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Kev Paub Txog Roj Hmab III: Roj Hmab Styrene-Butadiene (SBR)

2025-08-12

Roj Hmab Styrene-Butadiene (SBR luv luv) yog roj hmab tsim los ntawm kev sib xyaw ua ke ntawm styrene thiab butadiene. Nws yog ib qho ntawm cov roj hmab tsim siv dav tshaj plaws thoob ntiaj teb, suav txog ntau dua 50% ntawm tag nrho cov roj hmab tsim tawm. Nws cov yam ntxwv nyob nruab nrab ntawm cov roj hmab ntuj (NR) thiab roj hmab butadiene (BR), thiab nws paub zoo rau nws txoj kev tiv taus zoo heev, tus nqi qis, thiab kev ruaj khov siab.

Nature

Fyam ntxwv

Kev sib piv nrog roj hmab ntuj (NR)

Kev tiv thaiv kev sib txhuam

Zoo dua li NR, tsim nyog rau cov xwm txheej muaj kev sib txhuam siab (xws li cov log tsheb)

Qhov kev tiv thaiv kev hnav ntawm NR tsis zoo.

Ibkev tiv thaiv

Kev tiv thaiv antioxidant thiab ozone zoo dua li NR (vim muaj benzene rings)

NR yog ib qho yooj yim rau kev laus thiab xav tau kev ntxiv cov neeg sawv cev tiv thaiv kev laus.

Elasticity thiab Kub Generation

Qhov elasticity qis dua li ntawm NR, thiab lub zog cua sov dynamic siab heev (cov mis yuav tsum tau ua kom zoo dua)

NR muaj qhov elasticity zoo heev thiab tsis tshua muaj cua sov.

Lkub tsis kam

 

Qhov kub qis ua rau nws yooj yim tawv (qhov xwm txheej phem dua, qhov siab dua ntawm cov ntsiab lus ntawm styrene).

Qhov kub qis ua rau nws yooj yim tawv. (Styrene NR muaj kev tiv taus txias zoo dua (-50 ° C tseem yoog tau))

Kev nplaum roj hmab

Tsis nplaum tus kheej zoo; yuav tsum tau siv cov tshuaj nplaum txhim kho.

NR muaj cov khoom zoo heev rau nws tus kheej.

Tus nqi

qis dua

Siab dua (cuam tshuam los ntawm huab cua)

Cov roj hmab Styrene-butadiene tuav txoj haujlwm tseem ceeb hauv kev lag luam log tsheb, muab cov log tsheb uas tiv taus kev hnav, tiv thaiv kev laus thiab tuav zoo heev. Tsis tas li ntawd, nws yog siv dav hauv: cov khoom siv tsheb (cov foob, cov khoom nqus dej, thiab lwm yam), cov khoom lag luam (cov siv conveyor, Lub nplhaib kaws, thiab lwm yam), cov ntaub ntawv siv hauv tsev (cov ntawv tiv dej), cov khoom siv kho mob (cov raj roj hmab kho mob, hnab looj tes, thiab lwm yam), cov nplaum thiab cov tshuaj pleev xim, thiab lwm yam.

Cov chaw tsim khoom loj thoob ntiaj teb: Sinopec, PetroChina, Lanxess, Trinseo, Asahi Kasei, thiab lwm yam.

Cov hom khoom suav nrog O-rings thiab cov khoom ua raws li cov neeg siv khoom.