Hnub Kawg Ua Ntawv Thov: 26 Sep, 2022
Dispersive dye molecules yog me me, cov qauv ntawm cov dye tsis muaj dej-soluble pawg, dyeing nrog kev pab los ntawm dispersant, dye evenly dispersed nyob rau hauv lub dye tov, dyeing polyester fibers.Tus neeg sawv cev dispersing ntawmsodium hexametaphosphateyog tus neeg sawv cev pabcuam los txhim kho cov khoom tawg ntawm cov khoom siv los yog kua.
Rau ionic dispersant, cov dispersant yaj nyob rau hauv dej tuaj yeem ionize ions zoo thiab tsis zoo ions, cov ions adsorbed rau ntawm qhov chaw ntawm cov colloid hais nrog cov nqi sib txawv, thiab tom qab ntawd tsim ob txheej hluav taws xob rau ntawm qhov chaw ntawm ion, ua rau muaj peev xwm txhim kho.Rau cov uas tsis yog-ionic dispersant, cov dispersant yog yaj nyob rau hauv dej thiab adsorbed rau ntawm qhov chaw ntawm lub colloidal particle, uas nyob ib ncig ntawm lub particle thiab tsim steric hindrance, hindering kev sib cuag ntawm cov tshuaj tiv thaiv reagent thiab cov tshuaj tiv thaiv chaw.
Sodium hetaphosphate belongs rau polyphosphate.Nws cov qauv molecular yog ib ncig, tab sis nws muaj ib tug linear ntev saw configuration.Nws yog adsorped rau saum npoo ntawm cov khoom los ntawm cov pab pawg kawg, thaum cov saw hlau nruab nrab yog qhov pib tsis koom nrog kev sib txuas, uas tuaj yeem muab cov khoom siv hluav taws xob ntxiv ntxiv.Lub ionized anion ntawm sodium hetaphosphate yaj nyob rau hauv dej adsorbed ntawm particle nto, uas ua rau kom lub electronegativity ntawm particle nto.Tsis tas li ntawd, ionized Na + ions tuaj yeem ua kom cov tuab ntawm ob txheej hluav taws xob, thiabsodium hexametaphosphateplays ib tug dispersive nyhuv nyob rau hauv ob qhov teebmeem no.
Ob qho tib si ntawm cov teebmeem no yuav ua rau kom muaj zog quab yuam ntawm cov khoom, uas ua rau kev tso tawm ntawm cov dej dawb qhwv hauv cov qauv sib sau, yog li ntawdsodium hexametaphosphatedispersant tuaj yeem ua lub luag haujlwm ntawm dispersing hais thiab lubricating hais.Nws lub hom phiaj tseem ceeb yog los txo qhov kev sib tshuam ntawm cov kua - kua thiab khoom - kua.Yog lisodium hexametaphosphatedispersant kuj yog ib qho surfactant.
Thaum sib tsoo khoom dye, ntxivsodium hexametaphosphateDispersant tuaj yeem pab kom zuaj cov lus thiab tiv thaiv kom txhob tawg ntawm cov condensing thiab ua kom cov dispersion nyob ruaj khov.Oily kua insoluble nyob rau hauv dej nyob rau hauv siab shear quab yuam stirring, yuav dispersed mus rau hauv me me cov hlaws dai ua kua, nres stirring, nyob rau hauv qhov kev txiav txim ntawm interface nro sai stratified, thiab ntxiv sodium hetaphosphate dispersant stirring, yuav tsim ib tug ruaj khov emulsion.
Post lub sij hawm: Sep-27-2022