CN101705021A - Non-blooming water-based whitening agent and preparation method thereof - Google Patents
Non-blooming water-based whitening agent and preparation method thereof Download PDFInfo
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- CN101705021A CN101705021A CN200910193792A CN200910193792A CN101705021A CN 101705021 A CN101705021 A CN 101705021A CN 200910193792 A CN200910193792 A CN 200910193792A CN 200910193792 A CN200910193792 A CN 200910193792A CN 101705021 A CN101705021 A CN 101705021A
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- ether
- whitening agent
- aliphatic alcohol
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- alcohol polyethenoxy
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Abstract
The invention relates to a whitening agent, and particularly provides a non-blooming water-based whitening agent and a preparation method thereof. The non-blooming water-based whitening agent is obtained through the following steps of: performing grafting reaction between fatty alcohol-polyoxyethylene ether and alkyl benzene sulfonic acid under the catalysis of H2SO4; neutralizing the mixture by sodium carbonate; and adding a solubilizing agent and an EDTA disodium salt into the mixture. The non-blooming water-based whitening agent has a beautiful natural artistic feeling, has the whitening effect equivalent to that of a fluorescent brightening agent and very good activation, infiltration and level dyeing effects, and is suitable for repeated recycling in the technological processes of pulping and papermaking.
Description
Technical field
The present invention relates to the manufacturing of whitening agent, be specifically related to a kind of non-blooming water-based whitening agent and preparation method thereof.
Background technology
In pulping and paper-making and the dyeing and finishing industry, the whitening of paper pulp and paper product or textiles generally adopts various white dyess at present, as VBL, UBL, VRL ... or the like.Utilize white dyes to brighten, product brightens and exists fluorescent value too high, and guarantor's light tint retention is poor, shortcomings such as not anti-hard water, unfavorable environmental protection.In addition, white dyes fluorescence composition generally is deleterious, and part also has very strong radiativity and carinogenicity to human body, and the specific examples of such components that remains in the product will constitute a threat to the healthy of people.
Summary of the invention
At the shortcoming of white dyes, the purpose of this invention is to provide a kind of non-blooming water-based whitening agent.
Another object of the present invention provides the preparation method of above-mentioned non-blooming water-based whitening agent.
For achieving the above object, the invention provides following technical scheme:
A kind of preparation method of non-blooming water-based whitening agent may further comprise the steps:
(1) be to use aliphatic alcohol polyethenoxy (15-25) ether and alkyl benzene sulphonate (ABS) at H
2SO
4Carry out the grafting reaction under the catalysis, the reaction times is 4.5-5.5 hour; Described aliphatic alcohol polyethenoxy (15-25) ether is aliphatic alcohol polyethenoxy (25) ether, the mixture of aliphatic alcohol polyethenoxy (20) ether and aliphatic alcohol polyethenoxy (15) ether; Be mixed with mass concentration during use and be 60% aliphatic alcohol polyethenoxy (15-25) the ether aqueous solution;
(2) neutralize with SPC-D, to pH value of reaction system be 7.5～8.5;
(3) add EDTA disodium salt mixture; This mixture is made by following method: the EDTA disodium salt that takes by weighing 1 molecule number is mixed with 40.0% aqueous solution with deionized water with the EDTA disodium, adds the H of 2 molecules then
2O
2, make its dissolving and mix, then add appropriate amount of NaOH, make it stablize the pH value of this mixture;
(4) add solubilizing agent, get product.
As preferably, in the step (1), described aliphatic alcohol polyethenoxy (15-25) ether is aliphatic alcohol polyethenoxy (25) ether, and aliphatic alcohol polyethenoxy (20) ether and aliphatic alcohol polyethenoxy (15) ether are by the composite mixture that forms of 1.0: 0.7: 0.3 mol ratio; Be mixed with mass concentration during use and be 60% the aqueous solution;
As preferably, in the step (2), described SPC-D is used the solution form, by following method preparation: with Na
2CO
3Be mixed with 32.0% the aqueous solution, press Na again
2CO
3With H
2O
2Mol ratio be that to add mass concentration at 1.0: 6.0 be 27.5% H
2O
2, make SPC-D solution, then add NaOH to pH again and be worth 10-12;
As preferably, in the step (3), described EDTA disodium salt and H
2O
2Mixing solutions make by following method: the EDTA disodium salt that takes by weighing 1 molecule number is mixed with 40.0% aqueous solution with deionized water with the EDTA disodium, adds the H of 2 molecules then
2O
2, make its dissolving and mix, then add NaOH to pH value and be 10-12;
As preferably, in the step (4), described solubilizing agent is dimethylene epidioxy alkane.
