CN106318011A - High-efficiency deinking agent and preparation method thereof - Google Patents
High-efficiency deinking agent and preparation method thereof Download PDFInfo
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- CN106318011A CN106318011A CN201510350147.8A CN201510350147A CN106318011A CN 106318011 A CN106318011 A CN 106318011A CN 201510350147 A CN201510350147 A CN 201510350147A CN 106318011 A CN106318011 A CN 106318011A
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- deinking
- sodium
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- high efficient
- removing agent
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Abstract
The invention discloses a high-efficiency deinking agent and a preparation method thereof. The deinking agent solves the problem of high deinking cost of an original high-efficiency high-molecular deinking agent. Through interworking, original deinking effect is kept, and the deinking cost is greatly reduced. The paper pulp fiber after deinking by the deinking agent has high whiteness, and the deinking agent is suitable for deinking the recovered waste paper.
Description
Technical field
The present invention relates to the auxiliary agent of a kind of pulp technology for making paper, particularly relate to a kind of high efficient ink-removing agent and preparation side thereof
Method.
Background technology
Deinking agent is the class important chemical increasing reclaimed waste paper pulp brightness in paper industry, Chemical Deinking master
Floatation deinking agent to be divided into and washout algorithms agent two kinds, wherein, floatation deinking agent is should in production at present
With the most extensive and maximally effective deinking agent.
Deinking agent mainly includes anion fatty acid soaps, nonionic fatty alcohols class and fat ethers, compound table
Face activating agent class, biological enzyme, inorganic-organic hybrid class etc., wherein, it is synthesized by structure design
Polymeric deinking agent has very efficient deinking efficiency, as in patent CN104017429A that applicant submits to
The deinking agent described.
But raw material such as acrylic acid high-grade fatty ester, polyether monomer etc. used in preparation process in this series products
High expensive, and preparation process typically require a certain amount of organic solvent of addition so that the cost of final deinking agent
Higher.
Summary of the invention
For the above-mentioned state of the art, the invention provides the good high efficient ink-removing agent of a kind of low cost, deinking efficiency and
Its preparation method.
The invention provides a kind of high efficient ink-removing agent, just like the structure of logical formula (I):
Wherein, R1For H or CH3；R2For the aliphatic chain that carbon number is 7～23；Y is anionic monomer list
Unit, selected from (methyl) acrylic acid, vinyl sodium benzosulfonate, itaconic acid, fumaric acid；Z is the 4th monomer,
Selected from such as the nonionic list of methyl, non-acrylate class, acrylamide, vinylacetate and 2-(Acryloyloxy)ethanol
Body；
X architecture is as shown in logical formula (II):
Wherein, M for link group, can be carbonyl can also be methylene, EO, PO and DO are respectively ring
Oxidative ethane, expoxy propane and epoxybutane unit, each unit is combined as block or randomly combines；R5For H, hydroxyl
Base or alkyl.
On the other hand, a kind of method preparing above-mentioned high efficient ink-removing agent of the present invention, comprise the steps:
Step 1: add water in reactor, open stirring, and system temperature is risen to 65～75 DEG C；
Step 2: be sequentially added into polymeric deinking agent, enuatrol, NP-10, chelating agen in reactor, stirring
Mixing, insulation reaction 2 hours；
Step 3: cooling discharge, it is thus achieved that described high efficient ink-removing agent.
In order to optimize above-mentioned preparation method, the measure that the present invention takes also includes:
Optimizing each component, the parts by weight of each component are as follows:
Chelating agen preferably is selected from sodium tripolyphosphate, ethylenediaminetetraacetic acid (sodium), diethylene-triamine pentaacetic acid (sodium)
One or more.
Compared with prior art, the present invention passes through complex technique, on the basis of original high performance polymer deinking agent
On, add some the most collaborative components so that final properties of product are maintained even increased, and make
It is greatly reduced with but cost, is conducive to its popularization and application in deinking field.
Detailed description of the invention
The invention provides a kind of high efficient ink-removing agent, just like the structure of logical formula (I):
Wherein, R1For H or CH3；R2For the aliphatic chain that carbon number is 7～23；Y is anionic monomer list
Unit, selected from (methyl) acrylic acid, vinyl sodium benzosulfonate, itaconic acid, fumaric acid；Z is the 4th monomer,
Selected from such as the nonionic list of methyl, non-acrylate class, acrylamide, vinylacetate and 2-(Acryloyloxy)ethanol
Body；
X architecture is as shown in logical formula (II):
Wherein, M for link group, can be carbonyl can also be methylene, EO, PO and DO are respectively epoxy second
Alkane, expoxy propane and epoxybutane unit, each unit is combined as block or randomly combines；R5For H, hydroxyl or
Person's alkyl.
