WO2016031910A1 - 熱膨張性耐火樹脂組成物 - Google Patents
熱膨張性耐火樹脂組成物 Download PDFInfo
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- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G59/00—Polycondensates containing more than one epoxy group per molecule; Macromolecules obtained by polymerising compounds containing more than one epoxy group per molecule using curing agents or catalysts which react with the epoxy groups
- C08G59/18—Macromolecules obtained by polymerising compounds containing more than one epoxy group per molecule using curing agents or catalysts which react with the epoxy groups ; e.g. general methods of curing
- C08G59/20—Macromolecules obtained by polymerising compounds containing more than one epoxy group per molecule using curing agents or catalysts which react with the epoxy groups ; e.g. general methods of curing characterised by the epoxy compounds used
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- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G59/00—Polycondensates containing more than one epoxy group per molecule; Macromolecules obtained by polymerising compounds containing more than one epoxy group per molecule using curing agents or catalysts which react with the epoxy groups
- C08G59/18—Macromolecules obtained by polymerising compounds containing more than one epoxy group per molecule using curing agents or catalysts which react with the epoxy groups ; e.g. general methods of curing
- C08G59/20—Macromolecules obtained by polymerising compounds containing more than one epoxy group per molecule using curing agents or catalysts which react with the epoxy groups ; e.g. general methods of curing characterised by the epoxy compounds used
- C08G59/22—Di-epoxy compounds
- C08G59/30—Di-epoxy compounds containing atoms other than carbon, hydrogen, oxygen and nitrogen
- C08G59/308—Di-epoxy compounds containing atoms other than carbon, hydrogen, oxygen and nitrogen containing halogen atoms
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- C08G59/00—Polycondensates containing more than one epoxy group per molecule; Macromolecules obtained by polymerising compounds containing more than one epoxy group per molecule using curing agents or catalysts which react with the epoxy groups
- C08G59/18—Macromolecules obtained by polymerising compounds containing more than one epoxy group per molecule using curing agents or catalysts which react with the epoxy groups ; e.g. general methods of curing
- C08G59/40—Macromolecules obtained by polymerising compounds containing more than one epoxy group per molecule using curing agents or catalysts which react with the epoxy groups ; e.g. general methods of curing characterised by the curing agents used
- C08G59/50—Amines
- C08G59/504—Amines containing an atom other than nitrogen belonging to the amine group, carbon and hydrogen
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- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J9/00—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof
- C08J9/0066—Use of inorganic compounding ingredients
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- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/01—Use of inorganic substances as compounding ingredients characterized by their specific function
- C08K3/013—Fillers, pigments or reinforcing additives
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- C08K3/18—Oxygen-containing compounds, e.g. metal carbonyls
- C08K3/20—Oxides; Hydroxides
- C08K3/22—Oxides; Hydroxides of metals
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- C08K3/18—Oxygen-containing compounds, e.g. metal carbonyls
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- C08L23/00—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers
- C08L23/26—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers modified by chemical after-treatment
- C08L23/28—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers modified by chemical after-treatment by reaction with halogens or compounds containing halogen
- C08L23/286—Chlorinated polyethylene
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- C08L27/00—Compositions of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a halogen; Compositions of derivatives of such polymers
- C08L27/02—Compositions of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a halogen; Compositions of derivatives of such polymers not modified by chemical after-treatment
- C08L27/04—Compositions of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a halogen; Compositions of derivatives of such polymers not modified by chemical after-treatment containing chlorine atoms
- C08L27/06—Homopolymers or copolymers of vinyl chloride
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- C08L27/00—Compositions of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a halogen; Compositions of derivatives of such polymers
- C08L27/22—Compositions of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a halogen; Compositions of derivatives of such polymers modified by chemical after-treatment
- C08L27/24—Compositions of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a halogen; Compositions of derivatives of such polymers modified by chemical after-treatment halogenated
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- C08L33/00—Compositions of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and only one being terminated by only one carboxyl radical, or of salts, anhydrides, esters, amides, imides or nitriles thereof; Compositions of derivatives of such polymers
- C08L33/04—Homopolymers or copolymers of esters
- C08L33/06—Homopolymers or copolymers of esters of esters containing only carbon, hydrogen and oxygen, which oxygen atoms are present only as part of the carboxyl radical
- C08L33/10—Homopolymers or copolymers of methacrylic acid esters
- C08L33/12—Homopolymers or copolymers of methyl methacrylate
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- C09K—MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FOR ELSEWHERE
- C09K21/00—Fireproofing materials
- C09K21/02—Inorganic materials
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- E—FIXED CONSTRUCTIONS
- E06—DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
- E06B—FIXED OR MOVABLE CLOSURES FOR OPENINGS IN BUILDINGS, VEHICLES, FENCES OR LIKE ENCLOSURES IN GENERAL, e.g. DOORS, WINDOWS, BLINDS, GATES
- E06B5/00—Doors, windows, or like closures for special purposes; Border constructions therefor
- E06B5/10—Doors, windows, or like closures for special purposes; Border constructions therefor for protection against air-raid or other war-like action; for other protective purposes
- E06B5/16—Fireproof doors or similar closures; Adaptations of fixed constructions therefor
- E06B5/168—Shape of edges of wing and/or its frame specially adapted therefor
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- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/18—Oxygen-containing compounds, e.g. metal carbonyls
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- C08K2003/265—Calcium, strontium or barium carbonate
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- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/32—Phosphorus-containing compounds
- C08K2003/321—Phosphates
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- C08K2003/323—Ammonium polyphosphate
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- C08K2201/005—Additives being defined by their particle size in general
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- C08K2201/019—Specific properties of additives the composition being defined by the absence of a certain additive
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- C08L2205/00—Polymer mixtures characterised by other features
- C08L2205/03—Polymer mixtures characterised by other features containing three or more polymers in a blend
Definitions
- Synthetic resins are widely used as building materials because of their good moldability and the ability to produce large quantities of uniform products.
