CN113174775B - 高强度高抗水性纸板制备方法 - Google Patents

高强度高抗水性纸板制备方法 Download PDF

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CN113174775B
CN113174775B CN202110379626.8A CN202110379626A CN113174775B CN 113174775 B CN113174775 B CN 113174775B CN 202110379626 A CN202110379626 A CN 202110379626A CN 113174775 B CN113174775 B CN 113174775B
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CN113174775A (zh
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王宝辉
姜艳春
刘涛
刘少杰
蔡赋涵
杨家万
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Zhejiang Shanying Paper Industry Co Ltd
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    • DTEXTILES; PAPER
    • D21PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21HPULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
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    • DTEXTILES; PAPER
    • D21PAPER-MAKING; PRODUCTION OF CELLULOSE
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    • D21H17/54Synthetic macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds obtained by reactions forming in the main chain of the macromolecule a linkage containing nitrogen
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    • D21H17/00Non-fibrous material added to the pulp, characterised by its constitution; Paper-impregnating material characterised by its constitution
    • D21H17/63Inorganic compounds
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    • D21H21/00Non-fibrous material added to the pulp, characterised by its function, form or properties; Paper-impregnating or coating material, characterised by its function, form or properties
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Abstract

本发明属于造纸技术领域,尤其涉及一种高强度高抗水性纸板制备方法。本发明针对现有技术中电子商务用纸箱多数情况存在强度低、抗水性差的问题,提供一种高强度高抗水性纸板制备方法,包括以废纸为原料,经水力碎浆机碎浆,得到造纸原浆;向步骤一中得到的造纸原浆中加入增强剂和浆内抗水剂,混合均匀;经造纸机成型网部滤水抄造,压榨脱水、烘干后得到干纸页;将表面施胶剂施胶至步骤一中得到的干纸页表面;烘干、压光、卷取得到成品纸板。本发明在造纸原浆中加入有浆内抗水剂,压榨脱水后又在表面施胶,双重抗水使得制得的纸板具有较好的抗水性能,同时在造纸原浆中加入有增强剂,提高了制得的纸板的强度。

