Eke roba, dị ka anyị na-ekwukarị banyere ya, bụ ihe siri ike nke sitere na latex eke a na-anakọta site na osisi roba, mgbe coagulation, ihicha na usoro nhazi ndị ọzọ.Igwe rọba eke bụ ngwakọta polymer eke nwere polyisoprene dị ka akụkụ ya bụ isi, yana usoro molekụla (C5H8) n.Ọdịnaya hydrocarbon rọba (polyisoprene) karịrị 90%, o nwekwara obere protein, fatty acids, sugar na ash.
Njirimara anụ ahụ nke roba eke.Eke roba nwere nnukwu ngbanwe na ụlọ okpomọkụ, obere plastik, ike ọrụ dị mma nke ukwuu, nkwụsị hysteresis dị ala, obere okpomọkụ ọgbọ n'oge ọtụtụ deformations, ya mere nkwụsi ike ya dịkwa mma nke ukwuu, na n'ihi na ọ bụ roba na-abụghị polar, ọ dị mma. ihe mkpuchi ọkụ eletrik.
Roba, ya na plastik na eriri, bụ otu n'ime ihe atọ sịntetịt nwere ogo dị elu nke ịgbatị na ngbanwe.A na-eji rọba mara nke mbụ site na obere modul nke elasticity na oke elongation ọnụego.Nke abuo, o nwere ezigbo nguzogide permeability yana iguzogide mgbasa ozi kemịkalụ dị iche iche na mkpuchi eletriki.Ụfọdụ rubbers sịntetik pụrụ iche nwere ezigbo mmanụ na nguzogide okpomọkụ, na-eguzogide ọzịza nke mmanụ abụba, mmanụ mmanụ, mmanụ hydraulic, mmanụ mmanụ na mmanụ ihe mgbaze;Nguzogide oyi nwere ike ịdị ala dị ka -60°C ruo -80°C na nguzogide okpomọkụ nwere ike ịdị elu ka +180°C ruo +350°C.Rubber na-eguzogidekwa ụdị mgbanwe ọ bụla na-agbanwe agbanwe ma na-ehulata, n'ihi na mfu hysteresis dị ntakịrị.Njirimara nke atọ nke roba bụ na enwere ike iji ya mee ihe, jikọta ya na ihe dị iche iche ma si otú a gbanwee iji nweta ezigbo ngwakọta nke ihe onwunwe.
Oge nzipu: Jun-20-2023
