JP2015098773A - Fire-preventive construction of resin sash - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a fire-preventive construction of a resin sash, which is easily handleable and excellent in fireproofness.SOLUTION: A fire-preventive construction 100 of a resin sash includes a resin frame material 11 that has a hollow part 11a in a longitudinal direction, and a plate material 20 with fire resistance. A thermally-expandable fire-resistive material 15 is injected into the hollow part 11a of the resin frame material 11. The resin frame material 11 has a plate material supporting part 30 for supporting a surface of the plate material 20 with fire resistance. A fixing member 50 passes through a support member 40, and fixes the support member 40 and the resin frame material 11 by being coupled to a noncombustible reinforcement material 80 inserted into the hollow part 11a of the resin frame material 11.

Description

  The present invention relates to a fireproof structure for a resin sash.

Conventionally, a sash has been used as a building member installed in an opening or the like of a structure such as a house.
When a fire occurs inside or outside a structure such as a house, it is necessary to prevent the fire from spreading. Increasing the fire resistance of the sash is an important issue so that a fire flame or the like does not spread through the sash.
In connection with this problem, a technique for improving the fire resistance of a sash has been proposed.
Specifically, for a sash provided with a frame material made of synthetic resin and a fire-resistant plate material, a plurality of hollow portions are provided in the longitudinal direction of the frame material used for the sash, and in this hollow portion There has been proposed a fireproof structure of a resin sash in which a metal member having a substantially U-shaped or square pipe shape is inserted, and a plate-like thermally expandable refractory material is bonded to the metal member (Patent Document) 1).
With this resin sash fireproof structure, even if the resin sash fireproof structure is exposed to the heat of a fire or the like since the metal member is inserted into the frame material, A plate material having fire resistance such as glass contained in the structure can be supported. Further, since the thermally expandable refractory material inserted into the frame material expands due to heat such as a fire to form a thermal expansion residue, a gap between the fire resistant plate material such as glass and the wall or the like It is said that it is excellent in fire resistance from being blocked.
However, in the case of the conventional fireproof structure of the resin sash, there is a problem that the productivity of the resin sash per unit time is inferior because the metal member must be installed inside the frame member.

On the other hand, a fireproof structure of a resin sash that does not use the metal member has been proposed (Patent Document 2).
Specifically, for a sash provided with a frame material made of synthetic resin and a fire-resistant plate material, a plurality of hollow portions are provided in the longitudinal direction of the frame material used for the sash, and flow into the hollow portion. A fireproof structure of a resin sash that is solidified by injecting a heat-expandable refractory material has been proposed.
This resin sash fireproof structure is excellent in resin sash productivity because no metal member is used, and the resin sash is lightweight and easy to handle, as seen in the previous fireproof structure of a conventional resin sash. No problem arises.

JP 2004-156625 A JP 2012-202087 A

However, when the present inventors examined, in the case of the fireproof structure of the resin sash obtained by injecting and solidifying a flowable thermally expandable refractory material into the hollow portion of the frame made of synthetic resin, It has been discovered that when a fireproof structure of a resin sash is exposed to heat such as a fire, the fire-resistant plate material may be warped by the heat of the fire or the like.
When warpage occurs in the fire-resistant plate material, a gap is generated between the fire-resistant plate material and the resin frame material, and flames such as fire and smoke pass through the fire-proof structure of the resin sash from the gap. There was a problem to do.
An object of the present invention is to provide a fireproof structure of a resin sash that is easy to handle and excellent in fireproofing properties.

As a result of intensive studies by the present inventors to solve the above problems, a non-combustible reinforcing material is inserted into the hollow portion of the resin frame member having a hollow portion in the longitudinal direction and a thermally expandable refractory material is injected,
A plate material having fire resistance is installed in the opening formed by the resin frame member having the hollow part,
The non-combustible reinforcing material has a portion that is substantially perpendicular to a side surface of the fire-resistant plate material and a portion that is substantially parallel to the side surface of the fire-resistant plate material,
Between the portion that is substantially perpendicular to the side surface of the fire-resistant plate material included in the non-combustible reinforcing material, and the outermost surface that faces the substantially perpendicular portion of the resin frame member having the hollow portion. The present inventors have found that a fireproof structure of a resin sash into which a heat-expandable refractory material is injected meets the object of the present invention, and has completed the present invention.

That is, the present invention
[1] a resin frame member having a hollow portion in the longitudinal direction;
A thermally expandable refractory material injected into the hollow portion of the resin frame material;
A non-combustible reinforcing material inserted into the hollow portion of the resin frame material;
A plate material having fire resistance installed in an opening formed by the resin frame material;
A support member for supporting the fire-resistant plate,
A fixing member for fixing the support member and the incombustible reinforcing material;
A resin sash fireproof structure having
The non-combustible reinforcing material has a portion that is substantially perpendicular to a side surface of the fire-resistant plate material and a portion that is substantially parallel to the side surface of the fire-resistant plate material,
A portion that is substantially parallel to a side surface of the fire-resistant plate material included in the non-combustible reinforcing material, and the support member are fixed by the fixing member,
Between the portion that is substantially perpendicular to the side surface of the fire-resistant plate material included in the non-combustible reinforcing material, and the outermost surface that faces the substantially perpendicular portion of the resin frame member having the hollow portion. The present invention provides a fireproof structure for a resin sash, in which a thermally expandable fireproof material is injected.

One of the present invention is
[2] The shape of a substantially vertical cross section with respect to the longitudinal direction of the incombustible reinforcing material is at least one selected from the group consisting of a T shape, an L shape, an H shape, and a shape obtained by removing a part from a polygonal cylinder. The fireproof structure of the resin sash as described in [1] above is provided.

One of the present invention is
[3] A heat-expandable refractory material is injected into the hollow portion of the resin frame material, and a fire-proof surface is formed along with a surface parallel to the surface of the plate having fire resistance together with the plate having fire resistance without a gap. The resin sash fire prevention structure according to [1] or [2] is provided.

One of the present invention is
[4] The non-combustible reinforcing material is inserted into a hollow portion of a lower arm of the resin frame material,
[1] to [3], wherein the non-combustible reinforcing material is inserted into at least one selected from the group consisting of a hollow portion of the vertical frame of the resin frame member and a hollow portion of the upper frame of the resin frame member. The fireproof structure of the resin sash as described in any of the above is provided.

One of the present invention is
[5] The fireproof structure for a resin sash according to any one of the above [1] to [4], wherein the incombustible reinforcing material is made of at least one of a metal material and an inorganic material.

One of the present invention is
[6] The thermal expansion ratio of the thermally expandable refractory material is any one of the above [1] to [5], which is in a range of more than 1 to 5 times under a heating condition of 600 ° C. × 30 minutes. The fireproof structure of the resin sash as described is provided.

One of the present invention is
[7] The resin sash fire prevention structure according to any one of the above [1] to [6], wherein the support member is made of at least one of a metal member and an inorganic member having a U-shaped cross section. .

One of the present invention is
[8] The viscosity at 25 ° C of the thermally expandable refractory material before the thermally expandable refractory material is injected into the hollow portion of the resin frame material is in a range of 1000 to 100,000 mPa · s,
After the said thermally expansible refractory material is inject | poured into the hollow part of the said resin frame material, it loses fluidity | liquidity in the hollow part of the said resin frame material at 25 degreeC, In any one of said [1]-[7]. The resin sash fire prevention structure is provided.

One of the present invention is
[9] The resin sash fireproof structure according to any one of the above [1] to [8], wherein the thermally expandable refractory material includes at least a reaction curable resin component, a thermally expandable component, and an inorganic filler. Is.

One of the present invention is
[10] The reaction curable resin component contained in the thermally expandable refractory material is urethane resin foam, isocyanurate resin foam, epoxy resin foam, phenol resin foam, urea resin foam, unsaturated polyester resin foam, alkyd resin foam, The fireproof structure for a resin sash according to any one of the above [1] to [9], which is at least one selected from the group consisting of a melamine resin foam, a diallyl phthalate resin foam, and a silicone resin foam.

One of the present invention is
[11] The resin sash fire prevention structure according to any one of [1] to [10], wherein the fixing member penetrates the support member.

One of the present invention is
[12] A fixing member passes through the support member and the resin frame material, and fixes a surface of the support member facing the side surface of the fire-resistant plate and an outer peripheral surface of the resin frame material. The fireproof structure for a resin sash according to any one of [1] to [11] above is provided.

One of the present invention is
[13] The above-mentioned [1] to [12], wherein the resin sash is at least one selected from the group consisting of a fixed resin sash, a sliding resin sash, an opening resin sash, a longitudinal sliding resin sash, and a side sliding resin sash. A fireproof structure for a resin sash according to any one of the above is provided.

The fireproof structure of the resin sash according to the present invention uses a resin frame material in which a thermally expandable refractory material is injected into the hollow portion, and is thus easy to produce and easy to handle.
Further, a non-combustible reinforcing material is inserted into a hollow portion in the longitudinal direction of the resin frame material, and a fixing member is connected to the non-combustible reinforcing material through the support member to fix the support member and the resin frame material. doing.
In the case of the present invention, since the non-combustible reinforcing material has a portion that is substantially parallel to the side surface of the plate material having fire resistance, the fixing member can be easily attached to the substantially parallel portion. Can do.
For this reason, even when the fireproof structure of the resin sash according to the present invention is exposed to a flame such as a fire, it is possible to prevent a gap from being generated between the resin frame material and the plate material having fire resistance. The fireproof structure of the resin sash according to the invention is excellent in fireproofing.

