Latent catalysts for epoxy resins

Details Latent catalysts for epoxy resins Latent catalysts for epoxy resins

1974-06-07

1976-05-11

Czaja, Donald E.

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

260 2N, 260 2EA, 260 2EC, 260 47EA, 260 47EN, 260 59EP, 260 793R, 526 90, C08G 5942, C08G 5944, C08G 5968

Patent

active

039562417

ABSTRACT:
Mobile mixtures of an oxirane compound and a labile hydrogen compound such as an acid, anhydride, imide or sulfonimide can be stored at long periods of time under ambient conditions in the presence of a latent chromium III chelate. At an elevated temperature, the catalyst is activated and rapidly converts the mixture into a more advanced state of cure.

REFERENCES:
patent: 3624032 (1971-11-01), Miyashiro et al.
patent: 3635869 (1972-01-01), Steele et al.
patent: 3812214 (1974-05-01), Markovitz
patent: 3819746 (1974-06-01), Katzakian et al.
patent: 3838101 (1974-09-01), Steele

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