CN1721622A - Cleaning agent for paper production and method of cleaning felt for paper production - Google Patents
Cleaning agent for paper production and method of cleaning felt for paper production Download PDFInfo
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- CN1721622A CN1721622A CN 200510082017 CN200510082017A CN1721622A CN 1721622 A CN1721622 A CN 1721622A CN 200510082017 CN200510082017 CN 200510082017 CN 200510082017 A CN200510082017 A CN 200510082017A CN 1721622 A CN1721622 A CN 1721622A
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Abstract
The invention provides a detergent used in the papermaking process and a method for cleaning papermaking felt. The detergent used in the papermaking process includes water-soluble polymer and aliphatic amine or derivatives thereof. And the method for cleaning the papermaking felt includes adding the detergent used in the papermaking process into spray water. The detergent used in the papermaking process has the advantage of perfect cleaning effect, which means that incrustations caused by both inorganic matters such as calcium carbonate and organic matters such as neutral rosin sizing agent can be cleaned. The method for cleaning papermaking felt adopts the detergent which is provided with the advantage.
Description
Technical field
The present invention relates to be used for the cleaning agent of paper-making process and the method that clean paper making is used felt.More specifically, the present invention relates to cleaning agent used in the papermaking process, it has can clean the incrustation that is caused by inorganic substances such as calcium carbonate, can clean the excellent results of the incrustation that is caused by organic substance such as neutral rosin sizing agent again.The invention still further relates to the method for this cleaning agent clean paper making that adopt with felt.
Background technology
In paper-making process, string is dispersed in the water and obtains three-dimensional uniform fibers suspension, this fibrous suspension is spread on the filter such as metal screen of porous, filter then to remove and anhydrate.The wet sheet that obtains is two-dimentional uniform fibers film, places it on the felt, pushes between roll, thereby removes excessive water.The wet sheet that obtains is further by drying and dehydrating, obtained to form bond between fiber and paper with certain intensity.
Recently, owing to implement the highly process of sealing in papermaking, therefore the increase of waste paper utilization, and the increase of the variation of operating condition and chemicals type are easy to occur incrustation in paper-making process.Although in the paper pulp manufacturing step, add deposit control reagent, must be in the step that forms paper clean metal silk, felt and filter drum.Therefore, developed the method that in paper-making process, prevents incrustation and cause trouble.
For example, can not cause the starching size in the method for negative effect obviously suppressing rosin to form, suggestion is adopted and add nonionic surface active agent (adding 16-60mol oxirane to 1mol has in the alkylamine of 10-22 carbon atom or the alkenyl amine and make) in paper-making process, thereby prevent the trouble (Japanese Unexamined Patent Publication No No.Showa 55 (1980)-45857, the 1-2 page or leaf) that rosin causes.Pile up the cleaning agent of the incrustation that causes as preventing aluminium hydroxide on paper grade (stock) felt and calcium carbonate, suggestion adopts citric acid or malic acid with chelation to come clean paper making felt as the organic acid cleaning agent, and adopt the cleaning agent that in mentioned reagent, adds inorganic acid example hydrochloric acid, sulfuric acid and sulfamic acid to come clean paper making felt (Japanese patent application, publication number No.Heisei 4 (1992)-348195, the 2nd page).
Yet in the neutralized paper forming process of recently extensively carrying out, the incrustation that calcium carbonate causes becomes serious problem, adopts traditional cleaning agent can not prevent the obstruction that paper grade (stock) felt takes place fully.Dewater at crimping section and to depend on the ability that paper grade (stock) felt is squeezed out hydraulic pressure to a great extent.When causing paper grade (stock) felt to take place to stop up owing to adhering to of incrustation, can not fully realize or realize equably dewatering, occurred increasing, and problems such as paper breaks have taken place in the consumption of drier section generation steam.Also wish more effectively to prevent the trouble that causes incrustation to bring by organic substance such as neutral rosin.Therefore, wish to obtain to be used for the cleaning agent of paper-making process and the method that clean paper making is used felt, it can prevent the incrustation that caused by inorganic substances such as calcium carbonate and simultaneously because the incrustation that organic substance such as neutral rosin sizing agent cause, and improves the operability of paper-making process and the quality of the paper that makes.
