JPH0596234A - Composite finishing method - Google Patents
Composite finishing methodInfo
- Publication number
- JPH0596234A JPH0596234A JP3283876A JP28387691A JPH0596234A JP H0596234 A JPH0596234 A JP H0596234A JP 3283876 A JP3283876 A JP 3283876A JP 28387691 A JP28387691 A JP 28387691A JP H0596234 A JPH0596234 A JP H0596234A
- Authority
- JP
- Japan
- Prior art keywords
- sio
- coating material
- silicate
- silica sol
- silica
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Landscapes
- Application Of Or Painting With Fluid Materials (AREA)
- Compositions Of Macromolecular Compounds (AREA)
- Paints Or Removers (AREA)
Abstract
Description
【０００１】[0001]
【産業上の利用分野】本発明は、セメント系材料の表面
被覆に用いられ、化粧性と下地の保護作用を有する塗膜
を形成させるための改良された複合仕上げ工法に関する
もので、ふくれ、はがれ、よごれ等が生起しない化粧を
施すのに有用である。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an improved composite finishing method for forming a coating film which is used for surface coating of cementitious materials and has a cosmetic property and a protective effect on the base, and is characterized by blistering and peeling. It is useful for applying makeup that does not cause stains.
【０００２】[0002]
【従来の技術】従来一般にセメント系材料の塗材による
表面仕上げ方法としては、下塗、上塗の２層或いは下
塗、中塗、上塗の３層よりなる複合仕上方法が行われて
いる。これら塗材は、一般には有機合成樹脂を結合材と
したものが用いられているが、一部にセメント質結合材
を用いたもの及び特公昭５３−３４１４１に示されてい
るようにシリカゾルまたはシリケート溶液を結合材とし
て用いたものが使用されている。2. Description of the Related Art Conventionally, as a surface finishing method using a coating material of a cement-based material, there has been performed a composite finishing method comprising two layers of an undercoat and an overcoat or three layers of an undercoat, an intermediate coat and an overcoat. As these coating materials, those in which an organic synthetic resin is used as a binder are generally used, but those in which a cementitious binder is partially used and silica sol or silicate as disclosed in Japanese Patent Publication No. 53-34141. What uses a solution as a binder is used.
【０００３】[0003]
【発明が解決しようとする課題】セメント系材料の表面
仕上に求められる性能としては、美裳性と下地保護効果
がある。従来の仕上方法では以下に示すように、塗材の
性能が十分でないことと仕上方法が適切でないために、
種々の問題を生起している。例えば、下塗、中塗、上塗
の全て或いはいずれかの塗膜が有機合成樹脂のみを結合
材としている場合には、塗膜に透気性が少ないために、
ふくれ、はがれ等を生起させることが多く、中でも上塗
塗膜が有機合成樹脂のみを結合材としている場合には、
塗膜に粘着性があることと、静電気滞留性を有するため
に汚れが付きやすいなどの欠点を有していた。これら欠
点を改良するための方法として、特公昭５３−３４１４
１に示されるように下塗、上塗ともに、シリカゾル結合
材を用いる仕上方法も良く知られているが、下地が脆弱
層を含む場合には付着力が十分ではなく時として塗膜の
はがれを生じたり、上塗材の塗膜が微視的には空隙を多
く含む状態であるため、塵埃が入り込み汚れ易い等の欠
点を有していた。本発明は、上記のごとき従来の仕上方
法では、解決することのできなかったセメント系材料の
表面に高い接着力を有し、ふくれ、はがれ等を生起せ
ず、耐汚染性に優れた塗膜を形成する複合仕上工法を提
供するものである。The properties required for the surface finish of cement-based materials include beauty and ground protection. In the conventional finishing method, as shown below, because the performance of the coating material is not sufficient and the finishing method is not appropriate,
It causes various problems. For example, when all or one of the base coat, the middle coat, and the top coat uses only an organic synthetic resin as a binder, the coating has low air permeability,
It often causes blistering and peeling, especially when the top coating film uses only organic synthetic resin as a binder,
Since the coating film is tacky and has a static electricity retention property, it has drawbacks such as easy stains. As a method for improving these drawbacks, Japanese Patent Publication No.
As shown in Fig. 1, a finishing method using a silica sol binder for both the base coat and the top coat is well known. However, when the base includes a brittle layer, the adhesive force is not sufficient and sometimes the coating film peels off. Microscopically, the coating film of the top coat material has a large number of voids, and thus has a drawback that dust is easily introduced and stains easily occur. The present invention has a high adhesive strength on the surface of the cement-based material that could not be solved by the conventional finishing methods as described above, does not cause blistering, peeling, etc., and is a coating film excellent in stain resistance. The present invention provides a composite finishing method for forming a.
