CN102250456A - Antibacterial polylactic acid dinnerware and preparation method thereof - Google Patents
Antibacterial polylactic acid dinnerware and preparation method thereof Download PDFInfo
- Publication number
- CN102250456A CN102250456A CN2011101572112A CN201110157211A CN102250456A CN 102250456 A CN102250456 A CN 102250456A CN 2011101572112 A CN2011101572112 A CN 2011101572112A CN 201110157211 A CN201110157211 A CN 201110157211A CN 102250456 A CN102250456 A CN 102250456A
- Authority
- CN
- China
- Prior art keywords
- antibacterial
- polylactic acid
- tableware
- antibacterial polylactic
- preparation
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
- B29C48/03—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor characterised by the shape of the extruded material at extrusion
- B29C48/04—Particle-shaped
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Compositions Of Macromolecular Compounds (AREA)
- Agricultural Chemicals And Associated Chemicals (AREA)
- Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
Abstract
The invention provides an antibacterial polylactic acid dinnerware and a preparation method thereof. The components of the antibacterial polylactic acid dinnerware are as follows by weight percent in proportion: 95-98% of polylactic acid resin, 1-4.5% of superfine antibacterial powder and 0.5-1% of surfactant. The preparation method provided by the invention comprises the following steps of: firstly, processing the superfine antibacterial agent and preparing antibacterial master batch from the treated superfine antibacterial agent together with the crushed polylactic acid grains; and finally extruding the antibacterial master batch and the polylactic acid grains in a certain ratio and then granulating. The antibacterial rate of the antibacterial polylactic acid dinnerware provided by the invention on the colon bacillus is more than 96.3% and the antibacterial rate on the staphylococcus aureus is more than 65%; and the antibacterial polylactic acid dinnerware provided by the invention has the advantages of good product molding property, durability and washable performance, good quality, biodegradability and the like.
Description
Technical field
The present invention relates to a kind of antibacterial polylactic acid tableware and preparation method thereof, belong to the synthetic and processing technique field of macromolecular material.
Background technology
Compare with common conventional plastic, except possessing the good advantage of the easy machine-shaping of conventional plastic, light weight and physical strength, polylactic acid raw material derives from the natural reproducible green plants, has biodegradable, is a kind of new green environment protection macromolecular material.Along with the continuous enhancing of environmental protection in recent years, health and health consciousness, people also increase day by day to the demand of antibacterial polylactic acid tableware.Domestic development and production poly(lactic acid) tableware a lot, but Shang Weiyou development and produce the report of antibacterial polylactic acid tableware.The main method for preparing antibiotic tableware has: surperficial Method for bonding, laminating and post-treatment facture etc.
No. 1899046 Chinese invention patent provides a kind of novel antibacterial melamine material, and this material is that antimicrobial powder is added in the melamine at normal temperatures, mixes, and grinds 2～5 hours under 80～100 ℃ of temperature then, until evenly.Adopt laminating that film layer is pressed on the tableware afterwards, thereby make the tableware product reach the antimicrobial effect.
No. 201046013 Chinese utility model patent provides a kind of automatic sterilization series baby tableware apparatus.This patent is to be made by body material, has firmly applied the chemical paint top layer of anti-microbial effect at substrate material surface; Or in the making magma of this body material, add chemical antiseptic-germicide; Or body material adopts physical materials such as face porcelain disinfection technology.This utility model can make tableware and other tool for baby reach long-term or nonvolatil antibiotic and sterilizing effect, and by prior art, the tableware apparatus is had can carry out long-term or permanent disinfectant function to self surface; Safe and feasible can not cause any harm to the baby simultaneously, is a kind of hygienic safety coefficient height, novel baby's tableware apparatus of novel concept.
