EP1677636A1 - Atmungsaktiver schutzhandschuh mit abc-schutz - Google Patents
Atmungsaktiver schutzhandschuh mit abc-schutzInfo
- Publication number
- EP1677636A1 EP1677636A1 EP04765247A EP04765247A EP1677636A1 EP 1677636 A1 EP1677636 A1 EP 1677636A1 EP 04765247 A EP04765247 A EP 04765247A EP 04765247 A EP04765247 A EP 04765247A EP 1677636 A1 EP1677636 A1 EP 1677636A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- membrane
- layer
- protective glove
- adsorption
- activated carbon
- 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
Links
Classifications
-
- 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 a protective function against chemical poisons, in particular chemical warfare agents, according to the preamble of claim 1, in particular for military use or for ABC use.
- Appropriate protective suits are available to protect the body, particularly the extremities and trunk.
- gas masks ABS protective masks
- hood a hood
- a further object of the present invention is to further develop the glove described in US Pat. No. 6,301,715 B1 and in the two aforementioned parallel patent applications WO 01/82728 AI and DE 201 21 518 Ul.
- the present invention proposes a protective glove, in particular a breathable protective glove (eg military protective glove or NBC protective glove) according to claim 1.
- a protective glove in particular a breathable protective glove (eg military protective glove or NBC protective glove) according to claim 1.
- a breathable protective glove eg military protective glove or NBC protective glove
- the basic idea of the present invention is to provide a breathable protective glove with a multi-layer structure with an in particular flat outer layer on the outside and a barrier layer assigned to the layer that prevents or at least retards the passage of chemical toxins, which comprises an adsorption layer based on a chemical adsorbing adsorbent material (e.g. based on activated carbon), thereby with an increased or improved protective function against chemical poisons, in particular chemical warfare agents, to equip the barrier layer in addition to the adsorption layer with an at least substantially water and air impermeable, but water vapor permeable, retarding the passage of chemical poisons or at least substantially impermeable to chemical poisons, which membrane is arranged between the carrier layer and the adsorption layer.
- a barrier layer assigned to the layer that prevents or at least retards the passage of chemical toxins, which comprises an adsorption layer based on a chemical adsorbing adsorbent material (e.g. based on activated carbon), thereby with an increased
- the aforementioned membrane which is arranged between the support layer and the adsorption layer, has the effect that chemical poisons, such as, for example, penetrated through the outside support layer.
- chemical poisons such as, for example, penetrated through the outside support layer.
- B. chemical warfare agents do not reach the adsorption layer or at least for the most part do not even reach it, so that the adsorption capacity of the adsorption layer remains virtually inexhaustible.
- 1 shows a schematic illustration of a breathable protective glove according to a preferred exemplary embodiment of the invention
- 2A shows a schematic sectional illustration through the layer structure of a breathable protective glove according to a preferred exemplary embodiment of the invention in accordance with an embodiment in which the adsorption layer is attached to the membrane by means of discontinuous adhesive application
- 2B is a schematic sectional view through the layer structure of a breathable protective glove according to a preferred embodiment of the invention according to an alternative embodiment, in which the adsorption layer is attached to the membrane by means of continuous adhesive application.
- the protective glove 1 shows a breathable protective glove 1 according to the invention with a protective function against chemical poisons, in particular against chemical warfare agents.
- the protective glove 1 according to the invention has a multilayered layer structure 2 with an in particular flat, outside carrier layer 3 and an inside layer (ie facing the hand when the hand is in the wearer position), which prevents or at least retards the passage of chemical poisons, which has a Adsorption layer 5 based on a chemical adsorbing adsorbent material, in particular based on activated carbon.
- the barrier layer 4 has an at least substantially water and air impermeable, but water vapor permeable (ie breathable) membrane which delays the passage of chemical poisons or is at least substantially impermeable to chemical poisons, which membrane 6 is located between the carrier layer 3 and the adsorption layer 5 is arranged.
- the barrier layer 4 thus comprises both an adsorption layer 5 and a membrane 6 with the aforementioned properties.
