EP1677636B1 - Gant de protection respirant a protection nbc - Google Patents

Gant de protection respirant a protection nbc Download PDF

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Publication number
EP1677636B1
EP1677636B1 EP20040765247 EP04765247A EP1677636B1 EP 1677636 B1 EP1677636 B1 EP 1677636B1 EP 20040765247 EP20040765247 EP 20040765247 EP 04765247 A EP04765247 A EP 04765247A EP 1677636 B1 EP1677636 B1 EP 1677636B1
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EP
European Patent Office
Prior art keywords
membrane
layer
carrier layer
protective glove
adsorbing
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EP20040765247
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German (de)
English (en)
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EP1677636A1 (fr
Inventor
Hasso von Blücher
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Bluecher GmbH
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Bluecher GmbH
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Priority claimed from DE10354902A external-priority patent/DE10354902C5/de
Application filed by Bluecher GmbH filed Critical Bluecher GmbH
Publication of EP1677636A1 publication Critical patent/EP1677636A1/fr
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    • A—HUMAN NECESSITIES
    • A62—LIFE-SAVING; FIRE-FIGHTING
    • A62D—CHEMICAL MEANS FOR EXTINGUISHING FIRES OR FOR COMBATING OR PROTECTING AGAINST HARMFUL CHEMICAL AGENTS; CHEMICAL MATERIALS FOR USE IN BREATHING APPARATUS
    • A62D5/00—Composition of materials for coverings or clothing affording protection against harmful chemical agents
    • A—HUMAN NECESSITIES
    • A41—WEARING APPAREL
    • A41D—OUTERWEAR; PROTECTIVE GARMENTS; ACCESSORIES
    • A41D19/00—Gloves
    • A41D19/015—Protective gloves
    • 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
    • Y10T442/2508—Coating or impregnation absorbs chemical material other than water
    • Y10T442/2516—Chemical material is one used in biological or chemical warfare

Definitions

  • the present invention relates to a breathable protective glove with protective function against chemical toxins, in particular chemical warfare agents, according to the preamble of claim 1, in particular for military use or for ABC use.
  • FR 2 752 994 A1 a protective glove against nuclear, biological and chemical pollutants with an inner filter layer containing activated carbon and adhered to a fabric carrier.
  • the protective glove has an outer layer of cotton / polyester, which is partially subjected to a Hydrooleofugen treatment.
  • Another object of the present invention is that in the US 6,301,715 B1 resp., In the two aforementioned parallel patent applications WO 01/82728 A1 and DE 201 21 518 U1 further developed glove.
  • the present invention proposes a protective glove, in particular a breathable protective glove (eg military protective glove or ABC protective glove) according to claim 1. Further, advantageous embodiments of the protective glove according to the invention are the subject of the dependent claims.
  • a protective glove in particular a breathable protective glove (eg military protective glove or ABC protective glove) according to claim 1.
  • the basic idea of the present invention is to provide a breathable protective glove with a multilayered layer structure having a particular flat, outside carrier layer and a barrier layer which prevents, or at least retards, the inner side (ie, in the carrying state of the hand facing) the barrier layer associated with the carrier layer and which has a Adsorption layer based on a adsorbent adsorbent material (eg based on activated charcoal) comprising chemical poisons, thereby providing an enhanced function of protection against chemical poisons, in particular chemical warfare agents, that the barrier layer in addition to the adsorption at least substantially water-impermeable, but permeable to water vapor, the passage of chemical poisons retarding or at least substantially impermeable to chemical poisons membrane which between the Supremesch and the adsorption layer is arranged.
  • a adsorbent adsorbent material eg based on activated charcoal
  • the aforementioned membrane which is arranged between the carrier layer and the adsorption, causes any chemical poisons which may have penetrated through the outside carrier layer, such as e.g. As chemical warfare agents, the adsorption or not reach at least for the most part not at all, so that the adsorption capacity of the adsorption remains virtually inexhaustible.
  • a special breathable membrane which delays the passage of chemical poisons or at least substantially impermeable to chemical poisons, a good decontamination and regenerability of the protective glove according to the invention is achieved.
  • Fig. 1 shows a breathable protective glove 1 according to the invention with protective function against chemical toxins, in particular against chemical warfare agents.
  • the protective glove 1 according to the invention has a multi-layered layer structure 2 with a particular flat, outer side carrier layer 3 and an inner side (ie, in the wear state of the hand facing), the passage of chemical poisons preventing or at least retarding barrier layer 4, which an adsorption 5 Based on a chemical poisons adsorbing adsorbent material, in particular based on activated carbon, comprises.
  • the barrier layer 4 has an at least substantially water and air impermeable, but water vapor permeable (ie breathable) chemical vapor retardant or at least substantially impermeable to chemical poisons membrane 6 sandwiched between the support layer 3 and the adsorbent layer 5 is arranged.
  • the barrier layer 4 comprises both an adsorption layer 5 and a membrane 6 with the aforementioned properties.
  • the inventive arrangement of the membrane 6 between the carrier layer 3 and the adsorption layer 5 ensures that poisons which may have penetrated through the outer carrier layer 3 of the protective glove 1 are already retained by the membrane 6 and consequently the adsorption layer 5 is not only reach or at best in extremely small quantities; In this way, on the one hand the adsorption capacity of the adsorption virtually never exhausted, and on the other hand, the presence of the membrane 6, an additional protection for the wearer of the protective glove 1 is provided so that a protective glove 1 with so-to-double protection against chemical toxins results (namely on the one hand by the blocking effect of the membrane 6 and on the other hand by the adsorption effect of the adsorption layer 5).
  • the protective glove 1 is decontaminated and regenerable; since poisons which may have penetrated through the outer layer 3 can be removed again from the membrane 6 by appropriate treatment methods (eg by flushing), for example with suitable decontamination solutions which are well known to the person skilled in the art for these purposes.
  • the membrane 6 or the barrier layer 4 is indirectly connected to the carrier layer 3 on its side facing away from the hand in the carrying state.
  • the side facing the wearer's hand or the support layer 3 facing away from the diaphragm 6 (ie, the inside) of the membrane 6 is charged with the adsorption layer 5;
  • the adsorption layer 5 is attached to the membrane 6 by means of adhesive application 7.
  • the adhesive application 7 can in principle be discontinuous ( Fig. 2A ) or continuously or completely ( Fig. 2B ) respectively.
  • a discontinuous, in particular punctiform adhesive application is preferred accordingly Fig.
  • an additional, preferably flat carrier layer 8 is arranged between the membrane 6 and the support layer 3.
