CN108894060A - 一种不易沾尘的清洁型分切复卷纸及其制备方法 - Google Patents
一种不易沾尘的清洁型分切复卷纸及其制备方法 Download PDFInfo
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Abstract
本发明公开了一种不易沾尘的清洁型分切复卷纸，包括原纸层、第一覆膜层、第二覆膜层、防尘层，所述第一覆膜层、第二覆膜层分别分布于原纸层的上部和下部，所述防尘层覆盖于第一覆膜层的上部，所述第一覆膜层、第二覆膜层与原纸层之间还分别具有第一胶层、第二胶层；所述防尘层为防尘液在第一覆膜层喷涂镀膜而形成，所述防尘液包含以重量份计的：去离子水120‑200份、甲苯6‑10份、R酸乙酯10‑15份、丁酮9‑12份、硅溶胶5~8份、纳米聚四氟乙烯1‑4份、纳米TiO21.5~3份、表面活性剂0.2~1份、固化剂2‑4份。本发明的纸张结构设计新颖，能够具有较好的机械抗撕裂牢度和防水性能的前提下，防尘层的设置使灰尘不易沾染，且工艺步骤简便，非常利于推广使用。
Description
技术领域
本发明涉及造纸领域，尤其涉及一种不易沾尘的清洁型分切复卷纸及其制备方法。
背景技术
复卷纸是人们生活中不可或缺的物品，其性质和种类不一而足；而随着技术的改进、生活化的需求越来越多样化，复卷纸的质量提高和更新换代一直是本行业孜孜以求的目标。
生产和生活环境难以避免尘埃，在生产和使用过程中，或多或少地会在复卷纸表面覆盖一层灰尘，从而在进一步使用时先要处理尘埃，极为不便。
开发一种避尘、清洁的复卷纸能给人们一种更好的使用体验。
发明内容
发明目的：为了开发一种新型的防尘复卷纸，本发明设计一种不易沾尘的清洁型分切复卷纸，以克服现有技术中的不足。
发明内容：一种不易沾尘的清洁型分切复卷纸，包括原纸层、第一覆膜层、第二覆膜层、防尘层，所述第一覆膜层、第二覆膜层分别分布于原纸层的上部和下部，所述防尘层覆盖于第一覆膜层的上部，所述第一覆膜层、第二覆膜层与原纸层之间还分别具有第一胶层、第二胶层；所述防尘层为防尘液在第一覆膜层喷涂镀膜而形成，所述防尘液包含以下重量份的组份：
作为优选，所述第一覆膜层的成分为聚乙烯、聚丙烯、聚氯乙烯、聚乳酸、聚四氟乙烯中的一种。以上覆膜层成分为常用纸张覆塑膜组份，具有增强、防水功效。
作为优选，所述第二覆膜层的成分为聚四氟乙烯或聚偏氟乙烯。此塑料组份增强作用明显，且聚四氟乙烯或聚偏氟乙烯本身具有防尘功能。
作为优选，所述第一胶层、第二胶层为热熔胶层。热熔胶层粘接牢固，且适合本发明工艺。
作为优选，所述原纸层的厚度为40-200μm。原纸层的厚度遵循效率和经济性的原则。
作为优选，所述表面活性剂选自溴化十六烷基三甲基胺、N-油酰多缩氨基酸钠、脂肪醇聚氧乙烯醚硫酸钠、烷基糖苷、椰油酸二乙醇酰胺中的一种或两种以上的组合。以上表面活性剂高效调和组份，使防尘液均匀混合。
进一步，所述第一覆膜层、第二覆膜层的厚度为10-50μm，所述防尘层的厚度为5-50μm。两个覆膜层的厚度对应原纸层的厚度采取最经济的组合。
作为优选，所述R酸乙酯为碳原子数1～4的一元羧酸与乙醇酯化反应的产物。R酸乙酯是小分子短链结构以方便有机溶剂和水之间的配伍，也是防尘不可缺少的功能组分之一。
一种不易沾尘的清洁型分切复卷纸的制备方法，包括以下步骤：
(1)、原纸层制备：将需要的纸浆和辅料混合入浆池，除杂、漂白、磨浆后，得到的细浆进入调浆系统调和浆的浓度、黏度，流入网部成型，烘干得到原纸；
(2)、一层覆膜：将得到的原纸用卷纸机进行收卷后，用一组辊放卷铺展到操作平台上，往原纸层的上表面均匀涂布上第二胶层，再放卷备用第二膜层，将原纸层和第二膜层装至纸塑复合机的机辊上，对好线位，进入烘道，控制烘道温度48～55℃，覆合压力19～22bar，纸塑复合机开启收卷机构，收卷时将第二膜层朝内；