Moreover, the fireproof structure of the resin sash according to the present invention includes a portion that is substantially perpendicular to a side surface of the fire-resistant plate material included in the non-combustible reinforcing material, and the substantially vertical portion of the resin frame member having the hollow portion. A thermally expansive refractory material is injected between the portion and the outermost surface facing each other.
Therefore, a thermally expandable refractory material is injected between the inner surface of the resin frame material and the substantially vertical portion of the incombustible reinforcing material, and due to the presence of the incombustible reinforcing material, the resin frame material It can prevent that fireproofness falls.

Further, the fireproof structure of the resin sash according to the present invention has the fire resistance along a plane parallel to the surface of the plate having fire resistance, by injecting a thermally expandable fireproof material into the hollow portion of the resin frame material. A fireproof surface is formed with no gaps with the plate material.
For this reason, even if a fire has occurred on one surface of the resin sash, a fire has occurred because the fire flame can be stopped along a surface parallel to the surface of the plate having the fire resistance of the resin sash. Even in the case of fire, the damage of fire spread can be reduced.

In the fireproof structure of the resin sash according to the present invention, the noncombustible reinforcing material is inserted into a hollow portion of the lower arm of the resin frame material.
For this reason, even when the weight of the resin sash is increased, it is possible to prevent the lower frame of the resin frame material from being deformed during a fire and generating a gap.
Further, since the non-combustible reinforcing material is inserted into at least one selected from the group consisting of a hollow portion of the vertical frame of the resin frame material and a hollow portion of the upper frame of the resin frame material, It is possible to prevent the vertical gutter and upper gutter from being deformed during a fire.

  Further, when the thermal expansion ratio of the heat-expandable refractory material is in the range of greater than 1 and less than 5 times under heating conditions of 600 ° C. × 30 minutes, the fireproof structure of the resin sash according to the present invention is a fire or the like. Even when exposed to the flame, a thermal expansion residue is formed by the thermally expandable refractory material having relatively high strength in the place where the resin frame material is present. Since the formed thermal expansion residue has a relatively high strength, it is possible to prevent the thermal expansion residue from peeling off from the fireproof structure of the resin sash. In addition, since the plate having fire resistance can be supported by the thermal expansion residue, it is possible to prevent a gap from being generated between the resin frame member and the plate having fire resistance. For this reason, the fireproof structure of the resin sash according to the present invention is excellent in fireproofing.

  Further, by using at least one of a metal member and an inorganic member having a U-shaped cross section as the support member, the support member has the fire resistance even when the fireproof structure of the resin sash is exposed to a flame such as a fire. A board | plate material can be hold | maintained. For this reason, the fireproof structure of the resin sash according to the present invention is excellent in fireproofing.

  Moreover, the viscosity at 25 ° C. of the thermally expandable refractory material before being injected into the hollow portion of the resin frame member is in a range of 1000 to 100,000 mPa · s, and after being injected into the hollow portion of the resin frame member The resin sash fire prevention structure according to the present invention can be obtained by injecting the thermally expandable refractory material into the hollow part of the resin frame member that loses fluidity at the hollow part of the resin frame member at 25 ° C. The fireproof structure of the resin sash according to the present invention is easy to handle.

FIG. 1 is a schematic front view for illustrating a first embodiment of a fireproof structure for a resin sash according to the present invention. FIG. 2 is a cross-sectional view of an essential part taken along line AA of FIG. 1 before injecting the thermally expandable refractory material. FIG. 3 is an enlarged cross-sectional view of a main part along the line AA in FIG. 1 after injecting a thermally expandable refractory material. FIG. 4 is a schematic cross-sectional view for explaining the structure of the incombustible reinforcing material used in the first embodiment. FIG. 5 is a schematic cross-sectional view illustrating a modification of the non-combustible reinforcing material that can be used in the present invention. FIG. 6 is a schematic cross-sectional view of an essential part for explaining the relationship between a non-combustible reinforcing material and a thermally expandable refractory material. FIG. 7 is a schematic front view for illustrating a second embodiment of the fireproof structure of the resin sash according to the present invention. FIG. 8 is a cross-sectional view of a principal part taken along line AA of FIG. 1 before injecting the thermally expandable refractory material. FIG. 9 is an enlarged cross-sectional view of a main part along the line AA in FIG. 1 after injecting a thermally expandable refractory material. FIG. 10 is a schematic cross-sectional view of an essential part for explaining the relationship between a non-combustible reinforcing material and a thermally expandable refractory material. FIG. 11 is a schematic front view for illustrating a third embodiment of the fireproof structure of the resin sash according to the present invention. FIG. 12 is a schematic diagram for explaining the operating state of the resin sash used in the third embodiment. FIG. 13 is an enlarged cross-sectional view of a main part along the line AA in FIG. 1 after injecting a thermally expandable refractory material. FIG. 14 is a schematic front view for illustrating a fourth embodiment of the fireproof structure of the resin sash according to the present invention. FIG. 15 is a cross-sectional view of a principal part taken along line AA of FIG. 13 before injecting the thermally expandable refractory material. FIG. 16 is an enlarged cross-sectional view of a main part taken along the line AA of FIG. 1 after injecting a thermally expandable refractory material. FIG. 17 is a schematic cross-sectional view of a principal part of a fireproof structure for a resin sash according to a sixth embodiment. FIG. 18 is a schematic front view for explaining the structure of the fireproof structure of the resin sash according to the first embodiment. FIG. 19 is an enlarged cross-sectional view of a main part taken along line AA of FIG. 18 of the fireproof structure of the resin sash according to the first embodiment. FIG. 20 is a schematic front view for explaining the structure of the fireproof structure of the resin sash according to the second embodiment. FIG. 21 is an enlarged cross-sectional view of a principal part taken along line AA of FIG. 20 of the fireproof structure of the resin sash according to the second embodiment. FIG. 22 is a schematic front view for explaining the structure of the fireproof structure of the resin sash according to the third embodiment of the present invention. FIG. 23 is an enlarged cross-sectional view of a principal part taken along line AA in FIG. 22 of the fireproof structure of the resin sash according to the third embodiment. FIG. 24 is a schematic front view for explaining the structure of the fireproof structure of the resin sash according to the fourth embodiment of the present invention. FIG. 25 is an enlarged cross-sectional view of a main part taken along line AA in FIG. 24 of the fireproof structure of the resin sash according to the fourth embodiment. FIG. 26 is an enlarged cross-sectional view of a main part of the fire protection structure for a resin sash according to the fifth embodiment. FIG. 27 is an enlarged cross-sectional view of a main part of a fireproof structure for a resin sash according to Comparative Example 1. FIG. 28 is an enlarged cross-sectional view of a main part of a fireproof structure for a resin sash according to Comparative Example 2.

The present invention relates to a fireproof structure for a resin sash. First, the resin sash used in the present invention will be described.
As the resin sash used in the present invention, for example, a structure such as a detached house, an apartment house, a high-rise house, a high-rise building, a commercial facility, a public facility, a ship such as a passenger ship, a transport ship, a ferry Hereinafter, it is referred to as “a structure such as a house”).
As an example, there may be mentioned those used for open / close windows such as sliding resin sashes, opening resin sashes, longitudinal sliding resin sashes or side sliding resin sashes, fixed windows such as fixed resin sashes, etc. It is not limited to.

  The resin sash used in the present invention is obtained by injecting a heat-expandable refractory material into a hollow portion of a resin frame material. A first embodiment according to the present invention will be described with reference to the drawings. .

  FIG. 1 is a schematic front view for illustrating a first embodiment of a fireproof structure for a resin sash according to the present invention. 2 is a cross-sectional view of the main part taken along the line AA of FIG. 1 before injecting the thermally expandable refractory material, and FIG. 3 is a cross sectional view of FIG. It is a principal part expanded sectional view along a line.

1 to 3, the resin sash used in the first embodiment is fixed to a rectangular opening formed in the structure 1 such as a house, and includes a resin frame member 10 as a frame, and its The board | plate material 20 which has fire resistance inside is provided.
A resin sash fireproof structure 100 according to the first embodiment is obtained by injecting a heat-expandable refractory material into a hollow portion inside the resin frame member 10 or the like.

The resin frame member 10 includes left and right vertical frames 11 and 12 and upper and lower upper frames 13 and 14, and the inside surrounded by the frames 11 to 14 is an opening.
On the other hand, the plate material 20 having fire resistance closes the opening.
The frames 11 to 14 as vertical and horizontal frames constituting the resin frame member 10 are made of synthetic resin. Moreover, the board | plate material 20 which has the said fire resistance will not be specifically limited if it has fire resistance, For example, what was formed with the inorganic material, the metal material, etc. can be used.

Examples of the synthetic resin used in each of the frames 11 to 14 include chlorine-containing resins such as polyvinyl chloride, polyolefin resins such as polyethylene and polypropylene, and polyester resins such as polyethylene terephthalate and polybutylene terephthalate.
The synthetic resin is preferably made of hard vinyl chloride from the viewpoint of durability and flame retardancy.
Each frame can be formed by extrusion molding, injection molding, or the like using a synthetic resin such as hard vinyl chloride.
The said synthetic resin can use 1 type, or 2 or more types.

Examples of the inorganic material used for the plate material 20 having fire resistance include glass, gypsum, ceramic, cement, calcium silicate, pearlite, and the like.
Moreover, as a metal material used for the said board | plate material 20 which has the said fire resistance, an aluminum material, a stainless steel material, steel materials, an alloy material etc. can be mentioned, for example.
The inorganic material and the metal material can be used alone or in combination of two or more.

First, the vertical frames 11 and 12 constituting the resin frame member 10 will be described in detail.
The vertical frames 11 and 12 are formed by cutting a long material obtained by extrusion molding of hard vinyl chloride, and have a hollow portion penetrating along the longitudinal direction.
The vertical frames 11 and 12 include rectangular hollow portions 11a and 12a having a large cross-sectional shape and small hollow portions 11b and 12b.

