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公开(公告)号：KR1020030007992A
公开(公告)日：2003-01-24
申请号：KR1020010037082
申请日：2001-06-27
Applicant: 한국화학연구원
IPC: C01B33/18
CPC classification number: C01B33/18 , C01P2004/32
Abstract: PURPOSE: A method for fabricating organic matter impregnated spherical silica powder is provided to reduce frictional force and increase packing ratio by fabricating silica powder in a sphere shape and give functionality or stabilize the organic matter by impregnating organic matter into inorganic matter. CONSTITUTION: In a method for fabricating organic matter impregnated silica powder by sol-gel method, the method for fabricating the organic matter impregnated spherical silica powder comprises the processes of preparing an emulsion in a water/oil shape by mixing the resulting solution using an emulsifier after adding a surfactant in which span 60 is mixed with tween 80 in a mixing ratio of 1:2 to a nonpolar solvent and adding a solution in which water glass solution, alkylsiloxane as a stabilizer and organic matter to be impregnated are mixed to the mixture; gelating the emulsion as slowly adding an aqueous solution of ammonium carbonate to the emulsion; and cleaning the first dried powder with ion exchange water and secondly drying the cleaned powder after filtering the gelated and precipitated powder, cleaning the filtered powder with acetone and firstly drying the cleaned powder at a temperature of 50 to 100 deg.C.
Abstract translation: 目的：提供一种制备有机物浸渍的球形二氧化硅粉末的方法，通过制备球形二氧化硅粉末来降低摩擦力并增加填充率，并通过将有机物质浸渍到无机物质中产生功能或稳定有机物质。 构成：在通过溶胶 - 凝胶法制造有机物浸渍的二氧化硅粉末的方法中，制备有机物浸渍的球形二氧化硅粉末的方法包括通过使用乳化剂混合所得溶液来制备水/油形式的乳液的方法 加入其中跨度60与吐温80以1:2的混合比与非极性溶剂混合的表面活性剂，并加入其中将水玻璃溶液，作为稳定剂的烷基硅氧烷和待浸渍的有机物质混合到该混合物中的溶液 ; 将乳状液缓慢加入到乳液中使乳状液凝胶化; 用离子交换水清洗第一干燥粉末，然后过滤凝胶沉淀的粉末，然后用丙酮清洗过滤的粉末，然后在50至100℃的温度下干燥经过清洗的粉末。
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公开(公告)号：KR1020020074579A
公开(公告)日：2002-10-04
申请号：KR1020010014423
申请日：2001-03-20
Applicant: 한국화학연구원
IPC: C01B33/14
CPC classification number: C01B33/154 , C01B33/158 , C01P2002/02 , C01P2006/14 , C01P2006/16
Abstract: PURPOSE: A powdery self humidity control material is provided to control indoor humidity between 40 % to 70 % automatically irrespective of outdoor humidity changes. CONSTITUTION: The method comprises the steps of forming porous gel by reverse titration where sodium silicate solution is added to acid solution; aging the porous gel at pH 4.0 to 6.0, followed by washing, drying and calcination. Above reverse titration is not subject to redissolution process and carried out at 0 to 10 deg.C. The obtained powdery self humidity control material has porosity of 3.0 to 6.0 nm and porous volume of 0.7 to 1.0 cc/g.
Abstract translation: 目的：提供粉状自调湿材料，自动控制室内湿度40％至70％，无论室外湿度如何变化。 方法：该方法包括通过反滴定法形成多孔凝胶的步骤，其中将硅酸钠溶液加入到酸溶液中; 在pH 4.0至6.0下老化多孔凝胶，然后洗涤，干燥和煅烧。 上述反滴定不经过再溶解处理，在0〜10℃下进行。 得到的粉末状自调湿材料的孔隙率为3.0〜6.0nm，多孔体积为0.7〜1.0cc / g。
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公开(公告)号：KR1020020044683A
公开(公告)日：2002-06-19
申请号：KR1020000073685
申请日：2000-12-06
IPC: C01F7/46
Abstract: PURPOSE: A preparation method of alumina sol using waste aluminum chloride solution as a raw material unlike a conventional sol is provided to save production cost and control particle size of alumina sol. The resultant alumina sol is used for coating agents, catalyst carriers, binders, etc. CONSTITUTION: The preparation method is as follows: adding 5-40wt.% of alkali solution, such as NaOH or NH4OH, to 5-15wt.% of waste aluminum chloride(AlCl3) solution to precipitate aluminum hydroxide(Al(OH)3); aging at 20-100deg.C for 0.1-24hrs.; washing and filtering the precipitates, and optionally partial drying at 20-100deg.C for 0.1-24hrs. to control the size of sol; peptizing with 0.01-2M/Al 1M of acid, such as CH3COOH, HCl, etc., by stirring for 2hrs. at room temperature to form alumina sol with boehmite(AlOOH) crystal structure; thermal treating the obtained slurry at 80-130deg.C for 5-30hrs. for alumina sol. The transparent alumina sol is used for coating agents, and the opaque alumina sol is used for porous coating agents, catalyst carriers, high temperature binders, etc.
