CN110004763A - 一种抗菌防水纸的制备方法 - Google Patents
一种抗菌防水纸的制备方法 Download PDFInfo
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- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
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- D06M11/00—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with inorganic substances or complexes thereof; Such treatment combined with mechanical treatment, e.g. mercerising
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Abstract
本发明涉及一种抗菌防水纸的制备方法,属于抗菌防水纸技术领域。本发明采用化学还原法以硼氢化钠还原硝酸银,在植物纤维表面负载一层纳米银,然后在负载银的植物纤维表面包覆一层纳米二氧化钛,使得制备的抗菌防水纸具有良好的抗菌效果,纳米银具有强效抗菌和广谱抗菌的作用,由于包括病毒、细菌、真菌在内的微生物都是由有机物构成的,所以二氧化钛能在光的激发下降解微生物的有机组分而损伤甚至杀死细菌、真菌、病毒;本发明以高官能度、多羟值的蓖麻油、异佛尔酮二异氰酸酯、溶剂丙酮,阻聚剂正磷酸为原料,合成聚氨酯预聚物,利用沥青改性聚氨酯,使得制备的抗菌防水纸具有良好的防水效果,沥青具有良好的粘结性、抗水性、防腐性和耐久性。
Description
技术领域
本发明涉及一种抗菌防水纸的制备方法,属于抗菌防水纸技术领域。
背景技术
目前,常用于日常生活中的抗菌纸的类型主要分为以下几类:抗菌防霉纸袋、抗菌防潮电缆纸、杀菌纸、医用抗菌纸、抗菌保鲜纸、抗菌涂布纸等。除了常见的这些抗菌纸,其他类型的抗菌纸包括馆藏用纸、防虫纸、育苗纸、土建纸和壁纸等,这些纸张在博物馆和美术馆的艺术品保存以及土木建筑方面都有比较广泛的应用。
抗菌纸的制备方法有很多种,除了将本身具有一定抗菌功能的纤维直接抄造成纸之外,最常用的方式就是在纸张中添加抗菌剂,而根据其添加方式的不同可以分为湿部添加法、纤维抄造法及表面加工法。
食品在储存和运输过程中需要预防腐败微生物、化学污染物、氧气、湿气、光线等不利因素的干扰,所以包装材料除了具有抗微生物功能外,还需具备隔氧、防水和水蒸气这些功能,这对于延长食品的保存时间、保证食品质量和安全具有重要的意义。相比于具有单一抗菌性或防水性的纤维素基材料而言,具有抗菌防水双功能的功能纸的研究相对较少。纸张添加剂可用于改善包装用纸的特性,目前,已报道了许多天然聚合物用于抗菌防水的应用,包括壳聚糖、乳清蛋白分离物、淀粉及其衍生物。
纸基材料因其绿色环保的特性而广泛用于包装材料。抗菌纸是一种具有杀灭或抑制微生物的新型功能材料,它能够用于食品的长期保存和运输。因为食品的受潮也是食品变质的原因,所以防水性能对于包装材料来说也非常重要。蜂蜡由于其优异的阻隔性,可用作纸张的防水剂,银纳米粒子作为抗菌剂添加到蜂蜡中可制备具有抗菌防水性能的纸基功能材料,因此需要制备一种具有良好性能的抗菌防水纸基功能材料。
发明内容
本发明所要解决的技术问题:针对现有抗菌纸防水性能较差的问题,提供了一种抗菌防水纸的制备方法。
为解决上述技术问题,本发明采用的技术方案是:
(1)取木质纤维、0.1mol/L硝酸银溶液、0.2mol/L硼氢化钠溶液、质量分数为20%钛酸溶液、质量分数为10%氢氧化钠溶液、去离子水,将木质纤维和去离子水混合均匀,即得分散液,在分散液中加入0.1mol/L硝酸银溶液,进行磁力搅拌处理,即得混合液A,在混合液A中加入0.2mol/L硼氢化钠溶液,并进行搅拌处理,即得混合液B,在混合液B中加入质量分数为20%钛酸溶液、质量分数为10%氢氧化钠溶液,进行搅拌陈化处理,即得混合液C,过滤得滤渣,将滤渣进行洗涤干燥,即得改性纤维;
(2)取改性纤维、蓖麻油、异佛尔酮二异氰酸酯、辛酸亚锡、正磷酸、沥青、丙酮,将异佛尔酮二异氰酸酯和正磷酸混合搅拌15~20min,即得混合物,在混合物中加入蓖麻油、辛酸亚锡和丙酮,搅拌反应,即得反应物,在反应物中加入改性纤维和沥青,高速剪切,即得浆料,将浆料通过抄纸机抄纸,即得坯体,将坯体置于烘箱中干燥处理,即得抗菌防水纸。
步骤(1)所述的木质纤维、0.1mol/L硝酸银溶液、0.2mol/L硼氢化钠溶液、质量分数为20%钛酸溶液、质量分数为10%氢氧化钠溶液、去离子水之间的比例为:按重量份数计,分别称取30~40份木质纤维、3~10份0.1mol/L硝酸银溶液、1~5份0.2mol/L硼氢化钠溶液、5~15份质量分数为20%钛酸溶液、1~10份质量分数为10%氢氧化钠溶液、80~120份去离子水。
步骤(1)所述的在分散液中加入0.1mol/L硝酸银溶液,进行磁力搅拌处理步骤为:在分散液中加入0.1mol/L硝酸银溶液,在转速为800~860r/min下磁力搅拌10~15min。
步骤(1)所述的在混合液A中加入0.2mol/L硼氢化钠溶液,并进行搅拌处理步骤为:在混合液A中加入0.2mol/L硼氢化钠溶液,在搅拌速度为300~400r/min下搅拌1~2h。
步骤(1)所述的在混合液B中加入质量分数为20%钛酸溶液、质量分数为10%氢氧化钠溶液,进行搅拌陈化处理步骤为:在混合液B中加入质量分数为20%钛酸溶液、质量分数为10%氢氧化钠溶液,在温度为60~80℃下搅拌均匀,并静置陈化3~4h。
步骤(1)所述的将滤渣进行洗涤干燥步骤为:将滤渣用去离子水洗涤3~5次,并在温度为80~100℃下干燥至恒重。
步骤(2)所述的改性纤维、蓖麻油、异佛尔酮二异氰酸酯、辛酸亚锡、正磷酸、沥青、丙酮之间的比例为:按重量份数计,分别称取40~60份改性纤维、10~20份蓖麻油、5~15份异佛尔酮二异氰酸酯、1~3份辛酸亚锡、1~5份正磷酸、1~5份沥青、20~40份丙酮。
步骤(2)所述的在混合物中加入蓖麻油、辛酸亚锡和丙酮,搅拌反应步骤为:在混合物中加入蓖麻油、辛酸亚锡和丙酮,在氮气气氛下常温搅拌反应1~2h。
步骤(2)所述的在反应物中加入改性纤维和沥青,高速剪切处理步骤为:在反应物中加入改性纤维和沥青,在温度为120~130℃,转速为3000~5000r/min下高速剪切50~70min。
步骤(2)所述的将坯体置于烘箱中干燥处理步骤为:将坯体置于温度为60~80℃的烘箱中干燥至恒重。
本发明与其他方法相比,有益技术效果是:
(1)本发明采用化学还原法以硼氢化钠还原硝酸银,在木质纤维表面负载一层纳米银,然后在负载银的木质纤维表面包覆一层纳米二氧化钛,使得制备的抗菌防水纸具有良好的抗菌效果;纤维表面包覆着大量的纳米二氧化钛粒子,这大大提高了抗菌防水纸表面的粗糙度,提高抗菌防水纸表面的粗糙度有利于提高其表面润湿性,使得抗菌防水纸具有良好的疏水效果;
(2)本发明中纳米银具有强效抗菌和广谱抗菌的作用,纳米银能与细菌细胞膜上的磷化物和硫化物结合,从而破坏细胞膜的渗透性;进入细胞膜的纳米银能与细胞内蛋白质和DNA上的硫化物或磷化物反应,阻断细胞内酶的功能和DNA的复制转录;活性氧簇是生物呼吸代谢的天然副产物,少量的活性氧簇可以通过细胞的抗氧化防御来控制,而过量的活性氧簇产生则可能产生氧化应激反应;额外产生的自由基可以攻击细胞膜脂,并导致膜和线粒体功能的破坏或导致DNA损伤;金属可以作为催化剂并在溶解氧存在的情况下产生活性氧簇,银纳米粒子可以与氧发生催化反应,从而产生过量的自由基;银纳米颗粒和膜细胞的相互作用的优先位点是其含硫蛋白质,它以类似于银与呼吸链蛋白质和转运蛋白质的巯基相互作用而干扰它们的正常功能;
