WO2016117872A1 - 고투명 고내열 폴리카보네이트 에스테르의 신규 제조방법 - Google Patents
고투명 고내열 폴리카보네이트 에스테르의 신규 제조방법 Download PDFInfo
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- 0 *OC(C(CC1)CCC1C(O*)=O)=O Chemical compound *OC(C(CC1)CCC1C(O*)=O)=O 0.000 description 3
- RBSWFNKEWQOEJF-UHFFFAOYSA-N O=C(C(CC1)CCC1C(Oc1ccccc1)=O)Oc1ccccc1 Chemical compound O=C(C(CC1)CCC1C(Oc1ccccc1)=O)Oc1ccccc1 RBSWFNKEWQOEJF-UHFFFAOYSA-N 0.000 description 2
- ZQJNPHCQABYENK-UHFFFAOYSA-N COC(C(CC1)CCC1C(O)=O)=O Chemical compound COC(C(CC1)CCC1C(O)=O)=O ZQJNPHCQABYENK-UHFFFAOYSA-N 0.000 description 1
- ZLYKHZQUOWSSFR-UHFFFAOYSA-N C[IH]C(C1)C1ON(O)O Chemical compound C[IH]C(C1)C1ON(O)O ZLYKHZQUOWSSFR-UHFFFAOYSA-N 0.000 description 1
- KLDXJTOLSGUMSJ-KVTDHHQDSA-N O[C@H](CO[C@@H]12)[C@H]1OC[C@H]2O Chemical compound O[C@H](CO[C@@H]12)[C@H]1OC[C@H]2O KLDXJTOLSGUMSJ-KVTDHHQDSA-N 0.000 description 1
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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
- C08G63/00—Macromolecular compounds obtained by reactions forming a carboxylic ester link in the main chain of the macromolecule
- C08G63/64—Polyesters containing both carboxylic ester groups and carbonate groups
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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
- 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
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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
- 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
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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
- C08G63/00—Macromolecular compounds obtained by reactions forming a carboxylic ester link in the main chain of the macromolecule
- C08G63/78—Preparation processes
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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
- C08G64/00—Macromolecular compounds obtained by reactions forming a carbonic ester link in the main chain of the macromolecule
- C08G64/20—General preparatory processes
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L69/00—Compositions of polycarbonates; Compositions of derivatives of polycarbonates
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L69/00—Compositions of polycarbonates; Compositions of derivatives of polycarbonates
- C08L69/005—Polyester-carbonates
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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
- C08G2261/00—Macromolecular compounds obtained by reactions forming a carbon-to-carbon link in the main chain of the macromolecule
- C08G2261/50—Physical properties
- C08G2261/59—Stability
- C08G2261/592—Stability against heat
Definitions
- the present invention relates to a novel process for preparing polycarbonate esters having high transparency and high heat resistance, and more particularly 1,4: 3,6-dianhydrohexitol, carbonate and 1,4-cyclohexanedicarboxyl
- the present invention relates to a process for preparing a biobased polycarbonate ester having repeating units obtained from the reaction of a rate.
- 1,4: 3,6-dianhydrohexitol (1,4: 3,6-dianhydrohexitol), unlike conventional raw materials based in the petrochemical industry, contains corn, wheat, It is a biobased raw material derived from biological resources such as renewable resources such as potatoes.
- bioplastics containing bio-based raw materials carbon dioxide generated during the post-decomposition treatment is reused for biomass growth, and thus, it is drawing attention as a carbon dioxide reduction raw material to prevent global warming, which is a global issue.
- 1,4: 3,6- dianhydrohexitol is isomannide (isomannide, mp: 81-85 °C) represented by the formula (a), isosorbide (mp: 61- 62 ° C.) and three stereoisomers of isoidide (mp: 64 ° C.) represented by Chemical Formula c.
- the chemical properties differ due to the relative arrangement of the two hydroxyl groups.
- 1,4: 3,6- dianhydrohexitol when used as a monomer raw material of polycarbonate, which is one of the representative engineering plastics, the polycarbonate prepared is, together with the advantages of bioplastics, 1,
- DMCD 1,4-dimethyl-cyclohexanedicarboxylate
- CHDA 1,4-cyclohexanedicarboxylic acid
- DMCD poly (1,4-cyclohexilidene 1,4-cyclohexanedicarboxylate), a homopolyester of DMCD / cyclohexanedimethanol (CHDM) (poly ( 1,4-cyclohexylidene 1,4-cyclohexanedicarboxylate), PCCD), PCCD is excellent in weather resistance, chemical resistance, flowability and low refractive index, DuPont in the United States to improve the transparency of polycarbonate PCCD We have developed an alloyed polycarbonate / PCCD alloy (trade name Xyrex).
