CN114293722A

CN114293722A - Antibacterial plate and preparation process thereof

Info

Publication number: CN114293722A
Application number: CN202111678261.5A
Authority: CN
Inventors: 胡兴泉; 徐强
Original assignee: Suzhou Shengyi Purification Engineering Equipment Co ltd
Current assignee: Suzhou Shengyi Purification Engineering Equipment Co ltd
Priority date: 2021-12-31
Filing date: 2021-12-31
Publication date: 2022-04-08

Abstract

The invention discloses an antibacterial plate and a preparation process thereof. The antibacterial sheet includes: the antibacterial substrate is internally provided with a cavity; the antibacterial substrate is provided with a first through hole penetrating through the antibacterial substrate; the first through hole is communicated with the cavity; the insect expelling block is fixedly arranged in the cavity; the two inner plates are symmetrically and fixedly arranged on two sides of the antibacterial substrate; a second through hole communicated with at least one first through hole is formed in the inner plate; the two reinforcing core grids are respectively fixedly arranged on one sides of the two inner plates, which are far away from each other; at least part of the hollow-out positions of the reinforced core grids are fixedly provided with buffer parts; the two buffer plates are respectively and fixedly arranged on one sides of the two reinforcing core grids, which are far away from each other; and the two panels are respectively and fixedly arranged on one sides of the two buffer plates, which are far away from each other.

Description

Antibacterial plate and preparation process thereof

Technical Field

The invention relates to the technical field of antibacterial plates, in particular to an antibacterial plate and a preparation process thereof.

Background

In recent years, the environment-friendly materials for the green building wall in China are fiercely and vigorously warns, a consensus has been formed on the society for developing the environment-friendly interior wall decorative materials, and along with the gradual establishment of a management system and a standard system and the enhancement of the environment-friendly effect of novel decorative materials, the green building is well developed. The antibacterial board is used as an environment-friendly decorative material, is a board which plays a role in inhibiting or killing bacteria, mold, alcogen, algae, even viruses and the like in a use environment, and keeps self-cleanness by inhibiting the propagation of microorganisms. The antibacterial board is mainly used for decoration in public places, particularly medical and clean places, and the antibacterial board firstly needs to meet the necessary requirements of basic materials on physical, chemical, mechanical and other properties when the basic materials are used, and simultaneously needs to consider the requirement of having the special antibacterial function and the additional factors generated by the special antibacterial function. The existing antibacterial board is mainly made by taking a density fiber cement board as a base material and coating an antibacterial coating on the surface of the base material, and the surface of the antibacterial board is hard, has poor anti-collision performance and poor antibacterial performance and is inconvenient to use.

In the Chinese invention patent application number: CN201510408081.3 discloses an aldehyde-purifying antibacterial ecological plate and a preparation method thereof, and although the aldehyde-purifying antibacterial ecological plate is endowed with the functions of adsorbing and decomposing formaldehyde on the surface, purifying air and improving environmental quality indexes. The formaldehyde purification efficiency reaches over 75 percent, the formaldehyde purification effect durability is more than 60 percent, but the formaldehyde-purifying antibacterial ecological plate has weak impact resistance and is easy to be damaged by worms.

Therefore, it is necessary to provide an antibacterial sheet and a process for preparing the same to solve the above problems.

Disclosure of Invention

Technical problem to be solved

Aiming at the defects of the prior art, the invention provides an antibacterial board and a preparation process thereof, and solves the problems that the aldehyde-purifying antibacterial ecological board and the preparation method thereof have the defects of no capability of absorbing impact to buffer and poor use effect in the use process, and all materials have no fireproof and mothproof functions and are unsafe in use.

