EP2164908A1 - Verfahren zur herstellung von wässrigen anschlämmungen von feinteiligen füllstoffen und ihre verwendung zur herstellung von papieren mit hohem füllstoffgehalt und hoher trockenfestigkeit - Google Patents
Verfahren zur herstellung von wässrigen anschlämmungen von feinteiligen füllstoffen und ihre verwendung zur herstellung von papieren mit hohem füllstoffgehalt und hoher trockenfestigkeitInfo
- Publication number
- EP2164908A1 EP2164908A1 EP08774756A EP08774756A EP2164908A1 EP 2164908 A1 EP2164908 A1 EP 2164908A1 EP 08774756 A EP08774756 A EP 08774756A EP 08774756 A EP08774756 A EP 08774756A EP 2164908 A1 EP2164908 A1 EP 2164908A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- starch
- filler
- aqueous
- latex
- meth
- 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.)
- Withdrawn
Links
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- 229920006317 cationic polymer Polymers 0.000 description 1
- 229920006319 cationized starch Polymers 0.000 description 1
- 150000001768 cations Chemical class 0.000 description 1
- 235000013339 cereals Nutrition 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- AIXMJTYHQHQJLU-UHFFFAOYSA-N chembl210858 Chemical compound O1C(CC(=O)OC)CC(C=2C=CC(O)=CC=2)=N1 AIXMJTYHQHQJLU-UHFFFAOYSA-N 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 125000001309 chloro group Chemical group Cl* 0.000 description 1
- YACLQRRMGMJLJV-UHFFFAOYSA-N chloroprene Chemical compound ClC(=C)C=C YACLQRRMGMJLJV-UHFFFAOYSA-N 0.000 description 1
- GTZCVFVGUGFEME-IWQZZHSRSA-N cis-aconitic acid Chemical compound OC(=O)C\C(C(O)=O)=C\C(O)=O GTZCVFVGUGFEME-IWQZZHSRSA-N 0.000 description 1
- 235000000484 citronellol Nutrition 0.000 description 1
- 239000008119 colloidal silica Substances 0.000 description 1
- 239000000084 colloidal system Substances 0.000 description 1
- 239000013065 commercial product Substances 0.000 description 1
- 230000029087 digestion Effects 0.000 description 1
- SZXQTJUDPRGNJN-UHFFFAOYSA-N dipropylene glycol Chemical compound OCCCOCCCO SZXQTJUDPRGNJN-UHFFFAOYSA-N 0.000 description 1
- 229940043264 dodecyl sulfate Drugs 0.000 description 1
- 230000009977 dual effect Effects 0.000 description 1
- 239000000839 emulsion Substances 0.000 description 1
- 125000004185 ester group Chemical group 0.000 description 1
- 150000002148 esters Chemical class 0.000 description 1
- GLVVKKSPKXTQRB-UHFFFAOYSA-N ethenyl dodecanoate Chemical compound CCCCCCCCCCCC(=O)OC=C GLVVKKSPKXTQRB-UHFFFAOYSA-N 0.000 description 1
- UIWXSTHGICQLQT-UHFFFAOYSA-N ethenyl propanoate Chemical compound CCC(=O)OC=C UIWXSTHGICQLQT-UHFFFAOYSA-N 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 150000002191 fatty alcohols Chemical class 0.000 description 1
- 239000010419 fine particle Substances 0.000 description 1
- 125000001153 fluoro group Chemical group F* 0.000 description 1
- 239000001530 fumaric acid Substances 0.000 description 1
- 238000005227 gel permeation chromatography Methods 0.000 description 1
- 229940113087 geraniol Drugs 0.000 description 1
- 230000009477 glass transition Effects 0.000 description 1
- 125000002791 glucosyl group Chemical group C1([C@H](O)[C@@H](O)[C@H](O)[C@H](O1)CO)* 0.000 description 1
- 239000008187 granular material Substances 0.000 description 1
- 238000007646 gravure printing Methods 0.000 description 1
- YJSSCAJSFIGKSN-UHFFFAOYSA-N hex-1-en-2-ylbenzene Chemical compound CCCCC(=C)C1=CC=CC=C1 YJSSCAJSFIGKSN-UHFFFAOYSA-N 0.000 description 1
- XXMIOPMDWAUFGU-UHFFFAOYSA-N hexane-1,6-diol Chemical compound OCCCCCCO XXMIOPMDWAUFGU-UHFFFAOYSA-N 0.000 description 1
- 229920001519 homopolymer Polymers 0.000 description 1
- 230000002209 hydrophobic effect Effects 0.000 description 1
- 125000002887 hydroxy group Chemical group [H]O* 0.000 description 1
- 235000013828 hydroxypropyl starch Nutrition 0.000 description 1
- 239000004615 ingredient Substances 0.000 description 1
- 229910001410 inorganic ion Inorganic materials 0.000 description 1
- 229910010272 inorganic material Inorganic materials 0.000 description 1
- 239000011147 inorganic material Substances 0.000 description 1
- 150000002500 ions Chemical class 0.000 description 1
- NLYAJNPCOHFWQQ-UHFFFAOYSA-N kaolin Chemical compound O.O.O=[Al]O[Si](=O)O[Si](=O)O[Al]=O NLYAJNPCOHFWQQ-UHFFFAOYSA-N 0.000 description 1
- 239000004571 lime Substances 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 229920002521 macromolecule Polymers 0.000 description 1
- VZCYOOQTPOCHFL-UPHRSURJSA-N maleic acid Chemical compound OC(=O)\C=C/C(O)=O VZCYOOQTPOCHFL-UPHRSURJSA-N 0.000 description 1
- 239000011976 maleic acid Substances 0.000 description 1
- 239000004579 marble Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- XJRBAMWJDBPFIM-UHFFFAOYSA-N methyl vinyl ether Chemical compound COC=C XJRBAMWJDBPFIM-UHFFFAOYSA-N 0.000 description 1
- LVHBHZANLOWSRM-UHFFFAOYSA-N methylenebutanedioic acid Natural products OC(=O)CC(=C)C(O)=O LVHBHZANLOWSRM-UHFFFAOYSA-N 0.000 description 1
