CN105669941A - Preparation method and application of coal-based modified polymer foaming material - Google Patents
Preparation method and application of coal-based modified polymer foaming material Download PDFInfo
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- CN105669941A CN105669941A CN201610042711.4A CN201610042711A CN105669941A CN 105669941 A CN105669941 A CN 105669941A CN 201610042711 A CN201610042711 A CN 201610042711A CN 105669941 A CN105669941 A CN 105669941A
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- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G18/00—Polymeric products of isocyanates or isothiocyanates
- C08G18/06—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen
- C08G18/70—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen characterised by the isocyanates or isothiocyanates used
- C08G18/72—Polyisocyanates or polyisothiocyanates
- C08G18/74—Polyisocyanates or polyisothiocyanates cyclic
- C08G18/75—Polyisocyanates or polyisothiocyanates cyclic cycloaliphatic
- C08G18/751—Polyisocyanates or polyisothiocyanates cyclic cycloaliphatic containing only one cycloaliphatic ring
- C08G18/752—Polyisocyanates or polyisothiocyanates cyclic cycloaliphatic containing only one cycloaliphatic ring containing at least one isocyanate or isothiocyanate group linked to the cycloaliphatic ring by means of an aliphatic group
- C08G18/753—Polyisocyanates or polyisothiocyanates cyclic cycloaliphatic containing only one cycloaliphatic ring containing at least one isocyanate or isothiocyanate group linked to the cycloaliphatic ring by means of an aliphatic group containing one isocyanate or isothiocyanate group linked to the cycloaliphatic ring by means of an aliphatic group having a primary carbon atom next to the isocyanate or isothiocyanate group
- C08G18/755—Polyisocyanates or polyisothiocyanates cyclic cycloaliphatic containing only one cycloaliphatic ring containing at least one isocyanate or isothiocyanate group linked to the cycloaliphatic ring by means of an aliphatic group containing one isocyanate or isothiocyanate group linked to the cycloaliphatic ring by means of an aliphatic group having a primary carbon atom next to the isocyanate or isothiocyanate group and at least one isocyanate or isothiocyanate group linked to a secondary carbon atom of the cycloaliphatic ring, e.g. isophorone diisocyanate
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- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J20/00—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof
- B01J20/22—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof comprising organic material
- B01J20/26—Synthetic macromolecular compounds
- B01J20/265—Synthetic macromolecular compounds modified or post-treated polymers
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- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J20/00—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof
- B01J20/28—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof characterised by their form or physical properties
- B01J20/28014—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof characterised by their form or physical properties characterised by their form
- B01J20/28042—Shaped bodies; Monolithic structures
- B01J20/28045—Honeycomb or cellular structures; Solid foams or sponges
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/28—Treatment of water, waste water, or sewage by sorption
- C02F1/285—Treatment of water, waste water, or sewage by sorption using synthetic organic sorbents
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/28—Treatment of water, waste water, or sewage by sorption
- C02F1/288—Treatment of water, waste water, or sewage by sorption using composite sorbents, e.g. coated, impregnated, multi-layered
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- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G18/00—Polymeric products of isocyanates or isothiocyanates
- C08G18/06—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen
- C08G18/28—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen characterised by the compounds used containing active hydrogen
- C08G18/40—High-molecular-weight compounds
- C08G18/48—Polyethers
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- C08J9/00—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof
- C08J9/04—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof using blowing gases generated by a previously added blowing agent
- C08J9/06—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof using blowing gases generated by a previously added blowing agent by a chemical blowing agent
- C08J9/08—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof using blowing gases generated by a previously added blowing agent by a chemical blowing agent developing carbon dioxide
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- C08J9/00—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof
- C08J9/04—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof using blowing gases generated by a previously added blowing agent
- C08J9/12—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof using blowing gases generated by a previously added blowing agent by a physical blowing agent
- C08J9/14—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof using blowing gases generated by a previously added blowing agent by a physical blowing agent organic
- C08J9/141—Hydrocarbons
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- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K9/00—Use of pretreated ingredients
- C08K9/04—Ingredients treated with organic substances
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2101/00—Nature of the contaminant
- C02F2101/30—Organic compounds
- C02F2101/308—Dyes; Colorants; Fluorescent agents
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- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
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- C08G2101/00—Manufacture of cellular products
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- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J2203/00—Foams characterized by the expanding agent
- C08J2203/02—CO2-releasing, e.g. NaHCO3 and citric acid
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- C08J2203/00—Foams characterized by the expanding agent
- C08J2203/14—Saturated hydrocarbons, e.g. butane; Unspecified hydrocarbons
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- C—CHEMISTRY; METALLURGY
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- C08J2375/00—Characterised by the use of polyureas or polyurethanes; Derivatives of such polymers
- C08J2375/04—Polyurethanes
- C08J2375/08—Polyurethanes from polyethers
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
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Abstract
The invention belongs to the field of polymer material modified synthesizing, relates to preparation of coal-based modified polymer, and particularly relates to a preparation method and application of coal-based modified polymer foaming material.The preparation method includes: preprocessing coal, mixing and stirring the coal, polyether polyol NJ-330, foaming agent, foam stabilizer and catalyst under room temperature, adding isophorone diisocyanate, and using a one-step foaming method to obtain the coal-based modified polymer foaming material.The coal-based modified polymer foaming material prepared by the method is good in stability, easy to separate, environmental friendly and energy saving.When the coal-based modified polymer foaming material is used as the absorption agent to absorb the brilliant green solution, good absorption and removing effects can be achieved.The coal-based modified polymer foaming material can be used for treating the dye in sewage, is simple to operate and high in absorption rate and has certain practical value.
