KR102205489B1 - Waterproof insulation material for wearable robot used in water - Google Patents

Abstract

The present invention relates to a waterproof insulation material for a wearable robot used in the water, and it is possible to maximize the waterproof effect and heat insulation effect of the wearable robot used in the water.
In addition, it is a wearable robot used in the water with increased safety and visibility of workers or trainers who fell into the water, and water does not penetrate to workers or trainers wearing the wearable robot because the waterproof insulation material is adhered to it. It does not spill out and can prevent hypothermia due to infiltration of water.

Description

Waterproof insulation material for wearable robot used in water}

The present invention relates to a waterproof insulation material for a wearable robot used in water, and more specifically, to a material that is attached to the front of a wearable robot used in water, and can increase waterproof and heat insulation effects.

In general, when working or training on the water, a lifesaving airbag is provided for the safety of workers or trainers. For example, a life jacket is intended to safely protect users from various maritime accidents that may occur during maritime activities such as fishing boats, ships, and maritime work, and by wearing them on the upper body of the body, they can float even if they fall into the water, protecting valuable lives. do.

Here, if you briefly look at the life jacket according to the prior art, the vest is configured to be worn on the upper body of the body, and a light buoyant material is inserted inside the vest, or the gas launcher of the air inflatable life vest made of an air tube is obtained at the same time. It is designed to expand automatically by injecting gas (air) into the air tube.

However, if a worker or trainer is unable to escape from the water due to unexpected injury or other reasons, a person located nearby throws a lifesaving airbag at the worker or trainer. Thereafter, a worker or a trainee can be safely rescued by fastening a lifesaving airbag to his or her body so that it floats on the water and secures time.

However, such a conventional life-saving airbag has limitations in terms of durability and ease of floating. Accordingly, a lifesaving airbag in the form of a wearable robot, which is worn by humans, has also been developed.

These wearing robots are generally referred to as skeletal wearing robots, and are manufactured in a form that surrounds the body of a worker or trainer. A motor drive device or the like may be combined, or other means for floating may be combined.

However, since such a conventional skeletal wearing robot contains a lot of metal materials, it is difficult to maintain the body temperature of the worker or trainer who is waiting for the rescue since the low temperature is transmitted to the worker or trainer as it is in the water. In addition, there is a problem of low durability because waterproofing is not smooth.

Accordingly, it is necessary to develop a material having excellent waterproofing and insulation that is applied to a skeletal wearing robot.

With reference to prior art 1 (KR 10-0852213 B1, announcement date August 13, 2008), a belt body provided with a receiving portion outside the central portion; A folding tube having a central portion fixedly accommodated in the receiving portion of the belt body and unfolding in an arc shape by air injection in an emergency; An air pump provided in the belt body and injecting air into the foldable tube; A bure connected to the air pump and a pneumatic hose and provided with an air inlet at an end of the pneumatic hose to suck air from the water surface by the operation of the air pump; A battery installed adjacent to the air pump and supplying power to the air pump; An absorption unit provided on the belt body and absorbing water; A sensor unit sensing that water is absorbed by the absorption unit and applying power supplied from the battery to the pump; It proposes a belt-type life-saving mat including. However, this is not combined with a part for the wearing robot, and has a limitation in that it cannot solve the problem on the material recognized by the present invention.

In addition, Preceding No. 2 (KR 10-2018-0015448 A, publication date February 13, 2018) is to run the rescue app on the smartphone and install the LED and reflector when an accident such as distress occurs while the user is using water activities. It induces a quick structure by using the LED battery and the battery of the smartphone can supply power through the auxiliary battery, and the auxiliary battery can be charged using a solar panel, so that the existing user is quickly rescued when drowning. If this is not done, it discloses a content to solve the problem of overloading, which can be developed due to a drowning accident. However, this relates to an LED-type life jacket using a location tracking function of a smartphone, and is not combined with a part for a wearing robot, and has a limitation in that it cannot solve the problem of the material recognized by the present invention.

(Patent Document 1) KR 10-0852213 B1 (Patent Document 2) KR 10-2018-0015448 A

An object of the present invention is to provide a waterproof insulation material for a wearable robot used in the water.

Another object of the present invention is to provide a waterproof insulation material capable of maximizing the waterproofing effect and insulation effect of a wearable robot used in the water, and a manufacturing method thereof.

Another object of the present invention is a wearable robot used in water with increased safety and visibility of workers or trainers who fall into the water, and water does not penetrate to workers or trainees wearing the robot because waterproof insulation material is adhered to it, even in distress for a long time. It does not leak body temperature to the outside and prevents hypothermia caused by the infiltration of water.

In order to achieve the above object, the waterproof insulation material for a wearable robot used in the water according to an embodiment of the present invention includes a fiber sheet layer; A first heat insulating layer laminated on one side of the fiber sheet layer; An insulating foam layer laminated on one surface of the first insulating layer; A second insulating layer laminated on one surface of the insulating foam layer; And a waterproof coating layer formed on the surface of the second insulation layer, wherein the waterproof insulation material blocks the input of water from outside into the material and prevents heat inside the material from leaking to the outside. have.

The first heat insulating layer and the second heat insulating layer may be prepared by immersing glass wool in an inorganic binder solution and drying the glass wool immersed in the inorganic binder solution.

The inorganic binder solution may include an inorganic binder selected from the group consisting of clay, illite, diatomaceous earth, fine powder zeolite, and mixtures thereof.

The inorganic binder solution is an inorganic binder; Organic solvent; And it may include a polymer resin selected from the group consisting of polyvinyl chloride (PVC), polyvinyl acetate (PVA), polyphthalate (PET), and mixtures thereof.

The insulating foam layer may be selected from the group consisting of expanded polystyrene, expanded polyurethane, expanded polyethylene, and mixtures thereof.

