CN1075572C - Hand iron - Google Patents

Abstract

Provide an iron with improved hardness and wear resistance by dispersing ceramic whiskers in paint, and provide an iron that does not easily absorb cloth by dispersing ceramic whiskers whose surface is coated with a conductive material in paint .

Description

the iron

The present invention relates to fluorine coatings for irons.

In the prior art, a fluorine coating is applied to the surface of the iron. That is, in order to prevent the paste adhering to the clothes from adhering to the iron when ironing with an iron, the iron needs to be non-stick, in addition, it needs to have heat resistance to withstand the high temperature of ironing, and it is necessary to ensure that the iron For the sliding properties of clothes, for these purposes, a fluorine coating is applied to the surface of the iron as described above.

However, the current fluorine coating treatment has problems such as wear and peeling of the fluorine coating on the surface during the long-term ironing process. In addition, in recent years, in order to improve the usability of the iron, wireless has been promoted, and at the same time, in order to improve the heat storage property, the weight of the iron body has increased. As a result, the sliding properties of the conventional iron during ironing are deteriorating. In addition, due to static electricity generated by friction with clothes during ironing, there is often a phenomenon that the cloth is adsorbed on the base of the iron.

The purpose of the present invention is to solve the above-mentioned problems existing in the existing structure of the iron, and its first purpose is to improve the hardness and wear resistance of the fluorine coating of the iron.

A second object of the present invention is to provide an iron having improved electrical conductivity for the purpose of suppressing the adsorption of cloth to the iron during ironing.

A third object of the present invention is to provide an iron having improved hardness, abrasion resistance, and cloth adsorption without affecting sliding properties.

In addition, the existing fluorine coating lacks luster, and mica is added to produce brightness. But the addition of mica made the iron less slippery. Therefore, a fourth object of the present invention is to provide an iron with improved gloss without affecting sliding properties.

Related to the fourth object, the fifth object of the present invention is to provide an iron with further improved brightness.

The first means adopted to achieve the first object is to provide an iron having a base material and a coating on the surface of the base material, wherein the coating is coated with a paint containing a fluororesin and ceramic whiskers. The fluororesin is at least one selected from tetrafluoroethylene resin, tetrafluoroethylene/perfluoroalkoxyethylene copolymer resin, tetrafluoroethylene/hexafluoropropylene copolymer resin and tetrafluoroethylene/ethylene copolymer resin or its combination.

A second means of the present invention employed to achieve the second object is to provide an iron coated with a paint containing ceramic whiskers whose surface is coated with a conductive material.

The third means of the present invention adopted in order to achieve the third object is, in connection with the above-mentioned first and second objects, to provide a method for improving hardness and wear resistance without affecting sliding properties. Irons coated with coatings containing less than 20% by weight of ceramic whiskers on a solids basis.

A fourth means of the present invention employed to achieve the fourth object is to provide an iron coated with a paint having ceramic whiskers and mica and aluminum particles having a particle size of 50 µm or less.

The fifth means of the present invention adopted to achieve the fifth purpose is to provide a coating with ceramic whiskers, mica or aluminum particles with a particle size of 50 μm or less, and mica and aluminum particles with a particle size of 60 to 125 μm. The clothed iron, wherein the ratio of ceramic whiskers to mica or aluminum particles with a particle size of 50 μm or less to mica and aluminum particles with a particle size of 60 to 125 μm is 95/5 to 80/20.

The effect of the first means of the present invention is that the ceramic whiskers are uniformly distributed throughout the coating film, thereby improving the hardness and abrasion resistance of the coating film.

The effect of the second means of the present invention is that the ceramic whiskers coated with the conductive material are uniformly distributed throughout the coating film, thereby improving the conductivity of the coating film.

The third means of the present invention works by adding ceramic whiskers less than 20% by weight of the solid content, thereby improving hardness and abrasion resistance without affecting sliding properties.

The effect of the fourth means of the present invention is that since the particle size of the mica added to the ceramic whiskers is less than 50 μm, its dispersibility in the coating is good, and when it is coated on the surface of the base material, it can be made into a coating surface. An iron with no protrusions, good sliding properties, and a glossy finish.

The role of the fifth means of the present invention is to add mica or aluminum particles with a particle size distribution of 50 μm or less and mica with a particle size of 60 to 125 μm in a mixing ratio of 95/5 to 80/20 in addition to ceramic whiskers. Or aluminum particles, so that it can be made into a shiny iron without affecting the sliding property.

