EP0918104A1 - A papermaking process and a cationic chemical - Google Patents
A papermaking process and a cationic chemical Download PDFInfo
- Publication number
- EP0918104A1 EP0918104A1 EP98660107A EP98660107A EP0918104A1 EP 0918104 A1 EP0918104 A1 EP 0918104A1 EP 98660107 A EP98660107 A EP 98660107A EP 98660107 A EP98660107 A EP 98660107A EP 0918104 A1 EP0918104 A1 EP 0918104A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- chemical
- carbon atoms
- paper
- formula
- saturated
- 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- Withdrawn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
Classifications
-
- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
- 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
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06M—TREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
- D06M13/00—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with non-macromolecular organic compounds; Such treatment combined with mechanical treatment
- D06M13/322—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with non-macromolecular organic compounds; Such treatment combined with mechanical treatment with compounds containing nitrogen
- D06M13/46—Compounds containing quaternary nitrogen atoms
- D06M13/463—Compounds containing quaternary nitrogen atoms derived from monoamines
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06M—TREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
- D06M2101/00—Chemical constitution of the fibres, threads, yarns, fabrics or fibrous goods made from such materials, to be treated
- D06M2101/02—Natural fibres, other than mineral fibres
- D06M2101/04—Vegetal fibres
- D06M2101/06—Vegetal fibres cellulosic
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06M—TREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
- D06M2200/00—Functionality of the treatment composition and/or properties imparted to the textile material
- D06M2200/10—Repellency against liquids
- D06M2200/12—Hydrophobic properties
-
- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
- D21H17/00—Non-fibrous material added to the pulp, characterised by its constitution; Paper-impregnating material characterised by its constitution
- D21H17/03—Non-macromolecular organic compounds
- D21H17/05—Non-macromolecular organic compounds containing elements other than carbon and hydrogen only
- D21H17/07—Nitrogen-containing compounds
Definitions
- the invention relates to a process for making paper or a corresponding fiber product, which process comprises rendering hydrophobic the paper or corresponding fiber product.
- the invention also relates to a cationic chemical which can be used as a hydrophobification chemical, for example as a stock size or a surface size or a fixative or a dispersing agent.
- hydrophobic sizing of paper the paper is rendered water repellent, i.e. hydrophobic, and thereby the penetration of aqueous liquids into the paper is prevented or decelerated.
- the hydrophobification can be carried out by hydrophobic stock sizing, in which a hydrophobification chemical is added to the water-containing fiber pulp suspension before web forming, or by hydrophobic surface sizing, in which a hydrophobification chemical is added to a preformed web.
- auxiliary chemicals which include a chemical providing wet strength, i.e. a wet strength size, such as formaldehyde urea adduct and dimethylol melamine, and a fixative, such as polyaluminum chloride (PAC), which lowers the anionic quality of the pulp suspension by attaching to anionic surfaces.
- a chemical providing wet strength i.e. a wet strength size, such as formaldehyde urea adduct and dimethylol melamine
- PAC polyaluminum chloride
- the object of the present invention is generally to provide a cationic chemical by the use of which as a hydrophobification chemical the drawbacks stated above are avoided and which can also be used, for example, as a surface size, a fixative or a dispersing agent. It is also an object of the invention to provide a process for rendering a fiber product hydrophobic by the use of such a cationic chemical.
- the invention relates to a process for making paper or a corresponding fiber product, the process being characterized in that a cationic chemical is added to paper or a corresponding fiber product in order to render hydrophobic the paper or the corresponding fiber product, the cationic chemical having the formula where R 1 , R 2 and R 3 are the same or different and are each a saturated or unsaturated acyclic, cyclic or aromatic hydrocarbon containing 1-41 carbon atoms, R 4 is a saturated or unsaturated acyclic, cyclic or aromatic hydrocarbon containing 1-41 carbon atoms and at least one oxygen atom, and X - is an anion.
- the invention relates to a cationic chemical for rendering paper or a corresponding fiber product hydrophobic, the chemical being characterized in that it contains a component derived from a compound having an OH group and a quaternary ammonium salt component, and that it has the formula I presented above, and that it has an ability to attach to anionic surfaces.
- hydrocarbon groups R 1 -R 4 When the hydrocarbon groups R 1 -R 4 are unsaturated, they may contain one or more double bonds.
