Low viscosity polyanionic cellulose
|
Project |
Technical indexes ofdrilling mud |
||
|
PAC-LV |
PAC-R |
PAV-HV |
|
|
API fluid loss reduction |
<16 |
<22 |
<23 |
|
water content |
<10 |
<10 |
<10 |
|
viscosity |
<20 |
≥45 |
≥50 |
Low viscosity polyanionic cellulose is derived from natural cellulose and is the main structural component of plants. Cellulose is a long-chain polymer made up of glucose units. When cellulose is treated with alkali, it undergoes a process called mercerization, which produces sodium cellulose glycolate. This intermediate is then treated with monochloroacetic acid (MCA), which is used to introduce carboxymethyl groups into cellulose compounds to produce low-viscosity polyanionic cellulose.
The manufacturing of LV-PAC involves several steps, including chemical modification, neutralization, and drying. The final product is a white powder or granule that is highly soluble in water, making it ideal for a wide range of applications.
Low viscosity polyanionic cellulose has unique properties that make it an ideal additive for a variety of industries. It is used as a thickener and fluid loss control agent in drilling fluids in the oil and gas industry, and as a stabilizer and thickener in processed foods in the food industry. In the pharmaceutical industry, LV-PAC is used as a coating material for controlled drug release, as a thickener in topical creams, and as a binder in tablet formulations.
In recent years, LV-PAC has gained popularity as a sustainable alternative to other synthetic polymers. Its biodegradable and renewable nature makes it an eco-friendly option that can be used in a variety of industries. In addition, due to its low toxicity and biocompatibility, it has attracted great attention in the field of biomedical research.




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