Latent, curable, catalyzed mixtures of epoxy-containing and phen

Details Latent, curable, catalyzed mixtures of epoxy-containing and phen Latent, curable, catalyzed mixtures of epoxy-containing and phen

1988-11-18

1990-05-15

Nielsen, Earl

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

Synthetic resins

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

525485, 525486, 525504, 525505, 525506, 525507, 525523, 528 88, 528 89, 528 90, 528 91, 528 92, 528 93, 528 94, C08G 5968

Patent

active

049259016

ABSTRACT:
Storage stable compositions are disclosed which comprise an epoxide containing compound, a phenolic hydroxyl containing compound, and a catalyst compound for catalyzing the reaction between epoxide groups and aromatic hydroxyl groups which catalyst comprises the product resulting from contacting an onium salt, amine, or amine salt with an acid or a salt of an acid having a weak nucleophilic anion.

REFERENCES:
patent: 3048552 (1962-08-01), Fang
patent: 3947395 (1976-03-01), Ogata et al.
patent: 4069055 (1978-01-01), Crivello
patent: 4358578 (1982-11-01), Brownscombe
patent: 4503211 (1985-03-01), Robins
patent: 4594291 (1986-06-01), Bertram et al.
patent: 4725652 (1988-02-01), Bertram et al.
patent: 4766196 (1988-08-01), Goel et al.
patent: 4775734 (1988-10-01), Goel
"On the Thermal Behaviour of Some Alkylammonium Tetrafluoroborates", Zabinska, Ferloni and Sanesi, Journ. Calorim., Anal. Therm. Thermodyn. Chim., vol. 17, pp. 250-253 (1986).
"Proposed Mechanism for the Curing of Epoxy Resins with Amine-Lewis Acid Complexes or Salts", J. J. Harris et al, J. Ap. Pol. Sc., vol. 10, pp. 523-534 (1966).

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