EP3543388B1 - Heat-resistant clothing and use of an alternating double-layer fabric - Google Patents

Heat-resistant clothing and use of an alternating double-layer fabric Download PDF

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Publication number
EP3543388B1
EP3543388B1 EP19160483.4A EP19160483A EP3543388B1 EP 3543388 B1 EP3543388 B1 EP 3543388B1 EP 19160483 A EP19160483 A EP 19160483A EP 3543388 B1 EP3543388 B1 EP 3543388B1
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Prior art keywords
heat
fabric
resistant clothing
clothing
resistant
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German (de)
French (fr)
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EP3543388A1 (en
Inventor
Britta Smeulders
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Ibena Textilwerke GmbH
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Ibena Textilwerke GmbH
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    • A—HUMAN NECESSITIES
    • A41—WEARING APPAREL
    • A41D—OUTERWEAR; PROTECTIVE GARMENTS; ACCESSORIES
    • A41D31/00—Materials specially adapted for outerwear
    • A41D31/04—Materials specially adapted for outerwear characterised by special function or use
    • A41D31/08—Heat resistant; Fire retardant
    • A41D31/085—Heat resistant; Fire retardant using layered materials
    • D—TEXTILES; PAPER
    • D03—WEAVING
    • D03D—WOVEN FABRICS; METHODS OF WEAVING; LOOMS
    • D03D1/00—Woven fabrics designed to make specified articles
    • D03D1/0035—Protective fabrics
    • D—TEXTILES; PAPER
    • D03—WEAVING
    • D03D—WOVEN FABRICS; METHODS OF WEAVING; LOOMS
    • D03D11/00—Double or multi-ply fabrics not otherwise provided for
    • D03D11/02—Fabrics formed with pockets, tubes, loops, folds, tucks or flaps
    • D—TEXTILES; PAPER
    • D03—WEAVING
    • D03D—WOVEN FABRICS; METHODS OF WEAVING; LOOMS
    • D03D15/00—Woven fabrics characterised by the material, structure or properties of the fibres, filaments, yarns, threads or other warp or weft elements used
    • D03D15/50—Woven fabrics characterised by the material, structure or properties of the fibres, filaments, yarns, threads or other warp or weft elements used characterised by the properties of the yarns or threads
    • D03D15/513—Woven fabrics characterised by the material, structure or properties of the fibres, filaments, yarns, threads or other warp or weft elements used characterised by the properties of the yarns or threads heat-resistant or fireproof
    • D—TEXTILES; PAPER
    • D03—WEAVING
    • D03D—WOVEN FABRICS; METHODS OF WEAVING; LOOMS
    • D03D15/00—Woven fabrics characterised by the material, structure or properties of the fibres, filaments, yarns, threads or other warp or weft elements used
    • D03D15/50—Woven fabrics characterised by the material, structure or properties of the fibres, filaments, yarns, threads or other warp or weft elements used characterised by the properties of the yarns or threads
    • D03D15/54—Woven fabrics characterised by the material, structure or properties of the fibres, filaments, yarns, threads or other warp or weft elements used characterised by the properties of the yarns or threads coloured
    • A—HUMAN NECESSITIES
    • A41—WEARING APPAREL
    • A41D—OUTERWEAR; PROTECTIVE GARMENTS; ACCESSORIES
    • A41D27/00—Details of garments or of their making
    • A41D27/02—Linings
    • D—TEXTILES; PAPER
    • D10—INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
    • D10B—INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
    • D10B2331/00—Fibres made from polymers obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds, e.g. polycondensation products
    • D10B2331/02—Fibres made from polymers obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds, e.g. polycondensation products polyamides
    • D—TEXTILES; PAPER
    • D10—INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
    • D10B—INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
    • D10B2501/00—Wearing apparel
    • D10B2501/04—Outerwear; Protective garments

