Furanix Technologies B.v.

Synvina C.v.

The Coca-cola Company

Roquette Freres

Stichting Dienst Landbouwkundig Onderzoek

Matheus Adrianus Dam

Gerardus Johannes Maria Gruter

Jeffrey John Kolstad

Gerardus Johannes Gruter

Bing Wang

Robert Joseph Schiavone

Laszlo Sipos

Jesper Gabriel Van Berkel

Marion L Andrews

Jesper Gabriël Van Berkel

Joel Flores

Edward E Paschke

Ate Duursma

Cesar Muñoz De Diego

Cesar Munoz De Diego

Joseph David Schroeder

Wayne Paul Schammel

Robert M Kriegel

Benjamin McKay

Ana Sofia Vagueiro De Sousa Dias

René Saint-Loup

Nicolas Jacquel

Edserd De Jong

Jacco Van Haveren

Jagdeep Singh

DeeDee Smith

Rene Aberson

Aliaksei Pukin

Gerardus Johannes M Gruter

René Aberson

Gabriel Degand

Dee Dee Smith

Jefffrey John Kolstad

Robert Michael Kriegel

Cesar MUÑOZ De Diego

Benjamin Mckay

A polyester including at least one furandicarboxylate unit, at least one saturated, linear or branched, diol unit including from 2 to 10 carbon atoms, and at least one bicyclic diol unit, the said bicyclic diol being chosen from: isosorbide, isoidide, isomannide, 2,3:4,5-di-O-methylene-galactitol, and 2,4:3,5-di-O-methylene-D-mannitol. The glass transition temperature of the polyester is greater than or equal to 90&#xb0; C. Processes for preparing this polyester are also described.

Polyesters comprising 2,5-furandicarboxylate and saturated diol units having a high glass transition temperature

The molecular weight of a semi-crystalline starting polyester comprising ethylene 2,5-furandicarboxylate units is enhanced by heating the semi-crystalline starting polyester, having a melting point Tm, at a temperature in the range of (Tm-40&#xb0; C.) to Tm to obtain a solid stated polyester, where the semi-crystalline starting polyester has an intrinsic viscosity of at least 0.45 dL/g, and an amount of carboxylic acid end groups in the range of 15 to 122 meq/kg.

Process for enhancing the molecular weight of a polyester

A polyester-containing object, such as an injection stretch blow molded bottle, a biaxially oriented film or a drawn fiber, is made from melt-processing poly(ethylene-2,5-furandicarboxylate). The poly(ethylene-2,5-furandicarboxylate) has a number average molecular weight of at least 25,000, as determined by GPC based on polystyrene standards, and includes an antimony catalyst.

Polyester-containing object made from melt-processing poly(ethylene-2,5-furandicarboxylate)

Polyamides are made from the polycondensation of monomers including from 15 to 80 mol % of 2,5-furandicarboxylic acid (FDCA), from 20 to 85 mol % of at least one aromatic dicarboxylic acid and from 50 to 100 mol % of at least one aliphatic diamine selected from those including 6 and 7 carbon atoms. A process allowing the synthesis of high molecular weight polyamides made from the above mentioned monomers is also described. Finally, compositions and articles including the same polyamides are also disclosed.

Polyamides containing the bio-based 2,5-furandicarboxylic acid

A furan-based polyamide is prepared by the following steps: (1) preparing a furan-based oligomer of formula (1) HN&#x2014;R&#x2014;(NH&#x2014;CO&#x2014;F&#x2014;CO&#x2014;NH&#x2014;R)&#x2014;NH(1) where R is a hydrocarbon moiety and F is a furan (cyclo-CHO) moiety and n represents the average degree of oligomerization, and where n is within the range of 1 to 10 by reacting 2,5-furandicarboxylic acid or its derivative with a diamine at a temperature of at most 100&#xb0; C.; (2) contacting the oligomer of step (1) with a bifunctional linker selected from an acid or a derivative thereof where the acid is furandicarboxylic acid or a non-aromatic dicarboxylic acid; provided that if the hydrocarbon moiety R is aromatic, then the bifunctional linker is an aromatic dicarboxylic acid or a derivative thereof, at a mole ratio of the oligomer to the difunctional linker within the range of 0.8 to 1.5 at polycondensation conditions, and (3) isolating the resulting polyamide.

Process for preparing a furan-based polyamide, a furan-based oligomer and compositions and articles comprising the furan-based polyamide

An acid composition comprising 2-formyl-furan-5-carboxylic acid and 2,5-furandicarboxylic acid is purified in a process which comprises; contacting the acid composition with an alcohol to obtain an esterified composition; and separating the ester of 2-formyl-furan-5-carboxylic acid from the esterified composition to obtain a purified esterified product; and contacting the purified esterified composition with water for saponification or hydrolysis, to obtain a product composition, comprising 2,5-furandicarboxylic acid and a reduced amount of 2-formyl-furan-5-carboxylic acid.

