CN1455834A - Process for sizing paper - Google Patents

Process for sizing paper Download PDF

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Publication number
CN1455834A
CN1455834A CN01814690A CN01814690A CN1455834A CN 1455834 A CN1455834 A CN 1455834A CN 01814690 A CN01814690 A CN 01814690A CN 01814690 A CN01814690 A CN 01814690A CN 1455834 A CN1455834 A CN 1455834A
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Prior art keywords
polymer
cationic
polysaccharide
anionic
applying glue
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CN01814690A
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CN1215221C (en
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E·林德格林
S·弗罗里奇
M·珀森
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Akzo Nobel NV
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Akzo Nobel NV
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    • 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
    • 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
    • D21H21/14—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 characterised by function or properties in or on the paper
    • D21H21/16—Sizing or water-repelling agents
    • 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
    • D21H17/20—Macromolecular organic compounds
    • D21H17/33—Synthetic macromolecular compounds
    • D21H17/46—Synthetic macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds
    • D21H17/47—Condensation polymers of aldehydes or ketones

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  • Paper (AREA)
  • Treatments For Attaching Organic Compounds To Fibrous Goods (AREA)
  • Compositions Of Macromolecular Compounds (AREA)

Abstract

The present invention refers to a process for sizing paper which comprises adding to an aqueous suspension containing cellulosic fibres, and optional fillers, (i) an anionic or cationic sizing dispersion; and (ii) a sizing promoter comprising a cationic organic polymer having one or more aromatic groups, and an anionic polymer having one or more aromatic groups, the anionic polymer being a step-growth polymer, a polysaccharide or a naturally occurring aromatic polymer, forming and draining the obtained suspension, wherein the sizing dispersion and sizing promoter are added separately to the aqueous suspension.

Description

Process for sizing paper
Invention field
The present invention relates to the method for paper applying glue, comprise in the suspension that comprises cellulose fibre and nonessential filler, adding a kind of anion or CATION size dispersions and comprising cationic organic polymer with one or more aromatic groups; Applying glue promoter with anionic polymer with one or more aromatic groups, described anionic polymer is the step-growth polymerization thing, polysaccharide or the aromatic polymer that exists naturally, with moulding of gained suspension and drainage, wherein size dispersions and applying glue promoter separately join in the aqueous dispersion.
Background technology
The dispersion or the emulsion of sizing agent are used in papermaking, improve the patience that paper and cardboard are wetting to various liquid and permeate like this.Size dispersions adds usually and comprises cellulose fibre, the aqueous dispersion of nonessential filler and various additives.In the reinforced preceding to the end case of aqueous dispersion, suspension is ejected on the net, form wet web at this.Usually further adding compound such as starch and micro particulate materials in this suspension dewaters on the net to help suspension.The water that is called plain boiled water of Pai Chuing part circulation in papermaking process usually from network.Cellulose suspension comprises a certain amount of non-fibrous material, filler for example, and electropolymer, sizing agent and various charged contaminants, i.e. anion refuse, electrolyte, colloidal substance, etc.The non-fibrous material of part is influential and often damage applying glue efficient to applying glue efficient.The charging cpd of a large amount in the suspension such as the salt of high-load make suspension be difficult to applying glue more, promptly obtain having the paper of gratifying sizability.Other compound that is included in the infringement applying glue in the suspension is can be from recycled fiber and high yield paper pulp, i.e. the various oleophylic wood extractives of mechanical pulp.The addition that increases sizing agent improves applying glue usually, but the aggtegation that causes higher cost and sizing agent in plain boiled water, to increase.Non-fibrous material and be present in the factory that accumulates in the wherein abundant recirculation of plain boiled water of any other component in the suspension even more obvious, and only in papermaking process, add the fresh water of low amount.Therefore, an object of the present invention is further to improve sizability.Another object of the present invention is to improve sizability to the water slurry applying glue of cellulose with high conductivity and/or a large amount oleophylic wood extractive the time.Below obviously draw other purpose.
US 6001166 relates to and comprises cationic starch and anionic dispersing agents such as lignin sulfonic acid, the moisture alkyl dienone dispersion of the condensation product of naphthalene sulfonic acids and formaldehyde.
WO 0023651 relates to and comprises ketene dimer and the anion and the CATION size dispersions of anionic dispersing agents at least.
EP 984101 discloses and has comprised ketene dimer or acid anhydrides and be selected from aminopolycarboxylic, N-two-or the glueing composition of the compounding ingredient of three-((1.2-dicarboxyl ethyoxyl) ethyl) amine and phosphonic acids.
US 5972094 relates to comprising and is selected from thermoplasticity rosin, thermoplastic hydrocarbon resin, the glueing composition of the thermoplastic resin of polyamide thermoplastic and thermoplasticity amide waxe.
US 5595629 discloses a kind of papermaking process, comprises, forms a kind of aqueous cellulosic papermaking slurry and cationic polymer and anionic polymer are added this slurry to keep and/or water filtering performance with increase.Anionic polymer comprises the formaldehyde condensation products of naphthalene sulfonate.
Summary of the invention
Have been found that described invention has shockingly solved institute's problems outlined in application according to claim.More particularly, the present invention relates to a kind of method of paper applying glue, comprise to comprising cellulose fibre, with add a kind of anion or CATION size dispersions in the suspension of nonessential filler, with comprise cationic organic polymer and have the applying glue promoter of the anionic polymer of one or more aromatic groups with one or more aromatic groups, described anionic polymer is the step-growth polymerization thing, polysaccharide or the aromatic polymer that exists naturally, with moulding of gained suspension and drainage, during wherein size dispersions and applying glue promoter separately add in the aqueous dispersion.
Size dispersions
Be included in any suitably sizing agent that makes paper or cardboard have the enhancing patience of and infiltration wetting of sizing agent of the anion that is used for the inventive method or CATION size dispersions to liquid, as non-cellulose-reactive reagent, comprise rosin, as strengthening and/or esterified rosin, wax, aliphatic acid and resin acid derivative are as fatty acid amide and fatty ester, as the triglycerides of natural acid, and/or cellulose-reactive agent.Preferably, size dispersions comprises cellulose-reactive sizing agent.Cellulose-the reactive sizing agent that is included in the size dispersions can be selected from any cellulose known in the art-reactive agent.Suitably, sizing agent is selected from the hydrophobic ketene dimer, ketenes polymer, acid anhydrides, organic isocyanate, carbamoyl and its mixture, preferred ketene dimer and acid anhydrides, most preferably ketene dimer.Suitable ketene dimer has following general formula (I), wherein R 1And R 2Represent saturated or unsaturated hydrocarbon group, common saturated hydrocarbons, described hydrocarbyl group has 8-36 carbon atom suitably, normally has the straight or branched chain alkyl group of 12-20 carbon atom, as cetyl and octadecyl group.Ketene dimer can promptly at 25 ℃, be a liquid under 20 ℃ in environment temperature suitably.Usually, acid anhydrides is characterized by following general formula (II), wherein R 3And R 4Can be identical or different and expression comprise the saturated or unsaturated hydrocarbon group of 8-30 carbon atom or R suitably 3And R 4Can form 5-6 unit ring, the optionally further replacement of the hydrocarbyl group of the highest involved 30 carbon atoms with-C-O-C-part.The example of the acid anhydrides of commercial use comprises alkyl and alkenyl succinic anhydrides, especially different octadecylene base succinyl oxide.
Suitable ketene dimer, acid anhydrides and organic isocyanate comprise and be disclosed in U.S.Pat.No.4, and the compound in 522,686 is incorporated it into the present invention as a reference at this.The example of suitable carbamyl chloride comprises and is disclosed in U.S.Pat.No.3, and those in 887,427 are incorporated it into the present invention as a reference at this.
Comprise according to method of the present invention, add a kind of anion or CATION size dispersions in the suspension that comprises cellulose fibre, the dispersion and/or the stabilizing agent that promptly are present in the be called dispersion in the dispersion have total anion or cationic charge respectively.Dispersion can comprise any reagent such as polyelectrolyte that helps to form dispersion or emulsion, dispersion of surfactant and electrolyte and so on and/or stabilizing agent.The moisture size dispersions of anion can comprise cationic compound, be cationic polyelectrolyte (CATION or polyampholyte with total cation electric charge) and/or cationic surfactant and/or known any other cationic compound of those skilled in the art, prerequisite is that the total electrical charge of dispersion is an anionic property.On the other hand, the moisture size dispersions of CATION can comprise anionic compound, be anionic polyelectrolyte (anion or polyampholyte with total anionic charge) and/or anion surfactant and/or known any other anionic compound of those skilled in the art, prerequisite is that the total electrical charge of dispersion is an anionic property.The anion of size dispersions or cationic charge can utilize ZetaMaster S version PCS to determine.
According to a preferred embodiment of the present invention, anion or CATION size dispersions comprise cationic organic polymer with one or more aromatic groups/or have the anionic polymer of one or more aromatic groups.Cationic organic polymer and anionic polymer can be included in the applying glue promoter described below any those.
