WO2006064729A1 - 多孔質フィルム用填剤及び該填剤を配合してなる多孔質フィルム - Google Patents
多孔質フィルム用填剤及び該填剤を配合してなる多孔質フィルム Download PDFInfo
- Publication number
- WO2006064729A1 WO2006064729A1 PCT/JP2005/022649 JP2005022649W WO2006064729A1 WO 2006064729 A1 WO2006064729 A1 WO 2006064729A1 JP 2005022649 W JP2005022649 W JP 2005022649W WO 2006064729 A1 WO2006064729 A1 WO 2006064729A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- porous film
- filler
- porous
- acid
- surfactant
- Prior art date
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D69/00—Semi-permeable membranes for separation processes or apparatus characterised by their form, structure or properties; Manufacturing processes specially adapted therefor
- B01D69/14—Dynamic membranes
- B01D69/141—Heterogeneous membranes, e.g. containing dispersed material; Mixed matrix membranes
- B01D69/148—Organic/inorganic mixed matrix membranes
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K9/00—Use of pretreated ingredients
- C08K9/04—Ingredients treated with organic substances
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C55/00—Shaping by stretching, e.g. drawing through a die; Apparatus therefor
- B29C55/005—Shaping by stretching, e.g. drawing through a die; Apparatus therefor characterised by the choice of materials
-
- 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
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
- H01M50/40—Separators; Membranes; Diaphragms; Spacing elements inside cells
- H01M50/409—Separators, membranes or diaphragms characterised by the material
- H01M50/446—Composite material consisting of a mixture of organic and inorganic materials
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29K—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS OR TO MATERIALS FOR MOULDS, REINFORCEMENTS, FILLERS OR PREFORMED PARTS, e.g. INSERTS
- B29K2023/00—Use of polyalkenes or derivatives thereof as moulding material
- B29K2023/10—Polymers of propylene
- B29K2023/12—PP, i.e. polypropylene
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29K—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS OR TO MATERIALS FOR MOULDS, REINFORCEMENTS, FILLERS OR PREFORMED PARTS, e.g. INSERTS
- B29K2105/00—Condition, form or state of moulded material or of the material to be shaped
- B29K2105/04—Condition, form or state of moulded material or of the material to be shaped cellular or porous
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29K—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS OR TO MATERIALS FOR MOULDS, REINFORCEMENTS, FILLERS OR PREFORMED PARTS, e.g. INSERTS
- B29K2105/00—Condition, form or state of moulded material or of the material to be shaped
- B29K2105/06—Condition, form or state of moulded material or of the material to be shaped containing reinforcements, fillers or inserts
- B29K2105/16—Fillers
-
- G—PHYSICS
- G02—OPTICS
- G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
- G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
- G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour
- G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour based on liquid crystals, e.g. single liquid crystal display cells
- G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
- G02F1/1333—Constructional arrangements; Manufacturing methods
- G02F1/1335—Structural association of cells with optical devices, e.g. polarisers or reflectors
- G02F1/1336—Illuminating devices
- G02F1/133602—Direct backlight
- G02F1/133605—Direct backlight including specially adapted reflectors
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/05—Accumulators with non-aqueous electrolyte
- H01M10/052—Li-accumulators
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/10—Energy storage using batteries
Definitions
- the present invention relates to a filler for a porous film that can be easily mixed with a resin, has good dispersibility in the resin, has few impurities and coarse particles, and has a surface-treated inorganic particle force, and the filler. Relates to a porous film formed by combining
- the present invention has good workability at the time of premixing with, for example, rosin and other additives, and there is almost no breakage (molecular deterioration) of the molecular chain of the resin during melt-kneading. Since it has dischargeability and hardly contains impurities and coarse particles that are difficult to cause re-aggregation between particles, other additives, and resin, for example, a porous film that does not easily deteriorate in strength is obtained. In addition, since it is possible to manipulate the particle size and to disperse it in the film very uniformly, a porous film having a uniformly controlled pore size distribution width can be obtained.
- the present invention relates to a filler that imparts excellent performance to a porous finolem formed by blending the filler.
- Porous films made of synthetic resin are used in a wide variety of applications such as synthetic paper, sanitary materials, medical materials, building materials, air permeable sheets for agriculture, light reflectors for liquid crystal displays, and separators for various batteries. It is being used, and further improvements and developments are sought in every application.
- transmissive liquid crystal displays are used as monitors for personal computers and display devices for flat-screen TVs.
- a planar lighting device called a backlight is usually installed on the back of the liquid crystal element. Has been.
- lithium secondary batteries used in mobile devices such as mobile phones and laptop computers have a higher energy density with respect to volume and weight than other batteries. Since it was put into practical use, it has shown high growth in production and usage.
- lithium as the main power source
- Secondary batteries are also required to improve performance.
- separators are also required to improve performance.
- the knock light has a function of converting a linear light source such as a cold cathode discharge tube into a planar light source.
- the knock light has a light source installed immediately below the back surface of the liquid crystal element.
- a method side light type in which a linear light source is passed through a translucent light guide such as an acrylic plate from the side surface to convert the light into a planar shape to obtain a surface light source.
- the sidelight type that can structurally make the backlight unit thinner is preferred as a display device, and is used in liquid crystal display devices such as portable personal computers. Is heavily used.
- the typical configuration of the sidelight type knocklight unit is a light guide plate that has the same strength as an acrylic plate, a light reflector made of foamed polyester, polyolefin film, metallized film, etc., on the opposite side of the light reflector.
- the installed light diffusion plate and cold cathode discharge tube installed on the side of the light guide plate.
- Reflective paint is halftone printed on the surface of the light guide plate facing the light reflector side, and linear light introduced from the side of the light guide plate emits light at the dot print portion and is reflected by the light reflector plate. It becomes a uniform surface with a diffuser plate together with the light.
- the functions required of the light reflector include efficient use of light from the built-in light source, long life such as little change in light reflectance and color tone, and consumer It is a display that meets the needs of
- a color liquid crystal cell which is the main device of a liquid crystal display, has a low light transmittance, so that a sufficient luminance is required for the light source. In addition, it is necessary to have sufficient power and sufficient brightness and color tones.
- a white polyester film complies with the physical properties required for the above light reflector.
- a porous polyolefin film has been proposed for the purpose of improving the color change of a white polyester film (see, for example, Patent Documents 2 and 3).
- a lithium secondary battery is a porous film separator, a lithium ion, having positive and negative electrodes, lead wires thereof, and a through-hole capable of passing back and forth lithium ions during charge / discharge while preventing a short circuit between the two electrodes.
- both electrodes In order to obtain a high-capacity battery, it is preferable that the area of both electrodes is large and the movement of ions in both electrodes is smooth.
- a typical lithium battery secures a wide effective electrode area by stacking a thin film positive electrode 'separator' negative electrode.
- porous films used as sanitary items such as diapers and bed covers and clothing materials such as gloves have been used as separators for lithium secondary batteries.
- a porous film suitable for the required requirements is underway.
- a polypropylene composition containing polypropylene particles with an average particle size of 0.01 to 10 ⁇ m and 13 nucleating agents blended with polypropylene has been proposed.
- a primary film is prepared by blending a specific amount of inorganic particles with an average particle size of 1 ⁇ m or less into a synthetic resin.
