EP0285486A1 - Process for producing packaging paper and board - Google Patents

Process for producing packaging paper and board Download PDF

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Publication number
EP0285486A1
EP0285486A1 EP88400617A EP88400617A EP0285486A1 EP 0285486 A1 EP0285486 A1 EP 0285486A1 EP 88400617 A EP88400617 A EP 88400617A EP 88400617 A EP88400617 A EP 88400617A EP 0285486 A1 EP0285486 A1 EP 0285486A1
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European Patent Office
Prior art keywords
parts
cellulose fibers
per
paper
added
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EP88400617A
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German (de)
French (fr)
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EP0285486B2 (en
EP0285486B1 (en
Inventor
Lucien Bourson
Yves Bonnaud
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Arkema France SA
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Atochem SA
Elf Atochem SA
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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
    • D21H23/00—Processes or apparatus for adding material to the pulp or to the paper
    • D21H23/76—Processes or apparatus for adding material to the pulp or to the paper characterised by choice of auxiliary compounds which are added separately from at least one other compound, e.g. to improve the incorporation of the latter or to obtain an enhanced combined effect
    • D21H23/765—Addition of all compounds to the pulp
    • 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
    • D21H17/03—Non-macromolecular organic compounds
    • D21H17/05—Non-macromolecular organic compounds containing elements other than carbon and hydrogen only
    • D21H17/14—Carboxylic acids; Derivatives thereof
    • D21H17/15—Polycarboxylic acids, e.g. maleic acid
    • D21H17/16—Addition products thereof with hydrocarbons
    • 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
    • D21H17/03—Non-macromolecular organic compounds
    • D21H17/05—Non-macromolecular organic compounds containing elements other than carbon and hydrogen only
    • D21H17/17—Ketenes, e.g. ketene dimers
    • 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
    • D21H17/28—Starch
    • D21H17/29—Starch cationic
    • 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
    • D21H17/66—Salts, e.g. alums

Definitions

  • the present invention relates to a method for manufacturing paper and more particularly packaging paper and cardboard.
  • the raw paper pulp consisting essentially of cellulose fibers is put in the form of a dilute aqueous suspension which is brought into the headbox of the paper machine from where it is distributed on a filter cloth on which the sheet is formed. of paper. This sheet is then wrung and dried.
  • the qualities and properties of the paper obtained are determined in particular by the operating conditions of the paper machine, the raw pulp, the various additives that are added to the suspension before the sheet is formed and also the products that are coated. on the sheet of paper after the filter cloth.
  • the present invention relates more particularly to the products which are added before the sheet is formed.
  • Cellulose fibers come from raw pulp but often from recycled paper or cardboard, sometimes mixed with raw pulp.
  • British patent GB 2,015,614 describes a process for manufacturing wrapping paper and cardboard flutes in which cationic starch and a basic aluminum polychlorosulfate are added to the fiber suspension before the headbox. , or aluminum sulfate.
  • the amount of cationic starch does not exceed 0.4% of the weight of cellulose fibers. It is known that cationic starch contributes to the mechanical strength of the paper and it would be useful to be able to put much more than 0.4% in the suspension and especially to retain this starch in the sheet formed.
  • Starch is very hydrophilic and if we exceed an amount of 0.5% we can no longer form the sheet of paper on the filter cloth except by greatly reducing the productivity of the paper machine. According to the present invention, a new process has been found which makes it possible to use amounts of starch greater than 0.5% in the headbox of the paper machine.
  • the suspension containing the cellulose fibers can be raw or bleached pulp, or a mixture of raw pulp and bleached pulp. Very often we add used paper and cardboard to the previous mixture.
  • Cationic starch is a mixture of one or more products marketed under the generic name of cationic starch. These products are for example those described in KIRK OTHMER, 3rd edition, Vol. 21 page 503. The amount is advantageously between 0.5 and 5 parts per 100 parts of cellulose fibers, and preferably between 0.7 and 2.
  • the quantity of polychloride of aluminum expressed as Al2O3 to be used is advantageously less than 1 part per 100 parts of cellulose fibers and preferably between 0.02 and 0.3 parts.
  • products a and b can be added in any order and at any place before the headbox of the paper machine, it is preferred to add poly aluminum chloride after the cationic starch. It is also preferred that the poly aluminum chloride be added as close as possible to the headbox.
  • Cellulose fibers can also be added to the suspension before the sheet is formed, and in addition to products a and b , other products such as dyes.
  • one or more products chosen from polyacrylamides, polyethyleneimines, carboxymethylcellulose, urea-formaldehyde resins, melamine-formaldehyde resins, resins may be added in addition to the cationic starch.
  • aminopolyamide-epichlorohydrin, polyamide-epichlorohydrin resins are used in addition to the cationic starch and in the same quantities.
  • any bonding agent is suitable, it is advantageous to use rosin or a mixture of one or more products chosen from dimeric ketene alkyls and their derivatives, fluorinated phosphates, fatty chain carboxylic acid anhydrides, certain polyurethanes, styrene / maleic anhydride copolymers.
  • dimeric ketene alkyls and carboxylic acid anhydrides It is preferred to use dimeric ketene alkyls and carboxylic acid anhydrides.
  • the quantity to be used depends on the desired properties of the paper or the cardboard.
  • the amount is less than 10 parts per 100 parts of cellulose fibers and preferably between 0.1 and 2 parts.
  • the sizing agent is added before the poly aluminum chloride.
  • Another advantage of the invention in addition to the good mechanical properties obtained, is a large reduction in the matter in suspension in the water collected under the filter cloth during the formation of the sheet.
  • Another advantage of the invention is greater productivity of the paper machine and better internal cohesion. All these advantages will appear in the examples. The following examples illustrate the invention.
  • Example 2 The procedure is as in Example 2 but by adding 0.16 part of polychloride of aluminum as in Example 2 per 100 parts of cellulose fibers, one obtains: Machine speed: 220 m / min Total retention: 85% Mullen: 2.96 pH (in headbox): 7.2

