ʻO ka ʻokoʻa ma waena o ka Melamine a me Melamine Resin
1. Hoʻohui Kimia & Hoʻohui
- Melamine
- Huina kemika: C3H6N6C3H6N6
- He pūhui mea ola liʻiliʻi me ke apo triazine a me ʻekolu amino (−NH2−NH2) nā hui.
- ʻO ka pauka crystalline keʻokeʻo, hiki ke hoʻoheheʻe iki i ka wai.
- Melamine Resin (Melamine-Formaldehyde Resin, MF Resin)
- He polymer thermosetting i hana ʻia e ka hopena condensation o ka melamine a me ka formaldehyde.
- ʻAʻohe kumu kemika paʻa (kahi hoʻonohonoho pūnaewele 3D pili kea).
2. Hoʻohui
- Melaminehana ʻia mai ka ʻoihana mai ka urea ma lalo o ka wela kiʻekiʻe a me ke kaomi.
- Melamine ResinHoʻopili ʻia ma ka hoʻopili ʻana i ka melamine me formaldehyde (me nā catalysts e like me ka waikawa a i ʻole ka base).
3. Na Waiwai Ki
| Waiwai | Melamine | Melamine Resin |
| Solubility | Hiki ke hoʻoheheʻe ʻia i ka wai | Insoluble ma hope o ka ho'ōla |
| Paʻa wela | Decomposes ma ~350°C | Palena wela (a hiki i ~200°C) |
| Ikaika Mechanical | ʻO nā kristal palupalu | Paʻakiki, pale-pale |
| Kaʻawaʻawa | Hiki ke ʻai ʻia inā ʻai ʻia (e laʻa, ka pōʻino o ka puʻupaʻa) | ʻAʻohe mea ʻawaʻawa ke hoʻōla piha ʻia (akā he mea hopohopo paha ke koena formaldehyde) |
4. Nā noi
- Melamine
- Mea maka no ka melamine resin.
- Ka pale ahi (ke hui pū ʻia me nā phosphates).
- Melamine Resin
- Nā Lamina: Nā papa hoʻonohonoho, nā ʻili hale (e laʻa, Formica).
- Mea ʻaina ʻaina: Melamine tableware (mimics porcelain but lightweight).
- Nā mea hoʻopili a me nā uhi: Ke kāpili lāʻau kūpaʻa wai, nā uhi ʻoihana.
- Loko & Pepa: Hoʻomaikaʻi i ka wrinkle a me ka pale ahi.
5. Hōʻuluʻulu manaʻo
| Aspect | Melamine | Melamine Resin |
| ʻAno | Mole liʻiliʻi | Polimer (pili kea) |
| Paʻa | Hoʻoheheʻe, decomposes | Thermoset (hiki ʻole ke hoʻōla ʻia) |
| Hoʻohana | Kekahi mua | ʻO ka huahana hope loa (plastic, coatings) |
| Palekana | ʻAʻawaʻawa i nā haʻahaʻa kiʻekiʻe | Palekana inā mālama pono ʻia |
ʻO ka melamine resin ka polymerized, ʻano hana pono o ka melamine, e hāʻawi ana i ka lōʻihi a me ka pale ʻana i ka wela, ʻoiai ʻo ka melamine maʻemaʻe kahi mea waena kemika me nā noi pololei palena ʻole.
Ka manawa hoʻouna: Apr-10-2025