WO2006057066A1 - ポリプロピレン及び該ポリプロピレンの電気材料への応用 - Google Patents
ポリプロピレン及び該ポリプロピレンの電気材料への応用 Download PDFInfo
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- WO2006057066A1 WO2006057066A1 PCT/JP2004/017902 JP2004017902W WO2006057066A1 WO 2006057066 A1 WO2006057066 A1 WO 2006057066A1 JP 2004017902 W JP2004017902 W JP 2004017902W WO 2006057066 A1 WO2006057066 A1 WO 2006057066A1
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- Prior art keywords
- polypropylene
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Classifications
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
- C08F110/00—Homopolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond
- C08F110/04—Monomers containing three or four carbon atoms
- C08F110/06—Propene
-
- 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
- C08J5/18—Manufacture of films or sheets
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L23/00—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers
- C08L23/02—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers not modified by chemical after-treatment
- C08L23/10—Homopolymers or copolymers of propene
-
- 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
- C08J2323/00—Characterised by the use of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Derivatives of such polymers
- C08J2323/02—Characterised by the use of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Derivatives of such polymers not modified by chemical after treatment
- C08J2323/10—Homopolymers or copolymers of propene
- C08J2323/12—Polypropene
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2205/00—Polymer mixtures characterised by other features
- C08L2205/02—Polymer mixtures characterised by other features containing two or more polymers of the same C08L -group
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2205/00—Polymer mixtures characterised by other features
- C08L2205/02—Polymer mixtures characterised by other features containing two or more polymers of the same C08L -group
- C08L2205/025—Polymer mixtures characterised by other features containing two or more polymers of the same C08L -group containing two or more polymers of the same hierarchy C08L, and differing only in parameters such as density, comonomer content, molecular weight, structure
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2205/00—Polymer mixtures characterised by other features
- C08L2205/03—Polymer mixtures characterised by other features containing three or more polymers in a blend
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2308/00—Chemical blending or stepwise polymerisation process with the same catalyst
Definitions
- the present invention relates to an electrical material, in particular, polypropylene suitably used for applications requiring high electrical insulation, a polypropylene sheet obtained from the polypropylene, a stretched film formed by stretching the sheet, an unstretched film, and the above-mentioned
- the present invention relates to an electronic material transfer device formed by injection-molding polypropylene.
- polypropylene Due to its excellent electrical insulation properties, polypropylene has been used as a raw material for a wide range of electrical materials in a wide variety of states. For example, high-purity polypropylene with very few catalyst-derived impurities has been applied to high-performance capacitors as a thin film or film of 20 ⁇ m or less, recently 5 ⁇ or less. (For example, JP-A-6-236709)
- the inventors have found that the electrical properties of the molded product obtained from polypropylene are different between product lots, or even within a lot. Sampling points (for example, when the electric material is a stretched film, are identical for measurement). The location of the film to be partly cut out) was examined to see if it could fluctuate, and measures to eliminate such fluctuation were traced back to polypropylene, the raw material.
- the use of polypropylene for electrical materials that simultaneously satisfies the following requirements [1] to [3] solves the above-mentioned problems, and achieves a high level of electrical insulation characteristics with substantial fluctuation width between production lots or within lots.
- the present inventors have found that polypropylene for electric materials can be obtained that is reduced to zero.
- the firing residue is 50 ppm by weight or less with respect to polypropylene
- the titanium content and iron content detected from the firing residue is 1 ppm by weight or less and 0.1 ppm by weight or less with respect to polypropylene, respectively
- the chlorine content is 5 with respect to polypropylene. Weight ppm or less.
- a preferred form of the polypropylene (R) of the present invention is a polypropylene that satisfies the following requirement [4] in addition to the above requirements [1], [2] and [3], and more preferred forms are requirements [1] to In addition to [4], this polypropylene also satisfies the following requirement [5].
- the integrated elution amount measured up to 110 ° C is 30% by weight or less and the integrated elution amount measured up to 100 ° C is 7.0% by weight or less.
- Mz / Mn determined by GPC is 15 or more and Mw / Mn is 5 or more.
- the present invention is obtained by subjecting the polypropylene (R) to heat melting, extruding, and slow cooling. Relates to polypropylene sheet (S) above 0.15.
- the present invention further relates to a stretched film (F) obtained by stretching the polypropylene sheet (S).
- a preferred embodiment of the stretched film (F) is a capacitor film (F ′).
- the present invention also relates to an unstretched film (F ”) obtained by heating and melting the polypropylene (R) and extruding it.
- the present invention relates to an electronic material conveying device (A) formed by injection molding of the polypropylene (R).
- A an electronic material conveying device formed by injection molding of the polypropylene (R).
- the polypropylene (R) of the present invention is a polypropylene for electrical materials that simultaneously satisfies the following requirements [1] to [3].
- the firing residue is 50 ppm by weight or less with respect to polypropylene
- the titanium content and iron content detected from the firing residue are 1 ppm by weight or less and 0.1 ppm by weight or less with respect to polypropylene, respectively
- the chlorine content is with respect to polypropylene. 5 ppm by weight or less.
