CN115139583A - Preparation method of anti-slip ground mat - Google Patents
Preparation method of anti-slip ground mat Download PDFInfo
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- CN115139583A CN115139583A CN202210814584.0A CN202210814584A CN115139583A CN 115139583 A CN115139583 A CN 115139583A CN 202210814584 A CN202210814584 A CN 202210814584A CN 115139583 A CN115139583 A CN 115139583A
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- honeycomb
- graphite
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- 238000002360 preparation method Methods 0.000 title claims abstract description 17
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical class [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims abstract description 56
- 239000000835 fiber Substances 0.000 claims abstract description 44
- 230000000844 anti-bacterial effect Effects 0.000 claims abstract description 25
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 23
- 238000001816 cooling Methods 0.000 claims abstract description 22
- 238000002156 mixing Methods 0.000 claims abstract description 17
- 239000002002 slurry Substances 0.000 claims abstract description 16
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims abstract description 15
- XLOMVQKBTHCTTD-UHFFFAOYSA-N Zinc monoxide Chemical compound [Zn]=O XLOMVQKBTHCTTD-UHFFFAOYSA-N 0.000 claims abstract description 14
- SOQBVABWOPYFQZ-UHFFFAOYSA-N oxygen(2-);titanium(4+) Chemical compound [O-2].[O-2].[Ti+4] SOQBVABWOPYFQZ-UHFFFAOYSA-N 0.000 claims abstract description 10
- 238000007605 air drying Methods 0.000 claims abstract description 7
- 239000011787 zinc oxide Substances 0.000 claims abstract description 7
- 239000011230 binding agent Substances 0.000 claims abstract description 4
- 229910002804 graphite Inorganic materials 0.000 claims description 34
- 239000010439 graphite Substances 0.000 claims description 34
- 238000000034 method Methods 0.000 claims description 29
- 239000000499 gel Substances 0.000 claims description 23
- 239000000919 ceramic Substances 0.000 claims description 15
- 239000000203 mixture Substances 0.000 claims description 14
- 235000017166 Bambusa arundinacea Nutrition 0.000 claims description 13
- 235000017491 Bambusa tulda Nutrition 0.000 claims description 13
- 241001330002 Bambuseae Species 0.000 claims description 13
- 235000015334 Phyllostachys viridis Nutrition 0.000 claims description 13
- 239000011425 bamboo Substances 0.000 claims description 13
- 239000003610 charcoal Substances 0.000 claims description 13
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 claims description 12
- 239000013078 crystal Substances 0.000 claims description 12
- 229920000728 polyester Polymers 0.000 claims description 11
- 238000009210 therapy by ultrasound Methods 0.000 claims description 11
- 239000000243 solution Substances 0.000 claims description 10
- IXPNQXFRVYWDDI-UHFFFAOYSA-N 1-methyl-2,4-dioxo-1,3-diazinane-5-carboximidamide Chemical compound CN1CC(C(N)=N)C(=O)NC1=O IXPNQXFRVYWDDI-UHFFFAOYSA-N 0.000 claims description 8
- 238000001914 filtration Methods 0.000 claims description 8
- 235000010413 sodium alginate Nutrition 0.000 claims description 8
- 229940005550 sodium alginate Drugs 0.000 claims description 8
- 239000000661 sodium alginate Substances 0.000 claims description 8
- 239000011148 porous material Substances 0.000 claims description 7
- 239000000741 silica gel Substances 0.000 claims description 7
- 229910002027 silica gel Inorganic materials 0.000 claims description 7
- 239000011259 mixed solution Substances 0.000 claims description 6
- 239000000853 adhesive Substances 0.000 claims description 5
- 230000001070 adhesive effect Effects 0.000 claims description 5
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- XIMLTUOVUPHQML-UHFFFAOYSA-K C(C)(=O)[O-].[Zn+2].S(=O)(=O)([O-])[O-].[Zn+2] Chemical compound C(C)(=O)[O-].[Zn+2].S(=O)(=O)([O-])[O-].[Zn+2] XIMLTUOVUPHQML-UHFFFAOYSA-K 0.000 claims description 3
- 230000000845 anti-microbial effect Effects 0.000 claims description 3
- 238000010438 heat treatment Methods 0.000 claims description 3
- 238000003756 stirring Methods 0.000 claims description 3
- WSFSSNUMVMOOMR-UHFFFAOYSA-N Formaldehyde Chemical group O=C WSFSSNUMVMOOMR-UHFFFAOYSA-N 0.000 abstract description 21
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- 238000000354 decomposition reaction Methods 0.000 abstract description 4
