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Ditaba tše di Kgethilwego

Tsebo ya Rabara III: Rabara ya Styrene-Butadiene (SBR) .

2025-08-12 ya go swana le yona

Styrene-Butadiene Rabara (SBR ka boripana) ke rabara ya maitirelo yeo e bopilwego ke copolymerization ya styrene le butadiene. Ke ye nngwe ya diraba tša maitirelo tše di šomišwago kudu lefaseng ka bophara, e tšea karolo ya go feta 50% ya palomoka ya tšweletšo ya rabara ya maitirelo. Dithoto tša yona di magareng ga tša raba ya tlhago (NR) le raba ya butadiene (BR), gomme e tumile ka go thibela ga yona mo gobotse kudu ga go apara, ditshenyagalelo tša fase le go tsepama mo go phagamego.

Nature

Feature ya go ja

Papiso le rabara ya tlhago (NR) .

Kganetšo ya go gohla

E kaone go feta NR, e loketše maemo a kgohlano a magolo (a bjalo ka di-tread tša dithaere) .

Go ganetša go apara ga NR go fokola kudu.

A. Atwantšho

Antioxidant le go ganetša ozone di phagametše NR (ka lebaka la go ba gona ga mehele ya benzene) .

NR e na le tshekamelo ya go tšofala gomme e nyaka tlaleletšo ya didirišwa tša go lwantšha botšofadi.

Elasticity le Moloko wa Mocheso

Elasticity e tlase go se nene go feta ya NR, gomme moloko wa phišo wo o fetogago o phagame kudu (fomula e swanetše go lokišwa gabotse) .

NR e na le elasticity e babatsehang le moloko oa mocheso o tlase.

Low go ganetša themperetšha

 

Thempheretšha ya fase e dira gore e be le tshekamelo ya go thatafala (ge seemo se mpefala, ke moo diteng tša styrene di lego godimo).

Thempheretšha ya fase e dira gore e be le tshekamelo ya go thatafala. (Styrene NR e na le go ganetša go tonya mo go kaone (-50°C e dula e fetofetoga))

Sekgomaretši sa rabara

Go ikgomarela mo go fokolago; e nyaka tšhomišo ya resin ya go godiša sekgomaretši.

NR e na le thepa e babatsehang ho ikgomarela.

Tshenyegelo

fasana

Phahameng (e ameha ke boemo ba leholimo) .

Rabara ya styrene-butadiene e swere maemo a bohlokwa ka intastering ya dithaere, e fa dithaere ka go ganetša go apara, dithoto tša go lwantšha botšofadi le go swara gabotse kudu. Go tlaleletša, e šomišwa kudu go: dikarolo tša dikoloi (ditiiso, di-shock absorber, bjalobjalo), ditšweletšwa tša intasteri (mabanta a go sepetša, . Ring ya go tiišas, bjalobjalo), didirišwa tša go aga (matlakala ao a sa tsenego meetse), didirišwa tša kalafo (diphaephe tša rabara tša kalafo, diatlana, bjalobjalo), dikgomaretši le dilo tše di tloditšwego, bjalobjalo.

Batšweletši ba bagolo ba lefase ka bophara: Sinopec, PetroChina, Lanxess, Trinseo, Asahi Kasei, bj.bj.

Mehuta ya ditšweletšwa e akaretša di-O-ring le dilo tšeo di dirilwego ka mokgwa wa go ikgetha bakeng sa bareki.