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51.
公开(公告)号:KR1019950017913A
公开(公告)日:1995-07-20
申请号:KR1019930029508
申请日:1993-12-24
Applicant: 한국화학연구원
IPC: C07C69/82
Abstract: 본 발명은 디메틸테레프탈레이트 증류잔사로부터 고순도의 4-카르복시벤즈알데히드를 제조하는 방법에 관한 것으로서, 더욱 상세하게는 디메틸테레프탈레이트(이하, DMT라함) 제조과정에서 필연적으로 배출되는 DMT 증류잔사로부터 복사기의 감광제, 형광표백제 또는 방부제의 제조에 있어서 중간체로 사용되는 4-카르복시벤즈알데히드(이하, 4-CBA라 함)을 고순도로 제조하는 방법에 관한 것이다.
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公开(公告)号:KR101907419B1
公开(公告)日:2018-10-12
申请号:KR1020170084109
申请日:2017-07-03
Applicant: 한국화학연구원
CPC classification number: C08G59/5093 , C08G59/42 , C08G59/44 , C08G59/50 , C08G59/5073 , C08G59/621 , C08K5/3445
Abstract: 본발명은에폭시수지용경화촉진제및 이를이용한에폭시조성물에관한발명이다. 보다구체적으로종래에폭시수지용경화촉진제로사용된바 없는제올라이트형이미다졸레이트구조체(ZIF, zeolitic imidazolate framework)를경화촉진제로사용하고자하며, 이를이용하여장기저장안정성및 열안정성이우수한에폭시조성물을제공하고자한다.
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公开(公告)号:KR101884188B1
公开(公告)日:2018-08-01
申请号:KR1020160159794
申请日:2016-11-29
Applicant: 한국화학연구원
Abstract: 본발명은 a) 반응기내에할로이사이트나노튜브를수용하는단계및 b) 상기반응기내에알콕시실란계표면개질제를포함하는표면개질액을분사하고, 할로이사이트나노튜브에물리적충격을가하는단계를포함하는표면개질된할로이사이트나노튜브의제조방법에관한것으로, 본발명에의한표면개질된할로이사이트나노튜브제조방법은건식공정을이용하여공정을간소화하면서도물리적충격을통해반응효율을향상시키는장점이있다.
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公开(公告)号:KR101842529B1
公开(公告)日:2018-03-27
申请号:KR1020170090489
申请日:2017-07-17
Applicant: 한국화학연구원
IPC: C07D241/04 , C08G65/333 , C08G65/02 , C08G18/48 , C08L83/00
CPC classification number: C07D241/04 , C08G18/485 , C08G65/02 , C08G65/333 , C08L83/00
Abstract: 본발명은화학식 1로표시되는폴리올개시제; 이를이용하여제조된화학식 2의폴리올을제공하고, 상기폴리올을함유하는폴리우레탄제조용폴리올자가촉매, 및이를이용한폴레우레탄제조방법을제공한다. 또한, 상기제조방법에의해제조된폴리우레탄을제공한다. 본발명에따를때, 상기아민계폴리올은자가촉매로반응물로도작용하는바 VOC 저감효과가있는폴리우레탄을제공할수 있다.
Abstract translation: 本发明涉及由通式(1)表示的多元醇引发剂; 为了提供使用其制备的式(2)的多元醇,提供用于含有该多元醇的聚氨酯制造的多元醇自催化剂,以及使用该多元醇制备聚氨酯的方法。 还提供了通过上述生产方法生产的聚氨酯。 根据本发明,胺基多元醇可以提供具有VOC-降低效果的聚氨酯,其也用作与自催化剂的反应物。
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公开(公告)号:KR1020150059407A
公开(公告)日:2015-06-01
申请号:KR1020130142961
申请日:2013-11-22
Applicant: 한국화학연구원
IPC: C07F15/02 , C10L1/18 , C07D491/113
CPC classification number: C07F15/02 , C07D491/113 , C07F17/02 , C10L1/18
Abstract: 본발명은친환경유용성페로센기반연료첨가제의제조방법에관한것으로, 보다상세하게는연료에대하여낮은용해도를갖는페로센의용해도를향상시키기위하여페로센에산성백토(acid clay) 촉매하 무용매조건에서알킬아실기를직접치환시켜모노-알킬아실화페로센을제조하는방법및 제조된모노-알킬아실화페로센을포함하는유용성의연료첨가제에관한것이다.
Abstract translation: 本发明涉及一种基于环保油溶性二茂铁的燃料添加剂的制造方法,更具体地说,涉及一种在不含溶剂的酸性粘土催化剂下直接取代二茂铁中的烷基酰基而制备单烷基酰化二茂铁的方法 以改善二茂铁对于燃料的较低的溶解度,以及用于燃料的油溶性添加剂,包括通过该方法制造的单烷基酰化二茂铁。
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公开(公告)号:KR100808686B1
公开(公告)日:2008-02-29
申请号:KR1020060047918
申请日:2006-05-29
Applicant: 한국화학연구원
Abstract: 본 발명은 나노 금속 촉매가 포함된 펌제용 산화성 조성물에 관한 것으로서, 더욱 상세하게는 나노 크기로 조절된 전이 금속과 인산을 반응시켜 제조한 산화촉매를 펌제용 산화성 조성물에 적용함으로써 산화성 조성물이 모발에 적용시 모발내 시스틴 결합의 환원과 산화에 대한 산화 반응의 활성 조절이 가능하여 기존의 펌제용 산화성 조성물을 사용한 것보다 모발의 웨이브 형성율을 크게 향상시킬 수 있는 효과를 나타내는 개선된 펌제용 산화성 조성물에 관한 것이다.