Summary of the invention
One of purpose of the present invention provides a kind of cleaning agent that is used for paper-making process, and the method that adopts this cleaning agent clean paper making usefulness felt, this cleaning agent has excellent cleaning effect, that is: the incrustation that causes by inorganic substances such as calcium carbonate can be cleaned, the incrustation that causes by organic substance such as neutral rosin sizing agent can be cleaned again.
The present inventor has carried out extensive studies for achieving the above object, found that the cleaning agent that comprises water-soluble polymer and fatty amine or derivatives thereof has can clean the incrustation that is caused by inorganic substances such as calcium carbonate, can clean the effect of the incrustation that is caused by organic substance such as neutral rosin sizing agent again.And find that the associating use is effective especially based on polymerizing acrylic acid thing and polyoxygenated alkene fatty amine,, can prevent effectively that paper grade (stock) felt from stopping up by in shower water, adding above-mentioned cleaning agent.Based on above knowledge, the inventor has finished the present invention.
The invention provides:
(1) a kind of cleaning agent that is used for paper-making process comprises water-soluble polymer and fatty amine or derivatives thereof.
(2) cleaning agent that is used for paper-making process described in (1), wherein, described water-soluble polymer is an anionic polymer;
(3) as any described cleaning agent that is used for paper-making process in (1) and (2), wherein, the derivative of described fatty amine is a polyoxygenated alkene fatty amine;
(4) a kind of clean paper making comprises adding any described cleaning agent that is used for paper-making process in (1)-(3) in shower water with the method for felt.
The preferred embodiment of the present invention comprises:
(5) cleaning agent that is used for paper-making process described in (2), wherein, described anionic polymer is the polymer with carboxyl;
(6) cleaning agent that is used for paper-making process described in (5), wherein said polymer with carboxyl is acrylic acid homopolymers or copolymer;
(7) cleaning agent that is used for paper-making process described in (3), wherein, described polyoxygenated alkene fatty amine is by add the compound that 7-30mol oxirane makes in the fatty amine with 8-22 carbon atom;
(8) a kind of clean paper making comprises adding any described cleaning agent that is used for paper-making process in (5)-(7) in shower water with the method for felt.
Adopt the present invention to be used for the cleaning agent of paper-making process, can prevent incrustation that causes by inorganic substances such as calcium carbonate and the incrustation that causes by organic substance such as neutral rosin sizing agent simultaneously; Paper-making process can stably carry out.By adding in the shower water of press section that the present invention is used for the cleaning agent of paper-making process and clean paper making felt can prevent that paper grade (stock) felt from stopping up, increased the residue degree of air duct in the paper grade (stock) felt.Dehydration is carried out under the situation with stability effectively, and can increase the life-span of paper grade (stock) felt.
Description of drawings
Fig. 1 is the example of clean paper making with the method for felt.
Numeral among the figure and letter have following meaning:
1: wet sheet
2: paper grade (stock) felt
3: pressure roller
4: high pressure pin type moves spray head
5: suction box
6: the spray head that covers whole width
7: suction box
8: high pressure pin type moves spray head
9: the spray head that covers whole width
10: the spray head that covers whole width
11: suction box
12: suction box
Detailed Description Of The Invention
The cleaning agent that the present invention is used for paper-making process comprises water-soluble polymer and fatty amine or derivatives thereof. Being used for water-soluble polymer of the present invention is not particularly limited. The example of water-soluble polymer has poly-(chlorination diallyl dimethyl ammonium); Copolymer hydrolysis and cyclisation polymer that obtain, that have the amidine structure by N-vinyl formamide and acrylonitrile; Cationic polymer is such as the quaternary compound of polymethylacrylic acid dimethyl aminoethyl ester; Non-ionic polyalcohol is such as polyvinyl alcohol and polyethylene glycol oxide; And anionic polymer, such as the salt of polyacrylic acid, polystyrolsulfon acid, poly-(2-acrylamide-2-methyl propane sulfonic acid) and these compounds. In these polymer, the preferred anionic polymer.
The example of the anionic polymer that the present invention adopts has the polymer with carboxyl; Polymer with sulfonic acid group; And the polymer with sulfinic acid group. The polymer that preferably has carboxyl in these compounds. Examples of polymer with carboxyl comprises polymer and the copolymer of acrylic acid, methacrylic acid and maleic acid. In these polymer preferably based on acrylic acid polymer, such as the copolymer of copolymer, acrylic acid and the 2-acrylamide-2-methyl propane sulfonic acid of polyacrylic acid, acrylic acid and 2-hydroxyl-3-pi-allyl oxygen-1-propane sulfonic acid, and the copolymer of acrylic acid and maleic acid. Preferably, be 1,000-100 based on the weight average molecular weight of acrylic acid polymer, 00, more preferably 3,000-30,000. Can use separately based on acrylic acid polymer, or two or more unites use.
