WO2005003235A1 - 整色されたポリエステル樹脂組成物及びその成形加工製品 - Google Patents
整色されたポリエステル樹脂組成物及びその成形加工製品 Download PDFInfo
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- WO2005003235A1 WO2005003235A1 PCT/JP2004/009581 JP2004009581W WO2005003235A1 WO 2005003235 A1 WO2005003235 A1 WO 2005003235A1 JP 2004009581 W JP2004009581 W JP 2004009581W WO 2005003235 A1 WO2005003235 A1 WO 2005003235A1
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- polyester resin
- resin composition
- color
- polyester
- mass
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Classifications
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- D—TEXTILES; PAPER
- D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
- D01F—CHEMICAL FEATURES IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS; APPARATUS SPECIALLY ADAPTED FOR THE MANUFACTURE OF CARBON FILAMENTS
- D01F6/00—Monocomponent artificial filaments or the like of synthetic polymers; Manufacture thereof
- D01F6/88—Monocomponent artificial filaments or the like of synthetic polymers; Manufacture thereof from mixtures of polycondensation products as major constituent with other polymers or low-molecular-weight compounds
- D01F6/92—Monocomponent artificial filaments or the like of synthetic polymers; Manufacture thereof from mixtures of polycondensation products as major constituent with other polymers or low-molecular-weight compounds of polyesters
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J5/00—Manufacture of articles or shaped materials containing macromolecular substances
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/02—Elements
- C08K3/08—Metals
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K5/00—Use of organic ingredients
- C08K5/0008—Organic ingredients according to more than one of the "one dot" groups of C08K5/01 - C08K5/59
- C08K5/0041—Optical brightening agents, organic pigments
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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
- C08L67/02—Polyesters derived from 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
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/02—Elements
- C08K3/08—Metals
- C08K2003/0843—Cobalt
Definitions
- the present invention relates to a colored polyester resin composition and a molded product thereof. More specifically, the present invention relates to a polyester resin composition having a very small content of a copartal metal element, being colored in a predetermined color, and having excellent moldability, and a molded product thereof. Background art
- Polyesterol especially poly (ethylene terephthalate), poly (ethylene naphthalate), poly (methylene terephthalate) and poly (tetramethyl terephthalate) have excellent mechanical, physical and chemical properties. As a result, it is widely used for fibers, films or other molded products.
- polyethylene terephthalate is usually as follows:
- terephthalic acid is directly esterified with ethylenedaricol, or a method in which terephthalic acid, such as dimethyl terephthalate, is used in combination with lower phenolic ethylene glycol and ethylene glycol is used.
- Ethylene glycol ester of terephthalic acid and / or a low polymer thereof is formed by a method of transesterification or a method of reacting terephthalic acid with ethylene oxide.
- the reaction product is heated under reduced pressure in the presence of a polymerization catalyst and subjected to a polycondensation reaction until a predetermined polymerization degree is reached, thereby producing polyethylene terephthalate.
- germanium compounds are used as polyester catalysts for wet potting, etc., but germanium is a rare metal and expensive, so the price of the resulting product is high. That is the problem.
- titanium hydroxide or ⁇ -titanium As other titanium compounds, titanium hydroxide or ⁇ -titanium It is disclosed that an acid is used as a catalyst for polyester production (see, for example, Patent Documents 1 and 2).
- an acid is used as a catalyst for polyester production (see, for example, Patent Documents 1 and 2).
- powdering of titanium hydroxide is not easy, and in the latter method, ⁇ -titanic acid is liable to be deteriorated, so that storage and handling thereof are not easy. Therefore, none of them are suitable for industrial use, and it is also difficult to obtain a polymer of good color (b value).
- a product obtained by reacting a titanium compound with a specific phosphorus compound is used (for example, see Patent Documents 3 and 4). It is disclosed that an unreacted mixture or a reaction product of a reaction compound (for example, see Patent Document 5) is used as a catalyst for producing a polyester.
- an unreacted mixture or a reaction product of a reaction compound (for example, see Patent Document 5) is used as a catalyst for producing a polyester.
- the melt heat stability of the polyester is improved by this method, and the color of the obtained polymer is greatly improved.However, these methods have a low polymerization reaction rate during the production of the polyester, so that the There is a problem that productivity is slightly inferior.
- the temperature of the polymerization reaction it is usually necessary to set the temperature of the polymerization reaction to about 280 to 300 ° C. At such a high temperature, the coloring due to the thermal deterioration of the polymer, that is, the polyester itself is colored yellow. There is a known problem.
- cobalt compound It is common practice to add a substance to polyester to suppress yellowing (see, for example, Patent Document 6).
- the color (b value) of the polyester can be improved by adding the cobalt compound, but the addition of the coparte compound decreases the melting heat stability of the polyester, and the added cobalt compound This causes problems such as precipitation of impurities in the polymer, which may cause the formation of foreign matter, and adverse effects on the process condition during the production of polyester products or the quality of molded products.
- a manganese compound is used as a transesterification catalyst and a coparte compound is added as a power regulator, there is also a problem that fibers may be colored by bleach treatment in clothing textile applications. Occurs.
- Patent Document 1 Japanese Patent Publication No. 48-2229
- Patent Document 2 Japanese Patent Publication No. 47-26597
- Patent Document 3 WO 01/007006 Pamphlet
- Patent Document 4 WO 03Z008479 pamphlet
- Patent Document 5 International Publication No. 03Z027166 Pan fret
- An object of the present invention is to provide an excellent whiteness, and even when a molding process, for example, a spinning or film forming process, is continuously performed for a long time, the amount of foreign matter adhered to a molding die or a die is substantially reduced.
- Another object of the present invention is to provide a colored polyester resin composition exhibiting good moldability and having a small amount, and a molded product produced therefrom and having a good appearance.
- the above object is achieved by the colored polyester resin composition of the present invention and a molded product thereof.
- the color-matched polyester resin composition of the present invention is a polyester resin composition comprising an aromatic polyester polymer and a color-matching agent, wherein the color-matching agent is
- the maximum absorption wavelength of the absorption spectrum in the wavelength range of 380 to 780 nm is in the range of 540 to 600 nm.
- the coloring agent when the coloring agent is heated in a nitrogen gas atmosphere at a heating rate of 10 ° Z, and its mass is measured using a thermobalance, It is preferable to be selected from coloring dyes that exhibit a temperature at which the mass starts to decrease by more than ° C.
- the content of the cobalt metal element with respect to the mass of the polyester resin composition is preferably controlled to 10 mass ppm or less.
- the polyester resin composition is controlled such that the content of a metal element having a true specific gravity of 5.0 or more with respect to the mass thereof is controlled to 10 mass ppm or less. Is preferred.
- the aromatic polyester polymer is produced using a catalyst containing at least one compound selected from a titanium compound and an aluminum compound. .
- the aromatic polyester polymer is produced using a catalyst containing a titanium compound and a phosphorus compound, and the phosphorus contained in the catalyst is contained in the catalyst.
- the molar ratio of the element to the titanium metal element is represented by the following formula (5):
- M p and M T i represent the real Rimoru concentration of Li down element and titanium metal element contained in said aromatic polycarboxylic ester polymer
- the molar amount of titanium metal element in the catalyst residue dissolved and contained in the polyester resin composition is such that the structure of the polymer is 2 X 10- 3 ⁇ molar amount of all dicarboxylic acids contained as forming component: It is preferred that 15 XI 0 one 3%.
