JP2004182918A - Coating composition for wooden material - Google Patents

Coating composition for wooden material Download PDF

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Publication number
JP2004182918A
JP2004182918A JP2002353439A JP2002353439A JP2004182918A JP 2004182918 A JP2004182918 A JP 2004182918A JP 2002353439 A JP2002353439 A JP 2002353439A JP 2002353439 A JP2002353439 A JP 2002353439A JP 2004182918 A JP2004182918 A JP 2004182918A
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Japan
Prior art keywords
coating
negative air
coating composition
air ions
wooden
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JP2002353439A
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Japanese (ja)
Inventor
Haruhiko Murakami
晴彦 村上
Takashi Tange
孝 丹下
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Sekaicho Rubber Co Ltd
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Sekaicho Rubber Co Ltd
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Priority to JP2002353439A priority Critical patent/JP2004182918A/en
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Abstract

<P>PROBLEM TO BE SOLVED: To provide a coating composition for a wooden material, capable of generating negative air ions efficiently from the coated surface applied on the wooden material. <P>SOLUTION: This coating composition for the wooden material is provided by consisting of a coating for the wooden material as a main component, and mixing a polymer hardly charged with static electricity, a mineral containing rare elements and far infrared ceramics with it, and applying the mixture on a part of or whole surface. By coating the wooden interior constructing materials, it becomes possible to supply the negative air ions into the space of a room and to provide a comfortable space of the room. Further, by applying on wooden furniture, office supplies, etc., it is possible to utilize the effect of the negative air ions locally. <P>COPYRIGHT: (C)2004,JPO&NCIPI

