Ecole Superieure De Physique Et De Chimie Industrielles De La Ville De Paris

Centre National De La Recherche Scientifique

Total Marketing Services

Dow Global Technolgoies LLC

Carnegie Mellon University

Université Pierre Et Marie Curie (paris 6)

Universiteit Gent

Totalenergies Onetech

Université Pierre Et Marie Curie

Renaud Nicolay

Ludwik Leibler

Max Rottger

Fanny Briand

Thibault Derouineau

Gregory Descroix

Thi Hang Nga Nguyen

Krzysztof A Matyjaszewski

Corinne Soulie-Ziakovic

Raphaele Iovine

Olan Stanley Fruchey

Kishore K Kar

Ilias Iliopoulos

Richard S Harner

Filip Du Prez

Michael D Cloeter

Yungwan Kwak

Johan Winne

Grégory Descroix

Alexandre Prevoteau

Nebewia Griffete

Jaroslav Mosnácek

Lise Deves

Wim Denissen

Raphaële Iovine

Nébéwia Griffete

A comb copolymer A2 including at least two boronic ester functions, the copolymer including a main chain and side chains, and at least one portion of the side chains of the copolymer A2 made of oligomers. Also, a composition resulting from mixing at least one polydiol compound A1 and a copolymer A2. The compositions exhibit very varied rheological properties depending on the proportion of the compounds A1 and A2 used. Also, a lubricant composition including such a mixture and at least one lubricating oil. Also, use of this composition to lubricate a mechanical part.

Thermoassociative and exchangeable copolymers, and composition comprising same

Compositions resulting from the mixing of at least one copolymer A1, resulting from the copolymerization of at least one monomer functionalized by diol functions with at least one styrenic monomer, and at least one compound A2 comprising at least two boronic ester functions. They have very varied rheological properties depending on the proportion of compounds A1 and A2 used. Composition resulting from the mixing of at least one lubricating oil with such a composition of associative and exchangeable polymers and use of this composition for lubricating a mechanical part.

Thermoassociative and exchangeable copolymers, composition comprising same

Compositions resulting from the mixing of at least: a comb polydiol copolymer A1 and a compound A2 including at least two boronic ester functional groups, the comb polydiol copolymer A1 including a main chain and side chains, at least a portion of the side chains of the copolymer A1 being composed of oligomers. They exhibit very varied rheological properties depending on the proportion of the compounds A1 and A2 used. Composition resulting from the mixing of at least one lubricating oil with such a composition of associative and exchangeable polymers and use of this composition for lubricating a mechanical part.

Composition comprising thermoassociative and exchangeable copolymers

The invention relates to functionalised dioxaborolane or dioxaborinane derivatives of formula (I), wherein Ris covalently bonded to the boron atom by a carbon atom; one of R, R, R'or Ris a radical of formula &#x2014;X; or one of R, R, R, R&#x2032;or Ris a radical of formula &#x2014;X; and X is a functionalised radical. The invention relates to the method for preparing same and the uses thereof.

Compounds, functionalised dioxaborolane or dioxaborinane derivatives, method for preparing same and uses thereof

The invention concerns additive compositions obtained by mixing at least two thermoassociative and exchangeable compounds and at least one boronic ester compound that enables the association of these two copolymers to be controlled; a lubricating composition obtained by mixing at least one lubricating base oil, at least two thermoassociative and exchangeable compounds, and at least one boronic ester compound that enables the association of these two copolymers to be controlled; a method for adjusting the viscosity of a lubricating composition obtained by mixing at least one lubricating base oil and at least two thermoassociative and exchangeable compounds; and the use of a boronic ester compound to adjust the viscosity of a lubricating composition.

Thermoassociative additive compositions, the association of which is controlled, and lubricating compositions containing same

The invention relates to a silicone composition comprising (a) crosslinked polymers comprising consecutive &#x2014;Si&#x2014;O&#x2014; units containing exchangeable pendant bonds and exchangeable crosslinking points, that are exchangeable by aldehyde-imine exchange reactions and/or by imine-imine exchange reactions and/or by imine-primary amine exchange reactions, obtained by crosslinking linear or branched polymers comprising consecutive &#x2014;Si&#x2014;O&#x2014; units and (b) monofunctional free aldehydes and/or monofunctional free imines and/or monofunctional free primary amines.

