Imidyl- and isoimidyl-phthalic anhydrides, process for their man

Details Imidyl- and isoimidyl-phthalic anhydrides, process for their man Imidyl- and isoimidyl-phthalic anhydrides, process for their man

1974-12-09

1976-09-07

Rollins, Alton D.

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

C-metal

260326A, 260326C, 26032636, 260343, 2603433R, 2603435, 2603437, 26032629, 106 3825, 156330, 260 2EP, C07D40504, C07D40510

Patent

active

039793931

ABSTRACT:
The invention relates to new imidyl compounds of the formula Ia and isoimidyl compounds of the formula Ib ##SPC1##
In which A denotes a divalent organic radical, especially an ethenylene, ethylene or propylene group. These compounds serve as curing agents for epoxide resins and give cured products with good mechanical and electrical properties.

REFERENCES:
patent: 3829444 (1974-08-01), Richter

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