KR20140009090A

KR20140009090A - A silicone composition for handicraft

Info

Publication number: KR20140009090A
Application number: KR1020130151084A
Authority: KR
Inventors: 유정희
Original assignee: 대일소재(주)
Priority date: 2013-12-06
Filing date: 2013-12-06
Publication date: 2014-01-22

Abstract

The present invention relates to an artificial clay composition for craft changing colors upon temperature. The purpose of the present invention is to provide an artificial clay composition, which is neither sticky nor hardened even though a crafted product (materials) is manufactured and left at atmosphere as inorganic compounds with high transparency are used as main components; is able to express a soft and light texture and to float in the water due to a low specific gravity; and changes its own colors according to the change of temperature. The artificial clay composition for craft changing colors upon temperature according to the present invention comprises a gum base consisting of polysiloxane compounds, at 60-80% to the total weight of the artificial clay composition; a filler consisting of powder type silica for controlling the hardness, at 10-25% to the total weight of the artificial clay composition; a plasticizer consisting of polydimethylsiloxane for preventing solidification, at 3-5% to the total weight of the artificial clay composition; a color pigment for producing colors at 1-3% to the total weight of the artificial clay composition; a hollow filler selected from silica and acryl-based compounds in order to realize a low specific gravity, at 1-10% to the total weight of the artificial clay composition; and a heat sensitive pigment changing colors according to the change of temperature, at 0.01-3% to the total weight of the artificial clay composition.

Description

Synthetic artificial clay composition which discolors with temperature {A SILICONE COMPOSITION FOR HANDICRAFT}

The present invention relates to a synthetic artificial clay composition that is non-sticky and can be reused without being hardened even if it is left unattended; More specifically, it has a low specific gravity characteristic and enables the appearance of a soft and light texture, and its color changes according to temperature change, which can induce curiosity and creativity more effectively. will be.

Generally known artificial clay (also known as rubber clay) is made so that children can easily play peacock, and is manufactured / sold as oil-based artificial clay or aqueous artificial clay. Oily artificial clay can maintain its shape as it is stored after making the sculpture, but it is difficult for children to make a model using the artificial clay. And while aqueous artificial clay is easy to use for children to play because the dough is easy, there is a drawback phenomenon is severe when the production of a lot of moisture content, the shrinkage and twisting phenomenon occurs when dried, it is difficult to store for a long time. In addition, the oil-based artificial clay and the aqueous artificial clay has a disadvantage that it is not easily reused when left after manufacturing the workpiece.

To solve this disadvantage; The applicant has filed a “working rubber clay” that is not hardened even after being left for a long time after making a workpiece (model) and filed on June 8, 2010 to secure rights (Patent Registration No. 10-1012314). . The working rubber clay disclosed in the applicant's invention patent No. 10-1012314 is; A gel-based silicone base prepared with 60 to 80% of the total weight of the rubber clay and made of a mixture of siloic acid and silicon, dimethyl, methylvinyl and vinyl group-terminated; 15 to 35% based on the total weight of the rubber clay; a plasticity modifier for adjusting the hardness of the silica-based powder system; An antioxidant of oil type which is composed of 1 to 5% based on the weight of the whole rubber clay and is composed of a polydimethylsiloxane system to prevent solidification; 0.1 to 1% based on the total weight of the rubber clay, and an antimicrobial agent for preventing bacterial growth; Are mixed with each other.

As a result, silicone base and polydisiloxane anti-solidification agent, which are excellent in transparency, are composed of main components, so they are excellent in transparency and non-sticky, so they don't get on your hands. There is a possible working effect. In addition, a small amount of the antimicrobial agent is added, there is an advantage that can prevent the breeding of bacteria even by using rubber clay repeatedly.

However, in the "functional rubber clay" disclosed in Patent No. 10-1012314, there is an advantage that it can be reused because it does not harden after being left for a long time, but its specific gravity is considerable so that it can sink in water and play with various places. There is. In addition, in the "cooperative rubber clay" disclosed in the above Patent No. 10-1012314, it is possible to produce a variety of colors by changing the color pigments added, but can not change the color itself. As a result, most infants and children who play with the action rubber clay have limitations to induce curiosity and creativity / creation.

