EP3992359A1 - Antimicrobial paper coating - Google Patents
Antimicrobial paper coating Download PDFInfo
- Publication number
- EP3992359A1 EP3992359A1 EP21205742.6A EP21205742A EP3992359A1 EP 3992359 A1 EP3992359 A1 EP 3992359A1 EP 21205742 A EP21205742 A EP 21205742A EP 3992359 A1 EP3992359 A1 EP 3992359A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- paper
- starch
- salts
- titanium oxide
- coating
- 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.)
- Granted
Links
- 238000000576 coating method Methods 0.000 title claims abstract description 18
- 239000011248 coating agent Substances 0.000 title claims abstract description 17
- 230000000845 anti-microbial effect Effects 0.000 title 1
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 claims abstract description 13
- 229920002472 Starch Polymers 0.000 claims abstract description 12
- 239000008107 starch Substances 0.000 claims abstract description 12
- 235000019698 starch Nutrition 0.000 claims abstract description 12
- 230000003115 biocidal effect Effects 0.000 claims abstract description 10
- 239000000203 mixture Substances 0.000 claims abstract description 10
- 239000004372 Polyvinyl alcohol Substances 0.000 claims abstract description 9
- 229920002451 polyvinyl alcohol Polymers 0.000 claims abstract description 9
- 229910052751 metal Inorganic materials 0.000 claims abstract description 8
- 239000002184 metal Substances 0.000 claims abstract description 8
- 150000002739 metals Chemical class 0.000 claims abstract description 8
- 150000003839 salts Chemical class 0.000 claims abstract description 8
- OGIDPMRJRNCKJF-UHFFFAOYSA-N titanium oxide Inorganic materials [Ti]=O OGIDPMRJRNCKJF-UHFFFAOYSA-N 0.000 claims abstract description 8
- 229910000503 Na-aluminosilicate Inorganic materials 0.000 claims abstract description 7
- 125000001931 aliphatic group Chemical group 0.000 claims abstract description 7
- 229920000768 polyamine Polymers 0.000 claims abstract description 7
- 238000007639 printing Methods 0.000 claims abstract description 7
- 239000000429 sodium aluminium silicate Substances 0.000 claims abstract description 7
- 235000012217 sodium aluminium silicate Nutrition 0.000 claims abstract description 7
- URGAHOPLAPQHLN-UHFFFAOYSA-N sodium aluminosilicate Chemical compound [Na+].[Al+3].[O-][Si]([O-])=O.[O-][Si]([O-])=O URGAHOPLAPQHLN-UHFFFAOYSA-N 0.000 claims abstract description 7
- 239000002105 nanoparticle Substances 0.000 claims abstract description 6
- 230000004913 activation Effects 0.000 claims abstract description 3
- 239000004615 ingredient Substances 0.000 claims description 8
- 235000019422 polyvinyl alcohol Nutrition 0.000 claims description 7
- BQCADISMDOOEFD-UHFFFAOYSA-N Silver Chemical compound [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 0.000 description 4
- FAPWRFPIFSIZLT-UHFFFAOYSA-M Sodium chloride Chemical compound [Na+].[Cl-] FAPWRFPIFSIZLT-UHFFFAOYSA-M 0.000 description 4
- 244000005700 microbiome Species 0.000 description 4
- 235000010215 titanium dioxide Nutrition 0.000 description 4
- 230000000844 anti-bacterial effect Effects 0.000 description 3
- 230000001580 bacterial effect Effects 0.000 description 3
- NLXLAEXVIDQMFP-UHFFFAOYSA-N Ammonia chloride Chemical compound [NH4+].[Cl-] NLXLAEXVIDQMFP-UHFFFAOYSA-N 0.000 description 2
- 241000894006 Bacteria Species 0.000 description 2
- 241000588724 Escherichia coli Species 0.000 description 2
- 241000282414 Homo sapiens Species 0.000 description 2
- XLOMVQKBTHCTTD-UHFFFAOYSA-N Zinc monoxide Chemical compound [Zn]=O XLOMVQKBTHCTTD-UHFFFAOYSA-N 0.000 description 2
- 238000007641 inkjet printing Methods 0.000 description 2
- 238000007648 laser printing Methods 0.000 description 2
- 229910052709 silver Inorganic materials 0.000 description 2
- 239000004332 silver Substances 0.000 description 2
- 239000011780 sodium chloride Substances 0.000 description 2
