Настройки

Укажите год
-

Небесная энциклопедия

Космические корабли и станции, автоматические КА и методы их проектирования, бортовые комплексы управления, системы и средства жизнеобеспечения, особенности технологии производства ракетно-космических систем

Подробнее
-

Мониторинг СМИ

Мониторинг СМИ и социальных сетей. Сканирование интернета, новостных сайтов, специализированных контентных площадок на базе мессенджеров. Гибкие настройки фильтров и первоначальных источников.

Подробнее

Форма поиска

Поддерживает ввод нескольких поисковых фраз (по одной на строку). При поиске обеспечивает поддержку морфологии русского и английского языка
Ведите корректный номера.
Ведите корректный номера.
Ведите корректный номера.
Ведите корректный номера.
Укажите год
Укажите год

Применить Всего найдено 29. Отображено 29.
18-05-2016 дата публикации

Heterogeneous Catalyst for Production of Acrylic Acid From Allyl Alcohol, and A Method for Preparation of Acrylic Acid From Allyl Alcohol Using Thereof

Номер: KR0101622236B1

... 본 발명은 알릴 알콜로부터 아크릴산 제조용 불균일계 촉매, 이를 이용한 알릴 알콜로부터 아크릴산을 제조하는 방법에 관한 것으로서, 보다 상세하게는 담지체에 금이 담지된 불균일계 촉매의 존재 하에 액상 반응을 수행하여 알릴 알콜로부터 아크릴산을 높은 수율로 제조하는 방법에 관한 것이다.

Подробнее
25-11-2016 дата публикации

알릴 알코올의 제조방법 및 이에 의하여 제조된 알릴 알코올

Номер: KR0101679717B1
Принадлежит: 주식회사 엘지화학

... 본 발명은 글리세롤 1 당량에 대하여, 포름산 0.8 내지 2 당량을 투입한 후, 상온으로부터 2.0~7.0℃/min의 속도로 승온하여, 반응온도 220 내지 260℃에서 반응시키는 것을 특징으로 하는 알릴알코올의 제조방법 및 이에 의하여 제조된 알릴알코올에 관한 것이다.

Подробнее
11-06-2015 дата публикации

MANUFACTURING METHOD OF SOLKETAL

Номер: KR1020150064499A
Принадлежит:

The present invention relates to a manufacturing method of solketal, manufactured by making glycerol react with acetone under an acid catalyst whose pka is not more than -3, and a solketal manufactured by the method. COPYRIGHT KIPO 2015 ...

Подробнее
11-06-2015 дата публикации

MANUFACTURING METHOD OF ESTER COMPOUND HAVING IMPROVED YIELD BY USING ACETONE

Номер: KR1020150064498A
Принадлежит:

In the present invention, provided is a manufacturing method of novel ester compounds, which uses special synthesis conditions without additional solvents and catalysts and therefore significantly increases yield. The present invention relates to a manufacturing method of ester compounds where formic acid is injected into a mixture of alcohol and acetone and ultrasonic waves are assigned to the same, thereby inducing an ester reaction and ester compounds manufactured by the method. COPYRIGHT KIPO 2015 ...

Подробнее
28-06-2016 дата публикации

Method for producing acrylic acid from glycerol

Номер: KR0101634221B1
Принадлежит: 주식회사 엘지화학

... 본 발명은 (a) 글리세롤과 카르복실산을 포함하는 반응물로부터 알릴알코올을 포함하는 생성물을 제조하는 단계; (b) 상기 알릴알코올을 포함하는 생성물에, 불균일계 촉매와 염기성 용액을 투입한 후, 이를 산화시켜 3-하이드록시프로피온산 및 아크릴산을 포함하는 혼합물을 제조하는 단계; (c) 상기 3-하이드록시프로피온산 및 아크릴산 혼합물 중의 3-하이드록시프로피온산을 탈수 반응시켜 아크릴산을 제조하는 단계; 를 포함하는 글리세롤로부터 아크릴산을 제조하는 방법에 관한 것이다.

