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公开(公告)号：KR101419908B1
公开(公告)日：2014-07-16
申请号：KR1020130063035
申请日：2013-05-31
Applicant: 충남대학교산학협력단
Abstract: Disclosed are a high crystalline TIOF2 and a method of preparing the same. According to the present invention, the method of preparing a high crystalline TIOF2 includes: a first step (1) of preparing a titanium dioxide precursor solution by mixing an alcohol and a titanium dioxide precursor; a second step (2) of adjusting a pH by adding an acid to a solution obtained through the first step; a third step (3) of gelling a mixture solution obtained through the second step; and a fourth step (4) of preparing TIOF2 by settling a resultant mixture obtained through the third step in a reactor and injecting a nitrogen trifluoride to the reactor to react with the resultant mixture. The present invention can provide a high crystalline TIOF2 with a uniform shape in a nano-size by even a simple process.
Abstract translation: 公开了高结晶TIOF2及其制备方法。 根据本发明，制备高结晶TIOF2的方法包括：通过混合醇和二氧化钛前体制备二氧化钛前体溶液的第一步骤（1） 通过向通过第一步获得的溶液中加入酸来调节pH的第二步骤（2）; 第三步骤（3），其通过第二步骤获得的混合溶液胶凝; 以及通过将通过第三步骤获得的所得混合物沉淀在反应器中并将三氟化氮注入反应器以与所得混合物反应来制备TIOF2的第四步骤（4）。 本发明可以通过简单的工艺提供具有纳米尺寸均匀形状的高结晶TIOF2。
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公开(公告)号：KR101059527B1
公开(公告)日：2011-08-26
申请号：KR1020090002236
申请日：2009-01-12
Applicant: 충남대학교산학협력단
Abstract: 폴리아크릴로니트릴계 중공사 분리막의 표면을 개질시키는 방법이 개시된다.
본 발명에 따른 폴리아크릴로니트릴계 중공사 분리막의 표면 개질 방법은, (1) 폴리아크릴로니트릴계 중공사 분리막을 반응기에 장착시키고, 대기압 플라즈마 처리를 하는 단계; (2) 상기 '단계 (1)'의 과정을 거친 중공사 분리막에 산소가스를 반응시키는 단계; 및 (3) 상기 '단계 (2)'의 과정을 거친 중공사 분리막에 불소와 비활성 기체의 혼합가스를 반응시켜, 폴리아크릴로니트릴계 중공사 분리막의 표면을 친수성으로 개질시키는 단계;를 포함하여 이루어진다.
중공사 분리막, 폴리아크릴로니트릴계, 표면 개질, 플라즈마, 산소, 불소-
公开(公告)号：KR101156671B1
公开(公告)日：2012-06-15
申请号：KR1020090075049
申请日：2009-08-14
Applicant: 충남대학교산학협력단
IPC: B82B3/00
Abstract: PURPOSE: A method for manufacturing an electromagnetic wave shielding agent and an absorbent is provided to obtain porous nano silicon carbide with excellent oxidation resistance at high temperature and properties. CONSTITUTION: A method for manufacturing an electromagnetic wave shielding agent and an absorbent comprises the steps of: mixing polymer precursors and silicon compounds, or polymer precursors, silicon compounds and conductive carbon material, with a solvent; electrospinning the mixture; heat-treating the electrospinned product to prepare porous nano silicon carbide with excellent oxidation resistance at high temperature; and preparing an electromagnetic wave shielding agent and an absorbent using the porous nano silicon carbide.
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公开(公告)号：KR1020110017536A
公开(公告)日：2011-02-22
申请号：KR1020090075049
申请日：2009-08-14
Applicant: 충남대학교산학협력단
IPC: B82B3/00
Abstract: PURPOSE: A method for manufacturing an electromagnetic wave shielding agent and an absorbent is provided to obtain porous nano silicon carbide with excellent oxidation resistance at high temperature and properties. CONSTITUTION: A method for manufacturing an electromagnetic wave shielding agent and an absorbent comprises the steps of: mixing polymer precursors and silicon compounds, or polymer precursors, silicon compounds and conductive carbon material, with a solvent; electrospinning the mixture; heat-treating the electrospinned product to prepare porous nano silicon carbide with excellent oxidation resistance at high temperature; and preparing an electromagnetic wave shielding agent and an absorbent using the porous nano silicon carbide.