- 238000005286 illumination Methods 0.000 abstract description 3
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- 238000002474 experimental method Methods 0.000 description 18
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- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 description 12
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- 238000005259 measurement Methods 0.000 description 6
- 229920000647 polyepoxide Polymers 0.000 description 6
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- VHUUQVKOLVNVRT-UHFFFAOYSA-N Ammonium hydroxide Chemical compound [NH4+].[OH-] VHUUQVKOLVNVRT-UHFFFAOYSA-N 0.000 description 4
- 229910021529 ammonia Inorganic materials 0.000 description 4
- 235000011114 ammonium hydroxide Nutrition 0.000 description 4
- 230000008859 change Effects 0.000 description 3
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- 238000011160 research Methods 0.000 description 3
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- 241000894006 Bacteria Species 0.000 description 2
- QPLDLSVMHZLSFG-UHFFFAOYSA-N Copper oxide Chemical compound [Cu]=O QPLDLSVMHZLSFG-UHFFFAOYSA-N 0.000 description 2
- 239000005751 Copper oxide Substances 0.000 description 2
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 description 2
- 239000004599 antimicrobial Substances 0.000 description 2
- 229910000431 copper oxide Inorganic materials 0.000 description 2
- 239000011521 glass Substances 0.000 description 2
- 230000003068 static effect Effects 0.000 description 2
- 230000001502 supplementing effect Effects 0.000 description 2
- 238000010998 test method Methods 0.000 description 2
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- 241000588724 Escherichia coli Species 0.000 description 1
- 241000191967 Staphylococcus aureus Species 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 229920006221 acetate fiber Polymers 0.000 description 1
- 239000007864 aqueous solution Substances 0.000 description 1
- 229960000892 attapulgite Drugs 0.000 description 1
- 230000003385 bacteriostatic effect Effects 0.000 description 1
- 238000003287 bathing Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
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- 239000010949 copper Substances 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- OPQARKPSCNTWTJ-UHFFFAOYSA-L copper(ii) acetate Chemical compound [Cu+2].CC([O-])=O.CC([O-])=O OPQARKPSCNTWTJ-UHFFFAOYSA-L 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
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- 239000000463 material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
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- 230000035479 physiological effects, processes and functions Effects 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 208000024891 symptom Diseases 0.000 description 1
- 239000004408 titanium dioxide Substances 0.000 description 1
- 239000005341 toughened glass Substances 0.000 description 1
- 239000002023 wood Substances 0.000 description 1
Images
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Abstract
The invention provides a preparation method of an anti-skidding ground mat, which comprises the following steps: s1, embedding and combining a fiber layer with honeycomb-shaped depressions and a modified graphite layer with honeycomb-shaped bulges to obtain an embedded layer; s2, mixing diatomite with water, adding a binder, and uniformly mixing to obtain slurry; s3, pouring a half of the slurry obtained in the step S2 into a mold, compacting the half by using a pressure plate, sequentially putting the antibacterial gel layer and the embedded layer obtained in the step S1, pouring all the residual slurry into the mold, and compacting the residual slurry by using the pressure plate to obtain the floor mat; and S4, air-drying the ground mat obtained in the step S3, and cooling to room temperature to obtain the anti-skidding ground mat. According to the invention, the loaded nano zinc oxide between the modified graphite layer with the honeycomb-shaped bulges and the antibacterial gel layer can promote the decomposition of organic matters by nano titanium dioxide under illumination, so that the growth of bacterial fungi can be inhibited from the source, the decomposition of formaldehyde can be promoted, and the living environment of the old is further improved.
