CN105178099B - A kind of manufacture method of quick catalysis dye paper - Google Patents
A kind of manufacture method of quick catalysis dye paper Download PDFInfo
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Abstract
The invention discloses a kind of manufacture method of quick catalysis dye paper.This method comprises the following steps：(1) stirring of slurry：Bamboo pulp after mashing is passed directly into stock tank, stirred, the temperature for controlling slurry in stock tank is 20 DEG C 50 DEG C；(2) oxidation of slurry：Oxidant is dissolved, the aqueous solution, stirring reaction is configured；(3) acidifying of slurry：Hydrochloric acid, nitric acid or citric acid solution are added, the pH value of slurry is controlled, stirring makes solution and slurry fully react；(4) reduction of slurry：Add reducing agent aqueous solution, stirring reaction；Slurry reaches glassy yellow, adds basic flavine O toning, with slurry, copy paper, drying, cutting, packaging.The present invention passes through a kind of redox-catalyst system, bamboo pulp is enabled to be transformed into golden yellow in five minutes, the consumption of dyestuff in yellow paper production process can be greatly lowered, while improving adhesive rate of the dyestuff on fiber, makes the color of paper more bright-coloured, bright.
Description
Technical field
The present invention relates to a kind of manufacture method of quick catalysis dye paper, more particularly to a kind of system of low-cost and high-quality
Method is made, the manufacture method of the quick catalysis dye paper can be applicable to colored dye paper field, such as wedding celebration colored ribbon paper, and fireworks are colorful
Paper, the field such as common Huang paper.
Background technology
Dye paper is quickly grown in recent years at home, and domestic demand amount is also than larger, but the production cost of product is too high,
Product colour is not bright-coloured enough, and the combination of dyestuff and fiber is not abundant enough, causes the waste of a large amount of dyestuffs, hinders dye paper industry
Sound development.The production of current dye paper in order to which the bright color required for reaching is mainly by increasing the method for dyestuff, but
It is due to the presence of lignin, product colour can be made to shade, while it is understood that the color production theory of dyestuff is subtractive process principle, dyestuff
Plus more, the not brighter effect of color, while dyestuff adds can also increase production cost too much.
The method that also some enterprises reduce immersion by long-time can also obtain effect, but soak effect for a long time
Still less substantially, while also not meeting the requirement of enterprise's continuous production.
Existing dye paper color is universal partially dull, and production cost is high, and dye dosage is big and using insufficient, causes serious
Water pollution, the new technology meets industrial technical requirements, and technique is simple, with low cost, also not this both at home and abroad at present
The report of manufacture method.
The content of the invention
The main purpose of patent of the present invention is the consumption of dyestuff in reduction dye paper production process, improves the bright of product
There is provided a kind of low production cost and the simple new quick catalysis dye paper preparation method of operating procedure for degree.
The partially dull reason existed mainly due to brown lignin of paper pulp color, the present invention uses new redox system
To handle the lignin in fiber, by way of oxidation so that and the lignin that fiber is combined together is partly dissolved, together
When make it that lignin structure is loose, these chromophoric groups of carbonyl and phenolic hydroxyl group in lignin are spilt, when dissolving reaction proceeds to certain journey
Acid is added when spending to be acidified, oxidation reaction is stopped by acid, and the remaining lignin for being swelled out causes wood by reduction reaction
Carbonyl in element and phenolic hydroxyl group chromophoric group reacts so that lignin shows gold-tinted.Oxidation reaction eliminates substantial amounts of black dull
Color lignin causes fiber more to become clear.Adding reducing agent causes the aromatic compounds in those undissolved lignins to change colour
Dyestuff has been saved in reaction, the mainly destructurized restructuring of chromophoric group carbonyl and phenolic hydroxyl group, so that the inclined yellow of lignin
Consumption, simultaneously because the addition of reducing agent causes in stock tank negative electrical charge to strengthen so that positively charged dyestuff is for example alkaline tender
Yellow O is easier and fiber is combined, and improves the utilization rate of dyestuff.Simultaneously because the effect of oxidation causes lignin to be swelled, structure pine
Dissipate, while most of lignin is eliminated, so just enabling reducing agent and lignin to be easier to react, so that whole anti-
Answer process rapidly and efficiently, be a kind of catalysis dyeing system of convenience and high-efficiency.