Definitions

  • the invention relates to heat protection clothing, in particular fire brigade clothing and a new type of use of a change fabric.
  • Fabrics used here are known as prior use objects which have comparatively thick threads integrated into the fabric or grids provided in the context of a double fabric, cf. for example the EP 1 373 617 B1 .
  • fabrics there is the disadvantage that elevations are always provided which are necessary to create the heat-insulating air pockets, but which rub against adjacent fabrics. This increases wear and tear and can lead to the formation of holes. Furthermore, such elevations can be felt and also visible as a result of fabric wear from laundry.
  • the invention is based on the object of creating heat protective clothing that is hard-wearing and at the same time meets the requirements with regard to heat transmission.
  • a fabric change fabric can also be referred to as a "double fabric, as a fabric change or layer change".
  • double fabric By means of a suitable binding, if the warp and weft are at least two-colored, a certain color can be brought to the surface, and fabrics of this type have hitherto been used in particular for this purpose. This can be used to create motifs such as diamonds. This is essentially due to the fact that the double fabric is constructed in such a way that the fabric layers alternate on the outside and inside.
  • the interchangeable fabric is used as an inner lining in order to achieve the effects described.
  • this take place every 2 mm to 10 mm, in particular every 5 mm to 6 mm in the warp and / or weft direction. It is preferably carried out equally in the warp and weft directions, so that a visually appealing diamond is created can adjust. Nevertheless, a diamond of around 5 mm x 6 mm is currently preferred.
  • Nomex In view of the use of heat protection clothing, different types of Nomex are currently preferred, for example E502 and T450. However, any other flame-retardant fibers can be used, and the color effect described can be achieved in particular through a different ratio of amorphous to crystallized fiber components in the yarns used.
  • the heat protective clothing according to the invention is preferably used in such a way that it reaches at least level 1 of the setpoint values in accordance with DIN EN 469: 2005, and preferably level 2 if measurements are made, for example, in accordance with EN 367 and / or EN ISO 6942.
  • the invention can also be seen in the use of a change fabric, in other words a double fabric as a change of goods or shift change, in heat protective clothing, in particular fire brigade clothing, and in particular as inner lining.
  • a change fabric in other words a double fabric as a change of goods or shift change
  • heat protective clothing in particular fire brigade clothing, and in particular as inner lining.
  • Preferred embodiments of the use according to the invention result from the preferred features of the heat protective clothing according to the invention described above and below, and vice versa.
  • these air pockets are essentially pillow-shaped or lens-shaped in cross-section and are formed between the layers of fabric, which are both caused by the change of goods Switch from top to bottom fabric in both warp and weft direction.
  • one fabric forms the upper fabric in the left and right area shown, and the lower fabric in the middle area, while the other fabric on the left and right forms the lower fabric and in the middle forms the upper fabric.
  • the first-mentioned fabric is indicated by 12, the last-mentioned fabric by 14, and the air pockets formed between them by 16.
  • HTI means Heat Transfer Index which is determined with the aid of a flame which has a defined heat flow density of 80 kW / m 2 .
  • RHTI stands for Radiant Heat Transfer Index and is determined with the help of thermal radiation that has a defined heat flow density of 40 kW / m 2 .

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  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Professional, Industrial, Or Sporting Protective Garments (AREA)

Description

Technisches GebietTechnical area

Die Erfindung betrifft eine Hitzeschutzbekleidung, insbesondere eine Feuerwehreinsatzkleidung sowie eine neuartige Verwendung eines Warenwechsel-Gewebes.The invention relates to heat protection clothing, in particular fire brigade clothing and a new type of use of a change fabric.

Stand der TechnikState of the art

Auf dem genannten Gebiet, insbesondere für Feuerwehreinsatzkleidungen ist es notwendig, durch geeignete Maßnahmen den Wärme- oder Hitzedurchgang durch die Bekleidung so gering zu halten, dass zumindest für eine gewisse Zeit, gemäß den nachfolgend erwähnten Normen, nur ein begrenzter Hitzedurchgang erfolgt, so dass sich der empfundene Schmerz in Grenzen hält und insbesondere keine Verbrennungen auftreten.In the field mentioned, especially for fire brigade clothing, it is necessary to take suitable measures to keep the heat transfer through the clothing so low that at least for a certain time, according to the standards mentioned below, only a limited heat transfer occurs, so that the perceived pain is limited and in particular no burns occur.

Als Vorbenutzungsgegenstände sind hierbei verwendete Gewebe bekannt, die in das Gewebe integrierte, vergleichsweise dicke Fäden oder im Rahmen eines Doppelgewebes vorgesehene Gitter aufweisen, vgl. beispielsweise die EP 1 373 617 B1 . Bei derartigen Geweben besteht jedoch der Nachteil, dass stets Erhebungen vorgesehen werden, die zur Schaffung der hitzeisolierenden Lufttaschen erforderlich sind, jedoch an anliegenden Geweben scheuern. Hierdurch erhöht sich der Verschleiß, und es kann zur Bildung von Löchern kommen. Ferner sind derartige Erhebungen fühlbar und infolge von Gewebeverschleiß durch Wäsche auch sichtbar.Fabrics used here are known as prior use objects which have comparatively thick threads integrated into the fabric or grids provided in the context of a double fabric, cf. for example the EP 1 373 617 B1 . With such fabrics, however, there is the disadvantage that elevations are always provided which are necessary to create the heat-insulating air pockets, but which rub against adjacent fabrics. This increases wear and tear and can lead to the formation of holes. Furthermore, such elevations can be felt and also visible as a result of fabric wear from laundry.

