CN108659551A - A kind of automobile steering wheel cover and preparation method thereof of environmental protection - Google Patents
A kind of automobile steering wheel cover and preparation method thereof of environmental protection Download PDFInfo
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- 230000007613 environmental effect Effects 0.000 title claims abstract 12
- 238000002360 preparation method Methods 0.000 title claims abstract 11
- 229920002472 Starch Polymers 0.000 claims abstract 15
- 239000008107 starch Substances 0.000 claims abstract 15
- 235000019698 starch Nutrition 0.000 claims abstract 15
- 239000007788 liquid Substances 0.000 claims abstract 12
- 230000003647 oxidation Effects 0.000 claims abstract 8
- 238000007254 oxidation reaction Methods 0.000 claims abstract 8
- 240000002853 Nelumbo nucifera Species 0.000 claims abstract 7
- 235000006508 Nelumbo nucifera Nutrition 0.000 claims abstract 7
- 235000006510 Nelumbo pentapetala Nutrition 0.000 claims abstract 7
- 230000000844 anti-bacterial effect Effects 0.000 claims abstract 5
- 239000003814 drug Substances 0.000 claims abstract 5
- 239000010881 fly ash Substances 0.000 claims abstract 5
- 238000001746 injection moulding Methods 0.000 claims abstract 5
- 239000000203 mixture Substances 0.000 claims abstract 5
- PEDCQBHIVMGVHV-UHFFFAOYSA-N Glycerine Chemical compound OCC(O)CO PEDCQBHIVMGVHV-UHFFFAOYSA-N 0.000 claims abstract 4
- CDBYLPFSWZWCQE-UHFFFAOYSA-L Sodium Carbonate Chemical compound [Na+].[Na+].[O-]C([O-])=O CDBYLPFSWZWCQE-UHFFFAOYSA-L 0.000 claims abstract 4
- 235000017166 Bambusa arundinacea Nutrition 0.000 claims abstract 3
- 235000017491 Bambusa tulda Nutrition 0.000 claims abstract 3
- 244000082204 Phyllostachys viridis Species 0.000 claims abstract 3
- 235000015334 Phyllostachys viridis Nutrition 0.000 claims abstract 3
- 239000004113 Sepiolite Substances 0.000 claims abstract 3
- 239000011425 bamboo Substances 0.000 claims abstract 3
- 239000000701 coagulant Substances 0.000 claims abstract 3
- 239000010883 coal ash Substances 0.000 claims abstract 3
- 238000000227 grinding Methods 0.000 claims abstract 3
- 239000000463 material Substances 0.000 claims abstract 3
- 229910052624 sepiolite Inorganic materials 0.000 claims abstract 3
- 235000019355 sepiolite Nutrition 0.000 claims abstract 3
- 238000003756 stirring Methods 0.000 claims abstract 3
- KZDCPJDWDXMJRA-UHFFFAOYSA-N 2-hydroxybutanoic acid;pentanoic acid Chemical compound CCCCC(O)=O.CCC(O)C(O)=O KZDCPJDWDXMJRA-UHFFFAOYSA-N 0.000 claims abstract 2
- 235000017060 Arachis glabrata Nutrition 0.000 claims abstract 2
- 244000105624 Arachis hypogaea Species 0.000 claims abstract 2
- 235000010777 Arachis hypogaea Nutrition 0.000 claims abstract 2
- 235000018262 Arachis monticola Nutrition 0.000 claims abstract 2
- 229920001634 Copolyester Polymers 0.000 claims abstract 2
- 238000001816 cooling Methods 0.000 claims abstract 2
- 229920001971 elastomer Polymers 0.000 claims abstract 2
- 239000000806 elastomer Substances 0.000 claims abstract 2
- 239000000835 fiber Substances 0.000 claims abstract 2
- 235000011187 glycerol Nutrition 0.000 claims abstract 2
- 238000010884 ion-beam technique Methods 0.000 claims abstract 2
- 235000020232 peanut Nutrition 0.000 claims abstract 2
- 229920000656 polylysine Polymers 0.000 claims abstract 2
- 239000000843 powder Substances 0.000 claims abstract 2
- 102000004169 proteins and genes Human genes 0.000 claims abstract 2
- 108090000623 proteins and genes Proteins 0.000 claims abstract 2
- 229910000029 sodium carbonate Inorganic materials 0.000 claims abstract 2
- 235000013336 milk Nutrition 0.000 claims 8
- 239000008267 milk Substances 0.000 claims 8
- 210000004080 milk Anatomy 0.000 claims 8
- MHAJPDPJQMAIIY-UHFFFAOYSA-N Hydrogen peroxide Chemical compound OO MHAJPDPJQMAIIY-UHFFFAOYSA-N 0.000 claims 4
- 239000000706 filtrate Substances 0.000 claims 4
- 244000247747 Coptis groenlandica Species 0.000 claims 3
- 235000002991 Coptis groenlandica Nutrition 0.000 claims 3
- 240000003152 Rhus chinensis Species 0.000 claims 3
- 235000014220 Rhus chinensis Nutrition 0.000 claims 3
- 239000002956 ash Substances 0.000 claims 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims 3
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 claims 2
- 240000004980 Rheum officinale Species 0.000 claims 2
- 235000008081 Rheum officinale Nutrition 0.000 claims 2
- 239000007864 aqueous solution Substances 0.000 claims 2
- 239000012043 crude product Substances 0.000 claims 2
- 239000011790 ferrous sulphate Substances 0.000 claims 2
- 235000003891 ferrous sulphate Nutrition 0.000 claims 2
- 238000001914 filtration Methods 0.000 claims 2
- BAUYGSIQEAFULO-UHFFFAOYSA-L iron(2+) sulfate (anhydrous) Chemical compound [Fe+2].[O-]S([O-])(=O)=O BAUYGSIQEAFULO-UHFFFAOYSA-L 0.000 claims 2
- 229910000359 iron(II) sulfate Inorganic materials 0.000 claims 2
- 239000000243 solution Substances 0.000 claims 2
- VTYYLEPIZMXCLO-UHFFFAOYSA-L Calcium carbonate Chemical compound [Ca+2].[O-]C([O-])=O VTYYLEPIZMXCLO-UHFFFAOYSA-L 0.000 claims 1
- 244000131316 Panax pseudoginseng Species 0.000 claims 1
- 235000005035 Panax pseudoginseng ssp. pseudoginseng Nutrition 0.000 claims 1
- 235000003140 Panax quinquefolius Nutrition 0.000 claims 1
- 241000219061 Rheum Species 0.000 claims 1
- 235000009411 Rheum rhabarbarum Nutrition 0.000 claims 1
- BLRPTPMANUNPDV-UHFFFAOYSA-N Silane Chemical compound [SiH4] BLRPTPMANUNPDV-UHFFFAOYSA-N 0.000 claims 1
- 241001417490 Sillaginidae Species 0.000 claims 1
- 238000005703 Whiting synthesis reaction Methods 0.000 claims 1
- 239000006286 aqueous extract Substances 0.000 claims 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims 1
- 238000000498 ball milling Methods 0.000 claims 1
- 238000006243 chemical reaction Methods 0.000 claims 1
- 239000003795 chemical substances by application Substances 0.000 claims 1
- 238000010411 cooking Methods 0.000 claims 1
- 239000008367 deionised water Substances 0.000 claims 1
- 229910021641 deionized water Inorganic materials 0.000 claims 1
- 238000001035 drying Methods 0.000 claims 1
- 239000000469 ethanolic extract Substances 0.000 claims 1
- 235000008434 ginseng Nutrition 0.000 claims 1
- 238000010438 heat treatment Methods 0.000 claims 1
- 238000002347 injection Methods 0.000 claims 1
- 239000007924 injection Substances 0.000 claims 1
- 239000001301 oxygen Substances 0.000 claims 1
- 229910052760 oxygen Inorganic materials 0.000 claims 1
- BHZRJJOHZFYXTO-UHFFFAOYSA-L potassium sulfite Chemical compound [K+].[K+].[O-]S([O-])=O BHZRJJOHZFYXTO-UHFFFAOYSA-L 0.000 claims 1
