CA2521111A1 - Aqueous compositions and their use in the manufacture of paper and paperboard - Google Patents
Aqueous compositions and their use in the manufacture of paper and paperboard Download PDFInfo
- Publication number
- CA2521111A1 CA2521111A1 CA002521111A CA2521111A CA2521111A1 CA 2521111 A1 CA2521111 A1 CA 2521111A1 CA 002521111 A CA002521111 A CA 002521111A CA 2521111 A CA2521111 A CA 2521111A CA 2521111 A1 CA2521111 A1 CA 2521111A1
- Authority
- CA
- Canada
- Prior art keywords
- aqueous composition
- process according
- cellulosic suspension
- retention
- suspension
- 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.)
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Classifications
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
- C01B33/00—Silicon; Compounds thereof
- C01B33/20—Silicates
-
- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
- D21H17/00—Non-fibrous material added to the pulp, characterised by its constitution; Paper-impregnating material characterised by its constitution
- D21H17/63—Inorganic compounds
- D21H17/67—Water-insoluble compounds, e.g. fillers, pigments
- D21H17/68—Water-insoluble compounds, e.g. fillers, pigments siliceous, e.g. clays
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
- C01B33/00—Silicon; Compounds thereof
- C01B33/113—Silicon oxides; Hydrates thereof
- C01B33/12—Silica; Hydrates thereof, e.g. lepidoic silicic acid
- C01B33/14—Colloidal silica, e.g. dispersions, gels, sols
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
- C01B33/00—Silicon; Compounds thereof
- C01B33/20—Silicates
- C01B33/26—Aluminium-containing silicates, i.e. silico-aluminates
-
- 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
- D21H17/66—Salts, e.g. alums
-
- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
- D21H21/00—Non-fibrous material added to the pulp, characterised by its function, form or properties; Paper-impregnating or coating material, characterised by its function, form or properties
- D21H21/06—Paper forming aids
- D21H21/10—Retention agents or drainage improvers
-
- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
- 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
Abstract
A process of preparing an aqueous composition comprising a polysilicate, wherein the composition is a substantially uniform liquid when measured at 25~C, comprising the steps of, i) providing an aqueous liquid having a source of silicate, ii) adjusting the pH of the liquid to between about 2 and about 10.5, thereby causing polymerisation of the silicate, iii) allowing sufficient time for the polymerisation to proceed to substantial completion and thereby forming a product comprising gelled material, iv) subjecting the gelled material to sufficient shear to form a substantially uniform liquid. The novel aqueous composition made by this process is useful in the manufacture of paper and paperboard either as a mineral filler or as a retention/drainage aid.
Claims (11)
1. A process of preparing an aqueous composition comprising a polysilicate, wherein the composition is a substantially uniform liquid when measured at 25°C, comprising the steps of, i) providing an aqueous liquid having a source of silicate, ii) adjusting the pH of the liquid to between about 2 and about 10.5, thereby causing polymerisation of the silicate, iii) allowing sufficient time for the polymerisation to proceed to substantial completion and thereby forming a product comprising gelled material, iv) subjecting the gelled material to sufficient shear to form a substantially uniform liquid.
2. A process according to claim 1 in which the source of silicate is selected from the group consisting of sodium silicate, potassium silicate and lithium silicate.
3. A process according to claim 1 or claim 2 in which the aqueous liquid in step (i) also comprises aluminium compounds.
4. A process according to any of claims 1 to 3 in which in step (ii) the pH is adjusted to between 4 and 9, preferably to between 6 and 8.
5. A process according to any of claims 1 to 4 in which the liquid is subjected to agitation in step (iii).
6. A process according to any of claims 1 to 5 in which the product formed in step (iii) comprises amorphous gelled solids dispersed in a liquid.
7. An aqueous composition comprising a polysilicate obtainable by a process according to any of claims 1 to 6.
8. An aqueous composition according to claim 7 which exhibits a viscosity of at least 200 mPas (when measured at 2% by weight concentration at 25°C
using a Brookfield viscometer, at 20 rpm, spindle No 2).
using a Brookfield viscometer, at 20 rpm, spindle No 2).
9. An aqueous composition according to claim 7 or claim 8 which exhibits a viscosity of at least 1500 mPas (when measured at 2% by weight concentration at 25°C using a Brookfield viscometer, at 20 rpm, spindle No 3).
