-
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。
-
公开(公告)号：KR100308525B1
公开(公告)日：2001-11-05
申请号：KR1019990015269
申请日：1999-04-28
Applicant: 한국화학연구원
IPC: C08G77/455
Abstract: 본발명은과불소알킬함유고분자분리막에관한것으로서, 더욱상세하게는과불소알킬함유다이아민과다이카르복시산유도체를중합시켜얻은과불소알킬함유고분자를이용하여제조된것으로기체분리, 투과증발, 한외여과, 정밀여과, 역삼투등의일반적인막분리공정에적용되어우수한분리능을나타내게되는고분자분리막에관한것이다.
-
公开(公告)号：KR1020010019203A
公开(公告)日：2001-03-15
申请号：KR1019990035492
申请日：1999-08-25
IPC: C07C17/00
Abstract: PURPOSE: A continuous preparation of perfluoroethyliodide denoted by C2F5I is accomplished under activate liquid catalyst. The compound is used in a variety of water/oil repellent process or contaminant-resistant agents and high performance surfactant. CONSTITUTION: A continuous preparation of perfluoroethyliodide is performed by using iodide, pentafluoroiodide, tetrafluoroethylene(TFE) and reaction catalyst. The preparation comprises further continuously introducing TFE under room pressure and in the presence of antimony pentafluoride (SbF5) reaction catalyst in liquid state to produce perfluoroethyliodide product. The iodide and iodide pentafluoride is admixed together in a reaction molar ratio (I2/IF5) of 0.02-5 and the reaction catalyst SbF5 is dissolved under stirring at room temperature to 50 deg.C.
Abstract translation: 目的：在活化液体催化剂下，由C2F5I连续制备全氟乙基碘。 该化合物用于各种防水/拒油工艺或耐污染剂和高性能表面活性剂。 构成：通过使用碘化物，五氟碘化物，四氟乙烯（TFE）和反应催化剂，连续制备全氟乙基碘。 该制剂包括在室温下和在五氟化锑（SbF 5）反应催化剂存在下在液态下进一步连续引入TFE以产生全氟乙基碘产物。 以0.02-5的反应摩尔比（I2 / IF5）将碘化物和碘化五氟化物混合在一起，在室温至50℃的搅拌下将反应催化剂SbF5溶解。
-
公开(公告)号：KR100265693B1
公开(公告)日：2000-09-15
申请号：KR1019970081945
申请日：1997-12-31
IPC: B01D69/12
Abstract: PURPOSE: Disclosed is a separation membrane containing perfluoroalkyl chain for selective separation of mixed gas of CO2, N2, O2, CH4, H2, NH3, H2O, hydrocarbon, or volatile organic compounds. CONSTITUTION: The separation membrane, C(W)(CF2)n(X)OCOC(Z)=CH2, where W is F3, F2Cl or F2H, X is (CH2)m, CON(Y)(CH2)m, SO2N(Y)(CH2)m, or CH2CH(Y)(CH2)m, Y is H, OH, CH3, C2H5, C3H7, or OCOCH3, Z is H or CH3, n is an integer of 1-20, and m is an integer of 0 or 1-4, is prepared by the polymerization of perfluoroalkyl acrylate monomer or the copolymerization of other comonomer. The phase transfer method or the preparation method of composite membrane are employed to present alkyl chain,£C(W)(CF2)n-|and to have a critical surface tension of 8-20 dynes/cm, a contact angle of 110-120°to water and of 66-100°to diiodomethane. The employed polymers have a molecular weight of 10,000-100,000 and inorganic materials such as polymer, ceramic, or zeolite may be used.
Abstract translation: 目的：公开了一种用于选择性分离CO 2，N 2，O 2，CH 4，H 2，NH 3，H 2 O，烃或挥发性有机化合物的混合气体的全氟烷基链的分离膜。 构成：分离膜C（W）（CF2）n（X）OCOC（Z）= CH2，其中W为F3，F2Cl或F2H，X为（CH2）m，CON（Y）（CH2）m，SO2N （Y）（CH2）m或CH2CH（Y）（CH2）m，Y是H，OH，CH3，C2H5，C3H7或OCOCH3，Z是H或CH3，n是1-20的整数，m 是0或1-4的整数，通过丙烯酸全氟烷基酯单体的聚合或其它共聚单体的共聚制备。 使用复合膜的相转移方法或制备方法来提供烷基链，C（W）（CF 2）n- |，并具有8-20达因/厘米的临界表面张力，接触角为110- 120°与水和66-100°至二碘甲烷。 使用的聚合物的分子量为10,000-100,000，可以使用无机材料如聚合物，陶瓷或沸石。
-
Patent Agency Ranking
公开(公告)号：KR1020000010120A
公开(公告)日：2000-02-15
申请号：KR1019980030863
申请日：1998-07-30
Applicant: 한국화학연구원
IPC: C09K3/18
CPC classification number: C09K3/18 , C08G77/00 , C08G2310/00
Abstract: PURPOSE: A film used for green house and agriculture needs properties such as good light permeability, pollution resistance from soil dust, and good defogging ability. CONSTITUTION: The invention is disclosed a defogging agent prepared from random copolymerization of 20-70 weight % of compound containing perfluoro-alkyl group, and 10-50 weight % of silicone compound, and 5-30 % weight of a cross-linking monomer having substituted or unsubstituted hydroxyl group and alkyl group. The defogging agent is added to films used in agriculture such as polyvinyl film, polyethylene film, ethylene-vinylacetate film, and polyester film. The properties of film like light permeability, defogging ability, and pollution resistance to soil dust is improved by the defogging agent.
