JP3129006B2 - Painting method - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION The present invention relates to automobiles, motorcycles,
The present invention relates to a method for coating the surface of vehicles such as trains, household appliances such as refrigerators and washing machines, various OA devices, and vending machines. In particular, the present invention relates to a coating method suitable for coating a vehicle surface to which a so-called embedded marking material is adhered and for color-coding a vehicle using a masking member.

[0002]

2. Description of the Related Art Conventionally, as a method of decoratively painting an automobile body or the like, a color-coded paint is applied by using a plurality of paints, or a paint of a different color is applied after attaching a decorative marking material. Is widely practiced.

[0003] In the case of color-coding with a plurality of paints, the entire surface of the vehicle body or the like is primed or, if necessary, coated with a middle coat, and then the non-coated surface is covered with a masking member and then covered. The method of applying a paint of a different color from the color of the undercoat or intermediate paint as an intermediate coat or a top coat, drying, and then peeling off the masking member, or coating the non-coated surface with the masking member, partially Paint the surface of the car body etc.
Drying, then peeling off the masking member, then applying a paint of a different color from the color of the coated surface after coating the coated surface with the masking member, drying, and then peeling off the masking member Etc. are used.

In the case where a decorative marking material is used, a decorative marking material including a marking material and a masking member in the form of a laminate is attached to a vehicle body or the like.
A method in which a paint is applied, dried, and then the masking member is peeled off is used.

[0005] In the case of coating using such a decorative marking material, in order to facilitate the work of peeling off the masking member, the masking member is selected from the group consisting of any one of a temperature, a temperature, and a shrinkage rate at which thermal shrinkage occurs. Alternatively, there has been disclosed a technique in which two sheet-like materials differing in their combination are joined and a multi-layered masking material is used (Japanese Patent Laid-Open No. Sho 62-62).
210069). Further, a coating tape in which a heat-shrinkable film is laminated on a base paper (masking member) is disclosed (JP-A-61-25656).

[0006]

However, when the undercoating or intermediate coating is applied to the entire surface of a vehicle body or the like, and then a color-coded coating is applied, the intermediate coating or topcoating is applied, dried, and then the masking member is peeled off. When performing the peeling operation of the masking member by hand, it is easy to damage the edge of the intermediate coating or top coating applied surface that is in contact with the masking member, and it takes a long time until the coating of the intermediate coating or top coating is dried. Had to be dried. Also, even when the coating surface of the intermediate coating or the top coating is sufficiently dried, the peeling of the masking member causes the end thereof to be damaged or a step to be formed in a portion abutting on the masking member, resulting in a good-looking appearance. Could not get.

[0007] Even when the color-coded coating is partially applied, if the coating surface applied first is not sufficiently dried and is fluid, it is not possible to apply a masking member to cover the coating surface. It had to be dried for a long time until the coated surface became dry. Also, when the masking member is peeled off after the color-coded coating, there has been a problem in appearance such as damage or breakage of the coating surface edge or occurrence of a step as described above.

In the case where a decorative marking material is used, a steel plate which has been subjected to undercoating and intermediate coating is used as an adherend.
Since the top coat is applied after the marking material is applied, the marking material is buried in the top coating layer, and it is extremely difficult to peel off the masking member by hand, and a step is likely to occur between the applied surface and the marking material. At the same time, there is a problem that the work requires a long time. This tendency is particularly remarkable in a marking material which is stamped into various characters, figures, and the like for decoration purposes, and particularly in the case of a marking material made into a rose character or a rose figure. Further, in order to prevent damage to the coated surface and the edge when the masking member is peeled off, the coated surface has to be dried for a long time until the coated surface dries.

Further, in the technology using a heat-shrinkable masking member disclosed in the above-mentioned publication, any one using or forming a heat-shrinkable sheet or film as a masking member or on the masking member is used. It requires a strict heat treatment step on the premise of the stripping work, requires a long working time, increases the cost, and may have insufficient or non-uniform shrinkage.
Sometimes it was not enough. In addition, the heating may have an adverse effect such as blistering on the coated portion.

