Daim ntawv thov ntawm cov sodium antimonate ua ib qho kev hloov pauv rau cov tshuaj pleev roj zog retardants: cov ntsiab lus thiab kev ntsuas tsis zoo
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Lub hauv paus rau phau ntawv
Raws li kev xav tau thoob ntiaj teb rau ib puag ncig kev ua phooj ywg thiab kev nyab xeeb cov nplaim hluav taws xob nce ntxiv, cov fiber ntau thiab cov duab hluav taws xob nrawm. Antime Troxexide (sb₂o₃), raws li tus tub ntxhais synergist ntawm halogen nplaim retardant lub retardant lub khw. Tseem, nws muaj peev xwm lom zem, ua cov plua plav plua plav, thiab cov kev tsis sib haum xeeb tau ua kom dhau kev lag luam nrhiav cov kev daws teeb meem zoo. With China's export controls on antimony compounds, antimony trioxide is in short supply in the international market, and sodium antimonate (NaSbO₃) has attracted attention due to its unique chemical properties and replacement functions. Team txuj hauv cov nroog loj. Ltd., ua ke nrog kev siv cov kev paub tseeb thiab hloov cov lus hauv kev lag luam hauv kev lag luam, sib tham nrog cov ntsiab lus muaj kev sib raug zoo, thiab tshuaj xyuas nws cov hauv paus ntsiab lus, thiab tshuaj xyuas nws cov hauv paus ntsiab lus, thiab tshuaj xyuas nws cov hauv paus ntsiab lus, thiab kev txheeb xyuas nws cov hauv paus ntsiab lus, thiab kev txheeb xyuas nws cov hauv paus ntsiab lus, thiab kev txheeb xyuas nws cov hauv paus ntsiab lus, thiab kev txheeb xyuas nws cov hauv paus ntsiab lus, thiab kev txheeb xyuas nws cov hauv paus ntsiab lus, thiab kev txheeb xyuas nws cov hauv paus ntsiab lus, thiab kev txheeb xyuas cov ntsiab cai zoo, thiab kev tsis txaus siab.
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I. Kev sib piv ntawm nplaim retardant mechanism: synergistic cov nyhuv ntawm cov sodium antimonate thiab antiefonfej
1. Nplaim taws retardant mechanism ntawm kev tsoos sb2o2
SB2O2 yuav tsum ua haujlwm Synergistically nrog Halogen nplaim retardants (xws li bromine compounds). Thaum lub sij hawm sib txuas ua ke, ob qho kev cuam tshuam los ua cov tshuaj tsw qab rau cov neeg siv tshuaj rau (SBX2), uas inhibit combusion los ntawm txoj kev hauv qab no:
Roj av theem Hluav taws retardant: SBX₃ ntes tau dawb radicals (· A, thiab cuam tshuam cov saw sib txuas;
Condensed theem nplaim taws retardant: txhawb nqa kev tsim cov roj carbon txheej kom cais oxygen thiab cua sov.
2. Nplaim taws retardant thaj chaw ntawm cov sodium antimonate
Cov qauv siv tshuaj lom neeg ntawm cov sodium antimonate (NAT thiab SBO₃⁻) muab nws ob qho haujlwm:
Kev kub siab ruaj khov: decomposes los tsim sb₂o₃ thiab Na₂o ntawm 300-500 ° C, thiab cov tso tawm sb₂o₃ tseem koom tes nrog Halogens rau nplaim retardancy;
Alkaline Cov Kev Cai Tswjhwm Zoo: Naito tuaj yeem neutralize cov kua qaub (xws li hcl) tsim los ntawm kev sib txuas thiab txo cov pa taws.
Cov ntsiab lus tseem ceeb: Sodium antimorated nquag pleev xim rau sb2o₃ thaum txo qhov kev pheej hmoo ntawm plua plav thaum ua.
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Ii. Kev tsom xam ntawm qhov zoo ntawm cov ntsev ntawm cov dej qab ntsev Antimonate hloov chaw
1. Txhim kho ib puag ncig thiab kev nyab xeeb
Cov plua plav tsawg: Cov dej antimonate yog cov qauv granular lossis micelpherical, thiab nws tsis yooj yim los tsim cov plua plav hauv lub sijhawm ua;
Tsawg qis kev sib cav sib ceg: piv nrog SB2O2 (teev raws li cov tshuaj uas muaj kev txhawj xeeb txog eco-toxicity thiab tseem tsis tau tswj hwm nruj me ntsis.