Подробнее
02-12-2015 дата публикации

METHOD FOR MANUFACTURING HIGH PURITY ALLYL ALCOHOL AND PROCESS SYSTEM FOR MANUFACTURING HIGH PURITY ALLYL ALCOHOL

Номер: KR1020150135096A
Принадлежит:

The present invention relates to a method for manufacturing high purity allyl alcohol and a process system of manufacturing high purity allyl alcohol. The method comprises the steps of: generating a mixed solution by applying water and an organic extract to a liquid reaction product of glycerol and formic acid; separating an organic phase including allyl alcohol and the organic extract; obtaining an extract including allyl alcohol; and obtaining an allyl alcohol solution. COPYRIGHT KIPO 2016 ...

Подробнее
17-07-2017 дата публикации

METHOD FOR PURIFYING TRIETHYLENE GLYCOL

Номер: KR1020170082709A
Принадлежит:

The present invention relates to a method for purifying triethylene glycol. More specifically, the present invention relates to a method for purifying modified triethylene glycol and pure triethylene glycol by conducting two-staged distillation. According to the present invention, it is possible to increase collection rates by collecting triethylene glycol which is not distilled in existing single distillation columns and is leaked out on a bottom part. Through isolation of modified triethylene glycol, purity of triethylene glycol can increase. COPYRIGHT KIPO 2017 (AA) Start (BB) End (S100) First distillation color inflow step (S200) First fractional distillation step (S300,S700) TOP material collection step (S500) Second distillation color inflow step (S600) Second fractional distillation step ...

Подробнее
20-02-2019 дата публикации

할로겐 치환된 스티렌 모노머의 제조방법

Номер: KR1020190017510A
Принадлежит:

... 본 명세서는 인산의 존재 하에 화학식 1로 표시되는 화합물을 반응시켜, 화학식 2의 스티렌 모노머를 제조하는 단계로서, 상기 인산은 상기 화학식 1로 표시되는 화합물 100 mol%를 기준으로 100 mol% 이상으로 사용되는 단계를 포함하는 스티렌 모노머의 제조방법을 제공한다.

Подробнее
14-02-2019 дата публикации

METHOD FOR PREPARING HALOGEN-SUBSTITUTED STYRENE MONOMER

Номер: WO2019031743A1
Принадлежит:

The present specification provides a method for preparing a styrene monomer, comprising, as a step of preparing a styrene monomer of chemical formula 2 by reacting a compound represented by chemical formula 1 in the presence of phosphoric acid, a step of using 100 mol% or more of the phosphoric acid on the basis of 100 mol% of the compound represented by chemical formula 1.

Подробнее
23-02-2017 дата публикации

아세톤을 이용하여 수율을 개선한 에스터 화합물의 제조방법

Номер: KR0101709670B1
Автор: 공명진, 이원재, 최용진
Принадлежит: 주식회사 엘지화학

... 본 발명은 알코올 및 아세톤의 혼합물에 포름산을 투입한 후, 초음파를 인가하여 에스터 반응을 유도하는 에스터 화합물의 제조방법 및 이에 의해 제조된 에스터 화합물에 관한 것이다.

Подробнее
30-05-2018 дата публикации

PURIFICATION METHOD OF HALOGENATED METHOXY-POLYETHYLENE GLYCOL

Номер: KR1020180057047A
Принадлежит:

The present invention relates to a purification method capable of obtaining high purity halogenated methoxy-polyethylene glycol (PEG) using a basic inorganic adsorbent. The purification method is simple in the treatment process, can be refined in a short time, and is suitable for the mass production process of high purity halogenated methoxy-PEG. COPYRIGHT KIPO 2018 (AA) Halogen compounds (Dp, BiBB) (BB) Tertiary amines (e.g., TEA) (CC) Unreacted BiBB, residual TEA, BiBB-acid, TEA-HBr salt (DD) Manufacturing method (EE) Addition and stirring of a basic inorganic adsorbent (FF) After filtration, filtrate recovery (GG) Add the filtrate to a non-solvent to precipitate (HH) After filtration, collect the filtrate and dry (II) High purity mPEG-X (JJ) Refining method ...

