CN104558846A - Nano-copper antibacterial plastic masterbatch and preparation method thereof - Google Patents
Nano-copper antibacterial plastic masterbatch and preparation method thereof Download PDFInfo
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- CN104558846A CN104558846A CN201510005821.9A CN201510005821A CN104558846A CN 104558846 A CN104558846 A CN 104558846A CN 201510005821 A CN201510005821 A CN 201510005821A CN 104558846 A CN104558846 A CN 104558846A
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L23/00—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers
- C08L23/02—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers not modified by chemical after-treatment
- C08L23/10—Homopolymers or copolymers of propene
- C08L23/12—Polypropene
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J3/00—Processes of treating or compounding macromolecular substances
- C08J3/20—Compounding polymers with additives, e.g. colouring
- C08J3/22—Compounding polymers with additives, e.g. colouring using masterbatch techniques
- C08J3/226—Compounding polymers with additives, e.g. colouring using masterbatch techniques using a polymer as a carrier
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J2323/00—Characterised by the use of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Derivatives of such polymers
- C08J2323/02—Characterised by the use of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Derivatives of such polymers not modified by chemical after treatment
- C08J2323/10—Homopolymers or copolymers of propene
- C08J2323/12—Polypropene
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J2491/00—Characterised by the use of oils, fats or waxes; Derivatives thereof
- C08J2491/06—Waxes
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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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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2201/00—Properties
- C08L2201/08—Stabilised against heat, light or radiation or oxydation
Abstract
The invention discloses a nano-copper antibacterial plastic masterbatch and a preparation method thereof. The antibacterial plastic masterbatch is prepared from the following components in parts by weight: 1-10 parts of an antioxidant, 1-20 parts of liquid paraffin, 1-30 parts of a nano-copper antibacterial agent and 40-90 parts of a plastic body. The preparation method comprises the following steps: raw material pretreatment, mixing, extruding and pelletizing. The antibacterial plastic masterbatch disclosed by the invention has the advantages of simple production process, high universality, good machinability and the like; continuous large-scale production can be achieved; the plastic product obtained by the plastic processing manners such as injection molding and extruding has a good antibacterial effect; and the mechanical property of the plastic product is not affected by addition of the antibacterial masterbatch.
Description
Technical field
The present invention relates to a kind of technical field of polymer composite materials.Be specifically related to a kind of Nanometer Copper mother particles of antibacterial plastics and preparation method thereof.
Background technology
Along with the raising of industrial expansion progress and people's living standard, people are more and more higher for the requirement of product safety, life and Working environment health.Plastics are owing to having light weight, and not corrosion, easy-formation, good insulating, the advantage such as do not absorb water, and becomes the manufacture raw material of various articles for daily use, especially being in the kitchen in wet environment for a long time, bath articles field is widely used especially.Due to daily touched plastics, as: the great majority such as phone, computer, washing machine, refrigerator, power switch, handrail of public transport, table trencher, toilet do not possess antibacterial, bacterium is easy to stick to surface of plastic products breeding and propagates, bring larger puzzlement to the health of people, this has the function of antibacterial and mouldproof with regard to the plastics requiring us daily used.
Antibiotic plastic is give plastics anti-microbial property by adding antiseptic-germicide in the feed mostly.The antiseptic-germicide that plastics are conventional mainly includes machine, inorganic, natural three large series, and because inorganic antiseptic has, antibacterial timeliness is long, resistant to elevated temperatures feature, can adapt to plastic working, be widely used in antibiotic plastic.Nano antiseptic plastic utilizes nanotechnology to be scattered in fully in plastics inorganic nano-class antibacterial agent, the bacterium be attached on plastics can be killed or suppress it to grow.Due to the special effects of nano-powder particle size, substantially increase overall antibacterial effect, make high temperature resistant, powder fineness, dispersiveness and effect be obtained for and give full play to, produce lasting antibacterial effect.
At present, inorganic antiseptic conventional on market is silver system and zinc series antibacterial agent, though silver-series antibacterial agent has higher sterilizing ability, because it has higher chemical potential 0.798 volt (25 DEG C), chemical stability is poor, under uviolizing or after being heated to certain temperature, silver ions is reduced to argent, and is converted into silver suboxide immediately, makes goods become ash, blackening, this not only lowers its commercial value, also reduce its anti-microbial property.In addition, silver-series antibacterial agent price is higher, and fungal resistance is more weak.Though zinc series antibacterial agent is without discoloration problem, low price, its anti-microbial property is low, can not meet antibacterial requirement.
