EP0895553B1 - Verfahren zur oberflächenbehandlung von flächenförmigen materialbahnen, insbesondere aus papier und karton unter verwendung von abhäsivmitteln - Google Patents

Verfahren zur oberflächenbehandlung von flächenförmigen materialbahnen, insbesondere aus papier und karton unter verwendung von abhäsivmitteln Download PDF

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Publication number
EP0895553B1
EP0895553B1 EP97920715A EP97920715A EP0895553B1 EP 0895553 B1 EP0895553 B1 EP 0895553B1 EP 97920715 A EP97920715 A EP 97920715A EP 97920715 A EP97920715 A EP 97920715A EP 0895553 B1 EP0895553 B1 EP 0895553B1
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EP
European Patent Office
Prior art keywords
abhesive
paper
process according
steam
agent
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Lifetime
Application number
EP97920715A
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German (de)
English (en)
French (fr)
Other versions
EP0895553A1 (de
Inventor
Joachim Werres
Bernd Reinhardt
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Kammerer GmbH
Stockhausen GmbH and Co KG
Original Assignee
Kammerer GmbH
Stockhausen GmbH and Co KG
Chemische Fabrik Stockhausen GmbH
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Kammerer GmbH, Stockhausen GmbH and Co KG, Chemische Fabrik Stockhausen GmbH filed Critical Kammerer GmbH
Publication of EP0895553A1 publication Critical patent/EP0895553A1/de
Application granted granted Critical
Publication of EP0895553B1 publication Critical patent/EP0895553B1/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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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
    • D21H27/00—Special paper not otherwise provided for, e.g. made by multi-step processes
    • D21H27/001—Release paper
    • 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

