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1. 发明授权

US4251653A Manufacture of nylon by adding liquid diamine to aqueous polyamide forming salt solution 失效
标题翻译：通过将液体二胺加入到聚酰胺形成盐水溶液中制造尼龙
公开(公告)号：US4251653A
公开(公告)日：1981-02-17
申请号：US913748
申请日：1978-06-08
申请人： Albrecht Eckell , Paul Matthies , Georg Pilz , Rudi-Heinz Rotzoll
发明人： Albrecht Eckell , Paul Matthies , Georg Pilz , Rudi-Heinz Rotzoll
IPC分类号： C08G69/00 , C08G69/28
CPC分类号： C08G69/28
摘要： A process for the manufacture of nylons by heating an aqueous solution of a salt of an alkanedicarboxylic acid of 6 to 12 carbon atoms and a diamine of the formula NH.sub.2 RNH.sub.2, where R is alkylene of 6 to 12 carbon atoms or is a radical ##STR1## to a temperature at which a nylon is formed, under superatmospheric pressure and with removal of water. The solution used is an aqueous solution of from 75 to 90 percent strength by weight of a salt of a dicarboxylic acid and a diamine, which solution has been obtained by neutralizing a less concentrated salt solution, which contains an appropriate dissolved excess of the particular dicarboxylic acid, with the corresponding diamine. The nylons obtained are used for the manufacture of moldings.
摘要翻译：通过加热6至12个碳原子的烷二羧酸的盐的水溶液和式NH 2 R NH 2的二胺制备尼龙的方法，其中R是6至12个碳原子的亚烷基，或者是基团“ 达到形成尼龙的温度，在超大气压下和除去水。所使用的溶液是二羧酸和二胺的重量百分比为75-90％重量的水溶液，该溶液是通过中和较不浓缩的盐溶液获得的，该盐溶液含有适当的溶解过量的特定二羧酸酸，与相应的二胺。获得的尼龙用于制造模制品。

2. 发明授权

US4213884A Manufacture of a highly concentrated aqueous solution of a dicarboxylic acid diamine salt and a nylon precondensate 失效
标题翻译：制备高浓度二羧酸二胺盐水溶液和尼龙预缩合物
公开(公告)号：US4213884A
公开(公告)日：1980-07-22
申请号：US913641
申请日：1978-06-08
申请人： Albrecht Eckell , Paul Matthies , Georg Pilz , Rudi-Heinz Rotzoll
发明人： Albrecht Eckell , Paul Matthies , Georg Pilz , Rudi-Heinz Rotzoll
IPC分类号： C07C55/02 , C07C51/00 , C07C51/41 , C07C67/00 , C07C209/00 , C07C211/09 , C07C211/36 , C07C231/00 , C07C231/02 , C07C231/24 , C07C233/36 , C07C233/41 , C08G69/28 , C07C51/52
CPC分类号： C08G69/28 , C07C51/412
摘要： A process for the manufacture of a highly concentrated aqueous solution of a salt of a dicarboxylic acid and a diamine, as well as of a nylon precondensate, by reacting an alkanedicarboxylic acid of 6 to 12 carbon atoms and a diamine of the formula NH.sub.2 RNH.sub.2, where R is alkylene of 6 to 12 carbon atoms or is ##STR1## An aqueous solution, of lower concentration, of a salt of a dicarboxylic acid and a diamine, containing an appropriate dissolved excess of the particular dicarboxylic acid, is reacted with the particular diamine in the molten state, in an equivalent amount to the dissolved dicarboxylic acid, the reaction being carried out under superatmospheric pressure and the final reaction temperature being kept at from 140.degree. to 210.degree. C. The solution obtained is used for the manufacture of a nylon.
摘要翻译：通过使6-12个碳原子的链烷二羧酸和式NH 2 R NH 2的二胺反应制备二羧酸和二胺的盐的高浓度水溶液以及尼龙预缩合物的方法，其中 R为6至12个碳原子的亚烷基，或者较低浓度的二羧酸盐和二胺的含有适当溶解的特定二羧酸过量的二甲酸盐的水溶液与在熔融状态下的特定二胺与溶解的二羧酸相当，反应在超大气压下进行，最终反应温度保持在140-210℃。所得溶液用于制造的尼龙。