- the combination of adsorption layer 5 on the one hand and membrane 6 on the other hand, in accordance with the layer structure 2 according to the invention, ensures efficient protection against chemical poisons, in particular chemical warfare agents, while at the same time being very comfortable to wear, in particular breathability.
- the arrangement according to the invention of the membrane 6 between the carrier layer 3 and the adsorption layer 5 ensures that poisons which have penetrated through the outer carrier layer 3 of the protective glove 1 are already retained by the membrane 6 and consequently not reach the adsorption layer 5 at all or at most in extremely small quantities; In this way, on the one hand, the adsorption capacity of the adsorption layer is almost never exhausted, and on the other hand, the presence of the membrane 6 provides additional protection for the wearer of the protective glove 1, so that a protective glove 1 with a double protective function against chemical poisons results (namely on the one hand by the blocking effect of Membrane 6 and on the other hand by the adsorption effect of the adsorption layer 5).
- the presence of the special membrane 6 also ensures that the protective glove 1 can be decontaminated and regenerated; because poisons which may have penetrated through the outer layer 3 can be removed again from the membrane 6 by appropriate treatment methods (for example by flushing them down), for example using 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 connected directly or indirectly to the carrier layer 3 on its side facing away from the hand when it is worn.
- the side of the membrane 6 facing the hand or facing away from the carrier layer 3 (that is to say the inside) is acted upon by the adsorption layer 5; in general, the adsorption layer 5 is attached to the membrane 6 by means of adhesive 7.
- the adhesive application 7 can in principle be carried out discontinuously (FIG. 2A) or continuously or over the entire surface (FIG. 2B).
- the additional carrier layer 8 serves in particular to stabilize and / or support the membrane 6, both when processing the membrane 6, in particular when applied with adhesive 7 and the Adso ⁇ - tion layer 5, as well as in use or when wearing the protective glove 1.
- the membrane 6 can be laminated or laminated onto the additional carrier layer, in particular by means of an adhesive (not shown in the drawings), which is advantageously applied in a punctiform manner, because this prevents excessive rigidity of the membrane 6 and in this way the Comfort is increased.
- the additional carrier layer 8 which is arranged between the membrane 6 and the outer carrier layer 3, can then be connected to the carrier layer 3, usually by means of an adhesive which is preferably applied discontinuously, in particular in a punctiform manner.
- Suitable materials for the additional carrier layer 8 are, for example, textile materials, in particular textile fabrics, such as. B. fabrics, knitted fabrics, knitted fabrics, scrims or textile composites (z. B. nonwovens), which are preferably air-permeable.
- the additional carrier layer 8 advantageously has a lower basis weight than the carrier layer 3.
- the basis weight of the additional carrier layer 8 is less than 60 g / m 2 , in particular less than 50 g / m, preferably less than 40 g / m; this contributes to increased wearing comfort, because in this way the flexibility of the layer structure 2 as a whole is essentially not impaired and good wearing comfort is achieved.
- the membrane 6 has an adsorption layer 5 applied to it on the inside (ie on the side facing the hand in the wearing state).
- the adsorption layer 5, in turn, can be provided with a cover layer 9 on its side facing the hand in the wearing state, that is to say, the membrane 6, which is advantageously attached to the adsorption layer 5;
- adhesives are suitable, which are preferably applied discontinuously, in particular in a punctiform manner, to the cover layer 9 for this purpose, or so-called hot-melt adhesive fabrics (“hot-melt adhesive webs”), which lie between the cover layer 9 and the adsorption layer 5 to be ordered.
- Air-permeable textile materials in particular textile fabrics, such as woven fabrics, knitted fabrics, knitted fabrics, scrims or textile composites (e.g. nonwovens, especially polyamide / polyester fleece or PA / PES fleece).
- the cover material 9 is advantageously designed to be abrasion-resistant or consists of an abrasion-resistant textile material.
- the covering material 9 advantageously has a weight per unit area of 5 to 150 g / m, in particular 10 to 125 g / m, preferably 40 to 100 g / m.