- the polycarbonate commercial manufacturing process is divided into solution polymerization and melt polycondensation processes.
- DPC diphenyl carbonate
- the raw material composition used for general purpose polycarbonate melt polycondensation is composed of bisphenol A (hereinafter referred to as BPA) and DPC, which are diols, and phenol is generated as a melt polycondensation by-product by transesterification of BPA and DPC.
- the present inventors have developed a novel method for preparing 1,4-diphenyl-cyclohexanedicarboxylate (hereinafter referred to as DPCD) using DMCD or CHDA as a starting material, from which isosorbide based polycarbonate esters are prepared. .
- DPCD 1,4-diphenyl-cyclohexanedicarboxylate
- Isosorbide-based polycarbonate esters prepared by adding DPCD, an ester bond-forming raw material in the polycarbonate polymer chain according to the method of the present invention, have high transparency and high heat resistance properties and are used according to the DPCD content. It is a novel bioplastic that can control the suitable physical properties and molding processability, has a high heat resistance compared to the bioplastic composition disclosed in US Patent Publication 2011/0003101 and US Patent No. 8,399,598, and has advantages in terms of surface hardness and impact strength.
- an object of the present invention is a rigid polymer repeating unit having a high transparency and heat resistance, and can be used for various uses such as automobile glass replacement, optical lens and film, feeding bottle, food container, and does not contain environmental hormone-induced BPA. It is to provide a novel method for preparing a biobased polycarbonate ester having a high degree of polymerization and excellent mechanical properties.
- R is methyl or hydrogen
- R 1 and R 2 are each independently substituted or unsubstituted aliphatic group having 1 to 18 carbon atoms, or substituted or unsubstituted aromatic group having 1 to 18 carbon atoms,
- x is a real number satisfying 0 ⁇ x ⁇ 1.
- a high purity and high white DPCD is higher than that of a conventionally prepared material. Can be produced in yield, reducing production costs.
- the bio-based polycarbonate ester prepared according to the method of the present invention has high transparency and heat resistance, and thus can be usefully used for various applications such as automobile glass replacement, optical lenses and films, baby bottles, food containers, and the like. .
- Tg glass transition temperature
- FIG. 3 is a 1 H NMR spectrum of the biobased polycarbonate ester prepared in Example 1.
- FIG. 4 is an IR spectrum of the biobased polycarbonate ester prepared in Example 1.
- the bio-based polycarbonate ester according to the present invention (1) to convert the compound represented by the following formula (2) to an intermediate reactant having a functional group easy to leave, and then nucleophilic reaction with phenol to prepare a compound represented by the following formula (3) step; And (2) polycarbonate melt condensation polymerization of the compound represented by the following Chemical Formula 3, the compound represented by the following Chemical Formula 4, and 1,4: 3,6-dianhydrohexitol prepared in Step (1) It can be obtained according to the production method comprising the step of preparing a compound comprising a repeating unit represented by the formula (1).
- R is methyl or hydrogen
- R 1 and R 2 are each independently substituted or unsubstituted aliphatic group having 1 to 18 carbon atoms, or substituted or unsubstituted aromatic group having 1 to 18 carbon atoms,
- x is a real number satisfying 0 ⁇ x ⁇ 1.
- step (1) the compound represented by the formula (2) is converted to an intermediate reactant having a functional group that can be easily separated, and then nucleophilicly reacted with phenol to yield the compound represented by the formula (1), 1,4-diphenyl-cyclohexanedicar Prepare a carboxylate.
- step (1) after converting CHCD in which R is methyl in the formula (2) or CHDA in which R is hydrogen, to an intermediate compound having a functional group that is easily separated, it is subjected to nucleophilic reaction with phenol, and subsequent steps In (2), it is possible to produce DPCD, a form capable of generating phenol byproducts by transesterification with diols.
- Intermediate reactants having a functional group that can be easily separated in step (1) may be a compound represented by the formula (2a).
- R 3 in the formula is F, Cl or Br.
- the compound represented by Formula 2a may be 1,4-cyclohexanedicarbonyl chloride (hereinafter referred to as CHDC).
- R is methyl DMCD, or R is hydrogen CHDA can be converted to CHDC intermediate compound, and then a DPCD can be prepared by chemical reaction with phenol (Scheme) 1).
- primary, secondary, tertiary dicarboxylates or dicarboxylic acids may be used together according to various required physical properties. have. These can be converted to other diphenyl ester compounds other than the compound represented by the formula (3) by nucleophilic reaction with phenol, and can be used for polycarbonate melt condensation polymerization with the compound represented by the formula (3).
- Diphenyl ester compounds other than the compound represented by the formula (3) may be one kind, or may be a mixture of two or more kinds.
