CN108755125A - Fire-retardant ultraviolet resistant nylon fabric and preparation method thereof - Google Patents
Fire-retardant ultraviolet resistant nylon fabric and preparation method thereof Download PDFInfo
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- CN108755125A CN108755125A CN201810523769.XA CN201810523769A CN108755125A CN 108755125 A CN108755125 A CN 108755125A CN 201810523769 A CN201810523769 A CN 201810523769A CN 108755125 A CN108755125 A CN 108755125A
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- 239000004744 fabric Substances 0.000 title claims abstract description 134
- 229920001778 nylon Polymers 0.000 title claims abstract description 118
- 239000004677 Nylon Substances 0.000 title claims abstract description 116
- 239000003063 flame retardant Substances 0.000 title claims abstract description 65
- 238000002360 preparation method Methods 0.000 title claims abstract description 22
- 238000004519 manufacturing process Methods 0.000 title 1
- 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 claims abstract description 64
- VYFYYTLLBUKUHU-UHFFFAOYSA-N dopamine Chemical compound NCCC1=CC=C(O)C(O)=C1 VYFYYTLLBUKUHU-UHFFFAOYSA-N 0.000 claims abstract description 36
- 238000000034 method Methods 0.000 claims abstract description 34
- 239000000243 solution Substances 0.000 claims abstract description 29
- 239000006087 Silane Coupling Agent Substances 0.000 claims abstract description 23
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 claims abstract description 20
- 229910052698 phosphorus Inorganic materials 0.000 claims abstract description 20
- 239000011574 phosphorus Substances 0.000 claims abstract description 20
- 229960003638 dopamine Drugs 0.000 claims abstract description 18
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims abstract description 16
- 239000007864 aqueous solution Substances 0.000 claims abstract description 14
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 claims abstract description 11
- 238000001035 drying Methods 0.000 claims abstract description 11
- 229910052710 silicon Inorganic materials 0.000 claims abstract description 11
- 239000010703 silicon Substances 0.000 claims abstract description 11
- 125000003178 carboxy group Chemical group [H]OC(*)=O 0.000 claims abstract description 10
- 238000007598 dipping method Methods 0.000 claims abstract description 8
- 229910052757 nitrogen Inorganic materials 0.000 claims abstract description 8
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 claims abstract description 4
- 229910052717 sulfur Inorganic materials 0.000 claims abstract description 4
- 239000011593 sulfur Substances 0.000 claims abstract description 4
- 238000007654 immersion Methods 0.000 claims description 16
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 claims description 12
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 8
- 125000003396 thiol group Chemical group [H]S* 0.000 claims description 7
- 125000002924 primary amino group Chemical group [H]N([H])* 0.000 claims description 6
- 239000002904 solvent Substances 0.000 claims description 6
- 238000005096 rolling process Methods 0.000 claims description 4
- DCQBZYNUSLHVJC-UHFFFAOYSA-N 3-triethoxysilylpropane-1-thiol Chemical compound CCO[Si](OCC)(OCC)CCCS DCQBZYNUSLHVJC-UHFFFAOYSA-N 0.000 claims description 3
- 238000005406 washing Methods 0.000 claims description 3
- MORLYCDUFHDZKO-UHFFFAOYSA-N 3-[hydroxy(phenyl)phosphoryl]propanoic acid Chemical group OC(=O)CCP(O)(=O)C1=CC=CC=C1 MORLYCDUFHDZKO-UHFFFAOYSA-N 0.000 claims description 2
- SJECZPVISLOESU-UHFFFAOYSA-N 3-trimethoxysilylpropan-1-amine Chemical compound CO[Si](OC)(OC)CCCN SJECZPVISLOESU-UHFFFAOYSA-N 0.000 claims description 2
- UUEWCQRISZBELL-UHFFFAOYSA-N 3-trimethoxysilylpropane-1-thiol Chemical compound CO[Si](OC)(OC)CCCS UUEWCQRISZBELL-UHFFFAOYSA-N 0.000 claims description 2
- 239000002994 raw material Substances 0.000 abstract description 3
- 230000006750 UV protection Effects 0.000 abstract description 2
- 239000007822 coupling agent Substances 0.000 abstract 1
- 239000004753 textile Substances 0.000 description 8
- 239000003795 chemical substances by application Substances 0.000 description 6
- 230000000694 effects Effects 0.000 description 6
- 239000000835 fiber Substances 0.000 description 6
- 238000002485 combustion reaction Methods 0.000 description 4
- 239000011259 mixed solution Substances 0.000 description 4
- 239000000126 substance Substances 0.000 description 4
- 230000008569 process Effects 0.000 description 3
- 238000001878 scanning electron micrograph Methods 0.000 description 3
- 238000010521 absorption reaction Methods 0.000 description 2
- 125000003277 amino group Chemical group 0.000 description 2
- 238000002156 mixing Methods 0.000 description 2
- 229920001690 polydopamine Polymers 0.000 description 2
- 239000005871 repellent Substances 0.000 description 2
- 238000001228 spectrum Methods 0.000 description 2
- WYTZZXDRDKSJID-UHFFFAOYSA-N (3-aminopropyl)triethoxysilane Chemical compound CCO[Si](OCC)(OCC)CCCN WYTZZXDRDKSJID-UHFFFAOYSA-N 0.000 description 1
- 229920002818 (Hydroxyethyl)methacrylate Polymers 0.000 description 1
- OMRXVBREYFZQHU-UHFFFAOYSA-N 2,4-dichloro-1,3,5-triazine Chemical compound ClC1=NC=NC(Cl)=N1 OMRXVBREYFZQHU-UHFFFAOYSA-N 0.000 description 1
- QKNYBSVHEMOAJP-UHFFFAOYSA-N 2-amino-2-(hydroxymethyl)propane-1,3-diol;hydron;chloride Chemical compound Cl.OCC(N)(CO)CO QKNYBSVHEMOAJP-UHFFFAOYSA-N 0.000 description 1
- HTSVYUUXJSMGQC-UHFFFAOYSA-N 2-chloro-1,3,5-triazine Chemical compound ClC1=NC=NC=N1 HTSVYUUXJSMGQC-UHFFFAOYSA-N 0.000 description 1
- 125000003903 2-propenyl group Chemical group [H]C([*])([H])C([H])=C([H])[H] 0.000 description 1
- NIXOWILDQLNWCW-UHFFFAOYSA-M Acrylate Chemical compound [O-]C(=O)C=C NIXOWILDQLNWCW-UHFFFAOYSA-M 0.000 description 1
- 239000002028 Biomass Substances 0.000 description 1
- 229920003043 Cellulose fiber Polymers 0.000 description 1
- YCKRFDGAMUMZLT-UHFFFAOYSA-N Fluorine atom Chemical compound [F] YCKRFDGAMUMZLT-UHFFFAOYSA-N 0.000 description 1
