WO2007139104A1 - ポリエステルブロック共重合体の製造方法 - Google Patents
ポリエステルブロック共重合体の製造方法 Download PDFInfo
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- WO2007139104A1 WO2007139104A1 PCT/JP2007/060894 JP2007060894W WO2007139104A1 WO 2007139104 A1 WO2007139104 A1 WO 2007139104A1 JP 2007060894 W JP2007060894 W JP 2007060894W WO 2007139104 A1 WO2007139104 A1 WO 2007139104A1
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- Prior art keywords
- block copolymer
- polyester
- composition
- polyester block
- crystalline aromatic
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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
- C08G63/02—Polyesters derived from hydroxycarboxylic acids or from polycarboxylic acids and polyhydroxy compounds
- C08G63/60—Polyesters derived from hydroxycarboxylic acids or from polycarboxylic acids and polyhydroxy compounds derived from the reaction of a mixture of hydroxy carboxylic acids, polycarboxylic acids and polyhydroxy 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
- C08G63/00—Macromolecular compounds obtained by reactions forming a carboxylic ester link in the main chain of the macromolecule
- C08G63/02—Polyesters derived from hydroxycarboxylic acids or from polycarboxylic acids and polyhydroxy compounds
- C08G63/06—Polyesters derived from hydroxycarboxylic acids or from polycarboxylic acids and polyhydroxy compounds derived from hydroxycarboxylic acids
- C08G63/08—Lactones or lactides
-
- 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
- C08G63/91—Polymers modified by chemical after-treatment
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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
- C08L67/00—Compositions of polyesters obtained by reactions forming a carboxylic ester link in the main chain; Compositions of derivatives of such polymers
Definitions
- the present invention relates to a method for producing a polyester block copolymer, and more particularly to a continuous method for producing a polyester block copolymer that can always obtain a polyester block copolymer having a constant quality.
- Polyester block copolymers are used as materials for fibers, molded products, films and the like.
- JP-A-61-281124 and JP-A-61-283619 molten crystalline aromatic polyester and latatones are continuously supplied to a reaction vessel and subjected to addition polymerization to produce an elastic polyester. Manufacturing methods are known. However, in these methods, the reaction time is long, and the aromatic polyester composing the hard segment and the polylatatatone composing the soft segment are partially randomized by the transesterification reaction, and fluctuations in the melting point and mechanical strength are large. I can't get it.
- Japanese Patent Application Laid-Open No. 5-93050 discloses a so-called CSTR continuous production method in which a plurality of stirring tanks are connected in series, and lactide is continuously fed to this for polymerization.
- a reaction apparatus having a dynamic stirrer is used.
- lactides are polymerized by this method, as the average molecular weight of the produced polymer increases, the polymer viscosity rises to a very high viscosity region of 10,000 boise or more, and stirring is difficult with a normal stirrer. It becomes difficult to take out the reaction contents.
- JP-A-7-26001 bicyclic cyclic ester of hydroxycarboxylic acid and one or more kinds of ratatones are continuously supplied to a continuous reaction apparatus equipped with a static mixer, and ring-opening polymerization is performed. A continuous process for producing a biodegradable polyester polymer is disclosed.
- JP-A-7-149878 discloses that Rataton (A), a repeating unit of an aromatic dicarboxylic acid component and a diol component, and a repeating unit of an aliphatic dicarboxylic acid component and a diol component are essential components.
- a method for producing a rataton copolymer is disclosed in which the polyester (B) as a component is reacted in the presence of a ring-opening polymerization catalyst (C).
- these methods are effective for polymerizing only low-viscosity liquid monomers.
- Patent Document 1 Japanese Patent Application Laid-Open No. 61-281124
- Patent Document 2 JP-A-61-283619
- Patent Document 3 Japanese Patent Laid-Open No. 5-93050
- Patent Document 4 Japanese Patent Laid-Open No. 7-26001
- Patent Document 5 JP-A-7-149878
- An object of the present invention is to provide a method capable of industrially and efficiently producing a polyester block copolymer of a certain quality when a polyester block copolymer is obtained by reacting a crystalline aromatic polyester and latatones. There is.
