序号 | 专利名 | 申请号 | 申请日 | 公开(公告)号 | 公开(公告)日 | 发明人 |
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101 | VERFAHREN ZUR HERSTELLUNG EINES POLYOXYMETHYLEN-BLOCK-COPOLYMERS MIT ERHÖHTEM ANTEIL AN EINGEBAUTEM FORMALDEHYD | EP16205529.7 | 2016-12-20 | EP3339340A1 | 2018-06-27 | Die Erfindernennung liegt noch nicht vor |
Die vorliegende Erfindung betrifft ein Verfahren zur Herstellung eines Polyoxymethylen-BlockCopolymers, umfassend die Schritte: Bereitstellen einer polymeren Starterverbindung mit mindestens zwei Zerewitinoff-aktiven H-Atomen und einer Katalysatorkomponente in einem Reaktionsgefäß; Eintragen von Formaldehyd in das Reaktionsgefäß und Eintragen eines Alkylenoxids in das Reaktionsgefäß. Die polymere Starterverbindung ist ein Polyethylenglykol und die Katalysatorkomponente weist einen Zinn umfassenden Katalysator und einen Bismut umfassenden Katalysator auf. Die Erfindung betrifft ebenfalls ein durch das erfindungsgemäße Verfahren erhältliche Polyoxymethylen-Block-Copolymer und dessen Einsatz in der Herstellung eines Polyurethanpolymers. |
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102 | VERFAHREN ZUR HERSTELLUNG VON POLYOXYALKYLEN-OXYMETHYLEN-COPOLYMEREN BEI NIEDRIGEN REAKTIONSTEMPERATUREN | EP16194873.2 | 2016-10-20 | EP3312207A1 | 2018-04-25 | MÜLLER, Thomas Ernst; GÜRTLER, Christoph; LEITNER, Walter; VOGT, Henning; KRAUTSCHICK, Mario; LEVEN, Matthias |
Die vorliegende Erfindung betrifft ein Verfahren zur Herstellung von Polyoxyalkylen-Oxymethylen-Copolymeren, umfassend den Schritt der Polymerisation von Formaldehyd und eines Alkylenoxids in Gegenwart einer Starterverbindung mit Zerewitinoff-aktiven H-Atomen und eines Katalysators, wobei die Polymerisation bei einer Temperatur zwischen ≥ 40 °C und ≤ 90 °C durchgeführt wird. Sie betrifft weiterhin ein hierdurch erhältliches Polyoxyalkylen-Oxymethylen-Copolymer und ein hiermit herstellbares Polyurethan. |
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103 | POLYETHERCARBONAT-POLYOXYMETHYLEN-BLOCK-COPOLYMERE | EP14728985.4 | 2014-06-10 | EP3008100B1 | 2017-03-15 | MÜLLER, Thomas Ernst; GÜRTLER, Christoph; LEITNER, Walter; VOGT, Henning; BARATH, Gabor; KRAUTSCHICK, Mario |
104 | VERFAHREN ZUR HERSTELLUNG VON POLYOXYMETHYLEN-HOMO- UND -COPOLYMEREN UND DAFÜR GEEIGNETE VORRICHTUNG | EP06724093.7 | 2006-04-06 | EP1869096A1 | 2007-12-26 | HOFFMOCKEL, Michael; KRAMER, Matthias; MUECK, Karl-Friedrich; ROESCHERT, Horst |
The invention relates to a device for producing homopolymers and copolymers of polyoxymethylene. Said device comprises the following elements: A) a reactor (1) having a polymerization zone (2) and a directly adjacent deactivation zone (2) for the polymerization and deactivation of homopolymers and copolymers of polyoxymethylene in a homogeneous phase in a manner known per se, B) a relief unit (4) which optionally comprises a metering device (5) for additives to be added to the polymer, C) a granulator (6), D) an extraction device (7), and E) optionally a drying device (8). The inventive device and the polymerization method carried out therewith allow to achieve especially low residual monomer contents in a simple and power-saving manner. | ||||||
105 | NEUE POLYMERE ACETALE VON HYDROXYCARBONSÄUREN UND DEREN DERIVATEN UND VERFAHREN ZU IHRER HERSTELLUNG | EP97919020.4 | 1997-09-02 | EP0925316B1 | 2000-06-28 | FALK, Uwe; KLUG, Peter; WEINELT, Frank |
New polymer acetals from hydroxycarboxylic acids with the recurrent structural unit (I), wherein the substitutes and numbers in the description present the defined meaning. These polymer acetals are suited as base components for water soluble cooling lubricants. | ||||||
