CN107159129A - An one-step preparation method and purposes for a kind of PDMS constructing super-drainages melamine sponge carbon material - Google Patents
An one-step preparation method and purposes for a kind of PDMS constructing super-drainages melamine sponge carbon material Download PDFInfo
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- CN107159129A CN107159129A CN201710364785.4A CN201710364785A CN107159129A CN 107159129 A CN107159129 A CN 107159129A CN 201710364785 A CN201710364785 A CN 201710364785A CN 107159129 A CN107159129 A CN 107159129A
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- B—PERFORMING OPERATIONS; TRANSPORTING
- 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
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- B—PERFORMING OPERATIONS; TRANSPORTING
- 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
- B01J20/02—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof comprising inorganic material
- B01J20/20—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof comprising inorganic material comprising free carbon; comprising carbon obtained by carbonising processes
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- B—PERFORMING OPERATIONS; TRANSPORTING
- 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
- C02F1/283—Treatment of water, waste water, or sewage by sorption using coal, charred products, or inorganic mixtures containing them
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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
- C02F2101/00—Nature of the contaminant
- C02F2101/30—Organic compounds
- C02F2101/34—Organic compounds containing oxygen
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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
- C02F2101/36—Organic compounds containing halogen
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Abstract
The invention provides an a kind of one-step preparation method of PDMS constructing super-drainages melamine sponge carbon material and purposes, step is as follows：Step 1, the cleaning of melamine sponge：Melamine sponge is dipped in hydrochloric acid and cleaned, is washed to after neutrality, is dried；Step 2, PDMS loads：The melamine sponge cleaned is dipped in PDMS solution, and dried, PDMS Supported Melamine sponges are obtained；Step 3, preparation PDMS constructing super-drainage melamine sponge carbon materials：PDMS Supported Melamine sponges are placed in tube furnace, the high temperature cabonization under inert gas shielding, you can obtain PDMS constructing super-drainage melamine sponge carbon materials.The present invention preparation method is simple and easy to apply, flow is shorter, suitable for industrialized production and use.
Description
Technical field
Prepared the present invention relates to a kind of one-step method of PDMS constructing super-drainages melamine sponge carbon material and application thereof, category
Technical field of environment function material preparation.
Background technology
With the rapid development of economy, thing followed Organic Pollution water resources problems is also on the rise, meanwhile, oil
Exploitation, transport and storing process in all easily occur oil leak cause marine pollution incident.The water source pair of these oily pollutions
Ecological environment causes great destruction, and carrying out water-oil separating on oil-polluted water has caused extensive concern.Carry out water-oil separating
Main method has centrifugal process, gravitational method, absorption method, biological oxidation process and chemical method etc..It is a kind of to be wherein selectively adsorbing and separating
Most simply and easily mode.But the interface imbibition characteristic of traditional sorbing material is not obvious, and oil absorption and water-resistance compare
Difference, can absorb large quantity of moisture, so as to reduce separative efficiency while oil is adsorbed.Need exploitation is a kind of to dredge in this case
Water-oleophylic function admirable and the new water-oil separating material of environmental protection.
Melamine sponge is the froth pulp that a kind of density is low, porosity is high, pliability is strong.Excellent because possessing is fire-retardant
Property, sound absorption properties and thermal insulation, be widely used in heat-insulation and heat-preservation, the building of the control demand such as noise, the vehicles, space flight
The fields such as aviation.Ultralight porous, being used repeatedly property based on melamine sponge and it is cheap the advantages of, can be with
Used as the selective absorbent of water-oil separating, carried out on its surface it is coarse construct reached with the modification of surface low energy it is super thin
Aqueous energy, and applied to water-oil separating engineering.
The present invention makes full use of resource, using low density porous melamine sponge as base material, in its surface construction
PDMS surfaces katakinetomere forms coarse structure simultaneously, and the material shows excellent ultra-hydrophobicity, and in oil water mixture
In show good selective absorption oils, be a kind of there is the sorbing material of rosy prospect for water-oil separating engineering.
