DL-Lactidesi gaar ah ayaa loo horumariyay oo la soo saaray, ka dib saddex nadiifin, daahir sare, tayo sare leh, iyo qiimaha ugu fiican.
Warshada kaliya ee wax soo saarka badan leh ee Shiinaha. Tayada waa la dammaanad qaaday qiimuhuna wuu hooseeyaa.
Lactidewaa dhalaal aan midab lahayn oo hufan ama kiristaalo irbad, barta dhalaalashadu waa 93-95 ℃, si fudud ugu milmi kara chloroform, ethanol, oo aan lagu milmi karin biyaha. Si fudud loo hydrolyzed iyo polymerize.Lactidewaxaa loo isticmaali karaa sida wax soo saarka ee polylactic acid sare caafimaad, wakiilka esterification wareeg ah.
Si gaar ahDL-Lactide:
Magaca Alaabta:DL-Lactide
CAS: 95-96-5
MF: C6H8O4
MW: 144.13
EINECS: 202-468-3
Meesha dhalaalka: 116-119 °C
Barta karkarinta: 142 °C8 mm Hg (iftiin)
Cufnaanta: 1.186± 0.06 g/cm3 (La saadaaliyay)
Fp: 180°C
Heerkulka kaydinta: 2-8°C
CodsigaDL-Lactide
DL-Lactidewaxaa loo isticmaalaa in lagu soo saaro 2-hydroxy-propionic acid 1- (1-phenyl-ethoxycarbonyl) -ethyl ester. Waxay u shaqeysaa sida walxo ceeriin ah oo muhiim ah iyo dhexdhexaad ah oo loo isticmaalo isku-dhafka organic, daawooyinka, agrochemicals iyo dheeha. Waxay ku lug leedahay khamriga enzymatic si ay u soo saarto alkyl (R) -lactates iyo alkyl (S, S) -lactyllactates.
DL-Lactidewaxaa inta badan loo isticmaalaa sida lakabka ilaalinta ee daaha nabarrada, ama sida barroosinno, boolal ama mesh qalliinka, tan iyo markii ay hoos u dhacay muddo lix bilood ah ilaa lactic acid aan waxyeello lahayn.
Haddii aad u baahan tahay, fadlan ha moogaanin, ku soo dhawow inaad nala soo xidhiidho, waxaanu kuu soo diri doonaa qiimaha ugu fiican isla markiiba ka dib markaad hesho su'aashaada.
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Waqtiga boostada: Juun-13-2022