Description

【0001】
【産業上の利用分野】
本発明は、木質材料用塗料組成物に関する。詳しくは、木質材料用の塗工に供し、塗工表面よりマイナス空気イオンを効率よく発生させることを可能とした塗料組成物に関する。
【0002】
【従来の技術】近年、住宅建築物において、省力エネルギ−を主たる目的として高気密化・高断熱化が図られているが、その結果として、換気不足に起因する室内空気環境の悪化のみならず、建材から発生するホルムアルデヒド、揮発性有機化合物、防炎剤、防虫剤等の室内濃度が高くなり、シックハウス症候群や化学物質過敏症で健康を害する人が急増している。この対策として、空気清浄機等を利用した空調システムの活用や、局所的に乾燥剤や吸着剤を配置する等の手段で、居住空間の環境改善が図られている。しかし、空調システムの設置・運転に要するコストは決して低いものといえず、また乾燥剤や吸着剤の効果についても決して十分とはいえない。
【0003】マイナス空気イオンの存在が、人体に対して精神上のみならず、生理上も好影響を与えることが一般に知られてきている。また、マイナス空気イオンが抗菌・防カビ性や臭気分解性を有していることも一般に知られてきている。
この点に着目して、マイナス空気イオン発生機能を有するエアコンや空気清浄機等の空調システムが提案されている。しかし、これらの空調システムは安価でなく、またマイナス空気イオンの発生もその機器の運転中に限られ、常時マイナス空気イオン環境に置かれているわけではない。
一方、トルマリン、炭などを配合した組成物によってマイナス空気イオンの定常的な発生を図る手段も提案されているが、トルマリン、炭は、熱・圧力等の外部要因を受けなければマイナス空気イオンを生成することができず、また、そのマイナス空気イオンの生成量も多くなく、十分なマイナス空気イオン環境を作るとは言い難い。
また、近年における人々の健康はもとより快適な生活、或いは職場や仕事場の環境保護は、建築の狭い分野の特殊技術としてではなく、例えば現実に人々の生活環境に悪影響を及ぼす建造物壁材等でのホルマリン含有建材等の住居環境或いは性能のごとき幅広い身近な問題として対応が必要となってきている。
【0004】
【発明が解決しようとする課題】マイナス空気イオンを生成する塗料組成物として、特開平11−279445号公報において、合成樹脂塗料に電気石粉を配合することが開示されている。しかし、電気石によるマイナス空気イオンの生成は熱・圧力等の外部要因によるものであり、定常的なイオン発生は望めず、またその発生量も決して十分とはいえない。
【0005】特開2000−319587公報において、ポリアミド樹脂に木炭粉末、トルマリン粉末を配合した塗料組成物が開示されている。しかし、この組成物は、主として木炭による吸着性を利用した環境改善であり、またトルマリンによるマイナス空気イオンの生成は、熱・圧力等の外部要因によるものであり、定常的なイオン発生を望めず、その発生量も決して十分とはいえない。
【0006】特開2001−303752号公報において、電気伝導性を有する塗料成分に、電気石及び/又はガ−ネット等を含む鉱物を配合した塗料組成物が開示されている。しかし、この組成物においては、電気伝導性を付与するために余分のコストを必要とし、イオンの発生量も決して十分とはいえない。
【0007】特開2002−147002号公報において、トルマリン鉱石微粉末を、上塗り塗料に配合した塗料組成物が開示されている。しかし、この組成物においても、トルマリンによるマイナス空気イオンの生成は、熱・圧力等の外部要因によるものであり、定常的なイオン発生は望めず、またその発生量も決して十分とはいえない。
【0008】出願人も、特開2002−12827号公報で、希有元素類を含む鉱物及び少なくともトルマリン若しくは遠赤外線セラミックスのいずれか一方を体質顔料として含むマイナスイオンを放出する塗材及び塗工した塗装部材について提案しており、壁、天井等の既構築部材やカ−テン、椅子等の調度品やエアコン等の噴き出し口、冷蔵庫の内壁等の表面に塗布またはスプレ−する塗材及び塗装部材である。また、特開2001−234595号には、静電気に帯電しにくい高分子化合物、並びに希有元素類を含む鉱物、及び少なくともトルマリン若しくは遠赤外線セラミックスのいずれか一方を含有した樹脂組成物を塗布又は層着した室内用建材を提案している。
しかし上記提案では、いずれもマイナス空気イオンを放出する技術思想が記載されているが、特に成長中樹幹の部分で比重も異なり、強さも比重に比例して大きく、吸湿で機械的強さの低下の他、熱伝導率は乾燥と含有水分で顕著に違い、電気に対する性質でも気乾材では電気の不良導体等の各種性質を備えた木質材料用塗料について、その組み合わせ並びに顕著な特有の効果につき具体的に開示されていない。
【0009】本発明は、木質材料用の塗工に供する塗料組成物であって、木質材料用塗料を主成分とし、前記塗料に静電気に帯電しにくい高分子化合物、並びに希有元素類を含む鉱物、及び遠赤外線セラミックスを含有した混和物を一部分及び/又は全面に塗布又は層着し、マイナス空気イオンを放出すると同時に、遠赤外線を放射することを特徴とする木質材料用塗料組成物であり、多量のマイナス空気イオンを効率よく発生させる塗料組成物を提供することにより、上記の問題を解決し、快適な居住環境を提供することを目的とする。
【0010】
【課題を解決するための手段】本発明者は、上記の問題を解決する手段として、鋭意検討の結果、特定の樹脂に対して、希土類元素、ウラン、トリウム等放射性元素等の希有元素類を含む鉱物と遠赤外線セラミックスとを混合することによって、プラス空気イオンの発生を抑制すると共にマイナス空気イオンの発生をより増加させることができるとの知見を得た。さらに、この塗料組成物を特に木質系材料に塗工することにより、マイナ空気イオンの発生量がさらに増加することを見出し、本発明を完成するに至った。
木質系材料に塗工することにより、マイナス空気イオンの発生量が増加する理由についてはその機構は不明であるが、木質系材料の構造や組織(多孔性、セルロ−ス、組織に含まれる水分等)に起因するものではないかと推定される。
【0011】
【実施の態様】本発明では上記の問題点を解消する為、次のような構成とする。
【0012】本発明において、特定の樹脂とは、難帯電性高分子化合物、或いは励起促進作用を有する高分子化合物をいい、樹脂単独、或いは高分子化合物に難帯電性、若しくは励起促進作用を付与する処理を施すことにより、アクリル系樹脂、ウレタン系樹脂そのた通常使用される塗料用樹脂(ニス、ラッカ−、及び漆等の天然材料を含む)が使用可能である。
塗料は、常温硬化型の1液または2液反応型塗料、焼き付け硬化型塗料、紫外線硬化型塗料等の形態で供給される。また、塗工方法は、刷毛塗り、ロ−ラ−塗り、スプレ−塗装など通常の方法がそのまま採用できる。
【0013】本発明で使用する希有元素類を含む鉱物として、モナズ石、バストネス石、ゼノタイム、コルンブ石、サマルスキ−石、ユ−クセン石、ウラン鉱等が挙げられる。粒径としては、0.1ミクロン〜1mmに粉砕したものを使用することができるが、樹脂との混合の容易さ・分散性等の面より、10ミクロン前後の粉体を使用することがより好ましい。天然鉱石の他、合成のセラミックスを用いることも可能であり、両者の混合物を使用することもまた可能である。
【0014】本発明おいて使用される遠赤外線セラミックスの成分として、アルミナ、シリカ、酸化ナトリウム、酸化鉄などの混合物を用いることができる。市販品の遠赤外線セラミックスとして、「商品名 セラジット オ−ケ−トレ−ディング社製)」があり、イオンを増幅し、同時に遠赤外線を高放射するうえで有利である。
【0015】本発明に係る塗料組成物は、木質系の家具類(タンス、テ−ブル、ベッド等)、小物類(壁飾り、置物、電話台等)、雑貨類(木質系ブラインド等の事務用品、マウスパッド等のデスク用品他)、漆器類(椀、箸、柄、木鉢、工芸品他)等に塗布することで、マイナス空気イオンの作用を利用することができる。また、これらの室内装置品、備品、事務用品、デスク用品等の上塗り塗料に配合した塗料組成物として利用し、局所的にマイナス空気イオンの作用により、室内空間に定常的にマイナス空気イオンを供給できるように働く。
【0016】以下に実施例を挙げて説明する。
【実施例1】
木工用2液型ウレタン上塗り塗料主剤100重量部に、モナズ石粉末(平均粒径10ミクロン)6.5部、遠赤外線セラミックス(セラジットALF9、平均粒径10ミクロン,オ−ケ−トレ−ディング社製)0.5部をミキサ−にて混合し、A液を得た。
得られたA液107重量部に対し、硬化剤25部、及び粘度調整材として、シンナ−40部を加えて混合し、エア−スプレ−により、20cm角ナラ突き板合板に1回当たり50g/mで、2回塗布して試験体とした。
得られた試験体を、ユニバ−サル企画社製 IC−1000、および神戸電波社製 KST−900を用いて、平均マイナス空気イオン生成数を測定した。
その結果は、IC−1000については、4570個/cc、KST−900については、205個/ccであった。
【0017】
【発明の効果】本塗料組成物を木質内装建築材料に塗工することにより、室内空間に定常的にマイナス空気イオンの供給が可能となり、快適な室内空間を提供することができる。
さらに、木質系の家具類(タンス、テ−ブル、ベッド等)、小物類(壁飾り、置物、電話台等)、雑貨類(木質系ブラインド等の事務用品、マウスパッド等のデスク用品他)、漆器類(椀、箸、柄、木鉢、工芸品他)等に塗布することで、身体により近い部分で、局所的にマイナス空気イオンの作用を利用することも可能である。
【0018】本塗料組成物においては、空気浄化に効果のあるマイナス空気イオンの生成のみならず、身体に好影響を与える小イオンも生成されており、活性酸素の抑制、血流良化、細胞の活性化による体力の維持、アレルギ−体質やアトピ−症状の改善等に効果を奏する。
[0001]
[Industrial applications]
The present invention relates to a coating composition for wood materials. More specifically, the present invention relates to a coating composition that is used for coating wood materials and is capable of efficiently generating negative air ions from the coating surface.
[0002]
2. Description of the Related Art In recent years, high airtightness and high heat insulation have been attempted in residential buildings with the main purpose of saving energy. The indoor concentration of formaldehyde, volatile organic compounds, flame retardants, insect repellents, and the like generated from building materials has increased, and the number of people who have harm to their health due to sick house syndrome and chemical sensitivity is rapidly increasing. As a countermeasure, the environment of the living space is improved by using an air conditioning system using an air purifier or the like, or by locally disposing a desiccant or an adsorbent. However, the cost required for installation and operation of the air conditioning system cannot be said to be low, and the effects of the desiccant and the adsorbent are not sufficient.