(3)本发明中二氧化钛受一定能量的光子激发后,会发生光催化反应并产生许多具有强氧化性的物质,这些强氧化性物质能与有机物发生一系列的氧化还原反应而将有机物降解。由于包括病毒、细菌、真菌在内的微生物都是由有机物构成的,所以二氧化钛能在光的激发下降解微生物的有机组分而损伤甚至杀死细菌、真菌、病毒;
(4)本发明以高官能度、多羟值的蓖麻油、异佛尔酮二异氰酸酯、溶剂丙酮,阻聚剂正磷酸为原料,合成聚氨酯预聚物,利用沥青改性聚氨酯,使得制备的抗菌防水纸具有良好的防水效果,沥青具有良好的粘结性、塑性、抗水性、防腐性和耐久性;沥青的加入主要能提升抗菌防水纸的防水性能;另外,聚氨酯更容易分散,沥青和聚氨酯形成相互填充整体结构,从而提高了抗菌防水纸的强度。
具体实施方式
按重量份数计,分别称取30~40份木质纤维、3~10份0.1mol/L硝酸银溶液、1~5份0.2mol/L硼氢化钠溶液、5~15份质量分数为20%钛酸溶液、1~10份质量分数为10%氢氧化钠溶液、80~120份去离子水,将木质纤维和去离子水混合均匀,即得分散液,在分散液中加入0.1mol/L硝酸银溶液,在转速为800~860r/min下磁力搅拌10~15min,即得混合液A,在混合液A中加入0.2mol/L硼氢化钠溶液,在搅拌速度为300~400r/min下搅拌1~2h,即得混合液B,在混合液B中加入质量分数为20%钛酸溶液、质量分数为10%氢氧化钠溶液,在温度为60~80℃下搅拌均匀,静置陈化3~4h,即得混合液C,过滤得滤渣,将滤渣用去离子水洗涤3~5次,并在温度为80~100℃下干燥至恒重,即得改性纤维;按重量份数计,分别称取40~60份改性纤维、10~20份蓖麻油、5~15份异佛尔酮二异氰酸酯、1~3份辛酸亚锡、1~5份正磷酸、1~5份沥青、20~40份丙酮,将异佛尔酮二异氰酸酯和正磷酸混合搅拌15~20min,即得混合物,在混合物中加入蓖麻油、辛酸亚锡和丙酮,在氮气气氛下常温搅拌反应1~2h,即得反应物,在反应物中加入改性纤维和沥青,在温度为120~130℃,转速为3000~5000r/min下高速剪切50~70min,即得浆料,将浆料通过抄纸机抄纸,即得坯体,将坯体置于温度为60~80℃的烘箱中干燥至恒重,即得抗菌防水纸。
取木质纤维、0.1mol/L硝酸银溶液、0.2mol/L硼氢化钠溶液、质量分数为20%钛酸溶液、质量分数为10%氢氧化钠溶液、去离子水,将木质纤维和去离子水混合均匀,即得分散液,在分散液中加入0.1mol/L硝酸银溶液,进行磁力搅拌处理,即得混合液A,在混合液A中加入0.2mol/L硼氢化钠溶液,并进行搅拌处理,即得混合液B,在混合液B中加入质量分数为20%钛酸溶液、质量分数为10%氢氧化钠溶液,进行搅拌陈化处理,即得混合液C,过滤得滤渣,将滤渣进行洗涤干燥,即得改性纤维;取改性纤维、蓖麻油、异佛尔酮二异氰酸酯、辛酸亚锡、正磷酸、沥青、丙酮,将异佛尔酮二异氰酸酯和正磷酸混合搅拌15min,即得混合物,在混合物中加入蓖麻油、辛酸亚锡和丙酮,搅拌反应,即得反应物,在反应物中加入改性纤维和沥青,高速剪切,即得浆料,将浆料通过抄纸机抄纸,即得坯体,将坯体置于烘箱中干燥处理,即得抗菌防水纸。木质纤维、0.1mol/L硝酸银溶液、0.2mol/L硼氢化钠溶液、质量分数为20%钛酸溶液、质量分数为10%氢氧化钠溶液、去离子水之间的比例为:按重量份数计,分别称取30份木质纤维、3份0.1mol/L硝酸银溶液、1份0.2mol/L硼氢化钠溶液、5份质量分数为20%钛酸溶液、1份质量分数为10%氢氧化钠溶液、80份去离子水。