JP2012245176A - Sports gear - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a sports gear having a high-class glossy design.SOLUTION: (1) The sports gear has a member body, a mirrored surface layer on the outside of the member body, and a colored clear layer and a transparent clear layer on the outside of the mirrored surface layer, wherein the colored clear layer and/or the transparent clear layer contains a luminescent inorganic pigment. (2) The sports gear of (1) has a base coating layer between the member body and the mirrored surface layer, wherein the transparent clear layer, colored clear layer, and transparent clear layer are formed in order on the outside of the mirrored surface layer. (3) The sports gear (1) or (2) has the colored clear layer and/or the transparent clear layer having a content of the luminescent inorganic pigment of 1 to 10 wt.%.

Description

  The present invention relates to sports equipment such as fishing rods, golf clubs, tennis rackets, skis, and ski stocks. Particularly preferred is a golf club.

  Various sporting goods as described above are used in the natural world where they are directly exposed to sunlight. Conventionally, the outer surface of the sporting goods is coated with a paint mixed with, for example, metal particles during the coating process to form a coating film that exhibits a glittering appearance.

Japanese Patent Application No.11-98937

  There has been a demand for sporting goods with higher gloss and higher design.

  As a result of intensive studies, the present inventors have found that the use of the glittering inorganic pigment in a special form can improve the design, and the present invention has been completed. Specifically, the problems of the present invention can be solved by the following invention.

  (1) A member body and a mirror layer on the outside of the member body, a color clear layer and a transparent clear layer on the outside of the mirror layer, and a glittering inorganic pigment in the color clear layer and / or the transparent clear layer Sports goods characterized by containing.

  (2) The base coating layer is provided between the member main body and the mirror surface layer, and the transparent clear layer, the color clear layer, and the transparent clear layer are formed in this order on the outer side of the mirror surface layer. ) Sports equipment.

  (3) The sports goods according to (1) or (2) above, wherein the content of the glittering inorganic pigment in the color clear layer and / or the transparent clear layer is 1% by weight to 10% by weight.

  (4) The sports goods according to any one of (1) to (3) above, wherein the mirror layer is a metal vapor deposition layer.

  (5) The sporting article according to any one of (1) to (4), wherein the member main body is formed of fiber reinforced plastic.

  It is possible to provide sports equipment that has a high-grade luster and has a higher design.

It is the figure which compared the conventional sports equipment and the sports equipment of this invention.

  Hereinafter, the sports equipment of the present invention will be described.

  Examples of the sports equipment of the present invention include fishing rods, golf clubs, tennis rackets, skis, ski stocks, and the like, and golf clubs are particularly preferable.

  The member main body in the present invention means a sports equipment main body. The member main body should just be formed with the raw material used as a raw material of each sporting goods. From the viewpoint of strength and lightness, the member body is preferably formed of fiber reinforced plastic. Examples of the fiber reinforced plastic include a prepreg formed by impregnating a reinforced fiber such as glass fiber, carbon fiber, or boron fiber with a synthetic resin such as an epoxy resin, which may be molded and thermally cured. Most preferably, it is a member body in which a prepreg obtained by impregnating an epoxy resin into carbon fiber is molded and thermally cured.

  Taking the case where the sporting goods is a golf club as an example, for example, as described in Japanese Patent No. 3315338, a prepreg sheet is wound around a core metal so as to be polymerized, and a wrapping tape is wound thereon. After stabilization, the synthetic resin is heat-cured in a heating furnace, and then cooled, and then the golf shaft can be molded by going through the steps of de-core, peeling of the wrapping tape, polishing, and painting. A golf club can be created by attaching a golf head or grip by a known method.

  The sports equipment of the present invention has a mirror layer on the outside of the member main body. By having a mirror surface layer, light is reflected and the design is improved. Examples of the mirror layer include a metal vapor-deposited layer, a bright metallic pigment spray layer, a vapor-deposited aluminum pigment spray layer, and the like, and a metal vapor-deposited layer is particularly preferable from the viewpoint of design. These mirror layers can be formed by a usual method. For example, in the case of forming a metal vapor deposition layer, as described in JP-A-11-98937, PVD methods such as ion plating, sputtering and vapor deposition, CVD methods, wet plating methods, and double gun sprays utilizing silver mirror reactions What is necessary is just to implement by the metal film formation method etc. by.

