1. Chigadzirwa chemhando uye zvinyorwa
Kune marudzi akawanda ezvigadzirwa zve cellulose ether, uye marudzi akasiyana ane misiyano iri pachena mukushanda. Common cellulose ethers dzinosanganisira hydroxypropyl methylcellulose (HPMC), hydroxyethyl cellulose (HEC), carboxymethyl cellulose (CMC), nezvimwewo. Zvigadzirwa izvi zvine mashandisirwo akasiyana-siyana uye maitiro maererano nemhando dzakasiyana dzemakemikari uye maitiro ekugadzira.
HPMC: Inonyanya kushandiswa mukuvaka zvinhu, mishonga, chikafu uye mamwe minda, ine yakanaka thickening, firimu-kuumba, kuchengetedza mvura uye adhesion.
HEC: Inoshandiswa zvakanyanya mumachira, zvinonamira, detergents, zvine kukora kwakanyanya, kugadzikana uye kunyungudika kwemvura.
CMC: Inoshandiswa zvakanyanya mukudya, makemikari emazuva ese uye maindasitiri ekugadzira mapepa, uye ine yakanaka kukora uye kudzikamisa mhedzisiro.
Paunenge uchisarudza iyo chaiyo mhando ye cellulose ether, zvinodikanwa kujekesa nzvimbo yekushandiswa kwayo, zvinoshanda zvinodiwa uye zvakatemwa zvakatemwa, senge viscosity, dhigirii rekutsiva, nezvimwe.
2. Viscosity
Iyo viscosity ye cellulose ether zvigadzirwa chiratidzo chakakosha chekuita, icho chinozokanganisa zvakananga rheological properties, solubility uye kushandiswa kwechigadzirwa. Iyo viscosity ye cellulose ether inogona kugadziridzwa zvinoenderana nezvinodiwa zvekushandisa:
Yakakwira viscosity cellulose ether: inonyanya kushandiswa mumashandisirwo anoda kusimba kwakasimba uye kuchengetwa kwemvura kwakakwira, senge dhaka rekuvaka uye zvinonamira. Iyi mhando ye cellulose ether inogona kuwedzera kuchengetwa kwemvura uye kushanda kwezvinhu.
Low viscosity cellulose ether: inonyanya kushandiswa mumashandisirwo ane yakanyanya solubility uye fluidity zvinodiwa, senge machira, detergents uye mamwe minda, ayo anobatsira kunatsiridza fluidity uye pamusoro kutsvedzerera.
Iyo yakakwirira viscosity, zvakanyanya kuoma kunyungudika. Naizvozvo, kusarudzwa kwezvigadzirwa zvine viscosity yakakodzera kunoda kutarisisa kwakazara kwekuvaka kana kugadzirisa mashandiro uye zvinodiwa zvekupedzisira zvigadzirwa.
3. Dhigirii rekutsinhanisa uye kutsiva mhando
Mamiriro emakemikari uye maitiro ekushandiswa kwe cellulose ether zvinoenderana nerudzi uye nhamba yemapoka ayo anotsiva. Iyo dhigirii yekutsiva inoreva chiyero chinotsiviwa nemapoka ehydroxyl mu cellulose molecule, inowanzo ratidzwa seavhareji yenhamba yezvinotsiva paglucose unit (semuenzaniso, hydroxypropyl, methyl, carboxymethyl, nezvimwewo). Rudzi uye dhigirii rekutsiviwa kweiyo inotsiva inokanganisa zvakananga kunyungudika, kukora kugona uye munyu kuramba kwe cellulose ether.
High degree of substitution cellulose ether: ine mvura yakanaka yekunyungudika uye yakaderera gelation tembiricha, yakakodzera maapplication anoda kunyungudika kwemvura kana kuderera kwekushisa.
Yakaderera dhigirii yekutsiva cellulose ether: inogona kunge iine tembiricha yepamusoro yegel uye isina kunyungudika kwemvura, inokodzera mimwe minda yakakosha senge oiri yekuongorora kana tembiricha yakakwira.
Pamusoro pezvo, zvinotsiva zvakasiyana zvinopa cellulose ether dzakasiyana makemikari zvimiro, senge carboxymethyl cellulose ine zvirinani kuramba munyu uye kugadzikana kwemhinduro.
4. Solubility
High-quality cellulose ether zvigadzirwa zvinoda kuva nekunyungudika kwakanaka kuitira kuti zvigone kukurumidza kupararira uye kugadzira mhinduro yakagadzikana panguva yekushandiswa. Solubility inokanganiswa nezvinhu zvakaita seyakatsiva, viscosity, uye saizi yechikamu chechigadzirwa. Yakanaka cellulose ethers inofanirwa kunyungudika nekukurumidza mumvura inotonhora kuti iite yunifomu colloidal solution, uye isingaite agglomeration kana kusagadzikana kupararira.