- the polypropylene (R) of the present invention is a crystalline polypropylene, and is a propylene homopolymer or a copolymer of propylene and ethylene or fluorene having 4 to 20 carbon atoms.
- propylene, ethylene, and ⁇ -olefin having 4 to 20 carbon atoms may be collectively referred to as “monomer”.
- the a-olefin having 4 to 20 carbon atoms may be 1 -Butene, 1-pentene, 1-hexene, 4-methyl_1_pentene, 1-octene, 1-decene, 1-.dodecene, 1-tetradecene, 1-hexadecene, 1-octadecene, 1-eicosene Etc.
- ⁇ -olefin having 4 to 10 carbon atoms is preferable.
- These olefins may form a random copolymer with propylene or may form a block copolymer.
- the total content of these structural units derived from ethylene or fluoroolefin is 5 mol% or less, preferably 2 mol% or less in polypropylene.
- the MFR (ASTM D-1238, 230 ° C, load 2.16 kg) of the polypropylene (R) of the present invention is 0.:! To 30 g / 10 min.
- the range of 0.5 to 10 g / 10 min, more preferably 1 to • 8 g / 10 min, and particularly preferably 1.5 to 5.0 g / 10 min is preferable for the use of a biaxially stretched film.
- the MFR is in the range of 10 to 30 g / 10 minutes, it is preferable for injection molding of high-strength molded articles such as electronic material conveying instruments.
- the value of polypropylene, "C-NMR P mmmm in the spectrum, the following formulas absorption intensity of P w (Eq- 1) by meso pentad fraction obtained in the present invention [M 5] is 0.90 to 0.99, preferably 0.920 -0.990, more preferably in the range of 0.932 to 0.990.
- the firing residue of the polypropylene of the present invention is desirably 50 ppm by weight or less, preferably 30 ppm by weight or less, based on polypropylene.
- the titanium content detected from the firing residue (sometimes referred to as “ash” in the following description) is 1 ppm by weight or less, preferably 0.5 ppm by weight or less based on polypropylene.
- the iron content detected from the firing residue is 0.1 wt ppm or less with respect to polypropylene. Preferably it is 0.05 weight p.pm or less.
- the chlorine content detected from the firing residue is characterized by 5 ppm by weight or less, preferably 3 ppm by weight or less, relative to polypropylene.
- the polypropylene content of the polypropylene is maintained by maintaining the iron concentration at 0.1 wt ppm or less, preferably 0.05 wt ppm or less, despite the same firing residue, titanium, and chlorine content.
- Such a polypropylene is suitably used as a raw material sheet for a capacitor film or a raw material resin for a capacitor film because it provides excellent electrical insulation properties with good reproducibility.
- the moldability of polypropylene showing such a wide molecular weight distribution is 3 crystals when the extruded product is slowly cooled (the 3 crystal fraction using the polypropylene of the present invention is 0.15 or more as described later). Since a large amount is produced, a roughened fine frame can be obtained by stretching in a specific temperature range.
- Mw / Mn can be 5 or more and Mz / Mn can be 15 or more. That is, the production method of the polypropylene (R) of the present invention is not limited at all as long as it satisfies the requirements described in the claims of the present application.
- high-performance magnesium chloride-supported titanium-based catalysts or transitions of Group 4 metals such as zirconium and titanium Polymerization is preferably performed using a catalyst system in which a metal metallocene compound, an organometallic compound, and an organoaluminum compound are combined.
- the polypropylene produced under the polymerization conditions as described above is usually subjected to post-treatment such as decomposition or removal of the catalyst remaining in the polypropylene, and can be made into the polypropylene of the present invention.
- post-treatment such as decomposition or removal of the catalyst remaining in the polypropylene
- the method described in Japanese Patent Application Laid-Open No. 6-236709 which has been filed by the applicant of the present application and already published, can be employed as it is. That is, it can be produced by a method in which the catalyst residue is dissolved with alcohol, glycol or the like, washed with a hydrocarbon compound or washed with water, and further heat treated with an epoxy compound.
- the amount of iron in polypropylene can be reduced in proportion to the amount of fired residue up to a concentration of 1 ppm by weight by the above-mentioned post-treatment method, but in order to control the amount of iron remaining in a region below 1 ppm by weight. In this case, it is possible to achieve 0.1 ppm by weight or less by carrying out strict process control so that iron or a compound derived from iron does not enter the entire polymerization system of the catalyst preparation process or the polymerization process. For example, pay sufficient attention to contamination from polymer materials containing iron components, crushers and powders made of iron materials.
- the crude polypropylene is heated to a melting point or higher in the presence of a solvent in the presence of a solvent, and then brought into a molten state. Needless to say, it may be less than ppm by weight, but it is not suitable for production of large-scale molded products.
- the volatile matter for example, the amount of weight loss when a sample of about 1Og is kept at 110 ° C ⁇ 2 ° C and treated in a nitrogen stream of 1 NL / min for 60 minutes
- Polypropylene suitable for applications such as transportation of electronic materials can be obtained by devising such that the content is 100 ppm by weight or less, particularly 10 ppm by weight or less.
