EP1859837A2 - Vêtement de protection contre les menaces ABC comprenant une fonction de renouvellement d'air ameliorée. - Google Patents

Vêtement de protection contre les menaces ABC comprenant une fonction de renouvellement d'air ameliorée. Download PDF

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Publication number
EP1859837A2
EP1859837A2 EP07009116A EP07009116A EP1859837A2 EP 1859837 A2 EP1859837 A2 EP 1859837A2 EP 07009116 A EP07009116 A EP 07009116A EP 07009116 A EP07009116 A EP 07009116A EP 1859837 A2 EP1859837 A2 EP 1859837A2
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EP
European Patent Office
Prior art keywords
protective
protective clothing
activated carbon
permeable
chemical
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
EP07009116A
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German (de)
English (en)
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EP1859837B1 (fr
EP1859837A3 (fr
Inventor
Hasso von Blücher
Bertram Dr. Böhringer
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Bluecher GmbH
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Bluecher GmbH
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Publication of EP1859837A3 publication Critical patent/EP1859837A3/fr
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Classifications

    • A—HUMAN NECESSITIES
    • A62—LIFE-SAVING; FIRE-FIGHTING
    • A62B—DEVICES, APPARATUS OR METHODS FOR LIFE-SAVING
    • A62B17/00—Protective clothing affording protection against heat or harmful chemical agents or for use at high altitudes
    • A62B17/006—Protective clothing affording protection against heat or harmful chemical agents or for use at high altitudes against contamination from chemicals, toxic or hostile environments; ABC suits
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00—Stock material or miscellaneous articles
    • Y10T428/24—Structurally defined web or sheet [e.g., overall dimension, etc.]
    • Y10T428/24273—Structurally defined web or sheet [e.g., overall dimension, etc.] including aperture
    • Y10T428/24298—Noncircular aperture [e.g., slit, diamond, rectangular, etc.]
    • Y10T428/24314—Slit or elongated
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00—Stock material or miscellaneous articles
    • Y10T428/249921—Web or sheet containing structurally defined element or component
    • Y10T428/249953—Composite having voids in a component [e.g., porous, cellular, etc.]
    • Y10T428/249987—With nonvoid component of specified composition
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T442/00—Fabric [woven, knitted, or nonwoven textile or cloth, etc.]
    • Y10T442/20—Coated or impregnated woven, knit, or nonwoven fabric which is not [a] associated with another preformed layer or fiber layer or, [b] with respect to woven and knit, characterized, respectively, by a particular or differential weave or knit, wherein the coating or impregnation is neither a foamed material nor a free metal or alloy layer
    • Y10T442/2164—Coating or impregnation specified as water repellent
    • Y10T442/2172—Also specified as oil repellent

