Overview
Chelating dispersants are multifunctional chemicals designed to bind (chelate) metal ions in solution while preventing particle agglomeration. They play critical roles in industrial processes where metal ions (e.g., Ca²⁺, Mg²⁺, Fe³⁺) interfere with operations or product quality. Developed as advanced alternatives to traditional phosphates, modern formulations often use biodegradable components like gluconates or modified polyacrylates. Their dual action – chelation and dispersion – makes them indispensable in applications ranging from boiler water treatment to textile dyeing processes.
Physical and Chemical Properties
These agents typically exhibit high water solubility and maintain effectiveness across broad temperature ranges (5-90°C). Their chelation capacity is measured in milligrams of calcium carbonate equivalent per gram of product, with commercial grades offering 150-400 mg CaCO3/g. Key chemical characteristics include resistance to chlorine attack (in water treatment) and stability under alkaline conditions. Many formulations are phosphonate-based (e.g., HEDP, ATMP) for enhanced scale inhibition, while newer environmentally friendly variants utilize polyaspartic acid derivatives.
Main Applications
In water treatment systems, chelating dispersants control scale formation on heat exchange surfaces by sequestering hardness ions. Textile manufacturers use them to prevent metal-ion-induced shade variations during dyeing, particularly with reactive dyes. The pulp/paper industry employs these chemicals to minimize deposits in paper machines, while detergent formulators utilize them to improve cleaning efficiency in hard water. Emerging applications include oilfield scale control and as stabilizers in hydrogen peroxide bleaching processes.
Safety and Storage
While generally classified as low-hazard, concentrated solutions may require corrosion-resistant storage tanks (polyethylene or stainless steel). Prolonged skin contact should be avoided – nitrile gloves are recommended during handling. Storage life typically exceeds 12 months when kept in original containers away from direct sunlight. Freezing may cause component separation; thawed products should be homogenized before use. Spills can be contained with absorbent materials and rinsed with copious water.
B2B Procurement Guide
