CN115282923A - Modified silica gel material convenient to clean and preparation method thereof - Google Patents
Modified silica gel material convenient to clean and preparation method thereof Download PDFInfo
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- CN115282923A CN115282923A CN202210789060.0A CN202210789060A CN115282923A CN 115282923 A CN115282923 A CN 115282923A CN 202210789060 A CN202210789060 A CN 202210789060A CN 115282923 A CN115282923 A CN 115282923A
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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
- B01J20/10—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof comprising inorganic material comprising silica or silicate
- B01J20/103—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof comprising inorganic material comprising silica or silicate comprising silica
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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
- B01J20/30—Processes for preparing, regenerating, or reactivating
- B01J20/3071—Washing or leaching
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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
- B01J20/30—Processes for preparing, regenerating, or reactivating
- B01J20/3085—Chemical treatments not covered by groups B01J20/3007 - B01J20/3078
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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
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/30—Hydrogen technology
- Y02E60/36—Hydrogen production from non-carbon containing sources, e.g. by water electrolysis
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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
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P20/00—Technologies relating to chemical industry
- Y02P20/50—Improvements relating to the production of bulk chemicals
- Y02P20/54—Improvements relating to the production of bulk chemicals using solvents, e.g. supercritical solvents or ionic liquids
Abstract
The invention provides a modified silica gel material convenient to clean and a preparation method thereof, which are applied to the technical field of silica gel; processing the modified silica gel material prepared by using a preset formula; cleaning the modified silica gel material by using ionized water for a preset time period to obtain the cleaned modified silica gel material; stirring and removing impurities of the cleaned modified silica gel material in a reaction kettle for a preset time period to obtain the modified silica gel material after impurity removal; placing the modified silica gel material subjected to impurity removal in a filter press for filtering for a preset time period to obtain a filtered modified silica gel material; standing the filtered modified silica gel material for a preset time period, and placing the modified silica gel material in a dryer for drying for the preset time period after standing to obtain a dried modified silica gel material; and adding the dried modified silica gel material into a container with a preset silicate solution for soaking for a preset time period to obtain the prepared modified silica gel.
Description
Technical Field
The invention relates to the technical field of silica gel, in particular to a modified silica gel material convenient to clean and a preparation method thereof.
Background
Silica gel is a high-activity adsorption material, belongs to an environment-friendly material, is an amorphous substance, has good adsorption performance, good thermal stability, stable chemical property, strong mechanical strength and the like, is insoluble in solvents such as water and the like, and is nontoxic and tasteless.
Because of the excellent performance, the silica gel is widely applied to the fields of buildings, electronics and electrics, textiles, automobiles, machinery, leather papermaking, chemical engineering and light industry, metals, paints, foods, medical treatment, health care products and the like; the silica gel has good elasticity, so that a good shock absorption effect is brought, and the lack of substances which can generate specific biological, chemical or physical effects, such as negative ions, infrared rays and other substances beneficial to the human body, is essential.
In addition, although the existing silica gel products have a certain adsorption effect and can play a role in slight cleaning and deodorization and air purification, after the silica gel materials are cleaned, the bodies of the silica gel materials are not easy to clean, so that most of the silica gel materials for cleaning can only be used for one-time cleaning and then are discarded.
Disclosure of Invention
The invention aims to solve the problem that a body of a silica gel material is not easy to clean after the silica gel material is cleaned, and provides a modified silica gel material convenient to clean and a preparation method thereof.
The invention adopts the following technical means for solving the technical problems:
the invention provides a preparation method of a modified silica gel material convenient to clean, which comprises the following steps:
s1: selecting materials, and processing the modified silica gel material prepared by using a preset formula;
s2: washing, namely washing the modified silica gel material by adopting preset ionized water for a preset time period to obtain the washed modified silica gel material;
s3: removing impurities, namely stirring and removing the impurities of the cleaned modified silica gel material for a preset time period by adopting a preset reaction kettle to obtain the modified silica gel material after the impurities are removed;
s4: filtering, namely placing the modified silica gel material subjected to impurity removal in a preset filter press for filtering for a preset time period to obtain the modified silica gel material subjected to filtering;
s5: drying, namely standing the filtered modified silica gel material for a preset time period, and placing the modified silica gel material in a preset dryer for drying for the preset time period after standing to obtain the dried modified silica gel material;
s6: and (3) soaking, namely adding the dried modified silica gel material into a container with a preset silicate solution for soaking for a preset time period to obtain the prepared modified silica gel.
Further, in step S2 of cleaning the modified silica gel material with a preset ionized water for a preset time period, the preparation process of the ionized water includes:
adding medium water into a preset anode electrode end;
introducing oxygen into the end of a preset cathode electrode plate;
connecting the anode electrode plate end and the cathode electrode plate end with an external power supply to form an electrolysis path;
the medium water is decomposed into product O on the anode electrode plate end through electrolytic reaction 2- And H + Said product O 2- Discharging through a water outlet on the end of the anode electrode plate;
said H + Reaches the cathode through the cathode electrode plate end, and is combined with the introduced oxygen to generate a product H 2 O, the product H 2 O is discharged through an exhaust port on the cathode end plate and then can be collected to obtain H 2 And O is ionized water.
Further, the step S2 of cleaning the modified silica gel material with preset ionized water for a preset time period to obtain a cleaned modified silica gel material further includes:
the time period of the cleaning is specifically set to be 1-2h.
