CN113320257A - 基于底布水刺无纺布制备工艺 - Google Patents

基于底布水刺无纺布制备工艺 Download PDF

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CN113320257A
CN113320257A CN202110567800.1A CN202110567800A CN113320257A CN 113320257 A CN113320257 A CN 113320257A CN 202110567800 A CN202110567800 A CN 202110567800A CN 113320257 A CN113320257 A CN 113320257A
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方萝成
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Zhejiang Baoshukang New Material Co ltd
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Abstract

本申请公开了基于底布水刺无纺布制备工艺，包括以下步骤，采用湿法上浆的方式在底布上涂覆一层木浆纤维；对底布和夹层进行水刺处理；所述底布为PP纺粘热轧布或PLA纺粘热轧布。本发明具有如下有益效果：上述制备工艺中，通过水刺得方式使得木浆纤维缠结在了底布上，这样可以确保木浆纤维与底布之间可以粘结在一起，使用时出现掉尘现象的概率低。

Description

基于底布水刺无纺布制备工艺
技术领域
本发明涉及无纺布领域，尤其涉及一种基于底布水刺无纺布制备工艺。
背景技术
专利CN110524984A提供了一种三层的工业擦布，这种工业擦布中融喷吸油层是直接融喷在湿法成网吸水层上的，但是木浆纤维在成网之后直接通过烘干了，且烘干之后再进行熔喷吸油层，熔喷完成之后在进行水刺加固，这种加工方式由于先熔喷后水刺，熔喷的过程会对木浆纤维层造成一定的破坏，三层面料之间的粘结强度相对较低，使用过程中容易出现掉尘现象。
发明内容
本发明针对上述问题，提出了一种基于底布水刺无纺布制备工艺。
本发明采取的技术方案如下：
一种基于底布水刺无纺布制备工艺，包括以下步骤，
S1(成型步骤)：在相邻的两层底布之间设置一层带镂空的夹层；
S2(水刺步骤)：对底布和夹层进行水刺处理；
所述底布为PP纺粘热轧布或PLA纺粘热轧布或PBAT纺粘热轧布。
上述制备工艺中，通过水刺得方式使得夹层与底布缠结在一起，使用时出现掉尘现象的概率低。同时由于夹层是带镂空的夹层，两层底布可以穿过夹层上的孔直接接触，这样最终制备得到的无纺布会具有立体的凹凸不平感，在进行清洁时，清洁效果更好。
可选的，所述镂空的夹层为带孔的干态纸；或者镂空的夹层为带镂空形状的湿态的木浆纤维。
无论是干态纸还是湿态的木浆纤维，其主要成分都是木浆纤维。采取两层底布，木浆纤维可以夹在两层底布之间，这样可以保证木浆纤维完全处于被包覆的状态，使得木浆纤维不易脱落，彻底杜绝掉尘的现象。
可选的，两层底布相同或者不相同。
可选的，所述水刺包括平台水刺。
可选的，所述水刺还包括圆鼓水刺，先进行平台水刺再进行圆鼓水刺。
可选的，还包括压轧，所述水刺处理完成之后进行压轧处理。
压扎处理是为了一则是为了调整整张无纺布的厚度，二则是为了排除水份。
可选的，还包括热合处理，所述压轧完成之后进行热合处理。
进行热合处理的目的是为了将木浆纤维与底布完全粘结在一起。
可选的，所述热合处理为烘干处理或者超声波热轧处理。
本发明的有益效果是：通过水刺得方式使得夹层在了底布上，使用时出现掉尘现象的概率低，且整张纸具有立体的凹凸不平感，在清洁时清洁效果更好。
附图说明：
图1是基于本制备工艺制备得到的无纺布的结构示意简图；
图2是夹层的结构示意简图。
图中各附图标记为：1、底布；2、夹层，201、孔。
具体实施方式：
下面结合各实施例，对本发明做详细描述。
实施例1
S1：以PP作为底布，在PP上通过湿法成网的方式设置一层木浆纤维，木浆纤维为湿态的木浆纤维，木浆纤维上带有镂空的孔；
S2：再在木浆纤维上铺设一层PP或者PLA或者PBAT，而后进行平台水刺；
S3：平台水刺之后再进行圆鼓水刺，圆鼓水刺完成之后进行压轧；
S4：最后进行热合处理，将木浆纤维与PP或PLA彻底粘接在一起。
本实施例制备得到的无纺布的结构如附图1所示，一共三层，中间为木浆纤维(木浆纤维作为夹层)2，木浆纤维2的两侧为PP或者PLA或者PBAT。
本实施例中先在木浆纤维的两侧设置PP或者PLA或者PBAT，而后再进行水刺以及热合处理，这样将三者完全粘结在了一起。
本实施例中没有进行融喷等操作，且在木浆纤维处于湿润状态下将木浆纤维与底布进行平台水刺处理，这样就将木浆纤维完全刺入底布的纤维中，使得底布与木浆纤维完全缠结在一起。
本实施例中底布选用PP纺粘热轧布，但也可以选用PLA纺粘热轧布，也可以选用PBAT纺粘热轧布。
本实施例中木浆纤维成网的工艺可以是单圆网或者长网或者斜网或者双圆网或者三圆网造纸工艺。
实施例2
S1：以PP作为底布，在PP上通过湿法成网的方式设置一层木浆纤维(作为夹层)，木浆纤维为湿态的木浆纤维，木浆纤维上带有镂空的孔；
S2：再在木浆纤维上铺设一层PP或者PLA或者PBAT；
S3：对PP以及木浆纤维进行平台水刺处理；
S4：进行圆鼓水刺，圆鼓水刺完成之后进行压轧；
S5：最后进行热合处理，将木浆纤维与PP或PLA彻底粘接在一起。
本实施例制备得到的无纺布的结构如附图1所示，一共三层，中间为木浆纤维2，木浆纤维2的两侧为PP或者PLA。
本实施例中先将木浆纤维与底布进行平台水刺，因为底布是用PP纤维制成的，所以底布上的PP纤维之间存在孔隙，水刺处理可以将木浆纤维刺入孔隙之中，确保了木浆纤维与底布的粘结强度。
本实施例中没有进行融喷等操作，且在木浆纤维处于湿润状态下将木浆纤维与底布进行平台水刺处理，这样就将木浆纤维完全刺入底布的纤维中，使得底布与木浆纤维完全缠结在一起。
本实施例制备得到的无纺布的结构如附图1所示，一共三层，中间为木浆纤维2，木浆纤维2的两侧为PP纺粘热轧布或者PLA纺粘热轧布或者PBAT纺粘热轧布。
本实施例中当木浆纤维的两侧全是PLA时，整张无纺布属于全降解的无纺布。
本实施例中木浆纤维成网的工艺可以是单圆网或者长网或者斜网或者双圆网或者三圆网造纸工艺。
实施例3
S1：以PBAT纺粘无纺布作为底布，在PBAT上铺设一层干态的纸(作为夹层)，纸自身带孔；
S2：再在木浆纤维上铺设一层PP或者PLA或者PBAT；
S3：对底布及夹层进行平台水刺处理；
S4：进行圆鼓水刺，圆鼓水刺完成之后进行压轧；
S5：最后进行热合处理，将木浆纤维与PP或PLA彻底粘接在一起。
本实施例制备得到的无纺布的结构如附图1所示，一共三层，中间为夹层2(即纸)，夹层2的两侧为PP或者PLA或者PBAT。
参看附图2，实施例1～实施例3中无论使用的是干太的纸，还是湿态的木浆纤维，其大致结构都如附图2所示，即都带有镂空的孔201，孔可以是圆形或者其他形状的。
以上所述仅为本发明的优选实施例，并非因此即限制本发明的专利保护范围，凡是运用本发明说明书所作的等效变换，直接或间接运用在其他相关的技术领域，均同理包括在本发明的保护范围内。