The purpose of the present invention is achieved through the following technical solutions：
A kind of manufacture method of quick catalysis dye paper, comprises the following steps and process conditions：
(1) stirring of slurry：Bamboo pulp after mashing is passed directly into stock tank, stirred, slurry in control stock tank
Temperature is 20 DEG C -50 DEG C；
(2) oxidation of slurry：Oxidant is dissolved, configuration quality fraction is the 2%-40% aqueous solution, described oxidation
Agent is percarbamide, sodium hypochlorite, calcium hypochlorite or thiourea dioxide；Oxidizing agent solution is added in slurry, oven dry stock per ton
Middle addition aqueous oxidizing agent solution 5-10 liters, stirring reaction；
(3) acidifying of slurry：Hydrochloric acid, nitric acid or citric acid solution are added, the pH value for controlling slurry is 3-6；Stirring makes molten
Liquid and slurry fully react；
(4) reduction of slurry：The reducing agent aqueous solution that mass fraction is 20%-60% is added, the reducing agent is even two
Added in zinc sulfite, rongalite, even FAS, three sodium sulfites or sodium peroxide, absolute dried paper pulp per ton
Reducing agent aqueous solution 10-20 liters, stirring reaction；Slurry reaches glassy yellow, adds basic flavine O toning, with slurry, copy paper, dry
Dry, cutting, packaging.
Further to realize the object of the invention, it is preferable that the step 1) mixing speed be 30-50 per minute turn.
Preferably, the mass concentration of the hydrochloric acid, nitric acid or citric acid solution is 70%-90%.
Preferably, the amount of the addition of the basic flavine O is that oven dry stock per ton adds 3-5 kilograms.
Preferably, the with slurry, copy paper, drying, cutting and packaging refer to that 5%-7% secondary stocks are added in bamboo pulp to be carried out
Stirring mixing is with slurry, and mixed slurry removes larger wood chip by deslagging process, and pulp spraying then is sent into cylinder paper machine
On, a thin layer of page is formed on the net, this layer of page enters dry section in the presence of conveyer belt, using steam to page
Be dried, dry paper in winding according to the requirement of client, required for being cut into by the position of mobile cutting knife
Size, finally loads packing box by the product after rewinding, obtains golden yellow bright, brightly painted yellow dye paper.
Preferably, the time of step (2) described stirring reaction is 1-10 minutes.
Preferably, step (3) time fully reacted is 2-10 minutes.
Preferably, the time of step (4) described stirring reaction is 1-10 minutes.
The quick catalysis staining technique that the present invention is researched and developed makes chromophoric group in lignin react by being partly dissolved lignin
It is shown gold-tinted, paper pulp fast reaction can be made into bright yellow, even in not plus in the case of dyestuff, can also be shown
Go out glassy yellow.Cost is reduced for enterprise, product quality is improved, product competitiveness in the market is added, is a kind of efficiently quick
The catalysis staining technique of low cost.Product successfully passes through industry test, and product is welcomed by customers very much.
The present invention compared with prior art, has the following advantages that：
1. a kind of manufacture method of quick catalysis dye paper of the present invention, simple with technique, without increasing any equipment,
Without being modified to production technology, several chemicals only need to be added in stock tank.Product colour is golden yellow bright, reaction speed
It hurry up.
2. product colour of the present invention is golden yellow bright, reaction speed is fast, improves production efficiency, can increase substantially product
Class, will not cause product black obfuscation, produce black fleck the problem of, color is various, can both meet Taiwan and good fortune
The bright green light Huang that people likes is built, the bright red Huang that Cantonese is liked can be also produced；
3. the inventive method is compared to traditional yellow paper technique of production dyeing, without making process reform, production cost is low every
Ton paper can reduce 50-60 members, improve dye utilization rate so that paper per ton added amount of dye and become by 13kg for 3Kg, production in the past
The performance of product is given client and checked, client represents to feel quite pleased, and very well, quality has exceeded the other yellow dyeing of in the market to current sales volume
Paper.
Embodiment
In order to more deeply understand the present invention, with reference to embodiment, the present invention is further illustrated, it is necessary to illustrate
, the scope of protection of present invention be not limited to embodiment statement scope.
In example below, tensile strength is tested using GB/T 12914-2008 national standards；In material unit area
Grammes per square metre is tested according to NF Q01-003-1975.
