JP6681058B2 - Paint repair method for frost damage of exterior missing parts formed by frost damage in building structures - Google Patents
Paint repair method for frost damage of exterior missing parts formed by frost damage in building structures Download PDFInfo
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- 238000000034 method Methods 0.000 title claims description 37
- 239000003973 paint Substances 0.000 title claims description 33
- 239000000463 material Substances 0.000 claims description 94
- 238000000576 coating method Methods 0.000 claims description 82
- 239000011248 coating agent Substances 0.000 claims description 77
- 229920005989 resin Polymers 0.000 claims description 40
- 239000011347 resin Substances 0.000 claims description 40
- 238000004040 coloring Methods 0.000 claims description 27
- 239000002987 primer (paints) Substances 0.000 claims description 25
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 17
- 230000007797 corrosion Effects 0.000 claims description 16
- 238000005260 corrosion Methods 0.000 claims description 16
- NIXOWILDQLNWCW-UHFFFAOYSA-N acrylic acid group Chemical group C(C=C)(=O)O NIXOWILDQLNWCW-UHFFFAOYSA-N 0.000 claims description 12
- 230000006866 deterioration Effects 0.000 claims description 12
- JOYRKODLDBILNP-UHFFFAOYSA-N Ethyl urethane Chemical compound CCOC(N)=O JOYRKODLDBILNP-UHFFFAOYSA-N 0.000 claims description 11
- 238000004880 explosion Methods 0.000 claims description 9
- 239000000835 fiber Substances 0.000 claims description 9
- 239000011159 matrix material Substances 0.000 claims description 8
- 230000008014 freezing Effects 0.000 claims description 7
- 238000007710 freezing Methods 0.000 claims description 7
- 239000011521 glass Substances 0.000 claims description 6
- 239000000049 pigment Substances 0.000 claims description 6
- 229920002803 thermoplastic polyurethane Polymers 0.000 claims description 5
- 239000002990 reinforced plastic Substances 0.000 claims description 4
- 239000003822 epoxy resin Substances 0.000 claims description 2
- 229920000647 polyepoxide Polymers 0.000 claims description 2
- 238000004381 surface treatment Methods 0.000 claims description 2
- 229920006337 unsaturated polyester resin Polymers 0.000 claims description 2
- 239000005413 snowmelt Substances 0.000 claims 2
- 239000010410 layer Substances 0.000 description 76
- 238000010276 construction Methods 0.000 description 16
- 239000002131 composite material Substances 0.000 description 10
- 230000008018 melting Effects 0.000 description 5
- 238000002844 melting Methods 0.000 description 5
- 230000000694 effects Effects 0.000 description 4
- 229920002430 Fibre-reinforced plastic Polymers 0.000 description 3
- 230000002708 enhancing effect Effects 0.000 description 3
- 239000011151 fibre-reinforced plastic Substances 0.000 description 3
- 239000000758 substrate Substances 0.000 description 3
- 230000015572 biosynthetic process Effects 0.000 description 2
- 230000002950 deficient Effects 0.000 description 2
- 238000002845 discoloration Methods 0.000 description 2
- 238000005562 fading Methods 0.000 description 2
- 239000003365 glass fiber Substances 0.000 description 2
- 238000010422 painting Methods 0.000 description 2
- 230000002265 prevention Effects 0.000 description 2
- 239000011342 resin composition Substances 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- 229920000049 Carbon (fiber) Polymers 0.000 description 1
- 238000003916 acid precipitation Methods 0.000 description 1
- 239000010425 asbestos Substances 0.000 description 1
- 239000010426 asphalt Substances 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 239000004917 carbon fiber Substances 0.000 description 1
- 239000004567 concrete Substances 0.000 description 1
- 239000000470 constituent Substances 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 230000002542 deteriorative effect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000001747 exhibiting effect Effects 0.000 description 1
- 239000011381 foam concrete Substances 0.000 description 1
- 230000009545 invasion Effects 0.000 description 1
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 description 1
- 238000010030 laminating Methods 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 229910052895 riebeckite Inorganic materials 0.000 description 1
- 150000003839 salts Chemical class 0.000 description 1
- 239000010454 slate Substances 0.000 description 1
- 239000002562 thickening agent Substances 0.000 description 1
- 239000006097 ultraviolet radiation absorber Substances 0.000 description 1
- 238000004078 waterproofing Methods 0.000 description 1
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- Working Measures On Existing Buildindgs (AREA)
- Application Of Or Painting With Fluid Materials (AREA)
Description
本発明は、冬季において外装材として例えば屋根を構成する屋根材及び外壁を構成する外壁材が、前記屋根に積った積雪の融雪水分もしくは前記外壁の内部に含まれている水分が凍結膨張し、凍結膨張によって前記屋根及び外壁等の内部が爆裂し、前記の爆裂が原因で剥離が発生し、前記剥離が原因で劣化が進行して凍害により形成せしめられた前記屋根材及び外壁材の腐食欠落箇所に、下地処理作業工程を施し、前記下地処理作業工程後、プライマー処理層を形成せしめる下塗り処理工程を施し、さらに色調を整え、且耐久性を十分有する着色・耐久化処理層を形成せしめる中塗り処理工程を施し、さらに前記中塗り処理工程後、トップコート層を形成せしめる上塗り処理工程を施し、３層構造とせしめる建築構造物における凍害により形成せしめられた外装材の腐食欠落箇所の凍害用塗装補修方法の技術分野に関するものである。 The present invention is, for example, a roof material that constitutes a roof and an outer wall material that constitutes an outer wall as an exterior material in the winter, when the snow melting water of the snow accumulated on the roof or the water contained in the outer wall is frozen and expanded. , The interior of the roof and outer wall is exploded by freezing expansion, peeling occurs due to the explosion, and deterioration of the peeling progresses and corrosion of the roof material and outer wall material formed by frost damage A base treatment work step is applied to the missing part, and after the base treatment work step, an undercoat treatment step for forming a primer treatment layer is performed, and further a color tone is adjusted and a coloring / durability treatment layer having sufficient durability is formed. An intermediate coating treatment step is performed, and after the intermediate coating treatment step, a top coating treatment step for forming a top coat layer is performed, and a three-layer structure is formed. Allowed was a technique field of frost damage for coating repair method for corroded missing portions of the outer package.