- synthetic resins easily melt or burn and generate gas and smoke, making them safer in the event of a fire. Therefore, there is a demand for a material with low smoke generation and excellent fire resistance.
- the material is not only difficult to burn, but even if it burns, it retains its shape and prevents the flame from turning outside the door or window (back side) Is required.
- Patent Document 1 describes a chlorinated polyvinyl chloride resin composition capable of stably extruding for a long time a deformed molded article having a complicated sectional shape such as a sash.
- the chlorinated polyvinyl chloride resin composition comprises 100 parts by weight of chlorinated polyvinyl chloride resin, 3 to 300 parts by weight of thermally expandable graphite, 3 to 300 parts by weight of an inorganic filler, and 20 to 200 plasticizers. It consists of parts by weight and does not contain phosphorus compounds (excluding phosphate ester plasticizers).
- An object of the present invention is to provide a heat-expandable refractory resin composition having both high expansibility and high residual hardness.
- a further object of the present invention is to provide a thermally expandable refractory resin composition having both high expandability and high residual hardness and shape retention.
- the present invention provides the following thermally expandable refractory resin composition.
- Item 1. A thermal expansibility characterized by containing 100 parts by weight of a resin component, 3 to 300 parts by weight of thermally expandable graphite, and 2 to 200 parts by weight of an inorganic filler, and having an average aspect ratio of 20 or more.
- Refractory resin composition Item 2.
- Item 2. The heat-expandable refractory resin composition according to Item 1, wherein the average particle diameter of the heat-expandable graphite is in the range of 100 to 1000 ⁇ m and the average thickness is 50 ⁇ m or less.
- Item 3. Item 3.
- Item 4. The thermally expandable refractory resin composition according to any one of Items 1 to 3, which does not contain a phosphorus compound (excluding a phosphate ester plasticizer).
- Item 5. A fireproof member comprising the thermally expandable fireproof resin composition according to any one of Items 1 to 4.
- a joinery comprising the fireproof member according to Item 5.
- the heat-expandable refractory resin composition of the present invention is excellent in fire resistance because the obtained molded product has high expansibility and high residual hardness. Furthermore, the resin composition of the present invention can be excellent in shape retention. Further, in a specific embodiment, the thermally expandable refractory resin composition of the present invention can be stably extruded for a long time, and in particular, a deformed molded body having a complicated cross-sectional shape such as a sash can be stably formed for a long time. Can be extruded.
- the schematic diagram explaining the thermally expansible graphite in this invention It is a schematic front view which shows the fireproof window which provided the molded object in the sash frame with the resin composition of this invention.
- the graph which shows the expansion rate and residue hardness of each sample.
- the thermally expandable refractory resin composition of the present invention contains 100 parts by weight of a resin component, 3 to 300 parts by weight of thermally expandable graphite, and 2 to 200 parts by weight of an inorganic filler, and has an average aspect ratio of thermally expandable graphite. It is characterized by being 20 or more.
- the resin component used in the present invention may be a synthetic resin such as a thermoplastic resin or a thermosetting resin, an elastomer, rubber, or a combination thereof.
- thermoplastic resin examples include polypropylene resins, polyethylene resins, poly (1-) butene resins, polyolefin resins such as polypentene resins, polystyrene resins, acrylonitrile-butadiene-styrene (ABS) resins, polycarbonate resins, and polyphenylenes.
- examples include ether resins, acrylic resins, polyamide resins, polyvinyl chloride resins, and polyisobutylene resins.
