Centre National De La Recherche Scientifique

Universitë De Bordeaux

Institut Polytechnique De Bordeaux

Institut Des Corps Gras Etudes Et Recherches Techniques-iterg

Arianegroup Sas

Arkema France

Bp Chemicals Limited

Pivert

Institut National Des Sciences Appliquees Lyon

Institut Technologique Fcba

Institut Des Corps Gras Etudes Et Recherches Technigues—iterg

Centre National De La Recherche Scientifique-cnrs

Institut National Des Sciences Appliquees De Lyon

Université De Bordeaux 1

Henri Cramail

Carine Alfos

Eric Cloutet

Aurélie Boyer

Etienne Grau

Stéphane Grelier

Benoit Gadenne

Thomas Lebarbe

Aurelie Boyer

Alain Deffieux

Stéphane Carlotti

Etienne Savonnet

Sergio Mastroianni

Christophe Navarro

Pierre H Chambon

Brigitte Defoort

Daniel Taton

Lise Maisonneuve

Georges Hadziioannou

Serge Ravaine

Audrey Llevot

Stephane Carlotti

Stephane Grelier

Cyril Brochon

Yves Queneau

Cédric Epoune Lingome

Alfos Carine

Dnyaneshwar Palaskar

Cécile Bouilhac

Cedric Dever

Blandine Testud

Guillaume Fleury

Katerina Bethani

Benoît Gadenne

Sylvie Moebs

Benoit Jean-Marie Gadenne

Maud Suzanne Chemin

Denilson Da Silva Perez

Frédérique Pichavant

Stéphane Jean-Pierre Albert Grelier

Didier Pintori

Rachida Bakhiyi

Cedric Epoune Lingome

A multi-epoxidized biphenyl compound has the formula (I) below wherein R, R, Rand Rare as defined in the description, as well as mixtures of at least two of the compounds. These multi-epoxidized biphenyl compounds are fully suitable as main constituents of thermosetting epoxy resins, i.e. as polyepoxides precursors. They are beneficial substitutes for bisphenol A diglycidyl ether.

Polyepoxidized biphenyl compounds, preparation and uses

A difunctional biphenyl compounds corresponding to formula (I) wherein Alk, Alk' and R are as defined in the description. These compounds are suitable as hardeners for thermosetting resins, especially epoxy resins.

Difunctional biphenyl compounds, preparation, and uses

The present invention relates to a process for preparing a compound having the formula (I), said process comprising the following steps: a) the addition of an oxygen source into a solution of a compound of formula (II), in a water-miscible solvent, b) the addition of a laccase in the solution obtained after step a); and c) the possible recovering of the compound of formula (I) thus obtained. 

Process for preparing biphenyl compounds

A polymer is provided having at least one repetitive unit represented by the following formula: And, preferably at least one, preferably at least two, repetitive units represented by the following formula: 

Branched polymers, their preparation process, and uses therof

The present invention concerns the use of a compound having the following formula (I), for the preparation of a polymer. The present invention also concerns the polymers obtained from polymerization of compound of formula (I), and their processes of preparation. 

Phenolic polymers and preparation processes thereof

The present invention concerns a compound of formula (I): wherein: &#x2014;n is an integer comprised between 1 and 7; &#x2014;Xis in particular a radical of formula &#x2014;CH&#x2014;S&#x2014;(CH)&#x2014;S&#x2014;; &#x2014;Ais in particular a linear or branched alkylene radical comprising from 2 to 30 carbon atoms, and &#x2014;Xis in particular an alkoxy group of formula OR, wherein Ris a linear or branched alkyl group comprising from 1 to 10 carbon atoms. 

Amphiphilic bioconjugates obtained from xylan derivatives

A compound is of formula (I): in which Aand A' are independently from each other a linear or branched alkylene radical including from 1 to 20 carbon atom(s); Ais in particular a linear or branched alkylene radical including from 1 to 200 carbon atom(s); Ais H or a linear or branched alkyl radical including from 1 to 15 carbon atom(s) and Rand R&#x2032; are independently from each other H or a linear or branched alkyl radical comprising from 1 to 20 carbon atom(s). The compounds of formula (I) can be used in particular for the preparation of poly(hydroxyurethane)s and epoxy resins.

Five-membered cyclic biscarbonates bearing amide linkages, their preparation and their uses for the preparation of polymers

The present invention relates to the use of a compound having the following formula (I): 

Biobased pre-polymers and uses thereof for preparing polymers which are of use as additives in a poly(lactic acid) matrix

The present invention relates to the use of a compound of formula (I): wherein:

Preparation of polyurethanes and polyesters from glycolipid type compounds

The present invention relates to the use of polymers of the following formula (I): 

Use of polymers as additives in a polymer matrix

The present invention relates to the use of a compound of formula (I): wherein: &#x2014;R represents &#x2014;OH or &#x2014;NH; &#x2014;Arepresents a divalent alkylene radical, straight or branched, having from 2 to 20 carbon atoms; &#x2014;Arepresents a divalent alkylene radical, straight or branched, having from 1 to 20 carbon atoms; &#x2014;Xand Xrepresent, independently of each other, &#x2014;NH&#x2014; or &#x2014;O&#x2014;; &#x2014;Arepresents a divalent alkylene radical, straight or branched, having from 1 to 10 carbon atoms; &#x2014;Z represents a hydrogen or a group of formula (A'): wherein A, Aand R are as defined above in formula (I), for the preparation of a polymer chosen among polyurethane, polyester and polyamide. 

Process of preparation of polyols and polyamines, and products as obtained

The invention relates to novel block copolymers that enable a good dispersion of nanofillers in water and also to a dispersion of nanofillers obtained owing to these block copolymers. This dispersion may be used as a transparent electrode in organic solar cells or other photoemitter or photoreceptor devices.

Block copolymers that disperse nanofillers in water

The present invention relates to a method for preparing polyols of formula (I&#x2033;)   

Method for preparing polyols and products obtained

The present invention relates to a compound with the following formula (I) where: Ris particularly a straight or branched alkyl group, a is a single or double bond; Ris particularly a hydrogen atom; Rand Rare a hydrogen atom when a is a single bond, and absent when a is a double bond; Ris a hydrogen atom or an ORgroup, where Ris a hydrogen atom or an alkyl group including 1 to 12 atoms of carbon, and Ais a divalent alkylene radical. 

Polyurethane synthesis by means of self-condensation

The present invention concerns a compound of following formula (I): where:

Bicarbonate precursors, method for preparing same and uses thereof

Growing community of inventors

Sainte Terre, France

Henri Cramail