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WO2018153844A1 - Géotextile et vêtement de travail fabriqué à partir de celui-ci - Google Patents

Géotextile et vêtement de travail fabriqué à partir de celui-ci Download PDF

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Publication number
WO2018153844A1
WO2018153844A1 PCT/EP2018/054117 EP2018054117W WO2018153844A1 WO 2018153844 A1 WO2018153844 A1 WO 2018153844A1 EP 2018054117 W EP2018054117 W EP 2018054117W WO 2018153844 A1 WO2018153844 A1 WO 2018153844A1
Authority
WO
WIPO (PCT)
Prior art keywords
staple fibers
textile fabric
aramid
poly
lactic acid
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.)
Ceased
Application number
PCT/EP2018/054117
Other languages
English (en)
Inventor
Regine Zumloh-Nebe
Jutta Krabbe
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.)
Teijin Aramid GmbH
Original Assignee
Teijin Aramid GmbH
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 Teijin Aramid GmbH filed Critical Teijin Aramid GmbH
Priority to ES18705409T priority Critical patent/ES2948636T3/es
Priority to JP2019546394A priority patent/JP7044798B2/ja
Priority to RU2019129085A priority patent/RU2753284C2/ru
Priority to EP18705409.3A priority patent/EP3585927B1/fr
Priority to CN201880018689.7A priority patent/CN110446805B/zh
Priority to KR1020197027063A priority patent/KR20190117668A/ko
Priority to KR1020237040937A priority patent/KR20230169408A/ko
Publication of WO2018153844A1 publication Critical patent/WO2018153844A1/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

Links

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
    • D02G3/02—Yarns or threads characterised by the material or by the materials from which they are made
    • D02G3/04—Blended or other yarns or threads containing components made from different materials
    • 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
    • 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
    • D02G3/02—Yarns or threads characterised by the material or by the materials from which they are made
    • D02G3/04—Blended or other yarns or threads containing components made from different materials
    • D02G3/047—Blended or other yarns or threads containing components made from different materials including aramid 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
    • 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
    • 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
    • D10B2331/04—Fibres made from polymers obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds, e.g. polycondensation products polyesters, e.g. polyethylene terephthalate [PET]
    • D10B2331/041—Fibres made from polymers obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds, e.g. polycondensation products polyesters, e.g. polyethylene terephthalate [PET] derived from hydroxy-carboxylic acids, e.g. lactones

