CN106835821A - 一种纸张复合增强剂及其制备方法 - Google Patents

一种纸张复合增强剂及其制备方法 Download PDF

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CN106835821A
CN106835821A CN201611127099.7A CN201611127099A CN106835821A CN 106835821 A CN106835821 A CN 106835821A CN 201611127099 A CN201611127099 A CN 201611127099A CN 106835821 A CN106835821 A CN 106835821A
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李子寅
洛芸鹤
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Suzhou Aibomaier New Material Co Ltd
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Abstract

本发明提供了一种纸张复合增强剂及其制备方法。制备方法如下：（1）将阳离子聚丙烯酰胺、阳离子淀粉和50‑70份蒸馏水混合，加热至80‑90℃，在转速200‑400r/min下搅拌；（2）加入葡甘聚糖、微晶纤维素、刺槐豆胶、羟丙基壳聚糖、水性环氧树脂、改性大豆磷脂、月桂酸单甘油酯、聚氧乙烯山梨醇酐单硬脂酸酯、柠檬酸钠和剩余蒸馏水，加热至90‑100℃，继续搅拌；（3）加入乙二醛，在转速400‑600r/min下搅拌；（4）放入冰浴中降至室温，放入烘箱中烘干即得。本发明的纸张复合增强剂能有效的提高纸张的强度性能，撕裂指数和抗张指数都有明显提高，增强效果明显，且白度基本无变化。

