JPS6112937B2 - - Google Patents
Info
- Publication number
- JPS6112937B2 JPS6112937B2 JP56114298A JP11429881A JPS6112937B2 JP S6112937 B2 JPS6112937 B2 JP S6112937B2 JP 56114298 A JP56114298 A JP 56114298A JP 11429881 A JP11429881 A JP 11429881A JP S6112937 B2 JPS6112937 B2 JP S6112937B2
- Authority
- JP
- Japan
- Prior art keywords
- base film
- putty
- base
- drying
- film
- 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
- 239000003795 chemical substances by application Substances 0.000 claims description 17
- 238000001035 drying Methods 0.000 claims description 16
- 229920005989 resin Polymers 0.000 claims description 16
- 239000011347 resin Substances 0.000 claims description 16
- 239000004743 Polypropylene Substances 0.000 claims description 13
- 239000003973 paint Substances 0.000 claims description 13
- -1 polypropylene Polymers 0.000 claims description 13
- 229920001155 polypropylene Polymers 0.000 claims description 13
- 238000000034 method Methods 0.000 claims description 9
- 230000008439 repair process Effects 0.000 claims description 8
- 238000000576 coating method Methods 0.000 claims description 5
- 238000010422 painting Methods 0.000 claims description 5
- 229920005672 polyolefin resin Polymers 0.000 claims description 5
- 150000004945 aromatic hydrocarbons Chemical class 0.000 claims description 4
- 239000011248 coating agent Substances 0.000 claims description 4
- 239000002904 solvent Substances 0.000 claims description 4
- 239000004846 water-soluble epoxy resin Substances 0.000 claims description 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 4
- 238000004140 cleaning Methods 0.000 description 3
- 238000005238 degreasing Methods 0.000 description 3
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 2
- 239000000654 additive Substances 0.000 description 2
- 230000000996 additive effect Effects 0.000 description 2
- 239000000428 dust Substances 0.000 description 2
- 230000005611 electricity Effects 0.000 description 2
- 239000004744 fabric Substances 0.000 description 2
- 238000007591 painting process Methods 0.000 description 2
- 229920001296 polysiloxane Polymers 0.000 description 2
- 238000007493 shaping process Methods 0.000 description 2
- 238000005507 spraying Methods 0.000 description 2
- 230000003068 static effect Effects 0.000 description 2
- 239000004923 Acrylic lacquer Substances 0.000 description 1
- JOYRKODLDBILNP-UHFFFAOYSA-N Ethyl urethane Chemical compound CCOC(N)=O JOYRKODLDBILNP-UHFFFAOYSA-N 0.000 description 1
- 206010058109 Hangnail Diseases 0.000 description 1
- NIXOWILDQLNWCW-UHFFFAOYSA-N acrylic acid group Chemical group C(C=C)(=O)O NIXOWILDQLNWCW-UHFFFAOYSA-N 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 238000005530 etching Methods 0.000 description 1
- 238000013007 heat curing Methods 0.000 description 1
- 239000003960 organic solvent Substances 0.000 description 1
- DHHVAGZRUROJKS-UHFFFAOYSA-N phentermine Chemical compound CC(C)(N)CC1=CC=CC=C1 DHHVAGZRUROJKS-UHFFFAOYSA-N 0.000 description 1
- 238000005498 polishing Methods 0.000 description 1
- 238000002791 soaking Methods 0.000 description 1
- 239000007921 spray Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 231100000331 toxic Toxicity 0.000 description 1
- 230000002588 toxic effect Effects 0.000 description 1
Landscapes
- Paints Or Removers (AREA)
- Application Of Or Painting With Fluid Materials (AREA)
- Coating Of Shaped Articles Made Of Macromolecular Substances (AREA)
Description
【発明の詳細な説明】
本発明はポリプロピレン樹脂製部材の補修塗装
方法に関する。DETAILED DESCRIPTION OF THE INVENTION The present invention relates to a repair coating method for polypropylene resin members.