Landscapes

  • Paper (AREA)
  • Making Paper Articles (AREA)
  • Wrappers (AREA)
  • Laminated Bodies (AREA)
  • Packaging Of Special Articles (AREA)
  • Cartons (AREA)

Abstract

1. Process for the manufacture of wrapping paper and of cardboard, characterized in that the following are added to the suspension containing the cellulose fibres before the sheet is formed : a) more than 0.5 parts by weight of cationic starch per 100 parts of cellulose fibres, b) less than 1 part by weigth, expressed as Al2 O3 , of aluminium polychloride per 100 parts of cellulose fibres.

Description

La présente invention concerne un procédé de fabrication du papier et plus particulièrement le papier d'emballage et le carton.The present invention relates to a method for manufacturing paper and more particularly packaging paper and cardboard.

La pâte à papier brute constituée essentiellement de fibres de cellulose est mise sous forme d'une suspension aqueuse diluée qui est amenée dans la caisse de tête de la machine à papier d'où elle est distribuée sur une toile filtrante sur laquelle se forme la feuille de papier. Cette feuille est ensuite essorée puis séchée. Les qualités et les propriétes du papier obtenues sont déterminées notamment par les conditions de marche de la machine à papier, la pâte brute, les diffé­rents additifs qu'on ajoute dans la suspension avant la formation de la feuille et aussi les produits qu'on couche sur la feuille de papier après la toile filtrante.The raw paper pulp consisting essentially of cellulose fibers is put in the form of a dilute aqueous suspension which is brought into the headbox of the paper machine from where it is distributed on a filter cloth on which the sheet is formed. of paper. This sheet is then wrung and dried. The qualities and properties of the paper obtained are determined in particular by the operating conditions of the paper machine, the raw pulp, the various additives that are added to the suspension before the sheet is formed and also the products that are coated. on the sheet of paper after the filter cloth.

La présente invention concerne plus spécialement les produits qu'on ajoute avant la formation de la feuille.The present invention relates more particularly to the products which are added before the sheet is formed.

La principale qualité recherchée pour l'emballage est la solidité, il peut aussi être intéressant de rendre le papier résistant à l'humi­dité. Les fibres de cellulose proviennent de pâte à papier brute mais souvent de papiers ou cartons recyclés, parfois mélangés avec de la pâte brute.The main quality sought for packaging is solidity, it can also be interesting to make paper resistant to humidity. Cellulose fibers come from raw pulp but often from recycled paper or cardboard, sometimes mixed with raw pulp.

