JPS59187686A - Production of stripe pattern retroreflective tent cloth - Google Patents

Abstract

(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.

Description

DETAILED DESCRIPTION OF THE INVENTION The present invention relates to a retroreflective decorative tent cloth having a knitted pattern.

Traditionally, decorative tents for business stores, etc. have been made of a copolymer of vinyl chloride and vinyl acetate on a base fabric such as cotton 1 synthetic fiber.
Common methods include dissolving a pigment mixture in a solvent, gravure coating, followed by heat treatment or embossing, or laminating soft vinyl chloride and printing colored pigments on top. By selecting colored pigments, store signs or advertising functions are differentiated, but such decorative tents are only visible in daylight, and are not constantly illuminated at night. It cannot fulfill its function except in certain cases.

On the other hand, in recent years there have been remarkable changes in lifestyles, with the number of stores that are open at night increasing in large cities, and the penetration of 24-hour vending machines in rural areas. There are many stores that are open at night, including stands, along the railway lines, which differentiates them from other stores at night.

Highly visible identification signs for stores open at night are desired for advertising and promotion purposes.

Recently, methods have been developed in which glass microspheres are mixed into transparent resin as a light-reflecting material and applied to the surface of woven or knitted fabrics.Furthermore, in order to improve retroreflection performance, a metal vapor-deposited surface is applied to the surface of the base fabric in advance. There are methods that use transparent glass microspheres, such as methods that increase retroreflectivity by coating the surface with a resin adhesive mixed with transparent glass spheres, or forming a reflective mirror film of a retroreflective sheet. The retroreflective cloth is obtained by effectively linking the light refraction effect of the transparent sphere with the reflection effect of a reflective material mixed in a layer below the binder or a reflective material layer formed below the binder layer below the transparent sphere. in,
A light retroreflective material is known, which is formed by applying adhesive paint to the surface of a base fabric using a coating machine, and then scattering and fixing transparent glass beads thereon.

In both of these, fine glass spheres are fixed to the entire surface of the fixed resin layer of the base fabric or sheet, so it is not easy to differentiate them on the sign, and it is expensive to spread and fix the glass fine spheres on the entire surface. It is also expensive. For this reason, a method has been proposed in which a partially reflective material is formed as in Japanese Patent Publication No. 56-45153, but in this case as well, when the fixed resin layer on the carrier film is in an uncured state, a character pattern is formed in a separate process. This requires complex processing such as applying silicone resin to the surface, drying it, and curing it.

The present invention aims to solve the problems of conventional decorative tents (
This was reached as a result of intensive research.

An object of the present invention is to provide a 3-retroreflective tent cloth suitable for use in night-time stores. Another object is to provide an industrially advantageous method for manufacturing such decorative tent cloth.

The present invention relates to a knitted retroreflective decorative tent cloth, which is made by coating the surface of a fiber base fabric with a compound having a retroreflective effect consisting of glass microspheres, a reflective material, a coloring material, and a resin adhesive using a frame coating method. This relates to the manufacturing method.

The present invention will be explained in detail below.

The fiber fabric base fabric 1 used in the present invention is cotton.

It is made of natural fibers such as linen, or synthetic fibers such as polyester and polyamide. Further, the glass microspheres 4 used in the present invention are transparent spherical fine particles of glass with a high refractive index, preferably transparent spheres with a refractive index of at least 1.7 or more, a particle size of 44 to 88 μm, and a refractive index of 1.7 μm. 9
4, such as one having a semi-high refractive index of 3, is used. It is preferable that the glass microspheres are scattered and fixed on the thin layer of the resin adhesive so that they are arranged one by one in an orderly manner.

Next, the reflective material 5 is suitably a material with a high reflectance in order to efficiently perform retroreflection, such as a piece of scaly aluminum foil or basic lead carbonate in the form of a plate-like crystal.

Fine objects such as mica can be used.

The resin fixing agent 6 must be one that binds the glass bulbs uniformly and in a single layer, and must be of good quality and have weather resistance.Urethane resins are unsuitable due to their weather resistance, and, for example, A copolymer of vinyl acetate maleic acid and butadiene acrylonitrile or an acrylic resin can be used.

