CN101163837A - A process for the production of paper - Google Patents

A process for the production of paper Download PDF

Info

Publication number
CN101163837A
CN101163837A CNA2006800138481A CN200680013848A CN101163837A CN 101163837 A CN101163837 A CN 101163837A CN A2006800138481 A CNA2006800138481 A CN A2006800138481A CN 200680013848 A CN200680013848 A CN 200680013848A CN 101163837 A CN101163837 A CN 101163837A
Authority
CN
China
Prior art keywords
anionic
silica
composition
component
water
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.)
Pending
Application number
CNA2006800138481A
Other languages
Chinese (zh)
Inventor
J·奈安德尔
F·索尔哈格
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.)
Akzo Nobel NV
Original Assignee
Akzo Nobel NV
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 Akzo Nobel NV filed Critical Akzo Nobel NV
Publication of CN101163837A publication Critical patent/CN101163837A/en
Pending legal-status Critical Current

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
    • D21H23/00—Processes or apparatus for adding material to the pulp or to the paper
    • D21H23/02—Processes or apparatus for adding material to the pulp or to the paper characterised by the manner in which substances are added
    • D21H23/04—Addition to the pulp; After-treatment of added substances in the pulp
    • D21H23/06—Controlling the addition
    • D21H23/14—Controlling the addition by selecting point of addition or time of contact between components
    • D21H23/18—Addition at a location where shear forces are avoided before sheet-forming, e.g. after pulp beating or refining
    • 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
    • D21H21/00—Non-fibrous material added to the pulp, characterised by its function, form or properties; Paper-impregnating or coating material, characterised by its function, form or properties
    • D21H21/06—Paper forming aids
    • D21H21/10—Retention agents or drainage improvers
    • 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
    • D21H3/00—Paper or cardboard prepared by adding substances to the pulp or to the formed web on the paper-making machine and by applying substances to finished paper or cardboard (on the paper-making machine), also when the intention is to impregnate at least a part of the paper body
    • 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
    • D21H17/33—Synthetic macromolecular compounds
    • D21H17/34—Synthetic macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds
    • D21H17/37—Polymers of unsaturated acids or derivatives thereof, e.g. polyacrylates
    • D21H17/375—Poly(meth)acrylamide
    • 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
    • D21H17/33—Synthetic macromolecular compounds
    • D21H17/34—Synthetic macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds
    • D21H17/41—Synthetic macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds containing ionic groups
    • D21H17/42—Synthetic macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds containing ionic groups anionic
    • 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
    • D21H17/68—Water-insoluble compounds, e.g. fillers, pigments siliceous, e.g. clays
    • 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

Landscapes

  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Dispersion Chemistry (AREA)
  • Inorganic Chemistry (AREA)
  • Paper (AREA)

Abstract

The present invention relates to a process for producing paper which comprises: (i) providing an aqueous suspension comprising cellulosic fibres, (ii) adding to the suspension after the last point of high shear: (a) a first anionic component which is a water-soluble anionic organic polymer; (b) a second anionic component which is a water-dispersible or branched anionic organic polymer; and (c) a third anionic component which is an anionic siliceous material; and (iii) dewatering the obtained suspension to form paper. The invention further relates to composition which comprises the first, second and third anionic components and the use of the composition as a flocculating agent in the production of pulp and paper and for water purification.