The present invention has been made to solve such a problem, The object of the present invention is not sticky with the inorganic compound as a main component, and it is not hardened even after being left in the air after making the workpiece (model). It is possible to provide a "synthetic artificial clay composition discolored by temperature" which can change its own color according to temperature change and cause curiosity and creativity / creation more effectively.

In addition, another object of the present invention is to provide a "synthetic artificial clay composition discolored with temperature," which can prevent bacterial propagation by adding a small amount of antimicrobial agent to the artificial clay composition in which the inorganic compound is a main component.

In addition, another object of the present invention is to provide a "synthetic artificial clay composition discolored by temperature" which can make a luminous work for various atmospheres by adding a small amount of photoluminescent agent to the artificial clay composition of which the inorganic compound is the main component. will be.

According to an aspect of the present invention, In a synthetic artificial clay composition composed of an inorganic compound which can be repeatedly used as a functional degree and discolored with temperature;

The functional artificial clay composition; A gum base composed of 60 to 80% by weight of the total artificial clay composition and composed of a polysiloxane compound; It is provided with 10 to 25% by weight of the total artificial clay composition and made of a powder-based silica and a filler for controlling the hardness; It is provided with 3 to 5% by weight of the total artificial clay composition and a plasticizer for preventing solidification consisting of polydimethylsiloxane; It is provided with 1 to 3% by weight of the total artificial clay composition and a color pigment for producing a color; A hollow filler prepared in an amount of 1 to 10% by weight based on the total weight of the artificial clay composition and selected from at least one of silica or acrylic for low specific gravity; Zion pigment is prepared in 0.01 to 3% by weight based on the total artificial clay composition; Are mixed with each other.

The present invention also provides The zeolite pigment is a reversible zeolite pigment which gradually changes in transparency as the temperature rises with reference to 25 to 28 캜 and falls below a reference temperature to show the self color of the zeolite pigment.

The present invention also provides The synthetic artificial clay composition is provided with 0.1 to 1% by weight of the total synthetic artificial clay composition and an antimicrobial agent for preventing bacterial propagation; And further mixed.

The present invention also provides The synthetic artificial clay composition comprises 1 to 10% of a photoluminescent agent by weight of the total functional artificial clay composition; And further mixed.

According to the "functional artificial clay composition discolored with temperature" according to the present invention made of a mixture as described above; It is non-sticky with inorganic compounds as a main ingredient and can be reused because it is not hardened even if it is left in the air after making a workpiece (model), and it has low specific gravity characteristics through hollow fillers for soft and light texture. In addition, the color is changed according to the temperature change, there is an effect that can more effectively induce the curiosity and creativity of children or infants.

Further, according to the "functional artificial clay composition discolored with temperature" according to the present invention; Since a small amount of antimicrobial agent is mixed in the artificial clay composition, there is an advantage that can prevent bacterial growth even in repeated use.

Further, according to the "functional artificial clay composition discolored with temperature" according to the present invention; Since a small amount of photoluminescent agent is mixed with the artificial clay composition, there is an advantage that a workpiece having a luminous function can be produced.

Hereinafter, one preferred embodiment and physical properties according to the present invention will be described in detail; This is intended to be described in detail so that those skilled in the art can easily practice the invention, which does not mean that the technical spirit and scope of the present invention is limited.

"Synthetic artificial clay composition discolored by temperature" according to the present invention is made by mixing the essential composition such as gum base (GUM BASE), fillers, plasticizers, color pigments, hollow fillers, Zion pigments in an appropriate composition ratio, The composition of the antimicrobial agent and the photoluminescent agent may be additionally mixed to inhibit bacterial propagation and impart a luminous function.