- WOBHKFSMXKNTIM-UHFFFAOYSA-N Hydroxyethyl methacrylate Chemical compound CC(=C)C(=O)OCCO WOBHKFSMXKNTIM-UHFFFAOYSA-N 0.000 description 1
- 238000006845 Michael addition reaction Methods 0.000 description 1
- CBENFWSGALASAD-UHFFFAOYSA-N Ozone Chemical compound [O-][O+]=O CBENFWSGALASAD-UHFFFAOYSA-N 0.000 description 1
- 208000000453 Skin Neoplasms Diseases 0.000 description 1
- 239000007983 Tris buffer Substances 0.000 description 1
- 239000006096 absorbing agent Substances 0.000 description 1
- 239000002253 acid Substances 0.000 description 1
- 239000003513 alkali Substances 0.000 description 1
- 230000003712 anti-aging effect Effects 0.000 description 1
- 230000000844 anti-bacterial effect Effects 0.000 description 1
- QRUDEWIWKLJBPS-UHFFFAOYSA-N benzotriazole Chemical compound C1=CC=C2N[N][N]C2=C1 QRUDEWIWKLJBPS-UHFFFAOYSA-N 0.000 description 1
- 239000012964 benzotriazole Substances 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- AFOSIXZFDONLBT-UHFFFAOYSA-N divinyl sulfone Chemical compound C=CS(=O)(=O)C=C AFOSIXZFDONLBT-UHFFFAOYSA-N 0.000 description 1
- 238000007730 finishing process Methods 0.000 description 1
- 229910052731 fluorine Inorganic materials 0.000 description 1
- 239000011737 fluorine Substances 0.000 description 1
- 125000002887 hydroxy group Chemical group [H]O* 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000002844 melting Methods 0.000 description 1
- 230000008018 melting Effects 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 239000000178 monomer Substances 0.000 description 1
- 239000002105 nanoparticle Substances 0.000 description 1
- 231100000252 nontoxic Toxicity 0.000 description 1
- 230000003000 nontoxic effect Effects 0.000 description 1
- 239000003921 oil Substances 0.000 description 1
- 229920000728 polyester Polymers 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 230000004224 protection Effects 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 102000004169 proteins and genes Human genes 0.000 description 1
- 108090000623 proteins and genes Proteins 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
- 150000003254 radicals Chemical class 0.000 description 1
- 230000009257 reactivity Effects 0.000 description 1
- 238000010517 secondary reaction Methods 0.000 description 1
- 201000000849 skin cancer Diseases 0.000 description 1
- 238000002791 soaking Methods 0.000 description 1
- 230000002195 synergetic effect Effects 0.000 description 1
- 229920002994 synthetic fiber Polymers 0.000 description 1
- 239000012209 synthetic fiber Substances 0.000 description 1
- 229920001169 thermoplastic Polymers 0.000 description 1
- 239000004416 thermosoftening plastic Substances 0.000 description 1
- 238000002834 transmittance Methods 0.000 description 1
- LENZDBCJOHFCAS-UHFFFAOYSA-N tris Chemical compound OCC(N)(CO)CO LENZDBCJOHFCAS-UHFFFAOYSA-N 0.000 description 1
- 239000006097 ultraviolet radiation absorber 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
- D06M13/50—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with non-macromolecular organic compounds; Such treatment combined with mechanical treatment with organometallic compounds; with organic compounds containing boron, silicon, selenium or tellurium atoms
- D06M13/51—Compounds with at least one carbon-metal or carbon-boron, carbon-silicon, carbon-selenium, or carbon-tellurium bond
- D06M13/513—Compounds with at least one carbon-metal or carbon-boron, carbon-silicon, carbon-selenium, or carbon-tellurium bond with at least one carbon-silicon bond
-
- 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
- D06M13/288—Phosphonic or phosphonous acids 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
- D06M13/322—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
- D06M13/368—Hydroxyalkylamines; Derivatives thereof, e.g. Kritchevsky bases
-
- 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
- D06M2101/16—Synthetic fibres, other than mineral fibres
- D06M2101/30—Synthetic polymers consisting of macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds
- D06M2101/34—Polyamides
-
- 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
- D06M2200/25—Resistance to light or sun, i.e. protection of the textile itself as well as UV shielding materials or treatment compositions therefor; Anti-yellowing treatments
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Textile Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Inorganic Chemistry (AREA)
- Organic Chemistry (AREA)
- Treatments For Attaching Organic Compounds To Fibrous Goods (AREA)
Abstract
本发明涉及一种阻燃抗紫外尼龙织物的制备方法：将表面洁净的尼龙织物浸渍于多巴胺水溶液中，得到多巴胺改性尼龙织物；然后将多巴胺改性尼龙织物浸渍于带氨基或巯基的硅烷偶联剂溶液中，烘干后得到硅烷偶联剂修饰的改性尼龙织物；最后采用带羧基的含磷阻燃剂溶液浸轧整理硅烷偶联剂修饰的改性尼龙织物。本发明还要求保护采用上述方法所制备的阻燃抗紫外尼龙织物，织物中磷元素的含量≥2.0wt％，氮元素的含量≥8.6wt％，硅元素的含量≥2.4wt％，硫元素的含量≥0wt％。本发明制备方法简便易行，对设备要求低，原料环保，最终制备的织物具有优良的阻燃性能和抗紫外性能，首次熔滴出现的时间≥23.1s，UPF值≥200。
The invention relates to a preparation method of a flame-retardant and anti-ultraviolet nylon fabric: dipping a nylon fabric with a clean surface in an aqueous solution of dopamine to obtain a dopamine-modified nylon fabric; The modified nylon fabric modified by the silane coupling agent is obtained after drying in the coupling agent solution; finally, the modified nylon fabric modified by the silane coupling agent is adjusted by padding with a carboxyl-containing phosphorus flame retardant solution. The present invention also claims to protect the flame-retardant and anti-ultraviolet nylon fabric prepared by the above method, the content of phosphorus element in the fabric is ≥ 2.0wt%, the content of nitrogen element is ≥ 8.6wt%, the content of silicon element is ≥ 2.4wt%, and the content of sulfur element is Content ≥ 0wt%. The preparation method of the present invention is simple and easy to implement, has low requirements on equipment, and the raw materials are environmentally friendly. The finally prepared fabric has excellent flame retardancy and ultraviolet resistance, the time for the first molten drop to appear is ≥ 23.1s, and the UPF value is ≥ 200.
