Lalacewar superplasticizer

(Lalacewar superplasticizer)

Polycarboxylate superplasticizer shine ƙarni na uku na babban aikin superplasticizer bayan na kowa superplasticizer da superplasticizer. Idan aka kwatanta da sauran nau'ikan superplasticizer, yana da fa'idodi na ƙirar ƙira mai ƙarfi na ƙwayoyin cuta, ƙimar rage yawan ruwa mai ƙarfi, riƙewar ƙasa mai kyau, ƙarancin abun ciki na chloride da abubuwan alkaline, kuma babu gurɓatawar samarwa da amfani. A cikin aikace-aikacen aikace-aikacen, polycarboxylate superplasticizer sau da yawa ana haɗa shi tare da ƙaramin adadin abubuwan ɓarna, abubuwan da ke ragewa, abubuwan shigar da iska, abubuwan da aka gyara danko, da sauransu, don saduwa da buƙatun aikin fasaha daban-daban na kankare.

Haɗuwa da sodium gluconate ko sucrose a matsayin ɓangaren retarding da polycarboxylate superplasticizer na iya haɓaka ƙimar rage ruwa da rage raguwar asarar siminti zuwa wani ɗan lokaci, da haɓaka haɓakar superplasticizer da siminti. Amma a lokaci guda, samfuran polycarboxylate superplasticizer sau da yawa sun lalace da sauri saboda ƙari na sodium gluconate, aikin haske yana raguwa, nauyi ba shi da amfani gabaɗaya, yana kawo abubuwan da ba su da tabbas ga amfani da injiniya ko kai tsaye zuwa haɗarin injiniya, wannan matsalar za ta fi tsanani. a cikin yanayin zafi mai zafi.

Abubuwan al'ajabi da abubuwan da ke haifar da lalacewar polycarboxylate superplasticizer:

A matakin farko na lalacewa na polycarboxylate superplasticizer, an sami haske mai launin shuɗi ko auduga masu kama da auduga a saman ruwa, sannan suka zama masu yawo da yawa, kuma igiyoyin kumfa suna fitowa lokaci zuwa lokaci.

Lokacin da tabarbarewar ta yi tsanani, plaque zai rufe dukkan ruwan ruwa, yana nuna kauri mai kauri, launin ruwan kasa da baƙar fata da aka dakatar a cikin maganin, tare da samuwar iskar gas mai tsami. Wannan tabarbarewar tana faruwa ne ta hanyar mildew.

Shima mildew na polycarboxylate superplasticizer shima yana da alaƙa da yanayin ajiyarsa. Yanayin ajiyar da bai dace ba, kamar tsananin zafin jiki ya tashi a cikin wurin ajiya, ba mai iska da ɗanshi ba, yana haifar da narkar da manyan monomers, kuma yanayin zafin gida na monomer ya yi yawa. Mafi girman zafin jiki zai tsananta motsi na sarƙoƙi na macromolecular. Da zarar an wuce ƙarfin rarrabuwar kawuna na haɗin sinadarai, rugujewar sarkar, karaya mara kyau da ruɓewar zafi zai faru, wanda zai haifar da lalacewa da sauri na polymers. Hakazalika, mafi girman zafin jiki, mafi girman ayyukan ƙananan ƙwayoyin cuta, da sauri da saurin mildew na superplasticizer.

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(Lalacewar superplasticizer)