1. Intangiriro
Polyethylene tereftalate (PET) ni imwe mu mashini zikoreshwa cyane ku isi mu buryo butandukanye kandi zikoreshwa cyane. Nk'ibikoresho by'ingenzi byo gukora amacupa y'ibinyobwa, gupfunyika ibiryo, n'imigozi ya sintetike, PET ihuza imiterere myiza y'umubiri n'uburyo bwo kongera gukoresha. Iyi nkuru isuzuma imiterere y'ingenzi ya PET, uburyo bwo kuyitunganya, n'uburyo butandukanye bwo kuyikoresha mu nganda.
2. Imiterere y'ibikoresho
Imiterere y'umubiri n'iy'ubukanishi
- Igipimo cy'imbaraga nyinshi ku buremere: Ingufu zo gukurura za 55-75 MPa
- Umucyo: >90% by'urumuri rwoherezwa mu kirere (amanota ya kristali)
- Imiterere y'imbogamizi: Ubudahangarwa bwiza bwa CO₂/O₂ (bwongereweho irangi)
- Ubudahangarwa bw'ubushyuhe: Ishobora gukoreshwa kugeza kuri 70°C (150°F) buri gihe
- Ubucucike: 1.38-1.40 g/cm³ (idafite ishusho), 1.43 g/cm³ (ifite ishusho ya kristale)
Ubudahangarwa bw'ibinyabutabire
- Irwanya cyane amazi, alkoholi, amavuta
- Ubudahangarwa buri hagati ya aside/bases zidakomeye
- Ubudahangarwa buke ku bijyanye na alkali zikomeye, hari n'ibindi bintu bishongesha
Imiterere y'ibidukikije
- Kode yo kongera gukoresha: #1
- Ingaruka zo gushonga kw'amazi: Bigabanuka ku bushyuhe bwinshi/pH
- Gushobora kongera gukoreshwa: Bishobora kongera gutunganywa inshuro 7-10 nta gihombo gikomeye ku mutungo
3. Uburyo bwo gutunganya
| Uburyo | Porogaramu zisanzwe | Ibintu by'ingenzi bigomba kwitabwaho |
|---|---|---|
| Uburyo bwo Gutera Inshinge mu Gutera Inshinge | Amacupa y'ibinyobwa | Kwerekeza hagati y'ibice bibiri (Biaxial) byongera imbaraga |
| Gusohora | Filime, impapuro | Bisaba gukonjesha vuba kugira ngo bigaragare neza |
| Kuzunguza Fiber | Imyenda (poliyesita) | Kuzunguruka cyane kuri 280-300°C |
| Guhindura ikirere | Udusanduku tw'ibiribwa | Mbere yo kumisha ni ngombwa (ubushuhe ≤50 ppm) |
4. Porogaramu z'ingenzi
Gupakira (73% by'ibikenewe ku isi yose)
- Amacupa y'ibinyobwa: miliyari 500 buri mwaka
- Ibikoresho by'ibiribwa: Amasahani yo mu mikoroonde, amashu ya salade
- Imiti: Udupaki tw'uduheri, amacupa y'imiti
Imyenda (22% by'abayikeneye)
- Fiber ya Polyester: Imyenda, intebe zo mu nzu
- Imyenda ya tekiniki: Imikandara y'intebe, imikandara yo gutwara ibintu
- Ibikoresho bitaboshye: Ibikoresho byo mu bwoko bwa Geotextile, ibikoresho byo kuyungurura
Imikoreshereze iri kuzamuka (5% ariko irakura)
- Icapiro rya 3D: Imigozi ikomeye cyane
- Ibyuma by'ikoranabuhanga: Filimi zirinda ubushyuhe, ibice bya capacitor
- Ingufu zisubira: Amabati yo gusigamo imirasire y'izuba
5. Iterambere ry'Uburambe
Ikoranabuhanga ryo Gukoresha Ibintu Bishya
- Gukoresha ikoranabuhanga (90% bya PET ishobora kongera gukoreshwa)
- Uburyo bwo gukaraba-gushonga-gushonga
- Ku bijyanye n'ibiribwa byo mu rwego rwo hejuru bisaba gusukurwa cyane
- Gusubiramo imiti
- Glycolysis/depolymerization kuri monomers
- Imikorere y'imisemburo igaragara
PET ishingiye ku binyabuzima
- 30% by'ibice bya MEG bikomoka ku bimera
- Ikoranabuhanga rya Coca-Cola's PlantBottle™
- Igiciro cy'ibiciro ubu: 20-25%
6. Kugereranya na Plastiki zindi
| Umutungo | PET | HDPE | PP | PLA |
|---|---|---|---|---|
| Gusobanutse neza | Byiza cyane | Irenga ry'urumuri | Ifite urumuri | Byiza |
| Ubushyuhe Bunini bwo Gukoresha | 70°C | 80°C | 100°C | 55°C |
| Uruzitiro rwa ogisijeni | Byiza | Umukene | Iringaniye | Umukene |
| Igipimo cyo kongera gukoresha ibikoresho | 57% | 30% | 15% | <5% |
7. Icyerekezo cy'ejo hazaza
PET ikomeje kwibanda ku gupakira ibintu rimwe gusa mu gihe yagutse ikagera ku bikorwa birambye binyuze muri:
- Ikoranabuhanga ryongerewe ry’imipaka (SiO₂ coatings, multilayer)
- Ibikorwa remezo bigezweho byo kongera gukoresha imiti (PET ikoreshwa mu kongera gukoresha imiti)
- Impinduka mu mikorere (nano-composites, ihindura ingaruka)
Bitewe n’uburyo ikora neza, uburyo itunganywa neza n’uburyo ishobora kongera gukoreshwa, PET iracyari ingenzi cyane mu bukungu bw’isi mu gihe ihinduka ikajya mu buryo bwo gukora uruziga.
Igihe cyo kohereza: 21 Nyakanga-2025