106 | NEUE POLYMERE ACETALE VON HYDROXYCARBONSÄUREN UND DEREN DERIVATEN UND VERFAHREN ZU IHRER HERSTELLUNG | EP97919020.0 | 1997-09-02 | EP0925316A1 | 1999-06-30 | FALK, Uwe; KLUG, Peter; WEINELT, Frank |
New polymer acetals from hydroxycarboxylic acids with the recurrent structural unit (I), wherein the substitutes and numbers in the description present the defined meaning. These polymer acetals are suited as base components for water soluble cooling lubricants. | ||||||
107 | Block copolymer and its production process and use | EP97106660.0 | 1997-04-22 | EP0803521A1 | 1997-10-29 | Saeki, Takuya; Nishibayashi, Hideyuki; Hirata, Tsuyoshi; Yamaguchi, Shigeru |
A new block copolymer, which is excellent with regard to abilities such as dispersibility, chelatability, and scale inhibitability, includes a polyalkylene glycol structural unit and a polyglyoxylate structural unit. This block copolymer, for example, can be produced by carrying out a polymerization reaction between a polyalkylene glycol and a glyoxylic acid-based monomer in the presence of a catalyst in a polymerization reaction system having a water content of about 30 mol % or less relative to the polyalkylene glycol, and used as a cement dispersant, pigment dispersant, water-treating agent, or detergent builder. |
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108 | THERMOPLASTIC GRAFT COPOLYMER AND PRODUCTION THEREOF | EP91904347.1 | 1991-02-26 | EP0474875B1 | 1995-11-15 | HATA, Tadashige; MATSUZAKI, Kazuhiko; YAHIRO, Shuji |
A thermoplastic graft copolymer which has both excellent characteristics as an engineering plastic and biodegradability and wherein mono- or polysaccharide is made thermoplastic. This copolymer comprises a mono- or polysaccharide having functional groups selected from among hydroxyl, carboxyl, amino and amide groups and a polyacetal composed of repeated oxymethylene units, ( CH2O ), bonded to each other by reaction via the functional groups; has a structure wherein the mono- or polysaccharide units serve as the backbone and the polyacetal units serve as the branch to be grafted onto the backbone; and has a viscosity number of 0.1 to 10 dl/g and a melting point of 150 to 175 °C. It can be utilized in a wide application range including films, sheets, electric and electronic components, and automotive parts, and gives moldings which are biodegradable after being discarded, so that it has a remarkably high industrial value. | ||||||
109 | THERMOPLASTIC GRAFT COPOLYMER AND PRODUCTION THEREOF | EP91904347 | 1991-02-26 | EP0474875A4 | 1992-06-10 | HATA, TADASHIGE; MATSUZAKI, KAZUHIKO; YAHIRO, SHUJI |
110 | POLYACETAL COPOLYMER AND COMPOSITION THEREOF | EP90908654 | 1990-06-08 | EP0427874A4 | 1992-01-22 | HATA, TADASHIGE; MATSUZAKI, KAZUHIKO |
A polyacetal copolymer, a method of producing the same, and a composition comprising the same and a vinyl polymer and/or a polyoxymethylene, wherein said copolymer comprises a polyoxymethylene group (A) and a vinyl polymer group (B), has a number-average molecular weight of 10,000 to 500,000, and is represented by the following general formula: An - X - B, wherein X stands for the terminal group of B and represents a binding group derived from a compound having at least two carbon atoms and one to four groups selected from among hydroxyl, carboxyl, amino, ester, and alkoxy groups; An means that n A groups are bound to X; and n is 1 to 4. | ||||||
111 | POLYACETAL COPOLYMER AND COMPOSITION THEREOF | EP90908654.8 | 1990-06-08 | EP0427874A1 | 1991-05-22 | HATA, Tadashige; MATSUZAKI, Kazuhiko |
