公开(公告)号：WO1993013151A1

公开(公告)日：1993-07-08

申请号：PCT/US1992010938

申请日：1992-12-16

Applicant: THE DOW CHEMICAL COMPANY

Inventor： THE DOW CHEMICAL COMPANY ,  DAI, Shenghong, A.

IPC: C08G18/02

CPC classification number: C08G18/003 ,  C08G18/022 ,  C08G18/1875 ,  C08G18/2036 ,  C08G18/34 ,  C08G2101/00 ,  C08G2105/02

Abstract: Two component catalyst systems containing (1) an N,N',N''-tris(N,N-dialkylaminoalkyl)-s-triazine component, and (2) a monocarboxylic acid component wherein the monocarboxylic acid component is one or more monocarboxylic acids having 4 to 18 carbons are useful for polymerizing di- or poly-isocyanates, and, optionally, epoxies. The catalyst systems can often be particularly useful for preparing polymer foams which have good heat resistivity and dimensional stability properties compared to conventionally formed foams. The ratio of the two components of the catalyst system, along with the amount of the catalyst system used to prepare a polymer formulation, can be adjusted such that the monocarboxylic acid component can react with isocyanate group containing compounds in the foam formulations to provide carbon dioxide to function as a sole blowing agent, or as a partial blowing agent used in conjunction with other conventional blowing agents.

公开(公告)号：WO1993013143A1

公开(公告)日：1993-07-08

申请号：PCT/US1992011269

申请日：1992-12-29

Applicant: THE DOW CHEMICAL COMPANY

Inventor： THE DOW CHEMICAL COMPANY ,  PARIKH, Deepak, R. ,  CARDWELL, Robert, S. ,  KOLTHAMMER, Brian, W., S.

IPC: C08F10/02

CPC classification number: C08F297/08 ,  C08F4/65904 ,  C08F4/65908 ,  C08F4/65912 ,  C08F4/6592 ,  C08F10/00 ,  C08F10/02 ,  C08F110/02 ,  C08L23/0815 ,  C08L2205/02 ,  C08L2308/00 ,  C08L2314/06 ,  C08L2666/06 ,  C08F4/65916 ,  C08F2/34 ,  C08F2500/12 ,  C08F2500/03 ,  C08L2666/04

Abstract: A new process of interpolymerizing ethylene interpolymer products having improved properties, such as increased onset of crystallization temperature, is disclosed. Preferably, the process comprises interpolymerizing a first homogeneous ethylene/alpha-olephin interpolymer and at least one second homogeneous ethylene/alpha-olephin interpolymer using at least two constrained geometry catalysts having different reactivities such that the first ethylene/alpha-olephin interpolymer has a narrow molecular weight distribution (NMWD) with a very high comonomer content and relatively high molecular weight and the second ethylene/alpha-olefin interpolymer has a NMWD with a low comonomer content and a molecular weight lower than that of the first interpolymer. The resultant first homogeneous interpolymer is combined with the resultant second homogeneous interpolymer in appropriate weight ratios resulting in the desired finished polymer structure. The first interpolymer and the second interpolymer can be polymerized in a single reactor or they can be polymerized in separate reactors operated in parallel or series.

Abstract translation: 公开了具有改进性能的乙烯互聚物产物的新聚合方法，例如结晶温度的开始增加。 优选地，该方法包括使用具有不同反应性的至少两种约束几何催化剂使第一均匀乙烯/α-烯烃互聚物和至少一种第二均相乙烯/α-烯烃互聚物互聚，使得第一乙烯/α-烯烃互聚物具有窄的 具有非常高的共聚单体含量和相对高分子量的分子量分布（NMWD），第二乙烯/α-烯烃互聚物具有低共聚单体含量低于第一互聚物的分子量的NMWD。 将所得第一均匀互聚物与所得的第二均相互聚物以适当的重量比组合，得到所需的最终聚合物结构。 第一互聚物和第二互聚物可以在单个反应器中聚合，或者它们可以在并行或串联操作的分离的反应器中聚合。

公开(公告)号：WO1993013061A1

公开(公告)日：1993-07-08

申请号：PCT/US1992009920

申请日：1992-11-09

Applicant: THE DOW CHEMICAL COMPANY

Inventor： THE DOW CHEMICAL COMPANY ,  ROMER, Duane, R. ,  PEWS, R., Garth

IPC: C07C331/04

CPC classification number: A01N47/48 ,  C07C331/04 ,  C07C331/10

Abstract: Dimercapto-substituted dinitriles are prepared which correspond to formula (I) wherein X represents (a) or (b). These compounds have been found to exhibit antimicrobial activity in industrial and commercial applications and compositions containing these compounds are so employed.

