I-amine antioxidants, i-amine antioxidants isetyenziselwa ukuthintela ukuguga kwe-oksijini eshushu, ukuguga kwe-ozone, ukudinwa ukuguga kunye ne-ion metal catalytic oxidation enzima, umphumo wokukhusela ukhethekile. Ukungalungi kwayo kungcoliseko, ngokwesakhiwo sinokwahlulwa kwakhona sibe:
Iklasi ye-Phenyl naphthylamine: njenge-anti-A okanye i-anti-A, i-antioxidant J okanye i-D, i-PBNA yi-antioxidant endala kakhulu, isetyenziselwa ukuthintela ukuguga kwe-oksijeni ye-thermal kunye nokuguga, ngenxa yezizathu ze-toxicity, olu hlobo lwe-antioxidant alufane lusetyenziswe kumazwe angaphandle.
I-Ketamine antioxidant: inokunika irabha ye-diene ubushushu obuhle kakhulu kunye nokusebenza kwe-oksijini yokuguga, kwezinye iimeko ukunika ukuxhathisa okulungileyo ekusebenzeni kokuqhekeka kwe-flexural, kodwa kunqabile ukuba kuthintele i-oxidation ye-catalytic ye-ion zetsimbi kunye nomsebenzi wokuguga we-ozone. Anti-aging agent RD. I-agent ye-anti-aging AW ayinayo kuphela umsebenzi we-antioxidant, kwaye isetyenziswa rhoqo njenge-agent ye-oxygen anti-odor.
I-Diphenylamine derivatives: Ezi antioxidants zivimbela ukusebenza kwe-oksijini eshushu eguga ngokulingana okanye ngaphantsi kwe-polymer ye-dihydroquinoline, xa isetyenziswe njenge-antioxidant, ilingana ne-antioxidant DD. kodwa ukhuselo lokudinwa ukuguga luphantsi kunolo lwamva.
I-Derivatives ye-p-phenylenediamine: Ezi antioxidants ziyiklasi ye-antioxidants esetyenziswa ngokubanzi kwishishini lerabha ngoku. Bangakwazi ukuthintela ukuguga kwe-ozone, ukukhathala ukuguga, ukuguga kwe-oxygen ye-thermal kunye ne-metal ion-catalyzed oxidation yeemveliso zerabha. I-Dialkyl p-phenylenediamine (efana ne-UOP788). Ezi zinto zine-ozone ekhethekileyo yokuguga, ngokukodwa ukusebenza kwe-ozone ye-static ngaphandle kweparafini, kunye nokuthintela okulungileyo kwefuthe lokuguga kwe-oksijini ye-thermal. Nangona kunjalo, banotyekelo lokukhuthaza ukutshisa.
Ukusetyenziswa kwezi zinto kunye ne-alkyl aryl p-phenylenediamine inokubonelela ngokhuseleko olufanelekileyo malunga nokuguga okuguquguqukayo kwe-ozone. Enyanisweni, i-dialkyl-p-phenylenediamine isoloko isetyenziswa ngokudibanisa ne-alkyl-aryl-p-phenylenediamine. Alkyl aryl p-phenylenediamine ezifana UOP588, 6PPD. ezo zinto zinokhuselo olubalaseleyo ngokuchasene nokuguga okuguquguqukayo kwe-ozone. xa zisetyenziswa kunye neparafini wax, zikwabonisa ukhuseleko olubalaseleyo ngokuchasene nokuguga kwe-ozone kwaye ngokuqhelekileyo abanayo ingxaki yokutshiza iqabaka. Olona didi lokuqala, i-4010NA, lusasetyenziswa ngokubanzi.
I-6DDP ikwayinto esetyenziswa ngokuqhelekileyo kwi-antioxidant kolu didi. Izizathu zale nto kukuba ayibangeli i-dermatitis, inefuthe elincinci ekukhuseleni inkqubo xa kuthelekiswa nezinye i-alkyl aryl p-phenylenediamine kunye ne-dialkyl p-phenylenediamine, inotyekelo oluncinci lokukhuthaza ukutshisa, i-volative encinci xa kuthelekiswa nezinye i-alkyl aryl kunye ne-dialkyl p-phenylenediamine, kuba i-SBR ibonakalisa i-stabilizer egqwesileyo kunye ne-antioxidant. Xa izinto ezibambeleyo ziyi-aryl yonke, ibizwa ngokuba yi-p-phenylenediamine. Xa kuthelekiswa ne-alkyl aryl p-phenylenediamine, ixabiso liphantsi, kodwa umsebenzi wokulwa ne-ozonation nawo uphantsi, kwaye ngenxa yezinga lokuhamba kancinci, ezi zinto zinokuqina okulungileyo kwaye zisebenza ngokufanelekileyo kwi-antioxidants. Ukungalungi kwabo kukuba kulula ukutshiza ukhilimu kwirubha ene-solubility ephantsi, kodwa iluncedo kakhulu kwi-CR inokuvelisa ukhuseleko oluhle kakhulu. Kwaye ayivelisi ingxaki yokukhuthaza ukutshisa.
