WO2000017449A1 - Wässrige formulierung für die oberflächenpräparation von papier und karton - Google Patents
Wässrige formulierung für die oberflächenpräparation von papier und karton Download PDFInfo
- Publication number
- WO2000017449A1 WO2000017449A1 PCT/EP1999/006576 EP9906576W WO0017449A1 WO 2000017449 A1 WO2000017449 A1 WO 2000017449A1 EP 9906576 W EP9906576 W EP 9906576W WO 0017449 A1 WO0017449 A1 WO 0017449A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- sulfoethyl
- paper
- cellulose
- coating
- cobinder
- Prior art date
Links
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
- D21H19/10—Coatings without pigments
- D21H19/14—Coatings without pigments applied in a form other than the aqueous solution defined in group D21H19/12
- D21H19/34—Coatings without pigments applied in a form other than the aqueous solution defined in group D21H19/12 comprising cellulose or 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
- 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
Definitions
- the invention relates to the use of water-soluble sulfoethyl cellulose ethers, e.g. Sulfoethyl cellulose ether, carboxymethyl sulfoethyl cellulose ether,
- Corresponding formulations are also referred to as coating colors.
- Methyl, carboxymethyl cellulose ether (CMC) and carboxymethyl cellulose ether have long been used as co-binders for pigment-containing coating colors for coating paper and cardboard (see DE 16 21 694, EP 0 399 775, US Pat. No. 4,994 112, EP 0 382 576, US) -PS 5 080 717).
- the products used as cobinder have the task of controlling the rheology of the coating color required for the coating process and guaranteeing a uniform coating of the paper or board surface. It is known that when using cellulose ethers, in particular carboxymethyl cellulose ethers, the properties required for the coating process are greater than
- the degree of polymerization of the starting cellulose and the degree of substitution of the cellulose ether can be set.
- the cobinder in pigment-containing coating colors also has the task of preventing the coating color from striking away during the coating process and ensure problem-free processing of the colors.
- the improvement in water retention is of particular importance here, because it prevents inadmissible increases in the coating color concentration during the coating process and thus longer running times or lower machine downtimes with lower tear-off rates can be set.
- more uniform, high-quality coatings can be guaranteed, since the controlled penetration of the additives contained in the coating colors into the base paper during the coating process or during drying can reduce migration processes of coating color components in the coating (see JS Malik, JE Kline, Tappi 1992, Coating Conference Proceedings
- CMC binder or cobinder
- improved values for the dynamic water release capacity of the coating color or the quality of the surface coating of the papers can be obtained by increasing the amount of cobinder in quantitative terms or by providing a CMC with a higher degree of substitution by carboxymethyl groups of approximately 1 or above .
- alkylsulfonated and hydroxyalkylsulfonated, carboxy-polysaccharides or mixed ethers such as sulfoethyl cellulose derivatives, in particular sulfoethyl cellulose ethers (SEC), carboxymethyl sulfoethyl cellulose ethers, methyl sulfoethyl cellulose ethers, methyl hydroxyl ether, hydroxyl methyl sulfoxethyl cellulose -Sulfoethyl cellulose ethers, ethyl sulfoethyl cellulose ethers, hydroxyethyl sulfoethyl cellulose ethers and hydroxypropyl sulfoethyl cellulose ethers as cobinder improve the quality of coating colors.
- SEC sulfoethyl cellulose derivatives
- carboxymethyl sulfoethyl cellulose ethers carboxymethyl
- coating colors containing cobinder based on sulfoethyl cellulose show lower values for the dynamic water release capacity with improved rheology than coating colors with CMC as cobinder.
- hydrophobically modified sulfoethyl cellulose mixed ethers such as hydroxypropyl sulfoethyl cellulose ether, leads to an improvement in the quality of the paper during printing.
- This effect is among others a function of the raw material, the sulfoalkylation reagent and the level of the degree of substitution (DS) determined by the sulfoalkyl group.