  • the membrane 6 is only indirectly connected to the carrier layer 3, via the additional carrier layer 8.
  • the additional carrier layer 8 serves to stabilize and / or support the membrane 6, both in the processing of the membrane 6, in particular at the application of adhesive 7 and the adsorption layer 5, as well as in use or when wearing the protective glove 1.
  • the additional support layer 8 in particular the wear resistance, such. As the tensile strength, the membrane 6 increased.
  • the membrane 6 is laminated or laminated on the additional support layer by means of an adhesive (not shown in the drawings) which is applied in a point-like manner, because this prevents excessive rigidity of the membrane 6 and in this way increases the wearing comfort .
  • materials for the additional carrier layer 8 for example, textile materials, in particular textile fabrics such. As wovens, knits, knits, scrims or Terctilverbundstoffe (eg., Nonwovens), which are preferably designed to be permeable to air.
  • the additional carrier layer 8 has a lower basis weight than the carrier layer 3.
  • the weight per unit area of the additional carrier layer 8 is less than 60 g / m 2 , in particular less than 50 g / m 2 , preferably less than 40 g / m 2 ; This contributes to an increased wearing comfort, because in this way the flexibility of the layer structure 2 as a whole is not substantially impaired and a good wearing comfort is achieved.
  • the membrane 6 is acted upon on the inside (ie on the side facing the wearer in the carrying state) with an adsorption layer 5.
  • the adsorption layer 5, in turn, may be provided with a covering layer 9 on its side facing the hand in the wearing state, ie, facing away from the membrane 6, which is advantageously fastened to the adsorption layer 5;
  • adhesives which are preferably applied intermittently, in particular punctiform, on the cover layer 9 or else so-called hot melt adhesive webs ("hot melt adhesive webs") which are arranged between the cover layer 9 and the adsorption layer 5 are suitable for fastening the cover layer 9 to the adsorption layer 5
  • Hot melt adhesive webs hot melt adhesive webs
  • Air-permeable textile materials in particular textile fabrics, such as woven, knitted or knitted fabrics, scrims or textile composites (eg nonwovens, in particular polyamide / polyester nonwovens or PA / PES nonwovens) are preferably suitable as covering layer 9.
  • the cover 9 is formed abrasion resistant or consists of an abrasion-resistant textile material.
  • the covering material 9 has a weight per unit area of 5 to 150 g / m 2 , in particular 10 to 125 g / m 2 , preferably 40 to 100 g / m 2 .
  • the presence of the covering material or the covering layer 9 has the particular advantage that a direct contact of the skin or the hand with the adsorption 5 during.
  • the protective glove 1 Wearing the protective glove 1 is avoided; This on the one hand causes the adsorption layer 5 is not contaminated by sweat, and on the other hand, a higher comfort is achieved because the cover layer 9 in the context of the layer structure 2 of the invention occupies the puncture of a textile inner glove, which causes a comfortable fit. On the other hand, the covering layer 9 prevents excessive mechanical loading of the adsorption material of the adsorption layer.
  • the membrane 6 is glued to the outside (ie, on the side facing away from the hand in the carrying state) with the additional carrier layer 8.
  • the bonding takes place only discontinuously, namely punctiform, in particular in the form of a dot-shaped raster or pattern, wherein the adhesive only 30% at most, in particular only at most 25%, preferably only at most 20%, more preferably only at most 10% in the state of wear of the Hand facing away from the membrane 6 covered.
  • the adsorption layer 5 is applied to the membrane 6, in particular by means of an adhesive 7; the application of the adhesive 7 takes place-as described above-advantageously discontinuously, in particular only punctiform, usually in the form of a dot-shaped grid, with at least 50%, in particular at least 60%, preferably at least 70%, particularly preferably at least 75%, to achieve a high adsorption performance. , most preferably at least 80% of the hand-facing, d. H.
  • the support layer 3 opposite side of the membrane 6 may be covered or acted upon with the adsorbent material of the adsorption layer 5; Accordingly, the adhesive application 7 is to be provided over these areas of the membrane 6.
  • a fabric (Grewebe, knitted fabric, scrim, fleece, etc.) is used from activated carbon fibers, the in the worn state of the hand facing, d. H. So the carrier layer 3 opposite side of the membrane 6 completely, d. H. 100%, to be covered with the adsorption material of the adsorption layer 5; the activated carbon fiber structure can be fixed to the membrane 6, for example, by only point-wise adhesive application.
  • the individual layers 3, 4, 5, 6, 8 and 9 of the layer structure 2 are connected to each other; This is done by methods known per se for this purpose (eg by gluing, welding, sewing, stapling etc.).
  • the bonding or fixing of the individual layers 3, 4, 5, 6, 8 and 9 of the layer structure 2 takes place in each case seamlessly, preferably without damaging the individual layers 3, 4, 5, 6, 8 and 9 (eg. by gluing, welding, etc.).
  • it is recommended to seal the seams eg with a so-called seam-sealing tape.
  • the individual layers 3, 4, 5, 6, 8 and 9 of the layer structure 2 form a coherent composite.
  • the individual layers 3, 4, 5, 6, 8 and 9 or the layer structure 2 can extend over the entire hand including the wrist and a part of the lower forearm ( Fig. 1 ). According to this embodiment, the individual layers 3, 4, 5, 6, 8 and 9 or the layer structure 2 form a coherent glove in the form of a hand with five fingers and a shaft which extends over the knuckle of the hand.
  • the protective glove 1 is designed as a finger glove, thus has the shape of a hand with five fingers on; This not only increases the wearing comfort, but also facilitates the use for military or ABC purposes.
  • the fact that the glove 1 according to the invention advantageously extends over the knuckle (i.e., has a glove shaft) enables a sealing connection with a simultaneously worn ABC protective suit;
  • the glove and / or the ABC protective suit may be provided with appropriate sealing elements (eg zippers, hook-and-loop fasteners, sealing lips, etc.) in order to seal the transition between protective glove 1 and ABC protective suit or to seal them together.
  • the individual layers 3, 4, 8 and 9 in each case form the shape of a glove with five fingers: the covering layer 9 forms an inner glove, so to speak, while the carrier layer 3 forms, so to speak, an outer glove.
  • the barrier layer 4 with adsorption layer 5 on the inside and outer membrane 6 forms, together with the additional carrier layer 8, a core glove located between inner glove and outer glove, wherein all three glove parts - outer, inner and core glove - are connected together and together form the protective glove 1 according to the invention ,
  • any, in particular breathable, materials as used for gloves in general can be used here.
  • these are textile materials, preferably air-permeable textile materials, in particular in the form of textile fabrics, such.