- the aromatic polyester polymer contains, as main components, polyethylene terephthalate, polyethylene naphthalate, polymethylene terephthalate, and poly (ethylene terephthalate). It is preferable to contain at least one selected from the group consisting of lithimethylennaphthalate, polytetramethylenphthalate and polytetramethylennaphthalate.
- the coloring agent is an organic solvent-soluble blue coloring dye and an organic solvent-soluble purple coloring dye in the range of 90:10 to 40:60. It is preferable that the content be included in the mass ratio.
- the 'coloring agent' is an organic solvent-soluble blue coloring dye and an organic solvent-soluble red or orange coloring dye. It is preferred that the content be contained at a mass ratio within the range of 80 to 20.
- the coloring agent is added to the reaction mixture in at least one stage of the production process of the aromatic polyester polymer.
- the coloring agent is kneaded into the aromatic polyester polymer when it is in a molten state.
- the colored polyester resin molded product of the present invention is manufactured from the colored polyester resin composition of the present invention.
- the colored polyester resin molded product of the present invention, The molded product may be selected from textile products.
- the molded product may be selected from film products.
- the molded product may be selected from bottle products.
- the polyester resin composition of the present invention which has been colored by a color-regulating agent having a specific color-regulating effect, and in which a polyester resin produced without using a catalyst containing antimony or germanium is used.
- a color-regulating agent having a specific color-regulating effect
- a polyester resin produced without using a catalyst containing antimony or germanium is used.
- the colored polyester resin composition of the present invention maintains excellent moldability, mechanical and chemical properties of the polyester resin as it is.
- the polyester resin composition of the present invention contains an aromatic polyester polymer and a coloring agent.
- the aromatic polyester polymer used in the present invention is obtained by performing a polycondensation reaction between an aromatic dicarboxylic acid component and a dalicol component.
- the aromatic dicarboxylic acid component can be selected as, for example, terephthalic acid, naphthalenedicarboxylic acid, or an ester-forming derivative thereof (for example, lower dialkyl diester) as the main component.
- the glycol component is the main component, for example, You can choose from glycol, trimethylene glycol, tetramethylene glycol, and others.
- the aromatic dicarboxylic acid component and the glycol component include, in addition to the main component compound, one or more copolymer components such as isophthalic acid, aliphatic dicarboxylic acid (eg, adipic acid), and aromatic compound. It may contain a dihydroxy compound (for example, bisphenol A) or an oxycarboxylic acid (for example, hydroxybenzoic acid).
- the aromatic polyester polymer is mainly composed of polyethylene terephthalate, poly (ethylene naphthalate), poly (methylen terephthalate), poly (methylen terephthalate), and poly (ethylene terephthalate). It is preferable to include at least one member selected from the group consisting of tetramethylen terephthalate and polytetramethylennaphthalate. Among these, it is particularly preferable to contain polyethylene terephthalate as a main component.
- the “main constituent” means that at least 80 mol% of all the repeating units of the polyester are the aromatic polyester polymer.
- the polyester resin composition of the present invention is preferably one in which the content of a metal element having a true specific gravity of 5.0 or more with respect to its mass is controlled to 10 mass ppm or less.
- the metal element having a true specific gravity of 5.0 or more is derived from a metal compound usually contained in a catalyst contained in polyester, a metal-based color adjuster, an anti-glare agent and the like. . Specifically, these metal elements include antimony, genolemanium, manganese, copanolate, cerium, tin, zinc, lead, cadmium, and the like. On the other hand, titanium, aluminum, calcium, magnesium, sodium, potassium, etc. do not fall under metals having a true specific gravity of 5.0 or more.
- Polyester resin set of the present invention of the metal element having a true specific gravity of 5.0 or more The effect on the composition depends on the type of metal contained. For example, when the antimony metal content is more than 10 ppm by mass, it becomes a foreign substance during the melt spinning process or during film formation and adheres around the die or die, adversely affecting long-term continuous formability. In the case of germanium, it is expensive in itself, so the higher the content, the higher the price of the resulting polyester resin composition. In addition, in the case of lead, cadmium, and the like, the metal element itself is toxic, so that it is not preferable to include a large amount in the polyester.
- the content of the high specific gravity metal element is preferably 0 to 7 ppm by mass or less, and more preferably 0 to 5 ppm by mass or less.
- the content of the metal compound is preferably controlled to 10 ppm by mass or less, more preferably 0 to 7 ppm by mass or less, in terms of the cobalt metal element.
- the polyester resin composition of the present invention contains 0.1 to 10 ppm by mass with respect to the mass thereof.
- the coloring agent for the polyester resin composition used in the present invention includes an organic polyaromatic ring dye, an organic solvent-soluble dye, for example, an oil-soluble dye or pigment. Specific examples include a blue-based coloring dye, a violet-based coloring dye, a red-based coloring dye, an orange-based coloring dye, and the like, as described below. These may be used alone or in combination of two or more. Above all, a combination of multiple types Is preferable in that the requirements for the absorption spectrum described later are easily satisfied.
- Organic solvent-soluble dyes are preferably used for the color-matching agent of the present invention.
- I. Solvent Blue 11 I. Solvent Blue 25, I. Solvent Blue 35, I. Solvent Blue 36, CI Solvent Blue 45 (Telasol Blue RLS), CI Solvent Blue 55, I. Solvent Blue 63, CI Solvent Blue 78,
- C. I. Solvent Blue 83, I. Solvent Blue 87, I. Solvent Blue 94 and the like are used.
- the purple coloring dyes include CI Solvent Violet 8, I. Solvent Violet 13, CI Solvent Violet 14, CI Solvent Violet 21, I. Solvent Violet 27, I. Solvent Violet 28, I. Solvent Violet 36 Are used.
- Solvent Red 111 I. Solvent Red 121, C.I. Solvent Red 135, C.I. Solvent Red 168, C.I. Solvent Red 179 I. Solvent Orange 60 or the like is used as the orange-based coloring dye.
- the color matching agent contained in the polyester resin composition of the present invention has an absorption spectrum in a wavelength range of 380 to 780 nm when measured at a light path length of 1 cm for a clog form solution having a concentration of 20 mg / liter.
- the maximum absorption wavelength of Torr is in the range of 540-600nm, and
- the ratio to the absorbance A Raax in the maximum absorption wavelength visible light spectrum is represented by the following formula (1) ⁇ (4): 0.00 ⁇ A 400 / A max ⁇ 0.20 (1) 0.10 ⁇ A 500 / A fflax ⁇ 0.70 (2)
- the wavelength 400nm represent 500 nm, 600 nm, and 700nm absorbance in the visible light absorption spectrum of
- a nax is the absorbance in the visible light absorbing scan Bae-vector at the maximum absorption wavelength.
- the absorption spectrum is a spectrum that is usually measured by a spectrophotometer
- the maximum absorption wavelength of the absorption spectrum of the solution of the tinting agent contained in the polyester resin composition of the present invention is 540 nm. If it is less than 1, the resulting polyester resin composition has a strong reddish tint, and if it exceeds 600 nm, the resulting polyester resin composition has a bluish tint.
