CN102561107B - Antibacterial paper paint and preparation method thereof - Google Patents
Antibacterial paper paint and preparation method thereof Download PDFInfo
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- CN102561107B CN102561107B CN201210064697.XA CN201210064697A CN102561107B CN 102561107 B CN102561107 B CN 102561107B CN 201210064697 A CN201210064697 A CN 201210064697A CN 102561107 B CN102561107 B CN 102561107B
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- 230000000844 anti-bacterial effect Effects 0.000 title claims abstract description 69
- 239000003973 paint Substances 0.000 title claims abstract description 41
- 238000002360 preparation method Methods 0.000 title claims abstract description 20
- DKGAVHZHDRPRBM-UHFFFAOYSA-N Tert-Butanol Chemical compound CC(C)(C)O DKGAVHZHDRPRBM-UHFFFAOYSA-N 0.000 claims abstract description 47
- 229920001661 Chitosan Polymers 0.000 claims abstract description 26
- FKPUYTAEIPNGRM-UHFFFAOYSA-N 1-(diaminomethylidene)guanidine;hydron;chloride Chemical compound [Cl-].N\C([NH3+])=N/C(N)=N FKPUYTAEIPNGRM-UHFFFAOYSA-N 0.000 claims abstract description 25
- 239000004816 latex Substances 0.000 claims abstract description 17
- 229920000126 latex Polymers 0.000 claims abstract description 17
- GCLGEJMYGQKIIW-UHFFFAOYSA-H sodium hexametaphosphate Chemical compound [Na]OP1(=O)OP(=O)(O[Na])OP(=O)(O[Na])OP(=O)(O[Na])OP(=O)(O[Na])OP(=O)(O[Na])O1 GCLGEJMYGQKIIW-UHFFFAOYSA-H 0.000 claims abstract description 15
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 11
- 239000007787 solid Substances 0.000 claims abstract description 9
- SOQBVABWOPYFQZ-UHFFFAOYSA-N oxygen(2-);titanium(4+) Chemical compound [O-2].[O-2].[Ti+4] SOQBVABWOPYFQZ-UHFFFAOYSA-N 0.000 claims abstract description 4
- 238000001914 filtration Methods 0.000 claims abstract description 3
- 238000000576 coating method Methods 0.000 claims description 37
- 239000011248 coating agent Substances 0.000 claims description 32
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 claims description 27
- OGIDPMRJRNCKJF-UHFFFAOYSA-N titanium oxide Inorganic materials [Ti]=O OGIDPMRJRNCKJF-UHFFFAOYSA-N 0.000 claims description 23
- 239000002174 Styrene-butadiene Substances 0.000 claims description 15
- MTAZNLWOLGHBHU-UHFFFAOYSA-N butadiene-styrene rubber Chemical compound C=CC=C.C=CC1=CC=CC=C1 MTAZNLWOLGHBHU-UHFFFAOYSA-N 0.000 claims description 15
- 239000011115 styrene butadiene Substances 0.000 claims description 15
- 229920003048 styrene butadiene rubber Polymers 0.000 claims description 15
- 239000006185 dispersion Substances 0.000 claims description 14
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 claims description 4
- 230000033228 biological regulation Effects 0.000 claims description 4
- 238000006243 chemical reaction Methods 0.000 claims description 2
- 239000013078 crystal Substances 0.000 claims description 2
- QGBSISYHAICWAH-UHFFFAOYSA-N dicyandiamide Chemical compound NC(N)=NC#N QGBSISYHAICWAH-UHFFFAOYSA-N 0.000 claims description 2
- 239000000178 monomer Substances 0.000 claims description 2
- 238000004519 manufacturing process Methods 0.000 abstract description 6
- 238000005516 engineering process Methods 0.000 abstract description 4
- FDYSSWYQRTVFIS-UHFFFAOYSA-N buta-1,3-diene 3-phenylprop-2-enoic acid Chemical compound C=CC=C.C(=O)(O)C=CC1=CC=CC=C1 FDYSSWYQRTVFIS-UHFFFAOYSA-N 0.000 abstract 2
- 235000019982 sodium hexametaphosphate Nutrition 0.000 abstract 2
- 239000001577 tetrasodium phosphonato phosphate Substances 0.000 abstract 2
- AKGZDINYLOSBTE-UHFFFAOYSA-N [(e)-n'-(diaminomethylideneamino)carbamimidoyl]azanium;chloride Chemical compound Cl.NC(=N)NN=C(N)N AKGZDINYLOSBTE-UHFFFAOYSA-N 0.000 abstract 1
- 239000000463 material Substances 0.000 description 13
