CN107338666A - A kind of method that sinocalamus latiflorus prepares bleached pulp - Google Patents
A kind of method that sinocalamus latiflorus prepares bleached pulp Download PDFInfo
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- CN107338666A CN107338666A CN201710448882.1A CN201710448882A CN107338666A CN 107338666 A CN107338666 A CN 107338666A CN 201710448882 A CN201710448882 A CN 201710448882A CN 107338666 A CN107338666 A CN 107338666A
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- 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
- D21C1/00—Pretreatment of the finely-divided materials before digesting
- D21C1/10—Physical methods for facilitating impregnation
-
- 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
- D21C3/00—Pulping cellulose-containing materials
-
- 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
- D21C3/00—Pulping cellulose-containing materials
- D21C3/22—Other features of pulping processes
- D21C3/222—Use of compounds accelerating the pulping processes
-
- 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
- D21C9/00—After-treatment of cellulose pulp, e.g. of wood pulp, or cotton linters ; Treatment of dilute or dewatered pulp or process improvement taking place after obtaining the raw cellulosic material and not provided for elsewhere
- D21C9/02—Washing ; Displacing cooking or pulp-treating liquors contained in the pulp by fluids, e.g. wash water or other pulp-treating agents
-
- 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
- D21C9/00—After-treatment of cellulose pulp, e.g. of wood pulp, or cotton linters ; Treatment of dilute or dewatered pulp or process improvement taking place after obtaining the raw cellulosic material and not provided for elsewhere
- D21C9/10—Bleaching ; Apparatus therefor
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- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21D—TREATMENT OF THE MATERIALS BEFORE PASSING TO THE PAPER-MAKING MACHINE
- D21D5/00—Purification of the pulp suspension by mechanical means; Apparatus therefor
- D21D5/02—Straining or screening the pulp
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- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Wood Science & Technology (AREA)
- Mechanical Engineering (AREA)
- Paper (AREA)
Abstract
The invention discloses a kind of method that sinocalamus latiflorus prepares bleached pulp, belongs to pulp technology for making paper, and the true qualities paper pulp is by made of the steps such as secondary pretreatment, washing, screening, bleaching.Bleached pulp paper pulp yield and whiteness prepared by the present invention is high；The brightness of the toilet paper of subsequent production, tensile index, pliability are higher, and do not have any stimulation or adverse reaction to human body skin.
Description
【Technical field】
The invention belongs to pulp technology for making paper, and in particular to a kind of method that sinocalamus latiflorus prepares bleached pulp.
【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 true qualities paper pulp, true qualities paper pulp limits its application because whiteness is relatively low, and true qualities paper pulp will could typically give birth to after bleaching
Produce the paper kind of higher level.
Paper for daily use, particularly toilet paper are a kind of conventional daily consumption articles, still, in psychologically to whiteness
Need and the demand to some physical indexs, pulp manufacture of the generally use based on bleached wood pulp.Even if starched using herb
Prepare toilet paper, also all use bleached pulp, but gained paper pulp yield and whiteness are still relatively low, the brightness of toilet paper, tensile index,
Pliability is not also high.
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.
Sinocalamus latiflorus (Dendrocalamus latiflorus Munro) is that south China cultivates one of most wide bamboo kind, is standing grain
Undergraduate course (Poaceae) Bambusoideae (Bambusoideae) Dendrocalamus (Dendrocalamus) large-scale sympodial bamboo kind, is distributed mainly on
The provinces and regions such as Fujian, Taiwan, Guangdong and Guangxi Provinces, Yunnan, Hainan, Sichuan, the Guizhou middle and south, for edible, timber-used, Ye Yong, water and soil conservation, greening
The multipurpose bamboo kind such as view and admire, to produce bamboo shoot or do based on pulpwood.Sinocalamus latiflorus growth is fast, the bamboo shoot phase is long, yield is high, bamboo shoot are of fine quality good, sinocalamus latiflorus
Fast growing, it is widely used, once transplant and utilize for many years, be that the excellent calculation material that a kind of economic value is high, profitable on ecology is dual-purpose
Bamboo kind, economic benefit, ecological benefits and social benefit Three benefits are notable.
Therefore be advantageous to avoid result in forest and excessively cut down, influence as substitution wood raw material using artificial growth sinocalamus latiflorus
Ecological environment.
【The content of the invention】
The method that a kind of sinocalamus latiflorus provided by the invention prepares bleached pulp, to solve how to improve sinocalamus latiflorus paper pulp yield and whiteness
The problem of.
