WO2014034029A1 - 撹拌装置に使用される容器、撹拌装置、及び非水電解質蓄電デバイス用セパレータの製造方法 - Google Patents
撹拌装置に使用される容器、撹拌装置、及び非水電解質蓄電デバイス用セパレータの製造方法 Download PDFInfo
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- WO2014034029A1 WO2014034029A1 PCT/JP2013/004733 JP2013004733W WO2014034029A1 WO 2014034029 A1 WO2014034029 A1 WO 2014034029A1 JP 2013004733 W JP2013004733 W JP 2013004733W WO 2014034029 A1 WO2014034029 A1 WO 2014034029A1
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- epoxy resin
- container used
- container
- shaft portion
- stirring
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D19/00—Degasification of liquids
- B01D19/02—Foam dispersion or prevention
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
- B01F29/00—Mixers with rotating receptacles
- B01F29/10—Mixers with rotating receptacles with receptacles rotated about two different axes, e.g. receptacles having planetary motion
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
- B65D25/00—Details of other kinds or types of rigid or semi-rigid containers
- B65D25/02—Internal fittings
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
- B65D25/00—Details of other kinds or types of rigid or semi-rigid containers
- B65D25/14—Linings or internal coatings
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
- B65D43/00—Lids or covers for rigid or semi-rigid containers
- B65D43/02—Removable lids or covers
- B65D43/0202—Removable lids or covers without integral tamper element
- B65D43/0225—Removable lids or covers without integral tamper element secured by rotation
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
- B65D43/00—Lids or covers for rigid or semi-rigid containers
- B65D43/14—Non-removable lids or covers
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- 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
- H01M50/403—Manufacturing processes of separators, membranes or diaphragms
- H01M50/406—Moulding; Embossing; Cutting
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- 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
- H01M50/411—Organic material
- H01M50/414—Synthetic resins, e.g. thermoplastics or thermosetting resins
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- 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
- H01M50/463—Separators, membranes or diaphragms characterised by their shape
- H01M50/469—Separators, membranes or diaphragms characterised by their shape tubular or cylindrical
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
- B65D2251/00—Details relating to container closures
- B65D2251/0003—Two or more closures
- B65D2251/0006—Upper closure
- B65D2251/0018—Upper closure of the 43-type
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
- B65D2251/00—Details relating to container closures
- B65D2251/0003—Two or more closures
- B65D2251/0068—Lower closure
- B65D2251/0081—Lower closure of the 43-type
-
- 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 container used for a stirrer, a stirrer, and a method for producing a separator for a nonaqueous electrolyte electricity storage device.
- polyolefin porous membranes have been used as separators for nonaqueous electrolyte electricity storage devices.
- the polyolefin porous membrane can be produced by the method described below.
- a polyolefin solution is prepared by mixing and heating a solvent and a polyolefin resin.
- a mold such as a T-die
- the polyolefin solution is discharged and cooled while forming into a sheet shape to obtain a sheet-like molded body.
- a solvent is removed from a molded object.
- An organic solvent is used in the step of removing the solvent from the molded body (see Patent Document 1).
- halogenated organic compound such as dichloromethane is often used as the organic solvent.
- the use of halogenated organic compounds is problematic because the environmental burden is very large.
- a step of preparing an epoxy resin composition containing an epoxy resin, a curing agent, and a porogen, and a cured product of the epoxy resin composition are formed into a sheet shape so as to obtain an epoxy resin sheet
- a method for producing a separator for a nonaqueous electrolyte electricity storage device including a step and a step of removing porogen from an epoxy resin sheet using a halogen-free solvent (see Patent Document 3).
- the porogen is removed from the epoxy resin sheet using a halogen-free solvent, whereby an epoxy resin porous film is obtained. Therefore, it is possible to avoid the use of a solvent having a large environmental load. Further, according to the invention described in Patent Document 3, parameters such as porosity and pore diameter can be controlled relatively easily depending on the content and type of porogen.
- an epoxy resin composition containing an epoxy resin, a curing agent and a porogen in the step of preparing an epoxy resin composition containing an epoxy resin, a curing agent and a porogen, first, an epoxy resin composition containing an epoxy resin, a curing agent and a porogen is prepared. Fill a container of a predetermined shape. Next, the solution of the epoxy resin composition filled in the container is stirred by, for example, a stirring blade such as an anchor blade, and the solution of the epoxy resin composition is uniformly mixed. Then, after removing the stirring blade from the epoxy resin composition solution, a mandrel (rotating shaft) for cutting is inserted and fixed in the epoxy resin composition solution, and the epoxy resin is three-dimensionally cross-linked. A cured product of the epoxy resin composition is prepared.
- the solution containing the epoxy resin, the curing agent and the porogen is a highly viscous epoxy resin composition, even when the anchor blade having a relatively large span is rotated at a low speed, the stirring by the anchor blade is performed. There is a problem that the mixing performance is inferior because of the poor vertical circulation flow.
- the agitation blade is removed from the epoxy resin composition solution, and the mandrel (rotating shaft) for cutting is again inserted and fixed in the solution of the epoxy resin composition before curing. Since it is necessary, when the anchor blade is taken out or a mandrel (rotary shaft) is inserted, the mixed state may be deteriorated.
- the object of the present invention is to enable uniform stirring of a solution of an epoxy resin composition when preparing an epoxy resin composition containing an epoxy resin, a curing agent and a porogen.
- the present invention A container used for an agitating device for agitating a material for preparing an epoxy resin composition containing an epoxy resin, a curing agent and a porogen contained therein, A bottomed cylindrical tube portion that is formed so that the inner peripheral surface has a cylindrical shape and can accommodate the material therein, A cylindrical or columnar shaft portion erected at the center of the inner bottom portion of the cylindrical portion; and A container for use in a stirring device.
- a container according to the invention A holding mechanism for holding the container; A rotation mechanism for rotating the holding mechanism and stirring the material; A stirring device is provided.
- the present invention is further directed from another aspect thereof.
- the epoxy resin sheet having a long shape is obtained by cutting the surface layer portion of the cured body to a predetermined thickness while rotating the cured body relative to the cutting blade around the shaft portion. And forming the cured body into a sheet, Removing the porogen from the epoxy resin sheet using a halogen-free solvent;
- the manufacturing method of the separator for nonaqueous electrolyte electrical storage devices containing this is provided.
- the solution of the epoxy resin composition containing the epoxy resin, the curing agent, and the porogen is stirred using the stirring device in a state where the shaft portion is erected in advance in the container.
- the solution can be stirred uniformly.
- the separator 4 for a non-aqueous electrolyte electricity storage device is disposed between the cathode 2 and the anode 3 in the non-aqueous electrolyte electricity storage device 100, and isolates the cathode 2 and the anode 3.
