CN112376281B - 一种防污抗油纺织面料及其制备方法 - Google Patents
一种防污抗油纺织面料及其制备方法 Download PDFInfo
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- 230000003373 anti-fouling effect Effects 0.000 title claims abstract description 40
- 239000004744 fabric Substances 0.000 title claims abstract description 33
- 239000004753 textile Substances 0.000 title claims abstract description 22
- 238000002360 preparation method Methods 0.000 title claims abstract description 18
- 238000004519 manufacturing process Methods 0.000 title claims description 4
- 239000000835 fiber Substances 0.000 claims abstract description 111
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims abstract description 63
- 229920000728 polyester Polymers 0.000 claims abstract description 50
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims abstract description 37
- 229910021389 graphene Inorganic materials 0.000 claims abstract description 33
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical class C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 claims abstract description 28
- 239000003921 oil Substances 0.000 claims abstract description 23
- 238000005406 washing Methods 0.000 claims abstract description 20
- 238000011049 filling Methods 0.000 claims abstract description 17
- 239000005543 nano-size silicon particle Substances 0.000 claims abstract description 16
- 235000012239 silicon dioxide Nutrition 0.000 claims abstract description 16
- 239000012948 isocyanate Substances 0.000 claims abstract description 15
- 150000002513 isocyanates Chemical class 0.000 claims abstract description 15
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 claims description 34
- ZMXDDKWLCZADIW-UHFFFAOYSA-N N,N-Dimethylformamide Chemical compound CN(C)C=O ZMXDDKWLCZADIW-UHFFFAOYSA-N 0.000 claims description 30
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 claims description 30
- 238000001035 drying Methods 0.000 claims description 27
- 238000009210 therapy by ultrasound Methods 0.000 claims description 27
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 27
- SQGYOTSLMSWVJD-UHFFFAOYSA-N silver(1+) nitrate Chemical compound [Ag+].[O-]N(=O)=O SQGYOTSLMSWVJD-UHFFFAOYSA-N 0.000 claims description 26
- 239000008367 deionised water Substances 0.000 claims description 24