- DNIAPMSPPWPWGF-UHFFFAOYSA-N monopropylene glycol Natural products CC(O)CO DNIAPMSPPWPWGF-UHFFFAOYSA-N 0.000 description 1
- 238000000569 multi-angle light scattering Methods 0.000 description 1
- SLCVBVWXLSEKPL-UHFFFAOYSA-N neopentyl glycol Chemical compound OCC(C)(C)CO SLCVBVWXLSEKPL-UHFFFAOYSA-N 0.000 description 1
- QIQXTHQIDYTFRH-UHFFFAOYSA-N octadecanoic acid Chemical compound CCCCCCCCCCCCCCCCCC(O)=O QIQXTHQIDYTFRH-UHFFFAOYSA-N 0.000 description 1
- 238000007645 offset printing Methods 0.000 description 1
- 150000002894 organic compounds Chemical class 0.000 description 1
- 150000001451 organic peroxides Chemical class 0.000 description 1
- 239000003960 organic solvent Substances 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- WXZMFSXDPGVJKK-UHFFFAOYSA-N pentaerythritol Chemical compound OCC(CO)(CO)CO WXZMFSXDPGVJKK-UHFFFAOYSA-N 0.000 description 1
- PNJWIWWMYCMZRO-UHFFFAOYSA-N pent‐4‐en‐2‐one Natural products CC(=O)CC=C PNJWIWWMYCMZRO-UHFFFAOYSA-N 0.000 description 1
- NBIIXXVUZAFLBC-UHFFFAOYSA-K phosphate Chemical compound [O-]P([O-])([O-])=O NBIIXXVUZAFLBC-UHFFFAOYSA-K 0.000 description 1
- 239000010452 phosphate Substances 0.000 description 1
- 125000002467 phosphate group Chemical group [H]OP(=O)(O[H])O[*] 0.000 description 1
- ABLZXFCXXLZCGV-UHFFFAOYSA-N phosphonic acid group Chemical group P(O)(O)=O ABLZXFCXXLZCGV-UHFFFAOYSA-N 0.000 description 1
- 239000004584 polyacrylic acid Substances 0.000 description 1
- 229920000867 polyelectrolyte Polymers 0.000 description 1
- 229920001592 potato starch Polymers 0.000 description 1
- 238000007639 printing Methods 0.000 description 1
- FBCQUCJYYPMKRO-UHFFFAOYSA-N prop-2-enyl 2-methylprop-2-enoate Chemical compound CC(=C)C(=O)OCC=C FBCQUCJYYPMKRO-UHFFFAOYSA-N 0.000 description 1
- HJWLCRVIBGQPNF-UHFFFAOYSA-N prop-2-enylbenzene Chemical compound C=CCC1=CC=CC=C1 HJWLCRVIBGQPNF-UHFFFAOYSA-N 0.000 description 1
- 229960004063 propylene glycol Drugs 0.000 description 1
- 235000013772 propylene glycol Nutrition 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 230000000717 retained effect Effects 0.000 description 1
- RMAQACBXLXPBSY-UHFFFAOYSA-N silicic acid Chemical compound O[Si](O)(O)O RMAQACBXLXPBSY-UHFFFAOYSA-N 0.000 description 1
- 235000012239 silicon dioxide Nutrition 0.000 description 1
- 239000011734 sodium Substances 0.000 description 1
- 239000003381 stabilizer Substances 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
- 238000005728 strengthening Methods 0.000 description 1
- LSNNMFCWUKXFEE-UHFFFAOYSA-L sulfite Chemical compound [O-]S([O-])=O LSNNMFCWUKXFEE-UHFFFAOYSA-L 0.000 description 1
- 229910021653 sulphate ion Inorganic materials 0.000 description 1
- 239000004094 surface-active agent Substances 0.000 description 1
- 229920001059 synthetic polymer Polymers 0.000 description 1
- 239000000454 talc Substances 0.000 description 1
- 229910052623 talc Inorganic materials 0.000 description 1
- UBLMWQYLVOVZMT-UHFFFAOYSA-N tert-butyl n-(3-acetylphenyl)carbamate Chemical compound CC(=O)C1=CC=CC(NC(=O)OC(C)(C)C)=C1 UBLMWQYLVOVZMT-UHFFFAOYSA-N 0.000 description 1
- WMXCDAVJEZZYLT-UHFFFAOYSA-N tert-butylthiol Chemical compound CC(C)(C)S WMXCDAVJEZZYLT-UHFFFAOYSA-N 0.000 description 1
- 125000003396 thiol group Chemical group [H]S* 0.000 description 1
- 150000003573 thiols Chemical class 0.000 description 1
- 239000004408 titanium dioxide Substances 0.000 description 1
- GTZCVFVGUGFEME-UHFFFAOYSA-N trans-aconitic acid Natural products OC(=O)CC(C(O)=O)=CC(O)=O GTZCVFVGUGFEME-UHFFFAOYSA-N 0.000 description 1
- KHPCPRHQVVSZAH-UHFFFAOYSA-N trans-cinnamyl beta-D-glucopyranoside Natural products OC1C(O)C(O)C(CO)OC1OCC=CC1=CC=CC=C1 KHPCPRHQVVSZAH-UHFFFAOYSA-N 0.000 description 1
- 229960000834 vinyl ether Drugs 0.000 description 1
- 239000002023 wood Substances 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09C—TREATMENT OF INORGANIC MATERIALS, OTHER THAN FIBROUS FILLERS, TO ENHANCE THEIR PIGMENTING OR FILLING PROPERTIES ; PREPARATION OF CARBON BLACK ; PREPARATION OF INORGANIC MATERIALS WHICH ARE NO SINGLE CHEMICAL COMPOUNDS AND WHICH ARE MAINLY USED AS PIGMENTS OR FILLERS
- C09C3/00—Treatment in general of inorganic materials, other than fibrous fillers, to enhance their pigmenting or filling properties
- C09C3/10—Treatment with macromolecular organic compounds
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09C—TREATMENT OF INORGANIC MATERIALS, OTHER THAN FIBROUS FILLERS, TO ENHANCE THEIR PIGMENTING OR FILLING PROPERTIES ; PREPARATION OF CARBON BLACK ; PREPARATION OF INORGANIC MATERIALS WHICH ARE NO SINGLE CHEMICAL COMPOUNDS AND WHICH ARE MAINLY USED AS PIGMENTS OR FILLERS
- C09C1/00—Treatment of specific inorganic materials other than fibrous fillers; Preparation of carbon black
- C09C1/02—Compounds of alkaline earth metals or magnesium
- C09C1/021—Calcium carbonates
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09C—TREATMENT OF INORGANIC MATERIALS, OTHER THAN FIBROUS FILLERS, TO ENHANCE THEIR PIGMENTING OR FILLING PROPERTIES ; PREPARATION OF CARBON BLACK ; PREPARATION OF INORGANIC MATERIALS WHICH ARE NO SINGLE CHEMICAL COMPOUNDS AND WHICH ARE MAINLY USED AS PIGMENTS OR FILLERS
