CN108624026A - A kind of wear-resistant antibacterial handset sheathing material and preparation method thereof - Google Patents
A kind of wear-resistant antibacterial handset sheathing material and preparation method thereof Download PDFInfo
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- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L69/00—Compositions of polycarbonates; Compositions of derivatives of polycarbonates
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- C08K2003/2241—Titanium dioxide
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- C08K3/00—Use of inorganic substances as compounding ingredients
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- C08K2003/2296—Oxides; Hydroxides of metals of zinc
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- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
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Abstract
The invention discloses a kind of wear-resistant antibacterial handset sheathing materials and preparation method thereof, are related to mobile phone shell Material Field, include the raw material of following parts by weight meter：1.8 2.8 parts of 50 58 parts of makrolon, 13 18 parts of acrylonitrile butadient styrene, 10 15 parts of polystyrene, 7 12 parts of epoxidized soybean oil, 8 14 parts of nano-calcium carbonate, 37 parts of nano zine oxide, 37 parts of Ag-carried nanometer titanium dioxide, 6 12 parts of modified bamboo powdered carbon, 37 parts of zinc borate, 5 10 parts of carbon nanotube, 37 parts of nano-silicon nitride, 1.6 2.4 parts of plasticizer, 2.1 2.8 parts of lubricant and antioxidant；There is good wear-resisting, heat resistance by the cooperation between raw material in the present invention, while there is excellent antibiotic property, slow down the growth of mobile phone surface bacteria, be beneficial to man health.
Description
Technical field
The present invention relates to mobile phone shell Material Fields, and in particular to a kind of wear-resistant antibacterial handset sheathing material and its preparation side
Method.
Background technology
Mobile phone, a hand-held mobile communication terminal device high as popularity rate, within the time of short decades,
It upgrades for several times through have passed through, becomes the epoch epitome of scientific and technological progress.As " skin " of mobile phone, phone housing is users
The part directly contacted, it is not only the strong protective umbrella of mobile phone, can efficiently reduce the invasion of dust, reduces meaning
The damage dropped outside enhances the service life of mobile phone, it is often more important that promotes the Product Experience of user.
Early stage improves the anti-corrosive properties of phone housing in order to extend, only simply in one layer of anti-skid chequer of shell surface spraying or
Person paints.Although very practical, the psychology that aesthetic feeling is advocated in consumption cannot be satisfied.Wherein, piano baking vanish receives public welcome.
Piano lacquer craftwork is one kind of baking finish process, and process is extremely complex, and the piano baking vanish of mechanization is still very quick.Some hands
Machine manufacturer uses piano lacquer craftwork to manufacture, some are then painted with common polyurethane paint, wants poor in terms of technique and durability degree
Very much.Piano baking finish process gives high-grade, magnificent aesthetic feeling in appearance, highlights the texture of mobile phone, also brings good
Feel.Current this technology is highly developed, but usage time it is longer will appear fall off or depainting phenomenon, and become easily infected by
Fingerprint influences mobile phone beauty, and wear-resistant aspect need to be improved.
" machine is not from hand " also becomes a kind of extremely universal social phenomenon.Although mobile phone is to we provide many convenience and joy
It is happy, and as a part indispensable in life, but according to investigations, mobile phone and portable electronic product have become consumption
Person most easily contacts one of the ten big articles for daily use of bacterium.Some experts pass through the study found that mobile phone carries various bacteriums, and this
The amount of bacterium is not general big, is 18 times of closestool handle amount of bacteria unexpectedly.Mobile phone daily all can with the skin of people, nose,
Mouth, ear etc. have an a large amount of contact, especially in summer, say one logical when mobile phone close to ear, is placed on mouth, mobile phone will glue
Upper sweat, saliva etc., moreover, with the extension of mobile phone usage time, these substances can grow a large amount of bacterium on mobile phone surface,
It is unfavorable for health of people health.
Chinese patent CN201510262068.1 discloses a kind of manufacturing method of plastic handset shell, with makrolon,
Acrylonitrile-butadiene-styrene copolymer, Methacrylate-butadiene-styrene, styrene-maleic anhydride copolymer
Object, fire retardant, nanometer silicon B-carbide, nickel powder, polyaniline liquid are raw material mixed melting extruding pelletization, finished product.It is obtained
Phone housing intensity is high, not easy to crack, and has preferable wearability, but haves the shortcomings that mobile phone antibacterial is poor.
Chinese patent CN201510641903.2 discloses a kind of phone housing high hardness wear-resisting heat proof material, this patent
It is effective to improve hardness, wear-resisting and heat resistance, but do not have any anti-microbial property, it uses for a long time, is unfavorable for human body
Health.
