WO2020087503A1 - Complexe de polyélectrolyte soluble et procédé de finissage ignifuge de fibres protéiques en utilisant un complexe polyélectrolyte soluble - Google Patents

Complexe de polyélectrolyte soluble et procédé de finissage ignifuge de fibres protéiques en utilisant un complexe polyélectrolyte soluble Download PDF

Info

Publication number
WO2020087503A1
WO2020087503A1 PCT/CN2018/113697 CN2018113697W WO2020087503A1 WO 2020087503 A1 WO2020087503 A1 WO 2020087503A1 CN 2018113697 W CN2018113697 W CN 2018113697W WO 2020087503 A1 WO2020087503 A1 WO 2020087503A1
Authority
WO
WIPO (PCT)
Prior art keywords
flame
solution
chitosan
polyelectrolyte complex
retardant
Prior art date
Application number
PCT/CN2018/113697
Other languages
English (en)
Chinese (zh)
Inventor
程献伟
杨旭红
唐人成
关晋平
Original Assignee
南通纺织丝绸产业技术研究院
苏州大学
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 南通纺织丝绸产业技术研究院, 苏州大学 filed Critical 南通纺织丝绸产业技术研究院
Publication of WO2020087503A1 publication Critical patent/WO2020087503A1/fr

Links

Images

Classifications

    • D—TEXTILES; PAPER
    • D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06M—TREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
    • D06M15/00—Treating fibres, threads, yarns, fabrics, or fibrous goods made from such materials, with macromolecular compounds; Such treatment combined with mechanical treatment
    • D06M15/01—Treating fibres, threads, yarns, fabrics, or fibrous goods made from such materials, with macromolecular compounds; Such treatment combined with mechanical treatment with natural macromolecular compounds or derivatives thereof
    • D06M15/03—Polysaccharides or derivatives thereof
    • D—TEXTILES; PAPER
    • D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06M—TREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
    • D06M13/00—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with non-macromolecular organic compounds; Such treatment combined with mechanical treatment
    • D06M13/10—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with non-macromolecular organic compounds; Such treatment combined with mechanical treatment with compounds containing oxygen
    • D06M13/184—Carboxylic acids; Anhydrides, halides or salts thereof
    • D06M13/207—Substituted carboxylic acids, e.g. by hydroxy or keto groups; Anhydrides, halides or salts thereof
    • D—TEXTILES; PAPER
    • D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06M—TREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
    • D06M13/00—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with non-macromolecular organic compounds; Such treatment combined with mechanical treatment
    • D06M13/244—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with non-macromolecular organic compounds; Such treatment combined with mechanical treatment with compounds containing sulfur or phosphorus
    • D06M13/282—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with non-macromolecular organic compounds; Such treatment combined with mechanical treatment with compounds containing sulfur or phosphorus with compounds containing phosphorus
    • D06M13/292—Mono-, di- or triesters of phosphoric or phosphorous acids; Salts thereof
    • D—TEXTILES; PAPER
    • D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06M—TREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
    • D06M2101/00—Chemical constitution of the fibres, threads, yarns, fabrics or fibrous goods made from such materials, to be treated
    • D06M2101/02—Natural fibres, other than mineral fibres
    • D06M2101/10—Animal fibres
    • D—TEXTILES; PAPER
    • D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06M—TREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
    • D06M2101/00—Chemical constitution of the fibres, threads, yarns, fabrics or fibrous goods made from such materials, to be treated
    • D06M2101/02—Natural fibres, other than mineral fibres
    • D06M2101/10—Animal fibres
    • D06M2101/12—Keratin fibres or silk
    • D—TEXTILES; PAPER
    • D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06M—TREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
    • D06M2200/00—Functionality of the treatment composition and/or properties imparted to the textile material
    • D06M2200/30—Flame or heat resistance, fire retardancy properties