Polymer composition comprising crosslinked silicones with exchangeable crosslinking points, preparation method and uses

Disclosed is a composition including a network of cross-linked polymers. The network is prepared by one of the following radical copolymerisations. First, there is copolymerization of monomers, polymer of interest precursors, the monomers carrying at least one functional group that is polymerisable by radical polymerization. Second, there is copolymerization of monomers comprising at least one pending imine group and carrying at least one functional group that is polymerisable by radical polymerisation; and/or monomers comprising at least one pending aldehyde group and carrying at least one functional group that is polymerisable by radical polymerization. Third, there is a copolymerization of a cross-linking agent comprising aldehyde and/or imine groups enabling the formation of a cross-linked polymer network containing pending functions and cross-links that are exchangeable by aldehyde-imine exchange reactions and/or by imine-imine exchange reactions.

Composition comprising a cross-linked polymer network, prepared by radical copolymerisation, comprising pending links and cross-links exchangeable by aldehyde-imine exchange reactions and/or by imine-imine exchange reactions, preparation process and use

The present disclosure relates to novel compositions of additives that result from mixing at least two thermoassociative and exchangeable copolymers and at least one compound for controlling the association of these two copolymers. A lubricant composition results from mixing at least one lubricating base oil, at least two thermoassociative and exchangeable copolymers and at least one compound for controlling the association of these two copolymers. The present disclosure also relates to a process for modulating the viscosity of a lubricant composition that results from mixing at least one lubricating base oil, at least two thermoassociative and exchangeable copolymers; as well as the use of a diol compound for modulating the viscosity of a lubricant composition.

Compositions of thermoassociative additives with controlled association and lubricant compositions containing them

A composition results from the mixture of at least one copolymer A resulting from the copolymerization of at least one monomer functionalized by diol functions and at least one compound A2 comprising at last two boronic ester functions. They have rheological properties which are very varied according to the proportion of the A1 and A2 compounds used. The field is that of associative and exchangeable polymers.

Thermoassociative and exchangeable copolymers, and compositions comprising same

A composition results from the mixture of at least one lubricating oil, at least one statistical copolymer A1 , and at least one compound A2 including at least two boronic ester functions; the statistical copolymer A1 resulting from the copolymerisation of at least a first monomer M1 having diol functions and at least a second monomer M2 having a different chemical structure from that of the M1 monomer. The composition lubricates a mechanical part. The field is that of lubricants.

Lubricating compositions comprising thermoassociative and exchangeable copolymers

The object of the invention is polymer compositions comprising cross-linked polymer comprising boronic ester functions enabling exchange reactions, as well as free monofunctional boronic esters. The compositions are obtained from the modification of a polymer by a functionalized boronic ester additive. This polymer can be pre-functionalized boronic ester or functionalized on addition of the said additive. In particular, the invention relates to a process enabling the behavior of a polymer to be modified by addition of a functional additive, enabling a cross-linked network containing exchangeable boronic ester links to be formed.

Boronic polymer crosslinking

The present invention relates to the preparation of a compound library comprising the following steps: The present invention also relates to a compound library.

Compound library preparation process

The object of the invention is a polymer composition including cross-linked polymers, which contain boronic ester functions enabling exchange reactions, as well as free monofunctional boronic esters. This composition originates from the polymerization of precursor monomers to thermoplastic polymers including at least one pending boronic ester group, the pending boronic ester group not containing any polymerizable groups, and cross-linking agent comprising at least one boronic ester group. This enables the formation of a network of cross-linked polymers containing pending functions and cross-links that are exchangeable by boronic ester metathesis reactions. Another object of the invention is processes for preparing this composition and materials and formulations comprising this composition.

Polymer compositions comprising cross-linked polymers comprising boronic ester functions enabling exchange reactions, process for preparing them and their use

The object of the invention is a polymer compositions comprising cross-linked polymer comprising boronic ester functions enabling exchange reactions, as well as free monofunctional boronic esters. The compositions are obtained from the modification of a polymer by a functionalized boronic ester additive. This polymer can be pre-functionalized boronic ester or functionalized on addition of the said additive. In particular, the invention relates to a process enabling the behavior of a polymer to be modified by addition of a functional additive, enabling a cross-linked network containing exchangeable boronic ester links to be formed.

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Verrieres-le-Buisson, France

Renaud Nicolay