CN104389245B - A kind of preparation technology of nano Ag antibacterial fiber tableware - Google Patents
A kind of preparation technology of nano Ag antibacterial fiber tableware Download PDFInfo
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- CN104389245B CN104389245B CN201410511756.2A CN201410511756A CN104389245B CN 104389245 B CN104389245 B CN 104389245B CN 201410511756 A CN201410511756 A CN 201410511756A CN 104389245 B CN104389245 B CN 104389245B
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Abstract
Disclosed by the invention is a kind of preparation technology of nano Ag antibacterial fiber tableware, and this technique comprises following concrete steps: step one: prepare the paper pulp for the production of anti-bacterial fibre tableware; Step 2: use paper pulp molding forming equipment step one to be prepared the pulp solution obtained, production and processing becomes the tableware product of various antibacterial, environmental protection.Nano silver antimicrobials is undertaken mixing by microwave technology and conventional paper slurry and extracts by the present invention, nanometer silver antimicrobial particle is fully attached in string, then just enduringly containing the nano-silver ionic with antibacterial action in the tableware obtained by this string, dinner set product is made to have anti-microbial property, thus improve self-cleaning, the stain resistance of dinner set product, add antibacterial, the biocidal property of tableware; And utilize the light-catalyzed reaction principle of sterilization mechanism of nano silver antimicrobials, good biocidal efficacies can be reached, improve the antibacterial immunity ability of environment protecting tableware.
Description
Technical field
That the present invention relates to is a kind of preparation technology of environment protecting tableware, is more particularly a kind of preparation technology of nano Ag antibacterial fiber tableware.
Background technology
Tableware is the great articles for daily use of people's use amount, the health of tableware is also be closely related with the health of people, routine use (the especially dining room of current tableware, the public places such as hotel) in all need to carry out high-temperature disinfection treatment, but be through the tableware after disinfecting due to transport, store, in use procedure, capital touches various secondary pollution source, and secondary pollution is inevitable, so the health shape of tableware allows people worry very much, a particularly tableware, its contaminated problem is outstanding especially, the antibiotic property how strengthening tableware becomes a research direction in industry.
In recent years, surfaces externally and internally by porous material is the study hotspot that main body carries out that the self assembly of nanoparticle and load synthetic technology have become field of nanometer material technology, silver type antibacterial agent has the performance more excellent than organic antibacterial agent in security, persistence, antibiotic property, heat resistance etc., so, this kind of material be just applied to life in the middle of the 19th century and medical in.Having numerous scholar to conduct in-depth research the assembling preparation of nanometer silver type antibacterial agent in different materials abroad, be that Japan's research in this respect achieves larger progress, and part achievement achieves industrialization.Today, the research of the nanometer silver type antibacterial agent of China have also been obtained carrying out energetically, and related industry also starts flourish.
The development and apply >> material Leader of the << inorganic antiseptic of Huang Zhanjie, 1999, 13(2): 35 and Feng Naiqian, the development of the << silver type inorganic antiseptic of tight Jian Hua and application >> material Leader thereof, 1998, 12(2): the sterilization mechanism describing nano silver antimicrobials in 1: one is the haptoreaction of silver ion, namely after the silver ion in antibacterial product and bacterium haptoreaction, cause microorganism proper constituent to destroy or produce dysfunction.When the silver ion of trace arrives microbial cell film, because the latter is electronegative, rely on Coulomb attraction, two are made all firmly to adsorb, silver ion penetration cell wall enters in cell, and with its (-SH) radical reaction, make protein coagulation, destroy the activity of cell synzyme, cell loss division growth ability and dead.
In addition, silver ion can also destroy microorganisms electric transmission system, respiratory system and substance delivery system.And after thalline loses activity, silver ion can dissociate out again from thalline, repeats fungicidal property, can hold because of its antibacterial effect a little and continue for a long time.
Two is light-catalyzed reactions, the trace silver of material surface distribution, under the effect of light, the effect of catalytic active center can be played, activate the oxygen in water and air, produce hydroxyl radical free radical (OH-) and active oxygen ion (O-2), active oxygen ion has very strong oxidability, can the multiplication capacity of bacterium be destroyed at short notice and make cell death, thus reach antibacterial object.So utilize the sterilization mechanism of nano silver antimicrobials on tableware, nano silver antimicrobials is applied on tableware, tableware is made to have durable antibiotic, and this technical matters can be able to extensive use in large-scale production becomes the important research direction of in this tableware production industry one and research topic, particularly in the industry of the environment protecting tableware of disposable degradable, more seem and be even more important because disposable environmental protection tableware not only the scope of application is wide, and use amount is large, so meaning particular importance.
