EP0713548A1 - Papier ou carton pourvu d'un revetement applique par couchage a haut brillant, procede de fabrication et utilisation - Google Patents
Papier ou carton pourvu d'un revetement applique par couchage a haut brillant, procede de fabrication et utilisationInfo
- Publication number
- EP0713548A1 EP0713548A1 EP94926127A EP94926127A EP0713548A1 EP 0713548 A1 EP0713548 A1 EP 0713548A1 EP 94926127 A EP94926127 A EP 94926127A EP 94926127 A EP94926127 A EP 94926127A EP 0713548 A1 EP0713548 A1 EP 0713548A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- weight
- paper
- parts
- coating
- pigment
- 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
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
- D21H19/54—Starch
-
- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
- D21H19/00—Coated paper; Coating material
- D21H19/36—Coatings with pigments
- D21H19/44—Coatings with pigments characterised by the other ingredients, e.g. the binder or dispersing agent
- D21H19/62—Macromolecular organic compounds or oligomers thereof obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds
Definitions
- the invention relates to a paper or a cardboard with a coating applied by a coating process, which is formed from a mineral pigment, latex, a starch derivative and an aqueous composition comprising casting coating aids known per se in the usual amount.
- the invention also relates to a method for producing the specified paper or cardboard and its use.
- DE-26 19 848 AI describes a non-proteinaceous binder composition for the cast coating of paper, in which the binder composition comprises modified starch and two carboxylated styrene-butadiene latices, which differ in their degree of carboxylation.
- a pigment mixture given by way of example consists of 85 parts made of calcium carbonate and about 15 parts of a coating clay.
- the known composition may contain a pentaerythritol ester resin and the dispersing and separating agents which are customary per se.
- DE-26 19 848 AI aims to replace casein as the main binder component for coating colors to be processed in the coating process and thus to avoid its disadvantages, in particular the high costs and the limited availability. At the same time, however, both a good release property of the dried coating color from the high-gloss cylinder and a high-quality paper sheet which has excellent printability, sheet gloss and water resistance should be achieved.
- DE-23 02 044 C2 also refers to the disadvantages of using casein as a binder and therefore provides for a mixture of two latices as a binder, one latex not being alkali-soluble or swellable and the other latex being alkali-swellable or soluble.
- the aqueous coating mass must be kept at a pH of ⁇ 7.0 and the coated paper web must be conveyed in cast holding rollers with a chrome-plated surface which contain a bath of boiling water.
- the coating composition applied to the paper web is first partially dried, but no gelation occurs and fed to the casting holding drum filled with boiling water while the paper web is pressed against the surface of the casting holding drum with a pressure roller. A water bath forms in the nip formed between the casting holding drum and the pressure roller.
- casein as a natural product is subject to not inconsiderable quality fluctuations.
- Another disadvantage of casein is its sensitivity to bacteria.
- the qualitative requirements for cast-coated papers or cardboard types have become ever stricter; in particular, good wet scrub resistance and good gloss retention are required to an ever increasing extent. The demands made are to be seen from the point of view of changed printing techniques as well as modern warehousing and sales methods.
- a cast-coated paper printed with aqueous or water-thinnable flexographic printing inks has a sufficiently high printing ink adhesion.
- the present invention sees its task in Development of a cast coated paper or cardboard
- the paper or the cardboard have a coating with improved wet abrasion resistance, in particular a sufficiently high flexographic printing ink adhesion,
- the coating on the paper or cardboard has a high adhesive strength, so that when using the paper as a label for reusable bottles when cleaning the used bottles, the washing liquors used have a long service life and are not renewed prematurely due to insufficient adhesion of the line on the label have to.
- the invention provides a paper or a cardboard with a coating applied by the coating method, which is formed from a mineral pigment, latex, a starch derivative and an aqueous composition comprising known coating additives, the coating being formed by the Combination of the following features is marked:
- the pigment consists of 70 to 100 parts by weight of coating kaolin and / or talc;
- the coating contains as a binder, based on 100 parts by weight of pigment: 10 to 14 parts by weight of latex with a glass transition temperature> 18 ° C., 6 to 10 parts by weight of starch ether, 0.5 to 3.5 parts by weight of one or more crosslinking aids of the group: polyamine epichlorohydrin resin, polyamide epichlorohydrin resin, epoxy resin, polyisocyanate resin.