The waterproof coating layer is a fluorine-based compound represented by the following formula (1); Surfactants; It may include a binder and a solvent:

[Formula 1]

here,

n is an integer from 1 to 100,

L ₁ and L ₂ are the same as or different from each other, and are each independently an arylene group having 6 to 30 carbon atoms, an alkylene group having 1 to 30 carbon atoms, or an alkylarylene group having 10 to 30 carbon atoms,

R ₁ and R ₂ are the same as or different from each other, and each independently hydrogen, hydrogen, deuterium, an alkyl group having 1 to 30 carbon atoms, an alkenyl group having 2 to 30 carbon atoms, an alkynyl group having 2 to 24 carbon atoms, and a heterogeneous group having 2 to 30 carbon atoms Alkyl group, C6 to C30 aralkyl group, C5 to C30 aryl group, C2 to C30 heteroaryl group, C3 to C30 heteroarylalkyl group, C3 to C20 cycloalkyl group, C3 to C20 hetero It is selected from the group consisting of a cycloalkyl group, a cycloalkenyl group having 3 to 20 carbon atoms, a heteroaralkyl group having 3 to 30 carbon atoms, and a heteroalkenyl group having 1 to 20 carbon atoms.

A method of manufacturing a waterproof insulation material for a wearable robot used in a water according to another embodiment of the present invention includes the steps of: 1) preparing a fiber sheet layer; 2) forming an adhesive layer on one surface of the first heat insulating layer, and laminating and adhering the one surface on which the adhesive layer is formed on one surface of the fiber sheet layer; 3) polystyrene resin; Citric acid; Acrylic copolymer; Stearic acid; Coating a paste obtained by mixing a crosslinking agent and azodicarbonamide on one surface of the first heat insulating layer by an extrusion method, and heating to form a heat insulating foam layer; 4) laminating and adhering a second insulating layer formed on one surface of the insulating foam layer with an adhesive layer on one surface of the insulating foam layer; And 5) a fluorine-based compound represented by the following formula (1) on one surface of the second heat insulating layer; Surfactants; Applying and drying a coating composition comprising a binder and a solvent may include forming a waterproof coating layer:

[Formula 1]

here,

n is an integer from 1 to 100,

L ₁ and L ₂ are the same as or different from each other, and are each independently an arylene group having 6 to 30 carbon atoms, an alkylene group having 1 to 30 carbon atoms, or an alkylarylene group having 10 to 30 carbon atoms,

R ₁ and R ₂ are the same as or different from each other, and each independently hydrogen, hydrogen, deuterium, an alkyl group having 1 to 30 carbon atoms, an alkenyl group having 2 to 30 carbon atoms, an alkynyl group having 2 to 24 carbon atoms, and a heterogeneous group having 2 to 30 carbon atoms Alkyl group, C6 to C30 aralkyl group, C5 to C30 aryl group, C2 to C30 heteroaryl group, C3 to C30 heteroarylalkyl group, C3 to C20 cycloalkyl group, C3 to C20 hetero It is selected from the group consisting of a cycloalkyl group, a cycloalkenyl group having 3 to 20 carbon atoms, a heteroaralkyl group having 3 to 30 carbon atoms, and a heteroalkenyl group having 1 to 20 carbon atoms.

The wearing robot to be used in the water according to another embodiment of the present invention is formed with a hollow portion, one end and the other end is spaced apart by a predetermined distance from the tube-shaped first support portion; A second support portion extending below the first support portion; And a third support portion extending downward from the second support portion and having a curved shape to be depressed from the rear to the front side, wherein the first support portion is raised in the water by buoyancy by the fluid flowing into the water. Both arms of the fallen person are supported by the first support part, the second support part wraps the rear of the waist part of the person who fell into the water, and the lower body of the person who has fallen into the water is in close contact with the third support part, and the first A speaker unit capable of emitting a warning sound capable of providing position information on the water by a user is formed on one side of the support unit, and the first support unit; A second support; And the waterproof insulating material is adhered to one or both surfaces of the third support part.

Hereinafter, the present invention will be described in more detail.

The waterproof insulation material for a wearable robot used in the water according to an embodiment of the present invention includes a fiber sheet layer; A first heat insulating layer laminated on one side of the fiber sheet layer; An insulating foam layer laminated on one surface of the first insulating layer; A second insulating layer laminated on one surface of the insulating foam layer; And a waterproof coating layer formed on the surface of the second insulation layer, wherein the waterproof insulation material blocks the input of water from outside into the material and prevents heat inside the material from leaking to the outside. have.

The waterproof insulation material for the wearable robot may be used as a material for a wearable robot used in the water, and in consideration of the characteristics of the wearable robot used in the water, a material capable of providing excellent waterproofing and insulating effects is provided. To do.

In general, when working or training on the water, a lifesaving airbag is provided for the safety of workers or trainers. If an operator or trainer is unable to escape from the water due to unexpected injuries or other reasons, a person located nearby will throw a lifesaving airbag at the operator or trainer. Thereafter, a worker or a trainee can be safely rescued by fastening a lifesaving airbag to his or her body so that it floats on the water and secures time.

Conventional lifesaving airbags consist of a vest, a fastening clip, and a strap. Although not shown, air can be introduced into the inside of the vest and can float on the water by buoyancy. The user inserts both arms between the straps coupled to the vest so that the vest is worn on the body, and the vest that is divided into two parts is fastened through a fastening clip to be completely mounted on the body.

However, such a conventional life-saving airbag has the following problems.

First, when the degree of injury to the worker or trainer is severe on the water, it may be difficult to put an arm between the straps, and thus it may be difficult to wear a lifesaving airbag on the body.

