CA2418400A1 - Process for sizing paper - Google Patents
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- CA2418400A1 CA2418400A1 CA002418400A CA2418400A CA2418400A1 CA 2418400 A1 CA2418400 A1 CA 2418400A1 CA 002418400 A CA002418400 A CA 002418400A CA 2418400 A CA2418400 A CA 2418400A CA 2418400 A1 CA2418400 A1 CA 2418400A1
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- polymer
- sizing
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- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
- D21H23/00—Processes or apparatus for adding material to the pulp or to the paper
- D21H23/76—Processes or apparatus for adding material to the pulp or to the paper characterised by choice of auxiliary compounds which are added separately from at least one other compound, e.g. to improve the incorporation of the latter or to obtain an enhanced combined effect
- D21H23/765—Addition of all compounds to the pulp
-
- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
- D21H21/00—Non-fibrous material added to the pulp, characterised by its function, form or properties; Paper-impregnating or coating material, characterised by its function, form or properties
- D21H21/14—Non-fibrous material added to the pulp, characterised by its function, form or properties; Paper-impregnating or coating material, characterised by its function, form or properties characterised by function or properties in or on the paper
- D21H21/16—Sizing or water-repelling agents
-
- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
- D21H17/00—Non-fibrous material added to the pulp, characterised by its constitution; Paper-impregnating material characterised by its constitution
- D21H17/20—Macromolecular organic compounds
- D21H17/21—Macromolecular organic compounds of natural origin; Derivatives thereof
- D21H17/24—Polysaccharides
- D21H17/28—Starch
- D21H17/29—Starch cationic
-
- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
- D21H17/00—Non-fibrous material added to the pulp, characterised by its constitution; Paper-impregnating material characterised by its constitution
- D21H17/20—Macromolecular organic compounds
- D21H17/33—Synthetic macromolecular compounds
- D21H17/46—Synthetic macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds
- D21H17/47—Condensation polymers of aldehydes or ketones
Landscapes
- Paper (AREA)
- Treatments For Attaching Organic Compounds To Fibrous Goods (AREA)
- Compositions Of Macromolecular Compounds (AREA)
Abstract
The present invention refers to a process for sizing paper which comprises adding to an aqueous suspension containing cellulosic fibres, and optional fillers, (i) a sizing dispersion comprising a sizing agent and a polymer having one or more aromatic groups, and (ii) a sizing promoter comprising a polymer having one or more aromatic groups, forming and draining the obtaine d suspension, wherein the sizing dispersion and the sizing promoter are added separately to the aqueous suspension.
Claims (100)
1. A process for sizing paper which comprises adding to an aqueous suspension containing cellulosic fibres, and optional fillers, (i) a sizing dispersion comprising a sizing agent and a polymer having one or more aromatic groups, and (ii) a sizing promoter comprising a polymer having one or more aromatic groups, forming and draining the obtained suspension, wherein the sizing dispersion and the sizing promoter are added separately to the aqueous, suspension.
2. The process according to claim 1, wherein the sizing dispersion is anionic or cationic.
3. The process according to claim 1, wherein the sizing agent is a cellulose-reactive sizing agent.
4. The process according to claim 3, wherein the sizing agent is a ketene dimer or an acid anhydride.
5. The process according to claim 3, wherein the sizing agent is a ketene dimer.
6. The process according to claim 1, wherein the polymer having one or more aromatic groups comprised in the sizing promoter is charged.
7. The process according to claim 1, wherein the polymer having one or more aromatic groups comprised in the sizing dispersion is anionic or cationic.
8. A process for sizing paper which comprises adding to an aqueous suspension containing cellulosic fibres, and optional fillers, (i) a sizing dispersion comprising a sizing agent, a polymer having one or more aromatic groups, and (ii) a sizing promoter comprising a first polymer having one or more aromatic groups and a second polymer having one or more aromatic groups, forming and draining the obtained suspension, wherein the sizing dispersion and the sizing promoter are added separately to the aqueous suspension.
9. The process according to claim 8, wherein the first and second polymer of the sizing promoter are added separately to the aqueous suspension.
10. The process according to claim 8, wherein the sizing dispersion is anionic or cationic.
11. The process according to claim 8, wherein the sizing agent is a cellulose-reactive sizing agent.
12. The process according to claim 11, wherein the sizing agent is a ketene dimer or an acid anhydride.
13. The process according to claim 11, wherein the sizing agent is a ketene dimer.
14. The process according to claim 8, wherein the first and second polymer comprised in the sizing promoter are charged.
15. The process according to claim 8, wherein the net charge of the first and second polymer comprised in the sizing promoter are opposite.
16. A process for sizing paper which comprises adding to an aqueous suspension containing cellulosic fibres, and optional fillers, (i) a sizing dispersion comprising a sizing agent and a polymer having one or more aromatic groups, and (ii) a sizing promoter comprising a cationic organic polymer having one or more aromatic groups, and an anionic polymer having one or more aromatic groups being a step-growth polymer, a polysaccharide or a naturally occurring aromatic polymer, forming and draining the obtained suspension, wherein the sizing dispersion and the sizing promoter are added separately to the aqueous suspension.
17. The process according to claim 16, wherein the sizing dispersion is anionic or cationic.
18. The process according to claim 16, wherein the sizing agent is a cellulose-reactive sizing agent.
19. The process according to claim 18, wherein the sizing agent is a ketene dimer or an acid anhydride.
20. The process according to claim 18, wherein the sizing agent is a ketene dimer.
21. The process according to claim 16, wherein the cationic organic polymer of the sizing promoter is a cationic polysaccharide or a cationic vinyl addition polymer.
22. The process according to claim 16, wherein the cationic organic polymer of the promoter is a cationic polysaccharide.
23. The process according to claim 16, wherein the anionic polymer of the promoter is a step-growth polymer or a naturally occurring aromatic polymer.