- Non-aqueous electrolyte is held and the role of ensuring ion conductivity between the cathode 2 and the anode 3 is assumed.
- an epoxy resin porous membrane manufactured by a method of making a block-shaped cured body 12 of an epoxy resin and molding the cured body 12 into a sheet shape is used as a separator for a non-aqueous electrolyte electricity storage device. Is done.
- a solution 11 of an epoxy resin composition containing an epoxy resin, a curing agent, and a porogen is filled into a container 31 having a predetermined shape (for example, a cylindrical shape).
- the epoxy resin composition solution 11 filled in the container 31 is stirred by the planetary stirring device 22 with the shaft portion 42 fixed in advance in the container 31, so that the epoxy resin composition solution 11 is uniformly formed.
- a cured body 12 of a cylindrical epoxy resin composition is produced by three-dimensionally crosslinking the epoxy resin.
- a co-continuous structure is formed by phase separation of the crosslinked epoxy resin and the porogen.
- the surface layer portion of the cured body 12 is cut to a predetermined thickness to produce a long epoxy resin sheet 16. Then, the porogen contained in the epoxy resin sheet 16 is removed by washing and dried, whereby an epoxy resin porous film having pores communicating with the three-dimensional network skeleton is obtained.
- an epoxy resin porous membrane can be manufactured through the following main processes.
- an epoxy resin composition containing an epoxy resin, a curing agent and a porogen is prepared.
- a uniform solution 11 is prepared by dissolving an epoxy resin and a curing agent in a porogen.
- an aromatic epoxy resin either an aromatic epoxy resin or a non-aromatic epoxy resin can be used.
- the aromatic epoxy resin include a polyphenyl-based epoxy resin, an epoxy resin containing a fluorene ring, an epoxy resin containing triglycidyl isocyanurate, an epoxy resin containing a heteroaromatic ring (for example, a triazine ring), and the like.
- Polyphenyl-based epoxy resins include bisphenol A type epoxy resins, brominated bisphenol A type epoxy resins, bisphenol F type epoxy resins, bisphenol AD type epoxy resins, stilbene type epoxy resins, biphenyl type epoxy resins, and bisphenol A novolak type epoxy resins.
- Non-aromatic epoxy resins include aliphatic glycidyl ether type epoxy resins, aliphatic glycidyl ester type epoxy resins, alicyclic glycidyl ether type epoxy resins, alicyclic glycidyl amine type epoxy resins, and alicyclic glycidyl ester type epoxy resins. Etc. These may be used alone or in combination of two or more.
- bisphenol A type epoxy resin brominated bisphenol A type epoxy resin, bisphenol F type epoxy resin, bisphenol AD type epoxy resin, epoxy resin containing fluorene ring, epoxy resin containing triglycidyl isocyanurate, alicyclic glycidyl At least one selected from the group consisting of an ether type epoxy resin, an alicyclic glycidyl amine type epoxy resin and an alicyclic glycidyl ester type epoxy resin, having an epoxy equivalent of 6000 or less and a melting point of 170 ° C. or less. It can be used suitably. When these epoxy resins are used, a uniform three-dimensional network skeleton and uniform pores can be formed, and excellent chemical resistance and high strength can be imparted to the epoxy resin porous membrane.
- Aromatic curing agents include aromatic amines (eg, metaphenylenediamine, diaminodiphenylmethane, diaminodiphenylsulfone, benzyldimethylamine, dimethylaminomethylbenzene), aromatic acid anhydrides (eg, phthalic anhydride, trimellitic anhydride) , Pyromellitic anhydride), phenol resins, phenol novolac resins, amines containing heteroaromatic rings (for example, amines containing triazine rings), and the like.
- Non-aromatic curing agents include aliphatic amines (eg, ethylenediamine, diethylenetriamine, triethylenetetramine, tetraethylenepentamine, iminobispropylamine, bis (hexamethylene) triamine, 1,3,6-trisaminomethylhexane , Polymethylenediamine, trimethylhexamethylenediamine, polyetherdiamine), alicyclic amines (eg, isophoronediamine, menthanediamine, N-aminoethylpiperazine, 3,9-bis (3-aminopropyl) 2,4, 8,10-tetraoxaspiro (5,5) undecane adduct, bis (4-amino-3-methylcyclohexyl) methane, bis (4-aminocyclohexyl) methane, modified products thereof), polyamines and dimer acid Including aliphatic polyamide Min, and the like. These may be used alone or in combination of two or more.
- a curing agent having two or more primary amines in the molecule can be suitably used. Specifically, at least one selected from the group consisting of metaphenylenediamine, diaminodiphenylmethane, diaminodiphenylsulfone, polymethylenediamine, bis (4-amino-3-methylcyclohexyl) methane and bis (4-aminocyclohexyl) methane. Can be suitably used.
- these curing agents are used, a uniform three-dimensional network skeleton and uniform pores can be formed, and high strength and appropriate elasticity can be imparted to the epoxy resin porous membrane.
- a combination of an epoxy resin and a curing agent a combination of an aromatic epoxy resin and an aliphatic amine curing agent, a combination of an aromatic epoxy resin and an alicyclic amine curing agent, or an alicyclic epoxy resin and an aromatic amine A combination with a curing agent is preferred.
- excellent heat resistance can be imparted to the epoxy resin porous membrane.
- the porogen may be a solvent that can dissolve the epoxy resin and the curing agent. Porogens are also used as solvents that can cause reaction-induced phase separation after the epoxy resin and curing agent are polymerized. Specifically, cellosolves such as methyl cellosolve and ethyl cellosolve, esters such as ethylene glycol monomethyl ether acetate and propylene glycol monomethyl ether acetate, glycols such as polyethylene glycol and polypropylene glycol, polyoxyethylene monomethyl ether and polyoxyethylene Ethers such as dimethyl ether can be used as the porogen. These may be used alone or in combination of two or more.
- at least one selected from the group consisting of polyethylene glycol having an average molecular weight of 200 or less, polypropylene glycol having a molecular weight of 500 or less, polyoxyethylene monomethyl ether, and propylene glycol monomethyl ether acetate can be preferably used.
- these porogens are used, a uniform three-dimensional network skeleton and uniform pores can be formed. These may be used alone or in combination of two or more.
- a solvent in which a reaction product of the epoxy resin and the curing agent is soluble can be used as a porogen.
- porogen include brominated bisphenol A type epoxy resin (“Epicoat 5058” manufactured by Japan Epoxy Resin Co., Ltd.).
- the porosity, average pore size, and pore size distribution of the epoxy resin porous membrane vary depending on the type of raw material, the mixing ratio of the raw material, and reaction conditions (for example, heating temperature and heating time during reaction-induced phase separation). Therefore, it is preferable to select optimum conditions in order to obtain the target porosity, average pore diameter, and pore diameter distribution.
