Waxyaabaha lagu daro ayaa muhiim u ah alaabta ceeriin ee warshadaha caagga ah. In kasta oo qaddarka uu yar yahay, saameyntu aad ayey u weyn tahay. Cudurka 'polyurethane' lama kala saari karo waxyaabaha lagu daro ee ka socda synthesis-ka si looga baaraandego iyo codsiyada.Coring doorka ka duwan, wax ka beddelka iyo nidaamka hawlgalka, nidaamka nawaayadda iyo nidaamka ilaalinta.
Gargaarka isku-darka
01 Cuntlyst iyo Xayiraadda
In lagu dadajiyo xawaaraha falcelinta ugu weyn, inta badan waxay u baahan yihiin in lagu daro wax-ka-dheellitirka, tiretyliyaamiamine, trimethyretenenzylamine, morpheynetenenzylamine, morpheynne iyo wixii la mid ah, oo ka mid ah trefethylen dhexmara waa tan ugu muhiimsan; Hay'ada hoose waxaa ka mid ah caatada adag, Dibunyl tin uu dacaaca iyo wixii la mid ah. Intaas waxaa sii dheer, waxaa jira meerkuri dabiici ah, naxaas ah, rasaasta iyo birta, oo leh rasaas dabiici ah iyo meerkuri ay tahay kuwa ugu muhiimsan, sida xargaha rasaasta iyo phenylmercercuric iyo phenylmerceric iyo phenylmercercuric. Aashitada dabiiciga ah ee dabiiciga ah sida Adipic acid iyo azelaic acid waxaa loo isticmaali karaa inay yihiin wax soo saarka lagu shubo caag ka mid ah polyurethane.
02 silsilad silsilad ah iyo silsilad guntin oo ah wakiilka iskutallaabta
In isku-darka qalabka loo yaqaan 'polyurethane enastomune', silsiladdu waxaa loola jeedaa DICAL-ga iyo Binary Camals oo muhiim u ah jawaab celinta silsiladda. Wakiilka silsiladaha ee silsiladda ayaa waxaa loola jeedaa xarunta ka qeybqaadata silsiladda koritaanka silsiladaha waxayna sameyn kartaa qodobbada iskutallaabta ee u dhexeeya tuurista silsiladaha, iwm. Dharka 'polyurethane' polyurethane waa isticmaali kartaa labada dhinac ama alllyl ether '.
Wakiilka maaraynta moodalka
Qaar ka mid ah waxyaabaha lagu daro ayaa horumarin kara waxqabadka iyo muuqaalka sheyga, qaarna waxay hagaajin karaan nidaamka hawlgalka, sida balaastikada, xidho yareynta, saliidaha, buuxinta, midabka midabka iyo siidaynta.
01 baladizer
Calaamadka waxaa badanaa loo isticmaalaa xarunta poranurethane. Ujeedada loo adeegsado waa in la kordhiyo qashinka xarunta, wanaajinta hantida ka shaqeynta iyo heerkulka hooseeya ee caagga caamka ah, oo yareeyaan xoogga adkaanta iyo ciriiriga ee caagga caagga ah. Caddadka baladizer ma aha mid aad u ballaaran, haddii kale waxay yareyn doontaa caabbinta caabbinta caagga caagga ah ee caasiyiinta ah. Faylka polyurethane-ga waxay leeyihiin fariisnimo xoog leh, si xulashada guud ee agaasinka polar. Phthalates, estaroolka fosfooraska, alifacatic alkyds iyo resphis kale, sida phlycol phthahal, tritoonelene phthacate, triton-resinen, retphy resin, iwm. ifafaale ayaa dhacda ka dib markii dhaqancelinta ka dib. Markaad isticmaaleyso xakameynta Guarenon, xoogga khasabka ah ayaa ka sarreeya, isqabinta joogtada ahi way yar tahay, laakiin adkaanta ayaa si cad u dhimaysa; Marka Tricresol Phosfiilo la isticmaalo, xoogga khafiifka ah ayaa ka hooseeya kan Ruuxron Resin, laakiin adkaanta ayaa si muuqata u dhimaysa.
