CN115262283A - 一种耐折复合瓦楞纸及其生产工艺 - Google Patents
一种耐折复合瓦楞纸及其生产工艺 Download PDFInfo
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Abstract
本发明公开了一种耐折复合瓦楞纸及其生产工艺，涉及瓦楞纸生产技术领域，复合瓦楞纸包括内纸芯，所述内纸芯两侧相对布设有两组波浪纸，所述波浪纸通过粘合胶与内纸芯粘接，所述波浪纸另一侧通过粘合胶与布设在外侧的外层纸粘接；所述内纸芯包括以下原料：植物纤维浆料份、丙烯酸树脂份、淀粉份、碳酸钙份、改性纳米二氧化硅份；所述波浪纸包括以下原料：聚酯纤维、淀粉助剂、聚乙烯醇、二氧化硅气凝胶；所述外层纸包括以下原料：无机纤维、芳酰胺短纤维、柠檬酸钠、增塑剂、聚丙烯酰胺、聚酰胺酰亚胺，本发明提供的复合瓦楞纸具有结合强度高、紧度高。
Description
技术领域
本发明涉及瓦楞纸生产技术领域，具体涉及一种耐折复合瓦楞纸及其生产工艺。
背景技术
瓦楞纸一般分为单瓦楞纸板和双瓦楞纸板两类，具有成本低、质量轻、加工易、强度大、印刷适应性样优良、储存搬运方便等优点；在所有包装印刷产品中，绝大多数是用瓦楞纸箱来运输的，这显示了瓦楞纸板运输箱对保证产品从工厂安全送到顾客手中的重要作用，而在储运中堆码层数的提升，对纸箱抗压强度的要求会越来越高，如果底层的纸箱一旦被压瘪塌，则会造成严重的损失。
现有瓦楞纸经常使用在物流包装领域，在对货物装载的过程中，需要将瓦楞纸经过多次折叠以形成特定形状，由于现有瓦楞纸强度较低，在折叠的过程中瓦楞纸很容易出现折断或者损坏的现象，进而不能进行重复利用。
发明内容
本发明的目的在于提供一种耐折复合瓦楞纸及其生产工艺；解决以下技术问题：
在对货物装载的过程中，需要将瓦楞纸经过多次折叠以形成特定形状，然而在折叠的过程中瓦楞纸很容易出现折断或者损坏的现象。
本发明的目的可以通过以下技术方案实现：
一种耐折复合瓦楞纸，包括内纸芯，所述内纸芯两侧相对布设有两组波浪纸，所述波浪纸通过粘合胶与内纸芯粘接，所述波浪纸另一侧通过粘合胶与布设在外侧的外层纸粘接；
所述内纸芯包括以下重量份的原料：植物纤维浆料50-70份、丙烯酸树脂10-15份、淀粉12-25份、碳酸钙4-10份、改性纳米二氧化硅3-6份；
所述波浪纸包括以下重量份的原料：聚酯纤维30-40份、淀粉助剂15-20份、聚乙烯醇4-9份、二氧化硅气凝胶2-6份；
所述外层纸包括以下重量份的原料：无机纤维30-50份、芳酰胺短纤维5-15份、柠檬酸钠2-7份、增塑剂1-3份、聚丙烯酰胺3-10份、聚酰胺酰亚胺1-4份。
优选的，所述改性纳米二氧化硅的制备方法为：
将超细二氧化硅研磨后过20目筛，加入到聚乙二醇中，然后加热至80-90℃搅拌30-60min，然后加入聚多巴胺升温至95-100℃，并保持在该温度下继续搅拌15-20min烘干处理，得到改性纳米二氧化硅。
优选的，所述改性纳米二氧化硅制备过程中超细二氧化硅、聚乙二醇以及聚多巴胺按照重量比为2:5:1。
优选的，所述增塑剂为甘油、聚乙二醇、乙二醇中的一种或多种。
优选的，所述淀粉助剂为木薯淀粉与玉米淀粉按照质量比为1:2复配而成。
优选的，所述植物纤维浆料为废弃树叶纤维浆料、废旧纸纤维浆料和稻草纤维浆料按照质量比为1:3:2的混合物。
优选的，所述二氧化硅气凝胶的制备方法如下：
向有机硅树脂中滴加环己烷，升温至45-60℃，搅拌10-15min，然后在此温度下加入纳米二氧化硅，搅拌20-30min后降温至20-30℃，最后加入固化剂固化1-2h后即可制得二氧化硅气凝胶。
优选的，所述纳米二氧化硅、环己烷与有机硅树脂按照质量比为1:10:50。