- reaction conditions for example, heating temperature and heating time during reaction-induced phase separation. Therefore, it is preferable to select optimum conditions in order to obtain the target porosity, average pore diameter, and pore diameter distribution.
- the co-continuous structure of the crosslinked epoxy resin and porogen is fixed in a specific state and stable. A porous structure can be obtained.
- the blending ratio of the curing agent to the epoxy resin is, for example, 0.6 to 1.5 in terms of the curing agent equivalent to 1 equivalent of epoxy group.
- Appropriate curing agent equivalent contributes to improvement of properties such as heat resistance, chemical durability and mechanical properties of the porous epoxy resin membrane.
- a curing accelerator may be added to the solution in order to obtain the desired porous structure.
- the curing accelerator include tertiary amines such as triethylamine and tributylamine, and imidazoles such as 2-phenol-4-methylimidazole, 2-ethyl-4-methylimidazole, and 2-phenol-4,5-dihydroxyimidazole. It is done.
- porogen 40 to 80% by weight of porogen can be used with respect to the total weight of epoxy resin, curing agent and porogen.
- an epoxy resin porous membrane having a desired porosity, average pore diameter and air permeability can be formed.
- the average pore diameter of the epoxy resin porous membrane As one method for adjusting the average pore diameter of the epoxy resin porous membrane to a desired range, there is a method of using a mixture of two or more epoxy resins having different epoxy equivalents.
- the difference in epoxy equivalent is preferably 100 or more, and there are cases where an epoxy resin that is liquid at normal temperature and an epoxy resin that is solid at normal temperature are mixed and used.
- the epoxy resin composition solution 11 containing an epoxy resin, a curing agent, and a porogen is agitated by the planetary agitator 22 with the shaft portion 42 fixed in the container 31 in advance, and the epoxy resin composition solution 11 is obtained. Mix evenly. Specifically, as shown in FIG. 6, a solution 11 containing an epoxy resin, a curing agent, and a porogen is filled in a cylindrical container 31, and the container 31 is held and fixed to the container holder 32. The solution 11 of the epoxy resin composition is agitated by rotating the container holder 32 around the rotation axis P and simultaneously rotating the container holder 32 around the rotation axis Q.
- the rotating mechanism revolves the container holder 32 around the revolution axis Q and simultaneously rotates the container holder 32 around the rotation axis P, thereby stirring the solution 11 of the epoxy resin composition to degas. You may do it. Moreover, you may make it agitate so that the solution 11 of an epoxy resin composition may be degassed by rotating the container holder 32 around the revolution axis Q.
- the revolution direction around the revolution axis Q and the revolution direction around the revolution axis P are not limited to the arrow directions shown in FIG. 6, and can be set in arbitrary directions.
- FIGS. 1-10 A container 31 used for the planetary stirring device 22 is shown in FIGS.
- the container 31 includes an inner cylinder part 41, a shaft part 42, a plate member 43, a screw member 44, an outer cylinder part 45 and a lid member 47.
- the inner cylinder portion 41 is formed so that the inner peripheral surface 41 a has a cylindrical shape, and contains an epoxy resin composition solution 11 containing an epoxy resin, a curing agent and a porogen inside.
- a bottomed cylindrical polyethylene resin such as polyethylene and polypropylene, a polyester resin such as PET (polyethylene terephthalate), a resin member such as polystyrene and polycarbonate.
- the inner cylinder portion 41 is formed with a through hole 41b penetrating inside and outside at the center of the bottom portion, and a male screw portion 44b of a screw member 44 described later can be inserted therethrough.
- the shaft portion 42 is a cylindrical or columnar member provided upright at the center of the inner bottom portion of the inner cylindrical portion 41. As shown in FIGS. 4 and 7, the shaft portion 42 is a cylindrical or columnar member provided upright at the center of the inner bottom portion of the inner cylinder portion 41.
- the shaft portion 42 is made of a material that is lightweight and highly rigid.
- the shaft portion 42 may be a metal member such as an aluminum alloy, or may be a reinforced resin member such as a glass fiber reinforced resin or a carbon fiber reinforced resin.
- the shaft portion 42 is a shaft member for attaching both end portions to the shaft 14 of the cutting device 24 described later, and the shaft portion 42 itself functions as a part of the shaft 14.
- the shaft portion 42 includes a shaft main body 42a extending in the longitudinal direction in a columnar shape, a first female screw portion 42b formed at a distal end portion (upper end portion in FIG. 4) of the shaft main body 42a, and a base end portion (see FIG. 4 lower end portion) and a second female thread portion 42c.
- the first female screw portion 42b is a female screw into which a male screw portion 48b of a pulling-out eye bolt 48 (see FIG. 5F) for removing the cured body 12 from the outer cylinder portion 45 after hardening is screwed.
- the second female screw portion 42 c is a female screw into which the male screw portion 44 b of the screw member 44 is screwed.
- the shaft part 42 is fixed to the inner cylinder part 41 together with the plate member 43 by screwing the male thread part 44 b of the screw member 44 into the second female thread part 42 c of the shaft part 42.
- the first female screw portion 42b and the second female screw portion 42c are formed with a first groove portion 42d and a second groove portion 42e having a non-circular (for example, rectangular) axial cross section, as shown in FIG. ing.
- the first groove portion 42d and the second groove portion 42e are protrusion portions (not shown) in which a part of the outer peripheral portion of the tip end of the shaft 14 protrudes in the radial direction in order to fix the shaft portion 42 to the shaft 14 (see FIG. 2). To be engaged.
- the inner shape is non-circular at the tip portion of the shaft portion 42.
- a groove portion may be formed, the tip portion of the shaft 14 may be formed to be a non-circular protruding portion, and the protruding portion may be engaged with the groove portion.
- a protrusion having a non-circular outer shape may be formed at the tip of the shaft portion 42, and a groove having a non-circular inner shape may be formed at the tip of the shaft 14.
- a groove portion having a non-circular inner shape is formed at one of the tip portions of the shaft portion 42, a protrusion portion having a non-circular outer shape is formed at the corresponding tip portion of the shaft 14, and the other tip portion of the shaft portion 42 is formed at the other end portion.
- a projecting portion having a non-circular outer shape may be formed, and a groove portion having a non-circular inner shape may be formed at the tip of the corresponding shaft 14.
- the first female screw portion 42b and the second female screw portion 42c may be screwed into a male screw portion (not shown) of the shaft 14.
- the first female screw portion 42b and the second female screw portion 42c may be formed with screws in a direction in which the shaft portion 42 and the shaft 14 are fastened when the shaft 14 rotates. In this case, even if the shaft 14 rotates, the shaft portion 42 is less likely to be detached from the shaft 14.
- both or one of the female screw portions (first female screw portion 42b and second female screw portion 42c) formed at both ends of the shaft portion 42 is replaced with a male screw, and both or one of the male screw portions on the shaft 14 side is replaced with a female screw. May be.