- the range of the maximum absorption wavelength is preferably 545 to 595 ⁇ , more preferably 550 to 590nm.
- the absorbance at each of the wavelengths shown above with respect to the absorbance at the maximum absorption wavelength at a light path length of 1 cm of a clog form solution having a concentration of 20 mgZL of the color adjuster contained in the polyester resin composition of the present invention If the ratio does not satisfy any one of the formulas (1) to (4), the resulting polyester resin composition is undesirably colored.
- a oZAm is preferably within the range of the following formulas (6) and (9).
- the content of the above-mentioned color-regulating agent contained in the polyester resin composition of the present invention is less than 0.1 mass ppm, the yellow color of the polyester resin composition becomes strong. On the other hand, if it exceeds 10 ppm by mass, the lightness becomes weak and the appearance becomes darker, which is not preferable.
- the content of the coloring agent is preferably in the range of 0.3 to 9 ppm by mass, and more preferably in the range of 0.5 to 8 ppm by mass.
- the apparent white color of the polyester resin composition of the present invention is adjusted by a color adjuster. That is, the a * value in the a * b * color system after the heat treatment of the polyester resin composition at 140 ° C. for 2 hours to promote crystallization is in the range of 19 to 0, It is preferred that the color b * value be in the range of _2 to 10 ⁇ 10>.
- the a * value and the b * value vary depending on the amount of the tinting agent contained, but when the a * value is smaller than _9, the green color of the polyester resin composition becomes strong, and when it is larger than 0. Is unfavorable because it becomes reddish.
- the b * value is smaller than -2, the bluish tint of the polyester resin composition becomes strong, and if it is larger than +10, the yellow tint becomes strong, which is not preferable.
- the a * value is more preferably in the range of 181, and even more preferably in the range of 17.52. Further, b is preferably in the range of 11 to 19, more preferably in the range of 0 to 8, and even more preferably in the range of 0 to 8.
- the color adjuster contained in the polyester resin composition of the present invention was placed on a thermobalance in a nitrogen gas atmosphere under the condition of a temperature rising rate of 10 ° C.Z in accordance with the method for measuring a mass loss start temperature described in JISK 7120. It is preferable that the mass reduction starting temperature ( ⁇ ⁇ ) force S measured above is 250 ° C or more.
- the temperature at which the mass loss starts is an index of the heat resistance of the coloring agent. When the temperature at which the mass loss starts is less than 250 ° C, the heat resistance of the tinting agent is insufficient. Therefore, the polyester resin composition may eventually be colored. More preferably, the temperature at which the mass reduction starts is 300 ° C or more and 500 ° C or less. It is further preferred that the aromatic polyester polymer does not decompose at a temperature in a molten state.
- the method for producing the aromatic polyester polymer contained in the polyester resin composition of the present invention is not particularly limited, and a generally known production method can be used. That is, first, a dicarboxylic acid component such as terephthalic acid and a glycol component such as ethylene glycolone are directly esterified, or a lower dialkyl diester of a dicanolevonic acid component such as dimethyl terephthalate. A transesterification reaction is carried out with a glycol component such as ethylene glycol to produce a daricol ester of dicarboxylic acid and Z or a low polymer thereof.
- a dicarboxylic acid component such as terephthalic acid and a glycol component such as ethylene glycolone are directly esterified, or a lower dialkyl diester of a dicanolevonic acid component such as dimethyl terephthalate.
- a transesterification reaction is carried out with a glycol component such as ethylene glycol to produce a daricol ester of
- the reaction product is heated under reduced pressure in the presence of a polymerization catalyst and subjected to a polycondensation reaction until a predetermined degree of polymerization is reached, whereby an intended aromatic polyester polymer is produced.
- a polymerization catalyst When an aromatic polyester polymer other than one polyester structure is contained as a copolymer component, the aromatic polyester component and the copolymer component are copolymerized, or both the polyesters are generally known. It is possible to employ a method in which the polyester is produced using a production method and both polyesters are blended.
- the aromatic polyester polymer contained in the polyester resin composition of the present invention includes those produced using a catalyst containing at least one compound selected from a titanium compound and an aluminum compound.
- the titanium compound is not particularly limited, and includes titanium compounds generally used as a polycondensation catalyst for polyester, for example, titanium acetate and tetran-butoxytitanium.
- the titanium compound is a compound represented by the following general formula (I) or a compound represented by the following general formula (I) and an aromatic compound represented by the following general formula (II) It is selected from a product obtained by reacting an aromatic polycarboxylic acid or an anhydride thereof, or a compound represented by the following general formula (in).
- X is an alkyl group having 1 to 20 carbon atoms, an alkoxy group, or an aryl group or an aryloxy group having 6 to 20 carbon atoms.
- aluminum compounds for polycondensation catalysts are not particularly limited, but aluminum acetyl acetate is excellent in that it is stable and easy to handle.
- These titanium compounds and aluminum compounds may be used alone or in combination of two or more. However, it is particularly preferable to use a titanium compound alone.
- the compound represented by the general formula (III) can provide good results even when used alone.
- an antimony compound and a Z or germanium compound can be used as a polymerization catalyst for use in producing the aromatic polyester polymer.
- the antimony compound and the germanium compound are not particularly limited, and general antimony compounds and germanium compounds can be used as a polyester polymerization catalyst.
- diantimony trioxide, antimony acetate, antimony pentachloride, germanium dioxide, germanium tetraalkoxide, or the like can be used. Among these, it is preferable to use diantimony trioxide and z or germanium dioxide.
- each of R 1 to R 4 is an alkyl group and Z or a phenyl group
- tetraisopropoxy titanium, tetra n-propoxy titan, tetra n-butoxy titanium, tetra ethoxy titanium, tetra hexoxy titanium, and the like are preferably used.
- aromatic polycarboxylic acid represented by the general formula (II) or an anhydride thereof to be reacted with the above titanium compound include phthalic acid, trimellitic acid, and hemimeric acid.
- Tutonic acid, pyromellitic acid or their anhydrides are preferably used.
- the following operation is performed. That is, all or a part of the aromatic polycarboxylic acid or its anhydride is dissolved in a solvent, and the titanium compound is added dropwise thereto, and the mixture is reacted at a temperature of 0 to 200 ° C for 30 minutes or more. I just need to respond. If necessary, the remaining aromatic carboxylic acid or its anhydride may be added after the titanium compound is dropped.
- the compound represented by the general formula (III) may be a compound represented by the general formula (I) and a monoalkylphosphonic acid, a monoarylphosphonic acid, a monophenolic phosphate, or a monoarylphosphonic acid. Can be obtained by reacting monophosphate with a temperature of 70 to 150 ° C.
- the aromatic polyester polymer is produced by using a catalyst containing a titanium compound and a phosphorus compound, and the titanium metal of the phosphorus element contained in the catalyst is used.
- the molar ratio to the element is expressed by the following formula (5):
- M P and M T i represent a millimeter molar concentration of Li down element and titanium metal element contained in said aromatic polycarboxylic ester polymers.
- the titanium metal element derived from the polyester-soluble titanium compound contained in the aromatic polyester polymer does not include the titanium metal element derived from an inorganic titanium compound insoluble in polyester such as titanium oxide. It is limited to an organic titanium compound usually used as a catalyst and a titanium metal element derived from an organic titanium compound contained as an impurity in titanium oxide used as a matting agent. If the amount of the titanium metal element is less than 2 ⁇ 1 ( ⁇ 3%, may polycondensation reaction does not proceed sufficiently, and it may exceeds the 15 X 10- 3%, polyester resin composition obtained Power color is yellowish Further, the heat resistance may be further reduced.
