JP2006035949A - Automobile interior component - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide an automobile interior component made by laminating nonwoven skin on a glass mat base material, and keeping good appearance even if the nonwoven skin with low basis weight is used. <P>SOLUTION: A molded ceiling 10 is composed of a base material 20 and the nonwoven skin 30 using the nonwoven fabric with low basis weight. In the base material 20, a colored resinous film 22, and a resinous film (white) are integrally laminated on both surfaces of a glass mat 21, and the colored resinous film 22 side is integrally presses against the nonwoven skin 30. Therefore, in a deep drawing portion wherein the nonwoven skin 30 is stretched out, the colored resinous film 22 prevents lowering in appearance even if the inside is transparent. Consequently, good appearance can be kept with a lightweight and inexpensive structure. <P>COPYRIGHT: (C)2006,JPO&NCIPI

Description

  The present invention can be applied not only to automobile interior parts such as molded vehicle ceilings, rear parcel shelves, and rear trays, but also to luggage side trims and trunk side trims used as wall materials in luggage rooms and trunk rooms. More particularly, the present invention relates to an automotive interior part that is lightweight and inexpensive and has excellent appearance performance.

  Normally, various interior parts are mounted on the interior side of the vehicle body panel. These interior parts enhance the aesthetics of the vehicle interior and provide a comfortable interior space for passengers by various functions such as sound absorption performance and heat insulation performance. For example, as shown in FIG. 5, the molded ceiling 2 attached to the interior surface of the roof panel 1 of the vehicle body is formed in a slightly curved shape so as to follow the shape of the roof panel 1 of the vehicle body. In part 2, a sun visor storage recess 2a for storing the sun visor 1a is set.

  As shown in FIG. 6, the material of the conventional molded ceiling 2 has a shape retaining property, a base material 3 having a mounting rigidity with respect to the roof panel 1, and is attached to the surface of the base material 3. It is composed of a non-woven skin 4 that enhances performance and is inexpensive. Usually, since the base material 3 is preferably a material that has excellent heat insulation performance and sound absorption performance, is lightweight, and is inexpensive, olefin resin fibers such as glass fibers and polypropylene resin fibers are appropriately mixed to form a mat. The base material 3 is configured by laminating and integrating PP resin films 3b and 3c that reinforce rigidity on both surfaces of the integrated glass mat 3a and laminating a hot melt film 3d as an adhesive medium with the non-woven skin 4. And in order to shape | mold the shaping | molding ceiling 2 in a required shape, after heat-softening the base material 3 and the nonwoven fabric skin 4 with an infrared heating furnace etc., it integrally press-molds to a required shape by cold press molding (for example, (See Patent Document 1).

JP 2002-215169 A

  As described above, in the conventional molded ceiling 2, when the light and inexpensive glass mat 3a is used, the white olefin resin films 3b and 3c are laminated and integrated on both surfaces of the glass mat 3a in order to reinforce the rigidity. The base material 3 is comprised. Therefore, when the base material 3 and the non-woven fabric skin 4 are integrally press-molded, the non-woven skin 4 is stretched at the deep drawing portion as in the sun visor housing recess 2a, and the white olefin resin film 3b from the fiber gap of the non-woven skin 4 Has been pointed out as a disadvantage that it is transparent to the outside and deteriorates the appearance performance.

Furthermore, in order to prevent the nonwoven fabric skin 4 from see-through, the basis weight of the nonwoven fabric skin 4 must be set to a high basis weight such as 150 g / m ² or more, resulting in an increase in weight and cost. It has been pointed out. In addition, since the interior is transparent through the fiber gap of the nonwoven fabric skin 4, the degree of freedom of modeling interior parts such as the molded ceiling 2 is restricted to a simple shape that avoids the deep drawing part, and thus the degree of freedom of modeling is limited. The point is also pointed out at the same time.