Summary of the invention
For overcoming the deficiencies in the prior art, the present invention is for a kind of Nanometer Copper mother particles of antibacterial plastics and preparation method thereof.
A kind of Nanometer Copper mother particles of antibacterial plastics, is characterized in that, be made up of following parts by weight of component: oxidation inhibitor 1-10 part, whiteruss 1-20 part, copper nanoparticle antiseptic-germicide 1-30 part, plastic body 40-90 part.
Described oxidation inhibitor is Hinered phenols antioxidant recombiner.
Described whiteruss molecular weight is 200 ~ 500.
Described Nanometer Copper antiseptic-germicide particle diameter is 50 nm ~ 500 nm.
Described plastic body is acrylic plastering resin.
A preparation method for Nanometer Copper mother particles of antibacterial plastics, is characterized in that, comprises the following steps:
A, pre-treatment Nanometer Copper and plastic body, first get copper nanoparticle, is placed in 50-200 DEG C of baking oven inner drying 4 hours, removing Copper Powder Surface moisture; Plastic body is treated to the plastic powders of particle diameter between 1 μm-20 μm;
B, take copper nanoparticle, plastics powder, whiteruss, oxidation inhibitor respectively according to mass ratio, mix;
C, carried out extruding processing, pelletizing by mixed raw material twin screw extruder, cryodrying obtains the finished product.
Setting twin screw extruder optimum configurations in described step c is: 80 ~ 150 DEG C, a district, two 100 ~ 150 DEG C, districts, three 120 ~ 170 DEG C, districts, four 130 ~ 180 DEG C, districts, five 150 ~ 200 DEG C, districts, six 150 ~ 200 DEG C, districts, seven 150 ~ 220 DEG C, districts, eight 150 ~ 220 DEG C, districts, nine 150 ~ 220 DEG C, districts, engine speed 50 ~ 250 rpm, feeding rotating speed 5 ~ 25 rpm.
Because metal antibacterial ability is Ag
+> Cu
2+> Zn
2+and copper series antibacterial agent cost ratio silver is cheap, and there is effect of mildew-resistant, at present, copper series antibacterial agent is used for rubber item because of the reason of self color and processing characteristics, almost do not have in plastics, therefore problem to be solved by this invention is a kind of cheap, good stability of exploitation, and anti-microbial property is only second to the Nanometer Copper antibiotic plastic of silver.
Mother particles of antibacterial plastics beneficial effect of the present invention is:
1. the preferred copper nanoparticle of mother particles of antibacterial plastics of the present invention is as antiseptic-germicide, avoids the shortcoming of silver system and zinc series antibacterial agent, has widened the range of application of copper nanoparticle in antibiotic plastic.
2. to have technique simple for mother particles of antibacterial plastics of the present invention; good dispersity; temperature tolerance is good, antibacterial and mouldproof is good and non-environmental-pollution, can the feature such as continuity large-scale industrial production; the plastics obtained have antimicrobial long-acting excellent properties fast, and adding of mother particles of antibacterial plastics does not affect its mechanical property.
3. by pretreating raw material in step one, plastic raw materials PP being processed into particle diameter is 1 μm ~ 20 μm powder, removing Nanometer Copper antiseptic-germicide surface adsorption moisture, again plastic raw materials powder and antiseptic-germicide component, oxidation inhibitor, whiteruss are carried out melt extruding and granulation, just can obtain the uniform mother particles of antibacterial plastics of antimicrobial component, and when mother particles of antibacterial plastics manufacture method of the present invention made is used for the manufacture of plastics, also make this antiseptic-germicide component be easier to be uniformly distributed, thus can play more complete effective antibacterial and mouldproof effect.
Accompanying drawing explanation
Fig. 1 is the SEM figure of antibiotic plastic prepared by the embodiment of the present invention 1.
Embodiment
The present invention is described in detail below by specific examples, but protection scope of the present invention is not limited to these examples of implementation.
Embodiment 1: a kind of mother particles of antibacterial plastics, the weight part of each component is as follows: acrylic resin 40 parts, whiteruss 20 parts, 10 parts, oxidation inhibitor, Nanometer Copper antiseptic-germicide 30 parts, during preparation, first pretreating raw material, acrylic resin is treated to the plastic powders of particle diameter between 1 μm ~ 20 μm and drying treatment is carried out to Nanometer Copper antibacterial powder, then according to this area ordinary method, each component is carried out blended, process with twin screw extruder, twin screw extruder optimum configurations is: 90 DEG C, a district, two 120 DEG C, districts, three 130 DEG C, districts, four 150 DEG C, districts, five 160 DEG C, districts, six 180 DEG C, districts, seven 190 DEG C, districts, eight 190 DEG C, districts, nine 200 DEG C, districts, engine speed 100 rpm, feeding rotating speed 10 rpm, pelletizing, cryodrying.The SEM figure of the mother particles of antibacterial plastics that the present embodiment is prepared is illustrated in fig. 1 shown below.