- Dicarboxylate or dicarboxylic acid other than the compound represented by Formula 2 may be a single or fused to the center of the molecule so that the biobased polycarbonate ester of the present invention may have high transparency and heat resistance, UV stability and weather resistance fused saturated dicycles or dicarboxylic acids with heterocycles, such as tetrahydro-2,5-dimethyl-furandicarboxylate, 1,2-dimethyl-cyclohexane Dicarboxylate, 1,3-dimethyl-cyclohexanedicarboxylate, decahydro-2,4-dimethyl-naphthalenedicarboxylate, decahydro-2,5-dimethyl-naphthalenedicarboxylate, decahydro -2,6-dimethyl-naphthalenedicarboxylate, decahydro-2,7-dimethyl-naphthalenedicarboxylate, tetrahydro-2,5-furandicarboxylic acid, 1,2-cyclohe
- the intermediate reactant of step (1) may be obtained by reacting the compound represented by Chemical Formula 2 with a chlorinating agent.
- the chlorinating agent may comprise a compound selected from the group consisting of phosgene, triphosphene, thionyl chloride, oxalyl chloride, phosphorus trichloride, phosphorus pentachloride, phosphorus pentabromide and cyanuric fluoride .
- the chlorinating agent may comprise a compound selected from the group consisting of phosgene, thionyl chloride and oxalyl chloride, and more preferably commercially phosgene. .
- the amount of the chlorinating agent may be 1 to 4 times, preferably 1.02 to 3 times, more preferably 1.05 to 2.5 times the total moles of the compound represented by the formula (2).
- reaction temperature may vary depending on the type of the compound represented by Formula 2 and the chlorinating agent, and generally, may be -30 to 150 ° C, preferably 15 to 100 ° C, and more preferably 20 to 80 ° C. .
- the reaction time may be 5 minutes to 48 hours, preferably 10 minutes to 24 hours.
- An organic solvent may be used to dissolve or disperse the compound represented by Formula 2 in the reaction of the compound represented by Formula 2 with the chlorinating agent.
- the organic solvent is, for example, benzene, toluene, xylene, mesitylene, methylene chloride, dichloroethane, chloroform, carbon tetrachloride, monochlorobenzene, o-dichlorobenzene, tetrahydrofuran, dioxane and acetonitrile Etc. can be mentioned.
- the compound of Formula 2 when the compound of Formula 2 is melted at the reaction temperature, it may be reacted without an organic solvent.
- the intermediate reactant can be used as a solvent when the liquid at room temperature, which can be more commercially effective to reduce the cost of using an organic solvent.
- a catalyst may be further added, and the type of catalyst is not particularly limited.
- the catalyst may be an organic or inorganic catalyst, and the organic catalyst may include dimethylformamide, dimethylacetamide, methylpyrrolidone, dimethyl imidazolidinone, tetramethylurea, tetraethylurea and tetrabutylurea.
- Inorganic catalysts include aluminum chloride (AlCl 3 ), iron chloride (FeCl 3 ), bismuth chloride (BiCl 3 ), gallium chloride (GaCl 3 ), antimony pentachloride (SbCl 5 ), boron trifluoride (BF 3 ), Bismuth trifluoromethanesulfonate (Bi (OTf) 3 ), titanium tetrachloride (TiCl 4 ), zirconium tetrachloride (ZrCl 4 ), titanium tetrabromide (TiBr 4 ) and zirconium tetrabromide (ZrBr 4 ) Can be.
- AlCl 3 aluminum chloride
- FeCl 3 iron chloride
- BiCl 3 bismuth chloride
- GaCl 3 gallium chloride
- SbCl 5 antimony pentachloride
- BF 3 boron trifluoride
- the organic catalyst may be selected from the group consisting of dimethylformamide, tetramethylurea and dimethyl imidazolidinan
- the inorganic catalyst may be selected from the group consisting of aluminum chloride and titanium tetrachloride. More preferably commercially, the organic catalyst may be dimethylformamide, and the inorganic catalyst may be aluminum chloride.
- the addition amount of the catalyst is not particularly limited, but may vary depending on the type of the compound represented by Formula 2 and the chlorinating agent. Generally 0.1 to 10 mole%, preferably 0.5 to 5 mole%, more preferably 1 to 3 mole%, relative to the total moles of the compound of formula (2). When the amount of the catalyst added is less than the above range, the reaction rate is lowered, and when a large amount is added, the reaction rate is likely to cause runaway and exothermic reactions rather than the reaction rate.
- the phenol used to convert the intermediate reactant to the compound represented by Formula 3 may be 1 to 3 times, preferably 1.5 to 2.5 times the total mole number of the compound represented by Formula 2, given the amount of phenol used Outside the range, there is a fear that the final yield of the compound represented by the formula (3) is lowered.
