I-Rubber iwuhlobo lwezinto eziphakeme ze-polymer ezinwebekayo, ngaphansi kwesenzo samandla amancane angaphandle, ingabonisa izinga eliphezulu lokukhubazeka, futhi ngemva kokususwa kwamandla angaphandle, ingabuyela esimweni sayo sokuqala.Ngenxa yokunwebeka okuphakeme kwenjoloba, isetshenziswa kabanzi ekugxiliseni, ekugwemeni, ekubekeni uphawu okuguquguqukayo, njll. Uhlelo lokusebenza embonini yokunyathelisa luhlanganisa ama-roller enjoloba ahlukahlukene kanye nezingubo zokuphrinta.Ngokuthuthuka kwemboni yenjoloba, imikhiqizo yenjoloba iye yathuthuka kusukela ekusetshenzisweni okukodwa kwerabha yemvelo kuya ezinhlobonhlobo zamarabha okwenziwa.
1. Irabha yemvelo
Irabha yemvelo ibuswa ama-hydrocarbon enjoloba (i-polyisoprene), aqukethe inani elincane lamaprotheni, amanzi, ama-resin acid, ushukela nosawoti we-inorganic.Injoloba yemvelo inokunwebeka okukhulu, amandla aqinile aqinile, ukumelana okuhle kakhulu kwezinyembezi nokufakwa kukagesi, ukumelana nokugqokwa okuhle nokumelana nesomiso, ukucutshungulwa okuhle, irabha yemvelo kulula ukuyihlanganisa nezinye izinto, futhi ukusebenza kwayo sekukonke kungcono kuneningi lerabha yokwenziwa.Ukushiyeka kwenjoloba yemvelo ukumelana kabi ne-oxygen ne-ozone, ukuguga okulula nokuwohloka;ukumelana kabi namafutha kanye ne-solvents, ukumelana okuphansi kwe-asidi ne-alkali, ukumelana nokugqwala okuphansi;ukumelana nokushisa okuphansi.Ububanzi bokushisa obusebenzayo berabha yemvelo: cishe -60℃~+80℃.Injoloba yemvelo isetshenziselwa ukwenza amathayi, izicathulo zenjoloba, amapayipi, amateyipu, izingqimba ezivikelayo kanye nemigodla yezintambo nezintambo, neminye imikhiqizo ejwayelekile.Irabha yemvelo ifaneleka ikakhulukazi ukwakhiwa kwezinqamuleli zokudlidliza ezinyakazayo, izibambisi zenjini, izisekelo zemishini, izakhi zokulengisa irabha-yensimbi, ama-diaphragm, nemikhiqizo ebunjiwe.
2. I-SBR
I-SBR iyi-copolymer ye-butadiene ne-styrene.Ukusebenza kwenjoloba ye-styrene-butadiene kuseduze naleyo yerabha yemvelo, futhi okwamanje ingumkhiqizo omkhulu kakhulu wenjoloba yokwenziwa yenhloso ejwayelekile.Izici zenjoloba ye-styrene-butadiene ukuthi ukumelana kwayo nokugqoka, ukumelana nokuguga nokumelana nokushisa kudlula irabha yemvelo, futhi ukuthungwa kwayo kufana kakhulu kunerabha yemvelo.Ukungalungi kwerabha ye-styrene-butadiene yilezi: ukunwebeka okuphansi, ukumelana nokuguquguquka okumpofu kanye nokumelana nokukhala;ukusebenza kabi kokucubungula, ikakhulukazi ukunamathela okungeyikho kanye namandla enjoloba aluhlaza aphansi.Ububanzi bokushisa berabha ye-styrene-butadiene: cishe -50℃~+100℃.Irabha ye-styrene butadiene isetshenziswa kakhulu ukufaka esikhundleni senjoloba yemvelo ukwenza amathayi, amashidi enjoloba, amapayipi, izicathulo zenjoloba neminye imikhiqizo ejwayelekile.
3. Irabha ye-Nitrile
Irabha ye-Nitrile iyi-copolymer ye-butadiene ne-acrylonitrile.Irabha ye-Nitrile ibonakala ngokumelana kwayo okuhle kakhulu nophethiloli kanye namafutha e-aliphatic hydrocarbon, okwesibili ngemuva kwenjoloba ye-polysulfide, i-acrylic ester nerabha ye-fluorine, kuyilapho irabha ye-nitrile iphakeme kunamanye amarabha enhloso evamile.Ukumelana nokushisa okuhle, ukuqina komoya okuhle, ukumelana nokugqoka nokumelana namanzi, nokunamathela okuqinile.Ububi benjoloba ye-nitrile ukungezwani kahle nokubanda kanye nokumelana ne-ozone, amandla aphansi nokunwebeka, ukumelana ne-asidi ephansi, ukufakwa kukagesi okungekuhle, kanye nokungazweli kahle kwezincibilikisi ze-polar.Izinga lokushisa lerabha ye-nitrile: cishe -30℃~+100℃.Irabha ye-nitrile isetshenziswa kakhulu ukwenza imikhiqizo ehlukene emelana nowoyela, njengamapayipi, imikhiqizo yokuvala, amarola erabha, njll.
