CN102517993B - Packaging and printing paper substrate with antibacterial property, and preparation method thereof - Google Patents
Packaging and printing paper substrate with antibacterial property, and preparation method thereof Download PDFInfo
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- CN102517993B CN102517993B CN201110428155.1A CN201110428155A CN102517993B CN 102517993 B CN102517993 B CN 102517993B CN 201110428155 A CN201110428155 A CN 201110428155A CN 102517993 B CN102517993 B CN 102517993B
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Abstract
The invention provides a packaging and printing paper substrate with antibacterial property. The printability of the paper substrate is good, and surface coating is adopted in the preparation of the paper substrate. The packaging and printing paper substrate comprises a paper substrate layer; aqueous coating material layers containing an antibacterial agent are uniformly coated on the upper and lower surfaces of the paper substrate. The antibacterial agent comprises an antibacterial functional material and a carrier. The antibacterial functional material is nano-grade silver or nano-grade silver and nano-grade copper. The carrier is nano-grade calcium carbonate. The weight percentages of the components are that: nano-grade metal silver takes 0.5-12.5%, nano-grade metal copper takes 0-1%, and nano-grade calcium carbonate takes 86.5-99.5%. The content of the antibacterial functional material in the aqueous coating material layers is 1-27ppm. According to the packaging paper substrate provided by the invention, inorganic nano-grade particles are adopted as the antibacterial functional component, and nano-grade calcium carbonate is adopted as the carrier of the antibacterial functional component. The paper substrate is advantaged in good antibacterial effect, low specific gravity, low cost, and improved printability. The paper substrate is especially suitable to be used in packaging paper in need of printing processing. The invention also provides a preparation method of the packaging and printing paper substrate.
Description
Technical field
The present invention relates to a kind of packaging base material, relate in particular to a kind of packaging paper substrate that is suitable for printing, more specifically relate to a kind of packages printing paper substrate that there is anti-microbial property and be suitable for printing.The invention still further relates to the preparation method of above-mentioned packages printing paper substrate.
Background technology
At present, printing packaging paper substrate for fields such as food, medicine, cosmetics mainly contains two kinds, one is soft paper substrate, another kind is hard paper substrate, they are common paper base material, normally after making beating, directly deliver to web part of paper machine by paper pulp and manufacture paper with pulp and make, and this paper substrate does not generally possess antibacterial function, in the processes such as follow-up printing processing, circulation, sale and use, can be subject to the pollution of various bacteriums and fungi.Along with expanding economy and growth in the living standard, people have proposed new requirement to package paper, and opposing bacterium is exactly one of them.The Chinese utility model patent that the patent No. is 200620113237.1, denomination of invention is " a kind of anti-bacteria paper ", disclose a kind of anti-bacteria paper that is coated with antibiotic layer on the fibrolaminar upper and lower surface of paper, this antibiotic layer is that the hydroxyapatite inorganic antiseptic of argentiferous, zinc ion mixes composition with Cypres; Because zinc ion oxidation activity is high, easily affect its antibacterial effect with airborne material generation chemical reaction, and adopt the carrier of hydroxyapatite as silver, zinc ion, because hydroxyapatite proportion is excessive, reach 3.2g/cm
3, can increase like this proportion of paper, cause the trouble of following process and use.The patent No. is 200710032549.9, denomination of invention is the patent of invention of " inorganic silver-impregnated zeolite antibiotic papers and preparation method thereof ", disclose by being first that 20～30% sodium nitrate solutions mix with the solid-to-liquid ratio of 1g/ml by zeolite and mass concentration, at 70～95 DEG C, react 1～2 hour, centrifugal, washing, make Na type zeolite, load again the silver ion of high level by ion-exchange, make the inorganic Ag-carried antibacterial zeolite of paper grade (stock), then this antibacterial zeolite particles is added to manufacture paper with pulp page or mix with coating and carry out surface-coated of wet end, thereby obtain the paper with anti-microbial property, due to this method complex process, zeolite need research to the performance impact of paper in addition, thereby the method fails to be widely applied so far.In addition, above-mentioned two patents, the diameter of carrier of employing is all excessive, can not form the colloid of good stability with coating, gloss oil etc., and easily precipitation, is not too suitable for the coating on top layer.