- Patent Document 1 JP 04-239540 A
- Patent Document 2 JP 2002-31704 A
- Patent Document 3 JP 2004-157409 A
- Patent Document 4 Japanese Patent Laid-Open No. 9-176352
- Patent Document 5 JP 2002-201298 A
- the white polyester film of Patent Document 1 has a change in color tone due to deterioration or discoloration of the resin near the light source due to heat emitted from the light source or light having a wavelength in the vicinity of ultraviolet light. There was a decline.
- the light source itself is powerful and the distance from the light source is shortened, so that the deterioration of the resin has become remarkable, and stability over time has been demanded.
- Patent Documents 2 and 3 a polyolefin-based resin having less deterioration with time than that of polyester resin is used, and further, heavy carbonate is used as particles that generate fine pores in the resin.
- inorganic particles such as calcium and barium sulfate, there is little decrease in brightness, it is more stable over time, the resin itself is flexible, and the light guide plate is not damaged. Get a film.
- a lithium battery using the obtained porous film as a separator has a high internal resistance of the battery, although the reason is not clear, and can be obtained by improving both positive and negative electrodes. As a result, the output was wasted and the separator film was not satisfactory.
- the current method for producing a film having pores is broadly divided into a method in which inorganic particles are blended and stretched uniaxially or biaxially to generate voids called voids between the particles and the resin, and an acid. 'A method of dissolving the particles themselves with alkali or the like.
- any method it is necessary to make a porous film in which the size of the voids or pores formed in the film is less varied and the distribution of the voids in the film plane is uniform.
- uniform dispersion of inorganic particles in the resin composition for film is required, and the particles themselves have few impurities and are not coarse particles that induce a short circuit between both electrodes! ⁇ ⁇ ⁇ ⁇ Sharp particle size distribution is required.
- the present invention has been made in view of the above-described situation, and is easily mixed with the resin used as the porous film substrate, has good dispersibility in the resin, and has few impurities and coarse particles.
- a porous film filler comprising a surface-treated inorganic particle and a porous film formed by blending the filler is provided.
- the present invention for example, has good workability during premixing with rosin and other additives, has almost no molecular chain breakage (molecular deterioration) during melt-kneading, and has good discharge characteristics.
- inorganic particles having a very small particle size distribution with very few impurities and coarse particles are chelated with respect to a surfactant and an alkaline earth metal.
- a compound having a function as a surface treatment agent it is possible to obtain surface-treated inorganic particles having extremely excellent dispersibility with respect to greaves, and the incorporation of the obtained surface-treated inorganic particles into greaves. It is easy to disperse well without causing re-aggregation and the like, and the resin composition for porous film containing the surface-treated inorganic particles is used for, for example, a uniaxially or biaxially stretched film.
- a good void is produced, which is useful as a film for a light reflector of a backlight device such as a liquid crystal display, for example, useful as a separator for a lithium secondary battery, etc.
- a backlight device such as a liquid crystal display
- a separator for a lithium secondary battery etc.
- claim 1 of the present invention is characterized by comprising inorganic particles surface-treated with a surfactant (A) and a compound (B) having a chelating ability with respect to an alkaline earth metal. It is a filler for porous film.
- Claim 2 of the present invention is the filler for porous films according to claim 1, wherein the inorganic particles are calcium carbonate or barium sulfate.
- Claim 3 of the present invention is the porous film filler according to claim 1, wherein the surfactant (A) is a fatty acid salt.
- Claim 4 of the present invention is that the surfactant (A) comprises 50 to 98% by weight of a linear fatty acid salt having 16 or more C atoms and 1.5 to 50 linear fatty acid salts having 10 to 14 carbon atoms. 4.
- Claim 5 of the present invention is characterized in that the condensed phosphoric acid of the compound (B) having chelating ability with respect to an alkaline earth metal is cyclic condensed phosphoric acid or metaphosphoric acid. 4.
- Claim 6 of the present invention is that the surfactant (A) is 0.1 to 20% by weight and the compound (B) having chelating ability to the alkaline earth metal is 0.05 to 7% by weight with respect to the inorganic particles.
- the filler for a porous film according to any one of claims 1 to 5, wherein the filler is for a porous film.
- Claim 7 of the present invention satisfies the following particle size characteristics (1) to (4):
- Claim 8 of the present invention is a porous film characterized by comprising the filler for porous film according to any one of claims 1 to 7.
- Claim 9 of the present invention is the porous film according to claim 8, wherein the resin of the porous film is a polyolefin resin.
- Claim 10 of the present invention is that the porous film is for light reflection.
- the eleventh aspect of the present invention is the porous film according to any one of the eighth to tenth aspects, wherein the porous film is used for a light reflecting plate of a liquid crystal display device or a lighting device.
- a twelfth aspect of the present invention is the porous film according to the eighth or ninth aspect, which is used for a diaphragm between electrodes of a battery.
- the battery is a lithium secondary battery. It is a porous film of description.
- the filler for a porous film of the present invention can be easily mixed with a resin and has a good dispersibility in the resin.
- a resin for example, a light reflecting plate of a backlight device of a liquid crystal display, a battery, and the like.
- a porous film useful as a separator between the electrodes can be provided.
- the filler for porous film of the present invention can be mixed with the resin quickly, and for example, there is little adhesion to the inner wall surface of the mixer or the blades for stirring and mixing, and adhesion inside the mixer.
- FIG. 1 is a schematic view of a direct type backlight unit used for evaluation of luminance unevenness.
- the surfactant (A) used in the present invention includes saturated fatty acids, unsaturated fatty acids, alicyclic carboxylic acids, succinic acids, salts thereof, esters thereof, alcohol surfactants, sorbitan Fatty acid esters, amide surfactants, amine amine surfactants, polyoxyalkylene alkyl ethers, polyoxyethylene norphenyl ether, sodium alpha olefin sulfonate, long chain alkyl amino acid, amine oxide, alkylamine And quaternary ammonium salts, etc., which are used alone or in combination of two or more as required.
- saturated fatty acids include strength purine acid 'lauric acid', myristic acid ', palmitic acid', stearic acid, etc.
- unsaturated fatty acids include oleic acid'linoleic acid'linolenic acid, etc.
- carboxylic acids there is a force at the end of the cyclopentane ring or cyclohexane ring.
- examples thereof include naphthenic acid having a lupoxyl group
- examples of succinic acid include abietic acid 'pimaric acid' and neoabietic acid.
- Examples of the alcohol-based surfactant include sodium alkyl sulfate ester and sodium alkyl ether sulfate, and examples of sorbitan fatty acid esters include sorbitan monolaurate and polyoxyethylene sorbitan monostearate.
- examples of amide-based amine surfactants include fatty acid alcohol amides and alkylamine oxides, and examples of polyoxyalkylene alkyl ethers include polyoxyethylene alkyl ethers and polyoxyethylene lauryl ethers.
- Examples of long-chain alkyl amino acids include lauryl betaine and stearyl betaine.
- Examples of the amine oxide include polyoxyethylene fatty acid amides and alkylamine oxides, examples of the alkylamine include stearylamine acetate, and examples of the quaternary ammonium salt include stearyltrimethyl. Ammo-um chloride and quaternary ammo-sulfate are listed.