The example of the fatty amine that adopts among the present invention comprises alkylamine, such as butylamine, amylamine, diethylamine, di-n-propylamine, dibutyl amine and ethylenediamine; And alkenyl amine, such as allylamine. The derivative of the fatty amine that the present invention adopts comprises fatty amine salt, fatty amine oxide and polyoxygenated alkene fatty amine. The example of fatty amine salt comprises laurylammonium chloride, nutmeg amine acetate, cetylamine sulfate, stearylamine nitrate and oil base amine hydrochlorate. The example of fatty amine oxide comprises Trimethylamine N-Oxide.
Preferably, in the polyoxygenated alkene fatty amine that the present invention adopts, fatty amine has 10-22 carbon atom, more preferably 12-20 carbon atom. Preferably, the polyoxygenated alkene fatty amine that adopts among the present invention is the polyethylene glycol oxide fatty amine, and the molal quantity of the oxirane that adds is 7-30, is preferably 10-20. The polyethylene glycol oxide fatty amine that employing makes by add 7-30mol oxirane in the fatty amine with 10-22 carbon atom, the effect that has obtained to dissolve neutral rosin sizing agent has prevented that effectively paper grade (stock) felt from stopping up.
Be used for the cleaning agent of paper-making process in the present invention, the weight ratio that is preferably based on acrylic acid polymer and polyethylene glycol oxide fatty amine is 1: 50-50: 1, more preferably 1: 10-10: 1, most preferably be 2: 1-1: 4. When the relative quantity based on acrylic acid polymer was lower than above-mentioned scope, namely when based on the weight ratio of acrylic acid polymer and polyethylene glycol oxide fatty amine during less than 1: 50, the adhesion amount of inorganic substances such as calcium carbonate may increase. When the relative quantity of polyethylene glycol oxide fatty amine surpassed above-mentioned scope, namely when the weight ratio based on acrylic acid polymer and polyethylene glycol oxide fatty amine was higher than 50: 1, the effect of Dissolved Organic Matter in Sea Water such as neutral rosin sizing agent may reduce.
In the paper-making process, the part that the cleaning agent that adopts the present invention to be used for paper-making process cleans is not subjected to particular restriction. The example of these parts comprises: the metal wire of metal wire part; The rolling filter drum of paper grade (stock) felt and press section. In these parts, cleaning agent of the present invention is preferred for cleaning the paper grade (stock) felt of crimping section.
The type that is used for the cleaning agent of paper-making process among the present invention is not particularly limited. For example, this cleaning agent can be the reagent of one pack system type, and wherein water-soluble polymer and fatty amine or derivatives thereof mix. This cleaning agent also can be the reagent of bicomponent type, and wherein included water-soluble polymer and fatty amine or derivatives thereof are separated from each other, and two kinds of components can be mixed before use, or is added to the water separately and cleans. Paper grade (stock) cleaning agent of the present invention can be aqueous solution type, and it is by with water-soluble polymer with the fatty amine or derivatives thereof is soluble in water obtains. In case of necessity, the cleaning agent that the present invention is used for paper-making process also can comprise other component, such as phosphoric acid, anionic surfactant and nonionic surface active agent.
With in the inventive method of felt, will add shower water for the cleaning agent of paper-making process, with the shower water clean paper making felt that obtains at clean paper making. Fig. 1 has provided an example that cleans this method of paper grade (stock) felt. Be 12-20wt% with solid constituent concentration, the humidity strip 1 of having left metal wire part couch roll is positioned on the paper grade (stock) felt 2 of crimping section, pushes between two pressure rollers 3. Usually adopt the needle punched felt of being made by polyamide, polyester or wool as paper grade (stock) felt. The water content that has left in the l Water Paper of crimping section is generally about 60wt%. At the dry l Water Paper of drier section. After l Water Paper was removed from paper grade (stock) felt, paper grade (stock) felt process under the pressure roller formed shuttling movement. Clean paper making felt during shuttling movement is placed on new humidity strip on the paper grade (stock) felt that cleaned then.