10. An aqueous composition according to any of claims 7 to 9, in which the polysilicate has a surface area of below 2000 m2/g.
11. An aqueous composition according to any of claims 7 to 10, in which the polysilicate has an S-value of below 5%.12. An aqueous composition comprising a polysilicate, wherein the composition is a substantially uniform liquid when measured in at 25°C and the composition exhibits a viscosity of at least 200 mPas (when measured at 2% by weight concentration at 25°C
using a Brookfield viscometer, at 20 rpm, spindle No 2), and wherein the polysilicate has a surface area of below 2000 m2/g and has an S-value of below 5%.
13. An aqueous composition according to claim 12 which exhibits a viscosity of at least 1500 mPas (when measured at 2% by weight concentration at 25°C
using a Brookfield viscometer, at 20 rpm, spindle No 3).
14. An aqueous composition according to any of claims 7 to 13, in which the polysilicate has a surface area of between 750 and 1250 m2/g.
15. An aqueous composition according to any of claims 7 to 14, in which the polysilicate is a polyaluminosilicate.
16. An aqueous composition according to any of claims 7 to 15, and in which the concentration of SiO2 is at least 0.01% by weight, preferably from about 1%
to about 45%.
17. Use of the aqueous composition according to any of claims 7 to 16 as a mineral filler in the manufacture of paper or paperboard.
18. Use of the aqueous composition according to any of claims 7 to 16 as a drainage/retention aid in the manufacture of paper or paperboard.
19. Use of the aqueous composition according to any of claims 7 to 16 for the improvement of strength in the manufacture of paper or paperboard.
20. A process of making paper or paperboard comprising forming a cellulosic suspension, draining water from the suspension to form a wet sheet and then drying the sheet, characterised in that the aqueous composition according to any of claims 7 to 15 is added to the cellulosic suspension.
21. A process according to claim 20, in which mineral filler is mixed into the cellulosic suspension wherein the mineral filler comprises the aqueous composition according to any of claims 7 to 16.
22. A process according to claim 21, in which the aqueous composition is added to the cellulosic suspension in an amount of from 20 to 250 Kg/tonne based on dry weight of polysilicate and dry weight of cellulosic suspension.
23. A process according to claim 22, in which at least one further filler is mixed with the cellulosic suspension, in which the filler is either a mineral filler and/or an organic pigment.
24. A process according to claim 23 in which the further filler is selected from the group consisting of precipitated calcium carbonate (PCC), ground calcium carbonate, clays, calcined clays, talc, zeolites, silicas, titanium dioxide and structured pigments.
25. A process according to claim 23 or claim 24 in which the aqueous composition and the further filler is combined prior to addition to the cellulosic suspension.
26. A process according to claim 23 or claim 24 in which the aqueous composition and the further filler are added separately to the cellulosic suspension.
27. A process according to claim 26 in which the aqueous composition and further filler are added sequentially to the cellulosic suspension, preferably by addition of the further filler first.
28. A process according to any of claims 18 to 27, in which a retention and drainage system is applied to the cellulosic suspension.
29. A process according to claim 28, in which the retention and drainage system comprises mixing into the cellulosic suspension a polymeric retention/drainage aid and a micro particulate retention/drainage aid.
30. A process according to claim 29, in which the polymeric retention/drainage aid is selected from the group consisting of substantially water-soluble anionic, non-ionic, cationic and amphoteric polymers.
31. A process according to claim 29, in which the micro particulate retention/drainage aid is selected from the group consisting of cross linked organic polymers, silica microgels, colloidal silica, silica sols, silica gels, polysilicates, aluminosilicates, polyaluminosilicates, borosilicates, polyborosilicates, zeolites and swellable clay.
32. A process according to any of claims 28 to 31, in which the retention and drainage system is applied to the cellulosic suspension subsequent to the addition of the mineral filler.
33. A process of making paper or paperboard comprising forming a cellulosic suspension, applying a retention and drainage system to the suspension, draining water from the suspension form a sheet and then drying the sheet, characterised in that the retention and drainage system comprises mixing into the cellulosic suspension the aqueous composition according to any of claims 7 to 16.
