CN1281818C - Paper making processes using enzyme and polymer compositions - Google Patents
Paper making processes using enzyme and polymer compositions Download PDFInfo
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- CN1281818C CN1281818C CN00815720.0A CN00815720A CN1281818C CN 1281818 C CN1281818 C CN 1281818C CN 00815720 A CN00815720 A CN 00815720A CN 1281818 C CN1281818 C CN 1281818C
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- cationic polymer
- paper pulp
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- polymer compositions
- enzyme
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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
- D21H17/00—Non-fibrous material added to the pulp, characterised by its constitution; Paper-impregnating material characterised by its constitution
- D21H17/005—Microorganisms or enzymes
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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
- D21H11/00—Pulp or paper, comprising cellulose or lignocellulose fibres of natural origin only
- D21H11/02—Chemical or chemomechanical or chemothermomechanical pulp
- D21H11/06—Sulfite or bisulfite 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
- 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
- D21H17/34—Synthetic macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds
- D21H17/37—Polymers of unsaturated acids or derivatives thereof, e.g. polyacrylates
- D21H17/375—Poly(meth)acrylamide
-
- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
- D21H17/00—Non-fibrous material added to the pulp, characterised by its constitution; Paper-impregnating material characterised by its constitution
- D21H17/20—Macromolecular organic compounds
- D21H17/33—Synthetic macromolecular compounds
- D21H17/34—Synthetic macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds
- D21H17/41—Synthetic macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds containing ionic groups
- D21H17/44—Synthetic macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds containing ionic groups cationic
- D21H17/45—Nitrogen-containing groups
- D21H17/455—Nitrogen-containing groups comprising tertiary amine or being at least partially quaternised
-
- 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
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- Paper (AREA)
- Sanitary Thin Papers (AREA)
- Materials For Medical Uses (AREA)
- Making Paper Articles (AREA)
Abstract
Methods of making paper or paperboard are described. In one method, at least one cellulytic enzyme composition and at least one cationic polymer composition are introduced to a paper making pulp at about the same time to form a treated pulp. The pulp may also be treated with at least one cationic starch. The resulting pulp is formed into a sheet of pulp. Other paper making processes are also described. A paper making apparatus is also described for carrying out the methods. Paper and paperboard made according to the methods are also described.
Description
Invention field
The product that the present invention relates to papermaking process and prepare by these methods.More specifically, the present invention relates to cellulolytic enzyme (cellulylic enzyme) and one or more polymer treatment paper making pulps.
Background technology
The concrete papermaking process that uses enzyme to handle paper making pulp is described in for example following United States Patent (USP): US4,923,565, people such as Fuentes, US 5,110,412, people such as Fuentes, 5,169,497, people such as Sarkar, and US 5,308,449, people such as Fuentes introduce the present invention as a reference with the full text of each piece in these patents.According to these methods, before pulp treatment on the paper machine of routine, paper making pulp is contacted the considerable time section with enzymatic compositions.According to these methods, paper pulp must keep contacting at least 20 minutes with enzymatic compositions, and paper pulp can be handled with the synthetic polymer compositions of routine then.Make that enzyme has the sufficient reaction time before adding synthetic polymer this contact time.Therefore, this method need add synthetic polymer separately at the downstream position that enzyme at first contacts the paper pulp place, this be time-consuming and be complicated.
That need to simplify and/or avoid the papermaking process of long contact time.
Summary of the invention
The invention provides a kind of method for preparing paper or cardboard, this method comprises: almost introduce simultaneously the composition that comprises at least a cellulolytic enzyme and at least a cationic polymer compositions to form treated paper pulp in paper making pulp.Enzymatic compositions and polymer composition can add separately in the paper pulp, and perhaps they can premixed and then adding.Paper pulp also can be further processed with at least a cationic starch.Then, the paper pulp of gained forms sheet pulp, compares with the processing of routine, and described sheet pulp has improved water filtering performance and/or retention performance.After drainage and drying, the paper of gained or cardboard preferably present excellent opacity and other physical property.