24. The process according to claim 16, wherein the anionic polymer of the promoter is a naphthalene sulphonate condensation polymer or a modified lignin polymer.
25. The process according to claim 24, wherein the anionic polymer of the promoter is condensated naphthalene sulphonate or ligninsulphonate.
26. The process according to claim-21, wherein the cationic organic polymer is a cationic polysaccharide having the structural formula (I):
wherein P is a residue of a polysaccharide; A is a chain of atoms comprising C
and H atoms attaching N to the polysaccharide residue, R1 and R2 are each H or a hydrocarbon group, R3 is an aromatic hydrocarbon group, n is an integer from 2 up to 300000, and X is an anionic counter ion; or vinyl addition polymers obtained by polymerising a cationic monomer or a monomer mixture comprising a cationic monomer represented by the general formula (II):
wherein R1 is H or CH3; R2 and R3 are each an alkyl group having from 1 to 3 carbon atoms, A1 is O or NH, B1 is an alkylene group having from 2 to 8 carbon atoms or a hydroxy propylene group, Q is a substituent containing an aromatic group, and X is an anionic counterion.
wherein P is a residue of a polysaccharide; A is a chain of atoms comprising C
and H atoms attaching N to the polysaccharide residue, R1 and R2 are each H or a hydrocarbon group, R3 is an aromatic hydrocarbon group, n is an integer from 2 up to 300000, and X is an anionic counter ion; or vinyl addition polymers obtained by polymerising a cationic monomer or a monomer mixture comprising a cationic monomer represented by the general formula (II):
wherein R1 is H or CH3; R2 and R3 are each an alkyl group having from 1 to 3 carbon atoms, A1 is O or NH, B1 is an alkylene group having from 2 to 8 carbon atoms or a hydroxy propylene group, Q is a substituent containing an aromatic group, and X is an anionic counterion.
27. The process according to claim 22, wherein the cationic organic polymer is a cationic polysaccharide having the structural formula (I):
wherein P is a residue of a polysaccharide; A is a chain of atoms comprising C
and H atoms attaching N to the polysaccharide residue, R1 and R2 are each H or a hydrocarbon group, R3 is an aromatic hydrocarbon group, n is an integer from 2 up to 300000, and X- is an anionic counter ion.
wherein P is a residue of a polysaccharide; A is a chain of atoms comprising C
and H atoms attaching N to the polysaccharide residue, R1 and R2 are each H or a hydrocarbon group, R3 is an aromatic hydrocarbon group, n is an integer from 2 up to 300000, and X- is an anionic counter ion.
28. The process according to claim 27, wherein A is an alkylene group with from 2 to 18 carbon atoms, optionally interrupted or substituted by one or more heteroatoms; R1 and R2 are each H or an alkyl group having from 1 to 3 carbon atoms; R3 is a bezyl or phenylethyl group.
29. The process according to claim 16, wherein the cationic organic polymer and the anionic polymer comprised in the sizing promoter are added separately to the aqueous suspension.
30. The process according to claim 16, wherein the anionic polymer comprised in the sizing promoter is added to the aqueous suspension after both the sizing dispersion and the cationic organic polymer comprised in the sizing promoter.
31. The process according to claim 16, wherein the conductivity.of the suspension is at least 3.5 mS/cm.
32. The process according to claim 31, wherein the conductivity of the suspension is at least 4.5 mS/cm.
33. A process for sizing paper which comprises adding to an aqueous suspension containing cellulosic fibres, and optional fillers, (i) a sizing dispersion comprising a sizing agent and an anionic polymer having one or more aromatic groups being a step-growth polymer, a polysaccharide or a naturally occurring aromatic polymer, the amount of added sizing dispersion to the suspension being from about 0.01% up to about 5.0% by weight calculated as sizing agent based on dry fibres; and (ii) a sizing promoter comprising a cationic organic polymer having one or more aromatic groups, and an anionic polymer having one or more aromatic groups being a step-growth polymer, a polysaccharide or a naturally occurring aromatic polymer, the amount of cationic polymer added to the suspension being from about 0.001 % up to about 3 % by weight based on dry fibre, and the amount of anionic polymer added to the suspension being from about 0.001 % up to about 3 % by weight based on dry fibre, forming and draining the obtained suspension, wherein the sizing dispersion and the sizing promoter are added separately.
34. The process according to claim 33, wherein the cationic organic polymer is a cationic polysaccharide or a cationic vinyl addition polymer.
35. The process according to claim 33, wherein the cationic organic polymer is a cationic polysaccharide.
36. The process according to claim 34, wherein the cationic organic polymer is a cationic polysaccharide having the structural formula (I):
wherein P is a residue of a polysaccharide; A is a chain of atoms comprising C
and H atoms attaching N to the polysaccharide residue, R1 and R2 are each H or a hydrocarbon group, R3 is an aromatic hydrocarbon group, n is an integer from 2 up to 300000, and X- is an anionic counter ion; or vinyl addition polymer obtained by polymerising a cationic monomer or a monomer mixture comprising a cationic monomer represented by the general formula (II):
wherein R1 is H or CH3; R2 and R3 are each an alkyl group having from 1 to 3 carbon atoms, A1 is O or NH, B1 is an alkylene group having from 2 to 8 carbon atoms or a hydroxy propylene group, Q is a substituent containing an aromatic group, and X is an anionic counterion.
wherein P is a residue of a polysaccharide; A is a chain of atoms comprising C
and H atoms attaching N to the polysaccharide residue, R1 and R2 are each H or a hydrocarbon group, R3 is an aromatic hydrocarbon group, n is an integer from 2 up to 300000, and X- is an anionic counter ion; or vinyl addition polymer obtained by polymerising a cationic monomer or a monomer mixture comprising a cationic monomer represented by the general formula (II):
wherein R1 is H or CH3; R2 and R3 are each an alkyl group having from 1 to 3 carbon atoms, A1 is O or NH, B1 is an alkylene group having from 2 to 8 carbon atoms or a hydroxy propylene group, Q is a substituent containing an aromatic group, and X is an anionic counterion.
