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- As a kind of green scale inhibitor,polyaspartic acid derivative is synthesized by using L-aspartic acid and triethanolamine in acid-catalyzing. 采用磷酸作催化剂,以L-天冬氨酸热聚合,再与三乙醇胺化合的方法合成了一种不含磷的环保型阻垢剂聚天冬氨酸衍生物。
- polyaspartic acid derivatives with hydroxyl 羟化聚天冬氨酸
- polyaspartic acid derivatives with hydroxyl group 羟化聚天冬氨酸
- polyaspartic acid derivative 聚天冬氨酸衍生物
- An amino - acid derivative of galactose. 半乳糖胺半乳糖的一种氨基酸衍生物
- Polyaspartic acid is a green,biodegradable and environment friendly chemical. 聚天冬氨酸是一类可生物降解、对环境友好的绿色化学品。
- The synergistic scale inhibition effect of rare-earth permanent magnetic material and polyaspartic acid was studied. 本文将稀土永磁材料与环保型高分子聚合物--聚天冬氨酸相结合,研究其协同阻垢效果。
- The scale and corrosion inhibition of polyaspartic acid and its mixture of phosphorous water treatment agent (HEDP, PBTCA, DETPMP) is discussed. 摘要研究了聚天冬氨酸及其与膦系水处理剂(HEDP、PBTCA、DETPMP)复合的阻垢缓蚀性能。
- This paper summarizes the different methods on the synthese of polyaspartic acid,and its application prospect. 介绍了近年来聚天冬氨酸的合成工艺,阐述了聚天冬氨酸的主要用途和发展前景。
- The PASP (polyaspartic acid) is synthesized by means of pyrocondensation polymerization, using maleamic acid as a monomer. 以马来酰胺为单体,采用热缩聚法,合成了聚天冬氨酸(PASP)
- A scale inhibitor of polyaspartic acid (PASP) was prepared from the thermal polycondensation of maleic anhydride and ammonium salt. 采用马来酸酐和铵盐热缩聚反应制备聚天冬氨酸(PASP)阻垢剂。
- Polyaspartic acid(PASP) was synthesized by self-catalysis process with microwave using maleic anhydride and ammonium acetate as raw materials. 以马来酸酐和乙酸铵为原料,在微波条件下用自催化法合成了聚天冬氨酸(PASP)。
- Organic germanium poly acid derivative could prevent the decline of spleen weight. 且有机锗多酸衍生物可防止荷瘤鼠脾脏重量的下降。
- Scale inhibition and compatibility with other reagents of polyaspartic acid(PASP) are studied in a plant's open recirculating cooling water system. 为了拓展其应用领域,该文研究了PASP用于某厂循环冷却水时的阻垢性能以及与其他药剂的配伍性。
- The scale and corrosion inhibition of polyaspartic acid and its mixture of phosphorous water treatment agent(HEDP,PBTCA,DETPMP) is discussed. 研究了聚天冬氨酸及其与膦系水处理剂(HEDP、PBTCA、DETPMP)复合的阻垢缓蚀性能。
- A green scale inhibitor of polyaspartic acid (PASP) was prepared from the thermal polycondensation of the monomers maleic anhydride and ammonia water. 摘要以马来酸酐和氨水为原料,采用热缩聚反应制备了绿色阻垢剂聚天冬氨酸(PASP)。
- The green scale inhibitor, polyaspartic acid was presented.The scale effect of polyaspartic acid was better than traditional scale inhibitors.It was a kind of green chemicals. 摘要: 介绍了一种绿色水处理阻垢剂聚天冬氨酸,同传统缓蚀阻垢剂相比,它的阻垢效用好,而且具有极高的生物降解性,属于绿色化学品。
- Various scale-corrosion inhibitors and scale dispersants are considered.Two green scale inhibitors, polyaspartic acid and polyepoxysuccinic acid, are detailed and emphasized. 讨论了一些主要的阻垢缓蚀剂和阻垢分散剂,并重点讨论了两种绿色阻垢剂(聚天冬氨酸和聚环氧琥珀酸)。
- The polyaspartic acid is synthesized by means of pyrocondensation polymerization ,using aspartic acid as a monomer.The effect of temperature and time on yield is studied. 以天门冬氨酸为单体,采用加热缩聚法,合成了聚天冬氨酸,研究了温度、时间对收率的关系。
- Disclosed is a composition for treatment of external secretion disorders comprising, as an active ingredient a fatty acid derivative. 本发明公开了一种包含作为有效成分的一种脂肪酸衍生物、用于治疗外分泌障碍的组合物。