WO2011114966A1 - Plate-like cured product - Google Patents
Plate-like cured product Download PDFInfo
- Publication number
- WO2011114966A1 WO2011114966A1 PCT/JP2011/055536 JP2011055536W WO2011114966A1 WO 2011114966 A1 WO2011114966 A1 WO 2011114966A1 JP 2011055536 W JP2011055536 W JP 2011055536W WO 2011114966 A1 WO2011114966 A1 WO 2011114966A1
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- WO
- WIPO (PCT)
- Prior art keywords
- plate
- synthetic resin
- cured body
- resin
- component
- Prior art date
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Classifications
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- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B26/00—Compositions of mortars, concrete or artificial stone, containing only organic binders, e.g. polymer or resin concrete
- C04B26/02—Macromolecular compounds
- C04B26/04—Macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds
- C04B26/06—Acrylates
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- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B26/00—Compositions of mortars, concrete or artificial stone, containing only organic binders, e.g. polymer or resin concrete
- C04B26/30—Compounds having one or more carbon-to-metal or carbon-to-silicon linkages ; Other silicon-containing organic compounds; Boron-organic compounds
- C04B26/32—Compounds having one or more carbon-to-metal or carbon-to-silicon linkages ; Other silicon-containing organic compounds; Boron-organic compounds containing silicon
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- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B14/00—Use of inorganic materials as fillers, e.g. pigments, for mortars, concrete or artificial stone; Treatment of inorganic materials specially adapted to enhance their filling properties in mortars, concrete or artificial stone
- C04B14/02—Granular materials, e.g. microballoons
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- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B26/00—Compositions of mortars, concrete or artificial stone, containing only organic binders, e.g. polymer or resin concrete
- C04B26/02—Macromolecular compounds
- C04B26/04—Macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds
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- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B2111/00—Mortars, concrete or artificial stone or mixtures to prepare them, characterised by specific function, property or use
- C04B2111/20—Resistance against chemical, physical or biological attack
- C04B2111/28—Fire resistance, i.e. materials resistant to accidental fires or high temperatures
Definitions
- the present invention relates to a novel plate-like cured body that can be used for building materials and the like.
- Patent Document 1 a reinforcing material is laminated with a binder such as an acrylic resin emulsion and a spray material in which natural aggregate or artificial aggregate is blended, and a transparent sheet is formed on the surface via an adhesive.
- a binder such as an acrylic resin emulsion and a spray material in which natural aggregate or artificial aggregate is blended
- Patent Document 2 describes a building material having fireproof performance containing a hygroscopic material and a hydraulic substance.
- the decorative material as described in Patent Document 1 contains a large amount of organic resin components such as a synthetic resin, a synthetic fiber fabric, an adhesive, and a transparent sheet. Moreover, since a transparent sheet is provided on the surface, the air permeability may be inferior. On the other hand, when a hydraulic substance is employed as a binder as in Patent Document 2, excellent fireproof performance can be exhibited, but design properties may be inferior.
- the present invention has been made in view of these points, and an object of the present invention is to obtain a plate-like cured body having excellent design properties and excellent performances such as fire resistance and breathability.
- the present inventor has identified a dispersion peak of loss tangent tan ⁇ measured using a dynamic viscoelasticity measuring device with synthetic resin and powder as constituent components.
- the present inventors completed the present invention by conceiving a plate-like cured body having a range.
- the plate-shaped cured body of the present invention has the following characteristics. 1.
- a plate-like cured body containing a synthetic resin and powder wherein the plate-like cured body contains 200 to 4000 parts by weight of powder and granules with respect to 100 parts by weight of the synthetic resin as a solid content weight ratio.
- the plate-like cured product has a dispersion peak of loss tangent tan ⁇ measured using a dynamic viscoelasticity measuring device at least from ⁇ 20 ° C. to 80 ° C. (T 1 ) and from ⁇ 150 ° C. to ⁇ 100 ° C. (T 2 ).
- the above synthetic resin has a loss tangent tan ⁇ dispersion peak measured using a dynamic viscoelasticity measuring device at a temperature of at least ⁇ 20 ° C. to 80 ° C. (T 1 ) and ⁇ 150 ° C. to ⁇ 100 ° C. (T 2 ). 1. It has what is in the range. 2.
- the synthetic resin contains an acrylic resin and a silicone resin in a solid content weight ratio of 95: 5 to 30:70. ⁇ 2.
- the plate-shaped hardening body in any one of. 4).
- the synthetic resin is a graft polymer of acrylic resin and silicone resin. ⁇ 3.
- the plate-shaped hardening body in any one of.
- the granular material includes colored aggregates and hygroscopic powder. ⁇ 4. The plate-shaped hardening body in any one of. 6). The powdery particle further contains a photocatalytic metal oxide. ⁇ 5. The plate-shaped hardening body in any one of. 7). 1. The above-mentioned granular material further contains a chemical substance adsorbent. ⁇ 6. The plate-shaped hardening body in any one of. 8.1. ⁇ 7. A plate-like cured body, wherein a moisture-permeable overcoat layer is laminated on the cured body according to any one of the above. 9.
- a synthetic resin and a method for producing a plate-like cured product containing a powder wherein the synthetic resin has a dispersion peak of loss tangent tan ⁇ measured using a dynamic viscoelasticity measuring device at least from ⁇ 20 ° C. to 80 ° C. (T 1 ) and ⁇ 150 ° C. to ⁇ 100 ° C. (T 2 ), each having a solid content weight ratio of 200 to 4000 parts by weight with respect to 100 parts by weight of the synthetic resin.
- mixing a first step of forming a second step the manufacturing method of the plate-like cured product which comprises a curing at a temperature greater than the dispersion peak temperature (T 1) of the synthetic resin.
- the present invention relates to a synthetic resin and a plate-shaped cured body comprising 200 to 4000 parts by weight of a powder and 100 parts by weight of a synthetic resin as a constituent component of the powder and a solid content by weight ratio,
- the plate-like cured product has excellent dispersion peaks of loss tangent tan ⁇ measured using a dynamic viscoelasticity measuring device at least in the respective temperature ranges of ⁇ 20 ° C. to 80 ° C. and ⁇ 150 ° C. to ⁇ 100 ° C. Designability, fireproofing, air permeability, etc. can be exhibited.
- the plate-like cured product of the present invention comprises (A) a synthetic resin and (B) a granular material in a specific ratio, and is also referred to as a dynamic mechanical spectrometer (hereinafter referred to as “DMS”). ) Of the loss tangent tan ⁇ (tan ⁇ curve) measured using) (hereinafter also referred to as “dispersion peak”) of at least ⁇ 20 ° C. to 80 ° C. (T 1 ) and ⁇ 150 ° C. to ⁇ 100 ° C. (T 2 ). It has in each temperature range.
- DMS dynamic mechanical spectrometer
- the DMS measurement is performed using a plate-like cured body having a length of 40 mm, a width of 10 mm, and a thickness of 2 mm as a sample, and using a dynamic viscoelasticity measuring apparatus (DMS6100 manufactured by Seiko Instruments Inc.). Measurement temperature range: ⁇ 150 ° C. It is performed under the conditions of ⁇ 80 ° C., heating rate: 4 ° C./min, and measurement frequency: 1 Hz.
- DMS6100 dynamic viscoelasticity measuring apparatus
- component (A) Synthetic Resin
- the synthetic resin of the present invention (hereinafter also referred to as “component (A)”) is not particularly limited.
- acrylic resin, silicone resin, acrylic silicone resin, fluororesin, vinyl acetate resin, acrylic Vinyl acetate resin, vinyl chloride resin, urethane resin, acrylic / urethane resin, epoxy resin, alkyd resin, polyvinyl alcohol resin, polyester resin, ethylene resin, polyvinyl alcohol, cellulose and its water-dispersed type, water-soluble type, NAD type, solvent-soluble type, solventless type and the like can be mentioned, and one-component type, two-component type and the like are not particularly limited and can be used.
- the dispersion peak of loss tangent tan ⁇ measured using DMS as component (A) is at least ⁇ 20 ° C. to 80 ° C. (T 1 ) and ⁇ 150 ° C. to ⁇ 100 ° C. (T 2 ). It is preferable to use what has. By including such component (A), excellent air permeability can be exhibited. Also, unless impair the effects of the present invention may have other dispersion peak in the temperature range other than the T 1 and the T 2.
- Such a component (A) is not particularly limited.
- DMS measurement of the above synthetic resin is a dynamic viscoelasticity measuring device (manufactured by Seiko Instruments Inc.) using a sample of (A) component formed into a dry film thickness of 0.1 mm (length 40 mm ⁇ width 10 mm).
- DMS6100 is used under the conditions of a measurement temperature range: ⁇ 150 ° C. to 80 ° C., a heating rate: 4 ° C./min, and a measurement frequency: 1 Hz.