In addition, there is a problem in that physical strength deteriorates during the rescue process because there is no means for keeping warm while floating in the water before the worker or the trainer in the state where the body temperature has rapidly decreased.

As a wearable robot corresponding to an embodiment of the present invention that is designed to solve this problem, a more detailed description will be described later.

In the case of the lifesaving airbag, it is a device that allows the user to float in the water in case of an emergency from the water.It only provides a situation where the user is floating on the water, and there is sufficient solution to the problem of the user's body temperature rapidly dropping by water It is a situation that has not been done.

When the water temperature is high, such as in summer, there is a low possibility of a problem of lowering body temperature by water, but in other seasons except summer, a problem of lowering body temperature by water temperature may occur.

In this case, when floating on the water for a long time, the situation is floating on the water for a rescue, but the user's life may be at risk due to a decrease in body temperature.

In the case of the lifesaving airbag, due to the characteristics of the structure, it is fastened to the chest of the user, and other parts are immersed in water as it is, and there may be a problem of spending time to the rescue.

In the case of the wearable robot of the present invention, it is provided as an equipment that allows the user to float on the water, and if perfect waterproofing is possible due to the nature of the material, it is possible to block direct contact with water from the user, as well as by body temperature. Even when the temperature inside the wearing robot rises and floats on the water for a long time and waits for rescue, the occurrence of hypothermia due to the water temperature can be prevented.

Thus, more specifically, the waterproof insulation material according to an embodiment of the present invention is to provide a waterproof and thermal insulation effect by attaching to a wearing robot used in the water, a fiber sheet layer; A first heat insulating layer laminated on one side of the fiber sheet layer; An insulating foam layer laminated on one surface of the first insulating layer; A second insulating layer laminated on one surface of the insulating foam layer; And a waterproof coating layer formed on the surface of the second heat insulating layer.

More specifically, the fiber sheet layer not only plays the same role as the base layer, but also when manufacturing a wearable robot, molding plastic or using a mold, the fiber sheet layer is attached to the surface to be used. It is to make it possible.

That is, after forming an adhesive layer using an adhesive on one side of the fiber sheet layer, by attaching it to the exterior of the wearing robot, the waterproofing and insulating effect of the wearing robot can be exhibited.

The fiber sheet layer relates to a fiber fabric including a nylon/polyester split composite yarn. In general, nylon/polyester composite split yarn is divided into ultrafine nylon and polyester by physical and chemical treatment, and refers to a new material that exhibits various sensibility and functionality according to fabric design and dyeing processing conditions. As a result, high moisture permeability is expressed by microcavities existing between fibers, high heat barrier properties are expressed by these microcavities, and high cleaning characteristics are expressed due to the characteristics of a large surface area per unit weight.

The nylon/polyester split-type split yarn is a fiber with a fineness of 30 to 300d, and the microfiber has a three-dimensional structure, and there are countless micro-spaces created during splitting, making it a material excellent in moisture absorption, washing power, touch feeling, and warmth. The nylon/polyester split yarn is a micro microfiber yarn consisting of nylon and polyester in a ratio of 2:8 to 8:2 and divided into orange type after processing, and is a yarn in which a micro powder touch is expressed through a fine surface mowing effect. The nylon/polyester split-type split yarn is in a state in which impurities generated during employment have been removed through the process of desizing/refining.

By using the nylon/polyester split yarn as described above, a fabric manufactured in a sheet form may be used as a fiber sheet layer.

The fiber sheet layer is not limited to a fabric manufactured in a sheet form by using a nylon/polyester split yarn, and a fabric sheet layer that can be easily selected by a person skilled in the art may be used.

One side of the fiber sheet layer may be laminated with a first insulating layer, and the other side may be formed with an adhesive layer for attaching to the wearing robot.

The first heat insulating layer is laminated on one surface of the fiber sheet layer. The second heat insulating layer, which will be described later, is laminated on one side of the heat insulating foam layer.

The first heat insulating layer and the second heat insulating layer prevent body temperature from leaking to the outside, thereby increasing the heat insulation effect and increasing the temperature in the wearing robot.

The first heat insulating layer and the second heat insulating layer are prepared by immersing glass wool in an inorganic binder solution and drying the glass wool immersed in the inorganic binder solution.

The glass wool has excellent initial thermal conductivity and can evenly transfer heat provided as body temperature to the entire first and second heat insulating layers.

By using the dipping process using the inorganic binder solution, it is absorbed into the glass wool, dried, and the inorganic binder is included in the glass wool, and the heat insulation effect is increased by a combination of the glass wool and the inorganic binder. .

More specifically, glass wool is immersed in an inorganic binder solution to be described later, taken out, and then dried at 300 to 400° C. for 5 to 30 minutes. When the drying process is performed within the above range, the solvent is completely removed in the first heat insulating layer and the second heat insulating layer, and inorganic binder particles are included in the glass wool, so that an excellent heat insulating effect may be exhibited.

Glass wool is an inorganic fiber made by melting glass raw materials such as silica sand and cullet, and has excellent incombustibility, heat insulation, heat retention, and sound absorption, and has been generally used as a building material such as inner wall, outer wall insulation, and sandwich panel core material.

In the present invention, glass wool is immersed in an inorganic binder solution, dried, and used as a heat insulating layer sheet.

The glass wool is provided in the form of fibers of 5 to 10 μm, and has a number of pores. The pores are immersed in the inorganic binder component, and in addition to the heat insulation effect by glass wool, the heat insulation effect by inorganic binder particles may be exhibited.

The inorganic binder solution includes an inorganic binder selected from the group consisting of clay, illite, diatomaceous earth, fine powder zeolite, and mixtures thereof. It preferably contains diatomaceous earth and fine powder zeolite.