- thermosetting resin examples include urethane resin, isocyanurate resin, epoxy resin, phenol resin, urea resin, unsaturated polyester resin, alkyd resin, melamine resin, diallyl phthalate resin, and silicone resin.
- thermoplastic elastomers such as olefin elastomers, styrene elastomers, ester elastomers, amide elastomers, and vinyl chloride elastomers.
- Examples of rubber include natural rubber, butyl rubber, fluorine rubber, urethane rubber, silicone rubber, polychloroprene rubber, polybutadiene rubber, polyisoprene rubber, polyisobutylene rubber, styrene-butadiene rubber, butadiene-acrylonitrile rubber, nitrile rubber, ethylene And rubber resins such as ethylene / ⁇ -olefin copolymer rubber such as propylene / diene copolymer.
- These synthetic resins and / or rubbers can be used alone or in combination of two or more.
- a blend of two or more resins may be used as the base resin.
- the resin component may be subjected to crosslinking or modification within a range that does not impair fire resistance.
- the resin may be crosslinked or modified in advance, and may be crosslinked or modified at the time of blending or after blending other components such as a phosphorus compound or inorganic filler described later. You may give it.
- the crosslinking method is not particularly limited, and examples thereof include a crosslinking method usually performed for the above resin component, for example, a crosslinking method using various crosslinking agents and peroxides, and a crosslinking method by electron beam irradiation.
- the resin component includes at least one selected from the group consisting of polyvinyl chloride, chlorinated vinyl chloride, and a thermoplastic elastomer. In another embodiment, the resin component includes at least one selected from the group consisting of EPDM, polybutene, and polybutadiene.
- the chlorinated vinyl chloride resin is a chlorinated product of a vinyl chloride resin.
- the chlorine content decreases, the heat resistance decreases, and when the chlorine content increases, the melt extrusion molding becomes difficult. .
- the vinyl chloride resin is not particularly limited and may be any conventionally known vinyl chloride resin.
- a vinyl chloride homopolymer a vinyl chloride monomer and an unsaturated bond copolymerizable with the vinyl chloride monomer Copolymers with monomers; examples include graft copolymers obtained by graft copolymerization of vinyl chloride with (co) polymers other than vinyl chloride. These may be used alone or in combination of two or more. Also good.
- the monomer having an unsaturated bond copolymerizable with the vinyl chloride monomer is not particularly limited as long as it is copolymerizable with the vinyl chloride monomer.
- ⁇ -olefins such as ethylene, propylene, butylene; vinyl acetate, Vinyl esters such as vinyl propionate; vinyl ethers such as butyl vinyl ether and cetyl vinyl ether; (meth) acrylic esters such as methyl (meth) acrylate, ethyl (meth) acrylate and butyl acrylate; styrene, ⁇ -methylstyrene, etc.
- Aromatic vinyls; N-substituted maleimides such as N-phenylmaleimide and N-cyclohexylmaleimide, and the like. These may be used alone or in combination of two or more.
- the (co) polymer for graft copolymerization of vinyl chloride is not particularly limited as long as it is a graft (co) polymerization of vinyl chloride.
- a chlorinated polyethylene, a chlorinated polypropylene, etc. are mentioned, These may be used independently and 2 or more types may be used together.
- the average degree of polymerization of the vinyl chloride resin is not particularly limited. However, if it becomes smaller, the mechanical properties of the molded article will decrease, and if it becomes larger, the melt viscosity becomes higher and melt extrusion molding becomes difficult. 1500 is preferred.
- EPDM used in the present invention include terpolymers of ethylene, propylene and a diene monomer for crosslinking.
- the diene monomer for crosslinking used in EPDM is not particularly limited.
- 5-ethylidene-2-norbornene, 5-propylidene-5-norbornene, dicyclopentadiene, 5-vinyl-2-norbornene, 5-methylene-2 -Cyclic dienes such as norbornene, 5-isopropylidene-2-norbornene, norbornadiene, 1,4-hexadiene, 4-methyl-1,4-hexadiene, 5-methyl-1,4-hexadiene, 5-methyl-1 , 5-heptadiene, 6-methyl-1,5-heptadiene, 6-methyl-1,7-octadiene, and the like.
- the content of the crosslinking diene monomer is preferably in the range of 2.0 wt% to 20 wt%, and more preferably in the range of 5.0 wt% to 15 wt%.
- the content is 2.0% by weight or more, the intermolecular cross-linking proceeds, so the flexibility is excellent.
- the content is 20% by weight or less, the weather resistance is excellent.
- polystyrene resin a commercially available product can be appropriately selected and used.
