CN113564802A - 一种蚕丝棉无纺布、蚕丝棉无纺布制备工艺及卫生巾 - Google Patents

一种蚕丝棉无纺布、蚕丝棉无纺布制备工艺及卫生巾 Download PDF

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CN113564802A
CN113564802A CN202110823767.4A CN202110823767A CN113564802A CN 113564802 A CN113564802 A CN 113564802A CN 202110823767 A CN202110823767 A CN 202110823767A CN 113564802 A CN113564802 A CN 113564802A
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woven fabric
silk
silk cotton
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黄翠玉
郑增芳
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Fujian Hengan Hygiene Material Co ltd
Hengan Fujian Holding Group Co Ltd
Fujian Hengan Household Life Article Co Ltd
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Fujian Hengan Hygiene Material Co ltd
Hengan Fujian Holding Group Co Ltd
Fujian Hengan Household Life Article Co Ltd
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Abstract

本发明涉及一种蚕丝棉无纺布，包括5～60重量份的蚕丝纤维和40～95重量份的棉纤维。蚕丝棉无纺布制备工艺包括：步骤一、水刺处理工序，将蚕丝纤维和棉纤维混合后，经过梳理、铺网和水刺处理，制成一次加工蚕丝棉无纺布；步骤二、降低一次加工蚕丝棉无纺布表面张力，包括在水中添加茶皂素搅拌均匀后制得处理液，将一次加工蚕丝棉无纺布浸泡在处理液中，制得二次加工蚕丝棉无纺布；步骤三、去除杂质处理工序，制备得到三次加工蚕丝棉无纺布；步骤四、三次加工蚕丝棉无纺布表面施加酸性溶液中和后，用水经过多次冲洗，最后烘干得到蚕丝棉无纺布成品。本蚕丝棉无纺布表面触感柔顺、光泽度和亲水性好，并且保留蚕丝丝胶，具有抑菌性能。

Description

一种蚕丝棉无纺布、蚕丝棉无纺布制备工艺及卫生巾
技术领域
本发明涉及无纺布的制备工艺技术领域，尤其涉及一种蚕丝棉无纺布、蚕丝棉无纺布制备工艺及卫生巾。
背景技术
