EP1817455B1 - Cellulosehaltiger füllstoff für papier-, tissue- oder kartonprodukte sowie herstellungsverfahren hierfür sowie einen solchen füllstoff enthaltendes papier-, tissue- oder kartonprodukt oder hierfür verwendete trockenmischung - Google Patents

Cellulosehaltiger füllstoff für papier-, tissue- oder kartonprodukte sowie herstellungsverfahren hierfür sowie einen solchen füllstoff enthaltendes papier-, tissue- oder kartonprodukt oder hierfür verwendete trockenmischung Download PDF

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Publication number
EP1817455B1
EP1817455B1 EP05824751.1A EP05824751A EP1817455B1 EP 1817455 B1 EP1817455 B1 EP 1817455B1 EP 05824751 A EP05824751 A EP 05824751A EP 1817455 B1 EP1817455 B1 EP 1817455B1
Authority
EP
European Patent Office
Prior art keywords
starch
paper
filler
mill
cellulose
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.)
Revoked
Application number
EP05824751.1A
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German (de)
English (en)
French (fr)
Other versions
EP1817455A1 (de
Inventor
Alex Ozersky
Ralf Recknagel
Hans-Georg Brendle
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.)
J Rettenmaier and Soehne GmbH and Co KG
Original Assignee
J Rettenmaier and Soehne GmbH and Co KG
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
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Application filed by J Rettenmaier and Soehne GmbH and Co KG filed Critical J Rettenmaier and Soehne GmbH and Co KG
Priority to PL05824751T priority Critical patent/PL1817455T3/pl
Publication of EP1817455A1 publication Critical patent/EP1817455A1/de
Application granted granted Critical
Publication of EP1817455B1 publication Critical patent/EP1817455B1/de
Anticipated expiration legal-status Critical
Revoked 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
    • 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
    • D21H17/21—Macromolecular organic compounds of natural origin; Derivatives thereof
    • D21H17/24—Polysaccharides
    • D21H17/25—Cellulose
    • 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
    • D21H11/00—Pulp or paper, comprising cellulose or lignocellulose fibres of natural origin only
    • D21H11/16—Pulp or paper, comprising cellulose or lignocellulose fibres of natural origin only modified by a particular after-treatment
    • 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
    • D21H17/63—Inorganic compounds
    • D21H17/67—Water-insoluble compounds, e.g. fillers, pigments
    • 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
    • D21H17/63—Inorganic compounds
    • D21H17/67—Water-insoluble compounds, e.g. fillers, pigments
    • D21H17/69—Water-insoluble compounds, e.g. fillers, pigments modified, e.g. by association with other compositions prior to incorporation in the pulp or paper

