Zoo tshaj plaws Ammonium Polyphosphate (APP): Cov Khoom Siv Tshuaj Raw Uas Muaj Peev Xwm Ua Tau Ntau Yam
Cov Khoom Tseem Ceeb thiab Cov Yam Ntxwv Tseem Ceeb
Cov Tshuaj Muaj pes tsawg leeg: APP muaj 30% - 32% phosphorus thiab 14% - 16% nitrogen. Qhov kev sib xyaw ua ke ntawm nitrogen thiab phosphorus no ua rau nws tseem ceeb heev rau ntau yam kev siv, xws li muab cov as-ham tseem ceeb rau kev loj hlob ntawm cov nroj tsuag hauv cov chiv thiab ua tiav kev tiv thaiv hluav taws kub zoo los ntawm kev sib koom ua ke ntawm phosphorus thiab nitrogen hauv cov xwm txheej tiv thaiv hluav taws kub.
Kev Ruaj Ntseg Thermal: Nrog rau qhov kub ntawm kev lwj ntawm ≥280 ° C, APP tseem ruaj khov hauv qhov chaw kub siab. Cov yam ntxwv no ua rau nws tsim nyog rau kev tsim cov khoom tiv taus cua sov xws li cov yas engineering thiab cov txheej txheem tiv taus hluav taws siv rau hauv qhov kub siab.
Lub cev nqaij daim tawv thiab kev yaj: Qhov degree ntawm polymerization cuam tshuam rau nws cov dej solubility. Thaum n yog 10 - 20, nws yog dej - soluble; thaum n > 20, nws yog tsis soluble. Cov khoom polymer siab (n> 1000) yog yuav luag insoluble hauv dej, muaj nyob rau hauv cov hmoov dawb flowable nrog ib tug bulk density ntawm kwv yees li 0.7g / cm³, ib tug density ntawm kwv yees li 1.9g / cm³, ib tug pH nyob rau hauv ze - nruab nrab ntau ntawm 5.5 - 7.0, thiab ib tug dej content ntawm ≤0.25%.
Cov Ntawv Thov Tseem Ceeb
Cov nplaim taws retardant teb: Lub hauv paus ntawm Halogen - Dawb nplaim taws retardants
APP yog ib qho tseem ceeb heev uas tsis muaj phosphorus-raws li halogen nplaim retardant, ua rau pom tseeb hauv kev txhim kho ntawm cov khoom siv hluav taws xob uas tsis muaj kuab lom thiab tsis muaj kuab lom.
Cov Txheej Txheem Tiv Thaiv Hluav Taws Kub Intumescent: Siv dav hauv cov qauv ntawm cov txheej txheem tiv thaiv hluav taws kub intumescent. Thaum muaj hluav taws kub, APP yuav lwj thaum cua sov, ua rau cov txheej txheem nthuav dav thiab tsim cov txheej carbonaceous ua npuas ncauj. Cov txheej carbonaceous no ua haujlwm ua lub thaiv rwb thaiv cua sov, thaiv kev hloov pauv cua sov mus rau lub substrate thiab qeeb qeeb qhov kub ntawm lub substrate, yog li tau txais lub sijhawm rau cov neeg ua haujlwm tawm thiab tua hluav taws. Hauv cov xwm txheej uas muaj kev nyab xeeb hluav taws kub heev, xws li cov tsev siab, cov chaw fais fab, thiab nkoj, cov txheej txheem no ua lub luag haujlwm tseem ceeb hauv kev tiv thaiv hluav taws vim yog lub luag haujlwm ntawm APP.
Cov Khoom Yas thiab Roj Hmab: Ntxiv APP rau cov yas thermoplastic xws li polyethylene thiab polypropylene, nrog rau cov khoom roj hmab, tuaj yeem txhim kho qhov hluav taws kub ntawm cov khoom siv. Hauv cov yas casings ntawm cov khoom siv hluav taws xob thiab hluav taws xob, cov khoom yas sab hauv tsheb, thiab cov roj hmab rwb thaiv tsev ntawm cov xov hlau thiab cov cables, APP tiv thaiv kev txuas ntxiv ntawm kev sib xyaw los ntawm kev tsim cov txheej carbon ruaj khov ntawm cov khoom siv los ntawm cov txheej txheem condensed - theem hluav taws kub retardancy, ua tau raws li cov qauv hluav taws kub nruj ntawm cov lag luam cuam tshuam thiab ua kom muaj kev nyab xeeb ntawm cov khoom siv.