Description

Produce the method for paper
Technical field
The present invention relates to produce the method for paper and in papermaking, be suitable for the composition that contains anionic group as additive.More particularly, the present invention relates to produce the method for paper, this method is included in after all high shear points, adds first, second and trianion component in cellulose suspension, and makes the dehydration of gained suspension, forms paper.
Background technology
In field of papermaking, the aqueous suspension that contains optional filler of cellulose fiber peacekeeping and additive is by making pump, screen cloth and the deduster (cleaner) of raw material experience high shear force, be fed in the flow box, described flow box will be gone up at shaping copper mesh (wire) and spray suspension.Water is discharged from suspension by the shaping copper mesh, so that on copper mesh, form the wet net of paper and make the further dehydration of wet net, and at the drying nest inner drying of paper machine.Introduce draining and keep auxiliary agent at the difference place that suspension flows easily, so that quicken draining and increase particulate, for example microfiber, filler and the additive absorption on cellulose fibre is so that they are retained on the copper mesh with fiber.The example of draining commonly used and reservation auxiliary agent includes organic polymer, inorganic material and bond thereof.
WO98/56715 discloses a kind of moisture polysilicate microgels, its preparation and the purposes in papermaking and desalt.Polysilicate microgels can contain extra compound, for example contains carboxylic acid and sulfonic polymer, for example polyacrylic acid.
WO00/006490 discloses by adding anionic polyelectrolyte in sodium silicate solution, then in conjunction with sodium metasilicate and the polyelectrolyte solution anion nano composite material that is used as reservation and drainage aids in papermaking with the silicic acid preparation.
US6103065 discloses the reservation of papermaking apparatus and the method for draining improved, this method comprises the steps: that after last high shear point adding molecular weight is 100,000-2, the polymer of 000,000 at least a CATION high charge density is in described device; Add molecular weight greater than 2,000,000 at least a polymer; With the bentonite that adds swellable.
WO01/34910 discloses a kind of method of making paper or cardboard, wherein by interpolation be selected from (a) polysaccharide or (b) intrinsic viscosity be the water miscible basically polymer in the synthetic polymer of 4dl/g at least, make the cellulose suspension flocculation, then by then adding flocculation system again, thereby flocculation again, wherein said flocculation system again comprise (i) material and (ii) water-soluble anionic polymer basically.Preferably, in cellulose suspension, mix water miscible basically polymer, thereby cause flocculation, for example shear section, the suspension of Shear flocculation through one or more then by the suspension that makes flocculation.Preferably, subsequently in the method, preferably after the rearmost point of high shear, for example afterwards, add water-soluble anionic polymer flocculant again in centrifugal screening (centri-screen).This method is proposed protection to be required so that the improvement of reservation and draining aspect to be provided.
WO02/33171 discloses a kind of method of making paper or cardboard, wherein uses flocculation system, makes the cellulose suspension flocculation, and described flocculation system comprises the organic fine particles of the diameter of material and non-swelling particle less than 750 nanometers.
WO02/101145 discloses a kind of Aquo-composition, it comprises anionic organic polymer particle and colloidal state anionic silica-based particles, wherein one or more plant ethylenically unsaturated monomers and one or more plant multi-functional branching agent and/or multi-functional crosslinking agent by polymerization together, thereby can obtain the anionic organic polymer particle.In the dehydration of suspension dirt (soils), in the processing of water, waste water and useless sludge, said composition can be used as flocculant, and is used as draining and keeps auxiliary agent in the production of paper.
Advantageously can be provided at draining, reservation and shaping aspect and have further improved paper technology.
Summary of the invention
The present invention relates to produce the method for paper, this method comprises:
(i) provide the aqueous suspension of cellulose fiber,
(ii) after last high shear point, add following substances in this suspension:
(a) first anionic group, it is a kind of water-soluble anionic organic polymer;
(b) second anionic group, it is that the swelling particle size can not disperseed less than the water of 1000 nanometers or the anionic organic polymer of branching; With
(c) trianion component, it is a kind of anion material; With
(iii) make the dehydration of gained suspension, form paper.
The invention further relates to the method for producing paper, this method comprises:
(i) provide the aqueous suspension of cellulose fiber,
(ii) after last high shear point, add following substances in this suspension:
(a) first anionic group, it is a kind of water-soluble anionic organic polymer;
(b) second anionic group, it is that a kind of water can disperse or the anionic organic polymer of branching; With
(c) trianion component, it is a kind of anion material that comprises the anionic silica-based polymer, described anionic silica-based polymer comprises:
(I) anionic silica-based particles of Ju Jiing; Or
(II) the specific area scope is 100-1700m 2The silica-based particles of/g;
(iii) make the dehydration of gained suspension, form paper.
The invention further relates to a kind of draining and keep assistant composition, it comprises:
(a) first anionic group, it is a kind of water-soluble anionic organic polymer;
(b) second anionic group, it is that the swelling particle size can not disperseed less than the water of 1000 nanometers or the anionic organic polymer of branching; With
(c) trianion component, it is a kind of anion material;
Wherein first, second exists with the dry matter content of trianion component with 0.01-50wt%.
The invention further relates to a kind of draining and keep assistant composition, it comprises:
(a) first anionic group, it is a kind of water-soluble anionic organic polymer;
(b) second anionic group, it is that a kind of water can disperse or the anionic organic polymer of branching; With
(c) trianion component, it is a kind of anion material that comprises the anionic silica-based polymer, described anionic silica-based polymer comprises:
(I) anionic silica-based particles of Ju Jiing; Or
(II) the specific area scope is 100-1700m 2The silica-based particles of/g;
Wherein first, second exists with the dry matter content of trianion component with 0.01-50wt%.
The invention further relates in the purifying of producing paper pulp and paper and water, said composition is as the purposes of flocculant.
The specific embodiment
According to the present invention, find, can be by following method, be shaped without any remarkable infringement or even improve under the situation that paper is shaped, improve draining and retention property, described method is included in after the last high shear point, adds three kinds of different anionic groups, and promptly first, second and trianion component are in aqueous cellulosic suspension.Preferably, after adding first, second and trianion component, be fed into the gained cellulose suspension in the flow box and be injected on the copper mesh, make it dehydration at this and form paper.Preferably, before adding first, second and trianion component, by adding cationic materials, the plain suspension of pretreatment of fiber.
By all types of cellulose suspensions, especially the suspension that contains machinery or circulation paper pulp, in raw material production paper with high salt content (high conductivity) and colloidal materials, with have the airtight degree of high plain boiled water, promptly widely in the paper technology of white water loop and limited water supply, the invention provides the improvement of draining and reservation aspect.So the invention enables the speed that can increase paper machine and use polymer, obtaining corresponding draining and/or to keep effect, thereby cause improved paper technology and economic benefit than low dosage.
First anionic group
First anionic group of the present invention is the water-soluble anionic organic polymer.The example of suitable water soluble anion organic polymer comprises anion polysaccharide and anion synthetic organic polymer, preferred anionic synthetic organic polymer.The example of suitable water soluble anion synthetic organic polymer comprises anion aromatic polycondensation polymers and anionic vinyl addition polymer.Preferably, the water soluble anion organic polymer is gone up substantially to linear.