Definitions

  • the invention relates to a cellulose-containing filler for paper, tissue or paperboard products and to manufacturing processes therefor, and to a paper, tissue or paperboard product or dry mix used for such a filler according to the preambles of claims 1, 39, 52 and 38, respectively.
  • cellulosic fibers made of various vegetable raw materials have been used as the raw material for the production of paper and cardboard.
  • These long-fiber products are the basis of paper and board production; Without them, no paper or cardboard can be produced. Their bond leads to the necessary sheet formation. They can differ in the degree of purity as well as in the fiber structure (freeness ° SR). Highly purified, lignin-free celluloses are known as well as lignin-containing fibers (groundwood, CTMP) and recycled fibers, which are obtained from waste paper and are accordingly still contaminated with various impurities.
  • Finely divided products such as native starch, calcium carbonate, kaolin or titanium dioxide are used in the production process of board and paper mills for various reasons. Due to their small particle size, these products are easily washed out of the paper web. Additional measures are needed to achieve retention in the paper web, at least to some extent. But this involves higher costs and other technological disadvantages. According to the literature, on polymer paper machines running at high speed (> 1500 m / min), the retention rate of fillers and pigments is currently often below 40% despite polymeric retention agents.
  • the EP 0930 345 A2 discloses a filler for the production of papers, in order to be able to increase the content of filler in the paperboard, while maintaining sufficient tear resistance.
  • a pigment very specifically an inorganic pigment, is mixed with fibrillated cellulose in a liquid state. This is intended to solve the problem of producing a high-quality paper despite reduced consumption of raw material, the desired opacity, which requires a higher filler content in the paper, to be achieved without reducing other paper properties, such as its strength.
  • GB 1 287 576 discloses a process for producing inorganic white pigments containing optical brighteners and corresponding pigment preparations as well as their use in colored plastics.
  • GB 1 25960 The task is to increase the retention of titanium dioxide during the production process of paper. For this purpose, she proposes to coat titanium dioxide particles with aminated polysekerides.
  • GB 1 363 016 relates to a process for producing filled paper containing agglomerates of mineral particles in the presence of water and a swellable organic material of synthetic ceramics, starch or alginate.
  • EP 1 172 478 A1 relates to a process for loading fibers contained in a pulp suspension with calcium carbonate
  • WO 97/01 670 discloses a papermaking filler consisting essentially of calcium carbonate deposited on the surface of "Noil-fibrils”.
  • the invention binds additives for paper, tissue or paperboard production to the cellulosic component of the filler, so that they remain adhering to the fibers to a considerable extent even in aqueous suspensions.
  • liquid substrates such as wet strength agents or optical brighteners, which are used in the paper formulations anyway. Since these fibers are coarse enough to remain in the paper web without additional effort, the finely divided components adhering to the surface are also held in the paper web.
  • the novel development of the invention provides better retention on the sheet former.
  • the fixation reduces the amount of expensive additives and reduces the wastewater load.
  • complex processes such as starch cooking or size press are replaced by simpler processes in the paper mill.
  • the filler according to the invention comprises cellulose, lignocellulose or microcrystalline cellulose (i.e., a cellulosic component), it also means cellulose-containing precursors or intermediates which comprise other vegetable ingredients such as protein, protein, starch and / or mineral components and others. It is therefore not absolutely necessary to drive too far a chemical treatment of the vegetable raw material. Rather, vegetable ingredients may be included in the cellulosic component, the proportion of which should not exceed 25% of the total cellulosic component.
  • the particle sizes of the cellulosic component will preferably be limited to not more than 1 mm particle size, preferably not more than 0.5 mm particle size, with no restriction being required for smaller particle sizes, since nanoscale particle sizes can also be used successfully.
  • the particle sizes are preferably not more than 0.1 mm, preferably not more than 0.05 mm. Again, a limitation of the particle size down is not required. Rather, it is important to ensure that the particle size of the additives used is generally lower, preferably significantly lower than the particle size of the cellulosic component.
  • the mass ratio between the cellulosic component and the additive component is preferably not less than 1 to 10, and more preferably not less than 2 to 10. In the direction of larger mass ratios, no restriction is required because very small amounts of additive may be sufficient to achieve the desired effect paper, tissue or board production. Otherwise, it is also possible to apply the additives in several layers to the particles of the cellulosic component. This allows the achievement of very small mass ratios of cellulosic component to additive component.
  • additives are not only additives in pure form into consideration. Rather, the raw materials contained in the additive can also be introduced into the production process of the filler according to the invention, so that the raw material preparation and the fixing or coating of the additives on the particles of the cellulosic component takes place in one working process.
  • starch-containing raw materials such as soft wheat semolina, oat bran fractions, and extruded or cooked pregelatinized starches are used, on the one hand to increase the strength of the paper or cardboard or on the other hand to improve the internal bond between fiber and coating substrate and the "dusting" to decrease from the paper.
  • nanodisperse celluloses e.g. based on a microcrystalline cellulose, to provide a carrier, e.g. for optical brighteners to at least partially replace additives such as polyvinyl alcohol, spray starch and CMC and to improve printability.
  • Laboratory sheets were prepared at 6.00 g at 35 ° SR and a concentration of 6 g / 4 liters.