Embodiment 1
A kind of manufacture method of quick catalysis dye paper, comprises the following steps and process conditions：
(1) stirring of slurry：Bamboo pulp after mashing is passed directly into stock tank, rotated with 30 turns per minute of speed
Stirring so that 25 DEG C are kept in stock tank, adds chemicals for next step and provides required reaction temperature, be slowly stirred after addition
1 minute, solution and slurry is set fully to react；
(2) oxidation of slurry：Oxidant is dissolved, configuration quality fraction is 3% aqueous solution, and oxidant was phosphinylidyne
5 liters of the aqueous oxidizing agent solution is added in amine, bamboo pulp (oven dry stock) per ton, is slowly stirred after addition 1 minute, fills solution and slurry
Divide reaction.
(3) acidifying of slurry：Need to make fiber carry out reduction reaction, the reduction used again after slurry and oxidant reaction
Sex pill requirement, using preferable, adds the hydrochloric acid that 5 mass per liter concentration are 70% in acid condition.It is slowly stirred after addition 2 minutes,
Solution and slurry is set fully to react.
(4) reduction of slurry：Start to dissolve reducing agent when ph values are 4 in stock tank, configuration quality fraction is 20%
The aqueous solution, reducing agent is zinc dithionite, in terms of oven dry stock quality, and 10 liters of the reducing agent aqueous solution is added in bamboo pulp per ton,
It is slowly stirred after addition 1 minute, solution and slurry is fully reacted, now slurry can just reaches glassy yellow, add alkalescence
Light yellow O tonings, the amount of addition adds 3 kilograms for oven dry stock per ton, and subsequently with slurry, copy paper, drying, cutting and packaging are kept not
Become.I.e. will in bamboo pulp add 5%-7% secondary stocks be stirred mixing it is with slurry, it is mixed slurry by deslagging process remove it is larger
Wood chip, then pulp spraying is sent on cylinder paper machine, a thin layer of page is formed on the net, this layer of page is in conveyer belt
In the presence of enter dry section, page is dried using steam, the paper being subsequently dried winding when according to client will
Ask, required size is cut into by the position of mobile cutting knife, the product after rewinding is finally loaded into specific packing box
Just can, finally give golden yellow bright, brightly painted yellow dye paper.
Bamboo pulp fiber is made up of cellulose, hemicellulose, lignin, and lignin is black, and the lignin of black causes fiber
Color is partially dark, not vivid enough, and present invention employs a kind of new redox-catalyst system so that the lignin of black is changed into
Golden yellow, can so make color it is golden yellow it is bright-coloured can also reduce the consumption of dyestuff, general principle is so that bamboo pulp can be in short-term
Interior slight bleaching, first in the presence of oxidant, the black lignin part in bamboo pulp is dissolved so that loosely organized,
The reducing agent added under acid condition is so that metachromasia occurs for the reactive group that bamboo pulp fiber part is spilt so that bamboo pulp is in itself
A kind of bright yellow can be showed, add a small amount of alkaline bright yellow 0 reach green light yellow required for client or
The color spectrum of feux rouges yellow, color is golden yellow bright-coloured bright, and dyeing is highly uniform, and color is dim not fresh enough before solving
Bright, irregular colour is even and the problem of having black dot, Product Visual effect more preferably, totle drilling cost compared to former technique (including with
Slurry, copy paper, drying, cutting, technology of the package) paper per ton can save 50-60 member；The present embodiment quick catalysis dye paper preparation method
Damage is not resulted in fiber using redox system, 1 is shown in Table by the tensile strength measurement to paper, is found at identical gram
Under again, the intensity of paper is more or less the same, and more preferably, cost is lower for color effects.Original product in table 1 refers to technique life before company
The yellow paper of the supertition of production, is also in the market color general yellow paper relatively, and new product refers to urge using the redox of the present embodiment
The yellow paper of supertition of change system production, the two is all yellow paper, but new yellow paper color is more golden yellow bright-coloured, and price is lower.