- Examples of the salts of various acids include alkali metal salts such as potassium and sodium. Specifically, potassium laurate, potassium myristate, potassium palmitate, sodium palmitate, potassium stearate. , Saturated fatty acid salts such as sodium stearate, unsaturated fatty acid salts such as potassium oleate and sodium oleate, alicyclic carboxylates such as lead naphthenate and cyclohexylbutyrate, potassium abietic acid and sodium It is done.
- alkali metal salts such as potassium and sodium.
- Saturated fatty acid salts such as sodium stearate
- unsaturated fatty acid salts such as potassium oleate and sodium oleate
- alicyclic carboxylates such as lead naphthenate and cyclohexylbutyrate
- potassium abietic acid and sodium It is done.
- esters of the above-mentioned various acids include, for example, force ethyl propyl ester, force vinyl acetate, diisopropyl adipate, ethyl caprylate, allylic caprate, ethyl caprate, butyric acid purate, jetyl sebacate, Diisopropyl sebacate, cetyl isooctanoate, octyldodecyl dimethyloctanoate, methyl laurate, butyrate laurate, lauryl laurate, methyl myristate, isopropyl myristate, cetyl myristate, myristyl myristate, isocetyl myristate, Otatildodecyl myristate, isotridecyl myristate, methyl palmitate, isopropyl palmitate, octyl palmitate, cetyl palmitate, isostearyl palmitate
- the above surfactants may be used alone or in combination of two or more as required.
- the inorganic particles surface-treated with saturated fatty acid, unsaturated fatty acid, alicyclic carboxylic acid, and oxalic acid salt are insulative properties of the resin when blended with rosin.
- a mixture of an alkali metal salt of a fatty acid is more preferred, especially dispersibility is good without impairing heat resistance.
- the composition is an alkali metal salt of C having 16 or more straight chain fatty acids such as palmitic acid 'stearic' Arakijin acid behenate 50-98 by weight 0/0, It is preferable that the alkali metal salt of a linear fatty acid having a C number of 10-14, such as force purine 'lauric acid' myristic acid, is present in a proportion of 1.5-50% by weight.
- an alkali metal salt of a linear fatty acid having 18 or more carbon atoms such as stearic acid oleic acid, particularly a potassium salt is preferable.
- a sodium salt of lauric acid having 12 carbon atoms or a potassium salt of myristic acid having 14 carbon atoms is preferable from the viewpoint of dispersibility.
- the content of the straight chain fatty acid having 16 or more carbon atoms in the composition of the alkali metal salt of the straight chain fatty acid is less than 50% by weight, the reason is not clear compared with the case of 50% by weight or more.
- the dispersibility in the resin is slightly worse, and if it exceeds 98% by weight, the voids generated between the resin and the particles tend to be too small compared to 98% by weight or less. Absent . If the air gap is too small, for example when used in a light reflecting film, the current technology For example, when the resin is used in a separator film, it is not preferable because it is difficult to ensure good ion passage properties.
- the surfactant (A) When the above-described alkali metal salt of a linear fatty acid is used as the surfactant (A), it is preferable to select and mix the fatty acids of each composition, but this does not hinder the efficacy of the present invention.
- a commercially available sarcophagus having an equivalent composition for example, “Nonsar SK-1” (registered trademark of NOF Corporation) may be used.
- the amount of the surfactant (A) used varies depending on the specific surface area of the inorganic particles. In general, the larger the specific surface area, the larger the amount used.
- the amount of the surfactant (A) used in the present invention is proportional to the specific surface area Swx of the inorganic particles to be surface-treated, and is within a range of ⁇ 20% around the amount represented by the following formula (1). When used, it has been found that the effect of the present invention is better.
- Examples of the compound (B) having chelating ability with respect to alkaline earth metals used in the present invention include ethylenediamine tetraacetic acid, -trimethyltriacetic acid, hydroxyethylethylenediamine triacetic acid, diethylenetriamine penta Aminocarboxylic acid chelating agents represented by acetic acid, triethylenetetraamine hexaacetic acid, hydroxyethylidene diphosphite, nitrilotrismethy Phosphonic acid-based chelating agents such as lenphosphonic acid, water treatment agents composed of aluminum compounds such as polysalt-aluminum, polycarboxylic acids such as polyacrylic acid and succinic acid and their salts, and maleic acid such as polyacrylic acid. Examples thereof include salts of itaconic acid copolymers, or phosphoric acids such as polyphosphoric acid and condensed phosphoric acid, and salts thereof.
- polycarboxylic acid salts include sodium polyacrylate and ammonium polyacrylate
- copolymer salts include acrylic acid and maleic acid copolymer (polymerization ratio 100: 80, etc.).
- Ammonium salt of acrylic acid and methacrylic acid copolymer (polymerization ratio 100: 80, etc.)
- phosphoric acid salts such as sodium hexametaphosphate, sodium polyphosphate, sodium pyrophosphate, etc. These may be used alone or in combination of two or more as required.
- the compound (B) having a chelating ability with respect to these alkaline earth metals requires a high degree of insulation such as a lithium secondary battery, polyphosphoric acid, condensed phosphoric acid, and polyvalent Among the preferred carboxylic acids or salts thereof, cyclic condensed phosphoric acid or metaphosphoric acid of condensed phosphoric acid is preferred.
- the amount of the compound (B) having a chelating ability with respect to the alkaline earth metal is determined by the surfactant.
- the amount of the compound (B) having a chelating ability with respect to the alkaline earth metal is proportional to the specific surface area Swx of the inorganic particles to be surface-treated, and is mainly based on the amount represented by the following formula (2). It has been found that if it is used within a range of 20% or less, the effect of the present invention is better.
- the inorganic particles used in the present invention are not particularly limited as long as they are generally water-insoluble.
- barium sulfate, calcium carbonate, basic magnesium carbonate, magnesium hydroxide, hydroxysite, hydroxyapatite, talc, clay There are main and sub-components like Alternatively, those containing an alkaline earth metal as an impurity are preferable, and calcium carbonate, basic magnesium carbonate, magnesium hydroxide, hydroxytalcite, and hydroxyapatite are particularly preferable.
- calcium sulfate and calcium carbonate are particularly preferred because they are safe and inexpensive to obtain, and the particle size operation is relatively easy, and the impurities contained in the particles are small and easy to remove.
- the production process is more secure, and the raw material itself is more preferable because it produces abundant high-quality limestone in Japan.
- Calcium carbonate generally reacts heavy calcium carbonate obtained by mechanically pulverizing limestone, classifying the pulverized material to prepare various grades, quick lime obtained by firing limestone at high temperature, and water.
- the lime milk is prepared, and the carbon dioxide compounding method in which the carbon dioxide gas generated during limestone baking is conducted to the lime milk to synthesize calcium carbonate, the lime sodium carbonate method in which sodium carbonate reacts with the lime milk, the carbonated calcium carbonate Salt that reacts with soda Calcium is roughly divided into two types: precipitated calcium carbonate (synthetic calcium carbonate) prepared by chemical methods such as sodium carbonate method.
- the surface-treated calcium carbonate satisfies the conditions of the present invention, there is no difference in physical properties depending on the production method, but heavy calcium carbonate has various limestone as a raw material other than calcium carbonate because of its production method. For example, it is not preferable for battery separator applications that require high-purity calcium carbonate that dislikes such impurities. Furthermore, calcium carbonate having a broad particle size distribution and fineness above a certain level is not preferable because it cannot be produced by the current grinding and classification technology.
