CN111321632B - 一种超细腻面感的哑光铜版纸及其制备方法 - Google Patents

一种超细腻面感的哑光铜版纸及其制备方法 Download PDF

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CN111321632B
CN111321632B CN202010181375.8A CN202010181375A CN111321632B CN 111321632 B CN111321632 B CN 111321632B CN 202010181375 A CN202010181375 A CN 202010181375A CN 111321632 B CN111321632 B CN 111321632B
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刘历鹏
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Abstract

本发明提供一种超细腻面感的哑光铜版纸及其制备方法，所述哑光铜版纸包括以下组成：原纸层、预涂层、面涂层，所述原纸层浆料包括以下重量份原料：短纤浆50～90份、长纤浆5～30份、机械浆5～30份，助流剂2～5份、助滤剂1～4份、阳离子淀粉3～8份；所述涂料包括以下重量份原料：研磨碳酸钙70～90份、轻质碳酸钙60～80份、乳胶50～70份、淀粉20～26份、分散剂4～6份、消泡剂3～5份、润滑剂3～9份、增稠剂5～8份、碱液3～5份，本发明通过改善原纸平整性、优化涂料的配方而制备的哑光铜版纸纸面细腻平滑、高印刷性能，伸缩性小，图书强度较高，可适应于高速印刷机。

Description

一种超细腻面感的哑光铜版纸及其制备方法
技术领域
本发明涉及造纸技术领域，特别涉及一种超细腻面感的哑光铜版纸及其制备方法。
背景技术
目前国内外市场亚光艺术纸产品逐步分为两大类。一类是较为低端的亚光纸，主要用于日用品，化妆品以及一些奢侈品的包装盒等，而另一类则为高端的亚光艺术纸，要求面感细腻平整，不反光。主要用于画报，高档图书以及杂志刊物等，面对市场对超细腻面感亚光艺术纸的需求不断的增长。但是哑光铜版纸遇潮后粉质容易粘搭、脱落，不能长期保存。
发明内容
鉴于此，本发明提出一种超细腻面感的哑光铜版纸及其制备方法，解决上述问题。
本发明的技术方案是这样实现的：一种细腻面感的哑光铜版纸：所述哑光铜版纸包括以下组成：原纸层、预涂层、面涂层，所述预涂层和面涂层使用同样涂料，
所述原纸层浆料包括以下重量份原料：短纤浆50～90份、长纤浆5～30份、机械浆5～30份、助流剂2～5份、助滤剂1～4份、阳离子淀粉3～8份；所述助流剂为重量份比1～3：0.6～1.5：1.3～3：0.9～2.2的羧甲基纤维素钠、聚酰胺、尤加利叶油、苹果桉叶油，所述助滤剂为重量份比为1：1～2：0.6～1.2的锯木屑、葵仁粕粉末、有机膨润土；
所述涂料包括以下重量份原料：研磨碳酸钙70～90份、轻质碳酸钙60～80份、乳胶50～70份、淀粉20～26份、分散剂4～6份、消泡剂3～5份、润滑剂3～9份、增稠剂5～8份、碱液3～5份；
进一步的，所述研磨碳酸钙C98等级1μm占比70～80％，2um占比98％以上，C65等级粒径分布2μm占比65％以上。
进一步的，所述轻质碳酸钙为文石型，呈针状或棒状。