No. 1298902 Chinese invention patent provides the production method of a kind of antibiotic tableware and material thereof, be to adopt harmless plastics and plant degradation powder, add an amount of disinfection medicine or nano-antibacterial powder, through mixing, kneading, composite and operation such as all mix, tableware is processed in compacting or injection moulding, compares with traditional tableware, itself has germ resistance, thereby saved a large amount of sterilization work, time saving and energy saving and have no side effect, be suitable for widespread use; Yet this antibiotic tableware mainly is to adopt surperficial Method for bonding and laminating to be prepared, and complex process and employed material can not be degraded.
Summary of the invention
In view of this, the object of the present invention is to provide a kind of antibacterial polylactic acid tableware.
Another object of the present invention is to provide a kind of preparation method of antibacterial polylactic acid tableware.
For achieving the above object, the invention provides a kind of poly(lactic acid) tableware, the proportioning of described each components based on weight percentage of antibacterial polylactic acid tableware is:
Polylactic resin 95%～98%;
Ultrafine anti-bacterial powder 1%～4.5%;
Tensio-active agent 0.5%～1%.
Preferably, wherein said ultrafine anti-bacterial powder is selected from one or more in the following material: carry silver-colored fluorite, carry silver-colored phosphoric acid salt, carry silver-colored titanium dioxide, zinc oxide, titanium dioxide, calcium oxide and ZnOw.
Preferably, wherein said tensio-active agent is selected from one or more in the following material: alkylsulfonate, alkylbenzene sulfonate, phosphoric acid ester, fatty acid ester, fatty alcohol-polyoxyethylene ether and vitriol thereof, polyoxyethylene carboxylate, titanate coupling agent, silane coupling agent and organo-siloxane.
For achieving the above object, the invention provides a kind of preparation method of antibacterial polylactic acid tableware, said method comprising the steps of:
1) processing of antimicrobial powder: ultrafine anti-bacterial powder is added in the kneader, the aqueous isopropanol that adds tensio-active agent then, in 90 ℃ of mechanical stirring reaction 4h, suction filtration, use 90 ℃ of extracting 5h of Virahol subsequently, 50 ℃ of vacuum-drying 12h are by extractive mode, the various tensio-active agents of physical adsorption in superfine antibiotic agent surface are removed, obtain the antimicrobial powder of surface modification;
2) preparation of antibacterial matrices: the poly(lactic acid) particle is ground into particle, 80～110 ℃ of following vacuum-dryings 10～24 hours, add the antimicrobial powder after the step 1) that accounts for poly(lactic acid) particle weight 10～70% is handled then, add the lubricant that weight is antimicrobial powder weight 0.5～10% again, inject twin screw extruder, extruding pelletization is to make the antibacterial polylactic acid master batch, wherein, the screw rod processing temperature is 190～260 ℃;
3) preparation of antibacterial polylactic acid pellet: with common poly(lactic acid) particle and step 2) the antibacterial polylactic acid master batch that makes vacuum-drying 10～24 hours under 80～140 ℃ temperature respectively, the metering back uses the common poly(lactic acid) proportion of particles of 5～50 weight parts to put in the twin screw according to every weight part antibacterial matrices, extruding pelletization, wherein, the screw rod processing temperature is 190～260 ℃;
4) preparation of antibacterial polylactic acid tableware: the antibacterial polylactic acid pellet that step 3) is made vacuum-drying 10～24 hours under 80～140 ℃ temperature condition is prepared into pellet behind the sheet material calendering or direct injection moulding as required and obtains tableware.
The adding of described antimicrobial powder strengthens the physical strength of poly(lactic acid) when wherein, can make base material have antibacterial; Antimicrobial powder after described tensio-active agent is handled has good dispersing property in the poly(lactic acid) macromolecular material.
The present invention has the following advantages:
1) machine-shaping is good, excellent product quality;
2) product has a broad antifungal spectrum surpasses 96.3% to colibacillary bacteriostasis rate, surpasses 65% for the bacteriostasis rate of streptococcus aureus;
3) with respect to silver antiseptic, cheap, the not allochroic advantage of product that zinc class antiseptic-germicide has;
4) its raw material sources is the natural reproducible green plants, and product is biodegradable, belongs to the environmental protection Health tableware.