Description
技术领域technical field
本发明涉及纺织品功能整理领域，尤其涉及一种阻燃抗紫外尼龙织物及其制备方法。The invention relates to the field of functional finishing of textiles, in particular to a flame-retardant and ultraviolet-resistant nylon fabric and a preparation method thereof.
背景技术Background technique
尼龙纤维(锦纶)作为一种合成纤维，具有质轻、易洗快干、不怕霉蛀、强度高和耐酸碱等优点，其在纺织领域应用广泛。现如今，随着人们生活水平的提高，人们对于纺织品的要求也越来越高。尼龙纤维作为热塑性纤维，由于其熔点低于着火点，在燃烧的过程中，极易收缩，并产生大量的熔滴，带有火焰的熔滴不但可能会灼伤皮肤，还可能会点燃其他易燃物质使得火焰迅速蔓延，引发火灾，从而导致大量人力财力的损失。因此，对尼龙织物进行阻燃处理极其重要。As a synthetic fiber, nylon fiber (nylon) has the advantages of light weight, easy washing and quick drying, no fear of mildew, high strength and acid and alkali resistance, etc. It is widely used in the textile field. Nowadays, with the improvement of people's living standards, people's requirements for textiles are getting higher and higher. Nylon fiber is a thermoplastic fiber, because its melting point is lower than the ignition point, it is easy to shrink during the burning process and produces a large number of molten droplets. The molten droplets with flames may not only burn the skin, but may also ignite other flammable substances The flame spreads rapidly, causing a fire, resulting in a large amount of human and financial losses. Therefore, it is extremely important to perform flame retardant treatment on nylon fabrics.
目前，尼龙阻燃主要采取两种方法，其一是通过添加阻燃剂共混，另一种是采用后整理方法。例如专利CN 201510585602.2公开了一种高效阻燃锦纶丝的制备，采用的是添加阻燃剂共混法，添加了纳米粒子、含磷物质、金属无机物等，熔融纺丝，在保证阻燃性的同时还能提高织物的耐磨性能。但上述方法只能运用于纺织品的制备过程中，无法应用于已经成型的尼龙织物。At present, there are mainly two methods for nylon flame retardant, one is blending by adding flame retardants, and the other is the use of post-finishing methods. For example, the patent CN 201510585602.2 discloses the preparation of a high-efficiency flame-retardant nylon yarn, which uses a flame-retardant blending method, adds nanoparticles, phosphorus-containing substances, metal inorganic substances, etc., and melt-spins to ensure flame retardancy. At the same time, it can also improve the wear resistance of the fabric. But above-mentioned method can only be applied in the preparation process of textile, can't be applied to the nylon fabric that has formed.
对于已经成型的尼龙织物，通常会采用后整理的方法，例如专利CN201610996131.9公开了一种用于锦纶织物的阻燃与拒水整理剂的制备，主要采用烯丙基卤对四溴双酚S进行改性，将得到的带有双键的阻燃单体再与含氟丙烯酸酯、甲基丙烯酸羟乙酯进行共聚反应，制备了具有阻燃与拒水功能的整理剂，赋予锦纶织物阻燃性和拒水性，同时该整理剂在焙烘过程中能够与锦纶织物发生交联作用从而也提高了其耐水洗性。For nylon fabrics that have been formed, post-finishing methods are usually used. For example, patent CN201610996131.9 discloses the preparation of a flame-retardant and water-repellent finishing agent for nylon fabrics, mainly using allyl halide-tetrabromobisphenol S is modified, and the obtained flame-retardant monomer with double bonds is copolymerized with fluorine-containing acrylate and hydroxyethyl methacrylate to prepare a finishing agent with flame-retardant and water-repellent functions, which endows nylon fabrics with Flame retardancy and water repellency. At the same time, the finishing agent can cross-link with nylon fabric during the baking process, thereby improving its washing resistance.
后整理的方法具有工艺简单和易操作等优点，但由于尼龙织物表面反应性基团较少，并且阻燃剂难以渗入织物的内部，使得阻燃效果不佳。此外，通常单一阻燃功能的纺织品无法满足人们的需求，制备多功能纺织品是一种趋势。而目前由于大气层中臭氧空洞的出现，紫外线辐射导致的皮肤癌发病率剧增，人们对于抗紫外功能的纺织品的具有一定的需求。The post-finishing method has the advantages of simple process and easy operation, but because the reactive groups on the surface of nylon fabric are less, and it is difficult for the flame retardant to penetrate into the interior of the fabric, the flame retardant effect is not good. In addition, textiles with a single flame-retardant function cannot meet people's needs, and it is a trend to prepare multifunctional textiles. At present, due to the appearance of the ozone hole in the atmosphere, the incidence of skin cancer caused by ultraviolet radiation has increased sharply, and people have a certain demand for textiles with anti-ultraviolet function.