The anion of adding suspension or CATION size dispersions can have the sizing agent content 0.1-50% weight based on a total points prose style free from parallelism/emulsion, surpass 20% weight suitably.The dispersion that comprises ketene dimer sizing agent can have ketene dimer content 5 based on a total points prose style free from parallelism to the highest 50% weight, and preferred 10 to the highest 35% weight.The dispersion that comprises the acid anhydrides sizing agent, or emulsion can have anhydride content 0.1 based on a total points prose style free from parallelism/emulsion to the highest 30% weight, and 1 to the highest 20% weight suitably.The dispersion that comprises the non-cellulose reactive sizing agent has sizing agent content 5 suitably to the highest 50% weight, and preferred 10 to the highest 35% weight.Be included in the size dispersions if having the anion and/or the cationic polymer of one or more aromatic groups, their amount suitably based on about 0.1% weight of sizing agent to the highest about 15% weight.
The amount that adds the sizing agent of the aqueous dispersion that comprises cellulose fibre can be a 0.01-5% weight, 0.05-1.0% weight suitably, based on the dry weight of the nonessential filler of cellulose fiber peacekeeping, wherein dosage depends on the paper pulp of the applying glue of wanting or the amount of paper, sizing agent and applying glue level.
According to the present invention, with anion or CATION size dispersions and the promoter of executing that comprises cationic organic polymer and have an anionic polymer of one or more aromatic groups with one or more aromatic groups separately add aqueous dispersion, described anionic polymer is the step-growth polymerization thing, polysaccharide or the aromatic polymer that exists naturally.Although size dispersions can comprise be included in applying glue promoter in identical polymer, only when applying glue promoter and size dispersions separately add cellulose suspension, just observe in the remarkable improvement aspect the applying glue.Separately add and be meant that the size dispersions that can comprise any polymer of applying glue promoter is adding cellulose suspension (rare raw material) or adding discretely on substantially the same position but on the time with applying glue promoter on the different positions.In addition, also separately add suitably if constitute the cationic organic polymer and the anionic polymer of applying glue promoter.Preferably, anionic polymer adds suspension after size dispersions and cationic organic polymer.
According to an embodiment preferred of the present invention, process for sizing paper comprises, to comprising cellulose fibre, with add anion or the CATION size dispersions that comprises sizing agent and have the anionic polymer of one or more aromatic groups in the aqueous dispersion of nonessential filler, described anionic polymer is the step-growth polymerization thing, polysaccharide or the aromatic polymer that exists naturally, the amount that adds the size dispersions of suspension is about 0.01% to the highest about 5.0% weight, calculates with the sizing agent based on dried fiber; And the applying glue promoter that comprises the cationic polymer with one or more aromatic groups is cationic polysaccharide or cationic ethylene based addition polymer suitably, and the anionic polymer with one or more aromatic groups is the step-growth polymerization thing, polysaccharide or the aromatic polymer that exists naturally, the amount that adds the cationic polymer of suspension be based on dried fiber about 0.001% to the highest about 3% weight, and the amount that adds the anionic polymer of suspension be based on dried fiber about 0.001% to the highest about 3% weight, with moulding of gained suspension and drainage, wherein size dispersions and applying glue promoter separately join in the aqueous dispersion.
According to another embodiment preferred of the present invention, anion or CATION size dispersions comprise sizing agent, cationic organic polymer with one or more aromatic groups, as cationic polysaccharide or cationic ethylene based addition polymer, with anionic polymer with one or more aromatic groups, described anionic polymer is the step-growth polymerization thing, polysaccharide or the aromatic polymer that exists naturally, anionic polymer is the step-growth polymerization thing or the aromatic polymer of existence naturally suitably.
Suitably, the cationic polymer with one or more aromatic groups is the cationic polysaccharide with structural formula (I):
Figure A0181469000191
Wherein P is the residue of polysaccharide; A is the chain that N is connected to the atom that comprises C and H atom on the polysaccharide residue radical, R 1And R 2Be respectively H or hydrocarbyl group, R 3Be aromatic hydrocarbon radical, n be integer 2 to the highest by 300000, and X -It is anionic counter-ion; Or comprise the cationic monomer of the cationic monomer that is expressed as general formula (II) or the vinyl addition polymer that monomer mixture obtains by polymerization:
Figure A0181469000201
R wherein 1Be H or CH 3R 2And R 3Be respectively alkyl group with 1-3 carbon atom, A 1Be O or NH, B 1Be alkylidene group or the hydroxy propylidene group with 2-8 carbon atom, Q is the substituting group that comprises aromatic group, and X -It is anionic counter-ion.More preferably, the cationic polymer with one or more aromatic groups is the cationic polysaccharide with structural formula (I):
Figure A0181469000202
Wherein P is the residue of polysaccharide; A is the chain that N is connected to the atom that comprises C and H atom on the polysaccharide residue radical, R 1And R 2Be respectively H or hydrocarbyl group, R 3Be aromatic hydrocarbon radical, n be integer 2 to the highest by 300000, and X -It is anionic counter-ion.
Cationic organic polymer with one or more aromatic groups
Cationic organic polymer applying glue promoter and that be present in suitably in the size dispersions can be obtained by natural or synthetic source, and can be linear, branching or crosslinked.The preferred cationic polymer be water-soluble or water dispersible.The example of suitable cationic polymers comprises cationic polysaccharide, as starch, and guar gum, cellulose, chitin, chitosan, glycan, galactan, glucan, xanthans, pectin, mannosan, dextrin, preferred starch and guar gum, suitable starch comprises potato, corn, wheat, tapioca, rice, starch maize, barley, etc.; CATION synthetic organic polymer such as chain growth polymerization thing, as vinyl addition polymer such as acrylate-, acrylamide-and vinylamide-based polyalcohol and step-growth polymerization thing is as cation polyurethane.Be selected from polysaccharide, promptly starch and vinyl addition polymer are particularly preferred as the organic polymer of acrylamide-based polyalcohol with aromatic group.
The aromatic group of cationic organic polymer can be present in polymer backbone or be connected in the substituting group group on the polymer backbone (main chain), preferably is present in the substituting group group.The example of suitable aromatic group comprises aryl, aralkyl and alkylaryl group, and as phenyl, phenylene, naphthyl, xylylene, benzyl and phenylethyl; Preferred benzyl, nitrogenous aromatics (aryl) group, as pyridine and quinoline, and the derivative of these groups.The example of CATION charged group that can be present in cationic polymer and be used for preparing the monomer of cationic polymer comprises quaternary ammonium group, uncle's amino group and its acid-addition salts.
According to embodiment preferred, the cationic organic polymer with aromatic group is selected from cationic polysaccharide.The aromatic group of polysaccharide can be connected on the hetero atom such as nitrogen or oxygen that is present in the polysaccharide, and described hetero atom is optionally charged, for example when it is nitrogen.Aromatic group also can be connected to and comprise heteroatomic group, and as acid amides, on ester or the ether, described group can for example be connected on the polysaccharide skeleton (main chain) by atomic link.Suitable aromatic group comprises aryl and aromatic alkyl group with the example that comprises the group of aromatic group, as phenyl, and phenylene, naphthyl, phenylene, xylylene, benzyl and phenylethyl; Nitrogenous aromatics (aryl) group, as pyridine and quinoline, and the derivative of these groups, the one or more substituting groups that wherein are connected on the described aromatic group can be selected from hydroxyl, halide, as chloride, nitro and have the hydrocarbyl group of 1-4 carbon atom.
Preferably, cationic organic polymer is selected from the cationic polysaccharide with general structural formula (I):
Figure A0181469000211
Wherein P is the residue of polysaccharide; A is connected to group on the polysaccharide residue radical with N, comprise C and H atom suitably, the chain of the atom of O and/or N atom optionally, normally have 2-18 and 2-8 carbon atom suitably, optionally by one or more hetero atoms, as the alkylidene group of O or N interruption or replacement, as alkylidene oxygen base group or hydroxy propylidene group (CH 2-CH (OH)-CH 2-); R 1And R 2Be respectively H or, preferred, have 1-3 carbon atom, suitably the hydrocarbyl group of 1 or 2 carbon atom, alkyl suitably; R 3Aromatic hydrocarbon radical comprises aromatic alkyl group suitably, as benzyl and phenylethyl group; N is that the about 2-of integer is about 300,000,5-200 suitably, 000 and preferred 6-125,000 or, in addition, R 1, R 2And R 3Form the aromatic group that comprises 5-12 carbon atom with N; And X -Be anionic counter-ion, common halide such as chloride.
The cationic polysaccharide of aromatic group modification can have the substitution value that changes in wide region; CATION substitution value (DS c) can be 0.01-0.5,0.02-0.3 suitably, preferred 0.025-0.2, aromatics substitution value (DS Ar) can be 0.01-0.5,0.02-0.3 suitably, preferred 0.025-0.2 and anion substitution value (DS A) can be 0-0.2,0-0.1 suitably, preferred 0-0.05.