  Examples of the metal component of the metal vapor deposition layer include Al, Sn, Ni, Ag, Cr, and the like, and Cr is particularly preferable from the viewpoint of design.

  From the viewpoint of the adhesive strength of the mirror surface layer, it is preferable to provide a base coating layer between the member main body and the mirror surface layer. Examples of the material for the base coating layer include acrylic resin, urethane resin, epoxy resin, alkyd resin, and the like, which may be selected in consideration of the adhesive strength with the member body and the adhesive strength with the mirror surface layer. What has good balance of adhesive strength should just be selected. Although the adhesive strength between the member main body and the mirror surface layer can be increased by providing a plurality of base coating layers, one kind of one base coating layer is preferable in terms of cost.

  When the member body is a prepreg in which carbon fiber is impregnated with epoxy resin and is thermoset, and the mirror surface layer is Cr, the base coating layer may be made of epoxy resin from the viewpoint of adhesive strength. preferable.

  The base coating layer may be formed by a usual method for forming a layer using each material. For example, in the case of a base layer made of an epoxy resin, it may be ironed or sprayed as described in Japanese Patent Application Laid-Open No. 2003-284795.

  The sporting goods of the present invention have a color clear layer and a transparent clear layer outside the mirror surface layer, and a glittering inorganic pigment is contained in the color clear layer and / or the transparent clear layer.

  The transparent clear layer in the present invention is not particularly limited as long as it is transparent and does not have a colorant such as a pigment. Specifically, an acrylic resin, a urethane resin, an alkyd resin, etc. It can be selected arbitrarily in consideration of the adhesiveness between the transparent clear layer and the adjacent layer. A urethane resin is preferable from the viewpoint that it is excellent in transparency and has a better influence on the design.

  The color clear layer in the present invention is not particularly limited as long as it is transparent and has a color. Specifically, the base resin such as urethane resin is nickel azo yellow, flavanthrone yellow, etc. Examples thereof include a layer formed of a colorant that can be usually used for dyeing a resin. The base resin of the coloring layer can be arbitrarily selected in consideration of the adhesion between the color clear layer and the adjacent layer. From the viewpoint of design, urethane resin is preferable. The amount of the colorant added can be arbitrarily determined depending on the coloration degree of the colorant and the transparency of the color clear layer to be realized. When the transparency is high, the design of the mirror layer can be increased, and when the transparency is low, the color of the colorant can be expressed vividly.

  From the viewpoint of adhesive strength, the transparent clear layer and the color clear layer are preferably the same material, and when the mirror layer is Cr, urethane resin is preferable from the viewpoint of adhesive strength.

As the layer configuration outside the mirror surface layer, for example, (1) transparent clear layer and color clear layer are formed in this order from the mirror surface side,
(2) Color clear layer, transparent clear layer layer is formed in order,
(3) A transparent clear layer, a color clear layer, and a transparent clear layer are formed in this order.
Is mentioned. From the viewpoint of design, it is preferable that a transparent clear layer is provided outside the color clear layer. From the viewpoint of adhesive strength, it is preferable to provide a transparent clear layer between the mirror surface layer and the color clear layer. In addition, you may provide another layer according to a function required between said layers and / or an outermost exterior part in the range which does not have a bad influence on designability.

  The formation of the transparent clear layer and the color clear layer in the present invention may also be performed by a normal method for forming a layer using each material of each layer. For example, in the case of a transparent clear layer and a color clear layer made of urethane resin, as described in Japanese Patent Application Laid-Open No. 2003-284795, iron coating or spray coating may be performed.

