WO2007029855A1 - 発泡性レゾール型フェノール樹脂成形材料およびフェノール樹脂発泡体 - Google Patents
発泡性レゾール型フェノール樹脂成形材料およびフェノール樹脂発泡体 Download PDFInfo
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- WO2007029855A1 WO2007029855A1 PCT/JP2006/317949 JP2006317949W WO2007029855A1 WO 2007029855 A1 WO2007029855 A1 WO 2007029855A1 JP 2006317949 W JP2006317949 W JP 2006317949W WO 2007029855 A1 WO2007029855 A1 WO 2007029855A1
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- phenolic resin
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- phenol resin
- resin foam
- foam
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J9/00—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof
- C08J9/04—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof using blowing gases generated by a previously added blowing agent
- C08J9/12—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof using blowing gases generated by a previously added blowing agent by a physical blowing agent
- C08J9/14—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof using blowing gases generated by a previously added blowing agent by a physical blowing agent organic
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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
- C08J9/0014—Use of organic additives
- C08J9/0019—Use of organic additives halogenated
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- B—PERFORMING OPERATIONS; TRANSPORTING
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- B32B13/00—Layered products comprising a a layer of water-setting substance, e.g. concrete, plaster, asbestos cement, or like builders' material
- B32B13/02—Layered products comprising a a layer of water-setting substance, e.g. concrete, plaster, asbestos cement, or like builders' material with fibres or particles being present as additives in the layer
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B13/00—Layered products comprising a a layer of water-setting substance, e.g. concrete, plaster, asbestos cement, or like builders' material
- B32B13/04—Layered products comprising a a layer of water-setting substance, e.g. concrete, plaster, asbestos cement, or like builders' material comprising such water setting substance as the main or only constituent of a layer, which is next to another layer of the same or of a different material
- B32B13/045—Layered products comprising a a layer of water-setting substance, e.g. concrete, plaster, asbestos cement, or like builders' material comprising such water setting substance as the main or only constituent of a layer, which is next to another layer of the same or of a different material of foam
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- B—PERFORMING OPERATIONS; TRANSPORTING
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- B32B15/00—Layered products comprising a layer of metal
- B32B15/04—Layered products comprising a layer of metal comprising metal as the main or only constituent of a layer, which is next to another layer of the same or of a different material
- B32B15/046—Layered products comprising a layer of metal comprising metal as the main or only constituent of a layer, which is next to another layer of the same or of a different material of foam
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- B32B21/00—Layered products comprising a layer of wood, e.g. wood board, veneer, wood particle board
- B32B21/04—Layered products comprising a layer of wood, e.g. wood board, veneer, wood particle board comprising wood as the main or only constituent of a layer, which is next to another layer of the same or of a different material
- B32B21/047—Layered products comprising a layer of wood, e.g. wood board, veneer, wood particle board comprising wood as the main or only constituent of a layer, which is next to another layer of the same or of a different material of foam
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- B32B5/00—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts
- B32B5/22—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts characterised by the presence of two or more layers which are next to each other and are fibrous, filamentary, formed of particles or foamed
- B32B5/24—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts characterised by the presence of two or more layers which are next to each other and are fibrous, filamentary, formed of particles or foamed one layer being a fibrous or filamentary layer
- B32B5/245—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts characterised by the presence of two or more layers which are next to each other and are fibrous, filamentary, formed of particles or foamed one layer being a fibrous or filamentary layer another layer next to it being a foam layer
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- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
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- C08J9/0014—Use of organic additives
- C08J9/0028—Use of organic additives containing nitrogen
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- C—CHEMISTRY; METALLURGY
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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
- C08J9/0061—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof characterized by the use of several polymeric components
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
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- B32B2264/104—Oxysalt, e.g. carbonate, sulfate, phosphate or nitrate particles
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- B32B2307/304—Insulating
