is obtained; 2, bentonite, a diazonium salt, tributyltin and triethyl silicon are subjected to a contact reaction in an organic solvent under the alkaline condition, filtering is conducted, and a modified activator is obtained; 3, natural rubber, silica powder, N-cyclohexyl-N-phenyl-p-phenylenediamine, butylated hydroxytoluene, lignin, urea phosphate, 2-methylanthracene, methyl tert-butyl ether, trimethoprim, methyl triethoxysilane, ammonium chromic alum, the Chinese herbal medicine extracting solution and the modified activator are mixed to be rubber master batches; 4, primary sulfidizing is conducted on a sulfurizing agent, sulfur and the rubber master batches; 5, secondary sulfidizing is conducted on the rubber master batches subjected to primary sulfidizing, and the antibacterial rubber for the automobile back door wire harnesses is formed. The antibacterial rubber has excellent mechanical property and high-temperature-resistant and antibacterial properties.
Description
Technical field
The present invention relates to harness rubber, in particular it relates to a kind of antibacterial rubber for automotive back door wire harness
Glue and preparation method thereof.
Background technology
Rubber is the resilient polymer of a kind of tool.Rubber can obtain, also from the myron of some plants
Can be artificial, both considerable application and products, such as tire, packing ring etc., then become
Important Economic crop.The plantation of rubber is concentrated mainly on south east asia, such as Thailand, Malaysia, print
Degree Nicaea.Rubber is divided into natural rubber and synthetic rubber, either natural rubber by raw material, or closes
Rubber is become all to produce and life is widely applied.
Owing to natural rubber has the physicochemical characteristics of a series of excellence, especially its excellent resilience
Property, the characteristic such as insulating properties, water-resisting property and plasticity, so being able to extensive use: as daily life is used
Rain boots, hot-water bag, elastic cord；Surgeon's glove used by medical and health industry, blood transfusion tube；Hand over
Various tires in logical transport；Industrial conveyer belt, conveyer belt, acidproof and alkali-resistant gloves；Agricultural
Upper irrigation hose, ammonia bag；The sounding balloon of meteorologic survey；The sealing of scientific experimentation, shockproof
Equipment；Aircraft in national defence, tank, artillery, canister respirator；Even become rocket, artificial earth
The raw material that the high-grade, precision and advanced science and technology product such as satellite and spacecraft is indispensable.But as automotive back
The rubber of the crust of door wire harness, owing to the hot environment of automotive interior causes it the most aging, simultaneously at vapour
The surface of car back door wire harness also and easily mould growth, and then cause the air quality of automotive interior to decline.
Summary of the invention
It is an object of the invention to provide a kind of antibacterial rubber for automotive back door wire harness and preparation side thereof
Method, the antibacterial rubber being prepared by the method has the mechanical property of excellence, high temperature resistant and antibiotic property
Can, simultaneously this preparation method mild condition, raw material is easy to get and operation is simple.
To achieve these goals, the invention provides a kind of antibacterial rubber for automotive back door wire harness
Preparation method, this preparation method includes:
1) Chinese herbal medicine is carried out parch, then carry out decocting, filtering by the Chinese herbal medicine after parch in water
With prepared extracts of Chinese herbal medicine；
2) by bentonite, diazol, tributyl tin, triethyl group silicon under the conditions of organic solvent and alkalescence
Carry out haptoreaction, then filter with prepared modified active thing；
3) by natural rubber, silicon powder, N-cyclohexyl-4-aminodiphenylamine, ditertbutylparacresol,
Lignin, urea phosphate, 2-methyl anthracene, methyl tertiary butyl ether(MTBE), trimethoprim, MTES,
Ammoniumchromic alum, extracts of Chinese herbal medicine and modified active thing is mixing makes rubber master batch；
4) by vulcanizing agent, sulfur and milling maternal rubber to carry out primary vulcanization process；
5) rubber master batch after primary vulcanization carries out second time to vulcanize to make for automotive back door wire harness
Antibacterial rubber；
Wherein, Chinese herbal medicine include Herba Schizonepetae, Endothelium Corneum Gigeriae Galli, Radix Asparagi, Rhizoma Smilacis Glabrae, Herba Commelinae, Radix Asteris, Fructus Aurantii Immaturus,
Flos Magnoliae, Semen Lepidii (Semen Descurainiae) and Herba Aristolochiae.