従来、防水用複合被覆体の施工法が、特開２００４−８４４６６公報特許公報として開示されている。 Conventionally, a construction method of a waterproof composite coating has been disclosed in Japanese Patent Laid-Open No. 2004-84466.
前記公開特許公報に開示されている防水用複合被覆体の施工法の発明は、土木、建築物等の床面や壁面のライニング工法であって、樹脂組成物とガラス繊維等により繊維強化樹脂層を形成した後３日以上経た後に、密着性を発現させるための下地処理をせずにトップコートを塗布してなる防水ライニング工法に関するものである。 The invention of the construction method of the waterproof composite coating disclosed in the above-mentioned Japanese Patent Laid-Open Publication is a lining construction method for floor surfaces and wall surfaces of civil engineering, buildings, etc., which is a fiber-reinforced resin layer formed of a resin composition and glass fibers. The present invention relates to a waterproof lining method in which a top coat is applied without performing a base treatment for exhibiting adhesiveness after 3 days or more have been formed.
さらに、前記従来開示の防水用複合被覆体の施工法は、前記公報の段落番号［０００５］に記載のとおり、建築物の屋根、屋上、庇、開放廊下、ベランダ、外壁、地下外壁、室内及び屋外の水層、プール類、工場床等があげられ、材質として、コンクリート、アスファルト、石綿スレート、発砲コンクリート、プラスチック、木材、金属等を基体（Ａ）とし、さらに段落番号［０００９］に記載のとおり、前記基体（Ａ）上に、少なくとも繊維強化樹脂層（Ｂ）とトップコート樹脂層（Ｃ）とを積層してなる防水用複合被覆体の施工方法であって、該防水用複合被覆体の施工方法は、該繊維強化樹脂層（Ｂ）形成後少なくとも３日経過後に、密着性を発現させるための下地処理をせずに、トップコート樹脂層（Ｃ）を施工することを特徴とする防水用複合被覆体の施工方法（請求項１）である。 Further, the construction method of the waterproof composite cover of the above-mentioned conventional disclosure is, as described in paragraph No. [0005] of the publication, the roof of a building, rooftop, eaves, open corridor, veranda, outer wall, underground wall, indoor and Examples include outdoor water layers, pools, factory floors, etc., and as materials, concrete, asphalt, asbestos slate, foamed concrete, plastic, wood, metal, etc. as the base material (A), and further described in paragraph [0009]. As described above, the method for constructing a waterproof composite coating body, comprising: laminating at least the fiber-reinforced resin layer (B) and the topcoat resin layer (C) on the base body (A), the waterproof composite coating body The method of applying No. 1 is characterized in that the top coat resin layer (C) is applied at least 3 days after the formation of the fiber reinforced resin layer (B) without performing a base treatment for expressing adhesion. A method of constructing a waterproof composite covering body (claim 1).
また、前記した従来開示の公開特許公報に開示されている発明は、段落番号［００４６］に記載のとおり、その発明の効果として、本発明の防水用複合被覆体の施工法は、上述の構成よりなるので、耐候性、耐水性等の防水性能や平滑性等の美観に優れるうえに、繊維補強樹脂層形成後も表面のベタツキがなく、一週間以上掛かる壁、柱、扉等の内装建材等の工事や備品などの移動が容易に出来、しかもその後トップコートも密着良く施工できるという効率の良いライニングをすることを可能とし、屋上、駐車場等の建築空間や道路等の床面のライニング工法として有用である。
としたものである。
Further, as described in paragraph [0046], the invention disclosed in the above-mentioned published patent publication has the effect of the invention that the construction method of the waterproof composite coating of the invention has the above-mentioned constitution. Since it has excellent weather resistance, water resistance, and other aesthetics such as waterproofness and smoothness, it does not become sticky on the surface even after the fiber-reinforced resin layer is formed. It is possible to perform efficient lining such as construction work and equipment transfer, and then the top coat can be installed closely, and it is possible to lining construction spaces such as rooftops, parking lots, and floor surfaces such as roads. It is useful as a construction method.
It is what
そして、従来開示の防水用複合被覆体の施工法に関する発明の構成要件は、前記基体（Ａ）上に、繊維強化樹脂層（Ｂ）とトップコート樹脂層（Ｃ）とを積層してなる２層構造に関する防水用複合被覆体の施工法である。 And the constitutional requirement of the invention relating to the construction method of the waterproof composite coating body disclosed in the prior art is that the fiber reinforced resin layer (B) and the top coat resin layer (C) are laminated on the substrate (A). It is a method of constructing a waterproof composite coating for a layered structure.
さらに、前記従来開示の発明の作用、効果は、上述したように、基体（Ａ）の表面をライニングする工程において、樹脂組成物とガラス繊維等による繊維強化樹脂層（Ｂ）を形成して、３日以上経た後、実質的にプライマーを使用せずにトップコート層（Ｃ）を積層せしめ、屋上、駐車場等の建築空間や道路等の床面のライニング工法において、耐候性、耐水性等の防水性能や平滑性等の美観に優れ、さらに、効率よくライニングすることが可能となったとされたものである。 Further, as described above, the action and effect of the invention of the above-described conventional disclosure are as follows. In the step of lining the surface of the substrate (A), the fiber-reinforced resin layer (B) made of the resin composition and glass fiber or the like is formed, After 3 days or more, the top coat layer (C) is laminated substantially without using a primer, and in a lining construction method for a building surface such as a rooftop, a parking lot, or a floor surface such as a road, weather resistance, water resistance, etc. It is said that it has excellent aesthetics such as waterproof performance and smoothness, and that it is possible to lining efficiently.
上記のとおり、従来開示の発明は、耐候性、耐水性等の防水性能や平滑性の美観と、高い効率化を目的として開発されたものであって、下地材との色調を整えたりする着色層を形成せしめる中塗り工程が採用されたものではない。 As described above, the conventionally disclosed invention is developed for the purpose of enhancing the efficiency and the aesthetics of waterproof performance such as weather resistance and water resistance and smoothness, and coloring for adjusting the color tone of the base material. The intermediate coating process for forming the layer is not adopted.
