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公开(公告)号：KR1020140048698A
公开(公告)日：2014-04-24
申请号：KR1020120114956
申请日：2012-10-16
Applicant: 현대자동차주식회사
Abstract: The present invention relates to a high heat dissipation polylactic acid composite material composition and a method of manufacturing the same, and more specifically, to a high heat dissipation polylactic acid composite material composition in which an L-polylactic acid resin, a D-polylactic acid resin, and a carbon fiber are mixed so that heat dissipation and mechanical properties are improved; has a low environmental load effect by replacing to a low-carbon-biomass based material instead of an existing general-purpose polymer resin; and can be used in various industrial material fields such as automobile parts, electronic equipment housing, etc. using the same, and a method of manufacturing the same. [Reference numerals] (AA) Carbon fiber (CNT growth on surface); (BB) Housing; (CC) Heat generating device
Abstract translation: 本发明涉及一种高散热聚乳酸复合材料组合物及其制造方法，更具体地说，涉及一种高散热聚乳酸复合材料组合物，其中L-聚乳酸树脂，D-聚乳酸 树脂和碳纤维混合，从而提高散热和机械性能; 通过替代低碳生物质材料而不是现有的通用聚合物树脂，具有低的环境负荷效应; 并且可以使用它们的各种工业材料领域，例如汽车部件，电子设备外壳等，及其制造方法。 （AA）碳纤维（表面CNT生长）; （BB）房屋; （CC）发热装置
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公开(公告)号：KR101326524B1
公开(公告)日：2013-11-07
申请号：KR1020120048680
申请日：2012-05-08
Applicant: 현대자동차주식회사
IPC: C08G63/78 , C08G63/08 , C07D319/12 , C08L67/04
Abstract: The present invention relates to a preparing method of lactide from a lactic acid at high yield. A low molecular weight polylactic acid is obtained by a polymerization reaction based on a D type lactic acid as a starting material and is thermally decomposed to manufacture D type lactide to obtain the D type lactide at high yield based on a simple method. The manufacturing costs of polylactic acid resin can be reduced using the D type lactide as the raw material of a D type polylactic acid. The lactide can be used for various uses such as vehicle engine, chassis parts, bioplastic, and display housing as biomass derived materials. [Reference numerals] (AA) Perform fermentation from biomass;(BB) Extract and separate D type lactic acid;(CC) Convert the D type lactic acid into D type lactide;(DD) Polymerize D type polylactic acid;(EE) Pulverize the polymer
Abstract translation: 本发明涉及以高产率从乳酸制备丙交酯的方法。 通过基于D型乳酸作为原料的聚合反应获得低分子量聚乳酸，并且通过简单的方法被热分解以制备D型丙交酯以获得高产率的D型丙交酯。 使用D型丙交酯作为D型聚乳酸的原料，可以降低聚乳酸树脂的制造成本。 丙交酯可用作各种用途，例如车辆发动机，底盘部件，生物塑料和显示器壳体作为生物质衍生材料。 （AA）从生物质进行发酵;（BB）提取和分离D型乳酸;（CC）将D型乳酸转化为D型丙交酯;（DD）聚合D型聚乳酸;（EE）粉碎 聚合物
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公开(公告)号：KR101326521B1
公开(公告)日：2013-11-07
申请号：KR1020110050307
申请日：2011-05-26
Applicant: 현대자동차주식회사
IPC: C07D319/12 , C07C59/08
CPC classification number: C07D319/12
Abstract: 본 발명은 액상의 D타입 유산으로부터 D타입 락타이드를 제조하는 방법 및 제조된 D타입 락타이드로부터 중량평균 분자량 50,000 ~ 20,000g/mol의 D타입 폴리유산을 제조하는 방법에 관한 것이다.
