Views: 95 Author: Sayt Ɛditɔ Pɔblish Tɛm: 2022-04-14 Ɔrijin: Ples
PET na di abrɛvieshɔn fɔ Inglish polyethylene terephthalate. I min polyethylene terephthalate plastic, men wan inklud polyethylene terephthalate PET ɛn polybutylene terephthalate PBT. Polyethylene terephthalate na in bak dɛn kin kɔl polyester resin.
Di mɔlikul strɔkchɔ fɔ PET plastic na ayli simetrikal ɛn i gɛt wan patikyula kristal ɔriɛnteshɔn abiliti, so i gɛt ay film-fɔm ɛn fɔm prɔpati. Pɛt plastic gɛt gud optik prɔpati ɛn wɛda rɛsistɛns, ɛn amorphous pet plastic gɛt gud optik transparency.
Apat frɔm dat, PET plastic gɛt fayn fayn abrashɔn rɛsistɛns, dimɛnshɔnal stebiliti, ɛn ilɛktrik insuleshɔn. Bɔtul dɛn we dɛn mek wit PET gɛt ay trɛnk, gud transparency, nɔ-tɔksisiti, anti-pɛnɛtrɛshɔn, laytwɛt ɛn ay prodakshɔn efyushɔn, so dɛn dɔn yuz dɛn bɔku bɔku wan. di mכlikul chen strכkchכ fכ PBT na di sem we lεk di wan fכ PET, εn mכst pan in prכpati dεm na di sem, εksεpt se di men chen fכ di mכlikul dεm dכn chenj frכm tu mεtilen grup dεm to fכ, so di mכlikul de mכr fleksibul εn di prכsεsin pεrformεns bεtε.
Pet na milky wayt ɔ layt yɔlɔ ayli kristal polima wit wan smol ɛn shayn sɔfays. PET gɛt dɛn tin ya:
1. I gɛt gud krip rɛsistɛns, fatigue resistans, frikshɔn rɛsistɛns ɛn dimɛnshɔnal stebiliti, lɔw wear ɛn ay hadnɛs, ɛn i gɛt di big wan we tranga bitwin tɛmplastik.
2. Gud ilektrikal insuleshɔn pefɔmɛns, smɔl tɛmpracha inflɔɛns, bɔt po korona rɛsistɛns.
3. Nɔn-tɔxik, weta-rɛsistant, kemikal we nɔ de rɔtin, we nɔ de tek bɔku wata, we nɔ de tek wik asid ɛn ɔrganik sɔlvɛnt, bɔt we nɔ de agens di ɔt wata imɛshɔn ɛn alkali.
4. Di glas transishɔn tɛmpracha fɔ di pet rɛsin de ay, di kristalizashɔn spid de slo, di molding saykl lɔng, di molding saykl lɔng, di moldin shrinkage rɛt big, di dimɛnshɔnal stebiliti nɔ fayn, di kristalizashɔn moldin de brit, ɛn di ɔt rɛsistɛns smɔl.
Tru di improvement of nyukliet ejen, kristalizin ejen, ɛn glas fayba riinfɔsmɛnt, PET gɛt dɛn kwaliti ya apat frɔm di prɔpati dɛm fɔ PBT:
1. Di ɔt distɔshɔn tɛmpracha ɛn lɔng tɛm yus tɛmpracha na di ays wan pan di tɛmplastik jenɛral injinɛri plastic dɛn.
2. Bikɔs ɔf in ay ɔt rɛsistɛns, di riinfɔs pet de insay sɔlda bat na 250°C fɔ 10s we nɔ gɛt difɔmeshɔn ɔ diskɔlɔreshɔn, we spɛshal fɔ pripia sɔlda ilɛktronik ɛn ilɛktrik pat dɛn.
3. Di bend strɛngth na 200MPa, di elastik modulus na 4000MPa, di krip resistans ɛn fatigue resistans sɛf rili gud, di surface hardness de ay, ɛn di mɛkanikal prɔpati dɛn fiba di wan dɛn we de na di thermosetting plastic.
4.Since Di prays fɔ ethylene glycol we dɛn yuz fɔ prodyuz PET na ɔlmost af-af smɔl pas di wan we Butanediol yuz fɔ prodyuz PBT, PET resin ɛn riinfɔs PET na di lɔs prays bitwin injinɛri plastic ɛn gɛt ay-kɔst pefɔmɛns.
Di moldin prɔses fɔ pet plastic kin bi injɛkshɔn moldin, ɛkstrushɔn, blo moldin, kɔtin, bɔndin, mashin, ilɛktroplɛtin, ilɛktroplɛtin, vaykum mɛtal pletin, ɛn printin. So, pet kin aplay to ol woks of laif.
1. Film sheet: Ɔl kayn it, mɛrɛsin, nɔ-tɔxik ɛn stɛriyl pak matirial; ay-grɛd pak matirial fɔ tɛkstayl, prɛsishɔn inschrumɛnt, ilɛktrik kɔmpɔnɛnt dɛn; odio tɛp, vidio tɛp, fim fim, kɔmpyuta flopi disk, mɛtal kɔtin, fotosɛnsitiv fim dɛn, ɛn ɔda sabstret dɛn; Ilɛktrik insulin matirial, kapasitɔ fim, fleksibul print sɔrkwit bɔd ɛn mɛmbran switch ɛn ɔda ilɛktronik fil ɛn mɛkanikal fil dɛm.
2. Aplikeshɔn fɔ pak bɔtul dɛn: in aplikeshɔn dɔn divɛlɔp frɔm di fɔs kabɔn drink to di bia bɔtul we de naw, di ɔyl bɔtul we pɔsin kin it, di kɔndimɛnt bɔtul, di mɛrɛsin bɔtul, di kɔsmɛtik bɔtul, ɛn ɔda tin dɛn.
3. Ilɛktronik Aplayans Aksesɔri: Manufakchurin Kɔnɛkta, Kɔyl Bɔbin, Integreted Sakit Haus, Kapasitɔ Haus, Transfɔma Haus, TV Aksesɔri, Tyuna, Switch, Tayma Haus, Ɔtomɛtik Fiuz, Mɔta Brakɛt, Rilay, ɛn ɔda wan dɛn.
4. Ɔto Pat: Switchbɔd kɔva, ignin kɔyl, difrɛn valv, ɛkzoz pat, distribyushɔn kɔva, mɛzhɔmɛnt inschrumɛnt kɔva, smɔl motoka kɔva, ɛn ɔda tin dɛn Dɛn kin mek Pɛt bak as ɛkstirian pat fɔ motoka.
5. Mɛkanikal ikwipmɛnt: Manufakchurin gia, kam, pɔmp haus, pul, motoka freym, ɛn klok pat, bak dɛn kin yuz am as maykrowev ɔvin baking trey, difrɛn siling, ɔda bilbɔd, ɛn mɔdel, ɛn ɔda tin dɛn.