- 235000019252 potassium sulphite Nutrition 0.000 claims 1
- 238000004321 preservation Methods 0.000 claims 1
- 230000035484 reaction time Effects 0.000 claims 1
- 229910000077 silane Inorganic materials 0.000 claims 1
- 239000002893 slag Substances 0.000 claims 1
- 239000006087 Silane Coupling Agent Substances 0.000 abstract 1
- 230000003115 biocidal effect Effects 0.000 abstract 1
- 238000002156 mixing Methods 0.000 abstract 1
Classifications
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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
- C08L89/00—Compositions of proteins; Compositions of derivatives thereof
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08B—POLYSACCHARIDES; DERIVATIVES THEREOF
- C08B31/00—Preparation of derivatives of starch
- C08B31/18—Oxidised starch
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L67/00—Compositions of polyesters obtained by reactions forming a carboxylic ester link in the main chain; Compositions of derivatives of such polymers
- C08L67/04—Polyesters derived from hydroxycarboxylic acids, e.g. lactones
-
- 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
- C08K3/24—Acids; Salts thereof
- C08K3/26—Carbonates; Bicarbonates
- C08K2003/265—Calcium, strontium or barium carbonate
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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
- C08K2201/00—Specific properties of additives
- C08K2201/002—Physical properties
- C08K2201/003—Additives being defined by their diameter
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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
- C08K2201/00—Specific properties of additives
- C08K2201/011—Nanostructured additives
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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
- C08K2201/00—Specific properties of additives
- C08K2201/014—Additives containing two or more different additives of the same subgroup in C08K
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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
- C08L2205/03—Polymer mixtures characterised by other features containing three or more polymers in a blend
- C08L2205/035—Polymer mixtures characterised by other features containing three or more polymers in a blend containing four or more polymers in a blend
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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
- C08L2205/14—Polymer mixtures characterised by other features containing polymeric additives characterised by shape
- C08L2205/16—Fibres; Fibrils
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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
- C08L2207/00—Properties characterising the ingredient of the composition
- C08L2207/04—Thermoplastic elastomer
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- Chemical Kinetics & Catalysis (AREA)
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- Polymers & Plastics (AREA)
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- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Biochemistry (AREA)
- Materials Engineering (AREA)
- Agricultural Chemicals And Associated Chemicals (AREA)
Abstract
The present invention provides a kind of automobile steering wheel cover and preparation method thereof of environmental protection, it heats while stirring obtained first mixture including will pass through ball mill grinding and be mixed into flyash coagulant liquid in specific proportions using the ion beam modified coal ash that is modified of irradiation and sodium carbonate liquor, then with Chinese medicine antibacterial liquid；After ramee, oxidation lotus seed starch and silane coupling agent are mixed, injection molding machine is put into after mixing with peanut protein powder, hydroxybutyric acid valeric acid copolyesters, glycerine, TPE elastomer, bamboo fibre and sepiolite again together to carry out heats liquefied obtaining material liquid, the mold cavity of the automobile steering wheel cover of environmental protection is mixed and injected with ε polylysines and the first mixture again, it is cooled and shaped by the cooling system of injection molding machine, obtains environmentally friendly automobile steering wheel cover.The present invention can be made with durable antibiotic performance and the automobile steering wheel cover of degradable environmental protection.
Description
Technical field
The present invention relates to field of automobile decoration more particularly to a kind of automobile steering wheel covers and preparation method thereof of environmental protection.
Background technology
Automobile steering wheel cover refers to the cover of set on the steering wheel, has very strong decorative and practicability, can avoid
Direction mill damage enhances the feel of steering wheel, absorbs and reduces vehicle body vibrations, avoid steering wheel from skidding, increase vehicle body when driving
Sensitivity and safety.
It is well known that in entire driving procedure, the hand of driver and the contact of steering wheel are the most frequent, and due to it is long when
Between energy concentrate, add the influence of temperature, driver in driving procedure usually can the palm of the hand perspiration, accumulated when the sweat of generation is long
On direction indicators cover, it is easy to make the bacteria breed of direction indicators cover, generates peculiar smell, accelerate the corrosion of steering wheel.Not according to hygiene department
It counts completely, the bacterial adsorption that there are numbers in terms of necessarily on existing direction indicators cover.To remove the bacterium on direction indicators cover, merely
It is difficult to reach removing purpose by wet cloth or simple alcohol disinfecting, typically only by high-temperature sterilization or disinfection by ultraviolet light, still
Since existing steering wheel is fixed on vehicle, and existing circumferential direction disk set, elasticity are poor, and opening design is tight, causes to pacify
Dress and disassembly, cleaning are inconvenient；Meanwhile the use PVC material that the steering wheel of the prior art is cased with, feel is poor, holds appearance for a long time
Fatiguability, it is often more important that environmental-protecting performance is poor, and some uses pure rubber material, and smell is big, does not meet present automobile odor standards,
It is harmful to health of human body and is difficult to be degraded by microorganisms and cause environmental pollution.