- the shaft portion 42 may be further extended to both end sides so that the shaft portion 42 functions as the entire shaft 14.
- the plate member 43 is a member that is provided at the bottom of the inner cylinder portion 41 and is fixed to the shaft portion 42. As shown in FIGS. 4 and 7, the plate member 43 is a disk-like member attached to the outer bottom portion of the inner cylinder portion 41. The plate member 43 is fixed to the proximal end portion of the shaft portion 42 while holding the bottom portion of the inner cylinder portion 41 by the screw member 44.
- the plate member 43 is formed of a material that is difficult to deform and has high rigidity.
- the plate member 43 may be a metal member such as an aluminum alloy, or may be made of ultra high molecular weight polyethylene, PVC (polyvinyl chloride), glass fiber reinforced resin, reinforced resin such as carbon fiber reinforced resin, or resin such as polycarbonate.
- the plate member 43 is a disk member having the same diameter as or slightly larger in diameter than the bottom of the inner cylinder portion 41, and is a member formed to be thicker than the thickness of the inner cylinder portion 41. At the center of the plate member 43, a through hole with a step that penetrates the inside and outside is formed. Specifically, as shown in FIG. 7, the plate member 43 includes a small-diameter hole 43a formed so that a side facing the outer bottom portion of the inner cylinder portion 41 is open, and the inner cylinder portion 41 communicating with the small-diameter hole 43a. And a large-diameter hole 43b formed so that the opposite side and the opposite side are open.
- the large-diameter hole 43b accommodates and locks a head portion 44a of a screw member 44, which will be described later, and the male screw portion 44b of the screw member 44 is inserted into the small-diameter hole 43a and the through-hole 41b of the inner cylinder portion 41.
- the distal end portion is screwed into the second female screw portion 42 c of the shaft portion 42.
- the plate member 43 can be fixed to the shaft portion 42 without bringing the screw member 44 into contact with the inner cylinder portion 41.
- the screw member 44 is a fixing means for fixing the plate member 43 to the shaft portion 42. As shown in FIGS. 4 and 7, the screw member 44 is a fastening member that fixes the plate member 43 to the shaft portion 42.
- the screw member 44 has a large-diameter head portion 44a and a male screw portion 44b that is smaller in diameter than the head portion 44a and is screwed into the second female screw portion 42c of the shaft portion 42.
- the head portion 44a is completely accommodated in the large-diameter hole 43b of the plate member 43. Therefore, when the inner cylinder portion 41 to which the shaft portion 42 and the plate member 43 are fixed is accommodated in the outer cylinder portion 45, the head portion 44a 44a does not interfere with the outer cylinder portion 45.
- the outer cylinder portion 45 is a bottomed cylindrical metal member such as stainless steel that can accommodate the inner cylinder portion 41 having the shaft portion 42 and the plate member 43 fixed therein.
- the outer cylinder part 45 is formed so that the inner diameter is the same as or slightly larger than the outer diameter of the inner cylinder part 41, and the inner cylinder part 41 can be accommodated.
- the upper surface (upper side surface in FIG. 4) of the outer cylinder portion 45 is the upper surface (upper side surface in FIG. 4) when the inner cylinder portion 41 is accommodated in the outer cylinder portion 45 with the plate member 43 fixed. ).
- the lid member 47 covers the upper opening of the inner cylinder portion 41, the lower surface of the lid body 47a of the lid member 47 described later contacts the upper surfaces of the inner cylinder portion 41 and the outer cylinder portion 45 without any step. It is like that.
- the outer cylinder 45 is held and fixed to the container holder 32 at the outer periphery when the planetary agitation device 22 is agitated. Moreover, the outer cylinder part 45 is used until it produces the hardening body 12 of an epoxy resin composition from the solution 11 containing an epoxy resin, a hardening
- the lid member 47 is a member that covers the opening of the inner cylinder portion 41 and the tip of the shaft portion 42 as shown in FIGS.
- the lid member 47 may be a metal member such as an aluminum alloy, or may be made of ultra high molecular weight polyethylene, PVC (polyvinyl chloride), glass fiber reinforced resin, reinforced resin such as carbon fiber reinforced resin, or resin such as polycarbonate. It may be a member.
- the lid member 47 includes a disc-shaped lid body 47a, and two first through holes 47b and second through holes 47c that penetrate the lid body 47a. For example, the first through hole 47b and the second through hole 47c are disposed on both sides of the center of the lid body 47a.
- the first through hole 47b is a circular through hole that penetrates the lid body 47a, and is a port for connecting a vacuuming device.
- the second through hole 47c is a circular through hole that penetrates the lid main body 47a, and is a viewing window for visually recognizing the inside of the inner cylinder part 41 with the infrared camera device or the naked eye. If the 2nd through-hole 47c is visually recognizable, it may be obstruct
- the lid member 47 is disposed so as to be able to contact the distal end surface of the inner cylindrical portion 41 and the distal end surface of the outer cylindrical portion 45.
- the outer diameter of the lid body 47a is formed to be the same as or slightly larger than the outer diameter of the outer cylinder part 45, and the entire inner cylinder part 41 and the outer cylinder part 45 can be closed.
- a cylindrical locking portion in which the outer peripheral portion of the opening facing surface (the lower surface in FIG. 4) of the inner cylinder portion 41 of the lid body 47a protrudes toward the outer cylinder portion 45 is provided.
- the lid member 47 is hermetically fixed to the outer cylinder portion 45 by locking the cylindrical locking portion to the locked portion provided on the outer peripheral portion by a method such as screw connection or elastic press-fitting engagement. May be.
- FIGS. 5A to 5D a method in which an epoxy resin and a curing agent are dissolved in porogen to mix the uniform solution 11 and fill the container 31 used for the planetary stirring device 22 is shown in FIGS. 5A to 5D.
- a shaft portion 42 is erected at the center of the inner bottom portion of the inner cylinder portion 41, and the male screw of the screw member 44
- the shaft portion 42 is fixed to the inner cylinder portion 41 and the plate member 43 by screwing the portion 44b with the shaft portion 42 second female screw portion 42c.
- the unit in which the shaft portion 42, the inner cylinder portion 41, and the plate member 43 are integrated is mounted on the inner peripheral portion of the outer cylinder portion 45.
- the inner peripheral portion of the inner cylinder portion 41 is filled with an epoxy resin composition solution 11 containing an epoxy resin, a curing agent, and a porogen.
- the solution 11 is not limited to the filling amount shown in the figure, and can be set to an arbitrary filling amount.
- the lid member 47 is attached to the distal end portions of the inner cylindrical portion 41 and the outer cylindrical portion 45, and the opening portion of the inner cylindrical portion 41 and the distal end portion of the shaft portion 42 are closed.