34. A process according to claim 33, in which the aqueous composition is mixed into the cellulosic suspension in an amount of at least 100 g/tonne, preferably at least 500 g/tonne, based on weight of silica on dry weight of cellulosic suspension.
35. A process according to claim 33 or claim 34, in which the retention and drainage system further comprises mixing into the cellulosic suspension a polymeric retention/drainage aid and/or a micro particulate retention/drainage aid.
36. A process according to claim 35, in which polymeric retention/drainage aid is selected from the group consisting of substantially water-soluble anionic, non-ionic, cationic and amphoteric polymers.
37. A process according to claim 35, in which the micro particulate retention/drainage aid in selected from the group consisting of cross linked organic polymers, silica microgels, colloidal silica, silica sole, silica gels, polysilicates, aluminosilicates, polyaluminosilicates, borosilicates, polyborosilicates, zeolites or swellable clay.
38. A process according to any of claims 33 to 37, in which a polymeric retention/drainage aid is mixed into the cellulosic suspension before at least one shear stage selected from mixing, cleaning and pumping stages and then aiding to the cellulosic suspension after that shear stage a retention/drainage aid comprising the aqueous composition.
39. A process according to claim 38 in which a micro particulate retention/drainage aid is also added to the cellulosic suspension after that shear stage.
40. A process of malting paper or paperboard comprising forming a cellulosic suspension, mixing mineral filler into the cellulosic suspension, applying a retention and drainage system that the suspension, draining water from the suspension to form a wet sheet and drying the sheet, characterised in that the mineral filler comprises the aqueous composition according to any of claims 7 to 16, the suspension is passed through at least one shear stage before applying the retention and drainage system, and in which the retention and drainage system comprises introducing into the cellulosic suspension the aqueous composition according to any of claims 7 to 16 and in which the shear stage is selected from mixing, cleaning and pumping stages.
41. A process according to claim 40, in which at least one further filler is mixed with the cellulosic suspension, in which the filler is either a mineral filler and/or an organic pigment.
42. A process according to claim 41 in which the further filler is selected from the group consisting of precipitated calcium carbonate (PCC), ground calcium carbonate, clays, calcined clays, talc, zeolites, silicas, titanium dioxide and structured pigments.
43. A process according to claim 41 or claim 42 in which the aqueous composition and the further filler is combined prior to addition to the cellulosic suspension.
44. A process according to claim 40 or claim 42 in which the aqueous composition and the further filler are added separately to the cellulosic suspension.
45. A process according to claim 44 in which the aqueous composition and further filler are added sequentially to the cellulosic suspension, preferably by addition of the further filler first.
46. A process according to any of claims 40 to 45, in which PCC mineral filler is added to the cellulosic suspension and the suspension is passed through at least one shear stage and then the aqueous composition according to any of claims 7 to 14 is mixed into the cellulosic suspension.
47. A process according to any of claims 40 to 46, in which subsequent to the addition of mineral filler comprising the aqueous composition according to any of claims 7 to 16, the cellulosic suspension is passed through at least one shear stage followed by the addition of a polymeric retention/drainage aid and then the cellulosic suspension is passed through at least one further shear stage after which a retention/drainage aid comprising the composition according to any of claims 7 to 16 is added to the cellulosic suspension.
48. A process according to claim 47 in which a further micro particulate retention/drainage aid is added to the cellulosic suspension prior to, simultaneously with or after the addition of the retention/drainage aid comprising the aqueous composition.
49. A process of making paper or paperboard comprising forming a cellulosic suspension, adding a strength aid to the cellulosic suspension, draining water from the suspension to form a wet sheet and drying the sheet, characterised in that the strength aid comprises the aqueous composition according to any of claims 7 to 16.
50. A process of making paper or paperboard comprising forming a cellulosic suspension, draining water from the suspension to form a wet sheet and then drying the sheet, wherein an aqueous polysilicate is added to the cellulosic suspension, in which the aqueous polysilicate is formed by a method comprising the steps of, i) providing an aqueous liquid having a source of silicate, ii) adjusting the pH of the liquid to between about 2 and about 10.5, thereby causing polymerisation of the silicate, iii) allowing sufficient time for the polymerisation to proceed to substantial completion and thereby forming a product comprising gelled material, characterised in that the product of step (iii) is sheared before addition to the cellulosic suspension.
using a Brookfield viscometer, at 20 rpm, spindle No 2), and wherein the polysilicate has a surface area of below 2000 m2/g and has an S-value of below 5%.
