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Polyacrylamide (PAM)
Polyacrylamide (PAM)
Polyacrylamide or poly(1-carbamoylethylene)) is a polymer (-CH2CHCONH2-) formed from acrylamide subunits that can also be readily cross-linked. Acrylamide needs to be handled using best laboratory practice (such as wearing appropriate gloves, lab coat etc. and having safe systems of work) to avoid poisonous exposure since it is a neurotoxin. Polyacrylamide is not toxic, but unpolymerized acrylamide can be present in the polymerized acrylamide. Therefore it is recommended to handle it with caution. In the cross-linked form, it is highly water-absorbent, forming a soft gel used in such applications as polyacrylamide gel electrophoresis and in manufacturing soft contact lenses. In the straight-chain form, it is also used as a thickener and suspending agent. More recently, it has been used as a subdermal filler for aesthetic facial surgery (see Aquamid).
Product Description
Product performance:
1. Mainly used for sludge dewatering, mineral processing, coal washing and various solid-liquid separation.
2. For a variety of industrial wastewater and sewage treatment.
3. The paper is fine chemicals and oilfield chemicals.
Molecular Formula: (C3H5NO)n
|
Non-ion
|
Cation
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Anion
|
|
|
Appearance
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White powdery particle
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White powdery particle
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White powdery particle
|
|
Solid content≥%
|
90
|
90
|
90
|
|
Molecular weight
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800-1000
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1800-2300
|
1200
|
|
Free monomer ≤%
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0.5
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0.5
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0.5-0.15
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|
Time for water-soluble(h)
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2
|
2
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2
|
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Hydrolysis rate%
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≤5
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20-30
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20-30
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