- C09C1/00—Treatment of specific inorganic materials other than fibrous fillers; Preparation of carbon black
- C09C1/02—Compounds of alkaline earth metals or magnesium
- C09C1/025—Calcium sulfates
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09C—TREATMENT OF INORGANIC MATERIALS, OTHER THAN FIBROUS FILLERS, TO ENHANCE THEIR PIGMENTING OR FILLING PROPERTIES ; PREPARATION OF CARBON BLACK ; PREPARATION OF INORGANIC MATERIALS WHICH ARE NO SINGLE CHEMICAL COMPOUNDS AND WHICH ARE MAINLY USED AS PIGMENTS OR FILLERS
- C09C1/00—Treatment of specific inorganic materials other than fibrous fillers; Preparation of carbon black
- C09C1/02—Compounds of alkaline earth metals or magnesium
- C09C1/027—Barium sulfates
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09C—TREATMENT OF INORGANIC MATERIALS, OTHER THAN FIBROUS FILLERS, TO ENHANCE THEIR PIGMENTING OR FILLING PROPERTIES ; PREPARATION OF CARBON BLACK ; PREPARATION OF INORGANIC MATERIALS WHICH ARE NO SINGLE CHEMICAL COMPOUNDS AND WHICH ARE MAINLY USED AS PIGMENTS OR FILLERS
- C09C1/00—Treatment of specific inorganic materials other than fibrous fillers; Preparation of carbon black
- C09C1/36—Compounds of titanium
- C09C1/3607—Titanium dioxide
- C09C1/3676—Treatment with macro-molecular organic compounds
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09C—TREATMENT OF INORGANIC MATERIALS, OTHER THAN FIBROUS FILLERS, TO ENHANCE THEIR PIGMENTING OR FILLING PROPERTIES ; PREPARATION OF CARBON BLACK ; PREPARATION OF INORGANIC MATERIALS WHICH ARE NO SINGLE CHEMICAL COMPOUNDS AND WHICH ARE MAINLY USED AS PIGMENTS OR FILLERS
- C09C1/00—Treatment of specific inorganic materials other than fibrous fillers; Preparation of carbon black
- C09C1/40—Compounds of aluminium
- C09C1/42—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
- 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
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
- C01P2004/00—Particle morphology
- C01P2004/60—Particles characterised by their size
- C01P2004/61—Micrometer sized, i.e. from 1-100 micrometer
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
- C01P2004/00—Particle morphology
- C01P2004/60—Particles characterised by their size
- C01P2004/62—Submicrometer sized, i.e. from 0.1-1 micrometer
-
- 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
-
- 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
- D21H17/36—Polyalkenyalcohols; Polyalkenylethers; Polyalkenylesters
-
- 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
-
- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
- D21H17/00—Non-fibrous material added to the pulp, characterised by its constitution; Paper-impregnating material characterised by its constitution
- D21H17/63—Inorganic compounds
- D21H17/67—Water-insoluble compounds, e.g. fillers, pigments
- D21H17/69—Water-insoluble compounds, e.g. fillers, pigments modified, e.g. by association with other compositions prior to incorporation in the pulp or paper
-
- 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
- D21H21/18—Reinforcing 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
- 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
Definitions
- the invention relates to a process for the treatment of aqueous slurries of finely divided fillers and their use for the production of papers with high filler content and high dry strength.
- the filler slurry is added to the fiber suspension prior to passing it to the former of the paper machine.
- a retention aid or retention aid system is typically added to the filler / pulp suspension to retain as much filler as possible in the paper sheet.
- the addition of the filler to the paper gives the papermaker the opportunity to achieve numerous improvements in sheet properties. These include properties such as opacity, whiteness, feel and printability.
- filler-containing papers or papers with a particularly high filler content are easier to dry than non-filler papers or papers with a lower filler content.
- the paper machine can be operated faster and with lower steam consumption, which both increases productivity and lowers costs.
- the filler addition to the fiber suspension also entails disadvantages which can only be partially compensated by the addition of further paper auxiliaries.
- the amount of filler that can be used there are limits to the amount of filler that can be used.
- the strength properties of the paper are usually the most important parameters that limit the amount of filler in the paper.
- Other factors, such as filler retention, dewatering of the pulp suspension, and possibly increased need for chemicals in retention and sizing may also play a role here.
- the loss of strength properties of papers can in some cases be compensated in whole or in part by the use of dry and wet strength agents.
