Global - Premier Propylene Glycol: Di Mɔltifɔnshɔnal Ɔrganik Kɔmpawnd

Fizik ɛn Kwɛmyuɛl Prɔpati dɛn

Aw i tan ɛn aw i de smɛl: Propylene glycol de apin as likwid we nɔ gɛt kɔlɔ, we de transparent, ɛn we gɛt viskɔs. I gɛt smɔl swit teist ɛn i nɔ de smɛl, we de mek i fayn fɔ aplikeshɔn usay dɛn nid nyutral sɛns prɔfayl.

Solubiliti: 1 . I de sho fayn fayn miks, i ebul fɔ miks kɔmplit wan wit wata, ɛtɛnol, ɛta, asɛtɔn, klorofɔm, ɛn bɔku ɔda ɔrganik sɔlvɛnt dɛn. dis prכpati de alaw am fכ fכnshכn lεk ifektiv sכlvεnt εn emulsifier insay difrεn fכmyuleshכn dεm.

Ki Fyzikal Kɔnstant dɛn: wit molar mas we na 76.09 g/mol, propylene glycol gεt dεnsiti we de lεk 1.036 g/cm3 na 25°C, we de sכmtεm pas wata. di mεlt pכynt we i de mεlt na - 59°C, we de mek i ebul fכ de insay likwid stet akrays wan brayt tεmprachכ rεnj. Di bɔyl pɔynt tinap na 188.2°C ɔnda standad prɛshɔn, we de sho se i stebul na nɔmal ɛnvayrɔmɛnt tɛmpracha. di flash poynt rili ay, arawnd 99°C (klos - kכp), we de ridyus di risk fכ aksidεnt ignishכn.

Kεmikכl Riaktiviti: as diol, propylene glycol kin tek pat pan difrεn kεmikכl riakshכn dεm we tipik fכ alkol grup dεm. i kin fכm εsta we i riak wit kכbכksilik asid, we rili implεnt fכ di sεntesis fכ plεnti industri εn kכnsכm prodak dεm. apat frכm dat, i kin כnda dihaydrayshכn riakshכn dεm כnda spεsifi k kכndishכn dεm, we de mek i fכmeshכn כf intamכlikul saykli εta כ intamכlikul polimכr dεm.

Di say dɛn we yu fɔ yuz am

Fɔd ɛn Drink Indastri: Propylene glycol de sav mכltipכl fכnshכn dεm na dis sεktri. i de wok lεk humectant, i de εp fכ kip mכsichכ insay it prodak dεm lεk bεk guds, kכnfεkshכn, εn dairy tin dεm, we de mek dεn shelf - layf εn mεnten tεkschur. As sɔlvɛnt, dɛn kin yuz am fɔ sɔlv di flawa dɛn, di kɔlɔ dɛn, ɛn di tin dɛn we dɛn kin yuz fɔ mek tin nɔ pwɛl, ɛn dis kin mek shɔ se dɛn sheb am di sem we insay di fɔmyulashɔn dɛn fɔ it ɛn drink. Fɔ ɛgzampul, dɛn kin si am na likwid flawa fɔ sɔft drink ɛn as i de kɛr ɛssential ɔyl dɛn we de insay it prodakt dɛn. Dɛn dɔn gri fɔ am bak fɔ ad tin fɔ it (E1520) na di Yuropian Yuniɔn, ɛn di US Food and Drug Administration (FDA) kin gri se i sef (GRAS) we dɛn yuz am insay di limit dɛn we dɛn dɔn tɔk bɔt.

Famasiutik Indastri: Insay famasitik, prɔpaylin glykol de ple impɔtant pat. Dɛn kin yuz am bɔku bɔku wan as sɔlvɛnt fɔ drɔgs we nɔ kin izi fɔ sɔlv insay wata, we kin mek i izi fɔ mek dɛn bi mɛrɛsin dɛn we dɛn kin tek bay mɔt, we dɛn kin injɛkt, ɛn we dɛn kin put pan pɔsin. Fɔ ɛgzampul, insay bɔku likwid mɛrɛsin dɛn we dɛn kin tek bay mɔt, prɔpaylɛn glycol kin ɛp fɔ sɔlv di aktif famasi ingridiɛnt dɛn, we kin mek shɔ se dɛn gi di mɛrɛsin kɔrɛkt wan. Insay fɔmyulashɔn dɛn we dɛn kin put pan pɔsin lɛk krim ɛn ɔntmɛnt, i kin wok lɛk humectant ɛn penetration enhancer, we kin mek di skin absɔp di drɔgs dɛn fayn fayn wan. I gɛt sɔm antibacterial ɛn antifungal prɔpati dɛm bak, we de ɛp fɔ kip di famasi prodak dɛm.

