WO2009044907A1 - 植物由来成分を有するポリカーボネート及びその製造方法 - Google Patents
植物由来成分を有するポリカーボネート及びその製造方法 Download PDFInfo
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- WO2009044907A1 WO2009044907A1 PCT/JP2008/068131 JP2008068131W WO2009044907A1 WO 2009044907 A1 WO2009044907 A1 WO 2009044907A1 JP 2008068131 W JP2008068131 W JP 2008068131W WO 2009044907 A1 WO2009044907 A1 WO 2009044907A1
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G64/00—Macromolecular compounds obtained by reactions forming a carbonic ester link in the main chain of the macromolecule
- C08G64/02—Aliphatic polycarbonates
- C08G64/0208—Aliphatic polycarbonates saturated
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G64/00—Macromolecular compounds obtained by reactions forming a carbonic ester link in the main chain of the macromolecule
- C08G64/20—General preparatory processes
- C08G64/30—General preparatory processes using carbonates
- C08G64/305—General preparatory processes using carbonates and alcohols
Definitions
- the present invention relates to a small polycarbonate having a plant-derived component with improved hue, a molded article comprising the polycarbonate, and a method for producing the polycarbonate.
- Polycarbonate resins are excellent in transparency, heat resistance, and impact resistance, and are widely used in the fields of optical media, electricity, electronics, OA, automobiles, industrial equipment, medical, and other industrial fields.
- aromatic polybasic ponates are produced from raw materials obtained from petroleum resources. Therefore, nowadays there is concern about global warming due to the exhaustion of petroleum resources and carbon dioxide generated by the incineration of wastes, and while it has the same physical properties as aromatic polycarbonate, it has more environmental impact. The appearance of small materials is awaited.
- the anhydrous sugar alcohol dianhydride oral hexitols can be derived from plant-derived sources such as mannitol, idol and sorbitol, especially polymers Renewable resources for producing polyesters and polycarbonates (as opposed to deadly natural resources such as oil and coal, they are not themselves as forest resources, biomass, wind power, small-scale hydropower etc. It is considered as a resource that has the ability to regenerate. Above all, inexpensive starches are used as starting materials, and they are also used as pharmaceutical raw materials, and are commercially available. Polymers using isosorbide are being actively studied (for example, Patent Documents 1 to 3 and the like) .
- glycols and the like used for polyester raw materials were copolymerized as diol components together with isosorbide; examinations for luponates have also been conducted (for example, Patent Documents 4 to 5 and the like).
- polycarbonate having only isosorbide as the diol component has problems such as very high melt viscosity and difficulty in molding because of its rigid structure.
- dianhydride mouth hexitols are quite expensive as a polymer raw material and There are also cost issues. In other words, it is also possible to reduce the cost of raw materials by copolymerizing inexpensive glycols as long as necessary polymer physical properties can be maintained.
- anhydrous sugar alcohols are known to be degraded or denatured depending on the storage conditions, and various studies have been conducted on the improvement of their stability.
- the stability improving agent such as a specific reducing agent such as borohydride sodium or an antioxidant is added at a specific time of the anhydrosugar alcohol production process at 40, by adding a stability improving agent. An improvement in stability has been reported.
- Patent Document 1 British Patent No. 1079686
- Patent Document 2 US Patent No. 4,506,066
- Patent Document 3 International Publication No. 2007/013463 Breadlet
- Patent Document 4 International Publication No. 2004/11 1106 Breadlet
- Patent Document 5 Japanese Patent Application Publication No. 2003-292603
- Patent Document 6 International Publication No. WO 2003/043959 Pamphlet (US Patent Application Publication No. 2003/0097028, Japanese Patent Application Publication No. 2005-509667) Disclosure of the Invention
- An object of the present invention is to provide a polycarbonate having a plant-derived component with a good hue, a molded article comprising the polycarbonate, and a method for producing the polycarbonate.
- polymer refers to a polycarbonate having the plant-derived component.
- the present inventors completed the present invention as a result of intensive studies to solve the above object.
- the configuration of the present invention is shown below.
- ( 1 to! ⁇ are each independently a group selected from a hydrogen atom, an alkyl group, a cycloalkyl group or an aryl group)
- R s , R 6 , R 8 and R 9 each independently represent a hydrogen atom, an alkyl group having 1 to 8 carbon atoms, a cycloalkyl group having 5 to 8 carbon atoms, an alkyl having 6 to 12 carbon atoms
- R7 represents a hydrogen atom or an alkyl group having 1 to 8 carbon atoms
- X represents a single bond, a sulfur atom or one CHR 1.
- R 10 represents a hydrogen atom, an alkyl group having 1 to 8 carbon atoms or a cycloalkyl group having 5 to 8 carbon atoms).
- A represents an alkylene group having 2 to 8 carbon atoms or H — COR 11 — group (R 11 represents a single bond or an alkylene group having 1 to 8 carbon atoms, and * represents that it is bonded to the oxygen side).
- R 11 represents a single bond or an alkylene group having 1 to 8 carbon atoms, and * represents that it is bonded to the oxygen side).
- Y and Y each represents a hydroxyl group, an alkoxy group having 1 to 8 carbon atoms, or an aralkyloxy group having 7 to 12 carbon atoms, and the other represents a hydrogen atom or an alkyl group having 1 to 8 carbon atoms.
- R 8 and R 9 are alkyl group having 3 to 8 carbon atoms, a cycloalkyl group having 5 to 8 carbon atoms, or an alkylcycloalkyl group having 6 to 12 carbon atoms. Or represents a C7-C12 aralkyl or phenyl group.
- two R 5 in Formula (2) may be the same as or different from each other.
- two R 6 in Formula (1) may be the same as or different from each other.
- two R 7 in the formula (2) may be identical to or different from each other.
- R G is an aliphatic group having 2 to 12 carbon atoms
- the total content of Na, Fe and Ca is 2 mass ppm or less, and the purity analysis value by gas chromatography is 99.7 mol% or more.
- RA and R B are groups selected from an alkyl group, a cycloalkyl group or an aryl group, and R A and R B may be the same or different groups.
- the polycondensate represented by the following formula (5) is characterized in that it is melt polycondensed in the presence of any of the metal elements shown in the following (a) or (b) using a carbonic acid diester represented by Method of producing carbonate
- the total diol component obtained by combining the anhydrous sugar alcohol represented by the above formula (1) and the diol represented by the above formula (3) is 1.2 to 40 parts per mole of 1 2)
- the specific viscosity (measured at a temperature of 20 with a solution of 0.7 g in methylene chloride 10 Om 1) manufactured by the method described in 1 above is 0.20 to 0.45, and C o 1 1 b Value is 5 or less.
- R 1 to R 4 each independently represent a hydrogen atom, an alkyl group, a cycloalkyl group or an aryl group
- RA and R B are groups selected from an alkyl group, a cycloalkyl group or an aryl group, and R A and R B may be the same or different groups.
- the nitrogen-containing basic compound is 50 to 500 / imo to the anhydrosugar alcohol 1 mo 1 represented by the above formula (1), and the total amount of the alkali metal element and the alkaline earth metal element 1.2 to 40 / mo 1.
- each is a group independently selected from a hydrogen atom, an alkyl group, a cycloalkyl group or an aryl group, and s represents an integer of 10 to 10000 as the number of repeating units.
- the total content of Na, Fe, and Ca in the anhydrous sugar alcohol represented by the formula (1) described in 3 above is 2 mass ppm or less, and the purity analysis value by gas chromatography is 99.7%
- the total content of Na, Fe and Ca in the carbonic diester represented by the formula (4) described in the above 3 is 2 mass ppm or less, and the purity analysis value by gas chromatography is 99.
- the polycarbonate which has a plant origin component which is 0.22 to 0.34 and whose C o 1-b value is 5 or less.
- R 4 ) to R 4 each independently represent a group selected from a hydrogen atom, an alkyl group, a cycloalkyl group or an aryl group, and R G is an aliphatic group having 2 to 12 carbon atoms, Is 0.4.t ⁇ l)
- a water-free sugar alcohol represented by the following formula (1), wherein the total content of Na, Ca and Fe is 2 mass ppm or less
- R 1 to R 4 are each independently a group selected from a hydrogen atom, an alkyl group, a cycloalkyl group or an aryl group)
- a diol represented by the following formula (3) having a total content of Na, Ca and Fe of 2 mass ppm or less is used as a diol component,
- RG is an aliphatic group having 2 to 12 carbon atoms
- R A and R B is an alkyl group, a group selected from cycloalkyl or Ariru group R A and R B may be the same or different groups.
