EP1853762A1 - Hydroxyalkylcellulose utilisee en tant qu additif dans des revetements pigmentes pour presse encolleuse doseuse - Google Patents
Hydroxyalkylcellulose utilisee en tant qu additif dans des revetements pigmentes pour presse encolleuse doseuseInfo
- Publication number
- EP1853762A1 EP1853762A1 EP05724378A EP05724378A EP1853762A1 EP 1853762 A1 EP1853762 A1 EP 1853762A1 EP 05724378 A EP05724378 A EP 05724378A EP 05724378 A EP05724378 A EP 05724378A EP 1853762 A1 EP1853762 A1 EP 1853762A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- pigmented
- hac
- coating
- ahac
- carbons
- 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 53
- 229920013821 hydroxy alkyl cellulose Polymers 0.000 title claims abstract description 25
- 239000000654 additive Substances 0.000 title description 5
- 230000000996 additive effect Effects 0.000 title description 2
- 239000011248 coating agent Substances 0.000 claims abstract description 41
- 239000000049 pigment Substances 0.000 claims abstract description 13
- 239000008199 coating composition Substances 0.000 claims abstract description 12
- 125000000217 alkyl group Chemical group 0.000 claims abstract description 9
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 7
- 238000000034 method Methods 0.000 claims description 23
- 239000004354 Hydroxyethyl cellulose Substances 0.000 claims description 19
- 229920000663 Hydroxyethyl cellulose Polymers 0.000 claims description 19
- 235000019447 hydroxyethyl cellulose Nutrition 0.000 claims description 19
- VTYYLEPIZMXCLO-UHFFFAOYSA-L Calcium carbonate Chemical compound [Ca+2].[O-]C([O-])=O VTYYLEPIZMXCLO-UHFFFAOYSA-L 0.000 claims description 8
- 239000011230 binding agent Substances 0.000 claims description 8
- 239000007787 solid Substances 0.000 claims description 7
- 229920000896 Ethulose Polymers 0.000 claims description 6
- 239000001859 Ethyl hydroxyethyl cellulose Substances 0.000 claims description 6
- 229920001479 Hydroxyethyl methyl cellulose Polymers 0.000 claims description 6
- 235000019326 ethyl hydroxyethyl cellulose Nutrition 0.000 claims description 6
- 239000004816 latex Substances 0.000 claims description 6
- 229920000126 latex Polymers 0.000 claims description 6
- 229920002472 Starch Polymers 0.000 claims description 5
- 235000019698 starch Nutrition 0.000 claims description 5
- 239000008107 starch Substances 0.000 claims description 5
- 239000005995 Aluminium silicate Substances 0.000 claims description 4
- 235000012211 aluminium silicate Nutrition 0.000 claims description 4
- 229910000019 calcium carbonate Inorganic materials 0.000 claims description 4
- 239000004927 clay Substances 0.000 claims description 4
- NLYAJNPCOHFWQQ-UHFFFAOYSA-N kaolin Chemical compound O.O.O=[Al]O[Si](=O)O[Si](=O)O[Al]=O NLYAJNPCOHFWQQ-UHFFFAOYSA-N 0.000 claims description 4
- PPBRXRYQALVLMV-UHFFFAOYSA-N Styrene Natural products C=CC1=CC=CC=C1 PPBRXRYQALVLMV-UHFFFAOYSA-N 0.000 claims description 3
- 238000004519 manufacturing process Methods 0.000 claims description 3
- 125000003011 styrenyl group Chemical group [H]\C(*)=C(/[H])C1=C([H])C([H])=C([H])C([H])=C1[H] 0.000 claims 1
- 229940071826 hydroxyethyl cellulose Drugs 0.000 description 16
- 239000006254 rheological additive Substances 0.000 description 16
- 239000001768 carboxy methyl cellulose Substances 0.000 description 9
- 229920002134 Carboxymethyl cellulose Polymers 0.000 description 8
- 238000012360 testing method Methods 0.000 description 8
- 235000010948 carboxy methyl cellulose Nutrition 0.000 description 7
- 239000008112 carboxymethyl-cellulose Substances 0.000 description 7
- 241000143957 Vanessa atalanta Species 0.000 description 5
- 239000000203 mixture Substances 0.000 description 5
- NHDHVHZZCFYRSB-UHFFFAOYSA-N pyriproxyfen Chemical compound C=1C=CC=NC=1OC(C)COC(C=C1)=CC=C1OC1=CC=CC=C1 NHDHVHZZCFYRSB-UHFFFAOYSA-N 0.000 description 5
- 230000000694 effects Effects 0.000 description 4
- 239000011247 coating layer Substances 0.000 description 3
- 239000000758 substrate Substances 0.000 description 3
- 239000000725 suspension Substances 0.000 description 3
- 238000012546 transfer Methods 0.000 description 3
