Naphthalene sulfonate formaldehyde Condensate(FDN) he anionic surfactant me ka wai-phobic i haku ʻia me ka methylene i hoʻohui ʻia i ke apo ban a me ka wai-philic me ka hui ʻakika sulfonic. Hoʻohana nui ʻia ʻo ia ma ke ʻano he mea hoʻohaʻahaʻa wai no ke kaʻa, dispersant dye a me ka dispersant slurry wai lanahu ma muli o kāna kaʻina synthetic oʻo a me ka hana dispersant maikaʻi loa. Hoʻomākaukau ʻia ka FDN mai ka naphthalene ʻoihana e ka sulfonation, hydrolysis, condensation a me ka neutralization me ka sulfuric acid concentrated.
I nā makahiki i hala iho nei, me ke kumukūʻai o ka naphthalene ʻoihana, e lawe ana i ka ʻaila a me ka lanahu e like me nā mea maka, e piʻi ana, lawe mai i ke kumukūʻai kiʻekiʻe i ka hana ʻana o FDN. He mea koʻikoʻi ka hoʻokele waiwai e hoʻomaikaʻi hou i nā waiwai o FDN ma o ka hoʻololi kino a me ke kemika a i ʻole e ʻimi i nā mea hou e pani ai i ka naphthalene ʻoihana e synthesize FDN e hōʻemi i ke kumukūʻai hana.CAS:36290-04-7
Naphthalene Sulfonate i kēia manawa synthesized e like me ka FDN huahana Condensate i ka manawa like hāʻawi i ka molecular aggregation degere, ākea molecular kaumaha mahele a me nā 'ano'ē aʻe, e hoʻokō i nā pono o ka 'enekinia noi, keia pepa, ma o ke kino ano ultrafiltration e FDN e like me molecular. ke kaumaha (ʻike pū ʻia ʻo ke degere o ka polymerization) ua lawe ʻia ma ka hoʻokaʻawale ʻana, e ka nuipa spectrometry, elemental analyzer hiʻohiʻona o nā hiʻohiʻona o ka pae molekala like ʻole. o FDN, a ua aʻo i ka ʻokoʻa FDN ma ka molecular pae I mea e loaʻa maikaʻi dispersion hana o ka FDN papa.Sulfonated Naphthalene Condensate/ Sodium Salt.
I mea e makaʻala i ka ʻokoʻa o nā ʻāpana paona molekala like ʻole o FDN i ka hana ʻana o ka hoʻopuehu ʻana o ka sima, ua aʻo kēia pepa i ka ʻano adsorption o FDN ma ka ʻili o nā ʻāpana sima, me ka hiki ke electrokinetic, ka hiki adsorption, ka mānoanoa papa adsorption, a me ka molecular. hui-hui, loaa ka mana o ka molekala kaumaha, inorganic paakai a me ka hydrogen paa ikaika ma KA adsorption o FDN. Kahi mea hou aʻe.
Ka manawa hoʻouna: Mei-31-2022