WO2011039384A1 - Procedimiento para el tratamiento químico del almidón para aplicación en hojas de papel - Google Patents
Procedimiento para el tratamiento químico del almidón para aplicación en hojas de papel Download PDFInfo
- Publication number
- WO2011039384A1 WO2011039384A1 PCT/ES2009/000481 ES2009000481W WO2011039384A1 WO 2011039384 A1 WO2011039384 A1 WO 2011039384A1 ES 2009000481 W ES2009000481 W ES 2009000481W WO 2011039384 A1 WO2011039384 A1 WO 2011039384A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- starch
- paper
- salts
- slurry
- chemical treatment
- Prior art date
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L3/00—Compositions of starch, amylose or amylopectin or of their derivatives or degradation products
- C08L3/02—Starch; Degradation products thereof, e.g. dextrin
-
- 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
- D21H19/00—Coated paper; Coating material
- D21H19/36—Coatings with pigments
- D21H19/44—Coatings with pigments characterised by the other ingredients, e.g. the binder or dispersing agent
- D21H19/54—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
- D21H19/00—Coated paper; Coating material
- D21H19/36—Coatings with pigments
- D21H19/44—Coatings with pigments characterised by the other ingredients, e.g. the binder or dispersing agent
- D21H19/64—Inorganic compounds
-
- 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
- D21H23/22—Addition to the formed paper
- D21H23/50—Spraying or projecting
Definitions
- the present invention relates to a process that has been specially designed for the chemical treatment of starch, starch which is intended to be applied to a shower on the paper sheet.
- the object of the invention is to increase the retention of starch in the paper sheet, as well as to create new ionic bonds between the fibers, in order to reduce operating costs and increase the physical characteristics of the paper.
- the products used to date consist of cationic polyacrylamides, polyamides, polydacmac, polyethyleneimines, polyimines, polyvinylamines and mixtures between them, as well as polyacrylamides. anionic, without achieving any positive results.
- the process for the chemical treatment of the starch proposed by the invention solves in a fully satisfactory manner the problem described above, allowing obtaining a retention of the starch in the paper sheet that ranges between 20 and 50%, depending on the porosity of the sheet , as well as the suction force of the suction boxes.
- the process consists of the use of trivalent and / or bivalent inorganic cationic salts and, optionally, cationic organic polymers, which are dosed on any type of starch, which is applied in slurry superficially by means of spray on the sheet of paper with the aim of joining the different layers of paper together and / or increasing the physical characteristics of the sheet.
- the process described will be carried out by stirring at room temperature in aqueous phase, and can be indistinctly dosed in the slurry or incorporated in the powder starch itself from the factory producing it with the inorganic trivalent salts in solid form.
- the organic polymers used may be polyacrylamides, polyvinylamides, polyamides and polyamines.
- the product to be applied in the slurry or in the starch itself in the process of obtaining the sheet of paper may be formed entirely of trivalent salts, or may also comprise a mixture of polymaceuticals, polyacrylamides and polyvinylamide, all these components can participate in proportions comprised between 0.1 and 50% of the total weight of the mixture.
- This composition reacts with the native starch by gathering different starch particles, regardless of the size of each one, as well as reacting with the cellulosic fiber increasing the links between them and making stronger bonds.
- the trivalent inorganic cationic salts due to their ionic character and their molecular disposition, present an affinity for the particles of any type of starch, reacting with the native starch which is of a slight anionic character. Said reaction achieves the binding of the necessary amount of particles to compensate the cationic charge of the trivalent ion of the corresponding salt. In this way we obtain a set of particles with a behavior similar to a single particle of a size up to 4 times higher.
- the fact of increasing the particle size of the starch helps the starch, which is in a suspended state with water, either from the network or from the production system itself, once it is applied superficially on the paper sheet and formed in part or totally, which remains in greater quantity, increasing its yield and therefore, increasing the union between several layers of paper, the physico-mechanical characteristics of the sheet, and decreasing the amount of free starch in the process waters .
- the treatment contributes to a reduction in the consumption of starch, as well as less pollution in the process and discharge waters.
- a proportion of between 0.05% and 10% of Al 2 (SO 4 ) 3 , A1C1 3 or similar salts already described can be used, on dry starch, in order that the trivalent ions, After the dissociation of the inorganic salt, react with the starch particles, joining several of them. These salts present a greater tendency for those particles of smaller size. Depending on the type of starch, these two salts are used alone or in combination, providing good results.
- these salts are FeCl 3 , Fe 2 (S0 4 ) 3) and are used in doses ranging from 0.05% and 10% on dry starch. These salts have an affinity higher for those medium-large starch particles, which helps to proportionally increase the overall particle size of treated starch. Because the leaf, although already formed, still has a minimum humidity index of 70%, the fibers that compose it are at their optimum point for the creation of bonds between them, the organic and inorganic agents and the OH developed by the temperature of the dryers, responsible for cooking the polysaccharide.
