CN117261470A - 一种医用腕带专用的碳带及其制备方法 - Google Patents
一种医用腕带专用的碳带及其制备方法 Download PDFInfo
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Abstract
本发明公开了一种医用腕带专用的碳带,由基膜和分别涂于基膜两侧的背涂层和热转印层构成,所述热转印层分为三部分,由基膜一侧表面自内向外依次为剥离层、耐酒精油墨层、耐水洗油墨层,所述剥离层是由10~20wt%聚氨酯和80~90wt%聚乙烯蜡组成,所述耐酒精油墨层是由20~40wt%聚酯树脂,30~50wt%环氧树脂和10~30wt%炭黑组成,所述耐水洗油墨层是由30~50wt%环氧树脂,20~40wt%茚满树脂和30~50wt%炭黑组成。本发明的创新点在于热转印油墨层中设计为两层,耐水洗油墨层和耐酒精油墨层,在转印过程后,腕带上的信息能够起到耐水洗和耐酒精、耐手汗的功能;同时在耐水洗油墨层和耐酒精油墨层中都含有环氧树脂,增加了耐酒精油墨层和耐水洗油墨层的连接作用,起到耐水洗和耐酒精、耐手汗的保护作用。
Description
技术领域
本发明属于烫印材料技术领域,具体涉及一种医用腕带专用的碳带及其制备方法。
背景技术
医用腕带又叫病人识别带,是病人身份的唯一性标识,上面记录着病人姓名、年龄、性别、病房、床号、所属科室等信息。医用腕带目前在各大型综合医院都有使用,主要分为手写腕带、条码打印腕带和热敏打印腕带三种。根据市场要求,腕带的打印信息会通过智能识别系统和医院His系统对接与应用,面对医疗信息化大趋势,而患者身份识别始终是信息化发展的瓶颈,缺少这个环节的医疗信息化,让患者与医疗信息之间缺乏有效的联系起来的手段和机制,医院信息管理系统无法真正地实现信息管理的关联和闭环,为解决这一问题引入了患者身份标识系统。患者身份标识是通过医用腕带作为介质来实现的。
医用腕带一般都能防水防酒精,具有识别性,唯一性的最大特点。然而,手写腕带效率低、识别性差;热敏碳带,热敏打印在医院腕带上的使用是非常方便,效率很高,且环保,不需要耗材。但是,热敏打印医用腕带是不耐高温的。如果当热水温度超过60度时,医用腕带就会变色。相比于热敏腕带,条码打印腕带具有打印速度快、一种碳带能够打印多种材质的特点。一般的条码打印碳带,在医用腕带使用时存在耐水洗差,耐酒精性差,耐手汗差的特点。基于此,研发了本申请。本发明提供了一款医用腕带专用的碳带,具有良好的打印效果,信息可识别性好,同时具有优良的耐水洗、耐酒精性和耐手汗性能等特点。
发明内容
本发明目的在于克服现有技术缺陷,提供一种医用腕带专用的碳带,该碳带具有良好的打印效果,信息可识别性好,同时具有优良的耐水洗防水性、耐酒精性和耐手汗性能等特点。
本发明还公开了上述用于医用腕带专用的碳带的制备方法。
为实现上述目的,本发明采用如下技术方案:
一种医用腕带专用的碳带,其由基膜和分别涂于基膜两侧的背涂层和热转印层构成,所述热转印层分为三部分,由基膜一侧表面自内向外依次为剥离层、耐酒精油墨层和耐水洗油墨层;以重量百分比计,所述剥离层由10-20wt%聚氨酯和80-90wt%聚乙烯蜡组成。
具体的,以重量百分比计,所述耐酒精油墨层由20-40wt%聚酯树脂、30-50wt%环氧树脂和10-30wt%炭黑组成,所述基膜为PET膜;所述背涂层是由丙烯酸改性有机硅树脂构成。