Description

一种纸张复合增强剂及其制备方法
技术领域
本发明涉及造纸助剂领域，具体涉及一种纸张复合增强剂及其制备方法。
背景技术
现代造纸工业与造纸化学品工业息息相关，在造纸生产过程中无论是在制浆、漂白、
打浆、脱墨还是纸页抄造，以及成纸后加工的整个造纸生产过程均离不开造纸化学品的应用。造纸工业的蓬勃发展可以给造纸化学品产业提供更广阔的发展空间，造纸化学品产业的发展又可以为造纸工业提供不可缺少的物质条件。因此，造纸化学品与造纸工业两者关系密不可分，两者之间相互促进，共同发展。在全球气候变暖的背景下，人们的环保意识不断提高，环保和绿色已经成为人们关注的焦点。要使造纸工业得以持续稳定的发展，就必须走绿色造纸、低碳经济的道路。同时制浆造纸化学品对纸张质量和生产成本起着至关重要的作用，在造纸生产过程中，不同的造纸化学品有不同的功能：如使用增强剂能有效的提高纸张的强度，改善造纸生产过程中的中间产品以及纸张最终产品的质量。因此，研究开发高效的纸张增强剂成为了当务之急，也将推动整个造纸工业的进步。
发明内容
要解决的技术问题：本发明的目的是提供一种纸张复合增强剂，能有效的提高纸张的强度性能，撕裂指数和抗张指数都有明显提高，增强效果明显，且白度基本无变化。
技术方案：一种纸张复合增强剂，由以下成分以重量份制备而成：阳离子聚丙烯酰胺1-3份、阳离子淀粉5-7份、葡甘聚糖1-3份、微晶纤维素1-2份、刺槐豆胶1-2份、羟丙基壳聚糖1-3份、水性环氧树脂1-2份、改性大豆磷脂1-3份、月桂酸单甘油酯2-5份、聚氧乙烯山梨醇酐单硬脂酸酯1-2份、柠檬酸钠0.2-0.5份、乙二醛3-6份、蒸馏水70-100份。
进一步优选的，所述的一种纸张复合增强剂，由以下成分以重量份制备而成：阳离子聚丙烯酰胺1.5-2.5份、阳离子淀粉5.5-6.5份、葡甘聚糖1.5-2.5份、微晶纤维素1.2-1.7份、刺槐豆胶1.3-1.8份、羟丙基壳聚糖1.5-2.5份、水性环氧树脂1.2-1.7份、改性大豆磷脂1.5-2.5份、月桂酸单甘油酯3-4份、聚氧乙烯山梨醇酐单硬脂酸酯1.3-1.8份、柠檬酸钠0.3-0.4份、乙二醛4-5份、蒸馏水80-90份。
上述纸张复合增强剂的制备方法包括以下步骤：
（1） 将阳离子聚丙烯酰胺、阳离子淀粉和50-70份蒸馏水混合，加热至80-90℃，在转速200-400r/min下搅拌30-40分钟；
（2） 加入葡甘聚糖、微晶纤维素、刺槐豆胶、羟丙基壳聚糖、水性环氧树脂、改性大豆磷脂、月桂酸单甘油酯、聚氧乙烯山梨醇酐单硬脂酸酯、柠檬酸钠和剩余蒸馏水，加热至90-100℃，继续搅拌20-40分钟；
（3） 加入乙二醛，在转速400-600r/min下搅拌40-60分钟；
（4） 放入冰浴中降至室温，放入烘箱中烘干即得。
进一步的，所述的一种纸张复合增强剂的制备方法，所述的步骤（1）中加热至85℃，转速为250-350r/min，搅拌时间为35分钟。
进一步的，所述的一种纸张复合增强剂的制备方法，所述的步骤（2）中加热至95℃，搅拌时间为25-35分钟。
进一步的，所述的一种纸张复合增强剂的制备方法，所述的步骤（3）中转速为450-550r/min，搅拌时间为45-55分钟。
有益效果：在添加本发明纸张复合增强剂后测定纸张的强度性能有明显提高，未添加的空白样品纸张的撕裂指数和抗张指数分别仅为15.8mN·m2/g和68.4N·m/g，而添加本发明增强剂的纸张的撕裂指数和抗张指数最高分别可达20.1mN·m2/g和73.3N·m/g，增强效果明显，而在添加本发明增强剂后其纸张的白度基本无下降，空白样品纸张的白度为69.1%，添加后白度在68.8-68.9%之间。
具体实施方式
实施例1
一种纸张复合增强剂，由以下成分以重量份制备而成：阳离子聚丙烯酰胺1份、阳离子淀粉5份、葡甘聚糖1份、微晶纤维素1份、刺槐豆胶1份、羟丙基壳聚糖1份、水性环氧树脂1份、改性大豆磷脂1份、月桂酸单甘油酯2份、聚氧乙烯山梨醇酐单硬脂酸酯1份、柠檬酸钠0.2份、乙二醛3份、蒸馏水70份。
上述纸张复合增强剂的制备方法为：（1）将阳离子聚丙烯酰胺、阳离子淀粉和50份蒸馏水混合，加热至80℃，在转速200r/min下搅拌30分钟；（2）加入葡甘聚糖、微晶纤维素、刺槐豆胶、羟丙基壳聚糖、水性环氧树脂、改性大豆磷脂、月桂酸单甘油酯、聚氧乙烯山梨醇酐单硬脂酸酯、柠檬酸钠和剩余蒸馏水，加热至90℃，继续搅拌20分钟；（3）加入乙二醛，在转速400r/min下搅拌40分钟；（4）放入冰浴中降至室温，放入烘箱中烘干即得。
实施例2
一种纸张复合增强剂，由以下成分以重量份制备而成：阳离子聚丙烯酰胺1.5份、阳离子淀粉5.5份、葡甘聚糖1.5份、微晶纤维素1.2份、刺槐豆胶1.3份、羟丙基壳聚糖1.5份、水性环氧树脂1.2份、改性大豆磷脂1.5份、月桂酸单甘油酯3份、聚氧乙烯山梨醇酐单硬脂酸酯1.3份、柠檬酸钠0.3份、乙二醛4份、蒸馏水80份。