Definitions

  • the present invention relates to protective clothing, in particular ABC protective clothing, with improved air exchange function.
  • the present invention relates to protective clothing with protective function against chemical and / or biological pollutants, in particular for civil or military purposes, such as NBC protective clothing or the like, according to the preamble of claim 1.
  • the present invention relates to a method for improving the air exchange in protective clothing of the aforementioned type having a protective function against chemical and / or biological pollutants according to the preamble of claim 21.
  • protective suits There are basically three types of protective suits: the air- and water-vapor-tight protective suits, which are equipped with a rubber or rubber layer that is impermeable to chemical poisons and very quickly lead to heat build-up, furthermore the air and water vapor permeable protective suits, which offer the highest wearing comfort. and finally, protective suits which are provided with a membrane which generally passes water vapor but not the mentioned poisons.
  • ABC protective clothing is traditionally made either of completely impermeable systems (eg suits of butyl rubber) or of selectively permeable systems (eg membrane systems) or of permeable, in particular adsorptive filter systems, preferably based on activated carbon (For example, activated carbon powder, activated carbon fibers, activated carbon grains, activated carbon beads, etc.).
  • activated carbon for example, activated carbon powder, activated carbon fibers, activated carbon grains, activated carbon beads, etc.
  • the air-permeable, permeable protective suits generally have an adsorption layer with activated carbon, which binds the chemical poisons very permanently, so that no danger arises even from heavily contaminated suits for the wearer.
  • the great advantage of this system is that the activated carbon is also accessible on the inside of the suit, so that any penetrated from damage or other leaks poisons can be adsorbed very quickly.
  • the adsorption layer in the previously described, air-permeable, permeable protective suits for example, designed such that z. B.
  • activated carbon particles are fixed to printed on a support adhesive patches or points, wherein the adsorption layer is generally supplemented by an 'outer material' (ie a cover material) and at the wearer facing the inside through a lightweight textile material in the form of an inner lining is covered, but occasionally there are also composites containing an activated carbon fiber sheet, such as an activated carbon fiber nonwoven.
  • an 'outer material' ie a cover material
  • an activated carbon fiber sheet such as an activated carbon fiber nonwoven.
  • protective suits are used, which are equipped with a membrane that is designed to increase the wearing comfort while permeable to water vapor, but at the same time acts as a barrier against liquids and gases, especially toxins.
  • a membrane that is designed to increase the wearing comfort while permeable to water vapor, but at the same time acts as a barrier against liquids and gases, especially toxins.
  • Such a material is for example in the EP 0 827 451 A2 described.
  • suits with a permeable to water vapor, but for poisons, especially skin poisons, impermeable membrane but have the disadvantage that at leaks penetrated poisons remain inside the suit and be absorbed by the skin of the wearer. Therefore, protective suits have been designed which membrane and adsorption layer combine with each other (see. WO 2005/049147 A1 ).
  • the air exchange is made difficult even in the permeable systems, in particular due to the generally thick and dense outer fabric, whereas it does not even exist in the impermeable or selectively permeable systems, especially membrane-based. Because, structurally conditioned and also influenced by the design of the textiles, generally finds the exchange of moisture with the environment from a textile through openings such. B.
  • An object of the present invention is therefore to provide a protective clothing of the aforementioned kind, in particular with a protective function against chemical and / or biological pollutants, preferably for civilian or military purposes, such as NBC protective clothing or the like, in which the above-described disadvantages of the prior art The technique be at least largely avoided or at least mitigated.
  • such a protective garment should have an improved air exchange function and moreover also an improved moisture exchange function (eg for removing sweat, etc.).
  • Another object of the present invention is a method for improving the air exchange in protective clothing of the aforementioned type according to claim 21.
  • the Applicant has now surprisingly found that the above-described problem can be solved in an efficient manner by providing the protective clothing in question with at least one ventilation opening which itself sorbs with a gas-permeable, especially air-permeable, chemical and / or biological pollutants protective filter material is closed.
