NBR yafi samar da ƙananan zafin jiki na emulsion polymerization, tare da kyakkyawan juriya na mai, babban juriya na abrasion, juriya mai kyau da kuma mannewa mai karfi.Lalacewarsa shine rashin juriya mara ƙarancin zafin jiki, ƙarancin juriya na ozone, ƙarancin aikin rufewa, da ƙarancin ƙarfi kaɗan.NBR da aka yafi amfani a yi na mai-resistant roba kayayyakin, da dama mai-resistant gaskets, gaskets, hannayen riga, taushi marufi, taushi tiyo, bugu da rini rollers, na USB roba kayan, da dai sauransu Ya zama wani muhimmin roba abu. a cikin motoci, sufurin jiragen sama, man fetur, kwafi da sauran masana'antu.
NBR aka yafi samar da low zafin jiki emulsion polymerization Hanyar, tare da kyau kwarai mai juriya, high lalacewa juriya, mai kyau zafi juriya da kuma karfi adhesion.Lalacewarsa shine rashin juriya mara ƙarancin zafin jiki, ƙarancin juriya na ozone, ƙarancin aikin rufewa, da ƙarancin ƙarfi kaɗan.Ana amfani da NBR galibi a cikin kera samfuran roba masu jure mai, nau'ikan gaskets masu jure mai, gaskets, hannayen riga, marufi mai laushi, bututun roba mai laushi, bugu da rini, rollers na USB, kayan roba, da dai sauransu Ya zama mahimmancin roba. kayan aiki a cikin motoci, jiragen sama, man fetur, kwafi da sauran masana'antu.
NBR yana da kyakkyawan juriya mai.Butadiene monomer za a iya copolymerized zuwa uku daban-daban sarkar Tsarin: cis, trans da 1,2-焼 kungiyoyin.Tsarin NBR na yau da kullun shine kusan 78% trans.Saboda kasancewar cyano a cikin tsarin sarkar kwayoyin halitta na NBR, juriya na man fetur (misali, zuwa man fetur na ma'adinai, mai mai ruwa, mai da dabba da kayan lambu, da kaushi) ya fi na roba na halitta, neoprene, da styrene-butadiene roba.Idan aka kwatanta da sauran rubbers, NBR yana da mafi girman kewayon zafin sabis, zazzabin sabis na tsawon lokaci shine 120oC.A halin yanzu, NBR yana da kyakkyawan juriya mai ƙarancin zafin jiki, mafi ƙanƙan yanayin canjin gilashin zai iya kaiwa -55oC.
NBR yana da kyakkyawan kwanciyar hankali na sinadarai da kyakkyawan aikin sarrafawa.Yayin da girman dangi ya karu tare da abun ciki na propylene nitrile a cikin tsarinsa, saurin vulcanization yana haɓaka kuma ana inganta ƙarfin ƙarfin ƙarfi, amma aikin juriya yana raguwa kuma juriya na sanyi ya zama mara kyau.NBR roba ce ta semiconductor saboda cyano a cikin NBR yana da sauƙin polarized ta filin lantarki, don haka kayan aikin dielectric yana raguwa.nBR za a iya raba kashi 5 na matsananci-high, high, matsakaici-high, matsakaici da ƙananan propylene nitrile bisa ga matakin abun ciki na ACN.Hanyar samarwa ta kasu kashi zuwa ci gaba da hanyar polymerization mai tsaka-tsaki.Ana amfani da hanyar polymeriation da aka saba amfani da fewan nau'ikan da kuma manyan samar da haɓaka samarwa tare da ƙarancin amfani.Hanyar tsadar amfani da kayan polymeriation ta dace da yawan abubuwa iri-iri da ƙananan samarwa, alamar polymeriation ta amfani da ƙaramin adadin injiniya da gini.Ya zuwa yanzu, baya ganin yanayin maye gurbin juna.
Ko da yake NBR yana da kyau kwarai jiki da inji Properties da aiki yi, amma dogon lokaci a cikin acidic fetur da kuma high zafin jiki (150oC) yanayi ba shi da kyau a matsayin aikin fluorine-kamar roba da propionic acid sanyi roba, saboda wannan dalili Jamus kamfanonin Jamus. , Kamfanonin Kanada da kamfanonin Japan don haɓaka kyakkyawan aiki na roba na nitrile na hydrogenated (HNBR).Bugu da kari, mun kuma ɓullo da NBR tare da musamman high sanyi juriya da high tsarki da kuma XNBR.
Fassara da www.DeepL.com/Translator (sigar kyauta)
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Lokacin aikawa: Dec-05-2022