Sulfur mooy mineral bu bari ci nature, te amna solo lool ci wàllu paj . Waaye, ci bëti nit ñi, sulfur mën na gëna am njariñ ci jëfandikoo garab - agent vulcanizing ci produit kawsu { 2} agru ak kawsu ak kawsu ñu ngi koy wax itam ci M{3} Charles Goodyear, pàppay kawber{4}}
Taarixu cosaanu kawsu ak sulfur
Bi ñuy jëfandikoo produit yu yàgg yi, dañu yàgg a jëfandikoo kawsu . Ci jamono jooju, dañu daan jëfandikoo kawsu ngir adhésif yi ak yéere yi ñuy génne ci ndox, ndax kawsu bi dafa am fit buy ray nit, dafay yëg tàngoor . Lu tàngoor wi di gëna yéeg, dafay nekk lu nooy, di xeeñ bu baax; su tàngoor wi woyofee, dina nekk lu bari te dëgër.
Ci ete 1834, Goodyear bi dafa dem ci Company bu Indian bu New York {1} Lu mu jàng ni moomel bii di defar kawsu bi dafa sonal liggéeyukaay bi yépp, waaye kawsu amna ay mbir yu baax yu melni elastisite bu kawe, plastisite, ndox mu bari, ak isolation. Ci weeru janvier 1839, oxide plomb ak souf ngir boole ci gis-gis bu amul benn njariñ ci Good at bi ni defar kawsu dafa gëna baax, ngir màggal Charles 38 at ginaaw bi Goodyear génnee àdduna {11} Li Goodyear bi di def ci liggéeyum kawsu Etats Unis, Frank{12} Keblin tudde liggéeyukaay bi ci kawsu pënu bi mu sos, Goodyear, muy leegi benn ci ñatti defarkati pëno yi ci àdduna bi.
Nattu sulfur
Sulfur bi ñuy jëfandikoo ci liggéeyum kawsu mooy poudre mboq sulfur, sulfur ulfur, sulfur colloïde, sulfur buñ defaree, sulfur bu woyof, sulfur buñ defaree desulfurise ak sulfur sulfur bu amul critene bi.
Poudre soufre: mooy sulfur bi gëna bari luñu koy jëfandikoo ci liggéeyum kawsu.
Sulfur insoluble: homopolymer bu sulfur, ñu xamee ko ci sulfur polymérique {0} Li gëna am solo mooy produit bi yombul ñu koy spre, te dañu koy jëfandikoo bu bari ci produit kawsu yu melni pneu radial radial yu kawe.}
Sulfur Colloidal: Paj bi ñuy defaree poudre sulfur wala sulfur buñ defar ak ab agent buy tasaaroo. ñu koy jëfandikoo ci produit yi latex{1}}}
Rolu sulfur ci produit kawsu
Guddi bi cosaan amna performance bu baax, te mën na nekk lu am solo ngir sos barabu reso bu am ñatti dimension ci chaîne macromoleculaire lineer bi jaar ci cross-linking {2} {2} Li ñuy woowe cross-linking bi ñuy woowe vaulcanisation ci kawsu bi ndax cross-linking bu njëkk bi dafay am sulfur. Ginaaw bi kawsu bi jeexe, moomel bi dafay soppiku ndax structure bi dafay soppiku: kawsu bi du gëna dem solvant bu baax, modulu ak dëgëraay bi dafay gëna baax, màndarga mekanik yi dañu gëna baax, baña màgget ak stabilite chimik bu gëna baax. . Kon ginaaw bi ñu gisee sofur, kawsu nekk na macceer polymer bu am performance bu baax ak jëfandikoo bu yaatu.}
Dëgg la, defar benn reso vulcanisation ci kawsu dafa wara boole ak yeneen agents composé yu melni ab agent active ak ab promotër ngir sos sistem vulcanisation bu mat {0} Lu nit ñi am liggéey bu gëna rëy ngir defar produit kawsu. xeetu ak yeneen xeetu soufur ñu ngi defar ba noppi defar.}