Amine antioxidants, amine antioxidants yog tsuas yog siv los tiv thaiv thermal oxygen aging, ozone aging, qaug zog laus thiab hnyav hlau ion catalytic oxidation, cov nyhuv tiv thaiv yog tshwj xeeb. Nws qhov tsis zoo yog cov pa phem, raws li cov qauv tuaj yeem muab faib ntxiv rau hauv:

Phenyl naphthylamine class: xws li anti-A los yog anti-A, antioxidant J los yog D, PBNA yog cov laus tshaj plaws antioxidant, feem ntau yog siv los inhibit thermal oxygen aging thiab qaug zog laus, vim toxicity vim li cas, hom antioxidant no tsis tshua muaj siv nyob rau hauv txawv teb chaws.

Ketamine antioxidant: tuaj yeem muab cov roj hmab roj hmab zoo heev thaum tshav kub kub thiab kev laus oxygen, qee zaum muab kev ua haujlwm zoo rau flexural cracking kev ua tau zoo, tab sis tsis tshua muaj inhibit catalytic oxidation ntawm hlau ions thiab ozone aging muaj nuj nqi. Anti-aging agent RD. Anti-aging tus neeg saib xyuas AW tsis tsuas yog muaj kev ua haujlwm ntawm antioxidant, thiab feem ntau siv los tiv thaiv cov ntxhiab tsw oxygen.

Diphenylamine derivatives: Cov tshuaj antioxidants no inhibit qhov ua tau zoo ntawm thermal oxygen aging sib npaug los yog tsawg dua li dihydroquinoline polymer, thaum siv los ua antioxidant, lawv sib npaug rau antioxidant DD. tab sis kev tiv thaiv kev qaug zog kev laus yog qis dua li yav tas los.

Derivatives ntawm p-phenylenediamine: Cov tshuaj antioxidants no yog ib chav kawm ntawm cov tshuaj antioxidants dav siv hauv kev lag luam roj hmab tam sim no. Lawv tuaj yeem tiv thaiv kev laus ozone, qaug zog laus, thermal oxygen laus thiab hlau ion-catalyzed oxidation ntawm cov khoom siv roj hmab. Dialkyl p-phenylenediamine (xws li UOP788). Cov tshuaj no muaj qhov tshwj xeeb los tiv thaiv ozone kev laus, tshwj xeeb tshaj yog ozone kev laus ua haujlwm tsis muaj paraffin, thiab zoo inhibition ntawm thermal oxygen aging nyhuv. Txawm li cas los xij, lawv muaj kev nyiam los txhawb scorching.

Kev siv cov tshuaj no nrog alkyl aryl p-phenylenediamine tuaj yeem muab kev tiv thaiv zoo tiv thaiv kev laus dynamic ozone. Qhov tseeb, dialkyl-p-phenylenediamine ib txwm siv ua ke nrog alkyl-aryl-p-phenylenediamine. Alkyl aryl p-phenylenediamine xws li UOP588, 6PPD. Cov tshuaj no muaj kev tiv thaiv zoo tiv thaiv kev laus ozone. Thaum siv nrog paraffin siv quav ciab, lawv kuj qhia tau zoo heev tiv thaiv ozone static aging thiab feem ntau tsis muaj teeb meem ntawm txau Frost. Qhov ntxov tshaj plaws, 4010NA, tseem siv dav.

6DDP kuj yog ib qho tshuaj tiv thaiv kab mob uas nquag siv hauv pawg no. Yog vim li cas rau qhov no yog tias nws tsis ua rau dermatitis, nws muaj tsawg dua cov txheej txheem kev nyab xeeb piv rau lwm yam alkyl aryl p-phenylenediamine thiab dialkyl p-phenylenediamine, nws muaj tsawg nyiam los txhawb scorching, nws yog tsawg volatile piv rau lwm yam alkyl aryl. thiab dialkyl p-phenylenediamine, nws yog ib qho zoo heev stabilizer rau SBR, thiab nws qhia tau hais tias cov khoom ntawm ib tug antioxidant. Thaum cov hloov pauv yog tag nrho aryl, nws hu ua p-phenylenediamine. Piv nrog rau alkyl aryl p-phenylenediamine, tus nqi qis, tab sis cov kev ua haujlwm los tiv thaiv ozonation kuj qis, thiab vim tias nws cov neeg tsiv teb tsaws qeeb qeeb, cov tshuaj no muaj cov kav ntev thiab muaj txiaj ntsig zoo antioxidants. Lawv qhov tsis zoo yog tias lawv yooj yim txau cov nplaum nplaum hauv cov roj hmab nrog cov solubility tsawg, tab sis nws muaj txiaj ntsig zoo hauv CR nws tuaj yeem tsim kev tiv thaiv zoo heev. Thiab nws tsis tsim teeb meem ntawm kev txhawb scorching.