A polyacetal copolymer, a method of producing the same, and a composition comprising the same and a vinyl polymer and/or a polyoxymethylene, wherein said copolymer comprises a polyoxymethylene group (A) and a vinyl polymer group (B), has a number-average molecular weight of 10,000 to 500,000, and is represented by the following general formula: An - X - B, wherein X stands for the terminal group of B and represents a binding group derived from a compound having at least two carbon atoms and one to four groups selected from among hydroxyl, carboxyl, amino, ester, and alkoxy groups; An means that n A groups are bound to X; and n is 1 to 4. |
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112 | FUNKTIONALISIERTE POLYOXYMETHYLEN-BLOCK-COPOLYMERE | EP13814099.1 | 2013-12-18 | EP2935381B1 | 2018-03-21 | MÜLLER, Thomas Ernst; GÜRTLER, Christoph; LEITNER, Walter; VOGT, Henning; BARATH, Gabor |
113 | VERFAHREN ZUR HERSTELLUNG VON POLYOXYMETHYLEN-BLOCK-COPOLYMEREN | EP16185743.8 | 2016-08-25 | EP3287476A1 | 2018-02-28 | GÜRTLER, Christoph; MÜLLER, Thomas Ernst; LEITNER, Walter; LEVEN, Matthias |
Die vorliegende Erfindung betrifft ein Verfahren zur Herstellung von Polyoxymethylen-BlockCopolymeren, umfassend den Schritt der Reaktion von Trioxan in Gegenwart einer polymeren Starterverbindung mit mindestens 2 Zerewitinoff-aktiven H-Atomen. Die Reaktion wird weiterhin in Gegenwart eines Oxids von Schwefel, Selen oder Phosphor, vorzugsweise Schwefeltrioxid-Dimethylformamid-Komplex, durchgeführt. Die Erfindung betrifft auch ein durch das erfindungsgemäße Verfahren erhältliches Polyol sowie daraus hergestellte Polyurethanpolymere. Bedingt durch die Molekülstruktur können teilkristalline Polyurethane erhalten werden. |
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114 | POLYACETAL RESIN COMPOSITION AND MOLDED ARTICLE THEREOF | EP15769383 | 2015-03-27 | EP3124543A4 | 2017-04-19 | TAKAHASHI YOSUKE; MIYOSHI TAKAAKI |
An object of the invention is to provide a resin composition, from which a molded article having high durability, sliding property and wear resistance can be produced with a high productivity. The present invention provides a polyacetal resin composition containing 100 parts by mass of a polyacetal resin (A) and 10 parts by mass or more and 100 parts by mass or less of a glass filler (B), in which when a molded article formed of the polyacetal resin composition by molding is fractured by application of tensile force, the surface of the glass filler (B) protruding from a fractured surface of a fractured molded article is covered with a component containing the polyacetal resin (A) having an average thickness of 0.2 µm or more and 3.0 µm or less. | ||||||
115 | VERFAHREN ZUR AUFARBEITUNG VON PARTIKELFÖRMIGEM ROHPOLYOXYMETHYLEN | EP12740169.3 | 2012-07-27 | EP2742077B1 | 2016-03-23 | DEININGER, Jürgen; DEMETER, Jürgen; HÄFFNER, Rüdiger; SCHULZ, Ralf; STAMMER, Achim |
116 | FUNKTIONALISIERTE POLYOXYMETHYLEN-BLOCK-COPOLYMERE | EP13814099.1 | 2013-12-18 | EP2935381A2 | 2015-10-28 | MÜLLER, Thomas Ernst; GÜRTLER, Christoph; LEITNER, Walter; VOGT, Henning; BARATH, Gabor |
The invention relates to a method for producing functionalized polyoxymethylene block copolymers comprising the step of polymerizing formaldehyde in a reaction vessel in the presence of a catalyst, the polymerization of formaldehyde in addition taking place in the presence of a starter compound comprising at least 2 Zerewitinoff active H atoms, to obtain an intermediate product. The intermediate product obtained is subsequently reacted with a cyclic carboxylic acid ester or carbonic acid ester, thus obtaining a functionalized polyoxymethylene block copolymer. The invention further relates to functionalized polyoxymethylene block copolymers obtained by such a method and to the use of said copolymers. | ||||||