Table 1
Embodiment 2
A kind of manufacture method of quick catalysis dye paper, it is characterised in that comprise the following steps and process conditions：
(1) stirring of slurry：Bamboo pulp after mashing is passed directly into stock tank, rotated with 30 turns per minute of speed
Stirring so that 35 DEG C are kept in stock tank；Chemicals is added for next step required reaction temperature is provided, be slowly stirred after addition
2 minutes, solution and slurry is set fully to react；
(2) oxidation of slurry：Oxidant is dissolved, configuration quality fraction is 4% aqueous solution, described oxidant is two
Aminoiminomethanesulfonic acid；6 liters of aqueous oxidizing agent solution is added in oven dry stock per ton, is slowly stirred after addition 5 minutes, makes solution and slurry abundant
Reaction；
(3) acidifying of slurry：The citric acid solution that 10 liters of concentration are 80% is added, control ph is 5；Slowly stirred after addition
Mixing makes solution and slurry fully react 5 minutes；
(4) reduction of slurry：Start to dissolve reducing agent when ph values are 5 in stock tank, configuration quality fraction is 25%
The aqueous solution, reducing agent is rongalite, and 10 liters of reducing agent aqueous solution is added in absolute dried paper pulp per ton, is slowly stirred after addition
Mix 3 minutes, solution and slurry is fully reacted；Slurry reaches glassy yellow, adds basic flavine O toning, the amount of addition is every
Ton oven dry stock adds 3 kilograms, and follow-up technique, including with slurry, copy paper, drying, cutting and dress keep constant.It will add in bamboo pulp
Enter 5%-7% secondary stocks and be stirred that mixing is with slurry, mixed slurry removes larger wood chip by deslagging process, then will slurry
Spray feed is expected to cylinder paper machine, a thin layer of page is formed on the net, and this layer of page enters dry in the presence of conveyer belt
Dry area, page is dried using steam, and the paper being subsequently dried, according to the requirement of client, passes through mobile cutting knife in winding
Position cut into required size, finally by the product after rewinding load specific packing box just can, finally give gold
Huang is bright, brightly painted yellow dye paper.
Embodiment 3
A kind of manufacture method of quick catalysis dye paper, it is characterised in that comprise the following steps and process conditions：
(1) stirring of slurry：Bamboo pulp after mashing is passed directly into stock tank, rotated with 40 turns per minute of speed
Stirring so that 30 DEG C are kept in stock tank；Chemicals is added for next step required reaction temperature is provided, be slowly stirred after addition
5 minutes, solution and slurry is set fully to react；
(2) oxidation of slurry：Oxidant is dissolved, configuration quality fraction is 5% aqueous solution, described oxidant was
Phosphoamide；8 liters of aqueous oxidizing agent solution is added in oven dry stock per ton, is slowly stirred after addition 5 minutes, makes solution and slurry fully anti-
Should；
(3) acidifying of slurry：The hydrochloric acid solution that 7 liters of concentration are 80% is added, control ph is 3；It is slowly stirred after addition
Solution and slurry is set fully to react 2 minutes；
(4) reduction of slurry：Start to dissolve reducing agent when ph values are 3 in stock tank, configuration quality fraction is 50%
The aqueous solution, reducing agent is zinc dithionite, and 10 liters of reducing agent aqueous solution is added in absolute dried paper pulp per ton, is slowly stirred after addition
4 minutes, solution and slurry is set fully to react；Slurry reaches glassy yellow, adds basic flavine O toning, the amount of addition is per ton
4 kilograms of oven dry stock addition, follow-up technique, including with slurry, copy paper, drying, cutting, packaging keep constant.It will add in bamboo pulp
Enter 5%-7% secondary stocks and be stirred that mixing is with slurry, mixed slurry removes larger wood chip by deslagging process, then will slurry
Spray feed is expected to cylinder paper machine, a thin layer of page is formed on the net, and this layer of page enters dry in the presence of conveyer belt
Dry area, page is dried using steam, and the paper being subsequently dried, according to the requirement of client, passes through mobile cutting knife in winding
Position cut into required size, finally by the product after rewinding load specific packing box just can, finally give gold
Huang is bright, brightly painted yellow dye paper.
Embodiment 4
A kind of manufacture method of quick catalysis dye paper, it is characterised in that comprise the following steps and process conditions：
(1) stirring of slurry：Bamboo pulp after mashing is passed directly into stock tank, rotated with 50 turns per minute of speed
Stirring so that 25 DEG C are kept in stock tank；Chemicals is added for next step required reaction temperature is provided, be slowly stirred after addition
5 minutes, solution and slurry is set fully to react；
(2) oxidation of slurry：Oxidant is dissolved, configuration quality fraction is 10% aqueous solution, described oxidant is
Sodium hypochlorite；7 liters of aqueous oxidizing agent solution is added in oven dry stock per ton, is slowly stirred after addition 7 minutes, makes solution and slurry abundant
Reaction；
(3) acidifying of slurry：The salpeter solution that 6 liters of concentration are 70% is added, control ph is 3；It is slowly stirred after addition
Solution and slurry is set fully to react 5 minutes；
(4) reduction of slurry：Start to dissolve reducing agent when ph values are 3 in stock tank, configuration quality fraction is 30%
The aqueous solution, reducing agent is 15 liters of reducing agent aqueous solution of addition in even FAS, absolute dried paper pulp per ton, is slowly stirred after addition
4 minutes, solution and slurry is set fully to react；Slurry reaches glassy yellow, adds basic flavine O toning, the amount of addition is per ton
5 kilograms of oven dry stock addition, follow-up technique, including with slurry, copy paper, drying, cutting, packaging keep constant.It will add in bamboo pulp
Enter 5%-7% secondary stocks and be stirred that mixing is with slurry, mixed slurry removes larger wood chip by deslagging process, then will slurry
Spray feed is expected to cylinder paper machine, a thin layer of page is formed on the net, and this layer of page enters dry in the presence of conveyer belt
Dry area, page is dried using steam, and the paper being subsequently dried, according to the requirement of client, passes through mobile cutting knife in winding
Position cut into required size, finally by the product after rewinding load specific packing box just can, finally give gold
Huang is bright, brightly painted yellow dye paper.