- the lime sodium carbonate method in which sodium carbonate is reacted with lime milk, the soda method in which sodium carbonate is reacted with salt calcium, etc. have a sharp particle size of the resulting precipitated calcium carbonate and can be easily manipulated. Since it contains very few impurities, it is advantageous for battery separator applications.
- Precipitated calcium carbonate obtained by reacting lime milk obtained by calcining limestone and dissolving the obtained quick lime in water and carbon dioxide gas obtained at the time of firing has fine particles and is primary. It is possible to adjust the particle size and remove coarse particles according to the reaction conditions and the post-reaction process with a uniform particle size 'shape and a small amount of impurities, and it is economical and environmentally friendly to the physical properties of the resulting particles. It is also excellent in terms of load, and is suitable for use in, for example, a battery separator film. When used for battery separator applications, it is preferable to select limestone as a raw material while paying attention to impurities.
- the fuel used for firing is generally the power used by Kortas or light oil. Viewpoint power The firing is more preferably performed with light oil.
- the calcium carbonate particles obtained by the reaction are classified using gravity, centrifugal force, buoyancy beneficiation, etc., such as decantation, for the purpose of removing impurities and coarse particles when they are in the form of water slurry.
- the surface treatment method using the surfactant (A) described above for the obtained calcium carbonate particles and the compound (B) having a chelating ability for an alkaline earth metal includes, for example, a super mixer and a Henschel mixer.
- the surface treatment agent is directly mixed with the powder using a mixer called, and the surface treatment is performed by heating as necessary, generally in a method called dry treatment, and for example, the surfactant (A) and alkaline earth metal
- the compound (B) having chelating ability is dissolved in water or hot water, added to a stirring water slurry of calcium carbonate, and after surface treatment, dehydration and drying are generally performed by a method called wet treatment. Both However, the wet method alone is preferably used mainly from the economical point of view and the degree of treatment on the surface of the calcium carbonate particles.
- the surface-treated inorganic particles in the present invention preferably satisfy the following (1) force and (4) particle size characteristics.
- the surface-treated inorganic particles in the present invention are preferably in the range of average particle diameter D force ⁇ D ⁇ 1.5 [/ ⁇ ⁇ ] measured with a micro track FRA manufactured by Leeds & Northrup.
- some of the particles are present as secondary particles in the reinforced resin, and for example, voids exceeding the desired size in the porous film for light reflecting layers and the film for battery separators.
- voids exceeding the desired size in the porous film for light reflecting layers and the film for battery separators For example, when used in a light reflecting film, unevenness of reflected light is likely to occur. Therefore, when used in, for example, a separator film, the ion permeability is not preferable.
- the particle diameter Dx measured from the electron microscope field of the surface-treated inorganic particles in the present invention is preferably 0.02 ⁇ Dx ⁇ 0.6 [ ⁇ m]. 0.02 ⁇ 0.4 [ ⁇ m] Better Good.
- the particle size Dx exceeds 0.6 m, for example, when it is blended in a porous film for light reflectors or a separator film for batteries, it creates large pores that are larger than intended, so it is preferably less than 0.02 ⁇ m.
- the voids formed between the particles and the particles tend to be too small, and it is not preferable.
- a porous film for a light reflector is not preferable because it creates a larger pore than intended.
- the surface-treated inorganic particles in the present invention preferably have a maximum particle size Da as measured by the above Microtrack FRA within a range of Da ⁇ 20 [m] Da ⁇ 5 [m] It is more preferable that it is within the range of Da ⁇ 3 [ ⁇ m], particularly when used for a battery separator film.
- the maximum particle size Da exceeds 20 m, for example, when incorporated in a porous film for a light reflector or a separator film for a battery, a larger hole than intended is created, which is not preferable.
- the medium used for the measurement with Microtrack FRA is appropriately selected depending on the surface treatment agent used for the surface treatment of the particles. Usually, the medium treated with a surface treatment agent exhibiting hydrophilicity is used. For the surface treated with a hydrophobic surface treating agent, methanol or ethanol is preferably used.
- the measurement was performed after irradiating at 300 A for 60 seconds using an ultrasonic disperser Ultra Sonic Generator US-300T manufactured by Nippon Seiki Seisakusho as pre-dispersion in water or methanol / ethanol slurry used for measurement.
- the surface-treated inorganic particles in the present invention preferably have a BET specific surface area Sw force S3 ⁇ Sw ⁇ 60 [mVg] by nitrogen adsorption method, more preferably 5 ⁇ Sw ⁇ 20 [mVg] or less.
- the BET specific surface area Sw is 60 m 2 Zg exceeds the above ⁇ tool than void in terms of dispersibility since becomes smaller tend Rutotomoni particles tend to be agglomerated preferably Nag 3m 2 Zg, the size of primary particles
- porous films for light reflectors and separator films for batteries When mixed with film, it creates larger pores than intended, so it is not suitable as a particle for use in knocklight devices or lithium secondary batteries.
- the filler for a porous film having surface-treated inorganic particle force obtained as described above is blended with various types of resin, particularly olefin-based resin, and is used for various purposes, particularly for light reflecting plates, Used in the production of porous films such as battery separators.
- the resin used in the present invention is not particularly limited.
- polyethylene When used as a battery separator film, polyethylene is more preferable among the above-mentioned shutdown mechanisms, handling at the time of battery production, and cost-effective polyethylene resin such as polyethylene and polypropylene.
- the blending ratio of the filler for porous film and these rosins is not particularly limited, and varies greatly depending on the type and use of rosin, desired physical properties and costs, and may be appropriately determined according to them.
- the amount is 60 to 150 parts by weight, preferably about 80 to 120 parts by weight, based on 100 parts by weight of the resin.
- lubricants such as fatty acids, fatty acid amides, ethylenebisstearic acid amides, sorbitan fatty acid esters and the like for the purpose of improving the film properties within the range without inhibiting the effectiveness of the filler for porous films of the present invention
- Plasticizers and stabilizers, acid / antioxidant, etc. may be added, and additives generally used in film resin compositions, such as lubricants, antioxidants, heat stabilizers, light stabilizers, You may mix
- the filler for a porous film of the present invention and the above-mentioned various additives are blended with a resin, it is usually kneaded with a single- or twin-screw extruder, an adder, a Banbury mixer, etc., and a T-die or the like. Porous film having fine pores by stretching uniaxially or biaxially after forming the sheet It is regarded as a product.
- a known molding machine such as ⁇ die extrusion or inflation molding is used to form a film, which is acid-treated to dissolve the filler for the porous film of the present invention to have fine pores.
- a porous film product As a porous film product.
- pellets and powders adjusted to an arbitrary particle size as the shape of the resin, and powder dispersion is used to disperse the particles.
- the filler for porous film of the present invention when used with pellet-shaped resin, it exhibits good physical properties such as dispersibility in resin compared to particles other than the present invention. It is particularly good when mixed with rosin.
- a Henschel mixer for example, in addition to the merit that mixing can be performed quickly, there is less adhesion to the inner wall of the mixer and the blades for stirring and mixing.
- Features such as reduced generation of agglomerated agglomerates that induce adhesion inside the mixer, less work of mixing and less clogging of the strainer in the kneading extruder in the subsequent process, etc.
- the raw material charging method is not limited to the dispersion of particles in the resin, but also the influence on the Ml value of the resin itself and the cost.
