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公开(公告)号：KR1020140071005A
公开(公告)日：2014-06-11
申请号：KR1020120138811
申请日：2012-12-03
Applicant: 현대자동차주식회사
IPC: C07D319/12 , C08G63/08 , B01J23/06
Abstract: The present invention relates to a method and an apparatus for converting to lactide and, more specifically, to a method and an apparatus for converting lactide in a fed-batch manner to improve the conversion efficiency of lactic acid into lactide during a synthesizing process of polylactic acid which is applicable to vehicle interior materials, building materials, and the likes. The method of the present invention comprises the steps of a first step of polymerizing the lactic acid to oligomer polylactic acid; a second step of depolymerizing the oligomer polylactic acid formed by the polymerization, to convert the oligomer polylactic acid into lactide; and a third step of collecting the converted lactide, wherein the first step and the second step are performed by using separate reactors.
Abstract translation: 本发明涉及一种转化成丙交酯的方法和装置，更具体地说，涉及一种以分批式的方式转化丙交酯的方法和装置，以在聚乳酸的合成过程中提高乳酸转化为丙交酯的转化率 适用于车辆内部材料，建筑材料等的酸。 本发明的方法包括将乳酸聚合成低聚物聚乳酸的第一步骤; 将通过聚合形成的低聚物聚乳酸解聚的第二步骤，将低聚物聚乳酸转化为丙交酯; 和收集转化的丙交酯的第三步骤，其中第一步骤和第二步骤通过使用单独的反应器进行。
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公开(公告)号：KR1020130113262A
公开(公告)日：2013-10-15
申请号：KR1020120035702
申请日：2012-04-05
Applicant: 현대자동차주식회사
Abstract: PURPOSE: An apparatus and a method for cheaply preparing lactic acid are provided to improve fermentation efficiency and to largely reduce time and costs for isolating lactic acid from a fermented liquid. CONSTITUTION: An apparatus for preparing lactic acid comprises: a fermentation tank (10) for fermenting lactic acid using bacteria; a film (16) which receives a fermented liquid (14) and removes the bacteria; and a lactic acid adsorption resin (17) which receives the filtered liquid and selectively adsorbs lactic acid. A method for preparing lactic acid comprises the steps of: mixing a culture medium, bacteria, and sugar in the fermentation tank and fermenting the mixture; filtering the fermented liquid using the film and removing the bacteria; and selectively adsorbing and separating lactic acid by the lactic acid adsorption resin. [Reference numerals] (AA) CFF filtering method
Abstract translation: 目的：提供廉价制备乳酸的设备和方法，以提高发酵效率，并大大减少从发酵液体中分离乳酸的时间和成本。 构成：用于制备乳酸的装置包括：使用细菌发酵乳酸的发酵罐（10） 接收发酵液体（14）并除去细菌的膜（16） 和接收过滤液体并选择性吸附乳酸的乳酸吸附树脂（17）。 制备乳酸的方法包括以下步骤：将发酵罐中的培养基，细菌和糖混合并发酵混合物; 使用薄膜过滤发酵液体并除去细菌; 并通过乳酸吸附树脂选择性吸附和分离乳酸。 （参考号）（AA）CFF过滤法
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公开(公告)号：KR1020130112462A
公开(公告)日：2013-10-14
申请号：KR1020120034860
申请日：2012-04-04
Applicant: 현대자동차주식회사
IPC: C07D319/12 , B01J23/10
CPC classification number: C07D319/12
