EP4251628A1 - Produit de deshydratation interne du sorbitol de haute purete - Google Patents
Produit de deshydratation interne du sorbitol de haute pureteInfo
- Publication number
- EP4251628A1 EP4251628A1 EP21814683.5A EP21814683A EP4251628A1 EP 4251628 A1 EP4251628 A1 EP 4251628A1 EP 21814683 A EP21814683 A EP 21814683A EP 4251628 A1 EP4251628 A1 EP 4251628A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- ppm
- product
- dry weight
- solution
- sorbitol
- 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.)
- Pending
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D493/00—Heterocyclic compounds containing oxygen atoms as the only ring hetero atoms in the condensed system
- C07D493/02—Heterocyclic compounds containing oxygen atoms as the only ring hetero atoms in the condensed system in which the condensed system contains two hetero rings
- C07D493/04—Ortho-condensed systems
-
- 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
- C08G63/00—Macromolecular compounds obtained by reactions forming a carboxylic ester link in the main chain of the macromolecule
- C08G63/66—Polyesters containing oxygen in the form of ether groups
- C08G63/668—Polyesters containing oxygen in the form of ether groups derived from polycarboxylic acids and polyhydroxy compounds
- C08G63/672—Dicarboxylic acids and dihydroxy compounds
-
- 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
- C08G64/00—Macromolecular compounds obtained by reactions forming a carbonic ester link in the main chain of the macromolecule
- C08G64/02—Aliphatic polycarbonates
- C08G64/0208—Aliphatic polycarbonates saturated
-
- 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
- C08G65/00—Macromolecular compounds obtained by reactions forming an ether link in the main chain of the macromolecule
- C08G65/34—Macromolecular compounds obtained by reactions forming an ether link in the main chain of the macromolecule from hydroxy compounds or their metallic derivatives
- C08G65/38—Macromolecular compounds obtained by reactions forming an ether link in the main chain of the macromolecule from hydroxy compounds or their metallic derivatives derived from phenols
- C08G65/40—Macromolecular compounds obtained by reactions forming an ether link in the main chain of the macromolecule from hydroxy compounds or their metallic derivatives derived from phenols from phenols (I) and other compounds (II), e.g. OH-Ar-OH + X-Ar-X, where X is halogen atom, i.e. leaving group
- C08G65/4012—Other compound (II) containing a ketone group, e.g. X-Ar-C(=O)-Ar-X for polyetherketones
- C08G65/4056—(I) or (II) containing sulfur
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- 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
- C08G75/00—Macromolecular compounds obtained by reactions forming a linkage containing sulfur with or without nitrogen, oxygen, or carbon in the main chain of the macromolecule
- C08G75/20—Polysulfones
- C08G75/23—Polyethersulfones
Definitions
- the present invention relates to a product of internal dehydration of high purity sorbitol, a process for the manufacture of such a product and a polymer comprising said product as monomer. More particularly, the present invention relates to a high purity isosorbide, a process for the manufacture of such an isosorbide and a polymer comprising isosorbide as a monomer.
- Isosorbide 1,4:3,6-dianhydrosorbitol, an internal dehydration product of sorbitol, is of major interest as a recoverable natural resource in the manufacture of polymers.
- Isosorbide is indeed a derivative of sorbitol which can be obtained from various natural resources, including, corn starch and cassava (tapioca).
- the purity requirements depend on the intended application. In food and therapeutic applications, for example, it is essential that the compounds containing them contain no impurities which could be harmful to the individual or to the organization which uses them.
- a requirement in terms of monomer purity is that no material or impurities should be present in the monomer which could result in a unacceptable degree of coloration of the polymer during its synthesis and/or its transformation.
- the isosorbide can develop a coloration resulting from the presence of impurities in it. Thus, the coloring of the final product is no longer controlled. Such coloring is therefore not desired.
- the document WO 2008143269 describes a process for obtaining a polycarbonate based on isosorbide and a carbonic acid diester in which the synthesis of said polymer is followed by a distillation step so as to eliminate the phenol formed. .
- the polycarbonate thus obtained has a residual level of Na, Fe and Ca of less than 2 ppm.
- the document KR101736182 describes a method for purifying such an alcohol comprising passage over a cation exchange resin, the pH of the solution comprising said alcohol to be purified being adjusted to at least 5, for example between 5 and 8, at ambient temperature.