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- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2307/00—Properties of the layers or laminate
- B32B2307/30—Properties of the layers or laminate having particular thermal properties
- B32B2307/306—Resistant to heat
- B32B2307/3065—Flame resistant or retardant, fire resistant or retardant
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- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2307/00—Properties of the layers or laminate
- B32B2307/70—Other properties
- B32B2307/714—Inert, i.e. inert to chemical degradation, corrosion
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J2201/00—Foams characterised by the foaming process
- C08J2201/02—Foams characterised by the foaming process characterised by mechanical pre- or post-treatments
- C08J2201/024—Preparation or use of a blowing agent concentrate, i.e. masterbatch in a foamable composition
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- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J2205/00—Foams characterised by their properties
- C08J2205/04—Foams characterised by their properties characterised by the foam pores
- C08J2205/052—Closed cells, i.e. more than 50% of the pores are closed
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- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J2361/00—Characterised by the use of condensation polymers of aldehydes or ketones; Derivatives of such polymers
- C08J2361/04—Condensation polymers of aldehydes or ketones with phenols only
- C08J2361/06—Condensation polymers of aldehydes or ketones with phenols only of aldehydes with phenols
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J2467/00—Characterised by the use of polyesters obtained by reactions forming a carboxylic ester link in the main chain; Derivatives of such polymers
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- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
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- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
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- C08L61/06—Condensation polymers of aldehydes or ketones with phenols only of aldehydes with phenols
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- 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
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- 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
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- Y10T442/60—Nonwoven fabric [i.e., nonwoven strand or fiber material]
- Y10T442/647—Including a foamed layer or component
Definitions
- the present invention relates to a foamable resol-type phenol resin molding material and a phenol resin foam using the same. More specifically, the present invention is excellent in flame retardancy and fire resistance, has good long-term stability of heat insulation performance, has excellent strength, improved brittleness, and has a higher pH than conventional products.
- the present invention relates to a foamable resol-type phenol resin molding material that gives a phenol resin foam having good corrosion resistance to a member, and a phenol resin foam having the above-mentioned properties obtained by foam-curing the same. Background art
- phenol resin foams have been used as heat insulation materials in construction and other industrial fields because they are excellent in heat insulation and flame retardancy * fire resistance.
- a phenol resin foam having an independent cell structure has a heat insulation performance with good stability over time, and a phenol resin foam having this independent cell structure.
- a method for producing 2006/317949 a method using a physical foaming means including black propane has been proposed (for example, refer to Japanese Patent Publication No. 5-8700).
- the phenol resin foam is produced at the time of manufacturing the phenol resin foam. It has been proposed to mix a foam stabilizer (bubble stabilizer) with the raw material. As this foam stabilizer, a method for producing a phenol resin foam using a castor oil ethylene oxide adduct has been reported (for example, Japanese Patent Laid-Open No. Sho 6 1-266 8 33). 6 3— 3 9 9 3 3) On the other hand, phenol resin foams are used in various applications, but depending on the application, high mechanical characteristics4, particularly those with low brittleness and low life may be required.
- phenol resin foam a method of foam-curing a foamable phenol resin molding material generally containing at least a phenol resin, a foaming agent and a curing agent is used, and an acid curing agent is used as the curing agent.
- organic acids such as sulfuric acid, benzene sulfonic acid, toluene sulfonic acid, and xylene sulfonic acid are used.
- the resulting phenol resin foam contains the acid curing agent, for example, when wet with rain, the acid curing agent is extracted with water.
- the metal member is in contact with the phenol resin foam, or when a metal member is present in the vicinity of the foam, there is a problem that the metal member is susceptible to corrosion. Disclosure of the invention
- the present invention is excellent in flame retardancy and flame retardant properties, has good long-term stability of heat insulation performance, has excellent strength, has improved brittleness, and is superior to conventional products. It is an object of the present invention to provide a foamable phenolic resin molding material that gives a phenolic resin foam having a high ⁇ and good corrosion resistance to contact members, and a phenolic resin foam having the above characteristics. To do.
