EP3688223A1 - Support papier, document de securite qui le comprend et procede de fabrication - Google Patents
Support papier, document de securite qui le comprend et procede de fabricationInfo
- Publication number
- EP3688223A1 EP3688223A1 EP18782358.8A EP18782358A EP3688223A1 EP 3688223 A1 EP3688223 A1 EP 3688223A1 EP 18782358 A EP18782358 A EP 18782358A EP 3688223 A1 EP3688223 A1 EP 3688223A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- paper
- paper support
- dry state
- structural reinforcing
- reinforcing agent
- 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
- 238000004519 manufacturing process Methods 0.000 title claims description 13
- 239000012744 reinforcing agent Substances 0.000 claims abstract description 31
- 239000003795 chemical substances by application Substances 0.000 claims abstract description 29
- 230000002209 hydrophobic effect Effects 0.000 claims abstract description 21
- 229920003043 Cellulose fiber Polymers 0.000 claims abstract description 19
- 238000007639 printing Methods 0.000 claims abstract description 17
- 239000011230 binding agent Substances 0.000 claims abstract description 14
- 239000000654 additive Substances 0.000 claims abstract description 13
- 239000002671 adjuvant Substances 0.000 claims abstract description 13
- 239000010702 perfluoropolyether Substances 0.000 claims abstract description 11
- 239000004902 Softening Agent Substances 0.000 claims abstract description 6
- 150000002894 organic compounds Chemical class 0.000 claims abstract description 3
- 239000000203 mixture Substances 0.000 claims description 23
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 20
- 239000011248 coating agent Substances 0.000 claims description 18
- 238000000576 coating method Methods 0.000 claims description 18
- 238000001035 drying Methods 0.000 claims description 7
- -1 polybutylene Polymers 0.000 claims description 7
- 239000000126 substance Substances 0.000 claims description 6
- 239000000725 suspension Substances 0.000 claims description 6
- 238000005470 impregnation Methods 0.000 claims description 5
- 230000005855 radiation Effects 0.000 claims description 5
- 239000003093 cationic surfactant Substances 0.000 claims description 4
- 239000004094 surface-active agent Substances 0.000 claims description 4
- 239000003945 anionic surfactant Substances 0.000 claims description 3
- 125000004432 carbon atom Chemical group C* 0.000 claims description 3
- 229920006317 cationic polymer Polymers 0.000 claims description 3
- 238000007766 curtain coating Methods 0.000 claims description 3
- 238000007598 dipping method Methods 0.000 claims description 3
- 238000001914 filtration Methods 0.000 claims description 3
- 150000004668 long chain fatty acids Chemical class 0.000 claims description 3
- 239000002736 nonionic surfactant Substances 0.000 claims description 3
- 229920001748 polybutylene Polymers 0.000 claims description 3
- 150000003856 quaternary ammonium compounds Chemical class 0.000 claims description 3
- 238000005507 spraying Methods 0.000 claims description 3
- 238000012546 transfer Methods 0.000 claims description 3
- 235000014113 dietary fatty acids Nutrition 0.000 claims description 2
- 239000000194 fatty acid Substances 0.000 claims description 2
- 229930195729 fatty acid Natural products 0.000 claims description 2
- 150000004665 fatty acids Chemical class 0.000 claims description 2
- 239000012634 fragment Substances 0.000 claims description 2
- 238000003825 pressing Methods 0.000 claims description 2
- 238000000746 purification Methods 0.000 claims description 2
- 238000007670 refining Methods 0.000 claims description 2
- 239000000835 fiber Substances 0.000 description 27
- 239000000047 product Substances 0.000 description 21
- 238000012360 testing method Methods 0.000 description 20
- 239000000243 solution Substances 0.000 description 11
- 239000000976 ink Substances 0.000 description 10
- 238000000034 method Methods 0.000 description 10
- 230000035699 permeability Effects 0.000 description 9
- 230000004888 barrier function Effects 0.000 description 8
- 229920000742 Cotton Polymers 0.000 description 6
- 239000007767 bonding agent Substances 0.000 description 6
- 239000003925 fat Substances 0.000 description 6
- 229920005989 resin Polymers 0.000 description 6
- 239000011347 resin Substances 0.000 description 6
- 239000011436 cob Substances 0.000 description 5
- 239000003921 oil Substances 0.000 description 5
- 239000000758 substrate Substances 0.000 description 5
- 241000219146 Gossypium Species 0.000 description 4
- 230000015572 biosynthetic process Effects 0.000 description 4
- 230000008859 change Effects 0.000 description 4
- 230000000694 effects Effects 0.000 description 4
- 230000008569 process Effects 0.000 description 4
- 239000002904 solvent Substances 0.000 description 4
- ZWEHNKRNPOVVGH-UHFFFAOYSA-N 2-Butanone Chemical compound CCC(C)=O ZWEHNKRNPOVVGH-UHFFFAOYSA-N 0.000 description 3
