CN107815855A - 一种纺织品金属化的制备方法 - Google Patents
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Abstract
本发明属于纺织品金属化加工领域,具体公开了一种纺织品金属化的制备方法,该方法选用经过经纬编织或针织形成的化纤纤维的编织布料,在纺织品表面经过粗化、中和、浸含金属离子的胶体溶液、固化,形成表面含有金属离子胶体固化层的材料,再经真空镀膜、电沉积金属形成全方位导电的纺织品。使纺织品的交叉部位粘合后,再形成金属镀膜,从而形成全方位的导体。该方法利用含金属离子胶体溶液的粘接作用,填补了纺织品交叉部位遮蔽带来的空缺,使得后面的金属化加工可以减少金属的使用量,提高生产的效率,节约金属资源和能源的消耗。
Description
技术领域
本发明属于纺织品金属化加工领域,具体涉及一种纺织品金属化的制备方法。
背景技术
目前随着智能显示技术的日新月异,重量轻厚度薄的软体导电屏蔽材料成为智能设备需求的方向。传统的金属化纺织品作为软体电磁屏蔽的主力品种,主要是在纺织品材料表面经过粗化、敏化、化学镀然后电镀和在纺织品表面直接真空镀膜然后电镀的方式。化学镀需要使用价格昂贵的氯化钯,切由于化学镀液的稳定性难以控制,在规模生产时会带来质量的不确定性;在纺织品表面直接真空镀膜,由于纺织品的交叉部位形成遮蔽,会存在遮蔽部位的镀层空缺,从而需要在电沉积时沉积更多的金属把交叉部位进行包覆才可以形成完整的金属膜层,以80um的纺织品为基础达到方租0.03欧姆的金属化纺织品,化学镀加电镀需要23g/m2,真空镀电镀需要28g/m2。金属资源是有限资源,目前电子类产品对金属资源的需求强劲,节约金属资源,节约了能源的消耗,减少碳排放是当务之急。
发明内容
本发明所要解决的技术问题是提供一种纺织品金属化的制备方法,该方法采用粗化、中和、浸含金属离子的胶体溶液、固化、真空镀膜、电沉积金属的方式,使纺织品的交叉部位粘合后,再形成金属镀膜,从而形成全方位的导体。由于含金属离子胶体溶液的粘接作用,填补里纺织品交叉部位遮蔽带来的空缺,使得后面的金属化加工可以减少金属的使用量,提高生产的效率,节约金属资源和能源的消耗。
为解决上述技术问题,本发明采用的技术方案是:所述纺织品金属化的制备方法,具体包括以下步骤:
(1)粗化:将纺织品浸于盐酸或者氢氧化钠溶液中进行粗化,至表面微观粗糙;
(2)中和:步骤(1)粗化后的纺织品经水洗后,浸于氢氧化钠或者硫酸溶液中进行中和;
(3)浸含金属离子的胶体溶液:步骤(2)中和后的纺织品再次清洗后,浸入含金属离子的胶体溶液,其表面吸附胶体后,进行干燥固化;
(4)真空镀膜:步骤(3)完成后,在纺织品表面进行真空镀膜10~100nm,形成电阻0.1~1000Ω方阻的导电层;
(5)电沉积金属:步骤(4)完成后,在导电层表面电沉积至少一层金属膜层,形成方阻0.01~0.1Ω的导电纺织品。
其中,上述纺织品金属化的制备方法,步骤(1)中所述纺织品为经过经纬编织或针织形成的化纤纤维的编织布料。
其中,上述纺织品金属化的制备方法,步骤(1)中所述盐酸溶液的浓度为5~10wt%,所述粗化的条件为:50~80℃,浸泡1~5min。
其中,上述纺织品金属化的制备方法,步骤(1)中所述氢氧化钠溶液的浓度为10~20wt%,所述粗化的条件为:20~30℃,浸泡1~5min。
其中,上述纺织品金属化的制备方法,步骤(2)中所述硫酸溶液和氢氧化钠溶液的浓度均为5~10wt%,中和1~2min。
其中,上述纺织品金属化的制备方法,步骤(3)中所述含金属离子的胶体溶液,每升溶液中包括20~30wt%的水性树脂溶液、分散剂1~3g、金属离子0.1mg~10g。
其中,上述纺织品金属化的制备方法步骤(3),所述水性树脂溶液为水性聚氨酯、水性环氧树脂、水性丁苯乳胶或者水性丙烯酸树脂。