(3)、二层覆膜：在此次放卷后，使第二膜层朝下，参照步骤(2)，往此时原纸层的上表面均匀涂布上第一胶层，再放卷备用第一膜层，将原纸层和第一膜层装至纸塑复合机的机辊上，对好线位，进入烘道，控制烘道温度50～60℃，覆合压力21～23bar；
(4)、喷涂：导出第一膜层朝上的分切复卷纸，导出过程中往上喷涂配制好的防尘液，将复卷纸输送至最终的收卷机构，输送时防尘液上部吹热风，热风温度35～42℃，吹8～15min，即防尘层形成；
(5)、切边后，复卷，分切，即得所述不易沾尘的清洁型分切复卷纸。
和现有技术相比，本发明的有益效果在于：本发明的一种不易沾尘的清洁型分切复卷纸，结构新颖、工艺紧凑。两层覆膜层增加了原纸层的机械强度和防水性能，其中第二覆膜层本身具有一定的防尘功能；而防尘液喷涂再烘干形成防尘层的形式，工艺简便，易操作，防尘效果优异，防尘液配方绿色环保，功效持久，具有避绝尘埃沾染的效力。本发明的纸张结构设计新颖，能够具有较好的机械抗撕裂牢度和防水性能的前提下，防尘层的设置使灰尘不易沾染，且工艺步骤简便，非常利于推广使用。
附图说明
图1是本发明总体层次机构的示意图。
图中：1-原纸层，11-第一胶层，12-第二胶层，2-第一覆膜层，3-第二覆膜层，4-防尘层。
具体实施方式
为了更清楚地说明本申请实施例或现有技术中的技术方案，下面将对实施例或现有技术描述中所需要使用的附图作简单地介绍。
实施例1～5
如图1，一种不易沾尘的清洁型分切复卷纸，包括原纸层1、第一覆膜层2、第二覆膜层3、防尘层4，所述第一覆膜层2、第二覆膜层3分别分布于原纸层1的上部和下部，所述防尘层4覆盖于第一覆膜层2的上部，所述第一覆膜层2、第二覆膜层3与原纸层1之间还分别具有第一胶层11、第二胶层12；所述原纸层1的厚度为40-200μm，所述第一覆膜层2、第二覆膜层3的厚度为10-50μm，所述防尘层4的厚度为5-50μm；
其中，所述第一覆膜层2的成分为聚乙烯、聚丙烯、聚氯乙烯、聚乳酸、聚四氟乙烯中的一种；所述第二覆膜层3的成分为聚四氟乙烯或聚偏氟乙烯；所述防尘层4为防尘液在第一覆膜层喷涂镀膜而形成；所述第一胶层11、第二胶层12为热熔胶层。
再有，所述防尘液在实施例1～5中包含如表1所示的重量份的组份。
表1防尘液的组分(单位：重量份)
其中，所述表面活性剂选自溴化十六烷基三甲基胺、N-油酰多缩氨基酸钠、脂肪醇聚氧乙烯醚硫酸钠、烷基糖苷、椰油酸二乙醇酰胺中的一种或两种以上的组合；所述R酸乙酯为碳原子数1～4的一元羧酸与乙醇酯化反应的产物，在实施例1、3为乙酸乙酯，在实施例2为甲酸乙酯，在实施例4为丙酸乙酯，在实施例5为丙烯酸乙酯。
一种不易沾尘的清洁型分切复卷纸的制备方法，包括以下步骤：
(1)、原纸层制备：将需要的纸浆和辅料混合入浆池，除杂、漂白、磨浆后，得到的细浆进入调浆系统调和浆的浓度、黏度，流入网部成型，烘干得到原纸；
(2)、一层覆膜：将得到的原纸用卷纸机进行收卷后，用一组辊放卷铺展到操作平台上，往原纸层的上表面均匀涂布上第二胶层，再放卷备用第二膜层，将原纸层和第二膜层装至纸塑复合机的机辊上，对好线位，进入烘道，控制烘道温度48～55℃，覆合压力19～22bar，纸塑复合机开启收卷机构，收卷时将第二膜层朝内；
(3)、二层覆膜：在此次放卷后，使第二膜层朝下，参照步骤(2)，往此时原纸层的上表面均匀涂布上第一胶层，再放卷备用第一膜层，将原纸层和第一膜层装至纸塑复合机的机辊上，对好线位，进入烘道，控制烘道温度50～60℃，覆合压力21～23bar；
(4)、喷涂：导出第一膜层朝上的分切复卷纸，导出过程中往上喷涂配制好的防尘液，将复卷纸输送至最终的收卷机构，输送时防尘液上部吹热风，热风温度35～42℃，吹8～15min，即防尘层形成；