- examples of such polybutadiene include homopolymer types such as Claprene LBR-305 (manufactured by Kuraray Co., Ltd.) and copolymers of 1,2-bonded butadiene and 1,4-bonded butadiene such as Poly bd (made by Idemitsu Kosan Co., Ltd.).
- a copolymer type of ethylene, 1,4-bonded butadiene, and 1,2-bonded butadiene such as Claprene L-SBR-820 (manufactured by Kuraray Co., Ltd.).
- the polybutene preferably has a weight average molecular weight of 300 to 2,000 as measured by a method in accordance with ASTM D2503. When the weight average molecular weight is 300 to 2,000, the extrusion moldability is good.
- Examples of the polybutene used in the present invention include “100R” (weight average molecular weight: 940), “300R” (weight average molecular weight: 1450) manufactured by Idemitsu Petrochemical Co., Ltd., “HV-100” (weight) manufactured by Nippon Petrochemical Co., Ltd. Average molecular weight: 970), “H-100” (weight average molecular weight: 940) manufactured by AMOCO.
- the resin component used in the present invention is preferably one in which at least one of polybutene and polybutadiene is added to EPDM from the viewpoint of improving moldability.
- the addition amount of at least one of the polybutene and polybutadiene with respect to 100 parts by weight of the resin component is preferably in the range of 1 to 30 parts by weight, and more preferably in the range of 3 to 25 parts.
- Thermally expandable graphite is a conventionally known substance, and powders such as natural scaly graphite, pyrolytic graphite, and quiche graphite are mixed with inorganic acids such as concentrated sulfuric acid, nitric acid, and selenic acid, and concentrated nitric acid, perchloric acid, and perchlorine.
- This is a crystalline compound in which a graphite intercalation compound is produced by treatment with a strong oxidizing agent such as acid salt, permanganate, dichromate, hydrogen peroxide, etc., and maintains a layered structure of carbon.
- the thermally expandable graphite obtained by acid treatment may be neutralized with ammonia, an aliphatic lower amine, an alkali metal compound, an alkaline earth metal compound, or the like.
- Examples of the aliphatic lower amine include monomethylamine, dimethylamine, trimethylamine, ethylamine, propylamine, and butylamine.
- Examples of the alkali metal compound and alkaline earth metal compound include hydroxides such as potassium, sodium, calcium, barium, and magnesium, oxides, carbonates, sulfates, and organic acid salts.
- Specific examples of the thermally expandable graphite include “CA-60S” manufactured by Nippon Kasei Co., Ltd., for example.
- the heat-expandable graphite used in the present invention has an average aspect ratio of 20 or more and preferably 25 or more. However, if it is too high, cracks may occur. When the average aspect ratio of the thermally expandable graphite is 20 or more, it contributes to the high expansibility of the resin composition and the high residual hardness after combustion.
- the average aspect ratio is the ratio of the average diameter in the horizontal direction to the thickness in the vertical direction. Since the thermally expandable graphite used in the present invention has a generally flat plate shape, it can be seen that the vertical direction matches the thickness direction and the horizontal direction matches the radial direction, so the maximum horizontal dimension is the vertical thickness. The divided value is used as the aspect ratio.
- the aspect ratio is measured for a sufficiently large number, that is, 10 or more pieces of graphite, and the average value is defined as the average aspect ratio.
- the average particle diameter of the thermally expandable graphite can also be obtained as an average value of the maximum dimension in the horizontal direction.
- thermally expandable graphite and the thickness of exfoliated graphite can be measured using, for example, a field emission scanning electron microscope (FE-SEM).
- the average particle diameter of the thermally expandable graphite is in the range of 1 to 100 ⁇ m and the average thickness is 50 ⁇ m or less.
- FIG. 1B is the thermally expandable graphite in the present invention.
- FIG. 1 (B) compared with the prior art thermally expandable graphite of FIG. 1 (A), many can exist in the same space, and when the aspect ratio is high, the expansion efficiency of the composition is large.
- thermal expansive graphite having an aspect ratio that is too small as shown in FIG. 1C is arranged, it is confirmed that the composition has low thermal expansivity even if many can exist in the same space (data not shown). Therefore, it is a surprising finding that it contributes to improvement of fire resistance in FIG. 1 (B).
- the amount of thermally expandable graphite is reduced, the fire resistance and foaming properties are reduced, and when it is increased, extrusion molding becomes difficult, the surface properties of the obtained molded article are deteriorated, and the mechanical properties are lowered.
- the amount is 3 to 300 parts by weight with respect to 100 parts by weight.
- the amount of thermally expandable graphite added is preferably in the range of 10 to 200 parts by weight with respect to 100 parts by weight of the resin component.
- the inorganic filler is not particularly limited as long as it is an inorganic filler that is generally used when producing a vinyl chloride resin molded article.