- the content of the titanium metal element is more preferably in the range of 3 ⁇ 10- 3 ⁇ 10 ⁇ 1 ( ⁇ 3%.
- the titanium derived from a poly ester soluble compound contained in the fang aromatic poly ester polymer metal the molar ratio M P ZM T i of the re-emission element to element, smaller than 1, the color of the poly ester composition obtained is tinged with yellow color, also, when it exceeds 15 that the polycondensation reaction slows range.
- M P ZM T i that is, it is a further preferably in the range of 2 to 10.
- the polyester composition produced in the presence of the titanium-containing catalyst is used.
- the phosphorus compound is added to the material.
- the phosphorus compound which can be achieved by using the compound represented by the general formula (III) as a catalyst is not particularly limited, but is preferably phosphoric acid, phosphorous acid, It is particularly preferred to be selected from phosphonic acids, phosphinic acids, or alkyl, aryl esters and phosphonoacetate compounds thereof.
- the method for adding the phosphorus compound to the polyester composition may be any time after the transesterification reaction or the esterification reaction is substantially completed, but usually the esterification reaction or the ester exchange reaction is completed. It is preferable to add immediately after the addition and then to subject it to a polycondensation reaction.
- the intrinsic viscosity of the polyester resin composition of the present invention is not particularly limited, but it is usually used for resin molded products such as fibers, films, and bottles. It is preferably within a range where it can be used, and specifically, preferably within a range of 0.40 to 1.00. Further, the polyester resin composition of the present invention preferably has an intrinsic viscosity increased by solid phase polymerization. That's right.
- the polyester resin composition of the present invention may contain, if necessary, a small amount of additives such as a lubricant, an antioxidant, a solid phase polymerization accelerator, a fluorescent whitening agent, an antistatic agent, an antibacterial agent, an ultraviolet absorber, It may contain a light stabilizer, a heat stabilizer, a light shielding agent, an anti-glare agent, and the like.
- a lubricant such as a lubricant, an antioxidant, a solid phase polymerization accelerator, a fluorescent whitening agent, an antistatic agent, an antibacterial agent, an ultraviolet absorber
- It may contain a light stabilizer, a heat stabilizer, a light shielding agent, an anti-glare agent, and the like.
- an anti-glare agent and an antioxidant such as titanium oxide are added.
- these small amounts of additives have extremely low contents of metals and halogen elements having a true specific gravity of 5.0 or more. It is preferable to use a hindered phenol-based antioxidant as the antioxidant.
- the added amount of the hindered phenolic antioxidant is more preferably in the range of 0.005 to 0.5% by mass.
- These hindered phenol-based antioxidants and thioether-based secondary antioxidants may be used in combination.
- the method of adding the antioxidant to the polyester resin composition and there is no particular limitation on the step of producing the aromatic polyester polymer described above or the step of producing the polyester resin composition described later (for example, when a coloring agent is At the stage of addition).
- it is added to the reaction mixture at least at one stage in the production process of the aromatic polyester polymer, for example, at any stage after the end of the transesterification reaction or the esterification reaction until the polymerization reaction is completed.
- the reaction mixture at least at one stage in the production process of the aromatic polyester polymer, for example, at any stage after the end of the transesterification reaction or the esterification reaction until the polymerization reaction is completed.
- the coloring agent is added to the reaction mixture in at least one stage of the production process of the aromatic polyester polymer. Among these steps, it is more preferable to add at an arbitrary stage until the polymerization reaction is completed. In particular, after the esterification reaction or the transesterification reaction is completed, it is more preferable to add a coloring agent and to subject it to a polycondensation reaction. In addition, the coloring agent can be kneaded into the aromatic polyester polymer when it is in a molten state.
- the coloring agent for blue-based coloring and the coloring agent for violet-based coloring should be contained in the mass ratio in the range of 90:10 to 40:60 as the coloring agent. It is preferable to use the dye for blue color matching and the dye for red or orange color matching in a mass ratio within the range of 98: 2 to 80:20. Where the blue colorant The term “blue” is used to refer to the color name of a commercially available dye for color matching, and specifically, the maximum absorption wavelength in the visible light spectrum in a solution. It is preferable to use one having a wavelength of about 580 to 620 nm.
- a violet-based coloring dye is a commercially available coloring dye described as “Viol et”, and specifically, a visible light absorption spectrum in a solution. It is preferable to use those having a maximum absorption wavelength of 560 to 580 nm.
- the red-based coloring dye is a commercially available coloring dye that is described as “Red”, and specifically, has the largest visible light absorption spectrum in a solution. It is preferable to use one having an absorption wavelength of about 480 to 520 nm.
- the orange-based coloring dye is a commercially available coloring dye described as “Orange”.
- the obtained polyester resin composition when a blue-based coloring dye and a purple-based coloring dye are used in combination, when the amount of the blue-based coloring dye used is more than 90:10 by mass, the obtained polyester resin composition The object's a * value becomes small and green. If it is used in a smaller amount than 40:60, the a-line may become large and red. Similarly, when a blue-based coloring dye is used in combination with a red-based coloring dye or an orange-based coloring dye, if the amount of the blue-based coloring dye used is greater than the mass ratio of 98: 2, The resulting polyester resin composition has a low a * value and exhibits a green color. If it is smaller than 80:20, the value of a * may increase and red may appear.
- the color-matching dye contains a blue color-matching dye and a purple color-matching dye in a mass ratio within a range of 80:20 to 50:50. It is more preferable to use the red or orange color adjusting dye in a mass ratio of 95: 5 to 90:10.
- the dyed polyester resin composition of the present invention can be formed by a known melt molding. According to the method, it can be molded into a shaped polyester resin molded product having a desired shape and dimensions.
- the molded products include textile products, film products, and other molded products such as bottle products and injection molded products.
- the method for producing a fiber product from the polyester resin composition of the present invention is not particularly limited, and a conventionally known melt spinning method is used.
- the dried polyester resin composition is preferably melt-spun at a temperature of 270 ° C. to 300 ° C., and the take-up speed of the melt spinning is preferably 400 to 5000 m / min. When the spinning speed is within this range, the strength of the obtained fiber product is sufficient, and the winding can be performed stably.
- the shape of the die used at the time of spinning is not particularly limited, and may be any of a circle, an irregular shape, a solid, and a hollow.
- the stretching of the unstretched filament obtained in the melt spinning step may be performed after the unstretched filament is wound once, or may be stretched continuously without winding. Good. Further, in order to improve the feeling of the polyester fiber product of the present invention, it is preferable that the polyester fiber product is subjected to an energy reduction treatment.
- the method for producing the polyester film product of the present invention is not particularly limited, and a conventionally known melt film-forming method is used.
- a dried and colored polyester resin composition is melted in the range of 270 ° C to 300 ° C, extruded into a sheet, and cooled with a cooling drum to produce an unstretched film.
- this unstretched film is stretched biaxially, heat-set, and if necessary, heat-relaxed.
