CN110894698A - 一种阳离子型施胶剂及其制备方法和应用 - Google Patents

一种阳离子型施胶剂及其制备方法和应用 Download PDF

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CN110894698A
CN110894698A CN201811061521.2A CN201811061521A CN110894698A CN 110894698 A CN110894698 A CN 110894698A CN 201811061521 A CN201811061521 A CN 201811061521A CN 110894698 A CN110894698 A CN 110894698A
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starch
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施晓旦
段鹏真
金霞朝
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Shanghai Changfa New Materials Co Ltd
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    • D—TEXTILES; PAPER
    • D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21H—PULP 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
    • D21H21/00—Non-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
    • D21H21/14—Non-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 characterised by function or properties in or on the paper
    • D21H21/16—Sizing or water-repelling agents
    • D—TEXTILES; PAPER
    • D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21H—PULP 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
    • D21H17/00—Non-fibrous material added to the pulp, characterised by its constitution; Paper-impregnating material characterised by its constitution
    • D21H17/01—Waste products, e.g. sludge
    • D—TEXTILES; PAPER
    • D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21H—PULP 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
    • D21H17/00—Non-fibrous material added to the pulp, characterised by its constitution; Paper-impregnating material characterised by its constitution
    • D21H17/03—Non-macromolecular organic compounds
    • D21H17/05—Non-macromolecular organic compounds containing elements other than carbon and hydrogen only
    • D21H17/17—Ketenes, e.g. ketene dimers
    • D—TEXTILES; PAPER
    • D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21H—PULP 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
    • D21H17/00—Non-fibrous material added to the pulp, characterised by its constitution; Paper-impregnating material characterised by its constitution
    • D21H17/20—Macromolecular organic compounds
    • D21H17/21—Macromolecular organic compounds of natural origin; Derivatives thereof
    • D21H17/24—Polysaccharides
    • D21H17/28—Starch
    • D—TEXTILES; PAPER
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    • D21H—PULP 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
    • D21H17/00—Non-fibrous material added to the pulp, characterised by its constitution; Paper-impregnating material characterised by its constitution
    • D21H17/20—Macromolecular organic compounds
    • D21H17/33—Synthetic macromolecular compounds
    • D21H17/46—Synthetic macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds
    • D21H17/52—Epoxy resins
    • D—TEXTILES; PAPER
    • D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21H—PULP 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
    • D21H17/00—Non-fibrous material added to the pulp, characterised by its constitution; Paper-impregnating material characterised by its constitution
    • D21H17/20—Macromolecular organic compounds
    • D21H17/33—Synthetic macromolecular compounds
    • D21H17/46—Synthetic macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds
    • D21H17/54—Synthetic 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
    • D—TEXTILES; PAPER
    • D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21H—PULP 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
    • D21H17/00—Non-fibrous material added to the pulp, characterised by its constitution; Paper-impregnating material characterised by its constitution
    • D21H17/63—Inorganic compounds
    • D21H17/64—Alkaline compounds

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Abstract

本发明公开了一种阳离子型施胶剂的制备方法，包括如下步骤：步骤一，将环氧类单体和胺类单体在水中混合，常温下充分反应；步骤二，向步骤一的产物中加入碱性物、淀粉、造纸黑液提取物混合并充分反应后，得到所述阳离子型施胶剂。本发明的阳离子型施胶剂是一种新型的施胶剂，该施胶剂以可再生的天然材料作为原料，满足绿色化学的要求，符合可持续发展的市场导向。从性能来讲，该产品结构中引入了阳离子基团，对纸张纤维有较好的附着能力，无需加入大量固着剂，即可增强纸张的耐水性和强度。

