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公开(公告)号：KR101361462B1
公开(公告)日：2014-02-11
申请号：KR1020120035702
申请日：2012-04-05
Applicant: 현대자동차주식회사
Abstract: 본 발명은 중화제를 거의 사용하지 않고 유산흡착수지를 이용하여 발효액으로부터 유산만을 선택적으로 흡착 분리함으로써, 별도의 중화공정이 불필요하고 유산염으로부터 유산을 치환하지 않아도 되며, 발효액으로부터 고분자화를 위한 유산의 분리 정제과정을 단순하게 하여 공정비용을 절감할 수 있는 유산 제조 장치 및 방법을 제공하는데 그 목적이 있다.
상기와 같은 목적을 달성하기 위해 본 발명에 따른 유산 제조 장치는 균을 이용하여 유산을 발효시키기 위한 발효조; 상기 발효조로부터 발효액을 공급받아 균을 제거하기 위한 제균막; 및 상기 제균막으로부터 균이 제거된 여과액을 공급받아 유산을 선택적으로 흡착할 수 있도록 된 유산흡착수지;를 포함하는 것을 특징으로 한다.
본 발명에 따른 유산 제조 방법은 발효조 안에 배양액, 균 및 당을 넣고 혼합하여 유산을 발효시키는 단계; 상기 단계에서 발효된 발효액을 제균막 사이로 통과시키고, 교차-유동 여과 방식으로 발효액으로부터 균을 제거하는 단계; 상기 단계에서 제균된 여과액으로부터 유산을 유산흡착수지에 의해 선택적으로 흡착 및 분리시키는 단계;로 이루어지는 것을 특징으로 한다.-
公开(公告)号：KR1020130112464A
公开(公告)日：2013-10-14
申请号：KR1020120034862
申请日：2012-04-04
Applicant: 현대자동차주식회사
Abstract: PURPOSE: An integrated outer cover-core poly lactic acid fiber, and a manufacturing method thereof are provided to have excellent durability and mechanical strength. CONSTITUTION: An integrated outer cover-core poly lactic acid fiber comprises a structure taking poly lactic acid as core, and thermoplastic polymer is surrounding the core as an outer cover. The fiber comprises: 20-40 wt% of poly lactic acid; and 60-80 wt% of thermoplastic polymer. The poly lactic acid is fermentation-synthesized from biomass. The poly lactic acid is PLLA, PDLA, or their mixture. The thermoplastic polymer is more than one selected among polypropylene, polyethylene, polyester, polyamide, polycarbonate, styrene group, and polyolefin. [Reference numerals] (AA) Polypropylene melt resin; (BB) Poly lactic acid melt resin; (CC) Sheath-core radiation
Abstract translation: 目的：提供一体的外覆盖芯聚乳酸纤维及其制造方法，具有优异的耐久性和机械强度。 构成：一体的外覆盖芯聚乳酸纤维包含以聚乳酸为核心的结构，热塑性聚合物围绕核心为外覆盖层。 纤维包含：20-40重量％的聚乳酸; 和60-80重量％的热塑性聚合物。 聚乳酸是从生物质发酵合成的。 聚乳酸是PLLA，PDLA或它们的混合物。 热塑性聚合物是聚丙烯，聚乙烯，聚酯，聚酰胺，聚碳酸酯，苯乙烯和聚烯烃中的不止一种。 （AA）聚丙烯熔融树脂; （BB）聚乳酸熔体树脂; （CC）鞘芯辐射
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公开(公告)号：KR1020120014762A
公开(公告)日：2012-02-20
申请号：KR1020100076932
申请日：2010-08-10
Applicant: 현대자동차주식회사
CPC classification number: C08G63/08 , C08G63/823 , C08L67/04 , C12P7/56
Abstract: PURPOSE: A manufacturing method of D type polylactic acid is provided not to need a post treatment process collecting and separating solvent after reactions, and to manufacture the D type polylactic acid from D type lactide, which is obtained through microbe fermentation of biomass. CONSTITUTION: A manufacturing method of D type polylactic acid comprises: a step of manufacturing D type polylactic acid from D type lactide through solvent-free polymerization method by using stannuous octoate and 1-hexanol. The molar ratio of the D type lactide and the stannuous octoate is 1 : 1.05 × 10^(-4) - 1.20 × 10^(-4). The molar ratio of the stannuous octoate and the 1-hexanol is 1: 7.5-9.0.