Abstract translation: 目的：提供一种制造电磁波屏蔽剂和吸收剂的方法，以获得在高温下具有优异抗氧化性的多孔纳米碳化硅和性能。 构成：制造电磁波屏蔽剂和吸收剂的方法包括以下步骤：将聚合物前体和硅化合物或聚合物前体，硅化合物和导电碳材料与溶剂混合; 静电混合; 对电纺产品进行热处理，制备高温耐氧化性优良的多孔纳米碳化硅; 并制备电磁波屏蔽剂和使用多孔纳米碳化硅的吸收剂。
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Patent Agency Ranking
公开(公告)号：KR1020110014426A
公开(公告)日：2011-02-11
申请号：KR1020090072089
申请日：2009-08-05
Applicant: 충남대학교산학협력단
CPC classification number: B01J35/004 , B01J21/063 , B01J37/009 , B01J37/04 , B01J37/08 , B01J37/26
Abstract: PURPOSE: A producing method of an anatase titanium oxide optical catalyst, and the anatase titanium oxide optical catalyst are provided to activate an anatase titanium oxide by weak visible rays with the excellent light resolution ability. CONSTITUTION: A producing method of an anatase titanium oxide optical catalyst responsive to visible rays comprises the following steps: mixing an anatase titanium oxide with a monosaccharide material; adding a dehydrating agent into the mixture; dehydrating the mixture by heating; filtering the obtained product with water for removing foreign materials; drying the obtained product; and processing the product with fluorine.
Abstract translation: 目的：提供锐钛矿型氧化钛光学催化剂的制造方法和锐钛矿型氧化钛光学催化剂，以通过弱可见光激发锐钛矿型氧化钛，具有优异的光分辨能力。 构成：对可见光进行响应的锐钛型二氧化钛光学催化剂的制造方法包括以下步骤：将锐钛矿型氧化钛与单糖材料混合; 向混合物中加入脱水剂; 通过加热使混合物脱水; 用水去除所得产品以除去异物; 干燥得到的产品; 并用氟处理产品。
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公开(公告)号：KR1020100082937A
公开(公告)日：2010-07-21
申请号：KR1020090002236
申请日：2009-01-12
Applicant: 충남대학교산학협력단
Abstract: PURPOSE: A surface modifying method of a polyacrylonitrile hollow fiber membrane is provided to prevent degradation of filtering performance for a long time and to improve good water separation performance. CONSTITUTION: A surface modifying method of a polyacrylonitrile hollow fiber membrane includes the following steps: processing atmospheric pressure plasma after mounting the polyacrylonitrile hollow fiber membrane to a reactor; reacting the hollow fiber membrane with oxygen gas; reacting mixed gas of inert gas and florin with the hollow fiber membrane; and modifying the surface of the polyacrylonitrile hollow fiber membrane to hydrophilic property. An atmospheric pressure plasma process is performed for 10 ~ 100 seconds.