- the document KR101736180 describes a method for purifying an anhydrous sugar alcohol in which the level of formic acid is less than 1 ppm. This method involves passage over a strong basic anion exchange resin.
- the document EP1882712 relates to a polyester obtained from a diol and a carboxylic acid in which both the level of impurities and the number of terminal acid groups are reduced so as to reduce the hydrolysis and therefore to improve the stability of the polyester over time.
- the rate of sulfur atoms in the monomers is between 0.01 ppm and 100 ppm
- the rate of nitrogen atoms in the monomers is between 0.01 ppm and 2000 ppm
- the number of terminal acid groups in the polyester is less than 50 equivalents/metric ton.
- Document FR2810040 relates to a method for purifying a composition in which the composition to be purified is successively subjected to ion exchange and discoloration.
- the invention relates to an internal dehydration product of sorbitol characterized in that it has a total residual rate of nitrogen atoms of between 0.01 ppm and 150 ppm, preferably between 0.02 ppm and 20 ppm, more preferably between 0.05 ppm and 10 ppm, and more preferably between 0.07 ppm and 5 ppm, this residual rate being expressed in dry weight relative to the total dry weight of said product and in that it has a total residual sulfur atom content of between 0.0001 ppm and 100 ppm, preferably between 0.0002 ppm and 50 ppm, more preferably between 0.0004 ppm and 30 ppm and, more preferably, between 0.0008 ppm and 20 ppm, this total residual rate being expressed in dry weight relative to the dry weight of said product.
- the invention relates to a method for purifying a product of internal dehydration of sorbitol according to the first object, said method comprising a succession of steps a) a step of supplying said product of internal dehydration of sorbitol, b) a step of distilling said dehydration product so as to form a distillation product A, c) a step of redissolving said distillation product A in water with addition of a basic compound so as to form a solution B, d) at least one step of decolorizing solution B from the step of redissolving with addition of a basic compound, e) at least one step of ion exchange of the solution from the decolorization step and, f) a step for recovering the resulting purified product C, said basic compound being added in an amount of between 1 and 6 g, preferably between 2 and 5 g per Kg of sorbitol internal dehydration product supplied in step a).
- the invention relates to a polymer chosen from a polyester, a polycarbonate, a polyarylether, a polyurethane or a polyepoxide, said polymer is characterized in that it comprises a pattern corresponding to the product of internal dehydration sorbitol according to the first object or obtained from a process according to the second object.
- the internal dehydration products of sorbitol according to the invention have an excellent level of purity, particularly products having both a very low level of sulfur and nitrogen atoms.
- the process according to the invention therefore makes it possible to obtain such internal dehydration products of sorbitol having excellent purity while using conventional purification techniques.
- the polymers obtained based on internal dehydration products of sorbitol according to the invention have remarkable optical properties in terms of coloring and clarity, without affecting the other characteristics. essential in the field of plastic objects, such as viscosity and thermal resistance
- a first object of the invention relates to an internal dehydration product of sorbitol having a total residual level of nitrogen atoms of between 0.01 ppm and 150 ppm, preferably between 0.02 ppm and 20 ppm, more preferably between 0.05 ppm and 10 ppm, and, more preferably, between 0.07 ppm and 5 ppm, this residual rate being expressed in dry weight relative to the total dry weight of said product and having a total residual sulfur atom rate of between 0.0001 ppm and 100 ppm, preferably between 0.0002 ppm and 50 ppm, more preferably between 0.0004 ppm and 30 ppm and, more preferably, between 0.0008 ppm and 20 ppm, this total residual rate being expressed in dry weight relative to the dry weight of said product.
- inter dehydration product of sorbitol means any product or composition resulting, in any way whatsoever, in one or more stages, from the removal of one or more water molecules at the level of the original internal structure of sorbitol.
- the internal dehydration product of sorbitol has a total residual level of sodium and potassium atoms of between 0.002 ppm and 100 ppm, preferably between 0.004 ppm and 50 ppm, more preferably comprised between 0.006 ppm and 20 ppm, and, more preferentially, comprised between 0.008 ppm and 10 ppm, this total residual rate being expressed in dry weight relative to the total dry weight of said product.