- 229910021641 deionized water Inorganic materials 0.000 claims description 24
- 238000002156 mixing Methods 0.000 claims description 23
- 229920000049 Carbon (fiber) Polymers 0.000 claims description 22
- 239000007788 liquid Substances 0.000 claims description 19
- 239000004814 polyurethane Substances 0.000 claims description 18
- 229920002635 polyurethane Polymers 0.000 claims description 18
- 230000000844 anti-bacterial effect Effects 0.000 claims description 17
- 239000007822 coupling agent Substances 0.000 claims description 16
- XPBBUZJBQWWFFJ-UHFFFAOYSA-N fluorosilane Chemical compound [SiH3]F XPBBUZJBQWWFFJ-UHFFFAOYSA-N 0.000 claims description 16
- 239000011261 inert gas Substances 0.000 claims description 16
- 238000007792 addition Methods 0.000 claims description 15
- 238000000034 method Methods 0.000 claims description 15
- 239000000839 emulsion Substances 0.000 claims description 14
- 238000000926 separation method Methods 0.000 claims description 14
- 238000001914 filtration Methods 0.000 claims description 13
- 229910001961 silver nitrate Inorganic materials 0.000 claims description 13
- 238000003756 stirring Methods 0.000 claims description 13
- 238000006243 chemical reaction Methods 0.000 claims description 11
- 239000002245 particle Substances 0.000 claims description 11
- 239000001509 sodium citrate Substances 0.000 claims description 10
- NLJMYIDDQXHKNR-UHFFFAOYSA-K sodium citrate Chemical compound O.O.[Na+].[Na+].[Na+].[O-]C(=O)CC(O)(CC([O-])=O)C([O-])=O NLJMYIDDQXHKNR-UHFFFAOYSA-K 0.000 claims description 10
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims description 8
- 238000009835 boiling Methods 0.000 claims description 8
- 235000019441 ethanol Nutrition 0.000 claims description 8
- WOWHHFRSBJGXCM-UHFFFAOYSA-M cetyltrimethylammonium chloride Chemical compound [Cl-].CCCCCCCCCCCCCCCC[N+](C)(C)C WOWHHFRSBJGXCM-UHFFFAOYSA-M 0.000 claims description 7
- 238000010438 heat treatment Methods 0.000 claims description 6
- XMBWDFGMSWQBCA-UHFFFAOYSA-N hydrogen iodide Chemical compound I XMBWDFGMSWQBCA-UHFFFAOYSA-N 0.000 claims description 6
- FPYJFEHAWHCUMM-UHFFFAOYSA-N maleic anhydride Chemical compound O=C1OC(=O)C=C1 FPYJFEHAWHCUMM-UHFFFAOYSA-N 0.000 claims description 6