- CSCPPACGZOOCGX-UHFFFAOYSA-N Acetone Chemical compound CC(C)=O CSCPPACGZOOCGX-UHFFFAOYSA-N 0.000 description 3
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 3
- LYCAIKOWRPUZTN-UHFFFAOYSA-N Ethylene glycol Chemical compound OCCO LYCAIKOWRPUZTN-UHFFFAOYSA-N 0.000 description 3
- IMNFDUFMRHMDMM-UHFFFAOYSA-N N-Heptane Chemical compound CCCCCCC IMNFDUFMRHMDMM-UHFFFAOYSA-N 0.000 description 3
- DNIAPMSPPWPWGF-UHFFFAOYSA-N Propylene glycol Chemical compound CC(O)CO DNIAPMSPPWPWGF-UHFFFAOYSA-N 0.000 description 3
- 229920002472 Starch Polymers 0.000 description 3
- YXFVVABEGXRONW-UHFFFAOYSA-N Toluene Chemical compound CC1=CC=CC=C1 YXFVVABEGXRONW-UHFFFAOYSA-N 0.000 description 3
- 238000010521 absorption reaction Methods 0.000 description 3
- 150000001875 compounds Chemical class 0.000 description 3
- 230000008034 disappearance Effects 0.000 description 3
- 239000012764 mineral filler Substances 0.000 description 3
- 230000035515 penetration Effects 0.000 description 3
- 229920000728 polyester Polymers 0.000 description 3
- 229920001223 polyethylene glycol Polymers 0.000 description 3
- 235000019698 starch Nutrition 0.000 description 3
- 239000001993 wax Substances 0.000 description 3
- 229920002134 Carboxymethyl cellulose Polymers 0.000 description 2
- PEDCQBHIVMGVHV-UHFFFAOYSA-N Glycerine Chemical compound OCC(O)CO PEDCQBHIVMGVHV-UHFFFAOYSA-N 0.000 description 2
- KFZMGEQAYNKOFK-UHFFFAOYSA-N Isopropanol Chemical compound CC(C)O KFZMGEQAYNKOFK-UHFFFAOYSA-N 0.000 description 2
- 229920000877 Melamine resin Polymers 0.000 description 2
- 239000004952 Polyamide Substances 0.000 description 2
- 239000004698 Polyethylene Substances 0.000 description 2
- 239000002202 Polyethylene glycol Substances 0.000 description 2
- PPBRXRYQALVLMV-UHFFFAOYSA-N Styrene Chemical compound C=CC1=CC=CC=C1 PPBRXRYQALVLMV-UHFFFAOYSA-N 0.000 description 2
- 229920001807 Urea-formaldehyde Polymers 0.000 description 2
- 238000009825 accumulation Methods 0.000 description 2
- 150000001413 amino acids Chemical class 0.000 description 2
- 239000002518 antifoaming agent Substances 0.000 description 2
- TZCXTZWJZNENPQ-UHFFFAOYSA-L barium sulfate Chemical compound [Ba+2].[O-]S([O-])(=O)=O TZCXTZWJZNENPQ-UHFFFAOYSA-L 0.000 description 2
- 238000005452 bending Methods 0.000 description 2
- VTYYLEPIZMXCLO-UHFFFAOYSA-L calcium carbonate Substances [Ca+2].[O-]C([O-])=O VTYYLEPIZMXCLO-UHFFFAOYSA-L 0.000 description 2
- 238000003490 calendering Methods 0.000 description 2
- 235000010948 carboxy methyl cellulose Nutrition 0.000 description 2
- 239000004359 castor oil Substances 0.000 description 2
- 235000019438 castor oil Nutrition 0.000 description 2
- 239000013065 commercial product Substances 0.000 description 2
- 230000003247 decreasing effect Effects 0.000 description 2
- 230000006866 deterioration Effects 0.000 description 2
- 150000002148 esters Chemical class 0.000 description 2
- IVJISJACKSSFGE-UHFFFAOYSA-N formaldehyde;1,3,5-triazine-2,4,6-triamine Chemical compound O=C.NC1=NC(N)=NC(N)=N1 IVJISJACKSSFGE-UHFFFAOYSA-N 0.000 description 2
- ZEMPKEQAKRGZGQ-XOQCFJPHSA-N glycerol triricinoleate Natural products CCCCCC[C@@H](O)CC=CCCCCCCCC(=O)OC[C@@H](COC(=O)CCCCCCCC=CC[C@@H](O)CCCCCC)OC(=O)CCCCCCCC=CC[C@H](O)CCCCCC ZEMPKEQAKRGZGQ-XOQCFJPHSA-N 0.000 description 2
- LEQAOMBKQFMDFZ-UHFFFAOYSA-N glyoxal Chemical compound O=CC=O LEQAOMBKQFMDFZ-UHFFFAOYSA-N 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 239000004033 plastic Substances 0.000 description 2
- 229920003023 plastic Polymers 0.000 description 2
- 229920002647 polyamide Polymers 0.000 description 2
- 229920000573 polyethylene Polymers 0.000 description 2
- 229920000642 polymer Polymers 0.000 description 2
- ODGAOXROABLFNM-UHFFFAOYSA-N polynoxylin Chemical compound O=C.NC(N)=O ODGAOXROABLFNM-UHFFFAOYSA-N 0.000 description 2
- 229920001451 polypropylene glycol Polymers 0.000 description 2
- 229920001296 polysiloxane Polymers 0.000 description 2
- BDERNNFJNOPAEC-UHFFFAOYSA-N propan-1-ol Chemical compound CCCO BDERNNFJNOPAEC-UHFFFAOYSA-N 0.000 description 2
- 230000002787 reinforcement Effects 0.000 description 2
- 238000004513 sizing Methods 0.000 description 2
- 239000008107 starch Substances 0.000 description 2
- 150000005846 sugar alcohols Polymers 0.000 description 2
- 230000003746 surface roughness Effects 0.000 description 2
- SMZOUWXMTYCWNB-UHFFFAOYSA-N 2-(2-methoxy-5-methylphenyl)ethanamine Chemical compound COC1=CC=C(C)C=C1CCN SMZOUWXMTYCWNB-UHFFFAOYSA-N 0.000 description 1
- NIXOWILDQLNWCW-UHFFFAOYSA-N 2-Propenoic acid Natural products OC(=O)C=C NIXOWILDQLNWCW-UHFFFAOYSA-N 0.000 description 1
- NLHHRLWOUZZQLW-UHFFFAOYSA-N Acrylonitrile Chemical compound C=CC#N NLHHRLWOUZZQLW-UHFFFAOYSA-N 0.000 description 1
- 239000005995 Aluminium silicate Substances 0.000 description 1
- 244000025254 Cannabis sativa Species 0.000 description 1