Embodiment
Below in conjunction with specific embodiment technical solution of the present invention is further described.
Embodiment 1
1) processing of antimicrobial powder: that gets the 1kg median size and be 50 nanometers contains the inorganic ultrafine anti-bacterial powder of zinc (Hebei tremble with fear hawk industry and trade company limited), put into vacuum drying oven, drying is 8 hours under 120 ℃, dried powder is joined in the high speed kneader of 10L, add 2000g, the aqueous isopropanol of 50% vinyl triethoxyl siloxanes, at 90 ℃, under the condition of 300rpm, use Virahol 90 ℃ of extractings 5 hours, then 50 ℃ of vacuum-dryings 12 hours, by repeatedly washing the mode of suction filtration after mediating processing 100min, the various coupling agents of physical adsorption in zinc oxide surface are removed, obtain surface treated functional antibiosis powder;
2) preparation of antibacterial polylactic acid master batch: 5kg poly(lactic acid) particle is ground into particle,, mixes, and add 30g 120 with 2kg functional antibiosis powder after the above-mentioned surface treatment 110 ℃ of vacuum-dryings 10 hours
#White oil is as lubricant, and under 210 ℃ of conditions, extruding pelletization on twin screw extruder obtains the antibacterial polylactic acid master batch, and wherein, the screw rod processing temperature is 200 ℃;
3) preparation of antibacterial polylactic acid pellet: with common poly(lactic acid) particle and step 2) the antibacterial polylactic acid master batch that makes vacuum-drying 12 hours under 120 ℃ temperature respectively, putting in the twin screw after the common poly(lactic acid) particle of 93kg being mixed with it, is extruding pelletization under 200 ℃ the condition in the screw rod processing temperature again.
4) preparation of antibacterial polylactic acid tableware:, on injector, process and make the antibacterial polylactic acid tableware with 200 ℃ of conditions with the vacuum-drying after 8 hours under 120 ℃ of conditions of the above-mentioned antibacterial polylactic acid pellet that makes.
The antibacterial polylactic acid tableware that injection is obtained carries out antibacterial tests, and the result shows that this antibacterial polylactic acid tableware surpasses 96.3% for colibacillary bacteriostasis rate, surpasses 65% for the bacteriostasis rate of streptococcus aureus.
Embodiment 2
1) processing of antimicrobial powder: that gets the 4.5kg median size and be 50 nanometers contains the inorganic ultrafine anti-bacterial powder of zinc (Hebei tremble with fear hawk industry and trade company limited), put into vacuum drying oven, drying is 10 hours under 100 ℃, dried powder is joined in the high speed kneader of 10L, add 1000g, the aqueous isopropanol of 50% titanate coupling agent KR-238T, at 90 ℃, under the condition of 300rpm, use Virahol 90 ℃ of extractings 5 hours, then 50 ℃ of vacuum-dryings 12 hours, by repeatedly washing the mode of suction filtration after mediating processing 100min, the various coupling agents of physical adsorption in zinc oxide surface are removed, obtain surface treated functional antibiosis powder;
2) preparation of antibacterial polylactic acid master batch: 5kg poly(lactic acid) particle is ground into particle,, mixes, and add 30g 120 with 5kg functional antibiosis powder after the above-mentioned surface treatment 110 ℃ of vacuum-dryings 10 hours
#White oil is as lubricant, and under 190 ℃ of conditions, extruding pelletization on twin screw extruder obtains the antibacterial polylactic acid master batch, and wherein, the screw rod processing temperature is 190 ℃;
3) preparation of antibacterial polylactic acid pellet: with common poly(lactic acid) particle and step 2) the antibacterial polylactic acid master batch that makes vacuum-drying 12 hours under 120 ℃ temperature respectively, putting in the twin screw after the common poly(lactic acid) particle of 90kg being mixed with it, is extruding pelletization under 190 ℃ the condition in the screw rod processing temperature again.