Embodiment 2: a kind of mother particles of antibacterial plastics, the weight part of each component is as follows: acrylic resin 80 parts, whiteruss 1 part, 3 parts, oxidation inhibitor, Nanometer Copper antiseptic-germicide 16 parts, during preparation, first pretreating raw material, acrylic resin is treated to the plastic powders of particle diameter between 1 μm ~ 20 μm and drying treatment is carried out to Nanometer Copper antibacterial powder, then according to this area ordinary method, each component is carried out blended, process with twin screw extruder, twin screw extruder optimum configurations is: 120 DEG C, a district, two 130 DEG C, districts, three 140 DEG C, districts, four 150 DEG C, districts, five 160 DEG C, districts, six 190 DEG C, districts, seven 190 DEG C, districts, eight 200 DEG C, districts, nine 200 DEG C, districts, engine speed 150 rpm, feeding rotating speed 15 rpm, pelletizing, cryodrying.The mother particles of antibacterial plastics getting the present embodiment obtained is injection molded into plastics batten and model respectively, and test main Mechanical and the anti-microbial property of this antibiotic plastic, result is respectively as shown in following table 1, table 2.
Embodiment 3: a kind of mother particles of antibacterial plastics, the weight part of each component is as follows: acrylic resin 85 parts, whiteruss 3 parts, 1 part, oxidation inhibitor, Nanometer Copper antiseptic-germicide 11 parts, during preparation, first pretreating raw material, acrylic resin is treated to the plastic powders of particle diameter between 1 μm ~ 20 μm and drying treatment is carried out to Nanometer Copper antibacterial powder, then according to this area ordinary method, each component is carried out blended, process with twin screw extruder, twin screw extruder optimum configurations is: 130 DEG C, a district, two 150 DEG C, districts, 3 170 DEG C, four 180 DEG C, districts, five 180 DEG C, districts, six 185 DEG C, districts, seven 185 DEG C, districts, eight 195 DEG C, districts, nine 195 DEG C, districts, engine speed 200 rpm, feeding rotating speed 20 rpm, pelletizing, cryodrying.The mother particles of antibacterial plastics getting the present embodiment obtained is injection molded into plastics batten and model respectively, and test main Mechanical and the anti-microbial property of this antibiotic plastic, result is respectively as shown in following table 1, table 2.
Embodiment 4: a kind of mother particles of antibacterial plastics, the weight part of each component is as follows: acrylic resin 90 parts, whiteruss 4 parts, 5 parts, oxidation inhibitor, Nanometer Copper antiseptic-germicide 1 part, during preparation, first pretreating raw material, acrylic resin is treated to the plastic powders of particle diameter between 1 μm ~ 20 μm and drying treatment is carried out to Nanometer Copper antibacterial powder, then according to this area ordinary method, each component is carried out blended, process with twin screw extruder, twin screw extruder optimum configurations is: 100 DEG C, a district, two 120 DEG C, districts, 3 135 DEG C, four 155 DEG C, districts, five 165 DEG C, districts, six 185 DEG C, districts, seven 185 DEG C, districts, eight 210 DEG C, districts, nine 210 DEG C, districts, engine speed 220 rpm, feeding rotating speed 23 rpm, pelletizing, cryodrying.The mother particles of antibacterial plastics getting the present embodiment obtained is injection molded into plastics batten and model respectively, and test main Mechanical and the anti-microbial property of this antibiotic plastic, result is respectively as shown in following table 1, table 2.
The main Mechanical of the antibiotic plastic of embodiment 2, example 3 and example 4 preparation
Testing method and standard: tensile strength GB/T1040-2006, elongation at break GB/T1040-2006, shock strength GB/T1843-2008, flexural strength GB/T9341-2000.
Table 1 is the main Mechanical of the antibiotic plastic of the embodiment of the present invention 2, example 3 and example 4 preparation
Table 2 is the anti-microbial property of the Nanometer Copper antibiotic plastic of the embodiment of the present invention 2, example 3 and example 4 preparation
Three, the anti-microbial property of the antibiotic plastic of embodiment 2, example 3 and example 4 preparation
Detect according to GB2591-2003 detection method and standard
The anti-microbial property of the antibiotic plastic of table 2 embodiment 2, example 3 and example 4 preparation
Claims (7)
1. a Nanometer Copper mother particles of antibacterial plastics, is characterized in that, is made up of following parts by weight of component: oxidation inhibitor 1-10 part, whiteruss 1-20 part, copper nanoparticle antiseptic-germicide 1-30 part, plastic body 40-90 part.
