JP4304201B2 - Interior thin finish coating material having humidity control, manufacturing method thereof, interior thin finish wall material having humidity control and construction method thereof - Google Patents
Interior thin finish coating material having humidity control, manufacturing method thereof, interior thin finish wall material having humidity control and construction method thereof Download PDFInfo
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- JP4304201B2 JP4304201B2 JP2006286626A JP2006286626A JP4304201B2 JP 4304201 B2 JP4304201 B2 JP 4304201B2 JP 2006286626 A JP2006286626 A JP 2006286626A JP 2006286626 A JP2006286626 A JP 2006286626A JP 4304201 B2 JP4304201 B2 JP 4304201B2
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- shirasu
- coating material
- finish coating
- water
- humidity control
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- 239000000463 material Substances 0.000 title claims description 80
- 239000005002 finish coating Substances 0.000 title claims description 54
- 238000010276 construction Methods 0.000 title claims description 17
- 238000004519 manufacturing process Methods 0.000 title claims description 8
- 239000011347 resin Substances 0.000 claims description 33
- 229920005989 resin Polymers 0.000 claims description 33
- AXCZMVOFGPJBDE-UHFFFAOYSA-L calcium dihydroxide Chemical compound [OH-].[OH-].[Ca+2] AXCZMVOFGPJBDE-UHFFFAOYSA-L 0.000 claims description 31
- 239000000920 calcium hydroxide Substances 0.000 claims description 31
- 235000011116 calcium hydroxide Nutrition 0.000 claims description 31
- 229910001861 calcium hydroxide Inorganic materials 0.000 claims description 31
- 239000002562 thickening agent Substances 0.000 claims description 24
- 239000000843 powder Substances 0.000 claims description 22
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 22
- 239000000835 fiber Substances 0.000 claims description 20
- 239000000203 mixture Substances 0.000 claims description 14
- 238000001035 drying Methods 0.000 claims description 5
- 238000004898 kneading Methods 0.000 claims description 5
- 230000003750 conditioning effect Effects 0.000 claims description 3
- 238000012545 processing Methods 0.000 claims description 3
- 239000003795 chemical substances by application Substances 0.000 description 28
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 20
- 238000004945 emulsification Methods 0.000 description 13
- 238000000034 method Methods 0.000 description 9
- ODINCKMPIJJUCX-UHFFFAOYSA-N calcium oxide Inorganic materials [Ca]=O ODINCKMPIJJUCX-UHFFFAOYSA-N 0.000 description 7
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 6
- 150000002500 ions Chemical class 0.000 description 6
- 239000004576 sand Substances 0.000 description 6
- 238000010521 absorption reaction Methods 0.000 description 5
- 238000005336 cracking Methods 0.000 description 5
- 230000000694 effects Effects 0.000 description 5
- 239000000377 silicon dioxide Substances 0.000 description 5
- 241000772991 Aira Species 0.000 description 4
- VTYYLEPIZMXCLO-UHFFFAOYSA-L Calcium carbonate Chemical compound [Ca+2].[O-]C([O-])=O VTYYLEPIZMXCLO-UHFFFAOYSA-L 0.000 description 4
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 description 4
- 238000005299 abrasion Methods 0.000 description 4
- 239000000292 calcium oxide Substances 0.000 description 4
- 235000012255 calcium oxide Nutrition 0.000 description 4
- 239000011248 coating agent Substances 0.000 description 4
- 238000000576 coating method Methods 0.000 description 4
- 238000011156 evaluation Methods 0.000 description 4
- 239000002245 particle Substances 0.000 description 4
- 239000000049 pigment Substances 0.000 description 4
- 239000004848 polyfunctional curative Substances 0.000 description 4
- 238000012360 testing method Methods 0.000 description 4
- 235000008733 Citrus aurantifolia Nutrition 0.000 description 3
- 239000005909 Kieselgur Substances 0.000 description 3
- 235000011941 Tilia x europaea Nutrition 0.000 description 3
- 238000005562 fading Methods 0.000 description 3
- 229910052742 iron Inorganic materials 0.000 description 3
- 239000004571 lime Substances 0.000 description 3
- 239000011505 plaster Substances 0.000 description 3
- 239000008262 pumice Substances 0.000 description 3
- 235000012239 silicon dioxide Nutrition 0.000 description 3
- 239000012855 volatile organic compound Substances 0.000 description 3
- 241001474374 Blennius Species 0.000 description 2
- 229920002134 Carboxymethyl cellulose Polymers 0.000 description 2
- 235000019738 Limestone Nutrition 0.000 description 2
- 239000011575 calcium Substances 0.000 description 2
- 229910000019 calcium carbonate Inorganic materials 0.000 description 2
- 239000001569 carbon dioxide Substances 0.000 description 2
- 229910002092 carbon dioxide Inorganic materials 0.000 description 2
- 239000001768 carboxy methyl cellulose Substances 0.000 description 2
- 235000010948 carboxy methyl cellulose Nutrition 0.000 description 2
- 239000008112 carboxymethyl-cellulose Substances 0.000 description 2
- 239000004568 cement Substances 0.000 description 2
- 239000004927 clay Substances 0.000 description 2
- 230000000052 comparative effect Effects 0.000 description 2
- 238000003795 desorption Methods 0.000 description 2
- 239000010440 gypsum Substances 0.000 description 2
- 229910052602 gypsum Inorganic materials 0.000 description 2
- 239000006028 limestone Substances 0.000 description 2
- 229920000609 methyl cellulose Polymers 0.000 description 2
- 239000001923 methylcellulose Substances 0.000 description 2
- 235000010981 methylcellulose Nutrition 0.000 description 2
- 229920005615 natural polymer Polymers 0.000 description 2
- 230000035699 permeability Effects 0.000 description 2
- 239000002861 polymer material Substances 0.000 description 2
- 239000002994 raw material Substances 0.000 description 2
- 239000013049 sediment Substances 0.000 description 2
- 229910021487 silica fume Inorganic materials 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 229920001059 synthetic polymer Polymers 0.000 description 2
- 239000005335 volcanic glass Substances 0.000 description 2
- 229920000178 Acrylic resin Polymers 0.000 description 1
- 239000004925 Acrylic resin Substances 0.000 description 1
- 241000242757 Anthozoa Species 0.000 description 1
- OYPRJOBELJOOCE-UHFFFAOYSA-N Calcium Chemical compound [Ca] OYPRJOBELJOOCE-UHFFFAOYSA-N 0.000 description 1
- 244000025254 Cannabis sativa Species 0.000 description 1
- 235000012766 Cannabis sativa ssp. sativa var. sativa Nutrition 0.000 description 1
- 235000012765 Cannabis sativa ssp. sativa var. spontanea Nutrition 0.000 description 1
- 206010007269 Carcinogenicity Diseases 0.000 description 1
- 235000014653 Carica parviflora Nutrition 0.000 description 1
- 241000195493 Cryptophyta Species 0.000 description 1
- 206010073508 Drug reaction with eosinophilia and systemic symptoms Diseases 0.000 description 1
- 241000196324 Embryophyta Species 0.000 description 1
