CN116732820A - 一种本色抗菌无氟防油包装纸的制备方法 - Google Patents
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Abstract
本发明公开了一种本色抗菌无氟防油包装纸的制备方法，具体涉及包装纸制造领域，所述方法包括：S1：获取纸芯层；S2：获取面层；S3：将面层分别粘接在纸芯层的两侧；所述纸芯层内均匀包含有纳米级二氧化硅分子抗菌溶胶，所述面层内均匀包含有不含有氟的疏水剂，本发明中，通过将含有纳米级二氧化硅分子抗菌溶胶的纸芯层和含有无氟疏水剂的面层相互粘接，能够获得优于常规包装纸的防油和防水的能力，纳米材料的致密性可以在一定程度上起到更好的隔离水分子和油分子的目的，而面层所具有的疏水能力，能够在起到增厚包装纸，提高包装纸的使用韧性的同时，还可以进一步提高包装纸整体的防水性，从而在使用时，使得本设计具有更优的防水防油效果。
Description
技术领域
本发明涉及包装纸制造领域，更具体地说，本发明涉及一种本色抗菌无氟防油包装纸的制备方法。
背景技术
在食品包装环节中使用的包装纸一般都有防油和防水的需求，现有的具有防油作用的添加剂内或多或少都含有氟元素，而氟对人体有害，因此亟需研制一种不含氟的同时还具有防水防油功能的包装纸。
发明内容
为了克服现有技术的上述缺陷，本发明提供一种本色抗菌无氟防油包装纸的制备方法，本发明所要解决的技术问题是：在食品包装环节中使用的包装纸一般都有防油和防水的需求，现有的具有防油作用的添加剂内或多或少都含有氟元素，而氟对人体有害，因此亟需研制一种不含氟的同时还具有防水防油功能的包装纸。
为实现上述目的，本发明提供如下技术方案：一种本色抗菌无氟防油包装纸的制备方法，所述方法包括：
S1：获取纸芯层；
S2：获取面层；
S3：将面层分别粘接在纸芯层的两侧；
所述纸芯层内均匀包含有纳米级二氧化硅分子抗菌溶胶，所述面层内均匀包含有不含有氟的疏水剂。
优选的，所述纸芯层的制备方法包括：
S101：取一份木材，将木材刨花处理；
S102：将所得的刨花木屑投入到蒸煮锅中，以一定的温度、压力和PH进行蒸煮、碎浆、研磨、获得木质素纤维；
S103：筛选木质素纤维，分别得到长纤维浆液和短纤维浆液；
S104：取长纤维浆液一份，向长纤维浆液中加入纳米级二氧化硅分子抗菌溶胶获得长混合溶液一，搅拌，长纤维浆液和纳米级二氧化硅分子抗菌溶胶的份数比为10∶1；
S105：混合溶液一经压榨、烘干、表面施胶、烘干、回湿、压光制得纸芯层。
优选的，所述面层的制备方法包括：
S201：获取S103中的短纤维浆液；
S202：取短纤维浆液一份，向短纤维浆液中加入不含有氟的疏水剂获得长混合溶液二，短纤维浆液和不含有氟的疏水剂的份数比为5∶1；
S203：混合溶液二经压榨、烘干、表面施胶、烘干、回失压光制得面层。
优选的，：所述S102中的温度为90-100℃，压力为10-15bar，PH为9-11。
优选的，所述S103：筛选木质素纤维的具体步骤为：
S1031：将木质纤维素浆液置于震荡机内；
S1032：开启震荡机，设定震荡机的震荡周期为2S，震荡机将木质纤维浆液内的长纤维和短纤维逐步震荡开来；
S1033：向木质纤维浆液内添加悬浮剂，木质纤维浆液和悬浮剂的份数比为20∶1；
S1034：将木质纤维浆液和悬浮剂一同输入到离心机上，离心机功率调节至4000-7000rpm，离心时间10-20min，分批次获得长纤维和短纤维。
优选的，所述不含有氟的疏水剂为烷烃长链类拒水剂。
优选的，所述浆液的浓度为4-5％，所述浆液包括长纤维浆液和短纤维浆液。
本发明的技术效果和优点：本发明中，通过将含有纳米级二氧化硅分子抗菌溶胶的纸芯层和含有无氟疏水剂的面层相互粘接，能够获得优于常规包装纸的防油和防水的能力，纳米材料的致密性可以在一定程度上起到更好的隔离水分子和油分子的目的，而面层所具有的疏水能力，能够在起到增厚包装纸，提高包装纸的使用韧性的同时，还可以进一步提高包装纸整体的防水性，从而在使用时，使得本设计具有更优的防水防油效果。