- the fibers begin to form hydrogen bonding links between them, when they come into contact with the cationic organic polymers, a reaction occurs by attraction of ionic charge, between the cationic polymer and the anionic fibers creating ionic bonds. stronger than the bonds that happen naturally from a hydrogen bridge. This phenomenon provides greater physical characteristics to the sheet of paper.
- composition of different cationic organic polymers has been sought to maintain a load balance, as well as how each of them acts with the fibers.
- a medium-low molecular weight cationic polyacrylamide is used in a range of doses over dry starch of between 0.1% and 20%. This polyacrylamide is used to slightly increase the set of particles of starch previously reacted with the different trivalent salts, and in turn leaving free cationic radicals that react with the cellulosic fiber once the starch is applied on the surface or in mass.
- Organic polymers are also present in the composition such as polyamines, polyvinylamides and polydamadrids, all with an application range of between 0.1% and 30% on dry starch. These three families of polymers are in charge of reacting with cellulosic fibers in order to create stronger ionic bonds than those of hydrogen bonding, as well as increasing the amount of interlaced fibers, in case the starch is applied en masse or on the surface and at a point where there is still possibility of loss of fibers with drainage or cast water.
- the pulp solution is prepared.
- the usual concentration of preparation is at 20g / L of paste. To do this, weigh the necessary amount of paste, cut it into smaller pieces and make it up to the desired volume with water. Both components are introduced in the blender and beaten for 15 minutes. This paste solution is diluted to lOg / L subsequently (no paste concentration is specified).
- the sheet is formed in the trainer.
- the leaf former is filled with water up to a certain height (always the same for all the leaves) and the paste solution is added. It is stirred to homogenize the paste and the water is emptied from the former. Vacuum is applied until no water is extracted.
- the spray is sprayed with the volume of the solution to be evaluated and again empty. Subsequently, the sheet is extracted with blotting paper. Once the sheet is formed, an aluminum plate is placed on top, placed between two felts and pressed, always exerting the same force. Once pressed, the leaf is placed in the oven for drying at 105 ° C for about 15 minutes. After this time, the leaf is removed from the stove, it is left to cool. The sheet is ready to perform the appropriate tests.
Landscapes
- Chemical & Material Sciences (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Paper (AREA)
Abstract
Description
Claims
Priority Applications (6)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
BRPI0920493A BRPI0920493A8 (pt) | 2009-10-02 | 2009-10-02 | procedimento para o tratamento químico do amido para aplicação em folhas de papel. |
PCT/ES2009/000481 WO2011039384A1 (es) | 2009-10-02 | 2009-10-02 | Procedimiento para el tratamiento químico del almidón para aplicación en hojas de papel |
US13/380,581 US8840760B2 (en) | 2009-10-02 | 2009-10-02 | Method for the chemical treatment of starch for applying in sheets of paper |
MX2012002135A MX2012002135A (es) | 2009-10-02 | 2009-10-02 | Procedimiento para el tratamiento quimico del almidon para aplicacion en hojas de papel. |
EP09849975A EP2400055A4 (en) | 2009-10-02 | 2009-10-02 | METHOD FOR THE CHEMICAL TREATMENT OF STARCH AS AN ADDITION TO PAPER WEBS |
EA201290553A EA024237B1 (ru) | 2009-10-02 | 2009-10-02 | Способ химической обработки крахмала для применения в листах бумаги |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
PCT/ES2009/000481 WO2011039384A1 (es) | 2009-10-02 | 2009-10-02 | Procedimiento para el tratamiento químico del almidón para aplicación en hojas de papel |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2011039384A1 true WO2011039384A1 (es) | 2011-04-07 |
Family
ID=43825602
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/ES2009/000481 WO2011039384A1 (es) | 2009-10-02 | 2009-10-02 | Procedimiento para el tratamiento químico del almidón para aplicación en hojas de papel |
Country Status (6)
Country | Link |
---|---|
US (1) | US8840760B2 (es) |
EP (1) | EP2400055A4 (es) |
BR (1) | BRPI0920493A8 (es) |
EA (1) | EA024237B1 (es) |
MX (1) | MX2012002135A (es) |
WO (1) | WO2011039384A1 (es) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FI127598B (en) * | 2015-08-27 | 2018-09-28 | Kemira Oyj | A process for treating starch in pulp, paper and board manufacturing processes |