- the hydrocarbon groups R 1 -R 4 may be derived from fatty acids. Examples of such suitable fatty acids include stearic acid, palmitic acid, linoleic acid, oleic acid, montanic acid, pinoleic acid, and tallow fatty acid.
- the hydrocarbon groups R 1 -R 4 may also be derived from resin acid or disproportionated resin, which contain fused ring structures.
- the oxygen atom in group R 4 may, for example, be part of a chain (e.g. an ether or ester) or part of a cyclic structure (e.g. a cyclic ether) or it may be a hydroxyl substituent.
- One advantageous compound group is made up of compounds according to Formula I, where R 4 is a glycidyl group.
- R 1 , R 2 , R 3 and X - stand for the same as in Formula I
- A is a hydrocarbon which contains 1-6 carbon atoms and may contain one or more oxygen atoms
- B is a saturated or unsaturated acyclic, cyclic or aromatic hydrocarbon which contains 1-41 carbon atoms.
- B may be derived from an alcohol, such as polyol (such as Penta E or starch).
- a third advantageous group of compounds is made up of compounds having the formula where R 1 , R 2 , R 3 , X - and A stand for the same as in Formulae I and II, and R is a saturated or unsaturated acyclic, cyclic or aromatic hydrocarbon which contains 1-41 carbon atoms. R may be derived from carboxylic acid.
- X - is preferably a halogen, but it may also be some other anionic component.
- R 1 -R 3 are hydrocarbon groups containing 7-20 carbon atoms and the third is an alkyl group containing 1-6 carbon atoms, such as a methyl group, R 4 is propylene oxide, and X - is a halogen.
- one of groups R 1 -R 3 is a hydrocarbon group containing 7-20 carbon atoms and the other two groups are alkyl groups containing 1-6 carbon atoms, such as methyl groups, R 4 is propylene oxide, and X - is a halogen.
- groups R 3 and B are hydrocarbon groups containing 7-41 carbon atoms
- groups R 1 and R 2 are alkyl groups containing 1-6 carbon atoms, such as methyl groups
- A is hydroxypropyl
- X - is a halogen.
- groups R 3 and R are hydrocarbon groups containing 7-41 carbon atoms
- groups R 1 and R 1 are alkyl groups containing 1-6 carbon atoms, such as methyl groups
- A is hydroxypropyl
- X - is a halogen.
- the said cationic chemicals are added as a stock size to an aqueous fiber pulp suspension which possibly contains a filler, in which case possibly a retention agent is also added to the fiber pulp suspension.
- the filler may be, for example, calcium carbonate.
- the said cationic chemicals may also be used as a surface size, in which case they are applied to the web by means of a size press.
- the stock size used may be a known stock size, such as ASA or AKD.
- the process according to the invention may additionally comprise a maturation treatment at an elevated temperature, the maturation temperature being preferably approx. 110-140 °C and the maturation period being preferably approx. 1-120 min.
- the said cationic chemicals are added typically approx. 0.01-2 % by weight, preferably approx. 0.3-0.6 % by weight, calculated from the dry matter of the fiber.
- auxiliary chemicals which chemically bond the chemical to the fiber.
- auxiliary chemicals include wet strength sizes, such as formaldehyde urea adduct and dimethylol melamine, and other chemicals generally known to persons skilled in the art.
- the process according to the invention is suitable for rendering hydrophobic not only paper but also other corresponding fiber products, such as board.
- R 4 is a glycidyl group
- R 4 is a glycidyl group
- R 4 is a glycidyl group
- This reaction can be carried out in NTP conditions.
- the compound according Formula I may also be prepared by any other method commonly known by persons skilled in the art.
- the compounds according to Formula II can be prepared by reacting an alcohol having the formula B-OH where B stands for the same as above, with a 2,3-epoxypropyl ammonium halide having the formula where R 1 , R 2 , R 3 and X - stand for the same as above.
- the compounds according to Formula III may be prepared by reacting a carboxylic acid having the formula where R stands for the same as above, with a 2,3-epoxypropyl ammonium halide according to Formula V.
- the compound according to Formula V used as the initial substance, may be prepared by reacting a glycidyl halide with an amine R 2 R 3 NR 1 , whereupon the desired product is obtained with a high yield. This reaction can be carried out in NTP conditions.