- the filler for porous film of the present invention is added to the resin, it is selected in consideration of them, but a mixture mixed with a resin powder having an appropriate particle size range with a Henschel mixer or the like is used.
- a method of quantitatively charging it into a hopper of a kneader such as a shaft kneader is preferable.
- a pellet containing various additives such as a filler for the porous film of the present invention, which is called a master batch, was once prepared, and then the additive-free calorie was added.
- the film may be melted and filmed together with the koji resin.
- a plurality of T-die extruders in the above process may be stacked, or a process of laminating at the time of stretching may be introduced to form a multilayer film, or for the purpose of imparting printability to the above film. It is also possible to coat the ink receiving layer by subjecting the film surface to surface treatment such as plasma discharge.
- % means “% by weight” unless otherwise specified.
- a mixed processing agent A1 separately prepared with the composition shown below is dissolved in 3.3% of calcium carbonate solids in hot water at 80 ° C to obtain an aqueous solution of the surfactant (A).
- sodium hexametaphosphate (reagent grade 1) as a compound having chelating ability to alkaline earth metal (hereinafter referred to as chelate compound) (B) is 0.9% based on the solid content of calcium carbonate.
- An aqueous solution of the chelate compound (B) was prepared by dissolving in 40 ° C water.
- the previously obtained precipitated calcium carbonate slurry was adjusted to 60 ° C while stirring, and the above-mentioned chelate compound (B) and surfactant (A) were added thereto in this order, followed by stirring for 4 hours for surface treatment. A calcium carbonate slurry was obtained.
- the surface-treated calcium carbonate slurry was removed with a high-speed decanter manufactured by Tanabe Wiltech Co., Ltd. and a 350-mesh sieve to remove foreign substances and coarse particles, dehydrated and dried, and pulverized. Classification was performed with a classifier to obtain a surface-treated calcium carbonate powder.
- the resulting surface-treated calcium carbonate powder has a D force of ⁇ m, Dx of 0.15 ⁇ m, and Da of
- a surface-treated calcium carbonate powder was obtained in the same manner as in Example 1 except that the surfactant (A) was changed to potassium stearate. Obtained surface treated calcium carbonate powder Table 1 shows various physical properties of the body.
- a surface-treated calcium carbonate powder was obtained in the same manner as in Example 1 except that the surfactant (A) was changed to sodium laurate.
- Table 1 shows the various physical properties of the obtained surface-treated calcium carbonate powder.
- a surface-treated calcium carbonate powder was obtained in the same manner as in Example 1 except that the surfactant (A) was changed to sodium oleate.
- Table 1 shows various physical properties of the obtained surface-treated calcium carbonate powder.
- a surface-treated calcium carbonate powder was obtained in the same manner as in Example 1 except that the surfactant (A) was changed to sodium abietic acid.
- Table 1 shows the various physical properties of the obtained surface-treated calcium carbonate powder.
- a surface treated calcium carbonate powder was obtained in the same manner as in Example 1 except that the surfactant (A) was changed to lauric acid.
- Table 1 shows various physical properties of the obtained surface-treated calcium carbonate powder.
- a surface-treated calcium carbonate powder was obtained in the same manner as in Example 1 except that the chelate compound (B) was changed to polysalt-aluminum. Table 1 shows the various physical properties of the obtained surface-treated calcium carbonate powder.
- a surface-treated calcium carbonate powder was obtained in the same manner as in Example 1 except that the chelate compound (B) was changed to sodium polyacrylate.
- Table 1 shows the various physical properties of the obtained surface-treated calcium carbonate powder.
- a surface-treated calcium carbonate powder was obtained in the same manner as in Example 1 except that the chelate compound (B) was changed to -trimethyltriacetic acid.
- the surface-treated calcium carbonate powder obtained Various physical properties are shown in Table 1.
- a surface-treated calcium carbonate powder was obtained in the same manner as in Example 1 except that the chelate compound (B) was changed to hydroxyethylidene diphosphorous acid.
- Table 1 shows the various physical properties of the obtained surface-treated carbonated lucium powder.
- a surface-treated calcium carbonate powder was obtained in the same manner as in Example 1 except that the chelate compound (B) was changed to polyacrylic acid and maleic acid copolymer (polymerization ratio 100: 80). Table 1 shows the various physical properties of the obtained surface-treated calcium carbonate powder.
- a surface-treated calcium carbonate powder was obtained in the same manner as in Example 1 except that the amount of surfactant (A) added to calcium carbonate was changed to 5%.
- Table 1 shows the various physical properties of the obtained surface-treated calcium carbonate powder.
- a surface-treated calcium carbonate powder was obtained in the same manner as in Example 1 except that the amount of the chelate compound (B) added to calcium carbonate was changed to 2%.
- Table 1 shows the various physical properties of the obtained surface-treated calcium carbonate powder.
- Example 1 except that grain growth by aging was stopped at a BET specific surface area of Swxm 2 Zg, and the addition amounts of surfactant (A) and chelate compound (B) were changed to the values shown in Table 2, respectively.
- a water slurry containing 10% precipitated calcium carbonate was obtained by the same method as in Example 1, and the same operation as in Example 1 was performed to obtain a surface-treated calcium carbonate powder.
- Table 1 shows the various physical properties of the obtained surface-treated calcium carbonate powder.
- Example 20 The same operation as in Example 1 was conducted except that the surfactant (A) was changed to a commercially available stone wall (registered trademark NONSAR SK-1 manufactured by NOF Corporation) and the chelate compound (B) was changed to sodium hexametaphosphate for industrial use. And surface-treated calcium carbonate powder was obtained. Table 1 shows the various physical properties of the obtained surface-treated calcium carbonate powder.
- the calcium carbonate slurry surface-treated with sodium hexametaphosphate was dehydrated and diluted repeatedly with a high-speed decanter etc. to remove counterions and foreign substances, adjusted to 60 ° C, and 2.9% of the calcium carbonate solid content.
- the mixed treatment agent A1 was dissolved in 80 ° C hot water and then added to the calcium carbonate slurry, and stirred for 4 hours to obtain a surface-treated calcium carbonate slurry.
- the obtained surface-treated calcium carbonate slurry was dried and crushed.
- the obtained dry powder was classified with an air classifier to obtain a surface-treated calcium carbonate powder.
- Obtained surface-treated charcoal Table 1 shows the various physical properties of calcium oxide powder.
- Example 1 Using the coatas as the heat source, the same procedure as in Example 1 was performed except that the gray dense limestone was baked in the shaft kiln and the foreign matter removal process was not performed. . Table 1 shows the various physical properties of the obtained surface-treated calcium carbonate powder.
- the slurry was wet pulverized with a dyno mill KB-20B, a wet pulverizer, to obtain an aqueous slurry of calcium carbonate having a BET specific surface area of 0.9 m 2 Zg. .
- the calcium carbonate slurry obtained above was adjusted to 60 ° C while stirring, and the above-mentioned chelate compound (B) and surfactant (A) were added in this order, and the mixture was stirred for 4 hours to surface-treat carbonic acid. Lucium slurry was obtained.
- the surface-treated calcium carbonate slurry was removed with a high-speed decanter manufactured by Tanabe Wiltech Co., Ltd. and a 350-mesh sieve to remove foreign substances and coarse particles, dehydrated and dried, and pulverized. Classification was performed with a classifier to obtain a surface-treated calcium carbonate powder. Table 1 shows the various physical properties of the obtained surface-treated calcium carbonate powder.