- the present invention continuously converts the molten crystalline aromatic polyester (A) into a static mixer at a constant speed using a gear pump and Lataton (B1) or the Lataton composition (B2) using a metering pump.
- a method for producing a polyester block copolymer is provided, wherein the polyester block copolymer is obtained by supplying and reacting.
- a crystalline aromatic polyester having an acid value of 2 mg-KOHZg or less can be obtained by reacting a crystalline aromatic polyester (A1) greater than 2 mg-KOHZg with Rataton (B1). Polyester (A2) and Rataton composition (B2) may be reacted!
- the latathone composition (B2) a composition comprising latathone (B1) and a phosphite compound (C) can be used.
- the latathone composition (B2) may further contain at least one compound selected from the group consisting of an acidic phosphate ester (D) and a tin compound (E).
- the crystalline aromatic polyester (A) it is preferable to supply the crystalline aromatic polyester (A) so that the pressure on the gear pump inlet side is 0.0001 MPa (gauge pressure) or more. Further, it is preferable to adjust the charging pressure of Lataton (B 1) or Lataton composition (B2) to be 1.96 MPa (gauge pressure) or more.
- the molten crystalline aromatic polyester (A) is continuously fed at a constant speed by a gear pump, and the rataton (B1) or the rataton composition (B2) is continuously fed by a metering pump. Therefore, the copolymerization ratio and reaction rate are always constant, so a constant quality polyester block copolymer can be continuously added without mixing for quality averaging. And can be obtained industrially efficiently. Therefore, the method of the present invention is particularly useful when continuously producing a polyester block copolymer having different physical properties depending on the copolymerization ratio and reaction rate.
- the crystalline aromatic polyester (A) used in the present invention comprises an aliphatic dicarboxylic acid as an essential component as an acid component (a) (dicarboxylic acid component), and an aliphatic added as necessary.
- the crystalline aromatic polyester (A) is preferably a polyester having a high degree of polymerization and a melting point of 160 ° C or higher (for example, about 160 ° C to 285 ° C).
- a melting point of 160 ° C or higher for example, about 160 ° C to 285 ° C.
- the molding material those having a number average molecular weight (in terms of polymethyl methacrylate) of 5,000 or more (for example, about 5,000-100,000) are preferable!
- the acid component (a) constituting the crystalline aromatic polyester (A) include aromatic dicarboxylic acids such as terephthalic acid, isophthalic acid, 2,6-naphthalenedicarboxylic acid, and biphenyl. And dicarboxylic acid.
- aromatic dicarboxylic acids such as terephthalic acid, isophthalic acid, 2,6-naphthalenedicarboxylic acid, and biphenyl.
- dicarboxylic acid As the aliphatic dicarboxylic acid, a dicarboxylic acid having 2 to 20 carbon atoms is suitable, and examples thereof include succinic acid, glutaric acid, adipic acid, azelaic acid, sebacic acid, dodecanedioic acid, and dimer acid.
- alicyclic dicarboxylic acid include 1,4-cyclohexanedicarboxylic acid.
- These dicarboxylic acids may be esters, acid chlorides or cyclic acid anhydrides when used
- At least terephthalic acid is preferably used as the acid component (a).
- the amount of terephthalic acid, 60 mol% or more of the total acid component (a) is more preferably tool more preferably 80 mol 0/0 above.
- diol component (b) of the crystalline aromatic polyester (A) include, for example, 1,4 butanediol, 1,3 butanediol, 1,2 butanediol, ethylene Glycolol, propylene glycol, 1,3 propanediol, 1,5 pentanediol, 3-methyl-1,5 pentanediol, 1,6 hexanediol, 1,9-nonanediol, neopentyl glycol, polymethylene glycol, etc. It is done.
