JPH10317531A - Heat insulating layer forming sheet and is work execution method - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a heat insulating layer forming sheet and its work execution method capable of easily and efficiently performing heat insulating layer forming work by preventing urethane foam resin from being spattered and suspended. SOLUTION: A heat insulating layer foaming sheet 11 comprises a plural number of tube parts 12 in which a polyol base liquid concentrate 13 and a polyisocyanate base liquid concentrate 14 which are heated by mixing with each other and form urethane foam resin are filled alternately to each other and which are dissolved by the external factors. Also the heat insulating layer forming sheet 11 is stuck on a specified work execution surface 15, and a part of the heat insulating layer forming sheet 11 is broken so as to mix the polyol base liquid concentrate 13 with the polyisocyanate base liquid concentrate 14 for heating. By the heating, the tube parts 12 are dissolved successively so as to mix the polyol base liquid concentrate 13 with the polyisocyanate base liquid concentrate 14 in order. Thus the heat insulating layer 15a of the urethane foam resin is formed on a working surface 15.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a heat-insulating layer forming sheet for forming a heat-insulating layer made of urethane foam resin on a construction surface such as a wall surface, a roof or a floor of a building, and a method of constructing the sheet. It is.

[0002]

2. Description of the Related Art Conventionally, when a heat insulating layer is formed on a wall surface of a building, a condominium, a low-temperature warehouse, or the like, as shown in FIG. To form a heat insulating layer 4.

[0003]

In the prior art urethane foam spraying operation, the urethane foam resin scatters and adheres to positions other than the construction surface. Curing work such as covering is required, and there is a problem that it is troublesome and workability is poor.

[0004] Further, after the spraying operation is completed, the vinyl sheet used for curing must be discarded, and there is a problem that industrial waste increases.

[0005] Further, the opening of the building where the spraying operation is performed is closed with a curing material such as a vinyl sheet in order to prevent the urethane foam resin from scattering, so that the entrance of other contractors into the building is restricted. You. Therefore, there is also a disadvantage that the adjustment of the working process with another contractor is troublesome and the working efficiency is poor.

[0006] During the work, the urethane foam resin floats, so it is necessary to provide ventilation equipment, and further, it is necessary for the worker to wear a mask, protective equipment, and the like, resulting in heavy equipment. There was also a disadvantage that workability deteriorated.

[0007] Furthermore, the work place requires various equipment such as a spraying machine such as a compressor and a spray gun, and has a drawback that the management of these equipment is troublesome and troublesome.

Therefore, in the conventional urethane foam spraying operation, there is a problem that the urethane foam resin must be prevented from scattering and floating, and must be solved simply and efficiently.

[0009]

SUMMARY OF THE INVENTION As a specific means for solving the problems of the prior art, the present invention provides a sheet for forming a heat insulating layer for forming a heat insulating layer of urethane foam resin by sticking to a construction surface of a building. The heat insulating layer forming sheet is formed of a plurality of tubular portions that are adjacent to each other and melted by an external factor, and generate heat by mixing and generate a urethane foam resin by mixing. An object of the present invention is to provide a sheet for forming a heat insulating layer, characterized by alternately enclosing a polyol stock solution and a polyisocyanate stock solution to be formed.

[0010] The heat-insulating layer-forming sheet is formed of a water-soluble gelatin monolayer or a water-soluble polymer.

A heat-insulating layer-forming sheet for forming a heat-insulating layer of a urethane foam resin by being attached to a construction surface of a building, wherein the heat-insulating layer-forming sheet is in an adjacent state and has an external factor. Is formed from a plurality of tubular portions that are melted by heat, and the tubular portion encapsulates a polyol-based stock solution or a polyisocyanate-based stock solution and encapsulates heat-destructible microcapsules. It is intended to provide a heat-insulating layer-forming sheet, wherein a base stock solution or a polyisocyanate stock solution is enclosed.