Further, adopt predetermined reation kettle right the modified silica gel material that finishes washing carries out the stirring edulcoration of predetermineeing the time quantum, in the step S3 that obtains the modified silica gel material that finishes removing the impurity, still include:
the time period for stirring and impurity removal is specifically set to be 3-5h.
Further, the step S4 of placing the modified silica gel material after impurity removal in a preset filter press for filtering for a preset time period to obtain the modified silica gel material after filtering further comprises:
the filtering time period is specifically set to be 15-30min.
Further, in step S5, subjecting the filtered modified silica gel material to a waiting time of a preset time period, the method further includes:
the time period of the quiet waiting is specifically set to be 45-60min.
Further, after waiting, placing the silica gel material in a preset dryer for drying for a preset time period, and in step S5, obtaining the dried modified silica gel material, the method further comprises:
the drying time period is specifically set to be 1-3h.
Further, the step S6 of adding the dried modified silica gel material into a container with a preset silicate solution to soak for a preset time period to obtain the prepared modified silica gel further includes:
the soaking time period is specifically set to be 5-10h.
The invention also provides a modified silica gel material convenient to clean, which comprises the following raw materials in parts by weight:
1-3 parts of silicon dioxide;
1-5 parts of a silane coupling agent;
1-5 parts of a hydrophilic polymer;
5-10 parts of water glass;
1-3 parts of methyl methacrylate;
1-3 parts of polylactic acid;
7-8 parts of activated silica gel dispersing agent.
Further, the silane coupling agent is at least one of vinyltrimethoxysilane, vinyltriethoxysilane or vinyltris (beta-methoxyethoxy) silane.
Further, the hydrophilic polymer is at least one of polyacrylic acid, polyacrylamide or polyvinyl alcohol.
Further, each part of the activated silica gel dispersing agent comprises the following raw materials in parts by weight:
30-40 parts of isooctyl acrylate;
10-13 parts of triethylamine.
The invention provides a modified silica gel material convenient to clean and a preparation method thereof, and the modified silica gel material has the following beneficial effects:
according to the invention, the dried modified silica gel material is placed in the silicate solution for soaking, and dirt on the modified silica gel material for cleaning is adsorbed by chemical adsorption, so that the practicability of the modified silica gel material for cleaning is effectively increased.
Drawings
FIG. 1 is a schematic flow chart of an embodiment of the method for preparing a modified silica gel material in a clean manner according to the present invention.
Detailed Description
It is to be understood that the specific embodiments described herein are merely illustrative of the invention and are not to be considered as limiting thereof, since the objects, features and advantages thereof will be further described with reference to the accompanying drawings.
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to the attached drawing 1, a preparation method of a modified silica gel material convenient to clean in one embodiment of the invention comprises the following steps:
s1: selecting materials, and processing the modified silica gel material prepared by using a preset formula;
s2: washing, namely washing the modified silica gel material by adopting preset ionized water for a preset time period to obtain the washed modified silica gel material;
s3: removing impurities, namely stirring and removing the impurities of the cleaned modified silica gel material for a preset time period by adopting a preset reaction kettle to obtain the modified silica gel material after the impurities are removed;
s4: filtering, namely placing the modified silica gel material subjected to impurity removal in a preset filter press for filtering for a preset time period to obtain a filtered modified silica gel material;
s5: drying, namely standing the filtered modified silica gel material for a preset time period, and placing the modified silica gel material in a preset dryer for drying for the preset time period after standing to obtain a dried modified silica gel material;
s6: and (3) soaking, namely adding the dried modified silica gel material into a container with a preset silicate solution for soaking for a preset time period to obtain the prepared modified silica gel.
In the embodiment, a modified silica gel material obtained by applying a conveniently-cleaned modified silica gel material is processed, and deionized water is firstly prepared to wash the modified silica gel material, wherein the deionized water is prepared by adding medium water into an anode electrode end; introducing oxygen at the cathode electrode plate end; connecting the anode electrode plate end and the cathode electrode plate end with an external power supply to form an electrolysis path; the medium water is decomposed into product O on the anode electrode plate end through electrolytic reaction 2- And H + Product O 2- Discharging through a water outlet on the anode electrode plate end; h + Reaches the cathode through the cathode electrode plate end and is combined with the introduced oxygen to generate a product H 2 O, product H 2 The O is discharged through an exhaust port on the cathode end plate and then can be collected to obtain H 2 O ionized water, i.e. deionized water.
Then, continuously washing the modified silica gel material for 1-2h by using deionized water to obtain the washed modified silica gel material; the washing function is to clean the dirt on the surface layer of the prepared silica gel, which can be impacted by water, and the deionized water can find out the dirt and the negative ions such as solid particles to make up for the missing part, so that the dirt can be effectively removed from the surface to ensure the cleanness of the modified silica gel material.
Then, putting the cleaned modified silica gel material into a reaction kettle, and removing impurities by stirring, wherein the stirring time is set to be 3-5h, so as to obtain the modified silica gel material after the impurities are removed; the advantage of adopting reation kettle to carry out the edulcoration to modified silica gel material lies in the dirt that can't be clear through the deionized water in with modified silica gel material, clears away through the reation kettle stirring, has further guaranteed modified silica gel material's cleanness.