3. 发明授权

US4354020A Continuous preparation of polycaprolactam in vertical tubular reactor 失效
标题翻译：在垂直管式反应器中连续制备聚己内酰胺
公开(公告)号：US4354020A
公开(公告)日：1982-10-12
申请号：US143591
申请日：1980-04-24
申请人： Rudi-Heinz Rotzoll , Paul Matthies , Guenter Valentin , Werner Hoerauf
发明人： Rudi-Heinz Rotzoll , Paul Matthies , Guenter Valentin , Werner Hoerauf
IPC分类号： C08G69/00 , B01J19/18 , C08G69/04 , C08G69/16
CPC分类号： C08G69/16 , B01J19/18 , B01J2219/00063 , B01J2219/00081 , B01J2219/00094 , B01J2219/00164 , B01J2219/00182 , B01J2219/185
摘要： A process for the continuous preparation of polycaprolactam, which comprises polymerizing .epsilon.-caprolactam in a vertical tubular reactor through which the .epsilon.-caprolactam flows downward, wherein the .epsilon.-caprolactam is partially polymerized, at a nylon-forming temperature, in a mechanically mixed zone, the reaction mixture is circulated through a heat exchange zone in the lower part of the mechanically mixed reaction zone, and is polymerized further, in additional heat exchange zones, until the desired degree of polymerization is reached, and poly-.epsilon.-caprolactam is then discharged as a melt, and an apparatus for carrying out the process.
摘要翻译：一种连续制备聚己内酰胺的方法，其包括在ε-己内酰胺向下流动的垂直管式反应器中聚合ε-己内酰胺，其中ε-己内酰胺在尼龙形成温度下在机械混合区域中部分聚合，反应混合物循环通过机械混合反应区下部的热交换区，并在另外的热交换区进一步聚合，直至达到所需的聚合度，然后聚ε-己内酰胺作为熔体排出，以及用于进行该过程的装置。

4. 发明授权

US06423817B1 Inherently light- and heat-stabilized polyamides 失效
标题翻译：固有光和热稳定的聚酰胺
公开(公告)号：US06423817B1
公开(公告)日：2002-07-23
申请号：US08722048
申请日：1996-12-31
申请人： Klaus Weinerth , Karlheinz Mell , Paul Matthies , Ludwig Beer
发明人： Klaus Weinerth , Karlheinz Mell , Paul Matthies , Ludwig Beer
IPC分类号： C08G6908
CPC分类号： C08G69/48 , C08K5/3435 , Y10T428/29 , Y10T428/2913 , Y10T428/2967 , Y10T428/2969 , Y10T442/183 , Y10T442/30 , C08L77/00
摘要： A process for preparing inherently light- and heat-stabilized polyamides comprises polymerizing in the presence of at least one triacetonediamine compound of the formula where R is hydrogen or hydrocarbyl having from 1 to 20 carbon atoms, preferably alkyl having from 1 to 18 carbon atoms, or benzyl.
摘要翻译：制备本发明的光稳定和热稳定的聚酰胺的方法包括在至少一种由式R所示的三丙酮二胺化合物或具有1至20个碳原子的烃基，优选具有1至18个碳原子的烷基的存在下聚合，或苄基。

5. 发明授权

US4540772A Continuous preparation of nylon from aqueous salt solution in precondensation zone having baffles 失效
标题翻译：从具有挡板的预缩合区域的盐水溶液中连续制备尼龙
公开(公告)号：US4540772A
公开(公告)日：1985-09-10
申请号：US620837
申请日：1984-06-15
申请人： Gunter Pipper , Franz Schmidt , Rainer Theysohn , Siegfried Riegger , Eduard Heil , Hermann Fischer , Richard Thoma , Paul Matthies
发明人： Gunter Pipper , Franz Schmidt , Rainer Theysohn , Siegfried Riegger , Eduard Heil , Hermann Fischer , Richard Thoma , Paul Matthies
IPC分类号： C08G69/00 , C08G69/26 , C08G69/28 , C08L77/00
CPC分类号： C08G69/28
摘要： Nylons are prepared by a continuous process in which, in a precondensation zone, an aqueous solution of a salt of a dicarboxylic acid of 6 to 18 carbon atoms and a diamine of 6 to 18 carbon atoms is heated to 250.degree.-300.degree. C. under superatmospheric pressure, with simultaneous vaporization of water and formation of a prepolymer, the prepolymer and the vapor are separated, and the former is fed into a polycondensation zone and condensed under superatmospheric pressure of from 1 to 10 bar and at from 250.degree. to 300.degree. C., wherein the aqueous salt solution is condensed under superatomspheric pressure of from 1 to 10 bar in the first third of the tubular precondensation zone provided with baffles, until the degree of conversion is not less than 93%, and the prepolymer and the vapor phase are brought into intimate contact with one another in the remaining two thirds of the precondensation zone.
摘要翻译：尼龙通过连续方法制备，其中在预缩合区中将6至18个碳原子的二羧酸盐和6至18个碳原子的二胺的水溶液加热至250-300℃。在超大气压下，同时蒸发水和形成预聚物，将预聚物和蒸气分离，将前者加入缩聚区，并在1至10巴和250至300的超大气压下冷凝 ℃，其中盐水溶液在具有挡板的管状预缩合区的第一三分之一中在1至10巴的超大体压力下冷凝，直到转化率不低于93％，并且预聚物和气相在预缩合区的剩余三分之二处彼此紧密接触。