The invention still further relates to the method for preparing paper or cardboard, this method comprises: use the cationic polymer compositions pulp treatment in blend stock tank (blendchest), then treated paper pulp is passed through the preceding stock tank (machine chest) of paper machine, in the stock tank before the paper machine enzymatic compositions is added in the treated paper pulp.The paper pulp correct grinding of then enzyme being handled also passes through stuff box.Paper pulp by the plain boiled water well, adds second cationic polymer compositions from stuff box herein in paper pulp then, then paper pulp is formed paper or cardboard.
The present invention also provides the papermaking systems that is used to implement said method, and according to the paper and the cardboard of described method preparation.
Should be understood that, general description above and detailed description hereinafter only be illustrative with indicative, its purpose only provides the further explanation of the present invention for required protection.The accompanying drawing of introducing among the application and constituting the application's a part illustrates several embodiments of the present invention, and is used from specification one and explains principle of the present invention.
Accompanying drawing is described
Fig. 1 is the flow chart that illustrates according to the papermaking process of embodiment of the present invention.
Fig. 2 is the flow chart that illustrates according to the papermaking process of another embodiment of the present invention.
Fig. 3 is the flow chart that illustrates according to the papermaking process of another embodiment of the present invention.
The specific embodiment
The invention provides the method for preparing paper or cardboard.In one approach, almost in paper making pulp, introduce composition and at least a cationic polymer compositions that comprises at least a cellulolytic enzyme simultaneously.Enzymatic compositions and polymer composition can add separately in the paper pulp, and perhaps they can premixed and then adding.Then, the paper pulp of gained forms paper or cardboard.According to the present invention, also can in paper pulp or treated paper pulp, add cationic starch, this cationic starch and cationic polymer compositions and enzymatic compositions almost add simultaneously, or add subsequently.Cationic starch can be identical or different with the cationic polymer of previous adding.Paper and cardboard according to this method preparation preferably present excellent opacity and/or other physical property.The sheet pulp of preparation paper and board product preferably presents excellent water filtering performance and/or the excellent performance of keeping the paper pulp fiber fines.
Method of the present invention can be implemented on the paper machine of routine, can carry out described improvement easily according to the present invention.Described method can adopt many dissimilar paper making pulps or its combination.For example, paper pulp can comprise magma (virgin) and/or reuse slurry, as the mixture of sulphite magma, waste stuff, broad-leaved wood sulphate pulp, softwood kraft pulp, these paper pulp etc.
As discussed above, almost add enzymatic compositions and cationic polymer compositions simultaneously.Preferably, almost adding these two kinds of components simultaneously means each other within 10 minutes, more preferably each other within 5 minutes, further preferably each other within 2 minutes or 1 minute, most preferably add these two kinds of components basically simultaneously in paper pulp.
And, generally can add enzymatic compositions and cationic polymer compositions in any position of paper-making process, but before the preferred plain boiled water well in paper-making process, more preferably before the stock tank before the paper machine, further preferably before the blend stock tank, add described enzymatic compositions and cationic polymer compositions.Most preferably, add enzymatic compositions and cationic polymer compositions before first refiner in the paper-making process that is usually located at blend stock tank front.
The enzymatic compositions that is used for pulp treatment can comprise the enzyme of the processing paper making pulp with cellulytic activity of any routine.These components can have other component, as long as can influence the cellulytic activity of enzymatic compositions sharply.Preferably, enzymatic compositions also has the activity of decomposing hemicellulose.Suitable enzyme is included in those that describe in the following document: US 5 with the composition that contains enzyme, 356,800, Jaquess, the U.S. Patent application 09/031 that on February 27th, 1998 submitted to, 830 and publication number be in the international application of WO 99/43780, the full text of these documents is introduced the present invention as a reference.The enzyme of the processing paper making pulp of other illustrative is BUZYME
TM2523 and BUZYME
TM2524, these two kinds of enzymes all can derive from Buckman Laboratories International, Inc., Memphis, Tennessee.The cellulolytic enzyme composition preferably comprises about 5% enzyme to about 20% weight.Preferred enzymatic compositions can further comprise polyethylene glycol, hexylene glycol, polyvinylpyrrolidone, tetrahydrofurfuryl alcohol (tetra hydrofuryl alcohol), glycerine, water and other conventional enzymatic compositions additive, as US 5,356, described in 800.The amount of the enzyme that adds in paper pulp is the enzyme based on about 0.001-0.100% weight of paper pulp dry weight, for example about 0.005-0.05% weight.