- Hetero- and homo-polysaccharides such as e.g. Celluloses (e.g. cellulose chemical pulps, linters, raw linters, softwood sulfates, softwood sulfate and / or hardwood pulps), galactomannans (guar, carob bean gum), starches (corn, potato, wheat starches etc.) and theirs
- Hydrolysates or enzymatically, thermally and / or oxidatively degraded products, pectins, carraghenans, alginates, xanthan, hemicelluloses, chitin and chitosans are claimed.
- Sulfoalkyl-modified proteins such as e.g. Gelatin and others claimed.
- the average molecular weights [M w ] (multi-angle laser light scattering photometer DAWN, Wyatt) of the sulfoalkylated polysaccharide ethers claimed according to the invention are max. 10 8 [g-mok 1 ], preferably at max. 200,000 [g-moH].
- the sulfoalkylated polysaccharide ethers claimed according to the invention are prepared and packaged in the manner generally known to those skilled in the art.
- the sulfoalkylated polysaccharide ethers can be added as monosaccharide ethers as powder, granules or as a suspension for the formulation of coating colors.
- monosaccharide ethers as powder, granules or as a suspension for the formulation of coating colors.
- Gentien such as methyl chloride, ethyl chloride or long-chain glycidyl ethers, chlorinated or bromocarbons with 3 to 30 carbon atoms; Chloroacetic acid or sodium chloroacetic acid; Ethylene, propylene or butylene oxide, further to convert to binary or ternary mixed ethers.
- the monoethers claimed according to the invention or the binary or ternary mixed ethers with conventional water-soluble, unmodified polysaccharides, such as e.g. Starches, alginates or galactomannans, or water-soluble, modified polysaccharides, in particular polysaccharide ethers, such as e.g. Starch ethers (e.g. carboxymethyl starch,
- methyl starch ethyl starch, hydroxyethyl starch, hydroxypropyl starch
- cellulose ethers e.g. methyl cellulose, ethyl cellulose, methylhydroxyalkyl cellulose, hydroxyalkyl cellulose, car oxymethyl cellulose, carboxymethyl hydroxyethyl cellulose etc.
- galactomannan ethers e.g. carboxymethyl guar, hydroxypropyl guar.
- the use amount of the cobinder claimed according to the invention or the physical mixture claimed according to the invention in the coating color formulation is not subject to any restrictions. However, it is usually made dependent on technical (viscosity) or economic factors.
- the proportion of cobinder added to the coating color is usually max. 10 parts based on 100 parts pigment, especially at max. 2 parts, preferably at max. 1st chapter.
- cellulose-based cobinder When using cellulose-based cobinder as an additive for pigment-containing coating colors, preference is given to using those cellulose ethers which have the highest possible solution quality. Gel particles, fibers and specks can clog filters and sieves. If coarser, water-insoluble cellulose particles get stuck under the coating unit, doctor strips or web breaks can occur. It is therefore necessary to use cellulose ethers that are soluble in water without gel bodies, fibers and specks. The water solubility of Cellulose ethers are usually adjusted via the level of substitution of the etherification components.
- the “DS” (degree of substitution) denotes the average number of hydroxyl groups substituted in the cellulose per anhydroglucose unit. According to the invention, it is advantageous if the DS by cellulose ethers used is less than 1.2 by sulfoethyl groups It is known to the person skilled in the art that for the production of a water-soluble CMC a degree of substitution of approximately 0.4 or for the production of a water-soluble, not further substituted SEC the level of the substitution must be at least approximately 0.2-0.3.
- the DS of the SEC is preferably 0.2 to 0.9, in particular 0.3 to 0.75.
- the degree of substitution is generally significantly higher for the production of fiber-free solutions (see EP 0 319 867 In the case of mixed ethers containing sulfoethyl groups, this is to achieve the water solubility required degree of substitution by sulfoethyl groups significantly lower.
- the degree of substitution (DS) by sulfoethyl groups is preferably 0.05 to 0.9, in particular 0.01 to 0.8 and particularly preferably 0.1 to 0.7.