- MARUHZGHZWCEQU-UHFFFAOYSA-N 5-phenyl-2h-tetrazole Chemical compound C1=CC=CC=C1C1=NNN=N1 MARUHZGHZWCEQU-UHFFFAOYSA-N 0.000 description 1
- UXVMQQNJUSDDNG-UHFFFAOYSA-L Calcium chloride Chemical compound [Cl-].[Cl-].[Ca+2] UXVMQQNJUSDDNG-UHFFFAOYSA-L 0.000 description 1
- VEXZGXHMUGYJMC-UHFFFAOYSA-M Chloride anion Chemical compound [Cl-] VEXZGXHMUGYJMC-UHFFFAOYSA-M 0.000 description 1
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- QPLDLSVMHZLSFG-UHFFFAOYSA-N Copper oxide Chemical compound [Cu]=O QPLDLSVMHZLSFG-UHFFFAOYSA-N 0.000 description 1
- 239000005751 Copper oxide Substances 0.000 description 1
- 241000700605 Viruses Species 0.000 description 1
- 239000012790 adhesive layer Substances 0.000 description 1
- 235000019270 ammonium chloride Nutrition 0.000 description 1
- 239000003242 anti bacterial agent Substances 0.000 description 1
- 229940088710 antibiotic agent Drugs 0.000 description 1
- FLNKWZNWHZDGRT-UHFFFAOYSA-N azane;dihydrochloride Chemical compound [NH4+].[NH4+].[Cl-].[Cl-] FLNKWZNWHZDGRT-UHFFFAOYSA-N 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- UHYPYGJEEGLRJD-UHFFFAOYSA-N cadmium(2+);selenium(2-) Chemical compound [Se-2].[Cd+2] UHYPYGJEEGLRJD-UHFFFAOYSA-N 0.000 description 1
- 239000001110 calcium chloride Substances 0.000 description 1
- 229910001628 calcium chloride Inorganic materials 0.000 description 1
- 125000002091 cationic group Chemical group 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 238000011109 contamination Methods 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 229910000431 copper oxide Inorganic materials 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- SCFPVYOJLXCMHM-UHFFFAOYSA-L dicalcium;dichloride Chemical compound [Ca+2].Cl[Ca]Cl SCFPVYOJLXCMHM-UHFFFAOYSA-L 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 235000013305 food Nutrition 0.000 description 1
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 description 1
- 229910052737 gold Inorganic materials 0.000 description 1
- 239000010931 gold Substances 0.000 description 1
- 239000001963 growth medium Substances 0.000 description 1
- 208000015181 infectious disease Diseases 0.000 description 1
- 239000000395 magnesium oxide Substances 0.000 description 1
- CPLXHLVBOLITMK-UHFFFAOYSA-N magnesium oxide Inorganic materials [Mg]=O CPLXHLVBOLITMK-UHFFFAOYSA-N 0.000 description 1
- AXZKOIWUVFPNLO-UHFFFAOYSA-N magnesium;oxygen(2-) Chemical compound [O-2].[Mg+2] AXZKOIWUVFPNLO-UHFFFAOYSA-N 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000002609 medium Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000002086 nanomaterial Substances 0.000 description 1
- 238000007645 offset printing Methods 0.000 description 1
- BAQNULZQXCKSQW-UHFFFAOYSA-N oxygen(2-);titanium(4+) Chemical compound [O-2].[O-2].[O-2].[O-2].[Ti+4].[Ti+4] BAQNULZQXCKSQW-UHFFFAOYSA-N 0.000 description 1
- 230000001717 pathogenic effect Effects 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 150000003378 silver Chemical class 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 241001515965 unidentified phage Species 0.000 description 1
- 239000011787 zinc oxide Substances 0.000 description 1
Classifications
-
- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
- D21H21/00—Non-fibrous material added to the pulp, characterised by its function, form or properties; Paper-impregnating or coating material, characterised by its function, form or properties
- D21H21/14—Non-fibrous material added to the pulp, characterised by its function, form or properties; Paper-impregnating or coating material, characterised by its function, form or properties characterised by function or properties in or on the paper
- D21H21/36—Biocidal agents, e.g. fungicidal, bactericidal, insecticidal agents
-
- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