In a preferred embodiment of the invention, enzymatic compositions comprises at least a polyamide oligomer as well as and at least a enzyme.Polyamide exists with stabilized enzyme with effective dose.It is in WO 99/43780 international application that the enzymatic compositions that comprises the illustrative of polyamide oligomer as well as and enzyme is described in publication number, and this document is introduced the present invention as a reference in full.
According to the present invention, enzymatic compositions can comprise the combination of two or more different enzymes.Enzymatic compositions can comprise the combination as lipase and cellulase, and can choose wantonly and comprise stabilizing agent.Stabilizing agent can be above-mentioned polyamide oligomer as well as.
The cationic polymer compositions that almost joins simultaneously in the paper pulp with enzymatic compositions adds with effective dose, than not having cationic polymer, the drainability of advantageous embodiment paper pulp or retention.Usually, the addition of cationic polymer is at least about 0.5 pound of cationic polymer/paper pulp per ton, and based on the drying solid of paper pulp, and preferred addition is at least about 1 pound of cationic polymer/paper pulp per ton.Preferably, the addition of cationic polymer is about 2-6 pound/paper pulp per ton, based on drying solid.Cationic polymer can be preferably to add to about 0.0100% weight or about 0.0001% amount to about 1.000% weight based on about 0.0001% of the drying solid weight of paper pulp.
Can use any cationic polymer or its mixture, and preferably the cationic polymer of relevant with papermaking usually routine can be used as in the cationic polymer compositions.The example of cationic polymer includes but not limited to: cationic starch, cationic polyacrylamide polymer, for example, and the copolymer of acrylamide and cationic monomer, wherein cationic monomer can be the form of neutralization or seasonization.Preferred nitrogenous cationic polymer.Can comprise with the cationic monomer that the acrylamide copolymerization forms the illustrative of preferred preferred cation polymer of the present invention acrylate or methacrylate aminoalkyl ester, be the diallylamine of the form of neutralization or seasonization.The cationic monomer and the cationic polyacrylamide polymer of illustrative are described in Baron, among people's such as Jr. the US 4,894,119, the document are introduced the present invention as a reference in full.
Cationic polymer also can be the polyacrylamide that is formed by the monomer that comprises as 1-trimethyl ammonium-2-hydroxypropyl methacrylate ester methyl ester sulfate.Other example of cationic polymer includes but not limited to: the homopolymers of diallyl amine monomers, the homopolymers of acrylic acid aminoalkyl ester and polyamine, and as US4, described in 894,119.Also can use the polymer of copolymer, ter-polymers or higher form.And, for purposes of the invention, can use the mixture of two or more cationic polymers.
When cationic polymer is cationic polyacrylamide, preferably there is the nonionic acrylamide unit in the copolymer, its amount is preferably at least about 30mol% and is not more than 95mol% usually.At least about 5mol% and the polymer that is not more than about 70mol% usually preferably form by cationic comonomer.
The weight average molecular weight of cationic polymer is preferably greater than 1,000, and for example, about 10,000 to about 15,000,000, or about 100,000 to about 10,000,000.
In a preferred embodiment of the invention, the weight average molecular weight of existing cationic polymer is at least about 10,000, and cationic polymer compositions and enzymatic compositions are being joined paper pulp in the paper pulp together, described cationic polymer and enzymatic compositions are pre-mixed.
After almost handling paper making pulp with enzymatic compositions and cationic polymer compositions simultaneously, the treated paper pulp of gained can be handled with the paper machine and the technology of routine.Treated paper pulp can be handled with one or more components in addition, and described component comprises other polymer such as anion and non-ionic polymers, clay, other filler, dyestuff, pigment, defoamer, pesticide (biocide), pH regulator agent such as alum and other conventional papermaking or sheet processing additive.A kind of particularly preferred additive that the method according to this invention is used is a cationic starch.