紫外吸收剂对纤维素纤维、蛋白质纤维和聚酯纤维的抗紫外整理已较多出现，但在尼龙织物中的应用则鲜见报道。唐慧等人采用反应型(UV-I(二氯均三嗪活性基)、UV-II(乙烯砜/一氯均三嗪活性基))和非反应型(UV-III(苯并三唑类))紫外吸收剂对尼龙织物进行紫外线防护整理，在一定条件下，整理后织物的UPF值为10～40；姜洪武采用黄连色素对锦纶织物进行染色及功能整理，结果表明，黄连色素染色锦纶的适宜条件为pH＝9、温度50℃，染色锦纶织物显示出较好的紫外线防护性能及抗菌性能，UPF值能达到40。以上采用后整理方式获得的功能性尼龙织物具有一定的抗紫外效果，但同时具有抗紫外和阻燃功能性的尼龙织物的制备鲜有报道。Anti-ultraviolet finishing of cellulose fibers, protein fibers and polyester fibers by ultraviolet absorbers has been widely seen, but the application in nylon fabrics is rarely reported. People such as Tang Hui adopt reactive type (UV-I (dichloro-s-triazine active group), UV-II (vinyl sulfone/one chloro-s-triazine active group)) and non-reactive (UV-III (benzotriazole active group) class)) ultraviolet absorber for nylon fabric UV protective finishing, under certain conditions, the UPF value of the fabric after finishing is 10 ~ 40; The suitable conditions for nylon are pH=9, temperature 50°C, dyed nylon fabric shows good UV protection performance and antibacterial performance, and the UPF value can reach 40. The functional nylon fabrics obtained by the post-finishing method above have a certain anti-ultraviolet effect, but there are few reports on the preparation of nylon fabrics with both anti-ultraviolet and flame-retardant functions.
因此，研究一种具有优良的阻燃性能和抗紫外性能的阻燃抗紫外尼龙织物具有十分重要的意义。Therefore, it is of great significance to study a kind of flame-retardant and anti-ultraviolet nylon fabric with excellent flame-retardant properties and anti-ultraviolet properties.
发明内容Contents of the invention
为解决上述现有技术中后整理得到的尼龙织物阻燃和抗紫外效果不佳的缺点，本发明的目的是提供一种阻燃抗紫外尼龙织物及其制备方法，其制备方法简便易行，对设备要求低，原料环保，最终制备的织物具有优良的阻燃性能和抗紫外性能，首次熔滴出现的时间≥23.1s，UPF值≥200。In order to solve the shortcomings of the flame-retardant and anti-ultraviolet effect of the nylon fabric obtained after finishing in the above-mentioned prior art, the purpose of the present invention is to provide a kind of flame-retardant and anti-ultraviolet nylon fabric and its preparation method, and its preparation method is simple and easy, The requirements for equipment are low, the raw materials are environmentally friendly, and the final prepared fabric has excellent flame retardant properties and anti-ultraviolet properties. The time for the first molten drop to appear is ≥ 23.1s, and the UPF value is ≥ 200.
一方面，本发明提供了一种阻燃抗紫外尼龙织物的制备方法，包括以下步骤：On the one hand, the invention provides a kind of preparation method of flame-retardant anti-ultraviolet nylon fabric, comprises the following steps:
(1)按照浴比为1:30-80，将表面洁净的尼龙织物浸渍于pH值为8-9的浓度为1-5g/L多巴胺水溶液中，浸渍温度为35-55℃，处理时间为20-26h，得到多巴胺改性尼龙织物；(1) According to the bath ratio of 1:30-80, immerse the nylon fabric with clean surface in the pH value of 8-9 and the concentration of 1-5g/L dopamine aqueous solution, the immersion temperature is 35-55 ℃, and the treatment time is 20-26h, obtain dopamine modified nylon fabric;
(2)将所述多巴胺改性尼龙织物浸渍于带氨基或巯基的硅烷偶联剂溶液中，浸渍温度为60-85℃，烘干后得到修饰有硅烷偶联剂的改性尼龙织物；(2) immersing the dopamine-modified nylon fabric in a solution of a silane coupling agent with an amino group or a mercapto group, the immersion temperature being 60-85° C., and drying to obtain a modified nylon fabric modified with a silane coupling agent;
(3)采用带羧基的含磷阻燃剂溶液浸轧整理所述修饰有硅烷偶联剂的改性尼龙织物，得到所述阻燃抗紫外尼龙织物。(3) Padding and finishing the modified nylon fabric modified with the silane coupling agent by using a carboxyl-containing phosphorus flame retardant solution to obtain the flame-retardant and UV-resistant nylon fabric.
进一步地，在步骤(1)中，采用Tris和Tris-HCl调节多巴胺水溶液的pH值。优选地，多巴胺水溶液的pH值为8.5。Further, in step (1), use Tris and Tris-HCl to adjust the pH value of the dopamine aqueous solution. Preferably, the pH value of the dopamine aqueous solution is 8.5.
优选地，在步骤(1)中，多巴胺水溶液的浓度为1g/L，浸渍温度45℃，处理时间18h。Preferably, in step (1), the concentration of the dopamine aqueous solution is 1 g/L, the immersion temperature is 45° C., and the treatment time is 18 hours.
进一步地，在步骤(2)中，带氨基或巯基的硅烷偶联剂为γ-氨丙基三甲氧基硅烷(KH540)、γ-氨丙基三乙氧基硅烷(KH550)、γ-巯丙基三乙氧基硅烷(KH580)或γ-巯丙基三甲氧基硅烷(KH590)。Further, in step (2), the silane coupling agents with amino or mercapto groups are γ-aminopropyltrimethoxysilane (KH540), γ-aminopropyltriethoxysilane (KH550), γ-mercapto Propyltriethoxysilane (KH580) or γ-mercaptopropyltrimethoxysilane (KH590).
进一步地，在步骤(2)中，所述带氨基或巯基的硅烷偶联剂溶液的浓度为60-150g/L，使用的溶剂为乙醇和水。Further, in step (2), the concentration of the silane coupling agent solution with amino or mercapto groups is 60-150 g/L, and the solvents used are ethanol and water.
