专利快速检索-快速检索全球专利，免费商用专利数据库-IPRDB

1. 发明授权

US06765081B2 Thermal responsive, water-soluble polymers 有权
标题翻译：热响应性，水溶性聚合物
公开(公告)号：US06765081B2
公开(公告)日：2004-07-20
申请号：US10136348
申请日：2002-05-02
申请人： Chih-Hsiang Lin , In-Mau Chen , Wen-Ling Lui
发明人： Chih-Hsiang Lin , In-Mau Chen , Wen-Ling Lui
IPC分类号： C08G6916
CPC分类号： C08F220/54
摘要： A thermal responsive, water soluble polymer. The polymer comprises the co-polymerization product of: (a) 5˜95 wt % of N-isopropyl acrylamide (NIP); (b) 0.1˜80 wt % of 1-vinyl-2-pyrrolidinone (VPD); and optionally, (c) 0.1˜30 wt % of acrylic acid (AA). As the proportion of component (b) VPD increases, the Lower Critical Solution Temperature (LCST) and water solubility of the polymer increases. On the other hand, as the proportion of component (c) AA increases, the Lower Critical Solution Temperature (LCST) decreases and the COOH reactive groups increases, which impart high reactivity to the copolymer. By adjusting the proportion of the monomers, a broad range of LCST can be manipulated from about 20 to 80° C.
摘要翻译：热敏水溶性聚合物。聚合物包括：（a）5-95重量％的N-异丙基丙烯酰胺（NIP）的共聚合产物; （b）0.1-80重量％的1-乙烯基-2-吡咯烷酮（VPD）; 和（c）0.1〜30重量％的丙烯酸（AA）。随着组分（b）VPD的比例增加，聚合物的较低临界溶液温度（LCST）和水溶性增加。另一方面，随着组分（c）AA的比例增加，下临界溶液温度（LCST）降低，COOH反应基团增加，赋予共聚物高反应性。通过调节单体的比例，可以从约20至80℃操纵宽范围的LCST。

2. 发明授权

US06737499B2 Process for the production of polyamide 失效
标题翻译：聚酰胺生产工艺
公开(公告)号：US06737499B2
公开(公告)日：2004-05-18
申请号：US10146370
申请日：2002-05-15
申请人： Heinrich Haupt , Dieter Göbbels , Konrad Triebeneck , Andreas Gittinger
发明人： Heinrich Haupt , Dieter Göbbels , Konrad Triebeneck , Andreas Gittinger
IPC分类号： C08G6916
CPC分类号： C08G69/04 , C08G69/16
摘要： A process for using low-molecular weight compounds that are water-extracted from (co)polyamides in the production of polyamide is disclosed. The process entails reacting these compounds with 10 to 15 wt. % water for a period of 3.5 to 6 hours at a temperature of 220° C. to 270° C., and polymerizing the resulting product along with caprolactam.
摘要翻译：公开了一种在聚酰胺生产中使用从（共）聚酰胺水提取的低分子量化合物的方法。该方法需要使这些化合物与10至15wt。％水，温度为220〜270℃，时间为3.5〜6小时，并与己内酰胺一起聚合得到的产物。