As an improvement, the Chinese patent that number of patent application is 201610441216 .0 discloses a kind of " konjaku glucomannan
Automobile steering wheel cover and preparation method ", using the antibiotic property of konjaku glucomannan to improve the anti-microbial property of direction indicators cover, on
Although stating patent to a certain extent improves the antibiotic property of automobile steering wheel cover and contribute to biodegradation, antibacterial effect has
It limiting and the persistence of antibacterial effect is poor, antibacterial effect reduces comparatively fast, but a vehicle steering wheel can use 1 ~ 2 year or so,
And the antibiotic property of this wear-resisting direction indicators cover of antibacterial can only continue 3 ~ 6 months or so, the later stage uses process, can not meet antibacterial
It is required that.
Invention content
In view of this, the purpose of the present invention is to provide a kind of environmentally friendly automobile steering wheel covers with durable antibiotic performance
And preparation method thereof.
To achieve the goals above, the technical solution adopted by the present invention one is：
A kind of preparation method of the automobile steering wheel cover of environmental protection, includes the following steps：
Step 1：Ion beam irradiation will be carried out by the flyash of ball mill grinding, modified coal ash is obtained, by modified coal ash
It is configured to mixed liquor by 1.0 ~ 2.0 solid-to-liquid ratio with the sodium carbonate liquor of 3mol/L, is subsequently placed in microwave reactor and carries out instead
It answers, obtains flyash coagulant liquid；
Step 2：20 ~ 30 parts by weight Chinese medicine antibacterial liquid are added in the flyash coagulant liquid of 20 ~ 30 parts by weight steps 1, in 30 ~
10 ~ 20min is stirred with the speed of 200 ~ 500r/min in 50 DEG C of bath temperature, obtains the first mixture；
Step 3：15 ~ 20 parts by weight ramees, 3 ~ 5 parts by weight oxidation lotus seed starch and 1.5 ~ 2.0 parts by weight are silane coupled
Agent stirs 5 ~ 10min with the speed of 100 ~ 200r/min, then sequentially adds 60 ~ 70 parts by weight peanut protein powders, 60 ~ 70 weight
Part hydroxybutyric acid valeric acid copolyesters, 8 ~ 10 parts by weight of glycerin, 8 ~ 10 parts by weight TPE elastomers, 3 ~ 4 parts by weight bamboo fibres and 7 ~ 8
It after parts by weight sepiolite stirs 5 ~ 10min, puts into injection molding machine, the heating temperature for adjusting injection molding machine is 150 ~ 180 DEG C, heat preservation
5 ~ 6h, obtains material liquid, then injection ring after the first mixture of material liquid, 5 ~ 8 parts by weight epsilon-polylysines and step 2 is mixed
The mold cavity of the automobile steering wheel cover of guarantor is cooled and shaped by the cooling system of injection molding machine, takes out, obtain the vapour of the environmental protection
Vehicle direction indicators cover,
Wherein, the Chinese medicine antibacterial liquid is the Aqueous extracts and coptis lime-ash, hardship of coptis lime-ash, kuh-seng, Chinese gall, radix scutellariae and rheum officinale
Ginseng, Chinese gall, radix scutellariae and rhubarb ethanol-extract mixed liquor.
Further, it is added between bamboo fibre and sepiolite in step 3,5 ~ 8 parts by weight oyster shell whitings can also be added.
Further, the Chinese medicine antibacterial liquid is made by following preparation method：By etc. the coptis lime-ash of quality, hardship
Ginseng, Chinese gall, radix scutellariae and rheum officinale mixing, put into water together after cooking 20 ~ 30min in 70 ~ 80 DEG C, and filtering obtains first
Filtrate and the first filter residue, be then added into the first filter residue the ethanol solution that volumetric concentration is 70% cook 20 in 50 ~ 60 DEG C ~
After 30min, filtering obtains the second filtrate and the second filter residue, and the first filtrate and the second filtrate are mixed to get the Chinese medicine antibacterial
Liquid.
Further, the average grain diameter of the flyash by ball mill grinding is 20 ~ 40nm.
Further, the microwave parameters of microwave reactor are set as in step 1：40 ~ 50 DEG C of temperature, 500 ~ 600r/ of rotating speed
15 ~ 20min of min and reaction time.
Further, the oxidation lotus seed starch is made by following preparation method：With deionized water by lotus seed starch
It is configured to the starch milk of 30 ~ 50wt%, be subsequently added into the ferrous sulfate aqueous solution that mass fraction is 1 ~ 1.5% and adjusts starch milk
PH value between 8 ~ 9, be then added the hydrogen peroxide that mass fraction is 20 ~ 25% be placed in 40 ~ 45 DEG C of water bath with thermostatic control reaction 4 ~
5h, the starch milk after being aoxidized；Starch milk after oxidation is taken out and is cooled to 30 DEG C hereinafter, and adjusting the starch milk after oxidation
PH value to 6, then be added dropwise mass fraction be 3% potassium sulfite solution until oxidation after starch milk pH value 7 ~ 7.5 it
Between, obtain oxidation lotus seed starch crude product；By oxidation lotus seed starch crude product through being filtered, washed, drying, crush, sieve, obtain
The oxidation lotus seed starch, wherein the dosage of ferrous sulfate aqueous solution is the 0.5 ~ 0.8% of starch milk quality；The dosage of hydrogen peroxide
It is the 1 ~ 1.5% of starch milk quality.
The advantageous effect of above-mentioned technical proposal one is：（1）The present invention is irradiated using ion beam to flyash modified, and is utilized
It is anti-in Chinese medicine antibacterial liquid to adsorb that the excitation of sodium carbonate activity excitant forms it into the aluminosilicate gels with three-dimensional web structure
Bacterium active material so that antibacterial substance is fixed in the network architecture, and antibacterial substance is slowly released, to reach
To the purpose of sustained anti-microbial, and ramee, bamboo fibre and epsilon-polylysine are added in the feed to further increase automobile
The antibiotic property of direction indicators cover；（2）The present invention using hydroxybutyric acid valeric acid copolyesters PHBV and peanut protein powder as major ingredient, then with other
Raw material cooperation bonds the automobile steering wheel cover for being prepared into environmental protection, makes the automobile steering wheel cover of the present invention using after abandoned, can be
Under the action of microorganism, it is degraded to carbon dioxide and water（Abandoned 60 days can be degradable at carbon dioxide and water）, more ring
It protects；（3）The present invention is main antibacterial material by adding Chinese medicine antibacterial liquid, and is aided with the poly- bad ammonia of ramee, bamboo fibre and ε-
Acid, antibacterial material are pure plant origin, are free of any chemical addition agent, safe to the human body nontoxic to no skin irritation；
（4）The tensile resistance and tearing-resistant performance of vehicle steering wheel of the present invention are good.