  • the present invention - according to a first aspect of the present invention - is thus a protective clothing with improved air exchange function and with a protective function against chemical and / or biological pollutants, especially for civilian or military purposes, such as NBC protective clothing or the like, wherein the protective clothing a multilayer Construction (ie a multi-layer textile construction), which comprises an outer material and a protective function with respect to chemical and / or biological interior material, wherein the protective clothing at least one ventilation opening, with a gas-permeable, in particular air-permeable, chemical and / or biological contaminants sorbent protective material is closed, has.
  • a multilayer Construction ie a multi-layer textile construction
  • outer material on the one hand and “inner material” on the other hand relate to the wearing state of the protective clothing, ie in the wearing state of the protective clothing, the outer material is thus the wearer of the protective clothing facing away and thus the outer environment facing or hereby in contact, while the inner material in the wearing state faces the wearer and is remote from the external environment (ie, is arranged on the body side).
  • the outer material as described below, be an outer fabric, while the inner material performs the actual protective function against chemical and / or biological toxins, as described in more detail below.
  • the inventive construction of the protective clothing according to the present invention improves the air exchange when worn in an efficient manner. At the same time the exchange or removal of moisture, especially sweat, is improved. Therefore, the measure according to the invention leads to a significant improvement in wearing comfort and, under real conditions of use, equally to a reduced physical stress on the wearer of such protective clothing, in particular during physical activity.
  • the inventive concept is universally applicable, d. H. both for permeable systems of the aforementioned type as well as for impermeable or selectively permeable systems, in particular membrane systems, of the aforementioned type. While it is sufficient for the permeable, air-permeable systems to provide the outer material with one or more such ventilation openings, one becomes impermeable in case Systems with a membrane arranged on the inside must at least provide the inner material or the membrane with such a ventilation opening in order to ensure an improved exchange of air as well as an improved moisture transport. This will be discussed in detail below.
  • chemical and biological pollutants is understood very broadly and includes any kind of chemical toxicants (eg chemical warfare agents, etc.) and of biological toxins (eg biological warfare agents, such as microorganisms, on carrier particles fixed viruses etc.).
  • chemical toxicants eg chemical warfare agents, etc.
  • biological toxins eg biological warfare agents, such as microorganisms, on carrier particles fixed viruses etc.
  • the ventilation opening (s) provided in the protective clothing according to the invention specifically for improving the air exchange function are or are closed with a protective filter material which is gas-permeable, in particular permeable to air, and sorbs chemical and / or biological pollutants in an efficient manner , in particular adsorbed and / or absorbed, preferably adsorbed.
  • sorption in the context of the present invention refers to a collective term for all processes in which a chemical or biological material is taken up by another material in contact with it, in the present case the chemical and / or biological pollutants by the sorbent protective filter material.
  • sorption processes are adsorption, absorption, chemisorption and physisorption, persorption, absorption, etc.
  • the sorbed substance is referred to as sorbate and the sorbent substance as sorbent, sorbent, sorbent, etc.
  • the sorption preferably takes place by means of adsorption and / or absorption, preferably by means of adsorption.
  • a special feature of the present invention is the fact that the protective clothing is provided with at least one ventilation opening for improving the air exchange and the moisture and heat removal, which in turn with the gas-permeable, especially air-permeable, chemical and / or or biological contaminants sorbing protective filter material is sealed.
  • the closing of the ventilation opening is generally carried out in such a way that at least the ventilation opening is closed or filled even with the protective filter material in question.
  • the aforementioned sorbent protective filter material not only closes the ventilation opening as such, but also extends beyond the edges of the ventilation opening:
  • the ventilation opening in the outer material attached it is the inside of the outer material with the sorbent protective filter material deposit or, as it were, backfilled (eg., By inside fastening of the protective filter material to the outer material in the ventilation opening and beyond), so that on the one hand the vent itself is closed and on the other the edge areas of the ventilation opening with the protective filter material deposited or ventilated.