- the presence of the covering material or the covering layer 9 has the particular advantage that direct contact of the skin or the hand with the adsorption layer 5 is avoided when the protective glove 1 is worn; this causes on the one hand that the Adso ⁇ tions für 5 is not contaminated by skin perspiration, and on the other hand a higher wearing comfort is achieved because the cover layer 9 takes on the function of a textile inner glove within the scope of the layer structure 2 according to the invention, which causes a comfortable fit. On the other hand, the cover layer 9 prevents excessive mechanical stress on the adsorption material of the adsorption layer.
- the membrane 6 can be connected to the outside (i.e. on the side facing away from the hand when it is worn), depending on the configuration of the layer structure 2 according to the invention, either with the backing layer 3 or with the additional backing layer 8, for example glued.
- the adhesive is only discontinuous, in particular punctiform, in particular in the form of a punctiform grid or pattern, the adhesive only at most 30%, in particular only at most 25%, preferably only at most 20%, particularly preferably only at most 10% of those in the wearing state of the Side of the membrane 6 facing away from the hand.
- the adsorption layer 5 is applied to the membrane 6, in particular by means of an adhesive 7;
- the application of the adhesive 7, as previously described, advantageously takes place discontinuously, in particular only in a punctiform manner, usually in the form of a punctiform grid, with at least 50%, in particular at least 60%, preferably at least 70%, particularly preferably at least, in order to achieve a high adsorption performance 75%, very particularly preferably at least 80%, of the side of the membrane 6 which faces the hand when it is in the wearing state, that is to say which faces away from the carrier layer 3, is covered or acted upon by the adsorption material of the adsorption layer 5 can be; the adhesive application 7 is accordingly to be provided over these surface areas of the membrane 6.
- the side of the membrane 6 which is turned towards the hand, that is to say away from the carrier layer 3, can be completely, ie closed, when the hand is in the worn state 100%, be covered or acted upon with the adsorption material of the adsorption layer 5; the activated carbon fiber structure can, for example, be fixed to the membrane 6 by only punctiform adhesive application.
- the individual layers 3, 4, 5, 6, 8 and 9 of the layer structure 2 are each connected to one another; this is done using methods known per se for these purposes (e.g. by gluing, welding, sewing, stapling, etc.).
- the connection or fixing of the individual layers 3, 4, 5, 6, 8 and 9 of the layer structure 2 takes place seamlessly with one another, preferably without damaging the individual layers 3, 4, 5, 6, 8 and 9 (e.g. by gluing, welding, etc.).
- layers 3, 4, 5, 6, 8 and 9 are - at least partially - sewn or the like, it is advisable to seal the seams (e.g. 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 or can extend over the entire hand including the wrist and 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 advantageously designed as a finger glove, ie it has the shape of a hand with five fingers; This not only increases comfort, but also makes it easier to use for military or ABC purposes.
- the fact that the glove 1 according to the invention advantageously extends over the knuckle (ie has a glove shaft) enables a sealing connection with a an ABC protective suit worn at the same time;
- the glove and / or the ABC protective suit can be equipped with appropriate sealing elements (e.g. zippers, Velcro elements, sealing lips, etc.) in order to seal or seal the transition from protective glove 1 and ABC protective suit to one another connect.
- the individual layers 3, 4, 8 and 9 each form the shape of a glove with five fingers: the cover layer 9 forms an inner glove, so to speak, while the carrier layer 3 forms an outer glove, so to speak.
- the barrier layer 4 with the inside adsorption layer 5 and outside membrane 6 forms together with the additional carrier layer 8 a core glove located between the inner glove and the outer glove, all three glove parts - outer, inner and core glove - being connected to one another and together the protective glove according to the invention 1 form.
- any, in particular breathable, materials can be used here, such as are generally used for gloves.
- textile materials preferably air-permeable textile materials, in particular in the form of textile fabrics, such as. B. fabrics, knitted fabrics, knitted fabrics, scrims or textile composites.
- the textile composite can be a nonwoven.
- the carrier layer 3 can also be formed as a leather material. It is advantageous to seamlessly form the outer glove or the backing layer 3 in the area of the fingertips.
