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公开(公告)号：KR100567447B1
公开(公告)日：2006-04-04
申请号：KR1020040028767
申请日：2004-04-26
Applicant: 한국화학연구원
IPC: C23F1/46
Abstract: 본 발명은 TFT-LCD 혼합산 폐에칭액으로부터 인산, 질산 및 초산을 초고순도로 분리, 회수하는 방법에 관한 것으로서, 더욱 상세하게는 TFT-LCD 혼합산 폐에칭액을 재활용하는 방법으로, TFT-LCD 기판의 알루미늄 및 합금을 인산, 질산 및 초산이 포함된 혼합산으로 에칭한 후에 배출되는 폐에칭액으로부터 첨가제나 용매의 첨가 없이 경막 용융 결정화 과정과 감압증발 과정을 수행함으로써 초고순도의 인산(H
3 PO
4 ), 질산(HNO
3 ) 및 초산(CH
3 COOH)을 각각 분리, 회수하는 방법에 관한 것이다.
TFT-LCD 혼합산 폐에칭액, 인산, 질산, 초산-
公开(公告)号：KR100435520B1
公开(公告)日：2004-06-10
申请号：KR1020020014696
申请日：2002-03-19
Applicant: 한국화학연구원
IPC: C08F6/12
Abstract: PURPOSE: A method for preparing a spherical low molecular weight polyethylene wax is provided, to simplify the reaction and to reduce the cost by using no polymerization catalyst and employing no pulverizing or separating process. CONSTITUTION: The method comprises the steps of heating a low molecular weight polyethylene wax at a temperature above a melting point to evaporate the unreacted oil component contained in the wax and to remove the deposited ash; dissolving the low molecular weight polyethylene wax in a good solvent to prepare a transparent homogeneous solution; heating a non-solvent having no dissolving power to the low molecular weight polyethylene wax, at a temperature above a melting point of the low molecular weight polyethylene wax; mixing the homogeneous solution and the non-solvent; cooling the obtained mixture to a temperature below the crystallization temperature of the low molecular weight polyethylene wax to prepare an emulsion by emulsion crystallization; and filtering the emulsion to obtain a spherical low molecular weight polyethylene wax, washing the spherical low molecular weight polyethylene wax with a solvent to remove the good solvent and non-solvent contained in the wax and drying the spherical low molecular weight polyethylene wax. Preferably the good solvent is a linear alkanol; and the non-solvent is a divalent alcohol or a polyol.
Abstract translation: 目的：提供一种制备球形低分子量聚乙烯蜡的方法，以简化反应并通过不使用聚合催化剂和不使用粉碎或分离过程来降低成本。 组成：该方法包括以下步骤：在高于熔点的温度下加热低分子量聚乙烯蜡以蒸发蜡中所含的未反应油组分，并除去沉积灰; 将低分子量聚乙烯蜡溶解在良溶剂中以制备透明均匀溶液; 在高于低分子量聚乙烯蜡的熔点的温度下将不具有溶解力的非溶剂加热至低分子量聚乙烯蜡; 混合均匀溶液和非溶剂; 将所得混合物冷却至低于低分子量聚乙烯蜡的结晶温度的温度以通过乳液结晶制备乳液; 并过滤乳液以获得球形低分子量聚乙烯蜡，用溶剂洗涤球形低分子量聚乙烯蜡以除去蜡中所含的良溶剂和非溶剂并干燥球形低分子量聚乙烯蜡。 优选的良溶剂是直链烷醇; 非溶剂是二元醇或多元醇。
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公开(公告)号：KR100417059B1
公开(公告)日：2004-02-05
申请号：KR1020010022578
申请日：2001-04-26
Applicant: 한국화학연구원
IPC: C08J11/02
Abstract: PURPOSE: Provided is a method for crystallizing polyethylene wax and fractionating the wax according to average molecular weight with narrow molecular weight distribution, so as to purify the wax in high purity. CONSTITUTION: The method comprises the steps of (i) mixing a crystallizing solvent having concentration of 1-95% and a raw material in a crystallizer(S1); (ii) elevating temperature of the mixture so as to liquidize the raw material(S2); (iii) cooling temperature of the mixture at supercooling temperature of 30-110 deg.C and cooling velocity of 0.1-10 deg.C/minute(S3); crystallizing the cooled raw material(S4); and filtrating the crystallized material(S5). The crystallizing solvent is selected from the group consisting of saturated hydrocarbon, ketone, monocyclic aromatic hydrocarbon, polycyclic aromatic hydrocarbon, olefinic hydrocarbon, and mixture thereof.
