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公开(公告)号：KR100383590B1
公开(公告)日：2003-05-14
申请号：KR1019990068272
申请日：1999-12-31
Applicant: 삼성전자주식회사
Inventor： 박근덕
IPC: C03B8/02
Abstract: PURPOSE: A method for manufacturing a fluorine doped silica glass by extrusion is provided which forms a wet gel having strength and viscosity adequate for molding and continuously produces the large sized and high strength fluorine doped silica glass from the wet gel. CONSTITUTION: The method comprises steps of: (i) mixing fumed silica with deionized water to form a first sol; (ii) hydrolyzing a silicone alkoxide under acid catalyst to form a hydrolysate; (iii) mixing the hydrolysate of the silicone alkoxide with the first sol to form a second sol; (iv) adding a ammonium fluoride compound to the second sol; (v) filling up an extruding machine with the second sol gone through the doping process of step (iv); and (vi) extruding the gel in the extruding machine out by pressure.
Abstract translation: 目的：提供一种通过挤出制造氟掺杂石英玻璃的方法，其形成具有足以模塑的强度和粘度的湿凝胶，并从湿凝胶连续生产大尺寸和高强度掺氟石英玻璃。 构成：该方法包括以下步骤：（i）将煅制二氧化硅与去离子水混合以形成第一溶胶; （ii）在酸催化剂下水解硅氧烷醇盐以形成水解产物; （iii）将硅氧烷醇盐的水解产物与第一溶胶混合以形成第二溶胶; （iv）向第二溶胶中加入氟化铵化合物; （v）用经过步骤（iv）的掺杂工艺的第二溶胶填充挤出机; 和（vi）通过压力将挤出机中的凝胶挤出。
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公开(公告)号：KR100346122B1
公开(公告)日：2002-08-01
申请号：KR1019990064116
申请日：1999-12-28
Applicant: 삼성전자주식회사
Inventor： 박근덕
IPC: C03B8/02
Abstract: 본발명은솔-젤공법을이용한도핑된실리카글래스제조방법에있어서, 발연실리카와탈이온수를혼합하여솔을형성하고, 상기솔에분산제를첨가하는솔 형성단계와; 2개의알콕사이드기를가진메탈알콕사이드에염기성촉매를부가한후 가수분해하는가수분해물형성단계와; 상기솔 형성단계에서생성된솔에상기가수분해물을혼합하는혼합단계와; 상기혼합단계에의해생성된혼합물을몰드에넣고젤화시키는몰딩단계를포함함을특징으로하는솔-젤공법을이용한도핑된실리카글래스제조방법을제공한다.
Abstract translation: 本发明提供了一种使用溶胶 - 凝胶方法制备掺杂石英玻璃的方法，包括以下步骤：通过混合气相法二氧化硅和去离子水，并将分散剂加入到鞋底中形成鞋底; 向具有两个醇盐基团的金属醇盐中加入碱性催化剂并水解该醇盐的水解产物形成步骤; 将水解产物与刷形成步骤中产生的刷混合; 本发明还提供一种使用溶胶 - 凝胶法制造掺杂二氧化硅玻璃的方法。
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公开(公告)号：KR100330212B1
公开(公告)日：2002-03-25
申请号：KR1020000001166
申请日：2000-01-11
Applicant: 삼성전자주식회사
IPC: C03B37/00
Abstract: 본 발명은 실리카 글래스 제조 방법에 있어서, 발연 실리카와 탈이온수를 혼합하여 1차 솔을 형성하는 1차 솔 형성 과정과; 실리콘 알콕사이드 및 메탈 알콕사이드를 가수분해하는 가수분해물 형성 과정과; 상기 1차 솔에 실리콘 알콕사이드 및 메탈 알콕사이드의 가수분해물을 혼합하여 2차 솔을 형성하는 2차 솔 형성 과정과; 상기 2차 솔을 압출기 내에 채워넣는 충진 과정과; 상기 압출기의 가열 영역으로 열을 공급하여 상기 2차 솔을 젤화시키는 가열 과정과; 상기 압출기 내의 젤을 압력에 의해 압출기 밖으로 밀어내는 압출 과정을 포함하여 구성함을 특징으로 하는 압출에 의한 도핑된 실리카 글래스 제조 방법을 제공한다.
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公开(公告)号：KR100326122B1
公开(公告)日：2002-03-07
申请号：KR1019990068277
申请日：1999-12-31
Applicant: 삼성전자주식회사
IPC: C03B8/02
Abstract: 본발명은실리카글래스제조방법에있어서, 발연실리카와탈이온수를혼합하여 1차솔을형성하는 1차솔 형성과정과; 2개의알콕사이드기를가진실리콘알콕사이드를가수분해하는가수분해물형성과정과; 상기 1차솔에실리콘알콕사이드의가수분해물을혼합하여 2차솔을형성하는 2차솔 형성과정과; 상기 2차솔을압출기내에채워넣는충진과정과; 상기압출기의가열영역으로열을공급하여상기 2차솔을젤화시키는가열과정과; 상기압출기내의젤을압력에의해압출기밖으로밀어내는압출과정을포함하여구성함을특징으로하는압출에의한실리카글래스제조방법을제공한다.