Invention additionally provides a kind of antibacterial rubber for automotive back door wire harness, and this is used for automotive back door
The antibacterial rubber of wire harness is prepared from by above-mentioned method.
By technique scheme, the preparation method that the present invention provides is by above-mentioned each raw material and each step
Between synergism so that prepare antibacterial rubber have excellence mechanical property, high temperature resistant and
Anti-microbial property, and then this antibacterial rubber is fully able to as the outer jointing jacket of automotive back door wire harness make
With, simultaneously this preparation method mild condition, raw material is easy to get and operation is simple.
Other features and advantages of the present invention will be described in detail in detailed description of the invention part subsequently.
Detailed description of the invention
Hereinafter the detailed description of the invention of the present invention is described in detail.It should be appreciated that this place is retouched
The detailed description of the invention stated is merely to illustrate and explains the present invention, is not limited to the present invention.
The invention provides the preparation method of a kind of antibacterial rubber for automotive back door wire harness, this is prepared
Method includes:
1) Chinese herbal medicine is carried out parch, then carry out decocting, filtering by the Chinese herbal medicine after parch in water
With prepared extracts of Chinese herbal medicine；
2) by bentonite, diazol, tributyl tin, triethyl group silicon under the conditions of organic solvent and alkalescence
Carry out haptoreaction, then filter with prepared modified active thing；
3) by natural rubber, silicon powder, N-cyclohexyl-4-aminodiphenylamine, ditertbutylparacresol,
Lignin, urea phosphate, 2-methyl anthracene, methyl tertiary butyl ether(MTBE), trimethoprim, MTES,
Ammoniumchromic alum, extracts of Chinese herbal medicine and modified active thing is mixing makes rubber master batch；
4) by vulcanizing agent, sulfur and milling maternal rubber to carry out primary vulcanization process；
5) rubber master batch after primary vulcanization carries out second time to vulcanize to make for automotive back door wire harness
Antibacterial rubber；
Wherein, Chinese herbal medicine include Herba Schizonepetae, Endothelium Corneum Gigeriae Galli, Radix Asparagi, Rhizoma Smilacis Glabrae, Herba Commelinae, Radix Asteris, Fructus Aurantii Immaturus,
Flos Magnoliae, Semen Lepidii (Semen Descurainiae) and Herba Aristolochiae.
Step 1 in the present invention) in, the concrete consumption of each material can select in wide scope, but
It is so that the antibacterial rubber prepared has more excellent mechanical property, high temperature resistant and anti-microbial property, excellent
Selection of land, relative to the Herba Schizonepetae of 100 weight portions, the consumption of Endothelium Corneum Gigeriae Galli is 55-61 weight portion, the use of Radix Asparagi
Amount is 71-84 weight portion, and the consumption of Rhizoma Smilacis Glabrae is 41-48 weight portion, and the consumption of Herba Commelinae is 22-38
Weight portion, the consumption of Radix Asteris is 55-69 weight portion, and the consumption of Fructus Aurantii Immaturus is 47-56 weight portion, Flos Magnoliae
Consumption is 29-36 weight portion, and the consumption of Semen Lepidii (Semen Descurainiae) is 17-28 weight portion, and the consumption of Herba Aristolochiae is 56-67
Weight portion, the consumption of water is 800-1000 weight portion.
Meanwhile, the step 1 in the present invention) in, the actual conditions of parch can select in wide scope,
But so that the antibacterial rubber prepared has more excellent mechanical property, high temperature resistant and anti-microbial property,
Preferably, parch at least meets following condition: parch temperature is 270-310 DEG C, and the parch time is
40-60min。
Step 1 in the present invention) in, the actual conditions of decoction can select in wide scope, but
So that the antibacterial rubber prepared has more excellent mechanical property, high temperature resistant and anti-microbial property, preferably
Ground, decocts and at least meets following condition: decocting temperature and be 210-240 DEG C, decocting time is 4-6h.