- a method for producing a polycarbonate which comprises using the carbonic acid diester represented by 1.) as a carbonic acid component and subjecting it to melt polycondensation in the presence of a barium compound as a polycondensation catalyst.
- R to R 4 each independently represent a group selected from a hydrogen atom, an alkyl group, a cycloalkyl group or an aryl group
- R G is an aliphatic group having 2 to 12 carbon atoms
- a molded article comprising the polycarbonate as described in 10 or 11 above.
- R ′ to R 4 each independently represent a hydrogen atom, an alkyl group, a cycloalkyl group or an aryl group Group selected from
- the total content of F, Cl, Br, and I is 1.5 mass ppm or less, and the purity analysis value in gas chromatography 1 is represented by the following formula (3) which is 99.7% or more With a diol,
- R G is an aliphatic hydrocarbon group having 2 to 12 carbon atoms.
- the total content of F, C 1, B r, and I is 1.5 mass ppm or less, and the purity analysis value in gas chromatography 1 is 99.7% or more.
- R A and R B may be the same or different groups.
- the polycarbonate of the present invention is extremely useful for various applications because it is composed of a plant-derived component that is a renewable resource, has a low environmental load, and has a very good hue.
- the raw materials such as anhydrous sugar alcohol, the polycondensation method, the polycondensation catalyst, the physical properties of polycarbonate and the like common to the inventions 1 to 13 will be described.
- the anhydrous sugar alcohol of the above-mentioned formula (1) used in the present invention is dianhydride hexyl! ⁇ (S) (sometimes referred to as ether diol).
- dianhydride-containing xitols include isomannide, isoidide and isosorbide (the following formulas ((8), (9), (10)).
- dianhydrohexitols are substances that can be obtained from natural biomass and are one of the so-called renewable resources.
- isosorbide is an anhydrous sugar alcohol compound which can be easily prepared from starch and the like, and is abundantly available as a resource, and is superior in ease of production as compared with isomannide and isoideid.
- the commercial product of the anhydrous sugar alcohol of the above formula (1) may contain a stabilizer and a degraded product generated during storage, these may adversely affect the polymer quality.
- the polymer is obtained using the anhydrous sugar alcohol, it is preferable to carry out the purification again and immediately use it for the polymerization reaction.
- anhydrosugar alcohols of the above formula (1) are degraded and denatured depending on the storage conditions, and when it is used after being stored for a while after purification, it is necessary to dry it. It is preferable to use it under low temperature, light shielding and inert atmosphere.
- composition of the anhydrosugar alcohol with a cyclic phosphites stabilizer of the formula (2) It is particularly preferred to use as
- the diol component to be copolymerized is represented by the above formula (3) (hereinafter, the diol of formula (3) may be referred to as glycols), ethylene glycol, propylene glycol, 1, 3-propanediol, 1, 4 —Butanediol, 1, 5 — Pentanediol, 1,6-hexanediol, 1,7-heptanediol, 1,8-octanediol, 1,9-nonanediol, 1,10-decanediol, 1,12-dodecanediol, 1,4-cyclo Examples include xanthimethanol, neopentyl glycol and the like.
- 1, 3-propanediol (hereinafter sometimes abbreviated as 1, 3- PDO) in that it shows high polymerizability in polymer synthesis and high glass transition temperature in the physical properties of the polymer
- 1, 1, Preferred are 4-butanediol (hereinafter sometimes referred to as 1, 4-BDO) and 1, 6-hexanediol (hereinafter sometimes referred to as 1, 6-HDO), and further, plant raw materials
- 1,3-propanediol is particularly preferred in that it has a large improvement effect on melt fluidity by copolymerization.
- at least two or more of the diol components of the formula (3) may be combined.
- the purification method of the diol used in the present invention is not particularly limited.
- purification may be performed by simple distillation, rectification or recrystallization, or a combination of these techniques.
- the polycondensation reaction may be carried out without using the diol of the above formula (3) to obtain a polybasic mono-carbonate.
- the homopolymer is often poor in moldability, but is advantageous for industrial production because it uses one less raw material, and in particular, a polymer having an extremely high glass transition temperature may be obtained. It may be preferable in terms of,, etc.
- the anhydrous sugar alcohol of the above formula (1) and the diol component of the above formula (3) used in the present invention (hereinafter both may be collectively referred to as all diol components)
- the content of the organic impurities to be detected is preferably 0.3 mol% or less, more preferably 0.1 mol% or less, based on the total amount, and still more preferably 0.05 mol% or less.
- the lower limit of organic impurity content that can be maintained on an industrial scale is usually around 0.10 mol%.
- the diol components of the above formulas (1) and (3) used in the present invention have a total content of Na, Fe and Ca detected by I CP emission analysis of not more than 2 mass ppm; It is more preferable that the mass P pm or less.
- the carbonic acid diester used in the present invention is represented by the above formula (4), and examples thereof include diphenyl carbonate, ditolyl carbonate, dixylyl carbonate, bis (ethyl phenyl) carbonate, bis (methoxyphenyl) carbonate, bis (ethoxy) Phenyl) aromatic carbonate diester such as phenyl carbonate, bis (chlorophenyl) sulfonate, dinaphthyl carbonate, bis (biphenyl) sulfonate, dimethyl carbonate, fatty acid such as dimethyl carbonate, dibutyl carbonate, etc.
- Family carbonic acid diesters include diphenyl carbonate, ditolyl carbonate, dixylyl carbonate, bis (ethyl phenyl) carbonate, bis (methoxyphenyl) carbonate, bis (ethoxy) Phenyl) aromatic carbonate diester such as phenyl carbonate, bis (chlorophenyl) s
- an aromatic carbonic acid diester particularly an aromatic carbonic acid diester having 13 to 25 carbon atoms, from the viewpoint of reactivity and cost, and it is further preferable to use diphenolic acid monocarbonate. preferable.
- purification may be performed by simple distillation, rectification or recrystallization, or a combination of these techniques.
- the content of organic impurities detected by gas chromatography is 0.3 mol% or less of the total amount, preferably 0.1 mol% or less, more preferably 0. 0 Less than 5% by mole.
- the total content of Na, Fe, and Ca detected by I.sub.cP emission analysis is 2 mass p.sub.p m or less, preferably mass l p.sub.p m or less.
- a phosgene method in which mainly an alkaline aqueous solution of a dihydroxy compound and phosgene are reacted in the presence of an organic solvent, or a dihydroxy compound and a carbonic acid diester are melted in the presence of a transesterification catalyst at high temperature and high vacuum.
- a melt polycondensation method in which a polycondensation reaction is performed can be mentioned.
- the melt polycondensation method is a process that requires a transesterification catalyst and high temperature and high vacuum, but it is more economical than the phosgene method, and a polycarbonate resin substantially free of chlorine atoms is There is an advantage to be obtained.
- carbon dioxide diester 1 mol of all diol components of the total of the anhydrous sugar alcohol represented by the formula (1) and the diol component represented by the formula (3) It is preferred to use an amount of 0.9 to 1.0 mole, more preferably 0.9 to 1 .0 mole based on.
- the raw material is a composition with a stabilizer etc., it is preferable that the relationship of the above molar amount is satisfied about the net amount of each component such as anhydrous sugar alcohol.
- nitrogen-containing basic compound As a polycondensation catalyst, it is preferable to use this together with a metal compound catalyst described later.
- nitrogen-containing basic compounds include, for example, tetramethyl ammonium hydroxide (Me 4 N OH or T MAH), tetraethyl ammonium hydroxide (E ta N OH), and tetrabutyl amine.
- Ammonium hydroxide (Bu 4 N OH), benzyltrimethyl ammonium hydroxide ( ⁇ -CH 2 (Me) 3 NOH), alkyl such as hexadecyltrimethyl ammonium hydroxide, aryl, alkyl Ammonium hydroxides having aryalyl group, etc., triethlyamine, triptylamamine, dimethylpenzylamine, tertiary amine such as hexadecyldimethylamine, or tetramethylammonium poloride (Me 4 NBH 4 ), tetrapeptyl Basic properties such as ammonium pol-o-hydrode (Bu 4 NBH 4 ), tetrabutyl ammonium tetraphenyl diborate (Me 4 N BP Ph 4 ), tetraptylar ammonium tetraphenyl diborate (Bu 4 NBPh 4 ), etc. Salts, of which tetramethyl ammonium hydro
- the amount of the nitrogen-basic compound, the basic nitrogen atom is the total diol component to 1 mol, is preferably used so that the ratio of 1 X 10- 5 ⁇ 1 X 10- 3 moles, 2X 1 0_ 5 more preferably used so that the ratio of to 8 X 10_ 4 mol.