[0012] Further, a heat-insulating layer comprising a plurality of tube-shaped portions in which a polyol-based stock solution and a polyisocyanate-based stock solution that generate heat by mixing to form a foamed urethane resin are alternately enclosed and melted by external factors. A sheet is stuck on a predetermined construction surface, a part of the heat insulating layer forming sheet is broken or melted, and the polyol-based stock solution and the polyisocyanate-based stock solution are mixed to generate heat. Providing a method for forming a heat-insulating layer-forming sheet, characterized in that a heat-insulating layer of urethane foam resin is formed on a working surface by sequentially melting a polyol-based stock solution and a polyisocyanate-based stock solution by melting them sequentially. It is.

[0013] The heat insulating layer forming sheet is formed of a water-soluble gelatin monolayer or a water-soluble polymer.

Further, it is formed of a plurality of tubular portions which are adjacent to each other and are melted by an external factor. The tubular portions are filled with a polyol stock solution or a polyisocyanate stock solution and have a heat-destructible microstructure. A capsule is encapsulated, a heat insulating layer forming sheet enclosing a polyol stock solution or a polyisocyanate stock solution is attached to a predetermined construction surface, and a part of the heat insulating layer forming sheet is attached to the microcapsule. By heating and breaking the microcapsules, the polyol stock solution and the polyisocyanate stock solution are mixed to generate heat, and the heat generation causes the microcapsules to melt in a chain to form a polyol stock solution and a polyisocyanate stock solution. It is characterized by forming a heat insulating layer of urethane foam resin on the construction surface by mixing them sequentially. That there is provided a method of constructing the heat insulating layer forming sheet.

[0015]

Next, an embodiment of the present invention will be described with reference to the drawings. First, FIGS. 1 and 2
In the first embodiment, reference numeral 11 denotes a heat-insulating layer forming sheet, and the heat-insulating layer forming sheet 11 is formed from a heat-fusible synthetic resin material such as vinyl.

The heat-insulating-layer forming sheet 11 is formed of a large number of tubular portions 12 arranged side by side in a state adjacent to each other. The tubular portions 12 are divided into a plurality of portions, and are formed in a lattice shape as a whole. ing.

In the tubular portion 12, a polyol-based stock solution 13 and a polyisocyanate-based stock solution 14, which generate heat when mixed to form a urethane foam resin, are sealed alternately and adjacently.

Next, a method of forming a heat insulating layer of urethane foam resin on a working surface using the heat insulating layer forming sheet 11 will be described. First, as shown in FIG. 3, the heat insulating layer forming sheet 11 is temporarily fixed to the construction surface 15 with an adhesive 16.

Then, as shown in FIG. 4, a part of the heat-insulating layer forming sheet 11 is broken by using a tool such as a roller 17 with a needle, so that the polyol stock solution 13 and the polyisocyanate stock solution 14 are separated. To generate heat.

Then, the tubular portion 12 is heated by the heat.
Are melted in a chain, and the polyol-based stock solution 13 and the polyisocyanate-based stock solution 14 are sequentially mixed to form a urethane foam resin (see FIG. 5), and a heat insulating layer 15a is formed on the construction surface 15 (see FIG. 5). 6).

Next, a description will be given of a second embodiment of the sheet for forming a heat insulating layer and a method of applying the sheet. The heat insulating layer forming sheet 18 of the second embodiment is formed of a large number of tubular portions arranged side by side in an adjacent state, and this tubular portion is divided into a plurality of portions, and is formed in a lattice shape as a whole. I have. Also,
In this tubular portion, a polyol-based stock solution and a polyisocyanate-based stock solution are sealed alternately and adjacently.

The heat insulating layer forming sheet 18 is formed entirely of a water-soluble gelatin single film or a water-soluble polymer, and has a back surface coated with a water-soluble adhesive.