- the material of the backing layer 3 or of the outer glove generally has a weight per unit area of 50 to 300 g / m 2 , in particular 75 to 250 g / m, preferably 75 to 175 g / m.
- the backing layer 3 is designed as an air-permeable, 75 to 250 g / m 2 , preferably 75 to 175 g / m 2 heavy textile fabric which can be made oleophobic and / or hydrophobic.
- the membrane 6 As far as the membrane 6 is concerned, this is generally a continuous, in particular closed or at most microporous membrane.
- the thickness of the membrane 6 is generally 1 to 500 ⁇ m, in particular 1 to 250 ⁇ m, preferably 1 to 100 ⁇ m, preferably 1 to 50 ⁇ m, particularly preferably from 2.5 to 30 ⁇ m, very particularly preferably 5 to 25 ⁇ m.
- the membrane 6 has a high water vapor permeability of at least 12.5 1 / m per 24 h, in particular at least 17.5 1 / m 2 per 24, at 25 ° C.
- the water vapor permeability of the protective glove 1 is slightly lower than that of the membrane 6 alone; the water vapor permeability of the protective glove 1 overall is nevertheless very high and is at least 10 1 / m 2 per 24 h, in particular at least 15 1 / m 2 per 24 h, preferably at least 20 1 / m 2 per 24 h, with a thickness of the membrane 6 of 50 ⁇ m (at 25 ° C).
- the membrane 6 should have a low water vapor resistance R et under stationary conditions - measured according to DIN EN 31 092: 1993 from February 1994 ("Textiles - Physiological effects, measurement of the heat and water vapor resistance under stationary conditions [sweating guarded-hotplate test] ”) or according to the same international standard ISO 11 092 - at 35 ° C of at most 30 (m • Pascal) / watt, in particular at most 25 (m • Pascal) / watt, preferably at most 20 (m 2 • Pascal) / watt, with one Have thickness of the membrane 6 of 50 microns.
- the water vapor resistance R et of the protective glove 1 as a whole is slightly higher compared to the membrane 6 alone;
- the water vapor resistance R et of the glove 1 is a total of at most 30 (m • Pascal) / watt, in particular at most 25 (m • Pascal) / watt, preferably at most 20 (m • Pascal) / watt, with a thickness the membrane 6 of 50 microns.
- the membrane 6 should otherwise be only slightly water-absorbent or swellable; a slight water absorption or swelling capacity increases comfort.
- the swellability 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 weight of the membrane 6.
- the membrane 6 should be at least essentially impermeable to liquids, in particular water, and / or aerosols, or at least delay their passage.
- the membrane 6 should have no or essentially no strongly hydrophilic groups, in particular no hydroxyl groups.
- the membrane 6 can have weakly hydrophilic groups, for example polyether groups.
- the membrane 6 can consist of or comprise a plastic or a polymer material. Such a plastic or such a polymer can suitably z. B. be selected from the group of polyurethanes, polyether amides, polyester amides, polytetrafluoroethylene and / or cellulose-based polymers 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 can be a polyurethane-based membrane.
- the membrane 6 can also be an expanded, optionally microporous membrane based on polytetrafluoroethylene.
- the membrane 6 which may be present can be designed 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 can comprise a core layer based on a cellulose-based polymer and two outer layers connected to the core layer, in particular based on a polyurethane, a polyether amide and / or a polyester amide.
- the core layer can be based on a cellulose-based polymer 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 can each be 1 to 100 ⁇ m, in particular 5 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 with different properties, in particular different water vapor permeability and / or barrier effects against chemical poisons, and thus to optimize the properties of the membrane 6.
- cellulose and cellulose derivatives are excellent barrier materials, especially against chemical pollutants or toxins, such as. B.
- the core layer is formed on the basis of a cellulose-based polymer, while the two outer layers of the membrane 6 are formed by polyurethane layers.
- the membrane 6 can be increased in particular in order to increase the stability or wear resistance, in particular the tensile strength, of the membrane 6 in the manufacturing process (for example when printing the membrane 6 with hot adhesive 7) as well as when wearing it on an additional Carrier layer 8 applied or laminated.