- the amount of the nitrogen-containing basic compound is less than the above range, the progress of the initial polycondensation reaction is delayed and the production efficiency is deteriorated, and the reaction system is subjected to a longer heat history, so that the formed polymer is colored. It is not desirable.
- the nitrogen-containing basic compound exceeds the above range, the foaming during the initial polycondensation reaction becomes intense, and the monomer and oligomer components in the reaction system volatilize accordingly, and the molar balance of the monomers collapses. This is not preferable because the degree of polymerization does not increase to the desired value.
- a metal compound catalyst in the production method of the present invention.
- the metal compound catalyst alkali metal alkoxides or phenoxides, alkaline earth metal alkoxides or phenoxides, nitrogen-containing basic compounds, quaternary ammonium salts, alkali metal or alkaline earth metal organic compounds Acid salts, acid or moderate boron compounds other than the above, aluminum compounds, zinc compounds, boron compounds, silicon compounds, titanium compounds, organotin compounds, lead compounds, osmium compounds, antimony compounds And zirconium compounds, manganese compounds and the like which have a catalytic ability to transesterification reaction or esterification reaction. Details of the amount of the metal compound catalyst used and particularly preferable ones will be described later.
- the production method of the present invention preferably, after pre-reacting an anhydrous sugar alcohol composition as a raw material, glycols and carbonic acid diester under normal pressure in the presence of a polymerization catalyst at normal pressure Stir while heating under vacuum at 280 ° C. under pressure to distill out phenols such as phenol or aliphatic alcohol produced.
- the reaction system is preferably maintained in an atmosphere of a gas inert to the raw material such as nitrogen and the reaction mixture. Examples of inert gases other than nitrogen include argon.
- the reaction can be advanced by removing phenols or aliphatic alcohol from the system (reactor) as appropriate. For that purpose, it is effective to reduce the pressure once the oligomerization proceeds to a certain extent.
- the conditions as low as possible are preferable in order to suppress the decomposition of the anhydrosugar alcohol and obtain a resin with little color and high viscosity, but the polymerization temperature is 180 or more to appropriately advance the polymerization reaction. It is preferable that the temperature is in the range of 280, and more preferably in the range of 230 ° C. to 270 ° C., with the highest polymerization temperature.
- the lower limit of the specific viscosity (? 7 sp ) at 20 of a solution obtained by dissolving 0.7 g of the polycarbonate in 100 ml of methylene chloride is 0.20 or more, preferably 0.2. 22 or more, and the upper limit is 0.45 or less, preferably 0.37 or less, more preferably 0.34 or less. If the specific viscosity is lower than 0.20, it will be difficult to give a molded article obtained from the polycarbonate of the present invention sufficient mechanical strength. On the other hand, when the specific viscosity is higher than 0.45, the melt flowability is deteriorated, and the melt temperature having the flowability necessary for molding becomes undesirably higher than the decomposition temperature.
- the specific viscosity (77 sp ) described above can be converted from the viscosity measured in another solvent system, for example, polycarbonate 10 to 10 ml of mixed solvent of phenol tetrachloromethane (volume ratio 50/50). From the numerical value of the reduced viscosity 7i sp / c determined by measuring the viscosity at 35 of the solution obtained by dissolving Omg with a Utterbe viscometer, it is converted by the following equation.
- the degree of polymerization of the polycarbonate of the present invention is generally 10 to 10000, preferably 30 to 5000, and more preferably 30 to 1000. Furthermore, the polycarbonate obtained by the production method of the present invention has a Col-b value showing a hue of 5 or less, preferably 3 or less.
- the polycarbonates of the present invention are used for optical media applications, electrical and electronic applications, automotive applications, industrial equipment applications, medical and security applications, sheets, films, packaging applications, miscellaneous goods applications, etc. It can be widely used in various applications.
- DVD digital versatile disc
- CD-ROM compact disc
- CD-R compact disc
- mini disc electric ⁇ electronic ⁇ OA applications for mobile phones
- PC housings battery pack cases
- industrial equipment Applications Head lamps, inner lenses, door handles, bumpers, fenders, instrument panels, panels, console boxes, cameras, electric tools, nameplates for medical and security applications, power ports, diffuse liquid crystal reflection Film, potable water tank, pachinko parts as miscellaneous goods, fire extinguisher case, etc. may be mentioned.
- injection molding, compression molding, injection compression molding, extrusion molding, blow molding or the like is used as a method of molding polycarbonate to obtain a molded product for the above applications.
- the method for producing the film may include a solvent casting method, a melt extrusion method, a calender method and the like.
- the cyclic phosphates represented by the formula (2) can be used as the raw material of the polycarbonate with respect to 100 parts by mass of the anhydrous sugar alcohol represented by the formula (1).
- a more preferable range of the content of the cyclic phosphites to 100 parts by mass of the anhydrosugar alcohol represented by the formula (1) is from 0.01 to 0.5 parts by mass, and a further preferable range is 0.003. -0.3 parts by mass.
- R 5 , R 6 and R 8 each represent a tertiary alkyl group having 4 to 8 carbon atoms
- 9 represents an alkyl group having 1 to 8 carbon atoms
- A is an alkylene group of 2 to 8 carbon atoms
- Y is a hydroxyl group
- Z is a hydrogen atom
- 6- 3- [3- (3-t-butyl-14-hydroxyl-5 —Methylphenyl) Proboxy] —2, 4, 8, 10—Tetra-t-Peptyldibenz [d, f] [1, 3, 2] Dioxaphosphepin.
- amines include, for example, trialkanolamines such as triethanolamine, dialkananolamines such as diethanolamine, monoalkanolamines such as dibutylethanolamine, 1, 3, 5- Aromatic amines such as trimethyl-2,4,6-triazine, alkylamines such as dibutylamine, polyalkylenepolyamines such as hexamethylenetetramine, and hindered amine based light stabilizers described later.
- trialkanolamines such as triethanolamine
- dialkananolamines such as diethanolamine
- monoalkanolamines such as dibutylethanolamine
- 1, 3, 5- Aromatic amines such as trimethyl-2,4,6-triazine
- alkylamines such as dibutylamine
- polyalkylenepolyamines such as hexamethylenetetramine
- hindered amine based light stabilizers described later described later.
- a long-chain aliphatic amine as described in JP-A-61-63686 a compound containing a sterically hindered amine group as described in JP-A-6-329830, and a Hinder described in JP-A-7-90270.
- Dopiperidinil-based light stabilizers, organic amines described in JP-A-7-278164 and the like can also be used.
- the content ratio of phamines to cyclic phosphates is usually about 01 to 25% by mass.
- phosphorus-based stabilizers in addition to the above-mentioned cyclic phosphites, phosphorus-based stabilizers (except those applicable to the above-mentioned cyclic phosphites), phenol-based stabilizers, meso-based stabilizers, hindered amine-based stabilizers At least one co-stabilizer selected from agents can be included.
- the preferable addition amount of the auxiliary stabilizer is 2.5 ⁇ 10 — 5 to 10 parts by mass with respect to 100 parts by mass of the anhydrous sugar alcohol of the formula (1), and the more preferable addition amount is 5 ⁇ 10 ⁇ 5-5 parts by weight, particularly preferably 1 X 10_ 4 ⁇ 2. 5 parts by weight.
- the phosphorus-based stabilizer used in the above inventions 1 and 2 includes a structure represented by the following formula (11): Stabilizers are preferred.
- R 12 and R 13 each represent a hydrogen atom or an alkyl group having 1 to 10 carbon atoms, preferably a hydrogen atom or an alkyl group having 1 to 4 carbon atoms, particularly a hydrogen atom, A methyl group, an isopropyl group, an isobutyl group, a tert-butyl group, or a tert-pentyl group is preferable. .
