CN116163053A - 防护型三维结构止血纺织间隔织物的制备方法 - Google Patents

防护型三维结构止血纺织间隔织物的制备方法 Download PDF

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CN116163053A
CN116163053A CN202310139236.2A CN202310139236A CN116163053A CN 116163053 A CN116163053 A CN 116163053A CN 202310139236 A CN202310139236 A CN 202310139236A CN 116163053 A CN116163053 A CN 116163053A
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马丕波
张诗瑶
赵俊竹
蒋高明
陈超余
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Jiangnan University
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Abstract

本申请关于一种防护型三维结构止血纺织间隔织物的制备方法,涉及针织医用敷料领域。本申请中间隔敷料以羧甲基改性粘胶长丝‑PTFE编织纱做皮肤接触原料,通过物理、化学和生物三种方式快速止血,物理原理吸收血液形成凝胶状堵塞伤口,化学作用浓缩血液浓度启动凝血系统,生物作用释放负离子激活凝血因子,启动内源性凝血系统,羧甲基纤维素钠可以由纤维经过羧甲基化改性而成,PTFE起结构支撑作用;以高吸水同时具备弹性回复的Coolmax‑锦纶单丝包缠纱做间隔丝;以超疏水的超高分子量聚乙烯纤维做外表面原料,表面结构紧密起屏障作用;进而设计出了一种防护型三维结构止血纺织间隔织物的制备方法。

Description

防护型三维结构止血纺织间隔织物的制备方法
技术领域
本申请涉及针织医用敷料技术领域,特别涉及一种防护型三维结构止血纺织间隔织物的制备方法。
背景技术
皮肤是人体内外环境之间的屏障,对于维持机体正常生理功能具有重要意义,然而皮肤出现大面积损伤后一般难以自愈合,所以皮肤敷料的出现至关重要,它可以加速伤口愈合。皮肤敷料分为传统型、生物型、合成型、复合型四类,传统型皮肤敷料主要以棉织品为主,但是不容易去除;生物型皮肤敷料可分为蛋白类、多糖类等,具有良好的生物相容性;合成型皮肤敷料是利用化学或物理方法合成的高分子材料,制作容易;复合型皮肤敷料包括复合物和复合膜,有很好的防护作用。
然而,复合型敷料以外表面屏障、里面生物相容为特点促进创面修复。多以硅橡胶、聚氨酯、聚乙烯醇等合成薄膜,起到屏障保护的作用,以生物型敷料做皮肤接触面。而在纺织领域间隔织物也可以实现复合型敷料,此类间隔敷料主要通过大量吸收血液达到物理和化学止血,以高吸水棉、粘胶和天丝做间隔丝,疏水性纱编织两表面,但是纤维素潮湿状态滋生细菌,需要抗菌处理,并且制备的间隔织物因为间隔丝柔软所以没有良好的力学性能。
发明内容
本申请的目的是提供一种防护型三维结构止血纺织间隔织物的制备方法,以解决上述现有技术存在的问题。
为实现上述目的,本申请采用的技术方案为:
一种防护型三维结构止血纺织间隔织物的制备方法,包括:
S1、以粘胶长丝作为皮纱,以PTFE缝纫线作为芯纱,在高速编织机上进行编织,所述皮纱安装在锭子上旋转编织,所述芯纱直接喂入,调整皮纱的编织节距后,编织得到粘胶长丝-PTFE编织纱;