To achieve the goals above, the technical solution adopted by the present invention two is：
A kind of automobile steering wheel cover of the environmental protection prepared according to above-mentioned preparation method.
The advantageous effect of above-mentioned technical proposal two is：The automobile steering wheel cover of the environmental protection of the present invention has lasting antibacterial
Property, and tensile resistance and tearing-resistant performance are good, meanwhile, it can be degraded to dioxy under the action of microorganism after being dropped
Change carbon and water, it is more environmentally-friendly.
Specific implementation mode
With reference to specific embodiment, that the present invention is described further is as follows：
A kind of preparation method of the automobile steering wheel cover of environmental protection provided by the invention, includes the following steps：
Step 1：Ion beam irradiation will be carried out by the flyash of ball mill grinding, modified coal ash is obtained, by modified coal ash
It is configured to mixed liquor by 1.0 ~ 2.0 solid-to-liquid ratio with the sodium carbonate liquor of 3mol/L, is subsequently placed in microwave reactor and carries out instead
It answers, obtains flyash coagulant liquid；
Step 2：20 ~ 30 parts by weight Chinese medicine antibacterial liquid are added in the flyash coagulant liquid of 20 ~ 30 parts by weight steps 1, in 30 ~
10 ~ 20min is stirred with the speed of 200 ~ 500r/min in 50 DEG C of bath temperature, obtains the first mixture；
Step 3：15 ~ 20 parts by weight ramees, 3 ~ 5 parts by weight oxidation lotus seed starch and 1.5 ~ 2.0 parts by weight are silane coupled
Agent stirs 5 ~ 10min with the speed of 100 ~ 200r/min, then sequentially adds 60 ~ 70 parts by weight peanut protein powders, 60 ~ 70 weight
Part hydroxybutyric acid valeric acid copolyesters, 8 ~ 10 parts by weight of glycerin, 8 ~ 10 parts by weight TPE elastomers, 3 ~ 4 parts by weight bamboo fibres and 7 ~ 8
It after parts by weight sepiolite stirs 5 ~ 10min, puts into injection molding machine, the heating temperature for adjusting injection molding machine is 150 ~ 180 DEG C, heat preservation
5 ~ 6h, obtains material liquid, then injection ring after the first mixture of material liquid, 5 ~ 8 parts by weight epsilon-polylysines and step 2 is mixed
The mold cavity of the automobile steering wheel cover of guarantor is cooled and shaped by the cooling system of injection molding machine, takes out, obtain the vapour of the environmental protection
Vehicle direction indicators cover,
Wherein, the Chinese medicine antibacterial liquid is the Aqueous extracts and coptis lime-ash, hardship of coptis lime-ash, kuh-seng, Chinese gall, radix scutellariae and rheum officinale
Ginseng, Chinese gall, radix scutellariae and rhubarb ethanol-extract mixed liquor.
After wherein coptis lime-ash is dried for coptis fresh goods, " playing slot cage " (removing fibrous radix of coptis, petiole, epidermis and silt etc.)
The waste removed in the process, i.e. its main component are fibrous radix of coptis and coptis cauline leaf, the study found that fibrous radix of coptis and cauline leaf contain greatly
The alkaloid activity ingredient of amount has good antibacterial and anti-inflammation functions, but the utilization at present about coptis lime-ash are rare
Report develops the technology of antibacterial automobile steering wheel cover especially with coptis lime-ash and product has not been reported.
Specifically, working principle of the present invention is as follows：
In the present invention, coptis lime-ash main component is fibrous radix of coptis and coptis cauline leaf, and studies and find that fibrous radix of coptis and cauline leaf contain greatly
The alkaloid activity ingredient of amount has good antibacterial and anti-inflammation functions；Kuh-seng bitter, cold in nature, the work(with heat-clearing and damp-drying drug, desinsection
Effect plays synergistic effect with coptis lime-ash, and Chinese gall, radix scutellariae and rheum officinale simultaneously have staphylococcus aureus and Escherichia coli
Antibacterial action also has antibacterial action, above-mentioned a few herbs to share Pseudomonas aeruginosa and Candida albicans, can significantly increase drug effect,
Its antimicrobial mechanism is mainly cell wall, the membrane passage for destroying bacterium, so that cellular content is leaked out, and then reach antibacterial
Purpose, Chinese medicine antibacterial liquid of the invention have good antibacterial property energy, it may have good skin-friendly, but it is directly added
To general-utility car direction indicators cover in preparing raw material together, then plastics prepare pyroprocess in be easily destroyed, meanwhile, be easy
Volatilization, the action time of antibacterial is short, and lasting effect is poor；
And present inventor creatively has found the work so that the grain size of flyash becomes smaller using ball mill grinding flyash
Property improve, recycle ion beam the flyash after grinding is irradiated under specific combination parameter, by making vitreous surface
Firm protective film rupture, to reach the vitreous structure for destroying flyash, so that internal silica and aluminium oxide is disconnected
Key aggravates, and activating component increases, and improves the chemism of flyash；Modified flyash and sodium carbonate activity excitant is molten
Liquid mixes, Si-O the and Al-O keys of particle surface in flyash can be made to be broken and change structure, and formed by cohesion
Three-dimensional net structure so that specific surface area effectively increases to improve its adsorption capacity, can will be in more Chinese medicine antibacterial liquid it is anti-
Bacterium active material is adsorbed onto in three-dimensional net structure, while its interlamellar spacing increases, and makes the polymerization between silicate gel and silicic acid
Aluminium is easier to occur with polymerizeing for the antibacterial substance in Chinese medicine antibacterial liquid, plays the role of fixed antibacterial substance, makes
The antibacterial substance obtained in Chinese medicine antibacterial liquid is released slowly, to achieve the purpose that sustained anti-microbial, meanwhile, add fine coal
Ash can also improve the gas permeability of the automobile steering wheel cover of final environmental protection；Hydroxybutyric acid valeric acid copolyesters PHBV is to utilize Bacillus alcaligenes
Belong to bacterium and sugar and organic acid are manufactured into biodegradable plastics, the present invention is with hydroxybutyric acid valeric acid copolyesters PHBV and peanut
Albumen powder is major ingredient, makes the automobile steering wheel cover of the present invention using after abandoned, can be degraded to two under the action of microorganism
Carbonoxide and water, meanwhile, also it is added with ramee, oxidation lotus seed starch and bamboo fibre in raw material of the invention, three and the
One mixture forms space frame structure in major ingredient, effectively increase the present invention automobile steering wheel cover tensile resistance and
Impact resistance, and giving repeated exhortations since ramee contains, the trace elements such as pyrimidine, purine, to staphylococcus aureus and big
Enterobacteria can play certain inhibition, and the sustainability of sterilization effect is strong, be tied with bamboo fibre and epsilon-polylysine three
It closes, the anti-microbial property of automobile steering wheel cover can not only be further strengthened, additionally aid and further extend antibacterial time, change simultaneously
The wearability and gas permeability of kind automobile steering wheel cover, and aoxidize lotus seed starch and silane coupling agent is added in raw material together makes this hair
In bright, make ramee, sepiolite, the first mixture and the compatible grafting of Organic Ingredients in the present invention, improve each raw material it
Between compatibility, and the tear-resistant of product can also further be improved by adding sepiolite and flyash in raw material of the present invention and interacting
Performance.