The vertical frames 11 and 12 include plate material support portions 30 and 31 for supporting the surface 21 of the plate material 20 having fire resistance among the surface 21 and the side surface 22 of the plate material 20 having fire resistance. is set up.
The plate material support portions 30 and 31 are formed integrally with the vertical frames 11 and 12, respectively.
Moreover, the said board | plate material support parts 30 and 31 are equipped with the hollow parts 11b and 12b, respectively.
The plate material support portions 30, 31 are installed in parallel with the surface 21 of the fireproof plate material 20, and are made of synthetic resin packing installed in the packing installation portions 11c, 12c of the plate material support portions 30, 31 and the like. 32 and 33 support the surface 21 of the plate 20 having fire resistance.
Since the synthetic resin packings 32 and 33 are commercially available, these commercially available products can be appropriately selected and used.
The upper frame 13 and the lower frame 14 constituting the resin frame member 10 have the same structure although not shown.

As illustrated in FIG. 3, after the heat-expandable refractory material 15 is injected into all the hollow portions of the hollow portions 11a and 11b, the heat-expandable refractory material 15 flows inside the hollow portions 11a and 11b. Have lost. The same applies to the hollow portions 12a and 12b.
Although not shown, after the thermally expandable refractory material 15 is similarly injected into the hollow portion that penetrates the upper frame 13 and the lower frame 14 in the longitudinal direction, the upper frame 13 and the lower frame 14 are hollow. The heat-expandable refractory material 15 loses fluidity inside the part.
The structures of the vertical frames 11 and 12 are the same as those of the upper frame 13 and the lower frame 14, and the same applies to the following description.

As described above, the thermally expandable refractory material 15 is injected into the hollow portion of the resin frame member 10 in a direction along a plane parallel to the surface of the plate member 20, and loses fluidity by contacting the inner wall surface of the hollow portion. ing.
These thermally expandable refractory materials 15 are arranged along a plane parallel to the surface of the plate material 20 having fire resistance, and form a refractory surface together with the plate material 20 having fire resistance.
The fire-resistant surface formed in this manner fills almost the entire surface along the fire-resistant plate member 20 in the resin frame member 10 in a direction perpendicular to the fire-resistant plate member 20.

When the fireproof structure 100 of the resin sash according to the first embodiment is viewed from the outdoor side or the front side of the indoor side, that is, the direction perpendicular to the direction along the plate 20 having fire resistance, the fireproof structure 100 at the center has the fire resistance. A heat-expandable refractory material 15 is located on the outer periphery of the plate material 20 in front of the hollow portions of the vertical frames 11 and 12 and the upper frame 13 and the lower frame 14. It is injected along the surface to form a refractory surface.
A heat-expandable fire-resistant tape can be appropriately attached between the fire-resistant plate member 20 and the outermost surface of the resin frame member 10. From this, it is possible to prevent flames such as fire, smoke and the like from passing through the fireproof structure 100 of the resin sash.

When injecting the thermally expandable refractory material 15 into the hollow portion of the resin frame member 10, for example, the hollow portion of the resin frame member 10 is thermally expanded and fireproof while reducing the hollow portion of the resin frame member 10. Material 15 can be injected.
Further, the heat-expandable refractory material 15 can be injected into the hollow portion of the resin frame member 10 while applying pressure by a pressure injection means having a piston and a cylinder.
The composition of the thermally expandable refractory material 15 will be described later.

Further, in the hollow portions of the vertical frames 11 and 12, a fixing member 50 penetrating a support member 40 for supporting the side surface 22 of the fire-resistant plate 20 is installed. The support member 40 has a substantially U-shaped cross section.
The support member 40 illustrated in FIGS. 2 and 3 is made of a metal material in the case of the first embodiment, but the support member 40 may use at least one of a metal material and an inorganic material. it can. About the specific example of the said metal material and an inorganic material, the thing similar to what is used for the board | plate material 20 which has the said fire resistance demonstrated previously can be used.
Since the support member 40 has a substantially U-shaped cross section, the side surface 22 of the plate 20 having the fire resistance inside the support member 40 is a surface 41 of the support member 40 that faces the side surface 22. Can be inserted to the side.
Thus, the plate member 20 having the fire resistance can be supported by the support member 40.

In the fireproof structure of the resin sash according to the present invention, as shown in FIG. 3, a non-combustible reinforcing material 80 is inserted into the hollow portion of the resin frame material 10.
The fixing member 50 penetrates the support member 40 and is connected to a non-combustible reinforcing material 80 inserted into the hollow portion 11a of the vertical frame 11 of the resin frame member 10 so that the support member 40 and the resin frame member 10 are connected. It is fixed.
Similarly, fixing members 51 and 51 are installed on the vertical frames 11 and 12 from the structure 1 side, and the vertical frame 11 and the non-combustible reinforcing material 80 are connected.

FIG. 4 is a schematic cross-sectional view for explaining the structure of the incombustible reinforcing material used in the first embodiment. FIG. 5 is a schematic cross-sectional view illustrating a modification of the non-combustible reinforcing material that can be used in the present invention.
4 and 5 correspond to a vertical cross section with respect to the longitudinal direction of the resin frame member 10 having the hollow portion.
The non-combustible reinforcing material 80 used in the present invention includes a portion 81 that is substantially perpendicular to the side surface 22 of the plate 20 having fire resistance, and portions 82 and 83 that are substantially parallel to the side surface 22.
Thus, the fixing member 50 can be easily attached to the substantially parallel portions 82 and 83 by using the portions 82 and 83 that are substantially parallel to the side surface 22 of the plate material 20 having fire resistance. .

Here, the term “substantially parallel” refers to a case where one perpendicular is in the range of −5 to 5 degrees with respect to the other perpendicular to the case where the opposing faces are parallel to each other and the perpendiculars to both of the opposing faces. Including both cases of crossing.
The term “substantially perpendicular” includes both the case where the surfaces are perpendicular to each other and the case where the perpendiculars of the surfaces intersect each other in the range of 85 degrees to 95 degrees.

In addition, the shape of the non-combustible reinforcing material that can be used in the present invention is not limited to the U-shaped cross section illustrated in FIG. 4, for example, as shown in each of FIGS. 5 (a) to 5 (c). Further, it may be T-shaped, L-shaped, H-shaped or the like.
Further, as shown in each of (d) to (f), a shape obtained by removing a part from the polygonal tube may be used.

The incombustible reinforcing material 80 is made of an incombustible material, and examples of the incombustible material include a metal material and an inorganic material.
Examples of the metal material used for the incombustible reinforcing material 80 include an aluminum material, a stainless material, a steel material, and an alloy material.
Examples of the inorganic material used for the incombustible reinforcing material 80 include glass, gypsum, ceramic, cement, calcium silicate, pearlite, and the like.
The inorganic material and the metal material can be used alone or in combination of two or more.

FIG. 6 is a schematic diagram for explaining the relationship between the incombustible reinforcing material 80 inserted into the hollow portion 11a of the vertical frame 11 of the resin frame member 10 and the thermally expandable refractory material 15 injected into the hollow portion 11a. FIG.
A dashed line BB in FIG. 6 indicates a portion 81 that is substantially perpendicular to the side surface 22 of the fire-resistant plate member 20 included in the non-combustible reinforcing material 80.
A dashed line CC in FIG. 6 indicates the outermost surface of the resin frame member 10.
In the present invention, the portion 81 that is substantially perpendicular to the side surface 22 of the fire-resistant plate member 20 included in the incombustible reinforcing member 80 and the substantially perpendicular portion of the resin frame member 10 that has the hollow portion. It is necessary that the heat-expandable refractory material 15 is injected between the portion 81 and the outermost surface 11d facing the portion 81.
In the case of the resin sash fireproof structure 100 according to the first embodiment, as shown in FIG. 6, a thermally expandable refractory material 15 is injected between the one-dot broken line BB and the one-dot broken line CC. Has been.
This relationship is the same for all the hollow portions included in the resin frame member 10.

  Since the heat-expandable refractory material 15 is injected between the hollow portion of the resin frame member 10 and the substantially vertical portion 81 of the incombustible reinforcing member 80, the fire prevention of the resin frame member 10 is performed. It can prevent that property falls.

  Although the structure of the vertical frames 11 and 12 has been described, the same applies to the case of the upper frame 13 and the lower frame 14.

  Next, a second embodiment according to the present invention will be described with reference to the drawings.

  FIG. 7 is a schematic front view for illustrating a second embodiment of the fireproof structure of the resin sash according to the present invention. 8 is a cross-sectional view of the main part taken along the line AA in FIG. 1 before injecting the thermally expandable refractory material, and FIG. 9 is an AA in FIG. 1 after injecting the thermally expandable refractory material. It is a principal part expanded sectional view along a line.

7-9, the resin sash used for 2nd embodiment is attached to the rectangular opening formed in the structures 1 such as a house so that opening and closing is possible, and it becomes an open resin sash. Yes.
The opening resin sash used in the second embodiment is connected to a frame 202 installed in a rectangular opening formed in the structure 1 so as to be openable and closable using a hinge 203 or the like. A frame member 210 and a plate member 220 having fire resistance therein are provided.
The resin frame member 210 is provided with an opening / closing device 204 such as a door knob.
A resin sash fireproof structure 200 according to the second embodiment is obtained by injecting a thermally expandable refractory material into a hollow portion inside the resin frame member 210 or the like.

As in the case of the resin sash according to the first embodiment described above, the frame 202 shown in FIG. 7 can be made of a synthetic resin such as polyvinyl chloride. Moreover, when using a thing made from a synthetic resin, it is preferable to inject | pour a thermally expansible refractory material into the hollow part of the said frame 202. FIG.
The frame 202 shown in FIG. 7 can be made of a metal made of aluminum. As the metal one, a commercially available product having a shape matching the rectangular opening formed in the structure 1 can be appropriately selected and used.