- Step (2) is a polycarbonate melt polycondensation reaction of the compound represented by the formula (3), the compound represented by the formula (4), and 1,4: 3,6- dianhydrohexitol prepared in step (1) To prepare a compound containing a repeating unit represented by.
- step (2) 1,4: 3,6- dianhydrohexitol and the compound represented by the formula (4) react to form a carbonate bond (repeating unit 1), and 1,4: 3,6- The dianhydrohexitol and the compound represented by Chemical Formula 3 react to form an ester bond (repeating unit 2), and the prepared repeating unit including these may be represented by Chemical Formula 1.
- the input amount of the 1,4: 3,6- dianhydrohexitol is 1, and the input amount of the compound represented by Formula 3 is x
- the input amount of the compound represented by Formula 4 is determined as 1-x, and the following reaction formula It can be represented as 2.
- the 1,4: 3,6-dianhydrohexitol may be selected from the group consisting of isomannide, isosorbide, and isoidide, and preferably may be isosorbide.
- the 1,4: 3,6- dianhydrohexitol may be in powder, flake, or aqueous solution.
- prolonged exposure to air can easily oxidize and discolor the final polymer to prevent the color and molecular weight from reaching the target levels. Therefore, the exposure time in the air should be minimized, and when stored after exposure in the air, it is preferable to be stored with an oxygen scavenger such as an oxygen absorbent.
- an oxygen scavenger such as an oxygen absorbent.
- the distillation purification of 1,4: 3,6-dianhydrohexitol it is essential to remove impurities of an extremely small amount of acidic liquid component which can be removed by ultra-separation and an alkali metal component that can be removed by residual amount separation.
- the impurities of the acid liquid component and the alkali metal component may be managed at 10 ppm or less, preferably 5 ppm or less, more preferably 3 ppm or less, respectively.
- Examples of the compound represented by Formula 4 may be at least one compound selected from the group consisting of dimethyl carbonate, diethyl carbonate, di-t-butyl carbonate, diphenyl carbonate, ditolyl carbonate, and substituted carbonate. Since the polycarbonate melt polycondensation reaction is under reduced pressure, the compound represented by Chemical Formula 4 may specifically be dimethyl carbonate, diethyl carbonate, di-t-butyl carbonate, diphenyl carbonate, or ditolyl carbonate, and more specifically And diphenyl carbonate.
- step (2) other diol compounds may be further added in addition to 1,4: 3,6- dianhydrohexitol, and the kind thereof is not limited.
- primary, secondary or tertiary diol compounds can be used with 1,4: 3,6-dianhydrohexitol, in this case 1,4: 3,6-dian
- 1,4: 3,6-dianhydrohexitol is 1-y.
- the other diol compound is a petrochemical-based diol compound
- the final polymer-containing bio-based content (ASTM-D6866) derived from 1,4: 3,6- dianhydrohexitol is 1 mol%. It can be used in the above range, wherein y satisfies 0 ⁇ y ⁇ 0.99. That is, the other diol compound may be added in an amount of less than 99 mol% based on 100 mol% of 1,4: 3,6- dianhydrohexitol.
- the other diol compound uses a diol compound having a single or fused saturated homocycle or heterocycle at the center of the molecule.
- the heat resistance is increased in proportion to the ring size, but the optical properties are different depending on the properties of each raw material without depending on the ring size and the position of the hydroxyl group. Larger ring sizes make commercial manufacture and use difficult.
- the other diol compounds are, for example, 1,2-cyclohexanedimethanol, 1,3-cyclohexanedimethanol, 1,4-cyclohexanedimethanol, tricyclodecanedimethanol, 3,9-bis (1,1- Dimethyl-2-hydroxyethyl) -2,4,8,10-tetraoxaspiro [5.5] undecane, 2,2-bis (4-hydroxycyclohexyl) propane and tetrahydro-preparable from biobased feedstocks And one or more diol compounds selected from the group consisting of 2,5-furanddimethanol, preferably 1,4-cyclohexanedimethanol, 2,2-bis (4-hydroxycyclohexyl) propane, or Tetrahydro-2,5-furanddimethanol.
- the cis / trans weight ratio of the compound represented by Chemical Formula 3 may be 1/99 to 99/1%, preferably 10/90 to 90/10%, more preferably 20/80 to 80/20% Can be.
- the cis / trans weight ratio of the cyclohexanedicarboxylate unit in the repeating unit represented by Formula 1 may be 1/99 to 99/1%, preferably 20/80 to 80/20%, more preferably May be 30/70 to 70/30%.
- the cis / trans weight ratio of the cyclohexanedicarboxylate unit in the repeating unit represented by the formula (1) is preferably in the range of 20/80 to 80/20%, more preferably 30/70 to 70/30%. Properly adjusted, transparency and heat resistance can be adjusted.