In the method for the invention, the method that shower water is added on the paper grade (stock) felt is not particularly limited. For example, but appropriate combination uses high pressure pin type to move spray head and low pressure pin type moves spray head. In the embodiment shown in Fig. 1, at first adopt high pressure pin type to move spray head 4 clean paper making felt. High pressure pin type move be arranged on paper grade (stock) felt inboard in the spray head nozzle 2,000-3, the pressure hemostasis shower water of 000kPa, nozzle moves along the width of paper grade (stock) felt simultaneously, thereby makes the incrustation that is attached to the paper grade (stock) felt outside fluff moving. The shower water that passes the paper grade (stock) felt arrival outside from the inboard is inhaled into the suction box 5. Preferably, high pressure pin type moves spray head and has an internal locking mechanism, and it is arranged between paper grade (stock) felt and the nozzle, when the movement of paper grade (stock) felt stops, stopping to inject shower water, thereby has prevented paper grade (stock) felt injury.
Then, under the pressure of 200-500kPa, employing is covered in spray head on the whole width 6, that have fan nozzle and provides shower water on the whole width of paper grade (stock) felt, thereby make the shower water that contains capacity in the paper grade (stock) felt, exogenous impurity and tamper are discharged to the outside, and remove by the mode that is inhaled in the suction box 7. Then, shower water is injected into the outside of paper grade (stock) felt under the pressure of about 800kPa, it is mobile at the width of paper grade (stock) felt to make simultaneously low pressure pin type move spray head 8, thereby removes the exogenous impurity that is attached to the paper grade (stock) felt outside. Final step is to supply with shower water by the spray head that is arranged on paper grade (stock) felt inboard, covers the spray head on the whole width 9 and is arranged on the paper grade (stock) felt outside, covers whole width 10. Shower water is inhaled in suction box 11 and 12, has finished then the cleaning to paper grade (stock) felt.
With in the method for felt, the cleaning agent that is used for paper-making process is not particularly limited in the concentration of shower water at clean paper making of the present invention. Preferably, the total concentration of water-soluble polymer and fatty amine or derivatives thereof is 0.1-1, the 000mg/ liter, and more preferably the 1-100mg/ liter most preferably is the 5-50mg/ liter. When the total concentration of water-soluble polymer and fatty amine or derivatives thereof is lower than 0.1mg/ and rises, may make clean paper making not enough complete with the effect of felt. When the total concentration of water-soluble polymer and fatty amine or derivatives thereof rises greater than 1,000mg/, may form at the paper that makes the trace of felt.
In the method for the invention, the present invention is not particularly limited for the Ph value of the cleaning agent of paper-making process. For example, the pH value can be 6.0-8.0.
Adopt the present invention to be used for the cleaning agent of paper-making process, or according to the present invention clean paper making with the method for felt, the synergy of water-soluble polymer and fatty amine or derivatives thereof can show when their use in conjunction, can prevent from generating in paper-making process organic sediment and inorganic sediments.
The specific embodiment
Hereinafter with reference to the present invention the present invention is launched to describe.Yet the present invention is not limited to these embodiment.
Embodiment 1
The precipitated calcium carbonate of suspension 200mg in 1 premium on currency, [AOKI YUSHIKOGYO Co.Ltd. makes to add 5.0mg Sodium Polyacrylate [weight average molecular weight: 10,000] and 5.0mg polyethylene glycol oxide stearylamine in the suspension that makes; BLAUNON S215; The oxirane that adds is 15mol].Stir after 15 minutes, make the suspension that obtains under the weight effect of suspension, pass the felt that diameter is the paper grade (stock) of 40mm.Attached to the calcium carbonate on the paper grade (stock) felt, measure the calcium hardness in the solution that obtains with dissolving with hydrochloric acid.Derive the 1mg that weighs less than according to measured value attached to the calcium carbonate on the paper grade (stock) felt.
In 1 premium on currency, add the neutral rosin sizing agent of 100mg [HARIMAKASEI Co., Ltd. make], [AOKI YUSHI KOGYO Co.Ltd. makes to add 10.0mg Sodium Polyacrylate [weight average molecular weight: 10,000] and 10.0mg polyethylene glycol oxide stearylamine then in the fluid that obtains; BLAUNON S215; The oxirane that adds is 15mol].The fluid agitation that obtains is after 17 hours, adopts the formazine solution of standard, measures the whole sphere turbidity (integralspherical turbidity) of fluid according to the method for the K01019.4 of Japanese Industrial Standards, and turbidity is 1 degree.
