CN107445589B - Super-hydrophilic easy-to-clean functional ceramic material and preparation process thereof - Google Patents
Super-hydrophilic easy-to-clean functional ceramic material and preparation process thereof Download PDFInfo
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Abstract
The invention discloses a super-hydrophilic easy-cleaning functional ceramic material which is characterized by comprising the following components in parts by weight: 40-60 parts of modified red mud, 15-20 parts of sepiolite, 16-22 parts of tourmaline and Ti3C225-35 parts. Compared with the prior art, the Ti in the invention3C2The super-hydrophilic easy-cleaning functional ceramic material has a two-dimensional pore structure, and can absorb modified red mud powder, sepiolite powder and tourmaline powder into two-dimensional pores after sintering, wherein the modified red mud powder and the sepiolite powder ensure that the super-hydrophilic easy-cleaning functional ceramic material prepared by the invention has a smooth surface and super-hydrophilic capacity, water beads can be rapidly expanded on a glaze surface, oil stains and tea stains on the glaze surface are effectively removed, the cleanness of the glaze surface is kept, the super-hydrophilic easy-cleaning functional ceramic material is far away from detergent and guarantees healthy life, meanwhile, the tourmaline powder can generate super-infrared energy waves and resonate with water molecular groups, large water molecular groups are split into smaller water molecular groups, dirt embedded in an annular condensed structure of the water molecular groups is removed, and the effect of easy cleaning is achieved.
Description
Technical Field
The invention relates to the field of inorganic non-metallic ceramic materials, in particular to a super-hydrophilic easy-cleaning functional ceramic material and a preparation process thereof.
Background
Along with the development of industry and the increasing frequency of human activities, the pollution of cities and towns is more and more serious, and various diseases are more and more bred. The ceramic product has rich decoration effect and excellent wear resistance, corrosion resistance and other characteristics, is widely used in daily life, and is popular. In recent years, the performance requirements of consumers on daily ceramics, sanitary ceramics and architectural ceramics are increasing, and the products are required to be beautiful, practical and wear-resistant, and have new environmental-friendly and healthy functions.
However, the microstructure of the ceramic product consists of a crystal phase, a glass phase and air holes, the final product has 5-10% volume porosity, and when pollutants contact the surface of the product, a part of pollutants can permeate into the open air holes due to surface phenomenon and capillary phenomenon; in addition, microscopic irregularities in the ceramic surface also lead to adhesion to contaminants. Such as: the daily-used porcelain, wall brick, floor tile, toilet, face washer and bathtub products are closely related to the life of people and are often polluted, people generally use liquid detergent and disinfectant to solve the pollution problem, and people are polluted in a short time after cleaning and disinfection. The research finds that: the pollutants are basically composed of water-soluble colored inorganic matters or organic matters, which are usually acidic or alkaline, such as sewage, tea water, dust, ink, organic oil stains and the like in daily life, so that the surfaces of the ceramics are polluted and difficult to clean, the cleanness and the attractiveness are affected, and meanwhile, the pollutants also become breeding hotbeds of various bacteria, and various diseases are bred more and more. To solve the problem, a sustainable development way must be taken, on one hand, the pollution source is solved, on the other hand, the pollution resistance of the household environment is improved, and the easy-to-clean and pollution-resistant material and the product thereof are developed.
Disclosure of Invention
The invention aims to solve the defects of the prior art and provides a super-hydrophilic easy-cleaning functional ceramic material and a preparation process thereof.
In order to achieve the purpose, the invention is implemented according to the following technical scheme:
a super hydrophilic easy-cleaning functional ceramic material comprises the following components in parts by weight: 40-60 parts of modified red mud, 15-20 parts of sepiolite, 16-22 parts of tourmaline and Ti3C225-35 parts.