Definitions

  • the invention relates to the improvement of the thermal-mechanical surface treatment of sheet-like material webs, in particular paper and cardboard webs, through the Use of means that improve the adhesion between the sheet-like material web and the surface of the used for thermal-mechanical surface treatment Tool, e.g. B. a roller, reduce or even avoid (so-called abhesive).
  • the methods for thermal-mechanical surface treatment represent the manufacturing process special paper and cardboard qualities represent the last process stage in which the Properties of the material web changed significantly and adapted to the requirements of use can be.
  • the requirement profile for types of paper and cardboard is varied and includes properties such as permeability, color absorption, printability or special barrier properties, e.g. B. compared to solvent-based or aqueous coatings, which in turn are characterized by such paper properties as micro and Macro roughness, porosity, absorbency, resistance to picking and abrasion, freedom from dust influenced become. Many of these characteristic properties that influence the surface are very closely related to the local distribution of moisture and bulk density.
  • thermal-mechanical surface treatment have significant disadvantages that arise from the fact that when heating the materials higher temperatures the melting or softening temperatures of components of the treating material can be achieved. This leads to partial adhesion or completely sticking the material webs to the surfaces of the above Aggregates, e.g. B. rollers, so that it is not possible, for example in terms of Heat supply and production speeds achievable aggregate conditions for to use a rational production flow.
  • anionic co-emulsions are produced according to EP 0 478 177 A1 Carnauba wax and paraffin wax are used as antiblocking agents in cardboard production.
  • the abhesives mentioned so far are for thermal-mechanical surface treatment not suitable because they are either insufficiently effective or not procedural, for example, without affecting the desired surface quality of the products can be.
  • compositions are also known from EP 0 648 820 A2 which are used to remove Toning of paper surfaces, adhesive residues of plastics, for removing plastic coatings and for cleaning metal surfaces from cutting oil residues or colored pencil markings used, as well as used to remove PVC parts attached by adhesives become.
  • Concentrated oil-in-water emulsions are used non-aqueous phase of 8-90% by weight, the most diverse organic compounds, as well as dicarboxylic acid diesters, and those with the partial use of ultrasound and other auxiliary materials (unwoven fabric strips) in the temperature range of 5 - 70 ° C, partially with additional heating of the cleaning agent during the cleaning process be used.
  • the emulsions also contain solvents such as isopropanol, Toluene, benzyl alcohol, methyl ethyl ketone, N-methyl pyrrolidone, di- and triethylene glycol dimethyl ether as well as 3-methyl-3-methoxybutanol, which are the use of these emulsions in closed systems for reasons of occupational safety and health risks limit.
  • solvents such as isopropanol, Toluene, benzyl alcohol, methyl ethyl ketone, N-methyl pyrrolidone, di- and triethylene glycol dimethyl ether as well as 3-methyl-3-methoxybutanol, which are the use of these emulsions in closed systems for reasons of occupational safety and health risks limit.
  • German patent application P 195 19 268 relates to the use of compositions those for cleaning machine and plant parts in the production of pulp, Paper, cardboard and cardboard as well as to prevent contamination by adhesives and adhesive resins on such aggregates are used as emulsions and as Part of the oil phase saturated or unsaturated fatty acids monoalkyl esters and monooder Polyester of a saturated or unsaturated mono- or polyvalent carboxylic acid with 2 contain up to 30 carbon atoms and polyols.
  • EP 0 529 385 B1 describes a method for producing smoothness and / or gloss on paper surfaces described in which after heating and pressurizing the paper web is subjected to a shock treatment to fix the gloss and smoothness of the surface the preformed fibers.
  • Dicarboxylic acid esters especially adipic acid, phthalic acid, sebacic acid and Azelaic acid known for the production of plastic products and films.
  • the object of the invention is therefore, the adhesion effects, in particular that Gluing material webs to device parts of units such as rollers and Pressing tools in the thermal-mechanical surface treatment of sheet-like materials, especially paper and cardboard webs reduce or avoid, so the production of such webs with to enable improved surface properties and at the same time the existing process engineering options in the production of such better use of sheet-like materials, i.e. z. B. with higher throughput speeds and to be able to work at higher temperatures.
  • agents which are dialkyl dicarboxylates and / or esters of saturated and / or unsaturated C8-C18 Fatty acids with glycers and / or one and / or polyunsaturated CI6-C22 Contain fatty acids as an abhesive component.
  • the invention accordingly relates to a method for thermal mechanical Surface treatment of paper and cardboard webs, preferably with one Water content below 50% by weight, by simultaneously or immediately successive exposure to heat and pressure to produce special paper and cardboard qualities, using at least one Abhesive, which is characterized in that the abhesive Dicarboxylic acid dialkyl esters and / or esters of saturated and / or unsaturated C8-C18 fatty acids with glycerin and / or mono- and / or polyunsaturated C16-C22 Contains fatty acids.