13. An aqueous composition according to claim 12 which exhibits a viscosity of at least 1500 mPas (when measured at 2% by weight concentration at 25°C
using a Brookfield viscometer, at 20 rpm, spindle No 3).
14. An aqueous composition according to any of claims 7 to 13, in which the polysilicate has a surface area of between 750 and 1250 m2/g.
15. An aqueous composition according to any of claims 7 to 14, in which the polysilicate is a polyaluminosilicate.
16. An aqueous composition according to any of claims 7 to 15, and in which the concentration of SiO2 is at least 0.01% by weight, preferably from about 1%
to about 45%.
17. Use of the aqueous composition according to any of claims 7 to 16 as a mineral filler in the manufacture of paper or paperboard.
18. Use of the aqueous composition according to any of claims 7 to 16 as a drainage/retention aid in the manufacture of paper or paperboard.
19. Use of the aqueous composition according to any of claims 7 to 16 for the improvement of strength in the manufacture of paper or paperboard.
20. A process of making paper or paperboard comprising forming a cellulosic suspension, draining water from the suspension to form a wet sheet and then drying the sheet, characterised in that the aqueous composition according to any of claims 7 to 15 is added to the cellulosic suspension.
21. A process according to claim 20, in which mineral filler is mixed into the cellulosic suspension wherein the mineral filler comprises the aqueous composition according to any of claims 7 to 16.
22. A process according to claim 21, in which the aqueous composition is added to the cellulosic suspension in an amount of from 20 to 250 Kg/tonne based on dry weight of polysilicate and dry weight of cellulosic suspension.
23. A process according to claim 22, in which at least one further filler is mixed with the cellulosic suspension, in which the filler is either a mineral filler and/or an organic pigment.
24. A process according to claim 23 in which the further filler is selected from the group consisting of precipitated calcium carbonate (PCC), ground calcium carbonate, clays, calcined clays, talc, zeolites, silicas, titanium dioxide and structured pigments.
25. A process according to claim 23 or claim 24 in which the aqueous composition and the further filler is combined prior to addition to the cellulosic suspension.
26. A process according to claim 23 or claim 24 in which the aqueous composition and the further filler are added separately to the cellulosic suspension.
27. A process according to claim 26 in which the aqueous composition and further filler are added sequentially to the cellulosic suspension, preferably by addition of the further filler first.
28. A process according to any of claims 18 to 27, in which a retention and drainage system is applied to the cellulosic suspension.
29. A process according to claim 28, in which the retention and drainage system comprises mixing into the cellulosic suspension a polymeric retention/drainage aid and a micro particulate retention/drainage aid.
30. A process according to claim 29, in which the polymeric retention/drainage aid is selected from the group consisting of substantially water-soluble anionic, non-ionic, cationic and amphoteric polymers.
31. A process according to claim 29, in which the micro particulate retention/drainage aid is selected from the group consisting of cross linked organic polymers, silica microgels, colloidal silica, silica sols, silica gels, polysilicates, aluminosilicates, polyaluminosilicates, borosilicates, polyborosilicates, zeolites and swellable clay.
32. A process according to any of claims 28 to 31, in which the retention and drainage system is applied to the cellulosic suspension subsequent to the addition of the mineral filler.
33. A process of making paper or paperboard comprising forming a cellulosic suspension, applying a retention and drainage system to the suspension, draining water from the suspension form a sheet and then drying the sheet, characterised in that the retention and drainage system comprises mixing into the cellulosic suspension the aqueous composition according to any of claims 7 to 16.
34. A process according to claim 33, in which the aqueous composition is mixed into the cellulosic suspension in an amount of at least 100 g/tonne, preferably at least 500 g/tonne, based on weight of silica on dry weight of cellulosic suspension.
35. A process according to claim 33 or claim 34, in which the retention and drainage system further comprises mixing into the cellulosic suspension a polymeric retention/drainage aid and/or a micro particulate retention/drainage aid.
36. A process according to claim 35, in which polymeric retention/drainage aid is selected from the group consisting of substantially water-soluble anionic, non-ionic, cationic and amphoteric polymers.