117 | PROCESS FOR PRODUCING POLYDIENES | EP12795698.5 | 2012-11-19 | EP2780381B1 | 2015-10-07 | MCCAULEY, Kevin Michael; LUO, Steven |
118 | VERFAHREN ZUR AUFARBEITUNG VON PARTIKELFÖRMIGEM ROHPOLYOXYMETHYLEN | EP12740169.3 | 2012-07-27 | EP2742077A2 | 2014-06-18 | DEININGER, Jürgen; DEMETER, Jürgen; HÄFFNER, Rüdiger; SCHULZ, Ralf; STAMMER, Achim |
The invention relates to a method for processing particulate raw polyoxymethylene, comprising the following steps: (a) adding the particulate raw polyoxymethylene to an extraction column (13), wherein the extraction column (13) is operated at a pressure in the range from 1 to 6 bar; (b) adding a polar extracting agent to the extraction column (13) at a temperature in the range from 95 to 140 °C and a pressure in the range from 1 to 6 bar, wherein 10 to 1000 ppm, in relation to the added quantity of polar extracting agent, of a buffer substance that buffers in the pH range from 7.5 to 11.5 is added to the extraction column. | ||||||
119 | VERFAHREN ZUR HERSTELLUNG VON POLYOXYMETHYLEN-HOMO- UND -COPOLYMEREN UND DAFÜR GEEIGNETE VORRICHTUNG | EP06724093.7 | 2006-04-06 | EP1869096B1 | 2009-08-26 | HOFFMOCKEL, Michael; KRAMER, Matthias; MUECK, Karl-Friedrich; ROESCHERT, Horst |
The invention relates to a device for producing homopolymers and copolymers of polyoxymethylene. Said device comprises the following elements: A) a reactor (1) having a polymerization zone (2) and a directly adjacent deactivation zone (2) for the polymerization and deactivation of homopolymers and copolymers of polyoxymethylene in a homogeneous phase in a manner known per se, B) a relief unit (4) which optionally comprises a metering device (5) for additives to be added to the polymer, C) a granulator (6), D) an extraction device (7), and E) optionally a drying device (8). The inventive device and the polymerization method carried out therewith allow to achieve especially low residual monomer contents in a simple and power-saving manner. | ||||||
120 | ACETAL COPOLYMER AND METHOD OF PRODUCING THE SAME | EP90909367.6 | 1990-06-18 | EP0429672B1 | 1996-03-27 | SONE, Tatsuo; HATA, Tadashige; MATSUZAKI, Kazuhiko |
An acetal copolymer having a viscosity number of 0.1 to 10 dl/g and an excellent isotropy and being constituted of a polyacetal unit and a particulate cross-linked polymer unit is produced by reacting a polyacetal particulate cross-linked polymer other than polyacetal, said polymer having mean particle diameter of 0.01 to 10 ν and functional groups selected from among hydroxyl, carboxyl, amino, amide, alkoxy, acid anhydride, and epoxy groups, to unite them with each other through said functional groups. Another acetal copolymer having a viscosity number of 0.1 to 10 dl/g and being constituted of a polyacetal unit and another polymer unit is produced by either homopolymerizing formaldehyde or trioxane or copolymerizing formaldehyde or trioxane with a cyclic ether in the presence of a polymer other than polyacetal, said polymer having a mean dispersion diameter of 0.01 to 2,000 ν and functional groups selected from among hydroxyl, carboxyl, amino, amide, alkoxy, acid anhydride, and epoxy groups, to unite the formed polyacetal with the polymer other than polyacetal through said functional groups. |