- the compound according to Formula V may also be prepared by any other method commonly known by persons skilled in the art.
- the Cobb number i.e. the water absorbency of paper
- the Cobb method is described in greater detail in standard SCAN-P12:64.
- a cationization reagent which contains one long hydrocarbon chain is prepared.
- the initial substances used are epibromohydrin and dodecyldimethylamine.
- the reaction is carried out, for example, according to the method stated in BE patent 671 687.
- the epoxide content obtained for the product is approx. 90 %.
- the reaction is carried out in accordance with Example 1 by using dimethyl tallow amine as the amine.
- the epoxide content obtained for the product is approx. 80 %.
- the reaction is carried out in accordance with Example 2 by using epichlorohydrin as the source of epoxide.
- the epoxide content obtained for the product is approx. 80 %.
- a cationization reagent which contains two long hydrocarbon chains is prepared.
- the initial substances used are epibromohydrin and di-tallow fat methylamine.
- the reaction is carried out, for example, according to the method stated in BE patent 671 687.
- the epoxide content obtained for the product is approx. 80 %.
- the reaction is carried out in accordance with Example 4 by using epichlorohydrin as the source of epoxide.
- the epoxide content obtained for the product is approx. 80 %.
- 50 g is weighed of a mixture of stearic acid and palmitic acid, which is a commercial product (palmitic acid approx. 60 % and stearic acid approx. 40 %).
- the reaction is carried out in accordance with Example 6 by using as the acid a fatty acid which is typically made up of oleic acid, linoleic acid, pinoleic acid, palmitic acid and stearic acid.
- the analysis of the reaction product was carried out by using, for example, FT-IR, which yielded 1695.0/1720.6 as the numeric value of the acid/ester signal peaks.
- the reaction is carried out in accordance with Example 6 by using as the acid a resin acid or a disproportionated resin, which is typically made up of abietic acid, levopimaric acid, palustric acid, dehydroabietic acid, dihydroabietic acid, tetrahydroabietic acid, pimaric acid and isopimaric acid.
- the analysis of the reaction product was carried out by using, for example, FT-IR, which yielded 1707.3/1738.3 as the numeric value of the acid/ester signal peaks.
- a cationization reagent which contains one long hydrocarbon chain is prepared.
- the initial substances used are epibromohydrin and dodecyldimethylamine.
- the reaction is carried out, for example, according to the method stated in BE patent 671 687.
- the epoxide content obtained for the product is approx. 90 %.
- a water-soluble chemical which contains two long hydrocarbon chains is prepared in accordance with Example 6.
- the analysis of the reaction product was carried out by using, for example, FT-IR, which yielded 1708.9/1736.6 as the numeric value of the acid/ester signal peaks.
- the reaction is carried out in accordance with Example 6, by using montan wax as the acid.
- the analysis of the reaction product was carried out by using, for example, FT-IR, which yielded 1708.9/1737.3 as the numeric value of the acid/ester signal peaks.
- the first step of the reaction is carried out in accordance with Example 9, by using dimethyl tallow amine as the amine.
- the epoxide content obtained for the product is ⁇ 80 %.
- the second step of the reaction is carried out in accordance with Example 6.
- the analysis of the reaction product was carried out by using, for example, FT-IR, which yielded 1708.9/1736.6 as the numeric value of the acid/ester signal peaks.
- the first step of the reaction is carried out in accordance with Example 7 by using di-tallow fat methylamine as the amine.
- the epoxide content obtained for the product is ⁇ 80 %.
- the second step is carried out, for example, in accordance with the method stated in US patent 2 516 633, by using barley starch as the starch.
- the analysis of the reaction product was carried out, for example, by a total nitrogen determination, which yielded 0.1 as the DS (degree of substitution) value.
- a 2.5 per cent aqueous solution of the product according to Example 4 was tested as a surface size in paper which contained pine pulp 30 % and birch pulp 70 % and to which there had been added PCC (precipitated calcium carbonate) 20 %. Both ASA and AKD were used as stock size.
- Example 12 A 2.5 per cent aqueous dispersion of the product according to Example 12 was tested as a surface size in paper which had been made from 100 % chemical pine pulp.