To solve above technical problem, the present invention uses following technical matters：
A kind of method that sinocalamus latiflorus prepares bleached pulp, comprises the following steps：
S1：Sinocalamus latiflorus is cut into sinocalamus latiflorus piece and crushed, gained crushed material, which is delivered to, once to be pre-processed in immersion liquid A, described
Immersion liquid A is once pre-processed in units of parts by weight, including following raw material：APES 4-8 parts, triethanolamine 0.3-
0.6 part, stearic acid 0.5-1 parts, oleic acid 0.4-1.2 parts, laurate 0.8-1.5 parts, water 42-90 parts, enter under ul-trasonic irradiation
Row immersion 26-40min, is then filtered, and obtains leaching material A；
S2：Leaching material A made from step S1 is delivered in secondary pretreatment immersion liquid B, the secondary pretreatment immersion liquid B is with weight
Amount part is unit, including following raw material：Percarbamide 10-20 parts, potassium hydroxide 4-6 parts, amino carboxylic acid 0.3-0.5 parts, five oxygen
Change two vanadium 0.1-0.2 parts, water 35-150 parts, carry out boiling at being 142-160 DEG C in temperature, then filter, obtain leaching material B；
S3：Leaching material B made from step S2 is washed with 60-80 DEG C of hot water, then screens, bleach, bleaching is made
Slurry.
Further, the size of sinocalamus latiflorus piece described in step S1 is 20-30 × 2.8-3.7mm × 1.2-2.5mm.
Further, sinocalamus latiflorus crushed material weight described in step S1 is 1 with once pre-processing the ratio between immersion liquid A volumes:1.5-
3.5。
Further, the sinocalamus latiflorus crushed material weight is 1 with once pre-processing the ratio between immersion liquid A volumes:2.5.
Further, immersion liquid A described in step S1 is in units of parts by weight, including following raw material：Alkylphenol-polyethenoxy
6 parts of ether, 0.5 part of triethanolamine, 0.8 part of stearic acid, 0.8 part of oleic acid, 1.2 parts of laurate, 66 parts of water.
Further, ultrasonic power described in step S1 is 30-50W, and temperature is 43-48 DEG C.
Further, leaching material A weight described in step S2 and secondary the ratio between the immersion liquid B volumes that pre-process are 1:5.6-12.3.
Further, the leaching material A weight and secondary the ratio between the immersion liquid B volumes that pre-process are 1:9.2.
Further, the time of boiling described in step S2 is 1.5-2h.
Further, washing to pH value is 6.8-7.2 described in step S3.
The invention has the advantages that：
(1) addition of percarbamide, amino carboxylic acid, vanadic anhydride serves synergy, improves paper pulp yield
And whiteness；
(2) APES, triethanolamine, stearic acid, oleic acid, lauric addition serve synergy,
Improve paper pulp yield and whiteness；
(3) brightness of the toilet paper of the bleached pulp subsequent production prepared using the present invention, tensile index, pliability are higher,
And do not have any stimulation or adverse reaction to human body skin.
【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 preparation method of the toilet paper prepared using bleaching process, comprise the following steps：
S1：Sinocalamus latiflorus is cut into size as 20-30 × 2.8-3.7mm × 1.2-2.5mm sinocalamus latiflorus piece and crushed, gained
Crushed material, which is delivered to, once to be pre-processed in immersion liquid A, and the sinocalamus latiflorus crushed material weight is 1 with once pre-processing the ratio between immersion liquid A volumes:
1.5-3.5, the immersion liquid A that once pre-processes is in units of parts by weight, including following raw material：APES 4-8 parts,
Triethanolamine 0.3-0.6 parts, stearic acid 0.5-1 parts, oleic acid 0.4-1.2 parts, laurate 0.8-1.5 parts, water 42-90 parts, super
Acoustic power is 30-50W, and temperature is to carry out immersion 26-40min at 43-48 DEG C, is then filtered, and obtains leaching material A；
S2：Leaching material A made from step S1 is delivered in secondary pretreatment immersion liquid B, the leaching material A weight and secondary pre- place
It is 1 to manage the ratio between immersion liquid B volumes:5.6-12.3, the secondary pretreatment immersion liquid B is in units of parts by weight, including following raw material：Cross
Phosphoamide 10-20 parts, potassium hydroxide 4-6 parts, amino carboxylic acid 0.3-0.5 parts, vanadic anhydride 0.1-0.2 parts, water 35-150 parts,
Boiling 1.5-2h is carried out at being 142-160 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, then screens, bleach, bleaching is made
Slurry；
S4：Bleached pulp made from step S3 is subjected to defibrination again, screened stock is made；
S5：Screened stock made from step S4 is subjected to decontamination degassing, is then put into head box and is squeezed after screening the pulp, then connect
Drying, press polish, batch, finished product sinocalamus latiflorus body paper；
S6：Finished product sinocalamus latiflorus body paper made from step S5 is subjected to rewinding, cuts, pack, finished product toilet paper.