02 Xidho Fududeeyaha
Qaar munaasabado gaar ah, si loo yareeyo isku-darka khilaafaadka ee polyurethane emastomer iyo in lagu daro caabbinta yareynta, sida loo yaqaan 'sphite', sida 'molybluum', molybluoroum, iwm. Waxyaabaha loo yaqaan 'qaadista', goynta iyo qaybaha kale, waxay leedahay muhiimad weyn dhaqaale.
03 saliida
Saliidaha loo isticmaalo polyurethane erastomer waxaa badanaa loo isticmaalaa ka baaraandegida heerkulka heerkulka iyo hiilomer isku dhafan. Acid Acid iyo milixdeeda, paraffin iyo steramide-ka ayaa badanaa la isticmaalaa.
04 Siideynta Wakiilka
Wakiilka sii deynta waa wakiil ka shaqeeya hawlgal lama huraan ah oo ku saabsan soosaarka seddex nooc oo ah waxyaabaha Polyurethane elastomer. Polyurethane waa shey xoog badan oo polymer ah oo xoog leh. Waxay leedahay awood adag oo isku xiraya agabyada birta iyo poly polymer polymer. Iyaga oo aan laga sii daayn wakiilka, alaabooyinka waa adag tahay in laga soo baxo caaryada. Wakiillada siideynta ee sida caadiga ah loo isticmaalo waa caalobi silicone, silicone, saliida silicone, saabuunta, iwm.
05 buuxi
Waxyaabaha lagu buuxiyo si loo yareeyo qarashka badeecada iyo hagaajinta kuleylka iska caabbinta, yareeya burburka iyo wada-takoorka ballaarinta kuleylka iyo guryaha kale. In lagu daro nooca polyurethane ee nooca 'polyurethane' waxaa badanaa lagu dari karaa 20-30 nuqulo ah oo kaarboon ah, ujeedkeeduna maahan in la xoojiyo, laakiin si loo ilaaliyo astaamaha jirka iyo farsamada ee aasaasiga ah ee caanka ah ee aan la beddelin oo ku saabsan yareynta qiimaha wax lagu yareeyo. Iyada oo kororka qaddarka kaarboon-ganbo, xoogga caagga ah iyo goynta caagga ah ee caagga ah ay si tartiib tartiib ah u yaraadaan, oo si fudud u kala duwan yihiin kuwa ugu fiican, oo ay ku xigto kaarboon-u-adkeyd, semi-xoojin ah midowga madow ayaa liita. Kuwa kale ee loo yaqaan 'dhoobo' sida dhoobada, cadaanka cadaanka cadaanka ah, kaalshiyamka kaarboon, barium sulfate, iwm, waa la isticmaali karaa.
06 midabeyn
Alaabada Polyanurethane erastomer waa midab midab leh, qurux iyo deeqsinimo leh waxay kuxirantahay midabka midabka. Waxaa jira laba nooc oo midabyo ah, midab dabiici ah iyo midabado dabiici ah, dhalo dabiici ah, dhalo dabiici ah ayaa inta badan loo isticmaalaa in lagu sameeyo alaabooyinka polmoplastic polyanurethane, qurxinta iyo qurxinta qaybaha duritaanka iyo qaybaha duritaanka. Midaynta alaabada elastomer guud ahaan waxay leeyihiin laba siyaabood: midku waa ku darista waxyaabaha lagu daro iyo oligomal polyol oo ku habboon khamriga iyo oligomatate polyol, sida polmonsanate polyanurethane colecle iyo agabyada dharka ee loo yaqaan 'polyurethane' Qaab kale waa midabka iyo waxyaabaha kale ee lagu daro iyo oligomal polyols ama oligomal polyol ama ku shiidaan midab midab ama koollo midab leh, ka dib kululaynta fuuq-baxa fariimaha, kaydinta baakadaha. Markii la isticmaalo, ku dar midab yar oo midab leh propottymer, si adag u walaaq ka dibna ka falcelinta wakiilka istaaga silsiladda oo lagu shubo alaabada. Qaabkan waxaa badanaa loo isticmaalaa nidaamka 'vaga vcacins'. Waxyaabaha midabka leh ee ku jira koontada koollada midabka leh ee qiyaastii 10% -30%. Qaddarka ugu darida ee midabka midabka ku jira ee badeecaduhu guud ahaan ka yar tahay 0.1%.