37. The process according to claim 35, wherein the cationic organic polymer is a cationic polysaccharide having the structural formula (I):
wherein P is a residue of a polysaccharide; A is a chain of atoms comprising C
and H atoms attaching N to the polysaccharide residue, R1 and R2 are each H or a hydrocarbon group, R3 is an aromatic hydrocarbon group, n is an integer from 2 up to 300000, and X is an anionic counter ion.
wherein P is a residue of a polysaccharide; A is a chain of atoms comprising C
and H atoms attaching N to the polysaccharide residue, R1 and R2 are each H or a hydrocarbon group, R3 is an aromatic hydrocarbon group, n is an integer from 2 up to 300000, and X is an anionic counter ion.
38. The process according to claim 37, wherein A is an alkylene group with from 2 to 18 carbon atoms, optionally interrupted or substituted by one or more heteroatoms; R1 and R2 are each H or an alkyl group having from 1 to 3 carbon atoms; R3 is a bezyl or phenylethyl group.
39. The process according to claim 33, wherein the anionic polymer of the sizing dispersion and promoter is a step-growth polymer or a naturally occurring aromatic polymer.
40. The process according to claim 39, wherein the anionic polymer is a naphthalene sulphonate condensation polymer, a polystyrene sulphonate polymer or a modified lignin polymer.
41. The process according to claim 39, wherein the anionic polymer is a naphthalene sulphonate condensation polymer or a modified lignin polymer.
42. The process according to claim 39, wherein the anionic polymer is condensated naphthalene sulphonate or lignin sulphonate.
43. The process according to claim 33, wherein the cationic organic polymer and the anionic polymer comprised in the sizing promoter are added separately to the aqueous suspension.
44. The process according to claim 33, wherein the anionic polymer comprised in the sizing promoter is added to the aqueous suspension after both the sizing dispersion and the cationic organic polymer comprised in the sizing promoter.
45. The process according to claim 33, wherein the conductivity of the suspension is at least 3.5 mS/cm.
46. The process according to claim 45, wherein the conductivity of the suspension is at least 4.5 mS/cm.
47. The process according to claim 33, wherein the sizing agent is a cellulose-reactive sizing agent.
48. A process for sizing paper which comprises adding to an aqueous suspension containing cellulosic fibres, and optional fillers, (i) a sizing dispersion comprising a sizing agent, a cationic organic polymer having one or more aromatic groups and an anionic polymer having one or more aromatic groups being a step-growth polymer, a polysaccharide or a naturally occurring aromatic polymer, the amount of added sizing dispersion to the suspension being from about 0.01 % up to about 5.0 % by weight calculated as sizing agent based on dry fibres; and (ii) a sizing promoter comprising a cationic organic polymer having one or more aromatic groups, and an anionic polymer having one or more aromatic groups being a step-growth polymer, a polysaccharide or a naturally occurring aromatic polymer, the amount of cationic polymer added to the suspension being from about 0.001 % up to about 3 % by weight based on dry fibre, and the amount of anionic polymer added to the suspension being from about 0.001 % up to about 3 % by weight based on dry fibre, forming and draining the obtained suspension, wherein the sizing dispersion and the sizing promoter are added separately.
49. The process according to claim 48, wherein the cationic organic polymer of the sizing dispersion and promoter is a cationic polysaccharide or a cationic vinyl addition polymer.
50. The process according to claim 48, wherein the cationic organic polymer of the sizing dispersion and promoter is a cationic polysaccharide.
51. The process according to claim 49, wherein the cationic organic polymer is a cationic polysaccharide having the structural formula (I):
wherein P is a residue of a polysaccharide; A is a chain of atoms comprising C
and H atoms attaching N to the polysaccharide residue, R1 and R2 are each H or a hydrocarbon group, R3 is an aromatic hydrocarbon group, n is an integer from 2 up to 300000, and X- is an anionic counter ion; or vinyl addition polymer obtained by polymerising a cationic monomer or a monomer mixture comprising a cationic monomer represented by the general formula (II):
wherein R1 is H or CH3; R2 and R3 are each an alkyl group having from 1 to 3 carbon atoms, A1 is O or NH, B1 is an alkylene group having from 2 to 8 carbon atoms or a hydroxy propylene group, Q is a substituent containing an aromatic group, and X- is an anionic counterion.
wherein P is a residue of a polysaccharide; A is a chain of atoms comprising C
and H atoms attaching N to the polysaccharide residue, R1 and R2 are each H or a hydrocarbon group, R3 is an aromatic hydrocarbon group, n is an integer from 2 up to 300000, and X- is an anionic counter ion; or vinyl addition polymer obtained by polymerising a cationic monomer or a monomer mixture comprising a cationic monomer represented by the general formula (II):
wherein R1 is H or CH3; R2 and R3 are each an alkyl group having from 1 to 3 carbon atoms, A1 is O or NH, B1 is an alkylene group having from 2 to 8 carbon atoms or a hydroxy propylene group, Q is a substituent containing an aromatic group, and X- is an anionic counterion.
52. The process according to claim 50, wherein the cationic organic polymer is a cationic polysaccharide having the structural formula (I):
wherein P is a residue of a polysaccharide; A is a chain of atoms comprising C
and H atoms attaching N to the polysaccharide residue, R1 and R2 are each H or a hydrocarbon group, R3 is an aromatic hydrocarbon group, n is an integer from 2 up to 300000, and X is an anionic counter ion.
wherein P is a residue of a polysaccharide; A is a chain of atoms comprising C
and H atoms attaching N to the polysaccharide residue, R1 and R2 are each H or a hydrocarbon group, R3 is an aromatic hydrocarbon group, n is an integer from 2 up to 300000, and X is an anionic counter ion.