また従来開示の防水用複合被覆体の施工法は、屋根もしくは壁面等が、冬季における著しく気温が下がり、屋根もしくは壁面等に含んでいる水分が凍り、凍結膨張により外壁もしくは屋根等の内部が爆裂し、剥離現象が発生し、劣化の進行によって欠けたり、あるいは陥没によって形成せしめられた大きさが著しく異なる種々様々な形状をした凍害により形成せしめられた腐食欠落箇所を耐久性、耐候性にすぐれ、且色調をも整え、塗装補修を確実且迅速に行うことを目的として創作された発明ではなかった。 Further, the construction method of the waterproof composite coating disclosed in the related art is that the roof or wall surface, etc. has a significantly decreased temperature in winter, the moisture contained in the roof or wall surface is frozen, and the inside of the outer wall or roof is exploded due to freeze expansion. However, the peeling phenomenon occurs, and the size of the chips formed due to the progress of deterioration or the depressions are significantly different in size.The corrosion-deficient portions formed by frost damage in various shapes have excellent durability and weather resistance. However, it was not an invention created for the purpose of adjusting the color tone and surely and promptly performing paint repair.
従来、冬季において、建築構造物における外装材である、屋根を構成する屋根材に積った積雪の融雪水分もしくは建築構造物における外壁を構成する外壁材の内部に含まれている水分が爆裂し、前記爆裂が原因で劣化が進行して前記屋根材もしくは外壁材の表面が剥離する現象が多発していた。 Conventionally, in winter, the melting water of snow accumulated on the roof material that constitutes the roof, which is the exterior material of the building structure, or the moisture contained inside the outer wall material that constitutes the outer wall of the building structure explodes. The phenomenon of the deterioration of the surface of the roof material or the outer wall material due to the explosion has frequently occurred.
そして、前記のように、屋根材もしくは外壁材等の表面剥離と云う劣化現象が進行すると、前記した屋根材もしくは外壁材等が欠けたり、あるいは陥没が起き、それらの塗装補修方法として、従来は２層構造（下塗りプラス中上塗り）からなる再塗装処理が施されていた。 Then, as described above, when the deterioration phenomenon called surface peeling of the roof material or the outer wall material progresses, the roof material, the outer wall material, or the like is chipped or dented. It had been repainted with a two-layer structure (undercoat plus middle topcoat).
しかし、前記のような再塗装処理の対処方法では、短期間で欠けたり、あるいは陥没が再発して、工事費の昂騰を招く貼り替え工事を選択せざるを得なかった。 However, in the above-mentioned method of dealing with the repainting process, it has been unavoidable to select a replacement work which causes a sharp increase in construction cost due to a shortage or reoccurrence of depression.
そのため、積雪の多い雪国においては、建築構造物における屋根を構成する屋根材や外壁を構成する凍害により形成せしめられた外壁材の腐食欠落箇所が多発し、それらの修繕、修復費用がネックとなっていた。 Therefore, in snowy countries where there are a lot of snow, there are many places where corrosion is missing in the roof material that constitutes the roof of the building structure and the outer wall material that is formed by the frost damage that constitutes the outer wall, and repair and repair costs are a bottleneck. Was there.
そこで、本発明は、前記のように、雪害等によって発生する部分的な凍害により形成せしめられた腐食欠落箇所を、安価な費用で、簡単且迅速に、耐水性と、耐候性と、屋根材もしくは外壁材等の下地材料の健全な部分の色調と色調を整えることができる低価格で、工事費を著しく節減して塗装補修する施工方法がないかと様々な分野の技術を合せて検討し創作し、本発明を開発するに至った経緯がある。 Therefore, the present invention, as described above, the corrosion deficiency portion formed by partial frost damage caused by snow damage, etc., at low cost, simply and quickly, water resistance, weather resistance, and roofing material. Alternatively, we created a combination of technologies in various fields to see if there is a construction method that can reduce the construction cost significantly and reduce the cost of the construction, by adjusting the color tone and color tone of the sound part of the base material such as outer wall material. However, there is a history of developing the present invention.
さらに、本発明を創作するに至った経緯を説明すると、下記のとおりである。 Further, the background of creating the present invention is as follows.
本発明は、第１工程である下地塗装であるプライマー処理層として、防水性重視の見地から、下地に防水関連の分野の技術であるＦＲＰ構造を使用したことである。 The present invention is that the FRP structure, which is a technique in the field of waterproofing, is used for the base from the viewpoint of emphasizing waterproofness as the primer treatment layer which is the base coating in the first step.
さらに、本発明は、前記したプライマー処理層の上面部に、着色・耐久化処理層を形成せしめる中塗り工程として、コスト面と耐久性の両立を解消せしめると共に、健全な下地材料の色調とも整えることができるように、アクリルウレタン塗料を使用して本発明を開発するに至った。 Further, the present invention is an intermediate coating step for forming a coloring / durability treatment layer on the upper surface portion of the above-mentioned primer treatment layer, which eliminates both cost and durability, and also adjusts the tone of the sound base material. As a result, the invention has been developed using acrylic urethane paint.
また、本発明は、前記した第３の着色・耐久化処理層を形成せしめた後、前記着色・耐久化処理層のコスト面と耐久性の両立が出来ると云うメリットを生かして、前記着色・耐久化処理層の上面に、第４のトップコート層を形成せしめるアクリルウレタンクリヤー塗料を塗装せしめることによって、従来施工の通常塗装仕様の着色方法（下塗り＋中上塗り）の２層構造と比較して、色あせに明らかな差が生じ、高い耐候性が得られたので、本発明を出願するに至った。 In addition, the present invention makes use of the merit that the cost and durability of the coloring / durability-treating layer can be compatible after forming the third coloring / durability-treating layer, Compared with the conventional two-layer structure of normal coating specification coloring method (undercoating + middle topcoating) by coating the acrylic urethane clear paint that forms the fourth topcoat layer on the upper surface of the durability treatment layer. However, since a clear difference in fading occurred and high weather resistance was obtained, the present invention was filed.