The content of the invention
It is first it is an object of the invention to provide a kind of preparation of the one-step method of PDMS constructing super-drainages melamine sponge carbon material
First, the cleaning of melamine sponge：Melamine sponge is dipped in aqueous hydrochloric acid solution and cleaned, is washed to after neutrality, is dried
It is dry；PDMS (dimethyl silicone polymer) is loaded：The melamine sponge cleaned is dipped in PDMS solution, and dried, is obtained
PDMS Supported Melamine sponges；Prepare PDMS constructing super-drainage melamine sponge carbon materials：By PDMS Supported Melamines
Sponge is placed in tube furnace, the high temperature cabonization under inert gas shielding, you can obtain PDMS constructing super-drainage melamine sponges
Carbon material.The technical solution adopted by the present invention is：
An a kind of one-step preparation method of PDMS constructing super-drainages melamine sponge carbon material, step is as follows：
Step 1, the cleaning of melamine sponge：Melamine sponge is dipped in hydrochloric acid and cleaned, neutrality is washed to
Afterwards, dry；
Step 2, PDMS loads：The melamine sponge cleaned is dipped in PDMS solution, and dried, PDMS is obtained and bears
Carry melamine sponge；
Step 3, preparation PDMS constructing super-drainage melamine sponge carbon materials：PDMS Supported Melamine sponges are placed in
In tube furnace, the high temperature cabonization under inert gas shielding, you can obtain PDMS constructing super-drainage melamine sponge carbon materials.
In step 1, used concentration of hydrochloric acid is 0.1~5mol L-1, soaking temperature is 10~70 DEG C, and soak time is
0.5~5h.
In step 1, described washing is to use deionized water or distilled water or hot water wash.
In step 1, described drying is at 40~80 DEG C, drying time is 3~8h.
In step 2, used PDMS solution is the alkane mixed solution of PDMS and curing agent, and described curing agent is silicon
Oily curing agent.
In step 2, in used PDMS solution, PDMS is the 0.1~5% of solvent quality, and curing agent is PDMS mass
1~20%.
In step 2, used solvent is pentane, hexane, hexamethylene, at least one of octane.
In step 2, described drying is at 40~80 DEG C, drying time is 1~3h.
In step 3, used inert gas is nitrogen or argon gas.
In step 3, the high temperature cabonization temperature is 400~900 DEG C, and the high temperature cabonization time is 0.05~2h.
On the greasy dirt that prepared PDMS constructing super-drainage melamine sponges carbon material is used in adsorbed water body, such as water surface
Soybean oil, carbon tetrachloride under water etc..
Beneficial effect：
(1) present invention base material used is melamine sponge, cheap.
(2) PDMS constructing super-drainages melamine sponge carbon material made from has high porosity, extremely-low density, height absorption
Amount, quick adsorption, the performance such as chemical stability is strong, regeneration reusing is good.
(3) in view of the ultra-hydrophobicity of the PDMS constructing super-drainage melamine sponge carbon materials, high adsorption capacity, absorption
The advantages of organic matter is easy to be recycled, can be widely used in greasy dirt field in adsorbed water body.
(4) preparation method of the invention is simple and easy to apply, flow is shorter, suitable for industrialized production and uses.
Brief description of the drawings
Scanning electron microscope (SEM) photograph after melamine sponge carbonizations of the Fig. 1 not carry out PDMS loads in embodiment 1；
Fig. 2 is the scanning electron microscope (SEM) photograph of the PDMS constructing super-drainage melamine sponge carbon materials prepared in embodiment 1.
Embodiment
The invention will be further described below in conjunction with the accompanying drawings：
Embodiment 1：
First, the cleaning of melamine sponge：It is 0.5mol L that melamine sponge is dipped in into concentration at 50 DEG C-1Hydrochloric acid
Cleaning 3h is carried out in the aqueous solution, is washed till with deionized water or distilled water or hot water after neutrality, is dried；Then, PDMS is loaded：Will be clear
Washed melamine sponge is dipped in PDMS alkane solutions, and wherein PDMS accounts for the 1% of alkane quality, and curing agent accounts for PDMS quality
1%, and 60 DEG C drying, obtain PDMS Supported Melamine sponges；PDMS Supported Melamine sponges are finally placed in 600 DEG C
Constant temperature 0.1h, the high temperature cabonization under inert gas shielding, you can obtain PDMS constructing super-drainage melamines are kept in pipe type stove
Amine sponge carbon material.Alkane is pentane, hexane, hexamethylene, at least one of octane.