Invention content
For problems of the prior art, the present invention provides a kind of wear-resistant antibacterial handset sheathing material and its preparations
Method has good wear-resisting, heat resistance by the cooperation between raw material in the present invention, while having excellent antibiotic property, subtract
The growth of slow action machine surface bacteria, be beneficial to man health.
In order to achieve the above object, the present invention is achieved through the following technical solutions：
A kind of wear-resistant antibacterial handset sheathing material includes the raw material of following parts by weight meter：
50-58 parts of makrolon, 13-18 parts of acrylonitrile-butadiene-styrene copolymer, 10-15 parts of polystyrene, ring
7-12 parts of oxygen soybean oil, 8-14 parts of nano-calcium carbonate, 3-7 parts of nano zine oxide, 3-7 parts of Ag-carried nanometer titanium dioxide, modified bamboo
6-12 parts of powdered carbon, 3-7 parts of zinc borate, 5-10 parts of carbon nanotube, 3-7 parts of nano-silicon nitride, 1.6-2.4 parts of plasticizer, lubricant
2.1-2.8 1.8-2.8 parts of part and antioxidant.
Preferably, include the raw material of following parts by weight meter：52-56 parts of makrolon, acrylonitrile-butadiene-styrene (ABS) are total
15-17 parts of polymers, 11-13 parts of polystyrene, 9-11 parts of epoxidized soybean oil, 10-12 parts of nano-calcium carbonate, nano zine oxide 4-6
Part, 4-6 parts of Ag-carried nanometer titanium dioxide, 8-10 parts of modified bamboo powdered carbon, 4-6 parts of zinc borate, 6-9 parts of carbon nanotube, nano silicon nitride
2.2-2.4 parts of 4-6 parts of silicon, 1.8-2.2 parts of plasticizer, 2.3-2.5 parts of lubricant and antioxidant.
Preferably, include the raw material of following parts by weight meter：54 parts of makrolon, acrylonitrile-butadiene-styrene copolymer
16 parts, 12 parts of polystyrene, 10 parts of epoxidized soybean oil, 11 parts of nano-calcium carbonate, 5 parts of nano zine oxide, silver-carrying nano titanium dioxide
5 parts of titanium, 9 parts of modified bamboo powdered carbon, 5 parts of zinc borate, 8 parts of carbon nanotube, 5 parts of nano-silicon nitride, 2.1 parts of plasticizer, lubricant 2.4
2.3 parts of part and antioxidant.
Preferably, the preparation method of the modified bamboo powdered carbon is：
(a) bamboo charcoal powder is sent into grinder and is ground, cross 100-300 mesh sieve；
(b) after impregnating bamboo charcoal powder after crushing 20-40 hours with the sodium hydroxide solution stirring of 6mol/L, it is placed in ultrasonic wave
In dispersion machine, temperature control carries out high frequency oscillation dispersion, jitter time 20-30 minutes to 90-100 degrees Celsius；
(c) mixed serum made from step (b) is filtered, it is neutrality that milli-Q water to filtrate pH value, which is added, and merging is forged
It burns in stove at 300-400 degrees Celsius after lower high-temperature roasting 70-100 minute, grain diameter is ground in ball mill as 350-500
Mesh is to get the modified bamboo powdered carbon.
Preferably, the plasticizer is repefral, dioctyl phthalate, two isodecyl of phthalic acid
One or more of ester and dibutyl phthalate combine.
Preferably, the lubricant is that one or more of castor oil, silicone oil, aliphatic amide and oleic acid combine.
Preferably, the antioxidant is 2,6-di-tert-butyl p-cresol, (2, the 4- bis- tertiary fourths of 4,4- xenyls di 2 ethylhexyl phosphonic acid four
Base phenyl) ester, diphosphorous acid distearyl acid pentaerythritol ester and one kind in phosphorous acid three (2,4- di-tert-butyl-phenyls) ester or
Several combinations.