The resin frame member 210 installed at the opening of the frame 202 is composed of left and right vertical hooks 211 and 212, and upper and lower upper hooks 213 and lower hooks 214, and the inside surrounded by the hooks 211 to 214 is opened. Has become a department.
On the other hand, the plate 220 having fire resistance closes the opening.
Each of the flanges 211 to 214 as vertical and horizontal shojis constituting the resin frame member 210 is made of synthetic resin. The plate material 220 having fire resistance is not particularly limited as long as it has fire resistance, and for example, a plate formed of an inorganic material, a metal material, or the like can be used.

  About the synthetic resin used for each said ridges 211-214, and the material used for the board | plate material 20 which has the said fire resistance, it is the same as that of the case of 1st embodiment.

First, the vertical rods 211 and 212 constituting the resin frame member 210 will be described in detail.
The vertical rods 211 and 212 are formed by cutting a long material obtained by extrusion molding of hard vinyl chloride, and have a hollow portion that penetrates along the longitudinal direction.
The vertical rods 211 and 212 include rectangular hollow portions 211a and 212a having a large cross-sectional shape and small hollow portions 211c and 212c.

Also, the vertical rods 211 and 212 have plate material support portions 230 and 231 for supporting the surface 221 of the plate material 220 having fire resistance among the surface 221 and the side surface 222 of the plate material 220 having fire resistance, respectively. is set up.
The plate material support portions 230 and 231 are formed integrally with the vertical rods 211 and 212, respectively.
Moreover, the said board | plate material support parts 230 and 231 are equipped with the hollow parts 211b and 212b, respectively.
The plate material support portions 230 and 231 are installed in parallel with the surface 221 of the fireproof plate material 220, and are installed in packing installation portions 211d, 211e, 212d, and 212e such as the plate material support portions 230 and 231. A synthetic resin packing 232 supports the surface 221 of the plate 220 having fire resistance.
Since the synthetic resin packing 232 is commercially available, these commercially available products can be appropriately selected and used.
Further, the upper collar 213 and the lower collar 214 constituting the resin frame member 210 have the same structure although not shown.

As illustrated in FIG. 9, after the heat-expandable refractory material 215 is injected into all of the hollow portions 211 a, 211 b, and 211 c, the heat-expandable refractory material is formed inside the hollow portions 211 a, 211 b, and 211 c. 215 has lost its fluidity. The same applies to the hollow portions 212a, 212b, and 212c.
Although not shown in the figure, after the thermally expandable refractory material 215 is similarly injected into the hollow portion penetrating in the longitudinal direction into the upper collar 213 and the lower collar 214, the upper collar 213 and the lower collar 214 are hollow. The heat-expandable refractory material 215 loses fluidity inside the part.
The structure of the vertical rod 211, 212 is the same as that of the upper rod 213, the lower rod 214, and the same applies to the following description.

As in the case of the first embodiment, the thermally expandable refractory material 215 is injected into the hollow portion of the resin frame member 210 in a direction along a plane parallel to the surface of the plate member 220, and is applied to the inner wall surface of the hollow portion. I lost contact with the liquidity.
These thermally expandable refractory materials 215 are arranged along a plane parallel to the surface of the plate 220 having fire resistance, and form a refractory surface together with the plate 220 having fire resistance.
The fireproof surface thus formed fills up almost the entire surface along the fireproof plate 220 inside the resin frame member 10 in a direction perpendicular to the fireproof plate 220.

Further, a fixing member 250 penetrating a support member 240 for supporting the side surface 222 of the fire-resistant plate material 220 is installed in the hollow portion of the vertical rods 211 and 212. The support member 240 has a substantially U-shaped cross section.
The support member 240 illustrated in FIGS. 8 and 9 is made of a metal material in the case of the first embodiment. However, the support member 240 may use at least one of a metal material and an inorganic material. it can. About the specific example of the said metal material and an inorganic material, the thing similar to what is used for the board | plate material 220 which has the said fire resistance demonstrated previously can be used.
Since the support member 240 has a substantially U-shaped cross section, a side surface 222 of the plate 220 having fire resistance is formed inside the support member 240, and a surface 241 of the support member 240 that faces the side surface 222. Can be inserted to the side.
In this way, the supporting member 240 can support the plate 220 having fire resistance.

In the fireproof structure of the resin sash according to the present invention, as shown in FIG. 9, a non-combustible reinforcing material 280 is inserted into the hollow portion of the resin frame member 210.
The fixing member penetrates the support member 240 and is connected to a non-combustible reinforcing material 280 inserted into the hollow portion 211a of the vertical rod 211 of the resin frame member 210 to fix the support member 240 and the resin frame member 210. doing.

FIG. 10 is a schematic diagram for explaining the relationship between the incombustible reinforcing material 280 inserted into the hollow portion 211a of the vertical gutter 211 of the resin frame member 210 and the thermally expandable refractory material 215 injected into the hollow portion 211a. FIG.
In the case of the resin sash fire prevention structure 200 according to the second embodiment, as in the case of the first embodiment, as shown in FIG. 10, the one-dot broken line BB and the one-dot broken line CC are A thermally expandable refractory material 15 is injected therebetween.
This relationship is the same for all the hollow portions included in the resin frame material 210.

  For this reason, since the heat-expandable refractory material 215 is injected between the hollow portion of the resin frame member 210 and the substantially vertical portion 281 of the incombustible reinforcing material 280, the incombustible reinforcing material 280 is injected. It can prevent that the fire resistance of the said resin frame material 210 falls by presence of this.

  Although the structure of the vertical rod 211, 212 has been described, the same applies to the upper rod 213, the lower rod 214.

  Next, a third embodiment according to the present invention will be described with reference to the drawings.

  FIG. 11 is a schematic front view for illustrating a third embodiment of the fireproof structure of the resin sash according to the present invention. FIG. 12 is a schematic diagram for explaining the operating state of the resin sash used in the third embodiment. FIG. 13 is an enlarged cross-sectional view of a main part taken along line AA of FIG. 1 after injecting a thermally expandable refractory material.

11 to 13, the resin sash used in the third embodiment is attached to a rectangular opening formed in the structure 1 such as a house so as to be openable and closable, and becomes a longitudinal sliding resin sash. ing.
The opening resin sash used in the second embodiment is connected to the frame 2 installed in the rectangular opening formed in the structure 1 so as to be openable and closable using a hinge or the like. The resin frame member 210 and the plate member 220 having fire resistance therein are provided.
On the other hand, the longitudinal sliding resin sash used in the third embodiment is different in that it is slidably connected to a frame 302 installed in a rectangular opening formed in the structure 1. The point provided with the resin frame material 310 as a shoji and the board 320 which has fire resistance in the inside is the same as that of the case of 2nd embodiment.

As shown in FIG. 12, a substrate plate 360 is installed on the lower surface of the frame 302. A movable arm 362 and a movable arm 361 that are movable in the horizontal direction with respect to the substrate plate 360 are connected to the substrate plate 360 so as to be rotatable in the horizontal direction.
One end of the movable arm 362 is connected to the substrate plate 360 so as to be movable in the longitudinal direction of the opening 363 of the substrate plate 360.
The other end of the movable arm 362 is connected to a lower collar 314 used in the third embodiment by a hinge 364 so as to be rotatable in the horizontal direction. The opening resin sash used in the third embodiment is The frame 302 installed in the rectangular opening formed in the structure 1 can be slidably opened and closed.
This structure is the same for the upper surface of the frame 302 and the upper collar 313.

The connection structure between the resin sash and the frame 302 used in the third embodiment is not particularly limited, and a structure similar to the structure of a known vertical sliding window can be employed.
A resin sash fireproof structure 300 according to the third embodiment is obtained by injecting a heat-expandable refractory material into a hollow portion inside the resin frame 310 or the like.
The structure of the longitudinal sliding resin sash including the resin frame 310 as the shoji and the fire-resistant plate 320 is the same as that of the second embodiment described above.

In the case of the resin sash used in the third embodiment, the longitudinal sliding resin sash is taken as an example, but a side sliding resin sash may be used as a modification of the resin sash used in the third embodiment. it can.
The structure of such a skid resin sash is not limited, and a structure similar to the structure of a known skid sliding window can be employed.

Next, a fourth embodiment according to the present invention will be described with reference to the drawings.
FIG. 14 is a schematic front view for illustrating a fourth embodiment of the fireproof structure of the resin sash according to the present invention. 15 is a cross-sectional view of the main part taken along the line AA of FIG. 13 before injecting the thermally expandable refractory material, and FIG. 16 is an AA view of FIG. 1 after injecting the thermally expandable refractory material. It is a principal part expanded sectional view along a line.

14-16, the resin sash used for 4th embodiment is attached to the rectangular opening formed in the structures 1 such as a house so that opening and closing is possible, and it becomes a sliding resin sash. ing.
The differential resin sash used in the fourth embodiment is installed in a frame 402 installed in a rectangular opening formed in the structure 1 so as to be capable of being drawn, and is a resin frame material as two sets of shoji. 410 and 410, and plate materials 420 and 420 having fire resistance therein, respectively.
The resin sash fireproof structure 400 according to the fourth embodiment is obtained by injecting a thermally expandable refractory material into the hollow portions inside the resin frame members 410, 410, and the like.

The frame 402 shown in FIG. 14 is preferably made of a synthetic resin. Like the resin sash according to the first embodiment described above, the frame 402 is made of a synthetic resin such as polyvinyl chloride. More preferably it is used.
Moreover, when using the thing made from a synthetic resin, it is preferable to inject | pour a thermally expansible refractory material into a hollow part.
As the frame 402 shown in FIG. 14, a metal made of aluminum can also be used. The said metal thing can select and use the commercial item of the shape match | combined with the rectangular opening formed in the said structure 1 suitably.