(II) technical scheme

In order to achieve the purpose, the invention is realized by the following technical scheme:

an antimicrobial panel comprising:

the antibacterial substrate is internally provided with a cavity; the antibacterial substrate is provided with a first through hole penetrating through the antibacterial substrate; the first through hole is communicated with the cavity;

the insect expelling block is fixedly arranged in the cavity;

the two inner plates are symmetrically and fixedly arranged on two sides of the antibacterial substrate; a second through hole communicated with at least one first through hole is formed in the inner plate;

the two reinforcing core grids are respectively fixedly arranged on one sides of the two inner plates, which are far away from each other; at least part of the hollow-out positions of the reinforced core grids are fixedly provided with buffer parts;

the two buffer plates are respectively and fixedly arranged on one sides of the two reinforcing core grids, which are far away from each other; and

and the two panels are respectively and fixedly arranged on one sides of the two buffer plates, which are far away from each other.

Optionally, the insect-repellent block comprises synthetic camphor, sulfur, wormwood extract and spices. The quantity of expelling parasite piece is a plurality ofly, and is a plurality of expelling parasite piece is rectangular array and distributes.

Optionally, the inner plate and the face plate are both polyester fiber plates, the reinforced core grid is a rigid plastic grid, and the buffer member is a metal elastic plate.

The bolster becomes arch, just the bolster all is to keeping away from one side bending of antibiotic base plate.

Optionally, the buffer plate is a plate made of a material conforming to the reinforcing core grid.

Optionally, the side walls of the first through hole and the second through hole are provided with insect-repellent layers.

The invention provides a preparation process of an antibacterial plate, which comprises the following steps:

a: preparing glue: mixing melamine and a 37% formaldehyde aqueous solution according to a molar ratio of 2-3 to obtain melamine formaldehyde resin for bonding each plate;

b: processing a base material: forming a via hole, namely a first through hole, on the antibacterial substrate; forming a through hole, namely a second through hole, on the inner plate;

c: cleaning a base material: uniformly cleaning and drying the processed base material to ensure that the water content is dried to be at least 4-5%;

d: and (3) embryo grouping: firstly, placing a plurality of insect-repelling blocks in a cavity of an antibacterial substrate according to the arrangement mode of a rectangular array;

e: brushing glue: according to each 1m³Brushing glue on the plates needing to be bonded according to the proportion of 200-230 ml of melamine formaldehyde resin;

f: bonding: bonding the plates after being brushed with the glue to obtain an antibacterial plate primary body;

g: hot pressing: carrying out hot-pressing treatment on the primary body of the antibacterial plate, wherein the heating temperature is 130-150 ℃, the pressurizing pressure is 9MPa, and the maintaining time is 110-130 min;

h: and (3) cooling: and cooling the antibacterial plate primary body subjected to the hot pressing treatment to obtain the antibacterial plate.

(III) advantageous effects

The invention provides an antibacterial plate and a preparation process thereof, and the antibacterial plate has the following beneficial effects:

1. according to the invention, the cavity is arranged in the antibacterial substrate, and the first through hole and the second through hole are respectively arranged on the antibacterial substrate and the inner plate, so that the odor of the insect repelling block flows between the antibacterial substrate and the inner plate and between the inner plate and the buffer plate, thereby preventing insects from gnawing the antibacterial plate, and further prolonging the service life of the antibacterial plate.

2. The strength of the antibacterial plate can be increased through the reinforced core grids, so that the phenomenon that the antibacterial plate is deformed and twisted is avoided when the antibacterial plate is used for a long time. Thereby through a plurality of bolster and the inboard elastic deformation that can pass through the bolster of strengthening core grid when using mutually adaptation of buffer board, reduce the impact force that acts on antibiotic base plate, inner panel, buffer board and panel, make antibiotic board have better shock resistance.

3. The melamine formaldehyde resin can bond various boards, and can utilize self extinguishing property and arc resistance of the melamine formaldehyde resin to play a role in flame retardance, so that the melamine formaldehyde resin can be quickly self extinguished after a fire is started, the fire is prevented from being further expanded, and the melamine formaldehyde resin is safer to use.

