CN112009051A - 一种tpu加强拉丝气垫及其生产工艺 - Google Patents
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Abstract
本发明公开了一种TPU加强拉丝气垫及其生产工艺，包括上网格布、下网格布、聚乙烯纤维拉丝层；聚乙烯纤维拉丝层由若干个呈X型的拉丝单元组成，上网格布的上端依次涂覆有上TPU涂层、上PVC涂层，下网格布的下端依次涂覆有下TPU涂层、下PVC涂层。本工艺为：制备空间布、制备PVC连接条、刮涂TPU涂层、刮涂PVC涂层、PVC连接条与空间布粘贴；本发明添加了一层TPU涂层，使得拉丝气垫压力承载能力和结构稳定性较都有所提高，极大的提高了产品的耐磨性和抗衰老性；且本工艺操作简单，不但提高了生产效率，且降低了生产成本；同时，涂层厚度减小，减小了拉丝气垫的重量，更方便使用者携带。
Description
技术领域
本发明涉及一种拉丝气垫及工艺，尤其涉及一种TPU加强拉丝气垫及其生产工艺。
背景技术
拉丝气垫由于具有使用灵活、占用体积小、携带方便、承载力量大等特点，近年来被广泛应用于各行各行，特别是在体育、医学、户外设备、运动设备行业中随处可见。目前，市面上传统的拉丝气垫存在着如下缺陷，1)传统的拉丝气垫的产品构较为疏松，抗老化性能差，热封性能较差，从而影响了气垫的使用寿命；2)传统拉丝气垫耐磨性较差；3)传统的拉丝气垫压力承载能力和结构稳定性较差；4)传统的拉丝气垫的表面涂层处理方法十分复杂，生产成本较高，极大的增加了拉丝气垫的重量，不利于使用者携带。
发明内容
为了解决上述技术所存在的不足之处，本发明提供了一种TPU加强拉丝气垫及其生产工艺。
为了解决以上技术问题，本发明采用的技术方案是：一种TPU加强拉丝气垫，包括上网格布、下网格布，它还包括位于上网格布和下网格布之间的聚乙烯纤维拉丝层，上网格布、下网格布通过聚乙烯纤维拉丝层相连接；
聚乙烯纤维拉丝层由若干个呈X型的拉丝单元组成，若干个拉丝单元纵横排列，且相邻的拉丝单元在上端、下端处连接；上网格布的上端涂覆有上TPU涂层，上TUP涂层的上端涂覆有上PVC涂层，下网格布的下端涂覆有下TPU涂层，下TPU涂层的下端涂覆有下PVC涂层。
进一步地，上网格布、下网格布及聚乙烯纤维拉丝层共同组成空间布，空间布的侧边粘贴有PVC连接条。
进一步地，上网格布、下网格布均由经线和纬线交织而成并形成四边形的网格，拉丝单元的顶端连接在上网格布的四边形顶点处，拉丝单元的底端连接在下网格布的四边形顶点处。
一种TPU加强拉丝气垫的生产工艺，包括以下步骤：
步骤一、预先准备好涤纶丝、聚乙烯纤维丝，采用三维编织技术，首先利用涤纶丝编织出上网格布、下网格布，再利用聚乙烯纤维丝在上、下网格布的四边形顶点处相互连接，形成呈X型的拉丝单元，若干个拉丝单元纵横排列在上、下网格布之间，形成聚乙烯纤维拉丝层；
步骤二、制备PVC连接条：所需原料为100重量份的PVC树脂、15重量份的天然橡胶、30重量份的环己烷二羧酸壬酯、4重量份钙锌热稳定剂、2重量份的色料；将上述原料经高速搅拌、密炼、精炼后进行辊压延，再经牵引、压花、冷却处理，然后经切边、卷取制得相应的PVC连接条；在此过程中，高速搅拌时温度控制在160℃，密炼温度控制在170℃，上顶栓压力控制在0.9Mpa；
步骤三、刮涂TPU涂层：利用刮涂装置，将TPU母点加热到60℃融化为TPU液，在上网格布的上端刮涂上TPU涂层，在网格布的下端刮涂下TPU涂层；
步骤四、刮涂PVC涂层：待上TPU涂层、下TPU涂层干后，再在上TPU涂层的上端刮涂上PVC涂层，在下TPU涂层的下端刮涂下PVC涂层，进一步确保涂层的刮涂效果；
步骤五、PVC连接条的粘合：在步骤一所获的空间布的两侧分别经上浆轮辊轮涂胶水，经烘干预定型处理，然后在空间布的两侧分别热熔贴合步骤二制得的PVC连接条，再经压花、冷却、定型、切边处理；辊轮涂胶水时，骨架材料沿其纵向水平移动，烘干预定型时，骨架材料沿其纵向竖直向上移动；烘干预定型温度控制在150℃；热熔贴合时，PVC膜与网格布贴合温度为210℃，贴合压力为620N，贴合速度为6m/min。
