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公开(公告)号：KR101571532B1
公开(公告)日：2015-11-24
申请号：KR1020140103836
申请日：2014-08-11
Applicant: 한국화학연구원
Abstract: 본발명은불소계수지의일종인비닐리덴플루오라이드중합체(Polyvinylidene fluoride, PVDF)를제조하기위한기본단량체인비닐리덴플루오라이드(VDF, Vinylidene Fluoride)를제조하기위한제조방법및 저탄화제조장치에관한것으로, 본발명에따른비닐리덴플루오라이드(VDF, Vinylidene Fluoride)를제조하기위한장치및 제조방법은 100%에근접하는전환율을가질뿐만아니라, 사이클론오리피스(cyclone orifice) 형혼합기를열분해반응기에도입하여탄화정도를감소시킴으로써내구성이향상되었으므로고순도의 VDF를장시간운전하며용이하게제조할수 있는효과가있다.
Abstract translation: 本发明涉及低碳化制备系统和制备偏二氟乙烯（VDF）的方法，其是制备聚偏二氟乙烯聚合物（PVDF）的基本单体。 PVDF是一种氟系树脂。 根据本发明，用于制备VDF的方法和设备具有接近100％的转化率，并且将旋风喷孔混合器应用于热分解反应器以降低碳化程度，从而提高耐久性。 因此，本发明可以容易地制备高纯度VDF并进行长时间的VDF制备操作。
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公开(公告)号：KR101512435B1
公开(公告)日：2015-04-16
申请号：KR1020130157100
申请日：2013-12-17
Applicant: 한국화학연구원
IPC: H01L31/049
CPC classification number: Y02E10/50 , H01L31/049
Abstract: 본발명은태양전지용백시트및 이를포함하는태양전지에관한것으로, 보다상세하게는기재필름위에불소계중합체및 비불소계바인더를포함하는프라이머층및 불소계중합체를포함하는내후성코팅층으로구성된이중충구조의코팅층을형성함으로써, 기재필름과의접착력이우수하고, 내후성이향상된태양전지용백시트및 이를포함하는태양전지에관한것이다.
Abstract translation: 本发明涉及一种用于太阳能电池的背板及其太阳能电池，更具体地，涉及一种太阳能电池用背板，其包括在背衬膜上包含含氟聚合物和非氟化粘合剂的底漆层 以及由包含氟化聚合物的耐候性涂层制成的双层涂层，从而对背衬膜具有强粘合性并改善耐候性。
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公开(公告)号：KR1020110109046A
公开(公告)日：2011-10-06
申请号：KR1020100028593
申请日：2010-03-30
Applicant: 한국화학연구원
CPC classification number: Y02P20/582 , C07G1/00 , D21C1/06 , D21C5/00 , D21C9/02
Abstract: 본 발명은 알칼리 펄핑 공정에서 발생하는 흑액(black liquor)을 원료로 하여 아세틸화된 리그닌을 제조하는 방법에 관한 것이다.
본 발명에 의한 제조 방법은 투입되는 원료 및 산성액의 양을 최소로 하며, 산성 폐액의 양을 획기적으로 감소시켜 별도로 폐액처리 장치를 요하지 아니하는 등 제조 공정의 환경적, 비용적 문제를 획기적으로 개선할 수 있다. 기존 공정에서 문제가 되었던 과다한 환경처리 비용과 낮은 수율, 높은 반응물 소모율 등에 따른 낮은 경제성과 환경 오염의 문제를 획기적으로 개선할 수 있는 친환경 녹색 성장 기술이다.-
公开(公告)号：KR1020100054570A
公开(公告)日：2010-05-25
申请号：KR1020080113536
申请日：2008-11-14
Applicant: 한국화학연구원
CPC classification number: Y02P20/544
Abstract: PURPOSE: A producing method of furfural is provided to reduce the manufacturing cost of the furfural by decreasing the catalyst loss rate, and by using a tungsten catalyst with chemical stability. CONSTITUTION: A producing method of furfural using xylose or hemicelluloses as a raw material comprises the following steps: converting the raw material into the furfural using a solid acid catalyst deposited with isopolytungstate to a zirconia supporting body in a reacting medium including supercritical fluid; and extracting and separating the furfural by spraying the supercritical fluid into the reacting medium The solid acid catalyst is formed depositing a isopolytungstate precursor to the zirconia supporting body and plasticizing the outcome at 700~1,200 deg C.