公开(公告)号：WO1993012187A1

公开(公告)日：1993-06-24

申请号：PCT/US1992011075

申请日：1992-12-17

Applicant: THE DOW CHEMICAL COMPANY ,  KLEIN, Dieter, H. ,  WESSELY, Hans, J.

Inventor： THE DOW CHEMICAL COMPANY

IPC: C09D163/00

CPC classification number: C08L63/00 ,  C08G59/18 ,  C08G59/504 ,  C08L71/02 ,  C08L2666/22 ,  C08L2666/14

Abstract: A water miscible or soluble amine terminated resin useful as a curing agent comprising the reaction product of: A) a polyamine component comprising one or more hydrophilic amine terminated polyalkylene glycols, and optionally one or more hydrophobic polyamines; B) a polyepoxide component comprising one or more diglycidyl ethers of a polyalkylene glycol, one or more diglycidyl ethers of a cycloalkylene glycol and optionally one or more hydrophobic polyglycidyl ethers, wherein the mixture is optionally advanced by an amine extender; C) optionally, a reactive diluent which is capable of reacting with an epoxy resin; and D) optionally, a catalyst for the reaction of an amine with an epoxy resin; wherein Component A is employed in an equivalent excess with respect to Component B such that the terminal moieties of the reaction product are amine moieties capable of reacting with an epoxy resin; the composition has an amine hydroxy equivalent weight of from 140 to 240; and the composition is water soluble or water miscible. In preferred embodiments such amine terminated resin is an efficient pigment grinding vehicle. The aminate terminated resin can be dispersed in water with a polyepoxide to form a coating composition.

Abstract translation: 可用作固化剂的水混溶性或可溶性胺封端树脂，其包含以下反应产物：A）包含一种或多种亲水胺封端的聚亚烷基二醇和任选的一种或多种疏水多胺的多胺组分; B）聚环氧化物组分，其包含一种或多种聚亚烷基二醇的二缩水甘油醚，一种或多种环亚烷基二醇的二缩水甘油醚和任选的一种或多种疏水性多缩水甘油醚，其中所述混合物任选地由胺增量剂前驱; C）任选地，能够与环氧树脂反应的反应性稀释剂; 和D）任选地，用于胺与环氧树脂反应的催化剂; 其中组分A相对于组分B以相等的过量使用，使得反应产物的末端部分是能够与环氧树脂反应的胺部分; 该组合物的胺羟基当量为140-240; 并且组合物是水溶性或水混溶性的。 在优选的实施方案中，这种胺封端的树脂是有效的颜料研磨载体。 酰胺封端的树脂可以用聚环氧化物分散在水中以形成涂料组合物。

公开(公告)号：WO1993011800A1

公开(公告)日：1993-06-24

申请号：PCT/US1992011003

申请日：1992-12-10

Applicant: THE DOW CHEMICAL COMPANY ,  KIEFER, Garry, E. ,  SIMON, Jaime

Inventor： THE DOW CHEMICAL COMPANY

IPC: A61K49/00

CPC classification number: A61K51/1093 ,  A61K51/0482 ,  A61K2123/00 ,  C07D471/08 ,  C07D487/08

Abstract: Complexes of bicyclopolyazamacrocyclocarboxylic acid with Gd, Mn or Fe ions are disclosed. The complexes can be covalently attached to a biologically active molecule, e.g. an antibody or antibody fragment, to form conjugates. The complexes and conjugates are useful as contrast agents for diagnostic purposes. Processes for preparing both the complex and conjugate are disclosed.