The resin frame member 410 is composed of left and right vertical rods 411 and 412 and upper and lower upper rods 413 and lower rods 414, and the inside surrounded by the respective ribs 411 to 414 is an opening.
On the other hand, the fire-resistant plate materials 420 and 420 close the opening.
The flanges 411 to 414 as vertical and horizontal shojis constituting the resin frame members 410 and 410 are made of synthetic resin. The plate material 420 having fire resistance is not particularly limited as long as it has fire resistance. For example, a plate formed of an inorganic material, a metal material, or the like can be used.

By using two sets of differential resin sashes used in the fourth embodiment, the interior of the frame 402 installed in the rectangular opening formed in the structure 1 is drawn in the horizontal direction. The resin sash can slide independently.
When the sliding resin sashes are closed to the left and right inside the frame 402, the vertical rods 412 and 412 of the two sets of sliding resin sashes are in contact with the surface of the plate 420 having fire resistance. Thus, the rectangular openings formed in the structure 1 can be sealed by overlapping each other in the vertical direction.

  About the synthetic resin used for each said ridges 411-414, and the material used for the board | plate materials 420 and 420 which have the said fire resistance, it is the same as that of the case of 1st embodiment.

First, the vertical rods 411 and 412 constituting the resin frame material 410 will be described in detail.
As in the case of Example 1, the vertical hooks 411 and 412 are formed by cutting a long material obtained by extrusion molding of hard vinyl chloride, and have a hollow portion penetrating along the longitudinal direction. doing.
The vertical rod 411 includes a rectangular hollow portion 411a having a large cross-sectional shape and small hollow portions 411b and 411c. The same applies to the vertical gutter 412.

  Further, the upper collar 413 and the lower collar 414 constituting the resin frame material 410 have the same structure although not shown.

As illustrated in FIG. 16, after the thermally expandable refractory material 415 is injected into all the hollow portions of the hollow portions 411a, 411b, and 411c, the thermally expandable refractory material is formed inside the hollow portions 411a, 411b, and 411c. 415 has lost its liquidity. The same applies to the hollow portions 412a, 411b, and 412c.
Although not shown in the figure, after the heat-expandable refractory material 415 is similarly injected into the hollow portion penetrating in the longitudinal direction also into the vertical rod 412, the upper rod 413, and the lower rod 414, the vertical rod 412 The heat-expandable refractory material 415 loses fluidity inside the hollow portion of the upper rod 413 and the lower rod 414.
The structure of the vertical rod 411, 412 is the same as that of the upper rod 413, the lower rod 414, and the same applies to the following description.

As in the case of the first embodiment, the thermally expandable refractory material 415 is injected into the hollow portion of the resin frame member 410 in a direction along a plane parallel to the surface of the plate member 420, and is applied to the inner wall surface of the hollow portion. I lost contact with the liquidity.
These thermally expandable refractory materials 415 are arranged along a plane parallel to the surface of the plate material 420 having fire resistance, and form a fireproof surface together with the plate material 420 having fire resistance.
The fireproof surface thus formed fills up almost the entire surface along the fireproof plate 420 inside the resin frame member 10 in a direction perpendicular to the fireproof plate 420.

Further, a fixing member 450 penetrating a support member 440 for supporting the side surface 422 of the fire-resistant plate material 420 is installed in the hollow portion of the vertical rods 411 and 412. The support member 440 has a substantially U-shaped cross section.
The support member 440 illustrated in FIGS. 14 and 15 is made of a metal material in the case of the first embodiment, but the support member 440 may use at least one of a metal material and an inorganic material. it can. About the specific example of the said metal material and an inorganic material, the thing similar to what is used for the board | plate material 420 which has the said fire resistance demonstrated previously can be used.
Since the support member 440 has a substantially U-shaped cross section, a side surface 422 of the plate 420 having fire resistance is formed inside the support member 440 and a surface 441 of the support member 440 that faces the side surface 422. Can be inserted to the side.
In this way, the support member 440 can support the plate 420 having fire resistance.

In the fireproof structure of the resin sash according to the present invention, as shown in FIG. 16, a non-combustible reinforcing material 480 is inserted into the hollow portion of the resin frame material 410.
The fixing member passes through the support member 440 and is connected to a non-combustible reinforcing material 480 inserted into the hollow portion 411a of the vertical rod 411 of the resin frame material 410 to fix the support member 440 and the resin frame material 410. doing.

FIG. 17 is a schematic diagram for explaining the relationship between the incombustible reinforcing material 480 inserted into the hollow portion 411a of the vertical rod 411 of the resin frame material 410 and the thermally expandable refractory material 415 injected into the hollow portion 411a. FIG.
In the case of the fireproof structure 200 of the resin sash according to the fourth embodiment, as in the case of the first embodiment, as shown in FIG. 17, the one-dot broken line BB and the one-dot broken line CC are A thermally expandable refractory material 415 is injected therebetween.
This relationship is the same for all the hollow portions included in the resin frame material 410.

  For this reason, since the heat-expandable refractory material 415 is injected between the hollow portion of the resin frame material 410 and the substantially vertical portion 481 of the incombustible reinforcing material 480, the incombustible reinforcing material 480 is injected. It can prevent that the fire resistance of the said resin frame material 210 falls by presence of this.

  Although the structure of the vertical hook 411 has been described, the same applies to the vertical hook 412, the upper hook 413, and the lower hook 414.

  Next, the thermally expandable refractory material used in the present invention will be described.

  Specific examples of the heat-expandable refractory material include those made of a resin composition containing a reactive curable resin component, a heat-expandable component, an inorganic filler, and the like.

Of the components of the thermally expandable refractory material, the reaction curable resin component will be described first.
As the reactive curable resin component, for example, the viscosity increases as the reaction of the constituent components contained in the reactive curable resin component progresses over time, and the fluidity is initially fluid but the fluidity over time. There is no particular limitation as long as it loses.
Specific examples of the reaction curable resin component include urethane resin, isocyanurate resin, epoxy resin, phenol resin, urea resin, unsaturated polyester resin, alkyd resin, melamine resin, diallyl phthalate resin, A silicone resin etc. are mentioned.

As said urethane resin, what contains the polyisocyanate compound as a main ingredient, the polyol compound as a hardening | curing agent, a catalyst, etc. is mentioned, for example.
Examples of the polyisocyanate compound that is the main component of the urethane resin include aromatic polyisocyanates, alicyclic polyisocyanates, and aliphatic polyisocyanates.

  Examples of the aromatic polyisocyanate include phenylene diisocyanate, tolylene diisocyanate, xylylene diisocyanate, diphenylmethane diisocyanate, diphenylmethane diisocyanate, dimethyldiphenylmethane diisocyanate, triphenylmethane triisocyanate, naphthalene diisocyanate, polymethylene polyphenyl polyisocyanate, and the like. .

  Examples of the alicyclic polyisocyanate include cyclohexylene diisocyanate, methylcyclohexylene diisocyanate, isophorone diisocyanate, dicyclohexylmethane diisocyanate, dimethyldisicyclohexylmethane diisocyanate, and the like.

Examples of the aliphatic polyisocyanate include methylene diisocyanate, ethylene diisocyanate, propylene diisocyanate, tetramethylene diisocyanate, and hexamethylene diisocyanate.
The said polyisocyanate compound can use 1 type, or 2 or more types.
The main component of the urethane resin is preferably diphenylmethane diisocyanate for reasons such as ease of use and availability.

  Examples of the polyol compound that is a curing agent for the urethane resin include aromatic polyols, alicyclic polyols, aliphatic polyols, polyester-based polyols, and polymer polyols.

Examples of the aromatic polyol include bisphenol A, bisphenol F, phenol novolak, and cresol novolak.
Examples of the alicyclic polyol include cyclohexanediol, methylcyclohexanediol, isophoronediol, dicyclohexylmethanediol, dimethyldisicyclohexylmethanediol, and the like.
Examples of the aliphatic polyol include ethylene glycol, propylene glycol, butanediol, pentanediol, and hexanediol.
Examples of the polyester-based polyol include a polymer obtained by dehydration condensation of a polybasic acid and a polyhydric alcohol, and a polymer obtained by ring-opening polymerization of a lactone such as ε-caprolactone and α-methyl-ε-caprolactone. Examples thereof include condensates and condensates of hydroxycarboxylic acid and the above polyhydric alcohol.

Specific examples of the polybasic acid include adipic acid, azelaic acid, sebacic acid, terephthalic acid, isophthalic acid, and succinic acid.
Specific examples of the polyhydric alcohol include bisphenol A, ethylene glycol, 1,2-propylene glycol, 1,4-butanediol, diethylene glycol, 1,6-hexane glycol, and neopentyl glycol. It is done.
Specific examples of the hydroxycarboxylic acid include castor oil, a reaction product of castor oil and ethylene glycol, and the like.

  Examples of the polymer polyol include a polymer obtained by graft polymerization of an ethylenically unsaturated compound such as acrylonitrile, styrene, methyl acrylate, and methacrylate on the aromatic polyol, alicyclic polyol, aliphatic polyol, polyester polyol, and the like. Coalesced, polybutadiene polyol, or hydrogenated products thereof.

The isocyanate index in the present invention [(number of moles of isocyanate group) / (number of moles of all active hydrogen groups including water) × 100] is usually in the range of 50 to 500. Preferably it is the range of 60-450, More preferably, it is the range of 70-400.
When the isocyanate index is less than 50, the obtained rigid polyurethane foam may not have sufficient flame retardancy and mechanical strength. When it exceeds 500, the brittleness of the obtained rigid polyurethane foam becomes high and the adhesive strength is increased. Tend to decrease.

