CN104072967A - Antibacterial and antistatic material and preparation method thereof - Google Patents
Antibacterial and antistatic material and preparation method thereof Download PDFInfo
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- CN104072967A CN104072967A CN201410302944.4A CN201410302944A CN104072967A CN 104072967 A CN104072967 A CN 104072967A CN 201410302944 A CN201410302944 A CN 201410302944A CN 104072967 A CN104072967 A CN 104072967A
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Abstract
The invention discloses an antibacterial and antistatic material and a preparation method thereof. The antibacterial and antistatic material comprises the following components in parts by weight: 60-70 parts of PC, 40-60 parts of PET, 0.8-2 parts of ethylene diamine tetraacetic acid tetrasodium, 2-7 parts of 2-ethyl-4-methylimidazole, 0.5-1 part of triethylene tetramine, 3-8 parts of solubilizer, 5-10 parts of antistatic agent, 0.5-2 parts of antioxidant, 0.5-1 part of ultraviolet absorbent, 0.8-1.5 parts of lubricant, 0.3-0.8 part of chitin and 0.5-1 part of nano silver powder. The preparation method comprises the steps of adding the components into a mixing stirrer, mixing uniformly, and performing extruding granulation in a double-screw extruder at the temperature of 260-280 DEG C and the revolution speed of 220-260 revolutions per minute. The antibacterial and antistatic material provided by the invention has a good antibacterial and antistatic effect, and can exert a sustained and steady antibacterial and antistatic effect in the long-time use process.
Description
Technical field
The invention belongs to technical field of chemical material preparation, particularly a kind of antibacterial antistatic material and preparation method thereof.
Background technology
Present stage, engineering materials goods occupy very consequence in people's daily life and industrial and agricultural production.Along with the extensive popularization and application of engineering materials goods in daily field, people contact more frequently and use as plastics, thereby more and more higher to the requirement of these goods.And nature exists various microorganisms, in daily life, microorganism and the mankind have close relationship, and people are not contacting with microorganism all the time.But part microorganism as the so-called pathogenic bacterias such as bacterium, fungi and virus but serious harm the mankind's health.According to data statistics, the whole world causes dead number to surpass 2,200 ten thousand because bacterium infects every year, accounts for 35% of death toll sum.Therefore take precautions against in daily life and avoid the propagation of poisonous bacterium and infect just to seem particularly important.At present, the production of anti-biotic material has become an emerging industry, and all carry out on a large scale to the research of anti-biotic material countries in the world.And antibacterial concept in material and the sterilization of the control germ in microorganism have very large difference, it does not require can kill the microorganism being pernicious to people at once, but be emphatically can suppress in the life-time service process of material the breeding of unwanted bacteria, keep the health of environment.
Plastics are the articles for use that all can touch all the time in people's daily life, and its insulation of general plastics is good with heat resistance, therefore by a large amount of for life and appliance and electronic.But this type of material contacts with other materials or the rear surface that rubs is very easy to form static charge, and the negative interaction that accumulation of static electricity brings has had a strong impact on production, life and work.Simultaneously in some particular surroundingss, as the plastics under the environment such as high humidity, as water pipe etc., the time has been grown inwall and all can more or less accumulate some mushrooms, and long-time use can have a strong impact on the quality of people's daily life.
The plastic material using at present has the few of antistatic and anti-microbial property simultaneously, and the performance of single antibacterial or antistatic material is also not ideal enough, therefore need to develop a kind of excellent antibacterial and antistatic property, has the material of good physicals simultaneously.
Summary of the invention
The object of the invention is to provides a kind of antibacterial antistatic material and preparation method thereof in order to overcome above the deficiencies in the prior art.
The present invention adopts following technique means to realize:
An antibacterial antistatic material, comprises in components by weight percent: PC60-70 part, PET40-60 part, tetrasodium ethylenediamine tetraacetate 0.8-2 part, 2-ethyl-4-methylimidazole 2-7 part, triethylene tetramine 0.5-1 part, solubilizing agent 3-8 part, static inhibitor 5-10 part, oxidation inhibitor 0.5-2 part, UV light absorber 0.5-1 part, lubricant 0.8-1.5 part, chitin 0.3-0.8 part, nano-silver powder 0.5-1 part.
Described antibacterial antistatic material, is preferably in components by weight percent and comprises: PC62-68 part, PET45-52 part, tetrasodium ethylenediamine tetraacetate 1-1.5 part, 2-ethyl-4-methylimidazole 4-6 part, triethylene tetramine 0.8-1 part, solubilizing agent 4-6 part, static inhibitor 6-9 part, oxidation inhibitor 0.8-1.5 part, UV light absorber 0.8-1 part, lubricant 1-1.3 part, chitin 0.5-0.7 part, nano-silver powder 0.6-0.8 part.