- 230000002421 anti-septic effect Effects 0.000 description 10
- 230000000845 anti-microbial effect Effects 0.000 description 9
- 238000000034 method Methods 0.000 description 9
- 238000011160 research Methods 0.000 description 9
- 239000003242 anti bacterial agent Substances 0.000 description 5
- 238000009472 formulation Methods 0.000 description 5
- 230000006870 function Effects 0.000 description 5
- 239000000203 mixture Substances 0.000 description 5
- 241000191967 Staphylococcus aureus Species 0.000 description 4
- 229940088710 antibiotic agent Drugs 0.000 description 4
- 230000008901 benefit Effects 0.000 description 4
- 230000003115 biocidal effect Effects 0.000 description 4
- 238000001035 drying Methods 0.000 description 4
- 230000036541 health Effects 0.000 description 4
- 230000006872 improvement Effects 0.000 description 4
- PPBRXRYQALVLMV-UHFFFAOYSA-N Styrene Chemical compound C=CC1=CC=CC=C1 PPBRXRYQALVLMV-UHFFFAOYSA-N 0.000 description 2
- 238000007598 dipping method Methods 0.000 description 2
- 201000010099 disease Diseases 0.000 description 2
- 208000037265 diseases, disorders, signs and symptoms Diseases 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000000835 fiber Substances 0.000 description 2
- 239000002002 slurry Substances 0.000 description 2
- 208000035473 Communicable disease Diseases 0.000 description 1
- 230000000843 anti-fungal effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 230000009514 concussion Effects 0.000 description 1
- 230000006378 damage Effects 0.000 description 1
- 238000005034 decoration Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000004090 dissolution Methods 0.000 description 1
- 239000003814 drug Substances 0.000 description 1
- 239000003292 glue Substances 0.000 description 1
- 230000014759 maintenance of location Effects 0.000 description 1
- 239000002114 nanocomposite Substances 0.000 description 1
- 231100000252 nontoxic Toxicity 0.000 description 1
- 230000003000 nontoxic effect Effects 0.000 description 1
- 230000008447 perception Effects 0.000 description 1
- 230000001699 photocatalysis Effects 0.000 description 1
- 238000007146 photocatalysis Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 230000002787 reinforcement Effects 0.000 description 1
- 238000012827 research and development Methods 0.000 description 1
- 239000007921 spray Substances 0.000 description 1
- 238000005507 spraying Methods 0.000 description 1
- 230000001954 sterilising effect Effects 0.000 description 1
- 230000009967 tasteless effect Effects 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Abstract
The invention discloses an antibacterial paper paint and a preparation method of the antibacterial paper paint. The paint comprises nano titanium dioxide, chitosan biguanidine hydrochloride, carboxy styrene-butadiene latex, tertiary butanol and sodium hexametaphosphate. The preparation method concretely comprises the steps of: 1, adding the chitosan biguanide hydrochloride into water, then adding the sodium hexametaphosphate and the tertiary butanol into the water solution of the chitosan biguanide hydrochloride, and dispersing at high speed; 2, adding the nano titanium dioxide into the water solution obtained in the step 1, and dispersing at high speed; and 3, adding the carboxy styrene-butadiene latex into the water solution obtained in the step 2, evenly mixing at high speed, filtering, adjusting the pH value of a system, and preparing the antibacterial paper paint with the solid content of 30%. The preparation process of the antibacterial paper paint can be carried out at normal pressure and temperature, and a new device is not needed to be added into the preparation process, so that the technology is simple, and the production cost is low.