  In the present invention, a bright inorganic pigment is contained in the color clear layer and / or the transparent clear layer. When a transparent clear layer or a color clear layer is provided in the outermost exterior part, from the viewpoint of design, it is better that the transparent clear layer or the color clear layer in the outermost exterior part does not contain a glittering inorganic pigment. It is preferable that a bright inorganic pigment is contained in the color clear layer and / or the transparent clear layer other than the outermost part.

Specifically, the inclusion of the glittering inorganic pigment in the layer shows a preferable form in relation to the layer structure. The layer structure outside the mirror layer is (1) a transparent clear layer containing the glittering inorganic pigment from the mirror surface side. , A layer formed in the order of color clear layer,
(2) A color clear layer containing a glittering inorganic pigment and a transparent clear layer layer in the order of layers,
(3) A transparent clear layer, a color clear layer containing a glittering inorganic pigment, and a transparent clear layer layer are formed in this order.
(4) A transparent clear layer containing a glittering inorganic pigment, a color clear layer, and a transparent clear layer layer formed in this order,
(5) A transparent clear layer containing a glittering inorganic pigment, a color clear layer containing a glittering inorganic pigment, and a transparent clear layer layer in that order.
(In the above (1) to (5), a layer not described as “containing a bright inorganic pigment” does not contain a bright inorganic pigment). From the viewpoint of the adhesive strength with the mirror surface layer, the above (1) and (3) to (5) are more preferable, and the above (3) to (5) are more preferable in consideration of the viewpoint of even more excellent design properties. Among these, (3) or (4) is particularly preferable in view of cost.

  The “brilliant inorganic pigment” in the present invention is an inorganic powder that is insoluble in water, oil, alcohol, and other solvents, has color, and has brightness. The powder is colored in a dispersed state. Specifically, effect pigments, mica pigments, aluminum pigments, aluminum paste / pearl pigments, which are made of artificially produced flakes (aluminum oxide flakes, silica flakes, glass flakes, etc.) and coated with metal oxides, Examples thereof include a pearl pigment coated with a metal oxide using natural mica flakes as a base. From the viewpoint of shine with a transparent feeling and particle feeling, glass flakes coated with a metal oxide are particularly preferable.

  As the glittering inorganic pigment to be used, those having an average particle diameter of 10 to 100 μm can be used, and preferably 20 to 80 μm. If the particle size is too small, a whispering feeling with a particle feeling cannot be obtained, and if it is too large, particles protrude from the laminated coating film and unevenness occurs on the coating film surface.

  The glittering inorganic pigment may be contained in the color clear layer and / or the transparent clear layer in an amount of 0.2% by weight to 13% by weight, preferably 0.3% by weight to 10% by weight, and more preferably by weight. Containing 0.5% to 5% by weight. If the content of the glittering inorganic pigment is too small, the design property is not expressed, and if the content is too large, internal destruction of the laminated coating film is caused.

  As a method of including a glittering inorganic pigment in the color clear layer and / or the transparent clear layer, the material used for forming the color clear layer and / or the transparent clear layer includes the glittering inorganic pigment, and the color clear layer And / or a method of forming a transparent clear layer. For example, when the transparent clear layer contains a glittering inorganic pigment, for example, a resin raw material that forms the clear layer and the glittering inorganic pigment are mixed in a solvent, and a coating liquid containing the glittering inorganic pigment is prepared. A transparent clear layer containing a glittering inorganic pigment can be formed by applying to an object and drying. A color clear layer containing a glittering inorganic pigment can also be formed by the same method.

  The control of the content of the glittering inorganic pigment in the color clear layer and / or the transparent clear layer is achieved by controlling the content of the glittering inorganic pigment relative to the raw material when forming the color clear layer and / or the transparent clear layer. Can be implemented. For example, in the case of adding a glittering inorganic pigment to the transparent clear layer, the solvent is volatilized at the time of forming the transparent clear layer and does not remain in the layer. The content of the glittering inorganic pigment in the mixture of inorganic pigments (not including the solvent) is the content of the glittering inorganic pigment in the transparent clear layer. In the case of the color clear layer, the content of the glittering inorganic pigment in the mixture (not including the solvent) of the raw material resin, the colorant, and the glittering inorganic pigment is the content of the glittering inorganic pigment in the color clear layer.