- latex binders to be used according to the invention with a glass transition temperature> 18 ° C. and a starch ether are obtained by adding those to be used according to the invention
- Crosslinking aids are excellently crosslinked, so that, in cooperation with the pigments provided according to the invention, a cast coating is formed with excellent adhesion to the surface of paper or cardboard, which has excellent printing ink adhesion, in particular also of aqueous or water-thinnable printing inks.
- the coating color is not impaired by heating the coating ink sump when the web enters the high-gloss cylinder.
- a further advantage when using the crosslinking aids to be used according to the invention results from the fact that no harmful vapors escape, as z. B. in formaldehyde-releasing crosslinking agents during the Drying process is the case.
- the pigment present in the coating contains up to 30 parts by weight of precipitated calcium carbonate, satin white, aluminum hydroxide, titanium dioxide or a mixture of these pigments, the mixture components adding up to a total of 100 parts by weight of pigment.
- a hydroxypropyl starch ether has proven to be particularly suitable, in particular a hydroxypropyl starch ether with a degree of substitution ⁇ 0.2. However, a hydroxypropyl starch ether with a degree of substitution of 0.04 to 0.12 is very particularly preferred.
- An aliphatic epoxy resin is particularly preferred as the crosslinking aid, in particular an epoxy resin based on bisphenol A and F and epichlorohydrin.
- a butadiene-styrene latex containing carboxyl groups has proven to be a latex, furthermore a copolymer of acrylic acid esters with other vinyl compounds or a mixture of these two types of latex.
- the glass transition temperature of the latex or the latex mixture is preferably in the range from 24 to 30 ° C. and the latex has a minimum film-forming temperature of 20 ° C.
- a coating base paper or a coating base card that is only smoothed by satin coating can be used as the substrate for the application of the cast coating layer, but a coating base provided with a primer can also be used.
- the minimum application weight of the cast coating layer is also 12 g / m 2 in the case of a pre-coated coating medium, if an uncoated coating medium is used, the coating can be applied up to a basis weight of 27 g / m 2 , application weights of 20 to are particularly preferred 25 g / m 2 .
- the coatings according to the invention have a gloss (according to Gardener, angle 20 °) of 58 to 68%.
- the coating according to the invention may also contain as coating additives, dispersing and wetting agents, release agents such as the stearates of sodium and calcium, oils, in particular Turkish red oil, optical brighteners, shading dyes, thickening aids, e.g. B. based on an alkali-soluble acrylate, defoamers and agents for regulating the pH, these G confusestreichilfsstoff in a total of 2 to 4 parts by weight, based on 100 parts by weight of pigment of the coating are present.
- coating additives such as the stearates of sodium and calcium, oils, in particular Turkish red oil, optical brighteners, shading dyes, thickening aids, e.g. B. based on an alkali-soluble acrylate, defoamers and agents for regulating the pH, these G confusestreichilfsstoff in a total of 2 to 4 parts by weight, based on 100 parts by weight of pigment of the coating are present.
- composition applied to a paper or cardboard web, leveled and heated
- Glossy cylinder is contacted with simultaneous drying to form a glossy line, is characterized in that: the composition comprises a pigment which to
- Talc exists; the composition as a binder - based on
- the invention is based on the so-called "direct method”; H. the casting process, in which the material web provided with the leveled but still wet line is brought into contact with the heated surface of a high-gloss cylinder.
- H the casting process, in which the material web provided with the leveled but still wet line is brought into contact with the heated surface of a high-gloss cylinder.
- rewet method and the gelation method are not covered by the present invention.
- the pigment present in the composition additionally contains up to 30% by weight of precipitated calcium carbonate, satin white, Contains aluminum hydroxide and titanium dioxide or a mixture of these pigments, with the mixture components adding up to a total of 100 parts by weight of pigment.
- the temperature of the high-gloss cylinder is preferably kept in the range from 75 ° C. to ⁇ 100 ° C.
- the coating colors for forming the coating according to the invention are adjusted to a pH> 8, preferably to ⁇ 12.
- the viscosities are in the range of 2,000 to 8,000 mPas, measured with a Brookfield viscometer at 100 rpm and spindles 4 to 6 depending on the degree of viscosity.
- the paper or cardboard according to the invention can be used for printing with aqueous or water-dilutable printing inks, in particular the use for printing with aqueous or water-dilutable flexographic printing inks is preferred.
- An aqueous slurry of 80 parts by weight of coating kaolin and 20 parts by weight of precipitated calcium carbonate becomes one with the addition of 0.3 part by weight, based on pigment polycarboxylic acid salt as a dispersant and this mixture 2 parts by weight of a reaction product of bisphenol A and F with epichlorohydrin, as it under the
- Trade name XZ 95381.00 epoxy resin is produced by Dow, added and mixed homogeneously with the pigment slurry.
