(r) - lactate tare da cas 10326-41-7
D-lactic acid sinadari ne. Tsarin kwayoyin halitta shine C3H6O3. D-lactic acid 90% babban kayan gani ne (chiral) lactic acid wanda aka samar ta hanyar fasahar fermentation na halitta ta amfani da carbohydrates kama da sukari azaman kayan albarkatun kasa. Samfurin da aka gama na D-lactic acid shine ruwa mara launi ko haske rawaya bayyanannen ruwa mai ɗanɗano mai ɗanɗano; Yana da hygroscopic, kuma maganin ruwa yana nuna alamar acidic. Ana iya haɗe shi da ruwa, ethanol ko ether, kuma ba shi da narkewa a cikin chloroform.
| Abu | Daidaitawa |
| Bayyanar | ruwa mara launi |
| Tambayi w% | BA ƙasa da 95.0 ba kuma bai wuce 105.0 na ƙididdiga masu alama ba |
| Tsaftar sitiriyo % | ≥99.0 |
| Launi APHA | ≤25 |
| Methanol w% | ≤0.2 |
| Iron (Fe) w% | ≤0.001 |
| Chloride (as CI) w% | ≤0.001 |
| Sulfate (kamar SO4) w% | ≤0.001 |
| Karfe masu nauyi (kamar Pb) w% | ≤0.0005 |
| Yawan yawa (20 ℃) g/ml | 1.180-1.240 |
An fi amfani dashi a cikin sarrafawa da kera kayan polylactic acid da haɗin magungunan chiral da tsaka-tsakin magungunan kashe qwari.
Chiral mahadi
Lactic acid esters da ke amfani da D-lactic acid azaman kayan albarkatun ƙasa ana amfani da su sosai wajen samar da turare, kayan aikin resin roba, adhesives da tawada bugu, haka kuma a cikin tsabtace bututun mai da masana'antar lantarki. Daga cikin su, D-methyl lactate za a iya a ko'ina gauraye da ruwa da daban-daban iyakacin duniya kaushi, iya cikakken narkar da nitrocellulose, cellulose acetate, cellulose acetobutyrate, da dai sauransu da daban-daban iyakacin duniya roba polymers, kuma yana da wani narkewa batu. Yana da kyakkyawan ƙarfi tare da babban wurin tafasa saboda fa'idodinsa na babban zafin jiki da jinkirin ƙimar ƙawantaccen ruwa. Ana iya amfani da shi azaman ɓangaren haɗaɗɗen kaushi don haɓaka aiki da solubilization. Bugu da ƙari, ana iya amfani da shi azaman albarkatun ƙasa don magunguna, magungunan kashe qwari da abubuwan da suka faru don haɗar sauran mahadi na chiral. , Matsakaici.
m abu
Lactic acid shine albarkatun kasa don bioplastic polylactic acid (PLA). Abubuwan da ke cikin jiki na kayan PLA sun dogara da abun ciki da abun ciki na D da L isomers. Racemate D, L-polylactic acid (PDLLA) da aka haɗe daga tseren D, L-lactic acid yana da tsarin amorphous, kuma kayan aikin injiniyansa ba su da kyau, lokacin lalata yana da ɗan gajeren lokaci, kuma raguwa yana faruwa a cikin jiki, tare da raguwar raguwar adadin kuzari. 50%. % ko fiye, aikace-aikacen yana iyakance. Sassan sarkar L-polylactic acid (PLLA) da D-polylactic acid (PDLA) ana shirya su akai-akai, kuma crystallinity, ƙarfin injina da wurin narkewa sun fi na PDLLA girma.
250kg/drum
(R) - Lactate