Abstract translation: 目的：用于温室和农业的电影需要良好的透光性，防尘污染和良好的除雾能力等性能。 构成：本发明公开了一种除霜剂，其由20-70重量％的含全氟烷基的化合物和10-50重量％的硅氧烷化合物的无规共聚制备，和5-30重量％的交联单体，其具有 取代或未取代的羟基和烷基。 将除雾剂添加到农业中使用的膜，如聚乙烯薄膜，聚乙烯薄膜，乙烯 - 乙酸乙烯酯薄膜和聚酯薄膜。 除雾剂可以改善薄膜的透光性，除雾能力和对土壤灰尘的抗污性等性能。
-
公开(公告)号：KR100228750B1
公开(公告)日：1999-11-01
申请号：KR1019970061769
申请日：1997-11-21
Applicant: 한국화학연구원
IPC: B09C1/00
Abstract: 본 발명은 수용성 및 생분해성 금속 이온포착제를 이용한 토양 정화방법에 관한 것으로서, 더욱 상세하게는 에스신(Escin)을 금속 이온포착제로 사용하여 중금속으로 오염된 토양을 정화할 수 있을 뿐만 아니라 이들이 수용성 및 생분해성 특성을 지니고 있어 자연환경으로 방출시에도 2차적인 환경오염을 발생시키지 않고, 또한 재활용이 가능하며 경제적으로도 유용한 수용성 및 생분해성 금속 이온포착제를 이용한 토양 정화방법에 관한 것이다.
-
-
公开(公告)号：KR100340211B1
公开(公告)日：2002-06-12
申请号：KR1019990035492
申请日：1999-08-25
IPC: C07C17/00
Abstract: 본발명은활성액상촉매를이용한과불소에틸요오드(CFI)의연속적인제조방법에관한것으로서, 더욱상세하게는요오드, 오불화요오드(IF), 테트라플루오로에틸렌(tetrafluoroethylene, 이하 TFE라한다) 및반응촉매를사용하여과불소에틸요오드를제조하는방법에있어서, 활성촉매인액체상태의오불화안티몬(SbF) 반응촉매하에서상압의 TFE를연속적으로주입하여과불소에틸요오드를연속적으로제조하는방법에관한것이다. 합성된과불소에틸요오드는각종발수/발유/방오가공제, 고성능계면활성제및 이형제등의표면개질제의중간원료와요오드레이저등에사용된다.
-
公开(公告)号：KR1020020009322A
公开(公告)日：2002-02-01
申请号：KR1020000043116
申请日：2000-07-26
Applicant: 한국화학연구원
IPC: C08G18/50
CPC classification number: C08G18/5003 , C08G18/0866 , C08L75/04 , C08L2201/54
Abstract: PURPOSE: Provided is a fluorine-based water-dispersive polyurethane excellent in antifouling property, water repellent property, and oil repellent property and soft, which can be used as a coating agent for fiber, paper, and building industries. CONSTITUTION: The water-dispersive polyurethane is produced by copolymerizing a fluorine-based macromonomer containing a perfluoroalkyl group, a diisocyanate, and a hydrophilic diol, wherein the fluorine-based macromonomer is produced by using a monomer (formula 1:XCnF2n-(Y)-OCOCR1=CH2) containing the perfluoroalkyl group and a comonomer having an unsaturated double bond, such as acrylic acid and methacrylic acid, in the weight ratio of 95/5-5/95. In the formula, Y is -(CH)2-, -(CH2)m-, -CH2CH(OH)(CH2)m-, or -SO2NR2(CH2)m-, R1 is H or -CH3, R2 is C1-C4 alkyl, X is H or halogen, m is an integer of 2-6, and n is an integer of 3-21.
Abstract translation: 目的：提供防污性，防水性，防油性和柔软性优异的氟系水分散性聚氨酯，可用作纤维，造纸和建筑行业的涂料。 构成：通过使含有全氟烷基，二异氰酸酯和亲水性二醇的氟系大分子单体共聚来制造水分散性聚氨酯，其中，通过使用单体制备氟系大分子单体（式1：XCnF2n-（Y） -OCOCR1 = CH2）和具有不饱和双键的共聚单体，如丙烯酸和甲基丙烯酸，重量比为95 / 5-5 / 95。 在该式中，Y是 - （CH）2 - ， - （CH 2）m - ， - CH 2 CH（OH）（CH 2）m - 或-SO 2 NR（CH 2）m - ，R 1是H或-CH 3， -C4烷基，X是H或卤素，m是2-6的整数，n是3-21的整数。
-
-
-
-
-
-
-
-
-
Search Results
37
records
(took 0.024 seconds)