- 238000004321 preservation Methods 0.000 claims description 6
- 230000008569 process Effects 0.000 claims description 6
- 230000009467 reduction Effects 0.000 claims description 6
- 238000001816 cooling Methods 0.000 claims description 5
- 230000003301 hydrolyzing effect Effects 0.000 claims description 5
- BDERNNFJNOPAEC-UHFFFAOYSA-N propan-1-ol Chemical compound CCCO BDERNNFJNOPAEC-UHFFFAOYSA-N 0.000 claims description 5
- 238000002791 soaking Methods 0.000 claims description 5
- XBXFGOSIPGWNLZ-UHFFFAOYSA-N O=C1C=C(CC(C)(C)C1)C.N=C=O Chemical compound O=C1C=C(CC(C)(C)C1)C.N=C=O XBXFGOSIPGWNLZ-UHFFFAOYSA-N 0.000 claims description 4
- 229940071870 hydroiodic acid Drugs 0.000 claims description 4
- 238000007654 immersion Methods 0.000 claims description 4
- 229910052757 nitrogen Inorganic materials 0.000 claims description 4
- 230000035484 reaction time Effects 0.000 claims description 4
- 239000007787 solid Substances 0.000 claims description 4
- 238000009987 spinning Methods 0.000 claims description 4
- UPMLOUAZCHDJJD-UHFFFAOYSA-N 4,4'-Diphenylmethane Diisocyanate Chemical compound C1=CC(N=C=O)=CC=C1CC1=CC=C(N=C=O)C=C1 UPMLOUAZCHDJJD-UHFFFAOYSA-N 0.000 claims description 3
- 239000005057 Hexamethylene diisocyanate Substances 0.000 claims description 3
- KXBFLNPZHXDQLV-UHFFFAOYSA-N [cyclohexyl(diisocyanato)methyl]cyclohexane Chemical compound C1CCCCC1C(N=C=O)(N=C=O)C1CCCCC1 KXBFLNPZHXDQLV-UHFFFAOYSA-N 0.000 claims description 3
- RRAMGCGOFNQTLD-UHFFFAOYSA-N hexamethylene diisocyanate Chemical compound O=C=NCCCCCCN=C=O RRAMGCGOFNQTLD-UHFFFAOYSA-N 0.000 claims description 3
- DVKJHBMWWAPEIU-UHFFFAOYSA-N toluene 2,4-diisocyanate Chemical compound CC1=CC=C(N=C=O)C=C1N=C=O DVKJHBMWWAPEIU-UHFFFAOYSA-N 0.000 claims description 3
- 239000005871 repellent Substances 0.000 claims 4
- 239000002689 soil Substances 0.000 claims 2
- 230000002940 repellent Effects 0.000 claims 1
- 230000000694 effects Effects 0.000 abstract description 13
- 230000035699 permeability Effects 0.000 abstract description 7
- BQCADISMDOOEFD-UHFFFAOYSA-N Silver Chemical compound [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 0.000 abstract description 6
- 239000003431 cross linking reagent Substances 0.000 abstract description 3
