CN107443854B - 一种防水防变形的易回收瓦楞纸箱 - Google Patents

一种防水防变形的易回收瓦楞纸箱 Download PDF

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CN107443854B
CN107443854B CN201710608036.1A CN201710608036A CN107443854B CN 107443854 B CN107443854 B CN 107443854B CN 201710608036 A CN201710608036 A CN 201710608036A CN 107443854 B CN107443854 B CN 107443854B
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杜威
陶香君
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Chuzhou Cigarette Materials Factory
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Abstract

本发明公开了一种防水防变形的易回收瓦楞纸箱,从外到内包括依次固定的外纸层、第一瓦楞层、塑胶层、第二瓦楞层和内纸层,所述塑胶层包括第一塑胶板和固定于第一塑胶板表面的第二塑胶板,第一塑胶板表面均布有若干圆形凹槽,圆形凹槽中填充有干燥剂,圆形凹槽的底部开有第一圆形通孔,第二塑胶板的表面开有与第一圆形通孔相连通的第二圆形通孔。本发明的瓦楞纸箱在两层瓦楞层中设有塑胶层,塑胶层中设有凹槽,凹槽中填充有干燥剂,可以对瓦楞纸箱起到一定的作用,并且废弃的瓦楞纸箱的塑胶层可以回收,塑胶层中的干燥剂在干燥箱中干燥后可以再次利用,节省使用成本,同时塑胶层有一定的机械强度,韧性较强,可以有效的防止瓦楞纸板的折弯变形。

Description

一种防水防变形的易回收瓦楞纸箱
技术领域
本发明属于瓦楞纸箱领域,具体涉及一种防水防变形的易回收瓦楞纸箱。
背景技术
瓦楞纸箱是由瓦楞纸板制成的刚性纸质容器,半个多世纪以来,瓦楞纸箱以其优越的使用性能和良好的加工性能逐渐取代了木箱等运输包装容器,成为运输包装的主力军,它除了保护商品、便于仓储、运输之外,还起到美化商品,宣传商品的作用,瓦楞纸箱属于绿色环保产品,它利于环保,利于装卸运输。
现有的瓦楞纸箱常用面纸和瓦楞纸组合为多层,使用过程中由于纸张容易吸水潮湿,所以瓦楞纸箱在潮湿的环境中或者雨水的侵蚀下容易浸水,导致纸箱内部的物品损坏,同时瓦楞纸由于潮湿而发生变形废弃的瓦楞纸不能重新使用,浪费资源。
专利申请号为201610185824.X的发明专利公布了一种防潮瓦楞纸箱,该瓦楞纸箱的第一波浪层和第二波浪层空隙中填充有干燥剂,可以起到防潮作用,但是干燥剂直接填充于瓦楞层中若瓦楞纸板出现破裂损坏的情况,干燥剂会直接全部漏出,同时在瓦楞纸板制备瓦楞纸箱过程中,根据不同的大小需求对瓦楞纸板进行剪切,剪切过程中瓦楞层中的干燥剂会发生遗漏。
发明内容
本发明的目的在于提供一种防水防变形的易回收瓦楞纸箱,该瓦楞纸箱在两层瓦楞层中设有塑胶层,塑胶层中设有凹槽,凹槽中填充有干燥剂,可以对瓦楞纸箱起到一定的作用,并且废弃的瓦楞纸箱的塑胶层可以回收,塑胶层中的干燥剂在干燥箱中干燥后可以再次利用,节省使用成本,同时塑胶层有一定的机械强度,韧性较强,可以有效的防止瓦楞纸板的折弯变形。
本发明的目的可以通过以下技术方案实现:
一种防水防变形的易回收瓦楞纸箱,从外到内包括依次固定的外纸层、第一瓦楞层、塑胶层、第二瓦楞层和内纸层,所述塑胶层包括第一塑胶板和固定于第一塑胶板表面的第二塑胶板,第一塑胶板表面均布有若干圆形凹槽,圆形凹槽中填充有干燥剂,圆形凹槽的底部开有第一圆形通孔,第二塑胶板的表面开有与第一圆形通孔相连通的第二圆形通孔,所述外纸层利用复配阻燃剂和防水剂进行浸渍;
所述瓦楞纸箱的制备工艺如下:
(1)塑胶层的制备:将第一塑胶板表面的圆形凹槽中填充干燥剂,然后将第二塑胶板通过环保粘合剂固定于第一塑胶板表面,制得塑胶层;
(2)外纸层的防水阻燃处理:将外纸层进行彻底烘干处理后浸渍于复配阻燃剂中,在70-90℃的真空干燥箱中烘干,然后将烘干的外层纸置于防水剂中进行浸渍,将浸渍后的外层纸在50-60℃的恒温干燥箱中干燥4-8h,得到防水阻燃外层纸;
(3)将塑胶层的上下表面分别固定第一瓦楞层和第二瓦楞层,然后在第一瓦楞层的表面固定防水阻燃外层纸,在第二瓦楞层的表面固定内纸层,得到防水防变形瓦楞纸板,然后根据需要将瓦楞纸板进行印刷模切、自动胶接折叠成箱。
所述干燥剂包括硅胶、分子筛、蒙脱土、氧化铝中的一种或多种。
第一圆形通孔和第二圆形通孔的直径均小于圆形凹槽的直径14-18cm,第一圆形通孔和第二圆形通孔的直径均小于干燥剂最小直径0.1-0.3cm。
所述第二瓦楞层和内纸层之间设有一层硫酸纸,硫酸纸粘合在内层纸的表面。
所述复配阻燃剂为有机磷类阻燃剂和三氧化二锑的复合物,防水剂为有机硅乳液、乳化石蜡、乳化聚乙烯蜡中的一种。
本发明的有益效果:
本发明的瓦楞纸板包括依次固定的外纸层、第一瓦楞层、塑胶层、第二瓦楞层和内纸层,外纸层直接通过复配阻燃剂和防水剂的浸渍,使其具有阻燃防水性能,制备工艺简单,并且防水阻燃效果好。
本发明设有塑胶层,塑胶层有一定的机械强度和韧性,可以起到支撑作用,能够有效的防止瓦楞纸板的变形,同时塑胶层包括相互固定连接的第一塑胶层和第二塑胶层,第一塑胶层中设有凹槽,凹槽中填充有干燥剂,凹槽底部设有通孔,第二塑胶层表面也设有相对应的通孔,可以有效的防止干燥剂从塑胶板中溢出,同时干燥剂通过通孔可以有效的吸潮,防止瓦楞纸板的潮湿,同时瓦楞纸箱在使用一段时间后,可以通过烘干,有效的除去塑胶层中干燥剂中的水分,瓦楞纸箱可以直接重复使用。
本发明的瓦楞纸板可以根据需要大小进行剪切,塑胶层中的干燥剂不会由于剪切而遗漏。
本发明瓦楞纸板的第二瓦楞层和内纸层之间设有硫酸纸,硫酸纸固定于内纸层表面,可以进一步加强瓦楞纸板的防水功能。
本发明的瓦楞纸箱在废弃后可以通过机械作用除去表面废弃的面纸层和瓦楞层,然后通过化学方法彻底清除塑胶层表面残留的瓦楞纸,对塑胶层进行回收,同时将塑胶层在烘箱中烘干后,可以使塑胶层中的干燥剂重复使用,无需另外添加干燥剂,节省成本。
附图说明
为了便于本领域技术人员理解,下面结合附图对本发明作进一步的说明。
图1为本发明瓦楞纸板的结构图;
图2为本发明瓦楞纸板的结构爆炸示意图;
图3为本发明塑胶层的结构爆炸示意图;
图4为图3的局部结构示意图。
具体实施方式
结合图1、图2、图3和图4通过本实施例进行详细说明:
一种防水防变形的易回收瓦楞纸箱,从外到内包括依次固定的外纸层1、第一瓦楞层2、塑胶层3、第二瓦楞层4和内纸层5,所述塑胶层3包括第一塑胶板301和固定于第一塑胶板301表面的第二塑胶板302,第一塑胶板301表面均布有若干圆形凹槽3011,圆形凹槽3011的直径为15-20cm,圆形凹槽3011中填充有干燥剂,所述干燥剂为颗粒状干燥剂,干燥剂包括硅胶、分子筛、蒙脱土、氧化铝中的一种或多种,圆形凹槽3011的底部开有第一圆形通孔3012,第二塑胶板302的表面开有与第一圆形通孔3012相连通的第二圆形通孔3021,第一圆形通孔3012和第二圆形通孔3021的直径均小于圆形凹槽3011的直径14-18cm,第一圆形通孔3012和第二圆形通孔3021的直径均小于硅胶干燥剂最小直径0.1-0.3cm,所述外纸层1利用复配阻燃剂和防水剂进行浸渍,第二瓦楞层4和内纸层5之间设有一层硫酸纸,硫酸纸粘合在内层纸5的表面;
所述瓦楞纸箱的制备工艺如下:
(1)塑胶层3的制备:将第一塑胶板301表面的圆形凹槽3011中填充干燥剂,然后将第二塑胶板302通过环保粘合剂固定于第一塑胶板301表面,制得塑胶层3;
(2)外纸层1的防水阻燃处理:将外纸层1进行彻底烘干处理后浸渍于复配阻燃剂中,在70-90℃的真空干燥箱中烘干,然后将烘干的外层纸1置于防水剂中进行浸渍,将浸渍后的外层纸1在50-60℃的恒温干燥箱中干燥4-8h,得到防水阻燃外层纸;
(3)将塑胶层3的上下表面分别固定第一瓦楞层2和第二瓦楞层4,然后在第一瓦楞层2的表面固定防水阻燃外层纸,在第二瓦楞层4的表面固定内纸层,得到防水防变形瓦楞纸板,然后根据需要将瓦楞纸板进行印刷模切、自动胶接折叠成箱。
所述复配阻燃剂为有机磷类阻燃剂和三氧化二锑的复合物,防水剂为有机硅乳液、乳化石蜡、乳化聚乙烯蜡中的一种;
所述瓦楞纸箱的回收工艺:
(1)将废弃瓦楞纸箱的外纸层1、第一瓦楞层2和第二瓦楞层4、内纸层5均切割分离,得到塑胶层3;
(2)将塑胶层3在丙酮溶液中浸泡2-4h,彻底分离塑胶层3表面残留的瓦楞纸,然后将塑胶层3置于烘干箱中进行烘干后可以重复使用。
以上公开的本发明优选实施例只是用于帮助阐述本发明。优选实施例并没有详尽叙述所有的细节,也不限制该发明仅为所述的具体实施方式。显然,根据本说明书的内容,可作很多的修改和变化。本说明书选取并具体描述这些实施例,是为了更好地解释本发明的原理和实际应用,从而使所属技术领域技术人员能很好地理解和利用本发明。本发明仅受权利要求书及其全部范围和等效物的限制。

Claims (4)

1.一种防水防变形的易回收瓦楞纸箱,其特征在于,从外到内包括依次固定的外纸层、第一瓦楞层、塑胶层、第二瓦楞层和内纸层,所述塑胶层包括第一塑胶板和固定于第一塑胶板表面的第二塑胶板,第一塑胶板表面均布有若干圆形凹槽,圆形凹槽中填充有干燥剂,圆形凹槽的底部开有第一圆形通孔,第二塑胶板的表面开有与第一圆形通孔相连通的第二圆形通孔,所述外纸层利用复配阻燃剂和防水剂进行浸渍;其中复配阻燃剂为有机磷类阻燃剂和三氧化二锑的复合物,防水剂为有机硅乳液、乳化石蜡、乳化聚乙烯蜡中的一种;
所述瓦楞纸箱的制备工艺如下:
(1)塑胶层的制备:将第一塑胶板表面的圆形凹槽中填充干燥剂,然后将第二塑胶板通过环保粘合剂固定于第一塑胶板表面,制得塑胶层;
(2)外纸层的防水阻燃处理:将外纸层进行彻底烘干处理后浸渍于复配阻燃剂中,在70-90℃的真空干燥箱中烘干,然后将烘干的外层纸置于防水剂中进行浸渍,将浸渍后的外层纸在50-60℃的恒温干燥箱中干燥4-8h,得到防水阻燃外层纸;
(3)将塑胶层的上下表面分别固定第一瓦楞层和第二瓦楞层,然后在第一瓦楞层的表面固定防水阻燃外层纸,在第二瓦楞层的表面固定内纸层,得到防水防变形瓦楞纸板,然后根据需要将瓦楞纸板进行印刷模切、自动胶接折叠成箱。
2.根据权利要求1所述的一种防水防变形的易回收瓦楞纸箱,其特征在于,所述干燥剂包括硅胶、分子筛、蒙脱土、氧化铝中的一种或多种。
3.根据权利要求1所述的一种防水防变形的易回收瓦楞纸箱,其特征在于,第一圆形通孔和第二圆形通孔的直径均小于圆形凹槽的直径14-18cm,第一圆形通孔和第二圆形通孔的直径均小于干燥剂最小直径0.1-0.3cm。
4.根据权利要求1所述的一种防水防变形的易回收瓦楞纸箱,其特征在于,所述第二瓦楞层和内纸层之间设有一层硫酸纸,硫酸纸粘合在内层纸的表面。
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