A kind of preparation method of above-mentioned wear-resistant antibacterial sheathing material is also disclosed in the present invention, specifically, including following step
Suddenly：
(1) by nano-calcium carbonate, nano zine oxide, Ag-carried nanometer titanium dioxide, modified bamboo powdered carbon, zinc borate, carbon nanometer
Pipe, nano-silicon nitride are added in high-speed mixer, are mixed 15-20 minutes under 80-90 degrees Celsius, and rotating speed is 400-500 revs/min
Clock；
(2) makrolon, acrylonitrile-butadiene-styrene copolymer, polystyrene are respectively put into vacuum drying chamber
Drying is under 60-65 degrees Celsius, after 7 hours dry, mixed with epoxidized soybean oil, plasticizer in input mixer and carries out mixing 8-
After 12 minutes, mixture made from step (1) and lubricant, antioxidant are sequentially added, continues mixing 10-15 minutes；
(3) mixing material made from step (2) is added twin-screw extrude into carry out extruding pelletization, it is dry that pellet is placed in vacuum
In dry case it is dry after, be put into injection molding machine be injection moulded to get；
Preferably, the smelting temperature in the step (2) is 130-135 degrees Celsius
Preferably, in the step (3) extrusion temperature be 136-138 degrees Celsius, extruder screw rotating speed be 85-90 turn/
Minute, injection temperature is 140-143 degrees Celsius, injection pressure 60-65MPa.
The present invention has following advantageous effect：
(1) there is good wear-resisting, heat resistance by the cooperation between raw material in the present invention, while there is excellent antibacterial
Property, slow down the growth of mobile phone surface bacteria, be beneficial to man health.
(2) modified bamboo powdered carbon is added in the present invention, bamboo charcoal has loose porous structure, and molecule is fine and closely woven porous, quality
It is hard.There is very strong adsorption capacity, has the function of eliminating that peculiar smell, moisture absorption be mould proof, bacteriostasis antibiosis.With the sodium hydroxide of high concentration
It impregnates, then with the modified bamboo powdered carbon after high-temperature roasting, specific surface area increases, and dispersibility enhancing reduces the agglomeration of bamboo charcoal powder,
It is easily dispersed in high molecular polymer, while specific surface area increases, corresponding contact area of adsorbing increases, bamboo charcoal adsorption point
Increase, the rate of adsorption is speeded, and enhances the chemisorption of bamboo charcoal surface texture, enhances the purification antibacterial effect of bamboo charcoal.
(3) materials'use makrolon of the present invention, acrylonitrile-butadiene-styrene copolymer, polystyrene and epoxy are big
Soya-bean oil and filler melting extrusion, acrylonitrile-butadiene-styrene copolymer, polystyrene and epoxidized soybean oil have good
Flexibility and plasticity, several substance synergistic effects improve makrolon flowing property difference and are difficult into thin wall parts, Yi Fa
Raw stress cracking, the shortcomings that wearing no resistance.
(4) matching by nano zine oxide, Ag-carried nanometer titanium dioxide, modified bamboo powdered carbon and zinc borate in material of the present invention
Cooperation is used, and just has good antibiotic property and biocidal property, while nano zine oxide, Ag-carried nanometer titanium dioxide, nano-calcium carbonate can
With the wearability and mechanical shock resistance of common reinforcing material, Ag-carried nanometer titanium dioxide has uvioresistant effect simultaneously, increases
The anti-aging effect of strong material.
(5) comprehensive performance that plasticizer, lubricant and antioxidant carry out reinforcing material is added in the present invention, improves material
Processability and durability.
Specific implementation mode
The specific implementation mode of the present invention is further described with reference to embodiment, following embodiment is only used for more
Technical scheme of the present invention is clearly demonstrated, and not intended to limit the protection scope of the present invention.
Embodiment 1
A kind of wear-resistant antibacterial handset sheathing material includes the raw material of following parts by weight meter：
50 parts of makrolon, 13 parts of acrylonitrile-butadiene-styrene copolymer, 10 parts of polystyrene, epoxidized soybean oil 7
Part, 8 parts of nano-calcium carbonate, 3 parts of nano zine oxide, 3 parts of Ag-carried nanometer titanium dioxide, 6 parts of modified bamboo powdered carbon, 3 parts of zinc borate, carbon
1.8 parts of 5 parts of nanotube, 3 parts of nano-silicon nitride, 1.6 parts of plasticizer, 2.1 parts of lubricant and antioxidant.
The preparation method of modified bamboo powdered carbon is：
(a) bamboo charcoal powder is sent into grinder and is ground, sieved with 100 mesh sieve；
(b) after impregnating bamboo charcoal powder after crushing 20 hours with the sodium hydroxide solution stirring of 6mol/L, it is placed in ultrasonic wavelength-division
It dissipates in machine, temperature control carries out high frequency oscillation dispersion, jitter time 20 minutes to 90 degrees Celsius；
(c) mixed serum made from step (b) is filtered, it is neutrality that milli-Q water to filtrate pH value, which is added, and merging is forged
After burning in stove high-temperature roasting 70 minutes at 300 degrees Celsius, it is that 350 mesh change to get described that grain diameter is ground in ball mill
Property bamboo charcoal powder.
