What Is Polyacrylamide Gel?
Polyacrylamide gel refers to the polymerization of acrylamide monomers, using methacrylamide as a cross-linking agent, and catalyzed by tetramethylethylenediamine through radical initiation (photoinitiation, chemical initiation, etc.) Cross-linked polyacrylamide. It is a chemically synthesized artificial gel with a trade name of Bio-Gel P. The biogels of different specifications are indicated by numbers and symbols, such as Bio-Gel P-4, etc. The numbers represent 1/1000 of the gel exclusion limit, that is, the exclusion limit is 4000 Da. [1]
Polyacrylamide gel
- Is a synthetic gel
- Polyacrylamide
- Polyacrylamide (Polyscrylamide) is abbreviated as PAM, which is divided into cationic, anionic and non-ionic, with a molecular weight from 4-20 million, the appearance of the product is white powder, easily soluble in water, and easy to decompose when the temperature exceeds 120 . Polyacrylamide is a synthetic
- The use of polyacrylamide should follow the following principles:
- 1. Granular polyacrylamide flocculant cannot be directly added to sewage. It must be dissolved in water before use, and its aqueous solution should be used to treat sewage.
- 2. The water in which the particulate polymer is dissolved should be clean (such as tap water) and not sewage. Water at room temperature is sufficient, and generally no heating is required. Dissolution is slow when the water temperature is below 5 ° C. Increasing the water temperature will accelerate the dissolution rate, but above 40 ° C will accelerate the degradation of the polymer and affect the use effect. Generally tap water is suitable for formulating polymer solutions. Strong acid, strong alkali, high salt water is not suitable for preparation.
- 3. The selection of polymer solution concentration is recommended to be 0.1% -0.3%, that is, 0.1g-0.3g polymer powder is added in 1 liter of water.