EP3540106A1 - Garn und gewebe mit dem garn - Google Patents

Garn und gewebe mit dem garn Download PDF

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Publication number
EP3540106A1
EP3540106A1 EP18168836.7A EP18168836A EP3540106A1 EP 3540106 A1 EP3540106 A1 EP 3540106A1 EP 18168836 A EP18168836 A EP 18168836A EP 3540106 A1 EP3540106 A1 EP 3540106A1
Authority
EP
European Patent Office
Prior art keywords
yarn
fibers
fabric
synthetic fibers
flame retardant
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.)
Withdrawn
Application number
EP18168836.7A
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English (en)
French (fr)
Inventor
Omer AHMED
Hafiz KASHIF
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Blue Star Denim LLC
Original Assignee
Blue Star Denim LLC
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Blue Star Denim LLC filed Critical Blue Star Denim LLC
Publication of EP3540106A1 publication Critical patent/EP3540106A1/de
Withdrawn legal-status Critical Current

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Classifications

    • D—TEXTILES; PAPER
    • D02—YARNS; MECHANICAL FINISHING OF YARNS OR ROPES; WARPING OR BEAMING
    • D02G—CRIMPING OR CURLING FIBRES, FILAMENTS, THREADS, OR YARNS; YARNS OR THREADS
    • D02G3/00—Yarns or threads, e.g. fancy yarns; Processes or apparatus for the production thereof, not otherwise provided for
    • D02G3/44—Yarns or threads characterised by the purpose for which they are designed
    • D02G3/443—Heat-resistant, fireproof or flame-retardant yarns or threads
    • 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
    • D10B2201/00—Cellulose-based fibres, e.g. vegetable fibres
    • D10B2201/20—Cellulose-derived artificial fibres
    • 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
    • D10B2321/00—Fibres made from polymers obtained by reactions only involving carbon-to-carbon unsaturated bonds
    • D10B2321/10—Fibres made from polymers obtained by reactions only involving carbon-to-carbon unsaturated bonds polymers of unsaturated nitriles, e.g. polyacrylonitrile, polyvinylidene cyanide
    • D10B2321/101—Fibres made from polymers obtained by reactions only involving carbon-to-carbon unsaturated bonds polymers of unsaturated nitriles, e.g. polyacrylonitrile, polyvinylidene cyanide modacrylic
    • 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
    • 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
    • D10B2331/021—Fibres made from polymers obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds, e.g. polycondensation products polyamides aromatic polyamides, e.g. aramides

Definitions

  • the invention relates to a yarn and a fabric comprising the yarn. Specifically, the invention relates to a yarn from which a (denim) fabric with a flame retardant property is producible.
  • the fabric can be used to produce a garment with enhanced safety properties for protecting a person wearing the garment.
  • safety properties can be e.g. flame and/or heat resistance, electric arc resistance, abrasion resistance and/or anti-static properties.
  • Oil field workers are often subjected to harsh and dangerous environmental and working conditions. Oil field workers can be faced with open fire during their work routine. Therefore, these workers often wear garments with a flame retardant property in order to protect them from injuries or reduce injuries.
  • Static electrical discharges caused by a build-up of electrostatic charge of garments that discharges when being close to a conductor, can cause fires in environments with flammable components, e.g. in oil or gas fields.
  • the above mentioned garments are often wanted to have anti-static properties.
  • Electric arcs from e.g. voltage sources to workers can cause heavy injuries.
  • the above mentioned garments are often wanted to have an enhanced electric arc resistance.
  • the problem to be solved by the invention is to provide a yarn with an inherent flame retardant property from which a lightweight fabric with a flame retardant property can be produced. It is another problem to be solved to provide a yarn with a flame retardant property from which a garment is producible which is lightweight, comfortable to wear and has a look similar to the look of a garment without a flame retardant property.
  • a yarn for producing a fabric comprises first synthetic fibers and/or third synthetic fibers.
  • the yarn also comprises second synthetic fibers and regenerated cellulose fibers.