Cov Fibers thiab Cov Ntaub: Siv rau kev kho cov fibers thiab cov ntaub uas tiv thaiv hluav taws. Tom qab kho nrog APP, cov fibers thiab cov ntaub tsis yooj yim hlawv thaum ntsib qhov chaw hluav taws, txo qhov kev pheej hmoo ntawm kev kis hluav taws loj los ntawm cov ntaub hauv hluav taws. Nws feem ntau siv rau hauv cov khoom xws li cov ntaub ua haujlwm, cov ntaub thaiv qhov rais, thiab cov ntaub pua plag los txhim kho kev nyab xeeb hluav taws ntawm cov chaw pej xeem thiab cov ntaub hauv tsev.
Kev Lag Luam Chiv: Cov Khoom Noj Muaj Zog thiab Ntau Yam
Cov Khoom Siv Tseem Ceeb rau Cov Chiv Uas Yaj Tau Hauv Dej: Nws yog cov khoom siv tseem ceeb rau kev tsim cov chiv uas yaj tau hauv dej. Tshwj xeeb tshaj yog cov polymer APP uas tsis tshua muaj zog, nrog nws cov dej yaj tau zoo, sib xws, thiab qhov kub thiab txias qis, ua rau nws yog ib qho khoom zoo tagnrho ntawm cov chiv ua kua. Nws tuaj yeem siv los npaj cov chiv ua kua uas muaj cov phosphorus ntau, thiab nws cov pH ze - nruab nrab ua rau nws muaj kev nyab xeeb heev rau cov qoob loo. Nws tuaj yeem chelate cov hlau ions xws li calcium, magnesium, hlau, thiab zinc, tiv thaiv cov ions no los ntawm kev tsim cov precipitates hauv cov tshuaj chiv thiab txhim kho kev ruaj khov ntawm cov chiv. Tib lub sijhawm, nws txhim kho kev txav mus los ntawm phosphorus thiab cov ntsiab lus me me hauv av, ua rau lawv yooj yim nqus thiab siv los ntawm cov qoob loo, paub txog qhov ua tau ntau yam ntawm cov chiv thiab ua tau raws li cov kev xav tau ntawm cov qoob loo ntawm ntau theem kev loj hlob.
Cov Yam Ntxim Saib Uas Tso Tawm Sai Sai: Hauv av, APP maj mam hydrolyzes rau hauv orthophosphate, maj mam tso cov phosphorus kom muab cov khoom noj khoom haus rau cov qoob loo mus sij hawm ntev. Piv nrog cov chiv phosphate ib txwm muaj, nws muaj lub sijhawm ua haujlwm ntev dua ntawm kev ua chiv, txo cov chiv, txhim kho kev siv cov chiv, txo cov nqi tsim khoom ua liaj ua teb, thiab tib lub sijhawm txo cov av tsis muaj as-ham thiab kev ua qias tuaj ib puag ncig los ntawm kev ua chiv ntau zaus, raws li lub tswv yim ntawm kev txhim kho kev ua liaj ua teb kom ruaj khov.
Lwm Cov Ntawv Thov Kev Lag Luam
Kev Kho Dej: Ua tus neeg sawv cev kho dej, APP tuaj yeem sib koom tes nrog cov ions hardness (xws li calcium thiab magnesium ions) hauv dej los tsim cov khoom tsis yaj, txo cov dej hardness thiab tiv thaiv kev scaling hauv cov kav dej thiab cov khoom siv. Nws kuj tseem tuaj yeem tsim ib zaj duab xis tiv thaiv rau ntawm qhov chaw ntawm cov kav dej hlau, ua lub luag haujlwm tiv thaiv corrosion thiab tiv thaiv cov hlau corrosion, yog li ua kom lub neej kev pabcuam ntawm cov kav dej thiab cov khoom siv ntev dua. Nws yog siv dav hauv cov txheej txheem dej ncig hauv kev lag luam, kev kho dej boiler, thiab lwm yam xwm txheej.
Cov Tshuaj Ntxiv Rau Txheej: Hauv lub txheej txheej, APP tuaj yeem ua haujlwm ua cov tshuaj tiv thaiv, tshuaj tua kab mob, thiab tshuaj ua npuas dej. Nws tuaj yeem txhim kho qhov kev sib txuas ntawm cov txheej rau lub substrate, ua rau cov txheej lo rau ntawm qhov chaw ntawm cov khoom. Nws tuaj yeem txhim kho lub zog ntawm cov txheej, txhim kho qhov kev hnav - tiv taus thiab khawb - tiv taus ntawm cov txheej. Nws kuj tseem tuaj yeem txhim kho qhov fluidity thiab leveling ntawm cov txheej, ua rau cov txheej nto du thiab sib xws dua, thiab txhim kho qhov zoo tag nrho thiab cov nyhuv kho kom zoo nkauj ntawm cov txheej.
