Use water steatitic the gel time that can reduce system of solidify of polyamide of quality of epoxy resin small element. Inspected water steatitic the water after be being exchanged with third ammonia acid is steatitic, reach its to add the effect that measures pair of systematic gel time, discover what the affiliation with steatitic water is helpful for gel time to reduce; When polyamide of small element quality: The quality specific value of epoxy resin > 0.7 when, than not modified water is steatitic more be helpful for gel time reduce; The affiliation with the steatitic water after third ammonia acid is exchanged is measured taller, gel time is shorter.

3, modified water is steatitic the influence to systematic gel time

To clarify a system the influence of the consistence between each constituent, the water that same quality adds to had been exchanged through third ammonia acid in solidify system is steatitic have gel time determine. If the graph shows 3 times when polyamide of small element quality: The quality of epoxy resin is compared for 0.5, 0.6 when, water of gel time prep above is steatitic system; Afore-mentioned quality are compared for 0.7 when, gel time and water are steatitic the system is same; It is when ratio 0.9, 1.1 when, gel time under water steatitic system. Possible reason is join when polyamide of small element quality when the volume is minor, after because water is steatitic,acid of classics third ammonia is exchanged, increased to reduce the viscosity of solidify system thereby with the consistence of organic matter, reach what physical cross-linking nods to reduce those who brought about gel time to increase, rise as what polyamide of small element quality adds a capacity, what what the carboxyl group that third ammonia acid heads and polyamide of small element quality take is amino the opportunity that forms hydrogenous key increases, cause gel time thereby reduce held a dominant position, on the whole steatitic system photograph compares gel time and water to be reduced somewhat.

4, water is steatitic add the effect that measures pair of systematic gel time

Finally, inspect third ammonia acid to exchange water steatitic add a capacity, to the influence of time of gel of epoxy resin system, determined the third ammonia acid of 2 ％ exchanges quality mark the time of gel of epoxy resin system with steatitic water, if pursue,4 are shown. Gel time of the system joins the Ceng of the quantity to add present to reduce a current along with polyamide of small element quality, gel time under polyamide of small element quality / system of epoxy resin blank, prep above contains quality mark the third ammonia acid of 5 ％ exchanges water steatitic system. Because acid of this third ammonia exchanges water,increase those who be helpful for systematic gel time steatiticly to reduce.
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