Described antibacterial antistatic material, solubilizing agent can be PP-g-MAH.
Static inhibitor can be polyether ester amides.
Oxidation inhibitor can be antioxidant 1010.
UV light absorber can be single phenylformic acid resorcinol.
Lubricant can be Magnesium Stearate.
The preparation method of above-described antibacterial antistatic material, is undertaken by following steps:
(1) according to weight part, take each component;
(2) load weighted each component is joined in mixing and blending machine, take rotating speed as 50-60 rev/min of stirring 20-30 minute;
(3) mixture after step (1) is mixed carries out extruding pelletization in twin screw extruder, and wherein the processing temperature of twin screw extruder is 260-280 ℃, and rotating speed is 220-260 rev/min.
Antibacterial antistatic material provided by the invention is because the product that has added tetrasodium ethylenediamine tetraacetate, 2-ethyl-4-methylimidazole and triethylene tetramine to make in component finally to obtain has excellent antibacterial and antistatic effect, in the stability test of 24 months, the antibacterial and antistatic effect of this material does not have considerable change simultaneously, therefore has continual and steady antibacterial and antistatic effect.
Embodiment:
Embodiment 1
An antibacterial antistatic material, comprises in components by weight percent: PC60 part, PET40 part, 0.8 part of tetrasodium ethylenediamine tetraacetate, 2 parts of 2-ethyl-4-methylimidazoles, 0.5 part of triethylene tetramine, solubilizing agent PP-g-MAH3 part, 5 parts of static inhibitor polyether ester amides, 0.5 part of antioxidant 1010,0.5 part of UV light absorber list phenylformic acid resorcinol, 0.8 part of magnesium stearate lubricant, 0.3 part of chitin, 0.5 part of nano-silver powder.
The preparation method of described antibacterial antistatic material, is undertaken by following steps:
(1) according to weight part, take each component;
(2) load weighted each component is joined in mixing and blending machine, take rotating speed as 50 revs/min of stirrings 20 minutes;
(3) mixture after step (1) is mixed carries out extruding pelletization in twin screw extruder, and wherein the processing temperature of twin screw extruder is 260 ℃, and rotating speed is 220 revs/min.
Embodiment 2
An antibacterial antistatic material, comprises in components by weight percent: PC62 part, PET48 part, 1 part of tetrasodium ethylenediamine tetraacetate, 3 parts of 2-ethyl-4-methylimidazoles, 0.6 part of triethylene tetramine, solubilizing agent PP-g-MAH5 part, 7 parts of static inhibitor polyether ester amides, 0.8 part of antioxidant 1010,0.9 part of UV light absorber list phenylformic acid resorcinol, 0.8 part of magnesium stearate lubricant, 0.4 part of chitin, 0.7 part of nano-silver powder.
The preparation method of described antibacterial antistatic material, is undertaken by following steps:
(1) according to weight part, take each component;
(2) load weighted each component is joined in mixing and blending machine, take rotating speed as 52 revs/min of stirrings 25 minutes;
(3) mixture after step (1) is mixed carries out extruding pelletization in twin screw extruder, and wherein the processing temperature of twin screw extruder is 265 ℃, and rotating speed is 225 revs/min.
Embodiment 3
An antibacterial antistatic material, comprises in components by weight percent: PC62 part, PET45 part, 1 part of tetrasodium ethylenediamine tetraacetate, 4 parts of 2-ethyl-4-methylimidazoles, 0.8 part of triethylene tetramine, solubilizing agent PP-g-MAH4 part, 6 parts of static inhibitor polyether ester amides, 0.8 part of antioxidant 1010,0.8 part of UV light absorber list phenylformic acid resorcinol, 1 part of magnesium stearate lubricant, 0.5 part of chitin, 0.6 part of nano-silver powder.
The preparation method of described antibacterial antistatic material, is undertaken by following steps:
(1) according to weight part, take each component;
(2) load weighted each component is joined in mixing and blending machine, take rotating speed as 55 revs/min of stirrings 26 minutes;
(3) mixture after step (1) is mixed carries out extruding pelletization in twin screw extruder, and wherein the processing temperature of twin screw extruder is 272 ℃, and rotating speed is 240 revs/min.