- the container 31 in which the lid member 47, the shaft part 42, the solution 11, the inner cylinder part 41, the plate member 43, the screw member 44 and the outer cylinder part 45 are integrated is fixed to the container holder 32, and an epoxy resin, a curing agent and The epoxy resin composition solution 11 containing the porogen is stirred by the planetary stirrer 22, and the epoxy resin composition solution 11 is uniformly mixed.
- the solution 11 of the epoxy resin composition containing the epoxy resin, the curing agent and the porogen is stirred using the planetary stirring device 22 with the shaft portion 42 fixed in advance in the container 31, the epoxy resin The solution 11 of the composition can be uniformly stirred.
- FIG. 1 Another container 131 used for the planetary stirring device 22 is shown in FIG.
- the container 131 further includes a cover member 46 as shown in FIG. Since the other configuration excluding the lid member 47 is the same as that of the above embodiment, the detailed description is omitted.
- the cover member 46 is a screw member that closes the distal end portion of the shaft portion 42.
- the first female screw portion 42b formed at the distal end portion of the shaft portion 42 is coated with epoxy resin and cured. It is a member for preventing the solution 11 of the epoxy resin composition containing the agent and porogen from entering.
- the cover member 46 has a head portion 46a formed in a shape whose outer peripheral surface is reduced in diameter toward the distal end side, and a male screw portion that is formed in a smaller diameter than the head portion 46a and can be screwed into the first female screw portion 42b of the shaft portion 42. 46b.
- the head 46a is formed in a truncated cone shape so that the distal end side has a small diameter and the proximal end side has a large diameter. For this reason, it becomes easy to fill the inner cylinder portion 41 with the solution 11 of the epoxy resin composition containing the epoxy resin, the curing agent, and the porogen in a state where the cover member 46 is attached to the shaft portion 42.
- the lid member 47 is a member that covers the opening of the inner cylinder 41 and the tip of the cover member 46 as shown in FIGS.
- the lid member 47 further has a fixing recess 47d that is recessed in the center of the opening facing surface (lower surface in FIG. 8) of the inner cylinder portion 41 of the lid body 47a.
- the fixing concave portion 47d is a concave portion that is recessed in a truncated cone shape so that the tip end portion of the head portion 46a of the cover member 46 can be stored, and the opposite side (upper side in FIG. 8) is formed in a shape protruding in the truncated cone shape. The dent is generated by.
- the head part 46a of the cover member 46 protrudes from the distal end surfaces of the inner cylinder part 41 and the outer cylinder part 45 to the distal end side. Is fixed to the fixing recess 47d, so that the shaft portion 42 to which the cover member 46 is attached is fixed. Accordingly, even when the planetary stirring device 22 is stirring, the shaft portion 42 is difficult to move.
- the fixing recess 47d is not limited to that of the above embodiment.
- the lid member 47 is formed in a mesh shape, and the head portion 46a of the cover member 46 and the tip end portion of the shaft portion 42 are locked by the mesh portion. It may be fixed.
- FIGS. 9A to 9D a method of dissolving an epoxy resin and a curing agent in a porogen, blending the uniform solution 11 and filling the container 131 used for the planetary stirring device 22 is shown in FIGS. 9A to 9D.
- the shaft portion 42 is erected at the center of the inner bottom portion of the inner cylinder portion 41, and the male screw of the screw member 44.
- the shaft portion 42 is fixed to the inner cylinder portion 41 and the plate member 43 by screwing the portion 44b with the shaft portion 42 second female screw portion 42c.
- the cover member 46 is fixed to the shaft portion 42 by screwing the male screw portion 46 b of the cover member 46 into the first female screw portion 42 b of the shaft portion 42.
- the unit in which the cover member 46, the shaft portion 42, the inner cylinder portion 41, and the plate member 43 are integrated is mounted on the inner peripheral portion of the outer cylinder portion 45.
- an inner peripheral portion of the inner cylinder portion 41 is filled with an epoxy resin composition solution 11 containing an epoxy resin, a curing agent, and a porogen.
- the lid member 47 is attached to the distal end portions of the inner cylindrical portion 41 and the outer cylindrical portion 45, and the opening portion of the inner cylindrical portion 41 and the distal end portion of the cover member 46 are closed.
- a container 131 in which a lid member 47, a cover member 46, a shaft part 42, a solution 11, an inner cylinder part 41, a plate member 43, a screw member 44 and an outer cylinder part 45 are integrated is fixed to the container holder 32, and an epoxy resin Then, the solution 11 of the epoxy resin composition containing the curing agent and the porogen is stirred by the planetary stirring device 22, and the solution 11 of the epoxy resin composition is uniformly mixed.
- the planetary stirrer 22 is used in a state where the shaft portion 42 is fixed in the container 131 in advance, and the epoxy resin composition solution 11 containing an epoxy resin, a curing agent, and a porogen is used.
- the solution 11 of the epoxy resin composition can be uniformly stirred.
- FIG. 1 Another container 231 used for the planetary stirring device 22 is shown in FIG.
- the container 231 includes a release agent layer 51, a shaft portion 52, a plate member 53, a screw member 54, an outer cylinder portion 55, and a lid member 57.
- a release agent layer 51 is provided instead of the inner cylinder portion 41, the plate member 53 is attached to the inner bottom portion of the outer cylinder portion 55, and the inner peripheral surface of the outer cylinder portion 55.
- 55a is formed in a cylindrical shape. Since other configurations are the same as those in the above embodiment, detailed description thereof is omitted.
- the release agent layer 51 is applied to the inner peripheral surface 55a of the outer cylinder portion 55, and the cured body 12 prepared by curing the solution 11 of the epoxy resin composition containing the epoxy resin, the curing agent, and the porogen is used as the outer cylinder. This is for easy removal from the portion 55.
- a release agent manufactured by Nagase ChemteX, QZ-13
- the outer cylinder part 55 is set at 80 ° C. It is formed by drying with.
- the planetary stirrer 22 is used in a state where the shaft portion 42 is fixed in the container 231 in advance, and the epoxy resin composition solution 11 containing an epoxy resin, a curing agent, and a porogen is used.
- the solution 11 of the epoxy resin composition can be uniformly stirred.
- a cured body 12 of an epoxy resin composition is prepared from a solution 11 containing an epoxy resin, a curing agent, and a porogen. Specifically, after the container 31 filled with the stirred solution 11 is removed from the container holder 32 of the planetary stirring device 22, it is heated as necessary and left for a predetermined time while maintaining a predetermined temperature. A cured body 12 having a cylindrical shape is obtained by three-dimensionally crosslinking the epoxy resin. In that case, a bicontinuous structure is formed by phase-separation of a crosslinked epoxy resin and a porogen.
- the dimension of the cured body 12 having a cylindrical shape is not particularly limited. From the viewpoint of production efficiency of the epoxy resin porous membrane, the diameter of the cured body 12 is, for example, 20 cm or more, and preferably 30 to 150 cm.