- the amount of each compound used in the melt condensation polymerization in the step (2) is 1,4: 3,6-dianhydrohexitol of 1, the total of the compound represented by the formula (3) and the compound represented by the formula (4)
- the content may be 0.7 to 1.3, preferably 0.9 to 1.1, more preferably 0.95 to 1.05.
- the temperature increase rate of the melt polycondensation reaction may be 0.1 to 10 ° C / min, preferably 0.2 to 5 ° C / min, more preferably 0.5 to 2 ° C / min.
- the reaction temperature may be 120 to 320 ° C, preferably 150 to 290 ° C, more preferably 180 to 270 ° C.
- the reaction time may be 1 to 10 hours, preferably 1.5 to 8 hours.
- the phenol produced as a by-product of the melt polycondensation reaction must be distilled out of the reaction system to shift the reaction equilibrium in the direction of polycarbonate ester production.
- the temperature increase rate range may be vaporized or sublimed with the raw material.
- Biobased polycarbonate esters can be prepared by batch or continuous processes.
- Bio-based polycarbonate ester production method may further use a polycondensation catalyst to improve the reactivity of the melt polycondensation reaction.
- a polycondensation catalyst include alkali metal and / or alkaline earth metal catalysts commonly used in polycarbonate melt polycondensation, and may be used together with a base ammonium or amine, a base phosphorous, or a base boron compound. , Preferably it can be used independently.
- the alkali metal catalyst may be lithium hydroxide (LiOH), sodium hydroxide (NaOH), potassium hydroxide (KOH), cesium hydroxide (CsOH), lithium carbonate (Li 2 CO 3 ), sodium carbonate ( Na 2 CO 3 ), potassium carbonate (K 2 CO 3 ), cesium carbonate (Cs 2 CO 3 ), lithium acetate (LiOAc), sodium acetate (NaOAc), potassium acetate (KOAc) or cesium acetate (CsOAc), and the like.
- the alkaline earth metal catalyst may be calcium hydroxide (Ca (OH) 2 ), barium hydroxide (Ba (OH) 2 ), magnesium hydroxide (Mg (OH) 2 ), strontium hydroxide ( Sr (OH) 2 ), calcium carbonate (CaCO 3 ), barium carbonate (BaCO 3 ), magnesium carbonate (MgCO 3 ), strontium carbonate (SrCO 3 ), calcium acetate (Ca (OAc) 2 ), barium acetate (Ba ( OAc) 2), magnesium acetate (Mg (OAc) 2), or strontium acetate (Sr (OAc) 2) can be mentioned .
- the alkali metal and / or alkaline earth metal catalysts may be used alone or in combination of two or more.
- the amount of the polycondensation catalyst added per mole of the total diols (1,4: 3,6-dianhydrohexitol and other diol compounds) used in the melt polycondensation reaction, of the metal ions of the polycondensation catalyst may be 0.1 to 30 mol, preferably 0.5 to 25 mol, and more preferably 0.5 to 20 mol.
- the condensation polymerization catalyst may be applied regardless of the melt condensation polymerization step, but is preferably added before the start of the melt condensation polymerization reaction.
- the amount of the polycondensation catalyst added is less than 0.1 ⁇ mol of the metal ions of the polycondensation catalyst per mole of the total diol, the amount of the polycondensation catalyst falls short of the target polymerization degree. Will have a direct impact on
- the method for preparing a bio-based polycarbonate ester according to the present invention can be applied stepwise temperature and pressure reduction in order to accelerate the removal of by-products and to promote the rate of polymerization.
- the melt condensation polymerization reaction of step (2) may include a first reaction section and a second reaction section.
- the first reaction period after the end of the raw material input is 130 to 250 °C, preferably 140 to 240 °C, more preferably in the temperature range of 150 to 230 °C for 0.1 to 10 hours, preferably 0.5 to 3 Can be done for a time.
- the decompression conditions may be 5 to 700 Torr, preferably 10 to 600 Torr.
- the second reaction section may be made for 0.1 to 10 hours, preferably for 0.5 to 3 hours in the temperature range of 210 to 290 ° C, preferably 220 to 280 ° C, more preferably 230 to 270 ° C.
- the decompression conditions may be 20 Torr or less, preferably 10 Torr or less.
- the method for producing a biobased polycarbonate ester according to the present invention may further add various additives as necessary.
- Antioxidants or heat stabilizers such as, for example, hindered phenol, hydroquinone, phosphite and substituted compounds thereof; UV absorbers, such as resorcinol and salicylate; Color protective agents such as phosphite and hydrophosphite; Lubricants such as montanic acid and styryl alcohol; Etc. can be mentioned.
- dyes and pigments may be used as colorants, and carbon black may be used as a conductive agent, colorant, or nucleation agent.