其中,上述纺织品金属化的制备方法步骤(3),所述分散剂为三乙基己基磷酸、十二烷基硫酸钠、甲基戊醇、纤维素衍生物、聚丙烯酰胺、古尔胶或者脂肪酸聚乙二醇酯。
其中,上述纺织品金属化的制备方法,步骤(3)中纺织品浸入含金属离子的胶体溶液中的时间为0.5~1.5min,所述干燥固化的条件为:固化45~50h,温度80~100℃。
其中,上述纺织品金属化的制备方法,步骤(4)中所述真空镀金属膜的方式为:真空蒸发度、离子镀或者磁控溅射。
其中,上述纺织品金属化的制备方法,步骤(5)中所述金属膜层是指铝、锌、银、锡、铜、镍、不锈钢、钛、铬、铜镍合金和镍铬合金中的至少一种。
与现有技术相比,本发明的有益效果是:本发明方法采用粗化、中和、浸含金属离子的胶体溶液、固化、真空镀膜、电沉积金属的方式,使纺织品的交叉部位粘合后,再形成金属镀膜,从而形成全方位的导体。由于含金属离子胶体溶液的粘接作用,填补里纺织品交叉部位遮蔽带来的空缺,使得后面的金属化加工可以减少金属的使用量,提高生产的效率,节约金属资源和能源的消耗。通过本方法可全加成制造各种电子电路,无需上光刻胶、曝光、蚀刻等工序,减少了废气、废液的产生,节约了金属资源,降低了电子电路的制作成本,可实现卷对卷的连续化生产。
具体实施方式
本发明提供了一种纺织品金属化的制备方法,该方法具体包括以下步骤:
(1)粗化:选用经过经纬编织或针织形成的化纤纤维的编织布料作为纺织品,再根据化纤纤维的具体类别,选择浸于盐酸或者氢氧化钠溶液中进行粗化,至表面微观粗糙;
(2)中和:步骤(1)粗化后的纺织品经水洗后,根据化纤纤维的具体类别,选择浸于氢氧化钠或者硫酸溶液中进行中和;
(3)浸含金属离子的胶体溶液:步骤(2)中和后的纺织品再次清洗后,浸入含金属离子的胶体溶液0.5~1.5min,其表面吸附胶体后,进行干燥固化,固化45~50h,温度80~100℃;所述含金属离子的胶体溶液,每升溶液中包括20~30wt%的水性树脂溶液、分散剂1~3g、金属离子0.1mg~10g;由于含金属离子胶体溶液的粘接作用,填补里纺织品交叉部位遮蔽带来的空缺,使得后面的金属化加工可以减少金属的使用量;所述水性树脂溶液为水性聚氨酯、水性环氧树脂、水性丁苯乳胶或者水性丙烯酸树脂;所述分散剂为三乙基己基磷酸、十二烷基硫酸钠、甲基戊醇、纤维素衍生物、聚丙烯酰胺、古尔胶或者脂肪酸聚乙二醇酯;
(4)真空镀膜:步骤(3)完成后,在纺织品表面采用真空蒸发度、离子镀或者磁控溅射方式,进行真空镀膜10~100nm,形成电阻0.1~1000Ω方阻的导电层;
(5)电沉积金属:步骤(4)完成后,在导电层表面电沉积至少一层金属膜层,形成方阻0.01~0.1Ω的导电纺织品;所述金属膜层是指铝、锌、银、锡、铜、镍、不锈钢、钛、铬、铜镍合金和镍铬合金中的至少一种。
其中,上述纺织品金属化的制备方法,步骤(1)中所述盐酸溶液的浓度为5~10wt%,所述粗化的条件为:50~80℃,浸泡1~5min。
其中,上述纺织品金属化的制备方法,步骤(1)中所述氢氧化钠溶液的浓度为10~20wt%,所述粗化的条件为:20~30℃,浸泡1~5min。
其中,上述纺织品金属化的制备方法,步骤(2)中所述硫酸溶液和氢氧化钠溶液的浓度均为5~10wt%,中和1~2min。
优选的,上述纺织品金属化的制备方法,步骤(5)中所述金属膜层为锡、铜和镍中的至少一种。
此处的实施例用来提供对本发明的进一步理解,构成本申请的一部分,但不构成对本发明的不当限定。
实施例1采用水性聚氨酯树脂作为胶体溶液的处理方法,具体方法如下:
使用涤纶长丝编织的纺织品,在20wt%的氢氧化钠溶液在30℃的情况下处理5min,经过水洗后用5wt%的硫酸溶液中和1min,然后清洗干净。
