1. Hoʻolauna
ʻO ka polyethylene terephthalate (PET) kekahi o nā thermoplastics i hoʻohana nui ʻia ma ka honua. Ma ke ʻano he kumu mua no nā hue inu, hoʻopili meaʻai, a me nā fiber synthetic, ua hui pū ʻo PET i nā waiwai kino maikaʻi me ka recyclability. Nānā kēia ʻatikala i nā hiʻohiʻona koʻikoʻi o PET, nā ʻano hana, a me nā noi like ʻole ma nā ʻoihana.
2. Mea Pono
Na Pono Kino & Mekanika
- ʻO ke kiʻekiʻe o ka ikaika-a-kaumaha: ikaika tensile o 55-75 MPa
- Mākaʻikaʻi:> 90% ka hoʻouna māmā ʻana (nā māka kristal)
- Nā Pono Pale: Kūleʻa maikaʻi CO₂/O₂ (hoʻonui ʻia me nā uhi)
- Kū'ē wela: Hiki ke lawelawe a hiki i 70°C (150°F) mau
- Māmā: 1.38-1.40 g/cm³ (amorphous), 1.43 g/cm³ (crystalline)
Palekana Kemika
- Kū'ē maikaʻi i ka wai, nā waiʻona, nā aila
- Kūleʻa haʻahaʻa i nā ʻakika palupalu
- Ke kū'ē maikaʻiʻole i nā alkalis ikaika, kekahi mau solvents
Palapala Kaiapuni
- Code Recycling: #1
- Pilikia Hydrolysis: Hoʻohaʻahaʻa i nā wela kiʻekiʻe/pH
- Hoʻololi hou: Hiki ke hana hou ʻia 7-10 mau manawa me ka ʻole o ka poho waiwai nui
3. Nā Hana Hana
| ʻano hana | Nā noi maʻamau | Nā Manaʻo Nui |
|---|---|---|
| Hoʻoheheʻe ʻia i ka ʻōniʻoniʻo | ʻOmole inu | Hoʻomaikaʻi ka orientation Biaxial i ka ikaika |
| Extrusion | Kiʻiʻoniʻoni, pepa | Pono e hoʻomaloʻo wikiwiki no ka mālamalama |
| Milo pulupulu | Loko (polyester) | ʻO ka wili kiʻekiʻe ma 280-300°C |
| Thermoforming | Nā pāʻai | Pono e hoʻomaloʻo mua (≤50 ppm moisture) |
4. Noi Nui
Packaging (73% o ka noi honua)
- ʻO nā ʻōmole inu: 500 biliona ʻāpana i kēlā me kēia makahiki
- Nā Paʻa Meaʻai: Nā pā microwavable, nā ʻili salakeke
- Laʻau Laʻau: Blister pack, ʻōmole lāʻau
Nā lole lole (22% koi)
- Polyester Fiber: ʻAʻahu, upholstery
- Nā lole lole ʻenehana: nā kāʻei noho, nā kāʻei conveyor
- Nonwovens: Geotextiles, kānana media
Hoʻohana hou ʻia (5% akā ke ulu nei)
- Paʻi 3D: Nā filament ikaika kiʻekiʻe
- Electronics: Nā kiʻiʻoniʻoni insulating, nā ʻāpana capacitor
- Hiki ke hoʻololi hou ʻia: Nā pepa hope o ka lā
5. Nā holomua hoʻomau
ʻenehana hana hou
- Mechanical Recycling (90% o PET recycled)
- Kaʻina holoi-flake-melt
- Pono ka hoʻomaʻemaʻe ʻana i ka meaʻai
- Hoʻolāʻau Kemika
- Glycolysis/depolymerization i nā monomers
- Nā kaʻina hana enzymatic e puka mai ana
PET hoʻokumu ʻia i ka bio
- 30% nā mea MEG i loaʻa i ka mea kanu
- ʻO ka ʻenehana PlantBottle™ a Coca-Cola
- ʻO ke kumu kūʻai o kēia manawa: 20-25%
6. Hoʻohālikelike me nā Plastics ʻokoʻa
| Waiwai | PET | HDPE | PP | PLA |
|---|---|---|---|---|
| Maopopo | maikaʻi loa | Opaque | Alohilohi | Maikaʻi loa |
| Hoʻohana i ka Temp | 70°C | 80°C | 100°C | 55°C |
| Pale Oxygen | Maikaʻi loa | ʻilihune | Kaumaha | ʻilihune |
| Ka Laki Hana Hou | 57% | 30% | 15% | <5% |
7. Manaʻo e hiki mai ana
Ke hoʻomau nei ʻo PET i ka hoʻohana ʻana i ka ʻeke hoʻohana hoʻokahi i ka hoʻonui ʻana i nā noi paʻa ma o:
- ʻO nā ʻenehana pale i hoʻonui ʻia (nā uhi SiO₂, multilayer)
- ʻOihana hana hou (PET)
- Nā hoʻololi hana (nāno-composites, hoʻololi hopena)
Me kāna kaulike kūʻokoʻa o ka hana, ka hana a me ka recyclability, pono mau ʻo PET i ka ʻoihana plastics honua ʻoiai ke neʻe nei i nā hiʻohiʻona hana circular.
Ka manawa hoʻouna: Jul-21-2025