Summary of the invention
For solving the problem of above existence, the object of this invention is to provide the packages printing paper substrate with anti-microbial property that a kind of printability is good, adopt top layer coating.
Another object of the present invention is to provide the above-mentioned preparation method with anti-microbial property packages printing paper substrate.
For realizing above object, of the present invention have an anti-microbial property packages printing paper substrate, comprises paper substrate, it is characterized in that: be coated with the water paint layer containing antiseptic, this antiseptic comprises antibiotic functional material and carrier the upper and lower surface uniform of described paper substrate, antibiotic functional material is Nano Silver or Nano Silver and Nanometer Copper, and carrier is nano-calcium carbonate, and the percentage by weight of each component is nanometer metallic silver 0.5%-12.5%, nano-metallic copper 0-1%, nano-calcium carbonate 86.5%-99.5%, antibiotic functional material is 1ppm-27ppm at the content of water paint layer, described packages printing paper substrate is first to take respectively in proportion nanometer metallic silver, nano-metallic copper and nano-calcium carbonate, in rotating speed is the scope of 50 r/min-200r/min to increase gradually from small to large the form of mixing speed, adopt helical form agitator to stir 12h-20h, make pulverous antiseptic, disperse 30-35min to make antibacterial mother liquor by weight 1 ︰ 50 use ultrasonic wave nano-dispersed instrument Powdered antiseptic and water paint again, dilute stirring 10-20min by antibacterial mother liquor and water paint with the ratio of weight 1:100 and make antibacterial coating fluid, finally antibacterial coating fluid is coated in the upper and lower surface of paper substrate with coating machine, drying, cooling and obtain.
Above-mentioned ultrasonic wave nano-dispersed instrument is that frequency is the ultrasonic wave nano-dispersed instrument of 40-45KHZ.
The preferred nanometer metallic silver 4%-7% of percentage by weight, nano-metallic copper 0.1-0.6% and the nano-calcium carbonate 92%-95.5% of the each component of above-mentioned antiseptic.
The preferred art post paperboard of above-mentioned paper substrate.
In order to make carrier and the better combination of art post paperboard of antibacterial functions composition, the preferred 60nm-100nm of particle diameter of above-mentioned nano-calcium carbonate.
The above-mentioned water paint layer thickness containing antiseptic is 2-4 μ m.
Above-mentioned water paint preferred water based polyurethane.
The packages printing paper substrate with anti-microbial property of the present invention, has advantages of as follows:
1, by the positive and negative coating one deck antibacterial film at paper, improve the wholesomeness of paper, and adopt inorganic nano-particle as antibacterial functions composition, can go deep in the cell of bacterium or fungi, sulfydryl on leukoprotease is combined, thereby make cell loss of activity, cause bacterium to be destroyed, there is broad spectrum antibacterial.
2, adopt the carrier of inorganic porous mineral nano-calcium carbonate as antibacterial functions composition, can utilize the slow-release function of porous mineral, make antibacterial effect more lasting, and because nano-calcium carbonate is as the conventional filler of one of papermaking, the carrier with it as antibacterial functions composition, can not exert an adverse impact to the performance of paper itself, on the contrary, nano-calcium carbonate also has certain strengthening action, and the antibacterial film of formation is conducive to the improvement of paper strength, makes paper substrate have better printability.
3, adopt the carrier of nano-calcium carbonate as antibacterial functions composition, because nano-calcium carbonate proportion is little, be about 2.0 g/ cm
3, can not affect the proportion of paper, and Calcium Carbonate resource distributing extensively, content is large, and raw material supply is abundant, can not face resource exhaustion and the problem that interferes with the development, is conducive to the reduction of cost.
4, antibacterial functions composition and carrier all adopt nano material, and the anti-bacterial powder that is conducive to make and water paint form stable colloid, and are unlikely to the printability that produces precipitation, affects anti-microbial property and paper.
