公开(公告)号：US4816557A

公开(公告)日：1989-03-28

申请号：US167250

申请日：1988-03-11

申请人： Gunter Pipper ,  Claus Cordes

发明人： Gunter Pipper ,  Claus Cordes

IPC分类号： C08G69/16 ,  C08G69/46

CPC分类号： C08G69/46

摘要： Caprolactam and oligomers thereof are removed from nylon granules containing same in a process wherein(a) nylon granules are introduced at not less than 100.degree. C. at the top of a substantially upright treatment zone,(b) nylon granules are passed downward through the treatment zone while being heated to from 130.degree. to 210.degree. C.,(c) superheated steam is passed at from 130.degree. to 210.degree. C. upward through the treatment zone,(d) dry nylon granules are withdrawn at the bottom end of the treatment zone and steam containing caprolactam and oligomers thereof is withdrawn at the top of the treatment zone,(e) the caprolactam and oligomers thereof containing steam thus obtained is passed through a column giving an aqueous solution of caprolactam and oligomers thereof as bottom product and virtually caprolactam-free steam as overhead product.

摘要翻译： 在其中（a）尼龙颗粒在基本上直立的处理区的顶部不低于100℃引入尼龙颗粒的过程中，己内酰胺及其低聚物从含有其的尼龙颗粒中除去，（b）尼龙颗粒向下通过 处理区，同时加热至130℃至210℃，（c）过热蒸汽从130℃升至210℃，向上通过处理区，（d）干燥的尼龙颗粒在 处理区和含有己内酰胺及其低聚物的蒸汽在处理区的顶部排出，（e）将含有这样得到的蒸汽的己内酰胺及其低聚物通过柱，得到己内酰胺及其低聚物的水溶液作为底部产物， 实际上无己内酰胺的蒸汽作为塔顶产品。

公开(公告)号：US5936045A

公开(公告)日：1999-08-10

申请号：US894240

申请日：1997-08-14

申请人： Volker Warzelhan ,  Gunter Pipper ,  Ursula Seeliger ,  Peter Bauer ,  Dieter Bernhard Beimborn ,  Motonori Yamamoto

发明人： Volker Warzelhan ,  Gunter Pipper ,  Ursula Seeliger ,  Peter Bauer ,  Dieter Bernhard Beimborn ,  Motonori Yamamoto

IPC分类号： C08J9/04 ,  C08G63/66 ,  C08G63/672 ,  C08G63/91 ,  C08L3/00 ,  C08L67/00 ,  C08L101/16 ,  C09J167/00 ,  D21H19/28

CPC分类号： C08G63/914 ,  C08G63/672

摘要： Biodegradable polymers comprising a polyether ester P1 obtained by reactinga first mixture of20-95 mol% of adipic acid or ester-forming derivatives thereof or mixtures thereof,5-80 mol% of terephthalic acid or ester-forming derivatives thereof or mixtures thereof, and0-5 mol% of a compound containing sulfonate groups,and a second mixture of15-99.8 mol% of a dihydroxy compound selected from the group consisting of C.sub.2 -C.sub.6 -alkanediols and C.sub.5 -C.sub.10 -cycloalkanediols,85-0.2 mol% of a dihydroxy compound IHO--�(CH.sub.2).sub.n --O!.sub.m --H(n=2, 3 or 4, m=2-250)with0-5 mol%, based on the first mixture, of a compound D having at least three groups capable of ester formation,and a bisoxazoline C1, their preparation and their use in the manufacture of biodegradable molding materials.

摘要翻译： PCT No.PCT / EP96 / 00458 Sec。 371日期1997年8月14日 102（e）日期1997年8月14日PCT提交1996年2月3日PCT公布。 公开号WO96 / 25448 日期1996年8月22日可生物降解的聚合物包括通过使20-95mol％己二酸或其成酯衍生物或其混合物的第一混合物5-80mol％的对苯二甲酸或酯形成衍生物 或其混合物，和0-5mol％的含有磺酸盐基团的化合物，以及15-99.8mol％选自C 2 -C 6烷二醇和C 5 -C 10 - 环烷二醇的二羟基化合物的第二混合物， 85-0.2摩尔％的二羟基化合物IHO - [（CH 2）n O] m H（n = 2,3或4，m = 2-250），基于第一混合物，0-5摩尔％的化合物D 具有至少三个能够形成酯的基团，以及双恶唑啉C1，它们的制备及其在制造可生物降解的成型材料中的用途。