Abstract translation: 目的：提供聚丙烯腈中空纤维膜的表面改性方法，以防止长时间的过滤性能下降，提高良好的水分离性能。 构成：聚丙烯腈中空纤维膜的表面改性方法包括以下步骤：在将聚丙烯腈中空纤维膜安装到反应器之后处理大气压等离子体; 中空纤维膜与氧气反应; 使惰性气体和氟里芬的混合气体与中空纤维膜反应; 并将聚丙烯腈中空纤维膜的表面改性为亲水性。 进行大气压等离子体处理10〜100秒。
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公开(公告)号：KR101566959B1
公开(公告)日：2015-11-16
申请号：KR1020140105221
申请日：2014-08-13
Applicant: 충남대학교산학협력단
Abstract: 내염화성셀룰로오스계탄소섬유제조방법및 이에의해제조된셀룰로오스계탄소섬유가개시된다. 본발명의내염화성셀룰로오스계탄소섬유제조방법은, (a) 셀룰로오스섬유의수분을제거하는단계; (b) 상기수분이제거된셀룰로오스섬유에할로겐가스를제공하되, 상기할로겐가스의온도가반응시간경과에따라점차저온범위에서고온범위로상승하도록하면서상기셀룰로오스섬유를내염화하는단계; 및 (c) 상기셀룰로오스섬유를탄화하여셀룰로오스계탄소섬유를제조하는단계를포함하는것을특징으로한다. 본발명에의하면, 저온에서할로겐가스를주입한후 고온으로반응온도를상승시켜기상할로겐내염화처리를진행함으로써, 종래공기분위기에서내염화처리를진행하는것에비해낮은온도에서짧은시간동안신속하게내염화공정을진행할수 있을뿐만아니라, 종래직접기상할로겐화반응에비해내염화처리과정에서재료의손상이발생하는것을최대한방지할수 있게된다.
Abstract translation: 公开了一种制造阻燃纤维素类碳纤维和纤维素类碳纤维的方法。 本发明的阻燃纤维素系碳纤维的制造方法包括以下步骤：（a）除去纤维素纤维的水分; （b）向除去水的纤维素纤维提供卤素气体，同时对纤维素纤维进行阻燃处理，同时随着反应时间将卤素气体的温度从低温范围提高到高温范围; 和（c）将纤维素纤维碳化以制造纤维素类碳纤维。 本发明通过在低温下注入卤素气体后将反应温度提高到高温进行气相卤素阻燃剂处理，从而与常规直接气体相比尽可能地防止阻燃剂处理过程中材料的损害 与在常规方法中在空气气氛下进行阻燃处理相比，在低温下的短时间内快速进行阻燃处理。
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公开(公告)号：KR1020150125801A
公开(公告)日：2015-11-10
申请号：KR1020140052490
申请日：2014-04-30
Applicant: 충남대학교산학협력단
IPC: C10C3/00
Abstract: 방사선을이용한등방성피치제조방법및 이에의해제조된등방성피치가개시된다. 본발명의방사선을이용한등방성피치제조방법은, 등방성피치를제조하는방법으로서, (a) 탄소원과촉매를분산혼합하는단계; (b) 상기분산혼합된혼합물을열처리하는단계; 및 (c) 상기열처리된혼합물에방사선을조사하는단계를포함하는것을특징으로한다. 본발명에의하면, 방사선을조사하여종래의피치개질방법보다상대적으로낮은온도에서단시간에피치를개질할수 있도록함으로써, 피치를개질하는데소요되는에너지및 시간을절약할수 있다.
Abstract translation: 公开了使用辐射制造各向同性沥青的方法，以及由此产生的各向同性沥青。 使用辐射制造各向同性沥青的方法是制造各向同性沥青的方法，其包括以下步骤：（a）分散和混合碳源和催化剂; （b）加热分散混合的混合物; 和（c）向加热的混合物照射辐射。 根据本发明，与传统的间距改变方法相比，照射辐射，并且可以在相对较低的温度下在短时间内改变间距，因此可以节省用于修改节距的能量和时间。
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公开(公告)号：KR101072589B1
公开(公告)日：2011-10-11
申请号：KR1020090072089
申请日：2009-08-05
Applicant: 충남대학교산학협력단
Abstract: 본발명에따른가시광선응답형아나타제산화티탄광촉매의제조방법은, (1) 아나타제산화티탄에단당류물질을혼합하는단계; (2) 상기 '단계 (1)'의과정을통하여얻어진혼합물에탈수제를첨가하는단계; (3) 상기 '단계 (2)'의과정을통하여얻어진혼합물을가열하여탈수반응을시키는단계; (4) 상기 '단계 (3)'의과정을통하여얻어진물질에포함되어있는불순물을제거하기위하여물로여과하는단계; (5) 상기 '단계 (4)'의과정을통하여얻어진물질을건조하는단계; 및 (6) 상기 '단계 (5)'의과정을통하여얻어진물질을불소처리하는단계를포함하여이루어진다.
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