CN112281484A - Preparation method of moisture-absorbing quick-drying flame-retardant fabric - Google Patents
Preparation method of moisture-absorbing quick-drying flame-retardant fabric Download PDFInfo
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- CN112281484A CN112281484A CN201910658927.7A CN201910658927A CN112281484A CN 112281484 A CN112281484 A CN 112281484A CN 201910658927 A CN201910658927 A CN 201910658927A CN 112281484 A CN112281484 A CN 112281484A
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- 239000004744 fabric Substances 0.000 title claims abstract description 112
- 238000001035 drying Methods 0.000 title claims abstract description 93
- RNFJDJUURJAICM-UHFFFAOYSA-N 2,2,4,4,6,6-hexaphenoxy-1,3,5-triaza-2$l^{5},4$l^{5},6$l^{5}-triphosphacyclohexa-1,3,5-triene Chemical compound N=1P(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP=1(OC=1C=CC=CC=1)OC1=CC=CC=C1 RNFJDJUURJAICM-UHFFFAOYSA-N 0.000 title claims abstract description 76
- 239000003063 flame retardant Substances 0.000 title claims abstract description 75
- 238000002360 preparation method Methods 0.000 title claims abstract description 9
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 claims abstract description 80
- 229910021529 ammonia Inorganic materials 0.000 claims abstract description 36
- 238000005406 washing Methods 0.000 claims abstract description 33
- 238000000034 method Methods 0.000 claims abstract description 28
- 238000003958 fumigation Methods 0.000 claims abstract description 18
- 238000010521 absorption reaction Methods 0.000 claims abstract description 17
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 16
- 239000007788 liquid Substances 0.000 claims abstract description 13
- 230000001590 oxidative effect Effects 0.000 claims abstract description 11
- 239000003795 chemical substances by application Substances 0.000 claims description 43
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 claims description 39
- 229920000742 Cotton Polymers 0.000 claims description 32
- MHAJPDPJQMAIIY-UHFFFAOYSA-N Hydrogen peroxide Chemical compound OO MHAJPDPJQMAIIY-UHFFFAOYSA-N 0.000 claims description 20
- 239000004902 Softening Agent Substances 0.000 claims description 16
- 230000000149 penetrating effect Effects 0.000 claims description 15
- 238000003756 stirring Methods 0.000 claims description 12
- 150000001875 compounds Chemical class 0.000 claims description 10
- 229920002635 polyurethane Polymers 0.000 claims description 10
- 239000004814 polyurethane Substances 0.000 claims description 10
- 230000008569 process Effects 0.000 claims description 9
- 239000002759 woven fabric Substances 0.000 claims description 9
- 239000011259 mixed solution Substances 0.000 claims description 8
- 239000007800 oxidant agent Substances 0.000 claims description 5
- FGUUSXIOTUKUDN-IBGZPJMESA-N C1(=CC=CC=C1)N1C2=C(NC([C@H](C1)NC=1OC(=NN=1)C1=CC=CC=C1)=O)C=CC=C2 Chemical compound C1(=CC=CC=C1)N1C2=C(NC([C@H](C1)NC=1OC(=NN=1)C1=CC=CC=C1)=O)C=CC=C2 FGUUSXIOTUKUDN-IBGZPJMESA-N 0.000 claims description 3
- GNFTZDOKVXKIBK-UHFFFAOYSA-N 3-(2-methoxyethoxy)benzohydrazide Chemical compound COCCOC1=CC=CC(C(=O)NN)=C1 GNFTZDOKVXKIBK-UHFFFAOYSA-N 0.000 claims description 2
- 230000000391 smoking effect Effects 0.000 claims description 2
- 238000002791 soaking Methods 0.000 claims description 2
- QXDQSQFLCULCEC-UHFFFAOYSA-L n,n-dibutylcarbamodithioate;manganese(2+) Chemical compound [Mn+2].CCCCN(C([S-])=S)CCCC.CCCCN(C([S-])=S)CCCC QXDQSQFLCULCEC-UHFFFAOYSA-L 0.000 claims 1
- 239000002274 desiccant Substances 0.000 abstract 2
- 239000000203 mixture Substances 0.000 description 14
- WSFSSNUMVMOOMR-UHFFFAOYSA-N Formaldehyde Chemical compound O=C WSFSSNUMVMOOMR-UHFFFAOYSA-N 0.000 description 12
- 230000003647 oxidation Effects 0.000 description 10
- 238000007254 oxidation reaction Methods 0.000 description 10
- SNIVVKDUMQYBAV-UHFFFAOYSA-M tetrakis(hydroxymethyl)phosphanium;urea;chloride Chemical compound [Cl-].NC(N)=O.OC[P+](CO)(CO)CO SNIVVKDUMQYBAV-UHFFFAOYSA-M 0.000 description 9
- 230000006378 damage Effects 0.000 description 8
- 239000011574 phosphorus Substances 0.000 description 8
- 229910052698 phosphorus Inorganic materials 0.000 description 8
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 description 7
- 238000007598 dipping method Methods 0.000 description 7
- 238000001704 evaporation Methods 0.000 description 7
- 230000008020 evaporation Effects 0.000 description 7
- 239000000047 product Substances 0.000 description 7
- 238000005096 rolling process Methods 0.000 description 7
- 239000000835 fiber Substances 0.000 description 6
- 238000004519 manufacturing process Methods 0.000 description 5
- 239000004753 textile Substances 0.000 description 5
- NBIIXXVUZAFLBC-UHFFFAOYSA-N Phosphoric acid Chemical compound OP(O)(O)=O NBIIXXVUZAFLBC-UHFFFAOYSA-N 0.000 description 4
- 229910052799 carbon Inorganic materials 0.000 description 4
- BSBSDQUZDZXGFN-UHFFFAOYSA-N cythioate Chemical compound COP(=S)(OC)OC1=CC=C(S(N)(=O)=O)C=C1 BSBSDQUZDZXGFN-UHFFFAOYSA-N 0.000 description 4
- 230000000694 effects Effects 0.000 description 4