4. The melamine formaldehyde resin can be kept in a liquid state at normal temperature all the time through the performance of the melamine formaldehyde resin, and the melamine formaldehyde resin can not be solidified, so that the melamine formaldehyde resin is more convenient to store, and the condition that the melamine formaldehyde resin is solidified due to improper storage and influences later-stage use is avoided.

Drawings

FIG. 1 is a perspective view of the structure of the present invention;

FIG. 2 is a first schematic cross-sectional perspective view of the inventive structure;

FIG. 3 is a second schematic cross-sectional perspective view of the inventive structure;

FIG. 4 is an enlarged view of the structure of region A in FIG. 2 according to the present invention;

FIG. 5 is an enlarged view of the structure of region B in FIG. 3 according to the present invention.

In the figure: 1. an antimicrobial substrate; 2. a cavity; 3. an insect-repellent block; 4. an inner plate; 5. reinforcing the core grid; 6. a buffer member; 7. a buffer plate; 8. a panel; 9. a first through hole; 10. a second via.

Detailed Description

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.

According to the present invention, as shown in fig. 1 to 5, there is provided an antibacterial board according to an embodiment, including an antibacterial base plate 1, an insect-repellent block 3, two inner plates 4, two reinforcing core meshes 5, two buffer plates 7, and two face plates 8. Wherein the antibacterial substrate 1 is provided with a cavity 2. The antibacterial substrate 1 is provided with a first through hole 9 penetrating through the antibacterial substrate 1. The first through hole 9 communicates with the cavity 2. The insect-expelling block 3 is fixedly arranged in the cavity 2. The two inner plates 4 are symmetrically and fixedly arranged on two sides of the antibacterial substrate 1. The inner plate 4 is provided with a second through hole 10 communicating with one first through hole 9. The two reinforcing core grids 5 are respectively fixedly arranged on one sides of the two inner plates 4 which are far away from each other. At least part of the hollow-out positions of the reinforced core grids 5 are fixedly provided with buffer parts 6. The two buffer plates 7 are respectively and fixedly arranged on one sides of the two reinforcing core grids 5 which are far away from each other. The two panels 8 are respectively fixed on one sides of the two buffer plates 7 far away from each other.

Above-mentioned antibiotic board sets up cavity 2 in through antibiotic base plate 1 to set up first through-hole 9 and second through-hole 10 on antibiotic base plate 1 and inner panel 4 respectively, so that the smell of expelling parasite piece 3 flows to between antibiotic base plate 1 and the inner panel 4, and between inner panel 4 and buffer board 7, thereby can prevent that there is the worm to gnaw the antibiotic board and eat, and then increase antibiotic board's life.

In addition, the strength of the antibacterial plate can be increased through the reinforcing core grids 5, so that the phenomenon that the antibacterial plate is deformed and distorted when the antibacterial plate is used for a long time is avoided. Thereby can reduce the impact force that acts on antibiotic base plate 1, inner panel 4, buffer board 7 and panel 8 through the elastic deformation of bolster 6 and the 7 looks adaptations of buffer board of strengthening the inboard core net 5 when using, make antibiotic board have better shock resistance.

In this embodiment, the buffer 6 is disposed at the hollow position of the reinforcing core grid 5, so as to avoid increasing the thickness of the antibacterial plate due to the arrangement of the buffer 6.

In this embodiment, the antibacterial sheet includes a plurality of buffers 6. And a buffer 6 is arranged at each hollowed-out position of the reinforcing core grid 5. It will be appreciated that in other possible embodiments, the buffer may be provided only at partially hollowed-out positions.

In this embodiment, one second through hole 10 communicates with one first through hole 9. It will be appreciated that in other possible embodiments, one second through hole may also communicate with at least two first through holes.