Abstract: PURPOSE: A method for producing lactide form lactate is provided to obtain high purity lactide with high yield by treating lactate with a specific solvent, adding a catalyst, and phase separation, thereby largely lowering costs of polylactide acid. CONSTITUTION: A method for producing lactide comprises the steps of: converting a lactate solution into lactide under the presence of a first organic solvent which enables azeotropic distillation with water; performing phase separation of the converted product into a second organic solvent and a water mixture; and extracting an isolated organic phase and evaporating the solvents. [Reference numerals] (AA) Lactate solution; (BB) Mix the lactate solution and xylene; (CC) Catalysis of lactate solution and xylene compound; (DD) Mix reactant of the previous step, ethyl acetate and water; (EE) Phase separation after extract reaction and evaporation; (FF) Collect solid phase lactide
Abstract translation: 目的：提供一种生产丙交酯乳酸盐的方法，通过用特定溶剂处理乳酸盐，加入催化剂和相分离，从而大大降低聚丙交酯酸的成本，以高产率获得高纯度丙交酯。 构成：生产丙交酯的方法包括以下步骤：在与水共沸蒸馏的第一有机溶剂的存在下将乳酸盐溶液转化为丙交酯; 将转化产物相分离成第二有机溶剂和水混合物; 并萃取分离的有机相并蒸发溶剂。 （AA）乳酸盐溶液; （BB）混合乳酸溶液和二甲苯; （CC）乳酸溶液和二甲苯化合物的催化; （DD）混合前一步反应物，乙酸乙酯和水; （EE）提取反应和蒸发后的相分离; （FF）收集固相丙交酯
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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：KR1020170014634A
公开(公告)日：2017-02-08
申请号：KR1020150108329
申请日：2015-07-30
Applicant: 현대자동차주식회사
IPC: C09D5/18 , C09D7/12 , C09D183/04 , C09D201/00
CPC classification number: C09K5/10 , C08G2650/58 , C08K7/22 , C08K7/26 , C08L71/02 , C09D1/04 , C09D5/00 , C09D7/20 , C09D7/61 , C09D7/65 , C09D171/02 , F02B77/11
Abstract: 본발명은, 탄소수 1 내지 5의알킬렌옥사이드반복단위를포함한중합체; 에어로겔; 및수용성바인더;를포함하는단열코팅조성물및 이로부터얻어지는단열코팅층에관한것이다.
Abstract translation: 绝热涂料组合物包括具有C1-5环氧烷重复单元，气凝胶和水溶性粘合剂的聚合物。
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Patent Agency Ranking
公开(公告)号：KR101684527B1
公开(公告)日：2016-12-08
申请号：KR1020150063553
申请日：2015-05-07
Applicant: 현대자동차주식회사
IPC: F02F1/16 , F02F1/00 , C09D179/08 , C09D7/12
CPC classification number: F02F1/14 , F05C2251/048
Abstract: 엔진용실린더블록이개시된다. 개시된엔진용실린더블록은실린더라이너와, 실린더라이너의둘레를따라형성되며냉각수를유동시키는워터자켓을포함하는것으로서, 실린더라이너의외 주면에폴리아마이드이미드수지및 폴리아마이드이미드수지에분산된에어로겔을포함하는단열코팅층이형성될수 있다.
Abstract translation: 公开了一种用于发动机的气缸体。 和描述一种用于发动机的气缸体具有缸套，沿着含有为包括用于流动的冷却水的水套的汽缸套的外周形成，气凝胶的缸套分散在聚ahmayideuyi树脂和聚ahmayideuyi酰亚胺树脂以令人惊讶的主表面 可以形成绝缘涂层。
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公开(公告)号：KR101664615B1
公开(公告)日：2016-10-12
申请号：KR1020140176178
申请日：2014-12-09
Applicant: 현대자동차주식회사
Abstract: 본발명에의한엔진구동부품코팅방법은, 질소(N) 가스가유입되는조건하에서, 모재에크롬(Cr)원자를아크이온플레이팅방식으로증착하여크롬(Cr) 및크롬질화물(CrN, CrN) 혼합물의박막을형성하는제1단계및 질소(N) 가스와아르곤(Ar) 가스가유입되는조건하에서, 상기모재에크롬원자를아크이온플레이팅방식으로증착하고지르코늄(Zr) 원자를스퍼터링방식으로증착하여크롬, 크롬질화물및 지르코늄(Zr) 혼합물의박막을형성하는제2단계를포함하고, 상기제1단계및 제2단계중에형성되는박막에포함된크롬(Cr):질소(N)의비율은, At% 기준으로, 3:2~2:3이며, 상기제2단계중에형성되는박막에포함된지르코늄(Zr)의비율은, 3.5~4.5at%인것을특징으로한다.