本発明における課題を解決するための手段として、請求項１に記載の発明は、建築構造物における凍害により形成せしめられた外装材Ａの腐食欠落箇所１の凍害用塗装補修方法において、
冬季において前記外装材Ａが、融雪等による水分によって前記外装材Ａの内部に含まれている水分が凍結膨張し、前記凍結膨張によって前記外装材Ａの内部が爆裂し、前記の爆裂が原因で剥離が発生し、前記剥離が原因で劣化が進行して凍害により形成せしめられた前記外装材Ａの腐食欠落箇所１に、前記欠落箇所１の劣化部を除去し、且塗料の付着を良好にせしめるための第１の下地処理作業工程を施し、
前記第１の下地処理作業工程後、繊維質強化プラスチック構造体のマトリクス樹脂と、ガラス繊維集束繊維からなる樹脂塗料を、塗布手段を介して所定の厚さに塗布してプライマー処理層ａを形成せしめる第２の下塗り処理工程を施し、
前記第２の下塗り処理工程後、前記プライマー処理層ａの表面部に、着色顔料を添加した樹脂塗料を、塗布手段を介して所定の厚さに塗布して下地材料の健全な部分との色調を整え且耐久性を著しく高める着色・耐久化処理層ｂを形成せしめる第３の中塗り処理工程を施し、
前記第３の中塗り処理工程によって形成せしめられた着色・耐久化処理層ｂの上面部に、アクリルウレタンクリヤー塗料を、塗布手段を介して所定の厚さに塗布してトップコート層ｃを形成せしめる第４の上塗り処理工程を施し、凍害により形成せしめられた前記外装材Ａの腐食欠落箇所１を耐久性、耐候性を有し、下地材料の健全な部分との色調をも整えることができるようにしたことを特徴とする建築構造物における凍害により形成せしめられた外装材の腐食欠落箇所の凍害用塗装補修方法である。
As a means for solving the problems in the present invention, the invention according to claim 1 is a coating repair method for frost damage of a corrosion missing portion 1 of an exterior material A formed by frost damage in a building structure,
In the winter, the exterior material A freezes and expands due to moisture such as snow melting, and the freezing expansion causes the interior of the exterior material A to explode, which causes the explosion. Peeling occurs, deterioration due to the peeling proceeds, and the deteriorated portion of the missing portion 1 is removed from the corrosion missing portion 1 of the exterior material A formed by frost damage, and good adhesion of paint is achieved. The first surface treatment work step for giving
After the first base treatment step, the matrix resin of the fibrous reinforced plastic structure and the resin coating composed of the glass fiber-converging fiber are applied to a predetermined thickness through the application means to form the primer treatment layer a. A second undercoating process is performed,
After the second undercoating treatment step, a resin coating containing a color pigment is applied to the surface portion of the primer treatment layer a to a predetermined thickness via a coating means to obtain a color tone with a healthy portion of the base material. And a third intermediate coating treatment step for forming a coloring / durability treatment layer b for improving the durability and remarkably enhancing the durability,
Acrylic urethane clear paint is applied to the upper surface of the coloring / durability treatment layer b formed in the third intermediate coating treatment step to a predetermined thickness through a coating means to form a top coat layer c. A corrosive lacking part 1 of the exterior material A formed by frost damage is subjected to a fourth overcoating step, which has durability and weather resistance, and a color tone with a sound part of the base material can be adjusted. This is a method for repairing paint for frost damage in a corrosion-missing portion of an exterior material formed by frost damage in a building structure.
課題を解決するための手段として、請求項２に記載の発明は、建築構造物における凍害により形成せしめられた外装材Ａの腐食欠落箇所１の凍害用塗装補修方法において、
冬季において外装材Ａを構成する屋根ｄを構成する屋根材２及び外壁ｅを構成する外壁材３に積った積雪の融雪によって、前記屋根材２、外壁材３の内部に含まれている水分、及び、前記外壁ｅの内部に含まれている水分が凍結膨張し、前記凍結膨張によって前記屋根ｄ及び外壁ｅの内部が爆裂し、前記の爆裂が原因で剥離が発生し、前記剥離が原因で劣化が進行して凍害により形成せしめられた前記屋根材２及び外壁材３の腐食欠落箇所１に、前記欠落箇所１の劣化部を除去し、且塗料の付着を良好にせしめるための第１の下地処理作業工程を施し、
前記第１の下地処理作業工程後、繊維質強化プラスチック構造体のマトリクス樹脂と、ガラス繊維集束繊維からなる樹脂塗料を、塗布手段を介して所定の厚さに塗布してプライマー処理層ａを形成せしめる第２の下塗り処理工程を施し、
前記第２の下塗り処理工程後、前記プライマー処理層ａの表面部に、着色顔料を添加した樹脂塗料を、塗布手段を介して所定の厚さに塗布して下地材料の健全な部分との色調を整え且耐久性を著しく高める着色・耐久化処理層ｂを形成せしめる第３の中塗り処理工程を施し、
前記第３の中塗り処理工程によって形成せしめられた着色・耐久化処理層ｂの上面部に、アクリルウレタンクリヤー塗料を、塗布手段を介して所定の厚さに塗布してトップコート層ｃを形成せしめる第４の上塗り処理工程を施し、凍害により形成せしめられた前記屋根ｄ及び外壁ｅ等の腐食欠落箇所１を耐久性、耐候性を有し、下地材料の健全な部分との色調をも整えることができるようにしたことを特徴とする建築構造物における凍害により形成せしめられた外装材の腐食欠落箇所の凍害用塗装補修方法である。
As a means for solving the problem, the invention according to claim 2 is a coating repair method for frost damage of a corrosion-missing portion 1 of an exterior material A formed by frost damage in a building structure,
Moisture contained in the roof material 2 and the outer wall material 3 due to snow melting on the roof material 2 that constitutes the roof d that constitutes the exterior material A and the outer wall material 3 that constitutes the outer wall e in winter. , And the water contained in the outer wall e freezes and expands, the freezing and expansion explodes the inside of the roof d and the outer wall e, and the peeling causes peeling, which causes the peeling. The first part for removing the deteriorated part of the corrosion part 1 of the roof material 2 and the outer wall material 3 which has been deteriorated due to frost damage and has been formed by frost damage, and to make the adhesion of the paint good. The base treatment work process of
After the first base treatment step, the matrix resin of the fibrous reinforced plastic structure and the resin coating composed of the glass fiber-converging fiber are applied to a predetermined thickness through the application means to form the primer treatment layer a. A second undercoating process is performed,
After the second undercoating treatment step, a resin coating containing a color pigment is applied to the surface portion of the primer treatment layer a to a predetermined thickness via a coating means to obtain a color tone with a healthy portion of the base material. And a third intermediate coating treatment step for forming a coloring / durability treatment layer b for improving the durability and remarkably enhancing the durability,
Acrylic urethane clear paint is applied to the upper surface of the coloring / durability treatment layer b formed in the third intermediate coating treatment step to a predetermined thickness through a coating means to form a top coat layer c. A corrosive lacking portion 1 such as the roof d and outer wall e formed by frost damage is durable and weather resistant, and a color tone with a sound portion of the base material is also adjusted by applying a fourth top coat treatment step. It is a method for repairing paint for frost damage in a corrosion-missing portion of an exterior material formed by frost damage in a building structure, which is characterized in that it is made possible.
