CN105803673A - 茶多酚纤维素纤维水刺无纺布及其生产工艺 - Google Patents

茶多酚纤维素纤维水刺无纺布及其生产工艺 Download PDF

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CN105803673A
CN105803673A CN201610347050.6A CN201610347050A CN105803673A CN 105803673 A CN105803673 A CN 105803673A CN 201610347050 A CN201610347050 A CN 201610347050A CN 105803673 A CN105803673 A CN 105803673A
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黄福金
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Abstract

本发明涉及水刺无纺布技术领域，尤其是一种茶多酚纤维素纤维水刺无纺布及其生产工艺。一种茶多酚纤维素纤维水刺无纺布，包括多功能无纺布共混纤维，多功能无纺布纤维的直径为1.2～ 8.0μm，纤度为0.7～3.6dtex，所述多功能无纺布纤维由天丝Tencel、粘胶纤维Viscose和莫代尔Modal等纤维素纤维为主纤维，加上98%以上纯度的茶多酚纳米级萃取提取物和吸湿导汗抗菌剂。这种茶多酚纤维素纤维水刺无纺布及其生产工艺，生产出的无纺布，其直径为1.2～8.0μm纤度为0.7～3.6dtex，该共混纤维无纺布具有超强吸水能力，是普通纤维素纤维的2.5倍以上，锁水保湿能力强，保湿周期是普通纤维素纤维的3倍以上。

Description

茶多酚纤维素纤维水刺无纺布及其生产工艺
技术领域
本发明涉及水刺无纺布技术领域，尤其是一种茶多酚纤维素纤维水刺无纺布及其生产工艺。
背景技术
无纺布可以应用于高档的单次性吸收物品的表层材料、美容面膜基材等卫生材料用品领域，但是目前的无纺布生产技术锁水保湿能力差、吸湿效率低、导汗能力差、抗菌能力差、抗过敏能力差并且不具有消炎效果。
发明内容
为了克服现有的无纺布使用效果差的不足，本发明提供了一种茶多酚纤维素纤维水刺无纺布及其生产工艺。
本发明解决其技术问题所采用的技术方案是：一种茶多酚纤维素纤维水刺无纺布，包括多功能无纺布共混纤维，多功能无纺布纤维的直径为1.2～8.0μm，纤度为0.7～3.6dtex，所述多功能无纺布纤维由天丝Tencel、粘胶纤维Viscose和莫代尔Modal等纤维素纤维为主纤维，加上98%以上纯度的茶多酚纳米级萃取提取物和吸湿导汗抗菌剂。
根据本发明的另一个实施例，进一步包括，所述多功能无纺布纤维素纤维的加权平均直径1.38μm，纤度平均为1.678dtex。
一种茶多酚纤维素纤维水刺无纺布的生产工艺，
a、原料加工；将纤维素纤维：天丝Tencel、粘胶纤维Viscose和莫代尔Modal按20-50%:20-30%:20-50%进行共混，混合为一种导流锁湿、高模量、湿强高的纤维素纤维，吸湿及模量比例比单品及单规格纤维提高15-22%；
b、辅料加工；将98%浓度的纯天然萃取的纳米级茶多酚溶剂或粉剂和无机抗菌剂和环保食品级助湿剂按比例进行初混，质量配比为：茶多酚93-95份，无机抗菌剂3-5份，锁湿剂1-2份；
c、将混合好的多功能纤维素纤维进行精开松，梳理并杂乱形成无纺布纤维网；
d、对全交叉折叠的纤维棉网进行水刺预刺预湿，所用水针的针板规格为0.8-1.1mm高密度锯齿型进口水针板，预湿圆鼓的衬网为cp105开孔率17%锥形网，初加工成有一定强度、克重均匀的水刺无纺布纤网；
e、将预湿后的无纺布纤维网进行360度全维度水刺固结，共11道水刺工序，水刺压力成螺旋式梯度逐步增加；在水刺工序的最后一道通过高压水刺打孔技术，形成每平方厘米无纺布布面同时成形时平均分布60个导流孔；
f、将初混好的茶多酚混合料溶解在100°C的纯净水中，并保证溶液的水温处于恒温状态（工作温度不低于80°C），同时将完全固结好的水刺无纺布进行水浴法加工，使无纺布匀速工作，均匀吸附溶液中的茶多酚功能药体；
g、对完成水刺和吸附的功能性无纺布进行烘干加温，第一步是圆筒烘澡，对布面进行表层干燥，烘燥的温度从80-150°C按梯度加温；第二步是箱式穿透干燥工艺，完成茶多酚对纤维从表层到纤维内芯的逆萃取工序；第三步复转式圆筒烘燥，干燥温度从高温逐步降低至常温，无纺布的含水湿度8.354%-10.148%。
本发明的有益效果是，这种茶多酚纤维素纤维水刺无纺布及其生产工艺，生产出的无纺布，其直径为1.2～8.0μm纤度为0.7～3.6dtex，该共混纤维无纺布具有超强吸水能力，是普通纤维素纤维的2.5倍以上，锁水保湿能力强，保湿周期是普通纤维素纤维的3倍以上，并且该无纺布将天然萃取的纳米级茶多酚和无机盐复合抗菌剂，在生产制作水刺无纺布时加入纤维网内制成高效吸湿、导汗抗菌、抗过敏及消炎的产品。
具体实施方式
一种茶多酚纤维素纤维水刺无纺布，包括多功能无纺布共混纤维，多功能无纺布纤维的直径为1.2～8.0μm，纤度为0.7～3.6dtex，所述多功能无纺布纤维由天丝Tencel、粘胶纤维Viscose和莫代尔Modal等纤维素纤维为主纤维，加上98%以上纯度的茶多酚纳米级萃取提取物和吸湿导汗抗菌剂。
根据本发明的另一个实施例，进一步包括，所述多功能无纺布纤维素纤维的加权平均直径1.38μm，纤度平均为1.678dtex。
一种茶多酚纤维素纤维水刺无纺布的生产工艺，
a、原料加工；将纤维素纤维：天丝Tencel、粘胶纤维Viscose和莫代尔Modal按20-50%:20-30%:20-50%进行共混，混合为一种导流锁湿、高模量、湿强高的纤维素纤维，吸湿及模量比例比单品及单规格纤维提高15-22%；
b、辅料加工；将98%浓度的纯天然萃取的纳米级茶多酚溶剂或粉剂和无机抗菌剂和环保食品级助湿剂按比例进行初混，质量配比为：茶多酚93-95份，无机抗菌剂3-5份，锁湿剂1-2份；
c、将混合好的多功能纤维素纤维进行精开松，梳理并杂乱形成无纺布纤维网；
d、对全交叉折叠的纤维棉网进行水刺预刺预湿，所用水针的针板规格为0.8-1.1mm高密度锯齿型进口水针板，预湿圆鼓的衬网为cp105开孔率17%锥形网，初加工成有一定强度、克重均匀的水刺无纺布纤网；
e、将预湿后的无纺布纤维网进行360度全维度水刺固结，共11道水刺工序，水刺压力成螺旋式梯度逐步增加；在水刺工序的最后一道通过高压水刺打孔技术，形成每平方厘米无纺布布面同时成形时平均分布60个导流孔；
f、将初混好的茶多酚混合料溶解在100°C的纯净水中，并保证溶液的水温处于恒温状态（工作温度不低于80°C），同时将完全固结好的水刺无纺布进行水浴法加工，使无纺布匀速工作，均匀吸附溶液中的茶多酚功能药体；
g、对完成水刺和吸附的功能性无纺布进行烘干加温，第一步是圆筒烘澡，对布面进行表层干燥，烘燥的温度从80-150°C按梯度加温；第二步是箱式穿透干燥工艺，完成茶多酚对纤维从表层到纤维内芯的逆萃取工序；第三步复转式圆筒烘燥，干燥温度从高温逐步降低至常温，无纺布的含水湿度8.354%-10.148%。
超干湿度8.354%的产品物理机械性能指标见下表一：
表一
实施例一：超干湿度8.354%配方一物理机械性能指标见下表二；
表二
实施例二：超干湿度8.354%配方二物理机械性能指标见下表三；
表三
实施例三：超干湿度8.354%配方三物理机械性能指标见下表四；
表四
平均湿度10.148%的产品物理机械性能指标见下表五：
表五
实施例四：平均湿度10.148%配方一物理机械性能指标见下表六；
表六
实施例五：平均湿度10.148%配方二物理机械性能指标见下表七；
表七
实施例六：平均湿度10.148%配方三物理机械性能指标见下表八；