53. The process according to claim 52, wherein A is an alkylene group with from 2 to 18 carbon atoms, optionally interrupted or substituted by one or more heteroatoms; R1 and R2 are each H or an alkyl group having from 1 to 3 carbon atoms; R3 is a bezyl or phenylethyl group.
54. The process according to claim 48, wherein the anionic polymer of the sizing dispersion and promoter is a step growth polymer or a naturally occurring aromatic polymer.
55. The process according to claim 54, wherein the anionic polymer is a naphthalene sulphonate condensation polymer, a polystyrene sulphonate polymer or a modified lignin polymer.
56. The process according to claim 54, wherein the anionic polymer is a naphthalene sulphonate condensation polymer or a modified lignin polymer.
57. The process according to claim 54, wherein the anionic polymer is condensated naphthalene sulphonate or lignin sulphonate.
58. The process according to claim 48, wherein the cationic organic polymer and the anionic polymer comprised in the sizing promoter are added separately to the aqueous suspension.
59. The process according to claim 48, wherein the anionic polymer comprised in the sizing promoter is added to the aqueous suspension after both the sizing dispersion and the cationic organic polymer comprised in the sizing promoter.
60. The process according to claim 48, wherein the conductivity of the suspension is at least 3.5 mS/cm.
61. The process according to claim 60, wherein the conductivity of the suspension is at least 4.5 mS/cm.
62. The process according to claim 48, wherein the sizing agent is a cellulose-reactive sizing agent.
63. A process for sizing paper which comprises adding to an aqueous suspension containing cellulosic fibres, and optional fillers, (i) a sizing dispersion comprising a sizing agent and an anionic polymer having one or more aromatic groups being a naphthalene sulphonate condensation polymer, a polystyrene sulphonate polymer or a modified lignin polymer, the amount of added sizing dispersion to the suspension being from about 0.01 % up to about 5.0 % by weight calculated as sizing agent based on dry fibres; and (ii) a sizing promoter comprising a cationic organic polymer having one or more aromatic groups being a cationic polysaccharide, and an anionic polymer having one or more aromatic groups being a naphthalene sulphonate condensation polymer or a modified lignin polymer, the amount of cationic polymer added to the suspension being from about 0.001 % up to about 3 % by weight based on dry fibre, and the amount of anionic polymer added to the suspension being from about 0.001 % up to about 3 % by weight based on dry fibre, forming and draining the obtained suspension, wherein the sizing dispersion and the sizing promoter are added-separately.
64. The process according to claim 63, wherein the cationic organic polymer is a cationic polysaccharide having the structural formula (I):
wherein P is a residue of a polysaccharide; A is a chain of atoms comprising C
and H atoms attaching N to the polysaccharide residue, R1 and R2 are each H or a hydrocarbon group, R3 is an aromatic hydrocarbon group, n is an integer from 2 up to 300000, and X- is an anionic counter ion.
wherein P is a residue of a polysaccharide; A is a chain of atoms comprising C
and H atoms attaching N to the polysaccharide residue, R1 and R2 are each H or a hydrocarbon group, R3 is an aromatic hydrocarbon group, n is an integer from 2 up to 300000, and X- is an anionic counter ion.
65. The process according to claim 64, wherein A is an alkylene group with from 2 to 18 carbon atoms, optionally interrupted or substituted by one or more heteroatoms; R1 and R2 are each H or an alkyl group having from 1 to 3 carbon atoms; R3 is a bezyl or phenylethyl group.
66. The process according to claim 63, wherein the anionic polymer of the sizing dispersion and promoter is a naphthalene sulphonate condensation polymer or a modified lignin polymer.
67. The process according to claim 66, wherein the anionic polymer is condensated naphthalene sulphonate or lignin sulphonate.
68. The process according to claim 63, wherein the cationic organic polymer and the anionic polymer comprised in the sizing promoter are added separately to the aqueous suspension.
69. The process according to claim 63, wherein the anionic polymer comprised in the sizing promoter is added to the aqueous suspension after both the sizing dispersion and the cationic organic polymer comprised in the sizing promoter.
70. The process according to claim 63, wherein the conductivity of the suspension is at least 3.5 mS/cm.
71. The process according to claim 63, wherein the conductivity of the suspension is at least 4.5 mS/cm.
72. The process according to claim 63, wherein the sizing agent is a cellulose-reactive sizing agent.
73. A process for sizing paper which comprises adding to an aqueous suspension containing cellulosic fibres, and optional fillers, (i) a sizing dispersion comprising a sizing agent, a cationic organic polymer having one or more aromatic groups being cationic polysaccharide and an anionic polymer having one or more aromatic groups being a naphthalene, sulphonate condensation polymer, a polystyrene sulphonate polymer or a modified lignin polymer, the amount of added sizing dispersion to the suspension being from about 0.01.% up to about 5.0 % by weight calculated as sizing agent based on dry fibres; and (ii) a sizing promoter comprising a cationic organic polymer having one or more aromatic groups being a cationic polysaccharide, and an anionic polymer having one or more aromatic groups being a naphthalene sulphonate condensation polymer, a polystyrene sulphonate polymer or a modified lignin polymer, the amount of cationic polymer added to the suspension being from about 0.001 %
up to about 3 % by weight based on dry fibre, and the amount of anionic polymer added to the suspension being from about 0.001 % up to about 3 % by weight based on dry fibre, forming and draining the obtained suspension, wherein the sizing dispersion and the sizing promoter are added separately.
up to about 3 % by weight based on dry fibre, and the amount of anionic polymer added to the suspension being from about 0.001 % up to about 3 % by weight based on dry fibre, forming and draining the obtained suspension, wherein the sizing dispersion and the sizing promoter are added separately.