  • dicarboxylic acid esters, esters of unsaturated and / or unsaturated C8-C18 fatty acids with glycerin and unsaturated C16-C22 fatty acids a surprising abhesive effect on the thermo-mechanical Perform the machining process so that the materials stick to parts of the device, how heated roller or press surfaces are reduced or completely omitted.
  • the use of the agents according to the invention is particularly in the production of paper and Cardboard webs and especially in the production of surface-treated special papers as well as for coating, smoothing or satinizing.
  • the abhesive agents to be used according to the invention are preferably dicarboxylic acid esters Dicarboxylic acid dialkyl and / or diisoalkyl esters of C2 - C12 dicarboxylic acids with C1 - C13 n- and / or iso-alkanols, such as di-n-butyl oxalate, di-n-butylmalonate, di-n-butyl succinate, din-butyl glutarate, Di-n-butyl adipate, di-n-butyl suberate, di-n-butyl sebacate, dimethyl adipate, diethyl adipate, Di-n-propyl adipate, diisopropyl adipate, diisobutyl adipate, di-tert-butyl adipate, diisoamyl adipate, Di-n-hexyl adipate, di- (2-ethy
  • Esters of saturated and / or unsaturated C8 to C18 fatty acids are also to be used with glycerin, z.
  • esters of adipic acid or sorbitan are preferably used and particularly preferably the adipic acid esters of C1 to C6 n- and / or iso-alkanols, such as dimethyl adipate. Diethyl adipate, di-n-isopropyl adipate and diisopropyl adipate, di-n-butyl adipate and / or Diisobutyl adipate, as well as glycerol trioleate and the mixed esters from the above Dicarboxylic acids and different C1 - C6 n- and / or iso-alkanols.
  • the unsaturated fatty acids to be used as abhesive agents according to the invention are unsaturated C16 - C22 carboxylic acids, preferably oleic acid, linoleic acid, linolenic acid, Eleaostearic acid and 5, 9, 12 octadecantrienoic acid, which as mixtures in vegetable and Animal oils occur and are known for example as tall oil fatty acids.
  • esters and unsaturated fatty acids are directly or as diluted or concentrated water-containing or water-free solution or in the form of water-containing dispersions used.
  • Suitable solvents are n- and iso-alkanols, liquid hydrocarbons, Acetone and other known solvents, especially natural oils or modified natural oils, such as beet oil methyl ester.
  • the abhesive ester and unsaturated fatty acids can be used alone or in combination with such water-soluble or water-insoluble solvents to form emulsions dispersed, non-ionic, ionic and amphoteric.
  • nonionic and anionic surfactants can be used as emulsifiers.
  • Suitable nonionic emulsifiers are, for example, oxalkyl ethers, preferably Oxethylates and / or terminally blocked oxethylates of fatty alcohols and fatty acids or Oil.
  • Anionic emulsifiers are alkyl and / or aryl sulfonates, ⁇ -olefin sulfonates, ⁇ -sulfo fatty acid esters, Sulfosuccinic acid esters as well as alkyl sulfates and ether sulfates as well carboxymethylated oxethylates and soaps.
  • the production of the preferably stable emulsions are known.
  • the hydrophobic Phase which contains the abhesive component, entered in the aqueous emulsifier-containing phase and dispersed with stirring or pumping.
  • the thermally stable abhesive agents according to the invention can be applied directly the surfaces of the devices, e.g. B. applied by rollers and and presses, but they can also impregnating liquid or paper coating or added to the dampening water or steam during the pre-moistening or, preferably shortly after the impregnation or application plant or directly in front of the smoothing roller on the finished paper web be applied.
  • the abhesive agent according to the invention is preferably the superheated steam for steam humidification, preferably continuously, metered in, the volatile abhesive, for example dissolved in a water-miscible solvent such as ethanol, isopropanol or acetone is metered in.
  • a water-miscible solvent such as ethanol, isopropanol or acetone
  • the amount of the abhesive used can be determined by the amount applied to the surfaces of the devices, e.g. B. from rollers and presses, depending on the required effect, the desired temperature increase or other process measures. Usually 0.1 to 10.0 g / m 2 , preferably 0.1 to 5 g / m 2 of the abhesive is applied to the surface of the aggregate. When metering into the superheated steam line, 0.1 to 10.0 kg / hour. Abhesive, preferably 0.2 to 4.0 kg / h. Abhesive added to the steam. The amounts given relate in each case to the active substance of an anti-abhesive composition.
  • the abhesive agents can also be used as a mixture or as a mixture with known ones Abhesives are used.
  • compositions according to the invention makes pigment-coated papers more significant Improvement of the surface properties, especially the smoothness, the gloss and the micro-roughness, while the bulk density of the paper web remains unchanged.
  • the paper properties of the papers treated according to the invention reach during processing almost one level of quality in one process step, previously only possible through two Soft calendering was possible.
  • the invention is illustrated by the following examples; here the substance-related Percentages in each case on the weight of the components.
  • the counter roll was a cotton hard paper roll analogous to a conventional hard nip calender construction.
  • thermostable abhesive agent consisting of 1.85 Parts by weight of a nonionic vegetable oil ethoxylate, 17.1 parts by weight of water and 3.1 parts by weight of di-n-butyl adipate, on the heating roller (steel) and further heating the The heating roller did not strongly adhere the paper web to the steel roller until the surface temperature from 150 ° C.
  • untreated and treated Heating roller had the effect of sticking when using the abhesive only after a temperature increase of over 70 ° C.
  • the way of working possible in this way with increased heating of the material web the smoothness increased by approx. 755 Bekk-s to approx.