Description
Cross Reference to Related Applications
The invention relates to a divisional application of an anti-skid ground mat and a preparation method thereof, which is based on the application number of 2022100412966, the application date of which is 1 month and 13 days in 2022.
Technical Field
The invention belongs to the technical field of daily necessities, and particularly relates to a preparation method of an anti-skidding ground mat.
Background
The chronic diseases have important influence on the psychology and physiology of the old, and discomfort symptoms caused by the chronic diseases, such as physical weakness, joint insufficiency and the like, can reduce the activity of patients and the ability of coping with the hidden trouble of falling down in the environment, thereby increasing the falling risk of the old.
For the living environment of the old, the ground is mainly made of wood floor and ceramic floor tiles, so that the environment is beautified, and meanwhile, the increasingly prominent potential safety hazard problem of slippery ground is brought. Research has shown that the incidence rate of falls of elderly patients with chronic diseases is 28.5%, 3 or more chronic diseases are important factors for falls, and the more chronic diseases, the greater the possibility of falls.
Disclosure of Invention
In order to solve the defects of the prior art, the invention discloses an anti-skidding ground mat and a preparation method thereof, which adopt the following technical scheme:
the first aspect of the invention provides an anti-skid floor mat, wherein the shell is a coating layer, and the interior of the coating layer is sequentially provided with a fiber layer with honeycomb-shaped depressions, a graphite layer with honeycomb-shaped bulges and an antibacterial gel layer from top to bottom; the honeycomb-shaped depressed fiber layer is combined with the honeycomb-shaped raised graphite layer in an embedding manner; the coating layer coats the fiber layer, the graphite layer and the antibacterial gel layer to obtain the anti-slip floor mat.
Preferably, the coating layer is prepared from 80-100 parts by weight of diatomite, 5-10 parts by weight of a binder and 40-60 parts by weight of water.
Further preferably, the adhesive is selected from one of epoxy resin EP-20, epoxy resin EP-51 and epoxy resin EP-44.
Preferably, the fiber layer with the honeycomb-shaped depressions is prepared from 10-15 parts by weight of bamboo charcoal fiber, 3-5 parts by weight of nano ceramic crystal and 20-30 parts by weight of polyester fiber.
Further preferably, the preparation method of the fiber layer with the honeycomb-shaped depressions comprises the following steps: heating the polyester fiber in parts by weight to 260 ℃ to melt the polyester fiber, adding the bamboo charcoal fiber and the nano ceramic crystal, stirring to uniformly mix the bamboo charcoal fiber and the nano ceramic crystal, pouring the mixed solution into a mold, and carrying out programmed cooling to obtain the fiber layer with the honeycomb-shaped recess; wherein the programmed cooling process comprises cooling at 260-200 deg.C for 15min, cooling at 200-100 deg.C for 20min, maintaining at 100 deg.C for 5min, and cooling at 100-30 deg.C for 30min.
Preferably, the graphite layer with the honeycomb-shaped protrusions is prepared from modified graphite; the preparation process comprises the following steps: mixing the modified graphite with 0.3 weight part of adhesive, pouring the mixed solution into a mould, and air-drying at normal temperature to obtain the graphite layer with the honeycomb-shaped protrusions.
Further, the modified graphite is prepared by the following method: mixing graphite and a sodium hydroxide solution, performing ultrasonic treatment at 40 ℃ for 15min, filtering, washing with water, drying, dispersing the dried graphite into a zinc sulfate-zinc acetate solution, performing ultrasonic treatment for 30min, filtering, and calcining the graphite at 200 ℃ to obtain the modified graphite loaded with nano zinc oxide.
More preferably, the antibacterial gel layer is prepared from 10-20 parts by weight of sodium alginate, 3-5 parts by weight of fine-pore silica gel, 5-8 parts by weight of nano titanium dioxide and 20-30 parts by weight of water.
