CN112210999A - 一种具有定量拉力的高强度防护织物的制备方法 - Google Patents

一种具有定量拉力的高强度防护织物的制备方法 Download PDF

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CN112210999A
CN112210999A CN202010915937.7A CN202010915937A CN112210999A CN 112210999 A CN112210999 A CN 112210999A CN 202010915937 A CN202010915937 A CN 202010915937A CN 112210999 A CN112210999 A CN 112210999A
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陈明宏
潘六一
戴月萍
杨建云
张永秀
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Fujian Changyuan Textile Co ltd
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Abstract

本发明公开了一种具有定量拉力的高强度防护织物的制备方法,包括以下步骤:步骤1:取竹浆纤维和亚麻纤维并置入10g/L的高碘酸钠溶液,在40℃条件下避光氧化1h,得到氧化竹纤维;竹浆纤维、亚麻纤维和高碘酸钠溶液的质量比为1:1:4;步骤2:将氧化竹浆亚麻纤维放入0.1mol/L丙三醇溶液中浸泡30min,再用100g去离子水冲洗3~5次,干燥后得到氧化竹浆亚麻纤维;本申请中竹浆纤维具有长纤维中孔结构,有很多孔隙,具有很强的透气吸湿性和耐磨性,能够将人体排出的汗蒸气快速吸收并排放到外界,调节衣服与人体间微气候,提高舒适性,另外添加的亚麻纤维,利用亚麻布其纤维强度高,不易撕裂的优点提高了纺织物的力学性能,同时也保证了较高的抗拉性能。