Abstract translation: 目的：提供与常规溶胶不同的使用废氯化铝溶液作为原料的氧化铝溶胶的制备方法，以节省生产成本并控制氧化铝溶胶的粒度。 所得氧化铝溶胶用于涂布剂，催化剂载体，粘合剂等。制备方法如下：将5-40重量％的碱溶液如NaOH或NH 4 OH加入到5-15重量％的废物中 氯化铝（AlCl3）溶液沉淀氢氧化铝（Al（OH）3）; 在20-100℃下老化0.1-24小时。 洗涤和过滤沉淀物，任选地在20-100℃下部分干燥0.1-24小时。 控制溶胶的大小; 通过搅拌2小时，用0.01-2M / Al 1M的酸如CH3COOH，HCl等进行胶溶。 在室温下形成具有勃姆石（AlOOH）晶体结构的氧化铝溶胶; 将得到的浆料在80-130℃下热处理5-30小时。 用于氧化铝溶胶。 透明氧化铝溶胶用于涂布剂，不透明氧化铝溶胶用于多孔涂层剂，催化剂载体，高温粘合剂等。
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公开(公告)号：KR1019970000441B1
公开(公告)日：1997-01-11
申请号：KR1019930014253
申请日：1993-07-27
Applicant: 한국화학연구원
CPC classification number: C04B18/027 , C04B38/0675 , Y02W30/92 , Y02W30/96 , Y02W30/97 , C04B33/22 , C04B35/16 , C04B35/622 , C04B38/067 , C04B14/047 , C04B14/08 , C04B14/10 , C04B18/021 , C04B18/06 , C04B18/20 , C04B18/24
Abstract: A porous ceramic material is produced by mixing and calcinating ceramic sources with pulp slop as binding agent; waste pulp, waste synthetic resin or waste rubber as pore medium; and sodium silicate as strength enhancer. Said ceramic sources comprise at least one of heavy components consisting of kaoline, agalmatolite, clay and alumina, and at least one of light components consisting of diatom, coal ash and zeolite. The ceramic material shows excellent heat insulation, fire proof, light-weight, and acoustic absorption ability.
Abstract translation: 通过混合和煅烧陶瓷源与纸浆浆料作为粘合剂来生产多孔陶瓷材料; 废纸浆，废合成树脂或废橡胶作为孔隙介质; 和硅酸钠作为强度增强剂。 所述陶瓷源包括由高岭土，石榴石，粘土和氧化铝组成的重组分中的至少一种，以及由硅藻，煤灰和沸石组成的至少一种轻组分。 陶瓷材料具有优异的隔热性，防火性，轻便性和吸音性。
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Patent Agency Ranking
公开(公告)号：KR100427264B1
公开(公告)日：2004-04-17
申请号：KR1020010014423
申请日：2001-03-20
Applicant: 한국화학연구원
IPC: C01B33/14
Abstract: PURPOSE: A powdery self humidity control material is provided to control indoor humidity between 40 % to 70 % automatically irrespective of outdoor humidity changes. CONSTITUTION: The method comprises the steps of forming porous gel by reverse titration where sodium silicate solution is added to acid solution; aging the porous gel at pH 4.0 to 6.0, followed by washing, drying and calcination. Above reverse titration is not subject to redissolution process and carried out at 0 to 10 deg.C. The obtained powdery self humidity control material has porosity of 3.0 to 6.0 nm and porous volume of 0.7 to 1.0 cc/g.