課題を解決するための手段として、請求項３に記載の発明は、前記第３の中塗り処理工程によって形成せしめられた着色・耐久化処理層ｂが、アクリルウレタン塗料の塗布によって形成せしめられていることを特徴とする請求項１又は２に記載の建築構造物における凍害により形成せしめられた外装材の腐食欠落箇所の凍害用塗装補修方法である。 As a means for solving the problem, in the invention according to claim 3, the coloring / durability treatment layer b formed by the third intermediate coating treatment step is formed by applying an acrylic urethane coating. The method for repairing coating for frost damage of a corrosion-missing portion of an exterior material formed by frost damage in a building structure according to claim 1 or 2, characterized in that:
課題を解決するための手段として、請求項４に記載の発明は、前記マトリクス樹脂が、不飽和ポリエステル樹脂又はエポキシ樹脂又はウレタン樹脂からなっていることを特徴とする請求項１又は２又は３に記載の建築構造物における凍害により形成せしめられた外装材の腐食欠落箇所の凍害用塗装補修方法である。 As a means for solving the problems, the invention according to claim 4 is characterized in that the matrix resin is composed of an unsaturated polyester resin, an epoxy resin, or a urethane resin. It is a method for repairing paint for frost damage in a corrosion-missing portion of an exterior material formed by frost damage in the described building structure.
本発明は、上述のとおりの構成なので、建築構造物における外装材である屋根もしくは外壁等に発生した凍結膨張による爆裂が原因の凍害により形成せしめられた腐食欠落箇所のみ、もしくはその周辺個所を、下塗り工程として、繊維質強化プラスチック構造体のマトリクス樹脂と、ガラス繊維集束繊維からなる樹脂塗料を、塗布手段を介して所定の厚さに塗布してプライマー処理層を形成せしめたことによって、下地素地に対し防水塗膜が形成され、寒冷期に爆裂の原因となっていた水分の侵入を防禦する役割を果し、塗装補修を十分に施すことができる優れた効果がある。 Since the present invention is configured as described above, only the corrosion-deficient portion formed by the frost damage caused by the explosion caused by the freezing expansion that has occurred in the roof or the outer wall which is the exterior material in the building structure, or the peripheral portion thereof, In the undercoating step, the matrix resin of the fiber-reinforced plastic structure and the resin coating composed of the glass fiber-converging fibers were applied to a predetermined thickness through the application means to form the primer treatment layer. On the other hand, a waterproof coating film is formed, which plays the role of preventing the invasion of water, which has been a cause of explosion in the cold season, and has an excellent effect of being able to sufficiently perform paint repair.
さらに本発明は、前記プライマー処理層の表面部に、着色顔料を添加した樹脂塗料を、塗布手段を介して所定の厚さに塗布して下地材料の健全な部分との色調を整え且耐久性を著しく高める着色・耐久化処理層を形成せしめたので、下地材料（下地素地）の健全な部分との色調をも整えることができると共に、前記プライマー処理層のＦＲＰ構造である繊維質強化プラスチック構造体の樹脂塗料の紫外線による劣化を防止することができる利点がある。 Furthermore, the present invention applies a resin coating containing a color pigment to a predetermined thickness on the surface of the primer-treated layer through a coating means to adjust the color tone of a sound portion of the base material and to improve durability. By forming a coloring / durability-treating layer that remarkably enhances the color tone , it is possible to adjust the color tone with a healthy portion of the base material (base substrate), and the fiber-reinforced plastic structure that is the FRP structure of the primer-treating layer. There is an advantage that the deterioration of the body resin coating due to ultraviolet rays can be prevented.
また、本発明は、前記着色・耐久化処理層の上面部に、アクリルウレタンクリヤー塗料を、塗布手段を介して所定の厚さに塗布してトップコート層を形成せしめる第４の上塗り処理工程を施すことによって、紫外線防止層を形成し、変色をも防止し、且耐候性と、耐薬品性と、耐水性と、下地材料の健全な部分との色調をも整えることができるようにした利点がある。 In addition, the present invention provides a fourth topcoat treatment step for forming a topcoat layer by applying an acrylic urethane clear paint to a predetermined thickness on the upper surface portion of the coloring / durability treatment layer through a coating means. By applying it, it is possible to form an anti-ultraviolet layer, prevent discoloration, and adjust the weather resistance, chemical resistance, water resistance, and color tone of the sound part of the base material. There is.
本発明は、さらに前記のように塗装補修方法が、３層構造としたことによって、前記した凍害により形成せしめられた腐食欠落箇所のみの塗装補修で、屋根材等の高額となる全面貼替え工事をすることなく、簡単且迅速に、しかも安価な費用で工事を行うことができる利点がある。 The present invention further provides a coating repairing method only for the corrosion-missing portions formed by the above-mentioned frost damage due to the coating repairing method having a three-layer structure as described above, which is an expensive whole surface replacement work such as a roofing material. There is an advantage that the construction can be performed easily, quickly and at a low cost without performing the work.