A preparation process of a super hydrophilic easy-cleaning functional ceramic material comprises the following steps:
step one, taking red mud and distilled water according to the mass ratio of the red mud to the distilled water of 1:5 at room temperature, uniformly dispersing the red mud into the distilled water under magnetic stirring to form a red mud aqueous solution, adding hydrochloric acid with the volume 1.5 times of the volume of the distilled water and the concentration of 5 mol/L into the red mud aqueous solution, magnetically stirring for 2 hours under the water bath heating environment of 85 ℃ to obtain brown yellow suspension, then slowly dripping ammonia water until the pH value is 7.2, and forming soil yellow colloid liquid along with vigorous stirring, aging for 30 minutes under the environment of 50 ℃, carrying out ultrasonic treatment for 15 minutes, washing to be neutral, filtering to obtain a solid product, drying the solid product at the temperature of 60 ℃, and grinding to the particle size of 0.06-1.0 micron to obtain granular modified red mud powder;
step two, placing Ti3AlC2 into a plastic reaction container, slowly dropwise adding sufficient hydrofluoric acid with the mass fraction of 40%, shaking for 10-20 minutes while adding, carrying out water bath reaction at 60 ℃ for 10-20 hours to obtain reaction liquid, sequentially centrifuging, washing and filtering the reaction liquid to obtain filter residue, drying the obtained filter residue at 70 ℃ for 6-10 hours, and grinding the filter residue to the particle size of 0.06-1.0 micron to obtain Ti3C2 powder;
taking 15-20 parts of sepiolite and 16-22 parts of tourmaline, and grinding the sepiolite powder and the tourmaline powder respectively until the particle size is 0.06-1.0 micron to obtain sepiolite powder and tourmaline powder;
step four, taking 25-35 parts of the Ti prepared by the method3C2Mixing powder, 40-60 parts of modified red mud powder, 15-20 parts of sepiolite powder and 16-22 parts of tourmaline powder to obtain mixed powder, dispersing the mixed powder into 1000 ml of a mixed solution of deionized water and isopropyl acetone to obtain a mixed suspension, carrying out ultrasonic treatment on the mixed suspension at 45 ℃, carrying out centrifugal treatment on the mixed suspension at a rotating speed of 3000r/min, filtering to obtain filter residue, forming the filter residue, sintering the formed blank in a heating furnace at the sintering temperature of 1000-1200 ℃ to prepare the super-hydrophilic easy-cleaning functional ceramic material.
Further, the suspension is mixed in the fourth step and ultrasonic treatment is carried out for 3 to 5 hours under the nitrogen atmosphere.
Preferably, the step four adopts a mixed cellulose ester filter membrane with the pore diameter of 0.05 microns for filtration.
Compared with the prior art, the Ti in the invention3C2The super-hydrophilic easy-cleaning functional ceramic material has a two-dimensional pore structure, and can absorb modified red mud powder, sepiolite powder and tourmaline powder into two-dimensional pores after sintering, wherein the modified red mud powder and the sepiolite powder ensure that the super-hydrophilic easy-cleaning functional ceramic material prepared by the invention has a smooth surface and super-hydrophilic capacity, water beads can be rapidly expanded on a glaze surface, oil stains and tea stains on the glaze surface are effectively removed, the cleanness of the glaze surface is kept, the super-hydrophilic easy-cleaning functional ceramic material is far away from detergent and guarantees healthy life, meanwhile, the tourmaline powder can generate super-infrared energy waves and resonate with water molecular groups, large water molecular groups are split into smaller water molecular groups, dirt embedded in an annular condensed structure of the water molecular groups is removed, and the effect of easy cleaning is achieved.
Detailed Description
The present invention will be further described with reference to specific examples, which are illustrative of the invention and are not to be construed as limiting the invention.
Example one
Super hydrophilic easy-cleaning functional ceramicThe material comprises the following components in parts by weight: 40 parts of modified red mud, 15 parts of sepiolite, 16 parts of tourmaline and Ti3C2And 25 parts.