Polysaccharide can carry out CATION and aromatic modified with polysaccharide in a known way by using one or more reagent that comprise cation group and/or aromatic group, for example makes by this reagent and polysaccharide are reacted in the presence of alkaline matter such as alkali metal or alkaline earth metal hydroxide.Carry out CATION and aromatic modified polysaccharide can be a nonionic, anion, both sexes or cationic.Suitable modifier comprise nonionics as, aralkyl halogen for example is as benzyl chloride and cylite; More than definition has at least one the substituent chloropropylene oxide that comprises aromatic group and a product of dialkylamine, comprises 3-dialkyl amido-1,2 epoxy prapane; With cationics as, for example, more than definition has at least one the substituent chloropropylene oxide that comprises aromatic group and a product of tertiary amine, comprises the alkaryl dialkylamine, as dimethyl benzyl amine; Arylamine is as pyridine and quinoline.Such suitable cationics comprises 2,3-glycidyl trialkyl ammonium halide and halogenated hydroxyl propyl group trialkyl ammonium halide, as N-(3-chloro-2-hydroxypropyl)-N-(hydrophobic alkyl)-N, N-two (low alkyl group) ammonium chloride and N-glycidyl-N-(hydrophobic alkyl)-N, N-two (low alkyl group) ammonium chloride, wherein aromatic group defines as above, especially octyl group, decyl and dodecyl, and low alkyl group is methyl or ethyl; With halogenated hydroxyl propyl group-N, N-dialkyl group-N-alkaryl halogenation ammonium and N-glycidyl-N-(alkaryl)-N, the N-dialkylammonium chloride, as N-(3-chloro-2-hydroxypropyl)-N-(alkaryl)-N, N-two (low alkyl group) ammonium chloride, wherein the definition of alkaryl and low-grade alkyl group as above, N-(3-chloro-2-hydroxypropyl)-N-benzyl-N especially, N-alkyl dimethyl ammonium chloride; And N-(3-chloro-2-hydroxypropyl) pyridinium chloride.Generally, if use the agent of nonionic aromatics, polysaccharide suitably before or after hydrophobic modified by using any cationics known in the art to become cationic.The example of suitable CATION and/or aromatic modified dose, the polysaccharide of aromatic group modification and and preparation method thereof comprise and be described in U.S. patent Nos.4,687,519 and 5,463,127; International Patent Application WO 94/24169, european patent application No.189935; And S.P.Patel, R.G.Patel and V.S.Patel, Starch/St  rke, 41 (1989), No.5, those of pp.192-196 are incorporated its instruction into the present invention as a reference at this.
According to another embodiment preferred, cationic organic polymer is selected from by one or more and comprises at least a monomer with aromatic group, suitably homopolymers and the copolymer made of the monomer of ethylenically unsaturated monomer.Cationic polymer can be linearity or branching.The aromatic group of cationic polymer can be present in the polymer backbone or, preferred, it can be to be connected on the polymer backbone or by the side group of its extension or be present in and be connected on the polymer backbone or in the side group by its extension.Suitable aromatics (aryl) group comprises and comprises optionally the phenyl group that replaces that optionally those of the naphthyl group of phenylene group of Qu Daiing and replacement optionally for example have general formula-C 6H 5,-C 6H 4-,-C 6H 3-and-C 6H 2-group, as phenylene (C 6H 4-), xylylene (CH 2-C 6H 4-CH 2-), phenyl (C 6H 5), benzyl (CH 2-C 6H 5), phenethyl (CH 2CH 2-C 6H 5) and the phenyl that replaces (for example-C 6H 4-Y ,-C 6H 3Y 2And-C 6H 2Y 3), the one or more substituting groups (Y) that wherein are connected on the benzyl ring can be selected from hydroxyl, halide, and as chloride, nitro and have the hydrocarbyl group of 1-4 carbon atom.
Preferably, cationic polymer is the vinyl addition polymer.Term used herein " vinyl addition polymer " is meant by one or more and comprises, for example, and acrylamide-Ji and the acrylate-vinyl monomer of Ji monomer or the polyaddition reaction of ethylenically unsaturated monomer and the polymer made.Suitably, to be selected from by Aggregate Expression be the addition polymer that the cationic monomer of general formula (II) or the monomer mixture that comprises cationic monomer obtain to cationic polymer:
Figure A0181469000231
R wherein 1Be H or CH 3R 2And R 3Be respectively or, preferred, have 1-3 carbon atom, the alkyl group of common 1-2 carbon atom; A 1Be O or NH; B 1Be to have 2-8 carbon atom, the group of the alkylidene group of 2-4 carbon atom, or hydroxy propylidene suitably; Q can utilize to have 1-3 carbon atom usually, and the alkylidene group of 1-2 carbon atom is connected to the aromatic group that comprises on the nitrogen suitably, and the substituting group of the phenyl group of phenyl or replacement and preferred Q are benzyl group (CH suitably 2-C 6H 5); And X -Be anionic counter-ion, common halide such as chloride.The example that is expressed as the suitable monomers of general formula (II) comprises that gained passes through to handle (methyl) propenoic acid dialkyl aminoalkyl ester with benzyl chloride, as (methyl) acrylic acid dimethyl aminoethyl ester, (methyl) acrylic acid diethylamino ethyl ester and (methyl) acrylic acid dimethylamino hydroxy-propyl ester, and dialkyl aminoalkyl (methyl) acrylamide, as dimethyl aminoethyl (methyl) acrylamide, diethylamino ethyl (methyl) acrylamide, dimethylaminopropyl (methyl) acrylamide and diethylamino propyl group (methyl) acrylamide and the season monomer that obtains.Preferred cation monomer with general formula (II) comprises dimethyl amino ethyl acrylate benzyl chloride quaternary salt and dimethyl amino ethyl methacrylate benzyl chloride quaternary salt.
Cationic ethylene base addition (synthesizing cationic) polymer can be the homopolymers made by the cationic monomer with aromatic group or the copolymer made by the monomer mixture that comprises cationic monomer with aromatic group and one or more copolymerisable monomers.But suitable copolymerization non-ionic monomer comprises the monomer that is expressed as general formula (III):
R wherein 4Be H or CH 3R 5And R 6Be respectively H or alkyl, have 1-6 suitably, the alkyl of a general 1-4 and particularly 1-2 carbon atom; A 2Be O or NH; B 2Be 2-8 carbon atom, the group of the alkylidene group of 2-4 carbon atom, or hydroxy propylidene suitably or, in addition, A and B can what not be that a singly-bound (O=C-NR is arranged between C and N so yet 5R 6).The example of such suitable copolymerisable monomer comprises (methyl) acrylamide; Acrylamide-Ji monomer such as N-alkyl (methyl) acrylamide and N, N-dialkyl group (methyl) acrylamide, as N-n-propyl group acrylamide, N-isopropyl (methyl) acrylamide, N-n-butyl (methyl) acrylamide, N-isobutyl group (methyl) acrylamide and N-t-butyl (methyl) acrylamide; And dialkyl aminoalkyl (methyl) acrylamide, as dimethyl aminoethyl (methyl) acrylamide, diethylamino ethyl (methyl) acrylamide, dimethylaminopropyl (methyl) acrylamide and diethylamino propyl group (methyl) acrylamide; Acrylate-Ji monomer is as (methyl) propenoic acid dialkyl aminoalkyl ester, as (methyl) acrylic acid dimethyl aminoethyl ester, (methyl) acrylic acid diethylamino ethyl ester, (methyl) acrylic acid t-butyl amino-ethyl ester and acrylic acid dimethylamino hydroxypropyl ester; And vinylamide, as N-vinyl formamide and N-vinyl acetamide.But preferred copolymerization non-ionic monomer comprises acrylamide and Methacrylamide, i.e. (methyl) acrylamide, and host polymer is preferably acrylamide-based polyalcohol.
But suitable copolymerizable cationic monomers comprises the monomer that is expressed as general formula (IV):
R wherein 7Be H or CH 3R 8, R 9And R 10Be respectively H or, preferred alkyl, suitable have 1-3 carbon atom, an alkyl of common 1-2 carbon atom; A 3Be O or NH; B 3Be 2-4 carbon atom, the group of the alkylidene group of 2-4 carbon atom, or hydroxy propylidene suitably, and X -Be anionic counter-ion, common Methylsulfate or halide such as chloride.The example of suitable CATION copolymerisable monomer comprises the acid-addition salts and the quaternary ammonium salt of above-mentioned (methyl) propenoic acid dialkyl aminoalkyl ester and dialkyl aminoalkyl (methyl) acrylamide, uses acid as HCl usually, H 2SO 4, etc., or season agent such as methyl chloride, Dimethylsulfate waits preparation; And diallyldimethylammonium chloride.But preferred copolymerizable cationic monomers comprises (methyl) acrylic acid dimethyl aminoethyl METH chlorine quaternary salt and diallyl dimethyl-ammonium chloride.But copolymerization anionic monomer such as acrylic acid, methacrylic acid, various sulfonate vinyl monomers, wait also can use and, preferred, a small amount of use.
