JP3015308U - Luminous golf ball - Google Patents

Abstract

(57) [Summary] [Purpose] To provide a golf ball that emits light by utilizing the phenomenon of light accumulation. [Structure] A golf ball emits light by using a phosphorescent dye containing strontium aluminate activated by europium or the like as a phosphorescent agent in the golf ball.

Description

[Detailed description of the device]

[0001]

[Industrial applications]

 The present invention relates to a golf ball that emits light according to a light-storing phenomenon, which has a light-storing property obtained by using a light-storing agent such as a light-storing paint.

[0002]

[Prior art]

 Heretofore, various methods have been attempted to make a golf ball emit light. That is, a chemiluminescer of appropriate shape and size containing two or more kinds of liquids which start a chemical reaction and start chemiluminescence when mixed, is attached to the surface portion of the golf ball, natural light such as sun and moon, and ultraviolet rays. There is a method of utilizing a phosphorescent agent that is stimulated by a lamp, an electric lamp, or the like to convert the stored energy into light, which is then emitted to emit light.

Inorganic compounds having a light-storing property used as a light-storing agent include sulfide-based compounds such as zinc sulfide and cadmium sulfide, and oxyacid salt-based compounds such as strontium aluminate. Some radio-isotopes are fixed to sulfide-based or oxy-acid-based so that they continue to emit light due to radiation even after they disappear.

Known oxyacid salt-based inorganic compounds include, for example, those activated with europium,

[Chemical 4] M is an alkaline earth aluminate consisting of magnesium, calcium, strontium or barium, strontium aluminate activated by neodymium and europium, barium-magnesium-aluminate activated by europium, etc. There is.

[0005]

[Problems to be Solved by the Invention]

 The method using a chemiluminescer impairs the aesthetic appearance of the golf ball when liquid leakage occurs, and must be replaced when the light emission ends. Since the golf ball is small, it is necessary to make the attached luminous body small, and if the chemiluminescent body is made small, the amount of the chemical reaction solution contained therein becomes small and, as a result, the intensity of luminescence becomes weak.

Among the methods using a phosphorescent agent, although an alkaline earth aluminate having excellent phosphorescent properties already exists, it has been difficult to put it into practical use as a golf ball. One of the causes is that alkaline earth aluminate activated by europium etc. sinters at a high temperature of 1200 ° C to 1750 ° C for several hours. Therefore, it is necessary to directly sinter it on the surface of the object to be coated. The heat resistance of is required.

Further, when a method that is generally widely used when using an inorganic pigment as a coating material, that is, a method in which a sintered product is crushed to an appropriate particle size and suspended in a binder, conventional binders are used. However, not only the excellent phosphorescent properties of alkaline earth aluminate are impaired, but also the coating is poorly glued and easily peeled off, and its durability is weak when used in harsh outdoor environments. .

[0008]

[Means for Solving the Problems]

 By selecting an acrylic, urethane, or epoxy binder with strong adhesiveness, poor coating paste and easy peeling were improved. In addition, the excellent luminous properties of alkaline earth aluminates are impaired when they are compounded because the alkaline earth aluminates settle in the paint. In order to prevent the sedimentation of alkaline earth aluminate and release the stored energy efficiently, it is necessary to add cationic amino amide phosphate, anionic or neutral polycarboxylic acid, etc. as an anti-settling agent. Then, the problem was solved, and even if a cover layer was formed with a resin and alkaline earth aluminate was added to the cover layer, the phosphorescent property was not impaired.

[0009]

[Action]

 Addition of this new binder and anti-settling agent to a phosphorescent pigment whose main component is alkaline earth aluminate activated by europium or the like may impair the light storage performance of alkaline earth aluminate activated by europium or the like. That is, there is provided a coating material which does not prevent the energy that is stimulated and stored from being stored and converted into light, and which has a strong adhesion to a painted surface and is highly durable.

By using the luminous coating material of the present invention for a golf ball to cause it to emit light, it can be expected to facilitate playing at night or in a dark place.

A golf ball using the present invention will be described below with reference to examples. However, the golf ball that can be used in the present invention is not limited to the illustrated drawings.

[0012]

【Example】

 Example 1 A preferred composition example of a phosphorescent paint using an alkaline earth aluminate activated by europium or the like is 30 to 40 parts of an acrylic resin varnish, 3 to 5 parts of an antisettling agent, and 5 parts of a solvent. 10 parts and 50 to 60 parts of the phosphorescent pigment. The acrylic resin varnish is, for example, a product name “Acrydeic A-167” which is a 50% toluene solution of acrylic resin manufactured by Dainippon Ink and Chemicals Incorporated, and the anti-settling agent is, for example, a product manufactured by Big Chemie. The name is "Anti-Terra-P".

Example 2 FIG. 1 is a sectional view of the golf ball of claim 1 to which the phosphorescent paint described in claim 1 and applied in Example 1 is applied. The phosphorescent paint is applied on the cover layer which has been previously coated with a colored paint, preferably a white paint, as the base. If necessary, a phosphorescent paint may be applied and then a clear paint or clear resin may be coated on the phosphorescent paint application surface for protection.

Example 3 FIG. 2 is a cross-sectional view of a golf ball having a cover layer formed of the resin containing the phosphorescent paint described in claim 1 and exemplified in Example 1. A colored coating material, preferably a white coating material, is applied to the base in advance, and then a resin layer containing a phosphorescent coating material is formed. If necessary, a clear paint or a clear resin may be coated on the cover layer containing the phosphorescent paint for protection to cover the surface coated with the phosphorescent paint. The resin containing the phosphorescent paint may be a resin widely used for the cover layer of a golf ball, such as an ionomer resin which is a thermoplastic resin.

[0015]

[Effect of device]

 As described above, the present invention can provide a golf ball that emits light by a light-storing phenomenon. A golf ball having this luminous property exhibits desired light emission, enhances visibility at night or in a dark place, and makes it easy to confirm the trajectory of a flying ball and to find a lost ball.

[Brief description of drawings]

FIG. 1 is a sectional view of the golf ball according to claim 1.

FIG. 2 is a sectional view of the golf ball according to claim 2;

[Explanation of symbols]

 1 core 2 cover layer 3 paint of the present invention 4 clear layer 5 cover layer containing the paint of the present invention

Claims (2)

[Scope of utility model registration request] Claims: And M is composed of a single element or a plurality of elements from magnesium, calcium, strontium or barium, and preferably strontium is used to form strontium aluminate ( ) Or barium-magnesium aluminate ([Chemical 3] ), Lantern, cerium, praseodymium, neodymium,
Promethium, samarium, europium, gadolinium, terbium, dysprosium, holmium, erbium, thulium, ytterbium, lanthanoid elements of lutetium, manganese, tin, and bismuth are appropriately selected from one or several kinds, preferably europium alone or europium. And a surface coating with a phosphorescent paint using an alkaline earth aluminate using gadolinium as an activator as a phosphorescent agent, and if necessary, cover it with a clear paint or a clear resin,
A golf ball characterized in that the phosphorescent paint portion emits light by a phosphorescent phenomenon 2. A cover layer containing the alkaline earth aluminate according to claim 1 as a light-storing agent, which is covered with a clear paint or a clear resin as needed, and the cover layer portion is formed by a light-storing phenomenon. Golf ball characterized by emitting light