Placing the modified silica gel material subjected to impurity removal into a filter press for filtering for 15-30min to obtain a filtered modified silica gel material; the advantage of adopting a filter press to filter the modified silica gel material is that unclean modified silica gel raw materials can bring uncontrollable influence to the production process, and produced dirty spots can influence the qualified rate of silica gel material products, so that the modified silica gel material needs to be filtered; standing for 45-60min, drying in a dryer for 1-3h; the modified silica gel material is dried by the dryer, so that the prepared modified silica gel material is not easy to grow by various miscellaneous fungi, and the modified silica gel product is protected.
Soaking the dried modified silica gel material in a container with silicate solution for 5-10h to obtain the prepared modified silica gel; the modified silica gel material is soaked in the silicate solution container, and the diatomite (the silicate after diatom death) can chemically adsorb silica gel, namely, chemical bonding of atoms on the solid surface is not completely saturated by adjacent atoms, and the diatom death is still capable of forming chemical bonds, so that electron transfer can occur between the adsorbent and the adsorbent to form chemical bonds, that is, the surface layer of the silica gel is attached with dirt adsorption capacity, and meanwhile, the adsorbed dirt can be directly cleaned by tap water, and the cleaning function of the silica gel material product is effectively improved.
Example 1
In the embodiment, a modified silica gel material obtained by applying a conveniently-cleaned modified silica gel material is processed, and deionized water is firstly prepared to wash the modified silica gel material, wherein the deionized water is prepared by adding medium water into an anode electrode end; introducing oxygen at the cathode electrode plate end; connecting the anode electrode plate end and the cathode electrode plate end with an external power supply to form an electrolysis channel; the medium water is decomposed into product O on the anode electrode plate end through electrolytic reaction 2- And H + Product O 2- Is discharged through a water outlet on the end of the anode electrode plate; h + Reaches the cathode through the cathode electrode plate end and is combined with the introduced oxygen to generate a product H 2 O, product H 2 The O is discharged through an exhaust port on the cathode end plate and then can be collected to obtain H 2 O ionized water, i.e. deionized water.
Then, continuously washing the modified silica gel material for 1h by using deionized water to obtain the cleaned modified silica gel material; the washing function is to clean dirt which can be impacted by water and is arranged on the surface layer of the prepared silica gel, and because the deionized water can find out the dirt and negative ions such as solid particles and the like to make up for the missing part, the dirt can be effectively removed from the surface to ensure the cleanness of the modified silica gel material; then, putting the cleaned modified silica gel material into a reaction kettle, and removing impurities by stirring, wherein the stirring time is set to be 3-5h, so as to obtain the modified silica gel material after the impurities are removed; the advantage of adopting reation kettle to carry out the edulcoration to modified silica gel material lies in can't clear dirt through the deionized water in the modified silica gel material, clears away through the reation kettle stirring, has further guaranteed the cleanness of modified silica gel material.
Placing the modified silica gel material subjected to impurity removal into a filter press for filtering for 15-30min to obtain a filtered modified silica gel material; the advantage of adopting a filter press to filter the modified silica gel material is that the unclean modified silica gel raw material can bring an effect on the production process which is difficult to control, and the produced dirty spots can affect the qualification rate of the silica gel material product, so the modified silica gel material needs to be filtered; standing for 45-60min, drying in a drier for 1-3 hr; the modified silica gel material is dried by the dryer, so that the prepared modified silica gel material is not easy to grow by various miscellaneous fungi, and the modified silica gel product is protected.
Soaking the dried modified silica gel material in a container with silicate solution for 5-10h to obtain the prepared modified silica gel; the modified silica gel material is soaked in the silicate solution container, and the diatomite (silicate obtained after diatom death) can adsorb silica gel chemically, i.e., chemical combination of atoms on the solid surface is not completely saturated by adjacent atoms, and the atoms still have the capacity to form chemical bonds, so that electron transfer can occur between the adsorbent and the adsorbent to form chemical bonds, that is, the surface layer of the silica gel is attached with the capacity of adsorbing dirt, and meanwhile, the adsorbed dirt can be directly cleaned by tap water, and the cleaning function of the silica gel material product is effectively improved.
The prepared modified silica gel product has the advantages that the washing time is right, so that the surface layer of the modified silica gel is clean like jade, and the attractiveness of the modified silica gel product is improved.
Example 2
In the embodiment, a modified silica gel material obtained by applying a conveniently-cleaned modified silica gel material is processed, and deionized water is firstly prepared to wash the modified silica gel material, wherein the deionized water is prepared by adding medium water into an anode electrode end; introducing oxygen at the cathode electrode plate end; connecting the anode electrode plate end and the cathode electrode plate end with an external power supply to form an electrolysis path; the medium water is decomposed into a product O on the anode electrode plate end through electrolytic reaction 2- And H + Product O 2- Discharging through a water outlet on the anode electrode plate end; h + Reaches the cathode through the cathode electrode plate end and is combined with the introduced oxygen to generate a product H 2 O, product H 2 O is discharged through an exhaust port on the cathode end plate and then can be collected to obtain H 2 O ionized water, i.e. deionized water.