74. The process according to claim 73, wherein the cationic organic polymer is a cationic polysaccharide having the structural formula (I):
wherein P is a residue of a polysaccharide; A is a chain of atoms comprising C
and H atoms attaching N to the polysaccharide residue, R1 and R2 are each H or a hydrocarbon group, R3 is an aromatic hydrocarbon group, n is an integer from 2 up to 300000, and X- is an anionic counter ion.
wherein P is a residue of a polysaccharide; A is a chain of atoms comprising C
and H atoms attaching N to the polysaccharide residue, R1 and R2 are each H or a hydrocarbon group, R3 is an aromatic hydrocarbon group, n is an integer from 2 up to 300000, and X- is an anionic counter ion.
75. The process according to claim 74, wherein A is an alkylene group with from 2 to 18 carbon atoms, optionally interrupted or substituted by one or more heteroatoms; R1 and R2 are each H or an alkyl group having from 1 to 3 carbon atoms; R3 is a bezyl or phenylethyl group.
76. The process according to claim 73, wherein the anionic polymer of the sizing dispersion and promoter is a naphthalene sulphonate condensation polymer or a modified lignin polymer.
77. The process according to claim 76, wherein the anionic polymer is condensated naphthalene sulphonate or lignin sulphonate.
78. The process according to claim 73, wherein the cationic organic polymer and the anionic polymer comprised in the sizing promoter are added separately to the aqueous suspension.
79. The process according to claim 73, wherein the anionic polymer comprised in the sizing promoter is added to the aqueous suspension after both the sizing dispersion and the cationic organic polymer comprised in the sizing promoter.
80. The process according to claim 73, wherein the conductivity of the suspension is at least 4.5 mS/cm.
81. The process according to claim 73, wherein the sizing agent is a cellulose-reactive sizing agent.
82. A process for sizing paper which comprises adding to an aqueous suspension containing cellulosic fibres, and optional fillers, (i) a sizing dispersion comprising a sizing agent and an anionic polymer having one or more aromatic groups being a naphthalene sulphonate condensation polymer, a polystyrene sulphonate polymer or a modified lignin polymer, the amount of added sizing dispersion to the suspension being from about 0.01 % up to about 5.0 % by weight calculated as sizing agent based on dry fibres; and (ii) a sizing promoter comprising a cationic organic polymer having one or more aromatic groups being cationic polysaccharide having the structural formula (I):
wherein P is a residue of a polysaccharide; A is a chain of atoms comprising C
and H atoms attaching N to the polysaccharide residue, R1 and R2 are each H or a hydrocarbon group, R3 is an aromatic hydrocarbon group, n is an integer from 2 up to 300000, and X- is an anionic counter ion, and an anionic polymer having one or more aromatic groups being a naphthalene sulphonate condensation polymer or a modified lignin polymer, the amount of cationic polymer added to the suspension being from about 0.001 % up to about 3 % by weight based on dry fibre, and the amount of anionic polymer added to the suspension being from about 0.001 % up to about 3 % by weight based on dry fibre, forming and draining the obtained suspension, wherein the sizing dispersion and the sizing promoter are added separately.
wherein P is a residue of a polysaccharide; A is a chain of atoms comprising C
and H atoms attaching N to the polysaccharide residue, R1 and R2 are each H or a hydrocarbon group, R3 is an aromatic hydrocarbon group, n is an integer from 2 up to 300000, and X- is an anionic counter ion, and an anionic polymer having one or more aromatic groups being a naphthalene sulphonate condensation polymer or a modified lignin polymer, the amount of cationic polymer added to the suspension being from about 0.001 % up to about 3 % by weight based on dry fibre, and the amount of anionic polymer added to the suspension being from about 0.001 % up to about 3 % by weight based on dry fibre, forming and draining the obtained suspension, wherein the sizing dispersion and the sizing promoter are added separately.
83. The process according to claim 82, wherein the anionic polymer of the sizing dispersion and promoter is a naphthalene sulphonate condensation polymer or a modified lignin polymer.
84. The process according to claim 83, wherein the anionic polymer is condensated naphthalene sulphonate or lignin sulphonate.
85. The process according to claim 82, wherein the cationic organic polymer and the anionic polymer comprised in the sizing promoter are added separately to the aqueous suspension.
86. The process according to claim 82, wherein the anionic polymer comprised in the sizing promoter is added to the aqueous suspension after both the sizing dispersion and the cationic organic polymer comprised in the sizing promoter.
87. The process according to claim 82, wherein the conductivity of the suspension is at least 3.5 mS/cm.
88. The process according to claim 82, wherein the sizing agent is a cellulose-reactive sizing agent.
89. The process according to claim 82, wherein the sizing agent is present in the dispersion in an amount of from about 0.1 up to about 50 % by weight based on total emulsion.
90. The process according to claim 82, wherein anionic polymer of the sizing dispersion is present in an amount of from about 0.1 % up to about 15 % by weight based on sizing agent.
