Wax polyetylen ah waa polyetylen leh miisaan hooseeya (<1000), waana kaaliyaha caadiga ah ee warshadaha wax soo saarka caagga ah.Isticmaalka wax-soo-saarka polyetylen-ka ee qaabaynta caagga ah waxay hagaajin kartaa dareeraha alaabta, kordhinta wax-soo-saarka, waxayna u oggolaan kartaa xoogga buuxinta sare.

Pe waxwaxaa si weyn loo isticmaalaa in processing masterbatch midabka.Ujeedada lagu daray wax polyetylen ma aha oo kaliya in la beddelo waxqabadka processing ee nidaamka masterbatch midabka, laakiin sidoo kale si kor loogu qaado kala firidhsan ee pigments in masterbatch midabka.Kala firdhinta midabka ayaa aad muhiim ugu ah masterbatch midabka, iyo tayada midabka masterbatch inta badan waxay kuxirantahay kala firdhisanaanta midabka.Kala firdhinta midabada wanaagsan, awoodda midabaynta sare ee masterbatch midabka, tayada midabaynta wanaagsan ee alaabta, iyo qiimo jaban.Dhuka polyetylen wuxuu wanaajin karaa heerka kala firdhisanaanta midabka ilaa xad, waana kala firdhisanaan caadi ah ee soo saarista midabka masterbatch.Sababo la xiriira hababka wax soo saarka kala duwan, polyetylen waxaa loo qaybin karaa laba nooc: nooca polymerization iyo nooca pyrolysis.Midda hore waa ka-soo-saarka polymerization polyetylen-cadaadiska sare, kan dambena waxaa sameeyay dildilaaca kulaylka polyetylen.Sababtoo ah dhuxul polyetylen leh qaab dhismeed kala duwan ayaa loo qaybin karaa cufnaanta sare iyo hoose, taas oo la mid ah polyetylen.Sababtoo ah kala duwanaanshaha habka wax soo saarka, cufnaanta, miisaanka kelli, qaybinta miisaanka kelli iyo qaab dhismeedka molecular ee wax polyetylen, waxqabadkeeda codsiga ee masterbatch midabka sidoo kale waa ka duwan yahay.

Diyaarinta shamac polyetylen by pyrolysis
Pyrolysis waa habka ugu muhiimsan ee wax soo saarka polyetylen ee Shiinaha.Miisaanka unugyadu sareeyo ee polyetylen saafi ah ama balaastikada qashinka ah ee polyetylenka ah ayaa lagu dahaadhay shamac polyetylen heerkul sarreeya.Tayada wax soo saarka iyo sifooyinka (sida qallafsanaanta, barta dhalaalka, midabka muuqda, iwm) ayaa si weyn u saameeya isha alaabta ceeriin ee dildilaaca.Habka pyrolysis waa mid fudud, ilaha alaabta ceeriin waa qani, iyo kharashka hawlgalka waa yar yahay.Waxay xaqiijin kartaa dib u isticmaalka qashinka polyetylen, oo leh faa'iidooyin dhaqaale oo wanaagsan.

Nidaamyada dildilaaca ee jira waxaa ka mid ah dildilaaca kulaylka, dildilaaca caawiya dareeraha iyo dildilaaca catalytic.Waxaa ka mid ah, dildilaaca kulaylka ayaa ah kan ugu fudud.Alaabta wax-soo-saarka polyetylen waxaa lagu diyaarin karaa iyadoo la xakameynayo heerkulka falcelinta iyo waqtiga, laakiin waxay u baahan tahay isticmaalka tamar badan.

Xue Ping iyo kuwa kale oo ka socda Jaamacadda Beijing ee Tiknoolajiyada Kiimikada waxay sameeyeen cilmi-baaris ku saabsan diyaarinta wax-soo-saarka polyetylen by pyrolysis of resin PE heerkul sarreeya oo ah hal-dharka-fure.Kuleyliyaha ayaa lagu daray tuubada isku xirka u dhexeysa dabaasha iyo haanta qaboojinta si loo kululeeyo walxaha ku jira, iyo heerkulka ugu fiican ee dildilaaca wuxuu ahaa 420 ℃, isagoo ogaanaya wax soo saarka joogtada ah ee dhuka polyetylen by pyrolysis of resin PE.

Zhang Jianyu iyo kuwa kale waxay barteen iyadoo la isticmaalayo Al-MCM-48 sida kicinta si ay u kiciso burburka ee polyetylen qashinka si ay u diyaariyaan wax polyetylen in autoclave, heerkulka falcelinta ee 360 ​​~ 380 ℃ iyo waqti falcelinta 4 h.Isticmaalka kicinta wuxuu yareeyaa tamarta kicinta falcelinta, heerkulka looga baahan yahay dillaaca iyo isticmaalka tamarta.Wang Lulu iyo kuwa kale waxay wanaajiyeen wax-soo-saarka wax-soo-saarka polyetylen-ka oo ay ku caawiyeen pyrolysis-ka caawiyay dareeraha ee caagagga qashinka polyetylenka, waxayna baareen saamaynta dareerayaasha kala duwan iyo xaaladaha falcelinta ee wax-soo-saarka iyo wax-soo-saarka wax-soo-saarka wax-soo-saarka.Tijaabadu waxay muujinaysaa in wax-soo-saarka wax-soo-saarka polyetylen-ka lagu wanaajin karo iyadoo la isticmaalayo qasmooyin udgoon, wax-soo-saarkuna wuxuu gaari karaa 87.88% marka loo isticmaalo xylene isku dhafan sida dareere ahaan.Walxaha caraf udgoon ayaa sidoo kale wanaajin kara tayada badeecada ilaa xad, waxaana la heli karaa dhuxul jaalaha ah ee polyetylen.
Qingdao Sainuo Chemical Co., Ltd.Waxaan nahay soo saaraha PE wax, PP wax, OPE wax, EVA wax, PEMA, EBS, Zinc/Kalcium Stearate….Alaabtayadu waxay dhaafeen REACH, ROHS, PAHS, FDA.
Hubi in wax laguu hubo, soo dhawoow su'aalahaaga!
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