- 239000002994 raw material Substances 0.000 abstract description 3
- 230000006399 behavior Effects 0.000 abstract 1
- 239000002585 base Substances 0.000 description 12
- 230000000052 comparative effect Effects 0.000 description 5
- 230000002209 hydrophobic effect Effects 0.000 description 5
- 239000000377 silicon dioxide Substances 0.000 description 5
- 239000003513 alkali Substances 0.000 description 3
- 125000003178 carboxy group Chemical group [H]OC(*)=O 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 239000011248 coating agent Substances 0.000 description 2
- 238000000576 coating method Methods 0.000 description 2
- 238000007598 dipping method Methods 0.000 description 2
- 239000006185 dispersion Substances 0.000 description 2
- 229910000043 hydrogen iodide Inorganic materials 0.000 description 2
- 125000002887 hydroxy group Chemical group [H]O* 0.000 description 2
- 239000011148 porous material Substances 0.000 description 2
- 238000004381 surface treatment Methods 0.000 description 2
- 241000588724 Escherichia coli Species 0.000 description 1
- 238000007405 data analysis Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000007921 spray Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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Abstract
本发明公开了一种防污抗油的纺织面料及其制备方法,该面料由基础纤维与防污填充纤维按照重量比1:0.7‑2.8均匀混合后纺织制成,其中基础纤维通过两种方式极大的提升涤纶纤维的双疏性质,使其具有优异的防污抗油效果,且涤纶纤维表面的粗糙结构能够对处于凹陷处的纳米二氧化硅进行保护,提升了纳米二氧化硅附着的稳定性,避免在搓洗等摩擦行为中,纳米二氧化硅出现大量的脱落;在防污填充纤维的制备过程中,以活性炭纤维作为原料,使活性炭纤维内均匀吸附固定有纳米银,然后再以异氰酸酯作为交联剂,将氧化石墨烯均匀固定在活性炭纤维的表面,能够对纳米银进行固定,且不会对活性炭纤维的透气性与柔软性造成明显影响。
Description
技术领域
本发明属于纺织材料技术领域,具体的,涉及一种防污抗油纺织面料及其制备方法。
背景技术
面料是服装等多个领域的主要原料,随着生活水平的提高与科学技术的快速发展,人们对于面料的要求不在仅限于保暖与遮蔽的简单效果,具有防污抗油效果的面料具有广泛的应用领域;
但是在现有技术中,具有防污抗油效果的面料经常采用的方法对面料的表面喷涂具有防污抗油效果的涂层,或者通过对纺织纤维进行浸渍处理,再对纺织纤维进行加工,制备得到面料,然后两者都会导致面料的透气性变差和/或导致面料的柔软性下降,从而降低了面料的使用效果,为了解决上述问题,提供一种透气、柔软的,具有防污抗油效果的纺织面料及其制备方法,本发明提供了以下方案。
发明内容
本发明的目的在于提供一种防污抗油纺织面料及其制备方法。
本发明需要解决的技术问题为:
在现有技术中,具有防污抗油效果的面料经常采用的方法对面料的表面喷涂具有防污抗油效果的涂层,或者通过对纺织纤维进行浸渍处理,再对纺织纤维进行加工,制备得到面料,然后两者都会导致面料的透气性变差和/或导致面料的柔软性下降,从而降低了面料的使用效果。
本发明的目的可以通过以下技术方案实现:
一种防污抗油的纺织面料,由基础纤维与防污填充纤维按照重量比1:0.7-2.8均匀混合后纺织制成;
所述基础纤维的制备方法为:
S11、配制固含量为12%-17%的聚氨酯乳液,将涤纶纤维加入其中,在30-50KHz的条件下超声处理5-15min后,静置20-27min,过滤取出纤维,并在60-65℃温度下烘干待用;