  Hereinafter, the present invention will be described more specifically with reference to examples.

[Example 1]
1. Manufacture of Golf Shaft Commercial prepregs A to D made by Mitsubishi Rayon Co., Ltd. shown below are each cut, and a small diameter tip on the mandrel-up to a position of 80 mm from the small diameter tip and a large diameter tip- A winding layer for the tip reinforcing layer having an orientation angle of the reinforcing fiber of 0 ° is applied to the entire region excluding the position of 230 mm from the tip portion of the large diameter by the procedure described in the following steps (1) to (3). A winding layer for the angle layer and a winding layer for the straight layer were formed.

<Prepreg>
Prepreg B: HSX350C100S
Prepreg C: MRX350C075R
Prepreg D: TR350E125S
<Mandrel shape>
The outer diameter of the thin tip portion is 4.15 mm, the outer diameter of the thick tip portion is 13.80 mm, the length is 1500 mm, and the portion from the thick tip portion to 500 mm from the large tip portion has an outer diameter of 13.80 mm. And has a tapered portion with a degree of taper of 8.79 / 1000 from the position of 500 mm to the distal end of the small diameter.

<Step 1>
The prepreg B is wound so that the fiber method is + 45 ° with respect to the radial center line of the mandrel so that the thin diameter side end portion is 4.65 layers and the large diameter side end portion is 2.63 layers. Also, the prepreg B is cut so that the fiber direction is −45 ° with respect to the radial center line of the mandrel. After cutting these two prepregs so that the fiber directions are orthogonal to each other, the laminated prepreg is wound around a mandrel, and the angle layer Wrapping was performed.

<Process 2>
When the prepregs C and D are wound on the winding layer for the angle layer formed in step 1 so that the fiber direction is 0 ° with respect to the radial center line of the mandrel, the prepreg C is thin. Cut one layer from the diameter side end to the large diameter side end, and the prepreg D is cut into a substantially trapezoidal shape that wraps in two layers from the small diameter side end to the large diameter side end. These two prepregs were wound around the prepreg C and the prepreg D in this order on the winding layer for the angle layer formed in step 1 to wind the straight layer.

<Step 3>
The prepreg D is cut into a right triangle whose fiber direction is the same direction as one of two sides sandwiching a right angle and whose length is 120 mm × 115 mm. The fiber direction is a mandrel The winding layer of the prepreg C formed in step 2 so that it is 0 ° with respect to the radial center line and is wound most multiplexly at the end on the narrow diameter side, and then gradually disappears. Wrapped on top and wound for a reinforcing layer.

  Thereafter, after wrapping the polypropylene wrapping tape, heat curing in a curing furnace, removal from the mandrel, removal of the wrapping tape, polishing of the outer peripheral surface, and 10 mm from the end on the small diameter side and Trimming cut and coating of 10 mm from the end on the large diameter side gave a golf club shaft 1 for a driver.

2. Coating <Base paint layer paint A>
200 g of urethane resin paint (Mikuni Paint Polydur CS 9-7902) was mixed with 50 g of a curing agent (D05-025) to obtain paint A for base coating layer. (Polydur is a registered trademark of Mikuni Paint Co., Ltd.)
<Clear clear layer paint B>
200 g of urethane resin paint (Mikuni Paint Polydur NY Clear 9-1620) was mixed with 50 g of a curing agent (D08-251) to obtain a clear clear layer paint B.

<Color clear layer paint C containing glittering inorganic pigment>
200 g of toned urethane resin color clear paint (Mikuni Paint Supra Z95 (color clear brown)) and 50 g of a special curing agent for supra were mixed to obtain a color clear paint C.

