CN101234800A - Composite material for treating azo dyes waste water and preparing method thereof - Google Patents
Composite material for treating azo dyes waste water and preparing method thereof Download PDFInfo
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- CN101234800A CN101234800A CNA2008100469057A CN200810046905A CN101234800A CN 101234800 A CN101234800 A CN 101234800A CN A2008100469057 A CNA2008100469057 A CN A2008100469057A CN 200810046905 A CN200810046905 A CN 200810046905A CN 101234800 A CN101234800 A CN 101234800A
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- acrylic acid
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- absorbent resin
- waste water
- aqueous solution
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Abstract
The invention relates to a composite material for treating an azo dyes wastewater and a preparation method thereof. The composite material for treating an azo dyes wastewater is characterized in that the material is formed by mixing nanometer dispersible CMC-acrylic polymer water up taking resin liquor and bentonite liquor. The weight percentage of the components are 1 to 99 percent of the nanometer dispersible CMC-acrylic polymer water up taking resin liquor, 1 to 99 percent of the bentonite liquor; the quantity concentration of the nanometer dispersible CMC-acrylic polymer water up taking resin liquor is 0.01 to 1 percent, and the quantity concentration of the bentonite liquor is 1 to 25 percent. The material is characterized by low cost and high efficiency of absorbing the azo dye molecule in the wastewater.
Description
Technical field
The present invention relates to a kind of composite material for treating azo dyes waste water and preparation method thereof.The high-level efficiency that is applicable to azo dye wastewater absorbs or absorbs the objectionable impurities (as other types waste dyestuff, heavy metal, organic and inorganic toxic substance) in other waste water.
Background technology
The azoic dyestuff trade effluent distributes extensively in China, kind is many, scientific research confirms, organic concentration height in most of azo dye wastewaters, colourity are big, often have the phenyl ring or bitter edible plant ring, have high antioxidant, light resistance and high chemical stability, become one of unmanageable trade effluent.At present domestic and international improvement method roughly has active carbon adsorption, biological degradation method, and modified alta-mud absorption method and photocatalyst for degrading method etc., it is big that above method ubiquity the oxidant consumption amount, and the treatment time is long, shortcomings such as cost height.
Nano dispersible CMC-acrylic acid macromolecule absorbent resin (Chinese invention patent publication number: CN101081881, application number: 200710052379.0), it disperses the length of back molecular chain to be the number nanometer at the aqueous solution, be particularly suitable for doing water-retaining agent, tensio-active agent, uses such as pigment is wetting with high molecule multifunction, dispersing auxiliary material.
Summary of the invention
The purpose of this invention is to provide a kind of cost low, can high-level efficiency absorb composite material for treating azo dyes waste water of azoic dyestuff molecule in the waste water and preparation method thereof.
To achieve these goals, technical scheme of the present invention is: composite material for treating azo dyes waste water, it is characterized in that it is mixed by the nano dispersible CMC-acrylic acid macromolecule absorbent resin aqueous solution and bentonite solution forms, and the shared weight percent of each component is: nano dispersible CMC-acrylic acid macromolecule absorbent resin aqueous solution 1-99%, bentonite solution 1-99%; The mass concentration of the described nano dispersible CMC-acrylic acid macromolecule absorbent resin aqueous solution is 0.01-1%, and the mass concentration of described bentonite solution is 1-25%.
The preparation method of above-mentioned composite material for treating azo dyes waste water is characterized in that it comprises the steps:
1) nano dispersible CMC-acrylic acid macromolecule absorbent resin is added to the water soaks 5-8h, and stir (under the effect of stirring tool, nano dispersible CMC-acrylic acid macromolecule absorbent resin can be in the aqueous solution homodisperse, the length of hydroscopic high-molecular resin molecular chain is the number nanometer), get mass concentration and be the nano dispersible CMC-acrylic acid macromolecule absorbent resin aqueous solution of 0.01-1%, standby;
2) wilkinite be added to the water soak 5-8h, and constantly stir (under the effect of stirring tool, wilkinite can be in the aqueous solution homodisperse), mass concentration be the bentonite solution of 1-25%, standby;
3) by the shared weight percent of each component be: nano dispersible CMC-acrylic acid macromolecule absorbent resin aqueous solution 1-99%, bentonite solution 1-99% choose the nano dispersible CMC-acrylic acid macromolecule absorbent resin aqueous solution and bentonite solution, mix and stir 1h, get composite material for treating azo dyes waste water.
