CN113668291A - 一种耐磨性能好的瓦楞纸生产工艺 - Google Patents
一种耐磨性能好的瓦楞纸生产工艺 Download PDFInfo
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Abstract
本发明涉及瓦楞纸的技术领域,特别涉及一种耐磨性能好的瓦楞纸生产工艺,包括以下步骤:获取造纸初桨,制备浆料添加剂并与加入造纸初桨中,制作涂料,抄纸获得瓦楞原纸,在瓦楞原纸表面涂上涂料,并对瓦楞原纸表面进行烘干,再喷洒石蜡乳液,再进行烘干;本发明通过在复合增强纤维,可提高瓦楞纸的耐磨性、硬度和机械强度;在涂料中加入耐磨纳米粉,通过高分子材料的大分子链与粒子结合,使瓦楞纸表面的强度、硬度以及耐磨耐擦洗性能有很大提高。
Description
技术领域
本发明涉及瓦楞纸的技术领域,特别涉及一种耐磨性能好的瓦楞纸生产工艺。
背景技术
瓦楞纸是一种普遍的包装用纸,因其价格便宜,用途广泛,制作简单以及能回收利用成为目前最受欢迎且发展迅猛的包装材料,也因此成为最广泛的纸容器包装用纸,广泛用于运输包装领域。随着瓦楞纸的广泛应用,包装工业对瓦楞纸的质量要求也越来越高,比如在包装运输电器、纺织品等领域,一些大的商品,如家具家电等在运输过程中,其外包装的瓦楞纸会与地面、装载货车等发生较严重的摩擦而损坏,特别是在长途运输过程中更明显。因此,瓦楞纸要提高自身的耐磨损性能才能满足长途运输和大物件的包装需求。
发明内容
本发明的目的在于提供一种耐磨性能好的瓦楞纸生产工艺,旨在解决上述背景技术中存在的问题。
本发明是这样实现的,一种耐磨性能好的瓦楞纸生产工艺,包括以下步骤:
S1、将废弃瓦楞纸进行浸泡,再对浸泡后废弃瓦楞纸进行粉碎得到废纸浆料,并对废纸浆料进行除杂;
S2、取红松木浆、竹木浆和绒毛浆并按4:(2-3):1的重量比进行混合,得到混合浆料,其中,搅拌时间为5min~10min,搅拌转速为120r/min~ 140r/min;
S3、再将步骤S2得到混合浆料与步骤S1得到的废纸浆料按2:1的重量比进行混合,得到造纸初桨,其中,搅拌时间为10min~15min,搅拌转速为 120r/min~140r/min;
S4、将木薯淀粉、复合增强纤维、阳离子聚丙烯酰胺及聚二甲基硅氧烷按 5:2:1:2的重量比混合均匀,得到浆料添加剂,并将浆料添加剂加入造纸初桨内混合均匀,其中,造纸初桨与浆料添加剂的重量比为150:1~100:1,混合均匀后密封静置1h-2h;
S5、制作涂料:按1:3的重量比将酚醛树脂加入有机溶剂中,在25-35℃下搅拌溶解3-5min形成树脂溶液,树脂溶液的浓度为再将树脂溶液、牡蛎壳粉、纳米耐磨粉、渗透剂及固化剂按8:2:2:1:2的重量比进行混合,得到糊状涂料以备用,其中,纳米耐磨粉粒的径大小为80-140nm;
S6、对步骤S4获得的造纸初桨进行抄纸,使造纸初浆内纤维和辅料沉积在网面上,形成均匀的湿纸页,再将形成的湿纸页进行压榨及干燥,以获得瓦楞原纸;
S7、将步骤S5中制得的涂料均匀涂布在步骤S6制得的瓦楞原纸表面上,并对瓦楞原纸表面进行烘干;
S8、在步骤S7获得的瓦楞原纸表面上喷洒石蜡乳液,再进行烘干。
更进一步地,所述步骤S1中对废弃瓦楞纸进行碎纸所采用的装置为超声波碎纸装置。
更进一步地,所述步骤S1中的对废纸浆料进行除杂所采用的装置为粗筛和精筛。
更进一步地,所述步骤S5中牡蛎壳粉的制备方法为:取牡蛎壳加入等重量的浓度为20-30%的氢氧化钠溶液浸泡8-9h,然后取出水洗2次后晾干,再粉碎成150-200目的细粉,放于高温烘炉中在300-350℃的温度下烘3.5-4h,即得牡蛎壳粉。
更进一步地,所述固化剂为三聚氰胺。
