CN111957303B - High-adsorptivity resin and preparation method thereof - Google Patents
High-adsorptivity resin and preparation method thereof Download PDFInfo
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- CN111957303B CN111957303B CN202010775513.5A CN202010775513A CN111957303B CN 111957303 B CN111957303 B CN 111957303B CN 202010775513 A CN202010775513 A CN 202010775513A CN 111957303 B CN111957303 B CN 111957303B
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- 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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- B01J20/264—Synthetic macromolecular compounds derived from different types of monomers, e.g. linear or branched copolymers, block copolymers, graft copolymers
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- C08F212/00—Copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by an aromatic carbocyclic ring
- C08F212/02—Monomers containing only one unsaturated aliphatic radical
- C08F212/04—Monomers containing only one unsaturated aliphatic radical containing one ring
- C08F212/06—Hydrocarbons
- C08F212/08—Styrene
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- C—CHEMISTRY; METALLURGY
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- C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
- C08F220/00—Copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and only one being terminated by only one carboxyl radical or a salt, anhydride ester, amide, imide or nitrile thereof
- C08F220/02—Monocarboxylic acids having less than ten carbon atoms; Derivatives thereof
- C08F220/10—Esters
- C08F220/12—Esters of monohydric alcohols or phenols
- C08F220/16—Esters of monohydric alcohols or phenols of phenols or of alcohols containing two or more carbon atoms
- C08F220/18—Esters of monohydric alcohols or phenols of phenols or of alcohols containing two or more carbon atoms with acrylic or methacrylic acids
- C08F220/1804—C4-(meth)acrylate, e.g. butyl (meth)acrylate, isobutyl (meth)acrylate or tert-butyl (meth)acrylate
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- C08F220/00—Copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and only one being terminated by only one carboxyl radical or a salt, anhydride ester, amide, imide or nitrile thereof
- C08F220/02—Monocarboxylic acids having less than ten carbon atoms; Derivatives thereof
- C08F220/10—Esters
- C08F220/12—Esters of monohydric alcohols or phenols
- C08F220/16—Esters of monohydric alcohols or phenols of phenols or of alcohols containing two or more carbon atoms
- C08F220/18—Esters of monohydric alcohols or phenols of phenols or of alcohols containing two or more carbon atoms with acrylic or methacrylic acids
- C08F220/1808—C8-(meth)acrylate, e.g. isooctyl (meth)acrylate or 2-ethylhexyl (meth)acrylate
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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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- C08J2203/00—Foams characterized by the expanding agent
- C08J2203/14—Saturated hydrocarbons, e.g. butane; Unspecified hydrocarbons
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J2325/00—Characterised by the use of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by an aromatic carbocyclic ring; Derivatives of such polymers
- C08J2325/02—Homopolymers or copolymers of hydrocarbons
- C08J2325/04—Homopolymers or copolymers of styrene
- C08J2325/08—Copolymers of styrene
- C08J2325/14—Copolymers of styrene with unsaturated esters
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- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
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- C08J2333/00—Characterised by the use of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and only one being terminated by only one carboxyl radical, or of salts, anhydrides, esters, amides, imides, or nitriles thereof; Derivatives of such polymers
- C08J2333/04—Characterised by the use of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and only one being terminated by only one carboxyl radical, or of salts, anhydrides, esters, amides, imides, or nitriles thereof; Derivatives of such polymers esters
- C08J2333/06—Characterised by the use of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and only one being terminated by only one carboxyl radical, or of salts, anhydrides, esters, amides, imides, or nitriles thereof; Derivatives of such polymers esters of esters containing only carbon, hydrogen, and oxygen, the oxygen atom being present only as part of the carboxyl radical
- C08J2333/08—Homopolymers or copolymers of acrylic acid esters
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Abstract
The invention discloses a high-adsorbability resin which comprises the following raw material components in parts by weight: 1-15 parts of water, 15-30 parts of methacrylate, 5-15 parts of acrylate, 15-50 parts of acrylate and 10-30 parts of styrene; also comprises a pore-foaming agent and an initiator. The product has the advantages of stable polarity, easy preservation, moderate viscosity, high adsorption rate, high adsorption quantity, good mechanical strength, simple regeneration mode and the like, and can effectively adsorb organic toxic solvents and solve the problem of leakage of the organic toxic solvents. The invention also discloses a preparation method of the high-adsorbability resin, which is simple to operate, safe in preparation process, free of byproduct generation, high in repeatability and beneficial to large-scale preparation. The invention also discloses application of the high-adsorbability resin in organic poison adsorption. The product can be used for the adsorption treatment of organic poisons such as short-chain acetate, benzene compounds, chlorides and the like.
