EP3480349B1 - Modacrylic, lyocell, and nylon blended flame-retardant fabric - Google Patents

Modacrylic, lyocell, and nylon blended flame-retardant fabric Download PDF

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Publication number
EP3480349B1
EP3480349B1 EP17852070.6A EP17852070A EP3480349B1 EP 3480349 B1 EP3480349 B1 EP 3480349B1 EP 17852070 A EP17852070 A EP 17852070A EP 3480349 B1 EP3480349 B1 EP 3480349B1
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EP
European Patent Office
Prior art keywords
modacrylic
nylon
fabric
flame
lyocell
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Active
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EP17852070.6A
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German (de)
English (en)
French (fr)
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EP3480349A1 (en
EP3480349A4 (en
Inventor
Biao AN
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Kaneka Trading Shanghai Co Ltd
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Kaneka Trading Shanghai Co Ltd
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    • 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
    • D03—WEAVING
    • D03D—WOVEN FABRICS; METHODS OF WEAVING; LOOMS
    • D03D13/00—Woven fabrics characterised by the special disposition of the warp or weft threads, e.g. with curved weft threads, with discontinuous warp threads, with diagonal warp or weft
    • D—TEXTILES; PAPER
    • D03—WEAVING
    • D03D—WOVEN FABRICS; METHODS OF WEAVING; LOOMS
    • D03D13/00—Woven fabrics characterised by the special disposition of the warp or weft threads, e.g. with curved weft threads, with discontinuous warp threads, with diagonal warp or weft
    • D03D13/008—Woven fabrics characterised by the special disposition of the warp or weft threads, e.g. with curved weft threads, with discontinuous warp threads, with diagonal warp or weft characterised by weave density or surface weight
    • 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
    • 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
    • D10B2201/22—Cellulose-derived artificial fibres made from cellulose solutions
    • 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
    • D10B2201/22—Cellulose-derived artificial fibres made from cellulose solutions
    • D10B2201/24—Viscose
    • 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
    • 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