  • chemical and / or biological pollutants at the edges of the ventilation opening undesirably diffuse past the sorbent protective filter material or can flow past and thus reach the wearer of the protective clothing.
  • Fig. 1 and 2 show schematically a protective clothing 1 according to the invention with improved air exchange function and moisture exchange function, wherein the protective clothing 1 is equipped or equipped with a protective function against chemical and / or biological pollutants.
  • the protective clothing 1 has a multi-layered structure 2, the multi-layered structure 2 comprising an outer material 3 and an inner material 4 equipped with a protective function against chemical and / or biological pollutants.
  • the inner material 4 equipped with a protective function against chemical and / or biological pollutants may either be a permeable (ie air-permeable) system, in particular based on an adsorption filter material (eg activated carbon, in particulate form and fixed) an air permeable textile backing), or alternatively an air impermeable system, i. H. that is, either an impermeable (i.e., air, water, and water vapor impermeable) system, particularly rubber or rubber based, or a selectively permeable (i.e., air and water impermeable, but water vapor permeable) system, particularly membrane based.
  • an impermeable i.e., air, water, and water vapor impermeable
  • a selectively permeable i.e., air and water impermeable, but water vapor permeable
  • the protective clothing 1 has at least one ventilation opening 5, wherein the ventilation opening 5 is closed with a protective gas-permeable, in particular air-permeable, chemical and / or biological pollutants sorbing protective filter material 6.
  • a protective gas-permeable in particular air-permeable, chemical and / or biological pollutants sorbing protective filter material 6.
  • the outer material 3 is generally gas-permeable, in particular air-permeable.
  • the outer material 3 is a textile sheet material, in particular a woven, knitted fabric, knitted fabric, scrim, a textile composite, a nonwoven or a non-woven fabric.
  • the outer material 3 is a flexible textile fabric, in particular in the form of an outer fabric.
  • it can also be provided to provide the outer material 3 with an impregnation, in particular the outer material 3 to oleo- and / or hydrophobic.
  • the gas permeability, in particular the air permeability of the protective filter material 6 at least 1.5 times, in particular at least twice, preferably at least 3 times, more preferably at least 5 times which corresponds to gas permeability, in particular air permeability, of the outer material 3.
  • the protective filter material 6 for example, at a flow resistance of 127 Pascal an air permeability of at least 10 l ⁇ m -2 ⁇ s -1 , in particular at least 30 l ⁇ m -2 ⁇ s -1 , preferably at least 50 l ⁇ m -2 ⁇ s -1 , particularly preferably at least 100 l ⁇ m -2 ⁇ s -1 , very particularly preferably at least 400 l ⁇ m -2 ⁇ s -1 .
  • the sorbent material 7 may be selected from the group of activated carbon; zeolites; inorganic oxides, especially silicas, silica gels and aluminas; Molecular sieves; mineral granules; clathrates; as well as their mixtures.
  • Activated carbon is particularly preferred according to the invention.
  • the sorption material 7 is particulate, in particular granular, preferably at least substantially spherical, or fiber-shaped.
  • the sorbent material fibers eg, activated carbon fibers
  • the protective filter material 6 sorbing as chemical and / or biological pollutants, in particular adsorbing and / or absorbing, preferably adsorbing, sorbent material 7 activated carbon, preferably in the form of Aktivkohlekömem, preferably activated carbon spheres.
  • Preferred average particle diameters of the activated carbon grains, preferably activated carbon spheres are in the range of 0.01 to 2.0 mm, in particular 0.05 to 1.0 mm, preferably 0.1 to 1.0 mm.
  • the activated carbon used as the preferred sorbent 7 (irrespective of whether the activated carbon is used as particles, such as, for example, activated carbon grains or activated carbon spheres, or as fibers, for example activated carbon fiber sheets) has a specific surface area ( BET surface area) of at least 500 g / m 2 , in particular at least 750 g / m 2 , preferably at least 1,000 g / m 2 , more preferably at least 1,200 g / m 2 , preferably in the range of 500 to 2,500 g / m 2 , in particular 750 to 2,250 g / m 2 , preferably 900 to 2,000 g / m 2 , particularly preferably 1,000 to 1,750 g / m 2 .
  • BET surface area BET surface area
  • activated carbon in the form of activated carbon grains, in particular activated carbon beads, is used as sorption material 7, these advantageously have a bursting pressure of at least 5 Newton, in particular at least 10 Newton, preferably in the range from 5 Newton to 20 Newton, per particle a high mechanical strength, in particular a high abrasion resistance, the activated carbon grains or beads is given.