In this embodiment, the position of first through-hole and second through-hole all corresponds with the fretwork position of strengthening the core net to the smell of the expelling parasite piece 3 of being convenient for flows to buffer board department. It can be understood that, in another feasible embodiment, each second through hole may also partially correspond to the hollowed-out position of the reinforcement core grid, and accordingly, whether the first through hole corresponds to the hollowed-out position of the reinforcement core grid is not limited, and it is sufficient to ensure that the first through hole and the second through hole are communicated.

In this embodiment, the two reinforcing core grids 5 are correspondingly arranged at the hollow positions. It is understood that, in another possible embodiment, the hollow positions of the two reinforcing core grids may not be correspondingly arranged, so as to better increase the strength of the antibacterial board.

In this embodiment, the reinforcing core grids 5 are rectangular. It will be appreciated that in other possible embodiments, the openings in the core grid 5 are not limited to being rectangular, but may be regular or irregular, such as circular, trapezoidal, triangular, hexagonal, diamond-shaped, etc. However, it will be appreciated that the triangle shape has better stability. Therefore, if the fretwork of reinforcement core net 5 is triangle-shaped, then the reinforcement core net can have better stability, and then better prevention antibiotic board takes place deformation.

It will be appreciated that in other possible embodiments, the antimicrobial panel is not limited to the above-described structure, but may include more panel structures. For example, in addition to providing the reinforcing core mesh, other reinforcing structures may be provided, such as reinforcing ribs fixedly provided on the surface of the inner panel remote from the antimicrobial substrate.

As an optional technical scheme of the invention: the insect expelling block 3 comprises synthetic camphor, sulfur, wormwood extract and spice,

in this embodiment, the number of the insect-repellent blocks 3 is plural, and the plural insect-repellent blocks 3 are distributed in a rectangular array. It is understood that the number of the insect-repellent blocks may be set according to the size of the insect-repellent block. When the size of the insect expelling block is large, only one or two insect expelling blocks can be arranged, and the smell emitted by the insect expelling blocks can prevent insects from gnawing the antibacterial board.

Specifically, the preparation method of the synthetic camphor comprises the following steps: performing reduced pressure fractionation on high-grade turpentine to obtain alpha-pinene, and isomerizing the alpha-pinene into camphene by using a metatitanic acid catalyst; esterifying pure camphene (freezing point above 44 deg.C) obtained by fractional distillation with glacial acetic acid to obtain isobornyl acetate; fractionating and purifying until the ester content reaches more than 95%, pressurizing and saponifying with sodium hydroxide aqueous solution with concentration of about 45% and proper amount of xylene, adding proper amount of xylene as solvent after the reaction is finished, standing for layering, separating sodium acetate, and washing with water to neutrality to obtain isoborneol xylene solution; using basic ketonic carbonate [ CuCO 3. Cu (OH)2] as catalyst, dehydrogenating isoborneol at 180 deg.C, evaporating xylene, and sublimation at 212 deg.C to obtain synthetic camphor.

The folium Artemisiae Argyi extract is brown powder product, and is prepared from dried folium Artemisiae Argyi. A preparation method of folium Artemisiae Argyi extract comprises: extracting with water-ethanol as extraction solvent under reflux for three times (each for 2 hr), mixing extractive solutions, discarding residues, concentrating the extractive solution, recovering ethanol, evaporating water, spray drying to obtain folium Artemisiae Argyi extract powder, pulverizing the powder with pulverizer, sieving with 100-mesh 120-mesh oscillating sieve to obtain 100-mesh 120-mesh powder, and mixing with mixer for 1 hr.

Spice refers to a natural plant product with typical flavors of fragrance and spice, or some essential oil extracted from plants (flowers, leaves, stems, roots, fruits or whole plants, etc.).

As an optional technical scheme of the invention: the inner plate 4 and the face plate 8 are both polyester fiber plates, the reinforced core grids 5 are rigid plastic grids, and the buffer parts 6 are metal elastic plates.

Specifically, in the present embodiment, the buffer member 6 is arched, and the buffer member 6 is bent toward a side away from the antibacterial substrate 1.