従来、ポリプロピレン樹脂製部材、例えば自動
車用バンパの損傷部を整形して再塗装する場合、
整形に用いられるパテと樹脂表面との密着性が悪
く完全な補修を行うことができないという問題が
ある。また下地処理としてエツチングプライマに
よる樹脂表面の化学的腐食が行われているが、毒
性の強い有機溶剤を使用するため、作業環境を汚
染するおそれがあり、また設備費も高価で、作業
性も悪いといつた問題もある。 Conventionally, when repairing and repainting damaged parts of polypropylene resin members, such as automobile bumpers,
There is a problem in that the putty used for shaping has poor adhesion to the resin surface, making complete repairs impossible. Chemical corrosion of the resin surface using an etching primer is also used as a base treatment, but since highly toxic organic solvents are used, there is a risk of contaminating the working environment, equipment costs are high, and workability is poor. There are also other problems.
本発明は上記に鑑み、ポリプロピレン樹脂およ
び塗膜に対して極めて優れた密着性を有し、下地
処理作業を安全且つ簡単に行うことのできる下地
処理剤およびその下地処理剤より得られる下地膜
に対して密着性の良好なパテを用い、前記従来の
問題点を解決した前記補修塗装方法を提供するこ
とを目的とする。 In view of the above, the present invention provides a base treatment agent that has extremely excellent adhesion to polypropylene resins and paint films and allows for safe and easy base treatment work, and a base film obtained from the base treatment agent. On the other hand, it is an object of the present invention to provide the above-mentioned repair painting method that uses putty with good adhesion and solves the above-mentioned conventional problems.
即ち、本発明は、ポリプロピレン樹脂製部材の
損傷部およびその近傍に、塩素化ポリオレフイン
樹脂を芳香族炭化水素系溶剤に溶解してなる下地
処理剤を塗布して下地膜を形成する工程と、前記
下地膜を乾燥する工程と、前記下地膜の表面に水
溶性エポキシ樹脂系パテを用いてパテ付けを行う
工程と、前記パテを乾燥する工程と、前記パテ付
け部分を含む前記部材の被塗面に前記下地処理剤
を塗布して下地膜を形成する工程と、前記下地膜
を乾燥する工程と、前記下地膜の表面に塗装を施
して塗膜を形成する工程と、前記塗膜を乾燥する
工程と、を用いることを特徴とする。 That is, the present invention provides a step of forming a base film by applying a base treatment agent prepared by dissolving a chlorinated polyolefin resin in an aromatic hydrocarbon solvent to the damaged portion of a polypropylene resin member and its vicinity; a step of drying a base film, a step of applying putty to the surface of the base film using a water-soluble epoxy resin putty, a step of drying the putty, and a coated surface of the member including the part to which the putty is applied. a step of applying the base treatment agent to form a base film, a step of drying the base film, a step of coating the surface of the base film to form a paint film, and a step of drying the paint film. It is characterized by using the steps.
前記下地処理剤はポリプロピレン樹脂および塗
膜に対して密着性が良好である。下地処理剤の配
合例を挙げれば、塩素化ポリオレフイン樹脂……
７％、芳香族炭化水素系溶剤……88％、添加剤…
…５％であり、この添加剤はポリプロピレン樹脂
に対する下地処理剤の密着性を助長し、また塩素
化ポリオレフイン樹脂および下地膜の保存性を向
上させる等のために使用されるもので、例えばリ
ニール樹脂等が該当する。前記水溶性エポキシ樹
脂系パテは、前記下地処理剤より得られる下地膜
に対して良好な密着性を呈する。 The base treatment agent has good adhesion to the polypropylene resin and the coating film. An example of a base treatment agent is chlorinated polyolefin resin...
7%, aromatic hydrocarbon solvent...88%, additive...
...5%, and this additive is used to promote the adhesion of the base treatment agent to the polypropylene resin, and to improve the storage stability of the chlorinated polyolefin resin and the base film. For example, it is used for linyl resin. etc. are applicable. The water-soluble epoxy resin putty exhibits good adhesion to the base film obtained from the base treatment agent.