The colorant 7 is a colorant that is kneaded into the fixing resin and must be a material that does not change color easily, and if necessary, a colored body such as a pigment or dye can be appropriately kneaded and used. .

In the case of tents, the required light fastness is grade 7 or higher, which is the range that can be irradiated with a fade meter for 160 hours. Therefore, in order to improve the light fastness, it is desirable to use an aqueous pigment.

Furthermore, surface treatment is performed as necessary, but it is to protect the glass microsphere 1 reflective material, etc., and is a colorless or colored transparent material 8 that is water resistant, moisture resistant, and flexible. It is desirable that the material has the following properties, and acrylic resin or the like is suitable.

In the method of the present invention, first, a fiber fabric base fabric such as cotton, linen, or polyester material is pre-baked, scoured, and continuously dyed. Incidentally, polyester/cotton blended fabrics are dyed with pigments, polyesters are dyed at high temperature and under high pressure with disperse dyes, and cottons are mercerized if necessary.

Next, it is impregnated with 2 to 3% of a fluorine-based water repellent and cured, followed by calender roll treatment to impart surface smoothness.

Next, by a frame coating method, which is a method of applying polymorphic colors, a compound having retroreflective properties and a corrugated form, such as a compound for corrugated retroreflective printing, is applied, fixed, and knitted. A retroreflective decorative tent cloth is obtained.

The coating amount of the printing compound in the above-mentioned frame coating method is 40 to 80 g/solid weight, preferably 50 to 70 g/m, and the processing speed is 15 to 25 g/m.
m/min. The selection of colors, their combination, or the number of knitted patterns can be changed as desired, but the width of the knitted patterns can be set to at least about 2 cth.

Furthermore, in order to suppress the peeling of the scattered and fixed glass microspheres 4 or to improve the abrasion strength of the resin coating surface, a surface coating treatment is performed to form a transparent film using acrylic resin, etc., and heat treatment is performed as necessary. Do the following. In addition, since the water pressure resistance required for tents is 450 mm or more, if this is required, a coating treatment that forms a coating 9 of about 10 to 20 μm in thickness with acrylic resin on the back side of the base fabric is performed as necessary. Let's do it.

In the method of the present invention, it is possible to use the frame-type coating equipment used for conventional multi-colored coating, and it is possible to use a one-component retroreflective printing compound mixed with a coloring agent. A liquid type compound having a retroreflective effect and a compound consisting of a coloring material and a fixing resin that do not contain a retroreflective material 7- are placed in separate containers and simultaneously applied and fixed using a frame coating method. be.

Therefore, the color can be freely changed by using the coloring material, and the number of two strands in the horizontal 11 of the knitted pattern can also be freely changed.

Since the portion 2 having a retroreflective function and the portion 3 not having a retroreflective function are configured as a knitted pattern, visibility as an identification mark at night can be improved. Therefore, it can be widely used not only as a decorative tent for night operations, but also as a camping tent for mountain climbing, a sail cloth, etc.

The present invention will be explained below with reference to Examples.

Example 1 Using 100% polyester, plain weave, No. 20 double yarn, 96 base fabrics, after burning, scouring and dyeing were performed.
Dry.

Next, fluorine-based water repellent A-16 (Dainippon Ink side) 2~
It was impregnated with 3% and heat treated at 160-170°C for 5 minutes.

Next, the following formulation was applied to one side of the base fabric using a frame coating method device, and then heated at 130°C to 140°C for 3
After processing for 1 minute, a knitted patterned retro-reflective decorative tent cloth was obtained. The knitting pattern is 6 pieces/m, and the colors are white, golden brown, and green. Of these, golden brown and green have a retroreflective function, and the white part is made of titanium oxide pigment (product name [Ryuudai]).・White, TA-705J (Dainippon Ink■
) 5% (by weight) and an acrylic resin adhesive.

Single-wave retroreflective printing compound (wt%) + 11 retroreflective constituent resin P-06 (Hayashi Chemical) 90.0% (2) Epoxy crosslinking agent 3.0% (3) Water (viscosity adjustment) 6. 5% (4) Organic amine catalyst 0.5%
The viscosity of the above formulation is 5000-6000 cps,
3 to 5% of the following aqueous pigments were kneaded as colorants for golden brown and green, respectively. PH is weakly acidic.

