CN107325753A - 一种瓦楞纸高强度粘结剂的制备方法 - Google Patents

一种瓦楞纸高强度粘结剂的制备方法 Download PDF

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CN107325753A
CN107325753A CN201710559258.9A CN201710559258A CN107325753A CN 107325753 A CN107325753 A CN 107325753A CN 201710559258 A CN201710559258 A CN 201710559258A CN 107325753 A CN107325753 A CN 107325753A
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林悦敏
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Hefei Longfa Packaging Co Ltd
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Abstract

本发明公开一种瓦楞纸高强度粘结剂的制备方法,包括以下操作步骤:(1)将淀粉加入至60‑70℃的温水中,混合搅拌均匀后,向其中加入体积分数为30%的双氧水保持反应体系的温度为45‑55℃,反应时间为40‑50min,制得氧化淀粉;(2)向制得的氧化淀粉中加入D‑乳酸甲酯、乙二胺基丙磺酸钠、异丙醇频哪醇硼酸酯、四丁基氟化铵、二丁硫脲、纳米氧化锌,混合搅拌均匀后,再继续向其中加入硅烷偶联剂KH‑540,混合搅拌均匀后,制得成品。本发明提供的瓦楞纸高强度粘结剂的制备方法,操作简单,制得的高强度粘结剂,安全环保,耐水性优异,无刺激性气味,粘结强度高。