Plasticizer is repefral.
Lubricant is castor oil.
Antioxidant is DBPC 2,6 ditertiary butyl p cresol.
The preparation method of wear-resistant antibacterial sheathing material in the present embodiment specifically includes the following steps：
(1) by nano-calcium carbonate, nano zine oxide, Ag-carried nanometer titanium dioxide, modified bamboo powdered carbon, zinc borate, carbon nanometer
Pipe, nano-silicon nitride are added in high-speed mixer, mix 15 minutes at 80 degrees celsius, and rotating speed is 400 revs/min；
(2) makrolon, acrylonitrile-butadiene-styrene copolymer, polystyrene are respectively put into vacuum drying chamber
Drying at 60 c, after 7 hours dry, mix in input mixer with epoxidized soybean oil, plasticizer and carries out mixing 8 minutes
Afterwards, mixture made from step (1) and lubricant, antioxidant are sequentially added, mixing 10 minutes is continued；
(3) mixing material made from step (2) is added twin-screw extrude into carry out extruding pelletization, it is dry that pellet is placed in vacuum
In dry case it is dry after, be put into injection molding machine be injection moulded to get；
Smelting temperature in step (2) is 130 degrees Celsius
Extrusion temperature is 136 degrees Celsius in step (3), and extruder screw rotating speed is 85 revs/min, injection temperature 140
Degree Celsius, injection pressure 60MPa.
Embodiment 2
A kind of wear-resistant antibacterial handset sheathing material includes the raw material of following parts by weight meter：
58 parts of makrolon, 18 parts of acrylonitrile-butadiene-styrene copolymer, 15 parts of polystyrene, epoxidized soybean oil 12
Part, 14 parts of nano-calcium carbonate, 7 parts of nano zine oxide, 7 parts of Ag-carried nanometer titanium dioxide, 12 parts of modified bamboo powdered carbon, 7 parts of zinc borate,
2.8 parts of 10 parts of carbon nanotube, 7 parts of nano-silicon nitride, 2.4 parts of plasticizer, 2.8 parts of lubricant and antioxidant.
The preparation method of modified bamboo powdered carbon is：
(a) bamboo charcoal powder is sent into grinder and is ground, cross 300 mesh sieve；
(b) after impregnating bamboo charcoal powder after crushing 40 hours with the sodium hydroxide solution stirring of 6mol/L, it is placed in ultrasonic wavelength-division
It dissipates in machine, temperature control carries out high frequency oscillation dispersion, jitter time 30 minutes to 100 degrees Celsius；
(c) mixed serum made from step (b) is filtered, it is neutrality that milli-Q water to filtrate pH value, which is added, and merging is forged
It burns in stove after 400 degrees Celsius of lower high-temperature roastings 100 minutes, it is that 500 mesh change to get described that grain diameter is ground in ball mill
Property bamboo charcoal powder.
Plasticizer is dioctyl phthalate.
Lubricant is silicone oil.
Antioxidant is 4,4- xenyls di 2 ethylhexyl phosphonic acid four (2,4- di-tert-butyl-phenyls) ester.
The preparation method of wear-resistant antibacterial sheathing material in the present embodiment specifically includes the following steps：
(1) by nano-calcium carbonate, nano zine oxide, Ag-carried nanometer titanium dioxide, modified bamboo powdered carbon, zinc borate, carbon nanometer
Pipe, nano-silicon nitride are added in high-speed mixer, are mixed 20 minutes under 90 degrees Celsius, and rotating speed is 500 revs/min；
(2) makrolon, acrylonitrile-butadiene-styrene copolymer, polystyrene are respectively put into vacuum drying chamber
Drying is under 65 degrees Celsius, after 7 hours dry, progress mixing 12 in input mixer is mixed with epoxidized soybean oil, plasticizer and is divided
Zhong Hou sequentially adds mixture made from step (1) and lubricant, antioxidant, continues mixing 15 minutes；
(3) mixing material made from step (2) is added twin-screw extrude into carry out extruding pelletization, it is dry that pellet is placed in vacuum
In dry case it is dry after, be put into injection molding machine be injection moulded to get；
Smelting temperature in step (2) is 135 degrees Celsius
Extrusion temperature is 138 degrees Celsius in step (3), and extruder screw rotating speed is 90 revs/min, injection temperature 143
Degree Celsius, injection pressure 65MPa.