The example of suitable water soluble anion polysaccharide comprises anionic starch, guar gum, cellulose derivative, chitin, shitosan, glycan, galactan, glucan, xanthans, pectin, mannosan, dextrin, preferred starch, guar gum and cellulose derivative.The example of suitable starch comprises potato, corn, wheat, cassava, rice, wax shape corn and barley, preferred potato.
The example of suitable water soluble anion aromatic polycondensation polymers comprises anion phenyl and naphthyl condensation polymer, preferred naphthalene sulfonic acids base and naphthalene sulfonic acids alkali condensation polymer.
The example of suitable water soluble anion synthetic organic polymer comprises by unsaturated anion of polywater dissolubility ethylenic or latent anionic monomer, or preferably contain one or more and plant the unsaturated anion of water-soluble olefinic bond formula or latent anionic monomer and randomly one or more plant the monomer mixture of other water-soluble olefinic bond formula unsaturated monomer and the anionic vinyl addition polymer that obtains.Term as used herein " dive anionic monomer " is meant and comprises the monomer that has potential ionogen, and wherein said monomer in case be applied on the cellulose suspension, will become anion in being included in polymer the time.The suitable anion and the example of latent anionic monomer comprise ethylenic unsaturated carboxylic acid and salt thereof, with ethylenic unsaturated sulfonic acid and salt thereof, for example (methyl) acrylic acid and salt thereof, (methyl) sodium acrylate suitably, ethylenic unsaturated sulfonic acid and salt thereof, for example 2-acrylamido-2-methyl propane sulfonic acid salt, sulfoethyl (methyl) acrylates, vinyl sulfonic acid and salt thereof, styrene sulfonate and to vinylphenol (hydroxy styrenes) and salt thereof.Preferably, under the situation that does not have or do not exist basically crosslinking agent, carry out polymerization, thereby form the anion synthetic organic polymer of straight chain basically.
Monomer mixture can contain one or more plants the undersaturated non-ionic monomer of water-soluble olefinic bond formula.But the example of the non-ionic monomer of suitable copolymerization comprises acrylamide and based on the monomer of acrylamide, for example Methacrylamide, N-alkyl (methyl) acrylamide, for example N-methyl (methyl) acrylamide, N-ethyl (methyl) acrylamide, N-n-pro-pyl (methyl) acrylamide, N-isopropyl (methyl) acrylamide, N-normal-butyl (methyl) acrylamide, the N-tert-butyl group (methyl) acrylamide and N-isobutyl group (methyl) acrylamide; N-alkoxyalkyl (methyl) acrylamide, for example N-n-butoxy methyl (methyl) acrylamide and N-isobutoxy methyl (methyl) acrylamide; N, N-dialkyl group (methyl) acrylamide, N for example, N-dimethyl (methyl) acrylamide; Dialkyl amino alkyl (methyl) acrylamide; Acrylate-based monomer, for example (methyl) propenoic acid dialkyl ammonia alkane ester; With vinyl amine.Monomer mixture also can contain one or more plants undersaturated CATION of water miscible ethylenic or checking exuberance of yang ion monomer, if exist, and preferred trace.Term as used herein " checking exuberance of yang ion monomer " is meant and comprises the monomer that has potential ionogen, and wherein said monomer in case be applied on the cellulose suspension, will become CATION in being included in polymer the time.The example of suitable cationic monomer comprise with below those and poly (dially dialkyl) base ammonium halide, for example diallyldimethylammonium chloride of formula (I) expression mentioned.But the example of the monomer of preferred copolymerization comprises that the example of (methyl) acrylamide and preferred first anionic group comprises the anion acrylamide-based polymers.
The weight average molecular weight of first anionic group of the present invention can be at least about 2000, suitably at least 10,000.For the anion aromatic polycondensation polymers, weight average molecular weight is generally at least about 2000, and suitably at least 10,000.For anionic vinyl addition polymer, weight average molecular weight is generally at least 500,000, suitably at least about 100 ten thousand, preferably at least about 200 ten thousand with more preferably at least about 500 ten thousand.The upper limit is not crucial; It can be about 300,000,000, common 5,000 ten thousand and suitably 3,000 ten thousand.
The charge density of first anionic group of the present invention suitably less than about 6meq/g, preferably less than about 4meq/g, is more preferably less than 2meq/g usually less than about 10meq/g.Suitably, the charge density scope is 0.5-10.0, preferred 1.0-4.0meq/g.
Second anionic group
Second anionic group of the present invention is that water can disperse or the anionic organic polymer of branching.Preferably, second anionic group is the anionic organic polymer of synthesizing.The example of the suitable dispersible anionic organic polymer of water comprises crosslinked anionic organic polymer and noncrosslinking water-insoluble anionic organic polymer.The example of suitable branching anionic organic polymer comprises the water soluble anion organic polymer.
Suitable water can disperse to comprise by planting in the presence of multi-group crosslink agents at one or more with the example of the anionic organic polymer of branching, polymerization contains one or more kind unsaturated anion of ethylenic or latent anionic monomer and randomly one or more plant the crosslinked and branched polymers of the monomer mixture acquisition of other ethylenically unsaturated monomers.Preferably, ethylenically unsaturated monomers is water miscible.Multi-group crosslink agent's existence makes and can prepare the dispersible branched polymer of water, slight crosslinked polymer and highly cross-linked polymer in monomer mixture.
The suitable anion and the example of latent anionic monomer comprise ethylenic unsaturated carboxylic acid and salt thereof, ethylenic unsaturated sulfonic acid and salt thereof, for example above-mentioned any in those.Suitable multi-group crosslink agent's example comprises the compound with at least two ethylenic unsaturated bonds, N for example, N-methylene-two (methyl) acrylamide, polyethylene glycol two (methyl) acrylate, N-vinyl (methyl) acrylamide, divinylbenzene, triallyl ammonium and N-methacrylic (methyl) acrylamide; Compound with ethylenic unsaturated bond and reactive group, for example (methyl) glycidyl acrylate, acrolein and methylol (methyl) acrylamide; With compound with at least two reactive groups, dialdehyde for example, as glyoxal, bicyclic oxygen compound and chloropropylene oxide.
Monomer mixture can contain one or more plants the unsaturated non-ionic monomer of water miscible ethylenic.But the example of the non-ionic monomer of suitable copolymerization comprises acrylamide and above-mentioned nonionic acrylamido and acrylate-based monomer and vinyl amine.This monomer mixture also can contain one or more plants unsaturated CATION of water miscible ethylenic or checking exuberance of yang ion monomer, if exist, and then preferred trace.But the example of the cationic monomer of suitable copolymerization comprises monomer and poly (dially dialkyl) base ammonium halide, for example diallyldimethylammonium chloride with above-mentioned general structure (I) expression.
Can be based on the monomer that exists in the monomer mixture, perhaps based on the monomeric unit that exists in the polymer, use at least hundred 4/10000ths molar part, about 6000 molar part of preferred 1,000,000/about 4-, the multi-group crosslink agent of 20-4000 molar part most preferably prepares suitable water and can disperse anionic organic polymer with branching.
Preferred water can disperse or the example of the anionic organic polymer of branching comprises that water can disperse the anion acrylamide-based polymers with branching.
The example of suitable noncrosslinking water-insoluble anionic organic polymer comprises that containing one or more by polymerization plants the water-insoluble monomer, one or more plant unsaturated anion of ethylenic or latent anionic monomer and randomly one or more plant the polymer of the monomer mixture acquisition of other ethylenically unsaturated monomers.The example of suitable water-insoluble monomer comprises styrene and styrene-based monomers, olefine, for example ethene, propylene, butylene etc.The suitable anion and the example of latent anionic monomer comprise ethylenic unsaturated carboxylic acid and salt thereof, ethylenic unsaturated sulfonic acid and salt thereof, for example above-mentioned any in those.