- MCONGYNHPPCHSD-UHFFFAOYSA-N 3-dimethoxyphosphoryl-n-(hydroxymethyl)propanamide Chemical compound COP(=O)(OC)CCC(=O)NCO MCONGYNHPPCHSD-UHFFFAOYSA-N 0.000 description 3
- YUWBVKYVJWNVLE-UHFFFAOYSA-N [N].[P] Chemical compound [N].[P] YUWBVKYVJWNVLE-UHFFFAOYSA-N 0.000 description 3
- 238000006243 chemical reaction Methods 0.000 description 3
- 125000002887 hydroxy group Chemical group [H]O* 0.000 description 3
- 239000000243 solution Substances 0.000 description 3
- 230000002195 synergetic effect Effects 0.000 description 3
- 229910000147 aluminium phosphate Inorganic materials 0.000 description 2
- 150000008064 anhydrides Chemical class 0.000 description 2
- 238000004132 cross linking Methods 0.000 description 2
- 229910052736 halogen Inorganic materials 0.000 description 2
- 150000002367 halogens Chemical class 0.000 description 2
- 231100000053 low toxicity Toxicity 0.000 description 2
- 239000011148 porous material Substances 0.000 description 2
- 230000001681 protective effect Effects 0.000 description 2
- YTVQIZRDLKWECQ-UHFFFAOYSA-N 2-benzoylcyclohexan-1-one Chemical compound C=1C=CC=CC=1C(=O)C1CCCCC1=O YTVQIZRDLKWECQ-UHFFFAOYSA-N 0.000 description 1
- YZCKVEUIGOORGS-OUBTZVSYSA-N Deuterium Chemical compound [2H] YZCKVEUIGOORGS-OUBTZVSYSA-N 0.000 description 1
- 241000255925 Diptera Species 0.000 description 1
- PXGOKWXKJXAPGV-UHFFFAOYSA-N Fluorine Chemical compound FF PXGOKWXKJXAPGV-UHFFFAOYSA-N 0.000 description 1
- 230000002745 absorbent Effects 0.000 description 1
- 239000002250 absorbent Substances 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 150000001408 amides Chemical class 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 229920002678 cellulose Polymers 0.000 description 1
- 239000001913 cellulose Substances 0.000 description 1
- 238000002485 combustion reaction Methods 0.000 description 1
- 238000006297 dehydration reaction Methods 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 229910052731 fluorine Inorganic materials 0.000 description 1
- 239000011737 fluorine Substances 0.000 description 1
- 125000004029 hydroxymethyl group Chemical group [H]OC([H])([H])* 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 230000014759 maintenance of location Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 229910000069 nitrogen hydride Inorganic materials 0.000 description 1
- 150000002903 organophosphorus compounds Chemical class 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 230000035699 permeability Effects 0.000 description 1
- 239000012466 permeate Substances 0.000 description 1
- -1 phosphorus compound Chemical class 0.000 description 1
- 150000003018 phosphorus compounds Chemical class 0.000 description 1
- 229920000642 polymer Polymers 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 230000009257 reactivity Effects 0.000 description 1
- 239000000779 smoke Substances 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000010998 test method Methods 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Classifications
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- 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
- D06M13/322—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 nitrogen
- D06M13/44—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 nitrogen containing nitrogen and phosphorus
-
- 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
- D06M11/00—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with inorganic substances or complexes thereof; Such treatment combined with mechanical treatment, e.g. mercerising
- D06M11/32—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with inorganic substances or complexes thereof; Such treatment combined with mechanical treatment, e.g. mercerising with oxygen, ozone, ozonides, oxides, hydroxides or percompounds; Salts derived from anions with an amphoteric element-oxygen bond
- D06M11/36—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with inorganic substances or complexes thereof; Such treatment combined with mechanical treatment, e.g. mercerising with oxygen, ozone, ozonides, oxides, hydroxides or percompounds; Salts derived from anions with an amphoteric element-oxygen bond with oxides, hydroxides or mixed oxides; with salts derived from anions with an amphoteric element-oxygen bond
- D06M11/38—Oxides or hydroxides of elements of Groups 1 or 11 of the Periodic Table
-
- 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
- D06M11/00—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with inorganic substances or complexes thereof; Such treatment combined with mechanical treatment, e.g. mercerising
- D06M11/32—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with inorganic substances or complexes thereof; Such treatment combined with mechanical treatment, e.g. mercerising with oxygen, ozone, ozonides, oxides, hydroxides or percompounds; Salts derived from anions with an amphoteric element-oxygen bond