Es sind ferner Gestricke oder 3D-Vliese bekannt, die isolierende Wirkung haben. Dies bedeutet jedoch stets den Einsatz einer separaten Textilschicht, was den Herstellungsaufwand erhöht. Ferner weisen insbesondere Gestricke aufgrund ihrer Struktur keine normgerechte Dimensionsstabilität auf und müssen aus diesem Grund mit einem beispielsweise gewebten Futterstoff versteppt werden. Weiterhin beschreibt EP 1 542 558 A2 eine Hitzeschutzbekleidung, welche ein Warenwechsel-Gewebe als Außenschicht verwendet.There are also knitted fabrics or 3D nonwovens known which have an insulating effect. However, this always means the use of a separate textile layer, which increases the manufacturing costs. Furthermore, due to their structure, knitted fabrics in particular do not have dimensional stability that conforms to standards and for this reason must be quilted with a, for example, woven lining material. Further describes EP 1 542 558 A2 heat protection clothing that uses a change fabric as the outer layer.

Darstellung der ErfindungPresentation of the invention

Vor diesem Hintergrund liegt der Erfindung die Aufgabe zugrunde, eine Hitzeschutzbekleidung zu schaffen, die strapazierfähig ist und gleichzeitig die Anforderungen im Hinblick auf den Wärmedurchgang erfüllt.Against this background, the invention is based on the object of creating heat protective clothing that is hard-wearing and at the same time meets the requirements with regard to heat transmission.

Die Lösung dieser Aufgabe erfolgt durch die im Anspruch 1 beschriebene Hitzeschutzbekleidung.This problem is solved by the heat protective clothing described in claim 1.

Demzufolge weist diese, insbesondere als Feuerwehreinsatzkleidung ausgeführt, ein Warenwechsel-Gewebe auf. Wie sich beispielsweise aus dem Buch des Arbeitgeberkreises Gesamttexil-Eschborn "Ausbildungsmittel Unterrichtshilfen Textiltechnik Webereitechnik", zweite Auflage, 1997, Kapitel 5.28, Abbildung S. 90 ergibt, kann ein Warenwechsel-Gewebe auch als "Doppelgewebe, als Warenwechsel oder Schichtenwechsel" bezeichnet werden. Durch geeignete Bindung kann dann, wenn Kette und Schuss zumindest zweifarbig sind, eine bestimmte Farbe an die Oberfläche gebracht werden, und derartige Gewebe wurden bislang insbesondere zu diesem Zweck eingesetzt. Hierdurch können Motive, wie z.B. Karos, geschaffen werden. Dies beruht im Wesentlichen darauf, dass das Doppelgewebe so konstruiert ist, dass die Gewebelagen außenliegend und innenliegend wechseln.As a result, this, in particular designed as fire brigade clothing, has a change fabric. As can be seen, for example, from the book of Employers' group Gesamttexil-Eschborn "Training materials teaching aids textile technology weaving technology", second edition, 1997, chapter 5.28, illustration on p. 90 results, a fabric change fabric can also be referred to as a "double fabric, as a fabric change or layer change". By means of a suitable binding, if the warp and weft are at least two-colored, a certain color can be brought to the surface, and fabrics of this type have hitherto been used in particular for this purpose. This can be used to create motifs such as diamonds. This is essentially due to the fact that the double fabric is constructed in such a way that the fabric layers alternate on the outside and inside.