Phenolic antioxidants
Olu hlobo lwe-antioxidant lusetyenziswa ikakhulu njenge-antioxidant, iintlobo zomntu ngamnye zinendima yokudlula i-ion zetsimbi. Kodwa umphumo wokukhusela awulungile njenge-antioxidant ye-amine, inzuzo ephambili yolu hlobo lwe-antioxidant ayingcolisi, ifanelekile kwiimveliso zerabha ezikhanyayo.
I-phenol ethintelweyo: olu hlobo lwe-antioxidant lusetyenziswa ngokubanzi i-antioxidant ye-264, i-SP kunye nezinye ii-antioxidants ezinobunzima be-molecular, xa kuthelekiswa nokuguquguquka kwezinto ezinjalo kwaye ngenxa yoko ukuqina okungahambi kakuhle, kodwa ezi zinto zinefuthe eliphakathi lokukhusela. I-agent ye-anti-aging 264 ingasetyenziswa kwiimveliso zebakala lokutya.
I-bisphenols ethintelweyo: iintlobo ezisetyenziswa ngokuqhelekileyo ze-2246 kunye ne-2246S, umsebenzi wokukhusela kunye nokungangcoliseki kwezi zinto kungcono kune-phenols ezithintelweyo, kodwa ixabiso liphezulu, ezi zinto zinokubonelela ngokukhuselekileyo kweemveliso ze-sponge zerabha, kodwa zikwasetyenziselwa iimveliso ze-latex.
I-Multi-phenols, ikakhulu ibhekisela kwi-derivatives ye-p-phenylenediamine, njenge-2,5-di-tert-amylhydroquinone yenye yazo, ezi zinto zisetyenziselwa ukugcina i-viscosity yeefilimu zerabha ezingavulwanga kunye ne-adhesives, kodwa kunye ne-NBR BR stabilizer.
Organic sulfide uhlobo antioxidant
Olu hlobo lwe-antioxidant lusetyenziswa ngokubanzi njenge-stabilizer yeeplastiki ze-polyolefin njenge-hydroperoxide etshabalalisa i-antioxidant. Usetyenziso olungakumbi kwirabha yi-dithiocarbamates kunye ne-thiol-based benzimidazoles. Ukusetyenziswa kwangoku kokungaphezulu yi-dibutyl dithiocarbamate zinc. Le nto isetyenziswa ngokuqhelekileyo kwimveliso ye-butyl rubber stabilizer. Enye i-dibutyldithiocarbamic acid nickel (i-antioxidant NBC), inokuphucula ukukhuselwa kwe-NBR, CR, SBR static ozone ukuguga. Kodwa kwi-NR inceda impembelelo ye-oxidation.
I-benzimidazole esekelwe kwi-Thiol
Njenge-antioxidants MB, i-MBZ, nayo enye ye-antioxidants esetyenziswa ngokuqhelekileyo kwi-rubber, inefuthe elikhuselayo elikhuselayo kwi-NR, SBR, BR, NBR. Kwaye ithintele i-oxidation ye-catalytic ye-ion zethusi, izinto ezinjalo kunye nezinye ezisetyenziswa ngokuqhelekileyo i-antioxidants kwaye zihlala zivelisa iziphumo ze-synergistic. Olu hlobo longcoliseko lwe-antioxidant luhlala lusetyenziswa kwiimveliso ezinombala okhanyayo.
I-antioxidant engafudukiyo
Apho irabha kwisiphumo sokukhusela esihlala sihleli se-antioxidants, ebizwa ngokuba yi-non-migrating antioxidants, ezinye zikwabizwa ngokuba ngama-antioxidants angenakucatshulwa okanye ama-antioxidants aqhubekayo. Xa kuthelekiswa ne-antioxidant ngokubanzi kunzima ukuyikhupha, kunzima ukuyidlala kwaye kunzima ukufuduka, ukuze i-antioxidant kwirabha idlale umphumo okhuselekileyo wokukhusela kwezi ndlela zine zilandelayo:
1, Yongeza ubunzima bemolekyuli ye-antioxidant.
2, ukusetyenzwa kwe-antioxidants kunye ne-rubber chemical bonding.
3, I-antioxidant imiliselwe kwirabha ngaphambi kokuba iqhubeke.
I-4, kwinkqubo yokuvelisa, ukwenzela ukuba i-monomer enomsebenzi wokukhusela kunye ne-rubber monomer copolymerization.
I-antioxidant kwezi ndlela zintathu zokugqibela, ngamanye amaxesha ikwabizwa ngokuba yi-antioxidant esebenzayo okanye i-polymer bonding antioxidant.
Ixesha lokuposa: Apr-11-2023