Polyethylenimine
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Not to be confused with Polyetherimide (also known as PEI).
Polyethylenimine (PEI) or polyaziridine is a polymer with repeating units composed of the amine group and two carbon aliphatic CH2CH2 spacers. Linear polyethyleneimines contain all secondary amines, in contrast to branched PEIs which contain primary, secondary and tertiary amino groups. Totally branched, dendrimeric forms were also reported.[1] PEI is produced on an industrial scale and finds many applications usually derived from its polycationic character.[2]
Quick Facts Names, Identifiers ...
Names | |
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IUPAC name
Poly(iminoethylene) | |
Other names
Polyaziridine, Poly[imino(1,2-ethanediyl)] | |
Identifiers | |
ChemSpider |
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ECHA InfoCard | 100.123.818 |
CompTox Dashboard (EPA) |
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Properties | |
(C2H5N)n, linear form | |
Molar mass | 43.04 (repeat unit), mass of polymer variable |
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).
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