S2、对所述粘胶长丝-PTFE编织纱依次进行碱化、醚化、酸化以及烘干,得到改性后粘胶长丝-PTFE编织纱;
S3、以Coolmax作为皮纱,以锦纶单丝作为芯纱,在高速编织机上进行包缠,所述皮纱安装在锭子上旋转包缠,所述芯纱直接喂入,调整皮纱的编织节距后,编织得到Coolmax-锦纶单丝包缠纱;
S4、以所述改性后粘胶长丝-PTFE编织纱作为里表纱,以所述Coolmax-锦纶单丝包缠纱作为间隔丝,以超高分子量聚乙烯作为外表纱,在横编机上进行编织,调整间隔丝的跨越针数后,编织得到防护型三维结构止血纺织间隔织物。
在一种可能的实现方式中,所述步骤S1中:
所述粘胶长丝的规格为75D-600D,所述皮纱的锭子数量为4个或8个或16个,所述皮纱在所述粘胶长丝-PTFE编织纱中的质量占比为10%-90%;
所述皮纱的锭子数量为偶数个,其中一半锭子顺时针旋转,另一半锭子逆时针旋转,所述皮纱的锭子形成对称编织;
所述PTFE缝纫线的规格为200D-800D,所述芯纱根数为1-4根。
在一种可能的实现方式中,所述步骤S1中:
所述编织节距为0.1mm-4mm;
所述粘胶长丝-PTFE编织纱的直径为0.5mm-1.5cm。
在一种可能的实现方式中,所述步骤S2中:
所述碱化中使用的碱液由NaOH以及去离子水组成,碱化浓度为22.5%-40%,碱化时间为5min-120min,碱化温度为15℃-70℃。
在一种可能的实现方式中,所述步骤S2中:
所述醚化中使用的醚化剂由NaOH、去离子水、一氯乙酸以及无水乙醇组成,或者由NaOH、去离子水、一氯乙酸以及异丙醇组成;
所述NaOH的浓度为10%-18%,所述一氯乙酸的浓度为2.5%-12%,醚化时间为0.5h-4h,醚化温度为55℃-80℃;
所述酸化中使用的酸化试剂包括乙酸或硫酸。
在一种可能的实现方式中,所述步骤S3中:
所述Coolmax的规格为75D-150D,所述皮纱的锭子数量为偶数个;
所述皮纱的锭子均为顺时针包缠或者逆时针包缠,形成同向包缠;
所述锦纶单丝的直径为0.1mm-0.25mm,所述芯纱根数为1-4根。
在一种可能的实现方式中,所述步骤S3中:
所述编织节距为0.5mm-2mm;
所述Coolmax-锦纶单丝包缠纱的直径为0.2mm-1mm。
在一种可能的实现方式中,所述步骤S4中:
所述里表纱喂入1-2根,所述间隔丝喂入1-4根,所述外表纱喂入2-8根;
所述超高分子量聚乙烯的规格为300D-600D,40-80捻/m。
在一种可能的实现方式中,所述步骤S4中:
所述间隔丝的跨越针数为2针或4针或6针或8针;
所述间隔丝的度目值为55-110。
在一种可能的实现方式中,所述步骤S4中:
所述防护型三维结构止血纺织间隔织物的表面组织中基本单元由六行组成,所述表面组织包括组织一致的里表面组织和外表面组织;
所述防护型三维结构止血纺织间隔织物的基本单元第一行是满针,第二行在奇数针位编织,实现一隔一针距编织的效果,第三行依旧在奇数针位编织,实现一隔一针距编织的效果,第四行为满针,第五行在偶数针位编织,实现一隔一针距编织的效果,第六行依旧在偶数针位编织,实现一隔一针距编织的效果;
所述防护型三维结构止血纺织间隔织物的表面组织根据织物尺寸重复这个基本单元;
所述防护型三维结构止血纺织间隔织物的表面组织度目值为80-120。
本申请提供的技术方案带来的有益效果至少包括:
本申请提供的皮肤接触面羧甲基改性后粘胶长丝-PTFE编织纱的皮纱与芯纱编织为一体,但是皮纱溶解后芯纱结构完整,并且芯纱生物相容性好、惰性高,不同于海藻纤维-棉混纺纱或者壳聚糖-棉混纺纱,混纺纱中棉纱虽同样起结构支撑作用,但是可能导致肉芽组织棉纱孔隙,更换时二度伤害伤口;本申请提供的Coolmax-锦纶单丝包缠纱间隔丝,其Coolmax快速芯吸,加快止血,锦纶单丝提供弹性回复性和支撑力,不同于纯高吸水性的棉、粘胶和天丝组成的间隔丝,只能吸收大量血液,但是织物结构紧密,克重大,间隔丝没有弹性,止血效果好,但是保护作用弱;本申请提供的防护型三维结构止血纺织间隔织物,它通过一行满针完成基本表面结构,接着通过一行一隔一编织增加密度,防止间隔丝从表面孔隙中突出,不同于增加机号来提高密度,使得较粗的纱线也可以形成完整结构的间隔织物;实现了皮肤接触面原料生物相容性好、结构完整,间隔丝吸湿性和弹性回复性好,外表面疏水防护性好的要求,实现了快速止血,加强了对伤口的防护作用。
附图说明
附图用来提供对本申请的进一步理解,并且构成说明书的一部分,与本申请的实施例一起用于解释本申请,并不构成对本申请的限制。在附图中:
图1示出了本申请一个示例性实施例提供的防护型三维结构止血纺织间隔织物的制备方法的流程图;
图2示出了本申请一个示例性实施例提供的防护型三维结构止血纺织间隔织物的制备方法的编织纱的结构示意图;
图3示出了本申请一个示例性实施例提供的防护型三维结构止血纺织间隔织物的制备方法的包缠纱的结构示意图;
图4示出了本申请一个示例性实施例提供的防护型三维结构止血纺织间隔织物的制备方法的防护型三维结构止血纺织间隔织物的结构示意图;
图5示出了本申请一个示例性实施例提供的防护型三维结构止血纺织间隔织物的制备方法的编织示意图。
具体实施方式
下面将结合本申请实施例中的附图,对本申请实施例中的技术方案进行清楚、完整地描述,显然,所描述的实施例仅仅是本申请一部分实施例,而不是全部的实施例。基于本申请中的实施例,本领域普通技术人员在没有做出创造性劳动前提下所获得的所有其他实施例,都属于本申请保护的范围。
其中,相同的零部件用相同的附图标记表示。需要说明的是,下面描述中使用的词语“前”、“后”、“左”、“右”、“上”和“下”指的是本申请说明书附图中的方向,词语“底面”和“顶面”、“内”和“外”分别指的是朝向或远离特定部件。此外,术语“第一”、“第二”仅用于描述目的,而不能理解为指示或暗示相对重要性或者隐含指明所指示的技术特征的数量。由此,限定有“第一”、“第二”的特征可以明示或者隐含地包括一个或者多个该特征。在本申请说明书的描述中,“多个”的含义是两个或两个以上。
下面结合附图和实施例对本申请作更进一步的说明。
首先,对本申请实施例中涉及的名词进行简单的介绍:
PTFE,聚四氟乙烯(Poly tetra fluoroethylene,简写为PTFE),俗称“塑料王”,是一种以四氟乙烯作为单体聚合制得的高分子聚合物,化学式为(C2F4)n,耐热、耐寒性优良,可在-180~260℃长期使用。这种材料具有抗酸抗碱、抗各种有机溶剂的特点,几乎不溶于所有的溶剂。同时,聚四氟乙烯具有耐高温的特点,它的摩擦系数极低。
Coolmax,具有四沟槽的Coolmax纤维,能将人体活动时所产生的汗水迅速排至服装表层蒸发,保持肌肤清爽,令活动倍感舒适。它有着良好的导湿性,与棉纤维交织的针织面料具有良好的导湿效果,广泛的用来缝制T恤衫、运动装等。
图1示出了本申请一个示例性实施例提供的防护型三维结构止血纺织间隔织物的制备方法的流程图,该方法包括以下步骤:
步骤S1、以粘胶长丝作为皮纱,以PTFE缝纫线作为芯纱,在高速编织机上进行编织,皮纱安装在锭子上旋转编织,芯纱直接喂入,调整皮纱的编织节距后,编织得到粘胶长丝-PTFE编织纱。