Can in paper pulp of the present invention or treated paper pulp, add cationic starch to form the paper pulp that starch is handled.Can add starch in one or more positions along paper making pulp flows by papermaking apparatus of the present invention or system.For example, can almost add cationic starch simultaneously what in paper pulp, add enzyme and cationic polymer.Also can after handling with enzyme and cationic polymer, paper pulp in treated paper pulp, alternatively add or add in addition cationic starch.Preferred cation starch includes but not limited to potato starch, cornstarch and other wet end starch, or its combination.
The starch that can in paper pulp, add convention amount.The amount of starch of operable illustrative is based on about 5 to about 25 pounds/ton of drying solid weight of paper pulp according to the present invention.
Except starch or be used to replace starch, can any time in paper-making process add particulate additives.Particulate additives can change the electric charge of the component of the electric charge of paper pulp or paper pulp.Particulate additives can be, for example, and charging agent (charging agent) or modifier, filler, coagulating agent and/or keep auxiliary agent.Particulate additives can be a particulate additives natural or synthetic li-montmorillonite, bentonite, zeolite, alumina sol or any routine known to a person of ordinary skill in the art.
According to conventional use of insecticide in papermaking process, can in paper pulp or treated paper pulp, add pesticide.For example, after paper pulp is handled with enzyme and cationic polymer, pesticide can be added in the treated paper pulp in the blend stock tank.The pesticide that is used for paper making pulp according to the present invention comprises those pesticides known to a person of ordinary skill in the art, and for example, BUSAN 1130, derive from BuckmanLaboratories International, Inc., Memphis, Tennessee.
The flow chart of the papermaking systems that is used to implement method of the present invention has been described among Fig. 1.Should be understood that shown system is of the present invention giving an example, and never means by any way to limit the scope of the invention.In the system of Fig. 1, enzymatic compositions feed and cationic polymer compositions feed mix to form treated paper pulp with the flow stream of paper making pulp with required separately concentration simultaneously.Shown slurry feed is represented slurry stream, as hold the slurry stream of supplying pond or the well from slurry.Slurry feed shown in Figure 1 can be a conduit, holds pond or mixing channel, or other container, passage, or the mixed zone of slurry stream.The enzymatic compositions feed can be as having the pond that holds of the outlet that communicates with the inlet in treated paper pulp pond.The cationic polymer compositions feed can be as having the pond that holds of the outlet that communicates with the inlet in treated paper pulp pond.
The paper pulp of handling with enzymatic compositions and cationic polymer compositions from treated paper pulp pond by refiner, then by the blend stock tank, Ren Xuan additive (comprising pesticide) mixes with treated paper pulp herein.Refiner has and the outlet inlet communicating in treated paper pulp pond and the outlet that communicates with blend stock tank inlet.
According to the embodiment of Fig. 1, the paper pulp of handling in the blend stock tank enters the inlet communicating of the preceding stock tank of paper machine from the outlet (communication) of blend stock tank.Stock tank before blend stock tank and the paper machine can be any general type known to a person of ordinary skill in the art.Stock tank before the paper machine is guaranteed horizontal pressure head (level head),, guarantees the treated paper pulp of the whole downstream portion of system, particularly flow box place or the constant pressure on the slurry that is.
In the system of Fig. 1, the paper pulp of the drainage in the papermaking that derives from the flow box is recycled in the plain boiled water well.
In embodiment shown in Figure 2, the place joins cationic starch in the treated paper pulp at the blend stock tank, and described system comprises conventional stuff box.Can add additional cationic starch at the stuff box place, although not shown in Figure 2.The system of Fig. 2 before the paper machine stock tank and stuff box between have second refiner.Can add other additive at the stuff box place, comprise pH regulator agent such as alum.The pH regulator agent can add in other position along paper pulp by device or treated paper pulp stream.
