EP3830202A1 - Procede de preparation de composes a groupement alkoxysilyl - Google Patents
Procede de preparation de composes a groupement alkoxysilylInfo
- Publication number
- EP3830202A1 EP3830202A1 EP19753179.1A EP19753179A EP3830202A1 EP 3830202 A1 EP3830202 A1 EP 3830202A1 EP 19753179 A EP19753179 A EP 19753179A EP 3830202 A1 EP3830202 A1 EP 3830202A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- formula
- carbon atoms
- polyurethane
- acrylate
- linear
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Withdrawn
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Classifications
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
- C09J175/00—Adhesives based on polyureas or polyurethanes; Adhesives based on derivatives of such polymers
- C09J175/04—Polyurethanes
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G18/00—Polymeric products of isocyanates or isothiocyanates
- C08G18/06—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen
- C08G18/08—Processes
- C08G18/10—Prepolymer processes involving reaction of isocyanates or isothiocyanates with compounds having active hydrogen in a first reaction step
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G18/00—Polymeric products of isocyanates or isothiocyanates
- C08G18/06—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen
- C08G18/28—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen characterised by the compounds used containing active hydrogen
- C08G18/40—High-molecular-weight compounds
- C08G18/48—Polyethers
- C08G18/4833—Polyethers containing oxyethylene units
- C08G18/4837—Polyethers containing oxyethylene units and other oxyalkylene units
- C08G18/4845—Polyethers containing oxyethylene units and other oxyalkylene units containing oxypropylene or higher oxyalkylene end groups
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G18/00—Polymeric products of isocyanates or isothiocyanates
- C08G18/06—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen
- C08G18/28—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen characterised by the compounds used containing active hydrogen
- C08G18/67—Unsaturated compounds having active hydrogen
- C08G18/671—Unsaturated compounds having only one group containing active hydrogen
- C08G18/672—Esters of acrylic or alkyl acrylic acid having only one group containing active hydrogen
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G18/00—Polymeric products of isocyanates or isothiocyanates
- C08G18/06—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen
- C08G18/70—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen characterised by the isocyanates or isothiocyanates used
- C08G18/72—Polyisocyanates or polyisothiocyanates
- C08G18/74—Polyisocyanates or polyisothiocyanates cyclic
- C08G18/76—Polyisocyanates or polyisothiocyanates cyclic aromatic
- C08G18/7614—Polyisocyanates or polyisothiocyanates cyclic aromatic containing only one aromatic ring
- C08G18/7621—Polyisocyanates or polyisothiocyanates cyclic aromatic containing only one aromatic ring being toluene diisocyanate including isomer mixtures
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G18/00—Polymeric products of isocyanates or isothiocyanates
- C08G18/06—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen
- C08G18/70—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen characterised by the isocyanates or isothiocyanates used
- C08G18/81—Unsaturated isocyanates or isothiocyanates
- C08G18/8108—Unsaturated isocyanates or isothiocyanates having only one isocyanate or isothiocyanate group
- C08G18/8116—Unsaturated isocyanates or isothiocyanates having only one isocyanate or isothiocyanate group esters of acrylic or alkylacrylic acid having only one isocyanate or isothiocyanate group
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING 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
- C09D175/00—Coating compositions based on polyureas or polyurethanes; Coating compositions based on derivatives of such polymers
- C09D175/04—Polyurethanes
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING 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
- C09D175/00—Coating compositions based on polyureas or polyurethanes; Coating compositions based on derivatives of such polymers
- C09D175/04—Polyurethanes
- C09D175/14—Polyurethanes having carbon-to-carbon unsaturated bonds
- C09D175/16—Polyurethanes having carbon-to-carbon unsaturated bonds having terminal carbon-to-carbon unsaturated bonds
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
- C09J175/00—Adhesives based on polyureas or polyurethanes; Adhesives based on derivatives of such polymers
- C09J175/04—Polyurethanes
- C09J175/14—Polyurethanes having carbon-to-carbon unsaturated bonds
- C09J175/16—Polyurethanes having carbon-to-carbon unsaturated bonds having terminal carbon-to-carbon unsaturated bonds
Definitions
- the present invention relates to a process for the preparation of compounds with an alkoxysilyl group, in particular with an alkoxysilyl end group, and more particularly of polymers with an alkoxysilyl end group. It also relates to the new compounds thus prepared.
- the adhesive compositions which comprise such a polymer in combination with a catalyst and optionally a filler, can be applied in a thin layer on at least one of two substrates to be assembled.
- a polymer with alkoxysilyl end groups reacts, at room temperature, by crosslinking in the presence of water (from the ambient medium and / or substrates), which leads to the formation of a cohesive adhesive seal ensuring the solidity of the assembly of these two substrates.
- This adhesive joint mainly consists of said polymer crosslinked in a three-dimensional network which is formed by the polymer chains linked together by siloxane type bonds. Crosslinking can take place before or after bringing the two substrates into contact and applying pressure, if necessary, at their tangency surface.
- Polyethers with alkoxysilyl end groups are widely available commercially, in particular from the company KANEKA under the name of Polymers MS or MS Polymers for "Modified Silane Polymers" in English.
- a well known process for preparing such polyethers with alkoxysilyl end groups comprises the production of a polyether with OH end groups, the conversion of said groups to olefin, and the hydrosilylation of the terminal allylic double bonds in the presence of a platinum catalyst.
- Application WO 2009/106699 to BOSTIK also describes a process for the preparation of a polyether-polyurethane with alkoxysilyl end groups which comprises reacting an isocyanatosilane with a polyether-polyurethane comprising 2 end groups -OH.
- the object of the present invention is therefore to propose a new process for
- the present invention relates firstly to a process for the preparation of a compound (A) comprising at least one group F alkoxysilyl of formula (I):
- - X represents -O- or the group -NR 4 - in which R 4 represents a hydrogen atom or an alkyl radical comprising from 1 to 20 carbon atoms, preferably from 1 to 4 carbon atoms;
- R 1 is a hydrocarbon radical, saturated or unsaturated, linear or branched, comprising from 1 to 20 carbon atoms, preferably from 1 to 9 carbon atoms and even more preferably from 1 to 2 carbon atoms;
- - R 2 represents a linear or branched alkyl radical comprising from 1 to 4 carbon atoms, with the possibility that, when there are several radicals R 2 , the latter are identical or different;
- - R 3 represents a linear or branched alkyl radical comprising from 1 to 4 carbon atoms, with the possibility that, when there are several radicals R 3 , the latter are identical or different, and with the possibility, moreover, that two OR 3 groups can be engaged in the same cycle;
- - p is an integer equal to 0, 1 or 2, preferably equal to 0 or 1; and said method comprising a cross metathesis reaction in the presence of:
- R 1 , R 2 and R 3 are as defined above;
- the compound (A) is a polymer whose main chain is chosen:
- X is the group -NR 4 -, from a polyether, a polyene, a poly (meth) acrylate or a polyurethane;
- Said polymer (A) is then advantageously obtained from a polymer (B) whose main chain is identical to that of the polymer (A) and which comprises at least one group F ′ of formula (G), preferably terminal, preferably at least 2 groups F 'of formula (F) and, even more preferably 2 terminal groups F' of formula (G).
- polymer is understood to mean a compound the main chain of which consists of the repetition of at least 2 monomer units (or repeating units) and the molar mass of which, measured for example by NMR or mass spectrometry, is between 1,000 and 50,000 g / mol.