本発明は、上述のとおり３層構造としたことによって、従来の塗装方法である一般的な塗料で下塗りするプライマー処理層では、屋根材等の下地に浸透しにくいため、塗装ごとに剥離してしまう傾向があり、さらに塗膜に薄い部分ができやすいため、防水性塗料でも一定期間しか防水性を保持できないのに対し、本発明のＦＲＰ樹脂塗料を使用し、長期間にわたり、強靭な塗膜を形成し、耐水性、耐酸性雨、耐食性にすぐれ、耐塩水性、耐凍害性にもすぐれ、下地のひび割れ等に対する追従性にもすぐれた利点が多数有している。 The present invention has a three-layer structure as described above, so that a primer-treated layer which is a conventional coating method and which is undercoated with a general coating does not easily penetrate into a base material such as a roofing material, and therefore peels off after each coating. Since the coating film tends to become thin, and a thin portion is easily formed on the coating film, the waterproof coating can retain the waterproof property only for a certain period of time, whereas the FRP resin coating of the present invention is used to provide a strong coating film for a long period of time. It has excellent water resistance, acid rain resistance, corrosion resistance, salt water resistance, frost damage resistance, and excellent followability to cracks and the like.
さらに、従来の上塗りとしての中塗り着色層は、前記下塗りのプライマー処理層に使用した同質の塗料を２回塗っていたので、早期に色あせが起きてしまっていた。 Further, the intermediate coating colored layer as the conventional top coating was applied twice with the same paint used for the primer coating layer of the undercoat, so that fading occurred early.
これに対し、本発明は、中塗りは着色・耐久化処理層とトップコート層の前記した塗料をもって塗装し、着色・耐久化処理層を形成せしめているので、前記した着色・耐久化処理層により、紫外線によるＦＲＰ樹脂の劣化を防止し、且ＵＶクリアコートを使用することによって、紫外線防止層を形成し、変色を防止し、耐候性、耐薬品性、耐水性にすぐれた利点を多数有している。 On the other hand, in the present invention, the intermediate coating is applied with the above-mentioned coating material for the coloring / durability-treated layer and the topcoat layer to form the coloring / durability-treated layer. Prevents the FRP resin from deteriorating due to UV rays, and by using a UV clear coat, it forms a UV prevention layer, prevents discoloration, and has many advantages that are excellent in weather resistance, chemical resistance, and water resistance. are doing.
本発明の請求項１〜４に記載の発明に関する実施の形態は、共通しているので、一括して以下のとおり説明する。 Since the embodiments relating to the invention described in claims 1 to 4 of the present invention are common, they will be collectively described as follows.
図において、Ａは本発明の腐食欠落箇所１に対し、塗装補修を行う建築構造物における外装材であり、該外装材Ａは、屋根ｄであったり、外壁ｅであったりする。 In the figure, A is an exterior material in a building structure for which paint is repaired for the corrosion-missing portion 1 of the present invention, and the exterior material A is a roof d or an outer wall e.
図において、ａは冬季において前記外装材Ａが、融雪等による水分によって前記外装材Ａの内部に含まれている水分が凍結膨張し、前記凍結膨張によって前記外装材Ａの内部が爆裂し、前記の爆裂が原因で剥離が発生し、前記剥離が原因で劣化が進行して凍害により形成せしめられた前記外装材Ａの腐食欠落箇所１に、前記欠落箇所１の劣化部を除去し、且塗料の付着を良好にせしめるための第１の下地処理作業工程を施し、前記第１の下地処理作業工程後、繊維質強化プラスチック構造体のマトリクス樹脂と、ガラス繊維集束繊維からなる樹脂塗料と、炭素繊維からなる樹脂塗料と、ミルコン（増粘剤）とを材料として、前記腐食欠落箇所１の劣化具合や状況において変動するが、塗布量として、０．２ｋｇ〜／ｍ２を、塗布手段を介して所定の厚さ（７０〜８０μ）に塗布して形成せしめられたプライマー処理層である。 In the figure, a indicates that, in the winter, the exterior material A freezes and expands the moisture contained in the exterior material A due to the water content such as snow melting, and the freezing expansion causes the interior of the exterior material A to explode. Peeling is caused by the explosion of No. 1, and the deterioration portion of the missing portion 1 is removed from the corrosion missing portion 1 of the exterior material A formed by the frost damage due to the progress of the deterioration caused by the peeling and the coating material. A first undercoating work step for good adhesion of the carbon fiber, and after the first undercoating work step, the matrix resin of the fiber-reinforced plastic structure, the resin coating composed of glass fiber-focused fibers, and the carbon Using a resin coating made of fibers and a Milcon (thickener) as a material, the amount of application varies from 0.2 kg to / m 2 through the application means, although it varies depending on the deterioration degree and the situation of the corrosion-missing portion 1. hand It is a primer-treated layer formed by applying a predetermined thickness (70 to 80 μm).
前記のようにして、塗布し形成せしめられたプライマー処理層ａの形成前の第１の下地処理作業工程を施すことによって、前記プライマー処理層ａを形成せしめ塗布したＦＲＰ構造の樹脂塗料が、前記外装材Ａの腐食欠落箇所１の下地材と前記樹脂塗料との密着性と、上塗りの着色・耐久化処理層ｂとの密着性を極めて良好にし、さらに下地材との防錆処理と防水処理が良好となった。 As described above, the resin coating of the FRP structure on which the primer treatment layer a is formed and applied by performing the first base treatment work step before the formation of the primer treatment layer a applied and formed is The adhesion between the base material at the corrosion-missing portion 1 of the exterior material A and the resin coating, and the adhesion between the coloring / durability treatment layer b of the topcoat are made extremely good, and the rust prevention treatment and the waterproof treatment with the base material are further performed. Was good.