Le brevet anglais GB 2 015 614 décrit un procédé de fabrication du papier d'emballage et des cannelures du carton dans lequel on ajoute à la suspension de fibres, avant la caisse de tête, de l'amidon cationi­que et un polychlorosulfate basique d'aluminium, ou du sulfate d'alumi­nium. La quantité d'amidon cationique ne dépasse pas 0,4 % du poids de fibres de cellulose. On sait que l'amidon cationique contribue à la résistance mécanique du papier et il serait utile de pouvoir en mettre beaucoup plus de 0,4 % dans la suspension et surtout de retenir cet amidon dans la feuille formée. Or l'amidon est très hydrophile et si on dépasse une quantité de 0,5 % on ne peut plus former la feuille de papier sur la toile filtrante sinon en réduisant fortement la producti­vité de la machine à papier. Selon la présente invention, on a trouvé un nouveau procédé qui permet d'utiliser des quantités d'amidon supé­rieures à 0,5 % dans la caisse de tête de la machine à papier.British patent GB 2,015,614 describes a process for manufacturing wrapping paper and cardboard flutes in which cationic starch and a basic aluminum polychlorosulfate are added to the fiber suspension before the headbox. , or aluminum sulfate. The amount of cationic starch does not exceed 0.4% of the weight of cellulose fibers. It is known that cationic starch contributes to the mechanical strength of the paper and it would be useful to be able to put much more than 0.4% in the suspension and especially to retain this starch in the sheet formed. Starch is very hydrophilic and if we exceed an amount of 0.5% we can no longer form the sheet of paper on the filter cloth except by greatly reducing the productivity of the paper machine. According to the present invention, a new process has been found which makes it possible to use amounts of starch greater than 0.5% in the headbox of the paper machine.

La présente invention est un procédé de fabrication du papier d'emballage et du carton caractérisé à ce qu'on ajoute à la suspension contenant les fibres de cellulose avant la formation de la feuille :

  • a) plus de 0,5 partie d'amidon cationique pour 100 parties de fibres de cellulose,
  • b) du polychlorure d'aluminium
The present invention is a process for manufacturing wrapping paper and cardboard, characterized in that the suspension is added containing cellulose fibers before the sheet is formed:
  • a) more than 0.5 part of cationic starch per 100 parts of cellulose fibers,
  • b) poly aluminum chloride

La suspension contenant les fibres de cellulose peut être de la pâte brute ou blanchie, ou un mélange de pâte brute et de pâte blan­chie. Très souvent on ajoute des papiers et des cartons usagés au mélange précédent.The suspension containing the cellulose fibers can be raw or bleached pulp, or a mixture of raw pulp and bleached pulp. Very often we add used paper and cardboard to the previous mixture.

L'amidon cationique est un mélange d'un ou plusieurs produits commercialisés sous le nom générique d'amidon cationique. Ces produits sont par exemple ceux décrits dans KIRK OTHMER, 3ème édition, Vol. 21 page 503. La quantité est avantageusement comprise entre 0,5 et 5 parties pour 100 parties de fibres de cellulose, et de préférence comprise entre 0,7 et 2.Cationic starch is a mixture of one or more products marketed under the generic name of cationic starch. These products are for example those described in KIRK OTHMER, 3rd edition, Vol. 21 page 503. The amount is advantageously between 0.5 and 5 parts per 100 parts of cellulose fibers, and preferably between 0.7 and 2.

Le polychlorure d'aluminium désigne les produits qu'on appelle habituellement "polychlorure d'aluminium", "polychlorure basique d'aluminium", "polychlorosulfate basique d'aluminium" et de préférence un ou plusieurs produits suivants :