2. Ua cov kev ua haujlwm zoo
Txhim kho qhov tsis txaus: Sodium e nce polarity, ua rau nws yooj yim rau kev tawm tsam thiab tusyees hauv cov polymer matrix;
Thermal nyob ruaj khov: Qhov kev sib tw kub ua rau kev ua qhov kub thiab txias (200-300 ° C) ntawm cov fibers (xws li polyester thiab nylon) kom tsis txhob ntxov ua tsis tau.
3. Multifununctional synergy
Pa luam yeeb muaj nuj nqi: Na₂o neutralizes acidic roj thiab txo cov pa tshuaj lom (LOI tus nqi tuaj yeem nce li 2-3%);
Anti-dripping: thaum sib xyaw nrog cov tub rog inorganic (xws li nano av nplaum), cov pa roj carbon monoxide txheej txheem ua denser.
III. Muaj tej yam kev cov nyom hauv daim ntawv thov ntawm sodium antimonate
1. Sib npaug ntawm tus nqi thiab kev siv
Cov khoom siv raw siab: cov txheej txheem synthesis ua rau muaj kev tiv thaiv thiab tus nqi yog li 1.2-1.5 zaug ntawm sb₂o₃;
Cov khoom siv tshuaj uas muaj txiaj ntsig zoo: hauv qab cov nplaim hluav taws xob retardant qib, qhov ntau ntxiv yuav tsum tau nce los ntawm 20-30% (vim tias cov kua txiv rau cov tshuaj pleev ib ce). Txawm li cas los xij, Urbanmines Tech. Ltd., nrog nws cov cim R & D Qhov Zoo, tuaj yeem ua kom tau tus nqi tsim los ntawm cov neeg siv cov neeg ua kom tus neeg tiv thaiv cov neeg ua haujlwm hauv lub ntiaj teb kev ua lag luam hauv ib nrab.
2. Cov teeb meem kev sib raug zoo
Phemitivity: Alkaline Na₂o tuaj yeem cuam tshuam rau qhov ruaj khov melability ntawm qee cov txiaj ntsig (xws li tus tsiaj);
HEE tswj: Sodium residue thaum kub yuav ua rau muaj ntshav daj me ntsis ntawm cov fiber ntau, xav tau cov xim ntxiv.
3. Kev ntseeg siab ntev yuav tsum tau txheeb xyuas
Qhov sib txawv hauv huab cua Kuj: Sodium ion tsiv teb tsaws hauv qhov chaw muaj kev cuam tshuam nrog cov nplaim hluav taws xob tsis tu ncua;
Kev sib tw ua dua tshiab: Cov txheej txheem tshuaj lom neeg rau sodium-retardant fibers yuav tsum tau rov ua dua tshiab.
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IV. Daim Ntawv Thov Kev Thov
Sodium Antimonateyog tsim nyog rau cov teb nram qab no:
1. Cov nqi ntxiv-cov ntawv nyeem cov khoom hluav taws xob thiab cov khoom siv hluav taws xob tua hluav taws, uas muaj cov kev xav tau nruj ntawm cov pa luam yeeb thiab muaj txiaj ntsig tsawg;
2. Dej Raws Li Txheej Txheem: Siv kom zoo dua nws qhov kev tsis txaus siab los hloov chaw sb₂o₃;
3. Cov nplaim hluav taws retardant mis: compounded nrog phosphorus-nitrogen nplaim retardants kom txo qis halogen cia siab.
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V. Kev tshawb nrhiav yav tom ntej
1. Nano-kev hloov kho: Txhim kho cov nplaim hluavtaws retardant efficiency los ntawm kev tswj cov particle loj (<100 nm);
2. Bio-based Carrier Composite: Ua ke nrog cellulose lossis chitosan los txhim kho cov nplaim hluav taws ntsuab;
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Tag
Raws li cov peev xwm hloov chaw rau tus saib xyuas cov tshuaj txhuam uas ua rau pom muaj nuj nqis rau ib puag ncig thiab kev sib koom ua ke, tab sis nws cov nqi hloov kho tsis tau zoo dua. Nrog cov txheej txheem stricter thiab cov txheej txheem ua kom ua tau zoo, kev tsav tsheb ua haujlwm tseem ceeb rau cov kev lag luam txuas ntxiv mus rau kev ua haujlwm siab thiab tsis tshua muaj tshuaj lom.
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Cov ntsiab lus: Sodium Antimonate, Antiat Trioxide, nplaim taws Retardant, Kev Kho Mob Fiber ntau, kev pa luam yeeb