Sethala sa phofo se omileng ke seretse se ommeng se tsoang seretse se kopaneng kapa seretse se omileng. Ke mofuta oa samente le gypsum e le thepa e ka sehloohong ea motheo. Ho latela litlhoko tse fapaneng tsa mosebetsi, likamore tsa moaho o omileng le li-additivetive li eketsoa ka tekanyo e itseng. Ke boitsebiso ba ho aha bo sa tsoakoang le ho aha borōoeng bo ka tsamaisoang teng ka har'a mekotla kapa ka bongata, mme bo ka sebelisoa ka kotloloho kamora ho eketsa metsi.
Lihlahisoa tse tloaelehileng tsa seripi li na le khomphutha ea phofo ea phofo, lebone le phofo la phofo, lebone le omileng la phofo, lerako la phofo le omileng la phofo, jj.
Sethala sa phofo se omileng ka kakaretso se na le bonyane likarolo tse tharo: Binder, aggregate le li-addves tsa hae.
Expation e halikiloeng ea seretse se omileng:
1. Lintho tse ling tsa ho bapa
(1) Kholiso e khabisitsoeng ea inborganic:
Meetso e sa tloaelehang ho kenyelletsa samente e tloaelehileng ea portland, sand alumina, sandina, gypsum, ants.
(2) Khalefo ea manyolo:
Khokahano ea manyolo e bua haholo ka phofo ea morao-rao ea morao, eo e leng polymer e phofshoeng ka ho omisa (le khetho ea li-ammositi tse nepahetseng. Polymer Polymer phofo le metsi fetoha emulsion. E ka boela ea fokotsoa hape, e le hore likaroloana tsa polyt li etsa sebopeho sa 'mele sa polyer, se tšoanang le sere sa polymer,' me se bapala karolo ea seretse sa polokelo ea samente.
Ho latela karolo e fapaneng, ho fetoloa ha seretse se ommeng le phofo ea polyer e ka ntlafatsang lenyora le likarolo, ho ts'oaroa le ho ts'oaroa ha metsi bokhoni le kaho.
Mokokotlo oa morao-rao oa morao-rao oa ho kopanya motsoako o omileng o kenyelletsa mefuta e latelang: ① Styrene-Butdiene-Budy Copolymer; ② Styrene-Acryric acid copolymer; ③ Vinyl acetate copolymer; ④ Polycrylate Homopolymer; ⑤ styrene acetate copolymer; ⑥ Vinyl Acetate-ethingne copolymer.
2. Aggregate:
Aggregate e arotsoe hore e be li-courge e kopaneng le li-aggregate tse ntle. E 'ngoe ea lisebelisoa tsa mantlha tsa konkreite. E sebetsa haholo e le skeleton 'me e fokotsa phetoho ea molumo e bakoang ke shrinkage le ho ruruha ha thepa e sa tloaelehang nakong ea thepa e tloaetseng. Ho na le li-appgregs tsa tlhaho le likabelo tsa maiketsetso, eo pele e neng e le lehlohlojane, lipebe, pomuce, lehlabathe la tlhaho, jj.; ea morao-rao joalo ka Cinder, Slag, Ceramte, o ile a eketsa Perlite, jj.
3. Likarolo tsa seretse
(1) cellulose ether:
Moretse o omileng, chelete e kemileng ether ea cellulose e tlase haholo (ka kakaretso 0.02 -0.7%), empa ke tlatsetso ea mantlha e amang tšebetso ea seretse se metsi.
Ka seretse se omileng, hobane senoelo sa ionic ha se na lebaka la caltina, ha ho na letho le sebelisang samente, e halikiloeng, jj. Hydroxethyl Cellulosese e sebelisoa le lihlahisoa tse ling tse omileng, empa kabelo e nyane haholo.
Ethe e 'ngoe ea celluulos e sebelisitsoeng fofane e omileng e ne e le hydroxethyl methylcellilose (hemc) le hydroxypropypropypropypropypropypropypropypropypropypropypropypropypropypropypropypropypropypropyproppy.
Litšobotsi tsa MC: Ho latela kalafo le ho haha ke lintlha tse peli tse susumetsangnang; Ho Boloka Metsi, ho qoba ho jaralla kapele, e le hore botenya ba karoloana ea seretse se ka fokotsoa haholo.
(2) fiber-crack crack fiber
Ha se ho qaptjoa ha batho ba sejoale-joale ho kopanya likhoele tse seretse le lisebelisoa tsa ho tsitsipana. Mehleng ea khale, baholo-holo ba rona ba sebelisitse likhoele tsa tlhaho e le lisebelisoa tse matla tsa ho kopanya liemahale le lisepa, sebelisa hempe ea sebopeho le seretse sa marang-rang Ho haha matlo, sebelisa moriri oa batho le oa lithaba ho lokisa li-Heails, li-halp likhoto tsa motlakase, li-gypsum ho penta, jj. Ho eketsa likhoele Lisebelisoa tsa samente ea samente ho etsa litsopi tse matla tsa samente tse matlafatsang tsa samente, ke taba ea mashome a sa tsoa feta feela.