进一步的,所述耐水洗油墨层由30-50wt%环氧树脂,20-40wt%茚满树脂和30-50wt%炭黑组成。耐酒精油墨层和耐水洗油墨层中同时存在环氧树脂。
具体的,耐酒精油墨层中,所述炭黑由酸性炭黑和碱性炭黑组成,组成比为3:7-7:3之间。
进一步的,所述耐酒精油墨层厚度为0.3-0.5微米。
进一步的,所述耐水洗油墨层厚度为0.3-0.5微米。
本发明提供了一种上述医用腕带专用的碳带的制备方法,其包括以下步骤:
1)、在基膜的一面涂布背涂层,烘干,进入下一工序;
2)、在基膜的另一面涂布剥离层,厚度控制在1.0-2.0μm,烘干,进入下一工序;
3)、在剥离层上涂布耐酒精油墨层,厚度控制在0.3-0.5μm,烘干,进入下一工序;
4)、在耐酒精油墨层上涂布耐水洗油墨层,厚度控制在0.3-0.5μm,烘干,即得碳带。
作为优选,一种上述医用腕带专用的碳带的制备方法,具体包括以下步骤:
1)、背涂层的制备:将丙烯酸改性有机硅树脂与丁酮一起混合搅拌均匀(以质量比计,树脂:丁酮=12-15:1),采用凹版涂布机涂布在基膜的一面,烘干,进入下一工序;
2)、剥离层的制备:通过加热的方式将聚氨酯溶解在丁酮中,冷却后加入聚乙烯蜡(以质量比计,丁酮:聚氨酯:聚乙烯蜡=70-80:5-10:15-20),然后高速分散混合均匀,采用凹版涂布机涂布在基膜的另一面,烘干形成剥离层,进入下一工序;
3)、耐酒精油墨层的制备:通过加热的方式将聚酯树脂和环氧树脂溶解在丁酮中,冷却后加入炭黑(以质量比计,丁酮:聚酯树脂:环氧树脂:炭黑=70-75:10-15:8-10:8-10),混合均匀,涂布在剥离层上,烘干形成耐酒精油墨层,进入下一工序;
4)、耐水洗油墨层的制备:通过加热的方式将环氧树脂和茚满树脂溶解在丁酮中,冷却后加入炭黑(以质量比计,丁酮:茚满树脂:环氧树脂:炭黑=70-75:8-10:8-10:10-15),混合均匀,涂布在耐酒精油墨层上,烘干形成耐水洗油墨层,即得碳带。
本发明中,医用腕带是人体直接接触的,在树脂、炭黑的选用上需使用安全级别高的材料。
和现有技术相比,本发明具有如下有益效果:
本发明提供了一种医用腕带专用的碳带,该碳带具有良好的打印效果,信息可识别性好,同时具有优良的耐水洗防水性、耐酒精性和耐手汗性能等特点。本发明的创新点在于热转印油墨层中设计为两层,耐水洗油墨层和耐酒精油墨层,在转印过程后,腕带上的信息能够起到耐水洗和耐酒精、耐手汗的功能;同时在耐水洗油墨层和耐酒精油墨层中都含有环氧树脂,增加了耐酒精油墨层和耐水洗油墨层的连接作用,起到耐水洗和耐酒精、耐手汗的保护作用。
附图说明
图1为本发明所述医用腕带专用碳带的截面示意图,其中,a为背涂层,b为基材,c为剥离层,d为耐酒精油墨层,e为耐水洗油墨层。
具体实施方式
以下结合实施例对本发明的技术方案作进一步地详细介绍,但本发明的保护范围并不局限于此。
在按本领域常规方法制备而得的基膜(PET薄膜,厚4.5μm,焦作卓立膜材料股份有限公司生产)上进行碳带的制备。
下述实施例中,选用的物料及购买厂家信息如下:
聚氨酯:型号5715,购自美国路博润;
聚乙烯蜡:型号PEW-0215,购自南京天诗新材料科技有限公司;
丙烯酸改性有机硅树脂:型号BT-03,焦作卓立膜材料股份有限公司生产;
聚酯树脂:型号XP-0114,购自日本尤尼吉克;
环氧树脂:型号NPES-902,购自南亚环氧树脂有限公司;