The gum base contains 60 to 80 parts by weight of the total synthetic artificial clay composition, and includes siloxanes and silicones, dimethyl, methylvinyl and vinyl group-terminated. In the embodiment of the present invention is applied to a polysiloxane compound system. The gum base consisting of the above components serves to maintain the shape of the synthetic artificial clay composition. Such gum base should be contained in an amount of 60 to 80 parts by weight based on the total weight of the synthetic clay composition to facilitate molding and maintain its shape. When it is contained in an amount exceeding 80 parts by weight, the formability of the workpiece is improved, but the shape is maintained even after the workpiece is made. This can be easily modified. In an embodiment of the present invention, the gum base is composed of siloxane and silicones, dimethyl, methylvinyl and vinyl group-terminated chemicals of chemical service summary No. 68083-18-1. (vinyl group-terminated) was adopted as a gel state of the polysiloxane compound made by mixing.

The filler is contained 10 to 25 parts by weight based on the total weight of the artificial clay composition, and consists of a powder-based silica, it is contained in the artificial clay composition serves to determine its plasticity (hardness). These fillers are in the form of powder of silica particles of 5 to 50,000 millimicron (Silicone Dioxide) of Chemical Service Summary No. (CAS No) 7631-86-9. The silica may also be selected from the group consisting of dry silica having a particle size of 5 to 20 millimicrons and wet silica having a particle size of 20 to 2,000 millimicrons and diatomite having a particle size of 2,000 to 50,000 millimicrons Or more. The above-mentioned dry silica (Fumed Silica) is excellent in transparency and can express various colors clearly. Wet silica (Precipitated Silica) is not very excellent in transparency, but it can express color clearly. Diatomaceous earth is not suitable for producing clear colors because its color is light gray or beige, but it is suitable for expressing dark colors.

The plasticizer contains 3 to 5 parts by weight based on the total weight of the artificial clay composition, and is made of polydimethylsiloxane, and is contained in the artificial clay composition to prevent solidification thereof. These plasticizers are in the form of transparent oils, preferably using polydimethylsiloxane of Chemical Service Summary No. (CAS No) 63148-62-9. The plasticizer consisting of the above components serves as a lubricant to soften the artificial clay composition while delaying the curing / solidification of the artificial clay composition over time. In addition, the plasticizer made of polydimethylsiloxane is widely used in women's cosmetics and the like, not only prevents the solidification of the artificial clay composition, but also serves to brighten the shine and brightness on the surface of the artificial clay composition.

In addition, the color pigment is contained in 1 to 3 parts by weight based on the total weight of the artificial clay composition, and serves to give a color (color) to the excellent silicone composition. In the artificial clay composition, when mixing only the gum base, the filler, and the plasticizer, the dough becomes milky white, and when the color pigments in the form of powders having a color such as red, green, yellow, blue, etc. are mixed, various colors work together. Artificial clay compositions can be made.

In addition, the hollow filler is made of 1 to 10 parts by weight based on the total weight of the artificial artificial clay composition, it is selected from at least one of silica or acrylic based is applied. These hollow fillers are contained in the functional artificial clay composition to serve to lower the specific gravity thereof. In the embodiment of the present invention, the hollow filler may be configured by selecting at least one of silica-based or acrylic-based, which serves to determine the plasticity of the artificial clay composition together with the filler while achieving low specific gravity. First, the hollow filler can be applied under the 3M product name GLASS BUBBLE, which is a high strength, low specific gravity additive made of soda lime borosilicate glass that is highly resistant to water and chemically very stable. The main characteristics of the hollow filler of 3M company as described above can reduce the specific gravity of the silicone composition and reduce the weight, there is a soft surface advantage. In an embodiment of the present invention, when the silica-based hollow filler is mixed about 3% of the total weight of the artificial clay composition, the specific gravity may be reduced to about 0.95, and when mixed about 10%, the specific gravity may be reduced to about 0.8. And the acrylic hollow filler is also contained in the synthetic artificial clay composition serves to reduce the specific gravity thereof. In another embodiment according to the present invention, when the acrylic hollow filler is mixed in an amount of about 1% with respect to the total weight of the artificial clay composition, the specific gravity may be reduced to about 0.8, and when mixed at about 5%, the specific gravity may be reduced to about 0.45.