- the aqueous formulation according to the invention can contain one or more auxiliaries according to the prior art, preferably from the group of dispersing auxiliaries (in particular polyphosphates, polyacrylates), binders (in particular starch and starch ethers, casein, polymer dispersions based on butadiene-styrene, acrylic acid ester styrene, acrylic acid ester) Vinyl acetate, vinyl acetate-ethylene and copolymers of the above products with acrylonitrile), anti-foaming agents (in particular emulsions of animal or vegetable fats, silicone emulsions or higher alcohols and their esters), optical brighteners and acceptors therefor (in particular polyvinyl alcohols, casein, CMC), shading dyes (in particular pigment colors Substances, nouns and basic dyes) to adjust the color locus, products to increase water resistance (especially melamine and urea resins, Glyoxal, epoxy resins) and / or auxiliaries that are
- the pigments in pigment-containing coating colors are the raw materials familiar to the person skilled in the art, such as kaolin, natural calcium carbonate, talc, satin white, precipitated calcium carbonate, titanium dioxide, aluminum hydroxide, gypsum, barium sulfate, plastic or plastic pigments alone or as a mixture in dry or already predispersed form ( so-called slurry form).
- the aqueous formulation is a so-called sizing agent which contains the cobinder in a pigment-free formulation, optionally together with one or more of the above-mentioned auxiliaries. It is preferably an aqueous solution which contains the sulfoethyl cellulose ether in a concentration of 0.1 to 30%, in particular 0.1 to 15%.
- the cobinders used in the examples were added to the pigment slurry as highly concentrated, aqueous solutions.
- the aqueous solutions of the sulfoethyl cellulose derivatives claimed according to the invention all have high transmission values of T> 95% (2% by weight aqueous solution, wavelengths of the used
- a dynamic measuring method is used to determine the dynamic water release, the rheology and the immobilization of the coating colors, as described in the literature (see Das Textil 50 (1996), No. 3, 97 ff).
- Shear rate of gamma point 300 1 / s
- the tendency in the production of coated graphic papers is to use coating colors with the lowest possible water content, i.e. high solids content. Energy savings during drying, higher throughputs and more voluminous coating layers can be achieved in this way.
- the viscosity and the water release in particular the initial water release of a coating color, should be low. This minimizes the risk of a sudden increase in the viscosity and thus the solids content of the coating color during the coating process. If the water retention of the ink is in a critical range, the pressure impulses of approx.
- Coating color so that all transport processes of formulation components present in the formulation are prevented. If this process takes too long, migration processes can be triggered both into the paper and onto the paper surface, which can lead to a loss of quality when printing (eg mottling).
- a dynamic measurement method as described in the literature was used (see DW Jones et al. In: Das Textil, 50 (3) (1996) pp. 97-106) . The procedure is such that the coating color to be examined is entered into the aforementioned measuring cell and sheared under defined conditions.
- the amount of water released is recorded as a function of the solids content currently present in the paint.
- Example No. 8 shows that the water release capacity of the coating slip formulated with sulfoethyl cellulose is significantly below that of the standard (see current No. 8 and 9). Despite a similar viscosity level of the aqueous solutions (see Table 4), the viscosity of the coating thickened with SEC is clearly below the level of the reference sample and the unthickened ink.
- the coating inks formulated with sulfoethyl cellulose ethers also lead to faster immobilization of the ink. This minimizes the risk of migration processes from, for example, binder components to the surface of the coating. Machine tests were carried out on a coating system with the products described in Table 4.
- coated papers were then dried and satined and in the
- VI contains Walocel CRT 5 G (standard) compared to V2 (SEC 1 as cobinder);
- V5 contains Walocel CRT 3 G (standard) compared to V3 (HPSEC) and V6 (SEC
- the aim of the practical tests was to set coating colors with the highest possible solids content in order to be able to assess the running behavior during the coating process under realistic conditions.
