Methylhydroxyethylcellulose (MHEC) ke ether ea cellulose e sebelisoang haholo indastering e fapaneng, ho kenyeletsoa le lefapha la meaho le kaho. Likoahelong tsa meralo, MHEC ke setenya sa bohlokoa se fanang ka thepa e itseng ho koahelo, ka hona se ntlafatsa ts'ebetso ea sona.
Selelekela ho Methyl Hydroxyethyl Cellulose (MHEC)
MHEC ke ether ea cellulose e seng ea ionic e fumanoang ho tsoa ho cellulose ea polymer ea tlhaho ka letoto la liphetoho tsa lik'hemik'hale. E khetholloa ka motsoako o ikhethang oa lihlopha tsa methyl le hydroxyethyl tse hoketsoeng mokokotlong oa eona oa cellulose. Sebopeho sena sa limolek'hule se fa MHEC thepa e ntle ea ho boloka metsi, ho teteana le ho tsitsisa, e leng se etsang hore e be e loketseng lits'ebetso tse fapaneng indastering ea kaho.
Likarolo tsa MHEC
1. Litšobotsi tsa rheological
MHEC e tsebahala ka thepa ea eona e ntle ea rheological, e fanang ka viscosity le litšobotsi tse ntle tsa phallo bakeng sa liphahlo. Phello ea ho teteana e bohlokoa ho thibela ho thella le ho rotha ha metsi nakong ea ts'ebeliso le ho netefatsa hore phahlo e lekana ebile e boreleli.
2. Ho boloka metsi
E 'ngoe ea litšobotsi tsa bohlokoa tsa MHEC ke bokhoni ba eona ba ho boloka metsi. Sena se bohlokoa haholo bakeng sa lipente tsa meralo kaha se thusa ho eketsa nako ea ho buleha ha pente, se lumella ho batalatsa hantle le ho fokotsa monyetla oa ho oma pele ho nako.
3. Ntlafatsa ho khomarela
MHEC e ntlafatsa ho khomarela ka ho ntlafatsa ho kolobisa bokaholimo, ho netefatsa hore ho kopana ho betere pakeng tsa ho roala le substrate hoa kopana. Sena se ntlafatsa ho khomarela, ho tšoarella le ts'ebetso ea ho roala ka kakaretso.
4. Botsitso
MHEC e fana ka botsitso ho sekwahelo, e thibela mathata a kang ho dula le ho arohana ha mekhahlelo. Sena se netefatsa hore sekwahelo se boloka ho lekana ha sona nakong yohle ya bophelo ba sona ba polokelo le nakong ya tshebediso.
Tšebeliso ea MHEC ho lipente tsa meralo
1. Pente le primer
MHEC e sebelisoa haholo ho etseng pente ea ka hare le kantle le li-primer. Litšobotsi tsa eona tsa ho teteana li thusa ho eketsa ho teteana ha lipente, e leng se fellang ka ho koaheloa hamolemo le ts'ebetso e ntlafetseng ea ts'ebeliso. Bokhoni ba ho tšoara metsi bo netefatsa hore pente e tla lula e sebelisoa nako e telele.
2. Seaparo se nang le sebopeho
Likoahelong tse nang le sebopeho, MHEC e bapala karolo ea bohlokoa ho fihlelleng sebopeho se lakatsehang. Litšobotsi tsa eona tsa rheological li thusa ho emisa li-pigment le li-filler ka ho lekana, e leng se fellang ka qetello e tsitsitseng le e nang le sebopeho se lekanang.
3. Stucco le Seretse
MHEC e sebelisoa mefuteng ea stucco le seretse ho ntlafatsa ho sebetsa le ho khomarela. Litšobotsi tsa eona tsa ho boloka metsi li thusa ho eketsa nako ea ho buleha, e leng se fellang ka tšebeliso e betere le litšobotsi tsa ho qetela.
4. Li-sealant le Li-caulks
Liaparo tsa meralo tse kang li-sealant le caulk li rua molemo ho tsoa ho thepa ea ho teteana ea MHEC. E thusa ho laola ho tsitsa ha mekhoa ena, ho netefatsa ho koaloa le ho hokahanngoa hantle.
Melemo ea MHEC ho Liaparo tsa Meaho
1. Ho se fetohe le bonngoe
Tšebeliso ea MHEC e netefatsa hore lipente tsa meralo li boloka ho teteana ho tsitsitseng le ho lekana, ka hona li khothalletsa ts'ebeliso le ho koahela ka mokhoa o ts'oanang.
2. Eketsa lihora tsa ho bula
Litšobotsi tsa MHEC tse bolokang metsi li eketsa nako ea ho buleha ha pente, li fa bapenti le ba kenyang nako e eketsehileng bakeng sa ts'ebeliso e nepahetseng.
3. Ntlafatsa bokgoni ba ho sebetsa
Ka har'a stucco, seretse le lipente tse ling tsa meralo, MHEC e ntlafatsa ts'ebetso ea ts'ebeliso, e leng se nolofalletsang li-applicator ho fihlela qetello e lakatsehang.
4. Ho tšoarella ho matlafetseng
MHEC e thusa ho ntlafatsa ho tšoarella ha sekoahelo ka kakaretso ka ho ntlafatsa ho khomarela le ho thibela mathata a kang ho thekesela le ho lula.
Methylhydroxyethylcellulose (MHEC) ke setenya sa bohlokoa mefuteng ea meaho e nang le litšobotsi tsa bohlokoa tsa rheology le ho boloka metsi. Tšusumetso ea eona ho tsitsitseng, ho sebetsa hantle le ho tšoarella e etsa hore e be khetho ea pele ho etseng lipente, li-primer, mefuteng ea meaho, stucco, li-mortar, li-sealant le caulk. Ha indasteri ea kaho e ntse e tsoela pele ho fetoha, MHEC e ntse e le karolo e feto-fetohang le ea bohlokoa ntlafatsong ea mefuteng ea meaho e sebetsang hantle.
Nako ea poso: Pherekhong-26-2024