The cationic ethylene based addition polymer can be by generally comprising 1-99 mole %, 2-50 mole % and preferred 5-20 mole % preferably are expressed as the cationic monomer with aromatic group of general formula (II) suitably, with 99-1 mole %, 98-50 mole % suitably, the monomer mixture that preferably comprises other copolymerisable monomer of acrylamide or Methacrylamide ((methyl) acrylamide) with preferred 95-80 mole % is made, described monomer mixture comprises (methyl) acrylamide of 98-50 mole % and preferred 95-80 mole % suitably, and the summation of percentage is 100.
Cationic polymer also can be selected from the polymer of making by one or more condensation reactions that comprise the monomer of aromatic group.The example of these monomers comprises toluene di-isocyanate(TDI), bisphenol-A, and phthalic acid, phthalic anhydride, etc., can be used for preparing cation polyurethane, cationic polyamide amine, etc.
Organic polymer can be to use the reagent that comprises aromatic group to carry out aromatic modified polymer in addition.Such suitable modifier comprises benzyl chloride, cylite, N-(3-chloro-2-hydroxypropyl)-N-benzyl-N, N-alkyl dimethyl ammonium chloride, and N-(3-chloro-2-hydroxypropyl) pyridinium chloride.Be applicable to that this aromatic modified polymer comprises the vinyl addition polymer.If polymer comprise can be by modifier seasonization uncle's nitrogen, the use of these agent causes polymer to become cationic usually.In addition, carrying out aromatic modified polymer can be CATION, for example the cationic ethylene based addition polymer.
Usually the charge density of vinyl addition polymer is the 0.1-6.0meqv/g dry polymeric, suitably 0.2-4.0 and preferred 0.5-3.0.The weight average molecular weight of synthetic polymer surpasses about 1,000,000 and preferred above about 2,000,000 suitably normally at least about 500,000.The upper limit is unimportant; It can be about 50,000,000, common 30,000,000 and suitably 25,000,000.
Anionic polymer with one or more aromatic groups
The anionic polymer with one or more aromatic groups that is included in the applying glue promoter and can be included in according to circumstances in the size dispersions is the step-growth polymerization thing, polysaccharide or the aromatic polymer that exists naturally.Term used herein " step-growth polymerization thing " is meant the polymer of making by the step-growth polymerization reaction, also is called step-reaction polymer and step-reaction polymerisation respectively.The preferred anionic polymer has aromatic group, and prerequisite is that anionic polymer is not a melamine sulfonic acid condensation polymer.Anionic polymer can be step-growth polymerization thing or the aromatic polymer that exists naturally.According to anionic polymer of the present invention can be linear, branching or crosslinked.The preferred anionic polymer be water-soluble or water dispersible.Anionic polymer is preferably organically.The preferred anionic surfactants aromatic polymer is the naphthalene sulfonate of naphthalene sulfonate condensation polymer such as condensation and the lignin polymers of modification, as lignosulfonates.
The aromatic group of anionic polymer can be present in polymer backbone or be connected in the substituting group group on the polymer backbone (main chain).The example of suitable aromatic group comprises aryl, aralkyl and alkylaryl group and its derivative, and as phenyl, tolyl, naphthyl, phenylene, xylylene, benzyl, the derivative of phenylethyl and these groups.The example that can be present in anionic polymer and be used for preparing the anion charged group of anionic polymer comprises the group that has anionic charge and has the acid groups of anionic charge in dissolving or when being dispersed in water, the group general designation of this paper is made anionic group, as phosphate, phosphonate, sulfate, sulfonic acid, sulfonate, carboxylic acid, carboxylate, alkoxide and phenolic groups, the i.e. phenyl of hydroxyl-replacement and naphthyl.The group that has an anionic charge is alkali metal normally, the salt of alkaline earth or ammonia.
Example according to suitable anion step-growth polymerization product of the present invention comprises condensation polymer, promptly by progressively increasing the polymer that polycondensation reaction obtains, comprise the aromatic compounds of one or more anionic groups as aldehyde such as formaldehyde and one or more, with nonessential other comonomer of polycondensation reaction such as the condensation product of urea of can be used for, condensation naphthalene sulfonate type polymer particularly.The example of the suitable aromatic compounds that comprises anionic group comprises phenol and naphthol compound such as phenol; naphthols; resorcinol and its derivative, aromatic acid and its salt such as phenyl, phenol; naphthyl and naphthols acid and salt; common sulfonic acid and sulfonate, as benzene sulfonic acid and sulfonate, xylene monosulfonic acid and sulfonate; naphthalene sulfonic acids and sulfonate, phenolsulfonic acid and sulfonate.
Comprise addition polymer according to the further example of suitable anion step-growth polymerization product of the present invention, promptly by progressively increasing the polymer that polyaddition reaction obtains, as the anion polyurethane of making by the monomer mixture that comprises aromatic isocyanate and/or aromatic alcohol.The example of suitable aromatic isocyanate comprises vulcabond, as Toluene-2,4-diisocyanate, and 4-and 2,6-vulcabond and diphenyl methane-4,4 '-vulcabond.The example of suitable aromatic alcohol comprises dihydroxylic alcohols, i.e. glycol, and as bisphenol-A, phenyldiethanol-amine, glycerine list terephthalate and trimethylolpropane list terephthalate.Can use monobasic aromatic alcohol such as phenol and its derivative.Monomer mixture also can comprise non-aromatic isocyanate and/or alcohol, usually vulcabond and glycol, for example known can be used for preparing polyurethane any those.The example that comprises the suitable monomers of anionic group comprises triol, as trimethylolethane, trimethylolpropane and glycerine and dicarboxylic acids or its acid anhydrides, as butanedioic acid and acid anhydrides, the monoesters product of terephthalic acid (TPA) and acid anhydrides is as glycerine monosuccinic acid salt, glycerine list terephthalate, trimethylolpropane monosuccinic acid ester, trimethylolpropane list terephthalate, N, N-two-(hydroxyethyl)-glycine, two-(hydroxyl-methyl) propionic acid, N, N-two-(hydroxyethyl)-2-aminoethane sulphonic acid, and analog, optionally and usually be combined with and alkali, as alkali metal and alkaline earth hydroxide, as NaOH, ammonia or amine, as the reaction of triethylamine, form alkali metal like this, alkaline earth or ammonium counter ion counterionsl gegenions.
Comprise by comprising at least a monomer with aromatic group and the vinyl of at least a monomer with anionic group or the anionic vinyl addition polymer that the ethylenically unsaturated monomer mixture obtains that according to the example of suitable anion chain growth polymerization product of the present invention copolymerization has non-ionic monomer such as acrylate-and acrylamide-Ji monomer usually.The example of suitable anionic monomer comprises (methyl) acrylic acid and to vinylphenol (hydroxy styrenes).
The example of suitable anion polysaccharide comprises starch, guar gum, cellulose, chitin, chitosan, glycan, galactan, glucan, xanthans, pectin, mannosan, dextrin, preferred starch, guar gum and cellulose derivative, suitable starch comprises potato, corn, wheat, tapioca, rice, starch maize and barley, preferred potato.Anionic group in the polysaccharide can be intrinsic and/or introduce by chemical treatment.Aromatic group in the polysaccharide can be introduced by chemical method known in the art.
The example of the aromatic anionic polymers that suitable (modification) of the present invention exists naturally comprises the brown paper lignin, as the lignin polymers of modification as with the lignin addition product and the lignosulfonate of formaldehyde copolymerization, as lignosulfonates and tannin extract, promptly be present in the naturally occurring polyphenol substance in organic extract of some wood type bark.
Suitably, the anion aromatic polymer with aromatic group is selected from the progressively polymer of growth, polysaccharide or the aromatic polymer that exists naturally.Condensation naphthalene sulfonate type polymer is preferred as the lignin polymers such as the lignosulfonates of condensation naphthalene sulfonate and modification.
The weight average molecular weight of anionic polymer can change in grace period, and this especially depends on the kind of used polymer, and normally at least about 500, surpasses about 2,000 and preferred above about 5,000 suitably.The upper limit is unimportant; It can be about 200,000,000, and is common 150,000,000, suitably 100,000,000 and preferred 1,000,000.
Anionic polymer can have the anion substitution value (DS that changes in wide region A), this especially depends on the kind of used polymer; DS A0.01-2.0 normally, 0.02-1.8 and preferred 0.025-1.5 suitably; And aromatics substitution value (DS Q) can be 0.001-1.0, common 0.01-0.8,0.02-0.7 and preferred 0.025-0.5 suitably.If anionic polymer comprises cation group, CATION substitution value (DS C) can be, for example, 0-0.2,0-0.1 and preferably 0-0.05 suitably, described anionic polymer has total anionic charge.Usually the anionic charge density of anionic polymer is the 0.1-6.0meqv/g dry polymeric, suitably 0.5-5.0 and preferred 1.0-4.0.
The cationic organic polymer with aromatic group of applying glue promoter and have the anionic polymer of aromatic group and can any order separate add aqueous dispersion (raw material) and addition can change in grace period with size dispersions, this especially depends on the kind of raw material, salt content, the kind of salt, filer content, the kind of filler adds point, etc.The addition of general polymerization thing obtain when not adding them better sizability and usually cationic organic polymer before adding anionic polymer, add in the raw material.The addition of cationic polymer generally is at least 0.001%, at least 0.005% weight usually, and based on dried raw material, and the upper limit 3% and suitably 2.0% weight normally.The addition of anionic polymer generally is at least 0.001%, at least 0.005% weight usually, and based on dried raw material, and the upper limit 3% and suitably 1.5% weight normally.