- flame retardants, plasticizers, and antistatic agents may be additionally used. Can be used.
- the additives may be added within a range that inhibits the physical properties of the final polymer polycarbonate ester, in particular transparency.
- the intrinsic viscosity (IV) of the biobased polycarbonate ester including a repeating unit represented by Chemical Formula 1 prepared by the polycarbonate ester manufacturing method may be 0.3 to 2.0 dL / g.
- DPCD was synthesized in the same manner as in Preparation Example 1, except that 1.27 g (0.017 mol) of dimethylformamide was added as an organic catalyst in addition to CHDA and methylene chloride. As a result of the synthesis, the reaction yield was 82%, and the GC analysis showed that the purity of DPCD was 99.9%. The cis / trans weight ratio was changed to 82/18% at the reaction conditions.
- the pressure was reduced to 100 Torr, maintained for 20 minutes, and then heated to 230 ° C for 20 minutes. After reaching 230 degreeC, it decompressed to 10 Torr and heated up at 250 degreeC for 10 minutes. The pressure was reduced to 1 Torr or less at 250 ° C., and the reaction proceeded until the target stirring torque was reached. After the reaction was terminated when the target stirring torque was reached, the polymer reactant strand discharged by pressurization was quenched in a water bath, and then cut into chips.
- the cis / trans weight ratio of the cyclohexanedicarboxylate units in the finally obtained polymer chain was changed to 70/30%, and the cis ratio was decreased and the trans ratio was increased in the DPCD cis / trans weight ratio as a starting material.
- Tg of the polymer-based bio-based polycarbonate ester was 162 ° C.
- IV was 0.62 dL / g
- 1 H NMR and IR spectra were shown in FIGS. 3 and 4, respectively.
- Example 2 The same method as in Example 1, except that 10.1 g (0.07 mol) of CHDM (manufactured by SK Chemicals) was used in addition to DPCD and DPC, and 92.1 g (0.63 mol) of isosorbide (manufactured by Roquette Freres) was used.
- Biobased polycarbonate esters were prepared. The weight ratio of cyclohexanedicarboxylate unit cis / trans in the chain of the finally obtained polymer was changed to 38/62%.
- the Tg of the polymer-based biobased polycarbonate ester was 129 ° C and IV was 0.51 dL / g.
- Isosorbide homopolycarbonate was prepared in the same manner as in Example 1, except that 150.0 g (0.7 mol) of DPC (manufactured by Aldrich) was used without using a DPCD.
- the Tg of the polymerized isosorbide homopolycarbonate was 160 ° C., and the IV was 0.49 dL / g.
- Biobased isosorbide / DPCD polyester was prepared in the same manner as in Example 1 except that 227.1 g (0.7 mol) of DPCD were used and DPC was not used.
- the weight ratio of cyclohexanedicarboxylate unit cis / trans in the chain of the finally obtained polymer was changed to 36/64%.
- the Tg of the polymer prepared biobased isosorbide / DPCD polyester was 130 ° C. and IV was 0.46 dL / g.
- Example 1 except that 32.2 g (0.14 mol) of dodecanedioic acid (hereinafter referred to as DDDA, manufactured by Aldrich) was used instead of DPCD, and 120.0 g (0.56 mol) of DPC (Aldrich) was used.
- DDDA copolymerized isosorbide polycarbonate ester was prepared.
- the Tg of the polymerized DDDA copolymerized isosorbide polycarbonate ester was 121 ° C and IV was 0.34 dL / g.
- Biobased polycarbonate esters were prepared in the same manner as in Example 1 except for using 97.3 g (0.3 mol) of DPCD having a cis / trans weight ratio of 90/10%.
- the cis / trans weight ratio of the cyclohexanedicarboxylate unit in the chain of the finally obtained polymer was changed to 85/15%, the Tg of the polymer-based bio-based polycarbonate ester was 113 °C, IV was 0.37 dL / g.
- Table 1 shows the composition and physical property test results of the polymer samples prepared in Examples 1 to 6 and Comparative Examples 1 to 5.
- the light transmittance is a general-purpose BPA-based poly at high transparency PMMA (poly (methyl methacrylate)) light transmittance level. It was lowered to the carbonate level, it was confirmed that the glass transition temperature is also relatively low.
- Comparative Example 5 the cis ratio of the cyclohexanedicarboxylate unit in the polymer chain was higher than that in Example 1, the glass transition temperature was greatly reduced, and the light transmittance was also relatively low.
- the method for preparing a biobased polycarbonate ester of the present invention can adjust the carbonate bond and the ester bond ratio according to the target physical properties corresponding to various uses, thereby controlling the advantages and disadvantages of the physical properties obtained from each repeating unit.
- the bio-based polycarbonate ester prepared according to the above method has a high transparency and heat resistance, it can be useful for various applications such as automotive glass replacement, optical lens and film, baby bottles, food containers.