A preparation process of a super hydrophilic easy-cleaning functional ceramic material comprises the following steps:
step one, taking red mud and distilled water according to the mass ratio of the red mud to the distilled water of 1:5 at room temperature, uniformly dispersing the red mud into the distilled water under magnetic stirring to form a red mud aqueous solution, adding hydrochloric acid with the volume 1.5 times of the volume of the distilled water and the concentration of 5 mol/L into the red mud aqueous solution, magnetically stirring for 2 hours under the water bath heating environment of 85 ℃ to obtain brown yellow suspension, then slowly dripping ammonia water until the pH value is 7.2, and forming soil yellow colloid liquid along with vigorous stirring, aging for 30 minutes under the environment of 50 ℃, carrying out ultrasonic treatment for 15 minutes, washing to be neutral, filtering to obtain a solid product, drying the solid product at the temperature of 60 ℃, and grinding to the particle size of 0.06 micron to obtain granular modified red mud powder;
step two, placing Ti3AlC2 into a plastic reaction container, slowly dropwise adding sufficient hydrofluoric acid with the mass fraction of 40%, shaking for 10 minutes while adding, carrying out water bath reaction for 10 hours at 60 ℃ to obtain reaction liquid, sequentially centrifuging, washing and filtering the reaction liquid to obtain filter residue, drying the obtained filter residue for 6 hours at 70 ℃, and grinding the filter residue to the particle size of 0.06 micrometer to obtain Ti3C2 powder;
taking 15 parts of sepiolite and 16 parts of tourmaline, and grinding the sepiolite and the tourmaline respectively until the particle size is 0.06 micron to obtain sepiolite powder and tourmaline powder;
step four, taking 25 parts of the Ti prepared above3C2Mixing powder, 40 parts of modified red mud powder, 15 parts of sepiolite powder and 16 parts of tourmaline powder to obtain mixed powder, dispersing the mixed powder into 1000 ml of mixed solution of deionized water and isopropyl acetone to obtain mixed suspension, carrying out ultrasonic treatment on the mixed suspension at 45 ℃ for 3 hours in nitrogen atmosphere, carrying out centrifugal treatment on the mixed suspension at the rotating speed of 3000r/min, filtering by adopting a mixed cellulose ester filter membrane with the aperture of 0.05 micron to obtain filter residue, forming the filter residue, sintering the formed blank in a heating furnace, and sinteringThe temperature is 1000 ℃, and the super hydrophilic easy-to-clean functional ceramic material is prepared.
Example two
A super hydrophilic easy-cleaning functional ceramic material comprises the following components in parts by weight: 60 parts of modified red mud, 20 parts of sepiolite, 22 parts of tourmaline and Ti3C235 parts of (A).
A preparation process of a super hydrophilic easy-cleaning functional ceramic material comprises the following steps:
step one, taking red mud and distilled water according to the mass ratio of the red mud to the distilled water of 1:5 at room temperature, uniformly dispersing the red mud into the distilled water under magnetic stirring to form a red mud aqueous solution, adding hydrochloric acid with the volume being 1.5 times of the volume of the distilled water and the concentration being 5 mol/L into the red mud aqueous solution, magnetically stirring for 2 hours under the water bath heating environment of 85 ℃ to obtain brown yellow suspension, then slowly dripping ammonia water until the pH value is 7.2 and forming soil yellow colloid liquid along with vigorous stirring, aging for 30 minutes under the environment of 50 ℃, carrying out ultrasonic treatment for 15 minutes, washing to be neutral, filtering to obtain a solid product, drying the solid product at the temperature of 60 ℃, and grinding to the particle size of 1.0 micron to obtain granular modified red mud powder;
step two, placing Ti3AlC2 into a plastic reaction container, slowly dropwise adding sufficient hydrofluoric acid with the mass fraction of 40%, shaking for 20 minutes while adding, carrying out water bath reaction at 60 ℃ for 20 hours to obtain reaction liquid, sequentially centrifuging, washing and filtering the reaction liquid to obtain filter residue, drying the obtained filter residue at 70 ℃ for 10 hours, and grinding the filter residue to the particle size of 1.0 micron to obtain Ti3C2 powder;
step three, taking 20 parts of sepiolite and 22 parts of tourmaline, and respectively grinding the sepiolite and the tourmaline until the particle size is 1.0 micron to obtain sepiolite powder and tourmaline powder;
step four, taking 35 parts of the Ti prepared above3C2Mixing the powder, 60 parts of modified red mud powder, 20 parts of sepiolite powder and 22 parts of tourmaline powder to obtain mixed powder, dispersing the mixed powder into 1000 ml of mixed solution of deionized water and isopropyl acetone to obtain mixed suspension, performing ultrasonic treatment on the mixed suspension at 45 ℃ for 5 hours in nitrogen atmosphere, and then performing ultrasonic treatment at a rotating speed of 3000r/minAnd centrifuging the mixed suspension, filtering by using a mixed cellulose ester filter membrane with the pore diameter of 0.05 micron to obtain filter residue, forming the filter residue, and sintering the formed blank in a heating furnace at the sintering temperature of 1200 ℃ to prepare the super-hydrophilic easy-to-clean functional ceramic material.
