EP2601346A1 - Process for manufacturing paper and board having improved retention and drainage properties - Google Patents
Process for manufacturing paper and board having improved retention and drainage propertiesInfo
- Publication number
- EP2601346A1 EP2601346A1 EP11752300.1A EP11752300A EP2601346A1 EP 2601346 A1 EP2601346 A1 EP 2601346A1 EP 11752300 A EP11752300 A EP 11752300A EP 2601346 A1 EP2601346 A1 EP 2601346A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- retention agent
- retention
- polymer
- main
- fibrous suspension
- 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
- 230000014759 maintenance of location Effects 0.000 title claims abstract description 147
- 238000000034 method Methods 0.000 title claims abstract description 32
- 230000008569 process Effects 0.000 title claims abstract description 15
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 13
- 229920000642 polymer Polymers 0.000 claims abstract description 32
- 125000002091 cationic group Chemical group 0.000 claims abstract description 22
- 125000000129 anionic group Chemical group 0.000 claims abstract description 19
- 229920001577 copolymer Polymers 0.000 claims abstract description 18
- 239000000725 suspension Substances 0.000 claims abstract description 18
- 238000006731 degradation reaction Methods 0.000 claims abstract description 16
- 239000003795 chemical substances by application Substances 0.000 claims description 103
- 239000000123 paper Substances 0.000 claims description 25
- 239000000178 monomer Substances 0.000 claims description 24
- HRPVXLWXLXDGHG-UHFFFAOYSA-N Acrylamide Chemical compound NC(=O)C=C HRPVXLWXLXDGHG-UHFFFAOYSA-N 0.000 claims description 12
- XLYOFNOQVPJJNP-UHFFFAOYSA-M hydroxide Chemical compound [OH-] XLYOFNOQVPJJNP-UHFFFAOYSA-M 0.000 claims description 7
- FQPSGWSUVKBHSU-UHFFFAOYSA-N methacrylamide Chemical compound CC(=C)C(N)=O FQPSGWSUVKBHSU-UHFFFAOYSA-N 0.000 claims description 6
- 229940088644 n,n-dimethylacrylamide Drugs 0.000 claims description 6
- YLGYACDQVQQZSW-UHFFFAOYSA-N n,n-dimethylprop-2-enamide Chemical compound CN(C)C(=O)C=C YLGYACDQVQQZSW-UHFFFAOYSA-N 0.000 claims description 6
- 238000010008 shearing Methods 0.000 claims description 6
- UZNHKBFIBYXPDV-UHFFFAOYSA-N trimethyl-[3-(2-methylprop-2-enoylamino)propyl]azanium;chloride Chemical compound [Cl-].CC(=C)C(=O)NCCC[N+](C)(C)C UZNHKBFIBYXPDV-UHFFFAOYSA-N 0.000 claims description 6
- GQOKIYDTHHZSCJ-UHFFFAOYSA-M dimethyl-bis(prop-2-enyl)azanium;chloride Chemical compound [Cl-].C=CC[N+](C)(C)CC=C GQOKIYDTHHZSCJ-UHFFFAOYSA-M 0.000 claims description 5
- 239000011087 paperboard Substances 0.000 claims description 5
- XXROGKLTLUQVRX-UHFFFAOYSA-N allyl alcohol Chemical compound OCC=C XXROGKLTLUQVRX-UHFFFAOYSA-N 0.000 claims description 4
- 239000007864 aqueous solution Substances 0.000 claims description 4
- 238000002347 injection Methods 0.000 claims description 4
- 239000007924 injection Substances 0.000 claims description 4
- ZKYCLDTVJCJYIB-UHFFFAOYSA-N 2-methylidenedecanamide Chemical compound CCCCCCCCC(=C)C(N)=O ZKYCLDTVJCJYIB-UHFFFAOYSA-N 0.000 claims description 3
- WHNWPMSKXPGLAX-UHFFFAOYSA-N N-Vinyl-2-pyrrolidone Chemical compound C=CN1CCCC1=O WHNWPMSKXPGLAX-UHFFFAOYSA-N 0.000 claims description 3
- XTXRWKRVRITETP-UHFFFAOYSA-N Vinyl acetate Chemical compound CC(=O)OC=C XTXRWKRVRITETP-UHFFFAOYSA-N 0.000 claims description 3
- 150000001252 acrylic acid derivatives Chemical class 0.000 claims description 3
- 235000012216 bentonite Nutrition 0.000 claims description 3
- 230000002209 hydrophobic effect Effects 0.000 claims description 3
- 150000002734 metacrylic acid derivatives Chemical class 0.000 claims description 3
- 229910052901 montmorillonite Inorganic materials 0.000 claims description 3
- RQAKESSLMFZVMC-UHFFFAOYSA-N n-ethenylacetamide Chemical compound CC(=O)NC=C RQAKESSLMFZVMC-UHFFFAOYSA-N 0.000 claims description 3
- ZQXSMRAEXCEDJD-UHFFFAOYSA-N n-ethenylformamide Chemical compound C=CNC=O ZQXSMRAEXCEDJD-UHFFFAOYSA-N 0.000 claims description 3
- XFHJDMUEHUHAJW-UHFFFAOYSA-N n-tert-butylprop-2-enamide Chemical compound CC(C)(C)NC(=O)C=C XFHJDMUEHUHAJW-UHFFFAOYSA-N 0.000 claims description 3