The dispersible anionic organic polymer of suitable water has the not swelling granularity of diameter less than about 1500 nanometers, suitably less than about 1000 nanometers with preferably less than about 950 nanometers.Suitable water can disperse to be included in those disclosed in the U.S. Patent No. 5167766 with the example of the anionic organic polymer of branching, at this by with reference to being introduced into.
The trianion component
Trianion component of the present invention is the anion material.The example of suitable anion material comprises the anionic inorganic polymer based on silicic acid and silicate, i.e. anionic silica-based polymer and terre verte class clay are preferably based on the anionic polymer of silicic acid or silicate.
Can be by the polycondensation silicon-containing compound, for example silicic acid and silicate (they can homopolymerization or copolymerization) prepare suitable anionic silica-based polymer.Preferably, the anionic silica-based polymer comprises the anionic silica-based particles of granularity in the colloidal state scope.Anionic silica-based particles is usually with aqueous, colloidal suspension, and so-called aqueous sol form is supplied.The correctability silica-based sols also comprises other element, and for example aluminium, boron, nitrogen, zirconium, gallium and titanium, these elements can be present in the water and/or in the silica-based particles.The example of suitable anionic silica-based particles comprises poly-silicic acid, the silica that gathers silicic acid microgel, polysilicate, polysilicate microgels, colloidal silica, colloidal aluminium modification, aluminium silicate polymer, alumino-silicate microgel, poly-borosilicate etc.The example of suitable anionic silica-based particles is included in those disclosed in United States Patent(USP) Nos. 4388150,4927498,4954220,4961825,4980025,5127994,5176891,5368833,5447604,5470435,5543014,5571494,5573674,5584966,5603805,5688482 and 5707493, is introduced into by reference at this.
The example of suitable anionic silica-based particles comprises that particle mean size is lower than about 100 nanometers, preferably be lower than about 20 nanometers and more preferably scope be those of about 10 nanometers of about 1-.Routine is in the silica chemistry, and granularity is meant the average-size of primary granule, and described primary granule can be assembled or not assemble.Preferably, the anionic silica-based polymer comprises the anionic silica-based particles of gathering.The specific area of silica-based particles is suitably at least 50m 2/ g and preferred 100m at least 2/ g.Usually, specific area can be about at most 1700m 2/ g and preferred 1000m at most 2/ g.Removing or regulating any compound that may disturb titration that exists in the sample suitably, for example after aluminium and the borohydride species, by using the NaOH titration, thereby measurement specific area, as G.W.Sears in AnalyticalChemistry28 (1956): 12,1981-1983 and described in the U.S. Patent No. 5176891.Therefore given area represents the average specific surface area of particle.
In a preferred embodiment of the invention, the specific area scope of anionic silica-based particles is 50-1000m 2/ g, more preferably 100-950m 2/ g.Preferably, it is 8-50% that silica-based particles is present in S value scope, and in the colloidal sol of preferred 10-40%, it is 300-1000m that described colloidal sol contains the specific area scope 2/ g, 500-950m suitably 2/ g and preferred 750-950m 2The silica-based particles of/g, the modification as described above of described colloidal sol.As Iler﹠amp; Dalton measures and calculates the S value in J.Phys.Chem.60 (1956) described in the 955-957.The S value representation is assembled or microgel forms degree and lower S value are the indications of higher concentration class.
In another embodiment preferred of the present invention, silica-based particles has high specific area, suitably at about 1000m 2More than/the g.The specific area scope can be 1000-1700m 2/ g and preferred 1050-1600m 2/ g.
The example of suitable terre verte class clay comprises naturally occurring synthetic and chemically treated material, for example montmorillonite, bentonite, hectorite, beidellite, nontronite, talcum powder, sauconite, hormonite, Attagel and sepiolite, preferably bentonite.Suitable clay be included in United States Patent(USP) Nos. 4753710,5071512 and 5607552 disclosed those, at this by with reference to being introduced into.
Extra component
Can wish further to comprise in the method for the invention extra component.Preferably, these components are joined in the cellulose suspension, make it afterwards by last high shear point, and these components can be joined the cellulose suspension of thickening or cellulose suspension that can be by mixing thickening and fresh water (frech water) and/or thin cellulose suspension that the plain boiled water that circulates obtains in.
According to a preferred aspect of the present invention, this method is included in before the last high shear point, adds cationic materials in cellulose suspension.The example of suitable cationic materials comprises cationic organic polymer and CATION inorganic material.The example of suitable cationic organic polymer comprises cationic polysaccharide, cation synthesising copolymer and CATION organic flocculant.The example of suitable CATION inorganic material comprises the CATION inorganic coagulant.
The example of suitable cationic polysaccharide comprises cationic starch, guar gum, cellulose derivative, chitin, shitosan, glycan, galactan, glucan, xanthans, pectin, mannosan, dextrin, preferred starch, guar gum and cellulose derivative.The example of suitable starch comprises potato, corn, wheat, cassava, rice, wax shape corn and barley, preferred potato.
The example of suitable cation synthesising copolymer comprises the CATION synthetic organic polymer of water soluble polymer amount, for example cation acrylamide based polyalcohol; Poly-(diallyl-dialkyl group ammonium halide), for example poly-(diallyldimethylammonium chloride); Polymine; Polyamide-based amine; Polyamine; With the vinylamine based polyalcohol.The example of the CATION synthetic organic polymer of suitable water soluble polymer amount comprises by unsaturated CATION of polywater dissolubility ethylenic or checking exuberance of yang ion monomer, perhaps preferably contains one or more and plants the unsaturated CATION of water-soluble olefinic bond formula or checking exuberance of yang ion monomer and randomly one or more plant the monomer mixture of other water miscible ethylenically unsaturated monomers and the polymer for preparing.
The example of the suitable unsaturated cationic monomer of water-soluble olefinic bond formula comprises poly (dially dialkyl) base ammonium halide, for example diallyldimethylammonium chloride and with the cationic monomer of following general structure (I) expression:
Figure S2006800138481D00101
R wherein 1Be H or CH 3R 2And R 3The H that respectively does for oneself, perhaps preferred alkyl be an alkyl suitably, has 1-3 carbon atom, preferably the alkyl of 1-2 carbon atom; A is O or NH; B has 2-8 carbon atom, the alkyl of 2-4 carbon atom or alkylidene, perhaps hydroxy propylidene suitably; R 4Be H, or preferred alkyl, be alkyl suitably, have 1-4 carbon atom, the alkyl of preferred 1-2 carbon atom, or contain the substituting group of aromatic group, phenyl or substituted-phenyl suitably, it can be by having 1-3 carbon atom usually, and the alkylidene of 1-2 carbon atom links to each other with nitrogen suitably, suitable R 4Comprise benzyl (CH 2-C 6H 5); And X -Be anionic counter-ion, common halogen ion is as chlorion.
Example with the suitable monomers of formula (I) expression comprises by handling dialkyl amino alkyl (methyl) acrylate with methyl chloride or benzyl chloride, (methyl) acrylic acid dimethylamino ethyl ester for example, (methyl) acrylic acid diethyl amino ethyl ester and (methyl) acrylic acid dimethylamino hydroxypropyl acrylate, with dialkyl amino alkyl (methyl) acrylamide, dimethylaminoethyl (methyl) acrylamide for example, diethyl aminoethyl (methyl) acrylamide, dimethyl aminopropyl (methyl) acrylamide and diethyl amino propyl group (methyl) acrylamide and the quaternary ammonium monomer that obtains.The preferred cationic monomer of general formula (I) comprises acrylic acid dimethylamino ethyl ester methyl chloride quaternary ammonium salt, dimethylaminoethyl acrylate methyl base ammonia ethyl ester methyl chloride quaternary ammonium salt, acrylic acid dimethylamino ethyl ester benzyl chloride quaternary ammonium salt and dimethylaminoethyl acrylate methyl base ammonia ethyl ester benzyl chloride quaternary ammonium salt.
