CN107675547A - Bleached pulp preparation technology is used in a kind of high-strength corrugated paper production - Google Patents
Bleached pulp preparation technology is used in a kind of high-strength corrugated paper production Download PDFInfo
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- CN107675547A CN107675547A CN201710944933.XA CN201710944933A CN107675547A CN 107675547 A CN107675547 A CN 107675547A CN 201710944933 A CN201710944933 A CN 201710944933A CN 107675547 A CN107675547 A CN 107675547A
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- corrugated paper
- bleached pulp
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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
- D21H11/12—Pulp from non-woody plants or crops, e.g. cotton, flax, straw, bagasse
-
- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21C—PRODUCTION OF CELLULOSE BY REMOVING NON-CELLULOSE SUBSTANCES FROM CELLULOSE-CONTAINING MATERIALS; REGENERATION OF PULPING LIQUORS; APPARATUS THEREFOR
- D21C5/00—Other processes for obtaining cellulose, e.g. cooking cotton linters ; Processes characterised by the choice of cellulose-containing starting materials
-
- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21D—TREATMENT OF THE MATERIALS BEFORE PASSING TO THE PAPER-MAKING MACHINE
- D21D1/00—Methods of beating or refining; Beaters of the Hollander type
- D21D1/20—Methods of refining
-
- 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
-
- 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
- D21H17/36—Polyalkenyalcohols; Polyalkenylethers; Polyalkenylesters
-
- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
- D21H21/00—Non-fibrous material added to the pulp, characterised by its function, form or properties; Paper-impregnating or coating material, characterised by its function, form or properties
- D21H21/14—Non-fibrous material added to the pulp, characterised by its function, form or properties; Paper-impregnating or coating material, characterised by its function, form or properties characterised by function or properties in or on the paper
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Abstract
The invention discloses a kind of high-strength corrugated paper production bleached pulp preparation technology, belong to pulp technology for making paper, be by made of the steps such as secondary pretreatment, washing, defibrination, bleaching, press filtration.Sugarcane bleached pulp unscreened yield prepared by the present invention is significantly above unscreened yield made from prior art；The physical resources that this technology utilization bagasse etc. is abundant, goes out of use, can reduce pollution, increase economic efficiency.
Description
【Technical field】
The invention belongs to pulp technology for making paper, and in particular to bleached pulp preparation technology is used in a kind of high-strength corrugated paper production.
【Background technology】
The production method of paper pulp mainly includes the production streams such as chemical method, semichemical method, Mechanical Method and chemical mechanical pulping at present
Journey.Wherein chemical pulping is occupied an leading position among current numerous pulping process.Claim by paper pulp made from chemical method boiling
For sugarcane bleached pulp, sugarcane bleached pulp limits its application because whiteness is relatively low, and sugarcane bleached pulp typically will be after bleaching
The paper kind of higher level could be produced.
With the continuous expansion of paper industry, constantly opening up for pulp applications is wide, originally the wood as main paper making raw material
Gradually supply falls short of demand for material, causes forest excessively to be cut down, and influences ecological environment, therefore, it is necessary to seek new raw material substituent.
With the development of pulp and paper industry, application potential of the biotechnology in pulp and paper industry is also recognized by people
Know, the cycle of operation length and non-refractory handled using biotechnology, be primarily used to bleaching and wastewater treatment working section, but it is fresh
Seeing has applied to cooking section.
Patent document " preparing unbleached pulp from cotton stalk and the method (Authorization Notice No. for producing high-strength corrugated paper：CN103215837B)”
Disclose the method for preparing natural color pulp, high-strength corrugated paper..For this method compared with traditional chemical pulping, ton paper water consumption is big
It is big to reduce, but there is natural color pulp unscreened yield, high-strength corrugated paper breaking length and ring crush index is relatively low the problem of.
【The content of the invention】
Bleached pulp preparation technology is used in a kind of high-strength corrugated paper production provided by the invention, how to solve in patent document
" preparing unbleached pulp from cotton stalk and the method (Authorization Notice No. for producing high-strength corrugated paper：CN103215837B it is) " disclosed to prepare true qualities
Slurry, high-strength corrugated paper method on, the problem of improving natural color pulp unscreened yield, high-strength corrugated paper breaking length and ring crush index.