As can be seen from the above description, the invention has the advantages that：（1）The present invention is irradiated using ion beam to flyash
It is modified, and form it into the aluminosilicate gels with three-dimensional web structure using the excitation of sodium carbonate activity excitant and resisted with adsorbing Chinese medicine
Antibacterial substance in bacterium solution so that antibacterial substance is fixed in the network architecture, and antibacterial substance is slowly released
It releases, to achieve the purpose that sustained anti-microbial, and adds ramee, bamboo fibre and epsilon-polylysine in the feed with into one
Step improves the antibiotic property of automobile steering wheel cover；（2）The present invention is based on hydroxybutyric acid valeric acid copolyesters PHBV and peanut protein powder
Material, then the automobile steering wheel cover for being prepared into environmental protection is bonded with the cooperation of other raw materials, so that the automobile steering wheel cover of the present invention is used quilt
After abandonment, carbon dioxide and water can be degraded under the action of microorganism（Abandoned 60 days can be degradable at carbon dioxide
And water）, more environmentally friendly；（3）The present invention is main antibacterial material by adding Chinese medicine antibacterial liquid, and is aided with ramee, bamboo fibre
And epsilon-polylysine, antibacterial material are pure plant origin, any chemical addition agent are free of, to no skin irritation, to human body
It is safe and non-toxic；（4）The tensile resistance and tearing-resistant performance of vehicle steering wheel of the present invention are good.
Further, it is added between bamboo fibre and sepiolite in step 3,5 ~ 8 parts by weight oyster shell whitings can also be added.
Seen from the above description, the constituent of oyster shell whiting is the calcified materials such as calcium carbonate, calcium oxide, calcium hydroxide, is fired
Oyster shell whiting have extremely strong antibacterial to the various bacteria including Escherichia coli, salmonella, yellow glucose fungus etc. and kill
Bacterium acts on, and has the function of anti-corrosion, mould proof, and therefore, environmentally friendly automobile can be further increased by adding a certain amount of oyster shell whiting
The anti-microbial property of direction indicators cover, meanwhile, oyster shell whiting sheet has absorption peculiar smell to achieve the purpose that eliminate peculiar smell as cellular, and
And oyster shell whiting contains natural chitin binder and active material, has preferable affinity with other components, with each component
Amalgamation is good, does not interfere with the tearing-resistant performance of the automobile steering wheel cover of environmental protection.
Further, the Chinese medicine antibacterial liquid is made by following preparation method：By etc. the coptis lime-ash of quality, hardship
Ginseng, Chinese gall, radix scutellariae and rheum officinale mixing, put into water together after cooking 20 ~ 30min in 70 ~ 80 DEG C, and filtering obtains first
Filtrate and the first filter residue, be then added into the first filter residue the ethanol solution that volumetric concentration is 70% cook 20 in 50 ~ 60 DEG C ~
After 30min, filtering obtains the second filtrate and the second filter residue, and the first filtrate and the second filtrate are mixed to get the Chinese medicine antibacterial
Liquid.
Seen from the above description, Chinese medicine antibacterial liquid of the invention from coptis lime-ash, kuh-seng, Chinese gall, radix scutellariae and rheum officinale
The best formula of bacteriostasis has been screened in different compatibility dosage, i.e., a few taste Chinese herbal medicine proportions are identical, and are carried first with water,
Alcohol extracting is recycled, then two kinds of extracting solutions are mixed to get Chinese medicine antibacterial liquid, it is ensured that the antipathogenic composition energy maximum limit of various Chinese herbal medicines
It is extracted in filtrate to degree, improves the utilization rate of Chinese medicine.
Further, the average grain diameter of the flyash by ball mill grinding is 20 ~ 40nm.
Seen from the above description, the average grain diameter control by flyash after ball mill grinding is in 20 ~ 40nm, to improve
The reactivity of flyash improves the Percentage bound of later stage flyash and antibacterial substance.
Further, the radiation parameters of step 1 intermediate ion beam irradiation are：Select nitrogen ion beam, energy range 5 ~
20keV, dosage is in the ions/cm of .0 × 1013 of 800 × 2 .0 × 1013~1000 × 22, irradiation time is 16 ~ 22min.
Seen from the above description, the vitreous structure that can accelerate to destroy flyash is implemented in above-mentioned parameter combination together, adds
The firm protective film rupture of fast vitreous surface, makes internal silica and the aggravation of aluminium oxide paragraph key, is effectively improved flyash
Chemism.
Further, the microwave parameters of microwave reactor are set as in step 1：40 ~ 50 DEG C of temperature, 500 ~ 600r/ of rotating speed
15 ~ 20min of min and reaction time.
Seen from the above description, above-mentioned parameter combination is implemented together, helps to shorten the reaction time.
Further, the oxidation lotus seed starch is made by following preparation method：With deionized water by lotus seed starch
It is configured to the starch milk of 30 ~ 50wt%, be subsequently added into the ferrous sulfate aqueous solution that mass fraction is 1 ~ 1.5% and adjusts starch milk
PH value between 8 ~ 9, be then added the hydrogen peroxide that mass fraction is 20 ~ 25% be placed in 40 ~ 45 DEG C of water bath with thermostatic control reaction 4 ~
5h, the starch milk after being aoxidized；Starch milk after oxidation is taken out and is cooled to 30 DEG C hereinafter, and adjusting the starch milk after oxidation
PH value to 6, then be added dropwise mass fraction be 3% potassium sulfite solution until oxidation after starch milk pH value 7 ~ 7.5 it
Between, obtain oxidation lotus seed starch crude product；By oxidation lotus seed starch crude product through being filtered, washed, drying, crush, sieve, obtain
The oxidation lotus seed starch, wherein the dosage of ferrous sulfate aqueous solution is the 0.5 ~ 0.8% of starch milk quality；The dosage of hydrogen peroxide
It is the 1 ~ 1.5% of starch milk quality.