Additionally, in the step 2 of the present invention) in, the concrete consumption of each material can select in wide scope
Select, but so that the antibacterial rubber prepared has more excellent mechanical property, high temperature resistant and antibiotic property
Can, it is preferable that relative to the bentonite of 100 weight portions, the consumption of diazol is 82-95 weight portion,
The consumption of tributyl tin is 29-46 weight portion, and the consumption of triethyl group silicon is 10-22 weight portion, You Jirong
The consumption of agent is 300-500 weight portion.
Step 2 in the present invention) in, catalytic actual conditions can select in wide scope,
But so that the antibacterial rubber prepared has more excellent mechanical property, high temperature resistant and anti-microbial property,
Preferably, haptoreaction at least meets following condition: reaction temperature is 75-90 DEG C, and the response time is
7-10h, system pH is 8-12.
It addition, in the step 2 of the present invention) in, the concrete kind of diazol can be selected in wide scope
Select, but so that the antibacterial rubber prepared has more excellent mechanical property, high temperature resistant and antibiotic property
Can, it is preferable that in step 2) in, diazol is selected from Diazosalt of sulfanilic acid, to nitro fluorine boron
Change one or more in diazol, single sweep polarographic wave and diazonium tetrafluoroborate.
Step 2 in the present invention) in, the concrete kind of organic solvent can select in wide scope,
But so that the antibacterial rubber prepared has more excellent mechanical property, high temperature resistant and anti-microbial property,
Preferably, organic solvent one in Methanamide, ethylene glycol, methylformamide, ethanol and propanol
Or it is multiple.
Further, the step 3 in the present invention) in, the concrete consumption of each material can select in wide scope
Select, but so that the antibacterial rubber prepared has more excellent mechanical property, high temperature resistant and antibiotic property
Can, it is preferable that relative to the natural rubber of 100 weight portions, the consumption of silicon powder is 13-17 weight portion,
The consumption of N-cyclohexyl-4-aminodiphenylamine is 24-31 weight portion, and the consumption of ditertbutylparacresol is
35-44 weight portion, the consumption of lignin is 8-15 weight portion, and the consumption of urea phosphate is 27-34 weight portion,
The consumption of 2-methyl anthracene is 1-3 weight portion, and the consumption of methyl tertiary butyl ether(MTBE) is 75-85 weight portion, methoxy
The consumption of benzyl pyridine is 18-27 weight portion, and the consumption of MTES is 55-67 weight portion, ammonium
The consumption of chrome alum is 10-17 weight portion, and the consumption of extracts of Chinese herbal medicine is 57-61 weight portion, modified alive
The consumption of compound is 17-24 weight portion.
Step 3 in the present invention) in, mixing actual conditions can select in wide scope, but
So that the antibacterial rubber prepared has more excellent mechanical property, high temperature resistant and anti-microbial property, preferably
Ground, mixing at least meets following condition: melting temperature is 150-160 DEG C, and mixing time is 8-12h.
On the basis of the above, in step 4) in, the concrete consumption of each material can be at wide model
Enclose interior selection, but so that the antibacterial rubber prepared have more excellent mechanical property, high temperature resistant and
Anti-microbial property, it is preferable that relative to the rubber master batch of 100 weight portions, the consumption of vulcanizing agent is 0.2-0.8 weight
Amount part, the consumption of sulfur is 9-14 weight portion.
Step 4 in the present invention) in, the actual conditions of primary vulcanization can select in wide scope,
But so that the antibacterial rubber prepared has more excellent mechanical property, high temperature resistant and anti-microbial property,
Preferably, primary vulcanization meets following condition: curing temperature is 120-170 DEG C, and cure time is
15-20min, sulfide stress is 10-12Mpa；
Step 4 in the present invention) in, the concrete kind of vulcanizing agent can select in wide scope, but
It is so that the antibacterial rubber prepared has more excellent mechanical property, high temperature resistant and anti-microbial property, excellent
Selection of land, vulcanizing agent is selected from dual-tert-butyl cumene hydroperoxide, dicumyl peroxide, benzoyl peroxide
One or more in formyl and 2,4-dichloride benzoyl peroxide.
Step 5 in the present invention) in, the actual conditions of second time sulfuration can select in wide scope,
But so that the antibacterial rubber prepared has more excellent mechanical property, high temperature resistant and anti-microbial property,
Preferably, second time sulfuration meets following condition: curing temperature is 210-220 DEG C, and cure time is 3-5h.