- the internal dehydration product of sorbitol has a total residual level of calcium and magnesium atoms of between 0.005 ppm and 100 ppm, preferably between 0.010 ppm and 50 ppm, of more preferably comprised between 0.015 ppm and 20 ppm, and, more preferably, comprised between 0.020 ppm and 10 ppm, this total residual rate being expressed in dry weight relative to the total dry weight of said product.
- the internal dehydration product of sorbitol has a total residual level of iron atoms of between 0.005 ppm and 100 ppm, preferably between 0.010 ppm and 50, more preferably between 0.015 ppm and 20 ppm, and more preferably between 0.020 ppm and 10 ppm, this total residual level being expressed in dry weight relative to the total dry weight of said product.
- the internal dehydration product of sorbitol has a total residual level of chlorine atoms of between 0.005 ppm and 100 ppm, preferably between 0.010 ppm and 50, more preferably between 0.015 ppm and 20 ppm, and more preferably between 0.020 ppm and 10 ppm, this total residual level being expressed in dry weight relative to the total dry weight of said product.
- the internal dehydration products of sorbitol according to the invention correspond to products or compositions as defined above, the dehydration possibly being total or partial.
- these internal dehydration products of sorbitol can be used advantageously in many industries and in particular as a synthesis intermediate, comonomer (including chain extender), solvent agent, plasticizer, lubricating agent , bulking agent, sweetener and/or active principle, in the preparation of products or mixtures, polymeric or not, biodegradable or not, intended for the chemical, pharmaceutical, cosmetic or food industries.
- a second object of the invention relates to a method for purifying an internal dehydration product of sorbitol according to the first object, said method comprising a succession of steps a) a step of supplying said internal dehydration product of sorbitol, b) a step of distilling said dehydration product so as to form a distillation product A, c) a step of redissolving said distillation product in water A with addition of a basic compound so as to form a solution B, d) at least one step of decolorizing the solution B resulting from the step of redissolving with addition of a basic compound, e) at least one step of ion exchange of the solution resulting from the decolorization step and, f) a step of recovering the resulting purified product C, said basic compound being added in an amount of between 1 and 6 g, preferably between 2 and 5 g per kg of sorbitol internal dehydration product provided in step a).
- the distillation step is done in a continuous evaporator.
- a continuous evaporator for example of the falling film type or better, of the scraped film or short path type, makes it possible to limit the temperatures and residence times to which the reaction crudes are thus subjected.
- the intermediate pH of the distillation product A can be measured.
- the distillation product A is redissolved in water so as to obtain an aqueous solution comprising between 50 and 90% dry matter, preferably between 60 and 80% dry matter.
- a basic compound is added with stirring at 150 rotations per minute (RPM) and at ambient temperature (20° C.).
- RPM rotations per minute
- the medium thus obtained can be kept under stirring for a period of between 30 minutes and two hours, preferably between 45 minutes and 75 minutes.
- the medium thus obtained can be subjected to a filtration step.
- the filtrate can then be diluted in water so as to obtain an aqueous solution comprising between 30 and 70% dry matter, preferably between 40 and 60% dry matter.
- the pH of solution B can be measured. According to one embodiment, the pH of solution B is between 4 and 10, preferably between 7 and 9.
- the basic compound is chosen from alkaline-earth hydroxides such as magnesium hydroxide, calcium hydroxide, strontium hydroxide or barium hydroxide, preferably calcium hydroxide.
- the treatment by the decolorization step comprises at least one passage through a column of granular activated carbon.
- At least one ion exchange step is chosen from a passage over a cationic resin or a passage over an anionic resin or a mixture of two, preferably the cationic resin is a strong cationic resin and the anion resin is a strong anion resin.
- the process comprises at least two ion exchange steps, these will follow one another so that the solution is recovered and successively passed over a column of cationic resin then a column of anionic resin.
- the process comprises at least two ion exchange steps, these will follow one another so that the solution is recovered and successively passed over a column of strong cationic resin then a column of strong anionic resin.
- the internal dehydration product of sorbitol used according to the purification process above corresponds to a single product or to a composition comprising a mixture of entities resulting from the internal dehydration reaction of sorbitol.
- the method is free of an additional decolorization step after the ion exchange step and before the step for recovering the resulting product.
- the method is free of an additional step of recrystallization of the various intermediate products of said method.
