Yintoni umahluko phakathi kwesilwanyana sasekhaya kunye ne-petg?

Isilwanyana sasekhaya, i-polycoventete, isetyenziswa ngokuyintloko kwiifilimu zokufaka ukutya kunye neentsinga ze-leta, phakathi kwezinye iinkqubo. Ngoku iyasetyenziswa njengezinto zokupakisha, kungekuphela kwiibhotile zesoda, kodwa nakwi-Amorphous Pet (Apenet), isilwanyana sasekristali Kule minyaka mihlanu idlulileyo, isilwanyana sase-Ogethiral-Ibanga labo kunye ne-copolysters, njengemveliso entsha yePolymer, isetyenzisiwe kubunjineli kunye nezinto ezikhethekileyo zephakheji, ngokwahlukeneyo.
Impumelelo yesilwanyana kwi-Soda isekwe kubunzima bayo kunye nokungafihlisiyo, izakhono zemfundo, ixabiso elilungileyo loqoqosho, kunye nophuhliso lwetekhnoloji yokuqhubela phambili yebhotile yentsimbi. I-Petore i-Petoiselo ilula, i-shatterproof, iphinde isebenze, kwaye ibe nomoya olungileyo. Ibhotile ye-2-ilitha yesilwanyana esililitha esiyi-2-ilitha i-24% ilula kunebhotile yeglasi efanayo; Ibhotile engenanto inobunzima be-1/10 yebhotile yeglasi yobukhulu obufanayo. Oku kugcina abasebenzi, amandla, kunye neendleko kuwo onke amakhonkco kuMvelisi othengisa umthengi.
I-Chemistry kunye neePropathi

Isilwanyana sasekhaya se-Istyles siveliswa kwi-Terephthayic Acid (i-TPA) ifunyenwe yi-oxidation ye-P-Xylene. I-Terephthayic Acid ihlanjululwe okanye iphinde ihlawulwe nge-methanol ukuya kwi-Dimethyl Terephhthalate (DMT), okanye i-oxid) ye-terephthayic acid (PTA). Enye into esisiseko ye-Peew ye-Ethane, eguqulwa i-Ethylene Glycol (umzekelo) ngokuphendula. Isilwanyana sasekhaya sisifo se-proolymer eyenziwe ngokunyanzeliswa kwe-DMT ye-DMT (okanye i-PTA) kwaye, umz. Inkqubo yoqiqiso eqinileyo ikwenzela imixholo ye-ethanol yepolymer efanelekileyo.

I-PERING RING TERIC inyibiliki malunga ne-480f (), kodwa inyibilikisi ye-iltatine yesilwanyana esiphezulu malunga ne-520f ().

Isilwanyana sasekhaya esisigxina sinamandla amakhulu. Ubunzima kunye nokungafihli, kwaye kuyachasana ne-acid ebuthathaka, iziseko kunye nezinyibilikisi ezininzi.

Amabakala akhethekileyo

I-Solking Shead Pool Cenal I-Pet inokubonelela ngombala oqinileyo, uluhlaza kunye nesilwanyana esityheli. I-polymer enemibala kwi-proactor akufuneki ukuba idityaniswe neziphumo ezibi kwiipropathi zomzimba, kwaye iphucula iyunifomu yombala. I-resins ecocekileyo yokuphila eyahlukeneyo iyafumaneka. I-copolymeds pettollys ikhala kancinci, ebavumela ukuba bavelise iibhotile zeSoda eziphezulu ngaphezulu kweemeko ezahlukeneyo zokulungisa. Isityholo sokutsala i-polymer enobungozi siyafumaneka. Ezi zinto zidibanisa iingenelo zokunyibilikisa okuhle kunye nokukhala kancinci, kwaye zinokuqhubekeka ngokulula kwisixhobo esichanekileyo se-Exturing. Ukomelezwa okwahlukeneyo, ukuhlawula ilangatye kunye nezinye iipolikhi ezikhethekileyo zihlala ziziswa okanye ziguqulwe ukuhlangabezana nezicelo ezitsha.

I-petgI-Copolyster ngomnye umzekelo wenani elikhulu le-copolysters. Ngokungafaniyo ne-PCTA, eguqulwe nge-acid, i-petg yiPolymer ye-Diol-eguqulwe nge-diolmer eyenziwe ngokudibanisa i-chdm diol ene-TPA (Terephhthayic acid) kunye ne-Ethylene Glycol. I-petg compolymers inokubunjwa okanye ikhutshiwe kwaye ihlala ihleli i-amorphous, ebonakalayo kwaye ingenamibala ngaphandle kwamacandelo amakhulu.

Inenkukhubatho enkulu, ubunzima kunye nobuchule obulungileyo, nakumaqondo obushushu asezantsi. Ukudityaniswa kokungafihlisi, ukuqina kunye nokunyibilikisa amandla okunyibilikisa kwenza kube luncedo kwinaliti, ukubetha nokubetha kunye nokuphuma kweeprofayili, imibhobho, iifilimu kunye namashiti. I-PETG iyafumaneka kwifom engafakwanga okanye ngee -overs ezahlukeneyo, kubandakanya iiarhente zokukhupha, i-Masterbatches, kunye neendlela zempembelelo zenaliti.