Monomer mixture can contain one or more plants the undersaturated non-ionic monomer of water-soluble olefinic bond formula.The example of suitable non-ionic monomer comprises acrylamide and above-mentioned nonionic acrylamido and acrylate-based monomer and vinyl amine.This monomer mixture also can contain one or more plants undersaturated anion of water-soluble olefinic bond formula or latent anionic monomer, if exist, and preferred trace.But the anion of suitable copolymerization and the example of latent anionic monomer comprise ethylenic unsaturated carboxylic acid and salt and ethylenic unsaturated sulfonic acid and salt thereof, for example above-mentioned any in those.But the example of the monomer of preferred copolymerization comprises acrylamide and Methacrylamide, and promptly the example of (methyl) acrylamide and preferred high molecular weight cation synthetic organic polymer comprises the cation acrylamide based polyalcohol.
The weight average molecular weight of the CATION synthetic organic polymer of high molecular can be at least 500,000, suitably at least about 100 ten thousand and preferred about more than 200 ten thousand.The upper limit is not crucial, and it can be about 3,000 ten thousand, common 2,000 ten thousand.
The organic example that coagulates agent admittedly of suitable CATION comprises cationic polyamine, polyamide-based amine, polymine, dicyandiamide condensation polymer and low-molecular-weight high-cation vinyl addition polymer.The inorganic example that coagulates agent admittedly of suitable CATION comprises aluminium compound, for example alum and poly-aluminium compound, for example polyaluminium chloride.
The interpolation of component
According to the present invention,, after the stage and before discharging first, second and trianion component are joined in the aqueous cellulosic suspension through all high mechanical shearings in aqueous cellulosic suspension.The example of high mechanical shear segment comprises pumping and cleaning section.For example, when cellulose suspension process fan pump, pressure screen cloth and centrifugal screen cloth, comprise this shearing section.Suitably, last high shear point occurs at centrifugal screen cloth place, therefore,, first, second and trianion component are joined in the cellulose suspension suitably immediately following after centrifugal screen cloth.Preferably, after adding first, second and trianion component, cellulose suspension is fed in the flow box of paper machine, described flow box will spray suspension to the shaping copper mesh for discharging.
Can be separately or add first, second and trianion component simultaneously in cellulose suspension.When adding each component individually, can add them according to any order.Suitably, add second and the trianion component before, add first anionic group, second component can be before the 3rd component, add simultaneously or afterwards.Perhaps, suitably, first anionic group and second anionic group join in the cellulose suspension simultaneously, add the trianion component then.
When adding each component simultaneously, can add first, second and trianion component individually and/or with the form of mixture.The example that adds simultaneously comprises and adds these three kinds of components individually and add one of component individually and two kinds of components of form of mixtures suitably.The invention further relates to the composition and use thereof that contains above-mentioned first, second and the 3rd component.Suitably, in producing paper pulp and paper and in the purifying at water, said composition is used as flocculant.Preferably, in papermaking, said composition is randomly in conjunction with cationic materials, and any in the cationic materials for example disclosed herein is as draining and keep auxiliary agent.Preferably, composition comprises water and first, second can be with 0.01-50wt% with the trianion component, and the dry matter content of 0.1-30wt% exists suitably.First, second and trianion component can be 0.05-10: 0.05-10 with the first: the second: the three weight ratio: 1, and preferred 0.1-2: 0.1-2: 1 consumption is present in the composition.Can preferably under agitation prepare composition of the present invention easily by mixing first, second and the 3rd component.
The present invention first, second and the trianion component consumption with broad range can be joined in the cellulose suspension to be drained off.Usually, the draining that obtains when not adding polymer is compared with reservation, adds first, second and trianion component that consumption obtains draining preferably and reservation.Usually be added in an amount of at least about 0.001wt%, usually at least about first anionic group of 0.005wt%, this calculates based on the plain suspension of dried fibres with the dry polymer form, and the upper limit is generally about 2.0wt% and is about 1.5wt% suitably.Equally, be added in an amount of usually at least about 0.001wt%, usually at least about second anionic group of 0.005wt%, this calculates based on the plain suspension of dried fibres with the dry polymer form, and the upper limit is generally about 2.0 and be about 1.5wt% suitably.Similarly, be added in an amount of usually at least about 0.001wt%, usually at least about the trianion component of 0.005wt%, this is with dry additive (dry usually SiO 2Or dry clay) form is calculated based on the plain suspension of dried fibres, and the upper limit is generally about 2.0 and be about 1.5wt% suitably.When using composition of the present invention, addition is generally at least about 0.003wt%, and usually at least about 0.005wt%, this calculates based on the plain suspension of dried fibres with the dry form, and the upper limit is generally about 5.0 and be about 3.0wt% suitably.
When using cationic materials in the method, can be added in an amount of this material at least about 0.001wt%, this calculates based on the plain suspension of dried fibres with the dry form.Suitably, amount ranges is about 3.0% for about 0.05-, and preferable range is about 0.1-about 2.0%.
Method of the present invention can be applicable on all paper technologies and the cellulose suspension, and can be particularly useful for making paper by the high raw material of conductivity.In this case, the conductivity of the raw material that dewaters on copper mesh is generally at least about 1.0mS/cm, preferably 3.0mS/cm and more preferably 5.0mS/cm at least at least.Can pass through standard device, for example WTWLF 539 instruments of Christian Berner supply are measured conductivity.
The present invention further comprises wherein deeply recovery or recirculation plain boiled water, the paper technology that promptly has high plain boiled water leak tightness, dry paper of producing for example wherein per ton is used the fresh water of 0-30 ton, usually less than 20, preferably less than 15, be more preferably less than 10 and significantly less than 5 tons of fresh water/ton paper.Fresh water can be located to be incorporated in this technology in any stage; For example fresh water can mix with cellulose fibre, so that the formation cellulose suspension, and can mix the cellulose suspension of fresh water and thickening, make its dilution, so that form thin cellulose suspension, subsequently first, second and trianion component are joined in the described cellulose suspension.
Method of the present invention is used to produce paper.Term as used herein " paper " comprises not only paper and production method thereof certainly, and comprises other web-shaped product, for example sheet material and cardboard, and production method.Can use this method in the paper being produced by the suspension of inhomogeneity cellulose fibre, and based on dry, suspension should preferably contain at least 25% and the more preferably this fiber of 50wt% at least.Suspension can be based on from chemical pulp, for example sulfate and sulfite pulp, thermomechanical pulp, chemistry-thermomechanical pulp, organosol (organosolv) paper pulp, refined pulp or from the two the fiber of wood fragments paper pulp etc. of hardwood and cork, perhaps by annual plant, the fiber that obtains such as napier grass, bagasse, flax, straw for example, and also can be used for suspension based on recycled fibre.Advantageous applications of the present invention is on the technology by the suspension papermaking that contains timber.
Suspension also contains the inorganic filler of general type, for example kaolin, clay, titanium dioxide, gypsum, talcum and natural and synthetic calcium carbonate the two, for example calcium carbonate of the marble of chalk, pulverizing, pulverizing, and winnofil.Raw material also can contain the additive for paper making of general type certainly, for example wet strength agent, sizing agent, and for example based on those of rosin, ketene dimer, ketenes polymer, alkenyl succinic anhydrides etc.
