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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:KR101230907B1
公开(公告)日:2013-02-08
申请号:KR1020110074764
申请日:2011-07-27
Applicant: 현대자동차주식회사
CPC classification number: C08G63/08 , C07D319/12 , C08G63/78 , C08G63/823
Abstract: 본 발명은 액상의 D 타입 유산으로부터 D 타입 락타이드를 제조하는 방법 및 제조된 D 타입 락타이드로부터 중량평균 분자량 50,000 ~ 20,000g/mol의 D 타입 폴리유산을 제조하는 방법에 관한 것이다.
본 발명의 방법은 기존의 제조 방법에 비해 간단한 공법으로 고수율의 D 타입락타이드를 얻을 수 있는 장점이 있다. 결국 상기 D 타입 락타이드로부터 최종적으로 얻어지는 D 타입 폴리유산의 원가를 낮출 수 있는 장점이 있다.-
公开(公告)号:KR1020130013227A
公开(公告)日:2013-02-06
申请号:KR1020110074750
申请日:2011-07-27
Applicant: 현대자동차주식회사
IPC: C08G63/08 , C08L67/04 , C08L101/16 , C08J3/20
CPC classification number: C08G63/08 , C08G63/823
Abstract: PURPOSE: A manufacturing method of colored polylactic acid is provided to effectively manufacture a polylactic acid resin with various colors in short time by using a selective initiator which determines the color. CONSTITUTION: A manufacturing method of colored polylactic acid comprises: a step of synthesizing an aluminum catalyst ligand in a solvent; and a step of adding a lactide monomer and a selective initiator determining the color into the solvent with the aluminum catalyst ligand, and conducting a polylactic acid polymerization. The solvent is selected from toluene, benzene, pentane, cyclopentane, hexane, cyclohexane, chloroform, diethyl ether, or 1,4-dioxane. The aluminum catalyst ligand is obtained by mixing trimethylaluminum and a C5H4N(CO)NHC6H4(NO2)2 solution. [Reference numerals] (AA) Catalyst; (BB) Initiator; (CC,EE) Dye; (DD) Lactide; (FF) Colored polylactic acid resin
Abstract translation: 目的:提供着色聚乳酸的制造方法,通过使用确定颜色的选择性引发剂,在短时间内有效地制造各种颜色的聚乳酸树脂。 构成:着色聚乳酸的制造方法包括:在溶剂中合成铝催化剂配体的工序; 以及将丙交酯单体和选择性引发剂与铝催化剂配体一起添加到溶剂中并进行聚乳酸聚合的步骤。 溶剂选自甲苯,苯,戊烷,环戊烷,己烷,环己烷,氯仿,乙醚或1,4-二恶烷。 通过混合三甲基铝和C5H4N(CO)NHC6H4(NO2)2溶液得到铝催化剂配体。 (AA)催化剂; (BB)发起者; (CC,EE)染料; (DD)丙交酯; (FF)着色聚乳酸树脂
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公开(公告)号:KR1020120111866A
公开(公告)日:2012-10-11
申请号:KR1020110074764
申请日:2011-07-27
Applicant: 현대자동차주식회사
CPC classification number: C08G63/08 , C07D319/12 , C08G63/78 , C08G63/823
Abstract: PURPOSE: A method for preparing type D lactide from type D lactic acid of liquid phase is provided to lower cost for type D poly lactic acid. CONSTITUTION: A method for preparing type D lactide comprises: a step of converting type D lactic acid of liquid phase into 600-1200 g/mol of type D poly lactic acid at 160-210 Deg. C. and 10-200 torr; a step of heating type D poly lactic acid under the presence of tin powder, tin halide, tin carboxylate, or tin alkoxide at 160-210 Deg. C. to convert into vapor stream; a step of passing the vapor stream through a catalyst layer containing alumina, silica, or alumina-silica mixture; and a step of isolating type D lactide from the vapor stream. The type D lactic acid is prepared by saccharifying rice by-product and starch with alpha-amylase and amloglucosidase and fermenting with Sporolactobacillus Inulinus. [Reference numerals] (AA) Fermentation from biomass; (BB) Extraction and isolation of type D lactic acid; (CC) Conversion into type D lactide; (DD) Type D polylactic acid polymerization; (EE) Polymer crushing
Abstract translation: 目的:提供一种从液相D型乳酸制备D型丙交酯的方法,降低D型聚乳酸的成本。 构成:用于制备D型丙交酯的方法包括:将液相的D型乳酸转化为160-210度的D型聚乳酸的600-1200g / mol的步骤。 C.和10-200乇; 在锡粉末,锡卤化物,羧酸锡或锡醇盐存在下,以160-210度加热D型聚乳酸的步骤。 C.转化为蒸汽流; 将蒸汽流通过含有氧化铝,二氧化硅或氧化铝 - 二氧化硅混合物的催化剂层的步骤; 以及从蒸汽流中分离D型丙交酯的步骤。 D型乳酸通过用α-淀粉酶和淀粉葡糖苷酶糖化水稻副产物和淀粉并用孢霉乳球菌发酵来制备。 (附图标记)(AA)来自生物质的发酵; (BB)D型乳酸的提取和分离; (CC)转化为D型丙交酯; (DD)D型聚乳酸聚合; (EE)聚合物破碎
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公开(公告)号:KR1020120033877A
公开(公告)日:2012-04-09
申请号:KR1020100095614
申请日:2010-09-30
Applicant: 현대자동차주식회사
IPC: G01H15/00
Abstract: PURPOSE: A measuring device for sound pressure of a vehicle driver and a method thereof are provided to circulate a sound pressure of a vehicle driver based on sound pressure measured by microphones so that an optimal active acoustic system can be designed. CONSTITUTION: A measuring device for sound pressure of a vehicle driver comprises microphones(10,11,12) and sound pressure calculation part(20). The microphones are arranged in a row inside a vehicle. The microphones measure a sound pressure corresponding to a sound source output through a speaker. The sound pressure calculation part calculates the sound pressure of a vehicle driver based on the sound pressure measured by each microphone.