其中聚氨酯乳液的颗粒直径为15-35nm;
S12、配制质量浓度为3%-8.5%的氢氧化钠溶液,向其中加入十六烷基三甲基氯化铵,十六烷基三甲基氯化铵的浓度为2-2.5g/L,搅拌混合分散后,调节温度至60-80℃,向其中加入步骤S11中处理的涤纶纤维,浸渍处理10-18min,过滤后,去离子水与热乙醇分别冲洗涤纶纤维1-5遍,50-65℃温度下烘干得到表面处理涤纶纤维,其中热乙醇的温度为55-65℃;
在该步骤中,首先通过聚氨酯乳液对涤纶纤维进行处理,使涤纶纤维的表面均匀依附有一层聚氨酯颗粒,然后通过碱液处理涤纶纤维,对涤纶纤维表面的高结晶度的皮鞘进行水解处理,从而提升处理后的涤纶纤维的柔软性,另外,通过聚氨酯颗粒对部分皮鞘物质进行保护,通过控制处理的温度、处理的碱液浓度以及处理时间,从而保留部分高结晶度的皮鞘,在涤纶纤维的表面形成有粗糙的表面,从而提升涤纶纤维的阻水性能,从而起到抗污的效果;
S13、将马来酸酐加入N-N二甲基甲酰胺中,混合搅拌溶解后,将步骤S12中处理得到的表面处理涤纶纤维加入其中,在20-30KHz的频率下超声处理7-10min,然后提升反应温度至90-100℃,反应2-4h后,固液分离取出表面处理纤维,用丙醇冲洗后烘干,得到接枝改性涤纶纤维;
在该步骤中,通过加热处理,使马来酸酐接枝在涤纶纤维的表面,且主要接枝在涤纶纤维没有聚氨酯与皮鞘部分保护的部分上,从而在涤纶的表面接枝有羧基;
S14、将无水乙醇与去离子水按照体积比1:0.9-0.99均匀混合后,向其中加入氟硅烷偶联剂,混合分散均匀后,在30-35℃温度下预水解20-30min后,向其中加入纳米二氧化硅,在温度30-35℃,超声频率60-160KHz的条件下处理15-25min后,得到处理液;
氟硅烷偶联剂的添加量为1-4g/L;
纳米二氧化硅的添加量为氟硅烷偶联剂重量的0.4-0.7;
纳米二氧化硅的颗粒直径为1-8nm;
S15、将步骤S13中制备得到的接枝改性涤纶纤维加入步骤S14中得到的处理液中,在温度75-90℃,超声频率20-35KHz的条件下超声处理20-30min后,保温静置处理30-50min,固液分离后用去离子水冲洗,在60-75℃温度下烘干得到基础纤维;
配制处理液,处理液含有表面处理的纳米二氧化硅,通过将纳米二氧化硅固定在纤维的表面,在纤维的表面形成一层纳米二氧化硅层,而纳米二氧化硅经氟硅烷偶联剂处理后,表面具有疏水疏油的性质,从而提升了涤纶纤维的疏水疏油性质,从而起到良好的防污抗油的效果,具体的,所述基础纤维在制备时,首先通过纳米聚氨酯颗粒均匀包裹在涤纶纤维的表面,对涤纶纤维表面的部分位置进行保护,然后再通过碱液进行处理,对涤纶纤维表面未保护的皮鞘进行腐蚀,从而在涤纶纤维的表面形成粗糙表面,然后再通过疏水疏油的纳米二氧化硅附着在涤纶纤维的表面,形成一层疏水疏油层,通过这两种方式能够极大的提升涤纶纤维的双疏性质,使其具有优异的防污抗油效果,且涤纶纤维表面的粗糙结构能够对处于凹陷处的纳米二氧化硅进行保护,提升了纳米二氧化硅附着的稳定性,避免在搓洗等摩擦行为中,纳米二氧化硅出现大量的脱落。
所述防污填充纤维的制备方法为:
S21、配制浓度为7-16g/L的硝酸银溶液,将活性炭纤维加入其中,在频率30-60KHz,温度15-30℃的条件下浸泡6-10min,然后加热至沸腾,并向其中滴加浓度为1-4g/100mL的柠檬酸钠去离子水溶液,滴加过程中保持超声处理,待柠檬酸钠去离子水溶液完全滴加后,继续煮沸与超声处理3-6min后,自然冷却至室温,过滤分离后用温度为50-65℃的无水乙醇冲洗后,在55-70℃的温度下烘干干燥,得到抗菌改性活性炭纤维;
S22、将氧化石墨烯加入N,N-二甲基甲酰胺中,在40-80KHz的条件下超声处理10-20min,使氧化石墨烯充分分散,然后向其中加入异氰酸酯,搅拌溶解后,向其中加入步骤S21中的抗菌改性活性炭纤维,继续超声处理40-60min,然后提升反应温度至65-80℃,反应3-4h后,固液分离,在60-75℃,氮气保护下烘干,并将烘干后的纤维进行还原处理,得到表面包覆有石墨烯的活性炭纤维,即防污填充纤维;
步骤S22中氧化石墨烯在N,N-二甲基甲酰胺中的添加量为3-6.8g/100mL;
步骤S22中异氰酸酯的添加量为氧化石墨烯重量的12%-40%;
所述异氰酸酯包括甲苯二异氰酸酯、异佛尔酮异氰酸酯、六亚甲基二异氰酸酯、二苯基甲烷二异氰酸酯与二环己基甲烷二异氰酸酯中的一种;
步骤S22中对纤维进行还原处理的方法为:
将纤维加入密封空间中,向其中通入惰性气体排出空气后,提升通入的惰性气体的温度至127-250℃,待密封空间的进气口与出气口的温度差小于1℃时,停止通入惰性气体,并向其中通入氢碘酸的高温蒸汽,蒸汽温度与输入的高温惰性气体温度相同,反应时间为0.5-3h。
由于活性炭纤维含有丰富的孔隙结构,具有良好的透气性,通过将其浸入硝酸银溶液中,超声使其充分吸收硝酸银溶液,然后再进行还原,使活性炭纤维内均匀吸附固定有纳米银,得到抗菌改性活性炭纤维,然后再抗菌改性活性炭纤维与氧化石墨烯加入N,N-二甲基甲酰胺中进行分散,以异氰酸酯作为交联剂,利用活性炭纤维与氧化石墨烯的表面富有羟基与羧基的特点,将氧化石墨烯均匀固定在活性炭纤维的表面,然后再通过高温碘化氢蒸汽对氧化石墨烯进行还原,使活性炭纤维的表面固定有一层石墨烯,一方面能够对活性炭纤维表面的纳米银进行固定,另一方面活性炭纤维表面固定的石墨烯能够起到一定的疏水疏油效果,且不会对活性炭纤维的透气性与柔软性造成明显影响。
