CN106835498A - 含抗菌竹浆的可冲散可降解干湿巾用无纺布 - Google Patents

含抗菌竹浆的可冲散可降解干湿巾用无纺布 Download PDF

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CN106835498A
CN106835498A CN201710096394.9A CN201710096394A CN106835498A CN 106835498 A CN106835498 A CN 106835498A CN 201710096394 A CN201710096394 A CN 201710096394A CN 106835498 A CN106835498 A CN 106835498A
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饶玉黔
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Jiangsu coli Nonwovens Technology Co., Ltd.
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Kunshan Kelilong Nonwovens Co Ltd
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Abstract

本发明公开了一种含抗菌竹浆的可冲散可降解干湿巾用无纺布，该无纺布是由包括85～50wt.％的本色抗菌竹浆料和15～50wt.％的超短纤维混合后依次经成网、水刺复合形成的单层无纺布；或包括由本色抗菌竹浆形成的本色抗菌竹浆层和由超短纤维浆形成的超短纤维层经水刺复合形成的两层或两层以上的无纺布。该无纺布具有天然抗菌性、干态下手感柔软、亲肤性良好，且不易掉毛，具有单层、两层或三层多种结构，且冲散性优异。

Description

含抗菌竹浆的可冲散可降解干湿巾用无纺布
技术领域
本发明涉及一种无纺布，尤其涉及一种含抗菌竹浆的可冲散可降解干湿巾用无纺布，属于环保型无纺布技术领域。
背景技术
无纺布湿巾主要用于母婴、成人、老年人日常清洁与护理以及医疗清洁等领域，其需求量在全球市场上以每年10％的速度增长，前景十分广阔。其中可冲散可降解型湿巾由于用完后可以直接扔在马桶中被冲散而不会堵住下水管道，且在使用中清洁更彻底，不会产生异味，环保安全，还能降解，减少垃圾处理，可以用来替代传统的卫生卷纸，因此得到广泛关注。
目前国外内最常用的可冲散可降解干湿巾用无纺布的工艺主要有以下几种：气流成网离子/非离子触发式无纺布，上述两种无纺布都是由白色针叶绒毛浆成网后在线添加特种粘合剂然后烘干形成的；由78％的漂白色针叶木浆、20％的天丝纤维和2％的复合纤维由湿法成网后再经水刺工艺形成的无纺布，比如Hydraspun无纺布是将非织造布采用湿法成网和梳理成网的复合成网方式，然后再经由湿法成网后水刺固结烘干形成；由75～80％漂白色针叶木浆、25～20％兰精天丝超短纤维由湿法成网后水刺后烘干形成；由45～55％漂白色针叶木浆和55～45％的德国扁平粘胶超短纤维采用湿法成网后水刺后烘干形成。但目前市场上销售的上述产品均不具有天然抗菌性，当处于干态时的手感较硬，且容易掉毛；此外当前市场上的可冲散型无纺布大多为单层，几乎没有冲散性优良的两层或三层以上产品，此外现有产品制作的成本较高从而导致售价也偏高，因此不利于大批量的推广与普及。
发明内容
为解决上述技术问题，本发明提供了一种含抗菌竹浆的可冲散可降解干湿巾用无纺布，该无纺布具有天然抗菌性、干态下手感柔软、亲肤性良好，且不易掉毛，具有单层、两层或三层多种结构，且冲散性优异。
本发明的技术方案是：
一种含抗菌竹浆的可冲散可降解干湿巾用无纺布，所述无纺布是
由包括85～50wt.％的本色抗菌竹浆料和15～50wt.％的超短纤维混合后依次经成网、水刺复合形成的单层无纺布；或
包括由本色抗菌竹浆形成的本色抗菌竹浆层和由超短纤维浆形成的超短纤维层经水刺复合形成的两层或两层以上的无纺布。
其进一步的技术方案是：
所述本色抗菌竹浆由70～20wt.％的本色针叶浆、白色针叶浆和本色阔叶浆中的至少一种与30～80wt.％的纯本色抗菌竹浆混合形成的，且所述超短纤维浆中的超短纤维的长度为5～20mm，优选为5～10mm。
所述超短纤维为天丝超短纤维、粘胶超短纤维或超短棉绒纤维。
本发明所述含抗菌竹浆的可冲散可降解干湿巾用无纺布的结构优选为：
(1)本色抗菌竹浆+天丝超短纤维混合后形成的单层无纺布；
(2)本色抗菌竹浆+粘胶超短纤维混合后形成的单层无纺布；
(3)本色抗菌竹浆+ES超短纤维混合后形成的单层无纺布；
(4)本色抗菌竹浆+含超短棉绒纤维的棉浆混合后形成的单层无纺布；
(5)本色抗菌竹浆层+天丝超短纤维层叠加后形成的双层复合无纺布；
(6)本色抗菌竹浆层+粘胶超短纤维层叠加后形成的双层复合无纺布；
(7)本色抗菌竹浆层+含超短棉绒纤维棉浆层叠加后形成的双层复合无纺布；
(8)本色抗菌竹浆层+天丝超短纤维层+粘胶超短纤维层叠加后形成的三层复合无纺布；