【０００４】[0004]
【課題を解決するための手段】本発明の複合仕上工法
は、セメント系材料の表面を、下記の下塗材、中塗材及
び上塗材よりなる３層によって被覆することを特徴とす
るものである； 下塗材：ＳｉＯ2 ／Ｍ2 Ｏ（Ｍは置換若しくは非置換の
アンモニウム陽イオン基、Ｌｉ、ＮａまたはＫを表す）
のモル比が１〜５であるシリケートとポリマー水性エマ
ルジョンからなり、そのＳｉＯ2 ／ポリマー固形分重量
比が０．２から１の範囲にあって、シリケート分を１％
以上含有する塗材、 中塗材：ＳｉＯ2 ／Ｍ2 Ｏ（Ｍは置換若しくは非置換の
アンモニウム陽イオン基、Ｌｉ、ＮａまたはＫを表す）
のモル比が５〜１０００であるシリカゾルとポリマー水
性エマルジョンからなり、そのＳｉＯ2 ／ポリマー固形
分重量比が０．１から２の範囲にあって、シリカ分を１
％以上含有する塗材、 上塗材：ＳｉＯ2 ／Ｍ2 Ｏ（Ｍは置換若しくは非置換の
アンモニウム陽イオン基、Ｌｉ、ＮａまたはＫを表す）
のモル比が５〜１０００であるシリカゾルとポリマー水
性エマルジョンからなり、そのＳｉＯ2 ／ポリマー固形
分重量比が０．１から２であって、シリカ分を５％以上
含有し、かつ、乾燥したときに透明な塗膜が得られる塗
材。 尚、下塗材、中塗材は必要に応じて、骨材、着色顔料、
分散剤、増粘剤等の塗料成分を任意に含有させたもので
ある。上塗材は乾燥した塗膜が透明性を示すものであっ
て、通常骨材は含有されない。The composite finishing method of the present invention is characterized in that the surface of a cement-based material is coated with three layers of an undercoat material, an intermediate coating material and an overcoat material described below; Undercoat material: SiO 2 / M 2 O (M represents a substituted or unsubstituted ammonium cation group, Li, Na or K)
And a polymer aqueous emulsion having a molar ratio of 1 to 5 and a SiO 2 / polymer solid content weight ratio in the range of 0.2 to 1 and a silicate content of 1%.
Coating material containing the above, intermediate coating material: SiO 2 / M 2 O (M represents a substituted or unsubstituted ammonium cation group, Li, Na or K)
Is composed of a silica sol having a molar ratio of 5 to 1000 and a polymer aqueous emulsion, and the SiO 2 / polymer solid content weight ratio thereof is in the range of 0.1 to 2, and the silica content is 1
% Or more coating material, top coating material: SiO 2 / M 2 O (M represents a substituted or unsubstituted ammonium cation group, Li, Na or K)
Of a silica sol having a molar ratio of 5 to 1000 and an aqueous polymer emulsion, having a SiO 2 / polymer solid content weight ratio of 0.1 to 2 and containing 5% or more of a silica content, and when dried. A coating material that gives a transparent coating film. The undercoating material and the intermediate coating material may be aggregates, color pigments, and
It is a composition in which paint components such as a dispersant and a thickener are optionally contained. The topcoat material is such that the dried coating film shows transparency, and usually contains no aggregate.
【０００５】これら塗材は、通常の刷毛、ローラー刷
毛、吹付け等の方法により順次施工すれば良く、特別な
装置は必要としない。また施工間隔は、下塗材の乾燥後
中塗材を、中塗材の乾燥後上塗材を施工すれば良い。These coating materials may be sequentially applied by a method such as a normal brush, a roller brush and a spraying method, and no special device is required. As for the construction interval, the intermediate coating material may be applied after the undercoat material is dried, and the upper coating material may be applied after the intermediate coating material is dried.