Diatomaceous earth referred to in the present invention is mainly made of silicic acid (SiO ₂ ), and has a white or grayish white color. It is light and soft enough to smear powder when touched with your fingers. Because it is a fine porous material, it has strong absorbency and is a poor conductor of heat. Diatomaceous earth in our country is calculated as soil within the tertiary or fourth stratum. During the third period in Korea, a fault motion in the northeast or northeast direction occurred, forming sedimentary basins in several places. The Yeongil Basin, the Earth Zone between Gilju and Myeongcheon, the Earth Zone between Seoul and Wonsan, and the Tuman River Basin were formed, and the third base was deposited there. When sedimentary layers were formed, diatoms were deposited in small shallow lakes or freshwater basins in various places to form deposits. Among these sedimentary basins, diatomaceous earth in Yeongil Bay is the largest in diatomite deposits, and is found intensively in Wolseong and Yeongil, Gyeongsangbuk-do. In addition, in North Korea, Haenghyeon-ri, Munsan-myeon, Anbyeon-gun, Anbyeon-gun, Namsan-ri, Anbyeon-myeon, Anbyeon-gun, Hamgyeongbuk-do, Bupyeong-dong, Junam-myeon, Gyeongseong-gun, Hoemun mine, Ungpyeong-myeon, Gilju-gun, Sanbon mine, Myeongcheon-gun, Myeongcheon-gun Seomyeon, Baekrok mine, Gangwon-do The production centers of Sephori, Gosaph-myeon, Pyeonggang-gun are known. The development of diatomaceous earth as a deposit in Korea began in 1941, when it was incorporated as a designated legal mineral under the'Chosun Mining Ordinance' (朝鮮鑛業令). Since then, domestic diatomite deposits have been discovered in various places, and in particular, diatomaceous earth produced in Iil-ri, Yangbuk-myeon, Wolseong-gun, Gyeongsangbuk-do, is said to have been used as a raw material for the manufacture of Asahi furnaces in Japan at Nodong-ri, Gyeongju. In recent years, it is used as a refractory material, and because of its strong absorption, it is mostly used as a filter material for purification of industrial water, water, medicine, and food. In addition, it is used as a filler for plastics and paper, adsorbent for dynamite, hemostatic agent, and a mixture of cement.

Zeolite referred to in the present invention is also referred to as a tombstone (沸石). There are many types, but they have a lot of water content, properties of crystals, and the like. Hardness does not exceed 6, and specific gravity is about 2.2. It is generally colorless, transparent or white translucent. When heated with a blowpipe, it boils and becomes bulging, so it got this name. Most types dissolve in hydrochloric acid and are often glued, but few types do not dissolve in hydrochloric acid.

As the main types, there are Bangbistone, Fisheye Stone, Chabazite, Soda Stone, Heullandite, Steelbite, Lomontite, and Innessite. It is produced from voids or fissures of basic igneous rocks such as basalt or tuff, and sometimes exists as a secondary mineral among granite and gneiss. It may also be produced in gold veins or other veins. The bonds of each atom are loose in a crystal structure, and the skeleton remains intact even if the moisture filling the gap is released by high heat, so other particulate matter can be adsorbed. Using this property, it is used as an adsorbent, and it is used as a molecular sieve that separates fine particles of different sizes.

The inorganic powder may have an average particle diameter of 0.05 to 30 μm. In the case of the inorganic powder having an average particle diameter of less than 0.05 μm, the dispersion power is lowered because the inorganic powder is irregularly agglomerated again, and when the particle size is larger than 30 μm, the penetration power in the glass-ol is decreased. Occurs.

The inorganic powder is characterized by using an inorganic powder coated with wax. When using the inorganic powder coated with wax as described above, that is, when using the particles coated with wax on the surface of diatomaceous earth and fine zeolite, the mechanical properties are better than when using inorganic particles not coated with wax. It is reinforced and can withstand external shocks strongly.

In addition, due to the wax coating, it is possible to increase the waterproof effect by lowering the moisture permeability of water penetrating into the interior.

The inorganic binder solution is an inorganic binder; Organic solvent; And it may include a polymer resin selected from the group consisting of polyvinyl chloride (PVC), polyvinyl acetate (PVA), polyphthalate (PET), and mixtures thereof.

Preferably, the inorganic binder solution contains 20 to 30 parts by weight of an inorganic binder and 30 to 50 parts by weight of a polymer resin based on 100 parts by weight of an organic solvent. Within the above range, dispersibility is improved, and penetration is strengthened when immersed in glass-ol, thereby exhibiting excellent heat insulation and waterproofing effects.

The polymer resin selected from the group consisting of polyvinyl chloride (PVC), polyvinyl acetate (PVA), polyphthalate (PET), and mixtures thereof is contained in an inorganic binder solution, and when glassol is immersed, glassol and inorganic It is possible to increase the bonding strength between the binders.

The organic solvent is an ether or an alcohol, preferably an ether solvent, but is not limited to the solvent.

A first heat insulating layer may be laminated on one side of the fiber sheet layer, and then, a heat insulating foam layer may be formed on one side, that is, an upper surface of the first heat insulating layer.

The insulating foam layer may be selected from the group consisting of expanded polystyrene, expanded polyurethane, expanded polyethylene, and mixtures thereof.

While the general insulating foam layer has excellent thermal insulation performance, it has disadvantages of being weak against heat and low mechanical strength.

In the present invention, in order to compensate for the shortcomings of the insulating foam layer and utilize the insulating performance, which is an advantage, both sides of the insulating foam layer are laminated as a first insulating layer and a second insulating layer to prevent the problem of damage to the foam layer by heat. And, it is possible to prevent the problem that damage occurs even by external impact.