- the stability or wear resistance in particular the tensile strength, of the membrane 6 in the manufacturing process (for example when printing the membrane 6 with hot adhesive 7) as well as when wearing it on an additional Carrier layer 8 applied or laminated.
- the membrane 6 has a certain elasticity.
- the membrane 6 can be stretched or stretched at least 10%, in particular at least 20%, preferably at least 30% or more, in at least one direction (based on the membrane 6).
- the layer structure 2 as a whole should also have a certain elasticity for the aforementioned purposes, in addition to good flexibility; compared to the membrane 6, however, the elasticity of the layer structure 2 as a whole is somewhat lower, and in general the layer structure 2 is at least 5%, preferably at least 10%, very particularly preferably at least 15% or more, at least in total stretchable or stretchable in one direction.
- the membrane 6 can simultaneously represent the adhesive layer 7 for fastening the adsorption layer 5.
- the membrane 6 must be self-adhesive, in particular heat-adhesive. According to this particular embodiment, there is a saving in weight since an additional adhesive layer 7 can be dispensed with entirely.
- the membrane 6 of the protective glove 1 consists of two pieces of material which are connected to one another, preferably sealingly connected to one another, in particular glued and / or welded to one another. 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 (inside of the hand) and the other piece of material for covering the back of the hand (back of the hand) and the two pieces of material only along their respective outer ends Contours, in particular along the outline of the hand, are connected to one another, preferably connected to one another in a sealing manner, in particular glued and / or welded to one another.
- the adsorption layer 5 of the protective glove 1 is generally discontinuous, ie the adsorption layer 5 generally comprises discrete adsorption particles (e.g. based on activated carbon) which adsorb chemical poisons, for example by means of an adhesive 7 on the Membrane 6 can be fixed.
- the adsorption material of the adsorption layer 5 is in particular an adsorption 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 the adsorption material for the formation of the adsorption layer 5, the already existing high level of wearing comfort can be increased even further, because the activated carbon serves as an intermediate moisture or water reservoir (e.g. for sweat) and moisture or Can "buffer" water, so to speak.
- activated carbon beads as Adso ⁇ tionsmaterial for the Adso ⁇ tions Mrs 5 conditions of up to about 250 g / m 2 or more are common, so that, for. B. in the event of a sweat, about 40 g / m 2 of moisture can be stored, which in the case of a breathable carrier or outer layer 3 can then be released to the environment again.
- the adsorption layer 5 comprises discrete activated carbon particles, preferably in the form of granules ("granular carbon") or ("spherical carbon").
- 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 present 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 Membrane 6 applied.
- Suitable activated carbon particles have inner surfaces (BET) of at least 800 m 2 / g, in particular of at least 900 m 2 / g, preferably of at least 1,000 m 2 / g, preferably in the range from 800 to 1,500 m 2 / g.
- Granular coal, especially spherical coal has the decisive advantage that it is extremely abrasion-resistant and very hard, which in relation on the wear properties is of great importance.
- the bursting pressure for a single activated carbon particle, in particular activated carbon granules or spheres is generally at least about 5 newtons, in particular at least about 10 newtons, and can reach up to about 20 newtons.
- the adsorption layer 5 can comprise activated carbon fibers, in particular in the form of activated carbon fiber surfaces, as the adsorption material.
- activated carbon fiber fabrics can have, for example, a basis weight 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 fabrics can be, for example, activated carbon fiber fabrics, knitted fabrics, scrims or composite materials (eg based on carbonized and activated cellulose and / or carbonized and activated acrylonitriles).
- activated carbon particles and activated carbon fibers with one another as the adsorption material of the adsorption layer.
- Activated carbon particles have the advantage of a higher adsorption capacity, while activated carbon fibers have better adsorption kinetics.
- 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 within wide limits; in general it is 0.05 to 12% by weight, preferably 1 to 10% by weight, particularly preferably 2 to 8% by weight, based on the weight of the adsorption layer 5.