  Examples of the urethane resin catalyst include triethylamine, N-methylmorpholine bis (2-dimethylaminoethyl) ether, N, N, N ′, N ″, N ″ -pentamethyldiethylenetriamine, N, N, N′— Amino such as trimethylaminoethyl-ethanolamine, bis (2-dimethylaminoethyl) ether, N-methyl, N′-dimethylaminoethylpiperazine, imidazole compounds in which the secondary amine functional group in the imidazole ring is substituted with a cyanoethyl group And system catalysts.

  Next, as the isocyanurate resin, for example, using the polyurethane resin described above, the isocyanate group contained in the polyisocyanate compound which is the main component of the polyurethane resin was reacted to trimerize, thereby promoting the generation of the isocyanurate ring. The thing etc. can be mentioned.

In order to promote the formation of an isocyanurate ring, for example, as a catalyst, tris (dimethylaminomethyl) phenol, 2,4-bis (dimethylaminomethyl) phenol, 2,4,6-tris (dialkylaminoalkyl) hexahydro Aromatic compounds such as -S-triazine, carboxylic acid alkali metal salts such as potassium acetate, potassium 2-ethylhexanoate and potassium octylate, quaternary ammonium salts of carboxylic acids, and the like may be used.
The main component and curing agent of the isocyanurate resin are the same as those of the previous polyurethane resin.

  Next, examples of the epoxy resin include a resin obtained by reacting a monomer having an epoxy group as a main component with a curing agent.

  Examples of the monomer having an epoxy group include, as a bifunctional glycidyl ether type, a polyethylene glycol type, a polypropylene glycol type, a neopentyl glycol type, a 1,6-hexanediol type, a trimethylolpropane type, and a propylene oxide-bisphenol A. And monomers such as hydrogenated bisphenol A type, bisphenol A type, and bisphenol F type.

  Examples of the glycidyl ester type include monomers such as hexahydrophthalic anhydride type, tetrahydrophthalic anhydride type, dimer acid type, and p-oxybenzoic acid type.

  Further, examples of the polyfunctional glycidyl ether type include monomers such as phenol novolac type, orthocresol type, DPP novolac type, dicyclopentadiene, and phenol type.

  These can use 1 type, or 2 or more types.

Examples of the curing agent include a polyaddition type curing agent and a catalyst type curing agent.
Examples of the polyaddition type curing agent include polyamines, acid anhydrides, polyphenols, polymercaptans, and the like.
Examples of the catalyst-type curing agent include tertiary amines, imidazoles, and Lewis acid complexes.
The method for curing these epoxy resins is not particularly limited, and can be performed by a known method.

  In addition, what adjusted the melt viscosity of the said resin component, a softness | flexibility, adhesiveness, etc. can use what mixed 2 or more types of resin components.

Next, as said phenol resin, a resol type phenol resin composition etc. are mentioned, for example.
The resol type phenol resin composition includes, for example, a resol type phenol resin as a main agent, a curing agent, and the like.

As the main component of the phenol resin, for example, phenols, cresol, xylenol, paraalkylphenol, paraphenylphenol, resorcin and other phenols and modified products thereof, and aldehydes such as formaldehyde, paraformaldehyde, furfural, and acetaldehyde are used as catalysts. Although what is obtained by making it react in presence of alkalis, such as quantity of sodium hydroxide, potassium hydroxide, calcium hydroxide, is mention | raise | lifted, it is not limited to this.
The mixing ratio of phenols and aldehydes is not particularly limited, but is usually in the range of 1.0: 1.5 to 1.0: 3.0 in terms of molar ratio. The mixing ratio is preferably in the range of 1.0: 1.8 to 1.0: 2.5.

  Examples of the phenol resin curing agent include inorganic acids such as sulfuric acid and phosphoric acid, and organic acids such as benzenesulfonic acid, ethylbenzenesulfonic acid, paratoluenesulfonic acid, xylenesulfonic acid, naphtholsulfonic acid, and phenolsulfonic acid. It is done.

Next, examples of the urea resin include urea as a main agent, formaldehyde as a curing agent, a basic compound as a catalyst, and a composition containing an acidic compound.
The urea and formaldehyde form a urea resin by a polymerization reaction.

Next, as unsaturated polyester resin, the composition etc. which contain the unsaturated polybasic acid as a main ingredient, the polyol compound as a hardening | curing agent, a catalyst, etc. are mentioned.
Specific examples of the main component of the unsaturated polyester resin include maleic anhydride and fumaric acid.

Specific examples of the curing agent for the unsaturated polyester resin include a polyol compound used for the urethane resin described above.
The unsaturated polyester resin may be used in combination with a saturated polybasic acid such as phthalic anhydride or isophthalic acid, if necessary.

Further, a crosslinking vinyl monomer such as styrene, vinyl toluene, methyl methacrylate or the like which is polymerized with the main component of the unsaturated polyester resin can be added.
Specific examples of the unsaturated polyester resin catalyst include t-butyl peroxybenzoate, t-butyl peroxy-2-ethylhexanoate, t-butyl peroxy octoate, and t-butyl peroxy. Examples thereof include organic peroxides such as isopropyl carbonate and 1,1-di-t-butylperoxy-3,3,5-trimethylcyclohexanone.

Next, as an alkyd resin, the composition containing the polybasic acid as a main ingredient, the polyol compound as a hardening | curing agent, fats and oils, etc. are mentioned, for example.
Specific examples of the main component of the alkyd resin include maleic anhydride, phthalic anhydride, and adipic acid.

Specific examples of the curing agent for the alkyd resin include a polyol compound used for the urethane resin described above.
Examples of the fats and oils include soybean oil, coconut oil, and linseed oil.

Next, as a melamine resin, the composition containing the melamine as a main ingredient, formaldehyde as a hardening | curing agent, etc. are mentioned, for example.
A benzoguanamine etc. can also be added to the said composition as needed.

Next, examples of the diallyl phthalate resin include a composition containing a polybasic acid such as phthalic anhydride as a main agent, allyl alcohol as a curing agent, and a crosslinking agent.
Examples of the crosslinking agent include styrene and vinyl acetate.

  Next, as the silicone resin, for example, a composition containing a platinum compound such as chloroplatinic acid as a curing agent, etc. Can be mentioned.

Specific examples of the dialkylsilyl dichloride include dimethylsilyl dichloride, diethylsilyl dichloride, dipropylsilyl dichloride, and the like.
Specific examples of the dialkylsilyldiol include dimethylsilyldiol, diethylsilyldiol, and dipropylsilyldiol.
Specific examples of the trialkylsilyl chloride include trimethylsilyl chloride, triethylsilyl chloride, tripropylsilyl chloride, and the like.
Specific examples of the trialkylsilyldiol include trimethylsilylol, triethylsilylol, tripropylsilylol, and the like.
The reaction inhibitor is bonded to the terminal of the polysiloxane main chain and plays a role in controlling the reaction and controlling the degree of polymerization of the polysiloxane main chain.

The reaction curable resin component used in the present invention is preferably a thermosetting resin in order to prevent melting easily even when exposed to heat such as a fire.
The reaction curable resin component used in the present invention is more preferably an epoxy resin, a urethane resin, a phenol resin or the like from the viewpoint of handleability.

  The reactive curable resin component used in the present invention can also be used after preliminary reaction between the main agent and the curing agent.

  The main component, curing agent, catalyst, and the like of the reactive curable resin component contained in the thermally expandable refractory material used in the present invention can be used singly or in combination of two or more.

  By using a foaming agent and a foam stabilizer in combination with the reactive curable resin component contained in the thermally expandable refractory material used in the present invention, the thermally expandable refractory material can be cured in a foamed state. it can.

Examples of the foaming agent include water,
Low boiling point hydrocarbons such as propane, butane, pentane, hexane, heptane, cyclopropane, cyclobutane, cyclopentane, cyclohexane, cycloheptane,
Chlorinated aliphatic hydrocarbon compounds such as dichloroethane, propyl chloride, isopropyl chloride, butyl chloride, isobutyl chloride, pentyl chloride, isopentyl chloride,
Fluorine compounds such as trichloromonofluoromethane and trichlorotrifluoroethane, hydrofluorocarbons such as CHF ₃ , CH ₂ F ₂ , and CH ₃ F;
Fluorine compounds such as trichloromonofluoromethane and trichlorotrifluoroethane,
Hydrochlorofluorocarbon compounds such as dichloromonofluoroethane (for example, HCFC141b (1,1-dichloro-1-fluoroethane), HCFC22 (chlorodifluoromethane), HCFC142b (1-chloro-1,1-difluoroethane)),
Examples include organic physical foaming agents such as ether compounds such as diisopropyl ether or mixtures of these compounds, and inorganic physical foaming agents such as nitrogen gas, oxygen gas, argon gas, and carbon dioxide gas.

  Although the usage-amount of the foaming agent with respect to the said reaction curable resin component is suitably set with the said reaction curable resin component to be used, if an example is shown, for example with respect to 100 weight part of the said reaction curable resin components The range is usually from 0.1 to 20 parts by weight, preferably from 0.3 to 10 parts by weight.

Examples of the foam stabilizer include organosilicon surfactants.
The amount of the foam stabilizer used with respect to the reactive curable resin component is appropriately set depending on the reactive curable resin component to be used. For example, with respect to 100 parts by weight of the resin component, 0 is used. A range of 0.01 to 5 parts by weight is preferable.

  One or two or more foaming agents and foam stabilizers can be used.

  The reaction curable resin component used in the present invention preferably has a foaming function in order to cure the thermally expandable refractory material in a foamed state. Specifically, urethane resin foam, isocyanurate resin foam It is preferable to use one or more of epoxy resin foam, phenol resin foam, urea resin foam, unsaturated polyester resin foam, alkyd resin foam, melamine resin foam, diallyl phthalate resin foam, silicone resin foam and the like.

  By curing the thermally expandable refractory material in a foamed state, it is possible to impart a heat insulating effect of bubbles to the cured thermally expandable refractory material, such as a door, a sash, etc. installed in an opening of a structure, etc. The heat insulation of the building member in which the thermally expansible fireproof material was inject | poured can be improved.