Description

一种瓦楞纸高强度粘结剂的制备方法
技术领域
本发明属于瓦楞纸粘结剂技术领域,具体涉及一种瓦楞纸高强度粘结剂的制备方法。
背景技术
瓦楞纸板因无污染、可再生、具有良好的缓冲性能等优点,在包装中得到广泛应用。至今,瓦楞纸板已成为现代包装中使用最广泛的包装材料之一,瓦楞纸箱产值占包装工业制品总产值的30%以上。目前,随着包装行业的兴起,人们对瓦楞纸的环保性、安全性要求更高,除了要求瓦楞纸的材质具有较好的安全性外,在瓦楞纸中所使用的粘结剂也需要具有绿色环保的特点。虽然市售的有一些淀粉高分子粘结剂,但是其普遍存在着粘结强度不高的现象。
发明内容
为了解决上述问题,本发明提供一种瓦楞纸高强度粘结剂的制备方法。
本发明是通过以下技术方案实现的。
一种瓦楞纸高强度粘结剂的制备方法,包括以下操作步骤:
(1)将淀粉加入至60-70℃的温水中,混合搅拌均匀后,向其中加入体积分数为30%的双氧水保持反应体系的温度为45-55℃,反应时间为40-50min,制得氧化淀粉;
(2)向制得的氧化淀粉中加入D-乳酸甲酯、乙二胺基丙磺酸钠、异丙醇频哪醇硼酸酯、四丁基氟化铵、二丁硫脲、纳米氧化锌,混合搅拌均匀后,再继续向其中加入硅烷偶联剂KH-540,混合搅拌均匀后,制得成品,其中按重量份计:氧化淀粉150-180份、D-乳酸甲酯2-4份、乙二胺基丙磺酸钠5-7份、异丙醇频哪醇硼酸酯8-10份、四丁基氟化铵5-8份、二丁硫脲2-5份、纳米氧化锌1-3份。
具体地,上述步骤(1)中淀粉与温水的质量体积比为1kg:3-5L。
具体地,上述体积分数为30%的双氧水的添加量为每千克淀粉加入40-50ml。
由以上的技术方案可知,本发明的有益效果是:
本发明提供的瓦楞纸高强度粘结剂的制备方法,操作简单,制得的高强度粘结剂,安全环保,耐水性优异,无刺激性气味,粘结强度高。其中,D-乳酸甲酯、乙二胺基丙磺酸钠、异丙醇频哪醇硼酸酯协同作用后,可有效的提升粘结剂的润湿性能,提高胶液与被粘物表面的浸润性和初粘性,使其与瓦楞纸箱充分的粘合从而提高粘结强度;四丁基氟化铵、二丁硫脲、纳米氧化锌协同作用后,可有效的提升干燥后粘结剂的致密性,进而提升了其防水以及耐磨性能。
具体实施方式
以下实施例用于说明本发明,但不能用来限制本发明的范围。实施例中采用的实施条件可以根据厂家的条件作进一步调整,未说明的实施条件通常为常规实验条件。
实施例1
一种瓦楞纸高强度粘结剂的制备方法,包括以下操作步骤:
(1)将淀粉加入至60℃的温水中,混合搅拌均匀后,向其中加入体积分数为30%的双氧水保持反应体系的温度为45℃,反应时间为40min,制得氧化淀粉;
(2)向制得的氧化淀粉中加入D-乳酸甲酯、乙二胺基丙磺酸钠、异丙醇频哪醇硼酸酯、四丁基氟化铵、二丁硫脲、纳米氧化锌,混合搅拌均匀后,再继续向其中加入硅烷偶联剂KH-540,混合搅拌均匀后,制得成品,其中按重量份计:氧化淀粉150份、D-乳酸甲酯2份、乙二胺基丙磺酸钠5份、异丙醇频哪醇硼酸酯8份、四丁基氟化铵5份、二丁硫脲2份、纳米氧化锌1份。
具体地,上述步骤(1)中淀粉与温水的质量体积比为1kg:3L。
具体地,上述体积分数为30%的双氧水的添加量为每千克淀粉加入40ml。
实施例2
一种瓦楞纸高强度粘结剂的制备方法,包括以下操作步骤:
(1)将淀粉加入至65℃的温水中,混合搅拌均匀后,向其中加入体积分数为30%的双氧水保持反应体系的温度为50℃,反应时间为45min,制得氧化淀粉;
(2)向制得的氧化淀粉中加入D-乳酸甲酯、乙二胺基丙磺酸钠、异丙醇频哪醇硼酸酯、四丁基氟化铵、二丁硫脲、纳米氧化锌,混合搅拌均匀后,再继续向其中加入硅烷偶联剂KH-540,混合搅拌均匀后,制得成品,其中按重量份计:氧化淀粉170份、D-乳酸甲酯3份、乙二胺基丙磺酸钠6份、异丙醇频哪醇硼酸酯9份、四丁基氟化铵7份、二丁硫脲3份、纳米氧化锌2份。
具体地,上述步骤(1)中淀粉与温水的质量体积比为1kg:4L。
具体地,上述体积分数为30%的双氧水的添加量为每千克淀粉加入45ml。
实施例3
一种瓦楞纸高强度粘结剂的制备方法,包括以下操作步骤:
(1)将淀粉加入至70℃的温水中,混合搅拌均匀后,向其中加入体积分数为30%的双氧水保持反应体系的温度为55℃,反应时间为50min,制得氧化淀粉;
(2)向制得的氧化淀粉中加入D-乳酸甲酯、乙二胺基丙磺酸钠、异丙醇频哪醇硼酸酯、四丁基氟化铵、二丁硫脲、纳米氧化锌,混合搅拌均匀后,再继续向其中加入硅烷偶联剂KH-540,混合搅拌均匀后,制得成品,其中按重量份计:氧化淀粉180份、D-乳酸甲酯4份、乙二胺基丙磺酸钠7份、异丙醇频哪醇硼酸酯10份、四丁基氟化铵8份、二丁硫脲5份、纳米氧化锌3份。
具体地,上述步骤(1)中淀粉与温水的质量体积比为1kg:5L。
具体地,上述体积分数为30%的双氧水的添加量为每千克淀粉加入50ml。
对比例1
不添加D-乳酸甲酯、乙二胺基丙磺酸钠、异丙醇频哪醇硼酸酯成分,其余操作步骤与实施例1完全相同。
对比例2
不添加四丁基氟化铵、二丁硫脲、纳米氧化锌,其余操作步骤与实施例2完全相同。
分别用各实施例和对比例的方法制得粘结剂,然后测试其性能,测试结果如表1所示:
表1产品性能指标的比较
项目 剥离强度/N.cm-1 气味
实施例1 62 无刺激性气味
对比例1 51 无刺激性气味
实施例2 63 无刺激性气味
对比例2 53 无刺激性气味
实施例3 63 无刺激性气味
市售普通改性淀粉粘结剂 55 有刺激性气味
由表1可知,本发明制得的高强度粘结剂,具有优异的剥离强度,且安全环保,无刺激性气味,极大地提升了瓦楞纸箱的品质。
应当理解的是,本发明的应用不限于上述的举例,对本领域普通技术人员来说,可以根据上述说明加以改进或变换,所有这些改进和变换都应属于本发明所附权利要求的保护范围。

Claims (3)

1.一种瓦楞纸高强度粘结剂的制备方法,其特征在于,包括以下操作步骤:
(1)将淀粉加入至60-70℃的温水中,混合搅拌均匀后,向其中加入体积分数为30%的双氧水保持反应体系的温度为45-55℃,反应时间为40-50min,制得氧化淀粉;
(2)向制得的氧化淀粉中加入D-乳酸甲酯、乙二胺基丙磺酸钠、异丙醇频哪醇硼酸酯、四丁基氟化铵、二丁硫脲、纳米氧化锌,混合搅拌均匀后,再继续向其中加入硅烷偶联剂KH-540,混合搅拌均匀后,制得成品,其中按重量份计:氧化淀粉150-180份、D-乳酸甲酯2-4份、乙二胺基丙磺酸钠5-7份、异丙醇频哪醇硼酸酯8-10份、四丁基氟化铵5-8份、二丁硫脲2-5份、纳米氧化锌1-3份。
2.根据权利要求1中所述的一种瓦楞纸高强度粘结剂的制备方法,其特征在于,上述步骤(1)中淀粉与温水的质量体积比为1kg:3-5L。
3.根据权利要求1中所述的一种瓦楞纸高强度粘结剂的制备方法,其特征在于,上述体积分数为30%的双氧水的添加量为每千克淀粉加入40-50ml。
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