Description
Technical field
The invention belongs to functional material and pulp technology for making paper, be specifically related to a kind of antibacterial paper paint and preparation method thereof.
Background technology
Along with economic fast development, people's living standard improves greatly, health perception constantly strengthens, and the outburst of various diseases and popular especially in recent years makes people more and more pay attention to serious harm human health being caused by harmful germ various infectious diseases, disease.Paper products be people produce and live in indispensable product, be widely used in daily life, paper for daily use, paper for kitchen, food package coated paper, decoration paper, health and medicinal paper, bank-note paper etc. occupy an important position in people's production, life, and industrialized this series products does not have antibacterial functions at present.Along with the raising of people's living standard and the reinforcement of health consciousness, will inevitably higher requirement be proposed to the quality of anti-bacteria paper and quantity.The exploitation of the research of relevant special-purpose anti-biotic material and antibacterial functions paper has important theory significance and practice significance.
At present, as the antibacterial functions product of the necessity in people's daily life, paper products that consumption is huge still in research initial stage, the countries such as Canada, the U.S., Northern Europe have realized that the importance of anti-biotic material and anti-bacteria paper research, a large amount of research efforts and financial support have been dropped into, main research is exclusively used in the exploitation of anti-biotic material and the anti-bacteria paper of plant fibre base material, and the units such as Pulp and Paper Engineering National Key Laboratory of China South China Science & Engineering University, University Of Science and Technology Of Tianjin, Shaanxi Tech Univ have also carried out the research of this respect.All in all, the research of existing anti-bacteria paper, all adopts to adding single inorganic antibacterial material or natural antibacterial material in paper products and makes paper product have antibacterial functions.Research shows, any anti-biotic material no matter, Shortcomings part all when it uses separately.The a large amount of shitosans that exist of nature are a kind of natural antibacterial materials, and its antibacterium and antifungal activity are widely studied.The restriction of the aspects such as shitosan has advantages of that sterilizing rate is high, security good, is still also subject to heat resistance poor, and effective time is not long, and range of application is narrower.And nano titanium oxide is the good inorganic antibacterial material with photocatalysis, belong to non-dissolution type, nontoxic, tasteless, non-stimulated, heat endurance and good heat resistance.But it must have ultraviolet ray to irradiate just can play bactericidal action, affected by environment larger.In view of shitosan and nano titanium oxide all have anti-microbial property, if the two is carried out compound, will improve the anti-microbial property of material.Yet, in sheet processing field, for the research that is applicable to the organic/inorganic nano composite antibacterial material of plant fibre base material, there is not yet report, preparation and the application study in coated antibacterial paper thereof of shitosan/nano titania composite antibacterial paper coating are also remained to brand-new research and development problem.
Common anti-bacteria paper is mainly processed by two kinds of methods at present: a kind of is in slurry, directly to add antiseptic, yet, because antiseptic runs off with plain boiled water in online paper-making process, can cause in production process, antiseptic consumption is large, and reservation amount on paper is few, has both increased cost, does not reach again good effect.Another kind is by surface-coated or spraying medicine layer, or prepare by the method for dipping, anti-bacteria paper prepared by spray method has advantages of that antiseptic consumption is few and good, the relative production cost of anti-microbial property is lower, but also has antiseptic shortcoming pockety.Though anti-bacteria paper prepared by dipping method has the advantages such as the good and antiseptic of anti-microbial property is evenly distributed, consuming time longer, be not suitable for large high-speed paper machine and produce.While utilizing applying glue and coating process to produce anti-bacteria paper, antiseptic consumption is less, and good uniformity, so it is desirable anti-bacteria paper preparation method.