Abstract translation: 用途：粉末状自动湿度控制材料可自动控制40％至70％的室内湿度，而不受室外湿度变化的影响。 构成：该方法包括通过反向滴定形成多孔凝胶的步骤，其中将硅酸钠溶液加入到酸溶液中; 在pH4.0至6.0时老化多孔凝胶，然后洗涤，干燥和煅烧。 在反滴定以上不进行再溶解处理，在0〜10℃下进行。 得到的粉末状自湿度调节材料的孔隙率为3.0〜6.0nm，多孔体积为0.7〜1.0cc / g。
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公开(公告)号：KR100411204B1
公开(公告)日：2003-12-18
申请号：KR1020010010385
申请日：2001-02-28
Applicant: 주식회사 아모레퍼시픽그룹 , 한국화학연구원 , 선진뷰티사이언스(주)
Abstract: PURPOSE: A process of preparing double silica-titania composite powders by allowing silica to support titanium dioxide and then coating the surface of the silica with titanium oxide is provided. Whereby, the composite powders are excellent in irregular reflection and low in hiding power and can be used in a make-up product, ultraviolet screening products, etc.. CONSTITUTION: Silica is allowed to support a large amount of titanium dioxide by the reaction of silica, titanium alkoxide and an aqueous alcohol solution to produce a silica-titania composite carried with titanium dioxide, which is reacted with titanium chloride and the aqueous alcohol solution to produce silica-titania composite powder, which are surface-modified with silicon oil or a fatty acid soap to produce the double silica-titania composite powder.
Abstract translation: 目的：提供一种通过使二氧化硅负载二氧化钛，然后用二氧化钛涂覆二氧化硅表面来制备二氧化硅 - 二氧化钛复合粉末的方法。 由此，该复合粉末具有优异的不规则反射和低遮盖力，并且可以用于化妆品，紫外线屏蔽产品等等。构成：二氧化硅可以通过反应支撑大量的二氧化钛 二氧化硅，钛醇盐和醇水溶液反应以生产二氧化钛 - 二氧化钛复合物，所述二氧化钛 - 二氧化钛复合物与二氧化钛反应，其与氯化钛和醇水溶液反应以生产二氧化硅 - 二氧化钛复合物粉末，其用硅油或 脂肪酸皂以生产双重二氧化硅 - 二氧化钛复合粉末。
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公开(公告)号：KR100332214B1
公开(公告)日：2002-04-12
申请号：KR1019990020004
申请日：1999-06-01
Applicant: 한국화학연구원
Abstract: 본발명은제지의보류및 탈수향상제에관한것으로서, 더욱상세하게는제지생산공정에서적용되는보류및 탈수향상제를제조함에있어음이온성폴리실리식산을무기원료로하고양이온성폴리아크릴아미드를유기원료로하여혼성(hybrid)결합시켜제조함으로써, 지료중에함유되어있는미세분의보류를증가시키고지료중의물을용이하게제거하여제지생산공정의경제성과생산성을크게향상시킬수 있는제지의보류및 탈수향상제에관한것이다.
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公开(公告)号：KR100142923B1
公开(公告)日：1998-07-15
申请号：KR1019940016708
申请日：1994-07-12
Applicant: 한국화학연구원
Abstract: 본 발명은 제지용 피치 콘트롤제(Pitch Controlling Agent)와 그의 제조방법에 관한 것으로서, 더욱 상세하게는 활석광물을 건식 미분쇄처리하여 얻은 활석분체의 입자표면을 물로 세정하고 염산으로 1차 개질처리한 다음 보류향상제 또는 분산제 등으로 2차 개질처리하여 제조됨으로써, 피치 제거효과가 높은 새로운 제지용 피치 콘트롤제와 그의 제조방법에 관한 것이다.
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公开(公告)号：KR1019960006232B1
公开(公告)日：1996-05-11
申请号：KR1019930026918
申请日：1993-12-08
Applicant: 한국화학연구원
IPC: C04B35/18
Abstract: The high purity and ultrafine alumina is prepared by (a) mixing sodium-containing aluminum hydroxide with nature silica stone powder and firing, (b) separating sodium-adsorbed silica stone powder with sieving, (c) milling the separated powder in the wet ball mill and 5% hydrochloric acid solution to remove sodium on the surface of alumina and to diminish the particle size of alumina up to 1 micrometer.
Abstract translation: 高纯度和超细氧化铝的制备方法是：（a）将含有氢氧化铝的氢氧化钠与天然石英石粉混合并焙烧，（b）用筛分法分离吸附的二氧化硅石粉，（c）在湿球中研磨分离的粉末 研磨和5％盐酸溶液以除去氧化铝表面上的钠，并将氧化铝的粒径降低至1微米。
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