Process for purifying an acid composition comprising 2-formyl-furan-5-carboxylic acid and 2,5-furandicarboxylic acid

A polyester, including ethylene 2,5-furandicarboxylate units, has an intrinsic viscosity of at least 0.45 d L/g, and has a relative content of carboxylic acid end groups, expressed as the fraction of the molar amount of carboxylic acid end groups divided by the sum of the molar amounts of hydroxyl end groups and carboxylic acid end groups in the range of 0.10 to 0.70. The polyester can be prepared with a method wherein a starting mixture comprising 2,5-furandicarboxylic acid and ethylene glycol is subjected to esterification and subsequent polycondensation at reduced pressure when the molar ratio of 2,5-furandicarboxylic acid to ethylene glycol in the starting mixture is 1:1.01 to 1:1.15, where water, that is formed during the reaction between 2,5-furandicarboxylic acid and ethylene glycol, and some ethylene glycol are removed in a distillation system, and where ethylene glycol that is removed with water, is separated from water and at least partly recycled.

Polyester and method for preparing such a polyester

A polyester including poly(ethylene 2,5-furandicarboxylate is prepared by esterification of a starting mixture including 2,5-furandicarboxylic acid and ethylene glycol to form an ester composition, and by subjecting the ester composition thus obtained to polycondensation at reduced pressure in the presence of a polycondensation catalyst to obtain a polycondensate. The mixture is reacted under conditions such that the esterification potential as defined by Esterification Potential (EsPo)=(MR&#x2212;1)*P(T), where MR represents the molar ratio of ethylene glycol over 2,5-furandicarboxylic acid, MR being greater than 1; P(T) represents the pure component vapor pressure (in bar) of water at temperature T, which is the final reaction temperature in the esterification mixture before the pressure is reduced to effect the polycondensation, is less than 0.8.

Method for preparing a polyester under specific esterification conditions

Benzene derivatives of the formula (I); wherein Rand R, are the same or different and independently are selected from the group consisting of hydrogen, alkyl, aralkyl, &#x2014;CHO, &#x2014;CHOR, &#x2014;CH(OR)(OR) and &#x2014;COOR, wherein R, Rand Rare the same or different and are selected from hydrogen, alkyl, aryl, alkaryl, aralkyl, alkylcarbonyl or arylcarbonyl, or wherein Rand Rtogether form an alkylene group and wherein Ris selected from hydrogen, alkyl and aryl, are prepared in a process, which comprises:reacting a furan derivative of formula (II): wherein Rand Rhave the meanings above, with ethylene under cycloaddition reaction conditions in the presence of an acid solvent to produce the benzene derivative, wherein the acid solvent is a carboxylic acid and is present in a weight ratio acid solvent to furan derivative from 1:1 to 250:1.

Process for the preparation of benzene derivatives from furan derivatives

A process for preparing a polymer having a 2,5-furandicarboxylate moiety within the polymer backbone, and having a number average molecular weight of at least 25,000, includes a transesterification step, a polycondensation step, a drying and/or crystallizing step, and a step where the polymer is subjected to post condensation conditions, and to a polyester-containing bottle or film or fiber-containing woven or non-woven object made from melt-processing poly(ethylene-2,5-furandicarboxylate), where the poly(ethylene-2,5-furandicarboxylate) is obtainable by the process of the invention.

Process for preparing a polymer product having a 2,5-furandicarboxylate moiety within the polymer backbone to be used in bottle, film or fibre applications

A substituted benzene derivative is prepared in a process, which includes reacting a furan derivative of formula (I): 

Process for the preparation of a benzene derivative

A method for the preparation of 2,5-furan dicarboxylic acid includes the step of contacting a feed comprising a compound selected from the group consisting of 5-hydroxymethylfurfural ('HMF'), an ester of 5-hydroxymethyl-furfural, 5-methylfurfural, 5-(chloromethyl)furfural, 5-methylfuroic acid, 5-(chloromethyl)furoic acid, 2,5-dimethylfuran and a mixture of two or more of these compounds with an oxidant in the presence of an oxidation catalyst at a temperature higher than 140&#xb0; C.

Method for the preparation of 2,5-furandicarboxylic acid and for the preparation of the dialkyl ester of 2,5-furandicarboxylic acid

A method for the preparation of 2,5-furandicarboxylic acid ('FDCA') and/or an alkyl ester of FDCA includes the step of contacting a feed comprising a starting material selected from 5-alkoxymethylfurfural, 2,5-di(alkoxymethyl)furan and a mixture thereof with an oxidant in the presence of an oxidation catalyst. The feed may also comprise 5-hydroxymethylfurfural as a further starting material.

Method for the preparation of 2,5-furandicarboxylic acid and esters thereof

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Amsterdam, Netherlands

Matheus Adrianus Dam