进一步的，所述乳胶粒径为80～120mm，玻璃化温度为-3～-6℃。
进一步的，所述分散剂为聚丙烯酸钠、羧酸盐、变性酰胺共聚物或改性丙烯酸共聚物。
进一步的，所述消泡剂为重量份比1：2～3：1～3：1～3的山嵛甾醇、橄榄油羧酸钠、高碳脂肪醇、乳化甲基硅油。
进一步的，所述润滑剂为矿物油、聚乙烯蜡、聚乙二醇、偏磷酸钠中的一种或几种。
进一步的，所述增稠剂为甲基纤维素钠、聚酰胺或醋酸乙烯中的一种或几种。
进一步的，超细腻面感的哑光铜版纸的制备方法，包括以下步骤：
S1、原纸制备：将短纤浆、长纤浆、机械浆混合，向混合浆种加入助流剂、助滤剂、淀粉混合搅拌，进行PFI磨打浆后，再进行抄造、烘干，得到原纸；
S2、制备涂料：按重量份将上述研磨碳酸钙、轻质碳酸钙、乳胶、淀粉搅拌均匀，在300～600rpm的速度搅拌下，再加入分散剂、消泡剂、润滑剂、增稠剂、碱液，高速分散40～80min，得到涂料；
S3、预涂层涂布：采用膜转移双面涂布，涂料固形份为50～60％，低剪切粘度为300～500cps，涂布量为15～30g/m2，
S4、面涂层涂布：采用两次刮刀涂布，涂料固形份为60～70％，低剪切粘度为400～600cps，双面各一次涂布涂布量合计20～28g/m2。
进一步的，所述高速分散机的转速为5000～8000r/min。
与现有技术相比，本发明的有益效果是：
本发明的哑光铜版纸由原纸层、预涂层与面涂层组成，原纸层通过纸浆的合理配比，提升短纤浆可以避免长纤浆在抄造过程中收缩剧烈，而导致原纸平整性变差，加入助流剂、助滤剂协助机械浆和短纤浆进行抄造，改善交织和原纸的平整性，降低原纸基重提升涂布量改善涂层对原纸的遮饰性能，提升白水浓度，可填充原纸孔隙，达到改善原纸平整性的目的；
优化涂料配方，科学配比，按比例加入含有山嵛甾醇、橄榄油羧酸钠的消泡剂，改善成纸光斑问题，在面涂涂料当中取消由淀粉制备的生物乳胶，改善发花问题；开发碳酸钙改善吸墨性，优化颜料比例，采用更宽泛的粒径分布涂料，改善成纸表面的孔隙度，解决吸墨问题，其中，所采用的轻质碳酸钙为文石型，呈针状或棒状，颜料C98粒径分布在1μm占比74％，2um占比98％以上，颜料C65粒径分布2μm占比65％以上。为克服因轻质碳酸钙粒径窄，流动性差的缺点，使用的胶乳粒径为80-120nm，Tg(玻璃化)温度为-3～-6℃，作为胶粘剂它可以使更多的胶乳粒子填充于轻质碳酸钙粒子之间，达到改善轻质碳酸钙流动性的目的。超细腻面感亚光艺术纸其特点是纸面细腻平滑、高印刷性能，伸缩性小，图书强度较高，可适应于高速印刷机。
本发明的关键技术在高车速高幅宽的条件下实现超细腻面感铜版纸的高效运转，以及生产的超细腻面感亚光艺术纸的印刷性能的保证。
具体实施方式
为了更好理解本发明技术内容，下面提供具体实施例，对本发明做进一步的说明。
本发明实施例所用的实验方法如无特殊说明，均为常规方法。
本发明实施例所用的材料、试剂等，如无特殊说明，均可从商业途径得到。
实施例1
一种细腻面感的哑光铜版纸：所述哑光铜版纸包括以下组成：原纸层、预涂层、面涂层，所述预涂层和面涂层使用同样涂料，
所述原纸层浆料包括以下重量份原料：短纤浆50份、长纤浆5份、机械浆5份、助流剂2份、助滤剂1份、阳离子淀粉3份；所述助流剂为重量份比1：0.6：1.3：0.9的羧甲基纤维素钠、聚酰胺、尤加利叶油、苹果桉叶油，所述助滤剂为重量份比为1：1：0.6的锯木屑、葵仁粕粉末、有机膨润土；