Embodiment 3
A kind of wear-resistant antibacterial handset sheathing material includes the raw material of following parts by weight meter：
52 parts of makrolon, 15 parts of acrylonitrile-butadiene-styrene copolymer, 11 parts of polystyrene, epoxidized soybean oil 9
Part, 10 parts of nano-calcium carbonate, 4 parts of nano zine oxide, 4 parts of Ag-carried nanometer titanium dioxide, 8 parts of modified bamboo powdered carbon, 4 parts of zinc borate,
2.2 parts of 6 parts of carbon nanotube, 4 parts of nano-silicon nitride, 1.8 parts of plasticizer, 2.3 parts of lubricant and antioxidant.
The preparation method of modified bamboo powdered carbon is：
(a) bamboo charcoal powder is sent into grinder and is ground, cross 150 mesh sieve；
(b) after impregnating bamboo charcoal powder after crushing 25 hours with the sodium hydroxide solution stirring of 6mol/L, it is placed in ultrasonic wavelength-division
It dissipates in machine, temperature control carries out high frequency oscillation dispersion, jitter time 24 minutes to 93 degrees Celsius；
(c) mixed serum made from step (b) is filtered, it is neutrality that milli-Q water to filtrate pH value, which is added, and merging is forged
It burns in stove after 450 degrees Celsius of lower high-temperature roastings 80 minutes, it is that 400 mesh change to get described that grain diameter is ground in ball mill
Property bamboo charcoal powder.
Plasticizer is diisooctyl phthalate.
Lubricant is oleic acid.
Antioxidant is diphosphorous acid distearyl acid pentaerythritol ester.
The preparation method of wear-resistant antibacterial sheathing material in the present embodiment specifically includes the following steps：
(1) by nano-calcium carbonate, nano zine oxide, Ag-carried nanometer titanium dioxide, modified bamboo powdered carbon, zinc borate, carbon nanometer
Pipe, nano-silicon nitride are added in high-speed mixer, are mixed 17 minutes under 85 degrees Celsius, and rotating speed is 450 revs/min；
(2) makrolon, acrylonitrile-butadiene-styrene copolymer, polystyrene are respectively put into vacuum drying chamber
Drying at 62 c, after 7 hours dry, progress mixing 10 in input mixer is mixed with epoxidized soybean oil, plasticizer and is divided
Zhong Hou sequentially adds mixture made from step (1) and lubricant, antioxidant, continues mixing 12 minutes；
(3) mixing material made from step (2) is added twin-screw extrude into carry out extruding pelletization, it is dry that pellet is placed in vacuum
In dry case it is dry after, be put into injection molding machine be injection moulded to get；
Smelting temperature in step (2) is 132 degrees Celsius
Extrusion temperature is 137 degrees Celsius in step (3), and extruder screw rotating speed is 87 revs/min, injection temperature 141
Degree Celsius, injection pressure 62MPa.
Embodiment 4
A kind of wear-resistant antibacterial handset sheathing material includes the raw material of following parts by weight meter：
56 parts of makrolon, 17 parts of acrylonitrile-butadiene-styrene copolymer, 13 parts of polystyrene, epoxidized soybean oil 11
Part, 12 parts of nano-calcium carbonate, 6 parts of nano zine oxide, 6 parts of Ag-carried nanometer titanium dioxide, 10 parts of modified bamboo powdered carbon, 6 parts of zinc borate,
2.4 parts of 9 parts of carbon nanotube, 6 parts of nano-silicon nitride, 2.2 parts of plasticizer, 2.5 parts of lubricant and antioxidant.
The preparation method of modified bamboo powdered carbon is：
(a) bamboo charcoal powder is sent into grinder and is ground, cross 200 mesh sieve；
(b) after impregnating bamboo charcoal powder after crushing 30 hours with the sodium hydroxide solution stirring of 6mol/L, it is placed in ultrasonic wavelength-division
It dissipates in machine, temperature control carries out high frequency oscillation dispersion, jitter time 26 minutes to 96 degrees Celsius；
(c) mixed serum made from step (b) is filtered, it is neutrality that milli-Q water to filtrate pH value, which is added, and merging is forged
It burns in stove after 360 degrees Celsius of lower high-temperature roastings 90 minutes, it is that 450 mesh change to get described that grain diameter is ground in ball mill
Property bamboo charcoal powder.
Plasticizer is dibutyl phthalate.
Lubricant is oleic acid.
Antioxidant is phosphorous acid three (2,4- di-tert-butyl-phenyls) ester.