One of the most effective insulators is the pores, especially the air layer at rest. Polystyrene, polyurethane, polyethylene resin, etc., which have been used as effective insulation materials in the past, are not insulation materials by themselves. In order for these organic resins to become heat insulating materials, they must inevitably undergo a foaming process. When the organic resin is foamed, a large amount of pores, that is, a stationary air layer, is created in the resin. Of course, the foaming gas remains in these pores, and the overall thermal conductivity of the foamed resin varies depending on the thermal conductivity of the gas. Nevertheless, the foamed resin has an effective effect as a heat insulating material due to a large amount of pores, that is, a stationary air layer provided in the foamed resin.

However, as a number of pores are formed in the foamed resin, a problem of weakening of mechanical strength may occur, and the polystyrene, polyurethane, and polyethylene resins are vulnerable to heat because they can be easily deformed by heat.

In order to prevent this problem, it will be said that the problem of the foamed insulating layer can be easily solved by laminating the first insulating layer and the second insulating layer having excellent mechanical strength while being resistant to heat on the lower and upper surfaces of the foamed insulating layer.

After the foamed insulating layer is formed, a second insulating layer is laminated. Thereafter, by forming a waterproof coating layer on the surface of the second heat insulating layer, it is possible to prevent the penetration of water in the aqueous phase.

The waterproof coating layer is a fluorine-based compound represented by the following formula (1); Surfactants; It may include a binder and a solvent:

[Formula 1]

here,

n is an integer from 1 to 100,

L ₁ and L ₂ are the same as or different from each other, and are each independently an arylene group having 6 to 30 carbon atoms, an alkylene group having 1 to 30 carbon atoms, or an alkylarylene group having 10 to 30 carbon atoms,

R ₁ and R ₂ are the same as or different from each other, and each independently hydrogen, hydrogen, deuterium, an alkyl group having 1 to 30 carbon atoms, an alkenyl group having 2 to 30 carbon atoms, an alkynyl group having 2 to 24 carbon atoms, and a heterogeneous group having 2 to 30 carbon atoms Alkyl group, C6 to C30 aralkyl group, C5 to C30 aryl group, C2 to C30 heteroaryl group, C3 to C30 heteroarylalkyl group, C3 to C20 cycloalkyl group, C3 to C20 hetero It is selected from the group consisting of a cycloalkyl group, a cycloalkenyl group having 3 to 20 carbon atoms, a heteroaralkyl group having 3 to 30 carbon atoms, and a heteroalkenyl group having 1 to 20 carbon atoms.

The fluorine-based compound represented by Formula 1 may be a compound represented by the following Formula 2 more specifically:

[Formula 2]

here,

n is an integer from 1 to 100.

Since the side chain in the polymer composition contains an alkylene group and an arylene group as a linker, a certain distance from the coating layer can be maintained, and as the distance is maintained, there is no interference between the constituent components included in the coating layer and the side chain. It can prevent the problem that the water-repellent effect is hindered.

That is, due to the -CF ₃ is coupled to one end of the alkylene group one -CF _3- and arylene group which is bonded to a, it is possible to form a fluorine coating on the outermost of the coating layer, without the interference between the fluorine coating layer occurs Since interference does not occur even with components included in the coating layer, it is possible to prevent the problem of deteriorating water repellency.

The surfactant is a betaine-based surfactant, and more specifically an alkyl betaine, amide betaine, sulfo betaine, hydroxysulfobetaine, amidosulfo betaine, phosphobetaine, and imidazolinium betaine. It may be selected from the group consisting of, but is not limited to the above example.

The binder is selected from the group consisting of an acrylic binder, a urethane binder, a silicone binder, and a mixture thereof, more specifically a silicone binder, and may be preferably selected from the group consisting of polydimethylsiloxane, polyhydrosiloxane, and mixtures thereof. , Is not limited to the above example.

The solvent may be selected from the group consisting of water, alcohol solvent, halogen-containing hydrocarbon solvent, ketone solvent, cellosolve solvent, and amide solvent, but is not limited to the above examples.

The coating composition is a polymer resin compound; Surfactants; bookbinder; And a solvent, preferably 20 to 50 parts by weight of a polymer resin compound, based on 100 parts by weight of the solvent; 10 to 20 parts by weight of a surfactant; And 30 to 50 parts by weight of a binder. In the case of the above range, a synergistic effect of critical significance is expressed as a synergistic effect due to the interaction of each extract, and when it is out of the above range, the synergistic effect is rapidly reduced or almost no synergistic effect.

The coating composition is a polymer resin compound; Surfactants; bookbinder; And after mixing the solvent, it is prepared by stirring at 100 to 150 rpm. Thereafter, it may be sprayed on the surface of the second heat insulating layer and dried to form a waterproof coating layer.

The coating composition is a polymer resin compound; Surfactants; bookbinder; Natural extracts; And a solvent, preferably 20 to 50 parts by weight of a polymer resin compound, based on 100 parts by weight of the solvent; 10 to 20 parts by weight of a surfactant; 30 to 50 parts by weight of a binder; And 5 to 10 parts by weight of a dispersant. When used by mixing within the above range, it may exhibit an excellent water repellent effect.