Im Rahmen der Erfindung wird dies in neuartiger Weise bei Hitzeschutzbekleidungen, insbesondere als Innenfutter genutzt. Der hierbei überraschend festzustellende, vergleichsweise geringe Wärmedurchgang beruht unter anderem auf der Tatsache, dass sich infolge der von außen nach innen wechselnden Gewebelagen zwischen den beiden Gewebelagen Lufttaschen bilden. Mit anderen Worten wird ein Gewebe, das in bestimmten Bereichen das Obergewebe bildet, durch den Warenwechsel zum Untergewebe und umgekehrt. Dazwischen werden im Wesentlichen linsen- oder kissenförmige Lufttaschen gebildet.In the context of the invention, this is used in a novel way in heat protective clothing, in particular as an inner lining. The surprising to be found here, The comparatively low heat transfer is due, among other things, to the fact that air pockets are formed between the two layers of fabric as a result of the fabric layers changing from outside to inside. In other words, a fabric that forms the upper fabric in certain areas becomes a lower fabric and vice versa through the change of fabric. In between, lens-shaped or pillow-shaped air pockets are formed.

Diese Lufttaschen wirken in vorteilhafter Weise isolierend, ohne dass ein separates Vlies als Isolationsschicht oder dergleichen vorgesehen werden muss. Im Gegensatz zu den oben beschriebenen bekannten Maßnahmen zur Bildung von Lufttaschen weist das erfindungsgemäß verwendete Gewebe den Vorteil auf, dass es auf beiden Warenseiten gleichermaßen glatt ist. Somit sind keine Erhebungen sicht- oder fühlbar, und der Effekt des Scheuerns kann vermieden werden. Folglich ist die erfindungsgemäße Hitzeschutzbekleidung sowohl strapazierfähig als auch selbst nach häufigem Waschen optisch ansprechend. Schließlich kann in vorteilhafter Weise eine normgerechte Dimensionsstabilität erreicht werden, so dass kein Versteppen mit einem gewebten Futterstoff notwendig ist. Schließlich ergibt sich, wie aus dem Stand der Technik bekannt, die vorteilhafte Möglichkeit, optische Motive zu erzeugen.These air pockets have an insulating effect in an advantageous manner without a separate fleece having to be provided as an insulating layer or the like. In contrast to the known measures described above for the formation of air pockets, the fabric used according to the invention has the advantage that it is equally smooth on both sides of the goods. Thus, no bumps can be seen or felt, and the effect of chafing can be avoided. Consequently, the heat protective clothing according to the invention is both hard-wearing and also visually appealing even after frequent washing. Finally, dimensional stability conforming to standards can be achieved in an advantageous manner, so that quilting with a woven lining material is not necessary. Finally, as is known from the prior art, there is the advantageous possibility of generating optical motifs.

Wie bereits erwähnt, wird das Warenwechsel-Gewebe als Innenfutter eingesetzt, um die beschriebenen Effekte zu erreichen.As already mentioned, the interchangeable fabric is used as an inner lining in order to achieve the effects described.

Vorteilhafte Weiterbildungen der erfindungsgemäßen Hitzeschutzbekleidung sind in den weiteren Ansprüchen beschrieben.Advantageous developments of the heat protective clothing according to the invention are described in the further claims.

Im Hinblick auf den Wechsel der Gewebelagen wird derzeit bevorzugt, dass dieser alle 2 mm bis 10 mm, insbesondere alle 5 mm bis 6 mm in Kett- und/oder Schussrichtung erfolgt. Bevorzugt erfolgt er gleichermaßen in Kett- und Schussrichtung, so dass sich ein optisch ansprechendes Karo einstellen kann. Dennoch wird derzeit ein Karo von etwa 5 mm x 6 mm bevorzugt.With regard to the change of the fabric layers, it is currently preferred that this take place every 2 mm to 10 mm, in particular every 5 mm to 6 mm in the warp and / or weft direction. It is preferably carried out equally in the warp and weft directions, so that a visually appealing diamond is created can adjust. Nevertheless, a diamond of around 5 mm x 6 mm is currently preferred.

Dies kann im Hinblick auf die Farbeffekte dadurch erreicht werden, dass die verwendeten Garne eine unterschiedliche Anfärbbarkeit aufweisen. Es sei erwähnt, dass bei Verwendung unterschiedlicher Anfärbbarkeiten unterschiedliche Farbintensitäten in vorteilhafter Weise durch eine effiziente Einbadfärbung erreicht werden können.With regard to the color effects, this can be achieved in that the yarns used have different dyeability. It should be mentioned that when using different stainabilities, different color intensities can advantageously be achieved through efficient single-bath staining.