91. A process for sizing paper which comprises adding to an aqueous suspension containing cellulosic fibres, and optional fillers, (i) a sizing dispersion comprising a sizing agent, a cationic polymer having one or more aromatic groups being a cationic polysaccharide having the structural formula (I):
wherein P is a residue of a polysaccharide; A is a chain of atoms comprising C
and H atoms attaching N to the polysaccharide residue, R1 and R2 are each H or a hydrocarbon group, R3 is an aromatic hydrocarbon group, n is an integer from 2 up to 300000, and X- is an anionic counter ion, and an anionic polymer having one or more aromatic groups being a naphthalene sulphonate condensation polymer, a polystyrene sulphonate polymer or a modified lignin polymer, the amount of added sizing dispersion to the suspension being from about 0.01 %
up to about 5.0 % by weight calculated as sizing agent-based on dry fibres;
and (ii) a sizing promoter comprising a cationic organic polymer having one or more aromatic groups being cationic polysaccharide having the structural formula (I):
wherein P is a residue of a polysaccharide; A is a chain of atoms comprising C
and H atoms attaching N to the polysaccharide residue, R1 and R2 are each H or a hydrocarbon group, R3 is an aromatic hydrocarbon group, n is an integer from 2 up to 300000, and X- is an anionic counter ion, and an anionic polymer having one or more aromatic groups being a naphthalene sulphonate condensation polymer or a modified lignin polymer, the amount of cationic polymer added to the suspension being from about 0.001 % up to about 3 % by weight based on dry fibre, and the amount of anionic polymer added to the suspension being from about 0.001 % up to about 3 % by weight based on dry fibre, forming and draining the obtained suspension, wherein the sizing dispersion and the sizing promoter are added separately.
wherein P is a residue of a polysaccharide; A is a chain of atoms comprising C
and H atoms attaching N to the polysaccharide residue, R1 and R2 are each H or a hydrocarbon group, R3 is an aromatic hydrocarbon group, n is an integer from 2 up to 300000, and X- is an anionic counter ion, and an anionic polymer having one or more aromatic groups being a naphthalene sulphonate condensation polymer, a polystyrene sulphonate polymer or a modified lignin polymer, the amount of added sizing dispersion to the suspension being from about 0.01 %
up to about 5.0 % by weight calculated as sizing agent-based on dry fibres;
and (ii) a sizing promoter comprising a cationic organic polymer having one or more aromatic groups being cationic polysaccharide having the structural formula (I):
wherein P is a residue of a polysaccharide; A is a chain of atoms comprising C
and H atoms attaching N to the polysaccharide residue, R1 and R2 are each H or a hydrocarbon group, R3 is an aromatic hydrocarbon group, n is an integer from 2 up to 300000, and X- is an anionic counter ion, and an anionic polymer having one or more aromatic groups being a naphthalene sulphonate condensation polymer or a modified lignin polymer, the amount of cationic polymer added to the suspension being from about 0.001 % up to about 3 % by weight based on dry fibre, and the amount of anionic polymer added to the suspension being from about 0.001 % up to about 3 % by weight based on dry fibre, forming and draining the obtained suspension, wherein the sizing dispersion and the sizing promoter are added separately.
92. The process according to claim 91, wherein the anionic polymer of the sizing dispersion and promoter is a naphthalene sulphonate condensation polymer or a modified lignin polymer.
93. The process according to claim 91, wherein the anionic polymer is condensated naphthalene sulphonate or lignin sulphonate.
94. The process according to claim 91, wherein the cationic organic polymer and the anionic polymer comprised in the sizing promoter are added separately to the aqueous suspension.
95. The process according to claim 91, wherein the anionic polymer comprised in the sizing promoter is added to the aqueous suspension after both the sizing dispersion and the cationic organic polymer comprised in the sizing promoter.
96. The process according to claim 91, wherein the conductivity of the suspension is at least 3.5 mS/cm.
97. The process according to claim 91, wherein the sizing agent is a cellulose-reactive sizing agent.
98. The process according to claim 91, wherein the sizing agent is present in the dispersion in an amount of from about 0.1 up to about 50 % by weight based on total emulsion.
99. The process according to claim 91, wherein anionic polymer of the sizing dispersion is present in an amount of from about 0.1 % up to about 15 % by weight based on sizing agent.
100. The process according to claim 91, wherein cationic polymer of the sizing dispersion is present in an amount of from about 0.1 % up to about 15 % by weight based on sizing agent.
Applications Claiming Priority (9)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| EP00850136.3 | 2000-08-07 | ||
| EP00850135 | 2000-08-07 | ||
| EP00850137 | 2000-08-07 | ||
| EP00850136 | 2000-08-07 | ||
| EP00850135.5 | 2000-08-07 | ||
| EP00850137.1 | 2000-08-07 | ||
| EP00850195.9 | 2000-11-16 | ||
| EP00850195 | 2000-11-16 | ||
| PCT/SE2001/001698 WO2002012622A1 (en) | 2000-08-07 | 2001-08-02 | Process for sizing paper |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CA2418400A1 true CA2418400A1 (en) | 2002-02-14 |