Description

高强度高抗水性纸板制备方法
技术领域
本发明属于造纸技术领域,尤其涉及一种高强度高抗水性纸板制备方法。
背景技术
在现代商品贸易中,包装材料发挥着对商品的保存、美化和保护的重要作用,包装纸板占世界包装材料的37%左右。包装纸板市场近年经历了品种和产品规格的巨大变化,以废纸为原料生产的包装纸板的份额逐步上升。但纵观全局,国内纸箱生产线仍以中低档水平为主,在品种、规格、性能、质量上还不能及时满足市场变化的要求,尤其是高强度牛皮箱纸板较为短缺。牛皮箱纸板是瓦楞纸箱重要组成材料之一,要求纤维结合强度好,纸面平整,有较好的紧度和挺度,要求有一定的弹性,以保证制成的纸箱具有防震和耐压能力。
现有电子商务用纸箱的面纸一般都用废纸制造,多数情况存在强度低、抗水性差等缺点。
针对这一问题,人们在长期的生产生活实践中也进行了探索研究,例如,中国发明专利公开了一种高强度抗水性瓦楞纸板及其制备方法[申请号:201310016996.0],该发明专利包括面纸和里纸,所述面纸和所述里纸之间设置有一楞纸层,所述楞纸层的峰面与所述面纸、所述里纸之间涂有一高强度抗水性粘结剂。
该发明专利通过在面纸和里纸之间涂一层高强度抗水性粘结剂来提高纸张整体的抗水性,但未针对纸浆层面上进行抗水性改进,故还具有一定的提升空间。
发明内容
本发明的目的是针对上述问题,提供一种强度高抗水性能好的高强度高抗水性纸板制备方法。
一种高强度高抗水性纸板制备方法,包括以下步骤:
步骤一:以废纸或废纸浆板为原料,经水力碎浆机碎浆,得到造纸原浆;
步骤二:向步骤一中得到的造纸原浆中加入增强剂和浆内抗水剂,混合均匀;
步骤三:经造纸机成型网部滤水抄造,压榨脱水、烘干后得到干纸页;
步骤四:将表面施胶剂施胶至步骤三中得到的干纸页表面;
步骤五:烘干、压光、卷取得到成品纸板。
在上述的高强度高抗水性纸板制备方法中,所述增强剂包括聚丙烯酰胺。
在上述的高强度高抗水性纸板制备方法中,所述增强剂的添加量为每吨造纸绝干浆20-60kg。
在上述的高强度高抗水性纸板制备方法中,所述浆内抗水剂的添加量为每吨造纸绝干浆40-80kg。
在上述的高强度高抗水性纸板制备方法中,所述浆内抗水剂包括十二烯基丁二酸酐、氯化锌和聚酰胺环氧氯丙烷树脂。
在上述的高强度高抗水性纸板制备方法中,所述浆内抗水剂包括质量份数分别为2-8份的十二烯基丁二酸酐、10-20份的氯化锌和20-40份的聚酰胺环氧氯丙烷树脂。
在上述的高强度高抗水性纸板制备方法中,所述浆内抗水剂包括质量份数分别为5份的十二烯基丁二酸酐、15份的氯化锌和30份的聚酰胺环氧氯丙烷树脂。
在上述的高强度高抗水性纸板制备方法中,所述表面施胶剂包括三聚氰胺甲醛树脂、松香胶和石蜡。
在上述的高强度高抗水性纸板制备方法中,所述表面施胶剂包括5-15份的三聚氰胺甲醛树脂、10-20份的松香胶和2-6份的石蜡。
在上述的高强度高抗水性纸板制备方法中,所述表面施胶剂包括10份的三聚氰胺甲醛树脂、15份的松香胶和4份的石蜡。
与现有的技术相比,本发明的优点在于:
1、本发明在造纸原浆中加入有浆内抗水剂,压榨脱水、烘干后又在表面施胶,双重抗水使得制得的纸板具有较好的抗水性能,同时在造纸原浆中加入有增强剂,提高了制得的纸板的强度。
2、本发明的制造方法简单,同时工艺简便可控,生产成本较低。
具体实施方式
下面结合具体实施方式对本发明做进一步详细的说明。
实施例1
本实施例提供一种高强度高抗水性纸板制备方法,包括以下步骤:
步骤一:以废纸或废纸浆板为原料,经水力碎浆机碎浆,得到造纸原浆;
步骤二:向步骤一中得到的造纸原浆中加入增强剂和浆内抗水剂,混合均匀,其中,增强剂的添加量为每吨造纸绝干浆20kg,浆内抗水剂的添加量为每吨造纸绝干浆80kg;
步骤三:经造纸机成型网部滤水抄造,压榨脱水、烘干后得到干纸页;
步骤四:将表面施胶剂施胶至步骤三中得到的干纸页表面;
步骤五:烘干、压光、卷取得到成品纸板。
其中,增强剂包括聚丙烯酰胺;浆内抗水剂包括质量份数分别为2份的十二烯基丁二酸酐、20份的氯化锌和40份的聚酰胺环氧氯丙烷树脂;表面施胶剂包括5份的三聚氰胺甲醛树脂、20份的松香胶和6份的石蜡。
实施例2
本实施例提供一种高强度高抗水性纸板制备方法,包括以下步骤:
步骤一:以废纸或废纸浆板为原料,经水力碎浆机碎浆,得到造纸原浆;
步骤二:向步骤一中得到的造纸原浆中加入增强剂和浆内抗水剂,混合均匀,其中,增强剂的添加量为每吨造纸绝干浆60kg,浆内抗水剂的添加量为每吨造纸绝干浆40kg;
步骤三:经造纸机成型网部滤水抄造,压榨脱水、烘干后得到干纸页;
步骤四:将表面施胶剂施胶至步骤三中得到的干纸页表面;
步骤五:烘干、压光、卷取得到成品纸板。
其中,增强剂包括聚丙烯酰胺;浆内抗水剂包括质量份数分别为8份的十二烯基丁二酸酐、10份的氯化锌和20份的聚酰胺环氧氯丙烷树脂;表面施胶剂包括15份的三聚氰胺甲醛树脂、10份的松香胶和2份的石蜡。
实施例3
本实施例提供一种高强度高抗水性纸板制备方法,包括以下步骤:
步骤一:以废纸或废纸浆板为原料,经水力碎浆机碎浆,得到造纸原浆;
步骤二:向步骤一中得到的造纸原浆中加入增强剂和浆内抗水剂,混合均匀,其中,增强剂的添加量为每吨造纸原浆绝干浆40kg,浆内抗水剂的添加量为每吨造纸绝干浆60kg;
步骤三:经造纸机成型网部滤水抄造,压榨脱水、烘干后得到干纸页;
步骤四:将表面施胶剂施胶至步骤三中得到的干纸页表面;
步骤五:烘干、压光、卷取得到成品纸板。
其中,增强剂包括聚丙烯酰胺;浆内抗水剂包括质量份数分别为5份的十二烯基丁二酸酐、15份的氯化锌和30份的聚酰胺环氧氯丙烷树脂;表面施胶剂包括10份的三聚氰胺甲醛树脂、15份的松香胶和4份的石蜡。
对比例1
本对比例提供一种高强度高抗水性纸板制备方法,包括以下步骤:
步骤一:以废纸或废纸浆板为原料,经水力碎浆机碎浆,得到造纸原浆;