公开(公告)号：US5710216A

公开(公告)日：1998-01-20

申请号：US572039

申请日：1995-12-14

申请人： Martin Weber ,  Herbert Fisch ,  Gunter Pipper ,  Axel Gottschalk

发明人： Martin Weber ,  Herbert Fisch ,  Gunter Pipper ,  Axel Gottschalk

IPC分类号： C08L33/24 ,  C08L77/00 ,  C08L77/06 ,  C08L33/10

CPC分类号： C08L33/24 ,  C08L77/00 ,  C08L77/06

摘要： Thermoplastic molding materials contain A) from 1 to 98.5% by weight of a partly aromatic copolyamide, B) from 1 to 98.5% by weight of a polymethacrylimide, C) from 0.5 to 30% by weight of a polymeric component having OH groups, D) from 0 to 60% by weight of fibrous or particulate fillers or mixtures thereof, E) from 0 to 40% by weight of rubber impact modifiers and F) from 0 to 40% by weight of conventional additives and processing assistants.

摘要翻译： 热塑性成型材料包含A）1至98.5重量％的部分芳族共聚酰胺，B）1至98.5重量％的聚甲基丙烯酰亚胺，C）0.5至30重量％的具有OH基团的聚合物组分，D ）0至60重量％的纤维或颗粒填料或其混合物，E）0至40重量％的橡胶冲击改性剂和F）0至40重量％的常规添加剂和加工助剂。

公开(公告)号：US5128442A

公开(公告)日：1992-07-07

申请号：US681255

申请日：1991-04-08

申请人： Gunter Pipper ,  Wolfgang F. Mueller ,  Harald Dauns

发明人： Gunter Pipper ,  Wolfgang F. Mueller ,  Harald Dauns

IPC分类号： C08G69/30 ,  C08G69/28

CPC分类号： C08G69/28

摘要： A process for the preparation of a linear polyamide by reacting the appropriate dicarboxylic acid and diamine in a liquid reaction medium with the addition of a catalytically effective phosphorus compound, removing the reaction medium to give a solid salt, precondensing the latter in the solid phase at a temperature of from 140.degree. C. to 5.degree. C. below the melting point of the salt and continuing condensation at a temperature above that used for the precondensation until the desired degree of condensation is reached.

摘要翻译： 通过在液体反应介质中使合适的二羧酸和二胺与添加催化有效的磷化合物反应来制备线性聚酰胺的方法，除去反应介质以得到固体盐，将固相的预冷凝 温度低于盐的熔点为140℃至5℃，并在高于用于预缩合直到达到所需缩合度的温度下继续冷凝。

公开(公告)号：US4578455A

公开(公告)日：1986-03-25

申请号：US724500

申请日：1985-04-18

申请人： Gunter Pipper ,  Siegfried Riegger ,  Josef G. Floss

发明人： Gunter Pipper ,  Siegfried Riegger ,  Josef G. Floss

IPC分类号： C08G69/00 ,  B29C48/76 ,  C08F6/00 ,  C08G85/00 ,  C08F6/28

CPC分类号： B29C47/767 ,  B29C47/763 ,  C08F6/00 ,  C08G85/002 ,  B29C47/0009

摘要： A process for removing volatile constituents from polymer melts or pastes, wherein the polymer or paste containing the volatile constituents is passed, with continuous formation of fresh surfaces, through one or more zones in which the volatile constituents evaporate, and the volatile constituents are removed from the zone or zones in which they evaporate through, in each case, a plurality of porous orifices, and an apparatus for carrying out said process.