Description

一种具有定量拉力的高强度防护织物的制备方法
技术领域
本发明涉及织物技术领域,具体是一种具有定量拉力的高强度防护织物的制备方法。
背景技术
防水透气功能纺织品,是指人体在运动过程中,能使人体产生的汗液蒸汽不在织物和 皮肤之间积聚、冷凝,而是以织物为媒介传递到外界,从而实现纺织品防水透气的功能。 它是一种集透气、防水、防风和保暖性能于一身的功能纺织品,与传统的不透气的“防水 织物”相比,有两个明显的优点,第一,能减少汗液在皮肤与织物之间的积聚,避免了恶劣天气时服装内较多的水蒸汽凝聚,舒适感增强;第二,防水层将微汗和大汗所产生的蒸发热损失值降到最低,在某些条件下会给人以真正的生理舒适感,但是现有的材料在保证透气的同时再次织物整体的抗拉性能不高,实际使用时很容易造成损坏,这样就使得使用该织物制作的衣物质量较差。
针对以上问题,现在提出一种具有定量拉力的高强度防护织物的制备方法。
发明内容
本发明的目的在于提供一种具有定量拉力的高强度防护织物的制备方法,以解决上述 背景技术中提出的问题。
为实现上述目的,本发明提供如下技术方案:
一种具有定量拉力的高强度防护织物的制备方法,包括以下步骤:
步骤1:取竹浆纤维和亚麻纤维并置入10g/L的高碘酸钠溶液,在40℃条件下避光氧化1h,得到氧化竹纤维;
步骤2:将氧化竹浆亚麻纤维放入0.1mol/L丙三醇溶液中浸泡10-40min,再用100g去离子水冲洗3~5次,干燥后得到氧化竹浆亚麻纤维;
步骤3:将氧化竹浆亚麻纤维放入壳聚糖液,在40℃条件下反应1h,得到反应纤维;
步骤4:将反应纤维取出并在80℃条件下预烘5min,然后在150℃条件下焙烘3min,再用100g去离子水浸泡24h,干燥后得到壳聚糖竹浆亚麻纤维;
步骤5:将壳聚糖竹浆亚麻纤维复合形成抗拉透气纱;
步骤6:将抗拉透气纱进行上浆处理,上浆剂为聚乙烯醇和淀粉加水煮沸的混合浆液, 其中聚乙烯醇和淀粉的质量比为1~2,上浆后室温下晾晒4小时,获得改性后的经线和纬 线;
步骤7:对步骤6中获得的经纬线上机织造,经线密度和纬线密度为20~25根/cm,从而得到克重在100g/m2~200g/m2的复丝织物;
步骤8:取正硅酸乙酯、无水乙醇和2mol/L盐酸溶液,在50℃条件下混合均匀,得到溶液A,然后向溶液A中加入2mol/L氨水溶液,得到二氧化硅胶液;
步骤9:取二甲基二氧乙基硅烷加入到二氧化硅胶液中,在50℃条件下反应10-50h, 得到反应物;取反应物和N,N-二甲基甲酰胺混合均匀,超声2h,得到溶液B,然后将聚氨 酯置入溶液B中超声搅拌2h,得到纺丝液;
步骤10:将纺丝液通过静电纺丝得到聚氨酯纤维,将聚氨酯纤维分别机织成布,得到 聚氨酯纤维布,将步骤7中的复丝织物和聚氨酯纤维布通过层压工艺压制成一块布,得到 耐抗拉透气型织物。
优选的,步骤1中所述竹浆纤维、亚麻纤维和高碘酸钠溶液的质量比为1:1:4。
优选的,步骤2中,将氧化竹浆亚麻纤维放入0.1mol/L丙三醇溶液中浸泡30min。
优选的,步骤7上机织造经线密度和纬线密度位23根/cm。
优选的,步骤7中上机织造的复丝织物单位面积质量为150g/m2
优选的,步骤8中正硅酸乙酯、无水乙醇、盐酸溶液和氨水溶液的质量比为5:50:1:1。
优选的,步骤9中在50℃条件下反应24h。
与现有技术相比,本发明的有益效果是:本申请中竹浆纤维具有长纤维中孔结构,有 很多孔隙,具有很强的透气吸湿性和耐磨性,能够将人体排出的汗蒸气快速吸收并排放到 外界,调节衣服与人体间微气候,提高舒适性,另外添加的亚麻纤维,利用亚麻布其纤维强度高,不易撕裂的优点提高了纺织物的力学性能;
壳聚糖可以进入氧化竹浆纤维内部,与更多的活性醛基发生交联,有更多的壳聚糖与 氧化竹浆纤维结合,与氧化竹浆纤维分子中活性醛基形成的共价键及氢键作用而交联于竹 浆纤维的表面和内部微隙中,并在纤维上形成一层弹性薄膜,使得织物的耐撕裂能力能到 提高。
选用淀粉的作用是起到粘合剂的作用,使得纤维之间更加紧密,聚乙烯醇的作用是起 到润滑的作用,使得织造过程中机器与纤维之间的摩擦力变小,防止织造过程中出现断裂 的情况;上浆后室温下晾晒1~3小时,然后进行上机织造,使得织物更加致密,同时不会产生松散的情况,有助于提高织物的强度。
具体实施方式
下面将结合本发明实施例,对本发明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发明一部分实施例,而不是全部的实施例。基于本发明中的 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 属于本发明保护的范围。
本发明实施例中,一种具有定量拉力的高强度防护织物的制备方法,包括以下步骤:
步骤1:取竹浆纤维和亚麻纤维并置入10g/L的高碘酸钠溶液,在40℃条件下避光氧化1h,得到氧化竹纤维;
竹浆纤维、亚麻纤维和高碘酸钠溶液的质量比为1:1:4;
步骤2:将氧化竹浆亚麻纤维放入0.1mol/L丙三醇溶液中浸泡30min,再用100g去离子水冲洗3~5次,干燥后得到氧化竹浆亚麻纤维;
步骤3:将氧化竹浆亚麻纤维放入壳聚糖液,在40℃条件下反应1h,得到反应纤维;
步骤4:将反应纤维取出并在80℃条件下预烘5min,然后在150℃条件下焙烘3min,再用100g去离子水浸泡24h,干燥后得到壳聚糖竹浆亚麻纤维;
步骤5:将壳聚糖竹浆亚麻纤维复合形成抗拉透气纱;
步骤6:将抗拉透气纱进行上浆处理,上浆剂为聚乙烯醇和淀粉加水煮沸的混合浆液, 其中聚乙烯醇和淀粉的质量比为1~2,上浆后室温下晾晒4小时,获得改性后的经线和纬 线;
步骤7:对步骤6中获得的经纬线上机织造,经线密度和纬线密度为20~25根/cm(优 选23根/cm),从而得到克重在100g/m2~200g/m2的复丝织物,优选150g/m2
步骤8:取正硅酸乙酯、无水乙醇和2mol/L盐酸溶液,在50℃条件下混合均匀,得到溶液A,然后向溶液A中加入2mol/L氨水溶液,得到二氧化硅胶液;
正硅酸乙酯、无水乙醇、盐酸溶液和氨水溶液的质量比为5:50:1:1;
步骤9:取二甲基二氧乙基硅烷加入到二氧化硅胶液中,在50℃条件下反应24h,得到反应物;取反应物和N,N-二甲基甲酰胺混合均匀,超声2h,得到溶液B,然后将聚氨 酯置入溶液B中超声搅拌2h,得到纺丝液;
步骤10:将纺丝液通过静电纺丝得到聚氨酯纤维,将聚氨酯纤维分别机织成布,得到 聚氨酯纤维布,将步骤7中的复丝织物和聚氨酯纤维布通过层压工艺压制成一块布,得到 耐抗拉透气型织物;
取20m2本发明制备的织物5组和对照例(现有一般的透气抗拉织物)在规定的压差条 件下,测定一定时间内垂直通过试样给定面积的气流流量,计算出透气率;
表一:
性能 组1 组2 组3 组4 组5 对照组
透气性 301L/m<sup>2</sup>/s 298L/m<sup>2</sup>/s 310L/m<sup>2</sup>/s 308L/m<sup>2</sup>/s 305L/m<sup>2</sup>/s 240L/m<sup>2</sup>/s
从表一中可以看出,本申请中的制作方法加工出的织物的透气性性能大于现有技术中 的织物透气性性能;
取经向5个规格为100mm×50mm样条进行等速拉伸测试,纬线5个规格为100mm×50mm 样条进行等速拉伸测试;
表二:
性能 组1 组2 组3 组4 组5 对照组
抗拉性 1100N 1200N 1105N 1032N 1205N 760N
伸长率 24% 26% 24.3% 24.5% 26.5% 15%
由表二可以看出,本申请加工出来的织物抗拉性能更好,且断裂伸长率更大,已经超 过现有产品的性能。
对于本领域技术人员而言,显然本发明不限于上述示范性实施例的细节,而且在不背 离本发明的精神或基本特征的情况下,能够以其他的具体形式实现本发明。因此,无论从 哪一点来看,均应将实施例看作是示范性的,而且是非限制性的,本发明的范围由所附权 利要求而不是上述说明限定,因此旨在将落在权利要求的等同要件的含义和范围内的所有 变化囊括在本发明内。
此外,应当理解,虽然本说明书按照实施方式加以描述,但并非每个实施方式仅包含 一个独立的技术方案,说明书的这种叙述方式仅仅是为清楚起见,本领域技术人员应当将 说明书作为一个整体,各实施例中的技术方案也可以经适当组合,形成本领域技术人员可 以理解的其他实施方式。