When a heat insulating layer of urethane foam resin is formed on a construction surface using the heat insulating layer forming sheet 18, the back surface 18a of the heat insulating layer forming sheet 18 is formed as shown in FIG.
Construction surface 1 while spraying water 20 using sprayer 19 etc.
Affix to 5.

The heat-insulating layer-forming sheet 18 made of a water-soluble gelatin monolayer or a water-soluble polymer is made of water 2
0, the polyol-based stock solution and the polyisocyanate-based stock solution are sequentially mixed to generate heat, and further melt in a chain to form a heat-insulating layer of urethane foam resin on the construction surface 15.

The heat-insulating layer forming sheet 18 is
It is a matter of course that water may be sprayed on the entire sheet after temporarily fixing the sheet 5 with an adhesive.

Next, a description will be given of a third embodiment of the sheet for forming a heat insulating layer and a method of applying the sheet. As shown in FIG. 8, the heat insulating layer forming sheet 21 of the third embodiment is formed of a large number of tubular portions 22 arranged side by side, and this tubular portion 22 is divided into a plurality of sections. The whole is formed in a lattice shape. Further, in the tubular portion 22, a polyol stock solution 13 or a polyisocyanate stock solution 14 is sealed.

Further, a heat-destructible microcapsule 23 is sealed in the tubular portion 22, and inside the microcapsule 23, the polyisocyanate stock solution 1 is filled.
4 or a polyol-based stock solution 13 is enclosed.

The microcapsules 23 are obtained by enclosing isobutane, pentane, petroleum ether, hexane, low boiling halogenated hydrocarbons and the like with a thermoplastic resin such as vinylidene chloride, acrylonitrile, acrylate and the like.
It has a property of expanding and breaking when heated to a predetermined temperature, specifically, for example, "Matsumoto Microsphere F (trade name)" (manufactured by Matsumoto Yushi Seiyaku Co., Ltd.) May be used.

When a heat-insulating layer of urethane foam resin is formed on a construction surface using the heat-insulating layer forming sheet 21, the heat-insulating layer forming sheet 21 is temporarily fixed to the construction surface with an adhesive or the like, and then is fixed to a predetermined surface. A part of the heat insulating layer forming sheet 21 is heated by using the heating device or the microwave to break the microcapsules 23.

Then, the undiluted polyol-based solution 13 and the undiluted polyisocyanate-based solution 14 are mixed to generate heat, and the heat generated causes the microcapsules 23 to be melted in a chain so that the undiluted polyol-based solution 13 and the undiluted polyisocyanate-based solution are sequentially mixed. This forms a urethane foam resin and forms a heat insulating layer on the construction surface.

If a heat insulating layer is formed on the construction surface by the above-mentioned method, the scattering and floating of the urethane foam resin can be prevented, and the operation can be performed simply and efficiently.

[0032]

As described above, the sheet for forming a heat insulating layer according to the present invention is a sheet for forming a heat insulating layer for forming a heat insulating layer of urethane foam resin by sticking to a construction surface of a building, The heat-insulating layer forming sheet is formed of a plurality of tubular portions which are adjacent to each other and are melted by an external factor, and the tubular portion has a polyol type which generates heat by mixing to form a urethane foam resin. By alternately enclosing the undiluted solution and the polyisocyanate-based undiluted solution, the heat-insulating layer-forming sheet is affixed to a predetermined construction surface, and a part of the heat-insulating layer-forming sheet is broken to form the polyol-based undiluted solution and the polyisocyanate-based undiluted solution. Mix with the undiluted solution to generate heat,
The heat generation causes the tubular portion to melt in a chain so that the polyol-based stock solution and the polyisocyanate-based stock solution are sequentially mixed, whereby a heat insulating layer of urethane foam resin can be formed on the construction surface. Therefore, it is possible to prevent the urethane foam resin from scattering and floating, and to provide an excellent effect that the work can be easily and efficiently performed.