[0010] If there is a step on the coating surface after applying the coating, it is necessary to treat the surface with a tape or a compound to fill the step, which increases the cost due to an increase in the number of steps and the like. There is a problem in that wax and dust easily accumulate, and at the time of cleaning, a brush or the like is caught on a step portion and the applied surface is easily damaged.

SUMMARY OF THE INVENTION The present invention has been made in view of the above problems, and when applying a decorative coating to an automobile body or the like, it is possible to obtain a beautiful appearance without forming a step on the coating surface, An object of the present invention is to provide a coating method capable of performing work easily and at low cost.

[0012]

Means for Solving the Problems The inventors of the present invention have made intensive studies to achieve the above object, and as a result, it has been found that it is effective to fix a peeling member on a masking member to obtain a beautiful coated surface. And completed the present invention.

That is, the present invention provides a method for applying a marking material containing a marking material and a masking member in the form of a laminate to an adherend and coating the surface of the adherend,
(I) a step of applying the marking material to the surface of the adherend from the side of the marking material, (II) a step of fixing a peeling member for peeling off the masking member to the masking member surface,
(III) a step of applying a paint to the surface of the adherend; and (I)
V) Provided is a method for coating a surface of an adherend to which a marking material has been applied, including a step of peeling off a masking member using a peeling member.

Further, in a method of applying a so-called color-coded coating in which a masking member is attached to a non-coated surface of a surface to be coated to change the color between the non-coated surface and the coated surface, (I) (II) a step of attaching a release member for releasing the masking member to the masking member surface, (III) a step of applying paint to the surface to be coated, and (IV) using a release member. And providing a color-coded coating method including a step of peeling off the masking member.

Further, the present invention provides the coating method, wherein the masking member is peeled off in the step (IV) before the paint is dried.

Further, the present invention provides the coating method, wherein a transparent protective layer is applied after the step (IV).

Hereinafter, the present invention will be described in detail. For convenience of explanation, a coating method using a marking material will be described. However, the same applies to a case where a color-coded coating is performed only by a masking member without using a marking material. The marking material used in the present invention is, as shown in FIG.
And as a laminate 1 consisting of a masking member 3 for protecting its surface during storage and during the sticking operation,
If necessary, the release material 4 may be provided by lamination, or as shown in FIG. 1B, the application tape 5 for transfer may be provided by lamination.

Here, as the marking material, tapes, sheets, emblems or the like made of various types of paper, fiber, plastic or metal can be used. As the masking member, tapes or sheets made of various kinds of paper, fiber, or plastic can be used.

Next, the step (I) will be described. FIG.
In sticking the marking material 1 shown in (b) to the adherend, the peeling material 4 is peeled from the marking material 2 to expose the adhesive applied to the marking material 2, and the hand, squeegee, etc. To the adherend using an appropriate jig. Thereafter, the transfer application tape 5 is peeled off from the masking member 3.

In particular, when the adherend is a car body or the like, before the marking material is adhered to the adherend, the adherend is sequentially subjected to treatments such as primer coating, baking, intermediate coating, and baking. Is done.

Next, the step (II) will be described. After sticking the marking material to the adherend, a peeling member for easily peeling off the masking member from the marking material is fixed on the surface of the masking member.

Here, the material of the peeling member is not particularly limited, and any of magnet, metal, glass, ceramic, plastic, wood, and the like can be used. Although the number of used characters is not particularly limited, in the case of loose characters, loose figures, and the like, it is desirable to provide a number corresponding to the number of separated characters and figures.

When a plurality of peeling members are used, one using one kind of material may be used in unified manner, or a plurality of materials using different materials may be used in combination.

In particular, when the adherend is a car body or the like, since the adherend is a steel plate, it is desirable that the magnet be a magnet that can be temporarily fixed before being fixed by an adhesive.

The shape of the peeling member is not particularly limited, and any shape may be used as long as it is stable on the surface of the masking member and easy to grasp with a hand or a jig. it can. Specific examples include a cylinder, a prism, a spindle shape, a drum shape, and the like.

The length of the peeling member in the longitudinal direction is 5 mm to 30
mm is desirable. If it is less than 5 mm, it is difficult to grasp by hand.
If it exceeds 0 mm, it becomes unstable on the surface of the masking member.