Summary of the invention
The object of this invention is to provide a kind of antibacterial paper paint and preparation method thereof.By the proportioning of regulation and control organic antibacterial agent and inorganic nano antiseptic, optimize Compatibility of Coating Color, strengthen the antibacterial functions of paper; Improve the printability of coated paper simultaneously.
The object of the invention is to be achieved through the following technical solutions:
Antibacterial paper paint formula:
Nano titanium oxide;
Chitosan biguanide hydrochloride;
Part by weight between the two is 1:1～7:1.
What take nano titanium oxide and chitosan biguanide hydrochloride adds total amount as benchmark,
Carboxylic styrene butadiene latex 10%
The tert-butyl alcohol 1%
Calgon 0.5%
Described nano titanium dioxide crystal form is anatase titanium dioxide, and average grain diameter is 20nm, specific area 80～220 m
2/ g.
Described chitosan biguanide hydrochloride is the hydrochloric acid that the shitosan of 1 part is dissolved in 0.4mol/L, then adds the dicyandiamide of 3 parts, reacts the product that 2h obtains under the reaction temperature of 90 ℃.
The divinylic monomer of described carboxylic styrene butadiene latex (proportioning 40%), styrene (proportioning 60%), solid content is 53.32%.
Described tert-butyl alcohol relative density 0.78, refractive index 1.39.
The preparation method of antibacterial paper paint comprises the steps:
The first step, is added to the water chitosan biguanide hydrochloride, then adds calgon and the tert-butyl alcohol, high speed dispersion;
Second step, adds nano titanium oxide, high speed dispersion;
The 3rd step, adds carboxylic styrene butadiene latex, and mixed at high speed is even, filtration, regulation system pH value, and making solid content is 30% antibacterial paper paint.
The preparation method of described antibacterial paper paint, is characterized in that first step rate of dispersion 4000r/min, jitter time 25min.
The preparation method of described antibacterial paper paint, is characterized in that second step rate of dispersion 4000r/min, jitter time 35min.
The preparation method of described antibacterial paper paint, is characterized in that the 3rd step rate of dispersion 1500r/min, jitter time 15min.
Beneficial effect of the present invention: 1. antibacterial paper paint preparation process of the present invention is carried out at normal temperatures and pressures, does not need to add new equipment, and technique is simple, and production cost is low.2., after antibacterial paper paint of the present invention is coated with on paper, can not only effectively improves the anti-microbial property of paper, and can give the printability that paper is good.3. than adding antiseptic mode advantage in slurry, be: retention rate is better, can not cause the waste of the antiseptic in production process, can conservation; The consumption of its interpolation can change according to the requirement of produced paper in a big way.
Accompanying drawing explanation
Fig. 1 (a) is uncoated body paper antibacterial effect figure;
Fig. 1 (b) is the antibacterial effect figure of the anti-bacteria paper after the coating of nano titanium oxide/chitosan biguanide hydrochloride 1:1 is coated with;
Fig. 2 is the stereoscan photograph of the coating of nano titanium oxide/chitosan biguanide hydrochloride 5:1.
The specific embodiment
Embodiment 1:
Nano titanium oxide/chitosan biguanide hydrochloride 1:1;
What take nano titanium oxide and chitosan biguanide hydrochloride adds total amount as benchmark,
Carboxylic styrene butadiene latex, 10%;
Calgon, 0.5%;
The tert-butyl alcohol 1%.
According to above formula, get chitosan biguanide hydrochloride and add coating to disperse, in the water of bucket, to add calgon and the tert-butyl alcohol, rate of dispersion remains on 4000r/min, and jitter time is 25min.Reduce rotating speed to 1000r/min, then add nano titanium oxide, improve gradually rotating speed to 4000r/min, continue to disperse 35min.Thereafter, then reduce rotating speed to 1500r/min, add styrene-butadiene latex, jitter time is 15min, adjusting coating system pH to 8.0, and making solid content is 30% antibacterial paper paint.