进一步地，在步骤(2)中，浸渍时间为1-3h，优选地，时间为1-2h。Further, in step (2), the soaking time is 1-3h, preferably, the time is 1-2h.
进一步地，在步骤(2)中，烘干温度为80-100℃，时间为10-15min。Further, in step (2), the drying temperature is 80-100° C., and the drying time is 10-15 minutes.
进一步地，在步骤(3)中，带羧基的含磷阻燃剂为2-羧乙基苯基次磷酸(CEPPA)。Further, in step (3), the phosphorus-containing flame retardant with carboxyl groups is 2-carboxyethylphenylphosphinic acid (CEPPA).
进一步地，在步骤(3)中，所述带羧基的含磷阻燃剂溶液的浓度为40-100g/L。Further, in step (3), the concentration of the carboxyl-containing phosphorus-containing flame retardant solution is 40-100 g/L.
进一步地，在步骤(3)中，采用两浸两轧的浸轧整理方式，浸轧整理时预烘温度为70-90℃，时间为10-20min，焙烘温度为130-170℃，时间为1-5min。Further, in step (3), the padding finishing method of two dipping and two rolling is adopted, the pre-baking temperature is 70-90°C during padding finishing, the time is 10-20min, the baking temperature is 130-170°C, and the time is 1-5min.
另一方面，本发明还要求保护一种采用上述制备方法所制备的阻燃抗紫外尼龙织物，织物中磷元素的含量≥2.0wt％，氮元素的含量≥8.6wt％，硅元素的含量≥2.4wt％，硫元素的含量≥0wt％On the other hand, the present invention also claims to protect a kind of flame-retardant and anti-ultraviolet nylon fabric prepared by the above preparation method, the content of phosphorus element in the fabric is ≥ 2.0wt%, the content of nitrogen element is ≥ 8.6wt%, and the content of silicon element is ≥ 2.4wt%, sulfur content ≥ 0wt%
进一步地，阻燃抗紫外尼龙织物燃烧时首次熔滴出现的时间≥23.1s，UPF值≥200。Further, when the flame-retardant and anti-ultraviolet nylon fabric burns, the time for the first droplet to appear is ≥ 23.1s, and the UPF value is ≥ 200.
本发明的上述制备方法，是通过对尼龙织物进行后整理得到的，用于后整理的尼龙织物为既不含阻燃剂也不含抗紫外剂的织物。其制备原理如下：The above-mentioned preparation method of the present invention is obtained by finishing nylon fabrics, and the nylon fabrics used for finishing are fabrics that do not contain flame retardants or anti-ultraviolet agents. Its preparation principle is as follows:
由于尼龙织物表面反应性基团极少，故首先采用生物质材料多巴胺在弱碱性的水溶液中改性尼龙织物，在其表面形成聚多巴胺层，赋予其一定的颜色，同时为织物表面提供反应基团，能够作为二次反应平台与其他自由基团进行反应。Since there are very few reactive groups on the surface of nylon fabrics, firstly, the biomass material dopamine is used to modify nylon fabrics in a weakly alkaline aqueous solution to form a polydopamine layer on the surface, endowing it with a certain color, and at the same time providing a reaction for the surface of the fabric. group, which can act as a secondary reaction platform to react with other free radicals.
之后采用硅烷偶联剂进行处理，多巴胺改性后的尼龙织物能与硅烷偶联剂中的氨基或巯基发生迈克尔加成反应，硅烷偶联剂结构中的氮元素、硅元素或硫元素具有一定的阻燃作用，同时能够赋予尼龙织物更高的反应性能。Afterwards, the silane coupling agent is used for treatment. The nylon fabric modified by dopamine can undergo Michael addition reaction with the amino or mercapto groups in the silane coupling agent. The nitrogen, silicon or sulfur elements in the structure of the silane coupling agent have a certain Flame retardant effect, while giving nylon fabrics higher reactivity.
最后，接入带羧基的含磷阻燃剂，利用修饰有硅烷偶联剂的改性尼龙织物表面的氨基或羟基与阻燃剂上的羧基进行反应，有效提高阻燃剂与织物之间的结合力。由于带羧基的含磷阻燃剂分子量小，含磷量较高，能够与硅烷偶联剂中硅元素起到协同阻燃的作用，有效抑制尼龙织物熔滴的产生。Finally, a phosphorus-containing flame retardant with a carboxyl group is added, and the amino group or hydroxyl group on the surface of the modified nylon fabric modified with a silane coupling agent is used to react with the carboxyl group on the flame retardant to effectively improve the flame retardant and the fabric. Binding force. Due to the small molecular weight and high phosphorus content of the phosphorus-containing flame retardant with carboxyl group, it can play a synergistic flame-retardant effect with the silicon element in the silane coupling agent, and effectively suppress the generation of molten droplets on nylon fabrics.
此外，使用多巴胺改性尼龙织物，能够赋予织物深棕色，具有一定的透射、反射和部分吸收紫外线效果，从而提高了织物的抗紫外线性能。In addition, the use of dopamine-modified nylon fabric can endow the fabric with a dark brown color, which has a certain effect of transmission, reflection and partial absorption of ultraviolet light, thereby improving the anti-ultraviolet performance of the fabric.
借由上述方案，本发明至少具有以下优点：By means of the above solution, the present invention has at least the following advantages:
(1)采用本发明的方法所制备的阻燃抗紫外尼龙织物，能有效延长首次熔滴出现的时间，同时UPF值达到200，在改善织物燃烧性能的同时，有效提高了尼龙织物的抗紫外抗老化性能。现有技术中后整理得到的尼龙织物的首次熔滴出现的时间大多数为小于15s，后整理得到的抗紫外尼龙织物的UPF值大多数为30-150，本发明与现有技术相比，在燃烧过程中首次熔滴出现的时间明显延长，本发明整理后的尼龙阻燃和抗熔滴性能优良，此外，本发明整理后的尼龙织物UPF值远高于一般抗紫外尼龙织物，说明本发明的方法相对于现有技术更能提高尼龙织物的抗紫外性能。(1) The flame-retardant and anti-ultraviolet nylon fabric prepared by the method of the present invention can effectively prolong the time for the first droplet to appear, and the UPF value reaches 200 simultaneously, and effectively improves the anti-ultraviolet of the nylon fabric while improving the combustion performance of the fabric Anti-aging properties. In the prior art, the time for the first droplet to appear in the nylon fabric obtained after finishing is mostly less than 15s, and the UPF value of the anti-ultraviolet nylon fabric obtained after finishing is mostly 30-150. Compared with the prior art, the present invention has The time for the first droplet to appear in the combustion process is obviously prolonged, and the flame-retardant and anti-droplet properties of the nylon fabric after finishing according to the present invention are excellent. In addition, the UPF value of the nylon fabric after finishing according to the present invention is much higher than that of general UV-resistant nylon fabrics, which shows that this Compared with the prior art, the inventive method can improve the anti-ultraviolet performance of the nylon fabric.
