DL-LactideKo te mea anake i whakawhanakehia me te whakaputa, i muri i nga purenga e toru, te parakore teitei, te kounga teitei, me te utu pai.
Ko te wheketere hanga papatipu anake i Haina. Ka whakamanahia te kounga me te iti o te utu.
Lactidehe tawerewere marama kore tae, he karaihe ngira ranei, he 93-95 ℃ te ira whakarewa, he ngawari te wairewa i roto i te chloroform, te waiwaro, te wairewa ki te wai. He ngawari ki te hauwai me te polymerize.LactideKa taea te whakamahi hei hanga i te waikawa polylactic teitei hauora, te kaihoko esterification cyclic.
Mo te Whakatakotoranga oDL-Lactide:
Ingoa Hua:DL-Lactide
CAS: 95-96-5
MF: C6H8O4
MW: 144.13
EINECS: 202-468-3
Ira whakarewa: 116-119 °C
Ira kohua : 142 °C8 mm Hg(marama)
Kiato: 1.186±0.06 g/cm3(Whakaahua)
Fp: 180°C
Te pāmahana rokiroki: 2-8°C
Mo te tono oDL-Lactide
DL-Lactideka whakamahia ki te whakaputa 2-hydroxy-propionic acid 1-(1-phenyl-ethoxycarbonyl)-ethyl ester. Ka noho hei rauemi mata nui me te takawaenga e whakamahia ana i roto i te whakahiato waro, nga rongoa, nga matū ahuwhenua me nga waikano. Ka whai waahi ki te waipiro enzymatic ki te whakaputa i nga alkyl (R) -lactates me te alkyl (S,S) -lactyllactates.
DL-LactideHe maha nga wa ka whakamahia hei paparanga whakamarumaru i roto i nga paninga patunga, hei punga ranei, hei wiri, hei mata ranei i roto i te pokanga, i te mea ka heke i roto i te ono marama ki te waikawa lactic harakore.
Mena ka hiahia koe, kaua e ngaro, nau mai ki te whakapiri mai ki a maatau, ka tukuna atu e matou te utu pai i muri tonu mai i to patai.
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Wā tuku: Hune-13-2022