ʻO ka pigment hao oxide kahi ʻano pigment me ka maikaʻi o ka hoʻolaha ʻana, ke kūpaʻa maikaʻi loa i ka mālamalama, a me ke kūpaʻa i ka wā. ʻO nā pigment hao oxide e pili nui ana i ʻehā ʻano o nā pigment kala, ʻo ia hoʻi ka hao oxide ʻulaʻula, ka hao melemele, ka hao ʻeleʻele, a me ka hao ʻeleʻele, ma muli o nā oxide hao. I waena o lākou, ʻo ka hao oxide ʻulaʻula ka pigment nui (e helu ana ma kahi o 50% o nā pigment hao oxide), a ʻo ka mika hao oxide i hoʻohana ʻia ma ke ʻano he pigment anti rust a me ka magnetic hao oxide i hoʻohana ʻia ma ke ʻano he mea hoʻopaʻa magnetic e pili ana hoʻi i ka māhele o nā pigment hao oxide. ʻO ka hao oxide ka lua o ka pigment inorganic nui loa ma hope o ka titanium dioxide a ʻo ia hoʻi ka pigment inorganic kala nui loa. ʻOi aku ma mua o 70% o nā pigment hao oxide i hoʻopau ʻia i hoʻomākaukau ʻia e nā ʻano hana synthesis kemika, i ʻike ʻia ʻo synthetic iron oxide. Hoʻohana nui ʻia ka synthetic iron oxide ma nā kahua e like me nā mea kūkulu hale, nā uhi, nā plastics, nā mea uila, ka paka, nā lāʻau lapaʻau, ka rubber, nā keramika, nā ʻīnika, nā mea magnetic, ka hana pepa, a me nā mea ʻē aʻe ma muli o kona maʻemaʻe synthesis kiʻekiʻe, ka nui o nā ʻāpana like, ka chromatography ākea, nā kala he nui, ke kumukūʻai haʻahaʻa, nā waiwai ʻawaʻawa ʻole, ka hoʻoluʻu maikaʻi loa a me ka hana noi, a me ka hana absorption UV.
Ke lilo nei ka hoʻohana ʻana i nā pigment hao oxide no ke kala ʻana i nā huahana sima i mea maʻamau, a ʻo ka hoʻopili ʻana o ka hao oxide ʻulaʻula i nā huahana sima e pono e hoʻolohe i nā ʻōkuhi aʻe. 1. E koho i kahi kala maikaʻi. Nui nā ʻano o ka hao oxide ʻulaʻula, a ʻo nā kala mai ka māmā a i ka hohonu. ʻO ka mea mua, e koho i ke kala āu e māʻona ai. 2. ʻO ka hoʻohui ʻana i nā pigment i nā huahana sima hiki ke loaʻa ka hopena i ka ikaika o ka sima. ʻO ka nui o ka hoʻohui ʻia, ʻo ka nui o ka hopena i ka ikaika o ka sima. No laila, ʻo ke kumumanaʻo e hoʻemi i ka nui o ka pigment i hoʻohui ʻia e like me ka hiki. ʻOi aku ka maikaʻi o ka mana kala o ka pigment, ʻoi aku ka liʻiliʻi o ka hoʻohui ʻia. No laila, ʻoi aku ke kiʻekiʻe o ke koi no ka mana kala o nā pigment, ʻoi aku ka maikaʻi. 3. Hoʻokumu ʻia ka hao oxide ʻulaʻula e ka oxidation o nā unahi hao i loko o nā media acidic. Inā he acidic iki nā pigments haʻahaʻa, e hana nā pigments acidic me ka sima alkaline i kekahi ʻano, no laila ʻoi aku ka haʻahaʻa o ka acidity o ka hao oxide ʻulaʻula, ʻoi aku ka maikaʻi.
ʻO ke ʻano o ka pigment hao oxide he koi kūikawā ia no nā uhi hou a me nā ʻoihana thermoplastic.
He kūpono kēia huahana no nā ʻōnaehana hoʻoheheʻe maʻamau a me nā uhi wai. Hoʻokō ʻia ka omo ʻaila haʻahaʻa ma o kahi kaʻina hana wili kūikawā, kahi e hana ai i ka hoʻolaha nui o nā ʻāpana liʻiliʻi a me nā ʻāpana poepoe (polygonal). ʻO ka omo ʻaila haʻahaʻa kahi ana koʻikoʻi no ka hana ʻana i nā uhi paʻa kiʻekiʻe a me nā ʻōnaehana hoʻoluʻu paʻa kiʻekiʻe a me nā ʻīnika no nā hui organik volatile. Manaʻo ʻia e loaʻa ka paʻakai wai haʻahaʻa loa, no ka mea, he lōʻihi ke kūpaʻa o nā pigments hao oxide a he kūpaʻa maikaʻi i ka wā.
Hoʻokumu ʻia ka pigment hao ʻulaʻula i hoʻohemo ʻia e ka mālama wela a no laila ke hōʻike nei i kahi ʻoke hao ʻulaʻula i calcined paʻa i ka wela.
He nui nā pōmaikaʻi o nā pigments i hoʻohālikelike ʻia me nā mea synthetic maʻamau.
Ka manawa hoʻouna: ʻOkakopa-18-2023