  The present invention has been made in view of such circumstances, and it is possible to reduce the basis weight of the nonwoven fabric skin by devising the configuration of the base material employing the glass mat, which is a lightweight and inexpensive configuration. However, it is an object of the present invention to provide an automotive interior part that suppresses a decrease in appearance.

  In order to achieve the above-mentioned object, the present invention attaches a non-woven skin to the surface of a base material in which a resin film that reinforces rigidity is laminated on both sides of a glass mat, and forms it into a shape that almost matches the surface shape of a vehicle body panel. In the interior part for automobiles, the opposite side of the non-woven fabric skin of the base material is laminated with a colored resin film colored in the same color as the coloring of the non-woven skin.

  Furthermore, in another embodiment of the present invention, a non-woven skin is stuck on the surface of a base material in which a resin film that reinforces rigidity is laminated on both sides of a glass mat, and is formed into a shape that substantially matches the surface shape of a vehicle body panel. The interior part for automobiles is characterized in that a colored hot melt film colored in the same color as the coloring of the nonwoven fabric skin is used as an adhesive medium between the substrate and the nonwoven fabric skin.

  Here, as interior parts for automobiles, in addition to molded ceilings, rear parcel shelves, and rear trays that are mounted on the interior surface of the body panel, luggage side trims that are mounted on the body panel as wall materials in the luggage room and trunk room, Can also be used for trunk side trim.

  As a structure of a base material, it is laminated | stacked on both surfaces of a glass mat and a glass mat, and is comprised from the resin film which strengthens rigidity. As the glass mat, glass fibers and polyolefin resin fibers such as polypropylene resin fibers accumulated in a mat shape, or glass mats in which polyolefin resin is mixed into glass fibers as a binder can be used.

  And while supplying a glass mat to a mat form, the resin film extruded from the extruder on both surfaces of this glass mat is crimped | bonded by a crimping | compression-bonding roll, and a resin film can be integrated on both surfaces of a glass mat. A hot melt film (for example, a polyethylene film) as an adhesive medium is laminated on one surface side (nonwoven fabric skin facing side) of the base material.

Next, the nonwoven fabric skin can be a polyester fiber nonwoven fabric or a blended nonwoven fabric of polyester fiber and polypropylene fiber, and is colored in a desired color such as gray or beige to ensure good appearance performance. . The basis weight of the nonwoven fabric epidermis, the range of 15~150g / m ² is preferred. When the basis weight of the nonwoven fabric skin is less than 15 g / m ² , tearing occurs at the time of molding, and the product is not established. On the other hand, if the basis weight of the non-woven skin exceeds 150 g / m ² , the cost is increased and the weight is increased.

  And according to this invention, among the resin films laminated | stacked on both surfaces of a glass mat, the skin facing side uses the colored resin film which carried out the coloring process to the same color as the coloring of a skin, or a base material and a nonwoven fabric skin As the hot melt film as the adhesive medium between the two, the use of a colored hot melt film colored in the same color as the non-woven skin, the weight per unit area of the non-woven skin so as to reduce the weight and reduce the cost. Is reduced, even if the base material surface is exposed from the fiber gap of the nonwoven fabric skin, both are colored in the same color, so that the appearance performance can be maintained satisfactorily.

  Furthermore, even if the non-woven skin is stretched in the deep drawn part and the inside is transparent, the colored resin film or the colored hot melt film does not deteriorate the appearance performance. The degree of freedom can be increased.

  As described above, the automotive interior part according to the present invention has a configuration in which a nonwoven fabric skin is attached to a base material in which a resin film is laminated on both surfaces of a glass mat, and is arranged on the base material side in accordance with the coloring of the nonwoven skin. Since the same color is applied, even if the base material surface is exposed to the outside from the fiber gap of the nonwoven fabric skin during molding, it is the same color as the nonwoven skin, so that the appearance performance can be maintained well. Since the basis weight of the non-woven skin can be reduced, the weight can be reduced and the cost can be reduced.