Definitions

  • the present invention relates to the field of labor protection in chemicals, electric power, mining, shipbuilding, metallurgy, textiles and other industries, in particular to a flame-retardant fabric.
  • the blended fabric of modacrylic and non-flame retardant cotton fibers in a certain ratio has permanent flame retardancy.
  • both the after-flame time and the smoldering time of the fabric can be controlled to less than 2 seconds to meet the specified requirements.
  • the after-flame time can be controlled within 2 seconds by controlling the ratios and gram weights of fibers, but it is difficult to control the smoldering time within 5 seconds or 2 seconds.
  • the modacrylic belongs to gas phase flame retardancy to hinder the contact between oxygen and the non-flame retardant fibers and retard the burning of the non-flame retardant fibers.
  • the smoldering time of some non-flame retardant fibers may exceed 2 seconds, or the carbonized part may continue to glow due to the heat preservation effect, which is likely to be confused with the smoldering state and counted as the smoldering time to be unfavorable for the determination of flame retardancy of the fabric.
  • the conventional method is to add 20-30% of expensive phosphorus-based flame-retardant viscose or perform post flame-retardant processing on the fabric, so the cost of the fabric is relatively high.
  • US 2014/0261852 A1 discloses a modacrylic-lyocell-nylon blended flame-retardant fabric consisting of 45% modacrylic (Protex M), 45% lyocell (Tencel), and 10% nylon.
  • the fabric of Sample 1 has a GSM of about 214 g/m2 (6.3 osy).
  • US 2013/0212790 A1 discloses a fibre blend comprising 45% to 55% by weight of modacrylic (Protex); 10% to 20% by weight of natural cotton; 25% to 35% by weight of FR viscose; trace to 7% by weight nylon; and trace to 5% by weight of a carbon based antistatic material.
  • WO 2016/033593 A1 discloses a spun yarn having a blend of 50% modacrylic (PROTEX C), 35% lyocell (TENCEL A100), 10% nylon, and 5% para-aramid (TWARON).
  • An exemplary fiber blend disclosed in WO 2008/027454 A1 is composed of 50% modacrylic fibers, 30% lyocell fibers, 10% para-aramid fibers, and 10% nylon fibers.
  • the technical problem to be solved by the present invention is to provide a modacrylic-lyocell-nylon blended flame-retardant fabric.
  • Yarns of a modacrylic-lyocell-nylon blended flame-retardant fabric contain modacrylic, lyocell and nylon with a mass ratio of:
  • the mass ratio of each of modacrylic, lyocell and nylon in the modacrylic-lyocell-nylon blended flame-retardant fabric is:
  • the modacrylic-lyocell-nylon blended flame-retardant fabric according to the present invention has a fabric weight of 185-221 grams per square meter.
  • the smoldering time of the modacrylic-lyocell-nylon blended flame-retardant fabric according to the present invention is not more than 2 seconds under the vertical burning test in accordance with GB/T 5455-2014.
  • the after-flame time of the modacrylic-lyocell-nylon blended flame-retardant fabric according to the present invention is 0 seconds under the vertical burning test in accordance with GB/T 5455-2014.
  • Two yarns are woven to the same position of the modacrylic-lyocell-nylon blended flame-retardant fabric according to the present invention every 5 mm in the warp and weft directions respectively to form gridded reinforcing ribs.
  • the modacrylic is a fiber generally obtained by spinning a copolymer of vinyl chloride or/and vinylidene chloride with 35-85% of acrylonitrile monomer.
  • the fiber itself has natural flame retardancy, and in order to further improve the flame retardancy of the fiber, an antimony oxide accounting for 1-25% of the total mass of the fiber may be added.
  • the antimony oxide may be trivalent antimony oxide, tetravalent antimony oxide or pentavalent antimony oxide, or a mixture of two or three.
  • KANEKA's PROTEX-C type fibers are used in the examples and comparative examples.
  • the lyocell used in the examples and comparative examples of the present invention is Austrian Lenzing TENCEL fiber and Shanghai Rio bamboo fiber.
  • the lyocell is a cellulosic fiber mainly spun from wood pulp or bamboo pulp by a special physical method, rather than a chemical method.
  • the commercial lyocell mainly includes Lenzing's TENCEL made from wood pulp and Shanghai Rio's Rio bamboo fiber made from bamboo pulp.
  • nylon fibers used in the present invention are commercially available nylon 6 or nylon 66 fibers.
  • a modacrylic-lyocell-nylon blended flame-retardant fabric consists of the following fibers in percentage by mass:
  • the above fabric has a gram weight of 218 grams per square meter.
  • a modacrylic-lyocell-nylon blended flame-retardant fabric consists of the following fibers in percentage by mass:
  • the above fabric has a gram weight of 220 grams per square meter.
  • a modacrylic-lyocell-nylon blended flame-retardant fabric consists of the following fibers in percentage by mass:
  • the above fabric has a gram weight of 224 grams per square meter.
  • a modacrylic-lyocell-nylon blended flame-retardant fabric consists of the following fibers in percentage by mass:
  • the above fabric has a gram weight of 221 grams per square meter.
  • a modacrylic-lyocell-nylon blended flame-retardant fabric consists of the following fibers in percentage by mass:
  • the above fabric has a gram weight of 219 grams per square meter.
  • a modacrylic-lyocell-nylon blended flame-retardant fabric consists of the following fibers in percentage by mass:
  • the above fabric has a gram weight of 217 grams per square meter.
  • a modacrylic-lyocell-nylon blended flame-retardant fabric consists of the following fibers in percentage by mass:
  • the above fabric has a gram weight of 220 grams per square meter.
  • a modacrylic-lyocell-nylon blended flame-retardant fabric consists of the following fibers in percentage by mass:
  • the above fabric has a gram weight of 223 grams per square meter.
