公开(公告)号：US08283494B2

公开(公告)日：2012-10-09

申请号：US12518118

申请日：2007-12-03

Applicant: Stephen Rudolf Alexander Zwart ,  Johannes Henricus Mennen

Inventor： Stephen Rudolf Alexander Zwart ,  Johannes Henricus Mennen

IPC: C07C273/04

CPC classification number: B01D3/343 ,  B01D5/006 ,  B01J3/04 ,  B01J2219/00006 ,  B01J2219/00108 ,  B01J2219/0011 ,  B01J2219/00162 ,  C07C273/04

Abstract: Process for the preparation of urea from ammonia and carbon dioxide in a urea production process comprising, in a high-pressure synthesis section: a. a reactor, wherein ammonia and carbon dioxide react to form a urea-comprising synthesis solution; b. a stripper, wherein the urea-comprising synthesis solution is heated and stripped, optionally in counter-current with a stripping agent; c. a submerged condenser, wherein the gas leaving the top of the stripper is, at least partially, condensed to form a condensate solution and d. an ejector, in the line connecting the submerged condenser and the reactor, supporting the transport of the condensate solution from the submerged condenser to the reactor, wherein a gas stream leaving the top of the submerged condenser is controlled by one or more controlling elements.

Abstract translation: 在尿素生产过程中由氨和二氧化碳制备尿素的方法，包括在高压合成段：a。 反应器，其中氨和二氧化碳反应以形成含尿素的合成溶液; b。 汽提器，其中所述含脲的合成溶液被加热和汽提，任选地与汽提剂逆流; C。 浸没冷凝器，其中离开汽提器顶部的气体至少部分地被冷凝以形成冷凝液和d。 喷射器，在连接浸没冷凝器和反应器的管线中，支持将冷凝液从浸没冷凝器输送到反应器，其中离开浸没式冷凝器顶部的气流由一个或多个控制元件控制。

公开(公告)号：US20110118506A1

公开(公告)日：2011-05-19

申请号：US12992890

申请日：2009-05-19

Applicant: Lambertus Wilhelmus Gevers ,  Jozef Hubert Meessen ,  Johannes Henricus Mennen

Inventor： Lambertus Wilhelmus Gevers ,  Jozef Hubert Meessen ,  Johannes Henricus Mennen

IPC: C07C273/04

CPC classification number: C07C273/04

Abstract: Process for the production of urea from ammonia and carbon dioxide in a urea plant containing a high-pressure synthesis section comprising at least one reactor section, a stripper and a condenser wherein all the high-pressure equipment is placed in a low position, wherein the height of the high-pressure section is less than 35 m from ground level and at least one of the reactor sections comprises means for the separate distribution of ammonia in the bottom of the reactor section.

Abstract translation: 在包含至少一个反应器部分，汽提塔和冷凝器的含有高压合成段的尿素装置中从氨和二氧化碳生产尿素的方法，其中所有高压设备都放置在低位置，其中 高压部分的高度距离地面低于35米，并且至少一个反应器部分包括用于在反应器部分的底部中单独分配氨的装置。

公开(公告)号：US5482997A

公开(公告)日：1996-01-09

申请号：US195056

申请日：1994-02-14

Applicant: Wilhelmus A. M. Debets ,  Herman A. J. Schepers

Inventor： Wilhelmus A. M. Debets ,  Herman A. J. Schepers

IPC: C08L77/00

CPC classification number: C08L77/00

Abstract: Impact resistant polyamide composition containing more than 45 wt. % polyamide and relatively minor amounts of an impact modifier. The impact modifier is an elastomer with groups that are reactive with respect to the polyamide. The impact modifier has an adverse effect on the high-temperature properties, which were already poor. According to the invention, compositions of polyamide, impact modifier and a copolymer of a vinylaromatic compound, in particular styrene, and maleic anhydride have improved high-temperature properties while maintaining good impact resistance.

