Gupima ubukana bwa polimetero bishobora gutuma cyangwa gusenya inzira yose yo gukora PET. Ku bantu bakomeye mu nganda za PET, guhinduka kuva ku buryo bugoye bwo gukoresha intoki kugera ku ikoranabuhanga rigezweho bigaragaza intambwe ikomeye igana ku musaruro, ireme, no kurambye.Viscometer yo Gutunganya Iforogo ya Lonnmeterigaragara nk'ikintu gihindura ibintu, itanga ubumenyi mu buryo bwihuse kuubukana bwa polimabiha imbaraga abakora ibikorwa byabo kugira ngo barusheho kunoza ibikorwa byabo byose.
Akamaro ko gupima ubukana bwa PET
Itsindaubukana bwa polimanka PET si umubare gusa, ugena uburyo polymer ishongeshejwe itemba, uburyo amacupa agumana imiterere yayo, cyangwa uburyo insinga zigumana imbaraga zazo.gupima ubukana bwa polimaigenzura ko ibicuruzwa byawe bya PET byujuje ibisabwa kugira ngo birambe, bisobanuke neza, kandi bikore neza mu bikorwa bitandukanye nko gupakira, imyenda, na pulasitiki by’ubuhanga. Ukoresheje igikoresho cyo gupima ubukana bw’umubiri giteye imbere, ubasha kwirinda inenge, kugabanya imyanda, cyane cyane iyo ukoresheje PET ishobora kongera gukoreshwa (rPET).
Polyethylene Tereftalate ni iki?
Polyethylene terephthalate, cyangwa PET, ni polyester ikoze muri thermoplastic yakomotse ku gushonga kwa aside terephthalate na ethylene glycol, izwiho uruvange rwayo rudasanzwe. Ifite ubushobozi bwo kwirinda imyuka n'ubushuhe, hamwe n'imbaraga nyinshi za mekanike n'uburangare bw'urumuri, bituma iba ibikoresho bikundwa cyane kuva ku macupa y'ibinyobwa kugeza ku bikoresho by'imodoka.ubukana bw'umubiri wa PETbifitanye isano itaziguye n'uburemere bwa molekile yayo, bigasobanura niba ikwiriye imigozi y'imyenda ifite ubukana buke (0.4–0.7 dL/g) cyangwa ubwoko bw'amacupa afite ubukana bwinshi (0.7–0.85 dL/g). Uko uburebure bw'urunigi bukura mu gihe cyo gukora, ni nakoubukana bwa polima, igena uburyo bwo kuyitunganya no gutuma ikoreshwa mu buryo bwihariye rihura n’ibikenewe mu nganda zitandukanye, harimo no kwiyongera kw’ibikoresho bishobora kongera gukoreshwa.
Ubwinshi bw'umubiri wa PET ni iki?
Itsindaubukana bw'umubiri wa PETni igipimo cy'ingenzi kigaragaza uruhare rwa molekile ya polymer mu mikorere y'urujya n'uruza rw'amazi, kigaragazwa muri desilita kuri garama (dL/g). Kigaragaza ingano ya hydrodynamic y'iminyururu ya PET mu gisubizo gihindagurika, kikaba ikimenyetso cyizewe cy'uburemere bwa molekile nta ngaruka ziteye urujijo z'ubwinshi. Urugero, amanota y'imyenda akenshi ari hagati ya 0.4 na 0.7 dL/g, mu gihe plastiki z'ubuhanga zisaba 1.0 kugeza 2.0 dL/g. Iki gipimo kiyobora abatunganya mu guhanura imyitwarire yo gushonga, imbaraga za mekanike, n'uburyo ikoreshwa mu buryo bwihariye. Impinduka mu buryo kristali cyangwa kwangirika zishobora guhinduraubukana bw'umubiri wa PET, bigatuma gupima neza ari ingenzi kugira ngo habeho uburinganire mu miyoboro ya PET itarahinduka ndetse n’iy’ikoreshwa mu buryo bushya, birinda ubuziranenge bw’ibicuruzwa ndetse n’uburyo bikorerwamo.
ubukana bw'inyamaswa
Uburemere bw'imbere bwa PET bitewe n'uko ikoreshwa
Uburyo bwo gupima ubukana bw'imbere bwa PET buri gihe
Gupima ubukana bw'umubiri mu gihe nyacyo (Real Time Intrinsic Viscosity) bya PET bihinduka kuva ku buryo busaba imbaraga nyinshi bujya ku buryo bukomeza, bitanga umwanya nyawo wo kwinjira mu nzira ya polymerization.isukari y'umuti wongera ubukana bwa polimeriisuzuma, hakoreshejwe viscometer z'ikirahure, risaba gutegura ingero n'intoki n'ingano nini y'ibinyabutabire, bigatinza umusaruro.