【０００６】[0006]
【作用】本発明に用いられる下塗材は、シリケートとポ
リマー水性エマルジョンを結合材としているため、シリ
ケートがセメント系材料表層の脆弱層を浸透強化し、ポ
リマー水性エマルジョンはセメント系材料表層で塗膜を
形成し、下地の状態を均一化し中塗材、上塗材に吸い込
みむらが生じるのを防ぐ働きを有する。また塗膜の形成
がシリケートを含む溶液を一部に内在した状態で進むた
め、乾燥後の塗膜にはシリケート溶液の水分が蒸発した
微小な空隙が存在し、この塗膜は通気性を有する。Ｓｉ
Ｏ2 ／Ｍ2 Ｏ（Ｍは置換若しくは非置換のアンモニウム
陽イオン基、Ｌｉ、ＮａまたはＫを表す）のモル比が１
以下の場合には、著しく耐水性が不足し、５以上の場合
にはシリケートの安定性が損なわれたり、実質的にゾル
としての性格が現れてくるため、セメント系材料への浸
透性が損なわれ適当ではない。ＳｉＯ2 ／樹脂固形分比
が０．１以下の場合には、シリケートによる下地の浸透
強化作用が十分発揮されず、２以上の場合には造膜性が
不足し吸い込みむらを抑えることができない。また、下
塗材中のシリケート成分が１％以下では浸透強化作用が
十分ではなくセメント系材料との接着力が不足する。[Function] Since the undercoating material used in the present invention uses the silicate and the polymer aqueous emulsion as a binder, the silicate permeates and strengthens the brittle layer of the cement-based material surface layer, and the polymer aqueous emulsion forms a coating film on the cement-based material surface layer. It has the function of forming a uniform undercoat and preventing unevenness from being sucked into the intermediate coating material and the top coating material. Further, since the formation of the coating film proceeds in a state where the solution containing the silicate is partially contained, the coating film after drying has minute voids in which the water content of the silicate solution has evaporated, and this coating film has air permeability. .. Si
The molar ratio of O 2 / M 2 O (M represents a substituted or unsubstituted ammonium cation group, Li, Na or K) is 1
In the following cases, the water resistance is remarkably insufficient, and in the case of 5 or more, the stability of the silicate is impaired, or the character as a sol appears, so that the permeability to the cementitious material is impaired. It is not suitable. When the SiO 2 / resin solid content ratio is 0.1 or less, the effect of strengthening the permeation of the base by the silicate is not sufficiently exhibited, and when it is 2 or more, the film forming property is insufficient and it is not possible to suppress uneven suction. Further, if the silicate component in the undercoat material is 1% or less, the penetration strengthening effect is insufficient and the adhesive force with the cement-based material is insufficient.
【０００７】本発明に用いられる中塗材は、シリカゾル
とポリマー水性エマルジョンを結合材としているため、
下塗材との接着力にすぐれ、適度な硬さを有する塗膜を
形成する。ＳｉＯ2 ／Ｍ2 Ｏ（Ｍは置換若しくは非置換
のアンモニウム陽イオン基、Ｌｉ、ＮａまたはＫを表
す）のモル比が５以下の場合には、塗膜の耐水性が不足
し、１０００以上の場合にはシリカゾルの安定性が損な
われ適当ではない。ＳｉＯ2 ／樹脂固形分比は０．１以
下の場合通気性が不足し、２以上の場合塗膜にクラック
が入りやすくなり適当ではない。また、中塗材中のシリ
カ成分が１％以下ではやはり通気性が不足し、良好な塗
膜が得られない。Since the intermediate coating material used in the present invention uses silica sol and a polymer aqueous emulsion as a binder,
It forms a coating film that has excellent adhesion to the undercoat material and has an appropriate hardness. When the molar ratio of SiO 2 / M 2 O (M represents a substituted or unsubstituted ammonium cation group, Li, Na or K) is 5 or less, the water resistance of the coating film is insufficient and 1000 or more. In this case, the stability of silica sol is impaired, which is not suitable. When the SiO 2 / resin solid content ratio is 0.1 or less, the air permeability is insufficient, and when it is 2 or more, the coating film is apt to crack, which is not suitable. Further, if the silica component in the intermediate coating material is 1% or less, the air permeability is still insufficient and a good coating film cannot be obtained.
【０００８】本発明に用いられる上塗材は、シリカゾル
とポリマー水性エマルジョンを成分としているため、中
塗材との接着力にすぐれ、微小な空隙を有する適度な硬
さを持った塗膜を形成する。この上塗材は骨材成分を含
まないため、中塗材の乾燥塗膜の微小な凹凸を均し、光
沢のある美麗な仕上表面を形成する。Since the topcoat material used in the present invention contains silica sol and a polymer aqueous emulsion as components, it has an excellent adhesive force with the intermediate coating material and forms a coating film having a proper hardness having minute voids. Since this top coat material does not contain an aggregate component, it finely smoothes fine irregularities of the dry coating film of the middle coat material to form a beautiful glossy finish surface.