EXAMPLE III
A super hydrophilic easy-cleaning functional ceramic material comprises the following components in parts by weight: 50 parts of modified red mud, 17 parts of sepiolite, 18 parts of tourmaline and Ti3C230 parts of.
A preparation process of a super hydrophilic easy-cleaning functional ceramic material comprises the following steps:
step one, taking red mud and distilled water according to the mass ratio of the red mud to the distilled water of 1:5 at room temperature, uniformly dispersing the red mud into the distilled water under magnetic stirring to form a red mud aqueous solution, adding hydrochloric acid with the volume 1.5 times of the volume of the distilled water and the concentration of 5 mol/L into the red mud aqueous solution, magnetically stirring for 2 hours under the water bath heating environment of 85 ℃ to obtain brown yellow suspension, then slowly dripping ammonia water until the pH value is 7.2, and forming soil yellow colloid liquid along with vigorous stirring, aging for 30 minutes under the environment of 50 ℃, carrying out ultrasonic treatment for 15 minutes, washing to be neutral, filtering to obtain a solid product, drying the solid product at the temperature of 60 ℃, and grinding to the particle size of 0.08 micrometer to obtain granular modified red mud powder;
step two, placing Ti3AlC2 into a plastic reaction container, slowly dropwise adding sufficient hydrofluoric acid with the mass fraction of 40%, shaking for 15 minutes while adding, carrying out water bath reaction for 15 hours at 60 ℃ to obtain reaction liquid, sequentially centrifuging, washing and filtering the reaction liquid to obtain filter residue, drying the obtained filter residue for 8 hours at 70 ℃, and grinding the filter residue to the particle size of 0.08 micrometer to obtain Ti3C2 powder;
taking 15-20 parts of sepiolite and 16-22 parts of tourmaline, and grinding the sepiolite powder and the tourmaline powder respectively until the particle size is 0.06-1.0 micron to obtain sepiolite powder and tourmaline powder;
step four, taking 30 parts of the Ti prepared above3C2Mixing the powder, 50 parts of modified red mud powder, 17 parts of sepiolite powder and 18 parts of tourmaline powder to obtain mixed powder, and mixingDispersing the mixed powder into 1000 ml of mixed solution of deionized water and isopropyl ketone to obtain mixed suspension, carrying out ultrasonic treatment on the mixed suspension for 4 hours at 45 ℃ in a nitrogen atmosphere, carrying out centrifugal treatment on the mixed suspension at the rotating speed of 3000r/min, filtering by using a mixed cellulose ester filter membrane with the pore diameter of 0.05 micron to obtain filter residue, forming the filter residue, sintering the formed blank in a heating furnace at the sintering temperature of 1100 ℃ to prepare the super-hydrophilic easy-to-clean functional ceramic material.