It is generally known that the presence of negative air ions has a positive effect on the human body not only mentally but also physiologically. It is also generally known that negative air ions have antibacterial / antifungal properties and odor decomposition properties.
Focusing on this point, air conditioning systems such as air conditioners and air purifiers having a negative air ion generation function have been proposed. However, these air-conditioning systems are not inexpensive, and the generation of negative air ions is limited during the operation of the equipment, and is not always placed in a negative air ion environment.
On the other hand, there has been proposed means for generating negative air ions constantly by using a composition containing tourmaline and charcoal.However, tourmaline and charcoal generate negative air ions if they are not subjected to external factors such as heat and pressure. It cannot be generated, and the amount of the generated negative air ions is not large, and it is hard to say that a sufficient negative air ion environment is created.
Also, in recent years, not only the health of people but also the comfortable life, or the environmental protection of workplaces and workplaces, is not a special technology in the narrow field of architecture, but rather, for example, with building wall materials that actually adversely affect people's living environment. There is a need to address a wide range of familiar problems such as the residential environment and performance of formalin-containing building materials.
[0004]
As a coating composition for generating negative air ions, Japanese Patent Application Laid-Open No. H11-279445 discloses that an electric stone powder is mixed with a synthetic resin coating. However, the generation of negative air ions by tourmaline is due to external factors such as heat and pressure, so that steady ion generation cannot be expected, and the amount of generated ions is by no means sufficient.
[0005] JP-A-2000-319587 discloses a coating composition in which a charcoal powder and a tourmaline powder are blended with a polyamide resin. However, this composition is mainly an environmental improvement utilizing the adsorptivity of charcoal, and the generation of negative air ions by tourmaline is due to external factors such as heat and pressure, and it is not possible to expect steady ion generation. However, its generation is not enough.
[0006] Japanese Patent Application Laid-Open No. 2001-303752 discloses a coating composition in which a mineral containing tourmaline and / or garnet is mixed with a coating component having electric conductivity. However, in this composition, extra cost is required to impart electrical conductivity, and the amount of generated ions is not sufficient.
Japanese Patent Application Laid-Open No. 2002-147002 discloses a coating composition in which tourmaline ore fine powder is mixed into a top coating. However, even in this composition, the formation of negative air ions by tourmaline is due to external factors such as heat and pressure, so that steady generation of ions cannot be expected, and the amount of generated ions is by no means sufficient.
[0008] The applicant also discloses in Japanese Patent Application Laid-Open No. 2002-12827 a coating material that releases a negative ion containing a mineral containing a rare element and at least one of tourmaline and far-infrared ceramics as an extender, and a coated coating. It proposes components, such as pre-constructed components such as walls and ceilings, furniture such as curtains and chairs, outlets for air conditioners and the like, and coating materials and coating components that are applied or sprayed on the surface of the inner wall of refrigerators and the like is there. JP-A-2001-234595 discloses a method of coating or layering a polymer compound which is hardly charged by static electricity, a mineral containing a rare element, and a resin composition containing at least one of tourmaline and far-infrared ceramics. Has proposed a new building material for indoor use.
However, in the above proposals, although the technical idea of releasing all negative air ions is described, the specific gravity differs especially in the growing trunk, the strength is large in proportion to the specific gravity, and the mechanical strength decreases due to moisture absorption In addition, the thermal conductivity is remarkably different between drying and moisture content, and in the case of air-dried materials, wood-based paints with various properties such as poor conductors of electricity, etc. Not specifically disclosed.
The present invention relates to a coating composition for use in coating wood materials, which comprises a coating material for wood materials as a main component, a polymer compound which is hardly charged with static electricity, and a mineral containing rare elements. , And a coating composition for wood materials characterized by emitting far-infrared rays at the same time as applying or layering an admixture containing far-infrared ceramics on part and / or the entire surface and emitting negative air ions, An object of the present invention is to solve the above-mentioned problems and provide a comfortable living environment by providing a coating composition that efficiently generates a large amount of negative air ions.