Scanning electron microscope (SEM) photograph after melamine sponge carbonizations of the Fig. 1 not carry out PDMS loads in embodiment 1, can be clear
See at sponge carbon material node thering is substantial amounts of expansion.
Fig. 2 is the scanning electron microscope (SEM) photograph of PDMS constructing super-drainage melamine sponge carbon materials prepared in embodiment 1, can be with
Find out that sponge carbon surface has one layer of fine and close PDMS, illustrate that duty factor relatively succeeds.
Embodiment 2：
First, the cleaning of melamine sponge：It is 5mol L that melamine sponge is dipped in into concentration at 10 DEG C-1Hydrochloric acid water
Cleaning 5h is carried out in solution, is washed till with deionized water or distilled water or hot water after neutrality, is dried；Then, PDMS is loaded：Will cleaning
The melamine sponge crossed is dipped in PDMS alkane solutions, and wherein PDMS accounts for the 5% of alkane quality, and curing agent accounts for PDMS quality
1%, and 80 DEG C of drying, obtain PDMS Supported Melamine sponges；Finally PDMS Supported Melamine sponges are placed at 400 DEG C
Constant temperature 2h, the high temperature cabonization under inert gas shielding are kept in tube furnace, you can obtain PDMS constructing super-drainages melamine sea
Continuous carbon material.
Embodiment 3：
First, the cleaning of melamine sponge：It is 0.1mol L that melamine sponge is dipped in into concentration at 70 DEG C-1Hydrochloric acid
Cleaning 0.5h is carried out in the aqueous solution, is washed till with deionized water or distilled water or hot water after neutrality, is dried；Then, PDMS is loaded：Will
The melamine sponge cleaned is dipped in PDMS alkane solutions, and wherein PDMS accounts for the 0.1% of alkane quality, and curing agent accounts for PDMS's
The 20% of quality, and 40 DEG C of drying, obtain PDMS Supported Melamine sponges；Finally PDMS Supported Melamine sponges are placed in
Constant temperature 0.05h, the high temperature cabonization under inert gas shielding, you can obtain PDMS constructing super-drainages are kept in 900 DEG C of pipe type stoves
Melamine sponge carbon material.
2nd, with reference to specific implementation example, the present invention will be further described：
Adsorbed water body greasy dirt performance evaluation is carried out by the following method in specific embodiment in the present invention：In deionized water
Middle a certain amount of oil of addition, such as low-density oil, high density oil, with the PDMS constructing super-drainage melamine sponge carbon of certain mass
Material carries out greasy dirt adsorption experiment.Its oil absorption n is calculated as follows：
Wherein Mo(g) it is PDMS constructing super-drainage melamine sponge carbon material initial masses respectively and adsorbs full with M (g)
And gross mass.
Experimental example 1：First, 50mL deionized water is gone in beaker, and addition takes 50mL low-density oil (such as thereto
Soybean oil, hexamethylene, octane etc.), 0.1g PDMS constructing super-drainage melamine sponge carbon materials are placed in and mixed equipped with profit
In compound, after saturation to be adsorbed, take out, and claim its quality, oil absorption is can obtain by calculating.As a result show：PDMS is constructed
Super-hydrophobic melamine sponge carbon material has good absorption property to the light oil of water surface.
Experimental example 2：First, 50mL deionized water is gone in beaker, and addition takes 50mL high density oil (such as thereto
Dichloroethanes, carbon tetrachloride etc.), 0.1g PDMS constructing super-drainage melamine sponge carbon materials are placed in equipped with oil mixing with water
Need application external force that sponge is in contact with high density oil in thing, in adsorption process, after saturation to be adsorbed, take out, and claim its matter
Amount, oil absorption is can obtain by calculating.As a result show：PDMS constructing super-drainage melamine sponge carbon materials are to water surface
Light oil there is good absorption property.
