CN106393832A - 一种机织拉丝气垫及其生产方法 - Google Patents

一种机织拉丝气垫及其生产方法 Download PDF

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CN106393832A
CN106393832A CN201610758085.9A CN201610758085A CN106393832A CN 106393832 A CN106393832 A CN 106393832A CN 201610758085 A CN201610758085 A CN 201610758085A CN 106393832 A CN106393832 A CN 106393832A
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CN106393832B (zh
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蒋生华
蒋秦峰
王建平
许群章
叶宝生
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ZHEJIANG HUASHENG WARP KNITTING NEW MATERIAL CO Ltd
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Abstract

本发明提供了一种机织拉丝气垫及其生产方法。本机织拉丝气垫,包括气垫本体,气垫本体由下而上顺次包括第一PVC膜、第一网格布、第一机织布、拉丝布、第二机织布、第二网格布和第二PVC膜;第一PVC膜与第一网格布之间采用粘接,第一网格布与第一机织布之间通过编织连接,第一机织布与拉丝布之间通过编织连接,拉丝布与第二机织布之间通过编织连接,第二机织布与第二网格布之间通过编织连接,第二网格布与第二PVC膜之间采用粘接;外周包覆有缓冲层,缓冲层内设置蜂窝孔,蜂窝孔的孔径由外侧向内侧逐渐增大,蜂窝孔的侧壁为弹性支撑壁,弹性支撑壁上开设贯通孔,贯通孔的孔径小于蜂窝孔的孔径。本发明提升受力的升稳定性与一致性。

Description

一种机织拉丝气垫及其生产方法
技术领域
本发明属于纺织技术领域,涉及一种气垫,特别是一种机织拉丝气垫及其生产方法。
背景技术
气垫是一种可以注入空气的垫子,它具有使用灵活、占用体积小、携带方便、承载力量大等特点,并且具有缓冲功能及冲击吸收作用,它通过加大表面所受冲击的分散作用,使冲击动能最小化,并使可压缩面积最大化,由此获得最大的冲击吸收效果,性能优良的气垫还具有良好的回弹性能,当冲击或压力消失时,在空气和气垫本身性能的作用下它可以完全返回至冲击点,从而形成产生良好的回弹作用。
气垫可用于医学、船舶、户外设备以及体育竞技等方面,并且取得了不错的效果。气垫材料在医学上使用主要体现在气垫床上,它主要运用于皮肤科、截瘫病人、骨科病人等;使用气垫床的患者多为病情严重、翻身困难者;使用气垫床,可以交换更替人体的受压迫部位,减少病人翻身频率,使之得到充分休息,同时也减轻了护士的劳动强度,应用气垫床预防褥疮,操作简单,效果显著,值得推广。气垫运用到船舶,即气垫船,它利用船舶和水面/地面之间产生的空气压力即气垫来支承其重量,使之部分或全部脱离地面,从而减少阻力,实现高速航行;气垫船与常规排水型船舶相比,它具有航速快、稳定性好、使用灵活、负载较大等优点。气垫也用于运动鞋上,其优点在于减震保护、耐用持久、弯曲性好、轻便灵活,当气垫受到外部冲击时,它会迅速提供缓冲作用,并使脚能柔软着地,而它本身则会迅速恢复原来的形状。气垫材料也可用于技击性运动护具材料,相对各类海绵材料而言,气垫由于里面装填的是空气,不管气垫的体积增加多少,其重量几乎不会因此而增加,因此,为了提高抗击效果,可以大大增加气垫的厚度。另外,由于气垫材料弹力强、减震、能够承受更大的压力,且能迅速恢复原来的形状,还可用于气垫玩具、冲浪板以及救生气垫作紧急逃生之用。