- 229920000620 organic polymer Polymers 0.000 claims description 3
- BDHFUVZGWQCTTF-UHFFFAOYSA-N sulfonic acid Chemical group OS(=O)=O BDHFUVZGWQCTTF-UHFFFAOYSA-N 0.000 claims description 3
- 229940117958 vinyl acetate Drugs 0.000 claims description 3
- 239000010457 zeolite Substances 0.000 claims description 3
- JKNCOURZONDCGV-UHFFFAOYSA-N 2-(dimethylamino)ethyl 2-methylprop-2-enoate Chemical compound CN(C)CCOC(=O)C(C)=C JKNCOURZONDCGV-UHFFFAOYSA-N 0.000 claims description 2
- DPBJAVGHACCNRL-UHFFFAOYSA-N 2-(dimethylamino)ethyl prop-2-enoate Chemical compound CN(C)CCOC(=O)C=C DPBJAVGHACCNRL-UHFFFAOYSA-N 0.000 claims description 2
- 229910000323 aluminium silicate Inorganic materials 0.000 claims description 2
- 239000005556 hormone Substances 0.000 claims description 2
- 229940088597 hormone Drugs 0.000 claims description 2
- 235000019355 sepiolite Nutrition 0.000 claims description 2
- FAPWRFPIFSIZLT-UHFFFAOYSA-M Sodium chloride Chemical compound [Na+].[Cl-] FAPWRFPIFSIZLT-UHFFFAOYSA-M 0.000 claims 2
- 239000013543 active substance Substances 0.000 claims 1
- DJZBBNTWXXOCDV-UHFFFAOYSA-O dimethyl-[(prop-2-enoylamino)methyl]-propylazanium Chemical compound CCC[N+](C)(C)CNC(=O)C=C DJZBBNTWXXOCDV-UHFFFAOYSA-O 0.000 claims 1
- 239000011780 sodium chloride Substances 0.000 claims 1
- 230000015572 biosynthetic process Effects 0.000 abstract description 8
- 239000000835 fiber Substances 0.000 description 18
- 238000012360 testing method Methods 0.000 description 15
- 229920006318 anionic polymer Polymers 0.000 description 12
- 239000002585 base Substances 0.000 description 12
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 12
- 239000007857 degradation product Substances 0.000 description 10
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 description 9
- 239000011347 resin Substances 0.000 description 9
- 229920005989 resin Polymers 0.000 description 9
- 230000015556 catabolic process Effects 0.000 description 8
- 239000002655 kraft paper Substances 0.000 description 8
- 238000006116 polymerization reaction Methods 0.000 description 8
- 239000000047 product Substances 0.000 description 8
- VTYYLEPIZMXCLO-UHFFFAOYSA-L Calcium carbonate Chemical compound [Ca+2].[O-]C([O-])=O VTYYLEPIZMXCLO-UHFFFAOYSA-L 0.000 description 6
- 238000007792 addition Methods 0.000 description 6
- 238000006243 chemical reaction Methods 0.000 description 6
- 238000005352 clarification Methods 0.000 description 6
- WQYVRQLZKVEZGA-UHFFFAOYSA-N hypochlorite Chemical compound Cl[O-] WQYVRQLZKVEZGA-UHFFFAOYSA-N 0.000 description 6
- ZIUHHBKFKCYYJD-UHFFFAOYSA-N n,n'-methylenebisacrylamide Chemical compound C=CC(=O)NCNC(=O)C=C ZIUHHBKFKCYYJD-UHFFFAOYSA-N 0.000 description 6
- NIXOWILDQLNWCW-UHFFFAOYSA-N 2-Propenoic acid Natural products OC(=O)C=C NIXOWILDQLNWCW-UHFFFAOYSA-N 0.000 description 5
- 229920001131 Pulp (paper) Polymers 0.000 description 5
- NJSSICCENMLTKO-HRCBOCMUSA-N [(1r,2s,4r,5r)-3-hydroxy-4-(4-methylphenyl)sulfonyloxy-6,8-dioxabicyclo[3.2.1]octan-2-yl] 4-methylbenzenesulfonate Chemical compound C1=CC(C)=CC=C1S(=O)(=O)O[C@H]1C(O)[C@@H](OS(=O)(=O)C=2C=CC(C)=CC=2)[C@@H]2OC[C@H]1O2 NJSSICCENMLTKO-HRCBOCMUSA-N 0.000 description 5
- 239000006085 branching agent Substances 0.000 description 5
- 229920006317 cationic polymer Polymers 0.000 description 5
- 239000000701 coagulant Substances 0.000 description 5
- -1 fines Substances 0.000 description 5
- 239000000203 mixture Substances 0.000 description 5
- 229920002401 polyacrylamide Polymers 0.000 description 5
- 239000000243 solution Substances 0.000 description 5
- 239000003643 water by type Substances 0.000 description 5
- 235000008331 Pinus X rigitaeda Nutrition 0.000 description 4
- 235000011613 Pinus brutia Nutrition 0.000 description 4
- 241000018646 Pinus brutia Species 0.000 description 4
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical class O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 4
- 239000011111 cardboard Substances 0.000 description 4
- LEQAOMBKQFMDFZ-UHFFFAOYSA-N glyoxal Chemical compound O=CC=O LEQAOMBKQFMDFZ-UHFFFAOYSA-N 0.000 description 4
- 239000011121 hardwood Substances 0.000 description 4