茚满树脂:型号C 100,购自德国吕格特;
炭黑:型号HB30PWD(PH 8,碱性炭黑),购自德国欧励隆;
炭黑:型号NX600(PH 2.5,酸性炭黑),购自德国欧励隆。
实施例1-5
一种医用腕带专用的碳带,其由基膜和分别涂于基膜两侧的背涂层和热转印层构成,所述热转印层分为三部分,由基膜一侧表面自内向外依次为剥离层、耐酒精油墨层和耐水洗油墨层;所述基膜为PET膜;所述背涂层是由丙烯酸改性有机硅树脂构成,背涂层厚度为0.2微米。
各实施例中的具体物料配比及涂布厚度情况如下表1所示,其中,
本发明医用腕带专用的碳带的制备方法,具体包括以下步骤:
1)、背涂层的制备:将丙烯酸改性有机硅树脂与丁酮一起混合搅拌均匀(以质量比计,树脂:丁酮=15:1),采用凹版涂布机涂布在基膜的一面,110℃烘干,进入下一工序;
2)、剥离层的制备:通过加热的方式将聚氨酯溶解在丁酮中,冷却后加入聚乙烯蜡(以质量比计,丁酮:聚氨酯:聚乙烯蜡=75:5:20),然后高速分散混合均匀。采用凹版涂布机涂布在基膜的另一面,100℃烘干形成剥离层,进入下一工序;
3)、耐酒精油墨层的制备:通过加热的方式将聚酯树脂和环氧树脂溶解在丁酮中,冷却后加入炭黑(以质量比计,丁酮:聚酯树脂:环氧树脂:炭黑=70:12:9:9),混合均匀,涂布在剥离层上,100℃烘干形成耐酒精油墨层,进入下一工序;
4)、耐水洗油墨层的制备:通过加热的方式将茚满树脂和环氧树脂溶解在丁酮中,冷却后加入炭黑(以质量比计,丁酮:茚满树脂:环氧树脂:炭黑=70:9:9:12),混合均匀,涂布在耐酒精油墨层上,烘干100℃形成耐水洗油墨层,即得碳带,结构示意图见图1。
对比例1-7
为了检验耐酒精油墨层、耐水洗油墨层涂布厚度对碳带性能的影响,特给出了对比例1至7。对比例1-7中具体物料配比及涂布厚度情况如下表2所示。其它及制备方法参照实施例1。
对上述各实施例和对比例所制备的医用腕带专用的碳带,采用条码打印机在腕带上打印条码、字母和数字,对其转印性进行实际检测;采用耐磨耗试验机对其转印印迹、耐酒精性能进行评价。各机器型号及检测方法具体列举如下。
1)条码打印机:Zebra 105SL,按4inch/s速度以合适打印温度进行打印;
2)耐酒精性能:耐磨耗试验机339,打印图像在耐磨耗试验机339上固定,负重100g砝码,将75%酒精滴入摩擦头开始测试,以摩擦后字迹开始模糊为结束记录摩擦次数,此次数作为结果。
3)耐水洗性能:把待检测的腕带缝制于棉布上放入洗衣机中,使用40℃的水温进行常规洗涤70min后,用色密度仪测定反射密度,根据反射密度计算出印迹衰减率。
4)耐手汗性能:指用人体汗液沾在手指腹,使劲按着打印字迹来回摩擦到记录字迹缺损为止,记录次数,此次数作为结果。
条码打印机实际打印结果表明,在4IPS条件下,打印图案清晰,具备可应用性。对耐酒精性能、耐水洗性能、耐手汗性能的具体检测结果如下表3所示。
表3各实施例及对比例所得碳带的物性评价结果
表中表中“○”表示符合要求,“×”表示不符合要求。
从上表结果可以看出,本发明所述医用腕带专用的碳带,具有较好的耐酒精、耐水洗、耐手汗的性能。对比例9单独只有耐酒精油墨层时,耐酒精好,耐水洗不行,对比例8单独只有耐水洗油墨层时,耐酒精、耐水洗、耐手汗均不行。耐酒精油墨层和耐水洗油墨层中同时存在环氧树脂时,起到耐酒精的连接作用,耐酒精好。耐水洗油墨层中如果只有茚满树脂时,耐水洗差,耐酒精差;只有环氧树脂时,耐酒精好,耐水洗差。茚满树脂主要起耐水洗的作用,但是需要和环氧树脂同时起到耐酒精和耐水洗的作用。耐酒精油墨层越厚,耐酒精性越好,但是影响打印效果。耐水洗油墨层过薄、过厚,耐水洗性都不好,厚度对耐水洗性影响比较大。耐酒精油墨层中的炭黑是耐手汗的关键,酸性炭黑和碱性炭黑耐手汗都差,需要进行混合使用,耐手汗最好。