现有的拉丝气垫存在功能性单一,尤其在气流或水流中存在稳定性差的问题。
发明内容
本发明的目的是针对现有的技术存在上述问题,提出了一种通过多层复合以增强气垫的作用功能,尤其增加外包的缓冲结构,以利用蜂窝孔对于杂乱受力进行吸收排泄,以提升稳定性的机织拉丝气垫及其生产方法。
本发明的目的可通过下列技术方案来实现:一种机织拉丝气垫,包括气垫本体,所述气垫本体由下而上顺次包括第一PVC膜、第一网格布、第一机织布、拉丝布、第二机织布、第二网格布和第二PVC膜;所述第一PVC膜与第一网格布之间采用粘接,所述第一网格布与第一机织布之间通过编织连接,所述第一机织布与拉丝布之间通过编织连接,所述拉丝布与第二机织布之间通过编织连接,所述第二机织布与第二网格布之间通过编织连接,所述第二网格布与第二PVC膜之间采用粘接;所述第一PVC膜、第一网格布、第一机织布、拉丝布、第二机织布、第二网格布和第二PVC膜的外周包覆有缓冲层,所述缓冲层内设置蜂窝孔,所述蜂窝孔的孔径由外侧向内侧逐渐增大,所述蜂窝孔的侧壁为弹性支撑壁,所述弹性支撑壁上开设贯通孔,所述贯通孔的孔径小于所述蜂窝孔的孔径,所述缓冲层与第一PVC膜、第一网格布、第一机织布、拉丝布、第二机织布、第二网格布和第二PVC膜之间采用粘接。
本机织拉丝气垫中,通过最外层的缓冲层实现对杂向受力的吸收和排流作用。气流或水流首先由小径的蜂窝孔进入缓冲层内,由此其内部的大空间将气流或水流的瞬时冲击力部分缓冲吸收,再而涌入缓冲层内部的气流或水流,通过侧壁上的贯通孔形成互通,以使得缓冲层内部形成均匀的气膜或水膜,以增强布面整体的受力平衡性与一致性,当气流或水流消失后,缓冲层内的气膜或水膜渐渐排出以减轻气垫的重量。
在上述的机织拉丝气垫中,所述贯通孔的周边设置弹性收缩圈,所述贯通孔周边通过弹性纤维将所述弹性收缩圈包覆,所述弹性收缩圈为弹性纤维线圈。通过在贯通孔上设置弹性收缩圈可弹性控制贯通孔的张口大小,在蜂窝孔中压力偏小的时候,贯通孔直径缩小以调节泄压的程度减小;在蜂窝孔中压力偏大的时候,贯通孔直径被扩大以调节泄压的程度增大。由此灵活实现自感可调式泄压,以对应程度消除分支乱流,避免杂乱受力造成不稳定因素。
在上述的机织拉丝气垫中,所述缓冲层的厚度为30mm~50mm。
在上述的机织拉丝气垫中,所述拉丝布的表面贴覆有抗老化PVC膜。
在上述的机织拉丝气垫中,所述拉丝布的高度为15cm~30cm。
机织拉丝气垫的生产方法,包括以下步骤:
1)、以涤纶丝作为底纱和拉丝的原料,经整经、经编机织造、卷取后制得拉丝布;
2)、PVC配料经高速搅拌、密炼、精炼后进行四辊压延后,经牵引、压花、冷却后再经切边、卷取后制得抗老化PVC膜;
3)、以拉丝布为骨架材料,经上浆轮辊轮涂胶水、烘干预定型处理后,在骨架材料两侧热熔贴合抗老化PVC膜,再经压花、冷却、定型、切边;
4)、将复合后的拉丝布分别与第一机织布、第二机织布通过编织连接成一体;
5)、第一机织布的外侧与第一网格布通过编织连接成一体;第二机织布的外侧与第二网格布通过编织连接成一体;
6)、采用PVC原料分别经高速搅拌、密炼、精炼后进行四辊压延,再经牵引、压花、冷却后经切边、卷取后制得第一PVC膜和第二PVC膜;
7)、第一网格布或第二网格布的外侧经上浆轮辊轮涂胶水后,经烘干预定型处理,然后通过热熔贴合第一PVC膜或第二PVC膜;
