Noocyada qalabka caagga ah ee caagga ah ee loogu talagalay rollers caag

Caag caaggu waa nooc ka mid ah sheyska polysis-ka oo casri ah, oo ku hoos jira ficilka xoog yar oo dibedda ah, waxay muujin kartaa heer sare, ka dib marka xoogga dibedda laga saaro, waxay ku noqon kartaa qaabkeeda asalka ah. Sababo la xiriira dabaqadka sare ee caagga ah, waxaa si weyn loogu isticmaalaa barkinta, ciriiriplof, shaabad firfircoon, iwm. Codsiga warshadaha daabacan iyo bustayaal daabacan. Iyada oo ay ku socdaan horumarka warshadaha caagga ah, alaabada caagga ah waxay ka soo baxeen hal adeegsi oo ah caag dabiici ah ilaa qashin-qubka kala duwan ee kala duwan.

1. Caag dabiici ah

Caagga dabiiciga ah waxaa xukuma hydrocarbons-ka caagga ah (polyisoprene), oo ay kujirto qadar yar oo borotiin, biyo, renin aashitada, sokorta iyo cusbada inorganics. Caanaha dabiiciga ah, xoogga aadka u sarreeya, caabbinta ilmada ee aad u wanaagsan iyo dahaarka korantada, haadsiga caabbinta, caabiga dabiiciga ah, iyo waxqabadka guud ee dabiiciga ah, iyo waxqabadka guud ee guud ayaa ka fiican caagga badan ee isku-darka. Musaafurinta caagga ah ee dabiiciga ah ayaa iska caabbinta liita ee oksijiinka iyo ozone, si sahlan in gabowga iyo xumaanta; iska caabin liidata saliida iyo solvents, iska caabin hooseeya ilaa aashitada iyo alkali, iska caabin hoose; iska caabin kuleyl hooseeya. Kala-guurka heerkulka ee ku shaqeeya ee caagga ah ee dabiiciga ah: qiyaastii -60+ 80. Caagga dabiiciga ah waxaa loo isticmaalaa in lagu sameeyo taayirro, kabo caag ah, tuubooyin, cajalado, cajalado, xargaha lakabyada iyo fiilooyinka fiilooyinka iyo waxyaabaha kale ee fiilooyinka, iyo alaabada kale ee guud. Caanaha dabiiciga ah ayaa si gaar ah ugu habboon soo saarista ciribtirka gariirka ee loo yaqaan 'Torsrafination' oo gariirka gariirka ah, ka naxdinta mashiinka, taageerooyinka mashiinka, cuncun-ka-hakinta birta, diaphragms, iyo alaabada la soo saaray.

2. SBR

SBR waa Copoymer of Buodiene iyo Styrene. Bandhiga caagga Strysenenene-ka Styrenenene waxay ku dhowdahay in caag dabiiciga ah, haddana waa wax soo saarka ugu weyn ee loo yaqaan 'luuqadaha guud'. Astaamaha caagga ah ee styrene-Budiene-ka ayaa ah in ay dhashaan caabbinta, iska caabin da 'ah iyo iska caabbinta kuleylka ay ka badan tahay caagga dabiiciga ah, oo dareenkeeduna yahay mid ka badan caagga dabiiciga ah. Faa'iido darrooyinka ah ee caagga Strysenenene-ka ee Strysenene-ka ayaa ah: barticica hooseeya, caabbinta liita ee caabbinta iyo iska caabinta ilmada; Waxqabadka falkasta oo liita, gaar ahaan is-xasaasinimada liidata iyo xoog caag cagaaran oo hooseysa. Xanuunka heerkulka ee styrene-Buradinene-ka: ku dhawaad ​​-50+ 100. Styrene Butadient ayaa inta badan loo isticmaalaa in lagu beddelo caagga dabiiciga ah si loo sameeyo taayirro, go'yaal caag ah, tuunbo, kabo caag ah iyo alaabo kale oo guud

3. Caagga nitrile

Caagga nitrile-ka waa copolander of Budiene iyo acrylonitrile. Caano ah caanish ah ayaa lagu gartaa iska caabbinta ugu wanaagsan ee saliidaha gaaska iyo alifacatic hydrocarbon, oo keliya oo ah possulfide caag, estaroolka caagga ah iyo caagga caagga ah, halka caagga caagga ah ee loo yaqaan 'naitrile caag' ay ka sarreeyaan. Isu-caabbic wanaagsan, hawada wanaagsan ee adag, xidho iska caabbinta iyo iska caabin biyo, iyo adhesion xoog leh. Faa'iido darrooyinka caanaha Nitrile-ka ayaa ah iska caabin qabow oo liita iyo iska caabbinta ozone, xoog hooseeya, caabbinta aashitada oo liita, caabbinta korantada ee liita, iyo iska caabin liidata ee solvent-ka. Xanuunka heerkulka ee caagga ah ee nitrile ah: ku dhawaad ​​-30+ 100. Caagga nitrile ayaa inta badan loo isticmaalaa in lagu soo saaro wax soo saarka noocyo kala duwan oo saliid ah, sida tuubbooyinka, alaabada shaabadaysan, alaabada lagu dhejiyo, iwm.