- Aromatic diols include, for example, resorcinol, naphthalene diol, 2,2 bis (4 hydroxyphenol) propane, bisphenol A and adducts of alkylene oxides such as ethylene oxide and propylene oxide, such as 2,2 bis.
- alicyclic diols examples include 1,4-cyclohexanediol, 1,4-cyclohexanedimethanol, 2,2-bis (4-hydroxyethoxycyclohexyl) propane, and hydrogenated bisphenol A and en.
- examples include adducts with alkylene oxides such as tylene oxide and propylene oxide.
- the diol component (b) can be used alone or in combination of two or more.
- 1,4 butanediol and ethylene glycol power as the diol component (b).
- 1, 4-butanediol amount of ol and ethylene glycol, in total, 60 mole 0/0 over the entire diol component (b) is more preferably more preferably tool 80 mol% or more.
- the crystalline aromatic polyester (A) can be used alone or in combination of two or more.
- an aromatic polyester containing at least one of a butylene terephthalate unit and an ethylene terephthalate unit in consideration of crystallinity, heat resistance, and raw material cost, an aromatic polyester containing at least one of a butylene terephthalate unit and an ethylene terephthalate unit. In particular, an aromatic polyester containing 60 mol% or more of these units in total is desirable.
- the crystalline aromatic polyester (A) and the latathone (B1) or the latathone composition (B2) are continuously fed to a static mixer at a constant rate and reacted to react with the polyester block.
- a copolymer is produced.
- the crystalline aromatic polyester (A) has an acid value greater than 2 mg—KOHZg and is a crystalline aromatic polyester (A1).
- Rataton (B1) is reacted with Rataton (B1) to produce a crystalline aromatic polyester (A).
- Rataton composition (B2) It is preferable to react with.
- the Lataton composition (B2) may be a composition containing Lataton (B1), but a composition containing Lataton (B1) and a phosphite compound (C) is particularly preferred.
- a composition containing Lataton (B1) and a phosphite compound (C) is particularly preferred.
- at least one selected from the group consisting of acidic phosphate ester (D) and tin compound (E) particularly acidic
- a composition containing at least one type of phosphate ester (D) and at least one type of tin compound (E) is preferred.
- crystalline aromatic polyester (A2) with an acid value of 2 mg—KOHZg or less
- the transesterification reaction of the crystalline aromatic polyester component and the polyester component derived from rataton proceeds, and the melting point, hue and heat resistance of the resulting polyester block copolymer are decreased, and the polymerization rate is decreased.
- the phosphite ester compound (C), or the phosphite ester compound (C) and the acidic phosphate ester (D) are supplied to the reaction system, the transesterification reaction is suppressed.
- a polyester block copolymer having a high melting point and excellent heat resistance can be obtained.
- the tin compound (E) is supplied to the reaction system, the desired polymerization reaction proceeds smoothly, and a polyester block copolymer excellent in heat resistance and the like can be obtained.
- Lataton (B1) includes: ⁇ -force prolatatone; methylation of 2-methyl-one ⁇ -force prolatatatone, 4-methyl ⁇ -force prolatatatone, 4,4-dimethyl ⁇ -force prolatataton, etc. ( ⁇ -force prolatatatone); ⁇ -valerolatatone; methylation ( ⁇ -valerolataton); ⁇ -propiolataton and the like. Lataton (B1) can be used alone or in combination of two or more.
- ⁇ -force prolatatatone is most preferable as the latatone (B1) in consideration of the cost and physical properties of the resulting polyester block copolymer.
- the amount of ⁇ -force prolatatatone is more preferably 60 mol% or more of the total Lataton (B1), more preferably 80 mol% or more.
- the supply ratio [(A) Z (B1) or ( ⁇ 2)] between the crystalline aromatic polyester ( ⁇ ) and the latathone (B1) or the latathone composition ( ⁇ 2) is not particularly limited.