Embodiment 4
An antibacterial antistatic material, comprises in components by weight percent: PC65 part, PET48 part, 1.3 parts of tetrasodium ethylenediamine tetraacetates, 5 parts of 2-ethyl-4-methylimidazoles, 0.9 part of triethylene tetramine, solubilizing agent PP-g-MAH5 part, 8 parts of static inhibitor polyether ester amides, 1 part of antioxidant 1010,0.9 part of UV light absorber list phenylformic acid resorcinol, 0.2 part of magnesium stearate lubricant, 0.6 part of chitin, 0.7 part of nano-silver powder.
The preparation method of described antibacterial antistatic material, is undertaken by following steps:
(1) according to weight part, take each component;
(2) load weighted each component is joined in mixing and blending machine, take rotating speed as 58 revs/min of stirrings 30 minutes;
(3) mixture after step (1) is mixed carries out extruding pelletization in twin screw extruder, and wherein the processing temperature of twin screw extruder is 270 ℃, and rotating speed is 250 revs/min.
Embodiment 5
An antibacterial antistatic material, comprises in components by weight percent: PC67 part, PET50 part, 1.5 parts of tetrasodium ethylenediamine tetraacetates, 6 parts of 2-ethyl-4-methylimidazoles, 1 part of triethylene tetramine, solubilizing agent PP-g-MAH4 part, 7 parts of static inhibitor polyether ester amides, 1.3 parts of antioxidant 1010s, 1 part of UV light absorber list phenylformic acid resorcinol, 1.1 parts of magnesium stearate lubricants, 0.6 part of chitin, 0.7 part of nano-silver powder.
The preparation method of described antibacterial antistatic material, is undertaken by following steps:
(1) according to weight part, take each component;
(2) load weighted each component is joined in mixing and blending machine, take rotating speed as 60 revs/min of stirrings 30 minutes;
(3) mixture after step (1) is mixed carries out extruding pelletization in twin screw extruder, and wherein the processing temperature of twin screw extruder is 275 ℃, and rotating speed is 250 revs/min.
Embodiment 6
An antibacterial antistatic material, comprises in components by weight percent: PC68 part, PET52 part, 1.5 parts of tetrasodium ethylenediamine tetraacetates, 6 parts of 2-ethyl-4-methylimidazoles, 1 part of triethylene tetramine, solubilizing agent PP-g-MAH6 part, 9 parts of static inhibitor polyether ester amides, 1.5 parts of antioxidant 1010s, 1 part of UV light absorber list phenylformic acid resorcinol, 1.3 parts of magnesium stearate lubricants, 0.7 part of chitin, 0.8 part of nano-silver powder.
The preparation method of described antibacterial antistatic material, is undertaken by following steps:
(1) according to weight part, take each component;
(2) load weighted each component is joined in mixing and blending machine, take rotating speed as 60 revs/min of stirrings 28 minutes;
(3) mixture after step (1) is mixed carries out extruding pelletization in twin screw extruder, and wherein the processing temperature of twin screw extruder is 280 ℃, and rotating speed is 260 revs/min.
Embodiment 7
An antibacterial antistatic material, comprises in components by weight percent: PC70 part, PET60 part, 2 parts of tetrasodium ethylenediamine tetraacetates, 7 parts of 2-ethyl-4-methylimidazoles, 1 part of triethylene tetramine, solubilizing agent PP-g-MAH8 part, 10 parts of static inhibitor polyether ester amides, 2 parts of antioxidant 1010s, 1 part of UV light absorber list phenylformic acid resorcinol, 1.5 parts of magnesium stearate lubricants, 0.8 part of chitin, 1 part of nano-silver powder.
The preparation method of described antibacterial antistatic material, is undertaken by following steps:
(1) according to weight part, take each component;
(2) load weighted each component is joined in mixing and blending machine, take rotating speed as 60 revs/min of stirrings 30 minutes;
(3) mixture after step (1) is mixed carries out extruding pelletization in twin screw extruder, and wherein the processing temperature of twin screw extruder is 280 ℃, and rotating speed is 260 revs/min.
The antibacterial antistatic material that above embodiment is prepared carries out performance test, the results are shown in Table 1:
Antibacterial antistatic material properties test result prepared by table 1 embodiment 1-7
The antibacterial antistatic material that embodiment 1-7 is prepared is 80% in humidity, and temperature is to place 24 months under 35 ℃ of conditions, carries out surface resistivity and anti-microbial property test, and testing method is identical with table 1, the results are shown in Table 2.
Table 2 embodiment 1-7 places 24 months rear surface resistance and tests with anti-microbial property
From above testing data, can find out, the antibacterial antistatic material preparing in embodiment has physicals and antistatic and antibacterial effect well, test-results from table 1 can be found out, the material property that embodiment 4 prepares is relatively better, therefore can be used as preferred embodiment, and testing data from table 2 can be found out, placement test through 24 months, antibiotic rate and surface resistivity all do not have considerable change, therefore show that antibacterial antistatic material provided by the invention has satisfactory stability performance.