- an acrylic resin having a dispersion peak in the above temperature range T 1 (a1) (hereinafter, also referred to as “component (a1)”.
- component (a1) an acrylic resin having a dispersion peak in the above temperature range T 1 (a1)
- component (a2) an acrylic resin having a dispersion peak in the above temperature range T 2
- component (a2) an acrylic resin having a dispersion peak in the above temperature range T 1 (a1)
- component (a2) a dispersion peak in the above temperature range T 2
- the solid content weight ratio of the acrylic resin and the silicone resin in the component (A) is usually 95: 5 to 30:70, preferably 90:10 to 40:60, and more preferably 85:15 to 60:40.
- the acrylic resin (a1) is a polymer mainly composed of (meth) acrylic acid ester, and is obtained by copolymerizing other monomers as required.
- (meth) acrylic acid alkyl esters include methyl (meth) acrylate, ethyl (meth) acrylate, isopropyl (meth) acrylate, n-butyl (meth) acrylate, isobutyl (meth) acrylate, and t-butyl (meth) acrylate.
- N-amyl (meth) acrylate N-amyl (meth) acrylate, isoamyl (meth) acrylate, n-hexyl (meth) acrylate, 2-ethylhexyl (meth) acrylate, octyl (meth) acrylate, decyl (meth) acrylate, dodecyl (meth) acrylate, octadecyl (Meth) acrylate, cyclohexyl (meth) acrylate, phenyl (meth) acrylate, benzyl (meth) acrylate and the like.
- the amount of such (meth) acrylic acid alkyl ester is usually 30% by weight or more, preferably 40 to 99.9% by weight, more preferably 50 to 99.%, based on all monomers constituting component (A). 5% by weight.
- the (meth) acrylic acid ester a (meth) acrylic acid ester having an alkyl group having 6 or more carbon atoms is preferably included as an essential component.
- 2-ethylhexyl acrylate is particularly preferable.
- the (meth) acrylic acid ester having 6 or more carbon atoms in the alkyl group is 10% by weight or more, preferably 15% by weight or more and 50% by weight, based on all monomers constituting the component (A). It is preferable to include the following. In this case, fire resistance of the obtained plate-like cured body can be enhanced.
- Examples of other monomers include carboxyl group-containing monomers, amino group-containing monomers, pyridine monomers, hydroxyl group-containing monomers, nitrile group-containing monomers, amide group-containing monomers, epoxy group-containing monomers, carbonyl group-containing monomers, and alkoxysilyl group-containing monomers. And aromatic monomers.
- the amount of these monomers to be used is usually 0.1 to 60% by weight, preferably 0.5 to 50% by weight, based on all monomers constituting the component (A).
- a carboxyl group-containing monomer when a carboxyl group-containing monomer is copolymerized to obtain a carboxyl group-containing acrylic resin, various physical properties of the plate-like cured body can be improved by separately adding a compound capable of reacting with the carboxyl group.
- the carboxyl group-containing monomer include acrylic acid, methacrylic acid, crotonic acid, maleic acid or a monoalkyl ester thereof, itaconic acid or a monoalkyl ester thereof, fumaric acid or a monoalkyl ester thereof.
- at least one selected from acrylic acid and methacrylic acid is particularly preferable.
- the amount of the carboxyl group-containing monomer is usually 0.1 to 40% by weight, preferably 0.5 to 20% by weight, based on all monomers constituting the component (A).
- Examples of the compound capable of reacting with a carboxyl group include compounds having one or more functional groups selected from a carbodiimide group, an epoxy group, an aziridine group, an oxazoline group, and the like.
- the silicone resin (a2) is obtained by polymerizing a siloxane compound.
- the siloxane compound include cyclic siloxane compounds such as hexamethylcyclotrisiloxane, octamethylcyclotetrasiloxane, and decamethylcyclopentasiloxane.
- a linear siloxane compound, a branched siloxane compound, an alkoxysilane compound, or the like can also be used.
- the alkoxysilane compound a silane compound having one or more alkoxyl groups in the molecule can be used.
- tetramethoxysilane, methyltrimethoxysilane, dimethyldimethoxysilane, vinylmethyldimethoxysilane, ⁇ - Silane coupling agents such as (meth) acryloyloxytrimethoxysilane and 3-mercaptopropyltrimethoxysilane can be used.
- the average molecular weight of the silicone resin is usually 10,000 or more, preferably 50,000 or more.
- a graft polymer of the acrylic resin (a1) and the silicone resin (a2) is preferable.
- a graft polymer By being a graft polymer, it is possible to improve the fire resistance and flexibility by making use of the texture of the granular material described later.
- advantageous effects can be obtained in each physical property such as water resistance, weather resistance, and contamination resistance.
- the hygroscopic powder is included as the granular material, the performance can be sufficiently exhibited.
- the component (a2) is moderately easy to move in a normal environment where a plate-like cured body is used, so that other physical properties can be improved while exhibiting excellent air permeability. it is conceivable that.
- Such a graft polymer can be obtained, for example, by copolymerizing the siloxane compound, the (meth) acrylic acid ester, and a graft crossing agent.
- the graft crossing agent include polyfunctional alkoxysilanes containing a vinyl polymerizable functional group and / or a mercapto group.
- a synthetic resin emulsion water-dispersed resin
- Breathability can be enhanced by using such a synthetic resin emulsion.
- the component (A) for example, an acrylic resin emulsion having a dispersion peak in the above temperature range T 1, and a mixture of silicone resin emulsion having a dispersion peak in the above temperature range T 2 can be used.
- an acrylic-silicone synthetic resin emulsion (A-1) (hereinafter also referred to as “component (A-1)”) in which the components (a1) and (a2) are mixed in the emulsion particles. it can.
- the form of the component (a1) and the component (a2) in the component (A-1) is not particularly limited and may be a uniformly mixed form, but a form separated from each other by a sea-island structure or the like is preferable.
- the component (A) in the present invention is preferably a synthetic resin emulsion (A-2) in which the graft polymer of the acrylic resin (a1) and the silicone resin (a2) is present in the emulsion particles.
- the component (A-2) can be obtained, for example, by emulsion polymerization of the siloxane compound, the (meth) acrylic acid ester, and the graft crossing agent in the presence of an emulsifier.
- the component (A) of the present invention preferably forms a film having a reflection region having a reflectance of 10% or more, preferably 15% or more at a wavelength of 300 to 500 nm.
- the photocatalytic activity can be improved.
- the action mechanism is not clear, but the light irradiated to the plate-shaped cured body of the present invention is diffused / reflected in the plate-shaped cured body and absorbed by the photocatalytic metal oxide described later dispersed in the plate-shaped cured body. This is thought to be easier.
- the reflectance is obtained by using a sample obtained by forming the component (A) into a dry film thickness of 0.1 mm, a black plate is placed behind the sample, and a spectrophotometer (manufactured by Shimadzu Corporation, UV-3100). ). In addition, let the black board piled up behind the sample be a blank, and let it be the converted value. Specifically, it is obtained by subtracting the reflectance of the black plate from the reflectance of the sample at each wavelength.
- (B) Granules In the present invention, (B) 200 to 4000 parts by weight, preferably 300 to 3500 parts by weight, more preferably 500 to 3000 parts by weight are included with respect to 100 parts by weight of component (A) described above. It is a waste. It is preferable that at least (b1) colored aggregates and (b2) moisture-absorbing / releasing powders are included as the above-mentioned granular material.
- the colored aggregate (hereinafter also referred to as “component (b1)”) can give a fine unevenness to the surface of the plate-like cured body, and can express a three-dimensional design having a shading feeling. Further, unlike the case of using a coloring pigment having a small particle diameter, etc., it is possible to change the color tone, texture, etc. by mixing colored particles, and the small point of the component (b1) present on the plate-like cured body surface is It is visually recognized as a colorful pattern and has excellent decorativeness.
- the component (b1) suitable for the present invention is not particularly limited, and any of natural products and artificial products can be used.
- pulverized materials such as stone, feldspar, silica stone, and silica sand, ceramic pulverized materials, ceramic pulverized materials, glass beads, glass pulverized materials, resin beads, resin pulverized materials, and metal particles. Colored ones can also be used.
- the average particle size of the component is desirably 0.01 to 5 mm. When it is such a range, while being able to express the outstanding design, a plate-shaped hardening body can be manufactured stably.
- the average particle size of the component (b1) is a value obtained by performing sieving using a metal mesh sieve specified in JIS Z8801-1: 2000 and calculating the average value of the weight distribution.
- the blending amount of the component (b1) is preferably 200 to 3400 parts by weight, more preferably 300 to 2000 parts by weight, and further preferably 500 to 1500 parts by weight with respect to 100 parts by weight of the solid content of the component (A).
