Polydimethyldiallylammonium chloride (PDADMAC) is a cationic polymer flocculant, which is safe, non-toxic, soluble in water, nonflammable, cohesive, stable in hydrolysis, non-gelling, insensitive to pH changes, and chlorine-resistant, and is widely used in water treatment, paper making, petroleum and other industries.
Application Field:
- Wastewater treatment: used as a cationic coagulant for wastewater treatment and sludge dewatering.
- Mining and mineral processing: used as clay stabilizers and coagulants.
- Textile industry: used as a formaldehyde free fixing agent.
- Paper making process: as an anionic waste catcher and AKD ripening promoter.
- Oilfield industry: used as clay stabilizer for drilling and cationic modifier for acid fracturing in water injection.
- Other applications: modulators, anti-static agents, humidifiers, shampoos, and moisturizers for skincare.
Specific Application Examples:
- During the sludge dewatering process, PDADMAC can be combined with other conditioning agents such as cationic PAM, iron salts+lime, etc., significantly improving the dewatering performance of sludge.
- In the textile industry, PDADMAC, as an aldehyde free fixing agent, can effectively fix dyes and improve dyeing effects.
- During the papermaking process, PDADMAC serves as an anionic waste catcher and AKD ripening promoter, which helps to improve the quality and production efficiency of paper.
- In the oilfield industry, PDADMAC is used as a clay stabilizer for drilling and a cationic modifier for acid fracturing in water injection to ensure the smooth operation of oilfield operations.
To sum up, PDADMAC plays an important role in multiple industrial fields due to its unique physical and chemical properties and wide range of applications.
