JPS6223022B2 - - Google Patents
Info
- Publication number
- JPS6223022B2 JPS6223022B2 JP8292181A JP8292181A JPS6223022B2 JP S6223022 B2 JPS6223022 B2 JP S6223022B2 JP 8292181 A JP8292181 A JP 8292181A JP 8292181 A JP8292181 A JP 8292181A JP S6223022 B2 JPS6223022 B2 JP S6223022B2
- Authority
- JP
- Japan
- Prior art keywords
- rock wool
- wool board
- undercoat
- press
- titanium oxide
- 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.)
- Expired
Links
- 239000011490 mineral wool Substances 0.000 claims description 14
- 239000004372 Polyvinyl alcohol Substances 0.000 claims description 8
- 229920002451 polyvinyl alcohol Polymers 0.000 claims description 8
- 229920002134 Carboxymethyl cellulose Polymers 0.000 claims description 6
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 claims description 6
- OGIDPMRJRNCKJF-UHFFFAOYSA-N titanium oxide Inorganic materials [Ti]=O OGIDPMRJRNCKJF-UHFFFAOYSA-N 0.000 claims description 6
- 239000004606 Fillers/Extenders Substances 0.000 claims description 5
- 239000001768 carboxy methyl cellulose Substances 0.000 claims description 5
- 235000010948 carboxy methyl cellulose Nutrition 0.000 claims description 5
- 239000008112 carboxymethyl-cellulose Substances 0.000 claims description 5
- 238000000034 method Methods 0.000 claims description 5
- 239000000049 pigment Substances 0.000 claims description 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 4
- 239000003973 paint Substances 0.000 description 7
- 239000011248 coating agent Substances 0.000 description 5
- 238000000576 coating method Methods 0.000 description 5
- 239000011347 resin Substances 0.000 description 5
- 229920005989 resin Polymers 0.000 description 5
- 239000000203 mixture Substances 0.000 description 3
- 238000003825 pressing Methods 0.000 description 3
- 239000004925 Acrylic resin Substances 0.000 description 2
- 229920000178 Acrylic resin Polymers 0.000 description 2
- VTYYLEPIZMXCLO-UHFFFAOYSA-L Calcium carbonate Chemical compound [Ca+2].[O-]C([O-])=O VTYYLEPIZMXCLO-UHFFFAOYSA-L 0.000 description 2
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 2
- XTXRWKRVRITETP-UHFFFAOYSA-N Vinyl acetate Chemical compound CC(=O)OC=C XTXRWKRVRITETP-UHFFFAOYSA-N 0.000 description 2
- 238000005336 cracking Methods 0.000 description 2
- 238000004049 embossing Methods 0.000 description 2
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 description 1
- 229910000019 calcium carbonate Inorganic materials 0.000 description 1
- 239000004927 clay Substances 0.000 description 1
- 229910052570 clay Inorganic materials 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000000839 emulsion Substances 0.000 description 1
- 238000009472 formulation Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000000377 silicon dioxide Substances 0.000 description 1
- 239000010936 titanium Substances 0.000 description 1
- 229910052719 titanium Inorganic materials 0.000 description 1
Landscapes
- Shaping Of Tube Ends By Bending Or Straightening (AREA)
- Paints Or Removers (AREA)
Description
本発明は岩綿板の加工方法に関し、カルボキシ
メチルセルロース、ポリビニルアルコール、体質
顔料としての酸化チタン、及び水の配合よりなる
下塗塗料を岩綿板の表面に塗布したのちにこの上
にさらに上塗塗料を塗布し、次いでプレスして岩
綿板の表面に凹凸模様を付与することを特徴とす
る岩綿板の加工方法に係るものである。
岩綿板２はその表面に下塗塗装を施してこの上
に上塗塗料４を塗布し、さらにエンボスプレス１
によつ凹凸模様を付されて天井材などとして仕上
げられる。しかしながら、従来にあつては下塗塗
料３としては酢酸ビニル樹脂系やアクリル樹脂系
のエマルジヨンタイプの塗料が用いられており、
この塗料を下塗塗料３として使用した場合には、