Embodiment 1
A kind of preparation method of the toilet paper prepared using bleaching process, is comprised the following steps：
S1：Sinocalamus latiflorus is cut into size as 22 × 3.2mm × 1.3mm sinocalamus latiflorus piece and crushed, the conveying of gained crushed material
To once pre-processing in immersion liquid A, the sinocalamus latiflorus crushed material weight is 1 with once pre-processing the ratio between immersion liquid A volumes:1.6, described one
Secondary pretreatment immersion liquid A is in units of parts by weight, including following raw material：It is 4 parts of APES, 0.3 part of triethanolamine, hard
0.5 part of resin acid, 0.4 part of oleic acid, 0.8 part of laurate, 42 parts of water, it is 30W in ultrasonic power, temperature is to be soaked at 43 DEG C
40min, then filter, obtain leaching material A；
S2：Leaching material A made from step S1 is delivered in secondary pretreatment immersion liquid B, the leaching material A weight and secondary pre- place
It is 1 to manage the ratio between immersion liquid B volumes:5.6, the secondary pretreatment immersion liquid B is in units of parts by weight, including following raw material：Cross phosphinylidyne
10 parts of amine, 4 parts of potassium hydroxide, 0.3 part of amino carboxylic acid, 0.1 part of vanadic anhydride, 35 parts of water, steamed at being 142 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 70 DEG C of hot water, then screens, bleach, bleached pulp is made；
S4：Bleached pulp made from step S3 is subjected to defibrination again, screened stock is made；
S5：Screened stock made from step S4 is subjected to decontamination degassing, is then put into head box and is squeezed after screening the pulp, then connect
Drying, press polish, batch, finished product sinocalamus latiflorus body paper；
S6：Finished product sinocalamus latiflorus body paper made from step S5 is subjected to rewinding, cuts, pack, finished product toilet paper.
Embodiment 2
A kind of preparation method of the toilet paper prepared using bleaching process, is comprised the following steps：
S1：Sinocalamus latiflorus is cut into size as 29 × 3.6mm × 2.4mm sinocalamus latiflorus piece and crushed, the conveying of gained crushed material
To once pre-processing in immersion liquid A, the sinocalamus latiflorus crushed material weight is 1 with once pre-processing the ratio between immersion liquid A volumes:3.4, described one
Secondary pretreatment immersion liquid A is in units of parts by weight, including following raw material：It is 8 parts of APES, 0.6 part of triethanolamine, hard
1 part of resin acid, -1.2 parts of oleic acid, 1.5 parts of laurate, 90 parts of water, it is 50W in ultrasonic power, temperature is to be soaked at 48 DEG C
26min, then filter, obtain leaching material A；
S2：Leaching material A made from step S1 is delivered in secondary pretreatment immersion liquid B, the leaching material A weight and secondary pre- place
It is 1 to manage the ratio between immersion liquid B volumes:12.3, the secondary pretreatment immersion liquid B is in units of parts by weight, including following raw material：Cross phosphinylidyne
20 parts of amine, 6 parts of potassium hydroxide, 0.5 part of amino carboxylic acid, 0.2 part of vanadic anhydride, 150 parts of water, carried out at being 160 DEG C in temperature
Boiling 1.5h, is then filtered, and obtains leaching material B；
S3：Leaching material B made from step S2 is washed with 60 DEG C of hot water, then screens, bleach, bleached pulp is made；
S4：Bleached pulp made from step S3 is subjected to defibrination again, screened stock is made；
S5：Screened stock made from step S4 is subjected to decontamination degassing, is then put into head box and is squeezed after screening the pulp, then connect
Drying, press polish, batch, finished product sinocalamus latiflorus body paper；
S6：Finished product sinocalamus latiflorus body paper made from step S5 is subjected to rewinding, cuts, pack, finished product toilet paper.