(9)天丝超短纤维层+本色抗菌竹浆层+天丝超短纤维层叠加后形成的三层复合无纺布；
(10)粘胶超短纤维层+本色抗菌竹浆层+粘胶超短纤维层叠加后形成的三层复合无纺布；
(11)含超短棉绒纤维棉浆层+本色抗菌竹浆层+含超短棉绒纤维棉浆层叠加后形成的三层复合无纺布；
(12)含超短棉绒纤维棉浆层+本色抗菌竹浆层+天丝超短纤维层叠加后形成的三层复合无纺布；
(13)含超短棉绒纤维棉浆层+本色抗菌竹浆层+粘胶超短纤维层叠加后形成的三层复合无纺布。
所述单层无纺布的成网方式为干法气流成网方式或湿法成网方式。
所述两层或两层以上无纺布的成网方式为湿法斜网成网或干法气流成网。
所述无纺布的表面设有平纹、压花、印花、水刺3D提花和起皱纹路。
本发明的有益技术效果是：与现有技术相比，本申请的优势体现在下述几点：(1)现有技术中使用的针叶长纤维木浆需要经过漂白处理，通常需要从国外进口，自身不具有抗菌性能，而本申请中使用的本色竹浆中含有天然物质“竹鲲”，其具有抗菌、抑菌、高透气性、瞬间吸水性、无尘屑、除螨、防臭和抗紫外线功能，不需要添加大量的干强剂、漂白剂、柔韧剂，环保安全；(2)不同性能的组合产品非常多，有单层结构的产品、两层结构的产品甚至是三层结构的产品，而现有技术中都是单层纤维混合后湿法斜网成型再水刺工艺固结，本申请中采用水刺复合加工法，不加任何化学粘合剂，天丝与粘胶纤维含量比同行低。该无纺布使用不漂白的具有天然抗菌性的竹浆替代进口漂白的针叶浆，环保安全且成品降低；减少了天丝与扁平粘胶在无纺布中所占的含量；该无纺布产品比现有产品在干态下的柔软度、亲肤性和吸收性均有大幅度的提升，性价比更高，且单层、两层甚至三层均具有良好的可冲散性和可完全降解性。
具体实施方式
为了能够更清楚了解本发明的技术手段，并可依照说明书的内容予以实施，下面结合具体实施例，对本发明的具体实施方式作进一步详细描述，以下实施例用于说明本发明，但不用来限制本发明的范围。
本发明公开了一种含抗菌竹浆的可冲散可降解干湿巾用无纺布，该无纺布是由包括85～50wt.％的本色抗菌竹浆料和15～50wt.％的超短纤维混合后依次经成网、水刺复合形成的单层无纺布；或包括由本色抗菌竹浆形成的本色抗菌竹浆层和由超短纤维浆形成的超短纤维层经水刺复合形成的两层或两层以上的无纺布。其中所述本色抗菌竹浆由70～20wt.％的本色针叶浆、白色针叶浆和本色阔叶浆中的至少一种与30～80wt.％的纯本色抗菌竹浆混合形成的；且所述超短纤维浆中的超短纤维的长度为5～20mm，优选为5～10mm，该超短纤维为天丝超短纤维、粘胶超短纤维或超短棉绒纤维。其中所述单层无纺布的成网方式为干法气流成网方式或湿法成网方式；两层或两层以上无纺布的成网方式为湿法斜网成网或干法气流成网。本发明所述的无纺布表面设有平纹、压花、印花、水刺3D提花和起皱纹路。
本发明中上述含抗菌竹浆的可冲散可降解干湿巾用无纺布的结构可以为下述几种，但并不限于下述几种：
(1)本色抗菌竹浆+天丝超短纤维混合后形成的单层无纺布；
(2)本色抗菌竹浆+粘胶超短纤维混合后形成的单层无纺布；
(3)本色抗菌竹浆+ES超短纤维混合后形成的单层无纺布；
(4)本色抗菌竹浆+含超短棉绒纤维的棉浆混合后形成的单层无纺布；
(5)本色抗菌竹浆层+天丝超短纤维层叠加后形成的双层复合无纺布；
(6)本色抗菌竹浆层+粘胶超短纤维层叠加后形成的双层复合无纺布；
(7)本色抗菌竹浆层+含超短棉绒纤维棉浆层叠加后形成的双层复合无纺布；
(8)本色抗菌竹浆层+天丝超短纤维层+粘胶超短纤维层叠加后形成的三层复合无纺布；
(9)天丝超短纤维层+本色抗菌竹浆层+天丝超短纤维层叠加后形成的三层复合无纺布；
(10)粘胶超短纤维层+本色抗菌竹浆层+粘胶超短纤维层叠加后形成的三层复合无纺布；
(11)含超短棉绒纤维棉浆层+本色抗菌竹浆层+含超短棉绒纤维棉浆层叠加后形成的三层复合无纺布；
(12)含超短棉绒纤维棉浆层+本色抗菌竹浆层+天丝超短纤维层叠加后形成的三层复合无纺布；
(13)含超短棉绒纤维棉浆层+本色抗菌竹浆层+粘胶超短纤维层叠加后形成的三层复合无纺布。
与现有技术相比，本申请的优势体现在下述几点：(1)现有技术中使用的针叶长纤维木浆需要经过漂白处理，通常需要从国外进口，自身不具有抗菌性能，而本申请中使用的本色竹浆中含有天然物质“竹鲲”，其具有抗菌、抑菌、高透气性、瞬间吸水性、无尘屑、除螨、防臭和抗紫外线功能，不需要添加大量的干强剂、漂白剂、柔韧剂，环保安全；(2)不同性能的组合产品非常多，有单层结构的产品、两层结构的产品甚至是三层结构的产品，而现有技术中都是单层纤维混合后湿法斜网成型再水刺工艺固结，本申请中采用水刺复合加工法，不加任何化学粘合剂，天丝与粘胶纤维含量比同行低。该无纺布使用不漂白的具有天然抗菌性的竹浆替代进口漂白的针叶浆，环保安全且成品降低；减少了天丝与扁平粘胶在无纺布中所占的含量；该无纺布产品比现有产品在干态下的柔软度、亲肤性和吸收性均有大幅度的提升，性价比更高，且单层、两层甚至三层均具有良好的可冲散性和可完全降解性。
以上所述仅是本发明的优选实施方式，并不用于限制本发明，应当指出，对于本技术领域的普通技术人员来说，在不脱离本发明技术原理的前提下，还可以做出若干改进和变型，这些改进和变型也应视为本发明的保护范围。