- a foamable phenolic resin molding material a liquid resol type phenol resin, a foaming agent
- the purpose can be achieved by using a specific compound as a foaming agent and a nitrogen-containing cross-linked cyclic compound as an additive, including a foam stabilizer, an additive and an acid curing agent. Based on this knowledge, the present invention has been completed.
- foam stabilizer contains a castor oil ethylene oxide adduct obtained by adding more than 20 moles and less than 40 moles of ethylene oxide to 1 mole of castor oil.
- foamable resol-type phenol resin molding material according to item 1,
- the face material is at least one selected from glass nonwoven fabric, spunbond nonwoven fabric, aluminum foil-clad nonwoven fabric, metal plate, metal foil, plywood, calcium silicate plate, gypsum board and wood-based cement board.
- a phenol resin foam as described in the above item (12) is provided.
- the present invention in addition to excellent flame retardancy and fire resistance, the long-term stability of the heat insulation performance is excellent, the strength is improved, the brittleness is improved, and the pH is higher than that of conventional products.
- the foamable resol type phenol resin molding material of the present invention includes a liquid resol-type phenol resin, a foaming agent, a foam stabilizer, an additive, an acid curing agent, and, if desired, a plasticizer and an inorganic filler.
- the liquid resol type phenol resin is phenol, cresol, xylenol, or no.
- Phenolics such as raalkylphenol, noraf-phenol, resorcin, and their modified products, formaldehyde, paraformaldehyde, furfura
- This is a phenolic resin obtained by adding a catalytic amount of aldehydes such as sodium hydroxide, acetoaldehyde, etc. to a catalytic amount of sodium hydroxide, potassium hydroxide, calcium hydroxide, etc., but is not limited to this. is not.
- the ratio of phenols and aldehydes used is not particularly limited, but is usually about 1.0: 1.5 to 1.0: 3.0, preferably 1.0: 1.8 to 1.0. : 2.5.
- the foaming agent contains a chlorinated aliphatic hydrocarbon compound having 2 to 5 carbon atoms
- the chlorinated aliphatic hydrocarbon compound having 2 to 5 carbon atoms is a straight chain having 2 to 5 carbon atoms.
- chlorinated aliphatic hydrocarbon compounds include dichloroethane, propylene chloride, isopropyl chloride, butyl chloride mouth, isobutyl chloride mouth, pentyl chloride mouth, and isopentyl chloride. . These may be used singly or in combination of two or more.
- chloropropanes such as propyl chloride and isopropyl chloride are preferred, and in particular, isoprovir chloride. Is preferred.
- the resulting foam has a low initial thermal conductivity.
- the foaming agent used in the present invention is characterized by containing the chlorinated aliphatic hydrocarbon compound.
- 1, 1 and 1 as long as the performance and physical properties of the phenol resin foam of the present invention are not impaired.
- 1,3,3-pentafluorobutane and other fluorinated hydrocarbon compounds alternative chlorofluorocarbons
- trichloromonofluoromethane trichlorotrifluoroethane and other salt fluorinated hydrocarbon compounds
- butane pentane, hexane
- An appropriate amount of a hydrocarbon compound such as heptane, an ether compound such as isopropyl ether, a gas such as nitrogen, oxygen, argon, carbon dioxide gas, or a mixed gas thereof can be appropriately provided.
- the amount is preferably 0.1 to 20% by mass, more preferably 0.5 to 15% by mass, based on the chlorinated aliphatic hydrocarbon compound.
- the amount of the foaming agent used is usually:! ⁇ 20 parts by mass, preferably 5 ⁇ ; L 0 parts by mass.
- an agent containing a castor oil ethylene oxide (hereinafter, abbreviated as “E 2 O”) adduct is preferably used as the foam stabilizer.
- Castor oil is a non-drying oil obtained from the seeds of tugoma, etc., by a pressing method. Contains a saturated acid.
- foam stabilizer those having EO added to more than 20 mol and less than 40 mol per mol of the castor oil are preferable.
- More than 20 moles of EO and less than 40 moles are preferred.