3. 发明授权

US06495657B1 Two dimensional polyamides prepared from unsaturated carboxylic acids and amines 失效
标题翻译：由不饱和羧酸和胺制备的二维聚酰胺
公开(公告)号：US06495657B1
公开(公告)日：2002-12-17
申请号：US09698619
申请日：2000-10-27
申请人： William F. McDonald , Zhi Heng Huang , Stacy C. Wright , Morris Danzig , Andrew C. Taylor
发明人： William F. McDonald , Zhi Heng Huang , Stacy C. Wright , Morris Danzig , Andrew C. Taylor
IPC分类号： C08G6916
CPC分类号： C08G69/26 , C08G69/02 , C08G69/04 , C08G69/265 , Y10S128/22 , Y10T428/31504 , Y10T428/31562 , Y10T428/31725
摘要： A polyamide and a process for preparing the polyamide are disclosed. The process comprises reacting in a reaction mixture a monomer selected from unsaturated carboxylic acids, esters of unsaturated carboxylic acids, anhydrides of unsaturated carboxylic acids, and mixtures thereof, and a first amine to form an intermediate reaction product in the reaction mixture, wherein the first amine is selected from RR1NH, RNH2, RR1NH2+, RNH3+ and mixtures thereof, wherein R and R1 can be the same or different and each contain between about 1 and 50 carbon atoms and are optionally substituted with heteroatoms oxygen, nitrogen, sulfur, and phosphorus and combinations thereof, and reacting the intermediate reaction product and a second amine to form a polyamide, wherein the second amine is selected from R2R3NH, R2NH2, R2R3NH2+, R2NH3+ and mixtures thereof wherein R2 and R3 can be the same or different and each contain between about 1 and 50 carbon atoms and are optionally substituted with heteroatoms oxygen, nitrogen, sulfur, and phosphorus and combinations thereof, wherein multiple of the R, R1, R2, and R3 are in vertically aligned spaced relationship along a backbone formed by the polyamide. In one version of the invention, the monomer is selected from maleic anhydride, maleic acid esters, and mixtures thereof. In another version of the invention, the first amine is an alkylamine, such as tetradecylamine, and the second amine is a polyalkylene polyamine, such as pentaethylenehexamine. In yet another version of the invention, the first amine and the second amine are olefinic or acetylenic amines, such as the reaction products of an alkyldiamine and an acetylenic carboxylic acid. The first amine and the second amine may be the same or different depending on the desired polyamide polymer structure.
摘要翻译：公开了聚酰胺和制备聚酰胺的方法。该方法包括在反应混合物中使选自不饱和羧酸，不饱和羧酸的酯，不饱和羧酸的酸酐及其混合物的单体和第一胺反应以在反应混合物中形成中间反应产物，其中第一胺选自RR1NH，RNH2，RR1NH2 +，RNH3 +及其混合物，其中R和R 1可以相同或不同，并且各自含有约1至50个碳原子，并且任选被杂原子氧，氮，硫和磷取代，并且并且使中间反应产物和第二胺反应以形成聚酰胺，其中第二胺选自R2R3NH，R2NH2，R2R3NH2 +，R2NH3 +及其混合物，其中R2和R3可以相同或不同，并且各自含有约 1和50个碳原子，并且任选被杂原子氧，氮，硫和磷及其组合取代这里R，R 1，R 2和R 3的多个与由聚酰胺形成的骨架处于垂直对齐的间隔关系。在本发明的一个方案中，单体选自马来酸酐，马来酸酯及其混合物。在本发明的另一种形式中，第一种胺是烷基胺，如十四烷基胺，第二种胺是聚亚烷基多胺，如五亚乙基六胺。在本发明的又一版本中，第一种胺和第二种胺是烯属或炔属胺，如烷基二胺和炔属羧酸的反应产物。根据所需的聚酰胺聚合物结构，第一胺和第二胺可以相同或不同。

4. 发明授权

US06479620B1 Process for converting caprolactam to nylon 6 有权
标题翻译：将己内酰胺转化成尼龙6的方法
公开(公告)号：US06479620B1
公开(公告)日：2002-11-12
申请号：US09872288
申请日：2001-06-01
申请人： Stuart B. Fergusson , Ernest Keith Marchildon , Ahmet Turgut Mutel
发明人： Stuart B. Fergusson , Ernest Keith Marchildon , Ahmet Turgut Mutel
IPC分类号： C08G6916
CPC分类号： C08G69/04 , C08G69/16 , Y02P20/127
摘要： A process for making nylon 6, in which caprolactam and water are reacted in a multistage reactive distillation column.
摘要翻译：制备尼龙6的方法，其中己内酰胺和水在多级反应蒸馏塔中反应。

5. 发明授权

US06528614B2 Process for the production of polyamide-6 from epsilon-caprolactam 失效
标题翻译：从ε-己内酰胺生产聚酰胺-6的方法
公开(公告)号：US06528614B2
公开(公告)日：2003-03-04
申请号：US09815288
申请日：2001-03-23
申请人： Ernst E. G. Kloosterman , Albert A. A. Van Geenen , Cornelis C. L. Van Der Sluijs , Erik E. R. Peerlkamp , Theo T. K. Schulpen , Ronald R. J. H. Hoenen
发明人： Ernst E. G. Kloosterman , Albert A. A. Van Geenen , Cornelis C. L. Van Der Sluijs , Erik E. R. Peerlkamp , Theo T. K. Schulpen , Ronald R. J. H. Hoenen
IPC分类号： C08G6916
CPC分类号： C08G69/46 , C08G69/16
摘要： The invention relates to a process for the production of polyamide-6 by polymerization of &egr;-caprolactam with full re-use of extracted caprolactam and oligomers. The extract is not subjected to a pretreatment for reduction of the cyclic dimer content. By carrying out the polymerization in two steps, the first at an elevated pressure, but lower than the vapor pressure of the reaction mixture supplied, and the second at approximately atmospheric or reduced pressure, the cyclic dimer content of the polymerizate leaving the second polymerization step is kept at a constant level. The process offers a high degree of flexibility in terms of production capacity and composition and proportion of recycled lactam in the lactam feed for the polymerization.
摘要翻译：本发明涉及通过全部重复使用提取的己内酰胺和低聚物聚合ε-己内酰胺来生产聚酰胺-6的方法。提取物不经受用于还原环状二聚体含量的预处理。通过两步进行聚合反应，首先在高压下提供反应混合物的蒸汽压，但低于大气压或减压下的反应混合物的蒸气压，然后离开第二聚合步骤的聚合物的环状二聚体含量保持在一个恒定的水平。该方法在生产能力以及用于聚合的内酰胺进料中的回收内酰胺的组成和比例方面提供了高度的灵活性。