The preparation method of the antibacterial gel layer comprises the following steps: dissolving sodium alginate in water of 100 deg.C, adding fine-pore silica gel and nanometer titanium dioxide, performing ultrasonic treatment for 40min to obtain uniformly dispersed mixture, evaporating off excessive water, pouring the mixture into a mold, and cooling to room temperature to obtain the antibacterial gel layer.
The second aspect of the invention provides a preparation method of an anti-skid ground mat, which is characterized by comprising the following steps:
s1, embedding and combining a fiber layer with honeycomb-shaped depressions and a graphite layer with honeycomb-shaped bulges to obtain an embedded layer;
s2, mixing diatomite and water according to the proportion, then adding a binder, and uniformly mixing to obtain a slurry;
s3, pouring a half of the slurry obtained in the step S2 into a mold, compacting the half by using a pressure plate, sequentially putting the antibacterial gel layer and the embedded layer obtained in the step S1, pouring all the residual slurry into the mold, and compacting the residual slurry by using the pressure plate to obtain the floor mat;
and S4, air-drying the ground mat obtained in the step S3 by using a hot air blower at the temperature of 120-140 ℃, and then cooling to room temperature to obtain the anti-slip ground mat.
The invention has the advantages of
Compared with the prior art, the invention has the following beneficial effects:
the coating layer made of the diatomite has strong water absorption performance, can keep the environment dry, has a remarkable anti-skidding effect, and can prevent the old from falling down; the anti-slip floor mat has the advantages that the fiber layer with the honeycomb-shaped depressions and the graphite layer with the honeycomb-shaped protrusions can greatly enhance the adsorption capacity of the anti-slip floor mat to odor through the interaction of the bamboo charcoal fiber, the nano ceramic crystal and the modified graphite loaded with the nano zinc oxide, and can effectively inhibit the growth of bacteria and fungi, so that the living environment of old people is improved; moreover, the loaded nano zinc oxide between the graphite layer with the honeycomb-shaped bulges and the antibacterial gel layer can promote the decomposition of the nano titanium dioxide on organic matters under illumination, so that the growth of bacteria and fungi can be restrained from the source, the decomposition of formaldehyde can be promoted, and the living environment of the old is further improved.
Drawings
FIG. 1 shows a schematic structural diagram of an embodiment of the present invention;
in the figure, 1, a coating layer; 2. a fibrous layer with honeycomb-like depressions; 3. a graphite layer with honeycomb-shaped protrusions; 4. an antimicrobial gel layer.
Detailed Description
In order to make the technical problems, technical solutions and advantageous effects solved by the present invention more apparent, the present invention is further described in detail below with reference to the following embodiments.
Examples
The following examples are used herein to demonstrate preferred embodiments of the invention. It will be appreciated by those of skill in the art that the techniques disclosed in the examples which follow represent techniques discovered by the inventor to function in the invention, and thus can be considered to constitute preferred modes for its practice. Those of skill in the art should, in light of the present disclosure, appreciate that many changes can be made in the specific embodiments which are disclosed and still obtain a like or similar result without departing from the spirit or scope of the invention.
Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs and the disclosures and references cited herein and the materials to which they refer are incorporated by reference.
Those skilled in the art will recognize, or be able to ascertain using no more than routine experimentation, many equivalents to the specific embodiments of the invention described herein. Such equivalents are intended to be encompassed by the following claims.
