Li-starch ethers, li-derivatives tse fetotsoeng tsa starch ea tlhaho, li sebelisoa haholo indastering ea kaho ka lebaka la thepa ea tsona e ikhethang le mefuta-futa. Li phetha karolo ea bohlokoa ho ntlafatseng tšebetso ea thepa ea kaho.
1. Likhomaretsi tsa Lithaele le Li-Grouts
Hangata li-ethers tsa starch li sebelisoa ho li-adhesive le li-grouts ho matlafatsa ts'ebetso le ho ntlafatsa ts'ebetso. Melemo ea bohlokoa e kenyelletsa:
Mokhoa o ntlafetseng oa ho sebetsa: Li-ether tsa starch li thusa ho theha motsoako o bonolo, o sebetsang haholoanyane, ho etsa hore ho be bonolo ho sebelisa li-adhesive le li-grouts.
Ho Boloka Metsi a Ntlafetseng: Ba ntlafatsa thepa ea ho boloka metsi, ho lumella hore ho be le hydration e ntle ea samente le nako e telele e bulehileng.
Sag Resistance: Starch ethers e kenya letsoho ho ntlafatseng ho hanyetsa, ho netefatsa hore lithaele li lula li le teng ntle le ho thella nakong ea ho kenya.
2. Li-plaster le li-Renders tse thehiloeng ho samente
Li-plaster tse thehiloeng ho samente le li-renders, li-starch ether li fana ka melemo e mengata:
Keketseho ea Khomaretsi: Ba ntlafatsa thepa ea sekhomaretsi ea li-plaster le li-renders, ho netefatsa tlamo e matla ho substrate.
Ntlafatso ea Khokahano: Ho eketsoa ha starch ethers ho thusa ho fihlela motsoako o tsitsitseng le o tšoanang.
Ho boloka metsi: Ho boloka metsi ho ntlafetseng ho lebisa pholisong e ntlafetseng le ho fokotsa kotsi ea mapetsong le ho fokotseha.
3. Metsoako ea Boiketlo
Li-starch ethers li bohlokoa ha ho etsoa metsoako ea ho ikemela e sebelisetsoang ho theha libaka tse boreleli le tse lekaneng. Melemo ea bona e kenyelletsa:
Flowability: Ba ntlafatsa haholo thepa ea phallo ea motsoako, ho netefatsa hore ho na le ts'ebetso e ts'oanang le e boreleli.
Ho Beha Nako: Li-starch ethers li thusa ho laola nako ea ho beha, ho fana ka nako e lekaneng ea ho sebetsa bakeng sa kopo.
Surface Finish: Sephetho ke sephetho se holimo se holimo se nang le likoti tse fokotsehileng le likoli.
4. Liretse le Lifani
Ka har'a seretse le ho fana ka lits'ebetso, starch ethers e fana ka melemo e mengata ea ts'ebetso:
Ho tsitsana le Botsitso: Ba ntlafatsa ho tsitsisa le botsitso ba motsoako oa seretse, ho netefatsa hore esita le kopo.
Khomaretsa e Matlafalitsoeng: Ho finyelloa ho khomarela hamolemo ho li-substrates tse fapa-fapaneng, e leng tsa bohlokoa bakeng sa bophelo bo bolelele ba sehlahisoa se sebelisitsoeng kapa seretse.
Crack Resistance: Thepa e ntlafetseng ea ho boloka metsi e thusa ho fokotsa ho hlaha ha mapetsong le ho ntlafatsa ho tšoarella ka kakaretso.
5. Lihlahisoa tse thehiloeng ho Gypsum
Bakeng sa lihlahisoa tse thehiloeng ho gypsum joalo ka li-plaster le liboto, li-starch ethers li sebelisoa ho ntlafatsa thepa e 'maloa ea bohlokoa:
Mosebetsi: Li fana ka motsoako o bonolo le o sebetsang haholoanyane.
Taolo ea Litlhophiso: Li-starch ethers li ka thusa ho laola nako ea ho beha, e leng ea bohlokoa bakeng sa lihlahisoa tsa gypsum.
Fokotsa Shrinkage: Li kenya letsoho ho fokotsa ho honyela le ho phatloha nakong ea ho omisa.
6. Likhomaretsi tsa kaho
Li-starch ethers li boetse li sebelisoa ho likhomaretsi tse fapaneng tsa kaho, moo thepa ea tsona e leng molemo bakeng sa:
Bond Strength: Li matlafatsa matla a maqhama a likhomaretsi, li etsa bonnete ba ho khomarela hantle lipakeng tsa bokaholimo.
Flexibility: Ho fetoha habonolo ha lera la sekhomaretsi ho thusa ho amohela metsamao le ho thothomela.