4) preparation of antibacterial polylactic acid tableware:, on injector, process and make the antibacterial polylactic acid tableware with 210 ℃ of conditions with the vacuum-drying after 8 hours under 140 ℃ of conditions of the above-mentioned antibacterial polylactic acid pellet that makes.
The antibacterial polylactic acid tableware that injection is obtained carries out antibacterial tests, and the result shows that this antibacterial polylactic acid tableware surpasses 98.3% for colibacillary bacteriostasis rate, surpasses 71% for the bacteriostasis rate of streptococcus aureus.
Embodiment 3
1) processing of antimicrobial powder: according to mass ratio is that 4: 1 ratio is got the mixture 2kg that contains the inorganic ultrafine anti-bacterial powder of zinc and ZnOw (Hebei tremble with fear hawk industry and trade company limited), put into vacuum drying oven, drying is 10 hours under 100 ℃, dried powder is joined in the high speed kneader of 10L, add 1000g, the aqueous isopropanol of 50% titanate coupling agent KR-238T, at 90 ℃, under the condition of 300rpm, use Virahol 90 ℃ of extractings 5 hours after mediating processing 100min, then 50 ℃ of vacuum-dryings 12 hours, by repeatedly washing the mode of suction filtration, the various coupling agents of physical adsorption in zinc oxide surface are removed, obtain surface treated functional antibiosis powder;
2) preparation of antibacterial polylactic acid master batch: 5kg poly(lactic acid) particle is ground into particle,, mixes, and add 30g 120 with 2.5kg functional antibiosis powder after the above-mentioned surface treatment 110 ℃ of vacuum-dryings 10 hours
#White oil is as lubricant, and under 190 ℃ of conditions, extruding pelletization on twin screw extruder obtains having the poly(lactic acid) master batch of antibacterial, and wherein, the screw rod processing temperature is 190 ℃;
3) preparation of antibacterial polylactic acid pellet: with common poly(lactic acid) particle and step 2) the antibacterial polylactic acid master batch that makes vacuum-drying 12 hours under 120 ℃ temperature respectively, putting in the twin screw after the common poly(lactic acid) particle of 92.5kg being mixed with it, is extruding pelletization under 190 ℃ the condition in the screw rod processing temperature again.
4) preparation of antibacterial polylactic acid tableware:, on injector, process and make the antibacterial polylactic acid tableware with 210 ℃ of conditions with the vacuum-drying after 8 hours under 140 ℃ of conditions of the above-mentioned antibacterial polylactic acid pellet that makes.
The antibacterial polylactic acid tableware that injection is obtained carries out antibacterial tests, and the result shows that this antibacterial polylactic acid tableware surpasses 99.6% for colibacillary bacteriostasis rate, surpasses 75% for the bacteriostasis rate of streptococcus aureus.
Embodiment 4:
1) processing of antimicrobial powder: get 1.5kg and carry silver-colored fluorite (Japanese river product fuel corporation), put into vacuum drying oven, drying is 8 hours under 110 ℃, dried powder is joined in the high speed kneader of 10L, add 1000g, the aqueous isopropanol of 50% titanate coupling agent KR-238T, at 90 ℃, under the condition of 300rpm, use Virahol 90 ℃ of extractings 5 hours, then 50 ℃ of vacuum-dryings 12 hours, by repeatedly washing the mode of suction filtration after mediating processing 100min, the various coupling agents of physical adsorption in the ZnOw surface are removed, obtain surface treated functional antibiosis powder;
2) preparation of antibacterial polylactic acid master batch: 5kg poly(lactic acid) particle is ground into particle,, mixes, and add 20g 120 with 2kg functional antibiosis powder after the above-mentioned surface treatment 120 ℃ of vacuum-dryings 10 hours
#White oil is as lubricant, and under 190 ℃ of conditions, extruding pelletization on twin screw extruder obtains having the poly(lactic acid) master batch of antibacterial, and wherein, the screw rod processing temperature is 190 ℃;
3) preparation of antibacterial polylactic acid pellet: with common poly(lactic acid) particle and step 2) the antibacterial polylactic acid master batch that makes vacuum-drying 16 hours under 140 ℃ temperature respectively, putting in the twin screw after the common poly(lactic acid) particle of 93kg being mixed with it, is extruding pelletization under 180 ℃ the condition in the screw rod processing temperature again.