Experiment I,
Preparation of the fibrous layer with honeycomb-like depressions: heating polyester fiber to 260 ℃ to melt the polyester fiber, adding bamboo charcoal fiber and nano ceramic crystal, stirring to uniformly mix the bamboo charcoal fiber and the nano ceramic crystal, pouring the mixed solution into a mold, and cooling by a program to obtain the fiber layer with honeycomb-shaped depressions; wherein the programmed cooling process comprises cooling at 260-200 deg.C for 15min, cooling at 200-100 deg.C for 20min, maintaining at 100 deg.C for 5min, and cooling at 100-30 deg.C for 30min;
preparing a graphite layer with honeycomb-shaped protrusions; mixing 1 part by weight of modified graphite with 0.3 part by weight of adhesive, pouring the mixed solution into a mold, and air-drying at normal temperature to obtain a graphite layer with honeycomb-shaped protrusions;
preparing modified graphite: mixing graphite and a sodium hydroxide solution, performing ultrasonic treatment at 40 ℃ for 15min, filtering, washing with water, drying, dispersing the dried graphite into zinc sulfate-zinc acetate solutions with the concentrations of 0.5mol/L respectively, performing ultrasonic treatment for 30min, filtering, and calcining the graphite at 200 ℃ to obtain the modified graphite loaded with nano zinc oxide.
Preparation of an antibacterial gel layer: dissolving sodium alginate in water of 100 ℃, adding the fine-pore silica gel and the nano titanium dioxide, performing ultrasonic treatment for 40min to obtain a uniformly dispersed mixture, evaporating excessive water, pouring the mixture into a mold, and cooling to room temperature to obtain the antibacterial gel layer.
Example 1
An anti-slip floor mat, the outer shell is a coating layer, and the interior of the anti-slip floor mat is provided with a fiber layer with honeycomb-shaped depressions, a graphite layer with honeycomb-shaped bulges and an antibacterial gel layer from top to bottom in sequence;
the coating layer is prepared from 90 parts by weight of diatomite, 8 parts by weight of epoxy resin EP-20 and 50 parts by weight of water according to the method of experiment I.
The fiber layer with the honeycomb-shaped depressions is prepared from 13 parts by weight of bamboo charcoal fibers, 4 parts by weight of nano ceramic crystals and 25 parts by weight of polyester fibers according to the method of experiment one.
The graphite layer with honeycomb-shaped projections was prepared according to the method of experiment one.
The antibacterial gel layer is prepared from 15 parts by weight of sodium alginate, 4 parts by weight of fine-pore silica gel, 6 parts by weight of nano titanium dioxide and 25 parts by weight of water according to the method of experiment one.
A preparation method of an anti-slip floor mat comprises the following steps:
s1, embedding and combining a fiber layer with honeycomb-shaped depressions and a graphite layer with honeycomb-shaped bulges to obtain an embedded layer;
s2, mixing diatomite and water according to the proportion, then adding epoxy resin EP-20, and uniformly mixing to obtain a slurry;
s3, pouring half of the slurry obtained in the step S2 into a mold, compacting by using a pressure plate, then sequentially putting an antibacterial gel layer and the embedded layer obtained in the step S1, pouring all the residual slurry into the mold, and compacting by using the pressure plate to obtain the ground mat;
and S4, air-drying the ground mat obtained in the step S3 by using a hot air blower at the temperature of 130 ℃, and then cooling to room temperature to obtain the anti-slip ground mat.
Comparative example 1
An anti-slip floor mat comprises a fiber layer with honeycomb-shaped depressions, a graphite layer with honeycomb-shaped bulges and an antibacterial gel layer from top to bottom in sequence;
the fiber layer with the honeycomb-shaped depressions is prepared from 13 parts by weight of bamboo charcoal fibers, 4 parts by weight of nano ceramic crystals and 25 parts by weight of polyester fibers according to the method of experiment one.
The antibacterial gel layer is prepared from 15 parts by weight of sodium alginate, 4 parts by weight of fine-pore silica gel, 6 parts by weight of nano titanium dioxide and 25 parts by weight of water according to the method of experiment one.
A preparation method of an anti-slip floor mat comprises the following steps:
s1, embedding and combining a fiber layer with honeycomb-shaped depressions and a graphite layer with honeycomb-shaped bulges to obtain an embedded layer;
s2, uniformly coating the epoxy resin EP-20 on the embedding layer, and then bonding the antibacterial gel layer; the anti-slip floor mat can be obtained, and the cutting machine is utilized to cut the anti-slip floor mat according to the size of the floor mat body actually processed.
