ʻO ka Melamine Cyanurate (MCA) he mea hoʻopaneʻe ahi ʻaʻohe halogen kiʻekiʻe me ka nitrogen.Hoʻohana nui ʻia ia i ka ʻoihana plastics e like me ka pale ahi.
Ma hope o ka sublimation wela absorption a me ka wela wela decomposition, MCA decomposed i naikokene, wai, carbon dioxide a me na kinoea e ae e lawe aku i ka reactant wela e hoʻokō i ke kumu o ke ahi retardant.Ma muli o ke kiʻekiʻe o ka sublimation decomposition wela a me ka paʻa wela maikaʻi, hiki ke hoʻohana ʻia ka MCA no ka hapa nui o ka hana resin.
Hōʻike | TF- MCA-25 |
Ka nana aku | Pauda keʻokeʻo |
MCA | ≥99.5 |
N maʻiʻo (w/w) | ≥49% |
MEL maʻiʻo(w/w) | ≤0.1% |
Cyanuric Acid(w/w) | ≤0.1% |
Māmā (w/w) | ≤0.3% |
Hoʻoheheʻe (25 ℃, g/100ml) | ≤0.05 |
Waiwai PH (1% hoʻokuʻu wai, ma 25ºC) | 5.0-7.5 |
Ka nui o ka ʻāpana (µm) | D50≤6 |
D97≤30 | |
Keokeo | ≥95 |
Ka wela decomposition | T99%≥300 ℃ |
T95%≥350 ℃ | |
ʻO ke kino a me nā pōʻino kaiapuni | ʻAʻohe |
ʻO ka MCA kahi mea hoʻopaʻa ahi maikaʻi loa ma muli o kona kiʻekiʻe o ka nitrogen content, e lilo ia i mea koho maikaʻi loa no nā mea e pono ai ka flammability haʻahaʻa.ʻO kona kūpaʻa wela, i hui pū ʻia me kāna mea ʻawaʻawa haʻahaʻa, e lilo ia i mea koho kaulana i nā mea hoʻopaʻa ahi maʻamau e like me nā pūhui brominated.Hoʻohui ʻia, ʻoi aku ka maʻalahi o ka MCA a maʻalahi hoʻi i ka hana ʻana, e lilo ia i koho waiwai no nā noi nui.
Hoʻohana ʻia ʻo MCA ma ke ʻano he lapalapa ahi i nā ʻano mea like ʻole, me nā polyamides, polyurethanes, polyesters, a me nā resins epoxy.He mea pono loa ia i ka ʻenekinia plastics, e koi ana i ka hana kiʻekiʻe-mehana a me ka haʻahaʻa flammability.Hiki ke hoʻohana ʻia ka MCA i nā textiles, nā pena, a me nā uhi e hoʻomaikaʻi ai i ka pale ʻana i ke ahi.I ka ʻoihana kūkulu, hiki ke hoʻohui ʻia ʻo MCA i nā mea kūkulu hale e like me ka insulation foam e hōʻemi i ka laha ʻana o ke ahi.
Ma waho aʻe o kona hoʻohana ʻana ma ke ʻano he ahi ahi, loaʻa iā MCA nā noi ʻē aʻe.Hiki ke hoʻohana ʻia ma ke ʻano he lāʻau lapaʻau no nā epoxies, a ua hōʻike ʻia he maikaʻi i ka hōʻemi ʻana i ka nui o ka uahi i hoʻokuʻu ʻia i ke ahi, e lilo ia i mea waiwai i nā mea pale ahi.
D50(μm) | D97(μm) | Palapala noi |
≤6 | ≤30 | PA6, PA66, PBT, PET, EP etc. |