Kɔsmɛtik ɛn Pɔsin in Keya: Propylene glycol na wan men tin we dɛn kin yuz fɔ mek bɔku bɔku kɔsmɛtik ɛn tin dɛn fɔ kia fɔ yusɛf. Insay di tin dɛn we dɛn kin yuz fɔ kia fɔ di skin lɛk mɔstizayza, sɛrum, ɛn klinsin, i kin wok lɛk tin we de mek di bɔdi gɛt wata, i kin pul di wata we de kɔmɔt na di briz ɛn tay am to di skin, ɛn dis kin mek di skin gɛt wata. I sɔlvɛnt prɔpati dɛn de mek i ebul fɔ sɔlv difrɛn aktiv ingridiɛnt ɛn sɛnt dɛn, we de mek shɔ se dɛn ivin sheb insay prɔdak dɛn. Dɛn kin yuz am bak fɔ mek di tin dɛn we dɛn kin yuz fɔ kia fɔ yu ia lɛk shampoo ɛn kondishɔn fɔ mek dɛn tekschɔ bɛtɛ ɛn ɛp fɔ mek dɛn go gi fayn fayn tin dɛn to di ia shaft. Insay nel polish, prɔpaylin glykol de wok lɛk plastizayza, we de mek di polish nɔ brok ɛn chip izi wan.

Indastrial Aplikeshɔn dɛn: Propylene glycol na imכtant kכmכpכnt fכ prodyuz difrεn industrial mεtirial dεm. Na wan ki raw matirial fɔ di sɛntesis fɔ ɔnsatyuret polyɛsta rɛsin, we dɛn kin yuz bɔku bɔku wan fɔ mek fayv glas - riinfɔs plastic. Dɛn plastic ya kin fɛn aplikeshɔn na industri dɛm lɛk ɔtomotiv, kɔnstrɔkshɔn, ɛn marin, bikɔs ɔf dɛn ay trɛnk - to - wet rɛsɛshɔn ɛn kɔrɛshɔn rɛsistɛns. Insay di ɔtomotiv industri, dɛn kin yuz prɔpaylin glycol - bays antifriz ɛn kulant fɔmyulashɔn fɔ rigul di tɛmpracha na di injin dɛn, we kin mek dɛn nɔ ɔva ɔt ɛn friz. I de wok bak as sɔlvɛnt ɛn kɛria insay kɔtin, ink, ɛn adeziv, we de ɛp fɔ mek dɛn wok fayn ɛn fɔ mek dɛn ebul fɔ yuz dɛn.

Di We Dɛn fɔ Pripia

Epoksi Propan Haydrolaysis: 1.1. Dis na wan pan di we dɛn we dɛn kin yuz mɔ na di industri. insay dis prכsεs, εpoksi prכpan (propylene oksayd) de riak wit wata we wan katalis de. di riakshכn kin apin כnda difrεn kכndishכn dεm. insay di dayrekt wata - haydreshכn mεtכd, dεn de yuz hεy tεmprachכ (arawnd 150 - 200°C) εn prεshכn (0.98 - 2.94 MPa), wit wata - to - εpoksi prכpan molar rεshכ tipikכl arawnd 20. pan כl we di kכnvכshכn rεt fכ εpoksi prכpan to prכpilin glykol kin rich bכt 85%, sכm polypropylene glycol bay - prodakt dεm dεn de jεnarεt bak. כda we na di asid - katalis haydrolis, usay dεn ad sכm asid katalis (lεk sכlfyurik asid). di riakshכn de kכriכnt pan wan rεlatεvli lכw tεmprachכ (50 - 70°C), εn di prodakt we kכmכt nid fכ nyutralayz εn purify tru prכsεs lεk vεkyum distileshכn fכ gεt hכy - puriti prכpilin glykol.