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公开(公告)号：KR101646111B1
公开(公告)日：2016-08-05
申请号：KR1020140051622
申请日：2014-04-29
Applicant: 현대자동차주식회사
Abstract: 엔진단열막열적거동측정장치가개시된다. 개시된엔진단열막열적거동측정장치는엔진에적용되는단열막의열적거동을평가하기위한것으로서, ⅰ)베이스프레임과, ⅱ)베이스프레임에설치되며, 단열막이코팅된시편을고정하는홀딩부와, ⅲ)시편을기준으로베이스프레임의일측에구비되며, 시편을가열하는가열부와, ⅳ)가열부에대응하여베이스프레임의다른일측에구비되며, 단열막을냉각하는냉각부와, ⅴ)베이스프레임에구비되며, 단열막의표면온도를측정하는온도측정부를포함할수 있다.
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公开(公告)号：KR1020160085935A
公开(公告)日：2016-07-19
申请号：KR1020150002449
申请日：2015-01-08
Applicant: 현대자동차주식회사 , 부산대학교 산학협력단
Abstract: 본발명은 AFM을이용하여액체표면의마찰력을측정하는기술에관한것으로서, 보다상세하게는 AFM의캔틸레버가액적표면에접촉하여수평방향의힘을가했을때 나타나는마찰력의결과를통해액적의형태, 위치및 측정방향에따른나노스케일에서의마찰력과마찰계수를측정하는시스템및 방법에관한것이다. 보다구체적으로본 발명에대하여설명하면, 본발명은 AFM(Atomic Force Microscopr)을이용하여친수성영역에형성된액적의표면마찰력을측정하기위한시스템에있어서, 액적표면의마찰력을측정하기위한측정부, 상기측정부가측정한액적표면의마찰력을분석하는분석부및 상기분석부가분석한액적표면의마찰력을출력하는출력부를포함하되, 상기측정부는상기액적표면에접근하기위한캔틸레버및 상기캔틸레버의끝단에부착된소수성구체(hydrophobic sphere)를포함하여구성되는것을특징으로하는 AFM을이용한액적표면마찰력측정시스템을제공한다.
Abstract translation: 本发明涉及使用原子力显微镜（AFM）测量液滴上的摩擦力的技术，更具体地说，涉及一种用于测量摩擦力的系统和方法以及纳米级的摩擦系数 当作为AFM的悬臂施加在水平方向上的功率时施加的摩擦力的结果，具有形状，位置和测量的液滴的方向与液滴的表面接触。 具体地，使用AFM测量形成在亲水区域上的液滴的摩擦力的系统包括：用于测量液滴表面的摩擦力的测量单元; 分析单元，分析测量单元测量的液滴表面的摩擦力; 以及输出单元，其输出分析单元分析的液滴表面上的摩擦力。 测量单元包括：悬臂接近液滴的表面; 以及连接到悬臂末端的疏水球体。
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公开(公告)号：KR101637732B1
公开(公告)日：2016-07-07
申请号：KR1020140160186
申请日：2014-11-17
Applicant: 현대자동차주식회사
Abstract: 본발명은프리커서의성능을평가하기위해서프리커서의증기압을분자동역학시뮬레이션기법을이용하여계산함으로써직접실험하지않고도예측할수 있는프리커서의증기압시뮬레이션방법에관한것이다. 본발명에의한프리커서의증기압시뮬레이션방법은, 시뮬레이션셀을구성하여프리커서모델을설정하는모델설정단계; 프리커서모델의내부에너지를최소화하여최적화하는구조최적화단계; 최적화된프리커서모델의체적안정화단계및 전체에너지의최소화단계를거쳐시뮬레이션시편을준비하는시뮬레이션시편준비단계; 및상기시뮬레이션시편을이용하여측정이필요한온도범위내에서온도를변경하면서증기압을계산하는증기압계산단계;를포함하는것을특징으로한다.
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