- the reason is that when the number of moles of EO added is more than 20 moles and less than 40 moles, long-chain hydrocarbon groups of castor oil And a hydrophilic group mainly composed of a polyoxyethylene group formed by more than 20 mol and less than 40 mol of EO are arranged in a balanced manner in the molecule.
- a castor oil EO adduct having such a good surface activity the cell diameter of the phenolic resin foam can be kept small, and the cell wall can be flexible. This is because the effect of preventing the generation of cracks in the bubble wall is obtained.
- the added mole number of E 2 O is more preferably 21 1-38 moles.
- the castor oil EO adduct is used as a suitable component as the foam stabilizer, but in addition to this, dimethylpolysiloxane-polyoxyalkylene copolymer, dimethylpolysiloxane-polyoxyethylene.
- dimethylpolysiloxane-polyoxyalkylene copolymer dimethylpolysiloxane-polyoxyethylene.
- One polyoxypropylene copolymer, castor oil propylene oxide adduct, and the like can also be used.
- the content of the castor oil EO adduct in the foamable phenolic resin molding material is preferably 1 to 5 parts by mass, and 2 to 4 parts by mass per 100 parts by mass of the phenol resin. Is more preferred!
- the content of castor oil EO adduct is less than 1 part by mass, bubbles are difficult to be uniformly reduced. The water absorption of the produced phenolic resin foam increases and the manufacturing cost increases.
- a nitrogen-containing crosslinked cyclic compound is used as the additive.
- this nitrogen-containing crosslinked cyclic compound is used in the foamable phenolic resin molding material.
- the resulting phenolic resin foam has excellent mechanical strength and improved brittleness while maintaining good heat insulation performance. It has been found that unexpected effects are exhibited, such as high pH compared to the powerful conventional products and corrosion resistance.
- nitrogen-containing bridged cyclic compound examples include quinuclidine, vidin, hexamethylenetetramine and the like. These may be used alone or in combination of two or more. Of these, hexamethylenetetramine is preferred from the viewpoint of ease of obtaining the effect.
- the amount of the nitrogen-containing bridged cyclic compound used is preferably 0.1 to 10 parts by mass with respect to 100 parts by mass of the above-mentioned liquid resol type phenol resin from the viewpoint of balance between effect and economy. More preferably, it is 0.3 to 7 parts by mass.
- examples of the acid curing agent include inorganic acids such as sulfuric acid and phosphoric acid, benzenesulfonic acid, ethylbenzenesulfonic acid, and the like.
- Organic acids such as latoluene sulfonic acid, xylene sulfonic acid, naphthol sulfonic acid and phenol sulfonic acid are used.
- These acid curing agents may be used alone or in combination of two or more.
- plasticizer used as desired those containing polyester polyol are preferably used.
- the polyester polyol is obtained by reacting a polyvalent carboxylic acid and a polyhydric alcohol, and there is no particular limitation on the molecular weight, but it provides flexibility to the cell walls and suppresses deterioration over time.
- the weight average molecular weight is preferably about 20.00 to 10 and 0,000, and more preferably in the range of 2 0 to 5 and 0 0 and 0.
- the number of hydroxyl groups in one molecule of the polyhydric alcohol is not particularly limited as long as it is 2 or more.
- the polyester polyol can be obtained as a reaction product of, for example, a divalent to tetravalent polyvalent carboxylic acid and a divalent to pentavalent polyhydric alcohol, but a reaction product of a divalent carboxylic acid and a divalent alcohol.
- A represents a residue obtained by removing a carboxyl group from a divalent carboxylic acid
- R represents a residue obtained by removing a hydroxyl group from a divalent alcohol
- n represents an integer of 1 or more.
- preferred examples of the divalent carboxylic acid that forms A include aromatic dicarboxylic acids and aliphatic dicarboxylic acids and cycloaliphatic dicarboxylic acids.
- aromatic dicarboxylic acid include phthalic acid, isophthalic acid, terephthalic acid, naphthalene-1,2-dicarboxylic acid, naphthalene-1,4-dicanolepoonic acid, naphthalene-1,6-dicarboxylic acid, etc.
