QXME 103P; Asphalt Emulsifier, Hydrogenated Tallow Amine, Stearyl Amine

Tsanangudzo Pfupi

Tie layer, break-through layer: solid emulsifier ine kunyanya yakakwira viscosity inobatsira kugadzikana kwekuchengetedza kweCRS emulsions.

Kuvandudza kusimba kweiyo pavement: Sebhainda mumusanganiswa weasphalt, emulsified asphalt inogona kusungira zvakasimba matombo ematombo pamwe chete kuti aite chimiro chakasimba chekufamba, kuvandudza zvikuru kusimba uye kupikisa kupikisa kwepavhu.

Emulsified asphalt inoshandiswa zvakanyanya mukuvaka migwagwa, kugadzirisa uye kuvakazve mapurojekiti. Inogona kushandiswa sebhainda mumisanganiswa yeasphalt kuti inyatso kuvandudza kusimba uye kugadzikana kwepamusoro pemugwagwa, uku ichideredzawo mari yekuvaka uye kusvibiswa kwezvakatipoteredza. Uye zvakare, emulsified asphalt inogonawo kushandiswa seyakaputira mvura, denga rekudzivirira mvura uye mugero wemukati wemadziro ekudzivirira mvura, ine yakanakisa kusapinda kwemvura.

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Emulsified asphalt paving inogadzirwa nemhando yepamusoro emulsifiers inorerutsa pa-saiti kuvaka. Hapana chikonzero chekupisa asphalt kusvika kune yakakwirira ye170 ~ 180 ° C isati yashandiswa. Zvicherwa zvakadai sejecha nematombo hazvidi kuomeswa uye kupisa, izvo zvinogona kuchengetedza mafuta akawanda uye kupisa simba. . Nekuti asphalt emulsion ine basa rakanaka, inogona kugoverwa zvakaenzana pamusoro peaggregate uye ine yakanaka adhesion nayo, saka inogona kuchengetedza huwandu hweasphalt, kurerutsa maitiro ekuvaka, kugadzirisa mamiriro ekuvaka, uye kuderedza kusvibiswa kune yakapoteredza nharaunda. Nekuda kwezvakanakira izvi, emulsified asphalt haina kukodzera chete kugadzira migwagwa, asiwo yekudzivirira kwemateru emadziro ekuzadza, kudzivirira mvura kwematenga ezvivakwa nemapako, pamusoro peanticorrosion yemidziyo yesimbi, kuvandudzwa kwevhu rekurima uye hutano hwezvirimwa, mubhedha wenjanji wenjanji, renje jecha fixation, etc. Inoshandiswa zvakanyanya mumapurojekiti mazhinji. Nekuti emulsified asphalt haingogone kuvandudza tekinoroji yekuvaka yeasphalt inopisa, asi zvakare kuwedzera huwandu hwekushandisa kweasphalt, emulsified asphalt yakagadzira nekukurumidza.

Asphalt emulsifier imhando ye surfactant. Chimiro chayo chemakemikari chine lipophilic uye hydrophilic mapoka. Inogona kushambadzirwa pamusangano pakati peasphalt particles nemvura, nokudaro ichideredza zvakanyanya simba rekusununguka rekubatana pakati peasphalt nemvura, zvichiita kuti ive surfactant inoumba yunifomu uye yakagadzikana emulsion.

Surfactant chinhu chinogona kuderedza zvakanyanya kusimba kwepamusoro pemvura kana yawedzerwa muhushoma, uye inogona kushandura zvakanyanya chimiro chechimiro uye mamiriro ehurongwa, nekudaro ichigadzira wetting, emulsification, kupupa, kugeza, uye kupararira. , antistatic, lubrication, solubilization uye nhevedzano yemabasa kusangana nezvinodiwa zvekushandisa zvinoshanda.

Hazvina mhosva kuti ndeupi rudzi rwe surfactant, molecule yayo inogara ichiumbwa ne-non-polar, hydrophobic uye lipophilic hydrocarbon chain chikamu uye polar, oleophobic uye hydrophilic boka. Zvikamu zviviri izvi zvinowanzowanikwa pamusoro. Migumo miviri yeanoshanda agent molecule inoumba asymmetric chimiro. Naizvozvo, iyo molecular chimiro che surfactant inoratidzwa neamphiphilic molecule iyo iri lipophilic uye hydrophilic, uye ine basa rekubatanidza mafuta nemvura.

Kana ma surfactants akadarika imwe kusungwa mumvura (yakakosha micelle concentration), vanogona kugadzira micelles kuburikidza neiyo hydrophobic athari. Iyo yakakwana emulsifier dosage ye emulsified asphalt yakakura kwazvo kupfuura yakakosha micelle concentration.