摘要翻译： 从聚合物熔体或糊状物中除去挥发性成分的方法，其中含有挥发性成分的聚合物或糊料连续形成新鲜表面，通过其中挥发性成分蒸发的一个或多个区域，并且挥发性成分从 其中它们蒸发的区域或每个区域在每种情况下都是多个多孔孔，以及用于执行所述方法的装置。

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。

公开(公告)号：US4537949A

公开(公告)日：1985-08-27

申请号：US620563

申请日：1984-06-14

申请人： Franz Schmidt ,  Gunter Pipper ,  Josef G. Floss ,  Franz Zahradnik

发明人： Franz Schmidt ,  Gunter Pipper ,  Josef G. Floss ,  Franz Zahradnik

IPC分类号： C08G69/26 ,  C08G69/00 ,  C08G69/28 ,  C08L77/00

CPC分类号： C08G69/28

摘要： Nylons are prepared by a continuous process in which, in an evaporator 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 vapors are separated continuously, the vapors are rectified and the entrained diamines are recycled, and the prepolymer is fed to a polycondensation zone and subjected to polycondensation under superatmospheric pressure of from 1 to 10 bar and at from 250.degree. to 300.degree. C., wherein the aqueous salt solution is heated under superatmospheric pressure of from 1 to 10 bar during a residence time of less than 60 seconds, with the proviso that, on leaving the evaporator zone, the degree of conversion is not less than 93% and the water content of the prepolymer is not more than 7% by weight.

摘要翻译： 尼龙通过连续方法制备，其中在蒸发器区中将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，随着水的蒸发和预聚物的形成，预聚物和蒸气被连续分离，蒸气被精馏，夹带的二胺被再循环，并将预聚物进料到缩聚区，并在超大气压下进行缩聚 压力为1至10巴，在250至300℃，其中在低于60秒的停留时间内，盐水溶液在1至10巴的超大气压下加热，条件是在 离开蒸发区，转化度不低于93％，预聚物的含水量不超过7重量％。

公开(公告)号：US06429279B1

公开(公告)日：2002-08-06

申请号：US09554216

申请日：2000-05-11

申请人： Hans-Harald Hünger ,  Alfons Ludwig ,  Rainer Neuberg ,  Gunter Pipper ,  Thomas Sauer ,  Axel Wilms

发明人： Hans-Harald Hünger ,  Alfons Ludwig ,  Rainer Neuberg ,  Gunter Pipper ,  Thomas Sauer ,  Axel Wilms

IPC分类号： C08G6904

CPC分类号： C08G69/46 ,  C08G69/04 ,  C08G69/16

摘要： The disclosure is a process for preparing polyamides by concentrating the wash water extract from the extraction of polyamide to an extractables content of not more than 85% by weight, adding fresh lactam down to a water content of from 0.5 to 13% by weight, and effecting at least one adiabatic expansion during the polymerization.

摘要翻译： 本公开是通过将洗涤水提取物从聚酰胺的提取物浓缩至不超过85重量％的可提取物含量制备聚酰胺的方法，将新鲜内酰胺加入到0.5至13重量％的水含量中，以及 在聚合过程中至少产生一个绝热膨胀。

公开(公告)号：US06284830B1

公开(公告)日：2001-09-04

申请号：US09115554

申请日：1998-07-15

申请人： Axel Gottschalk ,  Stefan Grutke ,  Gunter Pipper ,  Peter Wolf ,  Martin Weber

发明人： Axel Gottschalk ,  Stefan Grutke ,  Gunter Pipper ,  Peter Wolf ,  Martin Weber

IPC分类号： C08L7700

CPC分类号： C08L77/00 ,  C08L23/02 ,  C08L25/10 ,  C08L51/04 ,  C08L55/02 ,  C08L71/10 ,  C08L77/06 ,  C08L51/00 ,  C08L25/00 ,  C08L23/00 ,  C08L71/00