  • the first synthetic fibers, the second synthetic fibers and the regenerated cellulose fibers are different types of fibers.
  • the first synthetic fibers have a first flame retardant property, wherein the first flame retardant property is an inherent property of the first synthetic fibers.
  • the second synthetic fibers have a second flame retardant property, wherein the second flame retardant property is an inherent property of the second synthetic fibers.
  • the yarn being suitable for producing a fabric with an area related mass of at most 14 ounces per square yard (475 grams per square meter) and with a flame retardant property.
  • flame retardant flame resistant, fire retardant and fire resistant are used interchangeably herein. These terms relate to fabrics that resist burning, retard burning, show a self-extinguishing effect, show increased heat resistance, show reduced heat transmission and/or show increased resistance to molten metal under certain conditions.
  • these properties can be defined by passing the tests according to ISO 17493:2000, EN ISO 15025:2016 (Method A), EN ISO 15025:2016 (Method B), EN ISO 9151:2016, EN ISO 6942:2002 (Method B), ISO 12127-1:2015, and/or ISO 9150:1988, preferably each in conjunction with the requisites of EN ISO 11611:2015, EN ISO 11612:2015, and/or EN ISO 14116:2015.
  • the yarn may be structured such that a fabric with a flame retardant property is producible from the yarn, wherein the area related mass of the fabric is at most 12 ounces per square yard (407 grams per square meter).
  • the yarn is structured such that a fabric with a flame retardant property is producible from the yarn, wherein the area related mass of the fabric is at most 10 ounces per square yard (339 grams per square meter).
  • the yarn can comprise third synthetic fibers, additionally to first synthetic fibers and regenerated cellulose fibers or substituting the first synthetic fibers.
  • the third synthetic fibers can be a different type of fibers than any one the type of the first synthetic fibers, the second synthetic fibers and the regenerated cellulose fibers.
  • the yarn can also comprise fourth synthetic fibers which can be different type of fibers than any one the type of the first synthetic fibers, the second synthetic fibers, the third synthetic fibers and the regenerated cellulose fibers.
  • the first synthetic fibers can comprise a polymer of which acrylonitrile is a monomer in the polymerization of the polymer.
  • the first synthetic fibers can comprise a copolymer.
  • the copolymer can be a bipolymer.
  • Acrylonitrile can be a monomer in the polymerization of the copolymer and a second monomer as another monomer in the polymerization of the copolymer can be selected from the group consisting of vinyl chloride, vinylidene chloride, vinyl bromide and mixtures thereof.
  • First synthetic fibers can be modacrylic fibers.
  • the content of acrylonitrile in the first synthetic fibers is at least 35 wt.-%, more preferably at most 85 wt.-%, based on the total weight of first synthetic fibers.
  • the yarn can comprise the first synthetic fibers by between 30 wt.-% and 60 wt.-%.
  • the yarn comprises the first synthetic fibers between 35 wt.-% and 55 wt.-%.
  • the yarn can comprise the first synthetic fibers between 40 wt.-% and 50 wt.-%.
  • the total weight of all fibers in the yarn is the reference value, i.e. the respective proportional weight is based on the total weight of all fibers of the yarn.
  • the second synthetic fibers can comprise a polyamide.
  • the second synthetic fibers can comprise an aramid. It is preferred that the second synthetic fibers comprise a para-aramid.
  • the second synthetic fibers can be comprised by the yarn by at most 25 wt.-%.
  • the yarn can also comprise between 3 wt.-% and 20 wt.-% of the second synthetic fibers. It is preferred that the yarn comprises between 7 wt.-% and 15 wt.-% of the second synthetic fibers. Again, the respective proportional weight is based on the total weight of all fibers of the yarn.
  • the regenerated cellulose fibers can be at least partially derived from a portion of a jute plant (jute).
  • Regenerated cellulose fibers are usually considered semi-synthetic fibers as these fibers are manufactured from cellulose that is derived from plants. Synthetic fibers as described above are considered as "totally” or “fully” synthetic fibers often being made from crudes and intermediates.
