roba roba daya daga cikin manyan abubuwa uku na roba kuma ana amfani dashi sosai a fannoni daban-daban na masana'antu, tsaron kasa, sufuri da rayuwar yau da kullun.Ƙaƙƙarfan aiki da aikin roba wani muhimmin abu ne na yau da kullun da ake buƙata don haɓaka sabon zamani, kuma yana da mahimmancin dabarun dabarun ƙasa.
Abubuwan roba na musamman na roba suna nufin kayan roba waɗanda suka bambanta da kayan roba na gabaɗaya kuma suna da kaddarorin musamman kamar tsayin daka da ƙarancin zafin jiki, juriya na tsufa, juriya, juriya na sinadarai, galibi hydrogenated nitrile rubber (HNBR), thermoplastic vulcanizate (TPV) , Silicone roba, fluorine roba, fluorosilicone roba, acrylate roba, da dai sauransu Saboda ta musamman Properties, musamman roba kayan sun zama key kayan da ake bukata domin ci gaban da manyan kasa dabarun da kunno kai filayen kamar sararin samaniya, kasa tsaro da kuma soja masana'antu. bayanan lantarki, makamashi, muhalli, da teku.
1. Hydrogenated nitrile roba (HNBR)
Ruwan roba na nitrile wani abu ne mai cike da ruwa wanda aka samu ta hanyar zaɓin hydrogenating ɗin raka'o'in butadiene akan sarkar robar nitrile don manufar inganta juriyar zafi da juriya na nitrile butadiene roba (NBR)., Babban fasalinsa shi ne cewa ana iya amfani da shi na dogon lokaci a 150 ℃, kuma har yanzu yana iya kula da manyan kaddarorin jiki da na injina a babban zafin jiki, wanda zai iya cika buƙatun musamman na juriya mai zafin jiki da juriya na sinadarai a cikin mota. , sararin samaniya, filin mai da sauran filayen.Abubuwan da ake buƙata, ana amfani da su sosai, kamar hatimin mai na mota, abubuwan tsarin man fetur, bel ɗin watsa mota, kwalaye rikodi da pistons don laka, bugu da na'urorin roba na yadi, hatimin sararin samaniya, abubuwan sha da girgiza, da sauransu.
2. Thermoplastic Vulcanizate (TPV)
Thermoplastic vulcanizates, raguwa a matsayin TPVs, su ne na musamman aji na thermoplastic elastomers da aka samar ta "tsari vulcanization" na immiscible blends na thermoplastics da elastomers, watau zaɓi na elastomer lokaci a lokacin narkewa tare da thermoplastic Jima'i giciye-linking.Lokaci guda vulcanization na roba lokaci a gaban wani crosslinking wakili (yiwu peroxides, diamines, sulfur accelerators, da dai sauransu) a lokacin narke blending da thermoplastics sakamakon a tsauri vulcanizate m thermoplastic matrix hada da tarwatsa crosslinked roba A barbashi a cikin lokaci, tsauri. vulcanization yana haifar da karuwa a cikin danko na roba, wanda ke inganta juzu'i na lokaci kuma yana samar da nau'i mai yawa a cikin TPV.TPV yana da duka wasan kwaikwayon kama da roba na thermosetting da saurin aiki na thermoplastics, waɗanda galibi ana bayyana su a cikin babban aiki / ƙimar farashi, ƙira mai sassauƙa, nauyi mai nauyi, kewayon zafin aiki mai faɗi, sauƙin sarrafawa, ingancin samfur da kwanciyar hankali kuma ana iya sake yin amfani da su, ko'ina. ana amfani da su a sassa na mota, gina wutar lantarki, hatimi da sauran fannoni.
3. Silicone roba
Silicone rubber wani nau'in roba ne na musamman na roba wanda aka yi shi da polysiloxane madaidaiciya wanda aka haɗe tare da filaye masu ƙarfi, kayan aikin aiki da ƙari, kuma ya zama elastomer mai kama da hanyar sadarwa bayan vulcanization ƙarƙashin yanayin dumama da matsa lamba.Yana da kyau kwarai high da low zafin jiki juriya, weather juriya, lemar sararin samaniya juriya, baka juriya, lantarki rufi, danshi juriya, high iska permeability da physiological inertia.Yana da aikace-aikace iri-iri a masana'antar zamani, lantarki da lantarki, kera motoci, gini, likitanci, kulawar mutum da sauran fagage, kuma ya zama babban kayan aiki mai mahimmanci a cikin sararin samaniya, masana'antar tsaro da soja, masana'anta na fasaha da sauran fannoni. .
4. Fluorine roba
Fluorine roba yana nufin wani abu na roba mai ɗauke da fluorine mai ɗauke da atom ɗin fluorine akan atom ɗin carbon na babban sarƙoƙi ko sassan gefe.Ana ƙayyade kaddarorinsa na musamman ta hanyar sifofin sifofi na atom ɗin fluorine.Za a iya amfani da roba na Fluorine a 250 ° C na dogon lokaci, kuma matsakaicin zafin sabis zai iya kaiwa 300 ° C, yayin da iyakar sabis na EPDM na gargajiya da kuma butyl rubber shine kawai 150 ° C.Bugu da ƙari, juriya mai zafi, fluororubber yana da kyakkyawan juriya na mai, juriya na sinadarai, juriya na acid da alkali, kuma cikakken aikin sa shine mafi kyau a cikin dukkanin kayan elastomer na roba.Ana amfani da shi ne don jurewar mai na rokoki, makamai masu linzami, jiragen sama, jiragen ruwa, motoci da sauran ababen hawa.Filaye masu manufa na musamman irin su rufewa da bututun mai da ke jure wa man fetur, abubuwa ne masu mahimmanci ga tattalin arzikin ƙasa da masana'antun tsaro da na soja.
5. Acrylate roba (ACM)
Acrylate rubber (ACM) wani elastomer ne da aka samu ta hanyar copolymerization na acrylate a matsayin babban monomer.Babban sarkarsa cikakkiyar sarkar carbon ce, kuma rukunoninsa na gefensa kungiyoyin ester ne.Saboda tsarinsa na musamman, yana da kyawawan halaye masu yawa, kamar juriya na zafi, juriyar tsufa, juriyar mai, juriya na ozone, juriya UV, da dai sauransu, kayan aikin injinsa da kayan sarrafa shi sun fi fluororubber da silicone robar, da juriyar zafinsa. , juriya na tsufa da juriya na mai suna da kyau.a cikin roba nitrile.Ana amfani da ACM sosai a wurare daban-daban masu zafi da juriya na mai, kuma ya zama abin rufewa da masana'antar kera ke haɓakawa da haɓakawa a cikin 'yan shekarun nan.
Lokacin aikawa: Satumba-27-2022