-
公开(公告)号:KR1020120023300A
公开(公告)日:2012-03-13
申请号:KR1020100085671
申请日:2010-09-01
IPC: C07C305/10 , C10L3/06 , C07C7/20 , C07C5/00
Abstract: PURPOSE: A disulfonate type promoter for formation of natural gas hydrate is provided to easily control the generation rate by controlling concentration to water, and to have large storage ability of gas hydrate. CONSTITUTION: A disulfonate type promoter for formation of natural gas hydrate is an anionic multi-chain type disulfonate type surfactant in chemical formula 1. In chemical formula 1, R^1 and R^2 is same or different each other, selected from saturated of unsaturated C1-30 linear or branched alkyl group. The alkyl is able to be substituted to fluorine atom or aromatic ring. M is selected from alkali metal, and n is the integer of 0-6. The manufacturing method of the natural gas hydrate comprises a step of hydrating natural gas in solution which contains 5-150 ppm of the promoter.
Abstract translation: 目的:提供用于形成天然气水合物的二磺酸盐型助催化剂,以通过控制对水的浓度,并且具有大的天然气水合物的储存能力来容易地控制发生率。 构成:用于形成天然气水合物的二磺酸盐型促进剂是化学式1中的阴离子多链型二磺酸盐型表面活性剂。在化学式1中,R 1和R 2彼此相同或不同,选自饱和的 不饱和C 1-30直链或支链烷基。 该烷基能够被氟原子或芳环取代。 M选自碱金属,n为0-6的整数。 天然气水合物的制造方法包括使包含5-150ppm促进剂的溶液中的天然气水合的步骤。
-
公开(公告)号:KR1020090123207A
公开(公告)日:2009-12-02
申请号:KR1020080049177
申请日:2008-05-27
Applicant: 한국화학연구원
Abstract: PURPOSE: A method for preparing mono- or diglyceride is provided to prevent discoloration because the reaction is preformed at a low temperature, to obtain a high quality product, and to control the desired composition of mono- or diglyceride by controlling the amount of addition of glycerine. CONSTITUTION: A method for preparing mono- or diglyceride comprises the steps of: (a) reacting a triglyceride compound represented by chemical formula 1 in the presence of a basic catalyst and a lower alcohol represented by chemical formula 2; and (b) manufacturing mono-glyceride, di-glyceride or their mixture by removing C1~C7 lower alcohol from the reactants. In chemical formula 1, R1-R3 are independently C6~C22 saturated or unsaturated, linear or branched alkyl group.
Abstract translation: 目的:提供一种制备甘油单酯或甘油二酯的方法,以防止变色,因为反应在低温下进行,以获得高质量的产品,并通过控制甘油二酯的加入量来控制所需的甘油单酯或甘油二酯的组成 甘油。 制备单甘油酯或甘油二酯的方法包括以下步骤:(a)在碱性催化剂和由化学式2表示的低级醇的存在下使由化学式1表示的甘油三酯化合物反应; 和(b)通过从反应物中除去C1〜C7低级醇制造单甘油酯,二甘油酯或其混合物。 在化学式1中,R 1 -R 3独立地为C 6〜C 22饱和或不饱和的直链或支链烷基。
-
公开(公告)号:KR100875728B1
公开(公告)日:2008-12-26
申请号:KR1020070078850
申请日:2007-08-07
CPC classification number: C11D1/835 , C11D3/245 , C11D11/0041
Abstract: A detergent composition for the floor of a clean room is provided to allow the pollution source to be removed easily by lowering surface tension, to prevent the recontamination by having a large contact angle to the water on the surface of floor after cleaning and to reduce the generation of bubbles. A detergent composition for the floor of a clean room comprises a fluorinated alkyl glycerin derivative represented by the formula 1, wherein Rf is a C2-C8 alkyl group substituted with at least one a fluorine atom (F). Preferably the composition comprises 0.01-0.1 wt% of the fluorinated alkyl glycerin derivative; 0.5 - 1.0 wt% of a nonionic surfactant; 1 - 5 wt% of an alkylene oxide adduct; 0.01 - 0.05 wt% of a cationic surfactant; and the balance of water.
Abstract translation: 提供洁净室地板用洗涤剂组合物,通过降低表面张力容易地除去污染源,防止在清洁后与地板表面上的水接触角大的再次污染,并减少 一代气泡。 用于洁净室的地板的洗涤剂组合物包含由式1表示的氟化烷基甘油衍生物,其中Rf是被至少一个氟原子(F)取代的C 2 -C 8烷基。 优选地,组合物包含0.01-0.1重量%的氟化烷基甘油衍生物; 0.5-1.0重量%的非离子表面活性剂; 1-5重量%的环氧烷加合物; 0.01〜0.05重量%的阳离子表面活性剂; 和水的平衡。
-
公开(公告)号:KR1020080029059A
公开(公告)日:2008-04-03
申请号:KR1020060094548
申请日:2006-09-28
Applicant: 한국화학연구원
IPC: C04B12/00 , C04B12/02 , C04B35/447
CPC classification number: C04B28/346 , C04B2111/00836 , C04B22/16 , C04B24/04 , C04B24/123 , C04B2103/0072 , C04B2103/12 , C04B2103/22 , C04B24/38 , C04B24/06
Abstract: A high-strength calcium phosphate cement for osteosynthesis is provided to shorten a hardening time and have excellent strength. A high-strength calcium phosphate cement for osteosynthesis is obtained by mixing a calcium phosphate compound with a biodegradable polymeric acid. The calcium phosphate compound is at least one powder type calcium phosphate compound selected from dicalcium phosphate anhydrous, tetracalcium phosphate, and alpha-tricalcium phosphate. The biodegradable polymeric acid is at least any one selected from polyaspartic acid, polyglutamic acid, alginic acid, and carrageenan acid. The polymeric acid compound is used in an amount of 1-50 parts by weight, based on 100 parts by weight of the calcium phosphate compound.
