Basf Aktiengesellschaft

Basf Se Corporation

University of Massachusetts

Gumlink A/s

Motonori Yamamoto

Volker Warzelhan

Ursula Seeliger

Peter Bauer

Gunnar Schornick

Bernd Bruchmann

Martin Weber

Gabriel Skupin

Matthias Kroner

Dieter Hannu Boeckh

Ulrike Licht

Axel Meyer

Gunter Pipper

Son Nguyen Kim

Frank Braun

Martin Jochen Klatt

Brigitte Gareiss

Cornelis Petrus Beyers

Heiko Diehl

Stefan Dahmen

Ulrich Müller

Rainer Blum

Karl-Heinz Schumacher

Helmut Mach

Todd Emrick

Arnold Schneller

Dietrich Scherzer

Harald Keller

Bernd Leutner

Alexander Wissemeier

Uwe Witt

Hermann Seyffer

Thomas Heitz

Herbert Fisch

Peter Deglmann

Rainer Hummerich

Volker Hildebrandt

Ralf Mohrschladt

Robert Loos

Jurgen Hofmann

Andreas Eipper

Freddy Gruber

Klaus Erhardt

Sebastian Wagner

Stefan Grutke

Michael Seufert

Andreas Künkel

Christof Mehler

Jan Kurt Walter Sandler

Emi Leung

Gunther Mair

Carsten Weiss

Gerhard Ramlow

Rainer Buschl

Volker Kriegisch

Andreas Kuenkel

Kian Molawi

Jerome Lohmann

Jürgen Deininger

Maximilian Lehenmeier

Wolfgang Weigelt

Michael Bernhard Schick

Dieter Bernhard Beimborn

Udo Pagga

Roland Helmut Krämer

Norbert Effen

Edwin Baumann

Matthias Scheibitz

Weol Kyu Jeong

Andreas Füβl

Michael Nam

Kai Oliver Siegenthaler

Liqun Ren

Antje Van Der Net

Aabid A Mir

Alexandra Wiedemann

Anna Karina Moeller

Anna Karina Möller

Roland Helmut Kraemer

Timo Benjamin Witt

Gimmy Alex Fernandez Ramirez

Andreas Garbe

Jorge Sanz-Gomez

Klaus Horchler V Locquengh

Günther Mair

Claudia Mettlach

Björn Dietrich

Andreas Füssl

Dirk Starke

Dietmar Heufel

Aabid Mir

Roland Helmut KRÄMER

Emrick Todd

Simon Alexander GRÜNER

Chirag Tejuja

The present invention relates to a continuous process for purifying an aliphatic-aromatic polyester constructed from aliphatic dicarboxylic acids, aromatic dicarboxylic acids and aliphatic diols in a degassing apparatus, wherein the crude polyester is degassed for 3 to 30 minutes at a pressure of 0.01 to 5 mbar in the presence of 1% to 7% by weight, based on the total weight of the crude polyester, of an entraining agent.

Process for purifying an aliphatic-aromatic polyester

The present invention relates to a polyester consisting of (A) repeat units derived from an acid component, which consists of (a1) 2,5-furandicarboxylic acid, (a2) an aliphatic C-Cdicarboxylic acid or a mixture of a plurality of aliphatic C-Cdicarboxylic acids, and (a3) a sulfonate group-containing dicarboxylic acid, and of (B) repeat units derived from a di-ol/amine component, and optionally of further repeat units (C) and/or branching components (E), and of (D) repeat units derived from at least one di- or oligofunctional compound selected from the group consisting of a di- or oligoisocyanate and a di- or oligoisocyanurate. In addition, the present invention relates to the production of these polyesters and their use.

Polyester

The invention relates to polyesters containing: The invention further relates to the production of the polyesters and the use thereof and to aqueous dispersions and polyester mixtures comprising these polyesters.

Furandicarboxylic acid-containing polyesters

The invention relates to thermoplastic molding compositions comprising

Polyamide mixtures comprising polyamides containing pyrrolidone

The present invention relates to specific deoxybenzoin containing flame retardant polyesters and flame retardant thermoplastic polymer molding compositions comprising deoxybenzoin containing flame retardant polyesters as well as their preparation and use for producing moldings, fibers or foils.