Definitions

  • the invention relates to a soluble polyelectrolyte complex and a method for flame retardant finishing of protein fibers, which belongs to the technical field of textile functional finishing.
  • Phytic acid is derived from plant tissues, is non-toxic, has good biocompatibility, is renewable, and has a high phosphorus content, which has attracted widespread attention in the preparation of flame-retardant polymer materials.
  • Phytic acid molecules contain phosphate groups, allowing phytic acid to combine with cationic compounds and metal ions to form complexes, so phytic acid is often used in layer-by-layer self-assembly systems to prepare intumescent flame retardant coatings.
  • Chitin the raw material of chitosan, comes from the shell of crustaceans and is widely found in nature. Natural polymer chitosan has good bio-functionality and compatibility and strong degradability, and has important applications in medicine, food, chemical and cosmetic industries.
  • chitosan can act as a blowing agent and a carbon-forming agent in the intumescent flame retardant system, and has also received extensive attention in the field of textile flame retardancy.
  • Laufer et al Alternately deposited phytic acid and chitosan on the surface of cotton fabric by layer-by-layer self-assembly to prepare an intumescent flame-retardant coating and improve the flame-retardant properties of cotton fabric, but the study required 30 cycles of coating to give Better flame retardant properties of cotton fabrics (Galina Laufer, Christopher Kirkland, Alexander B. Morgan, Jaime C. Grunlan.
  • Chinese invention patent CN103321044A discloses a flame-retardant real silk and its preparation method. The silk fabric is alternately immersed in sodium phytate and chitosan solution to prepare flame-retardant real silk through layer-by-layer assembly method, after 10 layers and above are assembled After the silk fabric obtained better flame retardant properties and washing resistance.
  • the Chinese invention patent CN105803784A discloses a method for preparing functional cotton fabrics by layer-by-layer assembly of phytic acid using polycationic polyelectrolyte polyallylamine hydrochloride.
  • the layer-by-layer assembly technology enriches polyallylamine hydrochloride and phytic acid Collected on the surface of cotton fiber, polyaniline is polymerized on the surface of cotton fiber in situ after multiple coatings, so that the cotton fabric has flame retardant properties.
  • the layer-by-layer assembly technique involves multiple impregnations of polyanion and polycation solutions, and the complicated process flow greatly limits its industrial application.
  • the object of the present invention is to provide a soluble polyelectrolyte complex and a method for flame retardant finishing of protein fibers, using natural phytic acid and chitosan as polyanion and cationic electrolyte to prepare soluble polyelectrolyte complex Flame retardant system, using citric acid as the solvent and crosslinking agent of chitosan, and applying the polyelectrolyte composite system to the flame retardant finishing of protein fibers.
  • the method has simple preparation process and short process, and the prepared flame-retardant protein fiber has excellent flame-retardant effect and good durability, and has important practical application value.
  • the first object of the present invention is to provide a method for preparing a soluble polyelectrolyte composite, including the following steps:
  • the concentration of cationic chitosan in the polyelectrolyte complex solution is 1-2%, and the concentration of citric acid is 5-7%.
  • the concentration of anionic phytic acid in the polyelectrolyte complex solution is 8-12%.
  • the pH value of the polyelectrolyte complex solution is 1-2.
  • step (1) the pH value is adjusted by adding acetic acid.
  • the citric acid is a solvent for chitosan, and serves as a cross-linking agent between chitosan and protein fibers during the flame retardant finishing process.
  • the second object of the present invention is to provide a soluble polyelectrolyte composite prepared by the method.
  • the third object of the present invention is to provide a method for flame retardant finishing of protein fibers, including the following steps:
  • step (2) Treat the protein fiber product several times according to step (1), and perform baking treatment to obtain the flame-retardant protein fiber product.
  • the protein fiber is wool and / or silk fiber.
  • step (1) the pH value of the citric acid / sodium citrate buffer solution is 4-6.
  • step (2) the number of treatment process cycles is 1-5.
  • step (2) the baking is performed at 150-160 ° C for a time of 2-4min.
  • the fourth object of the present invention is to provide a flame-retardant protein fiber product prepared by the method.
  • the principle of the present invention is: under strong acidic conditions, the degree of ionization of phosphate in phytic acid molecules is small, and there is no binding with cationic chitosan, the two are stable in solution; under weakly acidic and neutral conditions, planting