- D06M11/50—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with inorganic substances or complexes thereof; Such treatment combined with mechanical treatment, e.g. mercerising with oxygen, ozone, ozonides, oxides, hydroxides or percompounds; Salts derived from anions with an amphoteric element-oxygen bond with hydrogen peroxide or peroxides of metals; with persulfuric, permanganic, pernitric, percarbonic acids or their salts
-
- 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
- D06M11/00—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with inorganic substances or complexes thereof; Such treatment combined with mechanical treatment, e.g. mercerising
- D06M11/58—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with inorganic substances or complexes thereof; Such treatment combined with mechanical treatment, e.g. mercerising with nitrogen or compounds thereof, e.g. with nitrides
- D06M11/59—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with inorganic substances or complexes thereof; Such treatment combined with mechanical treatment, e.g. mercerising with nitrogen or compounds thereof, e.g. with nitrides with ammonia; with complexes of organic amines with inorganic substances
- D06M11/60—Ammonia as a gas or in solution
-
- 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
- D06M15/19—Treating fibres, threads, yarns, fabrics, or fibrous goods made from such materials, with macromolecular compounds; Such treatment combined with mechanical treatment with synthetic macromolecular compounds
- D06M15/37—Macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds
- D06M15/564—Polyureas, polyurethanes or other polymers having ureide or urethane links; Precondensation products forming them
-
- 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
- D06M2101/04—Vegetal fibres
- D06M2101/06—Vegetal fibres cellulosic
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- 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
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- Engineering & Computer Science (AREA)
- Textile Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Inorganic Chemistry (AREA)
- Treatments For Attaching Organic Compounds To Fibrous Goods (AREA)
Abstract
The invention relates to a preparation method of moisture-absorbing quick-drying flame-retardant fabric, which comprises the following steps: a) preparing a flame-retardant finishing liquid; b) padding the fabric in the flame-retardant finishing liquid; c) drying the padded fabric; d) carrying out ammonia fumigation on the dried fabric; e) oxidizing the fabric after the ammonia fumigation; f) washing the oxidized fabric with water; g) drying the washed fabric in a drying cylinder; h) padding and finishing the dried fabric in a moisture absorption quick-drying agent; i) drying the fabric subjected to padding and finishing by the moisture absorption quick-drying agent by using a tenter; j) and (5) baking the dried fabric. The fabric prepared by the method has good flame retardant property, and simultaneously has moisture absorption and quick drying properties, and meets the requirements of people on multifunctional fabrics.
Description
Technical Field
The invention relates to the technical field of functional textiles, in particular to a preparation method of a moisture-absorbing quick-drying flame-retardant fabric.
Background
The cotton fabric has excellent wearability, which is mainly shown in that: the absorbent has good moisture absorption and air permeability, and is comfortable to wear; the hand feeling is soft; the fabric has good warmth retention in winter and is breathable and cool in summer, so cotton fabric becomes one of the most common fabrics. However, the limit oxygen index value of the cotton fiber is only 17-19%, the cotton fiber belongs to flammable fiber and has larger combustion-supporting property, so that the application range of the cotton fabric is limited; and small fire sources caused by the inflammability of textiles are spread and cause disasters, so that accidents of personal casualties and property loss are frequent, and more than half of indoor fires are caused by the textiles according to statistics. In order to protect the life and property safety of people, the flame retardant finishing of cotton fabrics is very necessary.
At present, the common flame retardant for the cotton fabric mainly comprises halogen, fluorine and organic phosphorus compounds, but the halogen flame retardant can generate harmful substances in the using process and cause great pollution to the environment, and is completely banned by European Union. The phosphorus flame retardant is widely applied due to the advantages of easily available raw materials, mild reaction conditions, easy operation, low smoke, low toxicity and the like. For cotton fabrics, the mature phosphorus flame-retardant finishing is mainly implemented by the Pyrovatex CP (N-hydroxymethyl-3-dimethoxyphosphorylpropionamide) process of Ciba-Geigy, Switzerland and the Proban finishing of Albright & Wilson, UK. The flame-retardant cotton fabric finished by the Pyrovatex CP has good washability and soft hand feeling, but the fabric has high strength loss, poor wear resistance and high free formaldehyde release amount in the processing and taking processes.
