Ukuhlukaniswa nezimpawu zenjoloba ekhethekile

Irabha yokwenziwa lingenye yezinto ezintathu zokwenziwa ezinkulu futhi zisetshenziswa kabanzi ezicini ezahlukahlukene zezimboni, ukuvikela izwe, ukuthuthwa kwempilo kanye nempilo yansuku zonke. Ukusebenza okuphezulu kanye nerabha yokwenziwa okusebenzayo kuyinto ebalulekile eyisisekelo impahla eyisisekelo yokuthuthukiswa kwenkathi entsha, futhi futhi iyinsiza ebalulekile yamasu wezwe.

Izinto ezikhethekile zokwenziwa zenjoloba zibhekisela ezintweni ezisetshenziswayo zenjoloba ezihlukile kwezinto ezisetshenziswayo zenjoloba futhi zinezakhiwo ezikhethekile ezinjengokumelana nokushisa kwe-nitrile, kanye ne-armoorine, irabha, irabha le-airlarone, irabha le-fluorosiline, irabha le-acrylate, njll. Ngenxa yezakhiwo zayo ezikhethekile, izinto ezikhethekile zenjoloba ziye zaba yizinto ezibalulekile ezidingekayo ekuthuthukisweni kwamasu amakhulu kazwelonke kanye nezinkundla zezempi ezifana nezempi, imininingwane yezempi, amandla, imvelo kanye nolwandle.

1. I-nitrile rubber ye-hydrogenated (HNBR)

I-Hydrogenated Nitrile Rubber igcwele irabha etholakele ngokukhetha ama-hydrogenating amayunithi we-batediene ku-nitrile Rubber chain chain ngenhloso yokuthuthukisa ukushisa nokuphikisana ne-nitrile buthaneene rubber (NBR). , isici salo esikhulu ukuthi singasetjenziswa isikhathi eside ngo-150 ℃, futhi sisengakugcina izakhiwo eziphakeme zomzimba nezemishini ekushiseni okuphezulu, okungahlangabezana kahle nezidingo ezikhethekile zokumelana kwezimoto, i-aerospace kanye nezinye izinkambu. Izidingo, zisetshenziswe kabanzi, njengezimpawu zamafutha ezimoto, izingxenye zohlelo lwe-Fuel, amabhande okuhambisa izimoto, amabhokisi okuhambisa izimoto, izimbotshana zenjoloba ngodaka, ukuphrinta kanye nezimpawu zenjoloba, njll.

2. I-Thermoplastic Vulcanizate (TPV)

I-Thermoplastic Vulcanizates, ifinyezwe njengama-TPVs, iyi-class ekhethekile yama-thermoplastic elastomers akhiqizwa yi-thermoplastics engenakuqhathaniswa nama-elastomers, okungukuthi ukukhethwa kwesigaba se-elastomer ngesikhathi kuncibilikisa ukuxubana kwe-thermoplastic. Simultaneous vulcanization of the rubber phase in the presence of a crosslinking agent (possibly peroxides, diamines, sulfur accelerators, etc.) during melt blending with thermoplastics results in a dynamic vulcanizate continuous thermoplastic matrix composed of dispersed crosslinked rubber The particles in the phase, dynamic vulcanization leads to an increase in rubber viscosity, which Ikhuthaza ukuguqulwa kwesigaba futhi ihlinzeka nge-multiphase morphology ku-TPV. I-TPV inakho konke ukusebenza okufana ne-thermosetting irabha kanye nejubane lokucubungula ama-thermoplastics, abonakaliswa kakhulu ekusebenzeni okuphezulu / okulula, ukulungiswa komkhiqizo, kusetshenziswa kabanzi ezicini lezimoto, kwakhiwa amandla kanye nezinye izinkambu.

3. Irabha le-silicone

I-Silicone Rubber uhlobo olukhethekile lwenjoloba yokwenziwa eyenziwe ngomugqa we-polysiloxane oxutshwe nama-fillers, ama-filler asebenzayo kanye ne-elastomer, futhi iba yi-elastomer enjenge-vulcanization ngaphansi kwezimo zokushisa kanye nezimo zokucindezela. Inokumelana okuhle kakhulu okushisa okuphezulu nokuphansi, ukumelana kwesimo sezulu, ukumelana kwe-ozone, ukumelana kwe-arc, ukumelana kukagesi, ukumelana kukagesi, ukumelana nomswakama, ukumela komoya okuphezulu. Inezinhlobonhlobo zezicelo embonini yanamuhla, ngogesi kanye nogesi, izimoto, ezokwakha, ukunakekelwa komuntu siqu kanye nezinye izinkambu, futhi sekuyizinto ezisemqoka eziphakeme kakhulu e-Aerospace, Defence kanye nezempi embonini yamasosha, ukukhiqizwa kwengqondo kanye nezinye izinkambu.

4. Injoloba ye-Fluorine

IRubber ye-Fluorine isho impahla enjoloba equkethe ama-athomu we-fluorine aqukethe ama-athomu ama-fluorine kuma-athomu e-carbon of the main chain noma amaketanga aseceleni. Izakhiwo zalo ezikhethekile zinqunywa yizici zesakhiwo zama-athomu we-fluorine. I-Fluorine irabha ingasetshenziswa ku-250 ° C isikhathi eside, futhi izinga lokushisa eliphakeme kakhulu lingafinyelela ama-300 ° C, ngenkathi izinga lokushisa lenkonzo lilinganiselwe le-EPDM yendabuko kanye ne-butyl ° kuphela c. Ngaphezu kokumelana nokushisa okuphezulu, i-fluororubhurur inokumelana kahle kwamafutha, ukumelana kwamakhemikhali, ukumelana ne-alkali kanye nokumelana kwayo okuphelele kungcono kakhulu phakathi kwazo zonke izinto zenjoloba zenjoloba. Isetshenziselwa ukumelana kawoyela amarokhethi, imicibisholo, izindiza, izimoto, izimoto nezinye izimoto. Izinkambu ezikhethekile ezifana nokubekwa uphawu kanye namapayipi amelana namafutha kunezinto ezibalulekile ezibalulekile zomnotho wezwe kanye nezimboni zezempi kanye nezempi.

I-5. I-acrylate rubber (acm)

I-acrylate rubber (ACM) yi-elastomer etholwe nge-copolymerization ye-acrylate njenge-monomer enkulu. Iketanga layo eliyinhloko liyiqoqo lekhabhoni eligcwele, futhi amaqembu alo aseceleni angamaqembu e-polar ester. Ngenxa yesakhiwo sayo esikhethekile, inezimpawu eziningi ezinhle kakhulu, njengokumelana nokushisa, ukumelana nokuguga, ukumelana kwamafutha, ukumelana kwayo kungcono kakhulu kune-fluororororocubber kanye nokuphikiswa kwayo, ukumelana nokushisa kwayo, ukumelana nokuguga kuhle kakhulu. e-nitrile rubber. I-ACM isetshenziswa kabanzi ezindaweni ezahlukahlukene zokushisa okushisa nasezindaweni ezingamelana namafutha, futhi isibe yinto ebekelwe uphawu yathuthukiswa futhi yathuthukiswa ngumkhakha wezimoto eminyakeni yamuva.