Bostik Sa

Centre National De La Recherche Scientifique

Université De Rennes 1

Arkema France

Université De Rennes I

Universite Claude Bernard – Lyon1

Université De Haute-Alsace

Cpe Lyon Formation Continue Et Recherche-Cpe Lyon Fcr

Universitë De Bordeaux

Institut Polytechnique De Bordeaux

Guillaume Michaud

Frederic Simon

Stephane Fouquay

Sophie Guillaume

Jean-François Carpentier

Frédéric Simon

Stéphane Fouquay

Cyril Chauveau

Aurélien Wiegand

Rosangela Pirri

Philippe Hajji

Federico Sanz

Rabi Inoubli

Abdou Khadri Diallo

Marjorie Pereira

Elise Vanbiervliet

Boris Colin

Vincent Monteil

Jacques Lalevee

Olivier Lavastre

Jean Raynaud

Mathieu Pucheault

Francis Pardal

David Penet

Marjorie Pereira-bayart

Marjorie Pereira-Bayart

Liana Annunziata

Jean Francois Carpentier

Virginie Liautard

Lionel Bosco

Aurelien Wiegand

Colombine Poivret

Bruno Delmotte

The present invention relates to a process for the preparation of a polyurethane comprising: and

(Meth)acrylic composition comprising a modified polyurethane

The present invention relates to a composition suitable as (meth)acrylic adhesive composition comprising a multistage polymer in form of polymeric particles and a (meth)acrylic polymer, its process of preparation, and its use. In particular the present invention relates to a structural (meth)acrylic adhesive composition comprising a multistage polymer in form of polymeric particles made by a multistage process and a (meth)acrylic polymer, its process of preparation and its use. More particularly the present invention relates to structural (meth)acrylic adhesive composition made from a two part composition comprising a multistage polymer in form of polymeric particles made by a multistage process and a (meth)acrylic polymer, its process of preparation, and its use.

(Meth)acrylic composition, its method of preparation and its use

The present invention relates to a two-component composition comprising: —a composition A comprising: —at least one reducing agent; —at least one (meth)acrylate monomer; —a composition B comprising: —at least one oxidising agent; and—optionally at least one (meth)acrylate monomer; the composition being characterised in that: —it comprises at least one radical photoinitiator in composition A and/or B; —it comprises at least one polymerisation inhibitor in an amount less than or equal to 0.3% by weight relative to the total weight of the composition.

Composition made from (meth)acrylate monomers

The invention relates to a composition comprising: an NCO component comprising: A) at least one polyurethane comprising at least two NCO terminal groups produced by an addition polymerisation reaction of at least one dissymetric diisocyanate and at least one polyol, and B) at least one polyisocyanate comprising at least three NCO isocyanate functions, selected from the group consisting of biurets, isocyanurates, adducts of diisocyanates and of triols, and the mixtures thereof; and an OH component comprising: at least one polyol; and a total content of filler(s) higher than or equal to 35 wt. %, in relation to the total weight of said OH component.

Polyurethane-based composition

The present invention relates to a compound of formula (I): and also to the process for preparing same, and to the uses thereof. The present invention also relates to the polyurethanes obtained from the compounds of formula (I), and also to the uses of said polyurethanes.

Functionalized hydroxysilanes, silylated polyurethanes, and compositions comprising same

A hot-melt pressure-sensitive adhesive composition comprises: The polyurethane(s) (a): tackifying resin(s) (b) ratio by weight ranges from 4:6 to 6:4. The said polyurethane (a) has a mean functionality of functional groups of formula (I) strictly of greater than 1.9.

Hot-melt pressure-sensitive adhesive composition based on polyurethane/(meth)acrylic

The present invention relates to a method for producing a composition comprising at least one polyurethane with NCO end groups, and at least one catalyst B selected from among tertiary amines, said method comprising the following steps: a) production of a polyurethane with NCO end groups, comprising a step of polyaddition of a polyol composition and a polyisocyanate composition, in the presence of at least one catalyst A selected from the group consisting of—organo-metallic catalysts excluding tin-based catalysts, —tertiary amines, and—mixtures of same; and b) the addition of at least one catalyst B, selected from among tertiary amines, to the polyurethane with NCO end groups obtained in step a).