  • 1/ le sel de formule :
          Aln(OH)mCl3n-m      (I)
    dans laquelle n est quelconque, 3n-m est positif, m et n étant des nombres entiers positifs ; ledit sel pouvant contenir en outre un anion polyvalent Y choisi parmi les anions des acides sulfuriques, phosphoriques, polyphosphoriques, siliciques, chromique, carboxyliques et sulfoniques, le rapport molaire
    Figure imgb0001
    étant de préférence compris entre 0,015 et 0,4.
  • 2/ le sel de formule :
          Aln(OH)mCl3n-m-2k(SO₄)k      (II)
    dans laquelle k, m et n sont des entiers positifs, 3n > m + 2k, la basicité m/3n est comprise entre 0,3 et 0,7 et k/n = 0,01 à 0,3. Ce produit peut être préparé selon le procédé décrit dans le brevet US 3 929 666 ;
  • 3/ le sel de formule :
          [Aln(OH)3n-m-2pClm(SO₄)p] z      (III)
    dans laquelle (3n-m-2p)/3n = 0,4 à 0,7 ; p = 0.04 à 0,25n ; m/p = 8 à 35 ; k, m, n et p sont des nombres entiers et z est au moins 1. Ce produit est décrit dans le brevet GB 2 128 977 ;
  • 4/ le chlorosulfate d'aluminium basique de formule :
          AlnOHm(SO₄)kCl3n-m-2k      (IV)
    dans laquelle la basicité ou le rapport molaire
    Figure imgb0002
    x 100 est compris entre 40 % environ et 65 % environ et en ce qu'il présente un rapport équivalent Al/équivalent Cl compris entre 2,8 et 5, une masse molécu­laire apparente MA mesurée par diffusion de lumière classique et des diamètres hydrodynamiques apparents ⌀Z et ⌀W mesurés par diffusion quasi-élastique de la lumière de valeurs suivantes :
          MA = 7000 - 35000
          ⌀Z (Å) = 350 - 2500
          ⌀W(Å) = 200 - 1200
    Ce produit est décrit dans le brevet français FR 2 584 699.
Poly aluminum chloride designates the products which are usually called "poly aluminum chloride", "basic aluminum polychloride", "basic aluminum polychloride" and preferably one or more of the following products:
  • 1 / the salt of formula:
    Al n (OH) m Cl 3n-m (I)
    in which n is arbitrary, 3n-m is positive, m and n being positive integers; said salt possibly containing a polyvalent anion Y chosen from anions of sulfuric, phosphoric, polyphosphoric, silicic, chromic, carboxylic and sulfonic acids, the molar ratio
    Figure imgb0001
    preferably being between 0.015 and 0.4.
  • 2 / the salt of formula:
    Al n (OH) m Cl 3n-m-2k (SO₄) k (II)
    in which k, m and n are positive integers, 3n> m + 2k, the basicity m / 3n is between 0.3 and 0.7 and k / n = 0.01 to 0.3. This product can be prepared according to the method described in US Patent 3,929,666;
  • 3 / the salt of formula:
    [Al n (OH) 3n-m-2p Cl m (SO₄) p ] z (III)
    in which (3n-m-2p) / 3n = 0.4 to 0.7; p = 0.04 to 0.25n; m / p = 8 to 35; k, m, n and p are whole numbers and z is at least 1. This product is described in patent GB 2,128,977;
  • 4 / the basic aluminum chlorosulfate of formula:
    Al n OH m (SO₄) k Cl 3n-m-2k (IV)
    in which the basicity or the molar ratio
    Figure imgb0002
    x 100 is between approximately 40% and approximately 65% and in that it has an Al equivalent / Cl equivalent ratio of between 2.8 and 5, an apparent molecular mass MA measured by conventional light scattering and apparent hydrodynamic diameters ⌀Z and ⌀W measured by quasi-elastic light scattering with the following values:
    MA = 7000 - 35000
    ⌀Z (Å) = 350 - 2500
    ⌀W (Å) = 200 - 1200
    This product is described in French patent FR 2,584,699.

La quantité de polychlorure d'aluminium exprimée en Al₂O₃ à utiliser est avantageusement inférieure à 1 partie pour 100 parties de fibres de cellulose et de préférence comprise entre 0,02 et 0,3 parties.The quantity of polychloride of aluminum expressed as Al₂O₃ to be used is advantageously less than 1 part per 100 parts of cellulose fibers and preferably between 0.02 and 0.3 parts.