To solve above technical problem, the present invention uses following technical matters：
Bleached pulp preparation technology is used in a kind of high-strength corrugated paper production, comprises the following steps：
S1：Bagasse is crushed, gained crushed material is delivered in coagulation liquid, the coagulation liquid include with
Lower raw material：Stearmide, AEO, neopelex, butanedioic acid alkyl ester sulfonate sodium, cellulase,
Water, it is 80-120W in ultrasonic power, temperature is to carry out immersion 20-30min at 40-50 DEG C, is then filtered, and obtains leaching material a；
S2：Leaching material a made from step S1 is delivered in two stage treatment liquid, the two stage treatment liquid is using parts by weight to be single
Position, including following raw material：1-aminocyclopropane-1-carboxylic acid 12-20 parts, fatty glyceride 5-8 parts, percarbamide 9-24 parts, magnesia
0.4-0.6 parts, potassium hydroxide 6-10 parts, water 80-250 parts, carry out boiling, then filter under heating, obtain leaching material b；
S3：Leaching material b made from step S2 is washed with 60-80 DEG C of hot water, is subsequently placed into defibrination in fiberizer, drift
In vain, press filtration is carried out through Double-screen filter press, sugarcane bleached pulp is made.
Further, it is 1 that bagasse powder described in step S1, which minces with the weight ratio of coagulation liquid,:1.2-4.
Further, coagulation liquid described in step S1 is in units of parts by weight, including following raw material：Stearmide 8-
12 parts, AEO 5-9 parts, neopelex 1.5-2.5 parts, butanedioic acid alkyl ester sulfonate sodium 2.4-
4.5 part, cellulase 0.1-0.2 parts, water 70-160 parts.
Further, the coagulation liquid is in units of parts by weight, including following raw material：10 parts of stearmide, fat
8 parts of alcohol APEO, 2 parts of neopelex, 3.5 parts of butanedioic acid alkyl ester sulfonate sodium, 0.1 part of cellulase, water 120
Part.
Further, the weight ratio of leaching material a described in step S2 and two stage treatment liquid is 1:4.5-12.6.
Further, two stage treatment liquid described in step S2 is in units of parts by weight, including following raw material：Amino-cyclopropane
16 parts of carboxylic acid, 7 parts of fatty glyceride, 16 parts of percarbamide, 0.5 part of magnesia, 8 parts of potassium hydroxide, 170 parts of water.
Further, the temperature heated described in step S2 is 135-162 DEG C.
Further, the temperature heated described in step S2 is 162 DEG C.
Further, the time of boiling described in step S2 is 1.4-2h.
Further, the time of boiling described in step S2 is 1.4h.
The invention has the advantages that：
(1) from comparative example 1-6, stearmide, AEO, dodecyl are not added with coagulation liquid
Benzene sulfonic acid sodium salt, butanedioic acid alkyl ester sulfonate sodium, cellulase can reduce unscreened yield, breaking length and ring crush index, and this is due to
Stearmide is dispersant, serves good peptizaiton；AEO is wetting agent, is served wet well
Profit acts on；Neopelex plays bagasse powder and minced surface-active action；Butanedioic acid alkyl ester sulfonate sodium is infiltration
Agent, play osmosis；Cellulase is that biology urges solution agent, plays good biology and urges solution to act on；Embodiment 3 and comparative example simultaneously
1-6 unscreened yield, breaking length and ring crush index understand stearmide, AEO, neopelex,
The addition of butanedioic acid alkyl ester sulfonate sodium, cellulase serves synergy, improves unscreened yield, breaking length and ring pressure and refers to
Number.
(2) from comparative example 7-12,1-aminocyclopropane-1-carboxylic acid, fatty glyceride is not added with two stage treatment liquid, crosses carbon
Acid amides, magnesia, potassium hydroxide can reduce unscreened yield, breaking length and ring crush index, and this is due to 1-aminocyclopropane-1-carboxylic acid
It is chelating agent, the effect of chelating agent, can effectively suppresses metal ion to catalysis caused by hydrogen peroxide and hypochlorous acid class bleaching agent
Decompose, improve bleaching efficiency, save bleaching liquor, reduce bleaching cost；There are extremely strong capturing ability and dispersion effect to Fe ions, keep away
Exempt from Fe ions and form dark colour compound with the phenol radical reaction in paper pulp, protect fiber, improve pulp brightness, reduce paper pulp
Brightness reversion；It can effectively prevent the metal ions such as calcium, magnesium that chemical reaction occurs in pulp bleaching process and form sediment, so as to prevent
System equipment, pipeline scale, and can progressively remove the original fouling of rinse-system.Fatty glyceride plays bagasse powder and minced
Surface-active action.Percarbamide can slowly release hydrogen peroxide, the hydrogen peroxide and lignin reaction discharged, be advantageous to carry
High unscreened yield, breaking length and ring crush index.Magnesia plays a part of catalysis.Potassium hydroxide plays alkalinization.While by
Example 3 and comparative example 7-12 unscreened yield, breaking length and ring crush index understand 1-aminocyclopropane-1-carboxylic acid, fatty glyceride,
The addition of percarbamide, magnesia, potassium hydroxide serves synergy, improves unscreened yield, breaking length and ring pressure and refers to
Number.