Method for producing a composition comprising a polyurethane with NCO end groups

The invention relates to a monoethylenically unsaturated monomer of formula (I), and to the use thereof for producing a polymer. The invention also relates to the polymer obtained by polymerising said monomer, and to the use thereof in a composition for producing coatings.

Monoethylenically unsaturated monomers and uses thereof

The invention relates to a composition comprising: &#x2014;a composition A containing at least one polyurethane comprising at least two terminal functions T of formula (I): and &#x2014;a composition B comprising at least one amine. Also disclosed is the use of said composition.

The invention relates to an adhesive dual-component composition based on polyurethane, comprising an &#x2014;NCO component and an &#x2014;OH component such that: the &#x2014;NCO component is a composition comprising: A) at least one polyurethane prepolymer comprising at least two NCO terminal groups obtained by the polyaddition reaction of at least one dissymmetric diisocyanate monomer and at least one diol, and B) at least one triisocyanate selected from isocyanurates, biurets, diisocyanate and triol adducts, and the mixtures thereof; the &#x2014;OH component is a composition comprising at least one polyol; at least one of the polyols or diols is selected from polyether polyols (or polyether diols); at least one of the polyols or diols is selected from polyester polyols (or polyester diols); and the weight ratio of the quantity of polyether polyol(s) to the quantity of polyester polyol(s), defined as r, ranges from 0.6 to 2.2.

Adhesive dual-component composition based on polyurethane

1) Hydrocarbon-based copolymer comprising two end groups preceded by an ester function and chosen from a 2-oxo-1,3-dioxolan-4-yl (or cyclocarbonate), a dithiocyclocarbonate, an exo-vinylene cyclocarbonate and a 2-oxo-1,3-dioxolen-4-yl, the main chain of which comprises units (I) and (II)  in which Ris notably a methyl radical; and the number-average molecular mass Mn of which is between 400 and 100 000 g/mol. 2) Process for preparing said copolymer, comprising: (i) a step of heating a statistical bipolymer A chosen from a poly(butadiene-isoprene), a poly(butadiene-myrcene) and a poly(butadiene-farnesene); and then (ii) a step of heating the product formed, in the presence of a chain-transfer agent. 3) Use as adhesive, as a mixture with an amine compound comprising at least two amine groups.

Liquid hydrocarbon-based copolymers bearing two cyclocarbonate ester end groups

(Meth)acrylic adhesive composition, its method of preparation and its use

The invention relates to an adhesive dual-component composition based on polyurethane, comprising an &#x2014;NCO component and an &#x2014;OH component such that: the &#x2014;NCO component is a composition comprising A) at least one polyurethane prepolymer comprising at least two NCO terminal groups obtained by polyaddition reaction of at least one aliphatic polyisocyanate selected from aliphatic diisocyanate monomers and mixtures of at least one aliphatic diisocyanate monomer with at least one triisocyanate based on XDI, and at least one polyester diol, and B) at least one triisocyanate based on XDI; and the &#x2014;OH component is a composition comprising at least one polyester polyol. The invention relates to a method for producing a multilayer structure implementing an adhesive composition according to the invention, as well as to the use of such a structure in the field of flexible packaging.

The invention relates to an adhesive composition that can be activated at a low temperature (from 110&#xb0; C., preferably from 100&#xb0; C.) and is available in the form of a film, and to the method for the production thereof. The invention also relates to a composition comprising at least one specific polyester polyol and at least one specific polyisocyanate dispersible in said polyester polyol in the presence of at least one specific organic solvent, and to the use of said composition for producing an adhesive composition that can be activated at a low temperature and is available in the form of a film.

Adhesive film activatable at low temperature

1) Hydrocarbon-based copolymer comprising two end groups preceded by an ether function and chosen from a 2-oxo-1,3-dioxolan-4-yl (or cyclocarbonate), a dithiocyclocarbonate, and a 2-oxo-1,3-dioxolen-4-yl, the main chain of which comprises units (I) and (II)  2) Process for preparing said copolymer, comprising: 3) Use as adhesive, as a mixture with an amine compound comprising at least two amine groups.

Liquid hydrocarbon copolymers having two cyclocarbonate ether end groups

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Compiegne, France

Guillaume Michaud