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Abstract
Description
실시예1 | 실시예2 | 실시예3 | 실시예4 | 실시예5 | 실시예6 | 비교예1 | 비교예2 | 비교예3 | 비교예4 | 비교예5 | |
ISB | 1 | 1 | 1 | 1 | 1 | 1 | 0.9 | 1 | 1 | 1 | 1 |
CHDM | 0 | 0 | 0 | 0 | 0 | 0 | 0.1 | 0 | 0 | 0 | 0 |
DPC | 0.9 | 0.8 | 0.7 | 0.6 | 0.5 | 0.4 | 0.4 | 1 | 0 | 0.8 | 0.4 |
DPCD | 0.1 | 0.2 | 0.3 | 0.4 | 0.5 | 0.6 | 0.6 | 0 | 1 | 0 | 0.6 |
DDPA | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0.2 | 0 |
cis/trans 중량비(%) | 70/30 | 42/58 | 49/51 | 49/51 | 42/58 | 40/60 | 38/62 | - | 36/64 | - | 85/15 |
점도 (dL/g) | 0.62 | 0.58 | 0.68 | 0.65 | 0.61 | 0.63 | 0.51 | 0.49 | 0.46 | 0.34 | 0.37 |
Tg (℃) | 162 | 157 | 154 | 150 | 146 | 143 | 129 | 160 | 130 | 121 | 113 |
광투과율 (%) | 92 | 92 | 92 | 92 | 92 | 92 | 91 | 89 | 89 | 87 | 90 |
인장강도(㎫) | 21 | 44 | 65 | 83 | 107 | 131 | 136 | 5 | 212 | - | - |
굴곡강도(㎫) | 37 | 64 | 93 | 121 | 149 | 174 | 179 | 12 | 283 | - | - |
굴곡계수 (MPa) | 3,298 | 3,089 | 2,852 | 2,632 | 2,421 | 2,205 | 2,198 | 3,496 | 1,488 | - | - |
충격강도 (J/m) | 13 | 36 | 55 | 68 | 77 | 93 | 101 | 4 | 129 | - | - |
열변형온도 (℃) | 124 | 124 | 122 | 119 | 116 | 112 | 107 | 123 | 110 | - | - |
연필경도 | 5H | 4H | 3H | 2H | H | F | HB | 5H | 2B | - | - |
Claims (12)
- (1) 하기 화학식 2로 표시되는 화합물을 이탈이 용이한 작용기를 가지는 중간 반응물로 전환한 후 페놀과 친핵 반응시켜 하기 화학식 3으로 표시되는 화합물을 제조하는 단계; 및(2) 단계 (1)에서 제조된 하기 화학식 3으로 표시되는 화합물, 하기 화학식 4로 표시되는 화합물, 및 1,4:3,6-디안히드로헥시톨을 폴리카보네이트 용융 축중합 반응시켜 하기 화학식 1로 표시되는 반복단위를 포함하는 화합물을 제조하는 단계를 포함하는 생물기반 폴리카보네이트 에스테르의 제조방법:[화학식 1][화학식 2][화학식 3][화학식 4]상기 화학식 2에서, R은 메틸 또는 수소이고,상기 화학식 4에서, R1 및 R2는 각각 독립적으로 치환되거나 치환되지 않은 탄소수 1 내지 18의 지방족기, 또는 치환되거나 치환되지 않은 탄소수 1 내지 18의 방향족기이며,x는 0 < x < 1을 만족하는 실수이다.
- 제2항에 있어서,상기 R3가 Cl인, 생물기반 폴리카보네이트 에스테르의 제조방법.
- 제2항에 있어서,상기 단계 (1)에서 상기 중간 반응물이 화학식 2의 화합물을 포스젠(phosgene), 트리포스젠(triphosgene), 티오닐 클로라이드(thionyl chloride), 옥살릴 클로라이드(oxalyl chloride), 포스포러스 트리클로라이드(phosphorus trichloride), 포스포러스 펜타클로라이드(phosphorous pentachloride), 포스포러스 펜타브로마이드(phosphorous pentabromide) 및 시아누릭 플루오라이드(cyanuric fluoride)로 이루어진 군으로부터 선택되는 화합물과 반응시켜 수득되는, 생물기반 폴리카보네이트 에스테르의 제조방법.
- 제1항에 있어서,상기 단계 (1)의 중간 반응물로의 전환이 상압에서 - 30 내지 150 ℃의 반응온도, 및 5 분 내지 48 시간의 반응시간 동안 이루어지는, 생물기반 폴리카보네이트 에스테르의 제조방법.