在本申请实施例中,以粘胶长丝作为羧甲基改性的原料,以高生物相容性和惰性的PTFE作为芯纱,确保粘胶皮纱吸收血液溶解后,织物结构完整。
在一个可选的实施例中,粘胶长丝的规格为75D-600D,皮纱的锭子数量为4个或8个或16个,皮纱在粘胶长丝-PTFE编织纱中的质量占比为10%-90%;皮纱的锭子数量为偶数个,其中一半锭子顺时针旋转,另一半锭子逆时针旋转,皮纱的锭子形成对称编织;PTFE缝纫线的规格为200D-800D,芯纱根数为1-4根。
进一步地,编织节距为0.1mm-4mm;粘胶长丝-PTFE编织纱的直径为0.5mm-1.5cm。
步骤S2、对粘胶长丝-PTFE编织纱依次进行碱化、醚化、酸化以及烘干,得到改性后粘胶长丝-PTFE编织纱。
详细而言,碱化中使用的碱液由NaOH以及去离子水组成,碱化浓度为22.5%-40%,碱化时间为5min-120min,碱化温度为15℃-70℃。醚化中使用的醚化剂由NaOH、去离子水、一氯乙酸以及无水乙醇组成,或者由NaOH、去离子水、一氯乙酸以及异丙醇组成;NaOH的浓度为10%-18%,一氯乙酸的浓度为2.5%-12%,醚化时间为0.5h-4h,醚化温度为55℃-80℃。酸化中使用的酸化试剂包括但不限于乙酸或硫酸。
在本申请实施例中,以芯吸效果好的Coolmax作为皮纱,弹性回复好的锦纶单丝作为芯纱,保证包缠纱间隔丝能快速吸收血液并传导,加快止血,同时在外物撞击时有良好的回弹性,起到保护伤口的作用。
步骤S3、以Coolmax作为皮纱,以锦纶单丝作为芯纱,在高速编织机上进行包缠,皮纱安装在锭子上旋转包缠,芯纱直接喂入,调整皮纱的编织节距后,编织得到Coolmax-锦纶单丝包缠纱。
在一个可选的实施例中,Coolmax的规格为75D-150D,皮纱的锭子数量为偶数个;皮纱的锭子均为顺时针包缠或者逆时针包缠,形成同向包缠;锦纶单丝的直径为0.1mm-0.25mm,芯纱根数为1-4根。
优选地,编织节距为0.5mm-2mm;Coolmax-锦纶单丝包缠纱的直径为0.2mm-1mm。
步骤S4、以改性后粘胶长丝-PTFE编织纱作为里表纱,以Coolmax-锦纶单丝包缠纱作为间隔丝,以超高分子量聚乙烯作为外表纱,在横编机上进行编织,调整间隔丝的跨越针数后,编织得到防护型三维结构止血纺织间隔织物。
在一个可选的实施例中,里表纱喂入1-2根,间隔丝喂入1-4根,外表纱喂入2-8根;超高分子量聚乙烯的规格为300D-600D,40-80捻/m。间隔丝的跨越针数为2针或4针或6针或8针;间隔丝的度目值为55-110。
需要说明的是,防护型三维结构止血纺织间隔织物的表面组织中基本单元由六行组成,表面组织包括组织一致的里表面组织和外表面组织;防护型三维结构止血纺织间隔织物的基本单元第一行是满针,第二行在奇数针位编织,实现一隔一针距编织的效果,第三行依旧在奇数针位编织,实现一隔一针距编织的效果,第四行为满针,第五行在偶数针位编织,实现一隔一针距编织的效果,第六行依旧在偶数针位编织,实现一隔一针距编织的效果;防护型三维结构止血纺织间隔织物的表面组织根据织物尺寸重复这个基本单元;防护型三维结构止血纺织间隔织物的表面组织度目值为80-120。