Proban finishing is a common flame-retardant finishing method for cotton fabrics, a low-molecular precondensate of tetrakis (hydroxymethyl) phosphonium chloride and amide is used as a flame-retardant finishing agent, fabrics are padded in the flame-retardant finishing agent, phosphorus compounds permeate into amorphous regions and gaps of cotton fibers, ammonia gas is crosslinked with hydroxymethyl in the precondensate during ammonia fumigation, a flame-retardant polymer is formed inside the fibers, and a flame-retardant synergistic effect of phosphorus-nitrogen synergy is established; then the trivalent phosphorus in the flame retardant in the fiber is converted into pentavalent phosphorus through oxidation, so that the flame retardant is further stabilized in the fiber. When the cotton fabric finished by Proban encounters high-temperature flame, the phosphorus-containing flame retardant is firstly decomposed into phosphoric acid or polyphosphoric anhydride which is not easy to volatilize, and the phosphoric acid or polyphosphoric anhydride and hydroxyl of cellulose are subjected to dehydration reaction, so that the fiber is carbonized, and the phosphorus-nitrogen synergistic effect is generated in the ammonia fumigation process, and the phosphorus-nitrogen bond performance is higher than that of a phosphorus-oxygen bond, so that the reactivity of a phosphorus compound and the hydroxyl is enhanced, and the efficient durable flame retardant performance is generated. The pure cotton flame-retardant fabric finished by Proban has excellent flame-retardant effect, soft hand feeling, low toxicity, environmental protection, safety and reliability to human bodies, small strength loss and strong durability, basically keeps the comfort, the durability and the like of the original fabric, has the flame-retardant performance reaching the standards of a plurality of countries in the world, is suitable for being used as various protective clothing, bedding, decorative articles, flame-retardant pajamas for children and the like, but has complex operation and high cost, releases a large amount of ammonia gas in the production process, and the formaldehyde content of the obtained fabric is slightly higher.
However, with the improvement of living standard of people, the requirements on the functionality of clothes are increasingly increased, especially in the aspect of wearing experience, so that the cotton fabric is endowed with more functionalities, such as functions of static resistance, moisture absorption and quick drying, mosquito prevention and the like, and better experience can be brought to consumers.
The above background art is only for the convenience of deep understanding of the technical solutions of the invention (technical means used, technical problems solved, technical effects produced, etc.), and should not be taken as an admission or any form of suggestion that this information constitutes prior art that is already known to a person skilled in the art.
Disclosure of Invention
The invention aims to provide a preparation method of a fabric with flame retardant function and moisture absorption and quick drying characteristics, which has the advantages of simple process, low processing cost and relatively reduced ammonia emission and formaldehyde content.
In order to solve the technical problem, the invention provides a preparation method of moisture-absorbing quick-drying flame-retardant fabric, which comprises the following steps: a, preparing flame-retardant finishing liquid, wherein the flame-retardant finishing liquid comprises a flame-retardant finishing agent, a softening agent and a penetrating agent; b, padding, namely performing secondary soaking and secondary padding on the fabric in the flame-retardant finishing liquid obtained in the step a by using padding equipment, wherein the padding rate is 90-110%, so as to obtain a soaked fabric; c, drying the soaked fabric obtained in the step b at the drying temperature of 70-100 ℃ to obtain a dried fabric; d, performing ammonia smoking on the dried fabric obtained in the step c to obtain ammonia smoked fabric; e, oxidizing, namely directly oxidizing the fabric subjected to ammonia fumigation obtained in the step d to obtain an oxidized fabric; f, washing, namely washing the oxidized fabric obtained in the step e to obtain a washed fabric; g, drying, namely putting the washed fabric obtained in the step f into a drying cylinder for drying, wherein the drying temperature is 80-100 ℃; h, adding water with required dosage into a stirring barrel, adding the moisture absorption quick-drying finishing agent into the stirring barrel, uniformly stirring, and then carrying out padding finishing on the fabric obtained in the step g, wherein the padding rate is 100 percent; i, putting the fabric obtained in the step h into a tenter for drying, wherein the drying temperature is 80-100 ℃; j baking the fabric obtained in step i at the temperature of 180-.
Preferably, the concentration of the flame-retardant finishing agent in the step a is 400g/L, the concentration of the softening agent is 20-30g/L, and the concentration of the penetrating agent is 2-4 g/L.
Preferably, the flame retardant finishing agent in step a is a tetrakis hydroxymethyl phosphonium chloride urea condensate.
Preferably, the ammonia gas flow rate during ammonia fumigation in step d is 50 m/h.
Preferably, the oxidant in step e is a mixed solution of hydrogen peroxide and sodium hydroxide, wherein the concentration of the oxidant is 8-10g/L, and the concentration of the sodium hydroxide is 2-3 g/L.
Preferably, in the water washing process in the step f, the water washing tank is used for water washing at 80 ℃, 70 ℃ and 60 ℃.
