Cellulose ethers kacha mma

Cellulose ethers kacha mma

Cellulose ethers bụ ezinụlọ nke polymers ndị na-agbaze mmiri sitere na cellulose, polymer nke sitere n'okike nke a na-ahụ na mgbidi sel nke osisi. Ihe ndị a bụ polymers cellulose nke ejiri kemịkalụ gbanwee nke nwere ọtụtụ ọrụ dị iche iche, na-enye ihe onwunwe pụrụ iche na molekul. A na-ejikarị cellulose ethers eme ihe n'ọtụtụ ụlọ ọrụ dị iche iche n'ihi ọtụtụ ihe ha na-arụ, gụnyere owuwu, ọgwụ, nri, ihe ịchọ mma, na ihe ndị ọzọ.

Ịchọpụta "cellulose ether" kacha mma dabere na ihe achọrọ maka ojiji a chọrọ. Ụdị cellulose ether dị iche iche na-egosipụta ihe dị iche iche, dị ka viscosity, ịgbaze mmiri, na ikike ịmepụta ihe nkiri, nke na-eme ka ha dabara adaba maka ebumnuche dị iche iche. Lee ụfọdụ cellulose ethers a na-ejikarị eme ihe ma na-akwanyere ùgwù nke ọma:

  1. Methyl Cellulose (MC):
    • Àgwà: A maara MC maka ikike ya dị elu nke ijide mmiri, nke mere ka ọ dị mma maka iji ya mee ihe n'ịkpụ ihe, ọkachasị n'ụlọ ọrụ owuwu. A na-ejikwa ya eme ihe n'ọgwụ na ngwaahịa nri.
    • Ojiji: Ngwa e ji agwakọta ihe e ji agwakọta ihe na simenti, mbadamba ọgwụ, nakwa dị ka ihe na-eme ka ihe sie ike na ngwaahịa nri.
  2. Selulose Hydroxyethyl (HEC):
    • Àgwà: HEC na-enye ezigbo ike ịgbaze mmiri ma na-enye ọtụtụ ihe dị iche iche n'ihe gbasara njikwa viscosity. A na-ejikarị ya eme ihe ma n'ụlọ ọrụ mmepụta ihe ma n'ahịa ndị ahịa.
    • Ngwa: Agba na ihe mkpuchi, ngwaahịa nlekọta onwe onye (shampoo, ude mmiri), ihe mmado, na usoro ọgwụ.
  3. Carboxymethyl cellulose (CMC):
    • Àgwà: CMC na-agbaze mmiri ma nwee ezigbo ihe ndị na-eme ka ọ sie ike ma na-eme ka ọ sie ike. A na-ejikarị ya eme ihe n'ụlọ ọrụ nri na ọgwụ.
    • Ngwa: Ngwaahịa nri (dị ka ihe na-eme ka ihe sie ike ma na-eme ka ihe sie ike), ọgwụ, ihe ịchọ mma, ákwà, na mmiri mmiri na-agbapụta n'ime ụlọ ọrụ mmanụ na gas.
  4. Selulose Hydroxypropyl Methyl (HPMC):
    • Àgwà: HPMC na-enye ezigbo nguzozi nke mmiri na-agbaze, ihe na-eme ka mmiri dị ọcha, na ihe ndị na-emepụta ihe nkiri. A na-ejikarị ya eme ihe n'ihe owuwu na ọgwụ.
    • Ngwa: Ihe mmado taịlị, ihe eji simenti mee, usoro ọgwụ a na-aṅụ n'ọnụ, na sistemụ nnyefe ọgwụ a na-achịkwa.
  5. Ethyl Hydroxyethyl Cellulose (EHEC):
    • Àgwà: A maara EHEC maka oke ọ na-eji na mmiri na-ejide ya, nke mere ka ọ dị mma maka iji ya eme ihe n'iwu ụlọ na ọgwụ.
    • Ngwa: Ihe mgbakwunye igwo, ihe ndị na-eme ka ihe sie ike n'ọgwụ, na ihe ịchọ mma.
  6. Sodium Carboxymethyl Cellulose (Na-CMC):
    • Àgwà: Na-CMC bụ cellulose ether nke na-agbaze mmiri nke nwere ezigbo ihe ndị na-eme ka ọ sie ike ma na-eme ka ọ sie ike. A na-ejikarị ya eme ihe na nri na ọtụtụ ihe eji eme ihe n'ụlọ ọrụ mmepụta ihe.
    • Ngwa: Ngwaahịa nri (dị ka ihe na-eme ka ihe sie ike ma na-eme ka ihe sie ike), ọgwụ, ákwà, na mmiri mmiri na-agbapụta.
  7. Cellulose Microcrystalline (MCC):
    • Àgwà: MCC nwere obere ihe ndị dị ka kristal ma a na-ejikarị ya eme ihe dị ka ihe na-ejikọ ma na-emeju ihe na mbadamba ọgwụ.
    • Ngwa: Mbadamba ọgwụ na kapsụl.
  8. Sodium Carboxymethyl Starch (CMS):
    • Àgwà: CMS bụ ihe e ji eme starch, nke nwere ihe ndị yiri Na-CMC. A na-ejikarị ya eme ihe n'ụlọ ọrụ nri.
    • Ngwa: Ngwaahịa nri (dị ka ihe na-eme ka ihe sie ike ma na-eme ka ihe sie ike), ákwà, na ọgwụ.

Mgbe ị na-ahọrọ cellulose ether maka ojiji a kapịrị ọnụ, ọ dị mkpa ịtụle ihe ndị dị ka viscosity achọrọ, ike ịgbaze, nkwụsi ike, na njirimara arụmọrụ ndị ọzọ. Na mgbakwunye, a ga-eburu n'uche nrubeisi na ụkpụrụ iwu na ihe ndị metụtara gburugburu ebe obibi. Ndị nrụpụta na-enyekarị mpempe akwụkwọ data teknụzụ nwere ozi zuru ezu gbasara ihe onwunwe na ojiji akwadoro nke cellulose ethers.


Oge ozi: Jenụwarị-03-2024