- saturated aliphatic dicarboxylic acids are preferred as the aliphatic dicarboxylic acids, and examples include adipic acid, pimelic acid, suberic acid, azelaic acid, and sepacic acid. be able to.
- the alicyclic dicarboxylic acid is preferably a saturated alicyclic dicarboxylic acid from the viewpoint of the stability of the resulting polyester polyol.
- Cyclohexane — 1,2-dicarboxylic acid, cyclohexane-1 examples thereof include 3-dicarboxylic acid and cyclohexane 1,4-dicarboxylic acid.
- examples of the dihydric alcohol that forms R include aromatic glycol, aliphatic dallicol, and alicyclic glycol, and aliphatic glycol and alicyclic darlicol are preferred.
- Aromatic glycols include benzenediethanol groups such as benzene-1,2-dimethanol, benzene-1,3-dimethanol and benzene-1,4-dimethanol; catechol, resorcinol, hydroquinone, 2,2-bis (4- Examples thereof include ethylene oxide or propylene oxide adducts such as hydroxyphenol and propane (bisphenol).
- the R is an aliphatic group. When it is a recall residue, R may have an ether bond (one O-one) and a z or ester bond (one cOo-) in the molecule.
- the aliphatic glycols include ethylene dalcol, propylene glycol, 1,3-propanediol, 1,2-butanediol, 1,4-butanediol, 1,5-pentanediol, 1,6-hexanediol.
- 1,8-octanediole, 1,9-nonane diols such as diol; jetylene glycol, triethylene glycol, polyethylene glycol, dipropylene glycol, tripropylene glycol, polypropylene Oxia / Lylene glycolols such as Darikonore; Lactones such as ⁇ -Iptylolactone, ⁇ -Ptylolactone, ⁇ -Parerolactone, and Oxyalkylene Daricols such as Ethylene Glycolol, Diethylene Glycol Nore, Triethylene Glycol Nole With ring-opening products Polyester diols, 2 that,
- 2-dimethyl-1,3-propanediol (Nenpentylglycol), 2,2-jetinoleol 1,3-propanediol, 2,2-dipropyl-1,3-propanediol, 2,2-di Sopropinole 1,3-propanediol, 2,2-dibutyl-1,3-propanediol, 2,2-diisobutyl 1,3-propanediol, 2-methinoyl 2-dodecyl 1,3 Propanedionol, 2-Butinole-1, 2-Ethyl-1, 3-Propanediol, 2-Propyl-1, 2-Pentyl 1,
- Examples thereof include hindered glycols such as 3-propanediol.
- Examples include hexane-1,3-diol, cis-hexane 1,3-dimethanol, cyclohensan-1,4-diol, hexane-1,4-dimethanol, 2,5-norbornanediol, etc. it can.
- aliphatic glycols and alicyclic glycols are preferred as the divalent anololecols, particularly ethylene glycol, diethylene glycol, propylene glycolanol, dipropylene glycolanol, 1,4 monobutanediol, 1,6-hexanediol, Neopentyl glycol, cyclohexane-1,2-dimeta Nord, hexane 1,3-dimethanol opicyclohexanedimethanol is preferred.
- n is an integer of 1 or more, and the weight average molecular weight of the compound represented by the general formula (I) is preferably 2 0 to 1 0, 0 0 0, more preferably 2 0 0 to 5 and 0 0 0.
- the plasticizer containing a polyester polyol for example, the dihydric alcohol is usually 1.2 mol or more, preferably 1.2 to 5 mol, more preferably 1 mol of the divalent carboxylic acid. Is used at a ratio of 1.5 to 5 mol, and can be produced by an esterification reaction at a temperature of usually about 100 to 30 ° C., preferably 15 to 30 ° C. This esterification reaction is preferably performed in the presence of an inert gas such as nitrogen gas. If necessary, a water-insoluble organic solvent azeotroped with water such as toluene or xylene may be used, or the reaction may be carried out under a suitable reduced pressure.
- an esterification catalyst is usually used.