Since the heat-insulating layer-forming sheet is formed of a water-soluble gelatin single film or a water-soluble polymer, the heat-insulating layer-forming sheet is adhered to a predetermined construction surface and sprayed with water or the like. For example, the tubular portion is melted in a chain, and the polyol stock solution and the polyisocyanate stock solution are sequentially mixed to form a heat insulating layer of a urethane foam resin on the construction surface. Therefore, it is possible to prevent the urethane foam resin from scattering and floating, and to provide an excellent effect that the work can be easily and efficiently performed.

The heat-insulating layer-forming sheet according to the present invention is a heat-insulating layer-forming sheet for forming a heat-insulating layer of urethane foam resin by sticking to a construction surface of a building. The sheet is formed of a plurality of tubular portions which are adjacent to each other and which are melted by an external factor. In the tubular portions, a polyol-based stock solution or a polyisocyanate-based stock solution is sealed, and heat-destructible microcapsules are sealed. The microcapsules are filled with a polyol stock solution or a polyisocyanate stock solution, whereby a heat insulating layer forming sheet is attached to a predetermined construction surface, and a part of the heat insulating layer forming sheet is formed. By heating and breaking the microcapsules, the polyol-based stock solution and the polyisocyanate-based stock solution are mixed to generate heat. The Rokapuseru by sequentially mixing the chain to and melted polyol stock solution and polyisocyanate stock, it is possible to form a heat insulating layer of foamed urethane resin construction surface. Therefore, there is an excellent effect that the work can be easily performed using a heating device or the like, and the scattering and floating of the urethane foam resin can be prevented.

Further, in the method for applying a heat insulating layer forming sheet according to the present invention, the polyol stock solution and the polyisocyanate stock solution which generate heat by mixing to form a urethane foam resin are alternately sealed and have external factors. A heat insulating layer forming sheet composed of a plurality of tubular portions that are melted by affixing to a predetermined construction surface, a part of the heat insulating layer forming sheet is broken or melted, and the polyol stock solution and the polyisocyanate stock solution are mixed. By mixing and generating heat, the heat is used to melt the tube-shaped part in a chain and sequentially mix the polyol stock solution and the polyisocyanate stock solution,
By forming the heat insulating layer of the urethane foam resin on the construction surface, it is possible to prevent the urethane foam resin from scattering and floating, and to provide an excellent effect that the work can be performed easily and efficiently.

Further, the method for applying the heat insulating layer forming sheet according to the present invention is formed from a plurality of tubular portions which are adjacent to each other and which are melted by an external factor, and the tubular portion is provided with a polyol stock solution or A heat-destructible microcapsule is encapsulated while enclosing the polyisocyanate-based undiluted solution, and a heat-insulating layer-forming sheet enclosing the polyol-based undiluted solution or the polyisocyanate-based undiluted solution is provided on a predetermined construction surface. By applying a part of the heat-insulating layer forming sheet and breaking the microcapsules, the polyol-based stock solution and the polyisocyanate-based stock solution are mixed to generate heat. By melting and mixing the polyol stock solution and the polyisocyanate stock solution sequentially, the foam By forming an insulating layer Tan resin, it can work easily using a heating device or the like, and exhibits an excellent effect that it is possible to prevent the urethane foam resin scattering, stray.

[Brief description of the drawings]

FIG. 1 is a perspective view of a heat insulating layer forming sheet according to a first embodiment of the present invention.

FIG. 2 is an enlarged cross-sectional view showing a part of the heat insulating layer forming sheet of the first embodiment according to the present invention.

FIG. 3 is an explanatory view showing a state where the heat insulating layer forming sheet of the first embodiment is temporarily fixed to a construction surface.

FIG. 4 is an explanatory view showing a state in which the heat insulating layer forming sheet of the first embodiment is broken.

FIG. 5 is a cross-sectional view of a construction surface in which a state in which a sheet for forming a heat insulating layer is melted in a chain is theoretically enlarged.

FIG. 6 is a cross-sectional view illustrating a state where a heat insulating layer is formed on a construction surface.

