(r) -lactate leh cas 10326-41-7
D-lactic acid waa kiimiko.Qaabka molecular waa C3H6O3.D-lactic acid 90% waa isha sare ee indhaha (chiral) lactic acid ay soo saarto tignoolajiyada halsano noolaha iyadoo la isticmaalayo karbohaydraytyo la mid ah sonkorta sida alaabta ceeriin.Alaabta dhammaatay ee D-lactic acid waa dareere cad oo viscous ah oo aan midab lahayn ama huruud ah oo leh dhadhan dhanaan;waa hygroscopic, iyo xalka aqueous wuxuu muujinayaa falcelin acidic ah.Waxaa si xor ah loogu qasi karaa biyo, ethanol ama ether, waana mid aan lagu milmi karin chloroform.
| Shayga | Heerka |
| Muuqashada | dareere aan midab lahayn |
| Qiimee w% | AAN ka yarayn 95.0 oo aan ka badnayn 105.0 ee fiirsashada calaamadsan |
| Nadiifinta kiimikaad stereochemical % | ≥99.0 |
| Midabka APHA | ≤25 |
| Methanol w% | ≤0.2 |
| Birta (Fe) w% | ≤0.001 |
| Chloride (sida CI) w% | ≤0.001 |
| Sulfate (sida SO4) w% | ≤0.001 |
| Biraha culus (sida Pb) w% | ≤0.0005 |
| Cufnaanta (20 ℃) g/ml | 1.180-1.240 |
Inta badan waxaa loo isticmaalaa habaynta iyo soo saarista alaabta polylactic acid iyo isku dhafka daawooyinka chiral iyo dhexdhexaadiyeyaasha sunta cayayaanka.
Iskudhisyada Chiral
Aashitada lactic acid esters iyadoo la adeegsanayo D-lactic acid sida alaabta ceeriin ayaa si weyn loogu isticmaalaa soo saarista cadarka, dahaarka resin synthetic, koollada iyo khadadka daabacaadda, iyo sidoo kale nadiifinta dhuumaha batroolka iyo warshadaha elektiroonigga ah.Waxaa ka mid ah, D-methyl lactate si siman loogu qasi karaa biyaha iyo dareerayaasha kala duwan ee polar, waxay si buuxda u milmi kartaa nitrocellulose, cellulose acetate, cellulose acetobutyrate, iwm iyo polymers synthetic polar kala duwan, waxayna leedahay bar dhalaalaysa.Waa dareere aad u fiican oo leh barta karkarinta sare sababtoo ah faa'iidooyinka heerkulka sare iyo heerka uumiga oo gaabis ah.Waxaa loo isticmaali karaa qayb ka mid ah dareeraha isku dhafan si loo hagaajiyo karti-shaqsiyeedka iyo xalinta.Intaa waxaa dheer, waxaa sidoo kale loo isticmaali karaa sida alaabta ceeriin ee daawooyinka, sunta cayayaanka iyo horudhacyada loogu talagalay isku dhafka xeryahooda kale ee chiral., Dhexdhexaad.
wax la dumin karo
Lactic acid waa alaabta ceeriin ee bioplastic polylactic acid (PLA).Astaamaha jireed ee agabka PLA waxay ku xidhan yihiin halabuurka iyo waxa ay ka kooban yihiin D iyo L isomers.Race-mate D, L-polylactic acid (PDLLA) oo laga soo saaray jinsiyadda D, L-lactic acid waxay leedahay qaab-dhismeed amorphous ah, iyo sifooyinkeeda makaanikada waa liitaa, wakhtiga hoos u dhaca waa gaaban yahay, iyo hoos u dhaca ayaa ku dhaca jidhka, oo leh heerka hoos u dhaca 50%% ama ka badan, codsigu wuu xadidan yahay.Qaybaha silsiladda L-polylactic acid (PLLA) iyo D-polylactic acid (PDLA) ayaa si joogto ah loo habeeyaa, iyo crystallinity-kooda, xoogga farsamada iyo barta dhalaalka ayaa aad uga sarreeya kuwa PDLLA.
250kg/durbaan
(R)-Lactate