Bien qu'on puisse ajouter les produits a et b dans un ordre quelconque et à n'importe quel endroit avant la caisse de tête de la machine à papier, on préfère ajouter le polychlorure d'aluminium après l'amidon cationique. On préfère aussi que le polychlorure d'aluminium soit ajouté le plus près possible de la caisse de tête.Although products a and b can be added in any order and at any place before the headbox of the paper machine, it is preferred to add poly aluminum chloride after the cationic starch. It is also preferred that the poly aluminum chloride be added as close as possible to the headbox.

On peut aussi ajouter dans la suspension de fibres de cellulose avant la formation de la feuille et en plus des produits a et b, d'autres produits tels que des colorants.Cellulose fibers can also be added to the suspension before the sheet is formed, and in addition to products a and b , other products such as dyes.

Selon un autre mode de réalisation de l'invention, on peut ajouter en plus de l'amidon cationique un ou plusieurs produits choisis parmi les polyacrylamides, les polyéthylèneimines, la carboxyméthylcellulose, les résines urée-formol, les résines mélamine-formol, les résines aminopolyamide-épichlorhydrine, les résines polyamide-épichlorhydrine. Avantageusement on utilise ces produits en plus de l'amidon cationique et dans les mêmes quantités.According to another embodiment of the invention, one or more products chosen from polyacrylamides, polyethyleneimines, carboxymethylcellulose, urea-formaldehyde resins, melamine-formaldehyde resins, resins may be added in addition to the cationic starch. aminopolyamide-epichlorohydrin, polyamide-epichlorohydrin resins. Advantageously, these products are used in addition to the cationic starch and in the same quantities.

On peut aussi selon un autre mode de réalisation de l'invention, en plus des produits a et b ou en plus des produits qu'on ajoute avec l'amidon cationique tels que les polyacrylamides et autres précédemment cités, ajouter un agent de collage pour rendre le papier un peu hydro­phobe lui permettant de résister à l'humidité.It is also possible, according to another embodiment of the invention, in addition to the products a and b or in addition to the products which are added with the cationic starch such as the polyacrylamides and others mentioned above, to add a sizing agent for make the paper a little hydrophobic allowing it to resist humidity.

Bien que tout agent de collage convienne, avantageusement on utilise de la collophane ou un mélange d'un ou plusieurs produits choisis parmi les alkyls cétènes dimères et leurs dérivés, les phospha­tes fluorés, les anhydrides d'acides carboxyliques à chaîne grasse, certains polyuréthanes, des copolymères styrène/anhydride maléïque.Although any bonding agent is suitable, it is advantageous to use rosin or a mixture of one or more products chosen from dimeric ketene alkyls and their derivatives, fluorinated phosphates, fatty chain carboxylic acid anhydrides, certain polyurethanes, styrene / maleic anhydride copolymers.

On préfère utiliser les alkyls cétènes dimères et les anhydrides d'acides carboxyliques. La quantité à utiliser est fonction des pro­priétés recherchées du papier ou du carton. Avantageusement la quantité est inférieure à 10 parties pour 100 parties de fibres de cellulose et de préférence comprise entre 0,1 et 2 parties.It is preferred to use dimeric ketene alkyls and carboxylic acid anhydrides. The quantity to be used depends on the desired properties of the paper or the cardboard. Advantageously, the amount is less than 10 parts per 100 parts of cellulose fibers and preferably between 0.1 and 2 parts.

De préférence l'agent de collage est ajouté avant le polychlorure d'aluminium.Preferably the sizing agent is added before the poly aluminum chloride.

On peut aussi ajouter dans la suspension, avant la formation de la feuille, des additifs usuels tels que colorants, etc...It is also possible to add to the suspension, before the formation of the sheet, usual additives such as dyes, etc.

Un autre avantage de l'invention, en plus des bonnes propriétés mécaniques obtenues, est une forte diminution des matières en suspen­sion dans les eaux recueillies sous la toile filtrante lors de la formation de la feuille.Another advantage of the invention, in addition to the good mechanical properties obtained, is a large reduction in the matter in suspension in the water collected under the filter cloth during the formation of the sheet.

Un autre avantage de l'invention est une plus grande productivité de la machine à papier et une meilleure cohésion interne. Tous ces avantages apparaîtront dans les exemples. Les exemples suivants illus­trent l'invention.
Another advantage of the invention is greater productivity of the paper machine and better internal cohesion. All these advantages will appear in the examples. The following examples illustrate the invention.