  • a latex-impregnated and coated abrasive base paper of 120 g / m 2 according to Example 1 was moistened to approx. 13%, stored in a closed plastic bag for approx. 1 hour for the purpose of uniform moisture distribution and then satinized. While the paper web again began to stick strongly at a surface temperature of the untreated steel roller above 60 ° C, the adhesive of the paper web to the steel roller treated with the thematically stable abhesive agent according to Example 1 only occurred at a surface temperature of approx. 140 ° C, the improvements Due to the higher moisture content of the paper webs before the satin finish (13%, instead of 6% in Example 1), the surface properties of the processed abrasive base paper was even clearer than the improvements described in Example 1.
  • the counter roll had a fiber / plastic cover of 91 ° Sh D hardness analogous to a soft calendar construction.
  • the calendering was carried out with a moisture content of the paper samples of 7.7 and 9.7%. at Heating roller surface not treated according to the invention already occurred at a surface temperature from 70 ° C a slight sticking or with the paper sample with a higher moisture content a strong sticking on. None could surface temperatures of over 80 ° C of the two pre-moistened papers can be adjusted because the sticking effect Wrinkling in the paper web led.
  • Example 1 After a surface treatment of the heating roller with the thermally stable abhesive according to Example 1 could not visually stick the paper webs at the maximum possible Surface temperature can be determined.
  • the reduction in thickness and rigidity were in the range of the values of Example 1.
  • Strips approx. 20 cm wide and approx. 80 cm long of a furniture film of 70 g / m 2 pre-impregnated with a mixture of latex and urea-formaldehyde resin and having a latex / resin content of approx. 30% were heated in a two-roll calender according to Example 1 the steel roller is smoothed to the maximum possible surface temperature of 150 ° C.
  • the paper had been brought to different moisture contents of 2.5%, 6.4%, 7.1% and 9.4% and then stored separately in a sealed plastic bag for 1 hour.
  • thermo-stable one Abhesive consisting of 4.2 parts by weight of di- (2-ethylbutyl) adipate, 23.2 Parts by weight of water and 2.5 parts by weight of a nonionic surfactant, treated.
  • Example 4 The experiments were repeated analogously to Example 4 with a pre-impregnated furniture film of 80 g / m 2 , but with a very high filler content, the individual samples again differing in moisture content of 2.5%, 5.8%, 6.4% and 8 , 5% were set.
  • the untreated steel roller with a surface temperature of 150 ° C already showed 5.8% sticking effects on the sample with a humidity, which became increasingly stronger in samples with higher web moisture.
  • a thermally stable abhesive consisting of 4.2 parts by weight of diisodecyl adipate, 23.2 parts by weight of water and 2.5 parts by weight of a nonionic surfactant, a light surface only became visible at a web moisture of 8.5% Sticking noted.
  • Example 4 The experiments were repeated analogously to the conditions of Example 4 with samples of a silicone base paper of 62 g / m 2 pigmented on one side.
  • the coating was 5 g / m 2 with a very high latex content of over 40%.
  • the samples were pre-moistened to 4.5%, 8.1%, 9.2% and 12.0% respectively and again stored separately. After heating the steel roller to the maximum possible surface temperature of 150 ° C, a slight sticking occurred on the untreated roller side at 12%.
  • sandpaper was applied with a finish at a line pressure of 400 bar satin, the surface of the steel cylinder on Temperatures of 70 ° C or 130 ° C was set.
  • Various abhesives were used tested in the form of an oil-in-water emulsion, with the abhesive on the surface by rubbing in the heated steel cylinder.
  • the emulsions were from 2.0 parts by weight of a fatty alcohol oxyethylate, 11.6 parts by weight of water and 1.3 Parts by weight of the abhesive component are formed.
  • the adhesive behavior during calendering as well as the flatness of the satin paper with the features: easy rolling (+), almost level flatness (++) and ideal flatness (+++) assessed. When sticking (+) the paper on The surface of the roll was twisted to a crepe paper-like state.
  • thermo-stable abhesive of papers with regard to wetting with water, water-based paints or aqueous gravure inks.
  • the abhesive was applied in a ratio of 1 to a furniture pre-impregnate according to Example 4: 1 or 1:10 diluted with water using a laboratory doctor applicator and then in a two-roll laboratory calender, according to Example 1, with the highest possible Line pressure and a surface temperature of the heated steel roller of 150 ° C satin.
  • the smoothness level of the paper samples thus satin was 300 ⁇ 30 Bekk-s smoothness.
  • a comparison sample was also a laboratory-patterned paper sample with approx. 300 Bekk-s, but without used this surface application.
  • the data in Table 2 show that the The abrasive agent did not significantly change the contact angle to the water in the satined sample is, while the gloss after painting by using the abhesive a significant improvement is achieved in a 1: 1 mixing ratio with water.
  • the gravure printability is changed insignificantly compared to the comparison sample.
  • the completely volatile abhesive consisting of a 10% solution of di-n-butyl adipate in isopropanol was continuously introduced into the at a dosage of 1 l / h Heating steam line introduced for the lower steam humidifier.
  • the experiment was carried out in the sub-steps of version no. 201 to version no. 204 performed. in this connection as much steam should be applied to the paper web before the first pass until an increasing occupancy of the heated smoothing roller (steel) was observed.