[the molar weight ratio is 80/20 except the copolymer that adopts sodium acrylate and 2-hydroxyl-3-allyl Oxy-1-propane sulfonic acid sodium, weight average molecular weight: 5,000] replaces outside the Sodium Polyacrylate, all the other obtain the weight of calcium carbonate and the turbidity that adhere to according to the method identical with embodiment 1, the calcium carbonate that adheres to weigh less than 1mg, turbidity is 1 degree.
Embodiment 3
[the molar weight ratio is 50/50 except the copolymer that adopts sodium acrylate and 2-acrylamido-2-methyl propane sulfonic acid sodium, weight average molecular weight: 10,000] replaces outside the Sodium Polyacrylate, all the other obtain the weight of calcium carbonate and the turbidity that adhere to according to the method identical with embodiment 1, the calcium carbonate that adheres to weigh less than 1mg, turbidity is 1 degree.
[the molar content ratio is 10/90 except the copolymer that adopts sodium acrylate and sodium maleate, weight average molecular weight: 2,000] replaces outside the Sodium Polyacrylate, all the other obtain the weight of calcium carbonate and the turbidity that adhere to according to the method identical with embodiment 1, the weight of the calcium carbonate that adheres to is 1mg, and turbidity is 1 degree.
Comparing embodiment 1
The precipitated calcium carbonate of suspension 200mg in 1 premium on currency adds 5.0mg Sodium Polyacrylate [weight average molecular weight: 10,000] in the suspension that obtains.Stir after 15 minutes, make the suspension that obtains under the weight effect of suspension, pass the felt of the paper grade (stock) of diameter 40mm.Attached to the calcium carbonate on the paper grade (stock) felt, measure the calcium hardness in the solution that obtains with dissolving with hydrochloric acid.Derive the 1mg that weighs less than according to measured value attached to the calcium carbonate on the paper grade (stock) felt.
In 1 premium on currency, add the neutral rosin sizing agent of 100mg [HARIMA KASEI Co., Ltd. makes], in the fluid of gained, add 10.0mg Sodium Polyacrylate [weight average molecular weight: 10,000] then.The fluid agitation that obtains is after 17 hours, adopts the formazine solution of standard, measures the whole sphere turbidity of fluid according to the method for the K01019.4 of Japanese Industrial Standards, and turbidity is 55 degree.
Comparing embodiment 2
Except adopting 5.0mg citric acid [WAKO JUN-YAKU KOGYO Co., Ltd. makes] to replace outside the Sodium Polyacrylate, all the other obtain the weight of calcium carbonate of adhering to according to the method identical with comparing embodiment 1, and the weight of the calcium carbonate that adheres to is 20mg.
Comparing embodiment 3
Except adopting 5.0mg malic acid [WAKO JUN-YAKU KOGYO Co., Ltd. makes] to replace outside the Sodium Polyacrylate, all the other obtain the weight of calcium carbonate of adhering to according to the method identical with comparing embodiment 1, and the weight of the calcium carbonate that adheres to is 20mg.
Comparing embodiment 4
Except adopting 5.0mg gluconic acid [WAKO JUN-YAKU KOGYO Co., Ltd. makes] to replace outside the Sodium Polyacrylate, all the other obtain the weight of calcium carbonate of adhering to according to the method identical with comparing embodiment 1, and the weight of the calcium carbonate that adheres to is 20mg.
Comparing embodiment 5
Add the neutral rosin sizing agent of 100mg [HARIMAKASEI Co., Ltd. makes] in 1 premium on currency, [AOKI YUSHI KOGYOCo.Ltd. makes to add 10.0mg polyethylene glycol oxide stearylamine then in the fluid of gained; BLAUNON S215; The oxirane that adds is 15mol].With the gained fluid agitation after 17 hours, adopt the formazine solution of standard, measure the whole sphere turbidity of fluid according to the method for the K01019.4 of Japanese Industrial Standards, turbidity is 3 degree.
Comparing embodiment 6
Except adopting polyethylene glycol oxide-polypropylene oxide-polyethylene oxide block copolymer [BASFJAPAN Co., Ltd. manufacturing; PLURONIC PE] replace outside the polyethylene glycol oxide stearylamine, all the other obtain turbidity according to the method identical with comparing embodiment 5.Turbidity is 49 degree.