본 발명의 방법은 기존의 제조 방법에 비해 간단한 공법으로 고수율의 D타입락타이드를 얻을 수 있는 장점이 있다. 결국 상기 D타입 락타이드로부터 최종적으로 얻어지는 D타입 폴리유산의 원가를 낮출 수 있는 장점이 있다.Abstract translation: 本发明涉及一种方法，用于生产d型锁定方法用于生产捆和具有d型丙交酯从在d式液体乳酸制备50000〜20000克/ mol的重均分子量d型聚乳酸。
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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：KR1020120131851A
公开(公告)日：2012-12-05
申请号：KR1020110050307
申请日：2011-05-26
Applicant: 현대자동차주식회사
IPC: C07D319/12 , C07C59/08
CPC classification number: C07D319/12
Abstract: PURPOSE: A method for preparing type D lactide from type D lactic acid of a liquid phase is provided to lower cost for preparing type D polylactic acid. CONSTITUTION: A method for preparing type D lactide comprises: a step of converting type D lactic acid into type D polylactic acid at 130-150 Deg. C. and a pressure of 10-200 torr; a step of heating the type D polylactic acid under a zinc oxide catalyst at 230-240 Deg. C. to convert the liquid phase into a gas phase stream; a step of cooling the gas phase stream at -78 Deg. C. to 10 Deg. C. and separating the gas phase stream into unreacted lactic acid and a mixture; a step of mixing the mixture and water and isolating type D lactide. [Reference numerals] (a) Reactor; (b) Mixture; (c) Lactic acid recycle; (d) Water; (e) Pure lactide
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，以降低制备D型聚乳酸的成本。 构成：制备D型丙交酯的方法包括：将D型乳酸转化为130-150度的D型聚乳酸的步骤。 C.压力为10-200乇; 在氧化锌催化剂下以230-240度加热D型聚乳酸的步骤。 C.将液相转化成气相物流; 在-78度下冷却气相物流的步骤。 C.到10度 并将气相物流分离成未反应的乳酸和混合物; 将混合物和水混合并分离D型丙交酯的步骤。 （附图标记）（a）反应器; （b）混合物; （c）乳酸回收; （d）水; （e）纯丙交酯
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Patent Agency Ranking
公开(公告)号：KR1020120119106A
公开(公告)日：2012-10-30
申请号：KR1020110036868
申请日：2011-04-20
Applicant: 현대자동차주식회사
Abstract: PURPOSE: A micro alga culture medium including high content of starch and a micro alga culturing method including high content of starch using the same are provided to obtain low cost bio material by enabling the manufacturing of the micro alga including high content of starch. CONSTITUTION: A micro alga culture medium including high content of starch comprises 80-90 wt% of NaNO3, 2-3 wt% of K2HPO4, 4-8 wt% of Mg Cl2·6H2O, 1-2 wt% of Na2CO3, 1-2 wt% of CaCl2, 1-4 wt% of ethylenediaminetetraacetic acid, 0.3-0.5 wt% of citric acid and 0.3-0.6 wt% of Na2SiO3·9H2O or ferric citrate. The micro alga culture medium additionally includes 0.01-0.5 wt% of H3BO3, MnCl2·4H2O, ZnSO4·7H2O, Na2MoO4·2H2O, CuSO4·5H2O or Co(NO3)2·6H2O. A method for cultivating the micro alga uses the micro alga culture medium. The cultivating method irradiates light of 770-790 micro mol/(m2S-1) at 33-37 deg. Celsius under the daytime condition. The cultivating method irradiates light of 13 ~ 17 micro mol/(m2S-1) at 13-17 deg. Celsius under the night time condition.
Abstract translation: 目的：提供包含高含量淀粉的微藻培养基和包含高含量淀粉的微藻培养方法，以通过使包含高含量淀粉的微藻的制造获得低成本的生物材料。 构成：包含高含量淀粉的微藻培养基包含80-90重量％的NaNO 3，2-3重量％的K 2 HPO 4，4-8重量％的Mg Cl 2·6H 2 O，1-2重量％的Na 2 CO 3， 2重量％的CaCl 2，1-4重量％的乙二胺四乙酸，0.3-0.5重量％的柠檬酸和0.3-0.6重量％的Na 2 SiO 3·9H 2 O或柠檬酸铁。 微藻培养基另外含有0.01-0.5重量％的H3BO3，MnCl2·4H2O，ZnSO4·7H2O，Na2MoO4·2H2O，CuSO4·5H2O或Co（NO3）2·6H2O。 用于培养微藻的方法使用微藻培养基。 培养方法在33-37度照射770-790微摩尔/（m2S-1）的光。 白天的摄氏度。 栽培方法在13-17度照射13〜17微摩尔/（m2S-1）的光。 摄氏温度在夜间条件下。
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公开(公告)号：KR1020120108798A
公开(公告)日：2012-10-05
申请号：KR1020110027121
申请日：2011-03-25
Applicant: 현대자동차주식회사
CPC classification number: C08L67/04 , C08J3/005 , C08J2367/04 , C08J2423/08 , C08J2467/04 , C08L23/0884 , C08L2205/03 , B29B9/10 , B29B11/08 , C08L33/06 , C08L2201/02 , C08L2205/025
Abstract: PURPOSE: A manufacturing method of a polylactic acid composite material composition is provided to obtain a material with excellent thermal resistance, impact strength and tensile strength by controlling processing conditions and molding conditions. CONSTITUTION: A manufacturing method of polylactic acid composite material composition comprises: a step of manufacturing a molded product by melting and mulling a composition comprising 60-80 weight% of enantiomeric L-polylactic acid resin, 15-30 weight% of optical isomerism D-polylactic acid, and 5-10 weight% of a poly(ethylene-alkylacrylate-glycidyl methacrylate) resin at 190-195 °C; and a step of molding the molded product in an injection mold of which surface temperature is 100-110 °C. A melting index(MI) of the optical isomerism D-polylactic acid is 10-40 g/10 minutes(190°C, 2.16 kg load).