Claims (10)
1. an a kind of one-step preparation method of PDMS constructing super-drainages melamine sponge carbon material, it is characterised in that step is as follows：
Step 1, the cleaning of melamine sponge：Melamine sponge is dipped in hydrochloric acid and cleaned, is washed to after neutrality, is dried
It is dry；
Step 2, PDMS loads：The melamine sponge cleaned is dipped in PDMS solution, and dried, PDMS loads three are obtained
Poly cyanamid sponge；
Step 3, preparation PDMS constructing super-drainage melamine sponge carbon materials：PDMS Supported Melamine sponges are placed in tubular type
In stove, the high temperature cabonization under inert gas shielding, you can obtain PDMS constructing super-drainage melamine sponge carbon materials.
2. an a kind of one-step preparation method of PDMS constructing super-drainages melamine sponge carbon material according to claim 1, its
It is characterised by, in step 1, used concentration of hydrochloric acid is 0.1~5mol L-1, soaking temperature is 10~70 DEG C, and soak time is
0.5~5h.
3. an a kind of one-step preparation method of PDMS constructing super-drainages melamine sponge carbon material according to claim 1, its
It is characterised by, in step 1, described washing is to use deionized water or distilled water or hot water wash.
4. an a kind of one-step preparation method of PDMS constructing super-drainages melamine sponge carbon material according to claim 1, its
It is characterised by, in step 1, described drying is at 40~80 DEG C, drying time is 3~8h.
5. an a kind of one-step preparation method of PDMS constructing super-drainages melamine sponge carbon material according to claim 1, its
It is characterised by, in step 2, used PDMS solution is the alkane mixed solution of PDMS and curing agent, and used PDMS is molten
In liquid, PDMS is the 0.1~5% of solvent quality, and curing agent is the 1~20% of PDMS mass.
6. an a kind of one-step preparation method of PDMS constructing super-drainages melamine sponge carbon material according to claim 1, its
It is characterised by, in step 2, used solvent is pentane, hexane, hexamethylene, at least one of octane.
7. an a kind of one-step preparation method of PDMS constructing super-drainages melamine sponge carbon material according to claim 1, its
It is characterised by, in step 2, described drying is at 40~80 DEG C, drying time is 1~3h.
8. an a kind of one-step preparation method of PDMS constructing super-drainages melamine sponge carbon material according to claim 1, its
It is characterised by, in step 3, used inert gas is nitrogen or argon gas.
9. an a kind of one-step preparation method of PDMS constructing super-drainages melamine sponge carbon material according to claim 1, its
It is characterised by, in step 3, the high temperature cabonization temperature is 400~900 DEG C, and the high temperature cabonization time is 0.05~2h.
10. PDMS constructing super-drainage melamine sponges carbon material prepared by the method described in claim 1~9 any one is used
The purposes of greasy dirt in adsorbed water body.
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| CN201710364785.4A CN107159129B (en) | 2017-05-22 | 2017-05-22 | One-step preparation method and application of PDMS (polydimethylsiloxane) constructed super-hydrophobic melamine spongy carbon material |
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| CN201710364785.4A CN107159129B (en) | 2017-05-22 | 2017-05-22 | One-step preparation method and application of PDMS (polydimethylsiloxane) constructed super-hydrophobic melamine spongy carbon material |
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| CN107159129B CN107159129B (en) | 2019-12-31 |
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Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108545797A (en) * | 2018-04-11 | 2018-09-18 | 吉林大学 | A kind of flexible composite and preparation method thereof for sea water desalination |
| CN108546337A (en) * | 2018-05-16 | 2018-09-18 | 中国船舶重工集团公司第七二五研究所 | A kind of organosilicon selfreparing anti-fouling material preparation method |