- the amount of the inorganic filler When the amount of the inorganic filler is reduced, the fire resistance is lowered, and when it is increased, the extrusion molding is difficult, the surface property of the obtained molded article is deteriorated, and the mechanical properties are lowered. On the other hand, it is 3 to 200 parts by weight.
- the addition amount of the inorganic filler is preferably in the range of 10 to 150 parts by weight with respect to 100 parts by weight of the resin component.
- the heat-expandable refractory resin composition of the present invention contains a resin component, heat-expandable graphite, and an inorganic filler, but if it contains a phosphorus compound (excluding a phosphate ester plasticizer), it is extrudable. Therefore, a phosphorus compound (excluding phosphate ester plasticizer) is preferably not contained. In addition, you may contain the phosphate ester plasticizer which is a plasticizer mentioned later.
- the phosphorus compounds that hinder extrusion moldability are as follows.
- Red phosphorus Various phosphate esters such as triphenyl phosphate, tricresyl phosphate, trixylenyl phosphate, cresyl diphenyl phosphate, xylenyl diphenyl phosphate, Metal phosphates such as sodium phosphate, potassium phosphate, magnesium phosphate, Ammonium polyphosphates, Examples include compounds represented by the following chemical formula (1).
- R 1 and R 3 represent hydrogen, a linear or branched alkyl group having 1 to 16 carbon atoms, or an aryl group having 6 to 16 carbon atoms
- R 2 is a hydroxyl group, a linear or branched alkyl group having 1 to 16 carbon atoms, a linear or branched alkoxyl group having 1 to 16 carbon atoms, an aryl group having 6 to 16 carbon atoms, or carbon Represents an aryloxy group of formula 6-16.
- Examples of the compound represented by the chemical formula (1) include methylphosphonic acid, dimethyl methylphosphonate, diethyl methylphosphonate, ethylphosphonic acid, propylphosphonic acid, butylphosphonic acid, 2-methylpropylphosphonic acid, and t-butylphosphonic acid.
- 2,3-dimethyl-butylphosphonic acid 2,3-dimethyl-butylphosphonic acid, octylphosphonic acid, phenylphosphonic acid, dioctylphenylphosphonate, dimethylphosphinic acid, methylethylphosphinic acid, methylpropylphosphinic acid, diethylphosphinic acid, dioctylphosphinic acid, phenylphosphinic acid, diethyl Examples thereof include phenylphosphinic acid, diphenylphosphinic acid, bis (4-methoxyphenyl) phosphinic acid and the like.
- ammonium polyphosphates are not particularly limited, and examples include ammonium polyphosphate and melamine-modified ammonium polyphosphate.
- a phosphorus compound that inhibits these extrudability is not used.
- the resin composition of the present invention may further contain a plasticizer.
- the resin composition of the present invention includes a plasticizer.
- the plasticizer is not particularly limited as long as it is a plasticizer generally used in producing a vinyl chloride resin molded article, and examples thereof include di-2-ethylhexyl phthalate (DOP), dibutyl phthalate (DBP), and diheptyl.
- DOP di-2-ethylhexyl phthalate
- DBP dibutyl phthalate
- diheptyl diheptyl
- Phthalate plasticizers such as phthalate (DHP) and diisodecyl phthalate (DIDP); fatty acid ester plasticizers such as di-2-ethylhexyl adipate (DOA), diisobutyl adipate (DIBA) and dibutyl adipate (DBA); Epoxidized soybean oil Epoxidized ester plasticizers such as adipic acid esters, polyester plasticizers such as adipic acid polyester; Trimellitic acid ester plasticizers such as tri-2-ethylhexyl trimellitate (TOTM) and triisononyl trimellitate (TINTM) ; Trimethylphosphine Preparative (TMP), include such phosphate ester plasticizers such as triethyl phosphate (TEP), they may be used singly, or two or more may be used in combination.
- DOA di-2-ethylhexyl adipate
- DIBA diisobutyl a
- the amount of the plasticizer added is 20 to 200 parts by weight with respect to 100 parts by weight of the resin component because the extrudability is lowered when the amount is reduced and the obtained molded body becomes too soft when the amount is increased.
- thermal stabilizer other than a phosphorus compound which is generally used in thermoforming a vinyl chloride resin composition, if necessary, as long as its physical properties are not impaired.
- a lubricant, a processing aid, a pyrolytic foaming agent, an antioxidant, an antistatic agent, a pigment, and the like may be added.
- heat stabilizer examples include lead heat stabilizers such as tribasic lead sulfate, tribasic lead sulfite, dibasic lead phosphite, lead stearate, dibasic lead stearate; organotin mercapto, organic Organotin heat stabilizers such as tin malate, organotin laurate, dibutyltin malate; metal soap heat stabilizers such as zinc stearate and calcium stearate; these may be used alone or in combination of two or more You may use together.