Reference example 1
According to the preparation method of embodiment 4, carry out the preparation of antibacterial antistatic material, do not add tetrasodium ethylenediamine tetraacetate, other components are identical with embodiment 4 with condition, specific as follows:
A kind of antibacterial antistatic material, in components by weight percent, comprise: PC65 part, PET48 part, 5 parts of 2-ethyl-4-methylimidazoles, 0.9 part of triethylene tetramine, solubilizing agent PP-g-MAH5 part, 8 parts of static inhibitor polyether ester amides, 1 part of antioxidant 1010,0.9 part of UV light absorber list phenylformic acid resorcinol, 0.2 part of magnesium stearate lubricant, 0.6 part of chitin, 0.7 part of nano-silver powder.
The preparation method of described antibacterial antistatic material, is undertaken by following steps:
(1) according to weight part, take each component;
(2) load weighted each component is joined in mixing and blending machine, take rotating speed as 58 revs/min of stirrings 30 minutes;
(3) mixture after step (1) is mixed carries out extruding pelletization in twin screw extruder, and wherein the processing temperature of twin screw extruder is 270 ℃, and rotating speed is 250 revs/min.
Reference example 2
According to the preparation method of embodiment 4, carry out the preparation of antibacterial antistatic material, do not add 2-ethyl-4-methylimidazole, other components are identical with embodiment 4 with condition, specific as follows:
A kind of antibacterial antistatic material, in components by weight percent, comprise: PC65 part, PET48 part, 1.3 parts of tetrasodium ethylenediamine tetraacetates, 0.9 part of triethylene tetramine, solubilizing agent PP-g-MAH5 part, 8 parts of static inhibitor polyether ester amides, 1 part of antioxidant 1010,0.9 part of UV light absorber list phenylformic acid resorcinol, 0.2 part of magnesium stearate lubricant, 0.6 part of chitin, 0.7 part of nano-silver powder.
The preparation method of described antibacterial antistatic material, is undertaken by following steps:
(1) according to weight part, take each component;
(2) load weighted each component is joined in mixing and blending machine, take rotating speed as 58 revs/min of stirrings 30 minutes;
(3) mixture after step (1) is mixed carries out extruding pelletization in twin screw extruder, and wherein the processing temperature of twin screw extruder is 270 ℃, and rotating speed is 250 revs/min.
Reference example 3
According to the preparation method of embodiment 4, carry out the preparation of antibacterial antistatic material, do not add triethylene tetramine, other components are identical with embodiment 4 with condition, specific as follows:
A kind of antibacterial antistatic material, in components by weight percent, comprise: PC65 part, PET48 part, 1.3 parts of tetrasodium ethylenediamine tetraacetates, 5 parts of 2-ethyl-4-methylimidazoles, solubilizing agent PP-g-MAH5 part, 8 parts of static inhibitor polyether ester amides, 1 part of antioxidant 1010,0.9 part of UV light absorber list phenylformic acid resorcinol, 0.2 part of magnesium stearate lubricant, 0.6 part of chitin, 0.7 part of nano-silver powder.
The preparation method of described antibacterial antistatic material, is undertaken by following steps:
(1) according to weight part, take each component;
(2) load weighted each component is joined in mixing and blending machine, take rotating speed as 58 revs/min of stirrings 30 minutes;
(3) mixture after step (1) is mixed carries out extruding pelletization in twin screw extruder, and wherein the processing temperature of twin screw extruder is 270 ℃, and rotating speed is 250 revs/min.
Reference example 4
According to the preparation method of embodiment 4, carry out the preparation of antibacterial antistatic material, do not add 2-ethyl-4-methylimidazole and triethylene tetramine, other components are identical with embodiment 4 with condition, specific as follows:
A kind of antibacterial antistatic material, in components by weight percent, comprise: PC65 part, PET48 part, 1.3 parts of tetrasodium ethylenediamine tetraacetates, solubilizing agent PP-g-MAH5 part, 8 parts of static inhibitor polyether ester amides, 1 part of antioxidant 1010,0.9 part of UV light absorber list phenylformic acid resorcinol, 0.2 part of magnesium stearate lubricant, 0.6 part of chitin, 0.7 part of nano-silver powder.
The preparation method of described antibacterial antistatic material, is undertaken by following steps:
(1) according to weight part, take each component;
(2) load weighted each component is joined in mixing and blending machine, take rotating speed as 58 revs/min of stirrings 30 minutes;
(3) mixture after step (1) is mixed carries out extruding pelletization in twin screw extruder, and wherein the processing temperature of twin screw extruder is 270 ℃, and rotating speed is 250 revs/min.