Glycerol Katalytik Haydrojenolaysis: Yu kin yuz glisrɔl as raw matirial fɔ mek prɔpylin glykol. insay dis mεtכd, glisεrol fכs de כnda protonεshכn fכ in haydroksil grup dεm, we de fכlכ intramכlikul dεhaydrayshכn fכ fכm intamεdiεt prodakt dεm lεk inכl dεm εn kεto - aldehayd tכtomεr dεm. afta dat dεn intamεdiεt prodakt dεm ya de כnda haydrojeneshכn insay di prεsεns fכ wan katalis (lεk kכpa - bεys katalis), we kin te fכ gi 1,2 - prכpilin glykol. Dis we ya gɛt di bɛnifit fɔ yuz rinuɔbal fidstɔk (glycerol), we dɛn kin gɛt frɔm sɔs lɛk bayɔdizil prodakshɔn.

Bayoteknɔlɔjik Mɛtɔd dɛn: sכm maykro כganism dεm lεk sכm kayn baktri dεm εn yist, dεn kin εnjinia fכ prodyuz prכpilin glykol tru fεmεntεshכn prכsεs. fכ egzampl, bay we dεn de mכdify di jεnεtik Escherichia coli כ Klebsiella pneumoniae, dεn kin mek dεn kכnvכlt shuga dεm (lεk glukכs) כ glycerol to propylene glycol. Dis bayɔteknɔlɔjik we fɔ du tin na tin we nɔ de ambɔg di envayrɔmɛnt we yu kɔmpia am wit di tradishɔnal kemikal we dɛn de yuz, bikɔs i de wok ɔnda milda kɔndishɔn ɛn i kin yuz rinuɔbal kabon sɔs. Bɔt di prodaktiviti ɛn di kɔst - ɛfɛktiv we dɛn we ya de du stil na eria dɛn we dɛn de du aktif risach ɛn impɔtant.

Di tin dɛn we wi fɔ tek tɛm wit

Tin dɛn we yu fɔ tink bɔt fɔ wɛlbɔdi biznɛs: Pan ɔl we dɛn kin tek propylene glycol sef fɔ yuz insay it, famasitik, ɛn kɔsmɛtik insay di limit we dɛn dɔn gri fɔ, if yu gɛt ay levul ɔ it am, i kin gɛt bad bad wɛlbɔdi ifɛkt. If yu it bɔku tin, yu kin gɛt sɔm sayn dɛn lɛk fɔ nɔs, vɔmit, ɛn dayarɛa. If i siriɔs, i kin mek di bɔdi gɛt mɛtabolik asid, we na wan sik we di bɔdi kin gɛda tumɔs asid. di skin we yu kin tɔch wit kɔnsɛntret prɔpylin glycol kin mek sɔm pipul dɛn vɛks, mɔ di wan dɛn we gɛt sɛnsitiv skin. Dɛn fɔ avɔyd fɔ de na di skin fɔ lɔng tɛm ɔ fɔ ripit am. we dεn yuz am na industrial sεtin, i nid fכ mek di vεntilashכn fayn fכ mek i nכ inhal di propylene glycol vapour dεm, biכs if yu inhal di hכy lεvεl i kin mek i nכ fil fayn.

Faya ɛn Ɛksplɔshɔn Denja: Propylene glycol kin bɔn, pan ɔl we i gɛt rili ay flash pɔynt. I vapour kin mek eksplɔziv miksɔp wit ɛya ɔnda sɔm kɔndishɔn dɛn. Di say dɛn we dɛn kin kip ɛn ol tin dɛn fɔ de fa frɔm faya we opin, spak, ɛn ɔda say dɛn we faya kin bɔn. Faya - resistant stɔrɔj ​​kɔntena ɛn di rayt faya - sɔpreshɔn ikwipmɛnt fɔ de na say dɛn we dɛn de kip ɔ yuz prɔpaylɛn glycol.
Impekt pan di envayrɔmɛnt: Pan ɔl we propylene glycol na biodegradable, big - skel rilis insay di envayrɔmɛnt, mɔ insay wata bɔdi, kin stil gɛt impak. Insay wata sistɛm, i kin it ɔksijɛn as i de rɔtin, we kin afɛkt di layf we de na di wata. So, dɛn fɔ de du di rayt we fɔ manej di dɔti ɛn fɔ mek dɛn nɔ yuz di dɔti fɔ mek dɛn nɔ rilis di prɔpaylɛn glycol insay di envayrɔmɛnt we dɛn nɔ ebul fɔ kɔntrol.

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