4, conclusion

To polyamide of small element quality / system of epoxy resin solidify, the affiliation with steatitic water is helpful for gel time reduce; The water after be being exchanged through third ammonia acid is steatitic, compare in the quality of polyamide of small element quality and epoxy resin be more than 0.7 when, its are right of systematic gel time reduce the photograph is steatitic to water more effective; The content with the steatitic water after third ammonia acid is exchanged increases, those who be helpful for time of solidify system gel reduce.