In this embodiment, the buffer 6 is fixed to the core-stiffened grid 5. It will be appreciated that in other possible embodiments, the buffer member may also be fixedly provided on the inner plate or on the buffer plate.

As an optional technical scheme of the invention: the buffer plate 7 is formed of the same material as the core grid 5. It will be appreciated that in other possible embodiments, the baffle and the reinforcement grid are not limited to being formed from the same material.

Optionally, in another possible embodiment, the sidewalls of the first through hole and the second through hole are both provided with an insect-repellent layer. Therefore, the odor emitted by the insect-repellent layer can be more quickly transmitted to the inner plate and the buffer plate, and a better insect-repellent effect is achieved. Further, alternatively, the insect-repellent layer may have the same composition as the insect-repellent block. Of course, the components of the insect-repellent layer and the insect-repellent block may be different from each other, so that the purpose of repelling insects can be achieved.

An embodiment of the present invention provides a process for preparing an antibacterial plate, including the following steps:

a: preparing glue: mixing melamine and a 37% formaldehyde aqueous solution according to a molar ratio of 2 to obtain melamine formaldehyde resin for bonding each plate;

it is understood that in other possible embodiments, the molar ratio of the trichlorocyanamide to the 37% aqueous formaldehyde solution is not limited to 2, but may be any value between 2.1, 2.2, 2.3, 2.4, 2.5, 2.6, 2.7, 2.8, 2.9, 3.0, etc. between 2 and 3.

B: processing a base material: forming a via hole, namely a first through hole 9, on the antibacterial substrate; forming a via hole, namely a second via hole 10, on the inner plate;

c: cleaning a base material: uniformly cleaning and drying the processed base material to ensure that the moisture content is dried to be at least 4%;

therefore, the influence on the curing of the adhesive is avoided, and the problem that the adhesion is not firm due to the attachment of foreign matters on the surface in the later period of adhesion can be prevented through cleaning;

d: and (3) embryo grouping: firstly, a plurality of insect-repellent blocks 3 are placed in a cavity 2 of an antibacterial substrate 1 according to a rectangular array arrangement mode;

e: brushing glue: according to each 1m³Brushing glue on the plates needing to be bonded according to the proportion of 200ml of melamine formaldehyde resin;

it is understood that the panel includes the antibacterial substrate 1, the inner panel 4, the reinforcing core grid 5, the buffer plate 7 and the face plate 8.

it can be understood that when the plates are bonded, the antibacterial plates are bonded according to the sequence provided by the application; in addition, if the sizes of the plates are consistent, the edges of the adjacent plates are opposite to each other during bonding, so that the bonded antibacterial plate has a larger qualified area.

thereby curing the melamine formaldehyde resin and bonding and fixing the adjacent plates.

In the step H, the antibacterial sheet body subjected to the hot pressing treatment may be left in a normal temperature environment to be cooled by itself, or may be left in a low temperature environment to be cooled.

Optionally, in order to facilitate storage and transportation of the antibacterial board, the antibacterial board may be packaged after being manufactured. Specifically, the antibacterial plate can be wrapped and boxed, so that the production and the manufacture of the antibacterial plate are completed.

Optionally, if the area of the antibacterial plate obtained after step H is large, the antibacterial plate may be cut according to the use requirement before being packaged, so as to facilitate storage and transportation.

In summary, the following steps: according to the antibacterial plate prepared by the preparation process of the antibacterial plate, the cavity 2 is arranged in the antibacterial substrate 1, and the first through hole 9 and the second through hole 10 are respectively arranged on the antibacterial substrate 1 and the inner plate 4, so that the smell of the insect expelling block 3 can flow between the antibacterial substrate 1 and the inner plate 4 and between the inner plate 4 and the buffer plate 7, the insect can be prevented from gnawing the antibacterial plate, and the service life of the antibacterial plate is prolonged.