In addition, the Zion pigment is mixed in an amount of 0.01 to 3 parts by weight based on the total weight of the artificial artificial clay composition, which is made of a powder form that changes color with temperature change. Zion pigments are basically classified as reversible or irreversible depending on whether they are transparent when the temperature rises above the reference temperature and then return to the original color when the temperature decreases again. The reversible zeolite pigment can be used repeatedly back to its original color, and the irreversible zeolite pigment is a one-shot that does not return to its original color. In more detail, the reversible Zion pigment is a black pigment having a reference temperature of 20 ° C., that is, a pigment that changes to transparent at 20 ° C. or higher; When the temperature is 10 ℃, it appears black and gradually becomes transparent when the temperature is over 20 ℃. When the ambient temperature is 30 ℃, the color becomes transparent when the temperature drops below 20 ℃.

These Zion pigments are basically composed of microcapsule materials, as shown in the discoloration concept below, and in the capsules are composed of an electron donor and an electron acceptor, and these materials When combined, they show color and heat separates and becomes transparent.

Zion pigment in the embodiment of the present invention was adopted in the form of a powder to make it easy to mix with other compositions, gradually turning to transparent as the temperature is raised on the basis of 25 ~ 28 ℃ Zion when below the reference temperature It consisted of a reversible zion pigment which exhibited its own color. Adopting a Zion pigment with a discoloration reference temperature of 25 ~ 28 ℃ is easy for the naked eye to change the color even at a small temperature difference while the child or infant universally playing with the "working artificial clay composition" according to the present invention at room temperature This is to make sure that. In addition, the Zion pigments have their own color and are mixed with the color pigment colors that are basically mixed in the artificial clay composition, thereby making artificial clay compositions having various colors. Of the present invention, but it is not limited to this can be applied in the form of a liquid Zion slurry (Thermochromic-Slurry)}

On the other hand, the antimicrobial agent that can be mixed additionally contains 0.1 to 1 parts by weight based on the total weight of the artificial clay composition, and serves to prevent the growth of bacteria in the artificial clay composition. Such antimicrobial agents can be used in the form of liquid or powder as long as they can impart antimicrobial properties to the artificial clay composition, and artificial clay compositions containing such antimicrobial agents can suppress the growth of bacteria after the production is completed, thereby making the artificial clay composition toys. It plays a role of preventing the user from playing with the bacteria.

In addition, the photoluminescent agent that can be additionally mixed is contained in an amount of 1 to 10 parts by weight based on the total weight of the artificial clay composition, and when the aluminum-based photoluminescent agent having particles of 3 to 10,000 milli microns is mixed, A low specific gravity synthetic clay composition can be made that emits light when dark. In the embodiment of the present invention, although the aluminum-based photoluminescent agent is adopted, various kinds of photoluminescent agents may be selected and applied.

Next will be described the manufacturing process of the artificial clay composition discolored according to the temperature according to the present invention to which the composition as described above.

First, the manufacturing process of the artificial artificial clay composition according to the present invention is a kneading process of kneading a gum base, a filler, a plasticizer and mixing the first, and after adding the color pigment, hollow filler, Zion pigment mixing It is divided into mixing process.

The kneading process is performed using a dough reader, with a gum base of 60 to 80% based on the total weight of the synthetic artificial clay composition, a filler of 10 to 25% relative to the total weight of the artificial clay composition, and the total weight of the artificial clay composition. It is a process of kneading 3 to 5% of the plasticizer. After this kneading process, the gum base, filler, and plasticizer are evenly mixed to complete the artificial clay composition in the form of a dough (DOUGH).

Subsequently, the mixing process was performed using a roller mixer, with a color pigment of 1 to 3% of the total weight of the artificial clay composition, 1 to 10% hollow filler with respect to the total weight of the artificial clay composition, 0.01 to 3% of Zion pigment based on the weight of the clay composition is added to the artificial clay composition. Through this mixing process, The functional artificial clay composition discolored with temperature according to the invention is finally completed.

