Kuyerwa kwePolymeter viscosity kunogona kuita kana kuputsa maitiro ese ekugadzira PET. Kune avo vakanyura muindasitiri yePET, kuchinja kubva panzira dzakaoma dzemaoko kuenda kune tekinoroji dzemazuva ano kunoratidza danho guru rekubudirira, mhando, uye kuchengetedzeka.Lonnmeter Tuning Fork Viscometerinobuda senzira yekuchinja mutambo, ichipa ruzivo rwechokwadi panguva chaiyokusimba kwepolymerizvo zvinopa simba vagadziri kuti vagadzirise zvese zvavanoita.
Kukosha kwekuyerwa kwePET Viscosity
Iyoviscosity yepolymersePET haisi nhamba chete, ichiratidza kuti polymer yakanyungudutswa inoyerera sei, kuti mabhodhoro anochengetedza sei chimiro chawo, kana kuti fiber dzinochengetedza sei simba radzo.kuyerwa kwe polymer viscosityinoita kuti zvigadzirwa zvako zvePET zvisvike padanho rekugara kwenguva refu, kujeka, uye kushanda zvakanaka muzvinhu zvakaita sekurongedza, machira, uye mapurasitiki einjiniya. Nekushandisa chishandiso chekuyera viscosity che inline intrinsic, unowana mukana wekudzivirira zvikanganiso, kuderedza marara, kunyanya kana uchishandisa PET yakadzokororwa (rPET).
Chii chinonzi Polyethylene Terephthalate?
Polyethylene terephthalate, kana kuti PET, ipolyester inogadzirwa nethermoplastic inobva mukusanganiswa kweterephthalic acid ne ethylene glycol, inozivikanwa nekusanganiswa kwayo kwakasiyana-siyana. Chidziviriro chayo chakasimba pakurwisa magasi nehunyoro, pamwe chete nesimba rayo guru remuchina uye kujeka kwemaziso, chinoita kuti ive chinhu chinosarudzwa pane zvese kubva kumabhodhoro ezvinwiwa kusvika kuzvinhu zvemotokari.viscosity yemukati yePETinoenderana zvakananga nehuremu hwayo hwemamorekuru, zvichiratidza kana yakakodzera fiber dzemachira dzine viscosity yakaderera (0.4–0.7 dL/g) kana mabhodhoro ane viscosity yakakwira (0.7–0.85 dL/g). Sezvo urefu hwecheni huchikura panguva yekugadzira, ndizvo zvinoitawoviscosity yepolymer, ichigadzira kugona kwayo kushandiswa uye ichigonesa mashandisirwo akagadzirirwa zvinoenderana nezvinodiwa zvakasiyana-siyana zveindasitiri, kusanganisira kuwedzera kwekubatanidzwa kwezvinhu zvakadzokororwa.
Chii chinonzi Intrinsic Viscosity yePET
Iyoviscosity yemukati yePETichiyero chakakosha chinosiyanisa mupiro wemamorekuru epolymer mumafambiro ekuyerera, anoratidzwa muma deciliters pa gram (dL/g). Inoratidza huwandu hwehydrodynamic hwePET chains mu dilute solution, inoshanda sechiratidzo chakavimbika chehuremu hwemamorekuru pasina mhedzisiro inovhiringidza yehuwandu. Semuenzaniso, mamakisi emucheka anowanzo tangira pa 0.4 kusvika 0.7 dL/g, nepo mapurasitiki einjiniya achida 1.0 kusvika 2.0 dL/g. Iyi parameter inotungamira ma processors mukufanotaura maitiro ekunyunguduka, simba remakanika, uye kukodzera kwemamwe mashandisirwo. Kusiyana kwekristaro kana kuora kunogona kukanganisa.viscosity yemukati yePET, zvichiita kuti kuyera kwakarurama kuve kwakakosha pakuona kuti PET streams dzakagadzirwa zvakanaka uye dzakadzokororwa, kuchengetedza mhando yechigadzirwa uye kuvimbika kwemaitiro acho.
viscosity yemukati memhuka inovaraidza
Kupenya kwemukati kwePET zvichienderana nekushandiswa kwayo
Maitiro Ekuyera Kusviba Kwemukati mePET Nguva Dzose
Kuyerwa kwe viscosity yemukati menguva chaiyo yePET kuchinja kubva panzira yekushanda nesimba kuenda kune yekushanda nesimba, zvichipa mukana wekupinda mumaitiro epolymerization panguva chaiyo.sanganisa mhinduro yekusviba kwemapolymerskuyedza, uchishandisa magirazi e capillary viscometers, kunoda kugadzirira sampuro nemaoko uye huwandu hwakawanda hwe solvent, zvichideredza kugadzirwa.