Then, continuously washing the modified silica gel material for 1h by using deionized water to obtain the washed modified silica gel material; the washing has the function of cleaning dirt which is arranged on the surface layer of the prepared silica gel and can be impacted by water, and because the deionized water can find out the dirt, solid particles and other negative ions to make up for the missing part, the dirt can be effectively removed from the surface to ensure the cleanness of the modified silica gel material; then, the cleaned modified silica gel material is placed into a reaction kettle to be stirred for impurity removal, and the stirring time is set to be 3 hours, so that the modified silica gel material after impurity removal is obtained; the advantage of adopting reation kettle to carry out the edulcoration to modified silica gel material lies in can't clear dirt through the deionized water in the modified silica gel material, clears away through the reation kettle stirring, has further guaranteed the cleanness of modified silica gel material.
Placing the modified silica gel material subjected to impurity removal into a filter press for filtering for 15-30min to obtain a filtered modified silica gel material; the advantage of adopting a filter press to filter the modified silica gel material is that unclean modified silica gel raw materials can bring uncontrollable influence to the production process, and produced dirty spots can influence the qualified rate of silica gel material products, so that the modified silica gel material needs to be filtered; standing for 45-60min, drying in a drier for 1-3 hr; the modified silica gel material is dried by the dryer, so that the prepared modified silica gel material is not easy to grow by various miscellaneous fungi, and the modified silica gel product is protected.
Soaking the dried modified silica gel material in a container with silicate solution for 5-10h to obtain the prepared modified silica gel; the modified silica gel material is soaked in the silicate solution container, so that the diatomite (the silicate after diatom death) can chemically adsorb silica gel, namely, chemical bonding of atoms on the solid surface is not completely saturated by adjacent atoms, and chemical bonds still can be formed, and electron transfer can possibly occur between the adsorbent and the adsorbent to form the chemical bonds, so that the surface layer of the silica gel is attached with dirt adsorption capacity, and meanwhile, the adsorbed dirt can be directly washed away by tap water, and the cleaning function of the silica gel material product is effectively improved.
The prepared modified silica gel product has the advantages that the washing time is right, and the stirring and impurity removing time for the modified silica gel product is right, so that the surface layer of the modified silica gel is clean like jade, and the attractiveness of the modified silica gel product is improved.
Example 3
In this example, a modified silica gel material obtained by using a modified silica gel material which is easy to clean was first processedFirstly, preparing deionized water to wash the modified silica gel material, wherein the deionized water is prepared by adding medium water into the end of an anode electrode; introducing oxygen at the cathode electrode plate end; connecting the anode electrode plate end and the cathode electrode plate end with an external power supply to form an electrolysis channel; the medium water is decomposed into a product O on the anode electrode plate end through electrolytic reaction 2- And H + Product O 2- Discharging through a water outlet on the anode electrode plate end; h + Reaches the cathode through the cathode electrode plate end and is combined with the introduced oxygen to generate a product H 2 O, product H 2 The O is discharged through an exhaust port on the cathode end plate and then can be collected to obtain H 2 O ionized water, i.e., deionized water.
Then, continuously washing the modified silica gel material for 1h by using deionized water to obtain the washed modified silica gel material; the washing function is to clean dirt which can be impacted by water and is arranged on the surface layer of the prepared silica gel, and because the deionized water can find out the dirt and negative ions such as solid particles and the like to make up for the missing part, the dirt can be effectively removed from the surface to ensure the cleanness of the modified silica gel material; then, the cleaned modified silica gel material is placed into a reaction kettle to be stirred for impurity removal, and the stirring time is set to be 3 hours, so that the modified silica gel material after impurity removal is obtained; the advantage of adopting reation kettle to carry out the edulcoration to modified silica gel material lies in can't clear dirt through the deionized water in the modified silica gel material, clears away through the reation kettle stirring, has further guaranteed the cleanness of modified silica gel material.
Placing the modified silica gel material subjected to impurity removal into a filter press for filtering for 15min to obtain a filtered modified silica gel material; the advantage of adopting a filter press to filter the modified silica gel material is that the unclean modified silica gel raw material can bring an effect on the production process which is difficult to control, and the produced dirty spots can affect the qualification rate of the silica gel material product, so the modified silica gel material needs to be filtered; standing for 45-60min, drying in a drier for 1-3 hr; the dryer is adopted to dry the modified silica gel material, so that the prepared modified silica gel material is not easy to grow by various miscellaneous mildews, and a modified silica gel product is protected.
Soaking the dried modified silica gel material in a container with silicate solution for 5-10h to obtain the prepared modified silica gel; the modified silica gel material is soaked in the silicate solution container, and the diatomite (silicate obtained after diatom death) can adsorb silica gel chemically, i.e., chemical combination of atoms on the solid surface is not completely saturated by adjacent atoms, and the atoms still have the capacity to form chemical bonds, so that electron transfer can occur between the adsorbent and the adsorbent to form chemical bonds, that is, the surface layer of the silica gel is attached with the capacity of adsorbing dirt, and meanwhile, the adsorbed dirt can be directly cleaned by tap water, and the cleaning function of the silica gel material product is effectively improved.
The prepared modified silica gel product has the advantages that the washing time is right, and the stirring and impurity removing time for the modified silica gel product is right, so that the surface layer of the modified silica gel is clean like jade, and the attractiveness of the modified silica gel product is improved; and the filter time of the modified silica gel product is mastered exactly, so that the qualification rate of the produced modified silica gel product is increased.
