丙烯酸接枝淀粉的制备及其印花性能

纺织学报 ›› 2013, Vol. 34 ›› Issue (3): 93-97.

丙烯酸接枝淀粉的制备及其印花性能

李林黄小华

安徽工程大学安徽省纺织面料重点实验室

收稿日期:2012-04-13 修回日期:2012-11-19 出版日期:2013-03-15 发布日期:2013-03-07
通讯作者: 黄小华 E-mail:huangxh56@163.com
基金资助:
安徽省高等学校省级优秀人才基金

Preparation and printing properties of acrylic acid grafted starch

Received:2012-04-13 Revised:2012-11-19 Online:2013-03-15 Published:2013-03-07

摘要/Abstract

摘要： 采用丙烯酸(AA)单体对酸解玉米淀粉进行接枝，讨论了丙烯酸单体与玉米淀粉剩基（AGU）配比、丙烯酸单体pH值、引发剂用量、反应时间及温度对接枝产物接枝率、抱水性及PVID值的影响，并用红外光谱（FTIR）对接枝产物进行表征。试验得出丙烯接枝酸解玉米淀粉优化工艺为：n(AA):n(AGU)=2:1，丙烯酸单体pH值为6、引发剂n(H2O2)/n(FeSO4)=1.98，n(H2O2)=0.529mmol，接枝反应温度为50℃及时间为3h。所得接枝产物接枝率为5.14%，羧基含量为4.02%；接枝产物的抱水性为10.5mm，PVID值为0.34，各项性能与海藻酸钠相近，可作印花原糊用。

关键词: 玉米淀粉, 接枝反应, 印花性能, 丙烯酸

Abstract: Acrylic acid (AA) monomer was used to graft corn starch with acidolysis. It were discussed the properties of grafted products including water-retention property, the value of PVID and the graft rate, which were influenced by the ratio of acrylic acid monomer and corn starch left radicals (AGU), the value of acrylic acid monomer pH, the dosage of initiator, the reaction time and temperature, and grafted products were characterized using infrared spectroscopy (FTIR). The optimization graft process was acquired as follows: the ratio of n(AA):n(AGU)=2:1, the value of acrylic acid monomer pH was 6, the initiator ratio of n(H2O2)/n(FeSO4)=1.98,grafting at 50℃ for 3h. The graft rate of grafted product was 5.14%, and content of carboxyl was 4.02%. The water-retention property of grafted product was 10.5 mm, the value of PVID was 0.34. The properties of grafted product which could be used for printing paste was similar to sodium alginate.

Key words: corn starch, grafting-reaction, printing property, acrylic acid

中图分类号:

TS 192.4

李林黄小华. 丙烯酸接枝淀粉的制备及其印花性能[J]. 纺织学报, 2013, 34(3): 93-97.

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