CN112976740A - 一种防潮抗挤压瓦楞纸板 - Google Patents
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Abstract
一种防潮抗挤压瓦楞纸板,包括从上到下依次设置的防水层、面纸层及内纸层,所述防水层为聚氯乙烯薄膜并通过高强度抗水粘合剂粘附于面纸层上端,所述面纸层及内纸层之间通过高强度抗水粘合剂粘合有复合瓦楞芯层。本发明的防潮抗挤压瓦楞纸板阻隔性好,具有很强的隔气隔湿效果,能有效防止瓦楞纸板的受潮,保证箱体的抗压强度和牢固度;双层瓦楞纸提高了瓦楞纸板的抗冲击性能,并提升了其整体强度。本发明中高强度抗水粘合剂具有抗菌、防霉、粘合性强、防水作用,复合表面施胶剂防水作用,能有效提高瓦楞纸板的边压强度。
Description
技术领域
本发明涉及纸板技术领域,尤其是一种防潮抗挤压瓦楞纸板。
背景技术
随着我国市场经济的稳定运行,瓦楞纸板的应用面积得到不断地扩大,这种纸制品的硬度以及相应的功能性越来越得到人们的青睐。在使用过程中,不仅可以展现商品包装上的功效,也可以对包装的商品进行安全上的保护。科技的运行发展,让人们对瓦楞纸板上的质量要求越来越高,同时新型设备的不断涌出,让瓦楞纸板的制作工艺也变得越来越先进,目前的瓦楞纸板要求防潮抗压强度越来越高,越来越多生产出的瓦楞纸板不符合市场需求。
发明内容
本发明的目的在于提供一种防潮抗挤压瓦楞纸板,以解决上述背景技术中提出的问题。
本发明采用的技术方案是:一种防潮抗挤压瓦楞纸板,包括从上到下依次设置的防水层、面纸层及内纸层,所述防水层为聚氯乙烯薄膜并通过高强度抗水粘合剂粘附于面纸层上端,所述面纸层及内纸层之间通过高强度抗水粘合剂粘合有复合瓦楞芯层。
作为优选,所述复合瓦楞芯层由两张瓦楞纸经高强度抗水粘合剂胶黏复合而成。
作为优选,所述高强度抗水粘合剂的配制方法为将30~40份木薯淀粉粉碎至微米级,边搅拌边加入水中,持续加热,从常温加热至102℃,然后加入5~10份聚丙烯酰胺、乙烯-丙烯酸共聚物2~5份、0.3~0.6份氢氧化钠、2~5份硼砂、5~15份硫酸铝、0.5~1.5份松香胶,持续搅拌均匀,直到浆的粘度为30~40秒时,停止搅拌,即得到高强度抗水粘合剂,上述份数均为重量份。
作为优选,所述复合瓦楞芯层采用复合表面施胶剂喷涂施胶。
作为优选,所述复合表面施胶剂的制备包括如下步骤:
(1)氧化淀粉溶液制备,将5~10份LS-2氧化淀粉放入烧杯中,加入一定量水,调成质量分数为15%的溶液,用搅拌器搅拌均匀,放入恒温水浴中继续搅拌,升温至90℃,保温20min,得到氧化淀粉溶液备用;
(2)羧甲基纤维素钠溶液制备,称取10~20份羧甲基纤维素钠,加水,用搅拌器搅拌均匀,放入水浴锅中加热至60℃,高速搅拌0.5~1h,得到羧甲基纤维素钠溶液备用;
(3)将步骤(1)氧化淀粉溶液中加入步骤(2)中羧甲基纤维素钠溶液,高速搅拌至溶液溶解、分散均匀后按质量比1:2加入SAE表面施胶剂溶液后得到所需复合表面施胶剂。
本发明的防潮抗挤压瓦楞纸板阻隔性好,具有很强的隔气隔湿效果,能有效防止瓦楞纸板的受潮,保证箱体的抗压强度和牢固度;双层瓦楞纸提高了瓦楞纸板的抗冲击性能,并提升了其整体强度。本发明中高强度抗水粘合剂具有抗菌、防霉、粘合性强、防水作用,复合表面施胶剂防水作用,能有效提高瓦楞纸板的边压强度。
具体实施方式
下面将结合本发明实施例中,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做出创造性劳动前提下所获得的所有其他实施例,都属于本发明保护的范围。
实施例1
一种防潮抗挤压瓦楞纸板,包括从上到下依次设置的防水层、面纸层及内纸层,所述防水层为聚氯乙烯薄膜并通过高强度抗水粘合剂粘附于面纸层上端,所述面纸层及内纸层之间通过高强度抗水粘合剂粘合有复合瓦楞芯层。所述复合瓦楞芯层由两张瓦楞纸经高强度抗水粘合剂胶黏复合而成。
所述高强度抗水粘合剂的配制方法为将30份木薯淀粉粉碎至微米级,边搅拌边加入水中,持续加热,从常温加热至102℃,然后加入5份聚丙烯酰胺、乙烯-丙烯酸共聚物2份、0.3份氢氧化钠、2份硼砂、5份硫酸铝、0.5份松香胶,持续搅拌均匀,直到浆的粘度为30~40秒时,停止搅拌,即得到高强度抗水粘合剂,上述份数均为重量份。
所述复合瓦楞芯层采用复合表面施胶剂喷涂施胶。所述复合表面施胶剂的制备包括如下步骤:
(1)氧化淀粉溶液制备,将5份LS-2氧化淀粉放入烧杯中,加入一定量水,调成质量分数为15%的溶液,用搅拌器搅拌均匀,放入恒温水浴中继续搅拌,升温至90℃,保温20min,得到氧化淀粉溶液备用;
(2)羧甲基纤维素钠溶液制备,称取10份羧甲基纤维素钠,加水,用搅拌器搅拌均匀,放入水浴锅中加热至60℃,高速搅拌0.5~1h,得到羧甲基纤维素钠溶液备用;
(3)将步骤(1)氧化淀粉溶液中加入步骤(2)中羧甲基纤维素钠溶液,高速搅拌至溶液溶解、分散均匀后按质量比1:2加入SAE表面施胶剂溶液后得到所需复合表面施胶剂。
实施例2
一种防潮抗挤压瓦楞纸板,包括从上到下依次设置的防水层、面纸层及内纸层,所述防水层为聚氯乙烯薄膜并通过高强度抗水粘合剂粘附于面纸层上端,所述面纸层及内纸层之间通过高强度抗水粘合剂粘合有复合瓦楞芯层。所述复合瓦楞芯层由两张瓦楞纸经高强度抗水粘合剂胶黏复合而成。
所述高强度抗水粘合剂的配制方法为将35份木薯淀粉粉碎至微米级,边搅拌边加入水中,持续加热,从常温加热至102℃,然后加入8份聚丙烯酰胺、乙烯-丙烯酸共聚物3份、0.5份氢氧化钠、3份硼砂、10份硫酸铝、1份松香胶,持续搅拌均匀,直到浆的粘度为30~40秒时,停止搅拌,即得到高强度抗水粘合剂,上述份数均为重量份。
所述复合瓦楞芯层采用复合表面施胶剂喷涂施胶。所述复合表面施胶剂的制备包括如下步骤:
(1)氧化淀粉溶液制备,将8份LS-2氧化淀粉放入烧杯中,加入一定量水,调成质量分数为15%的溶液,用搅拌器搅拌均匀,放入恒温水浴中继续搅拌,升温至90℃,保温20min,得到氧化淀粉溶液备用;
(2)羧甲基纤维素钠溶液制备,称取15份羧甲基纤维素钠,加水,用搅拌器搅拌均匀,放入水浴锅中加热至60℃,高速搅拌0.5~1h,得到羧甲基纤维素钠溶液备用;
(3)将步骤(1)氧化淀粉溶液中加入步骤(2)中羧甲基纤维素钠溶液,高速搅拌至溶液溶解、分散均匀后按质量比1:2加入SAE表面施胶剂溶液后得到所需复合表面施胶剂。
实施例3
一种防潮抗挤压瓦楞纸板,包括从上到下依次设置的防水层、面纸层及内纸层,所述防水层为聚氯乙烯薄膜并通过高强度抗水粘合剂粘附于面纸层上端,所述面纸层及内纸层之间通过高强度抗水粘合剂粘合有复合瓦楞芯层。所述复合瓦楞芯层由两张瓦楞纸经高强度抗水粘合剂胶黏复合而成。
所述高强度抗水粘合剂的配制方法为将40份木薯淀粉粉碎至微米级,边搅拌边加入水中,持续加热,从常温加热至102℃,然后加入10份聚丙烯酰胺、乙烯-丙烯酸共聚物5份、0.6份氢氧化钠、5份硼砂、15份硫酸铝、1.5份松香胶,持续搅拌均匀,直到浆的粘度为30~40秒时,停止搅拌,即得到高强度抗水粘合剂,上述份数均为重量份。
所述复合瓦楞芯层采用复合表面施胶剂喷涂施胶。所述复合表面施胶剂的制备包括如下步骤:
(1)氧化淀粉溶液制备,将10份LS-2氧化淀粉放入烧杯中,加入一定量水,调成质量分数为15%的溶液,用搅拌器搅拌均匀,放入恒温水浴中继续搅拌,升温至90℃,保温20min,得到氧化淀粉溶液备用;
(2)羧甲基纤维素钠溶液制备,称取20份羧甲基纤维素钠,加水,用搅拌器搅拌均匀,放入水浴锅中加热至60℃,高速搅拌0.5~1h,得到羧甲基纤维素钠溶液备用;
(3)将步骤(1)氧化淀粉溶液中加入步骤(2)中羧甲基纤维素钠溶液,高速搅拌至溶液溶解、分散均匀后按质量比1:2加入SAE表面施胶剂溶液后得到所需复合表面施胶剂。
本发明中SAE表面施胶剂选购于铭祥化工科技(山东)集团有限公司。
对比例1
一种防潮抗挤压瓦楞纸板,包括从上到下依次设置的防水层、面纸层及内纸层,所述防水层为聚氯乙烯薄膜并通过高强度抗水粘合剂粘附于面纸层上端,所述面纸层及内纸层之间通过聚醋酸乙烯酯粘合剂粘合有复合瓦楞芯层。所述复合瓦楞芯层由两张瓦楞纸经聚醋酸乙烯酯粘合剂胶黏复合而成。
所述复合瓦楞芯层采用复合表面施胶剂喷涂施胶。所述复合表面施胶剂的制备包括如下步骤:
(1)氧化淀粉溶液制备,将5份LS-2氧化淀粉放入烧杯中,加入一定量水,调成质量分数为15%的溶液,用搅拌器搅拌均匀,放入恒温水浴中继续搅拌,升温至90℃,保温20min,得到氧化淀粉溶液备用;
(2)羧甲基纤维素钠溶液制备,称取10份羧甲基纤维素钠,加水,用搅拌器搅拌均匀,放入水浴锅中加热至60℃,高速搅拌0.5~1h,得到羧甲基纤维素钠溶液备用;
(3)将步骤(1)氧化淀粉溶液中加入步骤(2)中羧甲基纤维素钠溶液,高速搅拌至溶液溶解、分散均匀后按质量比1:2加入SAE表面施胶剂溶液后得到所需复合表面施胶剂。
对比例2
一种防潮抗挤压瓦楞纸板,包括从上到下依次设置的防水层、面纸层及内纸层,所述防水层为聚氯乙烯薄膜并通过高强度抗水粘合剂粘附于面纸层上端,所述面纸层及内纸层之间通过高强度抗水粘合剂粘合有复合瓦楞芯层。所述复合瓦楞芯层由两张瓦楞纸经高强度抗水粘合剂胶黏复合而成。
所述高强度抗水粘合剂的配制方法为将30份木薯淀粉粉碎至微米级,边搅拌边加入水中,持续加热,从常温加热至102℃,然后加入5份聚丙烯酰胺、乙烯-丙烯酸共聚物2份、0.3份氢氧化钠、2份硼砂、5份硫酸铝、0.5份松香胶,持续搅拌均匀,直到浆的粘度为30~40秒时,停止搅拌,即得到高强度抗水粘合剂,上述份数均为重量份。
对比例3
选用市售的湖北耀发包装公司生产三层特硬瓦楞纸板。
吸湿性能实验测试:取120g实施例1-3及对比例1-3瓦楞纸板作为对照,放入烘箱中干燥恒重,将恒重的瓦楞纸板放入28℃、相对湿度为70%~80%的环境中吸湿平衡24h,称量并记录吸湿平衡时质量,置于120℃烘箱中干燥至恒重,称量并记录干燥恒重时的质量,每个样品重复测试5次,取均值,回潮率测试结果如表1所示。
表1 吸湿性能测试结果
耐折度实验按照GB/T2679.5—1995《纸和纸板耐折度测定-MIT耐折度仪法》,切取宽为(15+0.1)mm、长度不小于140mm的试样进行实验,试验时将试样置于DRK111A耐折度仪的夹头中,通过下夹头的左右摇摆,使试样在135°内往复折叠运动至试样断裂。试验结果如表2:
表2 耐折度、耐破强度等测试结果
相较于对比例1、2、3,本发明实施例、2、3提高了瓦楞纸板的边压强度,其力学性能相对比对比例,更加优异,同时大大提高了瓦楞纸板的防潮性。
对于本领域技术人员而言,显然本发明不限于上述示范性实施例的细节,而且在不背离本发明的精神或基本特征的情况下,能够以其他的具体形式实现本发明。因此,无论从哪一点来看,均应将实施例看作是示范性的,而且是非限制性的,本发明的范围由所附权利要求而不是上述说明限定,因此旨在将落在权利要求的等同要件的含义和范围内的所有变化囊括在本发明内。
Claims (5)
1.一种防潮抗挤压瓦楞纸板,包括从上到下依次设置的防水层、面纸层及内纸层,其特征在于所述防水层为聚氯乙烯薄膜并通过高强度抗水粘合剂粘附于面纸层上端,所述面纸层及内纸层之间通过高强度抗水粘合剂粘合有复合瓦楞芯层。
2.根据权利要求1所述的一种防潮抗挤压瓦楞纸板,其特征在于所述复合瓦楞芯层由两张瓦楞纸经高强度抗水粘合剂胶黏复合而成。
3.根据权利要求1或2所述的一种防潮抗挤压瓦楞纸板,其特征在于所述高强度抗水粘合剂的配制方法为将30~40份木薯淀粉粉碎至微米级,边搅拌边加入水中,持续加热,从常温加热至102℃,然后加入5~10份聚丙烯酰胺、乙烯-丙烯酸共聚物2~5份、0.3~0.6份氢氧化钠、2~5份硼砂、5~15份硫酸铝、0.5~1.5份松香胶,持续搅拌均匀,直到浆的粘度为30~40秒时,停止搅拌,即得到高强度抗水粘合剂,上述份数均为重量份。
4.根据权利要求1或2或3所述的一种防潮抗挤压瓦楞纸板,其特征在于所述复合瓦楞芯层采用复合表面施胶剂喷涂施胶。
5.根据权利要求4所述的一种防潮抗挤压瓦楞纸板,其特征在于所述复合表面施胶剂的制备包括如下步骤:
(1)氧化淀粉溶液制备,将5~10份LS-2氧化淀粉放入烧杯中,加入一定量水,调成质量分数为15%的溶液,用搅拌器搅拌均匀,放入恒温水浴中继续搅拌,升温至90℃,保温20min,得到氧化淀粉溶液备用;
(2)羧甲基纤维素钠溶液制备,称取10~20份羧甲基纤维素钠,加水,用搅拌器搅拌均匀,放入水浴锅中加热至60℃,高速搅拌0.5~1h,得到羧甲基纤维素钠溶液备用;
(3)将步骤(1)氧化淀粉溶液中加入步骤(2)中羧甲基纤维素钠溶液,高速搅拌至溶液溶解、分散均匀后按质量比1:2加入SAE表面施胶剂溶液后得到所需复合表面施胶剂。
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