- the surface properties, density, and heat shrinkage properties of the film product vary depending on the stretching conditions and other manufacturing conditions. Therefore, conditions should be selected as necessary.
- polyester resin molded product of the present invention examples include bottle products and other injection molded products.
- a conventionally known melt molding method is used.
- a dried and colored polyester resin composition is melted at a temperature of 270 ° C to 300 ° C, and the polyester resin composition is injected into a mold at a temperature of about 0 to 80 ° C using an injection molding machine.
- the melt of the product is poured and molded.
- the bottle product includes not only a bottle but also a bottle preform.
- the present invention is further specifically described by the following examples. However, the scope of the present invention is not limited by these examples.
- the intrinsic viscosity, the color, the titanium content, the height of the layer of deposits generated on the spinneret, and the like were measured by the methods described below.
- the polyester resin composition chip was dissolved in orthochlorophenol by a dissolving operation at 100 ° C. for 60 minutes.
- the intrinsic viscosity of the obtained dilute solution was calculated from the value of the viscosity measured at 35 ° C using an Ubbelohde viscometer.
- the polyester resin composition chips are decomposed using hydrazine hydrate (hydrazine hydrate), and the content of diethylene diol in this decomposition product is determined by gas chromatography (Hurret Packer Co., Ltd.). It was measured using a model HP6850).
- the polyester resin composition sample was mixed with ammonium sulfate, sulfuric acid, nitric acid, and perchloric acid, and was subjected to wet decomposition at about 300 ° C for 9 hours.
- the decomposed liquid is diluted with distilled water and subjected to qualitative analysis using an ICP emission spectrometer (JY170, ULTRACE) manufactured by Rigaku Denki Kogyo Co., Ltd. to confirm the presence of metal elements with a true specific gravity of 5.0 or more. did. For metal elements whose presence was confirmed to be 1 ppm by mass or more, the element content was recorded.
- Granular polyester resin to measure the amount of titanium element, aluminum element, antimony element, manganese element, germanium element, cobalt element, and phosphorus element soluble in polyester in the polyester resin composition After the composition sample was heated and melted on a steel plate, a test compact having a flat surface was prepared using a compression press. The specimen was subjected to a fluorescent X-ray apparatus (Rigaku Denki Kogyo KK, ZSXIOOe type) to measure the content of the above elements. However, as an antiquent Regarding the amount of titanium element in the polyester resin composition to which titanium oxide was added, a polyester resin composition sample was dissolved in orthochlorophenol, and then extracted with 0.5N hydrochloric acid.
- the extract was quantified using a Hitachi Z-8100 atomic absorption spectrophotometer.
- the titanium oxide particles were sedimented by a centrifuge.
- the supernatant was recovered by the tilt method, and the recovered liquid was subjected to the same measurement as described above.
- the test polyester resin composition was formed into chips, which were melted at 290 ° C. and discharged from a spinneret having a pore size of 0.15 ⁇ and 12 holes. Spinning speed: 600 m / min. For 2 days, and the height of the layer of the attachment generated on the outer edge of the outlet of the die was measured. As the height of the deposit layer increases, bending occurs in the filamentous flow of the melt of the discharged polyester resin composition, and the moldability of the polyester resin composition decreases. That is, the height of the deposit layer generated on the spinneret is an index of the moldability of the polyester resin composition.
- the center of the body in the longitudinal direction of one preform molded sample taken from the sample after the fifth shot after the start of injection molding was sampled.
- the haze of the portion was measured using a turbidity meter (HDH-1001DP) manufactured by Nippon Denshoku Industries Co., Ltd.
- An unstretched film (sheet) with a thickness of 500 ⁇ m was prepared by quenching and solidifying the sheet.
- the haze of the film was measured with a turbidity meter (HDH-1001DP) manufactured by Nippon Denshoku Industries Co., Ltd.
- test sample was heated in a nitrogen atmosphere at a heating rate of 10 ° C. Z for 10 minutes using a TAS-200 thermobalance manufactured by Rigaku Denki Kogyo in accordance with JIS K7120, and the mass reduction start temperature was measured.
- trimellitic anhydride in ethylene daricol (0.2 mass 0 /.), Add tetra-n-butoxytitanium to 1/2 mole per 1 mole of trimellitic anhydride. At a rate of Then, the mixture was reacted at 80 ° C. in the air under normal pressure for 60 minutes. Thereafter, the reaction mixture was cooled to room temperature, and the produced catalyst was recrystallized with 10 times the volume of acetone. The precipitate was filtered through filter paper and dried at 100 ° C for 2 hours to obtain the desired compound. This is hereinafter referred to as titanium catalyst A.
- Reference Example 3 Visible light absorption spectrum measurement of the color-matching agent, preparation of the color-matching agent
- the color-matching dye shown in Table 1 was used as a chromium ⁇ -form solution with a concentration of 20 mgZL at room temperature.
- the cell was filled.
- the control cell was filled only with a macroscopic form, and the visible light absorption spectrum in the visible light range of 380 to 780 nm was measured using a Hitachi spectrophotometer U-3010.
- the total concentration was 20 mgZL.
- the ratio of the absorbance at each wavelength of 400, 500, 600, and 70 nm to the maximum absorption wavelength and the absorbance at that wavelength was measured. Further, the thermal mass decrease starting temperature of the powder color adjuster was measured.
- Table 1 shows the results.
- the concentration is 0.1 mass with respect to the glycol solution used as a raw material. % By dissolving or dispersing.
- Coloring agent name Mixing-mixing ratio Ratio of maximum absorption and absorbance Weight reduction Wavelength
- Coloring agent B C.
- Coloring agent C C.I. Solvent Red 52 100: 0 580 0.28 0.93 0.03 0.00 440
- Coloring agent D C I. Solvent Green 20 100: 0 685 0.25 0.06 0.48 0.98 400
- a mixture of 100 parts by mass of dimethyl terephthalate and 70 parts by mass of ethylene dalicol and 0.016 parts by mass of the titanium catalyst A prepared in Reference Example 1 were charged in a SUS container capable of performing a pressure reaction. After applying a pressure of 0.07 MPa to the reaction vessel and performing a transesterification reaction while increasing the temperature from 140 ° C to 240 ° C, 0.023 parts by mass of triethylphosphonoacetate was further added to the reaction mixture, and the ester was added. The exchange reaction was terminated.
- the colored polyester resin composition chips After drying the colored polyester resin composition chips at 160 ° C for 4 hours, they are melt-spun at a spinning temperature of 285 ° C and a take-up speed of 400 m / min, and the channel count is 333 dtex / 36fil undrawn. Yarn was manufactured. This was drawn 4.0 times to obtain a drawn yarn with a yarn count of 83.25 dtex / 36fil. A tubular knitted fabric was manufactured from the obtained drawn yarn. Table 4 shows the measurement results.
- the colored polyester resin composition chip was dried at 160 ° C. for 4 hours, then melted at 285 ° C., and extruded into a rotating casting drum to obtain a sheet.
- the surface temperature of the casting drum was 30 ° C immediately before the molten material was cast, and then the surface temperature gradually increased to 40 ° C.
- a wire-like electrode was installed at a position on the side different from the sheet-like casting drum. The sheet-like material was electrostatically applied by this electrode and was brought into close contact with a castin 'drum. As a result, an unstretched polyester film having a thickness of 500 ⁇ was obtained.