Description
Technical Field
The invention belongs to the field of adsorption resin, and particularly relates to high-adsorbability resin and a preparation method thereof.
Background
With the rapid development of national socioeconomic and chemical industries, the application range of chemicals is more and more extensive, and meanwhile, the environmental pollution caused by oily sewage, waste liquid and industrial accidents such as ethyl acetate leakage is more and more serious. At present, the conventional methods such as an activated carbon adsorption method, a biodegradation method, a flocculation method or a method using an oil dispersant are mainly adopted for treating the oily pollutants, wherein the activated carbon is widely used, but the activated carbon adsorption method has low capacity and short service life. Compared with the traditional treatment method for solving the low-viscosity oil, the high-oil-absorption resin is flexible in structural design, and can modify the polymer resin according to the type of the oil pollutants, so that the adsorption capacity of the high-oil-absorption resin can be greatly improved, the resin type adsorption material can be basically and conveniently regenerated after being used, the cyclic use of the adsorption material and the resource utilization of the pollutants can be simultaneously realized, and the method has a wide application prospect in the field of chemical leakage.
Disclosure of Invention
Based on the defects of the prior art, the invention aims to provide the high-adsorbability resin which has the advantages of high adsorption rate, wide adsorption variety, high adsorption quantity and reusability.
In order to achieve the purpose, the invention adopts the technical scheme that:
the high-adsorptivity resin comprises the following raw material components in parts by weight: 1-15 parts of water, 15-30 parts of methacrylate, 5-15 parts of acrylate, 15-50 parts of acrylate and 10-30 parts of styrene; also comprises a pore-foaming agent and an initiator.
The methacrylate is at least one of butyl methacrylate, methyl methacrylate, lauryl methacrylate and isobutyl methacrylate; the acrylate is at least one of sodium acrylate, potassium acrylate, magnesium acrylate and calcium acrylate; the acrylate is at least one of 2-ethylhexyl acrylate, dimethylaminoethyl acrylate, methyl acrylate, and butyl acrylate.
The high-adsorbability resin disclosed by the invention is simple and cheap in raw material, organic esters such as methacrylate and the like in the raw material can be well compatible and mixed with other components, the polarity is stable, the storage is easy, the viscosity is moderate, the high-adsorbability resin has the advantages of high adsorption rate, high adsorption quantity, good mechanical strength, simple regeneration mode and the like, and can be used for effectively adsorbing an organic toxic solvent and treating the leakage problem of the organic toxic solvent.
Preferably, the porogen is at least one of cyclohexane, n-pentane and acetone.
Preferably, the initiator is at least one of azobisisobutyronitrile and benzoyl peroxide.
Preferably, the raw material component of the high adsorption resin also comprises a dispersant; the dispersant is at least one of sodium oleate, sodium lauryl sulfate, polyvinyl alcohol and sodium dodecyl benzene sulfonate. Preferably, the mass ratio of the dispersing agent, the pore-foaming agent and the initiator to the acrylate is 0.005-0.3: 0.02 to 0.2: 1.
the invention also aims to provide a preparation method of the high-adsorptivity resin.
A preparation method of high-adsorptivity resin comprises the following steps: (1) Mixing methacrylate, acrylate, styrene and a dispersing agent uniformly, adding water, heating to dissolve, and cooling to obtain a clear solution; (2) And (2) adding a pore-foaming agent and an initiator into the clear solution obtained in the step (1), stirring and dissolving, heating for reaction, cooling, filtering, washing and drying to obtain the high-adsorbability resin.
The preparation method of the high-adsorbability resin is simple to operate, safe in preparation process, free of byproduct generation, high in repeatability and beneficial to large-scale preparation.
Preferably, the temperature for heating and dissolving in the step (1) is 35-45 ℃.
Preferably, the heating reaction conditions in step (2) are as follows: firstly heating to 50-60 ℃ and preserving heat for 0.5-2 h, then heating to 65-75 ℃ and preserving heat for 0.5-5 h, and finally heating to 80-90 ℃ and preserving heat for 0.5-5 h.
The invention also aims to provide application of the high-adsorptivity resin in organic poison adsorption.
Preferably, the organic poison comprises low viscosity short chain esters of acetic acid, benzene compounds and chlorides.
The high-adsorbability resin can be used for pertinently adsorbing short-chain esters such as ethyl acetate and the like, organic poisons such as benzene, toluene, carbon tetrachloride and the like, the leakage problem in the actual process is solved, the adsorption process is fast, the adsorption quantity is high, and the treated resin can be continuously reused.
