首页> 外文期刊>Journal of Applied Polymer Science >Aqueous Polyacrylate/Poly(silicone-co-acrylate) Emulsion Coated Fertilizers for Slow Nutrient-Release Application
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Aqueous Polyacrylate/Poly(silicone-co-acrylate) Emulsion Coated Fertilizers for Slow Nutrient-Release Application

机译:缓慢养分施用的聚丙烯酸酯/聚(硅氧烷-丙烯酸酯-聚丙烯酸)乳液复合肥料

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摘要

Waterborne polyacrylate/poly(silicone-co-acrylate) emulsions were synthesized to develop coated fertilizers. The effects of the n-butyl acrylate (BA)/methyl methacrylate (MMA) ratio, vinyltriethoxysilane, and synthesis method on the water resistance, glasstransition temperature, mechanical properties, and nutrient-release profiles were investigated. The results show that miniemulsion polymerization with a BA/MMA ratio of 55:45 was the most suitable for slow nutrient-release applications. Under these conditions, the preliminary solubility rate of the nutrient was about 3%, and the 30-day cumulative nutrient release was 15% at 25℃.
机译:合成了水性聚丙烯酸酯/聚(硅氧烷-共丙烯酸)乳液,以开发包膜肥料。研究了丙烯酸正丁酯(BA)/甲基丙烯酸甲酯(MMA)的比例,乙烯基三乙氧基硅烷和合成方法对耐水性,玻璃化转变温度,机械性能和养分释放曲线的影响。结果表明,BA / MMA比为55:45的细乳液聚合最适合缓慢的养分释放应用。在这些条件下,营养物的初步溶解度约为3%,在25℃下30天累积的营养物释放率为15%。

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