[0010]
Means for Solving the Problems As a means for solving the above problems, the present inventors have conducted intensive studies and found that rare metals such as radioactive elements such as rare earth elements, uranium and thorium can be added to specific resins. It has been found that by mixing the minerals containing and the far-infrared ceramics, the generation of positive air ions can be suppressed and the generation of negative air ions can be further increased. Furthermore, it has been found that the amount of generated minor air ions is further increased by applying the coating composition to a wood-based material, and the present invention has been completed.
The mechanism of the increase in the amount of negative air ions generated by coating on the wood-based material is unknown, but the structure and texture of the wood-based material (porosity, cellulose, moisture contained in the tissue) are unknown. Etc.).
[0011]
DESCRIPTION OF THE PREFERRED EMBODIMENTS In the present invention, in order to solve the above problems, the following configuration is adopted.
In the present invention, the specific resin refers to a polymer compound having poor chargeability or an excitation promoting action, and a resin alone or imparting a charge preventing property or an excitation promoting action to the polymer compound. By performing such a treatment, acrylic resins, urethane resins, and commonly used coating resins (including natural materials such as varnish, lacquer, and lacquer) can be used.
The paint is supplied in the form of a one- or two-part reactive paint, a bake-curable paint, an ultraviolet-curable paint, or the like, which is a room temperature-curable type. As the coating method, a usual method such as brush coating, roller coating, spray coating and the like can be employed as it is.
The minerals containing rare elements used in the present invention include monazite, bustnessite, xenotime, columbite, samarskiite, juxenite and uranium ore. As the particle size, it is possible to use a powder crushed to 0.1 μm to 1 mm, but it is more preferable to use a powder of about 10 μm in terms of ease of mixing with a resin and dispersibility. preferable. In addition to natural ores, it is also possible to use synthetic ceramics, and it is also possible to use mixtures of both.
As a component of the far-infrared ceramic used in the present invention, a mixture of alumina, silica, sodium oxide, iron oxide and the like can be used. As a commercially available far-infrared ceramic, there is "Ceragit Oak Trading" (trade name), which is advantageous in amplifying ions and simultaneously emitting far-infrared rays.
[0015] The coating composition according to the present invention can be used for wood-based furniture (such as chests, tables, and beds), small articles (such as wall decorations, ornaments, and telephone stands), and miscellaneous goods (such as wood-based blinds). When applied to supplies, desk supplies such as mouse pads, etc.), lacquerware (bowl, chopsticks, patterns, wooden bowls, crafts, etc.), the action of negative air ions can be used. In addition, it is used as a paint composition mixed with these top coats for indoor equipment, fixtures, office supplies, desk supplies, etc., and supplies negative air ions constantly to the indoor space by the action of local negative air ions. Work to be able.
An example will be described below.
Embodiment 1
6.5 parts by weight of monazite powder (average particle size: 10 microns), far infrared ceramics (Ceragit ALF9, average particle size: 10 microns) by 100 parts by weight of a two-component urethane top coating material for woodworking. 0.5 part) was mixed with a mixer to obtain a solution A.
To 107 parts by weight of the obtained liquid A, 25 parts of a curing agent and 40 parts of thinner as a viscosity modifier were added and mixed. It was applied twice at m 2 to obtain a test body.
The average negative air ion generation number of the obtained test body was measured using IC-1000 manufactured by Universal Planning Co., Ltd. and KST-900 manufactured by Kobe Dempa Corporation.
The results were 4570 cells / cc for IC-1000 and 205 cells / cc for KST-900.
[0017]
The coating composition of the present invention is applied to a wooden interior building material, whereby negative air ions can be constantly supplied to the interior space, and a comfortable interior space can be provided.
In addition, wooden furniture (closet, table, bed, etc.), accessories (wall decoration, ornaments, telephone stand, etc.), miscellaneous goods (office supplies such as wooden blinds, desk supplies such as mouse pads, etc.) By applying it to lacquerware (bowl, chopsticks, patterns, wooden bowls, crafts, etc.), it is also possible to locally use the action of negative air ions in a part closer to the body.
In the coating composition of the present invention, not only negative air ions which are effective for air purification but also small ions which have a favorable effect on the body are generated. It is effective in maintaining physical strength by activating, improving allergic constitution and atopic symptoms.