- 235000012766 Cannabis sativa ssp. sativa var. sativa Nutrition 0.000 description 1
- 235000012765 Cannabis sativa ssp. sativa var. spontanea Nutrition 0.000 description 1
- 239000004215 Carbon black (E152) Substances 0.000 description 1
- 241000196324 Embryophyta Species 0.000 description 1
- IAYPIBMASNFSPL-UHFFFAOYSA-N Ethylene oxide Chemical class C1CO1 IAYPIBMASNFSPL-UHFFFAOYSA-N 0.000 description 1
- 229920000926 Galactomannan Polymers 0.000 description 1
- 108010010803 Gelatin Proteins 0.000 description 1
- 229920002488 Hemicellulose Polymers 0.000 description 1
- 240000006240 Linum usitatissimum Species 0.000 description 1
- 235000004431 Linum usitatissimum Nutrition 0.000 description 1
- 239000004368 Modified starch Substances 0.000 description 1
- 229920000881 Modified starch Polymers 0.000 description 1
- 229910000503 Na-aluminosilicate Inorganic materials 0.000 description 1
- 239000004743 Polypropylene Substances 0.000 description 1
- OFOBLEOULBTSOW-UHFFFAOYSA-N Propanedioic acid Natural products OC(=O)CC(O)=O OFOBLEOULBTSOW-UHFFFAOYSA-N 0.000 description 1
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 1
- 239000004115 Sodium Silicate Substances 0.000 description 1
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 description 1
- 239000000853 adhesive Substances 0.000 description 1
- 238000004026 adhesive bonding Methods 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 125000001931 aliphatic group Chemical group 0.000 description 1
- 125000003342 alkenyl group Chemical group 0.000 description 1
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 description 1
- 235000012211 aluminium silicate Nutrition 0.000 description 1
- 150000001408 amides Chemical class 0.000 description 1
- 238000004458 analytical method Methods 0.000 description 1
- 230000003254 anti-foaming effect Effects 0.000 description 1
- 239000007864 aqueous solution Substances 0.000 description 1
- 239000003849 aromatic solvent Substances 0.000 description 1
- 238000009835 boiling Methods 0.000 description 1
- 235000010216 calcium carbonate Nutrition 0.000 description 1
- 235000009120 camo Nutrition 0.000 description 1
- 239000000969 carrier Substances 0.000 description 1
- 235000005607 chanvre indien Nutrition 0.000 description 1
- 239000008119 colloidal silica Substances 0.000 description 1
- 239000003086 colorant Substances 0.000 description 1
- 229920001577 copolymer Polymers 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 230000000994 depressogenic effect Effects 0.000 description 1
- 239000006185 dispersion Substances 0.000 description 1
- 239000000839 emulsion Substances 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 210000002615 epidermis Anatomy 0.000 description 1
- 238000011156 evaluation Methods 0.000 description 1
- 238000001704 evaporation Methods 0.000 description 1
- 230000008020 evaporation Effects 0.000 description 1
- 239000002979 fabric softener Substances 0.000 description 1
- 150000002191 fatty alcohols Chemical class 0.000 description 1
- 150000002194 fatty esters Chemical class 0.000 description 1
- 239000000945 filler Substances 0.000 description 1
- 238000007647 flexography Methods 0.000 description 1
- 239000006260 foam Substances 0.000 description 1
- 229920000159 gelatin Polymers 0.000 description 1
- 235000019322 gelatine Nutrition 0.000 description 1
- 235000011852 gelatine desserts Nutrition 0.000 description 1
- 235000011187 glycerol Nutrition 0.000 description 1
- 150000002334 glycols Chemical class 0.000 description 1
- 229940015043 glyoxal Drugs 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 239000011121 hardwood Substances 0.000 description 1
- 239000011487 hemp Substances 0.000 description 1
- 229930195733 hydrocarbon Natural products 0.000 description 1
- 150000002430 hydrocarbons Chemical class 0.000 description 1
- 229910052739 hydrogen Inorganic materials 0.000 description 1
- 239000001257 hydrogen Substances 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 238000005304 joining Methods 0.000 description 1
- NLYAJNPCOHFWQQ-UHFFFAOYSA-N kaolin Chemical compound O.O.O=[Al]O[Si](=O)O[Si](=O)O[Al]=O NLYAJNPCOHFWQQ-UHFFFAOYSA-N 0.000 description 1
- 239000004816 latex Substances 0.000 description 1
- 229920000126 latex Polymers 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- VZCYOOQTPOCHFL-UPHRSURJSA-N maleic acid Chemical compound OC(=O)\C=C/C(O)=O VZCYOOQTPOCHFL-UPHRSURJSA-N 0.000 description 1
- 239000011976 maleic acid Substances 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 229910021645 metal ion Inorganic materials 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 235000019426 modified starch Nutrition 0.000 description 1
- 229930014626 natural product Natural products 0.000 description 1
- 239000000025 natural resin Substances 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 239000003960 organic solvent Substances 0.000 description 1