Embodiment 5
A kind of manufacture method of quick catalysis dye paper, it is characterised in that comprise the following steps and process conditions：
(1) stirring of slurry：Bamboo pulp after mashing is passed directly into stock tank, rotated with 30 turns per minute of speed
Stirring so that 20 DEG C are kept in stock tank；Chemicals is added for next step required reaction temperature is provided, be slowly stirred after addition
10 minutes, solution and slurry is set fully to react；
(2) oxidation of slurry：Oxidant is dissolved, configuration quality fraction is 2%% aqueous solution, described oxidant is
Percarbamide；5 liters of aqueous oxidizing agent solution is added in oven dry stock per ton, is slowly stirred after addition 1 minute, makes solution and slurry abundant
Reaction；
(3) acidifying of slurry：The hydrochloric acid solution that 5 liters of concentration are 70%% is added, control ph is 3；Slowly stirred after addition
Mixing makes solution and slurry fully react 2 minutes；
(4) reduction of slurry：Start to dissolve reducing agent when ph values are 3 in stock tank, configuration quality fraction is 20%
The aqueous solution, reducing agent is zinc dithionite, and 10 liters of reducing agent aqueous solution is added in absolute dried paper pulp per ton, is slowly stirred after addition
1 minute, solution and slurry is set fully to react；Slurry reaches glassy yellow, adds basic flavine O toning, the amount of addition is per ton
3 kilograms of oven dry stock addition, follow-up technique, including with slurry, copy paper, drying, cutting, packaging keep constant.It will add in bamboo pulp
Enter 5%-7% secondary stocks and be stirred that mixing is with slurry, mixed slurry removes larger wood chip by deslagging process, then will slurry
Spray feed is expected to cylinder paper machine, a thin layer of page is formed on the net, and this layer of page enters dry in the presence of conveyer belt
Dry area, page is dried using steam, and the paper being subsequently dried, according to the requirement of client, passes through mobile cutting knife in winding
Position cut into required size, finally by the product after rewinding load specific packing box just can, finally give gold
Huang is bright, brightly painted yellow dye paper.
Embodiment 6
A kind of manufacture method of quick catalysis dye paper, it is characterised in that comprise the following steps and process conditions：
(1) stirring of slurry：Bamboo pulp after mashing is passed directly into stock tank, rotated with 50 turns per minute of speed
Stirring so that 50 DEG C are kept in stock tank；Chemicals is added for next step required reaction temperature is provided, be slowly stirred after addition
10 minutes, solution and slurry is set fully to react；
(2) oxidation of slurry：Oxidant is dissolved, configuration quality fraction is 40% aqueous solution, described oxidant is
Thiourea dioxide；10 liters of aqueous oxidizing agent solution is added in oven dry stock per ton, is slowly stirred after addition 10 minutes, makes solution and slurry
Fully reaction；
(3) acidifying of slurry：The citric acid solution that 10 liters of concentration are 70% is added, control ph is 6；Slowly stirred after addition
Mixing makes solution and slurry fully react 10 minutes；
(4) reduction of slurry：Start to dissolve reducing agent when ph values are 6 in stock tank, configuration quality fraction is 60%
The aqueous solution, reducing agent is 15 liters of reducing agent aqueous solution of addition in even three sodium sulfites, absolute dried paper pulp per ton, is slowly stirred after addition
6 minutes, solution and slurry is set fully to react；Slurry reaches glassy yellow, adds basic flavine O toning, the amount of addition is per ton
3 kilograms of oven dry stock addition, follow-up technique, including with slurry, copy paper, drying, cutting, packaging keep constant.It will add in bamboo pulp
Enter 5%-7% secondary stocks and be stirred that mixing is with slurry, mixed slurry removes larger wood chip by deslagging process, then will slurry
Spray feed is expected to cylinder paper machine, a thin layer of page is formed on the net, and this layer of page enters dry in the presence of conveyer belt
Dry area, page is dried using steam, and the paper being subsequently dried, according to the requirement of client, passes through mobile cutting knife in winding
Position cut into required size, finally by the product after rewinding load specific packing box just can, finally give gold
Huang is bright, brightly painted yellow dye paper.