4) preparation of antibacterial polylactic acid tableware:, on injector, process and make the antibacterial polylactic acid tableware with 220 ℃ of conditions with the vacuum-drying after 10 hours under 160 ℃ of conditions of the above-mentioned antibacterial polylactic acid pellet that makes.
The antibacterial polylactic acid tableware that injection is obtained carries out antibacterial tests, and the result shows that this antibacterial polylactic acid tableware surpasses 97.2% for colibacillary bacteriostasis rate, surpasses 68% for the bacteriostasis rate of streptococcus aureus.
Embodiment 5:
1) processing of antimicrobial powder: get 3kg and carry silver-colored titanium dioxide (Guangzhou grace nanosecond science and technology company limited), put into vacuum drying oven, drying is 8 hours under 110 ℃, dried powder is joined in the high speed kneader of 10L, add 1000g, the aqueous isopropanol of 50% titanate coupling agent KR-238T, at 90 ℃, under the condition of 300rpm, use Virahol 90 ℃ of extractings 5 hours, then 50 ℃ of vacuum-dryings 12 hours, by repeatedly washing the mode of suction filtration after mediating processing 100min, the various coupling agents of physical adsorption in the ZnOw surface are removed, obtain surface treated functional antibiosis powder;
2) preparation of antibacterial polylactic acid master batch: 8kg poly(lactic acid) particle is ground into particle,, mixes, and add 20g 120 with 3.5kg functional antibiosis powder after the above-mentioned surface treatment 120 ℃ of vacuum-dryings 10 hours
#White oil is as lubricant, and under 200 ℃ of conditions, extruding pelletization on twin screw extruder obtains having the poly(lactic acid) master batch of antibacterial, and wherein, the screw rod processing temperature is 200 ℃;
3) preparation of antibacterial polylactic acid pellet: with common poly(lactic acid) particle and step 2) the antibacterial polylactic acid master batch that makes vacuum-drying 16 hours under 120 ℃ temperature respectively, putting in the twin screw after the common poly(lactic acid) particle of 88.5kg being mixed with it, is extruding pelletization under 195 ℃ the condition in the screw rod processing temperature again.
4) preparation of antibacterial polylactic acid tableware:, on injector, process and make the antibacterial polylactic acid tableware with 210 ℃ of conditions with the vacuum-drying after 10 hours under 120 ℃ of conditions of the above-mentioned antibacterial polylactic acid pellet that makes.
The antibacterial polylactic acid tableware that injection is obtained carries out antibacterial tests, and the result shows that this antibacterial polylactic acid tableware surpasses 98.1% for colibacillary bacteriostasis rate, surpasses 70% for the bacteriostasis rate of streptococcus aureus.
The inorganic antiseptic that the present invention selects for use is novel Zinc-oxide-based antiseptic-germicide.Production and sales in the market mostly be silver-series antibacterial agent (silver ions and compound thereof).Because silver salt has very strong photosensitized reaction, meet light or all very easily variable colors of prolonged preservation, make its range of application be very restricted.The zinc oxide antiseptic-germicide of selecting for use has not only shown significant anti-microbial property, and the comparison wide prospect is arranged on range of application, and it does not need illumination can show antibiotic resistance performance, and nontoxic, pollution-free, belongs to the environment-friendly type antibiotic agent; Secondly, consider that commercially available silver is that the price of nano antibacterial agent is 10000 yuan/100g now, and the commercially available price of Zinc-oxide-based antiseptic-germicide only is 51 yuan/100g, belongs to economical anti-biotic material from economical and practical aspect; In addition, this anti-biotic material promptly can show excellent antibacterial effect under equal complete processing, wherein, ZnOw is four angled construction, have unique space four angled construction, in whole antibiotic system, will form an antibiotic network, improve antibacterial effect, and the complete processing of this material be simple.Therefore, antibacterial polylactic acid tableware provided by the present invention has advantages such as cost is low, technology is simple.
