Globɛl - Prɛmiɛr TDI: Di Indispɛnsabl Bildin Blɔk na Poliyuretan Indastri

Fizik ɛn Kwɛmyuɛl Prɔpati dɛn

Aw i tan ɛn aw i de smɛl: TDI tipikli prɛzɛnt as wan kɔlɔlɛs transparent ɔ smɔl yɔlɔsh, ayli flammabl likwid. I de mek wan smel we de mek pɔsin vɛks, we strɔng, ɛn we de mek pɔsin vɛks, we de wok as impɔtant tin we de sho se i de de.
Solubiliti ɛn Riaktiviti: . I kin izi fɔ miks wit difrɛn ɔrganik sɔlvɛnt dɛn lɛk ɛtɛnol (we gɛt dikɔmpɔzishɔn), diɛtilin glykol monoɛtil ɛta, diɛtil ɛta, asɛtɔn, kabɔn tɛtraklɔrayd, bɛnzin, klorobenzin, kerosin, ɛn ɔliv ɔyl. Wan pan di kεmikכl prכpati dεm we i gεt pas כl na di riaktiv we i de riaktiv wit wata, we na rεakshכn we de mek kabon dayכksayd gas. Apat frɔm dat, TDI kin riak kwik kwik wan wit kɔmpawnd dɛn we gɛt aktiv haydrojɛn atɔm dɛn, we na prɔpati we dɛn kin yuz insay bɔku industrial prɔses dɛn.
Ki Fyzikal Kɔnstant dɛn: TDI gɛt bɔyl pɔynt we de arawnd 247°C, we de sho di tɛmpracha we i de chenj frɔm likwid to gas stet ɔnda nɔmal atmosfɛrik prɛshɔn. I mɛlt pɔynt de frɔm 19.5 to 21.5°C, we de sho di tɛmpracha dɔŋ we i de sɔlid. Di flash poɛnt fɔ TDI na 127°C, we min se na dis tɛmpracha, i kin mek vaypa we kin bɔn we ignishɔn sɔs de. Wit wan rilitiv density we na 1.217, i dens pas wata, we gɛt implikashɔn fɔ in handel ɛn separeshɔn insay industrial ɛn envayrɔmɛnt kɔntɛks.

Di say dɛn we yu fɔ yuz am

Poliyuretan Fom Prodakshɔn: TDI na di kɔna ston fɔ mek polyurethane fom, we dɛn kin yuz bɔku bɔku wan na bɔku bɔku industri dɛn. Insay di fɔnicha sɛktɔ, sɔft polyurethane fom dɛn we dɛn mek wit TDI na di matirial we dɛn kin pik fɔ mek kɔmfyut ɛn sɔpɔt kusɛn dɛn na sofa, amchɛri, ɛn matres. Insay di motoka biznɛs, dɛn kin yuz dɛn fom dɛn ya na motoka sit dɛn, ɛn dis kin mek pɔsin fil fayn ɛn sef bay we dɛn kin tek shɔk we pɔsin kin gɛt we i de drayv. Apat frɔm dat, dɛn de yuz TDI - bays polyurethane fom dɛn fɔ insuleshɔn aplikeshɔn, lɛk fɔ frij ɛn bildin insuleshɔn matirial, bikɔs ɔf dɛn fayn fayn tɛmal insuleshɔn prɔpati dɛn.
Di Kɔtin ɛn Adhesives: TDI de ple wan impɔtant rol insay di fɔmyulashɔn fɔ ay - pefɔmɛns kɔtin ɛn adeziv. Insay di kɔtin industri, dɛn de yuz TDI - bays polyurethanes fɔ mek kɔtin dɛn we go de te, we nɔ de skrach, ɛn we nɔ de mek kemikal fɔ difrɛn difrɛn sabstret dɛn, we inklud mɛtal, plastic, ɛn wud. Dɛn kin yuz dɛn kɔtin dɛn ya fɔ mek motoka dɛn, fɔ kɔt di flɔ, ɛn fɔ kɔt di tin dɛn we dɛn kin yuz fɔ mek di industri. Insay di adhesives market, TDI - we gɛt adhesives dɛn valyu fɔ dɛn strɔng bonding kapabiliti. Dɛn kin yuz dɛn fɔ gɛda fɔnicha, fɔ bon di tin dɛn we dɛn kin yuz fɔ mek motoka, ɛn fɔ mek kɔnstrɔkshɔn biznɛs fɔ jɔyn difrɛn bildin matirial dɛn.
Di we aw dɛn de mek ɛlastomɛr: Dɛn kin yuz TDI fɔ mek polyurethane elastomers, we kin jɔyn di prɔpati dɛn we rɔba ɛn plastic gɛt. Dɛn elastom ya kin fɛn aplikeshɔn na bɔku say dɛn, lɛk fɔ mek shuz sɔl, usay dɛn kin mek dɛn ebul fɔ chenj fayn fayn wan, dɛn kin te, ɛn dɛn kin mek dɛn shɔk. Dɛn kin yuz dɛn bak fɔ mek sil ɛn gasket dɛn we dɛn kin yuz fɔ mek di industri, usay dɛn kin mek dɛn nɔ gɛt kemikal, abrashɔn, ɛn ay tɛmpracha, dat kin mek dɛn fayn fɔ yuz na say dɛn we tin tranga.

