Kodi hydroxyethyl methyl cellulose (HEMC) ndi chiyani?
Hydroxyethyl methylcellulose(Mtengo HEMCamadziwikanso kuti methylhydroxyethyl cellulose (MHEC).Ndi chinthu choyera, chotuwa chotuwa, kapena chotuwa choyera.Ndi nonion cellulose ether yomwe imapezeka powonjezera ethylene oxide ku methyl cellulose.Zimapangidwa kuchokera ku ma polima opangidwanso mwachilengedwe monga zamkati zamatabwa kapena thonje, ndipo HEMC ingagwiritsidwe ntchito ngati njira yosungira madzi kwambiri, zomatira ndi kupanga filimu, stabilizer, etc. Amagwiritsidwa ntchito kwambiri m'mafakitale osiyanasiyana, monga mafuta. kubowola, kumanga ndi kumanga, utoto ndi zokutira, mankhwala, etc.Mtengo HEMCakhoza kusinthidwa malinga ndi zofuna za makasitomala, ndipo pambuyo kusinthidwa, akadali kukana zabwino sagging ndi processability wabwino.Mukufuna kugwiritsa ntchitoMtengo HEMCza mafakitale?Chonde funsani wodalirika wogulitsahydroxyethyl methyl cellulosekuti mupeze malonda abwino.
Mtengo HEMCali ndi ntchito zosiyanasiyana.Zikuphatikizapo:
1. Maonekedwe
Mtengo HEMCikhoza kukhala yoyera, yachikasu yowala, yachikasu yoyera, kapena yotuwa.
2. Kusungunuka
Mtengo HEMCamasungunuka m'madzi (ozizira kapena otentha).NgakhaleMtengo HEMCsasungunuke mu zosungunulira zambiri organic, ndi sungunuka mu bayinare organic solvents ndi organic zosungunulira madzi kachitidwe.
Kuchuluka kwake kumadalira mamasukidwe akayendedwe, ndipo kusungunuka kwake kumasiyana ndi mamasukidwe akayendedwe.M'munsi mamasukidwe akayendedwe, kwambiri solubility, ndi mosemphanitsa.
3. Kukhazikika kwa pH
Mtengo HEMCndi khola mu osiyanasiyana 3.0-11.0 ndi mamasukidwe akayendedwe ake pafupifupi osakhudzidwa, koma kupyola munjira imeneyi kuchepetsa mamasukidwe akayendedwe ake.
4. Metabolism
Mtengo HEMCndi chinthu cha inert chomwe chimagwiritsidwa ntchito kwambiri muzakudya ndi zamankhwala chifukwa chakulephera kwake kuchitapo kanthu.
5. Zochita zapamtunda
Chifukwa cha ntchito yake yogwira ntchito m'mayankho amadzimadzi, imatha kugwiritsidwa ntchito ngati dispersant, protector, and emulsifier.
6. Kukana kwa bowa
Pakusungidwa kwa nthawi yayitali,Mtengo HEMCali ndi kukhazikika kwa viscosity yabwino, chifukwa chake ali ndi kukana kwa nkhungu.
Mphamvu yake yotsutsa nkhungu ndi yapamwamba kuposa ya hydroxyethyl cellulose.
7. Kusunga madzi
Mtengo HEMCimakhala yothandiza posungira madzi chifukwa cha kukhuthala kwake kwakukulu mu njira zamadzimadzi.
Mphamvu yake yosunga madzi ndi yayikulu kuposa ya methyl cellulose.
8. Mphulupulu
Kukonzekera ndondomeko yaMtengo HEMCamagwiritsa ntchito kutsuka madzi otentha, zomwe zimapangitsa kuti phulusa likhale lochepa kwambiri.
9. Thermal conductive zomatira
Pamene aMtengo HEMCyankho litenthedwa ndi kutentha kwina, kuwonekera kwake kumachepa, kupanga matope ndi gel osakaniza, koma ngati utakhazikika, udzabwerera ku chikhalidwe choyambirira cha yankho.
Wamba ntchito zaMtengo HEMC
Hydroxyethyl methylcelluloseangagwiritsidwe ntchito ngati:
Ø AdhesiveØ Chitetezo cha colloidØ ThickenerØ Wopanga filimu Emulsifier LubricantØ Suspension agent
Ntchito zamafakitale zaMtengo HEMC
Mtengo HEMCamagwiritsidwa ntchito kwambiri m'mafakitale otsatirawa:
·Aggregation·Ceramics·Cosmetics·Construction·Chakudya ndi Chakumwa·Medicines·Penti ndi zokutira·Ink ndi kubowola mafuta
Monga tanena kale,hydroxyethyl methylcellulose (Mtengo HEMC) ndi chochokera ku methylcellulose.Ndiwopanda ionic cellulose ether wopangidwa kuchokera ku zinthu za thonje zoyera kwambiri.Mtengo HEMC's madzi posungira ndi thickening mphamvu zimapangitsa kukhala oyenera madzi ofotokoza latex utoto, inki ndi pobowola mafuta, zomangira, etc. Chifukwa chofala ntchito zosiyanasiyana ntchito, kupezaMtengo HEMCkuchokera kwa ogulitsa odziwika bwino a hydroxyethyl methyl cellulose amatha kuwonetsetsa kuti mumapeza zinthu zoyenera kugwiritsa ntchito nokha kapena mafakitale.
Nthawi yotumiza: Aug-28-2023