- R 14 is a hydrogen atom, an alkyl group having 1 to 10 carbon atoms, an alkoxy group having 1 to 10 carbon atoms, a cycloalkyl group having 6 to 20 carbon atoms, a cycloalkoxy group having 6 to 20 carbon atoms, carbon An alkenyl group having 2 to 10 atoms, an aryl group having 6 to 10 carbon atoms, an aryloxy group having 6 to 10 carbon atoms, an aralkyl group having 7 to 20 carbon atoms and the number of carbon atoms?
- a hydrogen atom, an alkyl group having 1 to 10 carbon atoms, or an aryl group having 6 to 10 carbon atoms, particularly preferably a hydrogen atom, or at least one group selected from the group consisting of Alkyl groups having 1 to 10 carbon atoms are preferred.
- the phosphorus-based heat stabilizer used in the inventions 1 and 2 above is represented by the following formulas (12), (13) and ( 14) At least one compound selected from the group consisting of:
- Preferred examples of the above formula (12) include trifenyl phosphite, tris (2,4-di-tert-butylphenyl) phosphite, tris (nonylphenyl) phosphite, in particular tris (2, 4-di-tert-butylphenyl). ) Phosphate is preferred.
- tetrakis (2, 4-di-tert-butylphenyl) mono-, 4, 4'- biphenyl di-phosphonite, tetrakis (2, 6-di-mono-tert-butylphenyl) mono-, 4-4 'Biphenylenediphosphonite, tetrakis (2,6-di-tert-butylphenyl) mono-, 4,3'-biphenyldiphosphonite, and especially tetrakis (2, 4-di-tert-butylphenyl) -4, 4 '-Biphenyl diphosphonite is preferred.
- X 2 is an alkyl group having 5 to 18 carbon atoms, preferably an alkyl group having 8 to 18 carbon atoms, and is preferably an alkyl group having 10 to 18 carbon atoms.
- the radical is particularly preferred.
- R 14 and R 15 each independently represent a hydrogen atom, an alkyl group having 1 to 8 carbon atoms, a cycloalkyl group having 5 to 8 carbon atoms, or an alkyl cycloalkyl group having 6 to 12 carbon atoms. And a C7 to C12 aralkyl or phenyl group, and R 16 represents a hydrogen atom or a C1 to C8 alkyl group.
- X is a single bond, a sulfur atom or single CHR 17 - represents a group (R 1 7 represents a hydrogen atom, an alkyl group or a cycloalkyl group having a carbon number of 5-8 having from 1 to 8 carbon atoms).
- distearyl pentrile erythritol diphosphite diisodecyl pentrile erythritol diphosphite, tridecanyl phosphite, trilauryl phosphite
- examples thereof include trioctadecyl phosphate and 2,2'-methylenebis (4,6-di-tert-butylphenyl) 2-ethylhexyl phosphite and the like.
- the various phosphorus stabilizers described above may be one or a mixture of two or more.
- the phenolic stabilizer used in the above inventions 1 and 2 is preferably a phenolic stabilizer having a structure represented by the following formula (18).
- R 18 is a hydrogen atom or an alkyl group having 1 to 10 carbon atoms, preferably a hydrogen atom or an alkyl group having 1 to 4 carbon atoms, and in particular a methyl group, a methyl group, An isopropyl group, an isobutyl group, or a tert-butyl group is preferred.
- R 19 is an alkyl group having 4 to 10 carbon atoms, preferably an alkyl group having 4 to 6 carbon atoms, and particularly preferably an isobutyl group, a tert-butyl group or a cyclohexyl group.
- R 2Q is a hydrogen atom, an alkyl group having 1 to 10 carbon atoms, an alkoxy group having 1 to 10 carbon atoms, a cycloalkyl group having 6 to 20 carbon atoms, a cycloalkoxy group having 6 to 20 carbon atoms, carbon It consists of an alkenyl group having 2 to 10 atoms, an aryl group having 6 to 10 carbon atoms, an aryloxy group having 6 to 10 carbon atoms, an aralkyl group having 7 to 20 carbon atoms, and an aralkyloxy group having 7 to 20 carbon atoms.
- p is an integer of 1 to 4, preferably 1 to 3, and particularly preferably 2.
- the stabilizer having a hindered phenol moiety used in the above inventions 1 and 2 has the following formulas (19) and (20) And at least one compound selected from the group consisting of compounds represented by and (21) is preferable.
- R 21 is a hydrocarbon group which may contain an oxygen atom having 8 to 30 carbon atoms, and a hydrocarbon group which may contain an oxygen atom having 12 to 25 carbon atoms is more preferable. In particular, a hydrocarbon group which may contain an oxygen atom having 15 to 25 carbon atoms is preferred.
- R 22 is a hydrogen atom or an alkyl group having 1 to 25 carbon atoms, preferably a hydrogen atom or an alkyl group having 1 to 18 carbon atoms, and particularly an alkyl having 1 to 18 carbon atoms Groups are preferred.
- m is an integer of 1 to 4, preferably 1 to 3, particularly preferably 2.
- k is an integer of 1 to 4, preferably 3 to 4, particularly preferably 4.
- R 23 , R 24 , R 25 and R 26 each independently represent a hydrogen atom or an alkyl group having 1 to 4 carbon atoms, preferably an alkyl group having 1 to 4 carbon atoms, Particularly preferred is a methyl group.
- 1 is an integer of 1 to 4, preferably 1 to 3, particularly preferably 2.
- Preferred examples of the above formula (19) include decayl decyl-3- (3,5-ditert-butyl-4-hydroxyphenyl) propionate.
- pentyl erythritol tetrakis [3- (3, 5-ditert-butyl-4-hydroxyphenyl) propionate] is mentioned.
- a phenol-based stabilizer used in the above-mentioned inventions 1 and 2 a phenol-based stabilizer having a structure represented by the following formula (22) is also preferable.
- R 27 is an alkyl group having 4 to 10 carbon atoms, preferably an alkyl group having 4 to 6 carbon atoms, and particularly preferably isobutyl, tert-butyl, tert-pentyl or cyclo Hexyl is preferred.
- R 28 is an alkyl group having 1 to 10 carbon atoms, preferably an alkyl group having 1 to 4 carbon atoms, and particularly preferably a methyl group, an ethyl group, an isopropyl group, an isobutyl group, or a tert-butyl group.
- R 29 and R 3Q are each independently a hydrogen atom, an alkyl group having 1 to 10 carbon atoms, an alkenyl group having 2 to 10 carbon atoms, an aryl group having 6 to 10 carbon atoms, and 7 to 20 carbon atoms
- R 31 represents a hydrogen atom, an alkyl group having 1 to 10 carbon atoms, an alkenyl group having 2 to 10 carbon atoms, an aryl group having 6 to 10 carbon atoms, an aralkyl group having 7 to 20 carbon atoms, At least one group selected from the group consisting of an optionally substituted acryloyl group and an optionally substituted metaacryloyl group, a hydrogen atom, an alkyl group having 1 to 10 carbon atoms, the number of carbon atoms?
- aralkyl group, optionally substituted aryl group, or optionally substituted acryloyl group is preferable, and in particular, a hydrogen atom, optionally substituted acryloyl group, or optionally substituted Preferred is a methaacryloyl group.
- a substituent which may be substituted by an acryloyl group or a meta-acryloyl group an alkyl group having 1 to 4 carbon atoms or an aralkyl group having 7 to 10 carbon atoms is preferable.
- 2-tert-peptyl 6- (3-tert-peptyl 2-hydroxy-5-methylbenzyl) mono 4-methylphenyl acrylate, or 2- (1-(2-hydroxy 3) , 5-di-tert-pentyl phe Nil) cetyl] a 1,4,6-di-tert-pentylphenyl acrylate and the like.
- phenol-based stabilizers include the following compounds: calcium salt of 2, 6-di-t-butyl-4-methylphenol, 3, 5-di-t-butyl-4-hydroxybenzyl phosphonic acid monoester, 3 9-1 Bis [2- (3- (3-t-butyl-4-hydroxy-5-methylphenyl) propionyloxy) -1,1-dimethylethyl-2,4,8,10-tetraoxaspiro [ 5 • 5] Undecane, N, N'-bis [3- (3 ', 5'-di-t-butyl-4, -hydroxyphenyl) propionyl) hexamethylenediamine, and the like.
- Such phenolic stabilizers may be one or a mixture of two or more.
