Titanium Dioxide
He pigment inorganic keʻokeʻo ka Titanium dioxide, ʻo TiO2 ka mea nui.
Ma muli o kona mau waiwai kino a me ke kemika paʻa, ka hana optical a me ka pigment maikaʻi loa, ua manaʻo ʻia ʻo ia ka pigment keʻokeʻo maikaʻi loa ma ka honua. Hoʻohana nui ʻia ia ma nā ʻano he nui e like me nā uhi, ka hana pepa, nā mea hoʻonani, nā mea uila, nā keramika, nā lāʻau lapaʻau a me nā mea hoʻohui meaʻai. ʻO ka hoʻohana ʻana o ka titanium dioxide i kēlā me kēia kapikala ua manaʻo ʻia he hōʻailona koʻikoʻi e ana i ke kiʻekiʻe o ka hoʻomohala waiwai o kahi ʻāina.
I kēia manawa, ua māhele ʻia ke kaʻina hana o ka titanium dioxide ma Kina i ke ʻano sulfuric acid, ke ʻano chloride a me ke ʻano hydrochloric acid.
Nā uhi
Ua kūpaʻa ʻo Sun Bang i ka hoʻolako ʻana i ka titanium dioxide kiʻekiʻe no ka ʻoihana uhi. ʻO Titanium dioxide kekahi o nā mea pono ʻole i ka hana ʻana o nā uhi. Ma waho aʻe o ka uhi ʻana a me ka hoʻonaninani ʻana, ʻo ke kuleana o ka titanium dioxide ka hoʻomaikaʻi ʻana i nā waiwai kino a me ke kemika o nā uhi, hoʻonui i ke kūpaʻa kemika, hoʻomaikaʻi i ka ikaika mechanical, ka hoʻopili ʻana a me ke kūpaʻa ʻana i ka palaho o ka noi. Hiki i ka Titanium dioxide ke hoʻomaikaʻi i ka pale UV a me ke komo ʻana o ka wai, a pale i nā māwae, hoʻopaneʻe i ka ʻelemakule, hoʻolōʻihi i ke ola o ka ʻili pena, ke kūpaʻa i ka mālamalama a me ke aniau; i ka manawa like, hiki i ka titanium dioxide ke mālama i nā mea a hoʻonui i nā ʻano like ʻole.
Palakiko a me ka laholio
ʻO ka palaki ka lua o ka mākeke nui loa no ka titanium dioxide ma hope o ka uhi ʻana.
ʻO ka hoʻohana ʻana o ka titanium dioxide i nā huahana plastik e hoʻohana i kona mana hūnā kiʻekiʻe, ka mana decolorizing kiʻekiʻe a me nā waiwai pigment ʻē aʻe. Hiki i ka Titanium dioxide ke hoʻomaikaʻi i ke kūpaʻa wela, ke kūpaʻa māmā a me ke kūpaʻa ʻana i ka wā o nā huahana plastik, a pale aku hoʻi i nā huahana plastik mai ka mālamalama ultraviolet e hoʻomaikaʻi i nā waiwai mechanical a me nā uila o nā huahana plastik. He mea nui ka dispersibility o ka titanium dioxide i ka mana kala o ka plastik.
ʻĪnika a me ka Paʻi ʻana
ʻOiai ʻoi aku ka lahilahi o ka ʻīnika ma mua o ka pena, ʻoi aku ka nui o nā koi o ka ʻīnika no ka titanium dioxide ma mua o ka pena. He liʻiliʻi ka nui o nā ʻāpana o kā mākou titanium dioxide, hoʻolaha like a me ka hoʻopuehu kiʻekiʻe, i hiki ai i ka ʻīnika ke hoʻokō i ka mana hūnā kiʻekiʻe, ka mana kala kiʻekiʻe a me ka ʻōlinolino kiʻekiʻe.
Hana pepa
I ka ʻoihana hou, ʻo nā huahana pepa ma ke ʻano he ala hana, ʻoi aku ma mua o ka hapalua o ia mau mea i hoʻohana ʻia no nā mea paʻi. Pono ka hana ʻana o ka pepa e hāʻawi i ka opacity a me ka ʻōlinolino kiʻekiʻe, a he hiki ke hoʻopuehu i ka mālamalama. ʻO Titanium dioxide ka pigment maikaʻi loa no ka hoʻoponopono ʻana i ka opacity i ka hana pepa ma muli o kāna index refractive maikaʻi loa a me ka index hoʻopuehu māmā. ʻO ka pepa e hoʻohana ana i ka titanium dioxide he keʻokeʻo maikaʻi, ikaika kiʻekiʻe, ʻālohilohi, lahilahi a laumania, a ʻaʻole komo i loko i ka wā e paʻi ʻia ai. Ma lalo o nā kūlana like, ʻo ka opacity he 10 mau manawa kiʻekiʻe ma mua o ka calcium carbonate a me ka pauka talcum, a hiki ke hoʻemi ʻia ke ʻano ma 15-30%.
