CN113100983A - 一种生物可降解的抗菌保健牙线及其生产工艺 - Google Patents

一种生物可降解的抗菌保健牙线及其生产工艺 Download PDF

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CN113100983A
CN113100983A CN202110331386.4A CN202110331386A CN113100983A CN 113100983 A CN113100983 A CN 113100983A CN 202110331386 A CN202110331386 A CN 202110331386A CN 113100983 A CN113100983 A CN 113100983A
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邵世忠
邵美琪
曲华
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Qingdao Gecheng Jingwei Biotechnology Co ltd
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Abstract

本发明属于口腔护理技术领域，涉及一种生物可降解的抗菌保健牙线及其生产工艺。采用海藻纤维这种全生物降解材料与长绒棉和胶原蛋白纤维混纺，形成一个紧密的网状结构，浸渍整理液使得丝蛋白填充纤维网络的空隙形成基体材料，提高力学性能；二次热拉伸和合股进一步改善了纤维的结构，增强纤维的抱合力，制备得到具有高强度、高刚度及高柔韧性特点的牙线，同时具有抗菌护龈的保健功能。

Description

一种生物可降解的抗菌保健牙线及其生产工艺
技术领域
本发明属于口腔护理技术领域，特别涉及一种生物可降解的抗菌保健牙线及其生产工艺。
背景技术
目前，口腔卫生健康越来越受到大众的关注，牙线作为牙刷的补充使用越来越广泛。单纯的刷牙只能清除约65％的菌斑，剩下35％的牙菌斑都在牙齿邻接面即牙缝中、部分牙龈缘下以及牙齿排列不齐造成的死角里藏着，容易引发龋病与牙周病。牙线的合理使用能有效地清洁牙刷毛所达不到的位置，是大众最常使用的清除邻面菌斑的方法，牙线已成为人们居家旅游不可缺少的生活必需品。
市场上的牙线主要是用尼龙线、丝线或涤沦线制成，均为化工原料，不易添加药物成分，只能起到单一的清洁作用。因牙线大多是一次性的，不可重复使用，现有的牙线基材不可生物降解，丢弃后长期堆积严重污染环境。而生物可降解的材质能起到节约能源和保护环境的双重效应，是近年来国内外研发的重点领域。
如CN111733474A提供了一种全生物降解牙线，主要采用聚乳酸这种生物降解塑料为原料，还添加了增韧剂、成核剂和抗菌剂，采用熔融纺丝工艺制备。CN206151612U提供一种抗菌蚕丝洁牙线，包括内外两层，内层由蚕丝纤维束、捻线丝或编织线构成，且纤维间由壳聚糖黏结，外层为壳聚糖膜。原料为生物级有机天然高分子材料，与人体接触有良好的亲和性，可自然降解，壳聚糖抗菌性能良好，对牙龈有保护作用。但牙线的成本较高，均需要额外添加抗菌剂，而且功能单一，不能在洁齿抗菌的同时起到保护牙龈组织的作用。
海藻纤维作为一种新型生物可降解再生纤维，本身具有抗菌除臭的性能，其资源丰富和优异的性能使其具有广阔的发展前景。
发明内容
为了克服现有技术的不足，本发明提供了一种生物可降解的抗菌保健牙线及其生产工艺，采用海藻纤维这种全生物降解材料与长绒棉和胶原蛋白纤维混纺，通过浸渍整理液和二次热拉伸工艺，制备得到具有高强度、高刚度及高柔韧性特点的牙线，同时具有抗菌护龈的保健功能。
为实现上述目的，本发明采取的技术方案为：
一种生物可降解的抗菌保健牙线的生产工艺，具体包括以下步骤：
(1)纺纱：将海藻纤维、长绒棉和胶原蛋白纤维经过混棉、清花、梳棉、并条、粗纱、细纱、自动络筒包装，混纺成30支海藻纱线；
纺纱车间温度达到20℃以上，湿度60-65％，
按照质量比，海藻纤维、长绒棉、胶原蛋白纤维的混纺比例为(10-20)％：(70-80)％：(5-10)％；
优选海藻纤维1.5D*38mm，长绒棉马克隆值4.2；
优选胶原蛋白纤维为壳聚糖改性胶原蛋白纤维，按照质量分数配比为胶原蛋白∶壳聚糖＝20:80；