Comparing embodiment 7
Except adopting polypropylene oxide-polyethylene glycol oxide-polyoxypropylene block copolymers [BASF JAPANCo., Ltd. manufacturing; PLURONIC RPE] replace outside the polyethylene glycol oxide stearylamine, all the other obtain turbidity according to the method identical with comparing embodiment 5.Turbidity is 54 degree.
Comparing embodiment 8
Except adopting polyethylene glycol oxide (5mol)-oleyl ether to replace the polyethylene glycol oxide stearylamine, all the other obtain turbidity according to the method identical with comparing embodiment 5.Turbidity is 35 degree.
Comparing embodiment 9
Except adopting polyethylene glycol oxide (7mol)-polypropylene oxide (3mol) bay ether to replace the polyethylene glycol oxide stearylamine, all the other obtain turbidity according to the method identical with comparing embodiment 5.Turbidity is 56 degree.
Comparing embodiment 10
The precipitated calcium carbonate of suspension 200mg in 1 premium on currency.Stir after 15 minutes, make the suspension that obtains under the weight effect of suspension, pass the felt that diameter is the paper grade (stock) of 40mm.Attached to the calcium carbonate on the paper grade (stock) felt, measure the calcium hardness in the solution that obtains with dissolving with hydrochloric acid.The weight of deriving attached to the calcium carbonate on the paper grade (stock) felt according to measured value is 20mg.
In 1 premium on currency, add the neutral rosin sizing agent of 100mg [HARIMA KASEI Co., Ltd. makes].The fluid agitation of gained is after 17 hours, adopts the formazine solution of standard, measures the whole sphere turbidity of fluid according to the method for the K01019.4 of Japanese Industrial Standards, and turbidity is 57 degree.
The results are shown in Table 1 for embodiment 1-4 and comparing embodiment 1-10.
Table 1
| Reagent | The adhesion amount of CaCO3 (mg) | Turbidity (degree) | |
| Embodiment 1 | Sodium Polyacrylate polyethylene glycol oxide stearylamine is poly-, (acrylic acid/HAPS) sodium polyethylene glycol oxide stearylamine is poly-, (acrylic acid/AMPS) sodium polyethylene glycol oxide stearylamine is poly-, (acrylic acid/maleic acid) sodium polyethylene glycol oxide stearylamine Sodium Polyacrylate citrate malate acid gluconic acid polyethylene glycol oxide stearylamine polyethylene glycol oxide-PPOX-polyethylene oxide block copolymer PPOX-Pluronic F-127 polyethylene glycol oxide oleyl ether polyethylene glycol oxide-PPOX bay ether does not have | ＜1 ＜1 ＜1 ＜1 ＜1 20 20 20 - - - - - 20 | 1 1 1 1 55 - - - 3 49 54 35 56 57 |
Annotate: HAPS:2-hydroxyl-3-allyl oxygen-1-propane sulfonic acid
AMPS:2-acrylamido-2-methyl propane sulfonic acid
As shown in table 1, in embodiment 1, unite and adopted Sodium Polyacrylate and polyethylene glycol oxide stearylamine; In embodiment 2, unite and adopted poly-(acrylic acid/HAPS) sodium and polyethylene glycol oxide stearylamine; Embodiment 1 and 2 has been owing to dissolved neutral rosin sizing agent, and makes very for a short time attached to the weight of the calcium carbonate on the paper grade (stock) felt, and reduced turbidity.In embodiment 3, unite and adopted poly-(acrylic acid/AMPS) sodium and polyethylene glycol oxide stearylamine; In embodiment 4, unite and adopted poly-(acrylic acid/maleic acid) sodium and polyethylene glycol oxide stearylamine; In embodiment 3 and 4, little attached to the weight of the calcium carbonate on the paper grade (stock) felt, turbidity reduces.
In comparing embodiment 1, adopted Sodium Polyacrylate separately, turbidity wherein is almost suitable with the comparing embodiment 10 of not adding any reagent, although very little attached to the weight of calcium carbonate on the paper grade (stock) felt, as not find to dissolve neutral rosin sizing agent effect.In comparing embodiment 2-4, added the compound that is considered to have chelation, i.e. citric acid, malic acid or gluconic acid, but the adhesion amount of calcium carbonate is little unlike the comparing embodiment 10 of not adding any reagent.