Preferably, the present invention is applied to produces the paper contain timber and based on the paper of recycled fibre, for example on the paper machine of SC, LWC and dissimilar books and newspaper paper, and produce and not contain the printing of timber and write on the machine of paper, term does not contain timber and is meant that the fiber that contains timber is less than about 15%.The example of advantageous applications of the present invention comprises by containing machinery and/or the cellulose suspension production paper of recycled fibre and the layer in the multi-layered paper of 50wt% at least.Preferably, be 300-3000m/min and the paper machine that more preferably turns round under the speed of 500-2500m/min on use the present invention.
Further set forth the present invention in following examples, yet described embodiment does not plan to limit the present invention.Umber and percentage relate separately to weight portion and weight %, except as otherwise noted.
Embodiment 1
Use following component in an embodiment, set forth the present invention:
A1: by the water soluble anion acrylamide-based polymers that polypropylene acid amides (80mol%) and acrylic acid (20mol%) prepare, the weight average molecular weight of this polymer be about 1,200 ten thousand and anionic charge density be about 2.6meq/g.
A2: at N as crosslinking agent, N-di-2-ethylhexylphosphine oxide (methyl) acrylamide (350ppm) exists down, by the dispersible crosslinked anion acrylamide-based polymers of water of polypropylene acid amides (30mol%), acrylic acid (70mol%) preparation, the anionic charge density of this polymer is about 8.5meq/g.
A3: the anionic inorganic condensation polymer of the silicic acid of the silica gel form of colloidal aluminium modification, its S value is for about 21 and contain specific area for about 800m 2The silica-based particles of/g.
A123:A1: A2: A3 dry weight ratio is 0.2: 0.2: 1 above-mentioned A1, A2 and the mixture of A3.
C1: cationic charge density is the CATION polyaluminium chloride of about 8.0meq/g.
C2: by the cation acrylamide based polyalcohol that polypropylene acid amides (90mol%) and acryloxy ethyl-trimethyl salmiac (10mol%) prepare, the weight average molecular weight of this polymer be about 600 ten thousand and cationic charge density be about 1.2meq/g.
C3: by the cation acrylamide based polyalcohol that polypropylene acid amides (60mol%) and acryloxy ethyl-trimethyl salmiac (40mol%) prepare, the weight average molecular weight of this polymer be about 300 ten thousand and cationic charge density be about 3.3meq/g.
C4: by with 2, the 3-hydroxypropyl-trimethyl ammonium chloride is handled the cationic starch of native starch preparation, and to realize that D.S. is 0.11, the cationic charge density of this polymer is about 0.6meq/g.
Embodiment 2
By Dynamic Drainage Analyser (DDA) available from Sweden Akribi, estimate drainage performance, wherein this analyzer is measured when taking out stopper and applying vacuum when existing on the opposite copper mesh side of thereon a side with cellulose suspension, discharges the time of the cellulose suspension of a setting volume by copper mesh.
By nephelometer, by measure discharging the filtrate that cellulose suspension obtains, the turbidity of plain boiled water, thereby estimate retention property available from Switzerland Novasina.With NTU (NephelometricTurbidity Units) is that turbidity is measured by unit.
This tests employed cellulose suspension based on 75%TMP and 25%DIP fibrous material with from the bleaching water of Newsprint Mill.The denseness of cellulose suspension is 0.60%, pH be 7.4 and conductivity be 1.5mS/cm.
For simulation before last high shear point and is afterwards added, under different agitator speeds, stirring cellulose suspension in baffled jar.According to following generation of stirring with shear conditions:
(i) under 1000rpm, stirred 25 seconds;
(ii) under 2000rpm, stirred 10 seconds;
(iii) under 1000rpm, stirred 15 seconds; With
(iv) make the raw material dehydration.
As described belowly add (addition is unit with kg/t) in the cellulose suspension to: if any, before dehydration, added in 45,25,15,10 and 5 seconds, correspondingly be expressed as the interpolation of Add.45, Add.25, Add.15, Add.10 and Add.5 in the table 1 respectively.Therefore after last high shear point, be expressed as the interpolation of Add.15, Add.10 and Add.5.
Table 1 shows viewed draining (dehydration) and keeps effect.In table 1, water discharge time is meant that draining (dehydration) time and turbidity (Turb.) are meant turbidity (turbidity).Addition based on the plain suspension of dried fibres with the dry additive form (with dry polymer, dry Al 2O 3With dry SiO 2Form is calculated) provide.
Test No.1 shows without any the result under the additive situation.Method and test Nos.5-15 that test Nos.2-4 shows the additive that is used for comparison show the method according to this invention.
Table 1
Test No. Add.45 Add.25 Add.15 Add.10 Add.5 Addition under Add.45/Add.25/ Add.15/Add.10/Add.5 [kg/t] Water discharge time [s] Turbidity [NTU]
1 - - - - - -/-/-/-/- 65.1 202
2 C1 A2 A1 A3 - 2/0.1/0.1/0.5/- 51.3 128
3 C1 A3 A1 - A2 2/0.5/0.1/-/0.1 41.0 110
4 C1 A1 - A3 A2 2/0.1/-/0.5/0.1 43.3 150
5 C1 - A1 A3 A2 2/-/0.1/0.5/0.1 39.7 126
6 - C2 A1 A3 A2 -/1.5/0.1/0.5/0.1 36.3 95
7 - C2 A1 A3 A2 -/2/0.1/0.5/0.1 21.8 65
8 - C2 A1 A2 A3 -/2/0.1/0.1/0.5 18.1 69
9 - C2 A2 A1 A3 -/2/0.1/0.5/0.1 18.3 69
10 - C2 A2 A3 A1 -/2/0.1/0.5/0.1 33.5 76
11 - C2 A3 A1 A2 -/2/0.5/0.1/0.1 19.9 67
12 - C2 A3 A2 A1 -/2/0.5/0.1/0.1 25.7 67
13 - C2 A1+A2 +A3 - - -/2/0.1+0.5+0.1/-/- 20.5 65
14 - C2 - A1+A2 +A3 - -/2/-/0.1+0.5+0.1/- 18.5 70
15 - C2 - - A1+A2 +A3 -/2/-/-/0.1+0.5+0.1 17.3 67
According to table 1, it is evident that compare with the method for contrast, method of the present invention provides improved draining and retention property.
Embodiment 3
Use the operation of embodiment 2, estimate drainage performance.Employed cellulose suspension is based on 75%TMP and 25%DIP fibrous material with from the bleaching water of Newsprint Mill in this test.The denseness of cellulose suspension is 0.94%, pH be 7.1 and conductivity be 1.4mS/cm.
Table 2 shows viewed draining (dehydration) effect.Addition is based on the plain suspension of dried fibres, with the dry additive form (with dry polymer and dry SiO 2Form is calculated) provide.
Test No.1 shows without any the result under the additive situation.Test Nos.2-7 shows and uses the method and the test Nos.8-10 that compare additive therefor to show the method according to this invention.In test No.9, before dehydration, added component A1, A2 and A3 in 10 seconds individually.The test No.10 in, the dehydration before 5 seconds, add component A2 and A3 individually.
Table 2
Test No. Add.45 Add.25 Add.15 Add.10 Add.5 Addition [kg/t] under Add.45/Add.25/ Add.15/ Add.10/Add.5 Water discharge time [s]
1 - - - - - -/-/-/-/- 71.8
2 - C2 - - - -/1/-/-/ 33.2
3 C3 C2 - - - 0.5/1/-/-/- 26.1
4 C3 C2 - - A3 1/1/-/-/0.1 14.3
5 C3 C2 A1 A2 - 1/1/0.1/0.1/- 14.2
6 C3 C2 A1 - A3 1/1/0.1/-/0.1 12.5
7 C3 C2 - A2 A3 1/1/-/0.1/0.1 10.2
8 C3 C2 A1 A2 A3 1/1/0.1/0.1/0.1 10.0
9 C3 C2 - A1+A2+A3 - 1/1/-/0.1+0.1+0.1/- 9.5
10 C3 C2 A1 - A2+A3 1/1/0.1/-/0.2+0.1 9.3
According to table 2, it is evident that compare with the method for contrast, method of the present invention provides improved draining and retention property.
Embodiment 3
Use the operation of embodiment 2, estimate retention property.Employed cellulose suspension is based on 75%TMP and 25%DIP fibrous material with from the bleaching water of Newsprint Mill in this test.The denseness of cellulose suspension is 0.61%, pH be 7.7 and conductivity be 1.6mS/cm.
Table 3 shows viewed reservation effect.Addition is based on the plain suspension of dried fibres, with the dry additive form (with dry polymer and dry SiO 2Form is calculated) provide.
Test No.1 shows without any the result under the additive situation.Method and test Nos.12-15 that test Nos.2-11 shows the additive that is used for comparison show the method according to this invention.In test No.13, before dehydration, added component A1, A2 and A3 in 10 seconds individually.In test No.14 and 15, premix component A1, A2 and A3 form component A123, before dehydration 10 and 5 seconds respectively, add described component A123.
Table 3
Test No. Add.45 Add.25 Add.15 Add.10 Add.5 Interpolation [kg/t] under Add.45/Add.25/ Add.15/ Add.10/Add.5 Turbidity [NTU]
1 - - - - - -/-/-/-/- 143
2 C3 C4 - - A3 0.5/5/-/-/1 80
3 C3 C4 A1 - - 0.5/5/0.2/-/- 84
4 C3 C4 - A2 - 0.5/5/-/0.2/- 76
5 C3 C4 A1 - A3 0.5/5/0.2/-/1 76
6 C3 C4 - A2 A3 0.5/5/-/0.2/1 68
7 C3 C4 A1 A2 - 0.5/5/0.2/0.2/- 69
8 C3 C4 A1 - - 0.5/5/0.4/-/- 79
9 C3 C4 - A2 - 0.5/5/-/0.4/- 71
10 C3 C4 A1 - A3 0.5/5/0.1/-/1 77
11 C3 C4 - A2 A3 0.5/5/-/0.4/1 70
12 C3 C4 A1 A2 A3 0.5/5/0.2/0.2/1 64
13 C3 C4 - A1+A2+A3 - 0.5/5/-/0.2+0.2+1/- 64
14 C3 C4 - A123 - 0.5/5/-/0.2+0.2+1/- 64
15 C3 C4 - - A123 0.5/5/-/-/0.2+0.2+1 65
According to table 3, it is evident that compare with the method for contrast, method of the present invention provides improved draining and retention property.