- the evaluation results are shown in Table 4.
- the colored polyester resin composition chips were crystallized and dried at 160 ° C. for 4 hours and then transferred to a packed column type solid phase polymerization tower. Solid phase polycondensation was performed at 215 ° C under nitrogen flow, and the polymerization time was adjusted to obtain chips having an intrinsic viscosity of 0.76.
- the solid-phase polycondensed chip was injected using an injection molding machine at a cylinder temperature of 275 ° C, a screw rotation speed of 160 rpm, a primary pressure time of 3.0 seconds, a mold cooling temperature of 10 ° C, and a cycle of 30 seconds.
- Injection molding was performed to obtain a cylindrical preform having an outer diameter of about 28 mm, an inner diameter of about 19 mm, a length of 136 mm, a body thickness of 4 mm, and a mass of about 56 g. Table 4 shows the evaluation results.
- Example 2 In the same manner as in Example 1, a regulated polyester resin composition was produced. Then, a polyester fiber, a polyester film, and a polyester bottle preform were produced in the same manner as in Example 1. However, in the preparation of the colored polyester resin composition, the type and the amount of the coloring agent were added as shown in Table 2. Was changed to the type and the addition amount shown in FIG. Tables 3 and 4 show the measurement results.
- Example 2 In the same manner as in Example 1, a regulated polyester resin composition was produced. Then, a polyester fiber, a polyester film, and a polyester pottle preform were produced in the same manner as in Example 1. However, in the production of the polyester polymer, the addition of triethyl phosphonoacetate was omitted, and the type and amount of the tinting agent were changed as shown in Table 2. Tables 3 and 4 show the measurement results.
- Example 2 In the same manner as in Example 1, a regulated polyester resin composition was produced. Then, a polyester fiber, a polyester film and a polyester bottle preform were produced in the same manner as in Example 1, except that a color-regulated polyester resin composition was prepared by the following method.
- 225 parts by mass of the oligomer obtained by the esterification reaction was transferred to a polycondensation reaction tank.
- the polycondensation catalyst 1.5 parts by weight of the titanium catalyst B prepared in Reference Example 2 and 0.1 part by weight of a tinting agent A shown in Table 1: 0.32% by weight of an ethylene glycol solution: 0.32 part by weight I put it in.
- the reaction temperature inside the system was increased from 255 to 290 ° C, and the reaction pressure was gradually increased and reduced from atmospheric pressure to 30 Pa, and water and ethylene glycol generated in the reaction were removed from the system.
- the polycondensation reaction was performed while performing.
- intrinsic viscosity 0.63
- diethylene dalicol content 1.3% by mass
- 04 009581 A telluric resin composition was obtained. This was further chipped. Displays measurement results
- Table 4 shows the measurement results of the molded products manufactured from the obtained chips.
- Example 4 In the same manner as in Example 4, a polyester resin composition whose color had been adjusted was produced. Then, a polyester fiber, a polyester film and a polyester bottle preform were produced in the same manner as in Example 1. However, in the preparation of the polyester resin, the catalysts and stabilizers shown in Table 2 were used instead of titanium catalyst B. Was.
- a colored polyester resin composition was produced in the same manner as in Example 1, and then a polyester fiber was produced in the same manner as in Example 1.
- polyester resin 2,6-naphthalenedicarboxylic acid dimethinole was used in place of the polycondensation raw material: dimethyl terephthalate, and the resulting polyester resin had an intrinsic viscosity of 0. Content having 60 and diethylene dalicol: 1.0% by mass.
- Polyester films and polyester potter preforms were not manufactured.
- a colored polyester resin composition was produced in the same manner as in Example 1, and then a polyester fiber was produced in the same manner as in Example 1.
- polyester resin In the preparation of the polyester resin, ethylene glycol The polymerization temperature was changed from 290 ° C to 265 ° C using trimethylene glycol instead. Further, the catalysts shown in Table 2 were used in place of the titanium catalyst A. The intrinsic viscosity of the obtained polyester resin was 0.70. Further, the melt spinning temperature of the polyester fiber was changed from 285 ° C to 260 ° C. Polyester film and polyester bottle preform were not manufactured.
- a colored polyester resin composition was produced in the same manner as in Example 1, and then a polyester fiber was produced in the same manner as in Example 1.
- dimethyl 2,6-naphthalene dicarboxylate was used in place of the starting dimethyl terephthalate, and trimethylen glycol was used in place of ethylene glycol.
- the polymerization temperature was changed from 290 ° C to 265 ° C, and the catalysts shown in Table 2 were used in place of titanium catalyst A.
- the intrinsic viscosity of the obtained polyester resin was 0.65.
- polyester fiber In the production of polyester fiber, the melt spinning temperature was changed from 285 ° C to 260 ° C. Polyester film and polyester pot preform were not produced.
- a colored polyester resin composition was produced in the same manner as in Example 1, and then a polyester fiber was produced in the same manner as in Example 1.
- polyester fiber In the production of polyester fiber, the melt spinning temperature was changed from 285 ° C to 260 ° C. Polyester film and polyester bottle preform were not manufactured.
- a colored polyester resin composition was produced in the same manner as in Example 1, and then a polyester fiber was produced in the same manner as in Example 1.
- dimethyl 2,6-naphthalenedicarboxylate was used in place of the starting dimethyl terephthalate, and tetramethylene glycol was used in place of ethylene glycol.
- the polymerization reaction temperature was changed from 290 ° C to 265 ° C, and the catalyst shown in Table 2 was used instead of titanium catalyst A.
- the intrinsic viscosity of the obtained polyester resin was 0.65.
- melt spinning temperature was from 280 ° C to 260. Changed to C. Polyester film and polyester pottery foam were not produced.
- Example 2 In the same manner as in Example 1, a regulated polyester resin composition was produced. Then, a polyester fiber, a polyester film and a polyester bottle preform were produced in the same manner as in Example 1, and the catalysts shown in Table 2 were used in place of the titanium catalyst A at the addition amounts shown in Table 2. Was. In addition, the polyester resin did not contain a coloring agent. Tables 3 and 4 show the measurement results.
- a mixture of 100 parts by mass of dimethyl terephthalate and 70 parts by mass of ethylene dalicol and 0.032 parts by mass of manganese acetate tetrahydrate were charged into a reactor equipped with a stirrer, a rectification column, and a methanol distillation condenser.
- the ester exchange reaction was carried out while gradually raising the temperature in the reactor from 140 ° C to 240 ° C and distilling the methanol produced as a result of the reaction out of the system.
- 0.02 parts by mass of trimethyl phosphate was added to terminate the transesterification reaction.
- the obtained reaction product was transferred to a reaction vessel equipped with a stirrer, a nitrogen inlet, a vacuum port, and a distillation device. To this, 0.045 parts by mass of diantimony trioxide was added, the temperature was raised to 290 ° C., and a polycondensation reaction was carried out under a high vacuum of 30 Pa or less to obtain a polyester resin containing no coloring agent.
- the molding evaluation was performed in the same manner as in Example 1. Tables 3 and 4 show the measurement results. Table 2
- TBT Tetra-n-butoxytitanium
- MNA manganese acetate tetrahydrate
- LIA Lithium acetate
- the amounts of the transesterification catalyst, polycondensation catalyst and phosphorus compound are based on the molar amount of DMT or DMN, respectively.