  • the phosphate ion in the acid molecule has a large degree of ionization, and can be combined with cationic chitosan by electrostatic attraction to form a complex, which is attached to the surface of the protein fiber.
  • the phytic acid / chitosan system is rich in phosphorus, nitrogen and carbon elements, and can form an intumescent flame retardant system, providing excellent flame retardant properties for protein fibers.
  • the bridging reaction between phytic acid, chitosan, citric acid and protein fiber makes the flame retardant protein fiber have better flame retardant durability, the reaction is described as follows: (1) between phytic acid and protein fiber Ionic bonding; (2) ionic bonding between phytic acid and chitosan; (3) esterification crosslinking reaction between chitosan and citric acid; (4) esterification crosslinking between citric acid and protein fiber ⁇ ⁇ Link reaction.
  • the invention uses phytic acid and chitosan to prepare a soluble polyelectrolyte composite flame retardant system under strong acidic conditions.
  • the flame retardant system has high phosphorus and nitrogen content and good flame retardant effect.
  • phytic acid and chitosan can generate ionic bonds on the surface of protein fibers and attach to the surface of protein fibers.
  • the phytic acid and chitosan flame retardant components used in the present invention are both natural products with sufficient raw material sources, and the prepared polyelectrolyte composite belongs to an environmentally friendly flame retardant system.
  • the invention has simple process, short process and low economic cost.
  • the prepared flame-retardant protein fiber has excellent flame-retardant performance, good water-washing resistance, and broad application prospects.
  • Example 2 is a graph of the heat release rate of the wool fabric in Example 4 of the present invention.
  • Example 1 Silk fabric-citric acid-one impregnation
  • chitosan (4%) is dissolved in a hydrochloric acid solution with a pH value of 1 to prepare a chitosan solution. Then, an equal volume of phytic acid (20%) solution was slowly added dropwise to the chitosan solution and stirred evenly to obtain a uniform and transparent soluble phytic acid / chitosan polyelectrolyte complex system. At this time, the concentration of phytic acid in the solution was 10%, chitosan concentration is 2%, solution pH is 1.
  • soluble polyelectrolyte complex First, dissolve chitosan (4%) in citric acid (12%) solution, and adjust the pH value of the solution to 1.3 with acetic acid to prepare chitosan solution. Then, slowly add an equal volume of phytic acid (20%) solution to the chitosan solution and mix it evenly to obtain a uniform and transparent soluble phytic acid / chitosan polyelectrolyte complex system. 10%, chitosan concentration is 2%, citric acid concentration is 6%, solution pH is 1.3.
  • the limit oxygen index (LOI) of the fabric is determined according to the standard of GB / T 5454-1997 "Oxygen Index Method for Textile Combustion Performance Test”.
  • the carbon length of the fabric is measured in accordance with the standard GB / T 5455-2014 "Determination of the length of the textile burning performance in the vertical direction of smoldering and afterburning time”.
  • the combustion performance of the fabric is evaluated according to the standard of GB / T17591-2006 "Flame Retardant Fabric".
  • the method of washing the flame retardant fabric is based on the standard GB / T 3921-2008 "Textile color fastness test soap color fastness", using silk wool detergent 2g / L, bath ratio 1:50, washing at 40 °C for 30min once. Repeat washing to the required number of times.
  • the heat release rate of the fabric was tested on an FTT0001 microcalorimeter (UK FTT company) according to ASTM D7309 (Method A).
  • Table 1 shows the LOI and carbon length of the flame-retardant silk and wool fabric after different washing times.
  • the unfinished silk and wool fabrics have LOIs of 24.8% and 23.6%, respectively, and are completely burnt during vertical combustion.
  • the carbon length is 30 cm, indicating that the untreated silk and wool fabrics have poor flame retardant properties.
  • the LOI of the silk fabric is 29.1%, and the carbon length is about 14.0 cm, indicating that the flame retardant silk fabric has good flame retardant performance.
  • the flame retardant performance of the silk fabric is further improved, and the LOI is still greater than 28.8% after 10 washings.
  • Example 3 Using hydrochloric acid as a dissolving acid agent of chitosan, the flame retardant performance of finishing silk fabrics is better, but the flame retardant performance is significantly reduced after 5 washings, and the carbon length exceeds 15.0cm after 10 washings, and cannot pass the vertical combustion test , Indicating that the flame retardant silk fabric has poor washing resistance.
  • Figures 1 and 2 show the heat release rates of the silk and wool fabrics.
  • the heat release rate of silk and wool fabrics after being treated with phytic acid / chitosan polyelectrolyte complex system is significantly reduced, indicating that the fire risk is reduced.