- a ratio of 90 to 10 to 35 to 65, particularly 85Zl5 to 40/60 is preferable.
- a ring-opening polymerization catalyst may be used in the polymerization reaction.
- an esterification catalyst usually used for polyester synthesis can be used.
- examples of such a catalyst include metals such as tin, zinc, lead, titanium, bismuth, zirconium, germanium, and compounds containing the metal (organic metal compounds, carbonates, oxides, halides, etc.).
- metals such as tin, zinc, lead, titanium, bismuth, zirconium, germanium, and compounds containing the metal (organic metal compounds, carbonates, oxides, halides, etc.).
- a synthetic compound is most preferable.
- the phosphite ester compound (c) is not particularly limited as long as it is a phosphite ester compound having one or more phosphorus atoms in the same molecule.
- Preferred examples of phosphite compounds (C) include bis (2,6 di-tert-butyl-4-methylphenyl) pentaerythritol di-phosphite, bis (2,4 di-tert-butylphenyl) pentaerythritol.
- the amount of the phosphite ester compound (C) to be supplied is, for example, 0.0001-0.3 per 100 parts by weight of the total of the crystalline aromatic polyester (A) and the latathone composition (B1). Parts by weight, preferably in the range of 0.001 to 0.05 parts by weight. If the supply amount of the phosphite compound (C) is less than 0.001 part by weight, the effect of inhibiting transesterification becomes insufficient, and the acid value of the crystalline aromatic polyester (A) is 2 mg—KOHZg or less. When the crystalline aromatic polyester (A2) is used, the resulting polyester block copolymer has a low melting point, and the hue and heat resistance are likely to decrease. On the other hand, if the amount of the phosphite compound (C) supplied is more than 0.3 parts by weight, the hydrolysis resistance of the polyester block copolymer may be lowered.
- the acidic phosphate ester (D) is not particularly limited as long as it is an acidic phosphate ester compound having one or more phosphorus atoms in the same molecule.
- Preferable examples of the acid phosphate ester (D) include methyl acid phosphate, butyl acid phosphate, dibutyl phosphate, monobutyl phosphate, 2-ethylhexyl acid phosphate, bis (2-ethylhexyl) phosphate, isodecyl Examples include acid phosphate and monoisodecyl phosphate.
- the supply amount of the acidic phosphate ester (D) is, for example, 0.0001-0.03 parts by weight with respect to 100 parts by weight of the total of the crystalline aromatic polyester (A) and the latatatone composition (B1). Preferably it is the range of 0.001 to 0.01 weight part. If the supply amount of acidic phosphate ester (D) is less than 0.0001 parts by weight, the effect of inhibiting transesterification will be insufficient, and as soon as the crystalline aromatic polyester (A) has an acid value of 2 mg—KOHZg or less. A crystalline aromatic polyester When A (A2) is used, the resulting polyester block copolymer has a low melting point, and the hue and heat resistance are likely to decrease. On the other hand, if the supply amount of the acidic phosphate ester (D) is more than 0.01 parts by weight, the hydrolysis resistance of the polyester block copolymer may be lowered.
- the tin compound (E) is not particularly limited as long as it is a compound having at least one tin in the same molecule.
- Preferred examples of tin compounds (E) include inorganic tin compounds such as stannous chloride, stannous bromide, stannous iodide, etc .; 2-ethyl tin hexanoate, etc. Examples thereof include organic tin compounds such as dibutyltin oxide.
- the supply amount of the tin compound (E) is preferably, for example, 0.0001 to 0.6 parts by weight with respect to 100 parts by weight of the total of the crystalline aromatic polyester (A) and the latathone composition (B1). ⁇ Is in the range of 0.002 to 0.1 parts by weight.
- the supply amount of tin compound (E) is 1 part by weight of supply amount of acidic phosphate ester (D). For example, 1 to 20 parts by weight, preferably 2 to 10 parts by weight.
