HydroxytHyl Cellulose (Hec) is is is is is-ionic, yemvura-yakadzika-mvura polymer yakatorwa kubva ku cellulose. Inoshandiswa zvakanyanya mumaindasitiri akasiyana-siyana, kusanganisira mainominores, kwainobatira seyekuita mumiririri, rheology modifier, uye stabilizer. Kugona kwaHec kusimudzira visikopa kwemanomweya kunokosha kune akawanda mashandisiro ekunyorera, kuona iyo chaiyo application, kuita, uye kuzere kwechigadzirwa chinonamatira.
Zvivakwa zveHydroxyTHLYL Cellelose
HEC inogadzirwa nekuita cellulose neEtralene oxide pasi pealkaline mamiriro, zvichikonzera polymer ine hydroxyteth mapoka akasungirirwa kune cellulose backbone. Dhigirii rekutsiva Iyo DS inoreva iyo nhamba yepakati yeiyo hydroxyl mapoka pane cellulose molecule mapoka ehuma
Hec inoonekwa nekunyoreswa kwayo mumvura, kuumba mhinduro dzakajeka uye dzinoonekera neyekumusoro nekwakakwirira viscosity. View viscosity inokurudzirwa nezvikamu zvinoverengeka, kusanganisira smeuright uremu, kusangana, tembiricha, uye iyo pH yemhinduro. Uremu hwemanyorerwe hweheti hunogona kubva pane zvakaderera kusvika pakakwirira zvakanyanya, uchibvumira kuumbwa kweanonamatira neakasiyana viscosity zvinodiwa.
Michina yemuchero wekuvonekwa kweviscosity
Hydration uye kuzvimba:
Hec inowedzera kuomerera viscosity kunyanya kuburikidza nekugona kwayo kuHydrate uye kuzvimba mumvura. Kana HEC yakawedzerwa kune iyo yakavezwa yekuzvinamatira, iyo hydroxyl mapoka anokwevera mamalekyudhi emvura, zvichitungamira mukuzvimba kwemaketani emapolmeri. Uku kuzvimba kunowedzera kupokana kwemhinduro kuyerera, nekudaro kuri kuwedzera zvavakaita. Kukura kwekuzvimba uye kusanzwisisika viscosity inokurudzirwa nePolymer Constrenration uye inorema uremu hweec.
Mamorekuru emumukuru:
Mukugadzirisa, herc polymers inopinda nekuda kwekodzero yavo refu-tambo. Iyi insanglement inogadzira network iyo inokanganisa kufamba kwemamorekuru mukati mekunamatira, nekudaro kuwedzera zvevisa. Yakakwira molecular uremu hecunti yakaguma nekuwanda kwakanyanya uye yakakwira viscosity. Dhigirii rekunzwa rinogona kudzorwa nekugadzirisa iyo polymer yekusimbisa uye iyo smecular uremu hwehekisi yakashandiswa.
Hydrogen Kubatanidza:
Hec inogona kuumba hydrogen zvisungo zvine mamorekuru uye zvimwe zvikamu mukuumbwa kwekunamatira. Aya maHydrogen zvisungo zvinopa kune viscosity nekugadzira yakanyanya kurongeka network mukati memhinduro. Iyo hydroxyethyl mapoka pane iyo cellulose backbone inosimudzira kugona kuumba hydrogen zvisungo, kuwedzera kuwedzera zvevisiko.
Shear-kuonda maitiro:
Hec inoratidzira Shear-kuonda maitiro, zvichireva viscosity inoderera pasi pekushushikana. Ichi chivakwa chinobatsira mukunyomba zvinonyadzisa nekuti zvinotendera kuti ishandiswe nyore pasi pejecha (sekuparadzira kana kugeza) uchiramba wakakura, uchiita kuti kugadzikana kwakanaka uye kugadzikana. Maitiro esheya-anotetepa ehec anofungidzirwa nezvekuenderana kwemaketani emapolymer nenzira yesimba rinoshandiswa, achideredza kuramba kwemukati kwechinguva.
Zvikumbiro mukuzvinamatira mafomu
Mvura-yakavakirwa madekisheni:
HEC inoshandiswa zvakanyanya mumvura-yakavakirwa mvura, senge idzo dzepepa, dzinza, uye huni. Kugona kwayo kutambisa uye kusimbisa kuumbwa kwekunamatira kunoita kuti zvive zvisizvo zvakasanganiswa uye zviri nyore kushandisa. Mune mapepa uye kurongedza majee, hec inopa iyo inodiwa viscosity yekunyorwa kwayo uye kusanganisa simba.
Maimba yekuvaka:
Mumanomano ekuvaka, akadai seaya anoshandiswa kuiswa kwetile kana madziro ekuvhara, hec anowedzera visikoka, achivandudza kushanda kwaAinderive uye Sag kuramba. Chiitiko chakakora chehec chinovimbisa kuti kunamatira kunogara munzvimbo yekunyorera uye kunogadza nemazvo, kupa musungo wakasimba uye unogara.