- 239000002174 Styrene-butadiene Substances 0.000 description 2
- 238000010521 absorption reaction Methods 0.000 description 2
- DPXJVFZANSGRMM-UHFFFAOYSA-N acetic acid;2,3,4,5,6-pentahydroxyhexanal;sodium Chemical compound [Na].CC(O)=O.OCC(O)C(O)C(O)C(O)C=O DPXJVFZANSGRMM-UHFFFAOYSA-N 0.000 description 2
- 239000000443 aerosol Substances 0.000 description 2
- CJZGTCYPCWQAJB-UHFFFAOYSA-L calcium stearate Chemical compound [Ca+2].CCCCCCCCCCCCCCCCCC([O-])=O.CCCCCCCCCCCCCCCCCC([O-])=O CJZGTCYPCWQAJB-UHFFFAOYSA-L 0.000 description 2
- 229920002678 cellulose Polymers 0.000 description 2
- 239000001913 cellulose Substances 0.000 description 2
- 239000000835 fiber Substances 0.000 description 2
- -1 hydroxyethyl functionality Chemical group 0.000 description 2
- 239000010410 layer Substances 0.000 description 2
- 239000003595 mist Substances 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000003287 optical effect Effects 0.000 description 2
- 229920000642 polymer Polymers 0.000 description 2
- 235000019812 sodium carboxymethyl cellulose Nutrition 0.000 description 2
- 229920001027 sodium carboxymethylcellulose Polymers 0.000 description 2
- 229920003048 styrene butadiene rubber Polymers 0.000 description 2
- 230000008719 thickening Effects 0.000 description 2
- 239000002562 thickening agent Substances 0.000 description 2
- 229920003169 water-soluble polymer Polymers 0.000 description 2
- IXPNQXFRVYWDDI-UHFFFAOYSA-N 1-methyl-2,4-dioxo-1,3-diazinane-5-carboximidamide Chemical compound CN1CC(C(N)=N)C(=O)NC1=O IXPNQXFRVYWDDI-UHFFFAOYSA-N 0.000 description 1
- YGUMVDWOQQJBGA-VAWYXSNFSA-N 5-[(4-anilino-6-morpholin-4-yl-1,3,5-triazin-2-yl)amino]-2-[(e)-2-[4-[(4-anilino-6-morpholin-4-yl-1,3,5-triazin-2-yl)amino]-2-sulfophenyl]ethenyl]benzenesulfonic acid Chemical compound C=1C=C(\C=C\C=2C(=CC(NC=3N=C(N=C(NC=4C=CC=CC=4)N=3)N3CCOCC3)=CC=2)S(O)(=O)=O)C(S(=O)(=O)O)=CC=1NC(N=C(N=1)N2CCOCC2)=NC=1NC1=CC=CC=C1 YGUMVDWOQQJBGA-VAWYXSNFSA-N 0.000 description 1
- 229920002907 Guar gum Polymers 0.000 description 1
- 229920000881 Modified starch Polymers 0.000 description 1
- 230000002411 adverse Effects 0.000 description 1
- 239000007864 aqueous solution Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- MTAZNLWOLGHBHU-UHFFFAOYSA-N butadiene-styrene rubber Chemical compound C=CC=C.C=CC1=CC=CC=C1 MTAZNLWOLGHBHU-UHFFFAOYSA-N 0.000 description 1
- 125000000484 butyl group Chemical group [H]C([*])([H])C([H])([H])C([H])([H])C([H])([H])[H] 0.000 description 1
- 235000013539 calcium stearate Nutrition 0.000 description 1
- 239000008116 calcium stearate Substances 0.000 description 1
- 125000004432 carbon atom Chemical group C* 0.000 description 1
- 229920003086 cellulose ether Polymers 0.000 description 1
- 239000007795 chemical reaction product Substances 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 230000000779 depleting effect Effects 0.000 description 1
- 239000002270 dispersing agent Substances 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 238000009472 formulation Methods 0.000 description 1
- 239000000665 guar gum Substances 0.000 description 1
- 235000010417 guar gum Nutrition 0.000 description 1
- 229960002154 guar gum Drugs 0.000 description 1
- 238000010348 incorporation Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 125000002496 methyl group Chemical group [H]C([H])([H])* 0.000 description 1
- 235000019426 modified starch Nutrition 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 238000013031 physical testing Methods 0.000 description 1
- 238000011020 pilot scale process Methods 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 239000000661 sodium alginate Substances 0.000 description 1
- 235000010413 sodium alginate Nutrition 0.000 description 1
- 229940005550 sodium alginate Drugs 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
- 239000011115 styrene butadiene Substances 0.000 description 1
- 125000001424 substituent group Chemical group 0.000 description 1
- 238000010998 test method Methods 0.000 description 1
- 125000000391 vinyl group Chemical group [H]C([*])=C([H])[H] 0.000 description 1
- 229920002554 vinyl polymer Polymers 0.000 description 1
