Polycarboxylate Superplasticizer PCEAn hada da macromolecular mahadi tare da sulfonic acid kungiyoyin, carboxyl kungiyoyin, amino kungiyoyin, da kuma polyoxyethylene gefe sarƙoƙi, da dai sauransu, a cikin ruwa bayani, ta hanyar ka'idar free radical copolymerization kira na polymers tare da tsefe tsarin Surfactant.
Babban albarkatun kasa da ake buƙata don haɗuwa daGina sinadari Mai Rage Ruwa Polycarboxylate Superplasticiersu ne: methacrylic acid, acrylic acid, ethyl acrylate, hydroxyethyl acrylate, sodium allyl sulfonate, methyl methacrylate, 2-acrylamido- 2-methacrylic acid, methoxy polyoxyethylene methacrylate, ethoxy polyethylene glycol acrylate, canyl amfani da duk ether. A cikin tsari na polymerization sune: persulfate-based initiators, Benzoyl peroxide, azobisisobutyl cyanide; ma'aikatan canja wurin sarkar: 3-mercaptopropionic acid, mercaptoacetic acid, da dai sauransu.
A polycarboxylic acid rage ruwa wakili Hanyar hadawa ita ce: a cikin flask ɗin zagaye na ƙasa sanye take da na'urar motsa jiki, ma'aunin zafi da sanyio, na'urar faɗuwa, da na'urar reflux, maganin polymerization monomer da maganin ƙaddamarwa ana ƙara sannu a hankali ta hanyar dumama cikin wanka na ruwa. Lokacin zabar monomer polymerization, Jami'ar tare da ƙimar gasar ya kamata a yi la'akari sosai. Za'a iya ƙayyade zafin amsawa bisa ga takamaiman nau'in monomer. Gabaɗaya, zafin jiki a cikin kewayon zafin jiki na 70 ~ 95 ℃ za a iya zaɓar shi azaman zafin jiki.
Zuba maganin monomer a cikin sa'a daya, sannan a sauke shi a cikin minti 20, ƙara sauran bayani na initiator, kuma a ƙarshe ƙara yawan zafin jiki da 5 ° C, ci gaba da amsa don 1h, kuma bayan an rage zafin jiki zuwa 40 ° C, neutralize fitarwa.
Lokacin aikawa: Oktoba 18-2021