(3) prepare sweet from embodiment 1-3 and unscreened yield, breaking length and the ring crush index of comparative example 13, the present invention
Unscreened yield, breaking length and ring crush index are significantly above prior art system made from the technique of sugarcane bleached pulp and high-strength corrugated paper
Unscreened yield, breaking length and the ring crush index obtained.
(4) this technique meets national resources saving, the industrial policy of recycling economy, utilization bagasse etc. it is abundant,
The physical resources to go out of use, pollution can be reduced, is increased economic efficiency.
【Embodiment】
For ease of more fully understanding the present invention, it is illustrated by following examples, these embodiments belong to the present invention's
Protection domain, but do not limit the scope of the invention.
In embodiment, the high-strength corrugated paper produced using bleaching process, comprise the following steps：
S1：Bagasse is crushed, gained crushed material is delivered in coagulation liquid, and the bagasse powder minces and one
The weight ratio of level treatment fluid is 1:1.2-4, the coagulation liquid is in units of parts by weight, including following raw material：Stearoyl
Amine 8-12 parts, AEO 5-9 parts, neopelex 1.5-2.5 parts, butanedioic acid alkyl ester sulfonate sodium
2.4-4.5 parts, cellulase 0.1-0.2 parts, water 70-160 parts, it is 80-120W in ultrasonic power, temperature is to enter at 40-50 DEG C
Row immersion 20-30min, is then filtered, and obtains leaching material a；
S2：Leaching material a made from step S1 is delivered in two stage treatment liquid, the leaching material a and two stage treatment liquid weight
The ratio between be 1:4.5-12.6, the two stage treatment liquid is in units of parts by weight, including following raw material：1-aminocyclopropane-1-carboxylic acid 12-
20 parts, fatty glyceride 5-8 parts, percarbamide 9-24 parts, magnesia 0.4-0.6 parts, potassium hydroxide 6-10 parts, water 80-250
Part, boiling 1.4-2h is carried out at being 135-162 DEG C in temperature, is then filtered, obtains leaching material b；
S3：Leaching material b made from step S2 is washed with 60-80 DEG C of hot water, is subsequently placed into defibrination in fiberizer, drift
In vain, press filtration is carried out through Double-screen filter press, sugarcane bleached pulp is made；
S4：Sugarcane bleached pulp made from step S3 is first subjected to high consistency refining, is then beaten again, the slurry after mashing
The shaping of upper copy paper car, is made high-strength corrugated paper, wherein, during high consistency refining：Slurry concentration is 23-32wt%, is handled to beating degree
For 18-25 ° of SR；During mashing：Slurry concentration is 2-4wt%, and it is 26-34 ° of SR to handle to beating degree.
Embodiment 1
A kind of high-strength corrugated paper produced using bleaching process, phase preparation method, is comprised the following steps：
S1：Bagasse is crushed, gained crushed material is delivered in coagulation liquid, and the bagasse powder minces and one
The weight ratio of level treatment fluid is 1:1.3, the coagulation liquid is in units of parts by weight, including following raw material：Stearmide 8
Part, 5 parts of AEO, 1.5 parts of neopelex, butanedioic acid alkyl ester sulfonate sodium 2.4- parts, cellulase
0.1 part, 70 parts of water, it is 80W in ultrasonic power, temperature is to carry out immersion 30min at 40 DEG C, is then filtered, and obtains leaching material a；
S2：Leaching material a made from step S1 is delivered in two stage treatment liquid, the leaching material a and two stage treatment liquid weight
The ratio between be 1:4.5, the two stage treatment liquid is in units of parts by weight, including following raw material：12 parts of 1-aminocyclopropane-1-carboxylic acid, fat
5 parts of acid glyceride, 9 parts of percarbamide, 0.4 part of magnesia, 6 parts of potassium hydroxide, 80 parts of water, steamed at being 135 DEG C in temperature
2h is boiled, is then filtered, obtains leaching material b；
S3：Leaching material b made from step S2 is washed with 60 DEG C of hot water, is subsequently placed into defibrination in fiberizer, bleaching,
Press filtration is carried out through Double-screen filter press, sugarcane bleached pulp is made；
S4：Sugarcane bleached pulp made from step S3 is first subjected to high consistency refining, is then beaten again, the slurry after mashing
The shaping of upper copy paper car, is made high-strength corrugated paper, wherein, during high consistency refining：Slurry concentration is 23wt%, handles to beating degree and is
18°SR；During mashing：Slurry concentration is 3wt%, and it is 27 ° of SR to handle to beating degree.