在分散液中加入0.1mol/L硝酸银溶液,进行磁力搅拌处理步骤为:在分散液中加入0.1mol/L硝酸银溶液,在转速为800r/min下磁力搅拌10min。在混合液A中加入0.2mol/L硼氢化钠溶液,并进行搅拌处理步骤为:在混合液A中加入0.2mol/L硼氢化钠溶液,在搅拌速度为300r/min下搅拌1h。在混合液B中加入质量分数为20%钛酸溶液、质量分数为10%氢氧化钠溶液,进行搅拌陈化处理步骤为:在混合液B中加入质量分数为20%钛酸溶液、质量分数为10%氢氧化钠溶液,在温度为60℃下搅拌均匀,并静置陈化3h。将滤渣进行洗涤干燥步骤为:将滤渣用去离子水洗涤3次,并在温度为80℃下干燥至恒重。改性纤维、蓖麻油、异佛尔酮二异氰酸酯、辛酸亚锡、正磷酸、沥青、丙酮之间的比例为:按重量份数计,分别称取40份改性纤维、10份蓖麻油、5份异佛尔酮二异氰酸酯、1份辛酸亚锡、1份正磷酸、1份沥青、20份丙酮。在混合物中加入蓖麻油、辛酸亚锡和丙酮,搅拌反应步骤为:在混合物中加入蓖麻油、辛酸亚锡和丙酮,在氮气气氛下常温搅拌反应1h。在反应物中加入改性纤维和沥青,高速剪切处理步骤为:在反应物中加入改性纤维和沥青,在温度为120℃,转速为3000r/min下高速剪切50min。将坯体置于烘箱中干燥处理步骤为:将坯体置于温度为60℃的烘箱中干燥至恒重。
取木质纤维、0.1mol/L硝酸银溶液、0.2mol/L硼氢化钠溶液、质量分数为20%钛酸溶液、质量分数为10%氢氧化钠溶液、去离子水,将木质纤维和去离子水混合均匀,即得分散液,在分散液中加入0.1mol/L硝酸银溶液,进行磁力搅拌处理,即得混合液A,在混合液A中加入0.2mol/L硼氢化钠溶液,并进行搅拌处理,即得混合液B,在混合液B中加入质量分数为20%钛酸溶液、质量分数为10%氢氧化钠溶液,进行搅拌陈化处理,即得混合液C,过滤得滤渣,将滤渣进行洗涤干燥,即得改性纤维;取改性纤维、蓖麻油、异佛尔酮二异氰酸酯、辛酸亚锡、正磷酸、沥青、丙酮,将异佛尔酮二异氰酸酯和正磷酸混合搅拌18min,即得混合物,在混合物中加入蓖麻油、辛酸亚锡和丙酮,搅拌反应,即得反应物,在反应物中加入改性纤维和沥青,高速剪切,即得浆料,将浆料通过抄纸机抄纸,即得坯体,将坯体置于烘箱中干燥处理,即得抗菌防水纸。木质纤维、0.1mol/L硝酸银溶液、0.2mol/L硼氢化钠溶液、质量分数为20%钛酸溶液、质量分数为10%氢氧化钠溶液、去离子水之间的比例为:按重量份数计,分别称取35份木质纤维、8份0.1mol/L硝酸银溶液、3份0.2mol/L硼氢化钠溶液、10份质量分数为20%钛酸溶液、5份质量分数为10%氢氧化钠溶液、100份去离子水。在分散液中加入0.1mol/L硝酸银溶液,进行磁力搅拌处理步骤为:在分散液中加入0.1mol/L硝酸银溶液,在转速为830r/min下磁力搅拌12min。在混合液A中加入0.2mol/L硼氢化钠溶液,并进行搅拌处理步骤为:在混合液A中加入0.2mol/L硼氢化钠溶液,在搅拌速度为350r/min下搅拌1h。在混合液B中加入质量分数为20%钛酸溶液、质量分数为10%氢氧化钠溶液,进行搅拌陈化处理步骤为:在混合液B中加入质量分数为20%钛酸溶液、质量分数为10%氢氧化钠溶液,在温度为70℃下搅拌均匀,并静置陈化3h。将滤渣进行洗涤干燥步骤为:将滤渣用去离子水洗涤4次,并在温度为90℃下干燥至恒重。改性纤维、蓖麻油、异佛尔酮二异氰酸酯、辛酸亚锡、正磷酸、沥青、丙酮之间的比例为:按重量份数计,分别称取50份改性纤维、15份蓖麻油、10份异佛尔酮二异氰酸酯、2份辛酸亚锡、3份正磷酸、3份沥青、30份丙酮。在混合物中加入蓖麻油、辛酸亚锡和丙酮,搅拌反应步骤为:在混合物中加入蓖麻油、辛酸亚锡和丙酮,在氮气气氛下常温搅拌反应1h。在反应物中加入改性纤维和沥青,高速剪切处理步骤为:在反应物中加入改性纤维和沥青,在温度为125℃,转速为4000r/min下高速剪切60min。将坯体置于烘箱中干燥处理步骤为:将坯体置于温度为70℃的烘箱中干燥至恒重。