Description
Technical field
The invention belongs to polymer modification synthesis field, it relates to the preparation of coal-based modified high-molecular, in particular to preparation method and the application thereof of a kind of coal-based modified macromolecule foaming material.
Background technology
China every year nearly 1.6 billion cubic meter waste water from dyestuff be discharged in water body, these waste water are discharged in natural water, have the features such as solubleness height, colourity height, difficult degradation and high toxicity. The waste water of dyestuff and dyeing is one of important pollution source of water body, is not only affected the physiological process of waterplant by the water body of dye discoloration, also threatens the health of the mankind, and therefore, dye wastewater treatment has now become a worldwide difficult problem. The molecular structure of these dyestuffs is very stable, anti-light solution, anti-oxidant and Resistance to microbes, makes sewage disposal very difficult, therefore outer searching is stable, the efficient new adsorbent of Now Domestic is attached great importance to.
Urethane has excellent physical and mechanical properties, the macromolecular material of the features such as water-acid resistance burn into intensity height. Polyurethane sponge shape foam is the porous material that hole, hole is connected, and its volume density is little, specific surface area big, adsorption efficiency height, and it is widely used in the aspects such as the filtration of support of the catalyst, oily water separation, sewage purification, blood plasma.
Though coal in China reserves enrich, but it is Nonrenewable energy resources, effective conversion and the high value added utilization of strengthening coal are the new direction that coal fully utilizes. Coal is the material with macromolecular network structure, specific surface area height, there is porousness simultaneously, coal polymer composites be directly using coal as disperse phase, by coal being carried out superfine grinding, surface modification and process blended with macromolecular material, the matrix material with higher-strength, toughness of preparation. Filler and PU porous material compound is it can be used as to be expected to be integrated in one the advantage of the two, it is not only possible to give the mechanical property of matrix material excellence, but also the specific surface area increasing porous material because coal has high-ratio surface sum porousness improves adsorptive power. In water treatment, for the pollution plot of dyestuff and the high value added utilization of coal provide new approaches.
This method is applied also less in dye wastewater treatment, but it has the plurality of advantages such as ubiquity, high efficiency, energy saving, the feature of environmental protection, is the contaminant removal process of a kind of extensive application prospect. The main achievement of research is at present:
(1) Environmental science and technology, 2009,32(2): 125-129, reports superfined flyash to the absorption property of azoic dyestuff tropeolin-D in water and mechanism, explores the new way that Ash Utilization utilizes.Result shows: the ultra-fine rear absorption property of flyash is more superior, optimal adsorption condition: the reaction times is 120min, and adsorbent amount is 0.7g, absorption pH is 2, superfined flyash has good adsorption effect, and absorption property is obviously better than former flyash, but this material is not easily separated after absorption.
(2) chemical industry progress, 2015,34(8): 3173-3178, reports three kinds of super micro-coal dusts to Ni in the aqueous solution2+And Cr6+Kinetics of adsorption and thermodynamics and dosage and pH value on the impact of adsorption effect, result shows: three kinds of coal dusts are to Ni2+、Cr6+Adsorptive capacity increase all in time and increase, and Ni2+Process successful be better than Cr6+. The absorption of two heavy metal species ions is all met secondary absorption kinetics Freundlich isotherm formula by three kinds of coal dusts, along with the increase of dosage and pH value, removal effect increases, under the same conditions, the adsorption effect of brown coal is better than bituminous coal and hard coal, but adsorptive power is not desirable especially.