Claims (19)

1. produce the method for paper, this method comprises:
(i) provide the aqueous suspension of cellulose fiber,
(ii) after last high shear point, add following substances in this suspension:
(a) first anionic group, it is a kind of water-soluble anionic organic polymer;
(b) second anionic group, it is that the swelling particle size can not disperseed less than the water of 1000 nanometers or the anionic organic polymer of branching; With
(c) trianion component, it is a kind of anion material; With
(iii) make the dehydration of gained suspension, form paper.
2. produce the method for paper, this method comprises:
(i) provide the aqueous suspension of cellulose fiber,
(ii) after last high shear point, add following substances in this suspension:
(a) first anionic group, it is a kind of water-soluble anionic organic polymer;
(b) second anionic group, it is that a kind of water can disperse or the anionic organic polymer of branching; With
(c) trianion component, it is a kind of anion material that comprises the anionic silica-based polymer, described anionic silica-based polymer comprises:
(I) anionic silica-based particles of Ju Jiing; Or
(II) the specific area scope is 100-1700m 2The silica-based particles of/g;
(iii) make the dehydration of gained suspension, form paper.
3. a draining and keep assistant composition, it comprises:
(a) first anionic group, it is a kind of water-soluble anionic organic polymer;
(b) second anionic group, it is that the swelling particle size can not disperseed less than the water of 1000 nanometers or the anionic organic polymer of branching; With
(c) trianion component, it is a kind of anion material;
Wherein first, second exists with the dry matter content of trianion component with 0.01-50wt%.
4. a draining and keep assistant composition, it comprises:
(a) first anionic group, it is a kind of water-soluble anionic organic polymer;
(b) second anionic group, it is that a kind of water can disperse or the anionic organic polymer of branching; With
(c) trianion component, it is a kind of anion material that comprises the anionic silica-based polymer, described anionic silica-based polymer comprises:
(I) anionic silica-based particles of Ju Jiing; Or
(II) the specific area scope is 100-1700m 2The silica-based particles of/g;
Wherein first, second exists with the dry matter content of trianion component with 0.01-50wt%.
5. claim 3 or 4 composition, wherein first, second and trianion component exist with the dry matter content of 0.1-30wt%.
6. claim 3,4 and 5 any one compositions, wherein composition comprises water.
7. claim 1 or 2 method, perhaps any one composition of claim 3-6, wherein the trianion component is a kind of anion material that comprises the anionic silica-based polymer, and described anionic silica-based polymer comprises the anionic silica-based particles of gathering.
8. claim 1 or 2 method, perhaps any one composition of claim 3-7, wherein the trianion component is a kind of anion material that comprises the anionic silica-based polymer, and described anionic silica-based polymer comprises that the specific area scope is 100-1700m 2The silica-based particles of/g.
9. claim 2,7 and 8 any one methods, perhaps any one composition of claim 4-8, wherein second anionic group has the not swelling particle size less than 1000nm.
10. claim 1,2 and any one method of 7-9, perhaps any one composition of claim 3-9, wherein second component has the not swelling particle size less than 950nm.
11. claim 1,2 and any one method of 7-10, perhaps any one composition of claim 3-10, wherein the trianion component comprises that mean particle size range is the silica-based particles of 1-10nm.
12. claim 1,2 and any one method of 7-11, perhaps any one composition of claim 3-11, wherein the trianion component comprises that the specific area scope is 500-950m 2The silica-based particles of/g.
13. claim 1,2 and any one method of 7-11, perhaps any one composition of claim 3-11, wherein the trianion component comprises that the specific area scope is 1050-1600m 2The silica-based particles of/g.
14. claim 1,2 and any one method of 7-13, perhaps any one composition of claim 3-13, wherein first anionic group is an acrylamide-based polymers.
15. claim 1,2 and any one method of 7-14, perhaps any one composition of claim 3-14, wherein the molecular weight of first anionic group is at least 500,000.
16. claim 1,2 and any one method of 7-15, perhaps any one composition of claim 3-15, wherein second anionic group is an acrylamide-based polymers.
17. claim 1,2 and any one method of 7-16, perhaps any one composition of claim 3-16, wherein second anionic group is crosslinked anionic organic polymer.
18. claim 1,2 and any one method of 7-17, perhaps any one composition of claim 3-17, wherein first, second and trianion component are with 0.1-2: 0.1-2: 1 weight ratio exists.
19. any one composition of claim 3-18 in the purifying of paper pulp and paper production and water as the purposes of flocculant.
CNA2006800138481A 2005-05-16 2006-04-27 A process for the production of paper Pending CN101163837A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
EP05104066 2005-05-16
EP05104066.5 2005-05-16