Except cationic organic polymer and anionic polymer, applying glue promoter can comprise other compound such as the anion micro particulate materials that can improve applying glue efficient, as, silica-Ji particle and montmorillonite type clay, the low molecular weight cationic organic polymer, aluminium compound such as alum, aluminate, aluminium chloride, aluminum nitrate and poly-aluminium compound are as polyaluminium chloride, poly aluminium sulfate, the poly-aluminium compound that comprises chloride and sulfate ion, poly-silicic acid-aluminum sulfate and its mixture, anionic vinyl addition polymer and its combination.
Method of the present invention is preferred for making paper by the suspension that comprises cellulose fibre and nonessential filler with high conductivity.Usually, the conductance of raw material is 0.20mS/cm at least, 0.5mS/cm at least suitably, preferably 3.5mS/cm at least.Very good sizing results is surpassing 5.0mS/cm and even is surpassing under the conductivity level of 7.5mS/cm and observe.Conductance can be by standard device as, the WTW LF539 Instrument measuring of being supplied with by Christian Berner for example.Above-mentioned value be fed to by measurement suitably or the head of paper machine before case or be present in cellulose suspension wherein conductance or, in addition, determine by the conductance of measuring the plain boiled water that the suspension dehydration obtains.The high conductivity level means the salt (electrolyte) of high-load, wherein various salt can based on single-, two-and polyvalent cation such as alkali metal, as Na +And K +, alkaline earth is as Ca 2+And Mg 2+, aluminium ion is as Al 3+, Al (OH) 2+With poly-aluminium ion, and single-, two-and multivalent anions such as halide, as, Cl -, sulfate is as SO 4 2-And HSO 4 -, carbonate is as CO 3 2-And HCO 3 -, silicate and rudimentary organic acid.The present invention especially can be used for by have high-load two-and the raw material of polyvalent cation salt make paper, and cations is 200ppm at least usually, suitably 300ppm and preferably 400ppm at least at least.Salt can wherein mix forming the dilute suspension that is applicable to papermaking in the paper mill usually derived from the cellulose fiber peacekeeping filler that especially is used to form raw material in integrated plant with water from the fiber water dispersion of pulp mill.Salt also can be supplied with the fresh water of this method derived from the various additives of introducing raw material, or deliberately adds, etc.In addition, higher in the content of the salt method that plain boiled water fully circulates therein usually, this can cause salt obviously to be assembled in the water circulation of this method.
The present invention further comprises plain boiled water wherein fully circulate (recirculation), the papermaking process that promptly has the height whitewater closure is for example wherein produced dried paper per ton and is used 0-30 ton fresh water, is usually less than 20, be lower than 15 suitably, preferably be lower than 10 and especially be lower than 5 tons of fresh waters/ton paper.The recirculation of the plain boiled water that obtains in the method comprises, plain boiled water is mixed the suspension that forms used applying glue with cellulose fibre and/or nonessential filler; Preferred it comprise, mix before plain boiled water and the suspension that comprises cellulose fibre and nonessential filler are entered the forming web that is used for applying glue at this suspension.
Other additive of using always in the papermaking, for example, additional dry strength agent, wet strength agent can be used in combination with additive according to the present invention certainly.Cellulose suspension, or raw material also can comprise the mineral filler of general type, for example, and kaolin, china clay, titanium dioxide, gypsum, talcum and natural and synthetic calcium carbonate such as chalk are pulverized marble and winnofil.
Method of the present invention is used to produce paper.Term used herein " paper " not only comprises paper and production thereof certainly, and comprises other sheet material or web-shaped product, for example plate and cardboard, and produce.This method can be used for should being comprised suitably by the variety classes suspension production paper of the fiber of cellulose and this suspension these fibers of at least 25% weight and preferred at least 50% weight, based on dry.Suspension can be based on from chemical pulp such as sulfate, sulphite and organic solvent (organosolv) paper pulp, mechanical pulp such as thermodynamics paper pulp, chemistry-thermodynamics paper pulp, refiner paper pulp and wood fragments paper pulp, from the fiber of hardwood and soft wood, and can be based on optionally from recycled fiber and its mixture of de inked pulp.The present invention especially can be used for making paper by the suspension based on paper pulp that comprises recycled fiber and de inked pulp, and the content of the cellulose fibre in this source can be the highest by 100%, suitably 20%-100%.
The present invention further specifies in following examples, but they have no intention it is limited.Unless refer else, umber and % are meant weight portion and % weight respectively.
In following all embodiment, size dispersions and applying glue promoter separately add cellulose suspension.In addition, if promoter comprises more than one the polymer with aromatic group, these polymer add suspension mutually and with dispersion dividually.
Embodiment 1
The sizability of this method is assessed by using cobb 60 tests.
Prepare and comprise alkyl ketene dimer, the anion size dispersions of condensation naphthalene sulfonate and two (h-tallow) alkyl dimethyl ammonium chloride.This size dispersions has AKD content 30% and comprises 4% 2 (h-tallow) alkyl dimethyl ammonium chloride and 6% condensation naphthalene sulfonate, based on AKD.Size dispersions adds raw material with the dried raw material of amount 5kg AKD/ ton.
In test 2, applying glue promoter comprises condensation naphthalene sulfonate (obtaining with trade name Tamol ) and has the cationic starch that CATION replaces DS 0.065 for nitrogenous benzyl.In test 1, will have CATION the cationic starch that does not have aromatic group of DS 0.065 and the anionic inorganic silica granule that provides as colloidal sol will be provided, promptly the non-aromatic polymer of anion adds batching.
Used batching is based on 80% weight bleaching birch/pine (60/40) sulfate pulp and 20% weight CaCO 3, be refined to 200CSF and comprise 0.3g Na 2SO 4/ rise raw material, have conductance 461 μ S/cm and pH8.1.
Table 1
Test № Anion size dispersions [the kg sizing agent/dried raw material of ton] Cationic starch/[the dried raw material of kg/ ton] that comprises aromatic group Cationic starch (not having aromatic group)/[the dried raw material of kg starch/ton]
Test 1 ????0.5 ????0 ???10
Test 2 ????0.5 ????10 ???0
Table 1 (continuing)
Test № Condensation naphthalene sulfonate [the kg condensation product/dried raw material of ton] Anion silicon stone granulate/[the kg silica/dried raw material of ton] ????cobb?60/[g/m 2]
Test 1 ????0 ???1 ????45.2
Test 2 ????1 ???0 ????29.3
Embodiment 2
Assessment sizability (cobb 60 tests), wherein adding has applying glue promoter (test 1) that CATION replace cationic starch and the anionic inorganic silica granule of DS 0.065 with comprising to nitrogenous benzyl with embodiment 1 described identical anion size dispersions; With comprise the condensation naphthalene sulfonate that obtains with trade name Tamol  and nitrogenous benzyl had the promoter (test 2) that CATION replaces cationic starch and the anionic inorganic silica granule of DS 0.065.But calcium chloride is added batching to regulate conductance to 5000 μ S/cm, and simulation has the raw material of high conductivity like this.
Table 2
Test № Anion size dispersions [the kg sizing agent/dried raw material of ton] Cationic starch/[the dried raw material of ton/ton] that comprises aromatic group Cationic starch (not having aromatic group)/[the dried raw material of kg starch/ton]
Test 1 ????0.5??????????? ????10 ??0???????
Test 2 ????0.5??????????? ????10 ??0??????
Table 2 (continuing)
Test № Condensation naphthalene sulfonate [the kg condensation product/dried raw material of ton] Anion silicon stone granulate/[the kg silica/dried raw material of ton] ????cobb?60/[g/m 2]
Test 1 ????0 ??1????? ????75
Test 2 ????1 ??0???? ????27.8
Embodiment 3
Use comprises 15% alkyl ketene dimer based on AKD, the CATION size dispersions assessment sizability of 2% cationic starch and 0.6% sodium lignin sulfonate.The addition that is included in component in the applying glue promoter and component as seen from Table 3, comprise the condensation naphthalene sulfonate, the cationic starch that comprises aromatic group of DS0.065 and the anionic inorganic silica granule that provides as colloidal sol are provided the cationic starch that does not have aromatic group with DS0.065.Used raw material be embodiment 2 pass through the calcium chloride is added the raw material with pH8.1 and conductance 5000 μ S/cm that raw material obtains.
Table 3
Test № Anion size dispersions [the kg sizing agent/dried raw material of ton] Cationic starch/[the dried raw material of kg/ ton] that comprises aromatic group Cationic starch (not having aromatic group)/[the dried raw material of kg starch/ton]
Test 1 ????0.5 ????0 ???10
Test 2 ????0.5 ????10 ???0
Table 3 (continuing)
Test № Condensation naphthalene sulfonate [the kg condensation product/dried raw material of ton] Anion silicon stone granulate/[the kg silica/dried raw material of ton] ????cobb?60/[g/m 2]
Test 1 ????0 ????1 ????55
Test 2 ????1 ????0 ????27.8?????????