Phenolic antioxidants

Hom tshuaj tiv thaiv kab mob no feem ntau yog siv los ua cov tshuaj tua kab mob antioxidant, ib tus neeg ntau yam kuj muaj lub luag haujlwm ntawm passivation ntawm hlau ions. Tab sis cov nyhuv tiv thaiv tsis zoo li cov amine antioxidant, lub ntsiab kom zoo dua ntawm cov tshuaj tiv thaiv kab mob no yog cov tsis muaj kuab paug, haum rau cov khoom siv roj hmab xim.

Hindered phenol: hom tshuaj tiv thaiv kab mob no tau siv dav hauv antioxidant 264, SP thiab lwm cov tshuaj tiv thaiv kab mob siab molecular, piv rau qhov tsis muaj zog ntawm cov tshuaj no thiab yog li tsis muaj zog, tab sis cov tshuaj no muaj kev tiv thaiv nruab nrab. Anti-aging agent 264 tuaj yeem siv rau hauv cov khoom noj khoom haus.

Hindered bisphenols: feem ntau siv ntau yam ntawm 2246 thiab 2246S, kev tiv thaiv kev ua haujlwm thiab tsis muaj kuab paug ntawm cov tshuaj no zoo dua li hindered phenols, tab sis tus nqi siab, cov tshuaj no tuaj yeem muab kev tiv thaiv zoo rau cov khoom siv roj hmab sponge, tab sis kuj siv rau hauv cov khoom latex. .

Multi-phenols, feem ntau yog hais txog cov derivatives ntawm p-phenylenediamine, xws li 2,5-di-tert-amylhydroquinone yog ib qho ntawm lawv, cov tshuaj no tsuas yog siv los tswj cov viscosity ntawm unvulcanized rubber films thiab adhesives, tab sis kuj NBR BR. stabilizer.

Organic sulfide hom antioxidant

Hom tshuaj tiv thaiv kab mob no yog dav siv los ua tus stabilizer rau polyolefin plastics raws li hydroperoxide rhuav tshem antioxidant. Ntau daim ntawv thov hauv roj hmab yog dithiocarbamates thiab thiol-based benzimidazoles. Tam sim no daim ntawv thov ntawm ntau dua yog dibutyl dithiocarbamate zinc. Cov tshuaj no feem ntau siv rau hauv kev tsim cov roj hmab butyl stabilizer. Lwm qhov yog dibutyldithiocarbamic acid nickel (antioxidant NBC), tuaj yeem txhim kho kev tiv thaiv NBR, CR, SBR static ozone aging. Tab sis rau NR pab kang oxidation nyhuv.

Thiol-based benzimidazole

Xws li cov tshuaj antioxidants MB, MBZ, kuj yog ib qho ntawm cov khoom siv antioxidants hauv cov roj hmab, lawv muaj kev tiv thaiv me ntsis ntawm NR, SBR, BR, NBR. Thiab tau inhibited lub catalytic oxidation ntawm tooj liab ions, xws li tshuaj thiab ib co feem ntau siv antioxidants thiab feem ntau tsim synergistic teebmeem. Hom tshuaj tiv thaiv kab mob antioxidant no feem ntau yog siv rau hauv cov khoom siv teeb xim.

Non-migratory antioxidant

Qhov twg cov roj hmab nyob rau hauv ib tug ntev tiv thaiv cov nyhuv ntawm antioxidants, hu ua non-migrating antioxidants, ib co kuj hu ua non-extractable antioxidants los yog persistent antioxidants. Piv nrog rau cov tshuaj antioxidant feem ntau yog qhov nyuaj rau kev rho tawm, nyuaj rau kev ua si thiab nyuaj rau kev tsiv teb tsaws, kom cov tshuaj tua kab mob hauv cov roj hmab ua kom muaj kev tiv thaiv ntev ntev ntawm plaub txoj hauv qab no:

1 、 Ua kom qhov hnyav molecular ntawm cov antioxidant.
2, kev ua cov tshuaj antioxidants thiab roj hmab tshuaj sib txuas.
3 、 Cov tshuaj antioxidant yog grafted ntawm cov roj hmab ua ntej ua.
4, nyob rau hauv cov txheej txheem tsim, kom cov monomer nrog kev tiv thaiv muaj nuj nqi thiab roj hmab monomer copolymerization.
Cov tshuaj antioxidant hauv peb txoj kev tom kawg, qee zaum kuj hu ua reactive antioxidant lossis polymer bonding antioxidant.