Example 1

Next, an embodiment of the present invention will be described with reference to FIG. 1 . 1 is the base material of die-cast aluminum used, on the surface of the base material 1, the heat-resistant polymer constituting the first layer 2 is coated, and then on the surface of the first layer 2, coated with the Fluorine paint, which constitutes the base of the iron. As the heat-resistant polymer constituting the above-mentioned first layer, a fluorine-containing resin obtained by mixing polyethersulfone or polyamide-imide with a tetrafluoroethylene/hexafluoropropylene copolymer resin and a pigment is used. And the second layer 3 is at least one selected from tetrafluoroethylene resin, tetrafluoroethylene/perfluoroalkoxyethylene copolymer resin, tetrafluoroethylene/perfluoropropylene copolymer resin, tetrafluoroethylene/ethylene copolymer resin or Its combination of fluorine-containing paint and ceramic whiskers4. The ceramic whiskers 4 used in this embodiment are ceramic-based materials such as potassium titanate and alumina having excellent properties such as hardness and tensile strength. As described above, after the first layer 2 is applied and dried, the second layer 3 is applied and dried, and then fired at about 380° C. to form an iron base.

Fig. 5 is an enlarged partial cross-sectional view of the appearance of the iron and the base of the iron in this embodiment.

Next, another embodiment will be described with reference to FIG. 2 . Only one layer (coating layer 6) is coated on the surface of the base material 1 to form the base of the iron. The coating layer 6 is formed by dispersing fluorine-containing resins, heat-resistant polymers other than fluorine-containing resins, and ceramic whiskers 4 in an organic solvent and coating them. The fluorine-containing resin is one selected from tetrafluoroethylene resin, tetrafluoroethylene resin/perfluoroalkoxyethylene copolymer resin, tetrafluoroethylene/perfluoropropylene copolymer resin, tetrafluoroethylene/ethylene copolymer resin or a combination thereof. The heat-resistant polymer is one or a combination of polyethersulfone (PES), polyamide (PA), polyamideimide (PAI) and the like.

The test pieces formed as above were subjected to the following hardness test and abrasion resistance test to evaluate their hardness and abrasion resistance. That is, the hardness is measured by a test of scratching with a JIS K5400 pencil. The wear resistance was measured by visually observing the peeling of the fluorine-containing coating when the cotton cloth was repeatedly slid on the surface of the iron. The results are shown in Table 1.

Table 1 Potassium titanate whiskers Aluminum oxide glass bead Hardness wear resistance 2H○ H△ H○

Comparative Examples 1 and 2 in Table 1 are alumina and glass beads, respectively. In the abrasion resistance test, ◯ indicates that peeling was not observed, △ indicates that peeling was slightly observed, and × indicates that peeling was clearly observed. The amount of additive used in this experiment was 10% by weight of solid content.

Example 2

Next, a second embodiment of the present invention using the ceramic whisker 4 whose surface is coated with a conductive material will be described. The ceramic whiskers 4 used in this embodiment are ceramic-based materials such as potassium titanate and alumina having excellent properties such as hardness and tensile strength. In addition, the conductive material is carbon, tin oxide, or the like. In the same manner as in Example 1, an iron base was produced.

Conductivity evaluation was performed on the test piece formed above under the following conditions. That is, slide the test piece with the test piece in the base of the iron on the lamb cloth for a certain number of times at a certain speed, then place the test piece on several overlapping layers of silk cloth, and observe how many layers of silk cloth are absorbed. , the test results are shown in Table 2.

Table 2 Amount of whiskers added (%) 0 1 5 10 The number of layers of silk cloth to be adsorbed 4～5 3 2～3 1

The results of this experiment show that the electrical conductivity of the iron is improved with the addition of ceramic whiskers coated with the conductive material compared to the absence of the addition. The reason for this is presumed to be that the ceramic whiskers coated with the conductive material have the effect of uniformly diffusing the surface charge of the coating film during electrification to the entire coating film.

Example 3

Table 3 shows the relationship between the amount of whiskers added and the sliding properties of the test pieces having the same configuration as in Example 1 above. The sliding test is to put the test piece into the base of the iron, increase the load so that the total weight of the test piece and the iron base used for the test reaches a certain weight, put the test piece on the cotton cloth, and pull it through the tensiometer. In this way, the test object starts to slide, and the traction load when the display value of the tensiometer becomes stable is taken as the sliding force.

table 3 Amount of whiskers added (%) 5 10 20 30 Slidability (g) 400 400 400 600 hardness 2H 2H 2H 2H

The sliding force in Table 3 represents the value when the display value of the tensiometer becomes stable after the test product starts to slide. The smaller the value, the easier the iron slides, that is, the better the sliding performance.

The results of this experiment show that when the amount of potassium titanate whiskers added exceeds 20% by weight of the solid content, the slipperiness decreases.

Example 4

Next, a fourth embodiment of the present invention will be described with reference to FIG. 3 . The first layer 2 on the surface of the base material 1 is the same as in the above-mentioned embodiment 1. The second layer 3 is formed by adding mica 5 having a particle diameter of 50 μm or less to the configuration of Example 1 (that is, the second layer 3 ). In the above configuration, after the first layer 2 is applied and dried, the second layer is applied and dried, and then fired at about 380°C.

Another embodiment will be described below with reference to FIG. 4 . The coating layer 6 on the surface of the base material 1 is formed by adding mica 5 having a particle size of 50 μm or less to the configuration of the above-mentioned embodiment 2 (that is, the coating layer 6 ).