取木质纤维、0.1mol/L硝酸银溶液、0.2mol/L硼氢化钠溶液、质量分数为20%钛酸溶液、质量分数为10%氢氧化钠溶液、去离子水,将木质纤维和去离子水混合均匀,即得分散液,在分散液中加入0.1mol/L硝酸银溶液,进行磁力搅拌处理,即得混合液A,在混合液A中加入0.2mol/L硼氢化钠溶液,并进行搅拌处理,即得混合液B,在混合液B中加入质量分数为20%钛酸溶液、质量分数为10%氢氧化钠溶液,进行搅拌陈化处理,即得混合液C,过滤得滤渣,将滤渣进行洗涤干燥,即得改性纤维;取改性纤维、蓖麻油、异佛尔酮二异氰酸酯、辛酸亚锡、正磷酸、沥青、丙酮,将异佛尔酮二异氰酸酯和正磷酸混合搅拌20min,即得混合物,在混合物中加入蓖麻油、辛酸亚锡和丙酮,搅拌反应,即得反应物,在反应物中加入改性纤维和沥青,高速剪切,即得浆料,将浆料通过抄纸机抄纸,即得坯体,将坯体置于烘箱中干燥处理,即得抗菌防水纸。木质纤维、0.1mol/L硝酸银溶液、0.2mol/L硼氢化钠溶液、质量分数为20%钛酸溶液、质量分数为10%氢氧化钠溶液、去离子水之间的比例为:按重量份数计,分别称取40份木质纤维、10份0.1mol/L硝酸银溶液、5份0.2mol/L硼氢化钠溶液、15份质量分数为20%钛酸溶液、10份质量分数为10%氢氧化钠溶液、120份去离子水。在分散液中加入0.1mol/L硝酸银溶液,进行磁力搅拌处理步骤为:在分散液中加入0.1mol/L硝酸银溶液,在转速为860r/min下磁力搅拌15min。在混合液A中加入0.2mol/L硼氢化钠溶液,并进行搅拌处理步骤为:在混合液A中加入0.2mol/L硼氢化钠溶液,在搅拌速度为400r/min下搅拌2h。在混合液B中加入质量分数为20%钛酸溶液、质量分数为10%氢氧化钠溶液,进行搅拌陈化处理步骤为:在混合液B中加入质量分数为20%钛酸溶液、质量分数为10%氢氧化钠溶液,在温度为80℃下搅拌均匀,并静置陈化4h。将滤渣进行洗涤干燥步骤为:将滤渣用去离子水洗涤5次,并在温度为100℃下干燥至恒重。改性纤维、蓖麻油、异佛尔酮二异氰酸酯、辛酸亚锡、正磷酸、沥青、丙酮之间的比例为:按重量份数计,分别称取60份改性纤维、20份蓖麻油、15份异佛尔酮二异氰酸酯、3份辛酸亚锡、5份正磷酸、5份沥青、40份丙酮。在混合物中加入蓖麻油、辛酸亚锡和丙酮,搅拌反应步骤为:在混合物中加入蓖麻油、辛酸亚锡和丙酮,在氮气气氛下常温搅拌反应2h。在反应物中加入改性纤维和沥青,高速剪切处理步骤为:在反应物中加入改性纤维和沥青,在温度为130℃,转速为5000r/min下高速剪切70min。将坯体置于烘箱中干燥处理步骤为:将坯体置于温度为80℃的烘箱中干燥至恒重。
对照例:东莞某公司生产的抗菌防水纸。
将实例及对照例制备得到的抗菌防水纸进行检测,具体检测如下:
接触角:采用表面张力表面接触角测试仪(OCA40)对涂布纸张表面的接触角进行测量,测试环境温度为25℃,环境相对湿度为70%~75%,测试水滴大小为5μL,对涂布纸的表面取5个点进行测量,最终测量的接触角值取平均值。
抗菌性能:采用震荡法测试蜂蜡混合物涂布纸对革兰氏阴性菌大肠杆菌的抗菌活性,取0.1g涂布纸加入装有9mL的PBS缓冲液中震荡,随后加入1mL细菌悬浮液至装有缓冲液和样品的锥形瓶中,将锥形瓶放置摇床中,在37℃,200rpm下震荡1h。从摇床上取出锥形瓶,移取1mL培养物接种在平板计数琼脂上,然后将平板在37℃培育24小时计算细菌数量。
具体测试结果如表1。
表1性能表征对比表
检测项目 | 实例1 | 实例2 | 实例3 | 对照例 |