By body paper smooth being placed on coating machine on request, depress idler roller, then applicator roll is pressed in to top of form, put down fixed-wing, get a certain amount of antibacterial paper paint, be evenly distributed on top of form, start button, Paper Coating completes, coating speed 50m/min.Paper after coating is put into pattern flash dryer, 105 ℃ of baking temperatures, and be 1min drying time.The anti-bacteria paper making according to above paint formulation and coating process, through concussion flask method, quantitatively detect, result shows, coated antibacterial paper has reached 92.19% to staphylococcus aureus antimicrobial efficiency, paper antibacterial tests effect before and after coating, is shown in Fig. 1 (a) and Fig. 1 (b).Meanwhile, after above paint formulation coating, the printability of paper is able to obvious improvement.
Embodiment 2:
Nano titanium oxide/chitosan biguanide hydrochloride 2:1;
What take nano titanium oxide and chitosan biguanide hydrochloride adds total amount as benchmark,
Carboxylic styrene butadiene latex, 10%;
Calgon, 0.5%;
The tert-butyl alcohol 1%.
According to above formula, get chitosan biguanide hydrochloride and add coating to disperse, in the water of bucket, to add calgon and the tert-butyl alcohol, rate of dispersion remains on 4000r/min, and jitter time is 25min.Reduce rotating speed to 1000r/min, then add nano titanium oxide, improve gradually rotating speed to 4000r/min, continue to disperse 35min.Thereafter, then reduce rotating speed to 1500r/min, add styrene-butadiene latex, jitter time is 15min, adjusting coating system pH to 8.0, and making solid content is 30% antibacterial paper paint.
By body paper smooth being placed on coating machine on request, depress idler roller, then applicator roll is pressed in to top of form, put down fixed-wing, get a certain amount of antibacterial paper paint, be evenly distributed on top of form, start button, Paper Coating completes, coating speed 50m/min.Paper after coating is put into pattern flash dryer, 105 ℃ of baking temperatures, and be 1min drying time.The anti-bacteria paper making according to above paint formulation and coating process, quantitatively detects through shaking flask method, and result shows, coated antibacterial paper has reached 82.53% to staphylococcus aureus antimicrobial efficiency.Meanwhile, the printability of coated paper is able to obvious improvement.
Embodiment 3:
Nano titanium oxide/chitosan biguanide hydrochloride 5:1;
What take nano titanium oxide and chitosan biguanide hydrochloride adds total amount as benchmark,
Carboxylic styrene butadiene latex, 10%;
Calgon, 0.5%;
The tert-butyl alcohol 1%.
According to above formula, get chitosan biguanide hydrochloride and add coating to disperse, in the water of bucket, to add calgon and the tert-butyl alcohol, rate of dispersion remains on 4000r/min, and jitter time is 25min.Reduce rotating speed to 1000r/min, then add nano titanium oxide, improve gradually rotating speed to 4000r/min, continue to disperse 35min.Thereafter, then reduce rotating speed to 1500r/min, add styrene-butadiene latex, jitter time is 15min, adjusting coating system pH to 8.0, and making solid content is 30% antibacterial paper paint, the stereoscan photograph of coating is shown in Fig. 2.
By body paper smooth being placed on coating machine on request, depress idler roller, then applicator roll is pressed in to top of form, put down fixed-wing, get a certain amount of antibacterial paper paint, be evenly distributed on top of form, start button, Paper Coating completes, coating speed 50m/min.Paper after coating is put into pattern flash dryer, 105 ℃ of baking temperatures, and be 1min drying time.The anti-bacteria paper making according to above paint formulation and coating process, quantitatively detects through shaking flask method, and result shows, coated antibacterial paper has reached 50.56% to staphylococcus aureus antimicrobial efficiency.Meanwhile, the printability of coated paper is able to obvious improvement.