The proportioning of above-mentioned each feed composition can rationally be determined with reference to chemical principle of the present invention.The invention provides a kind of preferred proportioning raw materials, and satisfy under the situation of above-mentioned optimum condition in each component, each feed composition has the proportioning of following weight part:
The aqueous solution 673 of 60% Fatty Alcohol(C12-C14 and C12-C18) polyoxy hexene (15-20) ether
Alkyl benzene sulphonate (ABS) 176
SPC-D 96
Solubilizing agent 58
EDTA disodium salt and H
2O
2Mixing solutions 28-45
Deionized water 400.
In addition, the present invention also provides following optimum condition:
As preferably, in the step (1), the described grafting reaction times is 4.5-5.0h, and temperature of reaction is 120-130 ℃.
As preferably, in the step (1), described H
2SO
4Consumption be 1.3～1.6% of raw material gross weight.
As preferably, in the step (1), described aliphatic alcohol polyethenoxy (15-25) ether is C
13-16Aliphatic alcohol polyethenoxy (15-25) ether.
As preferably, in the step (1), described alkyl benzene sulphonate (ABS) is C
12Alkyl benzene sulphonate (ABS).
As preferably, in the step (2), the time of described neutralization reaction is 2.5-3.0h, and temperature of reaction is 140-150 ℃.
As preferably, in the step (4), described solubilizing agent is adding below 30 ℃.
The invention provides a kind of white dyes, utilize above-mentioned any method to prepare.
General Principle of the present invention is as follows: different varieties, the compositional rule of the white dyes of model reacts in the system of trolamine with 4.4 dissimilar Sulphanilic Acid and inorganic salt mostly and makes, and being made into product is to brighten various paper product and other filamentary material by means of the fluorescence that scatters (blue light).Employing grafting aliphatic alcohol polyethenoxy (15-25) ether/linear alkylbenzene percarbonic acid sodium salt huge legendary turtle compound is that the synthetic system of main body has successfully prepared the high-molecular weight non-blooming water-based whitening agent.The analogy method of using this principle is a somatotype medium reaction Kinetics Model method.The invention provides the selected raw material of non-blooming water-based whitening agent and more than 80% all be and adopt wetting ability Fatty Alcohol(C12-C14 and C12-C18) actives, and all can level dyeing, activation, the tensio-active agent that permeates, brighten is at linear alkyl benzene sulphonic acid (SAS)/H
2SO
4Catalysis down reaction make; It can not produce fluorescence, but with primary character activate, principles such as infiltration, level dyeing, electrostatic adhesion brighten, the sample that is brightened can only occur with the whiteness of natural sex, no fluorescent value can be sayed.Here it is, and non-blooming water-based whitening agent and white dyes brighten the maximum difference of principle.
Chemical principle of the present invention:
The present invention relates to use the function of raw and auxiliary material component such as table 1 listed.
Table 1. synthesizes selected raw and auxiliary material and the function thereof of non-blooming water-based whitening agent
| Sequence number | Title material | Function and illustrating |
| 1 | Aliphatic alcohol polyethenoxy (25) ether | Level dyeing, activation, antistatic, brighten with hydrophilic |
| 2 | Aliphatic alcohol polyethenoxy (20) ether | The same.Increase stability in hard water |
| 3 | Aliphatic alcohol polyethenoxy (15) ether | The same.Has biological degradability |
| 4 | Linear alkyl benzene sulphonic acid | The promotes oxidn graft reaction.The activation osmosis is arranged. |
| 5 | Sodium hydroxide | Oxidation is brightened, the regulation system pH value |
| 6 | Polymethylene epidioxy alkane | Oxidative reaction decolouring level dyeing is brightened |
| 7 | SPC-D | Various fabrics there is auxiliary whitening effect |
| 8 | The EDTA disodium salt | Anti-hard water, electrostatic adsorption is arranged, the heavy metal ion chelating agent |
| 9 | Hydrogen peroxide (27.5%) | Oxidation bleaching |
| 10 | Sulfuric acid | The reaction process catalyzer generates sodium sulfate with the sodium Metal 99.5 reaction |
| 11 | Deionized water | Keep reaction system original product quality of stability |
Compare with white dyes, non-blooming water-based whitening agent of the present invention has following beneficial effect:
The effect that this whitening agent is nontoxic, environmental protection, no fluorescent value, brighten is the artistic color of pure natural protofibre, and every physicochemical property is stable, uses simply, easy to operate, is easy to control, and use cost is low than the white dyes product.The specific performance of white dyes and no white dyes of the present invention is compared as follows table:
Embodiment
Below in conjunction with embodiment, the present invention is done detailed description further, but implementation of the present invention is not limited thereto.
