CN216963885U

CN216963885U - Hot melt adhesive composite filter material with antibacterial function

Info

Publication number: CN216963885U
Application number: CN202121482397.4U
Authority: CN
Inventors: 朱志慧; 朱志瑜; 曾文龙
Original assignee: Suzhou Meeko Environmental Technology Co ltd
Current assignee: Suzhou Meeko Environmental Technology Co ltd
Priority date: 2021-07-01
Filing date: 2021-07-01
Publication date: 2022-07-15
Anticipated expiration: 2031-07-01

Abstract

The utility model discloses a hot melt adhesive composite filter material with antibacterial function, which comprises a basic surface layer, wherein a first filter layer is arranged below the basic surface layer, a first sterilization coating is arranged below the first filter layer, the upper surface of the first filter layer is fixedly and compositely connected with the lower surface of the basic surface layer through a hot melt adhesive, the lower surface of the first filter layer is fixedly and compositely connected with the upper surface of the first sterilization coating through the hot melt adhesive, a base material layer is arranged below the first sterilization coating, a second sterilization coating is arranged below the base material layer, the upper surface of the base material layer is fixedly and compositely connected with the lower surface of the first sterilization coating, and the lower surface of the base material layer is fixedly and compositely connected with the upper surface of the second sterilization coating. Can handle the bacterium in the air to the thorough filtration of air can satisfy current demand.

Description

Hot melt adhesive composite filtering material with antibacterial function

Technical Field

The utility model relates to a composite filter material, in particular to a hot melt adhesive composite filter material with an antibacterial function, and belongs to the technical field of air filtration.

Background

The air filtration is to provide the whole solutions of sterilization, dust reduction, haze removal, removal of harmful decoration residues, peculiar smell and the like aiming at various indoor environmental problems, improve the living and office conditions and promote the physical and mental health. Indoor environment pollutants and pollution sources mainly comprise radioactive gas, mould, particulate matters, decoration residues, second-hand smoke and the like, the atmosphere pollution in China is evolved from coal-smoke type pollution in the last century to regional and compound type atmosphere pollution and becomes the most serious area of global aerosol pollution, Jingjin Ji, Changbangjiao, Yucheng and China are the most serious areas of global pollution, and the average concentration of PM2.5 year is over 70ug/m, is over 2 times of the national standard and is over 7 times of the WHO guidance value.

In recent years, with the progress of science and technology and the continuous development of industry, economy increases fastly, the problem of air quality decline that arouses because of environmental pollution is also serious day by day in economy growth, PM2.5 index etc. is high enough, air filtration needs to use filtering material, traditional filtering material is mostly single material, its filter effect is relatively poor, filtration efficiency is lower, and do not have antibacterial ability, can't handle the bacterium in the air, thereby the filtration to the air is not thorough, can't satisfy current demand.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the problems and provide the hot melt adhesive composite filter material with the antibacterial function, which has the advantages of good filtering effect, high filtering efficiency and antibacterial capability, can treat bacteria in the air, thereby thoroughly filtering the air and meeting the existing requirements.

The utility model achieves the aim through the following technical scheme, the hot melt adhesive composite filter material with the antibacterial function comprises a basic surface layer, a first filter layer is arranged below the basic surface layer, a first sterilization coating is arranged below the first filter layer, the upper surface of the first filter layer is fixedly and compositely connected with the lower surface of the basic surface layer through hot melt adhesive, the lower surface of the first filter layer is fixedly and compositely connected with the upper surface of the first sterilization coating through hot melt adhesive, a base material layer is arranged below the first sterilization coating, a second sterilization coating is arranged below the base material layer, the upper surface of the base material layer is fixedly and compositely connected with the lower surface of the first sterilization coating, the lower surface of the base material layer is fixedly and compositely connected with the upper surface of the second sterilization coating, a second filter layer is arranged below the second sterilization coating, the lower part of the second filter layer is provided with a base inner layer, the upper surface of the second filter layer is fixedly and compositely connected with the lower surface of the second sterilization coating, and the lower surface of the second filter layer is fixedly and compositely connected with the upper surface of the base inner layer through hot melt adhesive.