- the color (L *, a *, b *) is the value after heat-treating the polyester resin chip at 140 ° C for 2 hours.
- T i * Titanium metal element derived from titanium compound soluble in polyester contained in polyester resin composition
- Al, Sb, Mn content element unit is mass ppm
- M P / M T i ratio The molar ratio of the phosphorus element contained in the catalyst in the aromatic polyester polymer to the titanium metal element
- the concentration of the contained element was calculated based on 1 mol of the repeating unit of the aromatic polyester polymer.
- Table 3 shows that the polyester resin composition (Examples;! To 10) of the present invention, which had been subjected to color matching, had compositions and colors (L *, a *, b *) that were practically satisfactory, and were practically usable. It shows that it has sufficient fiber-forming property, film-forming property and injection-forming property, and practically satisfactory physical properties.
- the polyester resin compositions shown in Comparative Examples 1 to 4 were insufficient in strength (L *, a *, b *) and moldability.
- Comparative Example 5 since the antimony compound was used as the catalyst, the obtained resin containing no toning agent was satisfactory in power, but the amount of residual antimony in the resin was satisfactory. And the melt spinnability was unsatisfactory.
- a mixture of 100 parts by mass of dimethyl terephthalate and 70 parts by mass of ethylene dalicol, 0.032 parts by mass of manganese nitrate tetrahydrate as a transesterification catalyst, and a stirrer, a rectification column and a methanol distillation condenser The reactor was equipped. While gradually raising the temperature from 140 ° C to 240 ° C, transesterification was performed while distilling the methanol produced as a result of the reaction out of the reactor. To this reaction mixture, 0.02 parts by mass of trimethyl phosphate was added to terminate the transesterification reaction.
- tinting agent A shown in Table 1 0.1% by mass of ethylene glycol solution: 0.3 part by mass, diantimony trioxide (polycondensation catalyst): 0.037% by mass Parts, titanium dioxide: 20 mass 0 /. , Ethylene glycol slurry: 1.5 parts by mass were added, and the reaction mixture was transferred to a reaction vessel equipped with a stirrer, a nitrogen inlet, a vacuum port, and a distillation apparatus. Next, the temperature in the reaction vessel was raised to 300 ° C, and a polycondensation reaction was performed in a high vacuum of 30 Pa or less.
- the chips are dried at 160 ° C. for 4 hours, and the dried chips are subjected to a melt spinning step under the conditions of a spinning temperature of 295 ° C. and a winding speed of 400 m / min.
- a spinning temperature 295 ° C.
- a winding speed 400 m / min.
- One undrawn yarn was made.
- this was stretched 4.0 times to produce a drawn yarn having a yarn count of 83.25dt exZ 36fil.
- a tubular knitted fabric was prepared from the obtained drawn yarn and subjected to measurement. Table 6 shows the measurement results.
- Example 12 a colored polyester resin composition was produced in the same manner as in Example 11, and a polyester fiber was produced from this composition in the same manner as in Example 11.
- Example 12 instead of the coloring agent A, the coloring agent B shown in Table 1 was used, and in Example 13, the amount of the coloring agent A was reduced from 3 mass ppm. Changed to 5 mass ppm.
- a colored polyester resin composition was produced in the same manner as in Example 11, and a polyester fiber was produced from this composition in the same manner as in Example 11.
- germanium dioxide was used in the amount shown in Table 5 instead of diantimony trioxide (SB0) as the polycondensation catalyst.
- Table 6 shows the measurement results.
- a colored polyester resin composition was produced in the same manner as in Example 11, and polyester fibers were produced from this composition in the same manner as in Example 11. Manufactured.
- dimethyl 2,6-naphthalenedicarboxylate was used in place of the starting dimethyl terephthalate.
- the intrinsic viscosity of the obtained ester polymer was 0.69, and its diethylene glycol content was 0.6% by mass.
- a colored polyester resin composition was produced in the same manner as in Example 11, and a polyester fiber was produced from this composition in the same manner as in Example 11.
- tinting agent A and the amount used were changed as shown in Table 5.
- a colored polyester resin composition was produced in the same manner as in Example 11, and a polyester fiber was produced from this composition in the same manner as in Example 11.
- MNA manganese acetate tetrahydrate
- GEO Germanium dioxide
- TMP Trimethyl phosphate
- the colors, a * and b * values are the values after heat treatment of the polyester composition chips at 140 ° C for 2 hours.
- Ti * The concentration of the titanium metal element derived from the titanium compound soluble in the polyester contained in the polyester resin composition. A value of 1 mass ppm or less indicates that the molar amount is less than 2-1 (less than 3 %) of the molar amount of all dicarboxylic acids contained as a component of the polyester.
- transesterification catalyst The amounts of transesterification catalyst, polycondensation catalyst, phosphorus compound and cobalt acetate were calculated based on the molar amount of DMT or D-band.
- Examples 11 to 15 according to the present invention a colored polyester resin composition having good performance and a polyester fiber containing the same were obtained.
- Comparative Example 10 a polyester resin composition and a fiber having excellent color were obtained by adding the cobalt compound. However, since the cobalt content in the polyester resin composition was high, the bleaching property was poor. Seems to be enough.
- the reaction product was transferred to a polymerization vessel, the temperature was raised to 290 ° C, and a polycondensation reaction was performed under a high vacuum of 30 Pa or less, and the intrinsic viscosity was 0.65 while tracing the melt viscosity of the reaction system. At some point the polymerization reaction was terminated.
- the molten polymer was extruded from the bottom of the reactor into a strand in cooling water, and cut into strands using a strand cutter.
- the results are shown in Table 7.
- the obtained aromatic polyester polymer chips were dried at 160 ° C for 4 hours, fed to a twin-screw extruder with a vent, and the temperature of the kneading section was set to 285 ° C. 7 was melt-kneaded for a residence time of 5 minutes, and the obtained resin was extruded in a strand into cooling water and cut with a strand cutter to obtain a polyester resin composition chip.
- Table 8 shows the results.
- the obtained polyester resin composition chip was dried at 160 ° C for 4 hours, and then a spinning temperature of 285 ° C and a winding speed of 400 mZ was used to form a 333 dt exZ 36fil raw yarn, which was stretched 4.0 times. Thus, a drawn yarn of 83.25dt ex / 36fil was obtained. The obtained drawn yarn was further knitted by a conventional method. Table 9 shows the results.
- Example 16 was carried out in the same manner as in Example 16, except that the color-matching agent was not melt-kneaded. Tables 7 to 9 show the results. Table 7
- Example 16 0.62 73. 5 -6. 2 2.65 0 0 0 0 Not detected 0
- Comparative example 11 0.62 81. 3 -6. 4 12.1 5 0 0 0 0 Not detected 0
- PET Polyethylene Telephthalate
- the color is a value obtained by subjecting a chip of the polyester resin composition to heat treatment at 140 ° C. for 2 hours.
- the concentration (mmol%) of the contained element was calculated based on 1 mol of the repeating unit of the aromatic polyester polymer.
- Example 16 according to the present invention had a good color both in the chip state and after the spinning. However, in Comparative Example 11, the color was yellow in both the chip state and the state after spinning, which was an unsatisfactory force.