【０００９】この下塗材、中塗材、上塗材の３層よりな
る複合仕上工法は、下塗材はシリケートを、中塗材、上
塗材はシリカゾルを結合材成分として含むため、下地と
下塗材、中塗材、上塗材のそれぞれが一体的に結合され
高い接着強度が得られ、緻密な連続皮膜が形成するにも
かかわらず、通気性を有するためにふくれ、はがれ等を
生起しない。また上塗材が光沢のある適度な硬さを持っ
た塗膜を形成するため、シリカゾルの持つ静電気を帯び
にくい性質と併せて、極めて耐汚染性にすぐれた表面を
提供する。In the composite finishing method comprising three layers of the undercoat material, the intermediate coating material and the overcoat material, the undercoat material contains silicate, and the intermediate coating material and the overcoat material contain silica sol as a binder component. Despite the fact that each of the overcoat materials is integrally bonded to obtain high adhesive strength and forms a dense continuous film, it does not cause blistering or peeling due to its breathability. In addition, since the topcoat material forms a coating film having a glossy and appropriate hardness, it provides a surface excellent in stain resistance in addition to the property of silica sol that is less likely to be charged with static electricity.
【００１０】[0010]
【実施例】７０×７０×２０ｍｍのモルタル板に、表１
に示す配合比の下塗材、中塗材、上塗材を表２の塗装仕
様に従って施し、２週間室内で養生した後表３の試験方
法に従って性能試験を実施した。尚、比較例として表１
のシリケートまたはシリカゾル成分の全量をポリマー水
性エマルジョンに置き換えた塗材の性能試験を併せて実
施した。結果を表４に示す。EXAMPLE A mortar board of 70 × 70 × 20 mm was prepared by using Table 1 below.
The undercoating material, intermediate coating material and topcoating material having the compounding ratio shown in Table 2 were applied according to the coating specifications in Table 2 and allowed to cure for 2 weeks in the room, and then a performance test was conducted according to the test method in Table 3. As a comparative example, Table 1
A performance test was also performed on the coating material in which the entire amount of the silicate or silica sol component was replaced by the polymer aqueous emulsion. The results are shown in Table 4.
【００１１】[0011]
【表１】 [Table 1]
【表２】 [Table 2]
【００１２】[0012]
【表３】 [Table 3]
【００１３】[0013]
【表４】 [Table 4]
【発明の効果】以上の試験結果に見られるように、本発
明による複合仕上工法によれば、下塗、中塗、上塗それ
ぞれに特定のシリケートまたはシリカゾルを結合材とし
て用いていることにより、下層塗膜、中層塗膜、上層塗
膜が一体的に結合され、セメント系材料表面への高い接
着強度と耐久性、耐汚染性に優れた塗膜を形成させるこ
とができる。本発明は、コンクリート建造物の屋外、屋
内の化粧、プレキャストコンクリート板、押出しセメン
ト成形板、スレート板等建材の表面化粧に適用される。As can be seen from the above test results, according to the composite finishing method of the present invention, by using a specific silicate or silica sol as a binder in each of the undercoat, middle coat and topcoat, the lower coating film The intermediate layer coating film and the upper layer coating film are integrally combined to form a coating film having high adhesive strength to the cement-based material surface, excellent durability, and stain resistance. INDUSTRIAL APPLICABILITY The present invention is applied to outdoor and indoor makeup of concrete structures, surface makeup of building materials such as precast concrete boards, extruded cement molding boards, and slate boards.
───────────────────────────────────────────────────── フロントページの続き (51)Int.Cl.5 識別記号 庁内整理番号 ＦＩ 技術表示箇所 Ｃ０９Ｄ 1/00 ＰＣＮ 6770−4Ｊ 1/04 ＰＣＭ 6770−4Ｊ 5/00 ＰＰＦ 6904−4Ｊ ＰＰＴ 6904−4Ｊ 133/08 ＰＧＢ 7921−4Ｊ Ｅ０４Ｆ 13/00 Ａ 8913−2Ｅ (72)発明者 石橋 忠良 千葉県千葉市磯部８丁目６番５号 (72)発明者 原 久 東京都渋谷区代々木２丁目２番６号 株式 会社ジエイアール東日本商事内 (72)発明者 林 守久 千葉県市川市菅野１丁目７番７号 (72)発明者 堀 孝廣 千葉県船橋市坪井町722番地１ 日産化学 工業株式会社中央研究所内 (72)発明者 内藤 忠 東京都千代田区神田錦町３丁目７番地１ 日産化学工業株式会社内─────────────────────────────────────────────────── ─── Continuation of the front page (51) Int.Cl. 5 Identification number Office reference number FI technical display location C09D 1/00 PCN 6770-4J 1/04 PCM 6770-4J 5/00 PPF 6904-4J PPT 6904- 4J 133/08 PGB 7921-4J E04F 13/00 A 8913-2E (72) Inventor Tadayoshi Ishibashi 8-6-5 Isobe, Chiba-shi, Chiba (72) Inventor Hisashi Hara 2-2 Yoyogi, Shibuya-ku, Tokyo No. 6 GIR East Japan Trading Company (72) Inventor Morihisa Hayashi 1-7-7 Sugano, Ichikawa City, Chiba Prefecture (72) Inventor Takahiro Hori 1,722 Tsuboi Town, Funabashi City, Chiba Prefecture Nissan Chemical Industry Co., Ltd. (72) Inventor Tadashi Naito 3-7-1 Kandanishiki-cho, Chiyoda-ku, Tokyo Within Nissan Chemical Industry Co., Ltd.