  • the activated carbon used according to the invention as a preferred sorption material advantageously has a total adsorption volume V ads of at least 200 cm 3 / g, in particular at least 300 cm 3 / g, preferably at least 350 cm 3 / g, more preferably at least 400 cm 3 / g, which is in particular in the range of 250 to 1000 cm 3 / g, preferably 300 to 900 cm 3 / g, preferably 350 to 750 cm 3 / g.
  • an activated carbon having a high specific micropore surface area, in particular having a high micropore surface area, preferably at least 70%, in particular at least 75%, preferably at least 80%, based on pore diameters ⁇ 25 ⁇ , based on the total specific surface area (BET ) of the activated carbon.
  • a preferred embodiment of the invention - as shown in Fig. 3 (see magnification section) - is the sorbent material 7 sorbing the chemical and / or biological pollutants, in particular adsorbing and / or absorbing, preferably adsorbing, on a support 8, in particular on a flat carrier material or, preferably, on a three-dimensional carrier structure.
  • This can be done for example by gluing.
  • either an adhesive is used or a possible self-tackiness of the carrier 8 (for example heat-stickiness of, for example, PU foams) is used.
  • fixation care should be taken that the sorbent material 7 is not completely covered by adhesive so that it is freely accessible to the pollutants to be sorbed.
  • At least 60%, preferably at least 70%, particularly preferably at least 80%, very particularly preferably at least 90%, of the available surface of the sorption material 7 for the pollutants to be adsorbed is advantageously accessible or not covered by adhesive during fixing.
  • the protective filter material 6 comprises a carrier 8, in particular a three-dimensional support structure, in the form of a foam structure, in particular foam structure, to which the sorption material 7 is fixed or fixed.
  • a carrier 8 in particular the three-dimensional support structure, can be designed in particular as a preferably open-pore and / or open-cell foam, in particular foam.
  • a suitable support 8, in particular a suitable three-dimensional support structure is, for example, a preferably open-pore and / or open-cell foam based on at least one organic polymer, in particular based on polyurethanes, polyolefins, polystyrenes, polyvinyl chlorides, polyisocyanurates and formaldehyde resins, particularly preferably a polyurethane foam.
  • Particularly preferred according to the invention is an open-pored and / or open-cell foam based on polyurethane ("PU foam") to which the particulate sorption material 7 is fixed.
  • the protective filter material 6 used is a material which has an open-pored and / or open-celled Foam, in particular polyurethane foam, as a support 8, on which the sorption material 7 in the form of activated carbon particles, in particular activated carbon grains, preferably activated carbon beads, is fixed, preferably by means of gluing.
  • the activated carbon with the aforementioned properties is used.
  • the loading amount of the foam or foam with activated carbon particles is advantageously in the range of 0.001 to 10 g / cm 3 , in particular 0.01 to 5 g / cm 3 , preferably 0.1 to 1 g / cm 3 .
  • Such a foam material loaded with activated carbon particles and its production are, for example, from the German patent application DE 28 04 154 B1 The entire disclosure of which is hereby incorporated by reference.
  • suitable material based on a foam loaded with activated carbon particles can be prepared, for example, that first the foam is impregnated with a preferably thermosetting adhesive, then excess adhesive is squeezed off and then the support structure are sprinkled with activated carbon grains, which then in The open pores or open cells of the foam trickle and are fixed there by the adhesive, followed by a subsequent heat treatment to cure the adhesive. This is known from the prior art as such to the person skilled in the art.
  • the three-dimensional support structure 8, in particular the foam or foam, is in this embodiment of the protective filter material 6 in particular designed to be flexible and / or compressible.
  • a three-dimensional support structure 8 is an elastic, in particular elastically deformable, foam or foam, preferably PU foam.
  • a planar support material in particular a textile surface material (eg a woven, knitted, knitted, laid, nonwoven or non-woven fabric) may be used for the protective filter material 6 which then - preferably by means of gluing - activated carbon particles of the aforementioned type are fixed.
  • this alternative embodiment is less preferred according to the invention.
  • the adsorption capacity and thus the protective function of the protective filter material 6 can be increased by folding the flat, preferably strip-shaped carrier material applied to the sorption material 7 (eg activated carbon), in particular folded several times (ie to two or more more superimposed or superimposed layers of the support material is folded), preferably in the form of a zigzag-shaped fold;