6. 发明授权

US4204049A Hydrolytic polymerization of epsilon-caprolactam 失效
标题翻译： ε-己内酰胺的水解聚合
公开(公告)号：US4204049A
公开(公告)日：1980-05-20
申请号：US11647
申请日：1979-02-12
申请人： Paul Matthies , Joachim Kunde , Werner Hoerauf
发明人： Paul Matthies , Joachim Kunde , Werner Hoerauf
IPC分类号： C08G69/16
CPC分类号： C08G69/16
摘要： An improved process for the continuous polymerization of .epsilon.-caprolactam in the presence of water as initiator in a vertical downward-flow tubular reactor, in which the .epsilon.-caprolactam is partially polymerized at elevated temperature in a first, mechanically agitated reaction zone and is further polymerized in further reaction zones to the desired degree of polymerization. Poly-.epsilon.-caprolactam is discharged in the form of a melt. The polymerization is carried out at a gauge pressure of from 0.2 to 0.9 bar, constant in all reaction zones. The temperature in the first reaction zone is maintained according to the relationship t.ltoreq.265+43 p .degree.C., where p is the numerical value of the gauge pressure in bars which relationship is subject to the condition that the temperature be within the range of 260.degree. to 295.degree. C.
摘要翻译：在垂直向下流动的管式反应器中，在水作为引发剂存在下ε-己内酰胺的连续聚合的改进方法，其中ε-己内酰胺在第一机械搅拌的反应区中在升高的温度下部分聚合，在进一步的反应区中聚合至所需的聚合度。聚ε-己内酰胺以熔体的形式排出。在0.2至0.9巴的表压下进行聚合，在所有反应区都是恒定的。第一反应区中的温度根据t = 265 + 43 p℃的关系维持，其中p是以巴为单位的表压的数值，其关系受温度在范围260〜295℃

7. 发明授权

US5149758A Continuous production of polycaprolactam having a regulated amino end group content 失效
标题翻译：连续生产具有调节氨基末端基团的聚碳酸酯
公开(公告)号：US5149758A
公开(公告)日：1992-09-22
申请号：US713303
申请日：1991-06-11
申请人： Paul Matthies
发明人： Paul Matthies
IPC分类号： C08G69/02 , C08G69/04 , C08G69/16
CPC分类号： C08G69/16
摘要： Polycaprolactam having a regulated amino end group content is produced in a continuous process in which caprolactam is polymerized at 240.degree.-290.degree. C. in the presence of water as initiator and in the presence of a dicarboxylic acid as chain regulator by polymerizing caprolactam in a single stage in the presence of from 0.3 to 5% by weight of water and from 0.1 to 0.6% by weight of terephthalic acid and/or isophthalic acid, each percentage being based on caprolactam, at a uniform pressure through the entire polymerization time of from 1.0 to 1.9 bar, measured in the vapor phase above the polymerization zone, while maintaining a water content of from 0.1 to 0.5% by weight, until the sum total of the amino and carboxyl end group contents is from 115 to 150 meq/kg, with the proviso that the amino end group content does not drop below 25 meq/kg, measured on extracted polycaprolactam.
摘要翻译：具有调节氨基端基含量的聚己内酰胺在连续方法中制备，其中己内酰胺在水作为引发剂的存在下在240-290℃下聚合，并且在作为链调节剂的二羧酸存在下，通过在在0.3至5重量％的水和0.1至0.6重量％的对苯二甲酸和/或间苯二甲酸的存在下，每个百分比基于己内酰胺，在均匀的压力下通过整个聚合时间从 1.0至1.9巴，在聚合区上方的汽相中测量，同时保持水含量为0.1至0.5重量％，直到氨基和羧基端基含量的总和为115至150毫当量/ 条件是在提取的聚己内酰胺上测定氨基端基含量不低于25meq / kg。

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