Claims (1)
材、中塗材及び上塗材よりなる３層によって被覆するこ
とを特徴とする複合仕上工法； 下塗材：ＳｉＯ2 ／Ｍ2 Ｏ（Ｍは置換若しくは非置換の
アンモニウム陽イオン基、Ｌｉ、ＮａまたはＫを表す）
のモル比が１〜５であるシリケートとポリマー水性エマ
ルジョンからなり、そのＳｉＯ2 ／ポリマー固形分重量
比が０．２から１の範囲にあって、シリケート分を１％
以上含有する塗材、 中塗材：ＳｉＯ2 ／Ｍ2 Ｏ（Ｍは置換若しくは非置換の
アンモニウム陽イオン基、Ｌｉ、ＮａまたはＫを表す）
のモル比が５〜１０００であるシリカゾルとポリマー水
性エマルジョンからなり、そのＳｉＯ2 ／ポリマー固形
分重量比が０．１から２の範囲にあって、シリカ分を１
％以上含有する塗材、 上塗材：ＳｉＯ2 ／Ｍ2 Ｏ（Ｍは置換若しくは非置換の
アンモニウム陽イオン基、Ｌｉ、ＮａまたはＫを表す）
のモル比が５〜１０００であるシリカゾルとポリマー水
性エマルジョンからなり、そのＳｉＯ2 ／ポリマー固形
分重量比が０．１から２であって、シリカ分を５％以上
含有し、かつ、乾燥したときに透明な塗膜が得られる塗
材。1. A composite finishing method characterized in that the surface of a cement-based material is coated with the following three layers of an undercoat material, an intermediate coating material and an overcoat material; Undercoat material: SiO 2 / M 2 O (M is Represents a substituted or unsubstituted ammonium cation group, Li, Na or K)
And a polymer aqueous emulsion having a molar ratio of 1 to 5 and a SiO 2 / polymer solid content weight ratio in the range of 0.2 to 1 and a silicate content of 1%.
Coating material containing the above, intermediate coating material: SiO 2 / M 2 O (M represents a substituted or unsubstituted ammonium cation group, Li, Na or K)
Is composed of a silica sol having a molar ratio of 5 to 1000 and a polymer aqueous emulsion, and the SiO 2 / polymer solid content weight ratio thereof is in the range of 0.1 to 2, and the silica content is 1
% Or more coating material, top coating material: SiO 2 / M 2 O (M represents a substituted or unsubstituted ammonium cation group, Li, Na or K)
Of a silica sol having a molar ratio of 5 to 1000 and an aqueous polymer emulsion, having a SiO 2 / polymer solid content weight ratio of 0.1 to 2 and containing 5% or more of a silica content, and when dried. A coating material that gives a transparent coating film.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP03283876A JP3116074B2 (en) | 1991-10-04 | 1991-10-04 | Composite finishing method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP03283876A JP3116074B2 (en) | 1991-10-04 | 1991-10-04 | Composite finishing method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH0596234A true JPH0596234A (en) | 1993-04-20 |
| JP3116074B2 JP3116074B2 (en) | 2000-12-11 |
Family
ID=17671323
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP03283876A Expired - Fee Related JP3116074B2 (en) | 1991-10-04 | 1991-10-04 | Composite finishing method |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP3116074B2 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US8048218B2 (en) | 2004-02-04 | 2011-11-01 | Mitsubishi Rayon Co., Ltd. | Coating, aqueous coating material and process for producing coating using the same, and coated article with coating |
-
1991
- 1991-10-04 JP JP03283876A patent/JP3116074B2/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US8048218B2 (en) | 2004-02-04 | 2011-11-01 | Mitsubishi Rayon Co., Ltd. | Coating, aqueous coating material and process for producing coating using the same, and coated article with coating |
Also Published As
| Publication number | Publication date |
|---|---|
| JP3116074B2 (en) | 2000-12-11 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |
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| LAPS | Cancellation because of no payment of annual fees |