Ho hanyetsa Metsi: Li-starch ethers li ka ntlafatsa ho hanyetsa metsi ha li-adhesive, tsa etsa hore li tšoanelehe ho sebelisoa maemong a mongobo.
7. Lisebelisoa tsa Insulation
Ha ho etsoa thepa ea insulation, starch ethers e sebelisoa ho:
Li-binders: Li sebetsa e le li-binders tse sebetsang hantle bakeng sa lisebelisoa tse sireletsang tšireletso, tse netefatsang lihlahisoa tse kopanetsoeng le tse tsitsitseng.
Ts'ebetso e Ntlafetseng: Litšobotsi tse ntlafetseng tsa ho tšoara li etsa hore lisebelisoa tsa ho kenya letsoho li be bonolo ho li sebelisa le ho li kenya.
8. Lipente le Liaparo
Lipenteng le lirapeng tse sebelisoang ha ho hahoa, li-starch ethers li kenya letsoho ho:
Phetoho ea Rheology: Li thusa ho fetola thepa ea rheological, ho netefatsa phallo e ntle le ts'ebeliso.
Ho tsitsisa: Ho tsitsisa ho ntlafetseng ha pente kapa ho roala ho thibela ho rarolla le ho arohana ha likarolo.
Ts'ebetso e Ntlafetseng: Ts'ebetso ea kakaretso ea lipente le liphahlo li ntlafatsoa ho latela ho tšoarella le ho qeta.
9. Concrete Admixtures
Ka linako tse ling li-starch ethers li sebelisoa ka metsoako ea konkreite ho fihlela litšobotsi tse itseng tsa ts'ebetso:
Ho sebetsa: Li ka ntlafatsa ts'ebetso ea konkreite, ho etsa hore ho be bonolo ho tšela le ho bopa.
Ho boloka Metsi: Lithuso tse ntlafalitsoeng tsa ho boloka metsi ho folisa konkreite hamolemo, e lebisang ho matla le ho tšoarella nako e telele.
Thibelo ea Crack: Tšebeliso ea li-starch ethers e ka thusa ho fokotsa monyetla oa ho peperana ka ho laola mokhoa oa hydration.
10. Lokisa Seretse
Bakeng sa seretse sa ho lokisa, starch ethers e bohlokoa bakeng sa:
Adhesion: Thepa e ntlafalitsoeng ea ho khomarela e tiisa hore seretse sa ho lokisa se tlamahana hantle le substrate e teng.
Ho feto-fetoha ha maemo: Ho feto-fetoha ha maemo ho lumella seretse sa ho lokisa ho amohela metsamao le khatello ea maikutlo hamolemo.
Bokhoni ba ho sebetsa: Li fana ka ts'ebetso e ntlafetseng, e leng ho nolofalletsang ho sebelisa seretse sa ho lokisa libakeng tse rarahaneng kapa tseo ho leng thata ho fihla ho tsona.
11. Li-plaster tse khabisitsoeng
Ka li-plaster tse khabisitsoeng, starch ethers e fana ka melemo e kang:
Smooth Application: Ba netefatsa ts'ebeliso e boreleli le e ts'oanang, e bohlokoa bakeng sa ho fihlela likhabiso tsa boleng bo holimo.
Ho tsitsana: Ho ntlafala ho tsitsitseng le botsitso ba motsoako oa samente ho finyelloa.
Durability: Ho tšoarella ho matlafalitsoeng le ho hanyetsa ho phunyeha ho netefatsa hore li-plaster tse khabisitsoeng li boloka ponahalo ea tsona ha nako e ntse e ea.
Li-starch ethers li bapala karolo ea bohlokoa indastering ea kaho, ho matlafatsa ts'ebetso le ts'ebetso ea mefuta e mengata ea lisebelisoa. Mehaho ea bona e ikhethang e kang ho boloka metsi ho ntlafatsa, ho khomarela ho eketsehileng, ts'ebetso e ntlafetseng, le botsitso bo betere li etsa hore e be tsa bohlokoa haholo lits'ebetsong tse fapaneng tsa kaho. Ho tloha ho li-adhesives tsa lithaele le li-plaster tse thehiloeng ho samente ho ea ho metsoako ea ho ikemela le ho lokisa seretse, li-starch ethers li tlatsetsa katlehong le boleng ba mekhoa ea kaho le lihlahisoa tsa ho qetela. Ha indasteri e ntse e tsoela pele ho ntlafatsa, tšebeliso ea li-starch ethers e ka 'na ea eketseha, e susumetsoa ke tlhokahalo e tsoelang pele ea thepa e ntlafetseng ea kaho e fanang ka ts'ebetso e phahameng le ts'ebetso e tsitsitseng.
Nako ea poso: May-29-2024