(2)本发明的阻燃抗紫外尼龙织物的制备方法，简便易行，对设备要求低，制备过程中使用的原料环保易得，无毒无害，具有极好的工业化推广价值。(2) The preparation method of the flame-retardant and anti-ultraviolet nylon fabric of the present invention is simple and easy to implement, has low requirements on equipment, and the raw materials used in the preparation process are environmentally friendly and easy to obtain, non-toxic and harmless, and have excellent industrialization promotion value.
上述说明仅是本发明技术方案的概述，为了能够更清楚了解本发明的技术手段，并可依照说明书的内容予以实施，以下以本发明的较佳实施例并配合附图详细说明如后。The above description is only an overview of the technical solutions of the present invention. In order to understand the technical means of the present invention more clearly and implement them according to the contents of the description, the preferred embodiments of the present invention and accompanying drawings are described in detail below.
附图说明Description of drawings
图1为未经处理的尼龙织物的扫描电镜图；Fig. 1 is the scanning electron micrograph of untreated nylon fabric;
图2为经本发明实施例1的方法处理后的尼龙织物的扫描电镜图；Fig. 2 is the scanning electron micrograph of the nylon fabric after the method processing of the embodiment of the present invention 1;
图3为本发明实施例1制得的阻燃抗紫外尼龙织物表面的能谱图；Fig. 3 is the energy spectrogram of the flame-retardant anti-ultraviolet nylon fabric surface that the embodiment of the present invention 1 makes;
图4为未经处理的尼龙织物(标1)与经本发明实施例1的方法处理后的尼龙织物(标2)的抗紫外性能对比曲线图；Fig. 4 is the contrast curve figure of anti-ultraviolet property of untreated nylon fabric (mark 1) and the nylon fabric (mark 2) after the method treatment of the embodiment of the present invention 1;
图5为经本发明实施例2的方法处理后的尼龙织物的扫描电镜图；Fig. 5 is the scanning electron micrograph of the nylon fabric processed by the method of the embodiment of the present invention 2;
图6为本发明实施例2制得的阻燃抗紫外织物表面的能谱图。Fig. 6 is an energy spectrum diagram of the surface of the flame-retardant and anti-ultraviolet fabric prepared in Example 2 of the present invention.
具体实施方式Detailed ways
下面结合附图和实施例，对本发明的具体实施方式作进一步详细描述。以下实施例用于说明本发明，但不用来限制本发明的范围。The specific implementation manners of the present invention will be further described in detail below in conjunction with the accompanying drawings and embodiments. The following examples are used to illustrate the present invention, but are not intended to limit the scope of the present invention.
本发明以下实施例中，对尼龙织物进行阻燃抗紫外整理，在整理前，不需要对尼龙织物进行特殊处理，只要表面洁净无油污即可。In the following examples of the present invention, the nylon fabric is subjected to flame-retardant and anti-ultraviolet finishing. Before finishing, the nylon fabric does not need to be specially treated, as long as the surface is clean and free of oil.
实施例1Example 1
一种阻燃抗紫外尼龙织物的制备方法，具体制备步骤如下：A method for preparing a flame-retardant and anti-ultraviolet nylon fabric, the specific preparation steps are as follows:
(1)按照浴比为1:80，采用pH值为8.5的多巴胺水溶液浸渍整理洗后尼龙织物得到多巴胺改性的尼龙织物，其中浸渍温度为50℃，浸渍时间为20h，多巴胺水溶液的浓度为1g/L。(1) According to the bath ratio of 1:80, adopt the dopamine aqueous solution with a pH value of 8.5 to impregnate and finish the washed nylon fabric to obtain dopamine-modified nylon fabric, wherein the immersion temperature is 50 ° C, the immersion time is 20h, and the concentration of the dopamine aqueous solution is 1g/L.
(2)采用KH550溶液浸渍整理多巴胺改性的尼龙织物，烘干后得到KH550修饰的改性尼龙织物，其中浸渍温度为70℃，浸渍时间为2h，KH550溶液的浓度为100g/L，烘干，KH550溶液中的溶剂为乙醇和水的混合溶液(质量比为7:3)。(2) The dopamine-modified nylon fabric was impregnated with KH550 solution, and the modified nylon fabric modified by KH550 was obtained after drying. , The solvent in the KH550 solution is a mixed solution of ethanol and water (mass ratio is 7:3).
(3)采用CEPPA溶液浸轧整理KH550修饰的改性尼龙织物得到阻燃抗紫外尼龙织物，其中浸轧整理采用两浸两轧的方式，浸轧整理时预烘的温度为80℃，时间为20min，焙烘的温度为130℃，时间为3min，CEPPA的浓度为40g/L。(3) The modified nylon fabric modified with CEPPA solution padding KH550 is used to obtain the flame-retardant and anti-ultraviolet nylon fabric, wherein the padding finishing adopts the mode of two dipping and two rolling, and the pre-drying temperature is 80 ° C during the padding finishing, and the time is 20min, the temperature of baking is 130°C, the time is 3min, and the concentration of CEPPA is 40g/L.
