Roba wani nau'in polymer na roba na roba, a ƙarƙashin aikin ƙaramin karfi na waje, zai iya nuna babban digiri na waje, kuma bayan an cire ƙarfi na waje, kuma bayan an cire ƙarfi na waje, zai iya komawa zuwa asalinta. Saboda babban elasticity na roba, ana amfani dashi sosai a cikin matsi, da sauransu aikace-aikacen sawun ya hada da jakunkuna na roba daban-daban. Tare da ci gaban masana'antar roba, kayayyakin roba sun haɓaka daga amfani da roba guda ɗaya na roba na zahiri don ƙwararrun ƙwayoyin roba da yawa.
1. Roba na zahiri
Roba na zahiri ana mamaye ta ta hanyar hydrocarbons na roba (polyisoprene), yana dauke da karamin adadin furotin, ruwa, resin acid, sugars da kuma salts da kuma kayan ado na ciki. Roba na zahiri yana da babban adadin elility, ƙarfi mai ƙarfi, mai kyau hade da rufin wutar lantarki, kyakkyawan sa, kyakkyawan aikin juriya da na fari. Gauratura na roba na halitta ba shi da kyau juriya ga iskar oxygen da ozone, mai sauƙin tsufa da lalacewa; Rashin jure wa mai da ƙarfi, ƙananan juriya ga acid da alkali, karancin juriya; low juriya. Matsakaicin zafin jiki na kayan aiki na ɗabi'a: game da -60℃~ 80℃. Ana amfani da roba na zahiri don yin tayoyin, takalmin roba, hoses, ƙuƙwalwa, yadudduka na wayoyi da igiyoyi, da sauran samfuran. Roba na zahiri yana dacewa musamman don ƙirƙirar kawarwar Vibrisators, injin ya tallafawa abubuwa, diaphragms, diaphras da aka gyara.
2. SBR
SBB shine ɗan wasa na Butdadene da Styrene. Ayyukan Roba-Barrenen Roba na kusa da na roba na zahiri, kuma a halin yanzu shine mafi girman samarwa na janar na gaba daya. Halayen roba na Styrene-BugeDene shine cewa sanya juriya, tsufa da juriya na zafi ya wuce roba na zahiri, da kuma kayan aikinta ya fi dacewa da roba na zahiri. Rashin daidaituwa na roba-bearadiene roba sune: low arewation, talauci mai sassaucin ra'ayi da juriya; Aiki mai zurfi, musamman matalauta kai-ƙiyayya da kai da karancin roba mai karfin gwiwa. Yawan zafin jiki na Styrene-Buganeene Roba: Game da -50℃~ + 100℃. An yi amfani da kalmar sirren Styrene don maye gurbin roba na halitta don yin tayoyin, zanen roba, hoses, takalmin roba da sauran samfuran ƙasa
3. Roba Nitrile
Nitrile roba shine wani copymer na butdadene da acrylonitrile. Nitrile roba yana sananniyar juriya ga gas da alkama na roba, na biyu kawai daga roba roba, yayin da nitrile roba mai kyau zuwa ga sauran dalilai rubvers. Kyakkyawan juriya na zafi, tsananin iska, sanye da juriya da juriya, da m m. Rashin daidaituwa na yaran nitrile shine mummunan sanyi juriya da kuma juriya na ozone, tsayayyen olarfafa, talauci acid ga abubuwan da aka soke. Yawan zafin jiki na nitrile roba: game da -30℃~ + 100℃. Ana amfani da roba na Nitrile don ƙirƙirar samfuran samfurori masu tsayayya mai, kamar su Hoses, samfuran roba, da sauransu.