Below by specific embodiment, the present invention is carried out detailed and concrete introduction, so that being better understood from this
Bright high efficient ink-removing agent and preparation method thereof, but following embodiment is not limiting as the scope of the invention.
As the reference of embodiment, the method for manufacture deinking agent of the prior art is utilized to carry out following comparative example
The operation of 1-2.
Comparative example 1.
Processing industry ethanol 480g in a kettle., is the most under reflux conditions warmed up to 70 DEG C, is subsequently adding 300g
Monomer mixture, including 120g acrylic ester (MW=1000), 100g acrylic acid, 30g acrylic acid
Octadecyl ester, 15g 2-(Acryloyloxy)ethanol, 35g industrial alcohol, lead to nitrogen 2～3 times, so by reactor evacuation repeatedly
Nitrogen is led in rear maintenance, adds the sodium sulfite 100g of 2.5%, and the Ammonium persulfate. 60g of 2.5%, by system temperature
Be maintained at about 70 DEG C reaction half an hour, then add 2.5% Ammonium persulfate. 40g insulation reaction 3.5 little
Time, finally with the Caustic soda of 50%, pH regulator to 7, cooling are taken the dish out of the pot and i.e. obtain the yellowish colour band of solid content about 27%
There is certain viscosity liquid, be final products.
Comparative example 2.
Add 700g water in a kettle., start stirring, be warming up to 70 DEG C, be sequentially added into 12g enuatrol, 15g
NP-10,2g diethylene-triamine pentaacetic acid sodium, 1g sodium tripolyphosphate, stirring at low speed is reacted 2 hours, lowers the temperature
Discharging after less than 40 DEG C.
Embodiment 1.
Add 700g water in a kettle., start stirring, be warming up to 70 DEG C, be sequentially added in 20g comparative example 1
Polymeric deinking agent, 4g enuatrol, 5g NP-10,0.67g diethylene-triamine pentaacetic acid sodium, 0.33g trimerization
Sodium phosphate, stirring at low speed is reacted 2 hours, is cooled to less than 40 DEG C rear dischargings.
Embodiment 2.
Add 700g water in a kettle., start stirring, be warming up to 70 DEG C, be sequentially added in 15g comparative example 1
Polymeric deinking agent, 6g enuatrol, 7.5g NP-10,1g diethylene-triamine pentaacetic acid sodium, 0.5g trimerization phosphorus
Acid sodium, stirring at low speed is reacted 2 hours, is cooled to less than 40 DEG C rear dischargings.
Embodiment 3.
Add 700g water in a kettle., start stirring, be warming up to 70 DEG C, be sequentially added in 10g comparative example 1
Polymeric deinking agent, 8g enuatrol, 10g NP-10,1.33g diethylene-triamine pentaacetic acid sodium, 0.67g tri-
Polyphosphate sodium, stirring at low speed is reacted 2 hours, is cooled to less than 40 DEG C rear dischargings.
Embodiment 4.
Add 700g water in a kettle., start stirring, be warming up to 70 DEG C, be sequentially added in 25g comparative example 1
Polymeric deinking agent, 2g enuatrol, 2.5g NP-10,0.333g diethylene-triamine pentaacetic acid sodium, 0.167g
Sodium tripolyphosphate, stirring at low speed is reacted 2 hours, is cooled to less than 40 DEG C rear dischargings.
Application example 1.
Choose waste magazine paper and the over dry raw material 200g that news waste paper weight ratio is 3:7 adds in pulper, then
Add after deinking medicine and after water again at 55 DEG C by repulping of waste paper 20 minutes, the consumption of each deinking medicine is all to account for
The percentages Caustic soda (solid content 33%) 4% of oven dry stock, sodium silicate (solid content 33%) 4%, hydrogen peroxide (Gu
Content 33%) 3%, deinking agent 0.1%.Paper pulp after discongesting is poured out, and stands 30min；Paper pulp is put into floating
In selecting groove, add tap water and make pulp consistency control 1%, stir under 1200rpm/min and be diluted for 5 minutes,
Then blast air and carry out flotation 10min, filter with 100 mesh nets, then with clear water be diluted to 1.0% dense
Degree.Paper pulp after size degradation, after flotation is carried out handsheet, the quantification of 100g/ of copy paper；Detection handsheet paper
The whiteness of sample.
Table 1 gives the application data of paper prepared by said method.
Table 1. adds the handsheet whiteness index of deinking agent
From above-described embodiment, comparative example and application examples, in the deinking agent of method therefor of the present invention synthesis, when
Efficiently polymeric deinking agent content has good application performance when being not less than solid content 50%, and due to collaborative
Effect, when its content accounts for solid content 2/3rds, the more single polymeric deinking agent of its deinking efficiency slightly promotes,
When in deinking agent, polymeric deinking agent content is relatively low, its deinking efficiency also declines to a great extent.