  • a modacrylic-lyocell-nylon blended flame-retardant fabric consists of the following fibers in percentage by mass:
  • the above fabric has a gram weight of 185 grams per square meter.
  • a modacrylic-lyocell-nylon blended flame-retardant fabric consists of the following fibers in percentage by mass:
  • the above fabric has a gram weight of 203 grams per square meter.
  • a modacrylic-lyocell-nylon blended flame-retardant fabric consists of the following fibers in percentage by mass:
  • the above fabric has a gram weight of 237 grams per square meter.
  • a modacrylic-lyocell-nylon blended flame-retardant fabric consists of the following fibers in percentage by mass:
  • the above fabric has a gram weight of 281 grams per square meter.
  • a modacrylic-lyocell-nylon blended flame-retardant fabric consists of the following fibers in percentage by mass:
  • the above fabric has a gram weight of 315 grams per square meter.
  • a modacrylic-lyocell-nylon blended flame-retardant fabric consists of the following fibers in percentage by mass:
  • the above fabric has a gram weight of 338 grams per square meter.
  • Examples 4 to 6, 9 and 10 are examples of the composition of the present invention, and all variable compositions within the scope of the present invention fall into the protection scope of the present invention.
  • Examples 1-8 36/2 double yarns, the weave diagram is shown in FIG. 2 .
  • the warp and weft density is 102/62. There are 21 warps per 5 mm wide, and 2 yarns are filled to the 20 th warp. There are 13 long wefts per 5 mm, and 2 yarns are filled to the L th weft.
  • Example 9 40/2 double yarns, the weave diagram is shown in FIG. 4 .
  • the warp and weft density is 90/62.
  • Example 10 40/2 double yarns, the weave diagram is shown in FIG. 2 .
  • the warp and weft density is 102/62.
  • Example 11 32/2 double yarns, the weave diagram is shown in FIG. 5 .
  • the warp and weft density is 100/60.
  • Example 12 20/2 double yarns, the weave diagram is shown in FIG. 6 .
  • the warp and weft density is 68/46.
  • Example 13 10/1 single yarn, the weave diagram is shown in FIG. 7 .
  • the warp and weft density is 80/46.
  • Example 14 8/1 single yarn, the weave diagram is shown in FIG. 8 .
  • the warp and weft density is 64/46.
  • Fabric weave interweaving of warps and wefts.
  • the basic weave diagram is the smallest cycle.
  • FIG. 1 is a basic weave diagram of a 2/1 right twill. 1-3 are three warps, A-C are three wefts, the shadows indicate that the warps are on the wefts, and the non-shadows indicate that the wefts are on the warps.
  • the right twill indicates that the upper warps are moved to the upper right corner on the whole.
  • 102X62 indicates that the warp density is 102 yarns/1 inch, and the weft density is 62 yarns/1 inch.
  • 8/1 (cotton count single yarn) indicates that a pound of cotton yarns has 18 lengths of 840 yards under conventional moisture regain. It is a unit for measuring the thickness of a yarn. If the value is larger, the yarn is thinner. /1 indicates a single yarn that has not been twisted.
  • 10/1 (cotton count single yarn) indicates that a pound of cotton yarns has 10 lengths of 840 yards under conventional moisture regain. It is a unit for measuring the thickness of a yarn. If the value is larger, the yarn is thinner. /1 indicates a single yarn that has not been twisted.
  • 20/2 (cotton count double yarn) indicates that a pound of cotton yarns has 20 lengths of 840 yards under conventional moisture regain. It is a unit for measuring the thickness of a yarn. If the value is larger, the yarn is thinner. /2 indicates a twisted yarn of two single yarns.
  • 32/2 (cotton count double yarn) indicates that a pound of cotton yarns has 32 lengths of 840 yards under conventional moisture regain. It is a unit for measuring the thickness of a yarn. If the value is larger, the yarn is thinner. /2 indicates a twisted yarn of two single yarns.
  • 36/2 (cotton count double yarn) indicates that a pound of cotton yarns has 36 lengths of 840 yards under conventional moisture regain. It is a unit for measuring the thickness of a yarn. If the value is larger, the yarn is thinner. /2 indicates a twisted yarn of two single yarns.
  • 40/2 (cotton count double yarn) indicates that a pound of cotton yarns has 40 lengths of 840 yards under conventional moisture regain. It is a unit for measuring the thickness of a yarn. If the value is larger, the yarn is thinner. /2 indicates a twisted yarn of two single yarns.
  • Design of 5mmX5mm special ribbed grids of 2 yarns 2 yarns are manually filled to the place where 1 yarn should be filled every 5 mm in the latitude and longitude directions, so that the tearing strength of the fabric is improved by 10-20%.
  • the gram weight per square meter indicates the weight of the fabric per square meter. It is the sum of the masses of warps and wefts within one square meter of the fabric and is closely related to the warp density and the weft density.
  • a flame-retardant fabric consists of the following fibers in percentage by mass:
  • the above fabric has a gram weight of 223 grams per square meter.
  • a flame-retardant fabric consists of the following fibers in percentage by mass:
  • the above fabric has a gram weight of 224 grams per square meter.
  • a flame-retardant fabric consists of the following fibers in percentage by mass:
  • the above fabric has a gram weight of 221 grams per square meter.
  • a flame-retardant fabric consists of the following fibers in percentage by mass:
  • the above fabric has a gram weight of 220 grams per square meter.
  • a flame-retardant fabric consists of the following fibers in percentage by mass:
  • the above fabric has a gram weight of 225 grams per square meter.
  • a flame-retardant fabric consists of the following fibers in percentage by mass:
  • the above fabric has a gram weight of 219 grams per square meter.
  • a flame-retardant fabric consists of the following fibers in percentage by mass:
  • the above fabric has a gram weight of 223 grams per square meter.
  • a flame-retardant fabric consists of the following fibers in percentage by mass:
  • the above fabric has a gram weight of 354 grams per square meter.
  • a flame-retardant fabric consists of the following fibers in percentage by mass:
  • the above fabric has a gram weight of 175 grams per square meter.
  • a flame-retardant fabric consists of the following fibers in percentage by mass:
  • the above fabric has a gram weight of 222 grams per square meter.
  • a flame-retardant fabric consists of the following fibers in percentage by mass:
  • the above fabric has a gram weight of 219 grams per square meter.
  • Comparative Examples 1-7, 10 and 11 36/2 double yarns, the weave diagram is shown in FIG. 2 .
  • the warp and weft density is 102/62.
  • Comparative Example 8 8/1 single yarn, the weave diagram is shown in FIG. 9 .
  • the warp and weft density is 70/46.
  • Comparative Example 9 40/2 double yarns, the weave diagram is shown in FIG. 3 .
  • the warp and weft density is 84/62.
  • Examples 1-14 of the present invention and Comparative Examples 1-11 are subjected to vertical burning tests in accordance with GB/T 5455-2014 to measure the after-flame and smoldering time.
  • Example 1 shows tested after-flame time and smoldering time. Examples 1-3, 7-8, and 11-14 do not fall under the present invention. Table 1 After-flame time and smoldering time After-flame time (s) Smoldering time (s) Example 1 0 3.1 Example 2 0 2.9 Example 3 0 3.3 Example 4 0 1.7 Example 5 0 1.9 Example 6 0 0.9 Example 7 0 1.3 Example 8 0.5 2.0 Example 9 0 0.8 Example 10 0 1.2 Example 11 0 3.2 Example 12 0 3.8 Example 13 0 4.4 Example 14 0 4.3 Comparative Example 1 0 10.2 Comparative Example 2 0 8.1 Comparative Example 3 0 9.4 Comparative Example 4 0 6.1 Comparative Example 5 3.1 Melted Comparative Example 6 4.5 Molten drops Comparative Example 7 0 8.3 Comparative Example 8 0 6.2 Comparative Example 9 Burnt through Burnt through Comparative Example 10 0 8.1 Comparative Example 11 0 7.5
  • Example 1 218 70% 20% 10% 3.1
  • Example 2 220 70% 20% 10 % 2.9
  • Example 3 224 70% 20% 10 % 3.3
  • Example 4 221 65% 20% 15 % 1.7
  • Example 5 219 60% 35% 5% 1.9
  • Example 6 217 55% 35% 10 % 0.9
  • Example 7 220 50% 30% 10 % 10% 1.3
  • Example 8 223 40% 52% 8% 2.0
  • Example 9 185 55% 35% 10 % 0.8
  • Example 10 203 55% 35% 10 % 1.2
  • Example 11 237 55% 35% 10 % 3.2
  • Example 12 281 55% 35% 10 % 3.8
  • Example 13 315 55% 35% 10 % 4.4
  • Example 14 338 55% 35% 10 % 4.3 Comparative Example 8 354 55% 35% 10 %
  • Examples 11 and 12 do not fall under the present invention.
  • Table 5 Gram weight per square meter Modacrylic Lenzing TENCEL Nylon 66 Smoldering time g/m2 1.7X38 1.5X38 1.67X3 8 (s)
  • Example 9 185 55% 35% 10% 0.8
  • Example 10 203 55% 35% 10% 1.2
  • Example 11 237 55% 35% 10% 3.2
  • Example 12 281 55% 35% 10% 3.8
  • Example 13 315 55% 35% 10% 4.4
  • Example 14 338 55% 35% 10% 4.3 (6)
  • the fabric that is burnt through during the burning test is determined as non-flame retardant, as shown in Table 6.
  • Example 7 not falling under the present invention
  • Table 8 Gram weight per square meter Modacr ylic Lenzing TENCEL Nylon 66 Polyim ide Smoldering time g/m 2 1.7X38 1.5X38 1.67X 38 2.2X5 1 (s)
  • Example 7 220 50% 30% 10% 10% 1.3
  • Comparative Example 7 223 50% 40% 10% 8.3 (9)
  • the content of nylon exceeds 15%, the fabric that is melted or has molten drops during the burning test is determined as non-flame retardant, as shown in Table 9.
  • Table 12 shows conventional prices on the market.
  • Table 12 Fiber name Specification Unit price of fiber Yuan/kg Modacrylic 1.7X38 65 Lenzing's phosphorus-based flame-retardant viscose 1.5X38 105 Lenzing TENCEL 1.5X38 22 Rio bamboo fiber 1.67x38 45 Nylon 6 1.67X38 25 Nylon 66 1.67X38 30 Polyimide 2.2X51 205
  • the cost of raw materials will not increase, but the processing cost correspondingly increases, and at the same time, when the post flame-retardant treatment is performed, the color of the fabric changes to a certain extent, the physical properties also decrease to a certain extent, and the problems about health, sanitation and environment friendliness such as formaldehyde are also caused.
  • the processing fee of the conventional post flame-retardant treatment is 6 yuan/m. If the processing cost is 4 yuan/m, the processing cost increases greatly. The specific values are shown in Table 14. Examples 1-3, 7-8, and 11-14 do not fall under the present invention.
  • the processing cost increases 21.23-31.58% relative to the raw material cost before post flame-retardant treatment. It can also be proven that the solution of the present invention is economical.
  • the fabric of the present invention is made by effective blending of modacrylic, lyocell and nylon.
  • the modacrylic is a fiber generally obtained by spinning a copolymer of vinyl chloride or/and vinylidene chloride with 35-85% of acrylonitrile monomer.
  • the fiber itself has natural flame retardancy, and in order to further improve the flame retardancy of the fiber, an antimony oxide accounting for 1-25% of the total mass of the fiber may be added.
  • the lyocell is a cellulosic fiber mainly spun from wood pulp or bamboo pulp by a special physical method rather than a chemical method.
  • the nylon fibers used in the present invention are conventional nylon 6 or nylon 66 fibers.
  • the after-flame time of the fabric of the present invention can be controlled to be 0 seconds under the test condition of GB/T 5455, and the smoldering time can be controlled within 2 seconds under the test condition of GB ⁇ T 5455. Since the fabric of the present invention does not use expensive phosphorus-based flame-retardant viscose and does not require post flame-retardant treatment, the cost of the fabric is relatively low. Hence, the fabric provided by the present invention has a significant flame-retardant effect and good industrial applicability.