4. Hydomenated roba roba
Hydrogenated nitrile roba shine wani copolmer na butdadene da acrylonitrile. Ana samun roba mai narkewa ta hanyar cikakken iko ko kuma a wani ɓangare hydrogenating da biyu shaidu a cikin bututun na NBR. Hydrogenated Nitrile Roba Resistance an san shi da babban ƙarfi na injin da abrasion, juriya yana da kyau fiye da NBR lokacin da aka tsallake tare da roba mai ɗorawa. Rashin amfani da roba mai narkewa shine mafi girman farashinsa. Yawan zafin jiki na hydomenated nitrile roba: game da -30℃~ 150℃. An yi amfani da yangar nitrogen da aka yi amfani da shi don samfuran mai mai-zazzabi da manyan abubuwa masu tsayayya da su.
5. Ethylene Propyleene roba
Ethylene Propylenep wani copyler na ethylene da propylene, kuma gaba ɗaya ya kasu kashi biyu na ethylene propylene propylene provyleene roba da ethylene roba. Ethylene-propylene roba mai kyau da kyau kyau sosai Ozone juriya, juriya na Ulvioet da juriya na tsufa, ranking na farko tsakanin manyan manufofin da aka yi. Rogin da ke cikin Ethylene-propylene yana da rufin wutan lantarki, juriya, yana tasiri, acid da alkurity juriya, kuma ana iya amfani da nauyi don cika nauyi. Jurewa da zafi zai iya kaiwa 150°C, kuma yana da tsayayya ga Polares-Kettones, Esters, da sauransu, amma Hydrocarbons mai ƙanshi mai ƙanshi. Sauran kayan jiki da na injiniyan ethylene propyleene roba suna dan kadan zuwa roba na halitta kuma mafi girma ga styrene buttonadiene. Rashin kyawun ƙirar ethylene-propyleene roba shi ne cewa yana da rashin amincin kai da rashin yarda da juna, ba shi da sauki ga bond. Matsayin zafin jiki na ethylene propyleene roba: game da -50℃~ 150℃. Ana amfani da roba na Ethylene-propyleene azaman kayan aikin sunadarai, waya da kebul na bel, kayayyakin jirgin ruwa, kayayyakin jirgin ruwa da sauran kayayyakin masana'antu.
6. Silicone roba
Silicone Roba ne na musamman tare da silicon da oxygen atoms a cikin babban sarkar. Silicon kashi yana taka rawa sosai a cikin silicone. Babban halaye na silicone roba juriya (har zuwa 300°C) da ƙananan yanayin zazzabi (ƙasa -100°C). A halin yanzu shine mafi kyawun zafin jiki mai tsauri mai tsauri; A lokaci guda, silicone roba yana da kyakkyawan rufin lantarki kuma yana da barga ga hadawan shaye shaye da ozone. Yana da matukar tsayayya da cutar sankara. Rashin daidaituwa na silicone na silicone suna da karancin ƙarfin injin, mara kyau, mai haifar da juriya, da wuya a yi haƙuri, da tsada sosai. Silicone Britioning zafin jiki: -60℃~ + 200℃. An yi amfani da silicone silicone don yin samfurori masu ƙarfi da ƙananan tsire-tsire (hoses, hatimin waya da kuma da sauran zafin jiki da rufi. Domin ba mai guba ba ne kuma mai danshi, ana amfani da roba silicone a cikin abinci da masana'antu.
7. Roba na polyurthane
Polyurethane roba yana da elastomer kafa ta hanyar polymerization na polyester (ko polyither) da diiscyanate mahadi. Polyurethane rubu da kyawawan jingin jiki mai kyau, wanda shine mafi kyau tsakanin kowane irin roba; Polyurehane roba yana da babban ƙarfi, mai kyau elasticity da kyau juriya mai. Polyurehane roba shima yana da kyau kwarai a ozone juriya, tsufa juriya, da tsananin iska. Rashin daidaituwa na karnoman polyurethane shine ƙarancin zazzabi, ruwa mara kyau da alkurali na hydrocares, da sauran ƙarfi kamar Kettones, masu zuwa kamar giya. Yawan yawan zafin jiki na polyurethane roba: game da -30℃~ 80℃. An yi amfani da roba mai kyau don yin tayoyin kusa da sassan, gasanges, samfuran roba, da kuma saka samfuran roba da kuma samfuran rasawa mai tsauri.
Lokaci: Jul-07-2021