进一步地，上TPU涂层、下TPU涂层的刮涂厚度为0.2～0.3mm，上PVC涂层、下PVC涂层的刮涂厚度为0.4～0.5mm。
本发明公开了一种TPU加强拉丝气垫及其生产工艺，该TPU加强拉丝气垫在PVC涂层的中间添加了一层TPU涂层，使得拉丝气垫压力承载能力和结构稳定性较都有所提高，对比传统的拉丝气垫极大的提高了产品的耐磨性和抗衰老性；本工艺操作简单，相比于传统的复杂的表面涂层处理方法，不但提高了生产效率，且降低了生产成本；同时，涂层厚度减小，减小了拉丝气垫的重量，更方便使用者携带。
附图说明
图1为本发明上网格布或下网格布的结构示意图。
图2为本发明空间布的结构示意视图。
图3为本发明整体结构的侧视图。
图4为本发明TPU母点加热为TPU液的过程示意图。
图中：1、上网格布；2、聚乙烯纤维拉丝层；3、下网格布；4、上TPU涂层；5、上PVC涂层；6、下TPU涂层；7、下PVC涂层。
具体实施方式
下面结合附图和具体实施方式对本发明作进一步详细的说明。
如图3所示的一种TPU加强拉丝气垫，包括上网格布1、下网格布3，它还包括位于上网格布1和下网格布3之间的聚乙烯纤维拉丝层2，上网格布1、下网格布3通过聚乙烯纤维拉丝层2相连接；
由上网格布1、下网格布3以及聚乙烯纤维层2共同组成图2所示的空间布，其中，采用聚乙烯纤维作为中间的拉丝层，充分利用聚乙烯纤维强度高，密度低，绝缘性佳等优点，大大提升了拉丝气垫的性能；对于中间的聚乙烯纤维拉丝层2，其由若干个呈X型的拉丝单元组成，若干个拉丝单元纵横排列，且相邻的拉丝单元在上端、下端处连接；具体的有：如图1所示，上网格布1、下网格布3均由经线和纬线交织而成并形成四边形的网格，由拉丝单元的顶端连接在上网格布1的四边形顶点处，拉丝单元的底端连接在下网格布3的四边形顶点处，从而，通过聚乙烯纤维将上网格布、下网格布连接起来。
为进一步提高最终得到的拉丝气垫的结构强度和耐磨性，在PVC涂层内，涂覆有TPU涂层，TPU涂层采用图4所示的TPU母点加热获得的TPU液进行涂覆，具体有：如图3所示，在上网格布1的上端涂覆有上TPU涂层4，下TPU涂层6的下端涂覆有下PVC涂层7。涂覆好TPU涂层后，再在上TUP涂层4的上端涂覆有上PVC涂层5，下网格布1的下端涂覆有下TPU涂层6。
此外，上网格布1、下网格布3及聚乙烯纤维拉丝层2所共同组成的空间布的侧边还粘贴有PVC连接条，由PVC连接条在侧边进行包边。
本发明还公开了一种TPU加强拉丝气垫的生产工艺，包括以下步骤：
步骤一、预先准备好涤纶丝、聚乙烯纤维丝，采用三维编织技术，首先利用涤纶丝编织出上网格布1、下网格布3，再利用聚乙烯纤维丝在上、下网格布的四边形顶点处相互连接，形成呈X型的拉丝单元，若干个拉丝单元纵横排列在上、下网格布之间，形成聚乙烯纤维拉丝层2；
步骤二、制备PVC连接条：所需原料为100重量份的PVC树脂、15重量份的天然橡胶、30重量份的环己烷二羧酸壬酯、4重量份钙锌热稳定剂、2重量份的色料；将上述原料经高速搅拌、密炼、精炼后进行辊压延，再经牵引、压花、冷却处理，然后经切边、卷取制得相应的PVC连接条；在此过程中，高速搅拌时温度控制在160℃，密炼温度控制在170℃，上顶栓压力控制在0.9Mpa；
步骤三、刮涂TPU涂层：利用刮涂装置，将TPU母点加热到60℃融化为TPU液，在上网格布1的上端刮涂上TPU涂层4，在网格布3的下端刮涂下TPU涂层6；
步骤四、刮涂PVC涂层：待上TPU涂层4、下TPU涂层6干后，再在上TPU涂层4的上端刮涂上PVC涂层5，在下TPU涂层6的下端刮涂下PVC涂层7，进一步确保涂层的刮涂效果；
步骤五、PVC连接条的粘合：在步骤一所获的空间布的两侧分别经上浆轮辊轮涂胶水，经烘干预定型处理，然后在空间布的两侧分别热熔贴合步骤二制得的PVC连接条，再经压花、冷却、定型、切边处理；辊轮涂胶水时，骨架材料沿其纵向水平移动，烘干预定型时，骨架材料沿其纵向竖直向上移动；烘干预定型温度控制在150℃；热熔贴合时，PVC膜与网格布贴合温度为210℃，贴合压力为620N，贴合速度为6m/min。
