Synthetic rubber chimwe chezvitatu zvikuru zvekugadzira zvinhu uye chinoshandiswa zvakanyanya mumhando dzakasiyana dzeindasitiri, kudzivirira kwenyika, chekufambisa uye hupenyu hwezuva nezuva. Yepamusoro-inoshanda uye inoshanda synthetic rabha ndiyo kiyi yepamberi yakakosha zvinhu zvinodikanwa mukusimudzira nguva itsva, uye zvakare yakakosha hurongwa hwekushandisa nyika.
Special synthetic rubber materials inoreva zvinhu zverabha zvakasiyana kubva kune zvakajairwa rabha zvinhu uye zvine zvinhu zvakakosha senge yakakwirira uye yakaderera tembiricha kuramba, kuchembera kuramba, ablation kuramba, uye makemikari kuramba, kunyanya hydrogenated nitrile rubber (HNBR), thermoplastic vulcanizate (TPV) , Silicone rabha, fluorine rabha, fluorosilicone rabha, acrylate rabha, zvichingodaro iva zvinhu zvakakosha zvinodiwa pakuvandudza mazano makuru enyika uye minda ichiri kusimukira yakadai semuchadenga, kudzivirira kwenyika uye indasitiri yemauto, ruzivo rwemagetsi, simba, nharaunda, uye gungwa.
1. Hydrogenated nitrile rubber (HNBR)
Hydrogenated nitrile rubber chinhu chakanyanya kuzara rabha chinowanikwa nekusarudza hydrogenating iyo butadiene mauniti pane nitrile rabha cheni nechinangwa chekuvandudza kupisa kwekupisa uye kuramba kuchembera kwenitrile butadiene rabha (NBR). , chinhu chayo chikuru ndechekuti inogona kushandiswa kwenguva yakareba pa150 ℃, uye ichiri kukwanisa kuchengetedza yakakwirira yemuviri uye yemagetsi zvivakwa pakupisa kwakanyanya, iyo inogona kunyatso kuzadzisa zvakakosha zvekupisa tembiricha kuramba uye kuramba kwemakemikari kwezvinhu mumotokari. , aerospace, munda wemafuta nemimwe minda. Zvinodiwa, zvakanyanya uye zvakanyanya kushandiswa, senge mota dzemafuta zvisimbiso, emafuta system zvikamu, mabhandi ekufambisa emotokari, kuchera mabhokisi ekubata uye pistons edhaka, kudhinda uye machira erabha roller, zvisimbiso zvemuchadenga, zvinhu zvekuvhunduka, nezvimwe.
2. Thermoplastic Vulcanisate (TPV)
Thermoplastic vulcanizates, yakapfupikiswa seTPVs, ikirasi yakakosha ye thermoplastic elastomers iyo inogadzirwa ne "dynamic vulcanization" yeimmiscible musanganiswa we thermoplastics uye elastomers, kureva kusarudzwa kwechikamu che elastomer panguva yekunyunguduka kusanganiswa ne thermoplastic yekubatana Sexual cross-linking. Panguva imwecheteyo vulcanization yechikamu cherabha pamberi peiyo crosslinking agent (pamwe peroxides, diamines, sulfur accelerators, nezvimwewo) panguva yekunyunguduka kusanganiswa ne thermoplastics kunoguma mune inoshanduka vulcanizate inoenderera thermoplastic matrix inoumbwa neyakapararira yakachinjika murubha, dynamic vulcanization inotungamira mukuwedzera kwerabha viscosity, iyo inosimudzira chikamu inversion uye inopa multiphase morphology muTPV. TPV ine zvese zviri zviviri kuita kwakafanana neye thermosetting rabha uye yekumhanyisa kumhanya kwe thermoplastics, iyo inonyanya kuratidzwa muhupamhi hwekuita / mutengo chiyero, inochinjika dhizaini, huremu huremu, yakakura yekushanda tembiricha yemhando, kugadzirisa nyore, kunaka kwechigadzirwa uye kugadzikana kwedimensional Uye inodzokororwa, zvakanyanya. inoshandiswa muzvikamu zvemotokari, kuvaka kwemagetsi, zvisimbiso nemimwe minda.
3. Silicone rabha
Silicone rabha imhando yakakosha yerabha yekugadzira iyo inogadzirwa nemutsara polysiloxane yakasanganiswa neinosimbisa mafirita, anoshanda mafirita uye ekuwedzera, uye inova inetiweki-yakaita elastomer mushure mekuvhiyiwa pasi pekudziya uye nekumanikidza mamiriro. Iyo ine yakanakisa yakakwira uye yakaderera tembiricha kuramba, kuramba kwemamiriro ekunze, ozone kuramba, arc kuramba, magetsi ekudzivirira, hunyoro kuramba, kukwira kwemhepo uye physiological inertia. Iine huwandu hwakawanda hwekushandisa muindasitiri yemazuva ano, zvemagetsi nemagetsi, zvemotokari, zvekuvaka, zvekurapa, zvekutarisira wega uye mamwe minda, uye yave yakakosha yepamusoro-inoshanda zvinhu muaerospace, yekudzivirira uye yemauto indasitiri, hungwaru kugadzira nezvimwe minda. .
4. Fluorine rabha
Fluorine rabha zvinoreva fluorine-ine rabha zvinhu zvine maatomu efluorine pane kabhoni maatomu echeni huru kana mativi cheni. Hunhu hwayo hwakakosha hunotarwa nehunhu hwemaatomu efluorine. Fluorine rabha inogona kushandiswa pa 250°C kwenguva yakareba, uye tembiricha yepamusoro yebasa inogona kusvika 300°C, ukuwo tembiricha yetembiricha yechinyakare EPDM nebutyl rabha ingori 150°C. Pamusoro pekupisa tembiricha yakakwira, fluororubber ine yakanakisa kupikisa mafuta, makemikari kuramba, asidhi uye alkali kuramba, uye kuita kwayo kuzere ndiko kwakanyanya pakati pezvinhu zvese zverabha elastomer. Inonyanya kushandiswa kupikisa mafuta emaroketi, zvombo zvinokandwa, ndege, ngarava, mota uye dzimwe mota. Minda yechinangwa-chakakosha senge yekuvharisa uye mapaipi asingadzivirirwe neoiri zvinhu zvakakosha zvehupfumi hwenyika nekudzivirira kwenyika uye maindasitiri emauto.
5. Acrylate rabha (ACM)
Acrylate rubber (ACM) is elastomer inowanikwa necopolymerization yeacrylate seyo huru monomer. Cheni yayo huru ndeye saturated kabhoni cheni, uye mapoka ayo eparutivi mapoka epolar ester. Nekuda kwechimiro chayo chakakosha, ine akawanda akanakisa hunhu, senge kupisa kupisa, kuchembera, kuramba mafuta, ozone kuramba, UV kuramba, nezvimwe, mashandiro ayo emuchina uye kugadzirisa zvinhu zviri nani pane fluororubber nesilicone rabha, uye kupisa kwayo. , kuchembera kuramba uye mafuta kuramba zvakanaka. mu nitrile rabha. ACM inoshandiswa zvakanyanya munzvimbo dzakasiyana-siyana dzepamusoro-tembiricha uye dzinodzivirira mafuta, uye yave chinhu chekuisa chisimbiso chakagadziridzwa nekusimudzirwa neindasitiri yemotokari mumakore achangopfuura.
Nguva yekutumira: Sep-27-2022