The nano dispersible CMC-acrylic acid macromolecule absorbent resin that the present invention uses adopts the Chinese invention patent application number: 200710052379.0 (open day 2007.12.05) are prepared, be milky white particulate material, its water-intake rate can reach more than 200-800 times of absorption own wt.The length of the molecular chain of dispersive CMC-acrylic acid series hydroscopic high-molecular resin is the number nanometer in the aqueous solution.
The wilkinite that the present invention uses is industrial wilkinite, and its main component is a montmorillonite, and montmorillonite is the clay mineral of 2: 1 layer structures, and the crystalline structure formula is: (Ca, Na) (Si
4-xAlx) (Al, Fe, Mg)
3O
10(OH)
2Its particle diameter is below 1 μ m.
The water that the present invention uses is tap water (distilled water or deionized water effect are better).
The application of composite material for treating azo dyes waste water: the weight proportion by composite material for treating azo dyes waste water and azo dye wastewater is 1: 1-10, composite material for treating azo dyes waste water is joined in the container that fills azo dye wastewater, stir 3-5h, separate with drier then, separate the liquid of discharging the back and after handling, contain azo dye wastewater, can measure its azoic dyestuff residual rate with ultraviolet spectrometer.Its azoic dyestuff residual rate is below the 3-8%, and the solid matter after the drying is the solid mixture of azoic dyestuff and matrix material, can be used as plastics and material of construction pigment after the oven dry.
The invention has the beneficial effects as follows: 1, wilkinite is big at China's reserves, and low price has reduced production cost.2, bentonite ore main ingredient montmorillonite has unique crystalline structure, has characteristics such as good cation exchange property and high-specific surface area, at home and abroad has been widely used as the sorbent material of wastewater treatment; But the effect that wilkinite is directly used in when handling azo dye wastewater is relatively poor; The present invention adopts the nano dispersible CMC-acrylic acid macromolecule absorbent resin aqueous solution and bentonite solution to form composite material for treating azo dyes waste water, after both are compound, can form small cyberspace, utilize wilkinite to have charging property and the bigger strong character of specific surface area, adsorptivity, can be in small network with the azoic dyestuff molecular adsorption in the azo dye wastewater, reach the effect that high-level efficiency absorbs azoic dyestuff molecule in the waste water, treatment effect is good.And the dyestuff waste after the absorption can be used as plastics and material of construction pigment.Composite material for treating azo dyes waste water also can be used as the objectionable impurities (as other types waste dyestuff, heavy metal, organic and inorganic toxic substance) that absorbs in other waste water simultaneously.3, production process of the present invention is simple.
Embodiment
In order to understand the present invention better, further illustrate content of the present invention below in conjunction with embodiment, but content of the present invention not only is confined to the following examples.
The azoic dyestuff that the present invention uses is:
A. Yellow azo dye: Yellow G (ダ ィ ス one ジ ャ パ Application Co., Ltd.);
B. red azo dyestuff: Orange 3R (ダ ィ ス one ジ ャ パ Application Co., Ltd.).
Embodiment 1:
The preparation method of composite material for treating azo dyes waste water, it comprises the steps:
1) with the nano dispersible CMC-acrylic acid macromolecule absorbent resin (500g/g of 0.6g, the expression 1 the gram water-absorbing resin can absorb water 500 the gram) join in 1L (liter) water and soak 5h, and stir (under the effect of stirring tool, nano dispersible CMC-acrylic acid macromolecule absorbent resin can be in the aqueous solution homodisperse, the length of hydroscopic high-molecular resin molecular chain is the number nanometer), get the nano dispersible CMC-acrylic acid macromolecule absorbent resin aqueous solution, standby;
2) the 12g wilkinite is joined in 1L (liter) water and soaks 5h, and constantly stir (under the effect of stirring tool, wilkinite can be in the aqueous solution homodisperse), bentonite solution, standby;
3) pressed the nano dispersible CMC-acrylic acid macromolecule absorbent resin aqueous solution and bentonite solution weight ratio 5: 8, the nano dispersible CMC-acrylic acid macromolecule absorbent resin aqueous solution and bentonite solution are mixed stirring 1h, get composite material for treating azo dyes waste water.