  • the yarn can comprise between 15 wt.-% and 45 wt.-% regenerated cellulose fibers.
  • the yarn comprises between 20 wt.-% and 40 wt.-% regenerated cellulose fibers. It is especially preferred that the yarn comprises between 25 wt.-% and 35 wt.-% regenerated cellulose fibers, wherein the proportional weight is based on the total weight of all fibers of the yarn.
  • Third synthetic fibers can be comprised by the yarn, instead of first synthetic fibers or additionally to first synthetic fibers.
  • the third synthetic fibers can comprise a polyamide.
  • the third synthetic fibers comprise a polyamide 6.6 or polyamide 6.
  • polyamides for the third synthetic fibers polyamide 6.6 is especially preferred.
  • the yarn can comprise the third synthetic fibers by at most 30 wt.-%.
  • the yarn comprises the third synthetic fibers between 5 wt.-% and 25 wt.-%. It is especially preferred that the yarn comprises between 10 wt.-% and 20 wt.-%, wherein the proportional weight is based on the total weight of all fibers of the yarn.
  • Fourth synthetic fibers can be comprised by the yarn.
  • the fourth synthetic fibers can have an anti-static property.
  • the fourth synthetic fibers are electrically conductive fibers.
  • Polyamide 6 can be the matrix polymer with carbon particles or fibers as conductive particles or fibers within the matrix polymer.
  • Fourth synthetic fibers can have a carbon content between 5 wt.-% and 50 wt.-%, especially between 10 wt.-% and 40 wt.-%, based on the total weight of fourth synthetic fibers.
  • the yarn can comprise at most 15 wt.-% of fourth synthetic fibers.
  • the yarn can also comprise at most 10 wt.-% of fourth synthetic fibers.
  • the yarn comprises between 1 wt.-% and 4 wt.-% of fourth synthetic fibers.
  • the proportional weight is based on the total weight of all fibers of the yarn.
  • the disclosed yarn can be produced by ring spinning.
  • First, second, third, fourth and/or regenerated cellulose fibers can be provided in a first step.
  • the fibers are ring spun, thereby providing the yarn.
  • a fabric can be produced from the herein disclosed yarn, e.g. a woven fabric.
  • the fabric comprises the yarn.
  • the yarn can be present in the fabric by at least 50 wt.-% of the total weight of the sum of all yarns in the fabric.
  • the fabric comprises at least 90 wt.-% of the yarn, based on the sum of all yarns in the fabric.
  • the fabric comprises the same yarn for warp and weft.
  • the fabric can be a 3/1, a 2/1 or a 2/2 woven fabric.
  • the fabric is a denim fabric.
  • one of warp or weft is dyed with indigo and the other one is white.
  • the yarn and the fabric can comprise additional components, which are selected from the group consisting of bleaching agents, anti-oxidants, pigments, dyes, UV-stabilizers, antimicrobial agents, and mixtures thereof.
  • Figure 1 schematically shows a yarn having first synthetic fibers 1, second synthetic fibers 2, regenerated cellulose fibers 3, third synthetic fibers 4, and fourth synthetic fibers 5.
  • Figure 2 shows the yarn 10 of Figure 1 in a cross-section.
  • the yarn 10 is produced by providing the fibers, e.g. first synthetic fibers 1, second synthetic fibers 2, regenerated cellulose fibers 3, third synthetic fibers 4, and fourth synthetic fibers 5, and using ring spinning. Other production methods may be used.
  • the yarn may pass through a rope dyeing process as known in the art.
  • a fabric can be produced by weaving, e.g. by using the dyed yarn for warp and an undyed yarn of the same fiber composition for weft. Thereby, a fabric is producible from the disclosed yarn.
  • the fabric can be coated with a transparent resin for improvement of the wet and dry rubbing fastness properties of the fabric.
  • the fabric is preferably woven as 3/1 right hand twill.
  • Fabrics are producible from the yarn having a combination of conflicting properties.