Definitions

  • the present invention pertains to a textile fabric and workwear manufactured thereof.
  • Textile fabrics are known. This type of fabrics should especially be heat protective and should also exhibit sufficient mechanical properties, for example sufficient tear strength.
  • US 201 1 /0138523 A1 describes a heat, flame and electric arc protective for use as single layer of a protective garment for a wearer, the fabric comprising: interwoven warp and weft yarn wherein the warp and weft yarn comprises a blend of 8 to 33 wt.-% meta-aramid staple fibers, 65 to 90 wt.-% para-aramid staple fibers, and 2 wt.-% anti-static staple fibers, the weft yarn and warp yarn being identical and comprising the side of the fabric facing away from a wearer and the side of the fabric facing the wearer, wherein the fabric provides ablative thermal protection on both sides.
  • a fabric with a twill K 21 1 Z construction and with a grammage of 230 g/m 2 exhibits a tear resistance of the warp to be 67.87 N and of the weft to be 34.4 N, measured using the ISO 13937-1 :2000 test procedure.
  • EP 1740746 B1 describes a heat and flame resistant fabric for use as single or outer layer of protective garments. This fabric comprises fibers with a blend of 60 to 90 wt.-% of meta-aramid staple fibers and 5 to 40 wt.-% of para-aramid fibers. This fabric does not comprise polylactide staple fibers.
  • WO 02/40755 A2 describes a fire resistant corespun yarn comprising a core of high temperature resistant continuous inorganic filaments and a first and a second sheath of staple fibers.
  • the first sheath comprises natural and synthetic staple fibers with at least one fire retardant fiber.
  • the staple fibers of the second sheath are selected from natural staple fibers or synthetic staple fibers.
  • WO 02/40755 A2 is silent about a blend of meta-aramid staple fibers and para-aramid staple fibers with poly lactic acid staple fibers.
  • a staple fiber composition DuPontTM Nomex ® IMA is known consisting of 93 % Nomex ® m-aramid staple fibers, 5 % Kevlar ® p-aramid staple fibers, and 2 % antistatic staple fibers.
  • a fabric made of the staple fiber composition DuPontTM Nomex ® IMA meets the NFPA 1975 standard for firefighters' station wear and is resistant to abrasion and tears.
  • the problem underlying the present invention is to provide a fabric which exhibits higher tear strength and higher wear comfort in garments, especially workwear made thereof.
  • Said problem is solved by a textile fabric comprising a staple fiber yarn made of a staple fiber blend, wherein the blend comprises meta-aramid staple fibers, para- aramid staple fibers, and poly lactic acid staple fibers.
  • the textile fabric according to the invention exhibits a higher resistance against abrasion and tear than a comparative textile fabric made from a staple fiber yarn which was manufactured from a staple fiber mixture consisting of meta-aramid staple fibers, para-aramid staple fibers and antistatic staple fibers. So, a garment comprising the textile fabric according to the invention can be worn for a longer time before it becomes damaged.
  • the higher values for resistance to abrasion and tear of the textile fabric according to the invention can be obtained with a lower grammage of the textile fabric, if compared with the grammage of a comparative textile fabric made of a staple fiber yarn which was manufactured from a staple fiber mixture consisting of meta-aramid staple fibers, para-aramid staple fibers and antistatic staple fibers.
  • a garment comprising the textile fabric according to the invention can be worn with a higher wear comfort than a garment comprising the
  • a garment comprising the textile fabric according to the invention wherein the grammage of the textile fabric is increased to the value of the grammage of the comparative textile fabric, can be worn with the same wear comfort as the garment comprising the comparative textile fabric but for an even longer time, because the resistance of the garment with the textile fabric of the invention to abrasion and tear is even more increased.
  • the textile fabric according to the present invention surprisingly fulfills the minimum requirements in terms of radiant heat, convective heat, and contact heat.
  • the poly lactic acid component of the textile fabric can be fully recycled, because poly lactic acid is fully biodegradable resulting in compost.
  • the compost can be used as substrate to grow corn.
  • the corn can be fermented to lactic acid which can be polymerized to poly lactic acid from which poly lactic acid staple fibers can be manufactured. Therefore, the textile fabric according to the invention contains a renewable component.
  • staple fibers means fibers of limited length obtained from cutting or breaking a filament yarn.
  • metal-aramid staple fibers means staple fibers obtained from cutting or breaking a meta-aramid filament yarn
  • metal-aramid means a polymer obtained by the polycondensation of a meta-oriented aromatic diamine and a meta-oriented dicarboxylic acid halide, wherein said polymer exhibits recurring units having amide bonds, and preferably at least 85 % of said amide bonds are located in the meta-oriented positions of the aromatic ring.
  • para-aramid staple fibers means staple fibers obtained from cutting or breaking a para-aramid filament yarn
  • para-aramid means a polymer obtained by the polycondensation of a para-oriented aromatic diamine and a para-oriented dicarboxylic acid halide of which recurring units have amide bonds, and preferably at least 65 %, more preferably at least 95 % and even more preferably at least 99 %, and most preferred 100 % of said amide bonds are located in the para-oriented positions of the aromatic ring.