Di We Dɛn fɔ Pripia

Tradishɔnal Fɔsjineshɔn Rot dɛn
2,4 - Amino Toluɛn Rut: . di prכsεs de bigin wit mεlt 2,4 - amino toluεn εn sכlv am insay klorobenzin. afta dat dis sכlushכn de riak wit fכsjin insay tu stεp prכsεs. fכs, wan lכw - tεmprachכ riakshכn de apin insay di tεmprachכ rεnj fכ 35 - 45°C. afta dat, wan ay - tεmprachכ riakshכn de apin na tεmprachכ dεm we de dכn 130°C. afta di riakshכn dεm dכn kכmplit, dεn de introdכks naytrogεn gas fכ kכl εni haydrojεn klorayd we nכ riak εn εksy fכsjin. afta dat dεn de distil di klorobenzin, εn di las step involv vεkyum distileshכn fכ gεt pure TDI.
Naytro Toluene Route: Insay dis mεtכd, dεn de fכs naytret naytro toluene εn afta dat dεn de ridyus am fכ gεt 2,4 - dayaminotoluene. afta dat dis intamεdiεt de sכbjεkt to fכsjεnεshכn, usay i de riak wit fכsjin fכ fכm TDI. Afta dat, dɛn kin prosɛs di riakshɔn miks fɔ separet ɛn purify di TDI prodak.
Ɔda we dɛn we de kɔmɔt na do
Nɔn - Fɔsjin Rot dɛn: insay di las ia dεm, dεn bin de fכkus fכ divεlכp nכn - fכsjin mεtכd dεm fכ prodyuz TDI fכ tray fכ ridyus di envayroment impak we kכnεkt wit fכsjin yus. fכ egzampl, sכm risεch de εksplכr di yus כf כda rijen εn riakshכn kכndishכn fכ mek TDI we nכ nid fכsjin. Bɔt dɛn we ya stil de na di divɛlɔpmɛnt stej ɛn dɛn nɔ dɔn ajɔst yet fɔ mek bɔku pipul dɛn yuz dɛn fɔ du biznɛs.

Di tin dɛn we wi fɔ tek tɛm wit

Di bad tin dɛn we kin apin to pɔsin in wɛlbɔdi: TDI vapour de mek big big risk to mɔtalman wɛlbɔdi. I kin rili vɛks pan di yay, di skin, ɛn di say we dɛn de blo. If yu gɛt am fɔ lɔng tɛm ɔ yu kin gɛt am bak ɔltɛm, i kin mek yu gɛt siriɔs wɛlbɔdi prɔblɛm, lɛk aw yu kin gɛt prɔblɛm wit aw yu de blo lɛk brɔnkaytis, asma - lɛk simptom dɛm, ɛn insay sɔm kes dɛm, ivin mɔr siriɔs tin dɛm lɛk brɔnkiɛktasis ɛn pulmonari at sik. fכ egzampl, dεn sho se rat dεm we dεn εkspos to kכnsantreshכn we de insay di rεnj fכ (0.5 - 1)×10−6 fכ 6 awa insay di de, ova 5 - 10 dez, dεn sho se dεn kin sכkכm to di tכxik ifekt dεm. pan mכtalman, we yu inhal kכnsantreshכn we lכw lεk 0.0005mg/L i kin mek i kכf bad bad wan εn i kin mek i brith sכt.

Flammabiliti ɛn Risk fɔ Ɛksplɔshɔn: TDI na wata we kin bɔn, ɛn in vaypa kin mek miksɔp we kin bɔn wit briz. We dɛn put am na faya we opin, spak, ɔ ay ɔt, i kin gɛt bɔku prɔblɛm fɔ bɔn ɛn bɔn. So, i impɔtant fɔ mek dɛn ebul fɔ kip ɛn ol di tin dɛn fayn fayn wan fɔ mek dɛn nɔ gɛt dɛn kayn bad bad tin dɛn de.
Stɔrej ɛn Handling: Dɛn fɔ kip TDI na kol, wɛl - ventilated westɛm we de fa frɔm dairekt san layt, ɔt sɔs, ɛn ignin sɔs. Di kɔntena dɛn we dɛn kin kip tin dɛn fɔ sidɔm tayt wan fɔ mek di vapour nɔ lik. giv in riaktiviti wit wata εn כda tin dεm, i fכ stכr am separet frכm mεtirial dεm we kin pכtεnshal riak wit am, lεk כksidayzin ejen dεm. We dɛn de handle, dɛn fɔ wɛr di rayt tin fɔ protɛkt yusɛf, lɛk glɔv we nɔ gɛt kemikal, sef gɔgl, ɛn tin fɔ protɛkt yu we yu de blo fɔ mek yu nɔ gɛt bɔku prɔblɛm dɛn we yu go gɛt.

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