- Hygroscopic powder (hereinafter referred to as “component (b2)”) includes, for example, boehmite, silica gel, zeolite, sodium sulfate, alumina, allophane, diatomaceous earth, siliceous shale, sepiolite, attapulgite, montmorillonite, zonorite, Imogolite, Otani stone powder, activated clay, charcoal, bamboo charcoal, activated carbon, wood powder, shell powder, porous synthetic resin particles, etc. can be used.
- component (b2) includes, for example, boehmite, silica gel, zeolite, sodium sulfate, alumina, allophane, diatomaceous earth, siliceous shale, sepiolite, attapulgite, montmorillonite, zonorite, Imogolite, Otani stone powder, activated clay, charcoal, bamboo charcoal, activated carbon, wood powder, shell powder, porous synthetic resin particles,
- the average particle diameter of the hygroscopic powder is usually 0.001 to 1 mm, preferably 0.01 to 0.5 mm, more preferably 0.01 to 0.1 mm, and still more preferably 0.01 to 0.09 mm. It is.
- the average particle diameter of (b2) component is a value of the 50% particle diameter measured by the centrifugal sedimentation type particle size distribution measuring apparatus.
- Such a component (b2) has a moisture absorption rate of 10% or higher, preferably 20% or higher, at a temperature of 20 ° C. and a relative humidity of 90%.
- a moisture absorption rate of 10% or higher, preferably 20% or higher, at a temperature of 20 ° C. and a relative humidity of 90%.
- the component ratio of component (b2) is preferably 1 to 600 parts by weight, more preferably 5 to 500 parts by weight, and still more preferably 10 to 300 parts by weight with respect to 100 parts by weight (solid content) of component (A). It is preferable. In the case of such a range, sufficient humidity control can be exhibited, and excellent strength and flexibility can be provided.
- (B3) a photocatalytic metal oxide (hereinafter referred to as “(b3) component”) is included as the (B) granular material.
- a photocatalytic substance is an effective component for preventing decomposition and re-release of harmful gases. Furthermore, it also has the capability of decomposing contaminants (such as tobacco dust) adhering to the plate-like cured body.
- the component (b3) in the reflective region (hereinafter also simply referred to as “reflective region”) in which the reflectance of the coating formed by the component (A) out of the wavelength of 300 to 500 nm is 10% or more. What shows a photocatalytic action is preferable.
- the photocatalytic activity can be efficiently exhibited.
- the photocatalytic action of the present invention means that when the catalyst is exposed to light (ultraviolet rays and / or visible light), the catalyst absorbs and excites light, and the resulting excited electrons and holes are oxidized and reduced. Acid radicals and active oxygen are generated, and the hydroxyl radicals and active oxygen have an action of decomposing organic substances.
- the component (b3) examples include metal oxides such as titanium oxide, tin oxide, zinc oxide, ferric oxide, dibismuth trioxide, and tungsten trioxide, or composite oxides thereof. 1 type (s) or 2 or more types can be used.
- the average particle size of the component (b3) is 0.3 ⁇ m or less, preferably 0.1 ⁇ m or more and 0.25 ⁇ m or less. When the photocatalytic metal oxide in the above range is used, it has an excellent photocatalytic action and can further utilize the texture of the aggregate of the plate-like cured body.
- the average particle size referred to here is obtained from measurement by centrifugal sedimentation or the like.
- titanium oxide may be either anatase-type titanium oxide or rutile-type titanium oxide. In the present invention, it is particularly preferable to use anatase-type titanium oxide.
- titanium oxide is used as the component (b3), the photocatalytic action is excellent, the total calorific value at the time of fire can be suppressed, and fire resistance can be improved. The action mechanism is presumed to be because titanium oxide can block radiant heat and suppress the temperature rise of the plate-like cured body. Furthermore, fireproofness improves more by using anatase type titanium oxide.
- the mechanism of action is not clear, but it is considered that the catalytic action of anatase-type titanium oxide by heating is involved. Further, the amount of exhaust gas can be reduced by the decomposition action of anatase type titanium oxide. Furthermore, the anatase-type titanium oxide has a lower effect of concealing the coating film than the rutile-type titanium oxide, so that the texture of the aggregate can be further utilized.
- the amount of component (b3) is preferably 0.05 to 30 parts by weight, more preferably 0.1 to 25 parts by weight, still more preferably 0.5 to 100 parts by weight based on 100 parts by weight of the solid content of component (A). 20 parts by weight. In such a range, excellent photocatalytic action and fire resistance can be exhibited.
- (B4) a chemical substance adsorbent is included as (B) the granular material.
- a chemical substance adsorbent is included as (B) the granular material.
- harmful gases for example, formaldehyde, ammonia, hydrogen sulfide, methyl mercaptan, trimethylamine, etc.
- the component (b4) include amine compounds, urea compounds, amide compounds, imide compounds, hydrazide compounds, azole compounds, azine compounds, layered phosphate compounds, and aluminosilicates.
- At least one selected from a layered phosphate compound and an aluminosilicate is preferable, and an aluminosilicate is particularly preferable.
- the average particle size of such a chemical substance adsorbent is usually about 0.5 to 100 ⁇ m (preferably 1 to 50 ⁇ m).
- Examples of the layered phosphate compound include layered zirconium phosphate, layered zinc phosphate, layered titanium phosphate, layered aluminum phosphate, layered magnesium phosphate, layered cerium phosphate, and the like.
- An amine compound is included in these layered phosphate compounds. Intercalated ones are preferred.
- Examples of the amine compound include methylamine, ethylamine, aniline, ethylenediamine, diethylenetriamine, triethylenetetramine, tetraethylenepentamine, pentaethylenehexamine, propylenediamine, dipropylenetriamine, and tripropylenetetramine.
- aluminosilicate examples include a composite oxide of at least one metal selected from zinc, copper, silver, cobalt, nickel, iron, titanium, barium, tin, and zirconium, and aluminum and silicon.
- the amount of component (b4) is preferably 0.1 to 100 parts by weight, more preferably 0.5 to 50 parts by weight, still more preferably 1 to 25 parts by weight based on 100 parts by weight of the solid content of component (A). Part. In such a range, it is effective for adsorption of toxic gas.
- the component (b3) and the component (b4) are particularly preferable to use.
- practical performance can be obtained in the adsorption / decomposition / re-release prevention of harmful gas, and a harmful gas filter effect can be imparted to the plate-like cured body.
- aggregate (C) (hereinafter referred to as “component (C)”) having an average particle diameter of more than 5 mm can be mixed or dispersed.
- component (C) suitable for the present invention includes, for example, pulverized materials such as natural stone, silica stone, and silica sand, ceramic pulverized materials, ceramic pulverized materials, mica, shells, glass pulverized materials, glass beads, resin pulverized materials, and resin beads. , Rubbers, plastics, plant fibers, plants such as plant pieces, metals such as alumina flakes, and those whose surfaces are colored and coated.
- additives include thickeners, film-forming aids, leveling agents, wetting agents, plasticizers, antifreezing agents, pH adjusting agents, antiseptics, antifungal agents, algaeproofing agents, antibacterial agents, Examples include deodorants, dispersants, antifoaming agents, adsorbents, flame retardants, color pigments, extender pigments, fibers, water repellents, crosslinking agents, ultraviolet absorbers, antioxidants, and catalysts.
- the plate-shaped cured product of the present invention can be laminated on a substrate.
- the base material include gypsum board, plywood, concrete, mortar, tile, fiber-mixed cement board, cement calcium silicate board, slag cement pearlite board, resin board or sheet (film), woven fabric, nonwoven fabric, paper, etc.
- the thickness is 0.05 to 1.5 mm (preferably 0.1 to 1 mm, more preferably 0.25 to 0.5 mm)
- the basis weight is 5 to 300 g / m 2 , (preferably 10 to 10 mm).
- a woven or non-woven fabric containing 200 g / m 2 , more preferably 20 to 100 g / m 2 ) inorganic fibers is preferred.
- Examples thereof include woven fabrics and nonwoven fabrics made of inorganic fibers such as mineral fibers and glass fibers.
- inorganic fibers such as mineral fibers and glass fibers.
- those having flexibility are preferred, and nonwoven fabrics having a structure in which fibers are superposed on a three-dimensional structure are preferred.
- a base material in which a glass mesh, a glass cloth, or the like is laminated on a woven or non-woven fabric can be used.
- the contact interface with the plate-like cured body is increased, and thus the adhesiveness is excellent.
- a base material contains inorganic fiber, a plate-shaped hardening body can be supported stably. For this reason, the prevention of curling and warping of the plate-like cured body at the time of fire and the prevention of falling off are improved, and the fire resistance and flame resistance are excellent.
- by laminating the base material and the specific plate-like cured body it is possible to easily cut into an arbitrary shape at the time of construction, and it is possible to appropriately perform the edge processing of the cut surface.
- the manufacturing method of the plate-shaped hardening body of this invention is not specifically limited, For example, it can manufacture with the manufacturing method including the following processes. According to this method, the target plate-like cured product can be stably produced, and it is also preferable from the standpoint of effect expression.