  • the fabric has a low weight, i.e. at most 14 ounces per square yard (475 grams per square meter) or even at most 12 or 10 ounces per square yard (407 or 339 grams per square meter), and at the same time excellent safety related properties, as will be shown below.
  • a fabric 30 produced from the yarn 10 shown in Figures 1 and 2 is presented in Figure 3 .
  • Garments can be produced from the fabric with excellent wear properties due to the softness of the fabric.
  • Such garments include e.g. trousers, shirts, gloves, and jackets.
  • An especially suitable yarn can have the following composition as example 1, wherein weight percentages are based on the total weight of the composition: 40 to 50 wt.-% of modacrylic fibers (e.g. Dynel® or Verel®), 7 to 15 wt.-% of para-amid fibers (e.g. Kevlar® or Twaron®), 25 to 35 wt.-% of regenerated cellulose fibers (e.g. Rayon, Modal, or Lyocell), 10 to 20 wt.-% of nylon 6.6 fibers, 1 to 4 wt.-% of polyamide 6 fibers which are modified with carbon (e.g. Makamid® or UPA®).
  • modacrylic fibers e.g. Dynel® or Verel®
  • para-amid fibers e.g. Kevlar® or Twaron®
  • regenerated cellulose fibers e.g. Rayon, Modal, or Lyocell
  • a yarn comprises: 43 wt.-% of modacrylic fibers, 11 wt.-% of para-amid fibers, 29 wt.-% of regenerated cellulose fibers, 15 wt.-% of nylon 6.6 fibers, 2 wt.-% of polyamide 6 fibers which are modified with carbon.
  • the respective fibers were provided in the respective weight ratios and the yarn was produced using ring spinning. From the yarn a denim fabric was woven using the (same) yarn for warp and weft.
  • the denim fabric had an area related mass of 10 ounces per square yard (0.339 kg/m 2 ) and was tested (pre-treated and/or non-pre-treated) as described below, wherein the properties described with reference to example 2 of the fabric are achieved by the compositions of example 1 as well, when being used to produce a denim fabric.
  • Breaking strength was determined according to EN 13934-1:2013.
  • the denim fabric was pre-treated in accordance with ISO 6330:2012 (temperature: 40 °C, 5 cycles method 4N and F drying.)
  • An INSTRON dynamometer was used. The gauge length was 200 m.
  • the rate of extension of warp and weft was 100 mm/min.
  • the pretension for warp and weft was 5 N.
  • the pre-treated denim fabric showed a warp tensile strength of 1500 N as average value based on five measurements (minimum value 1400 N).
  • the weft (fill) tensile strength was determined as average value of 1000 N based on five measurements (minimum value 960 N).
  • the denim fabric passed the test as described in EN 13934-1:2013 with the rating "Performance Level A1" according to the requisite of EN ISO 11611:2015, EN ISO 11612:2015 and IEC 61482-2:2009.
  • the tear resistance of the denim fabric was measured according to EN 13937-2:2000 after pre-treatment according to ISO 6330:2012 (temperature: 40 °C, 5 cycles, method 4N and F drying). An INSTRON dynamometer was used.
  • the pre-treated denim fabric showed a warp tear strength of 56 N and a weft (fill) tear strength of 52 N.
  • the pre-treated denim fabric passed the requisite of EN ISO 11611:2015, EN ISO 11612:2015 and IEC 61482-2:2009.
  • a resistance of the fabric against small molten metal splashes was tested according to ISO 9150:1988.
  • the fabric was pre-treated according to ISO 6330:2012 (temperature: 40 °C, 5 cycles, method 4N and F drying).
  • the fabric showed a classification value of 22 drops and an average value of 23 (average of ten measurements), thereby meeting the requisite of EN ISO 11611:2015, point 6.8 for a class 1 rating.
  • the fabric was tested according to EN ISO 15025:2016 (Method A) using a 13008IE12 equipment. Propane was used as gas. The outer surface of the fabric was exposed to the flame.