- the method for purifying a sorbitol internal dehydration product according to the first object consisting of a succession of steps: a) a step for supplying said sorbitol internal dehydration product , b) a step of distilling said dehydration product so as to form a distillation product A, c) a step of redissolving said distillation product A in water with the addition of a basic compound so as to form a solution B, d) at least one step of decolorizing solution B from the step of redissolving with addition of a basic compound, e) at least one step of ion exchange of the solution from step decolorization and, f) a step of recovering the resulting purified product C, said basic compound being added in an amount of between 1 and 6 g, preferably between 2 and 5 g per Kg of sorbito
- a third object of the invention relates to a polymer chosen from a polyester, a polycarbonate, a polyarylether, a polyurethane or a polyepoxide, said polymer is characterized in that it comprises a unit corresponding to the internal dehydration product of sorbitol according to the first object or obtained from a process according to the second object.
- reaction crude is then cooled to 100° C. then neutralized with 13.7 g of a 50% sodium hydroxide solution.
- the isosorbide composition obtained is then distilled under vacuum using a scraped film evaporator in short path configuration.
- the pH of the distilled isosorbide (in solution at 40% dry matter) is then 3.5.
- the distillate is recovered and then put back into solution in water in order to obtain a solution with 70% dry matter.
- 2.5 g of calcium hydroxide are added under vigorous stirring and at temperature. The medium is left stirring for 1 hour.
- the medium is then cloudy and opaque.
- the medium is then filtered through a Becko filter (0.45 ⁇ m) to obtain a clear solution. Water is then added to obtain a 50% DM solution. The pH of the final solution is 8.5.
- This solution is then percolated over a column packed with granular activated carbon at a rate of 0.5VV:H (volume of solution per volume of fixed bed and per hour).
- the solution is then recovered and passed successively over a column of strong cationic resin then a column of strong anionic resin.
- the solution is then concentrated under vacuum to obtain, after crystallization and grinding of the solid, a white powder.
- the isosorbide composition obtained is then distilled under vacuum using a scraped film evaporator in short path configuration.
- the distilled isosorbide is redissolved in distilled water to form a 50% dry matter solution.
- the pH of this solution is 3.5
- the solution is then recovered and passed successively over a column of strong cationic resin then a column of strong anionic resin.
- the solution is then concentrated under vacuum to obtain, after crystallization and grinding of the solid, a white powder.
- reaction crude is then cooled to 100° C. then neutralized with 13.7 g of a 50% sodium hydroxide solution.
- the isosorbide composition obtained is then distilled under vacuum using a scraped film evaporator in the short path configuration.
- the distillate is recovered and then redissolved in water in order to obtain a solution with 70% dry matter.
- 3 g of magnesium carbonate are added to this solution with vigorous stirring and at ambient temperature.
- the medium is left stirring for 1 hour.
- the solution being slightly cloudy, the medium is filtered through a Becko filter (0.45 ⁇ m) [0070] Water is then added in order to obtain a 50% dry matter solution.
- the pH of the final solution is 9.5.
- the distilled isosorbide is redissolved in distilled water to form a 50% dry matter solution. This solution is then percolated over a column packed with granular activated carbon at a rate of 0.5VV:H followed by treatment with black powder at the level of 2% by mass of black relative to the dry matter. The solution is then filtered to recover the isosorbide solution.
- the solution is then concentrated under vacuum to obtain, after crystallization and grinding of the solid, a white powder.
- reaction crude is then cooled to 100° C. then neutralized with 13.7 g of a 50% sodium hydroxide solution.
- the isosorbide composition obtained is then distilled under vacuum using a scraped film evaporator in the short path configuration.
- the distillate is recovered and then put back into solution in water in order to obtain a solution with 70% dry matter.
- 9 g of a solution of tetraethylammonium hydroxide (aqueous solution at 35% dry matter) are added with stirring and at room temperature. The medium is left stirring for 1 hour. The solution is clear after this treatment.
- the distilled isosorbide is redissolved in distilled water to form a 50% dry matter solution.
- This solution is then percolated over a column packed with granular activated carbon at a rate of 0.5VV:H followed by treatment with black powder at the height of 2% by mass of black relative to the dry matter.
- the solution is then filtered to recover the isosorbide solution.
- the solution is then concentrated under vacuum to obtain, after crystallization and grinding of the solid, a white powder.
- the isosorbides produced are denoted 11, I2 and I3 respectively.
- the amounts of nitrogen, sulfur, sodium and potassium, magnesium, iron, chlorine and calcium are given in Table 1. These elements are determined by atomic emission spectroscopy by induced plasma coupling (Inductively coupled plasma-atomic emission spectroscopy ICP AES).
