有谁帮我翻译一下下,万分感谢

来源:百度知道 编辑:UC知道 时间:2024/05/10 23:23:39
绿色化学是近年提出的新概念,是一门全新的从源头上彻底阻止污染的化学。聚天冬氨酸是目前国际公认的绿色水处理剂和更新换代产品。已有研究指出。聚天冬氨酸是一种具有良好阻垢、缓蚀性能的环境友好水处理剂,可用于循环冷却水、锅炉及油气水处理,可防止垢堵塞管 道和地层,提高热效率,阻止金属的腐蚀。
本文采用马来酸醉和碳酸钱为原料合成了聚琥珀亚酰胺,适宜的合成条件为:马来酸酐和碳酸铵的摩尔比为 1:1.2,反应温度为180℃,反应时间为1.0h。相对分子质量在3500左右。聚琥珀亚酰胺水解的最佳条件是:氢氧化钠与聚琥珀亚酰胺的质量比为0. 46: 1,氢氧化钠浓度为 10mo1/L,水解温度为25℃,该制备工艺简单,易操作,基本无污染。
采用静态阻垢法对聚天冬氨酸抑制碳酸钙沉积性能进行了评定。结果发现:聚天冬氨酸对碳酸钙具有优良的阻垢性能。
研究了PASP的生物降解性。结果表明:PASP属于易生物降解物质,其生物降解性明显优于目前同类主导产品PAA,这与在其分子链中插入氮原子有很大关系。不同分子量的PASP的降解性研究表明,PASP所带支链和末端基团的不规则结构影响其生物降解性。
关键词:聚琥珀亚酰胺、聚天冬氨酸,

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