引用本文:
李慧, 路福绥, 王祜英, 翟利利, 李秀丽. 莠灭净悬浮剂物理稳定性[J]. 应用化学,
2012, 29(3): 327-331.
doi:
10.3724/SP.J.1095.2012.00158
Citation: LI Hui, LU Fusui, WANG Huying, ZHAI Lili, LI Xiuli. Physical Stability of Ametryne Suspension Concentrate[J]. Chinese Journal of Applied Chemistry, 2012, 29(3): 327-331. doi: 10.3724/SP.J.1095.2012.00158

Citation: LI Hui, LU Fusui, WANG Huying, ZHAI Lili, LI Xiuli. Physical Stability of Ametryne Suspension Concentrate[J]. Chinese Journal of Applied Chemistry, 2012, 29(3): 327-331. doi: 10.3724/SP.J.1095.2012.00158

莠灭净悬浮剂物理稳定性
English
Physical Stability of Ametryne Suspension Concentrate
Abstract:
Effects of dispersants and mass fraction on the physical stability of ametryne suspension concentrate were studied by the average particle size measurement and morphology characterization.The results showed that maleic rosin-polyoxypropylene-polyoxyethylene ether sulfonate(SC-3) formed double-layer adsorption on the surface layer of pesticide,resulting in two-layer static shield system.This system could effectively prevent the particles and water from contacting with each other,inhibiting particle agglomeration and crystal growth by Ostwald ripening.The average particle size and the particle morphology changed little after heat storage due to the restraint of crystal growth.The best physical stability was achieved when the dosage of SC-3 was over 4%.
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Key words:
- ametryne
- / suspension concentrate
- / average particle size
- / Ostwald ripening
- / stability
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