- 241001147665 Foraminifera Species 0.000 description 1
- 241000237858 Gastropoda Species 0.000 description 1
- DGAQECJNVWCQMB-PUAWFVPOSA-M Ilexoside XXIX Chemical compound C[C@@H]1CC[C@@]2(CC[C@@]3(C(=CC[C@H]4[C@]3(CC[C@@H]5[C@@]4(CC[C@@H](C5(C)C)OS(=O)(=O)[O-])C)C)[C@@H]2[C@]1(C)O)C)C(=O)O[C@H]6[C@@H]([C@H]([C@@H]([C@H](O6)CO)O)O)O.[Na+] DGAQECJNVWCQMB-PUAWFVPOSA-M 0.000 description 1
- -1 Koji Substances 0.000 description 1
- FYYHWMGAXLPEAU-UHFFFAOYSA-N Magnesium Chemical compound [Mg] FYYHWMGAXLPEAU-UHFFFAOYSA-N 0.000 description 1
- PWHULOQIROXLJO-UHFFFAOYSA-N Manganese Chemical compound [Mn] PWHULOQIROXLJO-UHFFFAOYSA-N 0.000 description 1
- 239000004372 Polyvinyl alcohol Substances 0.000 description 1
- ZLMJMSJWJFRBEC-UHFFFAOYSA-N Potassium Chemical compound [K] ZLMJMSJWJFRBEC-UHFFFAOYSA-N 0.000 description 1
- 229910004298 SiO 2 Inorganic materials 0.000 description 1
- 229920002472 Starch Polymers 0.000 description 1
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 description 1
- XTXRWKRVRITETP-UHFFFAOYSA-N Vinyl acetate Chemical compound CC(=O)OC=C XTXRWKRVRITETP-UHFFFAOYSA-N 0.000 description 1
- 241000041388 Wallacea Species 0.000 description 1
- 229910021536 Zeolite Inorganic materials 0.000 description 1
- 239000003463 adsorbent Substances 0.000 description 1
- 238000007605 air drying Methods 0.000 description 1
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 description 1
- 150000001450 anions Chemical class 0.000 description 1
- 230000000843 anti-fungal effect Effects 0.000 description 1
- 229940121375 antifungal agent Drugs 0.000 description 1
- 239000004566 building material Substances 0.000 description 1
- DQXBYHZEEUGOBF-UHFFFAOYSA-N but-3-enoic acid;ethene Chemical compound C=C.OC(=O)CC=C DQXBYHZEEUGOBF-UHFFFAOYSA-N 0.000 description 1
- 229910052791 calcium Inorganic materials 0.000 description 1
- BRPQOXSCLDDYGP-UHFFFAOYSA-N calcium oxide Chemical compound [O-2].[Ca+2] BRPQOXSCLDDYGP-UHFFFAOYSA-N 0.000 description 1
- 235000009120 camo Nutrition 0.000 description 1
- 230000007670 carcinogenicity Effects 0.000 description 1
- 231100000260 carcinogenicity Toxicity 0.000 description 1
- 235000005607 chanvre indien Nutrition 0.000 description 1
- 229910021540 colemanite Inorganic materials 0.000 description 1
- 239000003086 colorant Substances 0.000 description 1
- 238000012790 confirmation Methods 0.000 description 1
- 239000000470 constituent Substances 0.000 description 1
- 229910002026 crystalline silica Inorganic materials 0.000 description 1
- 238000004332 deodorization Methods 0.000 description 1
- HNPSIPDUKPIQMN-UHFFFAOYSA-N dioxosilane;oxo(oxoalumanyloxy)alumane Chemical compound O=[Si]=O.O=[Al]O[Al]=O HNPSIPDUKPIQMN-UHFFFAOYSA-N 0.000 description 1
- 239000010459 dolomite Substances 0.000 description 1
- 229910000514 dolomite Inorganic materials 0.000 description 1
- 239000005038 ethylene vinyl acetate Substances 0.000 description 1
- 239000010419 fine particle Substances 0.000 description 1
- 239000006260 foam Substances 0.000 description 1
- 239000013505 freshwater Substances 0.000 description 1
- 239000003292 glue Substances 0.000 description 1
- 230000036449 good health Effects 0.000 description 1
- 238000005338 heat storage Methods 0.000 description 1
- 239000011487 hemp Substances 0.000 description 1
- 238000006703 hydration reaction Methods 0.000 description 1
- 230000009610 hypersensitivity Effects 0.000 description 1
- 239000011777 magnesium Substances 0.000 description 1
- 229910052749 magnesium Inorganic materials 0.000 description 1
- 229910052748 manganese Inorganic materials 0.000 description 1
- 239000011572 manganese Substances 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 239000011368 organic material Substances 0.000 description 1
- 229920001200 poly(ethylene-vinyl acetate) Polymers 0.000 description 1
- 238000006116 polymerization reaction Methods 0.000 description 1
- 229920002451 polyvinyl alcohol Polymers 0.000 description 1
- 235000019422 polyvinyl alcohol Nutrition 0.000 description 1
- 239000011591 potassium Substances 0.000 description 1
- 229910052700 potassium Inorganic materials 0.000 description 1
- 208000008842 sick building syndrome Diseases 0.000 description 1
- RMAQACBXLXPBSY-UHFFFAOYSA-N silicic acid Chemical compound O[Si](O)(O)O RMAQACBXLXPBSY-UHFFFAOYSA-N 0.000 description 1
- 239000011734 sodium Substances 0.000 description 1
- 229910052708 sodium Inorganic materials 0.000 description 1
- 235000019698 starch Nutrition 0.000 description 1
- 239000010902 straw Substances 0.000 description 1
- 238000005496 tempering Methods 0.000 description 1
- 239000010936 titanium Substances 0.000 description 1
- 229910052719 titanium Inorganic materials 0.000 description 1
- VLCLHFYFMCKBRP-UHFFFAOYSA-N tricalcium;diborate Chemical compound [Ca+2].[Ca+2].[Ca+2].[O-]B([O-])[O-].[O-]B([O-])[O-] VLCLHFYFMCKBRP-UHFFFAOYSA-N 0.000 description 1
- 239000010457 zeolite Substances 0.000 description 1
Classifications
-
- 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
-
- 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
- C04B28/00—Compositions of mortars, concrete or artificial stone, containing inorganic binders or the reaction product of an inorganic and an organic binder, e.g. polycarboxylate cements
- C04B28/02—Compositions of mortars, concrete or artificial stone, containing inorganic binders or the reaction product of an inorganic and an organic binder, e.g. polycarboxylate cements containing hydraulic cements other than calcium sulfates
- C04B28/10—Lime cements or magnesium oxide cements
- C04B28/12—Hydraulic lime
-
- 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
- C04B2111/00474—Uses not provided for elsewhere in C04B2111/00
- C04B2111/00482—Coating or impregnation materials
- C04B2111/00517—Coating or impregnation materials for masonry
-
- 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
- C04B2111/2038—Resistance against physical degradation
- C04B2111/2076—Discolouring resistant materials
-
- 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
- C04B2111/34—Non-shrinking or non-cracking materials
- C04B2111/343—Crack resistant materials
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Ceramic Engineering (AREA)
- Materials Engineering (AREA)
- Structural Engineering (AREA)
- Organic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Inorganic Chemistry (AREA)
- Curing Cements, Concrete, And Artificial Stone (AREA)
- Paints Or Removers (AREA)
Description
本発明は、ひび割れ抵抗性、付着強さ、保水性、耐摩耗性、耐変退色性、吸放湿性、マイナスイオン発生効果を併せ持つ調湿性を有する内装薄付仕上塗材及びその製造方法、調湿性を有する内装薄付仕上壁材、及びその施工方法に関する。 The present invention relates to an interior thin finish coating material having a moisture conditioning property having both crack resistance, adhesion strength, water retention, abrasion resistance, resistance to fading, moisture absorption and desorption, and anion generation effect, a method for producing the same, The present invention relates to a wet interior finishing wall material and its construction method.