The application of composite material for treating azo dyes waste water: the weight proportion that by composite material for treating azo dyes waste water and the mass concentration of need handling is 3% azo dye wastewater is 1: 6, composite material for treating azo dyes waste water is joined in the container that fills azo dye wastewater, azoic dyestuff is a Yellow azo dye: Yellow G (ダ ィ ス one ジ ャ パ Application Co., Ltd.), stir 3h, separate with drier then, separate the liquid of discharging the back and after handling, contain azo dye wastewater, can measure its azoic dyestuff residual rate with ultraviolet spectrometer.Its azoic dyestuff residual rate is below 8%, and the solid matter after the drying is the solid mixture of azoic dyestuff and matrix material, can be used as plastics and material of construction pigment after the oven dry.
Embodiment 2:
The preparation method of composite material for treating azo dyes waste water, it comprises the steps:
1) nano dispersible CMC-acrylic acid macromolecule absorbent resin (500g/g) of 0.6g is joined in 1L (liter) water soaks 6h, and stir (under the effect of stirring tool, nano dispersible CMC-acrylic acid macromolecule absorbent resin can be in the aqueous solution homodisperse, the length of hydroscopic high-molecular resin molecular chain is the number nanometer), get the nano dispersible CMC-acrylic acid macromolecule absorbent resin aqueous solution, standby;
2) the 12g wilkinite is joined in 1L (liter) water and soaks 6h, and constantly stir (under the effect of stirring tool, wilkinite can be in the aqueous solution homodisperse), bentonite solution, standby;
3) pressed the nano dispersible CMC-acrylic acid macromolecule absorbent resin aqueous solution and bentonite solution weight ratio 5: 8, the nano dispersible CMC-acrylic acid macromolecule absorbent resin aqueous solution and bentonite solution are mixed stirring 1h, get composite material for treating azo dyes waste water.
The application of composite material for treating azo dyes waste water: the weight proportion that by composite material for treating azo dyes waste water and the mass concentration of need handling is 0.8% azo dye wastewater is 1: 6, composite material for treating azo dyes waste water is joined in the container that fills azo dye wastewater, azoic dyestuff is a Yellow azo dye: Yellow G (ダ ィ ス one ジ ャ パ Application Co., Ltd.), stir 4h, separate with drier then, separate the liquid of discharging the back and after handling, contain azo dye wastewater, can measure its azoic dyestuff residual rate with ultraviolet spectrometer.Its azoic dyestuff residual rate is below 6%, and the solid matter after the drying is the solid mixture of azoic dyestuff and matrix material, can be used as plastics and material of construction pigment after the oven dry.
Embodiment 3:
The preparation method of composite material for treating azo dyes waste water, it comprises the steps:
1) with the nano dispersible CMC-acrylic acid macromolecule absorbent resin (500g/g of 0.6g, the expression 1 the gram water-absorbing resin can absorb water 500 the gram) join in 1L (liter) water and soak 6h, and stir (under the effect of stirring tool, nano dispersible CMC-acrylic acid macromolecule absorbent resin can be in the aqueous solution homodisperse, the length of hydroscopic high-molecular resin molecular chain is the number nanometer), get the nano dispersible CMC-acrylic acid macromolecule absorbent resin aqueous solution, standby;
2) the 20g wilkinite is joined in 1L (liter) water and soaks 6h, and constantly stir (under the effect of stirring tool, wilkinite can be in the aqueous solution homodisperse), bentonite solution, standby;
3) pressed the nano dispersible CMC-acrylic acid macromolecule absorbent resin aqueous solution and bentonite solution weight ratio 5: 8, the nano dispersible CMC-acrylic acid macromolecule absorbent resin aqueous solution and bentonite solution are mixed stirring 1h, get composite material for treating azo dyes waste water.