本发明的有益效果:
本发明所述的一种防污抗油的纺织面料,由基础纤维与防污填充纤维按照重量比1:0.7-2.8均匀混合后纺织制成,其中基础纤维在制备时,首先通过聚氨酯乳液对涤纶纤维进行处理,使涤纶纤维的表面均匀依附有一层聚氨酯颗粒,然后通过碱液处理涤纶纤维,对涤纶纤维表面的高结晶度的皮鞘进行水解处理,从而提升处理后的涤纶纤维的柔软性,另外,通过聚氨酯颗粒对部分皮鞘物质进行保护,通过控制处理的温度、处理的碱液浓度以及处理时间,从而保留部分高结晶度的皮鞘,在涤纶纤维的表面形成有粗糙的表面,从而提升涤纶纤维的阻水性能,从而起到抗污的效果,处理液含有表面处理的纳米二氧化硅,通过将纳米二氧化硅固定在纤维的表面,在纤维的表面形成一层纳米二氧化硅层,而纳米二氧化硅经氟硅烷偶联剂处理后,表面具有疏水疏油的性质,从而提升了涤纶纤维的疏水疏油性质,从而起到良好的防污抗油的效果,通过这两种方式能够极大的提升涤纶纤维的双疏性质,使其具有优异的防污抗油效果,且涤纶纤维表面的粗糙结构能够对处于凹陷处的纳米二氧化硅进行保护,提升了纳米二氧化硅附着的稳定性,避免在搓洗等摩擦行为中,纳米二氧化硅出现大量的脱落;在防污填充纤维的制备过程中,以活性炭纤维作为原料,利用活性炭纤维含有丰富的孔隙结构的性质,具有良好的透气性,通过将其浸入硝酸银溶液中,超声使其充分吸收硝酸银溶液,然后再进行还原,使活性炭纤维内均匀吸附固定有纳米银,得到抗菌改性活性炭纤维,然后再抗菌改性活性炭纤维与氧化石墨烯加入N,N-二甲基甲酰胺中进行分散,以异氰酸酯作为交联剂,利用活性炭纤维与氧化石墨烯的表面富有羟基与羧基的特点,将氧化石墨烯均匀固定在活性炭纤维的表面,然后再通过高温碘化氢蒸汽对氧化石墨烯进行还原,使活性炭纤维的表面固定有一层石墨烯,一方面能够对活性炭纤维表面的纳米银进行固定,另一方面活性炭纤维表面固定的石墨烯能够起到一定的疏水疏油效果,且不会对活性炭纤维的透气性与柔软性造成明显影响。
具体实施方式
下面将对本发明实施例中的技术方案进行清楚、完整地描述,显然,所描述的实施例仅仅是本发明一部分实施例,而不是全部的实施例。基于本发明中的实施例,本领域普通技术人员在没有作出创造性劳动前提下所获得的所有其它实施例,都属于本发明保护的范围。
实施例1
一种防污抗油的纺织面料,由基础纤维与防污填充纤维按照重量比1:1.7均匀混合后纺织制成;
所述基础纤维的制备方法为:
S11、配制固含量为16%的聚氨酯乳液,将涤纶纤维加入其中,在40KHz的条件下超声处理12min后,静置25min,过滤取出纤维,并在65℃温度下烘干待用;
其中聚氨酯乳液的颗粒直径为15-25nm;
S12、配制质量浓度为4%的氢氧化钠溶液,向其中加入十六烷基三甲基氯化铵,十六烷基三甲基氯化铵的浓度为2.2g/L,搅拌混合分散后,调节温度至70℃,向其中加入步骤S11中处理的涤纶纤维,浸渍处理14min,过滤后,去离子水与热乙醇分别冲洗涤纶纤维3遍,60℃温度下烘干得到表面处理涤纶纤维,其中热乙醇的温度为60℃;
S13、将马来酸酐加入N-N二甲基甲酰胺中,混合搅拌溶解后,将步骤S12中处理得到的表面处理涤纶纤维加入其中,在25KHz的频率下超声处理8min,然后提升反应温度至95℃,反应3.5h后,固液分离取出表面处理纤维,用丙醇冲洗后烘干,得到接枝改性涤纶纤维;
S14、将无水乙醇与去离子水按照体积比1:0.98均匀混合后,向其中加入氟硅烷偶联剂,混合分散均匀后,在35℃温度下预水解20min后,向其中加入纳米二氧化硅,在温度35℃,超声频率80KHz的条件下处理20min后,得到处理液;
氟硅烷偶联剂的添加量为3g/L;
纳米二氧化硅的添加量为氟硅烷偶联剂重量的0.6;
纳米二氧化硅的颗粒直径为1-6nm;
S15、将步骤S13中制备得到的接枝改性涤纶纤维加入步骤S14中得到的处理液中,在温度85℃,超声频率25KHz的条件下超声处理30min后,保温静置处理40min,固液分离后用去离子水冲洗,在温度70℃温度下烘干得到基础纤维;
所述防污填充纤维的制备方法为:
S21、配制浓度为12g/L的硝酸银溶液,将活性炭纤维加入其中,在频率40KHz,温度25℃的条件下浸泡8min,然后加热至沸腾,并向其中滴加浓度为2.6g/100mL的柠檬酸钠去离子水溶液,滴加过程中保持超声处理,待柠檬酸钠去离子水溶液完全滴加后,继续煮沸与超声处理5min后,自然冷却至室温,过滤分离后用温度为60℃的无水乙醇冲洗后,在60℃的温度下烘干干燥,得到抗菌改性活性炭纤维;
S22、将氧化石墨烯加入N,N-二甲基甲酰胺中,在60KHz的条件下超声处理16min,使氧化石墨烯充分分散,然后向其中加入异氰酸酯,搅拌溶解后,向其中加入步骤S21中的抗菌改性活性炭纤维,继续超声处理50min,然后提升反应温度至70℃,反应3.5h后,固液分离,在65℃,氮气保护下烘干,并将烘干后的纤维进行还原处理,得到表面包覆有石墨烯的活性炭纤维,即防污填充纤维;
步骤S22中氧化石墨烯在N,N-二甲基甲酰胺中的添加量为4.8g/100mL;
步骤S22中异氰酸酯的添加量为氧化石墨烯重量的26%;