Claims (8)

1.一种基于底布水刺无纺布制备工艺，其特征在于，包括以下步骤，
成型步骤：在相邻的两层底布之间设置一层带镂空的夹层；
水刺步骤：对底布和夹层进行水刺处理；
所述底布为PP纺粘热轧布或PLA纺粘热轧布或PBAT纺粘热轧布。
2.如权利要求1所述的基于底布水刺无纺布制备工艺，其特征在于，所述镂空的夹层为带孔的干态纸；或者镂空的夹层为带镂空形状的湿态的木浆纤维。
3.如权利要求1所述的基于底布水刺无纺布制备工艺，其特征在于，两层底布相同或者不相同。
4.如权利要求1所述的基于底布水刺无纺布制备工艺，其特征在于，所述水刺包括平台水刺。
5.如权利要求4所述的基于底布水刺无纺布制备工艺，其特征在于，所述水刺还包括圆鼓水刺，先进行平台水刺再进行圆鼓水刺。
6.如权利要求1所述的基于底布水刺无纺布制备工艺，其特征在于，还包括压轧，所述水刺处理完成之后进行压轧处理。
7.如权利要求6所述的基于底布水刺无纺布制备工艺，其特征在于，还包括热合处理，所述压轧完成之后进行热合处理。
8.如权利要求7所述的基于底布水刺无纺布制备工艺，其特征在于，所述热合处理为烘干处理或者超声波热轧处理。
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CN103147228A (zh) * 2013-03-18 2013-06-12 浙江金三发非织造布有限公司 纺丝成网木浆纸水刺复合非织造布的生产工艺
CN105109177A (zh) * 2015-08-31 2015-12-02 杭州洁诺清洁用品有限公司 层合纸生产方法
CN109487432A (zh) * 2018-11-13 2019-03-19 浙江宝仁无纺制品有限公司 一种pp木浆复合擦拭布的生产工艺
CN110524984A (zh) * 2019-08-02 2019-12-03 南通大学 一种高吸水高吸油可降解的非织造工业擦布及其生产工艺
CN110820167A (zh) * 2019-11-29 2020-02-21 山东冠骏清洁材料科技有限公司 一种功能性pp木浆水刺复合布生产工艺

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