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  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Woven Fabrics (AREA)
  • Artificial Filaments (AREA)
  • Compositions Of Macromolecular Compounds (AREA)
EP17852070.6A 2016-09-26 2017-02-20 Modacrylic, lyocell, and nylon blended flame-retardant fabric Active EP3480349B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN201610852505.XA CN106435951B (zh) 2016-09-26 2016-09-26 变性腈纶莱赛尔纤维尼龙混纺阻燃织物
PCT/CN2017/074134 WO2018053990A1 (zh) 2016-09-26 2017-02-20 变性腈纶莱赛尔纤维尼龙混纺阻燃织物

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EP3480349A4 EP3480349A4 (en) 2019-09-04
EP3480349B1 true EP3480349B1 (en) 2023-06-07

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US11905630B2 (en) 2019-02-22 2024-02-20 Jess Black Inc. Fire-resistant double-faced fabric of knitted construction
CN116249805A (zh) * 2020-09-28 2023-06-09 株式会社钟化 阻燃性布帛及采用其的防护服
CN112941692B (zh) * 2021-01-30 2022-12-02 上海安凸塑料添加剂有限公司 一种碳纤维预氧丝锦纶混纺纱及其应用
WO2024005644A1 (en) * 2022-06-30 2024-01-04 Daletec As Flame retardant fabric and apparel

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CN106435951A (zh) 2017-02-22
CN107700038A (zh) 2018-02-16
EP3480349A4 (en) 2019-09-04

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