Embodiment 7
A kind of manufacture method of quick catalysis dye paper, it is characterised in that comprise the following steps and process conditions：
(1) stirring of slurry：Bamboo pulp after mashing is passed directly into stock tank, rotated with 45 turns per minute of speed
Stirring so that 45 DEG C are kept in stock tank；Chemicals is added for next step required reaction temperature is provided, be slowly stirred after addition
5 minutes, solution and slurry is set fully to react；
(2) oxidation of slurry：Oxidant is dissolved, configuration quality fraction is 10% aqueous solution, described oxidant is
Calcium hypochlorite；8 liters of aqueous oxidizing agent solution is added in oven dry stock per ton, is slowly stirred after addition 7 minutes, makes solution and slurry abundant
Reaction；
(3) acidifying of slurry：The hydrochloric acid solution that 8 liters of concentration are 80% is added, control ph is 5；It is slowly stirred after addition
Solution and slurry is set fully to react 5 minutes；
(4) reduction of slurry：Start to dissolve reducing agent when ph values are 5 in stock tank, configuration quality fraction is 45%
The aqueous solution, reducing agent is zinc dithionite, and 15 liters of reducing agent aqueous solution is added in absolute dried paper pulp per ton, is slowly stirred after addition
5 minutes, solution and slurry is set fully to react；Slurry reaches glassy yellow, adds basic flavine O toning, the amount of addition is per ton
4 kilograms of oven dry stock addition, follow-up technique, including with slurry, copy paper, drying, cutting, packaging keep constant.It will add in bamboo pulp
Enter 5%-7% secondary stocks and be stirred that mixing is with slurry, mixed slurry removes larger wood chip by deslagging process, then will slurry
Spray feed is expected to cylinder paper machine, a thin layer of page is formed on the net, and this layer of page enters dry in the presence of conveyer belt
Dry area, page is dried using steam, and the paper being subsequently dried, according to the requirement of client, passes through mobile cutting knife in winding
Position cut into required size, finally by the product after rewinding load specific packing box just can, finally give gold
Huang is bright, brightly painted yellow dye paper.
Embodiment 8
A kind of manufacture method of quick catalysis dye paper, it is characterised in that comprise the following steps and process conditions：
(1) stirring of slurry：Bamboo pulp after mashing is passed directly into stock tank, rotated with 30 turns per minute of speed
Stirring so that 30 DEG C are kept in stock tank；Chemicals is added for next step required reaction temperature is provided, be slowly stirred after addition
4 minutes, solution and slurry is set fully to react；
(2) oxidation of slurry：Oxidant is dissolved, configuration quality fraction is 10% aqueous solution, described oxidant is
Percarbamide；5 liters of aqueous oxidizing agent solution is added in oven dry stock per ton, is slowly stirred after addition 4 minutes, makes solution and slurry abundant
Reaction；
(3) acidifying of slurry：The citric acid solution that 7 liters of concentration are 80% is added, control ph is 4；Slowly stirred after addition
Mixing makes solution and slurry fully react 4 minutes；
(4) reduction of slurry：Start to dissolve reducing agent when ph values are 4 in stock tank, configuration quality fraction is 30%
The aqueous solution, reducing agent is rongalite, and 10 liters of reducing agent aqueous solution is added in absolute dried paper pulp per ton, is slowly stirred after addition
Mix 1 minute, solution and slurry is fully reacted；Slurry reaches glassy yellow, adds basic flavine O toning, the amount of addition is every
3 kilograms of ton oven dry stock addition, follow-up technique, including with slurry, copy paper, drying, cutting, packaging keep constant.I.e. by bamboo pulp
Add 5%-7% secondary stocks and be stirred that mixing is with slurry, mixed slurry removes larger wood chip by deslagging process, then will
Pulp spraying is sent on cylinder paper machine, and a thin layer of page is formed on the net, and this layer of page enters in the presence of conveyer belt
Dry section, page is dried using steam, and the paper being subsequently dried, according to the requirement of client, is cut in winding by movement
The position of knife cuts into required size, finally by the product after rewinding load specific packing box just can, finally give
It is golden yellow bright, brightly painted yellow dye paper.