Seen from the above description, lotus seed starch is aoxidized using the above method so that the portion in lotus seed starch molecule
Divide hydroxyl to be converted to carboxyl and carbonyl, while destroying the glycosidic bond in partial starch molecule, causes a certain amount of degradation of molecule, adopt
The amylose of lotus seed starch after aoxidizing in aforementioned manners is further enhanced, and aoxidizes film forming, the stabilization of lotus seed starch
Property and adhesive tension it is best, while its amylose content is high, helps to form certain Spatial infrastructure in the feed, contribute to
The tensile resistance and impact resistance of product are improved, meanwhile, for comparing other oxidants as oxidant using hydrogen peroxide,
Hydrogen peroxide is finally decomposed to water, does not interfere with environment, more environmentally-friendly.
The present invention also provides a kind of automobile steering wheel covers of the environmental protection prepared according to above-mentioned preparation method.
Several preferred embodiments or Application Example are enumerated again below, to help those skilled in the art to be better understood from this hair
The technical contribution that bright technology contents and the present invention are made compared with the existing technology：
Preparation example 1（The preparation of Chinese medicine antibacterial liquid of the present invention）
100g coptiss lime-ash, 100g kuh-sengs, 100g Chinese galls, 100g radix scutellariaes and 100g rheum officinales are mixed, put into 1L water together
After cooking 25min in 75 DEG C, filtering obtains the first filtrate and the first filter residue, and it is dense that 1L volumes are then added into the first filter residue
Degree for 70% ethanol solution after 55 DEG C cook 25min, filtering obtains the second filtrate and the second filter residue, by the first filtrate and the
Two filtrates are mixed to get the Chinese medicine antibacterial liquid（The loss of removal evaporation and filtering, obtains the Chinese medicine antibacterial liquid of 1L or so）.
Preparation example 2（The present invention aoxidizes the preparation of lotus seed starch）
Lotus seed starch is configured to the starch milk of 40wt% with deionized water, is subsequently added into the ferrous sulfate that mass fraction is 1.2%
Aqueous solution（Catalyst）And then the pH value for adjusting starch milk is added the hydrogen peroxide that mass fraction is 20% and is placed between 8 ~ 9
4.5h is reacted in 42.5 DEG C of water bath with thermostatic control, the starch milk after being aoxidized；Starch milk taking-up after oxidation is cooled to 30 DEG C
Hereinafter, and adjust oxidation after starch milk pH value to 6, then be added dropwise mass fraction be 3% potassium sulfite solution until oxidation after
Starch milk pH value between 7 ~ 7.5, obtain oxidation lotus seed starch crude product；Will oxidation lotus seed starch crude product through filtering,
Washing, dry, crushing, screening, obtain the oxidation lotus seed starch, wherein the dosage of ferrous sulfate aqueous solution is starch breast matter
The 0.7% of amount；The dosage of hydrogen peroxide is the 1.2% of starch milk quality.
Embodiment 1
A kind of preparation method of the automobile steering wheel cover of environmental protection, includes the following steps：
Step 1：By flyash（SiO in flyash2 Content be 30%, Al2O3 Content be 25%）It puts into ball mill and grinds
The average grain diameter for being milled to flyash is 20nm, will be put into ion beam irradiation apparatus, and setting energy is in 5keV, and dosage is 800
×2 .0×1013 ions/cm2, it selects nitrogen ion beam to irradiate 16min to the flyash in activity, obtains modified coal ash, it will
The sodium carbonate liquor of modified coal ash and 3mol/L are configured to mixed liquor by 1.0 solid-to-liquid ratio, are subsequently placed in microwave reactor
（Microwave parameters are set as：40 DEG C of temperature, rotating speed 500r/min）Reaction 15min is carried out, flyash coagulant liquid is obtained；
Step 2：By 20g Chinese medicine antibacterial liquid（1 gained Chinese medicine antibacterial liquid of preparation example）It is added to the flyash coagulant liquid of 20g steps 1
In, 20min is stirred with the speed of 200r/min in 30 DEG C of bath temperature, obtains the first mixture；
Step 3：15g ramees, 3g are aoxidized into lotus seed starch（The oxidation lotus seed starch of 2 gained of preparation example）It is even with 1.5g silane
Join agent and 5min stirred with the speed of 100r/min, then sequentially add 60g peanut protein powders, 60g hydroxybutyric acid valeric acids copolyesters,
After 80g glycerine, 8g TPE elastomers, 3g bamboo fibres, 5g oyster shell whitings and 7g sepiolites stirring 5min, puts into injection molding machine, adjust
The heating temperature of whole injection molding machine is 150 DEG C, keeps the temperature 5h, obtains material liquid, wait for that material liquid is cooled to 60 DEG C hereinafter, again by raw material
The mold cavity of the automobile steering wheel cover of environmental protection, warp are injected after the first mixture mixing of liquid, the epsilon-polylysine of 5g and step 2
The cooling system for crossing injection molding machine is cooled and shaped, and is taken out, is obtained the automobile steering wheel cover of the environmental protection.
Embodiment 2
A kind of preparation method of the automobile steering wheel cover of environmental protection, includes the following steps：
Step 1：By flyash（SiO in flyash2 Content be 30%, Al2O3 Content be 25%）It puts into ball mill and grinds
The average grain diameter for being milled to flyash is 40nm, will be put into ion beam irradiation apparatus, and in 20keV, dosage exists setting energy
1000×2 .0×1013 ions/cm2, select nitrogen ion beam to irradiate 22min to the flyash in activity, obtain modified fine coal
The sodium carbonate liquor of modified coal ash and 3mol/L are configured to mixed liquor by 2.0 solid-to-liquid ratio, are subsequently placed in microwave reaction by ash
In device（Microwave parameters are set as：Temperature 50 C, rotating speed 600r/min）Reaction 20min is carried out, flyash coagulant liquid is obtained；
Step 2：By 30g Chinese medicine antibacterial liquid（1 gained Chinese medicine antibacterial liquid of preparation example）It is added to the flyash coagulant liquid of 30g steps 1
In, 10min is stirred with the speed of 500r/min in 50 DEG C of bath temperature, obtains the first mixture；
Step 3：20g ramees, 5g are aoxidized into lotus seed starch（The oxidation lotus seed starch of 2 gained of preparation example）It is even with 2.0g silane
Join agent and 10min is stirred with the speed of 200r/min, then sequentially adds 70g peanut protein powders, the copolymerization of 70g hydroxybutyric acid valeric acids
Ester, the glycerine of 10g, the TPE elastomer of 10g, the bamboo fibre of 4g and 8g sepiolite stirring 10min after, put into injection molding machine,
The heating temperature for adjusting injection molding machine is 180 DEG C, keeps the temperature 6h, obtains material liquid, wait for that material liquid is cooled to 60 DEG C hereinafter, again by raw material
The mold cavity of the automobile steering wheel cover of environmental protection, warp are injected after the first mixture mixing of liquid, the epsilon-polylysine of 8g and step 2
The cooling system for crossing injection molding machine is cooled and shaped, and is taken out, is obtained the automobile steering wheel cover of the environmental protection.