Embodiment 2
A kind of high-strength corrugated paper produced using bleaching process, phase preparation method, is comprised the following steps：
S1：Bagasse is crushed, gained crushed material is delivered in coagulation liquid, and the bagasse powder minces and one
The weight ratio of level treatment fluid is 1:4, the coagulation liquid is in units of parts by weight, including following raw material：Stearmide 12
Part, 9 parts of AEO, 2.5 parts of neopelex, 4.5 parts of butanedioic acid alkyl ester sulfonate sodium, cellulase
0.2 part, 160 parts of water, it is 120W in ultrasonic power, temperature is to carry out immersion 20min at 50 DEG C, then filters, obtains leaching material
a；
S2：Leaching material a made from step S1 is delivered in two stage treatment liquid, the leaching material a and two stage treatment liquid weight
The ratio between be 1:12.6, the two stage treatment liquid is in units of parts by weight, including following raw material：20 parts of 1-aminocyclopropane-1-carboxylic acid, fat
8 parts of fatty acid glyceride, 24 parts of percarbamide, 0.6 part of magnesia, 10 parts of potassium hydroxide, 250 parts of water, enter at being 162 DEG C in temperature
Row boiling 1.4h, is then filtered, and obtains leaching material b；
S3：Leaching material b made from step S2 is washed with 80 DEG C of hot water, is subsequently placed into defibrination in fiberizer, bleaching,
Press filtration is carried out through Double-screen filter press, sugarcane bleached pulp is made；
S4：Sugarcane bleached pulp made from step S3 is first subjected to high consistency refining, is then beaten again, the slurry after mashing
The shaping of upper copy paper car, is made high-strength corrugated paper, wherein, during high consistency refining：Slurry concentration is 32wt%, handles to beating degree and is
25°SR；During mashing：Slurry concentration is 4wt%, and it is 34 ° of SR to handle to beating degree.
Embodiment 3
A kind of high-strength corrugated paper produced using bleaching process, phase preparation method, is comprised the following steps：
S1：Bagasse is crushed, gained crushed material is delivered in coagulation liquid, and the bagasse powder minces and one
The weight ratio of level treatment fluid is 1:3, the coagulation liquid is in units of parts by weight, including following raw material：Stearmide 10
Part, 8 parts of AEO, 2 parts of neopelex, 3.5 parts of butanedioic acid alkyl ester sulfonate sodium, cellulase 0.1
Part, 120 parts of water, it is 100W in ultrasonic power, temperature is to carry out immersion 25min at 45 DEG C, is then filtered, and obtains leaching material a；
S2：Leaching material a made from step S1 is delivered in two stage treatment liquid, the leaching material a and two stage treatment liquid weight
The ratio between be 1:8, the two stage treatment liquid is in units of parts by weight, including following raw material：16 parts of 1-aminocyclopropane-1-carboxylic acid, aliphatic acid
7 parts of glyceride, 16 parts of percarbamide, 0.5 part of magnesia, 8 parts of potassium hydroxide, 170 parts of water, steamed at being 152 DEG C in temperature
1.8h is boiled, is then filtered, obtains leaching material b；
S3：Leaching material b made from step S2 is washed with 75 DEG C of hot water, is subsequently placed into defibrination in fiberizer, bleaching,
Press filtration is carried out through Double-screen filter press, sugarcane bleached pulp is made；
S4：Sugarcane bleached pulp made from step S3 is first subjected to high consistency refining, is then beaten again, the slurry after mashing
The shaping of upper copy paper car, is made high-strength corrugated paper, wherein, during high consistency refining：Slurry concentration is 30wt%, handles to beating degree and is
22°SR；During mashing：Slurry concentration 3wt%, it is 30 ° of SR to handle to beating degree.
