CN214983727U - Composite film for protective clothing - Google Patents
Composite film for protective clothing Download PDFInfo
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- CN214983727U CN214983727U CN202120454710.7U CN202120454710U CN214983727U CN 214983727 U CN214983727 U CN 214983727U CN 202120454710 U CN202120454710 U CN 202120454710U CN 214983727 U CN214983727 U CN 214983727U
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- layer
- protective clothing
- composite film
- membrane
- activated carbon
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Abstract
The utility model relates to a complex film for protective clothing, including supporting layer, breathing membrane, overburden, adsorbed layer, the additional overburden that sets gradually from top to bottom, connect through the bonding between each layer. The composite membrane of the utility model has high comfort, especially good respiratory activity, and has excellent protective effect on chemical poisons.
Description
Technical Field
The utility model belongs to the membrane field relates to the complex film, especially a complex film for protective clothing.
Background
People need to wear protective clothing when contacting toxic chemicals, so that poisoning caused by body contact is avoided. The existing protective clothing is mostly made of rubber materials, is not breathable and waterproof, and can lead people to feel sultry after being worn for a long time.
SUMMERY OF THE UTILITY MODEL
The utility model aims to overcome the defects of the prior art and provide a composite film of a protective garment which is impermeable and airtight and is permeable to water vapor.
The utility model provides a technical scheme that technical problem adopted is:
the composite film for the protective clothing comprises a supporting layer, a breathing film, a covering layer, an adsorption layer and an additional covering layer which are sequentially arranged from top to bottom, wherein the layers are connected through bonding.
Furthermore, the supporting layer is a breathable fabric material layer.
Furthermore, the breathing membrane is a membrane that is water-impermeable, gas-impermeable, but water vapor-permeable.
The breathing membrane is a three-layer laminated membrane, wherein the middle layer is a cellulose-based polymer layer, and the two surfaces of the middle layer are respectively connected with a polyurethane layer. The thickness of the middle layer is 10-20 μm, and the thickness of the polyurethane layers on the upper and lower surfaces is 5-10 μm.
And the adsorption layer is an activated carbon layer, or the activated carbon and activated carbon fiber are combined to be used as the adsorption layer.
Furthermore, the cover layer and/or the additional cover layer are both fabric layers.
The utility model has the advantages that:
1. the composite membrane of the utility model has high comfort, especially good respiratory activity, and has excellent protective effect on chemical poisons.
2. The utility model discloses the complex film has duplicate protection function, and on the one hand through the effect of blockking of breathing the membrane, on the other hand passes through the adsorption of adsorbed layer.
Drawings
FIG. 1 is a schematic structural diagram of the composite membrane.
Detailed Description
The present invention will be described in further detail with reference to specific examples, which are provided for illustrative purposes only, and are not intended to be limiting, and the scope of the present invention should not be limited thereby.
The composite membrane for the protective clothing comprises a supporting layer 1, a breathing membrane 2, a covering layer 3, an adsorption layer 4 and an additional covering layer 5 which are sequentially arranged from top to bottom, wherein all the layers are connected through bonding.
The support layer 1 is a textile material, preferably a breathable textile material.
The breathing membrane 2 is a three-layer laminated membrane, wherein the middle layer is a cellulose-based polymer layer, and two surfaces of the middle layer are respectively connected with a polyurethane layer. The thickness of the middle layer is 10-20 μm, and the thickness of the polyurethane layers on the upper and lower surfaces is 5-10 μm. Cellulose-based polymers are excellent barrier materials to chemical toxins. The polyurethane layer serves to prevent migration of material. The breathing membrane 2 is impermeable to water, air and water vapour.
The adsorption layer 4 is used for adsorbing chemical toxins, and activated carbon is adopted, and the average diameter of the activated carbon is preferably less than 0.35 mm. The activated carbon and activated carbon fiber can also be combined to be used as an adsorption layer. The activated carbon particles have higher adsorption capacity, and the activated carbon fibers have better adsorption kinetics. To increase the adsorption efficiency, a catalyst, which may be an enzyme and/or a metal ion, preferably copper, silver, cadmium, platinum, palladium, zinc and/or mercury ions, may be impregnated on the activated carbon. The loading amount of the catalyst is preferably 2-8 wt%.
The cover layer 3 and/or the additional cover layer 5 may serve to stabilize and/or protect the absorbent layer 4 and/or the breathing membrane 2.
The cover layer 8 is made of a wear-resistant textile material.
The breathing membrane 2 can prevent chemical toxins which enter the supporting layer 1 from further permeating into the adsorption layer, the breathing membrane 2 can provide additional protection, and the composite membrane has double protection functions, namely, the breathing membrane 2 has a blocking effect, and the adsorption layer 4 has an adsorption effect. The breathing membrane 2 may delay the passage of the chemical toxins.
The composite film is suitable for making various protective materials, especially protective clothing, gloves, protective shoes and protective covers.
The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, many modifications and improvements can be made without departing from the spirit of the present invention, and these modifications and improvements are all within the protection scope of the present invention.
Claims (4)
1. A composite film for protective garments, characterized by: the breathable membrane is a three-layer laminated membrane, wherein the middle layer is a cellulose-based polymer layer, two sides of the middle layer are respectively connected with polyurethane layers, the thickness of the middle layer is 10-20 mu m, and the thicknesses of the polyurethane layers on the upper side and the lower side are 5-10 mu m.
2. A composite film for protective clothing according to claim 1, wherein: the supporting layer is a breathable fabric material layer.
3. A composite film for protective clothing according to claim 1, wherein: the adsorption layer is an activated carbon layer, or the activated carbon and activated carbon fiber are combined to be used as the adsorption layer.
4. A composite film for protective clothing according to claim 1, wherein: the cover layer and/or the additional cover layer are both fabric layers.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120454710.7U CN214983727U (en) | 2021-03-03 | 2021-03-03 | Composite film for protective clothing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120454710.7U CN214983727U (en) | 2021-03-03 | 2021-03-03 | Composite film for protective clothing |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214983727U true CN214983727U (en) | 2021-12-03 |
Family
ID=79159174
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120454710.7U Active CN214983727U (en) | 2021-03-03 | 2021-03-03 | Composite film for protective clothing |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214983727U (en) |
-
2021
- 2021-03-03 CN CN202120454710.7U patent/CN214983727U/en active Active
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