CN105055086A - 一种自粘弹力绷带及其制备方法 - Google Patents

一种自粘弹力绷带及其制备方法 Download PDF

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CN105055086A
CN105055086A CN201510551400.6A CN201510551400A CN105055086A CN 105055086 A CN105055086 A CN 105055086A CN 201510551400 A CN201510551400 A CN 201510551400A CN 105055086 A CN105055086 A CN 105055086A
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self
layer
adhesive
substrate layer
elastic force
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刘福民
刘宇明
刘权
顾东炎
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JIAXING HOW SPORT MEDICAL INSTRUMENT CO Ltd
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Abstract

本发明涉及一种绷带,公开了一种自粘弹力绷带及其制备方法,包括自上而下依次紧贴的纤维层、弹力基材层、附着体层,纤维层、弹力基材层、附着体层形成三层结构的绷带体,附着体层上设有均匀排列分布的倒钩。本发明采用附着体层上布设倒钩,通过将带倒钩的附着体层附加到弹力基材层的一面,倒钩对弹力基材层另一面的纤维层上的纤维起到抓紧与附着力,使用自粘弹力绷带时附着体层与弹力基材层紧紧贴合,倒钩产生附着力起到固定绷带整体的作用,大大增强了绷带的自粘附着力,提高了绷带包扎时的固定施压作用,实现了绷带自粘功能,且大大提高了绷带的工作效率,该绷带结构简单、使用方便且既经济又环保。