Wakiilka Faafinta ayaa inta badan waxaa loola jeedaa wakiilka vccincinsizizizizizizize iyo dardardaraha, oo loo adeegsaday oo keliya cudurka polyurethane-ga isku dhafan. Wakiilka vccincing-ka waxaa ka mid ah isocyanate, peroxide iyo baaruud. Esters-yada Isocyate waxaa badanaa loo isticmaalaa TDI iyo dildi, MDI Dimer iyo Papi, iwm.
Faa'iidooyinka isticmaalka ISACYANATE Marka wakiilka xunxun uu yahay caabbinta wanaagsan, xoog sare iyo adag. Wakiilka 'peroxide vencin wakiilka' diistopylbenetylzende peroxide 'waa kan ugu badan, noocyo kale ayaa leh tertkyl-busyl, alkyl alkyl ochoxy-ka, heerkulka alkyl, heerkulka nugul ee ilaa 140-150℃waa ku habboon tahay.
Iyada oo leh Wakiilka Veroxide Vericide Miccing wakiilka wakiilka VCCICizizizizing-ka marka la barbar dhigo xarunta, dheecaanka hore ee isku-darka, dheellitirka, dheellitirka ka daadashada ayaa ah kuwaas oo aan si toos ah u adeegsan karin kuwa xunxun. iska caabinta heerkulka waa mid sabool ah, ur; Marka qaab dhismeedka xarunta polyurethane ay kujirto qaybo silsilad ah oo aan fiicnayn, vuls-ga baaruudda waa la isticmaali karaa.
Xasilinta wakiilka nidaamka
Si looga hortago gabowga caagga ah ee polyurethane, dheereynta nolosha adeegga ee sheyga, waxaa loo isticmaali karaa in lagu daro xasilinta kuleylka, nabaad-nambarka nalka, ka hortagga haynta, anti-wakiilka, dib-u-dhigista iyo xeryaha kale.
01 kululaynta kuleylka
Kuleylka 'polyurethane past vistation visication' ma aha mid aad u wanaagsan, oo ah oksidation-ka iyo qulqulka kuleylka, sidaa darteed petylyt-2-terykyt-2-ah), Antioxidant -264), afar-hydroxy-3, pentareeythritol (5-di-tert-Butellphlllllllllllllllllllllllll?
02 nalka nalka
Sidoo kale loo yaqaan 'ultraviolet', waxay si weyn u hagaajin kartaa sawir-qaadista polyurethane-ka udgoon. Stavilizles Smafilizle-ka caadiga ah waxaa ka mid ah Benzopenoe, Benzotriazole iyo Pipridine, sida 2-hydroxyben-4-dethooxybenny-4-hydroxybenzophenone (4-hydroxyben-3 '-hydroxy-but -5-chlorobenziazole (UV-328), Bisiis (2, 6, 6-Tetramethylpipideine) Sebacate, iwm.
03 Seeraha Hydrolysis
Marka Polyester Polyurethane caag lagu isticmaalo bey'ad qoyan, gaar ahaan biyaha kulul, xasilinta hydrolysis waa in lagu daro. Seeraha hydrolyssis-ka si balaaran loo isticmaalo warshadaha waa xeryahooda loobaahayo gaimide-ka. Waxaa soo saaray laba buundo oo kiimiko ah℃, badiyaa loo isticmaalaa gobolka la kariyey ee polyster-ka polyster ee polyster, sida ku shub nooca polyurethane, jaakad polyurethane ah; Dambe wuxuu leeyahay miisaanka molikal oo sarreeya waxaana loo isticmaalaa in lagu daro themoplastlastlastlastos iyo qalabka loo yaqaan 'polyurethane'.