Embodiment 9
A kind of manufacture method of quick catalysis dye paper, it is characterised in that comprise the following steps and process conditions：
(1) stirring of slurry：Bamboo pulp after mashing is passed directly into stock tank, rotated with 40 turns per minute of speed
Stirring so that 30 DEG C are kept in stock tank；Chemicals is added for next step required reaction temperature is provided, be slowly stirred after addition
1 minute, solution and slurry is set fully to react；
(2) oxidation of slurry：Oxidant is dissolved, configuration quality fraction is 10% aqueous solution, described oxidant is
Calcium hypochlorite；7 liters of aqueous oxidizing agent solution is added in oven dry stock per ton, is slowly stirred after addition 7 minutes, makes solution and slurry abundant
Reaction；
(3) acidifying of slurry：The hydrochloric acid solution that 7 liters of concentration are 70%% is added, control ph is 6；Slowly stirred after addition
Mixing makes solution and slurry fully react 7 minutes；
(4) reduction of slurry：Start to dissolve reducing agent when ph values are 6 in stock tank, configuration quality fraction is 17%
The aqueous solution, reducing agent is zinc dithionite, and 15 liters of reducing agent aqueous solution is added in absolute dried paper pulp per ton, is slowly stirred after addition
1 minute, solution and slurry is set fully to react；Slurry reaches glassy yellow, adds basic flavine O toning, the amount of addition is per ton
3 kilograms of oven dry stock addition, follow-up technique, including with slurry, copy paper, drying, cutting, packaging keep constant.It will add in bamboo pulp
Enter 5%-7% secondary stocks and be stirred that mixing is with slurry, mixed slurry removes larger wood chip by deslagging process, then will slurry
Spray feed is expected to cylinder paper machine, a thin layer of page is formed on the net, and this layer of page enters dry in the presence of conveyer belt
Dry area, page is dried using steam, and the paper being subsequently dried, according to the requirement of client, passes through mobile cutting knife in winding
Position cut into required size, finally by the product after rewinding load specific packing box just can, finally give gold
Huang is bright, brightly painted yellow dye paper.
Embodiment 10
A kind of manufacture method of quick catalysis dye paper, it is characterised in that comprise the following steps and process conditions：
(1) stirring of slurry：Bamboo pulp after mashing is passed directly into stock tank, rotated with 30 turns per minute of speed
Stirring so that 20 DEG C are kept in stock tank；Chemicals is added for next step required reaction temperature is provided, be slowly stirred after addition
1 minute, solution and slurry is set fully to react；
(2) oxidation of slurry：Oxidant is dissolved, configuration quality fraction is 2% aqueous solution, described oxidant was
Phosphoamide；5 liters of aqueous oxidizing agent solution is added in oven dry stock per ton, is slowly stirred after addition 10 minutes, makes solution and slurry abundant
Reaction；
(3) acidifying of slurry：It is 70% citric acid solution to add 5 liters of concentration, and control ph is 5；It is slowly stirred after addition
Solution and slurry is set fully to react 10 minutes；
(4) reduction of slurry：Start to dissolve reducing agent when ph values 5 in stock tank, configuration quality fraction is 20% water
Solution, reducing agent is zinc dithionite, and 10 liters of reducing agent aqueous solution is added in absolute dried paper pulp per ton, 1 is slowly stirred after addition
Minute, solution and slurry is fully reacted；Slurry reaches glassy yellow, adds basic flavine O toning, the amount of addition is per ton exhausted
5 kilograms of dry pulp addition, follow-up technique, including with slurry, copy paper, drying, cutting, packaging keep constant.It will be added in bamboo pulp
5%-7% secondary stocks, which are stirred, mixes with slurry, and mixed slurry removes larger wood chip by deslagging process, then by slurry
Spray feed enters drying to a thin layer of page, this layer of page on cylinder paper machine, is formed on the net in the presence of conveyer belt
Area, page is dried using steam, and the paper being subsequently dried, according to the requirement of client, passes through mobile cutting knife in winding
Position cuts into required size, finally by the product after rewinding load specific packing box just can, finally give golden yellow
It is bright, brightly painted yellow dye paper.
