Emulsified asphalt paving yomwe imapangidwa ndi ma emulsifiers apamwamba kwambiri imathandizira kumanga pamalowo. Palibe chifukwa chotenthetsera phula ku kutentha kwakukulu kwa 170 ~ 180 ° C musanagwiritse ntchito. Zipangizo zamchere monga mchenga ndi miyala siziyenera kuuma ndi kutenthedwa, zomwe zingapulumutse mafuta ambiri ndi mphamvu zotentha. . Chifukwa emulsion ya phula imakhala ndi ntchito yabwino, imatha kugawidwa mofanana pamtunda wamagulu onse ndipo imakhala yogwirizana nayo bwino, kotero imatha kupulumutsa phula, kuchepetsa njira zomangira, kukonza zomangamanga, ndi kuchepetsa kuipitsidwa kwa chilengedwe. Chifukwa cha ubwino umenewu, emulsified phula si oyenera kuyika misewu, komanso chitetezo otsetsereka kudzaza mizati, kutsekereza madzi a nyumba madenga ndi mphanga, pamwamba anticorrosion zipangizo zitsulo, ulimi nthaka kuwongolera ndi zomera thanzi, wonse njanji bedi, m'chipululu mchenga fixation, etc. Iwo chimagwiritsidwa ntchito ntchito zambiri. Chifukwa phula lopangidwa ndi emulsified silingangowonjezera luso la zomangamanga la phula lotentha, komanso kukulitsa kukula kwa phula, phula lopangidwa ndi emulsified likukula mwachangu.
Asphalt emulsifier ndi mtundu wa surfactant. Mapangidwe ake amapangidwa ndi magulu a lipophilic ndi hydrophilic. Ikhoza kupangidwa ndi mawonekedwe pakati pa phula ndi madzi, potero kuchepetsa mphamvu yaulere ya mawonekedwe pakati pa phula ndi madzi, ndikupangitsa kuti ikhale yopangidwa ndi surfactant yomwe imapanga emulsion yofanana ndi yokhazikika.
Surfactant ndi chinthu chomwe chimatha kuchepetsa kwambiri kuthamanga kwa madzi pamene chiwonjezedwa pang'ono, ndipo chimatha kusintha kwambiri mawonekedwe ndi mawonekedwe a dongosolo, potero kutulutsa kunyowa, emulsification, thovu, kutsuka, ndi kubalalitsidwa. , antistatic, lubrication, solubilization ndi mndandanda wa ntchito kuti akwaniritse zofunikira za ntchito zothandiza.
Ziribe kanthu kuti ndi mtundu wanji wa surfactant, molekyu yake nthawi zonse imakhala ndi gawo lopanda polar, hydrophobic ndi lipophilic hydrocarbon chain ndi gulu la polar, oleophobic ndi hydrophilic. Zigawo ziwirizi nthawi zambiri zimakhala pamtunda. Mapeto awiri a molekyulu yogwira ntchito amapanga mawonekedwe asymmetric. Choncho, mawonekedwe a maselo a surfactant amadziwika ndi molekyulu ya amphiphilic yomwe ili ndi lipophilic ndi hydrophilic, ndipo imakhala ndi ntchito yogwirizanitsa magawo a mafuta ndi madzi.
Pamene surfactants upambana ndende ina m'madzi (ovuta micelle ndende), iwo akhoza kupanga micelles mwa hydrophobic kwenikweni. Mlingo woyenera kwambiri wa emulsifier wa phula lopangidwa ndi emulsified ndi wokulirapo kuposa kuchuluka kwa micelle.
Nambala ya CAS: 68603-64-5
ZINTHU | KULAMBIRA |
Maonekedwe (25 ℃) | Phala loyera mpaka lachikasu |
Nambala yonse ya amine(mg ·KOH/g) | 242-260 |
(1) 160kg/ng'oma yachitsulo, 12.8mt/fcl.