- a cured product composition (hereinafter also referred to as “cured product composition”) in which 200 to 4000 parts by weight of (B) granular material is mixed with 100 parts by weight of (A) synthetic resin in a weight ratio of solids.
- T 3 the temperature higher than the dispersion peak temperature of the component (A).
- the component (A) has at least ⁇ 20 ° C. to 80 ° C. (T 1 ) and ⁇ 150 ° C. to ⁇ 100 ° C. (T 2 ) dispersion peaks of loss tangent tan ⁇ measured using a dynamic viscoelasticity measuring device. ) In each temperature range.)
- the effect of the plate-like cured product of the present invention it is likely to be expressed.
- This mechanism of action is not clear, but when cured at the above temperature (T 3 ), the resin component having a dispersion peak in the temperature range (T 2 ) is easily oriented on the surface of the plate-shaped cured body. As a result, it is considered that an effect excellent in fire resistance, contamination resistance and the like can be exhibited.
- the method for molding the plate-shaped cured body is not particularly limited, and for example, it may be molded using a mold having releasability. Moreover, what is necessary is just to laminate
- the viscosity of the composition for cured bodies is set to about 5 to 100 Pa ⁇ s, the intended laminate can be easily obtained.
- the viscosity said here is a viscosity in 20 rpm by a BH type viscometer, and measurement temperature is 23 degreeC.
- a mold made of silicon resin, urethane resin, metal, or the like, or a mold provided with release paper can be used.
- a method of laminating the base material for example, (I) A method of pouring a composition for a cured body into a mold, drying and demolding to form a plate-shaped cured body, and then laminating a substrate with an adhesive or the like, (II) A method of pouring a composition for a cured body into a mold, laminating a substrate before the composition for a plate-shaped cured body is dried, drying, demolding, and the like.
- stacking method in said (1) is employable.
- the thickness of the plate-like cured body is preferably 1.0 mm or more and 5.0 mm or less. In such a case, it is possible to form a concavo-convex pattern that is excellent in fire resistance and deeply carved, so that it is possible to obtain excellent design with shadow and profound feeling.
- the thickness of a plate-shaped hardening body excludes a base-material part.
- a reinforcing material (ceramic paper, synthetic paper, glass cloth, mesh, etc.) is laminated, a concavo-convex pattern is formed for the purpose of improving decorativeness, etc. Can also be sprayed.
- the decorative material include colored aggregates, mica, shells, plants, alumina flakes, glass flakes, metals, rubbers, plastics, and the like.
- an overcoat layer can also be laminated for the purpose of enhancing the surface protection of the plate-like cured product within a range that does not significantly impair the effects of the present invention.
- the top coat layer only needs to have moisture permeability and transparency (clear layer).
- the design property (hue) of the plate-like cured body can be utilized as it is, and further, air permeability, fire resistance, etc.
- the overcoat layer may be a color clear layer to which various pigments are added within a range having transparency.
- Such an overcoat layer can be formed by applying a known water-based or solvent-type paint.
- an emulsion paint containing colloidal silica is preferred. In this case, surface strength, contamination resistance, etc. can be improved. Furthermore, the inclusion of colloidal silica is effective in improving fire resistance as compared with a known top coating.
- the emulsion containing colloidal silica examples include a mixture of a synthetic resin emulsion and colloidal silica, a colloidal silica composite emulsion in which a synthetic resin emulsion and colloidal silica are chemically bonded, and the like in the present invention. It is preferable to use it. It does not specifically limit as said synthetic resin emulsion, If it does not impair the effect of this invention, it can use suitably.
- the synthetic resin component and the colloidal silica in the emulsion containing colloidal silica are preferably 95: 5 to 40:60 in terms of solid content weight ratio.
- the particle size of colloidal silica is preferably 10 nm to 100 nm. In such a range, it is possible to improve the surface protection and fire resistance of the plate-shaped cured body without inhibiting the effects of the present invention.
- These coatings may be performed by a known coating method, and a coating instrument such as a spray, a coater, a roller, or a brush can be used.
- a coating instrument such as a spray, a coater, a roller, or a brush can be used.
- the present plate-like cured body can be mainly applied as an interior building material of a building. That is, interior finishing can be performed by pasting on each part of the building interior surface. Specifically, it can be applied to walls, partitions, doors, ceilings, etc. in houses, condominiums, schools, hospitals, stores, offices, factories, warehouses, restaurants, etc.
- Examples of the base constituting such a part include gypsum board, plywood, concrete, mortar, tile, fiber-mixed cement board, cement calcium silicate board, and slag cement pearlite board. These bases may be those having an existing coating film on the surface thereof, or those already having wallpaper attached thereto.
- the plate-shaped cured body of the present invention is applied to such a base so that the plate-shaped cured body faces the indoor side.
- the plate-shaped cured body of the present invention when the plate-shaped cured body of the present invention is constructed, it may be adhered to the substrate using an adhesive, a pressure-sensitive adhesive, a pressure-sensitive adhesive tape, a nail, a heel or the like. In addition, it can also be fixed using pins, fasteners, rails or the like. Especially, it is preferable to stick the plate-shaped hardening body of this invention to a base
- the adhesive is not particularly limited, and a known one may be used.
- the synthetic resin used for the adhesive is not particularly limited, but ethylene resin, vinyl acetate resin, polyester resin, alkyd resin, vinyl chloride resin, epoxy resin, acrylic resin, urethane resin, phenol resin, melamine resin, amino resin , Polycarbonate resin, acrylic silicon resin, acrylic vinyl acetate resin, acrylic styrene resin, acrylic urethane resin, silicone resin, water-soluble type such as fluorine resin, water dispersion type, etc. Can be used.
- powder components, hollow particles, porous particles, fibers, etc. may be added to give various performances such as workability, finish, adhesive strength, fire resistance, etc., and coloring materials and extender pigments may be added as necessary.
- Commonly used additives such as dispersants, viscosity modifiers, antifoaming agents, antifungal agents, preservatives, and algaeproofing agents can be added as appropriate.
- the adhesive does not protrude.
- the interval at which the plate-like cured body is attached is not particularly limited, but may be about 1 mm to 30 mm. If it is such a range, interior finishing which makes use of a joint pattern can be performed.
- An adhesive agent can be exposed between plate-shaped hardening bodies, and a joint part can be formed easily. Moreover, you may smooth the adhesive of a joint part with a spatula etc. as needed.
- the ambient temperature at which the adhesive is cured can be set as appropriate, but is usually room temperature.
- Synthetic resin 1 to synthetic resin 3 As structural components, t-butyl methacrylate, n-butyl acrylate, 2-ethylhexyl acrylate, methyl methacrylate, ⁇ -methacryloyloxypropyltrimethoxysilane, hexamethylcyclotrisiloxane, octamethylcyclotetrasiloxane, decamethylcyclopentasiloxane Graft copolymerization was carried out to produce an acrylic-silicone graft copolymer type synthetic resin emulsion. These were designated as synthetic resins 1 to 3. Each synthetic resin has the following characteristics.
- Synthetic resin 4 to synthetic resin 6 The following acrylic resin emulsion and silicone resin emulsion were mixed to obtain synthetic resins 4 to 6.
- Acrylic resin emulsion component: t-butyl methacrylate, n-butyl acrylate, 2-ethylhexyl acrylate, methyl methacrylate
- Solid content 50% by weight
- Silicone resin emulsion emulsified dispersion of dimethylsiloxane compound
- solid content 50% by weight Synthetic resin 4; acrylic resin emulsion: silicone resin emulsion (solid content weight ratio) 80: 20, DMS dispersion peak temperature: 55 ° C., ⁇ 130 ° C.
- Synthetic resin 6; acrylic resin emulsion: silicone resin emulsion (solid content weight ratio) 90: 10, DMS dispersion peak temperature: 55 ° C., ⁇ 130 ° C.
- Synthetic resin 7 Acrylic resin emulsion (component: t-butyl methacrylate, n-butyl acrylate, 2-ethylhexyl acrylate, methyl methacrylate), solid content 50% by weight, DMS dispersion peak temperature: 55 ° C.
- the above-mentioned synthetic resins 1 to 7 were applied on a release paper and dried to prepare a film having a thickness of 0.1 mm, and the reflectance of the film was measured.
- the reflectance of the film was measured using a spectrophotometer (manufactured by Shimadzu Corporation, UV-3100). The results are shown in Table 1.
- the synthetic resins 1, 2, 4, 5, and 6 have a region in which the ultraviolet reflectance is 10% or more in the wavelength region of 300 nm to 500 nm.
- the synthetic resin 3 has a region where the ultraviolet reflectance is 10% or less in a region having a wavelength of 400 nm or more, and the ultraviolet reflectance is 10% or more in a region having a wavelength of less than 400 nm.
- the synthetic resin 7 had an ultraviolet reflectance of less than 10% in the wavelength region.