8)、在第一PVC膜、第一网格布、第一机织布、拉丝布、第二机织布、第二网格布和第二PVC膜的外周经上浆轮辊轮涂胶水后,经烘干预定型处理,然后通过热熔贴合缓冲层,并使缓冲层内的大径蜂窝孔朝向内侧,小径蜂窝孔朝向外侧。
在上述的生产方法中,在步骤7)中,上浆轮辊轮涂胶水时,第一网格布或第二网格布沿其纵向水平移动,烘干预定型时,第一网格布或第二网格布沿其纵向竖直向上移动。
在上述的生产方法中,拉丝布、第一网格布、第二网格布均由涤纶丝为原料制得,组成拉丝布的涤纶丝的规格为420~450D,组成第一网格布或第二网格布的涤纶丝的规格为500~540D。
在上述的生产方法中,第一PVC膜或第二PVC膜的原料为:聚合度1300的PVC树脂100重量份、天然橡胶12~18重量份、环己烷二羧酸壬酯26~35重量份、钙锌热稳定剂3~6重量份、色料1.5~2.5重量份。
在上述的生产方法中,在步骤7)中,热熔贴合时,第一PVC膜与第一网格布贴合温度为180℃~200℃,第二PVC膜与第二网格布贴合温度为180℃~200℃,贴合压力为420~450N,贴合速度为3~5m/min;在步骤8)中,热熔贴合时,缓冲层的贴合温度为180℃~200℃,贴合压力为420~450N,贴合速度为3~5m/min。
与现有技术相比,本机织拉丝气垫及其生产方法通过多层复合以增强气垫的作用功能,尤其在外侧增设缓冲层,以利用蜂窝孔对于杂乱受力进行吸收排泄,以提升受力的升稳定性与一致性,特别适用于充气船、冲锋舟、漂流船等。本发明通过改进了工艺条件及结构,使制备得到的气垫不仅具有很好的机械强度、缓冲功能及冲击吸收作用,而且还具有优异的物理强度、弹性、抗老化性、环保性、使用寿命长等特点。
附图说明
图1是本机织拉丝气垫的结构示意图。
图中,1、第一PVC膜;2、第一网格布;3、第一机织布;4、拉丝布;5、第二机织布;6、第二网格布;7、第二PVC膜;8、缓冲层。
具体实施方式
以下是本发明的具体实施例并结合附图,对本发明的技术方案作进一步的描述,但本发明并不限于这些实施例。
如图1所示,本机织拉丝气垫,包括气垫本体,气垫本体由下而上顺次包括第一PVC膜1、第一网格布2、第一机织布3、拉丝布4、第二机织布5、第二网格布6和第二PVC膜7;第一PVC膜1与第一网格布2之间采用粘接,第一网格布2与第一机织布3之间通过编织连接,第一机织布3与拉丝布4之间通过编织连接,拉丝布4与第二机织布5之间通过编织连接,第二机织布5与第二网格布6之间通过编织连接,第二网格布6与第二PVC膜7之间采用粘接;第一PVC膜1、第一网格布2、第一机织布3、拉丝布4、第二机织布5、第二网格布6和第二PVC膜7的外周包覆有缓冲层8,缓冲层8内设置蜂窝孔,蜂窝孔的孔径由外侧向内侧逐渐增大,蜂窝孔的侧壁为弹性支撑壁,弹性支撑壁上开设贯通孔,贯通孔的孔径小于蜂窝孔的孔径,缓冲层8与第一PVC膜1、第一网格布2、第一机织布3、拉丝布4、第二机织布5、第二网格布6和第二PVC膜7之间采用粘接。
本机织拉丝气垫中,通过最外层的缓冲层8实现对杂向受力的吸收和排流作用。气流或水流首先由小径的蜂窝孔进入缓冲层8内,由此其内部的大空间将气流或水流的瞬时冲击力部分缓冲吸收,再而涌入缓冲层8内部的气流或水流,通过侧壁上的贯通孔形成互通,以使得缓冲层8内部形成均匀的气膜或水膜,以增强布面整体的受力平衡性与一致性,当气流或水流消失后,缓冲层8内的气膜或水膜渐渐排出以减轻气垫的重量。
贯通孔的周边设置弹性收缩圈,贯通孔周边通过弹性纤维将弹性收缩圈包覆,弹性收缩圈为弹性纤维线圈。通过在贯通孔上设置弹性收缩圈可弹性控制贯通孔的张口大小,在蜂窝孔中压力偏小的时候,贯通孔直径缩小以调节泄压的程度减小;在蜂窝孔中压力偏大的时候,贯通孔直径被扩大以调节泄压的程度增大。由此灵活实现自感可调式泄压,以对应程度消除分支乱流,避免杂乱受力造成不稳定因素。
