CN109181237A - A kind of preferable plastics preparation method of anti-microbial property - Google Patents
A kind of preferable plastics preparation method of anti-microbial property Download PDFInfo
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- CN109181237A CN109181237A CN201810952244.8A CN201810952244A CN109181237A CN 109181237 A CN109181237 A CN 109181237A CN 201810952244 A CN201810952244 A CN 201810952244A CN 109181237 A CN109181237 A CN 109181237A
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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
- C08L67/00—Compositions of polyesters obtained by reactions forming a carboxylic ester link in the main chain; Compositions of derivatives of such polymers
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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
- C08L61/00—Compositions of condensation polymers of aldehydes or ketones; Compositions of derivatives of such polymers
- C08L61/04—Condensation polymers of aldehydes or ketones with phenols only
- C08L61/06—Condensation polymers of aldehydes or ketones with phenols only of aldehydes with phenols
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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
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/02—Elements
- C08K3/08—Metals
- C08K2003/0806—Silver
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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
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2205/00—Polymer mixtures characterised by other features
- C08L2205/02—Polymer mixtures characterised by other features containing two or more polymers of the same C08L -group
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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
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- Chemical & Material Sciences (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Processes Of Treating Macromolecular Substances (AREA)
- Compositions Of Macromolecular Compounds (AREA)
Abstract
The invention discloses a kind of preferable plastics preparation methods of anti-microbial property, and this method is simple, and raw material is less, easy to operate, while the antibiotic plastic prepared has preferable antibacterial effect, while impact strength and tensile strength are higher, excellent in mechanical performance.By adjusting the partial size of ptfe micropowder and attapulgite, it is that ptfe micropowder can be attached to attapulgite's surface by polylactic acid, improve the interface binding power of attapulgite and plastic-substrates, facilitate the shock resistance and tensile resistance of reinforced plastics, polytetrafluoroethylene (PTFE) forms one layer of adhesive layer in attapulgite's surface simultaneously, improves the anti-aging property and corrosion resistance of plastics；It is acted synergistically using peony seed oil and silver particles, so that the anti-microbial property of plastic products is greatly improved, antibacterial effect is significant.
Description
Technical field
The invention belongs to plastics preparation technical field, especially a kind of preferable plastics preparation method of anti-microbial property.
Background technique
Plastics have become one of modern most important material, are widely used in the every field of national economy.Plastics system
Product with its graceful shape, gay colours and cheap price, become in people mouthful often life it is most commonly seen, using contact most
One of more article, it is deep by public favor.With the continuous improvement that people require product service performance, plastic functional
It needs constantly to enhance.
In the prior art, there is also antibacterial effect is not significant in the preparation process with anti-microbial property plastics, plastics
Mechanical property problem to be improved.
Summary of the invention
In view of the above-mentioned problems, the present invention is intended to provide a kind of plastics preparation method of antibacterial effect and excellent in mechanical performance.
The invention is realized by the following technical scheme:
A kind of preferable plastics preparation method of anti-microbial property, which comprises the following steps:
(1) 5-10 part ptfe micropowder, 10-15 parts of attapulgites in parts by weight are added to 20-30 times of its volume
Dehydrated alcohol in, and be heated to 50-60 DEG C, be ultrasonically treated 10-20min using 30-40Hz, 3-5 parts of peony seeds are then added
Oil, 10-20 parts of polylactic acid lotions continue to be ultrasonically treated 30-40min, are then heated to boiling, solvent is evaporated, gains are put
Enter in vaporium, places 20-30min, be freeze-dried after taking-up, obtain the ptfe micropowder-containing peony seed oil
Attapulgite；
(2) step (1) gains are added in the silver nitrate solution of 10-20 times of its volume, at 50-60 DEG C, 300-
400rpm stirs 40-60min, then places 5-6h under 80-90 DEG C, 50-60% humidity environment, filters, by gains in 30-
It is transferred in tube furnace after 40 DEG C of drying, roasts 1-2h at 400-500 DEG C, obtain carrying silver composite；
(3) silver composite, 80-100 parts of resin bases, 5-10 parts of plasticizer, 3-8 parts of dispersing agents, 3-4 will be carried obtained by step (2)
Part antioxidant is put into batch mixer jointly, and the extruding pelletization at 230-235 DEG C, is finally molded into after mixing
Type.