次に、ポリプロピレン樹脂製部材としての自動
車用バンパが損傷した場合の整形、再塗装を含む
補修塗装作業について説明する。 Next, repair painting work including shaping and repainting when an automobile bumper made of a polypropylene resin member is damaged will be explained.
損傷の程度が甚だしい場合には補修するよりも
新たなものと交換した方が経済的であり、この点
を考慮すると整形、再塗装し得る損傷部の形態は
下記のように分類される。 If the damage is severe, it is more economical to replace it with a new one than to repair it. Taking this into consideration, the types of damaged parts that can be reshaped or repainted are classified as follows.
(A) 線状の浅い傷 深さ１mm以下、長さ300mmの傷が該当する。(A) Linear shallow scratches This applies to scratches with a depth of 1mm or less and a length of 300mm.
(B) 線状の深い傷
深さ２〜４mm、長さ200mm以下の傷が該当す
る。(B) Linear deep scratches This applies to scratches with a depth of 2 to 4 mm and a length of 200 mm or less.
(C) 凹状の傷（えぐり傷）
深さ４mm以下、幅20mm以下、長さ100mm以下
の傷が該当する。(C) Concave scratches (gouged scratches) Applicable to scratches with a depth of 4 mm or less, a width of 20 mm or less, and a length of 100 mm or less.
(D) 孔状の傷 孔の内径30mm以下の傷が該当する。(D) Hole-like wound This applies to scratches with a hole diameter of 30 mm or less.
前記(A)の線状の浅い傷の場合には、サンドペー
パにより損傷部を平らに研磨し、それに脱脂およ
び清掃工程、前記下地処理剤を用いた下地処理工
程、塗装および乾燥工程を順次施すことによりバ
ンパを補修塗装することができる。 In the case of shallow linear scratches as described in (A) above, the damaged area should be polished flat with sandpaper, and then subjected to a degreasing and cleaning process, a base treatment process using the base treatment agent, and a painting and drying process in sequence. This allows the bumper to be repainted.
前記(B)の線状の深い傷、(C)の凹状の傷、(D)の孔
状の傷の場合には、損傷部にパテ付けを行つて整
形しなければならない。 In the case of deep linear scratches (B), concave scratches (C), and hole-like scratches (D), the damaged area must be shaped with putty.
前記(B)〜(D)の損傷部を持つバンパの整形、再塗
装は以下の工程を経て行われる。 The bumper with the damaged parts (B) to (D) is shaped and repainted through the following steps.
() 損傷部の研磨工程
損傷部のささくれ等荒れた表面をサイドペー
パにより軽く削り取るように研磨する。() Process of polishing the damaged area Gently scrape away any rough surfaces such as hangnails on the damaged area using side paper.
() 脱脂、清掃工程
バンパ全体をシリコーンオフまたはアルコー
ルを用いてタツククロスにより拭き、静電気に
より付着している埃等の異物を除去し、その後
エアブロー清掃する。() Degreasing and cleaning process Wipe the entire bumper with a tack cloth using silicone wipes or alcohol to remove foreign matter such as dust that has adhered to it due to static electricity, and then clean with air blow.
() 損傷部の下地処理工程
損傷部およびその近傍に前記下地処理剤を吹
付けにより塗布して下地膜を形成し、その下地
膜を60℃で30〜40分間赤外線により強制乾燥す
る。前記(D)の孔状の傷の場合には損傷部の裏面
側にも下地処理剤を塗布する。() Base treatment step for damaged area The base treatment agent is applied to the damaged area and its vicinity by spraying to form a base film, and the base film is forcedly dried using infrared rays at 60°C for 30 to 40 minutes. In the case of hole-like scratches (D) above, a base treatment agent is also applied to the back side of the damaged area.
