CN107905035A - 一种防水蜂窝纸芯及其制备方法 - Google Patents
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Abstract
本发明涉及材料技术领域,特别涉及一种防水蜂窝纸芯;包括以下按重量份计的原料:落叶松40~60、蔗渣15~25、香蕉茎秆20~30、炭黑12~18、聚乙酸乙烯酯乳液12~18、淀粉颗粒8~12、改性钠基膨润土8~12、防水剂8~12;本发明制备的蜂窝纸芯,具有较好的防水防潮性能,提高其蜂窝纸板的整体防水防潮性能,提高蜂窝纸整体性能,扩大了蜂窝纸的运用领域。
Description
技术领域
本发明涉及材料技术领域,特别涉及一种防水蜂窝纸芯及其制备方法。
背景技术
实现节能减排,建立资源节约型、环境友好型健康经济发展模式是我国社会经济发展的努力方向,蜂窝纸板材料是一种用料省、能耗小、轻质价廉、可再生、回收再利用方便的环保材料,然而作为全纸质材料的蜂窝纸板,其实际防水防潮性能并不佳,用其制成的包装箱、托盘、受潮后强度减弱,经不起撞击和振动,如此在一定程度上限制了蜂窝纸板的应用。蜂窝纸板主要由两层蜂窝面纸和一层蜂窝纸芯粘结而成,其中蜂窝纸芯的防水防潮性能成为决定整个蜂窝纸板的性能的重要因素,因此,有必要对蜂窝纸芯进行改性,以提高其蜂窝纸板的整体防水防潮性能,提高蜂窝纸整体性能,扩大蜂窝纸的运用领域。
发明内容
本发明为解决上述技术问题,提供了一种防水蜂窝纸芯及其制备方法。
具体是通过以下技术方案来实现的:
一种防水蜂窝纸芯,包括以下按重量份计的原料:落叶松40~60、蔗渣15~25、香蕉茎秆20~30、炭黑12~18、聚乙酸乙烯酯乳液12~18、淀粉颗粒8~12、改性钠基膨润土8~12、防水剂8~12;
所述的防水剂,包括以下按重量份计的原料:烷基磺酸钠8~12、烷基酚聚氧乙烯醚8~12、三聚磷酸钠1~5、环氧树脂12~18、二氧化钛3~6。
包括以下按重量份计的原料:落叶松45~55、蔗渣18~22、香蕉茎秆22~28、炭黑12~18、聚乙酸乙烯酯乳液12~18、淀粉颗粒8~12、改性钠基膨润土8~12、防水剂8~12。
包括以下按重量份计的原料:落叶松50、蔗渣20、香蕉茎秆25、炭黑15、聚乙酸乙烯酯乳液15、淀粉颗粒10、改性钠基膨润土10、防水剂10。
所述的改性钠基膨润土,是将钠基膨润土和1.8~2.2mol/L的氢氧化钠按1:1.5~2的质量比混合,100~110℃恒温水浴下,磁力搅拌器搅拌35~55min,加入柠檬酸,调节pH值为7,过滤,将滤渣在612~622℃,氮气保护下,煅烧1~1.5h,粉碎过50~100目筛即可。
所述防水蜂窝纸芯的制备方法,包括以下步骤:
(1)原浆制备:按配方量将落叶松、蔗渣和香蕉茎秆混合,加入所述混合物质量的1~2倍的氢氧化钠溶液,浸泡12~16min,过滤,水洗滤渣pH值为7,将滤渣破碎、打浆、浓缩、除杂后得原浆;
(2)混料:先将原浆泵入反应桶内,加入泵入料质量的2~3倍的水,机械搅拌,加热至75~85℃时,停止加热,加入聚乙酸乙烯酯乳液,恒温搅拌2~3h,再加入炭黑,恒温搅拌1~2h,再加入改性钠基膨润土,恒温搅拌6~8h,停止搅拌,进行抄纸、榨纸、扫纸、揭纸,制得原料纸;
(3)将淀粉颗粒与水按1:2~3的质量比混合,置于另外一个反应桶内,加热至70~80℃,加入3-氯-2-羟丙基三甲基氯化铵,搅拌1~2h,浓缩,再加入防水剂,搅拌1~2h,即制得浸液;
(4)制备纸芯:在50~60℃温度下,将原料纸浸入到浸液中并保持8~12min,取出后在120~130℃下烘干,再经过复卷、胶合、分切及粘结,即可。
所述的氢氧化钠溶液,其浓度为1.15~1.25mol/L。
所述的搅拌,转速为800~1200r/min。
所述的3-氯-2-羟丙基三甲基氯化铵,其添加量为淀粉颗粒质量的5~15%。
综上所述,本发明的有益效果在于:本发明制备的蜂窝纸芯,具有较好的防水防潮性能,提高其蜂窝纸板的整体防水防潮性能,提高蜂窝纸整体性能,扩大了蜂窝纸的运用领域。
具体实施方式
下面对本发明的具体实施方式作进一步详细的说明,但本发明并不局限于这些实施方式,任何在本实施例基本精神上的改进或代替,仍属于本发明权利要求所要求保护的范围。
实施例1
一种防水蜂窝纸芯,包括以下按重量份计的原料:落叶松40kg、蔗渣15kg、香蕉茎秆20kg、炭黑12kg、聚乙酸乙烯酯乳液12kg、淀粉颗粒8kg、改性钠基膨润土8kg、防水剂8kg;所述的防水剂,包括以下按重量份计的原料:烷基磺酸钠8kg、烷基酚聚氧乙烯醚8kg、三聚磷酸钠1kg、环氧树脂12kg、二氧化钛3kg;所述的改性钠基膨润土,是将钠基膨润土和1.8mol/L的氢氧化钠按1:1.5的质量比混合,100℃恒温水浴下,磁力搅拌器搅拌35min,加入柠檬酸,调节pH值为7,过滤,将滤渣在612℃,氮气保护下,煅烧1h,粉碎过50目筛即可。
所述防水蜂窝纸芯的制备方法,包括以下步骤:
(1)原浆制备:按配方量将落叶松、蔗渣和香蕉茎秆混合,加入所述混合物质量的1倍的浓度为1.15mol/L的氢氧化钠溶液,浸泡12min,过滤,水洗滤渣pH值为7,将滤渣破碎、打浆、浓缩、除杂后得原浆;
(2)混料:先将原浆泵入反应桶内,加入泵入料质量的2倍的水,在800r/min的转速下进行搅拌,加热至75℃时,停止加热,加入聚乙酸乙烯酯乳液,恒温搅拌2h,再加入炭黑,恒温搅拌1h,再加入改性钠基膨润土,恒温搅拌6h,停止搅拌,进行抄纸、榨纸、扫纸、揭纸,制得原料纸;
(3)将淀粉颗粒与水按1:2的质量比混合,置于另外一个反应桶内,加热至70℃,加入淀粉颗粒质量的5%的3-氯-2-羟丙基三甲基氯化铵,在800r/min的转速下搅拌1h,浓缩,再加入防水剂,在800r/min的转速下搅拌1h,即制得浸液;
(4)制备纸芯:在50℃温度下,将原料纸浸入到浸液中并保持8min,取出后在120℃下烘干,再经过复卷、胶合、分切及粘结,即可。
实施例2
一种防水蜂窝纸芯,包括以下按重量份计的原料:落叶松60kg、蔗渣25kg、香蕉茎秆30kg、炭黑18kg、聚乙酸乙烯酯乳液18kg、淀粉颗粒12kg、改性钠基膨润土12kg、防水剂12kg;所述的防水剂,包括以下按重量份计的原料:烷基磺酸钠12kg、烷基酚聚氧乙烯醚12kg、三聚磷酸钠5kg、环氧树脂18kg、二氧化钛6kg;所述的改性钠基膨润土,是将钠基膨润土和2.2mol/L的氢氧化钠按1:2的质量比混合,110℃恒温水浴下,磁力搅拌器搅拌55min,加入柠檬酸,调节pH值为7,过滤,将滤渣在622℃,氮气保护下,煅烧1.5h,粉碎过100目筛即可。
所述防水蜂窝纸芯的制备方法,包括以下步骤:
(1)原浆制备:按配方量将落叶松、蔗渣和香蕉茎秆混合,加入所述混合物质量的1~2倍的浓度为1.25mol/L的氢氧化钠溶液,浸泡16min,过滤,水洗滤渣pH值为7,将滤渣破碎、打浆、浓缩、除杂后得原浆;
(2)混料:先将原浆泵入反应桶内,加入泵入料质量的3倍的水,在1200r/min的转速下进行搅拌,加热至85℃时,停止加热,加入聚乙酸乙烯酯乳液,恒温搅拌3h,再加入炭黑,恒温搅拌2h,再加入改性钠基膨润土,恒温搅拌8h,停止搅拌,进行抄纸、榨纸、扫纸、揭纸,制得原料纸;
(3)将淀粉颗粒与水按1:3的质量比混合,置于另外一个反应桶内,加热至80℃,加入淀粉颗粒质量的15%的3-氯-2-羟丙基三甲基氯化铵,在1200r/min的转速下搅拌2h,浓缩,再加入防水剂,在1200r/min的转速下搅拌2h,即制得浸液;
(4)制备纸芯:在60℃温度下,将原料纸浸入到浸液中并保持12min,取出后在130℃下烘干,再经过复卷、胶合、分切及粘结,即可。
实施例3
一种防水蜂窝纸芯,包括以下按重量份计的原料:落叶松50kg、蔗渣20kg、香蕉茎秆25kg、炭黑15kg、聚乙酸乙烯酯乳液15kg、淀粉颗粒10kg、改性钠基膨润土10kg、防水剂10kg;所述的防水剂,包括以下按重量份计的原料:烷基磺酸钠10kg、烷基酚聚氧乙烯醚10kg、三聚磷酸钠3kg、环氧树脂15kg、二氧化钛5kg;所述的改性钠基膨润土,是将钠基膨润土和2mol/L的氢氧化钠按1:1.8的质量比混合,105℃恒温水浴下,磁力搅拌器搅拌45min,加入柠檬酸,调节pH值为7,过滤,将滤渣在615℃,氮气保护下,煅烧1.3h,粉碎过80目筛即可。
所述防水蜂窝纸芯的制备方法,包括以下步骤:
(1)原浆制备:按配方量将落叶松、蔗渣和香蕉茎秆混合,加入所述混合物质量的1.5倍的浓度为1.2mol/L的氢氧化钠溶液,浸泡14min,过滤,水洗滤渣pH值为7,将滤渣破碎、打浆、浓缩、除杂后得原浆;
(2)混料:先将原浆泵入反应桶内,加入泵入料质量的2.5倍的水,在1000r/min的转速下进行搅拌,加热至80℃时,停止加热,加入聚乙酸乙烯酯乳液,恒温搅拌2.5h,再加入炭黑,恒温搅拌1~2h,再加入改性钠基膨润土,恒温搅拌7h,停止搅拌,进行抄纸、榨纸、扫纸、揭纸,制得原料纸;
(3)将淀粉颗粒与水按1:2.5的质量比混合,置于另外一个反应桶内,加热至75℃,加入淀粉颗粒质量的10%的3-氯-2-羟丙基三甲基氯化铵,在1000r/min的转速下搅拌1.5h,浓缩,再加入防水剂,在1000r/min的转速下搅拌1.5h,即制得浸液;
(4)制备纸芯:在55℃温度下,将原料纸浸入到浸液中并保持10min,取出后在125℃下烘干,再经过复卷、胶合、分切及粘结,即可。
实施例4
一种防水蜂窝纸芯,包括以下按重量份计的原料:落叶松40kg、蔗渣25kg、香蕉茎秆20kg、炭黑18kg、聚乙酸乙烯酯乳液12kg、淀粉颗粒12kg、改性钠基膨润土8kg、防水剂12kg;所述的防水剂,包括以下按重量份计的原料:烷基磺酸钠8kg、烷基酚聚氧乙烯醚12kg、三聚磷酸钠1kg、环氧树脂18kg、二氧化钛3kg;所述的改性钠基膨润土,是将钠基膨润土和1.8mol/L的氢氧化钠按1:2的质量比混合,100℃恒温水浴下,磁力搅拌器搅拌35min,加入柠檬酸,调节pH值为7,过滤,将滤渣在622℃,氮气保护下,煅烧1h,粉碎过100目筛即可。
所述防水蜂窝纸芯的制备方法,包括以下步骤:
(1)原浆制备:按配方量将落叶松、蔗渣和香蕉茎秆混合,加入所述混合物质量的1倍的浓度为1.15mol/L的氢氧化钠溶液,浸泡16min,过滤,水洗滤渣pH值为7,将滤渣破碎、打浆、浓缩、除杂后得原浆;
(2)混料:先将原浆泵入反应桶内,加入泵入料质量的2倍的水,在1200r/min的转速下进行搅拌,加热至75℃时,停止加热,加入聚乙酸乙烯酯乳液,恒温搅拌3h,再加入炭黑,恒温搅拌1h,再加入改性钠基膨润土,恒温搅拌8h,停止搅拌,进行抄纸、榨纸、扫纸、揭纸,制得原料纸;
(3)将淀粉颗粒与水按1:2的质量比混合,置于另外一个反应桶内,加热至80℃,加入淀粉颗粒质量的15%的3-氯-2-羟丙基三甲基氯化铵,在800r/min的转速下搅拌2h,浓缩,再加入防水剂,在1200r/min的转速下搅拌1h,即制得浸液;
(4)制备纸芯:在50℃温度下,将原料纸浸入到浸液中并保持12min,取出后在120℃下烘干,再经过复卷、胶合、分切及粘结,即可。
实施例5
一种防水蜂窝纸芯,包括以下按重量份计的原料:落叶松60kg、蔗渣15kg、香蕉茎秆30kg、炭黑12kg、聚乙酸乙烯酯乳液18kg、淀粉颗粒8kg、改性钠基膨润土12kg、防水剂8kg;所述的防水剂,包括以下按重量份计的原料:烷基磺酸钠12kg、烷基酚聚氧乙烯醚8kg、三聚磷酸钠5kg、环氧树脂12kg、二氧化钛3kg;所述的改性钠基膨润土,是将钠基膨润土和2.2mol/L的氢氧化钠按1:1.5的质量比混合,110℃恒温水浴下,磁力搅拌器搅拌35min,加入柠檬酸,调节pH值为7,过滤,将滤渣在622℃,氮气保护下,煅烧1h,粉碎过100目筛即可。
所述防水蜂窝纸芯的制备方法,包括以下步骤:
(1)原浆制备:按配方量将落叶松、蔗渣和香蕉茎秆混合,加入所述混合物质量的1~2倍的浓度为1.25mol/L的氢氧化钠溶液,浸泡12min,过滤,水洗滤渣pH值为7,将滤渣破碎、打浆、浓缩、除杂后得原浆;
(2)混料:先将原浆泵入反应桶内,加入泵入料质量的3倍的水,在800r/min的转速下进行搅拌,加热至85℃时,停止加热,加入聚乙酸乙烯酯乳液,恒温搅拌2h,再加入炭黑,恒温搅拌2h,再加入改性钠基膨润土,恒温搅拌6h,停止搅拌,进行抄纸、榨纸、扫纸、揭纸,制得原料纸;
(3)将淀粉颗粒与水按1:3的质量比混合,置于另外一个反应桶内,加热至70℃,加入淀粉颗粒质量的15%的3-氯-2-羟丙基三甲基氯化铵,在1200r/min的转速下搅拌1h,浓缩,再加入防水剂,在800r/min的转速下搅拌2h,即制得浸液;
(4)制备纸芯:在60℃温度下,将原料纸浸入到浸液中并保持8min,取出后在130℃下烘干,再经过复卷、胶合、分切及粘结,即可。
分别以本实施1~5任一制备的蜂窝纸芯作为实验对象,以申请号201410470050.6《一种防水蜂窝纸芯墙体的制备工艺》公开的蜂窝纸芯作为对照,分别在相同实验时间内对实验组和对照组的纸芯的防潮性能和抗水性能进行测定,其中,防潮性能参照GBT1540-2002《纸和纸板吸水性的测定可勃法》,抗水性能通过现象观察,现象观察,是将水泼在纸板上,判断水是否能在纸板上停留或渗入纸板内,实验组和对照组制备的纸芯的初始重量均为140g,结果如表1所示:
表1
C=(m2-m1)×100;
C:可勃值,单位g/m3;
m2:吸水后称出的试样质量;
m1:吸水前称出的试样质量。
Claims (8)
1.一种防水蜂窝纸芯,其特征在于,包括以下按重量份计的原料:落叶松40~60、蔗渣15~25、香蕉茎秆20~30、炭黑12~18、聚乙酸乙烯酯乳液12~18、淀粉颗粒8~12、改性钠基膨润土8~12、防水剂8~12;
所述的防水剂,包括以下按重量份计的原料:烷基磺酸钠8~12、烷基酚聚氧乙烯醚8~12、三聚磷酸钠1~5、环氧树脂12~18、二氧化钛3~6。
2.如权利要求1所述的防水蜂窝纸芯,其特征在于,包括以下按重量份计的原料:落叶松45~55、蔗渣18~22、香蕉茎秆22~28、炭黑12~18、聚乙酸乙烯酯乳液12~18、淀粉颗粒8~12、改性钠基膨润土8~12、防水剂8~12。
3.如权利要求1所述的防水蜂窝纸芯,其特征在于,包括以下按重量份计的原料:落叶松50、蔗渣20、香蕉茎秆25、炭黑15、聚乙酸乙烯酯乳液15、淀粉颗粒10、改性钠基膨润土10、防水剂10。
4.如权利要求1所述的防水蜂窝纸芯,其特征在于,所述的改性钠基膨润土,是将钠基膨润土和1.8~2.2mol/L的氢氧化钠按1:1.5~2的质量比混合,100~110℃恒温水浴下,磁力搅拌器搅拌35~55min,加入柠檬酸,调节pH值为7,过滤,将滤渣在612~622℃,氮气保护下,煅烧1~1.5h,粉碎过50~100目筛即可。
5.如权利要求1所述防水蜂窝纸芯的制备方法,其特征在于,包括以下步骤:
(1)原浆制备:按配方量将落叶松、蔗渣和香蕉茎秆混合,加入所述混合物质量的1~2倍的氢氧化钠溶液,浸泡12~16min,过滤,水洗滤渣pH值为7,将滤渣破碎、打浆、浓缩、除杂后得原浆;
(2)混料:先将原浆泵入反应桶内,加入泵入料质量的2~3倍的水,机械搅拌,加热至75~85℃时,停止加热,加入聚乙酸乙烯酯乳液,恒温搅拌2~3h,再加入炭黑,恒温搅拌1~2h,再加入改性钠基膨润土,恒温搅拌6~8h,停止搅拌,进行抄纸、榨纸、扫纸、揭纸,制得原料纸;
(3)将淀粉颗粒与水按1:2~3的质量比混合,置于另外一个反应桶内,加热至70~80℃,加入3-氯-2-羟丙基三甲基氯化铵,搅拌1~2h,浓缩,再加入防水剂,搅拌1~2h,即制得浸液;
(4)制备纸芯:在50~60℃温度下,将原料纸浸入到浸液中并保持8~12min,取出后在120~130℃下烘干,再经过复卷、胶合、分切及粘结,即可。
6.如权利要求5所述防水蜂窝纸芯的制备方法,其特征在于,所述的氢氧化钠溶液,其浓度为1.15~1.25mol/L。
7.如权利要求5所述防水蜂窝纸芯的制备方法,其特征在于,所述的搅拌,转速为800~1200r/min。
8.如权利要求5所述防水蜂窝纸芯的制备方法,其特征在于,所述的3-氯-2-羟丙基三甲基氯化铵,其添加量为淀粉颗粒质量的5~15%。
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