| CA2418400C CA2418400C (en) | 2010-10-26 |
Family
ID=27440066
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| Application Number | Title | Priority Date | Filing Date |
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| CA002418416A Abandoned CA2418416A1 (en) | 2000-08-07 | 2001-08-02 | Sizing dispersion |
| CA002418424A Expired - Fee Related CA2418424C (en) | 2000-08-07 | 2001-08-02 | A process for the production of paper |
| CA2418400A Expired - Fee Related CA2418400C (en) | 2000-08-07 | 2001-08-02 | Process for sizing paper |
| CA002418413A Expired - Fee Related CA2418413C (en) | 2000-08-07 | 2001-08-02 | Process for sizing paper |
Family Applications Before (2)
| Application Number | Title | Priority Date | Filing Date |
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| CA002418416A Abandoned CA2418416A1 (en) | 2000-08-07 | 2001-08-02 | Sizing dispersion |
| CA002418424A Expired - Fee Related CA2418424C (en) | 2000-08-07 | 2001-08-02 | A process for the production of paper |
Family Applications After (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA002418413A Expired - Fee Related CA2418413C (en) | 2000-08-07 | 2001-08-02 | Process for sizing paper |
Country Status (17)
| Country | Link |
|---|---|
| EP (4) | EP1309755B2 (en) |
| JP (4) | JP2004506103A (en) |
| KR (4) | KR100560239B1 (en) |
| CN (4) | CN1449464A (en) |
| AR (4) | AR030314A1 (en) |
| AT (2) | ATE547562T2 (en) |
| AU (6) | AU2001280361B2 (en) |
| BR (4) | BR0112904A (en) |
| CA (4) | CA2418416A1 (en) |
| CZ (1) | CZ304877B6 (en) |
| ES (3) | ES2382790T5 (en) |
| MX (5) | MX259234B (en) |
| NO (1) | NO332614B1 (en) |
| NZ (1) | NZ523956A (en) |
| PT (3) | PT1309756E (en) |
| TR (1) | TR200300157T2 (en) |
| WO (4) | WO2002012624A1 (en) |
Families Citing this family (42)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| BR0112904A (en) * | 2000-08-07 | 2003-07-01 | Akzo Nobel | Ironing Scatter |
| CZ304557B6 (en) * | 2000-08-07 | 2014-07-09 | Akzo Nobel N. V. | Process for producing paper |
| CN1246246C (en) | 2000-10-04 | 2006-03-22 | 詹姆斯哈迪国际财金公司 | Fiber cement composition materials using cellulose fibers loaded with inorganic and/or organic substances |
| CA2424699C (en) | 2000-10-17 | 2010-04-27 | James Hardie Research Pty Limited | Method and apparatus for reducing impurities in cellulose fibers for manufacture of fiber reinforced cement composite materials |
| ATE359245T1 (en) * | 2001-03-09 | 2007-05-15 | James Hardie Int Finance Bv | FIBER REINFORCED CEMENT MATERIALS USING CHEMICALLY MODIFIED FIBERS WITH IMPROVED MIXABILITY |
| EP1546455A1 (en) * | 2002-10-01 | 2005-06-29 | Akzo Nobel N.V. | Cationised polysaccharide product |
| MXPA05003691A (en) | 2002-10-07 | 2005-11-17 | James Hardie Int Finance Bv | Durable medium-density fibre cement composite. |
| US7303654B2 (en) | 2002-11-19 | 2007-12-04 | Akzo Nobel N.V. | Cellulosic product and process for its production |
| WO2004063113A2 (en) | 2003-01-09 | 2004-07-29 | James Hardie International Finance B.V. | Fiber cement composite materials using bleached cellulose fibers |
| FI20030490A (en) * | 2003-04-01 | 2004-10-02 | M Real Oyj | Process for making fiber composition |
| US20050022956A1 (en) * | 2003-07-29 | 2005-02-03 | Georgia-Pacific Resins Corporation | Anionic-cationic polymer blend for surface size |
| JP4574271B2 (en) * | 2003-07-31 | 2010-11-04 | 花王株式会社 | Powdery papermaking composition |
| US7658819B2 (en) | 2004-12-30 | 2010-02-09 | Akzo Nobel N.V. | Composition |
| US7604715B2 (en) | 2005-11-17 | 2009-10-20 | Akzo Nobel N.V. | Papermaking process |
| US7682485B2 (en) | 2005-12-14 | 2010-03-23 | Akzo Nobel N.V. | Papermaking process |
| WO2007069991A2 (en) | 2005-12-14 | 2007-06-21 | Akzo Nobel N.V. | Papermaking process |
| US8993462B2 (en) | 2006-04-12 | 2015-03-31 | James Hardie Technology Limited | Surface sealed reinforced building element |
| CN101547789A (en) * | 2006-12-01 | 2009-09-30 | 阿克佐诺贝尔股份有限公司 | Packaging laminate |
| CA2671041A1 (en) | 2006-12-01 | 2008-06-05 | Akzo Nobel N.V. | Cellulosic product |
| CA2682924A1 (en) | 2007-04-05 | 2008-10-16 | Akzo Nobel N.V. | Process for improving optical properties of paper |
| EP2239370B1 (en) | 2009-04-09 | 2012-06-20 | Kompetenzzentrum Holz GmbH | Dry and wet strength improvement of paper products with cationic tannin |
| AU2010330791B2 (en) * | 2009-12-18 | 2015-11-26 | Solenis Technologies Cayman, L.P. | Paper sizing composition |
| SG183830A1 (en) | 2010-03-29 | 2012-10-30 | Akzo Nobel Chemicals Int Bv | Process of producing a cellulosic fibre web |
| WO2011120876A1 (en) | 2010-03-29 | 2011-10-06 | Akzo Nobel Chemicals International B.V. | Process of producing a cellulosic fibre web |
| EP2402503A1 (en) | 2010-06-30 | 2012-01-04 | Akzo Nobel Chemicals International B.V. | Process for the production of a cellulosic product |
| US8852400B2 (en) | 2010-11-02 | 2014-10-07 | Ecolab Usa Inc. | Emulsification of alkenyl succinic anhydride with an amine-containing homopolymer or copolymer |
| JP6366161B2 (en) * | 2010-12-28 | 2018-08-01 | 星光Pmc株式会社 | Water dispersible sizing agent, paper manufacturing method and paperboard manufacturing method |
| CN102493275A (en) * | 2011-12-08 | 2012-06-13 | 山东轻工业学院 | Stable ASA (Alkenyl Succinic Anhydride) papermaking sizing emulsion and preparation method thereof |