  • the sorption material 7 eg activated carbon
  • the sorption material 7 eg activated carbon
  • the protective filter material 6 may also be provided to equip the protective filter material 6, preferably in the wearing state on the outside, with a particle and / or aerosol filter layer, preferably a particle and aerosol filter layer, preferably in the form of a textile fabric (in US Pat Figures not shown).
  • Particle and / or aerosol filter layers are generally known to the person skilled in the art, so that it is not necessary to discuss further details in this regard.
  • the optionally used particle and / or aerosol filter layer has an average efficiency E m according to DIN EN 779 (July 1993) of at least 40%, in particular at least 50%, preferably at least 70%, particularly preferably at least 90%, completely more preferably at least 95% or more.
  • the optionally available particle and / or aerosol filter layer at an inflow rate of 0.1 m / s, an average deposition rate with respect to particles and / or aerosols with diameters in the range of 0.1 to 0.3 ⁇ m of at least 80%, in particular at least 90%, preferably at least 95% exhibit.
  • the optionally present particle and / or aerosol filter layer at an inflow velocity of 0.1 m / s has an average deposition rate of at least 95% relative to particles and / or aerosols with diameters ⁇ 2 ⁇ m, in particular ⁇ 1.5 ⁇ m. , in particular at least 98%, preferably at least 99%.
  • the protective filter material 6, in particular on the inside and / or outside, with a preferably grid-like, air-permeable cover (not equally shown in the figures).
  • the preferably grid-like, air-permeable cover can on the one hand serve to reinforce the protective filter material 6. On the other hand, it can protect the protective filter material 6 from coarse contamination and thus from unwanted clogging.
  • the ventilation opening 5 is slit-like, in particular in the form of a slot running horizontally in the wearing state.
  • the width of the slot can vary within wide ranges: In general, such ventilation slots 5 have a slot width of 1 to 30 cm, preferably 2 to 20 cm, in particular 3 to 10 cm.
  • the course of the ventilation opening 5, in particular in the case of a slit-like design, may in principle be horizontal or vertical in the wearing state of the protective clothing 1; However, a horizontal course of the ventilation opening 5 is preferred, since in this case there is a reduced mechanical load, in particular a reduced tensile stress, in the worn state.
  • the ventilation opening 5 may be reinforced with respect to mechanical stress, in particular with regard to tensile stress. This can be done, for example, by stabilizing or reinforcing the edge of the ventilation opening 5 (eg by sewing over, applying a additional, in particular reinforcing material to the edge of the opening, etc.).
  • a reinforcement can be provided, for example, at least in the region of the corners of the slot, because there the greatest mechanical stress, in particular the greatest tensile stress, is present in the wearing state.
  • the ventilation opening 5 is formed such that the main air inlet direction or the main Heilanström therapies with respect to the ventilation opening 5 in the wearing state of the protective clothing 1 at least substantially parallel to the outer material 3 and / or at least substantially vertically.
  • the protective clothing 1 is provided with a plurality of ventilation openings 5, in particular with at least two ventilation openings 5.
  • the ventilation openings 5 are or are in the worn state in the chest and / or or back area, preferably at least in the chest area, arranged (see Fig. 1 and 2).
  • one or more ventilation openings 5 may be arranged in the thigh area in the worn state.
  • the inventive concept can be applied to both permeable and impermeable or selectively permeable (i.e., air-permeable and air-impermeable) garments.
  • the inner material 4 is permeable to air and comprises in particular a gas-permeable, in particular air-permeable, adsorbent adsorbent material adsorbing chemical and / or biological pollutants
  • the adsorptive filter material comprising, for example, an adsorbent adsorbing chemical and / or biological pollutants, in particular activated carbon
  • the activated carbon in the form of activated carbon fibers, in particular in the form of an activated carbon fiber sheet, or more preferably in the form of activated carbon grains, preferably activated carbon beads present.
  • the outer material 3 with one or more ventilation openings 5.
  • the ventilation openings 5 can be formed or arranged in particular in an overlapping area of the outer material 3, as shown in FIG.
  • the preferably slit-like ventilation openings 5 are or are covered in the wearing state on the outside by an overlapping material piece of the outer material 3, d. H. the overlap is such that a louver remains between the overlapping pieces of material of the outer material 3, which then allows the passage of air.