- Example 5 PEI30T Polyesters Based on Isosorbide 11 According to Example 1
- the reaction mixture is then heated to 250° C. (4° C./min) under 2.5 bars of pressure and with constant stirring (150 rpm).
- the esterification rate is estimated from the amount of distillate collected.
- the pressure is reduced to 0.7 mbar in 90 minutes according to a logarithmic ramp and the temperature brought to 265°C.
- a polymer rod is poured through the bottom valve of the reactor, cooled in a temperature-controlled water tank at 15° C. and cut into the form of granules of approximately 15 mg.
- the resin thus obtained has a reduced solution viscosity of 60.5 mL/g.
- the 1 H NMR analysis of polyester P1 shows that it contains 30.4 mol% of isosorbide relative to the diols.
- the level of diethylene glycol unit is 2.3 mol%.
- the polymer is amorphous and has a Tg of 112.4°C.
- Example 6 Example Polyester PEI30T based on isosorbide I2 according to example 2
- the resin obtained has a reduced solution viscosity of 61.2 mL/g.
- polyester P2 contains 29.9 mol% of isosorbide relative to the diols.
- the level of diethylene glycol unit is 2.5 mol%.
- the polymer is amorphous and has a Tg of 112.1°C.
- the haze measured on injected plates 2 mm thick is 5.1.
- Example 7 Example Polyester PEI30T based on isosorbide I3 according to example 3
- Example 5 The protocol of Example 5 is reproduced with the isosorbide of I3.
- the resin obtained has a reduced solution viscosity of 60.8 mL/g.
- the 1H NMR analysis of the polyester P3 shows that it contains 30.5% mol of isosorbide relative to the diols.
- the level of diethylene glycol unit is 2.3 mol%.
- the polymer is amorphous and has a Tg of 113.0°C.
- Comparative Example 8 Example Polyester PEI30T Based on I4 Isosorbide According to Example 4 [0113] The protocol of Example EXP1 is reproduced with the I4 isosorbide.
- the resin obtained has a reduced solution viscosity of 61.8 mL/g.
- the 1H NMR analysis of the polyester P3 shows that it contains 30.1% mol of isosorbide relative to the diols.
- the level of diethylene glycol unit is 2.3 mol%.
- the polymer is amorphous and has a Tg of 111.3°C.
- Example 9 Example Polycarbonate based on isosorbide 11 according to example 1
- the distillation column is heated to 110° C. to prevent crystallization of the phenol which is released during the reaction.
- the stirring speed is adjusted to 120 rpm (this will be reduced as the viscosity increases).
- the reactor is then heated and a vacuum ramp is applied while increasing the temperature of the reaction medium.
- the temperature and pressure conditions used are as follows:
- the resin thus obtained has a reduced solution viscosity of 52.5 mL/g.
- the 1 H NMR analysis of the P4 polycarbonate shows that it contains 74.2 mol% of isosorbide relative to the diols.
- the polymer is amorphous and has a Tg of 130.4°C.
- Example 10 Example Polycarbonate based on isosorbide I3 according to example 3
- Example 9 The protocol of Example 9 is reproduced, this time with the isosorbide of I3.
- the resin thus obtained has a reduced solution viscosity of 49.4 mL/g.
- the 1 H NMR analysis of the P5 polycarbonate shows that it contains 70.1% mol of isosorbide relative to the diols.
- the polymer is amorphous and has a Tg of 126.0°C.
- the haze measured on 2 mm thick injected plates is 4.1.
- Example Polysulfone based on isosorbide 11 according to Example 1
- the polysulfone P6 thus obtained has a reduced solution viscosity of 36.1 mL/g.
- the polymer is amorphous and has a Tg of 236.5°C.
- the polymer was then put in the form of a film by solvent evaporation method from a 20w% polymer solution in DMSO.
- the viscous polymer solution was applied with a metal blade to a glass substrate.
- the deposit is then slowly evaporated in an oven according to the following protocol: 50° C. for 16 h, 80° C. for 1 h, 130° C. for 1 h, 130° C. for 1 h and 180° C. for 2 h.
- a film with a thickness of about 100 microns is obtained.
- the film is colorless and has a haze of 0.2.