接触角/° | 123.3 | 125.8 | 126.7 | 46.5 |
抗菌率/% | 95.8 | 96.1 | 96.5 | 65.0 |
由表1可知,本发明制备的抗菌防水纸具有良好的抗菌性能和防水性能。
Claims (10)
1.一种抗菌防水纸的制备方法,其特征在于具体制备步骤为:
(1)取木质纤维、0.1mol/L硝酸银溶液、0.2mol/L硼氢化钠溶液、质量分数为20%钛酸溶液、质量分数为10%氢氧化钠溶液、去离子水,将木质纤维和去离子水混合均匀,即得分散液,在分散液中加入0.1mol/L硝酸银溶液,进行磁力搅拌处理,即得混合液A,在混合液A中加入0.2mol/L硼氢化钠溶液,并进行搅拌处理,即得混合液B,在混合液B中加入质量分数为20%钛酸溶液、质量分数为10%氢氧化钠溶液,进行搅拌陈化处理,即得混合液C,过滤得滤渣,将滤渣进行洗涤干燥,即得改性纤维;
(2)取改性纤维、蓖麻油、异佛尔酮二异氰酸酯、辛酸亚锡、正磷酸、沥青、丙酮,将异佛尔酮二异氰酸酯和正磷酸混合搅拌15~20min,即得混合物,在混合物中加入蓖麻油、辛酸亚锡和丙酮,搅拌反应,即得反应物,在反应物中加入改性纤维和沥青,高速剪切,即得浆料,将浆料通过抄纸机抄纸,即得坯体,将坯体置于烘箱中干燥处理,即得抗菌防水纸。
2.根据权利要求1所述的一种抗菌防水纸的制备方法,其特征在于:步骤(1)所述的木质纤维、0.1mol/L硝酸银溶液、0.2mol/L硼氢化钠溶液、质量分数为20%钛酸溶液、质量分数为10%氢氧化钠溶液、去离子水之间的比例为:按重量份数计,分别称取30~40份木质纤维、3~10份0.1mol/L硝酸银溶液、1~5份0.2mol/L硼氢化钠溶液、5~15份质量分数为20%钛酸溶液、1~10份质量分数为10%氢氧化钠溶液、80~120份去离子水。
3.根据权利要求1所述的一种抗菌防水纸的制备方法,其特征在于:步骤(1)所述的在分散液中加入0.1mol/L硝酸银溶液,进行磁力搅拌处理步骤为:在分散液中加入0.1mol/L硝酸银溶液,在转速为800~860r/min下磁力搅拌10~15min。
4.根据权利要求1所述的一种抗菌防水纸的制备方法,其特征在于:步骤(1)所述的在混合液A中加入0.2mol/L硼氢化钠溶液,并进行搅拌处理步骤为:在混合液A中加入0.2mol/L硼氢化钠溶液,在搅拌速度为300~400r/min下搅拌1~2h。
5.根据权利要求1所述的一种抗菌防水纸的制备方法,其特征在于:步骤(1)所述的在混合液B中加入质量分数为20%钛酸溶液、质量分数为10%氢氧化钠溶液,进行搅拌陈化处理步骤为:在混合液B中加入质量分数为20%钛酸溶液、质量分数为10%氢氧化钠溶液,在温度为60~80℃下搅拌均匀,并静置陈化3~4h。
6.根据权利要求1所述的一种抗菌防水纸的制备方法,其特征在于:步骤(1)所述的将滤渣进行洗涤干燥步骤为:将滤渣用去离子水洗涤3~5次,并在温度为80~100℃下干燥至恒重。
7.根据权利要求1所述的一种抗菌防水纸的制备方法,其特征在于:步骤(2)所述的改性纤维、蓖麻油、异佛尔酮二异氰酸酯、辛酸亚锡、正磷酸、沥青、丙酮之间的比例为:按重量份数计,分别称取40~60份改性纤维、10~20份蓖麻油、5~15份异佛尔酮二异氰酸酯、1~3份辛酸亚锡、1~5份正磷酸、1~5份沥青、20~40份丙酮。
8.根据权利要求1所述的一种抗菌防水纸的制备方法,其特征在于:步骤(2)所述的在混合物中加入蓖麻油、辛酸亚锡和丙酮,搅拌反应步骤为:在混合物中加入蓖麻油、辛酸亚锡和丙酮,在氮气气氛下常温搅拌反应1~2h。
9.根据权利要求1所述的一种抗菌防水纸的制备方法,其特征在于:步骤(2)所述的在反应物中加入改性纤维和沥青,高速剪切处理步骤为:在反应物中加入改性纤维和沥青,在温度为120~130℃,转速为3000~5000r/min下高速剪切50~70min。