摘要： The molding composition comprises components A, B and, if desired, components C to E, the total weight of which is 100% by weight: a: as component A, from 5 to 95% by weight of a random copolyamide made from a1: from 95.1 to 99.9% by weight of component A1 made from equimolar amounts of at least one linear aliphatic diamine and at least one linear aliphatic dicarboxylic acid a2: from 0.1 to 4.9% by weight of component A2 made from equimolar amounts of at least one linear aliphatic diamine and isophthalic acid b: from 5 to 95% by weight of a copolymer component B, different from component A, selected from: b1: component B1 made from at least one, if desired modified, polyarylene ether, or b2: component B2 made from, as component B21, from 60 to 99% by weight of at least one polyolefin homo- or copolymer and, as component B22, from 1 to 40% by weight of at least one modified polyolefm homo- or copolymer, or b3: component B3 made from, as component B31, from 70 to 100% by weight of at least one SAN, ABS or ASA polymer and, as component B32, from 0 to 30% by weight of at least one modified SAN, ABS or ASA polymer c: as component C, from 0 to 20% by weight of at least one impact modifier d: as component D, from 0 to 50% by weight of at least one filler e: as component E, from 0 to 20% by weight of customary additives.

摘要翻译： 成型组合物包含组分A，B，如果需要，组分C至E的总重量为100重量％：a：作为组分A，5至95重量％的由以下组分制备的无规共聚酰胺： 95.1至99.9重量％的由等摩尔量的至少一种直链脂肪族二胺和至少一种直链脂肪族二羧酸制成的组分A1的组分A1：0.1至4.9重量％的由等摩尔量的至少一种直链脂族二胺 和间苯二甲酸b：5至95重量％的不同于组分A的共聚物组分B，其选自：b1：由至少一种如果需要的改性的聚亚芳基醚制备的组分B1，由以下组分制成的orb2：组分B2作为 组分B21，60-99重量％的至少一种聚烯烃均聚物或共聚物，和作为组分B22的1-40重量％的至少一种改性聚烯烃均聚物或共聚物， 作为组分B31，70至100重量％的至少一种 SAN，ABS或ASA聚合物，并且作为组分B32，0至30重量％的至少一种改性SAN，ABS或ASA聚合物：作为组分C，0至20重量％的至少一种冲击改性剂：如 组分D，0至50重量％的至少一个纤维素：作为组分E，0至20重量％的常规添加剂。

公开(公告)号：US06194538B1

公开(公告)日：2001-02-27

申请号：US09242714

申请日：1999-02-22

申请人： Robert Weiss ,  Dieter Krauss ,  Dieter Keller ,  Gunter Pipper ,  Wolfgang Harder ,  Alfons Ludwig ,  Ralf Mohrschladt

发明人： Robert Weiss ,  Dieter Krauss ,  Dieter Keller ,  Gunter Pipper ,  Wolfgang Harder ,  Alfons Ludwig ,  Ralf Mohrschladt

IPC分类号： C08G6904

CPC分类号： C08G69/04 ,  C08G69/08 ,  C08G69/28 ,  C08G69/36

摘要： A process for preparing a polyamide by reacting at least one aminonitrile with water comprises: (1) reacting at least one aminonitrile with water at a temperature from 100 to 360° C. and a pressure from 0.1 to 35×106 Pa to obtain a reaction mixture, (2) further reacting the reaction mixture at a temperature from 150 to 400° C. and a pressure which is lower than the pressure in step 1, the temperature and the pressure being selected so as to obtain a first gas phase and a first liquid or a first solid phase or a mixture of first solid and first liquid phase, and the first gas phase is separated from the first liquid or the first solid phase or from the mixture of first liquid and first solid phase, and (3) admixing the first liquid or the first solid phase or the mixture of first liquid and first solid phase with a gaseous or liquid phase comprising water at a temperature from 150 to 360° C. and a pressure from 0.1 to 30×106 Pa to obtain a product mixture.

摘要翻译： 通过使至少一种氨基腈与水反应制备聚酰胺的方法包括：（1）在100至360℃的温度和0.1至35×10 6 Pa的压力下使至少一种氨基腈与水反应，得到反应混合物， （2）在150-400℃的温度和低于步骤1中的压力的​​压力下使反应混合物进一步反应，选择温度和压力以获得第一气相和第一液体 或第一固相或第一固相和第一液相的混合物，并且第一气相与第一液体或第一固相或第一液体和第一固相的混合物分离，以及（3）将 第一液体或第一固相或第一液体和第一固相的混合物与气相或液相在150至360℃的温度和0.1至30×10 6 Pa的压力下包含水以获得产物混合物。