- the supply amount of tin compound (E) is too small, when the crystalline aromatic polyester (A2) having an acid value of 2 mg-KOHZ g or less is used as the crystalline aromatic polyester (A), the polymerization rate However, if it is too much, the hydrolysis resistance of the polyester block copolymer may be lowered, and the rataton composition may be reduced.
- a polymer is formed before (B2) is injected into the static mixer, and it becomes difficult to obtain the desired polyester block copolymer.
- lactides may be subjected to a polymerization reaction.
- the amount of lactide used is, for example, 0 to 50 parts by weight, preferably 0 to 20 parts per 100 parts by weight in total of the crystalline aromatic polyester (A) and the rataton (B1) or the rataton composition (B2). Part by weight, more preferably 0 to 5 parts by weight.
- a solvent can be used for the polymerization reaction.
- the polymerization temperature can be appropriately selected according to the kind of the crystalline aromatic polyester (A), the latathone (B1) or the latathone composition (B2), the charging ratio, etc., but generally 200 ° C to 300 ° C. C, preferably around 210 ° C to 270 ° C.
- the residence time in the static mixer can be appropriately selected according to the type, the charging ratio, etc. of the crystalline aromatic polyester (A), the rataton (B1) or the rataton composition (B2), but usually 10 minutes to 180 minutes. Preferably, it is about 60 minutes to 120 minutes.
- the static mixer used in the present invention is a static mixer without a drive unit, and is a blade in which wings called mixing elements are arranged in a line or tube.
- the shape of the mixing element may be the same or different. Moreover, even if it is the same shape, the thing with a different internal diameter may be distribute
- the static mixer is not particularly limited. However, for example, a Kenix static mixer, "SMX”, “SMXL”, Toray static mixer, etc. manufactured by Sulzer Corporation can be used. In the present invention, two or more static mixers may be combined and used.
- the power to continuously supply the melted crystalline aromatic polyester (A) to the static mixer at a constant speed with a gear pump is provided on the side where the gear pump is provided. Hold pressure.
- Examples of the method of applying pressure include a method in which an extruder and a gear pump are connected by a pipe provided with a pressure gauge, and the number of revolutions of the extruder is controlled so that the pipe pressure is constant.
- the pressure entering the gear pump is not less than 0.009 MPa (gauge pressure) [for example, 0.00098 MPa (gauge pressure) to 0.98 MPa (gauge pressure), in particular, 0.098 MPa (gauge pressure) to 0.49 MPa. (Gauge pressure)] is preferable.
- the pressure is less than 0.0098 MPa (gauge pressure)
- the supply of the crystalline aromatic polyester may be unstable, and it may be difficult to obtain a polyester block copolymer of a certain quality continuously. .
- Lataton (B1) or Lataton composition (B2) is fixed with a metering pump.
- Force to continuously supply to static mixer at speed Maintain pressure to achieve mixing with molten crystalline aromatic polyester (A).
- Examples of the method for maintaining the pressure include a method in which an induction valve is installed between a metering pump (for example, a plunger pump) and a static mixer.
- polyester block copolymer thus obtained can be used as a material for fibers, molded articles, films and the like.
- Ml (melt index) value and melting point were measured according to the following procedure.
- DSC differential scanning calorimeter
- Production Example 1 ⁇ —force prolatatone (CLM) 1000 parts by weight, phosphite (Asahi Denshi Kogyo Co., Ltd., trade name “Adekastab PEP-30”) 1. 25 parts by weight, acid phosphate ester (Daihachi Chemical Industries, Ltd.) , Trade name "AP-4”) 0.13 parts by weight, tin compound (manufactured by Nitto Kasei Co., Ltd., trade name "GHA-1 05”) was prepared as a main component.