- 238000002360 preparation method Methods 0.000 description 4
- 239000011122 softwood Substances 0.000 description 4
- 238000003756 stirring Methods 0.000 description 4
- 238000012549 training Methods 0.000 description 4
- SMZOUWXMTYCWNB-UHFFFAOYSA-N 2-(2-methoxy-5-methylphenyl)ethanamine Chemical compound COC1=CC=C(C)C=C1CCN SMZOUWXMTYCWNB-UHFFFAOYSA-N 0.000 description 3
- KFZMGEQAYNKOFK-UHFFFAOYSA-N Isopropanol Chemical compound CC(C)O KFZMGEQAYNKOFK-UHFFFAOYSA-N 0.000 description 3
- 229920002472 Starch Polymers 0.000 description 3
- 239000000654 additive Substances 0.000 description 3
- 150000001412 amines Chemical group 0.000 description 3
- 239000002956 ash Substances 0.000 description 3
- 230000008901 benefit Effects 0.000 description 3
- 238000011161 development Methods 0.000 description 3
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- 238000010790 dilution Methods 0.000 description 3
- 239000012895 dilution Substances 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 239000000839 emulsion Substances 0.000 description 3
- 238000011156 evaluation Methods 0.000 description 3
- 239000000945 filler Substances 0.000 description 3
- 230000000670 limiting effect Effects 0.000 description 3
- 239000000843 powder Substances 0.000 description 3
- 150000003839 salts Chemical class 0.000 description 3
- 239000008107 starch Substances 0.000 description 3
- 235000019698 starch Nutrition 0.000 description 3
- 238000010557 suspension polymerization reaction Methods 0.000 description 3
- 229920003169 water-soluble polymer Polymers 0.000 description 3
- XHZPRMZZQOIPDS-UHFFFAOYSA-N 2-Methyl-2-[(1-oxo-2-propenyl)amino]-1-propanesulfonic acid Chemical compound OS(=O)(=O)CC(C)(C)NC(=O)C=C XHZPRMZZQOIPDS-UHFFFAOYSA-N 0.000 description 2
- NBTXFNJPFOORGI-UHFFFAOYSA-N 2-ethenoxyethyl prop-2-enoate Chemical compound C=COCCOC(=O)C=C NBTXFNJPFOORGI-UHFFFAOYSA-N 0.000 description 2
- KUDUQBURMYMBIJ-UHFFFAOYSA-N 2-prop-2-enoyloxyethyl prop-2-enoate Chemical compound C=CC(=O)OCCOC(=O)C=C KUDUQBURMYMBIJ-UHFFFAOYSA-N 0.000 description 2
- 235000002918 Fraxinus excelsior Nutrition 0.000 description 2
- CERQOIWHTDAKMF-UHFFFAOYSA-M Methacrylate Chemical compound CC(=C)C([O-])=O CERQOIWHTDAKMF-UHFFFAOYSA-M 0.000 description 2
- CERQOIWHTDAKMF-UHFFFAOYSA-N Methacrylic acid Chemical compound CC(=C)C(O)=O CERQOIWHTDAKMF-UHFFFAOYSA-N 0.000 description 2
- 239000002202 Polyethylene glycol Substances 0.000 description 2
- 239000005708 Sodium hypochlorite Substances 0.000 description 2
- 239000002253 acid Substances 0.000 description 2
- 229920006322 acrylamide copolymer Polymers 0.000 description 2
- 150000003926 acrylamides Chemical class 0.000 description 2
- 239000004480 active ingredient Substances 0.000 description 2
- 238000013019 agitation Methods 0.000 description 2
- 239000003513 alkali Substances 0.000 description 2
- 125000005250 alkyl acrylate group Chemical group 0.000 description 2
- 125000000746 allylic group Chemical group 0.000 description 2
- 150000001408 amides Chemical class 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 2
- 229920003118 cationic copolymer Polymers 0.000 description 2
- WJMQFZCWOFLFCI-UHFFFAOYSA-N cyanomethyl prop-2-enoate Chemical compound C=CC(=O)OCC#N WJMQFZCWOFLFCI-UHFFFAOYSA-N 0.000 description 2
- 230000006378 damage Effects 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- GYZLOYUZLJXAJU-UHFFFAOYSA-N diglycidyl ether Chemical class C1OC1COCC1CO1 GYZLOYUZLJXAJU-UHFFFAOYSA-N 0.000 description 2
- 238000001035 drying Methods 0.000 description 2
- 238000007720 emulsion polymerization reaction Methods 0.000 description 2
- STVZJERGLQHEKB-UHFFFAOYSA-N ethylene glycol dimethacrylate Chemical compound CC(=C)C(=O)OCCOC(=O)C(C)=C STVZJERGLQHEKB-UHFFFAOYSA-N 0.000 description 2
- 238000001914 filtration Methods 0.000 description 2
- 239000008394 flocculating agent Substances 0.000 description 2
- 238000010528 free radical solution polymerization reaction Methods 0.000 description 2
- 229940015043 glyoxal Drugs 0.000 description 2
- 229920006158 high molecular weight polymer Polymers 0.000 description 2
- 125000001165 hydrophobic group Chemical group 0.000 description 2
