Irabha luhlobo lwezinto zepolymer ezithambileyo kakhulu, phantsi kwesenzo samandla amancinci angaphandle, inokubonisa inqanaba eliphezulu lokuguguleka, kwaye emva kokuba amandla angaphandle esusiwe, inokubuyela kwimo yayo yokuqala. Ngenxa yokuqina okuphezulu kwerabha, isetyenziswa kakhulu kwi-cushioning, shockproof, dynamic sealing, njl. Ukusetyenziswa kwishishini lokushicilela kuquka iirola zerabha ezahlukeneyo kunye neengubo zokushicilela. Ngokuqhubeka kweshishini lerabha, iimveliso zerabha ziye zaphuhliswa ukusuka ekusetyenzisweni kanye kwerabha yendalo ukuya kwiindidi ezahlukeneyo zerabha zokwenziwa.
1. Irabha yendalo
Irabha yendalo ilawulwa zii-hydrocarbon zerabha (i-polyisoprene), eziqulethe inani elincinci leproteni, amanzi, ii-asidi ze-resin, iiswekile kunye neetyuwa ezingaphiliyo. Irabha yendalo inokuqina okukhulu, amandla aphezulu okutsalwa, ukumelana nokukrazula kunye nokufakelwa kombane, ukumelana nokuguguleka okuhle kunye nokumelana nembalela, ukuqhubekeka kakuhle, irabha yendalo kulula ukuyidibanisa nezinye izinto, kwaye ukusebenza kwayo ngokubanzi kungcono kunerabha ezininzi zokwenziwa. Iintsilelo zerabha yendalo kukuchasana okuncinci kwioksijini kunye ne-ozone, kulula ukuguga nokuwohloka; ukumelana okuncinci kwioyile kunye nezinyibilikisi, ukumelana okuncinci kwi-asidi kunye ne-alkali, ukumelana okuncinci kokugqwala; ukumelana okuncinci kobushushu. Uluhlu lobushushu lokusebenza kwerabha yendalo: malunga ne-60℃~+80℃Irabha yendalo isetyenziselwa ukwenza amatayara, izihlangu zerabha, iipayipi, iiteyiphu, iileya zokukhusela kunye neesheya zeengcingo kunye neentambo, kunye nezinye iimveliso eziqhelekileyo. Irabha yendalo ifanelekile ngokukodwa ekwenzeni izithinteli zokungcangcazela ze-torsional, izifunxi-kutyhwa kwenjini, izixhasi zomatshini, izinto zokuxhoma zerabha-intsimbi, ii-diaphragms, kunye neemveliso ezibunjiweyo.
2. I-SBR
I-SBR yi-copolymer ye-butadiene kunye ne-styrene. Ukusebenza kwerabha ye-styrene-butadiene kufana noko kwerabha yendalo, kwaye okwangoku yeyona mveliso inkulu yerabha yokwenziwa yenjongo eqhelekileyo. Iimpawu zerabha ye-styrene-butadiene kukuba ukumelana kwayo nokuguguleka, ukumelana nokwaluphala kunye nokumelana nobushushu kudlula irabha yendalo, kwaye ubume bayo bufana ngakumbi kunerabha yendalo. Iingxaki zerabha ye-styrene-butadiene zezi: ukuthamba okuphantsi, ukumelana nokugungqa okuphantsi kunye nokumelana nokukrazula; ukusebenza okungalunganga kokucubungula, ngakumbi ukuzincamathelisa okubi kunye namandla aphantsi erabha eluhlaza. Uluhlu lobushushu ngerabha ye-styrene-butadiene: malunga ne-50℃~+100℃Irabha ye-styrene butadiene isetyenziswa kakhulu endaweni yerabha yendalo ukwenza amatayara, amaphepha erabha, iipayipi, izihlangu zerabha kunye nezinye iimveliso ngokubanzi.
3. Irabha yeNitrile
Irabha yeNitrile yi-copolymer ye-butadiene kunye ne-acrylonitrile. Irabha yeNitrile ibonakaliswa kukumelana kwayo okuhle kakhulu nepetroli kunye neoyile ze-hydrocarbon ze-aliphatic, ilandela irabha ye-polysulfide, i-acrylic ester kunye nerabha ye-fluorine, ngelixa irabha ye-nitrile ingcono kunezinye iirabha ezisetyenziswa ngokubanzi. Ukumelana okuhle nobushushu, ukuqina komoya okuhle, ukumelana nokuguguleka kunye nokumelana namanzi, kunye nokunamathela okunamandla. Izinto ezingalunganga zerabha yeNitrile kukumelana nokubanda okubi kunye nokumelana ne-ozone, amandla aphantsi kunye nokuguquguquka, ukumelana ne-asidi embi, ukufudumala kombane okubi, kunye nokumelana kakubi nezinyibilikisi ze-polar. Uluhlu lobushushu ngerabha yeNitrile: malunga ne-30℃~+100℃Irabha yeNitrile isetyenziswa kakhulu ekwenzeni iimveliso ezahlukeneyo ezinganyangekiyo kwioyile, ezinje ngeepayipi, iimveliso zokuvala, iirola zerabha, njl.njl.
4. Irabha ye-nitrile ene-hydrogenated
Irabha ye-nitrile efakwe ihydrogen yi-copolymer ye-butadiene kunye ne-acrylonitrile. Irabha ye-nitrile efakwe ihydrogen ifunyanwa ngokufaka i-hydrogen ngokupheleleyo okanye ngokuyinxenye kwiibhondi eziphindwe kabini kwi-butadiene ye-NBR. Irabha ye-nitrile efakwe ihydrogen ibonakaliswa ngamandla aphezulu oomatshini kunye nokumelana nokukrala, ukumelana nobushushu kungcono kune-NBR xa idityaniswe ne-peroxide, kwaye ezinye iimpawu ziyafana nerabha ye-nitrile. Ingxaki yerabha ye-nitrile efakwe ihydrogen yixabiso layo eliphezulu. Uluhlu lobushushu lwerabha ye-nitrile efakwe ihydrogen: malunga ne-30℃~+150℃Irabha ye-nitrile ene-hydrogenated isetyenziswa kakhulu kwiimveliso zokuvala ezimelana neoyile kunye nezimelana nobushushu obuphezulu.
