Gukora ibintu hamwe no gushushanya ingingo nyamukuru na anioxidexidents kurwanya ubushyuhe bwa ogisijeni

Gukora ibintu hamwe no gushushanya ingingo nyamukuru na anioxidexidents kurwanya ubushyuhe bwa ogisijeni

Kurwanya ogisijeni ya anti-theing of polymer igerwaho ahanini no kongeramo antioxidants, ibishobora kugabanywa muburyo bubiri bwa Antioxydidants hamwe na Anicoxdants ya Antioxydants hamwe nubufatanye bwabo kandi bugira ingaruka nziza zo kurwanya ubushyuhe bwa ogisijeni.

• Uburyo bwo gukora ibikorwa byibanze antioxydidants

Antiyoxydant irashobora kwitwara hamwe na radicals yubusa r · na roo ·, ifata kandi ikuraho imirongo yubusa, ibahindura imirongo yubusa, ikuraho imirongo yubusa, ikuraho imirongo yubusa ikorwa nubushyuhe bwo hejuru, ubushyuhe nibitekerezo byo kurinda polymer. Uburyo bwihariye bwibikorwa ni ibi bikurikira:

Abaterankunga ba hydrogen, arlomine yisumbuye kandi babujije antiolictants zirimo -oh, = nh matsinda, ishobora gutanga atome ya hydrogen kubuntu, kuburyo bikora imirasire yubusa, kugirango imibande ikorwa ihamye, kuburyo bitanga umusaruro uhamye cyangwa hydroperoxide ihamye cyangwa amazi meza.

Imitego idasanzwe yubusa, Antiyoquitone Antioxidaken yitwara na radical yubusa kugirango ikore imiti ihamye yubusa.

Electron Donor, teritiya anine antioxidakeza itanga electrons kugirango zitere imbere, bibatera ibikorwa bito-bibi, bikangirika kwigarukira.

Antiyoxdidants irashobora gukoreshwa wenyine, ariko kora neza hamwe na Antioxydiday.

• Uburyo bwo gukora Anioxiexidents

Antiyoxidents irashobora kubora hydroperoxide ikorwa na antioxydant zibanze zigifite ibikorwa runaka, kugirango badasubiramo ibijyanye na okiside yikora.

Mubyongeyeho, Antioxidexdants irashobora kubuza no gutinza gushinga imirasire yubusa mugihe cyo gutangiza, hanyuma usiba ion isenyuka muri polymer. Antioxidents nka terefone ya terefone hamwe na enterineti kama ni abakozi ba hydropexide.

• Guhitamo Antioxidants

Hariho ubwoko bwinshi bwa AntiyoExidakers, kandi ingingo zikurikira zigomba kwishyurwa mugihe uhisemo.

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. Ariko, bizahindura ibara mugihe cyo gutunganya no kwanduza ibicuruzwa, kandi uburozi ni bunini, mubyukuri ntabwo bikoreshwa mubicuruzwa bya polymer bisaba isuku.

. Ibi byose byavuzwe haruguru bizagira ingaruka ku ngaruka za antioxident.

. Ihindagurika ryerekeza ku bintu bikubiyemo ibicuruzwa bya polymer birimo Antiyoxiday guhunga ibikomokaho, kandi hejuru cyane cyane kandi uburemere bwa antioxides ni buto.

• Guhitamo Antioxydants

Yabujijwe Antioxidant Promic ikunze gukoreshwa muri polymer kuko ntabwo yanduza ibicuruzwa, iri hafi yumuzungu, udafite uburozi cyangwa uburozi buke. Umubare winyongera wa 0.4% ~ 0.45% ubangamiye antioxidant ifite Antioxydidant, ariko biroroshye kurandura no kubabara polymer polymer, kandi ntabwo bikoreshwa muri polymers. Rimwe na rimwe birashobora gukoreshwa gusa ibicuruzwa bya polymer byijimye. Kwiyongera kw'amasezerano atandukanye ya antioxydants zibanze kuruta kwiyongera kwongeweho, nkayabujije phenol / kudingabunganya cyangwa kudindiza amine / ibangamira guhuza fenol.

• Guhitamo Anioxidexidents

Tesfite ifite ingaruka nziza ya synorgistidant hamwe na antioxydidant, kandi ifite urwego runaka rwa antioxy, kurwanya ubushyuhe, ibirwanya ikirere ni byiza, ni byiza kurwanya amazi, ariko birashobora guhitamo ubwoko bushya bwo kurwanya amazi, ahubwo birashobora guhitamo ubwoko bushya bwo kurwanya amazi. Gushyira mu bikorwa Antioxides ya Sulfure ntabwo ari byinshi nka posfite, kandi biroroshye kubyara umwanda wa sulfuru mugihe uhujwe ninyongera, kandi bigira uruhare runini muri Hals Stabilizers.

• Ingaruka ya Synorgistic yaba anitimaxides nabafasha

Antiyoxidakers igomba kongerwaho muri synergy hamwe na antioxysident yo kugira ingaruka za Antioxident, kandi irashobora kugabanya umubare wibanze antioxidant yongeyeho, kandi kongeweho konyine nta ngaruka za Antioxy zidafite ingaruka za Antioxy. Ubwoko bwa Antiyoxdidants burabangamira phenol / thioether, kuri terefone cyangwa antioxidant ni phenoxident ni phenoxidant 1010, 1076, nibindi bya kabiri ni fosifite 168.