所述涂料包括以下重量份原料：研磨碳酸钙70份、轻质碳酸钙60份、乳胶50份、淀粉20份、分散剂4份、消泡剂3份、润滑剂3份、增稠剂5份、碱液3份；所述研磨碳酸钙C98等级1μm占比70％，2um占比98％以上，C65等级粒径分布2μm占比65％以上，ISO白度在93％以上，所述轻质碳酸钙为文石型，呈针状或棒状，所述乳胶粒径为80mm，玻璃化温度为-6℃，所述分散剂为聚丙烯酸钠，所述消泡剂为重量份比1：2：1：1的山嵛甾醇、橄榄油羧酸钠、高碳脂肪醇、乳化甲基硅油，所述润滑剂为矿物油，所述增稠剂为甲基纤维素钠。
实施例2
一种细腻面感的哑光铜版纸：所述哑光铜版纸包括以下组成：原纸层、预涂层、面涂层，所述预涂层和面涂层使用同样涂料，
所述原纸层浆料包括以下重量份原料：短纤浆90份、长纤浆30份、机械浆30份、助流剂5份、助滤剂4份、阳离子淀粉8份；所述助流剂为重量份比3：1.5：3：2.2的羧甲基纤维素钠、聚酰胺、尤加利叶油、苹果桉叶油，所述助滤剂为重量份比为1：2：1.2的锯木屑、葵仁粕粉末、有机膨润土；
所述涂料包括以下重量份原料：研磨碳酸钙90份、轻质碳酸钙80份、乳胶70份、淀粉26份、分散剂6份、消泡剂5份、润滑剂9份、增稠剂8份、碱液5份；所述研磨碳酸钙C98等级1μm占比80％，2um占比98％以上，C65等级粒径分布2μm占比65％以上，所述轻质碳酸钙为文石型，呈针状或棒状，所述乳胶粒径为120mm，玻璃化温度为-3℃，所述分散剂为变性酰胺共聚物，所述消泡剂为重量份比1：3：3：3的山嵛甾醇、橄榄油羧酸钠、高碳脂肪醇、乳化甲基硅油，所述润滑剂为聚乙烯蜡，所述增稠剂为聚酰胺。
实施例3
一种细腻面感的哑光铜版纸：所述哑光铜版纸包括以下组成：原纸层、预涂层、面涂层，所述预涂层和面涂层使用同样涂料，
所述原纸层浆料包括以下重量份原料：短纤浆70份、长纤浆16份、机械浆21份、助流剂3份、助滤剂2份、阳离子淀粉5份；所述助流剂为重量份比2：1.3：10：1.2的羧甲基纤维素钠、聚酰胺、尤加利叶油、苹果桉叶油，所述助滤剂为重量份比为1：1.5：0.9的锯木屑、葵仁粕粉末、有机膨润土；
所述涂料包括以下重量份原料：研磨碳酸钙80份、轻质碳酸钙70份、乳胶60份、淀粉23份、分散剂5份、消泡剂4份、润滑剂6份、增稠剂7份、碱液4份；所述研磨碳酸钙C98等级1μm占比75％，2um占比98％以上，C65等级粒径分布2μm占比65％以上，所述轻质碳酸钙为文石型，呈针状或棒状，所述乳胶粒径为100mm，玻璃化温度为-4℃，所述分散剂为聚丙烯酸钠、羧酸盐、变性酰胺共聚物或改性丙烯酸共聚物，所述消泡剂为重量份比1：2.6：2：2的山嵛甾醇、橄榄油羧酸钠、高碳脂肪醇、乳化甲基硅油，所述润滑剂为重量份比1：2的聚乙二醇和偏磷酸钠，所述增稠剂为醋酸乙烯。
上述实施例1～3细腻面感的哑光铜版纸的制备方法，包括以下步骤：
S1、原纸制备：将短纤浆、长纤浆、机械浆混合，向混合浆种加入助流剂、助滤剂、淀粉混合搅拌，进行PFI磨打浆后，再进行抄造、烘干，得到原纸；
S2、制备涂料：按重量份将上述研磨碳酸钙、轻质碳酸钙、乳胶、淀粉搅拌均匀，在400rpm的速度搅拌下，再加入分散剂、消泡剂、润滑剂、增稠剂、碱液，在转速为7000r/min下高速分散60min，得到涂料；
S3、预涂层涂布：采用膜转移双面涂布，涂料固形份为55％，低剪切粘度为400cps，涂布量为20g/m2，
S4、面涂层涂布：采用两次刮刀涂布，涂料固形份为65％，低剪切粘度为500cps，双面各一次涂布涂布量合计24g/m2。