Angesichts der Verwendung einer Hitzeschutzbekleidung werden hierfür derzeit unterschiedliche Typen von Nomex bevorzugt, beispielsweise E502 und T450. Es sind jedoch jegliche andere, flammhemmende Fasern einsetzbar, und der beschriebene Farbeffekt kann insbesondere durch ein unterschiedliches Verhältnis von amorphen zu auskristallisierten Faseranteilen in den verwendeten Garnen erreicht werden.In view of the use of heat protection clothing, different types of Nomex are currently preferred, for example E502 and T450. However, any other flame-retardant fibers can be used, and the color effect described can be achieved in particular through a different ratio of amorphous to crystallized fiber components in the yarns used.

Bevorzugt wird die erfindungsgemäße Hitzeschutzbekleidung derart eingesetzt, dass sie zumindest Level 1 der Sollwerte gemäß DIN EN 469:2005, und bevorzugt das Level 2 erreicht, wenn beispielsweise nach EN 367 und/oder EN ISO 6942 gemessen wird.The heat protective clothing according to the invention is preferably used in such a way that it reaches at least level 1 of the setpoint values in accordance with DIN EN 469: 2005, and preferably level 2 if measurements are made, for example, in accordance with EN 367 and / or EN ISO 6942.

Im Zusammenhang mit der Erfindung hat sich herausgestellt, dass hierdurch eine Hitzeschutzbekleidung geschaffen werden kann, die im Hinblick auf das Gesamtgewicht der Materialzusammensetzung ein vergleichsweise niedriges Flächengewicht von 465 bis 535 g/m2 aufweist. Im Gegensatz dazu liegt das Flächengewicht der derzeit üblichen Materialzusammensetzung für Feuerwehreinsatzkleidung bei 545 bis 640, im Mittel bei etwa 600 g/m2. In vorteilhafter Weise wirkt das erfindungsgemäße, niedrige Gesamtgewicht dem sogenannten Hitzestress entgegen. Hierbei handelt es sich um eine Überhitzung des Körpers während des Einsatzes, die dadurch entsteht, dass moderne Schutzbekleidung für Feuerwehrleute zwar immer besser isoliert und immer höheren Temperaturen standhält, jedoch die Feuerwehrleute selbst zunehmend überhitzen und als Folge Erschöpfung oder sogar einen Kreislaufkollaps erleiden. Dem wird durch die erfindungsgemäßen Maßnahmen erfolgreich entgegengewirkt.In connection with the invention, it has been found that this makes it possible to create heat protective clothing which, with regard to the total weight of the material composition, has a comparatively low surface weight of 465 to 535 g / m 2 . In contrast to this, the weight per unit area of the currently customary material composition for fire-fighting clothing is 545 to 640, on average around 600 g / m 2 . The low total weight according to the invention advantageously counteracts what is known as heat stress. This is an overheating of the body during an operation, which is caused by the fact that modern protective clothing for firefighters insulates better and better and withstands increasingly higher temperatures, but the firefighters themselves increasingly overheat and suffer exhaustion or even circulatory collapse as a result. This is successfully counteracted by the measures according to the invention.

Wie bereits angedeutet, kann die Erfindung auch in der Verwendung eines Warenwechsel-Gewebes, mit anderen Worten eines Doppelgewebes als Warenwechsel oder Schichtwechsel, in einer Hitzeschutzbekleidung, insbesondere einer Feuerwehreinsatzkleidung, und insbesondere als Innenfutter gesehen werden. Bevorzugte Ausführungsformen der erfindungsgemäßen Verwendung ergeben sich aus den vorangehend und nachfolgend beschriebenen bevorzugten Merkmalen der erfindungsgemäßen Hitzeschutzbekleidung und umgekehrt.As already indicated, the invention can also be seen in the use of a change fabric, in other words a double fabric as a change of goods or shift change, in heat protective clothing, in particular fire brigade clothing, and in particular as inner lining. Preferred embodiments of the use according to the invention result from the preferred features of the heat protective clothing according to the invention described above and below, and vice versa.

Kurze Beschreibung der ZeichnungenBrief description of the drawings

Figur 1Figure 1
zeigt eine zur Herstellung des erfindungsgemäßen Gewebes verwendete Bindungspatrone.Figure 10 shows a binding cartridge used to make the fabric of the present invention.
Figur 2Figure 2
zeigt einen Querschnitt durch das erfindungsgemäße Gewebe.shows a cross section through the fabric according to the invention.

