CN108589035A - 一种高耐裂无纺布 - Google Patents

一种高耐裂无纺布 Download PDF

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CN108589035A
CN108589035A CN201810650071.4A CN201810650071A CN108589035A CN 108589035 A CN108589035 A CN 108589035A CN 201810650071 A CN201810650071 A CN 201810650071A CN 108589035 A CN108589035 A CN 108589035A
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张德满
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Hefei Jen Nuo Medical Supplies Co Ltd
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Abstract

本发明公开了一种高耐裂无纺布，其原料按重量份包括：黄麻纤维37‑50份、聚醋酸乙烯树脂24‑35份、椰壳纤维8.5‑13份、温石棉21.5‑25.5份、玉米纤维2‑8份、海藻提取物3‑7.5份、粘合剂2.5‑5份、硅油1‑4份、阻燃剂1.5‑3份。本发明具有优异的耐裂性能。

Description

一种高耐裂无纺布
技术领域
本发明涉及无纺布，具体涉及一种高耐裂无纺布。
背景技术
手术衣根据使用情况主要分为重复性使用手术衣和一次性手术衣。重复使用手术衣主要选用材质为普通棉织物、高密度聚酯纤维织物及PE、TPU、PTFE多层贴合膜复合手术衣。一次性手术衣主要为SMS\SMMS手术衣为主，SMS或SMMS无纺布手术衣，加强片为无纺布复合材料。
现有的无纺布手术衣的耐裂性能不高，不能满足市场的需求。
发明内容
基于背景技术存在的技术问题，本发明提出了一种高耐裂无纺布。本发明具有优异的耐裂性能。
本发明提出的一种高耐裂无纺布，其原料按重量份包括：黄麻纤维37-50份、聚醋酸乙烯树脂24-35份、椰壳纤维8.5-13份、温石棉21.5-25.5份、玉米纤维2-8份、海藻提取物3-7.5份、粘合剂2.5-5份、硅油1-4份、阻燃剂1.5-3份。
优选地，所述聚醋酸乙烯树脂为改性聚醋酸乙烯树脂，所述改性聚醋酸乙烯树脂的制备方法为：将碳纳米管、纳米硅、硅灰石纤维与聚醋酸乙烯树脂混合均匀，进行剪切搅拌，得到改性聚醋酸乙烯树脂。
优选地，所述剪切搅拌的温度为160-180℃。
优选地，所述剪切搅拌的时间为1-1.5h。
优选地，所述剪切搅拌的速度为4000-5000r/min。
优选地，所述海藻提取物的质量分数为50-75wt％。
优选地，所述阻燃剂为纳米阻燃剂。
本发明可按照常规方法进行制备。
本发明的原料包括：黄麻纤维、聚醋酸乙烯树脂、椰壳纤维、温石棉、玉米纤维、海藻提取物、粘合剂、硅油、阻燃剂，且在优选方案中，在高温剪切的作用下，采用碳纳米管、纳米硅、硅灰石纤维对聚醋酸乙烯树脂进行复合改性，随着温度的升高，碳纳米管形成拉伸方向的纤维，与硅灰石纤维逐渐在聚醋酸乙烯树脂内部形成紧密的交联网络结构，并以桥接方式抑制裂缝扩展，延长本发明的疲劳寿命，而纳米硅与聚醋酸乙烯树脂在网络层间分布，两者具有协效作用，能够进一步提高其抗剪切强度，同时纳米硅分散于聚醋酸乙烯树脂中具有增黏作用，能够降低本发明的拉伸延展性，进一步提高本发明的抗裂性。本发明中添加黄麻纤维、椰壳纤维与聚醋酸乙烯树脂配合，能够进一步优化本发明的耐裂性能，同时增强本发明的韧性；添加温石棉与硅油配合作用，能够提高本发明的保温和透气性能；添加海藻提取物与玉米纤维配合作用，能够提升本发明的抗菌性能。
具体实施方式
下面，通过具体实施例对本发明的技术方案进行详细说明。
实施例1
一种高耐裂无纺布，其原料按重量份包括：黄麻纤维37份、聚醋酸乙烯树脂35份、椰壳纤维8.5份、温石棉25.5份、玉米纤维2份、海藻提取物7.5份、粘合剂2.5份、硅油4份、阻燃剂1.5份。
实施例2
一种高耐裂无纺布，其原料按重量份包括：黄麻纤维50份、聚醋酸乙烯树脂24份、椰壳纤维13份、温石棉21.5份、玉米纤维8份、海藻提取物3份、粘合剂5份、硅油1份、阻燃剂3份；
其中，所述聚醋酸乙烯树脂为改性聚醋酸乙烯树脂，所述改性聚醋酸乙烯树脂的制备方法为：将碳纳米管、纳米硅、硅灰石纤维与聚醋酸乙烯树脂混合均匀，进行剪切搅拌，得到改性聚醋酸乙烯树脂。
实施例3
一种高耐裂无纺布，其原料按重量份包括：黄麻纤维45份、聚醋酸乙烯树脂30份、椰壳纤维10份、温石棉23份、玉米纤维5份、海藻提取物5.5份、粘合剂4份、硅油3份、阻燃剂2.5份；
其中，所述聚醋酸乙烯树脂为改性聚醋酸乙烯树脂，所述改性聚醋酸乙烯树脂的制备方法为：将碳纳米管、纳米硅、硅灰石纤维与聚醋酸乙烯树脂混合均匀，进行剪切搅拌，得到改性聚醋酸乙烯树脂；
所述剪切搅拌的温度为170℃；
所述剪切搅拌的时间为1.2h；
所述剪切搅拌的速度为4500r/min；
所述海藻提取物的质量分数为60wt％；
所述阻燃剂为纳米阻燃剂。
实施例4
一种高耐裂无纺布，其原料按重量份包括：黄麻纤维40份、聚醋酸乙烯树脂27份、椰壳纤维9份、温石棉22份、玉米纤维4份、海藻提取物4份、粘合剂3份、硅油2份、阻燃剂2份；
其中，所述聚醋酸乙烯树脂为改性聚醋酸乙烯树脂，所述改性聚醋酸乙烯树脂的制备方法为：将碳纳米管、纳米硅、硅灰石纤维与聚醋酸乙烯树脂混合均匀，进行剪切搅拌，得到改性聚醋酸乙烯树脂；
所述剪切搅拌的温度为160℃；
所述剪切搅拌的时间为1.5h；
所述剪切搅拌的速度为4000r/min；
所述海藻提取物的质量分数为75wt％；
所述阻燃剂为纳米阻燃剂。
实施例5
一种高耐裂无纺布，其原料按重量份包括：黄麻纤维48份、聚醋酸乙烯树脂33份、椰壳纤维12份、温石棉24份、玉米纤维7份、海藻提取物6.5份、粘合剂4.5份、硅油3.5份、阻燃剂2.8份；
其中，所述聚醋酸乙烯树脂为改性聚醋酸乙烯树脂，所述改性聚醋酸乙烯树脂的制备方法为：将碳纳米管、纳米硅、硅灰石纤维与聚醋酸乙烯树脂混合均匀，进行剪切搅拌，得到改性聚醋酸乙烯树脂；
所述剪切搅拌的温度为180℃；
所述剪切搅拌的时间为1h；
所述剪切搅拌的速度为5000r/min；
所述海藻提取物的质量分数为50wt％；
所述阻燃剂为纳米阻燃剂。
对比例1
一种无纺布，其原料按重量份包括：黄麻纤维48份、聚醋酸乙烯树脂33份、椰壳纤维12份、温石棉24份、玉米纤维7份、海藻提取物6.5份、粘合剂4.5份、硅油3.5份、阻燃剂2.8份；
其中，所述海藻提取物的质量分数为50wt％；
所述阻燃剂为纳米阻燃剂。
试验例1
分别对实施例5、对比例1制成的无纺布以及市面上的无纺布进行耐裂性能测试，依次记为试验组和对照组1-2；测试结果如下表：
项目 裂缝条数 裂缝面积/mm2
试验组 1 30
对照组1 8 450
对照组2 12 580
由上表可以看出，对聚醋酸乙烯树脂进行改性后，能够有效提高本发明的耐裂性，且本发明的耐裂性能远优于市面上的无纺布。
以上所述，仅为本发明较佳的具体实施方式，但本发明的保护范围并不局限于此，任何熟悉本技术领域的技术人员在本发明揭露的技术范围内，根据本发明的技术方案及其发明构思加以等同替换或改变，都应涵盖在本发明的保护范围之内。

