Abstract:
Mumakore achangopfuura, mafuro emvura akawana kutariswa kwakapararira nekuda kweshamwari yavo yemagariro uye yakaderera voclathile organic compos (voc) zvemukati. HydroxyTHETLELcellose (HEC) ndeye poldu yakashandiswa kwazvo-madiki mune izvi zvekuumbwa, kushanda seyechikamu kuti uwedzere viscosity uye kudzora rheology.
Suma:
1.1 kumashure:
Zvinyorwa zvemvura zvakavakirwa zvave kune zvakatipoteredza dzimwe nharaunda kune imwe nzira yekunyora-sol-based coatings, kugadzirisa matambudziko kwakabatana nekuenderana kwechiitiko chechiitiko uye kukanganisa kwezvakatipoteredza. HydroxyTHETHELLELcellose (HEC) is cellulose dervenative iyo inokosha inokonzeresa mukugadzira marara emvura uye inopa rheology kudzora uye kugadzikana.
1.2 Zvinangwa:
Chinyorwa ichi chinovavarira kusimbisa maitiro ekusimbisa maitiro ehec mumvura inovakirwa mvura uye nekudzidza iyo pesvedzero yezvinhu zvakasiyana pane zvevisangano. Kunzwisisa izvi zvikamu kwakakosha kuti uwedzere kuunganidza mafambiro ekubatanidza uye kuwana zvaunoda kuita.
HydroxytHellylcellose (Hec):
2.1 chimiro uye kuita:
HEC is cellulose inobva yakawanikwa neiyo ertification yekuita cellulose uye ethylyone oxide. Iko kusuma kwehydroxyethyl mapoka muCellulose Backbone inopa kune yayo solubility yemvura uye inoiita polymer yakakosha mumvura-yakavakirwa mvura. Iyo molecular chimiro uye zvivakwa zvehec zvichakurukurwa zvakadzama.
Solubility yeHEC mumvura:
3.1 Zvinhu zvinokanganisa Solubility:
Iyo solubility yehec mumvura inokanganiswa nezvinhu zvakati wandei, kusanganisira tembiricha, pH, uye kusvinura. Izvi zvinhu uye zvavanoita pakubata kwake pahec solubility zvichakurukurwa, kupa nzwisiso mumamiriro ezvinhu anofarira hec kupaza.
3.2 Solubility Limit:
Kunzwisisa kumusoro uye kuderera Solubility miganhu yehec mumvura ndeyekutsoropodza kuumba machira nekuita kwakakwana. Ichi chikamu chinokwevera mumhando yekusangana pamusoro peiyo hec inoratidza yakawanda solubility uye mhedzisiro yekupfuura iyi miganhu.
Simbisa viscossity neHec:
4.1 Basa reHec muViscosity:
HEC inoshandiswa seyakakwenenzverwa mumakandira-yakavakirwa mvura kuti ubatsire kuwedzera viscosity uye kugadzirisa maitiro ekunyepedzera. Maitiro ayo hec anowana kudzora kweViscosity achaongororwa, achisimbisa kubatirana kwayo nemamolekyudhi emvura uye zvimwe zvinoshandiswa mukugadzira mafambiro.
4.2 Mhedzisiro yeFormula Variables pane viscosity:
Kusiyana-siyana mafambiro, kusanganisira hec kusimbisa, tembiricha, uye shear rate, inogona kukanganisa zvakanyanya zvevhiza yemapepa emvura. Ichi chikamu chichaongorora maitiro eaya akasiyana-siyana pane zvevasikidzo zvehekisi ehec ehec kuti ipe nzwisiso inoshanda kune mafungire.
Zvikumbiro uye tarisiro yeramangwana:
5.1 Indust Maindasitiri:
HEC inoshandiswa zvakanyanya mumanyorero akasiyana-siyana maindasitiri akadai sekupenda, kuomerera uye maSalalants. Ichi chikamu chinosimbisa iwo mipiro chaiyo yehec kune marara emvura mune izvi zvekushandisa uye kurukura zvakanakira pane dzimwe nzira dzevamwe.
5.2 Ramangwana Rekutsvaga nzira:
Sezvo kudikanwa kwekusimudzira uye zvakakwirira-kuita zvekuita zvinokura kukura, mune ramangwana rekutsvaga mirayiridzo mumunda weHec-yakavakirwa mafomu ichaongororwa. Izvi zvinogona kusanganisira zvigadzirwa muHEC shanduko, dzidziso yekugadzira maitiro, uye nzira dzepamberi maitiro.
Mukupedzisa:
Kupfupisa zviwanikwa zviwanikwa, chikamu ichi chichajekesa kukosha kwekunyora uye viscosity kudzora mumakororo emvura uchishandisa hec. Chinyorwa ichi chinozopedzisa nezvazvinoreva zvemafomu uye zvinokurudzirwa kuti uwedzere kutsvagisa kunatsiridza nzwisiso yehec muhurongwa hwemvura.
Kutumira Nguva: Dec-05-2023