Comparative example 1
After bagasse is crushed, soaked without coagulation liquid, but be fed directly to the immersion of two stage treatment liquid,
Other preparation technologies are identical with the preparation technology of embodiment 3.
Comparative example 2
The coagulation liquid is in units of parts by weight, including following raw material：8 parts of AEO, dodecane
2 parts of base benzene sulfonic acid sodium salt, 3.5 parts of butanedioic acid alkyl ester sulfonate sodium, 0.1 part of cellulase, 120 parts of water, other preparation technologies and contrast
The preparation technology of example 3 is identical.
Comparative example 3
The coagulation liquid is in units of parts by weight, including following raw material：10 parts of stearmide, DBSA
2 parts of sodium, 3.5 parts of butanedioic acid alkyl ester sulfonate sodium, 0.1 part of cellulase, 120 parts of water, the preparation of other preparation technologies and comparative example 3
Technique is identical.
Comparative example 4
The coagulation liquid is in units of parts by weight, including following raw material：10 parts of stearmide, aliphatic alcohol polyethenoxy
8 parts of ether, 3.5 parts of butanedioic acid alkyl ester sulfonate sodium, 0.1 part of cellulase, 120 parts of water, the preparation of other preparation technologies and comparative example 3
Technique is identical.
Comparative example 5
The coagulation liquid is in units of parts by weight, including following raw material：10 parts of stearmide, aliphatic alcohol polyethenoxy
8 parts of ether, 2 parts of neopelex, 0.1 part of cellulase, 120 parts of water, the preparation technology of other preparation technologies and comparative example 3
It is identical.
Comparative example 6
The coagulation liquid is in units of parts by weight, including following raw material：10 parts of stearmide, aliphatic alcohol polyethenoxy
8 parts of ether, 2 parts of neopelex, 3.5 parts of butanedioic acid alkyl ester sulfonate sodium, 120 parts of water, other preparation technologies and contrast
The preparation technology of example 3 is identical.
Comparative example 7
After bagasse is crushed, only soak by coagulation liquid, soaked without two stage treatment liquid, other preparations
Technique is identical with the preparation technology of embodiment 3.
Comparative example 8
The two stage treatment liquid is in units of parts by weight, including following raw material：7 parts of fatty glyceride, percarbamide 16
Part, 0.5 part of magnesia, 8 parts of potassium hydroxide, 170 parts of water, other preparation technologies are identical with the preparation technology of comparative example 3.
Comparative example 9
The two stage treatment liquid is in units of parts by weight, including following raw material：16 parts of 1-aminocyclopropane-1-carboxylic acid, percarbamide
16 parts, 0.5 part of magnesia, 8 parts of potassium hydroxide, 170 parts of water, other preparation technologies are identical with the preparation technology of comparative example 3.
Comparative example 10
The two stage treatment liquid is in units of parts by weight, including following raw material：16 parts of 1-aminocyclopropane-1-carboxylic acid, aliphatic acid are sweet
7 parts of grease, 0.5 part of magnesia, 8 parts of potassium hydroxide, 170 parts of water, other preparation technologies are identical with the preparation technology of comparative example 3.
Comparative example 11
The two stage treatment liquid is in units of parts by weight, including following raw material：16 parts of 1-aminocyclopropane-1-carboxylic acid, aliphatic acid are sweet
7 parts of grease, 16 parts of percarbamide, 8 parts of potassium hydroxide, 170 parts of water, other preparation technologies are identical with the preparation technology of comparative example 3.
Comparative example 12
The two stage treatment liquid is in units of parts by weight, including following raw material：16 parts of 1-aminocyclopropane-1-carboxylic acid, aliphatic acid are sweet
7 parts of grease, 16 parts of percarbamide, 0.5 part of magnesia, 170 parts of water, other preparation technologies are identical with the preparation technology of comparative example 3.
Comparative example 13
Using patent document " preparing unbleached pulp from cotton stalk and the method (Authorization Notice No. for producing high-strength corrugated paper：
CN103215837B) " embodiment 1-3 method prepares natural color pulp, and prepares high-strength corrugated paper with the sugarcane bleached pulp.
Sugarcane bleached pulp and high-strength corrugated paper are prepared using embodiment 1-3 and comparative example 1-13 preparation technology, examined respectively
Unscreened yield, breaking length and ring crush index are surveyed, it is as a result as shown in the table.