5. Irabha ye-ethylene propylene
Irabha ye-ethylene propylene yi-copolymer ye-ethylene kunye ne-propylene, kwaye ngokubanzi yahlulwe yaba yirabha ezimbini ze-yuan ethylene propylene kunye nerabha ezintathu ze-yuan ethylene propylene. Irabha ye-ethylene-propylene ibonakaliswa kukumelana okuhle kwe-ozone, ukumelana ne-ultraviolet, ukumelana nemozulu kunye nokumelana nokuguga, ibekwe kwindawo yokuqala phakathi kwerabha ezisetyenziselwa iinjongo eziqhelekileyo. Irabha ye-ethylene-propylene inobushushu obuhle bombane, ukumelana neekhemikhali, ukuqina kwempembelelo, ukumelana ne-asidi kunye ne-alkali, ubunzima obuphantsi, kwaye ingasetyenziselwa ukuzalisa okuphezulu. Ukumelana nobushushu kunokufikelela kwi-150°C, kwaye ayixhathisi kwizinyibilikisi ze-polar - ii-ketones, ii-esters, njl.njl., kodwa irabha ye-ethylene propylene ayixhathisi kwi-aliphatic hydrocarbons kunye ne-aromatic hydrocarbons. Ezinye iipropati zomzimba neze-mechanical zerabha ye-ethylene propylene zingaphantsi kancinci kunerabha yendalo kwaye zingcono kunerabha ye-styrene butadiene. Ingxaki yerabha ye-ethylene-propylene kukuba ayinayo i-self-adhesion entle kunye nokunamathelana, kwaye akulula ukuyibopha. Uluhlu lobushushu lwerabha ye-ethylene propylene: malunga ne--50℃~+150℃Irabha ye-ethylene-propylene isetyenziswa kakhulu njenge-lining yezixhobo zeekhemikhali, i-wire kunye ne-cable sheathing, i-steam hose, i-conveyor belt engatshisi ubushushu, iimveliso zerabha zeemoto kunye nezinye iimveliso zoshishino.
6. Irabha yesilicone
Irabha yesilicone yirabha ekhethekileyo eneathom zesilicon kunye neoksijini kwikhonkco eliphambili. I-element yesilicon idlala indima enkulu kwirabha yesilicone. Iimpawu eziphambili zerabha yesilicone zombini kukumelana nobushushu obuphezulu (ukuya kuthi ga kwi-300 degrees).°C) kunye nokumelana nobushushu obuphantsi (eyona -100 iphantsi°C). Okwangoku yeyona rayibha ilungileyo ekwaziyo ukumelana nobushushu obuphezulu; kwangaxeshanye, irabha ye-silicone inobushushu obuhle bombane kwaye izinzile kwi-oxidation yobushushu kunye ne-ozone. Ayinakumelana kakhulu kwaye ayinayo ikhemikhali. Izinto ezingalunganga ngerabha ye-silicone ngamandla aphantsi oomatshini, ukumelana neoyile embi, ukumelana nesinyibilikisi, ukumelana ne-asidi kunye ne-alkali, kunzima ukuyivuthulula, kwaye ibiza kakhulu. Ubushushu bokusebenza kwerabha ye-silicone: -60℃~+200℃Irabha yesilicone isetyenziswa kakhulu ekwenzeni iimveliso ezimelana nobushushu obuphezulu nobuphantsi (iipayipi, izitywini, njl.njl.), kunye nokukhusela ucingo kunye neentambo ezimelana nobushushu obuphezulu. Ngenxa yokuba ayinatyhefu kwaye ayinancasa, irabha yesilicone ikwasetyenziswa kumashishini okutya kunye nezonyango.
7. Irabha yePolyurethane
Irabha yePolyurethane ine-elastomer eyenziwe yi-polymerization ye-polyester (okanye i-polyether) kunye nee-diisocyanate compounds. Irabha yePolyurethane ibonakaliswa kukumelana okuhle kokurhawuzelelwa, okuyeyona ilungileyo phakathi kwazo zonke iintlobo zerabha; irabha yePolyurethane inamandla aphezulu, ukuthamba okuhle kunye nokumelana okuhle kweoyile. Irabha yePolyurethane ikwabalaseleyo ekumelaneni ne-ozone, ukumelana nokwaluphala, kunye nokuxinana komoya. Izinto ezingalunganga zerabha yePolyurethane kukumelana kakubi nobushushu, ukumelana kakubi namanzi kunye ne-alkali, kunye nokuxhathisa kakubi ii-hydrocarbons ezinuka kamnandi, ii-hydrocarbons ze-chlorinated, kunye nezinyibilikisi ezifana nee-ketones, ii-esters, kunye nee-alcohols. Uluhlu lobushushu bokusetyenziswa kwerabha yePolyurethane: malunga ne-30℃~+80℃Irabha yepolyurethane isetyenziselwa ukwenza amatayara asondele kwiindawo ezithile, iigasket, iimveliso ezinganyangekiyo, iirola zerabha, kunye neemveliso zerabha ezinganyangekiyo, ezinamandla aphezulu kunye nezinganyangekiyo ngeoyile.
Ixesha lokuthumela: Julayi-07-2021
