Method of reducing gel time of polyester thermoset resins and pr

Chemistry of carbon compounds – Miscellaneous organic carbon compounds – C-metal

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260862, 260867, C08L 6706

Patent

active

040887103

ABSTRACT:
The gel time of unsaturated polyester thermosetting resins containing polymerizable vinyl monomers, such a styrene, and a vinylphosphonate flame retardant, such as the bis(hydrocarbyl)vinylphosphonates, which normally retards the gel time of such resins, is reduced by the addition of an effective amount for gel time reduction of maleic anhydride.

REFERENCES:
patent: 2479486 (1949-08-01), Gerhart
patent: 3232893 (1966-02-01), Salgado
patent: 3832268 (1974-08-01), Smith

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