Present invention also offers a kind of antibacterial rubber for automotive back door wire harness, this is used for automotive back
The antibacterial rubber of door wire harness is prepared from by above-mentioned method.
Hereinafter will be described the present invention by embodiment.
Embodiment 1
1) Chinese herbal medicine is carried out at 290 DEG C parch 50min, then by the Chinese herbal medicine after parch and 220 DEG C
Water is carried out decoct 5h, cross leaching filtrate with prepared extracts of Chinese herbal medicine；Wherein, Chinese herbal medicine include Herba Schizonepetae,
Endothelium Corneum Gigeriae Galli, Radix Asparagi, Rhizoma Smilacis Glabrae, Herba Commelinae, Radix Asteris, Fructus Aurantii Immaturus, Flos Magnoliae, Semen Lepidii (Semen Descurainiae) and Herba Aristolochiae, and
And, Herba Schizonepetae, Endothelium Corneum Gigeriae Galli, Radix Asparagi, Rhizoma Smilacis Glabrae, Herba Commelinae, Radix Asteris, Fructus Aurantii Immaturus, Flos Magnoliae, Semen Lepidii (Semen Descurainiae),
Herba Aristolochiae is 100:57:78:45:33:62:51:32:22:64:900 with the weight ratio of water.
2) by bentonite, diazol (Diazosalt of sulfanilic acid), tributyl tin, triethyl group silicon,
Organic solvent (Methanamide) is incorporated in pH according to the weight ratio of 100:88:36:15:400 is mixed is
10, carry out haptoreaction 9h under conditions of 80 DEG C, then cross leaching filter cake with prepared modified active thing.
3) by natural rubber, silicon powder, N-cyclohexyl-4-aminodiphenylamine, ditertbutylparacresol,
Lignin, urea phosphate, 2-methyl anthracene, methyl tertiary butyl ether(MTBE), trimethoprim, MTES,
Ammoniumchromic alum, extracts of Chinese herbal medicine and modified active thing are according to 100:15:28:39:12:30:2:80:
The weight ratio of 24:62:15:58:22 is mixed to be incorporated in mixing 10h at 155 DEG C and makes rubber master batch；
4) by vulcanizing agent (dual-tert-butyl cumene hydroperoxide), sulfur and rubber master batch according to 0.5:12:
The weight ratio of 100 is mixed and is carried out primary vulcanization process 18min under conditions of being incorporated in 150 DEG C and 11Mpa；
5) rubber master batch after primary vulcanization is carried out in the baking oven of 215 DEG C second time and vulcanize 4h to make
Antibacterial rubber A1 for automotive back door wire harness.
Embodiment 2
1) Chinese herbal medicine is carried out at 270 DEG C parch 40min, then by the Chinese herbal medicine after parch and 210 DEG C
Water is carried out decoct 4h, cross leaching filtrate with prepared extracts of Chinese herbal medicine；Wherein, Chinese herbal medicine include Herba Schizonepetae,
Endothelium Corneum Gigeriae Galli, Radix Asparagi, Rhizoma Smilacis Glabrae, Herba Commelinae, Radix Asteris, Fructus Aurantii Immaturus, Flos Magnoliae, Semen Lepidii (Semen Descurainiae) and Herba Aristolochiae, and
And, Herba Schizonepetae, Endothelium Corneum Gigeriae Galli, Radix Asparagi, Rhizoma Smilacis Glabrae, Herba Commelinae, Radix Asteris, Fructus Aurantii Immaturus, Flos Magnoliae, Semen Lepidii (Semen Descurainiae),
Herba Aristolochiae is 100:55:71:41:22:55:47:29:17:56:800 with the weight ratio of water.
2) by bentonite, diazol (to nitro fluorine boronation diazol), tributyl tin, triethyl group silicon,
Organic solvent (methylformamide) is incorporated in pH according to the weight ratio of 100:82:29:10:300 is mixed
Carry out haptoreaction 7h under conditions of being 8,75 DEG C, then cross leaching filter cake with prepared modified active thing.
