专利快速检索-快速检索全球专利，免费商用专利数据库-IPRDB

1. 发明授权

KR100889256B1 코어 쉘 구조로 이루어진 레이저 소결용 메탈 고분자복합분말 및 이의 제조방법 有权
标题翻译：金属复合粉末适用于良好的激光烧结性能的核心结构和其制造方法
公开(公告)号：KR100889256B1
公开(公告)日：2009-03-19
申请号：KR1020070113205
申请日：2007-11-07
申请人： 주식회사 라이온켐텍
发明人： 방영길 , 최기섭 , 박창현 , 김형일 , 임병석
IPC分类号： C08K3/08 , B22F3/00 , C23C22/00 , C08K7/16
CPC分类号： C23C22/28 , B22F2003/242 , C08L23/04 , C08L23/10 , C08L25/08
摘要： Metal/polymer composite powder for laser sintering is provided to improve smoothness at a lamination process by increasing the fluidity of powder compared with metal powder. A method for manufacturing metal/polymer composite powder for laser sintering, comprises (a) a step for manufacturing the polymer solution by injecting organic solvent, a copolymer having a non-polar group and polar group at the same time, and a dispersion stabilizer, and raising while agitating the solution at a specific speed; (b) a step for injecting spherical metal powder in the polymer solution, and mixing the mixture at a specific speed; (c) a step for manufacturing the composite powder having uniform coating surface by adhering the copolymer resin on the surface of metal powder while successively decreasing the temperature of a reactor; and (d) a step for collecting the organic solvent and drying the composite powder.
摘要翻译：提供用于激光烧结的金属/聚合物复合粉末，以通过与金属粉末相比增加粉末的流动性来提高层压过程中的平滑度。一种用于激光烧结的金属/聚合物复合粉末的制造方法包括（a）通过注入有机溶剂，同时具有非极性基团和极性基团的共聚物和分散稳定剂来制造聚合物溶液的步骤，并以特定速度搅动溶液时升起; （b）将球状金属粉末注入聚合物溶液中并以特定速度混合该混合物的步骤; （c）通过将共聚物树脂粘附在金属粉末的表面上同时连续降低反应器的温度来制造具有均匀涂层表面的复合粉末的步骤; 和（d）收集有机溶剂并干燥复合粉末的步骤。

2. 发明授权

KR100867984B1 나일론 6을 이용한 레이저 소결용 분말, 이의 제조방법 및이를 이용한 성형체 有权
标题翻译：使用尼龙6的激光烧结粉末，其制造方法和由相同粉末获得的成型体
公开(公告)号：KR100867984B1
公开(公告)日：2008-11-11
申请号：KR1020070024658
申请日：2007-03-13
申请人： 주식회사 라이온켐텍
发明人： 최기섭 , 방영길 , 박창현 , 김형일 , 하현 , 임병석
IPC分类号： C08J3/12 , C08G69/46 , C08J3/28
摘要： 본 발명은 레이저 소결용 분말의 제조와 그 분말을 이용해 소결된 성형품에 관한 것이다. 기존의 레이저 소결용 고분자 분말은 나일론 11 또는 나일론 12이었는데, 본 발명은 나일론 6을 이용하여 레이저 소결용 분말을 건식 냉동 분쇄 및 형상제어(구형화)를 통하여 제조하였으며, 제조된 나일론 6 분말을 기존에 많이 사용되던 고분자 분말인 나일론 11 또는 나일론12와 혼합하여 소결시킴으로써 우수한 성형성과 기계적 물성을 갖는 레이저 소결용 분말을 제조하였다.
나일론 6, 레이저 소결용 분말, SLS(Selective Laser Sintering), 완구율, 소결성, 성형성, 기계적 물성

3. 发明授权

KR100796218B1 입자크기분포가 균일하고, 벌크밀도가 높은 레이저 소결용고분자 분말의 제조방법 有权
标题翻译：具有均匀尺寸和高密度密度的激光烧结粉末的制造方法
公开(公告)号：KR100796218B1
公开(公告)日：2008-01-21
申请号：KR1020060116664
申请日：2006-11-24
申请人： 주식회사 라이온켐텍
发明人： 최기섭 , 방영길 , 박창현 , 김형일 , 하현 , 임병석
IPC分类号： C08J3/12 , C08K3/22
CPC分类号： B29B9/12 , B29B2009/125 , B29C64/153 , B29K2077/00 , B33Y70/00 , C08J3/12
摘要： A method for preparing polymer powders for laser sintering is provided to produce the laser sinter powders that have a uniform particle size distribution and high bulk density and to improve mechanical properties and uses of molded articles thereof. A method for preparing laser sinter polymer powders includes the steps of: (a) mixing water with alcohol to prepare a mixed solvent; (b) charging the mixed solvent, a dispersant, and polymer resins into a high-pressure reactor, and heating the mixture to 140-160 °C to obtain a solution while stirring the mixture at a fixed speed; and (c) lowering the internal temperature of the reactor to 120-135 °C and stirring the resultant at 100-200 rpm for 0.5-2 hours to form nuclei, lowering the internal temperature of the reactor to 115-120 °C and stirring the resultant at 100-200 rpm for 0.5-2 hours to form grow the nuclei, and lowering the internal temperature of the reactor to 100-115 °C and stirring the resultant at 100-200 rpm for 0.5-2 hours to produce crystals.
摘要翻译：提供一种制备用于激光烧结的聚合物粉末的方法，以产生具有均匀的粒度分布和高堆积密度的激光烧结粉末，并改善其模塑制品的机械性能和用途。制备激光烧结聚合物粉末的方法包括以下步骤：（a）将水与醇混合以制备混合溶剂; （b）将混合溶剂，分散剂和聚合物树脂装入高压反应器中，并将混合物加热至140-160℃以获得溶液，同时以固定速度搅拌混合物; 和（c）将反应器的内部温度降至120-135℃，并在100-200rpm下搅拌0.5-2小时以形成核，将反应器的内部温度降至115-120℃并搅拌所得物在100-200rpm下进行0.5-2小时以形成核，并将反应器的内部温度降至100-115℃，并在100-200rpm下搅拌0.5-2小时以产生晶体。