上述纸张复合增强剂的制备方法为：（1）将阳离子聚丙烯酰胺、阳离子淀粉和55份蒸馏水混合，加热至82℃，在转速250r/min下搅拌35分钟；（2）加入葡甘聚糖、微晶纤维素、刺槐豆胶、羟丙基壳聚糖、水性环氧树脂、改性大豆磷脂、月桂酸单甘油酯、聚氧乙烯山梨醇酐单硬脂酸酯、柠檬酸钠和剩余蒸馏水，加热至95℃，继续搅拌25分钟；（3）加入乙二醛，在转速450r/min下搅拌45分钟；（4）放入冰浴中降至室温，放入烘箱中烘干即得。
实施例3
一种纸张复合增强剂，由以下成分以重量份制备而成：阳离子聚丙烯酰胺2份、阳离子淀粉6份、葡甘聚糖2份、微晶纤维素1.5份、刺槐豆胶1.5份、羟丙基壳聚糖2份、水性环氧树脂1.5份、改性大豆磷脂2份、月桂酸单甘油酯3.5份、聚氧乙烯山梨醇酐单硬脂酸酯1.5份、柠檬酸钠0.35份、乙二醛4.5份、蒸馏水85份。
上述纸张复合增强剂的制备方法为：（1）将阳离子聚丙烯酰胺、阳离子淀粉和60份蒸馏水混合，加热至85℃，在转速300r/min下搅拌35分钟；（2）加入葡甘聚糖、微晶纤维素、刺槐豆胶、羟丙基壳聚糖、水性环氧树脂、改性大豆磷脂、月桂酸单甘油酯、聚氧乙烯山梨醇酐单硬脂酸酯、柠檬酸钠和剩余蒸馏水，加热至95℃，继续搅拌30分钟；（3）加入乙二醛，在转速500r/min下搅拌50分钟；（4）放入冰浴中降至室温，放入烘箱中烘干即得。
实施例4
一种纸张复合增强剂，由以下成分以重量份制备而成：阳离子聚丙烯酰胺2.5份、阳离子淀粉6.5份、葡甘聚糖2.5份、微晶纤维素1.7份、刺槐豆胶1.8份、羟丙基壳聚糖2.5份、水性环氧树脂1.7份、改性大豆磷脂2.5份、月桂酸单甘油酯4份、聚氧乙烯山梨醇酐单硬脂酸酯1.8份、柠檬酸钠0.4份、乙二醛5份、蒸馏水90份。
上述纸张复合增强剂的制备方法为：（1）将阳离子聚丙烯酰胺、阳离子淀粉和65份蒸馏水混合，加热至87℃，在转速350r/min下搅拌35分钟；（2）加入葡甘聚糖、微晶纤维素、刺槐豆胶、羟丙基壳聚糖、水性环氧树脂、改性大豆磷脂、月桂酸单甘油酯、聚氧乙烯山梨醇酐单硬脂酸酯、柠檬酸钠和剩余蒸馏水，加热至95℃，继续搅拌35分钟；（3）加入乙二醛，在转速550r/min下搅拌55分钟；（4）放入冰浴中降至室温，放入烘箱中烘干即得。
实施例5
一种纸张复合增强剂，由以下成分以重量份制备而成：阳离子聚丙烯酰胺3份、阳离子淀粉7份、葡甘聚糖3份、微晶纤维素2份、刺槐豆胶2份、羟丙基壳聚糖3份、水性环氧树脂2份、改性大豆磷脂3份、月桂酸单甘油酯5份、聚氧乙烯山梨醇酐单硬脂酸酯2份、柠檬酸钠0.5份、乙二醛6份、蒸馏水100份。
上述纸张复合增强剂的制备方法为：（1）将阳离子聚丙烯酰胺、阳离子淀粉和70份蒸馏水混合，加热至90℃，在转速400r/min下搅拌40分钟；（2）加入葡甘聚糖、微晶纤维素、刺槐豆胶、羟丙基壳聚糖、水性环氧树脂、改性大豆磷脂、月桂酸单甘油酯、聚氧乙烯山梨醇酐单硬脂酸酯、柠檬酸钠和剩余蒸馏水，加热至100℃，继续搅拌40分钟；（3）加入乙二醛，在转速600r/min下搅拌60分钟；（4）放入冰浴中降至室温，放入烘箱中烘干即得。
对比例1
本实施例与实施例2的区别在于不含有葡甘聚糖和微晶纤维素。具体地说是：
一种纸张复合增强剂，由以下成分以重量份制备而成：阳离子聚丙烯酰胺1.5份、阳离子淀粉5.5份、刺槐豆胶1.3份、羟丙基壳聚糖1.5份、水性环氧树脂1.2份、改性大豆磷脂1.5份、月桂酸单甘油酯3份、聚氧乙烯山梨醇酐单硬脂酸酯1.3份、柠檬酸钠0.3份、乙二醛4份、蒸馏水80份。
上述纸张复合增强剂的制备方法为：（1）将阳离子聚丙烯酰胺、阳离子淀粉和55份蒸馏水混合，加热至82℃，在转速250r/min下搅拌35分钟；（2）加入刺槐豆胶、羟丙基壳聚糖、水性环氧树脂、改性大豆磷脂、月桂酸单甘油酯、聚氧乙烯山梨醇酐单硬脂酸酯、柠檬酸钠和剩余蒸馏水，加热至95℃，继续搅拌25分钟；（3）加入乙二醛，在转速450r/min下搅拌45分钟；（4）放入冰浴中降至室温，放入烘箱中烘干即得。
在添加本发明纸张复合增强剂后测定纸张的部分性能指标，结果见下表1，我们可以看到，纸张在添加本发明增强剂后其强度性能指标有明显提高，未添加的空白样品纸张的撕裂指数和抗张指数分别仅为15.8mN·m2/g和68.4N·m/g，而添加本发明增强剂的纸张的撕裂指数和抗张指数最高分别可达20.1mN·m2/g和73.3N·m/g，增强效果明显，而在添加本发明增强剂后其纸张的白度基本无下降，空白样品纸张的白度为69.1%，添加后白度在68.8-68.9%之间。
表1 添加纸张复合增强剂后纸张的部分性能指标
产品名称 抗张指数（N·m/g） 白度（%）
实施例1 19.1 72.8 68.9
实施例2 19.4 73.0 68.9
实施例3 19.7 73.1 68.8
实施例4 20.1 73.3 68.8
实施例5 20.0 73.2 68.9
对比例1 17.3 71.3 69.0
空白 15.8 68.4 69.1