- 239000005026 oriented polypropylene Substances 0.000 description 1
- 239000012188 paraffin wax Substances 0.000 description 1
- 229920001155 polypropylene Polymers 0.000 description 1
- 229920002635 polyurethane Polymers 0.000 description 1
- 239000004814 polyurethane Substances 0.000 description 1
- 229920002451 polyvinyl alcohol Polymers 0.000 description 1
- 235000019422 polyvinyl alcohol Nutrition 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 238000003672 processing method Methods 0.000 description 1
- 239000011253 protective coating Substances 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 239000012783 reinforcing fiber Substances 0.000 description 1
- 238000009877 rendering Methods 0.000 description 1
- 238000007761 roller coating Methods 0.000 description 1
- 238000007650 screen-printing Methods 0.000 description 1
- 230000001932 seasonal effect Effects 0.000 description 1
- 210000002374 sebum Anatomy 0.000 description 1
- 238000007493 shaping process Methods 0.000 description 1
- 238000002791 soaking Methods 0.000 description 1
- 235000012217 sodium aluminium silicate Nutrition 0.000 description 1
- 235000019351 sodium silicates Nutrition 0.000 description 1
- 239000011122 softwood Substances 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- SKIVFJLNDNKQPD-UHFFFAOYSA-N sulfacetamide Chemical compound CC(=O)NS(=O)(=O)C1=CC=C(N)C=C1 SKIVFJLNDNKQPD-UHFFFAOYSA-N 0.000 description 1
- 238000004381 surface treatment Methods 0.000 description 1
- 239000012209 synthetic fiber Substances 0.000 description 1
- 229920002994 synthetic fiber Polymers 0.000 description 1
- 208000006379 syphilis Diseases 0.000 description 1
- 239000000454 talc Substances 0.000 description 1
- 229910052623 talc Inorganic materials 0.000 description 1
- 229920001187 thermosetting polymer Polymers 0.000 description 1
- 239000004634 thermosetting polymer Substances 0.000 description 1
- 239000010936 titanium Substances 0.000 description 1
- 229910052719 titanium Inorganic materials 0.000 description 1
- VZCYOOQTPOCHFL-UHFFFAOYSA-N trans-butenedioic acid Natural products OC(=O)C=CC(O)=O VZCYOOQTPOCHFL-UHFFFAOYSA-N 0.000 description 1
- 239000002966 varnish Substances 0.000 description 1
- 230000037303 wrinkles Effects 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
- D21H21/16—Sizing or water-repelling 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
- D21H17/00—Non-fibrous material added to the pulp, characterised by its constitution; Paper-impregnating material characterised by its constitution
- D21H17/20—Macromolecular organic compounds
- D21H17/33—Synthetic macromolecular compounds
- D21H17/34—Synthetic macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds
- D21H17/41—Synthetic macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds containing ionic groups
- D21H17/44—Synthetic macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds containing ionic groups cationic
- D21H17/45—Nitrogen-containing groups
- D21H17/455—Nitrogen-containing groups comprising tertiary amine or being at least partially quaternised
-
- 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
- D21H17/00—Non-fibrous material added to the pulp, characterised by its constitution; Paper-impregnating material characterised by its constitution
- D21H17/20—Macromolecular organic compounds
- D21H17/33—Synthetic macromolecular compounds
- D21H17/46—Synthetic macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds
- D21H17/53—Polyethers; Polyesters
-
- 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
- D21H21/18—Reinforcing 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
- 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
- D21H21/40—Agents facilitating proof of genuineness or preventing fraudulent alteration, e.g. for security paper
Definitions
- the invention relates to a paper medium with high durability for printing a security document, including a banknote.
- the invention also relates to a method of manufacturing this paper support and a security document made from such a paper support.
- Security documents are subject to numerous solicitations during their circulation. These may be of a mechanical nature, for example folds, wrinkles and other manipulations that may lead to more or less marked deterioration of the fibers or even tears thereof.
- plastic banknotes for example those made on bi-oriented polypropylene (BOPP), presented as products ensuring a long life and other hybrid products including both paper parts and other plastics based on polyamides or polyesters.
- BOPP bi-oriented polypropylene
- the central banks responsible for the issuance, circulation and withdrawal of banknotes have budgetary constraints that compel them to seek an increase in the longevity of banknotes in order to reduce the cost of the banknote cycle. cash, which makes them legitimately turn to the aforementioned solutions.