Claims (1)

木質材料用の塗工に供する塗料組成物であって、木質材料用塗料を主成分とし、前記塗料に静電気に帯電しにくい高分子化合物、並びに希有元素類を含む鉱物、及び遠赤外線セラミックスを含有した混和物を一部分及び/又は全面に塗布又は層着し、マイナス空気イオンを放出すると同時に、遠赤外線を放射することを特徴とする木質材料用塗料組成物。A coating composition to be used for coating wood materials, the coating material being a wood material as a main component, and the coating material contains a polymer compound that is hardly charged by static electricity, a mineral containing rare elements, and far-infrared ceramics. A coating composition for wood materials, wherein the mixture is applied or layered on a part and / or the entire surface of the mixture and emits negative air ions and simultaneously emits far-infrared rays.
JP2002353439A 2002-12-05 2002-12-05 Coating composition for wooden material Pending JP2004182918A (en)

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2010095993A (en) * 2008-04-23 2010-04-30 Ishinoyu Co Ltd Indoor environment regulation system
CN106217571A (en) * 2016-08-28 2016-12-14 桐乡市美意家具有限公司 A kind of negative ionization processing method of wood furniture

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2010095993A (en) * 2008-04-23 2010-04-30 Ishinoyu Co Ltd Indoor environment regulation system
JP2010249508A (en) * 2008-04-23 2010-11-04 Ishinoyu Co Ltd Indoor environment regulation system
US8820651B2 (en) 2008-04-23 2014-09-02 Ishinoyu Co., Ltd. Indoor environment regulating system
CN106217571A (en) * 2016-08-28 2016-12-14 桐乡市美意家具有限公司 A kind of negative ionization processing method of wood furniture

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