- 238000011179 visual inspection Methods 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
- 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
- D21H19/52—Cellulose; Derivatives thereof
-
- 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
- D21H23/00—Processes or apparatus for adding material to the pulp or to the paper
- D21H23/02—Processes or apparatus for adding material to the pulp or to the paper characterised by the manner in which substances are added
- D21H23/22—Addition to the formed paper
- D21H23/52—Addition to the formed paper by contacting paper with a device carrying the material
- D21H23/56—Rolls
Definitions
- the present invention relates to a process for preparing coated paper wherein the coating is applied by a roller or set of rollers as a film layer to a moving paper substrate. More specifically, this invention relates to the adding of a specific type of rheology modifier to a paper coating to enhance the film transfer process so as to effect improved coated paper properties.
- rheology modifiers it is desired in various industries to use rheology modifiers to achieve thickening, flow control, water retention and other properties in aqueous systems.
- a number of rheology modifiers are commercially available, such as sodium carboxymethylcellulose (CMC), guar gum, sodium alginate, hydroxyethylcellulose (HEC), alkali-soluble lattices, starch or starch derivatives, and the like.
- Paper coatings are typically composed of a pigment, such as kaolin clay and calcium carbonate, binders, such as starch and styrene butadiene latex, water, various specialty additives, and at least one of the above mentioned rheology modifiers
- CMC is established as one of the most prevalent rheology modifiers for traditional blade metered paper-coating application.
- a new method of applying aqueous pigment containing paper coatings onto the surface of paper has been devised that is known as "pigmented metering size press” or sometimes “film transfer coating”.
- a wet coating is first metered onto a roller that is typically composed of stainless steel or synthetic substrate.
- the wet coating film layer is then transferred by contact to a moving web of paper. Typically this operation is performed on both sides of the paper simultaneously.
- the present invention is directed to a process for preparing coated paper comprising a) adding a water-soluble hydroxyalkylcellulose (HAC) with an alkyl moiety of 1 to 4 carbons, or water soluble alkylhydroxyalkylcellulose (AHAC) with an alkyl hydrophobe of 1 to 24 carbons to a wet coating formulation in a n amount equal to or greater than 0.15 parts HAC or AHAC based on pigment content of the coating and b) applying the pigmented wet coating formulation to a moving paper web via roller metering (film transfer) size press, wherein the use of HAC or AHAC in the pigmented coating significantly reduce misting of the coating during application as compared to the control condition with no HAC or AHAC added.
- HAC water-soluble hydroxyalkylcellulose
- AHAC water soluble alkylhydroxyalkylcellulose
- HEC hydroxyalkylcellulose
- HEC hydroxyethylcellulose
- BHEC hydroxybutylcellulose
- AHAC alkylhydroxyalkylcellulose
- MHEC methylhydroxyethylcellulose
- EHEC ethylhydroxyethylcellulose
- HHEC hydrophobically modified hydroxyethylcellulose
- Figure 1 is metering size press misting panels with HEC thickened coating at various coater speeds
- Figure 2 is metering size press misting panels with CMC coating at various coater speeds.
- This invention has advantages in preventing the misting that has been traditionally observed in the prior art pigmented metering size press operations.
- the present invention has unexpectedly been found to produce a balance of additional performance properties, such as enhanced fiber coverage, opacity, and brightness that are significantly useful for the end product of the metering size press application.
- the cellulose ethers operable in the present invention include all water soluble nonionic derivatives of cellulose containing hydroxyethyl functionality and that express aqueous solution viscosities in excess of 100 centipoise at a concentration of 5% in water.