Lihlahisoa tsa samente, likarolo kapa meaho li tla hlahisa li-microcractos tse ngata ka lebaka la ho fetoha ha likokoana-hloko, 'me ho tla hola ka liphetoho tsa shrinkage, mocheso oa mocheso le mojaro oa mocheso le mojaro oa mocheso. Ha ba sheba matla a kantle, likhoele li bapala karolo ea ho fokotsa le ho sitisa keketseho ea mapetso a micro-. Mefoli o tšeletsoa ke li-isotropic, li ja le khatello ea maikutlo, li thibela nts'etsopele e 'ngoe ea mapetso,' me u bapale ho thibela mapetsong a thibolang.
Ho eketsoa seretse sa likhoele se ommeng, ho hanyetsa ho senya, ho hanyetsa ho hanyetsa, ho hanyetsa le mesebetsi e meng.
(3) moemeli oa ho fokotsa metsi
Fokotsa metsi ke sebaka sa konkreiti se ka fokotsang palo ea metsi a kopanyang ha e ntse e boloka ho thella konkreite ha e sa fetohe. Boholo ba tsona ke lisosa tsa lehare la ligornosulfanate, NafthallesOlde folymer kapa fokotsa tšebeliso ea setjhaba sa senjure le boloka ea sand.
Ho latela bokhoni ba ho fokotsa metsi le ho matlafatsa bokhoni ba ho fokotsa metsi, bo arotsoe hore e be bofokoli bo tloaelehileng (sekhahla sa ho fokotsa metsi ha se ka tlase ho 8%. (E boetse e tsejoa e le sulagetizer) polasetiki ea metsi ha e tlase ho 14%, sekhahla se phahameng sa metsi ha se ka tlase ho 25%, Polycarboxy Asiti e emeloa ke superplastizer), 'me e arotsoe ka mefuta ea mofuta oa pele, mofuta o tloaelehileng le mofuta o tsitsitseng.
Ho latela sebopeho sa lik'hemik'hale, hangata ho aroloa hore e be libaka tsa bochaba tsa Lignosulfile, tse thehiloeng ho mookameli oa Melamine, tse nang le mafura a bulehileng li-sulfomate. Metsi a Metsi, bao e neng e le libaka tse buileng tsa polycarboxyle.
Ts'ebeliso ea moemeli oa ho fokotsa metsi a nang le seretse se omileng o na le likarolo tse ling tseo u limileng: samente e latelang, samente
Khetho ea moemeli oa ho fokotsa metsi ho lokela ho khethoa ho latela lisebelisoa tse fapaneng tsa vera tse fapaneng le thepa e fapaneng ea for.
(4) starch ether
Strch Ether o sebelisoa haholo ka seretse sa kaho, e ka amang tumellano ea seretse se thehiloeng ho gypsum, samente le ho hana hare le sirag. E-ba-E -Se-bo-mme-bo-mme ba sebelisoa hammoho le kopanelo le Ethe ea selefouso sa celluulo ea celd ea selefouno. E loketse mekhoa e sa nke lehlakore, 'me e lumellana le lihlahisoa tse ngata tsa Gypsum le samente, MC, STRFINNY le polyvinyl acetate le polyvinyl acetate le polyvinyl acetate le polyvinyl acetate le polyvinyl acetate le polyvinyl acetate le polyvinyl acetate le polyvinyl acetate le polyvinyl acetate le polyvinyl acetate le polyvinyl acetate le poly
Litšobotsi tsa starch ether li bua haholo ka ho re: Ho ntlafatsa mokhoa oa Sag; Ho Ntlafatsa kaho; Ho ntlafatsa kotulo ea seme, e ne e sebelisetsoa haholo: seretse seretse ka letsoho kapa seretse se hahiloeng ka mochini se thehiloeng samence le gypsimo; khomare ea tale; Masonry a haha seretse se chesang.
Tlhokomeliso: Tekanyetso e tloaelehileng ea starch ether ka seretse se chesang ke 0.01-0.1%.
(5) Litlatsetso tse ling:
Moemeli ea kenang moeeng o hlahisa palo e kholo ea a kenang ka mokhoa o ts'oanang nakong ea ho kopanya metsi, e nkang ho se hloekise ka ho fetisisa le ho fokotsa ho tsoa mali le ho fokotsa konkreite ea seretse motsoako. BIDIVITIVIVITES, boholo ba mafura a mafura a sodium sulfatate le sodium sulfate, litekanyetso ke 0.005-0.02%.
Ho lula ba sebelisoa haholo ho li-gypssum tsa Gypssum le li-gyps tse qabolang. Hangata, ke letsoai la litholoana tsa litholoana, hangata le kenngoa ka bongata ba 0.05% -0.25%.
Basebeletsi ba hydrophobic (li-burrollents tsa metsi) ba thibela metsi ho kena kahare, ha seretse se lula se bulehile bakeng sa mouoane oa metsi hore o fetohe. Hydrophophobic polymer e rekiloeng e sebelisoa haholo.
Defoamer
Ka mor'a nako: Hlakubele-09-2023