- the barium sulfate slurry obtained previously was adjusted to 60 ° C. while stirring, and the above-described chelate compound (B) and surfactant (A) were added to the slurry in this order. A calcium slurry was obtained.
- the obtained surface-treated barium sulfate slurry is removed with a 350 mesh sieve to remove foreign matter and coarse particles, dehydrated and dried, and then the resulting dry powder is classified with an air classifier. Got the body.
- Table 1 shows the various physical properties of the obtained surface-treated barium sulfate powder.
- a surface-treated calcium carbonate powder was obtained in the same manner as in Example 1 except that the chelate compound (B) was not used as a treating agent.
- Table 1 shows the various physical properties of the obtained surface-treated calcium carbonate powder.
- a surface-treated calcium carbonate powder was obtained in the same manner as in Example 1 except that the surfactant (A) was not used as a treating agent! Table 1 shows various physical properties of the obtained surface-treated calcium carbonate powder.
- Example 1 i Example 2 Example 3 Example 4 Example 5! Example 6 Example 7 Example 8 Surfactant (A) Surfactant A1! Stearic acid Lauric acid Aileic acid Abietic acid! Lauric Acid Surfactant A 1 Surfactant A1 Potassium Nad "um sodium sodium
- Example 1 7 Example 1 8 Example 19 Example 20 Example 21 Example 22 Example 23 Example 24 Surfactant (A) Surfactant A1 Surfactant A1 Surfactant A1 SK-1 Surfactant A1 Surfactant A1 Surfactant A1 Addition (%) 7 5 20 3.3 2.9 3.3 0.3 1.2 Chelating agent (B) Hexametaphosphate Hexametaphosphate Hexametaphosphate Hexametaphosphate Hexametasuccinate Oxametaphosphate Hexametaphosphate Hexametaphosphate Na Jum Natrium Natrium Sodium (Industrial) Sodium Sodium Natrium Sodium Addition ( ⁇ 1 ⁇ 2) 1.9 1.5 7 0.9 0.8 0.9 0.1 0.38 BET Swx 21 21 of inorganic particles 58 10 3.2 10 0.9 3.4 Average particle size D 50 0.74 0.94 0.98 0.482 0.61 0.524 0.98 0.783 Average diameter in electron microscope field Dx 0.03 0.03 0.02 0.15 0.62 0.15 0.94 0.54
- the obtained mixture was processed into a pellet form by a vent type twin screw extruder.
- An unstretched sheet was obtained from the pellets using an extruder equipped with a T die.
- the obtained unstretched sheet was stretched about 7 times in a tenter oven at a temperature of 140 ° C. to obtain a 180 m porous stretched film.
- a polyester hot melt adhesive was applied to the obtained porous stretched film with a gravure coater to a thickness of 7 m.
- a 200 ⁇ m thick aluminum film as a plate-like support was laminated at a temperature of 75 ° C. on the porous stretched film coated with this adhesive to obtain a light reflector.
- the adhesive strength was 100 gZcm 2 .
- the light reflecting plate thus obtained was measured and evaluated for total light reflectance, luminance unevenness, and color change (yellowing) during continuous lighting. The results are shown in Table 2.
- the total light reflectance was obtained by calculating the average value of the reflectance of each wavelength measured in the wavelength range of 40 nm to 700 nm in accordance with JIS-Z-8701.
- the light reflector was left for 24 hours in an environment of 83 ° C and 50% relative humidity.
- the uneven brightness was evaluated using a 24-inch type direct surface light source display device.
- the light reflection plate obtained in Examples 25 to 48 and Comparative Examples 3 to 4 was molded as the light reflection plate 4 of the surface light source display device, and the cold cathode lamp 2 and the front surface inside the housing 1 were used. LCD cell 3 was installed.
- Example 25 Example 26 Example 27 Example 28 Example 29 Example 30
- Example 31 Example 32 Used filler Example 1 Example 2 Example 3 Example 4
- Example 5 Example 6
- Example 6 Total light reflectance Before durability test [%] 95.5 94.8 93.4 92.4 90.5 93.4 92 94.6 After durability test [%] 95.3 92.6 91.1 90.5 89.9 89.8 91.3 94 Rate of change [%] 0.21 2.32 2.46 2.06 0.66 3.85 0.76 0.63 -] OO 0 OOOOO Color change lEH [-] 0.24 0.47 0.44 0.96 0.45 0.57 0.53 0.54 Rating ⁇ OOO 0 OOO Overall rating 5 3 3 2 2 3 3 4
- Example 33 Example 34 Example 35 Example 36 Example 37 Example 38 Example 39 Example 40 Used filler Example 9
- Example 10 Example 1 1 Example 1 2 Example 1 3
- Example 14 Example 1 5
- Example 1 6 Total light reflectance Before durability test [%] 91.6 92.2 92.6 95.2 94.8 94.4 92.4 93.2 After durability test [%] 89.8 91.2 91.4 93.9 94 93.4 91.9 92.8 Rate of change [%] 1.97 1.08 1.30 1.37 0.84 1.06 0.54 0.43 Luminance unevenness [-] OOOOOOOO Color change lEH [-] 0.88 0.56 0.58 0.43 0.47 0.43 0.51 0.42 Evaluation OOOOO 0 O ⁇ Overall evaluation 2 3 3 4 4 4 3 4
- Example 41 Example 42
- Example 43 Example 44
- Example 45 Example 46
- Example 47 Example 48 Particles Used Example 1 7
- Example 1 8 Example 1 9
- Example 20 Example 21
- Example 22 Example 23
- Example 24 Total light reflectance Before endurance test [] 95.2 93.1 92.9 95.3 90.4 92.9 89.6 89.4
- Example: A mixed polyethylene resin was prepared by mixing polyethylene resin (Mitsui Chemicals Noisetta Million 340M) and polyethylene wax (Mitsui Chemicals high wax 110 P) in a ratio of 7: 3. Charged to Henschel mixer at a volume ratio of 3: 7 for the porous film filler consisting of the surface-treated calcium carbonate powder obtained in 1 to 24 and Comparative Examples 1 and 2, and mixed for 5 minutes As a result, a porous film filler-resin mixture was obtained.
- polyethylene resin Mitsubishi Chemicals Noisetta Million 340M
- polyethylene wax Mitsubishi Chemicals high wax 110 P
- the obtained mixture was melt-kneaded and film-formed with a Toyo Seiki twin-screw kneader 2 D25W equipped with a T die to obtain a film with a thickness of 80 m.
- the obtained film was stretched about 5 times in the length direction at a temperature of 110 ° C. in a tenter oven to obtain a porous film.
- Ion permeability was evaluated by measuring the electrical conductivity of Li ions moving through the solution.
- the measuring method is that a porous film (47 mm in advance) obtained in the present invention is used instead of filter paper or a filter between a filter holder used in a filtration test or the like and a 250 ml funnel. After cutting into a 1L suction bottle filled with a mixed solution of ethylene carbonate, ethylmethyl carbonate, and dimethyl carbonate in a volume ratio of 30:35:35, add another mixture.
- the Gurley value of the porous film was measured with a B type densometer manufactured by Toyo Seiki.
- the average pore diameter was measured by the bubble point method with a Perm-Porometer (PMI).