- terminal grouping is meant a grouping located at one end of the main chain.
- the polymer with an alkoxysilyl end group (A), as well as the precursor polymer (B), has an average molar mass ranging from 1000 to 50,000 g / mol, preferably from 1000 to 40,000 g / mol, and more preferably from 1000 to 30,000 g / mol.
- the average molecular weight of the polymers can be measured by methods well known to those skilled in the art, for example by NMR, mass spectrometry and size exclusion chromatography using polystyrene standards.
- the main chain of polymers (B) and (A) consists of a polyurethane
- the latter is advantageously chosen from a polyether-polyurethane, a polyester-polyurethane, a polyether-polyester-polyurethane, a polyene-polyurethane, a polyether- polyene-polyurethane or a poly (meth) acrylate-polyurethane.
- Said polymer (B) is prepared by reaction of at least one polyol which is chosen from:
- polyether polyol preferably a polyether diol or triol
- polyester polyol preferably a polyester diol
- polyene polyol preferably a polyene diol
- the polyol (s) used for the preparation of said polymer (B) can be chosen from those whose number average molecular mass (Mn) ranges from 1000 to 40,000. g / mol, preferably from 1000 to 30,000 g / mol, and even more preferably from 1000 to 22,000 g / mol.
- hydroxyl functionality ranges from 1 to 6, preferably from 2 to 3.
- the hydroxyl functionality is the average number of hydroxyl functions per mole of polyol.
- the —OH groups are preferably located at the 2 ends of the main chain of the polymer.
- the polyol (s) which can be used according to the invention has (s) a hydroxyl number (IOH) (average) ranging from 1 to 337 milligrams of KOH per gram of polyol (mg KOH / g) , preferably from 2 to 337 mg KOH / g, more preferably from 3 to 337 mg KOH / g.
- IOH hydroxyl number
- the hydroxyl number of polyol (s) having a hydroxyl functionality of 2 ranges from 2 to 112 mg KOH / g, preferably from 3 to 112 mg KOH / g, more preferably from 5 to 112 mg KOH / g.
- the hydroxyl number of polyol (s) having a hydroxyl functionality of 3 ranges from 4 to 168 mg KOH / g, preferably 5 to 168 mg KOH / g, more preferably from 7 to 168 mg KOH / g.
- the hydroxyl number (IOH) of a polyol is the number of moles of -OH functions present for 1 gram of said polyol, expressed in the form of the equivalent number of milligrams of KOH measured experimentally to neutralize acetic acid which combines with 1 gram of said polyol by an acetylation reaction.
- the polyol (s) which can be used can be chosen from aromatic polyols, aliphatic polyols, arylaliphatic polyols and mixtures of these compounds.
- Polymers (B) comprising at least 2 acrylate end groups and the main chain of which is chosen from a polyether, a polyester, a polyene or a poly (meth) acrylate are also commercially available.
- liquid poly (propylene) glycols diacrylate having a number molecular mass (Mn) of 1,000 to 4,000 g / mol available from ADVANCED ORGANIC SYNTHESIS with the following formula:
- n and n are integers such that the number-average molecular mass ranges from 1000 to 10000 g / mole, preferably from 1000 to 5000 g / mole;
- R H, Me, Et, Bu or Phenyl
- R ’ H or Me
- n l to l00
- z l to 3.
- polyester polyols are saturated or unsaturated polyolefin diols which can be used for synthesis.
- the polyester polyol (s) can (have) a number-average molecular mass ranging from 1,000 g / mol to 10,000 g / mol, preferably from 1,000 g / mol to 6,000 g / mol.
- the polyester polyols can be chosen from polyester diols and polyester triols, and preferably from polyester diols.
- polyester polyols there may be mentioned, for example:
- aliphatic (linear, branched or cyclic) or aromatic polyols such as, for example, monoethylene glycol, diethylene glycol, 1,2-propanediol, l, 3-propanediol, l, 4-butanediol, butenediol, 1,6-hexanediol, cyclohexane dimethanol, tricyclodecane dimethanol, neopentyl glycol, cyclohexane dimethanol, glycerol, trimethylolpropane, l, 2,6-hexanetriol, sucrose, glucose, sorbitol, pentaerythritol, mannitol, N-methyldiethanolamine, triethanolamine, a dimeric fatty alcohol, a trimeric fatty alcohol and mixtures thereof, with
- polycarboxylic acid or its ester or anhydride derivative such as 1,6-hexanedioic acid (adipic acid), dodecanedioic acid, azelaic acid, sebacic acid, adipic acid, acid 1,18-octadecanedioic acid, phthalic acid, isophthalic acid, terephthalic acid, succinic acid, a dimer fatty acid, a trimer fatty acid and mixtures of these acids, an unsaturated anhydride such as for example l maleic or phthalic anhydride, or a lactone such as for example caprolactone.
- anhydride derivative such as 1,6-hexanedioic acid (adipic acid), dodecanedioic acid, azelaic acid, sebacic acid, adipic acid, acid 1,18-octadecanedioic acid, phthalic acid, isophthalic acid, terephthalic acid, succinic
- polyester polyols raised can be prepared in a conventional manner, and are for the most part commercially available.
- polyesters polyols one can for example quote the following products of hydroxyl functionality equal to 2:
- TONE® 0240 (marketed by UNION CARBIDE) which is a polycaprolactone of average molecular mass in number of around 2000 g / mol, and a melting point of approximately 50 ° C.
- DYNACOLL® 7381 (marketed by EVONIK) with a number average molecular weight of around 3500 g / mol, and having a melting point of around 65 ° C
- DYNACOLL® 7360 (marketed by EVONIK) which results from the condensation of adipic acid with hexanediol, and has a number average molecular mass of around 3500 g / mol, and a melting point of 55 ° C approximately
- polyester polyol having a viscosity of 180 Pa.s at 23 ° C, an average molecular mass in number Mn equal to 5,500 g / mol, and a T g equal to - 50 ° C,
- KURARAY® P-6010 polyester polyol having a viscosity of 68 Pa.s at 23 ° C, an average molecular mass in number Mn equal to 6000 g / mol, and a T g equal at -64 ° C,
- KURARAY® P- 10010 polyester polyol having a viscosity of 687 Pa.s at 23 ° C, and a number average molecular weight Mn equal to 10,000 g / mol
- polyester polyol having an average molecular mass in number Mn close to 1000 g / mol and whose hydroxyl index ranges from 108 to 116 mg KOH / g. It is a product of the condensation of adipic acid, diethylene glycol and monoethylene glycol,
- DEKATOL® 3008 (marketed by the company BOSTIK) with an average molar mass in number Mn of around 1060 g / mol and whose hydroxyl index ranges from 102 to 112 mg KOH / g. It is a product of the condensation of adipic acid, diethylene glycol and monoethylene glycol.
- the polyether polyol (s) may (wind) have a number average molecular weight ranging from 1000 to 30,000 g / mol, preferably from 1000 to 20,000 g / mol.
- the polyether polyol (s) which can be used according to the invention is (are) preferably chosen from polyoxyalkylene polyols, the alkylene part of which, linear or branched, comprises from 1 to 4 carbon atoms, more preferably from 2 to 3 carbon atoms.