3) by natural rubber, silicon powder, N-cyclohexyl-4-aminodiphenylamine, ditertbutylparacresol,
Lignin, urea phosphate, 2-methyl anthracene, methyl tertiary butyl ether(MTBE), trimethoprim, MTES,
Ammoniumchromic alum, extracts of Chinese herbal medicine and modified active thing are according to 100:13:24:35:8:27:1:75:
The weight ratio of 18:55:10:57:17 is mixed to be incorporated in mixing 8h at 150 DEG C and makes rubber master batch；
4) by vulcanizing agent (dicumyl peroxide), sulfur and rubber master batch according to the weight of 0.2:9:100
Amount ratio mixes and carries out primary vulcanization process 15min under conditions of being incorporated in 120 DEG C and 10Mpa；
5) rubber master batch after primary vulcanization is carried out in the baking oven of 210 DEG C second time and vulcanize 3h to make
Antibacterial rubber A2 for automotive back door wire harness.
Embodiment 3
1) Chinese herbal medicine is carried out at 310 DEG C parch 60min, then by the Chinese herbal medicine after parch and 240 DEG C
Water is carried out decoct 6h, cross leaching filtrate with prepared extracts of Chinese herbal medicine；Wherein, Chinese herbal medicine include Herba Schizonepetae,
Endothelium Corneum Gigeriae Galli, Radix Asparagi, Rhizoma Smilacis Glabrae, Herba Commelinae, Radix Asteris, Fructus Aurantii Immaturus, Flos Magnoliae, Semen Lepidii (Semen Descurainiae) and Herba Aristolochiae, and
And, Herba Schizonepetae, Endothelium Corneum Gigeriae Galli, Radix Asparagi, Rhizoma Smilacis Glabrae, Herba Commelinae, Radix Asteris, Fructus Aurantii Immaturus, Flos Magnoliae, Semen Lepidii (Semen Descurainiae),
Herba Aristolochiae is 100:61:84:48:38:69:56:36:28:67:1000 with the weight ratio of water.
2) by bentonite, diazol (diazonium tetrafluoroborate), tributyl tin, triethyl group silicon, organic
Solvent (propanol) mixes according to the weight ratio of 100:95:46:22:500 and is incorporated in pH is 12,90 DEG C
Under conditions of carry out haptoreaction 10h, then cross leaching filter cake with prepared modified active thing.
3) by natural rubber, silicon powder, N-cyclohexyl-4-aminodiphenylamine, ditertbutylparacresol,
Lignin, urea phosphate, 2-methyl anthracene, methyl tertiary butyl ether(MTBE), trimethoprim, MTES,
Ammoniumchromic alum, extracts of Chinese herbal medicine and modified active thing are according to 100:17:31:44:15:34:3:85:
The weight ratio of 27:67:17:61:24 is mixed to be incorporated in mixing 12h at 160 DEG C and makes rubber master batch；
4) by vulcanizing agent (2,4-dichloride benzoyl peroxide), sulfur and rubber master batch according to 0.8:14:100
Weight ratio mixed be incorporated in 170 DEG C and 12Mpa under conditions of carry out primary vulcanization and process 20min；
5) rubber master batch after primary vulcanization is carried out in the baking oven of 220 DEG C second time and vulcanize 5h to make
Antibacterial rubber A3 for automotive back door wire harness.
Comparative example 1
Carry out preparing rubber B1, except for the difference that, step 1 according to the method for embodiment 1) in do not use chaste tree
Mustard, Endothelium Corneum Gigeriae Galli, Radix Asparagi, Rhizoma Smilacis Glabrae and Herba Commelinae.
Comparative example 2
Carry out preparing rubber B2, except for the difference that, step 1 according to the method for embodiment 1) in do not use purple
Aster, Fructus Aurantii Immaturus, Flos Magnoliae, Semen Lepidii (Semen Descurainiae) and Herba Aristolochiae.
Comparative example 3
Carry out preparing rubber B3, except for the difference that, step 2 according to the method for embodiment 1) in do not use weight
Nitrogen salt.
Comparative example 4
Carry out preparing rubber B4, except for the difference that, step 2 according to the method for embodiment 1) in do not use three
Butyl tin.