女性的外***位皮肤细，在女性月经期间，外***位易过敏，产生瘙痒等不舒适的感觉。卫生巾是用来吸收女性在月经期间排出的经血，卫生巾的一般结构包括表层无纺布、吸收芯体和防漏底膜，其中表层无纺布作为直接与外***位接触的材料，要求对人体刺激性小，并且不磨伤人体皮肤。卫生巾吸收经血后，在闷热的环境中容易滋生细菌，引起一些妇科疾病。目前，卫生巾的表层无纺布的生产原料一般采用涤纶、丙纶、锦纶、氨纶、腈纶、聚丙烯树脂等成分，具有无毒、质轻、柔软等优点，但是现有的表层无纺布不能有效的抑菌。
科学研究表明，蚕丝具有触感柔顺、细腻、抗过敏、亲肤等优点，其富含的多重氨基酸，与人体皮肤的氨基酸组成几乎一致，能促进皮肤细胞活力，具有抑菌效果，素有“人体第二肌肤”至美誉。棉纤维具有亲肤性、渗透性好、不磨伤皮肤等优点。
蚕丝是天然的动物纤维，蚕丝中会包裹有少量的蚕蛹实体(呈黑色)，并且蚕丝的成分中也含有天然的色素(约占0.2％)，会影响蚕丝制备成的产品的美观度。棉纤维是天然的植物纤维，棉纤维会包裹有少量的棉籽壳，会影响棉纤维制备成的产品的美观度；并且棉纤维成分中含有约1.2％果胶，对棉纤维的吸湿性能有影响(棉纤维含有的果胶不吸水)。
基于上述情况，本发明设计提出一种蚕丝棉无纺布、蚕丝棉无纺布制备工艺及卫生巾，用于制备蚕丝棉无纺布，以及包含该蚕丝棉无纺布的卫生巾。
发明内容
因此，针对上述的问题，本发明提出一种蚕丝棉无纺布、蚕丝棉无纺布制备工艺及卫生巾，通过本制备工艺制备得到的蚕丝棉无纺布具有触感柔顺、光泽度和亲水性好，外观美观，并且保留蚕丝丝胶，具有抑菌性能。
为实现上述目的，本发明采用了以下技术方案：一种蚕丝棉无纺布，所述蚕丝无纺布包括以下重量份的原料制备而成：5～60重量份的蚕丝纤维和40～95重量份的棉纤维。
进一步的，所述蚕丝纤维无纺布表面的光泽度范围在2GS-50GS。
蚕丝棉无纺布制备工艺，包括以下步骤：
步骤一、水刺处理工序，将5～60重量份的蚕丝纤维和40～95重量份的棉纤维混合均匀后，经过梳理、铺网以及水刺处理，制成一次加工蚕丝棉无纺布；
步骤二、降低一次加工蚕丝棉无纺布表面张力处理工序，包括以下子步骤：
步骤a、制备处理液，在水中添加茶皂素充分搅拌均匀后制得处理液，所述茶皂素在处理液中的质量-体积浓度为0.01％～1％；
步骤b、加热所述处理液至M1℃并保持，所述M1℃的取值区间为[40℃，150℃]；
步骤c、将所述步骤一制得的一次加工蚕丝棉无纺布完全浸泡在所述处理液中，并保持60min～120min，制得二次加工蚕丝棉无纺布；
步骤三、去除杂质处理工序，包括以下子步骤：
步骤d、制备酶促进剂，所述酶促进剂包括30～50重量份磷酸氢钠和50～70重量份磷酸氢二钠；
步骤e、制备果胶酶溶液，在水中添加果胶酶充分搅拌均匀后制得果胶酶溶液，所述果胶酶在果胶酶溶液中的质量-体积浓度为0.01g/L～0.1g/L；
步骤f、在所述步骤e制得的果胶酶溶液中添加所述步骤d制备的酶促进剂，直至所述果胶酶溶液的PH值维持在8～9范围内；
然后将制得的果胶酶溶液加热至M2℃并保持，所述M2℃的取值区间为[40℃，90℃]；
步骤g、将上述二次加工蚕丝棉无纺布完全浸泡在所述步骤f制得的果胶酶溶液中作用20min～60min，制备得到三次加工蚕丝棉无纺布；
步骤四、冲洗烘干工序，将所述三次加工蚕丝棉无纺布表面施加酸性溶液中和后，用水经过多次冲洗；
最后放入烘干设备中烘干得到蚕丝棉无纺布成品。
进一步的，所述步骤三还包括以下步骤：