さらに、前記プライマー処理層ａによって、屋根ｄを構成する屋根材２に、雪国（新潟等）等の寒冷期における爆裂の原因となっていた水分の屋根材２や外壁材３等への侵入を未然に防止することができる利点がある。 Further, the primer-treated layer a prevents the moisture, which has been a cause of explosion in the cold season such as snowy country (Niigata, etc.), from penetrating into the roof material 2 which constitutes the roof d, etc. There is an advantage that it can be prevented.
図において、ｂは前記第２の下塗り処理工程後に、前記プライマー処理層ａの表面部に、着色顔料を添加した樹脂塗料である、アクリルウレタン樹脂を、所定量として例えば塗布量０．１１〜０．１５ｋｇ／ｍ２を塗布手段を介して所定の厚さ（２５〜３５μ）に塗布し形成せしめた着色・耐久化処理層である。 In the figure, b indicates a predetermined amount of acrylic urethane resin, which is a resin paint obtained by adding a color pigment to the surface portion of the primer treatment layer a after the second undercoating treatment process, for example, a coating amount of 0.11 to 0. It is a coloring / durability treatment layer formed by applying 0.15 kg / m 2 to a predetermined thickness (25 to 35 μm) through an applying means.
前記第３の中塗り処理工程である着色・耐久化処理層ｂによって、下地材料の健全な部分の色調とも整えられると共に、前記のようにアクリルウレタン樹脂塗料（低汚染形セラミック変性ターペン可溶ウレタン樹脂塗料）を使用したので、コスト面と機能面でのバランスが、他の樹脂塗料に比べて良好である。 The coloring / durability treatment layer b, which is the third intermediate coating treatment step, adjusts the color tone of the sound portion of the base material, and, as described above, the acrylic urethane resin coating (low-pollution-type ceramic-modified terpene-soluble urethane). Since resin paint) is used, the balance between cost and function is better than other resin paints.
図において、ｃは前記第３の中塗り処理工程によって形成せしめられた着色・耐久化処理層ｂの上面部に、アクリルウレタンクリヤー塗料（セラミック変性ターペン可溶ウレタン樹脂クリヤー塗料）を、塗布手段を介して所定の厚さに塗布して形成せしめられたトップコート層である。 In the figure, c is an acrylic urethane clear paint (ceramic-modified terpene-soluble urethane resin clear paint) applied on the upper surface of the coloring / durability treatment layer b formed in the third intermediate coating process. It is a top coat layer formed by applying it to a predetermined thickness.
前記のトップコート層ｃは、塗布量として、０．１１〜０．１５ｋｇ／ｍ２を２５〜３５μの厚さに塗布して該トップコート層ｃを形成せしめる。 The top coat layer c is formed by applying 0.11 to 0.15 kg / m 2 as a coating amount to a thickness of 25 to 35 μm.
前記トップコート層ｃの形成によって、クリア色で中塗りの着色・耐久化処理層ｂに影響せず、日光（紫外線）を反射し、また紫外線吸収剤を配合しているため、着色・耐久化処理層ｂの劣化および紫外線に弱い前記プライマー処理層ａのＦＲＰ層を保護する効果を発揮する。 By forming the top coat layer c, coloring and durability of the middle coat with a clear color are reflected, sunlight (ultraviolet rays) is reflected, and an ultraviolet absorber is blended, so coloring and durability are improved. It exhibits the effect of protecting the FRP layer of the primer treatment layer a, which is weak against the deterioration of the treatment layer b and ultraviolet rays.
本発明は、上記のとおり、従来の２層塗り構造と全く異なり、本発明の凍害用塗装補修方法は、前記したプライマー処理層ａと前記したトップコート層ｃの２点が最も重要な構成要件となっており、前記トップコート層ｃによって、前記プライマー処理層ａとして使用したＦＲＰ構造体の樹脂塗料の作用によって、屋根材２もしくは外壁材３の保護と同時に強化を図り、且前記トップコート層ｃの塗布した樹脂塗料によって、耐候性を向上せしめ、形成塗膜の耐久性を向上せしめることができた。 As described above, the present invention is completely different from the conventional two-layer coating structure, and in the coating repair method for frost damage of the present invention, the two points of the above-mentioned primer treatment layer a and the above-mentioned top coat layer c are the most important constituent requirements. The top coat layer c serves to protect and strengthen the roof material 2 or the outer wall material 3 at the same time by the action of the resin coating material of the FRP structure used as the primer treatment layer a, and the top coat layer It was possible to improve the weather resistance and the durability of the formed coating film by the resin coating material coated with c.
そのため、従来再塗装ができなかった下地素地にも塗装を可能とし、且塗装時の外観も長期間保持することが可能となった。 As a result, it is possible to paint on a base material that could not be repainted in the past, and it is also possible to maintain the appearance during painting for a long time.
以上、実施形態を図面に基いて説明したが、本発明は、図示例の限りではなく、その技術的思想を逸脱しない範囲において、当業者が通常に行う設計変更、応用バリエーションの範囲を含むことを念のために言及する。 Although the embodiments have been described with reference to the drawings, the present invention is not limited to the illustrated examples, and includes a range of design changes and application variations that a person skilled in the art normally makes, without departing from the technical idea thereof. Is mentioned just in case.