- Table 1 shows the ultraviolet reflectance at wavelengths of 380 nm, 400 nm, and 500 nm as typical values.
- cured materials 1 to 14 were produced by mixing and stirring the respective raw materials by a conventional method. In addition, the following were used as a raw material.
- component / aggregate 1 colored silica sand (light yellow, average particle diameter of 80 to 120 ⁇ m) -Aggregate 2: Heavy calcium carbonate (average particle size 50-150 ⁇ m)
- component / Hygroscopic powder Silica gel (average particle size 20 ⁇ m, bulk specific gravity 0.30 g / ml, moisture absorption 80% (under 20 ° C., 90% RH atmosphere))
- Component / photocatalytic oxide 1 UV-responsive anatase-type titanium oxide (excitation wavelength: 200 to 380 nm, average particle size 0.2 ⁇ m)
- Photocatalytic oxide 2 Visible light-responsive anatase-type titanium oxide (excitation wavelength: 400 to 650 nm, average particle diameter of 15 nm)
- Component / Chemical substance adsorbent Zinc aluminosilicate (average particle size 3 ⁇ m) (Additive) ⁇ Thickener (hydroxy
- Each of the above plate-like cured bodies was cut into 40 mm ⁇ 10 mm (thickness: 2 mm) and used as a test specimen for DMS measurement, using a DMS6100 manufactured by Seiko Instruments Inc., measuring temperature range: ⁇ 150 ° C. to 80 ° C. Measurement was performed under conditions of a temperature rate of 4 ° C./min and a measurement frequency of 1 Hz. Table 4 shows the measured dispersion peak temperature of loss tangent tan ⁇ .
- the total calorific value of the test specimen after 20 minutes was measured with a cone calorimeter defined by ISO 5660.
- a cone calorimeter defined by ISO 5660.
- the heating intensity was 50 kW / m 2 .
- the evaluation criteria for the exothermic test are as follows.
- ⁇ Hygroscopic evaluation 1> A 100 mm ⁇ 100 mm ⁇ 12.5 mm gypsum board was used as a base material for the test, an adhesive was applied to the base material, and each of the laminates 1A to 14A was attached, at 23 ° C. and 50 ⁇ 10% RH. The specimens cured for 24 hours were used as test specimens. Each specimen was left in an atmosphere of 23 ° C. and 90% RH, and the moisture absorption after 24 hours was evaluated (g / m 2 ).
- the evaluation criteria for hygroscopicity are as follows.
- the adhesive is made of synthetic resin 1, titanium oxide, heavy calcium carbonate, dispersant, thickening. An agent, an antifoaming agent, and water produced by uniformly stirring and mixing were used.
- ⁇ Contamination evaluation 1> The surface of each of the laminates 1B to 16B was brushed with coffee, and after 5 minutes, wiped with a wet cloth and visually evaluated for contamination.
- the evaluation criteria were a four-step evaluation (excellent: A>B>C> D: poor), where “A” is the one from which the dirt has been removed and “D” is the one from which the dirt remains significantly.
- ⁇ Hygroscopic evaluation 2> A test specimen was prepared in the same manner as in the hygroscopic evaluation 1 except that each laminate after the evaluation of the pollution evaluation 1 was used. Each specimen was left in an atmosphere of 23 ° C. and 90% RH, and the moisture absorption after 24 hours was evaluated (g / m 2 ). The evaluation criteria for hygroscopicity are the same as for hygroscopic evaluation 1.
- ⁇ Photocatalytic test> Each laminate was used as a test body, and a solution obtained by adding 2% sodium hydroxide to an ethanol solution of 1.0 wt% phenolphthalein was applied to the surface of the test body and then exposed to sunlight (wavelength region: 305 to 4045 nm). Exposure was made for a total of 36 hours, and the color difference before and after that was measured. The decomposition of phenolphthalein by the action of the photocatalyst was evaluated based on the color difference ⁇ E. The color difference was measured using a color difference meter (CM-3700d, manufactured by Minolta Co., Ltd.). The evaluation criteria for the photocatalytic test are as follows. A: 6 ⁇ ⁇ E B: 5 ⁇ E ⁇ 6 C: ⁇ E ⁇ 5
Abstract
Description
1.合成樹脂、及び粉粒体を含む板状硬化体であって、上記板状硬化体は、固形分重量比率で合成樹脂100重量部に対して、粉粒体200~4000重量部を含み、上記板状硬化体は、動的粘弾性測定装置を用いて測定した損失正接tanδの分散ピークを少なくとも-20℃~80℃(T1)及び-150℃~-100℃(T2)のそれぞれの温度範囲に有するものであることを特徴とする板状硬化体。
2.上記合成樹脂は、動的粘弾性測定装置を用いて測定した損失正接tanδの分散ピークを少なくとも-20℃~80℃(T1)及び-150℃~-100℃(T2)のそれぞれの温度範囲に有するものであることを特徴とする1.に記載の板状硬化体。
3.上記合成樹脂は、アクリル樹脂、及びシリコーン樹脂を固形分重量比率95:5~30:70で含むものであることを特徴とする1.~2.のいずれかに記載の板状硬化体。
4.上記合成樹脂は、アクリル樹脂、及びシリコーン樹脂のグラフト重合体であることを特徴とする1.~3.のいずれかに記載の板状硬化体。 That is, the plate-shaped cured body of the present invention has the following characteristics.
1. A plate-like cured body containing a synthetic resin and powder, wherein the plate-like cured body contains 200 to 4000 parts by weight of powder and granules with respect to 100 parts by weight of the synthetic resin as a solid content weight ratio. The plate-like cured product has a dispersion peak of loss tangent tan δ measured using a dynamic viscoelasticity measuring device at least from −20 ° C. to 80 ° C. (T 1 ) and from −150 ° C. to −100 ° C. (T 2 ). A plate-like cured body having a temperature range.
2. The above synthetic resin has a loss tangent tan δ dispersion peak measured using a dynamic viscoelasticity measuring device at a temperature of at least −20 ° C. to 80 ° C. (T 1 ) and −150 ° C. to −100 ° C. (T 2 ). 1. It has what is in the range. 2. The plate-like cured product according to 1.
3. The synthetic resin contains an acrylic resin and a silicone resin in a solid content weight ratio of 95: 5 to 30:70. ~ 2. The plate-shaped hardening body in any one of.
4). The synthetic resin is a graft polymer of acrylic resin and silicone resin. ~ 3. The plate-shaped hardening body in any one of.
6.上記粉粒体として、さらに光触媒金属酸化物を含むことを特徴とする1.~5.のいずれかに記載の板状硬化体。
7.上記粉粒体として、さらに化学物質吸着剤を含むことを特徴とする1.~6.のいずれかに記載の板状硬化体。
8.1.~7.のいずれかに記載の硬化体の上に、透湿性の上塗層が積層されたことを特徴とする板状硬化体。
9.合成樹脂、及び粉粒体を含む板状硬化体の製造方法であって、上記合成樹脂は、動的粘弾性測定装置を用いて測定した損失正接tanδの分散ピークを少なくとも-20℃~80℃(T1)及び-150℃~-100℃(T2)のそれぞれの温度範囲に有するものであり、固形分重量比率で合成樹脂100重量部に対して、粉粒体200~4000重量部を混合し、成形する第1工程、上記合成樹脂の分散ピーク温度(T1)よりも高い温度で硬化させる第2工程、を含むことを特徴とする板状硬化体の製造方法。 5. The granular material includes colored aggregates and hygroscopic powder. ~ 4. The plate-shaped hardening body in any one of.
6). The powdery particle further contains a photocatalytic metal oxide. ~ 5. The plate-shaped hardening body in any one of.
7). 1. The above-mentioned granular material further contains a chemical substance adsorbent. ~ 6. The plate-shaped hardening body in any one of.
8.1. ~ 7. A plate-like cured body, wherein a moisture-permeable overcoat layer is laminated on the cured body according to any one of the above.
9. A synthetic resin and a method for producing a plate-like cured product containing a powder, wherein the synthetic resin has a dispersion peak of loss tangent tan δ measured using a dynamic viscoelasticity measuring device at least from −20 ° C. to 80 ° C. (T 1 ) and −150 ° C. to −100 ° C. (T 2 ), each having a solid content weight ratio of 200 to 4000 parts by weight with respect to 100 parts by weight of the synthetic resin. mixing a first step of forming a second step, the manufacturing method of the plate-like cured product which comprises a curing at a temperature greater than the dispersion peak temperature (T 1) of the synthetic resin.