The waterproof insulating material is 1) preparing a fiber sheet layer; 2) forming an adhesive layer on one surface of the first heat insulating layer, and laminating and adhering the one surface on which the adhesive layer is formed on one surface of the fiber sheet layer; 3) polystyrene resin; Citric acid; Acrylic copolymer; Stearic acid; Coating a paste obtained by mixing a crosslinking agent and azodicarbonamide on one surface of the first heat insulating layer by an extrusion method, and heating to form a heat insulating foam layer; 4) laminating and adhering a second insulating layer formed on one surface of the insulating foam layer with an adhesive layer on one surface of the insulating foam layer; And 5) a fluorine-based compound represented by the following formula (1) on one surface of the second heat insulating layer; Surfactants; Applying and drying a coating composition containing a binder and a solvent to form a waterproof coating layer:

[Formula 1]

here,

n is an integer from 1 to 100,

L ₁ and L ₂ are the same as or different from each other, and are each independently an arylene group having 6 to 30 carbon atoms, an alkylene group having 1 to 30 carbon atoms, or an alkylarylene group having 10 to 30 carbon atoms,

R ₁ and R ₂ are the same as or different from each other, and each independently hydrogen, hydrogen, deuterium, an alkyl group having 1 to 30 carbon atoms, an alkenyl group having 2 to 30 carbon atoms, an alkynyl group having 2 to 24 carbon atoms, and a heterogeneous group having 2 to 30 carbon atoms Alkyl group, C6 to C30 aralkyl group, C5 to C30 aryl group, C2 to C30 heteroaryl group, C3 to C30 heteroarylalkyl group, C3 to C20 cycloalkyl group, C3 to C20 hetero It is selected from the group consisting of a cycloalkyl group, a cycloalkenyl group having 3 to 20 carbon atoms, a heteroaralkyl group having 3 to 30 carbon atoms, and a heteroalkenyl group having 1 to 20 carbon atoms.

The first heat insulating layer and the second heat insulating layer are laminated after forming an adhesive layer using a polyurethane-based (PU) adhesive composition.

The insulating foam layer is a polystyrene resin; Citric acid; Acrylic copolymer; Stearic acid; A paste in which a crosslinking agent and azodicarbonamide are mixed is extruded by an extrusion method and heated in an oven to form.

More specifically, based on 100 parts by weight of the polystyrene resin, 30 to 50 parts by weight of citric acid; 1 to 10 parts by weight of an acrylic copolymer; 5 to 10 parts by weight of stearic acid; A paste may be prepared by mixing 1 to 10 parts by weight of a crosslinking agent and 1 to 10 parts by weight of azodicarbonamide. As the paste is prepared within the above range, it is possible to produce a foamed insulating layer having excellent insulating effect.

In the wearing robot used in the water according to an embodiment of the present invention, a hollow part is formed, the first support part of a tube shape in which one end and the other end are spaced apart by a predetermined distance; A second support portion extending below the first support portion; And a third support portion extending downward from the second support portion and having a curved shape to be depressed from the rear to the front side, wherein the first support portion is raised in the water by buoyancy by the fluid flowing into the water. Both arms of the fallen person are supported by the first support part, the second support part wraps the rear of the waist part of the person who fell into the water, and the lower body of the person who has fallen into the water is in close contact with the third support part, and the first On one side of the support part, a speaker part for emitting a warning sound that can provide location information on the water by a user is formed, and the first support part; A second support; And the waterproof insulating material is adhered to one side or both sides of the third support part, thereby enhancing heat insulation and waterproofing effects.

The third support part of the wearing robot, the seat part which is perpendicular to the second support part, and supports the buttocks of a person who has fallen into the water; And a leg portion bent so as to be depressed from the rear to the front so that the inside of the leg of the person who has fallen into the water is in contact.

In addition, the center portion of the leg portion of the wearing robot according to the present invention is partially cut in a direction from the bottom to the top to form a groove.

In addition, the first support part of the wearing robot according to the present invention includes a signal part extending along the upper surface of the first support part, and the signal part comprises an LED element that blinks for a predetermined time. do.

In addition, the wearing robot according to the present invention is provided with a hollow portion, one end and the other end is spaced apart by a predetermined distance from the tube-shaped first support portion; A second support portion extending below the first support portion; A third support portion extending downward from the second support portion and having a curved shape to be depressed from the rear to the front; And a fourth support part extending in a vertical direction from the rear of the second support part, wherein a fluid flows in the first support part to be lifted from the water by buoyancy, and both arms of the person who fell into the water are the first The second support part is supported by the support part, and the second support part wraps the rear of the waist part of the person who fell into the water, and the lower body of the person who fell into the water is in close contact with the third support part, and the fourth support part holds the neck of the person who has fallen into the water. It characterized in that it comprises a cushion part wrapped in the rear.

In addition, the fourth support portion of the wearing robot according to the present invention is characterized in that it is formed in multiple stages so as to extend and contract by sliding.

In addition, the wearing robot according to the present invention is provided with a hollow portion, one end and the other end is spaced apart by a predetermined distance from the tube-shaped first support portion; A second support portion extending below the first support portion; A third support portion extending downward from the second support portion and having a curved shape to be depressed from the rear to the front; And a fifth support portion extending from the front of the second support portion to be rounded; wherein the first support portion is supported by a fluid flow in the water and is supported by the buoyancy, and both arms of the person who fell into the water are supported by the first support portion. Supported by, the second support part wraps the rear of the waist of the person who has fallen into the water, the lower body of the person who has fallen into the water is in close contact with the third support part, and the fifth support part forwards the stomach of the person who has fallen into the water. It characterized in that it comprises a belly band wrapped in.

In addition, a heating element is included in the abdomen portion of the wearing robot according to the present invention.

According to the waterproof insulation material for a wearable robot used in the water of the present invention, the waterproof effect and heat insulation effect of the wearable robot used in the water can be maximized.

In addition, it is a wearable robot used in the water with increased safety and visibility of workers or trainers who fell into the water, and water does not penetrate to workers or trainers wearing the wearable robot because the waterproof insulation material is adhered to it. It does not spill out and can prevent hypothermia due to infiltration of water.

Hereinafter, embodiments of the present invention will be described in detail so that those skilled in the art can easily implement the present invention. However, the present invention may be implemented in various different forms and is not limited to the embodiments described herein.

[Production Example: Manufacture of waterproof insulation material]

Manufacturing Example 1

After purchasing a fabric manufactured in a sheet form using a nylon/polyester split yarn, it was used as a fiber sheet layer.