The application of composite material for treating azo dyes waste water: the weight proportion that by composite material for treating azo dyes waste water and the mass concentration of need handling is 3% azo dye wastewater is 1: 6, composite material for treating azo dyes waste water is joined in the container that fills azo dye wastewater, azoic dyestuff is a Yellow azo dye: Yellow G (ダ ィ ス one ジ ャ パ Application Co., Ltd.), stir 4h, separate with drier then, separate the liquid of discharging the back and after handling, contain azo dye wastewater, can measure its azoic dyestuff residual rate with ultraviolet spectrometer.Its azoic dyestuff residual rate is below 7%, and the solid matter after the drying is the solid mixture of azoic dyestuff and matrix material, can be used as plastics and material of construction pigment after the oven dry.
Embodiment 4:
The preparation method of composite material for treating azo dyes waste water, it comprises the steps:
1) nano dispersible CMC-acrylic acid macromolecule absorbent resin (500g/g) of 0.6g is joined in 1L (liter) water soaks 7h, and stir (under the effect of stirring tool, nano dispersible CMC-acrylic acid macromolecule absorbent resin can be in the aqueous solution homodisperse, the length of hydroscopic high-molecular resin molecular chain is the number nanometer), get the nano dispersible CMC-acrylic acid macromolecule absorbent resin aqueous solution, standby;
2) the 20g wilkinite is joined in 1L (liter) water and soaks 7h, and constantly stir (under the effect of stirring tool, wilkinite can be in the aqueous solution homodisperse), bentonite solution, standby;
3) pressed the nano dispersible CMC-acrylic acid macromolecule absorbent resin aqueous solution and bentonite solution weight ratio 5: 8, can disperse the CMC acroleic acid macromolecular absorbent resin aqueous solution and bentonite solution to mix nanometer stirs 1h, gets composite material for treating azo dyes waste water.
The application of composite material for treating azo dyes waste water: the weight proportion that by composite material for treating azo dyes waste water and the mass concentration of need handling is 3% azo dye wastewater is 1: 6, composite material for treating azo dyes waste water is joined in the container that fills azo dye wastewater, azoic dyestuff is the red azo dyestuff: Orange 3R (ダ ィ ス one ジ ャ パ Application Co., Ltd.), stir 4h, separate with drier then, separate the liquid of discharging the back and after handling, contain azo dye wastewater, can measure its azoic dyestuff residual rate with ultraviolet spectrometer.Its azoic dyestuff residual rate is below 7%, and the solid matter after the drying is the solid mixture of azoic dyestuff and matrix material, can be used as plastics and material of construction pigment after the oven dry.
Embodiment 5:
The preparation method of composite material for treating azo dyes waste water, it comprises the steps:
1) nano dispersible CMC-acrylic acid macromolecule absorbent resin (500g/g) of 0.6g is joined in 1L (liter) water soaks 8h, and stir (under the effect of stirring tool, nano dispersible CMC-acrylic acid macromolecule absorbent resin can be in the aqueous solution homodisperse, the length of hydroscopic high-molecular resin molecular chain is the number nanometer), get the nano dispersible CMC-acrylic acid macromolecule absorbent resin aqueous solution, standby;
2) the 20g wilkinite is joined in 1L (liter) water and soaks 8h, and constantly stir (under the effect of stirring tool, wilkinite can be in the aqueous solution homodisperse), bentonite solution, standby;
3) pressed the nano dispersible CMC-acrylic acid macromolecule absorbent resin aqueous solution and bentonite solution weight ratio 5: 8, the nano dispersible CMC-acrylic acid macromolecule absorbent resin aqueous solution and bentonite solution are mixed stirring 1h, get composite material for treating azo dyes waste water.
The application of composite material for treating azo dyes waste water: the weight proportion that by composite material for treating azo dyes waste water and the mass concentration of need handling is 0.8% azo dye wastewater is 1: 6, composite material for treating azo dyes waste water is joined in the container that fills azo dye wastewater, azoic dyestuff is the red azo dyestuff: Orange 3R (ダ ィ ス one ジ ャ パ Application Co., Ltd.), stir 4h, separate with drier then, separate the liquid of discharging the back and after handling, contain azo dye wastewater, can measure its azoic dyestuff residual rate with ultraviolet spectrometer.Its azoic dyestuff residual rate is below 4%, and the solid matter after the drying is the solid mixture of azoic dyestuff and matrix material, can be used as plastics and material of construction pigment after the oven dry.
