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Synthesis and Properties of Rosin-Based Dispersant for Coal-Water Slurry

机译：煤水浆料松香基分散剂的合成与性能

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The main objective of the present work was to synthesize a new type of rosin-based dispersant for Chinese Shenhua coal-water slurry (CWS) and evaluate it's application performances for CWS preparation. In this study, 1.0 generation polyamidoamine (PAMAM) dendrimer with a dehydroabietylamine core, firstly was prepared through Michael addition and amidation, then the rosin-based dispersant was synthesized by the reaction of the dendrimer and chloroactic acid. The formulation and static stability of the slurry with the dispersant were investigated. The experimental results show that the rosin-based dispersant has a good dispersing ability at low dosage, and that the CWS with the dispersant exhibits the excellent static stability. Based on the above, the rosin-based dispersant is a promising dispersant for highly-loaded CWS in the practical use in industry.
机译：本作工作的主要目的是综合中国申花煤泥浆（CWS）的新型松香基分散剂，并评估CWS制备的应用性能。在本研究中，通过迈克尔加成和酰胺化制备1.0代聚酰胺（PAMAM）树枝状晶体，通过迈克尔添加和酰胺化制备，然后通过树枝状聚合物和氯酸酯的反应合成松香基分散剂。研究了浆料与分散剂的配方和静态稳定性。实验结果表明，松香基分散剂在低剂量下具有良好的分散能力，并且具有分散剂的CWS表现出优异的静态稳定性。基于上述，松香的分散剂是在工业中的实际应用中的高负荷CWS的有望分散剂。

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