Abstract translation: 耐冲击聚酰胺组合物含有超过45重量％ ％聚酰胺和相对少量的抗冲改性剂。 抗冲改性剂是具有相对于聚酰胺具有反应性的基团的弹性体。 抗冲击改性剂对高温性能有不利影响，这已经很差。 根据本发明，聚酰胺，抗冲击改性剂和乙烯基芳族化合物，特别是苯乙烯和马来酸酐的共聚物的组合物具有改善的高温性能，同时保持良好的耐冲击性。

公开(公告)号：US5430109A

公开(公告)日：1995-07-04

申请号：US114248

申请日：1993-09-01

Applicant: Eduard F. J. Duynstee ,  Lubertus Klumperman

Inventor： Eduard F. J. Duynstee ,  Lubertus Klumperman

IPC: C08F8/48 ,  C08F222/04 ,  C08F212/06

CPC classification number: C08F8/48 ,  C08F2800/20

Abstract: The invention relates to a thermoplastic polymer based on a vinyl monomer, which is characterized in that the polymer composition contains more than 1% (wt) of one or more compounds according to formula I and/or II: ##STR1## where R1 is a hydrogen atom, alkyl, aryl, cycloalkyl, cycloaryl and/or a halogen.By applying a polymer according to the invention the composition is protected against thermal decomposition so that the CO2 emission during or after processing is lower than 0.5% (wt). Polymers according to the invention are excellently suited for the production therefrom of dashboards for motor cars and of housings for electric equipment.

Abstract translation: 本发明涉及一种基于乙烯基单体的热塑性聚合物，其特征在于聚合物组合物含有超过1％（重量）的一种或多种根据式I和/或II的化合物：形式。 我表格。 其中R1是氢原子，烷基，芳基，环烷基，环芳基和/或卤素。 通过施加根据本发明的聚合物，保护组合物免受热分解，使得加工期间或之后的CO 2排放低于0.5％（重量）。 根据本发明的聚合物非常适合用于汽车和用于电气设备的壳体的仪表板的生产。

公开(公告)号：US5334455A

公开(公告)日：1994-08-02

申请号：US888888

申请日：1992-05-26

Applicant: Gerry K. Noren ,  John J. Krajewski ,  Sami A. Shama ,  John M. Zimmerman ,  Danny C. Thompson ,  John T. Vandeberg

Inventor： Gerry K. Noren ,  John J. Krajewski ,  Sami A. Shama ,  John M. Zimmerman ,  Danny C. Thompson ,  John T. Vandeberg

IPC: C08F265/04 ,  C08F299/04 ,  C08L67/06 ,  C09D167/06 ,  C09D167/07 ,  C14C11/00 ,  D21H19/16 ,  D21H19/48 ,  G03F7/027 ,  G03F7/029 ,  B32B27/38 ,  C08F2/50 ,  C08F16/32 ,  C08F22/10

CPC classification number: G03F7/029 ,  C08F265/04 ,  C08F299/0485 ,  C08L67/06 ,  C09D167/06 ,  C09D167/07 ,  C14C11/003 ,  D21H19/16 ,  D21H19/48 ,  G03F7/027 ,  Y10T428/31511 ,  Y10T428/31525 ,  Y10T428/31529 ,  Y10T428/31786 ,  Y10T428/31826

Abstract: A free-radical radiation curable composition comprising:a) at least one compound containing from one to about six vinyl ether groups; andb) at least one product obtainable by the reaction of a half-ester of maleic and/or fumaric acid with an epoxy functionalized compound,wherein the ratio of vinyl ether groups to maleate and/or fumarate groups is in the range of about 5:1 to about 1:5.

Abstract translation: 一种自由基可辐射固化组合物，其包含：a）至少一种含有1至约6个乙烯基醚基团的化合物; 和b）通过马来酸和/或富马酸的半酯与环氧官能化化合物的反应获得的至少一种产物，其中乙烯基醚基团与马来酸酯和/或富马酸酯基团的比例在约5 1：约1：5。

公开(公告)号：US5157064A

公开(公告)日：1992-10-20

申请号：US499588

申请日：1990-03-27

Applicant: Pieter Gijsman

Inventor： Pieter Gijsman

IPC: C08K3/24 ,  C08K3/16 ,  C08K5/00 ,  C08L77/00 ,  C08L77/06 ,  H01B3/30

CPC classification number: H01B3/305 ,  C08K3/16 ,  C08L77/06

Abstract: The invention relates to a stabilized polyamide 4.6 composition, which includes copper in the form of a water insoluble copper salt and a halogen-substituted organic compound.