Device of the present invention also can comprise the measuring equipment that is used for providing to paper pulp stream suitable enzyme concentration, for example, and based on about 0.001 enzyme of the drying solid weight of paper pulp to about 0.100% weight.Described device can comprise the measuring equipment that is used for providing to paper pulp stream the suitable cationic polymers consumption, for example, and based on 0.0001 cationic polymer of the drying solid weight of paper pulp to about 1.000% weight.Other additive and the composition that preferably provide other measuring equipment to be used for during this method, may using.
Fig. 3 shows another embodiment of the present invention.In the blend stock tank, use cationic polymer compositions, as nitrogenous cationic polymer or cationic starch pulp treatment.The stock tank of treated paper pulp before the blend stock tank enters the paper machine, wherein enzymatic compositions is added in the treated paper pulp to form the paper pulp of handling through enzyme.Then, with the paper pulp correct grinding of enzyme processing and by stuff box, herein with in the optional adding of the optional cationic polymer compositions paper pulp.Optional cationic polymer compositions, if you are using, can be identical or different with first cationic polymer compositions that adds in the paper pulp at blend stock tank place.Alternative is not add any additional cationic polymer in paper pulp at the stuff box place.Then, paper pulp, adds nitrogenous cationic polymer compositions in the paper pulp by the plain boiled water well herein from stuff box.Then, paper pulp enters in the net by mixing pump, enters in the flow box subsequently.The slurry of the drainage in the papermaking that derives from the flow box is recycled in the plain boiled water well.
According to the embodiment of the present invention shown in Fig. 3, nitrogenous cationic polymer compositions for example can be, contains the cationic polymer of acrylamide unit and cationic monomer unit.On the other hand, first cationic polymer compositions that is added can be nitrogenous polymer, cationic starch or another cationic polymer.Optional cationic polymer compositions also can be nitrogenous polymer, cationic starch or another cationic polymer.First cationic polymer compositions, nitrogenous cationic polymer compositions and optional cationic polymer compositions can be identical or different.According to the preferred embodiments of the invention shown in Figure 3, at least a cationic polymer compositions and optional cationic polymer compositions comprise starch.And preferred nitrogenous cationic polymer compositions comprises acrylamide unit and cationic monomer unit.
According to the arbitrary embodiment shown in above-mentioned Fig. 1-3, can between as mixing pump and net, cleaner such as centrifugal force cleaning device be set.
Method and apparatus of the present invention provides the reaction time that prolongs between paper pulp, enzyme and the cationic polymer.The treated paper pulp that arrives flow box in system of the present invention can form paper or cardboard precursor page.Preferably, described page presents excellent drainability and/or keeps the performance of fiber fines.Prepared according to the methods of the invention gained paper and cardboard present excellent opacity and other physical property.
The present invention relates to a kind of method for preparing paper or cardboard, comprising: a) within 5 minutes, in paper making pulp, introduce the composition comprise at least a cellulolytic enzyme and at least a cationic polymer compositions to form treated paper pulp; And b) treated paper pulp is made paper or cardboard.And preferably, in described paper pulp, add described cellulolytic enzyme composition with amount based on the cellulolytic enzyme of 0.100% to 0.001% weight of the dry weight of paper pulp.
For those of ordinary skills, do not departing under the spirit or scope of the present invention, embodiment of the present invention are being carried out various improvement and change is conspicuous.Therefore, the present invention has covered other improvement of the present invention and change, and condition is that they are in the scope of appending claims and suitable thing thereof.
Claims (35)
1. method for preparing paper or cardboard comprises: a) within 5 minutes, introduce the composition that comprises at least a cellulolytic enzyme and at least a cationic polymer compositions to form treated paper pulp in paper making pulp; And b) treated paper pulp is made paper or cardboard.
2. the method for claim 1 also comprises and introduce at least a first cationic starch in treated paper pulp.
3. the process of claim 1 wherein that described cellulolytic enzyme composition comprises the cellulolytic enzyme of 5% to 20% weight.