步骤二:向步骤一中得到的造纸原浆中加入增强剂和浆内抗水剂,混合均匀,其中,增强剂的添加量为每吨造纸绝干浆40kg,浆内抗水剂的添加量为每吨造纸绝干浆60kg;
步骤三:经造纸机成型网部滤水抄造,压榨脱水、烘干后得到干纸页;
步骤四:将表面施胶剂施胶至步骤三中得到的干纸页表面;
步骤五:烘干、压光、卷取得到成品纸板。
其中,增强剂包括淀粉;浆内抗水剂包括质量份数分别为5份的十二烯基丁二酸酐、15份的氯化锌和30份的聚酰胺环氧氯丙烷树脂;表面施胶剂包括10份的三聚氰胺甲醛树脂、15份的松香胶和4份的石蜡。
对比例2
本对比例提供一种高强度高抗水性纸板制备方法,包括以下步骤:
步骤一:以废纸或废纸浆板为原料,经水力碎浆机碎浆,得到造纸原浆;
步骤二:向步骤一中得到的造纸原浆中加入增强剂和浆内抗水剂,混合均匀,其中,增强剂的添加量为每吨造纸绝干浆40kg,浆内抗水剂的添加量为每吨造纸绝干浆60kg;
步骤三:经造纸机成型网部滤水抄造,压榨脱水、烘干后得到干纸页;
步骤四:将表面施胶剂施胶至步骤三中得到的干纸页表面;
步骤五:烘干、压光、卷取得到成品纸板。
其中,增强剂包括聚丙烯酰胺;浆内抗水剂包括质量份数分别为15份的氯化锌和30份的聚酰胺环氧氯丙烷树脂;表面施胶剂包括10份的三聚氰胺甲醛树脂、15份的松香胶和4份的石蜡。
对比例3
本对比例提供一种高强度高抗水性纸板制备方法,包括以下步骤:
步骤一:以废纸或废纸浆板为原料,经水力碎浆机碎浆,得到造纸原浆;
步骤二:向步骤一中得到的造纸原浆中加入增强剂和浆内抗水剂,混合均匀,其中,增强剂的添加量为每吨造纸绝干浆40kg,浆内抗水剂的添加量为每吨造纸绝干浆60kg;
步骤三:经造纸机成型网部滤水抄造,压榨脱水、烘干后得到干纸页;
步骤四:将表面施胶剂施胶至步骤三中得到的干纸页表面;
步骤五:烘干、压光、卷取得到成品纸板。
其中,增强剂包括聚丙烯酰胺;浆内抗水剂包括质量份数分别为5份的十二烯基丁二酸酐和30份的聚酰胺环氧氯丙烷树脂;表面施胶剂包括10份的三聚氰胺甲醛树脂、15份的松香胶和4份的石蜡。
对比例4
本对比例提供一种高强度高抗水性纸板制备方法,包括以下步骤:
步骤一:以废纸或废纸浆板为原料,经水力碎浆机碎浆,得到造纸原浆;
步骤二:向步骤一中得到的造纸原浆中加入增强剂和浆内抗水剂,混合均匀,其中,增强剂的添加量为每吨造纸绝干浆40kg,浆内抗水剂的添加量为每吨造纸绝干浆60kg;
步骤三:经造纸机成型网部滤水抄造,压榨脱水、烘干后得到干纸页;
步骤四:将表面施胶剂施胶至步骤三中得到的干纸页表面;
步骤五:烘干、压光、卷取得到成品纸板。
其中,增强剂包括聚丙烯酰胺;浆内抗水剂包括质量份数分别为5份的十二烯基丁二酸酐和15份的氯化锌;表面施胶剂包括10份的三聚氰胺甲醛树脂、15份的松香胶和4份的石蜡。
对比例5
本对比例提供一种高强度高抗水性纸板制备方法,包括以下步骤:
步骤一:以废纸或废纸浆板为原料,经水力碎浆机碎浆,得到造纸原浆;
步骤二:向步骤一中得到的造纸原浆中加入增强剂和浆内抗水剂,混合均匀,其中,增强剂的添加量为每吨造纸绝干浆40kg,浆内抗水剂的添加量为每吨造纸绝干浆60kg;
步骤三:经造纸机成型网部滤水抄造,压榨脱水、烘干后得到干纸页;
步骤四:将表面施胶剂施胶至步骤三中得到的干纸页表面;
步骤五:烘干、压光、卷取得到成品纸板。
其中,增强剂包括聚丙烯酰胺;浆内抗水剂包括质量份数分别为5份的十二烯基丁二酸酐、15份的氯化锌和30份的聚酰胺环氧氯丙烷树脂;表面施胶剂包括15份的松香胶和4份的石蜡。
对比例6
本对比例提供一种高强度高抗水性纸板制备方法,包括以下步骤:
步骤一:以废纸或废纸浆板为原料,经水力碎浆机碎浆,得到造纸原浆;
步骤二:向步骤一中得到的造纸原浆中加入增强剂和浆内抗水剂,混合均匀,其中,增强剂的添加量为每吨造纸绝干浆40kg,浆内抗水剂的添加量为每吨造纸绝干浆60kg;
步骤三:经造纸机成型网部滤水抄造,压榨脱水、烘干后得到干纸页;
步骤四:将表面施胶剂施胶至步骤三中得到的干纸页表面;
步骤五:烘干、压光、卷取得到成品纸板。
其中,增强剂包括聚丙烯酰胺;浆内抗水剂包括质量份数分别为5份的十二烯基丁二酸酐、15份的氯化锌和30份的聚酰胺环氧氯丙烷树脂;表面施胶剂包括10份的三聚氰胺甲醛树脂和4份的石蜡。
对比例7
本对比例提供一种高强度高抗水性纸板制备方法,包括以下步骤:
步骤一:以废纸或废纸浆板为原料,经水力碎浆机碎浆,得到造纸原浆;
步骤二:向步骤一中得到的造纸原浆中加入增强剂和浆内抗水剂,混合均匀,其中,增强剂的添加量为每吨造纸绝干浆40kg,浆内抗水剂的添加量为每吨造纸绝干浆60kg;
步骤三:经造纸机成型网部滤水抄造,压榨脱水后得到半干湿纸页;
步骤四:将表面施胶剂施胶至步骤三中得到的干纸页表面;
步骤五:烘干、压光、卷取得到成品纸板。
其中,增强剂包括聚丙烯酰胺;浆内抗水剂包括质量份数分别为5份的十二烯基丁二酸酐、15份的氯化锌和30份的聚酰胺环氧氯丙烷树脂;表面施胶剂包括10份的三聚氰胺甲醛树脂和15份的松香胶。
应用例1
取同一批号的废纸,分为等质量的8份,分别通过实施例3、对比例1、对比例2、对比例3、对比例4、对比例5、对比例6和对比例7中记载的方法,制得纸板1-8,分别检测纸板1-8的定量、紧度、耐破指数、横向耐折度、横向环压指数、正面吸水性和平滑度,结果如下表所示:
Figure GDA0003324319660000091
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结果分析:对比纸板1和纸板2-8的检测数据可知,本发明提供的制备方法所制得的纸板具有更高的强度和更好的抗水性能,达到了本发明的预期目的。
本文中所描述的具体实施例仅仅是对本发明精神作举例说明。本发明所属技术领域的技术人员可以对所描述的具体实施例做各种各样的修改或补充或采用类似的方式替代,但并不会偏离本发明的精神或者超越所附权利要求书所定义的范围。