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公开(公告)号：KR100326113B1
公开(公告)日：2002-03-07
申请号：KR1019990068276
申请日：1999-12-31
Applicant: 삼성전자주식회사
IPC: C03B8/02
Abstract: 본발명은실리카글래스제조방법에있어서, 분산제와함께발연실리카와탈이온수를혼합하여 1차솔을형성하는 1차솔 형성과정과; 2개의알콕사이드기를가진메탈알콕사이드를염기성촉매하에서가수분해하는가수분해물형성과정과; 상기 1차솔에메탈알콕사이드의가수분해물을혼합하여 2차솔을형성하는 2차솔 형성과정과; 상기 2차솔을압출기내에채워넣는충진과정과; 상기압출기의가열영역으로열을공급하여상기 2차솔을젤화시키는가열과정과; 상기압출기내의젤을압력에의해압출기밖으로밀어내는압출과정을포함하여구성함을특징으로하는압출에의해첨가제가도핑된실리카글래스를제조하는방법을제공한다.
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Patent Agency Ranking
公开(公告)号：KR1020010068796A
公开(公告)日：2001-07-23
申请号：KR1020000000904
申请日：2000-01-10
Applicant: 삼성전자주식회사
Inventor： 박근덕
IPC: C03C17/00
CPC classification number: C03C13/046 , C03B37/0235 , C03B37/032 , C03C2203/26
Abstract: PURPOSE: Provided is a manufacturing method of silica glass by extruding silica sol composed of colloidal sol, and silicon alkoxide hydrolyzed under basic catalyst. The resultant silica glass has high purity and high strength, enabling long and large-sized silica rods and tubes. CONSTITUTION: The method comprises the steps of: preparing a sol by mixing colloidal silica(fumed silica+deionized water) with dispersant, organic base such as tetramethylammonium hydroxide, to be pH11 or higher; hydrolyzing silicon alkoxide (Si(OR)4) having two alkoxide groups, as diethoxydiethylsilane or diethoxydiphenylsilane, under basic catalyst, NH4OH; mixing the sol with hydrolyzate, where a gelling agent, as methyl lactate or ethyl lactate, is added; filling an extruder with the sol; gelling by heating under 100deg.C; extruding; drying in a chamber; thermal-treating at low temperature, with HCl, He, H2 or O2 gas flowing for removing impurities in dried gel; sintering at 1400deg.C in He gas atmosphere.
Abstract translation: 目的：提供一种通过挤出由胶体溶胶构成的硅溶胶和在碱性催化剂下水解的硅烷醇盐的二氧化硅玻璃的制造方法。 所得的石英玻璃具有高纯度和高强度，能够制造长且大尺寸的二氧化硅棒和管。 方法：该方法包括以下步骤：通过将胶体二氧化硅（热解法二氧化硅+去离子水）与分散剂，有机碱如氢氧化四甲基铵混合而制备溶胶为pH11或更高; 在碱性催化剂NH 4 OH下水解具有两个醇盐基团的硅醇盐（Si（OR）4）作为二乙氧基二乙基硅烷或二乙氧基二苯基硅烷; 将溶胶与水解产物混合，其中加入作为乳酸甲酯或乳酸乙酯的胶凝剂; 用溶胶填充挤出机; 在100℃以下加热凝胶化; 挤压; 在室内干燥; 用HCl，H 2，H 2或O 2气体在低温下进行热处理，以除去干燥凝胶中的杂质; 在He气氛中烧结1400℃。
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公开(公告)号：KR1020010066448A
公开(公告)日：2001-07-11
申请号：KR1019990068276
申请日：1999-12-31
Applicant: 삼성전자주식회사
IPC: C03B8/02
Abstract: PURPOSE: A method for manufacturing an additive doped silica glass by extrusion is provided which reduces crack when dried by securing high strength of gel and continuously produces the silica glass in which the additive is uniformly doped. CONSTITUTION: The method comprises steps of: (i) mixing fumed silica and a dispersing agent with deionized water to form a first sol; (ii) hydrolyzing a metal alkoxide having two alkoxide groups under alkali catalyst to form a hydrolysate; (iii) mixing the hydrolysate of the metal alkoxide with the first sol to form a second sol; (iv) filling up an extruding machine with the second sol; (v) applying heat to the heating area of the extruding machine to gelate the second sol; and (vi) extruding the gel in the extruding machine out by pressure.