Embodiment 3
A kind of preparation method of the toilet paper prepared using bleaching process, is comprised the following steps：
S1：Sinocalamus latiflorus is cut into size as 26 × 6.2mm × 1.8mm sinocalamus latiflorus piece and crushed, the conveying of gained crushed material
To once pre-processing in immersion liquid A, the sinocalamus latiflorus crushed material weight is 1 with once pre-processing the ratio between immersion liquid A volumes:2.5, described one
Secondary pretreatment immersion liquid A is in units of parts by weight, including following raw material：It is 6 parts of APES, 0.5 part of triethanolamine, hard
0.7 part of resin acid, 0.8 part of oleic acid, 1.2 parts of laurate, 67 parts of water, it is 40W in ultrasonic power, temperature is to be soaked at 46 DEG C
33min, then filter, obtain leaching material A；
S2：Leaching material A made from step S1 is delivered in secondary pretreatment immersion liquid B, the leaching material A weight and secondary pre- place
It is 1 to manage the ratio between immersion liquid B volumes:9.2, the secondary pretreatment immersion liquid B is in units of parts by weight, including following raw material：Cross phosphinylidyne
16 parts of amine, 5 parts of potassium hydroxide, 0.4 part of amino carboxylic acid, 0.1 part of vanadic anhydride, 92 parts of water, steamed at being 151 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 80 DEG C of hot water, then screens, bleach, bleached pulp is made；
S4：Bleached pulp made from step S3 is subjected to defibrination again, screened stock is made；
S5：Screened stock made from step S4 is subjected to decontamination degassing, is then put into head box and is squeezed after screening the pulp, then connect
Drying, press polish, batch, finished product sinocalamus latiflorus body paper；
S6：Finished product sinocalamus latiflorus body paper made from step S5 is subjected to rewinding, cuts, pack, finished product toilet paper.
Comparative example 1
After sinocalamus latiflorus is cut into the crushing of sinocalamus latiflorus piece, soaked without immersion liquid A is once pre-processed, but be fed directly to secondary pre-
Immersion liquid B immersions are handled, other preparation technologies are identical with the preparation technology of embodiment 3.
Comparative example 2
The secondary pretreatment immersion liquid B is in units of parts by weight, including following raw material：5 parts of potassium hydroxide, amino carboxylic acid
0.4 part, 0.1 part of vanadic anhydride, 92 parts of water, other preparation technologies are identical with the preparation technology of comparative example 1.
Comparative example 3
The secondary pretreatment immersion liquid B is in units of parts by weight, including following raw material：16 parts of percarbamide, potassium hydroxide 5
Part, 0.1 part of vanadic anhydride, 92 parts of water, other preparation technologies are identical with the preparation technology of comparative example 1.
Comparative example 4
The secondary pretreatment immersion liquid B is in units of parts by weight, including following raw material：16 parts of percarbamide, potassium hydroxide 5
Part, 0.4 part of amino carboxylic acid, 92 parts of water, other preparation technologies are identical with the preparation technology of comparative example 1.
Comparative example 5
After sinocalamus latiflorus is cut into the crushing of sinocalamus latiflorus piece, only by once pre-processing immersion liquid A immersions, and soaked without secondary pre-process
Liquid B soaks, and the preparation technology of other preparation technologies and embodiment 3 are essentially identical.
Comparative example 6
The immersion liquid A that once pre-processes is in units of parts by weight, including following raw material：6 parts of APES, three
0.5 part of monoethanolamine, 67 parts of water, other preparation technologies are identical with the preparation technology of comparative example 5.
Comparative example 7
The immersion liquid A that once pre-processes is in units of parts by weight, including following raw material：0.7 part of stearic acid, 0.8 part of oleic acid,
1.2 parts of laurate, 67 parts of water, other preparation technologies are identical with the preparation technology of comparative example 5.