4. Caano hydrogenile ah caag

Caano-biyoodka hydrogenile-ka ah waa copolmymer of Buoladiene iyo acrylonitrile. Caano-biyoodka dareeraha ah ee dareeraha ah waxaa si buuxda loo helaa si buuxda ama qayb ahaan hydrogenienite-ka laba-laab ee badhanka ee baska ee 'NBR'. Caano hawo-mareen ah oo hawo leh ayaa lagu gartaa xoogga farsamada gacanta iyo iska caabbinta baabi'inta, iska caabinta kuleylka ayaa ka fiican NBR-ga, iyo guryaha kaleba waa isku mid sida caagga ah ee nitrile. Faa'iidada dheeraadka ah ee caagga ku dhaca hydrogenilens ah ayaa ah qiimaha sare. Heerkulka u dhexeeya caagga neefsashada hydrogenile ah: qiyaastii -30+ 150. Caano hawo-mareen ah oo dareere ah ayaa inta badan loo isticmaalaa alaabada u adkaysta saliida iyo kuwa heerkulka u adkaysta heerkulka.

5.

Ethylenene Propylene Caag waa mid ethymylene iyo propylene, oo guud ahaan waxaa loo qaybiyaa laba yuanthylene propylemen caag iyo saddex yuanthylen propylene caag. Cilmiga 'Ethylenene-Propullene' waxaa lagu gartaa iska caabbinta ozone ee aadka u fiican, iska caabbinta ultraviolet, iska caabbinta cimilada iyo caabbinta cimilada iyo iska caabinta gabowga ah, qiimeynta ugu horreysa ee tuuladaha guud. Cilmiga 'Ethylene-Propullene' wuxuu leeyahay dahab koronto oo wanaagsan, iska caabbial kiimiko, laf-dhabarka saamaynta, caabbinta aashitada iyo iska caabbinta aashitada, culeyska gaarka ah ee alkal, waxaana loo isticmaali karaa buuxinta sare. Istaraatiirka kuleylka ayaa gaari kara 150°C, oo waxay u adkaysaa xajinta xargaha 'polar'-ketones, esters, iwm, laakiin ethylene propylene caaggu ma aha mid u adkaysi u ah sadarka alitatic-ka iyo hymecarbons-ka asipcaalka. Guryaha kale ee jirka iyo farsamada ee Propylene Propylene Caag caag ah ayaa waxyar ka hooseeya caagga dabiiciga ah oo ka sareeya Styrene Butadient-ka. Faa'iido darrooyinka ethylene-propylement caag ayaa ah in ay leedahay is-dhacaanimo oo liita iyo adhesion is-miidaamaysa, mana aha wax sahlan in la isku xiro. Xanuunkii heerkulka ee Propylene Propylene Rug: qiyaastii -50+ 150. Cilmiga 'Ethylene-Propylement' ayaa inta badan loo isticmaalaa sidii qalabka kiimikada ee kiimikada, silig silig, tuubada caqabadda, tuubada tuubada, suunka kululaynta kuleylka, alaabada caagga ah ee caagga ah iyo waxyaabaha kale ee warshadaha.

6. Caado silicone

Caagga silicone waa caag gaar ah oo leh silicon iyo atom oksijiin ah silsiladda ugu weyn. Qiyaasta Silicon waxay door weyn ka ciyaarataa caagga silicone. Astaamaha ugu weyn ee caagga silicone-ka ayaa labadaba iska caabbinta heerkulka sare leh (illaa 300)°C) iyo iska caabin kuleylka hooseeya (ugu hooseeya -100°C). Waqtigan xaadirka ah waa heerkulka ugu fiican ee ugufiican; Isla mar ahaantaana, caag silicone ah waxay leedahay dahab koronto oo aad u wanaagsan oo waxay xasilloon tahay ilaa kuleylka kuleylka iyo ozone. Waa mid aad u adkaysata oo kimikal ahaan ku jira. Faa'iido darrooyinka caasiyada ah ee silicone-ka ayaa ah awood farsamo oo hooseysa, iska caabin saliid oo liita, caabbinta convence caabbinta, aashitada iyo iska caabinta aashitada, ay adag tahay in la xumaado, oo qaali ah. Heerkulka qalliinka silicone caag ah: -60~ + 200. Caagga silicone waxaa inta badan loo isticmaalaa in lagu sameeyo waxyaabo sare oo heerkul adag oo hooseeya (tuubbooyinka, shaabadaha, iwm.), Iyo kuleylka u adkaysata ee heerkulka u adkaysata. Sababta oo ah waa mid aan sun lahayn oo aan dhadhamin, caag silicone ah ayaa sidoo kale loo isticmaalaa in lagu isticmaalo warshadaha cuntada iyo caafimaadka.

7. Polyurethane caag

Faylka polyurethane ayaa leh ebermomer oo ay sameeyeen polymerization-ka polymaterka polystester (ama polythert) iyo xeryahooda disocyate. Caanooyin polyurethane ah waxaa lagu gartaa cambaareynta wanaagsan, kaas oo ah waxa ugu wanaagsan ee dhammaan noocyada caagga ah; Faylka polyurethane lows waxay leedahay xoog sare, dabaq fiican iyo iska caabin saliid fiican leh. Polyaurethane caag ayaa sidoo kale aad u fiican ku jirta cabashada ozone, caabbinta dabka ah, iyo adkaanta hawada. Faa'iido darrooyinka caanaha polyurethane-ka waa iska caabbinta heerkulka ee liita, biyo saboolka ah iyo iska caabbinta saboolka ah ee sadarka sadarka ah, hydrocarbons udgoon, iyo solvocated sida ketones, esters, iyo aalkolo. Heerkulka isticmaalka heerkulka ee caagga ah ee polyurethane: qiyaastii -30+ 80. Caagga polyanurethane waxaa loo isticmaalaa in lagu sameeyo taayirrada qaybo u dhow qaybaha, gaaska, waxyaabaha murugada leh, duubannada caagga ah, iyo kuwa sare u adkaysta, itaal sare iyo saliida-saliida.


Waqtiga Post: Jul-07-2021