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氧化淀粉胶黏剂的交联改性及其性能研究 被引量:13

Crosslinking Modification and Performance Study of Oxidized Starch Adhesive
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摘要 用玉米淀粉与过硫酸铵反应制备了氧化淀粉胶黏剂,再与二羟甲基双氰胺(DMDCD)进行交联反应,制备了一种交联改性氧化淀粉胶黏剂。采用红外光谱对样品进行了表征,并讨论了交联改性对氧化淀粉胶黏剂耐水性和贮存稳定性的影响。实验结果表明:DMDCD改性提高了淀粉胶黏剂的耐水性与贮存稳定性;当过硫酸铵质量分数为淀粉质量的1.5%,DMDCD质量分数为淀粉质量的3%时,交联改性氧化淀粉胶黏剂的贮存稳定性在45 d以上,其耐水时间、黏度分别为102 h和1680 mPa.s;红外分析证实了DMDCD与氧化淀粉发生了交联反应。 A new crosslinking modification oxidized starch adhesive was prepared using corn starch and ammonium persulfate as main materials, and erosslinking with dimethylol dieyandiamide (DMDCD). The product was character- ized by ~*F-IR. The water resistance and storage stability of the erosslinking modification oxidized starch adhesive were also discussed. The resuhs showed that DMDCD improves the water resistance and storage stability of oxidized starch adhesive; when the amount of ammonium persulfate is 1.5% of corn starch by mass, the amount of DMDCD is 3% of corn starch by mass, the modified starch adhesive can keep for 45 days at room temperature, and its water resistance is 102 h and its viscosity is 1680 mPa s. FT-IR spectrum indicated that DMDCD was crosslinked with oxidized starch.
出处 《包装工程》 CAS CSCD 北大核心 2012年第21期63-66,共4页 Packaging Engineering
关键词 氧化淀粉胶黏剂 二羟甲基双氰胺 交联改性 瓦楞纸 oxidized starch adhesive DMDCD crosslinking modification corrugated paper
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