Next, a thermal expansion component is demonstrated among each component of the said thermally expansible refractory material.
The thermal expansion component expands upon heating. Specific examples of the thermal expansion component include inorganic expansion components such as vermiculite, kaolin, mica, and thermally expandable graphite, and a thermally expandable resin composition. The molded product pulverized product can be listed.

  The heat-expandable graphite is a conventionally known substance, and powders such as natural scaly graphite, pyrolytic graphite, and quiche graphite are mixed with an inorganic acid such as concentrated sulfuric acid, nitric acid, and selenic acid, and concentrated nitric acid, perchloric acid, peroxygen, and the like. A graphite intercalation compound was produced by treatment with a strong oxidant such as chlorate, permanganate, dichromate, dichromate, hydrogen peroxide, etc., and the layered structure of carbon was maintained. It is a kind of crystalline compound as it is.

  The heat-expandable graphite obtained by acid treatment as described above is preferably further neutralized with ammonia, an aliphatic lower amine, an alkali metal compound, an alkaline earth metal compound, or the like.

  Examples of the aliphatic lower amine include monomethylamine, dimethylamine, trimethylamine, ethylamine, propylamine, and butylamine.

  Examples of the alkali metal compound and the alkaline earth metal compound include hydroxides such as potassium, sodium, calcium, barium, and magnesium, oxides, carbonates, sulfates, and organic acid salts.

  The thermal expandable graphite preferably has a particle size in the range of 20 to 200 mesh.

  When the particle size is 20 mesh or more, the dispersibility is improved, so that kneading with a resin component or the like is facilitated. On the other hand, when the particle size is 200 mesh or less, since the degree of expansion of graphite is large, it becomes easy to obtain a sufficient fireproof heat insulating layer.

  Examples of commercially available neutralized thermally expandable graphite include “GRAFGUARD # 160”, “GRAFGUARD # 220” manufactured by UCAR CARBON, and “GREP-EG” manufactured by Tosoh Corporation.

Examples of the pulverized molded product of the heat-expandable resin composition include a product obtained by pulverizing a commercially available heat-expandable fireproof sheet.
Specific examples of the heat-expandable fireproof sheet used in the pulverized molded article include, for example, Fibro (registered trademark) manufactured by Sekisui Chemical Co., Ltd., resin components such as epoxy resin and rubber resin, and heat-expandable graphite. Molded product of thermally expandable resin composition containing thermal expansion component, phosphorus compound, inorganic filler, etc.), Sumitomo 3M Fire Barrier (sheet material consisting of resin composition containing chloroprene rubber and verculite, expansion coefficient) : 3 times, thermal conductivity: 0.20 kcal / m · h · ° C., Mitsui Metal Paint Chemical Co., Ltd. medhi-cut (sheet material consisting of a resin composition containing polyurethane resin and thermally expandable graphite, expansion rate: 4 times) , Thermal conductivity: 0.21 kcal / m · h · ° C.) and the like.

Molded product of thermally expandable resin composition by a method such as finely cutting a commercially available heat-expandable fireproof sheet with a cutter, etc., or a method of grinding a commercially available heat-expandable fireproof sheet etc. through a grinding roll A pulverized product can be obtained.
The compact of the thermally expandable resin composition is preferably in the range of 5 to 20 mesh.

  When the particle size of the pulverized molded product of the heat-expandable resin composition is 5 mesh or more, dispersibility is improved, so that kneading with a resin component or the like is facilitated. On the other hand, if the particle size is 20 mesh or less, the expansion of graphite is large, so that a sufficient fire-resistant heat insulating layer can be easily obtained.

  Next, among the components of the above-mentioned thermally expandable refractory material, the inorganic filler will be described.

  The inorganic filler is not particularly limited. For example, silica, diatomaceous earth, alumina, zinc oxide, titanium oxide, calcium oxide, magnesium oxide, iron oxide, tin oxide, antimony oxide, ferrites, calcium hydroxide, hydroxide Magnesium, aluminum hydroxide, basic magnesium carbonate, calcium carbonate, magnesium carbonate, zinc carbonate, barium carbonate, dawsonite, hydrotalcite, calcium sulfate, barium sulfate, gypsum fiber, potassium salt of calcium silicate, vermiculite, kaolin, Mica, talc, clay, mica, montmorillonite, bentonite, activated clay, ceviolite, imogolite, sericite, glass fiber, glass beads, silica-based balun, aluminum nitride, boron nitride, silicon nitride, carbon black , Graphite, carbon fiber, carbon balun, charcoal powder, various metal powders, potassium titanate, magnesium sulfate, lead zirconate titanate, aluminum borate, molybdenum sulfide, silicon carbide, stainless steel fiber, zinc borate, various magnetic powders, slag Examples thereof include fibers, fly ash, inorganic phosphorus compounds, silica alumina fibers, alumina fibers, silica fibers, and zirconia fibers.

  These can use 1 type, or 2 or more types.

  The said inorganic filler plays the role of an aggregate and contributes to the improvement of the expansion | swelling heat insulation layer produced | generated after a heating, and the increase in a heat capacity.

  For this reason, a calcium carbonate, a metal carbonate represented by zinc carbonate, an aluminum hydroxide that gives an endothermic effect during heating in addition to an aggregate role, and a water-containing inorganic material represented by magnesium hydroxide are preferred. An earth metal and a metal carbonate of the periodic table IIb or a mixture of these with the water-containing inorganic substance are preferable.

Moreover, a phosphorus compound can also be added as a flame retardant to the thermally expandable refractory material used in the present invention.
The phosphorus compound is used to improve flame retardancy or to exhibit a thermal expansion function in combination with nitrogen compounds, alcohols, and the like.

The phosphorus compound is not particularly limited, and examples thereof include red phosphorus,
Various phosphate esters such as triphenyl phosphate, tricresyl phosphate, trixylenyl phosphate, cresyl diphenyl phosphate, xylenyl diphenyl phosphate,
Metal phosphates such as sodium phosphate, potassium phosphate, magnesium phosphate,
Ammonium polyphosphates,
The compound etc. which are represented by following Chemical formula 1 are mentioned.

  These phosphorus compounds can be used alone or in combination of two or more.

  Among these, from the viewpoint of fire resistance, red phosphorus, a compound represented by the following chemical formula, and ammonium polyphosphates are preferable, and ammonium polyphosphates are more preferable in terms of performance, safety, cost, and the like.

上記化学式中、Ｒ１及びＲ３は、水素、炭素数１〜１６の直鎖状若しくは分岐状のアルキル基、又は、炭素数６〜１６のアリール基を表す。

In the above chemical formula, R1 and R3 represent hydrogen, a linear or branched alkyl group having 1 to 16 carbon atoms, or an aryl group having 6 to 16 carbon atoms.

  R2 is a hydroxyl group, a linear or branched alkyl group having 1 to 16 carbon atoms, a linear or branched alkoxyl group having 1 to 16 carbon atoms, an aryl group having 6 to 16 carbon atoms, or a carbon number Represents 6 to 16 aryloxy groups.

  Examples of the compound represented by the chemical formula include methylphosphonic acid, dimethyl methylphosphonate, diethyl methylphosphonate, ethylphosphonic acid, propylphosphonic acid, butylphosphonic acid, 2-methylpropylphosphonic acid, t-butylphosphonic acid, 2, 3-dimethyl-butylphosphonic acid, octylphosphonic acid, phenylphosphonic acid, dioctylphenylphosphonate, dimethylphosphinic acid, methylethylphosphinic acid, methylpropylphosphinic acid, diethylphosphinic acid, dioctylphosphinic acid, phenylphosphinic acid, diethylphenylphosphinic acid , Diphenylphosphinic acid, bis (4-methoxyphenyl) phosphinic acid and the like.

  Among them, t-butylphosphonic acid is preferable in terms of high flame retardancy although it is expensive.

  The ammonium polyphosphates are not particularly limited, and examples include ammonium polyphosphate and melamine-modified ammonium polyphosphate. Ammonium polyphosphate is preferred from the viewpoint of flame retardancy, safety, cost, and handleability. Used.

  Examples of commercially available products include “trade name: EXOLIT AP422” and “trade name: EXOLIT AP462” manufactured by Clariant.

  It is considered that the phosphorus compound reacts with metal carbonates such as calcium carbonate and zinc carbonate to promote the expansion of the metal carbonate. In particular, when ammonium polyphosphate is used as the phosphorus compound, a high expansion effect is obtained. can get.

  It also acts as an effective aggregate and forms a highly shape-retaining residue after combustion.

  The nitrogen compound is not particularly limited, but is preferably a melamine compound or the like. The alcohols are not particularly limited, but polyhydric alcohols such as pentaerythritol are preferable.

  When the inorganic filler used in the present invention is granular, the particle size is preferably in the range of 0.5 to 200 μm, more preferably in the range of 1 to 50 μm.

  When the amount of the inorganic filler added is small, the dispersibility greatly affects the performance, so a small particle size is preferable. However, when the particle size is 0.5 μm or more, secondary aggregation can be prevented and the dispersibility is good. It becomes.

  In addition, when the amount of inorganic filler added is large, the viscosity of the resin composition increases and moldability decreases as high filling proceeds, but the viscosity of the resin composition is decreased by increasing the particle size. From the point of being able to do, the thing with a large particle size is preferable among the said range.

  In addition, when a particle size is 200 micrometers or less, it can suppress that the surface property of a molded object and the mechanical physical property of a resin composition fall.

  Among the above inorganic fillers, metal carbonates such as calcium carbonate and zinc carbonate that play an aggregate role in particular; water-containing inorganic substances such as aluminum hydroxide and magnesium hydroxide that give an endothermic effect when heated in addition to the role as an aggregate Is preferred.