- CLM force prolatatone
- Polybutylene terephthalate (melting point, melting point 228 ° C, number average molecular weight 30,000, acid value 2.6 mg—KOH / g) melted in a single-screw extruder at a constant speed with a gear pump (through-the- The product name “SMXL”, inner diameter 3.8 cm, length 798 cm, 72 mixing elements incorporated), and ⁇ -force prolatatone (CLM) is supplied to the static mixer at a constant speed by a plunger pump. By doing so, a polyester block copolymer was obtained continuously.
- SXL inner diameter 3.8 cm, length 798 cm, 72 mixing elements incorporated
- the reaction temperature is 235 ° C
- the pressure on the gear pump inlet side is 0.196 MPa (gauge pressure)
- the epsilon one-proteaton charging pressure is 15.68 MPa (gauge pressure).
- the static mixer power was also discharged, and the pellet block polyester block copolymer was sampled every 15 minutes to measure the physical properties. The results are shown in Table 1. From Table 1, it can be seen that the variation in Ml value and melting point is very small.
- Polybutylene terephthalate (PBT, melting point 228 ° C, number average molecular weight 30 000, acid value 2.6 mg—KOH / g) is 3 kg / hr with a quantitative feeder, and ⁇ —force prolatathon (CLM) is the plunger.
- PBT Polybutylene terephthalate
- CLM ⁇ —force prolatathon
- Polybutylene terephthalate (PBT, melting point 228 ° C, number average molecular weight 30,000, acid value 2.6 mg—KOHZg) 60 parts by weight, ⁇ —force prolataton (CLM) 40 parts by weight are intermittently fed into the mixing tank and mixed (temperature 235 ° C) via a gear pump set to a constant speed.
- a polyester block copolymer was obtained continuously by passing through (manufactured by Sulzer Co., Ltd., trade name “SMXL”, inside diameter 3.8 cm, length 798 cm, 72 mixing elements incorporated). The reaction temperature is 235 ° C.
- the static mixer force was also discharged, and the pelletized polyester block copolymer was sampled every 15 minutes and measured for physical properties. The results are shown in Table 1. From Table 1, it can be seen that the variation in Ml value and melting point is large.
- a polyester block copolymer was continuously obtained by supplying a mixed liquid as a component) to the static mixer at a constant speed by a plunger pump.
- the reaction temperature is 235 ° C
- the pressure on the gear pump side is 0.196 MPa (gauge pressure)
- the charging pressure of the lactone composition is 15.68 MPa (gauge pressure).
- the polyester block copolymer discharged from the static mixer and pelletized was sampled every 15 minutes, and the physical properties were measured. The results are shown in Table 2. Table 2 shows that the variation in Ml value and melting point is very small.
- PBT polybutylene terephthalate
- the reaction temperature is 235 ° C
- the pressure on the gear pump inlet side is 0.196 MPa (gauge pressure)
- the epsilon one-proteaton charging pressure is 15.68 MPa (gauge pressure).
- the static mixer power is also discharged, and a polyester block copolymer that has been pelletized 15 Sampling was performed every minute, and physical properties were measured. The results are shown in Table 2. Table 2 shows that the variation in Ml value and melting point is very small. The melting point of the polyester block copolymer obtained was compared with Example 6 carried out under the same conditions except that the latatatone composition obtained in Production Example 1 was used instead of ⁇ -force prolatatone (CLM). Was weak.