  • woven, knitted, knitted, scrim or textile composites such as woven, knitted, knitted, scrim or textile composites.
  • the nonwoven fabric may be a nonwoven.
  • the carrier layer 3 may also be formed as a leather material. It is advantageous to form the outer glove or the carrier layer 3 seamlessly in the region of the fingertips.
  • US 6 301 715 B1 respectively.
  • oleophobization and / or hydrophobing of the material of the outer carrier layer 3 is recommended, in particular by a special impregnation.
  • the material of the carrier layer 3 or of the outer glove generally has a basis weight of 50 to 300 g / m 2 , in particular 75 to 250 g / m 2 , preferably 75 to 175 g / m 2 .
  • the carrier layer 3 as an air-permeable, 75 to 250 g / m 2 , preferably 75 to 175 g / m 2 heavy textile fabric, which may be equipped oleophobic and / or hydrophobic formed.
  • the thickness of the membrane 6 is generally 1 to 500 .mu.m, in particular 1 to 250 .mu.m, preferably 1 to 100 .mu.m, preferably 1 to 50 .mu.m, more preferably from 2.5 to 30 .mu.m, most preferably 5 to 25 ⁇ .
  • the membrane 6 at 25 ° C and at a thickness of 50 microns high water vapor permeability of at least 12.5 1 / m 2 per 24 h, in particular at least 17.5 1 / m 2 per 24 h, preferably at least 20 l / m 2 per 24 h or more (measured according to the "inverted cup method" according to ASTM E 96 and at 25 ° C.) (For further details on the measurement the water vapor permeability [water vapor transmission, WVT], see also McCullough et al. "A comparison of standard methods for measuring water vapor permeability of fabrics" in Meas. Sci. Technol. [Measurements Science and Technology] 14, 1402-1408, August 2003 ). This ensures a particularly high wearing comfort.
  • the water vapor permeability of the protective glove 1 as a whole is slightly lower compared to the membrane 6 alone; the water vapor permeability of the protective glove 1 overall is still very high and is at least 101 / m 2 per 24 h, in particular at least 15 1 / m 2 per 24 h, preferably at least 201 / m 2 per 24 h, with a thickness of the membrane 6 of 50 ⁇ m (at 25 ° C).
  • the membrane 6 was for reasons of breathability a low water vapor transmission resistance R et under stationary conditions - measured according to DIN EN 31 092: 1993 of February 1994 ("Textiles - Physiological effects, measurement of heat and water vapor transmission resistance under steady state conditions [sweating guarded-hotplate test ] ”) or according to the same international standard ISO 11 092 - at 35 ° C of at most 30 (m 2 ⁇ Pascal) / watt, in particular at most 25 (m 2 ⁇ Pascal) / watt, preferably at most 20 (m 2 ⁇ Pascal) / Watt, have a thickness of the membrane 6 of 50 microns.
  • the water vapor transmission resistance R et of the protective glove 1 as a whole is slightly higher than that of the membrane 6 alone;
  • the water vapor transmission resistance R et of the glove 1 is at most 30 (m 2 ⁇ Pascal) / watt, in particular at most 25 (m 2 Pascal) / watt, preferably at most 20 (m 2 ⁇ Pascal) / watt, with a thickness of the membrane 6 of 50 ⁇ m.
  • the membrane 6 should at most only be able to absorb or swell water to a slight extent; a slight water absorption capacity or swelling capacity increases the wearing comfort.
  • the swelling capacity or the water absorption capacity of the membrane 6 should be at most 35%, in particular at most 25%, preferably at most 20%, based on the intrinsic weight of the membrane 6.
  • the membrane 6 should be at least substantially impermeable to liquids, in particular water, and / or aerosols, or at least delay their passage.
  • the membrane 6 should have no or substantially no strongly hydrophilic groups, in particular no hydroxyl groups. For the purposes of a slight swelling, the membrane 6 but weakly hydrophilic groups, such as polyether groups have.
  • the membrane 6 may consist of or comprise a plastic or a polymer material. Such a plastic or such a polymer may suitably z. B. be selected from the group of polyurethanes, polyetheramides, polyesteramides, polytetrafluoroethylenes and / or polymers based on cellulose and derivatives of the aforementioned compounds.
  • the membrane 6 can be obtained as a reaction product from the reaction of an isocyanate, in particular a masked or blocked isocyanate, with an isocyanate-reactive crosslinker.
  • the membrane 6 may be a polyurethane-based membrane.
  • the membrane 6 may also be an expanded, optionally microporous membrane based on polytetrafluoroethylene.
  • the optionally present membrane 6 may be formed as a multilayer membrane laminate or as a multilayer membrane composite.
  • This membrane laminate or membrane composite can consist of at least two, preferably at least three interconnected membrane layers or layers.
  • this membrane laminate or membrane composite may comprise a core layer based on a cellulose-based polymer and two outer layers bonded to the core layer, in particular based on a polyurethane, a polyetheramide and / or a polyesteramide.
  • the core layer based on a cellulose-based polymer may be formed as a 1 to 100 ⁇ m, in particular 5 to 50 ⁇ m, preferably 10 to 20 ⁇ m thick membrane and the two outer layers connected to the core layer may each be 1 to 100 ⁇ m, in particular 5 be formed to 50 microns, preferably 5 to 10 microns thick membrane.
  • This particular embodiment of the membrane 6 makes it possible to combine different membrane materials, each with different properties, in particular different water vapor permeabilities and / or Baniefe Koch compared to chemical poisons, and thus to achieve an optimization of the properties of the membrane 6.
  • cellulose and cellulose derivatives are excellent barrier materials, especially against chemical pollutants or toxins such.
  • the core layer be based on a cellulose-based polymer, while the two outer layers of the membrane 6 are formed by polyurethane layers.
  • the membrane 6 in particular in order to increase the stability or sealing resistance, in particular the tear strength, of the membrane 6 in the production process (eg when printing on the membrane 6 with hot adhesive 7) as well as when wearing it, the membrane 6 can be mounted on one be applied or laminated on additional carrier layer 8.
  • additional carrier layer 8 In this regard, reference may be made to the above statements.
  • the membrane 6 has a certain elasticity.
  • the membrane 6 can be stretched or stretched to at least 10%, in particular to at least 20%, preferably to at least 30% or more, at least in one direction (based on the membrane 6).
  • the layer structure 2 as a whole should for the aforementioned purposes - in addition to a good flexibility - also have a certain elasticity;
  • the elasticity of the layer structure 2 as a whole is slightly lower, and generally the layer structure 2 is at least 5%, preferably at least 10%, more preferably at least 15% or more, at least one Direction stretchable or stretchable.
