Generally speaking, SBS modification of bitumen requires three processes: swelling, shearing (or grinding), and development.
Rau cov SBS hloov tawm bitumen system, muaj kev sib raug zoo ntawm kev o thiab compatibility. Qhov loj me ntawm o o cuam tshuam ncaj qha rau kev sib raug zoo. Yog hais tias sbs swells infinitely nyob rau hauv lub bitumen, lub kaw lus ua kom zoo sib xws. Tus cwj pwm o cuam tshuam nrog kev tsim khoom, ua lag luam siv tshuab thiab kev ruaj ntseg kub ntawm kev hloov kho bitumen hloov kho. Raws li qhov ntsuas kub nce ntxiv, qhov o ua kom nrawm dua, thiab qhov o tau pom tseeb ntawm qhov kub qhuav dua li cov iav hloov kub ntawm ps ntawm SB ntawm SBS. Tsis tas li ntawd, tus qauv ntawm SBS muaj qhov cuam tshuam tseem ceeb ntawm tus cwj pwm o: qhov o ua rau cov sbs ntawm linear sbs. Cov kev xam tsis zoo qhia tias qhov ceev ntawm SBS cov khoom noj o muaj nyob ntawm 0.97 thiab 1.01G / CM3, uas yog ze rau qhov ntom ntawm cov phenomic phenols.

Shearing yog kauj ruam tseem ceeb hauv tag nrho cov txheej txheem kev hloov kho, thiab cov txiaj ntsig ntawm shearing feem ntau cuam tshuam rau qhov tshwm sim zaum kawg. Lub zeb zeb colloid yog qhov tseem ceeb ntawm cov khoom siv hloov kho. Nws ua haujlwm nyob rau hauv qhov kev kub-kub thiab kev ceev nrawm. Cov txheej txheej sab nraud ntawm cov zeb zeb colloid yog lub tsho qauv nrog kev ncig ncig ua ke. Nws tseem ua lub luag haujlwm ntawm kev poob siab thiab lub suab nrov txo. Sab hauv ntawm cov zeb zeb hauv plab yog lub annular tsiv disc thiab annular tsau disc nrog qee tus nas cov hniav slots yog siv los zom cov riam. Qhov sib txawv tuaj yeem hloov kho. Qhov kev sib txuam ntawm cov khoom siv me me thiab cov nyhuv peptization yog txiav txim siab los ntawm qhov tob thiab dav ntawm cov hniav loj, thiab cov haujlwm tshwj xeeb ntawm kev tsim cov qauv. txiav txim siab los ntawm cheeb tsam. Raws li cov txav lub phaj rotates ntawm kev kub ceev, qhov hloov kho tau sib txuas nrog cov khoom sib luag, thiab sib tsoo, sib tsoo kom ua tiav lub hom phiaj ntawm kev sib xyaw ua ke. Tom qab o tuaj, sbs thiab bitumen yog cov yaum kom tusyees. Qhov me dua cov kev sib tsoo sib tsoo, cov qib siab ntawm dispersion ntawm sbs hauv bitumen, thiab qhov zoo dua kev ua tau zoo ntawm kev hloov kho bitumen. Feem ntau, nyob rau hauv thiaj li yuav ua tiav cov txiaj ntsig zoo dua, kev sib tsoo tuaj yeem nqa tawm ntau zaus.
Kev tsim cov hloov kho tshiab thaum kawg mus los ntawm cov txheej txheem txhim kho. Tom qab sib tsoo, lub ntsis bitumen nkag mus rau cov khoom lag luam tiav tank lossis kev txhim kho tank. Qhov ntsuas kub yog tswj ntawm 170-190 ° C, thiab txoj kev txhim kho yog nqa tawm rau qee lub sijhawm ntawm kev ua ntawm ib qho kev ua. Hauv cov txheej txheem no, qee yam hloov kho bitumen stabilizer feem ntau ntxiv rau txhim kho kev cia khoom ruaj khov ntawm cov hloov kho me ntsis. Tam sim no cov xwm txheej ntawm SBS hloov me ntsis Technology

1. Tuam Tshoj tsim muaj li ntawm 8 lab tons ntawm SBS hloov me ntsis rau txoj kev txhua xyoo, thiab kev siv tshuab ntau heev thiab kev siv tshuab nyob hauv Suav teb. Tau ceev faj ntawm cuav thiab distorted propaganda los ntawm cov chav sib xyaw;
2. Tom qab ze li 60 xyoo ntawm kev txhim kho, thev naus laus zis ntawm SBS hloov me ntsis Bitumen tau mus txog lub qab nthab nyob rau theem no. Yam uas tsis muaj kev sib txuas lus, yuav tsis muaj lub thev naus laus zis;
Thib peb, nws tsis muaj dab tsi ntau dua kev kho dua tshiab thiab sib xyaw ua ke ntawm cov roj (cov roj uas muaj hluav taws xob, roj hluavtaws, thiab lwm yam), thiab stabilizer;
3. Tsav tsheb ib lub tsheb kim heev tsis muaj dab tsi ua rau kev tsav tsheb. Cov khoom siv txawv teb thiab cov cuab yeej siv siab tsis sawv cev rau theem ntawm hloov kho bitumen hloov tshiab. Rau ib tug loj, lawv nyuam qhuav qhia tawm peev. Hais txog cov ntsuas uas ruaj khov, tshwj xeeb tshaj yog kom ntseeg tau cov qauv kev sib tsoo tshiab, kev sib tsoo dawb ntau lawm xws li Rizhao Keshijia tuaj yeem lees paub ntxiv;
4. Lub xeev-tswv lag luam xws li cov chaw sib txuas lus thiab kev tswj hwm tau npaj rau kev tsim khoom thiab kev hloov pauv ntawm cov me ntsis, thiab lawv tau ua lub xeev. Nplai yog loj heev. Ntxiv nrog rau kev sib tw rau cov txiaj ntsig nrog cov neeg, lawv tsis tuaj yeem sawv cev rau qib siab lossis cov khoom lag luam tshiab;
5. Muaj ib qho kev yuav tsum tau tsim kho thev naus laus zis online thiab cov twj paj nruag los ua kom cov txheej txheem tswj tau;
6. Hauv hiav txwv liab ua lag luam, cov txiaj ntsig yog tsis muaj txiaj ntsig, uas tau muab nce mus rau ntau "trinitrile amine" hloov kho.