Abstract translation: 目的：提供聚乳酸复合材料组合物的制造方法，以通过控制加工条件和成型条件来获得具有优异的耐热性，冲击强度和拉伸强度的材料。 构成：聚乳酸复合材料组合物的制造方法包括：通过熔融和研磨包含60-80重量％的对映体L-聚乳酸树脂，15-30重量％的光学异构体D- 聚乳酸和5-10重量％的聚（乙烯 - 丙烯酸烷基酯 - 甲基丙烯酸缩水甘油酯）树脂在190-195℃; 以及在表面温度为100-110℃的注射模具中模制成型产品的步骤。 光学异构体D-聚乳酸的熔融指数（MI）为10-40g / 10分钟（190℃，2.16kg负荷）。
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公开(公告)号：KR1020110096838A
公开(公告)日：2011-08-31
申请号：KR1020100016327
申请日：2010-02-23
Applicant: 현대자동차주식회사
CPC classification number: C12P7/56 , C12N1/20 , C12P41/00 , C12Y302/01001 , C12Y302/01003
Abstract: 본 발명은 D 타입 유산의 제조방법에 관한 것으로서, 더욱 상세하게는 미도정 쌀을 알파아밀라제(α-amylase)와 아밀로글루코시다아제를 이용하여 당화시킨 후, 이를 스포로락토바실러스 이누리너스(sporolactobacillus inulinus)미생물에 의해 발효시킴으로서 D 타입 유산을 제조하는 방법에 관한 것이다. 본 발명에 의하면 국내외에서 과잉생산 되고 있는 쌀 자원의 부가가치를 높일 수 있으며, 제조된 D 타입 유산은 자동차 내외장용 식물계 소재로서 유망한 스테레오 컴플렉스 폴리유산를 제조하기 위한 D타입 폴리유산의 원료 등으로 유용하게 적용할 수 있다.
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公开(公告)号：KR1020110089724A
公开(公告)日：2011-08-09
申请号：KR1020100009245
申请日：2010-02-01
Applicant: 현대자동차주식회사
CPC classification number: C08L23/10 , C08L51/06 , C08L2666/02
Abstract: PURPOSE: A polypropylene-polylactic acid composite composition is provided to ensure low correspondence to low carbon and green growth and to enable the application to automobile interiors and exteriors and constructional interiors due to excellent impact strength. CONSTITUTION: A polypropylene-polylactic acid composite composition comprises 65~70 weight% of a polypropylene resin, 15~25 weight% of a polylactic acid resin, and 5~20 weight% of a maleic anhydride-grafted ethylene-octene copolymer resin. The polypropylene resin is one kind selected from a propylene homopolymer, propylene random copolymer and propylene block copolymer and has the melt index(MI) of 0.5~30 g/10 minutes(ASTM D 1238, 230°C).
Abstract translation: 目的：提供聚丙烯 - 聚乳酸复合组合物，以确保低碳和绿色生长的低对应性，并且由于优异的冲击强度，可以应用于汽车内饰，外部和建筑内部。 构成：聚丙烯 - 聚乳酸复合组合物包含65〜70重量％的聚丙烯树脂，15〜25重量％的聚乳酸树脂和5〜20重量％的马来酸酐接枝的乙烯 - 辛烯共聚物树脂。 聚丙烯树脂是选自丙烯均聚物，丙烯无规共聚物和丙烯嵌段共聚物中的一种，其熔体指数（MI）为0.5〜30g / 10分钟（ASTM D 1238,230℃）。
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公开(公告)号：KR1020110089723A
公开(公告)日：2011-08-09
申请号：KR1020100009244
申请日：2010-02-01
Applicant: 현대자동차주식회사
CPC classification number: C08L67/04 , C08K2201/011 , C08L23/10 , C08L51/06 , C08L2205/03 , C08L2666/02
Abstract: PURPOSE: A polylactic acid composite composition is provided to reduce the exhaustion of carbon dioxides and the used amount of existing petroleum-base materials as a polylactic acid and a polypropylene resin are blended. CONSTITUTION: A polylactic acid composite composition comprises, based on 100 parts by weight of a polylactic acid in which carbon nanotubes are dispersed through an in-situ polymerization method, 80~90 parts by weight of a polypropylene resin, and 10~20 parts by weight of a maleic anhydride graft ethylene-octene copolymer resin. The polylactic acid in which carbon nanotubes are dispersed through an in-situ polymerization method is prepared by adding tin 2-ethylhexanoate to a mixture of 80~90 weight% of lactide monomers and 10~20 weight% of carbon nanotubes. The molecular weight of the polylactic acid composite composition is 80,000~150,000 g/mol.
Abstract translation: 目的：提供聚乳酸复合组合物以减少二氧化碳的耗尽，并且混合作为聚乳酸和聚丙烯树脂的现有石油基材料的使用量。 构成：聚乳酸复合组合物以100重量份通过原位聚合法分散碳纳米管的聚乳酸为80〜90重量份，聚丙烯树脂为10〜20重量份， 马来酸酐接枝乙烯 - 辛烯共聚物树脂的重量。 通过原位聚合法分散碳纳米管的聚乳酸通过在80〜90重量％的丙交酯单体和10〜20重量％的碳纳米管的混合物中加入2-乙基己酸锡来制备。 聚乳酸复合组合物的分子量为80,000〜150,000g / mol。
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