| DE102011088201B4 (en) * | 2011-12-10 | 2017-02-02 | Friedrich-Schiller-Universität Jena | Process water purification process in the paper industry |
| CN102864686A (en) * | 2012-09-29 | 2013-01-09 | 上海东升新材料有限公司 | Sizing agent emulsion and preparation method for same |
| CN104870712B (en) * | 2012-11-08 | 2018-01-02 | 索理思科技开曼公司 | The composition and purposes of alkyl hydrides ketene dimer |
| CA2893121A1 (en) | 2012-12-20 | 2014-06-26 | Akzo Nobel Chemicals International B.V. | Polyquaternary polymer as a depressant in a method for froth flotation of potash ores |
| NL2011609C2 (en) * | 2013-10-14 | 2015-04-16 | Univ Delft Tech | Extracellular polymers from granular sludge as sizing agents. |
| CN106917324B (en) * | 2015-12-25 | 2019-11-08 | 艺康美国股份有限公司 | A kind of paper-making sizing method and its paper of preparation |
| FR3059345B1 (en) * | 2016-11-29 | 2020-06-12 | Centre Technique De L'industrie, Des Papiers, Cartons Et Celluloses | BINDING COMPOSITION BASED ON VEGETABLE FIBERS AND MINERAL FILLERS, ITS PREPARATION AND ITS USE |
| CN107164993A (en) * | 2017-04-14 | 2017-09-15 | 南通强生石墨烯科技有限公司 | Graphene sizing composition and preparation method thereof |
| CN107574721B (en) * | 2017-10-27 | 2020-05-26 | 齐鲁工业大学 | Filter paper with functions of absorbing and desorbing boric acid and preparation method thereof |
| CN110485199A (en) * | 2018-05-15 | 2019-11-22 | 上海东升新材料有限公司 | Dehydroabietic acid lignin emulsifier and the AKD lotion prepared with the emulsifier |
| CN110685187A (en) * | 2019-09-10 | 2020-01-14 | 佛山市顺德区文达创盈包装材料科技有限公司 | Internal sizing composition for paper pulp and application method and application thereof |
| CN114573755B (en) * | 2022-05-05 | 2022-07-29 | 山东奥赛新材料有限公司 | Preparation method of cationic emulsifier for rosin size |
| KR102658058B1 (en) * | 2022-05-25 | 2024-04-15 | 주식회사 써모랩코리아 | Pulp mold packaging |
| WO2024105160A1 (en) * | 2022-11-17 | 2024-05-23 | Sca Forest Products Ab | Production of hydrophobic paper |
Family Cites Families (26)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1177512A (en) * | 1966-04-15 | 1970-01-14 | Nalco Chemical Co | Improved Papermaking Process |
| US3409500A (en) † | 1966-10-28 | 1968-11-05 | American Cyanamid Co | Method of sizing paper with cationic polyamine and carboxylic anhydride |
| US3499824A (en) † | 1967-02-27 | 1970-03-10 | American Cyanamid Co | Aqueous cationic emulsions of papersizing isocyanates and manufacture of paper therewith |
| CA1044859A (en) † | 1974-07-31 | 1978-12-26 | Emil D. Mazzarella | Method of sizing paper |
| GB1588416A (en) * | 1976-09-08 | 1981-04-23 | Laporte Industries Ltd | Process and compositions for the treatment of cellulosic materials |
| US4374673A (en) | 1980-12-31 | 1983-02-22 | Hercules Incorporated | Stable dispersions of fortified rosin |
| JPS57161197A (en) * | 1981-03-27 | 1982-10-04 | Arakawa Rinsan Kagaku Kogyo Kk | Ketene dimer type size agent |
| DE3203189A1 (en) † | 1982-01-30 | 1983-08-04 | Bayer Ag, 5090 Leverkusen | SIZE AND ITS USE |
| US4687519A (en) * | 1985-12-20 | 1987-08-18 | National Starch And Chemical Corporation | Paper size compositions |
| JPS6414397A (en) * | 1987-02-02 | 1989-01-18 | Nissan Chemical Ind Ltd | Papermaking method |
| KR0159921B1 (en) * | 1988-10-03 | 1999-01-15 | 마이클 비. 키한 | A composition comprising cathionic and anionic polymer process thereof |
| GB8920456D0 (en) * | 1989-09-11 | 1989-10-25 | Albright & Wilson | Active sizing compositions |
| US5595629A (en) * | 1995-09-22 | 1997-01-21 | Nalco Chemical Company | Papermaking process |
| DE19540998A1 (en) * | 1995-11-03 | 1997-05-07 | Basf Ag | Aqueous alkyldiketene dispersions and their use as sizing agents for paper |
| JP3496906B2 (en) * | 1996-04-09 | 2004-02-16 | ハイモ株式会社 | Method for improving drainage of paperboard |
| GB9610955D0 (en) | 1996-05-24 | 1996-07-31 | Hercules Inc | Sizing composition |
| TW577875B (en) * | 1997-01-31 | 2004-03-01 | Shionogi & Co | Pyrrolidine derivatives with inhibitory activity for phospholipase A2 |
| SE9704931D0 (en) | 1997-02-05 | 1997-12-30 | Akzo Nobel Nv | Sizing of paper |
| US6033524A (en) * | 1997-11-24 | 2000-03-07 | Nalco Chemical Company | Selective retention of filling components and improved control of sheet properties by enhancing additive pretreatment |
| EP0953680A1 (en) * | 1998-04-27 | 1999-11-03 | Akzo Nobel N.V. | A process for the production of paper |
| JPH11315491A (en) * | 1998-04-30 | 1999-11-16 | Japan Pmc Corp | Resin composition for paper making and paper making |
| NZ508425A (en) * | 1998-06-24 | 2002-10-25 | Akzo Nobel Nv | A process for the production ionic polyurethanes by reacting isocyanate groups of a polyisocyanate with hydroxyl groups of alcohols |
| FI109218B (en) | 1998-09-04 | 2002-06-14 | Kemira Chemicals Oy | A bonding compound used for neutral gluing of paper or paperboard and a method of making paper or paperboard |
| AU6333599A (en) | 1998-10-16 | 2000-05-08 | Basf Aktiengesellschaft | Aqueous sizing agent dispersions adjusted to be anionic or cationic and designedfor paper sizing |
| CA2315676C (en) * | 1999-05-28 | 2009-10-13 | Nalco Chemical Company | Selective retention of filling components and improved control of sheet properties by enhancing additive pretreatment |
| BR0112904A (en) * | 2000-08-07 | 2003-07-01 | Akzo Nobel | Ironing Scatter |
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