The used chemical products of the present invention except that specified otherwise, is general commercially available technical grade product.
Embodiment 1 and 2 prescription are as shown in table 2.
Table 2. embodiment 1 and 2 composition of raw materials
Embodiment 1
1, composition of raw materials is as shown in table 2:
2, preparation method:
Fatty Alcohol(C12-C14 and C12-C18) polyoxy hexene (15-25) ether is that OS-15, AEO-20, O-25 are by the composite mixture that forms of 1.0: 0.7: 0.3 mol ratio, and adding water, to be mixed with mass concentration be 60% aliphatic alcohol polyethenoxy (15-25) the ether aqueous solution (being the mixture of fatty polyoxyethylene (15～25) ether of 60wt%, the deionized water of 40wt%).
The preparation method of raw material dimethylene epidioxy alkane:
By using equimolecular acetone and hydrogen peroxide under sulfuric acid catalysis, react.Adding the caustic soda neutralization with 32% sodium carbonate solution then forms.
EDTA disodium salt and H
2O
2The preparation of mixture: the EDTA disodium salt that takes by weighing 1 molecule number is mixed with 40.0% aqueous solution with deionized water with the EDTA disodium, adds the H of 2 molecules then
2O
2, make its dissolving and mix.
The preparation method of non-blooming water-based whitening agent:
1, will prepare successfully 60% aliphatic alcohol polyethenoxy (15-25) the ether aqueous solution and alkyl benzene sulphonate (ABS) at H
2SO
4Carry out the grafting reaction under the catalysis, 4.5～5.0 hours reaction times, temperature of reaction: 120 ℃～130 ℃.
2, neutralize the reaction times with SPC-D solution: 2.5～3.0 hours, temperature of reaction: 140 ℃～150 ℃.Be cooled to after the reaction below 30 ℃, reacting system PH value is 7.5～8.5.
3, EDTA disodium salt and H
2O
2Mixture.
4, add solubilizing agent dimethylene epidioxy alkane, get product.
Embodiment 2
The preparation method is with embodiment 1.
Performance comparison with existing white dyes:
The performance perameter of embodiment 1 and 2 products obtained therefroms is as shown in table 3:
The performance perameter of table 3 embodiment 1 and 2 products obtained therefroms
The performance of product of the present invention and white dyes is specifically compared, as shown in table 4:
The performance comparison of table 4 product of the present invention and white dyes
| Sequence number | White dyes | No white dyes |
| ??1 | The dependence fluorescence spectrum brightens | Rely on activation, infiltration, level dyeing, brighten |
| ??2 | The fluorescent value height | No fluorescent value |
| ??3 | It is fast to brighten speed in the same time | It is relatively slightly slow to brighten speed in the same time |
| ??4 | Early stage whiteness increased value height | Early stage, the whiteness increased value lower slightly 1.0～2.0% |
| ??5 | Later stage whiteness increased value is low | Later stage whiteness increased value exceeds 3.0～4.0% |
| ??6 | The article tint retention that is brightened is poor | The article tint retention that is brightened is good |
| ??7 | The article that brightened do not have natural artistic | The article natural artistic that is brightened is good |
| ??8 | Operating process is not too convenient | Operating process is very convenient, and use feeds intake arbitrarily |
| ??9 | Not anti-hard water, but anti-machine oil | Stability in hard water is excellent, but not anti-machine oil |
| Sequence number | White dyes | No white dyes |
| ??10 | The article that brightened have radiativity to human body | The article that brightened are to the radiationless property of human body |
| ??11 | Be unfavorable for improving environment-friendly quality | Be of value to and improve environment-friendly quality |
| ??12 | The article that brightened do not have expanded soft effect | The expanded soft effect of article that is brightened is good |
| ??13 | The potential carinogenicity | Non-carcinogenesis |
| ??14 | Plain boiled water after the processing can not reclaim use | Plain boiled water after the processing must reclaim use |
The foregoing description is a preferred implementation of the present invention; but embodiments of the present invention are not restricted to the described embodiments; other any do not deviate from change, the modification done under spirit of the present invention and the principle, substitutes, combination, simplify; all should be the substitute mode of equivalence, be included within protection scope of the present invention.
Claims (10)
1. the preparation method of a non-blooming water-based whitening agent is characterized in that may further comprise the steps:
(1) be to use aliphatic alcohol polyethenoxy (15-25) ether and alkyl benzene sulphonate (ABS) at H
2SO
4Carry out the grafting reaction under the catalysis; Described aliphatic alcohol polyethenoxy (15-25) ether is aliphatic alcohol polyethenoxy (25) ether, the mixture of aliphatic alcohol polyethenoxy (20) ether and aliphatic alcohol polyethenoxy (15) ether;
(2) neutralize with SPC-D, to pH value of reaction system be 7.5～8.5;
(3) add EDTA disodium salt and H
2O
2Mixing solutions;
(4) add solubilizing agent, get product.