- the colored polyester resin composition of the present invention and a molded product containing the same have a good color and high utility in a wide range of applications.
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JP2005511380A JP4233568B2 (ja) | 2003-07-07 | 2004-06-30 | 整色されたポリエステル樹脂組成物及びその成形加工製品 |
DE602004027913T DE602004027913D1 (de) | 2003-07-07 | 2004-06-30 | Orthochromatische polyesterharzzusammensetzung und formprodukte daraus |
US10/526,664 US7462682B2 (en) | 2003-07-07 | 2004-06-30 | Orthochromatic polyester resin composition and molding product thereof |
MXPA05002148A MXPA05002148A (es) | 2003-07-07 | 2004-06-30 | Composicion de resina de poliester tenida y articulo formado con la misma. |
EP04747050A EP1642933B1 (en) | 2003-07-07 | 2004-06-30 | Orthochromatic polyester resin composition and molding product thereof |
AU2004254229A AU2004254229B2 (en) | 2003-07-07 | 2004-06-30 | Orthochromatic polyester resin composition and molding product thereof |
AT04747050T ATE472577T1 (de) | 2003-07-07 | 2004-06-30 | Orthochromatische polyesterharzzusammensetzung und formprodukte daraus |
BRPI0406179-9A BRPI0406179B1 (pt) | 2003-07-07 | 2004-06-30 | Composição de resina de poliéster tingida, e, artigo de resina de poliéster tingido e conformado |
CA2497924A CA2497924C (en) | 2003-07-07 | 2004-06-30 | Orthochromatic polyester resin composition and molding product thereof |
HK06105455A HK1085500A1 (en) | 2003-07-07 | 2006-05-10 | Orthochromatic polyester resin composition and molding product thereof |
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JP2007284556A (ja) * | 2006-04-17 | 2007-11-01 | Teijin Fibers Ltd | ポリエステルの製造方法 |
JP2018021128A (ja) * | 2016-08-04 | 2018-02-08 | 東洋製罐グループホールディングス株式会社 | 有機系酸素吸収剤含有酸素吸収性樹脂組成物 |
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JP2021526175A (ja) * | 2018-05-29 | 2021-09-30 | クレックナー、ペンタプラスト、ゲゼルシャフト、ミット、ベシュレンクテル、ハフツングKloeckner Pentaplast Gmbh | 変色補償性を有する透明ポリマーフィルム |
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US20090246430A1 (en) | 2008-03-28 | 2009-10-01 | The Coca-Cola Company | Bio-based polyethylene terephthalate polymer and method of making same |
DE102008044487A1 (de) * | 2008-08-29 | 2010-03-04 | Lurgi Zimmer Gmbh | Verfahren zur Herstellung von Polymeren mit neutralem Farbton |
US20190085505A1 (en) * | 2017-09-19 | 2019-03-21 | Inprotex Co., Ltd. | Sun Protection Light Cloth Structure and Method for Forming the Like |
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2004
- 2004-06-30 MX MXPA05002148A patent/MXPA05002148A/es active IP Right Grant
- 2004-06-30 US US10/526,664 patent/US7462682B2/en active Active
- 2004-06-30 EP EP04747050A patent/EP1642933B1/en not_active Expired - Lifetime
- 2004-06-30 BR BRPI0406179-9A patent/BRPI0406179B1/pt not_active IP Right Cessation
- 2004-06-30 CA CA2497924A patent/CA2497924C/en not_active Expired - Lifetime
- 2004-06-30 WO PCT/JP2004/009581 patent/WO2005003235A1/ja active Application Filing
- 2004-06-30 JP JP2005511380A patent/JP4233568B2/ja not_active Expired - Lifetime
- 2004-06-30 AT AT04747050T patent/ATE472577T1/de not_active IP Right Cessation
- 2004-06-30 DE DE602004027913T patent/DE602004027913D1/de not_active Expired - Lifetime
- 2004-06-30 KR KR1020057003907A patent/KR101036775B1/ko active IP Right Grant
- 2004-06-30 AU AU2004254229A patent/AU2004254229B2/en not_active Ceased
- 2004-07-05 TW TW093120142A patent/TWI339214B/zh not_active IP Right Cessation
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2006
- 2006-05-10 HK HK06105455A patent/HK1085500A1/xx not_active IP Right Cessation
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JPH11158361A (ja) * | 1997-12-01 | 1999-06-15 | Teijin Ltd | ポリエステル中空容器及びその製造方法 |
JP2003119266A (ja) * | 2001-10-05 | 2003-04-23 | Asahi Kasei Corp | ポリトリメチレンテレフタレートの連続重合方法 |
Cited By (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2007284556A (ja) * | 2006-04-17 | 2007-11-01 | Teijin Fibers Ltd | ポリエステルの製造方法 |
US9903988B2 (en) | 2012-12-11 | 2018-02-27 | 3M Innovative Properties Company | Stabilized infrared absorbing dispersions |
US10895673B2 (en) | 2012-12-11 | 2021-01-19 | 3M Innovative Properties Company | Stabilized infrared absorbing dispersions |
JP2018021128A (ja) * | 2016-08-04 | 2018-02-08 | 東洋製罐グループホールディングス株式会社 | 有機系酸素吸収剤含有酸素吸収性樹脂組成物 |
US10995211B2 (en) | 2016-08-04 | 2021-05-04 | Toyo Seikan Group Holdings, Ltd. | Oxygen-absorbing resin composition containing organic oxygen absorber |
JP2021526175A (ja) * | 2018-05-29 | 2021-09-30 | クレックナー、ペンタプラスト、ゲゼルシャフト、ミット、ベシュレンクテル、ハフツングKloeckner Pentaplast Gmbh | 変色補償性を有する透明ポリマーフィルム |
US11858241B2 (en) | 2018-05-29 | 2024-01-02 | Klöckner Pentaplast Gmbh | Transparent polymer film with discolouration compensation |
US11891479B2 (en) | 2020-11-18 | 2024-02-06 | Klöckner Pentaplast Of America, Inc. | Thermoformed packaging and methods of forming the same |
Also Published As
Publication number | Publication date |
---|---|
MXPA05002148A (es) | 2005-05-23 |
EP1642933A1 (en) | 2006-04-05 |
KR101036775B1 (ko) | 2011-05-25 |
WO2005003235A9 (ja) | 2005-05-26 |
US7462682B2 (en) | 2008-12-09 |
BRPI0406179A (pt) | 2005-07-26 |
DE602004027913D1 (de) | 2010-08-12 |
ATE472577T1 (de) | 2010-07-15 |
JP4233568B2 (ja) | 2009-03-04 |
US20050245677A1 (en) | 2005-11-03 |
EP1642933A4 (en) | 2006-07-26 |
BRPI0406179B1 (pt) | 2014-09-09 |
TW200504149A (en) | 2005-02-01 |
EP1642933B1 (en) | 2010-06-30 |
AU2004254229A1 (en) | 2005-01-13 |
CA2497924A1 (en) | 2005-01-13 |
KR20060028380A (ko) | 2006-03-29 |
AU2004254229B2 (en) | 2009-12-17 |
CA2497924C (en) | 2012-04-24 |
JPWO2005003235A1 (ja) | 2006-08-17 |
TWI339214B (en) | 2011-03-21 |
HK1085500A1 (en) | 2006-08-25 |
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