EXEMPLE 1 (non conforme à l'invention) EXAMPLE 1 (not in accordance with the invention)

- Composition en caisse de tête :
    100 % vieux papiers
    Agent de collage : Alkyl cétène dimère 0,15 parties
- Caractéristiques de fonctionnement de la machine à papier :
    Table plate laize utile : 2,6 m
    Grammage : 190g/m²
    Nature du papier : couverture pour carton ondulé
    Traitement après formation de la feuille : pulvérisation d'amidon natif en surface.- Composition in headbox:
100% old paper
Bonding agent: Alkyl ketene dimer 0.15 parts
- Operating characteristics of the paper machine:
Flat table useful width: 2.6 m
Weight: 190g / m²
Type of paper: cover for corrugated cardboard
Treatment after leaf formation: spraying of native starch on the surface.

On ajoute de l'amidon cationique, 1,4 parties pour 100 parties de fibres.
    Vitesse machine : 163 m/mn
    Rétention totale : 79%
    Indice d'éclatement Mullen : 2,75 (selon la norme afnor NF Q 03053)
    pH (en caisse de tête) : 7,2Cationic starch, 1.4 parts per 100 parts of fiber, is added.
Machine speed: 163 m / min
Total retention: 79%
Mullen burst index: 2.75 (according to afnor standard NF Q 03053)
pH (in headbox): 7.2

EXEMPLE 2 (conforme à l'invention) EXAMPLE 2 (according to the invention)

On opère comme dans l'exemple 1 mais on ajoute en plus, avant la caisse de tête, un polychlorure d'aluminium en proportion de 0,15 parties exprimé en Al₂O₃ pour 100 parties de fibres de cellulose.
On obtient :
    Vitesse machine : 200 m/mn
    Rétention totale : 85 %
    Mullen : 3,09
    pH (en caisse de tête) : 7,2The procedure is as in Example 1 but in addition, before the headbox, an aluminum polychloride is added in proportion of 0.15 parts expressed as Al₂O₃ per 100 parts of cellulose fibers.
We obtain :
Machine speed: 200 m / min
Total retention: 85%
Mullen: 3.09
pH (in headbox): 7.2

EXEMPLE 3 (Conforme à l'invention) EXAMPLE 3 (According to the invention)

On opère comme dans l'exemple 2 mais en ajoutant 0,16 partie de polychlorure d'aluminium comme dans l'exemple 2 pour 100 parties de fibres de cellulose, on obtient :
    Vitesse machine : 220 m/mn
    Rétention totale : 85 %
    Mullen : 2,96
    pH (en caisse de tête) : 7,2The procedure is as in Example 2 but by adding 0.16 part of polychloride of aluminum as in Example 2 per 100 parts of cellulose fibers, one obtains:
Machine speed: 220 m / min
Total retention: 85%
Mullen: 2.96
pH (in headbox): 7.2

Claims (8)