The preparation method of wear-resistant antibacterial sheathing material in the present embodiment specifically includes the following steps：
(1) by nano-calcium carbonate, nano zine oxide, Ag-carried nanometer titanium dioxide, modified bamboo powdered carbon, zinc borate, carbon nanometer
Pipe, nano-silicon nitride are added in high-speed mixer, are mixed 17 minutes under 86 degrees Celsius, and rotating speed is 460 revs/min；
(2) makrolon, acrylonitrile-butadiene-styrene copolymer, polystyrene are respectively put into vacuum drying chamber
Drying is under 63 degrees Celsius, after 7 hours dry, progress mixing 11 in input mixer is mixed with epoxidized soybean oil, plasticizer and is divided
Zhong Hou sequentially adds mixture made from step (1) and lubricant, antioxidant, continues mixing 13 minutes；
(3) mixing material made from step (2) is added twin-screw extrude into carry out extruding pelletization, it is dry that pellet is placed in vacuum
In dry case it is dry after, be put into injection molding machine be injection moulded to get；
Smelting temperature in step (2) is 133 degrees Celsius
Extrusion temperature is 138 degrees Celsius in step (3), and extruder screw rotating speed is 87 revs/min, injection temperature 142
Degree Celsius, injection pressure 63MPa.
Embodiment 5
A kind of wear-resistant antibacterial handset sheathing material includes the raw material of following parts by weight meter：
54 parts of makrolon, 16 parts of acrylonitrile-butadiene-styrene copolymer, 12 parts of polystyrene, epoxidized soybean oil 10
Part, 11 parts of nano-calcium carbonate, 5 parts of nano zine oxide, 5 parts of Ag-carried nanometer titanium dioxide, 9 parts of modified bamboo powdered carbon, 5 parts of zinc borate,
2.3 parts of 8 parts of carbon nanotube, 5 parts of nano-silicon nitride, 2.1 parts of plasticizer, 2.4 parts of lubricant and antioxidant.
The preparation method of modified bamboo powdered carbon is：
(a) bamboo charcoal powder is sent into grinder and is ground, cross 250 mesh sieve；
(b) after impregnating bamboo charcoal powder after crushing 35 hours with the sodium hydroxide solution stirring of 6mol/L, it is placed in ultrasonic wavelength-division
It dissipates in machine, temperature control carries out high frequency oscillation dispersion, jitter time 28 minutes to 98 degrees Celsius；
(c) mixed serum made from step (b) is filtered, it is neutrality that milli-Q water to filtrate pH value, which is added, and merging is forged
After burning in stove high-temperature roasting 95 minutes at 380 degrees Celsius, it is that 380 mesh change to get described that grain diameter is ground in ball mill
Property bamboo charcoal powder.
Plasticizer is repefral.
Lubricant is castor oil.
Antioxidant is in diphosphorous acid distearyl acid pentaerythritol ester and phosphorous acid three (2,4- di-tert-butyl-phenyls) ester
According to mass ratio 1:1 mixing composition.
The preparation method of wear-resistant antibacterial sheathing material in the present embodiment specifically includes the following steps：
(1) by nano-calcium carbonate, nano zine oxide, Ag-carried nanometer titanium dioxide, modified bamboo powdered carbon, zinc borate, carbon nanometer
Pipe, nano-silicon nitride are added in high-speed mixer, are mixed 19 minutes under 88 degrees Celsius, and rotating speed is 480 revs/min；
(2) makrolon, acrylonitrile-butadiene-styrene copolymer, polystyrene are respectively put into vacuum drying chamber
Drying is under 64 degrees Celsius, after 7 hours dry, progress mixing 11 in input mixer is mixed with epoxidized soybean oil, plasticizer and is divided
Zhong Hou sequentially adds mixture made from step (1) and lubricant, antioxidant, continues mixing 14 minutes；
(3) mixing material made from step (2) is added twin-screw extrude into carry out extruding pelletization, it is dry that pellet is placed in vacuum
In dry case it is dry after, be put into injection molding machine be injection moulded to get；
Smelting temperature in step (2) is 134 degrees Celsius
Extrusion temperature is 136 degrees Celsius in step (3), and extruder screw rotating speed is 88 revs/min, injection temperature 142
Degree Celsius, injection pressure 64MPa.
Comparative example 1
A kind of handset sheathing material includes the raw material of following parts by weight meter：75 parts of makrolon, acrylonitrile-butadiene-benzene
30 parts of ethylene copolymer, 5 parts of fire retardant, 8 parts of nickel powder, 15 parts of nano-calcium carbonate；
The preparation method of handset sheathing material in this comparative example, includes the following steps：
(1) each component is weighed according to the parts by weight of above-mentioned raw materials；
(2) batch mixer is preheated, above-mentioned raw materials are added and are uniformly mixed, mixed material is added in extruder, are squeezed through melting
Go out be granulated to get.