- the substrates obtained with the techniques identified above have various disadvantages: To be difficult to print by the very closed nature of the supports. The inks penetrate the support with difficulty and thus their drying and their adhesion on the substrate can be disturbed; this results in certain difficulties during the production of the banknotes and sometimes low ink in time. In addition, dull colors can result from these impressions.
- the varnishing of the support is mandatory to guarantee a minimum hold over time.
- the reinforcing agent is constituted by additional fibers of a different nature, which are added to the cellulose fibers already usually present in the paper structure.
- WO 2007/000177 describes a process for manufacturing two-ply toilet paper in which, before joining these two plies, at least a surface of the outer sheet a softening composition providing a pleasant contact for the epidermis.
- a paper support for the manufacture and printing of a security document including a banknote, which has characteristics of "high durability ", namely high barrier properties as well as a high resistance to mechanical stress without modifying the paper process, more precisely without adding fibers other than the cellulose fibers usually used for the manufacture of such a paper, nor disturbing the printing of the final support. More precisely, it is sought on the one hand to increase the flexibility of the fibers, while maintaining a relative rigidity of the paper support, so as to increase its resistance to folding and on the other hand to increase its resistance to water and water. oil to prevent deterioration of the support by water and fatty substances that are likely to be deposited on its surface.
- the present invention relates to a high durability paper medium for printing a security document, especially a banknote, comprising cellulose fibers, in a proportion of at least 50% by weight relative to to the total mass of the paper support in the dry state, additives and adjuvants, at least one binder, and which further comprises at least one oleophobic and hydrophobic agent based on an organic compound containing perfluoropolyether groups (PFPE), in a concentration greater than 0% and less than or equal to 5% by mass in the dry state relative to the total mass of the paper support in the dry state,
- PFPE perfluoropolyether groups
- This support also comprises at least one non-fibrous structural reinforcing agent of the family of softening agents, that is to say agents that increase the flexibility of the cellulose fibers, in an amount of between 0.5% and 15% by weight. relative to the total mass of the paper support in the dry state.
- the Young's modulus of said support measured according to the ISO 1924 standard, is at least 30%, preferably 50% to 60%, less than that of a paper support devoid of said structural reinforcing agent; it has an average SM / ST value of double fold resistance greater than 100%, and preferably 200%, than that of a paper support without said structural reinforcing agent;
- the concentration of cellulose fibers is greater than or equal to 85% and less than 100% by mass in the dry state relative to the total mass of said paper support in the dry state;
- the additives and adjuvants and binder are present in a concentration greater than 0% and less than or equal to 15% by mass in the dry state relative to the total mass of said paper support in the dry state;
- the structural reinforcing agent is selected from surfactants;
- said structural reinforcing agent is chosen from cationic surfactants, in particular from quaternary ammonium compounds and cationic polymers;
- said structural reinforcing agent is chosen from nonionic surfactants, especially from the group consisting of polybutylene, long-chain fatty acids, ie having a chain length greater than or equal to 10 carbon atoms, and ethoxylated fatty amino acids;
- said structural reinforcing agent is chosen from anionic surfactants;
- the perfluoropolyether groups have in their chemical formulas the base fragments - (CF 2 CFO 2) m - (CF 2 O) n - where m and n are integers.
- the invention also relates to a security document which comprises a support according to one of the preceding characteristics.
- said document is a bank note.
- agent (s) for structural reinforcement and addition of agent (s) oleophobic (s) and hydrophobic (s), alone or in mixture, namely that:
- step h) when they are added alone, ie individually: the structural reinforcing agent is added in step c) and the oleophobic and hydrophobic agent in step h), or vice versa; or both agents are applied one after the other in step h) in line on the paper machine, the first of which is dried by hot air or infrared radiation, before to apply the second, itself dried by hot air or infrared radiation,
- step c) when they are added as a mixture, this addition is carried out during step c) or during step h).
- the structural reinforcing agents and the oleophobic and hydrophobic agents are applied offline, separately or as a mixture, by coating, dipping, impregnation, surfacing, spraying, air-blading, curtain coating, pencil coating, roller coating. engraved, attendants or by transfer, type "size press", “film press”, without this enumeration being exhaustive
- the properties of high durability are obtained by a surface treatment that does not require modification of the fibrous composition of the substrate.
- the air permeability obtained is not zero, unlike the permeabilities of the majority of high durability media currently known on the market.
- the Cobb bonding value obtained that is to say the water absorption capacity of the support is normal and comparable to that of a standard paper for banknote, which reinforces its printability. Its printing is thus facilitated.
- the support as described by the invention retains its barrier properties after creasing, including permeability values and Cobb which remain relatively low, unlike untreated paper. These characteristics are important parameters that allow the support to better withstand mechanical stresses when it is in circulation in the field.
- the support as described by the invention has increased flexural strength while maintaining a normal overall stiffness and comparable to a standard paper.
- the fibers used in the composition of the paper support are mainly cellulose fibers.
- these cellulose fibers are chosen from fibers made from hardwoods, softwoods, seasonal plants. such as cotton, hemp or flax, for example. These different fibers can be used alone or as a mixture.
