JPH06306763A - Method for applying inorganic fluorescent substance to fibers - Google Patents

Abstract

PURPOSE:To coat fibers with an inorganic fluorescent substance which emits light by the irradiation of UV light, but doesn't emit light under visible light so that the inorganic fluorescent substance is not washed out when the fibers are washed. CONSTITUTION:A resin solution containing an inorganic fluorescent substance emitting light by the irradiation of 300-400nm UV light is applied with a nozzle having a diameter corresponding to the fineness of the fiber. The coated fiber is dried at 60-100 deg.C for 30-60sec, and subsequently heat treated for curing at 160-210 deg.C for 30-60sec.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a method for applying an inorganic phosphor to fibers such as threads.

[0002]

2. Description of the Related Art Conventionally, there are fibers dyed with chromatic organic fluorescent dyes such as red, yellow and white.

[0003]

In the clothing and the like, novel design and color are required. However, the color that is dyed chromatically is limited to the dyed color, and the color cannot change in the middle. As a method of changing the color, there is a method of changing the color by the temperature difference, but those dyed chromatically and those that change the color by the temperature difference already show the chromatic color under visible light. Since it is present, the impact on the viewer is small.

From the above point of view, the present invention is a coating which does not emit a color under visible light and which does not drop even if it is washed once it is applied to a fiber, when it is coated with an inorganic phosphor which emits a light when irradiated with ultraviolet rays. It is intended to provide a method.

[0005]

In order to solve the above problems, the method of the present invention is characterized in that fibers are coated with a resin solution containing an inorganic phosphor that emits light upon irradiation with ultraviolet rays, dried, and then heat treated. It is what

[0006]

OPERATION AND EXAMPLES The method of the present invention will be described in 300-
Fibers such as threads are coated with inorganic phosphors such as red, green, and blue that emit light when irradiated with 400 nm ultraviolet light.
As a resin used as a bonding agent for the inorganic phosphor, a polyacrylic resin, a polyvinyl chloride resin, a polyester resin, a polyurethane resin or the like is used. Further, an appropriate amount of a curing agent, a plasticizer, a releasing agent, a twisting agent, etc. is added to these resins depending on the properties of the resin. The curing agent improves the adhesion between the fiber and the resin, improves the friction fastness, and the plasticizer softens the feeling. or,
The release agent prevents tackiness of the yarn, and the anti-twist agent imparts anti-twist property.

Next, in the coating method of the resin liquid containing the inorganic phosphor, the fiber is coated with a nozzle having a diameter suitable for the fineness. The fibers coated with the resin liquid containing the inorganic phosphor are then dried. Dry at a temperature of 60-100 ° C for 3
Perform for 0 to 60 seconds. Then, after drying, the temperature is raised to 160 to 210 ° C. and a heat treatment for curing is performed for 30 to 60 seconds. The heat treatment improves the adhesion between the resin and the fiber and also improves the film strength of the resin. Next, as an example of the processing, 86 parts of polyurethane resin and 0.86 of a curing agent are added to a yarn of nylon 50 denier.
Parts, release agent 5 parts, inorganic phosphor 8 parts, viscosity modifier 0.14
After applying the resin liquid of the part with a nozzle having a diameter of 0.15 mm,
It is dried at 80 ° C. for 40 seconds and then subjected to heat treatment at 180 ° C. for 50 seconds. As described above, the method of the present invention is 300 to 400.
The coating is performed by coating fibers with a resin solution containing an inorganic phosphor that emits ultraviolet rays of nm, and then performing heat treatment such as drying and curing.

[0008]

EFFECTS OF THE INVENTION According to the present invention, since the inorganic phosphor coated on the fibers does not fall off even after washing, it can be put to practical use. And, in the fiber coated with the resin liquid containing only the inorganic phosphor, it looks white under visible light,
By irradiating with an ultraviolet ray of 400 nm, the hue of the inorganic phosphor is instantly emitted. When a resin liquid containing an inorganic phosphor, an organic dye and a pigment is applied at the same time, a desired hue can be obtained even under visible light, and the ultraviolet light of 300 to 400 nm emits the hue of the inorganic phosphor. By combining these inorganic phosphors and organic dyes, it is possible to obtain fibers having different colors and the same color tone. Further, it is also possible to use the mixture in an arbitrary ratio by combining the three primary colors. Then, a woven fabric and a knitted fabric are made of the fibers according to the method of the present invention,
If used in wedding dresses, stage costumes, interiors, etc., it will be a product with a strong impact. Further, since the method of the present invention is applied to a ready-made fiber, it has many symmetrical objects. In addition, it is also possible to make a cloth by using fibers coated with the inorganic phosphor by the method of the present invention.

Claims (1)

[Claims] 1. A method for coating an inorganic phosphor on a fiber, which comprises coating a resin solution containing an inorganic phosphor that emits light upon irradiation with ultraviolet rays onto a fiber, drying the fiber, and then heat-treating the fiber.