Claims (8)

1.一种含抗菌竹浆的可冲散可降解干湿巾用无纺布，其特征在于：所述无纺布是
由包括85～50wt.％的本色抗菌竹浆料和15～50wt.％的超短纤维混合后依次经成网、水刺复合形成的单层无纺布；或
包括由本色抗菌竹浆形成的本色抗菌竹浆层和由超短纤维浆形成的超短纤维层经水刺复合形成的两层或两层以上的无纺布。
2.根据权利要求1所述的含抗菌竹浆的可冲散可降解干湿巾用无纺布，其特征在于：所述本色抗菌竹浆由70～20wt.％的本色针叶浆、白色针叶浆和本色阔叶浆中的至少一种与30～80wt.％的纯本色抗菌竹浆混合形成的，且所述超短纤维浆中的超短纤维的长度为5～20mm。
3.根据权利要求2所述的含抗菌竹浆的可冲散可降解干湿巾用无纺布，其特征在于：所述超短纤维的长度为5～10mm。
4.根据权利要求3所述的含抗菌竹浆的可冲散可降解干湿巾用无纺布，其特征在于：所述超短纤维为天丝超短纤维、粘胶超短纤维或超短棉绒纤维。
5.根据权利要求4所述的含抗菌竹浆的可冲散可降解干湿巾用无纺布，其特征在于：所述无纺布的结构为：
(1)本色抗菌竹浆+天丝超短纤维混合后形成的单层无纺布；
(2)本色抗菌竹浆+粘胶超短纤维混合后形成的单层无纺布；
(3)本色抗菌竹浆+ES超短纤维混合后形成的单层无纺布；
(4)本色抗菌竹浆+含超短棉绒纤维的棉浆混合后形成的单层无纺布；
(5)本色抗菌竹浆层+天丝超短纤维层叠加后形成的双层复合无纺布；
(6)本色抗菌竹浆层+粘胶超短纤维层叠加后形成的双层复合无纺布；
(7)本色抗菌竹浆层+含超短棉绒纤维棉浆层叠加后形成的双层复合无纺布；
(8)本色抗菌竹浆层+天丝超短纤维层+粘胶超短纤维层叠加后形成的三层复合无纺布；
(9)天丝超短纤维层+本色抗菌竹浆层+天丝超短纤维层叠加后形成的三层复合无纺布；
(10)粘胶超短纤维层+本色抗菌竹浆层+粘胶超短纤维层叠加后形成的三层复合无纺布；
(11)含超短棉绒纤维棉浆层+本色抗菌竹浆层+含超短棉绒纤维棉浆层叠加后形成的三层复合无纺布；
(12)含超短棉绒纤维棉浆层+本色抗菌竹浆层+天丝超短纤维层叠加后形成的三层复合无纺布；
(13)含超短棉绒纤维棉浆层+本色抗菌竹浆层+粘胶超短纤维层叠加后形成的三层复合无纺布。
6.根据权利要求1所述的含抗菌竹浆的可冲散可降解干湿巾用无纺布，其特征在于：所述单层无纺布的成网方式为干法气流成网方式或湿法成网方式。
7.根据权利要求1所述的含抗菌竹浆的可冲散可降解干湿巾用无纺布，其特征在于：所述两层或两层以上无纺布的成网方式为湿法斜网成网或干法气流成网。
8.根据权利要求5所述的含抗菌竹浆的可冲散可降解干湿巾用无纺布，其特征在于：所述无纺布的表面设有平纹、压花、印花、水刺3D提花和起皱纹路。
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