The high-adsorptivity resin has the advantages of simple and cheap raw materials, good compatibility of the raw materials, moderate viscosity, long-term stable storage and use, high adsorption rate, high adsorption quantity, good mechanical strength, simple regeneration mode and the like. The invention also provides a preparation method of the high-adsorbability resin, and the preparation method is simple to operate, safe in process, free of byproduct generation, high in repeatability and beneficial to large-scale preparation. The invention also provides application of the high-adsorbability resin in organic poison adsorption. The high-adsorbability resin can be used for adsorbing short-chain esters such as ethyl acetate and the like, and organic poisons such as benzene, toluene, carbon tetrachloride and the like, and solves the leakage problem in the actual process.
Detailed Description
In order to better illustrate the objects, technical solutions and advantages of the present invention, the present invention will be further described with reference to specific examples and comparative examples. The experimental procedures used in the following examples are all conventional methods unless otherwise specified; the raw materials used are, unless otherwise specified, reagents and materials which are commercially available; the use of alcohols includes isomers thereof.
Example 1
In an embodiment of the present invention, the high adsorption resin comprises the following raw material components in parts by weight: 10 parts of water, 22 parts of butyl methacrylate, 10 parts of sodium acrylate, 35 parts of butyl acrylate, 20 parts of styrene, 1 part of sodium lauryl sulfate, 4 parts of n-pentane and 0.8 part of benzoyl peroxide.
The preparation method of the high-adsorptivity resin comprises the following steps: (1) Uniformly mixing butyl methacrylate, sodium acrylate, butyl acrylate, styrene and sodium lauryl sulfate, adding water, heating to 40 ℃ for dissolving, and cooling to obtain a clear solution; (2) And (2) adding n-pentane and benzoyl peroxide into the clear solution obtained in the step (1), stirring and dissolving, heating to 55 ℃ and preserving heat for 1.5 hours, heating to 70 ℃ and preserving heat for 2 hours, finally heating to 85 ℃ and preserving heat for 2 hours, cooling, filtering, washing and drying to obtain the high-adsorbability resin.
Example 2
In an embodiment of the present invention, the high adsorption resin comprises the following raw material components in parts by weight: 15 parts of water, 19 parts of lauryl methacrylate, 5 parts of sodium acrylate, 40 parts of butyl acrylate, 20 parts of styrene, 1 part of sodium lauryl sulfate, 4 parts of n-pentane and 0.8 part of benzoyl peroxide.
The preparation method of the high-adsorptivity resin comprises the following steps: (1) Uniformly mixing lauryl methacrylate, sodium acrylate, butyl acrylate, styrene and sodium lauryl sulfate, adding water, heating to 40 ℃ for dissolving, and cooling to obtain a clear solution; (2) And (2) adding n-pentane and benzoyl peroxide into the clear solution obtained in the step (1), stirring and dissolving, heating to 60 ℃, keeping the temperature for 1h, heating to 70 ℃, keeping the temperature for 1.5h, heating to 90 ℃ and keeping the temperature for 3h, cooling, filtering, washing and drying to obtain the high-adsorbability resin.
Example 3
In one embodiment of the present invention, the high adsorption resin comprises the following raw material components in parts by weight: 14 parts of water, 15 parts of butyl methacrylate, 5 parts of sodium acrylate, 40 parts of 2-ethylhexyl acrylate, 25 parts of styrene, 1 part of sodium oleate, 1 part of cyclohexane and 1 part of azobisisobutyronitrile.
The preparation method of the high-adsorptivity resin comprises the following steps: (1) Uniformly mixing butyl methacrylate, sodium acrylate, 2-ethylhexyl acrylate, styrene and sodium oleate, adding water, heating to 40 ℃ for dissolving, and cooling to obtain a clear solution; (2) Adding cyclohexane and azobisisobutyronitrile into the clear solution obtained in the step (1), stirring and dissolving, heating to 60 ℃, keeping the temperature for 0.5h, heating to 70 ℃, keeping the temperature for 2h, finally heating to 90 ℃, keeping the temperature for 2h, cooling, filtering, washing and drying to obtain the high-adsorbability resin.
Example 4
In an embodiment of the present invention, the high adsorption resin comprises the following raw material components in parts by weight: 15 parts of water, 15 parts of lauryl methacrylate, 4 parts of butyl methacrylate, 5 parts of sodium acrylate, 40 parts of butyl acrylate, 20 parts of styrene, 1 part of polyvinyl alcohol, 1 part of n-pentane and 1 part of benzoyl peroxide.
