Photochemically or thermally polymerizable mixtures

Details Photochemically or thermally polymerizable mixtures Photochemically or thermally polymerizable mixtures

1981-02-20

1982-09-28

Marquis, Melvyn I.

Chemistry: electrical and wave energy

Processes and products

Processes of treating materials by wave energy

20415911, 20415921, 20415924, C08F 246

Patent

active

043517080

ABSTRACT:
Cationically polymerizable compounds can be polymerized photochemically and thermally when a combination of (a) an aromatic iodonium salt, (b) a photoinitiator from the series comprising the aromatic carbonyl compounds and (c) an agent which forms free radicals on heating is used as the catalyst. Polymerization is preferably effected in two stages, first photochemically and then thermally, or vice versa. Preferred substrates are epoxide compounds.

REFERENCES:
patent: 2722512 (1955-11-01), Crandall
patent: 3715293 (1973-02-01), Sandner et al.
patent: 3729313 (1973-04-01), Smith
patent: 3759807 (1973-09-01), Osborn et al.
patent: 3966573 (1976-06-01), Bean
patent: 4024296 (1977-05-01), Gruber
F.A.M. Abdul-Rasoul et al., Polymer J., 19, 1219 (1978).
F. M. Beringer et al., J. Am. Chem. Soc., 75, 2705 (1953).
F. M. Beringer et al., J. Am. Chem. Soc., 81, 342 (1959).
Chem. Reviews, 68, 137 (1968).

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