缓冲层8的厚度为30mm~50mm。
拉丝布4的表面贴覆有抗老化PVC膜。
拉丝布4的高度为15cm~30cm。
机织拉丝气垫的生产方法,包括以下步骤:
1)、以涤纶丝作为底纱和拉丝的原料,经整经、经编机织造、卷取后制得拉丝布4;
2)、PVC配料经高速搅拌、密炼、精炼后进行四辊压延后,经牵引、压花、冷却后再经切边、卷取后制得抗老化PVC膜;
3)、以拉丝布4为骨架材料,经上浆轮辊轮涂胶水、烘干预定型处理后,在骨架材料两侧热熔贴合抗老化PVC膜,再经压花、冷却、定型、切边;
4)、将复合后的拉丝布4分别与第一机织布3、第二机织布5通过编织连接成一体;
5)、第一机织布3的外侧与第一网格布2通过编织连接成一体;第二机织布5的外侧与第二网格布6通过编织连接成一体;
6)、采用PVC原料分别经高速搅拌、密炼、精炼后进行四辊压延,再经牵引、压花、冷却后经切边、卷取后制得第一PVC膜1和第二PVC膜7;
7)、第一网格布2或第二网格布6的外侧经上浆轮辊轮涂胶水后,经烘干预定型处理,然后通过热熔贴合第一PVC膜1或第二PVC膜7;
8)、在第一PVC膜1、第一网格布2、第一机织布3、拉丝布4、第二机织布5、第二网格布6和第二PVC膜7的外周经上浆轮辊轮涂胶水后,经烘干预定型处理,然后通过热熔贴合缓冲层8,并使缓冲层8内的大径蜂窝孔朝向内侧,小径蜂窝孔朝向外侧。
在步骤7)中,上浆轮辊轮涂胶水时,第一网格布2或第二网格布6沿其纵向水平移动,烘干预定型时,第一网格布2或第二网格布6沿其纵向竖直向上移动。
拉丝布4、第一网格布2、第二网格布6均由涤纶丝为原料制得,组成拉丝布4的涤纶丝的规格为420~450D,组成第一网格布2或第二网格布6的涤纶丝的规格为500~540D。
第一PVC膜1或第二PVC膜7的原料为:聚合度1300的PVC树脂100重量份、天然橡胶12~18重量份、环己烷二羧酸壬酯26~35重量份、钙锌热稳定剂3~6重量份、色料1.5~2.5重量份。
在步骤7)中,热熔贴合时,第一PVC膜1与第一网格布2贴合温度为180℃~200℃,第二PVC膜7与第二网格布6贴合温度为180℃~200℃,贴合压力为420~450N,贴合速度为3~5m/min;在步骤8)中,热熔贴合时,缓冲层8的贴合温度为180℃~200℃,贴合压力为420~450N,贴合速度为3~5m/min。
本机织拉丝气垫及其生产方法通过多层复合以增强气垫的作用功能,尤其在外侧增设缓冲层8,以利用蜂窝孔对于杂乱受力进行吸收排泄,以提升受力的升稳定性与一致性,特别适用于充气船、冲锋舟、漂流船等。本发明通过改进了工艺条件及结构,使制备得到的气垫不仅具有很好的机械强度、缓冲功能及冲击吸收作用,而且还具有优异的物理强度、弹性、抗老化性、环保性、使用寿命长等特点。
本文中所描述的具体实施例仅仅是对本发明精神作举例说明。本发明所属技术领域的技术人员可以对所描述的具体实施例做各种各样的修改或补充或采用类似的方式替代,但并不会偏离本发明的精神或者超越所附权利要求书所定义的范围。
尽管本文较多地使用了第一PVC膜1;第一网格布2;第一机织布3;拉丝布4;第二机织布5;第二网格布6;第二PVC膜7;缓冲层8等术语,但并不排除使用其它术语的可能性。使用这些术语仅仅是为了更方便地描述和解释本发明的本质;把它们解释成任何一种附加的限制都是与本发明精神相违背的。

Claims (10)

