Ese PET na PE Bimwe

PET na PE Bimwe?

PET polyethylene terephthalate.

PE ni polyethylene.

PE: polyethylene
Nibimwe mubikoresho bikoreshwa cyane muri polymer mubuzima bwa buri munsi, kandi bikoreshwa cyane mugukora imifuka ya pulasitike, firime ya plastike, nindobo zamata.
Polyethylene irwanya ibinyabuzima bitandukanye ndetse no kwangirika kwa acide zitandukanye, ariko ntibirwanya aside aside nka aside nitric.Polyethylene izahindura okiside mu bidukikije.
Polyethylene irashobora gufatwa nkaho ibonerana muri firime, ariko iyo ibaye myinshi, izaba itagaragara kubera urumuri rukwirakwira bitewe nuko hariho umubare munini wa kirisiti.Urwego rwa kristalisiti ya polyethylene rwibasiwe numubare wamashami, kandi amashami menshi, niko bigoye korohereza.Ubushyuhe bwo gushonga bwa kirisiti ya polyethylene nabwo bugira ingaruka ku mubare w’amashami, kuva kuri dogere selisiyusi 90 kugeza kuri dogere selisiyusi 130.Amashami menshi, niko ubushyuhe bwo gushonga.Polyethylene imwe rukumbi irashobora gutegurwa mugushonga HDPE muri xylene mubushyuhe buri hejuru ya dogere selisiyusi 130.

PET: polyethylene terephthalate
Polimeri ya acide terephthalic na Ethylene glycol.Amagambo ahinnye yicyongereza ni PET, akoreshwa cyane mugukora fibre polyethylene terephthalate.Izina ry'ubucuruzi ry'Ubushinwa ni polyester.Ubu bwoko bwa fibre ifite imbaraga nyinshi kandi nziza yo kwambara neza.Kugeza ubu nuburyo butandukanye butanga umusaruro wa fibre synthique.Mu 1980, umusaruro w’isi wari hafi toni miliyoni 5.1, bingana na 49% by’umusaruro rusange wa fibre sintetike ku isi.
Urwego rwo hejuru rwuburinganire bwimiterere ya molekile hamwe nuburemere bwurunigi rwa p-fenylene bituma polymer igira ibintu biranga kristu yo hejuru, ubushyuhe bwinshi bwo gushonga no kudashonga mumashanyarazi rusange.Ubushyuhe bwo gushonga ni 257-265 ° C;ubucucike bwayo bwiyongera hamwe na degre ya kristu yiyongera, ubucucike bwa leta ya amorphous ni 1,33 g / cm ^ 3, naho ubucucike bwa fibre ni 1.38-1.41 g / cm ^ 3 kubera kwiyongera kwa kristu nyuma yo kurambura.Duhereye ku bushakashatsi bwa X-ray, bibarwa ko byuzuye Ubucucike bwa kristu ni 1.463 g / cm ^ 3.Ubushyuhe bwikirahure bwa polymer amorphous bwari 67 ° C;polymer ya kristalline yari 81 ° C.Ubushyuhe bwo guhuza polymer ni 113-122 J / g, ubushyuhe bwihariye ni 1.1-1.4 J / g.Kelvin, dielectric ihoraho ni 3.0-3.8, naho kurwanya byihariye ni 10 ^ 11 10 ^ 14 ohm.cm.PET ntishobora gukemuka mumashanyarazi asanzwe, gusa irashonga mumashanyarazi amwe yangirika cyane nkumuti uvanze wa fenol, o-chlorophenol, m-cresol, na acide trifluoroacetic.PET fibre ihamye kuri acide nkeya.
Gushyira mu bikorwa Byakoreshejwe cyane nkibikoresho fatizo bya fibre synthique.Fibre ngufi irashobora kuvangwa nipamba, ubwoya, na herp kugirango ikore imyenda yimyenda cyangwa imyenda yo gushushanya imbere;filaments irashobora gukoreshwa nkimyenda yimyenda cyangwa imyenda yinganda, nkimyenda yo kuyungurura, imigozi yipine, paraşute, umukandara wa convoyeur, umukandara wumutekano nibindi. Filime irashobora gukoreshwa nkibanze rya firime yerekana amafoto na kaseti.Gutera inshinge ibice bishobora gukoreshwa nkibikoresho byo gupakira.

Imashini zacu zipakira zirashobora kuzuza amacupa ya PE na PET