RU2627373C1 (ru) * | 2016-12-12 | 2017-08-08 | Акционерное общество "ГОЗНАК" | Способ получения крахмального связующего для поверхностной проклейки бумаги |
Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5122231A (en) * | 1990-06-08 | 1992-06-16 | Cargill, Incorporated | Cationic cross-linked starch for wet-end use in papermaking |
US5482595A (en) | 1994-03-22 | 1996-01-09 | Betz Paperchem, Inc. | Method for improving retention and drainage characteristics in alkaline papermaking |
WO1999014432A1 (en) | 1997-09-12 | 1999-03-25 | Ciba Specialty Chemicals Water Treatments Limited | Process of making paper |
WO2000056775A1 (en) | 1999-03-19 | 2000-09-28 | Chemisolv Limited | A process of applying starch to a substrate |
US20030188738A1 (en) | 2002-04-09 | 2003-10-09 | Makhlouf Laleg | Swollen starch-latex compositions for use in papermaking |
Family Cites Families (15)
Publication number | Priority date | Publication date | Assignee | Title |
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NL128535C (es) * | 1961-06-06 | 1900-01-01 | ||
US3640842A (en) * | 1969-05-14 | 1972-02-08 | American Maize Prod Co | Process for making paper using starch having an increased gel strength |
US4239592A (en) * | 1976-11-15 | 1980-12-16 | National Starch And Chemical Corp. | Starch blend, process of sizing paper therewith, and product thereof |
ATE42839T1 (de) * | 1985-09-04 | 1989-05-15 | Schoeller F Jun Gmbh Co Kg | Wasserfester papiertraeger fuer fotografische schichten. |
US4872951A (en) * | 1988-07-13 | 1989-10-10 | National Starch And Chemical Corporation | Starch blends useful as external paper sizes |
US5254450A (en) * | 1992-12-09 | 1993-10-19 | Eastman Kodak Company | Hydrophobically substituted amylose starch-sized photographic paper support and photographic element containing same |
ID21891A (id) * | 1997-02-04 | 1999-08-05 | Cytec Tech Corp | Emulsi-emulsi perekat |
MY125712A (en) * | 1997-07-31 | 2006-08-30 | Hercules Inc | Composition and method for improved ink jet printing performance |
US7682438B2 (en) * | 2005-11-01 | 2010-03-23 | International Paper Company | Paper substrate having enhanced print density |
ATE524501T1 (de) * | 2006-03-27 | 2011-09-15 | Nippon Catalytic Chem Ind | Wasserabsorbierendes harz mit verbesserter interner struktur und herstellungsverfahren dafür |
US7622022B2 (en) * | 2006-06-01 | 2009-11-24 | Benny J Skaggs | Surface treatment of substrate or paper/paperboard products using optical brightening agent |
US20080163993A1 (en) * | 2007-01-10 | 2008-07-10 | Varnell Daniel F | Surface sizing with sizing agents and glycol ethers |
WO2009085308A2 (en) * | 2007-12-26 | 2009-07-09 | International Paper Company | A paper substrate containing a wetting agent and having improved print mottle |
WO2009158611A1 (en) * | 2008-06-26 | 2009-12-30 | International Paper Company | Recording sheet with improved print density |
WO2010039996A1 (en) * | 2008-10-01 | 2010-04-08 | International Paper Company | A paper substrate containing a wetting agent and having improved printability |
-
2009
- 2009-10-02 EA EA201290553A patent/EA024237B1/ru not_active IP Right Cessation
- 2009-10-02 BR BRPI0920493A patent/BRPI0920493A8/pt not_active Application Discontinuation
- 2009-10-02 EP EP09849975A patent/EP2400055A4/en not_active Withdrawn
- 2009-10-02 MX MX2012002135A patent/MX2012002135A/es active IP Right Grant
- 2009-10-02 US US13/380,581 patent/US8840760B2/en active Active
- 2009-10-02 WO PCT/ES2009/000481 patent/WO2011039384A1/es active Application Filing
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5122231A (en) * | 1990-06-08 | 1992-06-16 | Cargill, Incorporated | Cationic cross-linked starch for wet-end use in papermaking |
US5482595A (en) | 1994-03-22 | 1996-01-09 | Betz Paperchem, Inc. | Method for improving retention and drainage characteristics in alkaline papermaking |
WO1999014432A1 (en) | 1997-09-12 | 1999-03-25 | Ciba Specialty Chemicals Water Treatments Limited | Process of making paper |
WO2000056775A1 (en) | 1999-03-19 | 2000-09-28 | Chemisolv Limited | A process of applying starch to a substrate |
US20030188738A1 (en) | 2002-04-09 | 2003-10-09 | Makhlouf Laleg | Swollen starch-latex compositions for use in papermaking |
Non-Patent Citations (1)
Title |
---|
See also references of EP2400055A4 * |
Also Published As
Publication number | Publication date |
---|---|
BRPI0920493A8 (pt) | 2019-02-05 |
EA201290553A1 (ru) | 2013-02-28 |
US20120101195A1 (en) | 2012-04-26 |
MX2012002135A (es) | 2012-03-07 |
EP2400055A1 (en) | 2011-12-28 |
EP2400055A4 (en) | 2012-12-05 |
US8840760B2 (en) | 2014-09-23 |
BRPI0920493A2 (pt) | 2018-06-19 |
EA024237B1 (ru) | 2016-08-31 |
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