DL-Lactide 95-96-5 utu hanga

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 whakarewa i roto i te chloroform, te waihano, te wairewa ki te wai. He ngawari ki te hydrolyze 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 uru 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.

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Wā tuku: Hune-13-2022