Preferably, the moisture-absorbing quick-drying finishing agent in the step h is a water-dispersed polyurethane compound with the concentration of 40 g/L.
Preferably, the fabric is a woven cotton fabric.
Compared with the prior art, the invention has the following excellent technical effects: according to the invention, the fabric is subjected to ammonia fumigation and then directly enters the oxidation step, so that the flame retardant property of the fabric is better, meanwhile, the release amount of ammonia gas in the production process is reduced, the production environment is optimized, the discomfort of workers is reduced, and meanwhile, the formaldehyde content in the fabric is reduced; and can reach better fire resistance through the flow of smaller ammonia, lowering production cost; in addition, the fabric prepared by the method has moisture absorption and quick drying performance and flame retardant performance, is breathable and moisture permeable, is suitable for being worn in summer, solves the problem of suffocating of special protective clothing in the using process, and meets the requirements of consumers on multifunctional fabrics.
Detailed Description
The invention concept of the invention comprises a plurality of specific implementation schemes, different implementation schemes have technical or application emphasis, and different implementation schemes can be combined and matched to meet different application scenes and solve different application requirements. Therefore, the following description of the specific embodiments is only for the purpose of more clearly illustrating the technical aspects of the present invention, and should not be construed as limiting the scope of the present invention intended to be protected.
The preparation method of the moisture-absorbing quick-drying flame-retardant fabric comprises the following specific processes:
A. the flame-retardant finishing liquid is prepared and comprises a flame-retardant finishing agent, a softening agent and a penetrating agent, the softening agent is added to prevent the flame-retardant finishing agent from causing hard hand feeling after a large amount of local focusing, so that the flame-retardant finishing agent is properly dispersed, and the flame-retardant finishing agent is conveniently penetrated into the fabric by the penetrating agent. However, the addition of a large amount of a softening agent affects the adhesion of the flame retardant finish, resulting in a decrease in the durability of the final flame retardant effect. Therefore, the concentration of the flame-retardant finishing agent is 300-400g/L, the concentration of the softening agent is 20-30g/L, and the concentration of the penetrating agent is 2-4g/L, wherein the flame-retardant finishing agent is a tetramethylolphosphonium chloride urea condensate.
The preparation method of the flame-retardant finishing liquid comprises the steps of adding the required amount of water into a stirring barrel, sequentially adding the required amount of the flame-retardant finishing agent, the softening agent and the penetrating agent into the stirring barrel, and uniformly stirring to obtain the flame-retardant finishing liquid.
B. The flame retardant finish is subjected to a two-dip two-pad process on a pad-mangle apparatus and applied to the fabric to provide the fabric with 90-110% by weight of the finish.
C. Drying at 70-100 deg.C and 10-20 m/min.
D. Ammonia-smoking the tissue obtained in step CSubjecting the material to ammonia fumigation, NH in the environment3Impregnated into the fabric, NH3The flame retardant finishing agent is subjected to crosslinking reaction to form a nitrogen-phosphorus synergistic effect, so that the fabric has high-efficiency flame retardant resistance; if the ammonia gas flow is too large in the production process, waste is caused, the ammonia gas overflows, the working environment is severe, the proper ammonia gas flow control position is 50m for cultivation/h, and the speed is 10-20 m/min.
E. And D, oxidizing the fabric subjected to ammonia fumigation in the step D by using a mixed solution of the double oxide and the sodium hydroxide added into the open-width washing machine to reduce the release amount of ammonia, and simultaneously, because the flame-retardant finishing agent enters an amorphous area of the cotton fiber and is subjected to a crosslinking reaction with hydroxyl groups of the cotton fiber, the flame-retardant finishing agent is more stable. But the ammonia treatment step reduces the size of the pore channel of the cotton fiber, reduces the total volume of the pore channel of the cotton fiber, and is not beneficial to the permeation of the flame-retardant finishing agent into the cotton fiber, so that the ammonia treatment step directly enters the oxidation step to reduce the action time of ammonia and the cotton fiber, the permeation degree of the flame retardant into the cotton fiber is stronger, the flame retardant property is enhanced, and therefore, the stronger flame retardant property can be achieved by smaller ammonia flow.
Trivalent phosphorus in the flame-retardant finishing agent in the oxidized cotton fiber is converted into pentavalent phosphorus, so that the flame-retardant finishing agent is further stabilized in the fiber. The concentration and time of the oxidizing agent should not be too long, otherwise the fabric strength is reduced. Suitable concentrations of the oxidizing solution are: 8-10g/L of hydrogen peroxide and 2-3g/L of sodium hydroxide solution, and the suitable vehicle speed is 10-20 m/min.
F. Washing with water at 80 deg.C, 70 deg.C and 60 deg.C at 10-20 m/min.
G. And (3) drying, namely drying by using a drying cylinder, wherein the drying temperature is 80-100 ℃, and the vehicle speed is 10-20 m/min.