- a small film thickness is advantageous for ion permeability, but since insulation between both electrodes and piercing strength are weakened, a film having a large film thickness while maintaining good ion permeability is preferable.
- Example 4 Example 5
- Example 7 Example 7 8 Ion permeability [/ S / cm] 820 670 660 480 510 450 640 720 Gurley permeability [sec lOOcc] 70 90 110 150 180 160 90 90 Average pore diameter [/ m] 0.087 0.094 0.092 0.104 0.11 0.14 0.098 0.096 Membrane Thickness [/ m] 45 44 45 44 46 45 45 45 Overall rating 5 3 3 2 2 3 3 4
- Example 57 Example 58
- Example 59 Example 60
- Example 61 Example 62
- Example 63 Example 64 Particles used
- Example 10 Example 11
- Example 12 Example 13
- Example 15 Example 15 16 Ion permeability [// S / cm] 520 630 590 700 740 720 620 710 Gas permeability [sec lOOcc] 160 140 150 90 100 80 120 90 Average pore diameter [jum] 0.121 0.114 0.102 0.095 0.094 0.095 0.111 0.099 Film thickness [jUm] 44 46 47 46 43 44 45 46 Overall evaluation 2 3 3 4 4 4 3 4
- the filler for a porous film of the present invention can be easily mixed with a resin and has good dispersibility in a resin, and is useful, for example, as a light reflecting plate of a liquid crystal display device or a lighting device.
- a porous film useful as a separator between battery electrodes can be provided.
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Inorganic Chemistry (AREA)
- Materials Engineering (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Manufacturing & Machinery (AREA)
- Health & Medical Sciences (AREA)
- Composite Materials (AREA)
- Medicinal Chemistry (AREA)
- Electrochemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Mechanical Engineering (AREA)
- Dispersion Chemistry (AREA)
- Manufacture Of Porous Articles, And Recovery And Treatment Of Waste Products (AREA)
- Cell Separators (AREA)
- Compositions Of Macromolecular Compounds (AREA)
Abstract
Description
Claims
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN2005800434368A CN101080453B (zh) | 2004-12-17 | 2005-12-09 | 多孔膜用填充剂及配合有该填充剂的多孔膜 |
US11/792,523 US20080182933A1 (en) | 2004-12-17 | 2005-12-09 | Filler for Porous Film and Porous Film Containing the Same |
Applications Claiming Priority (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2004-365544 | 2004-12-17 | ||
JP2004365544A JP5027385B2 (ja) | 2004-12-17 | 2004-12-17 | 多孔質フィルム用填剤及び該填剤を配合してなる多孔質フィルム |
JP2005089057A JP5100972B2 (ja) | 2005-03-25 | 2005-03-25 | 光反射多孔質フィルム用填剤及び該填剤を配合してなる光反射多孔質フィルム |
JP2005-089057 | 2005-03-25 |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2006064729A1 true WO2006064729A1 (ja) | 2006-06-22 |
Family
ID=36587785
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/JP2005/022649 WO2006064729A1 (ja) | 2004-12-17 | 2005-12-09 | 多孔質フィルム用填剤及び該填剤を配合してなる多孔質フィルム |
Country Status (3)
Country | Link |
---|---|
US (1) | US20080182933A1 (ja) |
KR (1) | KR101208339B1 (ja) |
WO (1) | WO2006064729A1 (ja) |
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP1985650A1 (en) * | 2006-02-01 | 2008-10-29 | Maruo Calcium Company Limited | Micropore forming agent for porous resin film and composition for porous resin film containing the agent |
KR101070800B1 (ko) * | 2007-06-21 | 2011-10-10 | 코오롱인더스트리 주식회사 | 폴리아미드 필름 |
WO2014058057A2 (ja) * | 2012-10-12 | 2014-04-17 | 丸尾カルシウム株式会社 | 樹脂用炭酸カルシウム填料及び該填料を含む樹脂組成物 |
JPWO2013168600A1 (ja) * | 2012-05-08 | 2016-01-07 | 丸尾カルシウム株式会社 | 表面処理炭酸カルシウム填料、及び該填料を含有する硬化型樹脂組成物 |
Families Citing this family (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102150298B (zh) * | 2008-09-12 | 2014-10-29 | 日本韦琳株式会社 | 锂离子二次电池用隔板、其制造方法及锂离子二次电池 |
CN102712788B (zh) * | 2010-01-29 | 2014-05-28 | 丸尾钙株式会社 | 树脂用表面处理碳酸钙填充剂及含有该填充剂的树脂组合物 |
US8741995B2 (en) | 2010-02-15 | 2014-06-03 | Shiraishi Kogyo Kaisha, Ltd. | Surface-treated calcium carbonate and paste-like resin composition containing same |
PT2410023E (pt) | 2010-07-20 | 2013-01-25 | Omya Development Ag | Processo para a preparação de material de carbonato de cálcio de superfície tratada e a sua utilização no controlo de material orgânico num meio aquoso |
US9683101B2 (en) | 2010-09-22 | 2017-06-20 | Daramic, Llc | Batteries, separators, components, and compositions with heavy metal removal capability and related methods |
PL3517578T3 (pl) * | 2010-09-22 | 2022-06-13 | Daramic, Llc | Ulepszony separator do akumulatorów kwasowoołowiowych i zastosowanie tego separatora |
AR088536A1 (es) | 2011-10-25 | 2014-06-18 | Imerys Minerals Ltd | Rellenos particulados |
DE102012001544A1 (de) * | 2012-01-16 | 2013-07-18 | Ewald Dörken Ag | Verfahren zur Herstellung einer Mikrofiltrationsmembran und Mikrofiltrationsmembran |
EP2861675B1 (en) | 2012-06-13 | 2018-09-05 | Amril AG | Dispersing agent comprising fillers or pigments |
US9819055B2 (en) | 2013-03-14 | 2017-11-14 | Bigzet Incorporated | Electrolyte and sulfuric acid battery containing same |
US9711771B2 (en) | 2013-09-18 | 2017-07-18 | Celgard, Llc | Porous membranes filled with nano-particles, separators, batteries, and related methods |
US20190386276A1 (en) * | 2017-03-06 | 2019-12-19 | Council Of Scientific And Industrial Research | Porous polybenzimidazole as separator for lithium ion batteries |
Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2001072890A (ja) * | 1999-09-06 | 2001-03-21 | Maruo Calcium Co Ltd | 表面処理炭酸カルシウム、及び多孔性フィルム用樹脂組成物、並びに多孔性フィルムの製造方法 |
JP2002363443A (ja) * | 2001-06-01 | 2002-12-18 | Maruo Calcium Co Ltd | 表面処理無機フィラー及びこれを配合した樹脂組成物 |
