Mohopolo oa mantlha oa starch ether ke ofe?
Karabo: Morekisi e sebelisoa haholo-holo ho sere sa kaho, e ka amang tumellano ea seretse se thehiloeng ho gypsum, samente le ho hana hare. 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:
(1) Ho ntlafatsa Sag ho hanyetsa;
(2) Ntlafatsa ho hahamalla;
(3) Tšielo e phahameng ea kutu e phahameng.
Ts'ebetso ea mantlha ea starch ether ke eng ka seretse se omileng sa Gyppsum
Karabo: starch ether ke e 'ngoe ea litlatsetso tse ka sehloohong tsa seretse se ommeng sa phofo. E ka lumellana le litlatsetso tse ling. E sebelisoa haholo ka likharetene, ho boloka li-gypsim, lisepa tsa marang-rang, tse ka hare le tse ntle le ho tlatsa kopo ea letsoho kapa ho fafatsa. E sebetsa ka tsela e latelang:
(1) starch ether hangata e sebelisoa hammoho le methyl cellulose, e bonts'ang litlamorao tse ntle lipakeng tsa tse peli. Ho eketsa palo e lekanang ea starch ether ho methyl celnyl etha haholo e ka ntlafatsa haholo ho hanyetsa
.
(3) Ho eketsa palo e lekanang ea starch ether ho seretse se nang le tšepe ea methyl ether
Melemo le mekhoa ea polokelo ea starch ether ke efe?
Karabo: E ka sebelisoa e le mokhoa oa ho itlotsa lihlahisoa tsa lihlahisoa tse thehiloeng ho saense, lihlahisoa tsa gypsum le lihlahisoa tsa molora.
(1) Melemo le likopo:
a. E na le phello e matla ho seretse, e ka ba matla kapele, 'me e na le leraba le letle;
b. Tekanyo e nyane, 'me litekanyetso tse tlase haholo li ka ba le phello e phahameng;
c. Ntlafatsa bokhoni ba anti-slide ba seretse se tlame;
d. Atoloha nako e bulehileng ea boitsebiso;
e. Ntlafatsa ts'ebetso ea ts'ebetso ea boitsebiso ebe u etsa hore ts'ebetso eo e sebetse.
(2) polokelo:
Sehlahisoa se ka angoa ke mongobo ebile se tlameha ho bolokoa sebakeng se ommeng le se pholileng sebakeng sa pele. Ho molemo ho e sebelisa nakong ea likhoeli tse 12. (Ho khothalletsoa ho sebelisoa hammoho le celbolose e phahameng Ether, le karolelano ea nako e telele ea cellulose Ether ke 7: 3 ~ 8)
Mosebetsi oa methyl celllosese ether ether ke eng ka seretse se ommeng?
A: Methyl hydrouthyl cellulosese ether (mHEC) le methyl hydroxella
Tšimong ea seretse se omileng ea phofo, methyl celdilose e fetotsoeng joalo ka seretse se omileng, e hlasimollang, e pepesang, e fafatsa, seriti sa motlakase. Maemong a fapaneng a ommeng a phofo, methyl cellulose emisa ho bapala karolo ea ho boloka metsi le ho holisa.
Ts'ebetso ea tlhahiso ea Methylcellllllllll
Karabo: Pele, lingoliloeng tsa raw tsa molekoli oa cellulose li sithabetse, ebe li oela tlas'a ketso ea caustic soda. Kenya Olefin Oxide (joalo ka axide kapa axide ea ethinen) le methyl chloride ea apronyl. Kamora nako, ho hlatsoa metsi le ho its'oaetso ho etsoa qetellong fumana phofo e tšoeu. Phofo ena, tharollo ea eona ea halefile, haholo-holo thepa e khahlisang ea 'mele. Ether etherlulose e sebelisitsoeng indastering ea kaho ke methyl hydroxeeyyl hydroxypropypropyLe mum). Sehlahisoa sena se bapala karolo ea bohlokoa tšimong ea seretse se semiloeng. Karolo ea Bohlokoa.
Nako ea poso: Feb-22-2025