- lead heat stabilizers such as tribasic lead sulfate, tribasic lead sulfite, dibasic lead phosphite, lead stearate, dibasic lead stearate
- organotin mercapto organic Organotin heat stabilizers such as tin malate, organotin laurate, dibutyltin malate
- metal soap heat stabilizers such as zinc stearate and calcium ste
- lubricant examples include waxes such as polyethylene, paraffin, and montanic acid; various ester waxes; organic acids such as stearic acid and ricinoleic acid; organic alcohols such as stearyl alcohol; and amide compounds such as dimethylbisamide. These may be used alone or in combination of two or more.
- processing aids include chlorinated polyethylene, methyl methacrylate-ethyl acrylate copolymer, and high molecular weight polymethyl methacrylate.
- pyrolytic foaming agent examples include azodicarbonamide (ADCA), dinitrosopentamethylenetetramine (DPT), p, p-oxybisbenzenesulfonylhydrazide (OBSH), azobisisobutyronitrile (AIBN), and the like. Can be mentioned.
- ADCA azodicarbonamide
- DPT dinitrosopentamethylenetetramine
- OBSH p-oxybisbenzenesulfonylhydrazide
- AIBN azobisisobutyronitrile
- the heat-expandable refractory resin composition of the present invention can be obtained by melt extrusion at 130 to 170 ° C. with an extruder such as a single screw extruder or a twin screw extruder according to a conventional method.
- the heat-expandable fire-resistant resin composition of the present invention is used to impart fire resistance to structures such as windows, shojis, doors (that is, doors), doors, brans, and railings; ships; and elevators.
- the heat-expandable refractory resin composition of the present invention has excellent moldability, it is possible to easily obtain a modified molded body that is long and has a complicated cross-sectional shape.
- the present invention includes a fire-resistant member including the molded body, and a fitting including the fire-resistant member, which includes the resin composition of the present invention.
- FIG. 2 is a schematic diagram showing a sash frame of a window 1 as a fitting, to which a molded body 4 formed from the resin composition of the present invention is applied.
- the sash frame has two inner frames 2 and one outer frame 3 surrounding the inner frame 2, and the inner frame 2 and the outer frame 3 along each side of the frame main body 2.
- a molded body 4 is attached to the inside of the outer frame 3.
- fire resistance can be imparted to the window 1.
- the thermally expandable refractory resin composition of the present invention has an expansion ratio of greater than 10 after heating at 600 ° C. for 30 minutes and a residual hardness of greater than 0.25 kgf / cm 2 .
- the thermally expandable refractory resin composition has excellent shape retention.
- Example 1 Comparative Example 1 Aspect ratio As thermal expandable graphite, “ADT501” manufactured by ADT was used in Example 1, “EXP50T” manufactured by Nippon Graphite Industries Co., Ltd. was used in Example 2, and “GREP-EG” manufactured by Tosohichi Co., Ltd. (expansion start temperature: 220 ° C.). In Comparative Example 1, the aspect ratio of each thermally expandable graphite and each thermally expandable graphite were blended in the composition shown in Table 1.
- the shape retainability of the residue is measured by holding both ends of the test piece whose expansion ratio has been measured by hand and visually measuring the ease with which the residue can be collapsed. Was evaluated as PASS, and when the specimen collapsed and could not be lifted, it was evaluated as FAIL.
- Examples 3 to 22 A formulation containing ingredients of the formulation shown in Table 2 was fed to a single screw extruder as described above with respect to Examples 1-2 and Comparative Example 1 and had an E-shaped cross section at 150 ° C. The long profile molded body was extruded at a speed of 1 m / hr for 2 hours.
- the aspect ratio of “ADT351” manufactured by ADT is 21.3.
- CPVC polyvinyl chloride resin (degree of polymerization 1000, referred to as “PVC”) in Examples 7 to 10, and ethylene-vinyl acetate copolymer resin (Mitsui DuPont Polychemicals EVAFLEX EV360, referred to as “EVA”), Examples 16-20, ethylene-propylene-diene rubber (Mitsui Chemicals, Mitsui EPT3092M, referred to as “EPDM”), Examples 21, 22 are bisphenol F type Obtained by kneading and heat-curing an epoxy monomer (“E807” manufactured by Yuka Shell Co., Ltd.) and a diamine-based curing agent (“EKFL052” manufactured by Yuka Shell Co., Ltd.) with a blending amount of 3: 2. Epoxy resin was used.