  To the obtained color clear layer coating material C, as a glittering inorganic pigment, Metashine of Nippon Sheet Glass Co., Ltd. (Metashine is a registered trademark of Nippon Sheet Glass Co., Ltd.) MC1030RS (white color, average particle diameter of 30 μm, substrate thickness 1 μm) 2 g (corresponding to 0.8% by weight with respect to the total amount of Mikuni Paint Supra Z95 (color clear brown), which is the raw material of the paint C for the color clear layer, and the special curing agent for Supra: The paint contains 50% of the solvent. Therefore, when cured, the content in the layer is equivalent to 1.6% by weight), and stirring was performed to obtain a paint C for color clear layer containing a glittering inorganic pigment.

<Formation of layer>
The golf shaft 1 manufactured in 1 was iron-coated with the base coating layer coating material A (shaft drawing speed: 0.5 m / sec). After coating and drying to form a base coating layer, Cr was deposited on the base coating layer to form a metal deposition layer. Next, the transparent clear layer coating material B was ironed on the metal vapor deposition layer (shaft drawing speed: 0.5 m / sec) and dried to form a transparent clear layer. Subsequently, the paint for color clear layer C containing the glittering inorganic pigment was spray-coated on the transparent clear layer and dried to form a color clear layer containing the glittering inorganic pigment. Finally, the above clear clear layer paint B is ironed on the color clear layer containing the glittering inorganic pigment (shaft pulling speed: 0.5 m / sec) and dried to form the transparent clear layer on the outermost part. did. The obtained golf shaft is shown in FIG.

[Example 2]
Metashine MC1030RS (white color, average particle size 30 μm, base material thickness 1 μm) of Nippon Sheet Glass Co., Ltd., which is a glittering inorganic pigment, and Chromashine (Toyo Aluminum Co., Ltd.) of Toyo Aluminum Co., Ltd., an interference aluminum pigment. (Registered trademark) GD-20R (gold color, average particle size 20 μm), and a clear inorganic pigment-containing paint C for color clear layer was obtained in the same manner as in Example 1. 200 g of toned urethane resin color clear paint (Mikuni Paint Supra Z95 (color clear brown)) and 50 g of a special curing agent for supra are mixed, and 0.8 g of GD-20R (gold color, average particle size 20 μm) is mixed. Equivalent to 0.3% by weight with respect to the total amount of Mikuni Paint Supra Z95 (Color Clear Brown), which is the raw material of the paint C for the color clear layer, and the special curing agent for Supra: Since the paint contains 50% of the solvent, When cured, the content in the layer is equivalent to 0.6% by weight), and stirring was performed to obtain a paint C for color clear layer containing a glittering inorganic pigment. Each layer was formed on the golf shaft in the same manner as in Example 1. The obtained golf shaft is shown in FIG.

[Comparative Example 1]
Instead of “color clear layer containing glittering inorganic pigment” by changing “paint C for color clear layer containing glittering inorganic pigment” to “paint C for color clear layer not containing glittering inorganic pigment” Each layer was formed on the golf shaft in the same manner as in Example 1 except that “color clear layer containing no bright inorganic pigment” was formed. The obtained golf shaft is shown in FIG.

[Appearance comparison]
As shown in FIG. 1, Examples 1 and 2 exhibit superior design properties compared to Comparative Example 1.

1 Golf shaft obtained in Comparative Example 1 2 Golf shaft obtained in Example 1 3 Golf shaft obtained in Example 2

Claims (5)

  The member body has a mirror layer outside the member body, a color clear layer and a transparent clear layer outside the mirror layer, and a glittering inorganic pigment is contained in the color clear layer and / or the transparent clear layer. Sporting goods characterized by   The base coating layer is provided between the member main body and the mirror surface layer, and the layers are formed in the order of a transparent clear layer, a color clear layer, and a transparent clear layer outside the mirror surface layer. Sports equipment.   The sports equipment according to claim 1 or 2, wherein the content of the glittering inorganic pigment in the color clear layer and / or the transparent clear layer is 0.3 wt% to 10 wt%.   The sports goods according to any one of claims 1 to 3, wherein the mirror surface layer is a metal deposition layer.   The sports equipment according to any one of claims 1 to 4, wherein the member main body is formed of a fiber reinforced plastic.