Epoxy resin mixtures containing advancement catalysts

Details Epoxy resin mixtures containing advancement catalysts Epoxy resin mixtures containing advancement catalysts

1994-05-27

1996-05-28

Krass, Frederick

Synthetic resins or natural rubbers -- part of the class 520 ser

Synthetic resins

Mixing of two or more solid polymers; mixing of solid...

528 89, 528 91, 528 94, 528 92, C08G 5968, C08G 5904, C08G 5906

Patent

active

055212611

ABSTRACT:
Epoxy resin compositions comprising an epoxy resin which is liquid at room temperature and has on average more than one epoxy group per molecule and a quaternary perhydroazepinium salt or a quaternary octahydroazocinium salt as advancement catalyst, when advanced with compounds having two phenolic hydroxyl groups, give excellent products having low viscosity and good viscosity stability, which products can be used, for example, for surface protection, preferably as binder for coatings and paints.

REFERENCES:
patent: 4465722 (1984-08-01), Fiaux et al.
patent: 4885354 (1989-12-01), Hofer et al.
patent: 4925901 (1990-05-01), Bertram et al.
patent: 4973648 (1990-11-01), Hofer et al.
patent: 5006626 (1991-04-01), Hofer et al.
patent: 5015676 (1991-05-01), Macholdt et al.
patent: 5019639 (1991-05-01), Hofer et al.
Chemical Abstr., 72:79776.
Chemical Abstracts 110:8219, "Preparation of N-Containing Heterocyclic Tetrafluoroborates", Mori et al.
Chemical Abstracts 89:152639, "Organic Ammonium Salts", Veselouska et al.

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