-
公开(公告)号：KR1020130008104A
公开(公告)日：2013-01-22
申请号：KR1020110062513
申请日：2011-06-27
Applicant: 현대자동차주식회사
CPC classification number: Y02P20/544 , C08L67/04 , B29B7/00 , B60R13/00 , C08G63/08 , C08J5/00 , C08L2205/025
Abstract: PURPOSE: A manufacturing method of polylactic acid material with high degree of crystallinity is provided to reduce amount of D form polylactic acid. CONSTITUTION: A manufacturing method of polylactic acid material comprises the following steps: manufacturing stereo complex crystals by mixing D form and L form polylactic acids; mixing the added mixture after adding the stereo complex crystals to the D form and L form polylactic acids; and heating and holding the mixed stereo complex crystal-containing polylactic acid at 150-230 deg. Celsius. The D form and L form polylactic acids are respectively having the weight-average molecular weight of 30,000-150,000 g/mol. [Reference numerals] (AA) Manufacturing stereo complex crystal particles; (BB) Mixing the stereo complex particles and polylactic acid; (CC) Forming stereo complex particle dispersed polylactic acid; (DD) Nanoparticles: manufacturing supercritical water particles, microparticles: pulverization after blending, and fiber particles: melt spinning and others; (EE) Blending temperature condition: 180-210°C; (FF) Forming temperature condition: 180-210°C
Abstract translation: 目的：提供具有高结晶度的聚乳酸材料的制造方法以减少D型聚乳酸的量。 构成：聚乳酸材料的制造方法包括以下步骤：通过混合D型和L型聚乳酸制造立体复合晶体; 在将立体络合物晶体加入到D型中后，混合加入的混合物，L形成聚乳酸; 并加热并保持在150-230度的混合立体络合物含晶聚乳酸。 摄氏度。 D型和L型聚乳酸的重均分子量分别为30,000-150,000g / mol。 （附图标记）（AA）制造立体复合晶体颗粒; （BB）混合立体复合颗粒和聚乳酸; （CC）形成立体复合颗粒分散聚乳酸; （DD）纳米颗粒：制造超临界水颗粒，微粒：混合后粉碎，纤维颗粒：熔融纺丝等; （EE）混合温度条件：180-210℃; （FF）成型温度条件：180-210℃
-
公开(公告)号：KR1020120130388A
公开(公告)日：2012-12-03
申请号：KR1020110048274
申请日：2011-05-23
Applicant: 현대자동차주식회사
Abstract: PURPOSE: A low-core loss electrical steel sheet manufacturing method is provided to obtain an electrical steel sheet with reduced loss of Eddy current and increased core efficiency by cladding a hot rolled steel sheet with Al-Si alloy. CONSTITUTION: A low-core loss electrical steel sheet manufacturing method comprises the steps of: hot rolling steel slab which comprises 2.0-4.0wt.% of Si, 0.02-2.0wt.% of Al, 0.1-0.7wt.% of Mn, and the remaining amount of Fe and inevitable impurities(S110), cladding the hot rolled steel sheet with Al-Si alloy(S120), winding the cladded steel sheet(S130), firstly annealing and pickling the wound steel sheet(S140), cold rolling the pickled steel sheet(S150), and finally annealing the cold rolled steel sheet(S160). [Reference numerals] (S110) Hot rolling step; (S120) Cladding step; (S130) Winding step; (S140) Initial annealing and pickling step; (S150) Cold rolling step; (S160) Final annealing step
Abstract translation: 目的：提供一种低铁损电动钢板制造方法，通过用Al-Si合金包覆热轧钢板来获得具有降低的涡流损耗和增加的芯效率的电工钢板。 构成：低铁损电动钢板的制造方法包括以下步骤：热轧钢坯，其包含2.0-4.0重量％的Si，0.02-2.0重量％的Al，0.1-0.7重量％的Mn， 剩余量的Fe和不可避免的杂质（S110），用Al-Si合金包覆热轧钢板（S120），卷绕复合钢板（S130），首先退火和酸洗所形成的钢板（S140），冷 轧制酸洗钢板（S150），最后对冷轧钢板进行退火（S160）。 （参考号）（S110）热轧工序; （S120）包层步骤; （S130）卷绕步骤; （S140）初始退火和酸洗步骤; （S150）冷轧工序; （S160）最终退火步骤
-
公开(公告)号：KR1020110116889A
公开(公告)日：2011-10-26
申请号：KR1020100036559
申请日：2010-04-20
Applicant: 현대자동차주식회사
