Hanyar musayar ion

Hanyar musanya ion don simintin siliki sol madaidaicin simintin.Gudun musanya na cation yana amfani da guduro musanya mai ƙarfi acid styrene;bishiyar musayar anion tana nufin raƙuman guduro musanya na asali na styrene anion.

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Canjin ion shine amsa ma'auni.Hanyar amsawa ita ce lokacin da maganin silicic acid mai dauke da Na + ya wuce ta cikin yatsan itacen musayar, Ma + ya maye gurbin H + akan resin musayar cation.Saboda haka, an cire NAa + a cikin gilashin ruwa, kuma H + cations, silicon ions da SiO3 a cikin sodium silicate suna samar da maganin diluti mai aiki na silica sol kuma ya fita.

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Halin musayar ion na silica sol yana da alaƙa da waɗannan abubuwan: digiri na farfadowa na resin, kaddarorin ma'auni, tsayin guduro, zurfin ruwa, girman ion, da dai sauransu. ginshiƙin musayar resin anion na asali don cire anion CL- a cikin ruwa don cimma yanayin kwanciyar hankali.Danko mai zurfin siliki mai zurfi da ke gudana daga ginshiƙi na musayar yana da ƙarancin maida hankali sosai kuma yana buƙatar maida hankali.Don hana gelation a lokacin maida hankali, dole ne a ƙara stabilizer da sauri kafin maida hankali.Mai daidaitawa sau da yawa MOH (M shine L, Na, K, Rb, Cs, NH4.NH2, da sauransu).Yawan stabilizer ya kamata ya dace.Idan kasa da 1% na moles na SiO2, yana da wahala a taka rawar daidaitawa;idan ya wuce 5% Zai rage tsaftar samfurin.Ɗauki 5kg na silica sol na sama kuma daidaita ƙimar PH zuwa 78 tare da maganin 10% NAOH.Ɗauki 900 g na ruwa mai daidaitawa kuma cika shi a cikin mai rage matsa lamba don aiwatar da maida hankali a ƙarƙashin rage matsa lamba.Kuma akan ka'idar kiyaye matakin ruwa a cikin kwantena akai-akai, sannu a hankali ƙara sauran 4100g na ruwa daidaitacce.An kiyaye yawan zafin jiki a 78 ° C, da 900 g na silica sol dauke da SiO220% da Na200.33% PH na 9.6 an shirya, kuma matsakaicin matsakaicin adadin ya kasance kusan 16 mum.

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Resin musayar ion ya rasa ƙarfin musaya bayan musayar ion.Bukatar wankewa tare da tsarma hydrochloric acid kuma maye gurbin Na + akan guduro tare da H9 + a cikin HCL.Ƙungiyoyin masu aiki na resin musayar ion suna oxidized don sake farfado da resin da kuma mayar da karfin musayar.Bayan sabuntawa, itacen musayar ion yana nufin cewa dole ne a wanke shi da ruwa mai tsabta zuwa ƙayyadadden ƙimar PH don amfani na gaba.

Ayyukan fasaha na silica sol: SiO2 abun ciki 20% 30% (H2SiO3 abun ciki> 26%) danshi 70% 80% takamaiman nauyi 1.141.21 Na2O abun ciki 0.4% 0.5% danko (shafi 4) 10.9S za a iya adana tsawon shekara guda.

 


Lokacin aikawa: Afrilu-20-2020
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