- a common procedure is the addition of cationic starch as dry strength in the pulp.
- synthetic dry and wet strength e.g. based on cationic or anionic polyacrylamides used.
- the amount of addition and the strengthening effect are in most
- the increase in the filler content leads to an increase in paper density and a decrease in the thickness of the paper sheet at the same basis weight.
- the latter leads to a significant decrease in paper stiffness.
- This decrease in paper stiffness can not be compensated in many cases by the use of dry strength agents alone.
- additional measures such as the reduction of the mechanical pressure in the press section in the calenders, in calenders or in the dryer section of the paper machine are necessary. The latter compensates the thickness loss by increasing the filler in whole or in part.
- WO 03/087472 A1 discloses a process which describes the treatment of fillers with a composition consisting of swollen starch particles and latices.
- the latices used in this document are water-insoluble and are in the form of a dispersion. After separate preparation of this composition, this is added to the filler slurry, finally, the addition to the pulp and the sheet formation takes place.
- the starch particles are swollen starch particles.
- the composition may contain other co-additives such as anionic or cationic co-additives. Water-soluble amphoteric copolymers are not disclosed in WO 03/087472 A1.
- the object of the present invention was to provide further alternative processes for the treatment of aqueous slurries of finely divided fillers.
- the papers produced therewith are said to have strength properties comparable to those of conventional low filler content papers. These strength properties include above all the dry rice length, the inner strength and the stiffness of the paper.
- the object is achieved according to the invention by a process for the treatment of aqueous slurries of finely divided fillers, wherein an aqueous dispersion of at least one finely divided filler is metered into an aqueous dispersion of at least one latice and an aqueous slurry of at least one starch separated from one another.
- the components latex and starch are added separately to the aqueous slurry of at least one fine-particle filler.
- the aqueous dispersion of at least one latex or else the aqueous slurry of at least one starch is metered into the aqueous slurry of the at least one finely divided filler.
- the starch can be dosed already in the swollen state or only then subjected to the swelling process.
- the aqueous dispersion of at least one latex is added to the aqueous slurry of at least one finely divided filler. Subsequently, the addition of the aqueous slurry of at least one starch to this filler latex composition.
- the aqueous slurries prepared by the process according to the invention contain, for example, 1 to 70% by weight, preferably 5 to 50% by weight, particularly preferably 10 to 40% by weight, of at least one finely divided filler.
- the amount of latex is for example 0.01 to 10 wt .-%, preferably 0.1 to 5 wt .-%, particularly preferably 0.2 to 3 wt .-%, based on the filler.
- the metered amount of the starch is, for example, from 0.1 to 10% by weight, preferably from 0.3 to 6% by weight, more preferably from 0.5 to 3% by weight, based on the filler.
- latex in the sense of the present invention means water-insoluble homopolymers and copolymers which are preferably used in the form of dispersions or emulsions.
- the latex is preferably at least 40 wt .-%, preferably at least 60 wt .-%, more preferably at least 80 wt .-% of so-called main monomers (a).
- the main monomers (a) are selected from C 1 -C 20 -alkyl (meth) acrylates, vinyl esters of carboxylic acids containing up to 20 carbon atoms, vinylaromatics having up to 20 carbon atoms, ethylenically unsaturated nitriles, vinyl halides, vinyl ethers of from 1 to 10 ° C -Atome-containing alcohols, aliphatic hydrocarbons having 2 to 8 carbon atoms and one or two double bonds or mixtures of these monomers.
- (meth) acrylic acid alkyl ester having a Ci-Cio-alkyl radical such as methyl methacrylate, methyl acrylate, n-butyl acrylate, ethyl acrylate and 2-ethylhexyl acrylate.
- mixtures of (meth) acrylic acid alkyl esters are also suitable.
- Vinyl esters of carboxylic acids having 1 to 20 carbon atoms are, for. As vinyl laurate, stearate, vinyl propionate, vinyl versatate and vinyl acetate. Suitable vinylaromatic compounds are vinyltoluene, ⁇ - and p-methylstyrene, ⁇ -butylstyrene, 4-n-butylstyrene, 4-n-decylstyrene and preferably styrene. Examples of nitriles are acrylonitrile and methacrylonitrile.
- the vinyl halides are chloro, fluoro or bromo substituted ethylenically unsaturated compounds, preferably vinyl chloride and vinylidene chloride.
- vinyl ethers are, for. As vinyl methyl ether or vinyl isobutyl ether. Preferred are vinyl ethers of alcohols containing 1 to 4 carbon atoms.
- Ethylene, propylene, butadiene, isoprene and chloroprene are mentioned as aliphatic hydrocarbons having 2 to 8 carbon atoms and one or two olefinic double bonds.
- Preferred main monomers (a) are C 1 -C 20 -alkyl (meth) acrylates and mixtures of the alkyl (meth) acrylates with vinylaromatics, in particular styrene (also referred to as polyacrylate latex) or hydrocarbons having 2 double bonds, in particular butadiene, or mixtures of these Hydrocarbons with vinyl aromatics, especially styrene (collectively referred to as polybutadiene latex).
- vinylaromatics in particular styrene (also referred to as polyacrylate latex) or hydrocarbons having 2 double bonds, in particular butadiene, or mixtures of these Hydrocarbons with vinyl aromatics, especially styrene (collectively referred to as polybutadiene latex).
- the weight ratio of alkyl (meth) acrylates to vinylaromatics (in particular styrene) may be, for example, 10% by weight.
- the latex may contain other monomers (b), e.g. As monomers with carboxylic acid, sulfonic acid or phosphonic acid groups. Preferred are carboxylic acid groups. Called z. For example, acrylic acid, methacrylic acid, itaconic acid, maleic acid or fumaric acid and aconitic acid. The content of ethylenically unsaturated acids in the latex is generally less than 10% by weight.
- monomers (b) are z.