従来、調湿性を有する仕上塗材として漆喰や土壁が知られており、漆喰は消石灰に、スサ、のり、藁、水等を加えて練り合わせたものであって、土壁は粘土に、砂、藁、麻等を加えて練り合わせたものである。また、珪藻土を添加したものも知られている。
これらは、調湿性ばかりでなく、耐火性、蓄熱性、消臭性をも併せ持つものであって、近年の揮発性有機化合物過敏症やシックハウス症候群に対する対策として見なおされてきている。
Conventionally, plaster and earth walls are known as finish coating materials with humidity control, and plaster is kneaded slaked lime and added with susa, glue, straw, water, etc., and the earth wall is clay, sand , Koji, hemp etc. are added and kneaded. Moreover, what added diatomaceous earth is also known.
These have not only humidity control but also fire resistance, heat storage, and deodorization properties, and have been regarded as measures against recent volatile organic compound hypersensitivity and sick house syndrome.
一方、天然の産出堆積物であるシラスの活用法として、乾燥シラスを白セメント又は石膏と組み合わせて建材、建築仕上塗材に混合して用いる方法が提案されている(例えば特許文献1など)。
しかしながら、前記珪藻土は近年、結晶性シリカの発ガン性が問題となっているため、この珪藻土の代替品として乾燥シラスを使用するものであって、乾燥シラスは吸水が激しくセメント又は石膏を用いて水和反応により強制硬化させる以外に硬化させることは困難であった。例えば空気中の炭酸ガス及び空気乾燥及び樹脂の重合による石灰又及び再乳化型水溶性樹脂を硬化剤として壁材にするのは極めて困難であり、特に、塗り壁面を平滑にするテクスチャーにはコテ滑りが悪く水引が早く硬化速度が遅い事から、消石灰又は再乳化型水溶性樹脂で硬化させる方法には、乾燥シラスは不向きな原料であるという一般的な評価があった。 However, since the diatomaceous earth has recently become a problem of carcinogenicity of crystalline silica, dry shirasu is used as a substitute for this diatomaceous earth, and the dry shirasu has a strong water absorption and uses cement or gypsum. It was difficult to cure other than forced curing by hydration reaction. For example, it is extremely difficult to use lime or re-emulsifiable water-soluble resin by carbon dioxide in the air and air drying and polymerization of the resin as a hardener to make a wall material. Since the slippage is poor and the water-drawing is fast and the curing speed is slow, there has been a general evaluation that dry shirasu is an unsuitable raw material for the method of curing with slaked lime or a re-emulsifying water-soluble resin.
そこで、本発明は、上記問題点を解消でき、ひび割れ抵抗性、付着強さ、保水性、耐摩耗性、耐変退色性、吸放湿性、マイナスイオン発生効果を併せ持つ健康に良い塗壁材を提供することを目的とする。 Therefore, the present invention can solve the above-mentioned problems, and provides a coating material with good health that has crack resistance, adhesion strength, water retention, abrasion resistance, resistance to fading, moisture absorption / release, and negative ion generation effects. The purpose is to provide.
本発明は、上記に鑑み提案されたもので、シラス又はシラスバルーンと硬化剤として消石灰又は再乳化型水溶性樹脂を特定の組成範囲にて含有し、さらに他の成分を組み合わせることにより、前記目的を達成し得ることを見出した。 The present invention has been proposed in view of the above, and contains the shirasu or shirasu balloon and slaked lime or a re-emulsifiable water-soluble resin as a curing agent in a specific composition range, and further combines the above-mentioned object by combining other components. Found that it can be achieved.
即ち本発明は、シラス又はシラスバルーン3〜7wt%、再乳化型水溶性樹脂2〜10wt%、無機質粉体5〜40wt%、骨材10〜75wt%、増粘剤0.5〜10wt%、有機質繊維1〜3wt%を含有することを特徴とする調湿性を有する内装薄付仕上塗材、及び前記各成分を含有するものであって、これらの乾燥状態のものを調合し、撹拌し、製造することを特徴とする調湿性を有する内装薄付仕上塗材の製造方法に関するものである。 That is, the present invention is Shirasu or Shirasu balloon 3-7 wt%, re-emulsifying water-soluble resin 2-10 wt%, inorganic powder 5-40 wt%, aggregate 10-75 wt%, thickener 0.5-10 wt%, An interior thin finish coating material having moisture conditioning, characterized by containing 1 to 3 wt% of organic fibers, and each of the above components, which are prepared and stirred, The present invention relates to a method for producing an interior thin finish coating material having humidity control characteristics .
また、本発明は、シラス又はシラスバルーン5〜20wt%、消石灰5〜30wt%、無機質粉体5〜40wt%、骨材10〜60wt%、増粘剤0.5〜7wt%、有機質繊維1〜3wt%を含有することを特徴とする調湿性を有する内装薄付仕上塗材、及び前記各成分を含有するものであって、これらの乾燥状態のものを調合し、撹拌し、製造することを特徴とする調湿性を有する内装薄付仕上塗材のの製造方法をも提案する。 In addition, the present invention includes shirasu or shirasu balloon 5-20 wt%, slaked lime 5-30 wt%, inorganic powder 5-40 wt%, aggregate 10-60 wt%, thickener 0.5-7 wt%, organic fiber 1 An interior thin finish coating material having humidity control, characterized by containing 3 wt%, and each of the above components, which are prepared in a dry state, stirred, and manufactured We also propose a method for manufacturing the interior thin finish coating material with the characteristic humidity control .