Claims (7)

1.一种高耐裂无纺布，其特征在于，其原料按重量份包括：黄麻纤维37-50份、聚醋酸乙烯树脂24-35份、椰壳纤维8.5-13份、温石棉21.5-25.5份、玉米纤维2-8份、海藻提取物3-7.5份、粘合剂2.5-5份、硅油1-4份、阻燃剂1.5-3份。
2.根据权利要求1所述高耐裂无纺布，其特征在于，所述聚醋酸乙烯树脂为改性聚醋酸乙烯树脂，所述改性聚醋酸乙烯树脂的制备方法为：将碳纳米管、纳米硅、硅灰石纤维与聚醋酸乙烯树脂混合均匀，进行剪切搅拌，得到改性聚醋酸乙烯树脂。
3.根据权利要求2所述高耐裂无纺布，其特征在于，所述剪切搅拌的温度为160-180℃。
4.根据权利要求2所述高耐裂无纺布，其特征在于，所述剪切搅拌的时间为1-1.5h。
5.根据权利要求2所述高耐裂无纺布，其特征在于，所述剪切搅拌的速度为4000-5000r/min。
6.根据权利要求1所述高耐裂无纺布，其特征在于，所述海藻提取物的质量分数为50-75wt％。
7.根据权利要求1所述高耐裂无纺布，其特征在于，所述阻燃剂为纳米阻燃剂。
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* Cited by examiner, † Cited by third party
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US20060225952A1 (en) * 2003-08-25 2006-10-12 Akira Takayasu Sound absorbing material
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Application publication date: 20180928