In Figur 1 ist zum einen zu erkennen, dass das linke untere und das rechte obere sowie das linke obere und das rechte untere Viertel jeweils gleich gestaltet sind, und dass, nunmehr die linke oder die rechte Hälfte betrachtet, im unteren Bereich überwiegend andere Fäden die Gewebeoberseite bilden, als im oberen Bereich. Hierdurch können dann, wenn sich die Gewebe im Hinblick auf ihre Farbe unterscheiden, die beschriebenen Farbeffekte erreicht werden. Unabhängig davon und im Rahmen der Erfindung erstmalig in dieser Weise genutzt, wechseln die beschriebenen unterschiedlichen Bereiche als Gewebelagen von innen nach außen, so dass sich die für die Isolierung vorteilhaften Lufttaschen bilden.In Figure 1 On the one hand, it can be seen that the lower left and upper right as well as the upper left and lower right quarter are each designed the same, and that, now viewed from the left or right half, predominantly other threads form the upper side of the fabric in the lower area, than in the upper area. In this way, when the fabrics differ with regard to their color, the described color effects can be achieved. Independently of this and used for the first time in this way within the scope of the invention, the different areas described change as fabric layers from the inside to the outside, so that the air pockets that are advantageous for the insulation are formed.

Wie in Figur 2 gezeigt, sind diese Lufttaschen im Querschnitt im Wesentlichen kissen- oder linsenförmig und bilden sich zwischen den Gewebelagen, die durch den Warenwechsel sowohl in Kett- als auch in Schussrichtung von Ober- zu Untergewebe wechseln. Mit anderen Worten bildet ein Gewebe in dem dargestellten linken und rechten Bereich das Obergewebe, und in dem mittleren Bereich das Untergewebe, während das andere Gewebe links und rechts das Untergewebe und in der Mitte das Obergewebe bildet. Das zuerst genannte Gewebe ist mit 12, das zuletzt genannte Gewebe mit 14, und die sich dazwischen bildenden Lufttaschen mit 16 bezeichnet.As in Figure 2 shown, these air pockets are essentially pillow-shaped or lens-shaped in cross-section and are formed between the layers of fabric, which are both caused by the change of goods Switch from top to bottom fabric in both warp and weft direction. In other words, one fabric forms the upper fabric in the left and right area shown, and the lower fabric in the middle area, while the other fabric on the left and right forms the lower fabric and in the middle forms the upper fabric. The first-mentioned fabric is indicated by 12, the last-mentioned fabric by 14, and the air pockets formed between them by 16.

Nachfolgend sind Ergebnisse von Vergleichsversuchen dargestellt, bei denen zum einen das erfindungsgemäß verwendete Warenwechselgewebe mit einem sogenannten "Fire Blocker" (Produkt von Gore) und "Nomex NXT" kombiniert wurde, und zum anderen ein Aufbau mit in etwa gleichem Flächengewicht aus Nomex NXT, 3D-Vlies mit Membran und einem separaten Futterstoff getestet wurde. Es wurde zum einen in jeweils drei Versuchen der heat transfer flame gemäß EN 367 und zum anderen der heat transfer radiation gemäß EN ISO 6942 getestet. Das Ergebnis (jeweils die rechteste Spalte) wird jeweils durch den geringsten Wert gebildet. Wie die Tabelle zeigt, sind die Werte für die Zeit zwischen der ersten Wahrnehmung des Schmerzes und einer Verbrennung zweiten Grades gleich hoch, wie bei dem Vergleichsprodukt, und sie sind deutlich höher bei sämtlichen anderen Werten. Insbesondere wird Level 2 gemäß DIN EN 469:2005 erreicht. Nomex NXT Messung 1 Messung 2 Messung 3 Ergebnis Nomex NXT Messung 1 Messung 2 Messung 3 Ergebnis Sollwerte DIN EN 469:2005 Fireliner 3DVlies + Membrane Warenwechsel-Gewebe Futterstoff Heat transfer flame (EN 367) Heat transfer flame (EN 367) Level 1 Level 2 HTI12 12,1 11,9 12,3 11,9 HTI12 11,9 11,5 11,4 11,4 HTI24 17,2 17 17,2 17 HTI24 17,3 16,4 16,3 16,3 ≥ 9,0 ≥ 13,0 HTI24-12 5,1 5,1 4,9 4,9 HTI24-12 5,4 4,9 4,9 4,9 ≥ 3,0 ≥ 4,0 Heat transfer radiation (EN ISO 6942) Heat transfer radiation (EN ISO 6942) RHTI12 14,4 14,4 14,2 14,2 RHTI12 13,5 12,7 13,5 12,7 RHTI24 20,2 20,4 20,2 20,2 RHTI24 19,3 18,5 19 18,5 ≥ 10,0 ≥ 18,0 RHTI24-12 5,8 6 6 5,8 RHTI24-12 5,8 5,8 5,5 5,8 ≥ 3,0 ≥ 4,0