- the cellulose fibers used are cotton fibers. This fiber is used for its good physical and mechanical characteristics. Indeed, the long cotton fibers can measure up to 40 mm long, which gives the paper obtained a very good resistance to folding.
- the paper support according to the invention also comprises nonfibrous additives and adjuvants, preferably chosen from antifoaming compounds, mineral fillers, wet strength agents and bonding agents used alone or in combination with mixture of at least two of them.
- the antifoam compounds are, for example, agents such as silicones, silicone emulsions, polyethylene glycols, polyethylene glycol derivatives, synthetic polyalcohols, polyalcohol derivatives, amide antifoams, ester base; surfactants such as oligomers, ethylene oxides (EtO), polypropylene oxides (PPOx); hydrophobic agents such as hydrocarbon waxes, polyethylene waxes, fatty alcohols, fatty acids, fatty esters, ethylenesbis (steramide) (EBS), hydrophobic silicas.
- agents such as silicones, silicone emulsions, polyethylene glycols, polyethylene glycol derivatives, synthetic polyalcohols, polyalcohol derivatives, amide antifoams, ester base
- surfactants such as oligomers, ethylene oxides (EtO), polypropylene oxides (PPOx)
- hydrophobic agents such as hydrocarbon waxes, polyethylene waxes, fatty alcohols,
- antifoam compounds will be added during the preparation of the pulp as well as in the wet part of the paper machine, in order to avoid the formation of foam, or even to destroy it and thus to improve the formation of the sheet.
- the mineral fillers are chosen from colloidal silica, sodium silicates, sodium aluminosilicates, natural or precipitated calcium carbonates, talc, natural or calcined kaolin, alumina hydrate, titanium and barium sulphate, alone or as a mixture of at least two of them.
- These mineral fillers are added to modify the optical properties of the paper obtained, such as its whiteness, gloss or opacity, but also its surface properties. Some of these fillers are less expensive than fibers and are therefore added to reduce manufacturing costs.
- the wet strength agents are thermosetting polymers which are added when the paper is still in the wet state and which reticens in the paper during its passage in dryness. They play a role of barrier to water once the paper is made.
- polymers which bind the fibers together such as urea-formaldehyde (UF) resins, melamine-formaldehyde (MF) resins, polyamidoamine-epichlorohydrin resins (PAA-E ), glyoxal resins, metal ion complexes alone or in admixture.
- UF urea-formaldehyde
- MF melamine-formaldehyde
- PAA-E polyamidoamine-epichlorohydrin resins
- glyoxal resins metal ion complexes alone or in admixture.
- Bonding agents retard the penetration of liquids into the paper. They are implemented either when the paper is still in the wet state (sizing in the mass of the paper), or at the gluing press
- natural products such as modified natural resins (resin-based adhesives), starch or modified starch or synthetic products, such as alkyl ketene dimer (AKD), are used.
- anhydrous succinic alkenyl (ASA) and other polymers for example copolymers based on esters of acrylic acid and maleic acid, acrylonitrile and styrene).
- ASA succinic alkenyl
- other polymers for example copolymers based on esters of acrylic acid and maleic acid, acrylonitrile and styrene.
- AKD is the most commonly used bonding chemical and should preferably be used when product specifications permit. It is also possible to use paraffin wax and polyethylene waxes. These different products can be used alone or mixed.
- the fibers, additives and adjuvants are mixed and are bonded together by the use of at least one binder.
- the binder makes it possible to improve the strength of the paper in the dry state.
- the binder is chosen from polyvinyl alcohols, starch, starches, latex, hemicelluloses, CMCs (carboxymethylcelluloses), galactomannans, gelatins or polyamide-epichlorohydrin resins, taken alone or as a mixture of at least two of them.
- the paper support also comprises an oleophobic and hydrophobic agent.
- This oleophobic and hydrophobic agent is introduced preferably in the form of an aqueous dispersion based on perfluoro-polyether (PFPE), possed antdans lues o rm u chimiqu es f ra ts gm Ba - (CF 2 CF 2 0 ) m - (CF20) n - where m and n are integers.
- PFPE perfluoro-polyether
- PFPE perfluoro-polyether
- possed antdans lues o rm u chimiqu es f ra ts gm Ba
- At least one non-fibrous structural reinforcing agent of the family of softeners is added to the fibers, additives, adjuvants and binders mentioned above.
- an agent is used which makes it possible to increase the flexibility of the cellulose fibers of the paper. In other words, the Young's modulus of these fibers is decreased and their elongation at break is increased.
- the structural reinforcing agent is chosen from surfactants such as cationic surfactants, in particular from quaternary ammonium compounds and cationic polymers.
- nonionic surfactants especially in the group consisting of polybutylene, long chain fatty acids, that is to say having at least 10 carbon atoms, and ethoxylated fatty amino acids;
- anionic surfactants are provided.
- the amount of structural reinforcing agent, which may be described as softening agent is preferably between 1 and 30% by weight relative to the total weight of the softening composition.
- the softening agent solution contains water - between 20 and 90%, preferably between 60 and 90%.
- It may also contain low molecular weight organic solvents such as polyethylene glycol, ethanol, isopropanol, n-propanol, acetone, methyl ethyl ketone, ethylene glycol, propylene glycol, glycerin, used alone or in mixture.