- the ester catalyst include: Brenstead acid such as p-toluenesulfonic acid, sulfuric acid and phosphoric acid; Lewis acid such as boron trifluoride complex, titanium tetrachloride and tin tetrachloride; calcium acetate, zinc acetate and manganese acetate
- Organic metal compounds such as zinc stearate, alkyltinoxy, titanium alkoxide; metal oxides such as acid tin, antimony oxide, acid titanium, and acid vanadium From the standpoint of oxidation stability of the polyester polyol obtained, monoptyl stanoxide and tetra n-butyl orthotitanate are preferred.
- a method of reacting the acid anhydride of the divalent carboxylic acid with the divalent alcohol, a lower alkyl ester of the divalent carboxylic acid (the alkyl group has about 1 to 4 carbon atoms) and the above A transesterification method in which a dihydric alcohol is reacted, a method in which the dihydric carboxylic acid halide and the dihydric alcohol are reacted in the presence of a hydrogen halide scavenger, and the like can also be used.
- the reaction product thus obtained is usually a mixture of compounds having different n in general formula (I).
- the hydroxyl value of this reaction product is usually about 10 to 500 mg KOHZ g.
- the plasticizer used in the present invention a general formula obtained by reacting aromatic dicarponic acid with ethylene glycol, diethylene glycol or 1,4-butanediol in a molar ratio of about 1: 1.5 to 1: 5.
- a 1 is 1,2-phenylene group, 1,3-phenylene group, 1,4-diphenylene group, 2,3-naphthylene group, 1,4-naphthylene group, 2, 6-naphthylene group
- R 1 is one CH 2 CH 2 —, one CH 2 CH 2 OCH 2 CH 2 — or one CH 2 CH 2 CH 2 CH 2 —
- n is an integer of 1 or more.
- a 1 is preferably a 1,2_phenylene group, a 1,3-phenylene group, or a 1,4_phenylene group.
- Such a plasticizer containing a polyester polyol has a structure containing an ester bond and a hydroxyl group that is hydrophilic and excellent in surface activity, and therefore has good compatibility with a hydrophilic phenol resin solution. And evenly mixed. Further, it is estimated that by using the polyester polyol, it is possible to avoid the uneven distribution of bubbles, to uniformly distribute the bubbles throughout the foam, and to easily produce a phenol resin foam having a uniform quality.
- the polyester polyol imparts flexibility to the cell walls of the foam when added to a phenolic resin due to a molecular structure that imparts excellent surface activity and flexibility, and causes aging such as cracks in the cell walls. It is considered that the effect of suppressing the deterioration phenomenon is exhibited. As a result, long-term stability of thermal insulation performance is expected to be improved.
- the plasticizer is usually used in the range of 1 to 20 parts by mass with respect to 100 parts by mass of the aforementioned phenol resin.
- the amount of the plasticizer used is in the above range, the effect of imparting flexibility to the cell walls can be satisfactorily exhibited without impairing other performances of the obtained phenol resin foam.
- a preferable amount of the plasticizer is 0.5 to 15 parts by mass, and more preferably 1 to 12 parts by mass.
- the polyester polyol is used as a suitable component as a plasticizer, but other plasticizers such as triphenyl phosphate, dimethyl terephthalate, and dimethyl isophthalate may be used as necessary. It can be used in combination with the polyester polyol.
- the inorganic filler used as desired can provide a phenol resin foam having low thermal conductivity and acidity and improved fire resistance.
- the amount of the inorganic filler to be used is usually 0.1 to 30 parts by mass, preferably 1 to 10 parts by mass with respect to 100 parts by mass of the liquid resol type phenol resin.
- the inorganic filler include metal hydroxides and oxides such as aluminum hydroxide, magnesium hydroxide, calcium oxide, magnesium oxide, aluminum oxide, and zinc oxide, metal powders such as zinc, magnesium, and aluminum, Metal carbonates such as calcium carbonate, magnesium carbonate, barium carbonate, and zinc carbonate can be contained.