() パテ付け、乾燥工程
前記パテ損傷部に塗付け、その表面に水を付
けて清らかにする。前記(D)の孔状の傷の場合に
はバンパの表裏両面側よりパテを付ける。その
後パテを60℃で15〜20分間赤外線により強制乾
燥する。自然乾燥の場合は室温24℃で60分間で
ある。() Putty application and drying process Apply the putty to the damaged area and clean it by applying water to its surface. In the case of hole-like scratches (D) above, apply putty from both the front and back sides of the bumper. The putty is then force-dried using infrared light at 60°C for 15-20 minutes. In the case of natural drying, the drying time is 60 minutes at a room temperature of 24°C.
() パテの水研工程
乾燥後のパテを、それに水を付けながら荒い
耐水サンドペーパにより荒研ぎし、次いで細い
耐水サンドペーパにより仕上げ研ぎして、形を
整える。() Water-sanding process of putty After drying, putty is roughly sanded with rough water-resistant sandpaper while soaking it with water, and then final sanded with thin water-resistant sandpaper to adjust its shape.
() 脱脂、清掃工程
エアブローによりバンパの水切りを行つた
後、バンパ全体をシリコーンオフまたはアルコ
ールを用いてタツククロスにより拭き、静電気
により付着している埃等の異物を除去する。() Degreasing and cleaning process After draining the bumper with air blow, wipe the entire bumper with a tack cloth using silicone wipe or alcohol to remove foreign matter such as dust that has adhered due to static electricity.
() バンパ全体の下地処理工程
バンパ全体に前記下地処理剤を吹付けにより
塗布して下地膜を形成し、その下地膜を60℃で
30〜40分間赤外線により強制乾燥する。() Base treatment process for the entire bumper The base treatment agent is applied to the entire bumper by spraying to form a base film, and the base film is heated at 60°C.
Force dry with infrared light for 30-40 minutes.
() 塗装、乾燥工程
バンパの下地膜面に、常温乾燥型アクリルラ
ツカーまたは熱硬化型アクリルウレタン（２液
型）等の塗料を吹付けて塗膜を形成し、その塗
膜を自然または強制乾燥する。() Painting and drying process Spray a paint such as room temperature drying acrylic lacquer or heat curing acrylic urethane (two-component type) on the bumper's base film surface to form a paint film, and then dry or dry the paint film. dry.
上記（）〜（）工程を経て得られた損傷部
および非損傷部の塗膜にナイフにより碁盤目状の
切目を入れ、塗膜の密着性を調べたところ、極め
て良好であり、屈曲試験によつても塗膜の剥れが
生じることはなく、したがつて塗膜と下地膜、下
地膜とパテおよび下地膜とバンパ、即ちポリプロ
ピレン樹脂とが互いに強固に密着していることが
判明した。 A knife was used to make cuts in the form of a checkerboard on the damaged and non-damaged areas of the paint film obtained through steps () to () above, and the adhesion of the paint film was examined. The paint film did not peel off even after the test was repeated, and it was therefore found that the paint film and base film, the base film and putty, and the base film and bumper, that is, the polypropylene resin, were firmly adhered to each other.
なお、本発明は自動車用バンパに限らず、自動
二輪車のポリプロピレン樹脂製部材、例えばフエ
ンダ、フロントカバー等の補修塗装に適用され
る。 Note that the present invention is applicable not only to automobile bumpers but also to repair painting of polypropylene resin members of motorcycles, such as fenders and front covers.