Cov Lus Qhia Tshwj Xeeb
| Lub Npe Khoom | Ammonium Polyphosphate | |||||||||
| Cov Qauv Tshuaj | (NH₄PO₃)ₙ | |||||||||
| Qhov tsos | Dawb crystalline hmoov | |||||||||
| CAS TSIS MUAJ | 68333-79-9 | |||||||||
| Tus lej HS | 31053000 | |||||||||
| EINECS TSIS MUAJ | 271-839-7 | |||||||||
| Daim Ntawv Thov | Hluav taws kub retardant rau plastics, roj hmab, coatings, textiles; | |||||||||
Daim Ntawv Tswj Xyuas Zoo
| Lub Npe Khoom | Ammonium Polyphosphate | ||||||
| Cov Khoom Tshuaj Xyuas | Tus Qauv | Qhov tshwm sim | |||||
| Qhov tsos | Hmoov Dawb | Hmoov Dawb | |||||
| PO, (%) w/w | ≥71 | 72.09 | |||||
| N (%) w/w | ≥14 | 14.36 | |||||
| Kev yaj g/100ml H0,25°C | ≤0.5 | 0.318 | |||||
| Tus nqi pH (10% aqueous) | 5.5-7.5 | 6.83 | |||||
| Viscosity (100% aqueous, 25 ° C) | ------ | 45 | |||||
| Cov dej noo (%) w/w | ≤0.25 | 0.14 | |||||
| Qhov Nruab Nrab Qhov Loj (μm) | ≤20 | 13.36 | |||||
| Qib nruab nrab ntawm polymerization | ≥1000 | 1500 xyoo | |||||
Kev Tswj Xyuas Zoo thiab Cov Qauv Ua Raws Cai
Cov Txheej Txheem Tsim Khoom thiab Kev Zoo: Muaj ntau txoj kev los npaj APP. Piv txwv li, txoj kev ua kom nag los ntawm kev muab ib qho phosphoric acid rau hauv cov kua dej ammonium thiab tom qab ntawd ntxiv ammonium bicarbonate rau kev ua kom muaj APP. Txoj kev no muaj cov txiaj ntsig zoo thiab yooj yim rau kev ua haujlwm. Txoj kev polymerization siv polyphosphoric acid lossis nws cov lactam los ua ke nrog cov monomers xws li acrylic acid kom tau txais cov khoom lag luam nrog kev ua tau zoo dua. Cov txheej txheem tsim khoom ua raws li lub kaw lus tswj xyuas zoo kom ntseeg tau tias muaj kev ruaj khov ntawm cov cim tseem ceeb xws li kev huv ntawm cov khoom, qib ntawm polymerization, thiab cov dej noo, ua tau raws li cov qauv siab ntawm ntau yam lag luam.
Kev Ua Raws Cai: Cov khoom ua raws li cov qauv kev lag luam thiab cov cai tswjfwm. Hauv cov ntawv thov tiv thaiv hluav taws, nws ua tau raws li cov qauv 阻燃 xws li UL 94. Hauv cov ntawv thov chiv, nws ua raws li cov qauv zoo ntawm cov chiv hauv tebchaws kom ntseeg tau tias siv tau zoo thiab muaj txiaj ntsig. Txij li kev yuav khoom siv raw mus rau kev xa khoom, kev sim nruj heev tau ua tiav thoob plaws hauv cov txheej txheem kom ntseeg tau tias txhua pawg khoom muaj kev ntseeg siab hauv qhov zoo thiab ruaj khov hauv kev ua tau zoo.
Vim li cas ho xaiv peb cov Ammonium Polyphosphate?
Txawm koj koom nrog kev tsim cov khoom siv hluav taws kub los tiv thaiv kev nyab xeeb ntawm lub neej thiab khoom vaj khoom tsev, tsom mus rau kev tshawb fawb thiab kev txhim kho chiv los pab kev sau qoob loo, lossis tshawb nrhiav kev tsim kho tshiab hauv lwm qhov chaw lag luam, peb lub APP yog koj qhov kev xaiv txhim khu kev qha. Peb muab kev txhawb nqa kev txawj ntse los pab cov neeg siv khoom hauv kev ua kom zoo dua cov qauv khoom thiab daws cov teeb meem ntawm daim ntawv thov. Nrog rau lub kaw lus muab khoom dav dav, peb ua kom muaj kev xa khoom raws sijhawm thiab ruaj khov kom tau raws li koj cov kev xav tau ntawm ntau qhov sib txawv.
Qhib cov cib fim tshiab rau kev txhim kho kev ua haujlwm ntawm cov khoom siv thiab kev nthuav dav kev ua haujlwm nrog cov khoom zoo tshaj plaws Ammonium Polyphosphate, thiab sawv ntawm pem hauv ntej ntawm kev tsim kho tshiab thiab kev txhim kho hauv ntau yam lag luam.