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1)  Starch and it's Ramifications
淀粉及其衍生物
2)  starch derivatives
淀粉衍生物
1.
The development of starch derivatives has been expected and been considered that mix-modified starch is the development trends of the starch chemicals.
简要介绍了淀粉的结构和特点,以及物理改性、化学改性和酶法改性的基本原理,着重介绍了化学改性的基本原理,详细介绍了氧化淀粉、醚化淀粉和酯化淀粉的制备及应用,并对淀粉衍生物的研究方向作了展望,认为复合改性淀粉是未来淀粉化学品的发展趋势。
2.
Several starch derivatives was prepared as surface sizing agent,and then compared two indicators including ring crush strength and folding endurance.
制备出几种淀粉衍生物表面施胶液,并对比了施胶后瓦楞纸的环压强度以及耐折度这两项指标。
3)  starch derivant
淀粉衍生物
1.
The methods of application of starch derivants (oxided starch,cross linkage starch,porous starch etc.
介绍了氧化淀粉、交联淀粉、多孔淀粉等几种淀粉衍生物在建筑涂料中的使用方法及其性能,并对淀粉胶粘剂在建筑涂料中的应用现状和发展前景做了概述。
4)  starch derivative
淀粉衍生物
1.
The current situation and development trend of domestic and foreign production of starch derivatives are analyzed and explained, and aiming at existing problems, some beneficial suggestions in such respects as science and technology input, product development, personnel training, technology and enterprise fostering, application research and cooperation between home and abroad, etc.
对国内外淀粉衍生物的现状与发展趋势作了分析和阐述,并针对我国存在的问题,在科技投入、产品开发、人才培养、工艺技术、企业培育、应用技术研究及国内外合作等方面提出了一些有益的建议。
2.
New starch derivative was tested in membrane property,the optimum degree of substitute is suggested concerning the kind of modified starch for good membrane.
通过对芭蕉芋淀粉衍生物的浆膜性能测试 ,提出了较理想的醚化取代度 ,同时浆纱试验表明 ,与其他浆料相比 ,芭蕉芋淀粉衍生物能够取代PVA ,减少纺织用浆对环境的污
3.
The cationic starch derivative HY-6 is a commercial product prepared by graft-copolymerization of acrylamide (AM) onto starch, reaction of the graft-copolymer with formaldehyde and dimethylamine and quarternary salt formation.
阳离子淀粉衍生物HY 6由淀粉接枝聚丙烯酰胺与甲醛、二甲胺反应并季铵化制得。
5)  adenine and its ramifications
碱基及其衍生物
6)  carbohydrates and their derivative
糖及其衍生物
补充资料:淀粉衍生物
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性质:淀粉经酯化、醚化、交联和其他化学处理后所得的一类变性淀粉。主要种类有:交联淀粉、淀粉酯、淀粉醚和阳离子淀粉等。一般反应进程较慢,淀粉颗粒仍保持原来结构,物理性质基本不变,但耐热、耐酸、糊化温度等化学性质有很大改变。一般由淀粉乳浊液与某些化学试剂在稍高于室温的情况下进行。为提高反应活性,可用碱调到一定的pH值,反应至所需程度后经过滤、清洗、干燥而成。用作干电池隔离剂、纸(板)胶黏剂。也用于胶片和化妆品生产中。

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