Cosmetic uye yekutarisira pachako anoshomeka:
HEC inoshandiswawo mune cosmetic uye yemunhu zvigadzirwa zvekutarisira izvo zvinoda zvinonamira zvivakwa, zvakadai mubvudzi rebvudzi rebvudzi uye kumeso kumeso. Mune izvi zvekushandisa, hec inopa yakatsiga uye yunifomu yekuenderana, ichisimudzira chiitiko chechigadzirwa uye mushandisi ruzivo.
Mishomasi:
Muindasitiri yemishonga, hec inoshandiswa mune transdermal patches uye zvimwe zvekutumira zvinodhaka zvinodzorwa zvevisa zvinotsigirwa zvakakosha pakuita kwezvinoshambadza. HEC inovimbisa kuti iyo inonamatira denderedzwa yunifomu, ichipa zvinowirirana zvinodhaka uye kuomerera kune ganda.
Zvinhu zvinokanganisa kuvenga kwevisikoka
Kusimbisa:
Iko kusvinura kwehwanda mune yekunamatira kuumbwa kwakananga zvakananga kune viscosity. Nzvimbo dzakakwirira dzechikadzi dzinoguma nekuwedzera viscosity nekuda kwekuwedzera kwakakosha polymer takesiction uye kupinda. Nekudaro, zvakanyanyisa kutarisisa kwakanyanya kunogona kutungamira kugwenga uye kuomerwa mukugadzirisa.
Solley Huremu:
Iyo smecular uremu hwehimwe heccheni chinhu chinoshoreka mukutsvaga iyo yekunamatira yekuzvinamatira. Yakakwira molecular uremu hec inopa yakakwira viscosity pane yakaderera kutarisisa kuenzaniswa nehuremu hwakaderera uremu. Sarudzo yehuremu hwemanyorerwe inoenderana neyekudiwa viscosity uye zvinodiwa application.
Tembiricha.
Tembiricha inokanganisa iyo visikopa yemhinduro dzehec. Sezvo tembiricha inowedzera, viscosity kazhinji inoderera nekuda kwekudzikiswa muHydrogen kusungwa uye kuwedzera molecular kufamba. Kunzwisisa tembiricha-viscosity hukama kwakakosha kuti zvibodzwa zvinoratidzwa nekusaita tembiricha dzakasiyana siyana.
Ph:
Iyo pH yeiyo inonamatira inoumbwa inogona kupesvedzera visikopa yehec. HEC yakagadzikana pamusoro peyakafara pH Range, asi zvakanyanyisa PP mamiriro anogona kutungamira kuchinja mune yePolymer chimiro uye viscosity. Kugadzira maitiro mukati meiyo yakakwana ph range inosimbisa kushanda kwayo.
Zvakanakira kushandisa hydroxytHyl cellulose
Isiri-Ionic Nature:
Iyo isiri-ionic chimiro chehec inoita kuti ienderane neyakaenzana akasiyana ezvimwe zvikamu zvekunamata, kusanganisira vamwe polymers, surfacts, uye elekitori. Uku kuwirirana kunobvumira kune zviitiko zvinoshamisa zvinonamatira.
Biodegradability:
Hec inotorwa kubva ku cellulose, yakasikwa uye inovandudza zviwanikwa. Iyo bioDogradable, ichiita kuti isarudzo yemamiriro ekunze ekunamatira mafambiro. Kushandisa kwayo kunoenderana nekukura kwekuda kwezvinhu zvakanaka uye eco-hushamwari zvigadzirwa.
Kugadzikana:
Hec inopa kugadzikana kwakanakisa kune inonamatira mafomu, kudzivirira chikamu chekupatsanurwa uye kugadzirisa zvinhu zvakasimba. Uku kugadzikana kunozivisa kujaira kunoramba kuchishandiswa muhupenyu hwayo hwesherufu uye panguva yekushandisa.
Firimu-inogadzira zvivakwa:
HEC inogadzira mafirimu anochinja uye anowoneka pakuoma, ayo anobatsira kuti anyambadze application inoda kujekesa uye inochinjika bond mutsara. Ichi chivakwa chinonyanya kubatsira pakushandisa senge mavara uye matepi.
Hydroxethyl cellulose inotora basa rakakosha mukuvandudza zvevisikopo kuburikidza neiyo nzira dzakadai se hydration uye kuzvimba, magetsi ekuzvidza, hydrogen kusungwa, uye shear-yekufungidzira maitiro. Zvivakwa zvayo, kusanganisira solubility, isiri-ionic nature, biodergradability, uye firimu kugona, ita sarudzo yakakodzera yekunyomba kwakasiyana-siyana. Kunzwisisa zvinhu zvinokanganisa kusimudzira kwehukora Maindasitiri achiramba achitsvaga zvekusimudzira uye zvakakwirira-kuita zvinhu, hec anoramba ari chinhu chakakosha mukuumbwa kwezvigadzirwa zvepamberi zvinyoronyoro.
Kutumira Nguva: May-29-2024