Overview
High-solid dispersants are surface-active agents designed to stabilize solid particles (e.g., pigments, fillers) in concentrated liquid systems (>60% solids). They work by adsorbing onto particle surfaces, creating electrostatic or steric repulsion to prevent flocculation. Unlike conventional dispersants, these are optimized for low-solvent environments, reducing VOC emissions while maintaining flow properties. They are widely adopted in eco-friendly industrial formulations under environmental regulations like REACH and EPA standards.
Physical and Chemical Properties
These dispersants are typically acrylic or polyurethane-based polymers with tailored molecular weights. Their viscosity ranges from 500–5,000 cP, adapting to high-shear mixing processes. The hydrophilic-lipophilic balance (HLB) is critical, usually between 10–18 for optimal wettability. Key performance metrics include dispersion efficiency (measured by Hegman gauge) and thermal stability (up to 250°C for baking coatings). Most variants are pH-stable (5–9) and compatible with ionic and non-ionic systems.
Main Applications
In coatings, they enable high-pigment-load formulations without viscosity spikes, improving hiding power and color strength. Automotive OEM coatings utilize them for metallic flake orientation. Inkjet inks require ultra-fine dispersion (<1µm particles) to prevent nozzle clogging. Ceramic industry applications include slurry stabilization for spray drying. Emerging uses encompass lithium battery electrode slurries and 3D printing materials.
Safety and Storage
While generally low-toxicity (non-HAPs), some formulations may contain trace amines. Always consult SDS for specific hazards. Storage tanks should be nitrogen-purged to prevent oxidative degradation. Bulk shipments require stainless steel or HDPE containers. Freeze-thaw stability varies; some products crystallize below 5°C. Shelf life is typically 12–24 months when stored properly.
B2B Procurement Guide
Specify required parameters: solids content (usually 40–100%), ionic character (anionic/non-ionic), and media compatibility. Request lab-scale samples for grind tests before bulk orders. For global sourcing, verify compliance with regional regulations (e.g., EU Ecolabel, China GB standards). Tier-1 suppliers often provide application engineers for technical support. MOQs for specialty grades start at 200kg.
Related Manufacturers
- 主营：[]
- 主营：[]
- 主营：分散剂
- 主营：合成树脂、固化剂、不饱和树脂、润湿分散剂、环氧树脂、聚酯多元醇、酚醛树脂、医药中间体
- 主营：氧化铝、镍铁粉、钨铁粉、分散剂、白铅粉、氧化硼、锰铁粉、硅铁粉、二氧化锆、氧化钛粉、球形磁粉、雾化铜粉、钒铁粉末、氧化铋粉、钛铁合金、三氧化钼、氧化镁粉、三氧化二、氧化钴粉、耐火材料、二硫化钨、氧化铬绿、纳米氧化钛、纳米氧化锌、球形磁铁粉、四氧化三铁
- 主营：PVDF、PTFE、PFA、润湿分散剂、SURLYN沙林、EVA、PA6、PA66、PC、PCTG、PEBA、ASA、PTB、PPO、LCP、PCTA、PETG、POM、EAA、特种工程塑料、热塑性弹性体、合金塑料、通用塑料
- 主营：流平剂、消泡剂、附着力促进剂、涂料分散剂、防涂鸦助剂、导电剂、手感剂、增硬耐磨剂、UV打印涂层液、UV玻璃涂层、UV金属涂层、UV PET涂层、UV塑料涂层
- 主营：有机硅改性乳液、聚氨酯砂浆乳液、各种硅橡胶添加助剂、高固含分散剂、各种涂料油墨助剂、水性树脂
- 主营：[]
- 主营：含氟(碳8、碳6)防水剂、手感剂、无氟防水剂、分散剂、水性润湿分散剂、油性分散剂、水性超级分散剂、无机颜料专用分散剂、含氟硅防水防油剂、有机氟皮革防水剂
- 主营：消泡剂、润湿剂、消泡粉、分散剂、流平剂、流平助剂、润湿助剂、防流挂助剂、含氟活性剂、表面活性剂、防涂鸦手感剂、丙烯酸增稠剂、聚氨酯增稠剂、氟碳表面活性剂、有机硅消泡剂、基材润湿剂、丙烯酸流平剂、抗涂鸦助剂
- 主营：氧化铁颜料、助剂、消泡剂、迪高、流平剂、润湿剂、附着力促进剂、纺涂鸦助剂、氧化铁黄、氧化铁红、氧化铁黑、氧化铁绿、钛白粉、炭黑、碳黑、色浆、有机颜料、群青、乳液、多功能助剂
- 主营：减磨剂、防锈剂、添加剂、无灰分散剂、高分子化合物、润滑剂、抗腐剂、丙烯酸、抗氧剂、改进剂、清净剂、极压剂、色墨油墨、金属钝化剂、聚氨酯乳液、聚氨酯树脂、复合油墨树脂、润滑脂拉丝剂、润滑油破乳剂、膜强度增强剂、润滑油增稠剂、润滑脂增粘剂、导热油复合剂、硫化烷基酚钙、活塞环释放剂
- 主营：环氧树脂、助剂、丁腈橡胶、分散剂、固化剂、增韧剂、润湿剂、二氧化硅
- 主营：快干纸、处理剂、胶黏剂、分散剂、灌浆料、自动机、大理石、超疏水、聚合物、密度板、胶水纸、胶水pvc、木器漆、泡沫少、固化剂、pvc塑料、消泡剂、润滑油、网格布、不开胶、定位胶、聚氨酯、pvc薄膜、树脂感、耐酸碱、附着力
- 主营：降黏剂、处理剂、憎水剂、水性分散剂厂家、胶黏剂、乳化剂、硬挺剂、减水剂、引气剂、防腐剂、悬浮剂、保护剂、压敏胶、消泡剂、缓凝剂、混凝土、添加剂、养护剂、粘接剂、润滑剂、蛋糕盒、纤维素、凝固剂、早强剂、增稠剂、粘合剂
- 主营：纳米涂层、金属表面处理、超疏水涂层、高固含润湿剂、丙烯酸乳液、纳米镀晶涂层、聚氨酯乳液、水泥灌浆堵漏、特殊涂层/树脂、水性胶水、压敏胶、纸张油墨、纺织皮革涂层、可剥离涂层、金属涂层、消泡剂、润湿剂、偶联剂、PVC油墨、阻燃涂层、印刷油墨、建筑涂层
- 主营：手感剂、地板漆、乳胶漆、分散剂、脱泡剂、纤维素、消光剂、哑光粉、流平剂、消泡剂、消光粉、五金底材、水性染料、哑光树脂、工业涂料、油性树脂、塑料涂料、涂料助剂、水性助剂、印花树脂、油墨涂料、固化涂料、木器涂料、纳米色浆、润湿助剂