综上所述,本申请提供的皮肤接触面羧甲基改性后粘胶长丝-PTFE编织纱的皮纱与芯纱编织为一体,但是皮纱溶解后芯纱结构完整,并且芯纱生物相容性好、惰性高,不同于海藻纤维-棉混纺纱或者壳聚糖-棉混纺纱,混纺纱中棉纱虽同样起结构支撑作用,但是可能导致肉芽组织棉纱孔隙,更换时二度伤害伤口;本申请提供的Coolmax-锦纶单丝包缠纱间隔丝,其Coolmax快速芯吸,加快止血,锦纶单丝提供弹性回复性和支撑力,不同于纯高吸水性的棉、粘胶和天丝组成的间隔丝,只能吸收大量血液,但是织物结构紧密,克重大,间隔丝没有弹性,止血效果好,但是保护作用弱;本申请提供的防护型三维结构止血纺织间隔织物,它通过一行满针完成基本表面结构,接着通过一行一隔一编织增加密度,防止间隔丝从表面孔隙中突出,不同于增加机号来提高密度,使得较粗的纱线也可以形成完整结构的间隔织物;实现了皮肤接触面原料生物相容性好、结构完整,间隔丝吸湿性和弹性回复性好,外表面疏水防护性好的要求,实现了快速止血,加强了对伤口的防护作用。
为了更好的理解本申请,下面结合附图和两个具体实施例对本申请作更进一步的说明。需要说明的是,该具体实施例所描述的实施例仅仅是本申请一部分实施例,不限定本申请保护的范围。
实施例一
本实施例提供了一种防护型三维结构止血纺织间隔织物的制备方法,包括以下步骤:
步骤S1、请参阅图2,以75D的粘胶长丝作为皮纱2,以3根800D的PTFE缝纫线作为芯纱1,在型号为90-16-1的高速编织机上进行编织,皮纱2安装在8个锭子上旋转编织,1根芯纱1直接喂入,调整皮纱2的编织节距为3mm,编织得到直径为0.5mm的粘胶长丝-PTFE编织纱,其中皮纱2在该粘胶长丝-PTFE编织纱中的质量占比为41%。
步骤S2、对粘胶长丝-PTFE编织纱依次进行碱化、醚化、酸化以及烘干,得到改性后粘胶长丝-PTFE编织纱;其中碱化浓度为30%,碱化时间为30min,碱化温度为40℃;该醚化时使用的醚化剂由18%的NaOH、去离子水、5%的一氯乙酸和无水乙醇组成,醚化时间为2h,醚化温度为70℃;另外酸化中使用的酸化试剂为乙酸。
步骤S3、请参阅图3,以75D的Coolmax作为皮纱4,以直径为0.2mm的锦纶单丝作为芯纱3,在型号为90-16-1的高速编织机上进行包缠,皮纱4安装在4个锭子上旋转包缠,1根芯纱3直接喂入,调整皮纱4的编织节距为2mm后,编织得到直径为0.356mm的Coolmax-锦纶单丝包缠纱。
步骤S4、请参阅图4,以改性后粘胶长丝-PTFE编织纱作为里表纱7,以Coolmax-锦纶单丝包缠纱作为间隔丝6,以4根600D,80捻/m的超高分子量聚乙烯作为外表纱5,在型号为7号机的横编机上进行编织,调整间隔丝的跨越针数后,编织得到防护型三维结构止血纺织间隔织物。
需要说明的是,请参阅图5,防护型三维结构止血纺织间隔织物的表面组织中基本单元由六行组成,表面组织包括组织一致的里表面组织和外表面组织;防护型三维结构止血纺织间隔织物的基本单元第一行在全部针位8满针编织,第二行在奇数针位9编织,实现一隔一针距编织的效果,第三行依旧在奇数针位9编织,实现一隔一针距编织的效果,第四行在全部针位8满针编织,第五行在偶数针位11编织,实现一隔一针距编织的效果,第六行依旧在偶数针位11编织,实现一隔一针距编织的效果;防护型三维结构止血纺织间隔织物的表面组织根据织物尺寸重复这个基本单元。
另外,该间隔丝6在每次跨越4针的针位10处进行编织。两表面组织的度目值为80,间隔丝6的度目值为65。最终得到的防护型三维结构止血纺织间隔织物的厚度为7.373cm,克重为1448.24g/m2,体积重量为0.196g/cm3。循环压缩应力在1.68MPa左右,透气性986.05mm/s左右,透湿性1372.09g/m2/day,热阻0.2659m2K/W,吸收血液的百分比是186.43%。
实施例二
本实施例提供了另一种防护型三维结构止血纺织间隔织物的制备方法,包括以下步骤:
步骤S1、请参阅图2,以75D的粘胶长丝作为皮纱2,以3根800D的PTFE缝纫线作为芯纱1,在型号为90-16-1的高速编织机上进行编织,皮纱2安装在8个锭子上旋转编织,2根芯纱1直接喂入,调整皮纱2的编织节距为3mm,编织得到直径为0.8mm的粘胶长丝-PTFE编织纱,其中皮纱2在该粘胶长丝-PTFE编织纱中的质量占比为31%。
步骤S2、对粘胶长丝-PTFE编织纱依次进行碱化、醚化、酸化以及烘干,得到改性后粘胶长丝-PTFE编织纱;其中碱化浓度为30%,碱化时间为30min,碱化温度为40℃;该醚化时使用的醚化剂由18%的NaOH、去离子水、5%的一氯乙酸和无水乙醇组成,醚化时间为2h,醚化温度为70℃;另外酸化中使用的酸化试剂为乙酸。
步骤S3、请参阅图3,以75D的Coolmax作为皮纱4,以直径为0.2mm的锦纶单丝作为芯纱3,在型号为90-16-1的高速编织机上进行包缠,皮纱4安装在4个锭子上旋转包缠,1根芯纱3直接喂入,调整皮纱4的编织节距为2mm后,编织得到直径为0.356mm的Coolmax-锦纶单丝包缠纱。
步骤S4、请参阅图4,以改性后粘胶长丝-PTFE编织纱作为里表纱7,以Coolmax-锦纶单丝包缠纱作为间隔丝6,以4根600D,80捻/m的超高分子量聚乙烯作为外表纱5,在型号为7号机的横编机上进行编织,调整间隔丝的跨越针数后,编织得到防护型三维结构止血纺织间隔织物。
需要说明的是,请参阅图5,防护型三维结构止血纺织间隔织物的表面组织中基本单元由六行组成,表面组织包括组织一致的里表面组织和外表面组织;防护型三维结构止血纺织间隔织物的基本单元第一行在全部针位8满针编织,第二行在奇数针位9编织,实现一隔一针距编织的效果,第三行依旧在奇数针位9编织,实现一隔一针距编织的效果,第四行在全部针位8满针编织,第五行在偶数针位11编织,实现一隔一针距编织的效果,第六行依旧在偶数针位11编织,实现一隔一针距编织的效果;防护型三维结构止血纺织间隔织物的表面组织根据织物尺寸重复这个基本单元。
另外,该间隔丝6在每次跨越4针的针位10处进行编织。两表面组织的度目值为80,间隔丝6的度目值为65。最终得到的防护型三维结构止血纺织间隔织物的厚度为6.592cm,克重为1743.8g/m2,体积重量为0.265g/cm3。循环压缩应力在1.57MPa左右,透气性924.94mm/s左右,透湿性1357.65g/m2/day,热阻0.2123m2K/W,吸收血液的百分比是177.14%。
以上所述仅是本申请的优选实施方式,应当指出:对于本技术领域的普通技术人员来说,在不脱离本申请原理的前提下,还可以做出若干改进和润饰,这些改进和润饰也应视为本申请的保护范围。

Claims (10)

1.一种防护型三维结构止血纺织间隔织物的制备方法,其特征在于,包括:
S1、以粘胶长丝作为皮纱,以PTFE缝纫线作为芯纱,在高速编织机上进行编织,所述皮纱安装在锭子上旋转编织,所述芯纱直接喂入,调整皮纱的编织节距后,编织得到粘胶长丝-PTFE编织纱;
S2、对所述粘胶长丝-PTFE编织纱依次进行碱化、醚化、酸化以及烘干,得到改性后粘胶长丝-PTFE编织纱;
S3、以Coolmax作为皮纱,以锦纶单丝作为芯纱,在高速编织机上进行包缠,所述皮纱安装在锭子上旋转包缠,所述芯纱直接喂入,调整皮纱的编织节距后,编织得到Coolmax-锦纶单丝包缠纱;
S4、以所述改性后粘胶长丝-PTFE编织纱作为里表纱,以所述Coolmax-锦纶单丝包缠纱作为间隔丝,以超高分子量聚乙烯作为外表纱,在横编机上进行编织,调整间隔丝的跨越针数后,编织得到防护型三维结构止血纺织间隔织物。