步骤h、在所述步骤g制得的果胶酶溶液中添加稳定剂，所述稳定剂在果胶酶溶液中的质量-体积浓度为5g/L～20g/L；
所述稳定剂包括谷氨酸二乙酸四钠25～35重量份和丙烯酸树脂5～15重量份，余量为水；
步骤i、将所述步骤h制备的果胶酶溶液加热至M3℃并保持，所述M3℃的取值区间为[50℃，120℃]；
然后在果胶酶溶液中加入氧化剂作用30min～60min；制备得到三次加工蚕丝棉无纺布。
进一步的，所述果胶酶采用醛酸酶、醛酸裂解酶、果胶裂解酶、聚半乳糖醛酸酶、聚半乳糖醛酸裂解酶、果胶酸裂解酶、果胶酯酶或果胶酰基水解酶中的一种或者任意几种组合。
进一步的，所述酸性溶液采用柠檬酸溶液，所述柠檬酸溶液中含有柠檬酸，所述柠檬酸在柠檬酸溶液中的质量-体积浓度为5g/L～20g/L。
进一步的，所述氧化剂为15％～30％浓度的双氧水。
一种卫生巾，包括通过上述蚕丝棉无纺布制备工艺所制得的蚕丝棉无纺布成品。
通过采用前述技术方案，本发明的有益效果是：本蚕丝棉无纺布表面触感柔顺、光泽度和亲水性好，并且保留蚕丝丝胶，具有抑菌性能。
采用蚕丝纤维和棉纤维作为原料制备一次加工蚕丝棉无纺布，先通过水刺处理工序制得一次加工蚕丝棉无纺布，经水刺处理清除了大颗粒的杂质(如大颗粒的蚕蛹尸体及棉籽壳等)，但是还是有一些小颗粒的蚕蛹尸体及棉籽壳等包覆在一次加工蚕丝棉无纺布内，难以清除，或者说不可能完全清除，会影响一次加工蚕丝棉无纺布的美观度(造成一次加工蚕丝棉无纺布表面有细小的黑点等)；并且棉纤维本身含有的果胶不吸水，影响一次加工蚕丝棉无纺布的亲水性。
因此，进一步的，先通过增强一次加工蚕丝棉无纺布亲水性处理工序，降低一次加工蚕丝棉无纺布的表面张力制得二次加工蚕丝棉无纺布，更具体的说，是通过茶皂素降低蚕丝纤维和棉纤维的表面张力；
然后再通过去除杂质处理工序，除去棉纤维上的果胶；更具体的说通果胶酶溶液去除棉纤维上的果胶。为了保证果胶酶溶液的酶活性，在果胶酶溶液中添加酶促进剂，酶促进剂包括磷酸氢钠30～50重量份和磷酸氢二钠50～70重量份；并且使果胶酶溶液的PH值维持在8～9范围内，果胶酶溶液的温度保持在[40℃，90℃]。此时制得二次加工蚕丝棉无纺布表面张力降低了，并且去除了棉纤维上的果胶，使二次加工蚕丝棉无纺布的亲水性提高。
进一步的，通过在去除二次加工蚕丝棉无纺布内棉纤维上的果胶后，再向果胶酶溶液中投入稳定剂和氧化剂，对小颗粒的蚕蛹尸体及棉籽壳进行脱色，增加外观美观度。
本蚕丝棉无纺布制备工艺的各处理工序基本不会对蚕丝纤维的蚕丝丝胶造成破坏，保留蚕丝丝胶，使制备得到的蚕丝棉无纺布具有抗菌性能。通过本蚕丝棉无纺布制备工艺制备得到的蚕丝棉无纺布触感柔顺，光泽度和清水性好，外观美观。
将通过本蚕丝棉无纺布制备工艺所制得的蚕丝棉无纺布用于制备卫生巾，使卫生巾具有抗菌性能。
说明书附图
图1为本蚕丝棉无纺布制备工艺的工序流程图。
具体实施方式
现结合附图和具体实施方式对本发明进一步说明。
实施例一：
本实施例公开一种蚕丝棉无纺布及蚕丝棉无纺布制备工艺，所述蚕丝无纺布包括以下重量份的原料制备而成：5～60重量份的蚕丝纤维和40～95重量份的棉纤维。所述蚕丝纤维无纺布表面的光泽度范围在2GS-50GS。
参考图1，上述蚕丝棉无纺布制备工艺，包括以下步骤：
步骤一、水刺处理工序，将5～60重量份的蚕丝纤维和40～95重量份的棉纤维混合均匀后，经过梳理、铺网以及水刺处理，制成一次加工蚕丝棉无纺布；