  • aramid staple fibers means staple fibers obtained from cutting or breaking an aramid filament yarn.
  • aramid means a polymer, wherein aromatic moieties are connected to one another by amide bonds.
  • aramid are synthesized by poly-condensation of aromatic diamines with aromatic dihalides.
  • Aramid includes meta-aramid, para-aramid and aramid-copolymers such as copolymer [co-poly-(paraphenylene/3,4'- oxydiphenylene terephthalamide)] (Technora®).
  • poly lactic acid staple fibers means staple fibers obtained from cutting or breaking a poly lactic acid filament yarn
  • poly lactic acid means a polymer having lactide recurring units and, therefore, is also called “polylactide”.
  • staple fiber blend means an intimate mixture of the meta-aramid staple fibers, the para-aramid staple fibers, and the poly lactic acid staple fibers so that in each volume element of the staple fiber blend the same weight ratio of para-aramid staple fibers to meta-aramid staple fibers to poly lactic acid staple fibers is present.
  • Said intimate mixture may for example be obtained by intermingling the meta-aramid staple fibers, the para- aramid staple fibers, and the poly lactic acid staple fibers in air.
  • staple fiber yarn means a yarn which has been manufactured from the staple fiber blend of the meta-aramid staple fibers, the para-aramid staple fibers, and the poly lactic acid staple fibers, by any known method to produce a staple fiber yarn, for example by ring spinning, or by open-end spinning such as air-jet spinning.
  • textile fabric means a blend of staple fibers spun to yarns which are arranged in a certain fabric structure.
  • the blend comprises at most 95 % of aramid staple fibers, preferably at most 90 % of aramid staple fibers, more preferably at most 80 % of aramid staple fibers, or at most 70 % of aramid staple fibers with respect to a weight of the blend.
  • the blend comprises at least 40 % of meta-aramid staple fibers, preferably at least 50 % meta-aramid staple fibers and more preferably at least 60 % of meta-aramid staple fibers with respect to a weight of the blend.
  • the blend comprises at most 85 % of meta-aramid staple fibers, more preferably at most 75 % meta-aramid staple fibers or at most 65 % of meta-aramid staple fibers with respect to a weight of the blend.
  • the blend comprises at least 10 % of para-aramid staple fibers, preferably at least 20 % para-aramid staple fibers and more preferably at least 30 % of para-aramid staple fibers with respect to a weight of the blend.
  • the blend comprises at most 50 % of para-aramid staple fibers, more preferably at most 40 % para-aramid staple fibers or at most 35 % of para-aramid staple fibers with respect to a weight of the blend.
  • the blend comprises at least 10 % of poly lactic acid staple fibers, preferably at least 15 % poly lactic acid staple fibers and more preferably at least 20 % of poly lactic acid staple fibers with respect to a weight of the blend.
  • the blend comprises at most 35 % of poly lactic acid staple fibers, more preferably at most 30 % poly lactic acid staple fibers or at most 25 % of poly lactic acid staple fibers with respect to a weight of the blend.
  • the term "staple fibers” means fibers of limited length obtained from cutting or breaking a filament yarn. If the staple fibers are obtained by breaking, the staple fibers exhibit a length distribution which is characteristic for the breaking technology which was applied, e.g., stretch-breaking.
  • the staple fibers are obtained by cutting a filament yarn into a unitary length which is preset in the used cutting device. This results in staple fibers which have a unitary length.
  • the meta-aramid staple fibers have a unitary length of 30 to 140 mm
  • the para-aramid staple fibers have a unitary length of 30 to 140 mm
  • the poly lactic acid staple fibers have a unitary length of 30 to 140 mm.
  • the meta-aramid staple fibers have a unitary length of 30 to 130 mm
  • the para-aramid staple fibers have a unitary length of 30 to 130 mm
  • the poly lactic acid staple fibers have a unitary length of 30 to 130 mm.
  • the meta-aramid staple fibers have a unitary length of 30 to 120 mm
  • the para-aramid staple fibers have a unitary length of 30 to 120 mm
  • the poly lactic acid staple fibers have a unitary length of 30 to 120 mm.
  • the meta-aramid staple fibers have a linear density of 0.8 to 7 dtex
  • para-aramid staple fibers have a linear density of 0.8 to 7 dtex
  • poly lactic acid staple fibers have a linear density of 0.8 to 7 dtex
  • the meta-aramid staple fibers have a linear density of 0.8 to 6 dtex
  • the para-aramid staple fibers have a linear density of 0.8 to 6 dtex
  • the poly lactic acid staple fibers have a linear density of 0.8 to 6 dtex.
  • the meta-aramid staple fibers have a linear density of 0.8 to 5 dtex
  • the para-aramid staple fibers have a linear density of 0.8 to 5 dtex
  • the poly lactic acid staple fibers have a linear density of 0.8 to 5 dtex.
  • the blend additionally comprises up to 5 wt.-%, preferably from 0 to 4 wt.-% and most preferred from 0 to 3 wt.-% of antistatic staple fibers with respect to a weight of the blend.
  • the antistatic staple fibers comprise polyester, carbon or steel or mixtures thereof as the antistatic fiber forming polymer.
  • the antistatic staple fibers have a length of 30 to 140 mm, and a linear density of 0.8 to 7 dtex.
  • the antistatic staple fibers have a length of 30 to 130 mm and a linear density of 0.8 to 6 dtex.