Umurongoviscometer za polimerikimwe na Lonnmeter, ibi bihindura uburyo bwo kubihuza mu buryo butaziguye n'ingufu zikoreshwa mu mashini zikora amashanyarazi cyangwa imiyoboro yo gusohora amazi, bipimaubukana bwa polimabinyuze mu guhinduranya frequency ya resonant muri sensor ya tuning fork. Amasashe make y'icyitegererezo ahora asesengurwa, hamwe n'ibipimo bya viscosity bigereranywa kandi bigashyirwa kuriubukana bw'umubiri wa PEThakoreshejwe moderi nka Solomon-Cutà equation. Kwishyura ubushyuhe byemeza ko ari inyangamugayo, bigatuma abakora porogaramu bahindura ibipimo by'imikorere ako kanya, bikongera kugenzura uburemere bwa molekile n'uburyo ibintu bihagaze neza.
Imbogamizi mu gupima ubukana bw'amatungo
Gupimaubukana bwa polimamu musaruro wa PET harimo imbogamizi zisaba ibisubizo bigezweho. PET ikoreshwa mu kongera gukoreshwa (rPET) itera impinduka bitewe n'uko amasoko adasobanutse, bigatuma habaho kutumvikanaubukana bwa polimaIbipimo bishobora kubangamira itunganywa. Ingano y'ubushyuhe bwinshi isaba gushonga ku bushyuhe buri hejuru ya 100°C, bigatera kwangirika kw'urunigi no kwangirika kw'ibicuruzwa bigahinduka.ubukana bw'umubiri wa PETibisubizo. Gakondoisukari y'umuti wongera ubushyuheUburyo bwo gukoresha ubu buryo ntibutwara igihe gusa, ahubwo bunashyira ababukoresha ku bintu bishobora guteza akaga nka phenol cyangwa tetrachloroethane, bigatera ibibazo by’umutekano. Byongeye kandi, guhuza ubukana bw’umuti mu gushonga ubukana mu gihe cyo gutunganya ibintu byinshi biracyari ingorabahizi, mu gihe ubukana bw’amazi buterwa n’ubushuhe bushobora kugabanya ubukana bw’umuti, bikagorana kugenzura ubuziranenge. Izi mbogamizi zigaragaza ko hakenewe sisitemu zikora kandi zikora ku murongo kugira ngo zitange amakuru yizewe kandi agezweho.
- Ihindagurika muri rPET: Inkomoko zitandukanye zitera kudahuzaubukana bwa polima, ihangana ry’uburyo itsinda ringana.
- Kwangirika k'ubushyuhe: Ubushyuhe bwinshi bwo gushonga bushobora kugabanukaubukana bw'umubiri wa PETbinyuze mu gukata urunigi.
- Ingaruka z'imiti ishongesha: Igitabo cy'amabwirizaisukari y'umuti wongera ubukana bwa polimerigupima byongera ibyago byo kwandura imiti ihumanya.
- Kudakoresha neza igiheUburyo gakondo bugabanya umuvuduko w'isesengura, bugatinza ivugurura ry'imikorere.
- Guterwa no gukaraba: Itandukaniro riri hagati y'umuti n'ubushyuhe bushongeshejwe rigora ibiteganyijwe.
- Uburyo bwo kwiyumvamo ubushuhe: Hydrolysis mu gihe cyo gusohora igabanyaubukana bwa polima, bigira ingaruka ku bwiza.
- Kugenzura ubushyuhe: Kwishyura neza ni ingenzi cyane kugira ngo hirindwe amakosa yo gupima.
Kuki gukurikirana ubukana buhoraho kuri interineti ari ingenzi mu gukora PET?
Gukurikirana buri gihe kuri interinetiubukana bwa polimaihindura imikorere ya PET binyuze mu gutanga uburyo bwo kugenzura uburemere bwa molekile, bigatuma habaho kugenzura neza uburyo igeragezwa rya batch ridashobora guhura nabwo. Ubu buryo bwemeza ko buri cyiciro cya polymerization—kuva kuri monomer reaction kugeza ku gushonga—gihura n'ibipimo by'intego, bigabanye ihindagurika rishobora kwangiza ireme ry'ibicuruzwa. Mu guhuzapolima ya viscometer iri ku murongo, abakora bafungura inyungu nyinshi zituma imikorere myiza, umutekano, n'ubudahangarwa birushaho kuba byiza, bigatumauburyo bwo gupima ubukana bw'umubiri wa PETinyungu y'ingamba mu musaruro ugezweho.
- Kongera uburyo bwo kugenzura ibikorwa binyuze mu isesengura ryiza: Igihe nyacyogupima ubukana bwa polimabituma habaho impinduka zihuse ku miterere y'ingaruka, bigatuma urunigi rukura neza.
- Ubwiza bw'ibicuruzwa bwarushijeho kwiyongera kandi hagasigara ubusa bucye: Gutahura hakiri kare ubusumbane bw'ibimera bigabanya ingano zitari zisanzwe, byongera umusaruro kandi bikagabanya igihombo cy'ibikoresho.
- Ikoreshwa ry'ingufu rigabanuka: Ibipimo byakozwe neza birinda gutunganya cyane, bikagabanya ikoreshwa ry'ingufu mu byuma bitanga ingufu n'ibitanga ingufu.
- Kongera umutekano w'abakozi: Sisitemu zikora zigabanya uburyo bwo gufata ibintu bishyushye n'ibintu bihumanya, bikongera umutekano mu kazi.