- organic solvents such as polyethylene glycol, ethanol, isopropanol, n-propanol, acetone, methyl ethyl ketone, ethylene glycol, propylene glycol, glycerin, used alone or in mixture.
- the amount of these solvents may be between 0 and 30%, preferably between 3 and 15%.
- This softening agent may be chosen, for example, from the range FiberPlus ® sold by Henkel.
- FiberPlus ® sold by Henkel.
- - Cellulose fiber greater than or equal to 85% and less than 100%, preferably between 88 to 92%;
- Additives, adjuvants and binders greater than 0% and less than or equal to 15%, preferably between 8% and 12%;
- - Structural reinforcement agent greater than 0% and less than or equal to 15%, preferably between 0.5% and 3%;
- Oleophobic and hydrophobic agent greater than 0% and less than or equal to 5%, preferably between 0.5 and 2%;
- the cellulose fibers are suspended in water.
- the mixture is then refined to generate small fibrous elements that will allow the fibers to interlace more easily and the sheet to have excellent mechanical strength.
- the various additives, adjuvants and binders are added to the fibrous suspension.
- the structural reinforcing agent may be added at this stage, alone or in admixture with the oleophobic and hydrophobic agent.
- the fibrous suspension is finally purified by gravity to remove impurities, and by filtration to remove agglomerates of fibers that could affect the homogeneity of the sheet.
- the oleophobic and hydrophobic bonding agent (s) containing the perfluoropolyether groups and the structural reinforcing agent may be integrated into the paper support by coating, dipping, impregnation, surfacing, spraying, coating. with air knife, curtain coating, pencil coating, engraved roll coating, attendant or transfer type, "size press", “film press”, online or offline, singly or in combination.
- the formation of the sheet constituting the paper support can be done with a round machine, with or without the addition of a pre-layer under pressure (commonly called in the fiduciaire industry "short train"), or with a flat table single or double jet.
- a watermark, a security thread, security fibers, hilites, boards, or markers can be integrated into the paper support during its formation.
- the structural reinforcing agents as well as the oleophobic and hydrophobic bonding agents can be applied online or offline and separately, namely that the first product is dried before applying the second product. The order of application can be reversed.
- the structural reinforcing agents and the oleophobic and hydrophobic bonding agents can be added in admixture with either the various additives, adjuvants and binders in the fibrous suspension, or by the various coating techniques mentioned above, online or offline.
- the paper support thus formed is printable and convertible by all known printing and processing methods and especially those commonly used in the fiduciary industry (offset, screen printing, intaglio printing, hot layering, flexography, typography, etc.). It is also possible to varnish before or after printing.
- Hydrophobicity is characterized as resistance to water penetration and is measured using the Cobb test (60 s), according to ISO 535. This is the amount of water absorbed by the substrate in g / m 2 thanks to a cylindrical impregnation template, for a period of 60 seconds. This is an otherwise common test in the paper industry to characterize paper absorption.
- the results may give an indication of the printability of the media. Indeed, if the value of Cobb is very low, we can expect a refusal of ink from the support. On the other hand, with a value that is too high, it may be difficult to achieve the desired rendering in terms of color intensity.
- the standard values for a bank note are between 40 and 80 g / m 2 .
- the crumpling was carried out once, on the dry sample of dimensions 6.7 x 6.7 cm using a device allowing wrinkling developed by the "National Bureau of Standards" and marketed by IGT Testing Systems, a device commonly used in the fiduciary field.
- the sample is wrapped around a fork before being slid in a tube with a cap.
- This tube is then engaged in a vertical sleeve provided with a solid rod.
- the tube must then be depressed until a detachment of the counterweight of the IGT apparatus is obtained, thereby applying a force of 100N to the sample.
- the sample thus wrinkled is then removed by opening the cap. Finally the sample is gently unwrapped manually.
- Oleophobia is measured by a fat exposure test.
- the method used called “Test Kit” uses a mixture of castor oil (fats) and high-boiling solvents, namely toluene (aromatic solvent) and n-heptane (aliphatic solvent ).
- a composition rich in castor oil is at the bottom of the scale, while a composition rich in heavy solvents is at the top of the scale.
- the rigidity of the support was also evaluated by the Kodak rigidity measurement according to ISO 5629.
- Surface properties such as Bendsten roughness and Bendsten air permeability were also measured, according to ISO 8791-2 and ISO 5636-3 standards on the front and back sides respectively, giving an indication of printability of the support.
- the actual thickness of material obtained is lower after evaporation of the water during drying.
- the dry weight thus deposited of oleophobic and hydrophobic agent is about 0.5 g / m 2 per side. That of the fabric softener is about 4.5 g / m 2 per side.
- Table 1 shows that the air permeability after crumpling (x8) of the solution according to the invention is more than two times lower than the untreated paper, which unambiguously indicates a destructuring well. bottom of the support.
- the solution according to the invention also increases by two to three times (depending on the face considered) the water resistance, even after crumpling (crumpling x1) relative to the untreated support.
- the applied treatment therefore retains a significant barrier effect even after creasing of the support.
- the surface roughness of the solution is higher, from 40 to 60% depending on the face considered, than the untreated substrate. This roughness value can be decreased by calendering if necessary.
- the resistance to oil is significantly improved with a score of 8 in the Test Kit on both sides.