  • the membrane 6 can simultaneously represent the adhesive layer 7 for fixing the adsorption layer 5.
  • the membrane 6 must be self-adhesive, in particular heat-tacky, formed. According to this particular embodiment, there is a saving in weight, as can be dispensed with an additional adhesive layer 7 entirely.
  • the membrane 6 of the protective glove 1 consists of two interconnected, preferably sealingly interconnected, in particular glued together and / or welded pieces of material.
  • both pieces of material each have the shape of a hand with five fingers, one of the two pieces of material for covering the front of the hand (hand inside) and the other piece of material for covering the Andgurseite (back of the hand) is determined and the two pieces of material only along their respective outer contours, in particular along the outline of the hand, connected to each other, preferably sealingly connected to each other, in particular glued together and / or welded, are.
  • the adsorption layer 5 of the protective glove 1 As regards the adsorption layer 5 of the protective glove 1 according to the invention, this is generally discontinuous, d. H. the A.dsorptions slaughter 5 generally comprises discrete, adsorbent adsorbent chemical particles (eg based on activated carbon), which may be fixed for example by means of an adhesive 7 on the membrane 6.
  • the adsorption material of the adsorption layer 5 is in particular an adsorbent material containing or consisting of activated carbon, for example a material based on activated carbon in the form of activated carbon particles and / or activated carbon fibers.
  • activated carbon-containing materials are used as adsorption material for the formation of the adsorption layer 5, the already existing high wearing comfort can be further increased because the activated carbon serves as an intermediate moisture or water reservoir (eg for sweat) and moisture or moisture Water can, so to speak, "buffer" it.
  • activated carbon beads as adsorption material for the Adsarptionssehicht 5 runs of up to about 250 g / m 2 or more are common, so that z. B. in a sweat break about 40 g / m 2 moisture can be stored, which can then be given back to the environment in the case of a breathable carrier or outer layer 3.
  • the adsorbent layer 5 comprises discrete particles of activated carbon, preferably in conformance ("charcoal") or ("carbon spheres").
  • the average diameter of the activated carbon particles is less than 1.0 mm, in particular less than 0.5 mm, preferably less than 0.4 mm, preferably less than 0.35 mm; however, the average diameter of the activated carbon particles is at least 0.1 mm.
  • the activated carbon particles are generally in an amount of 5 to 500 g / m 2 , preferably 20 to 300 g / m 2 , preferably 25 to 250 g / m 2 , particularly preferably 50 to 120 g / m 2 , on the Membrane 6 applied.
  • Suitable activated carbon particles have internal surface areas (BET) of at least 800 m 2 / g, in particular of at least 900 m 2 / g, preferably of at least 1000 m 2 / g, preferably in the range of 800 to 1500 m 2 / g.
  • BET internal surface areas
  • Grain, especially ball carbon has the distinct advantage that it is extremely abrasion resistant and very hard, which is of great importance in terms of wear properties.
  • the bursting pressure for a single particle of activated carbon, especially activated carbon granules is generally at least about 5 Newton, more preferably at least about 10 Newton, and may reach up to about 20 Newton.
  • the adsorption layer 5 as adsorption material comprise activated carbon fibers, in particular in the form of activated carbon fiber sheets.
  • activated carbon fiber sheetings may, for example, have a weight per unit area of 20 to 200 g / m 2 , in particular 30 to 150 g / m 2 , preferably 15 to 120 g / m 2 .
  • These activated carbon fiber sheets may be, for example, activated carbon fiber fabrics, knits, blends or composites (eg, based on carbonized and activated cellulose and / or carbonized and activated acrylonitriles).
  • Suitable catalysts according to the invention are, for example, enzymes and / or metal ions, preferably copper, silver, cadmium, platinum, palladium, zinc and / or mercury ions.
  • the amount of catalyst can vary widely; In general, it is 0.05 to 12 wt .-%, preferably 1 to 10 wt .-%, particularly preferably 2 to 8 wt .-%, based on the weight of the adsorption layer fifth
  • At least 50%, in particular at least 60%, preferably at least 70%, of the adsorption layer 5 or of the adsorption material of the adsorption layer 5 are freely accessible for the poisons or warfare agents to be adsorbed, d. H. not covered with adhesive 7. This happens because the amount and type, in particular the viscosity, of the adhesive 7 are designed such that the adsorption material of the adsorption layer 5 is not completely pressed into the adhesive 7 or sinks.
  • a typical protective glove 1 may for example consist of the following layers:
  • the carrier layer 3 (“outer glove”) may for example consist of a robust and possibly flame-retardant fiber type, preferably in a seamless round-knit form.
  • the cover layer 9 (“inner glove”) may consist of materials that are comfortable to wear on the skin (Co, Rayon, PA, PES, m-aramid), possibly in flame-resistant design, preferably in a seamless, circular knit design.
  • the barrier layer 4, which is arranged between the inner and the outer glove, may contain activated carbon-carbon beads and / or fibers in addition to the membrane 6 for forming the adsorption layer 5 for the purpose of adsorbing the pollutants.
  • the protective glove 1 according to the invention offers efficient protection against chemical poisons, in particular chemical warfare agents, at the same time as high wearing comfort, in particular good breathability.
  • the decisive advantage of the protective glove 1 according to the invention after present invention is that the protective function against chemical toxins in the protective glove 1 itself is integrated and no additional equipment is required. This not only achieves considerable weight savings and increased comfort, but also opens up the possibility of an efficient sealing connection of the transition to an ABC protective suit, so that chemical poisons, e.g. As warfare agents, the transition of protective glove / protective suit or not easily can happen. Due to these properties, the protective glove 1 according to the invention according to the present invention is particularly suitable for military use or ABC use (eg in the form of a military protective glove or ABC protective glove).
  • breathable glove outer materials such as e.g. Leather or textiles, use, so that in this way the wearing comfort can be increased without the wearer of the protective glove 1 is exposed to increased risk through the use of a breathable glove outer material.
  • the inventive design of the protective glove 1 according to the present invention an excellent barrier effect against chemical warfare agents is achieved.
  • the barrier effect of the protective glove 1 or, the membrane 6 to chemical warfare agents, especially bis [2-chloroethyl] sulfide (synonymously also called mustard gas, Lost or yellow cross), measured according to CRDEC-SP-84010, method 22, is at most 4 micrograms / cm 2 per 24 h, in particular at most 3.5 ⁇ g / cm 2 per 24 h, preferably at most 3.0 ⁇ g / cm 2 per 24 h, particularly preferably at most 2.5 ⁇ g / cm 2 per 24 h, at a thickness the membrane 6 of 50 microns.