The above is preferred embodiment of the present invention only, is not to be used to limit scope of patent protection of the present invention.
Claims (4)
1. an antibacterial polylactic acid tableware is characterized in that, the proportioning of described each components based on weight percentage of antibacterial polylactic acid tableware is:
Polylactic resin 95%～98%;
Ultrafine anti-bacterial powder 1%～4.5%;
Tensio-active agent 0.5%～1%.
2. antibiotic lactic acid tableware according to claim 1, it is characterized in that described ultrafine anti-bacterial powder is selected from one or more in the following material: carry silver-colored fluorite, carry silver-colored phosphoric acid salt, carry silver-colored titanium dioxide, zinc oxide, titanium dioxide, calcium oxide and ZnOw.
3. antibacterial polylactic acid tableware according to claim 1, it is characterized in that described tensio-active agent is selected from one or more in the following material: alkylsulfonate, alkylbenzene sulfonate, phosphoric acid ester, fatty acid ester, fatty alcohol-polyoxyethylene ether and vitriol thereof, polyoxyethylene carboxylate, titanate coupling agent, silane coupling agent and organo-siloxane.
4. the preparation method of the described antibiotic lactic acid tableware of claim 1 is characterized in that, said method comprising the steps of:
1) processing of antimicrobial powder: ultrafine anti-bacterial powder is added in the kneader, the aqueous isopropanol that adds tensio-active agent then, in 90 ℃ of mechanical stirring reaction 4h, suction filtration, use 90 ℃ of extracting 5h of Virahol subsequently, 50 ℃ of vacuum-drying 12h are by extractive mode, the various tensio-active agents of physical adsorption in the ultrafine anti-bacterial powder surface are removed, obtain the antimicrobial powder of surface modification;
2) preparation of antibacterial matrices: the poly(lactic acid) particle is ground into particle, 80～110 ℃ of following vacuum-dryings 10～24 hours, add the antimicrobial powder after the step 1) that accounts for poly(lactic acid) particle weight 10～70% is handled then, add the lubricant that weight is antimicrobial powder weight 0.5～10% again, inject twin screw extruder, extruding pelletization is to make the antibacterial polylactic acid master batch, wherein, the screw rod processing temperature is 190～260 ℃;
3) preparation of antibacterial polylactic acid pellet: with common poly(lactic acid) material and step 2) the antibacterial polylactic acid master batch that makes vacuum-drying 10～24 hours under 80～140 ℃ temperature respectively, the metering back uses the common poly(lactic acid) proportion of particles of 5～50 weight parts to put in the twin screw according to every weight part antibacterial matrices, extruding pelletization, to make the antibacterial polylactic acid pellet, wherein, the screw rod processing temperature is 190～260 ℃;
4) preparation of antibacterial polylactic acid tableware: the antibacterial polylactic acid pellet that step 3) is made vacuum-drying 10～24 hours under 80～140 ℃ temperature condition is prepared into pellet behind the sheet material calendering or direct injection moulding as required and obtains tableware.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011101572112A CN102250456A (en) | 2011-06-13 | 2011-06-13 | Antibacterial polylactic acid dinnerware and preparation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011101572112A CN102250456A (en) | 2011-06-13 | 2011-06-13 | Antibacterial polylactic acid dinnerware and preparation method thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN102250456A true CN102250456A (en) | 2011-11-23 |
Family
ID=44978040
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011101572112A Pending CN102250456A (en) | 2011-06-13 | 2011-06-13 | Antibacterial polylactic acid dinnerware and preparation method thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102250456A (en) |