Mutsetsemaviscometer e polymer, seLonnmeter, inochinja izvi nekubatanidza zvakananga muma reactors kana mitsetse ye extrusion, ichiyerakusimba kwepolymerkuburikidza ne resonant frequency shifts mu tuning fork sensor. Ma aliquots madiki emuenzaniso anoongororwa nguva dzose, ne relative viscosity ratios inoverengwa uye inotorwa kuti ienderane neviscosity yemukati yePETuchishandisa mamodheru akaita seSolomon-Cutà equation. Kubhadharwa kwekupisa kunovimbisa kururama, zvichibvumira vashandisi kugadzirisa maparamita ekuita nekukasika, zvichiwedzera kudzora huremu hwemamorekuru uye kugadzikana kwemaitiro.
Matambudziko mukuyerwa kwePET Viscosity
Kuyerakusimba kwepolymerMukugadzirwa kwePET kwakazara nematambudziko anoda mhinduro dzakaoma. PET inoshandiswazve (rPET) inounza shanduko nekuda kwekusagadzikana kwekuwana zvinhu, zvichikonzera kusagadzikana.viscosity yepolymerkuverenga kunogona kukanganisa mashandiro. Magiredhi ekristaro akakwirira anoda kunyungudika patembiricha iri pamusoro pe100°C, zvichikonzera njodzi yekutsemuka kwecheni nekuputsika kwechinhu chinoshanduka-shanduka.viscosity yemukati yePETmhedzisiro. Yechinyakaresanganisa mhinduro viscosityNzira idzi hadzingotore nguva chete asi dzinoisawo vanodzishandisa muzvinhu zvinonyungudutsa zvine njodzi zvakaita sephenol kana tetrachloroethane, zvichikonzera njodzi dzekuchengetedza. Pamusoro pezvo, kubatanidza solution viscosity nekunyungudutsa viscosity pasi pemamiriro ekugadzirisa akanyanya kunoramba kwakaoma, nepo hydrolysis inokonzerwa nehunyoro inogona kuderedza viscosity, zvichiita kuti kudzora mhando kuve kwakaoma. Zvipingamupinyi izvi zvinoratidza kudiwa kwemasystem ega ega, ari mukati memota kuti ape data rakavimbika uye renguva chaiyo.
- Kuchinja-chinja mu rPET: Manyuko akasiyana-siyana anokonzera kusawiriranakusimba kwepolymer, kuoma kwekubatana kwemapoka.
- Kuora kwekupisa: Tembiricha yakanyanya kunyungudika inogona kudzikiraviscosity yemukati yePETkuburikidza nekuchekwa kwecheni.
- Njodzi dzezvinonyungudutsa: Nemaokosanganisa mhinduro yekusviba kwemapolymerskuyedzwa kunowedzera mukana wekusangana nemakemikari ane chepfu.
- Kusashanda zvakanaka kwenguva: Nzira dzechinyakare dzinononotsa ongororo, dzichinonotsa kugadzirisa maitiro.
- Kuvimba nekuchekwa kweganda: Kusiyana kuripo pakati pemvura inonyunguduka nekunyunguduka kunoita kuti fungidziro dziome.
- Kunzwa kwehunyoro: Kunyungudika kwemvura panguva yekubuda kwemvura kunoderedzaviscosity yepolymer, zvichikanganisa mhando.
- Kudzora tembiricha: Kuripa kwakakwana kwakakosha kudzivirira zvikanganiso zvekuyera.
Sei Kuongororwa Kwekusviba Kwepamhepo Kuchikosha Mukugadzirwa kwePET?
Kuongororwa nguva dzose kwekusimba kwepolymerInoshandura kugadzirwa kwePET nekupa nzira yekuchinja huremu hwemamorekuru, zvichiita kuti pave nekudzora kwakarurama uko bvunzo dzebatch dzisingagoni kuenderana nako. Nzira iyi inoita kuti nhanho yega yega yepolymerization—kubva pakuita kwemonomer kusvika pakugadzirisa kunyunguduka—ienderane nezvinodiwa, ichideredza kutsauka kunogona kukanganisa kunaka kwechigadzirwa. Nekubatanidzapolima ye viscometer iri mukati, vagadziri vanovhura mabhenefiti akawanda anowedzera kushanda zvakanaka, kuchengetedzeka, uye kuchengetedzeka, zvichiita kutinzira yekuyera viscosity yemukati mePETmukana wekugadzira zvinhu zvemazuva ano.
- Kudzorwa kwemaitiro kwakawedzerwa kuburikidza nekuongorora kuri nani: Nguva chaiyokuyerwa kwe polymer viscosityinobvumira kugadziriswa nekukurumidza kwemamiriro ekuita, zvichiita kuti ketani ikure nguva dzose.
- Hunhu hwechigadzirwa hwakavandudzwa uye kutambisa kushoma: Kuonekwa kwekutanga kwekusarongeka kwe viscosity kunoderedza zvikwata zvisiri zve spec, zvichiwedzera goho uye zvichideredza kurasikirwa kwezvinhu.
- Kuderedzwa kwekushandiswa kwesimba: Maparamita akagadziriswa anodzivirira kugadzirwa zvakanyanya, zvichideredza kushandiswa kwesimba muma reactors nema extruders.