Claims (7)

1.一种具有定量拉力的高强度防护织物的制备方法,其特征在于:包括以下步骤:
步骤1:取竹浆纤维和亚麻纤维并置入10g/L的高碘酸钠溶液,在40℃条件下避光氧化1h,得到氧化竹纤维;
步骤2:将氧化竹浆亚麻纤维放入0.1mol/L丙三醇溶液中浸泡10-40min,再用100g去离子水冲洗3~5次,干燥后得到氧化竹浆亚麻纤维;
步骤3:将氧化竹浆亚麻纤维放入壳聚糖液,在40℃条件下反应1h,得到反应纤维;
步骤4:将反应纤维取出并在80℃条件下预烘5min,然后在150℃条件下焙烘3min,再用100g去离子水浸泡24h,干燥后得到壳聚糖竹浆亚麻纤维;
步骤5:将壳聚糖竹浆亚麻纤维复合形成抗拉透气纱;
步骤6:将抗拉透气纱进行上浆处理,上浆剂为聚乙烯醇和淀粉加水煮沸的混合浆液,其中聚乙烯醇和淀粉的质量比为1~2,上浆后室温下晾晒4小时,获得改性后的经线和纬线;
步骤7:对步骤6中获得的经纬线上机织造,经线密度和纬线密度为20~25根/cm,从而得到克重在100g/m2~200g/m2的复丝织物;
步骤8:取正硅酸乙酯、无水乙醇和2mol/L盐酸溶液,在50℃条件下混合均匀,得到溶液A,然后向溶液A中加入2mol/L氨水溶液,得到二氧化硅胶液;
步骤9:取二甲基二氧乙基硅烷加入到二氧化硅胶液中,在50℃条件下反应10-50h,得到反应物;取反应物和N,N-二甲基甲酰胺混合均匀,超声2h,得到溶液B,然后将聚氨酯置入溶液B中超声搅拌2h,得到纺丝液;
步骤10:将纺丝液通过静电纺丝得到聚氨酯纤维,将聚氨酯纤维分别机织成布,得到聚氨酯纤维布,将步骤7中的复丝织物和聚氨酯纤维布通过层压工艺压制成一块布,得到耐抗拉透气型织物。
2.根据权利要求1所述的一种具有定量拉力的高强度防护织物的制备方法,其特征在于:步骤1中所述竹浆纤维、亚麻纤维和高碘酸钠溶液的质量比为1:1:4。
3.根据权利要求1所述的一种具有定量拉力的高强度防护织物的制备方法,其特征在于:步骤2中,将氧化竹浆亚麻纤维放入0.1mol/L丙三醇溶液中浸泡30min。
4.根据权利要求1所述的一种具有定量拉力的高强度防护织物的制备方法,其特征在于:步骤7中经线密度和纬线密度位23根/cm。
5.根据权利要求1所述的一种具有定量拉力的高强度防护织物的制备方法,其特征在于:步骤7中上机织造的复丝织物单位面积质量为150g/m2
6.根据权利要求1所述的一种具有定量拉力的高强度防护织物的制备方法,其特征在于:步骤8中正硅酸乙酯、无水乙醇、盐酸溶液和氨水溶液的质量比为5:50:1:1。
7.根据权利要求1所述的一种具有定量拉力的高强度防护织物的制备方法,其特征在于:步骤9中在50℃条件下反应24h。
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