  Furthermore, by coloring the same color as the nonwoven fabric skin on the base material side, which is made by laminating resin films on both sides of the glass mat, the transparency of the nonwoven fabric skin does not affect the appearance, making it possible to form deep drawn parts. , It has the effect that the modeling freedom can be improved dramatically.

  DESCRIPTION OF EMBODIMENTS Hereinafter, preferred embodiments of an automotive interior part according to the present invention will be described in detail with reference to the accompanying drawings.

  1 to 4 show the present invention applied to a molded ceiling, FIG. 1 is a plan view of the molded ceiling, FIG. 2 is a sectional view showing the configuration of the molded ceiling, and FIG. 3 is an explanation showing the material of the molded ceiling. FIG. 4 and FIG. 4 are explanatory views showing a modification of the material of the molded ceiling.

  In FIG. 1, a molded ceiling 10 has an outer shape that covers an interior surface of a vehicle roof panel (not shown in FIG. 1), a sun visor storage recess 10a for storing a sun visor is provided in the front side edge, and a lamp is provided in the center. A mounting hole 10b is opened. Furthermore, it is formed in a gently curved shape in which assist grip storage recesses 10c are provided on both sides of the rear seat side and the front seat side of the passenger seat. Then, as shown in FIG. 2, the molded ceiling 10 is formed by laminating and integrating a non-woven skin 30 excellent in surface texture and feel on the surface of the base material 20 having shape retention and mounting rigidity to the roof panel. Has been.

  Next, specific configurations of the substrate 20 and the nonwoven fabric skin 30 will be described with reference to FIG. First, in the base material 20, resin films 22 and 23 are laminated and integrated on both surfaces of the glass mat 21 in order to reinforce rigidity, and the surface of the resin film 22 on the nonwoven fabric skin 30 side is an adhesive medium with the nonwoven fabric skin 30. A working hot melt film 24 is laminated.

  More specifically, the glass mat 21 is obtained by mixing and stirring glass fibers and polypropylene fibers at an appropriate mixing ratio and accumulating in a mat shape. In this embodiment, the mixing ratio is polypropylene with respect to 10 to 20 parts by weight of the glass fibers. Although it mix | blends by the ratio of 80-90 weight part of fibers, this compounding ratio can also be changed suitably. Further, as the resin films 22 and 23 laminated on both surfaces of the glass mat 21, a polypropylene resin film having a thickness of 30 to 200 μm is used. In particular, in this embodiment, the resin film 22 on the nonwoven fabric skin 30 side is a nonwoven fabric. It is colored to the same color as the coloring of the epidermis 30 (hereinafter referred to as the colored resin film 22). As the hot melt film 24, a polyethylene film is used.

  Next, the formation process of the base material 20 is demonstrated. First, a glass mat 21 mixed with glass fibers and polypropylene fibers is accumulated in a mat shape on a conveyor, and a colored resin film 22 and a resin film (white) 23 are extruded from both sides of the glass mat 21 from an extruder, followed by pressure bonding. The colored resin film 22 and the resin film (white) 23 are laminated and integrated on both surfaces of the glass mat 21 by rolls, and the hot melt film 24 is integrated on the colored resin film 22 surface by frame lamination.

On the other hand, the nonwoven fabric skin 30 is a nonwoven fabric with a low basis weight and is set to a basis weight of 15 to 150 g / m ² . When the basis weight of the nonwoven fabric is less than 15 g / m ² , tearing occurs and the product does not hold. Moreover, when the fabric weight of a nonwoven fabric exceeds 150 g / m < ² >, while raising a cost, it becomes a factor of weight increase. And if the base material 20 is heat-softened to predetermined temperature with heating apparatuses, such as an infrared heating furnace, and if it shape | molds integrally with the nonwoven fabric skin 30, the shaping | molding ceiling 10 can be shape | molded in the shape shown in FIG.