- the polyether polyol (s) which can be used according to the invention is (are) preferably chosen from polyoxyalkylene diols or polyoxyalkylene triols, of which the alkylene part, linear or branched, comprises from 1 to 4 carbon atoms, more preferably from 2 to 3 carbon atoms.
- polyoxypropylene diols or triols also known as polypropylene glycol (PPG) diols or triols
- PPG polypropylene glycol
- Mn number average molecular weight
- polyoxyethylene diols or triols also known as polyethylene glycol (PEG) diols or triols
- Mn number average molecular weight
- the polyether polyols raised can be prepared in a conventional manner, and are widely available commercially. They can be obtained by polymerization of the corresponding alkylene oxide in the presence of a basic catalyst (for example potash) or of a catalyst based on a double metal-cyanide complex.
- a basic catalyst for example potash
- a catalyst based on a double metal-cyanide complex for example
- polyether diol By way of example of a polyether diol, mention may be made of the polyoxypropylene diols sold under the name "ACCLAIM® 2220, 4200, 8200, 12200 and 18200" by the company COVESTRO, of number average molecular mass (Mn) ranging from 2,000 at 22,000 g / mol and whose hydroxyl number ranges from 5 to 58 mg KOH / g.
- Mn number average molecular mass
- polyether triol By way of example of a polyether triol, mention may be made of the polyoxypropylene triol sold under the name "VORANOL® CP3355" by the company Dow, with a number average molecular weight close to 3,554 g / mol.
- the polyene polyol (s) which can be used according to the invention can be chosen preferably from polyenes comprising terminal hydroxyl groups, and their corresponding hydrogenated or epoxidized derivatives.
- Said polyenes can have a number average molecular weight ranging from 1,000 to 10,000 g / mol, and preferably from 1,000 to 5,000 g / mol.
- terminal hydroxyl groups of a polyene polyol means the hydroxyl groups located at the ends of the main chain of the polyene polyol.
- the hydrogenated derivatives mentioned above can be obtained by total or partial hydrogenation of the double bonds of a polydiene comprising terminal hydroxyl groups, and are therefore saturated (s) or unsaturated (s).
- the epoxidized derivatives mentioned above can be obtained by chemoselective epoxidation of the double bonds of the main chain of a polyene having terminal hydroxyl groups, and therefore comprise at least one epoxy group in its main chain.
- polyene polyols mention may be made of butadiene homopolymers, saturated or unsaturated, comprising terminal hydroxyl groups, optionally epoxidized, such as for example those sold under the name "POLY BD® or KRASOL®” by the company CRAY VALLEY or those sold by the company IDEMITSU KOSAN.
- polyene polyols mention may be made of isoprene homopolymers, saturated or unsaturated, comprising terminal hydroxyl groups, such as for example those sold under the name "POLY IP TM or EPOL TM" by the company IDEMITSU KOSAN .
- the poly (meth) acrylate polyol (s) which can be used according to the invention can (wind) have a number-average molecular mass ranging from 1000 to 22,000 g / mol, preferably from 1000 to 10,000 g / mol, and even more preferably from 1,000 to 6,000 g / mol.
- the poly (meth) acrylate polyol (s) which can be used according to the invention is (are) preferably chosen from homopolymers, copolymers and terpolymers of acrylate monomer (s) and / or methacrylate (s).
- the poly (meth) acrylate polyol (s) which can be used according to the invention is (are) preferably chosen from poly (meth) acrylates and poly (meth) acrylates triols ( telechelic).
- poly (meth) acrylate polyols which can be used for the synthesis of said polymer (B)
- Said polyurethane (B) can be obtained by the reaction:
- a polyurethane comprising at least two terminal functional groups -OH with at least one isocyanatoalkylacrylate;. or
- a polyurethane comprising at least two terminal functional groups -NCO with at least one hydroxyl ester of acrylic acid.
- the polyurethane (B) is prepared according to a process comprising the following steps:
- At least one polyisocyanate preferably chosen from diisocyanates and their mixtures
- at least one polyol preferably chosen from polyester polyols, polyether polyols, polyene polyols, poly (meth) acrylate polyols and their mixtures
- NCO / OH (rl) molar ratio is strictly less than 1, preferably ranges from 0.2 to 0.8, and preferably ranges from 0.3 to 0.5;
- the molar ratio (rl): NCO / OH corresponds to the molar ratio of the number of isocyanate groups (NCO) to the number of hydroxyl groups (OH) carried by all of the polyisocyanate (s) and polyol (s) present in the medium reaction of step E1 . 2 . 1 . 1 ).
- the group F ′ of the polyurethane (B) obtained then corresponds to the formula (I ′) - 1:
- the polyurethane (B) can be obtained by the reaction of a polyurethane comprising at least two terminal functions -OH with at least one isocyanatoalkylacrylate.
- said polyurethane (B) is prepared by a process comprising the following steps:
- polyol preferably chosen from polyester polyols, polyether polyols, polyene polyols, poly (meth) acrylate polyols and their mixtures;
- NCO / OH (rl) molar ratio is strictly less than 1, preferably ranges from 0.2 to 0.8, and preferably ranges from 0.3 to 0.5;
- step E1 . 2 . 2 . 1 the reaction of the product formed at the end of step E1 . 2 . 2 . 1 ) with at least one isocyanatoalkylacrylate, in amounts such that the OH / NCO molar ratio (r3) is less than or equal to 1, preferably ranges from 0.90 to 1.00, more preferably from 0.95 to 1.00, and even more preferably is equal to 1.
- the molar ratio (rl): NCO / OH corresponds to the molar ratio of the number of isocyanate groups (NCO) to the number of hydroxyl groups (OH) carried by all of the polyisocyanate (s) and polyol (s) present in the medium reaction of step Ei . 2 . 2 . 1 ).
- the OH / NCO molar ratio (r3) corresponds to the molar ratio of the number of hydroxyl groups (OH) to the number of isocyanate groups (NCO) carried, respectively, by the whole:
- R ° represents a linear or branched divalent hydrocarbon radical, aliphatic or cyclic, saturated or unsaturated, preferably comprising from 2 to 24 atoms of carbon, and possibly being interrupted by one or more heteroatoms (such as for example N, O, S, and in particular O).
- the isocyanatoacrylates of formula (IV) can in particular be obtained according to one of the procedures described in patent application JP 6025476 by SHOWA DENKO from amino alcohols, cyclic urethanes and methyl acrylate without the use of phosgene.
- isocyanatoacrylates of formula (IV) mention may, for example, be made of 2-isocyanatoethyl acrylate (CAS number: 13641-96-8) available from SHOWA DENKO EUROPE.
- R ° represents a divalent linear or branched, aliphatic or cyclic, saturated or unsaturated alkylene radical, comprising from 2 to 24 carbon atoms, preferably from 2 to 18, preferably from 2 to 14, even more preferably from 2 to 10, and advantageously from 2 to 6 carbon atoms.
- the polyurethane (B) can be obtained by the reaction of a polyurethane comprising at least two terminal -NCO functions with at least one hydroxylated ester of acrylic acid.