Ａ 外装材
ａ プライマー処理層
ｂ 着色・耐久化処理層
ｃ トップコート層
ｄ 屋根
ｅ 外壁
１ 腐食欠落箇所
２ 屋根材
３ 外壁材
A Exterior material a Primer treatment layer b Coloring / durability treatment layer c Top coat layer d Roof e Exterior wall 1 Corrosion missing part 2 Roof material 3 Exterior wall material
Claims (4)
冬季において前記外装材が、融雪等による水分によって前記外装材の内部に含まれている水分が凍結膨張し、前記凍結膨張によって前記外装材の内部が爆裂し、前記の爆裂が原因で剥離が発生し、前記剥離が原因で劣化が進行して凍害により形成せしめられた前記外装材の腐食欠落箇所に、前記欠落箇所の劣化部を除去し、且塗料の付着を良好にせしめるための第１の下地処理作業工程を施し、
前記第１の下地処理作業工程後、繊維質強化プラスチック構造体のマトリクス樹脂と、ガラス繊維集束繊維からなる樹脂塗料を、塗布手段を介して所定の厚さに塗布してプライマー処理層を形成せしめる第２の下塗り処理工程を施し、
前記第２の下塗り処理工程後、前記プライマー処理層の表面部に、着色顔料を添加した樹脂塗料を、塗布手段を介して所定の厚さに塗布して下地材料の健全な部分との色調を整え且耐久性を著しく高める着色・耐久化処理層を形成せしめる第３の中塗り処理工程を施し、
前記第３の中塗り処理工程によって形成せしめられた着色・耐久化処理層の上面部に、アクリルウレタンクリヤー塗料を、塗布手段を介して所定の厚さに塗布してトップコート層を形成せしめる第４の上塗り処理工程を施し、凍害により形成せしめられた前記外装材の腐食欠落箇所を耐久性、耐候性を有し、下地材料の健全な部分との色調をも整えることができるようにしたことを特徴とする、建築構造物における凍害により形成せしめられた外装材の腐食欠落箇所の凍害用塗装補修方法。 In the method of repairing paint for frost damage of the corrosion missing part of the exterior material formed by frost damage in the building structure,
In the winter, the exterior material freezes and expands the moisture contained inside the exterior material due to the water content such as snowmelt, and the interior of the exterior material explodes due to the freezing expansion, and peeling occurs due to the explosion. However, the first part for removing the deteriorated part of the missing part at the corrosion missing part of the exterior material which is formed due to freezing damage due to deterioration due to the peeling and the good adhesion of the paint. We have applied the surface treatment process,
After the first base treatment step, the matrix resin of the fibrous reinforced plastic structure and the resin coating composed of the glass fiber-converging fibers are applied to a predetermined thickness through the application means to form the primer treatment layer. The second undercoating process is applied,
After the second undercoating treatment step, a resin coating containing a color pigment is applied to the surface portion of the primer treatment layer to a predetermined thickness via a coating means so that a color tone with a healthy portion of the base material is obtained. Performed a third intermediate coating process to form a coloring / durability treatment layer that improves ordering and significantly enhances durability.
A top coat layer is formed by applying an acrylic urethane clear paint to a predetermined thickness on the upper surface of the coloring / durability treatment layer formed by the third intermediate coating treatment step through a coating means. The top coat treatment process of No. 4 has been applied so that the corrosion-missing portion of the exterior material formed by frost damage has durability and weather resistance, and the color tone with the sound portion of the base material can be adjusted. A paint repairing method for frost damage in a corrosion-missing portion of an exterior material formed by frost damage in a building structure.
冬季において外装材を構成する屋根を構成する屋根材及び外壁を構成する外壁材に積った積雪の融雪によって、前記屋根材、外壁材の内部に含まれている水分、及び、前記外壁の内部に含まれている水分が凍結膨張し、前記凍結膨張によって前記屋根及び外壁の内部が爆裂し、前記の爆裂が原因で剥離が発生し、前記剥離が原因で劣化が進行して凍害により形成せしめられた前記屋根材及び外壁材の腐食欠落箇所に、前記欠落箇所の劣化部を除去し、且塗料の付着を良好にせしめるための第１の下地処理作業工程を施し、
前記第１の下地処理作業工程後、繊維質強化プラスチック構造体のマトリクス樹脂と、ガラス繊維集束繊維からなる樹脂塗料を、塗布手段を介して所定の厚さに塗布してプライマー処理層を形成せしめる第２の下塗り処理工程を施し、
前記第２の下塗り処理工程後、前記プライマー処理層の表面部に、着色顔料を添加した樹脂塗料を、塗布手段を介して所定の厚さに塗布して下地材料の健全な部分との色調を整え且耐久性を著しく高める着色・耐久化処理層を形成せしめる第３の中塗り処理工程を施し、
前記第３の中塗り処理工程によって形成せしめられた着色・耐久化処理層の上面部に、アクリルウレタンクリヤー塗料を、塗布手段を介して所定の厚さに塗布してトップコート層を形成せしめる第４の上塗り処理工程を施し、凍害により形成せしめられた前記屋根及び外壁等の腐食欠落箇所を耐久性、耐候性を有し、下地材料の健全な部分との色調をも整えることができるようにしたことを特徴とする、建築構造物における凍害により形成せしめられた外装材の腐食欠落箇所の凍害用塗装補修方法。 In the method of repairing paint for frost damage of the corrosion missing part of the exterior material formed by frost damage in the building structure,
In the winter, the roof material constituting the roof constituting the exterior material and the moisture contained in the inside of the outer wall material due to the snowmelt of the snow accumulated on the outer wall material constituting the outer wall , and the inside of the outer wall The water contained in the product freezes and expands, the interior of the roof and the outer wall explodes due to the freeze expansion, peeling occurs due to the explosion, deterioration due to the peeling progresses, and it is formed by frost damage. In the corroded missing portions of the roof material and the outer wall material, the first base treatment work step for removing the deteriorated portion of the missing portions and making the paint adhere well is performed,
After the first base treatment step, the matrix resin of the fibrous reinforced plastic structure and the resin coating composed of the glass fiber-converging fibers are applied to a predetermined thickness through the application means to form the primer treatment layer. The second undercoating process is applied,
After the second undercoating treatment step, a resin coating containing a color pigment is applied to the surface portion of the primer treatment layer to a predetermined thickness via a coating means so that a color tone with a healthy portion of the base material is obtained. Performed a third intermediate coating process to form a coloring / durability treatment layer that improves ordering and significantly enhances durability.
A top coat layer is formed by applying an acrylic urethane clear paint to a predetermined thickness on the upper surface of the coloring / durability treatment layer formed by the third intermediate coating treatment step through a coating means. By applying the topcoat treatment process of No. 4, the corrosion and lacking parts such as the roof and outer wall formed by frost damage have durability and weather resistance, and the color tone with the sound part of the base material can be adjusted. A method for repairing paint for frost damage in a corrosion-missing portion of an exterior material formed by frost damage in a building structure, which is characterized by the above.
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