- a butadiene styrene latex having a glass transition temperature of 24 ° C. and a minimum film-forming temperature of 20 ° C. is added in an amount of 12 parts by weight, calculated as parts by dry weight, based on the pigment.
- 1.2 parts by weight of calcium stearate and 1 part by weight of a wetting agent are mixed in.
- the coating color is adjusted to a pH of 8.6.
- the finished coating color has a solids content of 57% by weight.
- the dried paper can be easily detached from the high-gloss cylinder.
- the gloss measurement (according to Gardener at an angle of 20 °) gave a value of 63%.
- an aqueous flexographic printing ink was applied to a sample of the paper according to the invention using a manual application device - as it is manufactured under the name of hand-proofer by Pamarco Inc. Rosell NJ - and the "printed" samples immediately after application 10 Min. In a drying cabinet at 100 ° C.
- the printed test paper is immersed a) 1 min., B) 10 min.
- a scrubber which consists of a scrubber slide that can be moved in guide rails and is manually guided over the clamped paper sample.
- a white cotton cloth soaked in water for 1 minute is stretched around the weight of the scrubbing sled.
- the 1 minute watered sample is loaded with 100 double strokes and the 10 minute watered sample with 25 double strokes of the scrubbing slide.
- Fig. 1 shows almost completely intact samples of the paper according to the invention both after 1 and after 10 minutes of washing, with no discoloration of printing ink on the test report attached cotton rags can be seen. As a result, the cotton flaps are not visible on copies of the test report, see Fig. 1.
- an examination of a cast-coated paper using casein shows a very low ink adhesion and consequently a strong staining of the cotton flap, see FIG. Fig. 2.
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Paper (AREA)
- Glass Compositions (AREA)
- Manufacture Of Alloys Or Alloy Compounds (AREA)
- Valve Housings (AREA)
- Application Of Or Painting With Fluid Materials (AREA)
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE4327366 | 1993-08-14 | ||
DE4327366A DE4327366C1 (de) | 1993-08-14 | 1993-08-14 | Papier oder Karton mit einer im Gußstreichverfahren aufgebrachten Beschichtung, Verfahren zur Herstellung und Verwendung |
PCT/EP1994/002509 WO1995005505A1 (fr) | 1993-08-14 | 1994-07-29 | Papier ou carton pourvu d'un revetement applique par couchage a haut brillant, procede de fabrication et utilisation |
Publications (2)
Publication Number | Publication Date |
---|---|
EP0713548A1 true EP0713548A1 (fr) | 1996-05-29 |
EP0713548B1 EP0713548B1 (fr) | 1997-04-16 |
Family
ID=6495211
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP94926127A Expired - Lifetime EP0713548B1 (fr) | 1993-08-14 | 1994-07-29 | Papier ou carton pourvu d'un revetement applique par couchage a haut brillant, procede de fabrication et utilisation |
Country Status (7)
Country | Link |
---|---|
EP (1) | EP0713548B1 (fr) |
JP (1) | JPH09501745A (fr) |
AT (1) | ATE151828T1 (fr) |
DE (2) | DE4327366C1 (fr) |
ES (1) | ES2102875T3 (fr) |
FI (1) | FI960603A (fr) |
WO (1) | WO1995005505A1 (fr) |
Families Citing this family (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE19526278A1 (de) * | 1995-07-19 | 1997-01-23 | Bayer Ag | Steichmassen mit Polyisocyanaten |
DE19537427C1 (de) * | 1995-10-07 | 1997-02-27 | Feldmuehle Ag Stora | Papier mit einer im Gußstreichverfahren aufgebrachten Beschichtung |