- said polyurethane (B) is prepared by a process comprising the following steps: - E I. 2 . 3 . 1 ) the preparation of a polyurethane with NCO endings by a polyaddition reaction:
- polyol preferably chosen from polyester polyols, polyether polyols, polyene polyols, poly (meth) acrylate polyols and their mixtures;
- NCO / OH molar ratio (r4) is strictly greater than 1, preferably ranges from 1.3 to 2.0, and preferably ranges from 1.5 to 1.7;
- step Ei . 2 . 3 . x the reaction of the product formed at the end of step Ei . 2 . 3 . x ) with at least one hydroxylated ester of acrylic acid, in amounts such that the OH / NCO molar ratio (r5) is less than or equal to 1, preferably ranges from 0.90 to 1.00, more preferred from 0.95 to 1.00, and even more preferably is equal to 1.
- the molar ratio (r4) NCO / OH corresponds to the molar ratio of the number of isocyanate groups (NCO) to the number of hydroxyl groups (OH) carried, respectively, by all of the polyisocyanate (s) and polyol (s) present in the reaction medium of step Ei.2.3. 1 ).
- step E1 . 2 . 3 . 1 When the polyurethane with NCO endings is obtained during step E1 . 2 . 3 . 1 ) from a mixture of polyisocyanates or several polyisocyanates added successively, the calculation of the ratio (r4) takes into account on the one hand the NCO groups carried by all of the polyisocyanate (s) present (s) in the reaction medium of step E1 . 2 . 3 . 1 ), and on the other hand OH groups carried by the polyol (s) present (s) in the reaction medium of step E1 . 2 . 3 . 1 ).
- the OH / NCO molar ratio (r5) corresponds to the molar ratio of the number of hydroxyl groups (OH) to the number of isocyanate groups (NCO) carried respectively:
- step E 1 2 3 1 - by the isocyanate (s) (particularly with regard polyurethane NCO-terminated and optionally (s) polyisocyanate (s) unreacted (s) at the end of step E 1 2 3 1Certainly) Present in the reaction medium of step E1 . 2 . 3 2 ).
- the hydroxylated ester of acrylic acid used in the preparation of the polyurethane (B) according to the alternative embodiment 1.2.3. may be, according to a more preferred variant, represented by the following formula (V):
- R '° represents a linear or branched divalent hydrocarbon radical, aliphatic or cyclic, saturated or unsaturated, preferably comprising from 2 to 24 carbon atoms, and being optionally interrupted by one or more heteroatoms (such as for example N, O , S, and in particular O) or an ester function.
- the hydroxylated ester of formula (V) can in particular be obtained according to one of the procedures described in patent application EP 1939231 of MITSUI CHEMICALS POLYURETHANES by polymerization addition of ethylene oxide, propylene oxide or butylene oxide on acrylic acid in the presence of a phosphazenium type catalyst.
- hydroxylated esters of acrylic acid of formula (V) there may be mentioned for example 2-hydroxyethyl acrylate (HEA), 2-hydroxypropyl acrylate (HPA), 4-hydroxybutyl acrylate (4-HBA), 2-hydroxybutyl acrylate (HBA) (for example available from SARTOMER, COGNIS or BASF), polycaprolactone acrylate SR 495B (CAPA) available from SARTOMER or hydroxyethylcaprolactone acrylate (HECLA) available from BASF.
- HPA 2-hydroxyethyl acrylate
- HPA 2-hydroxypropyl acrylate
- 2-hydroxybutyl acrylate for example available from SARTOMER, COGNIS or BASF
- CAA polycaprolactone acrylate SR 495B
- HECLA hydroxyethylcaprolactone acrylate
- R '° represents a linear or branched divalent alkylene radical, aliphatic or cyclic, saturated or unsaturated, comprising from 2 to 24 carbon atoms, preferably from 2 to 18, preferably from 2 to 14, even more preferably from 2 to 10, and advantageously from 2 to 6 carbon atoms.
- the polyols used for the preparation of a polyurethane (B), in accordance with the 3 variant embodiments 1.2.1, 1.2.2. and 1.2.3. from point 1.2., can be chosen from those whose number average molecular mass (Mn) ranges from 62 to 40,000 g / mol, preferably from 200 to 30,000 g / mol, and even more preferably from 400 to 22,000 g / mol.
- Mn number average molecular mass
- hydroxyl functionality ranges from 2 to 6, preferably from 2 to 3.
- the hydroxyl functionality is the average number of hydroxyl functions per mole of polyol.
- the polyols which can be used according to the invention have a hydroxyl number (IOH) (average) ranging from 2 to 1848 milligrams of KOH per gram of polyol (mg KOH / g), preferably from 3 to 842 mg KOH / g, more preferably from 5 to 337 mg KOH / g.
- IOH hydroxyl number
- the hydroxyl number of the polyols having a hydroxyl functionality of 3 ranges from 4 to 1828 mg KOH / g, preferably 5 to 842 mg KOH / g, more preferably from 7 to 421 mg KOH / g .
- the hydroxyl number of the polyols having a hydroxyl functionality of 2 ranges from 2 to 1810 mg KOH / g, preferably from 3 to 561 mg KOH / g, more preferably from 5 to 281 mg KOH / g.
- the polyols which can be used can be chosen from aromatic polyols, aliphatic polyols, arylaliphatic polyols and mixtures of these compounds.
- the polyols which can be used can be chosen from polyether polyols, polyester polyols, polyene polyols, poly (meth) acrylates and their mixtures.
- the polyester polyols can have a number-average molecular mass ranging from 200 g / mol to 10,000 g / mol, preferably from 1,000 g / mol to 6,000 g / mol, and are, as regards their other characteristics, as defined previously in point 1.1.1.
- the polyether polyol (s) can have a number-average molecular mass ranging from 200 to 30,000 g / mol, and preferably from 400 to 22,000 g / mol.
- the other characteristics of said polyether polylols are as defined above in point 1.1.2.
- polyoxyalkylene diols or triols which can be used, mention may be made of:
- polyoxypropylene diols or triols also known as polypropylene glycol (PPG) diols or triols having a number average molecular weight (Mn) ranging from 400 to 22,000 g / mol.
- PPG polypropylene glycol
- - polyoxyethylene diols or triols also known as polyethylene glycol (PEG) diols or triols having a number average molecular weight (Mn) ranging from 400 to 22,000 g / mol
- PEG polyethylene glycol
- polyether diol By way of example of a commercially available polyether diol, mention may be made of the polyoxypropylene diol sold under the name "VORANOL® P 400" by the company DOW with a number average molecular mass (Mn) close to 400 g / mol and the hydroxyl number ranges from 250 to 270 mg KOH / g. Mention may also be made of the polyoxypropylene diols sold under the name "ACCLAIM® 2220, 4200, 8200, 12200 and 18200" by the company COVESTRO, of number average molecular mass (Mn) ranging from 2,000 to 22,000 g / mol and of which the hydroxyl number ranges from 5 to 58 mg KOH / g.
- VORANOL® P 400 by the company DOW with a number average molecular mass (Mn) close to 400 g / mol and the hydroxyl number ranges from 250 to 270 mg KOH / g. Mention may also be
- polyether triol By way of example of commercially available polyether triol, mention may also be made of polyoxypropylene triol sold under the name "VORANOL® CP 450" by the company DOW, with a number average molecular mass (Mn) of around 450 g / mol and of which the hydroxyl number ranges from 370 to 396 mg KOH / g. Mention may also be made of the polyoxypropylene triol sold under the name "ACCLAIM® 3300" by the company COVESTRO, of number average molecular mass (Mn) close to 2922 g / mol g / mol and whose hydroxyl index ranges from 56.2 59.0 mg KOH / g
- the polyene polyols which can be used for the preparation of a polyurethane (B) may preferably be chosen from polyenes comprising terminal hydroxyl groups, and their corresponding hydrogenated or epoxidized derivatives which may have a number average molecular mass ranging from 500 to 10,000 g / mol, and preferably from 1,000 to 5,000 g / mol. For their other characteristics, reference is made to point 1.1.3.
