Irabha luhlobo lwezinto eziphakamileyo ze-elalek, phantsi kwesenzo samandla amancinci angaphandle, inokubonisa inqanaba eliphezulu lokusebenza, kwaye emva kokuba amandla angaphandle asuswe, inokubuyela kwimilo yayo yoqobo. Ngenxa yokuqina okuphezulu kwerabha, kusetyenziswa ngokubanzi ekuhlaleni, ukuntywila, ukutywina kwamandla, njl njl. Ngenkqubela phambili yomzi-mveliso werabha, iimveliso zerabha ziye zaphuhliswa ekusebenziseni enye yerabha yendalo ukuya kwiindidi zebhuleki.
1. Irabha yendalo
Irabha yendalo ilawulwa zii-hydrocarbons zerabha (iPolysoprene), equkethe inani elincinci leprotheni, amanzi, i-resin acids, iswekile kunye neetyuwa ze-inorganic. Irabha yendalo inee-elastity ezinkulu, amandla aphezulu e-thensile, ukuxhathisa ngombane kunye nokunganyangeki kombane, irabha elungileyo, irabha elungileyo, kwaye irabha yendalo ilunge ngakumbi kuneyona rabha ye-synthetics. Iintsilelo zerabha yendalo kukungaxhathisi beoksijini kunye ne-ozone, kulula ukwaluphala nokuwohloka; Ukunganyangeki okunganyangekiyo kwioyile kunye nezinyibilikisiweyo, ukumelana ne-acid kunye ne-alkali, ukumelana nomhlaba ophantsi; Ukumelana nobushushu obuphantsi. Uluhlu lobushushu olusebenzayo lwerabha yendalo: malunga -60℃~ + 80℃. Irabha yendalo isetyenziselwa ukwenza amatayara, izihlangu zerabha, iimpuphu, iitephu, iingqwayitha kunye neengcingo zeengcingo kunye neentambo ze-carbs, kunye nezinye iimveliso ngokubanzi. Irabha yendalo ilungele ngokukhethekileyo ekwenzeni i-Emilications Eltiminator, i-Injini yothusa i-abssurs, inkxaso yomatshini, izinto zokumiswa kwentsimbi yerabha, iidayaphragms, kunye neemveliso ezibunjiweyo.
2. Sbr
I-SBR yi-copolymer ye-butadiene kunye nesyrene. Ukusebenza kwerabha ye-styrene-i-Butadiene isondele kwerabha yendalo, kwaye okwangoku yeyona mveliso inkulu yerabha eqhelekileyo. Iimpawu zerabha yeStyrene-Oweadiene kukuba ukuxhathisa kwaso, ukuxhathisa ubushushu kunye nokuxhathisa ubushushu kudlule irabha yendalo, kwaye ukuthungwa kwayo kuninzi kunerabha yendalo. Izinto ezingalunganga ze-styrene-onber yerabha zezi: i-elasticity ephantsi, ukumelana nokunganyangeki; Ukusebenza okungalunganga, ngakumbi ukuzibulala okuhlwempuzekileyo kunye namandla aphantsi erabha eluhlaza. Uluhlu lobushushu lwe-styrene-brabene irabha: malunga -50℃~ + 100℃. I-Styrene Butadiene isetyenziselwa ukutshintsha irabha yendalo ukwenza amavili, amaphepha erabha, ii-hoses, izihlangu zerabha kunye nezinye iimveliso ngokubanzi
I-3. Irabha ye-nitrile
Irabha ye-nitrile yi-copolyner ye-butadiene kunye ne-acrylonitile. Irabha ye-nitrile iphawuleka ngokuchasene ne-ralrocarbon kunye ne-rallybon ye-polysullide kuphela yerabha, i-Acrylic irabha, ngelixa irabha ye-fluorine iphezulu ukuya kwezinye iicube ngokubanzi. Ukuchasana nobushushu obuhle, ukuqina komoya kakuhle, kudla ngokuxhathisa kunye nokuxhathisa kwamanzi, kunye nonamathembulo obomeleleyo. Izinto ezingalunganga zerabha ye-Nitrile zihlwempuzekileyo kunye nokungaxhathisi i-ozone, amandla aphantsi kunye nokunganyangeki kombane, kunye nokunganyangeki kombane okungalunganga. Uluhlu lobushushu lwerabha ye-nitrile: malunga -30℃~ + 100℃. Irabha ye-nitrile isetyenziselwa ukwenza ikakhulu iimveliso ezahlukeneyo zeoyile, ezinjengee-hoses, iimveliso zokutywina, iiroller zerabha, njl.
4. I-Hydrogeniged Nitrile irabha
I-Hydrogeniged Hubber irabha ye-copolymer ye-butadiene kunye ne-acrylonitile. Irabha ye-hydrogenited i-hydrogele ifunyenwe ngokugqibeleleyo okanye ngokuyinxalenye ye-hydrogenigenagerageragesing thebond iphindwe kabini kwi-vadiene ye-NBR. I-Hydrogenigeted irabha ibonakaliswa ngamandla amakhulu oomatshini kunye nokunganyangeki kobushushu, ukumelana nobushushu kungcono kune-NROXIDE xa i-Peroxide, kunye nezinye iipropathi ziyafana nerabha ye-raber. Ukungancedisi kwirabha ye-hydrogeleted irabha lixabiso layo eliphezulu. Uluhlu lobushushu lwe-hydrogenigeted nitber irabha: malunga -30℃~ + 150℃. I-Hydrogen esetyenziselwa irabha ikakhulu isetyenziselwa iimveliso ezinganyangekiyo zeoyile nenganyangekiyo.