Claims (8)
1. a kind of manufacture method of quick catalysis dye paper, it is characterised in that comprise the following steps and process conditions：
(1) stirring of slurry：Bamboo pulp after mashing is passed directly into stock tank, stirred, the temperature of slurry in control stock tank
For 20 DEG C -50 DEG C；
(2) oxidation of slurry：Oxidant is dissolved, configuration quality fraction is the 2%-40% aqueous solution, described oxidant is
Percarbamide, sodium hypochlorite, calcium hypochlorite or thiourea dioxide；Oxidizing agent solution is added in slurry, added in oven dry stock per ton
Enter aqueous oxidizing agent solution 5-10 liters, stirring reaction；
(3) acidifying of slurry：Hydrochloric acid, nitric acid or citric acid solution are added, the pH value for controlling slurry is 3-6；Stirring make solution and
Slurry fully reacts；
(4) reduction of slurry：The reducing agent aqueous solution that mass fraction is 20%-60% is added, the reducing agent is even two sulfurous
Reduction is added in sour zinc, rongalite, even FAS, three sodium sulfites or sodium peroxide, absolute dried paper pulp per ton
Agent aqueous solution 10-20 liters, stirring reaction；Slurry reaches glassy yellow, adds basic flavine O toning, with slurry, copy paper, drying, cuts
Cut, pack.
2. a kind of manufacture method of quick catalysis dye paper according to claim 1, it is characterised in that the step 1)
Mixing speed turns for 30-50 per minute.
3. the manufacture method of a kind of quick catalysis dye paper according to claim 1, it is characterised in that the hydrochloric acid, nitre
The mass concentration of acid or citric acid solution is 70%-90%.
4. a kind of manufacture method of quick catalysis dye paper according to claim 1, it is characterised in that the alkaline bright yellow
The amount of O addition is that oven dry stock per ton adds 3-5 kilograms.
5. a kind of manufacture method of quick catalysis dye paper according to claim 1, it is characterised in that it is described it is with slurry, copy
Paper, drying, cutting and packaging refer to that addition 5%-7% secondary stocks are stirred in bamboo pulp and mix with slurry, and mixed slurry is passed through
Cross deslagging process and remove larger wood chip, then pulp spraying is sent on cylinder paper machine, a thin layer of paper is formed on the net
Page, this layer of page enters dry section in the presence of conveyer belt, and page is dried using steam, and dry paper is in winding
When according to the requirement of client, required size is cut into by the position of mobile cutting knife, finally the product after rewinding is filled
Enter packing box, obtain golden yellow bright, brightly painted yellow dye paper.
6. the manufacture method of a kind of quick catalysis dye paper according to claim 1, it is characterised in that step (2) is described
The time of stirring reaction is 1-10 minutes.
7. the manufacture method of a kind of quick catalysis dye paper according to claim 1, it is characterised in that step (3) is described
The time fully reacted is 2-10 minutes.
8. the manufacture method of a kind of quick catalysis dye paper according to claim 1, it is characterised in that step (4) is described
The time of stirring reaction is 1-10 minutes.
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| CN106283883B (en) * | 2016-08-12 | 2019-01-01 | 上海洗霸科技股份有限公司 | A kind of hybrid solid dyestuff and its application |
| CN108568876A (en) * | 2017-03-14 | 2018-09-25 | 南京新莱尔材料科技有限公司 | A kind of method of Quick wood pre-bleaching processing |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1556279A (en) * | 2004-01-05 | 2004-12-22 | 刘 真 | Preparation method of coloured vision strengthening paper |
| CN1260433C (en) * | 2004-06-15 | 2006-06-21 | 高立明 | Producing method for bright yellow anti-myopia health-care paper |
| CN101109159A (en) * | 2006-07-21 | 2008-01-23 | 纳尔科公司 | Compositions and processes for paper production |
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| US8945347B2 (en) * | 2004-05-03 | 2015-02-03 | Centre Technique De L'industrie Des Papiers, Cartons Et Celluloses | Method for mechanical pulp production |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1556279A (en) * | 2004-01-05 | 2004-12-22 | 刘 真 | Preparation method of coloured vision strengthening paper |
| CN1260433C (en) * | 2004-06-15 | 2006-06-21 | 高立明 | Producing method for bright yellow anti-myopia health-care paper |
| CN101109159A (en) * | 2006-07-21 | 2008-01-23 | 纳尔科公司 | Compositions and processes for paper production |
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