- 230000006872 improvement Effects 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- WSFSSNUMVMOOMR-NJFSPNSNSA-N methanone Chemical compound O=[14CH2] WSFSSNUMVMOOMR-NJFSPNSNSA-N 0.000 description 2
- 238000002156 mixing Methods 0.000 description 2
- CHDKQNHKDMEASZ-UHFFFAOYSA-N n-prop-2-enoylprop-2-enamide Chemical compound C=CC(=O)NC(=O)C=C CHDKQNHKDMEASZ-UHFFFAOYSA-N 0.000 description 2
- 229920000768 polyamine Polymers 0.000 description 2
- 229920001223 polyethylene glycol Polymers 0.000 description 2
- 238000012673 precipitation polymerization Methods 0.000 description 2
- 238000011084 recovery Methods 0.000 description 2
- 230000009467 reduction Effects 0.000 description 2
- SUKJFIGYRHOWBL-UHFFFAOYSA-N sodium hypochlorite Chemical compound [Na+].Cl[O-] SUKJFIGYRHOWBL-UHFFFAOYSA-N 0.000 description 2
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- 125000000391 vinyl group Chemical group [H]C([*])=C([H])[H] 0.000 description 2
- 229920002554 vinyl polymer Polymers 0.000 description 2
- NLVXSWCKKBEXTG-UHFFFAOYSA-N vinylsulfonic acid Chemical compound OS(=O)(=O)C=C NLVXSWCKKBEXTG-UHFFFAOYSA-N 0.000 description 2
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- DOGQRRGVLIGIEG-UHFFFAOYSA-N 1-(prop-2-enoylamino)butane-2-sulfonic acid Chemical compound CCC(S(O)(=O)=O)CNC(=O)C=C DOGQRRGVLIGIEG-UHFFFAOYSA-N 0.000 description 1
- JAHNSTQSQJOJLO-UHFFFAOYSA-N 2-(3-fluorophenyl)-1h-imidazole Chemical compound FC1=CC=CC(C=2NC=CN=2)=C1 JAHNSTQSQJOJLO-UHFFFAOYSA-N 0.000 description 1
- CUGZWHZWSVUSBE-UHFFFAOYSA-N 2-(oxiran-2-ylmethoxy)ethanol Chemical compound OCCOCC1CO1 CUGZWHZWSVUSBE-UHFFFAOYSA-N 0.000 description 1
- XEEYSDHEOQHCDA-UHFFFAOYSA-N 2-methylprop-2-ene-1-sulfonic acid Chemical compound CC(=C)CS(O)(=O)=O XEEYSDHEOQHCDA-UHFFFAOYSA-N 0.000 description 1
- KWSLGOVYXMQPPX-UHFFFAOYSA-N 5-[3-(trifluoromethyl)phenyl]-2h-tetrazole Chemical compound FC(F)(F)C1=CC=CC(C2=NNN=N2)=C1 KWSLGOVYXMQPPX-UHFFFAOYSA-N 0.000 description 1
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- OGIDPMRJRNCKJF-UHFFFAOYSA-N titanium oxide Inorganic materials [Ti]=O OGIDPMRJRNCKJF-UHFFFAOYSA-N 0.000 description 1
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- OEIXGLMQZVLOQX-UHFFFAOYSA-N trimethyl-[3-(prop-2-enoylamino)propyl]azanium;chloride Chemical compound [Cl-].C[N+](C)(C)CCCNC(=O)C=C OEIXGLMQZVLOQX-UHFFFAOYSA-N 0.000 description 1
- 238000011144 upstream manufacturing Methods 0.000 description 1
- ZTWTYVWXUKTLCP-UHFFFAOYSA-N vinylphosphonic acid Chemical compound OP(O)(=O)C=C ZTWTYVWXUKTLCP-UHFFFAOYSA-N 0.000 description 1
- DGVVWUTYPXICAM-UHFFFAOYSA-N β‐Mercaptoethanol Chemical compound OCCS DGVVWUTYPXICAM-UHFFFAOYSA-N 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
- 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
- D21H17/37—Polymers of unsaturated acids or derivatives thereof, e.g. polyacrylates
-
- 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
- D21H17/71—Mixtures of material ; Pulp or paper comprising several different materials not incorporated by special processes
- D21H17/72—Mixtures of material ; Pulp or paper comprising several different materials not incorporated by special processes of organic material
-
- 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
- D21H17/37—Polymers of unsaturated acids or derivatives thereof, e.g. polyacrylates
- D21H17/375—Poly(meth)acrylamide
-
- 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
-
- 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
- D21H17/42—Synthetic macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds containing ionic groups anionic
-
- 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
-
- 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
- D21H21/06—Paper forming aids
- D21H21/10—Retention agents or drainage improvers
Definitions
- the invention relates to a process for the production of paper and paperboard having improved retention and drainage properties. More specifically, the subject of the invention is a manufacturing process employing at least two retention and dewatering agents, respectively a main agent and a secondary agent. It also relates to paper or paperboard obtained by this method.