- the poly (meth) acrylate polyols which can be used for the preparation of a polyurethane (B) can have a number-average molecular mass ranging from 200 to 22,000 g / mol, preferably from 400 to 10,000 g / mol, and even more preferably from 1,000 to 6,000 g / mol. Reference is also made, for their other characteristics, to point 1.1.4.
- the polyisocyanate (s) which can be used are diisocyanate (s), preferably chosen from the group consisting of isophorone diisocyanate (IPDI), hexamethylene diisocyanate (HDI), heptane diisocyanate, octane diisocyanate, nonane diisocyanate, decane diisocyanate, undecane diisocyanate, dodecane diisocyanate, 4,4'-methylenebis (cyclohexylisocyanate) (4,4'-HMDI), norbomane diisocyanate, norbomene diisocyanate, 1,4-cyclohexane diisocyanate (IPDI), hexamethylene diisocyanate (HDI), heptane diisocyanate, octane diisocyanate, nonane diisocyanate, decane diisocyanate, undecane diisocyanate, dode
- R c represents a hydrocarbon chain, saturated or unsaturated, cyclic or acyclic, linear or branched, comprising from 1 to 20 carbon atoms, preferably from 6 to 14 carbon atoms
- R d represents a divalent alkylene group, linear or branched, having from 2 to 4 carbon atoms, and preferably a divalent propylene group.
- the allophanate of formula (Y) mentioned above is such that p, q, R c and R d are chosen such that the HDI allophanate derivative above comprises an NCO isocyanate group content ranging from 12 to 14 % by weight relative to the weight of said derivative.
- polyether amines and polyether polyamines which can be used for the synthesis of said polymer (B)
- polyolefin diamines which can also be used for the synthesis of said polymer (B)
- poly (meth) acrylates diamines which can be used for the synthesis of said polymers (B)
- Said polyurethane (B) can be obtained by reacting a polyurethane comprising at least two terminal functions -NCO with at least one hydroxylated amide of acrylic acid.
- a polyurethane comprising at least two terminal functions -NCO with at least one hydroxylated amide of acrylic acid.
- said polyurethane (B) is prepared by a process comprising the following steps:
- polyol preferably chosen from polyester polyols, polyether polyols, polyene polyols, poly (meth) acrylate polyols and their mixtures;
- NCO / OH molar ratio (r4) is strictly greater than 1, preferably ranges from 1.3 to 2.0, and preferably ranges from 1.5 to 1.7;
- step E2 . 2 . 1 the reaction of the product formed at the end of step E2 . 2 . 1 ) with at least one hydroxylated amide of acrylic acid, in amounts such that the OH / NCO molar ratio (r5) is less than or equal to 1, preferably ranges from 0.90 to 1.00, more preferred from 0.95 to 1.00, and even more preferably is equal to 1.
- the molar ratios (r4) NCO / OH and (r5) OH / NCO are as defined above for variant embodiment 1.2.3., Mutatis mutandis.
- polyester polyols, the polyether polyols, the polyene polyols, the poly (meth) acrylate polyols and the polyisocyanates, used in step E2 . 2 1 ) are as defined above, respectively, in points 1.2.4. and 1.2.5.
- the hydroxylated amide of acrylic acid used can be, according to a more preferred variant, represented by the following formula (VI):
- R N represents a linear or branched, aliphatic or cyclic, saturated or unsaturated divalent hydrocarbon radical, preferably comprising from 2 to 24 carbon atoms, and being optionally interrupted by one or more heteroatoms (such as for example N, O, S , and in particular O) or an ester function.
- the hydroxylated amide of acrylic acid of formula (VI) can in particular be obtained according to one of the procedures described in patent application US 2593888 by ANILINE & FILM and patent application WO 2000/007002 by IVOCLAR VIVADENT by reaction of acryloyl chloride with an amino alcohol derivative of formula R 4 -NH-R N -OH.
- hydroxylated amides of formula (VI) there may be mentioned, for example, N- (2-hydroxyethyl) -N-methyl acrylamide (CAS Number: 17225-73-9) and N- (2-hydroxypropyl) -N- methyl acrylamide (CAS Number: 1248069-14-8) available from ALDLAB BUILDING BLOCKS and AURORA BUILDING BLOCKS.
- R N represents a divalent linear or branched, aliphatic or cyclic, saturated or unsaturated alkylene radical, comprising from 2 to 24 carbon atoms, preferably from 2 to 18, preferably from 2 to 14, even more preferably from 2 to 10, and advantageously from 2 to 6 carbon atoms.
- steps E1.2.1. 1 ), E1.2.2. 1 ), E1.2.3. 1 ) and E2.2. 1 ) included in the processes 1.2. and 2.2. for preparing a polyurethane can be used at a temperature preferably below 95 ° C. and / or under preferably anhydrous conditions.
- reaction catalyst (s) that can be used can be any catalyst known to a person skilled in the art for catalyzing the formation of polyurethane by reacting at least one polyisocyanate with at least one polyol.
- An amount of up to 0.3% by weight of catalyst (s) relative to the weight of the reaction medium of the corresponding steps can be used, preferably from 0.02% to 0.2% by weight.
- the transesterification reaction of process 1.1. and from step E1 . 2 . 1 . 2 ) of the process 1.2.1. can be used at a temperature above l0 ° C, preferably above l20 ° C.
- acrylic acid esters mention may, for example, be made of methyl acrylate, G butyl acrylate, G propyl acrylate, G pentyl acrylate.
- the reaction of process 1.1. and from step Ei . 2 . 1 . 2 ) of the process 1.2.1. can be implemented at a temperature preferably below 95 ° C., under preferably anhydrous conditions.
- reaction of steps E1 . 2 . 3 2 ) and E2 . 2 2 ) can be implemented at a temperature preferably below 95 ° C., under preferably anhydrous conditions.
- the hydroxylated esters of acrylic acid can be used either pure or in the form of a mixture of different hydroxylated esters of acrylic acid having an average hydroxyl number of said mixture ranging from 9 to 483 mg KOH / g of said mixed.
- the hydroxylated amides of acrylic acid can be used either pure or in the form of a mixture of different hydroxylated amides of acrylic acid having an average hydroxyl number of said mixture ranging from 9 to 487 mg KOH / g of said mixed.
- the polymer (A) and the precursor polymer (B) have as main chain a polyurethane and comprise 2 terminal groups, respectively F of formula (I) and F 'of formula (F), in which X represents -O-.
- said polyurethane (A) corresponds to one of the formulas (VII) or (VIII):
- said precursor polyurethane (B) corresponds, respectively, to one of the following formulas (VIF) or (UIII '):
- R 5 represents a divalent hydrocarbon radical comprising from 5 to 15 carbon atoms which can be aromatic or aliphatic, linear, branched or cyclic;
- R 6 represents a divalent saturated or unsaturated, linear or branched hydrocarbon radical optionally comprising one or more oxygen atoms;
- R - R '° represents a linear or branched divalent alkylene radical, aliphatic or cyclic, saturated or unsaturated, comprising from 2 to 6 carbon atoms;
- - r is an integer greater than or equal to 0;
- - s is an integer strictly greater than 0.