- 제1항에 있어서,상기 단계 (1)에서 상기 페놀이 화학식 2로 표시되는 화합물의 총 몰 수에 대하여 1 내지 3배의 양으로 사용되는, 생물기반 폴리카보네이트 에스테르의 제조방법.
- 제1항에 있어서,상기 단계 (1)에서 페놀과 친핵 반응이 테트라히드로-2,5-디메틸-퓨란디카르복실레이트, 1,2-디메틸-사이클로헥산디카르복실레이트, 1,3-디메틸-사이클로헥산디카르복실레이트, 데카히드로-2,4-디메틸-나프탈렌디카르복실레이트, 데카히드로-2,5-디메틸-나프탈렌디카르복실레이트, 데카히드로-2,6-디메틸-나프탈렌디카르복실레이트, 데카히드로-2,7-디메틸-나프탈렌디카르복실레이트, 테트라히드로-2,5-퓨란디카르복실산, 1,2-사이클로헥산디카르복실산, 1,3-사이클로헥산디카르복실산, 데카히드로-2,4-나프탈렌디카르복실산, 데카히드로-2,5-나프탈렌디카르복실산, 데카히드로-2,6-나프탈렌디카르복실산 및 데카히드로-2,7-나프탈렌디카르복실산으로 이루어진 군으로부터 선택되는 하나 이상의 화합물을 추가로 포함하여 이루어지는, 생물기반 폴리카보네이트 에스테르의 제조방법.
- 제1항에 있어서,상기 화학식 4의 화합물이 디메틸 카보네이트, 디에틸 카보네이트, 디-t-부틸 카보네이트, 디페닐 카보네이트 또는 디톨일 카보네이트인, 생물기반 폴리카보네이트 에스테르의 제조방법.
- 제1항에 있어서,상기 단계 (2)에서의 용융 축중합 반응이 1,2-사이클로헥산디메탄올, 1,3-사이클로헥산디메탄올, 1,4-사이클로헥산디메탄올, 트리사이클로데칸디메탄올, 3,9-비스(1,1-디메틸-2-히드록시에틸)-2,4,8,10-테트라옥사스피로[5.5]운데칸, 2,2-비스(4-히드록시사이클로헥실)프로판 및 생물기반 원료에서 제조 가능한 테트라히드로-2,5-퓨란디메탄올로 이루어지는 군으로부터 선택되는 하나 이상의 디올 화합물을 추가로 포함하여 이루어지는, 생물기반 폴리카보네이트 에스테르의 제조방법.
- 제9항에 있어서,상기 디올 화합물이 1,4:3,6-디안히드로헥시톨 100 몰%를 기준으로 99 몰% 미만으로 포함되는, 생물기반 폴리카보네이트 에스테르의 제조방법.
- 제1항에 있어서,상기 단계 (2)의 용융 축중합 반응이 제1 반응 구간 및 제2 반응 구간을 포함하고,상기 제1 반응 구간이 5 내지 700 Torr의 감압 조건, 130 내지 250 ℃의 온도에서 0.1 내지 10 시간 동안 진행되고,상기 제2 반응 구간이 20 Torr 이하의 감압 조건, 210 내지 290 ℃의 온도에서, 0.1 내지 10 시간 동안 진행되는, 생물기반 폴리카보네이트 에스테르의 제조방법.
- 제1항에 있어서,상기 화학식 1로 표시되는 반복단위 내에서, 사이클로헥산디카르복실레이트 단위의 시스/트랜스 중량비가 1/99 내지 99/1 %인, 생물기반 폴리카보네이트 에스테르의 제조방법.
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US15/540,052 US10479860B2 (en) | 2015-01-22 | 2016-01-12 | Method for preparing highly transparent and highly heat-resistant polycarbonate ester |
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EP16740345.0A EP3248999B1 (en) | 2015-01-22 | 2016-01-12 | Novel method for preparing highly transparent and highly heat-resistant polycarbonate ester |
JP2017538962A JP6648144B2 (ja) | 2015-01-22 | 2016-01-12 | 高透明で高耐熱性のポリカーボネートエステルを調製するための新規な方法 |
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JP2018504497A (ja) | 2018-02-15 |
ES2767332T3 (es) | 2020-06-17 |
EP3248999B1 (en) | 2019-11-20 |
TWI689529B (zh) | 2020-04-01 |
JP6648144B2 (ja) | 2020-02-14 |
CN107108870A (zh) | 2017-08-29 |
US20170369641A1 (en) | 2017-12-28 |
CN107108870B (zh) | 2020-06-30 |
EP3248999A1 (en) | 2017-11-29 |
US10479860B2 (en) | 2019-11-19 |
KR102342167B1 (ko) | 2021-12-22 |
KR20160090703A (ko) | 2016-08-01 |
EP3248999A4 (en) | 2018-09-19 |
TW201634527A (zh) | 2016-10-01 |
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