以上のように本発明によれば、塩素化ポリオレ
フイン樹脂を芳香族炭化水素系溶剤に溶解した下
地処理剤を用いてポリプロピレン樹脂製部材の損
傷部およびその近傍に下地膜を形成するので、そ
の下地膜を前記部材に十分に密着させることがで
き、次いで下地膜表面にそれに対し密着性の良好
な水溶性エポキシ樹脂系パテを用いてパテ付けを
行うので、前記パテを下地膜に確実に付着させる
ことができる。その後パテ付け部分を含む前記部
材の被塗面に前記下地処理剤により下地膜を形成
し、その下地膜表面に塗装を施すので、塗膜を下
地膜に強固に密着させることができる。 As described above, according to the present invention, a base film is formed on the damaged part of a polypropylene resin member and its vicinity using a base treatment agent prepared by dissolving chlorinated polyolefin resin in an aromatic hydrocarbon solvent. The base film can be brought into sufficient adhesion to the member, and then putty is applied to the surface of the base film using a water-soluble epoxy resin putty with good adhesion, so the putty can be reliably attached to the base film. be able to. Thereafter, a base film is formed using the base treatment agent on the surface of the member to be coated, including the puttyed portion, and the surface of the base film is coated, so that the coating film can be firmly adhered to the base film.
したがつてポリプロピレン樹脂製部材の損傷
部、特に線状の深い、凹状の傷および孔状の傷等
の補修塗装を容易且つ完全に行うことができる。
また下地膜は前記下地処理剤の塗布、乾燥により
得られるので、下地処理作業を安全且つ簡単に行
うことができ、また設備費も安価である。 Therefore, repair painting of damaged parts of polypropylene resin members, particularly deep linear scratches, concave scratches, hole-shaped scratches, etc., can be easily and completely performed.
Further, since the base film is obtained by applying and drying the base treatment agent, the base treatment work can be performed safely and easily, and the equipment cost is low.
Claims (1)
の近傍に、塩素化ポリオレフイン樹脂を芳香族炭
化水素系溶剤に溶解してなる下地処理剤を塗布し
て下地膜を形成する工程と、前記下地膜を乾燥す
る工程と、前記下地膜の表面に水溶性エポキシ樹
脂系パテを用いてパテ付けを行う工程と、前記パ
テを乾燥する工程と、前記パテ付け部分を含む前
記部材の被塗面に前記下地処理剤を塗布して下地
膜を形成する工程と、前記下地膜を乾燥する工程
と、前記下地膜の表面に塗装を施して塗膜を形成
する工程と、前記塗膜を乾燥する工程と、よりな
るポリプロピレン樹脂製部材の補修塗装方法。1. A step of forming a base film by applying a base treatment agent prepared by dissolving a chlorinated polyolefin resin in an aromatic hydrocarbon solvent to the damaged part of the polypropylene resin member and its vicinity, and drying the base film. a step of applying putty to the surface of the base film using a water-soluble epoxy resin putty; a step of drying the putty; and a step of applying the base treatment agent to the coated surface of the member including the part to which the putty is applied. a step of coating the base film to form a base film, a step of drying the base film, a step of applying paint to the surface of the base film to form a paint film, and a step of drying the paint film. Repair painting method for polypropylene resin parts.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP56114298A JPS5815535A (en) | 1981-07-21 | 1981-07-21 | Repair painting method for polypropylene resin parts |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP56114298A JPS5815535A (en) | 1981-07-21 | 1981-07-21 | Repair painting method for polypropylene resin parts |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS5815535A JPS5815535A (en) | 1983-01-28 |
| JPS6112937B2 true JPS6112937B2 (en) | 1986-04-10 |
Family
ID=14634359
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP56114298A Granted JPS5815535A (en) | 1981-07-21 | 1981-07-21 | Repair painting method for polypropylene resin parts |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS5815535A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US11485831B2 (en) | 2013-11-08 | 2022-11-01 | Dow Global Technologies Llc | Primerless paint composition, methods of manufacture thereof and articles comprising the same |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH026881A (en) * | 1988-06-27 | 1990-01-11 | Sanko Phoenix Kk | Painting method of building and structure surface |
-
1981
- 1981-07-21 JP JP56114298A patent/JPS5815535A/en active Granted
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US11485831B2 (en) | 2013-11-08 | 2022-11-01 | Dow Global Technologies Llc | Primerless paint composition, methods of manufacture thereof and articles comprising the same |
Also Published As
| Publication number | Publication date |
|---|---|
| JPS5815535A (en) | 1983-01-28 |
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