- R 5 is chosen from one of the following divalent radicals, the formulas below of which show the 2 free valences: a) the divalent radical derived from isophorone diisocyanate (IPDI):
- R 6 is chosen from the following divalent radicals whose formulas below show the 2 free valences in which q represents an integer such that the number-average molecular mass of the radical R 6 ranges from 200 g / mol to 30,000 g / mol, preferably from 400 g / mol to 22,000 g / mol:
- Q 1 represents a divalent hydrocarbon radical derived from an aliphatic, linear, branched, cyclic or polycyclic, saturated or unsaturated, aromatic or alkyl aromatic dicarboxylic acid by replacement of each of the two carboxyl groups -COOH with a free valence, said acid having a IA acid number ranging from 120 to 1247 mg KOH / g; and optionally comprising at least one heteroatom (such as for example N, O, S, and in particular O and S).
- Q 2 represents a divalent hydrocarbon radical derived from an aliphatic, linear, branched, cyclic or polycyclic, saturated or unsaturated, aromatic or alkyl aromatic diol, by replacement of each of the two hydroxyl groups by a free valence, said diol having an index d 'hydroxyl IOH ranging from 120 to 1808 mg KOH / g; and optionally comprising at least one heteroatom (such as for example N, O, S, and in particular O and N);
- s represents the number of vinyl-1,2 repeating units present at less than 5 mol% in the polybutadiene chain, said percentage being expressed on the basis of the total number of moles of constituent units of the chain, and even more preferably less than 2%.
- Q 3 and Q 4 represent, independently of one another, a linear or branched divalent alkyl radical, aryl, mercaptoalkyl, ether, ester, carbonate or acrylate, preferably having from 1 to 22 carbon atoms, preferably from 1 to 12 carbon atoms, more preferably 1 to 8 carbon atoms,
- Q 5 , Q 6 and Q 7 represent, independently of each other, a hydrogen atom or a linear, cyclic, alicyclic, heterocyclic, halogenated or dialkylaminoalkyl alkyl radical preferably having from 1 to 22 carbon atoms, preferably from 1 to 12 carbon atoms, more preferably 1 to 8 carbon atoms.
- Q 8 represents an alkyl radical, saturated or unsaturated, linear or branched, cyclic, alicyclic, preferably having from 1 to 22 carbon atoms, preferably from 1 to 12 carbon atoms, more preferably from 1 to 8 carbon atoms, and optionally comprising at least one heteroatom (such as for example N, O, S, and in particular O and N).
- the polymer (B) of formula (VIF) in which r is zero is obtained from the diol of formula: HO-R 6 -OH
- R 6 is as defined above;
- the polymer (B) of formula (VIF) in which r is not zero is obtained from the diol of formula: HO-R 6 -OH
- R 6 is as defined above;
- the polymer (B) of formula (VIIF) is obtained from the diol of formula:
- R 6 is as defined above;
- the present invention also relates to the preparation of a compound (A) with a molar mass of between 170 and 1000 g / mole and corresponding to formula (VI):
- - M is a hydrocarbon radical, linear, branched or cyclic, saturated or unsaturated comprising from 1 to 6 free valences and optionally having one or more heteroatoms (such as for example N, O, S, and in particular O) or an ester function or a urethane function or a urea function;
- - X represents -O- or the group -NR 4 -;
- R 1 , R 2 , R 3 , R 4 and p are as defined above;
- - f is an integer ranging from 1 to 6.
- the compound of formula (VF) can be prepared from a monol or from a polyol of molecular weight or number molecular weight respectively (Mn) ranging from 32 to 828 g / mol and of formula:
- - monofunctional acrylates available from SARTOMER such as tertiobutyl cyclohexyl acrylate (SR217; 210 g / mol), 2 (2-ethoxyethoxy) ethyl acrylate (SR256; 188 g / mol), tetrahydrofurfuryl acrylate (SR285; 156 g / mol), lauryl acrylate (SR335; 240 g / mol), 2-phenoxyethyl acrylate (SR339C; 192 g / mol), isodecyl acrylate (SR395; 212 g / mol), 3,3,5-trimethyl cyclohexyl acrylate (SR420; 195 g / mol), iso-octyl acrylate (SR440; 184 g / mol), octadecyl acrylate (SR484; 200 g / mol), tridec
- difunctional acrylates available from SARTOMER such as 1,6-hexanediol diacrylate (SR238; 226 g / mol), tetraethylene glycol diacrylate (SR268G; 320 g / mol), triethylene glycol diacrylate (SR272; 258 g / mol ), tripropylene glycol diacrylate (SR306; 300 g / mol), 3-methyl-l, 5-pentanediol diacrylate (SR341; 226 g / mol), polyethylene glycol diacrylate (SR344; 508 g / mol), ethoxylated (3 EO) bisphenol A diacrylate (SR349; 424 g / mol), polyethylene glycol diacrylate (SR610; 726 g / mol), dipropylene glycol diacrylate (SR508; 252 g / mol), ethoxylated (5 EO) hexanedi
- - tetrafunctional acrylates available from SARTOMER such as pentaerythritol tetraacrylate (SR295; 352 g / mol) and ditrimethylolpropane tetraacrylate (SR355; 482 g / mol) and ethoxylated (4 EO) pentaerythritol tetraacrylate (SR494 52; ,
- - pentafunctional acrylates available from SARTOMER such as dipentaerythritol pentaacrylate (SR399; 525 g / mol).
- - Hexafunctional acrylates such as dipentaerythritol hexaacrylate, the synthesis of which is described in patent application CN 103,127,955 from BEIJING UNIVERSITY OF TECHNOLOGY.
- the compound (B) of formula (VF) can be prepared from a monoamine or from a polyamine of molecular weight or molecular weight respectively. in number (Mn) ranging from 31 to 828 g / mol and of formula:
- cross metathesis reaction is carried out, in accordance with the preparation process according to the invention, in the presence of the compound (B) described above and the ⁇ -olefinic silane (C) of formula (II):
- H 2 C CH— R 1 - Si (R 2 ) p (OR 3 ) (3-p)
- This compound (C) can be obtained according to the procedure described in application JP 1,158,482 to SHIN-ETSU CHEMICAL by dehydrochlorination, in the presence of a diazabicycloalkene, of a chloroalkylalkoxysilane of formula:
- This chloroalkylalkoxysilane precursor is conventionally obtained by hydrosilylation of an olefinic l-chloroalkene precursor.
- the divalent radical R 1 is a radical of formula - (CH 2 ) n - in which n is an integer ranging from 1 to 9.
- the ⁇ -olefinic silane (C) is such that R 1 is -CH 2 , and, even more preferably, is allyl trimethoxysilane.
- Allyl trimethoxysilane is also commercially available from the American companies SIGMA-ALDRICH and KINGSTON CHEMISTRY.
- the metathesis catalyst (D) is selected from the Grubbs catalyst 2nd generation (G2) of the formula:
- the IUP AC name for (G2) is benzylidene [1,3-bis (2,4,6-trimethylphenyl) - 2-imidazolidinylidene] dichloro (tricyclohexylphosphine) ruthenium (CAS number 246047-72-3). This catalyst is available from the company SIGMA-ALDRICH.
