CN114960181B - 一种抗紫外功能性棉织物及其制备方法 - Google Patents
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Abstract
本发明属于功能性纺织技术领域，公开了一种抗紫外功能性棉织物及其制备方法。该制备方法包括：将GO和渗透剂JFC加入去离子水中，得GO悬浮液；将Na5[H3W6O22]加入去离子水混合均匀，调节PH为5～6，得Na5[H3W6O22]溶液；将经NAOH浸渍处理得到的棉织物浸入Na5[H3W6O22]溶液中处理后，清洗、烘干，浸入GO悬浮液中处理，清洗、烘干；将上述步骤视为一个组装循环，循环8‑12次后，浸入连二亚硫酸钠溶液中进行还原反应，反应结束后取出后洗涤、烘干，得抗紫外功能性棉织物。本发明制备方法简单，适合产业推广，得到的抗紫外功能性棉织物具有吸湿透气、手感细腻，抗紫外性能优异、耐水洗性能好等优点。
Description
技术领域
本发明属于功能性纺织技术领域，具体涉及一种抗紫外功能性棉织物及其制备方法，尤其涉及一种基于氧化石墨烯的抗紫外功能性棉织物及其制备方法。
背景技术
棉织物具有吸湿性强、保温、透气性能好等优点，成为人们生活中最常见的服饰之一。但由于棉织物的抗紫外线性能较差，紫外辐射不仅会导致织物老化，还可能伤害人体皮肤，产生色斑甚至诱发癌变。因此，开发具有抗紫外性能的棉织物具有广阔的前景。
氧化石墨烯(以下简称GO)作为一种新型的碳材料，因其特殊的三维结构，能吸收辐射紫外线，并转化为热能等无害物质，从而具有良好的抗紫外性能。但单独使用氧化石墨烯整理面料时，由于氧化石墨烯片层之间的范德华力和π-π共轭作用容易使其发生团聚现象，导致抗紫外线效果达不到理想状态。因此如何改善其抗紫外性能引起了广泛关注。
发明内容
有鉴于此，本发明的目的在于提出一种抗紫外功能性棉织物及其制备方法，该制备方法制备得到的抗紫外功能性棉织物抗紫外性能优异且耐水洗性能较好。
为解决上述技术问题，本发明提供了一种抗紫外功能性棉织物的制备方法，包括：
S1.将棉织物在NaOH溶液中浸渍处理，然后取出水洗烘干；
S2.将GO和渗透剂JFC加入去离子水中，混合均匀后超声处理，得到GO悬浮液。
S3.将Na5[H3W6O22]加入去离子水混合均匀，调节PH为5～6，得Na5[H3W6O22]溶液；
S4.将步骤S1处理得到的棉织物浸入Na5[H3W6O22]溶液中处理15～30min，取出后再清洗、烘干；
S5.将步骤S4处理好的棉织物浸入GO溶液中处理15～30min，取出后再清洗、烘干；
S6.步骤4和步骤5的过程为一个组装循环，循环8-12次后，浸入连二亚硫酸钠溶液中进行还原反应，反应结束后取出后洗涤、烘干，得抗紫外功能性棉织物。
进一步的，步骤S1中，所述NaOH溶液的浓度为10wt％，所述浸渍处理的时间为10min。
进一步的，步骤S2中，所述的GO是按照Hummers氧化法制备得到的。
进一步的，步骤S2中，所述超声处理的时间为30min。
进一步的，步骤S2中，所述的GO、渗透剂JFC、去离子水的用量比为(0.5～1.5)g:(0.1～0.2)g：50mL。
进一步的，步骤S3中，Na5[H3W6O22]、去离子水的用量比为(4～8)g:50mL。
进一步的，步骤S3中，所述的调节pH具体为：采用醋酸-醋酸钠缓冲溶液调节。
进一步的，步骤S6中，所述浸入连二亚硫酸钠溶液中进行还原反应，具体为：浸入4g/L的连二亚硫酸钠溶液中60℃还原30min。
本发明还提供了一种上述制备方法制备得到的抗紫外功能性棉织物。
与现有技术相比，本发明采用层层组装法将Na5[H3W6O22]和GO在棉织物表面上组装形成性能稳定的复合薄膜，多层结构有效地阻止了GO片层的堆积，同时GO也能吸收大量高能量紫外线，并将其释放成热能，Na5[H3W6O22]也有很好的紫外线屏蔽能力，从而使棉织物具有良好的抗紫外性能，同时层层组装法的多层结构也使得棉织物具有更好的耐水洗性能。
具体实施方式
下面结合具体实施例，进一步阐述本发明。应理解，这些实施例仅用于说明本发明而不用于限制本发明的范围。此外应理解，在阅读了本发明讲授的内容之后，本领域技术人员可以对本发明作各种改动或修改，等价形式改动或修改同样落于本申请的权利要求书所限定的范围。
实施例1
步骤1、将1g棉织物在10wt％的NaOH溶液中浸渍处理10min，取出后水洗烘干。
步骤2、0.5g GO、0.1g渗透剂JFC和50ml去离子水混合均匀，超声处理30min得到GO悬浮液。
步骤3、将4g Na5[H3W6O22]、50ml去离子水混合均匀，调节PH为5，得Na5[H3W6O22]溶液。
步骤4、将步骤1处理的棉织物浸入Na5[H3W6O22]溶液中处理15min，取出后再清洗、烘干；
步骤5、将步骤4处理好的棉织物浸入GO悬浮液中处理15min，取出后再清洗、烘干；