Description

一种自粘弹力绷带及其制备方法
技术领域
本发明涉及一种绷带,尤其涉及一种自粘弹力绷带及其制备方法。
背景技术
目前,自粘弹力绷带的用途很广泛,从医用的包扎、固定到运动中的保护及损伤预防都有自粘弹力绷带的应用。由于生产工艺相对简单,成本较低,市场销量正以每年50%的速度增长。现有的自粘绷带大都是通过弹力基材层双面涂上自粘性的胶水,来实现对弹力基材层的粘附力。
目前现有自粘弹力绷带主要是由弹力基材层进行双面喷涂自粘性胶后进行烘干、打卷、分切制成自粘绷带,主要存在如下问题:一是现有的自粘弹力绷带缺少倒钩结构,使得自粘弹力绷带虽具备一定的弹力,但产品自身之间的自粘力较小,导致自粘弹力绷带使用过程中容易脱落;二是现有自粘弹力绷带的制备工艺方法和使用过程中都存在一定的弊端:制备工艺为先通过化学溶剂或乳胶将胶水溶解掉后再喷涂到弹力基材层表面,然后用烘箱来烘干、打卷、分切制成产品,但一方面这种制备工艺由于化学溶剂或乳胶的存在而大大增加了制备过程中的安全隐患和环境污染,也导致生产成本较高、生产效率较低,另一方面制备出来的自粘弹力绷带产品在使用过程中也存在对人体致敏性的缺点;三是现有自粘弹力绷带的经济效益较低:产品只能一次性使用,用完就扔掉,而缺乏重复使用与循环利用的功能,大大降低了经济效益,且当产品遇水、遇汗、高温、低温时会丧失其自粘性无法工作只能报废,使得其使用环境受到了限制,不利于推广应用。
发明内容
本发明针对现有技术中现有自粘弹力绷带主要存在以下缺点:一是现有的自粘弹力绷带缺少倒钩结构,使得自粘弹力绷带虽具备一定的弹力,但产品自身之间的自粘力较小,导致自粘弹力绷带使用过程中容易脱落;二是现有自粘弹力绷带的制备工艺方法和使用过程中都存在一定的弊端:制备工艺为先通过化学溶剂或乳胶将胶水溶解掉后再喷涂到弹力基材层表面,然后用烘箱来烘干、打卷、分切制成产品,但一方面这种制备工艺由于化学溶剂或乳胶的存在而大大增加了制备过程中的安全隐患和环境污染,也导致生产成本较高、生产效率较低,另一方面制备出来的自粘弹力绷带产品在使用过程中也存在对人体致敏性的缺点;三是现有自粘弹力绷带的经济效益较低:产品只能一次性使用,用完就扔掉,而缺乏重复使用与循环利用的功能,大大降低了经济效益,且当产品遇水、遇汗、高温、低温时会丧失其自粘性无法工作只能报废,使得其使用环境受到了限制,不利于推广应用,提供了一种带倒钩的三层结构设计使得绷带自粘能力更强且效率更高、经济效益更高的自粘弹力绷带及其制备方法。
为了解决上述技术问题,本发明通过下述技术方案得以解决:
一种自粘弹力绷带,包括自上而下依次紧贴的纤维层、弹力基材层、附着体层,纤维层、弹力基材层、附着体层形成三层结构的绷带体,附着体层上设有均匀排列分布的倒钩。
作为优选,倒钩的直径和高分别为0.05-0.5mm和0.1-1mm。
作为优选,倒钩外形为弧形倒刺状弯钩。
作为优选,纤维层的纤维错落排布在弹力基材层表面,形成互相交错的松散网面。
作为优选,弹力基材层为无纺布或棉纱或麻或毛或丝或氨纶或粘胶中的一种或以上几种的组合制成,其中:无纺布的原材料包括聚丙烯。
作为优选,弹力基材层包括重量百分比分别为60-80%、10-30%、1-15%的聚丙烯、棉纱、粘胶。
作为优选,附着体层为ABS或PP或PS或PA或PLA或木或竹或金属或改性树脂中的一种或以上几种的组合制成。
作为优选,附着体层包括重量百分比分别为50-70%、10-30%、10-30%的PP、PS、PA。
一种自粘弹力绷带的制备方法,包括如下制备步骤:
A、制备无纺布基材:先将重量百分比分别为70%、20%、10%的聚丙烯、棉纱、粘胶打碎并混合,再通过热轧工艺将混合料制成带纤维层的无纺布基材;
B、制备弹力基材层:再将弹性氨纶丝拉伸至原长的两倍缝制到两层无纺布基材的中间,每针之间缝制的间距为2mm,然后通过4-5kg·f/cm2压力的辊压复合制得弹力基材层;
C、又将重量百分比分别为60%、20%、20%的PP、PS、PA的原材料通过200℃反应釜热熔混合制成附着体层混合料,再施加6-10kg·f/cm2压力通过带倒钩结构的模具及模具注射工艺将附着体层混合料嵌入到弹力基材层中,然后将模具浸入5℃水中冷却2秒进行脱模,制得带倒钩结构的自粘弹力绷带;
D、最后将制得的自粘弹力绷带分切收卷制成筒形自粘绷带带卷。
作为优选,步骤A中的热轧工艺包括:先通过5kg·f/cm2压力的喷头喷丝到炭帘上,再通过150℃的天然气烘箱加热烘干,然后通过针板对混合料反复扎刺。
作为优选,弹力基材层的制备方法还包括:先将弹力氨纶丝和棉纱按弹性比为1∶2制成弹性纱线,再分别将弹性纱线和棉纱分别作为经纱和纬纱通过纺织机进行织造,制得弹力基材层。
作为优选,制得弹力基材层后,在弹力基材层一面喷上一层胶粘剂,将制备好的带倒钩的附着体层均匀洒到弹力基材层表面,然后经过定型、打卷、分切制成自粘弹力绷带产品。
作为优选,通过镶嵌方式将带倒钩的附着体层均匀附加到弹力基材层表面,然后经过定型、打卷、分切制成自粘弹力绷带产品。
本发明的自粘弹力绷带产品由于采用物理方法代替现有的化学溶剂型自粘弹力绷带,使用过程中可处于水中、野外、高温、低温、干燥、高湿以及其他较恶劣环境中,而不受使用环境的限制,更有利于产品的推广应用。
本发明由于采用了以上技术方案,具有显著的技术效果:采用附着体层上布设倒钩,通过将带倒钩的附着体层附加到弹力基材层的一面,倒钩对弹力基材层另一面的纤维层上的纤维起到抓紧与附着力,使用自粘弹力绷带时附着体层与弹力基材层紧紧贴合,倒钩产生附着力起到固定绷带整体的作用,大大增强了绷带的自粘附着力,提高了绷带包扎时的固定施压作用,实现了绷带自粘功能,且大大提高了绷带的工作效率,该绷带结构简单、使用方便且既经济又环保。
附图说明
图1为本发明自粘弹力绷带实施例的结构示意图。
附图中各数字标号所指代的部位名称如下:1-附着体层、2-弹力基材层、3-纤维层、4-倒钩。
具体实施方式
下面结合附图与实施例对本发明作进一步详细描述。
实施例1
一种自粘弹力绷带,如图1所示,包括自上而下依次紧贴的纤维层3、弹力基材层2、附着体层1,纤维层3、弹力基材层2、附着体层1形成三层结构的绷带体,附着体层1上设有均匀排列分布的倒钩4。
倒钩4的直径和高分别为0.2mm和0.5mm。
倒钩4外形为弧形倒刺状弯钩。
纤维层3的纤维错落排布在弹力基材层2表面,形成互相交错的松散网面。
弹力基材层2包括重量百分比分别为70%、20%、10%的聚丙烯、棉纱、粘胶。
附着体层包括重量百分比分别为60%、20%、20%的PP、PS、PA。
一种自粘弹力绷带的制备方法,包括如下制备步骤:
A、制备无纺布基材:先将重量百分比分别为70%、20%、10%的聚丙烯、棉纱、粘胶打碎并混合,再通过热轧工艺将混合料制成带纤维层3的无纺布基材;
B、制备弹力基材层2:再将弹性氨纶丝拉伸至原长的两倍缝制到两层无纺布基材的中间,每针之间缝制的间距为2mm,然后通过4-5kg·f/cm2压力的辊压复合制得弹力基材层2;
C、又将重量百分比分别为60%、20%、20%的PP、PS、PA的原材料通过200℃反应釜热熔混合制成附着体层混合料,再施加6-10kg·f/cm2压力通过带倒钩4结构的模具及模具注射工艺将附着体层混合料嵌入到弹力基材层2中,然后将模具浸入5℃水中冷却2秒进行脱模,制得带倒钩4结构的自粘弹力绷带;
D、最后将制得的自粘弹力绷带分切收卷制成筒形自粘绷带带卷。
步骤A中的热轧工艺包括:先通过5kg·f/cm2压力的喷头喷丝到炭帘上,再通过150℃的天然气烘箱加热烘干,然后通过针板对混合料反复扎刺。
弹力基材层2的制备方法还包括:先将弹力氨纶丝和棉纱按弹性比为1∶2制成弹性纱线,再分别将弹性纱线和棉纱分别作为经纱和纬纱通过纺织机进行织造,制得弹力基材层2。
总之,以上所述仅为本发明的较佳实施例,凡依本发明申请专利范围所作的均等变化与修饰,皆应属本发明专利的涵盖范围。