Landscapes

  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Treatments For Attaching Organic Compounds To Fibrous Goods (AREA)

Abstract

La présente invention concerne un complexe de polyélectrolyte soluble et un procédé de finissage ignifuge de fibres protéiques en utilisant un complexe polyélectrolyte soluble et se rapporte au domaine technique du finissage fonctionnel des textiles. Dans la présente invention, un système ignifuge complexe de polyélectrolyte soluble est préparé à partir d'acide phytique et de chitosane dans des conditions fortement acides, et après avoir été traité au moyen d'une solution tampon, l'acide phytique et le chitosane peuvent être liés à la surface des fibres de protéine par le biais de liaisons ioniques et sont fixés à la surface des fibres protéique. L'acide phytique et le chitosane utilisés comme ingrédients ignifuges dans la présente invention sont tous les deux des produits naturels, il existe des sources abondantes pour les matières premières de ceux-ci et le complexe de polyélectrolyte préparé est un système ignifuge écologique. La présente invention présente un processus simple, un trajet d'écoulement court et un faible coût économique, et les fibres protéiques ignifuges préparées présentent une excellente propriété ignifuge, une bonne résistance au lavage de l'eau et de larges perspectives d'application.
PCT/CN2018/113697 2018-10-31 2018-11-02 Complexe de polyélectrolyte soluble et procédé de finissage ignifuge de fibres protéiques en utilisant un complexe polyélectrolyte soluble WO2020087503A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN201811285490.9 2018-10-31
CN201811285490.9A CN109281168B (zh) 2018-10-31 2018-10-31 可溶性聚电解质复合物及其对蛋白质纤维阻燃整理的方法

Publications (1)

Publication Number Publication Date
WO2020087503A1 true WO2020087503A1 (fr) 2020-05-07

Family

ID=65174611

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/CN2018/113697 WO2020087503A1 (fr) 2018-10-31 2018-11-02 Complexe de polyélectrolyte soluble et procédé de finissage ignifuge de fibres protéiques en utilisant un complexe polyélectrolyte soluble

Country Status (2)

Country Link
CN (1) CN109281168B (fr)
WO (1) WO2020087503A1 (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113754931A (zh) * 2020-06-22 2021-12-07 北京化工大学 一种具有核-壳结构的壳聚糖微球生物基阻燃剂及其制备方法和应用
CN114645453A (zh) * 2022-04-06 2022-06-21 苏州大学 一种耐久阻燃蛋白质纤维制品及其制备方法

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109371660B (zh) * 2018-10-29 2021-05-28 南通纺织丝绸产业技术研究院 一种阻燃蚕丝及其制备方法和应用
CN109371670B (zh) * 2018-10-29 2020-10-27 南通纺织丝绸产业技术研究院 阻燃蚕丝及其制备方法和应用
CN109457470A (zh) * 2018-11-16 2019-03-12 南通纺织丝绸产业技术研究院 利用黄酮和金属盐制备的阻燃蚕丝及其制备方法和应用
CN110130104B (zh) * 2019-02-28 2021-10-26 苏州大学 一种基于生物质的阻燃真丝织物及其制备方法
CN110616565B (zh) * 2019-10-30 2021-04-09 河南大学 一种尼龙66纺织物表面纳米防火涂层的制备方法
CN111962298A (zh) * 2020-09-03 2020-11-20 应急管理部四川消防研究所 一种金属离子协同低浓度有机生物质耐久阻燃后整理改性尼龙织物及其制备方法
CN113185873B (zh) * 2021-05-10 2022-04-15 兰州大学 一种生物基阻燃及抗光老化pva复合材料的制备方法
CN114108332B (zh) * 2021-12-13 2022-11-01 西华大学 一种金属掺杂聚电解质涂覆液、涂层、阻燃材料及其制备
CN114214750B (zh) * 2022-01-13 2023-09-15 天津工业大学 一种阻燃聚丙烯腈复合纤维及其制备方法和应用
CN114752096B (zh) * 2022-03-24 2022-12-13 安徽工程大学 基于全生物基阻燃剂的高分子阻燃材料及其制备方法
CN116063730B (zh) * 2023-02-22 2023-08-11 国际竹藤中心 一种天然阻燃竹纸浆泡沫材料及其制备方法和应用

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20110244254A1 (en) * 2010-03-30 2011-10-06 Zhiqiang Song Anticorrosion coatings with reactive polyelectrolyte complex system
CN103321044A (zh) * 2013-07-08 2013-09-25 苏州大学 一种阻燃真丝绸及其制备方法
CN103951870A (zh) * 2014-05-07 2014-07-30 浙江理工大学 含磷氮聚电解质络合物阻燃eva的制备方法
CN106544867A (zh) * 2016-10-09 2017-03-29 苏州大学 有色阻燃涤棉织物及其制备方法
CN106930119A (zh) * 2017-03-17 2017-07-07 苏州太湖雪丝绸股份有限公司 用植酸对蛋白质纤维进行染整加工的方法

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106436309A (zh) * 2016-10-17 2017-02-22 新乡市新科防护科技有限公司 一种阻燃抗菌棉麻混纺织物面料的生产方法
CN106996039B (zh) * 2017-03-31 2019-04-02 苏州大学 一种耐久性阻燃蚕丝织物的制备方法

