Explore our top-tier industrial grade polyacrylamide solutions engineered for precise solid-liquid separation, rheology modification, and municipal water purification.
Established in 2011 within the Qingdao Free Trade Zone, China, Qingdao Oubo Chemical Co., Ltd. represents the pinnacle of modern polymer manufacturing and research.
With a continuous annual business growth rate of 10%, Oubo's production capacity surpassed 50,000 Metric Tons in 2018. Our strategic location in the Qingdao FTZ empowers rapid global logistics across North America, Europe, and Asia-Pacific.
We invest over €200 million annually into R&D. Oubo pioneered bio-catalytic synthesis methods for acrylamide monomer production, establishing international patent-protected processes that drastically lower environmental impact.
Certified under ISO9001:2008, our fully automated continuous production lines source raw materials from world-class chemical giants such as SINOPEC and Eni. Every single lot undergoes strict triple-stage QC testing prior to shipment.
Understanding macromolecular weight dynamics, hydrodynamic radius, charge density, and dispersion mechanisms in low molecular weight industrial polymers.
Polyacrylamide (PAM), defined chemical structure (C3H5NO)n, is a water-soluble synthetic linear polymer derived from acrylamide subunits. While high molecular weight variants (12 Million to 22 Million Daltons) excel in polymer bridging and macro-flocculation, Low Molecular Weight Polyacrylamide (LMW PAM)—typically spanning molecular weights from 0.5 Million to 4 Million Daltons—operates via distinct chemical mechanisms: electrostatic charge neutralization, micro-dispersion stabilization, and rheology modification without thermal-mechanical shear degradation.
In aqueous suspensions, fine particulates maintain stability due to electrostatic repulsion generated by negative zeta potential. High molecular weight polymers adsorb onto multiple particles simultaneously, creating long-chain bridges. Conversely, LMW PAM features higher charge density potential and smaller hydrodynamic radius. This enables rapid diffusion across boundary layers, neutralizing surface electrical charges instantaneously and triggering micro-flocculation or preventing particle agglomeration in paper coating formulas, pigment dispersions, and drilling muds.
| Parameter Category | Low MW PAM (LMW) | Medium MW PAM (MMW) | High / Ultra-High MW PAM (HMW) |
|---|---|---|---|
| Molecular Weight Range (Daltons) | 0.5 Million – 4.0 Million | 4.0 Million – 10.0 Million | 12.0 Million – 22.0+ Million |
| Primary Operating Mechanism | Charge Neutralization, Dispersion, Friction Reduction | Coagulation-Flocculation Hybrid, Filtration Aid | Interparticle Bridging, Sludge Dewatering, EOR Sweep |
| Solution Viscosity (0.1% Sol.) | Low (10 – 150 mPa.s) | Moderate (150 – 600 mPa.s) | Very High (800 – 2500+ mPa.s) |
| Shear Degradation Resistance | Extremely High (Chain resistance under high shear) | Moderate | Susceptible to irreversible mechanical scission |
| Key Applications | Papermaking Dispersants, Pitch Control, Acidic Effluents, Drilling Thinners | Industrial Water Clarification, Sugar Juice Floatation | Belt Press Sludge Dewatering, Coal Tailings, EOR Polymer Flooding |
Leveraging state-of-the-art biological synthesis, localized supply chain integration, and automated quality verification.
Oubo Chemical utilizes advanced microbiological enzymatic conversion to produce high-purity Acrylamide monomer (AM). Unlike traditional copper-catalyst methods, our bio-process eliminates copper ions and byproduct impurities, yielding polymers with ultra-pure chemical backbones and controlled molecular weight distribution.
By establishing long-term strategic raw material procurement contracts with global leaders such as SINOPEC and Eni, Oubo secures pure acrylonitrile (AN) feedstock regardless of global chemical market volatility. This upstream security guarantees consistent manufacturing pricing and batch-to-batch stability.
Our production facilities in Qingdao feature fully enclosed automated polymerization reactors, low-temperature fluidized bed dryers, and optical particle sizing systems. This ensures rapid dissolution rates (under 45 minutes) and zero cross-batch contamination for cationic, anionic, and nonionic grades.