- the length (axial direction) of the cured body can also be appropriately set in consideration of the dimensions of the epoxy resin porous film to be obtained.
- the length of the cured body is, for example, 10 to 200 cm, preferably 10 to 150 cm, and more preferably 10 to 120 cm from the viewpoint of ease of handling.
- FIGS. 5D to 5G a method for producing a cured body 12 of an epoxy resin composition from a solution 11 containing an epoxy resin, a curing agent and a porogen is shown in FIGS. 5D to 5G.
- the container 31 filled with the solution 11 of the epoxy resin composition is put into the heating device 23 and heated, and the predetermined temperature is maintained for a predetermined time.
- the cured product 12 of the epoxy resin composition is produced by allowing it to stand.
- the lid member 47 is removed from the distal end portions of the inner cylinder portion 41 and the outer cylinder portion 45.
- the eye bolt 48 for pulling out the unit in which the shaft portion 42, the cured body 12, the inner cylinder portion 41, the plate member 43 and the screw member 44 are integrated from the outer cylinder portion 45 is the shaft portion. Attach to the tip of 42.
- the eyebolt 48 includes a pull-out operation portion 48a provided on the distal end side, and a male screw portion 48b formed on the proximal end side of the operation portion 48a and capable of being screwed to the first female screw portion 42b of the shaft portion 42 (see FIG. 5G). ) And.
- the operation unit 48a is, for example, an annular member, and can be pulled toward the tip side.
- the shape of the operation portion 48a can be formed in any shape as long as it can be pulled toward the distal end side.
- an eye nut may be provided, and a male thread part may be formed at the tip of the shaft part 42, and the female thread part of the eye nut may be screwed together.
- the unit in which the shaft portion 42, the cured body 12, the inner cylinder portion 41, the plate member 43, and the screw member 44 are integrated may be removed from the outer cylinder portion 45 without attaching the eyebolt 48.
- the cured body 12 is formed into a sheet.
- the cured body 12 having a cylindrical shape can be formed into a sheet shape by the following method. Specifically, as shown in FIG. 2, both end portions of the shaft portion 42 integrated with the cured body 12 are attached to the shaft 14 of the cutting device 24.
- the surface layer portion of the cured body 12 is cut (sliced) at a predetermined thickness using a cutting blade 18 (slicer) so that an epoxy resin sheet 16 having a long shape is obtained.
- the surface layer portion of the cured body 12 is cut while rotating the cured body 12 relative to the cutting blade 18 around the cylindrical axis O of the cured body 12.
- the position of the cutting blade 18 with respect to the cylindrical axis O of the hardened body 12 is controlled so that the cutting blade 18 approaches the cylindrical axis O by a predetermined distance.
- the predetermined distance at this time corresponds to the cutting thickness. According to this method, the epoxy resin sheet 16 having a predetermined thickness can be efficiently produced.
- the line speed when cutting the cured body 12 is in the range of 2 to 70 m / min, for example.
- the thickness of the epoxy resin sheet 16 is determined according to the target film thickness (for example, 5 to 50 ⁇ m, or 10 to 50 ⁇ m, for example) of the porous epoxy resin film. Since the thickness slightly decreases when the porogen is removed and dried, the epoxy resin sheet 16 is usually slightly thicker than the target film thickness of the porous epoxy resin film.
- the length of the epoxy resin sheet 16 is not specifically limited, From a viewpoint of the production efficiency of the epoxy resin sheet 16, it is 100 m or more, for example, Preferably it is 1000 m or more.
- the porogen is extracted from the epoxy resin sheet 16 and removed. Specifically, the porogen can be removed from the epoxy resin sheet 16 by immersing the epoxy resin sheet 16 in a halogen-free solvent. Thereby, the epoxy resin porous membrane which can be utilized as the separator 4 is obtained.
- the halogen-free solvent for removing the porogen from the epoxy resin sheet 16 at least one selected from the group consisting of water, DMF (N, N-dimethylformamide), DMSO (dimethyl sulfoxide), and THF (tetrahydrofuran) is used as the porogen. It can be used depending on the type. Also, supercritical fluids such as water and carbon dioxide can be used as a solvent for removing porogen. In order to positively remove the porogen from the epoxy resin sheet 16, vibration cleaning such as ultrasonic cleaning may be performed, or the solvent may be heated and used.
- the cleaning device for removing the porogen is not particularly limited, and a known cleaning device can be used.
- a multistage cleaning apparatus having a plurality of cleaning tanks can be suitably used.
- the number of cleaning stages is more preferably 3 or more.
- the temperature of the solvent may be changed or the type of the solvent may be changed in the cleaning of each stage.
- the porous epoxy resin membrane is dried.
- the drying conditions are not particularly limited, and the temperature is usually about 40 to 120 ° C., preferably about 50 to 80 ° C., and the drying time is about 30 seconds to 3 hours.
- a drying apparatus employing a known sheet drying method such as a tenter method, a floating method, a roll method, or a belt method can be used. A plurality of drying methods may be combined.
- an epoxy resin porous membrane that can be used as the separator 4 can be manufactured very easily. Since the process required at the time of manufacture of the conventional polyolefin porous membrane, for example, an extending process, can be omitted, an epoxy resin porous membrane can be manufactured with high productivity. Moreover, since the conventional polyolefin porous membrane receives high temperature and high shear force in the manufacturing process, it is necessary to use additives, such as antioxidant. On the other hand, according to the method of this embodiment, an epoxy resin porous membrane can be manufactured without applying high temperature and high shearing force. Therefore, it is not necessary to use an additive such as an antioxidant contained in the conventional polyolefin porous membrane. Moreover, since inexpensive materials can be used as the epoxy resin, the curing agent, and the porogen, the production cost of the separator 4 can be reduced.
- the manufacturing method of the present embodiment is preferably performed using the manufacturing system 200 for a separator for a nonaqueous electrolyte electricity storage device shown in FIG.
- the manufacturing system 200 shown in FIG. 3 includes a mixing device 21, a planetary stirring device 22, a heating device 23, a cutting device 24, a cleaning tank 25, a dryer 26 and a winding device 27.
- the mixing device 21 is a device that mixes and mixes an epoxy resin composition containing an epoxy resin, a curing agent, and a porogen.
- the planetary agitation device 22 is a device that agitates the solution 11 of the epoxy resin composition containing an epoxy resin, a curing agent, and a porogen.
- the heating device 23 is a device that cures the epoxy resin composition solution 11 containing an epoxy resin, a curing agent, and a porogen.
- the cutting device 24 is a device for forming a cured body 12 of an epoxy resin composition containing an epoxy resin, a curing agent, and a porogen into a sheet shape.
- the cleaning tank 25 is a device that holds a halogen-free solvent for removing the porogen as a device for removing the porogen from the epoxy resin sheet 16.