  • the preparation of the protective glove 1 according to the invention can be carried out in a manner known per se. This is well known to those skilled in the manufacture of gloves expert.
  • a membrane 6 approximately 50 to 100 ⁇ m thick is laminated or laminated by means of a point-wise applied adhesive to a carrier layer 8 which serves to reinforce and stabilize the membrane.
  • the membrane 6, which may be, for example, a Polyurethanrrxernbran, on the side facing away from the carrier layer 8 printed with a water vapor permeable adhesive 7 in the form of a dot-like grid on the connecting in the still adhesive state of the adhesive 7 activated carbon beads to form the Adsorption 5 are applied.
  • the adhesive 7 is optionally dried and / or cured.
  • a barrier layer 4 results in the form of an activated charcoal membrane glove.
  • the adsorption layer 5 is subjected on the inside with a covering material 9 in the form of an inner glove, for example by gluing with a hot melt adhesive web; This can for example be done by the inner glove is placed over a metal mandrel in the form of a hand with five fingers, then z. B. is acted upon by the Schmelzkleberweb and then the previously prepared membrane glove is then slipped on.
  • the support layer 8 is then externally connected to a support layer 3 in the form of an outer glove (eg., By means of the technique described above), so that ultimately a protective glove 1 according to the invention with a cover layer 9 as an inner glove, an outer support layer 3 as an outer glove and a between the inner and outer glove arranged barrier layer 4 of adsorption layer 5 and membrane 6, which together with the additional stabilizing layer 8 for the membrane 6 so to speak, forms a core or middle glove results, wherein the individual layers 3, 4 and 9 connected to each other are.
  • the individual layers mentioned above are - according to the structure - put together and the arm end z. B. connected by a seam.
  • the layers may also be fixed to the tops of the fingers and on the back of the hand by adhesives (such as by hot melt adhesive, for example with thermal activation of the adhesive), double sided adhesive tape strips or hook and loop fasteners or the like.

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  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Toxicology (AREA)
  • Health & Medical Sciences (AREA)
  • General Health & Medical Sciences (AREA)
  • Materials Engineering (AREA)
  • Textile Engineering (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Business, Economics & Management (AREA)
  • Emergency Management (AREA)
  • Gloves (AREA)
  • Professional, Industrial, Or Sporting Protective Garments (AREA)

Claims (30)

  1. Gant de protection respirant (1) doté d'une fonction de protection vis-à-vis des poisons chimiques, en particulier les armes chimiques, doté d'une structure stratifiée (2) en plusieurs couches, présentant une couche de support (3) en particulier plate et une couche de blocage (4) associée à la couche de support (3), tournée vers la main lorsque le gant est porté et empêchant ou au moins ralentissant le passage des poisons chimiques,
    la couche de blocage (4) comprenant:
    - une couche d'adsorption (5) à base d'un agent d'adsorption qui adsorbe les poisons chimiques, en particulier à base de charbon actif et
    - une membrane (6) disposée entre la couche de support (3) et la couche d'adsorption (5), au moins essentiellement imperméable à l'eau et à l'air mais perméable à la vapeur d'eau, ralentissant la traversée par les poisons chimiques ou étant au moins essentiellement imperméable aux poisons chimiques,
    la membrane (6) étant recouverte par la couche d'adsorption (5) sur son côté non tourné vers la couche de support (3) et tourné vers la main lorsque le gant est porté,
    caractérisé en ce que
    une couche supplémentaire de support (8), plate, qui sert à stabiliser et/ou soutenir la membrane (6), est disposée entre la membrane (6) et la couche de support (3),
    le poids par unité de surface de la couche supplémentaire de support (8) étant inférieur à celui de la couche de support (3) et
    la membrane (6) étant stratifiée ou collée sur la couche supplémentaire de support (8) au moyen d'un adhésif appliqué ponctuellement sur son côté non tourné vers la main lorsque le gant est porté.
  2. Gant de protection selon la revendication 1, caractérisé en ce que la couche d'adsorption (5) peut être fixée sur la membrane (6) au moyen d'un adhésif (7).
  3. Gant de protection selon l'une ou plusieurs des revendications précédentes, caractérisé en ce que la couche supplémentaire de support (8) est configurée comme matériau textile de préférence perméable à l'air, de préférence comme produit textile plat, par exemple un tissu, un tricot, un jersey, une couche ou un composite textile, et/ou en ce que le poids par unité de surface de la couche supplémentaire de support (8) est inférieur à 60 g/m2, en particulier inférieur à 50 g/m2 et de préférence inférieur à 40 g/m2 et/ou en ce que la couche supplémentaire de support (8) est reliée à la couche de support (3) en particulier au moyen d'un adhésif appliqué de préférence par points.
  4. Gant de protection selon l'une ou plusieurs des revendications précédentes, caractérisé en ce qu'une couche de recouvrement (9) est appliquée sur le côté de la couche d'adsorption (5) tourné vers la peau mais non tourné vers la membrane (6) lorsque le gant est porté, la couche de recouvrement (9) étant en particulier fixée sur la couche d'adsorption (5), en particulier au moyen d'un adhésif appliqué de préférence de manière discontinue et de préférence par points sur la couche de recouvrement (9), ou au moyen d'un tissu adhésif à l'état fondu ("toile adhésive à l'état fondu"), et/ou la couche de recouvrement (9) étant en particulier un matériau textile de préférence perméable à l'air, en particulier un produit textile plat, de préférence un tissu, un tricot, un jersey, une couche ou un composite textile, par exemple un feutre, en particulier un feutre de polyamide et de polyester (feutre PA/PS), et/ou la couche de recouvrement (9) étant en particulier configurée de manière à résister à l'usure et étant constituée en particulier d'un matériau textile résistant à l'usure, et/ou le poids par unité de surface de la couche de recouvrement (9) étant en particulier de 5 à 150 g/m2, mieux de 10 à 125 g/m2 et de préférence de 40 à 100 g/m2.