- One of these inorganic fillers may be used alone, or two or more thereof may be used in combination. Among these inorganic fillers, hydroxyaluminum and Z or carbonated lucium are preferred.
- the foamable resol type phenolic resin resin molding material of the present invention is, for example, the above-mentioned liquid resol type phenolic resin, the above nitrogen-containing cross-linked cyclic compound, foam stabilizer, and further necessary.
- an inorganic filler and a plasticizer are added and mixed. After adding the foaming agent and acid curing agent containing the chlorinated aliphatic hydrocarbon compound to the mixture, the mixture is supplied to the mixer and stirred. Can be prepared.
- the phenol resin foam of the present invention is obtained by foam-curing the foamable resol-type phenol resin molding material of the present invention prepared as described above, and a method for forming the phenol resin foam For example, (1) a molding method of flowing out on an endless conveyor, (2) a method of partially flowing out and partially foaming,
- the foamable resorenol-type phenol resin molding material is discharged onto a carrier that continuously moves, and the discharged material is foamed and molded through a heating zone to obtain a desired phenol resin.
- a foam is produced. Specifically, the foamable resol-type phenol resin molding material is discharged onto the face material on the conveyor belt. Next, a face material is placed on the upper surface of the molding material on the conveyor belt, and then entered into a curing furnace.
- the face material is not particularly limited and is generally natural fiber, synthetic fiber such as polyester fiber or polyethylene fiber, non-woven fabric such as inorganic fiber such as glass fiber, paper, aluminum foil-clad nonwoven fabric, metal plate, metal Foil etc.
- glass fiber nonwoven fabric spunbond nonwoven fabric, aluminum foil-clad nonwoven fabric, metal plate, metal foil, At least one selected from a plywood board, a calcium silicate board, a gypsum board and a wood cement board is preferable.
- This face material may be provided on one side of the phenolic resin foam or on both sides. Moreover, when providing in both surfaces, the face material may be the same and may differ. Further, it may be provided later by using an adhesive.
- the phenol resin foam of the present invention preferably has a thermal conductivity of 0.022 2 W / m ⁇ K or less. If this thermal conductivity exceeds 0.02 2 W "m ⁇ K, the thermal insulation performance of the phenolic resin foam becomes insufficient. Also, the permeability per 25 mm thick Humidity coefficient, usually 60 n gZ (m 2 's ' P a) or less, preferably 55 ng Z (m 2. S ⁇ P a) below.
- the brittleness is preferably 20% or less, and preferably 10 to 18%.
- the pH is preferably 4.0 or more, and more preferably in the range of 5.0 to 8.0.
- the pores are substantially free of pores, the closed cell ratio is usually 85% or more, preferably 90% or more, and the oxygen index is preferably 29 or more, more preferably 30 or more.
- the physical properties of the phenolic resin foam obtained in each example were measured according to the following methods.
- the maximum temperature that can be generated in a building is 70 ° C
- the thermal conductivity after standing in a 70 ° C atmosphere of a phenolic resin foam sample for 25 weeks Measured as an estimated value.
- I SO 1663 1999 Measured in accordance with the method for obtaining zk vapor permeability of rigid foamed plastics.
- Example 1 a phenol resin foam was prepared in the same manner as in Example 1 except that 2 parts by mass of calcium carbonate was added as an inorganic filler and the curing agent was changed to 18 parts by mass. Tables 1 and 2 show the physical properties of this foam.
- Example 3 A phenol resin foam was produced in the same manner as in Example 2 except that the amount of hexamethylenetetramine in Example 2 was changed to 7 parts by mass. Tables 1 and 2 show the physical properties of this foam.
- the physical properties of this foam are shown in Tables 1 and 2.
- Table 1 and Table 2 show the physical properties of this foam.
- a phenol resin foam was prepared in the same manner as in Example 1 except that hexamethylenetetramine in Example 1 was not added. Table 1 and Table 2 show the physical properties of this foam.