37. A process according to claim 35, in which the micro particulate retention/drainage aid in selected from the group consisting of cross linked organic polymers, silica microgels, colloidal silica, silica sole, silica gels, polysilicates, aluminosilicates, polyaluminosilicates, borosilicates, polyborosilicates, zeolites or swellable clay.
38. A process according to any of claims 33 to 37, in which a polymeric retention/drainage aid is mixed into the cellulosic suspension before at least one shear stage selected from mixing, cleaning and pumping stages and then aiding to the cellulosic suspension after that shear stage a retention/drainage aid comprising the aqueous composition.
39. A process according to claim 38 in which a micro particulate retention/drainage aid is also added to the cellulosic suspension after that shear stage.
40. A process of malting paper or paperboard comprising forming a cellulosic suspension, mixing mineral filler into the cellulosic suspension, applying a retention and drainage system that the suspension, draining water from the suspension to form a wet sheet and drying the sheet, characterised in that the mineral filler comprises the aqueous composition according to any of claims 7 to 16, the suspension is passed through at least one shear stage before applying the retention and drainage system, and in which the retention and drainage system comprises introducing into the cellulosic suspension the aqueous composition according to any of claims 7 to 16 and in which the shear stage is selected from mixing, cleaning and pumping stages.
41. A process according to claim 40, in which at least one further filler is mixed with the cellulosic suspension, in which the filler is either a mineral filler and/or an organic pigment.
42. A process according to claim 41 in which the further filler is selected from the group consisting of precipitated calcium carbonate (PCC), ground calcium carbonate, clays, calcined clays, talc, zeolites, silicas, titanium dioxide and structured pigments.
43. A process according to claim 41 or claim 42 in which the aqueous composition and the further filler is combined prior to addition to the cellulosic suspension.
44. A process according to claim 40 or claim 42 in which the aqueous composition and the further filler are added separately to the cellulosic suspension.
45. A process according to claim 44 in which the aqueous composition and further filler are added sequentially to the cellulosic suspension, preferably by addition of the further filler first.
46. A process according to any of claims 40 to 45, in which PCC mineral filler is added to the cellulosic suspension and the suspension is passed through at least one shear stage and then the aqueous composition according to any of claims 7 to 14 is mixed into the cellulosic suspension.
47. A process according to any of claims 40 to 46, in which subsequent to the addition of mineral filler comprising the aqueous composition according to any of claims 7 to 16, the cellulosic suspension is passed through at least one shear stage followed by the addition of a polymeric retention/drainage aid and then the cellulosic suspension is passed through at least one further shear stage after which a retention/drainage aid comprising the composition according to any of claims 7 to 16 is added to the cellulosic suspension.
48. A process according to claim 47 in which a further micro particulate retention/drainage aid is added to the cellulosic suspension prior to, simultaneously with or after the addition of the retention/drainage aid comprising the aqueous composition.
49. A process of making paper or paperboard comprising forming a cellulosic suspension, adding a strength aid to the cellulosic suspension, draining water from the suspension to form a wet sheet and drying the sheet, characterised in that the strength aid comprises the aqueous composition according to any of claims 7 to 16.
50. A process of making paper or paperboard comprising forming a cellulosic suspension, draining water from the suspension to form a wet sheet and then drying the sheet, wherein an aqueous polysilicate is added to the cellulosic suspension, in which the aqueous polysilicate is formed by a method comprising the steps of, i) providing an aqueous liquid having a source of silicate, ii) adjusting the pH of the liquid to between about 2 and about 10.5, thereby causing polymerisation of the silicate, iii) allowing sufficient time for the polymerisation to proceed to substantial completion and thereby forming a product comprising gelled material, characterised in that the product of step (iii) is sheared before addition to the cellulosic suspension.