  • the protective filter material 6 is preferably connected to the outer material 3, in particular on its inner side, or fixed therewith (eg by gluing, stitching, stapling etc.), as shown in FIG.
  • an airtight protective clothing 1 of the type described ie either an impermeable, so an air, water and wasserdampfun pens system, especially on rubber or rubber base, or a selectively permeable, so an air and water impermeable but permeable to water vapor
  • the inner material 4 has a chemical and / or biological pollutants at least substantially impermeable and at least substantially water and air impermeable layer, which in the case of membrane systems advantageously is formed water vapor permeable and in the case of completely impermeable system z.
  • On rubber or rubber base is also water vapor impermeable.
  • the inner material 4 is provided with one or more ventilation openings 5 (not shown in the figures).
  • the ventilation openings 5 are advantageously formed or arranged in an overlapping region of the inner material 4, ie the ventilation openings 5 are covered in this embodiment in the wearing state on the outside by an overlapping piece of material of the inner material 4, wherein the overlap is such that a louver between the overlapping pieces of material remains, which allows the passage of air.
  • the protective filter material 6 is preferably connected to the inner material 4, in particular on its inner side (eg by gluing, sewing, stapling etc.).
  • the outer material 3 may be provided with one or more ventilation openings 5, in particular in overlapping areas of the outer material 3 (ie the ventilation openings 5 are then covered on the outside by an overlapping piece of material of the outer material 3, as described above for the permeable systems).
  • the inventive concept due to the increased air exchange and consequently the increased heat dissipation and additionally the improved moisture exchange or transport to a significantly increased comfort - and this without reducing the protection performance - the concept of the invention universally on both permeable (ie air-permeable) or selectively permeable (ie, air impermeable, but water vapor permeable), such as impermeable (ie, air and water vapor impermeable) systems.
  • permeable protective clothing systems can be promoted without reducing the protection performance, an exchange of air and thus a release of sweat to the environment by, for example, in the chest area and / or in the back preferably horizontal or horizontal, preferably with textile overlapping vents z.
  • B. be incorporated in the form of slots, which are filled to obtain the protective effect, for example, with an activated charcoal-laden foam, so that the air exchange takes place exclusively on this foam, wherein the Increased protection against biological toxins, especially particles and aerosols, the activated charcoal-laden foam can be additionally covered on the inside and / or outside with a particle filtration fleece.
  • Purely permeable, biological and / or chemical protective suits conventionally consist of two layers, an outer fabric and an activated charcoal filter material connected only at the seams to the outer fabric as lining material; the described construction can be installed in both layers of the protective suit. But since the filter material is generally very permeable to air, it is sufficient for wearing comfort reasons, incorporate the slot-like ventilation holes exclusively in the outer fabric and lined with the activated carbon-laden fabric.
  • impermeable systems i.e., in the case of airtight protective clothing
  • semipermeable membranes e.g, air and water impermeable, but water vapor permeable membranes
  • impermeable films are laminated to the outer fabric and optionally provided with another activated carbon layer as the filter material.
  • impermeable materials it is possible to maintain the protective effect of a protective suit against biological and / or chemical pollutants, if in the membrane or sheet material slit-like ventilation holes are incorporated, which overlap and filled with an activated charcoal-loaded foam so that the Air exchange can only be done by the activated carbon loaded foam material.
  • Another object of the present invention - according to a second aspect of the present invention - is a method for improving the air exchange in protective clothing 1 with protective function against chemical and / or biological pollutants, in particular for civilian or military purposes, such as NBC protective clothing or the like the protective clothing 1 has a multi-layered structure 2, which is a Outer material 3 and equipped with a protective function against chemical and / or biological pollutants interior material 4 comprises.
  • the inventive method is characterized in that the protective clothing 1 is provided with at least one ventilation opening 5 for improving the air exchange and / or improving the moisture removal, wherein the ventilation opening 5 with a gas-permeable, in particular air-permeable, chemical and / or biological contaminants sorbent protective filter material is closed.

