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・ Lacu Negru River
・ Lacu Sărat
・ Lacub, Abra
・ Lacui Formation
・ Lacul Lebedelor
・ Lacul Morii
・ Lacul Roșia River
・ Lacul Vulturilor
・ Laculataria
・ Laculataria nigroapicata
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Lactic acid O-carboxyanhydride
・ Lactic acidosis
・ Lactide
・ Lactiferous duct
・ Lactifluus
・ Lactifluus aureifolius
・ Lactifluus clarkeae
・ Lactifluus corrugis
・ Lactifluus deceptivus
・ Lactifluus densifolius
・ Lactifluus edulis
・ Lactifluus heimii
・ Lactifluus hygrophoroides
・ Lactifluus piperatus
・ Lactifluus vellereus


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Lactic acid O-carboxyanhydride : ウィキペディア英語版
Lactic acid O-carboxyanhydride

Lactic acid ''O''-carboxyanhydride (lac-OCA) is an organic compound. It is used as a monomer equivalent to lactic acid or lactide in the preparation of poly(lactic acid). When this monomer undergoes ring-opening polymerization, one equivalent of carbon dioxide gas is released for every lactic acid unit incorporated into the polymer:
:450px
This compound is prepared by treatment of lactic acid or its salts with phosgene or one of its equivalents, e.g. diphosgene.〔
==References==


抄文引用元・出典: フリー百科事典『 ウィキペディア(Wikipedia)
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