施用肥料增效剂聚天冬氨酸对土壤性质无明显影响。
There is no influence for the properties of soil by using PASP.
本发明公开了一种制备聚天冬氨酸的微波化学技术。
The invention relates to a kind of microwave chemical technique for manufacturing poly-aspartic acid.
概略评述了可生物降解聚合物聚天冬氨酸的性质、用途及合成研究情况。
The properties, current applications and synthesis of biodegradable polyaspartic acid were described.
以L -天冬氨酸为原料,热缩合成聚天冬氨酸酐,水解得到聚天冬氨酸。
Poly (anhydroaspartic acid) was prepared by thermal condensation of L-aspartic acid, which can be hydrolyzed to poly.
作者研究了聚琥珀酰亚胺的不同水解条件对其产物聚天冬氨酸阻垢性能的影响。
The influence of the different conditions of polysuccinimide hydrolyzation on the scale inhibition effect of polyaspartic acid is studied.
在分析注入水和地层水离子成分的基础上,比较了聚天冬氨酸与其他几种常用阻垢剂的阻垢性能。
On the basis of analysis on ionic compositions of injected water and formation water. The performance of polyapartic acid scale inhibitor is contrasted with that of other inhibitors.
本发明涉及聚天冬氨酸(PASP)的一种用途,即将聚天冬氨酸用于修复重金属污染的土 壤。
The invention relates to a usage of Polyaspartic acid (PASP), which means the Polyaspartic acid is applied to repairing soil which is polluted by heavy metal.
本发明制备的聚天冬氨酸的分子量分布为500-50000,属环境友好型化工产品,用途广泛。
The molecular weight distribution of poly-aspartic acid manufactured by the invention is 500-50000, which belongs to chemical product that is friendly to environment, and it has extensive usefulness.
含膦酰基聚天冬氨酸与PBTCA、HPA等药剂复配得到的低磷药剂性能达到常用有机磷药剂的水平。
The scale inhibiting performance and dispersion ability of the combinations of phosphono PASP, PBTCA and HPA can be the same as the commonly used organophosphorus chemicals.
试验显示,施用聚天冬氨酸可使玉米水培的生物学产量增加53.8%,玉米盆栽生物学产量增加13.4%。
The results showed that the biological yield of maize can be increased by 53.8% in water planting and 13.4% in pot planting.
前言: 聚天冬氨酸是一类性能优异的水溶性高分子材料,因具有高度生物可降解性,是优良的“环境友好”型生物高分子材料。
Polyaspartic acid has the utility of water-soluble polymer. It's biodegradability makes it particularly valuable from the view of environmental acceptability.
静态阻垢试验及小型动态阻垢试验结果表明,此两种水处理工艺具有很好的协同增效阻垢作用,可大大提高聚天冬氨酸的阻垢效果。
Static and dynamic scale inhibition tests showed good synergistic scale inhibition effect, and can greatly heighten the sale inhibition effect of polyasparticacid.
通过海洋大气环境户外暴晒老化试验和盐雾加速老化试验,试验研究了不同硬段含量的聚天冬氨酸酯(PAE)聚脲涂层的耐海洋环境老化性能。
Polyurea coatings with different contents of hard segment polyaspartic ester(PAE) were investigated through aging tests of marine environment outdoor exposure and salt fog testing.
以L 天冬氨酸为原料,采用溶剂法合成聚琥珀酰亚胺,并研究了催化剂、反应时间和混和溶剂配比对反应的影响。
Poly(succinimide)(PSI) was synthesized by polycondensation of L-aspartic acid in a solvent. The effects of the catalyst, reaction time and solvent on the reaction were studied.
以L 天冬氨酸为原料,采用溶剂法合成聚琥珀酰亚胺,并研究了催化剂、反应时间和混和溶剂配比对反应的影响。
Poly(succinimide)(PSI) was synthesized by polycondensation of L-aspartic acid in a solvent. The effects of the catalyst, reaction time and solvent on the reaction were studied.
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