Abstract: 본 발명은 D 타입 유산의 제조방법에 관한 것으로서, 더욱 상세하게는 쌀 도정 과정에서 발생하는 쌀겨 및 쌀 분쇄물을 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 생산되고 있는 쌀 도정 부산물 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.-
公开(公告)号：KR1020110116888A
公开(公告)日：2011-10-26
申请号：KR1020100036558
申请日：2010-04-20
Applicant: 현대자동차주식회사
CPC classification number: C08L23/10 , C08L33/02 , C08L51/06 , C08L51/08 , C08L67/04 , C08L2205/03 , C08K3/00 , C08L33/10
Abstract: 본 발명은 폴리프로필렌-폴리유산 복합재료 조성물에 관한 것으로서, 더욱 상세하게는 폴리프로필렌 수지와 폴리유산 수지의 혼합물에 그들의 상용성을 위해 무수 말레인산 그라프트 에틸렌-옥텐 공중합체 및 무수 말레인산 그라프트 폴리유산, 폴리에틸렌-글리시딜 메타아크릴레이트 수지 및 탈크 입자를 첨가한 복합재료 조성물에 관한 것이다. 본 발명의 폴리프로필렌-폴리유산 복합재료 조성물은 이탄화탄소 저감 효과가 큰 바이오 소재인 폴리유산 수지를 사용함으로 해서 저탄소, 녹색성장에 대응 가능하며, 폴리유산 수지의 문제점인 기계적 강도 및 내열성을 향상시킨 소재이므로 자동차 내외장재 및 건축용 내장재 등으로 유용하게 적용할 수 있다.
-
公开(公告)号：KR1020110039901A
公开(公告)日：2011-04-20
申请号：KR1020090096941
申请日：2009-10-12
Applicant: 현대자동차주식회사
CPC classification number: C08L1/12 , C08G69/24 , C08K7/02 , C08L1/00 , C08L1/02 , C08L51/06 , C08L77/02 , C08L97/02 , C08L2666/20 , C08L2666/02
Abstract: PURPOSE: A nylon-4 composite composition is provided to ensure excellent heat resistance and mechanical properties and to reduce fabrication costs compared with nylon composite materials in which existing glass fiber reinforcement is added. CONSTITUTION: A nylon-4 composite composition comprises 60~80 weight% of nylon-4 resin, 15~35 weight% of nano cellulose, 5~25 weight% of maleic anhydride graft poly (ethylene-octene) copolymer resin. The nano cellulose is dispersed inside a maleic anhydride graft poly(ethylene-octene) copolymer resin. The maleic anhydride graft poly(ethylene-octene) copolymer resin is dispersed inside the nylon-4, wherein the nylon-4 resin has a number average molecular weight of 20,000~150,000.
Abstract translation: 目的：与添加现有玻璃纤维增强材料的尼龙复合材料相比，提供了尼龙-4复合材料组合物，以确保优异的耐热性和机械性能，并降低制造成本。 构成：尼龙-4复合组合物包含60〜80重量％的尼龙-4树脂，15〜35重量％的纳米纤维素，5〜25重量％的马来酸酐接枝聚（乙烯 - 辛烯）共聚物树脂。 纳米纤维素分散在马来酸酐接枝聚（乙烯 - 辛烯）共聚物树脂内。 马来酸酐接枝聚（乙烯 - 辛烯）共聚物树脂分散在尼龙-4内，其中尼龙-4树脂的数均分子量为20,000〜150,000。
-
Patent Agency Ranking
公开(公告)号：KR1020040092628A
公开(公告)日：2004-11-04
申请号：KR1020030026128
申请日：2003-04-24
Applicant: 현대자동차주식회사
Inventor： 한도석
IPC: C22C21/02
Abstract: PURPOSE: To provide an aluminum alloy capable of manufacturing a liner integrated cylinder block by crystallizing primary silicon on the inner surface of bore and etching aluminum part between primary silicons, and a manufacturing method of cylinder block using the aluminum alloy. CONSTITUTION: The aluminum alloy for cylinder block comprises aluminum (Al) as a matrix, 14 to 20 wt.% of silicon (Si), 2 to 5 wt.% of copper (Cu), 0.5 to 3 wt.% of magnesium (Mg), 0.13 to 0.17 wt.% of manganese (Mn), and 0.18 to 0.22 wt.% of iron (Fe). The manufacturing method of cylinder block using aluminum alloy comprises a step (a) of casting a liner integrated cylinder block by casting molten aluminum alloy at high pressure; a step (b) of crystallizing primary silicon on the inner surface of a bore by quenching the remelted inner surface of the bore after remelting the inner surface of bore of the cylinder block; and a step (c) of performing an etching process of uniformly etching an aluminum part between the primary silicons after processing the inner surface of the bore correspondingly to a predetermined final roughness of the primary silicon.