(3) Xinjiang University, master thesis in 2013, have studied and utilize Xinjiang Sha Erhu coal and other area coals to be raw material, prepare coal-based sorbent material by methods such as dry and low-temperature heat treatment, and use it for the process of simulative organic wastewater, probe into removal effect. Sha Er lake non-caking coal 395, the brown coal 400 not treated Adsorption effect to tropeolin-D under different-grain diameter is good. The optimum drying treatment condition of brown coal 400 are: particle diameter 200 order, drying temperature 105 DEG C, and time of drying, 45min, reached 98.21% to the clearance of tropeolin-D. Best low-temperature heat treatment condition is: particle diameter 90 order, thermal treatment temp 200 DEG C, heat treatment time 1.5h, the coal-based sorbent material of preparation under this condition, dosage is 7g/100ml tropeolin-D simulated wastewater, and the eliminating rate of absorption of tropeolin-D is reached 97.77%, and Pyrogentisinic Acid's clearance is 76.30%. Dyestuff is had higher adsorption rate by this kind of material, but not easily separated after carrying out adsorption experiment.
Summary of the invention
For efficient, energy-conservation, the eco-friendly feature of coal dust in water treatment, the present invention discloses the preparation method of a coal-based modified macromolecule foaming material of step foaming, and by prepared coal-based modified macromolecule foaming material, is applied to the absorption of dyestuff.
The preparation method of a kind of coal-based modified macromolecule foaming material, first coal is carried out pre-treatment, then by mix and blend under coal, polyether glycol NJ-330, whipping agent, suds-stabilizing agent and catalyzer room temperature, a step foaming after adding isophorone diisocyanate, is utilized to obtain.
The pre-treatment of coal of the present invention, its step comprises:
Coal block pulverizer is pulverized, sieves and obtain being less than 100 object coal dusts by coal dust;
It is that coal dust is placed in disodium ethylene diamine tetraacetate (EDTA) solution that concentration is 0.02mol/L by the ratio of 1g:20mL according to solid-to-liquid ratio, washing coal dust is for several times, fully washing to neutrality with deionized water, move to 110 DEG C of thermostatic drying chambers dry, grinding obtains pure coal dust.
A step foaming preparation process of the present invention comprises:
A, coal dust after pretreatment, polyether glycol NJ-330, whipping agent, suds-stabilizing agent organic silicone oil and catalyzer dibutyl tin dilaurate (T-12) are added in container, stirred at ambient temperature, mix;
B, add rapidly isophorone diisocyanate (IPDI) to above-mentioned system, evenly stir 10s～7min, it is preferable that 15s, when mixture there being bubble occur, stop when turning white stirring, free foaming;
C, end to be foamed, be placed on slaking 2～4h in 90～120 DEG C of baking ovens, it is preferable that 100 DEG C of slaking 3h, takes out cooling, can obtain coal-based modified macromolecule foaming material.
In foamable reaction of the present invention, the proportioning of each reactant is:
After pre-treatment, the consumption of coal dust is the 1.2～12.7% of polyether glycol NJ-330 quality, it is preferable that 5.1%;
The consumption of isophorone diisocyanate is the 13.3～34.3% of coal dust and polyether glycol NJ-330 total mass, it is preferable that 26.45%;
Selected whipping agent can be sodium bicarbonate or normal hexane, it is preferable that sodium bicarbonate, and its consumption is the 7.22～24.67% of coal dust and polyether glycol NJ-330 total mass, it is preferable that 9.51%;
The consumption of suds-stabilizing agent organic silicone oil is the 4.81～9.98% of coal dust and polyether glycol NJ-330 total mass, it is preferable that 6.18%;
The consumption of catalyzer dibutyl tin dilaurate (T-12) is the 0.67～1.01% of coal dust and polyether glycol NJ-330 total mass, it is preferable that 0.85%.
According to the coal-based modified macromolecule foaming material that the method for the invention prepares, the absorption of dyestuff in waste water can be applied to.
The present invention carries out adsorption test with dyestuff in the green simulated wastewater of brilliance.