Further, step (1) the ptfe micropowder partial size is 5-20 μm.
Further, step (1) the attapulgite partial size is 100-500 μm.
Further, step (1) the polylactic acid emulsion solid content is 23-26%.
Further, step (2) the silver nitrate solution concentration is 0.2-0.8mol/L.
Further, step (3) resin base is polyester resin or phenolic resin.
Beneficial effects of the present invention: the method for the present invention is simple, and raw material is less, easy to operate, while the antibiotic plastic prepared
With preferable antibacterial effect, while impact strength and tensile strength are higher, excellent in mechanical performance.By adjusting polytetrafluoroethyl-ne
The partial size of alkene micro mist and attapulgite is that ptfe micropowder can be attached to attapulgite's surface by polylactic acid, is improved
The interface binding power of attapulgite and plastic-substrates, facilitates the shock resistance and tensile resistance of reinforced plastics, while poly- four
Vinyl fluoride forms one layer of adhesive layer in attapulgite's surface, improves the anti-aging property and corrosion resistance of plastics；Using male
Red seed oil and silver particles act synergistically, and so that the anti-microbial property of plastic products is greatly improved, antibacterial effect is significant.
Specific embodiment
Illustrate the present invention with specific embodiment below, but is not limitation of the present invention.
Embodiment 1
A kind of preferable plastics preparation method of anti-microbial property, which comprises the following steps:
(1) 5 parts of ptfe micropowders, 10 parts of attapulgites in parts by weight are added to the dehydrated alcohol of 20 times of its volume
In, and 50 DEG C are heated to, it is ultrasonically treated 10min using 30Hz, 3 parts of peony seed oils, 10 parts of polylactic acid lotions are then added, is continued
It is ultrasonically treated 30min, boiling is then heated to, solvent is evaporated, gains are put into vaporium, place 20in, are taken out laggard
Row freeze-drying, obtains ptfe micropowder-attapulgite containing peony seed oil；
(2) step (1) gains are added in the silver nitrate solution of 10 times of its volume, at 50 DEG C, 300rpm stirring
Then 40min places 5h under 80 DEG C, 50% humidity environment, filtering, and gains are transferred in tube furnace after 30 DEG C of drying,
1h is roasted at 400 DEG C, obtains carrying silver composite；
(3) will carry obtained by step (2) silver composite, 80 parts of resin bases, 5 parts of plasticizer, 3 parts of dispersing agents, 3 parts of antioxidants,
It is put into batch mixer jointly, after mixing the extruding pelletization at 230 DEG C, finally carries out injection molding.
Further, step (1) the ptfe micropowder partial size is 5 μm.
Further, step (1) the attapulgite partial size is 100 μm.
Further, step (1) the polylactic acid emulsion solid content is 23%.
Further, step (2) the silver nitrate solution concentration is 0.2mol/L.
Further, step (3) resin base is polyester resin or phenolic resin.
Embodiment 2
A kind of preferable plastics preparation method of anti-microbial property, which comprises the following steps:
(1) 7 parts of ptfe micropowders, 12 parts of attapulgites in parts by weight are added to the dehydrated alcohol of 25 times of its volume
In, and 55 DEG C are heated to, it is ultrasonically treated 15min using 35Hz, 4 parts of peony seed oils, 15 parts of polylactic acid lotions are then added, is continued
It is ultrasonically treated 35min, boiling is then heated to, solvent is evaporated, gains are put into vaporium, place 25min, are taken out laggard
Row freeze-drying, obtains ptfe micropowder-attapulgite containing peony seed oil；
(2) step (1) gains are added in the silver nitrate solution of 15 times of its volume, at 55 DEG C, 350rpm stirring
Then 50min places 6h under 85 DEG C, 55% humidity environment, filtering, and gains are transferred in tube furnace after 35 DEG C of drying,
2h is roasted at 450 DEG C, obtains carrying silver composite；
(3) will carry obtained by step (2) silver composite, 90 parts of resin bases, 7 parts of plasticizer, 5 parts of dispersing agents, 4 parts of antioxidants,
It is put into batch mixer jointly, after mixing the extruding pelletization at 232 DEG C, finally carries out injection molding.