Comparative example 5
Carry out preparing rubber B5, except for the difference that, step 2 according to the method for embodiment 1) in do not use three
Ethyl silicon.
Comparative example 6
Carry out preparing rubber B6, except for the difference that, step 3 according to the method for embodiment 1) in do not use
Medical herbs extracting solution.
Comparative example 7
Carry out preparing rubber B7, except for the difference that, step 3 according to the method for embodiment 1) in do not use and change
Property activator.
Detection example 1
The hot strength σ t of above-mentioned rubber is detected at 25 DEG C1/ MPa, is then placed in 150 DEG C by above-mentioned rubber
In the environment of stand 3 days and detect hot strength σ t2/ MPa, concrete outcome is shown in Table 1.
Detection example 2
Above-mentioned rubber is placed in temperature be 60 DEG C and relative humidity be 60% be in the environment of stand 3 days also
Clump count (the cfu/cm of detection rubber surface2), concrete outcome is shown in Table 1.
Table 1
| σt1/MPa | σt2/MPa | Clump count (cfu/cm2) | |
| A1 | 47 | 45 | 6 |
| A2 | 46 | 43 | 7 |
| A3 | 45 | 42 | 6 |
| B1 | 30 | 20 | 14 |
| B2 | 29 | 24 | 15 |
| B3 | 33 | 26 | 14 |
| B4 | 35 | 28 | 15 |
| B5 | 34 | 26 | 16 |
| B6 | 37 | 31 | 18 |
| B7 | 34 | 27 | 15 |
By above-described embodiment, comparative example and detection example, the present invention provide for automotive back door
The antibacterial rubber of wire harness has the mechanical property of excellence, high temperature resistant and anti-microbial property.
The preferred embodiment of the present invention described in detail above, but, the present invention is not limited to above-mentioned reality
Execute the detail in mode, in the technology concept of the present invention, can be to the technical side of the present invention
Case carries out multiple simple variant, and these simple variant belong to protection scope of the present invention.
It is further to note that each the concrete technology described in above-mentioned detailed description of the invention is special
Levy, in the case of reconcilable, can be combined by any suitable means, in order to avoid need not
The repetition wanted, various possible compound modes are illustrated by the present invention the most separately.
Additionally, combination in any can also be carried out between the various different embodiment of the present invention, as long as its
Without prejudice to the thought of the present invention, it should be considered as content disclosed in this invention equally.
Claims (10)
1. the preparation method for the antibacterial rubber of automotive back door wire harness, it is characterised in that institute
State preparation method to include:
1) Chinese herbal medicine is carried out parch, then by the described Chinese herbal medicine after parch and water being carried out decoct,
Filter with prepared extracts of Chinese herbal medicine；
2) by bentonite, diazol, tributyl tin, triethyl group silicon under the conditions of organic solvent and alkalescence
Carry out haptoreaction, then filter with prepared modified active thing；
3) by natural rubber, silicon powder, N-cyclohexyl-4-aminodiphenylamine, ditertbutylparacresol,
Lignin, urea phosphate, 2-methyl anthracene, methyl tertiary butyl ether(MTBE), trimethoprim, MTES,
Ammoniumchromic alum, extracts of Chinese herbal medicine and modified active thing is mixing makes rubber master batch；
4) by vulcanizing agent, sulfur and described milling maternal rubber to carry out primary vulcanization process；
5) the described rubber master batch after primary vulcanization carries out second time to vulcanize to make for automotive back door
The antibacterial rubber of wire harness；
Wherein, described Chinese herbal medicine include Herba Schizonepetae, Endothelium Corneum Gigeriae Galli, Radix Asparagi, Rhizoma Smilacis Glabrae, Herba Commelinae, Radix Asteris,
Fructus Aurantii Immaturus, Flos Magnoliae, Semen Lepidii (Semen Descurainiae) and Herba Aristolochiae.