Applications Claiming Priority (5)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US45983503P | 2003-04-02 | 2003-04-02 | |
| US60/459,835 | 2003-04-02 | ||
| GB0401313.2 | 2004-01-22 | ||
| GB0401313A GB0401313D0 (en) | 2004-01-22 | 2004-01-22 | Aqueous compositions and their use in the manufacture of paper and paperboard |
| PCT/EP2004/002807 WO2004088034A2 (en) | 2003-04-02 | 2004-03-18 | Aqueous compositions and their use in the manufacture of paper and paperboard |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CA2521111A1 true CA2521111A1 (en) | 2004-10-14 |
| CA2521111C CA2521111C (en) | 2012-05-15 |
Family
ID=33133159
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA2521111A Expired - Fee Related CA2521111C (en) | 2003-04-02 | 2004-03-18 | Aqueous compositions and their use in the manufacture of paper and paperboard |
Country Status (14)
| Country | Link |
|---|---|
| US (1) | US7470346B2 (en) |
| EP (1) | EP1608592A2 (en) |
| JP (1) | JP2006524174A (en) |
| KR (1) | KR101151320B1 (en) |
| AR (1) | AR043805A1 (en) |
| AU (1) | AU2004225819B2 (en) |
| BR (1) | BRPI0408951A (en) |
| CA (1) | CA2521111C (en) |
| MX (1) | MXPA05010536A (en) |
| NO (1) | NO20055028L (en) |
| NZ (1) | NZ542497A (en) |
| RU (1) | RU2350561C2 (en) |
| TW (1) | TW200502463A (en) |
| WO (1) | WO2004088034A2 (en) |
Families Citing this family (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20070161539A1 (en) * | 2006-01-12 | 2007-07-12 | Enrique Hernandez | Method of regulating degree of polymerization of an alkali metal silicate in solution using pH |
| CA2667420A1 (en) * | 2006-10-24 | 2008-05-02 | Ciba Holding Inc. | Process for preparing high strength paper |
| GB0702249D0 (en) * | 2007-02-05 | 2007-03-14 | Ciba Sc Holding Ag | Manufacture of paper or paperboard |
| GB0702248D0 (en) * | 2007-02-05 | 2007-03-14 | Ciba Sc Holding Ag | Manufacture of Filled Paper |
| JP5184898B2 (en) * | 2008-01-17 | 2013-04-17 | ニチアス株式会社 | Structure crushing method |
| EP3003989A1 (en) * | 2013-06-04 | 2016-04-13 | Bollerup Jensen A/S | Poly aluminium-silicate compositions and processes for producing the same |
| US10041211B2 (en) * | 2014-07-11 | 2018-08-07 | Stora Enso Oyj | Method of increasing the filler content in paper or paperboard |
| TWI771563B (en) | 2019-02-01 | 2022-07-21 | 嬌朋生技股份有限公司 | Biological fiber composition |
Family Cites Families (22)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3034994A (en) | 1958-02-06 | 1962-05-15 | Nalco Chemical Co | Catalysts and process for the preparation thereof |
| US4018616A (en) * | 1974-09-13 | 1977-04-19 | Mizusawa Kagaku Kogyo Kabushiki Kaisha | Water glass composition |
| SE432951B (en) * | 1980-05-28 | 1984-04-30 | Eka Ab | PAPER PRODUCT CONTAINING CELLULOSA FIBERS AND A BINDING SYSTEM CONTAINING COLOIDAL MILIC ACID AND COTIONIC STARCH AND PROCEDURE FOR PREPARING THE PAPER PRODUCT |
| US4431749A (en) | 1981-05-05 | 1984-02-14 | Ashland Oil, Inc. | Large pore catalysts for heavy hydrocarbon conversion |
| US4840653A (en) | 1983-12-22 | 1989-06-20 | American Telephone And Telegraph Company, At&T Bell Laboratories | Fabrication of high-silica glass article |
| GB8602121D0 (en) * | 1986-01-29 | 1986-03-05 | Allied Colloids Ltd | Paper & paper board |
| US4935228A (en) * | 1987-12-28 | 1990-06-19 | L'oreal S.A. | Lip gloss |
| US4954220A (en) | 1988-09-16 | 1990-09-04 | E. I. Du Pont De Nemours And Company | Polysilicate microgels as retention/drainage aids in papermaking |
| US5409683A (en) * | 1990-08-23 | 1995-04-25 | Regents Of The University Of California | Method for producing metal oxide aerogels |