Abstract translation: 公开了双环多氮杂环羧酸与Gd，Mn或Fe离子的配合物。 络合物可以共价连接到生物活性分子，例如， 抗体或抗体片段，以形成缀合物。 复合物和缀合物可用作诊断目的的造影剂。 公开了制备复合物和共轭物的方法。

公开(公告)号：WO1993011092A1

公开(公告)日：1993-06-10

申请号：PCT/US1992010080

申请日：1992-11-24

Applicant: THE DOW CHEMICAL COMPANY

Inventor： THE DOW CHEMICAL COMPANY ,  VRIELAND, G., Edwin ,  DOKTYCZ, Stephen, J. ,  KHAZAI, Bijan

IPC: C07C11/167

CPC classification number: C03C14/004 ,  B01J23/28 ,  B01J37/0018 ,  C03C2214/04 ,  C07C5/42 ,  C07C2521/04 ,  C07C2521/08 ,  C07C2521/10 ,  C07C2523/04 ,  C07C2523/28 ,  C07C11/167

Abstract: A process for preparing olefins and diolefins in high productivity which involves contacting an aliphatic hydrocarbon, such as butane, with a heterogeneous catalyst composition containing reactive oxygen under reaction conditions sufficient to produce a more highly unsaturated aliphatic hydrocarbon, such as 1,3-butadiene. The catalyst composition contains a glassy silica matrix of specified surface area and macroporosity into which are encapsulated domains of a catalyst component containing oxides of magnesium and molybdenum. The catalyst has high crush strength and is useful in transport reactors.

Abstract translation: 一种以高生产率制备烯烃和二烯烃的方法，其包括使脂族烃如丁烷与含有活性氧的非均相催化剂组合物在足以产生更高度不饱和的脂族烃如1,3-丁二烯的反应条件下接触。 催化剂组合物含有具有特定表面积和大孔性的玻璃状二氧化硅基质，其中含有含有镁和钼的氧化物的催化剂组分的包封区域。 该催化剂具有很高的压碎强度，并且可用于运输反应器。

公开(公告)号：WO1993007193A1

公开(公告)日：1993-04-15

申请号：PCT/US1992008367

申请日：1992-09-30

Applicant: THE DOW CHEMICAL COMPANY

Inventor： THE DOW CHEMICAL COMPANY ,  MILOVANOVIC, Olga ,  SOOD, Rajinder

IPC: C08G18/38

CPC classification number: C08G18/632 ,  C08G18/3851 ,  C08G18/409 ,  C08G2101/0008 ,  C08K5/34922 ,  C08L75/04

Abstract: This invention relates to the preparation of stable melamine dispersions in a polymer polyol. Stable dispersions of melamine particles having a mean particle size of from 10 to 125 microns in a continuous phase preferably comprising an SAN type polymer polyol and an inorganic particulate solid having an average particle size of from 5 to 30 nanometers are disclosed. The stable melamine dispersions are useful in the manufacture of combustion-modified flexible polyurethane foam.

Abstract translation: 本发明涉及在聚合物多元醇中制备稳定的三聚氰胺分散体。 公开了平均粒度为10至125微米的三聚氰胺颗粒在连续相中的稳定分散体，优选包含SAN型聚合物多元醇和平均粒度为5至30纳米的无机颗粒固体。 稳定的三聚氰胺分散体可用于制造燃烧改性的柔性聚氨酯泡沫。

公开(公告)号：WO1993006475A1

公开(公告)日：1993-04-01

申请号：PCT/US1992008071

申请日：1992-09-23

Applicant: THE DOW CHEMICAL COMPANY

Inventor： THE DOW CHEMICAL COMPANY ,  DASGUPTA, Purnendu, K. ,  LI-YUAN, Bao ,  ROCKLIN, Roy, D. ,  POHL, Christopher, A. ,  STILLIAN, John ,  AVDALOVIC, Neboisa

IPC: G01N27/447

CPC classification number: G01N27/4473 ,  G01N2030/965

Abstract: Improved capillary electrophoresis apparatus of the type that generally includes a capillary tube, the capillary tube having a sample inlet end and an outlet end, a first electrode in electrical communication with the inlet end of the capillary tube, a second electrode in electrical communication with the outlet end of the capillary tube and a high voltage power supply in electrical communication with the first and second electrodes. The improvement is to connect a miniature Ion Chromatography membrane suppressor to the outlet end of the capillary tube, to connect a conductivity detector to the membrane suppressor and to place the second electrode in the regenerant compartment of the membrane suppressor. The method embodiment of the invention for anion analysis includes the steps of: (a) separating anions of interest by capillary electrophoresis in a buffer solution; (b) exchanging cations of the buffer for regenerant cations using an ion chromatography membrane suppressor to reduce the electrical conductivity of the buffer to produce a suppressed buffer; and (c) measuring the electrical conductivity of the suppressed buffer to determine the separated anions. Similarly, the method embodiment of the invention for cation analysis includes the steps of: (a) separating cations of interest by capillary electrophoresis in a buffer solution; (b) exchanging anions of the buffer for regenerant anions using a stationary means for exchanging anions thereby reducing the electrical conductivity of the buffer to produce a suppressed buffer; and (c) measuring the electrical conductivity of the suppressed buffer to determine the separated cations.