- thio-based antioxidants include the following. Two or more of these can be used: dilauryl 3,3'-thiodipropionate, neobenzentetrayltetrakis (3-laurylthiopropionate), and the like.
- preferable hindered amine light stabilizers include, for example, the following: bis (2, 2, 6, 6- tetramethyl-4-piperidyl) sebacate, bis (1, 2, 2, 6 , 6-pendent methyl-4-piperidyl) 2-(3, 5-di-butyl-4-hydroxybenzyl)-2-butyl malonate, bis (2, 2, 6, 6-tetramethyl-4-piperidyl) Succinate, 2, 2, 6, 6-Tetramethyl 14-piperidyl methacrylate, Tetrakis (2, 2, 6, 6-Tetramethyl 14 1-piperidyl) 1, 2, 3, 4-Butanetetracarboxylate, 1, 2.
- anhydrous sugar alcohol composition of the inventions 1 and 2 may further contain, if necessary, other additives such as UV absorbers, light stabilizers other than hindered amines, peroxide scavengers, polyamide stabilizers, organic nickel complexes Excitation energy absorber represented, Carbo UV screening agents represented by metal black and titanium oxide, lead stabilizers, tin stabilizers, metal stabilizers, / 3-diketone compound stabilizers, hydroxylamine, lubricants, plasticizers Flame retardants, nucleating agents, metal deactivators, antistatic agents, pigments, fillers, pigments, antiblocking agents, surfactants, processing aids, foaming agents, emulsifiers, brighteners, calcium stearate etc.
- other additives such as UV absorbers, light stabilizers other than hindered amines, peroxide scavengers, polyamide stabilizers, organic nickel complexes Excitation energy absorber represented, Carbo UV screening agents represented by metal black and titanium oxide,
- a color improver such as 9, 10-dihydro-9-hydroxy-1-phenol-1-phosphophenanthrene-1-10-oxide, or the like, as described in U.S. Pat. No. 4,325,583, etc. It can also contain auxiliary stabilizers such as the described benzofurans and indolines.
- examples of the ultraviolet absorber include the following.
- salicylate derivatives include phenyl salicylate, 2-methyl-4,6-di-tert-butylphenyl 3, 5, 5-di-peptyl-4'-hydroxybenzoate, and mixtures thereof.
- 2-hydroxybenzophenone derivatives examples include 2,4-dihydroxybenzophenone, bis (5-benzyl-1-hydroxy-2-methoxyphenyl) methane, 2,2 ′, 4,4′-tetrahydroxybenzo Such as phenone and their mixtures.
- 2- (2'-hydroxyphenyl) benzotriazole 2- (2-hydroxy-5-methylphenyl) benzotriazole, poly (3-1 1) (ethylene glycol) and 2- (3) 1 t 1-Peptyl-2'-hydroxy-1-, 5- (2-methoxy-l-ponylethynyl) phenyl] a condensate with benzotriazole, 3- [3-t-peptyl 5- (5-chloro-2H-benzotriazole-2 --Yl) 4-hydroxyphenyl] propionic acid and mixtures thereof and the like.
- UV absorbers include the following, and two or more of these can be used:
- phenyl salicylates examples include 4-t-butylphenyl salicylate, 2- [2'-hydroxy-3,5'-bis ( ⁇ , ⁇ -dimethylpenzyl) phenyl] 12-benzotriazole and the like.
- Examples of light stabilizers other than hindered amines include the following. Photoresists such as acetyl-based light stabilizers such as cetyl- ⁇ -cyano1 / 3/3 -diphenylacrylate, ⁇ - (3)-(3-(3-chloro)-(3-chlorocyano) vinyl, 2-methylindoline, and mixtures thereof .
- Examples of nickel-based light stabilizers include nickel complexes of 2,2'-thiobis [4- (1,1,3,3-tetramethylbutyl) phenol, nickel complexes of ketoxime, and mixtures thereof.
- examples of the metal deactivator include the following. N, N '-Diphenyloxamide, N, N'-Bis (salicyloyl) thiopropionyl dihydrazide and mixtures thereof and the like.
- peroxide scavengers examples include esters of / 3-thiodipropionic acid, mercaptobenzoimidazolyl, pentaerythritol erythritol tetrakis (/ 3-dodecyl mercapto) propionate, and mixtures thereof.
- the polyamide stabilizer includes, for example, copper or divalent manganese salt of iodide or phosphorus compound, and a mixture thereof.
- examples of the hydroxy amine include N, N-dibenzyl hydroxy amine, N-heptoyl decyl-N-oxy decyl hydroxy amine, and a mixture thereof.
- neutralizing agent for example, calcium stearate, calcium hydroxide, alkaline carbonate, hydroxide and calcium hydroxide, polyurethane and mixtures thereof can be mentioned.
- lubricants include aliphatic hydrocarbons such as paraffin and wax, higher aliphatic acids having 8 to 22 carbon atoms, and higher aliphatic acid metals having 8 to 22 carbon atoms (Al, C a, M g, Z n) Salts, aliphatic alcohols having 8 to 22 carbon atoms, polydarycol, esters of higher fatty acids having 4 to 22 carbon atoms with aliphatic monohydric alcohols having 4 to 18 carbon atoms, having 8 to 2 carbon atoms Higher aliphatic amides, silicone oils, rosin derivatives and the like.
- the anhydrous sugar alcohol composition used in the above inventions 1 and 2 is a cyclic compound of the formula (2) Sulfites and other additives used if necessary, or cyclic phosphites of the above formula (2) and phosphorus stabilizers, phenol stabilizers, hydrostabilizers, hindered amine stabilizers It can manufacture by mix
- the anhydrous sugar alcohol composition used in the above inventions 1 and 2 comprises: an anhydrous sugar alcohol of the formula (1) and a cyclic phosphite of the formula (2); Alternatively, it can be manufactured by mixing in any subsequent steps.
- the form of the anhydrous sugar alcohol, cyclic phosphites, co-stabilizers, and various additives during mixing may be any of solid, melt and solution.
- the anhydrosugar alcohol of the above formula (1) is known to generate formic acid by decomposition / denaturation, and storage of the anhydrosugar alcohol and the anhydrosugar alcohol composition is started under predetermined conditions, and then sampling is appropriately carried out.
- the stability of the anhydrosugar alcohol and its composition can be assessed by conducting, making samples into aqueous solutions and monitoring their pH evolution over time.
- the anhydrosugar alcohol having a pH of 5 or more as measured by the method and the composition thereof have not progressed to a great extent, and are suitable as a polymer raw material, and more preferably a pH of 6 or more.
- the pH value of the sample solution of the anhydrosugar alcohol and the composition thereof is unlikely to exceed 9 in the above evaluation method.
- Inventions 1 and 2 described above are cyclic phosphites represented by the above formula (2) with respect to 100 parts by mass of anhydrous sugar alcohol represented by the following formula (1).
- the above-mentioned formula (A) by melt polycondensation using an anhydrous sugar alcohol composition containing 5 parts by mass, a diol (glycols) represented by the formula (3), and a diester carbonate represented by the formula (4) It is a manufacturing method of the polycarbonate represented by 5).
- the amount of metal element is less than the above range, the degree of polymerization of the resulting polymer does not increase sufficiently, which is not preferable.
- the amount exceeds the above range not only the coloring of the formed polymer becomes noticeable, but also the melt stability in the step of molding the obtained polymer and the step of mixing various additives such as various stabilizers worsens. Not desirable.
- the decrease in catalytic activity due to the coexistence of cyclic phosphites is extremely small, and cyclic phosphate is used to enhance the stability of anhydrous sugar alcohol.
- an alkali metal, magnesium for all diol components lmo 1 which is a combination of the anhydrosugar alcohol represented by the formula (1) and the diol represented by the formula (3)
- one or more metal elements selected from calcium and strontium is more preferably 1.2 to 30 tmo 1, 1.2 to 20 / mol It is more preferable that it is 1.2, It is more preferable that it is 1.2-10 mol, It is still more preferable that it is 3-10 zm o 1
- the amount of one or more kinds of metal elements selected from alkali metals, magnesium, calcium and strontium to cyclic phosphites lmo 1 represented by the above formula (2) is 0.20 to 2 3.
- Omo 1 is more preferable, and 0.20 to 1: lmo 1 is more preferable.