  5. Gant de protection selon l'une ou plusieurs des revendications précédentes, caractérisé en ce que la membrane (6) est collée sur la couche supplémentaire de support (8) au moyen d'un adhésif appliqué sous la forme d'une trame de points, l'adhésif couvrant au plus 30 %, en particulier au plus 25 %, de préférence au plus 20 % et de façon particulièrement préférable au plus 10 % du côté de la membrane (6) non tourné vers la main lorsque le gant est porté, et/ou en ce que la couche d'adsorption (5) est appliquée sur la membrane (6) au moyen d'un adhésif (7), le collage s'effectuant en particulier uniquement par points et en particulier sous la forme d'une trame de points, et/ou en particulier au moins 50 %, mieux au moins 60 %, de préférence au moins 70 %, de façon particulièrement préférable au moins 75 % et de façon tout particulièrement préférable au moins 80 % du côté de la membrane (6) tourné vers la main et non tourné vers la couche de support (3) lorsque le gant est porté étant recouverts par l'agent d'adsorption de la couche d'adsorption (5).
  6. Gant de protection selon l'une ou plusieurs des revendications précédentes, caractérisé en ce que les différentes couches (3, 4, 5, 6, 8, 9) de la structure stratifiée (2) sont reliées l'une à l'autre et/ou en ce que les différentes couches (3, 4, 5, 6, 8, 9) de la structure de couche (2) forment un composite.
  7. Gant de protection selon l'une ou plusieurs des revendications précédentes, caractérisé en ce que le gant de protection (1) est configuré comme moufle et/ou en ce que le gant de protection (1) présente la forme d'un gant à cinq doigts.
  8. Gant de protection selon l'une ou plusieurs des revendications précédentes, caractérisé en ce que la couche de support (3) est configurée comme matériau textile, de préférence un matériau textile perméable à l'air et en particulier un produit textile plat, le matériau textile pouvant être en particulier un tissu, un tricot, un jersey, une couche ou un composite textile, le composite textile pouvant en particulier être un feutre, et/ou en ce que la couche de support (3) est formée d'un matériau à base de cuir.
  9. Gant de protection selon l'une ou plusieurs des revendications précédentes, caractérisé en ce que la couche de support (3) est oléophobe et/ou hydrophobe, en particulier grâce à une imprégnation spéciale, et/ou en ce que le poids par unité de surface du matériau de la couche de support (3) est de 50 à 300 g/m2, en particulier de 75 à 250 g/m2 et de préférence de 75 à 175 g/m2, et/ou en ce que la couche de support (3) est configurée comme produit textile plat lourd, de 75 à 250 g/m2 et de préférence de 75 à 175 g/m2 qui peut être rendu oléophobe et/ou hydrophobe.
  10. Gant de protection selon l'une ou plusieurs des revendications précédentes, caractérisé en ce que la membrane (6) est une membrane continue, en particulier fermée ou en tout cas microporeuse, et/ou en ce que l'épaisseur de la membrane (6) est de 1 à 500 µm, en particulier de 1 à 250 µm, de préférence de 1 à 100 µm, mieux de 1 à 50 µm, de façon particulièrement préférable de 2,5 à 30 µm et de façon tout particulièrement préférable de 5 à 25 µm, et/ou en ce que la membrane (6) présente à 25 °C et pour une épaisseur de 50 µm une perméabilité à la vapeur d'eau d'au moins 12,5 l/m2 par 24 h, en particulier d'au moins 17,5 l/m2 par 24 h et de préférence d'au moins 20 l/m2 par 24 h, et/ou en ce que le gant de protection (1) présente à 25 °C et pour une membrane (6) d'une épaisseur de 50 µm une perméabilité à la vapeur d'eau d'au moins 10 l/m2 par 24 h, en particulier d'au moins 15 l/m2 par 24 h et de préférence d'au moins 20 l/m2 par 24 h.
  11. Gant de protection selon l'une ou plusieurs des revendications précédentes, caractérisé en ce que dans des conditions stationnaires, la membrane (6) présente à 35 °C une résistance Ret au passage de la vapeur d'eau, mesurée selon DIN EN 31 092:1993 (février 1994) ou la norme internationale ISO 11 092, d'au plus 25 (m2.Pascal)/Watt, en particulier d'au plus 20 (m2.Pascal)/Watt et de préférence d'au plus 13 (m2.Pascal)/Watt pour une épaisseur de 50 µm et/ou en ce que dans des conditions stationnaires, le gant de protection (1) présente à 35 °C une résistance Ret au passage de la vapeur d'eau, mesurée selon DIN EN 31 092:1993 (février 1994) ou la norme internationale ISO 11 092, d'au plus 30 (m2.Pascal)/Watt, en particulier d'au plus 25 (m2.Pascal)/Watt et de préférence d'au plus 20 (m2.Pascal)/Watt pour une membrane (6) d'une épaisseur de 50 µm.
  12. Gant de protection selon l'une ou plusieurs des revendications précédentes, caractérisé en ce que la membrane (6) est en tout cas peu gonflable et/ou capable de reprendre l'eau, la capacité de gonflement et/ou la capacité de reprise d'eau de la membrane (6) étant d'au plus 35 %, en particulier d'au plus 25 % et de préférence d'au plus 20 % par rapport au poids propre de la membrane (6) et/ou en ce que la membrane (6) est au moins essentiellement imperméable aux liquides, en particulier à l'eau et/ou aux aérosols, ou au moins ralentit leur traversée.
  13. Gant de protection selon l'une ou plusieurs des revendications précédentes, caractérisé en ce que la membrane (6) ne présente pas ou essentiellement pas de groupes fortement hydrophiles, en particulier pas de groupes hydroxyle, et/ou en ce que la membrane (6) présente des groupes faiblement hydrophiles, en particulier des groupes polyéther.
  14. Gant de protection selon l'une ou plusieurs des revendications précédentes, caractérisé en ce que la membrane (6) comporte une matière synthétique et/ou un polymère et/ou est constituée de ces derniers, la matière synthétique et/ou le polymère pouvant être sélectionnés en particulier dans l'ensemble constitué des polyuréthanes, des polyétheramides, des polyesteramides, du polytétrafluoroéthylène et/ou des polymères à base de cellulose et/ou de dérivés desdits composés.
  15. Gant de protection selon l'une ou plusieurs des revendications précédentes, caractérisé en ce que la membrane (6) est obtenue comme produit de réaction d'un isocyanate, en particulier un isocyanate masqué ou bloqué, avec un agent de réticulation réagissant avec les isocyanates.
  16. Gant de protection selon l'une ou plusieurs des revendications précédentes, caractérisé en ce que la membrane (6) est une membrane à base de polyuréthane et/ou en ce que la membrane (6) est une membrane à base de polytétrafluoroéthylène expansé et est éventuellement microporeuse.
  17. Gant de protection selon l'une ou plusieurs des revendications précédentes, caractérisé en ce que la membrane (6) est un stratifié multicouche de membranes et/ou un composite multicouche de membranes, le stratifié de membranes et/ou le composite de membranes étant constitués d'au moins deux mais de préférence d'au moins trois couches ou strates liées les unes aux autres.