The super hydrophilic easy-cleaning functional ceramic material prepared by the embodiment is tested for hydrophilic and easy-cleaning performance, and the detection method comprises the following steps:
a. uniformly dripping 10-15 drops of salad oil on the super-hydrophilic easy-to-clean functional ceramic material by using a 0.02 ml/drop rubber head test tube, and standing for 10 minutes to stably spread the oil;
b. then washing the super hydrophilic easy-to-clean functional ceramic material dripped with distilled water for 1 minute;
c. putting the super hydrophilic easy-to-clean functional ceramic material into an oven for drying until the weight is constant, taking out and cooling;
d. the residual amount of oil stain on the surface of the super hydrophilic easy-cleaning functional ceramic material per unit area is calculated, and the test results of the above embodiment are as follows:
experimental results show that the residual amount of oil stain on the surface of the easy-to-clean domestic ceramic in unit area belongs to the easy-to-clean range, and the easy-to-clean domestic ceramic has obvious hydrophilic and self-cleaning capabilities.
The technical solution of the present invention is not limited to the limitations of the above specific embodiments, and all technical modifications made according to the technical solution of the present invention fall within the protection scope of the present invention.
Claims (3)
1. The super hydrophilic easy-cleaning functional ceramic material is characterized by comprising the following components in parts by weight: 40-60 parts of modified red mud, 15-20 parts of sepiolite, 16-22 parts of tourmaline and Ti3C225-35 parts;
the preparation process of the super-hydrophilic easy-cleaning functional ceramic material comprises the following steps:
step one, taking red mud and distilled water according to the mass ratio of the red mud to the distilled water of 1:5 at room temperature, uniformly dispersing the red mud into the distilled water under magnetic stirring to form a red mud aqueous solution, adding hydrochloric acid with the volume 1.5 times of the volume of the distilled water and the concentration of 5 mol/L into the red mud aqueous solution, magnetically stirring for 2 hours under the water bath heating environment of 85 ℃ to obtain brown yellow suspension, then slowly dripping ammonia water until the pH value is 7.2, and forming soil yellow colloid liquid along with vigorous stirring, aging for 30 minutes under the environment of 50 ℃, carrying out ultrasonic treatment for 15 minutes, washing to be neutral, filtering to obtain a solid product, drying the solid product at the temperature of 60 ℃, and grinding to the particle size of 0.06-1.0 micron to obtain granular modified red mud powder;
step two, taking Ti3AlC2Placing the mixture into a plastic reaction container, slowly dropwise adding sufficient hydrofluoric acid with the mass fraction of 40%, shaking for 10-20 minutes while adding, carrying out water bath reaction at 60 ℃ for 10-20 hours to obtain reaction liquid, sequentially centrifuging, washing and filtering the reaction liquid to obtain filter residue, drying the obtained filter residue at 70 ℃ for 6-10 hours, and grinding the filter residue to the particle size of 0.06-1.0 micron to obtain Ti3C2 powder;
taking 15-20 parts of sepiolite and 16-22 parts of tourmaline, and grinding the sepiolite powder and the tourmaline powder respectively until the particle size is 0.06-1.0 micron to obtain sepiolite powder and tourmaline powder;
step four, taking 25-35 parts of the Ti prepared by the method3C2Mixing powder, 40-60 parts of modified red mud powder, 15-20 parts of sepiolite powder and 16-22 parts of tourmaline powder to obtain mixed powder, dispersing the mixed powder into 1000 ml of a mixed solution of deionized water and isopropyl acetone to obtain a mixed suspension, carrying out ultrasonic treatment on the mixed suspension at 45 ℃, carrying out centrifugal treatment on the mixed suspension at a rotating speed of 3000r/min, filtering to obtain filter residue, forming the filter residue, sintering the formed blank in a heating furnace at the sintering temperature of 1000-1200 ℃ to prepare the super-hydrophilic easy-cleaning functional ceramic material.
2. The super hydrophilic easy-to-clean functional ceramic material according to claim 1, characterized in that: and in the fourth step, the suspension is mixed and subjected to ultrasonic treatment for 3 to 5 hours under the nitrogen atmosphere.
3. The super hydrophilic easy-to-clean functional ceramic material according to claim 1, characterized in that: and in the fourth step, filtering by adopting a mixed cellulose ester filter membrane with the pore diameter of 0.05 micron.
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