- the reference used was a commercial SMA (styreic maleic anhydride) surface size. The results are shown in Table 2. Chemical used Maturation period (min) Maturation temperature (°C) Cobb 60 number SMA 2.5 115 22 Chemical of Example 12 2.5 115 22
- the chemicals according to the invention shown in the following Table 5, were prepared in a manner corresponding to that in Example 6, by using stearic acid, abietic acid, oleic acid and resin acid.
- Cobb 60 s, g/m 2 means, before and after maturation (1 h, 125-128 °C), when a chemical according to the invention is used alone or together with a known wet strength size, or when a known wet strength size is used alone as a reference chemical.
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- Engineering & Computer Science (AREA)
- Textile Engineering (AREA)
- Paper (AREA)
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FI974281 | 1997-11-19 | ||
FI974281A FI103353B1 (fi) | 1997-11-19 | 1997-11-19 | Menetelmä paperin valmistamiseksi ja kationinen kemikaali |
CA002265432A CA2265432A1 (en) | 1997-11-19 | 1999-03-16 | A papermaking process and a cationic chemical |
Publications (1)
Publication Number | Publication Date |
---|---|
EP0918104A1 true EP0918104A1 (en) | 1999-05-26 |
Family
ID=32070471
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP98660107A Withdrawn EP0918104A1 (en) | 1997-11-19 | 1998-10-20 | A papermaking process and a cationic chemical |
Country Status (5)
Country | Link |
---|---|
EP (1) | EP0918104A1 (fi) |
JP (1) | JPH11217791A (fi) |
CA (1) | CA2265432A1 (fi) |
FI (1) | FI103353B1 (fi) |
ID (1) | ID21292A (fi) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US7214728B2 (en) * | 1999-07-09 | 2007-05-08 | Ciba Specialty Chemicals Corporation | Method of making a surface size composition |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP3521422B2 (ja) * | 2000-06-09 | 2004-04-19 | 日本製紙株式会社 | 紙用柔軟剤及びそれを含有する印刷用紙 |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3872138A (en) * | 1971-11-09 | 1975-03-18 | Kao Corp | Process for the preparation of quaternary ammonium salts |
JPS6452877A (en) * | 1987-08-25 | 1989-02-28 | Sanwa Shoji Co Ltd | Production of size for fiber |
JPH0219600A (ja) * | 1988-07-06 | 1990-01-23 | Daiso Co Ltd | 帯電防止能を有する紙の製造方法 |
-
1997
- 1997-11-19 FI FI974281A patent/FI103353B1/fi not_active IP Right Cessation
-
1998
- 1998-10-20 EP EP98660107A patent/EP0918104A1/en not_active Withdrawn
- 1998-11-18 JP JP10328501A patent/JPH11217791A/ja active Pending
- 1998-11-19 ID IDP981514A patent/ID21292A/id unknown
-
1999
- 1999-03-16 CA CA002265432A patent/CA2265432A1/en not_active Abandoned
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3872138A (en) * | 1971-11-09 | 1975-03-18 | Kao Corp | Process for the preparation of quaternary ammonium salts |
JPS6452877A (en) * | 1987-08-25 | 1989-02-28 | Sanwa Shoji Co Ltd | Production of size for fiber |
JPH0219600A (ja) * | 1988-07-06 | 1990-01-23 | Daiso Co Ltd | 帯電防止能を有する紙の製造方法 |
Non-Patent Citations (2)
Title |
---|
DATABASE WPI Section Ch Week 8914, Derwent World Patents Index; Class A11, AN 89-104959, XP002094838 * |
DATABASE WPI Section Ch Week 9009, Derwent World Patents Index; Class A82, AN 90-064785, XP002094837 * |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US7214728B2 (en) * | 1999-07-09 | 2007-05-08 | Ciba Specialty Chemicals Corporation | Method of making a surface size composition |
Also Published As
Publication number | Publication date |
---|---|
CA2265432A1 (en) | 2000-09-16 |
JPH11217791A (ja) | 1999-08-10 |
FI974281A0 (fi) | 1997-11-19 |
FI103353B (fi) | 1999-06-15 |
FI103353B1 (fi) | 1999-06-15 |
ID21292A (id) | 1999-05-20 |
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Owner name: RAISIO CHEMICALS OY |
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Owner name: RAISIO CHEMICALS LTD. |
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