Handset sheathing material made from wear-resistant antibacterial material made from embodiment 1-5 and comparative example 1 is tested for the property,
As a result such as the following table 1：
Table 1：
The present invention is can be seen that from the data of table 1 to has the following advantages：
1, the tensile strength of comparative example 1 is 43.4MPa, and the tensile strength of embodiment 1-5, which is at least 72.7MPa, to be had obviously
Promotion, illustrate radioresistance handset sheathing material of the present invention stretch-resistance be improved significantly.
2, the elongation at break of comparative example 1 is 32%, and the elongation at break of embodiment 1-5 is at least 47%, embodiment 1-5
Bending strength relative at least being promoted from 61.2MPa in comparative example to 71.6MPa, have and be obviously improved, illustrate the present invention
Wear-resistant antibacterial handset sheathing material has good mechanical tenacity and fold resistance.
Handset sheathing material prepared by wear-resistant antibacterial handset sheathing material made from Example 1-5 and comparative example 1, respectively
It is 5.5 × 10 to be immersed in e. coli concentration5CFU/ml and staphylococcus aureus a concentration of 9.5 × 105In the bacterium solution of CFU/ml
For 24 hours, the viable count impregnated in different antibiotic plastic bacterium solutions is measured, as a result such as the following table 2 institute
Table 2：
The anti-microbial property that can be seen that wear-resistant antibacterial handset sheathing material of the present invention from the result of upper table 2 is substantially better than pair
The anti-microbial property of 1 sheathing material of ratio, can significantly inhibit the growth of bacterium, have good restraining and sterilizing bacteria effect.
The foregoing is only a preferred embodiment of the present invention, is not intended to restrict the invention, although with reference to aforementioned reality
Applying example, invention is explained in detail, for those skilled in the art, still can be to aforementioned each implementation
Technical solution recorded in example is modified or equivalent replacement of some of the technical features.All essences in the present invention
With within principle, any modification, equivalent replacement, improvement and so on should all be included in the protection scope of the present invention god.
Claims (10)
1. a kind of wear-resistant antibacterial sheathing material, which is characterized in that include the raw material of following parts by weight meter：50-58 parts of makrolon,
13-18 parts of acrylonitrile-butadiene-styrene copolymer, 10-15 parts of polystyrene, 7-12 parts of epoxidized soybean oil, nano-calcium carbonate
8-14 parts, 3-7 parts of nano zine oxide, 3-7 parts of Ag-carried nanometer titanium dioxide, 6-12 parts of modified bamboo powdered carbon, 3-7 parts of zinc borate, carbon
5-10 parts of nanotube, 3-7 parts of nano-silicon nitride, 1.6-2.4 parts of plasticizer, 2.1-2.8 parts of lubricant and antioxidant 1.8-2.8
Part.
2. wear-resistant antibacterial sheathing material according to claim 1, which is characterized in that include the raw material of following parts by weight meter：
52-56 parts of makrolon, 15-17 parts of acrylonitrile-butadiene-styrene copolymer, 11-13 parts of polystyrene, epoxidized soybean oil
9-11 parts, 10-12 parts of nano-calcium carbonate, 4-6 parts of nano zine oxide, 4-6 parts of Ag-carried nanometer titanium dioxide, modified bamboo powdered carbon 8-10
Part, 4-6 parts of zinc borate, 6-9 parts of carbon nanotube, 4-6 parts of nano-silicon nitride, 1.8-2.2 parts of plasticizer, 2.3-2.5 parts of lubricant
With 2.2-2.4 parts of antioxidant.
3. wear-resistant antibacterial sheathing material according to claim 1, which is characterized in that include the raw material of following parts by weight meter：
54 parts of makrolon, 16 parts of acrylonitrile-butadiene-styrene copolymer, 12 parts of polystyrene, epoxidized soybean oil 10 part, nanometer
11 parts of calcium carbonate, 5 parts of nano zine oxide, 5 parts of Ag-carried nanometer titanium dioxide, 9 parts of modified bamboo powdered carbon, 5 parts of zinc borate, carbon nanotube
2.3 parts of 8 parts, 5 parts of nano-silicon nitride, 2.1 parts of plasticizer, 2.4 parts of lubricant and antioxidant.
