CN114934333A - 基于纳米氧化物的抗菌功能纱、其加工方法及设备 - Google Patents
基于纳米氧化物的抗菌功能纱、其加工方法及设备 Download PDFInfo
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Abstract
本发明公开了一种基于纳米氧化物的抗菌功能纱、其加工方法及设备,包括芯纱,芯纱为起绒纱,在芯纱外侧包覆捻合有第一包芯纱,第一包芯纱捻合形成捻合段,并在捻合后并条形成并条段,以形成间隔的捻合段和并条段,并将该纱线抗菌整理后包覆相变材料进行后续加捻。本发明以起绒纱作为芯纱,其表面的绒毛纤维中的孔隙等可作为抗菌剂的容置空间,而设置低捻系数的捻合段、并条段,利于后续整理中整理液渗透,同时并条段的设置也利于后续再加捻时,与并条段作用,增加后续的捻合后纤维间的作用力;并在整理后包覆相变材料,以形成保护屏障,在后续加工中防止抗菌剂脱落。
Description
技术领域
本发明涉及纺织纱线技术领域,尤其涉及一种基于纳米氧化物的抗菌功能纱、其加工方法及设备。
背景技术
近年来随着人们环保意识、健康意识的提高,抗菌产品的需求更加迫切和多样化。目前市场是真正可以满足人们所需的抗菌材料种类仍然非常有限,合成低成本、无毒无害、广谱抗菌和高效抗菌的材料更符合市产业的发展需求。
对于具有抗菌、抑菌需求的面料或布料,使用最为广泛的是载银抗菌材料,然而尽管载银抗菌材料的抗菌性能高、安全性也较好,但是这类材料中的银离子不够稳定,在紫外线的照射下或一定的高温环境下会被还原成金属银或者转化为氧化银,从而使得材料颜色变黑,不仅影响产品的抗菌性能还会影响消费者的使用体验。
作为面料来说,在保证抗菌功能的同时,其还需要良好的耐水洗性能,常规面料结构会使得水洗后或者长时间使用后,抗菌剂易脱落,功能性逐渐降低至丧失。
发明内容
本发明旨在至少在一定程度上解决相关技术中的技术问题之一。为此,本发明的一个目的在于提出一种基于纳米氧化物的抗菌功能纱,纱线结构和工艺上进行优化,能够对内部抗菌剂起到较好的截留作用。
本发明的技术方案如下:
一种基于纳米氧化物的抗菌功能纱,包括芯纱,芯纱为起绒纱,在芯纱外侧包覆捻合有第一包芯纱,第一包芯纱捻合形成捻合段,并在捻合后并条形成并条段,以形成间隔的捻合段和并条段,并将纱线抗菌整理后包覆相变材料进行后续加捻。
进一步的,捻合段为低捻系数。
进一步的,在第一包芯纱外侧包覆第二包芯纱。
进一步的,第二包芯纱具有相对较高的捻系数。
进一步的,在捻合段和并条段节点处的第一包芯纱自捻回形成自捻段。
进一步的,在整理液中按照(1-3)g/KG的添加比例,添加纳米金属氧化物抗菌剂,将上述抗菌剂预先溶于40-50℃的温水中,加入质量分数0.1-0.3%的表面活性剂,振荡充分溶解后,溶于整理液中。
进一步的,抗菌剂为纳米氧化银、纳米氧化铝或纳米氧化锌中的一种或组合。
上述纱线加工方法如下:
1、进行一道加捻工序,在芯纱表面形成间隔的捻合段和并条段;
2、将上述捻合后的纱线进行抗菌整理后,输出干燥的纱线;
3、将步骤2中整理后的纱线浸浴在相变材料中,并通过排液冷凝机构,在纱线表面形成固态相变材料包覆层;
4、再在步骤3中输出的纱线表面进行后续加捻工序。
进一步的,相变材料为48-52℃的石蜡。
进一步的,在石蜡中添加5%-8%的石墨粉末,在熔融状态下搅拌混合均匀。
上述纱线表面包覆相变材料的设备,包括整理池,内盛放有熔融态的相变材料,端侧设置进出料口,并在其内转动设置有若干导向辊用于将纱线浸渍在相变材料中;所述排液冷凝机构设置在整理池的出料端。
进一步的,所述排液冷凝机构包括可转动的刮液段和用于冷却刮液后输出纱线的冷却段,所述刮液段内偏心设置有锥形通道,该锥形通道随纱线传输方向直径减小,且出口端的直径与纱线的整体外径匹配。
进一步的,所述冷却段中心设置有贯通的冷却通道用于冷却从刮液段输出的纱线,并在冷却通道外侧设置换热机构进行换热;所述刮液管通过轴承与冷却段进口端连接,并在刮液管的外侧开设有同步槽,用于连接同步带进行传动连接。
进一步的,冷却通道外侧设置有冷却液通道,并在在冷却段的外侧壁上连通有接头,用于循环通入低温冷却液。