Embodiment 4
Prepare and comprise 8.9% commercial alkyl ketene dimer, the anion size dispersions of the condensation naphthalene sulfonate that the cationic starch that 0.89% aromatics with DS 0.065 that comprises benzyl group replaces and 0.22% obtains with trade name Tamol .Anionic dispersions is comprised 30% pine, 30% honeybee, 40%Eucaluptus and 15% deposit C aCO with the amount adding based on ketene dimer 0.0115% (butt) 3Cellulose suspension (butt).The conductance of suspension is 500 μ S/cm.The applying glue promoter (test 2) that in suspension, adds in addition the condensation naphthalene sulfonate that comprises benzyl substituted starch and obtain with trade name Tamol  with DS 0.065.
Add identical anionic dispersions in addition to identical suspension.But the applying glue promoter that adds suspension does not contain aromatic polymer.The anionic inorganic silica granule that has the DS0.065 cationic starch and provide as colloidal sol (test 1) that does not have aromatic group is provided applying glue promoter.The amount of the promoter polymer of this dispersion and sizing agent (AKD) provides in table 4.
Table 4
Test № Anion size dispersions [the kg sizing agent/dried raw material of ton] Cationic starch/[the dried raw material of kg/ ton] that comprises aromatic group Cationic starch (not having aromatic group)/[the dried raw material of kg starch/ton]
Test 1 ????0.115 ????0 ???5
Test 1 ????0.125 ????0 ???5
Test 1 ????0.140 ????0 ???5
Test 2 ????0.115 ????5 ???0
Test 2 ????0.125 ????5 ???0
Test 2 ????0.140 ????5 ???0
Test № Condensation naphthalene sulfonate [the kg condensation product/dried raw material of ton] Anion silicon stone granulate/[the kg silica/dried raw material of ton] ??cobb?60/[g/m 2]
Test 1 ????0 ????0.120 ???90.0
Test 1 ????0 ????0.120 ???50.0
Test 1 ????0 ????0.120 ???29.0
Test 2 ????0.120 ????0 ???28.0
Test 2 ????0.120 ????0 ???27.0
Test 2 ????0.120 ????0 ???25.5
Embodiment 5
In this embodiment, use dispersion and the applying glue promoter identical with embodiment 2, the conductance that is suspension is 5000 μ S/cm.
The amount of the promoter polymer of this dispersion and sizing agent (AKD) provides in table 5.
Table 5
Test № Anion size dispersions [the kg sizing agent/dried raw material of ton] Cationic starch/[the dried raw material of kg/ ton] that comprises aromatic group Cationic starch (not having aromatic group)/[the dried raw material of kg starch/ton]
Test 1 ????0.140 ????0 ???5
Test 1 ????0.160 ????0 ???5
Test 1 ????0.180 ????0 ???5
Test 1 ????0.200 ????0 ???5
Test 2 ????0.100 ????5 ???0
Test 2 ????0.115 ????5 ???0
Test 2 ????0.125 ????5 ???0
Test 2 ????0.140 ????5 ???0
Test № Condensation naphthalene sulfonate [the kg condensation product/dried raw material of ton] Anion silicon stone granulate/[the kg silica/dried raw material of ton] ??cobb?60/[g/m 2]
Test 1 ????0 ????0.120 ???150
Test 1 ????0 ????0.120 ???137
Test 1 ????0 ????0.120 ???138
Test 1 ????0 ????0.120 ???110
Test 2 ????0.120 ????0 ???47
Test 2 ????0.120 ????0 ???35
Test 2 ????0.120 ????0 ???33
Test 2 ????0.120 ????0 ???25
Embodiment 6
The sizability of method is assessed by using Cobb 60 tests.Prepare and comprise alkyl ketene dimer, the anion size dispersions of condensation naphthalene sulfonate and two (h-tallow) alkyl dimethyl ammonium chloride.This size dispersions has AKD content 30% and comprises 4% 2 (h-tallow) alkyl dimethyl ammonium chloride and 6% condensation naphthalene sulfonate, based on AKD.Size dispersions adds raw material with the dried raw material of amount 0.3kg AKD/ ton.
To have CATION for nitrogenous benzyl replaces the cationic starch of DS 0.065 and has the starch that CATION replaces DS 0.065 and be used in combination with condensation naphthalene sulfonate and melamine sulfonates respectively.
Used batching is based on 80% weight bleaching birch/pine (60/40) sulfate pulp and 20% weight CaCO 3, be refined to 200 CSF and comprise 0.3g/ and rise raw material, obtain conductance 555 μ S/cm and pH8.22.
Table 6
Test № The anion size dispersions kg sizing agent/dried raw material of ton The cationic starch kg/ ton dry pulp that comprises aromatic group The cationic starch kg starch/ton dry pulp that does not have aromatic group
Test 1 ???0.3 ??10
Test 2 ???0.3 ??10
Test 3 ???0.3 10
Test 4 ???0.3 10
Test № Condensation naphthalene sulfonate kg condensation product/ton dry pulp Melamine sulfonates kg silica/ton dry pulp ????cobb?60 ????g/m 2
Test 1 ??1 ????33
Test 2 ??1 ????52
Test 3 ??1 ????35
Test 4 ??1 ????68

Claims (78)

1. the method executed of gummed paper comprises in the aqueous dispersion that comprises cellulose fibre and nonessential filler adding
(i) anion or CATION size dispersions and
(ii) comprise cationic organic polymer with one or more aromatic groups, applying glue promoter with anionic polymer with one or more aromatic groups, described anionic polymer is the step-growth polymerization thing, polysaccharide or the aromatic polymer that exists naturally
With moulding of gained suspension and drainage, wherein size dispersions and applying glue promoter separately add aqueous dispersion.
2. according to the process of claim 1 wherein that the cationic organic polymer and the anionic polymer that are included in the applying glue promoter separately join in the water slurry.
3. according to the method for claim 1, wherein will be included in the anionic polymer in the applying glue promoter with aromatic group, at size dispersions with after being included in cationic organic polymer in the applying glue promoter, join in the water slurry with aromatic group.
4. according to the process of claim 1 wherein that sizing agent comprises the cellulose reactive sizing agent.
5. according to the process of claim 1 wherein that sizing agent comprises ketene dimer or acid anhydrides.
6. according to the process of claim 1 wherein that sizing agent comprises acid anhydrides.
7. according to the process of claim 1 wherein that cationic organic polymer is cationic polysaccharide or cationic ethylene based addition polymer.
8. according to the process of claim 1 wherein that cationic organic polymer is the cationic polysaccharide with structural formula (I):
Figure A0181469000021
Wherein P is the residue of polysaccharide; A is the chain that N is connected to the atom that comprises C and H atom on the polysaccharide residue radical, R 1And R 2Be respectively H or hydrocarbyl group, R 3Be aromatic hydrocarbon radical, n is an integer of 2 to the highest 300000, and X -It is anionic counter-ion; And/or comprise the cationic monomer of the cationic monomer that is expressed as general formula (II) or the vinyl addition polymer that monomer mixture obtains by polymerization:
Figure A0181469000031
R wherein 1Be H or CH 3R 2And R 3Be respectively alkyl group with 1-3 carbon atom, A 1Be O or NH, B 1Be alkylidene group or the hydroxy propylidene group with 2-8 carbon atom, Q is the substituting group that comprises aromatic group, and X -It is anionic counter-ion.
9. according to the process of claim 1 wherein that cationic organic polymer is selected from cationic polysaccharide.
10. according to the process of claim 1 wherein that cationic organic polymer is selected from cationic starch.
11. according to the process of claim 1 wherein that cationic polymer is selected from the have structural formula cationic polysaccharide of (I):
Wherein P is the residue of polysaccharide; A is the chain that N is connected to the atom that comprises C and H atom on the polysaccharide residue radical, R 1And R 2Be respectively H or hydrocarbyl group, R 3Be aromatic hydrocarbon radical, n be integer 2 to the highest by 300000, and X -It is anionic counter-ion.
12. according to the method for claim 11, wherein A is the alkylidene with 2-18 carbon atom, is optionally interrupted by one or more hetero atoms or replaces; R 1And R 2Be respectively H or have the alkyl group of 1-3 carbon atom; R 3Be benzyl or phenylethyl group.
13. according to the process of claim 1 wherein that anionic polymer is step-growth polymerization thing or the aromatic polymer that exists naturally.
14. according to the process of claim 1 wherein that anionic polymer is the lignin polymers of naphthalene sulfonate condensation polymer or modification.
15. according to the process of claim 1 wherein that the anionic polymer with aromatic group is condensation naphthalene sulfonate or lignosulfonates.
16. according to the process of claim 1 wherein that the conductance of suspension is 4.5mS/cm at least.