Abstract translation: 目的：提供通过挤出制造掺杂掺杂石英玻璃的方法，其通过确保高强度凝胶而干燥时减少裂纹，并连续地生成添加剂均匀掺杂的石英玻璃。 方法：该方法包括以下步骤：（i）将热解二氧化硅和分散剂与去离子水混合以形成第一溶胶; （ii）在碱催化剂下水解具有两个醇盐基团的金属醇盐以形成水解产物; （iii）将金属醇盐的水解物与第一溶胶混合以形成第二溶胶; （iv）用第二溶胶填充挤出机; （v）将热量施加到挤出机的加热区域以使第二溶胶凝胶化; 和（vi）通过压力挤出挤出机中的凝胶。
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公开(公告)号：KR1020010061619A
公开(公告)日：2001-07-07
申请号：KR1019990064116
申请日：1999-12-28
Applicant: 삼성전자주식회사
Inventor： 박근덕
IPC: C03B8/02
Abstract: PURPOSE: Provided is a process for preparing the titled silica glass via a sol-gel process by forming a sol under condition of alkali having excellent dispersing performance. Whereby, silica glass improving the strength of a wet gel and having low dry shrinkage rate after drying can be obtained. CONSTITUTION: This process comprises the steps of: forming a sol by mixing fumed silica and deionized water and adding a dispersing agent to the sol; forming hydrolysate by adding a basic catalyst to metal alkoxide having two alkoxide groups; mixing the sol with the hydrolysate; and introducing the mixture into a mold and gelling. The hydrogen ion concentration of a sol in the sol forming process is controlled to be 11 or more.
Abstract translation: 目的：提供通过溶胶 - 凝胶法制备标题的二氧化硅玻璃的方法，通过在具有优异分散性能的碱的条件下形成溶胶。 由此，可以获得提高湿凝胶强度并且干燥后干燥收缩率低的二氧化硅玻璃。 构成：该方法包括以下步骤：通过混合热解法二氧化硅和去离子水形成溶胶并向溶胶中加入分散剂; 通过向具有两个烷氧基的金属醇盐加入碱性催化剂形成水解产物; 将溶胶与水解产物混合; 并将混合物引入模具和胶凝。 将溶胶形成工序中的溶胶的氢离子浓度控制在11以上。
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公开(公告)号：KR1020010036211A
公开(公告)日：2001-05-07
申请号：KR1019990043121
申请日：1999-10-06
Applicant: 삼성전자주식회사
IPC: C03C17/06
CPC classification number: C03C3/04 , C03C2201/31 , C03C2203/26 , C03C2203/32
Abstract: PURPOSE: Provided is a process for producing a metal dopped silica glass, which is improved in optical property of optical fiber and prevents cracks from taking place by dopping uniformly metal particles such as germanium in the silica glass. CONSTITUTION: The process comprises the steps of: i) hydrolyzing a metal alkoxide; ii) mixing deionized water and more fumed silica than the metal alkoxide to be in a molar ratio of 1:0.1 or less; iii) mixing the hydrolyzed metal alkoxide with the mixture to form sol; iv) injecting the sol into the mold to gel; v) demolding the gel and drying it; and then vi) sintering the dried gel to vitrificate.
Abstract translation: 目的：提供一种金属掺杂石英玻璃的制造方法，其改善了光纤的光学特性，并且通过在石英玻璃中均匀掺杂诸如锗的金属颗粒来防止发生裂纹。 构成：该方法包括以下步骤：i）水解金属醇盐; ii）将去离子水和更多的热解法二氧化硅与金属醇盐混合至摩尔比为1:0.1或更小; iii）将水解的金属醇盐与混合物混合以形成溶胶; iv）将溶胶注入模具中以凝胶化; v）将凝胶脱模并干燥; 然后vi）将干燥的凝胶烧结以进行玻璃化。
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公开(公告)号：KR1020060035339A
公开(公告)日：2006-04-26
申请号：KR1020040084790
申请日：2004-10-22
Applicant: 삼성전자주식회사
IPC: G02B6/00 , C03B37/012
CPC classification number: C03B37/016 , C03B2203/42
Abstract: 본 발명에 따른 그 길이 방향을 따라 연장된 복수의 홀들을 갖는 광자결정 광섬유를 위한 모재의 제조 방법은, (a) 광자결정 광섬유 모재를 위한 몰딩 장치를 제공하는 과정과; (b) 상기 몰딩 장치의 내부에 솔을 주입하는 과정과; (c) 상기 몰딩 장치를 진공 분위기 하에 둠으로써, 외부와 소통하는 상기 몰딩 장치의 주입구를 통해 상기 몰딩 장치의 내부를 진공 상태로 만드는 과정을 포함한다.
광자결정 광섬유, 모재, 몰딩 장치, 진공 챔버
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