Preferably, the first filter layer is made of nano titanium oxide, and the second filter layer is of a hollow structure.

Preferably, the inner cavity of the second filter layer is provided with a filter chamber, and the filter chamber is transversely arranged and adjacent to the filter chamber and is in mutual abutting arrangement.

Preferably, the upper end and the lower end of the filter cavity are provided with through holes, and the filter cavity is filled with activated carbon particles.

Preferably, the first sterilization coating and the second sterilization coating have the same structure and the same specification and are copper-silver ion coatings.

Preferably, the base material layer comprises polylactic acid melt-blown non-woven fabric, and a nylon net is wrapped on the outer surface of the polylactic acid melt-blown non-woven fabric.

The utility model has the beneficial effects that: the nano titanium oxide has good gas purification capacity, excellent sterilization capacity and deodorization capacity to air, high chemical stability, thermal stability, nontoxicity, super-hydrophilicity and nonmigratory performance, and the capability of greatly improving the sterilization capacity by arranging the first sterilization coating and the second sterilization coating, wherein the sterilization function of copper silver ions is realized by combining positively charged copper silver ions and negatively charged bacterial cells, the copper silver ions penetrate through cell walls and are combined with DNA and RNA at specific parts in the cells to damage protease and respiratory enzyme of the bacterial cells to cause the dissolution and death of the bacterial cells, and the base material layer can provide good basic strength and adsorption capacity, the polylactic acid melt-blown non-woven fabric has the characteristics of strong adsorbability and excellent bacteriostatic property, and the nylon net can provide good stability and strength, can improve filtering capability through setting up the second filter layer, can be with air introduction to the filter chamber in through setting up the through-hole, can filter the air through setting up the active carbon particle and purify, the active carbon particle has developed pore structure, great specific surface area and abundant surface chemistry group, therefore the specificity adsorption efficiency is stronger.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic view of a second filter layer according to the present invention;

FIG. 3 is a schematic view of the structure of the binder layer of the present invention;

in the figure: 1. a base surface layer; 2. a first filter layer; 3. a first biocidal coating; 4. a base material layer; 5. a second biocidal coating; 6. a second filter layer; 7. a base inner layer; 8. a filter cavity 9 and a through hole; 10. activated carbon particles; 11. polylactic acid melt-blown nonwoven fabric; 12. a nylon mesh.

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 obtained by a person skilled in the art without making any creative effort based on the embodiments in the present invention, belong to the protection scope of the present invention.

Referring to fig. 1-3, a hot melt adhesive composite filter material with antibacterial function includes a base surface layer 1, a first filter layer 2 is disposed below the base surface layer 1, a first sterilization coating 3 is disposed below the first filter layer 2, an upper surface of the first filter layer 2 is fixedly and compositely connected with a lower surface of the base surface layer 1 through a hot melt adhesive, a lower surface of the first filter layer 2 is fixedly and compositely connected with an upper surface of the first sterilization coating 3 through a hot melt adhesive, a base material layer 4 is disposed below the first sterilization coating 3, a second sterilization coating 5 is disposed below the base material layer 4, an upper surface of the base material layer 4 is fixedly and compositely connected with a lower surface of the first sterilization coating 3, a lower surface of the base material layer 4 is fixedly and compositely connected with an upper surface of the second sterilization coating 5, a second filter layer 6 is disposed below the second sterilization coating 5, the lower part of the second filter layer 6 is provided with a basic inner layer 7, the upper surface of the second filter layer 6 is fixedly and compositely connected with the lower surface of the second sterilization coating 5, and the lower surface of the second filter layer 6 is fixedly and compositely connected with the upper surface of the basic inner layer 7 through hot melt adhesive.

As a preferable technical solution of the present invention, the first filter layer 2 is made of nano titanium oxide, and the second filter layer 6 is a hollow structure.

As a preferred technical scheme of the present invention, a filter chamber 8 is disposed in an inner cavity of the second filter layer 6, the filter chambers 8 are disposed in a transverse direction, and the adjacent filter chambers 8 are disposed in a mutually abutting manner.

As a preferred technical scheme of the utility model, through holes 9 are formed in the upper end and the lower end of the filter cavity 8, and activated carbon particles 10 are filled in the filter cavity 8.