Abstract translation: 目的:提供一种用于车辆驾驶员的声压的测量装置及其方法,用于基于由麦克风测量的声压来循环驾驶员的声压,从而可以设计最佳的有源声学系统。 构成:用于车辆驾驶员的声压的测量装置,包括麦克风(10,11,12)和声压计算部(20)。 麦克风在车辆内排成一行。 麦克风测量与通过扬声器输出的声源相对应的声压。 声压计算部根据由各麦克风测得的声压计算车辆驾驶员的声压。
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公开(公告)号:KR100471027B1
公开(公告)日:2005-03-08
申请号:KR1020020033297
申请日:2002-06-14
Applicant: 현대자동차주식회사
Inventor: 한도석
IPC: F02F1/00
Abstract: 본 발명은 자동차 엔진용 실린더 라이너 및 그 제조 방법에 관한 것으로서, 주철재 라이너 제작시 상부는 좁고 하부는 넓은 구조가 되도록 미세한 챔퍼각을 주어 제작하고, 이러한 챔퍼각을 갖는 주철재 라이너가 삽입되는 금형의 보어핀에도 상부는 좁고 하부는 넓은 구조가 되도록 미세한 챔퍼각을 주어 제작함으로써, 알루미늄 고압 주조후 실린더 라이너를 탈거할 때, 알루미늄의 스티킹 현상을 방지하면서 금형의 보어핀으로부터 실린더 라이너가 용이하게 빠질 수 있도록 한 자동차 엔진용 실린더 라이너를 제공하고자 한 것이다.
또한, 본 발명은 알루미늄 용탕을 고압 주조하는 공정전에 상기 주철재 실린더 라이너의 외표면에 순도가 높은 알루미늄으로 미리 표면 처리해줌으로써, 고압주조시 용탕상태의 알루미늄과 실린더 라이너의 표면에 미리 코팅된 알루미늄간의 금속결합이 동종 금속이므로 용이하게 이루어져, 알루미늄이 고르게 입혀질 수 있도록 한 자동차 엔진용 실린더 라이너의 제조 방법을 제공하고자 한 것이다.-
公开(公告)号:KR1020030091350A
公开(公告)日:2003-12-03
申请号:KR1020020029280
申请日:2002-05-27
Applicant: 현대자동차주식회사
Inventor: 한도석
IPC: B22D41/00
Abstract: PURPOSE: A spray forming device of semi-liquid metal material is provided to manufacture cylinder shaped billet having superior formability by putting a liquid phase sample into tundish and simultaneously spraying molten metal and nitrogen gas onto the liquid phase sample so that fine droplets are laminated on a metal substrate. CONSTITUTION: The spray forming device of semi-liquid material is characterized in that it is formed in such a way that fine metal droplets and nitrogen gas are rotationally sprayed onto a vertically movable mold(13) through melt injection nozzle(11) from the tundish(10) after putting a liquid phase sample molten by induction furnace into tundish(10), wherein flow rate of melt, pressure and flow rate of gas and flow rate ratio of the melt/gas are controlled when spraying the melt droplets and gas from the melt injection nozzle(11), wherein the flow rate of melt is 2 kg/min, and the gas pressure is 6 atmospheric pressure and flow rate thereof is 2.1 m¬3/min respectively, wherein the device comprises tundish(10), melt injection nozzle(11), gas nozzle(12), mold(13) and metal substrate(14), and wherein the melt injection nozzle(11) is inserted into nozzle port(15) having heat resistance through alumina plate(16) and connected to the mold(13).