(2)浸渍：将海藻纱线在30～60℃下浸渍于整理液中，浸渍时间为20～120分钟；
所述整理液的组分按重量份数为：
蛛丝蛋白，1～5，
烷基烯酮二聚体AKD，0.1～0.2，
有机硅高弹涂层胶，0.2-0.4，
其余量为水；
所述蛛丝蛋白为人造蜘蛛丝蛋白；
(3)二次热拉伸：将浸渍后的海藻纱线在20～100℃下热拉伸，拉伸倍数为1.1～1.6倍；
(4)合股：将5根热拉伸后的海藻纱线进行合股，达到875D，形成牙线主体；
(5)涂布：采用玉米淀粉和蜂蜡作为主原料，将调味薄荷、甜味剂糖精钠和中药成分按照重量比例7：3：1混合为辅料，将辅料加入到主原料中调制成质量浓度为5～20％的乳液状，在无尘环境下涂布在牙线主体上形成牙线强化层，在80℃以下的温度进行干燥处理后，经自动化绕线设备缠绕卷曲形成完整的牙线。
所述中药成分包括三七提取物、金银花提取物，能够有效抑制邻面菌斑滋生，同时有效保护受损的牙体组织，并一定程度上修复受损的牙体组织和维护牙周组织。
本发明中，纯天然胶原蛋白纤维材料一般不能完全满足人们实际生活的需要，纯度高的胶原蛋白纤维易发生降解，且纺出的丝强度太低。因此，本牙线基层采用壳聚糖改性胶原蛋白纤维，两者共混纺丝制得胶原蛋白纤维。
本发明中，海藻纤维、长绒棉纤维和胶原蛋白纤维一起混纺相互缠绕交织，形成一个紧密的网状结构，具有最高的抗拔性；浸渍整理液使得丝蛋白填充纤维网络的空隙形成基体材料，对纤维网络的粘结有效地抑制了纤维的滑动(滑移)和拔出，避免了应力下纤维的脆性断裂，阻碍了裂纹的扩展，大大提高力学性能；而高度取向的纤维又保证了拉伸强度，实现了强度韧性同时增强的效果。同时整理液中添加了烷基烯酮二聚体AKD和有机硅高弹涂层胶，提高了纤维的耐油和耐水性能，确保在潮湿时的坚固性。二次热拉伸和合股进一步改善了纤维的结构，增强纤维内部的抱合力，也增强纤维与纤维之间的抱合作用，得到高柔韧性和高断裂强度的纤维。
与现有技术相比，本发明具有如下有益效果：本发明制备的牙线具有高强度、高刚度及高柔韧性的特点；采用海藻纤维、长绒棉和蛛丝蛋白都是生物可降解的材料，绿色环保；该牙线中添加有中药成分，洁齿的同时抑菌护龈；且海藻纤维具有天然抑菌的特性，在使用中安全抗菌，使用后丢弃不会造成二次污染。
具体实施方式
下面将结合本发明的实施例，对本发明中的技术方案进行清楚、完整地描述。
实施例1
一种生物可降解的抗菌保健牙线的生产工艺，具体包括以下步骤：
(1)纺纱：将海藻纤维、长绒棉和胶原蛋白纤维经过混棉、清花、梳棉、并条、粗纱、细纱、自动络筒包装，混纺成30支海藻纱线；
纺纱车间温度达到20℃以上，湿度60-65％，
按照质量比，海藻纤维、长绒棉、胶原蛋白纤维的混纺比例为(10-20)％：(70-80)％：(5-10)％；
海藻纤维1.5D*38mm，长绒棉马克隆值4.2，
胶原蛋白纤维为壳聚糖改性胶原蛋白纤维，按照质量分数配比为胶原蛋白∶壳聚糖＝20:80；
(2)浸渍：将海藻纱线在30～60℃下浸渍于整理液中，浸渍时间为20～120分钟；
所述整理液的组分按重量份数为：
蛛丝蛋白，1～5，
烷基烯酮二聚体AKD，0.1～0.2，
有机硅高弹涂层胶，0.2-0.4，
其余量为水；
所述蛛丝蛋白为人造蜘蛛丝蛋白；
(3)二次热拉伸：将浸渍后的海藻纱线在20～100℃下热拉伸，拉伸倍数为1.1～1.6倍；
(4)合股：将5根热拉伸后的海藻纱线进行合股，达到875D，形成牙线主体；
(5)涂布：采用玉米淀粉和蜂蜡作为主原料，将调味薄荷、甜味剂糖精钠和中药成分按照重量比例7：3：1混合为辅料，将辅料加入到主原料中调制成质量浓度为5～20％的乳液状，在无尘环境下涂布在牙线主体上形成牙线强化层，在80℃以下的温度进行干燥处理后，经自动化绕线设备缠绕卷曲形成完整的牙线。
所述中药成分包括三七提取物、金银花提取物，能够有效抑制邻面菌斑滋生，同时有效保护受损的牙体组织，并一定程度上修复受损的牙体组织和维护牙周组织。
上述工艺制备得到的牙线为细圆线型，依据国家标准GB/T 3916-2013纺织品卷装纱单根纱线断裂强力和断裂伸长率的测定(CRE法)，测定纱线单纱强力300-350cn，牙线基线强力1200-1500cn，加入辅料后强力1500-1800cn。
实施例2
同实施例1，不浸渍整理液，直接进行二次热拉伸，得到牙线为细圆线型，纱线单纱强力260cn，牙线基线强力1000cn，加入辅料后强力1200cn。