- the first attempt was to apply the coating colors with a solids content of 69.0% to the paper surface.
- the solids content had to be reduced during the experiment, since theological problems caused by scraper boiling over and the like. came.
- the results of the coating on the sieve side (SS) should therefore be used to assess the samples with one another (Table 6).
- values of a minimum of 23% and a maximum of 26% are obtained for the screen side.
- the values for the optical density are in the range from 1.39 to 1.45 and therefore show only slight differences.
- the standard color no. 408002 causes individual line particles to break out on all papers.
- the softer color with No. 408001 does not pick.
- the pick resistance of the papers is everywhere in the critical range. However, it is not possible to differentiate the patterns from one another, since their quality is at a uniform level. All papers show quick set-off behavior, which has a positive effect on ink drying.
- the tests labeled V2 and V6 are assessed as particularly positive.
- the ink (V3) formulated with hydroxypropyl sulfoethyl cellulose shows advantages when printing.
Landscapes
- Paper (AREA)
- Paints Or Removers (AREA)
Abstract
Description
Claims
Priority Applications (7)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
BR9913863-8A BR9913863A (pt) | 1998-09-19 | 1999-09-07 | Formulação aquosa para acabamento de superfìcie de papel e papelão |
AU60801/99A AU6080199A (en) | 1998-09-19 | 1999-09-07 | Aqueous formulation for surface preparation of paper and cardboard |
JP2000574344A JP2002526679A (ja) | 1998-09-19 | 1999-09-07 | 紙及び板紙の表面仕上げ用水性調合物 |
CA002344195A CA2344195A1 (en) | 1998-09-19 | 1999-09-07 | Aqueous formulation for surface preparation of paper and cardboard |
EP99947282A EP1125025A1 (de) | 1998-09-19 | 1999-09-07 | Wässrige formulierung für die oberflächenpräparation von papier und karton |
KR1020017003531A KR20010073176A (ko) | 1998-09-19 | 1999-09-07 | 종이 및 판지의 표면 제조를 위한 수성 제제 |
HK02102638.2A HK1041299A1 (zh) | 1998-09-19 | 2002-04-09 | 紙張和紙板表面整飾的含水製劑 |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19842962.2 | 1998-09-19 | ||
DE19842962A DE19842962A1 (de) | 1998-09-19 | 1998-09-19 | Wäßrige Formulierung für die Oberflächenpräparation von Papier und Karton |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2000017449A1 true WO2000017449A1 (de) | 2000-03-30 |
Family
ID=7881513
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/EP1999/006576 WO2000017449A1 (de) | 1998-09-19 | 1999-09-07 | Wässrige formulierung für die oberflächenpräparation von papier und karton |
Country Status (10)
Country | Link |
---|---|
EP (1) | EP1125025A1 (de) |
JP (1) | JP2002526679A (de) |
KR (1) | KR20010073176A (de) |
CN (1) | CN1318120A (de) |
AU (1) | AU6080199A (de) |
BR (1) | BR9913863A (de) |
CA (1) | CA2344195A1 (de) |
DE (1) | DE19842962A1 (de) |
HK (1) | HK1041299A1 (de) |
WO (1) | WO2000017449A1 (de) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US8252143B2 (en) | 2004-06-22 | 2012-08-28 | Akzo Nobel N.V. | Filler for paper making process |
Families Citing this family (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
PL1778916T3 (pl) * | 2004-06-22 | 2016-10-31 | Wypełniacz do sposobu wytwarzania papieru | |
CN100365209C (zh) * | 2005-12-30 | 2008-01-30 | 湖北达雅化工技术发展有限公司 | 一种涂布纸涂料保水剂及其制备方法 |