- the results of the double-fold test of the solution according to the invention are more than three times greater than untreated Vellum paper thanks to the structural reinforcing agent which provides flexibility to the fibers.
- the wet strength is improved by 7% both in the direction of travel and in the cross direction. This feature is important to ensure holding of notes in circulation especially in humid regions. Indeed, in the presence of water, the hydrogen bonds which bind the paper fibers between them are easily broken and this has the effect of greatly reducing the strength of the paper sheet which will then begin to destructure.
- the adhesion of the inks on the paper support according to the invention was evaluated for three types of printing characteristic of the manufacture of bank notes: offset, intaglio and typography.
- the resistance of these inks was evaluated by a series of chemical (soaking in various chemicals) and mechanical tests. Among the mechanical tests, there is the "crumpling or crumpling test" which evaluates the crease resistance of the paper medium and the inks printed on the latter in the dry and wet state.
- the sample For wet crumpling, the sample is placed in water for 15 minutes before wrinkling. The wrinkling is repeated 4, 8 and 40 times on the dry sample and on the wet sample, 4 and 8 times, using an IGT crumpling apparatus described earlier in the text.
- the behavior of the inks is good with results equivalent to those obtained on papers without treatment according to the invention.
- fluo offset it is common to have 0 or 1 marks on hot water and laundry tests on untreated standard paper.
- Example 2 the treatment as described by the invention is applied by a 1300 mm wide coil-to-coil coating machine (product A and then produced B in line), on wove paper 100 % cotton.
- the machine scroll speed during the coating was 60m / min.
- the product A is dried with hot air ovens before applying the product B itself dried by hot air oven.
- the wrinkled air permeability (x8) of Example 2 is more than four times lower than the untreated paper.
- the water resistance after crumpling (crumpling x1) is also improved: the absorption of water is twice as low with the support according to the invention as with the untreated support.
- the applied treatment retains its barrier effect even after creasing of the support.
- Oil resistance is improved by five points on the front and back of the untreated paper. This result is lower than that obtained in Example 1, which can be attributed on the one hand to the difference in application technique ("bar coating" in one case and air-layering in the other) and, on the other hand, the roughness values of the treated support which are higher than those obtained in Example 1.
- the surface roughness of the support can have an impact on the oil resistance. Note that it is possible to reduce the roughness by calendering the support after coating and drying of the latter.
- the double fold results of the solution according to the invention are three times higher than the untreated standard paper.
- the wet strength is also improved: 7% on the front and 6% on the back.
- the treatment according to the invention has been applied to several vellum papers from different suppliers to check the compatibility and the effectiveness of the treatment on different papers.
- the treatment is compatible with different Vellum papers.
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Paper (AREA)
Abstract
Description
Claims
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR1758867A FR3071518B1 (fr) | 2017-09-26 | 2017-09-26 | Support papier, document de securite qui le comprend et procede de fabrication |
PCT/EP2018/075988 WO2019063560A1 (fr) | 2017-09-26 | 2018-09-25 | Support papier, document de securite qui le comprend et procede de fabrication |
Publications (2)
Publication Number | Publication Date |
---|---|
EP3688223A1 true EP3688223A1 (fr) | 2020-08-05 |
EP3688223B1 EP3688223B1 (fr) | 2022-02-16 |
Family
ID=60515595
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP18782358.8A Active EP3688223B1 (fr) | 2017-09-26 | 2018-09-25 | Support papier, document de securite qui le comprend et procede de fabrication |
Country Status (3)
Country | Link |
---|---|
EP (1) | EP3688223B1 (fr) |
FR (1) | FR3071518B1 (fr) |
WO (1) | WO2019063560A1 (fr) |
Family Cites Families (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5200037A (en) * | 1988-05-23 | 1993-04-06 | The Procter & Gamble Company | Absorbent structures from mixed furnishes |
DE10148122A1 (de) | 2001-09-28 | 2003-04-24 | Giesecke & Devrient Gmbh | Sicherheitspapier |
BRPI0520367A2 (pt) | 2005-06-29 | 2009-05-05 | Henkel Kgaa | processo para amaciar papel higiênico |
BRPI0913982B1 (pt) * | 2008-07-01 | 2019-11-12 | Solvay Solexis Spa | processo para conferir repelência a graxa, óleo e água a um substrato |
FR2975408B1 (fr) | 2011-05-18 | 2020-10-23 | Arjowiggins Security | Feuille a haute durabilite pour la fabrication de billets de banque |
FR3025532A1 (fr) * | 2014-09-05 | 2016-03-11 | Oberthur Fiduciaire Sas | Support papier, son procede de fabrication et document de securite fabrique avec celui-ci |
-
2017
- 2017-09-26 FR FR1758867A patent/FR3071518B1/fr not_active Expired - Fee Related
-
2018
- 2018-09-25 WO PCT/EP2018/075988 patent/WO2019063560A1/fr unknown
- 2018-09-25 EP EP18782358.8A patent/EP3688223B1/fr active Active
Also Published As
Publication number | Publication date |
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FR3071518A1 (fr) | 2019-03-29 |
EP3688223B1 (fr) | 2022-02-16 |
FR3071518B1 (fr) | 2019-10-04 |
WO2019063560A1 (fr) | 2019-04-04 |
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