Further, step (1) the ptfe micropowder partial size is 10 μm.
Further, step (1) the attapulgite partial size is 200 μm.
Further, step (1) the polylactic acid emulsion solid content is 25%.
Further, step (2) the silver nitrate solution concentration is 0.5mol/L.
Further, step (3) resin base is polyester resin or phenolic resin.
Embodiment 3
A kind of preferable plastics preparation method of anti-microbial property, which comprises the following steps:
(1) 10 parts of ptfe micropowders, 15 parts of attapulgites in parts by weight are added to the anhydrous second of 30 times of its volume
In alcohol, and 60 DEG C are heated to, are ultrasonically treated 20min using 40Hz, 5 parts of peony seed oils, 20 parts of polylactic acid lotions are then added, after
Continuous ultrasonic treatment 40min, is then heated to boiling, solvent is evaporated, and gains are put into vaporium, 30min are placed, after taking-up
It is freeze-dried, obtains ptfe micropowder-attapulgite containing peony seed oil；
(2) step (1) gains are added in the silver nitrate solution of 20 times of its volume, at 60 DEG C, 400rpm stirring
Then 60min places 6h under 90 DEG C, 60% humidity environment, filtering, and gains are transferred in tube furnace after 40 DEG C of drying,
2h is roasted at 500 DEG C, obtains carrying silver composite；
(3) will carry obtained by step (2) silver composite, 100 parts of resin bases, 10 parts of plasticizer, 8 parts of dispersing agents, 4 parts it is anti-oxidant
Agent is put into batch mixer jointly, after mixing the extruding pelletization at 235 DEG C, finally carries out injection molding.
Further, step (1) the ptfe micropowder partial size is 20 μm.
Further, step (1) the attapulgite partial size is 500 μm.
Further, step (1) the polylactic acid emulsion solid content is 26%.
Further, step (2) the silver nitrate solution concentration is 0.8mol/L.
Further, step (3) resin base is polyester resin or phenolic resin.
Comparative example 1
Ptfe micropowder partial size is replaced with 100-500 μm of addition compared to embodiment 2 by this comparative example, removes this
Except method and step it is all the same.
Comparative example 2
The addition of peony seed oil is omitted compared to embodiment 2 in this comparative example, and method and step in addition to this is all the same.
Comparative example 3
The addition of silver nitrate solution is omitted compared to embodiment 2 in this comparative example, and method and step in addition to this is homogeneous
Together.
Performance test:
Using Escherichia coli and staphylococcus aureus as experimental strain, sample obtained by each group embodiment and comparative example is resisted
Bacterium performance is tested, and tests its mechanical property.
Test result is as shown in table 1:
Table 1
As can be seen from Table 1, antibiotic plastic prepared by the present invention has preferable antibacterial effect, while impact strength and stretching
Intensity is higher, excellent in mechanical performance.
Claims (6)
1. a kind of preferable plastics preparation method of anti-microbial property, which comprises the following steps:
(1) 5-10 part ptfe micropowder, 10-15 parts of attapulgites in parts by weight are added to 20-30 times of its volume
Dehydrated alcohol in, and be heated to 50-60 DEG C, be ultrasonically treated 10-20min using 30-40Hz, 3-5 parts of peony seeds are then added
Oil, 10-20 parts of polylactic acid lotions continue to be ultrasonically treated 30-40min, are then heated to boiling, solvent is evaporated, gains are put
Enter in vaporium, places 20-30min, be freeze-dried after taking-up, obtain the ptfe micropowder-containing peony seed oil
Attapulgite；
(2) step (1) gains are added in the silver nitrate solution of 10-20 times of its volume, at 50-60 DEG C, 300-
400rpm stirs 40-60min, then places 5-6h under 80-90 DEG C, 50-60% humidity environment, filters, by gains in 30-
It is transferred in tube furnace after 40 DEG C of drying, roasts 1-2h at 400-500 DEG C, obtain carrying silver composite；
(3) silver composite, 80-100 parts of resin bases, 5-10 parts of plasticizer, 3-8 parts of dispersing agents, 3-4 will be carried obtained by step (2)
Part antioxidant is put into batch mixer jointly, and the extruding pelletization at 230-235 DEG C, is finally molded into after mixing
Type.
