ʻO ka māhele kumu osodium lignosulfonatehe benzyl propane derivative. Hoʻoholo ka pūʻulu ʻakika sulfonic he hiki ke hoʻoheheʻe ʻia i ka wai, akā ʻaʻole hiki ke hoʻoheheʻe ʻia i ka ethanol, acetone a me nā mea hoʻoheheʻe ʻē aʻe. Hiki ke hōʻike ʻia ka lignosulfonate lāʻau palupalu maʻamau e ke ʻano kemika C9H8.5O2.5 (OCH3) 0.55 (SO3H) 0.4.
ʻO nā hiʻohiʻona hoʻolālā a me ka hāʻawi ʻana i ke kaumaha molekala o ka lignosulfonate e hoʻoholo ai he ʻokoʻa ia mai nā surfactants synthetic ʻē aʻe ma nā ʻano he nui. Loaʻa iā ia nā waiwai kino kino a me ke kemika.
1. The surface active lignosulfonate mole he nui hydrophilic pūʻulu aʻaʻohe linear alkyl kaulahao, no laila, ua nawaliwali loa kona aila solubility, kona hydrophilicity mea ikaika loa, a me kona hydrophobic iwi spherical, a hiki ole ke loaa i ka neat phase interface hoʻonohonoho like maʻamau. nā surfactants molekala haʻahaʻa. No laila, ʻoiai hiki iā ia ke hoʻemi i ka haʻalulu o ka ʻili, ʻaʻohe ona mana ma luna o ka ʻili o ka ʻili a ʻaʻole e hana i nā micelles.
2. Hiki ke hoʻemi ʻia ka viscosity o ka slurry ma ka hoʻohui ʻana i kahi lignosulfonate liʻiliʻi i loko o ka slurry viscous ma o ka adsorption a me ka dispersion; Ke hoʻohui ʻia i ka hoʻokuʻu ʻoi aku ka lahilahi, hiki ke hoʻemi ʻia ka wikiwiki o ka hoʻonohonoho ʻana o nā mea i hoʻokuʻu ʻia. ʻO kēia no ka mea he ikaika ka hydrophilicity a me ka electronegativity lignosulfonate. Hoʻokumu ia i nā pūʻulu anionic i ka hoʻonā wai. Ke hoʻopili ʻia ma luna o nā ʻāpana ʻokoʻa a i ʻole nā mea ʻokoʻa, mālama nā ʻāpana i kahi kūlana hoʻopuehu paʻa ma muli o ka repulsion like ma waena o nā hui anionic. Ke hōʻike nei kekahi mau haʻawina i ka adsorption a me ka hoʻopuehu ʻana o ka lignosulfonate ma muli o ka ikaika electrostatic repulsion a me ka lubrication o nā ʻōpala liʻiliʻi, ʻO ka lubrication o nā micro bubbles ke kumu nui o kona hoʻopuehu ʻia: ʻokoʻa ka hopena o ka lignosulfonate me kona kaumaha mole a me ka hoʻokuʻu. ʻōnaehana. ʻO ka maʻamau, ʻoi aku ka maikaʻi o ka hoʻopuehu ʻana i nā hakina me ke kaumaha molekala mai 5000 a 40,000.
3.chelation lignosulfonate loaʻa hou phenol hydroxyl, waiʻona hydroxyl, carboxyl a me carbonyl pūʻulu, i ka un kaʻana like electron ma luna o ka oxygen atom hiki ke hana i ka coordination paʻa me ka metala iions, ka hopena i ka chelation, hana metala chelates o lignin, pela i loaʻa hou 'ano. . No ka laʻana, hiki ke hoʻohana ʻia ka chelation o ka lignosulfonate me ka hao hao, ka chromium ion, a me nā mea ʻē aʻe e hoʻomākaukau ai i ka ʻaila wili lepo thinner, a ʻo ka chelation hoʻi e loaʻa iā ia kekahi mau hopena inhibition corrosion a me ka unahi, hiki ke hoʻohana ʻia e like me ka lāʻau lapaʻau wai.
4. ʻO ka hana hoʻopili i nā mea kanu maoli. E like me ka mea hoʻopili, ua puʻunaue ʻia ka lignin a puni ka fiber a ma waena o nā ʻili liʻiliʻi i loko o ka fiber, i hoʻopili ʻia me nā fibers a me nā fiber liʻiliʻi, e lilo ia i ʻano iwi iwi ikaika. ʻO ke kumu e hiki ʻole ai i nā lāʻau ke hāʻule i lalo no nā ʻumi mau mika a i ʻole mau haneli mau mika no ka pili ʻana o ka lignin. Hiki ke hoʻololi ʻia ka Lignosulfonate i hoʻokaʻawale ʻia mai ka waiʻona ʻeleʻele e hoʻihoʻi i ka ikaika adhesive mua, a ʻo ke kō a me kāna mau mea i loko o ka wai ʻona hiki ke kōkua i ka hoʻonui ʻana i ko lākou ikaika adhesive ma o ka hopena synergistic.
5.Foaming hana ʻO ka hana hoʻohāhā o ka lignosulfonate ua like ia me nā surfactants polymer maʻamau, nona nā hiʻohiʻona o ka haʻahaʻa haʻahaʻa haʻahaʻa, akā maikaʻi ke kūpaʻa o ka huʻa, a me ka hana ʻana o ka lignosulfonate e loaʻa kekahi hopena i kāna hana noi. No ka laʻana, i ka wā e hoʻohana ʻia ai e like me ka hoʻohaʻahaʻa ʻana i ka wai, ma kekahi ʻaoʻao, ma muli o ka lubrication o nā ʻōpū i hana ʻia e ka lignosulfonate, e piʻi aʻe ka fluidity o ke kaila a ʻoi aku ka maikaʻi o ka hana; Ma ka ʻaoʻao ʻē aʻe, e hoʻonui ka waiwai o ka huʻi ʻana i ka ea a hoʻemi i ka ikaika o ka koneki. Ke hoʻohana ʻia e like me ka ea entraining water reducing agent, pono ia e hoʻomaikaʻi i ka pale ʻana i ka hau a me ka lōʻihi o ka koneki.
Ka manawa hoʻouna: Mei-08-2023