4. wear-resistant antibacterial sheathing material according to claim 1, which is characterized in that the preparation method of the modified bamboo powdered carbon
For：
(a) bamboo charcoal powder is sent into grinder and is ground, cross 100-300 mesh sieve；
(b) after bamboo charcoal powder after crushing being impregnated 20-40 hours with the sodium hydroxide solution stirring of 6mol/L, merging ultrasonic wave dispersion
In machine, temperature control carries out high frequency oscillation dispersion, jitter time 20-30 minutes to 90-100 degrees Celsius；
(c) mixed serum made from step (b) is filtered, it is neutrality that milli-Q water to filtrate pH value, which is added, is placed in calcining furnace
In at 300-400 degrees Celsius after lower high-temperature roasting 70-100 minutes, it is 350-500 mesh that grain diameter is ground in ball mill, i.e.,
Obtain the modified bamboo powdered carbon.
5. wear-resistant antibacterial sheathing material according to claim 1, which is characterized in that the plasticizer is phthalic acid two
One or more of methyl esters, dioctyl phthalate, diisooctyl phthalate and dibutyl phthalate combine.
6. wear-resistant antibacterial sheathing material according to claim 1, which is characterized in that the lubricant be castor oil, silicone oil,
One or more of aliphatic amide and oleic acid combine.
7. wear-resistant antibacterial sheathing material according to claim 1, which is characterized in that the antioxidant is 2,6-, bis- uncles
Butyl paracresol, 4,4- xenyls di 2 ethylhexyl phosphonic acid four (2,4- di-tert-butyl-phenyls) ester, diphosphorous acid distearyl acid pentaerythritol ester
It is combined with one or more of phosphorous acid three (2,4- di-tert-butyl-phenyls) ester.
8. a kind of preparation method of such as claim 1-7 any one of them wear-resistant antibacterial sheathing materials, which is characterized in that including
Following steps：
(1) by nano-calcium carbonate, nano zine oxide, Ag-carried nanometer titanium dioxide, modified bamboo powdered carbon, zinc borate, carbon nanotube, receive
Rice silicon nitride is added in high-speed mixer, is mixed 15-20 minutes under 80-90 degrees Celsius, and rotating speed is 400-500 revs/min；
(2) makrolon, acrylonitrile-butadiene-styrene copolymer, polystyrene are respectively put into vacuum drying chamber and are dried
Under 60-65 degrees Celsius, after 7 hours dry, mixed with epoxidized soybean oil, plasticizer and carry out 8-12 points of mixing in input mixer
Zhong Hou sequentially adds mixture made from step (1) and lubricant, antioxidant, continues mixing 10-15 minutes；
(3) mixing material made from step (2) is added twin-screw extrude into carry out extruding pelletization, pellet is placed in vacuum drying chamber
After middle drying, be put into injection molding machine be injection moulded to get.
9. the preparation method of antibacterial wear-resistant mobile phone sheathing material according to claim 8, which is characterized in that the step
(2) smelting temperature in is 130-135 degrees Celsius.
10. the preparation method of antibacterial wear-resistant mobile phone sheathing material according to claim 8, which is characterized in that the step
(3) extrusion temperature is 136-138 degrees Celsius in, and extruder screw rotating speed is 85-90 revs/min, and injection temperature is taken the photograph for 140-143
Family name's degree, injection pressure 60-65MPa.
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| CN111205573A (en) * | 2020-03-04 | 2020-05-29 | 大成(苏州)塑业科技有限公司 | Antibacterial injection molding material |
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| CN111234524A (en) * | 2018-11-28 | 2020-06-05 | 合肥杰事杰新材料股份有限公司 | Anti-aging and mildew-proof polyaniline material and preparation method thereof |
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| CN111205573A (en) * | 2020-03-04 | 2020-05-29 | 大成(苏州)塑业科技有限公司 | Antibacterial injection molding material |
| WO2022106530A1 (en) * | 2020-11-23 | 2022-05-27 | Covestro Deutschland Ag | Polycarbonate compositions containing titianium dioxide and epoxy group-containing triacylglycerol |
| CN113354918A (en) * | 2021-06-28 | 2021-09-07 | 铜陵昌满塑胶有限公司 | High-strength plastic for capacitor shell and preparation method thereof |
| CN114591619A (en) * | 2022-03-31 | 2022-06-07 | 安徽农业大学 | Preparation method of wood-plastic composite material with shielding, flame-retardant and antibacterial properties |
| CN114591619B (en) * | 2022-03-31 | 2024-03-15 | 安徽农业大学 | Preparation method of wood-plastic composite material with shielding, flame-retardant and antibacterial properties |
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