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104072955A (en) * | 2013-03-26 | 2014-10-01 | 上海杰事杰新材料(集团)股份有限公司 | An antibacterial polylactic acid composite material and a preparing method thereof |
| CN104861120A (en) * | 2015-05-27 | 2015-08-26 | 允友成(宿迁)复合新材料有限公司 | Preparation method of environment-friendly long-acting antibacterial polylactic acid material |
| CN106883553A (en) * | 2017-04-17 | 2017-06-23 | 成都交大晶宇科技有限公司 | Wear-resisting U.S. vessel of resistance to ware of antibacterial and preparation method thereof |
| CN107201015A (en) * | 2017-07-04 | 2017-09-26 | 重庆晋豪美耐皿制品有限公司 | A kind of antibacterial heat-proof polylactic acid tableware and preparation method thereof |
| CN108610551A (en) * | 2016-12-13 | 2018-10-02 | 佛山市顺德区美的电热电器制造有限公司 | A kind of anti-microbial plastic composition and anti-biotic material and preparation method and application |
| CN108948703A (en) * | 2018-08-07 | 2018-12-07 | 万卓（武汉）新材料有限公司 | A kind of weather-proof degradation plastic bottle and preparation method thereof |
| CN109553939A (en) * | 2017-09-27 | 2019-04-02 | 江南大学 | A kind of non-migrating type efficient antiseptic composite material and preparation method thereof |
| CN110218427A (en) * | 2019-06-28 | 2019-09-10 | 王新华 | A kind of high strength easy-to-degrade antibacterial environment protection poly-lactic acid material |
| CN112029249A (en) * | 2020-08-21 | 2020-12-04 | 安徽同光邦飞生物科技有限公司 | Biodegradable polylactic acid antibacterial film and preparation method thereof |
| CN113604015A (en) * | 2021-08-03 | 2021-11-05 | 同曦集团有限公司 | Photocatalyst polylactic acid antibacterial masterbatch and preparation method and application thereof |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1891870A (en) * | 2005-07-05 | 2007-01-10 | 中国石化仪征化纤股份有限公司 | Method for producing antibacterial polylactic acid fiber |
| CN101215411A (en) * | 2008-01-21 | 2008-07-09 | 南京大学 | Light degradation antibiotic polylactic acid material and preparation method thereof |
-
2011
- 2011-06-13 CN CN2011101572112A patent/CN102250456A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1891870A (en) * | 2005-07-05 | 2007-01-10 | 中国石化仪征化纤股份有限公司 | Method for producing antibacterial polylactic acid fiber |
| CN101215411A (en) * | 2008-01-21 | 2008-07-09 | 南京大学 | Light degradation antibiotic polylactic acid material and preparation method thereof |
Non-Patent Citations (1)
| Title |
|---|
| 金宗泽: "《无机抗菌材料及应用》", 1 August 2004, 化学工业出版社 * |
Cited By (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104072955B (en) * | 2013-03-26 | 2017-06-27 | 上海杰事杰新材料(集团)股份有限公司 | A kind of antibacterial polylactic acid composite and preparation method thereof |
| CN104072955A (en) * | 2013-03-26 | 2014-10-01 | 上海杰事杰新材料(集团)股份有限公司 | An antibacterial polylactic acid composite material and a preparing method thereof |
| CN104861120A (en) * | 2015-05-27 | 2015-08-26 | 允友成(宿迁)复合新材料有限公司 | Preparation method of environment-friendly long-acting antibacterial polylactic acid material |
| CN108610551A (en) * | 2016-12-13 | 2018-10-02 | 佛山市顺德区美的电热电器制造有限公司 | A kind of anti-microbial plastic composition and anti-biotic material and preparation method and application |
| CN106883553A (en) * | 2017-04-17 | 2017-06-23 | 成都交大晶宇科技有限公司 | Wear-resisting U.S. vessel of resistance to ware of antibacterial and preparation method thereof |
| CN107201015A (en) * | 2017-07-04 | 2017-09-26 | 重庆晋豪美耐皿制品有限公司 | A kind of antibacterial heat-proof polylactic acid tableware and preparation method thereof |
| CN109553939B (en) * | 2017-09-27 | 2022-08-19 | 江南大学 | Non-migration type efficient antibacterial composite material and preparation method thereof |
| CN109553939A (en) * | 2017-09-27 | 2019-04-02 | 江南大学 | A kind of non-migrating type efficient antiseptic composite material and preparation method thereof |