所述异氰酸酯为异佛尔酮异氰酸酯;
步骤S22中对纤维进行还原处理的方法为:
将纤维加入密封空间中,向其中通入惰性气体排出空气后,提升通入的惰性气体的温度至160℃,待密封空间的进气口与出气口的温度差小于1℃时,停止通入惰性气体,并向其中通入氢碘酸的高温蒸汽,蒸汽温度与输入的高温惰性气体温度相同,反应时间为2h。
实施例2
一种防污抗油的纺织面料,由基础纤维与防污填充纤维按照重量比1:1.2均匀混合后纺织制成;
所述基础纤维的制备方法为:
S11、配制固含量为14%的聚氨酯乳液,将涤纶纤维加入其中,在40KHz的条件下超声处理10min后,静置24min,过滤取出纤维,并在65℃温度下烘干待用;
其中聚氨酯乳液的颗粒直径为25nm;
S12、配制质量浓度为4.5%的氢氧化钠溶液,向其中加入十六烷基三甲基氯化铵,十六烷基三甲基氯化铵的浓度为2.5g/L,搅拌混合分散后,调节温度至70℃,向其中加入步骤S11中处理的涤纶纤维,浸渍处理12min,过滤后,去离子水与热乙醇分别冲洗涤纶纤维1-5遍,65℃温度下烘干得到表面处理涤纶纤维,其中热乙醇的温度为60℃;
S13、将马来酸酐加入N-N二甲基甲酰胺中,混合搅拌溶解后,将步骤S12中处理得到的表面处理涤纶纤维加入其中,在25KHz的频率下超声处理8min,然后提升反应温度至100℃,反应3h后,固液分离取出表面处理纤维,用丙醇冲洗后烘干,得到接枝改性涤纶纤维;
S14、将无水乙醇与去离子水按照体积比1:0.99均匀混合后,向其中加入氟硅烷偶联剂,混合分散均匀后,在35℃温度下预水解25min后,向其中加入纳米二氧化硅,在温度35℃,超声频率80KHz的条件下处理20min后,得到处理液;
氟硅烷偶联剂的添加量为3g/L;
纳米二氧化硅的添加量为氟硅烷偶联剂重量的0.6;
纳米二氧化硅的颗粒直径为1-6nm;
S15、将步骤S13中制备得到的接枝改性涤纶纤维加入步骤S14中得到的处理液中,在温度85℃,超声频率30KHz的条件下超声处理25min后,保温静置处理35min,固液分离后用去离子水冲洗,在温度70℃温度下烘干得到基础纤维;
所述防污填充纤维的制备方法为:
S21、配制浓度为10g/L的硝酸银溶液,将活性炭纤维加入其中,在频率40KHz,温度25℃的条件下浸泡8min,然后加热至沸腾,并向其中滴加浓度为3.2g/100mL的柠檬酸钠去离子水溶液,滴加过程中保持超声处理,待柠檬酸钠去离子水溶液完全滴加后,继续煮沸与超声处理4min后,自然冷却至室温,过滤分离后用温度为60℃的无水乙醇冲洗后,在65℃的温度下烘干干燥,得到抗菌改性活性炭纤维;
S22、将氧化石墨烯加入N,N-二甲基甲酰胺中,在65KHz的条件下超声处理14min,使氧化石墨烯充分分散,然后向其中加入异氰酸酯,搅拌溶解后,向其中加入步骤S21中的抗菌改性活性炭纤维,继续超声处理50min,然后提升反应温度至70℃,反应3h后,固液分离,在70℃,氮气保护下烘干,并将烘干后的纤维进行还原处理,得到表面包覆有石墨烯的活性炭纤维,即防污填充纤维;
步骤S22中氧化石墨烯在N,N-二甲基甲酰胺中的添加量为5.2g/100mL;
步骤S22中异氰酸酯的添加量为氧化石墨烯重量的26%;
所述异氰酸酯包括甲苯二异氰酸酯、异佛尔酮异氰酸酯、六亚甲基二异氰酸酯、二苯基甲烷二异氰酸酯与二环己基甲烷二异氰酸酯中的一种;
步骤S22中对纤维进行还原处理的方法为:
将纤维加入密封空间中,向其中通入惰性气体排出空气后,提升通入的惰性气体的温度至160℃,待密封空间的进气口与出气口的温度差小于1℃时,停止通入惰性气体,并向其中通入氢碘酸的高温蒸汽,蒸汽温度与输入的高温惰性气体温度相同,反应时间为2.5h。
对比例1
所述基础纤维的制备方法为:
S11、将马来酸酐加入N-N二甲基甲酰胺中,混合搅拌溶解后,将涤纶纤维加入其中,在25KHz的频率下超声处理8min,然后提升反应温度至95℃,反应3.5h后,固液分离取出表面处理纤维,用丙醇冲洗后烘干,得到接枝改性涤纶纤维;
S12、将无水乙醇与去离子水按照体积比1:0.98均匀混合后,向其中加入氟硅烷偶联剂,混合分散均匀后,在35℃温度下预水解20min后,向其中加入纳米二氧化硅,在温度35℃,超声频率80KHz的条件下处理20min后,得到处理液;
氟硅烷偶联剂的添加量为3g/L;
纳米二氧化硅的添加量为氟硅烷偶联剂重量的0.6;
纳米二氧化硅的颗粒直径为1-6nm;
S13、将步骤S11中制备得到的接枝改性涤纶纤维加入步骤S14中得到的处理液中,在温度85℃,超声频率25KHz的条件下超声处理30min后,保温静置处理40min,固液分离后用去离子水冲洗,在温度70℃温度下烘干得到基础纤维;
其它条件与实施例1相同。
对比例2
所述防污填充纤维的制备方法为:
S21、配制浓度为12g/L的硝酸银溶液,将活性炭纤维加入其中,在频率40KHz,温度25℃的条件下浸泡8min,然后加热至沸腾,并向其中滴加浓度为2.6g/100mL的柠檬酸钠去离子水溶液,滴加过程中保持超声处理,待柠檬酸钠去离子水溶液完全滴加后,继续煮沸与超声处理5min后,自然冷却至室温,过滤分离后用温度为60℃的无水乙醇冲洗后,在60℃的温度下烘干干燥,得到抗菌改性活性炭纤维,将该抗菌改性活性炭纤维作为防污填充纤维;