  Further, in the present invention, even when a nonwoven fabric having a low weight per unit area is used as the nonwoven fabric skin 30, for example, the sun visor housing recess 10a and the like are deep drawn portions, and the nonwoven fabric skin 30 is stretched and the fiber gap of the nonwoven fabric is However, in the present invention, the colored resin film 22 is used on the opposite side of the non-woven skin 30 and the same color as the non-woven skin 30 is applied. Good appearance performance can be maintained without giving. Therefore, even if the non-woven skin 30 using a non-woven fabric with a low basis weight is used as compared with the conventional basis weight, the weight and cost can be reduced without any deterioration in the appearance performance. Moreover, since the deep drawing part etc. of the shaping | molding ceiling 10 can be set freely, there also exists an advantage that a modeling freedom degree can be raised.

  FIG. 4 shows a modification of the above-described embodiment. In this modification, the base material 20 is formed by laminating the resin films 23 and 23 on both surfaces of the glass mat 21, and a low basis weight nonwoven fabric is used. The structure of press-integrating the nonwoven fabric skin 30 is the same, but in this modification, a colored hot melt film 25 is used as an adhesive medium between the substrate 20 and the nonwoven fabric skin 30.

  Therefore, even if the nonwoven fabric skin 30 and the base material 20 using a nonwoven fabric with a low basis weight are integrated, or the inside is transparent through the fiber gap of the nonwoven fabric skin 30, the colored hot melt film 25 has the same color as the nonwoven fabric skin 30. Since it is colored, the appearance performance is not deteriorated, and similar to the above-described embodiment, it has the same effect that it can maintain good appearance performance while being lightweight and inexpensive.

  The embodiment described above is applied to the molded ceiling 10 attached to the roof portion of the vehicle body panel. In addition to the interior parts equipped in the vehicle interior such as the rear parcel shelf and the rear tray, The present invention can also be applied to wall materials such as luggage side trims and trunk side trims in the trunk room.

  In addition to the glass fiber mat obtained by mixing glass fibers and olefin resin fibers, a glass fiber mat obtained by mixing glass fibers and a synthetic resin binder can also be used as the configuration of the glass mat.

It is the front view which looked at the molded ceiling which applied the interior component for motor vehicles concerning the present invention from the room inner side. FIG. 2 is a cross-sectional view taken along line II-II in FIG. 1 and is a cross-sectional view showing a configuration of a molded ceiling. It is explanatory drawing which shows the raw material structure of the shaping | molding ceiling shown in FIG. It is explanatory drawing which shows the modification of the raw material structure of the shaping | molding ceiling shown in FIG. It is sectional drawing which shows the structure of the conventional shaping | molding ceiling. It is explanatory drawing which shows the raw material structure used for the conventional shaping | molding ceiling.

Explanation of symbols

10 Molded ceiling 10a Sun visor storage recess (deep drawing part)
20 Substrate 21 Glass Mat 22 Colored Resin Film 23 Resin Film (White)
24 Hot melt film 25 Colored hot melt film 30 Non-woven skin (low-weight non-woven fabric)

Claims (3)

A non-woven skin (30) is pasted on the surface of a base material (20) in which resin films (22, 23) that reinforce rigidity are laminated on both surfaces of a glass mat (21), and the shape almost matches the surface shape of a vehicle body panel. An automotive interior part (10) formed into
The interior of an automobile characterized in that a colored resin film (22) colored in the same color as the color of the nonwoven fabric skin (30) is laminated on the opposite side of the nonwoven fabric skin (30) of the base material (20). parts. A non-woven skin (30) is pasted on the surface of a base material (20) in which resin films (23, 23) that reinforce rigidity are laminated on both surfaces of a glass mat (21), and the shape substantially matches the surface shape of a vehicle body panel. An automotive interior part (10) formed into
A colored hot melt film (25) colored in the same color as the color of the nonwoven fabric skin (30) is used as an adhesive medium between the substrate (20) and the nonwoven fabric skin (30). Automotive interior parts. Automobile interior part according to claim 1 or 2 weight per unit area of the nonwoven fabric skin (30) is characterized in that it is set to a low basis weight of 15~150g / m ^2.

Images