さらに、本発明は、前記組成割合の内装薄付仕上塗材に水を加えて混練し、下地の上に塗布し、各種デザインによる表面仕上げ加工を施工現場で施して乾燥させたことを特徴とする調湿性を有する内装薄付仕上壁材をも提案する。 Furthermore, the present invention is characterized in that water is added to the interior thin finish coating material of the above composition ratio, kneaded, applied on the base, and subjected to surface finishing by various designs on the construction site and dried. We also propose a thin interior wall material that has humidity control.
また、本発明は、前記組成割合の内装薄付仕上塗材に水を加えて混練し、下地の上に塗布し、各種デザインによる表面仕上加工を施工現場で施して乾燥させることを特徴とする調湿性を有する内装薄付仕上壁材の施工方法をも提案する。 Further, the present invention is characterized in that water is added to the interior thin finish coating material having the above composition ratio, kneaded, applied onto the base, and subjected to surface finish processing by various designs at the construction site and dried. We also propose a method of constructing interior wall finish walls with humidity control.
本発明の調湿性を有する内装薄付仕上塗材は、ひび割れ抵抗性、付着強さ、保水性、耐摩耗性、耐変退色性、吸放湿性、マイナスイオン発生効果を持ち、JIS A 6909に規定する70g以上の調湿性、並びに建築用仕上塗材の性能を満たす。
また、それぞれの測定値は後記表3および表4に示す。
The interior thin finish coating material having humidity control properties of the present invention has cracking resistance, adhesion strength, water retention, abrasion resistance, resistance to fading, moisture absorption and desorption, and negative ion generation effects, and is in accordance with JIS A 6909. Satisfies the humidity control ability of 70 g or more as defined, and the performance of finish coating materials for buildings.
The measured values are shown in Tables 3 and 4 below.
また、本発明の調湿性を有する内装薄付仕上壁材は、規定量の清水を加え混練りし、通常の左官工法により容易に施工できる。 In addition, the interior thin finish wall material having humidity control of the present invention can be easily constructed by adding a specified amount of fresh water and kneading, and using a normal plastering method.
本発明に用いる各材料について以下に説明する。 Each material used for this invention is demonstrated below.
〔シラス〕
シラス(白砂)とは、南九州の方言で白い砂を意味するが、地質学的には鹿児島県を始めとする南九州一帯に厚く堆積している、白色の火山噴出物(細粒の軽石や火山灰など)が集積した地層をいう。シラスの大部分が約2.5万年前に発生した姶良(あいら)カルデラの大噴火時に発生した入戸火砕流により形成されたと推定されている。この火砕流の噴出量は現在の赤城山の容積(約100km3)の約2倍に達し(200km3)、それに加えて火山灰約150km3が日本全国に降り注いだ(広域テフラ姶良Tn)。姶良カルデラは桜島より北側の鹿児島湾奥部に相当する窪地(直径約20km)である。なおこのとき噴出したマグマは二酸化ケイ素分が多く、白っぽく見える為、シラス(白砂)と呼ばれる。また、南九州にはシラスと呼ばれる火山噴出物が広く分布し、台地あるいは丘陵地を形成している。そのシラスは第3紀末から第4紀にかけて現在の鹿児島湾奥及び、湾口の姶良・阿多火山から噴出したものと言われ、軽石流(発砲部)降下軽石及びこれらの二次堆積層(狭義のシラス)などからなっている。それらは一般に白い砂質堆積物であるため、古くから白砂または白洲と呼ばれ現在はシラスと言われている。総じて噴火による噴出物(ガラス質火山灰)を現在、九州地区では「シラス」と呼んでいる。シラスは1000℃を越す温度で自然焼成された完全無機質粉状の物質で、南九州だけの埋蔵量だけでも90km3と考えられている。成分は、下表1に示すように珪酸70%、アルミナ14%、カルシウム3%、ナトリウム3%、磁鉄2%、カリウム2%、その他マグネシウム、チタン、マンガンなどを含む。
Shirasu (white sand) means white sand in the dialect of Minami Kyushu, but geologically, white volcanic ejecta (fine pumice stones) that are thickly deposited in the southern Kyushu area, including Kagoshima Prefecture. Or volcanic ash). It is estimated that most of the Shirasu was formed by the Ito pyroclastic flow generated during the great eruption of the Aira caldera that occurred about 25,000 years ago. The volume of pyroclastic flow erupted about twice as large as the current volume of Akagiyama (about 100 km 3 ) (200 km 3 ), and in addition, about 150 km 3 of volcanic ash fell all over Japan (wide area tephra Aira Tn). Aira caldera is a depression (diameter about 20km) corresponding to the back of Kagoshima Bay on the north side of Sakurajima. The magma ejected at this time has a lot of silicon dioxide and looks whitish, so it is called shirasu (white sand). In southern Kyushu, volcanic products called Shirasu are widely distributed, forming plateaus or hills. The Shirasu is said to have been erupted from the back of Kagoshima Bay and from the Aira and Ata volcanoes at the mouth of the end of the 3rd to 4th era. Pumice flow (fired part) fall pumice and their secondary sediments ( Narrowly defined Shirasu). Since they are generally white sandy deposits, they have long been called white sand or white sand and are now called Shirasu. In general, eruption products (glassy volcanic ash) are now called "Shirasu" in the Kyushu region. Shirasu is a completely inorganic powdery substance that is naturally calcined at a temperature exceeding 1000 ° C., and it is thought that the reserves in South Kyushu alone are 90 km 3 . As shown in Table 1 below, the components include 70% silicic acid, 14% alumina, 3% calcium, 3% sodium, 2% magnetic iron, 2% potassium, other magnesium, titanium, manganese and the like.
〔シラスバルーン〕
シラスを高温で焼成し、発泡させたもので、シラス中の火山ガラスを選別、乾燥し高温で熱処理すると、火山ガラスの粒子が発砲して微細な中空状の発泡粒になる。成分の一例を、下表2に示す。
Shirasu is baked and foamed at high temperature. When volcanic glass in the shirasu is selected, dried and heat-treated at high temperature, the volcanic glass particles are fired into fine hollow foam particles. An example of the components is shown in Table 2 below.
これらのシラス又はシラスバルーンは、再乳化型水溶性樹脂を硬化剤として用いる本発明の内装薄付仕上塗材において、3〜7wt%配合されることが望ましい。3wt%以下ではマイナスイオンの発生及び、調湿機能が低く、7wt%以上になると仕上げ表面強度が弱くなる。
また、消石灰を硬化剤として用いる本発明の内装薄付仕上塗材において、シラス又はシラスバルーンは5〜20wt%配合されることが望ましい。5wt%以下では調湿性、マイナスイオンの発生等の機能が低下し、20wt%以上になると表面強度が弱くなる。
These shirasu or shirasu balloons are desirably blended in an amount of 3 to 7 wt% in the interior thin finish coating material of the present invention using a re-emulsifying water-soluble resin as a curing agent. If it is 3 wt% or less, the generation of negative ions and the humidity control function are low, and if it is 7 wt% or more, the finished surface strength becomes weak.