Example 4
In the embodiment, a modified silica gel material obtained by applying a conveniently-cleaned modified silica gel material is processed, and deionized water is firstly prepared to wash the modified silica gel material, wherein the deionized water is prepared by adding medium water into an anode electrode end; introducing oxygen at the cathode electrode plate end; connecting the anode electrode plate end and the cathode electrode plate end with an external power supply to form an electrolysis channel; the medium water is decomposed into product O on the anode electrode plate end through electrolytic reaction 2- And H + Product O 2- Is discharged through a water outlet on the end of the anode electrode plate; h + Reaches the cathode through the cathode electrode plate end and is combined with the introduced oxygen to generate a product H 2 O, product H 2 The O is discharged through an exhaust port on the cathode end plate and then can be collected to obtain H 2 O ionized water, i.e. deionized water.
Then, continuously washing the modified silica gel material for 1h by using deionized water to obtain the washed modified silica gel material; the washing has the function of cleaning dirt which is arranged on the surface layer of the prepared silica gel and can be impacted by water, and because the deionized water can find out the dirt, solid particles and other negative ions to make up for the missing part, the dirt can be effectively removed from the surface to ensure the cleanness of the modified silica gel material; then, the cleaned modified silica gel material is placed into a reaction kettle to be stirred for impurity removal, and the stirring time is set to be 3 hours, so that the modified silica gel material after impurity removal is obtained; the advantage of adopting reation kettle to carry out the edulcoration to modified silica gel material lies in the dirt that can't be clear through the deionized water in with modified silica gel material, clears away through the reation kettle stirring, has further guaranteed modified silica gel material's cleanness.
Placing the modified silica gel material subjected to impurity removal into a filter press for filtering for 15min to obtain a filtered modified silica gel material; the advantage of adopting a filter press to filter the modified silica gel material is that the unclean modified silica gel raw material can bring an effect on the production process which is difficult to control, and the produced dirty spots can affect the qualification rate of the silica gel material product, so the modified silica gel material needs to be filtered; standing the filtered modified silica gel material for 45min, and drying the standing modified silica gel material in a dryer for 1h; the modified silica gel material is dried by the dryer, so that the prepared modified silica gel material is not easy to grow by various miscellaneous fungi, and the modified silica gel product is protected.
Soaking the dried modified silica gel material in a container with silicate solution for 5-10h to obtain the prepared modified silica gel; the modified silica gel material is soaked in the silicate solution container, so that the diatomite (the silicate after diatom death) can chemically adsorb silica gel, namely, chemical bonding of atoms on the solid surface is not completely saturated by adjacent atoms, and chemical bonds still can be formed, and electron transfer can possibly occur between the adsorbent and the adsorbent to form the chemical bonds, so that the surface layer of the silica gel is attached with dirt adsorption capacity, and meanwhile, the adsorbed dirt can be directly washed away by tap water, and the cleaning function of the silica gel material product is effectively improved.
The prepared modified silica gel product has the advantages that the washing time is right, and the stirring and impurity removing time for the modified silica gel product is right, so that the surface layer of the modified silica gel is clean like jade, and the attractiveness of the modified silica gel product is improved; moreover, the qualified rate of the produced modified silica gel product is increased due to the fact that the filtering time of the modified silica gel product is mastered exactly; because the drying time is moderate, the produced silica gel product has no any miscellaneous mould, and the qualification rate of the modified silica gel product is improved.
Example 5
In the embodiment, a modified silica gel material obtained by applying a conveniently-cleaned modified silica gel material is processed, and deionized water is firstly prepared to wash the modified silica gel material, wherein the deionized water is prepared by adding medium water into an anode electrode end; introducing oxygen at the cathode electrode plate end; connecting the anode electrode plate end and the cathode electrode plate end with an external power supply to form an electrolysis channel; the medium water is decomposed into a product O on the anode electrode plate end through electrolytic reaction 2- And H + Product O 2- Discharging through a water outlet on the anode electrode plate end; h + Reaches the cathode through the cathode electrode plate end and is combined with the introduced oxygen to generate a product H 2 O, product H 2 The O is discharged through an exhaust port on the cathode end plate and then can be collected to obtain H 2 O ionized water, i.e., deionized water.
Then, continuously washing the modified silica gel material for 1h by using deionized water to obtain the washed modified silica gel material; the washing has the function of cleaning dirt which is arranged on the surface layer of the prepared silica gel and can be impacted by water, and because the deionized water can find out the dirt, solid particles and other negative ions to make up for the missing part, the dirt can be effectively removed from the surface to ensure the cleanness of the modified silica gel material; then, the cleaned modified silica gel material is placed into a reaction kettle to be stirred for impurity removal, and the stirring time is set to be 3 hours, so that the modified silica gel material after impurity removal is obtained; the advantage of adopting reation kettle to carry out the edulcoration to modified silica gel material lies in the dirt that can't be clear through the deionized water in with modified silica gel material, clears away through the reation kettle stirring, has further guaranteed modified silica gel material's cleanness.
Placing the modified silica gel material subjected to impurity removal into a filter press for filtering, and filtering for 15min to obtain a filtered modified silica gel material; the advantage of adopting a filter press to filter the modified silica gel material is that the unclean modified silica gel raw material can bring an effect on the production process which is difficult to control, and the produced dirty spots can affect the qualification rate of the silica gel material product, so the modified silica gel material needs to be filtered; standing the filtered modified silica gel material for 45min, and drying the standing modified silica gel material in a dryer for 1h; the modified silica gel material is dried by the dryer, so that the prepared modified silica gel material is not easy to grow by various miscellaneous fungi, and the modified silica gel product is protected.
