Cellulose ether is a polymer inoenderana neye ether chimiro chakagadzirwa nemheremalose. Imwe neimwe glucosyl mhete muCellulose MacromoleCucu
Kushandiswa kwe cellulose ether
1. Kuvaka zvinhu giredhi cellulose ether
Cellulose ether inozivikanwa se "indasitiri monosdium glutamate". Kutenda kune kwayo kwakanakisa kurongedza, kudzoreredza mvura uye kudzoreredza zvivakwa, zvinowanzosvitswa zvakagadzirira, pvc resin yekugadzira, latex pendi uye zvimwe zvigadzirwa zvekugadzira zvigadzirwa zvechigadzirwa. Kutenda nekuvandudzwa kweNyika Yangu Nyika
2. Pharmaceuce Giredhi cellulose ether
Cellulose ana vana vanoshandiswa zvakanyanya mumatombo efirimu, mafashama, mafuta emishonga, akavaparadzira, miriwo miriwo uye gadziriro dzekusimudzira uye mamwe minda yemigodhi yemishonga yemishonga. Sechinyorwa cheSkeleton, cellulose ether chine mabasa ekuwedzera mukana wekushandisa zvinodhaka uye kusimudzira kupararira kwezvinodhaka nekuparadza; Semapapule uye coating, inogona kudzivisa kusvibiswa uye kuyambuka-kuunganidza uye kurapa maitiro, uye chinhu chakakosha chibharo chekugadzirwa kwemishonga yemishonga yemishonga. Iyo tekinoroji yekushandisa yemishonga yemishonga giredhi cellulose ether yakakura munyika dzakasimukira.
3. Chikafu chegiredhi cellulose ether
Chikafu-giredhi cellulose ether inzvimbo inozivikanwa yekuchengetedza chikafu chinowedzera. Inogona kushandiswa seyakakwenenzverwa, Stabilizer uye Moisturizer kuti aroze, chengetedza mvura, uye kuvandudza kuravira. Inoshandiswa zvakanyanya munyika dzakasimukira, kunyanya nekuda kwekudzora chikafu, Colagen Casings
Cellulose ether gadziriro yekugadzira
1. Hydroxytlyl methylcellose
Nzira yekugadzirira yeHydroxytHyl methylcellose, iyo nzira ndeyekushandisa yakanatswa machira seyakaisa zvinhu uye ethylone oxide kuti gadzira hydroxyllELcellose. Iyo huremu zvikamu zvezvishandiso zvekugadzirira hydroxyl methyl methyl cellence yeClacial acetic acid; Matanho chaiwo ndeiyi:
Nhanho yekutanga, mune reaction kettle, wedzera toluene uye isopropanol musanganiswa, mvura uye sodium hydroxide, kupisa kusvika pamakumi matanhatu emaminitsi 20-30 maminitsi makumi maviri;
Nhanho yechipiri, kushomeka: Kutonhorera zviri pamusoro apa kusvika 30-50 ° CTTON, SPRAY COTUENE uye ISOPREPEL SILVENT, Zadza Nitrogen ye3 Kutsiva, uye ita Alkali mushure mekutsiva. Alkalinization, mamiriro emhando yepamusoro ndea: Alkalization nguva ndeye maawa maviri, tsalization tembiricha ndeye 30 × 50 ℃;
Nhanho yechitatu. Nhanho yekutanga yekuziya: 40-60 ° C, 1.0-2. maawa0 maawa, kudzvinyirira kunodzorwa pakati 0.150.3mpa; Chikamu chechipiri chekutsaukira: 60 ~ 90 ℃, 2.0 ~ maawa 2,5, kudzvinyirira kunodzorwa pakati pe 0.40.8mpa;
Nhanho yechina, kusarerekera: Wedzera yakayera acetic acetic Acced pachisikwa, simudza tembiricha kusvika 102. Iyo Desolventization Tank inozadzwa ne90 ℃ ℃ ℃ ℃ ℃ ℃ Tap yemvura yakarapwa neiyo reverse osmosis mudziyo;
Nhanho yechishanu, iyo Centrifugal Washing: Zvinyorwa zviri muChinyorwa chechina chakaiswa mukati mechikamu chakaringana kupfuura, uye zvinhu zvakaparadzaniswa zvinoendeswa kune tangi yekushambidza yakazadzwa nemvura inopisa pamberi pekushambidza zvinhu.
Nhanho yechitanhatu, Centrifugal Kuomesa: Chinyorwa chakashambwa chinoburitswa muChreji yakatwasuka.
Kuenzaniswa neiyo iripo cellulose ether yekugadzira tekinoroji, iyo iripo iripo inoshandisa Ethylyone oxide kuti gadzira hydroxaketl metdroxose, iyo ine yakanaka nyoro yekudzivirira nekuda kweiyo hydroxytem mapoka. Iyo ine yakanaka viscosity kugadzikana uye kunyorovesa kuramba panguva yekuchengetedza kwenguva refu. Inogona kushandiswa pachinzvimbo chevamwe cellulose ana
2. Hydroxypruppropyl methylcellose
.
. Iyo molecular uremu hunobva pa10,000 kusvika 1 500 000.
Post Nguva: Kubvumbi-07-2023