- the polypropylene (R) of the present invention has an integrated elution amount measured up to 110 ° C. by the CFC method of 30% or less, preferably 27% or less, more preferably 25% or less. Further, the integrated amount of elution measured up to 100 ° C. by the CFC method is 7.0% or less, preferably 6.0% or less, and more preferably 5.0% or less. Within this range, the anti-blocking property, slip property, dimensional stability, rigidity at high temperature, appearance of the film, especially when the film is stored for a long time, are improved. In addition, the electrical properties as a capacitor film, especially the breakdown voltage, are improved. In addition, the amount of oil-impregnated capacitor parts that dissolves into the oil may be reduced, making a significant contribution to the long-term stability of electrical characteristics. .
- Polypropylene (R) having the above properties is extruded by heating and melting at 170 to 280 ° C, preferably 190 to 230 ° C, air-cooled or 60 ° C or more, preferably 70 ° C or more, more preferably 90 to nO °.
- the resulting crystal has a tricrystal fraction of 0.15 or more, preferably 0.17 or more, and more preferably 0.18 to 0.50.
- This i3 crystal fraction value is a value of polypropylene not containing a tricrystal nucleating agent.
- the catalyst for producing the polypropylene of the present invention that is suitably used for electrical material film applications is not particularly limited, but in order to achieve efficient production, it is usually a multistage polymerization. Is often adopted. That is, the polymerization of propylene may be carried out in two or three stages, and if there are no restrictions on the equipment such as the number of polymerization vessels, polypropylene (R) may be produced by multistage polymerization of four or more stages. There are no restrictions.
- an electrical material such as a film using the polypropylene of the present invention as a raw material
- other resins or rubbers may be added to the polypropylene of the present invention as necessary within a range not impairing the object of the present invention. Also good.
- other resins or rubbers include poly ⁇ -olefins such as polyethylene, polybutene-1, polyisobutene, polypentene-1, and polymethylpentene-1; ethylene propylene copolymer having a propylene content of less than 75% by weight.
- Ethylene, butene-1 copolymer, ethylene or ⁇ -olefin / ⁇ -olefin copolymer such as propylene 'butene-1 copolymer having a propylene content of less than 75% by weight; propylene content of 75% by weight Less than ethylene 'propylene ⁇ 5-ethylidene-2-norbornene copolymer or other ethylene or ⁇ -olefins.
- ⁇ -olefins. Genon monomer copolymers; styrene. Vinyl monomers such as butadiene random copolymers .Genon monomer random copolymer; Styrene.
- Butadiene / Styrene block copolymer and other vinyl monomers Gen monomer 'Vinyl monomer block copolymer; Hydrogenation (Styrene' butadiene random copolymer) and other hydrogenation (Vinyl monomer 'Gen monomer random copolymer); Hydrogenation (Styrene) And hydrogen (vinyl monomer / gen monomer / vinyl monomer block copolymer) such as 'butadiene' styrene block copolymer).
- the amount of the other polymer added varies depending on the type of resin to be added or the type of rubber, and may be within a range that does not impair the object of the present invention as described above, but is usually about 100 parts by weight of polypropylene. The amount is preferably 5 parts by weight or less.
- the polypropylene of the present invention when forming a sheet or film using the polypropylene of the present invention as a raw material, includes, as necessary, an antioxidant, an ultraviolet absorber, Additives such as metal sarcophagus, stabilizers such as hydrochloric acid absorbers, lubricants, plasticizers, flame retardants, antistatic agents and the like may be added within a range that does not impair the object of the present invention.
- the polypropylene sheet of the present invention is a sheet obtained by forming the polypropylene into a sheet by the above method, and is a sheet having a tricrystal fraction of 0.15 or more.
- the forming method of the sheet may be a T die or a circular die.
- the thickness of these sheets is not limited, but is usually 0.1 to 3 mm, preferably 0.2 to 1.5 mm.
- the polypropylene sheet of the present invention can be further stretched as necessary to obtain a stretched film.
- the raw sheet for capacitor film of the present invention is stretched and used as a capacitor film. Stretching can be performed by a known method such as stretching roll and Z or tenter stretching, or tubular stretching, usually by reheating the film to a temperature between 100 ° C. and the melting point. In the case of biaxial stretching, the draw ratio is about 3 to 7 times in length and 3 to 11 times in width. By this stretching treatment, a film having excellent mechanical strength and rigidity, a large number of surface irregularities, and a roughened
- the sheet obtained from the polypropylene of the present invention has excellent electrical insulation properties, it is excellent as a raw sheet for capacitor films.
- the anti-blocking effect is excellent because the number of surface irregularities is roughened.
- a film having excellent electrical insulation characteristics, a large number of surface irregularities, and an excellent antiblocking effect can be suitably used as a capacitor film for capacitors.
- the thickness of the capacitor film is not limited, but it is usually 2 to 100 m, preferably 4 to 50 / im.
- an insulating film for a high-voltage cable is mentioned.
- Insulating films are generally extrusion-laminated on insulating paper and correspond to unstretched films.
- the unstretched film obtained from the polypropylene of the present invention is excellent in electrical insulation properties.
- An electronic material conveying instrument can be used as an electrical material application other than the stretched film of the polypropylene of the present invention. Specifically, flat electronic materials used in electrical and electronic equipment, especially printed wiring boards, shadow masks, aperture grills, etc.