一种耐折复合瓦楞纸的制备方法，包括如下步骤：
S1、所述内纸芯的制作方法：
S11、将植物纤维浆料、丙烯酸树脂、淀粉、碳酸钙、改性纳米二氧化硅加入粉碎机中进行混合搅拌，得到第一混合物；
S12将第一混合物放入模具槽中进行成型，从而制成内纸芯；
S2、所述波浪纸的制作方法：
S21、将聚酯纤维、淀粉助剂、聚乙烯醇、二氧化硅气凝胶混合搅拌在一起，然后加水稀释至质量浓度为1％-2％的浆料，得到第二混合物；
S22、将第二混合物放入波浪形模具中，制成波浪纸；
S3、所述外层纸的制作方法：
S31、将无机纤维、芳酰胺短纤维加入粉碎机中搅拌粉碎，而后加入柠檬酸钠、增塑剂、聚丙烯酰胺、聚酰胺酰亚胺混合搅拌均匀，得到第三混合物；
S32、对第三混合物采用湿式成型法抄造，得到外层纸；
S4、在内纸芯上下表面分别涂抹粘合胶水，将波浪纸粘接在内纸芯两侧并烘干成型；
S5、在外层纸表面涂抹粘合胶水，将外层纸与波浪纸粘接并热压烘干成型复合瓦楞纸。
本发明的有益效果：
(1)本发明采用植物纤维浆料为原料，同时添加少量的淀粉助剂来提高纤维之间的结合力，提高纸的强度，同时淀粉与纤维之间结合紧密，能很好地提高纸的紧度；此外，淀粉可以降解，有利于废纸的回收利用，淀粉无毒无害，对废水处理来说相对简单，对环境污染小；本发明提供的复合瓦楞纸具有结合强度高、紧度高；
(2)本发明波浪纸中二氧化硅气凝胶以环己烷为溶剂，有机硅树脂利用硅原子上的羟基进行缩水聚合交联形成网状结构，纳米二氧化硅作为疏水填料，增强了波浪纸的防水效果以及强度。
附图说明
下面结合附图对本发明作进一步的说明。
图1是本发明一种耐折复合瓦楞纸的结构示意图；
图中：1、外层纸；2、波浪纸；3、内纸芯。
具体实施方式
下面将结合本发明实施例中的附图，对本发明实施例中的技术方案进行清楚、完整地描述，显然，所描述的实施例仅仅是本发明一部分实施例，而不是全部的实施例。基于本发明中的实施例，本领域普通技术人员在没有作出创造性劳动前提下所获得的所有其它实施例，都属于本发明保护的范围。
实施例1
一种耐折复合瓦楞纸，包括内纸芯3，所述内纸芯3两侧相对布设有两组波浪纸2，所述波浪纸2通过粘合胶与内纸芯3粘接，所述波浪纸2另一侧通过粘合胶与布设在外侧的外层纸1粘接；
耐折复合瓦楞纸的制备方法，包括如下步骤：
S1、所述内纸芯3的制作方法：
S11、将植物纤维浆料50份、丙烯酸树脂10份、淀粉12份、碳酸钙4份、改性纳米二氧化硅3份加入粉碎机中进行混合搅拌，得到第一混合物；
改性纳米二氧化硅的制备方法为：
将超细二氧化硅研磨后过20目筛，加入到聚乙二醇中，然后加热至80℃搅拌30min，然后加入聚多巴胺升温至95℃，并保持在该温度下继续搅拌15min烘干处理，得到改性纳米二氧化硅。
改性纳米二氧化硅制备过程中超细二氧化硅、聚乙二醇以及聚多巴胺按照重量比为2:5:1；
S12将第一混合物放入模具槽中进行成型，从而制成内纸芯3；
S2、所述波浪纸2的制作方法：
S21、将聚酯纤维30份、淀粉助剂15份、聚乙烯醇4份、二氧化硅气凝胶2份混合搅拌在一起，然后加水稀释至质量浓度为1％的浆料，得到第二混合物；
淀粉助剂为木薯淀粉与玉米淀粉按照质量比为1:2复配而成。
植物纤维浆料为废弃树叶纤维浆料、废旧纸纤维浆料和稻草纤维浆料按照质量比为1:3:2的混合物。
二氧化硅气凝胶的制备方法如下：
向有机硅树脂中滴加环己烷，升温至45℃，搅拌10min，然后在此温度下加入纳米二氧化硅，搅拌20min后降温至20℃，最后加入固化剂固化1h后即可制得二氧化硅气凝胶。
纳米二氧化硅、环己烷与有机硅树脂按照质量比为1:10:50；
S22、将第二混合物放入波浪形模具中，制成波浪纸2；
S3、所述外层纸1的制作方法：
