Polysuccinimide

Polysuccinimide
Names
IUPAC name
Poly(2,5-dioxopyrrolidine-1,3-diyl)
Identifiers
3D model (JSmol)
  • *C1CC(=O)N(C1=O)*
Properties
(C4H3NO2)n
Molar mass 97.07 g·mole−1
Appearance solid
* insoluble in water
  • soluble in Dimethylformamid, Dimethylacetamid, Dimethylsulfoxid, N-Methylpyrrolidone, und Mesitylen+Sulfolan
  • 30 to 35 at 20 °C in g·100 ml−1 in Triethylenglycol
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).
Infobox references

Polysuccinimide (PSI), also known as polyanhydroaspartic acid or polyaspartimide, is formed during the thermal polycondensation of aspartic acid and is the simplest polyimide. Polysuccinimide is insoluble in water, but soluble in some aprotic dipolar solvents. Its reactive nature makes polysuccinimide a versatile starting material for functional polymers made from renewable resources.

The name is derived from the salt of succinic acid, the structurally related succinate.

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