I-PETG kufuneka yomiswe nge-120-160f malunga neeyure ezingama-4-6 ngaphambi kokubumba okanye ukuphuma. Kuzo zombini iinkqubo, ukulinganisa amaqondo obushushu aqingqiweyo ukusuka kwi-420f ukuya kwi-510f. Ixesha lokubanjwa kwezixhobo zokulungisa kumaqondo obushushu aphezulu kufuneka abe mfutshane kangangoko kunokwenzeka ukuthintela ukonakala kakhulu. Inaliti yokubumba kufuneka yenziwe kumatshini oxineneyo, efuna i-prey nganye ibe ngama-50% ukuya kwi-80% yomthamo wayo.

I-PETG inokuthathwa kwaye ivuthuza ibunjwe ngamaqondo obushushu aphakathi kwe-400-450f ukwenza iibhotile ezibonakalayo zeShampoo, iimveliso ezingamanzi, ii-oyile ze-hygiene, kunye nokupakishwa kokutya. Esi sixhobo sihlangabezana nemigangatho ye-FDA yokunxibelelana nokutya.

Ukupheliswa kunokuvelisa uluhlu olubanzi lweeprofayili, kunye neetyhubhu, iifilimu, kunye namashiti, kubandakanya ukupakishwa kwesixhobo sonyango. I-PETG kunye ne-PCTA inokutshintshwa kunye ne-Ethylene oxide kunye ne-Y.

Xa isetyenziselwa inaliti yokubumba, i-petg ihlala iqhubekeka kuluhlu lobushushu lwe-450-10f, ngeqondo lobushushu elimalunga nama-70-130f. Izicelo zangoku zibandakanya izixhobo zokugubungela, izihlangu zomatshini, izikhongozeli ze-cosmetic, izikhombisi zesixhobo se-lever, zibonisa izinto kunye neethoyi.

I-PET isetyenziswa ikakhulu kwisoda kunye nephaketha ethambileyo. Isilwanyana sasekhaya siphantse sibe yi-100% yentengiso ye-2-ilitha le-2-ilitha, kunye ne-1.5-ilitha, i-1-ilitha, i-1-ilitha, i-0.5 yeelitha kunye neebhotile ezincinci zezilwanyana kwaye zamkelwe ngokubanzi.

Isilwanyana sasekhaya sisetyenziswa ekutyeni, utywala, isicoci. Ibango lesilwanyana sasekhaya kulindeleke ukuba liqhubeke likhula kwiziselo ezingacacanga kunye nokupakishwa kwemveliso yemveliso. Ukutya okupakishwe kubandakanya i-istard, iimveliso zerabha, ibhotolo yamandongomane, ii-oyile zokupheka, ioyile yokupheka, i-cocktails kunye nejusi egxile. Imibala emitsha, ngakumbi imibala ye-Webber, iyathandwa kwiphakeji yamayeza, iivithamini kunye neziqwengana.

Esona sicelo sintsha kwaye sikhawulezayo esikhuwulezayo kwizitya zezilwanyana zokutya okanye ukupakisha isiselo, ezifuna ukuzaliswa kubushushu obuphezulu. Ukutya okuninzi, ngakumbi iziqhamo okanye ukutya okanye iziselo ezinomxholo weziqhamo omkhulu, kufuneka zifakwe kwi-180f okanye ngaphezulu. Oku kubonelela nge-palurrization (intsholongwane) yemveliso kunye nesikhongozeli ngexesha lokugcwalisa. Izikhongozeli eziqhelekileyo ezizizo, ezinjengeengxowa zesoda nakwiziselo ezithambileyo, zithambekele kwaye zinciphise kwaye zifakwe xa ziphantsi kwe-160f, ekubangelwa kukuphumla koxinzelelo oluthile. Uxinzelelo loxinzelelo luveliswa ngexesha lokuvuthuza ukubumba kwesikhongozeli. Itekhnoloji iphuhlisiwe ukuphucula ukumelana kobushushu ngexesha lokuqhutywa kwetekhnoloji yetekhnoloji. Kuxhomekeka kwitekhnoloji ethile yokuqhubela phambili, kukho iinkcukacha ezininzi zetekhnoloji, ezinobuchule obukhulu, ezisekwe apho izikhongozeli zilungele ukuzalisa i-190-195f inokuveliswa. Iimveliso ezifuna ukupakisha kunye nolu phawu lubandakanya iijusi ezinyulu. Iziselo eziphezulu zejusi, iitiya, iziselo ezithile zezemidlalo, izicando, iijusi ezihlanganisiweyo kunye namanzi athile amanqayi.

Ezinye iindlela zokuphela kwezilwanyana zisetyenziswa ngokubanzi kwi-Extriusion Coating kunye neFilimu yeFilimu kunye neShekhi. Isilwanyana sasekhaya sisetyenziswa njengezinto ezikhathazayo zokuzihlonipha ukulungiselela ukupakishwa kwePhepha leBhodi yeBhodi. Ukongeza, isilwanyana se-crystalline (i-crystalline (i-cgner) inokusetyenziswa njengempahla esisiseko yokwenza iitreyi ze-oveni.

PET film is usually biaxially oriented and used as X-ray and other photographic films, meat and cheese packaging, magnetic tapes, electrical insulation, printing plates and bottle packaging bags. Isilwanyana sasekhaya sikwasetyenziswa njengezinto zeteyiphu yemveliso. I-non-rystallline, ifilimu yesilwanyana esingathobeliyo kunye nephepha liqala ukusetyenziselwa ukwenza izikhongozeli, iitreyi, iimveliso ze-foam kunye neendebe zesiselo.

ISISHWANKATHELO ESIPHAKATHI