Abstract translation: 用途：提供一种使聚乙烯蜡结晶并按照平均分子量分级并且分子量分布窄的方法，从而以高纯度纯化蜡的方法。 组成：该方法包括以下步骤：（i）在结晶器（S1）中混合浓度为1-95％的结晶溶剂和原料; （ii）升高混合物的温度以便使原料（S2）液化; （iii）在30-110℃的过冷温度和0.1-10℃/分钟的冷却速度下混合物的冷却温度（S3）; 结晶冷却的原料（S4）; 并过滤结晶材料（S5）。 结晶溶剂选自饱和烃，酮，单环芳烃，多环芳烃，烯烃和它们的混合物。
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公开(公告)号：KR1020020083226A
公开(公告)日：2002-11-02
申请号：KR1020010022578
申请日：2001-04-26
Applicant: 한국화학연구원
IPC: C08J11/02
Abstract: PURPOSE: Provided is a method for crystallizing polyethylene wax and fractionating the wax according to average molecular weight with narrow molecular weight distribution, so as to purify the wax in high purity. CONSTITUTION: The method comprises the steps of (i) mixing a crystallizing solvent having concentration of 1-95% and a raw material in a crystallizer(S1); (ii) elevating temperature of the mixture so as to liquidize the raw material(S2); (iii) cooling temperature of the mixture at supercooling temperature of 30-110 deg.C and cooling velocity of 0.1-10 deg.C/minute(S3); crystallizing the cooled raw material(S4); and filtrating the crystallized material(S5). The crystallizing solvent is selected from the group consisting of saturated hydrocarbon, ketone, monocyclic aromatic hydrocarbon, polycyclic aromatic hydrocarbon, olefinic hydrocarbon, and mixture thereof.
Abstract translation: 目的：提供聚乙烯蜡结晶方法，按照分子量分布窄的平均分子量对蜡进行分馏，以纯化蜡。 方法：该方法包括以下步骤：（1）在结晶器中混合浓度为1-95％的结晶溶剂和原料（S1）; （ii）提高混合物的温度以使原料液化（S2）; （iii）过冷却温度为30-110℃，冷却速度为0.1-10℃/分钟的混合物的冷却温度（S3）; 使冷却的原料结晶（S4）; 并过滤结晶物（S5）。 结晶溶剂选自饱和烃，酮，单环芳烃，多环芳烃，烯烃，及其混合物。
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公开(公告)号：KR100454101B1
公开(公告)日：2004-10-26
申请号：KR1020020014172
申请日：2002-03-15
Applicant: 한국화학연구원
Abstract: PURPOSE: A method and device for purifying phosphate are provided, thereby rapidly and cheaply purifying phosphate. CONSTITUTION: A method for purifying phosphate comprises the steps of: (1) injecting unpurified phosphate(P2O5) material to a vaporization vessel having the temperature of 40 to 200 deg. C to concentrate the concentration of phosphate to 60 to 80%; (2) injecting the concentrated phosphate solution to a crystallization vessel having the temperature of -70 to 20 deg. C to prepare phosphate crystals; and (3) injecting the phosphate crystals to a partial dissolving device having the temperature of 20 to 80 deg. C to partially dissolve the phosphate crystals and stir the solution, wherein the unpurified phosphate material is lower phosphate prepared from phosphate ore by a dry or wet process; the phosphate crystal contains the total content of impurities of 100 to 30,000 ppb.
Abstract translation: 目的：提供了用于纯化磷酸盐的方法和装置，由此快速廉价地纯化磷酸盐。 构成：一种净化磷酸盐的方法，包括以下步骤：（1）将未纯化的磷酸盐（P2O5）物料注入温度为40-200℃的汽化容器中。 C将磷酸盐的浓度浓缩至60至80％; （2）将浓磷酸溶液注入温度为-70至20℃的结晶容器中。 C来制备磷酸盐晶体; （3）将磷酸盐晶体注入温度为20-80℃的部分溶解装置中。 以部分溶解磷酸盐晶体并搅拌溶液，其中未纯化的磷酸盐材料是由磷酸盐矿石通过干法或湿法制备的低磷酸盐; 磷酸盐晶体含有100至30,000ppb的杂质总含量。
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Patent Agency Ranking
公开(公告)号：KR1020030075069A
公开(公告)日：2003-09-22
申请号：KR1020020014172
申请日：2002-03-15
Applicant: 한국화학연구원
CPC classification number: C01B25/234 , C01P2006/80
Abstract: PURPOSE: A method and device for purifying phosphate are provided, thereby rapidly and cheaply purifying phosphate. CONSTITUTION: A method for purifying phosphate comprises the steps of: (1) injecting unpurified phosphate(P2O5) material to a vaporization vessel having the temperature of 40 to 200 deg. C to concentrate the concentration of phosphate to 60 to 80%; (2) injecting the concentrated phosphate solution to a crystallization vessel having the temperature of -70 to 20 deg. C to prepare phosphate crystals; and (3) injecting the phosphate crystals to a partial dissolving device having the temperature of 20 to 80 deg. C to partially dissolve the phosphate crystals and stir the solution, wherein the unpurified phosphate material is lower phosphate prepared from phosphate ore by a dry or wet process; the phosphate crystal contains the total content of impurities of 100 to 30,000 ppb.