  • the performance level of the tested fabric is A1 according to EN ISO11611:2015, A1 according to EN ISO 11612:2015, Index 3 according to EN ISO 14116:2015, and Index 3 according to EN ISO 14116:2015 modified according to IEC 61482-2:2009.
  • the fabric was tested according to EN ISO 15025:2016 (Method B) using a 13008IE12 equipment. Propane was used as gas. The edge (hemmed fabric specimen) was exposed to the flame.
  • the performance level of the tested fabric is A2 according to EN ISO11611:2015 and A2 according to EN ISO 11612:2015.
  • test specimens were pre-treated according to ISO 6330:2012 (temperature: 40 °C, 5 cycles, method 4N and F drying) prior to measurements.
  • the fabric shows a classification value of 1.72 - 10 6 ⁇ and an average value of 2.16 - 10 6 ⁇ based on 5 measurements. According to EN ISO 11611:2015 the fabric is rated "Pass".
  • the dimensional change after domestic laundering was measured according to ISO 6330:2012 and ISO 5077:2008.
  • the fabric was pre-treated according to ISO 6330:2012 using a 4N washing procedure, 5 cycles, a temperature of 40 °C, and a F drying procedure (tumble dryer).
  • a Wascator type A horizontal rum with front loading was used.
  • a 13337E12 as equipment was used.
  • the detergent was 98 ECE reference detergent.
  • a Type III - 100 % polyester counterweight was used.
  • the drying type was A3.
  • the dimensional change was determined according to EN ISO 5077:2008 as an average value of -2.5 % for warp and as an average value of -1.0 % for weft. Each average value is based on two measurements for independent specimens. Negative values indicate shrinkage.
  • Heat resistance of the denim fabric was determined according to ISO 17493:2000. An air stove was used, a temperature of 180 °C was applied, and the test specimens were tested for 5 min. The fabric was pre-treated (ISO 6330:2012, temperature: 40 °C, 5 cycles, method 4N and F drying) prior to testing.
  • a convective heat apparatus was used and the heat flux density was 80.68 kW/m 2 .
  • the heat transfer index (HTI) as defined in ISO 9151 showed a classification value for HTI 12 of 3.5 s and an average value based on three measurements for HTI 12 of 3.6 s.
  • the HTI 24 classification value was 5.3 s and the HTI 24 average value, based on three measurements, was 5.4 s.
  • the tested pre-treated fabric shows a performance level according to EN ISO 11612:2015 of B1.
  • the radiant heat transfer of the fabric was tested according to EN ISO 6942:2002 (Method B).
  • the fabric was pre-treated prior to testing according to ISO 6330:2012, temperature: 40 °C, 5 cycles, method 4N and F drying.
  • the radiant heat transfer index (RHTI) as defined in ISO 6942 showed a classification value for RHTI 12 of 8.1 s and an average value of 9.2 s, based on three measurements.
  • the RHTI 24 classification value was 14.3 s and the average value, based on three measurements, was 15.1 s.
  • the TF classification value was 54.0 % and the average value, based on three measurements, was 57.0 %.
  • the tested pre-treated fabric is rated C1 according to EN ISO 11612:2015 and rated class 1 according to EN ISO 11611:2015.
  • the fabric was tested with regard to contact heat protection according to ISO 12127-1:2015.
  • the fabric was pre-treated according to ISO 6330:2012, temperature: 40 °C, 5 cycles, method 4N and F drying, prior to testing.
  • a threshold time classification value of 7.1 s and an average value of the threshold time of 7.2 s were measured, when applying a contact temperature of 250 °C.
  • the pre-treated fabric is rated F1.
  • the charge decay of the denim fabric was tested according to EN 1149-3:2004. Prior to testing the fabric was pre-treated according to ISO 6330:2012, temperature: 40 °C, 5 cycles, method 4N and F drying.
  • test method 2 Induction charge (test method 2) was used. A potential of 1200 ⁇ 50 V in 30 ⁇ s and a measurement time of 30 s was used.