(5)、切边后，复卷，分切，即得所述不易沾尘的清洁型分切复卷纸。
得到的分切复卷纸，第二覆膜层、防尘层均有防尘效果，但第二覆膜层防尘效果一般，防尘层防尘效果优异，其能够排斥尘埃颗粒并且在沾染细小灰尘后具有吸附作用；防尘、不沾尘效果保持一年以上。
以上实施例仅用以说明本发明的优选技术方案，应当指出，对于本技术领域的普通技术人员而言，在不脱离本发明原理的前提下，所做出的若干改进或等同替换，均视为本发明的保护范围，仍应涵盖在本发明的权利要求范围中。
Claims (9)
1.一种不易沾尘的清洁型分切复卷纸，其特征在于，包括原纸层、第一覆膜层、第二覆膜层、防尘层，所述第一覆膜层、第二覆膜层分别分布于原纸层的上部和下部，所述防尘层覆盖于第一覆膜层的上部，所述第一覆膜层、第二覆膜层与原纸层之间还分别具有第一胶层、第二胶层；所述防尘层为防尘液在第一覆膜层喷涂镀膜而形成，所述防尘液包含以下重量份的组份：
去离子水 120-200份
甲苯 6-10份
R酸乙酯 10-15份
丁酮 9-12份
硅溶胶 5~8份
纳米聚四氟乙烯 1-4份
纳米TiO2 1.5~3份
表面活性剂 0.2~1份
固化剂 2-4份。
2.根据权利要求1所述的一种不易沾尘的清洁型分切复卷纸，其特征在于，所述第一覆膜层的成分为聚乙烯、聚丙烯、聚氯乙烯、聚乳酸、聚四氟乙烯中的一种。
3.根据权利要求1所述的一种不易沾尘的清洁型分切复卷纸，其特征在于，所述第二覆膜层的成分为聚四氟乙烯或聚偏氟乙烯。
4.根据权利要求1所述的一种不易沾尘的清洁型分切复卷纸，其特征在于，所述原纸层的厚度为40-200μm。
5.根据权利要求1所述的一种不易沾尘的清洁型分切复卷纸，其特征在于，所述第一胶层、第二胶层为热熔胶层。
6.根据权利要求4所述的一种不易沾尘的清洁型分切复卷纸，其特征在于，所述第一覆膜层、第二覆膜层的厚度为10-50μm，所述防尘层的厚度为5-50μm。
7.根据权利要求1所述的一种不易沾尘的清洁型分切复卷纸，其特征在于，所述表面活性剂选自溴化十六烷基三甲基胺、N-油酰多缩氨基酸钠、脂肪醇聚氧乙烯醚硫酸钠、烷基糖苷、椰油酸二乙醇酰胺中的一种或两种以上的组合。
8.根据权利要求1所述的一种不易沾尘的清洁型分切复卷纸，其特征在于，所述R酸乙酯为碳原子数1~4的一元羧酸与乙醇酯化反应的产物。
9.根据权利要求1~8任一项所述的一种不易沾尘的清洁型分切复卷纸的制备方法，其特征在于，包括以下步骤：
（1）、原纸层制备：将需要的纸浆和辅料混合入浆池，除杂、漂白、磨浆后，得到的细浆进入调浆系统调和浆的浓度、黏度，流入网部成型，烘干得到原纸；
（2）、一层覆膜：将得到的原纸用卷纸机进行收卷后，用一组辊放卷铺展到操作平台上，往原纸层的上表面均匀涂布上第二胶层，再放卷备用第二膜层，将原纸层和第二膜层装至纸塑复合机的机辊上，对好线位，进入烘道，控制烘道温度48~55℃，覆合压力19~22bar，纸塑复合机开启收卷机构，收卷时将第二膜层朝内；
（3）、二层覆膜：在此次放卷后，使第二膜层朝下，参照步骤（2），往此时原纸层的上表面均匀涂布上第一胶层，再放卷备用第一膜层，将原纸层和第一膜层装至纸塑复合机的机辊上，对好线位，进入烘道，控制烘道温度50~60℃，覆合压力21~23bar；
（4）、喷涂：导出第一膜层朝上的分切复卷纸，导出过程中往上喷涂配制好的防尘液，将复卷纸输送至最终的收卷机构，输送时防尘液上部吹热风，热风温度35~42℃，吹8~15min，即防尘层形成；
（5）、切边后，复卷，分切，即得所述不易沾尘的清洁型分切复卷纸。
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