It is desirable that the portion having the maximum size of the bottom surface of the peeling member (the surface in contact with the surface of the masking member) is smaller than the width of the marking material to be affixed. This is because the bottom surface of the peeling member may protrude from the marking material and damage the surface of the adherend, particularly the applied surface.

The member for fixing the peeling member to the masking member is not particularly limited, and may be any method using, for example, an adhesive, a pressure-sensitive adhesive, a double-sided tape, or a surface fastener.

Here, the type of the adhesive and the pressure-sensitive adhesive are not particularly limited. For example, an acrylic, vinyl acetate, rubber, urethane-based adhesive or a so-called instant adhesive is preferably used. it can. In particular, when the adherend is a car body or the like, it is necessary to apply a top coat, and a cross-linking type which is not attacked by a solvent of the paint is desirable.

After the marking material is applied to the adherend, the peeling member can be fixed on the surface of the masking member so that the marking material can be easily applied and can be uniformly applied over the entire surface of the material. However, for the convenience of the attaching step, a member in which the peeling member is first fixed on the surface of the masking member may be attached to the adherend.

Next, the step (III) will be described. In this step, a paint is applied to the surface of the adherend to which the marking material or the masking member has been attached. As a method of applying the coating material used in the present invention, a method suitable for the adherend can be appropriately selected and used. Specifically, an air atomizing electrostatic coating method, a rotary atomizing electrostatic coating method, a spray An application method such as an application method or a brush application method can be used. Further, the paint to be applied is not particularly limited, but specifically, a liquid paint such as an acrylic paint, a urethane paint, or a vinyl chloride paint containing a certain amount of an organic solvent or an aqueous solvent. Can be used.

In the case of applying a so-called embedding type marking material, in which the marking material is applied to the adherend and then subjected to a further coating treatment, the masking member is buried in the coating layer. Since the peeling member fixed to the surface of the member protrudes, the peeling of the masking member can be easily realized by picking up the peeling member without damaging the coating layer, and no step is generated.

In particular, when the adherend is a car body or the like,
After the marking material is applied to the steel plate to which the undercoat and the intermediate coat have been applied, it is necessary to further apply a top coat, and thus it is a preferable application example of the present invention.

Next, the step (IV) will be described. After the peeling member is fixed on the surface of the masking member, the peeling member is picked up by hand or using an appropriate jig. as a result,
Since the adhesive force between the peeling member and the masking member is set to be larger than the contact (sticking) adhesive force between the marking material and the masking member, the masking member is peeled off from the marking material in a state of being fixed to the peeling member. . In this case, if the masking member is peeled off before the paint is dried, immediately after the masking member is peeled, even if there is a step on the application surface, the solvent in the paint is vaporized, and the paint shrinks and dries. In the process, since the paint still has fluidity, the step is eliminated. Also, after peeling off the masking member, to protect the surface of the marking material, to improve the aesthetic appearance, furthermore, when applying a color-coded coating, to maintain the smoothness of the painted surface, even if provided with a transparent protective layer good.

[0035]

The present invention will be described below in detail with reference to examples. In this embodiment, a case where the marking material is attached to the body of an automobile will be described with reference to FIGS. The same applies to the case where only the masking member is used without using the marking material. Here, FIG.
FIG. 3 is a cross-sectional view illustrating a coating procedure when a marking material is applied in the present embodiment, and FIG. 3 is an explanatory diagram illustrating a state in which a peeling member is fixed on the marking material in the present embodiment. As the marking material 1, a laminate of application tape SCPM-3Y manufactured by Sumitomo 3M Limited on Scotch Cal # 3650 manufactured by Sumitomo 3M Limited, was punched into a character shape having a size of approximately 40 mm x 40 mm, and rose letters for decoration were used. Was used. The width of the line portion constituting the character was about 10 mm. The marking material 2 is made of vinyl chloride and an acrylic adhesive, and has a thickness of 80 μm. The masking member 3 is made of Japanese paper and a rubber adhesive, and has a thickness of 12 μm.
The thing of 0 μm was used. After the release material 4 has been removed, FIG.
As shown in (a), an adherend 6 in which a laminate of the marking material 2 and the masking member 3 is subjected to undercoating and intermediate coating is applied.
The marking material 2 was attached to the body of the automobile using a hand and a squeegee so as to be entirely flat.