S31、将无机纤维30份、芳酰胺短纤维5份加入粉碎机中搅拌粉碎，而后加入柠檬酸钠2份、甘油1份、聚丙烯酰胺3份、聚酰胺酰亚胺1份混合搅拌均匀，得到第三混合物；
S32、对第三混合物采用湿式成型法抄造，得到外层纸1；
S4、在内纸芯3上下表面分别涂抹粘合胶水，将波浪纸2粘接在内纸芯3两侧并烘干成型；
S5、在外层纸1表面涂抹粘合胶水，将外层纸1与波浪纸2粘接并热压烘干成型复合瓦楞纸。
实施例2
S1、所述内纸芯3的制作方法：
S11、将植物纤维浆料60份、丙烯酸树脂12份、淀粉18份、碳酸钙7份、改性纳米二氧化硅5份加入粉碎机中进行混合搅拌，得到第一混合物；
改性纳米二氧化硅的制备方法为：
将超细二氧化硅研磨后过20目筛，加入到聚乙二醇中，然后加热至85℃搅拌45min，然后加入聚多巴胺升温至97℃，并保持在该温度下继续搅拌18min烘干处理，得到改性纳米二氧化硅。
改性纳米二氧化硅制备过程中超细二氧化硅、聚乙二醇以及聚多巴胺按照重量比为2:5:1；
S12将第一混合物放入模具槽中进行成型，从而制成内纸芯3；
S2、所述波浪纸2的制作方法：
S21、将聚酯纤维35份、淀粉助剂18份、聚乙烯醇7份、二氧化硅气凝胶4份混合搅拌在一起，然后加水稀释至质量浓度为1.5％的浆料，得到第二混合物；
淀粉助剂为木薯淀粉与玉米淀粉按照质量比为1:2复配而成。
植物纤维浆料为废弃树叶纤维浆料、废旧纸纤维浆料和稻草纤维浆料按照质量比为1:3:2的混合物。
二氧化硅气凝胶的制备方法如下：
向有机硅树脂中滴加环己烷，升温至50℃，搅拌12min，然后在此温度下加入纳米二氧化硅，搅拌25min后降温至25℃，最后加入固化剂固化1.5h后即可制得二氧化硅气凝胶。
纳米二氧化硅、环己烷与有机硅树脂按照质量比为1:10:50；
S22、将第二混合物放入波浪形模具中，制成波浪纸2；
S3、所述外层纸1的制作方法：
S31、将无机纤维40份、芳酰胺短纤维10份加入粉碎机中搅拌粉碎，而后加入柠檬酸钠4份、聚乙二醇2份、聚丙烯酰胺7份、聚酰胺酰亚胺3份混合搅拌均匀，得到第三混合物；
S32、对第三混合物采用湿式成型法抄造，得到外层纸1；
S4、在内纸芯3上下表面分别涂抹粘合胶水，将波浪纸2粘接在内纸芯3两侧并烘干成型；
S5、在外层纸1表面涂抹粘合胶水，将外层纸1与波浪纸2粘接并热压烘干成型复合瓦楞纸。
实施例3
S1、所述内纸芯3的制作方法：
S11、将植物纤维浆料70份、丙烯酸树脂15份、淀粉25份、碳酸钙10份、改性纳米二氧化硅6份加入粉碎机中进行混合搅拌，得到第一混合物；
改性纳米二氧化硅的制备方法为：
将超细二氧化硅研磨后过20目筛，加入到聚乙二醇中，然后加热至90℃搅拌60min，然后加入聚多巴胺升温至100℃，并保持在该温度下继续搅拌20min烘干处理，得到改性纳米二氧化硅。
改性纳米二氧化硅制备过程中超细二氧化硅、聚乙二醇以及聚多巴胺按照重量比为2:5:1；
S12将第一混合物放入模具槽中进行成型，从而制成内纸芯3；
S2、所述波浪纸2的制作方法：
S21、将聚酯纤维40份、淀粉助剂20份、聚乙烯醇9份、二氧化硅气凝胶6份混合搅拌在一起，然后加水稀释至质量浓度为2％的浆料，得到第二混合物；
淀粉助剂为木薯淀粉与玉米淀粉按照质量比为1:2复配而成。
植物纤维浆料为废弃树叶纤维浆料、废旧纸纤维浆料和稻草纤维浆料按照质量比为1:3:2的混合物。
二氧化硅气凝胶的制备方法如下：
向有机硅树脂中滴加环己烷，升温至60℃，搅拌15min，然后在此温度下加入纳米二氧化硅，搅拌30min后降温至30℃，最后加入固化剂固化2h后即可制得二氧化硅气凝胶。
纳米二氧化硅、环己烷与有机硅树脂按照质量比为1:10:50；