- the amount of the barium element relative to the total diol component lmo 1 obtained by combining the anhydrous sugar alcohol represented by the formula (1) and the diol represented by the formula (3) is 1.2 1 to 30 mo 1 is more preferable, 1. 2 to 20 wmol 1 is more preferable, 1. 2 to 10 wmo 1 is further preferable, and 1.5 to 1: l O mo 1 is more preferable.
- the amount of one or more metal elements selected from alkali metals, magnesium, calcium and strontium is more preferably 30 mo 1 or less in total with barium, and further preferably 20 tmo 1 or less It is particularly preferable that it is 10 umo 1 or less.
- the amount of the barium element with respect to the cyclic phosphates lmo 1 represented by the above formula (2) is more preferably 0.50 to 2.
- the amount of one or more metal elements selected from alkali metals, magnesium, calcium and strontium is more preferably 2 mol or less in total amount with barium, and still more preferably 1 mol or less.
- first and second inventions it is preferable to use a nitrogen-containing basic compound as described above in combination as a polycondensation catalyst in the first and second inventions.
- the melt polycondensation is carried out in the presence of the above-mentioned nitrogen-containing basic compound, and an alkali metal element and / or an alkaline earth metal element.
- these are reaction systems at the start of or during the melt polycondensation reaction.
- it may be used in advance in the diol or carbonic diester used as the raw material.
- these hydroxides, inorganic salts such as carbonates and hydrogencarbonates, alkoxyls, phenoxides, organic Acid salts, boron-containing compounds, etc. may be added to the reaction system, but among them, hydroxides, carbonates, hydrogencarbonates, methoxides, phenoxides, 2, 2-bis (4-hydroxyphenyl) of these hydroxides.
- Propane salt, acetate is reactive, finally It is particularly preferable in terms of the influence on the quality of the obtained molded product, the cost, the hygiene and the like.
- a diol containing an alkali metal element and a no or alkaline earth metal element when used, a reducing agent containing an alkali metal or an alkaline earth metal in the above-mentioned diol for the purpose of improving storage stability, an antioxidant Agent, oxygen scavenger, light stabilizer, antacid, metal deactivator, etc., the amount of metal element per mole of the above-mentioned anhydrous sugar alcohol and per mole of cyclic phosphates is What falls within the scope may be used which contains at least one additive selected from these.
- sodium borohydride, sodium hydroxide, potassium hydroxide, sodium carbonate, potassium carbonate, sodium metaborate, disodium phosphate and the like are particularly preferable in terms of the effect of improving the storage stability of the diol and the cost.
- transesterification reactions are also carried out with aluminum compounds, zinc compounds, silica compounds, titanium compounds, tin compounds, lead compounds, osmium compounds, antimony compounds, zirconium compounds, manganese compounds, etc.
- aluminum compounds zinc compounds, silica compounds, titanium compounds, tin compounds, lead compounds, osmium compounds, antimony compounds, zirconium compounds, manganese compounds, etc.
- these compounds may be used in combination with the above-mentioned alkali metal compounds and alkaline earth metal compounds, but when used in large amounts, they have reactivity, influence on molded product quality, and hygiene. Problems may arise in terms of etc.
- n in the above-mentioned formula (5) Is the ratio of the number of moles of repeating units derived from the anhydrosugar alcohol of the formula (1) to the number of moles of repeating units of all diol components in the polymer chain, 1 or 0.6 ⁇ n ⁇ 0.9 It is. Therefore, n-1 is the ratio of the number of moles of repeating units derived from the diol component of the formula (3) to the number of moles of repeating units of all diol components in the polymer chain.
- n in the above formula (5) is smaller than 0.6, the glass transition temperature and the heat resistance of the obtained resin become unfavorably low. If it is larger than 0.9, the melt flowability may be high and it may be difficult to secure the flowability necessary for forming.
- n l, that is When the repeating units of all the diol components in the polymer chain consist only of repeating units derived from the anhydrosugar alcohol component of the formula (1), there may be difficulties in forming as described above, but In particular, it is preferable in view of obtaining a polymer having a high glass transition temperature.
- the following formula (6) is obtained by melt polycondensation of the anhydrosugar alcohol represented by the formula (1) and the carbonic diester represented by the formula (4). To produce poly-one-pone mushrooms having plant-derived components.
- the polymerization degree of the polybasic mononate of the present invention is generally 10 to 10000, preferably 30 to 5000, and more preferably 30 to L 000.
- the nitrogen-containing basicity described above with respect to 1 mol of anhydrous sugar alcohol represented by the above formula (1) is used.
- the compound is 50 to 500 mol, preferably 100 to 500 uo 1, and the alkali metal element and the alkaline earth metal element in a total amount of 1.2 to 40; mol, preferably 1.2 to 30 / It is important to carry out the melt polycondensation in the presence of mo 1, more preferably 1.2 to 20 wmo 1, particularly preferably 1.2 to 10 / mo 1.
- tetramethyl ammonium hydroxide is particularly preferable.
- the degree of polymerization of the resulting polymer does not increase sufficiently, which is not preferable.
- the above range is exceeded, not only the coloration of the produced polymer becomes remarkable, but also the melt stability in the step of molding the obtained polymer and various additives such as various stabilizers is deteriorated.
- lithium, sodium, and potassium are preferred in terms of cost, activity as a polymerization catalyst, and effects on decomposition and coloring of the resulting polymer.
- Cesium, calcium and barium are preferred, and these may be used alone or in combination of two or more.
- the above-mentioned nitrogen-containing basic compound, and alkali metal elements and Melt polycondensation is carried out in the presence of an alkaline earth metal element, and these may be present in the reaction system at the start of the melt polycondensation reaction or during the reaction, and the above-mentioned diol used as a raw material Or what is previously contained in carbonic acid diester may be used.
- these hydroxides, inorganic salts such as carbonates and hydrogencarbonates, alkoxyls, phenoxides, organic acid salts Boron-containing compounds and the like may be added to the reaction system, but among these, hydroxides, carbonates, hydrogencarbonates, methoxides, phenoxides, and 2-bis (4-hydroxyphenyl) propane salts Acetate is particularly preferable in terms of reactivity, impact on the quality of the finally obtained molded product, cost, hygiene and the like.
- sodium borohydride, sodium hydroxide, potassium hydroxide, sodium carbonate, potassium carbonate, sodium metaborate, sodium phosphate and the like are particularly preferable in terms of the effect of improving the storage stability of the diol and the cost.
- the polycarbonate obtained by the production method of the inventions 8 and 9 is represented by the formula (7), and the molar ratio of the repeating unit derived from the anhydrous sugar alcohol of the formula (1) in the repeating units of all the diol components
- a more preferable range of t is 0.6 or more and 0.9 or less, and a particularly preferable range is 0.6 or more and 0.8 or less.
- a barium compound is used as a polycondensation catalyst.
- the polymerization rate under the same polymerization conditions is significantly higher than when using the most common sodium compound, and there are impurities and additives that lower the catalytic activity. But there is a feature that it is hard to be affected.
- the barium compound examples include barium hydroxide, barium carbonate, barium hydrogen carbonate, barium acetate, and barium stearate.
- a basic barium compound such as barium hydroxide, barium carbonate and barium acetate from the viewpoint of reactivity and cost, and furthermore, it is a stability and a weak base, and it is comparative even in case of any physical contact.
- Barium carbonate and barium acetate are particularly preferred in terms of safety.
- barium compounds may be used alone or in combination of two or more, and even if these barium compounds are used in combination with the above-mentioned nitrogen-containing basic compounds or metal compounds other than barium. Good. Among these, it is more preferable to use in combination with the nitrogen-containing basic compound, and it is particularly preferable to use tetramethyl ammonium hydroxide.
- the amount of the polycondensation catalyst of the barium compound, the total diol component per mol is preferably from 1 X 10 7 to 1 X 10_ 5 mols as bar helium element, 1 X 1 0 one 7 ⁇ 5 X More preferably, it is in the range of 10 to 6 moles.
- the total content of Na, Ca and Fe is 10 mass ppm or less, more preferably 7 mass ppm or less, particularly preferably 3 mass ppm or less. .
- the total content of Na, Ca and Fe exceeds this range, coloring becomes remarkable, and there are problems such as deterioration in melt stability and hydrolysis resistance, which is not preferable.
- Na, Ca and Fe are easily contaminated from the materials of the production facilities and the like, and are contained in the commercial product of the anhydrous sugar alcohol of the above-mentioned formula (1).