Such a synthetic artificial clay composition can be applied to different color pigments and Zion pigments to implement a variety of colors, the most important in the preparation of the artificial artificial clay composition is the ratio of each composition to prepare each composition separately It is preferable to mix these.

On the other hand, adding a predetermined amount of antimicrobial agent in the mixing process when manufacturing the artificial artificial clay composition can prevent bacterial propagation, and by adding a predetermined amount of photoluminescent agent, it is possible to produce a luminous workpiece capable of producing various atmospheres by emitting light at night. have. In addition, if the user directly removes a part of the synthetic clay composition having different colors and mixes them, the artificial clay composition dough having another color can be freely made.

In addition, by controlling the content ratio of the hollow filler which is essentially mixed in the artificial artificial clay composition according to the present invention by reducing the specific gravity of the artificial clay composition to about 0.8 ~ 0.9 to enable a smoother and lighter texture expression and products that can float in water It can be used as a function in various environments.

In addition, it is possible to make a silicone composition dough that changes its own color according to temperature changes by controlling the content ratio of color pigments and zion pigments, which are essentially mixed in the "synthetic artificial clay composition discolored with temperature" according to the present invention. . In other words, the artificial clay composition according to the present invention in which the yellow color pigment is mixed is dark yellow at room temperature (18 ° C.), and at 40 ° C., the zion pigment color becomes transparent and becomes pale yellow as a whole. The silicone composition according to the present invention in which the orange color pigment is mixed is dark orange at room temperature (18 ° C.), and turns to pale orange at 40 ° C., and the silicone composition according to the present invention in which the purple color pigment is mixed is room temperature (18 ℃) is dark purple, but at 40 ℃ it becomes pale light blue. Accordingly, when the workpiece is made using the synthetic artificial clay composition according to the present invention, the color of the workpiece may be changed in accordance with temperature, thereby inducing curiosity and creativity / creation more effectively for children or infants.

As described above in another embodiment of the present invention as described above, in addition to the essential components of the artificial clay composition by mixing the antimicrobial agent and the photoluminescent agent, it is possible to suppress bacterial propagation and impart various color and luminous function Of course.

Claims

In a synthetic artificial clay composition composed of an inorganic compound which can be repeatedly used as a functional degree and discolored with temperature;
The synthetic artificial clay composition is;
A gum base composed of 60 to 80% by weight of the total artificial clay composition and composed of a polysiloxane compound;
It is provided with 10 to 25% by weight of the total artificial clay composition and made of a powder-based silica and a filler for controlling the hardness;
It is provided with 3 to 5% by weight of the total artificial clay composition and a plasticizer for preventing solidification consisting of polydimethylsiloxane;
It is provided with 1 to 3% by weight of the total artificial clay composition and a color pigment for producing a color;
A hollow filler prepared in an amount of 1 to 10% by weight based on the total weight of the artificial clay composition and selected from at least one of silica or acrylic for low specific gravity;
Zion pigment is prepared in 0.01 to 3% by weight based on the total artificial clay composition; Synthetic artificial clay composition discolored with temperature, characterized in that made by mixing.

The method of claim 1,
The Zion pigment is gradually changed to transparent as the temperature is increased based on 25 ~ 28 ℃ and when the temperature is lower than the reference temperature is a reversible synthetic Zyn pigment which is characterized in that the color is characterized in that the reversible Zion pigments exhibiting its own color Clay composition.

The method of claim 1,
The synthetic artificial clay composition is;
It is provided with 0.1 to 1% by weight of the total synthetic artificial clay composition and an antimicrobial agent for preventing bacterial propagation; Synthetic artificial clay composition which is discolored according to the temperature, characterized in that made by further mixing.

The method of claim 1,
The synthetic artificial clay composition is;
1-10% of a photoluminescent agent by weight of the total functional artificial clay composition; Synthetic artificial clay composition which is discolored according to the temperature, characterized in that made by further mixing.