Embodiment 4:
Nano titanium oxide/chitosan biguanide hydrochloride 7:1;
What take nano titanium oxide and chitosan biguanide hydrochloride adds total amount as benchmark,
Carboxylic styrene butadiene latex, 10%;
Calgon, 0.5%;
The tert-butyl alcohol 1%.
According to above formula, get chitosan biguanide hydrochloride and add coating to disperse, in the water of bucket, to add calgon and the tert-butyl alcohol, rate of dispersion remains on 4000r/min, and jitter time is 25min.Reduce rotating speed to 1000r/min, then add nano titanium oxide, improve gradually rotating speed to 4000r/min, continue to disperse 35min.Thereafter, then reduce rotating speed to 1500r/min, add styrene-butadiene latex, jitter time is 15min, adjusting coating system pH to 8.0, and making solid content is 30% antibacterial paper paint.
By body paper smooth being placed on coating machine on request, depress idler roller, then applicator roll is pressed in to top of form, put down fixed-wing, get a certain amount of antibacterial paper paint, be evenly distributed on top of form, start button, Paper Coating completes, coating speed 50m/min.Paper after coating is put into pattern flash dryer, 105 ℃ of baking temperatures, and be 1min drying time.The anti-bacteria paper making according to above paint formulation and coating process, quantitatively detects through shaking flask method, and result shows, coated antibacterial paper has reached 45.72% to staphylococcus aureus antimicrobial efficiency.Meanwhile, the printability of coated paper is able to obvious improvement.
Claims (10)
1. an antibacterial paper paint, is characterized in that: this coating is comprised of nano titanium oxide, chitosan biguanide hydrochloride, carboxylic styrene butadiene latex, the tert-butyl alcohol and calgon; Wherein the weight ratio of nano titanium oxide and chitosan biguanide hydrochloride is: 1:1～7:1; If the gross weight of nano titanium oxide and chitosan biguanide hydrochloride is A, the weight of carboxylic styrene butadiene latex is 10%A, and the weight of the tert-butyl alcohol is 1%A, and the weight of calgon is 0.5%A.
2. antibacterial paper paint according to claim 1, is characterized in that: described nano titanium dioxide crystal form is anatase titanium dioxide, and average grain diameter is 20nm, specific area 80～220 m
2/ g.
3. antibacterial paper paint according to claim 1, is characterized in that: described chitosan biguanide hydrochloride is the hydrochloric acid that the shitosan of 1 part is dissolved in 0.4mol/L, then adds the dicyandiamide of 3 parts, reacts the product that 2h obtains under the reaction temperature of 90 ℃.
4. antibacterial paper paint according to claim 1, is characterized in that: described carboxylic styrene butadiene latex solid content is 53.32%, and its divinylic monomer and cinnamic proportioning are 4:6.
5. antibacterial paper paint according to claim 1, is characterized in that: described tert-butyl alcohol relative density 0.78, refractive index 1.39.
6. a preparation method for antibacterial paper paint as claimed in claim 1, is characterized in that comprising the steps:
The first step, is added to the water chitosan biguanide hydrochloride, then adds calgon and the tert-butyl alcohol, high speed dispersion;
Second step, adds nano titanium oxide, high speed dispersion;
The 3rd step, adds carboxylic styrene butadiene latex, and mixed at high speed is even, filtration, regulation system pH value, and making solid content is 30% antibacterial paper paint.
7. the preparation method of antibacterial paper paint according to claim 6, is characterized in that: first step rate of dispersion 4000r/min, jitter time 25min.
8. the preparation method of antibacterial paper paint according to claim 6, is characterized in that: second step rate of dispersion 4000r/min, jitter time 35min.
9. the preparation method of antibacterial paper paint according to claim 6, is characterized in that: the 3rd step rate of dispersion 1500r/min, jitter time 15min.
10. the preparation method of antibacterial paper paint according to claim 6, is characterized in that: regulation system pH value is 8.0.