  • An average shielding factor of 1.00 was measured based on three measurements.
  • the average value of the measured decay half time was smaller than 0.01 s, based on three measurements.
  • the fabric fulfils the requirements of EN 1149-5:2008 and EN 1149-3:2004, Method induction charging, and is rated "Pass".
  • the denim fabric was tested for its behavior against a thermal risk when exposed to heat energy from an electric arc according to EN 61482-1-2:2014 (equivalent to IEC 61482-1-2:2014). Prior to testing the fabric was pre-treated according to ISO 6330:2012, temperature: 40 °C, 5 cycles, method 4N and F drying.
  • Test conditions are summarized in table 6.
  • Table 6 Test conditions Class Class 1 Testing atmosphere 17.30 °C 29.80 % RH Test current I class for class 1 4 kA ⁇ 5 % Calibration test curve 4123 A Average direct exposure incident energy E io 142.3 kJ/m 2 Arc duration 500 ms ⁇ 5 % Average real arc duration 488.3 ms Test voltage 400 V ⁇ 5 % Average real test voltage 405.2 V Average real Arc Energy W arc 173.3 kJ Gap between electrodes 30 ⁇ 1 mm Distance between the electrodes and sample 300 ⁇ 5 mm
  • Table 7 Property Measurement Specimen 1 Specimen 2 Specimen 3 Specimen 4 Class Class 1 Class 1 Class 1 Burning time Video 0.000 s 0.000 s 0.000 s 0.000 s Hole formation > 5 mm Visual No No No No Melting through to the inner side Visual No No No No No Embrittlement Visual No No No Damage on the outside Visual No No No No No Charring on the outside Visual Yes Yes Yes Yes Yes Dripping Visual No No No No No No No Shrinkage Calculated No No No No No No No No
  • Table 8 shows data of the conducted tests limited at 30 s.
  • t i is the time at which the difference between the transmitted incident energy E it and the Stoll energy E iStoll is maximal.
  • Table 8 Class 1 Property Specimen 1 Specimen 2 Specimen 3 Specimen 4 Transmitted incident energy E it 61.74 kJ/m 2 64.50 kJ/m 2 62.29 kJ/m 2 65.88 kJ/m 2 Time to delta peak temperature t max 30.00 s 30.00 s 30.00 s 30.00 s 30.00 s Delta peak temperature ⁇ T p 11.18 °C 11.68 °C 11.28 °C 11.94 °C Differences AEi of the transmitted energy to the Stoll limit value at t max -72.92 kJ/m 2 -70.16 kJ/m 2 -72.37 kJ/m 2 -68.78 kJ/m 2 Minimum difference between the transmitted energy E it to the Stoll energy E i
  • the tested pre-treated fabric passes the requirements of EN 61482-1-2:2014 for class 1.
  • a denim fabric produced from the yarn of example 2 was compared to a commercially available denim fabric ce1 and a non-denim fabric ce2.
  • Denim fabric ce1 consists of cotton (100 wt.-%). The denim fabric ce1 has been treated with a flame resistant coating. The fabric ce1 has a specific weight of 10 ounces per square yard.
  • Fabric ce2 consists of cotton, a polyester, and a static-control.
  • the fabric ce2 has been treated with a flame resistant coating.
  • the fabric ce2 has a specific weight of 10.5 ounces per square yard.
  • Table 9 Property Example 2 ce 1 ce 2 Abrasion (ISO 12947-2), [cycles] 50,000 25,000 25,000 Tensile strength, warp (ASTM D5034 Mod.), [kg] 110 65 65 Tensile strength, weft (ASTM D5034 Mod.), [kg] 75 40 45 Tear strength, warp (ASTM D1424 Mod.), [kg] 10.0 5.5 6.0 Tear strength, weft (ASTM D1424 Mod.), [kg] 8.5 4.0 4.5
  • the fabric according to the invention shows increased abrasion resistance, increased tensile strength of warp and weft, and increased tear strength of warp and weft, compared to other fabrics (ce1 and ce2).