其中，蚕丝纤维成分包含蚕丝丝胶，具有天然的抑菌效果。蚕丝纤维的比例越高，抗菌效果越好。但蚕丝纤维的成本较棉纤维高，因此，综合考虑，在本具体实施例中，优选的，采用30重量份的蚕丝纤维和70重量份的棉纤维。
步骤二、降低一次加工蚕丝棉无纺布表面张力处理工序，包括以下子步骤：
步骤a、制备处理液，在水中添加茶皂素充分搅拌均匀后制得处理液，所述茶皂素在处理液中的质量-体积浓度为0.01％～1％；
步骤b、加热所述处理液至M1℃并保持，所述M1℃的取值区间为[40℃，150℃]；
步骤c、将所述步骤一制得的一次加工蚕丝棉无纺布完全浸泡在所述处理液中，并保持60min～120min，制得二次加工蚕丝棉无纺布。
通过步骤二降低一次加工蚕丝棉无纺布的表面张力制得二次加工蚕丝棉无纺布。更具体的说，是通过茶皂素降低蚕丝纤维和棉纤维的表面张力。所述茶皂素在处理液中的浓度越高，或者处理液的温度越高，都可以越快的降低蚕丝纤维和棉纤维的表面张力。处于成本以及处理时间以及后续果胶酶的最适宜温度考虑，因为处理液温度过高，则制得的二次加工蚕丝棉无纺布还需要冷却后才能投入后续工序。
综上条件，较为理想的实施方式是：
在步骤a中，所述茶皂素在处理液中的浓度为0.05％；
步骤b、加热所述处理液至50℃，果胶酶的最适温度在50℃左右；
步骤c、将所述步骤一制得的一次加工蚕丝棉无纺布完全浸泡在所述处理液中，并保持100min，制得二次加工蚕丝棉无纺布。
步骤三、去除杂质处理工序，包括以下子步骤：
步骤d、制备酶促进剂，所述酶促进剂包括30～50重量份磷酸氢钠和50～70重量份磷酸氢二钠；
所述酶促进剂的作用是用于调节果胶酶溶液的PH值，果胶酶溶液的PH值不应造成二次加工蚕丝棉无纺布的损坏，并在此条件下使果胶酶处于较为理想的活性状态。在本具体实施例中，采用40重量份份磷酸氢钠和60重量份磷酸氢二钠制备酶促进剂。
步骤e、制备果胶酶溶液，在水中添加果胶酶充分搅拌均匀后制得果胶酶溶液，所述果胶酶可以采用醛酸酶、醛酸裂解酶、果胶裂解酶、聚半乳糖醛酸酶、聚半乳糖醛酸裂解酶、果胶酸裂解酶、果胶酯酶或果胶酰基水解酶中的一种或者任意几种组合。
具体的，所述果胶酶在果胶酶溶液中的质量-体积浓度为0.01g/L～0.1g/L；其中在果胶酶溶液中的质量-体积浓度越高，则果胶酶分解棉纤维上果胶的速率越快。
步骤f、在所述步骤e制得的果胶酶溶液中添加所述步骤d制备的酶促进剂，直至所述果胶酶溶液的PH值维持在8～9范围内，不会造成二次加工蚕丝棉无纺布的损坏，并在此条件下使果胶酶处于较为理想的活性状态；
然后将制得的果胶酶溶液加热至M2℃并保持，所述M2℃的取值区间为[40℃，90℃]；
在本具体实施例中，将制得的果胶酶溶液加热至50℃，这样果胶酶的活性较佳。
步骤g、将上述二次加工蚕丝棉无纺布完全浸泡在所述步骤f制得的果胶酶溶液中作用20min～60min；
浸泡时间越久，棉纤维上的果胶酶分解越彻底。出于效率考虑，在本具体实施例中，优选的，所述二次加工蚕丝棉无纺布完全浸泡在所述步骤f制得的果胶酶溶液中作用30min。
步骤h、在所述步骤g制得的果胶酶溶液中添加稳定剂，所述稳定剂在果胶酶溶液中的质量-体积浓度为5g/L～20g/L；
所述稳定剂包括谷氨酸二乙酸四钠25～35重量份和丙烯酸树脂5～15重量份，余量为水。