- the dryer 26 is an apparatus that dries the porous epoxy resin membrane from which the porogen has been removed.
- the winding device 27 is a device that winds the epoxy resin sheet 16 in a roll shape. Each device is connected in the above order.
- an epoxy resin and a curing agent are dissolved in porogen to prepare a uniform solution 11.
- the solution 11 of the epoxy resin composition containing the epoxy resin, the curing agent, and the porogen is stirred by the planetary stirring device 22 in a state where the shaft portion 42 is fixed in the container 31 in advance.
- the solution 11 of the composition is mixed uniformly.
- the container 31 filled with the solution 11 of the epoxy resin composition is put into the heating device 23 and heated, and left for a predetermined time while maintaining a predetermined temperature.
- the cured body 12 having a cylindrical shape in which the shaft portion 42 is integrally fixed to the center portion is produced.
- the heating device 23 may be left at a room temperature such as a room for a predetermined time without using the heating device 23.
- the cured body 12 of the cylindrical epoxy resin composition in which the shaft portion 42 is integrally fixed to the center portion obtained in the heating device 23 is set in the cutting device 24 having the cutting blade 18 and the rotating device. .
- the shaft portion 42 and the cured body 12 of the cylindrical epoxy resin composition are rotated according to the rotation of the shaft 14. It has become.
- the surface layer portion of the cured body 12 is cut by the cutting device 24 while rotating the cured body 12 relative to the cutting blade 18 around the cylindrical axis O of the cured body 12 with a rotating device. Thereby, the surface layer part of the cylindrical hardening body 12 is cut by predetermined thickness, and the epoxy resin sheet 16 which has a long shape is formed continuously.
- the epoxy resin sheet 16 continuously formed by the cutting device 24 is conveyed to the cleaning tank 25.
- the washing tank 25 is filled with a halogen-free solvent for removing the porogen, and the epoxy resin sheet 16 passes through the washing tank 25 to remove the porogen.
- the porous epoxy resin membrane from which the porogen has been removed is dried in a dryer 26 and wound up in a roll by a winding device 27.
- the epoxy resin sheet 16 obtained by cutting with the cutting device 24 is temporarily wound up by the winding device 27 without connecting the cutting device 24 and the cleaning tank 25.
- the sheet roll can be unwound and the epoxy resin sheet 16 can be conveyed to the cleaning tank 25.
- Revolution using planetary stirring device 22 made by Shinky Co., Ltd., trade name “Awatori Netaro (registered trademark)) while vacuuming at a pressure of 0.75 kPa from the first through hole 47b using a vacuuming device.
- the mixture was stirred for 120 minutes at 200 rpm and 150 rpm.
- the temperature of the solution increased with stirring and reached 75 ° C.
- the container 31 was moved to a 75 degreeC thermostat, and was left for half a day, and the epoxy resin block was obtained.
- the planetary stirrer 22 When vacuuming is not performed, the planetary stirrer 22 is used to stir at revolution 200 rpm and rotation 150 rpm for 115 minutes, and then the planetary stirrer 22 is used to revolve 400 rpm only (rotation 0 rpm) for 5 minutes. May be.
- the epoxy resin block was taken out from the container 31 and continuously sliced with a thickness of 30 ⁇ m using a cutting lathe device to obtain an epoxy resin sheet.
- the porous epoxy resin membrane provided by the present invention can be suitably used as a separator for non-aqueous electrolyte electricity storage devices such as lithium ion secondary batteries, and in particular, electricity storage for vehicles, motorcycles, ships, construction machines, industrial machines, and houses. It can be suitably used for a large-capacity secondary battery required for a system or the like.
- the epoxy resin porous membrane provided by the present invention can be used as a porous support for a composite semipermeable membrane comprising a porous support and a skin layer formed thereon.
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Abstract
Description
内部に収納された、エポキシ樹脂、硬化剤及びポロゲンを含むエポキシ樹脂組成物を調製するための材料を撹拌する撹拌装置に使用される容器であって、
内周面が円筒形状になるように形成され、内部に前記材料を収容可能な有底筒状の筒部と、
前記筒部の内側底部の中心部に立設された筒状又は柱状の軸部と、
を含む撹拌装置に使用される容器、を提供する。
本発明による容器と、
前記容器を保持する保持機構と、
前記保持機構を回転させ、前記材料を撹拌する回転機構と、
を含む、撹拌装置、を提供する。
本発明による容器にエポキシ樹脂、硬化剤及びポロゲンを含むエポキシ樹脂組成物を調製するための材料を収納し、撹拌装置により前記材料を撹拌する工程と、
前記容器に前記材料を収納した状態で前記材料を硬化させ、前記筒部を硬化体から離脱し、円筒状となるようにエポキシ樹脂組成物の硬化体を調製する工程と、
前記軸部を中心として、切削刃に対して前記硬化体を相対的に回転させながら前記硬化体の表層部を所定の厚さに切削し、長尺の形状を有するエポキシ樹脂シートが得られるように、前記硬化体をシート状に成形する工程と、