H. Adding water with required dosage into a stirring barrel, adding the moisture absorption quick-drying finishing agent into the stirring barrel according to the dosage of 30-40g/L, and continuously stirring uniformly to prepare the moisture absorption quick-drying finishing liquid. And G, padding the fabric obtained in the step G in the moisture absorption quick drying finishing liquid, wherein padding rate is 80-100%. The moisture absorption quick-drying finishing agent can be a water-dispersible polyurethane compound, the concentration of the moisture absorption quick-drying finishing agent is preferably 40g/L, and the mangle expression is 100%.
I. Drying by a tenter, wherein the drying temperature is 80-100 ℃, and the speed is 10-20 m/min.
J. Baking at the temperature of 180-190 ℃ for 30 seconds.
The fabric selected for use in the present invention is preferably a cotton woven fabric.
The fabric prepared by the method is subjected to hygroscopicity test, quick-drying test and flame retardant property test, wherein the hygroscopicity test adopts Japanese JIS1907-02 detection standard, the quick-drying test adopts a test method provided by Taiwan textile standard TTFFO007 moisture absorption quick-drying textile garment accessories, the flame retardant property test adopts GB/T5455 combustion property test vertical method, and the B1 level standard is as follows: the damage length is less than or equal to 150mm, the afterflame time is less than or equal to 5s, and the smoldering time is less than or equal to 5 s; the B2 level standard is: the damage length is less than or equal to 200mm, the afterflame time is less than or equal to 15s, and the smoldering time is less than or equal to 10 s. The indexes of the fabric of the invention all reach B1 grade standard, and reach the moisture absorption and quick drying standard of the fabric.
Example 1
Adding a softening agent with the concentration of 20g/L and a penetrating agent with the concentration of 2g/L into a tetramethylolphosphonium chloride urea condensate with the concentration of 300g/L, and carrying out double-dipping and double-rolling processing on the cotton woven fabric, wherein the mangle ratio of the fabric is 90%; drying at 70 deg.C and 10 m/min; then ammonia fumigation is carried out under the conditions that the ammonia flow is 50 m/h and the speed is 20 m/min, and then the obtained product enters an open width washing machine containing a mixed solution of 8g/L of hydrogen peroxide and 2g/L of sodium hydroxide for oxidation, wherein the speed is 10 m/min; then washing the mixture in a washing tank at 80 ℃, 70 ℃ and 60 ℃ at the speed of 10 m/min; then drying the mixture in a drying cylinder at the temperature of 80 ℃, wherein the speed of the drying cylinder is 10 m/min; then the fabric is sent to a padder, and is soaked and rolled under 30g/L of water-dispersed polyurethane compound, and the mangle ratio is 80 percent; then drying in a tenter dryer at the temperature of 80 ℃ and the speed of 10 m/min; finally, baking was carried out at 180 ℃ for 30 seconds. The final fabric index was: the capillary height is 13.5cm, and the water evaporation rate is 96%; the after-burning time is 3.1s, the smoldering time is 3.5s, and the damage length is 121 mm.
Example 2
Adding a softening agent with the concentration of 30g/L and a penetrating agent with the concentration of 4g/L into a tetramethylolphosphonium chloride urea condensate with the concentration of 350g/L, and carrying out double-dipping and double-rolling processing on the cotton woven fabric, wherein the mangle ratio of the fabric is 100%; drying at 80 deg.C and 15 m/min; then ammonia fumigation is carried out under the conditions that the ammonia flow is 50 m/h and the speed is 15 m/min, and then the obtained product enters an open width washing machine containing a mixed solution of 9g/L of hydrogen peroxide and 3g/L of sodium hydroxide for oxidation, wherein the speed is 15 m/min; then washing the mixture in a washing tank at 80 ℃, 70 ℃ and 60 ℃ at the speed of 15 m/min; then drying the mixture in a drying cylinder at the temperature of 80 ℃, wherein the speed of the drying cylinder is 15 m/min; then the fabric is sent to a padder, and is soaked and rolled under 35g/L of water-dispersed polyurethane compound, and the mangle ratio is 90 percent; then drying in a tenter dryer at the temperature of 80-100 ℃ and the speed of 10-20 m/min; finally baking at 190 ℃ at 180 ℃ for 30 seconds. The final fabric index was: the capillary height is 14.1cm, and the water evaporation rate is 100%; the after-burning time is 2.8s, the smoldering time is 3.1s, and the damage length is 110 mm.