Industrial buyers should prioritize suppliers that provide detailed technical datasheets including: chelation values at different pH levels, compatibility with other treatment chemicals, and biodegradability data where required by regulations. Bulk shipments (IBC totes or tankers) typically offer 15-30% cost savings versus drum quantities. Consider regional production facilities to reduce logistics costs for liquid products. Performance testing with actual process water/conditions is strongly advised before large-scale adoption.
Related Manufacturers
- 主营：回收食品添加剂、回收日化原料、回收染料、有机原料螯合分散剂、回收颜料、回收树脂、回收饲料添加、回收橡胶助剂、回收塑料助剂、回收金属催化剂、回收无机盐、回收有机溶剂、回收油漆油墨、回收石油化工产品
- 主营：日化洗涤原料、表面活性剂、油田助剂、分散剂、溶剂
- 主营：水分保持剂、酸度调节剂、三聚磷酸钠、分散剂、磷酸二氢钾、焦磷酸二氢二钠、工业磷酸、添加剂饲料、食品磷酸、三水磷酸氢二钾、无水磷酸氢二钾、精品磷酸二氢钾、磷酸三钠、磷酸二氢钠、磷酸氢二钠、磷酸二氢铵、焦磷酸钠、磷酸盐、焦磷酸一氢三钠、化肥、磷酸氢二铵
- 主营：抗静电剂、APEO去除剂、高浓嵌段硅油、螯合分散剂、低温除油剂、亲水剂、高浓平滑剂、羽绒洗涤剂、羽绒蓬松剂、高浓柔软剂、羽绒清洗剂
- 主营：二甲苯、酵母浸粉、酵母浸膏、螯合铁、四氯乙烯、对苯二胺、蛋白胨、EDDHA-Fe6、多聚甲醛、甘油甲缩醛、黄血盐钠、黄血盐钾、三醋酸甘油酯、硼酸、乙氧基喹啉、亚磷酸、乙醇、硝酸异辛酯、十六烷值改进剂、270号溶剂油、乙酸乙酯、航空煤油、硫化锰、油酸酰胺、蛋氨酸
- 主营：二甲苯、辛醇国标、邻苯二甲、分散剂、环氧丙烷、涂料油墨、松香天然、丙二醇甲醚、乙二醇乙醚、过硫酸铵、偶氮二异丁腈、苯酚、顺酐、苯酐、乙二醇甲醚醋酸酯、间二甲苯、甲基异丁基甲酮、甲基丙烯酸甲酯、乙腈、环己酮、环氧树脂、过硫酸钠、氢氧化钾、乙醇
- 主营：食品添加剂、工业印染助剂保险粉、雕白块吊白粉、分散剂、五氧化二钒、工业及食品及片碱粒碱、电镀原料、污水处理剂、消毒剂、洗涤原料、英轩柠檬酸系列、葡萄糖、重金属捕捉剂、石油助剂、水溶农用肥料、表面活性剂、过碳酸钠、电镀催化剂
- 主营：粘缸剂、造纸柔软剂、树脂控制剂、螯合剂、毛布清洗剂、改良剂、杀菌剂、抑垢剂、烘缸剥离剂、除胶剂
- 主营：乳百灵、聚丙二醇 PPG、脂肪酸酯、分散剂、磷酸酯、匀染剂、辛基酚聚氧乙烯醚、乳化剂、聚醚、消泡剂、农药乳化剂、添加剂AC、乳化剂司盘、抗静电剂、纺织前处理助剂、柔软剂、净洗剂、脂肪醇聚氧乙烯醚、润湿剂、纺织印染助剂、渗透剂、乳化剂吐温、聚乙二醇PEG
- 主营：异辛醇、乳化剂、乙烯醚、分散剂、醚羧酸、脂肪醇、染色助剂、聚乙二醇、异构醇醚、泊洛沙姆、椰油酰胺、基羟乙基、烷基糖苷、特辛基酚、聚氧乙烯、嵌段聚醚、单油酸酯、异构十三醇、丙烯磺酸钠、氢化蓖麻油、丙烯酰胺基、醇醚葡糖苷、低泡渗透剂、甲酯乙氧基、癸基葡糖苷
- 主营：合成树脂、固化剂、不饱和树脂、良好的螯合能力、环氧树脂、聚酯多元醇、酚醛树脂、医药中间体
- 主营：架桥剂、YW100 锂萃取剂、端羧基液体丁腈橡胶、螯合阻垢、10-羟基癸酸、苯乙烯磷酸、肉豆蔻酸镁、硬脂酸钴、全氟三丁胺、乙烯基磷酸二乙酯、磷酸锰铁锂、β-磷酸三钙、十一烯酸、钨酸铝、1-乙炔基环已醇、间二异丙苯、锂硅合金、溴甲酚绿、生物活性玻璃、溴代海因树脂颗粒、红铝、龙涎酮、原丁酸三甲酯
- 主营：防冻液、冰醋酸、乙二醇、分散剂、冰乙酸、纯吡啶、丙二醇、羟基苯、14丁二醇、3-丙三醇、四氢呋喃、环保乙腈、化工苯酚、1.4丁二醇、医用苯酚、工业苯酚、精制苯酚、价位四氢、乙腈工业、乙酸乙酯、吡啶化工、甲酸乙酯、吡啶工业、求购苯酚、高纯三氯、实验乙腈
- 主营：脱水剂、纯丙烯酸乳液、市政污泥脱水剂、分散剂、预制构件专用乳液、GRC乳液、高性能流平乳液、靛蓝牛仔固色剂、非氧化性杀菌剂、水处理药剂、高固含丙烯酸乳液、高浓皂洗剂、预制件胶浆、白胶浆、绿色皂洗剂、建筑领域乳液、市政污水处理厂、污泥二次深度脱水、皂洗剂浓缩液、板框式污泥脱水剂、预制件 增强胶浆、印花硬挺剂 木板胶、GRC构件乳液、幕墙装饰板材、浮色清洗剂、液体型脱水剂
- 主营：氨氮去除剂、固体次氯酸钠、二氯异氰尿酸钠、螯合、三氯异氰尿酸、杀菌消毒剂、污水处理药剂、缓蚀阻垢剂、杀菌灭藻剂、三氯异氰尿酸钠、反渗透阻垢剂、除磷剂、次氯酸钠、次氯酸钠固体、总氮去除剂、脱色絮凝剂、絮凝剂、重金属捕捉剂、消泡剂、高效粘泥剥离剂、杀菌剂、灭藻剂、消毒片、水处理药剂
- 主营：聚乙烯亚胺、三甘醇二异辛酸酯3G8、三硫代碳酸钠40%、分散剂、TS-1钛硅分子筛、六氯环三磷腈、5-甲基靛红、烷基苯磺酸酯、苯基次磷酸钠、甲巯咪唑、吡啶硫酮锌、焦磷酸哌嗪、热敏材料、油酸甲酯、曲酸