In addition, in the interior thin finish coating material of the present invention using slaked lime as a curing agent, it is desirable that 5-20 wt% of shirasu or shirasu balloon is blended. If it is 5 wt% or less, functions such as humidity control and generation of negative ions are deteriorated, and if it is 20 wt% or more, the surface strength is weakened.
尚、参考としてシリカヒュームについて説明すると、高純度SiO2の非晶質球状微粒子であって、吸水性を有していないため、消石灰又は再乳化型水溶性樹脂を硬化剤として壁材としてどのような組成割合であっても、何等問題は生じない。そのため、このシリカヒュームは、既に多くの製品、並びに提案に用いられている。 As a reference, silica fume will be described. Since it is a high-purity SiO 2 amorphous spherical fine particle and does not have water absorption, how to use slaked lime or a re-emulsifying water-soluble resin as a hardener. Even if the composition ratio is high, no problem occurs. Therefore, this silica fume has already been used for many products and proposals.
〔再乳化型水溶性樹脂〕
酢酸ビニル=ベオバ、エチレン酢酸ビニル、アクリル樹脂等の再乳化型水溶性樹脂は、水に可溶で、粉末状であるため、予め乾燥状態で混合しておくことができる。
また、この再乳化型水溶性樹脂を硬化剤として用いる本発明の内装薄付仕上塗材において、再乳化型水溶性樹脂は2〜10wt%配合されることが望ましい。2wt%以下では付着性能の向上がみられず、また、硬化はするものの時間を要する。10wt%以上になると付着性能は上がるが、透湿性が低下する。
[Re-emulsifying water-soluble resin]
Re-emulsification type water-soluble resins such as vinyl acetate = veova, ethylene vinyl acetate, and acrylic resin are soluble in water and in powder form, and therefore can be mixed in advance in a dry state.
In the interior thin finish coating material of the present invention using this re-emulsification type water-soluble resin as a curing agent, the re-emulsification type water-soluble resin is desirably blended in an amount of 2 to 10 wt%. If it is 2 wt% or less, the adhesion performance is not improved, and it takes time to cure. When it becomes 10 wt% or more, the adhesion performance is improved, but the moisture permeability is lowered.
〔消石灰〕
石灰岩は有孔虫,サンゴ、二枚貝、巻き貝、石灰藻など、CaCO3の殻や骨格をもつ生物の遺骸が堆積して作られたもので、石灰岩を炉で熱すると、二酸化炭素CO2を出して、酸化カルシウム(生石灰)CaOになる。生石灰に水を加えると、発熱して水酸化カルシウム(消石灰)Ca(OH)2が得られる。
また、この消石灰を硬化剤として用いる本発明の内装薄付仕上塗材において、消石灰は5〜30wt%配合されることが望ましい。5wt%以下では表面強度が弱く、30wt%以上になると湿度調節機能が低下する。
[Slaked lime]
Limestone is made of sediments of organisms with shells and skeletons of CaCO 3 such as foraminifera, corals, bivalves, snails, lime algae, etc. When heated in a furnace, limestone emits carbon dioxide CO 2 . It becomes calcium oxide (quick lime) CaO. When water is added to quicklime, heat is generated and calcium hydroxide (slaked lime) Ca (OH) 2 is obtained.
Further, in the interior thin finish coating material of the present invention using this slaked lime as a curing agent, it is desirable that 5-30 wt% of slaked lime is blended. If it is 5 wt% or less, the surface strength is weak, and if it is 30 wt% or more, the humidity adjusting function is lowered.
尚、本発明の再乳化型水溶性樹脂を硬化剤とする内装薄付仕上塗材については、前記のシリカ又はシリカバルーンと再乳化型水溶性樹脂の割合を規準として、後述する他の成分の割合を検討し、特定した。
また、本発明の消石灰を硬化剤とする内装薄付仕上塗材についても、前記のシリカ又はシリカバルーンと消石灰の割合を規準として、後述する他の成分の割合を検討し、特定した。
The interior thin finish coating material using the re-emulsification type water-soluble resin of the present invention as a curing agent is based on the ratio of the silica or silica balloon and the re-emulsification type water-soluble resin, and other components described later. The proportion was examined and identified.
In addition, the interior thin finish coating material using the slaked lime of the present invention as a curing agent was also examined and specified based on the ratio of silica or silica balloon and slaked lime as described above.
〔無機質粉体〕
無機質粉体は、粒径約100μm以下の公知の仕上げ塗材に用いられる各種の無機質粉体を用いることができ、例えばドロマイトプラスター、炭酸カルシウム粉末、クレー等を使用すればよい。
再乳化型水溶性樹脂を硬化剤として用いる本発明の内装薄付仕上塗材においても、消石灰を硬化剤として用いる本発明の内装薄付仕上塗材においても、この無機質粉体は5〜40wt%の範囲で使用することができ、好ましくは10〜30wt%がよく、作業性、表面強度、調湿性を考慮し、決定すればよい。
[Inorganic powder]
As the inorganic powder, various inorganic powders used for known finishing coating materials having a particle diameter of about 100 μm or less can be used. For example, dolomite plaster, calcium carbonate powder, clay, or the like may be used.
Even in the interior thin finish coating material of the present invention using a re-emulsification type water-soluble resin as a curing agent, and in the interior thin finish coating material of the present invention using slaked lime as a curing agent, this inorganic powder is 5 to 40 wt%. 10 to 30 wt% is preferable, and it may be determined in consideration of workability, surface strength, and humidity control properties.
〔骨材〕
骨材は、粒径約1.2mm以下の公知の仕上げ塗材に用いられる各種の骨材を用いることができ、例えばゼオライト、炭酸カルシウム等を使用すればよい。
再乳化型水溶性樹脂を硬化剤として用いる本発明の内装薄付仕上塗材において、この骨材は10〜75wt%配合されることが望ましい。10wt%以下では臭いを吸着する機能および調湿性能、各種デザインによる表面仕上げ施工性が悪く、75wt%以上になると施工性が悪くなる。
消石灰を硬化剤として用いる本発明の内装薄付仕上塗材において、この骨材は10〜60wt%配合されることが望ましい。10wt%以下では臭いを吸着する機能および調湿性能、各種デザインによる表面仕上げ施工性が悪く、60wt%以上になると施工性が悪くなる。
〔aggregate〕
As the aggregate, various aggregates used in known finish coating materials having a particle size of about 1.2 mm or less can be used. For example, zeolite, calcium carbonate, or the like may be used.
In the interior thin finish coating material of the present invention using a re-emulsification type water-soluble resin as a curing agent, the aggregate is desirably blended in an amount of 10 to 75 wt%. If it is 10 wt% or less, the function of adsorbing odor, humidity control performance, and surface finish workability by various designs are bad, and if it is 75 wt% or more, workability is bad.