以上步骤最终制得的阻燃抗紫外尼龙织物与未经后整理的尼龙织物相比较，本发明经后整理的尼龙织物颜色发生了变化，变为棕色，说明在后整理过程中多巴胺改性的尼龙织物在其表面形成了聚多巴胺层。现有技术中未处理尼龙织物的表面形貌如图1所示，其表面光滑，每根纤维清晰可见，采用本发明实施例1的整理方法制得的阻燃抗紫外尼龙织物表面形貌如图2所示，可看出织物表面涂覆有一层物质，纤维与纤维之间粘结在一起，说明整理剂成功粘附于织物表面与纤维之间。Compared with the nylon fabric without post-finishing, the flame-retardant and anti-ultraviolet nylon fabric finally made by the above steps, the color of the nylon fabric after post-finishing of the present invention has changed, and becomes brown, indicating that dopamine is modified in the post-finishing process. The nylon fabric has a polydopamine layer formed on its surface. The surface morphology of the untreated nylon fabric in the prior art is shown in Figure 1. Its surface is smooth and each fiber is clearly visible. As shown in Figure 2, it can be seen that the surface of the fabric is coated with a layer of substance, and the fibers are bonded together, indicating that the finishing agent is successfully adhered between the surface of the fabric and the fibers.
本发明制备的阻燃抗紫外尼龙织物的表面能谱图如图3所示，从图中可以清晰得知其表面含有磷元素、硅元素和氮元素，且织物中磷元素的含量为2.045wt％，硅元素的含量为2.409wt％，氮元素的含量为11.368wt％。The surface energy spectrum of the flame-retardant and anti-ultraviolet nylon fabric prepared by the present invention is shown in Figure 3. From the figure, it can be clearly known that its surface contains phosphorus, silicon and nitrogen, and the content of phosphorus in the fabric is 2.045wt %, the content of silicon element is 2.409wt%, and the content of nitrogen element is 11.368wt%.
测纺织品燃烧性能，测得未处理尼龙织物剧烈燃烧，并伴随着大量熔滴的产生。而本实施例制备出的阻燃抗紫外尼龙织物燃烧时，首次熔滴出现时间为23.1s。图4是本发明的阻燃抗紫外尼龙织物和现有技术中未经后整理的尼龙织物的抗紫外性能对比曲线图，从图中可看出，未经处理的尼龙织物1对于UVA和UVB透过率极高，其UPF值只有2，处理后的尼龙织物2对于UVA和UVB都有极强的吸收力，其UPF值达到了200，抗紫外性能优异，防护性能极好。The combustion performance of textiles was measured, and it was measured that the untreated nylon fabric burned violently, accompanied by the generation of a large number of molten droplets. However, when the flame-retardant and UV-resistant nylon fabric prepared in this example burns, the time for the first droplet to appear is 23.1s. Fig. 4 is the anti-ultraviolet performance contrast curve figure of the flame-retardant anti-ultraviolet nylon fabric of the present invention and the nylon fabric of the prior art without finishing, as can be seen from the figure, the untreated nylon fabric 1 is for UVA and UVB The transmittance is extremely high, and its UPF value is only 2. The treated nylon fabric 2 has strong absorption for UVA and UVB, and its UPF value reaches 200. It has excellent anti-ultraviolet performance and excellent protection performance.
实施例2Example 2
一种阻燃抗紫外尼龙织物的制备方法，具体制备步骤如下：A method for preparing a flame-retardant and anti-ultraviolet nylon fabric, the specific preparation steps are as follows:
(1)按照浴比为1:80，采用pH值为8.5的多巴胺水溶液浸渍整理洗后尼龙织物得到多巴胺改性的尼龙织物，其中浸渍温度为45℃，浸渍时间为20h，多巴胺水溶液的浓度为1g/L。(1) According to the bath ratio of 1:80, the dopamine aqueous solution with a pH value of 8.5 was used to impregnate and finish the washed nylon fabric to obtain a dopamine-modified nylon fabric. 1g/L.
(2)采用KH550溶液浸渍整理多巴胺改性的尼龙织物后烘干得到硅烷偶联剂修饰的改性尼龙织物，其中浸渍温度为70℃，浸渍时间为2h，KH550溶液的浓度为120g/L，烘干，KH550溶液中的溶剂为乙醇和水的混合溶液(质量比为3:1)。(2) After impregnating and finishing the dopamine-modified nylon fabric with KH550 solution, dry it to obtain the modified nylon fabric modified by silane coupling agent, wherein the immersion temperature is 70°C, the immersion time is 2h, and the concentration of KH550 solution is 120g/L. Drying, the solvent in the KH550 solution is a mixed solution of ethanol and water (mass ratio is 3:1).
(3)采用CEPPA溶液浸轧整理硅烷偶联剂修饰的改性尼龙织物得到阻燃抗紫外尼龙织物，其中浸轧整理采用两浸两轧的方式，浸轧整理时预烘的温度为80℃，时间为10min，焙烘的温度为130℃，时间为3min，CEPPA的浓度为60g/L。(3) The modified nylon fabric modified by the silane coupling agent is obtained by padding with CEPPA solution to obtain a flame-retardant and anti-ultraviolet nylon fabric, wherein the padding finishing adopts the method of two dipping and two rolling, and the pre-baking temperature during the padding finishing is 80 ° C. , the time is 10min, the temperature of baking is 130°C, the time is 3min, and the concentration of CEPPA is 60g/L.