4. the process of claim 1 wherein with amount, in described paper pulp, add described cellulolytic enzyme composition based on the cellulolytic enzyme of 0.100% to 0.001% weight of the dry weight of paper pulp.
5. the process of claim 1 wherein that described cellulolytic enzyme composition comprises at least a polyamide oligomer as well as and at least a cellulolytic enzyme.
6. the process of claim 1 wherein that described paper pulp comprises sulfite pulp.
7. the method for claim 2 is wherein adding second cationic starch in treated paper pulp before the step b), and this second cationic starch and first cationic starch are identical or different.
8. the process of claim 1 wherein that described at least a cationic polymer compositions comprises synthetic cationic polymer.
9. the process of claim 1 wherein that described at least a cationic polymer compositions comprises polyacrylamide polymers.
10. the process of claim 1 wherein that described at least a cationic polymer compositions is synthetic, the water-soluble cationic polymer that comprises acrylamide unit and cationic monomer unit.
11. the process of claim 1 wherein that the amount of the cationic polymer in the described cationic polymer compositions that adds is 0.0001% weight to 1.000% weight based on the drying solid weight of described paper pulp in described paper pulp.
12. the method for claim 2, wherein the amount of the described at least a cationic starch that adds in described treated paper pulp is the 5-25 pound/ton based on the drying solid weight of described paper pulp.
13. the method for claim 1, the weight average molecular weight of the cationic polymer in the wherein said cationic polymer compositions is at least 10,000, and before adding polymer and enzyme in the paper pulp together, with described cationic polymer compositions and enzymatic compositions premixed.
14. paper or cardboard according to the preparation of the method for claim 1.
15. the process of claim 1 wherein and within 1 minute, add described composition and at least a cationic polymer compositions that comprises at least a cellulolytic enzyme.
16. the process of claim 1 wherein and add described composition and at least a cationic polymer compositions that comprises at least a cellulolytic enzyme simultaneously.
17. the process of claim 1 wherein and add described composition and at least a cationic polymer compositions that comprises at least a cellulolytic enzyme before the blend stock tank in paper-making process.
18. the method for claim 17 wherein added described composition and at least a cationic polymer compositions that comprises at least a cellulolytic enzyme before first refiner that is positioned at blend stock tank front.
19. the method for claim 17 also is included in the blend stock tank and introduces at least a first cationic starch before in treated paper pulp.
20. the method for claim 17, wherein said at least a cationic polymer compositions comprises the synthetic polymer with at least a polymer with nitrogen.
21. the method for claim 19 also comprises and introduce at least a second cationic starch in treated paper pulp, and wherein said first and second cationic starches is identical or different.
22. the process of claim 1 wherein that described paper pulp is sulphite magma.
23. paper or cardboard according to the preparation of the method for claim 21.
24. the method for claim 1 comprises: a) in paper pulp, introduce cationic polymer compositions to form treated paper pulp; B) introducing comprises the composition of at least a cellulolytic enzyme to form the paper pulp that enzyme is handled in described treated paper pulp; C) in the paper pulp that enzyme is handled, add nitrogenous cationic polymer compositions, and d) described paper pulp is formed paper or cardboard.
25. the method for claim 24 also comprises: before introducing nitrogenous cationic polymer compositions in the paper pulp of handling to enzyme, in the paper pulp that enzyme is handled, introduce second cationic polymer compositions.
26. the method for claim 24, wherein said cationic polymer compositions comprises nitrogenous cationic polymer or starch.
27. the method for claim 25, wherein said second cationic polymer compositions comprises nitrogenous cationic polymer or starch.
28. the method for claim 24, wherein said cellulolytic enzyme composition comprises 5% to 20% enzyme.
29. the method for claim 24 wherein with the amount based on the enzyme of 0.001% to 0.100% weight of the drying solid weight of paper pulp, adds the described enzyme in the described cellulolytic enzyme composition in described paper pulp.
30. the method for claim 24, wherein said enzymatic compositions comprise at least a polyamide oligomer as well as and at least a cellulolytic enzyme.
31. the method for claim 24, wherein said paper pulp comprises sulfite pulp.