In the interior thin finish coating material of the present invention using slaked lime as a curing agent, the aggregate is desirably blended in an amount of 10 to 60 wt%. If it is 10 wt% or less, the function of adsorbing odor, humidity control performance, and surface finish workability by various designs are bad, and if it is 60 wt% or more, workability is bad.
〔増粘剤〕
増粘剤は、公知の仕上げ塗材に用いられる各種の増粘剤を用いることができ、例えばメチルセルロース、カルボキシルメチルセルロース等の合成高分子質あるいは海藻類等の天然高分子物質から選ばれる1種類以上の水溶性増粘剤を使用することができる。この水溶性増粘剤は、こて塗り作業性を向上する効果をもたらし、接着性を向上するものも多い。また、合成有機材料よりも植物等から得られた天然有機物を用いるようにしてもよい。
この水溶性増粘剤の選定に当たっては消石灰の凝結に影響を与えるものは避け、施工時の作業性、仕上がり状態を考慮し、1種類あるいは2種類以上を適宜に選定して使用することにより、流動性および粘性を任意に制御することができる。
再乳化型水溶性樹脂を硬化剤として用いる本発明の内装薄付仕上塗材において、この増粘剤は0.5〜10wt%配合されることが望ましい。0.5wt%以下では十分な粘性が得られず、多種のデザインによる表面仕上げ施工性が悪く、また、保水性能も劣る。10wt%以上になると作業性、仕上げ精度、さらには施工後に乾燥も悪くなる。
消石灰を硬化剤として用いる本発明の内装薄付仕上塗材において、この増粘剤は0.5〜7wt%配合されることが望ましい。0.5wt%以下では十分な粘性が得られず、多種のデザインによる表面仕上げ施工性が悪く、また、保水性能も劣る。7wt%以上になると作業性、仕上げ精度、さらには施工後の乾燥も悪くなる。
[Thickener]
As the thickener, various thickeners used in known finish coating materials can be used. For example, one or more kinds selected from synthetic polymer such as methylcellulose and carboxymethylcellulose or natural polymer such as seaweed. Water-soluble thickeners can be used. This water-soluble thickener has the effect of improving the troweling workability, and many improve the adhesiveness. Moreover, you may make it use the natural organic substance obtained from the plant etc. rather than the synthetic organic material.
In selecting this water-soluble thickener, avoid those that affect the setting of slaked lime, considering the workability at the time of construction, the finished state, by selecting one or more types as appropriate, Flowability and viscosity can be arbitrarily controlled.
In the interior thin finish coating material of the present invention using a re-emulsifying water-soluble resin as a curing agent, it is desirable that 0.5 to 10 wt% of this thickener is blended. If it is 0.5 wt% or less, sufficient viscosity cannot be obtained, surface finishing workability by various designs is poor, and water retention performance is also poor. When it becomes 10 wt% or more, workability, finishing accuracy, and drying after construction deteriorate.
In the interior thin finish coating material of the present invention using slaked lime as a curing agent, it is desirable that this thickener is blended in an amount of 0.5 to 7 wt%. If it is 0.5 wt% or less, sufficient viscosity cannot be obtained, surface finishing workability by various designs is poor, and water retention performance is also poor. When it becomes 7 wt% or more, workability, finishing accuracy, and drying after construction also deteriorate.
〔有機質繊維〕
有機質繊維は、粘性の改良のために添加されるものであって、公知の仕上げ塗材に用いられる各種の有機質繊維を用いることができる。
再乳化型水溶性樹脂を硬化剤として用いる本発明の内装薄付仕上塗材においても、消石灰を硬化剤として用いる本発明の内装薄付仕上塗材においても、この有機質繊維は1〜3wt%配合されることが望ましい。1wt%以下では、保水性能が劣り、3wt%以上になると表面状態が悪く、多種のデザインによる表面仕上げ施工性が悪い。
[Organic fiber]
The organic fibers are added for improving the viscosity, and various organic fibers used in known finish coating materials can be used.
Even in the interior thin finish coating material of the present invention using a re-emulsification type water-soluble resin as a curing agent, and in the interior thin finish coating material of the present invention using slaked lime as a curing agent, this organic fiber is blended in an amount of 1 to 3 wt%. It is desirable that If it is 1 wt% or less, the water retention performance is inferior, and if it is 3 wt% or more, the surface condition is bad, and the surface finish workability by various designs is bad.
〔顔料〕
顔料は、公知の仕上げ塗材に用いられる各種の顔料を用いることができる。
再乳化型水溶性樹脂を硬化剤として用いる本発明の内装薄付仕上塗材においても、消石灰を硬化剤として用いる本発明の内装薄付仕上塗材においても、この顔料は適宜2wt%以下で配合されることが望ましく、2wt%以上入ると作業性が悪くなる。また、各種色味をつけることによって意匠性も向上する。
[Pigment]
As the pigment, various pigments used in known finish coating materials can be used.
In the interior thin finish coating material of the present invention using a re-emulsification type water-soluble resin as a curing agent, and in the interior thin finish coating material of the present invention using slaked lime as a curing agent, this pigment is appropriately blended at 2 wt% or less. Desirably, workability deteriorates when 2 wt% or more is added. Moreover, the designability is improved by adding various colors.
〔ワラスサ〕
ワラスサは、公知の仕上げ塗材に用いられる各種のワラスサを用いることができる。
再乳化型水溶性樹脂を硬化剤として用いる本発明の内装薄付仕上塗材においても、消石灰を硬化剤として用いる本発明の内装薄付仕上塗材においても、このワラスサは適宜2wt%以下で配合されることが望ましく、2wt%以上入ると作業性が悪くなる。テクスチャーの幅を広げることが出来、また、ワラスサを添加することで、ひび割れを防ぐ効果もある。
[Wallacea]
As the wallacesa, various kinds of wallacesa used in known finish coating materials can be used.
Even in the interior thin finish coating material of the present invention using a re-emulsification type water-soluble resin as a curing agent, and in the interior thin finish coating material of the present invention using slaked lime as a curing agent, this wallacesa is appropriately blended at 2 wt% or less. Desirably, workability deteriorates when 2 wt% or more is added. The width of the texture can be widened, and the addition of a wallacet has the effect of preventing cracks.
〔その他〕
作業性を良くするために作業性改良材や、防カビ性能を付与するために天然のホウ酸カルシウム(コレマナイト)を併用して用いても良い。また、VOCを吸着固定するためにVOC吸着剤を混合、併用しても良い。
また、硬化剤として用いる再乳化型以外の水溶性樹脂を、保水剤として、或いは接着補助剤として用いてもよい。この再乳化型以外の水溶性樹脂は、消石灰を硬化剤として用いる内装薄付仕上塗材において、0.1〜5wt%配合されることが望ましい。0.1wt%に満たないと保水性能を保つことが難しく、5wt%を越えると透湿性能が低下する。
これらの保水剤又は接着補助剤として用いる水溶性樹脂としては、メチルセルロース、カルボキシルメチルセルロース、ポリビニルアルコール等の合成高分子質あるいは澱粉類、海藻類等の天然高分子物質を用いる。
[Others]
In order to improve workability, a workability improving material or natural calcium borate (colemanite) may be used in combination to impart antifungal performance. Further, a VOC adsorbent may be mixed and used in combination in order to adsorb and fix the VOC.