- hydroxyl-containing monomers in particular Ci-Cio-hydroxyalkyl (meth) acrylates, or amides such as (meth) acrylamide.
- Further monomers (b) are compounds which have at least two free-radically polymerizable double bonds, preferably 2 to 6, particularly preferably 2 to 4, very particularly preferably 2 to 3 and in particular 2. Such compounds are also referred to as crosslinkers.
- the at least two free-radically polymerizable double bonds of the crosslinkers (h) can be selected from the group consisting of (meth) acrylic, vinyl ether, vinyl ester, allyl ether and allyl ester groups.
- crosslinkers (b) are 1, 2-ethanediol di (meth) acrylate, 1, 3-propanediol di (meth) acrylate, 1, 2-propanediol di (meth) acrylate, 1, 4-butanediol di (meth) acrylate, 1, 6 Hexanediol di (meth) acrylate, neopentyl glycol di (meth) acrylate, trimethylolpropane trioldi (meth) acrylate, pentaerythritol tetra (meth) acrylate, 1,4-butanediol divinyl ether, 1,6-hexanediol divinyl ether, 1,4-cyclohexanediol divinyl ether, divinylbenzene, allyl acrylate, allyl methacrylate , Methallyl acrylate, methallyl methacrylate, (meth) acrylic acid
- polyacrylate latices which are composed of vinylaromatics, alkyl (meth) acrylates and further hydrophilic monomers, such as, for example, (meth) acrylonitrile, (meth) acrylamide and (meth) acrylic acid.
- polyacrylate latices contain 20-50% by weight of styrene, 30-80% by weight of alkyl (meth) acrylates and 0-30% by weight of further hydrophilic monomers, such as (meth) acrylonitrile, (for example). Meth) acrylamide and (meth) acrylic acid.
- the latices are generally prepared by emulsion polymerization, which is therefore an emulsion polymer.
- emulsion polymerization which is therefore an emulsion polymer.
- the preparation of aqueous polymer dispersions by the process of free-radical emulsion polymerization is known per se (compare Houben-Weyl, Methods of Organic Chemistry, Volume XIV, Macromolecular Substances, loc cit, pages 133ff).
- ionic and / or nonionic emulsifiers and / or protective colloids or stabilizers are used as surface-active compounds.
- the surface-active substance is usually used in amounts of from 0.1 to 10% by weight, in particular from 0.2 to 3% by weight, based on the monomers to be polymerized.
- Common emulsifiers are, for example, ammonium or alkali metal salts of higher fatty alcohol sulfates, such as Na-n-lauryl sulfate, fatty alcohol phosphates, ethoxylated Cs to Cio alkylphenols having a degree of ethoxylation of 3 to 30 and ethoxylated Cs to C25 fatty alcohols having a degree of ethoxylation of 5 to 50. Also conceivable are mixtures of nonionic and ionic emulsifiers. Also suitable are phosphate- or sulfate-containing, ethoxylated and / or propoxylated alkylhenols and / or fatty alcohols. Further suitable emulsifiers are in Houben-Weyl, methods of organic see Chemie, Volume XIV, Makromolekulare Stoffe, Georg Thieme Verlag, Stuttgart, 1961, pages 192 to 209 listed.
- Water-soluble initiators for the emulsion polymerization for the preparation of latices are, for.
- red-ox reduction-oxidation
- the amount of initiators is generally 0.1 to 10 wt .-%, preferably 0.5 to 5 wt .-%, based on the monomers to be polymerized. It is also possible to use a plurality of different initiators in the emulsion polymerization.
- emulsion polymerization regulators can be used, for. B. in amounts of 0 to 3 parts by weight, based on 100 parts by weight of the monomers to be polymerized, by which the molecular weight is reduced. Suitable z.
- B. Compounds with a thiol group such as tert-butylmercaptan, Thioglycolklareethylacrylester, mercaptoethynol, mercaptopropyltrimethoxysilane or tert-dodecylmercaptan or regulator without thiol, in particular z.
- the emulsion polymerization for the preparation of the latexes is generally carried out at 30 to 130 0 C, preferably at 50 to 100 0 C.
- the polymerization medium may consist either of water alone or of mixtures of water and water-miscible liquids such as methanol th exist. Preferably, only water is used.
- the emulsion polymerization can be carried out both as a batch process and in the form of a feed process, including a stepwise or gradient procedure.
- the feed process in which one submits a portion of the polymerization, heated to the polymerization, polymerized and then the rest of the polymerization, usually over several spatially separate feeds, one or more of which monomers in pure or in emulsified form, continuously , gradually or with the addition of a concentration gradient while maintaining the polymerization of the polymerization zone supplies.
- the polymerization can also z. B. be presented for better adjustment of the particle size of a polymer seed.
- the manner in which the initiator is added to the polymerization vessel in the course of the free radical aqueous emulsion polymerization is known to one of ordinary skill in the art. It can be both completely charged into the polymerization vessel, as well as according to its consumption in the course of the radical aqueous
- Emulsion polymerization are used continuously or stepwise. In particular, this depends on the chemical nature of the initiator system as well as on the polymer mersiation from. Preferably, a part is initially charged and the remainder supplied according to the consumption of the polymerization.
- the individual components can be added to the reactor in the feed process from above, in the side or from below through the reactor bottom.
- the acid groups contained in the latex can still be at least partially neutralized.
- This can be done, for example, with oxides, hydroxides, carbonates or bicarbonates of alkali metals or alkaline earth metals, preferably with hydroxides to which any counterion or more can be associated, eg Li + , Na + , K + , Cs + , Mg 2+ , Ca 2+ or Ba 2+ .
- hydroxides to which any counterion or more can be associated, eg Li + , Na + , K + , Cs + , Mg 2+ , Ca 2+ or Ba 2+ .
- ammonia or amines Preference is given to aqueous ammonium hydroxide, sodium hydroxide or potassium hydroxide solutions for neutralization.
