CN107858864A - 一种阻燃蜂窝纸芯及其制备方法 - Google Patents

一种阻燃蜂窝纸芯及其制备方法 Download PDF

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CN107858864A
CN107858864A CN201711031954.9A CN201711031954A CN107858864A CN 107858864 A CN107858864 A CN 107858864A CN 201711031954 A CN201711031954 A CN 201711031954A CN 107858864 A CN107858864 A CN 107858864A
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吴先周
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Huayi New Mstar Technology Ltd Guizhou Tongren
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Abstract

本发明涉及材料技术领域,特别涉及一种阻燃蜂窝纸芯;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、阻燃剂8~12;通过阻燃剂的添加,有效的提高本发明蜂窝纸芯的燃点,使得本发明制备的蜂窝纸芯具有较好的防火阻燃性能,这将大大改善了蜂窝纸板的整体力学性能和阻燃性能上的不足,扩大了蜂窝纸芯的运用范围。

Description

一种阻燃蜂窝纸芯及其制备方法
技术领域
本发明涉及材料技术领域,特别涉及一种阻燃蜂窝纸芯及其制备方法。
背景技术
在物流运输过程中,电子产品、机电设备、家用电器的能够承受外界的冲击较弱,通常会使用缓冲型包装材料进行防护。传统的缓冲型包装材料主要为泡沫塑料,然而其在自然环境下无法自然降解,带来严重的白色污染。在环境污染的日益严重的当今,消费者对缓冲型包装材料的要求越来越高。市场上应用最多的环保缓冲型包装材料主要为生物质缓冲包装材料、瓦楞纸板、蜂窝纸板等。由于蜂窝纸板独特的蜂窝夹芯结构,具有优异的缓冲性能,应用范围广,可满足大体积且防震缓冲要求高的家用电器、大型电子仪器及易碎物品的包装。然而作为全纸质材料的蜂窝纸板,其实际防火、阻燃性能是非常低的,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,其中蜂窝纸芯的防火、阻燃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火、阻燃性能。
发明内容
本发明为解决上述技术问题,提供了一种阻燃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:
一种阻燃蜂窝纸芯,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、阻燃剂8~12;
所述的阻燃剂,包括以下按重量份计的原料:环状磷酸酯15~25、脂肪酸甘油酯6~12、石棉粉4~8、多聚磷酸铵12~18、磷酸二氢铵8~12。
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、阻燃剂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、阻燃剂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。
所述阻燃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,再加入阻燃剂,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:通过阻燃剂的添加,有效的提高本发明蜂窝纸芯的燃点,使得本发明制备的蜂窝纸芯具有较好的防火阻燃性能,这将大大改善了蜂窝纸板的整体力学性能和阻燃性能上的不足,扩大了蜂窝纸芯的运用范围。
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
一种阻燃蜂窝纸芯,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、阻燃剂8kg;所述的阻燃剂,包括以下按重量份计的原料:环状磷酸酯15kg、脂肪酸甘油酯6kg、石棉粉4kg、多聚磷酸铵12kg、磷酸二氢铵8kg;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。
所述阻燃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,再加入阻燃剂,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
一种阻燃蜂窝纸芯,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、阻燃剂12kg;所述的阻燃剂,包括以下按重量份计的原料:环状磷酸酯25kg、脂肪酸甘油酯12kg、石棉粉8kg、多聚磷酸铵18kg、磷酸二氢铵12kg;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。
所述阻燃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,再加入阻燃剂,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
一种阻燃蜂窝纸芯,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、阻燃剂10kg;所述的阻燃剂,包括以下按重量份计的原料:环状磷酸酯20kg、脂肪酸甘油酯10kg、石棉粉6kg、多聚磷酸铵15kg、磷酸二氢铵10kg;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。
所述阻燃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,再加入阻燃剂,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
一种阻燃蜂窝纸芯,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、阻燃剂12kg;所述的阻燃剂,包括以下按重量份计的原料:环状磷酸酯15kg、脂肪酸甘油酯12kg、石棉粉4kg、多聚磷酸铵18kg、磷酸二氢铵8kg;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。
所述阻燃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,再加入阻燃剂,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
一种阻燃蜂窝纸芯,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、阻燃剂8kg;所述的阻燃剂,包括以下按重量份计的原料:环状磷酸酯25kg、脂肪酸甘油酯6kg、石棉粉8kg、多聚磷酸铵12kg、磷酸二氢铵12kg;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。
所述阻燃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,再加入阻燃剂,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。
燃烧性检测,将该蜂窝纸芯用明火点燃,在0.5min时该蜂窝纸芯没被点燃,只有少量烟冒出,2min后,该复合保温材料上有火点,但是无明火产生,可见本发明制备的蜂窝纸芯具有较好的防火阻燃性能。

Claims (8)

1.一种阻燃蜂窝纸芯,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、阻燃剂8~12;
所述的阻燃剂,包括以下按重量份计的原料:环状磷酸酯15~25、脂肪酸甘油酯6~12、石棉粉4~8、多聚磷酸铵12~18、磷酸二氢铵8~12。
2.如权利要求1所述的阻燃蜂窝纸芯,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、阻燃剂8~12。
3.如权利要求1所述的阻燃蜂窝纸芯,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、阻燃剂10。
4.如权利要求1所述的阻燃蜂窝纸芯,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所述阻燃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,再加入阻燃剂,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所述阻燃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所述阻燃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所述阻燃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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