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I-Rubber evame ukusetshenziswa enjoloba - umenzeli wokuguga

May 24, 2019

1, i-ament amenter antine anti-anting, i-agent antine yokulwa nokuguga isekelwe ikakhulukazi ukukhawulelwa kokuguga kwe-oxygen okushisayo, ukuguga okuqinile kanye ne-siteral metal catalytic oximation, amandla awo avikelayo ukungcoliswa kwawo kungcoliswa, okungaphinde kwehlukaniswe ku:

A, Phenylnaphthylamine, njenge-anti-a noma anti-a agent J noma d, i-PBNA ingubuthi obudala bokuguga, ngoba ubuthi be-anti-anting emazweni aphesheya, kuvame ukusetshenziswa .

B, Ketone Amine Uhlobo Lommeli Wokuguga, lunganikeza uhlobo lwenjoloba lokuqina kokuqina kokushisa okuhle kwenjoloba, kwezinye izimo zinikeza ukusebenza kahle kwe-flequal ukuqhekeka kwe-antidation, kepha kungukusebenza kokuguga okuvame kakhulu i-ble -. I-Anti - Ukuguga akulula nje kuphela kunomsebenzi we-antioxidant, kepha kuvame ukusetshenziswa njenge-anti - ohor oxygen agent .

C . ama-dirhenyyamine derivatives, alingana noma asebenza kahle kakhulu kune-dihydroquinoline polymers ekuvinjeleni ukuguga okushisayo, a asebenzisa ama-antioxidants lapho esetshenziswa ukukhathala

D . Ukutholwa kwe-P-Phenyleriamine, lolu hlobo lwe-ejenti yokulwa nokuguga okwamanje lusetshenziswa kakhulu embonini yerabha . Bangavimba ukuguga kwe-ozone, ukuguga kwensimbi kanye nensimbi ion catalytic oximation werabha Imikhiqizo evutha .

Inhlanganisela yalezi zinto nge-Alkyl Aryl P-Phenylediamine ingavikeleka ngempumelelo ngokuguga kwe-Ozone ngaphansi kwezimo ze-alkyl} eqinisweni, i-alylyly} I-6ppd . Lolu hlobo lwezinto ezibonakalayo lunomphumela ovelele wokuzivikela ekugugeni kwe-ozone enamandla lapho usetshenziswa ngokuguga kwe-static,

I-6DDP nayo isetshenziswa futhi njenge-ejenti elwa nokuguga kwalezi zinto . inesizathu sayo, futhi i-arkyly perylene, i-arkyl phyl, i-AREKYL i-arkyl kanye ne-arkyl kune-pararine ye-para-phenylene, yayo I-STIVELLE EMBIL, iyi-Stabilizer enhle kakhulu ye-SBR, futhi ikhombisa izici zama-antioxidants . Lapho ama-ARECYL ARYL PHWEYSIAMInes, abizwa ngokuthi yi-AREHYL PHYLYENSIAMInes, athathwa ngamanani aphansi, ane-anti-ozone umsebenzi} ngenxa yejubane lawo lokufuduka elihamba kancane, lezi Izinto zinokuqina okuhle futhi zisebenza ngempumelelo ama-antioxidants . Banokungabi nabikuwo okulula ukuwafafaza kuphansi kakhulu i-solubity enjoloba enjoloba enjoloba .}

Phenolic antioxidant

Lolu hlobo lwe-ejenti yokulwa nokuguga lusetshenziswa ikakhulukazi njenge-antioxidant, ezinye izinhlobo futhi zinokudlula kwe-ions zensimbi

I-Phenol evinjiwe, lolu hlobo lwe-ejenti lokulwa nokuguga lusetshenziswa kabanzi ku-ejenti lokuguga ngo-264, i-SP ngokuqhathaniswa nokuqina kokuguga nokuqina okudala, kepha lolu hlobo lwezinto ezisetshenziswayo lunokuqina kokubulala 264 lungasetshenziswa emikhiqizweni yebanga lokudla .

Kuvinjelwe iBisphenol, izinhlobo ezisetshenziswayo ezisetshenziswayo zingama-2246 kanti ezingama-2246, lolu hlobo lwezinto ezibonakalayo lungcono kune-phenol ekuvikelweni kwemisebenzi yokuvikelwa kanye nokungcoliswa kwemikhiqizo ye-puble, futhi esetshenziswe emikhiqizweni ye-latex .

Ama-polyphenols, ikakhulukazi abhekisela kokutholwa kwe-P-Phenyleriamine, njenge-2, {5- I-Ditert Phennent Hydroquququone, lolu hlobo lwezinto ezibonakalayo lusetshenziselwa ikakhulukazi ukubonwa kwe-rubber br .

I-ejenti ye-organic sulfide antiaging

Njengomsebenzi osetshenziswa kabanzi kumapulasitiki we-polyoofe alolu hlobo lwe-ejenti yokulwa nokuguga angabhubhisa uhlobo lwe-hydroperoxide amenzeli agen . njengamanje, kusetshenziswa i-zinc dibutyl dithiocarbate njengamanje . isetshenziswa njenge-stabilizer ekukhiqizeni i-butyl rubber . enye i-nickel dibutyl dithithane (nb, sbr static ozone ukuvimbela ukuguga

Thoelyl benzimidazole

Njenge-ejenti ye-anti-agent MB, i-MBZ, futhi ingenye yama-ejenti asanda kulwa nokuguga enjoloba, anomphumela ojwayelekile wokuvikela ku-NR, SBR, BR, NBR, NBR, i-Agent ye-Anti - lolu hlobo lokuguga luvame ukusetshenziswa ngombala okhanyayo Imikhiqizo .

I-Anti - I-Agent eGaging

Bonke enjoloba ukuze badlale ukusebenza okuhlala njalo kwe-ejenti yokuguga, okubizwa ngokuthi yi-ejenti yokuguga engapheli, kunzima okubizwa ngokuthi yi-ejenti yokulwa nokuguga, kunzima ukuyikhipha, kube nzima ukuyikhipha, kunzima ukuyidlulisa ama-ejenti akhulayo kunikeza ukudlala okuhlala njalo ukuvikela amandla okuvikela ku irabha:

1. Khulisa isisindo samangqamuzana ama-anti-agung agents .

2, enqubweni yokuguga kanye ne-rubber Chemical Bond .

3. Ukuhlanganisa i-ejenti elwa nokuguga kwirabha ngaphambi kokucubungula .

4. Copolymerize amamomomende avikelayo ane-monomers enjoloba ehlelweni lokukhiqiza .

Abathathu laba bathathu kwesinye isikhathi babizwa ngokuthi yi-Reactive noma i-Polymer-Bonded .


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