- an electronic material particularly a printed wiring board or a shadow mask having a large number of small-diameter holes, is surely electrostatically adsorbed and desired to be detached. Moreover, it can be desorbed reliably at a good timing. Therefore, the use of the electrostatic adsorption unit of the present invention brings about an excellent effect that can be surely removed regardless of factors such as the ambient temperature and humidity, the material of the electrostatic adsorption plate and the adsorbed material, and the surface condition.
- the / 3 crystal fraction was determined according to the method used. In other words, 200 polypropylene is used as the sample sheet. Heated and melted at C, extruded from a T-die, and slowly cooled under the conditions of a pulling speed of 1.0 m / min and a cooling time of 0.9 min using a cooling roll, maintained at a temperature of 95 ° C. A sheet having a thickness of 0.5 mm through the roll was used. This sheet was subjected to X-ray diffraction under the following conditions and calculated from the following formula (Eq-3).
- Measuring device RINT2500 manufactured by Rigaku Corporation
- ⁇ ⁇ 1 is the ⁇ crystal (110)
- the peak height (intensity) corresponding to the scattering of the crystal part of, ⁇ 2 is the peak height (intensity) corresponding to the scattering of the crystal part of the ⁇ crystal (040), and ⁇ ⁇ 3 is the crystal
- This is the height (intensity) of the peak corresponding to the scattering of the crystal part of (130), but all values are the peak height after subtracting the scattering of the amorphous part.
- a 50 ⁇ film was formed with a 25 ⁇ ⁇ die molding machine, and FE was observed visually. Units with a FE diameter of 200 / zm or more are counted visually. It was calculated as the number of hits.
- the pellets were placed in a crucible and completely burned, and the crucible was incinerated in an electric furnace at 800 ° C for 2 hours. The ash remaining in the crucible was measured to determine the ash content (wtppm).
- BDV Dielectric breakdown voltage
- Measurement conditions Pulse repetition time is 5 seconds. The number of integration is 20000 times. Measurement temperature is 125 ° C.
- the homogeneous solution thus obtained was cooled to 23 ° C. and allowed to stand for 10 hours, and 750 ml of the supernatant was extracted from this homogeneous solution at a position of 10 cm from the liquid surface at 50 ml / min.
- the magnesium chloride solution was added dropwise over 1 hour to 2000 ml of titanium tetrachloride at -20 ° C in another 10 liter container. After the dropwise addition, the temperature of the resulting mixture was raised to 110 ° C over 4 hours. When the temperature reached 110 ° C, 52.2 g of diisobutyl phthalate (DIBP) was added, and the mixture was stirred for 2 hours. the solid portion was collected by holding the t then hot filtered at the same temperature, titanium tetrachloride 2750ml the solid portion And then re-heated at 110 ° C. for 2 hours.
- DIBP diisobutyl phthalate
- the solid titanium catalyst component (a) prepared as described above was stored as a hexane slurry, and a portion of this was dried to examine the catalyst composition.
- the solid titanium catalyst component (a) contained 3% by weight of titanium, 58% by weight of chlorine, 18% by weight of magnesium and 21% by weight of DIBP.
- a polymerization tank 1 with an internal volume of 140 liters was charged with 20 liters of liquefied propylene. Methyldimethoxysilane was continuously fed at 9 mmol / hr and polymerized at a temperature of 73 ° C. Hydrogen was not supplied to the polymerization tank 1.
- Table 1 shows the ratio of the amount of polymer produced in Polymerization Tank 1 (ratio of the production quantity of Polymerization Tank 1 in the entire polymer).
- the obtained polymer was fed in the form of a slurry into a polymerization tank 2 with a stirrer having an internal volume of 500 liters. A part of the obtained polymer was sampled, and the intrinsic viscosity was measured and found to be 6.0 dl / g.
- polymerization tank 2 While maintaining the liquid level at 300 liters, 70 kg / hr of liquefied propylene was continuously supplied and polymerization was conducted at a temperature of 71 ° C. Hydrogen is also used in polymerization tank 2. The gas phase portion was continuously fed so as to keep the concentration at 0.4 mol%.
- Table 1 shows the ratio of the amount of polymer produced in polymerization tank 2 (ratio of the production quantity of polymerization tank 2 in the entire polymer).
- the obtained polymer was fed in a slurry state to a polymerization tank 3 with a stirrer having an internal volume of 500 liters. A part of the obtained polymer was sampled, and the intrinsic viscosity was measured and found to be 1.9 dl / g. From this result, the intrinsic viscosity of the polymer produced in the polymerization tank 2 was determined to be 1.8 dl / g by calculation.
- polymerization tank 3 While maintaining a liquid level of 300 liters, 56 kg / hr of liquefied propylene was continuously supplied and polymerization was carried out at a temperature of 70 ° C. Similarly to the polymerization tank 2, hydrogen was continuously fed so as to keep the concentration in the gas phase part at 0.4 mol%.
- the obtained slurry was inactivated by adding 10 ml of methanol, and after sending it to a liquid propylene washing tank, stirring “resting” and “removing the supernatant” adding liquid propylene (100 liters per operation) The polypropylene powder was washed repeatedly.