S22、将第二混合物放入波浪形模具中，制成波浪纸2；
S3、所述外层纸1的制作方法：
S31、将无机纤维50份、芳酰胺短纤维15份加入粉碎机中搅拌粉碎，而后加入柠檬酸钠7份、乙二醇3份、聚丙烯酰胺10份、聚酰胺酰亚胺4份混合搅拌均匀，得到第三混合物；
S32、对第三混合物采用湿式成型法抄造，得到外层纸1；
S4、在内纸芯3上下表面分别涂抹粘合胶水，将波浪纸2粘接在内纸芯3两侧并烘干成型；
S5、在外层纸1表面涂抹粘合胶水，将外层纸1与波浪纸2粘接并热压烘干成型复合瓦楞纸。
对比例1
对比例1与实施例2的不同之处在于，对比例1中的波浪纸2不添加二氧化硅气凝胶，其余均与实施例2相同。
对比例2
对比例2采用申请号为2022100802219制备得到的瓦楞纸板。
测试例
对实施例1-3以及对比例1-2制备得到的瓦楞纸板进行边压强度以及环压指数进行性能测试，测试结果如下表：
| 组别 | 边压强度(N/cm) | 环压指数(N·m/g) |
| 实施例1 | 158 | 9.8 |
| 实施例2 | 152 | 9.6 |
| 实施例3 | 157 | 9.7 |
| 对比例1 | 109 | 7.2 |
| 对比例2 | 103 | 7.4 |
综上所述、实施例1-3所制备得到的复合瓦楞纸相较于对比例1-2制备得到的瓦楞纸在强度方面得到有效提升。
在本发明的描述中，需要说明的是，除非另有明确的规定和限定，术语“安装”“相连”“连接”等应做广义理解，例如，可以是固定连接，也可以是可拆卸连接，或一体地连接；可以是机械连接，也可以是电连接；可以是直接相连，也可以通过中间媒介间接连接，可以是两个元件内部的连通。对于本领域的普通技术人员而言，可以具体情况理解上述术语在本发明中的具体含义。
以上对本发明的一个实施例进行了详细说明，但所述内容仅为本发明的较佳实施例，不能被认为用于限定本发明的实施范围。凡依本发明申请范围所作的均等变化与改进等，均应仍归属于本发明的专利涵盖范围之内。
Claims (9)
1.一种耐折复合瓦楞纸，包括内纸芯(3)，其特征在于，所述内纸芯(3)两侧相对布设有波浪纸(2)，所述波浪纸(2)通过粘合胶与内纸芯(3)粘接，所述波浪纸(2)另一侧通过粘合胶与布设在外侧的外层纸(1)粘接；
所述内纸芯(3)包括以下重量份的原料：植物纤维浆料50-70份、丙烯酸树脂10-15份、淀粉12-25份、碳酸钙4-10份、改性纳米二氧化硅3-6份；
所述波浪纸(2)包括以下重量份的原料：聚酯纤维30-40份、淀粉助剂15-20份、聚乙烯醇4-9份、二氧化硅气凝胶2-6份；
所述外层纸(1)包括以下重量份的原料：无机纤维30-50份、芳酰胺短纤维5-15份、柠檬酸钠2-7份、增塑剂1-3份、聚丙烯酰胺3-10份、聚酰胺酰亚胺1-4份。
2.根据权利要求1所述的一种耐折复合瓦楞纸,其特征在于，所述改性纳米二氧化硅的制备方法为：
将超细二氧化硅研磨后过20目筛，加入到聚乙二醇中，然后加热至80-90℃搅拌30-60min，然后加入聚多巴胺升温至95-100℃，并保持在该温度下继续搅拌15-20min烘干处理，得到改性纳米二氧化硅。
3.根据权利要求2所述的一种耐折复合瓦楞纸,其特征在于，所述改性纳米二氧化硅制备过程中超细二氧化硅、聚乙二醇以及聚多巴胺按照重量比为2:5:1。
4.根据权利要求3所述的一种耐折复合瓦楞纸,其特征在于，所述增塑剂为甘油、聚乙二醇、乙二醇中的一种或多种。
5.根据权利要求1所述的一种耐折复合瓦楞纸,其特征在于，所述淀粉助剂为木薯淀粉与玉米淀粉按照质量比为1:2复配而成。
6.根据权利要求2所述的一种耐折复合瓦楞纸,其特征在于，所述植物纤维浆料为废弃树叶纤维浆料、废旧纸纤维浆料和稻草纤维浆料按照质量比为1:3:2的混合物。
