文章摘要
周刚,吕勇,宋词,魏先福.双醛壳聚糖/阳离子淀粉施胶剂的抗油脂性能[J].包装工程,2016,37(23):13-17.
ZHOU Gang,LYU Yong,SONG Ci,WEI Xian-fu.Grease Resistance of Sizing Agent of Dialdehyde Chitosan/Cationic Starch[J].Packaging Engineering,2016,37(23):13-17.
双醛壳聚糖/阳离子淀粉施胶剂的抗油脂性能
Grease Resistance of Sizing Agent of Dialdehyde Chitosan/Cationic Starch
投稿时间:2016-07-19  修订日期:2016-12-10
DOI:
中文关键词: 双醛壳聚糖  施胶剂  涂布纸  抗油脂性能
英文关键词: dialdehyde chitosan  sizing agent  coated paper  grease resistance
基金项目:国家自然科学基金(31270633);浙江省教育厅访问工程师校企合作项目(FG2014126)
作者单位
周刚 1.义乌工商职业技术学院义乌 3220002.北京印刷学院北京 102600 
吕勇 义乌工商职业技术学院义乌 322000 
宋词 义乌工商职业技术学院义乌 322000 
魏先福 北京印刷学院北京 102600 
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中文摘要:
      目的 提高包装纸的环保性及抗油脂性能。方法 通过高碘酸钠选择性氧化壳聚糖(CTS)来制备双醛壳聚糖(D-CTS),将双醛壳聚糖与阳离子淀粉(CS)进行复配来制备D-CTS/CS施胶剂,然后将D-CTS/CS施胶剂在手抄纸上进行涂布,测试涂布纸的抗油脂性能。利用表面接触角仪来分析抗油脂的作用机理。结果 复合施胶剂中,当双醛壳聚糖质量分数为0.3%,干燥温度为80 ℃,干燥时间为50 s,pH值为5.5~6.5时,涂布纸抗油脂性能最好,抗油脂指数最高能达到10。结论 纸张表面经过该施胶剂处理后,纸张表面静电作用以及成膜性能都得到了提高,从而阻碍了油滴在纸张中的渗透,使抗油脂性能得到了增强。
英文摘要:
      The work aims to improve the environmental friendliness and grease resistance of the packaging paper. The dialdehyde chitosan (D-CTS) was prepared from the selective oxidized chitosan through sodium periodate. Sizing agent D-CTS/CS was obtained by mixing dialdehyde chitosan (D-CTS) with cationic starch (CS). Then, the grease resistance of the coated paper was tested by applying the sizing agent D-CTS/CS on the handmade paper. The surface contact angle instrument was adopted to analyze the function mechanism of grease resistance. In the process of mixing the sizing agent, when the mass fraction of dialdehyde chitosan was 0.3%, drying temperature was 80 ℃, drying time was 50 s and pH was 5.5~6.5, the grease resistance of coated paper was the best and the maximum grease resistance index could reach 10. After the paper surface is processed with sizing agent, both the electrostatic interaction of paper surface and the film-forming property are improved. In such case, the oil drop can be prevented from permeating into the paper, so that the grease resistance will be strengthened.
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