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保水剂对淀粉/PVA/尿素复合肥料性能的影响研究 被引量:1

Effects of Water-retaining Agent on Properties of the Starch/PVA/urea Compound Fertilizer
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摘要 以淀粉与聚乙烯醇(PVA)的共混材料为基材,复合肥料(尿素)及保水剂制备复合肥料,主要研究了保水剂对复合肥料力学性能、加工性能、降解性能及吸水性能的影响。结果显示:随着保水剂含量的增加,材料的断裂伸长率增加,拉伸强度先增加后减小,流变性能变差,降解速率减缓,吸水率增加,可达到自身重量的几百倍。 Using starch and PVA as base material, compound fertilizer (urea) and water - retaining agent to prepare compound fertilizer. Mainly studied the effects of water - retaining agent on mechanical properties, processing performance, degradation performance and water absorption performance of the compound fertilizer. The results showed that: with the water- retaining agent content increasing, the elongation of material increased, tensile strength increased first and then decreased, the properties of theological became worse, degradation rate decreased, the increased water absorption of materials, which can reach hundreds of times of its own weight.
出处 《山东化工》 CAS 2015年第5期16-18,共3页 Shandong Chemical Industry
基金 天津科技大学大学生实验室创新基金项目(1303A204)
关键词 保水剂 淀粉 聚乙烯醇 尿素 复合肥料 water - retaining agent starch polyvinyl alcohol urea compound fertilizer
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