Claims (5)

1.一种生物可降解的抗菌保健牙线的生产工艺，其特征在于，具体包括以下步骤：
(1)纺纱：将海藻纤维、长绒棉和胶原蛋白纤维经过混棉、清花、梳棉、并条、粗纱、细纱、自动络筒包装，混纺成30支海藻纱线；
按照质量比，海藻纤维、长绒棉、胶原蛋白纤维的混纺比例为(10-20)％：(70-80)％：(5-10)％；
(2)浸渍：将海藻纱线在30～60℃下浸渍于整理液中，浸渍时间为20～120分钟；
所述整理液的组分按重量份数为：
蛛丝蛋白，1～5，
烷基烯酮二聚体AKD，0.1～0.2，
有机硅高弹涂层胶，0.2-0.4，
其余量为水；
(3)二次热拉伸：将浸渍后的海藻纱线在20～100℃下热拉伸，拉伸倍数为1.1～1.6倍；
(4)合股：将5根热拉伸后的海藻纱线进行合股，达到875D，形成牙线主体；
(5)涂布：采用玉米淀粉和蜂蜡作为主原料，将调味薄荷、甜味剂糖精钠和中药成分按照重量比例7：3：1混合为辅料，将辅料加入到主原料中调制成质量浓度为5～20％的乳液状，在无尘环境下涂布在牙线主体上形成牙线强化层，在80℃以下的温度进行干燥处理后，经自动化绕线设备缠绕卷曲形成完整的牙线。
2.根据权利要求1所述的一种生物可降解的抗菌保健牙线的生产工艺，其特征在于，步骤(1)纺纱车间温度达到20℃以上，湿度60-65％，
海藻纤维1.5D*38mm，长绒棉马克隆值4.2，胶原蛋白纤维为壳聚糖改性胶原蛋白纤维，按照质量分数配比为胶原蛋白∶壳聚糖＝20:80。
3.根据权利要求1所述的一种生物可降解的抗菌保健牙线的生产工艺，其特征在于，所述蛛丝蛋白为人造蜘蛛丝蛋白。
4.根据权利要求1所述的一种生物可降解的抗菌保健牙线的生产工艺，其特征在于，中药成分包括三七提取物、金银花提取物。
5.权利要求1-4任一所述的工艺制备得到的生物可降解的抗菌保健牙线。
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