1. Procédé de fabrication du papier d'emballage et du carton caractérisé en ce qu'on ajoute à la suspension contenant les fibres de cellulose avant formation de la feuille: a) plus de 0,5 partie d'amidon cationique pour 100 parties de fibres de cellulose. b) du polychlorure d'aluminium 1. A method of manufacturing packaging paper and cardboard, characterized in that the suspension containing the cellulose fibers is added before the sheet is formed: a) more than 0.5 part of cationic starch per 100 parts of cellulose fibers. b) poly aluminum chloride 2. Procédé selon la revendication 1 caractérisé en ce qu'on ajoute, en plus de a et b, un agent de collage.2. Method according to claim 1 characterized in that one adds, in addition to a and b , a bonding agent. 3. Procédé selon la revendication 1 ou 2 caractérisé en ce que b est un polychlorosulfate basique d'aluminium.3. Method according to claim 1 or 2 characterized in that b is a basic aluminum polychlorosulfate. 4. Procédé selon l'une des revendications 1 à 3 caractérisé en ce que la quantité de a est avantageusement comprise entre 0,5 et 5 parties pour 100 parties de fibres de cellulose et de préférence entre 0,7 et 2.4. Method according to one of claims 1 to 3 characterized in that the amount of a is advantageously between 0.5 and 5 parts per 100 parts of cellulose fibers and preferably between 0.7 and 2. 5. Procédé selon l'une des revendications 1 à 4 caractérisé en ce que la quantité de b exprimée en Al₂O₃ est avantageusement inférieure à 1 partie pour 100 parties de fibres de cellulose, et de préférence comprise entre 0,02 et 0,3 parties.5. Method according to one of claims 1 to 4 characterized in that the amount of b expressed as Al₂O₃ is advantageously less than 1 part per 100 parts of cellulose fibers, and preferably between 0.02 and 0.3 parts . 6. Procédé selon l'une des revendications 2 à 5 caractérisé en ce que l'agent de collage est choisi de préférence parmi les alkyls cétènes dimères et les anhydrides d'acides carboxyliques.6. Method according to one of claims 2 to 5 characterized in that the sizing agent is preferably chosen from dimeric ketene alkyls and anhydrides of carboxylic acids. 7. Procédé selon l'une des revendications 2 à 6 caractérisé en ce que la quantité d'agent de collage est avantageusement inférieure à 10 parties pour 100 parties de fibres de cellulose, et de préférence comprise entre 0,1 et 2 parties.7. Method according to one of claims 2 to 6 characterized in that the amount of bonding agent is advantageously less than 10 parts per 100 parts of cellulose fibers, and preferably between 0.1 and 2 parts. 8. Procédé selon l'une des revendications 1 à 7 caractérisé en ce qu'on ajoute, en plus de a et b ou en plus de a et b et de l'agent de collage, au moins un produit choisi parmi les polyacrylamides, les polyéthylèneimines, la carboxyméthylcellulose, les résines urée-formol, les résines mélamine-formol, les résines aminopolyamide-épichorhydrine, les résines polyamide-épichlorhydrine.8. Method according to one of claims 1 to 7 characterized in that at least one product chosen from polyacrylamides is added, in addition to a and b or in addition to a and b and the bonding agent, polyethyleneimines, carboxymethylcellulose, urea-formaldehyde resins, melamine-formaldehyde resins, aminopolyamide-epichorhydrin resins, polyamide-epichlorhydrin resins.
EP88400617A 1987-03-23 1988-03-15 Process for producing packaging paper and board Expired - Lifetime EP0285486B2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AT88400617T ATE56493T1 (en) 1987-03-23 1988-03-15 PROCESS FOR MANUFACTURE OF PACKAGING PAPER AND CARDBOARD.

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR8704002A FR2612960B1 (en) 1987-03-23 1987-03-23 PROCESS FOR THE MANUFACTURE OF PACKAGING PAPER AND CARDBOARD BY ADDITION TO THE FIBROUS SUSPENSION OF CATIONIC STARCH AND ALUMINUM POLYCHLORIDE
FR8704002 1987-03-23

Publications (3)

Publication Number Publication Date
EP0285486A1 true EP0285486A1 (en) 1988-10-05
EP0285486B1 EP0285486B1 (en) 1990-09-12
EP0285486B2 EP0285486B2 (en) 1997-12-17

Family

ID=9349311

Family Applications (1)

Application Number Title Priority Date Filing Date
EP88400617A Expired - Lifetime EP0285486B2 (en) 1987-03-23 1988-03-15 Process for producing packaging paper and board

Country Status (13)

Country Link
EP (1) EP0285486B2 (en)
JP (1) JPH0723596B2 (en)
AT (1) ATE56493T1 (en)
CA (1) CA1324704C (en)
DE (1) DE3860586D1 (en)
DK (1) DK171149B1 (en)
ES (1) ES2018079T5 (en)
FI (1) FI94971C (en)
FR (1) FR2612960B1 (en)
GR (2) GR3001183T3 (en)
IE (1) IE60108B1 (en)
NO (1) NO174012C (en)
PT (1) PT87043B (en)