  • HTI 12 Heat Transfer Index Bei der Prüfung wird mit einem Gasbrenner die Außenseite dieser Materialprobe mit einer Energiemenge (Wärmestromdichte) von 80 kW/m2 [kW = Kilowatt] beaufschlagt und auf der der Flamme abgewandten Seite die Zeit für den Temperaturanstieg um 12 K gemessen - entspricht in etwa der Schmerzschwelle auf der Haut
  • HTI 24 Bei der Prüfung wird mit einem Gasbrenner die Außenseite dieser Materialprobe mit einer Energiemenge (Wärmestromdichte) von 80 kW/m2 [kW = Kilowatt] beaufschlagt und auf der der Flamme abgewandten Seite die Zeit für den Temperaturanstieg um 24 K gemessen - kann eine Verbrennung 2. Grades der menschlichen Haut bewirken
  • HTI24-12 Zeit zwischen Verbrennung 2. Grades und erstem Wahrnehmen des Schmerzes
  • RHTI12 Benötigte Zeit, um die Innenseite einer Materialprobe bei einer Ausgangstemperatur von 20°C mit einer vorgegebenen Wärmestromdichte von 40 kW/m2 um 12 Kelvin zu erhöhen - entspricht in etwa der Schmerzschwelle auf der Haut.
  • RHTI24 Radiant Heat Transfer Index benötigte Zeit, um die Innenseite einer Materialprobe bei einer Ausgangstemperatur von 20°C mit einer vorgegebenen Wärmestromdichte von 40 kW/m2 um 24 Kelvin zu erhöhen kann eine Verbrennung 2. Grades der menschlichen Haut bewirken
  • RHTI24-12 Zeit zwischen Verbrennung 2. Grades und Wahrnehmen des Schmerzes. Mit anderen Worten gibt dies die sogenannte Fluchtzeit an, die einer Person zur Verfügung steht, um sich aus der fraglichen Situation zu entfernen, ohne Verbrennungen 2. Grades zu erleiden. Gleiches gilt für die oben angegebene HTI24-12.
Results of comparative tests are shown below, in which, on the one hand, the alternate fabric used according to the invention was combined with a so-called "Fire Blocker" (product from Gore) and "Nomex NXT", and on the other hand a structure with approximately the same weight per unit area made of Nomex NXT, 3D Fleece with membrane and a separate lining was tested. The heat transfer flame according to EN 367 and the heat transfer radiation according to EN ISO 6942 were tested in three tests. The result (the rightmost column in each case) is always formed by the lowest value. As the table shows, the values for the time between the first perception of the pain and a second-degree burn are the same as for the comparison product, and they are significantly higher for all other values. In particular, level 2 according to DIN EN 469: 2005 is achieved. Nomex NXT Measurement 1 Measurement 2 Measurement 3 Result Nomex NXT Measurement 1 Measurement 2 Measurement 3 Result Target values DIN EN 469: 2005 Fireliner 3D fleece + membrane Exchange fabric Lining fabric Heat transfer flame (EN 367) Heat transfer flame (EN 367) Level 1 Level 2 HTI12 12.1 11.9 12.3 11.9 HTI12 11.9 11.5 11.4 11.4 HTI24 17.2 17th 17.2 17th HTI24 17.3 16.4 16.3 16.3 ≥ 9.0 ≥ 13.0 HTI24-12 5.1 5.1 4.9 4.9 HTI24-12 5.4 4.9 4.9 4.9 ≥ 3.0 ≥ 4.0 Heat transfer radiation (EN ISO 6942) Heat transfer radiation (EN ISO 6942) RHTI12 14.4 14.4 14.2 14.2 RHTI12 13.5 12.7 13.5 12.7 RHTI24 20.2 20.4 20.2 20.2 RHTI24 19.3 18.5 19th 18.5 ≥ 10.0 ≥ 18.0 RHTI24-12 5.8 6th 6th 5.8 RHTI24-12 5.8 5.8 5.5 5.8 ≥ 3.0 ≥ 4.0
  • HTI 12 Heat Transfer Index During the test, the outside of this material sample is exposed to an amount of energy (heat flow density) of 80 kW / m2 [kW = kilowatt] with a gas burner and the time for the temperature to rise by 12 K is measured on the side facing away from the flame - corresponds roughly to the pain threshold on the skin
  • HTI 24 During the test, the outside of this material sample is exposed to an amount of energy (heat flow density) of 80 kW / m2 [kW = kilowatt] with a gas burner and the time for the temperature rise by 24 K is measured on the side facing away from the flame - a combustion can 2nd degree of human skin effect
  • HTI24-12 Time between 2nd degree burn and first perception of pain
  • RHTI12 Time required to increase the inside of a material sample by 12 Kelvin at an initial temperature of 20 ° C with a given heat flow density of 40 kW / m 2 - roughly corresponds to the pain threshold on the skin.
  • RHTI24 Radiant Heat Transfer Index required time to increase the inside of a material sample at an initial temperature of 20 ° C with a given heat flow density of 40 kW / m 2 by 24 Kelvin can cause a 2nd degree burn of the human skin
  • RHTI24-12 Time between 2nd degree burn and pain sensation. In other words, this indicates what is known as the escape time a person has to move away from the situation in question without suffering 2nd degree burns. The same applies to the HTI24-12 specified above.