具体实施方式
实施例一
一种本色抗菌无氟防油包装纸的制备方法，所述方法包括：
S1：获取纸芯层；
S2：获取面层；
S3：将面层分别粘接在纸芯层的两侧；
所述纸芯层内均匀包含有纳米级二氧化硅分子抗菌溶胶，所述面层内均匀包含有不含有氟的疏水剂。本发明中，通过将含有纳米级二氧化硅分子抗菌溶胶的纸芯层和含有无氟疏水剂的面层相互粘接，能够获得优于常规包装纸的防油和防水的能力，纳米材料的致密性可以在一定程度上起到更好的隔离水分子和油分子的目的，而面层所具有的疏水能力，能够在起到增厚包装纸，提高包装纸的使用韧性的同时，还可以进一步提高包装纸整体的防水性，从而在使用时，使得本设计具有更优的防水防油效果。
所述纸芯层的制备方法包括：
S101：取一份木材，将木材刨花处理；本实施例中以木材进行说明，可以知道的是，原材料不限于木材，还可以是废纸或者废旧织物；将木材投入到剥皮鼓内，将木材的表皮剥去，之后将剥完皮的木材投入到削片机内，获取一片片的刨花，再将刨花投入到木片筛内，经过木片筛的筛选，除去体积较小的木屑以及杂质，余下的即为可以利用的刨花。
S102：将所得的刨花木屑投入到蒸煮锅中，以一定的温度、压力和PH进行蒸煮、碎浆、研磨、获得木质素纤维；蒸煮的过程依赖于化学反应和物理反应的共同配合，将刨花投入到蒸煮锅内，再向蒸煮锅内添加烧碱等化学药剂，使得刨花逐渐变得松散，之后再不断使用研磨机对刨花进行打磨，同时也依赖刨花之间的相互摩擦作用，逐渐使得刨花解离，从一片刨花逐渐变成一束束甚至是一根根纤维；进一步的，根据使用者所需要制备的包装纸的厚度，在可控的情况下用物理方法改善纤维的性质，即运用机械剪力的作用，揉搓、疏解纤维束，改变纤维的长短。
S103：筛选木质素纤维，分别得到长纤维浆液和短纤维浆液；利用剪切力、摩擦力、扭曲力、水力等措施可以使纤维切断、粉丝、帚化、压溃，以获得长短不一的纤维，即长纤维和短纤维，混合着浆液，即可以获得长纤维浆液和短纤维浆液。
S104：取长纤维浆液一份，向长纤维浆液中加入纳米级二氧化硅分子抗菌溶胶获得长混合溶液一，搅拌，长纤维浆液和纳米级二氧化硅分子抗菌溶胶的份数比为10∶1；纳米级二氧化硅分子抗菌溶胶进入到长纤维浆液后会自动寻找载体，长纤维体积浆液中，长纤维本身的体积较大，极其容易成为纳米级二氧化硅分子抗菌溶胶的载体，在搅拌的过程中，能够尽可能多的长纤维的表面包裹上一层纳米级二氧化硅分子抗菌溶胶，之后依靠交织在一起的长纤维制成的纸芯层，能够使得纸芯层从外至内均具有防水防油的效果；传统的抗菌剂能够抑制或杀灭细菌.但无法消除细菌残骸和其产生的毒素.而其中大多数有机抗菌剂又有耐热性差、易挥发、易分解产生有害物质、安全性能差等不足，纳米级二氧化硅分子抗菌溶胶能够克服上述缺点，能将细菌及其残骸一起杀灭和消除，同时还能将细菌分泌的毒素也分解掉，纳米级二氧化硅分子抗菌溶胶内主要还包含有无机抗菌剂，如银、铜、锌等离子和光催化抗菌剂，光催化抗菌剂有纳米级氧化钛、氧化锌、氧化硅等。纳米抗菌剂具有杀菌彻底、耐热性强、不易产生有害物质、安全性能好等优点。将纳米抗菌剂混入浆料或涂料即可生产纳米抗菌纸。
S105：混合溶液一经压榨、烘干、表面施胶、烘干、回湿、压光制得纸芯层。在长纤维纸浆中加入化学药品以增强纸业强度，提升抄造性能，然后沿着一定的横幅全宽均匀、稳定地分布纸料，长纤维纸浆通过重力、真空抽吸、刮刀等作用脱水、形成湿纸页，用机械方法挤出由网部出来的湿纸页的水分，提高纸页的干度，把湿纸烘干到标准水分，并使全服水份均一，纵向水份连续稳定，在长纤维纸浆或纸页表面添加抗水性物质，进一步增强纸页所具有的延迟流体的渗透性能；再通过上下辊的加压使达到需要的紧度，并对纸面起到一定的修饰作用。
所述面层的制备方法包括：
S201：获取S103中的短纤维浆液；
S202：取短纤维浆液一份，向短纤维浆液中加入不含有氟的疏水剂获得长混合溶液二，短纤维浆液和不含有氟的疏水剂的份数比为5∶1；