  • the antistatic staple fibers have a length of 30 to 120 mm and a linear density of 0.8 to 5 dtex.
  • the meta-aramid staple fibers comprised by the staple fiber blend exhibit a crimp with a crimp value which preferably ranges from 2 to 13 crimps per cm, more preferably from 3 to 10 crimps per cm.
  • the para-aramid staple fibers comprised by the staple fiber blend exhibit a crimp with a crimp value which preferably ranges from 2 to 13 crimps per cm, more preferably from 3 to 10 crimps per cm.
  • the poly lactic acid staple fibers comprised by the staple fiber blend exhibit a crimp with a crimp value which preferably ranges from 3 to 13 crimps per cm, more preferably from 5 to 10 crimps per cm.
  • the staple fibers comprised by the staple fiber blend including aramid staple fibers, exhibit a crimp value of 2 to 13 crimps per cm, preferably a crimp value of 3 to 10 crimps per cm and poly lactic acid staple fibers, exhibit a crimp value of 3 to 13 crimps per cm, preferably a crimp value of 4 to 10 crimps per cm.
  • the meta-aramid staple fibers are poly(meta-phenylene isophthalamide) staple fibers which preferably have been spun from a solution comprising poly(meta- phenylene isophthalamide) in dimethyl acetamide
  • the para-aramid staple fibers are poly-(p-phenylene terephthalamide) staple fibers or poly(p-phenylene-3,4'- oxydiphenylene terephthalamide) staple fibers
  • the poly lactic acid staple fibers are poly-L-lactic acids staple fibers or poly-D-lactic acid staple fibers or staple fibers made of a racemic mixture of poly-L-lactic acid and poly-D-lactic acid or staple fibers made of a stereo complex of poly-L-lactic acid and poly-D-lactic acid .
  • Stereo complex formation of polylactides occurs due to non-covalent interactions of enantiomeric chains of poly-L-lactic acid (PLLA) and poly-D-lactic acid (PDLA) and results in higher thermal stability.
  • PLLA poly-L-lactic acid
  • PDLA poly-D-lactic acid
  • the PLLA and PDLA are arranged alternatively in the stereo complex to form a crystal structure.
  • the yarn is manufactured from the blend by ring spinning or air jet spinning.
  • the textile fabric according to the present invention may in principle be any network of fibers which are arranged in a certain fabric structure and which is suited to form a garment.
  • the textile fabric according to the present invention is a woven or knitted textile fabric.
  • the textile fabric according to the present invention has a twill or plain weave construction. It is also preferred that the textile fabric according to the invention has a twill or plain weave construction comprises at least one warp system and at least one weft system, and the at least one warp system and the at least one weft system comprise yarns with the same blend of staple fibers or yarns with different blends of staple fibers.
  • the textile fabric according to the present invention has a grammage of 50 to 400 g/m 2 , more preferred 80 to 380 g/m 2 , and most preferred 100 to 350 g/m 2 .
  • the advantageous properties of the textile fabric according to the present invention transform themselves to a garment which is manufactured using said textile fabric.
  • a garment comprises at least one textile fabric according to the invention. Due to the improved abrasion resistance and pilling resistance, such garments are especially suited for workwear. Therefore, the use of said textile fabric to manufacture workwear is also part of the present invention.
  • An intimate staple fiber blend consisting of
  • poly(p-phenylenterephthalamide) staple fibers of Type Twaron 1070 having a length of 40 mm, a linear density of 1 .7 dtex, and a crimp value of 4 to 8 crimps per cm.
  • poly(m-phenylenisophthalamide) staple fibers of Type TeijinConex T BL1 which have been spun from a solution comprising poly(meta-phenylene isophthalamide) in dimethyl acetamide having a length of 50 mm and
  • poly lactic acid staple fibers "ingeo" obtained from RMB fibers AG (CH) having a length of 38 mm, a linear density of 1 .5 dtex, a tenacity of
  • step a From the staple fiber blend which resulted in step a) two Nm 40/1 staple fiber yarns were manufactured. Said two Nm 40/1 staple fiber yarns were twisted to result in a Nm 40/2 twisted staple fiber yarn. c) Manufacturing of a woven fabric (Example 1)
  • a woven fabric was manufactured having the construction 21 1 Z according to DIN EN ISO 721 1 -1 , i.e., a twill weave exhibiting two lifts and one lowering in Z-direction, wherein both the warp threads and the weft threads consist of the staple fiber yarn which resulted in step b).
  • the textile fabric consists of warp threads with a thread density of 191 threads/10 cm and of weft threads with a thread density of 182 threads/10 cm. The thread density was determined according to DIN EN ISO 1049-2.
  • the grammage of the woven fabric amounts to 202 g/m 2 and was determined according to DIN EN ISO 12127.
  • a comparative staple fiber blend obtained from DuPont (USA) under the trade name Nomex® MIA was provided consisting of
  • poly(p-phenylenterephthalamide) DuPontTM Kevlar® staple fibers having a unitary length of 50 mm, a linear density of 1 .7 dtex,
  • step a From the Nomex® IMA staple fiber mixture provided in step a) one Nm 60/1 staple fiber yarn and one Nm 60/1 staple fiber yarn were manufactured. Said two staple fiber yarns were twisted to result in a comparative Nm 60/2 twisted staple fiber yarn. c) Manufacturing of a comparative woven fabric (CE1)
  • a comparative textile fabric was manufactured having the construction 21 1 Z according to DIN EN ISO 721 1 -1 , i.e., a twill weave exhibiting two lifts and one lowering in Z-direction, wherein both the warp threads and the weft threads consist of the comparative twisted staple fiber yarn which resulted in step b).