Comparative example 2
Comparative example 2 differs from example 1 in that comparative example 2 does not contain a fibrous layer with honeycomb-like depressions.
Comparative example 3
Comparative example 3 differs from example 1 in that comparative example 3 does not contain a graphite layer with honeycomb-shaped projections.
Comparative example 4
Comparative example 4 differs from example 1 in that comparative example 4 does not contain an antimicrobial gel layer.
Comparative example 5
Comparative example 5 has the same composition as example 1 except that the bamboo charcoal fiber is replaced with an equal amount of acetate fiber.
Comparative example 6
Comparative example 6 has the same composition as example 1 except that the nano-ceramic crystals are replaced with the same amount of attapulgite.
Comparative example 7
Comparative example 7 is the same composition as example 1 except that the modified graphite was replaced with an equal amount of graphite.
Comparative example 8
Comparative example 8 has the same composition as example 1 except that the nano titanium dioxide is replaced with nano zinc oxide in the same amount.
Comparative example 9
Comparative example 9 is different from example 1 in that the fibrous layer with honeycomb-shaped depressions of comparative example 9 is prepared from 13 parts by weight of bamboo charcoal fiber and 25 parts by weight of polyester fiber according to the method of experiment one; the graphite layer with the honeycomb-shaped protrusions is prepared from graphite according to the method of experiment one; the antibacterial gel layer was prepared from 15 parts by weight of sodium alginate and 25 parts by weight of water according to the method of experiment one.
Comparative example 10
Comparative example 10 is the same in composition as example 1 except that the modified graphite utilizes an equal amount of the nano copper oxide-supporting modified graphite.
The preparation method of the modified graphite loaded with the nano copper oxide comprises the following steps:
mixing graphite and a sodium hydroxide solution, performing ultrasonic treatment at 40 ℃ for 15min, filtering, washing with water, drying, dispersing the dried graphite into copper acetate solutions with the concentrations of 0.5mol/L respectively, performing ultrasonic treatment for 30min, filtering, and calcining the graphite at 200 ℃ to obtain the modified graphite loaded with the nano copper oxide.
Comparative example 11
Comparative example 11 is a skid pad purchased from a megagold plastic product factory.
Test I, measurement of anti-skid Property
The instruments used for the experiments: CJY, ningxia mechanical research institute, LLC; TC-FH1, chinese building materials Xianyang ceramics research institute; BM-III, jiangsu bathing Yangkong road instruments ltd; the flat toughened glass is 300mmx300 mm and 600mmx600 mm, and has a static friction factor of 0.60 in a dry state and a static friction factor of 0.50 in a wet state, from south Sichuan glass energy-saving glass Limited.
Measuring alpha-dynamic critical angle by using an inclined platform method, wherein the test method refers to SN/T4132-2015; the inclined platform method is graded as shown in table 1 below:
TABLE 1 inclined plateau method of grading
The pendulum sliding resistance value under the beta-wet state is measured by using a pendulum method, the test method refers to GB/T37798-2019/appendix B, and the scale division of the pendulum method is shown in the following table 2:
TABLE 2 pendulum method grading
The horizontal traction method refers to G B/T4100-2015/appendix M ceramic tile/appendix M-measurement of friction factor to test the dynamic anti-slip performance of the sample in a wet state, the slide block is placed at the geometric center of the non-slip mat, and the maximum horizontal traction force and the relative motion among the slide block, the non-slip mat and the plate glass in the test process are recorded. The test value is expressed as the dynamic anti-slip factor μ, which is the ratio of the maximum horizontal traction force to the weight of the slider.
The anti-slip mats prepared in example 1 and comparative examples 1 to 10 were subjected to the anti-slip property measurement according to the above-described method, and the results are shown in Table 3:
TABLE 3 measurement results of anti-skid Properties
Test two, antibacterial Property measurement
The antibacterial property test of example 1 and comparative examples 1 to 10 was carried out according to the national standard GB/T23164-2008, and the test results are shown in Table 4.