Подробнее
24-12-2015 дата публикации

HETEROGENEOUS CATALYST FOR PRODUCING ACRYLIC ACID FROM ALLYL ALCOHOL, AND METHOD FOR PRODUCING ACRYLIC ACID FROM ALLYL ALCOHOL USING SAME

Номер: KR1020150144128A
Принадлежит:

The present invention relates to a heterogeneous catalyst for producing acrylic acid from allyl alcohol, and to a method for producing acrylic acid from allyl alcohol using the same and, more specifically, to a method for producing acrylic acid from allyl alcohol in a high yield by carrying out a liquid phase reaction in the presence of the heterogeneous catalyst in which gold (Au) is supported on a carrier. COPYRIGHT KIPO 2016 ...

Подробнее
25-11-2015 дата публикации

MANUFACTURING METHOD OF ALLYL FORMATE

Номер: KR1020150131515A
Принадлежит:

The present invention relates to a manufacturing method of allyl formate and allyl formate manufactured thereby, for reacting at reaction temperature of 220-250°C by inserting 5 to 10 equivalent weight of formic acid, with respect to 1 equivalent weight of glycerol. According to a manufacturing method of allyl formate of the present invention, a conversion rate, selectivity, and a yield of allyl formate can be significantly increased by using special synthesis condition. COPYRIGHT KIPO 2016 ...

Подробнее
26-06-2017 дата публикации

CARBON NANOTUBE FIBER HAVING IMPROVED TENSILE STRENGTH AND THERMAL RESISTANCE, AND MANUFACTURING METHOD THEREOF

Номер: KR1020170071783A
Принадлежит:

Provided is a carbon nanotube fiber in a structure of cross-linking walls of carbon nanotubes by performing radical polymerization of acrylonitrile-based monomers on the surface of carbon nanotubes in which an organic functional group including a hydroxyl group, a thiol group or an amine group is introduced. Accordingly, a strong bond between carbon nanotubes can be formed, and a carbon nanotube fiber, which maintains physical properties of carbon nanotubes and has high tensile strength and thermal resistance, can be provided. COPYRIGHT KIPO 2017 ...

Подробнее
16-06-2017 дата публикации

CARBON NANOTUBE FIBROUS COMPOSITE MATERIAL AND PRODUCTION METHOD THEREOF

Номер: KR1020170067437A
Принадлежит:

The present invention relates to a carbon nanotube fibrous composite material, and a production method thereof. More specifically, the present invention relates to a carbon nanotube fibrous composite material capable of securing high intensity and high density in carbon nanotube fibers. In an attempt to produce the high density carbon nanotube fiber without using strong acid and oxidizers, a coating layer is formed on the carbon nanotube fiber, and a cross-linkage is formed among the carbon nanotube fibers via a thiol-based cross-linking agent which is bonded to the coating layer. The present invention further relates to a production method thereof. COPYRIGHT KIPO 2017 ...

Подробнее
02-12-2015 дата публикации

METHOD FOR PRODUCING ALLYL ALCOHOL

Номер: KR1020150135029A
Принадлежит:

The present invention relates to a method for producing allyl alcohol and, more specifically, to a novel method for producing allyl alcohol which remarkably increases the content of allyl alcohol in a liquid reaction product and minimizes allyl formate and unreacted formic acid as by-products by making glycerol to react with formic acid under a specific synthesis condition. COPYRIGHT KIPO 2016 ...

Подробнее
16-06-2017 дата публикации

CARBON NANOTUBE FIBROUS COMPOSITE MATERIAL AND PRODUCTION METHOD THEREOF

Номер: KR1020170067297A
Принадлежит:

The present invention relates to a carbon nanotube fibrous composite material, and a production method thereof. More specifically, the present invention relates to a carbon nanotube fibrous composite material, and a production method thereof. In an attempt to produce high density carbon nanotube fibers without using strong acid and oxidizers, a coating layer is formed on the carbon nanotube fibers, and cross-linkage is then formed in and between the carbon nanotube fibers from alcohol-based, thiol-based or cross-linking agent mixture thereof capable of bonding to the coating layer, thereby securing high density and high strength in the carbon nanotube fibers. COPYRIGHT KIPO 2017 ...