Putting the dried modified silica gel material into a container with silicate solution for soaking for 7 hours to obtain the prepared modified silica gel; the modified silica gel material is soaked in the silicate solution container, and the diatomite (silicate obtained after diatom death) can adsorb silica gel chemically, i.e., chemical combination of atoms on the solid surface is not completely saturated by adjacent atoms, and the atoms still have the capacity to form chemical bonds, so that electron transfer can occur between the adsorbent and the adsorbent to form chemical bonds, that is, the surface layer of the silica gel is attached with the capacity of adsorbing dirt, and meanwhile, the adsorbed dirt can be directly cleaned by tap water, and the cleaning function of the silica gel material product is effectively improved.
The prepared modified silica gel product has the advantages that the washing time is right, and the stirring and impurity removing time for the modified silica gel product is right, so that the surface layer of the modified silica gel is clean like jade, and the attractiveness of the modified silica gel product is improved; moreover, the qualified rate of the produced modified silica gel product is increased due to the fact that the filtering time of the modified silica gel product is mastered exactly; because the drying time is moderate, the produced silica gel product has no any mixed mould, and the qualification rate of the modified silica gel product is improved; because the soaking time of the modified silica gel product is controlled to be moderate, the prepared modified silica gel product has the capability of adsorbing dirt, and meanwhile, tap water can be used for cleaning the dirt, and the dirt cannot be remained on the surface layer of the modified silica gel product, so that the practicability of the modified silica gel product is improved.
Example 6
The modified silica gel material convenient to clean in the embodiment comprises the following raw materials in parts by weight:
1 part of silicon dioxide;
1 part of a silane coupling agent;
1 part of hydrophilic polymer;
5 parts of water glass;
1 part of methyl methacrylate;
1 part of polylactic acid;
7 parts of activated silica gel dispersing agent.
Each part of the activated silica gel dispersant was prepared from 35 parts of isooctyl acrylate and 12 parts of triethylamine. The silane coupling agent is composed of vinyl trimethoxy silane and vinyl tri (beta-methoxy ethoxy) silane according to the weight ratio of 1. The hydrophilic polymer is composed of polyacrylic acid and polyvinyl alcohol according to a weight ratio of 3.
In this example, 1 part of silica is used, and 1 part of silane coupling agent is added to prepare silica gel so that the inorganic substance of silica gel has reactivity and the organic functional group has reactivity or compatibility with the organic substance; adding 1 part of hydrophilic polymer to prepare silica gel so that the silica gel has the capability of interacting with water or other polar substances; 5 parts of water glass is added to prepare silica gel so as to improve the weather resistance of the silica gel; 1 part of methyl methacrylate is added to prepare silica gel, so that the prepared silica gel has good quality, light color, less side reaction and mild reaction condition; 1 part of polylactic acid is added to prepare the silica gel so that the prepared silica gel has good plasticity, heat resistance and physical processing performance; adding 7 parts of activated silica gel dispersing agent to prepare silica gel so that the prepared silica gel has more saturated neutralizing capacity and can neutralize acidity;
the prepared modified silica gel material is too small due to too few parts of silica gel, so that the prepared modified silica gel material is too small, and the use frequency of the modified silica gel material is limited within ten times.
Example 7
The modified silica gel material convenient to clean in the embodiment comprises the following raw materials in parts by weight:
2 parts of silicon dioxide;
3 parts of a silane coupling agent;
3 parts of a hydrophilic polymer;
7 parts of water glass;
2 parts of methyl methacrylate;
2 parts of polylactic acid;
7 parts of activated silica gel dispersing agent.
Each part of the activated silica gel dispersant was prepared from 40 parts of isooctyl acrylate and 10 parts of triethylamine. The silane coupling agent is composed of vinyl triethoxysilane and vinyl tri (beta-methoxyethoxy) silane according to the weight ratio of 1. The hydrophilic polymer is composed of polyacrylamide and polyvinyl alcohol according to a weight ratio of 1.
In this example, 2 parts of silica were used, and 3 parts of a silane coupling agent were added to prepare a silica gel such that the inorganic material of the silica gel was reactive and the organic functional group was reactive or compatible with the organic material; adding 3 parts of hydrophilic polymer to prepare silica gel so that the silica gel has the capability of interacting with water or other polar substances; adding 7 parts of water glass to prepare silica gel so as to improve the weather resistance of the silica gel; 2 parts of methyl methacrylate is added to prepare silica gel, so that the prepared silica gel has good quality, light color, less side reaction and mild reaction condition; 2 parts of polylactic acid is added to prepare silica gel so that the prepared silica gel has good plasticity, heat resistance and physical processing performance; adding 7 parts of activated silica gel dispersing agent to prepare silica gel so that the prepared silica gel has more saturated neutralizing capacity and can neutralize acidity;
the prepared modified silica gel material has insufficient plasticity and heat resistance due to insufficient polylactic acid in silica gel part, and the use times of the modified silica gel material are easily limited by high temperature in a clean environment.