- Table 1 shows the ratio of the amount of polymer produced in Polymerization Tank 3 (ratio of the production quantity of Polymerization Tank 3 in the entire polymer). Thereafter, propylene was evaporated to obtain a polypropylene powder. The intrinsic viscosity of this sample was measured and found to be 1.8 dl / g. From this result, it was judged that the intrinsic viscosity of the polypropylene produced in the polymerization tank 3 was 1.8 dl / g by calculation.
- the total elution amount up to 110 ° C, that is, the integrated amount was 21.3%
- the total elution amount up to 100 ° C, that is, the integrated amount was 3.5%. It was.
- the polypropylene pellets obtained above were melted at 200 ° C with a 50 ⁇ extruder, extruded from a T-die, and with a single cooling roll maintained at a temperature of 95 ° C, a tensile speed of 1.0 m / min, The sheet was slowly cooled with a chill roll cooling time of 0.94 minutes to obtain a sheet having a thickness of 0.5 mm. Details of the sheet forming conditions are as follows. The sheet passed through the chill roll was cut, and the / 3 crystal fraction was determined by the above method using an X-ray diffraction apparatus. The results are shown in Table 2.
- Molding equipment VSK type 50 manufactured by Nakatani Machinery Co., Ltd.
- Preheating time 60 seconds
- a polymerization tank 1 with an internal volume of 140 'liters was charged with 100 liters of liquefied propylene, and while maintaining this liquid level, 105 kg / hr of liquefied propylene, 18 g / hr of the prepolymerized catalyst obtained in Example 1 , Triethylaluminum 47mmol / hr, Cyclohexa Polymerization was carried out at a temperature of 73 ° C by continuously feeding 9 mmol / hr of silmethyldimethoxysilane. Hydrogen was also continuously supplied so as to keep the concentration in the gas phase part of the polymerization tank 1 at 0.01 mol%. Table 1 shows the ratio of the amount of polymer produced in this polymerization tank 1.
- the obtained polymer was fed into the polymerization tank 2 with a stirrer having an internal volume of 500 liters in a slurry state. A part of the obtained polymer was sampled, and the intrinsic viscosity was measured and found to be 3.9 dl / g.
- polymerization tank 2 While maintaining a liquid level of 300 liters, 140 kg / hr of liquefied propylene was continuously supplied and polymerization was carried out at a temperature of 71 ° C. Hydrogen was also continuously supplied so as to keep the concentration in the gas phase part of the polymerization tank 2 at 0.57 mol%.
- Table 1 shows the ratio of the amount of polymer produced in polymerization tank 2.
- the obtained polymer was fed in the form of a slurry to a polymerization tank 3 with a stirrer having an internal volume of 500 liters. A part of the obtained polymer was sampled and the intrinsic viscosity was measured and found to be 2.0 dl / g. From this result, the intrinsic viscosity of the polymer produced in the polymerization tank 2 was determined to be 1.5 dl / g by calculation.
- polymerization tank 3 While maintaining the liquid level at 300 liters, 55 kg / hr of liquefied propylene was continuously supplied and polymerization was performed at a temperature of 70 ° C. Similarly to the polymerization tank 2, hydrogen was continuously supplied so as to keep the gas phase concentration at 0.57 mol%. The obtained slurry was deactivated, and then sent to a liquid propylene washing tank, and the polypropylene powder was washed. The production ratio of the polymer produced in the polymerization tank 3 is shown in Table 1. Thereafter, propylene was evaporated to obtain polypropylene powder. The intrinsic viscosity of this sample was measured and found to be 1.8 dl / g. From this result, it was judged that the intrinsic viscosity of the polypropylene produced in the polymerization tank 3 was 1.5 dl / g by calculation.
- polypropylene pellets were obtained in the same manner as in Example 1.
- the physical properties measured for the obtained pellets are summarized in Tables 1 and 2.
- the integrated amount of cross fractionation of the obtained pellet was analyzed, the total amount of elution up to 110 ° C, that is, the integrated amount was 20.7%, and the total amount of elution amount up to 100 ° C, that is, the integrated amount was 3.4%. It was.
- Example 3 shows the [3] crystal fraction of the resulting sheet and the film properties after biaxial stretching.
- a polymerization tank 1 with an internal volume of 140 liters was charged with 100 liters of liquefied propylene, and while maintaining this liquid level, 83 kg / hr of liquefied propylene, 18 g / hr of the prepolymerized catalyst obtained in Example 1, Polymerization was carried out at a temperature of 73 ° C. by continuously feeding 47 mmol / hr of tilaluminum and 9 mmol / hr of cyclohexylmethyldimethoxysilane. Hydrogen was also continuously supplied so as to keep the concentration in the gas phase part of the polymerization tank 1 at 0.30 mol%. Table 1 shows the ratio of the amount of polymer produced in this polymerization tank 1.
- the obtained polymer was fed as a slurry into a polymerization tank 2 with a stirrer having an internal volume of 500 liters. A part of the obtained polymer was sampled, and the intrinsic viscosity was measured and found to be 2.1 dl / g .
