Na ketsahalo ea efflorescence ka seretseng e amana le hydroxypropyl methylcellulose?

Ketsahalo ea efflorescence ke: konkreite e tloaelehileng ke silicate, 'me ha e kopana le moea kapa mongobo leboteng, silicate ion e kenella karabelo ea hydrolysis,' me hydroxide e hlahisoang e kopana le li-ion tsa tšepe ho etsa hydroxide e nang le solubility e tlase (thepa ea lik'hemik'hale ke Alkaline), ha mocheso o phahama, mouoane oa metsi oa fetoha mouoane, 'me hydroxide e theoha leboteng. Ha metsi a fetoha mouoane butle-butle, hydroxide e theoha holim'a samente ea konkreite. Ha nako e ntse e ea, pente ea pele e khabisitsoeng Kapa pente le lintho tse ling li phahamisoa 'me ha li sa khomarela lebota,' me ho tla ba le bosoeu, ho phunya le ho senya. Ts'ebetso ena e bitsoa "pan-alkali". Kahoo, ha se ubiquinol e bakoang ke hydroxypropyl methylcellulose.

Moreki o ile a re ntho e makatsang: grout e fafalitsoeng eo a e entseng e tla ba le pan-alkali leboteng la konkreite, empa e ke ke ea hlaha leboteng la litene tse chesitsoeng, e leng se bontšang hore acid e silicic ka samente e sebelisoang leboteng la konkreite Letsoai le lengata haholo (ka matla). letsoai la alkaline). Efflorescence e bakoang ke mouoane oa metsi a sebelisoang ho fafatsa grouting. Leha ho le joalo, ha ho na silicate leboteng la litene tse chesitsoeng 'me ha ho na efflorescence e tla etsahala. Ka hona, ketsahalo ea efflorescence ha e amane le ho fafatsa.

Tharollo

1. Likahare tsa silicate tsa samente ea motheo ea konkreite li fokotsehile.

2. Sebelisa anti-alkali back coating agent, tharollo e kenella ka har'a lejoe ho thibela capillary, e le hore metsi, Ca (OH) 2, letsoai le lintho tse ling li se ke tsa kenella, 'me li khaola tsela ea pan-alkaline phenomenon.

3. Ho thibela ho kenella ha metsi, u se ke ua fafatsa metsi a mangata pele u haha.

Kalafo ea "pan-alkaline phenomenon".

Setsi sa ho hloekisa lejoe la efflorescence 'marakeng se ka sebelisoa. Mokelikeli ona oa ho hloekisa ke mokelikeli o khanyang o se nang 'mala o entsoeng ka li-surfactants le li-solvents tse seng tsa ionic. E na le phello e itseng ho hloekisoeng ha libaka tse ling tsa majoe a tlhaho. Empa pele o e sebelisa, etsa bonnete ba hore o etsa sampole e nyane ea tlhahlobo ho leka phello le ho etsa qeto ea ho e sebelisa.