其它条件与实施例1相同。
实验结果与数据分析
对实施例1-实施例2以及对比例1-对比例2中方案制备得到的面料与水的接触角、与油的接触角、抗菌率与手感进行检测,具体结果见表1:
表1
与水的接触角(°) | 与油的接触角(°) | 大肠杆菌抗菌率(%) | 手感 | |
实施例1 | 123 | 119 | ≥99.9 | 柔软 |
实施例2 | 114 | 113 | ≥99.9 | 柔软 |
对比例1 | 102 | 96 | ≥99.9 | 较硬 |
对比例2 | 84 | 72 | ≥99.9 | 柔软 |
由上表可知,本发明所述的一种防污抗油纺织面料具有良好的疏水疏油性质,因此能起到良好防污抗油效果,且具有柔软的手感与有益的抗菌性能。
以上内容仅仅是对本发明结构所作的举例和说明,所属本技术领域的技术人员对所描述的具体实施例做各种各样的修改或补充或采用类似的方式替代,只要不偏离发明的结构或者超越本权利要求书所定义的范围,均应属于本发明的保护范围。
Claims (6)
1.一种防污抗油的纺织面料的制备方法,其特征在于,将基础纤维与防污填充纤维按照重量比1:0.7-2.8均匀混合后纺织制成;
所述基础纤维的制备方法为:
S11、配制固含量为12%-17%的聚氨酯乳液,将涤纶纤维加入其中,在30-50KHz的条件下超声处理5-15min后,静置20-27min,过滤取出纤维,并在60-65℃温度下烘干待用;
S12、配制质量浓度为3%-8.5%的氢氧化钠溶液,向其中加入十六烷基三甲基氯化铵,十六烷基三甲基氯化铵的浓度为2-2.5g/L,搅拌混合分散后,调节温度至60-80℃,向其中加入步骤S11中处理的涤纶纤维,浸渍处理10-18min,过滤后,去离子水与热乙醇分别冲洗涤纶纤维1-5遍,50-65℃温度下烘干得到表面处理涤纶纤维,其中热乙醇的温度为55-65℃;
S13、将马来酸酐加入N-N二甲基甲酰胺中,混合搅拌溶解后,将步骤S12中处理得到的表面处理涤纶纤维加入其中,在20-30KHz的频率下超声处理7-10min, 然后提升反应温度至90-100℃,反应2-4h后,固液分离取出表面处理纤维,用丙醇冲洗后烘干,得到接枝改性涤纶纤维;
S14、将无水乙醇与去离子水按照体积比1:0.9-0.99均匀混合后,向其中加入氟硅烷偶联剂,混合分散均匀后,在30-35℃温度下预水解20-30min后,向其中加入纳米二氧化硅,在温度30-35℃,超声频率60-160KHz的条件下处理15-25min后,得到处理液;
S15、将步骤S13中制备得到的接枝改性涤纶纤维加入步骤S14中得到的处理液中,在温度75-90℃,超声频率20-35KHz的条件下超声处理20-30min后,保温静置处理30-50min,固液分离后用去离子水冲洗,在60-75℃温度下烘干得到基础纤维;
所述防污填充纤维的制备方法为:
S21、配制浓度为7-16g/L的硝酸银溶液,将活性炭纤维加入其中,在频率30-60KHz,温度15-30℃的条件下浸泡6-10min,然后加热至沸腾,并向其中滴加浓度为1-4g/100mL的柠檬酸钠去离子水溶液,滴加过程中保持超声处理,待柠檬酸钠去离子水溶液完全滴加后,继续煮沸与超声处理3-6min后,自然冷却至室温,过滤分离后用温度为50-65℃的无水乙醇冲洗后,在55-70℃的温度下烘干干燥,得到抗菌改性活性炭纤维;
S22、将氧化石墨烯加入N,N-二甲基甲酰胺中,在40-80KHz的条件下超声处理10-20min,使氧化石墨烯充分分散,然后向其中加入异氰酸酯,搅拌溶解后,向其中加入步骤S21中的抗菌改性活性炭纤维,继续超声处理40-60min,然后提升反应温度至65-80℃,反应3-4h后,固液分离,在60-75℃,氮气保护下烘干,并将烘干后的纤维进行还原处理,得到表面包覆有石墨烯的活性炭纤维,即防污填充纤维;
步骤S22中对纤维进行还原处理的方法为:
将纤维加入密封空间中,向其中通入惰性气体排出空气后,提升通入的惰性气体的温度至127-250℃,待密封空间的进气口与出气口的温度差小于1℃时,停止通入惰性气体,并向其中通入氢碘酸的高温蒸汽,蒸汽温度与输入的高温惰性气体温度相同,反应时间为0.5-3h。
2.根据权利要求1所述的一种防污抗油的纺织面料的制备方法,其特征在于,其中聚氨酯乳液的颗粒直径为15-35nm。
3.根据权利要求1所述的一种防污抗油的纺织面料的制备方法,其特征在于,步骤S14中氟硅烷偶联剂的添加量为1-4g/L;步骤S14中纳米二氧化硅的添加量为氟硅烷偶联剂重量的0.4-0.7;纳米二氧化硅的颗粒直径为1-8nm。
4.根据权利要求1所述的一种防污抗油的纺织面料的制备方法,其特征在于,步骤S22中氧化石墨烯在N,N-二甲基甲酰胺中的添加量为3-6.8g/100mL;步骤S22中异氰酸酯的添加量为氧化石墨烯重量的12%-40%。
5.根据权利要求1所述的一种防污抗油的纺织面料的制备方法,其特征在于,所述异氰酸酯包括甲苯二异氰酸酯、异佛尔酮异氰酸酯、六亚甲基二异氰酸酯、二苯基甲烷二异氰酸酯与二环己基甲烷二异氰酸酯中的一种。
6.一种防污抗油的纺织面料,其特征在于,根据权利要求1-5任一所述的制备方法加工制备而成。
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