Claims (3)

1.一种茶多酚纤维素纤维水刺无纺布，包括多功能无纺布共混纤维，其特征是，多功能无纺布纤维的直径为1.2～8.0μm，纤度为0.7～3.6dtex，所述多功能无纺布纤维由天丝Tencel、粘胶纤维Viscose和莫代尔Modal等纤维素纤维为主纤维，加上98%以上纯度的茶多酚纳米级萃取提取物和吸湿导汗抗菌剂。
2.根据权利要求1所述的茶多酚纤维素纤维水刺无纺布，其特征是，所述多功能无纺布纤维素纤维的加权平均直径1.38μm，纤度平均为1.678dtex。
3.一种制造权利要求1或2所述的茶多酚纤维素纤维水刺无纺布的生产工艺，其特征是，
a、原料加工；将纤维素纤维：天丝Tencel、粘胶纤维Viscose和莫代尔Modal按20-50%:20-30%:20-50%进行共混，混合为一种导流锁湿、高模量、湿强高的纤维素纤维，吸湿及模量比例比单品及单规格纤维提高15-22%；
b、辅料加工；将98%浓度的纯天然萃取的纳米级茶多酚溶剂或粉剂和无机抗菌剂和环保食品级助湿剂按比例进行初混，质量配比为：茶多酚93-95份，无机抗菌剂3-5份，锁湿剂1-2份；
c、将混合好的多功能纤维素纤维进行精开松，梳理并杂乱形成无纺布纤维网；
d、对全交叉折叠的纤维棉网进行水刺预刺预湿，所用水针的针板规格为0.8-1.1mm高密度锯齿型进口水针板，预湿圆鼓的衬网为cp105开孔率17%锥形网，初加工成有一定强度、克重均匀的水刺无纺布纤网；
e、将预湿后的无纺布纤维网进行360度全维度水刺固结，共11道水刺工序，水刺压力成螺旋式梯度逐步增加；在水刺工序的最后一道通过高压水刺打孔技术，形成每平方厘米无纺布布面同时成形时平均分布60个导流孔；
f、将初混好的茶多酚混合料溶解在100°C的纯净水中，并保证溶液的水温处于恒温状态（工作温度不低于80°C），同时将完全固结好的水刺无纺布进行水浴法加工，使无纺布匀速工作，均匀吸附溶液中的茶多酚功能药体；
g、对完成水刺和吸附的功能性无纺布进行烘干加温，第一步是圆筒烘澡，对布面进行表层干燥，烘燥的温度从80-150°C按梯度加温；第二步是箱式穿透干燥工艺，完成茶多酚对纤维从表层到纤维内芯的逆萃取工序；第三步复转式圆筒烘燥，干燥温度从高温逐步降低至常温，无纺布的含水湿度8.354%-10.148%。
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