- At least 50%, in particular at least 60%, preferably at least 70%, of the adsorption layer 5 or the adsorption material of the adsorption layer 5 are freely accessible for the poisons or warfare agents to be adsorbed, ie not with adhesive 7 are covered. This happens because the crowd and the 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 or sunk into the adhesive 7.
- a typical protective glove 1 according to the present invention can consist, for example, of the following layers:
- the carrier layer 3 (“outer glove”) can consist, for example, of a robust and possibly flame-retardant type of fiber, preferably in a seamless circular knitted form.
- the cover layer 9 (“inner glove”) can consist of materials that are comfortable to wear on the skin (Co, Rayon, PA, PES, m-aramid), optionally in a flame-resistant version, preferably in a seamless, circular-knitted version.
- the barrier layer 4, which is arranged between the inner glove and the outer glove, can contain activated carbon balls and / or fibers in addition to the membrane 6 to form the adsorption layer 5 for the purposes of the adsorption of the pollutants.
- the protective glove 1 according to the invention offers efficient protection against chemical poisons, in particular chemical warfare agents, while at the same time being extremely comfortable, in particular having good breathability.
- the decisive advantage of the protective glove 1 according to the present invention is that the protective function against chemical poisons is integrated into the protective glove 1 itself and that no additional equipment is required. This not only saves considerable weight and increases comfort, it also opens up the possibility of an efficient sealing connection of the transition to an ABC protective suit, so that chemical poisons, e.g. B. warfare agents, the transition from protective gloves / protective suit can not or not easily pass.
- the protective glove 1 according to the invention is particularly suitable for military or ABC use (for example in the form of a military protective glove or ABC protective glove).
- breathable outer glove materials e.g. B. leather or textiles, so that the wearing comfort can be increased in this way without the wearer of the protective glove 1 being exposed to an increased risk from the use of a breathable outer glove material.
- the inventive design of the protective glove 1 according to the present invention achieves an excellent barrier effect against chemical warfare agents.
- the barrier effect of the protective glove 1 or the membrane 6 against chemical warfare agents in particular bis- [2-chloroethyl] sulfide (also known synonymously as mustard gas, mustard or yellow cross), measured according to CRDEC-SP-84010, method 2.2, is at most 4 ⁇ g / cm per 24 h, in particular at most 3.5 ⁇ g / cm per 24 h, preferably at most 3.0 ⁇ g / cm 2 per 24 h, particularly preferably at most 2.5 ⁇ g / cm per 24 h, with a thickness of Membrane 6 of 50 microns.
- the protective glove 1 according to the invention can be produced in a manner known per se. This is well known to those skilled in the manufacture of gloves.
- the manufacture of a glove according to the invention can be carried out as follows: an approximately 50 to 100 ⁇ m thick membrane 6 is laminated or laminated onto a carrier layer 8, which serves to reinforce and stabilize the membrane, by means of a punctiform adhesive. Subsequently, the membrane 6, which can be a polyurethane membrane, for example, is printed on the side facing away from the carrier layer 8 with a water vapor-permeable adhesive 7 in the form of a dot-shaped grid, on which the activated carbon beads 7 then form while the adhesive is still adhesive Adso ⁇ tionstik 5 are applied. Then the adhesive 7 is optionally dried and / or cured.
- a barrier layer 4 results in the form of a membrane glove loaded with activated carbon.
- the inside of the adsorption layer 5 is covered with a covering material 9 in the form of an inner glove, for example by gluing with a hot-melt adhesive web; This can be done, for example, by putting the inner glove over a metal mandrel in the shape of a hand with five fingers, then z. B. is applied with the hot-melt adhesive web and then the membrane glove previously made is put on.
- the base layer 8 is then connected on the outside to a backing layer 3 in the form of an outer glove (e.g. by means of the technique described above), so that ultimately a protective glove 1 according to the invention with a covering layer 9 as inner glove, an outer backing layer 3 as outer glove and one between the inner and outer gloves arranged barrier layer 4 of adsorption layer 5 and membrane 6, which together with the additional stabilizing layer 8 for membrane 6 forms a core or middle glove, so to speak, the individual layers 3, 4 and 9 being connected to one another are.
