Direct wholesale supply from China's leading PAM emulsion manufacturer & global export center.
Pioneering biological monomer synthesis and high-performance polyacrylamide manufacturing since 2011.
Oubo Chemical Co., Ltd was established in 2011, located strategically within the Free Trade Zone of Qingdao, China. Over the past decade, Oubo has maintained a solid business growth rate of over 10% per year, establishing itself as a world-class premier manufacturer of water-soluble synthetic polymers. The Quality Control (QC) system of our flagship brand, O'Brien, is strict, comprehensive, and fully integrated into every step of our manufacturing workflow.
Qingdao Oubo Chemical Co., Ltd. is highly committed to chemical safety, uncompromised product quality, responsive technical service, and minimizing environmental impact during polymer production and application. In 2018, Oubo’s annual production capacity of polyacrylamide broke through 50,000 Tons. Our comprehensive Quality Management System is certified under ISO 9001:2008, ensuring that every batch of Polyacrylamide (PAM) Emulsion and Powder meets stringent global technical metrics.
An in-depth whitepaper breakdown of physical forms, ionization types, and thermodynamic phase behavior.
Polyacrylamide (CAS 9003-05-8) is a synthetic water-soluble resin polymer prepared by polymerizing acrylamide monomers ($CH_2=CH-CONH_2$). In its primary form, it functions as a highly effective flocculant, coagulant, rheology modifier, and filtration aid across diverse industrial solid-liquid separation processes. Depending on its chemical structure and ionic charge, PAM is categorized into four primary types: Nonionic (NPAM), Anionic (APAM), Cationic (CPAM), and Mannich Polyacrylamide.
While traditional dry powder PAM requires extended aging and dissolving times (typically 45 to 60 minutes) and presents chemical dust hazard challenges, Polyacrylamide Emulsion (Water-in-Oil Inverse Emulsion) represents a significant technological leap forward. PAM emulsion consists of aqueous polymer droplets dispersed within a continuous hydrocarbon oil phase, stabilized by high-performance surfactants.
| Technical Characteristic | Polyacrylamide Emulsion (Inverse Liquid) | Polyacrylamide Powder (Dry Granular) |
|---|---|---|
| Dissolution Kinetic (Inversion Time) | Rapid 3 - 5 Minutes (Complete Inversion) | 45 - 60 Minutes (Requires Maturation Tanks) |
| Molecular Weight Range | Ultra-High (Up to 25 Million Da) | High (8 Million - 18 Million Da) |
| Handling & Dust Safety | Zero Airborne Dust, Liquid Automatic Metering | Dust Hazard, Risks of Slip/Fall Accidents |
| Shear Stability | Superior Polymer Chain Preservation | Susceptible to Mechanical Chain Scission |
| Active Content Concentration | 30% - 50% Active Polymer Liquid | 88% - 92% Solid Granules |
The phase-inversion process of liquid PAM emulsion occurs almost instantaneously when injected into a dynamic water stream containing hydrophilic inversion surfactants. The coiled polymer chains uncoil into the aqueous solvent within minutes, achieving full viscosity and electro-kinetic surface reactivity without forming problematic "fish-eyes" or un-dissolved gel aggregates.
Engineered polyacrylamide formulations tailored for global industrial processes and environmental compliance.
As a primary organic flocculant, PAM accelerates solid-liquid separation in sedimentation, clarification, and sludge dewatering units (belt filter presses, centrifuges, filter presses). CPAM neutralizes negative charges on municipal biological sludge, while APAM treats inorganic industrial effluent in steel, tannery, electroplating, and chemical plants.
Functions as retention aid, drainage promoter, dry/wet strength agent, and anionic trash catcher. Cationic PAM directly adsorbs onto negatively charged cellulose pulp fibers via ionic linkages, while amide groups form strong covalent hydrogen bonds to dramatically enhance burst strength, tensile properties, and filler retention (titanium dioxide, calcium carbonate).
Vital for Enhanced Oil Recovery (EOR) polymer flooding, profile modification, water-shutoff plugging agents, slickwater fracturing friction reducers, and shale-inhibiting drilling fluids. Ultra-high molecular weight APAM emulsions increase sweep efficiency in high-salinity reservoirs, maintain fluid loss control, and lubricate drill bits under extreme downhole temperature.
Extensively applied in coal washing tailings clarification, red mud thickeners in alumina refining, and solid-liquid counter-current decantation (CCD) in gold, copper, iron, nickel, and lithium extraction. NPAM and APAM create rapid settling flocs in low pH or acidic mineral slurries, enabling clear overflow recycle water.
In sugar refining, PAM speeds up juice clarification and floatation processes. In textiles, it acts as a smooth warp sizing agent and fabric finishing compound. In agriculture, PAM emulsions act as soil stabilizers, preventing erosion and enhancing water retention in arid cultivation zones.
Unmatched technical precision, global strategic raw-material integration, and full lifecycle support.
Qingdao OUBO Chemical Co., Ltd. utilizes eco-friendly biological enzymatic methods to synthesize acrylamide monomers—a technology backed by applied patents. We invest over €2 Million into technical research annually to maintain our leadership in polymer kinetics, lower residual monomer content (<0.05%), and boost energy efficiency.
Our raw material supply chain operates at a global scale. Key raw monomers and reagents are sourced from world-class petrochemical partners including SINOPEC, Eni, and top-tier global chemical suppliers. All production lines are fully automated. Every single batch undergoes 3 rigorous quality inspections by our QC laboratory prior to shipment.
With over 8 years of specialized polymer manufacturing experience, our technical engineering team actively participates throughout the pre-sales, sales, and post-sales lifecycle. We provide customized jar-testing, molecular weight matching, ionic charge optimization, and onsite dosing trial recommendations to guarantee optimal chemical efficiency for your plant.
Situated directly inside the Qingdao Free Trade Zone port hub, Oubo offers seamless export logistics. We provide diverse industrial packaging configurations engineered for long-distance maritime transport, including 25kg multi-wall paper bags, 750kg/1000kg bulk IBC bags, liquid IBC totes, 200L drums, and customized palletized packaging options.
Pioneering the next era of smart water-soluble polymers and sustainable chemical manufacturing.
As global environmental regulations tighten and industrial wastewater streams become increasingly complex, Oubo Chemical’s R&D team is driving innovation along three core chemical vectors:
Developing bio-sourced acrylamide feedstocks derived from renewable agricultural by-products. Our proprietary third-generation microbial enzymatic catalyst drastically cuts thermal energy consumption during polymerization while driving free residual monomer levels down to under 100 ppm (<0.01%).
Engineering specialized hydrophobic association PAM emulsions incorporating fluorinated or sulfonate co-monomers (such as AMPS). These specialized polymers retain high hydrodynamic volume and viscosity even in hypersaline produced oilfield water (>200,000 mg/L TDS) and extreme downhole temperatures (>120°C).
Collaborating with global water treatment equipment integrators to pair concentrated micro-emulsion PAM with automated inline static mixers and optical turbidimeters. Real-time feedback loops dynamically adjust polymer feed rates to achieve optimal turbidity removal with zero over-dosing waste.
Expert insights on polyacrylamide selection, emulsion inversion, storage stability, and global procurement.
Explore our targeted chemical formulations for oilfield, municipal sewage, paper wet-end, and food industry effluents.
Oubo Chemical