Rubber nwere ezigbo ngbanwe, mana ihe onwunwe a dị oke ọnụ na-eweta nnukwu ihe isi ike na mmepụta ngwaahịa. Ọ bụrụ na elasticity nke raw roba anaghị ebu ụzọ belata, ọtụtụ n'ime ike arụ ọrụ na-erepịa ya na nrụrụ na-agbanwe agbanwe n'oge usoro nhazi, a pụghịkwa inweta ọdịdị achọrọ. Nkà na ụzụ nhazi roba nwere ụfọdụ ihe achọrọ maka plasticity nke raw roba, dị ka ịgwakọta, nke na-achọkarị Mooney viscosity nke gburugburu 60, na ihicha roba, nke chọrọ Mooney viscosity nke gburugburu 40, Ma ọ bụghị ya, ọ gaghị ekwe omume ịrụ ọrụ nke ọma. . Ụfọdụ raw adhesives dị nnọọ ike, nwere nnukwu viscosity, na enweghị isi na mkpa usoro ihe onwunwe - ezi plasticity. Iji mezuo usoro a chọrọ, a ga-emerịrị rọba raw rọba iji bepụ agbụ molekụla wee belata ịdị arọ molekụla n'okpuru igwe, thermal, chemical na omume ndị ọzọ. Ngwakọta rọba nke na-efunahụ ike ya ruo nwa oge wee na-adị nro ma na-adị nro. Enwere ike ikwu na ịkpụzi rọba raw bụ ntọala nke usoro teknụzụ ndị ọzọ.
Ebumnuche nke ịkpụzi rubber raw bụ: nke mbụ, iji nweta akara ugo nke plasticity maka raw roba, na-eme ka ọ dị mma maka ịgwakọta, mpịakọta, extrusion, ịmepụta, vulcanization, yana ihe achọrọ nke usoro dị ka rubber slurry na sponge roba. mmepụta ihe; Nke abụọ bụ homogenize na plasticity nke raw roba iji mepụta roba ihe na otu àgwà.
Mgbe plasticization gasịrị, ihe anụ ahụ na kemịkalụ nke raw roba na-agbanwekwa. N'ihi ike na-arụ ọrụ siri ike na oxidation, usoro ihe omimi na ịdị arọ nke rọba ga-agbanwe ruo n'ókè ụfọdụ, ya mere ihe anụ ahụ na nke kemịkal ga-agbanwekwa. A na-egosipụta nke a na mbelata nke ngbanwe, mmụba nke plasticity, mmụba nke solubility, mbelata viscosity nke ngwọta roba, na mmụba nke nrapado nke ihe eji eme ihe. Ma ka plasticity nke raw roba na-abawanye, ike n'ibu nke roba vulcanized na-ebelata, nrụrụ na-adịgide adịgide na-abawanye, na nguzogide eyi na mgbochi ịka nká na-ebelata. Ya mere, plasticization nke raw rubber na-aba uru naanị maka usoro nhazi roba, ọ dịghịkwa akwado ịrụ ọrụ nke rubber vulcanized.
Oge nzipu: Jul-26-2023