Embodiment 3
A kind of preparation method of the automobile steering wheel cover of environmental protection, includes the following steps：
Step 1：By flyash（SiO in flyash2 Content be 30%, Al2O3 Content be 25%）It puts into ball mill and grinds
The average grain diameter for being milled to flyash is 30nm, will be put into ion beam irradiation apparatus, and in 12.5keV, dosage exists setting energy
900×2 .0×1013 ions/cm2, select nitrogen ion beam to irradiate 19min to the flyash in activity, obtain modified fine coal
The sodium carbonate liquor of modified coal ash and 3mol/L are configured to mixed liquor by 1.5 solid-to-liquid ratio, are subsequently placed in microwave reaction by ash
In device（Microwave parameters are set as：Temperature 45 C, rotating speed 550r/min）Reaction 17.5min is carried out, flyash coagulant liquid is obtained；
Step 2：By 25g Chinese medicine antibacterial liquid（1 gained Chinese medicine antibacterial liquid of preparation example）It is added to the flyash coagulant liquid of 25g steps 1
In, 15min is stirred with the speed of 350r/min in 40 DEG C of bath temperature, obtains the first mixture；
Step 3：17.5g ramees, 4g are aoxidized into lotus seed starch（The oxidation lotus seed starch of 2 gained of preparation example）With 1.75g silicon
Alkane coupling agent stirs 8min with the speed of 150r/min, and it is total then to sequentially add 65g peanut protein powders, 65g hydroxybutyric acid valeric acids
Polyester, the glycerine of 9g, the TPE elastomer of 9g, the bamboo fibre of 3.5g and 7.5g sepiolite stirring 7.5min after, put into injection molding
In machine, adjust injection molding machine heating temperature be 165 DEG C, keep the temperature 5.5h, obtain material liquid, wait for material liquid be cooled to 60 DEG C hereinafter,
The automobile steering wheel cover of environmental protection is injected after the first mixture of material liquid, the epsilon-polylysine of 6.5g and step 2 is mixed again
Mold cavity is cooled and shaped by the cooling system of injection molding machine, takes out, obtain the automobile steering wheel cover of the environmental protection.
Comparative example 1
The comparative example with embodiment 3, the difference is that, in step 1 to flyash carry out ion beam irradiation be modified.
Comparative example 2
The comparative example 2 with embodiment 3, the difference is that, the Chinese medicine antibacterial liquid in step 2 is using in preparation example 1
One filtrate（There was only the Aqueous extracts of said herbal medicine）.
Comparative example 3
The comparative example 3 with embodiment 3, the difference is that, the ramee in step 3 is made into etc. to the cocoanut fiber of quality.
Comparative example 4
The comparative example 3 with embodiment 3, the difference is that, without addition bamboo fibre and epsilon-polylysine in step 3.
Comparative example 5
With in background technology, number of patent application is that the sample of embodiment 1 in 201610441216 .0 specifications is comparative example 5.
Comparative example 6
Common commercially available general-utility car direction indicators cover is comparative example 6.
Measure the performance and antibiotic rate of each embodiment and comparative example
The automobile steering wheel cover of environmental protection to being prepared by embodiment and comparative example carries out the evaluation of following items, the results are shown in Table 1.
Tearing strength bioassay standard：GB 6039-85.
Stretching strength determination standard：GB/T1040 .1-2006.
Antibacterial test standard：QB/T2591-2003A《Antibiotic plastic Anti-microbial Performance Tests method and antibacterial effect》.Detection
Use bacterium：Escherichia coli（Escherichia coli）ATCC25922, staphylococcus aureus（Staphy lococcus
aureus）ATCC6538.
Table 1
By above-mentioned test data it is recognised that the automobile steering wheel cover durable antibiotic performance of the environmental protection of the present invention is fabulous, using
After 12 months, antibiotic rate still has preferable anti-microbial property, and the vehicle steering wheel of the present invention is with good still 90% or more
Good tensile strength and tearing strength, meanwhile, it, can be complete in 60 days after automobile steering wheel cover of the invention uses abandoned
It is degraded to carbon dioxide and water, degradation cycle is short, more environmentally friendly；And comparative example 5（The prior art in background technology）In sample
The tearing strength and tensile strength of product are general, can not show a candle to the product of the application, and after 1 month anti-microbial property begin to it is bright
Aobvious decline, was greatly reduced to 6 months anti-microbial properties, started to have completely lost antibacterial ability by 12 months, although also can be by
Biodegradation, but the required time of degrading is longer；And from other comparative examples（1 ~ comparative example of comparative example 4）Determination data can
To find out, the present invention only at the same time utilize ion beam to it is flyash modified, using medicinal herbs in compatibility of the present invention Aqueous extracts and
The mixed liquor of alcohol extract could be obtained as Chinese medicine antibacterial liquid, using ramee and when adding bamboo fibre and epsilon-polylysine
Antibiotic property is lasting and the automobile steering wheel cover of environmental protection of good performance, i.e., ion beam is to compatibility Chinese medicine flyash modified, of the present invention
The Aqueous extracts of grass and the mixed liquor of alcohol extract are as Chinese medicine antibacterial liquid, using ramee and add bamboo fibre and epsilon-polylysine
Synergistic effect is played to improving the performance of environmentally friendly automobile steering wheel cover and extending antibacterial timeliness.
In conclusion a kind of automobile steering wheel cover and preparation method thereof of environmental protection provided by the invention, the present invention utilize from
Beamlet irradiation forms it into the aluminosilicate with three-dimensional web structure to flyash modified, and using the excitation of sodium carbonate activity excitant
Gel is to adsorb the antibacterial substance in Chinese medicine antibacterial liquid so that antibacterial substance is fixed in the network architecture, and antibacterial is lived
Property substance slowly released, to achieve the purpose that sustained anti-microbial, and add in the feed ramee, bamboo fibre and
Epsilon-polylysine is to further increase the antibiotic property of automobile steering wheel cover；The present invention is with hydroxybutyric acid valeric acid copolyesters PHBV and flower
Expect based on raw egg white powder, then bond the automobile steering wheel cover for being prepared into environmental protection with the cooperation of other raw materials, makes the automobile side of the present invention
To disk set using after abandoned, carbon dioxide and water can be degraded under the action of microorganism（Abandoned can drop for 60 days completely
Solution is at carbon dioxide and water）, more environmentally friendly；The present invention is main antibacterial material by adding Chinese medicine antibacterial liquid, and is aided with ramie fibre
Dimension, bamboo fibre and epsilon-polylysine, antibacterial material are pure plant origin, are free of any chemical addition agent, non-stimulated to skin
Property, it is safe to the human body nontoxic；The tensile resistance and tearing-resistant performance of vehicle steering wheel of the present invention are good.