4. 发明授权

KR100783310B1 입자크기분포가 균일하고, 벌크밀도가 높은 레이저 소결용고분자 분말 有权
标题翻译：具有均匀尺寸和高密度密度的激光烧结粉末
公开(公告)号：KR100783310B1
公开(公告)日：2007-12-10
申请号：KR1020070085437
申请日：2007-08-24
申请人： 주식회사 라이온켐텍
发明人： 최기섭 , 방영길 , 박창현 , 김형일 , 하현 , 임병석
IPC分类号： C08J3/12 , C08K3/22
CPC分类号： B29B9/12 , B29B2009/125 , B29C64/153 , B33Y70/00 , C08J3/12 , C08J2300/00
摘要： A polymer powder for laser sintering is provided to improve the uniformity of particle size distribution, dimension stability, thermal stability, flow stability and smoothness and to increase bulk density. A polymer powder for laser sintering has an average diameter of 40-70 micrometers, a bulk density of 480-700 g/L and a sphericity of 0.6-0.9. Preferably the polymer powder is prepared by melting a polymer resin by using a mixture solvent comprising water and an alcohol, and a dispersant; and decreasing temperature step by step for the formation of nucleus, the growth of nucleus and the crystallization of a polymer resin. Preferably the mixture solvent comprises 0.1-30 wt% of water, and 70-99.9 wt% of an alcohol.
摘要翻译：提供用于激光烧结的聚合物粉末，以提高粒度分布的均匀性，尺寸稳定性，热稳定性，流动稳定性和平滑度，并增加堆积密度。用于激光烧结的聚合物粉末的平均直径为40-70微米，堆积密度为480-700g / L，球形度为0.6-0.9。优选地，通过使用包含水和醇的混合溶剂和分散剂熔化聚合物树脂来制备聚合物粉末; 并逐步降低温度，以形成核，生长核和聚合物树脂的结晶。优选地，混合溶剂包含0.1-30重量％的水和70-99.9重量％的醇。

5. 发明公开

KR1020080083873A 나일론 6을 이용한 레이저 소결용 분말, 이의 제조방법 및이를 이용한 성형체 有权
标题翻译：使用尼龙6的激光烧结粉末，其制造方法和从相同粉末获得的成型产品
公开(公告)号：KR1020080083873A
公开(公告)日：2008-09-19
申请号：KR1020070024658
申请日：2007-03-13
申请人： 주식회사 라이온켐텍
发明人： 최기섭 , 방영길 , 박창현 , 김형일 , 하현 , 임병석
IPC分类号： C08J3/12 , C08G69/46 , C08J3/28
CPC分类号： B29B9/12 , B29C64/153 , B29K2077/00 , B33Y70/00 , C08J3/12 , C08J2377/02
摘要： A method for preparing a laser sintering powder, a molded product prepared by using the powder, and a laser sintering powder prepared by the method are provided to improve molding property and mechanical properties such as tensile strength even without adding a coupling agent. A method for preparing a laser sintering powder comprises the steps of pulverizing a pellet type nylon 6 by a freeze-dry pulverizing method; heat-treating the obtained nylon 6 powder; and mixing the heat-treated nylon 6 powder with a nylon 11 or nylon 12 powder. Preferably the freeze-dry pulverizing is carried out by using liquid N2; the heat treatment is carried out at a temperature of 65-220 deg.C; the obtained nylon 6 powder has a particle size of 20-100 micrometers; and the nylon 11 or nylon 12 powder has a particle size of 40-70 micrometers.
摘要翻译：提供一种制备激光烧结粉末的方法，使用该粉末制备的成型产品和通过该方法制备的激光烧结粉末，以提高成型性能和机械性能如拉伸强度，即使不添加偶联剂。制备激光烧结粉末的方法包括通过冷冻干燥粉碎法粉碎颗粒型尼龙6的步骤; 热处理得到的尼龙6粉末; 并将经热处理的尼龙6粉末与尼龙11或尼龙12粉末混合。优选地，通过使用液氮来进行冷冻干燥粉碎; 热处理在65-220℃的温度下进行; 得到的尼龙6粉末的粒径为20-100微米; 尼龙11或尼龙12粉末的粒度为40-70微米。

你已经成功收藏专利！

检索式保存成功!

IPRDB

热门服务

关于我们

友情链接

联系方式