CN103214894B (zh) * | 2013-04-09 | 2015-09-23 | 广东龙湖科技股份有限公司 | 一种具有改善灰钙基或水泥基内外墙腻子性能的爽滑剂 |
CN107558297B (zh) * | 2017-09-08 | 2018-09-04 | 湖北金庄科技再生资源有限公司 | 一种防水防潮增强型的施胶剂及其制备方法 |
CN110952381A (zh) * | 2019-12-24 | 2020-04-03 | 上海赛尔印刷包装材料有限公司 | 一种瓦楞纸内衬的生产加工工艺 |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2759853A (en) * | 1951-08-03 | 1956-08-21 | Hercules Powder Co Ltd | Process for making coated paper |
US2776911A (en) * | 1952-04-30 | 1957-01-08 | Hercules Powder Co Ltd | Process of coating paper with gellable water soluble salt of cellulose sulfate and pigment and gelling said coating |
US5278304A (en) * | 1991-04-27 | 1994-01-11 | Bayer Aktiengesellschaft | Water-soluble sulfoethyl cellulose ethers of very high solution quality and a process for their production |
EP0601404A1 (de) * | 1992-12-08 | 1994-06-15 | Wolff Walsrode Aktiengesellschaft | Hochsubstituierte Carboxymethyl-sulfoethylcellulose-ether (CMSEC), Verfahren zu deren Herstellung und Verwendung im Textildruck |
-
1998
- 1998-09-19 DE DE19842962A patent/DE19842962A1/de not_active Withdrawn
-
1999
- 1999-09-07 KR KR1020017003531A patent/KR20010073176A/ko not_active Application Discontinuation
- 1999-09-07 AU AU60801/99A patent/AU6080199A/en not_active Abandoned
- 1999-09-07 JP JP2000574344A patent/JP2002526679A/ja active Pending
- 1999-09-07 CN CN99810998A patent/CN1318120A/zh active Pending
- 1999-09-07 WO PCT/EP1999/006576 patent/WO2000017449A1/de not_active Application Discontinuation
- 1999-09-07 BR BR9913863-8A patent/BR9913863A/pt not_active IP Right Cessation
- 1999-09-07 EP EP99947282A patent/EP1125025A1/de not_active Withdrawn
- 1999-09-07 CA CA002344195A patent/CA2344195A1/en not_active Abandoned
-
2002
- 2002-04-09 HK HK02102638.2A patent/HK1041299A1/zh unknown
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2759853A (en) * | 1951-08-03 | 1956-08-21 | Hercules Powder Co Ltd | Process for making coated paper |
US2776911A (en) * | 1952-04-30 | 1957-01-08 | Hercules Powder Co Ltd | Process of coating paper with gellable water soluble salt of cellulose sulfate and pigment and gelling said coating |
US5278304A (en) * | 1991-04-27 | 1994-01-11 | Bayer Aktiengesellschaft | Water-soluble sulfoethyl cellulose ethers of very high solution quality and a process for their production |
EP0601404A1 (de) * | 1992-12-08 | 1994-06-15 | Wolff Walsrode Aktiengesellschaft | Hochsubstituierte Carboxymethyl-sulfoethylcellulose-ether (CMSEC), Verfahren zu deren Herstellung und Verwendung im Textildruck |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US8252143B2 (en) | 2004-06-22 | 2012-08-28 | Akzo Nobel N.V. | Filler for paper making process |
US8828188B2 (en) | 2004-06-22 | 2014-09-09 | Akzo Nobel N.V. | Filler for paper making process |
US9657441B2 (en) | 2004-06-22 | 2017-05-23 | Akzo Nobel N.V. | Filler for paper making process |
Also Published As
Publication number | Publication date |
---|---|
KR20010073176A (ko) | 2001-07-31 |
AU6080199A (en) | 2000-04-10 |
JP2002526679A (ja) | 2002-08-20 |
HK1041299A1 (zh) | 2002-07-05 |
CA2344195A1 (en) | 2000-03-30 |
DE19842962A1 (de) | 2000-03-23 |
CN1318120A (zh) | 2001-10-17 |
EP1125025A1 (de) | 2001-08-22 |
BR9913863A (pt) | 2001-06-05 |
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