Imiterere yimiti ya selulose ether ikomoka

Imiterere yimiti ya selulose ether ikomoka

Ethers ya selile ni inkomoko ya selile, polyisikaride isanzwe iboneka murukuta rw'utugingo ngengabuzima. Imiterere yimiti ya selile ya selile irangwa no kwinjiza amatsinda atandukanye ya ether binyuze muguhindura imiti ya hydroxyl (-OH) igaragara muri molekile ya selile. Ubwoko bwa selulose ethers bukunze kubamo:

  1. Hydroxypropyl Methylcellulose (HPMC):
    • Imiterere:
      • HPMC isanisha mugusimbuza hydroxyl matsinda ya selile hamwe na hydroxypropyl (-OCH2CHOHCH3) hamwe na methyl (-OCH3).
      • Urwego rwo gusimbuza (DS) rwerekana impuzandengo yumubare wamatsinda ya hydroxyl yasimbuwe kuri glucose igice mumurongo wa selile.
  2. Carboxymethyl Cellulose(CMC):
    • Imiterere:
      • CMC ikorwa mugutangiza carboxymethyl (-CH2COOH) mumatsinda ya hydroxyl ya selile.
      • Amatsinda ya carboxymethyl atanga imbaraga zo gukemura amazi hamwe na anionic kumurongo wa selile.
  3. Hydroxyethyl Cellulose (HEC):
    • Imiterere:
      • HEC ikomoka mugusimbuza hydroxyl matsinda ya selile hamwe na hydroxyethyl (-OCH2CH2OH).
      • Yerekana uburyo bwiza bwo gukemura amazi no kubyimba.
  4. Methyl Cellulose (MC):
    • Imiterere:
      • MC ikorwa no kumenyekanisha methyl (-OCH3) mumatsinda ya hydroxyl ya selile.
      • Bikunze gukoreshwa muburyo bwo kubika amazi no gukora firime.
  5. Ethyl Cellulose (EC):
    • Imiterere:
      • EC ikomatanyirizwa mugusimbuza hydroxyl matsinda ya selile hamwe na Ethyl (-OC2H5).
      • Azwiho kutavogerwa mumazi kandi akenshi bikoreshwa mugukora amakoti na firime.
  6. Hydroxypropyl Cellulose (HPC):
    • Imiterere:
      • HPC ikomoka mugutangiza hydroxypropyl (-OCH2CHOHCH3) mumatsinda ya hydroxyl ya selile.
      • Ikoreshwa nka binder, firime yambere, na viscosity modifier.

Imiterere yihariye iratandukanye kuri buri selulose ether ikomoka kubwoko n'urwego rwo gusimbuza byatangijwe mugihe cyo guhindura imiti. Itangizwa ryaya matsinda ya ether itanga imitungo yihariye kuri buri selulose ether, bigatuma ikoreshwa mubikorwa bitandukanye byinganda.


Igihe cyo kohereza: Mutarama-21-2024