(1) from comparative example 1-6, stearmide, AEO, dodecyl are not added with coagulation liquid
Benzene sulfonic acid sodium salt, butanedioic acid alkyl ester sulfonate sodium, cellulase can reduce unscreened yield, breaking length and ring crush index, and this is due to
Stearmide is dispersant, serves good peptizaiton；AEO is wetting agent, is served wet well
Profit acts on；Neopelex plays bagasse powder and minced surface-active action；Butanedioic acid alkyl ester sulfonate sodium is infiltration
Agent, play osmosis；Cellulase is that biology urges solution agent, plays good biology and urges solution to act on；Embodiment 3 and comparative example simultaneously
1-6 unscreened yield, breaking length and ring crush index understand stearmide, AEO, neopelex,
The addition of butanedioic acid alkyl ester sulfonate sodium, cellulase serves synergy, improves unscreened yield, breaking length and ring pressure and refers to
Number.
(2) from comparative example 7-12,1-aminocyclopropane-1-carboxylic acid, fatty glyceride is not added with two stage treatment liquid, crosses carbon
Acid amides, magnesia, potassium hydroxide can reduce unscreened yield, breaking length and ring crush index, and this is due to 1-aminocyclopropane-1-carboxylic acid
It is chelating agent, the effect of chelating agent, can effectively suppresses metal ion to catalysis caused by hydrogen peroxide and hypochlorous acid class bleaching agent
Decompose, improve bleaching efficiency, save bleaching liquor, reduce bleaching cost；There are extremely strong capturing ability and dispersion effect to Fe ions, keep away
Exempt from Fe ions and form dark colour compound with the phenol radical reaction in paper pulp, protect fiber, improve pulp brightness, reduce paper pulp
Brightness reversion；It can effectively prevent the metal ions such as calcium, magnesium that chemical reaction occurs in pulp bleaching process and form sediment, so as to prevent
System equipment, pipeline scale, and can progressively remove the original fouling of rinse-system.Fatty glyceride plays bagasse powder and minced
Surface-active action.Percarbamide can slowly release hydrogen peroxide, the hydrogen peroxide and lignin reaction discharged, be advantageous to carry
High unscreened yield, breaking length and ring crush index.Magnesia plays a part of catalysis.Potassium hydroxide plays alkalinization.While by
Example 3 and comparative example 7-12 unscreened yield, breaking length and ring crush index understand 1-aminocyclopropane-1-carboxylic acid, fatty glyceride,
The addition of percarbamide, magnesia, potassium hydroxide serves synergy, improves unscreened yield, breaking length and ring pressure and refers to
Number.
(3) prepare sweet from embodiment 1-3 and unscreened yield, breaking length and the ring crush index of comparative example 13, the present invention
Unscreened yield, breaking length and ring crush index are significantly above prior art system made from the technique of sugarcane bleached pulp and high-strength corrugated paper
Unscreened yield, breaking length and the ring crush index obtained.
Above content is to combine specific preferred embodiment further description made for the present invention, it is impossible to is assert
The specific implementation of the present invention is confined to these explanations, for person of an ordinary skill in the technical field, is not departing from
On the premise of present inventive concept, some simple deduction or replace can also be made, should all be considered as belonging to the present invention by being submitted
Claims determine scope of patent protection.
Claims (10)
1. bleached pulp preparation technology is used in a kind of high-strength corrugated paper production, it is characterised in that comprises the following steps：
S1：Bagasse is crushed, gained crushed material is delivered in coagulation liquid, and the coagulation liquid includes following original
Material：Stearmide, AEO, neopelex, butanedioic acid alkyl ester sulfonate sodium, cellulase, water,
Ultrasonic power is 80-120W, and temperature is to carry out immersion 20-30min at 40-50 DEG C, is then filtered, and obtains leaching material a；
S2：Leaching material a made from step S1 is delivered in two stage treatment liquid, the two stage treatment liquid is in units of parts by weight, bag
Include following raw material：1-aminocyclopropane-1-carboxylic acid 12-20 parts, fatty glyceride 5-8 parts, percarbamide 9-24 parts, magnesia 0.4-
0.6 part, potassium hydroxide 6-10 parts, water 80-250 parts, carry out boiling under heating, then filter, obtain leaching material b；
S3：Leaching material b made from step S2 is washed with 60-80 DEG C of hot water, is subsequently placed into defibrination in fiberizer, bleaching,
Press filtration is carried out through Double-screen filter press, sugarcane bleached pulp is made.