The adsorption experiment of dyestuff
Adsorption experiment and the adsorption rate of magnificent green dyestuff calculate: in 25mL colorimetric cylinder, add containing magnificent green aqueous dye solutions, add a certain amount of coal-based modified macromolecule foaming material again as sorbent material, vibrate, Static Adsorption under room temperature, until adsorption equilibrium, by the solution centrifugal separation after absorption, get supernatant liquor, at maximum absorption wavelength (623nm) place that brilliance is green, measure absorbancy, and calculate adsorption rate (D) according to formula (1).
D(%)=(A0-At)/A0× 100%(1)
In formula: A0For the absorbancy of the magnificent green solution without sorbent material; AtFor absorbancy magnificent green after placement sorbent material.
The coal that the present invention is used, picks up from colliery, Fangshan, Beijing; Disodium ethylene diamine tetraacetate, sodium bicarbonate, normal hexane, dibutyl tin dilaurate (T-12), Chemical Reagent Co., Ltd., Sinopharm Group; Polyether glycol NJ-330, Ningwu Chemical Co., Ltd. of Jurong city; Magnificent green, the broad Chemical Co., Ltd. in Shanghai; Different Buddhist diketone vulcabond (IPDI), PERSTOP company of Switzerland.
Useful effect
Coal is carried out pre-treatment by the present invention, then by mix and blend under coal dust, polyether glycol NJ-330, whipping agent, suds-stabilizing agent and catalyzer room temperature, then add isophorone diisocyanate and utilize a step foaming to obtain coal-based modified macromolecule foaming material. Using obtained coal-based modified macromolecule foaming material as sorbent material, taking the green solution of brilliance as absorption object, test this foam material of display has absorption and removal effect preferably. The dyestuff being applied to by this foam material in disposing of sewage, has feature simple to operate, that adsorption rate is high, has certain practical value.
Embodiment
Below in conjunction with embodiment, the present invention is described in detail, so that the technician of this area understands the present invention better, but the present invention is not limited to following examples.
The pre-treatment of coal
Coal block pulverizer is pulverized, sieves and obtain being less than 100 object coal dusts;
5g coal dust being placed in 500ml beaker, is the 100mlEDTA solution washing coal dust several of 0.02mol/L by the concentration prepared, more fully washs to neutrality with deionized water, moving to 110 DEG C of thermostatic drying chambers dry, grinding obtains pure coal dust.
Embodiment 1
(1) under room temperature, 0.12g coal dust and 10g polyether glycol (NJ-330) are added in plastic cup, mix by electric blender, add 0.9g sodium bicarbonate, 0.6g organic silicone oil, 0.09g dibutyl tin dilaurate (T-12) again, mix in stirred at ambient temperature;
(2) add rapidly 2.22g isophorone diisocyanate (IPDI) in plastic cup, evenly stir 10s, when mixture occurs bubble, stop when turning white stirring, free foaming, then it is placed on slaking 3h in 90 DEG C of baking ovens, obtain coal-based modified macromolecule foaming material (C/PU-1);
(3) being joined in 25mL colorimetric cylinder by waste water from dyestuff solution, then add C/PU-1 foam material as sorbent material, vibration, Static Adsorption under room temperature, uses it for the absorption of magnificent green waste water solution, records adsorption rate between 65.34～90.47%.
Embodiment 2
(1) under room temperature, 0.38g coal dust and 10g polyether glycol (NJ-330) are joined in plastic cup, mix by electric blender, add 0.75g sodium bicarbonate, 0.5g organic silicone oil, 0.07g dibutyl tin dilaurate (T-12) again, mix in stirred at ambient temperature;
(2) add rapidly 1.67g isophorone diisocyanate (IPDI) in plastic cup, evenly stir 20s, when mixture occurs bubble, and stop when turning white stirring, free foaming, then it is placed on slaking 2h in 110 DEG C of baking ovens, obtain coal-based modified macromolecule foaming material (C/PU-2);
(3) being joined in 25mL colorimetric cylinder by waste water from dyestuff solution, then add C/PU-2 foam material as sorbent material, vibration, Static Adsorption under room temperature, uses it for the absorption of magnificent green waste water solution, and adsorption rate is between 73.52～95.47%.