- the IUP AC name for (HG2) is (1,3-Bis- (2,4,6-trimethylphenyl) -2-imidazolidinylidene) dichloro (o-isopropoxyphenylmethylene) ruthenium (CAS number: 301224-40-8).
- This catalyst is available from the company S IGM A-ALDRICH.
- the metathesis catalyst (D) is the catalyst (HG2). This advantageously gives a conversion rate of the acrylate or acrylamide group (s) F ′ of compound (B) into a particularly high group F alkoxysily of formula (I), ranging from 90 to 100%.
- the duration and the temperature of the cross-metathesis reaction generally depend on its conditions of implementation, in particular on the nature of the solvent used, and in particular on the rate of catalytic charge. Those skilled in the art are able to adapt them according to the circumstances.
- the cross-metathesis reaction is advantageously carried out under a slight stream of nitrogen or argon (to remove the ethylene which forms) for a period ranging from 2 to 24 hours, preferably from 3 to 8 hours, and at a temperature in the range of 20 to 60 ° C, preferably 30 to 40 ° C.
- the catalyst can be added one or more times.
- the progress of the reaction is monitored by 1 H / 13 C NMR and more particularly the disappearance and the transformation of the acrylate function.
- the solvent used in the reaction is generally chosen from the group formed by the aqueous or organic solvents typically used in the polymerization reactions and which are inert under the conditions of the polymerization, such as aromatic hydrocarbons, chlorinated hydrocarbons, ethers, aliphatic hydrocarbons, alcohols, water or mixtures thereof.
- a preferred solvent is chosen from the group formed by benzene, toluene, para-xylene, methylene chloride (or dichloromethane), 1,2-dichloroethane, dichlorobenzene, chlorobenzene, tetrahydrofuran, diethyl ether, pentane, hexane, heptane, a mixture of liquid isoparaffins (for example Isopar®), methanol, ethanol, water or their mixtures.
- the solvent is chosen from the group formed by benzene, toluene, paraxylene, methylene chloride, 1,2-dichloroethane, dichlorobenzene, chlorobenzene, tetrahydrofuran, diethyl ether, pentane, hexane, heptane, methanol, ethanol or their mixtures.
- the solvent is dichloromethane, 1,2-dicholoroethane, toluene, heptane, or a mixture of toluene and 1,2-dichloroethane.
- a subject of the present invention is also the compound (A) comprising at least one group F alkoxysilyl of formula (I):
- - X represents -O- or the group -NR 4 - in which R 4 represents a hydrogen atom or an alkyl radical comprising from 1 to 20 carbon atoms, preferably from 1 to 4 carbon atoms;
- R 1 is a hydrocarbon radical, saturated or unsaturated, linear or branched, comprising from 1 to 20 carbon atoms, preferably from 1 to 9 carbon atoms and even more preferably from 1 to 2 carbon atoms;
- R 2 represents a linear or branched alkyl radical comprising from 1 to 4 carbon atoms, with the possibility that, when there are several radicals R 2 , the latter are identical or different;
- R 3 represents a linear or branched alkyl radical comprising from 1 to 4 carbon atoms, with the possibility that, when there are several radicals R 3 , the latter are identical or different, and with the possibility, moreover, that two OR 3 groups can be engaged in the same cycle;
- - p is an integer equal to 0, 1 or 2, preferably equal to 0 or 1.
- Compound (A) can be prepared using the process which is the subject of the invention and described above. According to a preferred variant, the compound (A) can be obtained by the process as defined above and subject of the present invention.
- the compound (A) is a polymer whose main chain is chosen:
- X is the group -NR 4 -, from a polyether, a polyene, a poly (meth) acrylate or a polyurethane;
- the polymer (A) is such that R 1 is a hydrocarbon radical comprising from 1 to 2 carbon atoms. Said polymer then advantageously exhibits, when included in an adhesive composition, improved reactivity, corresponding to a reduced crosslinking time with humidity.
- the polymer (A) is a polyurethane which comprises at least one group F, preferably 2 terminal groups F corresponding to one of the following formulas:
- the polyurethane (A) corresponds to one of the formulas (VII) or (VIII):
- R 5 represents a divalent hydrocarbon radical comprising from 5 to 15 carbon atoms which can be aromatic or aliphatic, linear, branched or cyclic;
- R 6 represents a divalent saturated or unsaturated, linear or branched hydrocarbon radical optionally comprising one or more oxygen atoms;
- - r is an integer greater than or equal to 0;
- - s is an integer strictly greater than 0.
- Tripropylene glycol diacrylate (1.7 mmol) previously purified on neutral silica is introduced into a 10 ml flask to which was also placed a magnetic stirring bar coated with Teflon ®.
- the allyl trimethoxysilane (4.0 mmol) is then added with stirring to the flask by syringe under an argon atmosphere.
- the ratio r 6 of the reactants, as defined above, is equal to 4.0 mmol divided by (2 x 1.7 mmol), or 1.17.
- HOVEYDA-GRUBBS catalyst (0.57 miho ⁇ or 0.57.10 3 mmol) in dry CH2CI2 (3 ml) is then added in 3 times at 40 minute intervals.
- the ratio r 7 is equal to (2x1.7 mmol) divided by (0.57.10 3 mmol) or 5965.
- the flask and its contents are placed under argon and then immersed in an oil bath at 40 ° C for 2 hours to remove the ethylene which is generated by the cross metathesis reaction from the reaction medium.
- the flask and its contents are then brought to 80 ° C. under reduced pressure for 1 hour in order to remove the excess unreacted allyl trimethoxysilane.
- the product present in the flask is extracted after evaporation of the solvent under vacuum.
- the product is then recovered in the form of a colorless liquid without any purification, with a yield of 99% in isolated product (corresponding to the mixture of disilylated and monosilylated compounds) and a conversion rate of the acrylate functions of 92%.
- Example 1 is repeated, replacing the HG2 catalyst with the G2 catalyst.
- Example 3 Cross metathesis of a polyurethane diacrylate (polymer (B)) in the presence of allyl trimethoxysilane (compound (C)) and of the catalyst HG2 (compound (D)):
- Step 1 Synthesis of the polyurethane diacrylate:
- a polyurethane diacrylate is synthesized in 2 steps according to the following procedure:
- the mixture is heated to 80 ° C. until total consumption of the -OH functions corresponding to obtaining a finished polyurethane -NCO having a% NCO of 3.2% by weight.
- Step 2 Cross metathesis of polyurethane diacrylate:
- the polyurethane diacrylate from step 1 is used, and as compound (C) allyl trimethoxysilane of the following formula: Polyurethane diacrylate (10.0 mmol) and CH 2 Cl 2 dry (17 ml) were introduced into a 50 ml flask wherein also been placed a magnetic stirring bar coated with Teflon ®.
- the allyl trimethoxysilane (21.0 mmol) is then added, with stirring, to the flask by syringe under an argon atmosphere.
- the ratio r 6 of the reactants, as defined above, is equal to 21.0 mmol divided by (2 x 10.0 mmol), ie 1.05.
- HOVEYDA-GRUBBS catalyst HG2 (0.05 mmol) in dry CH2Cl2 (3 ml) is then added in 3 batches at 40 minute intervals.