Abstract translation: 目的：提供D型聚乳酸的制造方法，其不需要在反应后收集分离溶剂的后处理工序，并且通过生物质的微生物发酵得到的D型丙交酯制造D型聚乳酸。 构成：D型聚乳酸的制造方法包括：通过使用辛酸辛酯和1-己醇的无溶剂聚合法从D型丙交酯制造D型聚乳酸的步骤。 D型丙交酯和辛酸辛酯的摩尔比为1：1.05×10 ^（ - 4） - 1.20×10 ^（ - 4）。 辛酸辛酯和1-己醇的摩尔比为1:7.5〜9.0。
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公开(公告)号：KR1020110123136A
公开(公告)日：2011-11-14
申请号：KR1020100042612
申请日：2010-05-06
Applicant: 현대자동차주식회사
Abstract: PURPOSE: A manufacturing method of a nylon is provided to obtain a nylon 4 in which the yield of a nylon4 and physical properties are excellent and to reduce the emission of a carbon dioxide. CONSTITUTION: A manufacturing method of a nylon 4 comprises the following steps: a step of manufacturing a 4-aminobutyric acid from a glutamic acid or a glutamic acid sodium by using a glutamic acid dicarboxylase; a step of manufacturing 2-pyrrolidone from the 4-aminobutyric acid by using a catalyst or a desiccant; a step of reacting pyrrolidone and the potassium hydroxide to a molar ratio of 0.01-0.1; and a step of adding the reactant to the mixture of a carbon dioxide and a crown ether in which the molar ratio of the carbon dioxide is 0.05-0.5 relative to the 2-pyrroidone, and the molar ratio of the crown ether is 0.5-20 relative to the 2-pyrroidone.
Abstract translation: 目的：提供尼龙的制造方法，以获得尼龙4的收率和物理性能优异的尼龙4，并减少二氧化碳的排放。 构成：尼龙4的制造方法包括以下步骤：通过使用谷氨酸二羧酸酶从谷氨酸或谷氨酸钠制造4-氨基丁酸的步骤; 通过使用催化剂或干燥剂从4-氨基丁酸制备2-吡咯烷酮的步骤; 吡咯烷酮和氢氧化钾的摩尔比为0.01-0.1的步骤; 以及向二氧化碳和冠醚的混合物中加入反应物的步骤，其中二氧化碳的摩尔比相对于2-吡啶酮为0.05-0.5，冠醚的摩尔比为0.5-20 相对于2-吡咯酮。
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公开(公告)号：KR101047404B1
公开(公告)日：2011-07-08
申请号：KR1020090109785
申请日：2009-11-13
Applicant: 현대자동차주식회사
Abstract: 본 발명은 폴리유산-나노클레이 복합재 조성물 및 이를 포함하는 친환경 자동차 내장재에 관한 것으로서, 더욱 상세하게는 2가지 타입의 광학이성질체를 특정 중량비로 함유한 폴리유산 수지를 사용하여 내열성을 확보하고, 유기화 층상 나노클레이와 폴리(에틸렌-글리시딜 메타크릴레이트) 수지를 도입하여 내충격성을 향상시킨 복합재 조성물에 관한 것이다. 본 발명은 기존 석유자원에서 합성되는 범용수지 및 엔지니어링 플라스틱 소재 (폴리프로필렌 및 폴리에스터, 아크릴로나이트릴부타디엔스타이렌)와 동등 또는 그 이상의 기계적 물성을 갖기 때문에, 자동차 내장재 등을 포함한 다양한 산업용 부품에 적용할 수 있다.