2. the preferable plastics preparation method of a kind of anti-microbial property according to claim 1, which is characterized in that step (1) institute
Stating ptfe micropowder partial size is 5-20 μm.
3. the preferable plastics preparation method of a kind of anti-microbial property according to claim 1, which is characterized in that step (1) institute
Stating attapulgite partial size is 100-500 μm.
4. the preferable plastics preparation method of a kind of anti-microbial property according to claim 1, which is characterized in that step (1) institute
Stating polylactic acid emulsion solid content is 23-26%.
5. the preferable plastics preparation method of a kind of anti-microbial property according to claim 1, which is characterized in that step (2) institute
Stating silver nitrate solution concentration is 0.2-0.8mol/L.
6. the preferable plastics preparation method of a kind of anti-microbial property according to claim 1, which is characterized in that step (3) institute
Stating resin base is polyester resin or phenolic resin.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810952244.8A CN109181237A (en) | 2018-08-21 | 2018-08-21 | A kind of preferable plastics preparation method of anti-microbial property |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201810952244.8A CN109181237A (en) | 2018-08-21 | 2018-08-21 | A kind of preferable plastics preparation method of anti-microbial property |
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| CN109181237A true CN109181237A (en) | 2019-01-11 |
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| CN201810952244.8A Withdrawn CN109181237A (en) | 2018-08-21 | 2018-08-21 | A kind of preferable plastics preparation method of anti-microbial property |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112409733A (en) * | 2020-11-22 | 2021-02-26 | 颍上县龙裕扬工贸有限公司 | Composite corrosion-resistant plastic product and processing method thereof |
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| CN107011849A (en) * | 2017-06-05 | 2017-08-04 | 合肥聪亨新型建材科技有限公司 | A kind of glass cement and preparation method thereof |
| CN107033570A (en) * | 2017-06-14 | 2017-08-11 | 合肥市旺友门窗有限公司 | A kind of glass fiber reinforced plastic door window profile and preparation method thereof |
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| CN107663365A (en) * | 2017-11-17 | 2018-02-06 | 成都双瑞暖通设备有限公司 | A kind of fiberglass with antibacterial functions |
-
2018
- 2018-08-21 CN CN201810952244.8A patent/CN109181237A/en not_active Withdrawn
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104861491A (en) * | 2014-10-12 | 2015-08-26 | 青岛欣展塑胶有限公司 | PTT polyester antibacterial mildew-proof master batch and preparation method therefor |
| CN106317386A (en) * | 2016-08-29 | 2017-01-11 | 佛山市高明区尚润盈科技有限公司 | Preparing method of antibacterial polylactic acid material |
| CN107011849A (en) * | 2017-06-05 | 2017-08-04 | 合肥聪亨新型建材科技有限公司 | A kind of glass cement and preparation method thereof |
| CN107033570A (en) * | 2017-06-14 | 2017-08-11 | 合肥市旺友门窗有限公司 | A kind of glass fiber reinforced plastic door window profile and preparation method thereof |
| CN107573636A (en) * | 2017-08-22 | 2018-01-12 | 芜湖蓝天工程塑胶有限公司 | High-intensity packing box and preparation method thereof |
| CN107663365A (en) * | 2017-11-17 | 2018-02-06 | 成都双瑞暖通设备有限公司 | A kind of fiberglass with antibacterial functions |
Non-Patent Citations (3)
| Title |
|---|
| 何东平: "《木本油料加工技术》", 31 December 2016 * |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112409733A (en) * | 2020-11-22 | 2021-02-26 | 颍上县龙裕扬工贸有限公司 | Composite corrosion-resistant plastic product and processing method thereof |
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