- the ratio r 7 is equal to 20.0 mmol divided by 0.05 mmol, or 400.
- the flask and its contents are placed under argon and then immersed in an oil bath at 40 ° C for 2 hours to remove from the reaction medium the ethylene generated by cross metathesis.
- the flask and its contents are then brought to 80 ° C. under reduced pressure for 1 hour in order to remove the excess unreacted allyl trimethoxysilane.
- the product present in the flask is extracted after evaporation of the solvent under vacuum.
- the product is then recovered in the form of a colorless liquid without any purification, with a yield of 99% in isolated product and a conversion rate of the acrylate functions of 96%.
- Example 4 Cross metathesis of a polypropylene glycol diacrylate (polymer (B)) in the presence of allyl trimethoxysilane (compound (C)) and of the catalyst HG2 (compound (D)):
- Step 1 Synthesis of polypropylene glycol diacrylate:
- a polyurethane diacrylate is synthesized in one step according to the following procedure:
- Step 2 Cross metathesis of polypropylene glycol diacrylate: Step 2 of Example 3 is repeated, replacing the polyurethane diacrylate with the polypropylene glycol diacrylate obtained in step 1.
- a product is obtained recovered in the form of a colorless liquid without any purification, with a yield of 99% in isolated product and a conversion rate of the acrylate functions of 98%.
- Example 5 Cross metathesis of a polyisoprene diol diacrylate (polymer (B)) in the presence of allyl trimethoxysilane (compound (C)) and of the catalyst HG2 (compound (D)):
- PIPA polyisoprene diol diacrylate
- allyl trimethoxysilane of the following formula:
- the saturated polyisoprene diol diacrylate (10.0 mmol) of number molecular mass (Mn) equal to 2700 g / mol and dry CH2Cl2 (17 ml) are introduced into a 50 ml flask in which a bar has also been placed. magnetic stirrer coated with Teflon ® .
- the allyl trimethoxysilane (21.0 mmol) is then added, with stirring, to the flask by syringe under an argon atmosphere.
- the ratio r 6 of the reactants, as defined above, is equal to 21 mmol divided by (2 x 10.0 mmol), ie 1.05.
- HOVEYDA-GRUBBS catalyst HG2 (0.05 mmol) in dry CH2Cl2 (3 ml) is then added in 3 batches at 40 minute intervals.
- the ratio r 7 is equal to 20.0 mmol divided by 0.05 mmol, or 400.
- the flask and its contents are placed under argon and then immersed in an oil bath at 40 ° C for 2 hours to remove from the reaction medium the ethylene generated by cross metathesis.
- the flask and its contents are then brought to 80 ° C. under reduced pressure for 1 hour in order to remove the excess unreacted allyl trimethoxysilane.
- the product present in the flask is extracted after evaporation of the solvent under vacuum.
- the product is then recovered in the form of a colorless liquid without any purification, with a yield of 99% in isolated product and a conversion rate of the acrylate functions of 96%.
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WO2022181545A1 (fr) * | 2021-02-24 | 2022-09-01 | 株式会社カネカ | Procédé de fabrication d'un polymère comprenant un groupe silyle hydrolysable, et polymère, composition durcissable et produit durci |
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US2593888A (en) | 1945-10-16 | 1952-04-22 | Gen Aniline & Film Corp | Production of hydroxyalkyl amides of acrylic acids |
DE2455127C2 (de) | 1974-11-21 | 1986-02-27 | Shell Internationale Research Maatschappij B.V., Den Haag | Verfahren zum Ausschleusen von Rückständen aus einem unter erhöhtem Druck stehenden Vergasungsraum |
JPS53135934A (en) | 1977-04-28 | 1978-11-28 | Shin Etsu Chem Co Ltd | Preparation of alkenylsilane |
US4658062A (en) | 1985-06-24 | 1987-04-14 | Atlantic Richfield Company | Amine terminated polybutadiene compositions and preparation thereof |
CA2019824A1 (fr) | 1989-06-28 | 1990-12-28 | Seiji Arimatsu | Derives de l'acrylamide polyetheres et composition de resine durcissable par des rayonnements d'energie active |
JP3128192B2 (ja) | 1995-12-06 | 2001-01-29 | 信越化学工業株式会社 | アリルトリアルコキシシラン化合物の製造方法 |
US6464850B1 (en) | 1998-07-31 | 2002-10-15 | Biowhittaker Molecular Applications, Inc. | Method for producing hydrophilic monomers and uses thereof |
US6175037B1 (en) | 1998-10-09 | 2001-01-16 | Ucb, S.A. | Process for the preparation of (meth)acrylate esters and polyester (meth)acrylates using microwave energy as a heating source |
US6943213B2 (en) | 2003-08-13 | 2005-09-13 | Acushnet Company | Polyalkylacrylate compounds for use in golf balls |
DE10101387A1 (de) | 2001-01-13 | 2002-07-18 | Merck Patent Gmbh | Polyester mit Methacrylatendgruppen |
ES2437965T3 (es) | 2001-11-21 | 2014-01-15 | Cray Valley Usa, Llc | Polibutadienos con terminación de grupos amino |
US6878839B2 (en) | 2002-10-11 | 2005-04-12 | Dow Corning Corporation | Method for preparing organofunctional silanes |
US6831136B2 (en) | 2003-01-14 | 2004-12-14 | Sartomer Technology Company, Inc. | Amino-terminated polybutadienes |
US20090111952A1 (en) | 2005-09-02 | 2009-04-30 | Mitsui Chemicals Polyurethanes, Inc. | (Meth)acrylate-grafted polyether polyol, and production process and use thereof |
CA2641740C (fr) | 2006-02-09 | 2014-10-07 | Sartomer Technology Company, Inc. | Compositions de polybutadiene, procedes et articles |
FR2925517B1 (fr) | 2007-12-21 | 2010-01-08 | Bostik Sa | Adhesifs sensibles a la pression a pouvoir adhesif stable en temperature. |
FR2981657B1 (fr) | 2011-10-21 | 2013-12-27 | Bostik Sa | Composition adhesive de polyurethanne pour la fabrication d'agglomeres |
CN103127955B (zh) | 2013-03-11 | 2015-04-22 | 北京理工大学 | 一种合成双季戊四醇六丙烯酸酯的催化剂、制备方法及应用 |
JP6638930B2 (ja) * | 2015-05-08 | 2020-02-05 | 国立大学法人福井大学 | アルケニルエーテル−ビニルエステル共重合体 |
FR3053341B1 (fr) * | 2016-06-29 | 2018-08-17 | Bostik Sa | Nouveaux polymeres hydrocarbones a deux groupements terminaux alcoxysilanes |
-
2018
- 2018-07-27 FR FR1857003A patent/FR3084367B1/fr not_active Expired - Fee Related
-
2019
- 2019-07-19 EP EP19753179.1A patent/EP3830202A1/fr not_active Withdrawn
- 2019-07-19 US US17/263,475 patent/US20210163671A1/en not_active Abandoned
- 2019-07-19 WO PCT/FR2019/051814 patent/WO2020021187A1/fr unknown
Also Published As
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US20210163671A1 (en) | 2021-06-03 |
WO2020021187A1 (fr) | 2020-01-30 |
FR3084367A1 (fr) | 2020-01-31 |
FR3084367B1 (fr) | 2020-09-18 |
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