If China Patent Publication No. is CN1718926A, disclosed a kind of from sterilized plant fibre tableware, this patent is also the sterilization mechanism of applying nano silver antibacterial agent, utilize the diffusion of silver ion and (-SH) radical reaction of microorganism, make protein coagulation, destroy the activity of cell synzyme, cell loss division growth ability and dead, but carrying silver antimicrobials is just stirred by mixer by this patent simply, just produce tableware for hot pressing, its technique simple coarse, realizability is poor, carrying silver antimicrobials use amount is huge, and this nano silver antimicrobials cannot mix with fibre pulp solution fully, more cannot be applied to large-scale processing.
Therefore, in the industry of this area, low in the urgent need to a kind of cost, the processing of antibiotic property and the strong nanometer silver antimicrobial tableware of antibacterial durability can be obtained process and technological process.
Summary of the invention
Disclosed by the invention is a kind of preparation technology of nano Ag antibacterial fiber tableware, its main purpose is to overcome prior art above shortcomings and shortcoming, provides a kind of cost is low, can obtain the processing of antibiotic property and the strong nanometer silver antimicrobial tableware of antibacterial durability process and technological process.
The technical solution used in the present invention is as follows:
A preparation technology for nano Ag antibacterial fiber tableware, is characterized in that: described preparation technology comprises following concrete steps:
Step one: prepare the paper pulp for the production of anti-bacterial fibre tableware, its concrete steps are as follows:
1) oven dry stock of biodegradable process of plant fiber pulp bagasse, tangerine bar, reed natural plants fibrid are mixed with amylum adhesive puts into the container for mixing;
2) joined by the nano-silver water solution of high concentration in the container in step 1) gradually, the mixed solution of obtained highly concentrated nano silver and paper pulp, wherein, the mass ratio of Nano Silver and this paper pulp oven dry stock is: Nano Silver: oven dry stock=0.4 ~ 0.5:100;
3) being in the state of 65o ~ 75o in normal pressure, temperature, by step 2) the highly concentrated nano silver that obtains carries out ultrasonic wave with the mixed liquor of paper pulp and mixes, and obtains nanometer silver antimicrobial paper pulp;
4) under the state of normal temperature and pressure, add the aqueous solution in the nanometer silver antimicrobial paper pulp obtained by step 3) to dilute, finally obtain the pulp solution for the production of paper tableware, wherein, the oven dry stock of this pulp solution and the mass ratio of pulp solution are: oven dry stock: pulp solution=0.3 ~ 0.4:100;
Step 2: use paper pulp molding forming equipment step one to be prepared the pulp solution obtained, production and processing becomes the tableware product of various antibacterial, environmental protection, and its concrete steps are as follows:
1) pulp solution that step one is finally obtained is carried out homogenized, fully stir by this pulp solution and make it even, for next step operation;
2) pulp solution after step 1) homogenized is carried out, quantitatively for slurry, paper pulp being quantitatively transported in paper pulp molding forming equipment, being produced into the forming slurry base of tableware;
3) by step 2) obtained slurry base transfers in wet base former, carries out High-Pressure Water trimming and cleaning to slurry base, and form paper pulp and to wet base;
4) base that wet by the paper pulp that step 3) is obtained carries out thermocompression forming process, the moulded pulp set for dining of obtained nanometer silver antimicrobial type;
5) the tableware product that step 4) is obtained is carried out automatically collecting counting, then pack further, reach full-automatic and produce.
Further, the 1st of described step one) in step, described plant fiber does not comprise xylophyta fibrid and gramineae plant fibrid.
Further, the 2nd of described step one) in step, in the nano-silver water solution of this high concentration, the mass ratio of Nano Silver and nano-silver water solution is: Nano Silver: nano-silver water solution=35 ~ 40:100.
Further, the mass ratio of described Nano Silver and nano-silver water solution is: Nano Silver: nano-silver water solution=40:100.
Further, in described nano-silver water solution, Nano Silver is the inorganic antiseptic of particle diameter at 0.2 ~ 0.4nm.
Further, the 2nd of described step one) in step, the mass ratio of Nano Silver and this paper pulp oven dry stock is: Nano Silver: oven dry stock=0.5:100.
Further, the 3rd of described step one) in step, the incorporation time of ultrasonic wave mixing is 10 ~ 15 minutes.