Being described in detail the specific embodiment of the present invention above, but it is intended only as example, the present invention is also
It is not restricted to particular embodiments described above.To those skilled in the art, any the present invention is carried out
Equivalent modifications and substitute the most all among scope of the invention.Therefore, without departing from the spirit of the present invention and model
Enclose lower made impartial conversion and amendment, all should contain within the scope of the invention.
Claims (4)
1. a high efficient ink-removing agent, it is characterised in that described high efficient ink-removing agent has such as the structure of logical formula (I),
Wherein, R1For H or CH3；R2For the aliphatic chain that carbon number is 7～23；Y is anionic monomer list
Unit, selected from (methyl) acrylic acid, vinyl sodium benzosulfonate, itaconic acid, fumaric acid；Z is the 4th monomer,
Selected from such as the nonionic list of methyl, non-acrylate class, acrylamide, vinylacetate and 2-(Acryloyloxy)ethanol
Body；
X architecture is as shown in logical formula (II):
Wherein, M for link group, can be carbonyl can also be methylene, EO, PO and DO are respectively ring
Oxidative ethane, expoxy propane and epoxybutane unit, each unit is combined as block or randomly combines；R5For H, hydroxyl
Base or alkyl.
2. the method preparing high efficient ink-removing agent as claimed in claim 1, it is characterised in that include following step
Rapid:
Step 1: add water in reactor, open stirring, and system temperature is risen to 65～75 DEG C；
Step 2: be sequentially added into polymeric deinking agent, enuatrol, NP-10, chelating agen in reactor, stirring
Mixing, insulation reaction 2 hours；
Step 3: cooling discharge, it is thus achieved that described high efficient ink-removing agent.
Method the most according to claim 2, it is characterised in that the parts by weight of each component are as follows:
The most according to the method in claim 2 or 3, it is characterised in that described chelating agen is selected from tripolyphosphate
Sodium, ethylenediaminetetraacetic acid (sodium), diethylene-triamine pentaacetic acid (sodium) one or more.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201510350147.8A CN106318011A (en) | 2015-06-19 | 2015-06-19 | High-efficiency deinking agent and preparation method thereof |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201510350147.8A CN106318011A (en) | 2015-06-19 | 2015-06-19 | High-efficiency deinking agent and preparation method thereof |
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| CN106318011A true CN106318011A (en) | 2017-01-11 |
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| CN201510350147.8A Pending CN106318011A (en) | 2015-06-19 | 2015-06-19 | High-efficiency deinking agent and preparation method thereof |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107974128A (en) * | 2017-12-27 | 2018-05-01 | 湖南美莱精化有限公司 | A kind of wide spectrum waste paper deinking agent and preparation method thereof |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0394690B1 (en) * | 1989-03-30 | 1996-02-14 | Huntsman Corporation | Polyfunctional polymers as deinking agents |
| CN101067288A (en) * | 2007-06-01 | 2007-11-07 | 李道宽 | Ink remover |
| CN101177558A (en) * | 2007-10-30 | 2008-05-14 | 山东太阳纸业股份有限公司 | Deinking agent |
| CN101928485A (en) * | 2009-06-24 | 2010-12-29 | 中国制浆造纸研究院 | Waste paper deinking agent |
| CN104017429A (en) * | 2014-06-12 | 2014-09-03 | 上海东升新材料有限公司 | High molecular deinking agent and preparation method thereof |
-
2015
- 2015-06-19 CN CN201510350147.8A patent/CN106318011A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0394690B1 (en) * | 1989-03-30 | 1996-02-14 | Huntsman Corporation | Polyfunctional polymers as deinking agents |
| CN101067288A (en) * | 2007-06-01 | 2007-11-07 | 李道宽 | Ink remover |
| CN101177558A (en) * | 2007-10-30 | 2008-05-14 | 山东太阳纸业股份有限公司 | Deinking agent |
| CN101928485A (en) * | 2009-06-24 | 2010-12-29 | 中国制浆造纸研究院 | Waste paper deinking agent |
| CN104017429A (en) * | 2014-06-12 | 2014-09-03 | 上海东升新材料有限公司 | High molecular deinking agent and preparation method thereof |
Non-Patent Citations (4)
| Title |
|---|
| 梁实梅: "《制浆技术问答》", 31 May 2004, 中国轻工业出版社 * |
| 王忠厚: "《制浆造纸工艺》", 31 January 2006, 中国轻工业出版社 * |
| 詹怀宇: "《制浆原理与工程》", 31 January 2009, 中国轻工业出版社 * |
| 高玉杰: "《废纸再生实用技术》", 30 September 2003, 化学工业出版社 * |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107974128A (en) * | 2017-12-27 | 2018-05-01 | 湖南美莱精化有限公司 | A kind of wide spectrum waste paper deinking agent and preparation method thereof |
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Application publication date: 20170111 |