本发明的有益效果:以起绒纱作为芯纱,其表面的绒毛纤维中的孔隙等可作为抗菌剂的容置空间,而设置低捻系数的捻合段、并条段,利于后续整理中整理液渗透,同时并条段的设置也利于后续再加捻时,与并条段作用,增加后续的捻合后纤维间的作用力;并在整理后包覆相变材料,以形成保护屏障,在后续加工中防止抗菌剂脱落,也可起到一定的润滑作用;在捻合段和并条段节点处的第一包芯纱自捻回形成自捻段,一方面可防止捻合段松动,保证强度;另一方面,可形成局部凸起,便于后续再加捻时,捻合的纤维间具有更高的作用力,不易产生轴向的滑移,进而可形成对内层抗菌剂更好的保护;通过排液冷凝机构,可较好的在纱线表面包覆相变材料,也利于后续进一步加工。
附图说明
附图用来提供对本发明的进一步理解,并且构成说明书的一部分,与本发明的实施例一起用于解释本发明,并不构成对本发明的限制。在附图中:
图1为抗菌功能纱中芯纱和第一包芯纱配合的结构示意图;
图2为图1中进一步粘合第二包芯纱的结构示意图;
图3为纱线相变材料包覆设备的结构示意图;
图4为排液冷凝机构的局部放大图。
1-芯纱;2-第一包芯纱;21-捻合段;22-并条段;23-自捻段;3-第二包芯纱; 4-整理池;41-导向辊;5-刮液段;51-锥形通道;52-同步槽;6-冷却段;61-冷却通道;62-冷却液通道;63-接头。
具体实施方式
下面将结合本发明实施例中的附图,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。
所述实施例的示例在附图中示出,其中自始至终相同或类似的标号表示相同或类似的元件或具有相同或类似功能的元件。下面通过参考附图描述的实施例是示例性的,旨在用于解释本发明,而不能理解为对本发明的限制。
参照图1和图2,一种基于纳米氧化物的抗菌功能纱,包括芯纱1,芯纱1 为起绒纱,在芯纱1外侧包覆捻合有第一包芯纱2,第一包芯纱2捻合过程中形成捻合段21,捻合段21为低捻系数,并在捻合过程中间隔的并条(不参与加捻,如间隔1-3cm)形成并条段22,后经由抗菌整理后包覆相变材料进行后续加捻;
以起绒纱作为芯纱,其表面的绒毛纤维中的孔隙等可作为抗菌剂的容置空间,而设置低捻系数的捻合段21、并条段22,利于后续整理中整理液渗透,同时并条段22的设置也利于后续再加捻时,与并条段22作用,增加后续的捻合后纤维间的作用力;并在整理后包覆相变材料,以形成保护屏障,在后续加工中防止抗菌剂脱落,也可起到一定的润滑作用。
本实例中,仅在第一包芯纱2外侧包覆第二包芯纱3,且第二包芯纱3具有相对较高的捻系数,以覆盖住内侧的纤维,起到物理固化抗菌剂的作用。
同时,在捻合段21和并条段22节点处的第一包芯纱2自捻回形成自捻段 23(如捻回5-20捻),一方面可防止捻合段21松动,保证强度;另一方面,可形成局部凸起,便于后续再加捻时,捻合的纤维间具有更高的作用力,不易产生轴向的滑移,进而可形成对内层抗菌剂更好的保护。
包覆第一包芯纱2的芯纱1浸润在含有无机抗菌剂的整理液中,脱水烘干后得到,为常规后整理工艺,本实施例中,在整理液中按照(1-3)g/KG的添加比例,添加纳米金属氧化物颗粒,如纳米氧化银、纳米氧化铝或纳米氧化锌中的一种或组合,将上述抗菌剂预先溶于40-50℃的温水中,加入质量分数0.1-0.3%的表面活性剂,如CMC,振荡充分溶解后,溶于整理液中。
上述纱线加工方法如下:
1、进行一道加捻工序,在芯纱1表面形成间隔的捻合段21和并条段22,捻系数为100-250;
2、将上述捻合后的纱线进行抗菌整理后,输出干燥的纱线;
3、将步骤2中整理后的纱线浸浴在相变材料中,并通过排液冷凝机构,在纱线表面形成固态相变材料包覆层;
4、再在步骤3中的纱线表面进行后续加捻包覆第二包芯纱3,其捻系数为 300-450。
进一步的,步骤3中,相变材料为48-52℃的石蜡,并将石蜡中添加5%-8%的石墨粉末,在熔融状态下搅拌混合均匀。石蜡中添加少量的石墨粉末,既可增加其导热能力,避免后续加工过程中,纤维间摩擦升温,导致石蜡熔化,同时可增加润滑能力。
同时,参照图3和图4,图示了步骤3中包覆相变材料的设备,包括:
整理池4,内盛放有熔融态的相变材料,端侧设置进出料口,并在其内转动设置有若干导向辊41用于将纱线浸渍在相变材料中;排液冷凝机构设置在整理池4的出料端。