6. 发明授权

US06320021B1 Continuous polyamide extraction process 有权
标题翻译：连续聚酰胺萃取工艺
公开(公告)号：US06320021B1
公开(公告)日：2001-11-20
申请号：US09554217
申请日：2000-05-11
申请人： Peter Hildenbrand , Reinhard Lang , Alfons Ludwig , Gunter Pipper
发明人： Peter Hildenbrand , Reinhard Lang , Alfons Ludwig , Gunter Pipper
IPC分类号： C08G6916
CPC分类号： C08G69/16 , C08G69/46
摘要： A process for continuous extraction of polyamide particles in an essentially vertical extraction column using an aqueous extractant comprises using an extraction column that is divided into two zones and performing an extraction with a recirculating 15-40% strength by weight aqueous &egr;-caprolactam solution in the first zone and then with countercurrent water at a from 5 to 40° C. lower temperature in the second zone. The process provides for economical extraction of polyamides with a low level of monomers and oligomers.
摘要翻译：使用含水萃取剂在基本垂直的萃取塔中连续提取聚酰胺颗粒的方法包括使用分离成两个区域的提取塔，并用15-40重量％的重量百分比的ε-己内酰胺水溶液萃取然后在5至40℃的逆流水中，在第二区域中的较低温度。该方法提供了用低水平的单体和低聚物经济地提取聚酰胺。

7. 发明授权

US06258926B1 Process and device for producing high-viscosity or highly stabilized reaction-stable polyamides, and for continuously demonomerizing polyamides 失效
标题翻译：用于生产高粘度或高度稳定的反应稳定的聚酰胺以及用于连续使单体异构化聚酰胺的方法和装置
公开(公告)号：US06258926B1
公开(公告)日：2001-07-10
申请号：US08894656
申请日：1997-10-27
申请人： Karl-Heinz Wiltzer , Baldur Ebert , Hans Brutting , Peter Lausmann
发明人： Karl-Heinz Wiltzer , Baldur Ebert , Hans Brutting , Peter Lausmann
IPC分类号： C08G6916
CPC分类号： C08G69/46 , C08G69/16 , D01F6/60
摘要： The invention concerns a process and device for producing high-viscosity or highly stabilized, reaction-stable polyamides, in particular polyamide 6, with reactive amino end groups of less than 50 &mgr;eq/g and for continuously demonomerizing polyamides. The object of the invention is to produce simply, reliably and economically a high-viscosity or highly stabilized reaction-stable polyamide, in particular polyamide 6, and if necessary to carry out continuous demonomerization. According to the invention, the molten polyamide is brought into intimate contact, or intimately mixed with preheated nitrogen in a reaction system in at least one stage and a specific dwell time is set for the melt in a liquid phase. During the production of polyamide 6, expelled lactam is processed and fed to a polymerization reactor.
摘要翻译：本发明涉及用于生产高粘度或高度稳定的反应稳定的聚酰胺，特别是聚酰胺6，反应性氨基端基小于50mueq / g的方法和装置，以及用于连续使单体异构化聚酰胺。本发明的目的是简单，可靠和经济地制备高粘度或高度稳定的反应稳定的聚酰胺，特别是聚酰胺6，并且如果需要进行连续的脱单体化。根据本发明，使熔融聚酰胺在至少一个阶段中与反应体系中的预热氮气紧密接触或紧密混合，并且在液相中为熔体设定特定的停留时间。在聚酰胺6的生产过程中，将内消热的内酰胺加工成聚合反应器。

你已经成功收藏专利！

检索式保存成功!

IPRDB

热门服务

关于我们

友情链接

联系方式