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公开(公告)号：KR1020130099623A
公开(公告)日：2013-09-06
申请号：KR1020120021266
申请日：2012-02-29
Applicant: 현대자동차주식회사 , 서울대학교산학협력단
IPC: C07D319/12 , B01J31/02
Abstract: PURPOSE: A method for preparing lactide from lactic acid is provided to obtain high purity lactide with high yield, thereby lowering cost for producing polylactic acid. CONSTITUTION: A method for preparing lactide comprises the steps of: performing catalytic reaction of a lactic acid solution with water under the presence of a first organic solvent; performing phase separation of the product and forming a mixture of a second organic solvent and water; and extracting and evaporating the isolated organic part to obtain lactide. The lactic acid solution contains 10-98 % lactic acid. [Reference numerals] (AA) Lactic acid solution; (BB) Mixing lactic acid solution with xylene; (CC) Catalyst reacting with the mixture of lactic acid solution and xylene (reaction temperature: around 130°C); (DD) Mixing the reactant of the previous step, ethyl acetate and water; (EE) Separating organic phase part after extracting reaction and evaporating; (FF) Collecting solid phased lactide
Abstract translation: 目的：提供从乳酸制备丙交酯的方法，以高产率获得高纯度丙交酯，从而降低生产聚乳酸的成本。 构成：制备丙交酯的方法包括以下步骤：在第一有机溶剂的存在下进行乳酸溶液与水的催化反应; 进行产物的相分离并形成第二有机溶剂和水的混合物; 并萃取并蒸发分离的有机部分以获得丙交酯。 乳酸溶液含有10-98％的乳酸。 （AA）乳酸溶液; （BB）将乳酸与二甲苯混合; （CC）催化剂与乳酸和二甲苯的混合物反应（反应温度：约130℃）; （DD）混合前一步骤的反应物，乙酸乙酯和水; （EE）萃取反应并蒸发后分离有机相部分; （FF）收集固相化丙交酯
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公开(公告)号：KR101886434B1
公开(公告)日：2018-08-07
申请号：KR1020120021266
申请日：2012-02-29
Applicant: 현대자동차주식회사 , 서울대학교산학협력단
IPC: C07D319/12 , B01J31/02
Abstract: 본발명은발효공정을통하여제조되는유산단량체로부터고수율로락타이드를제조하는방법에관한것으로서, 더욱상세하게는유산을특정용매로처리하고촉매를가하여반응시킨다음상분리하여락타이드를제조함으로서고순도이면서도고수율로락타이드를제조할수 있어서폴리유산의원가를대폭낮출수 있는개선된락타이드의제조방법에관한것이다.
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公开(公告)号：KR1020150070861A
公开(公告)日：2015-06-25
申请号：KR1020130157533
申请日：2013-12-17
Applicant: 삼성전자주식회사 , 서울대학교산학협력단
IPC: H01M4/62 , H01M4/13 , H01M4/38 , H01M4/583 , H01M10/052
CPC classification number: H01M4/622 , H01M4/133 , H01M4/134 , H01M4/386 , H01M4/587 , H01M10/0525 , Y02E60/122
Abstract: 페난트렌퀴논반복단위및 페난트렌반복단위중 적어도하나를포함하는리튬전지용고분자바인더, 상기고분자바인더를포함하는리튬전지용전극및 이를구비한리튬전지가제공된다. 상기전도성고분자바인더를전극제조시이용하면리튬전지의고율특성과수명특성을향상시킬수 있다.
Abstract translation: 本发明提供一种用于锂电池的聚合物粘合剂，其包括菲醌重复单元或菲重复单元，包含聚合物粘合剂的锂电池用电极和具有该电极的锂电池。 当使用导电性聚合物粘合剂形成电极时，可以提高锂电池的高容量和寿命。
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公开(公告)号：KR102216539B1
公开(公告)日：2021-02-17
申请号：KR1020130157533
申请日：2013-12-17
Applicant: 삼성전자주식회사 , 서울대학교산학협력단
Abstract: 페난트렌퀴논반복단위및 페난트렌반복단위중 적어도하나를포함하는리튬전지용고분자바인더, 상기고분자바인더를포함하는리튬전지용전극및 이를구비한리튬전지가제공된다. 상기전도성고분자바인더를전극제조시이용하면리튬전지의고율특성과수명특성을향상시킬수 있다.
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