- polymerization tank 2 While maintaining the liquid level at 300 liters, 217 kg / hr of liquefied propylene was continuously supplied and polymerized at a temperature of 71 ° C. Hydrogen was also continuously supplied so as to keep the concentration of the gas phase part of the polymerization tank 2 at 0.30 mol%.
- Table 1 shows the ratio of the amount of polymer produced in polymerization tank 2.
- the obtained polymer was fed in the form of a slurry to a polymerization tank 3 with a stirrer having an internal volume of 500 liters. A part of the obtained polymer was sampled, and the intrinsic viscosity was measured and found to be 2.1 dl / g. From this result, it was judged that the intrinsic viscosity of the polymer produced in the polymerization tank 2 was 2.1 dl / g by calculation.
- polymerization tank 3 While maintaining the liquid level at 300 liters, 75 kg / hr of liquefied propylene was continuously supplied and polymerization was carried out at a temperature of 70 ° C. Similarly to the polymerization tank 2, hydrogen was continuously supplied so as to keep the gas phase concentration at 0.30 mol%. The obtained slurry was deactivated, and then sent to a liquid propylene washing tank, and the polypropylene powder was washed. Table 1 shows the ratio of the amount of polymer produced in polymerization tank 3. Thereafter, propylene was evaporated to obtain polypropylene powder. The ultimate viscosity of this sample was measured and found to be 2.1 dl / g. From this result, it was judged that the intrinsic viscosity of the polypropylene produced in the polymerization tank 3 was 2.1 dl / g by calculation. [Pelletization]
- a polypropylene pellet was obtained in the same manner as in Example 1.
- the physical properties measured for the obtained pellets are summarized in Tables 1 and 2.
- the integral amount of the cross-fractionation of the obtained pellet was analyzed, the total amount of elution up to 110 ° C, that is, the integral amount was 22.5%, and the total amount of elution amount up to 100 ° C, that is, the integral amount was 3.6%. It was.
- Table 3 shows the 0 crystal fraction of the sheet obtained from the polypropylene pellets obtained above by the same method as in Example 1 and the film properties after biaxial stretching.
- Example 1 The same procedure as in Example 1 was performed except that the polymerization was changed as follows. The results are shown in Tables 1 to 3.
- a polymerization tank 1 with an internal volume of 140 liters equipped with a stirrer was charged with 100 liters of liquefied propylene, and while maintaining this liquid level, 64 kg / hr of liquefied propylene, 18 g / hr of the prepolymerized catalyst obtained in Example 1, triethylaluminum Polymerization was carried out at a temperature of 73 ° C. by continuously feeding 47 mmol / hr and cyclohexylmethyldimethoxysilane 9 mmol / hr. Hydrogen was not supplied to the polymerization tank 1. Table 1 shows the ratio of the amount of polymer produced in this polymerization tank 1.
- the obtained polymer was fed in the form of a slurry into a polymerization tank 2 equipped with a stirrer having an internal volume of 500 liters. A part of the obtained polymer was sampled, and the intrinsic viscosity was measured and found to be 6.0 dl / g.
- polymerization tank 2 While maintaining a liquid level of 300 liters, 86 kg / hr of liquefied propylene was continuously supplied and polymerized at a temperature of 71 ° C. Hydrogen was also continuously supplied so as to keep the concentration in the gas phase part of the polymerization tank 2 at 0.55 mol%.
- Table 1 shows the ratio of the amount of polymer produced in polymerization tank 2.
- the obtained polymer was fed in the form of a slurry to a polymerization tank 3 with a stirrer having an internal volume of 500 liters. A part of the obtained polymer was sampled, and the intrinsic viscosity was measured and found to be 2.0 dl / g. From this result, it was judged that the intrinsic viscosity of the polymer produced in the polymerization tank 2 was 1.6 dl / g by calculation.
- polymerization tank 3 While maintaining a liquid level of 300 liters, newly liquefied propylene Polymerization was carried out at a temperature of 70 ° C. by continuously feeding 56 kg / hr. Similarly to the polymerization tank 2, hydrogen was continuously supplied so as to keep the gas phase concentration at 0.55 mol%. The obtained slurry was deactivated, and then sent to a liquid propylene washing tank, and the polypropylene powder was washed. Table 1 shows the ratio of the amount of polymer produced in polymerization tank 3. Thereafter, propylene was evaporated to obtain polypropylene powder. The intrinsic viscosity of this sample was measured and found to be 1.9 dl / g.
- the intrinsic viscosity of the polypropylene produced in the polymerization tank 3 was 1.6 dl / g by calculation.
- the integrated amount of cross fractionation of the obtained pellets was analyzed, the total amount of elution up to 110 ° C, that is, the integrated amount was 21.0%, the total amount of elution up to 100 ° C, and the integrated amount of residue was 3.5. %Met.
- a polymerization tank 1 with an internal volume of 140 liters was charged with 100 liters of liquefied propylene, and while maintaining this liquid level, 105 kg / hr of liquefied propylene, 18 g / hr of the prepolymerized catalyst obtained in Example 1, Triethyl aluminum (47 mmol / hr) and dicyclobenzyl dimethoxysilane (55 mmol / hr) were continuously fed to polymerize at a temperature of 73 ° C. Hydrogen was also continuously supplied so as to keep the concentration in the gas phase part of the polymerization tank 1 at 0.01 mol%. The ratio of the amount of polymer produced in this polymerization tank 1 is shown in Table 1.