- Example 12 Example Polysulfone based on isosorbide I2 according to example 2
- the polysulfone P7 thus obtained has a reduced solution viscosity of 35.8 mL/g.
- the polymer is amorphous and has a Tg of 236.2°C.
- a 100 micron film made using the same procedure as in example 11 is slightly yellow and has a haze of 1.1. From the results obtained in Examples 11 and 12, the haze values of the isosorbide-based polysulphones according to the invention (11) are the lowest. The polysulphones based on isosorbide according to the invention therefore have a more satisfactory clarity. The results of Examples 11 and 12 are shown in Table 4.
- Example 13 Example isosorbide D1 diester based on isosorbide 11 according to Example 1 C8) followed by 1.4 kg of isosorbide 11 (fatty acid/isosorbide molar ratio: 2.2). Then 30g of methanesulfonic acid and 8.4g of hypophosphorous acid are added.
- the reactor is heated to a set temperature of 160° C. and a vacuum of 100 mbars is applied to the system. Once the medium is at 90°C and the first drops of water have been distilled, a vacuum ramp of 1000 to 30 mbar is carried out over 5 hours. Once the ramp is complete, the reactor temperature set point is brought to 170° C. for a period of 2 hours at 30 mbar.
- the heating is switched off and the medium is brought back to a temperature of 115° C. Then add 15mL of a 50% sodium hydroxide solution to neutralize the catalysts. The reaction medium is left to cool to room temperature.
- the excess fatty acid used is distilled on a wiped-film evaporator.
- the diester is recovered at the bottom of the tank while the excess acid is distilled off.
- the measurement of the coloration according to the APHA scale is carried out on a Lovibond PFX-i Sériés spectrophotometer according to the ASTM D-1209 method (January 2005), with a rectangular tank of 5 cm in APHA color scale by a colorimeter adapted to the product without dissolving in any solvent. The results are presented in Table 5.
- Example 14 Example diester of isosorbide D2 based on isosorbide I2 according to example 2
- Example 15 Example Diglycidylether of isosorbide D3 based on isosorbide 11 according to example 1
- the medium is left to heat and distill until a medium temperature of 90°C is obtained. When this temperature is reached, the heating is switched off and the medium is left to cool to ambient temperature. The medium is then decanted and the salts formed during the reaction are filtered using a glass frit of porosity 3. The salt cake is then washed using 150 g of epichlorohydrin. The filtrate is recovered. The residual epichlorohydrin is removed by vacuum distillation using a rotary evaporator.
- Example 16 Example Diglycidylether of isosorbide D4 based on isosorbide I2 according to example 2
- Example 17 Example of coating with diglycidylether of isosorbide D3 based on isosorbide I3 according to example 3
- the final coating with a thickness of 151 microns has a Persoz hardness of 297s, a pencil hardness of 16N, a gloss at 20° of 96.7. During the adhesion test with the cross cutter, no element came off the substrate.
- Example 18 Example of coating with diglycidylether of isosorbide D4 based on isosorbide I4 according to example 4
- the final coating with a thickness of 145 microns has a Persoz hardness of 295s, a pencil hardness of 16N, a gloss at 20° of 91.1. During the adhesion test with the cross cutter, no element came off the substrate.