- the total content of Na, Ca, and Fe in the polymer is preferably as low as possible, but if it is intended to be 0 mass ppm, it is accompanied by a significant increase in cost and a decrease in production efficiency to prevent contamination and the like. There is a fear.
- the lower limit of the total content of Na, Ca and Fe in the polymer that can be reached while maintaining the productivity is about 3 mass ppm. It should be noted that the total content of Na, Ca, and Fe in the polymer may be determined accurately or simply by using an ICP (inductively coupled plasma) emission analyzer or an ICP mass spectrometer. Preferred.
- the polycarbonates of the above inventions 10 and 11 have the structure represented by the above formula (5), and contain F (fluorine), C 1 (chlorine), B r (bromine) and I (iodine) in the polymer
- the total amount (hereinafter sometimes abbreviated as halogen content) is 2 ppm by mass or less, preferably 1.5 mass ppm or less.
- halogen content is 2 ppm by mass or less, preferably 1.5 mass ppm or less.
- C 1 is more likely to be incorporated as an impurity than other halogen elements because the natural abundance is also large and the contained compounds are used for various applications.
- n in the formula (5) is 1, or 0.6 ⁇ n ⁇ 0.9.
- n is smaller than 0.6, the glass transition temperature and heat resistance of the resulting resin are unfavorably lowered. If it is larger than 0.9, the melt flowability may be high and it may be difficult to secure the flowability necessary for molding. More preferable as the range of n in the formula (5) is 0.65 ⁇ n ⁇ 0.85.
- n 1, that is, the repeating unit of all diol components in the molecular chain of the polymer of the above formula (5) consists only of repeating units derived from the anhydrosugar alcohol component of the above formula (1)
- the content of organic impurities detected from gas chromatography is 0.3 mass% or less, and preferably Is not more than 0.1%, more preferably not more than 0.05% by mass.
- the total content of F, Cl, Br, and I detected by ion chromatography is not more than 1.5 mass ppm, preferably not more than 1 mass ppm.
- the carbonic acid diester of the formula (4) to be used has an organic impurity content detected by gas chromatography of 0.3% by mass or less, preferably 0.1% or less, and more preferably 0.1% by mass or less. It is not more than 0.5 mass%.
- ion black The total content of F, C 1, B r, and I detected by the chromatography method (IC method) is 1.5 mass ppm or less, preferably 1 mass ppm or less.
- Nitrogen basic compounds (ii) alkali metal compounds and (ii 1) alkaline earth metal compounds. These may be used alone or in combination of two or more, but (1) and (ii), (i) and U ii), (i) and (ii) and (iii) It is particularly preferable to use a combination of
- tetramethyl ammonium hydroxide i) is preferably a sodium salt, and it is particularly preferable to use a 2, 2-bis (4-hydroxy phenyl) propane ninatrium salt.
- the preferred use amount of the nitrogen basic compound of (i) as a polycondensation catalyst is as described above.
- the total addition amount as the alkali metal element and the alkaline earth metal element is 0 to 1 X 10_ per 1 mol of the raw material diol compound. It is preferably in the 5 mols, more preferably in the range of 0-5X 10- 6 mole.
- UV- V I S RECORD I NG SPECTROPHOTOMETER manufactured by Shimadzu Corporation
- 0.34 of methylene chloride was added to and dissolved in 0.95 g of the polymer, and the wavelength was
- the isosorbide used in this example unless otherwise indicated After purification by distillation to a purity of 99.9 mol% and a total content of Na, Ca and Fe of less than 1 mass ppm (as determined by ICP emission analysis), the mixture was ⁇ 35 ° C) The stored one was used. 1, 3-propanediol, 1, 4-butanediol, 1, 6-hexanediol, manufactured by Wako Pure Chemical Industries, Ltd., purity 99.9 mol%, total content of Na.Ca, Fe less than 1 mass ppm ( The thing of (It measured by I CP luminescence analysis) was used. The diphenolic acid monocarbonate used was manufactured by Teijin Chemicals Ltd.
- the stability of the isosorbide and isosorbide compositions was evaluated by preparing a 40 wt% aqueous solution of the sample and measuring its pH (using a Horiba B-212 pH meter).
- the specific viscosity of the polymer was determined by measuring the viscosity at 2 Ot: of a solution of 0.7 g of polycarbonate dissolved in 100 ml of methylene chloride.
- isosorbide 100 g (Ca content 0.1 mass ppm (isosorbide lmo 1 0.43 umo 1, for all diol components under the following polymerization conditions 0.26 mo 1)
- Other alkaline earths Metalloids, magnesium and alkali metals were not detected), and dissolved in acetone to make a 500 mL solution. While stirring this solution, it is a cyclic phosphites stabilizer 6- [3- (3- (1-t-peptyl 4-hydroxy-) 5-me).
- the above isosorbide composition 6 1.45 g (0.42 mol), 1,3-propanediol 1 3.70 g (0.18 mo 1) and diphenyl carbonate 1 28. 53 g (0.6 mol 1) is placed in a three-round flask, and sodium is added as a polycondensation catalyst to 6.10 ii o 1 per 1 mol of all diol components and 0. 032 mo 1 to 1 mol of the above cyclic phosphate stabilizers. the amount of 2 consisting, 2- bis (4-hydroxyphenyl) propane disodium salt (0. 5mg, 1. 8 X 1 0- 6 mo 1) a, and tetramethylammonium Niu arm hydroxide (16. 4 mg Add 1.
- the catalyst in the polycondensation reaction is not a 2, 2-bis (4-hydroxyphenyl) propane disodium salt, and barium is 1.5 tmo 1 relative to the total diol component lmo 1 and the cyclic phosphites stabilizer lmo the amount of hydroxyl barium octahydrate as a 0. 008 lmo 1 against 1 (0. 28mg, 0. 9 X 1 0- 6 mo l) except that the was performed in the same manner as in example 1. The results are shown in Table 1.
- the catalyst used in the polycondensation reaction is not sodium 2,2-bis (4-hydroxyphenyl) propane disodium salt, norium is 3.0 ° to the total diol component lmo 1 and the cyclic phosphite stabilizers lmo
- the procedure was carried out in the same manner as in Example 1 except that barium hydroxide octahydrate (0.57 mg, 1.8 ⁇ 10 ′ ′ 6 mo 1) was used in an amount of 0.10 mo 1 to 1 part 1. Results Is shown in Table 1.
- Example 2 The same operation as in Example 2 was carried out except that 1,6-hexanediol was used in the same number of moles instead of 1,3-propanediol. The results are shown in Table 1.
- the amount of 2, 2-bis (4-hydroxyphenyl) propane disodium salt used as a catalyst in the polycondensation reaction, sodium is 2 mo 1 per 1 all diol component lmo 1 and the cyclic phosphites stabilizer lmo 1
- the same operation as in Example 1 was carried out except that the amount to be 0.10 lmo 1 and 0.16 mg (6.0 x 1 (T 7 mol)) were obtained. table 1 .
- isosorbide 100 g (Ca content 0.1 mass ppm (0.43 x mo 1 per isosorbide lmo 1), other alkaline earth metals, magnesium and alkali metals are not detected) in acetone Dissolve to a solution of 500 mL.
- the catalyst in the polycondensation reaction is not a 2, 2-bis (4-hydroxyphenyl) propane disodium salt, but barium is 1.5 per 1 isosorbide lmo 1 to the cyclic phosphites stabilizer lmo 1 against and 0. 0058mo 1 to become the amount of water barium octahydrate except that the (0. 284mg, 0. 9X 10 one 6 mo l) was carried out analogously to example 8. The results are shown in Table 2.
- the catalyst used in the polycondensation reaction is not a 2, 2-bis (4-hydroxyphenyl) propane disodium salt, but barium is isosorbide lmo 1 3. Owmol 1 and the cyclic phosphites stabilizer lmo 1
- the procedure was carried out in the same manner as in Example 8 except that the content was changed to barium hydroxide octahydrate (0.57 mg, 1.8 ⁇ 10 6 mol) in such an amount that the amount was 0.11 lmo 1.
- the results are shown in Table 2.
- the addition amount of -2,4,8,10-tetra-t-butyldibenz [d, f] [1, 3, 2] dioxaphosphepin is set to be 0. 0035 parts by mass (cyclic phosphites stabilizer 1 mo 1 to 1
- the amount of Ca derived from isosorbide (0.4047 moles) and the amount of 2, 2-bis (4-hydroxyphenyl) propane ninatrium salt used as a catalyst in the polycondensation reaction are 0.25 mg (9. 9 mg).
