Jiri SBS dị ka ihe bụ isi iji nyochaa ndị mmekọ dabara adaba na usoro ha. Jiri igwekota nkịtị tinye akụkụ ụfọdụ nke masterbatch na reactor, kpoo ma gwakọta ya na bitumen matrix dị iche iche na ihe dịka 160 Celsius, wee mee masterbatch site na usoro nhazi.
Ebe ọ bụ na bitumen na-agbanwe agbanwe na-achọ ka a na-eji ngwá ọrụ pụrụ iche dị ka nnukwu igwe igwe colloid maka nhazi, na naanị polymer ka a na-eji ejikọta bitumen gbanwetụrụ, ọ na-abụkarị ngwakọta anụ ahụ dị mfe, ọ dịghịkwa njikọ kemịkalụ n'etiti polymer modifier na matrix. bitumen. Nkwụsi ike nke usoro agwakọta adịghị mma, yana teknụzụ na-emekọ ihe nke SBS na dakọtara compatibilizer iji mee ka SBS gbanwetụrụ bitumen masterbatch na-eme ka omume viscosity eruba nke otu SBS modifier na-ebelata okpomọkụ nke viscosity eruba mpaghara nke masterbatch. , The blending okpomọkụ na-ebelata si 180 ~ 190 ℃ ka 160 ℃, na ojiji nke ot Ịgwakọta ngwá nwere ike izute edo dispersion na Ịgwakọta nke polymer na bitumen, si otú mbenata mmepụta rigor na-azọpụta mmepụta ụgwọ.
Ngwọta styrene a nụchara anụcha + ihe a nụchara anụcha + butadiene a nụchara anụcha + antioxidant → polymerization → ngwakọta mmeghachi omume → nhazi nhazi, nkwakọ ngwaahịa