实施例4
本实施例按照实施例3的铜版纸原料组分和配比，制备方法，包括以下步骤：
S1、原纸制备：将短纤浆、长纤浆、机械浆混合，向混合浆种加入助流剂、助滤剂、淀粉混合搅拌，进行PFI磨打浆后，再进行抄造、烘干，得到原纸；
S2、制备涂料：按重量份将上述研磨碳酸钙、轻质碳酸钙、乳胶、淀粉搅拌均匀，在300rpm的速度搅拌下，再加入分散剂、消泡剂、润滑剂、增稠剂、碱液，在转速为5000r/min下高速分散40min，得到涂料；
S3、预涂层涂布：采用膜转移双面涂布，涂料固形份为50％，低剪切粘度为300cps，涂布量为15g/m2，
S4、面涂层涂布：采用两次刮刀涂布，涂料固形份为60％，低剪切粘度为400cps，双面各一次涂布涂布量合计20g/m2。
实施例5
本实施例按照实施例3的铜版纸原料组分和配比，制备方法，包括以下步骤：
S1、原纸制备：将短纤浆、长纤浆、机械浆混合，向混合浆种加入助流剂、助滤剂、淀粉混合搅拌，进行PFI磨打浆后，再进行抄造、烘干，得到原纸；
S2、制备涂料：按重量份将上述研磨碳酸钙、轻质碳酸钙、乳胶、淀粉搅拌均匀，在600rpm的速度搅拌下，再加入分散剂、消泡剂、润滑剂、增稠剂、碱液，在转速为8000r/min下高速分散80min，得到涂料；
S3、预涂层涂布：采用膜转移双面涂布，涂料固形份为60％，低剪切粘度为500cps，涂布量为30g/m2，
S4、面涂层涂布：采用两次刮刀涂布，涂料固形份为70％，低剪切粘度为600cps，双面各一次涂布涂布量合计28g/m2。
实施例6
本实施例与实施例3的区别在于：所述研磨碳酸钙C98等级1μm占比50％，2um占比93％，C65等级粒径分布2μm占比60％。
实施例7
本实施例与实施例3的区别在于：所述乳胶粒径为50mm。
实施例8
本实施例与实施例3的区别在于：所述乳胶粒径为150mm。
实施例9
本实施例与实施例3的区别在于：所述分散剂未添加变性酰胺共聚物和改性丙烯酸共聚物。
实施例10
本实施例与实施例3的区别在于：所述消泡剂为重量份比1：1：4：1的山嵛甾醇、橄榄油羧酸钠、高碳脂肪醇、乳化甲基硅油。
实施例11
本实施例与实施例3的区别在于：所述消泡剂未加入山嵛甾醇和橄榄油羧酸钠。
对比例1
本对比例与实施例3的区别在于：所述原纸层浆料包括以下重量份原料：短纤浆40份、长纤浆36份、机械浆39份，助流剂6份、助滤剂5份、阳离子淀粉9份；
所述涂料包括以下重量份原料：研磨碳酸钙50份、轻质碳酸钙50份、乳胶30份、淀粉30份、分散剂7份、消泡剂8份、润滑剂10份、增稠剂2份、碱液2份。
对比例2
本对比例与实施例3的区别在于：所述助流剂为重量份比4：0.5：1.0：0.2的羧甲基纤维素钠、聚酰胺、尤加利叶油、苹果桉叶油。
对比例3
本对比例与实施例3的区别在于：所述助流剂未添加本对比例与实施例3的区别在于：所述助流剂。
对比例4
本对比例与实施例3的区别在于：所述助滤剂为重量份比为1：0.5：0.5的锯木屑、葵仁粕粉末、有机膨润土。
对比例5
本对比例与实施例3的区别在于：所述助滤剂未添加葵仁粕粉末、有机膨润土。
一、性能测试
按照ISO标准检测对实施例1～11和对比例1～5进行质量检测，检测数据如下表：
Figure BDA0002412683960000081