Moreover, you may use water-soluble resins other than the re-emulsification type used as a hardening | curing agent as a water retention agent, or as an adhesion aid. The water-soluble resin other than the re-emulsifying type is desirably blended in an amount of 0.1 to 5 wt% in the interior thin finish coating material using slaked lime as a curing agent. If it is less than 0.1 wt%, it is difficult to maintain the water retention performance, and if it exceeds 5 wt%, the moisture permeability performance is lowered.
As water-soluble resins used as these water retention agents or adhesion aids, synthetic polymer materials such as methyl cellulose, carboxymethyl cellulose, and polyvinyl alcohol, or natural polymer materials such as starches and seaweeds are used.
本発明の内装薄付仕上塗材は、前記各材料を、前記の特定の組成範囲にて含有することにより、硬化剤として消石灰又は再乳化型水溶性樹脂を用いて壁材にすることができ、塗り壁面を平滑にするテクスチャーに適用することもできる。 The interior thin finish coating material of the present invention can be made into a wall material using slaked lime or a re-emulsifiable water-soluble resin as a curing agent by containing each of the above materials in the specific composition range. It can also be applied to a texture that smoothes the painted wall.
そして、本発明の再乳化型水溶性樹脂を硬化剤として用いる内装薄付仕上塗材は、前記のようにシラス又はシラスバルーン3〜7wt%、再乳化型水溶性樹脂2〜10wt%、無機質粉体5〜40wt%、骨材10〜75wt%、増粘剤0.5〜10wt%、有機質繊維1〜3wt%を含有するものであって、これらの乾燥状態のものを調合し、撹拌し、製造する。
上記の範囲を外れた場合には、壁材とすることが困難であり、特に塗り壁面を平滑にするテクスチャーにはコテ滑りが悪く、水引が早く、硬化速度が遅いものとなる。
より好ましくはシラス又はシラスバルーン3〜5wt%、再乳化型水溶性樹脂2〜3wt%、無機質粉体18〜22wt%、骨材68〜72wt%、増粘剤0.5〜2wt%、有機質繊維2〜3wt%である。
さらに好ましくはシラスバルーン3.5〜4.5wt%、再乳化型水溶性樹脂2.3〜2.7wt%、無機質粉体19〜21wt%、骨材69〜71wt%、増粘剤0.8〜1.2wt%、有機質繊維2.3〜2.7wt%である。
And the interior thin finish coating material using the re-emulsification type water-soluble resin of the present invention as a curing agent is Shirasu or Shirasu balloon 3-7 wt%, re-emulsification type water-soluble resin 2-10 wt%, inorganic powder as described above 5 to 40 wt% body, 10 to 75 wt% aggregate, 0.5 to 10 wt% thickener, 1 to 3 wt% organic fiber, these dried ones were prepared and stirred, To manufacture.
When it is out of the above range, it is difficult to obtain a wall material. Particularly, a texture that smoothes the coated wall surface has poor iron slip, quick watering, and slow curing speed.
More preferably, Shirasu or Shirasu balloon 3 to 5 wt%, re-emulsifying water-soluble resin 2 to 3 wt%, inorganic powder 18 to 22 wt%, aggregate 68 to 72 wt%, thickener 0.5 to 2 wt%, organic fiber 2 to 3 wt%.
More preferably, Shirasu balloon 3.5-4.5 wt%, re-emulsifying water-soluble resin 2.3-2.7 wt%, inorganic powder 19-21 wt%, aggregate 69-71 wt%, thickener 0.8 -1.2 wt% and organic fiber 2.3-2.7 wt%.
また、本発明の消石灰を硬化剤として用いる内装薄付仕上塗材は、前記のようにシラス又はシラスバルーン5〜20wt%、消石灰5〜30wt%、無機質粉体5〜40wt%、骨材10〜60wt%、増粘剤0.5〜7wt%、有機質繊維1〜3wt%を含有するものであって、これらの乾燥状態のものを調合し、撹拌し、製造する。
上記の範囲を外れた場合には、壁材とすることが困難となり、特に塗り壁面を平滑にするテクスチャーにはコテ滑りが悪く、水引が早く、硬化速度が遅いものとなる。
より好ましくはシラス又はシラスバルーン6〜10wt%、消石灰25〜30wt%、無機質粉体20〜25wt%、骨材29〜34wt%、増粘剤4〜6.5wt%、有機質繊維1〜2wt%である。
さらに好ましくはシラス又はシラスバルーン8〜9.5wt%、消石灰27〜29wt%、無機質粉体22〜24wt%、骨材30〜33wt%、増粘剤5〜6wt%、有機質繊維1.2〜1.7wt%である。
Moreover, the interior thin finish coating material using the slaked lime of the present invention as a curing agent is Shirasu or Shirasu balloon 5-20 wt%, slaked lime 5-30 wt%, inorganic powder 5-40 wt%, aggregate 10 It contains 60 wt%, thickener 0.5-7 wt%, and organic fiber 1-3 wt%, and those in a dry state are prepared, stirred, and manufactured.
When it is out of the above range, it becomes difficult to obtain a wall material, and particularly the texture that smoothes the coated wall surface has poor iron slip, fast watering, and slow curing speed.
More preferably, Shirasu or Shirasu balloon 6 to 10 wt%, slaked lime 25 to 30 wt%, inorganic powder 20 to 25 wt%, aggregate 29 to 34 wt%, thickener 4 to 6.5 wt%, organic fiber 1 to 2 wt% is there.
More preferably, Shirasu or Shirasu balloon 8 to 9.5 wt%, slaked lime 27 to 29 wt%, inorganic powder 22 to 24 wt%, aggregate 30 to 33 wt%, thickener 5 to 6 wt%, organic fiber 1.2 to 1 0.7 wt%.
本発明の調質性を有する内装薄付け仕上用塗材が、JIS A 6909建築用仕上塗材の性能を満たすことについては説明したが、JIS A 6909建築用仕上塗材の性能とは以下の表3のとおりである。また、マイナスイオン発生量測定結果を表4に示す。
表8及び表9に示す組成割合にて、実施例A,B及び比較例1〜10の内装薄付仕上塗材を作成し、作業性、表面強度、水もちについて以下のように試験、評価した。 In the composition ratios shown in Tables 8 and 9, the interior thin finish coating materials of Examples A and B and Comparative Examples 1 to 10 were prepared, and the workability, surface strength, and moisture were tested and evaluated as follows. did.