Further, the 4th of described step one) in step, the oven dry stock of this pulp solution and the mass ratio of pulp solution are: oven dry stock: pulp solution=0.4:100.
Known by the above-mentioned description of this invention, compare with existing technology, the invention has the advantages that:
1, nano silver antimicrobials is undertaken mixing by microwave technology and conventional paper slurry and extracts by the present invention, nanometer silver antimicrobial particle is fully attached in string, like this, just enduringly containing the nano-silver ionic with antibacterial action in the tableware obtained by this string, dinner set product is made to have anti-microbial property, thus improve self-cleaning, the stain resistance of dinner set product, add antibacterial, the biocidal property of tableware; And utilize the light-catalyzed reaction principle of sterilization mechanism of nano silver antimicrobials, good biocidal efficacies can be reached, improve the antibacterial immunity ability of environment protecting tableware.
2, prepare by this technological process the use amount that dinner set product not only can save nano silver antimicrobials widely, and reality is antibacterial, antibacterial and bactericidal effect ground is that prior art is incomparable, reduce production cost, improve product quality and product quality.
3, this technological process realizes full-automatic production operation completely, and can produce multiple dinner set product on same production line, whole production system energy-conserving and environment-protective, and product is antibacterial, antibacterial and bactericidal properties is good, has very high production application and is worth.
Detailed description of the invention
Below the specific embodiment of the present invention is described further.
A preparation technology for nano Ag antibacterial fiber tableware, described preparation technology comprises following concrete steps:
Step one: prepare the paper pulp for the production of anti-bacterial fibre tableware, its concrete steps are as follows:
1) oven dry stock of the biodegradable process of plant fiber pulp be mixed with amylum adhesive by the natural plants fibrids such as bagasse, tangerine bar, reed puts into the container for mixing, and wherein this plant fiber does not comprise xylophyta fibrid and gramineae plant fibrid;
2) be 40% by concentration, Nano Silver particle diameter joins in the container in step 1) at the nano-silver water solution of 0.2 ~ 0.4nm gradually, and the mixed solution of obtained highly concentrated nano silver and paper pulp, wherein, the mass ratio of Nano Silver and this paper pulp oven dry stock is: receive
Meter Yin: oven dry stock=0.4:100;
3) be in the state of 65o ~ 75o in normal pressure, temperature, by step 2) highly concentrated nano that obtains silver carries out ultrasonic wave with the mixed liquor of paper pulp and mixes, and obtains nanometer silver antimicrobial paper pulp, wherein, when ultrasonic wave mixing starts, temperature remains on about 75o, then, along with the carrying out of reaction, temperature declines gradually, end temperature drops to about 65o, and the incorporation time of ultrasonic wave mixing is 10 ~ 15 minutes;
4) under the state of normal temperature and pressure, add the aqueous solution in the nanometer silver antimicrobial paper pulp obtained by step 3) and dilute,
Finally obtain the pulp solution for the production of paper tableware, wherein, the oven dry stock of this pulp solution and the mass ratio of pulp solution are: oven dry stock: pulp solution=0.3:100.
Step 2: use paper pulp molding forming equipment step one to be prepared the pulp solution obtained, production and processing becomes the tableware product of various antibacterial, environmental protection, and its concrete steps are as follows:
1) pulp solution that step one is finally obtained is carried out homogenized, fully stir by this pulp solution and make it even, for next step operation;
2) pulp solution after step 1) homogenized is carried out, quantitatively for slurry, paper pulp being quantitatively transported in paper pulp molding forming equipment, being produced into the forming slurry base of tableware;
3) by step 2) obtained slurry base transfers in wet base former, carries out High-Pressure Water trimming and cleaning to slurry base, and form paper pulp and to wet base;
4) base that wet by the paper pulp that step 3) is obtained carries out thermocompression forming process, the moulded pulp set for dining of obtained nanometer silver antimicrobial type;
5) the tableware product that step 4) is obtained is carried out automatically collecting counting, then pack further, reach full-automatic and produce.
This technological process realizes full-automatic production operation completely, and can produce multiple dinner set product on same production line, whole production system energy-conserving and environment-protective, and product is antibacterial, antibacterial and bactericidal properties is good, has very high production application and is worth.
Antibiotic property detection is carried out to the product that the present invention obtains, the results are shown in Table 1, table 2, table 3 and table 4.
