RU2013135144A - METHOD FOR PRODUCING SUPERPLASTICIZER FOR CONCRETE AND SUPERPLASTICIZER OBTAINED BY THE SPECIFIED METHOD - Google Patents
METHOD FOR PRODUCING SUPERPLASTICIZER FOR CONCRETE AND SUPERPLASTICIZER OBTAINED BY THE SPECIFIED METHOD Download PDFInfo
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- RU2013135144A RU2013135144A RU2013135144/04A RU2013135144A RU2013135144A RU 2013135144 A RU2013135144 A RU 2013135144A RU 2013135144/04 A RU2013135144/04 A RU 2013135144/04A RU 2013135144 A RU2013135144 A RU 2013135144A RU 2013135144 A RU2013135144 A RU 2013135144A
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- superplasticizer
- copolycondensation
- concrete
- formaldehyde
- water
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- Phenolic Resins Or Amino Resins (AREA)
Abstract
1. Способ получения суперпластификатора для бетона, включающий статическую сополиконденсацию сульфаниловой кислоты с формальдегидом путем перемешивания компонентов при нагревании в расчетный период времени с последующей щелочной нейтрализацией конечного продукта, отличающийся тем, что статическую сополиконденсацию сульфаниловой кислоты с формальдегидом ведут совместно с фенолом при следующем соотношении компонентов, мас.%:при этом процесс сополиконденсации осуществляют при температуре смеси 65-75°C, расчетный период времени составляет 360-480 мин, а нейтрализацию продукта сополиконденсации проводят 10-20%-ным раствором NaOH и охлаждают до температуры 20-30°C.2. Суперпластификатор для бетона, включающий в себя водорастворимый полимер в количестве мас.%: 20-35 и остальное - воду до 100%, полученный указанным способом при следующем соотношении компонетов, мас.%:1. A method of producing a superplasticizer for concrete, comprising the static copolycondensation of sulfanilic acid with formaldehyde by mixing the components during heating for a calculated period of time, followed by alkaline neutralization of the final product, characterized in that the static copolycondensation of sulfanilic acid with formaldehyde is carried out together with phenol in the following ratio of components, wt.%: in this case, the copolycondensation process is carried out at a temperature of the mixture 65-75 ° C, the estimated period of time the composition 360-480 yaet minutes and neutralization of the product of copolycondensation is conducted 10-20% aqueous NaOH solution and cooled to 20-30 ° C.2 temperature. Superplasticizer for concrete, including a water-soluble polymer in the amount of wt.%: 20-35 and the rest is water up to 100%, obtained by this method in the following ratio of components, wt.%:
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RU2013135144/04A RU2013135144A (en) | 2013-07-26 | 2013-07-26 | METHOD FOR PRODUCING SUPERPLASTICIZER FOR CONCRETE AND SUPERPLASTICIZER OBTAINED BY THE SPECIFIED METHOD |
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RU2013135144/04A RU2013135144A (en) | 2013-07-26 | 2013-07-26 | METHOD FOR PRODUCING SUPERPLASTICIZER FOR CONCRETE AND SUPERPLASTICIZER OBTAINED BY THE SPECIFIED METHOD |
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RU2013135144A true RU2013135144A (en) | 2015-02-10 |
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RU2013135144/04A RU2013135144A (en) | 2013-07-26 | 2013-07-26 | METHOD FOR PRODUCING SUPERPLASTICIZER FOR CONCRETE AND SUPERPLASTICIZER OBTAINED BY THE SPECIFIED METHOD |
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