Claims (7)

1.一种高强度高抗水性纸板制备方法,其特征在于,包括以下步骤:
步骤一:以废纸或废纸浆板为原料,经水力碎浆机碎浆,得到造纸原浆;
步骤二:向步骤一中得到的造纸原浆中加入增强剂和浆内抗水剂,混合均匀;
步骤三:经造纸机成型网部滤水抄造,压榨脱水、烘干后得到干纸页;
步骤四:将表面施胶剂施胶至步骤三中得到的干纸页表面;
步骤五:烘干、压光、卷取得到成品纸板;
所述增强剂包括聚丙烯酰胺;
所述浆内抗水剂包括十二烯基丁二酸酐、氯化锌和聚酰胺环氧氯丙烷树脂;
所述表面施胶剂包括三聚氰胺甲醛树脂、松香胶和石蜡。
2.如权利要求1所述的高强度高抗水性纸板制备方法,其特征在于:所述增强剂的添加量为每吨造纸绝干浆20-60kg。
3.如权利要求1所述的高强度高抗水性纸板制备方法,其特征在于:所述浆内抗水剂的添加量为每吨造纸绝干浆40-80kg。
4.如权利要求1所述的高强度高抗水性纸板制备方法,其特征在于:所述浆内抗水剂包括质量份数分别为2-8份的十二烯基丁二酸酐、10-20份的氯化锌和20-40份的聚酰胺环氧氯丙烷树脂。
5.如权利要求4所述的高强度高抗水性纸板制备方法,其特征在于:所述浆内抗水剂包括质量份数分别为5份的十二烯基丁二酸酐、15份的氯化锌和30份的聚酰胺环氧氯丙烷树脂。
6.如权利要求1所述的高强度高抗水性纸板制备方法,其特征在于:所述表面施胶剂包括5-15份的三聚氰胺甲醛树脂、10-20份的松香胶和2-6份的石蜡。
7.如权利要求6所述的高强度高抗水性纸板制备方法,其特征在于:所述表面施胶剂包括10份的三聚氰胺甲醛树脂、15份的松香胶和4份的石蜡。
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