04 Wakiilka Anti-Caaryada
Cudurka Polytherthertherthertherther erastomer wuxuu leeyahay awood adag oo xinjiro adag, 0-1, asal ahaan ka madax banaan nabaad-guurka micropial, ma kori doono caaryada; Nooca polyester nooca iyo polyε-Caprolactocone nooca polyurethane riddo caag ah ayaa u nugul nabaad-guurka microbial iyo caariyaysi ku dhaca jawi kulul iyo huurka iyo jawi madow, gaar ahaan polyε-Caprolactoctone Nooca caariyada caagga ah ee polyurethane-ka ayaa ka sii daran, marka waxaa lagama maarmaan ah in lagu daro wakiilka ka hortagga ee-ka-hortagga. Wakiilka ka hortagga antilend-ka ee caadiga ah waa 8-hydroxyquineline, 8-hydroxyquinenone, pentachlorophololone, pentachlorophophenol, pentachlorophophenol, tricylloro4 - (Tricyl Sulkone) Peylyl SULYLE, Peylyl Pinylcercic, iwm. waa 0.1% -1%. Xulashada Endog Caseyritor-ka waa inay tixgelisaa saameynta cudurka iyo sunta rasaasta ee jirka bini-aadamka iyo waxyaabaha kale ee xasaasiga ah, oo aan lahayn sunta bakteeriyada ee jirka iyo sunta rasaasta ee jirka bini-aadamka (LD50) = 500-16000mg / kg), laakiin waxaa jira midab.
05 olol dib-u-dhac
Fasalka dib-u-dhigga ee loo yaqaan 'Flame' ee agabyada waxaa badanaa lagu cabbiraa tusaha oksijiinka ah: Tilmaamka oksijiinka ah> 38 ee qalabka dib-u-dhigga ee ololaha aagagga dib-u-dhigga iyo> Tilmaanta oksijiinka ee polyurethane ee caanka ah waa 19-20, oo ay iska leedahay walxaha guban kara. Marka Polyurethane loo adeegsado alaabta guriga, dhismaha, baabuurta, gawaarida, qalabka socodka, waa inay la kulmaan heerarka ololka ololka ee ka sarreeya fasalka II. Sidaa daraadeed, ololka dib-u-dhigga ayaa si weyn loogu isticmaalaa alaabada polyurethane, waana qiyaasta ugu badan ee muruqyada, xisaabinta qiyaastii 1/3 wadarta tirada isugeynta ee xeryaha polyurethane. Flaint dib-u-dhigga ayaa loo qaybiyaa Inorganic iyo mid dabiici ah, olol ifilo ah oo ololaya, boron, sida aluminium hyddrate, oo raqiis ah, oo ah mid soo saarta qiiq, mutaceyntu waa qiiq, dheellitiranuna waa mid adag, sareeya. Cufnaanta, cabirka, gaadiidka, qalabka isku-darka ayaa la soo bandhigayaa shuruudaha sare, isticmaalka ma ahan mid aad u sahlan.
Qalabka kiimikada ee kala duwan ayaa door muhiim ah ka ciyaara qeybta kiimikada ganaax ah. In kasta oo qaddarka uusan weyneyn, waxaa jira noocyo badan, adeegsi ballaaran iyo qiimo aad u sareysa. Shirkado badan oo guriga jooga iyo dibedda ayaa ka go'an inay horumariyaan auxiilas cusub, gaar ahaan auxiilas-ka shaqeeya. Polyurethane waa warshado qorrax soo baxa, waxqabadka dhameystiran waa mid aad u fiican, baaxadda dalabka ay fidinayso.
Qingdao rinplanty agabyada cusub waxaa ka go'an horumarinta iyo soo saarista qalabka wax lagu daro iyo wax soo saarka polymer ee xirfadlayaasha ah, sida ka hortagga loo yaqaan 'antioxidats', nuugista umulisada, ololaha iftiinka, qulqulka badan ee injineeriyada Ingriiska.
Ku soo dhowow inaad wax ka weydiiso:yihoo@yihoopolymer.com
Waqtiga Post: apr-12-2023