DL-Lactide 95-96-5 kumu kūʻai hana

DL-Lactidehoʻomohala wale ʻia a hana ʻia, ma hope o ʻekolu hoʻomaʻemaʻe, kiʻekiʻe maʻemaʻe, kiʻekiʻe kiʻekiʻe, a me ke kumu kūʻai maikaʻi loa.

ʻO ka hale hana nui wale nō ma Kina. Paʻa ka maikaʻi a haʻahaʻa ke kumukūʻai.

LactideʻO ka flake ʻaʻohe kala a i ʻole ke aniani nila, ʻo ka helu heheʻe he 93-95 ℃, hiki ke hoʻoheheʻe ʻia i ka chloroform, ethanol, hiki ʻole ke hoʻoheheʻe ʻia i ka wai. Maʻalahi e hydrolyze a polymerize.Lactidehiki ke hoʻohana ʻia e like me ka hana ʻana i ka waika polylactic kiʻekiʻe, cyclic esterification agent.

No ka hoakaka ana oDL-Lactide:

inoa huahana:DL-Lactide

CAS: 95-96-5

MF: C6H8O4

MW: 144.13

EINECS: 202-468-3

Ka helu hehee: 116-119 °C

Ka helu hoʻolapalapa : 142 °C8 mm Hg(kukui.)

Māmā: 1.186±0.06 g/cm3 (Wānana ʻia)

Fp: 180°C

Ka mahana mālama: 2-8°C

No ka noi oDL-Lactide

DL-Lactidehoʻohana ʻia e hana i ka 2-hydroxy-propionic acid 1-(1-phenyl-ethoxycarbonyl)-ethyl ester. Hana ia ma ke ʻano he kumu waiwai koʻikoʻi a me ka waena waena i hoʻohana ʻia i ka synthesis organik, nā lāʻau lapaʻau, agrochemical a me nā dyes. Hoʻopili ʻia ia i ka alcoholysis enzymatic e hana i nā alkyl (R) -lactates a me alkyl (S,S) -lactyllactates.

DL-LactideHoʻohana pinepine ʻia ʻo ia ma ke ʻano he pale pale i nā uhi ʻeha, a i ʻole nā ​​heleuma, nā ʻili a i ʻole nāʻuo i ka ʻoki ʻana, no ka mea, hoʻohaʻahaʻa ʻia i loko o ʻeono mahina i ka waika lactic innocuous.

pūʻolo-pauka

 

Inā makemake ʻoe, mai haʻalele ʻoe, e hoʻokipa mai iā mākou, e hoʻouna mākou iā ʻoe i ke kumukūʻai maikaʻi loa ma hope koke o ka loaʻa ʻana o kāu nīnau.

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Ka manawa hoʻouna: Iune-13-2022