Abstract translation: 目的：提供糠醛的生产方法，通过降低催化剂损失率，并通过使用具有化学稳定性的钨催化剂来降低糠醛的制造成本。 构成：使用木糖或半纤维素作为原料的糠醛的制造方法包括以下步骤：将使用异多钨酸盐沉积的固体酸催化剂的原料转化为糠醛至包含超临界流体的反应介质中的氧化锆载体; 并通过将超临界流体喷射到反应介质中来提取和分离糠醛。形成固体酸催化剂，其在氧化锆载体上沉积多异硫钨酸前体，并在700〜1200℃下塑化结果。
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公开(公告)号：KR100447942B1
公开(公告)日：2004-09-08
申请号：KR1020010039665
申请日：2001-07-04
Applicant: 한국화학연구원
Abstract: PURPOSE: A maintenance of membranes by prefiltration at high pressure and by cleaning their microstructures with supercritical fluids is provided, in which contamination of main separation membrane is minimized by cleaning the pre-treatment filtration media, with the cleaning being conducted by stabilizing and forcibly adsorbing the hydrophilic or hydrophobic contaminants at high pressure of 2 to 20 atm higher than the saturation pressure of bubble. And the regeneration of main separation membrane is conducted within a shortened time by washing the surface and pore inside of the separation membrane by using supercritical fluids without any restrictions of sort, figure, process concerning with the separation membrane. CONSTITUTION: The method comprises two steps of minimizing contamination of the pre-treatment separation membrane and regeneration performance of the main separation membrane. The minimization method comprises stabilizing the subject material to separate at a state of 2 to 20 atm higher than the saturation pressure of bubble at the pre-treatment filter media consisting of the same separation membrane or similar material from the hydrophilic or hydrophobic point of view followed by forcible adsorption. The regeneration method of performance of the separation membrane comprises washing the surface and pore inside of the separation membrane by using supercritical fluid of supercritical carbon dioxide or reformed supercritical fluid reformed by methanol, ethanol, and isopropanol followed by drying.
Abstract translation: 目的：通过高压预过滤和用超临界流体清洁它们的微结构来维护膜，其中通过清洁预处理过滤介质而使主分离膜的污染最小化，其中通过稳定和强制吸附进行清洁 在比气泡的饱和压力高2至20atm的高压下的亲水性或疏水性污染物。 并且通过使用超临界流体洗涤分离膜内部的表面和孔而在短时间内进行主分离膜的再生，而没有任何与分离膜有关的分类，图形，工艺的限制。 构成：该方法包括两步：最小化预处理分离膜的污染和主分离膜的再生性能。 最小化方法包括稳定主体材料以在比由相同的分离膜或类似材料构成的预处理过滤介质上的气泡的饱和压力高2至20个气压的条件下从亲水或疏水的角度分离 通过强制吸附。 分离膜性能的再生方法包括用超临界二氧化碳的超临界流体或用甲醇，乙醇和异丙醇改性的改性超临界流体洗涤分离膜的表面和孔内，然后干燥。
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Patent Agency Ranking
公开(公告)号：KR100306040B1
公开(公告)日：2001-11-14
申请号：KR1019980037777
申请日：1998-09-14
Applicant: 한국화학연구원
IPC: C08B15/00
CPC classification number: C08B1/00 , C08B15/02 , Y02P20/544
Abstract: (목적) 알파 분율이 매우 높은 섬유성 물질을 포함한 모든 섬유성 물질을 고가의 부식성 화학물질을 사용하지 않고, 분자량 손실이 매우 적게 구조 변화시켜 가공용매, 반응물에 대한 친화력을 높이는 방법과 섬유소 용해액 또는 당 또는 알코올을 제조하는 원료로 제공한다.
(구성) 섬유성 물질을 가성소다수 또는 암모니아수로 전처리한 건조 또는 부분 건조한 것을 200∼500atm, 35°∼200℃에서 초임계 이산화탄소를 섬유소 사슬에 침투시킨 후, 폭쇄를 2회 이상 반복함을 특징으로 하는 섬유성 물질의 미세구조 변환 방법과 섬유소 용해액 또는 당 또는 알코올을 제조하는 원료로 제공한다.-
公开(公告)号：KR1020000031378A
公开(公告)日：2000-06-05
申请号：KR1019980047392
申请日：1998-11-05
Applicant: 한국화학연구원
IPC: C07D307/48
CPC classification number: Y02P20/544
Abstract: PURPOSE: Amount of waste is reduced by changing catalyst from liquid acid to solid acid and furfural with high purity, good yield ratio and low cost of operation and process is provided. CONSTITUTION: The raw material is xylose and hemicellulose and solid acid is used as a catalyst. Solid acid makes acid catalyst separate easily and improve economy of process. Titanium catalyst is adjusted to pH 9-10 by hydrolysis of TiCl4 and put into sulfuric acid. Zirconium catalyst is produced as the same using zirconylchlroride-8-hydrate. Supercritical fluid is used as a medium of reaction and extraction to prevent exhaustion of furfural produced from reaction. The device for concentrating and refining furfural comprises furfural refining tower, separation device, extraction device and fluid supplying device. The refining tower is manufactured in the form of packed tower or tray tower and fluid extraction which contains furfural is concentrated by reflux in the tower.