TABLE 4 results of the determination of the bacteriostatic ratio
| Escherichia coli (%) | Staphylococcus aureus (%) | Fungi | |
| Example 1 | 99.9 | 99.7 | Growth without fungi |
| Comparative example 1 | 98.7 | 99.3 | Growth without fungi |
| Comparative example 2 | 94.1 | 93.2 | Visible to the microscope |
| Comparative example 3 | 78.2 | 79.3 | Visible to a microscope |
| Comparative example 4 | 75.3 | 72.1 | Is visible to the naked eye |
| Comparative example 5 | 82.3 | 80.4 | Is visible to the naked eye |
| Comparative example 6 | 79.8 | 80.7 | Visible to a microscope |
| Comparative example 7 | 76.3 | 75.8 | Visible to the microscope |
| Comparative example 8 | 80.3 | 78.9 | Visible to the microscope |
| Comparative example 9 | 50.3 | 49.8 | Can be seen with naked eyes |
| Comparative example 10 | 95.3 | 89.8 | Visible to a microscope |
| Comparative example 11 | 63.2 | 63.1 | Can be seen with naked eyes |
Test III, measurement of adsorption Property
Experiment 1: taking 100mL of 2% ammonia water solutionPouring the liquid into a container with the highest height of 100mm and the diameter of 50mm, placing the container in a closed test space connected with a gas detector for volatilization, and starting a small fan in the closed test space to accelerate the ammonia concentration to be uniform at any position; and testing the change of concentration value at each detection port by using a gas detector until the concentration reaches 1.2mg/m 3 (1.5 ppm) immediately covering a cover of the ammonia water container to stop volatilization, closing the fan, then placing the anti-skid ground mat into the closed space, recording the numerical value on the gas detector every 15s until 8min, stopping recording, and calculating the ammonia gas removal rate of the anti-skid ground mat for 8 min.
Experiment 2: pouring 100mL of 2% ammonia water solution into a container with the highest height of 100mm and the diameter of 50mm, placing the container in a closed test space connected with a gas detector for volatilization, and starting a small fan in the closed test space to accelerate the ammonia concentration at any position to be uniform; and testing the change of concentration value at each detection port by using a gas detector until the concentration reaches 0.4mg/m 3 (0.5 ppm) immediately covering the ammonia water container with a lid to stop volatilization while keeping the small fan rotating, placing the anti-skid mat in the sealed space for 48h, and supplementing with external ammonia gas supplementing instrument when ammonia gas concentration is insufficient, and controlling ammonia gas concentration value in the sealed space to be 0.32mg/m 3 ±0.08mg/m 3 (0.4 ppm +/-0.1 ppm), taking out the anti-skid ground mat after being placed in a closed space for 48 hours, standing in normal-temperature air for 48 hours, carrying out an experiment according to experiment 1, and recording the ammonia removal rate after 48 hours.
Experiment 3: pouring 100mL of 2% formaldehyde aqueous solution into a container with the highest height of 100mm and the diameter of 50mm, placing the container in a closed test space connected with a gas detector for volatilization, and starting a small fan in the closed test space to accelerate the formaldehyde concentration at any position to be uniform; and testing the change of concentration value at each detection port by using a gas detector until the concentration reaches 1.2mg/m 3 (1.5 ppm) immediately cover the container to stop evaporation, and turn off the fan, then place the non-slip mat into the enclosed space and record every 15 secondsAnd (4) stopping recording the numerical value on the gas detector until 8min, and calculating the formaldehyde removal rate of the 8min anti-skid floor mat.
The above experiment was performed on the anti-slip mats prepared in example 1 and comparative examples 1 to 10, and the results of the experiment are shown in table 5.
TABLE 5 removal rate of ammonia
The experimental data in tables 3 to 5 show that the coating layer, the fiber layer with the honeycomb-shaped depressions, the graphite layer with the honeycomb-shaped protrusions and the antibacterial gel layer of the anti-slip floor mat prepared by the invention are mutually linked, so that the anti-slip performance and the antibacterial performance of the anti-slip floor mat can be effectively improved, and the nano titanium dioxide can decompose formaldehyde through solar illumination, so that the formaldehyde adsorption performance is remarkably improved.
