Zinthu zoletsa moto zopanda halogen zimagwira ntchito yofunika kwambiri pankhani yoletsa moto wa nsalu.
Zinthu zoletsa moto zopanda halogen zimagwira ntchito yofunika kwambiri pankhani yoletsa moto wa nsalu. Pamene anthu akuzindikira kwambiri za kuteteza chilengedwe, zinthu zoletsa moto zomwe zili ndi halogen zikusinthidwa kwambiri. Zinthu zoletsa moto zopanda halogen ndi zinthu zomwe zilibe zinthu za halogen monga chlorine ndi bromine. Kugwiritsa ntchito kwawo kuli ndi ubwino wambiri pakuletsa moto wa nsalu. Pakadali pano, zinthu zingapo zoletsa moto zopanda halogen zimagwiritsidwa ntchito kwambiri pankhani yoletsa moto wa nsalu. Zitsanzo zina ndi izi: ammonium polyphosphate (APP), copolycyanurate (CP), aluminium hydroxide (ATH), nitrogen-phosphorus flame retardant (HNF), ndi zina zotero. Zinthu zoletsa moto zopanda halogen izi sizimangochepetsa kutentha kwa nsalu, komanso zimapanga mankhwala omwe amaletsa kuyaka pa kutentha kwambiri, motero zimaletsa kufalikira kwa moto. Kufunika kwakukulu kuyenera kuyikidwa pa ammonium polyphosphate (APP). Monga chinthu choletsa moto chopanda halogen chomwe chimagwiritsidwa ntchito kwambiri, APP ili ndi luso labwino kwambiri loletsa moto wa nsalu. Mu nsalu, APP imatha kuyamwa kutentha ndi kuwola pogwiritsa ntchito mankhwala kuti ipange gawo lokulitsa la phosphate loletsa moto, lomwe limaletsa bwino kusamutsa kwa mpweya ndi kutentha ndikuletsa kufalikira kwa kuyaka. Nthawi yomweyo, APP imathanso kulimbikitsa kayendedwe ka kaboni pa nsalu ndikupanga gawo lolemera la kaboni, zomwe zimapangitsa kuti nsaluyo ikhale yolimba. Izi zimapangitsa kuti APP ikhale imodzi mwa zinthu zodziwika bwino zoletsa moto zopanda halogen m'munda wa kuletsa moto kwa nsalu. Mwachidule, zinthu zoletsa moto zopanda halogen zimagwira ntchito yofunika kwambiri m'munda wa kuletsa moto kwa nsalu. Pogwiritsa ntchito zinthu zoletsa moto zopanda halogen monga ammonium polyphosphate, nsalu zimatha kukhala ndi zotsatira zabwino zoletsa moto ndikuwonjezera chitetezo cha moto. Ndi kupita patsogolo kosalekeza kwa ukadaulo, akukhulupirira kuti zinthu zoletsa moto zopanda halogen zidzachita gawo lofunika kwambiri pakuletsa moto kwa nsalu mtsogolo.
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Nthawi yotumizira: Okutobala-11-2023
