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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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Patent Agency Ranking
公开(公告)号：KR100427260B1
公开(公告)日：2004-04-17
申请号：KR1020010030713
申请日：2001-06-01
Applicant: 한국화학연구원
IPC: C01B33/12
Abstract: PURPOSE: A preparation method of micron-size silica is provided which is economical by controlling particle size distribution and shape of silica and using an ordinary crusher such as ball mill or vibration mill. CONSTITUTION: The preparation method of micron-size silica is characterized in that silica particles are wet crushed under the existence of a water system medium using a crushing medium selected from balls, rods and pebbles, wherein the silica particle, water system medium and crushing medium are contained in a volume ratio of 20 to 40 : 20 to 40 : 40 to 80 vol.%, the silica particles are synthesized in a wet process and has a moisture content of 60 to 80 wt.% and an average particle diameter of 300 to 340 micrometers, the water system medium is one or more mediums selected from water, alcohols and mineral oil, the balls are alumina balls having a diameter of 5 to 10 mm, the wet crushing treatment is performed under the conditions that crushing time is 0.5 to 3 hours, rotation speed of the ball mill is 60 revolutions per minute, and vibration number of the vibration mill is 1000 vibrations per minute, and the micron-size silica prepared by the preparation method has a maximum particle diameter less than 100 micrometers and an average particle diameter of 0.8 to 12.8 micrometers.
Abstract translation: 目的：通过控制二氧化硅的粒度分布和形状以及使用普通的破碎机如球磨机或振动磨机来提供经济的微米级二氧化硅的制备方法。 构成：微米级二氧化硅的制备方法，其特征在于，使用选自球，棒和卵石的粉碎介质，在水系介质存在下湿法粉碎二氧化硅颗粒，其中二氧化硅颗粒，水系介质和粉碎介质 以体积比20〜40：20〜40：40〜80体积％的比例含有时，二氧化硅粒子以湿式法合成，水分量为60〜80重量％，平均粒径为300 水系介质为选自水，醇类和矿物油中的1种以上的介质，球为直径5〜10mm的氧化铝球，湿式粉碎处理在粉碎时间为0.5 至3小时，球磨机的转速为60转/分钟，振动磨机的振动次数为1000次/分钟，并且通过制备方法制备的微米级二氧化硅具有最大颗粒 直径小于100微米，平均粒径为0.8至12.8微米。
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公开(公告)号：KR1020020091906A
公开(公告)日：2002-12-11
申请号：KR1020010030713
申请日：2001-06-01
Applicant: 한국화학연구원
IPC: C01B33/12
CPC classification number: C01B33/18 , C01P2004/32 , C01P2004/51 , C01P2004/61 , C01P2004/62
Abstract: PURPOSE: A preparation method of micron-size silica is provided which is economical by controlling particle size distribution and shape of silica and using an ordinary crusher such as ball mill or vibration mill. CONSTITUTION: The preparation method of micron-size silica is characterized in that silica particles are wet crushed under the existence of a water system medium using a crushing medium selected from balls, rods and pebbles, wherein the silica particle, water system medium and crushing medium are contained in a volume ratio of 20 to 40 : 20 to 40 : 40 to 80 vol.%, the silica particles are synthesized in a wet process and has a moisture content of 60 to 80 wt.% and an average particle diameter of 300 to 340 micrometers, the water system medium is one or more mediums selected from water, alcohols and mineral oil, the balls are alumina balls having a diameter of 5 to 10 mm, the wet crushing treatment is performed under the conditions that crushing time is 0.5 to 3 hours, rotation speed of the ball mill is 60 revolutions per minute, and vibration number of the vibration mill is 1000 vibrations per minute, and the micron-size silica prepared by the preparation method has a maximum particle diameter less than 100 micrometers and an average particle diameter of 0.8 to 12.8 micrometers.
Abstract translation: 目的：提供微米级二氧化硅的制备方法，通过控制二氧化硅的粒度分布和形状，并使用普通的破碎机如球磨机或振动磨，是经济的。 构成：微米级二氧化硅的制备方法的特征在于，使用选自球，棒和鹅卵石的破碎介质，在水系介质存在下将二氧化硅颗粒湿法压碎，其中二氧化硅颗粒，水系介质和破碎介质 的体积比为20〜40：20〜40：40〜80体积％，二氧化硅粒子以湿法合成，水分含量为60〜80重量％，平均粒径为300 至340微米，水系介质为选自水，醇和矿物油的一种或多种介质，球为直径为5至10mm的氧化铝球，在破碎时间为0.5的条件下进行湿式破碎处理 至3小时，球磨机的转速为60转/分钟，振动磨的振动次数为每分钟1000次振动，通过制备方法制备的微米级二氧化硅具有最大粒子 直径小于100微米，平均粒径为0.8至12.8微米。
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公开(公告)号：KR1019960011319B1
公开(公告)日：1996-08-22
申请号：KR1019930026917
申请日：1993-12-08
Applicant: 한국화학연구원
IPC: C04B14/20
CPC classification number: C04B18/021 , C04B14/08 , C04B14/20
Abstract: The lightweight aggregate having clay minerals and diatomaceous earth comprises 70-80 wt.% fine mica as major component, 5-30 wt.% clay minerals and 0-5 wt. % fine diatomaceous earth as minor component. This lightweight aggregate is a pelletized material containing 20 % water, and has a dry density of 1.0 g/cm2 or more, water absorption of less than 15% for 24hrs, and compressive strength of 60 kg/cm2 or more.
Abstract translation: 具有粘土矿物和硅藻土的轻质骨料包含70-80重量％的微云母作为主要成分，5-30重量％粘土矿物和0-5重量％ ％细硅藻土作为次要成分。 该轻质骨料是含有20％水的造粒材料，干密度为1.0g / cm 2以上，吸水率小于15％，24小时，抗压强度为60kg / cm 2以上。
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公开(公告)号：KR1019910005025B1
公开(公告)日：1991-07-22
申请号：KR1019890006467
申请日：1989-05-15
Applicant: 한국화학연구원
IPC: C04B38/10
Abstract: lightweight ceramic brick having 0.08-1.5 mm micropore, 0.3-0.9 g/cm3 bulk density and 5-30 kg/cm2 compressive strength is produced by foaming a slurry as a ceramic raw material with a foaming agent, mixing the foamed material with a viscosity- controlling agent and strength-promoting agent, and molding, drying and firing the mixt. The slurry has 7-14 of hydrogen- ion concentration coefficient. The ceramic brick is used as a furnace material and low-temp. plant material.
Abstract translation: 通过使用发泡剂使作为陶瓷原料的浆料发泡，将发泡材料与粘度相混合来制造具有0.08-1.5mm微孔，0.3-0.9g / cm3堆积密度和5-30kg / cm2抗压强度的轻质陶瓷砖 - 控制剂和强力促进剂，以及成型，干燥和焙烧混合物。 该浆料具有7-14的氢离子浓度系数。 陶瓷砖用作炉料和低温。 植物材料。
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