- D21H19/00—Coated paper; Coating material
- D21H19/36—Coatings with pigments
- D21H19/38—Coatings with pigments characterised by the pigments
- D21H19/385—Oxides, hydroxides or carbonates
-
- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
- D21H19/00—Coated paper; Coating material
- D21H19/36—Coatings with pigments
- D21H19/38—Coatings with pigments characterised by the pigments
- D21H19/40—Coatings with pigments characterised by the pigments siliceous, e.g. clays
-
- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
- D21H19/00—Coated paper; Coating material
- D21H19/36—Coatings with pigments
- D21H19/44—Coatings with pigments characterised by the other ingredients, e.g. the binder or dispersing agent
- D21H19/54—Starch
-
- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
- D21H19/00—Coated paper; Coating material
- D21H19/36—Coatings with pigments
- D21H19/44—Coatings with pigments characterised by the other ingredients, e.g. the binder or dispersing agent
- D21H19/56—Macromolecular organic compounds or oligomers thereof obtained by reactions only involving carbon-to-carbon unsaturated bonds
- D21H19/60—Polyalkenylalcohols; Polyalkenylethers; Polyalkenylesters
Definitions
- the present invention relates to a biocidal coating of paper for printing.
- nanomaterials nanoparticles
- oxides of metals zinc oxide, titanium oxide, magnesium oxide, copper, copper oxide, cadmium selenide, cadmium telluride
- metals silver, gold
- Starch content in a paper coating mixture is often avoided or decreased to enhance effectiveness. Maintenance of printability on such paper is crucial.
- the biocidal coating of paper for printing according to this invention containing titanium oxide nanoparticles, salts of mono-, bi- and trivalent metals, polyvinyl alcohol, starch, aliphatic polyamine and sodium aluminosilicate characterises by that their proportions are as follows: Ingredient Percentage by mass of each ingredient [%] Tolerance Titanium oxide 3.92% +-40% Salts of metals (I, II and III- valent) 14.68% +-40% Starch + PVOH 68.86% +-40% Aliphatic polyamine 6.27% +-40% Sodium aluminosilicate 6.27% +-40% and biocidal activity of this mixture does not require activation by UV rays.
- the paper coating containing starch and titanium white nanoparticles with other components added at proper ratio is as good as antibacterial papers using silver salts, maintaining excellent characteristics for offset, laser or inkjet printing.
- composition of coating mixture Ingredient Commercial name Amount of dry substance in g/100g of the mixture Percentage by mass of each ingredient [%] Tolerance Titanium oxide Titanium white 0.53 3.92% +-40% Sodium aluminosilicate Zeolit (Zeocros PF) 0.84 6.27% +-40% Sodium chloride Sól warzona [Evaporated salt] 0.18 1.31% +-40% Ammonium chloride Ammonium chloride 0.18 1.31% +-40% Calcium chloride Calcium chloride 1.58 11.76% +-40% Polyvinyl alcohol PVOH BP-05 1.25 9.31% +-40% Aliphatic polyamine Catiofast 160 0.84 6.27% +-40% Native and cationic starch Merizet 120 8.00 59.55% +-40% Polyaluminum chloride PAX 18 0.04 0.31% +-40% Biocidal activity of the coating according to the invention extend
- the coating according to the invention is applied one- to both sides on a sheet with standard technologies used by paper industry. Paper covered with the coating maintains excellent characteristics for offset laser and inkjet printing. It can be used for printing of books, prospectuses, prescription pads, labels, office printings and everywhere where there is recommended to brake infection transmission chain, that is when many persons contact with the surface of printed paper coated according to the invention. Possibility of application of the coating on surfaces contacting with food is an additional advantage. The ingredients of the coating disintegrate without contamination of environment.