Подробнее
06-02-2017 дата публикации

솔케탈의 제조방법

Номер: KR0101703159B1
Автор: 공명진, 이원재, 최용진
Принадлежит: 주식회사 엘지화학

... 본 발명은 pKa 값이 -3 이하인 산 촉매 하에서, 글리세롤과 아세톤을 반응시켜여, 솔케탈을 제조하는 솔케탈의 제조방법 및 이에 의해 제조된 솔케탈에 관한 것이다.

Подробнее
18-08-2016 дата публикации

METHOD FOR PRODUCING METHACRYLIC ACID ESTER

Номер: KR1020160097497A
Принадлежит:

The present invention relates to a method for producing methacrylic acid ester. More specifically, the present invention relates to a method for producing methacrylic acid ester, by carrying out an ester interchange reaction between methacrylate and alcohol in the presence of a catalyst and a polymerization inhibitor, which includes a step of calculating an equation for the degree of catalyst inactivity from a variable of the ester interchange reaction. COPYRIGHT KIPO 2016 (AA) Degree of catalyst inactivity, Φ (BB) Single input variable, η ...

Подробнее
20-07-2016 дата публикации

알릴알콜의 제조방법

Номер: KR0101641140B1
Принадлежит: 주식회사 엘지화학

... 본 발명은 알릴알콜의 제조방법에 관한 것으로서, 보다 상세하게는 글리세롤과 포름산을 특수한 합성 조건에서 반응시켜, 액상 반응생성물 중의 알릴알콜의 함량을 획기적으로 높일 수 있고, 부산물인 알릴 포메이트 및 미반응 포름산을 최소화시킬 수 있는, 새로운 알릴 알콜의 제조 방법에 관한 것이다.

Подробнее
28-06-2016 дата публикации

A Method for Preparation of Ester Compound and the Ester Compound manufactured by the Same

Номер: KR0101634220B1
Автор: 공명진, 이원재, 최용진
Принадлежит: 주식회사 엘지화학

... 본 발명은 황산 촉매 하에서, 글리세롤과 아세톤의 혼합물에 카르복실 산(Carboxylic acid)을 투입한 후, 초음파를 인가하여 에스터 반응을 유도하는 에스터 화합물의 제조방법 및 이에 의해 제조된 에스터 화합물에 관한 것이다.

Подробнее
16-06-2017 дата публикации

CARBON NANOTUBE FIBROUS COMPOSITE MATERIAL AND PRODUCTION METHOD THEREOF

Номер: KR1020170067428A
Принадлежит:

The present invention relates to a carbon nanotube fibrous composite material, and a production method thereof. More specifically, the present invention relates to a carbon nanotube fibrous composite material, and a production method thereof. In an attempt to produce high density carbon nanotube fibers without using strong acid and oxidizers, a coating layer, in which two types of polymers are stacked on the carbon nanotube fibers in a multi-layered form, is formed, and the coating layer is allowed to infiltrate into the fibers while chemical bonds are formed among the coating layers, thereby securing high density and high strength in the carbon nanotube. COPYRIGHT KIPO 2017 ...

Подробнее
24-10-2018 дата публикации

메타크릴산 에스터의 제조방법

Номер: KR0101911131B1
Принадлежит: 주식회사 엘지화학

... 본 발명은 하기 화학식 1로 표시되는 촉매 하에서, 알킬 메타크릴산 에스터와 알코올을 공기 주입(Air Blowing)하면서 에스터 교환 반응하여 메타크릴산 에스터를 생성하는 메타크릴산 에스터의 제조방법에 관한 것이다. [화학식 1] Ti(BuO)nㆍ(HQ)4-n (n=1, 2, 3) 본 발명의 메타크릴산 에스터의 제조방법은 별도의 중합방지제를 사용하지 않고도, 메타크릴산 에스터의 제조시에 폴리머의 생성을 방지할 수 있으며, 수율도 증가시킬 수 있다.