Bleached pulp is prepared using embodiment 1-3 and comparative example 1-7 preparation technology, detects paper pulp yield and whiteness respectively,
As a result it is as shown in the table.
| Experimental project | Paper pulp yield, % | Whiteness, %ISO |
| Embodiment 1 | 63.25 | 57.02 |
| Embodiment 2 | 64.68 | 57.71 |
| Embodiment 3 | 66.42 | 59.66 |
| Comparative example 1 | 58.44 | 53.05 |
| Comparative example 2 | 54.97 | 50.43 |
| Comparative example 3 | 57.42 | 52.26 |
| Comparative example 4 | 56.25 | 51.41 |
| Comparative example 5 | 51.50 | 47.45 |
| Comparative example 6 | 47.22 | 43.54 |
| Comparative example 7 | 48.71 | 44.22 |
Percarbamide, amino carboxylic acid, vanadic anhydride are not added with from comparative example 1-4, in secondary pretreatment immersion liquid B can
Paper pulp yield and whiteness are reduced, this is due to that percarbamide can slowly release hydrogen peroxide, the hydrogen peroxide discharged and wood
Element reaction, be advantageous to improve paper pulp yield and whiteness；Amino carboxylic acid can play chelation；Vanadic anhydride plays the work of catalysis
With；Percarbamide, amino carboxylic acid, vanadic anhydride add knowable to example 3 and comparative example 1-4 paper pulp yield and whiteness simultaneously
Add and serve synergy, improve paper pulp yield and whiteness.
From comparative example 5-7, once pre-process in immersion liquid A and be not added with APES, triethanolamine, tristearin
Acid, oleic acid, laurate can reduce paper pulp yield and whiteness, this be due to APES, triethanolamine for moistening
Agent, serve good humidification；Stearic acid, oleic acid, laurate play sinocalamus latiflorus crushed material surface-active action；Simultaneously by reality
Example 3 and comparative example 5-7 paper pulp yield and whiteness understands APES, triethanolamine, stearic acid, oleic acid, bay
The addition of acid serves synergy, improves paper pulp yield and whiteness.
Finished product toilet paper is prepared using embodiment 1-3 and comparative example the 1-7 bleached pulp being prepared into, respectively detect brightness,
Tensile index, pliability, it is as a result as shown in the table.
| Experimental project | Brightness | Tensile index, Nm/g | Pliability, mN |
| Embodiment 1 | 80.2 | 11.45 | 186.56 |
| Embodiment 2 | 81.1 | 11.91 | 190.35 |
| Embodiment 3 | 83.3 | 12.21 | 192.56 |
| Comparative example 1 | 76.6 | 10.19 | 181.54 |
| Comparative example 2 | 75.1 | 9.51 | 176.78 |
| Comparative example 3 | 76.3 | 9.84 | 179.65 |
| Comparative example 4 | 75.5 | 9.57 | 178.77 |
| Comparative example 5 | 74.3 | 9.37 | 174.32 |
| Comparative example 6 | 69.3 | 9.02 | 170.54 |
| Comparative example 7 | 71.6 | 9.16 | 171.48 |
Percarbamide, amino carboxylic acid, vanadic anhydride are not added with from comparative example 1-4, in secondary pretreatment immersion liquid B can
The brightness of reduction toilet paper, tensile index, pliability, this is due to that percarbamide can slowly release hydrogen peroxide, is discharged
Hydrogen peroxide and lignin reaction；Amino carboxylic acid can play chelation；Vanadic anhydride plays a part of catalysis；Simultaneously by reality
The brightness of example 3 and comparative example 1-4 life paper, tensile index, pliability understand percarbamide, amino carboxylic acid, vanadic anhydride
Addition serves synergy, improves the brightness of toilet paper, tensile index, pliability.
From comparative example 5-7, once pre-process in immersion liquid A and be not added with APES, triethanolamine, tristearin
Acid, oleic acid, laurate can reduce the brightness of toilet paper, tensile index, pliability, this be due to APES,
Triethanolamine is wetting agent, serves good humidification；Stearic acid, oleic acid, laurate play the work of sinocalamus latiflorus crushed material surface
Property effect；Alkylphenol-polyethenoxy is understood by the brightness of example 3 and comparative example 5-7 toilet paper, tensile index, pliability simultaneously
Ether, triethanolamine, stearic acid, oleic acid, lauric addition serve synergy, improve brightness, the anti-tensile of toilet paper
Index, pliability.
