Focus on Cellulose ethers

Tšusumetso ea moea ea cellulose ether linthong tse ncha tse thehiloeng ho samente

Li-cellulose ethers ke li-additives tse atisang ho sebelisoa linthong tse entsoeng ka samente ho ntlafatsa thepa ea bona ea mochine le ea 'mele. E 'ngoe ea melemo ea bohlokoa ea tlatsetso ena ke phello ea eona ea ho kenya moea, e leng se etsang hore thepa e entsoeng ka samente e se ke ea senya serame le litšusumetso tse ling tsa tikoloho. Sengoliloeng sena se tla tšohla phello ea ho kenya moea ea li-cellulose ethers linthong tse ncha tse thehiloeng ho samente le ho totobatsa phello ea tsona e ntle mererong ea kaho.

Li-cellulose ethers ke li-polymers tse qhibilihang ka metsing tse tsoang ho selulose. E sebelisoa haholo indastering ea kaho e le motenya, dispersant le stabilizer bakeng sa lisebelisoa tse fapaneng tse thehiloeng ho samente joalo ka seretse, grout le konkreite. Lilemong tsa morao tjena, phello ea ho kenya moea ea cellulose ethers e se e tumme ka ho fetisisa ka lebaka la bokhoni ba eona ba ho matlafatsa nako e telele le ho sebetsa ha thepa e ncha ea samente.

Aeration ke mokhoa oa ho kopanya libubble tse nyane ka har'a sekontiri sa samente kapa seretse nakong ea ho kopanya. Sepheo se seholo sa ho kenngoa ha moea ke ho eketsa ho tšoarella ha thepa e thehiloeng ho samente. Ha metsi a konkreite kapa grout a hoama, a ka hola, a etsa hore thepa e phatlohe kapa e phasolohe. Li-bubble tsa moea tse kentsoeng li sebetsa e le valve ea ho fokotsa khatello, ho fana ka sebaka sa hore metsi a atolohe, ho thibela thepa hore e se ke ea phunyeha kapa ea ebola.

Li-cellulose ethers ke li-air-entraining agents tse sebetsang hantle ka thepa e thehiloeng ho samente ka mabaka a 'maloa. Lebaka la pele ke bokhoni ba eona ba ho hlahisa foam e tsitsitseng. Ha li kopantsoe le metsi, li-cellulose ethers li etsa li-foam tse tsitsitseng tse kenngoa habonolo ho grout. Foam ha e na monyetla oa ho senya nakong ea ho kopanya 'me e fana ka matrix a tsitsitseng a li-bubble tsa moea. Lebaka la bobeli ke bokhoni ba eona ba ho eketsa matla a ho boloka metsi a grout. Sena le sona se fana ka metsi a mangata ho ts'oaroa ka har'a li-pores, ka hona ho eketsa kakaretso ea pore ea thepa.

Phello ea moea ea li-cellulose ethers thepa e ncha e thehiloeng ho samente e na le melemo e mengata bakeng sa merero ea kaho. Taba ea pele, e ntlafatsa ts'ebetso ea lisebelisoa tse ncha tse thehiloeng ho samente. Li-bubble tsa moea li sebetsa e le setlolo, ho fokotsa khohlano pakeng tsa likaroloana, ho lumella motsoako hore o phalle habonolo le ho felisa tlhokahalo ea metsi a feteletseng, e leng se ka senyang thepa ea sehlahisoa sa ho qetela.

E ntlafatsa ho tšoarella ha thepa e thehiloeng ho samente. Li-bubble tsa moea tse kentsoeng li fana ka marang-rang a ka hare a li-voids tse amohelang ho atolosoa ha leqhoa nakong ea leholimo le leqhoa, ho thibela thepa hore e se ke ea phunyeha kapa ea senya. Ho feta moo, phello ea ho kenya moea ea cellulose ether e etsa hore thepa e se ke ea hatsela le ho qhibiliha, e lelefatsa bophelo ba eona ba bohlokoa le ho fokotsa litšenyehelo tsa tlhokomelo.

E ntlafatsa momahano le ho khomarela lisebelisoa tse thehiloeng ho samente. Li-bubble tsa moea tse koetlisitsoeng li eketsa bokaholimo ba thepa, li e lumella ho hokahana ka matla le lisebelisoa tse haufi le ho ntlafatsa sebopeho sa sebopeho se phethahetseng.

Li-cellulose ethers ke li-additives tsa bohlokoa linthong tse ncha tse thehiloeng ho samente ka lebaka la phello ea tsona ea ho kenya moea. Li-bubble tsa moea tse kentsoeng li matlafatsa ts'ebetso le ho tšoarella ha thepa, li fokotsa kotsi ea ho phatloha le ho phatloha, le ho ntlafatsa momahano le ho khomarela thepa. Ho sa tsotellehe hore na ho haha ​​litsela, marokho, mehaho kapa merero e meng ea mekhoa ea motheo, li-cellulose ethers li fetohile karolo ea bohlokoa ea ho fana ka mehaho ea boleng bo phahameng, e tšoarellang nako e telele. Ka hona, hoa hlokahala ho hlokomela phello e ntle ea tlatsetso ena indastering ea kaho le ho tsoela pele ho hlahloba ts'ebeliso ea eona e ka bang teng.


Nako ea poso: Sep-01-2023
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