  • the flame resistant (flame retardant) property of the fabric according to the invention will remain after multiple washing procedures, since the flame resistant property of the fabric is inherent due to the use of fibers with inherent flame resistant property for the yarn.
  • the flame resistant property of ce1 and ce2 will decrease with an increasing number of washing cycles.
  • the fabric produced from the yarn surprisingly shows excellent safety related properties while being lightweight (low area related mass of the fabric) and soft. These properties qualify the fabric (produced from the yarn) for production of garments that are to be worn by workers which work under harsh environmental conditions.
  • the fabric produced from the yarn in the embodiments above shows excellent safety related properties while being lightweight (low area related mass of the fabric) and soft.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Textile Engineering (AREA)
  • Woven Fabrics (AREA)
EP18168836.7A 2018-03-14 2018-04-23 Garn und gewebe mit dem garn Withdrawn EP3540106A1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP18161800 2018-03-14

Publications (1)

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EP3540106A1 true EP3540106A1 (de) 2019-09-18

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Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2008027454A1 (en) * 2006-08-31 2008-03-06 Southern Mills, Inc. Flame resistant fabrics and garments made from same
US20110250810A1 (en) * 2010-04-08 2011-10-13 E.I. Du Pont De Nemours And Company Crystallized meta-aramid blends for flash fire and arc protection having improved comfort
US20120090080A1 (en) * 2009-05-19 2012-04-19 Southern Mills, Inc. Flame Resistant Fabric With Anisotropic Properties
US20130055491A1 (en) * 2011-09-02 2013-03-07 E. I. Du Pont De Nemours And Company High moisture regain yarn, fabrics, and garments having superior arc protection
US20140026303A1 (en) * 2012-07-27 2014-01-30 E I Du Pont De Nemours And Company Fiber blends, yarns, fabrics, and garments for arc and flame protection
WO2014025601A1 (en) * 2012-08-10 2014-02-13 Mmi-Ipco, Llc Flame resistant fiber blends and flame resistant yarns, fabrics, and garments formed thereof
US20140261852A1 (en) * 2013-03-13 2014-09-18 Springfield Llc Flame-Resistant Fiber Blend, Yarn, and Fabric, and Method for Making Same
WO2016033593A1 (en) * 2014-08-29 2016-03-03 Southern Mills, Inc. Flame resistant fabrics having cellulosic filament yarns
US20160060809A1 (en) * 2014-08-29 2016-03-03 Drifire, Llc Lightweight, arc-rated, dyeable fabrics

Patent Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2008027454A1 (en) * 2006-08-31 2008-03-06 Southern Mills, Inc. Flame resistant fabrics and garments made from same
US20120090080A1 (en) * 2009-05-19 2012-04-19 Southern Mills, Inc. Flame Resistant Fabric With Anisotropic Properties
US20110250810A1 (en) * 2010-04-08 2011-10-13 E.I. Du Pont De Nemours And Company Crystallized meta-aramid blends for flash fire and arc protection having improved comfort
US20130055491A1 (en) * 2011-09-02 2013-03-07 E. I. Du Pont De Nemours And Company High moisture regain yarn, fabrics, and garments having superior arc protection
US20140026303A1 (en) * 2012-07-27 2014-01-30 E I Du Pont De Nemours And Company Fiber blends, yarns, fabrics, and garments for arc and flame protection
WO2014025601A1 (en) * 2012-08-10 2014-02-13 Mmi-Ipco, Llc Flame resistant fiber blends and flame resistant yarns, fabrics, and garments formed thereof
US20140261852A1 (en) * 2013-03-13 2014-09-18 Springfield Llc Flame-Resistant Fiber Blend, Yarn, and Fabric, and Method for Making Same
WO2016033593A1 (en) * 2014-08-29 2016-03-03 Southern Mills, Inc. Flame resistant fabrics having cellulosic filament yarns
US20160060809A1 (en) * 2014-08-29 2016-03-03 Drifire, Llc Lightweight, arc-rated, dyeable fabrics

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