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- Chemical Kinetics & Catalysis (AREA)
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Abstract
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Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
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US12/302,830 US20090186991A1 (en) | 2006-06-01 | 2007-05-29 | Method for producing polyester block copolymers |
EP07744314A EP2022807A4 (en) | 2006-06-01 | 2007-05-29 | PROCESS FOR PREPARING POLYESTER BLOCK COPOLYMER |
Applications Claiming Priority (4)
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JP2006-154067 | 2006-06-01 | ||
JP2006154067 | 2006-06-01 | ||
JP2006-314903 | 2006-11-21 | ||
JP2006314903A JP2008007740A (ja) | 2006-06-01 | 2006-11-21 | ポリエステルブロック共重合体の製造方法 |
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WO2007139104A1 true WO2007139104A1 (ja) | 2007-12-06 |
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PCT/JP2007/060894 WO2007139104A1 (ja) | 2006-06-01 | 2007-05-29 | ポリエステルブロック共重合体の製造方法 |
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US (1) | US20090186991A1 (ja) |
EP (1) | EP2022807A4 (ja) |
JP (1) | JP2008007740A (ja) |
KR (1) | KR20090023655A (ja) |
WO (1) | WO2007139104A1 (ja) |
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WO2024009906A1 (ja) * | 2022-07-08 | 2024-01-11 | Dic株式会社 | コポリエステル及びその製造方法 |
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US20170022300A1 (en) | 2013-12-20 | 2017-01-26 | Horiba Stec, Co., Ltd. | Continuous reaction apparatus and method of continuous polymerization using the same |
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- 2006-11-21 JP JP2006314903A patent/JP2008007740A/ja active Pending
-
2007
- 2007-05-29 KR KR1020087032070A patent/KR20090023655A/ko not_active Application Discontinuation
- 2007-05-29 US US12/302,830 patent/US20090186991A1/en not_active Abandoned
- 2007-05-29 WO PCT/JP2007/060894 patent/WO2007139104A1/ja active Application Filing
- 2007-05-29 EP EP07744314A patent/EP2022807A4/en not_active Withdrawn
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JPS61281124A (ja) | 1985-06-05 | 1986-12-11 | Toyobo Co Ltd | 弾性ポリエステルの連続的製造法 |
JPS61283619A (ja) | 1985-06-10 | 1986-12-13 | Toyobo Co Ltd | 弾性ポリエステルの連続的製造方法 |
JPS6220525A (ja) * | 1985-07-18 | 1987-01-29 | Toyobo Co Ltd | 弾性ポリエステルの製造法 |
JPS6227425A (ja) * | 1985-07-30 | 1987-02-05 | Toyobo Co Ltd | 弾性ポリエステルの製造方法 |
JPS6253336A (ja) * | 1985-09-02 | 1987-03-09 | Toyobo Co Ltd | 横型反応装置 |
JPH02302434A (ja) * | 1989-05-17 | 1990-12-14 | Toray Ind Inc | 弾性ポリエステルの製造方法 |
JPH0593050A (ja) | 1991-02-22 | 1993-04-16 | Novacor Chem Internatl Sa | ラクチドの連続式重合方法 |
JPH04275326A (ja) * | 1991-03-01 | 1992-09-30 | Toray Ind Inc | 弾性ポリエステルの製造方法 |
JPH0726001A (ja) | 1993-07-12 | 1995-01-27 | Dainippon Ink & Chem Inc | 生分解性ポリエステル系ポリマーの連続製造法 |
JPH07149878A (ja) | 1993-11-26 | 1995-06-13 | Dainippon Ink & Chem Inc | ラクトン系共重合体の製造方法 |
JP2003206340A (ja) * | 2002-01-11 | 2003-07-22 | Daicel Chem Ind Ltd | ポリエステル系ポリマーの連続製造方法 |
JP2003206341A (ja) * | 2002-01-11 | 2003-07-22 | Daicel Chem Ind Ltd | ポリエステル系ポリマーの製造方法 |
Non-Patent Citations (1)
Title |
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See also references of EP2022807A4 * |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2024009906A1 (ja) * | 2022-07-08 | 2024-01-11 | Dic株式会社 | コポリエステル及びその製造方法 |
Also Published As
Publication number | Publication date |
---|---|
EP2022807A4 (en) | 2010-12-29 |
US20090186991A1 (en) | 2009-07-23 |
KR20090023655A (ko) | 2009-03-05 |
JP2008007740A (ja) | 2008-01-17 |
EP2022807A1 (en) | 2009-02-11 |
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