Abstract translation: 目的:提供半液态金属材料的喷雾成形装置,通过将液相样品放入中间包中,同时将液态金属和氮气喷射到液相样品上,使细小的液滴层叠在一起,制成具有优异成形性的圆筒形钢坯 金属基板。 构成:半液体材料的喷雾形成装置的特征在于,其形成为使得细金属液滴和氮气通过熔融注射喷嘴(11)从中间包旋转喷射到可垂直移动的模具(13)上 (10)将由感应炉熔融的液相样品放入中间包(10)中,其中当将熔融液体和气体喷射时,熔体/气体的熔体流动速率,气体的流速和熔体/气体的流速比被控制 熔融喷嘴(11),其中熔体流速为2kg / min,气体压力为6大气压,流速分别为2.1m 3 / min,其中装置包括中间包(10), 熔融注射喷嘴(11),气体喷嘴(12),模具(13)和金属基材(14),并且其中熔融注射喷嘴(11)插入通过氧化铝板(16)具有耐热性的喷嘴口(15) 并连接到模具(13)。
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公开(公告)号:KR101526593B1
公开(公告)日:2015-06-09
申请号:KR1020090093949
申请日:2009-10-01
Applicant: 현대자동차주식회사
Abstract: 본발명은내열성및 내충격특성이우수한폴리유산복합재료조성물및 이의제조방법에관한것으로서, 더욱상세하게설명하면광학이성질 L타입폴리유산(PLLA) 수지, 광학이성질 D타입폴리유산(PDLA) 수지, 폴리(에틸렌-글리시딜메타크릴레이트), 트리아릴이소시아네이트를포함하는폴리유산복합재료조성물에관한것이다. 본발명의폴리유산복합재료조성물은광학이성질 L타입폴리유산(PLLA) 수지를베이스로하고, 일정량의광학이성질 D타입폴리유산(PDLA)을첨가하여결정구조의변화를유발하여높은내열성을확보하며, 폴리(에틸렌-글리시딜메타크릴레이트)와트리아릴이소시아네이트를첨가함으로써높은내충격성특성을확보할수 있다. 본발명의폴리유산복합재료조성물은기존석유자원에서합성되는범용수지및 엔지니어링플라스틱소재(폴리프로필렌및 폴리에스터, 아크릴로나이트릴부타디엔스타이렌)와동등또는그 이상의기계적물성을갖기때문에자동차부품을포함한다양한산업용부품에적용할수 있다.
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公开(公告)号:KR101428383B1
公开(公告)日:2014-08-08
申请号:KR1020130046449
申请日:2013-04-26
Applicant: 현대자동차주식회사
CPC classification number: H01M10/625 , F28D15/0275 , F28D2021/0028 , H01M10/613 , H01M10/6552 , H01M10/6557 , H01M2220/20
Abstract: The present invention relates to an apparatus to indirectly cool a battery module for an eco-friendly vehicle and, more specifically, to an apparatus to indirectly cool a battery module for an eco-friendly vehicle capable of maximizing the performance of a battery heat radiation; and at the same time preventing the battery performance from being deteriorated by indirectly cooling the battery module using an interfacial plate into which a heat pipe is inserted. That is, the present invention provides an apparatus to indirectly cool a battery module for an eco-friendly vehicle in which a thermal conductive interfacial plate into which a heat pipe is inserted into by over-molding the heat pipe, is closely disposed between the battery cells and a heat sink integrally connected to an upper end of the heat pipe as a condenser is placed on an air cooling path, such that adhesion strength between the interfacial plate and the battery cells may be increased and the performance of a battery heat radiation may be maximized, thereby preventing a volume expansion due to the heat radiation. In addition, according to the apparatus to directly cool a battery module for an eco-friendly vehicle, a surface heat radiation member is further disposed between the battery cells in which the interfacial plate is not installed in order to heat the battery at a suitable temperature level in a cold ignition and under low temperature environment, such that the performance of the battery may be improved and the output power of a vehicle may be prevented from being deteriorated.
Abstract translation: 本发明涉及一种用于间接冷却环保车辆的电池模块的装置,更具体地说,涉及一种用于间接冷却能够最大化电池散热性能的环保车辆的电池模块的装置; 并且同时通过使用插入有热管的界面板间接冷却电池模块来防止电池性能劣化。 也就是说,本发明提供一种用于间接冷却用于环保车辆的电池模块的装置,其中通过过热模制热管将热管插入其中的导热界面板被紧密地布置在电池 电池和作为冷凝器一体地连接到热管的上端的散热器被放置在空气冷却路径上,使得界面板和电池单元之间的粘合强度可以增加,并且电池散热的性能可以 最大化,从而防止由于热辐射引起的体积膨胀。 此外,根据用于直接冷却环保车辆的电池模块的装置,还将表面散热构件设置在不安装界面板的电池单元之间,以便在合适的温度下加热电池 在低温点火和低温环境下,能够提高电池的性能,并且可以防止车辆的输出功率劣化。
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