第１図のようにプレス１で岩綿板２に凹凸模様を
付与する際に、凹凸模様を深さ1.5mm以上に付与
する場合は、第２図に示すように下塗塗料３の層
に亀裂５が入り、商品化することができないもの
であつた。そこで下塗塗料なしでプレス成形する
ことが検討されたが下塗塗料がないとプレス前に
塗布する上塗塗料の流れが悪く、リバースコータ
ーなどで塗布される上塗塗料の塗布量が多くいる
ことになり、このことはひいてはプレススピード
を遅くする必要にも通じて生産性が低下するもの
であつた。
本発明は上記の点に鑑みてなされたものであつ
て、２mm程度の深さの凹凸加工を行なつても亀裂
が生じるようなおそれがない岩綿板の加工方法を
提供することを目的とするものである。
以下本発明を実施例により詳述する。本発明に
係る下塗塗料は、カルボキシメチルセルロース
（CMC）、ポリビニルアルコール（PVA）、体質顔
料としての酸化チタン、及び水の配合よりなるも
ので、CMCとPVAを混合した樹脂２〜５重量
部、酸化チタン10〜40重量部を水に混合して100
重量部とすることにより調製するものである。
塗料の樹脂分として酢酸ビニル樹脂やアクリル
樹脂を用いた場合には前述のように亀裂が発生す
るものであり、またCMCとPVAよりなる樹脂分
のうちPVAは30〜70重量％用いるのがよい。体
質顔料として酸化チタンの代りに炭酸カルシウム
やクレー、シリカを用いると亀裂の発生は防止し
得ず、酸化チタンのみを用いるのがよい。
この下塗塗料の配合の一例を下表に示す。
The present invention relates to a method for processing rock wool boards, in which an undercoat consisting of a mixture of carboxymethyl cellulose, polyvinyl alcohol, titanium oxide as an extender pigment, and water is applied to the surface of the rock wool board, and then a top coat is applied on top of this. This relates to a method for processing a rock wool board, which is characterized by coating and then pressing to give an uneven pattern to the surface of the rock wool board. The surface of the rock wool board 2 is coated with an undercoat, a topcoat 4 is applied thereon, and then an embossing press 1 is applied.
It is finished with an uneven pattern and used as ceiling material. However, conventionally, vinyl acetate resin-based or acrylic resin-based emulsion type paints have been used as the undercoat paint 3.
When this paint is used as primer paint 3,
When applying an uneven pattern to the rock wool board 2 using the press 1 as shown in Fig. 1, if the uneven pattern is applied to a depth of 1.5 mm or more, cracks may appear in the layer of the undercoat 3 as shown in Fig. 2. 5, and could not be commercialized. Therefore, we considered press-forming without an undercoat, but without the undercoat, the topcoat applied before pressing would not flow well, resulting in a large amount of topcoat being applied with a reverse coater etc. This in turn led to the necessity of slowing down the press speed, resulting in a decrease in productivity. The present invention has been made in view of the above points, and an object of the present invention is to provide a method for processing a rock wool board that does not cause the risk of cracking even when roughened to a depth of about 2 mm. It is something to do. The present invention will be explained in detail below with reference to Examples. The undercoat paint according to the present invention is composed of carboxymethyl cellulose (CMC), polyvinyl alcohol (PVA), titanium oxide as an extender pigment, and water, and contains 2 to 5 parts by weight of a resin mixed with CMC and PVA, and oxidized Mix 10 to 40 parts by weight of titanium with water to
It is prepared by calculating parts by weight. If vinyl acetate resin or acrylic resin is used as the resin component of the paint, cracks will occur as mentioned above, and of the resin component consisting of CMC and PVA, it is recommended to use 30 to 70% by weight of PVA. . If calcium carbonate, clay, or silica is used instead of titanium oxide as an extender, the occurrence of cracks cannot be prevented, so it is better to use only titanium oxide. An example of the formulation of this undercoat is shown in the table below.