?the present invention has the preparation method of anti-microbial property packages printing paper substrate, adopt after antibiotic functional material and carrier are mixed and in a certain proportion of water paint, disperse to make in advance antibacterial mother liquor, again antibacterial mother liquor is joined in a certain proportion of water paint and diluted, can not only ensure that like this antibiotic functional material obtains fine dispersion, forms stable colloid with water paint, and without adopting powerful ultrasonic wave nano-dispersed instrument to disperse, save the energy.Preparation method of the present invention, carries out top layer coating after directly being mixed with water paint by nano particle, and technique is simple, good anti-bacterial effect.
Brief description of the drawings
Fig. 1 is the structural representation that the present invention has anti-microbial property packages printing paper substrate.
Detailed description of the invention
As shown in Figure 1, of the present invention to have anti-microbial property packages printing paper substrate be 3-tier architecture, and upper and lower layer is the water paint layer 1,3 containing antiseptic, and intermediate layer is art post paperboard 2, and the thickness of water paint layer is 2-4 μ m.Preparation method is:
Taking weight portion and be respectively the calcium carbonate that 4.5% nanometer metallic silver, 0.5% nano-metallic copper and 95% particle diameter are 100nm, is that 50r/min is increased to 200r/min gradually with helical form agitator by rotating speed, stirs 15h, makes anti-bacterial powder; Take aqueous polyurethane by anti-bacterial powder and aqueous polyurethane weight ratio 1 ︰ 50, anti-bacterial powder is poured in aqueous polyurethane, the ultrasonic wave nano-dispersed instrument that is 40KHZ by frequency disperses 30min, makes antibacterial mother liquor; By the weight ratio of antibacterial mother liquor and aqueous polyurethane 1:100, antibacterial mother liquor is joined in aqueous polyurethane and diluted again, after stirring 10min, make antibacterial coating fluid; Antibacterial coating fluid is applied in art post paperboard with coating machine, drying, obtains having high-efficiency antimicrobial performance and the good packages printing paper substrate of printability after cooling.
The structure with anti-microbial property packages printing paper substrate of embodiment 2 is identical with embodiment 1, and preparation method is:
Taking weight portion and be respectively the calcium carbonate that 6.5% nanometer metallic silver, 0.2% nano-metallic copper and 93.3% particle diameter are 80nm, is that 50r/min is increased to 200r/min gradually with helical form agitator by rotating speed, stirs 15h, makes anti-bacterial powder; Take aqueous polyurethane by anti-bacterial powder and aqueous polyurethane weight ratio 1 ︰ 50, anti-bacterial powder is poured in aqueous polyurethane, the ultrasonic wave nano-dispersed instrument that is 45KHZ by frequency disperses 30min, makes antibacterial mother liquor; By the weight ratio of antibacterial mother liquor and aqueous polyurethane 1:100, antibacterial mother liquor is joined in aqueous polyurethane and diluted again, after stirring 10min, make antibacterial coating fluid; Antibacterial coating fluid is applied in art post paperboard with coating machine, drying, obtains having high-efficiency antimicrobial performance and the good packages printing paper substrate of printability after cooling.
Claims (2)
1. there is an anti-microbial property packages printing paper substrate, comprise paper substrate, it is characterized in that: be coated with the water paint layer containing antiseptic, this antiseptic comprises antibiotic functional material and carrier the upper and lower surface uniform of described paper substrate, antibiotic functional material is Nano Silver or Nano Silver and Nanometer Copper, and carrier is nano-calcium carbonate, and the percentage by weight of each component is nanometer metallic silver 0.5%-12.5%, nano-metallic copper 0-1%, nano-calcium carbonate 86.5%-99.5%, antibiotic functional material is 1ppm-27ppm at the content of water paint layer, described packages printing paper substrate is first to take respectively in proportion nanometer metallic silver, nano-metallic copper and nano-calcium carbonate, in rotating speed is the scope of 50 r/min-200r/min to increase gradually from small to large the form of mixing speed, adopt helical form agitator to stir 12h-20h, make pulverous antiseptic, disperse 30-35min to make antibacterial mother liquor by weight 1 ︰ 50 use ultrasonic wave nano-dispersed instrument Powdered antiseptic and water paint again, dilute stirring 10-20min by antibacterial mother liquor and water paint with the ratio of weight 1:100 and make antibacterial coating fluid, finally antibacterial coating fluid is coated in the upper and lower surface of paper substrate with coating machine, drying, cooling and obtain.