Preparation method the most according to claim 1, wherein, in step 1) in, relative to 100
The described Herba Schizonepetae of weight portion, the consumption of described Endothelium Corneum Gigeriae Galli is 55-61 weight portion, and the consumption of described Radix Asparagi is
71-84 weight portion, the consumption of described Rhizoma Smilacis Glabrae is 41-48 weight portion, and the consumption of described Herba Commelinae is 22-38
Weight portion, the consumption of described Radix Asteris is 55-69 weight portion, and the consumption of described Fructus Aurantii Immaturus is 47-56 weight portion,
The consumption of described Flos Magnoliae is 29-36 weight portion, and the consumption of described Semen Lepidii (Semen Descurainiae) is 17-28 weight portion, described
The consumption of Herba Aristolochiae is 56-67 weight portion, and the consumption of described water is 800-1000 weight portion.
Preparation method the most according to claim 2, wherein, in step 1) in, described in be fried to
Meeting following condition less: parch temperature is 270-310 DEG C, the parch time is 40-60min；
Preferably, in step 1) in, described decoction at least meets following condition: decocting temperature is
210-240 DEG C, decocting time is 4-6h.
4. according to the preparation method described in any one in claim 1-3, wherein, in step 2) in,
Relative to the described bentonite of 100 weight portions, the consumption of described diazol is 82-95 weight portion, described
The consumption of tributyl tin is 29-46 weight portion, and the consumption of described triethyl group silicon is 10-22 weight portion, institute
The consumption stating organic solvent is 300-500 weight portion.
Preparation method the most according to claim 4, wherein, in step 2) in, described contact is anti-
Should at least meet following condition: reaction temperature is 75-90 DEG C, the response time is 7-10h；
Preferably, in step 2) in, described diazol is selected from Diazosalt of sulfanilic acid, to nitro
One or more in fluorine boronation diazol, single sweep polarographic wave and diazonium tetrafluoroborate；
It is highly preferred that described organic solvent is selected from Methanamide, ethylene glycol, methylformamide, ethanol and third
One or more in alcohol.
Preparation method the most according to claim 4, wherein, in step 3) in, relative to 100
The described natural rubber of weight portion, the consumption of described silicon powder is 13-17 weight portion, described N-cyclohexyl
The consumption of-4-aminodiphenylamine is 24-31 weight portion, and the consumption of described ditertbutylparacresol is
35-44 weight portion, the consumption of described lignin is 8-15 weight portion, and the consumption of described urea phosphate is 27-34
Weight portion, the consumption of described 2-methyl anthracene is 1-3 weight portion, and the consumption of described methyl tertiary butyl ether(MTBE) is
75-85 weight portion, the consumption of described trimethoprim is 18-27 weight portion, described methyltriethoxy silane
The consumption of alkane is 55-67 weight portion, and the consumption of described ammoniumchromic alum is 10-17 weight portion, described Chinese herbal medicine
The consumption of extracting solution is 57-61 weight portion, and the consumption of described modified active thing is 17-24 weight portion；
Preferably, in step 3) in, described mixing at least meet following condition: melting temperature is
150-160 DEG C, mixing time is 8-12h.
7. according to the preparation method described in claim 5 or 6, wherein, in step 4) in, relative to
The described rubber master batch of 100 weight portions, the consumption of described vulcanizing agent is 0.2-0.8 weight portion, the use of described sulfur
Amount is 9-14 weight portion.
Preparation method the most according to claim 7, wherein, in step 4) in, described first time
Sulfuration meets following condition: curing temperature is 120-170 DEG C, and cure time is 15-20min, sulfuration pressure
Power is 10-12Mpa；
Preferably, in step 4) in, described vulcanizing agent is selected from dual-tert-butyl cumene hydroperoxide, mistake
One or more in oxidation diisopropyl benzene, benzoyl peroxide and 2,4-dichloride benzoyl peroxide.
Preparation method the most according to claim 8, wherein, in step 5) in, described second time
Sulfuration meets following condition: curing temperature is 210-220 DEG C, and cure time is 3-5h.
10. the antibacterial rubber for automotive back door wire harness, it is characterised in that described for automobile
The antibacterial rubber of back door wire harness is by the method preparation described in any one in claim 1-9
Become.
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| CN201610408880.5A CN105906857A (en) | 2016-06-13 | 2016-06-13 | Antibacterial rubber for automobile back door wire harnesses and preparation method thereof |
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| CN201610408880.5A CN105906857A (en) | 2016-06-13 | 2016-06-13 | Antibacterial rubber for automobile back door wire harnesses and preparation method thereof |
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