- retention systems is well known in papermaking processes. Their function is to improve the retention (ie the amount of fillers in the paper) and the drainage (ie the water drainage rate) during the manufacture of the leaf.
- EP 1 328 161 discloses a system for improving retention and dewatering in the manufacture of paper or board using three retention agents.
- the first is a cationic flocculant of IV intrinsic viscosity greater than 4 dl / g
- the second is a siliceous material
- the third a water-soluble anionic polymer of IV greater than or equal to 4 dl / g.
- Hofmann degradation on a (co) polymer base is a known reaction to change from an amide to a primary amine having one carbon atom less.
- Hofmann degradation products are well known for their use as a dry strength agent.
- the molecular weight of the degradation product is of the order of less than 1 million g / mol, and therefore much less than the molecular weight of the cationic polymers used as dripping and retention agent (greater than 2 million g / mol ).
- As a toughener in papermaking processes they are associated with low molecular weight anionic resins.
- Such a system is for example that described in the document WO2006 / 075115 of the Applicant.
- the application WO2009 / 013423 differs from the previous ones in that the polymer obtained at the end of the Hofmann degradation reaction is branched after said reaction.
- the IV of the anionic resin used is at most 1.6 dl / g.
- retention properties is meant the ability to retain the suspended matter of the paper pulp (fibers, fines, fillers (calcium carbonate, titanium oxide), ...) on the training fabric, therefore in the mattress fibrous which will constitute the final leaf.
- the mode of action of the retention agents is based on flocculation of these suspended solids in water. Indeed, the formed flocs are more easily retained on the training web.
- drainage it is the ability of the fibrous mattress to evacuate or drain the maximum amount of water so that the sheet dries as quickly as possible.
- retention and drainage being intimately linked, one dependent on the other, it is then a question of finding the best compromise between the retention and the dripping.
- those skilled in the art refer to a retention agent and dewatering agent because it is the same types of products that make it possible to improve these two properties.
- polymers of high molecular weight at least 1 million g / mol
- weakly cationic These polymers are generally introduced at a level of 50 to 800 g / t of dry polymer relative to the dry paper.
- the points of introduction of these agents into the papermaking process are generally located in the short circuit, that is to say after the mixing pump (or Fan Pump), and therefore in diluted paste (or Thin Stock) whose concentration is very generally less than 1% by weight of dry matter, most often between 0.1 and 0.7%.
- dry strength is the ability of the sheet to withstand mechanical stresses and degradations such as puncture, tearing, pulling, delamination and various forms of compression. These are the final properties of the sheet.
- the dry strength resins are generally polymers of average molecular weight (between 10,000 and 1.000000 g / mol), and the usual dosages applied are of the order of 1.5 to 2 kg / t (dry polymer relative to the paper dry), that is to say 5 to 10 times higher than the dosages applied to the retention and dewatering, even if a wide range of between 100 and 20,000 g / t is disclosed in the application WO2009 / 013423 .
- these dry strength resins in particular for the cationic polymer, are generally located in thick paste, otherwise called Thick Stock, whose dry matter concentration is generally greater than 1% and most often greater than 2%, so before the mixing pump (or Fan Pump) and therefore the dilution with white water.
- Thick Stock whose dry matter concentration is generally greater than 1% and most often greater than 2%, so before the mixing pump (or Fan Pump) and therefore the dilution with white water.
- the Applicant furthermore specifies that the examples of the application WO2009 / 13423 mention paste concentrations of the order of 0.3 to 0.5%>, which corresponds to the values required to perform the standard laboratory tests, but which do not correspond to the pulp concentrations in industrial processes in which these dry strength agents are used, and which are generally greater than 2% dry matter.
- Dry-strength polymers bind to the fibers by hydrogen and / or ionic bonding to, once the sheet is dried, improve the strength of the paper.
- the dosage of each of the two polymers is reported from 1500 to 2000 g / t at 100 to 800 g / t for the cationic polymer and from 50 to 800 g / t for the anionic polymer,
- the invention thus has the advantage of using a cationic polymer of low molecular weight without the need for shearing steps that are difficult to control and without heavy equipment for implementation (simple dilution in line or tangential instead of a complex unit). preparation) to improve retention and drainage.
- the subject of the invention is a method of manufacturing a sheet of paper and / or cardboard having improved retention and drainage properties, according to which, before forming said sheet and / or carton, one or more injection points are added to the fibrous suspension, at least two retention agents respectively:
- the main retention agent is introduced into the fibrous suspension at a rate of 100 to 800 g / t of dry pulp
- the secondary retention agent is introduced into the fibrous suspension at a rate of 50 to 800 g / t of dry pulp and has an intrinsic viscosity IV greater than 3 dl / g.
- the main retention agent is introduced into the fibrous suspension at a rate of 200 to 500 g / t of dry pulp.