1.一种机织拉丝气垫,包括气垫本体,其特征在于,所述气垫本体由下而上顺次包括第一PVC膜、第一网格布、第一机织布、拉丝布、第二机织布、第二网格布和第二PVC膜;所述第一PVC膜与第一网格布之间采用粘接,所述第一网格布与第一机织布之间通过编织连接,所述第一机织布与拉丝布之间通过编织连接,所述拉丝布与第二机织布之间通过编织连接,所述第二机织布与第二网格布之间通过编织连接,所述第二网格布与第二PVC膜之间采用粘接;所述第一PVC膜、第一网格布、第一机织布、拉丝布、第二机织布、第二网格布和第二PVC膜的外周包覆有缓冲层,所述缓冲层内设置蜂窝孔,所述蜂窝孔的孔径由外侧向内侧逐渐增大,所述蜂窝孔的侧壁为弹性支撑壁,所述弹性支撑壁上开设贯通孔,所述贯通孔的孔径小于所述蜂窝孔的孔径,所述缓冲层与第一PVC膜、第一网格布、第一机织布、拉丝布、第二机织布、第二网格布和第二PVC膜之间采用粘接。
2.根据权利要求1所述的机织拉丝气垫,其特征在于,所述贯通孔的周边设置弹性收缩圈,所述贯通孔周边通过弹性纤维将所述弹性收缩圈包覆,所述弹性收缩圈为弹性纤维线圈。
3.根据权利要求1所述的机织拉丝气垫,其特征在于,所述缓冲层的厚度为30mm~50mm。
4.根据权利要求1所述的机织拉丝气垫,其特征在于,所述拉丝布的表面贴覆有抗老化PVC膜。
5.根据权利要求1所述的机织拉丝气垫,其特征在于,所述拉丝布的高度为15cm~30cm。
6.根据权利要求1所述机织拉丝气垫的生产方法,其特征在于,包括以下步骤:
1)、以涤纶丝作为底纱和拉丝的原料,经整经、经编机织造、卷取后制得拉丝布;
2)、PVC配料经高速搅拌、密炼、精炼后进行四辊压延后,经牵引、压花、冷却后再经切边、卷取后制得抗老化PVC膜;
3)、以拉丝布为骨架材料,经上浆轮辊轮涂胶水、烘干预定型处理后,在骨架材料两侧热熔贴合抗老化PVC膜,再经压花、冷却、定型、切边;
4)、将复合后的拉丝布分别与第一机织布、第二机织布通过编织连接成一体;
5)、第一机织布的外侧与第一网格布通过编织连接成一体;第二机织布的外侧与第二网格布通过编织连接成一体;
6)、采用PVC原料分别经高速搅拌、密炼、精炼后进行四辊压延,再经牵引、压花、冷却后经切边、卷取后制得第一PVC膜和第二PVC膜;
7)、第一网格布或第二网格布的外侧经上浆轮辊轮涂胶水后,经烘干预定型处理,然后通过热熔贴合第一PVC膜或第二PVC膜;
8)、在第一PVC膜、第一网格布、第一机织布、拉丝布、第二机织布、第二网格布和第二PVC膜的外周经上浆轮辊轮涂胶水后,经烘干预定型处理,然后通过热熔贴合缓冲层,并使缓冲层内的大径蜂窝孔朝向内侧,小径蜂窝孔朝向外侧。
7.根据权利要求6所述的生产方法,其特征在于,在步骤7)中,上浆轮辊轮涂胶水时,第一网格布或第二网格布沿其纵向水平移动,烘干预定型时,第一网格布或第二网格布沿其纵向竖直向上移动。
8.根据权利要求6所述的生产方法,其特征在于,拉丝布、第一网格布、第二网格布均由涤纶丝为原料制得,组成拉丝布的涤纶丝的规格为420~450D,组成第一网格布或第二网格布的涤纶丝的规格为500~540D。
9.根据权利要求6所述的生产方法,其特征在于,第一PVC膜或第二PVC膜的原料为:聚合度1300的PVC树脂100重量份、天然橡胶12~18重量份、环己烷二羧酸壬酯26~35重量份、钙锌热稳定剂3~6重量份、色料1.5~2.5重量份。
10.根据权利要求6所述的生产方法,其特征在于,在步骤7)中,热熔贴合时,第一PVC膜与第一网格布贴合温度为180℃~200℃,第二PVC膜与第二网格布贴合温度为180℃~200℃,贴合压力为420~450N,贴合速度为3~5m/min;在步骤8)中,热熔贴合时,缓冲层的贴合温度为180℃~200℃,贴合压力为420~450N,贴合速度为3~5m/min。
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