Table 1: under drying condition, common cutlery box and antibacterial cutlery box bacterial content compares
Table 2: under wet condition, common cutlery box and antibacterial cutlery box bacterial content compares
Table 3: under drying condition, common cutlery box and antibacterial cutlery box bacterial species compares
Table 4: common cutlery box and all kinds of comparing of antibacterial cutlery box bacterium under wet condition
Shown by the above-mentioned data that realize, nano Ag antibacterial fiber tableware, under the condition of varying environment, can keep antibacterial, the biocidal property of tableware, has obvious bactericidal immune function, is a kind ofly to have antibacterial, mildew-resistant, health, clean environment-protection type tableware.
Nano silver antimicrobials is undertaken mixing by microwave technology and conventional paper slurry and extracts by the present invention, nanometer silver antimicrobial particle is fully attached in string, like this, just enduringly containing the nano-silver ionic with antibacterial action in the tableware obtained by this string, dinner set product is made to have anti-microbial property, thus improve self-cleaning, the stain resistance of dinner set product, add antibacterial, the biocidal property of tableware; And utilize the light-catalyzed reaction principle of sterilization mechanism of nano silver antimicrobials, good biocidal efficacies can be reached, improve the antibacterial immunity ability of environment protecting tableware.
Prepare by this technological process the use amount that dinner set product not only can save nano silver antimicrobials widely, and reality is antibacterial, antibacterial and bactericidal effect ground is that prior art is incomparable, reduces production cost, improves product quality and product quality.
Above are only the specific embodiment of the present invention, but design concept of the present invention be not only confined to this, everyly utilize this design to improve with carrying out unsubstantiality the present invention, the behavior of infringement scope all should be belonged to.
Claims (8)
1. a preparation technology for nano Ag antibacterial fiber tableware, is characterized in that: described preparation technology comprises following concrete steps:
Step one: prepare the paper pulp for the production of anti-bacterial fibre tableware, its concrete steps are as follows:
1) oven dry stock of biodegradable process of plant fiber pulp bagasse, tangerine bar, reed natural plants fibrid are mixed with amylum adhesive puts into the container for mixing;
2) joined by the nano-silver water solution of high concentration in the container in step 1) gradually, the mixed solution of obtained highly concentrated nano silver and paper pulp, wherein, the mass ratio of Nano Silver and this paper pulp oven dry stock is: Nano Silver: oven dry stock=0.4 ~ 0.5:100;
3) being in the state of 65o ~ 75o in normal pressure, temperature, by step 2) the highly concentrated nano silver that obtains carries out ultrasonic wave with the mixed liquor of paper pulp and mixes, and obtains nanometer silver antimicrobial paper pulp;
4) under the state of normal temperature and pressure, add water in the nanometer silver antimicrobial paper pulp obtained by step 3) to dilute, finally obtain the pulp solution for the production of paper tableware, wherein, the oven dry stock of this pulp solution and the mass ratio of pulp solution are: oven dry stock: pulp solution=0.3 ~ 0.4:100;
Step 2: use paper pulp molding forming equipment step one to be prepared the pulp solution obtained, production and processing becomes the tableware product of various antibacterial, environmental protection, and its concrete steps are as follows:
1) pulp solution that step one is finally obtained is carried out homogenized, fully stir by this pulp solution and make it even, for next step operation;
2) pulp solution after step 1) homogenized is carried out, quantitatively for slurry, paper pulp being quantitatively transported in paper pulp molding forming equipment, being produced into the forming slurry base of tableware;
3) by step 2) obtained slurry base transfers in wet base former, carries out High-Pressure Water trimming and cleaning to slurry base, and form paper pulp and to wet base;
4) base that wet by the paper pulp that step 3) is obtained carries out thermocompression forming process, the moulded pulp set for dining of obtained nanometer silver antimicrobial type;
5) the tableware product that step 4) is obtained is carried out automatically collecting counting, then pack further, reach full-automatic and produce.
2. the preparation technology of a kind of nano Ag antibacterial fiber tableware according to claim 1, is characterized in that: the 1st of described step one) in step, described plant fiber does not comprise xylophyta fibrid and gramineae plant fibrid.
3. the preparation technology of a kind of nano Ag antibacterial fiber tableware according to claim 1, it is characterized in that: the 2nd of described step one) in step, in the nano-silver water solution of this high concentration, the mass ratio of Nano Silver and nano-silver water solution is: Nano Silver: nano-silver water solution=35 ~ 40:100.
4. the preparation technology of a kind of nano Ag antibacterial fiber tableware according to claim 3, is characterized in that: the mass ratio of described Nano Silver and nano-silver water solution is: Nano Silver: nano-silver water solution=40:100.