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- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Heterocyclic Carbon Compounds Containing A Hetero Ring Having Oxygen Or Sulfur (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
- Polyesters Or Polycarbonates (AREA)
- Epoxy Resins (AREA)
Abstract
Description
Claims
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR2012215A FR3116533B1 (fr) | 2020-11-26 | 2020-11-26 | Produit de déshydratation interne du sorbitol de haute pureté |
| PCT/EP2021/025454 WO2022111849A1 (fr) | 2020-11-26 | 2021-11-19 | Produit de deshydratation interne du sorbitol de haute purete |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| EP4251628A1 true EP4251628A1 (fr) | 2023-10-04 |
Family
ID=74125532
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP21814683.5A Pending EP4251628A1 (fr) | 2020-11-26 | 2021-11-19 | Produit de deshydratation interne du sorbitol de haute purete |
Country Status (9)
| Country | Link |
|---|---|
| US (1) | US20240092796A1 (fr) |
| EP (1) | EP4251628A1 (fr) |
| JP (1) | JP2023550909A (fr) |
| KR (1) | KR20230112666A (fr) |
| CN (2) | CN116601154A (fr) |
| AU (1) | AU2021386448A1 (fr) |
| CA (1) | CA3198310A1 (fr) |
| FR (1) | FR3116533B1 (fr) |
| WO (1) | WO2022111849A1 (fr) |
Family Cites Families (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6670033B1 (en) * | 1999-01-11 | 2003-12-30 | E. I. Du Pont De Nemours And Company | Process and products of purification of anhydrosugar alcohols |
| CA2629496A1 (fr) * | 1999-01-11 | 2000-07-20 | E.I. Du Pont De Nemours And Company | Procede et produits de purification d'alcools de sucre anhydres |
| FR2810040B1 (fr) * | 2000-06-09 | 2004-04-09 | Roquette Freres | Procede de purification d'une composition contenant au moins un produit de deshydratation interne d'un sucre hydrogene |
| ES2630182T3 (es) * | 2000-06-09 | 2017-08-18 | Roquette Freres | Composición que contiene al menos un producto de deshidratación interna de un azúcar hidrogenado |
| EP3919543A3 (fr) | 2005-04-22 | 2022-03-16 | Mitsubishi Chemical Corporation | Polyester dérivé de ressource de biomasse et son procédé de production |
| US8017722B2 (en) | 2007-05-17 | 2011-09-13 | Teijin Limited | Polycarbonate containing plant-derived component and process for the preparation thereof |
| JP2009161746A (ja) * | 2007-12-12 | 2009-07-23 | Mitsubishi Chemicals Corp | ポリカーボネートの製造方法およびポリカーボネート成形物 |
| JP5635227B2 (ja) * | 2008-02-18 | 2014-12-03 | 帝人株式会社 | 光拡散性ポリカーボネート樹脂組成物 |
| KR101392883B1 (ko) * | 2012-05-11 | 2014-05-12 | 주식회사 삼양제넥스 | 이온함량이 현저히 저감되고 색 특성이 향상된 무수당 알코올의 제조 방법 |
| KR101480849B1 (ko) * | 2012-10-15 | 2015-01-13 | 주식회사 삼양제넥스 | 무수당 알코올의 제조방법 |
| JP2016121200A (ja) * | 2013-04-30 | 2016-07-07 | 第一工業製薬株式会社 | 無水糖アルコール組成物 |
| JP2015212238A (ja) * | 2014-05-02 | 2015-11-26 | 第一工業製薬株式会社 | 無水糖アルコール組成物、その製造方法及び樹脂 |
| KR101736182B1 (ko) | 2015-11-30 | 2017-05-17 | 주식회사 삼양사 | 무수당 알코올의 정제 방법 |
| KR101736180B1 (ko) | 2015-11-30 | 2017-05-17 | 주식회사 삼양사 | 저장 안정성을 향상시키는 무수당 알코올의 정제 방법 |
-
2020
- 2020-11-26 FR FR2012215A patent/FR3116533B1/fr active Active
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2021
- 2021-11-19 CN CN202180079630.0A patent/CN116601154A/zh active Pending
- 2021-11-19 US US18/254,320 patent/US20240092796A1/en active Pending
- 2021-11-19 CA CA3198310A patent/CA3198310A1/fr active Pending
- 2021-11-19 CN CN202610575631.9A patent/CN122502383A/zh active Pending
- 2021-11-19 EP EP21814683.5A patent/EP4251628A1/fr active Pending
- 2021-11-19 KR KR1020237020566A patent/KR20230112666A/ko active Pending
- 2021-11-19 AU AU2021386448A patent/AU2021386448A1/en active Pending
- 2021-11-19 JP JP2023528216A patent/JP2023550909A/ja active Pending
- 2021-11-19 WO PCT/EP2021/025454 patent/WO2022111849A1/fr not_active Ceased
Also Published As
| Publication number | Publication date |
|---|---|
| KR20230112666A (ko) | 2023-07-27 |
| WO2022111849A1 (fr) | 2022-06-02 |
| CN116601154A (zh) | 2023-08-15 |
| AU2021386448A1 (en) | 2023-06-22 |
| JP2023550909A (ja) | 2023-12-06 |
| CA3198310A1 (fr) | 2022-06-02 |
| CN122502383A (zh) | 2026-08-04 |
| FR3116533A1 (fr) | 2022-05-27 |
| US20240092796A1 (en) | 2024-03-21 |
| FR3116533B1 (fr) | 2023-08-04 |
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