【表】
上記の如き下塗塗料を岩綿板の表面に塗布して
乾燥させ、さらにこの上に上塗塗料をリバースコ
ーターで塗布し、エンボスプレスでプレス成形す
ることにより、岩綿板の表面に凹凸模様を付与す
るものであるが、下塗塗料はCMCとPVAの配合
及び体質顔料として酸化チタンを用いたことによ
り粘弾性が高く付与されており、２mm程度の深い
凹凸に加工する際にも亀裂は生じないものであ
る。またこのように亀裂のおそれがないため下塗
塗料を塗布した上で上塗塗料の塗布が行なえて上
塗塗料の流れがよく、下塗塗料を塗布しない場合
には42ｇ／１×２ｍの塗布量が必要なところこの
場合は30ｇ／１×２ｍの塗布量で済み、塗布量が
少ないため塗布のスピードが速くなつてこの結果
プレスによる加工スピードも20％程度アツプする
ことができるものである。[Table] Apply an undercoat like the one above to the surface of the rock wool board, let it dry, then apply a top coat on top with a reverse coater, and press-form it with an embossing press to create unevenness on the surface of the rock wool board. Although it is used to impart patterns, the undercoat paint has high viscoelasticity due to the combination of CMC and PVA and the use of titanium oxide as an extender pigment, and it does not crack even when processed into deep irregularities of about 2 mm. It does not occur. In addition, since there is no risk of cracking, it is possible to apply the top coat after applying the base coat, and the flow of the top coat is good, and if no base coat is applied, a coating amount of 42 g / 1 x 2 m is required. However, in this case, a coating amount of 30 g/1 x 2 m is sufficient, and since the coating amount is small, the coating speed is increased, and as a result, the processing speed by press can be increased by about 20%.
第１図はプレスの工程を示す概略図、第２図は
亀裂の状態を示す岩綿板の断面図であり、１はプ
レス、２は岩綿板、３は下塗塗料、４は上塗塗料
である。
Figure 1 is a schematic diagram showing the pressing process, and Figure 2 is a cross-sectional view of a rock wool board showing the state of cracks. 1 is a press, 2 is a rock wool board, 3 is a base coat, and 4 is a top coat. be.
Claims (1)
ルコール、体質顔料としての酸化チタン、及び水
の配合よりなる下塗塗料を岩綿板の表面に塗布し
たのちにこの上にさらに上塗塗料を塗布し、次い
でプレスして岩綿板の表面に凹凸模様を付与する
ことを特徴とする岩綿板の加工方法。1 After applying an undercoat consisting of carboxymethyl cellulose, polyvinyl alcohol, titanium oxide as an extender pigment, and water to the surface of the rock wool board, a top coat is further applied on top of this, and then pressed to form the rock wool board. A method for processing a rock wool board, which is characterized by imparting an uneven pattern to the surface of the board.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP8292181A JPS57198766A (en) | 1981-05-30 | 1981-05-30 | Coating compound for undercoating of rock wool board |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP8292181A JPS57198766A (en) | 1981-05-30 | 1981-05-30 | Coating compound for undercoating of rock wool board |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS57198766A JPS57198766A (en) | 1982-12-06 |
| JPS6223022B2 true JPS6223022B2 (en) | 1987-05-21 |
Family
ID=13787703
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP8292181A Granted JPS57198766A (en) | 1981-05-30 | 1981-05-30 | Coating compound for undercoating of rock wool board |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS57198766A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6427814U (en) * | 1987-08-07 | 1989-02-17 |
-
1981
- 1981-05-30 JP JP8292181A patent/JPS57198766A/en active Granted
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6427814U (en) * | 1987-08-07 | 1989-02-17 |
Also Published As
| Publication number | Publication date |
|---|---|
| JPS57198766A (en) | 1982-12-06 |
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