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EP97920715A 1996-04-26 1997-04-18 Verfahren zur oberflächenbehandlung von flächenförmigen materialbahnen, insbesondere aus papier und karton unter verwendung von abhäsivmitteln Expired - Lifetime EP0895553B1 (de)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE19616733 1996-04-26
DE19616733A DE19616733C2 (de) 1996-04-26 1996-04-26 Verfahren zur thermisch-mechanischen Oberflächenbehandlung von flächenförmigen Materialbahnen, insbesondere aus Papier und Karton unter Verwendung von Abhäsivmitteln
PCT/EP1997/001953 WO1997041300A1 (de) 1996-04-26 1997-04-18 Verfahren zur oberflächenbehandlung von flächenförmigen materialbahnen, insbesondere aus papier und karton unter verwendung von abhäsivmitteln

Publications (2)

Publication Number Publication Date
EP0895553A1 EP0895553A1 (de) 1999-02-10
EP0895553B1 true EP0895553B1 (de) 2003-09-03

Family

ID=7792544

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Application Number Title Priority Date Filing Date
EP97920715A Expired - Lifetime EP0895553B1 (de) 1996-04-26 1997-04-18 Verfahren zur oberflächenbehandlung von flächenförmigen materialbahnen, insbesondere aus papier und karton unter verwendung von abhäsivmitteln

Country Status (10)

Country Link
US (1) US6156387A (ja)
EP (1) EP0895553B1 (ja)
JP (1) JP2000509110A (ja)
CN (1) CN1084817C (ja)
AT (1) ATE248949T1 (ja)
CA (1) CA2253191A1 (ja)
DE (2) DE19616733C2 (ja)
ID (1) ID17397A (ja)
RU (1) RU2179210C2 (ja)
WO (1) WO1997041300A1 (ja)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19959826A1 (de) * 1999-12-10 2001-06-28 Stockhausen Chem Fab Gmbh Verfahren zur Verminderung und/oder Vermeidung von Ablagerungen von Holzinhaltsstoffen
DE10111115A1 (de) * 2001-03-08 2002-10-02 Technocell Dekor Gmbh & Co Kg Rohpapier mit verbesserter Bedruckbarkeit
DE10112327A1 (de) * 2001-03-13 2002-10-02 Zanders Feinpapiere Ag Seidenglänzendes Tintenstrahlaufzeichnungsmaterial
US7416767B2 (en) * 2004-09-30 2008-08-26 Graphic Packaging International, Inc. Anti-blocking coatings for PVdc-coated substrates
US7404999B2 (en) * 2004-09-30 2008-07-29 Graphic Packaging International, Inc. Anti-blocking barrier composite
EP1889641A1 (de) * 2006-08-18 2008-02-20 Cognis IP Management GmbH Kosmetische Zusammensetzungen enthaltend Ester auf Basis von 2-Ethylbutanol

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0648820A2 (en) * 1993-10-07 1995-04-19 Qyentos Corporation Chemical composition for removing organic adherent matters
EP0828889A1 (de) * 1995-05-31 1998-03-18 STOCKHAUSEN GmbH & CO. KG Verwendung von mitteln zur zellstoff- und papierherstellung

Family Cites Families (10)

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Publication number Priority date Publication date Assignee Title
US2950210A (en) * 1958-12-08 1960-08-23 Harold D Schrier Coating composition
BE621221A (ja) * 1962-03-23
US3455726A (en) * 1966-02-10 1969-07-15 Grace W R & Co Paper article coated with a slip coating of a partial ester of a fatty acid
US3505844A (en) * 1966-08-22 1970-04-14 Reynolds Metals Co Rolling lubrication
US4110155A (en) * 1971-07-17 1978-08-29 Fuji Photo Film Co., Ltd. Method of manufacturing synthetic resin coated papers
US3946135A (en) * 1974-11-07 1976-03-23 Scott Paper Company Release coating composition and release papers prepared therefrom
US4776970A (en) * 1985-11-20 1988-10-11 San Nopco Limited Lubricant for use in paper coating and method for producing the same
DE3635490A1 (de) * 1986-10-18 1988-04-21 Basf Ag Verwendung von polycarbonsaeureestern in voll- oder teilsynthetischen schmiermitteln und schmiermittel, die diese ester enthalten
DE3643935C2 (de) * 1986-12-22 1995-07-06 Henkel Kgaa Synthetische Polyolester
DE4422470A1 (de) * 1994-06-28 1996-01-11 Hiendl Heribert Betontrennmittel

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0648820A2 (en) * 1993-10-07 1995-04-19 Qyentos Corporation Chemical composition for removing organic adherent matters
EP0828889A1 (de) * 1995-05-31 1998-03-18 STOCKHAUSEN GmbH & CO. KG Verwendung von mitteln zur zellstoff- und papierherstellung

Also Published As

Publication number Publication date
CN1084817C (zh) 2002-05-15
CN1222210A (zh) 1999-07-07
DE59710694D1 (de) 2003-10-09
WO1997041300A1 (de) 1997-11-06
EP0895553A1 (de) 1999-02-10
ID17397A (id) 1997-12-24
JP2000509110A (ja) 2000-07-18
ATE248949T1 (de) 2003-09-15
CA2253191A1 (en) 1997-11-06
US6156387A (en) 2000-12-05
DE19616733C2 (de) 2000-07-13
RU2179210C2 (ru) 2002-02-10
DE19616733A1 (de) 1997-11-06

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