Abstract translation: 目的：提供磷酸盐提纯方法和装置，从而快速，廉价地净化磷酸盐。 构成：用于纯化磷酸盐的方法包括以下步骤：（1）将未纯化的磷酸盐（P 2 O 5）材料注入到温度为40至200℃的蒸发容器中。 C浓缩磷酸盐浓度至60〜80％; （2）将浓缩的磷酸盐溶液注入温度为-70〜20℃的结晶容器中。 C制备磷酸盐晶体; 和（3）将磷酸盐晶体注入到温度为20〜80℃的部分溶解装置中。 C部分溶解磷酸盐晶体并搅拌溶液，其中未纯化的磷酸盐物质是通过干法或湿法由磷酸盐矿石制备的较低磷酸盐; 磷酸盐晶体含杂质总含量为100〜30,000ppb。
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公开(公告)号：KR1020050103570A
公开(公告)日：2005-11-01
申请号：KR1020040028767
申请日：2004-04-26
Applicant: 한국화학연구원
IPC: C23F1/46
Abstract: 본 발명은 TFT-LCD 혼합산 폐에칭액으로부터 인산, 질산 및 초산을 초고순도로 분리, 회수하는 방법에 관한 것으로서, 더욱 상세하게는 TFT-LCD 혼합산 폐에칭액을 재활용하는 방법으로, TFT-LCD 기판의 알루미늄 및 합금을 인산, 질산 및 초산이 포함된 혼합산으로 에칭한 후에 배출되는 폐에칭액으로부터 첨가제나 용매의 첨가 없이 경막 용융 결정화 과정과 감압증발 과정을 수행함으로써 초고순도의 인산(H
3 PO
4 ), 질산(HNO
3 ) 및 초산(CH
3 COOH)을 각각 분리, 회수하는 방법에 관한 것이다.-
公开(公告)号：KR100435518B1
公开(公告)日：2004-06-10
申请号：KR1020020014175
申请日：2002-03-15
Applicant: 한국화학연구원
IPC: C08F2/28
Abstract: PURPOSE: Provided is a method for producing spherical polyethylene powder which excludes the need for production of a polymerization catalyst, and simplifies the processing steps to save the costs and to improve the productivity. CONSTITUTION: The method for producing spherical polyethylene powder comprises the steps of: (a) dissolving a polyethylene into a good solvent to form a transparent and homogeneous solution; (b) heating a non-solvent which cannot dissolve polyethylene in a separate container at a temperature higher than the melting temperature of polyethylene; (c) mixing the homogeneous solution of the step (a) with the heated non-solvent of the step (b); (d) cooling the mixture to a temperature lower than the crystallization temperature of polyethylene to form an emulsion; and (e) separating and filtering the emulsion, removing the remaining good solvent and non-solvent with a washing solvent and then drying. The apparatus for producing spherical polyethylene powder comprises the means(1) for dissolving the polyethylene into the good solvent; a means(2) for heating the non-solvent; an agitated crystallizing device(3) for mixing the good solvent with the non-solvent; a filter(4) for recovering spherical polyethylene particles; and a separator(5) for recycling the remaining polyethylene.