17. the method for paper applying glue comprises in the aqueous dispersion that comprises cellulose fibre and nonessential filler adding
(i) comprise sizing agent and anion or CATION size dispersions with anionic polymer of one or more aromatic groups, described anionic polymer is the step-growth polymerization thing, polysaccharide or the aromatic polymer that exists naturally, the addition of size dispersions in suspension is about 0.01% to the highest about 5.0% weight, calculates with the sizing agent based on dried fiber; With
(ii) comprise cationic organic polymer with one or more aromatic groups, applying glue promoter with anionic polymer with one or more aromatic groups, described anionic polymer is the step-growth polymerization thing, polysaccharide or the aromatic polymer that exists naturally; The addition of cationic polymer in suspension be based on dried fiber about 0.001% to the highest about 3% weight, and the addition of anionic polymer in suspension be based on dried fiber about 0.001% to the highest about 3% weight,
With moulding of gained suspension and drainage, during wherein size dispersions and applying glue promoter separately add in the aqueous dispersion.
18. according to the method for claim 17, wherein cationic organic polymer is cationic polysaccharide or cationic ethylene based addition polymer.
19. according to the method for claim 18, wherein cationic organic polymer is the cationic polysaccharide with structural formula (I):
Figure A0181469000041
Wherein P is the residue of polysaccharide; A is the chain that N is connected to the atom that comprises C and H atom on the polysaccharide residue radical, R 1And R 2Be respectively H or hydrocarbyl group, R 3Be aromatic hydrocarbon radical, n is an integer in 2 to the highest 300000, and X -It is anionic counter-ion; Or comprise the cationic monomer of the cationic monomer that is expressed as general formula (II) or the vinyl addition polymer that monomer mixture obtains by polymerization:
R wherein 1Be H or CH 3R 2And R 3Be respectively alkyl group with 1-3 carbon atom, A 1Be O or NH, B 1Be alkylidene group or the hydroxy propylidene group with 2-8 carbon atom, Q is the substituting group that comprises aromatic group, and X -It is anionic counter-ion.
20. according to the method for claim 17, wherein cationic organic polymer is a cationic polysaccharide.
21. according to the method for claim 20, wherein cationic organic polymer is the cationic polysaccharide with structural formula (I):
Figure A0181469000052
Wherein P is the residue of polysaccharide; A is the chain that N is connected to the atom that comprises C and H atom on the polysaccharide residue radical, R 1And R 2Be respectively H or hydrocarbyl group, R 3Be aromatic hydrocarbon radical, n is an integer in 2 to the highest 300000, and X -It is anionic counter-ion.
22. according to the method for claim 21, wherein A is the alkylidene group with 2-18 carbon atom, is optionally interrupted by one or more hetero atoms or replaces; R 1And R 2Be respectively H or have the alkyl group of 1-3 carbon atom; R 3Be benzyl or phenylethyl group.
23. according to the method for claim 17, wherein anionic polymer is step-growth polymerization thing or the aromatic polymer that exists naturally.
24. according to the method for claim 23, wherein anionic polymer is the lignin polymers of naphthalene sulfonate condensation polymer or modification.
25. according to the method for claim 24, wherein anionic polymer is condensation naphthalene sulfonate or lignosulfonates.
26. according to the method for claim 17, wherein sizing agent is cellulose-reactive sizing agent.
27. according to the method for claim 26, wherein sizing agent is ketene dimer or acid anhydrides.
28. according to the method for claim 26, wherein sizing agent is an acid anhydrides.
29. according to the method for claim 17, wherein the conductance of suspension is 4.5mS/cm at least.
30. according to the method for claim 17, the cationic organic polymer and the anionic polymer that wherein are included in the applying glue promoter separately add aqueous dispersion.
31. according to the method for claim 17, the anionic polymer that wherein will be included in the applying glue promoter adds water slurry afterwards at size dispersions and the cationic organic polymer that is included in the applying glue promoter.
32. a method that is used for sized paper comprises, adds in the aqueous dispersion that comprises cellulose fibre and nonessential filler
(i) comprise sizing agent, cationic organic polymer polymer and anion or CATION size dispersions with one or more aromatic groups with anionic polymer of one or more aromatic groups, described anionic polymer is the step-growth polymerization thing, polysaccharide or the aromatic polymer that exists naturally, the addition of size dispersions in suspension is about 0.01% to the highest about 5.0% weight, calculates with the sizing agent based on dried fiber; With
(ii) comprise cationic organic polymer with one or more aromatic groups, applying glue promoter with anionic polymer with one or more aromatic groups, described anionic polymer is the step-growth polymerization thing, polysaccharide or the aromatic polymer that exists naturally; The addition of cationic polymer in suspension be based on dried fiber about 0.001% to the highest about 3% weight, and the addition of anionic polymer in suspension be based on dried fiber about 0.001% to the highest about 3% weight,
With moulding of gained suspension and drainage, wherein size dispersions and applying glue promoter separately add aqueous dispersion.
33. according to the method for claim 32, wherein the cationic organic polymer of size dispersions and applying glue promoter is cationic polysaccharide or cationic ethylene based addition polymer.
34. according to the method for claim 33, wherein the cationic organic polymer of size dispersions and applying glue promoter is the cationic polysaccharide with structural formula (I):
Figure A0181469000071
Wherein P is the residue of polysaccharide; A is the chain that N is connected to the atom that comprises C and H atom on the polysaccharide residue radical, R 1And R 2Be respectively H or hydrocarbyl group, R 3Be aromatic hydrocarbon radical, n be integer 2 to the highest by 300000, and X -It is anionic counter-ion; Or comprise the cationic monomer of the cationic monomer that is expressed as general formula (II) or the vinyl addition polymer that monomer mixture obtains by polymerization:
R wherein 1Be H or CH 3R 2And R 3Be respectively alkyl group with 1-3 carbon atom, A 1Be O or NH, B 1Be alkylidene group or the hydroxy propylidene group with 2-8 carbon atom, Q is the substituting group that comprises aromatic group, and X -It is anionic counter-ion.
35. according to the method for claim 32, wherein the cationic organic polymer of size dispersions and applying glue promoter is a cationic polysaccharide.
36. according to the method for claim 35, wherein cationic organic polymer is the cationic polysaccharide with structural formula (I):
Figure A0181469000073
Wherein P is the residue of polysaccharide; A is the chain that N is connected to the atom that comprises C and H atom on the polysaccharide residue radical, R 1And R 2Be respectively H or hydrocarbyl group, R 3Be aromatic hydrocarbon radical, n be integer 2 to the highest by 300000, and X -It is anionic counter-ion.
37. according to the method for claim 36, wherein A is the alkylidene group with 2-18 carbon atom, is optionally interrupted by one or more hetero atoms or replaces; R 1And R 2Be respectively H or have the alkyl group of 1-3 carbon atom; R 3Be benzyl or phenylethyl group.
38. according to the method for claim 32, wherein the anionic polymer of size dispersions and applying glue promoter is step-growth polymerization thing or the aromatic polymer that exists naturally.
39. according to the method for claim 38, wherein anionic polymer is the lignin polymers of naphthalene sulfonate condensation polymer or modification.
40. according to the method for claim 39, wherein anionic polymer is condensation naphthalene sulfonate or lignosulfonates.
41. according to the method for claim 32, wherein sizing agent is cellulose-reactive sizing agent.
42. according to the method for claim 32, wherein the conductance of suspension is 4.5mS/cm at least.
43. according to the method for claim 32, the cationic organic polymer and the anionic polymer that wherein are included in the applying glue promoter separately add water slurry.
44. according to the method for claim 32, the anionic polymer that wherein will be included in the applying glue promoter adds water slurry afterwards at size dispersions and the cationic organic polymer that is included in the applying glue promoter.
45. a method that is used for sized paper comprises, adds in the aqueous dispersion that comprises cellulose fibre and nonessential filler
(i) comprise sizing agent and anion or CATION size dispersions with anionic polymer of one or more aromatic groups, described anionic polymer is the step-growth polymerization thing, polysaccharide or the aromatic polymer that exists naturally, the addition of size dispersions in suspension is about 0.01% to the highest about 5.0% weight, calculates with the sizing agent based on dried fiber; With
(ii) applying glue promoter is included as the cationic organic polymer with one or more aromatic groups of cationic polysaccharide and is the anionic polymer with one or more aromatic groups of the lignin polymers of naphthalene sulfonate condensation polymer or modification; The addition of cationic polymer in suspension be based on dried fiber about 0.001% to the highest about 3% weight, and the addition of anionic polymer in suspension be based on dried fiber about 0.001% to the highest about 3% weight,
With moulding of gained suspension and drainage, wherein size dispersions and applying glue promoter separately add aqueous dispersion.
46. according to the method for claim 45, wherein cationic organic polymer is the cationic polysaccharide with structural formula (I):
Figure A0181469000091
Wherein P is the residue of polysaccharide; A is the chain that N is connected to the atom that comprises C and H atom on the polysaccharide residue radical, R 1And R 2Be respectively H or hydrocarbyl group, R 3Be aromatic hydrocarbon radical, n be integer 2 to the highest by 300000, and X -It is anionic counter-ion.
47. according to the method for claim 46, wherein A is the alkylidene group with 2-18 carbon atom, is optionally interrupted by one or more hetero atoms or replaces; R 1And R 2Be respectively H or have the alkyl group of 1-3 carbon atom; R 3Be benzyl or phenylethyl group.