Embodiment 3
(1) under room temperature, 0.51g coal dust and 10g polyether glycol (NJ-330) are joined in plastic cup, mix by electric blender, adding 1.0g sodium bicarbonate, 0.65g organic silicone oil, 0.09g dibutyl tin dilaurate (T-12) again, stirred at ambient temperature mixes;
(2) add rapidly 2.78g isophorone diisocyanate (IPDI) in plastic cup, evenly stir 15s, when mixture occurs bubble, and stop when turning white stirring, free foaming, then it is placed on slaking 3h in 100 DEG C of baking ovens, obtain coal-based modified macromolecule foaming material (C/PU-3);
(3) being joined in 25mL colorimetric cylinder by waste water from dyestuff solution, then add C/PU-3 foam material as sorbent material, vibration, Static Adsorption under room temperature, uses it for the absorption of magnificent green waste water solution, and adsorption rate is between 91.20～99.43%.
Embodiment 4
(1) at room temperature 0.65g coal dust and 10g polyether glycol (NJ-330) are joined in plastic cup, mixing by electric blender, then add 0.95g sodium bicarbonate, 0.8g organic silicone oil, 0.09g dibutyl tin dilaurate (T-12), stirred at ambient temperature mixes;
(2) add rapidly 1.42g isophorone diisocyanate (IPDI) in plastic cup, evenly stir 30s, when mixture occurs bubble, and stop when turning white stirring, free foaming, then it is placed on slaking 3h in 115 DEG C of baking ovens, obtain coal-based modified macromolecule foaming material (C/PU-4);
(3) being joined in 25mL colorimetric cylinder by waste water from dyestuff solution, then add C/PU-4 foam material as sorbent material, vibration, Static Adsorption under room temperature, uses it for the absorption of magnificent green waste water solution, and adsorption rate is between 65.75～90.48%.
Embodiment 5
(1) under room temperature, 1.27g coal dust and 10g polyether glycol (NJ-330) are joined in plastic cup, mix by electric blender, adding 1.1g sodium bicarbonate, 0.7g organic silicone oil, 0.08g dibutyl tin dilaurate (T-12) again, stirred at ambient temperature mixes;
(2) add rapidly 3.33g isophorone diisocyanate (IPDI) in plastic cup, evenly stir 2min, when mixture occurs bubble, and stop when turning white stirring, free foaming, then it is placed on slaking 3h in 110 DEG C of baking ovens, obtain coal-based modified macromolecule foaming material (C/PU-5);
(3) being joined in 25mL colorimetric cylinder by waste water from dyestuff solution, then add C/PU-5 foam material as sorbent material, vibration, Static Adsorption under room temperature, uses it for the absorption of magnificent green waste water solution, and adsorption rate is between 72.58～97.64%.
Embodiment 6
(1) under room temperature, 1.02g coal dust and 10g polyether glycol (NJ-330) are joined in plastic cup, mix by electric blender, adding 1.0g sodium bicarbonate, 1.1g organic silicone oil, 0.1g dibutyl tin dilaurate (T-12) again, stirred at ambient temperature mixes;
(2) add rapidly 1.67g isophorone diisocyanate (IPDI) in plastic cup, evenly stir 3min, when mixture occurs bubble, and stop when turning white stirring, free foaming, then it is placed on slaking 2h in 120 DEG C of baking ovens, obtain coal-based modified macromolecule foaming material (C/PU-6);
(3) being joined in 25mL colorimetric cylinder by waste water from dyestuff solution, then add C/PU-6 foam material as sorbent material, vibration, Static Adsorption under room temperature, uses it for the absorption of magnificent green waste water solution, and adsorption rate is between 81.33～96.18%.
Embodiment 7
(1) under room temperature, 0.89g coal dust and 10g polyether glycol (NJ-330) are joined in plastic cup, mix by electric blender, adding 2.0g normal hexane, 1.0g organic silicone oil, 0.11g dibutyl tin dilaurate (T-12) again, stirred at ambient temperature mixes;
(2) add rapidly 2.22g isophorone diisocyanate (IPDI) in plastic cup, evenly stir 5min, when mixture occurs bubble, and stop when turning white stirring, free foaming, then it is placed on slaking 4h in 110 DEG C of baking ovens, obtain coal-based modified macromolecule foaming material (C/PU-7);
(3) being joined in 25mL colorimetric cylinder by waste water from dyestuff solution, then add C/PU-7 foam material as sorbent material, vibration, Static Adsorption under room temperature, uses it for the absorption of magnificent green waste water solution, and adsorption rate is between 63.27～80.26%.