由上表可知，实施例1～11中，按照本发明的造纸方法调整原纸层的纸浆含量，优化涂料配方，改善成纸光斑问题，采用更宽泛的粒径分布涂料，改善成纸表面的孔隙度，解决吸墨问题，实施例3中松厚度为1.15cm3/g，ISO白度97％，层间结合力为242J/m2，油墨吸收性36％，粗糙度TWS为1.75μm，粗糙度BWS为1.89μm；对比例1～5中可知，本发明的助流剂、助滤剂的配比和组分能够协助机械浆和短纤浆进行抄造，改善交织和原纸的平整性，降低原纸基重提升涂布量改善涂层对原纸的遮饰性能，提升白水浓度，可填充原纸孔隙，达到改善原纸平整性的目的。
以上所述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、改进等，均应包含在本发明的保护范围之内。

Claims (6)

1.一种超细腻面感的哑光铜版纸，其特征在于：所述哑光铜版纸包括以下组成：原纸层、预涂层、面涂层，所述预涂层和面涂层使用同样涂料，
所述原纸层浆料包括以下重量份原料：短纤浆50~90份、长纤浆5~30份、机械浆5~30份、助流剂2~5份、助滤剂1~4份、阳离子淀粉3~8份；所述助流剂为重量份比1~3：0.6~1.5：1.3~3：0.9~2.2的羧甲基纤维素钠、聚酰胺、尤加利叶油、苹果桉叶油，所述助滤剂为重量份比为1：1~2：0.6~1.2的锯木屑、葵仁粕粉末、有机膨润土；
所述涂料包括以下重量份原料：研磨碳酸钙70~90份、轻质碳酸钙60~80份、乳胶50~70份、淀粉20~26份、分散剂4~6份、消泡剂3~5份、润滑剂3~9份、增稠剂5~8份、碱液3~5份，所述研磨碳酸钙C98等级1μm占比70~80%，2 μ m 占比98%以上，C65等级粒径分布2μm占比65%以上，所述乳胶粒径为80~120nm，玻璃化温度为-3~-6℃，所述分散剂为羧酸盐、变性酰胺共聚物或改性丙烯酸共聚物，所述羧酸盐为聚丙烯酸钠，所述消泡剂为重量份比1：2~3：1~3：1~3的山嵛甾醇、橄榄油羧酸钠、高碳脂肪醇、乳化甲基硅油。
2.如权利要求1所述的一种超细腻面感的哑光铜版纸，其特征在于：所述轻质碳酸钙为文石型，呈针状或棒状。
3.如权利要求1所述的一种超细腻面感的哑光铜版纸，其特征在于：所述润滑剂为矿物油、聚乙烯蜡、聚乙二醇、偏磷酸钠中的一种或几种。
4.如权利要求1所述的一种超细腻面感的哑光铜版纸，其特征在于：所述增稠剂为甲基纤维素钠、聚酰胺或醋酸乙烯中的一种或几种。
5.如权利要求1所述的一种超细腻面感的哑光铜版纸的制备方法，其特征在于：包括以下步骤：
S1、原纸制备：将短纤浆、长纤浆、机械浆混合，向混合浆种加入助流剂、助滤剂、阳离子淀粉混合搅拌，进行PFI磨打浆后，再进行抄造、烘干，得到原纸；
S2、制备涂料：按重量份将上述研磨碳酸钙、轻质碳酸钙、乳胶、淀粉搅拌均匀，在300~600rpm的速度搅拌下，再加入分散剂、消泡剂、润滑剂、增稠剂、碱液，高速分散40~80min，得到涂料；
S3、预涂层涂布：采用膜转移双面涂布，涂料固形份为50~60％，低剪切粘度为3000~500cps，涂布量为15~30g/m2，
S4、面涂层涂布：采用两次刮刀涂布，涂料固形份为60~70％，低剪切粘度为400~600cps，双面各一次涂布涂布量合计20~28g/m2。
6.如权利要求5所述的一种超细腻面感的哑光铜版纸的制备方法，其特征在于：所述高速分散的转速为5000~8000r/min。
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