In order to prepare the first heat insulating layer and the second heat insulating layer, an inorganic binder solution was prepared by mixing 25 parts by weight of an inorganic powder and 40 parts by weight of polyvinyl acetate with respect to 100 parts by weight of an ether solvent, and a glass all sheet in the inorganic binder solution It was dipped and dried at 350°C to prepare a heat insulating sheet.

After forming an adhesive layer using a polyurethane-based (PU) adhesive composition on one side of the heat insulating sheet, the first heat insulating sheet was laminated and adhered to one side of the fiber sheet layer.

A foam insulation layer was formed on one side of the first insulation layer.

More specifically, based on 100 parts by weight of the polystyrene resin, 40 parts by weight of citric acid; 5 parts by weight of an acrylic copolymer; 10 parts by weight of stearic acid; A paste was prepared by mixing 5 parts by weight of a crosslinking agent and 5 parts by weight of azodicarbonamide, which was extruded on one side of the first insulating layer by an extrusion method, and heated in an oven to form a foam insulating layer.

A second heat insulating layer was laminated and adhered to one side of the foamed insulating layer.

A coating composition was applied to one side of the second heat insulating layer and dried to form a coating layer.

The coating composition was mixed with a fluorine-based compound represented by the following formula (2), an alkyl betaine-based surfactant, a polyhydrosiloxane binder, water and a polyester-based dispersant, and stirred at a speed of 100 rpm for 10 to 30 minutes to prepare the coating composition. Was prepared. The fluorine-based compound, alkyl betaine-based surfactant, polyhydrosiloxane binder, and polyester-based dispersant were all purchased and used:

[Formula 2]

Here, n is an integer of 50 to 100.

The content of the constituent components of the coating composition is shown in Table 1 below.

KC1 KC2 KC3 KC4 KC5 KC6 water 100 100 100 100 100 100 Fluorine resin compound 10 20 30 40 50 60 Surfactants 5 10 13 16 20 30 bookbinder 20 30 35 45 50 60 Dispersant 10 10 10 10 10 10

(Unit weight part)

Manufacturing example 2

Fiber sheet layer; A first heat insulating layer; It was manufactured in the same manner as in Preparation Example 1, except that the waterproof insulating material was manufactured in the order of the waterproof coating layer.

[Experimental Example 1: Waterproofing Effect Experiment]

A waterproof coating layer was formed for the KC1 to KC6, and the water-repellent angle was measured to confirm the waterproof effect.

The water repellency measurement results are shown in Table 2 below.

Advance contact angle (°)

)Stop contact angle (

) Reverse contact angle (

) KC1 117.1±2.9 112.1±4.1 <10 KC2 132.4±1.5 131.5±2.7 141.7±3.4 KC3 138.9±3.0 138.9±2.7 139.8±3.7 KC4 136.9±2.0 135.6±2.6 141.4±3.6 KC5 137.8±2.1 136.5±2.2 140.4±3.4 KC6 116.9±0.7 115.4±3.0 <10

As shown in Table 2, after forming the coating layer using the coating composition of KC1 to KC6, the result of measuring the contact angle was confirmed.

For KC1 and KC6, the reverse contact angle was measured to be less than 10 degrees. That is, when it is out of the optimum range for preparing the coating composition, it was confirmed that a phenomenon in which water droplets are pinned occurs. On the other hand, it was confirmed that the pinning phenomenon did not occur in KC2 to 5, and thus an excellent waterproof effect could be exhibited.

[Experimental Example 2: Evaluation of the appearance of the coating layer]

1. Viscosity measurement

The viscosity was measured using a rheometer (Rheometer, Compac-100, Sun Sci. Co., Japan). The viscosity measurement results are shown in Table 3 below.

KC1 KC2 KC3 KC4 KC5 KC6 cP 612 1530 1560 1610 1720 2010

According to the viscosity measurement results, it was confirmed that the viscosity increased as the content of the fluororesin compound and the binder increased. Accordingly, sensory evaluation was separately performed to confirm the appearance effect of the surface coating layer.

Considering that it is intended to be used as a material for a wearable robot, if the outermost surface layer is not formed evenly, a problem of poor marketability may occur.

2. Appearance sensory evaluation

After preparing the coating layer, sensory evaluation was conducted as to whether a uniform surface was formed. Evaluation was conducted as to whether or not a uniform coating layer was formed, and evaluation was conducted according to the following criteria.

○: Uniform coating layer formation

△: partial uneven coating layer formation

×: formation of a non-uniform coating layer

KC1 KC2 KC3 KC4 KC5 KC6 Sensory evaluation × ○ ○ ○ ○ △

When forming the coating layer, when the viscosity is less than a certain viscosity, flow occurs on the surface, and after the curing process, it is difficult to form a uniform coating layer in many cases. Accordingly, a problem of lowering the production yield may occur. In addition, even when the viscosity is too high, it was difficult to uniformly apply the composition, and thus it was impossible to form a uniform coating layer.

In the case of KC2 to KC5, it was visually confirmed that a uniform coating layer was formed without the addition of a special process.

[Experimental Example 3: Insulation Effect Review]

In order to confirm the thermal insulation effect, the thermal conductivity was measured to confirm the thermal insulation effect.

The thermal conductivity test was measured at a measurement temperature of 40°C according to KS L 9016. As a result, in the case of the material in which the coating layer of KC4 was formed in Preparation Example 1, it was confirmed that the material exhibited a low thermal conductivity of 0.025 W/mK, and it was confirmed that it exhibited an excellent thermal insulation effect.

On the other hand, in the case of the material in which the coating layer of KC4 was formed in the same manner as in Preparation Example 2, it was confirmed that the material exhibited a high thermal conductivity of 0.210 W/mK. Compared with Preparation Example 1, it was confirmed through an experiment that a large difference appears in the insulation effect depending on whether or not the foam insulation layer and the insulation layer were added.