5. the preparation technology of a kind of nano Ag antibacterial fiber tableware according to claim 3, is characterized in that: in described nano-silver water solution, and Nano Silver is the inorganic antiseptic of particle diameter at 0.2 ~ 0.4nm.
6. the preparation technology of a kind of nano Ag antibacterial fiber tableware according to claim 1, is characterized in that: the 2nd of described step one) in step, the mass ratio of Nano Silver and this paper pulp oven dry stock is: Nano Silver: oven dry stock=0.5:100.
7. the preparation technology of a kind of nano Ag antibacterial fiber tableware according to claim 1, is characterized in that: the 3rd of described step one) in step, the incorporation time of ultrasonic wave mixing is 10 ~ 15 minutes.
8. the preparation technology of a kind of nano Ag antibacterial fiber tableware according to claim 1, is characterized in that: the 4th of described step one) in step, the oven dry stock of this pulp solution and the mass ratio of pulp solution are: oven dry stock: pulp solution=0.4:100.
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| CN105133430A (en) * | 2015-08-13 | 2015-12-09 | 合肥龙发包装有限公司 | Antibacterial paper production method |
| CN105088901B (en) * | 2015-08-13 | 2017-01-11 | 合肥龙发包装有限公司 | Production method for packaging box paper |
| CN105252629B (en) * | 2015-09-02 | 2017-07-14 | 安徽省蓼源贸易有限责任公司 | A kind of method of discarded plant craft articles |
| CN107476142A (en) * | 2017-09-20 | 2017-12-15 | 台山市世亨包装材料有限公司 | A kind of environment-friendly antibacterial tableware and preparation method thereof |
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| CN107556538A (en) * | 2017-10-26 | 2018-01-09 | 台山市世亨包装材料有限公司 | A kind of Degradable environment protection antibacterial tableware and preparation method thereof |
| CN107653752A (en) * | 2017-10-26 | 2018-02-02 | 台山市世亨包装材料有限公司 | A kind of Degradable environment protection antibacterial tableware and preparation method thereof |
| CN107652474A (en) * | 2017-10-26 | 2018-02-02 | 台山市世亨包装材料有限公司 | A kind of Degradable environment protection antibacterial tableware and preparation method thereof |
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| DE10315749A1 (en) * | 2003-04-04 | 2004-10-14 | Thüringisches Institut für Textil- und Kunststoff-Forschung (TITK) e.V. | Process for the preparation of cellulosic moldings having a functional effect |
| KR20040099688A (en) * | 2003-05-20 | 2004-12-02 | 주식회사 한울 | Manufacturing apparatus of the rot prevention foodstuffs container |
| US7439280B2 (en) * | 2004-04-06 | 2008-10-21 | Basf Corporation | Lignocellulosic composite material and method for preparing the same |
| CN1718926A (en) * | 2004-07-07 | 2006-01-11 | 广西力丰生态材料有限公司 | Self disinfectation plant fiber dining ware |
| KR20040087307A (en) * | 2004-09-23 | 2004-10-13 | 양원동 | Nano silver contain knife, pork, spoon chopsticks |
| WO2006066488A1 (en) * | 2004-12-21 | 2006-06-29 | Anson Nanotechnology Group Co., Ltd. | Manufacturing methods and applications of antimicrobial plant fibers having silver particles |
| SE530340C8 (en) * | 2006-03-10 | 2008-06-24 | Tomas Jaernmark | Device and method in connection with fiber forming |
| EP2058365A1 (en) * | 2007-11-09 | 2009-05-13 | Byung-Hoon Park | Sawdust-reinforced pulp material and method of producing the same |
| CN202577030U (en) * | 2012-05-20 | 2012-12-05 | 泉州市远东环保设备有限公司 | Automatic proportioning system in pulp molding |
| CN102733268B (en) * | 2012-06-20 | 2016-02-10 | 泉州市远东环保设备有限公司 | Automation paper pulp is molded as, shape connected combination machine and the technique that adopts thereof |
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Address after: No. 523, Ji'an Road, Tong'an Industrial Cluster, Tong'an District, Xiamen, Fujian, 361199 Patentee after: Far East Zhongqian (Xiamen) Technology Group Co.,Ltd. Address before: No. 523, Ji'an Road, Tong'an Industrial Cluster, Tong'an District, Xiamen, Fujian, 361199 Patentee before: GEOTEGRITY ECO PACK (XIAMEN) Co.,Ltd. |