10.根据权利要求1所述的一种抗菌防水纸的制备方法,其特征在于:步骤(2)所述的将坯体置于烘箱中干燥处理步骤为:将坯体置于温度为60~80℃的烘箱中干燥至恒重。
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CN113715120A (zh) * | 2021-08-09 | 2021-11-30 | 安徽瑞格森工木业有限公司 | 一种木质刨花复合浸渍膜纸饰面板及其制备方法 |
US11401661B2 (en) | 2017-11-14 | 2022-08-02 | J & J Green Paper, Inc. | Recyclable composition for waterproofing paper utilizing a plant derived wax, pellets of the composition, recyclable waterproof paper laminate including the composition, recyclable hot beverage cup including the laminate, pod for making hot beverages including the laminate, and drinking straw including the laminate |
CN117511242A (zh) * | 2024-01-04 | 2024-02-06 | 新大运防水科技(唐山)有限公司 | 一种耐酸碱型聚合物改性沥青防水卷材及其制备方法 |
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Publication number | Priority date | Publication date | Assignee | Title |
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US11401661B2 (en) | 2017-11-14 | 2022-08-02 | J & J Green Paper, Inc. | Recyclable composition for waterproofing paper utilizing a plant derived wax, pellets of the composition, recyclable waterproof paper laminate including the composition, recyclable hot beverage cup including the laminate, pod for making hot beverages including the laminate, and drinking straw including the laminate |
CN113715120A (zh) * | 2021-08-09 | 2021-11-30 | 安徽瑞格森工木业有限公司 | 一种木质刨花复合浸渍膜纸饰面板及其制备方法 |
CN117511242A (zh) * | 2024-01-04 | 2024-02-06 | 新大运防水科技(唐山)有限公司 | 一种耐酸碱型聚合物改性沥青防水卷材及其制备方法 |
CN117511242B (zh) * | 2024-01-04 | 2024-04-02 | 新大运防水科技(唐山)有限公司 | 一种耐酸碱型聚合物改性沥青防水卷材及其制备方法 |
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