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  • Health & Medical Sciences (AREA)
  • Toxicology (AREA)
  • General Health & Medical Sciences (AREA)
  • Business, Economics & Management (AREA)
  • Emergency Management (AREA)
  • Respiratory Apparatuses And Protective Means (AREA)
  • Professional, Industrial, Or Sporting Protective Garments (AREA)
  • Filtering Materials (AREA)
EP07009116.0A 2006-05-23 2007-05-07 Vêtement de protection contre les menaces ABC comprenant une fonction de renouvellement d'air ameliorée. Active EP1859837B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102006024526 2006-05-23
DE200610032145 DE102006032145A1 (de) 2006-05-23 2006-07-12 ABC-Schutzbekleidung mit verbesserter Luftaustauschfunktion

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EP1859837A2 true EP1859837A2 (fr) 2007-11-28
EP1859837A3 EP1859837A3 (fr) 2008-07-09
EP1859837B1 EP1859837B1 (fr) 2014-08-20

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EP07009116.0A Active EP1859837B1 (fr) 2006-05-23 2007-05-07 Vêtement de protection contre les menaces ABC comprenant une fonction de renouvellement d'air ameliorée.

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JP2010540788A (ja) * 2007-09-26 2010-12-24 ゴア エンタープライズ ホールディングス，インコーポレイティド 防護下着
WO2018059722A1 (fr) * 2016-10-01 2018-04-05 BLüCHER GMBH Matière de protection aux propriétés catalytiques et/ou réactives, ainsi que leur fabrication et utilisation
WO2021047789A1 (fr) * 2019-09-09 2021-03-18 BLüCHER GMBH Couvre-chef, en particulier capuche ou cagoule, pour vêtement de protection

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JP4587077B2 (ja) * 2003-10-22 2010-11-24 ブリュッヒャー ゲーエムベーハー 吸着材料、これを使用する防護用具及び吸着材料の使用
DE10357112A1 (de) * 2003-12-06 2005-07-07 Texplorer Gmbh Unterbeinschutzbekleidung
DE102007026340A1 (de) * 2007-04-27 2008-11-06 BLüCHER GMBH Adsorptionsfiltermaterial, insbesondere für die Herstellung von ABC-Schutzbekleidung mit verbesserter Tragephysiologie
US20090047496A1 (en) * 2007-08-16 2009-02-19 Hansen Robert A Multilayer fabric and manufacturing method thereof
EP2398640B1 (fr) * 2009-02-23 2013-06-05 Blücher GmbH Matière textile à stabilité mécanique accrue, ayant notamment une résistance accrue aux perforations et/ou aux projectiles
WO2014133741A1 (fr) 2013-02-26 2014-09-04 Emd Millipore Corporation Extraction sélective d'une protéine contenue dans un mélange de protéines au moyen de charbon actif par ajustement des conditions de la solution.
US11840797B1 (en) 2014-11-26 2023-12-12 Microban Products Company Textile formulation and product with odor control
US10828873B1 (en) 2019-08-16 2020-11-10 Battelle Memorial Institute Textile composite having sorptive and reactive properties against toxic agents
EP3996818B1 (fr) * 2019-09-09 2023-04-19 Blücher GmbH Couvre-chef, en particulier capuche ou cagoule, pour vêtement de protection
WO2022087625A1 (fr) * 2020-10-21 2022-04-28 Leba Frank Trung Combinaison de protection individuelle avec protection contre les contaminants
CN113243583B (zh) * 2021-04-14 2022-11-04 扶沟县申祥服饰有限公司 一种外渗隔水型防护服

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US2994089A (en) * 1954-04-12 1961-08-01 Jr Benjamin E Ferguson Protective garment
GB1392136A (en) * 1972-04-17 1975-04-30 Hansen Helly As Protective suit for use against poisonous substances
EP0190838A2 (fr) * 1985-02-02 1986-08-13 Compton Webb Careerwear Limited Vêtement ou enceinte de protection
DE19701658A1 (de) * 1996-05-03 1998-07-23 Bluecher Gmbh Filtermaterial und damit hergestellte Filter
WO1998016296A1 (fr) * 1996-10-15 1998-04-23 Carrier Corporation Materiau pour filtre et procede de production associe
WO2004073798A1 (fr) * 2003-02-24 2004-09-02 Forsvarets Forskningsinstitutt Vetement de protection
EP1495784A2 (fr) * 2003-07-11 2005-01-12 Blücher GmbH Combinaison de vêtement de protection deux pièces avec une section connexion

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Publication number Priority date Publication date Assignee Title
JP2010540788A (ja) * 2007-09-26 2010-12-24 ゴア エンタープライズ ホールディングス，インコーポレイティド 防護下着
WO2018059722A1 (fr) * 2016-10-01 2018-04-05 BLüCHER GMBH Matière de protection aux propriétés catalytiques et/ou réactives, ainsi que leur fabrication et utilisation
WO2021047789A1 (fr) * 2019-09-09 2021-03-18 BLüCHER GMBH Couvre-chef, en particulier capuche ou cagoule, pour vêtement de protection

Also Published As

Publication number Publication date
DE102006032145A1 (de) 2007-11-29
US20070275619A1 (en) 2007-11-29
US7877819B2 (en) 2011-02-01
EP1859837B1 (fr) 2014-08-20
EP1859837A3 (fr) 2008-07-09

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