CN203899310U - Bacteriostatic filtering membrane - Google Patents
Bacteriostatic filtering membrane Download PDFInfo
- Publication number
- CN203899310U CN203899310U CN201420029357.8U CN201420029357U CN203899310U CN 203899310 U CN203899310 U CN 203899310U CN 201420029357 U CN201420029357 U CN 201420029357U CN 203899310 U CN203899310 U CN 203899310U
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- Prior art keywords
- base cloth
- filtering membrane
- cloth layer
- rete
- filter membrane
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Abstract
The utility model discloses a bacteriostatic filtering membrane. The filtering membrane comprises a base cloth layer arranged in the middle of the filtering membrane, a first filtering membrane layer arranged on the front side of the base cloth layer and a second filtering membrane layer arranged on the back side of the base cloth layer, wherein the base cloth layer is bonded to the first filtering membrane layer and the second filtering membrane layer respectively through bonding agents; and the bonding agents contain bacteriostatic agents. The prepared filtering membrane has the physical filtrating capacity, has the very good bacteriostatic effect and is applicable to air filters for clean rooms or operating rooms and the like with higher requirements for the air quality.
Description
Technical field
The utility model relates to a kind of filter membrane, and this film is as filtering material, the air cleaner of the toilet that can be used for air quality to have relatively high expectations or operating room etc.
Background technology
Polytetrafluoroethylene (PTFE) has stable physicochemical properties, the feature such as low in acidproof, alkaline-resisting, high temperature resistant and coefficient of friction, by the stretched process of polyflon, produce expanded PTFE (expanded Polytetrafluoroethylene, e-PTFE) not only remain with the character of polytetrafluoroethylene (PTFE) itself, there is microcellular structure simultaneously, there is permeation functions, but can filter fine particle, so eptfe membrane is as extensive use in industrial or agricultural of filtering material.
Existing expanded PTFE filter membrane is mainly physical filtering, holds back certain dust particle.But the dust particle of holding back is deposited in filter membrane surface, become the place of bacteria breed, caused secondary pollution.
Utility model content
The purpose of this utility model is to provide a kind of filter membrane, and this filter membrane has the physical filtering effect of conventional film, has bacteria resistance function simultaneously.This film is mainly used in the air cleaner of the toilet that air quality is had relatively high expectations.
For achieving the above object, the utility model provides a kind of antibacterial filter membrane, and this filter membrane comprises:
Be arranged on the middle base cloth layer of filter membrane;
Be arranged on first of base cloth layer front and filter rete;
Be arranged on second of the base cloth layer back side and filter rete;
Described base cloth layer and first filters rete, the second filtration rete bonds together by binding agent respectively; In described binding agent, include bacteriostatic agent.
Above-mentioned antibacterial filter membrane, wherein, described the first filtration rete, second filters rete and all adopts eptfe membrane.
Above-mentioned antibacterial filter membrane, wherein, described base cloth layer contains fibre structure.
Above-mentioned antibacterial filter membrane, wherein, described base cloth layer is selected terylene yarn fabric or polypropylene fibre textile thing.
Filter membrane of the present utility model comprises: eptfe membrane, the yarn fabric base cloth that contains fiber, for connecting the binding agent of base cloth and film and being contained in the bacteriostatic agent of binding agent.It is raw material that eptfe membrane adopts polyflon, through processes such as preformed, pushing, dry, stretching and sizings, makes.Meanwhile, in process, thereby by stretching condition, control the length of " joint and the fiber " of eptfe membrane, make it to play the object of filtering fine particle.In binding agent, contain a certain amount of bacteriostatic agent, make filter membrane of the present utility model also there is antibacterial function.
Accompanying drawing explanation
Fig. 1 is the structural representation of the cross section of antibacterial filter membrane of the present utility model.
The specific embodiment
Below in conjunction with embodiment and accompanying drawing, the technical solution of the utility model is further described.
As shown in Figure 1, the schematic diagram of the cross section of a kind of filter membrane providing for the utility model, this filter membrane is divided into three layers, intermediate layer is base cloth layer 10, the front of this base cloth layer 10 is provided with the first filtration rete 20, the back side of this base cloth layer 10 is provided with the second filtration rete 30, and base cloth layer 10 and first filters rete 20, the second filtration rete 30 bonds together by binding agent respectively; In described binding agent, include bacteriostatic agent.
Preferably, the first described filtration rete 20, second filters rete 30 and all adopts eptfe membrane.
Preferably, described base cloth layer contains fibre structure.
More preferably, described base cloth layer selects terylene yarn fabric or polypropylene fibre textile thing etc. to have the yarn fabric of fibre structure.
The preparation method of filter membrane of the present utility model:
1) preparation of binding agent: (25 degrees Celsius of left and right) at normal temperatures, solvent is added in binding agent to (weight ratio is 1:10---1:20) and stirs, form uniform solution.Solvent used is ethyl acetate or the similar organic solvent of acetone, and binding agent is mainly epoxy resin or polyurethane.
2) solid-state bacteriostatic agent is joined in above-mentioned binding agent according to the 5%-10% of weight of binder, and stir.Bacteriostatic agent used is mainly inorganic ions.
3) preparation of eptfe membrane: take dispersed polytetrafluoroethylresin resin as raw material, entered the processes such as pushing, preformed, dry, stretching, sizing and make eptfe membrane.
4) yarn fabrics such as the terylene that selection contains fibre structure, polypropylene fibre are as base cloth, the binding agent that contains bacteriostatic agent of above-mentioned preparation is spread upon on base cloth equably, both sides at base cloth are covered with eptfe membrane, then on forming machine, heat is dried, compacting, cooling, makes expanded polytetrafluoroethylbacteriostatic bacteriostatic filter membrane.
Filter membrane prepared by the utility model not only has the ability of physical filtering, and has good bacteriostasis, the air cleaner of the toilet that is applicable to air quality to have relatively high expectations or operating room etc.
Although content of the present utility model has been done detailed introduction by above preferred embodiment, will be appreciated that above-mentioned description should not be considered to restriction of the present utility model.Those skilled in the art, read after foregoing, for multiple modification of the present utility model with to substitute will be all apparent.Therefore, protection domain of the present utility model should be limited to the appended claims.
Claims (1)
1. an antibacterial filter membrane, is characterized in that, this filter membrane comprises:
Be arranged on the middle base cloth layer (10) of filter membrane;
Be arranged on the first positive filtration rete (20) of base cloth layer (10);
Be arranged on second of base cloth layer (10) back side and filter rete (30);
Described base cloth layer (10) and first filters rete (20), the second filtration rete (30) bonds together by binding agent; In described binding agent, include bacteriostatic agent; Described the first filtration rete (20), second filters rete (30) and all adopts eptfe membrane; Described base cloth layer (10) is selected the terylene yarn fabric or the polypropylene fibre textile thing that contain fibre structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420029357.8U CN203899310U (en) | 2014-01-17 | 2014-01-17 | Bacteriostatic filtering membrane |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420029357.8U CN203899310U (en) | 2014-01-17 | 2014-01-17 | Bacteriostatic filtering membrane |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203899310U true CN203899310U (en) | 2014-10-29 |
Family
ID=51773603
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420029357.8U Expired - Fee Related CN203899310U (en) | 2014-01-17 | 2014-01-17 | Bacteriostatic filtering membrane |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203899310U (en) |
-
2014
- 2014-01-17 CN CN201420029357.8U patent/CN203899310U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20141029 Termination date: 20170117 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |