CN106012684A - 一种耐戳破防霉瓦楞纸材料及其制备方法 - Google Patents
一种耐戳破防霉瓦楞纸材料及其制备方法 Download PDFInfo
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Abstract
本发明一种耐戳破防霉瓦楞纸材料及其制备方法,所述瓦楞纸材料由瓦楞纸板和粘结剂构成,所述瓦楞纸板包括如下重量份数的组分:剑麻、椰纤维、硅藻土、纳米铜线、硅灰、芳纶浆粕、废旧纺织纤维、马齿苋提取液、硬脂酸钙、硫酸镁水溶液、玄武岩纤维、MBS、硫酸钙、石蜡乳液、N‑苯基‑γ‑氨丙基三甲氧基硅烷。所述粘结剂包括如下组分:醋酸乙烯‑乙烯乳液、丁醚化氨基树脂、木质素磺酸钠、牛脂、氢氧化钾、过氧化甲乙酮、石膏粉、松香、葡萄糖酸锌、硼砂。本发明制备的耐戳破防霉瓦楞纸材料的耐戳穿,缓冲性能优异,且抗菌率高,可改善传统瓦楞纸材料自身的缺陷,进一步扩宽其应用领域和范围。
Description
技术领域
本发明属于材料领域,具体涉及一种耐戳破防霉瓦楞纸材料及其制备方法。
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。其中,瓦楞纸板加工性能良好,使用温度范围宽,是一种绿色环保包装产品,然而由于瓦楞纸板主要通过结构缓冲,因此瓦楞纸板的耐缓冲性能有限;其次,瓦楞纸板主要为纸质材料,不仅容易被戳破,而且防霉效果差,这在一定程度上也会削弱其缓冲性能。鉴于此,研发出一种耐戳破防霉的瓦楞纸板势在必行。
发明内容
针对现有技术的不足,本发明的目的在于,提供一种耐戳破防霉瓦楞纸材料及其制备方法,该瓦楞纸材料具有良好的耐戳破性,可承受更大载荷,同时防霉性佳,缓冲性能优异。
为此,本发明提供以下技术方案:
一种耐戳破防霉瓦楞纸材料,所述瓦楞纸材料由瓦楞纸板和粘结剂构成,所述瓦楞纸板包括如下重量份数的组分:剑麻20-45份、椰纤维7-24份、硅藻土6-15份、纳米铜线3-8份、硅灰2-6份、芳纶浆粕1-5份、废旧纺织纤维13-20份、马齿苋提取液3-7份、硬脂酸钙2-9份、硫酸镁水溶液3-7份、玄武岩纤维1-8份、MBS 3-9份、硫酸钙1-5份、石蜡乳液1-4份、N-苯基-γ-氨丙基三甲氧基硅烷2-8份;
所述粘结剂包括如下重量份数的组分:醋酸乙烯-乙烯乳液15-25份、丁醚化氨基树脂11-18份、木质素磺酸钠3-7份、牛脂4-9份、氢氧化钾3-7份、过氧化甲乙酮2-8份、石膏粉2-7份、松香2-6份、葡萄糖酸锌4-9份、硼砂2-6份。
其中,所述废旧纺织纤维为丙纶、腈纶、氨纶、尼龙、涤纶中的一种或几种的混合物。
其中,所述瓦楞纸板包括如下重量份数的组分:剑麻33份、椰纤维16份、硅藻土9份、纳米铜线7份、硅灰5份、芳纶浆粕3份、废旧纺织纤维15份、马齿苋提取液6份、硬脂酸钙7份、硫酸镁水溶液4份、玄武岩纤维5份、MBS 4份、硫酸钙4份、石蜡乳液2份、N-苯基-γ-氨丙基三甲氧基硅烷7份。
其中,所述粘结剂包括如下重量份数的组分:醋酸乙烯-乙烯乳液18份、丁醚化氨基树脂14份、木质素磺酸钠6份、牛脂7份、氢氧化钾4份、过氧化甲乙酮6份、石膏粉3份、松香5份、葡萄糖酸锌6份、硼砂3份。
上述耐戳破防霉瓦楞纸材料的制备方法,包括如下步骤:
1)将剑麻、椰纤维、硅藻土、废旧纺织纤维进行破碎、打浆、筛选、浓缩、除杂后得到浆料;
2) 将上述浆料加入反应釜中,加入水至反应釜中水含量为50-70%,混合均匀,控制温度为65-80℃,搅拌10-30min,然后依次添加纳米铜线、硅灰、芳纶浆粕、硬脂酸钙、硫酸镁水溶液、玄武岩纤维、MBS、硫酸钙、石蜡乳液、N-苯基-γ-氨丙基三甲氧基硅烷、马齿苋提取液,以850rpm的转速搅拌,待反应釜中水含量为11-14%时,停止搅拌,然后制成瓦楞纸板半成品M;
3)将醋酸乙烯-乙烯乳液、丁醚化氨基树脂和牛脂置于搅拌罐中,加热至65-80℃,搅拌30-60min,然后加入氢氧化钾、过氧化甲乙酮、石膏粉、松香、 葡萄糖酸锌、硼砂,搅拌3h后,自然冷却至室温,真空脱泡得到粘结剂;
4)将上述粘结剂通过施胶机分别涂覆于上述纸板半成品M上,多个纸板半成品M经粘合剂粘合在一起得到半成品N;
5)将半成品N放入烘箱中,控制温度为90-105℃,保温3-8h后在常温下静置8-20小时,最后通风干燥24小时,即得耐戳破防霉瓦楞纸材料。
其中,所述步骤2)中控制温度为76℃,搅拌20min。
所述步骤3)中加热至70℃,搅拌50min。
所述步骤5)中控制温度为96℃,保温4.5h后在常温下静置12小时。
由于采用了以上技术方案,本发明的有益效果如下:
本发明制备的耐戳破防霉瓦楞纸材料的力学性能、缓冲性能和抗菌性均在一个较高的水平上,其戳穿强度达到32.6J,缓冲系数低于8.6,抗菌率高于91%,耐戳穿、缓冲和抗菌性能优异,综合性能良好,可改善传统瓦楞纸材料自身的缺陷,进一步扩宽其应用领域和范围。
具体实施方式
下面结合具体实施例来对本发明作进一步详细描述。以下实施例用于说明本发明,但不用来限制本发明的范围。
实施例1
本实施例所述耐戳破防霉瓦楞纸材料,所述瓦楞纸材料由瓦楞纸板和粘结剂构成,所述瓦楞纸板包括如下重量份数的组分:剑麻20份、椰纤维7份、硅藻土6份、纳米铜线3份、硅灰2份、芳纶浆粕1份、废旧纺织纤维13份、马齿苋提取液3份、硬脂酸钙2份、硫酸镁水溶液3份、玄武岩纤维1份、MBS 3份、硫酸钙1份、石蜡乳液1份、N-苯基-γ-氨丙基三甲氧基硅烷2份;
所述粘结剂包括如下重量份数的组分:醋酸乙烯-乙烯乳液15份、丁醚化氨基树脂11份、木质素磺酸钠3份、牛脂4份、氢氧化钾3份、过氧化甲乙酮2份、石膏粉2份、松香2份、葡萄糖酸锌4份、硼砂2份。
其中,所述废旧纺织纤维为质量比为1:2:4的丙纶、腈纶和氨纶的混合物。
所述马齿苋提取液为马齿苋酒精提取液,其浓度为1.5mg/ml。
本实施例所述的耐戳破防霉瓦楞纸材料的制备方法,包括如下步骤:
1)将剑麻、椰纤维、硅藻土、废旧纺织纤维进行破碎、打浆、筛选、浓缩、除杂后得到浆料;
2) 将上述浆料加入反应釜中,加入水至反应釜中水含量为50-70%,混合均匀,控制温度为65℃,搅拌10min,然后依次添加纳米铜线、硅灰、芳纶浆粕、硬脂酸钙、硫酸镁水溶液、玄武岩纤维、MBS、硫酸钙、石蜡乳液、N-苯基-γ-氨丙基三甲氧基硅烷、马齿苋提取液,以850rpm的转速搅拌,待反应釜中水含量为11-14%时,停止搅拌,然后制成瓦楞纸板半成品M;
3)将醋酸乙烯-乙烯乳液、丁醚化氨基树脂和牛脂置于搅拌罐中,加热至65℃,搅拌30min,然后加入氢氧化钾、过氧化甲乙酮、石膏粉、松香、 葡萄糖酸锌、硼砂,搅拌3h后,自然冷却至室温,真空脱泡得到粘结剂;
4)将上述粘结剂通过施胶机分别涂覆于上述纸板半成品M上,多个纸板半成品M经粘合剂粘合在一起得到半成品N;
5)将半成品N放入烘箱中,控制温度为90℃,保温3h后在常温下静置8小时,最后通风干燥24小时,即得耐戳破防霉瓦楞纸材料。
实施例2
本实施例所述耐戳破防霉瓦楞纸材料,所述瓦楞纸材料由瓦楞纸板和粘结剂构成,所述瓦楞纸板包括如下重量份数的组分:剑麻45份、椰纤维24份、硅藻土15份、纳米铜线8份、硅灰6份、芳纶浆粕5份、废旧纺织纤维20份、马齿苋提取液7份、硬脂酸钙9份、硫酸镁水溶液7份、玄武岩纤维8份、MBS 9份、硫酸钙5份、石蜡乳液4份、N-苯基-γ-氨丙基三甲氧基硅烷8份;
所述粘结剂包括如下重量份数的组分:醋酸乙烯-乙烯乳液25份、丁醚化氨基树脂18份、木质素磺酸钠7份、牛脂9份、氢氧化钾7份、过氧化甲乙酮8份、石膏粉7份、松香6份、葡萄糖酸锌9份、硼砂6份。
其中,所述废旧纺织纤维为质量比为3:2:1的氨纶、尼龙、涤纶的混合物。
所述马齿苋提取液为马齿苋酒精提取液,其浓度为1.5mg/ml。
本实施例所述的耐戳破防霉瓦楞纸材料的制备方法,包括如下步骤:
1)将剑麻、椰纤维、硅藻土、废旧纺织纤维进行破碎、打浆、筛选、浓缩、除杂后得到浆料;
2) 将上述浆料加入反应釜中,加入水至反应釜中水含量为50-70%,混合均匀,控制温度为80℃,搅拌30min,然后依次添加纳米铜线、硅灰、芳纶浆粕、硬脂酸钙、硫酸镁水溶液、玄武岩纤维、MBS、硫酸钙、石蜡乳液、N-苯基-γ-氨丙基三甲氧基硅烷、马齿苋提取液,以850rpm的转速搅拌,待反应釜中水含量为11-14%时,停止搅拌,然后制成瓦楞纸板半成品M;
3)将醋酸乙烯-乙烯乳液、丁醚化氨基树脂和牛脂置于搅拌罐中,加热至80℃,搅拌60min,然后加入氢氧化钾、过氧化甲乙酮、石膏粉、松香、 葡萄糖酸锌、硼砂,搅拌3h后,自然冷却至室温,真空脱泡得到粘结剂;
4)将上述粘结剂通过施胶机分别涂覆于上述纸板半成品M上,多个纸板半成品M经粘合剂粘合在一起得到半成品N;
5)将半成品N放入烘箱中,控制温度为105℃,保温8h后在常温下静置20小时,最后通风干燥24小时,即得耐戳破防霉瓦楞纸材料。
实施例3
本实施例所述耐戳破防霉瓦楞纸材料,所述瓦楞纸材料由瓦楞纸板和粘结剂构成,所述瓦楞纸板包括如下重量份数的组分:剑麻32份、椰纤维15份、硅藻土11份、纳米铜线5份、硅灰4份、芳纶浆粕3份、废旧纺织纤维16份、马齿苋提取液5份、硬脂酸钙5份、硫酸镁水溶液5份、玄武岩纤维4份、MBS 6份、硫酸钙3份、石蜡乳液2份、N-苯基-γ-氨丙基三甲氧基硅烷5份;
所述粘结剂包括如下重量份数的组分:醋酸乙烯-乙烯乳液20份、丁醚化氨基树脂14份、木质素磺酸钠5份、牛脂6份、氢氧化钾5份、过氧化甲乙酮5份、石膏粉4份、松香4份、葡萄糖酸锌6份、硼砂4份。
其中,所述废旧纺织纤维为质量比为5:1:2:2丙纶、氨纶、尼龙、涤纶的混合物。
所述马齿苋提取液为马齿苋酒精提取液,其浓度为1.5mg/ml。
本实施例所述的耐戳破防霉瓦楞纸材料的制备方法,包括如下步骤:
1)将剑麻、椰纤维、硅藻土、废旧纺织纤维进行破碎、打浆、筛选、浓缩、除杂后得到浆料;
2) 将上述浆料加入反应釜中,加入水至反应釜中水含量为50-70%,混合均匀,控制温度为72℃,搅拌20min,然后依次添加纳米铜线、硅灰、芳纶浆粕、硬脂酸钙、硫酸镁水溶液、玄武岩纤维、MBS、硫酸钙、石蜡乳液、N-苯基-γ-氨丙基三甲氧基硅烷、马齿苋提取液,以850rpm的转速搅拌,待反应釜中水含量为11-14%时,停止搅拌,然后制成瓦楞纸板半成品M;
3)将醋酸乙烯-乙烯乳液、丁醚化氨基树脂和牛脂置于搅拌罐中,加热至72℃,搅拌45min,然后加入氢氧化钾、过氧化甲乙酮、石膏粉、松香、 葡萄糖酸锌、硼砂,搅拌3h后,自然冷却至室温,真空脱泡得到粘结剂;
4)将上述粘结剂通过施胶机分别涂覆于上述纸板半成品M上,多个纸板半成品M经粘合剂粘合在一起得到半成品N;
5)将半成品N放入烘箱中,控制温度为97℃,保温5h后在常温下静置14小时,最后通风干燥24小时,即得耐戳破防霉瓦楞纸材料。
实施例4
本实施例所述耐戳破防霉瓦楞纸材料,所述瓦楞纸材料由瓦楞纸板和粘结剂构成,所述瓦楞纸板包括如下重量份数的组分:剑麻33份、椰纤维16份、硅藻土9份、纳米铜线7份、硅灰5份、芳纶浆粕3份、废旧纺织纤维15份、马齿苋提取液6份、硬脂酸钙7份、硫酸镁水溶液4份、玄武岩纤维5份、MBS 4份、硫酸钙4份、石蜡乳液2份、N-苯基-γ-氨丙基三甲氧基硅烷7份;
所述粘结剂包括如下重量份数的组分:醋酸乙烯-乙烯乳液18份、丁醚化氨基树脂14份、木质素磺酸钠6份、牛脂7份、氢氧化钾4份、过氧化甲乙酮6份、石膏粉3份、松香5份、葡萄糖酸锌6份、硼砂3份。
其中,所述废旧纺织纤维为质量比为2:3:1的腈纶、氨纶、涤纶的混合物。
所述马齿苋提取液为马齿苋酒精提取液,其浓度为1.5mg/ml。
本实施例所述的耐戳破防霉瓦楞纸材料的制备方法,包括如下步骤:
1)将剑麻、椰纤维、硅藻土、废旧纺织纤维进行破碎、打浆、筛选、浓缩、除杂后得到浆料;
2) 将上述浆料加入反应釜中,加入水至反应釜中水含量为50-70%,混合均匀,控制温度为76℃,搅拌20min,然后依次添加纳米铜线、硅灰、芳纶浆粕、硬脂酸钙、硫酸镁水溶液、玄武岩纤维、MBS、硫酸钙、石蜡乳液、N-苯基-γ-氨丙基三甲氧基硅烷、马齿苋提取液,以850rpm的转速搅拌,待反应釜中水含量为11-14%时,停止搅拌,然后制成瓦楞纸板半成品M;
3)将醋酸乙烯-乙烯乳液、丁醚化氨基树脂和牛脂置于搅拌罐中,加热至70℃,搅拌50min,然后加入氢氧化钾、过氧化甲乙酮、石膏粉、松香、 葡萄糖酸锌、硼砂,搅拌3h后,自然冷却至室温,真空脱泡得到粘结剂;
4)将上述粘结剂通过施胶机分别涂覆于上述纸板半成品M上,多个纸板半成品M经粘合剂粘合在一起得到半成品N;
5)将半成品N放入烘箱中,控制温度为96℃,保温4.5h后在常温下静置12小时,最后通风干燥24小时,即得耐戳破防霉瓦楞纸材料。
实施例5
本实施例所述耐戳破防霉瓦楞纸材料,所述瓦楞纸材料由瓦楞纸板和粘结剂构成,所述瓦楞纸板包括如下重量份数的组分:剑麻40份、椰纤维18份、硅藻土7份、纳米铜线4份、硅灰5份、芳纶浆粕2份、废旧纺织纤维18份、马齿苋提取液5份、硬脂酸钙4份、硫酸镁水溶液4份、玄武岩纤维5份、MBS 6份、硫酸钙2份、石蜡乳液3份、N-苯基-γ-氨丙基三甲氧基硅烷3份;
所述粘结剂包括如下重量份数的组分:醋酸乙烯-乙烯乳液17份、丁醚化氨基树脂12份、木质素磺酸钠4份、牛脂5份、氢氧化钾4份、过氧化甲乙酮3份、石膏粉5份、松香4份、葡萄糖酸锌6份、硼砂4份。
其中,所述废旧纺织纤维为质量比为4:1:1:2:3丙纶、腈纶、氨纶、尼龙、涤纶的混合物。
所述马齿苋提取液为马齿苋酒精提取液,其浓度为1.5mg/ml。
本实施例所述的耐戳破防霉瓦楞纸材料的制备方法,包括如下步骤:
1)将剑麻、椰纤维、硅藻土、废旧纺织纤维进行破碎、打浆、筛选、浓缩、除杂后得到浆料;
2) 将上述浆料加入反应釜中,加入水至反应釜中水含量为50-70%,混合均匀,控制温度为70℃,搅拌15min,然后依次添加纳米铜线、硅灰、芳纶浆粕、硬脂酸钙、硫酸镁水溶液、玄武岩纤维、MBS、硫酸钙、石蜡乳液、N-苯基-γ-氨丙基三甲氧基硅烷、马齿苋提取液,以850rpm的转速搅拌,待反应釜中水含量为11-14%时,停止搅拌,然后制成瓦楞纸板半成品M;
3)将醋酸乙烯-乙烯乳液、丁醚化氨基树脂和牛脂置于搅拌罐中,加热至70℃,搅拌50min,然后加入氢氧化钾、过氧化甲乙酮、石膏粉、松香、 葡萄糖酸锌、硼砂,搅拌3h后,自然冷却至室温,真空脱泡得到粘结剂;
4)将上述粘结剂通过施胶机分别涂覆于上述纸板半成品M上,多个纸板半成品M经粘合剂粘合在一起得到半成品N;
5)将半成品N放入烘箱中,控制温度为98℃,保温4h后在常温下静置10小时,最后通风干燥24小时,即得耐戳破防霉瓦楞纸材料。
对比例1
本对比例的原料选配及其制备方法同实施例2,区别之处在于:不添加马齿苋提取液、硫酸镁水溶液和MBS。
对比例2
本对比例的原料选配及其制备方法同实施例2,区别之处在于:不添加玄武岩纤维、硅藻土和纳米铜线。
测试例
将上述瓦楞纸材料加工成常规的七层三瓦楞纸板,按照本领域的常规测试指标对纸板的瓦楞纸材料进行性能测试,其测试结果如下表所示:
戳穿强度J | 缓冲系数 | 抗菌率% | |
实施例1 | 32.6 | 8.6 | 91.5 |
实施例2 | 32.2 | 8.2 | 93.2 |
实施例3 | 34.5 | 8.3 | 92.5 |
实施例4 | 37.9 | 7.5 | 94.5 |
实施例5 | 36.1 | 7.4 | 93.3 |
对比例1 | 30.4 | 9.2 | 86.7 |
对比例2 | 26.2 | 9.8 | 82.5 |
由上表可知,本发明制备的耐戳破防霉瓦楞纸材料的力学性能、缓冲性能和抗菌性均在一个较高的水平上,其戳穿强度达到32.6J,缓冲系数低于8.6,抗菌率高于91%,综合性能良好,可改善传统瓦楞纸材料自身的缺陷,进一步扩宽其应用领域和范围。
Claims (8)
1. 一种耐戳破防霉瓦楞纸材料,其特征在于,所述瓦楞纸材料由瓦楞纸板和粘结剂构成,所述瓦楞纸板包括如下重量份数的组分:剑麻20-45份、椰纤维7-24份、硅藻土6-15份、纳米铜线3-8份、硅灰2-6份、芳纶浆粕1-5份、废旧纺织纤维13-20份、马齿苋提取液3-7份、硬脂酸钙2-9份、硫酸镁水溶液3-7份、玄武岩纤维1-8份、MBS 3-9份、硫酸钙1-5份、石蜡乳液1-4份、N-苯基-γ-氨丙基三甲氧基硅烷2-8份;
所述粘结剂包括如下重量份数的组分:醋酸乙烯-乙烯乳液15-25份、丁醚化氨基树脂11-18份、木质素磺酸钠3-7份、牛脂4-9份、氢氧化钾3-7份、过氧化甲乙酮2-8份、石膏粉2-7份、松香2-6份、葡萄糖酸锌4-9份、硼砂2-6份。
2. 根据权利要求1所述的耐戳破防霉瓦楞纸材料,其特征在于,所述废旧纺织纤维为丙纶、腈纶、氨纶、尼龙、涤纶中的一种或几种的混合物。
3. 根据权利要求1所述的耐戳破防霉瓦楞纸材料,其特征在于,所述瓦楞纸板包括如下重量份数的组分:剑麻33份、椰纤维16份、硅藻土9份、纳米铜线7份、硅灰5份、芳纶浆粕3份、废旧纺织纤维15份、马齿苋提取液6份、硬脂酸钙7份、硫酸镁水溶液4份、玄武岩纤维5份、MBS 4份、硫酸钙4份、石蜡乳液2份、N-苯基-γ-氨丙基三甲氧基硅烷7份。
4. 根据权利要求1或2或3所述的耐戳破防霉瓦楞纸材料,其特征在于,所述粘结剂包括如下重量份数的组分:醋酸乙烯-乙烯乳液18份、丁醚化氨基树脂14份、木质素磺酸钠6份、牛脂7份、氢氧化钾4份、过氧化甲乙酮6份、石膏粉3份、松香5份、葡萄糖酸锌6份、硼砂3份。
5. 如权利要求1-4任意一项所述的耐戳破防霉瓦楞纸材料的制备方法,其特征在于,包括如下步骤:
1)将剑麻、椰纤维、硅藻土、废旧纺织纤维进行破碎、打浆、筛选、浓缩、除杂后得到浆料;
2) 将上述浆料加入反应釜中,加入水至反应釜中水含量为50-70%,混合均匀,控制温度为65-80℃,搅拌10-30min,然后依次添加纳米铜线、硅灰、芳纶浆粕、硬脂酸钙、硫酸镁水溶液、玄武岩纤维、MBS、硫酸钙、石蜡乳液、N-苯基-γ-氨丙基三甲氧基硅烷、马齿苋提取液,以850rpm的转速搅拌,待反应釜中水含量为11-14%时,停止搅拌,然后制成瓦楞纸板半成品M;
3)将醋酸乙烯-乙烯乳液、丁醚化氨基树脂和牛脂置于搅拌罐中,加热至65-80℃,搅拌30-60min,然后加入氢氧化钾、过氧化甲乙酮、石膏粉、松香、 葡萄糖酸锌、硼砂,搅拌3h后,自然冷却至室温,真空脱泡得到粘结剂;
4)将上述粘结剂通过施胶机分别涂覆于上述纸板半成品M上,多个纸板半成品M经粘合剂粘合在一起得到半成品N;
5)将半成品N放入烘箱中,控制温度为90-105℃,保温3-8h后在常温下静置8-20小时,最后通风干燥24小时,即得耐戳破防霉瓦楞纸材料。
6. 根据权利要求5所述的耐戳破防霉瓦楞纸材料的制备方法,其特征在于,所述步骤2)中控制温度为76℃,搅拌20min。
7. 根据权利要求5所述的耐戳破防霉瓦楞纸材料的制备方法,其特征在于,所述步骤3)中加热至70℃,搅拌50min。
8. 根据权利要求5所述的耐戳破防霉瓦楞纸材料的制备方法,其特征在于,所述步骤5)中控制温度为96℃,保温4.5h后在常温下静置12小时。
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