Sida looDooroahAku habboonAantioxidant?
Doorashada antioxidant ku habboon waa tallaabo muhiim ah oo lagu hagaajinayo cimriga, muuqaalka iyo shaqeynta polymer. Tani waxay u baahan tahay tixgelin dhamaystiran oo arrimo badan sida sifooyinka kiimikada ee polymer laftiisa, xaaladaha processing, deegaanka isticmaalka dhamaadka iyo xeerarka ilaalinta deegaanka.
Polyolefins(sida polyetylen iyo polypropylene) waxay u nugul yihiin hoos u dhigista kuleylka kuleylka, waxay u baahan yihiin antioxidants aasaasiga ah (sida phenols) si ay u qabtaan xagjirrada xorta ah iyo antioxidants caawiyayaasha (sida fosfit) si ay u jajabiyaan hydroperoxide.
PVCBurburinta badiyaa waxay ku saleysan tahay ionization, marka la barbar dhigo polyolefins, soosaarayaasha PVC waxay leeyihiin baahi aad u yar oo loo qabo antioxidants. Hadda, antioxidants sida caadiga ah loo isticmaalo PVC waxaa ka mid ahAO1076, AO2246, iwm.
balaastikada injineernimada(PA, PC, PPS) guud ahaan waxaa lagu farsameeyaa heerkul sare oo loo baahan yahayAntioxidants kulaylka u adkaystasi looga hortago huruuda iyo luminta xoogga.
① Xaaladaha processing heerkulka-sare (> 280 ℃), waxaa lagu talinayaa in la doorto noocyo leh isbedel hoose iyo iska caabin heerkulka sare.
② Soo-gaadhista bannaanka ee muddada-dheer, nidaamka ka-hortagga UV-ga ee isku-dhafka ah ayaa loo baahan yahay, sida xeryahooda phenolic iyoNuugayaasha UV.
③Fiiro gaar ah u yeelo is waafajinta kana fogow roobabka. Intaa waxaa dheer, amine antioxidants waxay leeyihiin ilaalinta midabka daciifka ah.
④ Isku darka antioxidant-ka ugu weyn iyo antioxidant-ka caawiya ayaa si weyn u wanaajin kara saameynta gabowga.
Marka la soo koobo, isticmaalka antioxidants kaliya kuma filna in ay la qabsadaan xaaladaha kala duwan ee codsiga, iyo isku-dubbaridka waxyaabo badan oo lagu daro ayaa ah doorasho wanaagsan.
Nala soo xidhiidh wixii macluumaad dheeraad ah!
Waqtiga boostada: Meey-12-2025