Zviratidzo zvakadai sekuparara kwehuwandu uye kugadzirisa pachena uye viscosity kugadzikana zvinokanganisa zvakananga kushanda kwechigadzirwa mumashandisirwo chaiwo. Nokudaro, pakusarudza cellulose ether, zvakakosha kusimbisa kana ine yakanyanya solubility uye kugadzikana mukati mepakati inoshandiswa.
5. Kukura kwechikamu
Iyo particle size ye cellulose ether zvigadzirwa zvinokanganisawo chiyero chayo chekunyungudika uye mashandisiro ekushandisa. Fine-particle cellulose ethers inowanzonyungudika nekukurumidza uye inopararira zvakanyanya kuenzana, inokodzera zviitiko zvekukurumidza kuvaka kana kugadzirisa, nepo coarse-particle cellulose ethers inogona kunyungudika zvishoma, asi inogona kuramba yakasimba mune mamwe maapplication.
Kazhinji, saizi ye cellulose ether inoratidzwa pane yechigadzirwa label, uye vagadziri vanogona zvakare kugadzirisa zvigadzirwa zvemhando dzakasiyana siyana zvichienderana nezvinodiwa nemushandisi kuti zvienderane nemaitiro akasiyana ekushanda.
6. Kuchena uye kugadzikana kwehutano hwezvigadzirwa
Hunhu hwe cellulose ether hunokanganisa zvakananga kushanda kwayo kwekushandisa, kunyanya muminda ine zvemhando yepamusoro zvinodiwa senge chikafu nemishonga, kuchena kwechigadzirwa chinhu chakakosha. High-purity cellulose ether inofanira kunge ine tsvina shoma uye haizove nemigumisiro yakaipa pamuvara, kunhuwa, kuravira uye kushanda kwechigadzirwa chekupedzisira.
Mukuwedzera, kugadzikana kwehutano hwechigadzirwa kwakakoshawo. Kuti uve nechokwadi chekuenderana kwechigadzirwa mumabheji akasiyana, zvinodikanwa kusarudza mugadziri ane yakasimba yemhando yekudzora system. Kugara kwenguva refu kwehutano kugadzikana kunogona kuderedza misiyano inogona kuitika panguva yekushandiswa, nokudaro kuve nechokwadi chemigumisiro inowirirana nguva imwe neimwe.
7. Supplier qualifications uye mabasa
Kusarudza yakavimbika cellulose ether supplier zvakare yakakosha. Mutengesi wemhando yepamusoro haafanire kungove nehunyanzvi hwekugadzira uye kutonga kwemhando, asi zvakare kukwanisa kupa rubatsiro rwehunyanzvi hwehunyanzvi uye mushure mekutengesa sevhisi.
Supplier qualifications: Nzwisisa magwaro ekugadzirwa kwemupi, ruzivo rwemuindasitiri, chimiro chetifiketi (senge ISO certification, nezvimwewo) uye kuti ine zvinodiwa here mundima dzine hukama.
Tsigiro yehunyanzvi: Vatengesi vakanaka vanofanirwa kupa nhungamiro yekushandiswa kwechigadzirwa zvinoenderana nezvinodiwa nevatengi kuona kuti vatengi vanogona kushandisa zvigadzirwa nemazvo uye kuwana mhedzisiro yakanaka.
Mushure mekutengesa sevhisi: Izvo zvakakoshawo kusarudza vatengesi vanogona kupa panguva yerutsigiro rwehunyanzvi uye mhinduro dzekugadzirisa matambudziko.
8. Mari uye mari-inobudirira
Mutengo wezvigadzirwa zve cellulose ether unosiyana zvichienderana nemhando, mhando, uye zvakatemwa. Paunosarudza chigadzirwa, haufanirwe kungotsvaga mutengo wakaderera, asi unofanirwa kunyatso funga nezvekuita kwacho, mashandisiro ekushandisa, uye mutengo wekushandisa. Mune zvimwe zviitiko, kunyange zvazvo high-quality cellulose ethers inodhura, inoratidza kushanda zviri nani mukushandiswa, inogona kuvandudza kushanda kwekugadzira kana kuvandudza chigadzirwa chemhando, uye kuva nepamusoro-soro-inoshanda.
Paunenge uchitsvaga zvemhando yepamusoro cellulose ether zvigadzirwa, iwe unofanirwa kunyatso funga nezvemhando yechigadzirwa, viscosity, dhigirii rekutsiva, kunyungudika, particle size, kuchena, uye kugadzikana kwemhando zvinoenderana nezvinodiwa chaizvo zvekushandisa, uye zvakare kuongorora zvinodiwa nemupi nemasevhisi. Chete nekunyatso enzanisa kuita uye kudhura-kugona kwezvigadzirwa zvakasiyana tinogona kuwana akakodzera cellulose ether kuzadzisa zvinodiwa zvemaindasitiri chaiwo uye mamiriro ekushandiswa.
Nguva yekutumira: Sep-13-2024