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Kitso ya Rabara III: Rabara ya Setaerene-Butadiene (SBR)

2025-08-12

Rabara ya Styrene-Butadiene (SBR ka bokhutshwane) ke rabara ya maitirelo e e bopilweng ke go kopana ga styrene le butadiene. Ke nngwe ya dirabara tsa maitirelo tse di dirisiwang thata lefatshe ka bophara, e e dirang go feta 50% ya tlhagiso yotlhe ya rabara ya maitirelo. Dithoto tsa yone di fa gare ga tsa rabara ya tlholego (NR) le rabara ya butadiene (BR), mme e itsege ka go kgona go emelana le go onala sentle, go sa je madi a mantsi le go tlhomama thata.

Nbotso

Fdijo

Papiso le rabara ya tlholego (NR)

Kganelo ya kgotlhego

E botoka go feta NR, e siametse ditiragalo tsa kgotlhano e e kwa godimo (jaaka dikgato tsa dithaere)

The apara hanyetsa ya NR ke batlang e futsanehile.

Atwantsho

Kganetso ya antioxidant le ozone di kwa godimo ga NR (ka ntlha ya go nna teng ga diring tsa benzene)

NR e na le tshekamelo ya go tsofala mme e tlhoka go okediwa ka diokobatsi tse di lwantshang botsofe.

Borethe le Go Tlhagisa Mogote

Go elasticity go kwa tlasenyana go na le ga NR, mme go tlhagisiwa ga mogote o o fetofetogang go kwa godimo thata (fomula e tlhoka go tokafadiwa)

NR e na le elasticity babatsehang le tlaase mogote moloko.

Lkemelano ya themperetšha

 

Themphereitšhara e e kwa tlase e dira gore e nne le tshekamelo ya go thatafatsa (fa boemo bo le maswe le go feta, diteng tsa styrene di nna kwa godimo).

Themphereitšhara e e kwa tlase e dira gore e nne le tshekamelo ya go thatafatsa. (Styrene NR e na le kgono e e botoka ya go emelana le serame (-50°C e nna e fetofetoga))

Kgomarelo ya rabara

Go sa kgone go ikgomaretsa sentle; e tlhoka tiriso ya resin e e tokafatsang sekgomaretsi.

NR e na le dithoto tse di gaisang tsa go ikgomarela.

Tlhwatlhwa

tlase

Kwa godimo (e amiwa ke maemo a bosa)

Rabara ya Styrene-butadiene e na le boemo bo bohlokwa indastering ya dithaere, e fana ka dithaere tse nang le ho hanyetsa ho onala, dithoto tse kgahlano le botsofe le ho tshwara hantle. Mo godimo ga moo, e dirisiwa thata mo: dikarolong tsa dikoloi (ditiiso, di-shock absorbers, jj.), dikumo tsa madirelo (mabanta a a tsamaisang, Palamonwana ya go Tswalas, jj.), disebediswa tsa ho aha (maqephe a thibelang metsi), disebediswa tsa bongaka (dipeipi tsa rabara tsa bongaka, ditlelafo, jj.), dikgomaretsi le dikhurumetso, jj.

Batlhagisi ba bagolo ba lefatshe ka bophara: Sinopec, PetroChina, Lanxess, Trinseo, Asahi Kasei, jj.

Mefuta ya dihlahiswa e kenyelletsa di-O-ring le dintho tse entsweng ka tlwaelo bakeng sa bareki.