(1) All-brown water-based pigment (Dainippon Ink @) “Ryudai Yellow FF3RJ 3.0% (weight) [Ryudai Red FFGRJ O, 5% (weight) 9-1ll- (2) Green water-based pigment (Dainippon Ink Ink @) "Ryudai Green FBJ 5.0% (weight) Example 2 Polyester 40/Cotton 60. Plain weave, 60 x 40 strands 1 ply (J274 g/n) with No. 19 double thread tension (J274 g/n) as the base fabric, Example 1 Scouring, dyeing and water repellent treatment were carried out in the same manner as above, and then coating treatment was carried out in the same manner using a single-wave retroreflective printing formulation using a frame coating device.

A decorative tent cloth with a retroreflective effect was obtained in two colors, orange and white, and four patterns. As in Example 1, the white part was painted using only 5% (by weight) of the titanium oxide pigment "Ryudai White T^-705J" and an acrylic resin fixing material.The orange color was colored using the following coloring material.

(11 Orange water-based pigment (Dainippon Ink■) "Ryudai Yellow FF3RJ 1.5% (weight)""Ryudai Red FFGRJ 1.5% (weight)" Furthermore, in order to improve water resistance, transparent acrylic resin is used to improve water resistance.
A surface coating of ~35 g/% solids weight was performed.

Example 3 Regarding the decorative tent cloth obtained in Example 1, JTS
A reflective performance test of the cloth was conducted using Z-9117. The results are shown in Tables 1 and 2. Table 1 shows cases where the hue is green, Table 2 shows cases where the hue is all brown, and Table 3 shows comparative examples of other companies' products, which are also green in color.

This test was commissioned by the Japan Vehicle Inspection Association, and the values are shown in the test report.

Product name Retroreflective cross test date March 10, 1980 Test equipment Reflective seal l - Reflective performance measuring device standard J
IS, Z-9117-1975 blank 11 - As is clear from the table above, the retroreflection performance test values of the decorative tent cloth obtained by the method of the present invention are 1 at observation angles of 0.21 to 015 degrees, JIS, Z-9
It is lower than the reflection performance value of Class 1 or Class 2 based on 117-1975. However, this reflective performance is applied to road signs and road appendages in which reflective sheets are pressure-sensitively formed or bonded with heat-pressure layered adhesives, and is intended to improve the traffic safety of moving vehicles. Due to the high visibility and reflective performance required to achieve this, the method for night-time stores using the method of the present invention is different from decorative tents.

The method of the present invention uses a frame-type coating device used in multicolor printing to efficiently coat a one-component retroreflective material compound, a coloring material that does not contain a retroreflective material, a resin fixing agent, etc. , and the desired multicolored retroreflective decorative tent cloth can be obtained industrially and easily. Moreover, the glass microspheres are not fixed on the entire surface, which is expensive, and the part 13-12- with a retroreflective function is manifested as a knitted pattern, and can be used as a sign for a store open at night, etc., and the desired color or color can be applied. The present invention provides a multicolored retroreflective decorative tent cloth with a knitted pattern that is highly recognizable for 'frA' and is suitable for night-time operations and has advantages such as freedom of selection of combinations.

In this way, the knitted retroreflective decorative tent cloth produced by the method of the present invention can equally meet the needs of stores, etc. that seek differentiation as signs for night-time operations, and can be expected to have excellent visibility effects at night. This product is excellent in that it allows the user to freely select any color of the knitted pattern, and can be easily processed uniformly and stably using the frame coating method.

[Brief explanation of drawings]

The attached drawings show one embodiment of the present invention, and show the first embodiment of the present invention.
The figure is a partial front view of the decorative tent cloth according to the present invention, and FIG. 2 is a schematic partial cross-sectional view. 1... Base fabric, 2... Retroreflective portion 4... Glass micro sphere, 5... Reflective material, 6... Resin fixing agent, Patent applicant Kansai Hanpu Chemical Waterproofing Co., Ltd. 14-

Claims (1)

[Claims] A knitted retroreflective decorative tent cloth characterized in that a compound having a retroreflective effect consisting of glass microspheres, a reflective material, a coloring material, and a resin adhesive is applied to the surface of a fiber base fabric by a frame coating method. Manufacturing method.