  • the textile fabric consists of warp threads with a thread density of 386 threads/10 cm and of weft threads with a thread density of 244 threads/10 cm.
  • the thread density was determined according to DIN EN ISO 1049-2.
  • the grammage of the comparative textile fabric amounts to 225 g/m 2 and was determined according to
  • a comparative staple fiber blend consisting of
  • poly(p-phenylenterephthalamide) staple fibers of Type Twaron 1072 having a length of 50 mm, a linear density of 1 .7 dtex, and a crimp value of 4 to 9 crimps per cm and
  • poly(m-phenylenisophthalamide) staple fibers of Type TeijinConex YE5 which have been spun from a solution comprising poly(meta-phenylene isophthalamide) in dimethyl acetamide having a length of 50 mm and a linear density of 1 .7 dtex, and a crimp value of 3 to 7 crimps per cm was manufactured by intimately blending the above staple fibers with the above weight percentages.
  • the manufacturing process b) of the staple fiber yarns of CE 2 and the manufacturing process c) of the woven fabric of CE 2 is performed as for Comparative Example 1 (CE1 ).
  • the value of threads/1 Ocm of the woven fabric amounts to 188 warp-threads and 199 weft-threads and was determined according to DIN EN ISO 1049-2.
  • the grammage of the woven fabric amounts to 204 g/m 2 and was determined according to DIN EN ISO 12127.
  • a comparative staple fiber blend consisting of
  • poly(p-phenylenterephthalamide) staple fibers of Type Twaron 1072 having a length of 50 mm, a linear density of 1 .7 dtex, and a crimp value of 4 to 9 crimps per cm and
  • poly(m-phenylenisophthalamide) staple fibers of Type TeijinConex YE5 which have been spun from a solution comprising poly(meta-phenylene isophthalamide) in dimethyl acetamide having a length of 50 mm and a linear density of 1 .7 dtex, and a crimp value of 3 to 7 crimps per cm was manufactured by intimately blending the above staple fibers with the above weight percentages.
  • the value of threads/10cm of the woven fabric amounts to 188 warp-threads and 179 weft-threads and was determined according to DIN EN ISO 1049-2.
  • the grammage of the woven fabric amounts to 204 g/m 2 and was determined according to DIN EN ISO 12127.
  • Example 1 CE1 CE2 CE3 acc. to the
  • the properties of the woven fabric and of the comparative woven fabrics were determined as follows:
  • the radiant heat of the woven fabric according to the invention measured according to ISO 6942 and resulting in t 24 °c, 20kw m 2 [s] and t 24 °c, 4 okw/m 2 [s], i.e., the time in seconds after which on one side of the textile fabric a temperature increase of 24 °C is measured, wherein the textile fabric is arranged at a calibrated distance from a radiant heat source radiating with 20 kW/m 2 or
  • the contact heat of the woven fabric according to the invention measured according to ISO 12127 and resulting in the threshold time tt hre shoid [s], i.e., the time in seconds after which a calorimeter installed under the textile fabric in a certain distance measures a temperature increase of 10 °C, wherein the textile fabric is in contact with a drum having a temperature of 250 °C,
  • the abrasion resistance of the woven fabric according to the invention (120 000 cycles) is 33 % to 42 % higher than the abrasion resistance of the comparative woven fabric (70 000 to 80 000 cycles).
  • the warp tear resistance i.e., the warp tear strength of the woven fabric according to the invention (72.2 N) is 33 % higher than the warp tear strength of the comparative woven fabric (54.4 N), and the weft tear strength of the woven fabric according to the invention (75.9 N) is 39 % higher than the weft tear strength of the comparative woven fabric (54.7 N).
  • the higher resistances against tear and abrasion of the woven fabric according to the invention are obtained with a fabric grammage of 202 g/m 2 , i.e., with a fabric grammage that is 10 % lower than the fabric grammage of the comparative woven fabric (225 g/m 2 ).
  • the woven fabric according to the invention contains 10 wt.-% of poly lactic acid which is not intrinsically heat and flame resistant, the woven fabric according to the invention exhibits
  • Example 1 In Experiment 2 three woven fabrics (Example 1 according to the invention and Comparative Example 2 and 3) are tested to compare their properties.
  • CE3 is a comparative example similar to Example 1 . It contains a similar amount of para- aramid staple fibers and meta-aramid staple fibers, but no poly lactic acid staple fibers. The results are shown in table 3.
  • the abrasion resistance of the Example 1 according to the invention shows with 120 000 cycles a 50 % to 100 % higher value than the comparative woven fabrics (CE2: 60 000; CE3: 80 000 cycles).
  • the pilling resistance of Example 1 according to the invention is at least one level higher than the pilling resistance of CE2 and CE3 and at a higher number of cycles the difference between Example 1 and CE2 and CE3 becomes more apparent. In case of 5000 and 7000 cycles the difference is two levels.
  • the comparison of Example 1 with CE3 shows that the Example 1 with poly lactic acid staple fibers has a better pilling resistance and abrasion resistance.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Textile Engineering (AREA)
  • Woven Fabrics (AREA)
  • Yarns And Mechanical Finishing Of Yarns Or Ropes (AREA)
  • Professional, Industrial, Or Sporting Protective Garments (AREA)
  • Knitting Of Fabric (AREA)
  • Details Of Garments (AREA)