The preparation method of the high-adsorptivity resin comprises the following steps: (1) Uniformly mixing lauryl methacrylate, butyl methacrylate, sodium acrylate, butyl acrylate, styrene and polyvinyl alcohol, adding water, heating to 40 ℃ for dissolving, and cooling to obtain a clear solution; (2) And (2) adding n-pentane and benzoyl peroxide into the clear solution obtained in the step (1), stirring and dissolving, heating to 60 ℃, keeping the temperature for 1h, heating to 70 ℃, keeping the temperature for 1.5h, heating to 90 ℃ and keeping the temperature for 3h, cooling, filtering, washing and drying to obtain the high-adsorbability resin.
Example 5
In an embodiment of the present invention, the high adsorption resin comprises the following raw material components in parts by weight: 15 parts of water, 15 parts of lauryl methacrylate, 3 parts of butyl methacrylate, 3 parts of methyl methacrylate, 5 parts of sodium acrylate, 37 parts of butyl acrylate, 19 parts of styrene, 1 part of sodium dodecyl benzene sulfonate, 1 part of cyclohexane and 1 part of azobisisobutyronitrile.
The preparation method of the high adsorption resin comprises the following steps: (1) Uniformly mixing lauryl methacrylate, butyl methacrylate, methyl methacrylate, sodium acrylate, butyl acrylate, styrene and sodium dodecyl benzene sulfonate, adding water, heating to 40 ℃ for dissolving, and cooling to obtain a clear solution; (2) Adding cyclohexane and azobisisobutyronitrile into the clear solution obtained in the step (1), stirring and dissolving, heating to 50 ℃ and keeping the temperature for 0.5h, then heating to 70 ℃ and keeping the temperature for 2.5h, finally heating to 80 ℃ and keeping the temperature for 2h, cooling, filtering, washing and drying to obtain the high-adsorbability resin.
Example 6
In an embodiment of the present invention, the high adsorption resin comprises the following raw material components in parts by weight: 15 parts of water, 15 parts of lauryl methacrylate, 5 parts of sodium acrylate, 41 parts of butyl acrylate, 22 parts of styrene, 2 parts of sodium dodecyl benzene sulfonate, 1 part of cyclohexane and 1 part of azobisisobutyronitrile.
The preparation method of the high-adsorptivity resin comprises the following steps: (1) Uniformly mixing lauryl methacrylate, sodium acrylate, butyl acrylate, styrene and sodium dodecyl benzene sulfonate, adding water, heating to 40 ℃ for dissolving, and cooling to obtain a clear solution; (2) Adding cyclohexane and azobisisobutyronitrile into the clear solution obtained in the step (1), stirring and dissolving, heating to 50 ℃ and keeping the temperature for 0.5h, then heating to 70 ℃ and keeping the temperature for 2.5h, finally heating to 80 ℃ and keeping the temperature for 3h, cooling, filtering, washing and drying to obtain the high-adsorbability resin.
Comparative example 1
Comparative example 1 differs from example 1 only in that: the amount of water added to the resin raw material components described in this comparative example was 30 parts.
Comparative example 2
Comparative example 2 differs from example 1 only in that: the amount of butyl methacrylate added to the resin raw material components described in this comparative example was 50 parts.
Comparative example 3
Comparative example 3 differs from example 1 only in that: the amount of sodium acrylate added to the resin raw material composition described in this comparative example was 30 parts.
Comparative example 4
Comparative example 4 differs from example 1 only in that: the addition amount of butyl acrylate in the resin raw material component in the comparative example is 5 parts
Comparative example 5
Comparative example 5 differs from example 4 only in the component raw materials: methyl crotonate is used to replace butyl acrylate, and the added parts are unchanged.
Comparative example 6
Comparative example 6 differs from example 4 only in that the comparative resin was prepared by the steps of: (1) Uniformly mixing lauryl methacrylate, butyl methacrylate, sodium acrylate, butyl acrylate, styrene and polyvinyl alcohol, adding water, heating to 40 ℃ for dissolving, and cooling to obtain a clear solution; (2) And (2) adding n-pentane and benzoyl peroxide into the clear solution obtained in the step (1), stirring and dissolving, heating to 90 ℃, keeping the temperature for 5.5 hours, cooling, filtering, washing and drying to obtain the high-adsorbability resin.