Подробнее
24-02-2016 дата публикации

PREPARATION METHOD FOR BUTYL METHACRYLATE

Номер: KR1020160020901A
Принадлежит:

The present invention relates to a preparation method of butyl methacrylate, which comprises the steps of: a) preparing butyl methacrylate through ester exchange reaction of n-butanol and methyl methacrylate in the presence of titanium tetrabutoxide catalyst; and b) removing the catalyst by adding glycerol to butyl methacrylate after the ester exchange reaction. The preparation method of butyl methacrylate in the present invention improves removal rate of residual solvents remaining after recovering the products after the ester exchange reaction, and has the catalyst removal process at low costs. COPYRIGHT KIPO 2016 ...

Подробнее
11-06-2015 дата публикации

METHOD FOR PRODUCING ESTER COMPOUND AND ESTER COMPOUND PRODUCED BY SAME

Номер: KR1020150064660A
Принадлежит:

The present invention relates to a method for producing an ester compound and an ester compound produced by the same. According to the method, carboxyl acid is inserted into a mixture of glycerol and acetone in the presence of a sulfuric acid catalyst; and then an ester reaction is induced by applying ultrasonic waves to the mixture including the carboxyl acid. COPYRIGHT KIPO 2015 ...

Подробнее
13-06-2016 дата публикации

METHOD OF PREPARING METHACRYLIC ACID ESTER

Номер: KR1020160067017A
Принадлежит:

The present invention relates to a method of preparing a methacrylic acid ester by performing a transesterification reaction while air blowing an alkyl methacrylic acid ester and an alcohol in the presence of a catalyst represented by chemical formula 1, to prepare a methacrylic acid ester. According to the present invention, a method of preparing a methacrylic acid ester may prevent a polymer from being generated and also increase yield when preparing a methacrylic acid ester without using an additional polymerization inhibitor. COPYRIGHT KIPO 2016 ...

Подробнее
02-12-2015 дата публикации

FORMIC ACID SEPARATING METHOD AND FORMIC ACID SEPARATION PROCESS SYSTEM

Номер: KR1020150135095A
Принадлежит:

The present invention relates to a formic acid separating method, and to a formic acid separation process system. The method comprises the steps of: generating a mixture by applying water and an organic extract to a liquid reaction product generated by reaction of glycerol and a formic acid; and separating an aqueous phase and an organic phase from the mixture. COPYRIGHT KIPO 2016 (AA) Multi-stage extraction tower ...

Подробнее
08-11-2017 дата публикации

뷰틸 메타크릴레이트의 제조방법

Номер: KR0101795840B1
Принадлежит: 주식회사 엘지화학

... 본 발명은 a) 타이타늄 테트라뷰톡사이드(titanium tetrabutoxide) 촉매 하에서, n-뷰탄올(n-butanol)과 메틸메타크릴레이트(methyl methacrylate)를 에스테르 교환 반응하여 뷰틸 메타크릴레이트를 제조하는 단계; 및 b) 상기 에스테르 교환 반응 후 글리세롤(glycerol)을 첨가하여 촉매를 제거하는 단계를 포함하는 뷰틸 메타크릴레이트의 제조 방법에 관한 것이다. 본 발명의 뷰틸 메타크릴레이트의 제조 방법은 에스테르 교환 반응 후 생성물을 회수하고 남게 되는 잔류물의 촉매를 제거율을 향상시키면서도, 촉매 제거 공정의 비용이 저렴하다는 장점이 있다.

Подробнее
16-06-2017 дата публикации

CARBON NANOTUBE FIBROUS COMPOSITE MATERIAL AND PRODUCTION METHOD THEREOF

Номер: KR1020170067298A
Принадлежит:

The present invention relates to a carbon nanotube fibrous composite material, and a production method thereof. More specifically, the present invention relates to a carbon nanotube fibrous composite material, and a production method thereof. In an attempt to produce high density carbon nanotube fibers without using strong acid and oxidizers, a coating layer is formed by stacking two types of polymers in a multi-layered form on the carbon nanotube fibers, and the coating layer is allowed to infiltrate into the fibers while chemical bonds are formed among the coating layers, thereby securing high density and high strength in the carbon nanotube fibers. COPYRIGHT KIPO 2017 ...

Подробнее