2. Nanometer Copper mother particles of antibacterial plastics according to claim 1, is characterized in that: described oxidation inhibitor is Hinered phenols antioxidant recombiner.
3. Nanometer Copper mother particles of antibacterial plastics according to claim 1, is characterized in that: described whiteruss molecular weight is 200 ~ 500.
4. Nanometer Copper mother particles of antibacterial plastics according to claim 1, is characterized in that: described Nanometer Copper antiseptic-germicide particle diameter is 50 nm ~ 500 nm.
5. Nanometer Copper mother particles of antibacterial plastics according to claim 1, is characterized in that: described plastic body is acrylic plastering resin.
6., according to the preparation method of the arbitrary described Nanometer Copper mother particles of antibacterial plastics of claim 1-5, it is characterized in that, comprise the following steps:
A, pre-treatment Nanometer Copper and plastic body, first get copper nanoparticle, is placed in 50-200 DEG C of baking oven inner drying 4 hours, removing Copper Powder Surface moisture; Plastic body is treated to the plastic powders of particle diameter between 1 μm-20 μm;
B, take copper nanoparticle, plastics powder, whiteruss, oxidation inhibitor respectively according to mass ratio, mix;
C, carried out extruding processing, pelletizing by mixed raw material twin screw extruder, cryodrying obtains the finished product.
7. the preparation method of Nanometer Copper mother particles of antibacterial plastics according to claim 6, it is characterized in that: setting twin screw extruder optimum configurations in described step c is: 80 ~ 150 DEG C, a district, two 100 ~ 150 DEG C, districts, three 120 ~ 170 DEG C, districts, four 130 ~ 180 DEG C, districts, five 150 ~ 200 DEG C, districts, six 150 ~ 200 DEG C, districts, seven 150 ~ 220 DEG C, districts, eight 150 ~ 220 DEG C, districts, nine 150 ~ 220 DEG C, districts, engine speed 50 ~ 250 rpm, feeding rotating speed 5 ~ 25 rpm.
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106519433A (en) * | 2016-11-01 | 2017-03-22 | 上海纳米技术及应用国家工程研究中心有限公司 | Artemisinin antibacterial plastic master batch, preparation and application thereof |
| CN106854380A (en) * | 2016-12-19 | 2017-06-16 | 钦州市科学技术开发中心 | A kind of mother particles of antibacterial plastics and preparation method thereof |
| CN109161104A (en) * | 2018-09-29 | 2019-01-08 | 桐城市强峰包装有限公司 | A kind of polypropylene plastics of safety durable and preparation method thereof |
| CN109294062A (en) * | 2018-09-20 | 2019-02-01 | 安徽江淮汽车集团股份有限公司 | A kind of antibacterial PP composite material and preparation method |
| CN111171447A (en) * | 2020-01-20 | 2020-05-19 | 深圳市捷安纳米复合材料有限公司 | Bactericidal plastic master batch and preparation method and application thereof |
| CN116218071A (en) * | 2023-03-15 | 2023-06-06 | 佛山市瑞志医疗科技有限公司 | EVA antibacterial insole and preparation method thereof |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106519433A (en) * | 2016-11-01 | 2017-03-22 | 上海纳米技术及应用国家工程研究中心有限公司 | Artemisinin antibacterial plastic master batch, preparation and application thereof |
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| CN109161104A (en) * | 2018-09-29 | 2019-01-08 | 桐城市强峰包装有限公司 | A kind of polypropylene plastics of safety durable and preparation method thereof |
| CN111171447A (en) * | 2020-01-20 | 2020-05-19 | 深圳市捷安纳米复合材料有限公司 | Bactericidal plastic master batch and preparation method and application thereof |
| CN111171447B (en) * | 2020-01-20 | 2021-09-14 | 深圳市捷安纳米复合材料有限公司 | Bactericidal plastic master batch and preparation method and application thereof |
| CN116218071A (en) * | 2023-03-15 | 2023-06-06 | 佛山市瑞志医疗科技有限公司 | EVA antibacterial insole and preparation method thereof |
| CN116218071B (en) * | 2023-03-15 | 2023-11-21 | 佛山市瑞志医疗科技有限公司 | EVA antibacterial insole and preparation method thereof |
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