Focus on Cellulose ethers

Boleng ba selulose bo khetholla boleng ba seretse joang?

Boleng ba selulose ka har'a seretse bo bapala karolo ea bohlokoa ho khetholla boleng ba kakaretso le ts'ebetso ea motsoako oa seretse. Cellulose e atisa ho sebelisoa e le mofetoleli oa rheology le moemeli oa ho boloka metsi ha ho etsoa seretse. Thepa ea eona e ka susumetsa haholo likarolo tse fapaneng tsa seretse, ho kenyelletsa le ho sebetsa, matla, ho tšoarella, le ts'ebetso ka kakaretso.

1. Mosebetsi:

Tšusumetso: Boleng ba selulose bo ama ts'ebetso ea seretse, e bolelang boiketlo ba eona ba ho tšoara le ho hasana.
Tlhaloso: Li-additives tsa cellulose li thusa ho ntlafatsa ho tsitsisa le ho phalla ha metsoako ea seretse ka ho matlafatsa ho boloka metsi le ho laola rheology. Selulose ea boleng bo holimo e hasana ka mokhoa o ts'oanang ka har'a matrix a seretse, e khothaletsa ho emisoa ha likaroloana hantle le ho fokotsa karohano.
Mohlala: Li-additives tse phahameng tsa cellulose li nolofalletsa seretse ho boloka ho theoha ho tsitsitseng kapa ho phalla ka nako e telele, ho nolofatsa kopo le ho fokotsa litlhoko tsa basebetsi nakong ea kaho.

2. Paballo ea Metsi:

Tšusumetso: Boleng ba cellulose bo ama matla a ho boloka metsi a seretse.
Tlhaloso: Ho boloka metsi ho bohlokoa bakeng sa ho netefatsa hore metsi a lekaneng a likaroloana tsa samente, a bohlokoa bakeng sa ho finyella nts'etsopele e nepahetseng ea matla le ho tšoarella ha seretse. Li-additives tsa boleng bo holimo tsa selulose li tlamella metsi ka nepo ka har'a matrix a seretse, ho thibela tahlehelo e feteletseng ea metsi ka lebaka la ho tsoa mouoane kapa ho monngoa ke li-porous substrates.
Mohlala: Seretse se nang le selulose ea boleng bo holimo se boloka mongobo nako e telele, se khothalletsa ho kenngoa ha samente ka botlalo le ho matlafatsa matla a tlamahano ka li-substrate.

3. Nts'etsopele ea Matla:

Tšusumetso: Boleng ba selulose bo ka ama litšobotsi tsa matla a seretse se thata.
Tlhaloso: Li-additives tsa cellulose li phetha karolo ea ho laola sekhahla sa hydration ea samente le ho thehoa ha lihlahisoa tsa hydration, tse susumetsang ka ho toba tsoelo-pele ea matla a seretse ka nako. hydration e nepahetseng e tsamaisoang ke boleng ba selulose e lebisa ho matlafatsong a maqhama a sefahleho le thepa e akaretsang ea seretse.
Mohlala: Metsoako ea seretse e nang le selulose ea boleng bo holimo e bonts'a matla a holimo a ho hatella, a feto-fetohang le a bond, a kenyang letsoho ntlafatsong e matlafalitsoeng ea sebopeho le ts'ebetso ea nako e telele lits'ebetsong tsa kaho.

4. Ho tšoarella:

Tšusumetso: Boleng ba cellulose bo susumetsa ho tšoarella ha seretse tlas'a maemo a fapaneng a tikoloho.
Tlhaloso: Likarolo tsa nako e telele tse kang ho hanyetsa potoloho ea ho qhibiliha ha leqhoa, tlhaselo ea lik'hemik'hale, le ho kenella ha mongobo li bohlokoa bakeng sa ho netefatsa ts'ebetso ea nako e telele ea meaho ea seretse. Li-additives tsa boleng ba cellulose li kenya letsoho ho thehoeng ha microstructure e teteaneng le e momahaneng ka har'a matrix a seretse, ho matlafatsa khanyetso ho bahlaseli ba ka ntle le ho fokotsa ho senyeha ha nako.
Mohlala: Seretse se nang le selulose ea boleng bo holimo se bonts'a khanyetso e ntlafalitsoeng ea ho peperana, ho phatloha le ho senyeha ho bakoang ke maemo a tikoloho, ka hona ho lelefatsa bophelo ba ts'ebeletso ea likarolo tsa kaho.

5. Ho lumellana le Li-additives:

Tšusumetso: Boleng ba selulose bo ka susumetsa ho tsamaellana ha seretse le li-additives le metsoako e meng.
Tlhaloso: Metsoako ea seretse hangata e kenyelletsa li-additives tse fapaneng joalo ka li-air-entraining agents, li-accelerator, kapa li-reducers tsa metsi ho fihlela sepheo se itseng sa ts'ebetso. Li-additives tsa boleng ba cellulose li bonts'a tumellano e ntle le likarolo tse ling tsa motsoako oa seretse, ho netefatsa kabo e tšoanang le litlamorao tsa synergistic ntle le tšebelisano e mpe.
Mohlala: Lirafshoa tsa boleng bo holimo tse entsoeng ka selulose li lumella ho kopanngoa ka mokhoa o se nang moeli oa metsoako ea tlatsetso, e nolofalletsang liforomo tse ikamahanyang le litlhoko tse itseng tsa morero ha li ntse li boloka litšobotsi tse lakatsehang tsa ts'ebetso.

6. Tšusumetso ea Tikoloho:

Tšusumetso: Boleng ba cellulose bo ka ama ts'ireletseho ea tikoloho ea metsoako ea seretse.
Tlhaloso: Mekhoa e tsitsitseng ea kaho e etelletsa pele tšebeliso ea thepa e bolokang tikoloho le theknoloji ho fokotsa tšusumetso ea tikoloho bophelong bohle ba meaho. Li-additives tsa boleng bo holimo tsa cellulose tse nkiloeng mehloling e ka nchafatsoang li fana ka mefuta e meng e tšoarellang ho li-additives tsa setso tsa lik'hemik'hale, tse tlatsetsang ho fokotseheng ha khabone le ho lumellana le tikoloho ea litsamaiso tsa seretse.
Mohlala: Metsoako ea seretse e kenyelletsang selulose ea boleng bo holimo e kenya letsoho mererong ea kaho e tala ka ho khothaletsa katleho ea lisebelisoa, ho fokotsa tšebeliso ea matla, le ho fokotsa tlhahiso ea litšila nakong ea mekhahlelo ea kaho le ts'ebetso.

Boleng ba cellulose bo ama haholo thepa le ts'ebetso ea seretse lits'ebetsong tsa kaho. Ka ho ntlafatsa ts'ebetso, ho boloka metsi, nts'etsopele ea matla, ho tšoarella, ho lumellana le li-additives, le ts'ebetso ea tikoloho, lisebelisoa tsa boleng bo phahameng ba cellulose li kenya letsoho ntlafatsong ea lihlahisoa tsa seretse le ho finyella botšepehi bo phahameng ba sebopeho, nako e telele le ho tiea ha mehaho ea mohaho. Ka hona, khetho e hlokolosi le tšebeliso ea lihlahisoa tse entsoeng ka selulose li bohlokoa bakeng sa ho netefatsa boleng le katleho ea merero ea kaho e entsoeng ka seretse.


Nako ea poso: May-21-2024
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