- the ammonium polyphosphate was “AP422” manufactured by Clariant, and the softener was “Diana Process Oil PW-90” manufactured by Idemitsu Kosan Co., Ltd.
- (Formability) In any of Examples 3 to 22, a long-shaped molded article having a beautiful surface can be extruded for 2 hours, and there is no adhesion of the compound to the screw and mold after extrusion for 2 hours. there were.
- (Expansion magnification) A test piece (length 100 mm, width 100 mm, thickness 2.0 mm) prepared from the obtained molded body was supplied to an electric furnace and heated at 600 ° C.
- the thickness of the test piece after heating was measured ( The thickness of the test piece after heating) / (thickness of the test piece before heating) was calculated as the expansion ratio. (Residue hardness)
- the heated test piece whose expansion ratio was measured was supplied to a compression tester (“Finger Filling Tester” manufactured by Kato Tech Co., Ltd.), compressed at a speed of 0.1 cm / sec with a 0.25 cm 2 indenter, and fractured. Point stress was measured.
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Abstract
Description
本願は、2014年8月27日に出願した特願2014-173016号明細書の優先権の利益を主張するものであり、当該明細書はその全体が参照により本明細書中に援用される。
(技術分野)
本発明は、熱膨張性耐火樹脂組成物に関する。
項1.樹脂成分100重量部、熱膨張性黒鉛3~300重量部、及び無機充填材2~200重量部を含有し、熱膨張性黒鉛の平均アスペクト比が20以上であることを特徴とする熱膨張性耐火樹脂組成物。
項2.熱膨張性黒鉛の平均粒径が100~1000μmの範囲にあり、かつ平均厚さが50μm以下である、項1に記載の熱膨張性耐火樹脂組成物。
項3.樹脂成分が樹脂成分がポリ塩化ビニル、塩素化塩化ビニル及び熱可塑性エラストマーからなる群より選ばれる少なくとも一つを含む、項1又は項2に記載の熱膨張性耐火樹脂組成物。
項4.リン化合物(燐酸エステル可塑剤を除く。)を含有しないことを特徴とする項1~3のいずれか一項に記載の熱膨張性耐火樹脂組成物。
項5.項1~4のいずれか一項に記載の熱膨張性耐火樹脂組成物を備えた耐火部材。
項6.項5に記載の耐火部材を備えた建具。
トリフェニルホスフェート、トリクレジルホスフェート、トリキシレニルホスフェート、クレジルジフェニルホスフェート、キシレニルジフェニルホスフェート等の各種リン酸エステル、
リン酸ナトリウム、リン酸カリウム、リン酸マグネシウム等のリン酸金属塩、
ポリリン酸アンモニウム類、
下記化学式(1)で表される化合物等が挙げられる。
R2は、水酸基、炭素数1~16の直鎖状若しくは分岐状のアルキル基、炭素数1~16の直鎖状若しくは分岐状のアルコキシル基、炭素数6~16のアリール基、又は、炭素数6~16のアリールオキシ基を表す。
アスペクト比
熱膨張性黒鉛として、ADT社製「ADT501」を実施例1、日本黒鉛工業社製「EXP50T」を実施例2、東ソ一社製「GREP-EG」(膨張開始温度220℃)を比較例1とし、各熱膨張性黒鉛のアスペクト比と、各熱膨張性黒鉛を表1に示した組成で配合した。
(成形性)
実施例1,2及び比較例1のいずれとも、表面が美麗な長尺異型成形体を2時間押出成形でき、2時間押出成形した後のスクリュー及び金型への配合物の付着もなく、成形性は良好であった。
(膨張倍率)
得られた成形体から作製した試験片(長さ100mm、幅100mm、厚さ2.0mm)を電気炉に供給し、600℃で30分間加熱した後、試験片の厚さを測定し、(加熱後の試験片の厚さ)/(加熱前の試験片の厚さ)を膨張倍率として算出した。
(残渣硬さ)
膨張倍率を測定した加熱後の試験片を圧縮試験機(カトーテック社製、「フィンガーフイリングテスター」)に供給し、0.25cm2の圧子で0.1cm/秒の速度で圧縮し、破断点応力を測定した。
(残渣の形状保持性)
上記残渣硬さは膨張後の残渣の硬さの指標になるが、測定が残渣の表面部分に限られるため、残渣全体の硬さの指標にならないことがあるので、残渣全体の硬さの指標として形状保持性を測定した。残渣の形状保持性は、膨張倍率を測定した試験片の両端部を手で持って持ち上げて、その際の残渣の崩れやすさを目視して測定した、試験片が崩れることなく持ち上げられた場合をPASSと評価し、試験片が崩壊して持ち上げられない場合をFAILと評価した。