- Igisubizo cyihuse ku bibazo: Uburyo bwo gusubiza amakuru ako kanya butuma habaho gukosora vuba, bigatuma umusaruro ukomeza kugenda neza.
- Inkunga yo guhuza rPET: Igenzura rihoraho rigenzuraubukana bwa polimamu migezi ishobora kongera gukoreshwa, bigamije kwemeza ko ihuye.
- Ikoreshwa ry'ibiciro neza: Isesengura rike rya laboratwari rituma ibikorwa birushaho kuba byiza, rigagabanya ikiguzi cy'inyongera.
Menya byinshi ku bipimo by'ubucucike
Ibindi bipimo by'imikorere kuri interineti
Viscometer yo Gutunganya Iforogo ya Lonnmeter
ItsindaViscometer yo Gutunganya Iforogo ya Lonnmeteryagenewe gukemura ibyifuzo byagupima ubukana bwa polimamu gukora PET, itanga ubuziranenge n'ubudahangarwa. Ifite ubushyuhe buri hagati ya 1 na 8.000 cP, ubuziranenge bwa ± 3.0%, kandi ishobora gusubiramo ± 1%, ikora ku gitutu kigera kuri 6.4 MPa n'ubushyuhe bugera kuri 450°C, icumbitse mu gipfunyika gifite IP66 gikoresha 24 V DC. Ifite 4-20 mA DC, yubatswe mu bikoresho bikomeye nka 316L stainless steel, Teflon, cyangwa Hastelloy, kandi ikurikije amahame ya HG20592 flange, ituma ihuzwa neza mu nganda. Yemejwe ko idaturika (ExdIIBT4), isubiza mu masegonda 5 gusa, bigatuma iba nziza mu gihe nyacyo.ubukana bwa polimaigenzura.
Iyi viscometer ikoresha ikimenyetso cy'amajwi kugira ngo itere imbaraga icyuma gihindura imiterere yacyo, kizunguruka ku muvuduko wacyo usanzwe wo guhindukiza—umuvuduko ufitanye isano itaziguye n'uwoubukana bwa polimaihuye na yo. Isesengura ry’inshuro zigezweho, hamwe n’uburyo bwo kwishyura ubushyuhe, ritanga umusaruro ukwiyeubukana bwa polimagupima, kurwanya ubushyuhe bushobora kubangamira umusaruro. Iri koranabuhanga rituma habaho imikorere myiza mu bihe bikomeye byo gukora PET, kuva kuri reactors zishongeshejwe kugeza kuri extruders zikoresha icyuma kinini.
Ibyiza bya Inline Viscometer
Gukoresha viscometer iri ku murongo nk'uko Lonnmeter ibivugauburyo bwo gupima ubukana bw'umubiri wa PET, bitanga intambwe mu mikorere myiza no kwizerwa ugereranije n'ibya keraisukari y'umuti wongera ubukana bwa polimeriuburyo. Mu gutanga amakuru ahoraho kandi ahoraho mu gihe nyacyo, biha imbaraga abakora ibikorwa byo kunoza imikorere, kugabanya imyanda, no kongera ireme ry'ibicuruzwa, byose hamwe bihuza n'intego zo kubungabunga ibidukikije binyuze mu guhuza neza rPET.
- Isesengura ryihuse: Igabanya igihe cyo gupima ugereranije n'igihe cyo gukoresha intokiisukari y'umuti wongera ubushyuheuburyo.
- Gukoresha imiti igabanya ubushyuhe: Bigabanya imyanda, bigabanya ingaruka ku bidukikije.
- Igishushanyo mbonera gikomeye: Irinda kuziba kw'imiyoboro ya PET ikora neza, bigatuma habaho igihe cyo gukora.
- Ubuhanga bwo hejuru: Igera kuri RSD iri munsi ya 1% ku buryo yizeweubukana bwa polimaamakuru.
- Porogaramu ikoreshwa mu buryo bwinshi: Ikora ku buryo bworoshye PET itarahinduka ndetse n'iyasubitswe.
- Kuzigama ikiguzi: Bigabanya amafaranga yo gupima ibicuruzwa bitari ngombwa n'amafaranga yo gupima muri laboratwari.
- Kongera ubushobozi bwo kurengera ibidukikije: Ishyigikira ikoreshwa rya rPET ryinshi hamwe n'igenzura ry'ubuziranenge rihoraho.
Kuki wakwemera ibyashaje, igikoresho gikoreshwa n'umuntu?gupima ubukana bwa polimaigihe ushobora gukoresha imbaraga zaViscometer yo Gutunganya Iforogo ya LonnmeterKongera uburyo bwawe mu buryo bugezweho, ugabanye imyanda, kandi urusheho kugira umutekano. Twandikire ubu kugira ngo umenye uburyo iri koranabuhanga rishobora guhindura umusaruro w’amatungo yawe, rigatuma habaho ireme n’imikorere myiza ku rwego rwo hejuru. Kora uyu munsi—iterambere ryawe ritaha rirakutegereje!
