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1. WO2020070422 - HYDROGEL COMPOSITIONS

Publication Number WO/2020/070422
Publication Date 09.04.2020
International Application No. PCT/FR2019/052302
International Filing Date 30.09.2019
IPC
C08G 18/48 2006.01
CCHEMISTRY; METALLURGY
08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
GMACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
18Polymeric products of isocyanates or isothiocyanates
06with compounds having active hydrogen
28characterised by the compounds used containing active hydrogen
40High-molecular-weight compounds
48Polyethers
C08G 18/73 2006.01
CCHEMISTRY; METALLURGY
08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
GMACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
18Polymeric products of isocyanates or isothiocyanates
06with compounds having active hydrogen
70characterised by the isocyanates or isothiocyanates used
72Polyisocyanates or polyisothiocyanates
73acyclic
C08G 18/75 2006.01
CCHEMISTRY; METALLURGY
08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
GMACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
18Polymeric products of isocyanates or isothiocyanates
06with compounds having active hydrogen
70characterised by the isocyanates or isothiocyanates used
72Polyisocyanates or polyisothiocyanates
74cyclic
75cycloaliphatic
C09D 175/04 2006.01
CCHEMISTRY; METALLURGY
09DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
DCOATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
175Coating compositions based on polyureas or polyurethanes; Coating compositions based on derivatives of such polymers
04Polyurethanes
C08L 75/04 2006.01
CCHEMISTRY; METALLURGY
08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
LCOMPOSITIONS OF MACROMOLECULAR COMPOUNDS
75Compositions of polyureas or polyurethanes; Compositions of derivatives of such polymers
04Polyurethanes
C08G 65/22 2006.01
CCHEMISTRY; METALLURGY
08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
GMACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
65Macromolecular compounds obtained by reactions forming an ether link in the main chain of the macromolecule
02from cyclic ethers by opening of the heterocyclic ring
04from cyclic ethers only
22Cyclic ethers having at least one atom other than carbon and hydrogen outside the ring
CPC
C08G 18/10
CCHEMISTRY; METALLURGY
08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
GMACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
18Polymeric products of isocyanates or isothiocyanates
06with compounds having active hydrogen
08Processes
10Prepolymer processes involving reaction of isocyanates or isothiocyanates with compounds having active hydrogen in a first reaction step
C08G 18/4829
CCHEMISTRY; METALLURGY
08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
GMACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
18Polymeric products of isocyanates or isothiocyanates
06with compounds having active hydrogen
28characterised by the compounds used containing active hydrogen
40High-molecular-weight compounds
48Polyethers
4829Polyethers containing at least three hydroxy groups
C08G 18/4862
CCHEMISTRY; METALLURGY
08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
GMACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
18Polymeric products of isocyanates or isothiocyanates
06with compounds having active hydrogen
28characterised by the compounds used containing active hydrogen
40High-molecular-weight compounds
48Polyethers
4862containing at least a part of the ether groups in a side chain
C08G 18/73
CCHEMISTRY; METALLURGY
08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
GMACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
18Polymeric products of isocyanates or isothiocyanates
06with compounds having active hydrogen
70characterised by the isocyanates or isothiocyanates used
72Polyisocyanates or polyisothiocyanates
73acyclic
C08G 18/755
CCHEMISTRY; METALLURGY
08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
GMACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
18Polymeric products of isocyanates or isothiocyanates
06with compounds having active hydrogen
70characterised by the isocyanates or isothiocyanates used
72Polyisocyanates or polyisothiocyanates
74cyclic
75cycloaliphatic
751containing only one cycloaliphatic ring
752containing at least one isocyanate or isothiocyanate group linked to the cycloaliphatic ring by means of an aliphatic group
753containing one isocyanate or isothiocyanate group linked to the cycloaliphatic ring by means of an aliphatic group having a primary carbon atom next to the isocyanate or isothiocyanate group