2. bleached pulp preparation technology is used in high-strength corrugated paper production according to claim 1, it is characterised in that：Institute in step S1
It is 1 to state bagasse powder and mince with the weight ratio of coagulation liquid:1.2-4.
3. bleached pulp preparation technology is used in high-strength corrugated paper production according to claim 1, it is characterised in that：Institute in step S1
Coagulation liquid is stated in units of parts by weight, including following raw material：Stearmide 8-12 parts, AEO 5-9 parts,
Neopelex 1.5-2.5 parts, butanedioic acid alkyl ester sulfonate sodium 2.4-4.5 parts, cellulase 0.1-0.2 parts, water 70-
160 parts.
4. bleached pulp preparation technology is used in high-strength corrugated paper production according to claim 3, it is characterised in that：At the one-level
Liquid is managed in units of parts by weight, including following raw material：10 parts of stearmide, 8 parts of AEO, detergent alkylate sulphur
Sour 2 parts of sodium, 3.5 parts of butanedioic acid alkyl ester sulfonate sodium, 0.1 part of cellulase, 120 parts of water.
5. bleached pulp preparation technology is used in high-strength corrugated paper production according to claim 1, it is characterised in that：Institute in step S2
The weight ratio for stating leaching material a and two stage treatment liquid is 1:4.5-12.6.
6. bleached pulp preparation technology is used in high-strength corrugated paper production according to claim 1, it is characterised in that：Institute in step S2
Two stage treatment liquid is stated in units of parts by weight, including following raw material：16 parts of 1-aminocyclopropane-1-carboxylic acid, 7 parts of fatty glyceride, mistake
16 parts of phosphoamide, 0.5 part of magnesia, 8 parts of potassium hydroxide, 170 parts of water.
7. bleached pulp preparation technology is used in high-strength corrugated paper production according to claim 1, it is characterised in that：Institute in step S2
The temperature for stating heating is 135-162 DEG C.
8. bleached pulp preparation technology is used in high-strength corrugated paper production according to claim 7, it is characterised in that：Institute in step S2
The temperature for stating heating is 162 DEG C.
9. bleached pulp preparation technology is used in high-strength corrugated paper production according to claim 2, it is characterised in that：Institute in step S2
The time for stating boiling is 1.4-2h.
10. bleached pulp preparation technology is used in high-strength corrugated paper production according to claim 9, it is characterised in that：In step S2
The time of the boiling is 1.4h.
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| CN101451320A (en) * | 2007-12-05 | 2009-06-10 | 山东泉林纸业有限责任公司 | Grass type low brightness pulp, preparation method and use thereof |
| CN105178091A (en) * | 2015-08-13 | 2015-12-23 | 合肥龙发包装有限公司 | Waterproof corrugated paper pulp and producing method thereof |
| CN107119477A (en) * | 2017-05-19 | 2017-09-01 | 广西金荣纸业有限公司 | A kind of sinocalamus latiflorus true qualities paper pulp and its preparation technology |
| CN107177996A (en) * | 2017-06-14 | 2017-09-19 | 广西金荣纸业有限公司 | A kind of preprocess method of bleached pulp |
| CN107174155A (en) * | 2017-06-14 | 2017-09-19 | 广西金荣纸业有限公司 | Toilet paper prepared by a kind of utilization bleaching process |
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- 2017-09-30 CN CN201710944933.XA patent/CN107675547A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101451320A (en) * | 2007-12-05 | 2009-06-10 | 山东泉林纸业有限责任公司 | Grass type low brightness pulp, preparation method and use thereof |
| CN105178091A (en) * | 2015-08-13 | 2015-12-23 | 合肥龙发包装有限公司 | Waterproof corrugated paper pulp and producing method thereof |
| CN107119477A (en) * | 2017-05-19 | 2017-09-01 | 广西金荣纸业有限公司 | A kind of sinocalamus latiflorus true qualities paper pulp and its preparation technology |
| CN107177996A (en) * | 2017-06-14 | 2017-09-19 | 广西金荣纸业有限公司 | A kind of preprocess method of bleached pulp |
| CN107174155A (en) * | 2017-06-14 | 2017-09-19 | 广西金荣纸业有限公司 | Toilet paper prepared by a kind of utilization bleaching process |
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