将清洗好的涤纶编织布浸入含金属离子的胶体溶液1min,每升胶体溶液中含有20wt%聚氨酯水性树脂、分散剂-古尔胶2g、氯化亚锡0.1g,涤纶编织布表面吸附胶体后,取出干燥和固化,固化时间48h,温度100℃。此时编织布的交叉部位形成了粘接。
将制作好的涤纶编织布放入磁控溅射镀膜机镀镍50nm,方阻50~200Ω。
将经过磁控溅射镀镍的涤纶编织布进行电沉积1.5um的铜,约12g,随后电沉积0.5um的镍,约4g,此时方阻约0.05Ω,纺织品具备了良好的导电性能。
实施例2采用水性丙烯酸树脂作为胶体溶液的处理方法,具体方法如下:
使用锦纶长丝编织的纺织品,在5wt%的盐酸溶液在50℃的情况下处理1min,经过水洗后用5wt%的氢氧化钠溶液中和1min,然后清洗干净。
将清洗好的锦纶编织布浸入含金属离子的胶体溶液1min,每升胶体溶液中含有25wt%丙烯酸水性树脂、分散剂-聚丙烯酰胺2g、羟基镍粉1g,锦纶编织布表面吸附胶体后,取出干燥和固化,固化时间48h,温度80℃。此时编织布的交叉部位形成了粘接。
将制作好的锦纶编织布放入真空离子镀膜机镀不锈钢50nm,方阻100~500Ω。
将经过真空离子镀不锈钢膜层的锦纶编织布进行电沉积2um的铜,约15g,随后电沉积0.5um的镍,约4g,此时方阻约0.03Ω,纺织品具备了良好的导电性能。
实施例3采用水性环氧树脂作为胶体溶液的处理方法,具体方法如下:
使用丙纶长丝针织的纺织品,在10wt%的盐酸溶液在80℃的情况下处理5min,经过水洗后用5wt%的氢氧化钠溶液中和1min,然后清洗干净。
将清洗好的丙纶针织布浸入含有金属离子的胶体溶液1min,每升胶体溶液中含有25wt%环氧水性树脂、分散剂-甲基戊醇2g、羟基镍粉1g,丙纶针织布表面吸附胶体后,取出干燥和固化,固化时间48h,温度80℃。此时编织布的交叉部位形成了粘接。
将制作好的丙纶针织布放入磁控溅射镀膜机镀铜镍合金50nm,方阻100~1000Ω。
将溅射铜镍合金的丙纶编织布进行电沉积1um的铜,约8g,随后电沉积0.5um的锡,约4g,此时方阻约0.07Ω,纺织品具备了良好的导电性能,且保持了针织品的弹性和柔软性。
实施例4采用水性丁苯乳胶作为胶体溶液的处理方法,具体方法如下:
使用丙纶长丝针织的纺织品,在10wt%的盐酸溶液在80℃的情况下处理5min,经过水洗后用5wt%的氢氧化钠溶液中和1min,然后清洗干净。
将清洗好的丙纶针织布浸入含有金属离子的胶体溶液1min,每升胶体溶液中含有25wt%水性丁苯乳胶、分散剂-甲基戊醇2g、羟基镍粉1g,丙纶针织布表面吸附胶体后,取出干燥和固化,固化时间48h,温度80℃。此时编织布的交叉部位形成了粘接。
将制作好的丙纶针织布放入磁控溅射镀膜机镀铜镍合金50nm,方阻100~1000Ω。
将溅射铜镍合金的丙纶编织布进行电沉积1.5um的锌,约8g,随后电沉积0.5um的铬,约4g,此时方阻约0.07Ω,纺织品具备了良好的导电性能,且保持了针织品的弹性和柔软性。
实施例5采用水性丙烯酸树脂作为胶体溶液的处理方法,具体方法如下:
使用锦纶长丝编织的纺织品,在5wt%的盐酸溶液在50℃的情况下处理1min,经过水洗后用5wt%的氢氧化钠溶液中和1min,然后清洗干净。
将清洗好的锦纶编织布浸入含金属离子的胶体溶液1min,每升胶体溶液中含有25wt%丙烯酸水性树脂、分散剂-聚丙烯酰胺3g、羟基镍粉1g,锦纶编织布表面吸附胶体后,取出干燥和固化,固化时间48h,温度80℃。此时编织布的交叉部位形成了粘接。
将制作好的锦纶编织布放入真空离子镀膜机镀不锈钢50nm,方阻100~500Ω。
将经过真空离子镀不锈钢膜层的锦纶编织布进行电沉积0.5um的钛,约3g,随后电沉积0.5um的铜镍合金,约4g,随后电沉积0.5um的铜铬合金,约4g,此时方阻约0.03Ω,纺织品具备了良好的导电性能。
