-
公开(公告)号：KR100543346B1
公开(公告)日：2006-01-20
申请号：KR1020020067445
申请日：2002-11-01
Applicant: 한국화학연구원
IPC: C09D133/08
Abstract: 본 발명은 1회용 식품용기용 수분산 에멀전 코팅제 조성물에 관한 것으로, 더욱 상세하게는 상온보다 유리전이온도가 높은 소수성 아크릴계 모노머(A)와 유리전이온도가 상온보다 낮은 소수성 아크릴계 모노머(B)로 구성된 모노머 성분과, 카르복시산 유도체 및 설폰산 유도체 등 중에서 선택된 이온성 모노머(C) 및 당(Sugar)계 계면활성제(D)를 일정 함량비로 에멀전 중합하여 제조된 것으로, 유리전이온도가 20 ∼ 60 ℃이고, 수평균 분자량이 30,000 ∼ 70,000 범위인 공중합체가 포함되어 있으며, 무독, 무미, 무취하고 발수/발유, 광택성, 장기 저장안정성이 우수하므로 1회용 식품용기 코팅제로 유용한 수분산 에멀전 코팅제 조성물에 관한 것이다.
수분산, 에멀전, 코팅제, 계면활성제-
公开(公告)号：KR1020050037240A
公开(公告)日：2005-04-21
申请号：KR1020030072694
申请日：2003-10-17
Applicant: 한국화학연구원
IPC: C07C67/48
CPC classification number: C07C67/08 , Y02P20/582 , C07C69/653
Abstract: 본 발명은 투과증발막을 이용한 함불소아크릴산에스터화합물의 제조방법에 관한 것으로서, 더욱 상세하게는 함불소알코올과 (메타)아크릴산을 산촉매 존재 하에서 에스테르화 반응하는 과정에서 반응 부생성물로서 생성된 물과 미반응 함불소알코올을 응축시킨 후 투과증발막에 통과시켜 물을 효율적으로 제거하고, 물이 제거된 미반응 함불소알코올은 재순환함으로써, 투과증발막 적용에 의한 효율적인 물 제거로 함불소아크릴산에스터화합물의 전환율을 월등히 향상시킴과 동시에 에너지 소비를 감소시키면서 환경친화적으로 함불소아크릴산에스터화합물을 제조하는 방법에 관한 것이다.
-
公开(公告)号：KR1020040038482A
公开(公告)日：2004-05-08
申请号：KR1020020067445
申请日：2002-11-01
Applicant: 한국화학연구원
IPC: C09D133/08
CPC classification number: C09D4/00 , C09D133/04
Abstract: PURPOSE: A water-dispersive emulsion coating agent composition for a disposable food container is provided, to improve water/oil fastness, gloss and storage stability and to obtain no toxicity, no taste and no smell. CONSTITUTION: The composition comprises 100 parts by weight of a monomer comprising 60-80 wt% of a hydrophobic acryl-based monomer having a glass transition temperature higher than a room temperature and 20-40 wt% of a hydrophobic acryl-based monomer having a glass transition temperature lower than a room temperature; 0.1-5 parts by weight of an ionic monomer selected from carboxylic acid derivatives and sulfonic acid derivatives; and 0.2-5 parts by weight of a sugar-based surfactant. Preferably the composition is an emulsion containing a copolymer having a glass transition temperature of 20-60 deg.C and a number average molecular weight of 30,000-70,000, and the particle of the emulsion has a size of 50-400 nm.
Abstract translation: 目的：提供一次性食品容器用水分散乳剂涂料组合物，提高水/油牢度，光泽和储存稳定性，无毒，无味，无异味。 组成：组合物包含100重量份的单体，其包含60-80重量％的玻璃化转变温度高于室温的疏水性丙烯酸基单体和20-40重量％的疏水性丙烯酸类单体，其具有 玻璃化转变温度低于室温; 0.1-5重量份选自羧酸衍生物和磺酸衍生物的离子单体; 和0.2-5重量份的糖基表面活性剂。 优选地，组合物是含有玻璃化转变温度为20-60℃，数均分子量为30,000-70,000的共聚物的乳液，乳液的颗粒的尺寸为50-400nm。
-
公开(公告)号：KR1020030033807A
公开(公告)日：2003-05-01
申请号：KR1020010065947
申请日：2001-10-25
IPC: C01B7/14
CPC classification number: C01B7/00 , B01D15/363
Abstract: PURPOSE: Provided is a method for recovering iodine from nitrogen compound solution using ion exchange resin. CONSTITUTION: The method comprises the steps of (a) passing nitrogen compound solution through a column filled with weak basic anion exchange resin, (b) recovering the anion exchange resin by passing 0.1-2N basic aqueous solution through the column at a temperature of 40-90°C, and (c) oxidizing the solution passing out the column at the step (b) by feeding persulfate-based oxidizing agent, wherein the nitrogen compound is selected from a group consisted of N-methyl-2-pyrrolidinone, N,N-dimethylformamide, pyridine, pyrrolidine and pyrrolidinone.