S203：混合溶液二经压榨、烘干、表面施胶、烘干、回失压光制得面层。在短纤维纸浆中加入化学药品以增强纸业强度，提升抄造性能，然后沿着一定的横幅全宽均匀、稳定地分布纸料，短纤维纸浆通过重力、真空抽吸、刮刀等作用脱水、形成湿纸页，用机械方法挤出由网部出来的湿纸页的水分，提高纸页的干度，把湿纸烘干到标准水分，并使全服水份均一，纵向水份连续稳定，在短纤维纸浆或纸页表面添加抗水性物质，进一步增强纸页所具有的延迟流体的渗透性能；再通过上下辊的加压使达到需要的紧度，并对纸面起到一定的修饰作用。
实施例二
在上述实施例的基础上，所述S102中的温度为90-100℃，压力为10-15bar，PH为9-11。
所述S103：筛选木质素纤维的具体步骤为：
S1031：将木质纤维素浆液置于震荡机内；
S1032：开启震荡机，设定震荡机的震荡周期为2S，震荡机将木质纤维浆液内的长纤维和短纤维逐步震荡开来；震荡机的频繁震荡作用能够将浆液中的纤维逐渐震散开。
S1033：向木质纤维浆液内添加悬浮剂，木质纤维浆液和悬浮剂的份数比为20∶1；
S1034：将木质纤维浆液和悬浮剂一同输入到离心机上，离心机功率调节至4000-7000rpm，离心时间10-20min，分批次获得长纤维和短纤维。通过离心作用，能够将质量较重的长纤维和质量较轻的短纤维相互分离。
所述不含有氟的疏水剂为烷烃长链类拒水剂。不含有氟的疏水剂可以是烷烃长链类拒水剂，还可以是包含了常见的金属皂类、石蜡类、羟甲基、吡啶类等和有机硅防水剂。
所述浆液的浓度为4-5％，所述浆液包括长纤维浆液和短纤维浆液。
Claims (7)
1.一种本色抗菌无氟防油包装纸的制备方法，其特征在于：所述方法包括：
S1：获取纸芯层；
S2：获取面层；
S3：将面层分别粘接在纸芯层的两侧；
所述纸芯层内均匀包含有纳米级二氧化硅分子抗菌溶胶，所述面层内均匀包含有不含有氟的疏水剂。
2.根据权利要求1所述的一种本色抗菌无氟防油包装纸的制备方法，其特征在于：所述纸芯层的制备方法包括：
S101：取一份木材，将木材刨花处理；
S102：将所得的刨花木屑投入到蒸煮锅中，以一定的温度、压力和PH进行蒸煮、碎浆、研磨、获得木质素纤维；
S103：筛选木质素纤维，分别得到长纤维浆液和短纤维浆液；
S104：取长纤维浆液一份，向长纤维浆液中加入纳米级二氧化硅分子抗菌溶胶获得长混合溶液一，搅拌，长纤维浆液和纳米级二氧化硅分子抗菌溶胶的份数比为10∶1；
S105：混合溶液一经压榨、烘干、表面施胶、烘干、回湿、压光制得纸芯层。
3.根据权利要求2所述的一种本色抗菌无氟防油包装纸的制备方法，其特征在于：所述面层的制备方法包括：
S201：获取S103中的短纤维浆液；
S202：取短纤维浆液一份，向短纤维浆液中加入不含有氟的疏水剂获得长混合溶液二，短纤维浆液和不含有氟的疏水剂的份数比为5∶1；
S203：混合溶液二经压榨、烘干、表面施胶、烘干、回失压光制得面层。
4.根据权利要求2所述的一种本色抗菌无氟防油包装纸的制备方法，其特征在于：所述S102中的温度为90-100℃，压力为10-15bar，PH为9-11。
5.根据权利要求4所述的一种本色抗菌无氟防油包装纸的制备方法，其特征在于：所述S103：筛选木质素纤维的具体步骤为：
S1031：将木质纤维素浆液置于震荡机内；
S1032：开启震荡机，设定震荡机的震荡周期为2S，震荡机将木质纤维浆液内的长纤维和短纤维逐步震荡开来；
S1033：向木质纤维浆液内添加悬浮剂，木质纤维浆液和悬浮剂的份数比为20∶1；
S1034：将木质纤维浆液和悬浮剂一同输入到离心机上，离心机功率调节至4000-7000rpm，离心时间10-20min，分批次获得长纤维和短纤维。
6.根据权利要求1-5任一所述的一种本色抗菌无氟防油包装纸的制备方法，其特征在于：所述不含有氟的疏水剂为烷烃长链类拒水剂。
7.根据权利要求6所述的一种本色抗菌无氟防油包装纸的制备方法，其特征在于：所述浆液的浓度为4-5％，所述浆液包括长纤维浆液和短纤维浆液。
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