- aqueous dispersions of the latex are generally obtained with solids contents of from 15 to 75% by weight, preferably from 40 to 75% by weight.
- the glass transition temperature Tg of the latices is, for example, in the range from -30 to 100 ° C., preferably in the range from -5 to 70 ° C. and more preferably in the range from 0 to 40 ° C. (measured by the DSC method according to DIN EN ISO 1 1357).
- the particle size of the latices is preferably in the range of 10 to 1000 nm, more preferably in the range of 50 to 300 nm (measured using a Malvern ® Au tosizer 2 C).
- the aqueous dispersions of at least one latice are used according to the invention for the treatment of finely divided fillers.
- Suitable fillers are all pigments of inorganic material customarily used in the paper industry, for example calcium carbonate, which can be used in the form of ground lime (GCC), chalk, marble or precipitated calcium carbonate (PCC), talc, kaolin, bentonite, satin white, Calcium sulfate, barium sulfate or titanium dioxide. It is also possible to use mixtures of two or more pigments.
- the average particle diameter is for example in the range of 0.5 to 30 microns, preferably between 1 and 10 microns.
- the aqueous slurries of finely divided fillers prepared by the process according to the invention contain, in addition to the latices, at least one swollen starch which is likewise used to treat the finely divided fillers.
- Starch types are all starches that are common in the paper industry, which may be anionic, cationic or amphoteric.
- the average molecular weights Mw of the starches are, for example, in the range from 50,000 to 150,000,000, preferably in the range from 100,000 to 100,000,000, more preferably in the range from 200,000 to 50,000,000.
- the average molecular weight M w of the starches can be determined by methods known to those skilled in the art, for example by gel permeation chromatography using a multi-angle light scattering detector.
- amphoteric starches which contain both quaternary ammonium groups and anionic groups such as carboxylate and / or phosphate groups and which may optionally also be chemically modified, e.g. hydroxylalkylated or alkylesterified.
- the starches can be used individually but also in any mixtures with each other.
- the starch is preferably added already in the swollen state of the aqueous slurry of at least one finely divided filler. In principle, however, it is also possible to meter in the starch without swelling and then to carry out the swelling process.
- This swollen starch regardless of the type of starch used, is clearly distinguishable from the fully digested starch commonly used in the paper industry.
- fully digested starch starch grains are completely burst, the starch is in molecularly disperse form.
- the starch in the aqueous slurries of the invention is swollen, ie, the starch particles are swollen but substantially non-fragmented starch particles.
- the starch has swollen but has retained its granular structure.
- Such swollen starch particles generally have a size in the range from 5 to 90 .mu.m, preferably from 30 to 70 .mu.m, depending on the type of starch used.
- Swollen starch is obtained by treating an unsuppressed starch-containing aqueous composition with hot water. This treatment takes place below the relevant for the respective starch types gelatinization temperature, so that it is ensured that the starch particles only swell and do not burst.
- the temperature of the added hot water and the residence time of the starch granules in the hot environment depends on the type of starch used, but usually the hot water has temperatures in the range of 50 to 85 0 C, preferably in the range of 60 to 80 0 C and in particular preferably in the range of 70 to 75 0 C.
- the swelling process is stopped after a certain time, which must be determined depending on the type of starch used and the temperature of the hot water, preferably in which cold water is added to the warm aqueous starch mixture.
- the aqueous slurries of finely divided fillers may contain up to 5% by weight, preferably up to 1% by weight, particularly preferably from 0.01 to 0.3% by weight, of co-additives. These are preferably added last to the aqueous slurry of the at least one particulate filler, i. after the addition of the aqueous dispersion of the at least one latice and after the addition of the aqueous slurry of at least one starch.
- Co-additives in the context of the present invention are understood as meaning both anionic and cationic co-additives.
- Anionic co-additives are, for example, carboxymethylcellulose, polyacrylic acid, anionic polyacrylamide, alginate and inorganic components such as colloidal silica and bentonite.
- Suitable cationic co-additives are, for example, chitosan, polyvinylamine, polyethyleneimine, polydialyldimethylammonium chloride, alum, polyaluminum chloride and trivalent and tetravalent cations.
- the treatment according to the invention of the finely divided filler with the latex, the starch (swollen or unswollen) and optionally the co-additive is carried out by separately metering these components into the aqueous slurry of the finely divided filler.
- the minimum exposure time after the addition of the first component - preferably latex or starch - is for example 20 seconds.
- the exposure time after the addition of the individual components is preferably in each case 30 seconds, preferably in each case 1 minute, but not longer than 30 minutes.
- the aqueous dispersion of at least one latice is added to the added aqueous slurry of at least one finely divided filler. Subsequently, the addition of the aqueous slurry of at least one starch to this filler latex composition.
- co-additives are added to the aqueous slurry, their addition is preferably completed after the separate dosage of latex and starch.
- the starch is added both in the unswollen state of the aqueous slurry of the finely divided filler, which optionally already contains at least one latex, and then to carry out the swelling in the presence of this aqueous slurry of the finely divided filler.
- the starch is preferably added already in the swollen state to the aqueous slurry of at least one finely divided filler.
- the fillers are processed, for example, by introducing into water to form an aqueous slurry.
- Precipitated calcium carbonate is usually slurried in water in the absence of dispersants.
- an anionic dispersant for example polyacrylic acids having an average molecular weight M w of, for example, 1,000 to 40,000 daltons, is generally used.
- an anionic dispersant is used, for example, from 0.01 to 0.5% by weight, preferably from 0.2 to 0.3% by weight, for the preparation of aqueous filler slurries.
- the finely divided fillers dispersed in water in the presence of anionic dispersants are anionic.
- the aqueous slurries contain, for example, 10 to 30% by weight, usually 15 to 25% by weight, of at least one filler.
- the stability of the latex dispersion is first reduced.