  • the handsheets were dried in a drying oven at 125 ° C for 2 hours and conditioned at room temperature for 4 hours.
  • the drop test was carried out as a rapid test with 75% formic acid. Especially when tested with the Emtec Penetration Tester and the Cobb 300 value, the result is an improved sizing result.
  • Headbox was OCC Fumish 60 °, gray fiber, grammage 200 g / m 2 , freeness 31 ° SR. Laboratory sheets were made with 6 g per 4 liters on Rapid Köthen Blattressner and tested after drying and conditioning to Mullen burst index.
  • the dewatering performance in milliliters [ml] with the Dynamic Drainage Jar (Mytec) shows that the starch compounds can increase the drainage of the paper web and at the same time increase the strength after drying.
  • the titanium dioxide pigment used was a rutile pigment from Kronos called "Kronos 2050". 20 grams of compounds were stirred in a Waring Blender with 200 ml of water for 1 minute, then diluted to 2 L of water and stirred with magnetic stirrers for 5 minutes, then filtered through a 45 ⁇ m PP Tissue fabric (air flow 440 L / m 2 min). The ash values were determined in a muffle furnace at 850 ° C.
  • Optical brighteners from Ciba Pfersee were used to increase the whiteness of the ARBOCEL BER 40 cellulose fibers. These components are in turn suitable in the mixture for the color lightening of celluloses and MCC, in particular for the reduction of the b * value.
  • the brightness values achieved allow a reformulation of the paper pulp with regard to "light fastness" and formulation costs.
  • the freeness was determined according to Schopper Riegler according to ISO 5267/1. In each case, the freeness was counter checked at 35-750 ml drainage with the DDJ drainage meter, with 1000 ml for 60 seconds at 3.0% TS and 20 ° C on 60 mesh ° SR sieve. The amount of filtrate [ml] after 60 seconds corresponds to the CSF value [ml].
  • the whiteness [% ISO] was measured as a reflection at 460 nm using the Minolta CM 3600 colorimeter, CIE or Hunter color values.
  • the ash content was determined in a muffle furnace at 450 ° C. (after 5 hours) or 850 ° C. (after 8 hours).
  • the starch content was determined by an iodometric titration according to Tappi T 419 om-91.
  • the fiber suspension is dewatered on a sieve with constant stirring - without the formation of a filter layer.
  • the total and filler retention can be calculated.
  • Fiber structure Fiber length particle size freeness White [460 nm] microns ° SR % ISO LIGNOCEL C 120 lignocellulose 120 11-12 54 - 57 LIGNOCEL CB 120 lignocellulose 120 50 - 55 ARBOCEL B 600 cellulose 60 86 - 90 ARBOCEL C 100 lignocellulose 100 10-11 55 - 56 ARBOCEL C 750 lignocellulose 80 14-16 58 - 60 VIVAPUR 101 Microcrystalline cellulose 50 85-91 ARBOCEL C 750 BRIGHT Bleached lignocellulose 80 16-18 70 - 73 ARBOCEL CW 630 PU 40 60 - 61 ARBOCEL E 140 lignocellulose 120 57 - 58
  • micro-composites are particles smaller than 500 ⁇ m, which consist of several phases - for example cellulose, lignin and starch].
  • Wood pulp is a TMP wood fiber that has been produced by a wood grinder and is generally a softwood long fiber.
  • CTMP is a bleached chemo-thermo-mechanical pulp, a bleached, high-temperature, chemical-treated pulp containing many wood constituents unlike pulp].
  • Retention agents provide a high molecular weight via bridging or via cationic charge together with inorganic fines and prevent the leaching of very fine particles during the formation of the leaves, so they retain these particles].
  • ["Fiber Loading” is a special coating process that, for example, provides a coating layer of calcium carbonate on the fiber from aqueous calcium hydroxide solution and carbon dioxide gas].
  • ["Mullen Burst" provides the bursting pressure [kPa] and the bursting index [kPa m 2 / g] in the dry state, according to Tappi Method T 80-7; is therefore a measure of the mechanical strength of paper or cardboard].
  • ["Ply Bond” provides the internal ply strength [kPa] measured in the tensile direction in the vertical direction according to Tappi Method UM 808].
  • the "breaking length” is a measure of the static tensile strength [km] below the dead weight of the blade, similar to the maximum breaking load, but with constant deflection according to Tappi Method T 494 (DIN 53112)].
  • enzymes such as ligninases or cellubiohydrolases are useful.
  • Basis of the wet-strength agent may be polyamidoamine-epichlorohydrin, melamine-formaldehyde or urea-formaldehyde].
  • Optical fluorescent brighteners are all organic molecules that can absorb UV light and emit blue visible light].
  • NMC microcrystalline cellulose
  • Water repellents in the paper industry are in particular the chemicals Alkylketendimer (AKD), Alkenylketendimer, alkyl succinic acid and its derivatives (A-SA), hydrocarbon resins and rosins, fluorocarboxylic acids, polycarboxylic acids, fluoroorgans, acid amides, fluorine-containing silanes, fluorosiloxanes, and acidic papers also alums and aluminum sulphate].
  • ALD Alkylketendimer
  • A-SA alkenylketendimer
  • A-SA alkyl succinic acid and its derivatives
  • hydrocarbon resins and rosins hydrocarbon resins and rosins
  • fluorocarboxylic acids polycarboxylic acids
  • fluoroorgans fluoroorgans
  • acid amides fluorine-containing silanes
  • fluorosiloxanes fluorosiloxanes
  • acidic papers also alums and aluminum sulphate
  • Nara Hybridizer is a pilot plant from the company Nara for dry comminution, process similar to an impeller mill].
  • SAE polymers are styrene-acrylate copolymers as used for paper sizing].
  • SC Paper Supercalendered Paper
  • SC Paper is a type of paper that has been given a very homogeneous smooth surface via calender
  • tissue is a nonwoven with a grammage of about 8 - 35 g / m 2 ].
  • Coupled value 300 determines the amount of water taken up by a sized paper in a specific time span (here: 300 seconds) under standard conditions, according to Tappi Method T 441 and EN ISO 20535].
  • the “drop test” is carried out by means of a micropipette and determines the time until the absorption of a certain amount of liquid water or water-isopropanol mixture].
  • the iodometric quantitative starch detection is carried out by titration with an iodine titre solution.
  • the "Rapid Köthen Sheet Former” is a pilot plant for the production of standardized laboratory sheets with a diameter of 200 mm].
  • the "Waring Blender” is a machine with a fast-running rotor for mixing liquids].
  • ["AP substance" is a waste paper pulp of the European variety A 12 or comparable quality].
  • the SR sieve is a mesh sieve as used for the Schopper-Riegler measurement.