Abstract translation: 改进的毛细管电泳装置通常包括毛细管，毛细管具有样品入口端和出口端，与毛细管的入口端电连通的第一电极，与第二电极电连通的第二电极 毛细管的出口端和与第一和第二电极电连通的高压电源。 改进之处是将微型离子色谱膜抑制器连接到毛细管的出口端，将电导率检测器连接到膜抑制器上，并将第二电极放置在膜抑制器的再生室中。 用于阴离子分析的本发明的方法实施方案包括以下步骤：（a）通过毛细管电泳在缓冲溶液中分离感兴趣的阴离子; （b）使用离子色谱膜抑制剂交换用于再生阳离子的缓冲液的阳离子，以降低缓冲液的电导率以产生抑制缓冲液; 和（c）测量抑制缓冲液的电导率以确定分离的阴离子。 类似地，用于阳离子分析的本发明的方法实施例包括以下步骤：（a）通过毛细管电泳在缓冲溶液中分离目标阳离子; （b）使用用于交换阴离子的固定装置交换用于再生阴离子的缓冲液的阴离子，从而降低缓冲液的电导率以产生抑制缓冲液; 和（c）测量抑制缓冲液的电导率以确定分离的阳离子。

公开(公告)号：WO1993005866A1

公开(公告)日：1993-04-01

申请号：PCT/US1992007746

申请日：1992-09-11

Applicant: THE DOW CHEMICAL COMPANY

Inventor： THE DOW CHEMICAL COMPANY ,  PARKER, Theodore, L. ,  SANDERS, Edgar, S., Jr.

IPC: B01D53/22

CPC classification number: B01D67/0093 ,  B01D69/122 ,  B01D69/125 ,  B01D71/52 ,  B01D71/82 ,  B01D2323/30 ,  C08G61/00 ,  C08G65/48

Abstract: The invention relates to semi-permeable gas separation membranes derived from oligomers containing reactive end groups.

公开(公告)号：WO1993003341A1

公开(公告)日：1993-02-18

申请号：PCT/US1992006557

申请日：1992-08-06

Applicant: THE DOW CHEMICAL COMPANY ,  RUHL, Harry, DeVere, Jr. ,  BEEBE, Kenneth, Russel

Inventor： THE DOW CHEMICAL COMPANY

IPC: G01J03/46

CPC classification number: G01N21/274 ,  G01J2003/2879 ,  G01N2201/129

Abstract: The system consists of light source (2), a monochrometer (4), one or more etalons or other samples (7), a detector (8) and a computer (10) to store reference spectra, provide a read out indicative of the spectrum and to change the instrument response. A transfer function is used to recharacterize the instrument's wavelength position and intensity response to match the actual spectrum with the standard spectrum. In one embodiment, the etalon (7) is used in series with the unknown sample (9). A spectrum of the unknown sample and etalon (7) is created and is extracted from the spectrum of the unknown sample (9) alone to provide the actual spectrum of the instrument response to the etalon (7) alone. The actual spectrum can then be compared to the standard spectrum and the instrument response recharacterized accordingly.

Abstract translation: 该系统由光源（2），单色仪（4），一个或多个标准具或其他样品（7），检测器（8）和存储参考光谱的计算机（10）组成，提供指示 并改变仪器响应。 传递函数用于重新定义仪器的波长位置和强度响应，以将实际光谱与标准光谱相匹配。 在一个实施例中，标准具（7）与未知样品（9）串联使用。 创建未知样品和标准具（7）的光谱，并从单独的未知样品（9）的光谱中提取，以提供仪器对标准具（7）的响应的实际光谱。 然后可以将实际光谱与标准光谱进行比较，并且相应地重新表征仪器响应。