Study on Curing Mechanism of Thermosetting Resin by Dynamic Viscoelastic Measurement (II):The effect of a low molecular weight additive in acrylic-melamine resin on curing behaviour

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The effect of a low molecular weight additive in acrylic-melamine resin on its curing behaviour was studied by Dynamic Spring Analysis. Dioctyl Phthalate (DOP) was selected as an additive and its content in acrylic-melamine resin was varied.<BR>The following results were obtained.<BR>1) The curing behaviour of resin varied as a function of DOP content. The maximum curing velocity was obtained at most suitable DOP content.<BR>2) DOP was considered not to effect the curing mechanism but to decrease the viscosity of resin. This indicates that the probability of collision of functional-groups increased and the curing velocity was promoted by the addition of DOP.
Japan Society of Colour Materialの論文