The strength of the antibacterial plate can be increased through the reinforcing core grids 5, so that the phenomenon that the antibacterial plate is deformed and distorted when the antibacterial plate is used for a long time is avoided. Thereby can reduce the impact force that acts on antibiotic base plate 1, inner panel 4, buffer board 7 and panel 8 through the elastic deformation of bolster 6 and the 7 looks adaptations of buffer board of strengthening the inboard core net 5 when using, make antibiotic board have better shock resistance.

According to the invention, the melamine formaldehyde resin can be used for bonding various plates, and can also be used for achieving a flame retardant effect by utilizing self-extinguishing property and arc resistance, and can be quickly self-extinguished after a fire is started, so that the fire is prevented from further expanding, and the melamine formaldehyde resin is safer to use.

In addition, the performance of the melamine formaldehyde resin can be kept in a liquid state at normal temperature all the time, and solidification can not occur, so that the melamine formaldehyde resin is more convenient to store, and the condition that the melamine formaldehyde resin is solidified due to improper storage and influences later-stage use is avoided.

It is understood that in other possible embodiments, the bonding treatment of the various boards by the trichlorocyanamide formaldehyde resin is not limited, and other bonding materials or physical fixing methods can be used to fix the various boards together.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments or portions thereof without departing from the spirit and scope of the invention.

Claims

1. An antimicrobial panel, comprising: the method comprises the following steps:

the antibacterial substrate (1) is provided with a cavity (2); the antibacterial substrate (1) is provided with a first through hole (9) penetrating through the antibacterial substrate (1); the first through hole (9) is communicated with the cavity (2);

the insect expelling block (3) is fixedly arranged in the cavity (2);

the two inner plates (4) are symmetrically and fixedly arranged on two sides of the antibacterial substrate (1); a second through hole (10) communicated with at least one first through hole (9) is formed in the inner plate (4);

the two reinforcing core grids (5) are respectively fixedly arranged on one sides of the two inner plates (4) which are far away from each other; at least part of the hollow-out positions of the reinforced core grids (5) are fixedly provided with buffer parts (6);

the two buffer plates (7) are respectively and fixedly arranged on one sides of the two reinforcing core grids (5) which are far away from each other; and

and the two panels (8) are respectively and fixedly arranged on one sides of the two buffer plates (7) which are far away from each other.

2. An antimicrobial panel in accordance with claim 1, wherein:

the insect repellent block (3) comprises synthetic camphor, sulfur, wormwood extract and spice.

3. An antimicrobial panel in accordance with claim 1, wherein:

the inner plate (4) and the face plate (8) are both polyester fiber plates, the reinforced core grids (5) are rigid plastic grids, and the buffer pieces (6) are metal elastic plates.

4. An antimicrobial panel in accordance with claim 3, wherein: the buffer parts (6) are arched, and the buffer parts (6) are bent towards one side far away from the antibacterial substrate (1).

5. An antibacterial sheet as claimed in any one of claims 1 to 4, wherein: the buffer piece is fixedly arranged on the reinforced core grid.

6. An antibacterial sheet as claimed in any one of claims 1 to 4, wherein: the hollow parts of the reinforced core grids (5) are triangular hollow parts.

7. An antimicrobial panel in accordance with claim 1, wherein: the buffer plate (7) and the reinforced core grid (5) are made of the same material.

8. An antibacterial sheet as claimed in any one of claims 1 to 4, wherein: and the side walls of the first through hole (9) and the second through hole (10) are provided with insect repelling layers.

9. A process for preparing an antibacterial sheet according to claim 1, comprising the steps of:

b: processing a base material: forming a via hole, namely a first through hole (9), on the antibacterial substrate (1); forming a via hole, namely a second through hole (10), on the inner plate;

d: and (3) embryo grouping: firstly, a plurality of insect-repellent blocks (3) are placed in a cavity (2) of an antibacterial substrate (1) according to a rectangular array arrangement mode;