Embodiment 6:
The preparation method of composite material for treating azo dyes waste water, it comprises the steps:
1) nano dispersible CMC-acrylic acid macromolecule absorbent resin is added to the water soaks 5h, and stir (under the effect of stirring tool, nano dispersible CMC-acrylic acid macromolecule absorbent resin can be in the aqueous solution homodisperse, the length of hydroscopic high-molecular resin molecular chain is the number nanometer), mass concentration is 0.01% the nano dispersible CMC-acrylic acid macromolecule absorbent resin aqueous solution, standby;
2) wilkinite be added to the water soak 5h, and constantly stir (under the effect of stirring tool, wilkinite can be in the aqueous solution homodisperse), mass concentration is 1% bentonite solution, standby;
3) by the shared weight percent of each component be: the nano dispersible CMC-acrylic acid macromolecule absorbent resin aqueous solution 1%, bentonite solution 99% are chosen the nano dispersible CMC-acrylic acid macromolecule absorbent resin aqueous solution and bentonite solution, mix and stir 1h, get composite material for treating azo dyes waste water.
Employed nano dispersible CMC-acrylic acid macromolecule absorbent resin adopts the Chinese invention patent application number: 200710052379.0 (open day 2007.12.05) are prepared.Employed wilkinite is industrial wilkinite, and its main component is a montmorillonite, and montmorillonite is the clay mineral of 2: 1 layer structures, and the crystalline structure formula is: (Ca, Na) (Si
4-xAlx) (Al, Fe, Mg)
3O
10(OH)
2Its particle diameter is below 1 μ m.
The application of composite material for treating azo dyes waste water: the weight proportion by composite material for treating azo dyes waste water and azo dye wastewater is 1: 1, composite material for treating azo dyes waste water is joined in the container that fills azo dye wastewater, stir 3h, separate with drier then, separate the liquid of discharging the back and after handling, contain azo dye wastewater, can measure its azoic dyestuff residual rate with ultraviolet spectrometer.Solid matter after the drying is the solid mixture of azoic dyestuff and matrix material, can be used as plastics and material of construction pigment after the oven dry.
Embodiment 7:
The preparation method of composite material for treating azo dyes waste water, it comprises the steps:
1) nano dispersible CMC-acrylic acid macromolecule absorbent resin is added to the water soaks 8h, and stir (under the effect of stirring tool, nano dispersible CMC-acrylic acid macromolecule absorbent resin can be in the aqueous solution homodisperse, the length of hydroscopic high-molecular resin molecular chain is the number nanometer), mass concentration is 1% the nano dispersible CMC-acrylic acid macromolecule absorbent resin aqueous solution, standby;
2) wilkinite be added to the water soak 8h, and constantly stir (under the effect of stirring tool, wilkinite can be in the aqueous solution homodisperse), mass concentration is 25% bentonite solution, standby;
3) by the shared weight percent of each component be: the nano dispersible CMC-acrylic acid macromolecule absorbent resin aqueous solution 99%, bentonite solution 1% are chosen the nano dispersible CMC-acrylic acid macromolecule absorbent resin aqueous solution and bentonite solution, mix and stir 1h, get composite material for treating azo dyes waste water.
Employed nano dispersible CMC-acrylic acid macromolecule absorbent resin adopts the Chinese invention patent application number: 200710052379.0 (open day 2007.12.05) are prepared.Employed wilkinite is industrial wilkinite, and its main component is a montmorillonite, and montmorillonite is the clay mineral of 2: 1 layer structures, and the crystalline structure formula is: (Ca, Na) (Si
4-xAlx) (Al, Fe, Mg)
3O
10(OH)
2Its particle diameter is below 1 μ m.
The application of composite material for treating azo dyes waste water: the weight proportion by composite material for treating azo dyes waste water and azo dye wastewater is 1: 10, composite material for treating azo dyes waste water is joined in the container that fills azo dye wastewater, stir 5h, separate with drier then, separate the liquid of discharging the back and after handling, contain azo dye wastewater, can measure its azoic dyestuff residual rate with ultraviolet spectrometer.Solid matter after the drying is the solid mixture of azoic dyestuff and matrix material, can be used as plastics and material of construction pigment after the oven dry.