所述排液冷凝机构包括可转动的刮液段5和用于冷却刮液后输出纱线的冷却段6,所述刮液段5内偏心设置有锥形通道51,该锥形通道51随纱线传输方向直径减小,且出口端的直径略大于纱线的整体外径。
具体的,
所述冷却段6中心设置有贯通的冷却通道61用于冷却从刮液段5输出的纱线,并在冷却通道61外侧设置换热机构进行换热;所述刮液管5通过轴承与冷却段6进口端连接,并在刮液管5的外侧开设有同步槽52,用于连接同步带进行传动连接。
冷却通道61外侧设置有冷却液通道62,并在在冷却段6的外侧壁上连通有接头63,用于循环通入低温冷却液(下进上出),同时,根据实际情况选择冷却通道61的长度,以保证相变材料充分固化。
工作时,纱线从锥形通道51的大孔端输入,由于锥形通道51直径逐渐减小,可起到挤压轧液的作用,排出大部分的相变液,并从大孔端排出,当然考虑到减小传输阻力,在整理池4内设置轧液辊(未示出)进行预轧液后再进一步排液亦可;同时由于锥形通道51整体少量偏心,在刮液段5外部转动过程中,会使得锥形通道51的内壁接触并挤压纱线,同时,由于内壁的转动,可对纱线表面的绒毛纤维进行捻回,使其卷绕在芯线2上,也可起到对整理剂的保护作用,利于相变材料固化后形成条干相对均一的柱状。
本申请中,未详细说明的结构及连接关系均为现有技术,其结构及原理已为公知技术,面料的编织方法无特殊要求,为与现有网眼布类似的编织方法,在此不再赘述。
以上所述,仅为本发明较佳的具体实施方式,但本发明的保护范围并不局限于此,任何熟悉本技术领域的技术人员在本发明揭露的技术范围内,根据本发明的技术方案及其发明构思加以等同替换或改变,都应涵盖在本发明的保护范围之内。
Claims (10)
1.一种基于纳米氧化物的抗菌功能纱,包括芯纱,芯纱为起绒纱,在芯纱外侧包覆捻合有第一包芯纱,其特征在于:第一包芯纱捻合形成捻合段,并在捻合后并条形成并条段,以形成间隔的捻合段和并条段,并将该纱线抗菌整理后包覆相变材料进行后续加捻。
2.根据权利要求1所述的基于纳米氧化物的抗菌功能纱,其特征在于:捻合段为低捻系数。
3.根据权利要求1所述的基于纳米氧化物的抗菌功能纱,其特征在于:在第一包芯纱外侧包覆第二包芯纱,且第二包芯纱具有相对较高的捻系数。
4.根据权利要求1所述的基于纳米氧化物的抗菌功能纱,其特征在于:在整理液中按照(1-3)g/KG的添加比例,添加纳米金属氧化物抗菌剂,将上述抗菌剂预先溶于40-50℃的温水中,加入质量分数0.1-0.3%的表面活性剂,振荡充分溶解后,溶于整理液中。
5.一种纱线的加工方法,用于加工权利要求1-4中任意一项所述的基于纳米氧化物的抗菌功能纱,其特征在于:
加工方法如下:
S1、进行一道加捻工序,在芯纱表面形成间隔的捻合段和并条段;
S2、将上述捻合后的纱线进行抗菌整理后,输出干燥的纱线;
S3、将步骤2中整理后的纱线浸浴在相变材料中,并通过排液冷凝机构,在纱线表面形成固态相变材料包覆层;
S4、再在步骤3中输出的纱线表面进行后续加捻工序。
6.根据权利要求5所述的纱线加工方法,其特征在于:在捻合段和并条段节点处的第一包芯纱自捻回形成自捻段。
7.根据权利要求5所述的基于纳米氧化物的抗菌功能纱,其特征在于:相变材料为48-52℃的石蜡。
8.根据权利要求7所述的基于纳米氧化物的抗菌功能纱,其特征在于:在石蜡中添加5%-8%的石墨粉末,在熔融状态下搅拌混合均匀。
9.一种纱线表面包覆相变材料的设备,用于在权利要求5-8任意一项所述的基于纳米氧化物的抗菌功能纱表面包覆相变材料,其特征在于:包括整理池,内盛放有熔融态的相变材料,端侧设置进出料口,并在其内转动设置有若干导向辊用于将纱线浸渍在相变材料中;所述排液冷凝机构设置在整理池的出料端,所述排液冷凝机构包括可转动的刮液段和用于冷却刮液后输出纱线的冷却段,所述刮液段内偏心设置有锥形通道,该锥形通道随纱线传输方向直径减小,且出口端的直径与纱线的整体外径匹配。
10.根据权利要求9所述的纱线表面包覆相变材料的设备,其特征在于:所述冷却段中心设置有贯通的冷却通道用于冷却从刮液段输出的纱线,并在冷却通道外侧设置换热机构进行换热;所述刮液管通过轴承与冷却段进口端连接,并在刮液管的外侧开设有同步槽,用于连接同步带进行传动连接。
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