48. according to the method for claim 45, wherein the anionic polymer of size dispersions and promoter is condensation naphthalene sulfonate or lignosulfonates.
49. according to the method for claim 45, wherein sizing agent is cellulose-reactive sizing agent.
50. according to the method for claim 45, wherein the conductance of suspension is 4.5mS/cm at least.
51. according to the method for claim 45, the cationic organic polymer and the anionic polymer that wherein are included in the applying glue promoter separately add aqueous dispersion.
52. according to the method for claim 45, the anionic polymer that wherein will be included in the applying glue promoter adds water slurry afterwards at size dispersions and the cationic organic polymer that is included in the applying glue promoter.
53. a method that is used for sized paper comprises, adds in the aqueous dispersion that comprises cellulose fibre and nonessential filler
(i) anion or CATION size dispersions, comprise sizing agent, for the cationic organic polymer polymer with one or more aromatic groups of cationic polysaccharide be the anionic polymer with one or more aromatic groups of the lignin polymers of naphthalene sulfonate condensation polymer or modification, the addition of size dispersions in suspension is about 0.01% to the highest about 5.0% weight, calculates with the sizing agent based on dried fiber; With
(ii) applying glue promoter is included as the cationic organic polymer with one or more aromatic groups of cationic polysaccharide and is the anionic polymer with one or more aromatic groups of the lignin polymers of naphthalene sulfonate condensation polymer or modification; The addition of cationic polymer in suspension be based on dried fiber about 0.001% to the highest about 3% weight, and the addition of anionic polymer in suspension be based on dried fiber about 0.001% to the highest about 3% weight,
With moulding of gained suspension and drainage, wherein size dispersions and applying glue promoter separately add aqueous dispersion.
54. according to the method for claim 53, wherein cationic organic polymer is selected from the have structural formula cationic polysaccharide of (I):
Wherein P is the residue of polysaccharide; A is the chain that N is connected to the atom that comprises C and H atom on the polysaccharide residue radical, R 1And R 2Be respectively H or hydrocarbyl group, R 3Be aromatic hydrocarbon radical, n be integer 2 to the highest by 300000, and X -It is anionic counter-ion.
55. according to the method for claim 54, wherein A is the alkylidene group with 2-18 carbon atom, is optionally interrupted by one or more hetero atoms or replaces; R 1And R 2Be respectively H or have the alkyl group of 1-3 carbon atom; R 3Be benzyl or phenylethyl group.
56. according to the method for claim 53, wherein the anionic polymer of size dispersions and promoter is condensation naphthalene sulfonate or lignosulfonates.
57. according to the method for claim 53, wherein sizing agent is cellulose-reactive sizing agent.
58. according to the method for claim 53, wherein the conductance of suspension is 4.5mS/cm at least.
59. according to the method for claim 53, the cationic organic polymer and the anionic polymer that wherein are included in the applying glue promoter separately add aqueous dispersion.
60. according to the method for claim 53, the anionic polymer that wherein will be included in the applying glue promoter adds water slurry afterwards at size dispersions and the cationic organic polymer that is included in the applying glue promoter.
61. a method that is used for sized paper comprises, adds in the aqueous dispersion that comprises cellulose fibre and nonessential filler
(i) anion or CATION size dispersions, comprise sizing agent and be the anionic polymer with one or more aromatic groups of the lignin polymers of naphthalene sulfonate condensation polymer or modification, the addition of size dispersions in suspension is about 0.01% to the highest about 5.0% weight, calculates with the sizing agent based on dried fiber; With
(ii) applying glue promoter comprises the cationic organic polymer with one or more aromatic groups, and described cationic organic polymer is the cationic polysaccharide with structural formula (I):
Figure A0181469000111
Wherein P is the residue of polysaccharide; A is the chain that N is connected to the atom that comprises C and H atom on the polysaccharide residue radical, R 1And R 2Be respectively H or hydrocarbyl group, R 3Be aromatic hydrocarbon radical, n be integer 2 to the highest by 300000, and X -Be anionic counter-ion and be the anionic polymer with one or more aromatic groups of condensation naphthalene sulfonate or lignosulfonates; The amount that joins the cationic polymer in the suspension is that benchmark is about 0.001% to about 3% weight with dried fiber, and the amount that joins the anionic polymer in the suspension is that benchmark is about 0.001% to about 0.3% weight with dried fiber,
With moulding of gained suspension and drainage, wherein size dispersions and applying glue promoter separately add aqueous dispersion.
62. according to the method for claim 61, wherein A is the alkylidene group with 2-18 carbon atom, is optionally interrupted by one or more hetero atoms or replaces; R 1And R 2Be respectively H or have the alkyl group of 1-3 carbon atom; R 3Be benzyl or phenylethyl group.
63. according to the method for claim 61, wherein sizing agent is cellulose-reactive sizing agent.
64. according to the method for claim 61, wherein the conductance of suspension is 4.5mS/cm at least.
65. according to the method for claim 61, the cationic organic polymer and the anionic polymer that wherein are included in the applying glue promoter separately add aqueous suspension.
66. according to the method for claim 61, the anionic polymer that wherein will be included in the applying glue promoter adds water slurry afterwards at size dispersions and the cationic organic polymer that is included in the applying glue promoter.
67. according to the method for claim 61, wherein the amount of sizing agent in dispersion be based on total emulsion about 0.1 to the highest about 50% weight.
68. according to the method for claim 61, wherein the amount of the anionic polymer of size dispersions be based on sizing agent about 0.1% to the highest about 15% weight.
69. according to the method for claim 61, wherein the amount of the cationic polymer of size dispersions be based on sizing agent about 0.1% to the highest about 15% weight.
70. a method that is used for sized paper comprises, adds in the aqueous dispersion that comprises cellulose fibre and nonessential filler
(i) anion or CATION size dispersions comprise sizing agent and the cationic organic polymer with one or more aromatic groups, and described cationic organic polymer is the cationic polysaccharide with structural formula (I):
Figure A0181469000121
Wherein P is the residue of polysaccharide; A is the chain that N is connected to the atom that comprises C and H atom on the polysaccharide residue radical, R 1And R 2Be respectively H or hydrocarbyl group, R 3Be aromatic hydrocarbon radical, n is an integer in 2 to the highest 300000, and X -It is anionic counter-ion, with anionic polymer with one or more aromatic groups for condensation naphthalene sulfonate or lignosulfonates, the addition of size dispersions in suspension is about 0.01% to the highest about 5.0% weight, calculates with the sizing agent based on dried fiber
(ii) applying glue promoter comprises sizing agent and the cationic organic polymer with one or more aromatic groups, and described cationic organic polymer is the cationic polysaccharide with structural formula (I):
Wherein P is the residue of polysaccharide; A is the chain that N is connected to the atom that comprises C and H atom on the polysaccharide residue radical, R 1And R 2Be respectively H or hydrocarbyl group, R 3Be aromatic hydrocarbon radical, n is an integer in the integer 2 to the highest 300000, and X -It is anionic counter-ion, with anionic polymer with one or more aromatic groups for condensation naphthalene sulfonate or lignosulfonates, the addition of cationic polymer in suspension be based on dried fiber about 0.001% to the highest about 3% weight, and the addition of anionic polymer in suspension be based on dried fiber about 0.001% to the highest about 3% weight
With moulding of gained suspension and drainage, wherein size dispersions and applying glue promoter separately add aqueous dispersion.
71. according to the method for claim 70, wherein A is the alkylidene group with 2-18 carbon atom, is optionally interrupted by one or more hetero atoms or replaces; R 1And R 2Be respectively H or have the alkyl group of 1-3 carbon atom; R 3Be benzyl or phenylethyl group.
72. according to the method for claim 70, wherein sizing agent is cellulose-reactive sizing agent.
73. according to the method for claim 70, wherein the conductance of suspension is 4.5mS/cm at least.
74. according to the method for claim 70, the cationic organic polymer and the anionic polymer that wherein are included in the applying glue promoter separately add water slurry.
75. according to the method for claim 70, the anionic polymer that wherein will be included in the applying glue promoter adds water slurry afterwards at size dispersions and the cationic organic polymer that is included in the applying glue promoter.
76. according to the method for claim 70, wherein the amount of sizing agent in dispersion be based on total emulsion about 0.1 to the highest about 50% weight.
77. according to the method for claim 70, wherein the amount of the anionic polymer of size dispersions be based on sizing agent about 0.1% to the highest about 15% weight.
78. according to the method for claim 70, wherein the amount of the cationic polymer of size dispersions be based on sizing agent about 0.1% to the highest about 15% weight.
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BR0112904A (en) 2003-07-01
KR20030042444A (en) 2003-05-28
CZ2003371A3 (en) 2004-03-17
CN1215221C (en) 2005-08-17
KR20030042447A (en) 2003-05-28
PT1309758E (en) 2012-07-09
EP1309755B2 (en) 2015-11-18
NO20030559D0 (en) 2003-02-04
WO2002012622A1 (en) 2002-02-14
CA2418424C (en) 2008-10-28
BR0112906B1 (en) 2012-03-20
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