Zibo Dingqi Chemicals Co., Ltd. is one of the most experienced manufacturers and suppliers of nonionic polyacrylamide in China. Welcome to wholesale high quality nonionic polyacrylamide made in China here from our factory. For price consultation, contact us.
Production Process of Nonionic Polyacrylamide
The production process of nonionic polyacrylamide (NPAM) mainly includes the following steps:
Raw Material Preparation:
- Acrylamide Monomer: The primary raw material.
- Deionized Water: Used as a solvent.
- Initiator: Such as ammonium persulfate, used to initiate the polymerization reaction.
Solution Preparation:
- Dissolve the acrylamide monomer in deionized water to form a solution of a certain concentration.
Polymerization Reaction:
- Add the initiator to the reactor, control the temperature (usually 30-50°C) and pH (6-8), and carry out the free radical polymerization reaction to produce polyacrylamide.
Post-Processing:
- After the reaction is completed, obtain the solid product through drying (such as spray drying) or directly obtain the colloidal product.
Packaging and Storage:
- The product is packaged and stored in a cool, dry place, avoiding direct sunlight.
Properties of Nonionic Polyacrylamide
- Solubility: Easily soluble in water, forming a transparent viscous solution.
- Stability: Good stability in acidic, alkaline, and saline solutions.
- Viscosity: High viscosity, with a significant increase in viscosity as concentration increases.
- Molecular Weight: High molecular weight, typically ranging from millions to tens of millions.
Applications of Nonionic Polyacrylamide
Water Treatment:
- Flocculant: Used in wastewater treatment to remove suspended solids and organic matter.
- Sludge Dewatering: Improves the efficiency of sludge dewatering.
Petroleum Extraction:
- Thickener: Used in drilling fluids to increase viscosity.
- Enhanced Oil Recovery: Improves crude oil recovery rates.
Paper Industry:
- Retention and Filtration Aid: Enhances paper strength and drainage performance.
- Reinforcing Agent: Increases the wet and dry strength of paper.
Textile Industry:
- Sizing Agent: Improves yarn strength and abrasion resistance.
- Finishing Agent: Enhances fabric hand feel and appearance.
Other Fields:
- Cosmetics: Used as a thickener and stabilizer.
- Agriculture: Used as a soil conditioner to improve water retention and fertilizer efficiency.
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