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. a kind of method that sinocalamus latiflorus prepares bleached pulp, it is characterised in that：Comprise the following steps：
S1：Sinocalamus latiflorus is cut into sinocalamus latiflorus piece and crushed, gained crushed material, which is delivered to, once to be pre-processed in immersion liquid A, it is described once
Immersion liquid A is pre-processed in units of parts by weight, including following raw material：APES 4-8 parts, triethanolamine 0.3-0.6
Part, stearic acid 0.5-1 parts, oleic acid 0.4-1.2 parts, laurate 0.8-1.5 parts, water 42-90 parts, are soaked under ul-trasonic irradiation
26-40min is steeped, is then filtered, obtains leaching material A；
S2：Leaching material A made from step S1 is delivered in secondary pretreatment immersion liquid B, the secondary pretreatment immersion liquid B is with parts by weight
For unit, including following raw material：Percarbamide 10-20 parts, potassium hydroxide 4-6 parts, amino carboxylic acid 0.3-0.5 parts, five oxidations two
Vanadium 0.1-0.2 parts, water 35-150 parts, boiling is carried out at being 142-160 DEG C in temperature, is then filtered, obtain leaching material B；
S3：Leaching material B made from step S2 is washed with 60-80 DEG C of hot water, then screens, bleach, bleached pulp is made.
2. the method that sinocalamus latiflorus according to claim 1 prepares bleached pulp, it is characterised in that：Sinocalamus latiflorus piece described in step S1
Size is 20-30 × 2.8-3.7mm × 1.2-2.5mm.
3. the method that sinocalamus latiflorus according to claim 1 prepares bleached pulp, it is characterised in that：Sinocalamus latiflorus described in step S1 crushes
Thing weight is 1 with once pre-processing the ratio between immersion liquid A volumes:1.5-3.5.
4. the method that sinocalamus latiflorus according to claim 3 prepares bleached pulp, it is characterised in that：The sinocalamus latiflorus crushed material weight with
It is 1 once to pre-process the ratio between immersion liquid A volumes:2.5.
5. the method that sinocalamus latiflorus according to claim 1 prepares bleached pulp, it is characterised in that：Immersion liquid A described in step S1 with
Parts by weight are unit, including following raw material：6 parts of APES, 0.5 part of triethanolamine, 0.8 part of stearic acid, oleic acid
0.8 part, 1.2 parts of laurate, 66 parts of water.
6. the method that sinocalamus latiflorus according to claim 1 prepares bleached pulp, it is characterised in that：Ultrasonic wave work(described in step S1
Rate is 30-50W, and temperature is 43-48 DEG C.
7. the method that sinocalamus latiflorus according to claim 1 prepares bleached pulp, it is characterised in that：The A weights of leaching material described in step S2
Amount is 1 with secondary the ratio between the immersion liquid B volumes that pre-process:5.6-12.3.
8. the method that sinocalamus latiflorus according to claim 7 prepares bleached pulp, it is characterised in that：It is described leaching material A weight with it is secondary
It is 1 to pre-process the ratio between immersion liquid B volumes:9.2.
9. the method that sinocalamus latiflorus according to claim 1 prepares bleached pulp, it is characterised in that：Boiling described in step S2 when
Between be 1.5-2h.
10. the method that sinocalamus latiflorus according to claim 1 prepares bleached pulp, it is characterised in that：Washed described in step S3 to
PH value is 6.8-7.2.
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101871177A (en) * | 2009-04-27 | 2010-10-27 | 中国制浆造纸研究院 | Method for bleaching natural color pulp |
| CN102352572A (en) * | 2011-09-30 | 2012-02-15 | 重庆理文造纸有限公司 | Preparation method for bamboo wood dissolving pulp |
| CN102978993A (en) * | 2012-11-26 | 2013-03-20 | 四川银鸽竹浆纸业有限公司 | Bamboo fiber dissolving pulp and production technology thereof |
| JP5585323B2 (en) * | 2010-09-07 | 2014-09-10 | 王子ホールディングス株式会社 | Method for bleaching pulp for papermaking |
-
2017
- 2017-06-14 CN CN201710448882.1A patent/CN107338666B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101871177A (en) * | 2009-04-27 | 2010-10-27 | 中国制浆造纸研究院 | Method for bleaching natural color pulp |
| JP5585323B2 (en) * | 2010-09-07 | 2014-09-10 | 王子ホールディングス株式会社 | Method for bleaching pulp for papermaking |
| CN102352572A (en) * | 2011-09-30 | 2012-02-15 | 重庆理文造纸有限公司 | Preparation method for bamboo wood dissolving pulp |
| CN102978993A (en) * | 2012-11-26 | 2013-03-20 | 四川银鸽竹浆纸业有限公司 | Bamboo fiber dissolving pulp and production technology thereof |
Non-Patent Citations (2)
| Title |
|---|
| 李萍 等: "竹材化学机械制浆", 《纸和造纸》 * |
| 莫立焕: "过氧化尿素及其在纸浆漂白中的应用", 《中华纸业》 * |
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