4. Irabha ye-nitrile ene-hydrogen
Irabha ye-nitrile ene-hydrogen iyi-copolymer ye-butadiene ne-acrylonitrile.Irabha ye-nitrile ene-hydrogenated itholakala ngokufaka i-hydrogen ngokugcwele noma ingxenye yamabhondi aphindwe kabili ku-butadiene ye-NBR.Irabha ye-nitrile ene-hydrogen ibonakala ngamandla amakhulu emishini kanye nokumelana nokuhuzuka, ukumelana nokushisa kungcono kune-NBR uma ixhunywe nge-peroxide, nezinye izakhiwo ziyafana nerabha ye-nitrile.Ububi berabha ye-hydrogenated nitrile yintengo yayo ephezulu.Izinga lokushisa lerabha ye-nitrile ene-hydrogenated: cishe -30℃~+150℃.Irabha ye-nitrile ene-hydrogen isetshenziswa kakhulu emikhiqizweni yokuvala uwoyela ukumelana nokushisa kanye nokumelana nokushisa okuphezulu.
5. Irabha ye-ethylene propylene
Irabha ye-ethylene propylene iyi-copolymer ye-ethylene ne-propylene, futhi ngokuvamile ihlukaniswa ibe irabha ye-ethylene propylene yuan amabili nama-yuan amathathu erabha ethylene propylene.Irabha ye-ethylene-propylene ibonakala ngokumelana okuhle kakhulu kwe-ozone, ukumelana ne-ultraviolet, ukumelana nesimo sezulu nokumelana nokuguga, ibekwe kuqala phakathi kwamarabha ahloselwe ukujwayelekile.Irabha ye-ethylene-propylene inokufakwa kahle kukagesi, ukumelana namakhemikhali, ukunwebeka komthelela, ukumelana ne-asidi ne-alkali, amandla adonsela phansi akhethekile, futhi ingasetshenziselwa ukugcwalisa okuphezulu.Ukumelana nokushisa kungafinyelela ku-150°C, futhi iyakwazi ukumelana nezinyibilikizi ze-polar-ketones, esters, njll., kodwa irabha ye-ethylene propylene ayimelani nama-aliphatic hydrocarbon nama-hydrocarbon anephunga elimnandi.Ezinye izakhiwo ezingokomzimba nemishini yerabha ye-ethylene propylene ingaphansi kancane kunerabha yemvelo futhi iphakeme kunerabha ye-styrene butadiene.Ububi berabha ye-ethylene-propylene ukuthi ayinakho ukunamathela kahle nokunamathelana, futhi akulula ukuyibopha.Ububanzi bokushisa berabha ye-ethylene propylene: cishe -50℃~+150℃.Irabha ye-ethylene-propylene isetshenziswa kakhulu njengolwelwesi lwemishini yamakhemikhali, intambo nentambo yokushelela ikhebula, ipayipi le-steam, ibhande lokuhambisa elikwazi ukumelana nokushisa, imikhiqizo yenjoloba yezimoto neminye imikhiqizo yezimboni.
6. Irabha ye-Silicone
Irabha ye-Silicone iyirabha ekhethekile ene-silicon nama-athomu omoya-mpilo ochungechungeni oluyinhloko.I-Silicon element idlala indima enkulu kurabha ye-silicone.Izici eziyinhloko zenjoloba ye-silicone kokubili ukumelana nokushisa okuphezulu (kufika ku-300°C) nokumelana nokushisa okuphansi (okuphansi kakhulu -100°C).Njengamanje iyirabha ekwazi ukumelana nokushisa okuphezulu kakhulu;ngesikhathi esifanayo, irabha ye-silicone ine-insulation kagesi enhle kakhulu futhi izinzile ku-oxidation eshisayo ne-ozone.Imelana kakhulu futhi ine-inert yamakhemikhali.Ukungalungi kwerabha ye-silicone amandla emishini aphansi, ukumelana nowoyela okungekuhle, ukumelana ne-solvent, ukumelana ne-asidi ne-alkali, okunzima ukuvuza, futhi kubiza kakhulu.Izinga lokushisa lokusebenza kwerabha ye-Silicone: -60℃~+200℃.Irabha ye-Silicone isetshenziswa kakhulu ukwenza imikhiqizo ekwazi ukumelana nezinga lokushisa eliphezulu neliphansi (amahosi, ama-seal, njll.), kanye nocingo olumelana nokushisa okuphezulu nokufakwa kwekhebula.Ngenxa yokuthi ayinabo ubuthi futhi ayinambitheki, irabha ye-silicone nayo iyasetshenziswa ezimbonini zokudla nezokwelapha.
7. Irabha ye-polyurethane
Irabha ye-polyurethane ine-elastomer eyakhiwe yi-polymerization ye-polyester (noma i-polyether) nezinhlanganisela ze-disocyanate.Irabha ye-polyurethane ibonakala ngokumelana okuhle kwe-abrasion, okuyinto ehamba phambili phakathi kwazo zonke izinhlobo zenjoloba;Irabha ye-polyurethane inamandla amakhulu, ukunwebeka okuhle nokumelana nowoyela okuhle kakhulu.Irabha ye-polyurethane nayo inhle kakhulu ekuphikisweni kwe-ozone, ukumelana nokuguga, nokuqina komoya.Ububi benjoloba ye-polyurethane ukumelana nezinga lokushisa eliphansi, ukumelana namanzi ampofu kanye ne-alkali, nokumelana kabi nama-hydrocarbon anephunga elimnandi, ama-hydrocarbon ane-chlorinated, nezinyibilikisi ezifana nama-ketone, ama-ester, notshwala.Ububanzi bokushisa bokusetshenziswa kwerabha ye-polyurethane: cishe -30℃~+80℃.Irabha ye-polyurethane isetshenziselwa ukwenza amathayi eduze nezingxenye, ama-gaskets, imikhiqizo ye-shockproof, amarola enjoloba, kanye nemikhiqizo yerabha engagugi, enamandla amakhulu kanye ne-oyili engazweli.
Isikhathi sokuthumela: Jul-07-2021