与现有技术相比,本发明的有益效果为:通过在浆料内添加海泡石绒、碳化硼纤维、硼酸铝晶须混合制成的复合增强纤维,可提高瓦楞纸的耐磨性、硬度和机械强度;在涂料中加入耐磨纳米粉,通过高分子材料的大分子链与粒子结合,使瓦楞纸表面的强度、硬度以及耐磨耐擦洗性能有很大提高。
具体实施方式
为了使本发明的目的、技术方案及优点更加清楚明白,以下结合实施例,对本发明进行进一步详细说明。应当理解,此处所描述的具体实施例仅仅用以解释本发明,并不用于限定本发明。
以下结合具体实施例对本发明的实现进行详细的描述。
实施例一
一种耐磨性能好的瓦楞纸生产工艺,包括以下步骤:
S1、将废弃瓦楞纸进行浸泡,通过超声波碎浆装置对浸泡后废弃瓦楞纸进行粉碎得到废纸浆料,并通过粗筛和精筛依次对废纸浆料进行除杂;
S2、取红松木浆、竹木浆和绒毛浆并按4:2:1的重量比进行混合,得到混合浆料,其中,搅拌时间为5min,搅拌转速为140r/min;
S3、再将步骤S2得到混合浆料与步骤S1得到的废纸浆料按2:1的重量比进行混合,得到造纸初桨,其中,搅拌时间为10min,搅拌转速为140r/min;
S4、将木薯淀粉、复合增强纤维、阳离子聚丙烯酰胺及聚二甲基硅氧烷按 5:2:1:2的重量比混合均匀,得到浆料添加剂,并将浆料添加剂加入造纸初桨内混合均匀,其中,复合增强纤维由海泡石绒、碳化硼纤维、硼酸铝晶须按 1:0.1:0.1的重量比混合制成,造纸初桨与浆料添加剂的重量比为150:1,混合均匀后密封静置2h;通过在浆料内添加海泡石绒、碳化硼纤维、硼酸铝晶须混合制成的复合增强纤维,可提高瓦楞纸的耐磨性、硬度和机械强度。
S5、制作涂料:按1:3的重量比将酚醛树脂加入有机溶剂中,在25℃下搅拌溶解5min形成树脂溶液,树脂溶液的浓度为再将树脂溶液、牡蛎壳粉、纳米耐磨粉、渗透剂及三聚氰胺按8:2:2:1:2的重量比进行混合,得到糊状涂料以备用,其中,纳米耐磨粉粒的径大小为80nm;通过在涂料中加入耐磨纳米粉,通过高分子材料的大分子链与粒子结合,使瓦楞纸表面的强度、硬度以及耐磨耐擦洗性能有很大提高。
S6、对步骤S4获得的造纸初桨进行抄纸,使造纸初浆内纤维和辅料沉积在网面上,形成均匀的湿纸页,再将形成的湿纸页进行压榨及干燥,以获得瓦楞原纸;
S7、将步骤S5中制得的涂料均匀涂布在步骤S6制得的瓦楞原纸表面上,并对瓦楞原纸表面进行烘干;
S8、在步骤S7获得的瓦楞原纸表面上喷洒石蜡乳液,再进行烘干。
其中,所述步骤S5中牡蛎壳粉的制备方法为:取牡蛎壳加入等重量的浓度为20%的氢氧化钠溶液浸泡8h,然后取出水洗2次后晾干,再粉碎成150目的细粉,放于高温烘炉中在300℃的温度下烘3.5h,即得牡蛎壳粉。
实施例二
一种耐磨性能好的瓦楞纸生产工艺,包括以下步骤:
S1、将废弃瓦楞纸进行浸泡,通过超声波碎浆装置对浸泡后废弃瓦楞纸进行粉碎得到废纸浆料,并通过粗筛和精筛依次对废纸浆料进行除杂;
S2、取红松木浆、竹木浆和绒毛浆并按4:3:1的重量比进行混合,得到混合浆料,其中,搅拌时间为10min,搅拌转速为120r/min;
S3、再将步骤S2得到混合浆料与步骤S1得到的废纸浆料按2.5:1的重量比进行混合,得到造纸初桨,其中,搅拌时间为15min,搅拌转速为120r/min;
S4、将木薯淀粉、复合增强纤维、阳离子聚丙烯酰胺及聚二甲基硅氧烷按 5:2:1:2的重量比混合均匀,得到浆料添加剂,并将浆料添加剂加入造纸初桨内混合均匀,其中,复合增强纤维由海泡石绒、碳化硼纤维、硼酸铝晶须按 1:0.3:0.5的重量比混合制成,造纸初桨与浆料添加剂的重量比为100:1,混合均匀后密封静置1h;通过在浆料内添加海泡石绒、碳化硼纤维、硼酸铝晶须混合制成的复合增强纤维,可提高瓦楞纸的耐磨性、硬度和机械强度。