The antibacterial antistatic material that above reference example is prepared is tested according to the method for embodiment performance test, the results are shown in Table 3.
The antibacterial antistatic material properties test that table 3 reference example 1-4 obtains
From above testing data, can find out, reference example 1 is owing to not adding tetrasodium ethylenediamine tetraacetate, so surface resistivity obtained larger lifting, and the surface resistivity that can effectively reduce material that adds of tetrasodium ethylenediamine tetraacetate is described; Reference example 2 does not add respectively 2-ethyl-4-methylimidazole and triethylene tetramine with reference example 3, can find out, antibiotic rate all obviously declines, illustrate that these two kinds of components can play good anti-microbial effect, and reference example 4 is all removed two kinds of components, result shows, antibiotic rate has very large decline, illustrates that anti-microbial effect can be further played in the combination of the two.
In sum, antibacterial antistatic material provided by the invention has good antibacterial and antistatic property, can in long-time use procedure, bring into play continual and steady antibacterial and antistatic effect.
Claims (8)
1. an antibacterial antistatic material, is characterized in that, in components by weight percent, comprises: PC 60-70 part, PET40-60 part, tetrasodium ethylenediamine tetraacetate 0.8-2 part, 2-ethyl-4-methylimidazole 2-7 part, triethylene tetramine 0.5-1 part, solubilizing agent 3-8 part, static inhibitor 5-10 part, oxidation inhibitor 0.5-2 part, UV light absorber 0.5-1 part, lubricant 0.8-1.5 part, chitin 0.3-0.8 part, nano-silver powder 0.5-1 part.
2. antibacterial antistatic material according to claim 1, is characterized in that, in components by weight percent, comprises: PC 62-68 part, PET45-52 part, tetrasodium ethylenediamine tetraacetate 1-1.5 part, 2-ethyl-4-methylimidazole 4-6 part, triethylene tetramine 0.8-1 part, solubilizing agent 4-6 part, static inhibitor 6-9 part, oxidation inhibitor 0.8-1.5 part, UV light absorber 0.8-1 part, lubricant 1-1.3 part, chitin 0.5-0.7 part, nano-silver powder 0.6-0.8 part.
3. antibacterial antistatic material according to claim 1, is characterized in that, solubilizing agent is PP-g-MAH.
4. antibacterial antistatic material according to claim 1, is characterized in that, static inhibitor is polyether ester amides.
5. antibacterial antistatic material according to claim 1, is characterized in that, oxidation inhibitor is antioxidant 1010.
6. antibacterial antistatic material according to claim 1, is characterized in that, UV light absorber is single phenylformic acid resorcinol.
7. antibacterial antistatic material according to claim 1, is characterized in that, lubricant is Magnesium Stearate.
8. a preparation method for the antibacterial antistatic material described in claim 1-8 any one, is characterized in that, by following steps, is undertaken:
(1) according to weight part, take each component;
(2) load weighted each component is joined in mixing and blending machine, take rotating speed as 50-60 rev/min of stirring 20-30 minute;
(3) mixture after step (1) is mixed carries out extruding pelletization in twin screw extruder, and wherein the processing temperature of twin screw extruder is 260-280 ℃, and rotating speed is 220-260 rev/min.
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN104479326A (en) * | 2014-12-08 | 2015-04-01 | 苏州新区佳合塑胶有限公司 | Plastic material for electronic product shell |
| CN104513469A (en) * | 2014-11-26 | 2015-04-15 | 苏州新区佳合塑胶有限公司 | Antistatic antibacterial PC (polycarbonate)/ABS (acrylonitrile-butadiene-styrene copolymer) composite material |
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| WO2010143796A1 (en) * | 2009-06-12 | 2010-12-16 | 제일모직 주식회사 | Polyester/polycarbonate alloy resin composition and molded articles using same |
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| CN104072967B (en) | 2016-06-08 |
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Effective date of registration: 20170324 Address after: Zhoucun District of Shandong city in Zibo Province, 255000 west of the eastern side of the village Menglu Jiang Yang Patentee after: Zibo Dayang fire retardant products Co., Ltd. Address before: 214000 Jiangsu province Wuxi chonganou Liberation Road No. 688 Patentee before: Wuxi City Chong'an District Technology Entrepreneurship Service Center |
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| CF01 | Termination of patent right due to non-payment of annual fee | ||
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Granted publication date: 20160608 Termination date: 20180627 |