- the obtained polymer was fed in a slurry state to a polymerization tank 2 with a stirrer having an internal volume of 500 'liter. A part of the obtained polymer was sampled and the intrinsic viscosity was measured and found to be 3.9 dl / g.
- polymerization tank 2 While maintaining a liquid level of 300 liters, 140 kg / hr of liquefied propylene was continuously supplied and polymerization was carried out at a temperature of 71 ° C. Hydrogen was also continuously supplied so as to keep the concentration in the gas phase part of the polymerization tank 2 at 0.57 mol%.
- Table 1 shows the ratio of the amount of polymer produced in polymerization tank 2.
- the obtained polymer was fed in the form of a slurry to a polymerization tank 3 with a stirrer having an internal volume of 500 liters. A part of the obtained polymer was sampled and the intrinsic viscosity was measured and found to be 2.0 dl / g. From this result, the intrinsic viscosity of the polymer produced in the polymerization tank 2 is calculated to be 1.5 dl / g. Judged that there was.
- polymerization tank 3 While maintaining the liquid level at 300 liters, 55 kg / hr of liquefied propylene was continuously supplied and polymerization was performed at a temperature of 70 ° C. Similarly to the polymerization tank 2, hydrogen was continuously supplied so as to keep the gas phase concentration at 0.35 moI%. The obtained slurry was deactivated, and then sent to a liquid propylene washing tank, and the polypropylene powder was washed. The production ratio of the polymer produced in the polymerization tank 3 is shown in Table 1. Thereafter, propylene was evaporated to obtain polypropylene powder. The intrinsic viscosity of this sample was measured and found to be 1.8 dl / g. From this result, it was judged that the intrinsic viscosity of the polypropylene produced in the polymerization tank 3 was 1.5 dl / g by calculation.
- polypropylene pellets were obtained in the same manner as in Example 1.
- the physical properties measured for the obtained pellets are summarized in Tables 1 and 2.
- the integral amount of cross fractionation of the obtained pellet was analyzed, the total amount of elution up to 110 ° C, that is, the integral amount was 17.1%, and the total amount of elution amount up to 100 ° C, that is, the integral amount was 2.3%. It was.
- the mesopentad fraction determined by NMR was 0.981.
- Table 3 shows the tricrystal fraction and the film physical properties after biaxial stretching of the sheet obtained from the polypropylene pellets obtained above by the same method as in Example 1.
- Tables 1 to 3 show the results obtained in the same manner as in Example 1 except that the solid titanium catalyst component was polymerized and produced under the following conditions.
- the homogeneous solution thus obtained was cooled to 23 ° C. and allowed to stand for 10 hours, and then 750 ml was extracted from the homogeneous solution through a nozzle provided at the bottom of the glass container.
- Magnesium chloride in another 10 liter container-2000 ° C titanium tetrachloride 2000ml was added dropwise over 1 hour.
- the temperature of the resulting mixture was raised to 110 ° C over 4 hours, and when it reached 110 ° C, 52.2 g of diisobutyl phthalate (DIBP) was added and stirred for 2 hours. The same temperature was maintained.
- DIBP diisobutyl phthalate
- the solid titanium catalyst component (a ′) prepared as described above was stored as a hexane slurry, and a portion of this was dried to examine the catalyst composition.
- the solid titanium catalyst component (a) contained 3% by weight of titanium, 58% by weight of chlorine, 18% by weight of magnesium and 21% by weight of DIBP.
- Example 2 3.9 1.5 1.5 10 50 40
- the polypropylene of the present invention has an extremely small amount of impurities and can be gradually cooled under specific conditions) to increase the crystal content of 3). A high quality sheet can be easily obtained.
- Such a polypropylene of the present invention is suitably used for a capacitor film or an unstretched film excellent in electrical insulation and anti-blocking properties, or an electronic material transport device.
