PETG bụ plastik PET agbanwere agbanwe. Ọ bụ plastik doro anya, copolyester na-abụghị kristal, comonomer PETG a na-ejikarị bụ 1,4-cyclohexanedimethanol (CHDM), aha zuru oke bụ polyethylene terephthalate-1,4-cyclohexanedimethanol. Ma e jiri ya tụnyere PET, enwere ọtụtụ comonomers 1,4-cyclohexanedimethanol, ma e jiri ya tụnyere PCT, enwere ọtụtụ comonomers ethylene glycol. Ya mere, arụmọrụ nke PETG dị nnọọ iche na nke PET na PCT. Ngwaahịa ya na-enwu enwu nke ukwuu ma nwee ezigbo iguzogide mmetụta, karịsịa maka ịmepụta ngwaahịa na-enwu enwu nke nwere mgbidi siri ike.
Dịka ihe eji emechi ihe,PETGnwere uru ndị a:
1. Nnukwu nghọta, nnyefe ìhè ruo 90%, nwere ike iru nghọta nke plexiglass;
2. O nwere ike siri ike na ike siri ike, ezigbo nguzogide ọkọ, ike iguzogide mmetụta na ike siri ike;
3. Maka iguzogide kemịkalụ, iguzogide mmanụ, arụmọrụ iguzogide ihu igwe (ịcha odo odo), ike igwe, na arụmọrụ mgbochi megide ikuku oxygen na uzuoku mmiri, PETG kakwa mma karịa PET;
4. Ọ naghị egbu egbu, ọ dịkwa mma nke ukwuu, a pụrụ iji ya mee ihe maka nri, ọgwụ na ihe ndị ọzọ e ji echekwa ihe, a pụkwara iji ụzarị gamma mee ka ọ dị ọcha;
5. Ọ na-emezu ihe achọrọ maka nchekwa gburugburu ebe obibi, a pụkwara iji ya mee ihe n'ụzọ akụ na ụba na n'ụzọ dị mfe. Mgbe a na-ere ihe mkpofu ọkụ, a gaghị emepụta ihe ọ bụla na-emerụ ahụ nke na-etinye gburugburu ebe obibi n'ihe ize ndụ.
Dịka ihe eji emechi ihe,PITA ANỤnwere uru ndị a:
1. O nwere ezigbo ihe eji arụ ọrụ, ike mmetụta ya dị okpukpu atọ ruo ise karịa nke ihe nkiri ndị ọzọ, ọ na-eguzogide nkwụsịtụ nke ọma, ọ ka dịkwa ike nke ọma na -30°C;
2. Na-eguzogide mmanụ, abụba, acid a gwakọtara agwakọta, alkali a gwakọtara agwakọta, na ọtụtụ ihe mgbaze;
3. Ike ikuku na uzuoku mmiri dị ala, ezigbo gas, mmiri, mmanụ na isi na-eguzogide;
4. Enweghị nsí, enweghị uto, ịdị ọcha na nchekwa, enwere ike iji ya ozugbo na nkwakọ ngwaahịa nri;
5. Ọnụ ahịa ihe eji arụ ọrụ dị ọnụ ala karịa PETG, ngwaahịa emechara dịkwa mfe ibu ma ghara ịgbaji, nke dị mma maka ndị nrụpụta iji belata mmefu mmepụta na njem, arụmọrụ ọnụ ahịa ya dịkwa elu.
PETG karịrị PET nkịtị n'ihe gbasara elu dịka ibipụta ihe na njikọta. Nkọwapụta PETG yiri PMMA. Ike siri ike, ịdị ire ụtọ, na ikike nhazi mgbe emechara nke PETG siri ike karịa PET. Ma e jiri ya tụnyere PET, ọghọm nke PCTG doro anya, ya bụ, ọnụahịa ya dị oke elu, nke bụ ugboro 2-3 nke PET. Ugbu a, ọtụtụ ihe mkpuchi karama dị n'ahịa bụ ihe PET. Ihe PET nwere njirimara nke ịdị arọ dị mfe, nghọta dị elu, iguzogide mmetụta na ọ bụghị ihe na-adịghị ike.
Nchịkọta: PETG bụ ụdị PET emelitere, nwere nghọta dị elu, ike dị elu, iguzogide mmetụta ka mma, yana n'ezie ọnụ ahịa dị elu.
Oge ozi: Julaị-21-2023