  18. Gant de protection selon la revendication 17, caractérisé en ce que le stratifié de membranes ou le composite de membranes comporte une couche d'âme à base d'un polymère à base de cellulose et deux couches extérieures reliées à la couche d'âme, en particulier à base d'un polyuréthane, d'un polyétheramide et/ou d'un polyesteramide, la couche d'âme pouvant être réalisée à base d'un polymère à base de cellulose sous la forme d'une membrane d'une épaisseur de 1 à 100 µm, en particulier de 5 à 50 µm et de préférence 10 à 20 µm, et/ou en particulier les deux couches extérieures reliées à la couche d'âme pouvant être chacune configurée sous la forme d'une membrane d'une épaisseur de 1 à 100 µm, en particulier de 5 à 50 µm et de préférence de 5 à 10 µm.
  19. Gant de protection selon la revendication 17, caractérisé en ce que le stratifié de membranes ou le composite de membranes comporte une couche d'âme à base d'un polymère à base de polyuréthane et deux couches extérieures reliées à la couche d'âme et à base d'un polyuréthane.
  20. Gant de protection selon l'une ou plusieurs des revendications précédentes, caractérisé en ce que la membrane (6) est constituée de deux pièces de matériau reliées l'une à l'autre, de préférence reliées l'une à l'autre de manière étanche et en particulier collées et/ou soudées l'un à l'autre, les deux pièces de matériau présentant en particulier chacune la forme d'une main à cinq doigts, l'une des deux pièces de matériau étant destinée à recouvrir le côté avant de la main (côté intérieur de la main) et l'autre pièce de matériau à couvrir le côté arrière de la main (dos de la main), les deux pièces de matériau n'étant reliées l'une à l'autre que le long de leur contour extérieur et en particulier le long du périmètre de la main, de préférence de manière étanche, et étant en particulier collées et/ou soudées l'une à l'autre.
  21. Gant de protection selon l'une ou plusieurs des revendications précédentes, caractérisé en ce que la membrane (6) est autocollante, en particulier adhésive à chaud, et/ou en ce que la membrane (6) sert en même temps de couche d'adhésif (7) destiné à fixer la couche d'adsorption (5).
  22. Gant de protection selon l'une ou plusieurs des revendications précédentes, caractérisé en ce que la couche d'adsorption (5) est discontinue, et/ou en ce que la couche d'adsorption (5) contient des particules adsorbantes séparées qui adsorbent les poisons chimiques, en particulier à base de charbon actif, et/ou en ce que le matériau d'adsorption de la couche d'adsorption (5) est un matériau d'adsorption contenant du charbon actif ou constitué de ce dernier, et/ou en ce que le matériau d'adsorption de la couche d'adsorption (5) est un matériau à base de charbon actif qui présente en particulier la forme de particules de charbon actif et/ou de fibres de charbon actif.
  23. Gant de protection selon l'une ou plusieurs des revendications précédentes, caractérisé en ce que la couche d'adsorption (5) contient des particules séparées de charbon actif, de préférence sous la forme de grains ("grains de charbon") ou de sphère ("sphères de charbon"), le diamètre moyen des particules de charbon actif étant en particulier < 1,0 mm, mieux < 0,5 mm, de préférence < 0,4 mm, de manière préférable < 0,35 mm et de façon particulièrement préférable < 0,3 mm, et/ou le diamètre moyen des particules de charbon actif étant d'au moins 0,1 mm, et/ou les particules de charbon actif étant appliquées en particulier en quantité de 5 à 500 g/m2, en particulier de 10 à 400 g/m2, de préférence de 20 à 300 g/m2, mieux de 25 à 250 g/m2, de façon particulièrement préférable de 50 à 150 g/m2 et de façon tout particulièrement préférable de 50 à 120 g/m2 sur la membrane (6), et/ou les particules de charbon actif présentant en particulier une surface intérieure (BET) d'au moins 800 m2/g, en particulier d'au moins 900 m2/g, de préférence d'au moins 1 000 m2/g et mieux dans la plage de 800 à 1 500 m2/g, et/ou les particules de charbon actif présentant en particulier une pression d'éclatement de chacune des particules de charbon actif et en particulier des grains ou des sphères de charbon actif d'au moins 5 Newton, en particulier d'au moins 10 Newton et/ou de jusque 20 Newton.
  24. Gant de protection selon l'une ou plusieurs des revendications précédentes, caractérisé en ce que la couche d'adsorption (5) contient des fibres de charbon actif qui présentent en particulier la forme d'un produit plat en charbon actif, le produit plat en charbon actif présentant en particulier un poids par unité de surface de 20 à 200 g/m2, en particulier de 30 à 150 g/m2 et de préférence de 50 à 120 g/m2, et/ou le produit plat en charbon actif étant en particulier un tissu, un tricot, une couche ou un matériau composite de charbon actif, en particulier à base de cellulose carbonisée et activée et/ou d'un acrylonitrile carbonisé et activé.
  25. Gant de protection selon l'une ou plusieurs des revendications précédentes, caractérisé en ce que la couche d'adsorption (5) est en outre imprégnée d'au moins un catalyseur, le catalyseur utilisé étant constitué d'enzymes et/ou d'ions métalliques, de préférence d'ions de cuivre, d'argent, de cadmium, de platine, de palladium, de zinc et/ou de mercure, et/ou la quantité du catalyseur étant de 0,05 à 12 % en poids, de préférence de 1 à 10 % en poids et de façon particulièrement préférable de 2 à 8 % en poids par rapport au poids de la couche d'adsorption (5).
  26. Gant de protection selon l'une ou plusieurs des revendications précédentes, caractérisé en ce qu'au moins 50 %, en particulier au moins 60 % et de préférence au moins 70 % de la couche d'adsorption (5) sont librement accessibles aux poisons et armes chimiques à adsorber.
  27. Gant de protection selon l'une ou plusieurs des revendications précédentes, caractérisé en ce que le gant de protection (1) et/ou la membrane (6) présentent vis-à-vis d'armes chimiques, en particulier le bis[2-chloroéthyl]sulfure (gaz moutarde, Lost, croix jaune), un effet de barrière mesuré selon CRDEC-SP-84010, méthode 2.2, d'au plus 4 µg/cm2 par 24 h, en particulier d'au plus 3,5 µg/cm2 par 24 h, de préférence d'au plus 3,0 µg/cm2 par 24 h et de façon particulièrement préférable d'au plus 25 µg/cm2 par 24 h pour une membrane (6) d'une épaisseur de 50 µm.