所述稳定剂的作用是减慢后续步骤i中加入氧化剂的反应速率。
步骤i、将所述步骤h制备的果胶酶溶液加热至M3℃并保持，所述M3℃的取值区间为[50℃，120℃]；在本具体实施例中，优选的，果胶酶溶液保持在50℃。
然后在果胶酶溶液中加入氧化剂作用30min～60min；制备得到三次加工蚕丝棉无纺布。在本具体实施例中，所述氧化剂采用15％～30％浓度的双氧水，更具体的说，氧化剂采用20％浓度的双氧水。
通过投入稳定剂和氧化剂，对小颗粒的蚕蛹尸体及棉籽壳进行脱色，增加外观美观度。在果胶酶溶液中加入氧化剂作用的时间越长，脱色效果越好。
步骤四、冲洗烘干工序，将所述三次加工蚕丝棉无纺布表面施加酸性溶液中和后，用水经过多次冲洗；
最后放入烘干设备中烘干得到蚕丝棉无纺布。
在本具体实施例中，优选的，所述酸性溶液采用柠檬酸溶液，所述柠檬酸溶液中含有柠檬酸，所述柠檬酸在柠檬酸溶液中的质量-体积浓度为5g/L～20g/L。
通过本蚕丝棉无纺布制备工艺的各处理工序基本不会对蚕丝纤维的蚕丝丝胶造成破坏，保留蚕丝丝胶，使制备得到的蚕丝棉无纺布具有抗菌性能。本蚕丝棉无纺布制备工艺制备得到的蚕丝棉无纺布触感柔顺、光泽度和亲水性好，外观美观。通过KGZ-1A台式光泽度仪(测量角度为60°)检测本蚕丝棉无纺布成品的光泽度范围在2GS-50GS。
表一为通过本蚕丝棉无纺布制备工艺制得的蚕丝棉无纺布的大肠杆菌抑菌率试验结果：
Figure BDA0003172849080000081
Figure BDA0003172849080000091
表一
其中不加样片组即采用器皿培养大肠杆菌菌落；对照样品组采用现有的黏胶纤维水刺无纺布培养大肠杆菌菌落；样品组采用本实施例制备的蚕丝棉无纺布培养大肠杆菌菌落。
表二为通过本蚕丝棉无纺布制备工艺制得的蚕丝棉无纺布的金黄色葡萄球菌抑菌率试验结果：
Figure BDA0003172849080000092
Figure BDA0003172849080000101
表二
其中不加样片组即采用器皿培养金黄色葡萄球菌菌落；对照样品组采用现有的黏胶纤维水刺无纺布培养金黄色葡萄球菌菌落；样品组采用本实施例制备的蚕丝棉无纺布培养金黄色葡萄球菌菌落。
表三为通过本蚕丝棉无纺布制备工艺制得的蚕丝棉无纺布的白色念珠菌抑菌率试验结果：
Figure BDA0003172849080000102
表三
其中不加样片组即采用器皿培养白色念珠菌菌落；对照样品组采用现有的黏胶纤维水刺无纺布培养白色念珠菌菌落；样品组采用本实施例制备的蚕丝棉无纺布培养白色念珠菌菌落。
由上述表一、表二和表三可知，本蚕丝棉无纺布制备工艺制备得到的蚕丝棉无纺布具有明显的抑菌效果。
实施例二：
本实施例公开一种卫生巾，包括通过上述实施例一所公开的蚕丝棉无纺布制备工艺所制得的蚕丝棉无纺布。
具体的，卫生巾包括自上向下设置的表层无纺布、吸收芯层和防漏底膜，该结构为卫生巾的常规结构，在此不做详细赘述。所述表层无纺布采用上述实施例一所公开的蚕丝棉无纺布制备工艺所制得的蚕丝棉无纺布。
本卫生巾具有抗菌性能。
尽管结合优选实施方案具体展示和介绍了本发明，但所属领域的技术人员应该明白，在不脱离所附权利要求书所限定的本发明的精神和范围内，在形式上和细节上可以对本发明做出各种变化，均为本发明的保护范围。