本発明の合成樹脂(以下、「(A)成分」ともいう)は、特に限定されないが、例えば、アクリル樹脂、シリコーン樹脂、アクリルシリコーン樹脂、フッ素樹脂、酢酸ビニル樹脂、アクリル・酢酸ビニル樹脂、塩化ビニル樹脂、ウレタン樹脂、アクリル・ウレタン樹脂、エポキシ樹脂、アルキッド樹脂、ポリビニルアルコール樹脂、ポリエステル樹脂、エチレン樹脂、ポリビニルアルコール、セルロース及びその誘導体等の水分散型、水可溶型、NAD型、溶剤可溶型、無溶剤型等が挙げられ、1液タイプ、2液タイプ等特に限定せず、用いることができる。 (A) Synthetic Resin The synthetic resin of the present invention (hereinafter also referred to as “component (A)”) is not particularly limited. For example, acrylic resin, silicone resin, acrylic silicone resin, fluororesin, vinyl acetate resin, acrylic Vinyl acetate resin, vinyl chloride resin, urethane resin, acrylic / urethane resin, epoxy resin, alkyd resin, polyvinyl alcohol resin, polyester resin, ethylene resin, polyvinyl alcohol, cellulose and its water-dispersed type, water-soluble type, NAD type, solvent-soluble type, solventless type and the like can be mentioned, and one-component type, two-component type and the like are not particularly limited and can be used.
・上記T1にtanδ曲線の分散ピークを有する合成樹脂と、上記T2にtanδ曲線の分散ピークを有する合成樹脂を混合した混合樹脂
・上記T1にtanδ曲線の分散ピークを有する合成樹脂と、上記T2にtanδ曲線の分散ピークを有する合成樹脂が化学的に結合した重合体
等が挙げられる。 Such a component (A) is not particularly limited.
A synthetic resin having a tan δ curve dispersion peak at T 1 and a synthetic resin having a tan δ curve dispersion peak at T 2 ; a synthetic resin having a tan δ curve dispersion peak at T 1 ; Examples thereof include a polymer in which a synthetic resin having a tan δ curve dispersion peak at T 2 is chemically bonded.
本発明では上述の(A)成分100重量部に対し、(B)粉粒体200~4000重量部、好ましく300~3500重量部、さらに好ましくは500~3000重量部を含むものである。上記粉粒体としては、少なくとも(b1)有色骨材、及び(b2)吸放湿性粉体を含むことが好ましい。 (B) Granules In the present invention, (B) 200 to 4000 parts by weight, preferably 300 to 3500 parts by weight, more preferably 500 to 3000 parts by weight are included with respect to 100 parts by weight of component (A) described above. It is a waste. It is preferable that at least (b1) colored aggregates and (b2) moisture-absorbing / releasing powders are included as the above-mentioned granular material.
(ただし、上記(A)成分は、動的粘弾性測定装置を用いて測定した損失正接tanδの分散ピークを少なくとも-20℃~80℃(T1)及び-150℃~-100℃(T2)のそれぞれの温度範囲に有するものである。) A cured product composition (hereinafter also referred to as “cured product composition”) in which 200 to 4000 parts by weight of (B) granular material is mixed with 100 parts by weight of (A) synthetic resin in a weight ratio of solids. A first step of forming a plate, and a second step of curing at a temperature (T 3 ) higher than the dispersion peak temperature (T 1 ) of the component (A).
(However, the component (A) has at least −20 ° C. to 80 ° C. (T 1 ) and −150 ° C. to −100 ° C. (T 2 ) dispersion peaks of loss tangent tan δ measured using a dynamic viscoelasticity measuring device. ) In each temperature range.)
(1)基材に板状硬化体用組成物を積層し、乾燥、硬化させる方法
(2)型枠を用いて板状硬化体を成形し、基材を積層させる方法 In the first step, the method for molding the plate-shaped cured body is not particularly limited, and for example, it may be molded using a mold having releasability. Moreover, what is necessary is just to laminate | stack by the following method, for example, when laminating | stacking a base material on a plate-shaped hardening body.
(1) A method of laminating a composition for a plate-shaped cured body on a substrate, drying and curing (2) A method of molding a plate-shaped cured body using a mold and laminating the substrate
(I)型枠に硬化体用組成物を流し込み、乾燥、脱型して板状硬化体を成型し、その後接着剤等で基材を積層する方法、
(II)型枠に硬化体用組成物を流し込み、該板状硬化体用組成物が乾燥する前に基材を積層し、乾燥、脱型する方法、等が挙げられる。
また、上記(I)(II)において硬化体組成物を流し込む際には、上記(1)における積層方法と同様の方法を採用することができる。 In the above (2), as the mold to be used, for example, a mold made of silicon resin, urethane resin, metal, or the like, or a mold provided with release paper can be used. Moreover, as a method of laminating the base material, for example,
(I) A method of pouring a composition for a cured body into a mold, drying and demolding to form a plate-shaped cured body, and then laminating a substrate with an adhesive or the like,
(II) A method of pouring a composition for a cured body into a mold, laminating a substrate before the composition for a plate-shaped cured body is dried, drying, demolding, and the like.
Moreover, when pouring a hardening body composition in said (I) (II), the method similar to the lamination | stacking method in said (1) is employable.
(合成樹脂1~合成樹脂3)
構成成分として、t-ブチルメタクリレート、n-ブチルアクリレート、2-エチルヘキシルアクリレート、メタクリル酸メチル、γ-メタクリロイルオキシプロピルトリメトキシシラン、ヘキサメチルシクロトリシロキサン、オクタメチルシクロテトラシロキサン、デカメチルシクロペンタシロキサンをグラフト共重合し、アクリル‐シリコーングラフト共重合型合成樹脂エマルションを製造した。これらを、合成樹脂1~3とした。各合成樹脂は、以下の特徴を有するものである。
・合成樹脂1
アクリル成分とシリコーン成分の固形分重量比80:20
DMS分散ピーク温度:55℃、-130℃
固形分50重量%
・合成樹脂2
アクリル成分とシリコーン成分の固形分重量比80:20
DMS分散ピーク温度:75℃、-130℃
固形分50重量%
・合成樹脂3
アクリル成分とシリコーン成分の重量比90:10
DMS分散ピーク温度:55℃、-130℃
固形分50重量% <Synthetic resin A>
(Synthetic resin 1 to synthetic resin 3)
As structural components, t-butyl methacrylate, n-butyl acrylate, 2-ethylhexyl acrylate, methyl methacrylate, γ-methacryloyloxypropyltrimethoxysilane, hexamethylcyclotrisiloxane, octamethylcyclotetrasiloxane, decamethylcyclopentasiloxane Graft copolymerization was carried out to produce an acrylic-silicone graft copolymer type synthetic resin emulsion. These were designated as synthetic resins 1 to 3. Each synthetic resin has the following characteristics.
・ Synthetic resin 1
Acrylic component and silicone component weight ratio 80:20
DMS dispersion peak temperature: 55 ° C, -130 ° C
Solid content 50% by weight
・ Synthetic resin 2
Acrylic component and silicone component weight ratio 80:20
DMS dispersion peak temperature: 75 ° C, -130 ° C
Solid content 50% by weight
・ Synthetic resin 3
Weight ratio of acrylic component to silicone component 90:10
DMS dispersion peak temperature: 55 ° C, -130 ° C
Solid content 50% by weight
以下に示すアクリル樹脂エマルションとシリコーン樹脂エマルションを混合し合成樹脂4~6とした。
アクリル樹脂エマルション(構成成分;t-ブチルメタクリレート、n-ブチルアクリレート、2-エチルヘキシルアクリレート、メタクリル酸メチル)、固形分50重量%
シリコーン樹脂エマルション(ジメチルシロキサン化合物の乳化分散液)、固形分50重量%
・合成樹脂4;アクリル樹脂エマルション:シリコーン樹脂エマルション(固形分重量比)=80:20、DMS分散ピーク温度:55℃、-130℃
・合成樹脂5;アクリル樹脂エマルション:シリコーン樹脂エマルション(固形分重量比)=50:50、DMS分散ピーク温度:55℃、-130℃
・合成樹脂6;アクリル樹脂エマルション:シリコーン樹脂エマルション(固形分重量比)=90:10、DMS分散ピーク温度:55℃、-130℃ (Synthetic resin 4 to synthetic resin 6)
The following acrylic resin emulsion and silicone resin emulsion were mixed to obtain synthetic resins 4 to 6.
Acrylic resin emulsion (component: t-butyl methacrylate, n-butyl acrylate, 2-ethylhexyl acrylate, methyl methacrylate), solid content 50% by weight
Silicone resin emulsion (emulsified dispersion of dimethylsiloxane compound), solid content 50% by weight
Synthetic resin 4; acrylic resin emulsion: silicone resin emulsion (solid content weight ratio) = 80: 20, DMS dispersion peak temperature: 55 ° C., −130 ° C.
Synthetic resin 5; acrylic resin emulsion: silicone resin emulsion (solid content weight ratio) = 50: 50, DMS dispersion peak temperature: 55 ° C., −130 ° C.
Synthetic resin 6; acrylic resin emulsion: silicone resin emulsion (solid content weight ratio) = 90: 10, DMS dispersion peak temperature: 55 ° C., −130 ° C.
