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2024-04-28 09:14:14
PLA jẹ ọkan ninu awọn ọja ṣiṣu ibajẹ akọkọ. Polylactic acid jẹ polymerized lati lactic acid gẹgẹbi ohun elo aise akọkọ. Lọwọlọwọ, o jẹ ogbo julọ, ti o tobi julọ ati pilasitik biodegradable ti a lo julọ ni agbaye.
Awọn ọna meji lo wa fun iṣelọpọ PLA, eyun polymerization-ìmọ lactide oruka ati polycondensation taara, eyiti lactide oruka-ṣii polymerization jẹ lilo pupọ. Ni polymerization ṣiṣii oruka lactide, iṣelọpọ ati isọdọtun ti lactide agbedemeji jẹ imọ-ẹrọ mojuto ati iṣoro ninu ilana naa. Awọn ipo ifaseyin jẹ lile, ilana naa jẹ eka, awọn ibeere imọ-ẹrọ jẹ giga, ati idiyele iṣelọpọ ga.
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