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20110244254A1 (en) * 2010-03-30 2011-10-06 Zhiqiang Song Anticorrosion coatings with reactive polyelectrolyte complex system
CN103321044A (zh) * 2013-07-08 2013-09-25 苏州大学 一种阻燃真丝绸及其制备方法
CN103951870A (zh) * 2014-05-07 2014-07-30 浙江理工大学 含磷氮聚电解质络合物阻燃eva的制备方法
CN106544867A (zh) * 2016-10-09 2017-03-29 苏州大学 有色阻燃涤棉织物及其制备方法
CN106930119A (zh) * 2017-03-17 2017-07-07 苏州太湖雪丝绸股份有限公司 用植酸对蛋白质纤维进行染整加工的方法

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
CHANCHAL K KUNDU ET AL : "Broate cross-linked layer-by-layer assembly of green polyele- ctrolytes on polyamide 66 fabrics for flame-retardant treatment", PROGRESS IN ORGANIC COATINGS, 1 May 2018 (2018-05-01), pages 173 - 181, XP055702881, DOI: 10.1016/j.porgcoat.2018.04.031 *

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113754931A (zh) * 2020-06-22 2021-12-07 北京化工大学 一种具有核-壳结构的壳聚糖微球生物基阻燃剂及其制备方法和应用
CN113754931B (zh) * 2020-06-22 2022-07-15 北京化工大学 一种具有核-壳结构的壳聚糖微球生物基阻燃剂及其制备方法和应用
CN114645453A (zh) * 2022-04-06 2022-06-21 苏州大学 一种耐久阻燃蛋白质纤维制品及其制备方法

Also Published As

Publication number Publication date
CN109281168B (zh) 2020-05-01
CN109281168A (zh) 2019-01-29

Similar Documents

Publication Publication Date Title
WO2020087503A1 (fr) Complexe de polyélectrolyte soluble et procédé de finissage ignifuge de fibres protéiques en utilisant un complexe polyélectrolyte soluble
WO2020077695A1 (fr) Agent ignifuge réactif et procédé de traitement ignifuge durable de fibre de protéine l'utilisant
CN109183408B (zh) 一种层层自组装阻燃棉织物及其制备方法
CN100545343C (zh) 轻薄天然纤维材料的阻燃处理方法
WO2015101312A1 (fr) Solution de travail ignifuge et procédé d'apprêtement ignifuge pour tissus en coton pur et/ou tissus composés d'un mélange coton-polyester
CN114908565B (zh) 一种耐久阻燃涤纶织物的制备方法
CN109371660B (zh) 一种阻燃蚕丝及其制备方法和应用
CN104831542A (zh) 一种阻燃面料的加工方法
WO2018233125A1 (fr) Procédé de finition de tissu tricoté
CN111074548A (zh) 一种阻燃织物及其制备方法
WO2020097981A1 (fr) Soie ignifuge préparée à partir de flavone et de sel métallique, procédé de préparation s'y rapportant et son application
CN105908514A (zh) 一种可机洗羽绒的处理方法
CN104818607A (zh) 电子辐射技术制备阻燃纺织品的方法
CN107177979A (zh) 一种无熔滴阻燃涤纶纤维/织物及其制备方法
CN111041826A (zh) 一种涤纶织物阻燃拒水多功能复合整理剂及其整理方法
CN110565370A (zh) 一种天然阻燃整理剂的制备方法
CN109944070B (zh) 一种自熄性阻燃棉织物及其制备方法和应用
CN103898747A (zh) 一种耐久阻燃后整理锦纶织物的制备方法
CN108893990A (zh) 一种多功能含真丝面料的制备方法
Wei et al. A green and facile strategy to enhance thermal stability and flame retardancy of unidirectional flax fabric based on fully bio-based system
CN114645453A (zh) 一种耐久阻燃蛋白质纤维制品及其制备方法
CN109056320A (zh) 一种基于棉织物的阻燃疏水整理方法
CN110592950B (zh) 一种无溶剂制备阻燃棉织物的方法
CN107385913A (zh) 一种耐久阻燃织物整理液及耐久阻燃织物的制备方法
CN111074549A (zh) 一种纯棉织物的多功能后整理工艺

Legal Events

Date Code Title Description
121 Ep: the epo has been informed by wipo that ep was designated in this application

Ref document number: 18938637

Country of ref document: EP

Kind code of ref document: A1

NENP Non-entry into the national phase

Ref country code: DE

122 Ep: pct application non-entry in european phase

Ref document number: 18938637

Country of ref document: EP

Kind code of ref document: A1