Abstract

L'invention concerne un géotextile comprenant un fil de fibres discontinues constitué d'un mélange de fibres discontinues, le mélange comprenant des fibres discontinues de méta-aramide, des fibres discontinues de para-aramide, et des fibres discontinues d'acide polylactique. Le géotextile est utilisé pour fabriquer un vêtement de travail.
PCT/EP2018/054117 2017-02-27 2018-02-20 Géotextile et vêtement de travail fabriqué à partir de celui-ci Ceased WO2018153844A1 (fr)

Priority Applications (7)

Application Number Priority Date Filing Date Title
ES18705409T ES2948636T3 (es) 2017-02-27 2018-02-20 Tejidos textiles y ropa de trabajo fabricada con los mismos
JP2019546394A JP7044798B2 (ja) 2017-02-27 2018-02-20 布地および該布地から製造された作業着
RU2019129085A RU2753284C2 (ru) 2017-02-27 2018-02-20 Текстильная ткань и произведенная из нее спецодежда
EP18705409.3A EP3585927B1 (fr) 2017-02-27 2018-02-20 Tissu textile et vêtements de travail fabriqués à partir de ce tissu
CN201880018689.7A CN110446805B (zh) 2017-02-27 2018-02-20 织物和由其制造的工作服
KR1020197027063A KR20190117668A (ko) 2017-02-27 2018-02-20 텍스타일 패브릭 및 이로 제조된 작업복
KR1020237040937A KR20230169408A (ko) 2017-02-27 2018-02-20 텍스타일 패브릭 및 이로 제조된 작업복

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
EP17158046.7 2017-02-27
EP17158046 2017-02-27

Publications (1)

Publication Number Publication Date
WO2018153844A1 true WO2018153844A1 (fr) 2018-08-30

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Application Number Title Priority Date Filing Date
PCT/EP2018/054117 Ceased WO2018153844A1 (fr) 2017-02-27 2018-02-20 Géotextile et vêtement de travail fabriqué à partir de celui-ci

Country Status (7)

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EP (1) EP3585927B1 (fr)
JP (1) JP7044798B2 (fr)
KR (2) KR20190117668A (fr)
CN (1) CN110446805B (fr)
ES (1) ES2948636T3 (fr)
RU (1) RU2753284C2 (fr)
WO (1) WO2018153844A1 (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPWO2021125195A1 (fr) * 2019-12-20 2021-06-24
US11359309B2 (en) 2018-12-21 2022-06-14 Target Brands, Inc. Ring spun yarn and method

Families Citing this family (2)

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