Momwe Mungasankhire Antioxidant Yoyenera?

Momwe mungachitireSankhanindiAzoyeneraAantioxidants?

Kusankha antioxidant yoyenera ndi gawo lofunikira pakuwongolera kukhazikika, mawonekedwe ndi magwiridwe antchito a polima. Izi zimafuna kuganiziridwa mozama pazifukwa zambiri monga mankhwala a polima palokha, momwe zinthu zimagwirira ntchito, malo ogwiritsira ntchito kumapeto komanso malamulo oteteza chilengedwe.

Ma polyolefins(monga polyethylene ndi polypropylene) ndizovuta kuwonongeka kwa okosijeni, zomwe zimafuna kuti ma antioxidants oyambirira (monga phenols) atenge ma radicals aulere ndi othandizira antioxidants (monga phosphites) kuti awononge hydroperoxide.

Zithunzi za PVCKuwonongeka kwa 's makamaka kumachokera ku ionization, ndipo poyerekeza ndi polyolefins, opanga PVC ali ndi kufunikira kochepa kwa ma antioxidants. Pakadali pano, ma antioxidants omwe amagwiritsidwa ntchito kwambiri pa PVC akuphatikizapoAO1076AO2246 ndi ena.

Mapulasitiki a engineering(PA, PC, PPS) nthawi zambiri amakonzedwa pa kutentha kwambiri ndipo amafunama antioxidants olimbana ndi kutenthakuteteza chikasu ndi kutaya mphamvu.

①Pazinthu zotentha kwambiri (>280 ℃), ndikofunikira kusankha mitundu yokhala ndi kusinthasintha kochepa komanso kutentha kwambiri.

②Pakuwonetseredwa kwakunja kwanthawi yayitali, makina odana ndi UV amafunikira, monga mankhwala a phenolic ndiUV absorbers.

③Yang'anirani kuyanjana ndikupewa mvula. Kuphatikiza apo, ma antioxidants a amine ali ndi chitetezo chochepa chamtundu.

④Kuphatikizika kwa antioxidant yayikulu ndi antioxidant wothandizira kumatha kusintha kwambiri anti-kukalamba.

Mwachidule, kugwiritsa ntchito ma antioxidants kokha sikukwanira kuthana ndi zochitika zosiyanasiyana zogwiritsira ntchito, ndipo kugwirizanitsa zowonjezera zambiri ndi chisankho chabwinoko.

Lumikizanani nafe kuti mudziwe zambiri!