- a reduction in the stability of the latex dispersion may be advantageous, thereby achieving a better affinity of the latex on the pigment surface.
- the reduction of the stability of the latex dispersion can be achieved by:
- the aqueous dispersion of at least one latice is up to
- the treatment of the aqueous slurry of finely divided fillers with the latices and the starch can be carried out continuously or batchwise.
- the filler particles are at least partially coated or impregnated with the latices and the starch.
- the mixing of the components takes place, for example, in a shear field. In most cases, it is sufficient to stir the components after being brought into contact or to treat them in a shear field of an Ultraturrax device.
- the combination and mixing of the ingredients of the aqueous slurries for example, in the temperature range of 0 0 C to 60 0 C, preferably 10 to 50 0 C take place. In most cases the components are mixed at the respective room temperature up to a temperature-temperature of 40 0 C.
- the pH of the treated latexes, starch and optionally co-additives aqueous slurries of finely divided fillers is for example 5 to 1 1, preferably 6 to 9, wherein the pH of calcium carbonate-containing slurries is preferably more than 6.5.
- Another object of the invention is the use of the aqueous slurries, which are prepared by the novel process, as an additive to the paper stock in the production of filler-containing paper, filler-containing cardboard or filler-containing paperboard by dewatering of the paper stock.
- wood-containing uncoated papers such as improved newsprint or SC papers for offset or gravure printing.
- the fillers pretreated by the method described above are mixed into the pulp to form the total pulp.
- the overall fabric may contain other conventional paper additives.
- sizing agents such as alkyl ketene dimers (AKD), alkenylsuccinic anhydrides (ASA), rosin size, wet strength agents, cationic or anionic retention agents based on synthetic polymers.
- Suitable retention agents are, for example, anionic microparticles (colloidal silicic acid, bentonite), anionic polyacrylamides, cationic polyacrylamides, cationic starch, cationic polyethylenimine or cationic polyvinylamine.
- any combinations thereof are contemplated, such as dual systems consisting of a cationic polymer with an anionic microparticle or an anionic polymer with a cationic microparticle.
- a mixture of bleached birch sulphate and bleached pine sulphite was blotted open in a ratio of 70/30 at a solids concentration of 4% in the laboratory pulper until a freeness of 30-35 was reached.
- the opened substance is an optical brightener (Blankophor PSG ®, Bayer AG) and a cationic starch (HICAT ® 5163 A) were then added.
- the digestion of the cationic starch was carried out as a 10 wt .-% starch slurry in a jet cooker at 130 0 C and 1 minute residence time.
- the metered amount of the optical brightener was 0.5% by weight of commercial product, based on the solids content of the paper stock suspension.
- the dosage of the cationic starch was 0.5 wt .-% of starch, based on the solids content of the pulp suspension.
- the pH of the substance was in the range between 7 and 8.
- the milled material was then diluted by addition of water to a solids concentration of 0.35 wt .-%.
- aqueous filler slurries in the production of filler-containing paper, in each case 500 ml of the paper stock suspension were added and the slurries treated according to the examples were metered into this pulp and a cationic polyacrylamide as retention agent (polymer). min ® KE 2020, BASF Aktiengesellschaft). The metered amount of the retention agent in each case in each case 0.01 wt .-% polymer, based on the solids content of the pulp suspension.
- the paper sheets were each fabricated on a Rapid-Köthen sheet former according to ISO 5269/2 with a sheet weight of 70 g / m 2 and then dried for 7 minutes at 90 0 C.
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- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
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- Processes Of Treating Macromolecular Substances (AREA)
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Abstract
Description
Claims
Priority Applications (1)
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EP08774756A EP2164908A1 (de) | 2007-07-05 | 2008-07-04 | Verfahren zur herstellung von wässrigen anschlämmungen von feinteiligen füllstoffen und ihre verwendung zur herstellung von papieren mit hohem füllstoffgehalt und hoher trockenfestigkeit |
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EP07111862 | 2007-07-05 | ||
PCT/EP2008/058644 WO2009004079A1 (de) | 2007-07-05 | 2008-07-04 | Verfahren zur herstellung von wässrigen anschlämmungen von feinteiligen füllstoffen und ihre verwendung zur herstellung von papieren mit hohem füllstoffgehalt und hoher trockenfestigkeit |
EP08774756A EP2164908A1 (de) | 2007-07-05 | 2008-07-04 | Verfahren zur herstellung von wässrigen anschlämmungen von feinteiligen füllstoffen und ihre verwendung zur herstellung von papieren mit hohem füllstoffgehalt und hoher trockenfestigkeit |