Example 3
Adding a softening agent with the concentration of 30g/L and a penetrating agent with the concentration of 4g/L into a tetramethylolphosphonium chloride urea condensate with the concentration of 400g/L, and carrying out double-dipping and double-rolling processing on the cotton woven fabric, wherein the mangle ratio of the fabric is 110%; drying at 100 deg.C and 20 m/min; then ammonia fumigation is carried out under the conditions that the ammonia flow is 50 m/h and the speed is 10 m/min, and then the obtained product enters an open width washing machine containing 10g/L of hydrogen peroxide and 3g/L of sodium hydroxide for oxidation, wherein the speed is 10 m/min; then washing the mixture in a washing tank at 80 ℃, 70 ℃ and 60 ℃ at the speed of 20 m/min; then drying the mixture in a drying cylinder at the temperature of 80 ℃, wherein the speed of the drying cylinder is 20 m/min; then the fabric is sent to a padder, and is soaked and rolled under 40g/L of water-dispersed polyurethane compound, and the mangle ratio is 100 percent; then drying in a tenter dryer at 100 ℃ and at a speed of 10 m/min; finally, baking was carried out at 190 ℃ for 30 seconds. The final fabric index was: the capillary height is 14.9cm, and the water evaporation rate is 100%; the after-burning time is 1.7s, the smoldering time is 1.9s, and the damage length is 87 mm.
Example 4
Adding a softening agent with the concentration of 30g/L and a penetrating agent with the concentration of 4g/L into a tetramethylolphosphonium chloride urea condensate with the concentration of 400g/L, and carrying out double-dipping and double-rolling processing on the cotton woven fabric, wherein the mangle ratio of the fabric is 110%; drying at 100 deg.C and 15 m/min; then ammonia fumigation is carried out under the conditions that the ammonia flow is 50 m/h and the speed is 15 m/min, and then the obtained product enters an open width washing machine containing 10g/L of hydrogen peroxide and 3g/L of sodium hydroxide for oxidation, wherein the speed is 20 m/min; then washing the mixture in a washing tank at 80 ℃, 70 ℃ and 60 ℃ at the speed of 18 m/min; then drying the mixture in a drying cylinder at the temperature of 80 ℃, wherein the speed of the drying cylinder is 15 m/min; then the fabric is sent to a padder, and is soaked and rolled under 40g/L of water-dispersed polyurethane compound, and the mangle ratio is 90 percent; then drying in a tenter dryer at the temperature of 100 ℃ and the speed of 20 m/min; finally, baking was carried out at 90 ℃ for 30 seconds. The final fabric index was: the capillary height is 14.6cm, and the water evaporation rate is 100%; the after-burning time was 2.0s, the smoldering time was 2.3s, and the destruction length was 94 mm.
Example 5
Adding a softening agent with the concentration of 26g/L and a penetrating agent with the concentration of 2.5g/L into a tetramethylolphosphonium chloride urea condensate with the concentration of 370g/L, and carrying out double-dipping and double-rolling processing on the cotton woven fabric, wherein the mangle ratio of the fabric is 110%; drying at 80 deg.C and at a speed of 18 m/min; then ammonia fumigation is carried out under the conditions that the ammonia flow is 50 m/h and the speed is 12 m/min, and then the obtained product enters an open width washing machine containing a mixed solution of 9.5g/L of hydrogen peroxide and 2.5g/L of sodium hydroxide for oxidation, and the speed is 13 m/min; then washing the mixture in a washing tank at 80 ℃, 70 ℃ and 60 ℃ at the speed of 14 m/min; then drying the mixture in a drying cylinder at the temperature of 80 ℃, wherein the speed of the drying cylinder is 14 m/min; then the fabric is sent to a padder, and is soaked and rolled under 40g/L of water-dispersed polyurethane compound, and the mangle ratio is 95 percent; then drying in a tenter dryer at 100 ℃ and at a speed of 14 m/min; finally, baking was carried out at 180 ℃ for 30 seconds. The final fabric index was: the capillary height is 14.7cm, and the water evaporation rate is 100%; the after-burning time is 2.7s, the smoldering time is 3.0s, and the damage length is 103 mm.
Example 6
Adding a softening agent with the concentration of 24g/L and a penetrating agent with the concentration of 2.7g/L into a tetramethylolphosphonium chloride urea condensate with the concentration of 380g/L, and carrying out double-dipping and double-rolling processing on the cotton woven fabric, wherein the mangle ratio of the fabric is 100%; drying at 90 deg.C and speed of 16 m/min; then ammonia fumigation is carried out under the conditions that the ammonia flow is 50 m/h and the speed is 13 m/min, and then the obtained product enters an open width washing machine containing a mixed solution of 9g/L of hydrogen peroxide and 3g/L of sodium hydroxide for oxidation, wherein the speed is 14 m/min; then washing the mixture in a washing tank at 80 ℃, 70 ℃ and 60 ℃ at the speed of 17 m/min; then drying the mixture in a drying cylinder at the temperature of 80 ℃, wherein the speed of the drying cylinder is 16 m/min; then the fabric is sent to a padder, and is soaked and rolled under 37g/L of water-dispersed polyurethane compound, and the mangle ratio is 100 percent; then drying in a tenter dryer at the temperature of 100 ℃ and the speed of 12 m/min; finally, baking was carried out at 185 ℃ for 30 seconds. The final fabric index was: the capillary height is 14.3cm, and the water evaporation rate is 100%; the after-burning time is 2.6s, the smoldering time is 2.9s, and the damage length is 104 mm.