- the use of low molecular weight product makes it possible to put the retention system in place, possibly, without intermediate shear, or even after the last shear point (centriscreen), which has the consequence of limiting the dosages of each ingredient while maintaining a high level of performance.
- the introduction of the retention agents is separated, if necessary, by a shearing step.
- This system with at least two components can be used successfully for the manufacture of paper and cardboard packaging, paper coating media, any type of paper, cardboard or the like requiring improved retention and drainage properties, with increased formation, at main retention agent dosages ranging from 100 to 800 g / t dry pulp, which is impossible for conventional high molecular weight cationic polyacrylamide retention agents.
- the cationic flocculant conventionally used could be substituted with a cationic (co) polymer obtained by reaction. Hofmann degradation on an acrylamide (co) polymer, when used in combination with a high molecular weight water soluble or hydrogenation anionic polymer.
- the process of the invention uses at least one main retention agent which is a (co) polymer obtained by Hofmann degradation reaction on an acrylamide (co) polymer (and / or methacrylamide), and / or or N, N dimethylacrylamide, said (co) polymer being characterized in that:
- the polymer is in the form of an aqueous solution
- its molecular weight is less than 1 million g / mol, preferably less than 500,000 g / mol, more preferably less than 100,000 g / mol; its cationicity is greater than 2 meq / g, preferentially greater than
- the method of the invention implements at least one second retention agent which is a water-soluble or hydrogen-floating polymer with anionic charge density greater than 0.1 meq / g, characterized in that:
- IV means the intrinsic viscosity expressed in dl / g.
- main retention agent a very low molecular weight compound based on acrylamide, particularly unsuitable for flocculating the fibers, especially when the process is carried out in closed circuits, when it uses recycled fibers and when it is driven at increased paper machine speeds.
- One of the merits of the invention is to have developed a papermaking process which uses as main retention agent an aqueous solution that does not require a constraining step of preparation.
- the cationic (co) polymer of the invention can easily be introduced into the system with a simple tangential or in-line dilution permitting its instantaneous incorporation into the wet part of the machine.
- a tertiary retention agent may also be added, either between the two agents mentioned above, or after the secondary agent.
- They are derivatives of silica, for example silica particles, including bentonites, montmorillonites or derivatives of aluminosilicate or borosilicate type, zeolites, kaolinites, or colloidal silicas modified or not.
- additives which are capable of reacting with the isocyanate functions of the polymer generated during degradation.
- these are molecules bearing nucleophilic chemical functions such as hydroxyl or amine functions.
- the additives in question can therefore be of the family: alcohols, polyols (eg: starch), polyamines, polyethylene imines ...
- the Hoimann reaction requires the conversion of amide functions to amine function by involving two main factors (expressed in molar ratios):
- Beta (alkaline and / or alkaline-earth hydroxide / alkaline and / or alkaline-earth hypochlorite)
- the molar amount of total (meth) acrylamide function is determined.
- the desired level of Alpha degradation (which corresponds to the desired degree of amine function) is then chosen, which makes it possible to determine the dry quantity of alkaline and / or alkaline earth metal halide and then the beta coefficient, which allows determine the dry quantity of alkali and / or alkaline earth hydroxide.
- a solution of hypohalide and alkali and / or alkaline-earth hydroxide is then prepared from the alpha and beta ratios.
- the reagents preferably used are sodium hypochlorite (bleach) and sodium hydroxide (sodium hydroxide).
- the Hofmann degradation product is obtained by reaction of an alkaline earth hydroxide and an alkaline earth hypohalide with a hydroxide / hypohalide molar ratio of between 2 and 6, preferably between 2 and 6. and 5.
- the Hofmann degradation product is produced at a concentration greater than 4% by weight, preferably greater than 7%, advantageously greater than 8% and advantageously has a viscosity of greater than 30 cps (at a concentration of 9%, at 25 ° C., Brookfield LV1, 60 rpm), preferably greater than 40 cps.
- the amount of the main retention agent introduced into the suspension is between 100 and 800 grams of active polymer per tonne of dry pulp (g / t).
- the amount of main retention agent introduced is between 200 g / t and 500 g / t.
- the injection or the introduction of the main retention agent according to the invention is carried out before a possible shearing step, in the pulp more or less diluted according to the practice of the person skilled in the art, and generally in the diluted paper stock or thin stock.
- the injection of the main retention agent is advantageously carried out in the diluted pulp with a concentration of at most 2%.
- the polymer used consists of:
- a / at least one anionic monomer having a carboxylic function eg acrylic acid, methacrylic acid, and their salts ...), or having a sulphonic acid function (eg 2-acrylamido-2-methylpropanesulphonic acid (AMPS), vinyl sulfonic acid, methallyl sulfonic acid and their salts ...), or having phosphonic functions (eg vinyl phosphonic acid),
- a carboxylic function eg acrylic acid, methacrylic acid, and their salts
- a sulphonic acid function eg 2-acrylamido-2-methylpropanesulphonic acid (AMPS), vinyl sulfonic acid, methallyl sulfonic acid and their salts
- phosphonic functions eg vinyl phosphonic acid
- nonionic monomers chosen for example from the following list: acrylamide, methacrylamide, N, N-dimethylacrylamide, N-vinylpyrrolidone, N-vinylacetamide, N-vinylformamide, vinylacetate, acrylate esters, allyl alcohol,
- the water-soluble polymers used do not require development of a particular polymerization process. They can be obtained by any of the polymerization techniques well known to those skilled in the art (solution polymerization, suspension polymerization, gel polymerization, precipitation polymerization, emulsion polymerization (aqueous or reverse), microemulsion polymerization followed or not a step of spray drying, suspension polymerization, micellar polymerization followed or not by a precipitation step).