After reading the above teachings of the present invention, one of ordinary skill in the art may make various changes and modifications to the invention, and such equivalents are intended to fall within the scope of the invention as defined by the appended claims.
Claims (5)
1. The preparation method of the anti-slip ground mat is characterized by comprising the following steps:
s1, embedding and combining a fiber layer with honeycomb-shaped depressions and a modified graphite layer with honeycomb-shaped bulges to obtain an embedded layer; wherein, the fiber layer with the honeycomb-shaped recess is prepared by 10 to 15 weight parts of bamboo charcoal fiber, 3 to 5 weight parts of nano ceramic crystal and 20 to 30 weight parts of polyester fiber; the modified graphite layer with the honeycomb-shaped bulges is prepared from modified graphite;
s2, mixing diatomite with water, adding a binder, and uniformly mixing to obtain slurry;
s3, pouring a half of the slurry obtained in the step S2 into a mold, compacting the half by using a pressure plate, sequentially putting the antibacterial gel layer and the embedded layer obtained in the step S1, pouring all the residual slurry into the mold, and compacting the residual slurry by using the pressure plate to obtain the floor mat; wherein the antibacterial gel layer is prepared from 10-20 parts by weight of sodium alginate, 3-5 parts by weight of fine-pore silica gel, 5-8 parts by weight of nano titanium dioxide and 20-30 parts by weight of water;
and S4, air-drying the ground mat obtained in the step S3 by using a hot air blower at the temperature of 120-140 ℃, and then cooling to room temperature to obtain the anti-slip ground mat.
2. The method according to claim 1, wherein in step S1, the fibrous layer with honeycomb-like depressions is prepared as follows: heating 20-30 parts by weight of polyester fiber to 260 ℃ to melt the polyester fiber, adding 10-15 parts by weight of bamboo charcoal fiber and 3-5 parts by weight of nano ceramic crystal, stirring to uniformly mix the bamboo charcoal fiber and the nano ceramic crystal, pouring the mixed solution into a mold, and carrying out programmed cooling to obtain the fiber layer with the honeycomb-shaped depressions; wherein the programmed cooling process comprises cooling at 260-200 deg.C for 15min, cooling at 200-100 deg.C for 20min, maintaining at 100 deg.C for 5min, and cooling at 100-30 deg.C for 30min.
3. The method according to claim 1, wherein the modified graphite layer with honeycomb-shaped protrusions in step S1 is prepared as follows: mixing 1 part by weight of modified graphite with 0.3 part by weight of adhesive, pouring the mixed solution into a mold, and air-drying at normal temperature to obtain a graphite layer with honeycomb-shaped protrusions;
wherein the modified graphite is prepared by the following method: mixing graphite and a sodium hydroxide solution, performing ultrasonic treatment at 40 ℃ for 15min, filtering, washing with water, drying, dispersing the dried graphite into a zinc sulfate-zinc acetate solution, performing ultrasonic treatment for 30min, filtering, and calcining the graphite at 200 ℃ to obtain the modified graphite loaded with nano zinc oxide.
4. The preparation method according to claim 1, wherein the specific process of step S2 is as follows: mixing 80-100 parts by weight of diatomite and 40-60 parts by weight of water, then adding 5-10 parts by weight of adhesive, and uniformly mixing to obtain the slurry.
5. The method of claim 1, wherein the antimicrobial gel layer is prepared in step S3 by the following steps: dissolving 10-20 parts by weight of sodium alginate in 20-30 parts by weight of water at 100 ℃, adding 3-5 parts by weight of fine-pore silica gel and 5-8 parts by weight of nano titanium dioxide, performing ultrasonic treatment for 40min to obtain a uniformly dispersed mixture, evaporating excessive water, pouring the mixture into a mold, and cooling to room temperature to obtain the antibacterial gel layer.
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| CN115139582A (en) | 2022-10-04 |
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