- a three-layer protective glove 1 can be composed as follows: 1.
- the backing layer 3 (“outer glove”) can consist, for example, of a robust and possibly flame-retardant type of fiber, preferably in a seamless circular knitted form.
- the cover layer 9 (“inner glove”) can consist of materials that are comfortable to wear on the skin (Co, Rayon, PA, PES, m-aramid), optionally in a flame-resistant version, preferably in a seamless, circular knitted version. 3.
- the barrier layer 4 (“functional layer”), which is arranged between the inner and outer gloves, can contain activated carbon balls and / or fibers in addition to the membrane 6 to form the adsorption layer 5 for the purpose of adsorbing the pollutants, and in different alternative configurations, as described below: a) Activated activated carbon spheres are applied to a breathable membrane layer 6 (e.g. made of PU, PES, PA, PTFE, cellulose, etc.). The layer can be produced and the beads applied by dipping or by customary coating and coating processes. If a coated film is produced as an intermediate step, it is brought into a two-dimensional or three-dimensional hand shape by suitable methods (e.g. gluing, sewing, welding, etc.).
- suitable methods e.g. gluing, sewing, welding, etc.
- the functional layer can be reinforced in the coating or also on the side opposite the activated carbon beads by means of a mesh or knitted fabric made of thermoplastic fibers.
- the functional layer consists of a glove-shaped knitted fabric made of activated carbon fibers, produced by carbonizing a corresponding glove made of rayon or polyacrylonitrile fibers and subsequent activation or knitted from the activated carbon fibers produced in the corresponding way.
- activated carbon flock fibers can also be applied to the breathable membrane layer according to a) by conventional flocking techniques.
- the carbon balls and / or fibers are applied to a seamless or sewn inner glove according to 2.).
- a seamless or welded membrane glove (e.g. loose or adhesive) can be placed over the functional layers according to b) or d) as a liquid barrier.
- the individual layers mentioned above are - according to the structure - put together and z. B. connected by a seam.
- the layers can also be fixed on the upper sides of the fingers and on the back of the hand by means of adhesives (such as, for example, by hot melt adhesive, for example with thermal activation of the adhesive), double-sided adhesive tape strips or Velcro fasteners or the like.
Abstract
Description
Claims
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 (de) | 2003-10-14 | 2004-09-15 | Atmungsaktiver schutzhandschuh mit abc-schutz |
Publications (2)
Publication Number | Publication Date |
---|---|
EP1677636A1 true EP1677636A1 (de) | 2006-07-12 |
EP1677636B1 EP1677636B1 (de) | 2010-04-14 |
Family
ID=34424334
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP20040765247 Active EP1677636B1 (de) | 2003-10-14 | 2004-09-15 | Atmungsaktiver schutzhandschuh mit abc-schutz |
Country Status (4)
Country | Link |
---|---|
US (1) | US7451497B2 (de) |
EP (1) | EP1677636B1 (de) |
JP (1) | JP4538816B2 (de) |
WO (1) | WO2005036999A1 (de) |
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DE10357112A1 (de) * | 2003-12-06 | 2005-07-07 | Texplorer Gmbh | Unterbeinschutzbekleidung |
DE102005020076A1 (de) * | 2005-04-29 | 2006-11-09 | W.L. Gore & Associates Gmbh | Bekleidungsstück |
DE102005050730A1 (de) * | 2005-07-01 | 2007-01-04 | BLüCHER GMBH | Handschuh mit verbesserter ABC-Schutzfunktion |