- the polymer may have a linear, branched, crosslinked structure or a star polymer (comb polymer) comb structure.
- the secondary retention agent is introduced into the suspension, very preferably in a proportion of 50 g / t to 800 g / t by weight of active polymer per tonne of dry pulp, preferably from 80 g / t to 500 g / t, and more preferably from 100 to 350 g / t.
- the retention system of the invention provides good performance particularly in total retention, retention of charges, drainage and clarification of white water without destroying the formation.
- the primary retention is ashes percentage (% FPAR: First Pass Ash Retention) being calculated according to the following formula:
- Procedure of the formation evaluation test A static fermenter is used in order to manufacture sheets with a treated pulp, or not, previously with the various retention systems chosen, then this sheet is pressed and dried.
- the gains observed are between 2 and 7 points with regard to the total retention and between 0.5 and 8 points for the retention of charges. This increase in retention will allow the paper manufacturer to obtain papers with higher load rates, and this with a shorter circuit less loaded which ensures less fouling of the machine and therefore a lower frequency of breakages and machine downtime.
- the gains observed in dewatering are of the order of 80 to 100 ml, which is therefore this gain being totally unexpected for those skilled in the art, for a use of product of very low molecular weight compared to a retention agent conventionally used (P0).
- the paper manufacturer will be able to use these products with a real interest in terms of ease and cost of implementation.
- the main retention agent being in liquid form, and thus not requiring a specific preparation unit as is necessary for conventional high molecular weight cationic polyacrylamide retention agents in the form of powder or emulsion. B-Effect of dosage of the main retention agent
- the primary retention agents of the invention being of low molecular weight, allow their use at such dosages without destruction of the formation of the sheet, thus allowing to obtain levels of retention and dewatering still never achieved by primary retention agents conventionally used.
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- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Paper (AREA)
Abstract
Description
Claims
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR1056367A FR2963364B1 (en) | 2010-08-02 | 2010-08-02 | METHOD FOR MANUFACTURING PAPER AND CARDBOARD HAVING IMPROVED RETENTION AND DRIPPING PROPERTIES |
PCT/FR2011/051801 WO2012017172A1 (en) | 2010-08-02 | 2011-07-26 | Process for manufacturing paper and board having improved retention and drainage properties |
Publications (2)
Publication Number | Publication Date |
---|---|
EP2601346A1 true EP2601346A1 (en) | 2013-06-12 |
EP2601346B1 EP2601346B1 (en) | 2015-09-09 |
Family
ID=43304671
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP11752300.1A Active EP2601346B1 (en) | 2010-08-02 | 2011-07-26 | Manufacturing process of paper or cardboard having improved retention and draining properties |
Country Status (9)
Country | Link |
---|---|
US (1) | US8999112B2 (en) |
EP (1) | EP2601346B1 (en) |
KR (1) | KR101904358B1 (en) |
CN (1) | CN103003491B (en) |
BR (1) | BR112013002371B1 (en) |
CA (1) | CA2807010C (en) |
ES (1) | ES2549432T3 (en) |
FR (1) | FR2963364B1 (en) |
WO (1) | WO2012017172A1 (en) |
Families Citing this family (13)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP2865807A4 (en) * | 2012-06-25 | 2016-02-17 | Katayama Chemical Works Co | Process for manufacturing paperboard |
FR2992981B1 (en) * | 2012-07-09 | 2014-07-04 | Snf Sas | IMPROVED PAPER MANUFACTURING METHOD USING POLYMER OBTAINED BY HOFMANN DEGRADATION |
US9051687B2 (en) * | 2012-08-22 | 2015-06-09 | Basf Se | Production of paper, card and board |
FR3009830B1 (en) | 2013-08-22 | 2015-08-14 | Snf Sas | NOVEL WATER-SOLUBLE POLYMER COMPLEXES AND USES THEREOF |
CN105107484B (en) * | 2015-09-18 | 2017-10-03 | 内江师范学院 | A kind of preparation method of industrial gelatine base retention and drainage aid agent |
JP2018044273A (en) * | 2016-09-16 | 2018-03-22 | 栗田工業株式会社 | Manufacturing method of paper, manufacturing device of additive for making paper and manufacturing device of paper |