나노, 촉매, 산화반응, 웨이브제, 산화촉매-
公开(公告)号:KR1020070114422A
公开(公告)日:2007-12-04
申请号:KR1020060047918
申请日:2006-05-29
Applicant: 한국화학연구원
Abstract: An oxidative composition comprising a nano metal catalyst for permanent wave is provided to enhance permanent wave formation rate of hair, inhibit hair damage by controlling reduction and oxidation speed of hair, and enhance hair health by increasing tension of hair. An oxidative composition for permanent wave comprises 0.001-5 wt.% of a nano transition metal catalyst having colloid phase with diameter of 1-100 nm and 0.0001-5 wt.% of a phosphoric acid co-catalyst, wherein the transition metal catalyst is zinc or cobalt and is prepared by (1) mixing a transition metal precursor with pure water, adding a reactive material into the mixture and dispersing it with agitation, (2) adding a reducing agent into the dispersion, cooling the solution to 25-30 deg.C and maturing it, and (3) adding an aqueous dispersant into the matured solution to stabilize it. The phosphoric acid is selected from the phosphoric acid and alkali metal salt of phosphoric acid such as sodium phosphate, potassium phosphate, sodium hydrogen phosphate, potassium hydrogen phosphate, sodium dihydrogen phosphate or potassium dihydrogen phosphate.
Abstract translation: 提供了包含用于永久波的纳米金属催化剂的氧化组合物,以通过控制毛发的还原和氧化速度来增强毛发的永久波形形成速率,抑制毛发损伤,并通过增加头发的张力来增强毛发健康。 用于永久波的氧化组合物包含0.001-5重量%的具有直径为1-100nm的胶体相的纳米过渡金属催化剂和0.0001-5重量%的磷酸助催化剂,其中过渡金属催化剂为 锌或钴,并通过(1)将过渡金属前体与纯水混合,向反应混合物中加入反应物并搅拌分散,制备(2)向分散体中加入还原剂,将溶液冷却至25-30 并将其熟化,和(3)将水性分散剂加入成熟溶液中以使其稳定。 磷酸选自磷酸和磷酸的碱金属盐如磷酸钠,磷酸钾,磷酸氢钠,磷酸氢钾,磷酸二氢钠或磷酸二氢钾。
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公开(公告)号:KR1020070078854A
公开(公告)日:2007-08-03
申请号:KR1020060009185
申请日:2006-01-31
Applicant: 한국화학연구원
IPC: A61K51/00
Abstract: Provided is a self-molding hair modifier having self-molding effect, thereby capable of significantly improving the hair molding manner which uses equipment such as a conventional perm rod or a rubber band. The self-molding hair modifier comprises: a reduction composition including 1-25 wt.% of a reducing agent having a pH of 4-11, 0.5-10 wt.% of a metallic element having a valence of 2, and 0.01-10 wt.% of a softener selected from the group consisting of an inorganic acid, an organic acid, an addition salt thereof, and mineral; a molding composition which includes 0.1-25 wt.% of a sugar compound selected from the group consisting of arginine, carrageenan and a sugar derivative thereof and binds to the metallic element having a valence of 2 to induce the mold; and an oxidizing composition including 0.1-25 wt.% of an oxidizing agent.
Abstract translation: 本发明提供具有自成型效果的自发型发型改性剂,从而能够显着改善使用常规烫发器或橡胶带等设备的发型方式。 自成型毛发改性剂包括:还原组合物,其包含1-25重量%的pH为4-11的还原剂,0.5-10重量%的具有2价金属元素的还原剂和0.01-10 重量%的选自无机酸,有机酸,其加成盐和矿物的软化剂; 包含0.1-25重量%的选自精氨酸,角叉菜胶及其糖衍生物的糖化合物的模塑组合物,并与2价金属元素结合以引发模具; 以及包含0.1-25重量%的氧化剂的氧化组合物。
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公开(公告)号:KR1020070078573A
公开(公告)日:2007-08-01
申请号:KR1020060008965
申请日:2006-01-27
Applicant: 한국화학연구원
Abstract: A self-molding permanent agent having improved storage stability is provided to perform shaping to the desired hair without hair-shaping apparatus due to self-molding properties, and inhibit deterioration of the permanent agent by preventing phase separation through addition of locust bean gum as a stabilizer. The self-molding permanent agent having improved storage stability comprises (a) a reducing composition containing a reducing agent and a sugar compound selected from algine, carrageenan and sugar derivatives thereof, (b) a molding composition containing a divalent metal element capable of inducing molding by combining with the sugar compound, and inducing molding by combining with the divalent metal element, and (c) a softening composition containing a softening agent selected from inorganic acid, organic acid and acid salt thereof, and mineral, and dissociating the combination of sugar compound with divalent metal element, and further comprises locust bean gum as a stabilizer.
Abstract translation: 提供了具有改进的储存稳定性的自成型永久性试剂,以便由于自成型性能而使头发成型设备不需要毛发成型设备进行成型,并且通过添加刺槐豆胶作为防止相分离来抑制永久剂的劣化 稳定剂。 具有改进的储存稳定性的自成型永久性试剂包括(a)含有还原剂和选自阿根廷,角叉菜胶和其糖衍生物的糖化合物的还原组合物,(b)含有能诱导成型的二价金属元素的模塑组合物 通过与糖化合物结合,通过与二价金属元素结合诱发成型,和(c)含有选自无机酸,有机酸及其酸式盐和矿物质的软化剂的软化组合物,并且将糖的组合 与二价金属元素化合物,并且还包含刺槐豆胶作为稳定剂。
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