Es sei ferner erwähnt, dass HTI Heat Transfer Index bedeuted, der mithilfe einer Flamme bestimmt wird, die eine definierte Wärmestromdichte von 80 kW/m2 aufweist. RHTI bedeutet Radiant Heat Transfer Index und wird mithilfe einer Wärmestrahlung bestimmt, die eine definierte Wärmestromdichte von 40 kW/m2 aufweist.It should also be mentioned that HTI means Heat Transfer Index which is determined with the aid of a flame which has a defined heat flow density of 80 kW / m 2 . RHTI stands for Radiant Heat Transfer Index and is determined with the help of thermal radiation that has a defined heat flow density of 40 kW / m 2 .

Claims (7)

  1. Heat-resistant clothing, in particular firefighting clothing, with an alternating weave fabric,
    characterised in that the alternating weave fabric forms an inner lining.
  2. Heat-resistant clothing according to claim 1,
    characterised in that the fabric layers of the alternating weave fabric alternate in the warp and/or weft direction every 2 mm to 10 mm, in particular every 5 mm to 6 mm.
  3. Heat-resistant clothing according to one of the preceding claims,
    characterised in that yarns which primarily form the surface in the different fabric layers exhibit different dye affinity.
  4. Heat-resistant clothing according to claim 3,
    characterised in that the yarns are formed by different types of Nomex.
  5. Heat-resistant clothing according to one of the preceding claims,
    characterised in that this achieves at least Level 1, preferably Level 2 according to EN 367 and/or EN ISO 6942 and/or DIN EN 469:2005.
  6. Heat-resistant clothing according to one of the preceding claims,
    characterised in that this has a weight per unit area of 465 to 535 g/m2.
  7. Use of an alternating weave fabric in heat-resistant clothing, in particular firefighting clothing.
EP19160483.4A 2018-03-19 2019-03-04 Heat-resistant clothing and use of an alternating double-layer fabric Active EP3543388B1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE102018204138.5A DE102018204138B3 (en) 2018-03-19 2018-03-19 Heat protection clothing and use of a fabric change fabric

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EP3543388A1 EP3543388A1 (en) 2019-09-25
EP3543388B1 true EP3543388B1 (en) 2020-12-30

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Publication number Priority date Publication date Assignee Title
CN111996650B (en) * 2020-08-27 2022-08-30 上海安踏体育用品有限公司 Embroidered-like down jacket fabric and preparation method thereof

Family Cites Families (4)

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Publication number Priority date Publication date Assignee Title
FR2822855B1 (en) 2001-03-29 2003-06-20 Europrotect France REINFORCED FABRIC
FR2831772B1 (en) * 2001-11-07 2004-07-02 Kermel TEXTILE COMPLEX FOR THERMAL INSULATION
DE20214118U1 (en) * 2002-09-12 2002-11-14 Theodolf Fritsche Gmbh & Co Protective clothing
WO2005120646A1 (en) * 2004-06-14 2005-12-22 De Ball Inc. Fire insulating barrier material for a firefighter protective garment

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Title
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EP3543388A1 (en) 2019-09-25
DE102018204138B3 (en) 2019-06-19

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