The following sliding test was performed on the test piece formed as above, and the sliding property was measured. Right now,

Put the test piece into the base of the iron, increase the load until the total weight of the test piece and the base of the iron used for testing reaches a certain weight, put the test piece on the cotton cloth, and pull it through the tensiometer. In this way, the test object starts to slide, and the traction load when the display value of the tensiometer becomes stable is taken as the sliding force. The results are shown in Table 4.

Table 4 Mica particle size (μm) ~35 ~50 60～125 Slidability (g) 400 450 800

The sliding force in Table 4 represents the value when the display value of the tensiometer becomes stable after the test product starts to slide. The smaller the value, the easier the iron slides, that is, the better the sliding performance.

According to this embodiment, the mica with a particle size of less than 50 μm has good dispersibility in the paint, and after being coated on the surface of the base material, there will be no phenomenon of protruding from the surface of the coating film, and it can be made into an iron with good sliding properties and brightness. .

Example 5

Next, a fifth embodiment of the present invention will be described. In the present embodiment, the mica 4 in the second layer 3 or coating 6 represented in Fig. 3 or Fig. 4 is mica with a particle diameter of 50 μm or less and a particle diameter of 60 to 125 μm in a mixing ratio of 95/5 to 80/20. mixture of mica.

Table 5 shows the results obtained after testing the test piece.

table 5 Mica particle size ratio Below 50μm 95 80 75 60～125μm 5 20 25 Slidability (g) 400 450 650 brightness ○ ○ ○

In the evaluation of brightness in Table 5, ○ indicates good brightness, and × indicates poor brightness. As a result of this experiment, when a mixture of mica with a particle size of 50 μm or less and mica with a particle size of 60 to 125 μm was used at a mixing ratio of 75/25, the sliding properties deteriorated. That is, in order to maintain good brightness without affecting the sliding properties, it is sufficient to mix mica with a particle size of 50 μm or less and mica with a particle size of 60 to 125 μm at a ratio of 95/5 to 80/20.

With the first means of the present invention, it is possible to provide an iron having a base material and a coating on the surface of the base material, the hardness and wear resistance of which have been improved, wherein the coating is made of a material containing fluororesin and ceramic whiskers. The coating is coated, and the fluororesin is selected from tetrafluoroethylene resin, tetrafluoroethylene/perfluoroalkoxyethylene copolymer resin, tetrafluoroethylene/perfluoropropylene copolymer resin and tetrafluoroethylene/ethylene copolymer resin at least one or a combination thereof.

According to the second means of the present invention, by coating the surface of the ceramic whisker with a conductive material, it is possible to provide an iron capable of suppressing adsorption of cloth during ironing.

With the third means of the present invention, by adding ceramic whiskers of less than 20% by weight of solid content, an iron having improved hardness, abrasion resistance and cloth adsorption can be provided without affecting sliding properties.

According to the fourth means of the present invention, by adding mica having a particle diameter of 50 μm or less to the coatings of the first to third means of the present invention, an iron with improved gloss without affecting the sliding properties can be provided.

Adopting the fifth means of the present invention, by adding mica or aluminum particles with particle diameter below 50 μm and particle diameter in the coating of first to third means of the present invention with a mixing ratio of 95/5 to 80/20 The mica or aluminum particles of 60-125 μm can provide an iron with further improved brightness.

Fig. 1 is a cross-sectional view of irons according to first to third embodiments of the present invention.

Fig. 2 is a cross-sectional view of irons according to first to third embodiments of the present invention.

Fig. 3 is a sectional view of irons according to fourth and fifth embodiments of the present invention.

Fig. 4 is a sectional view of irons according to fourth and fifth embodiments of the present invention.

Fig. 5 is an enlarged partial cross-sectional view of the appearance of the iron of the present invention and an iron base. Symbol Description

1 Base material 2 The first layer 3 The second layer

4 ceramic whiskers 5 mica or aluminum particles 6 coating

Claims (5)

1. An iron is characterized in that it has a base material and a coating on the surface of the base material, wherein the coating is coated with a coating containing fluororesin and ceramic whiskers, and the fluororesin is selected from tetrafluoroethylene Resin, at least one or a combination of tetrafluoroethylene/perfluoroalkoxyethylene copolymer resin, tetrafluoroethylene/hexafluoropropylene copolymer resin and tetrafluoroethylene/ethylene copolymer resin. 2. 1. An iron as claimed in claim 1, characterized in that the surface of the ceramic whiskers is coated with a conductive material. 3. The iron according to claim 1, characterized in that less than 20% by weight of the solid content of ceramic whiskers are added. 4. The iron according to any one of claims 1 to 3, characterized in that the coating has mica or aluminum particles with a particle size of 40 [mu]m or less. 5. An iron as claimed in any one of claims 1-3, characterized in that the coating has mica or aluminum particles with a particle size of 50 μm or less and mica or aluminum particles with a particle size of 60-125 μm, said particle size being between The ratio of the mica or aluminum particles below 50 μm to the mica or aluminum particles with a particle size of 60-125 μm is 95:5 to 80:20.

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