Example 8
The modified silica gel material convenient to clean in the embodiment comprises the following raw materials in parts by weight:
3 parts of silicon dioxide;
5 parts of a silane coupling agent;
5 parts of hydrophilic polymer;
10 parts of water glass;
3 parts of methyl methacrylate;
3 parts of polylactic acid;
8 parts of activated silica gel dispersing agent.
Each part of the activated silica gel dispersant was prepared from 30 parts of isooctyl acrylate and 13 parts of triethylamine. Each part of the activated silica gel dispersant was prepared from 35 parts of isooctyl acrylate and 12 parts of triethylamine. The silane coupling agent consists of vinyl trimethoxy silane and vinyl tri (beta-methoxy ethoxy) silane in a weight ratio of 1. The hydrophilic polymer is composed of polyacrylic acid and polyvinyl alcohol according to a weight ratio of 3.
In this example, silica gel was prepared using 3 parts silica and 5 parts silane coupling agent to make the inorganic material of the silica gel reactive and the organic functional group reactive or compatible with the organic material; adding 5 parts of hydrophilic polymer to prepare silica gel so that the silica gel has the capability of interacting with water or other polar substances; adding 10 parts of water glass to prepare silica gel so as to improve the weather resistance of the silica gel; 3 parts of methyl methacrylate is added to prepare the silica gel, so that the prepared silica gel has good quality, light color, less side reaction and mild reaction condition; 3 parts of polylactic acid is added to prepare silica gel so that the prepared silica gel has good plasticity, heat resistance and physical processing performance; adding 8 parts of activated silica gel dispersing agent to prepare silica gel so that the prepared silica gel has more saturated neutralizing capacity and can neutralize acidity;
the prepared modified silica gel material has sufficient use parts of the activated silica gel dispersing agent, so that the prepared modified silica gel product can better absorb acidic fouling substances in the environment and neutralize the acidic fouling substances in the process of cleaning the environment.
In this example, a conventional silica gel material as a comparative example includes the following raw materials in parts by weight:
2 parts of silicon dioxide;
1 part of ethylene glycol monomethyl ether;
1 part of hydroxy-ethanesulfonic acid;
6 parts of a polyol solvent;
7 parts of water glass;
2 parts of polyethylene glycol oleate;
1 part of sodium dioctyl sulfosuccinate;
1 part of secondary alkyl sodium sulfonate;
1 part of alkyl polyglycoside;
1 part of potassium pyrophosphate.
The polyalcohol solvent is prepared from ethylene glycol and pentaerythritol in a weight ratio of 1: 2.
In the comparative example, the conventional modified silica gel material is prepared by mixing ethylene glycol monomethyl ether, 1-hydroxy-ethane sulfonic acid and a polyalcohol solvent to obtain a premixed solution, then dissolving polyethylene glycol oleate, dioctyl sodium sulfosuccinate, secondary alkyl sodium sulfonate, alkyl polyglycoside and potassium pyrophosphate in deionized water, adding the premixed solution, N-methyl-2-pyrrolidone, modified silica gel and 2,2' -azobisisobutylamidine dihydrochloride, and performing reflux reaction in a nitrogen atmosphere to prepare the modified silica gel cleaning material which is suitable for cleaning and washing electronic circuit boards and has good cleaning effect; however, the conventional modified silica gel material cannot remove dirt through conventional tap water after adsorbing the dirt;
the modified silica gel material obtained by applying the modified silica gel material convenient to clean is processed, firstly deionized water is prepared to wash the modified silica gel material, and the process of preparing the deionized water is to add medium water at the end of an anode electrode plate; introducing oxygen at the cathode electrode plate end; connecting the anode electrode plate end and the cathode electrode plate end with an external power supply to form an electrolysis channel; the medium water is decomposed into products O and H + at the anode electrode plate end through electrolytic reaction, and the product O is discharged through a water outlet at the anode electrode plate end; h + reaches the cathode through the cathode electrode plate end, and is combined with the introduced oxygen to generate a product H2O, and the product H2O can be collected after being discharged through an exhaust port on the cathode end plate to obtain H2O ionized water, namely deionized water; then, continuously washing the modified silica gel material for 1h by using deionized water to obtain the washed modified silica gel material; then, the cleaned modified silica gel material is placed into a reaction kettle to be stirred for impurity removal, and the stirring time is set to be 3 hours, so that the modified silica gel material after impurity removal is obtained; placing the modified silica gel material subjected to impurity removal into a filter press for filtering for 15min to obtain a filtered modified silica gel material; standing the filtered modified silica gel material for 45min, and drying the standing modified silica gel material in a dryer for 1h; putting the dried modified silica gel material into a container with silicate solution for soaking for 7 hours to obtain the prepared modified silica gel; according to the modified silica gel material convenient to clean, the specific formula is adopted, the soaking time of the modified silica gel product is limited, the problem that the conventional modified silica gel product cannot remove dirt through tap water is effectively solved, and the convenience of the modified silica gel cleaning material is improved.