755and at least one isocyanate or isothiocyanate group linked to a secondary carbon atom of the cycloaliphatic ring, e.g. isophorone diisocyanate
C08G 2101/0091
CCHEMISTRY; METALLURGY
08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
GMACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
2101Foams
0091Aerogels; Xerogels
Applicants
  • OPHTALMIC COMPAGNIE [FR]/[FR]
  • UNIVERSITÉ DE HAUTE-ALSACE [FR]/[FR]
Inventors
  • STUMBÉ, Jean-François
  • COUMES, Fanny
  • RUMIGNY, Jean-François
  • BISTAC, Sophie
  • JAGU, Romain
Agents
  • NOVAGRAAF TECHNOLOGIES
Priority Data
185912402.10.2018FR
Publication Language French (FR)
Filing Language French (FR)
Designated States
Title
(EN) HYDROGEL COMPOSITIONS
(FR) COMPOSITIONS D'HYDROGELS
Abstract
(EN)
The invention concerns a crosslinkable composition comprising: A1) at least one multifunctional isocyanate-terminated urethane prepolymer comprising between 1 and 16 isocyanate functionalities on average, the average functionality being strictly greater than 1, the prepolymer being a product of the reaction of a diisocyanate, a triisocyanate or a polyisocyanate with a functionality strictly greater than 3, with a polyol comprising 1 to 8 hydroxyl groups; and/or A2) at least one mono, di or polyisocyanate and/or an oligoglycerol; with B) at least one macropolyol chosen from: B1) oligoglycerols with an average degree of polymerisation less than or equal to 7, B2) glycerol dendrimers, B3) linear, branched or hyperbranched polyglycerols with a degree of polymerisation greater than or equal to 8, B4) mixtures of hyperbranched polyglycerols and linear, branched or hyperbranched oligoglycerols, with a degree of polymerisation of between 2 and 7, optionally functionalised; and optionally: C) at least one polyol comprising at least two hydroxyl groups; D) at least one mono, di ou polyisocyanate; E) optionally at least one monofunctional alcohol, a mixture of monofunctional alcohols or a monohydroxylated polyether made from ethylene glycol and/or ethylene glycol/propylene glycol, or a mixture of monohydroxylated polyether and monofunctional alcohols; F) at least one catalyst or a combination of catalysts; G) at least one additive chosen from antioxidants, oxygen permeability enhancers, water retention agents, lubricants, compatibilising agents, viscosity modifiers, colouring agents, opacifying agents, antimicrobial agents, therapeutic agents and anti-biofilm bacterial agents; and/or H) at least one agent chosen from UV filters, UV absorbers and blue light filters.
(FR)
L'invention se rapporte à une composition réticulable comprenant: A1) au moins un prépolymère uréthane terminé isocyanate multifonctionnel comprenant de 1 à 16 fonctionnalité(s) isocyanate en moyenne, la fonctionnalité moyenne étant supérieure strictement à 1, ledit prépolymère étant un produit de la réaction d'un diisocyanate,d'un triisocyanateou d'un polyisocyanate de fonctionnalité strictement supérieure à 3, avec un polyol comprenant 1 à 8 groupes hydroxyles; et/ou A2) au moins un mono, di ou polyisocyanate et/ou un oligoglycérol; avec B) au moins un macropolyol choisi parmi: B1) les oligoglycérols de degré de polymérisation moyen inférieur ou égal à 7, B2) les dendrimères du glycérol, B3) les polyglycérols linéaires, ramifiés ou hyperramifiés de degré de polymérisation supérieur ou égal à 8, B4) les mélanges de polyglycérols hyperramifiés et d'oligoglycérols linéaires, ramifiés ou hyperramifiés, de degré de polymérisation compris entre 2 et 7,éventuellement fonctionnalisé; et éventuellement: C) au moins un polyol comprenant au moins deux groupements hydroxyles; D) au moins un mono, di ou polyisocyanate; E) éventuellement au moins un alcool monofonctionnel, un mélange d'alcools monofonctionnels ou un polyéther monohydroxylé à base d'éthylène glycol et/ou d'éthylène glycol/propylène glycol, ou un mélange de polyéther monohydroxylé et d'alcools monofonctionnels; F) au moins un catalyseurou une combinaison de catalyseurs; G) au moins un additif choisi parmi les antioxydants,les promoteurs de perméabilité à l'oxygène, lesagents de rétention d'eau, les lubrifiants, les agents compatibilisants, les agents de modification de viscosité, les agents de coloration, les agents opacifiants, les agents anti-microbiens, les agents thérapeutiques et les agents anti-biofilm bactérien; et/ou H) au moins agent choisi parmi les filtres-UV, les absorbants UV et les filtres de la lumière bleue.
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