公开(公告)号：US5102608A

公开(公告)日：1992-04-07

申请号：US635314

申请日：1991-01-03

Applicant: Eduard J. Frencken ,  Martin J. P. Flinsenberg

Inventor： Eduard J. Frencken ,  Martin J. P. Flinsenberg

IPC: B29C43/02 ,  B29C45/00 ,  B29C45/26 ,  B29D17/00 ,  B29K69/00 ,  B29L17/00 ,  G11B3/70 ,  G11B7/26

CPC classification number: B29C45/263 ,  B29D17/005 ,  G11B7/263 ,  B29K2069/00

Abstract: A process for the manufacture of objects by injection molding and/or compression molding starting from polycarbonate powder. The process is suitable for, inter alia, the manufacture of carriers for optically readable information such as audio and video discs.

公开(公告)号：US5080849A

公开(公告)日：1992-01-14

申请号：US360838

申请日：1989-06-02

Applicant: Cornelis W. M. Bastiaansen ,  Henricus E. H. Meijer ,  Zaheer Bashir

Inventor： Cornelis W. M. Bastiaansen ,  Henricus E. H. Meijer ,  Zaheer Bashir

IPC: B29C55/02 ,  B29C55/00 ,  B29C55/30 ,  B29K23/00 ,  B29L7/00 ,  C08J5/18 ,  D01F6/00 ,  D01F6/04 ,  D01F6/30 ,  D02J1/22 ,  D02J13/00

CPC classification number: C08J5/18 ,  B29C55/005 ,  D01F6/04 ,  B29K2023/06 ,  C08J2323/04

Abstract: A process for the manufacture of filaments, tapes and films that possess a shish kebab morphology. This is effected in that for instance UHMW PE after extrusion is stretched at a temperature between the melting temperature (Tm) and a critical temperature (Tc) and subsequently cooled in stressed condition. The stretching rate is between 0.1 and 10 sec..sup.-1.

公开(公告)号：US5071894A

公开(公告)日：1991-12-10

申请号：US562859

申请日：1990-08-03

Applicant: Edward D. Weil ,  Navin G. Patel ,  Robert M. Leeuwendal

Inventor： Edward D. Weil ,  Navin G. Patel ,  Robert M. Leeuwendal

IPC: C08K3/22 ,  C08K3/24 ,  C08K3/34 ,  C08K3/38 ,  C08K3/40 ,  C08K5/521 ,  C08K7/10 ,  C08L71/08 ,  C08L71/10 ,  C08L71/12 ,  C08L77/00 ,  C08L101/00

CPC classification number: C08K3/22 ,  C08K3/24 ,  C08L77/00

Abstract: A flame retardant polyamide composition including flame retardant effective amounts of (a) an iron compound and (b) a char forming thermoplastic polymer having aromatic groups in the backbone. A char stabilizing compound (c) may also be present. In a preferred embodiment (b) is a polyphenylene ether. In a preferred embodiment, (c) is anhydrous zinc borate or a wollastonite.

公开(公告)号：US5066725A

公开(公告)日：1991-11-19

申请号：US337874

申请日：1989-04-14

Applicant: Franciscus J. J. Haselier

Inventor： Franciscus J. J. Haselier

IPC: C08J9/14 ,  C08J9/00 ,  C08L23/00 ,  C08L23/04 ,  C08L23/06 ,  C08L23/08

CPC classification number: C08J9/0061 ,  C08L23/06 ,  C08L23/0815 ,  C08J2323/04 ,  C08J2423/00

Abstract: The invention relates to polyethylene compositions comprising 20-98 wt % branched polyethylene a) with a density of between 915 and 940 kg/m.sup.3 and a melt flow index of between 0.05 and 40 dg/minute, prepared by a high pressure radical process, and 2-80 wt % substantially linear polyethylene b) with a density of between 850 and 915 kg/m.sup.3, a melt flow index of between 0.05 and 25 dg/minute and a DSC crystallinity at 23.degree. C. of at least 10%, prepared with the aid of a transition metal catalyst, the difference between the highest crystallization temperature of branched polyethylene a) and the highest DSC crystallization temperature of linear polyethylene b) being at most 10.degree. C. and the mixture having modulus of elasticity of at most 280 N/mm.sup.2 and objects made therefrom. These polyethylene compositions, when processed to foamed objects, have a high resistance to high temperatures ss well as a high flexibility.