Example 7
Adding a softening agent with the concentration of 26g/L and a penetrating agent with the concentration of 3g/L into a tetramethylolphosphonium chloride urea condensate with the concentration of 300g/L, and carrying out double-dipping and double-rolling processing on the cotton woven fabric, wherein the mangle ratio of the fabric is 110%; drying at 90 deg.C and 10 m/min; then ammonia fumigation is carried out under the conditions that the ammonia flow is 50 m/h and the speed is 20 m/min, and then the obtained product enters an open width washing machine containing a mixed solution of 9g/L of hydrogen peroxide and 2.6g/L of sodium hydroxide for oxidation, and the speed is 14 m/min; then washing the mixture in a washing tank at 80 ℃, 70 ℃ and 60 ℃ at the speed of 15 m/min; then drying the mixture in a drying cylinder at the temperature of 80 ℃, wherein the speed of the drying cylinder is 15 m/min; then the fabric is sent to a padder, and is soaked and rolled under 30g/L of water-dispersed polyurethane compound, and the mangle ratio is 90 percent; then drying in a tenter dryer at 100 ℃ and at a speed of 14 m/min; finally, baking was carried out at 180 ℃ for 30 seconds. The final fabric index was: the capillary height is 13.7cm, and the water evaporation rate is 98%; the after-burning time was 2.9s, the smoldering time was 3.3s, and the burnout length was 117 mm.
The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, various changes and modifications can be made without departing from the overall concept of the present invention, and these should also be considered as the protection scope of the present invention.
Claims (8)
1. A preparation method of moisture-absorbing quick-drying flame-retardant fabric is characterized by comprising the following steps: the method comprises the following steps:
a, preparing flame-retardant finishing liquid, wherein the flame-retardant finishing liquid comprises a flame-retardant finishing agent, a softening agent and a penetrating agent;
b, padding, namely performing secondary soaking and secondary padding on the fabric in the flame-retardant finishing liquid obtained in the step a by using padding equipment, wherein the padding rate is 90-110%, so as to obtain a soaked fabric;
c, drying the soaked fabric obtained in the step b at the drying temperature of 70-100 ℃ to obtain a dried fabric;
d, performing ammonia smoking on the dried fabric obtained in the step c to obtain ammonia smoked fabric;
e, oxidizing, namely directly oxidizing the fabric subjected to ammonia fumigation obtained in the step d to obtain an oxidized fabric;
f, washing, namely washing the oxidized fabric obtained in the step e to obtain a washed fabric;
g, drying, namely putting the washed fabric obtained in the step f into a drying cylinder for drying, wherein the drying temperature is 80-100 ℃;
h, adding water with required dosage into a stirring barrel, adding the moisture absorption quick-drying finishing agent into the stirring barrel, uniformly stirring, and then carrying out padding finishing on the fabric obtained in the step g, wherein the padding rate is 100 percent;
i, putting the fabric obtained in the step h into a tenter for drying, wherein the drying temperature is 80-100 ℃;
j baking the fabric obtained in step i at the temperature of 180-.
2. The method for preparing moisture-absorbing quick-drying flame-retardant fabric according to claim 1, wherein the method comprises the following steps: the concentration of the flame-retardant finishing agent in the step a is 400g/L, the concentration of the softening agent is 20-30g/L, and the concentration of the penetrating agent is 2-4 g/L.
3. The method for preparing moisture-absorbing quick-drying flame-retardant fabric according to claim 2, wherein the method comprises the following steps: the flame-retardant finishing agent in the step a is a tetrakis (hydroxymethyl) phosphonium chloride urea condensate.
4. The method for preparing moisture-absorbing quick-drying flame-retardant fabric according to claim 3, wherein the method comprises the following steps: and d, during the ammonia fumigation process in the step d, the ammonia gas flow is 50 m/h.
5. The method for preparing moisture-absorbing quick-drying flame-retardant fabric according to claim 4, wherein the method comprises the following steps: and e, the oxidant is a mixed solution of hydrogen peroxide and sodium hydroxide, wherein the concentration of the oxidant is 8-10g/L, and the concentration of the sodium hydroxide is 2-3 g/L.
6. The method for preparing moisture-absorbing quick-drying flame-retardant fabric according to claim 5, wherein the method comprises the following steps: and f, in the washing process, washing at 80 ℃, 70 ℃ and 60 ℃ in a washing tank.
7. The method for preparing moisture-absorbing quick-drying flame-retardant fabric according to claim 6, wherein the method comprises the following steps: and h, the moisture absorption quick-drying finishing agent is a water-dispersible polyurethane compound, and the concentration is 40 g/L.
8. The method for preparing moisture-absorbing quick-drying flame-retardant fabric according to any one of claims 1 to 7, wherein: the fabric is a cotton woven fabric.
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| CN112796104A (en) * | 2020-12-11 | 2021-05-14 | 辛集市凯科瑞生物科技有限公司 | Durable flame-retardant finishing process for pure cotton with ultralow formaldehyde content |
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