I-5. Irabha ye-Ethylene proplene
Irabha ye-Ethylene Proplene yi-copolymer ye-copolyner ye-Englone kunye ne-proplenene, kwaye ihlulwe yangu-Yulene proplene rator kunye ne-Yuan Ethylene up. Irabha ye-Ethylene-Proplene iphawuleka ngokuchasene ne-ozone egqwesileyo, ukumelana nokunganyangeki kwemozulu kunye nokunganyangeki kwegugu, ukuqalisa kokuqala kweebhakibhu jikelele. Irabha ye-Ethylene-Proplene inombhalo ofanelekileyo, ukumelana nemichiza, ifuthe elinesibindi, i-Acid kunye ne-Alkali kunye ne-Alkali i-Alkali, kwaye inokusetyenziselwa ukuzalisa. Ukumelana nobushushu kunokufikelela kwi-150°C, kwaye iyamelana nePolints-Ketones, ii-eTers, njl njl, kodwa i-ithylene proplene irabha ayinyangeki i-Alipatic hydrocarbles. Ezinye iipropathi zomzimba kunye noomatshini berabha ye-Ethylene proplene ziphantsi kancinci kwirakhi yendalo kunye ne-uperrior kwirabha ye-stadiene ye-styrene. Ukungancedisi kwirakhi ye-Ethylene-proplene kukuba inamandla ahluphekayo kunye nokunamathela phakathi, kwaye akukho lula ukubakho. Uluhlu lobushushu lwe-Ethylene proplene irabha: malunga -50℃~ + 150℃. Irabha-irakhi ye-Ethylenene isetyenziswa ikakhulu njengezixhobo zekhemikhali, intambo kunye nentambo, i-steam hose, iimveliso zokuhambisa ubushushu, iimveliso zerabha zerabha kunye nezinye iimveliso zerabha.
I-6. Irabha ye-silicone
Irabha ye-Silicone yirabha ekhethekileyo ene-silicon kunye neeathom zeoksijini kwikhonkco eliphambili. Inqaku leSilicon lidlala indima enkulu kwirabha ye-silicone. Iimpawu eziphambili zerabha ye-Silicone zimabini amaqondo obushushu aphezulu (ukuya kuthi ga kwi-300°C) kunye nokuchasana nobushushu obuphantsi (ezantsi -100°C). Okwangoku yeyona irabha yeqondo lokunganyangeki. Kwangelo xesha, irabha ye-Silicone inee-inshulels ezigqwesileyo kwaye zizinzile kwi-ozone ye-ozone kunye ne-ozone. Inganyangeki kakhulu kwaye i-inter. Izinto ezingalunganga zerabha ye-Silicone ngamandla omatshini, ukungavisisani kweoyile engalunganga, ukunganyangeki kwesilivere, i-AID no-Alid no-Alkali ukunganyangeki, kuyabiza kakhulu. I-Silicone Rubber iRubser℃~ + 200℃. I-Silicone irabha isetyenziselwa ukwenza iimveliso eziphakamileyo nezingaphantsi kobushushu obungahambi kakuhle (ii-hoses, amatywina, njl njl), kunye ne-wire yeqondo lobushushu ephezulu kunye nokufakelwa kweqondo lobushushu. Kuba ayinatyhefu kwaye ayinambulelo, irabha ye-silicone ikwasetyenziswa ekutyeni nasezimveliso zonyango.
I-7. I-Polyurethane irabha
I-Polyredthane irabha ine-elastomer eyenziwe yi-polymerizazetion ye-polyint ye-polyester (okanye i-polyeether) kunye ne-diisoclocnate. I-Polyredthane irabha iphawuleka ngokuchasene ne-abrashion elungileyo, eyona ilungileyo kuzo zonke iintlobo zerabha; Iraliyo yasePolyurethane inamandla aphezulu, ukuqina okuhle kunye nokuchasana kweoyile. Irakhi yePolyurethane ibalaseleyo kakhulu ekuxhathisweni kwe-ozone, ukumelana nokuxhaphaka, kunye nokuqina komoya. Ukungancedi kakuhle kweralithane iraliyo kukunganyangeki kobushushu obuhlwempuzekileyo, amanzi ahluphekayo kunye nokunganyangekiyo kwe-alkali, kunye nokunganyangeki okuhlwempuzekileyo kwiiKedrocarbons, kunye nezinyibilikisi, kunye notywala. Uluhlu lobushushu bokusetyenziswa kweralithane irabha: Malunga -30℃~ + 80℃. Irabha yePolyurethane isetyenziselwa ukwenza amathayara kufutshane neenxalenye, iirhasi, iimveliso zokuntywila, iiralle zerabha, kwaye zinxibe iimveliso zerabha.
IXESHA LOKUQALA: IJUL-07-2021