Embodiment 8
(1) under room temperature, 0.13g coal dust and 10g polyether glycol (NJ-330) are joined in plastic cup, mix by electric blender, adding 2.5g normal hexane, 0.6g organic silicone oil, 0.09g dibutyl tin dilaurate (T-12) again, stirred at ambient temperature mixes;
(2) add rapidly 3,48g isophorone diisocyanate (IPDI) in plastic cup, evenly stir 7min, when mixture occurs bubble, and stop when turning white stirring, free foaming, it is placed on slaking 3h in 120 DEG C of baking ovens again, obtains coal-based modified macromolecule foaming material (C/PU-8);
(3) being joined in 25mL colorimetric cylinder by waste water from dyestuff solution, then add C/PU-8 foam material as sorbent material, vibration, Static Adsorption under room temperature, uses it for the absorption of magnificent green waste water solution, and adsorption rate is between 60.73～78.56%.
Result shows, the coal-based modified macromolecule foaming material that the present invention obtains, and has good stability, and is easy to separation, environmental protection, energy-conservation. Taking coal-based modified macromolecule foaming material as sorbent material, magnificent green solution is absorption object, has absorption and removal effect preferably. With the dyestuff in this sorbent treatment sewage, simple to operate, adsorption rate height, has certain practical value.
The foregoing is only embodiments of the invention; not thereby the patent scope of the present invention is limited; every utilize specification sheets of the present invention to do equivalent structure or equivalence flow process conversion, or be directly or indirectly used in other relevant technical fields, be all included in the scope of patent protection of the present invention with managing.
Claims (7)
1. the preparation method of a coal-based modified macromolecule foaming material, first coal is carried out pre-treatment, then by mix and blend under coal, polyether glycol NJ-330, whipping agent, suds-stabilizing agent and catalyzer room temperature, a step foaming is utilized to obtain after adding isophorone diisocyanate, it is characterized in that, preparation process comprises:
A, coal dust after pretreatment, polyether glycol NJ-330, whipping agent, suds-stabilizing agent organic silicone oil and catalyzer dibutyl tin dilaurate are added in container, stirred at ambient temperature, mix;
B, add rapidly isophorone diisocyanate to above-mentioned system, evenly stir 10s～7min, when mixture there being bubble occur, stop when turning white stirring, free foaming;
C, end to be foamed, be placed on slaking 2～4h in 90～120 DEG C of baking ovens, takes out cooling, can obtain.
2. the preparation method of coal-based modified macromolecule foaming material according to claim 1, it is characterised in that, the proportioning of each reactant is:
After pre-treatment, the consumption of coal dust is the 1.2～12.7% of polyether glycol NJ-330 quality;
The consumption of isophorone diisocyanate is the 13.3～34.3% of coal dust and polyether glycol NJ-330 total mass;
Selected whipping agent is sodium bicarbonate or normal hexane, and its consumption is the 7.22～24.67% of coal dust and polyether glycol NJ-330 total mass;
The consumption of suds-stabilizing agent organic silicone oil is the 4.81～9.98% of coal dust and polyether glycol NJ-330 total mass;
The consumption of catalyzer dibutyl tin dilaurate is the 0.67～1.01% of coal dust and polyether glycol NJ-330 total mass.
3. the preparation method of coal-based modified macromolecule foaming material according to claim 1, it is characterised in that: in described step B, evenly stir 15s.
4. the preparation method of coal-based modified macromolecule foaming material according to claim 1, it is characterised in that: in described step C, it is placed on slaking 3h in 100 DEG C of baking ovens.
5. the preparation method of coal-based modified macromolecule foaming material according to claim 2, it is characterised in that, the proportioning of each reactant is:
After pre-treatment, the consumption of coal dust is the 5.1% of polyether glycol NJ-330 quality;
The consumption of isophorone diisocyanate is the 26.45% of coal dust and polyether glycol NJ-330 total mass;
Selected whipping agent is sodium bicarbonate, and its consumption is the 9.51% of coal dust and polyether glycol NJ-330 total mass;
The consumption of suds-stabilizing agent organic silicone oil is the 6.18% of coal dust and polyether glycol NJ-330 total mass;
The consumption of catalyzer dibutyl tin dilaurate is the 0.85% of coal dust and polyether glycol NJ-330 total mass.
6. the coal-based modified macromolecule foaming material that method according to above-mentioned any claim prepares.
7. the application of coal-based modified macromolecule foaming material described in a claim 6, it is characterised in that: the absorption being applied in waste water dyestuff.
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