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  • Chemical & Material Sciences (AREA)
  • Inorganic Chemistry (AREA)
  • Paper (AREA)
EP05824751.1A 2004-11-03 2005-11-03 Cellulosehaltiger füllstoff für papier-, tissue- oder kartonprodukte sowie herstellungsverfahren hierfür sowie einen solchen füllstoff enthaltendes papier-, tissue- oder kartonprodukt oder hierfür verwendete trockenmischung Revoked EP1817455B1 (de)

Priority Applications (1)

Application Number Priority Date Filing Date Title
PL05824751T PL1817455T3 (pl) 2004-11-03 2005-11-03 Zawierający celulozę wypełniacz do produktów z papieru, bibułki lub kartonu, jak i sposób jego wytwarzania, oraz zawierający taki wypełniacz produkt z papieru, bibułki lub kartonu lub użyta dot ego sucha mieszanina

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102004053654 2004-11-03
PCT/EP2005/011758 WO2006048280A1 (de) 2004-11-03 2005-11-03 Cellulosehaltiger füllstoff für papier-, tissue- oder kartonprodukte sowie herstellungsverfahren hierfür sowie einen solchen füllstoff enthaltendes papier-, tissue- oder kartonprodukt oder hierfür verwendete trockenmischung

Publications (2)

Publication Number Publication Date
EP1817455A1 EP1817455A1 (de) 2007-08-15
EP1817455B1 true EP1817455B1 (de) 2013-04-10

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EP05824751.1A Revoked EP1817455B1 (de) 2004-11-03 2005-11-03 Cellulosehaltiger füllstoff für papier-, tissue- oder kartonprodukte sowie herstellungsverfahren hierfür sowie einen solchen füllstoff enthaltendes papier-, tissue- oder kartonprodukt oder hierfür verwendete trockenmischung

Country Status (5)

Country Link
US (1) US20080265222A1 (pl)
EP (1) EP1817455B1 (pl)
ES (1) ES2424293T3 (pl)
PL (1) PL1817455T3 (pl)
WO (1) WO2006048280A1 (pl)

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CN116925454B (zh) * 2023-09-13 2023-11-28 山东科迈生物制浆有限公司 一种纸浆/聚乙烯复合材料及其制备方法

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US20080265222A1 (en) 2008-10-30
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WO2006048280A1 (de) 2006-05-11
EP1817455A1 (de) 2007-08-15

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