폴리유산, 나노클레이, 폴리(에틸렌-글리시딜 메타크릴레이트)-
Patent Agency Ranking
公开(公告)号：KR1020110053006A
公开(公告)日：2011-05-19
申请号：KR1020090109785
申请日：2009-11-13
Applicant: 현대자동차주식회사
Abstract: PURPOSE: A polylactic acid-nano clay composite composition is provided to ensure excellent heat resistance, shock resistance, and biodegradation property, and to enable use as automobile interior materials. CONSTITUTION: A polylactic acid-nano clay composite composition comprises (A) 100 parts by weight of polylactic acid resins containing 65~85 weight% of optical isomer L type polylactic acid and 15~35 weight% of optical isomer D type polylactic acid, (B) 0.5~5 parts by weight of organic layered nanoclay, (C) 5~10 parts by weight of poly(ethylene-glycidyl methacrylate) resin, and (D) 2~5 parts by weight of triaryl isocyanate.
Abstract translation: 目的：提供聚乳酸 - 纳米粘土复合组合物，以确保优异的耐热性，抗冲击性和生物降解性，并可用作汽车内饰材料。 构成：聚乳酸 - 纳米粘土复合组合物包含（A）100重量份含有65〜85重量％的光学异构体L型聚乳酸和15〜35重量％旋光异构体D型聚乳酸的聚乳酸树脂（ B）0.5〜5重量份的有机层状纳米粘土，（C）5〜10重量份的聚（乙烯 - 甲基丙烯酸缩水甘油酯）树脂，和（D）2〜5重量份的三芳基异氰酸酯。
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公开(公告)号：KR1020090131843A
公开(公告)日：2009-12-30
申请号：KR1020080057799
申请日：2008-06-19
CPC classification number: C08J5/18 , C08J2323/10 , C08K3/24 , C08L23/10 , C08L89/00 , C08L2666/26
Abstract: PURPOSE: A bio composite material composition is provided to ensure good strength elasticity in bending, excellent moldability, cost economic power and tactility and to prepare an environment-friendly composite sheet with light weight. CONSTITUTION: A polypropylene/soy-protein compositions of bio composite materials comprises polypropylene resin 65~85 weight%, bean-protein particle 10~30 weight% and zinc sulfate(ZnSO4) 2~10 weight%. A method for preparing a polypropylene/soy-protein bio composite sheet comprises the steps of: mixing the bio composite material composition; molding pellets by melting and extruding the mixed bio composite materials; molding a sheet by hot press-processing the molded pellet in the condition of a temperature 150~250 °C and pressure 45~80 kg/cm^2; and processing the molded sheet with a cold pressure press to prepare a bio composite sheet.
Abstract translation: 目的：提供生物复合材料组合物，以确保良好的弯曲强度弹性，优异的成型性，经济实力和触感成本，并制备重量轻的环保复合片材。 构成：生物复合材料的聚丙烯/大豆蛋白组合物包含65〜85重量％的聚丙烯树脂，10〜30重量％的豆蛋白颗粒和2〜10重量％的硫酸锌（ZnSO4）。 制备聚丙烯/大豆蛋白生物复合片材的方法包括以下步骤：混合生物复合材料组合物; 通过熔融和挤出混合的生物复合材料来成型颗粒; 在温度为150〜250℃，压力为45〜80kg / cm 2的条件下，通过热压加工成型的片料来成型片材; 并用冷压机加工成型片材以制备生物复合片材。
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公开(公告)号：KR1020080105507A
公开(公告)日：2008-12-04
申请号：KR1020070053197
申请日：2007-05-31
Applicant: 현대자동차주식회사
Inventor： 홍채환
IPC: C08J5/22 , C08F293/00 , C08F222/00 , C08F222/22
Abstract: A polymer membrane for an automobile interior humidity sensor, and an automobile interior humidity sensor using the polymer membrane are provided to improve durability and to allow all range of humidity of both high and low humidity to be sensed. A polymer membrane for an automobile interior humidity sensor comprises a copolymer which is prepared by radical polymerizing N,N-dimethyl-2-methacryloxyethyl-3-bromopropylammonium bromide, 2-ethylhexyl acrylate and 2-hydroxyethyl methacrylate and is represented by the formula 1. Preferably the ratio of 2-ethylhexyl acrylate to N,N-dimethyl-2-methacryloxyethyl-3-bromopropylammonium bromide is 0.5-0.6 by mol.