In comparing embodiment 5, add the polyethylene glycol oxide stearylamine separately; In embodiment 1 and 2,, unite use with the polyethylene glycol oxide stearylamine with the copolymer of sodium acrylate or sodium acrylate and 2-hydroxyl-3-allyl oxygen-1-propane sulfonic acid sodium; Because the turbidity of embodiment 5 greater than the turbidity of embodiment 1 and 2, therefore shows the dissolving that can promote neutral rosin sizing agent based on the synergy of polymerizing acrylic acid thing and polyethylene glycol oxide stearylamine.In comparing embodiment 6, added traditional cleaning agent in 7 and 9, it is polyethylene glycol oxide-polypropylene oxide-polyethylene oxide block copolymer, polypropylene oxide-polyethylene glycol oxide-polyoxypropylene block copolymers or polyethylene glycol oxide-polypropylene oxide bay ether, but the reduction degree of turbidity is very little, finds no the effect that promotes neutral rosin sizing agent dissolving.In comparing embodiment 8, added polyethylene glycol oxide oleyl ether, but turbidity reduction degree is very limited.
Claims (5)
1. a cleaning agent that is used for paper-making process comprises water-soluble polymer and fatty amine or derivatives thereof.
2. the cleaning agent that is used for paper-making process according to claim 1, wherein, described water-soluble polymer is an anionic polymer.
3. the cleaning agent that is used for paper-making process according to claim 1 and 2, wherein, the derivative of described fatty amine is a polyoxygenated alkene fatty amine.
4. the method for a clean paper making usefulness felt comprises adding claim 1 or the 2 described cleaning agents that are used for paper-making process in shower water.
5. the method for a clean paper making usefulness felt comprises adding the described cleaning agent that is used for paper-making process of claim 3 in shower water.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2004197674A JP2006016737A (en) | 2004-07-05 | 2004-07-05 | Cleanser for paper making process and method for cleansing papermaking felt |
| JP2004197674 | 2004-07-05 |
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| Publication Number | Publication Date |
|---|---|
| CN1721622A true CN1721622A (en) | 2006-01-18 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN 200510082017 Pending CN1721622A (en) | 2004-07-05 | 2005-07-04 | Cleaning agent for paper production and method of cleaning felt for paper production |
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| JP (1) | JP2006016737A (en) |
| CN (1) | CN1721622A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN102628238A (en) * | 2012-04-25 | 2012-08-08 | 湖南骏泰浆纸有限责任公司 | Combined chemical cleaning method for pulp beating or papermaking system |
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| JP2008001998A (en) * | 2006-06-20 | 2008-01-10 | Ichikawa Co Ltd | Detergent for papermaking felt and cleaning method |
| JP5015539B2 (en) * | 2006-09-28 | 2012-08-29 | 株式会社メンテック | Paper machine contamination prevention methods |
| CN102851144A (en) * | 2012-09-20 | 2013-01-02 | 长沙艾森设备维护技术有限公司 | Cleaning agent for papermaking felt |
| CN104631187B (en) * | 2015-01-08 | 2016-08-17 | 江苏理文造纸有限公司 | A kind of papermaking cadre keeps a public place clean technique |
| JP6572767B2 (en) * | 2015-12-28 | 2019-09-11 | 王子ホールディングス株式会社 | Cleaning method and cleaning system for paper making tools |
| WO2018100759A1 (en) * | 2016-11-30 | 2018-06-07 | 株式会社メンテック | Antifouling composition |
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2004
- 2004-07-05 JP JP2004197674A patent/JP2006016737A/en active Pending
-
2005
- 2005-07-04 CN CN 200510082017 patent/CN1721622A/en active Pending
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN102628238A (en) * | 2012-04-25 | 2012-08-08 | 湖南骏泰浆纸有限责任公司 | Combined chemical cleaning method for pulp beating or papermaking system |
| CN109371736A (en) * | 2018-12-14 | 2019-02-22 | 玖龙纸业（东莞）有限公司 | A kind of preparation process of white-top kraft liner board |
| CN109371736B (en) * | 2018-12-14 | 2020-12-08 | 玖龙纸业（东莞）有限公司 | Preparation process of white craft paper |
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|---|---|
| JP2006016737A (en) | 2006-01-19 |
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