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5501771A (en) * 1991-07-12 1996-03-26 Elf Atochem S.A. Papermaking process and paper produced therefrom
WO1996030591A1 (en) * 1995-03-31 1996-10-03 Roquette Freres Method for making paper
EP0786476A1 (en) 1996-01-23 1997-07-30 Roquette Frˬres Composition and process for bonding plane structures
US5976322A (en) * 1994-09-08 1999-11-02 Ausimont Spa Process for producing paper and paperboard having high mechanical strength
DE4090740C2 (en) * 1989-04-28 2001-08-23 Arakawa Chem Ind Ketene dimer sizing agent for papermaking
CN109468886A (en) * 2018-12-27 2019-03-15 东莞市江高包装材料有限公司 A kind of production technology of wrapping paper
US10982391B2 (en) 2016-06-01 2021-04-20 Ecolab Usa Inc. High-efficiency strength program used for making paper in higher charge demand system

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4147682A (en) * 1976-12-09 1979-04-03 Toagosei Chemical Industry Co., Ltd. Additive composition for use in papermaking
FR2418297A1 (en) * 1978-02-27 1979-09-21 Ugine Kuhlmann IMPROVEMENT OF PAPER AND BOARD MANUFACTURING PROCESSES
WO1986002677A1 (en) * 1984-10-22 1986-05-09 Eka Nobel Aktiebolag Hydrophobing agent for cellulosic fibers, method of preparing the agent, and use of the agent for stock hydrophobation

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS59199900A (en) * 1983-04-18 1984-11-13 三菱製紙株式会社 Neutral paper
JPS60185899A (en) * 1984-03-05 1985-09-21 三菱製紙株式会社 Neutral paper

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4147682A (en) * 1976-12-09 1979-04-03 Toagosei Chemical Industry Co., Ltd. Additive composition for use in papermaking
FR2418297A1 (en) * 1978-02-27 1979-09-21 Ugine Kuhlmann IMPROVEMENT OF PAPER AND BOARD MANUFACTURING PROCESSES
WO1986002677A1 (en) * 1984-10-22 1986-05-09 Eka Nobel Aktiebolag Hydrophobing agent for cellulosic fibers, method of preparing the agent, and use of the agent for stock hydrophobation

Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4090740C2 (en) * 1989-04-28 2001-08-23 Arakawa Chem Ind Ketene dimer sizing agent for papermaking
US5501771A (en) * 1991-07-12 1996-03-26 Elf Atochem S.A. Papermaking process and paper produced therefrom
US5976322A (en) * 1994-09-08 1999-11-02 Ausimont Spa Process for producing paper and paperboard having high mechanical strength
WO1996030591A1 (en) * 1995-03-31 1996-10-03 Roquette Freres Method for making paper
FR2732368A1 (en) * 1995-03-31 1996-10-04 Roquette Freres NEW PAPER MANUFACTURING PROCESS
US5891305A (en) * 1995-03-31 1999-04-06 Roquette Freres Process for the manufacture of paper
EP0786476A1 (en) 1996-01-23 1997-07-30 Roquette Frˬres Composition and process for bonding plane structures
US10982391B2 (en) 2016-06-01 2021-04-20 Ecolab Usa Inc. High-efficiency strength program used for making paper in higher charge demand system
CN109468886A (en) * 2018-12-27 2019-03-15 东莞市江高包装材料有限公司 A kind of production technology of wrapping paper

Also Published As

Publication number Publication date
JPS63256795A (en) 1988-10-24
JPH0723596B2 (en) 1995-03-15
FI881368A (en) 1988-09-24
ES2018079T5 (en) 1998-02-16
PT87043A (en) 1988-04-01
NO174012B (en) 1993-11-22
DK171149B1 (en) 1996-07-01
FI94971B (en) 1995-08-15
FI94971C (en) 1995-11-27
ES2018079B3 (en) 1991-03-16
DK154688A (en) 1988-09-24
FI881368A0 (en) 1988-03-22
PT87043B (en) 1992-07-31
DE3860586D1 (en) 1990-10-18
IE880841L (en) 1988-09-23
CA1324704C (en) 1993-11-30
EP0285486B2 (en) 1997-12-17
DK154688D0 (en) 1988-03-22
FR2612960A1 (en) 1988-09-30
EP0285486B1 (en) 1990-09-12
NO881030L (en) 1988-09-26
ATE56493T1 (en) 1990-09-15
GR3026342T3 (en) 1998-06-30
NO881030D0 (en) 1988-03-08
IE60108B1 (en) 1994-06-01
FR2612960B1 (en) 1989-06-16
NO174012C (en) 1994-03-02
GR3001183T3 (en) 1992-06-30

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