Although the preferred embodiments of the present invention have been described in detail above, the scope of the present invention is not limited thereto, and various modifications and improvements by those skilled in the art using the basic concept of the present invention defined in the following claims are also present. It belongs to the scope of rights of

Claims (8)

Fiber sheet layer;
A first heat insulating layer laminated on one side of the fiber sheet layer;
An insulating foam layer laminated on one surface of the first insulating layer;
A second insulating layer laminated on one surface of the insulating foam layer; And
A waterproof insulating material comprising a waterproof coating layer formed on the surface of the second insulating layer,
The waterproof insulation material blocks the input of water from outside into the material and prevents heat inside the material from leaking out,
The waterproof coating layer is a fluorine-based compound represented by the following formula (1); Surfactants; Containing a binder and a solvent
Waterproof insulation material for wearable robots used in water.
[Formula 1]

(here,
n is an integer from 1 to 100,
L ₁ and L ₂ are the same as or different from each other, and are each independently an arylene group having 6 to 30 carbon atoms, an alkylene group having 1 to 30 carbon atoms, or an alkylarylene group having 10 to 30 carbon atoms,
R ₁ and R ₂ are the same as or different from each other, and each independently hydrogen, hydrogen, deuterium, an alkyl group having 1 to 30 carbon atoms, an alkenyl group having 2 to 30 carbon atoms, an alkynyl group having 2 to 24 carbon atoms, and a heterogeneous group having 2 to 30 carbon atoms Alkyl group, C6 to C30 aralkyl group, C5 to C30 aryl group, C2 to C30 heteroaryl group, C3 to C30 heteroarylalkyl group, C3 to C20 cycloalkyl group, C3 to C20 hetero It is selected from the group consisting of a cycloalkyl group, a cycloalkenyl group having 3 to 20 carbon atoms, a heteroaralkyl group having 3 to 30 carbon atoms, and a heteroalkenyl group having 1 to 20 carbon atoms.) The method of claim 1,
The first heat insulating layer and the second heat insulating layer are glass wool immersed in an inorganic binder solution,
It is manufactured by drying glass wool immersed in an inorganic binder solution
Waterproof insulation material for wearable robots used in water. The method of claim 2,
The inorganic binder solution includes an inorganic binder selected from the group consisting of clay, illite, diatomaceous earth, fine powder zeolite, and mixtures thereof.
Waterproof insulation material for wearable robots used in water. The method of claim 2,
The inorganic binder solution is an inorganic binder;
Organic solvent; And
Including a polymer resin selected from the group consisting of polyvinyl chloride (PVC), polyvinyl acetate (PVA), polyphthalate (PET), and mixtures thereof
Waterproof insulation material for wearable robots used in water. The method of claim 1,
The insulating foam layer is selected from the group consisting of expanded polystyrene, expanded polyurethane, expanded polyethylene, and mixtures thereof.
Waterproof insulation material for wearable robots used in water. delete 1) preparing a fiber sheet layer;
2) forming an adhesive layer on one surface of the first heat insulating layer, and laminating and adhering the one surface on which the adhesive layer is formed on one surface of the fiber sheet layer;
3) polystyrene resin; Citric acid; Acrylic copolymer; Stearic acid; Coating a paste obtained by mixing a crosslinking agent and azodicarbonamide on one surface of the first heat insulating layer by an extrusion method, and heating to form a heat insulating foam layer;
4) laminating and adhering a second insulating layer formed on one surface of the insulating foam layer with an adhesive layer on one surface of the insulating foam layer; And
5) a fluorine-based compound represented by the following formula (1) on one surface of the second heat insulating layer; Surfactants; Comprising the step of forming a waterproof coating layer by applying and drying a coating composition containing a binder and a solvent
Manufacturing method of waterproof insulation material for wearable robots used in water:
[Formula 1]

here,
n is an integer from 1 to 100,
L ₁ and L ₂ are the same as or different from each other, and are each independently an arylene group having 6 to 30 carbon atoms, an alkylene group having 1 to 30 carbon atoms, or an alkylarylene group having 10 to 30 carbon atoms,
R ₁ and R ₂ are the same as or different from each other, and each independently hydrogen, hydrogen, deuterium, an alkyl group having 1 to 30 carbon atoms, an alkenyl group having 2 to 30 carbon atoms, an alkynyl group having 2 to 24 carbon atoms, and a heterogeneous group having 2 to 30 carbon atoms Alkyl group, C6 to C30 aralkyl group, C5 to C30 aryl group, C2 to C30 heteroaryl group, C3 to C30 heteroarylalkyl group, C3 to C20 cycloalkyl group, C3 to C20 hetero It is selected from the group consisting of a cycloalkyl group, a cycloalkenyl group having 3 to 20 carbon atoms, a heteroaralkyl group having 3 to 30 carbon atoms, and a heteroalkenyl group having 1 to 20 carbon atoms. A first support having a tube shape having a hollow portion formed therein, wherein one end and the other end are spaced apart at a predetermined interval;
A second support portion extending below the first support portion; And
A third support portion extending downwardly from the second support portion and having a curved shape to be depressed from the rear to the front; and
The first support part is floated in the aqueous phase by the inflow of fluid and buoyancy,
Both arms of the person in the water are supported by the first support,
The second support part wraps the back of the waist of the person who fell into the water,
The lower body of the person who fell into the water is in close contact with the third support,
A speaker unit capable of emitting a warning sound capable of providing position information on the water by a user is formed on one side of the first support unit,
The first support; A second support; And the third support is one or both sides of the base portion is adhered to the waterproof insulating material according to claim 1.
Wearable robots used in water.