アクリル樹脂エマルション(構成成分;t-ブチルメタクリレート、n-ブチルアクリレート、2-エチルヘキシルアクリレート、メタクリル酸メチル)、固形分50重量%、DMS分散ピーク温度:55℃ ・ Synthetic resin 7
Acrylic resin emulsion (component: t-butyl methacrylate, n-butyl acrylate, 2-ethylhexyl acrylate, methyl methacrylate), solid content 50% by weight, DMS dispersion peak temperature: 55 ° C.
表2、表3に示す配合に従い、各原料を常法により混合・攪拌することによって硬化体用組成物1~14を製造した。なお、原料としては以下のものを使用した。 (Manufacture of plate-shaped cured body)
According to the formulations shown in Tables 2 and 3, cured materials 1 to 14 were produced by mixing and stirring the respective raw materials by a conventional method. In addition, the following were used as a raw material.
(b1)成分
・骨材1:着色珪砂(淡黄色、平均粒子径80~120μm)
・骨材2:重質炭酸カルシウム(平均粒子径50~150μm)
(b2)成分
・吸放湿性粉体:シリカゲル(平均粒子径 20μm、かさ比重 0.30g/ml、吸湿率80%(20℃、90%RH雰囲気下))
(b3)成分
・光触媒酸化物1:紫外線応答性アナターゼ型酸化チタン(励起波長:200~380nm、平均粒子径0.2μm)
・光触媒酸化物2:可視光応答性アナターゼ型酸化チタン(励起波長:400~650nm、平均粒子径15nm)
(b4)成分
・化学物質吸着剤:アルミノ珪酸亜鉛(平均粒子径3μm)
(添加剤)
・増粘剤(ヒドロキシエチルセルロース、ウレタン会合性増粘剤)、水 (B) Powder and granule (b1) component / aggregate 1: colored silica sand (light yellow, average particle diameter of 80 to 120 μm)
-Aggregate 2: Heavy calcium carbonate (average particle size 50-150μm)
(B2) Component / Hygroscopic powder: Silica gel (average particle size 20 μm, bulk specific gravity 0.30 g / ml, moisture absorption 80% (under 20 ° C., 90% RH atmosphere))
(B3) Component / photocatalytic oxide 1: UV-responsive anatase-type titanium oxide (excitation wavelength: 200 to 380 nm, average particle size 0.2 μm)
Photocatalytic oxide 2: Visible light-responsive anatase-type titanium oxide (excitation wavelength: 400 to 650 nm, average particle diameter of 15 nm)
(B4) Component / Chemical substance adsorbent: Zinc aluminosilicate (average particle size 3 μm)
(Additive)
・ Thickener (hydroxyethylcellulose, urethane associative thickener), water
シリコン製の型枠に硬化体用組成物1~14を乾燥膜厚が2mmとなるように流し込み、100℃下で30分間乾燥させ、脱型し、板状硬化体1~14を得た。 (Test Examples 1 to 14)
The cured product compositions 1 to 14 were poured into a silicon mold so that the dry film thickness was 2 mm, dried at 100 ° C. for 30 minutes, and demolded to obtain plate-like cured products 1 to 14.
基材(ガラス不織布:厚み0.4mm、坪量50g/m2)上に、上記板状硬化体用組成物1~14を乾燥後の板状硬化体の厚さが2mmとなるように塗付し、100℃下で30分間乾燥させ、板状硬化体の積層体1A~14Aを得た。 ・ Evaluation A
On a substrate (glass nonwoven fabric: thickness 0.4 mm, basis weight 50 g / m 2 ), the above plate-shaped cured body compositions 1 to 14 are applied so that the thickness of the plate-shaped cured body after drying is 2 mm. And dried at 100 ° C. for 30 minutes to obtain laminates 1A to 14A of plate-like cured bodies.
積層体1A~14Aの板状硬化体の骨材による質感と隠ぺい性を目視にて評価した。評価基準は、骨材の質感及び隠ぺい性の良好なものを「A」、骨材の質感、及び隠ぺい性が不十分なものを「D」とする4段階評価(優:A>B>C>D:劣)で行った。 <Design evaluation>
The texture and concealment due to the aggregate of the plate-like cured bodies of the laminates 1A to 14A were visually evaluated. The evaluation standard is a four-step evaluation (excellent: A>B> C) where “A” is the material with good texture and concealment of the aggregate and “D” is the material with the insufficient texture and aggregate. > D: Inferior).
試験用の基材として、100mm×100mm×12.5mmの石膏ボードを用い、基材に接着材を塗付し、各積層体1A~14Aを貼り付け、23℃、50±10%RH下で24時間養生したものを試験体とした。 <Fireproof evaluation>
A 100 mm × 100 mm × 12.5 mm gypsum board was used as a base material for the test, an adhesive was applied to the base material, and each of the laminates 1A to 14A was attached, at 23 ° C. and 50 ± 10% RH. The specimens cured for 24 hours were used as test specimens.
発熱性試験の評価基準は、以下の通りである。
A:加熱時間20分での総発熱量が6.0MJ/m2以下
B:加熱時間20分での総発熱量が6.0MJ/m2を超え、8.0MJ/m2以下
C:加熱時間20分での総発熱量が8.0MJ/m2を超え、10.0MJ/m2以下
D:加熱時間20分での総発熱量が10.0MJ/m2を超え、12.0MJ/m2以下
E:加熱時間20分での総発熱量が12.0MJ/m2を超える The total calorific value of the test specimen after 20 minutes was measured with a cone calorimeter defined by ISO 5660. As the corn calorimeter, “CONE2A” (manufactured by Atlas) was used, and the heating intensity was 50 kW / m 2 .
The evaluation criteria for the exothermic test are as follows.
A: Total calorific value after heating time of 20 minutes is 6.0 MJ / m 2 or less B: Total calorific value after heating time of 20 minutes exceeds 6.0 MJ / m 2 and is 8.0 MJ / m 2 or less C: Heating It exceeds the total calorific value 8.0MJ / m 2 at time 20 minutes, 10.0 mJ / m 2 or less D: the total amount of heat generated at the heating time of 20 minutes exceeds 10.0MJ / m 2, 12.0MJ / m 2 or less E: Total calorific value after heating time of 20 minutes exceeds 12.0 MJ / m 2
試験用の基材として、70mm×150mm×0.8mmのアルミ板を用い、基材に接着材を塗付し、各積層体1A~14Aを貼り付け、23℃、50±10%RH下で24時間養生したものを試験体とした。試験体の裏面のほぼ中央に直径10mmの銅棒を当て、板状硬化体面を外側にして折り曲げ、表面にひび割れが発生した角度を評価した。 <Flexibility evaluation>
A 70 mm × 150 mm × 0.8 mm aluminum plate was used as a base material for the test, an adhesive was applied to the base material, and each of the laminates 1A to 14A was affixed, at 23 ° C. and 50 ± 10% RH. The specimens cured for 24 hours were used as test specimens. A copper rod having a diameter of 10 mm was applied to the center of the back surface of the test body, bent with the plate-like cured body surface facing outward, and the angle at which cracks occurred on the surface was evaluated.
試験用の基材として、100mm×100mm×12.5mmの石膏ボードを用い、基材に接着材を塗付し、各積層体1A~14Aを貼り付け、23℃、50±10%RH下で24時間養生したものを試験体とした。各試験体を、23℃、90%RH雰囲気下に放置し、24hr後の吸湿量を評価(g/m2)した。吸湿性の評価基準は、以下の通りである。
A:100g/m2以上
B:90g/m2以上100g/m2未満
C:90g/m2未満
なお、上記接着材は、合成樹脂1、酸化チタン、重質炭酸カルシウム、分散剤、増粘剤、消泡剤、及び水を均一に攪拌・混合して製造したものを使用した。 <Hygroscopic evaluation 1>
A 100 mm × 100 mm × 12.5 mm gypsum board was used as a base material for the test, an adhesive was applied to the base material, and each of the laminates 1A to 14A was attached, at 23 ° C. and 50 ± 10% RH. The specimens cured for 24 hours were used as test specimens. Each specimen was left in an atmosphere of 23 ° C. and 90% RH, and the moisture absorption after 24 hours was evaluated (g / m 2 ). The evaluation criteria for hygroscopicity are as follows.
A: 100 g / m 2 or more B: 90 g / m 2 or more and less than 100 g / m 2 C: less than 90 g / m 2 Note that the adhesive is made of synthetic resin 1, titanium oxide, heavy calcium carbonate, dispersant, thickening. An agent, an antifoaming agent, and water produced by uniformly stirring and mixing were used.