〔作業性〕
作業性確認方法は本発明の調湿性を有する内装薄付仕上塗材に水を加えて混練し、下地の上に塗付け、各種デザインによる表面仕上加工が可能であるか否か,また、作業時の粘性の強さ,こての切れ具合の確認をする。材料の水もちも影響する。
評価指標を下表5に示す。
The workability confirmation method is whether or not surface finish processing by various designs is possible by adding water to the interior thin finish coating material having humidity control of the present invention, kneading and coating on the base, Check the viscosity of the hour and how the trowel is broken. It also affects the water and moisture of the material.
The evaluation index is shown in Table 5 below.
〔表面強度〕
表面強度の確認方法としては、JIS A 6909の耐衝撃性試験および耐摩耗性試験を行い、判定するものとする。評価指標を下表6に示す。
As a method for confirming the surface strength, an impact resistance test and an abrasion resistance test according to JIS A 6909 are performed and determined. The evaluation index is shown in Table 6 below.
〔水もち〕
水もちの確認方法としては本発明の調湿性を有する内装薄付仕上塗材に水を加えて混練し、下地の上に塗付け、各種デザインによる表面仕上加工が可能な時間、水分を保持することができるか。広い面積の壁面を施工する際、水の引きが早すぎて作業に追われることはないか等の確認をする。評価指標を下表7に示す。
As a method for confirming the moisture, water is added to the interior thin finish coating material having humidity control according to the present invention, kneaded, applied on the base, and retains moisture for a period of time during which surface finishing can be performed by various designs. Can you? When constructing a wall with a large area, make sure that the water is drawn too quickly to be chased by the work. The evaluation index is shown in Table 7 below.
〔組成割合及び試験結果〕
〔考察〕
表8,9より、本発明の特定の組成範囲を満足する実施例A,Bでは、作業性、表面強度、水もちの何れの試験においても満足する結果が得られた。これに対し、構成原材料自体は同じであっても、幾つかの成分が本発明の特定の組成範囲から外れる比較例1〜10では、作業性、表面強度、水もちの何れかにおいて満足できない結果となった。
尚、表8,9には記載していないが、同表中の実施例A,Bは、前記表3の性能を示し、前記表4のマイナスイオン発生作用を備えていることを確認した。
[Discussion]
From Tables 8 and 9, in Examples A and B that satisfy the specific composition range of the present invention, satisfactory results were obtained in any of the tests of workability, surface strength, and water. On the other hand, even if the constituent raw materials themselves are the same, in Comparative Examples 1 to 10 in which some components deviate from the specific composition range of the present invention, the results are unsatisfactory in any of workability, surface strength, and water content. It became.
Although not described in Tables 8 and 9, Examples A and B in the same table showed the performance of Table 3 and confirmed that the negative ion generation action of Table 4 was provided.
[実施例1]
平成18年7月 岡山県真庭市勝山 木造 1戸建、1階部分リビング 66m2において、シラスを使用し、再乳化型水溶性樹脂を硬化剤に使用した内装薄付仕上塗材である表8に示した実施例Aの組成に水を加えて混練し、厚さ1〜2mmの内装薄付仕上壁材を施工した。
内装薄付仕上壁材は作業性も良く、施工後3ヶ月経過したが、湿度も安定し(調湿機能がある)、匂いも部屋に残りづらく、以前より住み良い住環境であると評価された。また、割れ、剥離等も発生していない。
[Example 1]
July 2006 Katsuyama, Maniwa City, Okayama Prefecture, wooden, single-family, 1st floor living room 66m 2 is a thin finish coating material that uses shirasu and re-emulsifiable water-soluble resin as a curing agent. Water was added to the composition of Example A shown in FIG. 5 and kneaded to construct an interior thin finish wall material having a thickness of 1 to 2 mm.
The interior thin finish wall material has good workability and 3 months have passed since construction, but the humidity is stable (with humidity control function) and the odor does not remain in the room, making it a better living environment than before. It was. Moreover, neither cracking nor peeling occurred.
[実施例2]
平成18年8月 横浜市磯子区洋光台 RC造10階立て、集合住宅 洋室 30m2において、シラスを使用し、再乳化型水溶性樹脂を硬化剤に使用した内装薄付仕上塗材である表8に示した実施例Aの組成に水を加えて混練し、厚さ1〜2mmの内装薄付仕上壁材を施工した。
内装薄付仕上壁材は作業性も良く、施工後2ヶ月経過したが、湿度も安定し(調湿機能がある)、匂いも部屋に残りづらく、以前より住み良い住環境であると評価された。また、割れ、剥離等も発生していなかった。
[Example 2]
August 2006 Yokodai, Yokohama-shi Yokodai, RC, 10 stories, apartment house, Western-style room 30m 2 is a thin finish coating material that uses shirasu and re-emulsified water-soluble resin as a curing agent. Water was added to the composition of Example A shown in FIG. 5 and kneaded to construct an interior thin finish wall material having a thickness of 1 to 2 mm.
The interior thin finish wall material has good workability, 2 months have passed since construction, but the humidity is stable (with humidity control function) and the odor is less likely to remain in the room, which is evaluated as a better living environment than before. It was. Moreover, neither cracking nor peeling occurred.
[実施例3]
平成18年9月 岡山県真庭市湯原 RC造5階建の和室 132m2において、シラスを使用し、石灰を硬化剤に使用した内装薄付仕上塗材である表9に示した実施例Bの組成に水を加えて混練し、厚さ1〜3mmの内装薄付仕上壁材を施工した。
内装薄付仕上壁材は作業性も良く、施工後1ヶ月経過したが、湿度も安定し、快適な環境であると評価された。また、割れ、剥離等も発生していなかった。
[Example 3]
September 2006 Yubara, Maniwa-shi, Okayama Prefecture, 5-story Japanese-style room 132m 2 in Shirasu and lime as a hardener. Water was added to the composition and kneaded to construct an interior thin finish wall material having a thickness of 1 to 3 mm.
The interior thin finish wall material has good workability and 1 month has passed since construction, but the humidity was stable and it was evaluated as a comfortable environment. Moreover, neither cracking nor peeling occurred.
[実施例4]
平成18年9月 岡山県真庭市湯原 RC造5階建の和室 20m2において、シラスを使用し、消石灰を硬化剤に使用した内装薄付仕上塗材である表9に示した実施例Bの組成に水を加えて混練し、厚さ1〜3mmの内装薄付仕上壁材を施工した。
内装薄付仕上壁材は作業性も良く、施工後1ヶ月経過したが、湿度も安定し、快適な環境であると評価された。また、割れ、剥離等も発生していなかった。
[Example 4]
September 2006 Yubara, Maniwa City, Okayama Prefecture, RC, 5 stories, Japanese style room 20m 2 of shirasu and slaked lime as a hardener. Water was added to the composition and kneaded to construct an interior thin finish wall material having a thickness of 1 to 3 mm.
The interior thin finish wall material has good workability and 1 month has passed since construction, but the humidity was stable and it was evaluated as a comfortable environment. Moreover, neither cracking nor peeling occurred.
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