The high-adsorption resins prepared in examples 1 to 3 and the resins prepared in comparative examples 1 to 4 were subjected to a low-viscosity short-chain acetate adsorption test, and the high-adsorption resins prepared in examples 4 to 6 and the resins prepared in comparative examples 5 to 6 were subjected to an organic solvent adsorption test. The low-viscosity short-chain acetate is selected from representative substances of ethyl acetate and butyl acetate, and the organic solvent is selected from representative toxic substances of benzene, toluene and carbon tetrachloride. And after the first adsorption is finished, the resin is regenerated, and the cyclic adsorption experiment is continued until the adsorption rate is lower than 60% of the first adsorption rate, and the number of times of repeated use is counted. The regeneration steps are as follows: steam regeneration is carried out at the temperature of 100-200 ℃, and the steam temperature is selected according to the boiling point of the organic solvent; since the boiling points of benzene, carbon tetrachloride and the like are lower than 85 ℃, steam regeneration at 120 ℃ is selected in the present embodiment/comparative example. The results of the adsorption test are shown in tables 1 and 2.
TABLE 1
TABLE 2
According to the test results in tables 1 and 2, the organic resin prepared by the embodiment of the invention can effectively adsorb ester substances and organic solvent substances, and has high adsorption rate. Meanwhile, the regenerated high-adsorbability resin can be reused, the use frequency reaches more than 5 times, and the practicability is high. The results of the test on the adsorption performance of the high-adsorption resin prepared in the examples 1 to 6 are superior to those of the resin products prepared in the comparative examples 1 to 6 and the common resin products, which shows that the high-efficiency adsorption resin for adsorbing organic toxicants can be prepared only under the conditions of the raw material ratio and the preparation parameters defined by the invention.
Finally, it should be noted that the above embodiments are only used for illustrating the technical solutions of the present invention and not for limiting the protection scope of the present invention, and although the present invention is described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that modifications or equivalent substitutions can be made on the technical solutions of the present invention without departing from the spirit and scope of the technical solutions of the present invention.
Claims (6)
1. The high-adsorbability resin is characterized by comprising the following raw material components in parts by weight: 1 to 15 parts of water, 15 to 30 parts of methacrylate, 5 to 15 parts of acrylate, 15 to 50 parts of acrylate and 10 to 30 parts of styrene; also comprises a dispersant, a pore-foaming agent and an initiator.
The methacrylate is at least one of butyl methacrylate, methyl methacrylate, dodecyl methacrylate and isobutyl methacrylate; the acrylate is at least one of sodium acrylate, potassium acrylate, magnesium acrylate and calcium acrylate; the acrylate is at least one of 2-ethylhexyl acrylate, dimethylaminoethyl acrylate, methyl acrylate and butyl acrylate; the pore-foaming agent is at least one of cyclohexane, n-pentane and acetone;
the preparation method of the high-adsorptivity resin comprises the following steps of: (1) Uniformly mixing methacrylate, acrylate, styrene and a dispersing agent, adding water, heating to dissolve, and cooling to obtain a clear solution; (2) Adding a pore-foaming agent and an initiator into the clear solution obtained in the step (1), stirring and dissolving, heating for reaction, cooling, filtering, washing and drying to obtain the high-adsorbability resin; the conditions of the heating reaction are as follows: heating to 50-60 ℃ and preserving heat for 0.5-2h, heating to 65-75 ℃ and preserving heat for 0.5-5h, and finally heating to 80-90 ℃ and preserving heat for 0.5-5h.
2. The resin according to claim 1, wherein the initiator is at least one of azobisisobutyronitrile and benzoyl peroxide.
3. The high adsorbent resin of claim 1, wherein the dispersant is at least one of sodium oleate, sodium lauryl sulfate, polyvinyl alcohol and sodium dodecylbenzenesulfonate.
4. The resin with high adsorptivity according to claim 3, wherein the mass ratio of the dispersing agent, the pore-forming agent, the initiator and the acrylate is 0.005 to 0.3.
5. The resin with high adsorptivity according to claim 1, wherein the temperature for dissolving by heating in step (1) is from 35 ℃ to 45 ℃.
6. The use of the high sorption resin of claim 1~5 in the sorption of an organic poison, wherein the organic poison comprises short chain esters of acetic acid, benzene compounds and chlorides.
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2001060513A1 (en) * | 2000-02-16 | 2001-08-23 | Sekisui Chemical Co., Ltd. | Hydrophobic substance adsorbents |
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| JP2001300307A (en) * | 2000-02-16 | 2001-10-30 | Sekisui Chem Co Ltd | Volatile organic compound adsorbent |
| CN101215355A (en) * | 2008-01-09 | 2008-07-09 | 苏州大学 | High oil absorption resin and synthetic method thereof |
| CN102453296A (en) * | 2010-10-25 | 2012-05-16 | 中国石油化工股份有限公司 | High oil absorption resin with semi-interpenetrating polymer network structure and its preparation method |
| CN107903351A (en) * | 2017-11-25 | 2018-04-13 | 长沙秋点兵信息科技有限公司 | A kind of preparation method of plant flavone extraction absorption resin |
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