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Polyacrylamide (PAM)
Chemical Name: Polyacrylamide
Synonym: Poly(acrylamide); PAM;PHPA;EOR Polyacrylamide; Acrylamide resin; Anionic Polyacrylamide; Cationic Polyacrylamide; Nonionic Polyacrylamide; Zwitterionic polyacrylamide; Polyacrylamide,hydrolyzed
CAS NO.: 9003-05-8
Molecular formula: [CH2CHCONH2]n
Formula weight: 1,000,000-30,000,000
Polyacrylamide, addreviation PAM, is a kind of linear high molecular polymer., apt to water absorbing; the speed of absorbing water varies with different derivative ions. solid PAM has good stability and keep stable when heated to 100°C.Its aqueous solution is nearly transparent viscous liquid, non–dangerous, non-toxic, non-corrosive.
It is an important water-soluble compound with the properties of flocculation, thickening, cut-resisting, block-reducing dispersingetc. These properties vary with different derivative ions(no-ion,cation,anion and mixed cation&anion).
Table 1, Technical Parameter of Negative Ion Polyacrylamide
Model | Molecular Weight(106) | Solid Content(%) | Hydrolysis Degree(%) | Filter Factors | Viscosity |
PAM-1 | ≥9.5 | ≥88 | 23-27 | ≤1.5 | ≥31 |
PAM-2 | ≥12 | ≥88 | 23-27 | ≤1.5 | ≥40 |
PAM-3 | ≥16 | ≥88 | 23-27 | ≤1.5 | ≥45 |
PAM-4 | ≥19 | ≥88 | 23-27 | ≤1.5 | ≥50 |
Table 2, Technical Parameter of Enhanced Oil Recovery with Polyacrylamide Powder
Model | Molecular Weight(106) | Solid Content(%) | Hydrolysis Degree(%) | Filter Factors | Viscosity |
PAM-5 | ≥22 | ≥89 | 19-24 | ≤2 | ≥12.5 |
PAM-6 | ≥25 | ≥88 | 23-27 | ≤1.5 | ≥40 |
NOTE: Specs can be adjusted as per customers’ requirement.
Application:
it is widely used in Enhanced Oil Recovery(EOR) of oil exploitation, mining flotation, coal washing, metallurgy, papermaking, urban and industrial sewage treatment, pharmaceutical, environment protection, construction materials and agriculture(soil retention agent, water retention fertilizer fixing agent).
Other application such as Food industry filter dehydration, Super-absorbent agent in sanitary products, Humectants, film forming agent and thickener in cosmetics.
Packing, storage and transportation:
Packing in 25kg weaved plastic bag or triad-layer craft bag; It should be stored in cool and ventilated place and prevent from exposure and rain.It is transported as a non-dangerous product. storage life is one year(After one year, if its function is not changed, it still can be used).