2.根据权利要求1所述的防护型三维结构止血纺织间隔织物的制备方法,其特征在于,所述步骤S1中:
所述粘胶长丝的规格为75D-600D,所述皮纱的锭子数量为4个或8个或16个,所述皮纱在所述粘胶长丝-PTFE编织纱中的质量占比为10%-90%;
所述皮纱的锭子数量为偶数个,其中一半锭子顺时针旋转,另一半锭子逆时针旋转,所述皮纱的锭子形成对称编织;
所述PTFE缝纫线的规格为200D-800D,所述芯纱根数为1-4根。
3.根据权利要求1所述的防护型三维结构止血纺织间隔织物的制备方法,其特征在于,所述步骤S1中:
所述编织节距为0.1mm-4mm;
所述粘胶长丝-PTFE编织纱的直径为0.5mm-1.5cm。
4.根据权利要求1所述的防护型三维结构止血纺织间隔织物的制备方法,其特征在于,所述步骤S2中:
所述碱化中使用的碱液由NaOH以及去离子水组成,碱化浓度为22.5%-40%,碱化时间为5min-120min,碱化温度为15℃-70℃。
5.根据权利要求1所述的防护型三维结构止血纺织间隔织物的制备方法,其特征在于,所述步骤S2中:
所述醚化中使用的醚化剂由NaOH、去离子水、一氯乙酸以及无水乙醇组成,或者由NaOH、去离子水、一氯乙酸以及异丙醇组成;
所述NaOH的浓度为10%-18%,所述一氯乙酸的浓度为2.5%-12%,醚化时间为0.5h-4h,醚化温度为55℃-80℃;
所述酸化中使用的酸化试剂包括乙酸或硫酸。
6.根据权利要求1所述的防护型三维结构止血纺织间隔织物的制备方法,其特征在于,所述步骤S3中:
所述Coolmax的规格为75D-150D,所述皮纱的锭子数量为偶数个;
所述皮纱的锭子均为顺时针包缠或者逆时针包缠,形成同向包缠;
所述锦纶单丝的直径为0.1mm-0.25mm,所述芯纱根数为1-4根。
7.根据权利要求1所述的防护型三维结构止血纺织间隔织物的制备方法,其特征在于,所述步骤S3中:
所述编织节距为0.5mm-2mm;
所述Coolmax-锦纶单丝包缠纱的直径为0.2mm-1mm。
8.根据权利要求1所述的防护型三维结构止血纺织间隔织物的制备方法,其特征在于,所述步骤S4中:
所述里表纱喂入1-2根,所述间隔丝喂入1-4根,所述外表纱喂入2-8根;
所述超高分子量聚乙烯的规格为300D-600D,40-80捻/m。
9.根据权利要求1所述的防护型三维结构止血纺织间隔织物的制备方法,其特征在于,所述步骤S4中:
所述间隔丝的跨越针数为2针或4针或6针或8针;
所述间隔丝的度目值为55-110。
10.根据权利要求1所述的防护型三维结构止血纺织间隔织物的制备方法,其特征在于,所述步骤S4中:
所述防护型三维结构止血纺织间隔织物的表面组织中基本单元由六行组成,所述表面组织包括组织一致的里表面组织和外表面组织;
所述防护型三维结构止血纺织间隔织物的基本单元第一行是满针,第二行在奇数针位编织,实现一隔一针距编织的效果,第三行依旧在奇数针位编织,实现一隔一针距编织的效果,第四行为满针,第五行在偶数针位编织,实现一隔一针距编织的效果,第六行依旧在偶数针位编织,实现一隔一针距编织的效果;
所述防护型三维结构止血纺织间隔织物的表面组织根据织物尺寸重复这个基本单元;
所述防护型三维结构止血纺织间隔织物的表面组织度目值为80-120。
CN202310139236.2A 2023-02-20 2023-02-20 防护型三维结构止血纺织间隔织物的制备方法 Pending CN116163053A (zh)

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