| CN109337115A (en) * | 2018-08-22 | 2019-02-15 | 北京化工大学 | A kind of halogen-free flameproof organosilicon material and preparation method thereof |
| CN110459752A (en) * | 2019-08-29 | 2019-11-15 | 浙江大学山东工业技术研究院 | A kind of anode material of lithium-ion battery and its preparation method and application |
| CN110453666A (en) * | 2019-08-19 | 2019-11-15 | 中国科学技术大学 | A kind of high temperature resistant conductive porous material preparation method and high temperature resistant spilled-oil recovery unit |
| CN110600278A (en) * | 2019-08-22 | 2019-12-20 | 江苏大学 | Pinecone-shaped MnO2Ball/foam carbon composite material and preparation method thereof |
| CN111167522A (en) * | 2019-12-31 | 2020-05-19 | 青岛科技大学 | Super-hydrophobic CMF-TiO2-PDMS composite material and preparation method and application thereof |
| CN111592683A (en) * | 2020-05-12 | 2020-08-28 | 厦门大学 | Super-hydrophobic oil absorption sponge, preparation method and application thereof |
| CN111849025A (en) * | 2020-07-01 | 2020-10-30 | 武汉工程大学 | Preparation method of melamine sponge with sunlight-controlled oil absorption performance |
| CN115770553A (en) * | 2022-12-30 | 2023-03-10 | 南京大学 | Preparation method of carbon foam microwave growth nano enhanced oil-water separation material |
| CN117903491A (en) * | 2024-03-13 | 2024-04-19 | 西南石油大学 | Benzoxazine modified super-hydrophobic melamine foam and preparation method thereof |
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|---|---|---|---|---|
| CN108545797A (en) * | 2018-04-11 | 2018-09-18 | 吉林大学 | A kind of flexible composite and preparation method thereof for sea water desalination |
| CN108546337A (en) * | 2018-05-16 | 2018-09-18 | 中国船舶重工集团公司第七二五研究所 | A kind of organosilicon selfreparing anti-fouling material preparation method |
| CN109337115B (en) * | 2018-08-22 | 2020-05-26 | 北京化工大学 | Halogen-free flame-retardant organic silicon material and preparation method thereof |
| CN109337115A (en) * | 2018-08-22 | 2019-02-15 | 北京化工大学 | A kind of halogen-free flameproof organosilicon material and preparation method thereof |
| CN110453666A (en) * | 2019-08-19 | 2019-11-15 | 中国科学技术大学 | A kind of high temperature resistant conductive porous material preparation method and high temperature resistant spilled-oil recovery unit |
| CN110600278B (en) * | 2019-08-22 | 2022-03-22 | 江苏大学 | Pinecone-shaped MnO2Ball/foam carbon composite material and preparation method thereof |
| CN110600278A (en) * | 2019-08-22 | 2019-12-20 | 江苏大学 | Pinecone-shaped MnO2Ball/foam carbon composite material and preparation method thereof |
| CN110459752A (en) * | 2019-08-29 | 2019-11-15 | 浙江大学山东工业技术研究院 | A kind of anode material of lithium-ion battery and its preparation method and application |
| CN111167522A (en) * | 2019-12-31 | 2020-05-19 | 青岛科技大学 | Super-hydrophobic CMF-TiO2-PDMS composite material and preparation method and application thereof |
| CN111167522B (en) * | 2019-12-31 | 2021-10-22 | 青岛科技大学 | Super-hydrophobic CMF-TiO2-PDMS composite material and preparation method and application thereof |
| CN111592683A (en) * | 2020-05-12 | 2020-08-28 | 厦门大学 | Super-hydrophobic oil absorption sponge, preparation method and application thereof |
| CN111592683B (en) * | 2020-05-12 | 2021-07-27 | 厦门大学 | Super-hydrophobic oil absorption sponge, preparation method and application thereof |
| CN111849025A (en) * | 2020-07-01 | 2020-10-30 | 武汉工程大学 | Preparation method of melamine sponge with sunlight-controlled oil absorption performance |
| CN111849025B (en) * | 2020-07-01 | 2022-12-20 | 武汉工程大学 | Preparation method of melamine sponge with sunlight-controlled oil absorption performance |
| CN115770553A (en) * | 2022-12-30 | 2023-03-10 | 南京大学 | Preparation method of carbon foam microwave growth nano enhanced oil-water separation material |
| CN117903491A (en) * | 2024-03-13 | 2024-04-19 | 西南石油大学 | Benzoxazine modified super-hydrophobic melamine foam and preparation method thereof |
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