- Example 8 except that OX 10 _ 7 mo 1), sodium is an amount of 3.0 tmo 1 to isosorbide lm o 1 and 0.01 lmo 1 to 1 mo 1 of the cyclic phosphate stabilizers described above. The same operation was performed. The results are shown in Table 2.
- the diphenyl alkane monophosphate used in this example is a product of Teijin Chemicals, tetramethyl ammonium hydroxide, methylene chloride, barium hydroxide octahydrate and lithium hydroxide.
- the one manufactured by Wako Pure Chemical Industries, Ltd. was used.
- the 2,2-bis (4-hydroxyphenyl) propane disodium salt was prepared from 2,2-bis (4-hydroxyphenyl) propane according to a conventional method.
- the diol component isosorbide five types (hereinafter referred to as “lots A to E”) having different alkali metal and alkaline earth metal component contents manufactured by Rocket were single-distilled once. One of the things (lot S) was used. Al-Flyri-metal and Al-fly earth metal components were not detected in the ICP emission analysis from diphenol carbonate and lot S of isosorbide.
- the specific viscosity of the polymer was determined by measuring the viscosity at 20 of a solution of 0.7 g of polycarbonate dissolved in 100 ml of methylene chloride.
- the amount of isosorbide used, the amount of nitrogen-containing basic compound, the catalyst compound, and the raw material isosorbide was changed as shown in Table 3. The same operation as in Example 12 was performed except for the following. The results are shown in Table 3.
- the catalyst compound in Example 17, lithium hydroxide was used instead of 2,2 bis (4-hydroxyphenyl) propane disodium salt, and in Example 18, the barium hydroxide water was used. I used a Japanese style. In Example 19, no catalyst compound was added.
- the isosorbide used in this example is a rocket company or Sanko Chemical Co., Ltd.
- the diphenyl mono-ponate is a Teijin Chemicals company tetramethyl ammonium hydroxide, 1, 3-propanediol (1, 3-PDO), phenol As tetrachloroethane, barium hydroxide octahydrate and barium carbonate, those manufactured by Wako Pure Chemical Industries, Ltd. were used.
- the 2,2-bis (4-hydroxyphenyl) propane disodium salt was prepared from 2,2-bis (4-hydroxyphenyl) propane according to a conventional method.
- the specific viscosity of the polycarbonate resin and the molded article was first determined by using the reduced viscosity sp / c as the polycarbonate resin composition per 10 ml of the mixed solvent of phenol Z tetrachloromethane (volume ratio 50 50).
- the viscosity of the solution obtained by dissolving 2 Omg at 35 was determined from the result of measurement with a Ude Rove viscometer (d LZg unit), and the value of this reduced viscosity was converted according to the following conversion formula I asked.
- SP is a specific viscosity as determined by measuring the viscosity at 20 ° C. of a solution of 0.7 g of polycarbonate dissolved in 100 ml of methylene chloride.
- the Na, C a and F e contents of the raw material isosorbide and polycarbonate resin composition are precisely weighed in a platinum dish and the sample is incinerated with concentrated sulfuric acid, and then the ash content is diluted with hydrogen sulfate. , And dissolved in dilute nitric acid, and evaluated by conducting an ICP emission analysis (Varian VI STA MP- X (multi-type)).
- Isosorbide (Rocket) (6 1. 38 g, 0.42 mo 1) single-distilled once, 1, 3-propanediol (1 4. 38 g, 0.1 9 mo 1) and diphenolic power one Poneto (1 28. 5 3 g, 0. 6mo 1) was placed in a three Rrofurasuko, barium carbonate as Juchijimigosawa medium (0. 059 2mg, 3 X 1 0- 7 mo 1) and tetramethylammonium Niu arm hydroxy de (5. 47mg, 6. 0 X 1 0- 5 mo l) were added nitrogen Kiri ⁇ care under 1 801: melted at.
- the pressure in the reaction vessel was reduced to 10 O mmHg (13.33 kPa), and reaction was carried out for about 20 minutes while distilling off the phenol formed. Then, after raising the temperature to 200 V., the pressure was reduced to 3 O mmHg (4.00 kPa) while distilling off phenol. Further, the pressure was raised to a final pressure of 250 and reacted under the condition of 0.8 mmHg (0.11 kPa). At 250, when it reaches 0.8 mm Hg (0.11 k P a) The point was 0 minutes, and after 10 minutes, it was sampled, and this sample was used for analysis and measurement to obtain various physical property values. The results are shown in Table 4.
- Isosorbide used in this example is a rocket company or Sanko Chemical Co., Ltd.
- diphenyl carbonate is a Teijin Chemical Company
- phenol, tetrachloro ethane used was Wako Pure Chemical Industries.
- the 2,2-bis (4-hydroxyphenyl) propane disodium salt was prepared from 2,2-bis (4-hydroxyphenyl) propane according to a conventional method.
- the specific viscosity of the polybasic resin and molded article was first determined by using a reduced viscosity of 7? Sp / c as a mixed solvent of phenol tetrachloromethane (volume ratio 50/50) 10 m.
- the viscosity at 35 of a solution obtained by dissolving 12 Omg of polycarbonate resin composition in L is determined from the result of measurement with a Ude Rove viscometer (dLZg unit), and the value of this reduced viscosity is converted as follows Calculated by the formula.
- sp is the specific viscosity as determined by measuring the viscosity at 20 of a solution of 0.7 g of polycarbonate dissolved in 100 ml of methylene chloride.
- the appearance / hue evaluation was visually performed using a molded piece obtained by molding a polycarbonate produced by a polycondensation reaction with an injection molding machine (PS-type injection molding machine manufactured by Nissei Resin Co., Ltd., PS 20).
- Isosorbide (Rocket) (23. 38 g, 0.16 mo 1), 1, 3-propanediol (3. 043 g, 0. 04 mo 1), and diphenolic acid monopoate (42 Put 84 g, 0.2 mo 1) in a flask and use 2-, 2-bis (4-hydroxyphenyl) propanedisodium salt (2. 723 g, 1.0 X 1 ( 8 mo 1) as a polymerization catalyst. and tetramethylammonium Niu arm hydroxide (0. 3646mg, 4. 0 X 10- 6 mo 1) was melted at at nitrogen atmosphere under 180 added. ⁇ , the reaction vessel l O OmmHg (13.
- Example 22 The procedure of Example 22 was repeated except that 1, 4-propanediol was used in the same molar amount instead of 1, 3-propanediol. The results are shown in Table 5.
- Example 22 The procedure of Example 22 was repeated except that 1,6-propanediol was replaced by 1,6-hexanediol in the same molar amount. The results are shown in Table 5.
- Example 22 The procedure of Example 22 was repeated except that isosorbide manufactured by Sanko Kagaku Co., Ltd. was used without purification by distillation. The results are shown in Table 5.
- the halogen content is a value measured by means of an open mouth matograph.
- Example 25 The procedure of Example 25 was repeated except that the total content of F, C and Br and I was 0.2 mass ppm and isosorbide was used. The results are shown in Table 6.
- the polycarbonate obtained by the manufacturing method of the present invention is used in various applications such as optical media applications, electrics / electronics / OA fields, automobiles / industrial equipment applications, medical applications, security applications, sheets / films, packaging applications, and miscellaneous goods applications. It can be used.
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Abstract
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US12/681,555 US8268953B2 (en) | 2007-10-04 | 2008-09-30 | Polycarbonate containing plant-derived component and process for the preparation thereof |
KR1020107009598A KR101522053B1 (ko) | 2007-10-04 | 2008-09-30 | 식물 유래 성분을 갖는 폴리카보네이트 및 그 제조 방법 |
CN2008801189884A CN101883808B (zh) | 2007-10-04 | 2008-09-30 | 具有植物来源成分的聚碳酸酯及其制备方法 |
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JP2007262049A JP2009091418A (ja) | 2007-10-05 | 2007-10-05 | 植物由来成分を有するポリカーボネートおよびその製造方法 |
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US8268953B2 (en) | 2012-09-18 |
US20100216914A1 (en) | 2010-08-26 |
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CN101883808B (zh) | 2013-01-16 |
KR20100068475A (ko) | 2010-06-23 |
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