32. the method for claim 24, wherein the amount of the described cationic polymer in the described cationic polymer compositions that adds in described paper pulp is 0.001% to 1.000% weight based on the drying solid weight of paper pulp.
33. paper or cardboard according to the preparation of the method for claim 24.
34. the method for claim 24, wherein the blend stock tank place in paper-making process introduces described cationic polymer compositions, stock tank place before the paper machine in identical paper-making process introduces the composition that comprises at least a cellulolytic enzyme, and the plain boiled water Jing Chu in identical paper-making process adds described nitrogenous cationic polymer compositions.
35. the method for claim 34, wherein the stuff box place between stock tank before described paper machine and described plain boiled water well introduces optional cationic polymer.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US16633099P | 1999-11-19 | 1999-11-19 | |
| US60/166,330 | 1999-11-19 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1423717A CN1423717A (en) | 2003-06-11 |
| CN1281818C true CN1281818C (en) | 2006-10-25 |
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ID=22602807
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN00815720.0A Expired - Fee Related CN1281818C (en) | 1999-11-19 | 2000-11-14 | Paper making processes using enzyme and polymer compositions |
Country Status (14)
| Country | Link |
|---|---|
| EP (1) | EP1250487B1 (en) |
| JP (1) | JP4528478B2 (en) |
| CN (1) | CN1281818C (en) |
| AT (1) | ATE483059T1 (en) |
| AU (1) | AU770908B2 (en) |
| BR (1) | BR0015768B1 (en) |
| CA (1) | CA2391576C (en) |
| DE (1) | DE60045040D1 (en) |
| ES (1) | ES2350914T3 (en) |
| MX (1) | MXPA02004886A (en) |
| NZ (1) | NZ518975A (en) |
| PT (1) | PT1250487E (en) |
| WO (1) | WO2001036740A2 (en) |
| ZA (1) | ZA200203739B (en) |
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| JP2008527191A (en) * | 2005-01-05 | 2008-07-24 | ダウ グローバル テクノロジーズ インコーポレイティド | Enhanced fungicide efficacy in paper and paperboard |
| PT2147149T (en) * | 2007-05-16 | 2017-05-03 | Buckman Laboratories Int Inc | Methods to control organic contaminants in fibers |
| CA2796258C (en) * | 2010-04-15 | 2018-06-12 | Buckman Laboratories International, Inc. | Paper making processes and system using enzyme and cationic coagulant combination |
| PT2609250T (en) * | 2010-08-25 | 2016-10-26 | Solenis Technologies Cayman Lp | Method for increasing the advantages of starch in pulped cellulosic material in the production of paper and paperboard |
| BR112014004225B1 (en) * | 2011-08-25 | 2021-02-02 | Solenis Technologies Cayman, L.P. | method for making paper, cardboard or paperboard and use |
| WO2014087232A1 (en) * | 2012-12-06 | 2014-06-12 | Kemira Oyj | Compositions used in paper and methods of making paper |
| CN104153243A (en) * | 2013-05-13 | 2014-11-19 | 广西南宁碧欧生物科技有限公司 | New pulping promotion fiber modification bio-enzyme preparation |
| CN103541259B (en) * | 2013-10-19 | 2015-12-02 | 沅江浣溪沙酶技术有限公司 | The production method of reed, Di Wei paper-making pulping complex enzyme liquid and application |
| BR102015032911A2 (en) * | 2015-12-29 | 2017-07-04 | Fibria Celulose S.A | PROCESS FOR PRODUCTION OF PULP PULP, PULP PULP AND ITS USE, PAPER |
| WO2020014351A1 (en) * | 2018-07-10 | 2020-01-16 | Novozymes A/S | Method of making paper or board |