| WO2019062675A1 (en) * | 2017-09-27 | 2019-04-04 | 江南大学 | Non-migrating high-efficiency antibacterial composite material and manufacturing method therefor |
| CN108948703A (en) * | 2018-08-07 | 2018-12-07 | 万卓（武汉）新材料有限公司 | A kind of weather-proof degradation plastic bottle and preparation method thereof |
| CN108948703B (en) * | 2018-08-07 | 2021-04-13 | 万卓（武汉）新材料有限公司 | Weather-resistant degradable plastic bottle and preparation method thereof |
| CN110218427A (en) * | 2019-06-28 | 2019-09-10 | 王新华 | A kind of high strength easy-to-degrade antibacterial environment protection poly-lactic acid material |
| CN112029249A (en) * | 2020-08-21 | 2020-12-04 | 安徽同光邦飞生物科技有限公司 | Biodegradable polylactic acid antibacterial film and preparation method thereof |
| CN113604015A (en) * | 2021-08-03 | 2021-11-05 | 同曦集团有限公司 | Photocatalyst polylactic acid antibacterial masterbatch and preparation method and application thereof |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102250456A (en) | Antibacterial polylactic acid dinnerware and preparation method thereof | |
| CN103483669B (en) | A kind of Antibiotic nanometer flame-retardant plastic and preparation method thereof | |
| CN102675817B (en) | Antibacterial plastic for household appliances and preparation method thereof | |
| CN102627795B (en) | Mildew and static resistant wood-plastic composite material and preparation method thereof | |
| CN104804361A (en) | Antibacterial resin composite material and preparation method thereof | |
| CN110804247B (en) | Chitosan microsphere-loaded nano-silver antibacterial polypropylene material, composite antibacterial agent and preparation method thereof | |
| CN103467828A (en) | Antibacterial plastic and preparation method thereof | |
| CN111875883B (en) | Nano antibacterial antifouling table and chair plastic particles and preparation method thereof | |
| CN105670092A (en) | LDPE (low-density polyethylene) antibacterial plastic and preparation method therefor | |
| CN105330962A (en) | Preparation method of super-tough antibacterial masterbatch with high concentration | |
| CN105524260A (en) | Method for preparing copper oxide/cuprous oxide-based antibacterial material through in situ polymerization | |
| CN110254014A (en) | A kind of high-efficiency antimicrobial ABS plastic and preparation method thereof | |
| CN103709643A (en) | Antibacterial terylene master batch and preparation method thereof | |
| CN105199236A (en) | Antibacterial composite and preparing method thereof | |
| CN102898727A (en) | Polypropylene master batch with functions of anti-bacteria, and mildew and algae prevention and preparation method of polypropylene master batch | |
| CN101967332A (en) | Antibacterial coating for plastic surfaces, preparation method thereof and method for producing antibacterial plastic product | |
| CN108003555A (en) | A kind of environment-friendly type antibiotic ABS plastic and preparation method thereof | |
| CN103571162A (en) | PET (polyethylene terephthalate) antibacterial material | |
| CN113462028A (en) | Nano antibacterial agent for plastics and preparation method thereof | |
| CN106366595A (en) | Antibacterial polylactic acid composite and preparation method thereof | |
| CN105801976B (en) | A kind of HDPE antibiotic plastics and preparation method thereof | |
| CN103788645A (en) | Antibacterial reinforced nylon material and preparation method thereof | |
| CN102850651A (en) | Antioxidation and antibacterial polypropylene material and preparation method thereof | |
| CN103172991A (en) | Novel long-lasting antibacterial polylactic acid plastic and preparation method thereof | |
| CN111777827A (en) | Modified PVC material and preparation method thereof |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20111123 |