ハロゲンフリーの溶剤を用いて前記エポキシ樹脂シートから前記ポロゲンを除去する工程と、
を含む、非水電解質蓄電デバイス用セパレータの製造方法、を提供する。
・工程(i):エポキシ樹脂組成物を調製する。
・工程(ii):エポキシ樹脂組成物の硬化体12をシート状に成形する。
・工程(iii):エポキシ樹脂シート16からポロゲンを除去する。
Claims (20)
- 内部に収納された、エポキシ樹脂、硬化剤及びポロゲンを含むエポキシ樹脂組成物を調製するための材料を撹拌する撹拌装置に使用される容器であって、
内周面が円筒形状になるように形成され、内部に前記材料を収容可能な有底筒状の筒部と、
前記筒部の内側底部の中心部に立設された筒状又は柱状の軸部と、
を含む撹拌装置に使用される容器。 - 前記筒部の底部に設けられ、前記軸部に固定される板部材と、
前記板部材を前記軸部に固定する固定手段と、をさらに含む、請求項1に記載の撹拌装置に使用される容器。 - 前記筒部は、内筒部であり、
前記板部材は、前記内筒部の外側底部に装着され、前記固定手段により前記内筒部の底部を挟持しながら前記軸部の基端部に固定され、
内部に前記軸部、前記内筒部及び前記板部材を収容可能な有底筒状の外筒部をさらに含む、請求項2に記載の撹拌装置に使用される容器。 - 前記内筒部は、樹脂製である、請求項3に記載の撹拌装置に使用される容器。
- 前記筒部は、内部に前記板部材を収容可能な外筒部であり、
前記板部材は、前記外筒部の内側底部に装着され、前記固定手段により前記軸部の基端部に固定され、
前記外筒部の内周面に形成された離型剤層をさらに含む、請求項2に記載の撹拌装置に使用される容器。 - 前記外筒部は、金属製である、請求項5に記載の撹拌装置に使用される容器。
- 前記固定手段は、
前記軸部の基端部に形成された第1ねじ部と
前記第1ねじ部に螺合可能な第2ねじ部と、
を有している、請求項2に記載の撹拌装置に使用される容器。 - 前記軸部の少なくとも先端部を閉塞するカバー部材をさらに含む、請求項1に記載の撹拌装置に使用される容器。
- 前記軸部は、先端部に形成された第3ねじ部を有し、
前記カバー部材は、前記第3ねじ部に螺合可能な第4ねじ部を有している、請求項8に記載の撹拌装置に使用される容器。 - 先端側に設けられた引き抜き操作用の操作部と、
基端側に形成され、前記第3ねじ部に螺合可能な第5ねじ部と、
を有する引き抜き部材をさらに含む、請求項9に記載の撹拌装置に使用される容器。 - 前記カバー部材は、外周面が先端側に向かって縮径する形状に形成されている、請求項8に記載の撹拌装置に使用される容器。
- 前記軸部の先端部を固定する固定部材をさらに含む、請求項1に記載の撹拌装置に使用される容器。
- 前記筒部の開口部及び前記カバー部材の先端部を覆う蓋部材をさらに含む、請求項8に記載の撹拌装置に使用される容器。
- 前記カバー部材は、前記軸部の先端部に固定され、
前記蓋部材は、前記カバー部材の先端部を固定可能に凹んだ固定凹部を有する、請求項13に記載の撹拌装置に使用される容器。 - 前記軸部は、円筒状又は円柱状の部材である、請求項1に記載の撹拌装置に使用される容器。
- 前記板部材は、円板状の部材である、請求項2に記載の撹拌装置に使用される容器。
- 請求項1に記載の容器と、
前記容器を保持する保持機構と、
前記保持機構を回転させ、前記材料を撹拌する回転機構と、
を含む、撹拌装置。 - 前記回転機構は、前記保持機構を公転させることによって、前記材料を脱泡するように撹拌する、請求項17に記載の撹拌装置。
- 前記回転機構は、前記保持機構を公転させながら自転させることによって、前記材料を脱泡するように撹拌する、請求項18に記載の撹拌装置。
- 請求項1に記載の容器にエポキシ樹脂、硬化剤及びポロゲンを含むエポキシ樹脂組成物を調製するための材料を収納し、撹拌装置により前記材料を撹拌する工程と、
前記容器に前記材料を収納した状態で前記材料を硬化させ、前記筒部を硬化体から離脱し、円筒状となるようにエポキシ樹脂組成物の硬化体を調製する工程と、
前記軸部を中心として、切削刃に対して前記硬化体を相対的に回転させながら前記硬化体の表層部を所定の厚さに切削し、長尺の形状を有するエポキシ樹脂シートが得られるように、前記硬化体をシート状に成形する工程と、
ハロゲンフリーの溶剤を用いて前記エポキシ樹脂シートから前記ポロゲンを除去する工程と、
を含む、非水電解質蓄電デバイス用セパレータの製造方法。
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1020157005938A KR20150048764A (ko) | 2012-08-27 | 2013-08-05 | 교반 장치에 사용되는 용기, 교반 장치 및 비수전해질 축전 디바이스용 세퍼레이터의 제조 방법 |
US14/424,360 US20150224424A1 (en) | 2012-08-27 | 2013-08-05 | Container for use in stirring device, stirring device, and method for producing separator for nonaqueous electrolyte electricity storage devices |
CN201380044953.1A CN104602878A (zh) | 2012-08-27 | 2013-08-05 | 用于搅拌装置的容器、搅拌装置、以及非水电解质蓄电装置用隔膜的制造方法 |
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US (1) | US20150224424A1 (ja) |
JP (1) | JP2014062232A (ja) |
KR (1) | KR20150048764A (ja) |
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Cited By (1)
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JP2016159188A (ja) * | 2015-02-26 | 2016-09-05 | 倉敷紡績株式会社 | 攪拌装置 |
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CN110497622A (zh) * | 2019-09-27 | 2019-11-26 | 江西长青医疗科技有限公司 | 双层塑料采血管真空复合机 |
CN113193298B (zh) * | 2021-04-16 | 2021-11-30 | 贵州梅岭电源有限公司 | 一种超薄涂碳隔膜的制备方法及应用 |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH06502114A (ja) * | 1990-10-18 | 1994-03-10 | ジョアン ジャン−ルック | 遊星遠心ミキサー用混合ボウル及び核ボウルを用いたミキサー |
JP2009050834A (ja) * | 2007-08-23 | 2009-03-12 | Thinky Corp | 被混練脱泡材料が収容される容器、及び、混練脱泡方法 |
JP4940367B1 (ja) * | 2011-06-13 | 2012-05-30 | 日東電工株式会社 | 非水電解質蓄電デバイス用セパレータ、非水電解質蓄電デバイス及びそれらの製造方法 |
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JPH03182576A (ja) * | 1989-12-13 | 1991-08-08 | Nagoya Yuka Kk | 表面被覆材 |
US6280077B1 (en) * | 2000-04-12 | 2001-08-28 | Cdf Corporation | Liner for a mixing container and an assembly and method for mixing fluid components |
-
2013
- 2013-08-05 WO PCT/JP2013/004733 patent/WO2014034029A1/ja active Application Filing
- 2013-08-05 KR KR1020157005938A patent/KR20150048764A/ko not_active Application Discontinuation
- 2013-08-05 CN CN201380044953.1A patent/CN104602878A/zh active Pending
- 2013-08-05 US US14/424,360 patent/US20150224424A1/en not_active Abandoned
- 2013-08-05 JP JP2013162761A patent/JP2014062232A/ja active Pending
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH06502114A (ja) * | 1990-10-18 | 1994-03-10 | ジョアン ジャン−ルック | 遊星遠心ミキサー用混合ボウル及び核ボウルを用いたミキサー |
JP2009050834A (ja) * | 2007-08-23 | 2009-03-12 | Thinky Corp | 被混練脱泡材料が収容される容器、及び、混練脱泡方法 |
JP4940367B1 (ja) * | 2011-06-13 | 2012-05-30 | 日東電工株式会社 | 非水電解質蓄電デバイス用セパレータ、非水電解質蓄電デバイス及びそれらの製造方法 |
Cited By (1)
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JP2016159188A (ja) * | 2015-02-26 | 2016-09-05 | 倉敷紡績株式会社 | 攪拌装置 |
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CN104602878A (zh) | 2015-05-06 |
US20150224424A1 (en) | 2015-08-13 |
KR20150048764A (ko) | 2015-05-07 |
JP2014062232A (ja) | 2014-04-10 |
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