Focus on Cellulose ethers

Sebopeho sa Lik'hemik'hale le Moetsi oa Cellulose Ethers

Sebopeho sa Lik'hemik'hale le Moetsi oa Cellulose Ether

Li-cellulose etherske lelapa la li-polymer tse qhibilihang ka metsing tse nkiloeng ho cellulose, polima ea tlhaho e fumanehang maboteng a lisele tsa limela.Sebopeho sa lik'hemik'hale tsa cellulose ethers se finyelloa ka liphetoho tsa lik'hemik'hale tsa selulose ka ho hlahisa lihlopha tse sa tšoaneng tsa ether.Li-ether tse tloaelehileng tsa cellulose li kenyelletsa Hydroxyethyl Cellulose (HEC), Hydroxypropyl Methylcellulose (HPMC), Methyl Cellulose (MC), Carboxymethyl Cellulose (CMC), le tse ling.Mehaho ea lik'hemik'hale ea li-cellulose ethers ke tse latelang:

  1. Hydroxyethyl Cellulose (HEC):
    • Lihlopha tsa Hydroxyethyl li kenngoa mohahong oa cellulose.
    • Sebopeho sa Lik'hemik'hale: [Cellulose] – [O-CH2-CH2-OH]
  2. Hydroxypropyl Methylcellulose (HPMC):
    • Lihlopha tsa Hydroxypropyl le methyl li kenngoa ka har'a sebopeho sa cellulose.
    • Sebopeho sa Lik'hemik'hale: [Cellulose] - [O-CH2-CHOH-CH3] le [O-CH3]
  3. Methyl Cellulose (MC):
    • Lihlopha tsa Methyl li kenngoa mohahong oa cellulose.
    • Sebopeho sa Lik'hemik'hale: [Cellulose] - [O-CH3]
  4. Carboxymethyl Cellulose (CMC):
    • Lihlopha tsa carboxymethyl li kenngoa ka har'a sebopeho sa cellulose.
    • Sebopeho sa Lik'hemik'hale: [Cellulose] - [O-CH2-COOH]

Sebopeho se nepahetseng sa lik'hemik'hale se ka fapana ho latela tekanyo ea ho fetola (DS) le lintlha tse ling tse amanang le ts'ebetso ea tlhahiso.Ho kenyelletsoa ha lihlopha tsena tsa ether ho fana ka thepa e khethehileng ho ether e 'ngoe le e' ngoe ea cellulose, e kang ho qhibiliha ha metsi, bokhoni ba ho teteka, bokhoni ba ho etsa filimi, le tse ling.

Baetsi ba cellulose ethers ba kenyelletsa lik'hamphani tsa lefats'e le tsa libaka.Baetsi ba bang ba hlahelletseng indastering ea cellulose ethers ba kenyelletsa:

  1. Kima Chemical:
    • Kima Chemical ke k'hamphani ea machaba ea cellulose ether chemical e hlahisang mefuta e fapaneng ea lihlahisoa tsa lik'hemik'hale, ho kenyelletsa le cellulose ethers.
  2. Shin-Etsu:
    • Shin-Etsu, e lulang Japane, e tsebahala ka ho etsa lihlahisoa tse fapaneng tsa lik'hemik'hale, ho kenyeletsoa le tse nkiloeng ho cellulose.
  3. Ashland Inc.:
    • Ashland ke k'hamphani ea lefats'e ea lik'hemik'hale tse khethehileng tse hlahisang li-cellulose ethers har'a lihlahisoa tse ling.
  4. CP Kelco:
    • CP Kelco ke mohlahisi ea ka sehloohong oa lefats'e oa lihlahisoa tse khethehileng tsa hydrocolloids, ho kenyelletsa le cellulose ethers.
  5. AkzoNobel:
    • AkzoNobel ke k'hamphani ea machaba e etsang mefuta e mengata ea lik'hemik'hale tse khethehileng, ho akarelletsa le cellulose ethers.
  6. Nouryon (eo pele e neng e le AkzoNobel Specialty Chemicals):
    • Nouryon ke mohlahisi ea ka sehloohong oa lik'hemik'hale tse khethehileng, 'me e tsoela pele ka lefa la AkzoNobel Specialty Chemicals.

Likhamphani tsena li na le boteng ba bohlokoa 'marakeng oa cellulose ethers mme li fana ka mefuta e fapaneng ea limaraka le mefuta e fapaneng ho fihlela litlhoko tse fapaneng tsa indasteri le tsa khoebo.Ha u sebelisa cellulose ethers, ho bohlokoa ho bua ka litokomane tse ikhethileng tsa sehlahisoa tse fanoeng ke moetsi bakeng sa tlhaiso-leseling e batsi ka thepa, maemo a ts'ebeliso e khothaletsoang, le lintlha tse ling tsa tekheniki.

 

Nako ea poso: Jan-20-2024
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