Nūhou

ʻO ka ʻokoʻa ma waena o ka Melamine a me Melamine Resin

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