AU2019209164B2 (en) * | 2018-01-16 | 2022-12-08 | Solenis Technologies, L.P. | Process for making paper with improved filler retention and opacity while maintaining wet tensile strength |
CN109667193A (en) * | 2019-01-28 | 2019-04-23 | 常州麒通国际贸易有限公司 | A kind of preparation method of composite papermaking retention agent |
CN111139683A (en) * | 2020-01-03 | 2020-05-12 | 王丹丹 | Preparation method of high-adsorption porous retention aid for papermaking |
FR3113069B1 (en) * | 2020-07-30 | 2022-10-14 | Snf Sa | PAPER AND CARDBOARD MANUFACTURING PROCESS |
FR3118072B1 (en) * | 2020-12-22 | 2022-12-09 | Snf Sa | METHOD FOR MANUFACTURING PAPER OR CARDBOARD |
FR3127507B1 (en) * | 2021-09-27 | 2023-10-27 | Snf Sa | PROCESS FOR MANUFACTURING PAPER AND CARDBOARD |
CN114351494A (en) * | 2021-12-17 | 2022-04-15 | 杨介思 | Paper made buffer package |
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US3052595A (en) | 1955-05-11 | 1962-09-04 | Dow Chemical Co | Method for increasing filler retention in paper |
SE432951B (en) | 1980-05-28 | 1984-04-30 | Eka Ab | PAPER PRODUCT CONTAINING CELLULOSA FIBERS AND A BINDING SYSTEM CONTAINING COLOIDAL MILIC ACID AND COTIONIC STARCH AND PROCEDURE FOR PREPARING THE PAPER PRODUCT |
GB8602121D0 (en) | 1986-01-29 | 1986-03-05 | Allied Colloids Ltd | Paper & paper board |
US5167766A (en) * | 1990-06-18 | 1992-12-01 | American Cyanamid Company | Charged organic polymer microbeads in paper making process |
GB9301451D0 (en) * | 1993-01-26 | 1993-03-17 | Allied Colloids Ltd | Production of filled paper |
US5286806C1 (en) * | 1993-05-14 | 2001-01-30 | Cytec Tech Corp | Methods of making and using high molecular weight acrylamide polymers |
CN1155269A (en) * | 1994-08-12 | 1997-07-23 | 矿业技术有限公司 | Synthetic mineral microparticles for retention aid system |
US5708071A (en) * | 1994-12-15 | 1998-01-13 | Hymo Corporation | Aqueous dispersion of an amphoteric water-soluble polymer, a method of manufacturing the same, and a treating agent comprising the same |
CN1204301A (en) * | 1995-11-08 | 1999-01-06 | 矿业技术有限公司 | Synthetic mineral microparticles and retention aid and water treatment system and method using such particles |
US6103065A (en) * | 1999-03-30 | 2000-08-15 | Basf Corporation | Method for reducing the polymer and bentonite requirement in papermaking |
GB0011675D0 (en) | 2000-05-15 | 2000-07-05 | Unilever Plc | Ambient stable beverage |
EP1451234B1 (en) | 2001-12-07 | 2006-07-26 | Hercules Incorporated | Composition comprising cellulose fiber and a water-soluble anionic copolymer as well as method of making said composition |
FR2869626A3 (en) * | 2004-04-29 | 2005-11-04 | Snf Sas Soc Par Actions Simpli | METHOD FOR MANUFACTURING PAPER AND CARDBOARD, NEW CORRESPONDING RETENTION AND DRAINING AGENTS, AND PAPERS AND CARTONS THUS OBTAINED |
US20060142431A1 (en) * | 2004-12-29 | 2006-06-29 | Sutman Frank J | Retention and drainage in the manufacture of paper |
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2010
- 2010-08-02 FR FR1056367A patent/FR2963364B1/en not_active Expired - Fee Related
-
2011
- 2011-07-26 BR BR112013002371-6A patent/BR112013002371B1/en not_active IP Right Cessation
- 2011-07-26 CN CN201180035561.XA patent/CN103003491B/en active Active
- 2011-07-26 EP EP11752300.1A patent/EP2601346B1/en active Active
- 2011-07-26 KR KR1020137002328A patent/KR101904358B1/en active IP Right Grant
- 2011-07-26 ES ES11752300.1T patent/ES2549432T3/en active Active
- 2011-07-26 CA CA2807010A patent/CA2807010C/en active Active
- 2011-07-26 WO PCT/FR2011/051801 patent/WO2012017172A1/en active Application Filing
-
2013
- 2013-01-30 US US13/753,631 patent/US8999112B2/en active Active
Non-Patent Citations (1)
Title |
---|
See references of WO2012017172A1 * |
Also Published As
Publication number | Publication date |
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US8999112B2 (en) | 2015-04-07 |
CN103003491A (en) | 2013-03-27 |
CA2807010A1 (en) | 2012-02-09 |
KR20130096700A (en) | 2013-08-30 |
KR101904358B1 (en) | 2018-10-05 |
BR112013002371A2 (en) | 2016-05-24 |
EP2601346B1 (en) | 2015-09-09 |
FR2963364B1 (en) | 2014-12-26 |
ES2549432T3 (en) | 2015-10-28 |
FR2963364A1 (en) | 2012-02-03 |
BR112013002371B1 (en) | 2020-11-10 |
CA2807010C (en) | 2017-11-07 |
US20130139986A1 (en) | 2013-06-06 |
CN103003491B (en) | 2015-10-07 |
WO2012017172A1 (en) | 2012-02-09 |
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