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EP2164908A1 true EP2164908A1 (de) | 2010-03-24 |
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EP08774756A Withdrawn EP2164908A1 (de) | 2007-07-05 | 2008-07-04 | Verfahren zur herstellung von wässrigen anschlämmungen von feinteiligen füllstoffen und ihre verwendung zur herstellung von papieren mit hohem füllstoffgehalt und hoher trockenfestigkeit |
Country Status (6)
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US (1) | US8197641B2 (de) |
EP (1) | EP2164908A1 (de) |
JP (1) | JP2010532404A (de) |
CN (1) | CN101358437B (de) |
CA (1) | CA2692301C (de) |
WO (1) | WO2009004079A1 (de) |
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JP2010533214A (ja) * | 2007-07-05 | 2010-10-21 | ビーエーエスエフ ソシエタス・ヨーロピア | 微粒子充填剤の水性懸濁液、その製造方法、並びに高充填材含有量及び高乾燥強度を有する紙を製造するためのその使用 |
ATE539126T1 (de) * | 2007-07-05 | 2012-01-15 | Basf Se | Wässrige anschlämmungen von feinteiligen füllstoffen, verfahren zu ihrer herstellung und ihre verwendung zur herstellung von papieren mit hohem füllstoffgehalt und hoher trockenfestigkeit |
WO2009138457A1 (de) | 2008-05-15 | 2009-11-19 | Basf Se | Verfahren zur herstellung von papier, pappe und karton mit hoher trockenfestigkeit |
CN102076910B (zh) * | 2008-06-24 | 2013-09-25 | 巴斯夫欧洲公司 | 纸的生产 |
EP2315875B1 (de) | 2008-08-18 | 2014-03-05 | Basf Se | Verfahren zur erhöhung der trockenfestigkeit von papier, pappe und karton |
WO2010063658A1 (de) * | 2008-12-03 | 2010-06-10 | Basf Se | Wässrige anschlämmungen von feinteiligen füllstoffen, verfahren zu ihrer herstellung und ihre verwendung zur herstellung füllstoffhaltiger papiere |
ES2393909T3 (es) | 2009-02-05 | 2012-12-28 | Basf Se | Método para producir papel, cartón piedra y cartón con alta resistencia en seco |
PL2443284T5 (pl) | 2009-06-16 | 2021-04-19 | Basf Se | Sposób zwiększania wytrzymałości na sucho papieru, tektury i kartonu |
CN102121207B (zh) * | 2010-12-03 | 2012-09-26 | 江门市高力依科技实业有限公司 | 一种造纸干强剂 |
CN102121208B (zh) * | 2010-12-03 | 2013-01-09 | 江门市高力依科技实业有限公司 | 一种造纸干强剂的制备方法 |
CN103362027B (zh) * | 2012-04-05 | 2016-03-09 | 金东纸业(江苏)股份有限公司 | 改性颜料及其制备方法,应用该改性颜料的涂料及涂布纸 |
FI20125569L (fi) | 2012-05-28 | 2013-11-29 | Nordkalk Oy Ab | Saostettua karbonaattia sisältävän komposiittirakenteen valmistus ja käyttö |
CA2875659A1 (en) * | 2012-06-15 | 2013-12-19 | Nanopaper, Llc | Additives for papermaking |
IN2015DN02852A (de) * | 2012-10-05 | 2015-09-11 | Specialty Minerals Michigan | |
WO2014055092A1 (en) * | 2012-10-05 | 2014-04-10 | Specialty Minerals (Michigan) Inc. | Filler suspension and its use in the manufacture of paper |
CN103343480B (zh) * | 2013-07-02 | 2016-06-01 | 金东纸业(江苏)股份有限公司 | 改性填料及其制备方法,应用其的造纸工艺及纸张 |
CN104195878B (zh) * | 2014-08-06 | 2016-08-24 | 华南理工大学 | 一种提高改性填料中淀粉利用率的方法 |
WO2016126685A1 (en) | 2015-02-06 | 2016-08-11 | E. I. Du Pont De Nemours And Company | Colloidal dispersions of poly alpha-1,3-glucan based polymers |
JP6956013B2 (ja) | 2015-06-01 | 2021-10-27 | ニュートリション・アンド・バイオサイエンシーズ・ユーエスエー・フォー,インコーポレイテッド | ポリα−1,3−グルカンフィブリッド及びその使用、並びにポリα−1,3−グルカンフィブリッドを製造する方法 |
JP7365117B2 (ja) | 2015-10-26 | 2023-10-19 | ニュートリション・アンド・バイオサイエンシーズ・ユーエスエー・フォー,インコーポレイテッド | 紙用多糖コーティング |
KR102746152B1 (ko) | 2015-10-26 | 2024-12-26 | 뉴트리션 앤드 바이오사이언시스 유에스에이 4, 인크. | 수불용성 알파-(1,3-글루칸) 조성물 |
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GB1505641A (en) | 1974-04-19 | 1978-03-30 | Grace W R & Co | Process of preparing a filler composition for paper |
GB2016498B (en) | 1978-01-18 | 1982-08-11 | Blue Circle Ind Ltd | Compositions for use with paper-making fillers |
DE4105919A1 (de) | 1991-02-26 | 1992-08-27 | Basf Ag | Waessrige anschlaemmungen von feinteiligen fuellstoffen und ihre verwendung zur herstellung von fuellstoffhaltigem papier |
US7074845B2 (en) * | 2002-04-09 | 2006-07-11 | Pulp And Paper Research Institute Of Canada | Swollen starch-latex compositions for use in papermaking |
JP2010533214A (ja) * | 2007-07-05 | 2010-10-21 | ビーエーエスエフ ソシエタス・ヨーロピア | 微粒子充填剤の水性懸濁液、その製造方法、並びに高充填材含有量及び高乾燥強度を有する紙を製造するためのその使用 |
ATE539126T1 (de) * | 2007-07-05 | 2012-01-15 | Basf Se | Wässrige anschlämmungen von feinteiligen füllstoffen, verfahren zu ihrer herstellung und ihre verwendung zur herstellung von papieren mit hohem füllstoffgehalt und hoher trockenfestigkeit |
-
2008
- 2008-07-04 EP EP08774756A patent/EP2164908A1/de not_active Withdrawn
- 2008-07-04 WO PCT/EP2008/058644 patent/WO2009004079A1/de active Application Filing
- 2008-07-04 US US12/667,050 patent/US8197641B2/en not_active Expired - Fee Related
- 2008-07-04 CA CA2692301A patent/CA2692301C/en not_active Expired - Fee Related
- 2008-07-04 JP JP2010513997A patent/JP2010532404A/ja not_active Ceased
- 2008-07-07 CN CN2008102103401A patent/CN101358437B/zh not_active Expired - Fee Related
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US20100181038A1 (en) | 2010-07-22 |
CN101358437B (zh) | 2013-01-09 |
CN101358437A (zh) | 2009-02-04 |
US8197641B2 (en) | 2012-06-12 |
CA2692301A1 (en) | 2009-01-08 |
CA2692301C (en) | 2017-06-27 |
WO2009004079A1 (de) | 2009-01-08 |
JP2010532404A (ja) | 2010-10-07 |
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