Claims (10)

1.一种自粘弹力绷带,包括自上而下依次紧贴的纤维层(3)、弹力基材层(2)、附着体层(1),纤维层(3)、弹力基材层(2)、附着体层(1)形成三层结构的绷带体,其特征在于:附着体层(1)上设有均匀排列分布的倒钩(4)。
2.根据权利要求1所述的一种自粘弹力绷带,其特征在于:倒钩(4)的直径和高分别为0.05-0.5mm和0.1-1mm。
3.根据权利要求1或2所述的一种自粘弹力绷带,其特征在于:倒钩(4)外形为弧形倒刺状弯钩。
4.根据权利要求1所述的一种自粘弹力绷带,其特征在于:纤维层(3)的纤维错落排布在弹力基材层(2)表面,形成互相交错的松散网面。
5.根据权利要求1所述的一种自粘弹力绷带,其特征在于:弹力基材层(2)为无纺布或棉纱或麻或毛或丝或氨纶或粘胶中的一种或以上几种的组合制成,其中:无纺布的原材料包括聚丙烯。
6.根据权利要求5所述的一种自粘弹力绷带,其特征在于:弹力基材层(2)包括重量百分比分别为60-80%、10-30%、1-15%的聚丙烯、棉纱、粘胶。
7.根据权利要求1所述的一种自粘弹力绷带,其特征在于:附着体层(1)为ABS或PP或PS或PA或PLA或木或竹或金属或改性树脂中的一种或以上几种的组合制成。
8.一种自粘弹力绷带的制备方法,其特征在于:包括如下制备步骤:
A、制备无纺布基材:先将重量百分比分别为70%、20%、10%的聚丙烯、棉纱、粘胶打碎并混合,再通过热轧工艺将混合料制成带纤维层(3)的无纺布基材;
B、制备弹力基材层(2):再将弹性氨纶丝拉伸至原长的两倍缝制到两层无纺布基材的中间,每针之间缝制的间距为2mm,然后通过4-5kg·f/cm2压力的辊压复合制得弹力基材层(2);
C、又将重量百分比分别为60%、20%、20%的PP、PS、PA的原材料通过200℃反应釜热熔混合制成附着体层混合料,再施加6-10kg·f/cm2压力通过带倒钩(4)结构的模具及模具注射工艺将附着体层混合料嵌入到弹力基材层(2)中,然后将模具浸入5℃水中冷却2秒进行脱模,制得带倒钩(4)结构的自粘弹力绷带;
D、最后将制得的自粘弹力绷带分切收卷制成筒形自粘绷带带卷。
9.根据权利要求8所述的一种自粘弹力绷带的制备方法,其特征在于:步骤A中的热轧工艺包括:先通过5kg·f/cm2压力的喷头喷丝到炭帘上,再通过150℃的天然气烘箱加热烘干,然后通过针板对混合料反复扎刺。
10.根据权利要求8所述的一种自粘弹力绷带的制备方法,其特征在于:弹力基材层(2)的制备方法还包括:先将弹力氨纶丝和棉纱按弹性比为1∶2制成弹性纱线,再分别将弹性纱线和棉纱分别作为经纱和纬纱通过纺织机进行织造,制得弹力基材层(2)。
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