综上可以看出:本发明碳带是医用腕带专用的碳带,其显著提高了碳带打印后信息的耐酒精、耐水洗、耐手汗性能。一般碳带在腕带上打印后,耐酒精、耐水洗、耐手汗性能都没有,严重限制了应用领域。本发明碳带不仅具有使用方便、经济适用的特点,同时碳带产品所有材料完全等特性,因而具有较好的推广应用价值。
需要说明的是,上述实施例仅是本发明的部分较优的技术方案,并非对于技术方案的穷举,本领域技术人员根据发明内容部分所描述内容,对于相关物料的选择及用量基于本领域常规方式进行适当选择和替换即可得到多种组合方式,而这些组合应当视为本发明技术方案的一部分,在此不再重复列举及说明。
Claims (8)
1.一种医用腕带专用的碳带,其特征在于,由基膜和分别涂于基膜两侧的背涂层和热转印层构成,所述热转印层分为三部分,由基膜一侧表面自内向外依次为剥离层、耐酒精油墨层和耐水洗油墨层;以重量百分比计,所述剥离层由10-20wt%聚氨酯和80-90wt%聚乙烯蜡组成。
2.如权利要求1所述的医用腕带专用的碳带,其特征在于,以重量百分比计,所述耐酒精油墨层由20-40wt%聚酯树脂、30-50wt%环氧树脂和10-30wt%炭黑组成。
3.如权利要求1所述的医用腕带专用的碳带,其特征在于,所述耐水洗油墨层由30-50wt%环氧树脂,20-40wt%茚满树脂和30-50wt%炭黑组成。
4.如权利要求2所述的医用腕带专用的碳带,其特征在于,所述炭黑由酸性炭黑和碱性炭黑组成,组成比为3:7-7:3之间。
5.如权利要求1所述的医用腕带专用的碳带,其特征在于,所述耐酒精油墨层厚度为0.3-0.5微米。
6.如权利要求1所述的医用腕带专用的碳带,其特征在于,所述耐水洗油墨层厚度为0.3-0.5微米。
7.权利要求1至6任一所述医用腕带专用的碳带的制备方法,其特征在于,其包括以下步骤:
1)、在基膜的一面涂布背涂层,烘干,进入下一工序;
2)、在基膜的另一面涂布剥离层,厚度控制在1.0-2.0µm,烘干,进入下一工序;
3)、在剥离层上涂布耐酒精油墨层,烘干,进入下一工序;
4)、在耐酒精油墨层上涂布耐水洗油墨层,烘干,即得碳带。
8.如权利要求7所述医用腕带专用的碳带的制备方法,其特征在于,具体包括以下步骤:
1)、背涂层的制备:将丙烯酸改性有机硅树脂与丁酮混合均匀,采用凹版涂布机涂布在基膜的一面,烘干,进入下一工序;
2)、剥离层的制备:通过加热的方式将聚氨酯溶解在丁酮中,冷却后加入聚乙烯蜡,混合均匀,采用凹版涂布机涂布在基膜的另一面,烘干形成剥离层,进入下一工序;
3)、耐酒精油墨层的制备:通过加热的方式将聚酯树脂和环氧树脂溶解在丁酮中,冷却后加入炭黑,混合均匀,涂布在剥离层上,烘干形成耐酒精油墨层,进入下一工序;
4)、耐水洗油墨层的制备:通过加热的方式将环氧树脂和茚满树脂溶解在丁酮中,冷却后加入炭黑,混合均匀,涂布在耐酒精油墨层上,烘干形成耐水洗油墨层,即得碳带。
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