- the phenolic resin foam of the present invention uses a flame retardant 'fireproofing property' by using a chlorinated aliphatic hydrocarbon compound having 2 to 5 carbon atoms as a blowing agent and using a nitrogen-containing crosslinked cyclic compound. In addition to maintaining excellent thermal insulation performance, mechanical strength and brittleness are improved, pH is high, and corrosion resistance is imparted.
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Polymers & Plastics (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Organic Chemistry (AREA)
- Materials Engineering (AREA)
- Structural Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- Wood Science & Technology (AREA)
- Manufacture Of Porous Articles, And Recovery And Treatment Of Waste Products (AREA)
- Compositions Of Macromolecular Compounds (AREA)
- Molding Of Porous Articles (AREA)
- Casting Or Compression Moulding Of Plastics Or The Like (AREA)
Abstract
Description
Claims
Priority Applications (6)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
NZ566507A NZ566507A (en) | 2005-09-08 | 2006-09-05 | Expandable resol type phenolic resin molding material and phenolic resin foam |
US11/991,537 US20090270005A1 (en) | 2005-09-08 | 2006-09-05 | Expandable Resol Type Phenolic Resin Molding Material and Phenolic Resin Foam |
AU2006288161A AU2006288161B2 (en) | 2005-09-08 | 2006-09-05 | Expandable resol type phenolic resin molding material and phenolic resin foam |
CN2006800328043A CN101258191B (zh) | 2005-09-08 | 2006-09-05 | 发泡性甲阶酚醛树脂型酚醛树脂成型材料及酚醛树脂发泡体 |
KR1020087005394A KR101301860B1 (ko) | 2005-09-08 | 2006-09-05 | 발포성 레졸형 페놀 수지 성형 재료 및 페놀 수지 발포체 |
EP06797775A EP1923422A4 (en) | 2005-09-08 | 2006-09-05 | EXPANSIBLE RESOLVED RESIN-TYPE PHENOLIC RESIN MOLDING MATERIAL AND PHENOLIC RESIN FOAM |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
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JP2005-260269 | 2005-09-08 | ||
JP2005260269A JP3932293B2 (ja) | 2005-09-08 | 2005-09-08 | 発泡性レゾール型フェノール樹脂成形材料およびフェノール樹脂発泡体 |
Publications (1)
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WO2007029855A1 true WO2007029855A1 (ja) | 2007-03-15 |
Family
ID=37835965
Family Applications (1)
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PCT/JP2006/317949 WO2007029855A1 (ja) | 2005-09-08 | 2006-09-05 | 発泡性レゾール型フェノール樹脂成形材料およびフェノール樹脂発泡体 |
Country Status (8)
Country | Link |
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US (1) | US20090270005A1 (ja) |
EP (1) | EP1923422A4 (ja) |
JP (1) | JP3932293B2 (ja) |
KR (1) | KR101301860B1 (ja) |
CN (1) | CN101258191B (ja) |
AU (1) | AU2006288161B2 (ja) |
NZ (1) | NZ566507A (ja) |
WO (1) | WO2007029855A1 (ja) |
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US8153618B2 (en) | 2007-08-10 | 2012-04-10 | Allaccem, Inc. | Bridged polycyclic compound based compositions for topical applications for pets |
US8188068B2 (en) | 2007-08-10 | 2012-05-29 | Allaccem, Inc. | Bridged polycyclic compound based compositions for coating oral surfaces in pets |
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Also Published As
Publication number | Publication date |
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AU2006288161B2 (en) | 2012-09-13 |
JP2007070507A (ja) | 2007-03-22 |
EP1923422A1 (en) | 2008-05-21 |
EP1923422A4 (en) | 2011-04-27 |
US20090270005A1 (en) | 2009-10-29 |
CN101258191B (zh) | 2012-05-30 |
NZ566507A (en) | 2011-03-31 |
AU2006288161A1 (en) | 2007-03-15 |
JP3932293B2 (ja) | 2007-06-20 |
KR101301860B1 (ko) | 2013-08-29 |
CN101258191A (zh) | 2008-09-03 |
KR20080053285A (ko) | 2008-06-12 |
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