7.根据权利要求6所述的一种耐折复合瓦楞纸,其特征在于，所述二氧化硅气凝胶的制备方法如下：
向有机硅树脂中滴加环己烷，升温至45-60℃，搅拌10-15min，然后在此温度下加入纳米二氧化硅，搅拌20-30min后降温至20-30℃，最后加入固化剂固化1-2h后即可制得二氧化硅气凝胶。
8.根据权利要求7所述的一种耐折复合瓦楞纸,其特征在于，所述纳米二氧化硅、环己烷与有机硅树脂按照质量比为1:10:50。
9.一种如权利要求1-8任一所述的耐折复合瓦楞纸的生产工艺，其特征在于，包括如下步骤：
S1、内纸芯(3)的制作方法：
S11、将植物纤维浆料、丙烯酸树脂、淀粉、碳酸钙、改性纳米二氧化硅加入粉碎机中进行混合搅拌，得到第一混合物；
S12将第一混合物放入模具槽中进行成型，从而制成内纸芯(3)；
S2、波浪纸(2)的制作方法：
S21、将聚酯纤维、淀粉助剂、聚乙烯醇、二氧化硅气凝胶混合搅拌在一起，然后加水稀释至质量浓度为1％-2％的浆料，得到第二混合物；
S22、将第二混合物放入波浪形模具中，制成波浪纸(2)；
S3、外层纸(1)的制作方法：
S31、将无机纤维、芳酰胺短纤维加入粉碎机中搅拌粉碎，而后加入柠檬酸钠、增塑剂、聚丙烯酰胺、聚酰胺酰亚胺混合搅拌均匀，得到第三混合物；
S32、对第三混合物采用湿式成型法抄造，得到外层纸(1)；
S4、在内纸芯(3)上下表面分别涂抹粘合胶水，将波浪纸(2)粘接在内纸芯(3)两侧并烘干成型；
S5、在外层纸(1)表面涂抹粘合胶水，将外层纸(1)与波浪纸(2)粘接并热压烘干成型复合瓦楞纸。
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| JP2002234089A (ja) * | 2001-02-13 | 2002-08-20 | Oji Paper Co Ltd | 耐水段ボールライナ及び耐水段ボールシート |
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| CN111945481A (zh) * | 2020-08-13 | 2020-11-17 | 东莞顺裕纸业有限公司 | 一种耐折复合瓦楞纸及其制备方法 |
| CN112176774A (zh) * | 2020-09-29 | 2021-01-05 | 新邵县金龙纸业有限责任公司 | 一种环保包装纸的制备方法 |
| CN113136738A (zh) * | 2021-03-25 | 2021-07-20 | 上海福铮纸业有限公司 | 一种瓦楞纸板及其制备方法 |
| CN113389079A (zh) * | 2021-05-27 | 2021-09-14 | 苏州裕复利新材料有限公司 | 一种防潮抗压纸箱及制备方法 |
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| JP2002234089A (ja) * | 2001-02-13 | 2002-08-20 | Oji Paper Co Ltd | 耐水段ボールライナ及び耐水段ボールシート |
| CN110154488A (zh) * | 2019-07-02 | 2019-08-23 | 广东新力德包装科技有限公司 | 一种三层复合防水型瓦楞纸板及其制备工艺 |
| CN111945481A (zh) * | 2020-08-13 | 2020-11-17 | 东莞顺裕纸业有限公司 | 一种耐折复合瓦楞纸及其制备方法 |
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