FIG. 7 is an explanatory view showing a state in which the heat insulating layer forming sheet of the second embodiment is attached to a construction surface.

FIG. 8 is a cross-sectional view showing a part of a sheet for forming a heat insulating layer according to a third embodiment of the present invention, which is theoretically enlarged.

FIG. 9 is an explanatory view showing a spraying operation of a urethane foam resin according to a conventional example.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Construction surface 2 Spray gun 3 Urethane foam resin 4 Heat insulation layer 11 Heat insulation layer forming sheet 12 Tubular part 13 Polyol stock solution 14 Polyisocyanate stock solution 15 Construction surface 15a Heat insulation layer 16 Adhesive 17 Needle roller 18 For heat insulation layer Sheet 18a back surface 19 sprayer 20 water 21 sheet for forming heat insulating layer 22 tubular part 23 microcapsule

 ──────────────────────────────────────────────────の Continued on the front page (72) Inventor Mitsuru Yoshino 1-1-11-15 Kitayuki, Nishi-ku, Yokohama-shi, Kanagawa Prefecture Toda Construction Co., Ltd. Yokohama Branch

Claims (6)

[Claims] 1. A heat-insulating layer-forming sheet to be attached to a construction surface of a building to form a heat-insulating layer of urethane foam resin, wherein the heat-insulating layer-forming sheet is in an adjacent state and has an external factor. It is formed from a plurality of tubular parts that are melted by the method, characterized in that a polyol-based stock solution and a polyisocyanate-based stock solution that generate heat by mixing to form a foamed urethane resin are alternately sealed in the tube-shaped portion. Heat insulating layer forming sheet. 2. The heat insulating layer forming sheet according to claim 1, wherein the heat insulating layer forming sheet is formed of a water-soluble gelatin single film or a water-soluble polymer. 3. A heat-insulating layer-forming sheet for forming a heat-insulating layer of urethane foam resin by being attached to a construction surface of a building, wherein the heat-insulating layer-forming sheet is in an adjacent state and has an external factor. Is formed from a plurality of tubular portions that are melted by heat, and the tubular portion encapsulates a polyol-based stock solution or a polyisocyanate-based stock solution and encapsulates heat-destructible microcapsules. A sheet for forming a heat insulating layer, wherein a base stock solution or a polyisocyanate stock solution is enclosed. 4. A heat-insulating layer comprising a plurality of tubular portions in which a polyol-based stock solution and a polyisocyanate-based stock solution that generate heat by mixing to form a foamed urethane resin are alternately sealed and melted by external factors. A sheet is stuck on a predetermined construction surface, a part of the heat insulating layer forming sheet is broken or melted, and the polyol-based stock solution and the polyisocyanate-based stock solution are mixed to generate heat. A method for forming a heat-insulating layer-forming sheet, comprising forming a heat-insulating layer of urethane foam resin on a working surface by sequentially melting a polyol-based stock solution and a polyisocyanate-based stock solution. 5. The method according to claim 4, wherein the heat-insulating layer-forming sheet is formed of a single water-soluble gelatin film or a water-soluble polymer. 6. Microcapsules formed of a plurality of tubular portions which are adjacent to each other and which are melted by an external factor, wherein the tubular portions are filled with a polyol stock solution or a polyisocyanate stock solution and are heat-destructible. A heat insulating layer forming sheet enclosing a polyol stock solution or a polyisocyanate stock solution is attached to a predetermined construction surface in the microcapsule, and a part of the heat insulating layer forming sheet is heated. By breaking the microcapsules, the polyol-based stock solution and the polyisocyanate-based stock solution are mixed to generate heat, and the heat generation causes the microcapsules to melt in a chain so that the polyol-based stock solution and the polyisocyanate-based stock solution are sequentially. A heat insulating layer characterized by forming a heat insulating layer of urethane foam resin on a construction surface by mixing. Construction method of forming sheet.