Claims (8)

1.一种蚕丝棉无纺布，其特征在于，所述蚕丝无纺布包括以下重量份的原料制备而成：5～60重量份的蚕丝纤维和40～95重量份的棉纤维。
2.根据权利要求1所述的一种蚕丝棉无纺布，其特征在于：所述蚕丝纤维无纺布表面的光泽度范围在2GS-50GS。
3.蚕丝棉无纺布制备工艺，其特征在于，包括以下步骤：
步骤一、水刺处理工序，将5～60重量份的蚕丝纤维和40～95重量份的棉纤维混合均匀后，经过梳理、铺网以及水刺处理，制成一次加工蚕丝棉无纺布；
步骤二、降低一次加工蚕丝棉无纺布表面张力处理工序，包括以下子步骤：
步骤a、制备处理液，在水中添加茶皂素充分搅拌均匀后制得处理液，所述茶皂素在处理液中的浓度为0.01％～1％；
步骤b、加热所述处理液至M1℃并保持，所述M1℃的取值区间为[40℃，150℃]；
步骤c、将所述步骤一制得的一次加工蚕丝棉无纺布完全浸泡在所述处理液中，并保持60min～120min，制得二次加工蚕丝棉无纺布；
步骤三、去除杂质处理工序，包括以下子步骤：
步骤d、制备酶促进剂，所述酶促进剂包括30～50重量份磷酸氢钠和50～70重量份磷酸氢二钠；
步骤e、制备果胶酶溶液，在水中添加果胶酶充分搅拌均匀后制得果胶酶溶液，所述果胶酶在果胶酶溶液中的质量-体积浓度为0.01g/L～0.1g/L；
步骤f、在所述步骤e制得的果胶酶溶液中添加所述步骤d制备的酶促进剂，直至所述果胶酶溶液的PH值维持在8～9范围内；
然后将制得的果胶酶溶液加热至M2℃并保持，所述M2℃的取值区间为[40℃，90℃]；
步骤g、将上述二次加工蚕丝棉无纺布完全浸泡在所述步骤f制得的果胶酶溶液中作用20min～60min，制备得到三次加工蚕丝棉无纺布；
步骤四、冲洗烘干工序，将所述三次加工蚕丝棉无纺布表面施加酸性溶液中和后，用水经过多次冲洗；
最后放入烘干设备中烘干得到蚕丝棉无纺布成品。
4.根据权利要求3所述的蚕丝棉无纺布制备工艺，其特征在于，所述步骤三还包括以下步骤：
步骤h、在所述步骤g制得的果胶酶溶液中添加稳定剂，所述稳定剂在果胶酶溶液中的质量-体积浓度为5g/L～20g/L；
所述稳定剂包括谷氨酸二乙酸四钠25～35重量份和丙烯酸树脂5～15重量份，余量为水；
步骤i、将所述步骤h制备的果胶酶溶液加热至M3℃并保持，所述M3℃的取值区间为[50℃，120℃]；
然后在果胶酶溶液中加入氧化剂作用30min～60min；制备得到三次加工蚕丝棉无纺布。
5.根据权利要求3或4所述的蚕丝棉无纺布制备工艺，其特征在于：所述果胶酶采用醛酸酶、醛酸裂解酶、果胶裂解酶、聚半乳糖醛酸酶、聚半乳糖醛酸裂解酶、果胶酸裂解酶、果胶酯酶或果胶酰基水解酶中的一种或者任意几种组合。
6.根据权利要求5所述的蚕丝棉无纺布制备工艺，其特征在于：所述酸性溶液采用柠檬酸溶液，所述柠檬酸溶液中含有柠檬酸，所述柠檬酸在柠檬酸溶液中的质量-体积浓度为5g/L～20g/L。
7.根据权利要求6所述的蚕丝棉无纺布制备工艺，其特征在于：所述氧化剂为15％～30％浓度的双氧水。
8.一种卫生巾，其特征在于：包括通过上述权利要求3或4所述的蚕丝棉无纺布制备工艺所制得的蚕丝棉无纺布成品。
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