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|---|---|---|---|
| CN201210064697.XA CN102561107B (en) | 2012-03-13 | 2012-03-13 | Antibacterial paper paint and preparation method thereof |
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| CN201210064697.XA CN102561107B (en) | 2012-03-13 | 2012-03-13 | Antibacterial paper paint and preparation method thereof |
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| CN105088864A (en) * | 2014-05-07 | 2015-11-25 | 宁波中华纸业有限公司 | Antibacterial paint, antibacterial paper, preparation method of antibacterial paint, and preparation method of antibacterial paper |
| CN105200856A (en) * | 2015-08-09 | 2015-12-30 | 浙江理工大学 | Chitosan/titanium dioxide nano-composite antibacterial coating preparation method |
| CN106757468B (en) * | 2016-11-28 | 2019-01-15 | 江苏共创人造草坪股份有限公司 | A kind of chinampa and preparation method thereof with antibiotic property |
| CN108219212A (en) * | 2017-12-30 | 2018-06-29 | 常州万博金属构件厂 | A kind of preparation method of modified chitosan anti-bacteria compounded latex |
| CN108708214A (en) * | 2018-04-23 | 2018-10-26 | 句容市兴武包装有限公司 | A kind of Bactericidal paper and preparation method thereof |
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| CN101033264B (en) * | 2007-04-24 | 2010-05-19 | 武汉大学 | Chitosan biguanide hydrochloride, preparation method and use thereof |
| JP4958301B2 (en) * | 2007-12-10 | 2012-06-20 | 独立行政法人産業技術総合研究所 | Natural mineral film |
| CN101486861B (en) * | 2008-01-18 | 2012-10-03 | 深圳市海川实业股份有限公司 | Environment friendly antibacterial waterborne paint and preparation thereof |
| CN101265677A (en) * | 2008-04-08 | 2008-09-17 | 陕西科技大学 | Antibiotic paper and its preparing process |
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Inventor after: Tang Yanjun Inventor after: Liu Xiaofeng Inventor after: Xia Jun Inventor after: Xue Guoxin Inventor before: Tang Yanjun Inventor before: Liu Xiaofeng |
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Free format text: CORRECT: INVENTOR; FROM: TANG YANJUN LIU XIAOFENG TO: TANG YANJUN LIU XIAOFENG XIA JUN XUE GUOXIN |
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Effective date of registration: 20180919 Address after: 311121 Zhejiang Hangzhou Yuhang District Yuhang Street fairy village Patentee after: HANGZHOU ESLITE INDUSTRIAL CO.,LTD. Address before: 310018 No. 2 street, Xiasha Higher Education Park, Hangzhou, Zhejiang, 5 Patentee before: Zhejiang Sci-Tech University |
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Application publication date: 20120711 Assignee: Hangzhou Jintou Finance Leasing Co.,Ltd. Assignor: HANGZHOU ESLITE INDUSTRIAL CO.,LTD. Contract record no.: X2022980028268 Denomination of invention: An antibacterial paper coating and its preparation method Granted publication date: 20141112 License type: Exclusive License Record date: 20230112 |
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Denomination of invention: An antibacterial paper coating and its preparation method Effective date of registration: 20230115 Granted publication date: 20141112 Pledgee: Hangzhou Jintou Finance Leasing Co.,Ltd. Pledgor: HANGZHOU ESLITE INDUSTRIAL CO.,LTD. Registration number: Y2023980031382 |
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Assignee: Hangzhou Jintou Finance Leasing Co.,Ltd. Assignor: HANGZHOU ESLITE INDUSTRIAL CO.,LTD. Contract record no.: X2022980028268 Date of cancellation: 20240327 |
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Granted publication date: 20141112 Pledgee: Hangzhou Jintou Finance Leasing Co.,Ltd. Pledgor: HANGZHOU ESLITE INDUSTRIAL CO.,LTD. Registration number: Y2023980031382 |