Polyethylene Glycol/PEG/CAS:25322-68-3
Takaitaccen Bayani:
Sunan Samfura: Polyethylene Glycol
CAS:25322-68-2
MF:(C2H4O)nH2O
MW:0
TSARI:
Bayani:
Polyethylene glycols dangin polymers ne masu layi waɗanda aka samar ta hanyar amsawar condensation mai tushe tare da maimaita raka'o'in ethylene oxide da aka ƙara zuwa ethylene. Tsarin kwayoyin halitta shine (C2H4O)multH2O inda mult yana nuna matsakaicin adadin ƙungiyoyin oxyethylene. Nauyin kwayoyin halitta zai iya kasancewa daga 200 zuwa miliyan da yawa daidai da adadin ƙungiyoyin oxyethylene. Ana kuma kiran kayan da ke da nauyin kwayoyin halitta mafi girma (100 000 zuwa 5 000 000) polyethylene oxides. Matsakaicin nauyin kwayoyin halitta na kowane takamaiman samfurin polyethylene glycol yana cikin iyakoki masu kunkuntar (°5%). Adadin raka'o'in ethylene oxide ko kimanin nauyin kwayoyin halitta (misali, PEG-4 ko PEG-200) yawanci yana nuna sunan takamaiman polyethylene glycols. Polyethylene glycols masu nauyin amolecular ƙasa da 600 ruwa ne, yayin da waɗanda ke da nauyin kwayoyin halitta 1000 zuwa sama suna da ƙarfi. Waɗannan kayan ba sa canzawa, suna narkewa cikin ruwa, ba su da ɗanɗano, kuma ba su da ƙamshi. Ana iya haɗa su da ruwa, barasa, esters, ketones, abubuwan narkewa masu ƙamshi, da hydrocarbons masu chlorine, amma ana iya haɗa su da alkanes, paraffins, waxes, da ethers.
Ƙayyadewa
| Abu | Ƙayyadewa |
| Wurin narkewa | 64-66 °C |
| Wurin tafasa | >250°C |
| Yawan yawa | 1.27 g/mL a 25 °C |
| Yawan yawa | 400-500kg/m3 |
| Yawan tururi | >1 (idan aka kwatanta da iska) |
| Matsi na tururi | <0.01 mm Hg (20 °C) |
| Ma'aunin haske | n20/D 1.469 |
| Zafin ajiya. | 2-8°C |
Amfani
Polyethylene Glycol wani abu ne mai ɗaurewa, mai rufewa, mai warwatsewa, mai ƙara dandano, da kuma mai hana plasticization wanda ruwa ne mai haske, mara launi, mai kauri, mai kama da paraffin (fari, kakin zuma, ko flakes), tare da ph na 4.0–7.5 a cikin 1:20. Yana narkewa cikin ruwa (mw 1,000) da kuma sauran sinadarai masu narkewa na halitta da yawa.
Polyethylene glycol (PEG) wani abu ne mai ɗaurewa, mai narkewa, mai sanya filastik, kuma mai laushi wanda ake amfani da shi sosai don yin amfani da tushe na kirim mai kyau da man shafawa na magunguna. Fegi suna da laushi sosai har zuwa nauyin kwayoyin halitta na 500. Bayan wannan nauyin, shan ruwansu yana raguwa.
An yi amfani da shi tare da carbon black don samar da wani abu mai sarrafa kansa.1 An yi amfani da polyspheres na poly(ethylene glycol) don isar da magani.
Kwayoyin Poly(ethylene Glycol) kimanin monomers 2000. Ana amfani da Poly(ethylene Glycol) a aikace-aikace daban-daban, tun daga sinadarai na masana'antu zuwa sinadarai na halittu. Binciken da aka yi kwanan nan ya nuna cewa PEG yana da ikon taimakawa wajen dawo da raunin kashin baya, yana taimakawa wajen tafiyar da motsin jijiya a cikin dabbobi. A cikin beraye, an nuna cewa yana taimakawa wajen gyara axons na sciatic da aka yanke, yana taimakawa wajen dawo da lalacewar jijiya. Ana samar da shi a masana'antu a matsayin abu mai shafawa ga wurare daban-daban don rage gogayya. Ana kuma amfani da PEG wajen shirya tsarin jigilar vesicle tare da amfani da shi wajen hanyoyin bincike ko hanyoyin isar da magunguna.
Marufi da Jigilar Kaya
200KG/Drum ko kuma kamar yadda ake buƙata daga abokin ciniki.
Ya kasance na kayan yau da kullun kuma yana iya isar da kaya ta teku da iska
Ajiyewa da adanawa
Rayuwar shiryayye: Watanni 24 daga ranar ƙera shi a cikin marufi na asali wanda ba a buɗe ba, an adana shi a wuri mai sanyi da bushewa, ba tare da hasken rana kai tsaye ba, ko ruwa.
Ma'ajiyar iska, Busar da ƙananan zafin jiki, An raba shi da sinadarai masu guba, acid.