| CN110983851A (en) * | 2019-11-20 | 2020-04-10 | 山鹰华南纸业有限公司 | Method for improving operation efficiency of drying part of paper machine |
Family Cites Families (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4894119A (en) | 1985-04-10 | 1990-01-16 | Drew Chemical Corporation | Retention and/or drainage and/or dewatering aid |
| FI85389C (en) * | 1989-12-12 | 1992-04-10 | Enso Gutzeit Oy | Process for mass production |
| US5169497A (en) * | 1991-10-07 | 1992-12-08 | Nalco Chemical Company | Application of enzymes and flocculants for enhancing the freeness of paper making pulp |
| US5256252A (en) * | 1992-07-15 | 1993-10-26 | Nalco Chemical Company | Method for controlling pitch deposits using lipase and cationic polymer |
| US5356800A (en) * | 1992-11-30 | 1994-10-18 | Buckman Laboratories International, Inc. | Stabilized liquid enzymatic compositions |
| DK131193D0 (en) * | 1993-11-23 | 1993-11-23 | Novo Nordisk As | |
| US5423946A (en) * | 1994-03-07 | 1995-06-13 | Nalco Chemical Company | Cationic anionic polyelectrolytes for enhancing the freeness of paper pulp |
| KR100256636B1 (en) * | 1994-04-12 | 2000-05-15 | 김충섭 | Manufacturing method for improving the amount of fillers and reinforcing the strength of scott internal interrity in paper |
| US5501770A (en) * | 1994-08-12 | 1996-03-26 | Nalco Chemical Company | Enzymes in combination with polyelectrolytes for enhancing the freeness of clarified sludge in papermaking |
| JPH1025690A (en) * | 1996-07-15 | 1998-01-27 | Oji Paper Co Ltd | Production of paper having single-sided luster |
| FI990444A (en) * | 1998-03-11 | 1999-09-12 | Nalco Chemical Co | Increased pulp pulverization mode |
-
2000
- 2000-11-14 CA CA002391576A patent/CA2391576C/en not_active Expired - Lifetime
- 2000-11-14 WO PCT/US2000/042119 patent/WO2001036740A2/en active Search and Examination
- 2000-11-14 NZ NZ518975A patent/NZ518975A/en not_active IP Right Cessation
- 2000-11-14 EP EP00991473A patent/EP1250487B1/en not_active Expired - Lifetime
- 2000-11-14 CN CN00815720.0A patent/CN1281818C/en not_active Expired - Fee Related
- 2000-11-14 AU AU32696/01A patent/AU770908B2/en not_active Ceased
- 2000-11-14 JP JP2001538607A patent/JP4528478B2/en not_active Expired - Fee Related
- 2000-11-14 BR BRPI0015768-6A patent/BR0015768B1/en not_active IP Right Cessation
- 2000-11-14 AT AT00991473T patent/ATE483059T1/en active
- 2000-11-14 PT PT00991473T patent/PT1250487E/en unknown
- 2000-11-14 ES ES00991473T patent/ES2350914T3/en not_active Expired - Lifetime
- 2000-11-14 MX MXPA02004886A patent/MXPA02004886A/en active IP Right Grant
- 2000-11-14 DE DE60045040T patent/DE60045040D1/en not_active Expired - Lifetime
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|---|---|
| EP1250487A2 (en) | 2002-10-23 |
| WO2001036740A2 (en) | 2001-05-25 |
| CN1423717A (en) | 2003-06-11 |
| MXPA02004886A (en) | 2003-02-27 |
| ES2350914T3 (en) | 2011-01-28 |
| PT1250487E (en) | 2010-11-29 |
| JP4528478B2 (en) | 2010-08-18 |
| CA2391576A1 (en) | 2001-05-25 |
| JP2003515002A (en) | 2003-04-22 |
| WO2001036740A3 (en) | 2002-02-07 |
| DE60045040D1 (en) | 2010-11-11 |
| BR0015768B1 (en) | 2009-08-11 |
| CA2391576C (en) | 2007-04-24 |
| EP1250487B1 (en) | 2010-09-29 |
| ZA200203739B (en) | 2003-02-26 |
| NZ518975A (en) | 2003-11-28 |
| BR0015768A (en) | 2002-10-22 |
| AU770908B2 (en) | 2004-03-04 |
| AU3269601A (en) | 2001-05-30 |
| ATE483059T1 (en) | 2010-10-15 |
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