- Kuchengetedzwa kwevashandi kwakawedzerwa: Masisitimu anoshanda otomatiki anoderedza kubata kwezvinonyunguduka zvinopisa uye zvinonyungudutsa zvine chepfu, zvichiwedzera kuchengetedzeka panzvimbo yebasa.
- Kukurumidza kupindura kune zvinogumbura: Zvishandiso zvemhinduro zvinokurumidza zvinogonesa kugadzirisa nekukurumidza, zvichichengetedza kufamba kwekugadzirwa.
- Rutsigiro rwekubatanidzwa kwerPET: Kutarisa nguva dzose kunosimbisaviscosity yepolymermunzizi dzakadzokororwa, zvichiita kuti zvive nyore kushandisa.
- Kushanda zvakanaka kwemutengo: Kuongororwa kushoma kwerabhoritari kunoita kuti mashandiro afambe zvakanaka, zvichideredza mari inoshandiswa pabasa.
Dzidza NezveMamwe Mamita Ehuremu
Mamwe Mamita Emaitiro Epamhepo
Lonnmeter Tuning Fork Viscometer
IyoLonnmeter Tuning Fork Viscometeryakagadzirirwa kugadzirisa zvinodiwa zvekuyerwa kwe polymer viscositymukugadzirwa kwePET, zvichipa kururama uye kugara kwenguva refu kusingaenzaniswi. Iine viscosity range iri pakati pe1 kusvika 8,000 cP, kururama kwe±3.0%, uye kudzokorora kwe±1%, inoshanda pasi pekumanikidzwa kusvika 6.4 MPa uye tembiricha inosvika 450°C, iri muIP66-rated enclosure inofambiswa ne24 V DC. Inoburitsa 4-20 mA DC, yakagadzirwa nezvinhu zvakasimba zvakaita se316L stainless steel, Teflon, kana Hastelloy, uye inoenderana neHG20592 flange standards, inoita kuti isanganisirwe zvakanaka mumaindasitiri. Yakasimbiswa kuti haiputike (ExdIIBT4), inopindura mumasekonzi mashanu chete, zvichiita kuti ive yakakodzera kushandiswa panguva chaiyo.viscosity yepolymerkutarisa.
Iyi viscometer inoshandisa chiratidzo cheacoustic kukurudzira forogo yesimbi, iyo inodedera nefrequency yayo yechisikigo ye resonant - frequency yakabatana zvakananga neviscosity yepolymerkana yakabatana nayo. Kuongorora kwema frequency epamusoro, pamwe chete nekuripa tembiricha, kunoita kuti inyatsojekakusimba kwepolymerkuverenga, kudzivirira kupisa kunogona kukanganisa mhedzisiro. Iyi tekinoroji inoita kuti ishande zvakanaka mumamiriro ezvinhu akaoma ekugadzirwa kwePET, kubva kuma reactor akanyungudutswa kusvika kuma extruders ane shear yakawanda.
Mabhenefiti eInline Viscometer
Kushandisa viscometer iri mukati seLonnmeter kutsanangura patsvanzira yekuyera viscosity yemukati mePET, zvichipa mukana wekufambira mberi mukushanda zvakanaka uye kuvimbika zvichienzaniswa netsika dzekaresanganisa mhinduro yekusviba kwemapolymersnzira. Nekupa data rinogara riripo, rinopa simba vagadziri kuti vagadzirise maitiro avo, vaderedze marara, uye vawedzere kunaka kwechigadzirwa, zvese izvi vachienderana nezvinangwa zvekuchengetedza nharaunda kuburikidza nekubatanidzwa kwerPET kwakanaka.
- Kuongorora nekukurumidza: Inocheka nguva yekuyera zvichienzaniswa nekushandisa manualsanganisa mhinduro viscositynzira.
- Kushandiswa kwezvinyungudutsa zvishoma: Inoderedza marara, inoderedza kukanganisa kwezvakatipoteredza.
- Dhizaini yakasimba: Inodzivirira kuvharika kwekufamba kwePET kwakakora, zvichiita kuti ishande kwenguva.
- Kunyatsorongeka: Inowana RSD iri pasi pe1% kana yakavimbikakusimba kwepolymerdata.
- Kushandiswa kwakasiyana-siyana: Inobata PET isina kucheneswa uye yakadzokororwa zviri nyore.
- Kuchengetedza mari: Inoderedza zvigadzirwa zvisina tsananguro uye mari yekuyedza murabhoritari.
- Kusimudzira kuchengetedzeka: Inotsigira kushandiswa kwepamusoro kwe rPET nekudzora mhando nguva dzose.
Sei uchigutsikana nechinhu chekare, chine manualkuyerwa kwe polymer viscositykana uchikwanisa kushandisa simba reLonnmeter Tuning Fork Viscometer? Simudzira maitiro ako nekunyatsorongeka, kuderedza marara, uye kuchengetedzeka kwakawedzerwa. Taura nesu izvozvi kuti uongorore kuti tekinoroji iyi ingashandura sei kugadzirwa kwePET yako, ichivimbisa mhando yepamusoro uye kushanda zvakanaka. Ita chimwe chinhu nhasi—kubudirira kwako kunotevera kwakakumirira!