Abstract translation: 目的：提供一种能够通过在孔的内表面上结晶一次硅并在原始硅之间蚀刻铝部分来制造衬套一体式气缸体的铝合金，以及使用铝合金的气缸体的制造方法。 构成：用于气缸体的铝合金包括铝（Al）作为基质，14〜20重量％的硅（Si），2〜5重量％的铜（Cu），0.5〜3重量％的镁（ Mg），0.13〜0.17重量％的锰（Mn）和0.18〜0.22重量％的铁（Fe）。 使用铝合金的气缸体的制造方法包括通过在高压下铸造熔融铝合金来铸造衬套一体式气缸体的步骤（a）; 通过在重新熔化气缸体的孔的内表面之后淬火所述孔的重熔的内表面，在孔的内表面上结晶一次硅的步骤（b） 以及步骤（c），其对应于所述一次硅的预定最终粗糙度处理所述孔的内表面之后，进行均匀蚀刻所述主要硅之间的铝部分的蚀刻工艺。
-
公开(公告)号：KR1020030095742A
公开(公告)日：2003-12-24
申请号：KR1020020033297
申请日：2002-06-14
Applicant: 현대자동차주식회사
Inventor： 한도석
IPC: F02F1/00
CPC classification number: F02F1/004 , B22D19/0009 , F02F2200/06
Abstract: PURPOSE: A cylinder liner and a method for manufacturing the same are provided to allow the cylinder liner to be easily escaped from the bore pin by permitting the cylinder liner and the bore pin to have chamfer angles. CONSTITUTION: A cylinder liner has an inner surface which is provided with a chamfer angle in such a manner that the upper portion of the inner surface becomes narrow and the lower portion of the inner surface becomes wide. The cylinder liner has a total length of 166.8mm, a top end inner diameter of 91.81mm, and a bottom end inner diameter of 91.92mm, and the cylinder liner and a bore pin has chamfer angles of 0.15 to 0.5 degrees.
Abstract translation: 目的：提供气缸套及其制造方法，以允许气缸套通过允许气缸套和钻孔具有倒角角度而容易地从钻孔中逸出。 构成：气缸套具有内表面，该内表面具有倒角角度，使得内表面的上部变窄并且内表面的下部变宽。 气缸套的总长度为166.8mm，顶端内径为91.81mm，底端内径为91.92mm，气缸套和钻孔的倒角为0.15至0.5度。
-
公开(公告)号：KR1019970021823A
公开(公告)日：1997-05-28
申请号：KR1019950034646
申请日：1995-10-10
Applicant: 현대자동차주식회사
Inventor： 한도석
IPC: F16D65/12
Abstract: 본 발명은 브레이크 디스크의 제조방법에 관한 것으로서, 더욱 상세하게는 동심원구조의 실리콘카바이드 예비성형체를 제작하고 이 예비성형체를 브레이크 디스크 금형 내에 삽입한 후 알루미늄 용탕을 침투시켜 응고시킴으로써 브레이크가 경량화되고 내마모성이 향상되며 소음이 저감될 수 있는 브레이크 디스크를 제조하는 방법에 관한 것이다.
-
-
公开(公告)号：KR1019970007339A
公开(公告)日：1997-02-21
申请号：KR1019950019262
申请日：1995-07-03
Applicant: 현대자동차주식회사
Inventor： 한도석
IPC: G01N9/00
Abstract: 본 발명은 젖음성 측정장치에 관한 것으로서, 더욱 상세하게는 흑연도가니에 기지 금속을 잠입하고 세라믹과 알루미나를 결합시킨 디스크가 장착된 실리카 튜브를 넣어 세라믹에 붙는 기지금속의 양을 측정하여 젖음성을 측정함으로써 사용이 간단하고 측정시간과 비용이 적게 드는 젖음성 측정장치에 관한 것이다.
-
-
-
-
-
-
-
-
-
Search Results
102
records
(took 0.022 seconds)