表2に示した配合の成分を含有する配合物を、実施例1~2および比較例1に関して上記に記載したのと同様に一軸押出機に供給し、150℃で断面形状がE字状の長尺異型成形体を1m/hrの速度で2時間押出成形した。
(成形性)
実施例3~22のいずれとも、表面が美麗な長尺異型成形体を2時間押出成形でき、2時間押出成形した後のスクリュー及び金型への配合物の付着もなく、成形性は良好であった。
(膨張倍率)
得られた成形体から作製した試験片(長さ100mm、幅100mm、厚さ2.0mm)を電気炉に供給し、600℃で30分間加熱した後、試験片の厚さを測定し、(加熱後の試験片の厚さ)/(加熱前の試験片の厚さ)を膨張倍率として算出した。
(残渣硬さ)
膨張倍率を測定した加熱後の試験片を圧縮試験機(カトーテック社製、「フィンガーフイリングテスター」)に供給し、0.25cm2の圧子で0.1cm/秒の速度で圧縮し、破断点応力を測定した。
(残渣の形状保持性)
上記残渣硬さは膨張後の残渣の硬さの指標になるが、測定が残渣の表面部分に限られるため、残渣全体の硬さの指標にならないことがあるので、残渣全体の硬さの指標として形状保持性を測定した。残渣の形状保持性は、膨張倍率を測定した試験片の両端部を手で持って持ち上げて、その際の残渣の崩れやすさを目視して測定した、試験片が崩れることなく持ち上げられた場合をPASSと評価し、試験片が崩壊して持ち上げられない場合をFAILと評価した。
Claims (6)
- 樹脂成分100重量部、熱膨張性黒鉛3~300重量部、及び無機充填材2~200重量部を含有し、熱膨張性黒鉛の平均アスペクト比が20以上であることを特徴とする熱膨張性耐火樹脂組成物。
- 熱膨張性黒鉛の平均粒径が100~1000μmの範囲にあり、かつ平均厚さが50μm以下である、請求項1に記載の熱膨張性耐火樹脂組成物。
- 樹脂成分が樹脂成分がポリ塩化ビニル、塩素化塩化ビニル及び熱可塑性エラストマーからなる群より選ばれる少なくとも一つを含む、請求項1又は2に記載の熱膨張性耐火樹脂組成物。
- リン化合物(燐酸エステル可塑剤を除く。)を含有しないことを特徴とする請求項1~3のいずれか一項に記載の熱膨張性耐火樹脂組成物。
- 請求項1~4のいずれか一項に記載の熱膨張性耐火樹脂組成物を備えた耐火部材。
- 請求項5に記載の耐火部材を備えた建具。
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CN201580046137.3A CN106604972A (zh) | 2014-08-27 | 2015-08-27 | 热膨胀性耐火树脂组合物 |
US15/505,953 US10538616B2 (en) | 2014-08-27 | 2015-08-27 | Thermally expandable fire resistant resin composition |
KR1020177004831A KR102171427B1 (ko) | 2014-08-27 | 2015-08-27 | 열팽창성 내화 수지 조성물 |
ES15835504T ES2735404T3 (es) | 2014-08-27 | 2015-08-27 | Composición de resina resistente al fuego térmicamente expandible |
AU2015309847A AU2015309847A1 (en) | 2014-08-27 | 2015-08-27 | Thermally expandable fire resistant resin composition |
EP15835504.0A EP3187549B1 (en) | 2014-08-27 | 2015-08-27 | Thermally expandable fire resistant resin composition |
JP2015548521A JP6279610B2 (ja) | 2014-08-27 | 2015-08-27 | 熱膨張性耐火樹脂組成物 |
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JP6286004B2 (ja) | 2018-02-28 |
JP7048701B2 (ja) | 2022-04-05 |
EP3187549A1 (en) | 2017-07-05 |
EP3187549B1 (en) | 2019-04-24 |
CN106604972A (zh) | 2017-04-26 |
KR102171427B1 (ko) | 2020-10-29 |
US20170253691A1 (en) | 2017-09-07 |
JP2021042384A (ja) | 2021-03-18 |
JP2018024891A (ja) | 2018-02-15 |
ES2735404T3 (es) | 2019-12-18 |
EP3187549A4 (en) | 2018-04-11 |
KR20170045220A (ko) | 2017-04-26 |
JP2019143163A (ja) | 2019-08-29 |
AU2015309847A1 (en) | 2017-03-16 |
JP6792026B2 (ja) | 2020-11-25 |
US10538616B2 (en) | 2020-01-21 |
JP6279610B2 (ja) | 2018-02-14 |
JP2017057399A (ja) | 2017-03-23 |
JP6539327B2 (ja) | 2019-07-03 |
JPWO2016031910A1 (ja) | 2017-04-27 |
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