Next, the diameter of the bottom surface of the peeling member 7 is about 4 mm.
A cylindrical magnet having a height of about 13 mm and a height of about 13 mm
As shown in FIG. 2B and FIG. 3, a synthetic rubber phenolic adhesive EC776 manufactured by Sumitomo 3M Ltd. was used to vertically fix the masking member 3 on the surface.

Next, as shown in FIG. 2C, a top coat was applied by spray coating to form a coating layer 9. Before the coating layer 9 was completely dried, the magnet 7 was picked up by hand. As a result, as shown in FIG. 2 (d), the masking member 3 is peeled off without damaging the coating layer 9, and since the coating layer 9 is not completely dried, the coating remains fluid. As a result, the step immediately after the masking member was peeled was gradually reduced, and finally, the top coat layer 9 and the marking material 2 had substantially the same surface, and an appearance without a step could be obtained. Thereafter, as shown in FIG. 2E, a transparent protective layer 10 made of an acrylic resin was formed on the marking material 2 by spray coating and dried. Finally, a decoration having a beautiful appearance having no steps at the boundary between the top coat layer 9 and the marking material 2 could be applied to the vehicle body.

[0038]

As described above, according to the present invention,
When applying a decorative coating, there is provided a coating method capable of obtaining a beautiful appearance without causing a step on a coating surface and performing a coating operation easily and inexpensively. In particular, in the case of a so-called embedded type in which a marking material is attached to a car body or the like that requires a top coat application, the present invention eliminates the difficulty of peeling work, and is easy and inexpensive, and has no beautiful steps. A decoration having an appearance can be applied to a vehicle body or the like.

[Brief description of the drawings]

FIG. 1 is a cross-sectional view showing a configuration of a marking material.

FIG. 2 is a cross-sectional view showing a coating procedure when a marking material is adhered in the example.

FIG. 3 is an explanatory view showing a state in which a peeling member is fixed on a marking material in the example.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 ... Marking material 2 ... Marking material 3 ... Masking member 4 ... Release material 5 ... Application tape 6 ... Adherend 7 ... Release member 8 ... Fixing member 9 ... Coating layer 10 ... Transparent protective layer

Continuation of the front page (58) Field surveyed (Int.Cl. ⁷ , DB name) B05D 1/00-7/26 B05B 15/04

Claims (9)

(57) [Claims] 1. A method of applying a marking material containing a marking material and a masking member in the form of a laminate to an adherend and coating the surface of the adherend, wherein (I) applying the marking material from the marking material surface side A step of sticking to the body surface, (II) a step of fixing a peeling member for peeling off the masking member to the masking member surface, (III) a step of applying a paint to the surface of the adherend, and (IV) peeling A method for coating a surface of an adherend to which a marking material has been attached, comprising a step of peeling off a masking member using a member. 2. A method of applying a masking member to an uncoated surface of a surface to be coated and performing color-coded coating, wherein (I) a step of applying a masking member to an uncoated surface of the surface to be coated;
I) a step of fixing a peeling member for peeling off the masking member to the masking member surface, (III) a step of applying paint to the surface to be coated, and (IV) a step of peeling off the masking member using a peeling member A color-coded coating method comprising: 3. The method according to claim 1, wherein the peeling of the masking member in the step (IV) is performed before the paint is dried.
Or the coating method described in 2. 4. The coating method according to claim 1, wherein a transparent protective layer is applied after the step (IV). 5. The method according to claim 1, wherein in the step (II), the peeling member is fixed to the masking member surface using an adhesive, a pressure-sensitive adhesive, a double-sided tape or a surface fastener. Painting method. 6. The peeling member may be a cylindrical or prismatic magnet, metal, glass, ceramic, plastic, or
The coating method according to any one of claims 1 to 5, wherein the coating method is made of wood. 7. A longitudinal length of the peeling member is 5 mm.
The coating method according to any one of claims 1 to 6, wherein the thickness is from 30 to 30 mm. 8. The coating method according to claim 1, wherein the marking material is a film, a tape, a sheet, or an emblem. 9. The method according to claim 1, wherein the adherend or the surface to be coated is a vehicle, a household appliance, or a vending machine.