Composite material for treating azo dyes waste water of the present invention can be used for the processing of all azo dye wastewaters, does not enumerate embodiment one by one at this; Also can be used for absorbing the objectionable impurities (as other types waste dyestuff, heavy metal, organic and inorganic toxic substance) in other waste water.
Claims (3)
1. composite material for treating azo dyes waste water, it is characterized in that it is mixed by the nano dispersible CMC-acrylic acid macromolecule absorbent resin aqueous solution and bentonite solution forms, and the shared weight percent of each component is: nano dispersible CMC-acrylic acid macromolecule absorbent resin aqueous solution 1-99%, bentonite solution 1-99%; The mass concentration of the described nano dispersible CMC-acrylic acid macromolecule absorbent resin aqueous solution is 0.01-1%, and the mass concentration of described bentonite solution is 1-25%.
2. composite material for treating azo dyes waste water according to claim 1 is characterized in that: wilkinite is industrial wilkinite, and main component is a montmorillonite, and montmorillonite is the clay mineral of 2: 1 layer structures, and the crystalline structure formula is: (Ca, Na) (Si
4-xAlx) (Al, Fe, Mg)
3O
10(OH)
2, bentonitic particle diameter is below 1 μ m.
3. the preparation method of composite material for treating azo dyes waste water as claimed in claim 1 is characterized in that it comprises the steps:
1) nano dispersible CMC-acrylic acid macromolecule absorbent resin be added to the water soak 5-8h, and stir, mass concentration be the nano dispersible CMC-acrylic acid macromolecule absorbent resin aqueous solution of 0.01-1%, standby;
2) wilkinite be added to the water soak 5-8h, and constantly stir, mass concentration be the bentonite solution of 1-25%, standby;
3) by the shared weight percent of each component be: nano dispersible CMC-acrylic acid macromolecule absorbent resin aqueous solution 1-99%, bentonite solution 1-99% choose the nano dispersible CMC-acrylic acid macromolecule absorbent resin aqueous solution and bentonite solution, mix and stir 1h, get composite material for treating azo dyes waste water.
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| CN200810046905A CN100591627C (en) | 2008-02-19 | 2008-02-19 | Composite material for treating azo dyes waste water and preparing method thereof |
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| CN200810046905A CN100591627C (en) | 2008-02-19 | 2008-02-19 | Composite material for treating azo dyes waste water and preparing method thereof |
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| CN100591627C CN100591627C (en) | 2010-02-24 |
Family
ID=39918743
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101519249B (en) * | 2009-04-01 | 2012-06-27 | 东南大学 | Method for treating hydrolyzed waste water and recovering resource in disperse blue production process |
| CN102633945A (en) * | 2012-05-03 | 2012-08-15 | 山东大学 | Manufacturing method of compound type super absorbent resin |
| CN105540699A (en) * | 2016-01-26 | 2016-05-04 | 苏州能华节能环保科技有限公司 | Nanometer phosphorus-free water treatment material and preparation method thereof |
| CN105602422A (en) * | 2016-03-28 | 2016-05-25 | Ppg涂料(天津)有限公司 | Bentonite dispersion liquid capable of covering polishing traces of automobile, preparation method of bentonite dispersion liquid, colored paint containing bentonite dispersion liquid and preparation method of colored paint |
-
2008
- 2008-02-19 CN CN200810046905A patent/CN100591627C/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101519249B (en) * | 2009-04-01 | 2012-06-27 | 东南大学 | Method for treating hydrolyzed waste water and recovering resource in disperse blue production process |
| CN102633945A (en) * | 2012-05-03 | 2012-08-15 | 山东大学 | Manufacturing method of compound type super absorbent resin |
| CN102633945B (en) * | 2012-05-03 | 2014-05-21 | 山东大学 | Manufacturing method of compound type super absorbent resin |
| CN105540699A (en) * | 2016-01-26 | 2016-05-04 | 苏州能华节能环保科技有限公司 | Nanometer phosphorus-free water treatment material and preparation method thereof |
| CN105602422A (en) * | 2016-03-28 | 2016-05-25 | Ppg涂料(天津)有限公司 | Bentonite dispersion liquid capable of covering polishing traces of automobile, preparation method of bentonite dispersion liquid, colored paint containing bentonite dispersion liquid and preparation method of colored paint |
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|---|---|
| CN100591627C (en) | 2010-02-24 |
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