Operating within the Qingdao Free Trade Zone provides Oubo with unmatched customs clearance speed and direct container loading options at one of Asia's largest deep-water ports. We ship routinely under FOB, CIF, DDP, and CFR terms with complete regulatory compliance documentation.
From municipal sludge management to high-shear oilfield drilling fluids, discover how our targeted PAM formulations optimize operational efficiency across major sectors.
In solid-liquid separation processes, Oubo's cationic (CPAM), anionic (APAM), and nonionic (NPAM) polyacrylamides act as primary flocculants and coagulant aids. They accelerate sedimentation, clarify supernatant water, and enhance sludge cake dryness across belt presses, centrifuges, and screw presses.
Cationic PAM neutralizes negative surface charges on biological sludge particles, promoting dense micro-floc aggregation for rapid decantation.
Effective across acidic, neutral, and alkaline wastewater generated by leather tanning, chemical synthesis, and pharmaceutical processing.
Specially modified high-charge APAM breaks emulsified oil droplets and precipitates heavy organic residues in refinery wastewater streams.
Accelerates metal hydroxide settlement in electroplating, steel manufacturing, and heavy metal neutralization tanks.
Polyacrylamide is vital in wet-end chemistry for modern high-speed paper machinery. Oubo supplies targeted formulations serving four crucial papermaking functions:
Significantly increases the retention rate of fine fibers, titanium dioxide, calcium carbonate (PCC/GCC) fillers while accelerating wire section dewatering speeds, cutting energy consumption during drying.
Low molecular weight, high-charge cationic polymers neutralize wood extractives, resin pitch, and dissolved anionic trash, maintaining system chemistry stability.
Forms inter-fiber hydrogen bonds and covalent links across cellulose hydroxyl groups, substantially boosting bursting strength, tensile strength, and ring crush index.
Ultra-low molecular weight dispersants ensure ultra-even fiber distribution in specialty tissues, packaging board, and decorative papers, enhancing sheet formation.
Oubo PAM products serve as crucial rheology modifiers in Enhanced Oil Recovery (EOR), friction reducers in hydraulic fracturing, shale inhibitors, fluid loss control agents, and drilling mud thinners capable of withstanding high temperature and high salinity (HTHS) reservoir environments.
Our complete range of anionic and nonionic flocculants facilitates solid-liquid separation in alumina (Bayer process), coal washing, gold cyanidation, copper flotation, and tailings thickener management, maximizing water recovery and reducing environmental sludge footprints.
Food-grade anionic polyacrylamide ensures rapid settling of mud and impurities during sugarcane and sugar beet juice flotation, improving sugar clarity and crystallization yields.
PAM is utilized as a chemical sizing agent to produce smooth, anti-static warp yarns. Additionally, specialized CPAM formulations decolorize and precipitate reactive dyes from dye house wastewater.
Pioneering sustainable chemistry through low-residual monomer thresholds, micro-plastic reduction, and bio-based polymer research.
Oubo Chemical is continuously refining polymerization kinetics to decrease unreacted free acrylamide monomer (AMD) levels below < 0.02% (200 ppm), fulfilling stringent drinking water sanitation regulations globally.
Our R&D division is actively testing polysaccharide and starch-grafted polyacrylamide copolymers to facilitate accelerated environmental degradation in agricultural soil conditioning and mining reclamation projects.
Implementing solar-powered energy grids, heat recovery loops, and zero-liquid-discharge (ZLD) process water recycling across our Qingdao FTZ chemical plants to minimize product carbon footprints.
Flexible, moisture-proof, and export-compliant packaging solutions tailored for global distribution networks and direct end-user site consumption.
25kg multi-wall paper-plastic laminated bags with inner PE liner, ideal for private label distributors.
Standard branded 25kg PE/PP woven bags featuring lot numbers, production dates, and hazard classifications.
750kg – 1000kg heavy-duty super sacks designed for high-volume mining and oilfield automated feeders.
Fumigated wooden or plastic pallets, shrink-wrapped with corner boards for maximum ocean freight security.
Expert technical insights regarding polyacrylamide selection, storage, preparation protocols, and logistics.
Select from our certified anionic, cationic, and nonionic polyacrylamide series for specific industrial applications.
Oubo Chemical