本实施例最终制得的阻燃抗紫外尼龙织物的阻燃性能优良，图5为经实施例2整理后的尼龙织物的表面形貌，可看出纤维与纤维之间粘结在一起，其表面附着整理剂，但由于阻燃剂溶液浓度的增多，尼龙织物比经实施例1(如图3所示)处理后的织物表面更加的粗糙。图6是实施例2制备的阻燃抗紫外尼龙织物的表面能谱图，可得知其表面含有相对实施例1更多的磷元素和硅元素，织物中磷元素的含量为2.502wt％，硅元素的含量为2.725wt％，氮元素的含量为9.684wt％。因此，更多的磷元素和硅元素附着在本实施例处理的织物表面，大大提高了织物的阻燃和抗紫外性能。测得经过整理后的尼龙织物首次熔滴出现时间为25.4s。得到的阻燃抗紫外尼龙织物的UPF值为203，抗紫外性能优良。The flame-retardant and anti-ultraviolet nylon fabric finally obtained in this embodiment has excellent flame-retardant properties. The finishing agent is attached to the surface, but due to the increase of the concentration of the flame retardant solution, the surface of the nylon fabric is rougher than that of the fabric treated in Example 1 (as shown in Figure 3). Fig. 6 is the surface energy spectrogram of the flame-retardant and anti-ultraviolet nylon fabric prepared in Example 2. It can be known that its surface contains more phosphorus and silicon elements than in Example 1, and the content of phosphorus in the fabric is 2.502wt%. The content of silicon element is 2.725wt%, and the content of nitrogen element is 9.684wt%. Therefore, more phosphorus elements and silicon elements are attached to the surface of the fabric treated in this embodiment, which greatly improves the flame retardancy and anti-ultraviolet properties of the fabric. It is measured that the first droplet appearance time of the finished nylon fabric is 25.4s. The UPF value of the obtained flame-retardant and anti-ultraviolet nylon fabric is 203, and the anti-ultraviolet performance is excellent.
实施例3Example 3
一种阻燃抗紫外尼龙织物的制备方法，具体制备步骤如下：A method for preparing a flame-retardant and anti-ultraviolet nylon fabric, the specific preparation steps are as follows:
(1)按照浴比为1:60，采用pH值为9.0的多巴胺水溶液浸渍整理洗后尼龙织物得到多巴胺改性的尼龙织物，其中浸渍温度为45℃，浸渍时间为20h，多巴胺水溶液的浓度为2g/L。(1) According to the bath ratio of 1:60, adopt the dopamine aqueous solution with a pH value of 9.0 to impregnate and finish the washed nylon fabric to obtain dopamine-modified nylon fabric, wherein the immersion temperature is 45 ° C, the immersion time is 20h, and the concentration of the dopamine aqueous solution is 2g/L.
(2)采用KH550溶液浸渍整理多巴胺改性的尼龙织物后烘干得到硅烷偶联剂修饰的改性尼龙织物，其中浸渍温度为80℃，浸渍时间为2h，KH550溶液的浓度为150g/L，烘干，KH550溶液中的溶剂为乙醇和水的混合溶液(质量比为5:3)。(2) After impregnating the dopamine-modified nylon fabric with KH550 solution, dry it to obtain the modified nylon fabric modified by silane coupling agent, wherein the immersion temperature is 80°C, the immersion time is 2h, and the concentration of KH550 solution is 150g/L. Drying, the solvent in the KH550 solution is a mixed solution of ethanol and water (mass ratio is 5:3).
(3)采用CEPPA溶液浸轧整理硅烷偶联剂修饰的改性尼龙织物，采用两浸两轧的方式，浸轧整理时预烘的温度为80℃，时间为15min，焙烘的温度为150℃，时间为3min，CEPPA的浓度为100g/L。(3) The modified nylon fabric modified by the silane coupling agent is adjusted by padding with CEPPA solution, and the method of double dipping and double padding is adopted. The pre-baking temperature during padding is 80°C, the time is 15min, and the baking temperature is 150°C. ℃, the time is 3min, and the concentration of CEPPA is 100g/L.
本实施例最终制得的阻燃抗紫外尼龙织物的阻燃性能优良，在燃烧过程中首次熔滴出现的时间为26.5s，得到的阻燃抗紫外尼龙织物的抗紫外性能优良，UPF值为220。测得的阻燃抗紫外尼龙织物中磷元素的含量为2.635wt％，硅元素的含量为2.781wt％，氮元素的含量为11.851wt％。The flame-retardant and anti-ultraviolet nylon fabric finally obtained in this example has excellent flame-retardant performance, and the time for the first molten drop to appear in the combustion process is 26.5s. The obtained flame-retardant and anti-ultraviolet nylon fabric has excellent anti-ultraviolet performance, and the UPF value is 220. The measured phosphorus content in the flame-retardant and UV-resistant nylon fabric is 2.635wt%, the silicon content is 2.781wt%, and the nitrogen content is 11.851wt%.
实施例4Example 4
一种阻燃抗紫外尼龙织物的制备方法，具体制备步骤如下：A method for preparing a flame-retardant and anti-ultraviolet nylon fabric, the specific preparation steps are as follows:
(1)按照浴比为1:70，采用pH值为8.5的多巴胺水溶液浸渍整理洗后尼龙织物得到多巴胺改性的尼龙织物，其中浸渍温度为45℃，浸渍时间为24h，多巴胺水溶液的浓度为2g/L。(1) According to the bath ratio of 1:70, the dopamine aqueous solution with a pH value of 8.5 was used to impregnate and finish the washed nylon fabric to obtain dopamine-modified nylon fabric, wherein the immersion temperature was 45°C, the immersion time was 24h, and the concentration of the dopamine aqueous solution was 2g/L.
(2)采用KH580溶液浸渍整理多巴胺改性的尼龙织物后烘干得到硅烷偶联剂修饰的改性尼龙织物，其中浸渍温度为70℃，浸渍时间为2h，KH580溶液的浓度为100g/L，烘干，KH580溶液中的溶剂为乙醇和水的混合溶液(质量比为7:3)。(2) After impregnating and finishing the dopamine-modified nylon fabric with KH580 solution, dry it to obtain the modified nylon fabric modified by silane coupling agent, wherein the immersion temperature is 70°C, the immersion time is 2h, and the concentration of KH580 solution is 100g/L. Drying, the solvent in the KH580 solution is a mixed solution of ethanol and water (mass ratio is 7:3).
(3)采用CEPPA溶液浸轧整理硅烷偶联剂修饰的改性尼龙织物，两浸两轧的方式，浸轧整理时预烘的温度为80℃，时间为15min，焙烘的温度为160℃，时间为3min，CEPPA的浓度为60g/L。(3) The modified nylon fabric modified by the silane coupling agent is treated by CEPPA solution padding, two dipping and two padding methods, the pre-baking temperature is 80°C, the time is 15min, and the baking temperature is 160°C. , the time is 3min, the concentration of CEPPA is 60g/L.
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