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- Chemical & Material Sciences (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Materials Engineering (AREA)
- Manufacture Of Macromolecular Shaped Articles (AREA)
- Organic Insulating Materials (AREA)
- Addition Polymer Or Copolymer, Post-Treatments, Or Chemical Modifications (AREA)
- Compositions Of Macromolecular Compounds (AREA)
- Treatments Of Macromolecular Shaped Articles (AREA)
Abstract
Description
Claims
Priority Applications (6)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE602004028296T DE602004028296D1 (de) | 2004-11-25 | 2004-11-25 | Polypropylen und aufbringen des polypropylens auf elektrisches material |
US11/791,532 US7691958B2 (en) | 2004-11-25 | 2004-11-25 | Polypropylene and application of said polypropylene to electric material |
AT04822446T ATE474862T1 (de) | 2004-11-25 | 2004-11-25 | Polypropylen und aufbringen des polypropylens auf elektrisches material |
PCT/JP2004/017902 WO2006057066A1 (ja) | 2004-11-25 | 2004-11-25 | ポリプロピレン及び該ポリプロピレンの電気材料への応用 |
CN2004800444793A CN101065411B (zh) | 2004-11-25 | 2004-11-25 | 聚丙烯和该聚丙烯在电气材料中的应用 |
EP04822446A EP1826222B1 (en) | 2004-11-25 | 2004-11-25 | Polypropylene and application of said polypropylene to electric material |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
PCT/JP2004/017902 WO2006057066A1 (ja) | 2004-11-25 | 2004-11-25 | ポリプロピレン及び該ポリプロピレンの電気材料への応用 |
Publications (1)
Publication Number | Publication Date |
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WO2006057066A1 true WO2006057066A1 (ja) | 2006-06-01 |
Family
ID=36497815
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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PCT/JP2004/017902 WO2006057066A1 (ja) | 2004-11-25 | 2004-11-25 | ポリプロピレン及び該ポリプロピレンの電気材料への応用 |
Country Status (6)
Country | Link |
---|---|
US (1) | US7691958B2 (ja) |
EP (1) | EP1826222B1 (ja) |
CN (1) | CN101065411B (ja) |
AT (1) | ATE474862T1 (ja) |
DE (1) | DE602004028296D1 (ja) |
WO (1) | WO2006057066A1 (ja) |
Cited By (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20100003489A1 (en) * | 2006-08-31 | 2010-01-07 | Treofan Germany Gmbh & Co. Kg | Biaxially oriented electrical insulating film |
US7872085B2 (en) | 2006-11-01 | 2011-01-18 | Oji Paper Co., Ltd. | Biaxially oriented polyproplyene film |
US20110100438A1 (en) * | 2009-11-04 | 2011-05-05 | Gaston Ryan S | Building integrated photovoltaic having injection molded component |
US9548160B2 (en) * | 2005-11-17 | 2017-01-17 | Oji Holdings Corporation | Raw sheet for capacitor film and capacitor film |
JPWO2016159069A1 (ja) * | 2015-03-31 | 2018-01-25 | 株式会社プライムポリマー | ポリプロピレン樹脂組成物及びその製造方法、二軸延伸フィルム及びその製造方法、並びにフィルムコンデンサ用キャパシタフィルム |
JPWO2016167328A1 (ja) * | 2015-04-15 | 2018-02-08 | 王子ホールディングス株式会社 | コンデンサ用二軸延伸ポリプロピレンフィルム |
Families Citing this family (11)
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CN102272208B (zh) * | 2009-01-07 | 2013-04-10 | 普瑞曼聚合物株式会社 | 多微孔膜形成用聚丙烯树脂组合物 |
JP5653760B2 (ja) * | 2009-01-07 | 2015-01-14 | 三井化学株式会社 | 微多孔膜形成用ポリプロピレン樹脂組成物 |
SG173156A1 (en) * | 2009-01-27 | 2011-08-29 | Mitsui Chemicals Inc | Propylene homopolymer for condensers |
MX337954B (es) * | 2010-05-12 | 2016-03-29 | Borealis Ag | Polipropileno con contenido especifico de estearato de calcio para capacitores especiales. |
EP2565221B2 (en) † | 2011-08-30 | 2018-08-08 | Borealis AG | Process for the manufacture of a capacitor film |
EP2970516B1 (en) | 2013-03-15 | 2018-07-18 | Braskem America, Inc. | Propylene polymer resins |
JP6260472B2 (ja) * | 2014-06-30 | 2018-01-17 | 王子ホールディングス株式会社 | コンデンサ用二軸延伸ポリプロピレンフィルム |
JP7196074B2 (ja) | 2016-08-30 | 2022-12-26 | ダブリュー・アール・グレース・アンド・カンパニー-コーン | ポリオレフィンの製造のための触媒系並びに同触媒系を作製及び使用する方法 |
CN106432820A (zh) * | 2016-09-29 | 2017-02-22 | 铜陵市超越电子有限公司 | 一种电容器薄膜的材料配方 |
JP7318187B2 (ja) * | 2017-08-29 | 2023-08-01 | 東レ株式会社 | ポリプロピレンフィルム、金属膜積層フィルムおよびフィルムコンデンサ |
CN107739470A (zh) * | 2017-10-17 | 2018-02-27 | 富通集团(天津)超导技术应用有限公司 | 超导电缆用聚丙烯复合绝缘薄膜材料、薄膜及其制备方法 |
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- 2004-11-25 EP EP04822446A patent/EP1826222B1/en active Active
- 2004-11-25 AT AT04822446T patent/ATE474862T1/de not_active IP Right Cessation
- 2004-11-25 DE DE602004028296T patent/DE602004028296D1/de active Active
- 2004-11-25 WO PCT/JP2004/017902 patent/WO2006057066A1/ja not_active Application Discontinuation
- 2004-11-25 US US11/791,532 patent/US7691958B2/en active Active
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Also Published As
Publication number | Publication date |
---|---|
EP1826222B1 (en) | 2010-07-21 |
DE602004028296D1 (de) | 2010-09-02 |
CN101065411A (zh) | 2007-10-31 |
CN101065411B (zh) | 2010-09-01 |
US20080042323A1 (en) | 2008-02-21 |
ATE474862T1 (de) | 2010-08-15 |
EP1826222A1 (en) | 2007-08-29 |
EP1826222A4 (en) | 2008-08-27 |
US7691958B2 (en) | 2010-04-06 |
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