Abstract translation: 提供了一种用于汽车内部湿度传感器的聚合物膜，以及使用该聚合物膜的汽车内部湿度传感器，以提高耐久性并且可以感测高低湿度的所有湿度范围。 用于汽车内部湿度传感器的聚合物膜包括通过自由基聚合N，N-二甲基-2-甲基丙烯酰氧基乙基-3-溴丙基溴化铵，丙烯酸2-乙基己酯和甲基丙烯酸2-羟乙酯制备的共聚物，并由式1表示。 丙烯酸2-乙基己酯与N，N-二甲基-2-甲基丙烯酰氧基乙基-3-溴丙基溴化铵的比例优选为0.5-0.6摩尔％。
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公开(公告)号：KR100867846B1
公开(公告)日：2008-11-10
申请号：KR1020070129227
申请日：2007-12-12
Applicant: 현대자동차주식회사
Inventor： 홍채환
Abstract: A high impact resistance polypropylene clay nano composite resin is provided to strengthen a mechanical property, especially, an impact property through a chemical bond of the compositions and to save the costs, compared with a preexisting polypropylene nano-composite material. A high impact resistance polypropylene clay nano composite resin comprises (A) a poly propylene resin 70 ~ 85 weight; (B) a cardanol-clay composite 5 ~ 15 weight% obtained by reacting cardanol extracted from a cashew nut shell and natural layered clay; and (C) a poly propylene resin 10 ~ 20 weight% grafted with maleic anhydride.
Abstract translation: 提供了高抗冲聚丙烯粘土纳米复合树脂，以增强机械性能，特别是通过组合物的化学键的冲击性能，并节省成本，与预先存在的聚丙烯纳米复合材料相比。 高抗冲聚丙烯粘土纳米复合树脂包括（A）70〜85重量的聚丙烯树脂; （B）通过使从腰果壳提取的腰果酚与天然层状粘土反应而获得的5-20重量％的腰果酚 - 粘土复合物; 和（C）用马来酸酐接枝10〜20重量％的聚丙烯树脂。
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公开(公告)号：KR100828824B1
公开(公告)日：2008-05-09
申请号：KR1020070060738
申请日：2007-06-20
Applicant: 현대자동차주식회사
Inventor： 홍채환
Abstract: Natural leather for car interior materials is provided to realize mechanical properties equivalent to those of natural leather like nappa by using cost-efficient suede, while improving the surface characteristics and contact feel. Natural leather for car interior materials comprises: a suede layer of natural leather; and a polyurethane resin layer formed on the top of the suede layer to be a thickness of 0.9-1.3 mm, wherein the polyurethane resin comprises 100 parts by weight of a polyol, 90-99 parts by weight of an isocyanate compound, 0.7-0.9 parts by weight of an amine catalyst, and 3-5 parts by weight of a diol chain extender, and has a number average molecular weight of 5,000-100,000.
Abstract translation: 提供汽车内饰材料的天然皮革，通过使用经济高效的绒面革，同时提高表面特性和接触感，实现与纳帕等天然皮革相当的机械性能。 汽车内饰材料天然皮革包括：天然皮革麂皮绒层; 和形成在绒面层的顶部上的厚度为0.9-1.3mm的聚氨酯树脂层，其中聚氨酯树脂包含100重量份的多元醇，90-99重量份的异氰酸酯化合物，0.7-0.9 重量份的胺催化剂和3-5重量份的二醇增链剂，其数均分子量为5,000-100,000。
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