步骤6、重复步骤4和步骤5的过程为一个组装循环，循环10次后，浸入4g/L的连二亚硫酸钠溶液中60℃还原30min，取出后洗涤、烘干取出得抗紫外功能性棉织物。
实施例2
步骤1、将1g棉织物在10wt％的NaOH溶液中浸渍处理10min，取出后水洗烘干。
步骤2、1g GO、0.2g渗透剂JFC和50ml去离子水混合均匀，超声处理30min得到GO悬浮液。
步骤3、将5g Na5[H3W6O22]、50ml去离子水混合均匀，调节PH为5.5，得Na5[H3W6O22]溶液。
步骤4、将步骤1处理的棉织物浸入Na5[H3W6O22]溶液中处理20min，取出后再清洗、烘干；
步骤5、将步骤4处理好的棉织物浸入GO悬浮液中处理20min，取出后再清洗、烘干；
步骤6、重复步骤4和步骤5的过程为一个组装循环，循环10次后，浸入4g/L的连二亚硫酸钠溶液中60℃还原30min，取出后洗涤、烘干取出得抗紫外功能性棉织物。
实施例3
步骤1、将1g棉织物在10wt％的NaOH溶液中浸渍处理10min，取出后水洗烘干。
步骤2、1.5g GO、0.2g渗透剂JFC和50ml去离子水混合均匀，超声处理30min得到GO悬浮液。
步骤3、将8g Na5[H3W6O22]、50ml去离子水混合均匀，调节PH为6，得Na5[H3W6O22]溶液。
步骤4、将步骤1处理的棉织物浸入Na5[H3W6O22]溶液中处理30min，取出后再清洗、烘干；
步骤5、将步骤4处理好的棉织物浸入GO悬浮液中处理30min，取出后再清洗、烘干；
步骤6、重复步骤4和步骤5的过程为一个组装循环，循环10次后，浸入4g/L的连二亚硫酸钠溶液中60℃还原30min，取出后洗涤、烘干取出得抗紫外功能性棉织物。
利用实施例1～3制备得到的抗紫外功能性棉织物、原棉织物和水洗10次后的实施例1～3的抗紫外功能性棉织物进行抗紫外线性能测试，测试如表1：
表1处理前后棉织物的抗紫外线性能
| 产物 | TUVA/％ | TUVB/％ | UPF值 |
| 原棉织物 | 13.46 | 10.51 | 8.56 |
| 实施例1 | 1.12 | 0.76 | 100+ |
| 实施例2 | 1.05 | 0.64 | 100+ |
| 实施例3 | 0.97 | 0.62 | 100+ |
| 水洗10次后的实施例1 | 1.65 | 1.04 | 100+ |
| 水洗10次后的实施例2 | 1.58 | 0.96 | 100+ |
| 水洗10次后的实施例3 | 1.51 | 0.93 | 100+ |
由上表可知，实施例1～3制备得到的抗紫外功能性棉织物具有良好的抗紫外性能且耐水洗性能较好。
以上所述仅是本发明的优选实施方式，应当指出，对于本技术领域的普通技术人员来说，在不脱离本发明原理的前提下，还可以做出若干改进和润饰，这些改进和润饰也应视为本发明的保护范围。
Claims (9)
1.一种抗紫外功能性棉织物的制备方法，其特征在于，包括以下步骤：
S1.将棉织物在NaOH溶液中浸渍处理，然后取出水洗烘干；
S2.将GO和渗透剂JFC加入去离子水中，混合均匀后超声处理，得到GO悬浮液；
S3.将Na5[H3W6O22]加入去离子水混合均匀，调节pH为5～6，得Na5[H3W6O22]溶液；
S4.将步骤S1处理得到的棉织物浸入Na5[H3W6O22]溶液中处理15～30min，取出后再清洗、烘干；
S5.将步骤S4处理好的棉织物浸入GO悬浮液中处理15～30min，取出后再清洗、烘干；
S6.步骤4和步骤5的过程为一个组装循环，循环8-12次后，浸入连二亚硫酸钠溶液中进行还原反应，反应结束后取出后洗涤、烘干，得抗紫外功能性棉织物。
2.根据权利要求1所述的制备方法，其特征在于，步骤S1中，所述NaOH溶液的浓度为10wt％，所述浸渍处理的时间为10min。
3.根据权利要求1所述的制备方法，其特征在于，步骤S2中，所述的GO是按照Hummers氧化法制备得到的。
4.根据权利要求1所述的制备方法，其特征在于，步骤S2中，所述超声处理的时间为30min。
5.根据权利要求1所述的制备方法，其特征在于，步骤S2中，所述的GO、渗透剂JFC、去离子水的用量比为(0.5～1.5)g:(0.1～0.2)g：50mL。
6.根据权利要求1所述的制备方法，其特征在于，步骤S3中，Na5[H3W6O22]、去离子水的用量比为(4～8)g:50mL。
7.根据权利要求1所述的制备方法，其特征在于，步骤S3中，所述的调节pH具体为：采用醋酸-醋酸钠缓冲溶液调节。
8.根据权利要求1所述的制备方法，其特征在于，步骤S6中，所述浸入连二亚硫酸钠溶液中进行还原反应，具体为：浸入4g/L的连二亚硫酸钠溶液中60℃还原30min。
9.一种权利要求1-8任一项所述制备方法制备得到的抗紫外功能性棉织物。
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