Abstract translation: 目的：提供使用离子交换树脂从氮化合物溶液中回收碘的方法。 方法：该方法包括以下步骤：（a）使氮化合物溶液通过填充有弱碱性阴离子交换树脂的柱，（b）通过0.1-2N碱性水溶液在40℃的温度下通过该柱回收阴离子交换树脂 -90℃，（c）通过加入过硫酸盐型氧化剂，在步骤（b）中氧化通过柱的溶液，其中氮化合物选自N-甲基-2-吡咯烷酮，N ，N-二甲基甲酰胺，吡啶，吡咯烷和吡咯烷酮。
-
公开(公告)号：KR100376273B1
公开(公告)日：2003-03-15
申请号：KR1020000039958
申请日：2000-07-12
IPC: C08J11/12
CPC classification number: Y02W30/703
Abstract: PURPOSE: A continuous polytetrafluoroethylene(PTFE) pyrolysis apparatus and a method for preparing PTFE using the apparatus are provided, to obtain tetrafluoroethylene of high purity massively with low cost. CONSTITUTION: The apparatus comprises at least two PTFE main tanks(10) which stores PTFE powder or particle and can be operated alternatively; a PTFE auxiliary tank(11) which is connected with the main PTFE main tanks(10) through a ball valve(24) and a transparent hose(12) for vacuum and stores PTFE supplied from the main tanks(10) temporarily before PTFE is applied to the process; a vertical-type screw feeder(13) which is operated by a motor and a magnetic driver, whose rotation number can be controlled, and which injects the PTFE supplied from the auxiliary tank(11) into a pyrolysis reactor through a cooler(15); and a vertical-type pyrolysis reactor(14) which pyrolyzes the PTFE supplied from the screw feeder(13) to generate tetrafluoroethylene gas and delivers the generated tetrafluoroethylene gas to a tetrafluoroethylene condensation tank.
Abstract translation: 目的：提供一种连续的聚四氟乙烯（PTFE）热解设备和使用该设备制备PTFE的方法，以低成本大量获得高纯度的四氟乙烯。 构成：该设备包括至少两个PTFE主容器（10），其存储PTFE粉末或颗粒并且可以交替地操作; 通过球阀（24）和真空透明软管（12）与主PTFE主容器（10）连接的PTFE辅助容器（11），用于真空并在PTFE之前临时储存从主容器（10）供应的PTFE 适用于该过程; 由能够控制转数的电动机和磁驱动器操作并且将从辅助罐（11）供应的PTFE通过冷却器（15）注入热解反应器的立式螺旋送料器（13） ; 以及将从螺旋送料器（13）供给的PTFE热分解而生成四氟乙烯气体并将生成的四氟乙烯气体送入四氟乙烯冷凝罐的立式热解反应器（14）。
-
Patent Agency Ranking
公开(公告)号：KR1020030016934A
公开(公告)日：2003-03-03
申请号：KR1020010051015
申请日：2001-08-23
Applicant: 한국화학연구원
IPC: C03C17/30
CPC classification number: C03C17/30 , C03C17/32 , C03C2217/76 , C03C2218/113
Abstract: PURPOSE: Provided is a production method of hydrophobic glass having improved transparency, durability and weather resistance compared with conventional glass by coating surface modifier on glass through sol-gel process. CONSTITUTION: The hydrophobic glass is produced by coating glass with surface modifier through sol-gel process. The surface modifier is prepared by mixing a reactive copolymer containing perfluoro group and hydrolyzed metal alkoxide in a weight ratio of 0.01-100 : 1. The hydrolyzed metal alkoxide is obtained by hydrolyzing metal alkoxide and alcohol in a weight ratio of 0.01-100 : 1 in the presence of an acid catalyst, wherein the metal alkoxide is at least one compound selected from tetramethoxy silane, tetraethoxy silane, (2-perfluoro octyl)ethyl trimethoxy silane, etc. The reactive copolymer is obtained by polymerizing main monomer, C2-C20 acrylate or methacrylate containing perfluoro group, and a comonomer containing at least one of poly-unsaturated double bond in a weight ratio of 0.01-100 : 1, wherein the comonomer is selected from vinyl chloride, benzyl (meth) acrylate, vinyl acetate, styrene, N-methylol acrylamide, acrylate, etc.