Abstract translation: 目的：通过将催化剂从液态酸变为固体酸和糠醛，高纯度，良好的产率和低成本的操作和工艺提供了废物量。 构成：原料为木糖，半纤维素和固体酸用作催化剂。 固体酸使酸催化剂容易分离，提高工艺经济性。 钛催化剂通过TiCl4的水解调节至pH 9-10，并放入硫酸中。 锆催化剂-8水合物也可以使用锆催化剂。 超临界流体用作反应和萃取的介质，以防止由反应产生的糠醛耗尽。 糠醛浓缩和精制装置包括糠醛精炼塔，分离装置，萃取装置和流体供应装置。 精炼塔以填充塔或塔塔的形式制造，含有糠醛的流体萃取物通过回流在塔中浓缩。
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公开(公告)号：KR1020000019598A
公开(公告)日：2000-04-15
申请号：KR1019980037777
申请日：1998-09-14
Applicant: 한국화학연구원
IPC: C08B15/00
CPC classification number: C08B1/00 , C08B15/02 , Y02P20/544
Abstract: PURPOSE: A process for changing the structure of all cellulosic materials, including cellulosic material having a high alpha-fraction is provided which enhances its affinity to the processing solvents or the reactants without using expensive and/or corrosive chemicals and with less loss of molecular weight and provides raw material for producing sugars and alcohols. CONSTITUTION: A process for changing the structure of all cellulosic materials, including the cellulosic materials having a high alpha-fraction to enhance its affinity to processing solvents or reactants without using expensive and/or corrosive chemicals and with less loss of molecular weight comprises: (a)pretreating the cellulosic materials with caustic soda or ammonia water; (b)drying them totally or partially; (c)making supercritical carbon dioxide penetrate into cellulose chains at 35-200°C under 200-500 atm; and (d)subjecting them to the repeated chain explosion treatments more than twice. Also are disclosed the methods of producing cellulose solutions or the feedstock of reducing sugars or alcohols. The resulting materials can be used as raw material for cellulose solution or the feedstock for the production of reducing sugars or alcohols.
Abstract translation: 目的：提供一种改变所有纤维素材料结构的方法，包括具有高α分数的纤维素材料，其增强了其对加工溶剂或反应物的亲和力，而不使用昂贵的和/或腐蚀性的化学物质，并且具有较小的分子量损失 并提供生产糖和醇的原料。 构成：改变所有纤维素材料的结构的方法，包括具有高α分数的纤维素材料，以增强其对加工溶剂或反应物的亲和力，而不使用昂贵的和/或腐蚀性的化学品，并且具有更少的分子量损失包括：（ a）用苛性钠或氨水预处理纤维素材料; （b）全部或部分干燥; （c）使超临界二氧化碳在35-200℃，200-500大气压下渗透到纤维素链中; 和（d）使他们重复进行链式爆炸治疗两次以上。 还公开了生产纤维素溶液或还原糖或醇的原料的方法。 所得材料可用作纤维素溶液的原料或用于生产还原糖或醇的原料。
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公开(公告)号：KR1019950000828A
公开(公告)日：1995-01-03
申请号：KR1019930010165
申请日：1993-06-05
Applicant: 한국화학연구원
IPC: C09K5/00
Abstract: 목적 : R-134a를 냉동기로 사용한 가정용 냉장고용 냉동기유의 제조방법에 관한 것이다.
구성 : 펜타에리스리톨, 2-에틸헥실산 및 2-메틸헥실산을 반응시켜서 냉동기유를 제조함에 있어서, 펜타에리스리톨, 2-에틸헥실산, 2-메틸헥실산 등에 펜타에리스리톨, 2-에틸헥실산, 2-메틸헥실산 등 미리 반응시킨 물질을 용매로 첨가 반응시켜서 된 R-134a를 냉매로 사용한 가정용 냉장고용 냉동기유의 제조방법으로서 반응시간의 단축으로 인하여 열손실을 최소화하여 제조원자의 절감과 최종생성물이 변색이 덜 되는 작용효과가 있다.-
公开(公告)号：KR1020200078720A
公开(公告)日：2020-07-02
申请号：KR1020180166493
申请日：2018-12-20
Applicant: 한국화학연구원
IPC: C08F214/24 , C08F214/22 , C08F259/08 , C08L27/24 , C08L27/16 , C08J5/18 , C09D127/24 , C09D127/16 , A61M1/36
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