As a preferable technical solution of the present invention, the first sterilization coating 3 and the second sterilization coating 5 have the same structure and the same specification, and are both copper-silver ion coatings.

As a preferable technical solution of the present invention, the base material layer 4 includes a polylactic acid meltblown nonwoven fabric 11, and a nylon mesh 12 is wrapped around an outer surface of the polylactic acid meltblown nonwoven fabric 11.

The utility model can provide certain filtering capacity by arranging the first filter layer 2, the nano titanium oxide has good gas purification capacity, excellent sterilization capacity and deodorization capacity to air, and also has high chemical stability, thermal stability, nontoxicity, super-hydrophilicity and non-migration, the sterilization capacity can be greatly improved by arranging the first sterilization coating 3 and the second sterilization coating 5, the sterilization function of the copper silver ions is that positively charged copper silver ions are combined with negatively charged bacterial cells, the copper silver ions penetrate through cell walls and are combined with DNA and RNA at specific parts in the cells to damage protease and respiratory enzyme of the bacterial cells to cause the dissolution and death of the bacterial cells, good basic strength and adsorption capacity can be provided by arranging the base material layer 4, the polylactic acid melt-blown non-woven fabric 11 has the characteristics of strong adsorbability and excellent bacteriostasis, nylon net 12 can provide good stability and intensity, can improve filtering capability through setting up second filter layer 6, can be with air introduction to filter chamber 8 in through setting up through-hole 9, can filter the purification to the air through setting up activated carbon particle 10, activated carbon particle 10 has developed pore structure, great specific surface area and abundant surface chemical group, therefore the specificity adsorption efficiency is stronger.

It will be evident to those skilled in the art that the utility model is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the utility model being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims

1. The utility model provides a hot melt adhesive composite filter material with antibacterial function, includes basic top layer (1), its characterized in that: the below on basic top layer (1) is equipped with first filter layer (2), the below of first filter layer (2) is equipped with first sterilization coating (3), the upper surface of first filter layer (2) with the lower surface on basic top layer (1) passes through the fixed composite connection of hot melt adhesive, the lower surface of first filter layer (2) with the upper surface of first sterilization coating (3) passes through the fixed composite connection of hot melt adhesive, the below of first sterilization coating (3) is equipped with basic material layer (4), the below of basic material layer (4) is equipped with second sterilization coating (5), the upper surface of basic material layer (4) with the lower fixed composite connection of first sterilization coating (3), the lower surface of basic material layer (4) with the upper surface fixed composite connection of second sterilization coating (5), the below of second sterilization coating (5) is equipped with second filter layer (6), the below of second filter layer (6) is equipped with basic inlayer (7), the upper surface of second filter layer (6) with the lower fixed composite connection of surface of second sterilization coating (5), the lower surface of second filter layer (6) with the upper surface of basic inlayer (7) passes through the fixed composite connection of hot melt adhesive.

2. The hot melt adhesive composite filter material with the antibacterial function as claimed in claim 1, is characterized in that: the first filter layer (2) is made of nano titanium oxide, and the second filter layer (6) is of a hollow structure.

3. The hot melt adhesive composite filter material with the antibacterial function as claimed in claim 1, is characterized in that: the inner chamber of second filter layer (6) is equipped with filter chamber (8), filter chamber (8) are horizontal setting and adjacent filter chamber (8) are the setting of contradicting each other.

4. The hot melt adhesive composite filter material with the antibacterial function as claimed in claim 3, wherein: the upper end and the lower end of the filter cavity (8) are provided with through holes (9), and the filter cavity (8) is filled with activated carbon particles (10).

5. The hot melt adhesive composite filter material with the antibacterial function as claimed in claim 1, is characterized in that: the first sterilization coating (3) and the second sterilization coating (5) have the same structure and the same specification, and are copper-silver ion coatings.

6. The hot melt adhesive composite filter material with the antibacterial function as claimed in claim 1, is characterized in that: the base material layer (4) comprises polylactic acid melt-blown non-woven fabric (11), and a nylon net (12) is wrapped on the outer surface of the polylactic acid melt-blown non-woven fabric (11).