Abstract translation: 目的：提供通过溶胶 - 凝胶法在玻璃上涂覆表面改性剂，与常规玻璃相比，具有改善的透明度，耐久性和耐候性的疏水性玻璃的制造方法。 构成：通过溶胶 - 凝胶法将表面改性剂涂覆在玻璃上制成疏水性玻璃。 表面改性剂通过混合含有全氟基团的反应性共聚物和水解金属醇盐的重量比为0.01-100:1来制备。水解的金属醇盐通过水解金属醇盐和醇以0.01-100:1的重量比获得 在酸催化剂存在下，其中金属醇盐是选自四甲氧基硅烷，四乙氧基硅烷，（2-全氟辛基）乙基三甲氧基硅烷等中的至少一种化合物。反应性共聚物通过使主要单体C2-C20 含有全氟基团的丙烯酸酯或甲基丙烯酸酯或甲基丙烯酸酯，和含有重量比为0.01-100:1的多不饱和双键的共聚单体，其中共聚单体选自氯乙烯，（甲基）丙烯酸苄酯，乙酸乙烯酯，苯乙烯 ，N-羟甲基丙烯酰胺，丙烯酸酯等
-
公开(公告)号：KR1020020088491A
公开(公告)日：2002-11-29
申请号：KR1020010026993
申请日：2001-05-17
Applicant: 한국화학연구원
IPC: C09K3/18
CPC classification number: C09K3/18 , C03C17/30 , C03C2217/00
Abstract: PURPOSE: Provided is a water repellent glass coating which has excellent water repellency and durability, and is easily dissolved in solvent, and which can retain its transparency when coated on glass surface. CONSTITUTION: The coating further comprises 0.01-10.0 wt% of oligomeric copolymer containing perfluoro radical and silicon radical, which is obtained by copolymerizing an acrylate or methacrylate containing C4-C12 perfluoroalkyl radical as a main monomer, with an acrylate or methacrylate compound containing silicon radical as a comonomer, with respect to the coating. The reaction ratio of main monomer: comonomer is 5-95:95-5(by weight). The acrylate or methacrylate containing C4-C12 perfluoroalkyl radical is selected from perfluoroalkylethyl acrylate or perfluoroalkylmethyl methacrylate.
Abstract translation: 目的：提供具有优异的防水性和耐久性，并且易溶于溶剂的防水玻璃涂层，并且当涂覆在玻璃表面上时可以保持其透明性。 构成：通过使含有C4-C12全氟烷基作为主要单体的丙烯酸酯或甲基丙烯酸酯与含有硅基团的丙烯酸酯或甲基丙烯酸酯化合物共聚而得到的包含全氟自由基和硅自由基的低分子共聚物的0.01-10.0重量％ 作为共聚单体，关于涂层。 主要单体：共聚单体的反应比为5-95:95-5（重量比）。 含有C4-C12全氟烷基的丙烯酸酯或甲基丙烯酸酯选自丙烯酸全氟烷基乙酯或甲基丙烯酸全氟烷基甲酯。
-
公开(公告)号：KR1020020084954A
公开(公告)日：2002-11-16
申请号：KR1020010024098
申请日：2001-05-03
Applicant: 한국화학연구원
IPC: C08J3/02
Abstract: PURPOSE: A method for preparing a polymer microemulsion containing a perfluoroalkyl group is provided, to reduce the particle size of the microemulsion by employing a surfactant together with perfluoroalkyl alcohol for improving the permeating power into a substrate, thereby enhancing the water repelling property, the oil repelling property and the pollution resistance. CONSTITUTION: The method comprises the step of emulsion polymerizing a compound containing a perfluoroalkyl group, a monomer containing an unsaturated double bond and a surfactant, wherein the surfactant is a mixture of a surfactant selected from the group consisting of nonionic. anionic and cationic surfactants and a perfluoroalkyl alcohol. Preferably the perfluoroalkyl alcohol is represented by the formula 1 or 2(formula 1: CnF2n+1SO2N(R1)CH2CH2OH, formula 2: CnF2n+1CH2CH2OH), wherein R1 is methyl group or ethyl group; and n is an integer of 3-21. The content of the surfactant is 5-15 wt% based on the weight of the monomer, and the content of the perfluoroalkyl alcohol is 2-30 wt% of based on the weight of the surfactant.