DE19644014C2 (de) * | 1996-10-31 | 1999-07-22 | Stora Publication Paper Ag | Papier mit Aufzeichnungsschicht und Verfahren zu seiner Herstellung |
DE19706574C2 (de) * | 1997-02-20 | 1999-07-08 | Stora Publication Paper Ag | Papier mit einer im Gußstreichverfahren aufgebrachten Beschichtung, Verfahren zu seiner Herstellung und seine Verwendung |
DE19745935C2 (de) * | 1997-10-17 | 2001-12-13 | Mitsubishi Hitec Paper Bielefe | Papier mit Tintenstrahlaufzeichnungsschicht |
DE19755724C1 (de) * | 1997-12-15 | 1999-06-24 | Zanders Feinpapiere Ag | Mattes gußgestrichenes Papier und Verfahren zu seiner Herstellung |
CN100351467C (zh) | 2002-05-03 | 2007-11-28 | 伊梅里斯矿物有限公司 | 纸张涂布颜料 |
JP4315695B2 (ja) * | 2003-02-03 | 2009-08-19 | 富士ゼロックス株式会社 | 電子写真用転写用紙および電子写真用転写用紙の製造方法 |
KR101097123B1 (ko) * | 2003-08-11 | 2011-12-22 | 도쿠슈 도카이 세이시 가부시키가이샤 | 내유성 시트형물 |
AU2016238448B2 (en) * | 2015-03-23 | 2021-06-24 | Stora Enso Oyj | Inkjet ink receptive coating comprising esterified or etherified starch and an inorganic mineral |
FR3065223B1 (fr) * | 2017-04-18 | 2019-07-05 | Societe Bic | Encre effacable a sec a temps de sechage amelioree |
Family Cites Families (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE1904260A1 (de) * | 1968-02-08 | 1969-11-27 | Cons Papers Inc | Waessrige Papierueberzugsmasse |
US3607331A (en) * | 1968-06-03 | 1971-09-21 | Dow Chemical Co | Clay-starch paper coating compositions |
BE793933A (fr) * | 1972-01-14 | 1973-07-12 | Scott Paper Co | Composition aqueuse de couchage a adhesif pur latex |
US4109056A (en) * | 1975-05-05 | 1978-08-22 | Champion International Corporation | Starch/latex cast coatings for paper |
GB1514428A (en) * | 1975-05-05 | 1978-06-14 | Champion Int Corp | Starch/latex cast coatings for paper |
JPS52137015A (en) * | 1976-05-06 | 1977-11-16 | Honshu Paper Co Ltd | Paper coating composition |
JPS59216996A (ja) * | 1983-05-18 | 1984-12-07 | 神崎製紙株式会社 | キャスト塗被紙の製造方法 |
KR920002988B1 (ko) * | 1988-03-02 | 1992-04-11 | 미쓰이 도오아쓰 가가쿠 가부시키가이샤 | 도료조성물과 이것을 피복시킨 캐스트코우트지(Cast-coated Paper) |
JP3038409B2 (ja) * | 1990-07-31 | 2000-05-08 | 三井化学株式会社 | キャストコート紙用塗料組成物 |
DE4139386C1 (fr) * | 1991-11-29 | 1993-04-22 | Stora Feldmuehle Ag, 4000 Duesseldorf, De |
-
1993
- 1993-08-14 DE DE4327366A patent/DE4327366C1/de not_active Expired - Fee Related
-
1994
- 1994-07-29 EP EP94926127A patent/EP0713548B1/fr not_active Expired - Lifetime
- 1994-07-29 ES ES94926127T patent/ES2102875T3/es not_active Expired - Lifetime
- 1994-07-29 AT AT94926127T patent/ATE151828T1/de not_active IP Right Cessation
- 1994-07-29 WO PCT/EP1994/002509 patent/WO1995005505A1/fr active IP Right Grant
- 1994-07-29 JP JP7506704A patent/JPH09501745A/ja active Pending
- 1994-07-29 DE DE59402458T patent/DE59402458D1/de not_active Expired - Fee Related
-
1996
- 1996-02-09 FI FI960603A patent/FI960603A/fi not_active Application Discontinuation
Non-Patent Citations (3)
Title |
---|
088072 (MITSUI TOATSU CHEM INC) 19.M{rz 1992, * |
DATABASE PAPERCHEM THE INSTITUTE OF PAPER SCIENCE AND TECHNOLOGY, ATLANTA, GA, US AN 50-03866, NAKAMURA, M. 'Paper coating formulation' * |
PATENT ABSTRACTS OF JAPAN vol. 016 no. 310 (C-0960) ,8.Juli 1992 & JP,A,04 * |
Also Published As
Publication number | Publication date |
---|---|
WO1995005505A1 (fr) | 1995-02-23 |
FI960603A0 (fi) | 1996-02-09 |
ES2102875T3 (es) | 1997-08-01 |
FI960603A (fi) | 1996-02-14 |
ATE151828T1 (de) | 1997-05-15 |
JPH09501745A (ja) | 1997-02-18 |
DE59402458D1 (de) | 1997-05-22 |
DE4327366C1 (de) | 1995-01-05 |
EP0713548B1 (fr) | 1997-04-16 |
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