Landscapes
- Chemical & Material Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Pest Control & Pesticides (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Dispersion Chemistry (AREA)
- Paper (AREA)
- Paints Or Removers (AREA)
Abstract
The biocidal coating of paper for printing according to this invention, containing titanium oxide nanoparticles, salts of mono-, bi- and trivalent metals, polyvinyl alcohol, starch, aliphatic polyamine and sodium aluminosilicate characterises by their proportions expressed in percentages by mass: titanium oxide 3.92% (+-40%), Salts of metals (I, II and III- valent) 14.68% (+-40%), starch with polyvinyl alcohol 68.86% (+-40%), aliphatic polyamine 6.27% (+-40%) and sodium aluminosilicate 6.27% (+-40%). The biocidal activity of this mixture does not require activation by UV rays.
Description
- The present invention relates to a biocidal coating of paper for printing.
- The problem of limiting the spread of microorganisms, namely those pathogenic to a human being, has became extremely important at the end of the twentieth century as there is increase of bacteria population resistant to many antibiotics and as a result of faster and more often contacts of the human beings from remote corners of the planet. Control of microorganisms growth on a paper is of high importance as on the one hand a paper is still a base of many documents (including banknotes), and - on the other hand - material of which paper is made is a medium for many microorganisms.
- One of method of microorganisms control is utilization of characteristics of nanomaterials (nanoparticles) of various compounds, most often oxides of metals (zinc oxide, titanium oxide, magnesium oxide, copper, copper oxide, cadmium selenide, cadmium telluride) or metals (silver, gold). In the state of art there are well known many solutions based mainly on nanosilver. Starch content in a paper coating mixture is often avoided or decreased to enhance effectiveness. Maintenance of printability on such paper is crucial.
- In the patent literature there is Japanese description
JP1996337078 US20150086598 reveals a solution utilizing nanoparticles of titanium oxide to achieve anti-microorganisms activity, where the oxide content must be 5 or more percentages by mass of a paper coating mixture. In the description starch is not cited. - The biocidal coating of paper for printing according to this invention, containing titanium oxide nanoparticles, salts of mono-, bi- and trivalent metals, polyvinyl alcohol, starch, aliphatic polyamine and sodium aluminosilicate characterises by that their proportions are as follows:
Ingredient Percentage by mass of each ingredient [%] Tolerance Titanium oxide 3.92% +-40% Salts of metals (I, II and III- valent) 14.68% +-40% Starch + PVOH 68.86% +-40% Aliphatic polyamine 6.27% +-40% Sodium aluminosilicate 6.27% +-40% - Unexpectedly, the paper coating containing starch and titanium white nanoparticles with other components added at proper ratio, is as good as antibacterial papers using silver salts, maintaining excellent characteristics for offset, laser or inkjet printing.
- In studies on biocidal effectiveness of paper coatings basing on challenge with Escherichia coli the following findings of bacterial growth revealed:
- paper coated with standard adhesive layer utilized by Arctic Paper Kostrzyn - 40% (minus indicates that number of bacterial colonies grew, not reduced during the experiment - it means that it was a culture medium for them);
- paper coated with ammonium chloride +8% - reduction of E. coli bacterial vitality by 8%
- paper coated with a mixture NaCl+CaCl2+ 22%
- paper coated with N-vinyle amine (Catiofast) +13%
- paper coated with PAX +19%
- paper coated with PVA + 5%
- paper coated with starch and 1.5-% TiO2 +30%.
- In the undermentioned embodiment of preparation of the biocidal coating of paper for printing shows only one of the possibilities, without limiting protection range: Composition of coating mixture:
Ingredient Commercial name Amount of dry substance in g/100g of the mixture Percentage by mass of each ingredient [%] Tolerance Titanium oxide Titanium white 0.53 3.92% +-40% Sodium aluminosilicate Zeolit (Zeocros PF) 0.84 6.27% +-40% Sodium chloride Sól warzona [Evaporated salt] 0.18 1.31% +-40% Ammonium chloride Ammonium chloride 0.18 1.31% +-40% Calcium chloride Calcium chloride 1.58 11.76% +-40% Polyvinyl alcohol PVOH BP-05 1.25 9.31% +-40% Aliphatic polyamine Catiofast 160 0.84 6.27% +-40% Native and cationic starch Merizet 120 8.00 59.55% +-40% Polyaluminum chloride PAX 18 0.04 0.31% +-40% - The coating according to the invention is applied one- to both sides on a sheet with standard technologies used by paper industry. Paper covered with the coating maintains excellent characteristics for offset laser and inkjet printing. It can be used for printing of books, prospectuses, prescription pads, labels, office printings and everywhere where there is recommended to brake infection transmission chain, that is when many persons contact with the surface of printed paper coated according to the invention. Possibility of application of the coating on surfaces contacting with food is an additional advantage. The ingredients of the coating disintegrate without contamination of environment.