- the water-soluble polymer may also in addition to hydroxyethyl functionality also be derivatized with other substituents such as a methyl group, butyl group, or longer hydrophobes having up to 24 carbon atoms.
- any one of these types of water-soluble polymers are employed as a rheology modifier in a pigmented metering size press paper coatings they would be dosed into the coating at a level to attain a runnable coating viscosity typically of 100-4000 cps.
- the dosage of rheology modifier employed in practice is typically 0.2-0.8 parts of rheology modifier based upon 100 parts of pigment in the coating. It is reasonable to suggest that a range of 0.05 to 2 parts of the rheology modifier of the present invention could be effective for conveying desirable runnability features to pigmented metering size press coatings.
- a typical coating formulation would contain about 100 parts pigment, about 10 to about 18 parts binder (i.e., starch and/or latex), about 20 to about 60 % solids.
- binder i.e., starch and/or latex
- the solids content can be 50 to 60 %.
- the HAC or AHAC content in this composition is 0.2 to 0.8 part, which is included in the solids percentage.
- binder starch and latex (which can be styrene or vinyl based).
- the pigment in this composition are calcium carbonate and kaolin clay.
- Tinopal PT Optical brightener agent 0.5
- ADMIRAL® 3089 FS FPS gave one of the highest opacity, Tappi brightness, and higher K&N Ink absorption, when compared with carboxymethylcellulose (CMC) rheology modifiers in the trial (see Table 3).
- CMC carboxymethylcellulose
- nonionic cellulose derivatives that are similar to HEC would also show this same performance, if included into the metering size press application.
- These latter materials are thought to include water-soluble alkylhydroxyethylcellulose derivatives in general and methylhydroxyethylcellulose (MHEC) ethylhydroxyethylcellulose, (EHEC) and
- HHEC hydrophobically-modified hydroxyethylcellulose
Landscapes
- Paper (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| PCT/US2005/006819 WO2006093497A1 (fr) | 2005-03-02 | 2005-03-02 | Hydroxyalkylcellulose utilisee en tant qu’additif dans des revetements pigmentes pour presse encolleuse doseuse |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| EP1853762A1 true EP1853762A1 (fr) | 2007-11-14 |
| EP1853762B1 EP1853762B1 (fr) | 2011-05-11 |
Family
ID=35601831
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP05724378A Active EP1853762B1 (fr) | 2005-03-02 | 2005-03-02 | Hydroxyalkylcellulose utilisee en tant qu additif dans des revetements pigmentes pour presse encolleuse doseuse |
Country Status (5)
| Country | Link |
|---|---|
| EP (1) | EP1853762B1 (fr) |
| AT (1) | ATE509157T1 (fr) |
| CA (1) | CA2599883A1 (fr) |
| ES (1) | ES2363016T3 (fr) |
| WO (1) | WO2006093497A1 (fr) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| AU2009226129B2 (en) * | 2008-03-15 | 2013-10-17 | Solenis Technologies Cayman, L.P. | Clay slurries and use thereof in pulp and papermaking applications |
| ITVA20090013A1 (it) | 2009-02-17 | 2010-08-18 | Lamberti Spa | Sospensioni acquose per la patinatura della carta |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5494509A (en) * | 1993-10-29 | 1996-02-27 | Aqualon Company | Paper coating composition with increased thickener efficiency |
| AU2003203172A1 (en) * | 2002-01-16 | 2003-07-30 | Nippon Paper Industries Co., Ltd. | Method for producing coated paper for printing |
-
2005
- 2005-03-02 ES ES05724378T patent/ES2363016T3/es active Active
- 2005-03-02 EP EP05724378A patent/EP1853762B1/fr active Active
- 2005-03-02 CA CA002599883A patent/CA2599883A1/fr not_active Abandoned
- 2005-03-02 AT AT05724378T patent/ATE509157T1/de not_active IP Right Cessation
- 2005-03-02 WO PCT/US2005/006819 patent/WO2006093497A1/fr active Application Filing
Non-Patent Citations (1)
| Title |
|---|
| See references of WO2006093497A1 * |
Also Published As
| Publication number | Publication date |
|---|---|
| ES2363016T3 (es) | 2011-07-18 |
| CA2599883A1 (fr) | 2006-09-08 |
| EP1853762B1 (fr) | 2011-05-11 |
| ATE509157T1 (de) | 2011-05-15 |
| WO2006093497A1 (fr) | 2006-09-08 |
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