The examples 6 to 8 and the conventional modified silica gel materials were subjected to performance tests, the performance measurement parameters of which are shown in the following table:
wherein, the wear resistance is determined according to GB/T1689-2014, an Akron wear tester is adopted to measure the mass of the sample before and after grinding, and the wear rate CO is calculated 2 。
The silica gels of examples 6-8 and comparative examples, which had approximately the same degree of fouling, were cut into small pieces having the same surface area, then washed with tap water under the same conditions, and the presence of a continuous water film on the surface of the silica gel was determined using a water film rupture test. It can be seen from examples 6-8 that the water film on the silica gel surface is continuous without breaking, indicating that there are no hydrophobic surface contaminants such as oil, grease and insoluble organic matter, and the silica gel surface is clean, while the water film on the silica gel surface of the comparative example is discontinuous in breaking and contains dark spots and plaques. Thus, the surface cleanliness of the silica gels of examples 6-8 is greater than that of the comparative examples. The invention adopts an optical contact angle tester to carry out the water contact angle test of the surface of the silica gel, the smaller the contact angle is, the more lyophilic the surface of the silica gel is, the better the wettability is shown, and the detection result is shown in the following table.
| Item | Example 6 | Example 7 | Example 8 |
| Contact angle ° | 26 | 29 | 27 |
As can be seen from the above table, the modified silica gel prepared by the invention has good adsorbability and wear resistance, is convenient to clean, and has excellent comprehensive performance.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (10)
1. A preparation method of a modified silica gel material convenient to clean is characterized by comprising the following steps:
s1: selecting materials, and processing the modified silica gel material prepared by using a preset formula;
s2: washing, namely washing the modified silica gel material by adopting preset ionized water for a preset time period to obtain the washed modified silica gel material;
s3: removing impurities, namely stirring and removing the impurities of the cleaned modified silica gel material for a preset time period by adopting a preset reaction kettle to obtain the modified silica gel material after the impurities are removed;
s4: filtering, namely placing the modified silica gel material subjected to impurity removal in a preset filter press for filtering for a preset time period to obtain a filtered modified silica gel material;
s5: drying, namely standing the filtered modified silica gel material for a preset time period, and placing the modified silica gel material in a preset dryer for drying for the preset time period after standing to obtain the dried modified silica gel material;
s6: and (3) soaking, namely adding the dried modified silica gel material into a container with a preset silicate solution for soaking for a preset time period to obtain the prepared modified silica gel.
2. The method for preparing conveniently cleaned modified silica gel material according to claim 1, wherein in the step S2 of washing the modified silica gel material with predetermined ionized water for a predetermined period of time, the ionized water is prepared by:
adding medium water into a preset anode electrode end;
introducing oxygen into the end of a preset cathode electrode plate;
connecting the anode electrode plate end and the cathode electrode plate end with an external power supply to form an electrolysis path;
the medium water is decomposed into product O on the anode electrode plate end through electrolytic reaction 2- And H + Said product O 2- Through the water outlet on the anode electrode plate endDischarging;
said H + Reaches the cathode through the cathode electrode plate end and is combined with the introduced oxygen to generate a product H 2 O, the product H 2 O is discharged through an exhaust port on the cathode end plate and then can be collected to obtain H 2 And O is ionized water.
3. The method for preparing a conveniently cleaned modified silica gel material as claimed in claim 1, wherein the step S2 of cleaning the modified silica gel material with a predetermined ionized water for a predetermined period of time to obtain a cleaned modified silica gel material further comprises:
the time period of the cleaning is specifically set to be 1-2h.
4. The method for preparing a conveniently cleaned modified silica gel material according to claim 1, wherein the step S3 of stirring and removing impurities from the cleaned modified silica gel material in a preset time period by using a preset reaction kettle to obtain the modified silica gel material after removing impurities further comprises:
the time period for stirring and impurity removal is specifically set to be 3-5h.
5. The method for preparing a conveniently cleaned modified silica gel material according to claim 1, wherein the step S4 of placing the modified silica gel material after impurity removal in a preset filter press for filtering for a preset period of time to obtain a filtered modified silica gel material further comprises:
the filtering time period is specifically set to be 15-30min.
6. The method for preparing a modified silica gel material in a clean manner as claimed in claim 1, wherein the step S5 of subjecting the filtered modified silica gel material to a waiting for a predetermined period of time further comprises:
the waiting time period is specifically set to be 45-60min.
7. The method for preparing conveniently cleaned modified silica gel material according to claim 1, wherein the step S5 of drying the modified silica gel material in a predetermined dryer for a predetermined period of time after waiting for the first time to obtain the dried modified silica gel material further comprises:
the drying time period is specifically set to be 1-3h.
8. The method for preparing a conveniently cleaned modified silica gel material as claimed in claim 1, wherein the step S6 of adding the dried modified silica gel material into a container with a predetermined silicate solution for soaking for a predetermined period of time to obtain a prepared modified silica gel further comprises:
the soaking time period is specifically set to be 5-10h.
9. A modified silica gel material convenient to clean is characterized by comprising the following raw materials in parts by weight:
1-3 parts of silicon dioxide;
1-5 parts of a silane coupling agent;
1-5 parts of a hydrophilic polymer;
5-10 parts of water glass;
1-3 parts of methyl methacrylate;
1-3 parts of polylactic acid;
6-7 parts of an activated silica gel dispersing agent.
10. The modified silica gel material as claimed in claim 9, wherein each part of the activated silica gel dispersing agent comprises the following raw materials in parts by weight:
30-40 parts of isooctyl acrylate;
10-13 parts of triethylamine.
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| US20050205102A1 (en) * | 2004-01-30 | 2005-09-22 | Philip Morris Usa Inc. | Method of making surface modified silica gel |
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