实施例6采用水性环氧树脂作为胶体溶液的处理方法,具体方法如下:
使用丙纶长丝针织的纺织品,在10wt%的盐酸溶液在80℃的情况下处理5min,经过水洗后用5wt%的氢氧化钠溶液中和1min,然后清洗干净。
将清洗好的丙纶针织布浸入含有金属离子的胶体溶液1min,每升胶体溶液中含有25wt%环氧水性树脂、分散剂-甲基戊醇2g、羟基镍粉800mg,丙纶针织布表面吸附胶体后,取出干燥和固化,固化时间48h,温度80℃。此时编织布的交叉部位形成了粘接。
将制作好的丙纶针织布放入磁控溅射镀膜机镀铜镍合金50nm,方阻100~1000Ω。
将溅射铜镍合金的丙纶编织布进行电沉积0.5um的镍,约3g,随后电沉积0.5um的铝,约4g,随后电沉积0.5um的不锈钢,约4g,此时方阻约0.07Ω,纺织品具备了良好的导电性能,且保持了针织品的弹性和柔软性。
以上所述为本发明的优选实施例,应当指出,对于本领域的技术人员来说,在不脱离本发明结构的前提下,还可以做出若干变形和改进,这些也应当视为本发明的保护范围,这些都不会影响本发明实施的效果和本专利的实用性。
Claims (10)
1.一种纺织品金属化的制备方法,其特征在于,该方法具体包括以下步骤:
(1)粗化:将纺织品浸于盐酸或者氢氧化钠溶液中进行粗化,至表面微观粗糙;
(2)中和:步骤(1)粗化后的纺织品经水洗后,浸于氢氧化钠或者硫酸溶液中进行中和;
(3)浸含金属离子的胶体溶液:步骤(2)中和后的纺织品再次清洗后,浸入含金属离子的胶体溶液,其表面吸附胶体后,进行干燥固化;
(4)真空镀膜:步骤(3)完成后,在纺织品表面进行真空镀膜10~100nm,形成电阻0.1~1000Ω方阻的导电层;
(5)电沉积金属:步骤(4)完成后,在导电层表面电沉积至少一层金属膜层,形成方阻0.01~0.1Ω的导电纺织品。
2.根据权利要求1所述一种纺织品金属化的制备方法,其特征在于,步骤(1)中所述纺织品为经过经纬编织或针织形成的化纤纤维的编织布料。
3.根据权利要求1所述一种纺织品金属化的制备方法,其特征在于,步骤(1)中所述盐酸溶液的浓度为5~10wt%,所述粗化的条件为:50~80℃,浸泡1~5min。
4.根据权利要求1所述一种纺织品金属化的制备方法,其特征在于,步骤(1)中所述氢氧化钠溶液的浓度为10~20wt%,所述粗化的条件为:20~30℃,浸泡1~5min。
5.根据权利要求1所述一种纺织品金属化的制备方法,其特征在于,步骤(2)中所述硫酸溶液和氢氧化钠溶液的浓度均为5~10wt%,中和1~2min。
6.根据权利要求1所述一种纺织品金属化的制备方法,其特征在于,步骤(3)中所述含金属离子的胶体溶液,每升溶液中包括20~30wt%的水性树脂溶液、分散剂1~3g、金属离子0.1mg~10g。
7.根据权利要求6所述一种纺织品金属化的制备方法,其特征在于,所述水性树脂溶液为水性聚氨酯、水性环氧树脂、水性丁苯乳胶或者水性丙烯酸树脂;所述分散剂为三乙基己基磷酸、十二烷基硫酸钠、甲基戊醇、纤维素衍生物、聚丙烯酰胺、古尔胶或者脂肪酸聚乙二醇酯。
8.根据权利要求1所述一种纺织品金属化的制备方法,其特征在于,步骤(3)中纺织品浸入含金属离子的胶体溶液中的时间为0.5~1.5min;所述干燥固化的条件为:固化45~50h,温度80~100℃。
9.根据权利要求1所述一种纺织品金属化的制备方法,其特征在于,步骤(4)中所述真空镀金属膜的方式为:真空蒸发度、离子镀或者磁控溅射。
10.根据权利要求1所述一种纺织品金属化的制备方法,其特征在于,步骤(5)中所述金属膜层是指铝、锌、银、锡、铜、镍、不锈钢、钛、铬、铜镍合金和镍铬合金中的至少一种。
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