2. the preparation method of non-blooming water-based whitening agent according to claim 1 is characterized in that:
In the step (1), described aliphatic alcohol polyethenoxy (15-25) ether is aliphatic alcohol polyethenoxy (25) ether, and aliphatic alcohol polyethenoxy (20) ether and aliphatic alcohol polyethenoxy (15) ether are by the composite mixture that forms of 1.0: 0.7: 0.3 mol ratio; Be mixed with mass concentration during use and be 60% aliphatic alcohol polyethenoxy (15-25) the ether aqueous solution;
In the step (2), described SPC-D is used the solution form, is prepared by following method: with Na
2CO
3Be mixed with 32.0% the aqueous solution, press Na again
2CO
3With H
2O
2Mol ratio be that to add mass concentration at 1.0: 6.0 be 27.5% H
2O
2, make SPC-D solution, then add NaOH to pH value again and be 10-12;
In the step (3), described EDTA disodium salt and H
2O
2Mixing solutions make by following method: the EDTA disodium salt that takes by weighing 1 molecule number is mixed with 40.0% aqueous solution with deionized water with the EDTA disodium, adds the H of 2 molecules then
2O
2, make its dissolving and mix, then add NaOH to pH value and be 10-12;
In the step (4), described solubilizing agent is dimethylene epidioxy alkane.
3. the preparation method of non-blooming water-based whitening agent according to claim 2, it is characterized in that: each feed composition has the proportioning of following weight part:
The aqueous solution 673 of 60% Fatty Alcohol(C12-C14 and C12-C18) polyoxy hexene (15-20) ether
Alkyl benzene sulphonate (ABS) 176
SPC-D 96
Solubilizing agent 58
EDTA disodium salt and H
2O
2Mixing solutions 28-45
Deionized water 400.
4. according to the preparation method of each described non-blooming water-based whitening agent among the claim 1-3, it is characterized in that: in the step (1), described H
2SO
4Consumption be 1.3～1.6% of raw material gross weight.
5. according to the preparation method of each described non-blooming water-based whitening agent among the claim 1-3, it is characterized in that: in the step (1), the described grafting reaction times is 4.5-5.0h, and temperature of reaction is 120-130 ℃.
6. according to the preparation method of each described non-blooming water-based whitening agent among the claim 1-3, it is characterized in that: in the step (1), described aliphatic alcohol polyethenoxy (15-25) ether is C
13-16Aliphatic alcohol polyethenoxy (15-25) ether.
7. according to the preparation method of each described non-blooming water-based whitening agent among the claim 1-3, it is characterized in that: in the step (1), described alkyl benzene sulphonate (ABS) is C
12Alkyl benzene sulphonate (ABS).
8. according to the preparation method of each described non-blooming water-based whitening agent among the claim 1-3, it is characterized in that: in the step (2), the time of described neutralization reaction is 2.5-3.0h, and temperature of reaction is 140-150 ℃.
9. according to the preparation method of each described non-blooming water-based whitening agent among the claim 1-3, it is characterized in that: in the step (4), described solubilizing agent is adding below 30 ℃.
10. the non-blooming water-based whitening agent for preparing according to each described method among the claim 1-9.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200910193792A CN101705021A (en) | 2009-11-10 | 2009-11-10 | Non-blooming water-based whitening agent and preparation method thereof |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200910193792A CN101705021A (en) | 2009-11-10 | 2009-11-10 | Non-blooming water-based whitening agent and preparation method thereof |
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|---|---|
| CN101705021A true CN101705021A (en) | 2010-05-12 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104262999A (en) * | 2014-09-25 | 2015-01-07 | 山西青山化工有限公司 | Highly dispersive fluorescent brightener for whitening in printing and dyeing and preparation method thereof |
| CN112064409A (en) * | 2019-06-11 | 2020-12-11 | 广州腾龙材料科技有限公司 | Composite fatty acid color brightness regulator and preparation method and application thereof |
-
2009
- 2009-11-10 CN CN200910193792A patent/CN101705021A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104262999A (en) * | 2014-09-25 | 2015-01-07 | 山西青山化工有限公司 | Highly dispersive fluorescent brightener for whitening in printing and dyeing and preparation method thereof |
| CN112064409A (en) * | 2019-06-11 | 2020-12-11 | 广州腾龙材料科技有限公司 | Composite fatty acid color brightness regulator and preparation method and application thereof |
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Application publication date: 20100512 |