Abstract translation: 提供用于骨接合术的高强度磷酸钙骨水泥以缩短硬化时间并具有优异的强度。 通过将磷酸钙化合物与可生物降解的聚合酸混合,获得用于骨接合术的高强度磷酸钙骨水泥。 磷酸钙化合物是选自磷酸二钙无水,磷酸四钙和α-磷酸三钙的至少一种粉末型磷酸钙化合物。 可生物降解的聚合酸是选自聚天冬氨酸,聚谷氨酸,藻酸和角叉菜胶酸中的至少任意一种。 基于100重量份的磷酸钙化合物,聚合酸化合物的用量为1-50重量份。
-
-
公开(公告)号:KR100508688B1
公开(公告)日:2005-08-17
申请号:KR1020030040357
申请日:2003-06-20
Applicant: 한국화학연구원
IPC: C07D407/12
Abstract: 본 발명은 N,N-디글리시딜알킬아민 화합물의 효율적 제조방법에 관한 것으로서, 더욱 상세하게는 반응물질로 알킬아민과 에피할로히드린을 사용하여 별도의 유기용매 및 상전이 촉매의 사용 없이 반응시켜 중간체인 N,N-비스(3-할로-2-히드록시프로필)알킬아민을 생성시킨 후, 이를 분리 또는 정제과정 없이 알칼리금속 화합물과 반응시켜 고수율, 고순도의 N,N-디글리시딜알킬아민 화합물을 효율적으로 제조하는 방법에 관한 것이다.
-
公开(公告)号:KR1019970010783A
公开(公告)日:1997-03-27
申请号:KR1019950027849
申请日:1995-08-31
Applicant: 한국화학연구원
IPC: C07H19/01
Abstract: [목적]
DMF, DMSO등의 사용에 의한 용매잔류독성이 없고 화장품, 식품, 의약품등의 무독성의 계면활성인 수크로오스 지방산 에스테르의 합성 및 그 정제방법에 관한 것이다.
[구성]
C
12 , C
14 , C
16 , C
18 , C
20 의 지방산을 갖는 지방산 메틸에스테르 혹은 트리글리세리드를 60℃로 가온 후 이에 KOH를 가하고 교반 후 120℃에서 K
2 CO
3 을 가한 다음 이에 수크로오스를 가하고 125~130℃에서 10시간 반응시켜서 얻은 반응 생성혼합물에 물을 가하고 pH를 4로 조정하고 60℃까지 승온 후 냉각시켜 유기층만 취해서 이를 에틸아세테이트로 추출하여 수크로오스 지방산 에스테르를 얻는다.-
公开(公告)号:KR100078216B1
公开(公告)日:1994-10-13
申请号:KR1019920003768
申请日:1992-03-07
Applicant: 한국화학연구원
IPC: D06M13/256
-
公开(公告)号:KR1019940006256B1
公开(公告)日:1994-07-13
申请号:KR1019920003769
申请日:1992-03-07
Applicant: 한국화학연구원
IPC: D06M13/256
Abstract: The fiber softening agent composition is composed of dialkyl imidazoline methyl sulfate of formula (I) as the imidazoline based fiber softening agent component, and N,N'-diacyldiethylene bishydroxy alkyltriamine methyl sulfate of formula (II) as the diamide based fiber softening agent component. The comprising ratio of (I) to (II) is 3:7. The said dialkyl is C12-C20 acyl, and the hydroxy alkyl is hydroxy ethyl or hydroxy propyl. In the formulas, R is C12-C20 alkyl, R1 is H or methyl. The obtd. fiber softening agent has good flexibility and improved antistatic property.
Abstract translation: 纤维软化剂组合物由作为咪唑啉系纤维软化剂组分的式(I)的二烷基咪唑啉甲基硫酸盐和作为二酰胺类纤维软化剂成分的式(II)的N,N'-二酰基二亚乙基双羟基烷基三胺甲基硫酸盐 。 (I)〜(II)的比例为3:7。 所述二烷基是C 12 -C 20酰基,羟基烷基是羟基乙基或羟基丙基。 式中R为C 12 -C 20烷基,R 1为H或甲基。 有限公司 纤维软化剂具有良好的柔韧性和抗静电性能。
-
公开(公告)号:KR101863119B1
公开(公告)日:2018-05-31
申请号:KR1020170044682
申请日:2017-04-06
Applicant: 한국화학연구원
Abstract: 본발명의카본블랙의표면개질방법은카본블랙입자의표면을카복시화한후 아민화함으로써, 아민기도입량이현저히높으며, 이와함께흑색도가매우우수한효과가있다. 또한표면개질효율이우수하고, 경제적으로유리하며, 보다간단한공정으로카본블랙의표면을개질할수 있는효과가있다.
-
-
-
-
-
-
-
-
-