Abstract translation: 目的：提供一种制备含有全氟烷基的聚合物微乳液的方法，通过与全氟烷基醇一起使用表面活性剂来降低微乳液的粒径，以提高基质的渗透力，从而提高排斥性，油 排斥性和耐污染性。 方案：该方法包括使含有全氟烷基的化合物乳液聚合，含有不饱和双键的单体和表面活性剂的步骤，其中表面活性剂是选自非离子表面活性剂的表面活性剂的混合物。 阴离子和阳离子表面活性剂和全氟烷基醇。 优选地，全氟烷基醇由式1或2（式1：CnF2n + 1SO2N（R1）CH2CH2OH，式2：CnF2n + 1CH2CH2OH）表示，其中R1是甲基或乙基; n为3-21的整数。 表面活性剂的含量相对于单体重量为5〜15重量％，全氟烷基醇的含量为表面活性剂重量的2-30重量％。
-
公开(公告)号：KR100351630B1
公开(公告)日：2002-09-11
申请号：KR1019990014329
申请日：1999-04-22
Applicant: 한국화학연구원
IPC: C07C69/675 , C07C69/34
Abstract: 본발명은표면장력저하능이우수하며중금속및 유해유기물질에대한세척능우수하여수용성혹은유용성의계면활성제로또는토양세척제로유용한다음화학식 1로표시하는스피큘리스포릭산에스테르유도체에관한것이다. 상기화학식 1에서 : R, R및 R은각각알콕시기, 폴리옥시에틸렌기또는폴리옥시프로필렌기를나타낸다.
-
公开(公告)号：KR1020020006344A
公开(公告)日：2002-01-19
申请号：KR1020000039958
申请日：2000-07-12
IPC: C08J11/12
CPC classification number: Y02W30/703
Abstract: PURPOSE: A continuous polytetrafluoroethylene(PTFE) pyrolysis apparatus and a method for preparing PTFE using the apparatus are provided, to obtain tetrafluoroethylene of high purity massively with low cost. CONSTITUTION: The apparatus comprises at least two PTFE main tanks(10) which stores PTFE powder or particle and can be operated alternatively; a PTFE auxiliary tank(11) which is connected with the main PTFE main tanks(10) through a ball valve(24) and a transparent hose(12) for vacuum and stores PTFE supplied from the main tanks(10) temporarily before PTFE is applied to the process; a vertical-type screw feeder(13) which is operated by a motor and a magnetic driver, whose rotation number can be controlled, and which injects the PTFE supplied from the auxiliary tank(11) into a pyrolysis reactor through a cooler(15); and a vertical-type pyrolysis reactor(14) which pyrolyzes the PTFE supplied from the screw feeder(13) to generate tetrafluoroethylene gas and delivers the generated tetrafluoroethylene gas to a tetrafluoroethylene condensation tank.
Abstract translation: 目的：提供连续聚四氟乙烯（PTFE）热解装置和使用该装置制备PTFE的方法，以低成本大量获得高纯度的四氟乙烯。 构成：该装置包括至少两个PTFE主容器（10），其存储PTFE粉末或颗粒并且可以交替地操作; PTFE辅助罐（11），其通过球阀（24）与主PTFE主箱（10）连接，用于真空的透明软管（12），并且在PTFE之前临时存储从主箱（10）供应的PTFE 适用于该过程; 由马达和磁力驱动器操作的垂直式螺旋进料器（13），其旋转数可以被控制，并且通过冷却器（15）将从辅助罐（11）供应的PTFE注入热解反应器中， ; 和垂直型热解反应器（14），其热解由螺旋给料器（13）供应的PTFE以产生四氟乙烯气体，并将生成的四氟乙烯气体输送到四氟乙烯冷凝罐。
-
-
-
-
-
-
-
-
-
Search Results
115
records
(took 0.03 seconds)