Abstract translation: 目的：提供一种不需要生产聚合催化剂的球形聚乙烯粉末的生产方法，并且简化了加工步骤以节省成本并提高生产率。 构成：用于生产球形聚乙烯粉末的方法包括以下步骤：（a）将聚乙烯溶解在良溶剂中以形成透明和均匀的溶液; （b）在高于聚乙烯熔点的温度下，将不能溶解聚乙烯的非溶剂加热到单独的容器中; （c）将步骤（a）的均匀溶液与步骤（b）的加热的非溶剂混合; （d）将混合物冷却至低于聚乙烯结晶温度的温度以形成乳液; 和（e）分离和过滤乳液，用洗涤溶剂除去剩余的良溶剂和非溶剂，然后干燥。 用于生产球形聚乙烯粉末的设备包括用于将聚乙烯溶解到良溶剂中的装置（1） 一个用于加热该非溶剂的装置（2）; 搅拌结晶装置（3），用于将所述良溶剂与所述非溶剂混合; 用于回收球形聚乙烯颗粒的过滤器（4）; 和用于回收剩余聚乙烯的分离器（5）。
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公开(公告)号：KR100417058B1
公开(公告)日：2004-02-05
申请号：KR1020010030779
申请日：2001-06-01
Applicant: 한국화학연구원
IPC: C10G73/44
Abstract: PURPOSE: Provided are a purification method and an equipment for polyethylene wax which is useful as a coloring agent and an lubricant. CONSTITUTION: The purification method of lower polyethylene wax generated form the polymerization of polyethylene slurry, by crystallization comprises the steps of: inserting lower polyethylene wax into a crystallizer; heating the lower polyethylene wax in the crystallizer up; cooling it to crystalize the inside of the crystallizer; melting produced crystals at 80-140 deg. C; and obtaining high purity of crystals therefrom.
Abstract translation: 用途：提供用作着色剂和润滑剂的聚乙烯蜡的提纯方法和设备。 构成：由聚乙烯淤浆聚合产生的低聚乙烯蜡的提纯方法，通过结晶包括以下步骤：将下聚乙烯蜡插入结晶器中; 将结晶器中的较低聚乙烯蜡加热; 冷却它以结晶结晶器的内部; 在80-140℃熔化产生的晶体。 C; 并从中获得高纯度的晶体。
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公开(公告)号：KR1020030075457A
公开(公告)日：2003-09-26
申请号：KR1020020014696
申请日：2002-03-19
Applicant: 한국화학연구원
IPC: C08F6/12
CPC classification number: C08F110/02 , C08F6/14 , C08J3/12 , C08L91/06
Abstract: PURPOSE: A method for preparing a spherical low molecular weight polyethylene wax is provided, to simplify the reaction and to reduce the cost by using no polymerization catalyst and employing no pulverizing or separating process. CONSTITUTION: The method comprises the steps of heating a low molecular weight polyethylene wax at a temperature above a melting point to evaporate the unreacted oil component contained in the wax and to remove the deposited ash; dissolving the low molecular weight polyethylene wax in a good solvent to prepare a transparent homogeneous solution; heating a non-solvent having no dissolving power to the low molecular weight polyethylene wax, at a temperature above a melting point of the low molecular weight polyethylene wax; mixing the homogeneous solution and the non-solvent; cooling the obtained mixture to a temperature below the crystallization temperature of the low molecular weight polyethylene wax to prepare an emulsion by emulsion crystallization; and filtering the emulsion to obtain a spherical low molecular weight polyethylene wax, washing the spherical low molecular weight polyethylene wax with a solvent to remove the good solvent and non-solvent contained in the wax and drying the spherical low molecular weight polyethylene wax. Preferably the good solvent is a linear alkanol; and the non-solvent is a divalent alcohol or a polyol.
Abstract translation: 目的：提供一种制备球形低分子量聚乙烯蜡的方法，以简化反应并通过不使用聚合催化剂并且不使用粉碎或分离方法降低成本。 方案：该方法包括在高于熔点的温度下加热低分子量聚乙烯蜡以蒸发含在蜡中的未反应的油组分并除去沉积的灰分的步骤; 将低分子量聚乙烯蜡溶解在良溶剂中以制备透明均匀溶液; 在低分子量聚乙烯蜡的熔点以上的温度下，向低分子量聚乙烯蜡中加热不溶解力的非溶剂; 混合均匀溶液和非溶剂; 将得到的混合物冷却至低于低分子量聚乙烯蜡的结晶温度的温度，通过乳液结晶制备乳液; 并过滤乳液以获得球形低分子量聚乙烯蜡，用溶剂洗涤球形低分子量聚乙烯蜡以除去蜡中所含的良溶剂和非溶剂，并干燥球形低分子量聚乙烯蜡。 优选的良溶剂是直链烷醇; 非溶剂是二元醇或多元醇。
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