2. according to claim 1 have an anti-microbial property packages printing paper substrate, it is characterized in that: described ultrasonic wave nano-dispersed instrument is that frequency is the ultrasonic wave nano-dispersed instrument of 40-45KHZ.
3. according to claim 2 have an anti-microbial property packages printing paper substrate, it is characterized in that: described paper substrate is art post paperboard.
4. according to claim 3 have an anti-microbial property packages printing paper substrate, it is characterized in that: the particle diameter of described nano-calcium carbonate is 60nm-100nm.
5. according to claim 4 have an anti-microbial property packages printing paper substrate, it is characterized in that: the described water paint layer thickness containing antiseptic is 2-4 μ m.
6. the preparation method with anti-microbial property packages printing paper substrate according to claim 5, is characterized in that: described water paint is aqueous polyurethane.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201110428155.1A CN102517993B (en) | 2011-12-20 | 2011-12-20 | Packaging and printing paper substrate with antibacterial property, and preparation method thereof |
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| CN201110428155.1A CN102517993B (en) | 2011-12-20 | 2011-12-20 | Packaging and printing paper substrate with antibacterial property, and preparation method thereof |
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| CN102517993A CN102517993A (en) | 2012-06-27 |
| CN102517993B true CN102517993B (en) | 2014-06-11 |
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Families Citing this family (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103898798B (en) * | 2012-12-25 | 2017-02-08 | 金东纸业（江苏）股份有限公司 | Coated paper |
| CA2915873C (en) | 2013-07-16 | 2018-06-05 | Graphic Packaging International, Inc. | Antimicrobial packaging material |
| CN104389240A (en) * | 2014-10-17 | 2015-03-04 | 广西大学 | Preparation method of nanometer antibacterial agent for paper |
| DE102015111582A1 (en) * | 2015-07-16 | 2017-01-19 | Bsn Medical Gmbh | Packaging for a medical product |
| CN106087586A (en) * | 2016-06-16 | 2016-11-09 | 铜陵锋帆彩色印务有限公司 | Sterilization Honey comb like package carton and preparation method thereof |
| CN109135142A (en) * | 2018-08-30 | 2019-01-04 | 盛世瑶兰（深圳）科技有限公司 | A kind of antibacterial food packaging material and preparation method thereof |
| CN109722086A (en) * | 2018-12-29 | 2019-05-07 | 中国有色桂林矿产地质研究院有限公司 | A kind of silver-based antimicrobial material and preparation method thereof containing porous composite calcium carbonate |
| CN112553958A (en) * | 2019-09-10 | 2021-03-26 | 金红叶纸业集团有限公司 | Antibacterial paper for daily use |
| CN110776818B (en) * | 2019-11-14 | 2021-07-20 | 深圳市冠为科技股份有限公司 | Adsorptive porous nano silver/aluminum oxide/polyester composite water-based coating agent and preparation method thereof |
| CN113373719A (en) * | 2021-07-06 | 2021-09-10 | 东莞市鼎丰印刷有限公司 | Decorative paper with copper ion sterilization function and manufacturing method thereof |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1472388A (en) * | 2003-07-12 | 2004-02-04 | 云南大学 | Antibacterial banknotes and preparing method thereof |
| CN2908593Y (en) * | 2006-04-28 | 2007-06-06 | 中森通浩(北京)集团有限公司 | Antibiosis paper |
| CN102180317A (en) * | 2011-03-21 | 2011-09-14 | 广东壮丽彩印股份有限公司 | Antimicrobial cigarette box and preparation method thereof |
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Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1472388A (en) * | 2003-07-12 | 2004-02-04 | 云南大学 | Antibacterial banknotes and preparing method thereof |
| CN2908593Y (en) * | 2006-04-28 | 2007-06-06 | 中森通浩(北京)集团有限公司 | Antibiosis paper |
| CN102180317A (en) * | 2011-03-21 | 2011-09-14 | 广东壮丽彩印股份有限公司 | Antimicrobial cigarette box and preparation method thereof |
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