Description

一种阳离子型施胶剂及其制备方法和应用
技术领域
本发明涉及制浆造纸施胶剂制备领域，具体涉及一种阳离子型施胶剂及其制备方法。
背景技术
施胶剂是一种造纸用添加剂，通过施胶工艺，可以赋予纸张一定的物理性能，防止一些流体的渗入和扩散，同时赋予纸和纸板抗墨、抗水、抗乳液、抗腐蚀等性能以提高其平滑度、强度和使用期。目前常用的AKD施胶剂，松香胶类施胶剂存在成本高，施胶性能滞后，助留效果差，同时造纸污水处理难度大等缺点。
发明内容
本发明旨在提供一种阳离子型施胶剂的制备方法，以解决背景技术存在的上述缺陷，在满足纸张应用性能同时，可显著降低对环境的污染。
本发明是通过如下的技术方案实现的：
一种阳离子型施胶剂的制备方法，包括如下步骤：
步骤一，将环氧类单体和胺类单体在水中混合，常温下充分反应；
步骤二，向步骤一的产物中加入碱性物、淀粉、造纸黑液提取物混合并充分反应后，得到所述阳离子型施胶剂。
进一步的，上述反应中各组分的重量份数如下：
Figure BDA0001797225180000011
优选的，所述环氧类单体选自环氧乙烷、环氧丙烷、环氧氯丙烷、环氧树脂中的至少一种；
所述胺类单体选自二甲胺、二乙胺、三甲胺、三乙胺中的至少一种；
所述造纸黑液提取物选自半纤维素、纤维素、木糖中的一种或两种；
所述淀粉选自玉米淀粉、木薯淀粉、马铃薯淀粉中的至少一种；
所述碱性物是碱金属氢氧化物中的至少一种，优选氢氧化钠，最好是浓度为50wt％的氢氧化钠水溶液。
进一步优选的，步骤二的反应温度为80-90℃。
反应中加入的水主要用于分散环氧类单体和胺类单体，其用量是本领域技术人员根据实际反应需要容易进行调节的。优选的加入量为300-1200重量份。
通过上述方法制备的阳离子型施胶剂，其固含量为15-50wt％。
本发明的阳离子型施胶剂可用于造纸浆内施胶。
本发明的阳离子型施胶剂是一种新型的施胶剂，该施胶剂以可再生的天然材料作为原料，满足绿色化学的要求，符合可持续发展的市场导向。从性能来讲，该产品结构中引入了阳离子基团，对纸张纤维有较好的附着能力，无需加入大量固着剂，即可增强纸张的耐水性和强度。
具体实施方式
下面通过具体实施例对本发明进行阐述，但并不限制本发明。
实施例1
阳离子型施胶剂的制备：
将环氧氯丙烷46g、二甲胺50g溶于100g去离子水中，pH调至11左右，常温下反应3个小时，然后向反应釜中加入40g 50wt％氢氧化钠，纤维素50g，木薯淀粉50g，水130g,温度升温至80℃，反应4h，冷却过滤，得到成品，固含量46.45％。
实施例2
阳离子型施胶剂的制备：
将环氧氯丙烷40g，二甲胺60g溶于200g去离子水中，pH调至12左右，常温下反应2.5个小时，然后向反应釜中加入30g 50wt％氢氧化钠，半纤维素60g，玉米淀粉40g，水220g,温度升温至85℃，反应3.5h，冷却过滤，得到成品，固含量32.85％。
实施例3
阳离子型施胶剂的制备：
将环氧氯丙烷35g，二甲胺40g溶于230g去离子水中，pH调至13左右，常温下反应3个小时，然后向反应釜中加入30g 50wt％氢氧化钠，纤维素50g，马铃薯淀粉40g，水300g,温度升温至90℃，反应3h，冷却过滤，得到成品，固含量24.82％。
实施例4
阳离子型施胶剂的制备：
将环氧氯丙烷30g，二甲胺30g溶于300g去离子水中，pH调至12左右，常温下反应3个小时，然后向反应釜中加入20g 50wt％氢氧化钠，半纤维素30g，木薯淀粉25g，水300g,温度升温至85℃，反应3.5h，冷却过滤，得到成品，固含量16.95％。
应用实施例
将实施例1-4制备的阳离子型施胶剂和市售AKD中性施胶剂(固含量为20％)进行相同条件下应用对比，其中抄造定量100g/m2，浆+硫酸铝(5Kg/t纸)+AKD(阳离子型施胶剂)+CPAM(300ppm)+微粒子(400ppm)，AKD添加量：15Kg/t纸(湿/干)，阳离子型施胶剂添加量：15Kg/t纸(湿/干)。按照国家标准GB/T1540-2002，采用可勃(Cobb)值测试方法在翻转式可勃吸收性试验仪上进行纸张吸水性的测定，测定时间为60s，即Cobb60，以g/m2表示。同时测定纸张的撕裂强度。实验结果如表1所示。
表1施胶剂涂布纸张的cobb值及强度测试数据
Cobb值/(g/m<sup>2</sup>) 撕裂强度/(mN)
实施例1 110 215
实施例2 105 217
实施例3 101 210
实施例4 99 212
对比例 100 210
判定标准：Cobb值越小表明涂布纸的耐水性越好。从上述应用结果可以看出：使用本发明实施例1-4制备的阳离子型施胶剂，与对比例相比，具有相当甚至更好的耐水性，且撕裂强度较佳。
以上显示和描述了本发明的基本原理、主要特征及本发明的优点。本行业的技术人员应该了解，本发明不受上述实施例的限制，上述实施例和说明书中描述的只是说明本发明的原理，在不脱离本发明精神和范围的前提下，本发明还会有各种变化和改进，这些变化和改进都落入要求保护的本发明范围内。本发明要求保护的范围由所附的权利要求书及其等效物界定。

Claims (10)

1.一种阳离子型施胶剂的制备方法，其特征在于，包括如下步骤：
步骤一，将环氧类单体和胺类单体在水中混合，常温下充分反应；
步骤二，向步骤一的产物中加入碱性物、淀粉、造纸黑液提取物混合并充分反应后，得到所述阳离子型施胶剂。
2.如权利要求1所述的方法，其特征在于，各组分的重量份数如下：
Figure FDA0001797225170000011
3.如权利要求1所述的方法，其特征在于，所述环氧类单体选自环氧乙烷、环氧丙烷、环氧氯丙烷、环氧树脂中的至少一种。
4.如权利要求1所述的方法，其特征在于，所述胺类单体选自二甲胺、二乙胺、三甲胺、三乙胺中的至少一种。
5.如权利要求1所述的方法，其特征在于，所述造纸黑液提取物选自半纤维素、纤维素、木糖中的一种或两种。
6.如权利要求1所述的方法，其特征在于，所述淀粉选自玉米淀粉、木薯淀粉、马铃薯淀粉中的至少一种。
7.如权利要1所述的方法，其特征在于，所述碱性物选自碱金属氢氧化物中的至少一种。
8.如权利要求1所述的方法，其特征在于，步骤二的反应温度为80-90℃。
9.根据权利要求1-8任一项所述方法制备的阳离子型施胶剂。
10.如权利要求9所述阳离子型施胶剂的应用，其特征在于，用于造纸浆内施胶。
CN201811061521.2A 2018-09-12 2018-09-12 一种阳离子型施胶剂及其制备方法和应用 Pending CN110894698A (zh)

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CN101068986A (zh) * 2004-11-29 2007-11-07 巴斯福股份公司 纸施胶剂
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