JP2003034760A (ja) * | 2001-05-18 | 2003-02-07 | Maruo Calcium Co Ltd | 表面処理重質炭酸カルシウム、その製造方法、及び表面処理重質炭酸カルシウムを配合してなる樹脂組成物 |
JP2004101600A (ja) * | 2002-09-05 | 2004-04-02 | Toray Ind Inc | 光反射フィルムおよびその製造方法 |
JP2004138715A (ja) * | 2002-10-16 | 2004-05-13 | Furukawa Electric Co Ltd:The | 光反射板およびその製造方法 |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP4880824B2 (ja) * | 2001-04-12 | 2012-02-22 | 住友化学株式会社 | 多孔性フィルム |
WO2004035476A1 (ja) * | 2002-10-15 | 2004-04-29 | Maruo Calcium Company Limited | 凝集粒子及びそれを配合してなる樹脂組成物 |
JP3981335B2 (ja) * | 2003-03-07 | 2007-09-26 | 丸尾カルシウム株式会社 | バックライト用光拡散性合成樹脂フィルムに用いられる光拡散剤及び該光拡散剤を用いたバックライト用光拡散性合成樹脂フィルム |
-
2005
- 2005-12-09 WO PCT/JP2005/022649 patent/WO2006064729A1/ja active Application Filing
- 2005-12-09 KR KR1020077014122A patent/KR101208339B1/ko active IP Right Grant
- 2005-12-09 US US11/792,523 patent/US20080182933A1/en not_active Abandoned
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2001072890A (ja) * | 1999-09-06 | 2001-03-21 | Maruo Calcium Co Ltd | 表面処理炭酸カルシウム、及び多孔性フィルム用樹脂組成物、並びに多孔性フィルムの製造方法 |
JP2003034760A (ja) * | 2001-05-18 | 2003-02-07 | Maruo Calcium Co Ltd | 表面処理重質炭酸カルシウム、その製造方法、及び表面処理重質炭酸カルシウムを配合してなる樹脂組成物 |
JP2002363443A (ja) * | 2001-06-01 | 2002-12-18 | Maruo Calcium Co Ltd | 表面処理無機フィラー及びこれを配合した樹脂組成物 |
JP2004101600A (ja) * | 2002-09-05 | 2004-04-02 | Toray Ind Inc | 光反射フィルムおよびその製造方法 |
JP2004138715A (ja) * | 2002-10-16 | 2004-05-13 | Furukawa Electric Co Ltd:The | 光反射板およびその製造方法 |
Cited By (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP1985650A1 (en) * | 2006-02-01 | 2008-10-29 | Maruo Calcium Company Limited | Micropore forming agent for porous resin film and composition for porous resin film containing the agent |
EP1985650A4 (en) * | 2006-02-01 | 2010-10-27 | Maruo Calcium | MICROPORENBILDNER FOR POROUS RESIN FOIL AND THE MICROPORENBILDNER CONTAINING COMPOSITION FOR POROUS RESIN FOIL |
KR101070800B1 (ko) * | 2007-06-21 | 2011-10-10 | 코오롱인더스트리 주식회사 | 폴리아미드 필름 |
JPWO2013168600A1 (ja) * | 2012-05-08 | 2016-01-07 | 丸尾カルシウム株式会社 | 表面処理炭酸カルシウム填料、及び該填料を含有する硬化型樹脂組成物 |
WO2014058057A2 (ja) * | 2012-10-12 | 2014-04-17 | 丸尾カルシウム株式会社 | 樹脂用炭酸カルシウム填料及び該填料を含む樹脂組成物 |
WO2014058057A3 (ja) * | 2012-10-12 | 2014-06-19 | 丸尾カルシウム株式会社 | 樹脂用炭酸カルシウム填料及び該填料を含む樹脂組成物 |
JPWO2014058057A1 (ja) * | 2012-10-12 | 2016-09-05 | 丸尾カルシウム株式会社 | 樹脂用炭酸カルシウム填料及び該填料を含む樹脂組成物 |
US9815953B2 (en) | 2012-10-12 | 2017-11-14 | Maruo Calcium Co., Ltd. | Calcium carbonate filler for resin, and resin composition containing said filler |
Also Published As
Publication number | Publication date |
---|---|
KR20070086514A (ko) | 2007-08-27 |
KR101208339B1 (ko) | 2012-12-05 |
US20080182933A1 (en) | 2008-07-31 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
WO2006064729A1 (ja) | 多孔質フィルム用填剤及び該填剤を配合してなる多孔質フィルム | |
US7977410B2 (en) | Fine pore formation agent for porous resin film and composition containing the same for porous resin film | |
KR101336091B1 (ko) | 수지용 표면처리 탄산칼슘 필러 및 이 필러를 함유하여 이루어지는 수지 조성물 | |
CN101080453B (zh) | 多孔膜用填充剂及配合有该填充剂的多孔膜 | |
JP5100972B2 (ja) | 光反射多孔質フィルム用填剤及び該填剤を配合してなる光反射多孔質フィルム | |
US8975322B2 (en) | Calcium carbonate filler for resin, process for producing the same, and resin composition containing the filler | |
TWI632113B (zh) | Calcium carbonate filler for resin and resin composition containing the same | |
JP5506228B2 (ja) | コロイド炭酸カルシウム填剤及びその製造方法、並びに該填剤を配合してなる樹脂組成物 | |
US9815953B2 (en) | Calcium carbonate filler for resin, and resin composition containing said filler | |
JP2005290054A (ja) | 重質炭酸カルシウムからなる合成樹脂添加剤及びこれを含有してなる合成樹脂組成物 | |
JP3981335B2 (ja) | バックライト用光拡散性合成樹脂フィルムに用いられる光拡散剤及び該光拡散剤を用いたバックライト用光拡散性合成樹脂フィルム | |
JP2021006612A (ja) | 樹脂組成物、フィルム及び副生炭酸カルシウムの製造方法 | |
TWI394783B (zh) | A filler for a porous film, and a porous film having the filler | |
JPWO2018047841A1 (ja) | 微粒子複合金属水酸化物、その焼成物、その製造方法及びその樹脂組成物 | |
WO2019021542A1 (ja) | タイチャイト粒子、タイチャイト粒子の製造方法及びタイチャイト粒子の用途 | |
WO2001042139A1 (fr) | Production de carbonate de calcium de forme cubique | |
JP2012193267A (ja) | ハイドロタルサイト含有マスターペレット |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
AK | Designated states |
Kind code of ref document: A1 Designated state(s): AE AG AL AM AT AU AZ BA BB BG BR BW BY BZ CA CH CN CO CR CU CZ DE DK DM DZ EC EE EG ES FI GB GD GE GH GM HR HU ID IL IN IS KE KG KM KN KP KR KZ LC LK LR LS LT LU LV LY MA MD MG MK MN MW MX MZ NA NG NI NO NZ OM PG PH PL PT RO RU SC SD SE SG SK SL SM SY TJ TM TN TR TT TZ UA UG US UZ VC VN YU ZA ZM ZW |
|
AL | Designated countries for regional patents |
Kind code of ref document: A1 Designated state(s): BW GH GM KE LS MW MZ NA SD SL SZ TZ UG ZM ZW AM AZ BY KG KZ MD RU TJ TM AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HU IE IS IT LT LU LV MC NL PL PT RO SE SI SK TR BF BJ CF CG CI CM GA GN GQ GW ML MR NE SN TD TG |
|
121 | Ep: the epo has been informed by wipo that ep was designated in this application | ||
WWE | Wipo information: entry into national phase |
Ref document number: 11792523 Country of ref document: US |
|
WWE | Wipo information: entry into national phase |
Ref document number: 200580043436.8 Country of ref document: CN |
|
NENP | Non-entry into the national phase |
Ref country code: DE |
|
WWE | Wipo information: entry into national phase |
Ref document number: 1020077014122 Country of ref document: KR |
|
122 | Ep: pct application non-entry in european phase |
Ref document number: 05814760 Country of ref document: EP Kind code of ref document: A1 |