1. Gabatarwa
Polyethylene terephthalate (PET) yana ɗaya daga cikin mafi yawan amfani da thermoplastics a duniya. A matsayin babban kayan da ake amfani da shi don kwalaben abin sha, marufi na abinci, da zare na roba, PET ya haɗa kyawawan halaye na zahiri tare da sake amfani da su. Wannan labarin yana bincika manyan halayen PET, hanyoyin sarrafawa, da aikace-aikace daban-daban a cikin masana'antu.
2. Kayayyakin Kayayyaki
Kayayyakin Jiki da Inji
- Babban Rabon Ƙarfi zuwa Nauyi: Ƙarfin tauri na 55-75 MPa
- Tsabtace haske: > 90% watsa haske (maki na lu'ulu'u)
- Kayayyakin Shamaki: Kyakkyawan juriya ga CO₂/O₂ (an inganta shi da shafi)
- Juriyar Zafi: Ana iya yin aiki har zuwa 70°C (150°F) akai-akai
- Yawan yawa: 1.38-1.40 g/cm³ (rashin tsari), 1.43 g/cm³ (lu'ulu'u)
Juriyar Sinadarai
- Kyakkyawan juriya ga ruwa, barasa, mai
- Matsakaicin juriya ga raunin acid/tushe
- Rashin juriya ga alkalis masu ƙarfi, wasu sinadarai masu narkewa
Bayanin Muhalli
- Lambar Maimaita Amfani: #1
- Hadarin Rushewar Ruwa: Yana raguwa a yanayin zafi mai yawa/pH
- Amfani da Sake Amfani da Shi: Ana iya sake sarrafa shi sau 7-10 ba tare da asarar dukiya mai yawa ba
3. Hanyoyin Sarrafawa
| Hanyar | Aikace-aikace na yau da kullun | Muhimman Abubuwan Da Ake Tunani |
|---|---|---|
| Allura Miƙa Kusa Molding | Kwalaben abin sha | Tsarin Biaxial yana inganta ƙarfi |
| Fitarwa | Fina-finai, takardu | Yana buƙatar sanyaya cikin sauri don haske |
| Juyawar Fiber | Yadi (polyester) | Juyawa mai sauri a 280-300°C |
| Tsarin thermoforming | Tire na abinci | Yana da mahimmanci kafin busarwa (≤50 ppm danshi) |
4. Manyan Aikace-aikace
Marufi (kashi 73% na buƙatun duniya)
- Kwalaben Abin Sha: Raka'o'i biliyan 500 a kowace shekara
- Kwantena na Abinci: Tire masu amfani da microwave, harsashin salati
- Magani: Fakitin blister, kwalaben magani
Yadi (kashi 22% na buƙata)
- Fiber ɗin Polyester: Tufafi, kayan daki
- Yadin Fasaha: Belin kujera, bel ɗin jigilar kaya
- Ba a saka ba: Geotextiles, hanyar tacewa
Amfani Masu Tasowa (5% amma suna ƙaruwa)
- Bugawa ta 3D: Zare mai ƙarfi
- Lantarki: Fina-finan rufewa, abubuwan haɗin capacitor
- Makamashin Mai Sabuntawa: Takardun baya na panel na hasken rana
5. Ci gaban Dorewa
Fasahohin Sake Amfani da Su
- Sake Amfani da Inji (kashi 90% na PET da aka sake yin amfani da shi)
- Tsarin narkewar ruwa
- Ingancin abinci yana buƙatar tsaftacewa sosai
- Sake Amfani da Sinadarai
- Glycolysis/depolymerization zuwa monomers
- Tsarin enzymes masu tasowa
PET Mai Tushen Halitta
- Kashi 30% na abubuwan da aka samo daga tsirrai na MEG
- Fasahar Coca-Cola's PlantBottle™
- Kudin da ake biya a yanzu: 20-25%
6. Kwatantawa da Madadin Roba
| Kadara | DABBOBI | HDPE | PP | PLA |
|---|---|---|---|---|
| Tsabta | Madalla sosai | A bayyane | Mai haske | Mai kyau |
| Matsakaicin Yanayin Amfani | 70°C | 80°C | 100°C | 55°C |
| Shagon Iskar Oxygen | Mai kyau | Talaka | Matsakaici | Talaka |
| Yawan sake amfani da shi | 57% | Kashi 30% | 15% | <5% |
7. Hasashen Nan Gaba
PET ta ci gaba da mamaye marufi na amfani guda ɗaya yayin da take faɗaɗa zuwa aikace-aikace masu ɗorewa ta hanyar:
- Ingantaccen fasahar shinge (shafi na SiO₂, layuka da yawa)
- Kayayyakin sake amfani da su na zamani (wanda aka sake yin amfani da shi ta hanyar sinadarai)
- Gyaran aiki (haɗaɗɗun nano, masu gyaran tasiri)
Tare da daidaiton aiki na musamman, iya sarrafawa da sake amfani da shi, PET ya kasance ba makawa a cikin tattalin arzikin robobi na duniya yayin da yake canzawa zuwa samfuran samar da zagaye.
Lokacin Saƙo: Yuli-21-2025