The present invention is described by above-mentioned related embodiment, however above-described embodiment is only the example for implementing the present invention.
It must be noted that the embodiment disclosed is not limiting as the scope of the present invention.On the contrary, be included in claim spirit and
The modification of range and impartial setting are included in the scope of the present invention.
Claims (7)
1. a kind of preparation method of the automobile steering wheel cover of environmental protection, which is characterized in that include the following steps：
Step 1：Ion beam irradiation will be carried out by the flyash of ball mill grinding, modified coal ash is obtained, by modified coal ash
It is configured to mixed liquor by 1.0 ~ 2.0 solid-to-liquid ratio with the sodium carbonate liquor of 3mol/L, is subsequently placed in microwave reactor and carries out instead
It answers, obtains flyash coagulant liquid；
Step 2：20 ~ 30 parts by weight Chinese medicine antibacterial liquid are added in the flyash coagulant liquid of 20 ~ 30 parts by weight steps 1, in 30 ~
10 ~ 20min is stirred with the speed of 200 ~ 500r/min in 50 DEG C of bath temperature, obtains the first mixture；
Step 3：15 ~ 20 parts by weight ramees, 3 ~ 5 parts by weight oxidation lotus seed starch and 1.5 ~ 2.0 parts by weight are silane coupled
Agent stirs 5 ~ 10min with the speed of 100 ~ 200r/min, then sequentially adds 60 ~ 70 parts by weight peanut protein powders, 60 ~ 70 weight
Part hydroxybutyric acid valeric acid copolyesters, 8 ~ 10 parts by weight of glycerin, 8 ~ 10 parts by weight TPE elastomers, 3 ~ 4 parts by weight bamboo fibres and 7 ~ 8
It after parts by weight sepiolite stirs 5 ~ 10min, puts into injection molding machine, the heating temperature for adjusting injection molding machine is 150 ~ 180 DEG C, heat preservation
5 ~ 6h, obtains material liquid, then injection ring after the first mixture of material liquid, 5 ~ 8 parts by weight epsilon-polylysines and step 2 is mixed
The mold cavity of the automobile steering wheel cover of guarantor is cooled and shaped by the cooling system of injection molding machine, takes out, obtain the vapour of the environmental protection
Vehicle direction indicators cover,
Wherein, the Chinese medicine antibacterial liquid is the Aqueous extracts and coptis lime-ash, hardship of coptis lime-ash, kuh-seng, Chinese gall, radix scutellariae and rheum officinale
Ginseng, Chinese gall, radix scutellariae and rhubarb ethanol-extract mixed liquor.
2. the preparation method of the automobile steering wheel cover of environmental protection according to claim 1, which is characterized in that be added in step 3
Between bamboo fibre and sepiolite, 5 ~ 8 parts by weight oyster shell whitings can also be added.
3. the preparation method of the automobile steering wheel cover of environmental protection according to claim 1, which is characterized in that the Chinese medicine antibacterial
Liquid is made by following preparation method：By etc. the coptis lime-ash of quality, kuh-seng, Chinese gall, radix scutellariae and rheum officinale mix, throw together
Enter after cooking 20 ~ 30min in 70 ~ 80 DEG C in water, filtering obtains the first filtrate and the first filter residue, then into the first filter residue
The ethanol solution that addition volumetric concentration is 70% is after 50 ~ 60 DEG C cook 20 ~ 30min, filtering, obtains the second filtrate and is filtered with second
First filtrate and the second filtrate are mixed to get the Chinese medicine antibacterial liquid by slag.
4. the preparation method of the automobile steering wheel cover of environmental protection according to claim 1, which is characterized in that described to pass through ball milling
The average grain diameter of the flyash of machine grinding is 20 ~ 40nm.
5. the preparation method of the automobile steering wheel cover of environmental protection according to claim 1, which is characterized in that microwave in step 1
The microwave parameters of reactor are set as：40 ~ 50 DEG C of temperature, 15 ~ 20min of 500 ~ 600r/min of rotating speed and reaction time.
6. the preparation method of the automobile steering wheel cover of environmental protection according to claim 1, which is characterized in that the oxidation lotus seeds
Starch is made by following preparation method：Lotus seed starch is configured to the starch milk of 30 ~ 50wt% with deionized water, is then added
Enter the ferrous sulfate aqueous solution that mass fraction is 1 ~ 1.5% and adjust the pH value of starch milk between 8 ~ 9, quality point is then added
Number is placed in 4 ~ 5h of reaction, the starch milk after being aoxidized in 40 ~ 45 DEG C of water bath with thermostatic control for 20 ~ 25% hydrogen peroxide；It will oxidation
Rear starch milk take out be cooled to 30 DEG C hereinafter, and adjust the pH value of the starch milk after oxidation to 6, then it is 3% that mass fraction, which is added dropwise,
Potassium sulfite solution until oxidation after starch milk pH value between 7 ~ 7.5, obtain oxidation lotus seed starch crude product；By oxygen
Change lotus seed starch crude product through being filtered, washed, drying, crush, sieve, obtains the oxidation lotus seed starch, wherein ferrous sulfate
The dosage of aqueous solution is the 0.5 ~ 0.8% of starch milk quality；The dosage of hydrogen peroxide is the 1 ~ 1.5% of starch milk quality.
7. a kind of automobile steering wheel cover of environmental protection prepared by preparation method according to claim 1 ~ 6 any one.
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN114193700A (en) * | 2021-10-19 | 2022-03-18 | 江西行新汽车科技股份有限公司 | Production process of mildew-proof antibacterial steering wheel |
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Effective date of registration: 20210426 Address after: 235000 No. 007, wangliheya village, Zhangzhuang village, Gurao Town, Lieshan District, Huaibei City, Anhui Province Applicant after: Wang Yawei Address before: 350208 unit 804, building 20, Binjiang trading town, Changle Town, Changle, Fuzhou. Applicant before: FUZHOU CHANGLE SANHU INFORMATION TECHNOLOGY Co.,Ltd. |
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