Publications (1)

Publication Number Publication Date
CN101163837A true CN101163837A (en) 2008-04-16

Family

ID=34982554

Family Applications (1)

Application Number Title Priority Date Filing Date
CNA2006800138481A Pending CN101163837A (en) 2005-05-16 2006-04-27 A process for the production of paper

Country Status (12)

Country Link
EP (1) EP1882062B1 (en)
JP (1) JP4837032B2 (en)
KR (1) KR100957086B1 (en)
CN (1) CN101163837A (en)
AU (1) AU2006248157B2 (en)
BR (1) BRPI0614081B1 (en)
CA (1) CA2608146C (en)
ES (1) ES2457817T3 (en)
PL (1) PL1882062T3 (en)
PT (1) PT1882062E (en)
RU (1) RU2363799C1 (en)
WO (1) WO2006123989A2 (en)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
PL2087171T3 (en) 2006-12-01 2012-04-30 Akzo Nobel Nv Cellulosic product
PT2288750E (en) * 2008-05-15 2012-09-26 Basf Se Method for producing paper, paperboard and cardboard with a high dry strength
CA2814988A1 (en) * 2010-10-29 2012-05-03 Buckman Laboratories International, Inc. Papermaking and products made thereby with ionic crosslinked polymeric microparticle
AR086593A1 (en) * 2011-06-08 2014-01-08 Akzo Nobel Chemicals Int Bv PROCESS FOR THE PRODUCTION OF PAPER AND CARTON
CA2858028A1 (en) * 2011-12-15 2013-06-20 Innventia Ab System and process for improving paper and paper board

Family Cites Families (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5584966A (en) * 1994-04-18 1996-12-17 E. I. Du Pont De Nemours And Company Paper formation
DE790351T1 (en) * 1996-02-14 1998-01-29 Nalco Chemical Co Process for papermaking using multipolymer retention / drainage aids
CO5070714A1 (en) * 1998-03-06 2001-08-28 Nalco Chemical Co PROCESS FOR THE PREPARATION OF STABLE COLOIDAL SILICE
US6083997A (en) * 1998-07-28 2000-07-04 Nalco Chemical Company Preparation of anionic nanocomposites and their use as retention and drainage aids in papermaking
US6103065A (en) * 1999-03-30 2000-08-15 Basf Corporation Method for reducing the polymer and bentonite requirement in papermaking
TW524910B (en) * 1999-11-08 2003-03-21 Ciba Spec Chem Water Treat Ltd Manufacture of paper and paperboard
EP1291091A1 (en) * 2000-05-11 2003-03-12 Denenchofu Roman CO., Ltd. Method for preparing resin-coated sheet
GB0019415D0 (en) * 2000-08-09 2000-09-27 Ciba Spec Chem Water Treat Ltd Noval monomers, polymers thereof and the use of the polymers
MY140287A (en) * 2000-10-16 2009-12-31 Ciba Spec Chem Water Treat Ltd Manufacture of paper and paperboard
US6444091B1 (en) * 2000-12-20 2002-09-03 Nalco Chemical Company Structurally rigid nonionic and anionic polymers as retention and drainage aids in papermaking
US7189776B2 (en) * 2001-06-12 2007-03-13 Akzo Nobel N.V. Aqueous composition
KR100573052B1 (en) * 2001-06-12 2006-04-24 악조 노벨 엔.브이. Aqueous composition
CN1633533A (en) * 2001-12-21 2005-06-29 阿克佐诺贝尔公司 Aqueous silica-containing composition and process for production of paper
BR0215227A (en) * 2001-12-21 2004-11-16 Akzo Nobel Nv Aqueous composition containing silica and papermaking process
EP1611284B1 (en) * 2003-04-01 2011-09-28 Akzo Nobel N.V. Dispersion

Also Published As

Publication number Publication date
EP1882062B1 (en) 2014-02-12
CA2608146C (en) 2011-03-22
CA2608146A1 (en) 2006-11-23
JP2008540853A (en) 2008-11-20
AU2006248157A1 (en) 2006-11-23
WO2006123989A2 (en) 2006-11-23
PT1882062E (en) 2014-05-06
WO2006123989A3 (en) 2007-02-01
BRPI0614081A2 (en) 2011-03-09
EP1882062A2 (en) 2008-01-30
RU2363799C1 (en) 2009-08-10
KR20080006575A (en) 2008-01-16
BRPI0614081B1 (en) 2019-02-19
AU2006248157B2 (en) 2009-10-01
PL1882062T3 (en) 2014-07-31
KR100957086B1 (en) 2010-05-13
ES2457817T3 (en) 2014-04-29
JP4837032B2 (en) 2011-12-14

Similar Documents

Publication Publication Date Title
CN101351595B (en) A process for the production of paper
CN102226324B (en) A process for the production of paper
US9139958B2 (en) Process for the production of paper
JP7069156B2 (en) Premix useful for manufacturing textile products
JP4190027B2 (en) Aqueous composition
CN101163837A (en) A process for the production of paper
AU2002309436A1 (en) Aqueous composition
KR20100105897A (en) Method of modifying starch for increased papermachine retention and drainage performance

Legal Events

Date Code Title Description
C06 Publication
PB01 Publication
C10 Entry into substantive examination
SE01 Entry into force of request for substantive examination
C12 Rejection of a patent application after its publication
RJ01 Rejection of invention patent application after publication

Application publication date: 20080416