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- The best process conditions for the polymerization of cationic starch and narrow molecular weight APAM were sorted out in making a kind of dry-strengthening agent for paper. 采用阳离子淀粉与窄分子量阴离子聚丙烯酰胺接枝制备纸张增干强剂,优选出了最佳的合成工艺条件,并进行了应用试验,结果证明合成出的产品溶解性好,用量少,增强效果明显。
- The Polymerization of Cationic Starch and Narrow Molecular Weight APAM Used for Dry-strengthening Agent 阳离子淀粉与窄分子量阴离子聚丙烯酰胺接枝制备纸张增干强剂
- Polymerization of Cationic Starch and Narrow Molecular Weight APAM Used for Dry-Strengthening Agent 阳离子淀粉与窄分子量阴离子聚丙烯酰胺接枝制备增干强剂
- narrow molecular weight APAM 窄分子量阴离子聚丙烯酰胺
- The graft copolymer of cationic starch and APAM with narrow molecular weight distribution was prepared and used for dry-strengthening agent. 用阳离子淀粉接枝窄相对分子质量阴离子聚丙烯酰胺制备干增强剂。
- APAM with narrow molecular weight distribution 窄相对分子质量阴离子聚丙烯酰胺
- Through the separation, lignosulfonate with narrow molecular weight distribution was obtained and then chemically modified. 通过对木质素磺酸盐进行分离,得到分子量分布较窄的木质素磺酸盐。
- In raucous micclle, horseradish peroxidase maintained high reaction activity and the phenolic polymers had narrow molecular weight distribution. 水相胶束中酶催化活力高，产物分子量均一；
- JAS 900. a copolymer of silicone and acrylate, has a high molecular weight, rational glass transition temperature and a narrow molecular weight distribution. JAS900丙烯酸酯有机硅合成树脂具有较高的分子量、合理的玻璃化温度、分子量分布较集中。
- The products are polyethers synthesized with new catalyst, characterized by low unsaturation, narrow molecular weight distribution, high activity and high primary hydroxyl content. 本产品系新型催化剂合成的聚醚，其特点是不饱和度低，分子量分布窄，活性高，伯羟基含量高。
- The result showed that the hyperbranched polyester had narrow molecular weight distribution,its molecular weight distribution become wider and polydispersity rised when the generations increased. GPC的结果表明:随着代数的增加,超支化聚酯的分散指数增加,相对分子质量分布加宽,聚酯的实测相对分子质量与理论相对分子质量的差越来越大。
- The poly-oxyethylene alkyl phenyl ether obtained by calcium oxide catalyst had perfect quality with narrow molecular weight distribution, high cloud point, good appearance and low by - product PEG. 乙氧基化制得的烷基酚聚氧乙烯醚产品分子量分布窄,浊度高,外观色泽好,副产物聚乙二醇(PEG)低。
- Keywords cationic starch;APAM with narrow molecular weight distribution;dry-strength agent; 阳离子淀粉;窄相对分子质量阴离子聚丙烯酰胺;干增强剂;
- In the rubber compounds filled with carbon blacks of negative tint residual, the free rubber has a narrower molecular weight distribution. 对负着色残差的炭黑(聚集体尺寸分布较宽),可溶胶分子量分布较窄;
- narrow molecular weight distributions 窄分子量分布
- The polyether polyols which has higher molecular weight,narrower molecular weight distribution and lower unsaturation can be prepared by using double metal cyanide (DMC) complex catalysts. 用双金属氰化物(DMC)络合催化剂可制得相对分子质量高、相对分子质量分布窄和不饱和度低的聚醚多元醇。
- A plasma globulin of high molecular weight. 大球蛋白细胞分子中较重的血球蛋白
- CRYSTALLIZATION KINETICS OF NARROW MOLECULAR WEIGHT DISTRIBUTION METALLOCENE SHORT-CHAIN-BRANCHED POLYETHYLENE 窄分子量分布茂金属短链支化聚乙烯结晶动力学
- Synthesis, Characterization and Application of Narrow Molecular Weight Distribution PS 窄分子量分布PS的合成、表征及应用
- Enzymes are large molecular weight compounds. 酶是高分子化合物。