- Not without significance is economic factor - majority of antibacterial papers utilises nanosilver, which is more expensive than titanium white.
Claims (1)
- The biocidal coating of paper for printing according to this invention, containing titanium oxide nanoparticles, salts of mono-, bi- and trivalent metals, polyvinyl alcohol, starch, aliphatic polyamine and sodium aluminosilicate characterised in that their proportions are as follows:
Ingredient Percentage by mass of each ingredient [%] Tolerance Titanium oxide 3.92% +-40% Salts of metals (I, II and III- valent) 14.68% +-40% Starch + PVOH 68.86% +-40% Aliphatic polyamine 6.27% +-40% Sodium aluminosilicate 6.27% +-40%
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| PL435843A PL435843A1 (en) | 2020-11-01 | 2020-11-01 | Biocidal coating of paper |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| EP3992359A1 true EP3992359A1 (en) | 2022-05-04 |
| EP3992359B1 EP3992359B1 (en) | 2023-11-15 |
Family
ID=78770333
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP21205742.6A Active EP3992359B1 (en) | 2020-11-01 | 2021-10-30 | Antimicrobial paper coating |
Country Status (2)
| Country | Link |
|---|---|
| EP (1) | EP3992359B1 (en) |
| PL (2) | PL435843A1 (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| PL442439A1 (en) | 2022-10-04 | 2024-04-08 | Hydrosafeguard Spółka Akcyjna | Biocidal coating composition, substrate with a biocidal coating, method of producing a biocidal coating on the substrate |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH08337078A (en) | 1995-06-13 | 1996-12-24 | Dynic Corp | Antibacterial printing material |
| US20150086598A1 (en) | 2012-03-31 | 2015-03-26 | Ningbo Asia Pulp & Paper Co., Ltd. | Process of making antibacterial coating and antibacterial paper with same, and antibacterial paper |
| EP2871283A1 (en) * | 2013-11-06 | 2015-05-13 | Arctic Paper Kostzyn Spólka Akcyjna | Ink-jet paper coating |
| CN108930197A (en) * | 2018-07-17 | 2018-12-04 | 泾县瑞旺农业科技服务有限公司 | A kind of increasing optimization preparation process of the antibacterial advertisement consumptive material paper of insect prevention |
-
2020
- 2020-11-01 PL PL435843A patent/PL435843A1/en unknown
-
2021
- 2021-10-30 PL PL21205742.6T patent/PL3992359T3/en unknown
- 2021-10-30 EP EP21205742.6A patent/EP3992359B1/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH08337078A (en) | 1995-06-13 | 1996-12-24 | Dynic Corp | Antibacterial printing material |
| US20150086598A1 (en) | 2012-03-31 | 2015-03-26 | Ningbo Asia Pulp & Paper Co., Ltd. | Process of making antibacterial coating and antibacterial paper with same, and antibacterial paper |
| EP2871283A1 (en) * | 2013-11-06 | 2015-05-13 | Arctic Paper Kostzyn Spólka Akcyjna | Ink-jet paper coating |
| CN108930197A (en) * | 2018-07-17 | 2018-12-04 | 泾县瑞旺农业科技服务有限公司 | A kind of increasing optimization preparation process of the antibacterial advertisement consumptive material paper of insect prevention |
Also Published As
| Publication number | Publication date |
|---|---|
| EP3992359B1 (en) | 2023-11-15 |
| PL435843A1 (en) | 2022-05-02 |
| PL3992359T3 (en) | 2024-03-18 |
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