基材(ガラス不織布:厚み0.4mm、坪量50g/m2)上に、硬化体用組成物1~14を乾燥後の板状硬化体の厚さが2mmとなるように塗付し、表6及び7に示す温度下で30分間乾燥させ、板状硬化体の積層体1B~16Bを得た。 ・ Evaluation B
On a base material (glass nonwoven fabric: thickness 0.4 mm, basis weight 50 g / m 2 ), the cured body compositions 1 to 14 were applied so that the thickness of the plate-shaped cured body after drying was 2 mm. Drying was performed for 30 minutes at the temperatures shown in Tables 6 and 7 to obtain laminates 1B to 16B of plate-like cured bodies.
積層体1B~16Bの表面に、コーヒーを刷毛塗りし、5分後、濡れたウエスで拭き取り、汚染性を目視評価した。評価基準は、汚れが除去されたものを「A」、汚れが著しく残存したものを「D」とする4段階評価(優:A>B>C>D:劣)で行った。 <Contamination evaluation 1>
The surface of each of the laminates 1B to 16B was brushed with coffee, and after 5 minutes, wiped with a wet cloth and visually evaluated for contamination. The evaluation criteria were a four-step evaluation (excellent: A>B>C> D: poor), where “A” is the one from which the dirt has been removed and “D” is the one from which the dirt remains significantly.
汚染性評価1の評価後の各積層体を用いた以外は、吸湿性評価1と同様にして試験体を作製した。各試験体を、23℃、90%RH雰囲気下に放置し、24hr後の吸湿量を評価(g/m2)した。吸湿性の評価基準は、吸湿性評価1と同様である。 <Hygroscopic evaluation 2>
A test specimen was prepared in the same manner as in the hygroscopic evaluation 1 except that each laminate after the evaluation of the pollution evaluation 1 was used. Each specimen was left in an atmosphere of 23 ° C. and 90% RH, and the moisture absorption after 24 hours was evaluated (g / m 2 ). The evaluation criteria for hygroscopicity are the same as for hygroscopic evaluation 1.
基材(ガラス不織布:厚み0.4mm、坪量50g/m2)上に、上記硬化体用組成物1~6、9~13を乾燥後の板状硬化体の厚さが2mmとなるように塗付し、100℃下で30分間乾燥させ、板状硬化体の積層体1C~11Cを得た。 ・ Evaluation C
The thickness of the plate-like cured product after drying the cured composition 1 to 6, 9 to 13 on the base material (glass nonwoven fabric: thickness 0.4 mm, basis weight 50 g / m 2 ) is 2 mm. And dried at 100 ° C. for 30 minutes to obtain laminates 1C to 11C of plate-like cured bodies.
各積層体を試験体とし、1.0wt%フェノールフタレインのエタノール溶液に、水酸化ナトリウムを2%添加した溶液を、上記試験体表面に塗布した後、太陽光(波長領域305~4045nm)に合計36時間暴露し、その前後の色差を測定した。光触媒の作用によるフェノールフタレインの分解を色差△Eに基づき評価した。なお、色差の測定は、色差計(CM-3700d、ミノルタ株式会社製)を用いて行った。
光触媒作用試験の評価基準は、以下の通りである。
A:6≦△E
B:5<△E<6
C:△E≦5 <Photocatalytic test>
Each laminate was used as a test body, and a solution obtained by adding 2% sodium hydroxide to an ethanol solution of 1.0 wt% phenolphthalein was applied to the surface of the test body and then exposed to sunlight (wavelength region: 305 to 4045 nm). Exposure was made for a total of 36 hours, and the color difference before and after that was measured. The decomposition of phenolphthalein by the action of the photocatalyst was evaluated based on the color difference ΔE. The color difference was measured using a color difference meter (CM-3700d, manufactured by Minolta Co., Ltd.).
The evaluation criteria for the photocatalytic test are as follows.
A: 6 ≦ ΔE
B: 5 <ΔE <6
C: ΔE ≦ 5
Claims (9)
- 合成樹脂、及び粉粒体を含む板状硬化体であって、
上記板状硬化体は、固形分重量比率で合成樹脂100重量部に対して、粉粒体200~4000重量部を含み、
上記板状硬化体は、動的粘弾性測定装置を用いて測定した損失正接tanδの分散ピークを少なくとも-20℃~80℃(T1)及び-150℃~-100℃(T2)のそれぞれの温度範囲に有するものであることを特徴とする板状硬化体。 It is a plate-like cured body containing a synthetic resin and powder,
The plate-like cured body contains 200 to 4000 parts by weight of a granular material with respect to 100 parts by weight of a synthetic resin in a solid content weight ratio,
The plate-like cured product has a dispersion peak of loss tangent tan δ measured using a dynamic viscoelasticity measuring device at least from −20 ° C. to 80 ° C. (T 1 ) and from −150 ° C. to −100 ° C. (T 2 ). A plate-like cured body having a temperature range of - 上記合成樹脂は、動的粘弾性測定装置を用いて測定した損失正接tanδの分散ピークを少なくとも-20℃~80℃(T1)及び-150℃~-100℃(T2)のそれぞれの温度範囲に有するものであることを特徴とする請求項1に記載の板状硬化体。 The above synthetic resin has a loss tangent tan δ dispersion peak measured using a dynamic viscoelasticity measuring device at a temperature of at least −20 ° C. to 80 ° C. (T 1 ) and −150 ° C. to −100 ° C. (T 2 ). The plate-like cured body according to claim 1, which has a range.
- 上記合成樹脂は、アクリル樹脂、及びシリコーン樹脂を固形分重量比率95:5~30:70で含むものであることを特徴とする請求項1~請求項2のいずれかに記載の板状硬化体。 3. The plate-like cured product according to claim 1, wherein the synthetic resin contains an acrylic resin and a silicone resin in a solid content weight ratio of 95: 5 to 30:70.
- 上記合成樹脂は、アクリル樹脂、及びシリコーン樹脂のグラフト重合体であることを特徴とする請求項1~請求項3のいずれかに記載の板状硬化体。 The plate-like cured product according to any one of claims 1 to 3, wherein the synthetic resin is a graft polymer of an acrylic resin and a silicone resin.
- 上記粉粒体は、有色骨材、及び吸放湿性粉体を含むことを特徴とする請求項1~請求項4のいずれかに記載の板状硬化体。 The plate-like cured body according to any one of claims 1 to 4, wherein the granular material includes colored aggregates and hygroscopic powder.
- 上記粉粒体として、さらに光触媒金属酸化物を含むことを特徴とする請求項1~請求項5のいずれかに記載の板状硬化体。 6. The plate-like cured product according to claim 1, further comprising a photocatalytic metal oxide as the granular material.
- 上記粉粒体として、さらに化学物質吸着剤を含むことを特徴とする請求項1~請求項6のいずれかに記載の板状硬化体。 7. The plate-like cured body according to claim 1, further comprising a chemical substance adsorbent as the granular material.
- 請求項1~請求項7のいずれかに記載の硬化体の上に、透湿性の上塗層が積層されたことを特徴とする板状硬化体。 A plate-like cured body comprising a cured body according to any one of claims 1 to 7 and a moisture-permeable overcoat layer laminated thereon.
- 合成樹脂、及び粉粒体を含む板状硬化体の製造方法であって、
上記合成樹脂は、動的粘弾性測定装置を用いて測定した損失正接tanδの分散ピークを少なくとも-20℃~80℃(T1)及び-150℃~-100℃(T2)のそれぞれの温度範囲に有するものであり、
固形分重量比率で合成樹脂100重量部に対して、粉粒体200~4000重量部を混合し、成形する第1工程、
上記合成樹脂の分散ピーク温度(T1)よりも高い温度で硬化させる第2工程、を含むことを特徴とする板状硬化体の製造方法。 A method for producing a synthetic resin and a plate-like cured body containing a powder,
The above synthetic resin has a loss tangent tan δ dispersion peak measured using a dynamic viscoelasticity measuring device at a temperature of at least −20 ° C. to 80 ° C. (T 1 ) and −150 ° C. to −100 ° C. (T 2 ). Have in the range,
A first step of mixing and molding 200 to 4000 parts by weight of a granular material with respect to 100 parts by weight of a synthetic resin in a solid content weight ratio;
A second step of curing at a temperature higher than the dispersion peak temperature (T 1 ) of the synthetic resin.
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KR1020127023374A KR101328558B1 (en) | 2010-03-15 | 2011-03-09 | Plate―like cured product |
CN201180011959.XA CN102791649B (en) | 2010-03-15 | 2011-03-09 | Plate-like cured product |
JP2012505632A JP5244258B2 (en) | 2010-03-15 | 2011-03-09 | Plate-shaped cured body |
SG2012068433A SG184084A1 (en) | 2010-03-15 | 2011-03-09 | Plate-like cured product |
HK13105770.0A HK1178877A1 (en) | 2010-03-15 | 2013-05-15 | Plate-like cured product |
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JP2009256560A (en) * | 2008-03-17 | 2009-11-05 | Bekku Kk | Curable composition and molded product thereof |
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