GB2431375B (en) | 2005-10-24 | 2011-03-23 | Hunt Tech Ltd | Chemical barrier fabric |
US20070134486A1 (en) * | 2005-12-14 | 2007-06-14 | Bha Technologies, Inc. | Glove having chemical and biological particulate barrier properties |
EP2520611B1 (de) * | 2006-05-09 | 2017-06-21 | Cocona, Inc. | Verfahren zur Herstellung einer wasserbeständigen atmungsfähigen Membran |
JP2008190085A (ja) * | 2007-02-06 | 2008-08-21 | Toyobo Co Ltd | 防護材料及び防護衣服 |
JP2008214768A (ja) * | 2007-02-08 | 2008-09-18 | Toyobo Co Ltd | 防護手袋 |
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DE102007026340A1 (de) * | 2007-04-27 | 2008-11-06 | BLüCHER GMBH | Adsorptionsfiltermaterial, insbesondere für die Herstellung von ABC-Schutzbekleidung mit verbesserter Tragephysiologie |
CA2706308C (en) * | 2007-11-27 | 2017-07-04 | Seirus Innovative Accessories, Inc. | Water resistant handwear |
US8209774B2 (en) * | 2008-01-22 | 2012-07-03 | Li & Fung (B.V.I.) Ltd. | Coated glove with multiple material layers |
DE102009016494A1 (de) * | 2008-04-10 | 2009-10-29 | BLüCHER GMBH | Funktionelle Schutzbekleidungseinheit |
DE102008044982B4 (de) | 2008-08-29 | 2012-12-06 | W. L. Gore & Associates Gmbh | Lagenstruktur mit einer Barrierelage, Bekleidungsstück mit einer solchen Lagenstruktur sowie Verfahren zur Herstellung einer solchen Lagenstruktur |
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US9677842B2 (en) * | 2010-10-01 | 2017-06-13 | Shooting Edge Technology, LLC | Protective glove for archery shooting |
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CN102370275B (zh) * | 2011-08-05 | 2014-11-26 | 中国人民解放军军事医学科学院毒物药物研究所 | 一种防化消毒手套 |
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JP6178783B2 (ja) * | 2012-03-01 | 2017-08-09 | ショーワグローブ株式会社 | 手袋製造方法、コーティング手袋製造方法、手袋及びコーティング手袋 |
USD737524S1 (en) * | 2013-05-10 | 2015-08-25 | Inteplast Group, Ltd. | Disposable plastic narrow-neck glove |
CN203986253U (zh) * | 2013-06-24 | 2014-12-10 | 金星贸易(香港)有限公司 | 手套 |
US9339068B2 (en) * | 2013-12-05 | 2016-05-17 | Lf Fashion Pte. Ltd. | Glove with laminate construction |
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US20160029721A1 (en) * | 2014-08-04 | 2016-02-04 | Group Industry, Llc | Concealed impact glove |
US10780381B2 (en) | 2015-03-23 | 2020-09-22 | Donaldson Company, Inc. | Pattern coated filter and method |
CN108135302A (zh) | 2015-08-19 | 2018-06-08 | W.L.戈尔及同仁股份有限公司 | 顺应性无缝三维制品及用于该制品的方法 |
US11666107B2 (en) | 2019-05-16 | 2023-06-06 | O&M Halyard, Inc. | Apparatus, systems, and methods for sealing an interface |
US20210392977A1 (en) * | 2020-06-19 | 2021-12-23 | Charles Stigger | Safety Mitt |
KR102346742B1 (ko) * | 2020-08-06 | 2022-01-03 | 무 연 김 | 다기능 장갑 |
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-
2004
- 2004-04-28 US US10/835,123 patent/US7451497B2/en not_active Expired - Fee Related
- 2004-09-15 EP EP20040765247 patent/EP1677636B1/de active Active
- 2004-09-15 JP JP2006534620A patent/JP4538816B2/ja not_active Expired - Fee Related
- 2004-09-15 WO PCT/EP2004/010340 patent/WO2005036999A1/de active Application Filing
Non-Patent Citations (1)
Title |
---|
See references of WO2005036999A1 * |
Also Published As
Publication number | Publication date |
---|---|
EP1677636B1 (de) | 2010-04-14 |
JP2007508470A (ja) | 2007-04-05 |
US20050076418A1 (en) | 2005-04-14 |
WO2005036999A1 (de) | 2005-04-28 |
JP4538816B2 (ja) | 2010-09-08 |
US7451497B2 (en) | 2008-11-18 |
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