| US5543014A (en) * | 1994-03-14 | 1996-08-06 | E. I. Du Pont De Nemours And Company | Process for preparing water soluble polyaluminosilicates |
| US5482693A (en) * | 1994-03-14 | 1996-01-09 | E. I. Du Pont De Nemours And Company | Process for preparing water soluble polyaluminosilicates |
| AU2817395A (en) | 1994-06-17 | 1996-01-15 | Bio-Technical Resources Lp | Method for making spherical adsorbent particles |
| US5595630A (en) * | 1995-08-31 | 1997-01-21 | E. I. Du Pont De Nemours And Company | Process for the manufacture of paper |
| US5827398A (en) * | 1996-02-13 | 1998-10-27 | Allied Colloids Limited | Production of filled paper |
| US5624651A (en) * | 1996-02-20 | 1997-04-29 | Pq Corporation | Stable high solids, high ratio alkali metal silicate solutions |
| US6406594B1 (en) * | 1997-07-18 | 2002-06-18 | Boise Cascade Corporation | Method for manufacturing paper products comprising polymerized mineral networks |
| EP0996787A1 (en) | 1997-07-18 | 2000-05-03 | Boise Cascade Corporation | Paper products comprising filler materials |
| DE19821143A1 (en) * | 1998-05-12 | 1999-11-18 | Degussa | Aluminum silicate suspension |
| US6274112B1 (en) * | 1999-12-08 | 2001-08-14 | E. I. Du Pont De Nemours And Company | Continuous production of silica-based microgels |
| MY140287A (en) * | 2000-10-16 | 2009-12-31 | Ciba Spec Chem Water Treat Ltd | Manufacture of paper and paperboard |
| US7156955B2 (en) * | 2001-12-21 | 2007-01-02 | Akzo Nobel N.V. | Papermaking process using a specified NSF to silica-based particle ratio |
| CN1768006B (en) * | 2003-04-02 | 2010-05-26 | 西巴特殊化学水处理有限公司 | Aqueous compositions and their use in the manufacture of paper and paperboard |
-
2004
- 2004-03-18 US US10/548,357 patent/US7470346B2/en not_active Expired - Fee Related
- 2004-03-18 CA CA2521111A patent/CA2521111C/en not_active Expired - Fee Related
- 2004-03-18 AU AU2004225819A patent/AU2004225819B2/en not_active Ceased
- 2004-03-18 MX MXPA05010536A patent/MXPA05010536A/en active IP Right Grant
- 2004-03-18 JP JP2006504721A patent/JP2006524174A/en active Pending
- 2004-03-18 EP EP04721527A patent/EP1608592A2/en not_active Withdrawn
- 2004-03-18 BR BRPI0408951-0A patent/BRPI0408951A/en not_active Application Discontinuation
- 2004-03-18 NZ NZ542497A patent/NZ542497A/en not_active IP Right Cessation
- 2004-03-18 RU RU2005133662/15A patent/RU2350561C2/en not_active IP Right Cessation
- 2004-03-18 WO PCT/EP2004/002807 patent/WO2004088034A2/en active Application Filing
- 2004-03-31 TW TW093108832A patent/TW200502463A/en unknown
- 2004-03-31 AR ARP040101080A patent/AR043805A1/en unknown
-
2005
- 2005-09-30 KR KR1020057018783A patent/KR101151320B1/en not_active IP Right Cessation
- 2005-10-28 NO NO20055028A patent/NO20055028L/en not_active Application Discontinuation
Also Published As
| Publication number | Publication date |
|---|---|
| NO20055028L (en) | 2005-10-28 |
| AR043805A1 (en) | 2005-08-10 |
| JP2006524174A (en) | 2006-10-26 |
| CA2521111C (en) | 2012-05-15 |
| TW200502463A (en) | 2005-01-16 |
| BRPI0408951A (en) | 2006-04-04 |
| KR20060002924A (en) | 2006-01-09 |
| KR101151320B1 (en) | 2012-06-08 |
| WO2004088034A2 (en) | 2004-10-14 |
| RU2350561C2 (en) | 2009-03-27 |
| MXPA05010536A (en) | 2005-11-23 |
| AU2004225819B2 (en) | 2008-08-21 |
| RU2005133662A (en) | 2006-07-27 |
| NZ542497A (en) | 2008-10-31 |
| AU2004225819A1 (en) | 2004-10-14 |
| US7470346B2 (en) | 2008-12-30 |
| EP1608592A2 (en) | 2005-12-28 |
| US20060096724A1 (en) | 2006-05-11 |
| WO2004088034A3 (en) | 2005-05-26 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| EEER | Examination request | ||
| MKLA | Lapsed |
Effective date: 20150318 |