Deoxybenzoin containing flame retardant polymer compositions

The present invention relates to a polyester mixture comprising:

Polyester mixture including polyethylene 2,5-furandicarboxylate

The use of an aqueous polyurethane dispersion adhesive is described for producing biodisintegratable composite foils where at least two substrates are adhesive-bonded to one another with use of the polyurethane dispersion adhesive, where at least one of the substrates is a biodisintegrable polymer foil. At least 60% by weight of the polyurethane is composed of diisocyanates, polyesterdiols, and at least one bifunctional carboxylic acid selected from dihydroxycarboxylic acids and diaminocarboxylic acids.

Biodisintegratable composite foils

A method of producing a molded article involving preparing a copolymer obtained by condensation of (i) 90 to 99.5 mol %, based on components i) to ii), of succinic acid; (ii) 0.5 to 10 mol %, based on components i) to ii), of 4 to 10 mol % sebacic acid; (iii) 98 to 102 mol %, based on components i) to ii), of 1,3-propanediol or 1,4-butanediol; (iv) 0.05 to 0.5% by weight, based on the total weight of components i) to iii), of a crosslinker; and (v) 0.35 to 2% by weight, based on the total weight of components i) to iii), of 1,6-hexamethylene diisocyanate. The copolymer is injection molded or blow molded to form a molded article having a wall thickness above 200 &#x3bc;m.

Aliphatic polyester

A process for the continuous production of a biodegradable polyester, where a mixture of aliphatic dihydroxy compounds, aliphatic and aromatic dicarboxylic acids or their liquid esters, and, optionally, further comonomers is mixed, without addition of a catalyst, to give a paste, and  The invention further relates to biodegradable polyesters obtained_by this process.

Method for the continuous production of biodegradable polyesters

A method for producing biodisintegratable composite foils with an aqueous polyurethane dispersion adhesive. The method involves adhesive-bonding a first substrate to a second substrate with use of the aqueous polyurethane dispersion adhesive. At least one of the first substrate and the second substrate is made of a biodisintegratable polymer foil, and at least 60% by weight of the polyurethane contains diisocyanates, polyesterdiols, and bifunctional carboxylic acids. The bifunctional carboxylic acids are dihydroxycarboxylic acids or diaminocarboxylic acids.

The present invention relates to copolymers obtainable by free-radical polymerization of The invention further relates to polymer mixtures comprising these copolymers and also to the use of the copolymers as chain extenders, compatibilizers and/or hydrolysis stabilizers, to produce paper and cardboard, for surface finishing in the paper, textile, and leather industries, and in adhesives.

Copolymers having long-chain acrylates

The present invention relates to a process for the continuous production of polymer mixtures comprising:

Method for continuously producing polyester mixtures

The present relates to nylon-5,10 molding compositions comprising The present invention moreover relates to a process for the preparation of these molding compositions, to the use of these molding compositions for the production of moldings of any type, and to the resultant moldings, preferably motor vehicle bodywork parts or electronics components of any type, foils, and fibers.

Fiber-reinforced polyamide[5,10] molding compounds

A method for recycling a paper product sized, coated, or both sized and coated with a polymer, including: pulping an aqueous wastepaper suspension including a paper product in the presence of a hydrolase, the paper product being a paper product sized and/or coated with a polyester to obtain an aqueous solution, which is a waste paper suspension including a mixture of paper fibers and the polyester, and separating the polyester from the wastepaper suspension to recycle the paper fibers of the paper product, wherein the polyester is a polyester having a melt flow rate according to EN ISO 1133 (190&#xb0; C., 2.16 kg weight) of from 2 to 50 cm/10 min, and the hydrolase includes at least one of a carboxyesterase [3.1.1.1], a lipase [3.1.1.3], and a cutinase [3.1.1.74].

Method for recycling paper products coated with polyester polymers

A process for the continuous production of a biodegradable polyester, where The invention further relates to biodegradable polyesters obtained by this process.

Growing community of inventors

Mannheim, Germany

Motonori Yamamoto