  28. Gant de protection (1) à respiration active selon l'une ou plusieurs des revendications précédentes, qui présente une fonction de protection vis-à-vis de poisons chimiques et en particulier d'armes chimiques, selon une ou plusieurs des revendications précédentes, doté d'une structure stratifiée (2) en plusieurs couches, présentant une couche de support (3) en particulier plate et une couche de blocage (4) associée à la couche de support (3), tournée vers la main lorsque le gant est porté et empêchant ou au moins ralentissant le passage des poisons chimiques,
    la couche de blocage (4) comprenant:
    - une couche d'adsorption (5) à base d'un agent d'adsorption qui adsorbe les poisons chimiques, en particulier à base de charbon actif et
    - une membrane (6) disposée entre la couche de support (3) et la couche d'adsorption (5), au moins essentiellement imperméable à l'eau et à l'air mais perméable à la vapeur d'eau, ralentissant la traversée par les poisons chimiques ou étant au moins essentiellement imperméable aux poisons chimiques,
    la membrane (6) étant recouverte par la couche d'adsorption (5) sur son côté non tourné vers la couche de support (3) et tourné vers la main lorsque le gant est porté,
    caractérisé en ce que
    une couche supplémentaire de support (8), plate, qui sert à stabiliser et/ou soutenir la membrane (6), est disposée entre la membrane (6) et la couche de support (3),
    le poids par unité de surface de la couche supplémentaire de support (8) étant inférieur à celui de la couche de support (3) et
    la membrane (6) étant stratifiée ou collée sur la couche supplémentaire de support (8) au moyen d'un adhésif appliqué ponctuellement sur son côté non tourné vers la main lorsque le gant est porté et
    en ce que le gant de protection (1) et/ou la membrane (6) présentent un effet de barrière vis-à-vis des armes chimiques, en particulier le bis[2-chloroéthyl]sulfure, d'au plus 4 µg/cm2 par 24 h pour une membrane (6) d'une épaisseur de 50 µm.
  29. Gant de protection (1) à respiration active selon l'une ou plusieurs des revendications précédentes, doté d'une fonction de protection vis-à-vis des poisons chimiques et en particulier les armes chimiques, doté d'une structure stratifiée (2) en plusieurs couches, présentant une couche de support (3) en particulier plate et une couche de blocage (4) associée à la couche de support (3), tournée vers la main lorsque le gant est porté et empêchant ou au moins ralentissant le passage des poisons chimiques,
    la couche de blocage (4) comprenant:
    - une couche d'adsorption (5) à base d'un agent d'adsorption qui adsorbe les poisons chimiques, en particulier à base de charbon actif et
    - une membrane (6) disposée entre la couche de support (3) et la couche d'adsorption (5), au moins essentiellement imperméable à l'eau et à l'air mais perméable à la vapeur d'eau, ralentissant la traversée par les poisons chimiques ou étant au moins essentiellement imperméable aux poisons chimiques,
    la membrane (6) étant recouverte par la couche d'adsorption (5) sur son côté non tourné vers la couche de support (3) et tourné vers la main lorsque le gant est porté,
    caractérisé en ce que
    une couche supplémentaire de support (8), plate, qui sert à stabiliser et/ou soutenir la membrane (6), est disposée entre la membrane (6) et la couche de support (3),
    le poids par unité de surface de la couche supplémentaire de support (8) étant inférieur à celui de la couche de support (3) et
    la membrane (6) étant stratifiée ou collée sur la couche supplémentaire de support (8) au moyen d'un adhésif appliqué ponctuellement sur son côté non tourné vers la main lorsque le gant est porté et
    en ce que le gant de protection (1) présente à 25 °C et pour une membrane (6) d'une épaisseur de 50 µm une perméabilité à la vapeur d'eau d'au moins 10 l/m2 par 24 h.
  30. Gant de protection (1) à respiration active selon l'une ou plusieurs des revendications précédentes, doté d'une fonction de protection vis-à-vis des poisons chimiques et en particulier les armes chimiques, doté d'une structure stratifiée (2) en plusieurs couches, présentant une couche de support (3) en particulier plate et une couche de blocage (4) associée à la couche de support (3), tournée vers la main lorsque le gant est porté et empêchant ou au moins ralentissant le passage des poisons chimiques,
    la couche de blocage (4) comprenant:
    - une couche d'adsorption (5) à base d'un agent d'adsorption qui adsorbe les poisons chimiques, en particulier à base de charbon actif et
    - une membrane (6) disposée entre la couche de support (3) et la couche d'adsorption (5), au moins essentiellement imperméable à l'eau et à l'air mais perméable à la vapeur d'eau, ralentissant la traversée par les poisons chimiques ou étant au moins essentiellement imperméable aux poisons chimiques,
    la membrane (6) étant recouverte par la couche d'adsorption (5) sur son côté non tourné vers la couche de support (3) et tourné vers la main lorsque le gant est porté,
    caractérisé en ce que
    une couche supplémentaire de support (8), plate, qui sert à stabiliser et/ou soutenir la membrane (6), est disposée entre la membrane (6) et la couche de support (3),
    le poids par unité de surface de la couche supplémentaire de support (8) étant inférieur à celui de la couche de support (3) et
    la membrane (6) étant stratifiée ou collée sur la couche supplémentaire de support (8) au moyen d'un adhésif appliqué ponctuellement sur son côté non tourné vers la main lorsque le gant est porté et
    en ce que le gant de protection (1) présente dans des conditions stationnaires et à 35 °C une résistance Ret au passage de la vapeur d'eau d'au plus 30 (m2.Pascal)/Watt pour une membrane (6) d'une épaisseur de 50 µm.
EP20040765247 2003-10-14 2004-09-15 Gant de protection respirant a protection nbc Active EP1677636B1 (fr)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE10348470 2003-10-14
DE10354902A DE10354902C5 (de) 2003-10-14 2003-11-24 Atmungsaktiver Schutzhandschuh mit ABC-Schutz
PCT/EP2004/010340 WO2005036999A1 (fr) 2003-10-14 2004-09-15 Gant de protection respirant a protection nbc

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EP1677636A1 EP1677636A1 (fr) 2006-07-12
EP1677636B1 true EP1677636B1 (fr) 2010-04-14

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US20050076418A1 (en) 2005-04-14
JP2007508470A (ja) 2007-04-05
EP1677636A1 (fr) 2006-07-12
US7451497B2 (en) 2008-11-18
WO2005036999A1 (fr) 2005-04-28
JP4538816B2 (ja) 2010-09-08

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