S5、制作涂料:按1:3的重量比将酚醛树脂加入有机溶剂中,在25℃下搅拌溶解5min形成树脂溶液,树脂溶液的浓度为再将树脂溶液、牡蛎壳粉、纳米耐磨粉、渗透剂及三聚氰胺按8:2:2:1:2的重量比进行混合,得到糊状涂料以备用,其中,纳米耐磨粉粒的径大小为140nm;通过在涂料中加入耐磨纳米粉,通过高分子材料的大分子链与粒子结合,使瓦楞纸表面的强度、硬度以及耐磨耐擦洗性能有很大提高。
S6、对步骤S4获得的造纸初桨进行抄纸,使造纸初浆内纤维和辅料沉积在网面上,形成均匀的湿纸页,再将形成的湿纸页进行压榨及干燥,以获得瓦楞原纸;
S7、将步骤S5中制得的涂料均匀涂布在步骤S6制得的瓦楞原纸表面上,并对瓦楞原纸表面进行烘干;
S8、在步骤S7获得的瓦楞原纸表面上喷洒石蜡乳液,再进行烘干。
其中,所述步骤S5中牡蛎壳粉的制备方法为:取牡蛎壳加入等重量的浓度为30%的氢氧化钠溶液浸泡9h,然后取出水洗2次后晾干,再粉碎成200目的细粉,放于高温烘炉中在350℃的温度下烘4h,即得牡蛎壳粉。
以上仅为本发明的较佳实施例而已,并不用以限制本发明,凡在本发明的精神和原则之内所作的任何修改、等同替换和改进等,均应包含在本发明的保护范围之内。
Claims (5)
1.一种耐磨性能好的瓦楞纸生产工艺,其特征在于,包括以下步骤:
S1、将废弃瓦楞纸进行浸泡,再对浸泡后废弃瓦楞纸进行粉碎得到废纸浆料,并对废纸浆料进行除杂;
S2、取红松木浆、竹木浆和绒毛浆并按4∶(2-3)∶1的重量比进行混合,得到混合浆料,其中,搅拌时间为5min~10min,搅拌转速为120r/min~140r/min;
S3、再将步骤S2得到混合浆料与步骤S1得到的废纸浆料按(2-2.5)∶1的重量比进行混合,得到造纸初桨,其中,搅拌时间为10min~15min,搅拌转速为120r/min~140r/min;
S4、将木薯淀粉、复合增强纤维、阳离子聚丙烯酰胺及聚二甲基硅氧烷按5∶2∶1∶2的重量比混合均匀,得到浆料添加剂,并将浆料添加剂加入造纸初桨内混合均匀,其中,复合增强纤维由海泡石绒、碳化硼纤维、硼酸铝晶须按1∶(0.1-0.3)∶(0.1-0.5)的重量比混合制成,造纸初桨与浆料添加剂的重量比为150∶1~100∶1,混合均匀后密封静置1h-2h;
S5、制作涂料:按1:3的重量比将酚醛树脂加入有机溶剂中,在25-35℃下搅拌溶解3-5min形成树脂溶液,树脂溶液的浓度为再将树脂溶液、牡蛎壳粉、纳米耐磨粉、渗透剂及固化剂按8∶2∶2∶1∶2的重量比进行混合,得到糊状涂料以备用,其中,纳米耐磨粉粒的径大小为80-140nm;
S6、对步骤S4获得的造纸初桨进行抄纸,使造纸初浆内纤维和辅料沉积在网面上,形成均匀的湿纸页,再将形成的湿纸页进行压榨及干燥,以获得瓦楞原纸;
S7、将步骤S5中制得的涂料均匀涂布在步骤S6制得的瓦楞原纸表面上,并对瓦楞原纸表面进行烘干;
S8、在步骤S7获得的瓦楞原纸表面上喷洒石蜡乳液,再进行烘干。
2.如权利要求1所述的耐磨性能好的瓦楞纸生产工艺,其特征在于,所述步骤S1中对废弃瓦楞纸进行碎纸所采用的装置为超声波碎纸装置。
3.如权利要求2所述的耐磨性能好的瓦楞纸生产工艺,其特征在于,所述步骤S1中的对废纸浆料进行除杂所采用的装置为粗筛和精筛。
4.如权利要求1所述的耐磨性能好的瓦楞纸生产工艺,其特征在于,所述步骤S5中牡蛎壳粉的制备方法为:取牡蛎壳加入等重量的浓度为20-30%的氢氧化钠溶液浸泡8-9h,然后取出水洗2次后晾干,再粉碎成150-200目的细粉,放于高温烘炉中在300-350℃的温度下烘3.5-4h,即得牡蛎壳粉。
5.如权利要求1所述的耐磨性能好的瓦楞纸生产工艺,其特征在于,所述固化剂为三聚氰胺。
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