Claims (6)

1.一种纸张复合增强剂，其特征在于：由以下成分以重量份制备而成：阳离子聚丙烯酰胺1-3份、阳离子淀粉5-7份、葡甘聚糖1-3份、微晶纤维素1-2份、刺槐豆胶1-2份、羟丙基壳聚糖1-3份、水性环氧树脂1-2份、改性大豆磷脂1-3份、月桂酸单甘油酯2-5份、聚氧乙烯山梨醇酐单硬脂酸酯1-2份、柠檬酸钠0.2-0.5份、乙二醛3-6份、蒸馏水70-100份。
2.根据权利要求1所述的一种纸张复合增强剂，其特征在于：由以下成分以重量份制备而成：阳离子聚丙烯酰胺1.5-2.5份、阳离子淀粉5.5-6.5份、葡甘聚糖1.5-2.5份、微晶纤维素1.2-1.7份、刺槐豆胶1.3-1.8份、羟丙基壳聚糖1.5-2.5份、水性环氧树脂1.2-1.7份、改性大豆磷脂1.5-2.5份、月桂酸单甘油酯3-4份、聚氧乙烯山梨醇酐单硬脂酸酯1.3-1.8份、柠檬酸钠0.3-0.4份、乙二醛4-5份、蒸馏水80-90份。
3.权利要求1至2任一项所述的一种纸张复合增强剂的制备方法，其特征在于：包括以下步骤：
（1） 将阳离子聚丙烯酰胺、阳离子淀粉和50-70份蒸馏水混合，加热至80-90℃，在转速200-400r/min下搅拌30-40分钟；
（2） 加入葡甘聚糖、微晶纤维素、刺槐豆胶、羟丙基壳聚糖、水性环氧树脂、改性大豆磷脂、月桂酸单甘油酯、聚氧乙烯山梨醇酐单硬脂酸酯、柠檬酸钠和剩余蒸馏水，加热至90-100℃，继续搅拌20-40分钟；
（3） 加入乙二醛，在转速400-600r/min下搅拌40-60分钟；
（4） 放入冰浴中降至室温，放入烘箱中烘干即得。
4.根据权利要求3所述的一种纸张复合增强剂的制备方法，其特征在于：所述步骤（1）中加热至85℃，转速为250-350r/min，搅拌时间为35分钟。
5.根据权利要求3所述的一种纸张复合增强剂的制备方法，其特征在于：所述步骤（2）中加热至95℃，搅拌时间为25-35分钟。
6.根据权利要求3所述的一种纸张复合增强剂的制备方法，其特征在于：所述步骤（3）中转速为450-550r/min，搅拌时间为45-55分钟。
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