其中，上TPU涂层4、下TPU涂层6的刮涂厚度为0.2～0.3mm，上PVC涂层5、下PVC涂层7的刮涂厚度为0.4～0.5mm。
本发明所公开的TPU加强拉丝气垫及其生产方法，拉丝气垫上的TPU涂层，极大的提高了产品的耐磨性和抗衰老性；同时优化了生产工艺，提高了生产效率，并且在保证了质量的前提下，还大大降低了产品的重量，更便于使用者携带。
上述实施方式并非是对本发明的限制，本发明也并不仅限于上述举例，本技术领域的技术人员在本发明的技术方案范围内所做出的变化、改型、添加或替换，也均属于本发明的保护范围。
Claims (5)
1.一种TPU加强拉丝气垫，包括上网格布(1)、下网格布(3)，其特征在于：它还包括位于上网格布(1)和下网格布(3)之间的聚乙烯纤维拉丝层(2)，上网格布(1)、下网格布(3)通过聚乙烯纤维拉丝层(2)相连接；
所述聚乙烯纤维拉丝层(2)由若干个呈X型的拉丝单元组成，若干个拉丝单元纵横排列，且相邻的拉丝单元在上端、下端处连接；所述上网格布(1)的上端涂覆有上TPU涂层(4)，上TUP涂层(4)的上端涂覆有上PVC涂层(5)，所述下网格布(1)的下端涂覆有下TPU涂层(6)，下TPU涂层(6)的下端涂覆有下PVC涂层(7)。
2.根据权利要求1所述的TPU加强拉丝气垫，其特征在于：所述上网格布(1)、下网格布(3)及聚乙烯纤维拉丝层(2)共同组成空间布，空间布的侧边粘贴有PVC连接条。
3.根据权利要求2所述的TPU加强拉丝气垫，其特征在于：所述上网格布(1)、下网格布(3)均由经线和纬线交织而成并形成四边形的网格，拉丝单元的顶端连接在上网格布(1)的四边形顶点处，拉丝单元的底端连接在下网格布(3)的四边形顶点处。
4.一种如权利要求3所述的TPU加强拉丝气垫的生产工艺，其特征在于：所述生产工艺包括以下步骤：
步骤一、预先准备好涤纶丝、聚乙烯纤维丝，采用三维编织技术，首先利用涤纶丝编织出上网格布(1)、下网格布(3)，再利用聚乙烯纤维丝在上、下网格布的四边形顶点处相互连接，形成呈X型的拉丝单元，若干个拉丝单元纵横排列在上、下网格布之间，形成聚乙烯纤维拉丝层(2)；
步骤二、制备PVC连接条：所需原料为100重量份的PVC树脂、15重量份的天然橡胶、30重量份的环己烷二羧酸壬酯、4重量份钙锌热稳定剂、2重量份的色料；将上述原料经高速搅拌、密炼、精炼后进行辊压延，再经牵引、压花、冷却处理，然后经切边、卷取制得相应的PVC连接条；在此过程中，高速搅拌时温度控制在160℃，密炼温度控制在170℃，上顶栓压力控制在0.9Mpa；
步骤三、刮涂TPU涂层：利用刮涂装置，将TPU母点加热到60℃融化为TPU液，在上网格布(1)的上端刮涂上TPU涂层(4)，在网格布(3)的下端刮涂下TPU涂层(6)；
步骤四、刮涂PVC涂层：待上TPU涂层(4)、下TPU涂层(6)干后，再在上TPU涂层(4)的上端刮涂上PVC涂层(5)，在下TPU涂层(6)的下端刮涂下PVC涂层(7)，进一步确保涂层的刮涂效果；
步骤五、PVC连接条的粘合：在步骤一所获的空间布的两侧分别经上浆轮辊轮涂胶水，经烘干预定型处理，然后在空间布的两侧分别热熔贴合步骤二制得的PVC连接条，再经压花、冷却、定型、切边处理；辊轮涂胶水时，骨架材料沿其纵向水平移动，烘干预定型时，骨架材料沿其纵向竖直向上移动；烘干预定型温度控制在150℃；热熔贴合时，PVC膜与网格布贴合温度为210℃，贴合压力为620N，贴合速度为6m/min。
5.根据权利要求4所述的TPU加强拉丝气垫的生产工艺，其特征在于：所述上TPU涂层(4)、下TPU涂层(6)的刮涂厚度为0.2～0.3mm，上PVC涂层(5)、下PVC涂层(7)的刮涂厚度为0.4～0.5mm。
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