  It is considered that the combined use of the hydrated inorganic substance and the metal carbonate greatly contributes to improving the strength of the combustion residue and increasing the heat capacity.

  Among the inorganic fillers, in particular, water-containing inorganic substances such as aluminum hydroxide and magnesium hydroxide are endothermic due to the water generated by the dehydration reaction during heating, and the temperature rise is reduced and high heat resistance is obtained. This is preferable in that the oxide remains as a combustion residue and this acts as an aggregate to improve the strength of the combustion residue.

  Magnesium hydroxide and aluminum hydroxide have different temperature ranges that exhibit dehydration effects, so when used together, the temperature range that exhibits dehydration effects becomes wider, and more effective temperature rise suppression effects can be obtained. It is preferable to do.

  When the particle size of the water-containing inorganic substance is small, the bulk increases and it becomes difficult to achieve high filling. Therefore, in order to increase the dehydration effect, a large particle size is preferable.

  Specifically, it is known that when the particle size is 18 μm, the filling limit amount is improved by about 1.5 times compared to the particle size of 1.5 μm.

  Further, by combining a large particle size and a small particle size, higher packing can be achieved.

  As a commercial item of the said water-containing inorganic substance, for example, as aluminum hydroxide, “trade name: Hygielite H-42M” (manufactured by Showa Denko) with a particle diameter of 1 μm, “trade name: Hygilite H-31 with a particle diameter of 18 μm”. (Made by Showa Denko KK) and the like.

  Examples of commercially available calcium carbonate include “trade name: Whiten SB red” (manufactured by Shiraishi Calcium Co., Ltd.) having a particle size of 1.8 μm, and “trade name: BF300” (manufactured by Bihoku Flourishing Co., Ltd.) having a particle size of 8 μm Etc.

  As explained at the beginning, as the heat-expandable refractory material used in the present invention, the resin composition containing the above-described reaction-curable resin resin component, heat-expandable component, inorganic filler, etc., and the above-mentioned phosphorus compound Examples of these compounds are described below.

  The thermally expandable refractory material preferably contains 5 to 100 parts by weight of the reactive curable thermal expansion component and 10 to 200 parts by weight of the inorganic filler with respect to 100 parts by weight of the reactive curable resin component. .

  The total of the reactive curable thermal expansion component and the inorganic filler is preferably in the range of 20 to 300 parts by weight.

  Such a thermally expandable refractory material expands due to heat from a fire or the like to form a thermally expanded residue. According to this composition, the heat-expandable material is expanded by heat such as a fire, and a necessary volume expansion coefficient can be obtained, and after expansion, a thermal expansion residue having a predetermined heat insulation performance and a predetermined strength. Can be formed, and stable fire resistance can be achieved.

When the amount of the reactive curable thermal expansion component is 10 parts by weight or more, the necessary expansion ratio can be obtained, so that sufficient fire resistance and fire prevention performance can be obtained.
On the other hand, the fluidity | liquidity in 25 degreeC of the said thermally expansible refractory material can be ensured as the quantity of the said thermal expansion component is 150 weight part or less.

Further, when the amount of the inorganic filler is 50 parts by weight or more, there is little volume reduction of the thermal expansion residue after combustion, and a thermal expansion residue for fireproof insulation is obtained.
Furthermore, since the ratio of combustible material increases, flame retardancy may decrease.

  On the other hand, the fluidity | liquidity in 25 degreeC of the said thermally expansible refractory material can be ensured as the quantity of an inorganic filler is 300 weight part or less.

  When the total amount of the thermal expansion component and the inorganic filler in the thermally expandable refractory material is 60 parts by weight or more, the amount of the thermal expansion residue after combustion is not insufficient, and sufficient fire resistance can be easily obtained. Deterioration of physical properties is small and suitable for actual use.

  Furthermore, the thermally expandable refractory material used in the present invention is a plasticizer such as phthalic acid ester, adipic acid ester, phosphoric acid ester, phenolic, amine, etc., as long as the object of the present invention is not impaired. -Based, sulfur-based antioxidants, heat stabilizers, metal damage inhibitors, antistatic agents, stabilizers, cross-linking agents, lubricants, softeners, pigments, tackifier resins, additives, polybutene, petroleum resins Or the like.

The viscosity at 25 ° C. of the thermally expandable refractory material used in the present invention is preferably in the range of 1000 to 100,000 mPa · s based on the value before being injected into the building member hollow portion.
When the viscosity is 1000 mPa · s or more, the thermally expandable refractory material can be easily filled even in a narrow gap in the hollow portion of the resin frame material. In addition, the pressure for injecting the thermally expandable refractory material into the resin frame material hollow portion, the pressure of the injection device, and the like do not become higher than necessary, and injection can be performed easily.
When the viscosity is 100,000 mPa · s or less, it is difficult to entrain air when the thermally expandable refractory material is injected into the resin frame material hollow portion, and it becomes easy to inject a desired filling amount. In addition, since each component of the thermally expandable refractory material is difficult to separate during injection and can be prevented from becoming non-uniform, the composition of the thermally expandable refractory material is kept uniform in the resin frame hollow portion. And the desired fire resistance can be exhibited.
The viscosity is more preferably in the range of 2000 to 60000 mPa · s, and still more preferably in the range of 3000 to 40000 mPa · s.

  Adjustment of the viscosity of the said thermally expansible refractory material can be adjusted by selecting the kind etc. of the reaction curable resin component of the thermally expansible refractory material used for this invention. By selecting a liquid reaction curable resin component having a low viscosity at 25 ° C., the viscosity of the thermally expandable refractory material at 25 ° C. can be reduced. Conversely, by selecting a liquid reactive curable resin component having a high viscosity at 25 ° C., the viscosity of the thermally expandable refractory material at 25 ° C. can be increased.

The viscosity of the thermally expandable refractory material can also be adjusted by changing the weight ratio of the thermal expansion component and the inorganic filler contained in the thermally expandable refractory material.
For example, the viscosity of the thermally expandable refractory material at 25 ° C. can be reduced by reducing the weight ratio of the thermally expandable component, inorganic filler, etc. contained in the thermally expandable refractory material. In addition, the viscosity can be reduced by appropriately selecting a liquid inorganic filler at a temperature of 25 ° C.
Conversely, increasing the weight ratio of the thermal expansion component, inorganic filler, and the like contained in the thermally expandable refractory material can increase the viscosity of the thermally expandable refractory material at 25 ° C.

The thermal expansion start temperature and the thermal expansion ratio of the thermally expandable refractory material can be changed by adjusting the thermal expansion start temperature and the thermal expansion ratio of the thermally expandable graphite contained in the thermal expandable refractory material, respectively. .
Since thermally expandable graphite having different thermal expansion start temperature and thermal expansion ratio is commercially available, the desired thermal expansion start temperature can be selected by selecting the desired thermal expansion start temperature and thermal expansion graphite having the thermal expansion ratio. And the said thermally expansible refractory material with a thermal expansion magnification is obtained.

Next, the manufacturing method of the said thermally expansible refractory material is demonstrated.
The method for producing the thermally expandable refractory material is not particularly limited. For example, a method of suspending the thermally expandable refractory material in an organic solvent, or heating and melting it to form a paint, a solvent In the case where a component that is a solid at 25 ° C. is included in the reaction curable resin component contained in the thermally expandable refractory material, such as a method of preparing a slurry by dispersing, the thermally expandable refractory material is used. The resin composition can be obtained by a method such as melting under heating.

  For the thermally expandable refractory material, each component of the thermally expandable refractory material is a known apparatus such as a single-screw extruder, a twin-screw extruder, a Banbury mixer, a kneader mixer, a kneading roll, a raikai machine, and a planetary stirrer. And kneading.

In addition, the main agent having a reactive functional group such as isocyanate group and epoxy group and the curing agent may be kneaded separately together with a filler, and kneaded with a static mixer, a dynamic mixer or the like immediately before injection. .
Further, the components of the heat-expandable refractory material excluding the catalyst and the catalyst can be kneaded in the same manner immediately before injection.

  By the method described above, the thermally expandable refractory material used in the present invention can be obtained.

Since the thermally expandable refractory material obtained as described above has fluidity at a temperature of 25 ° C., it can be injected into the hollow portion of the resin frame material.
Here, having fluidity means that the thermally expandable refractory material does not have a certain shape when left standing, and has no fluidity, means that the thermally expandable refractory material is left standing. A case having a certain shape.

The heat-expandable refractory material is not particularly limited as long as it is thermally insulated by the expansion layer when exposed to a high temperature such as a fire, and has the strength of the expansion layer, but is heated at 600 ° C. for 30 minutes. It is preferable if the volume expansion coefficient after heating under conditions is in the range of more than 1 to 5 times.
When the volume expansion rate is less than 1 time, the expansion volume may not be able to fully fill the burned-out portion of the resin component, and fire prevention performance may be reduced. On the other hand, if it exceeds 5 times, the strength of the expansion layer is lowered, and the effect of preventing the penetration of the flame may be lowered. More preferably, the volume expansion coefficient is in the range of 1.2 to 5 times, and more preferably in the range of 1.3 to 4 times.

In order for the expansion layer to be self-supporting, the expansion layer needs to have a high strength. As the strength, the sample of the expansion layer is set to 0 using a 0.25 cm ² indenter in a compression tester. It is preferable that the stress at break when measured at a compression speed of 0.1 m / s is 0.05 kgf / cm ² or more. If the stress at break is less than 0.05 kgf / cm ² , the adiabatic expansion layer may not be self-supporting and the fireproof performance may be reduced. More preferably, it is 0.1 kgf / cm ² or more.

  EXAMPLES Next, although an Example demonstrates this invention based on drawing, this invention is not limited at all by these Examples.

[Fireproof structure of fixed resin sash 500]
In Example 1, the fireproof structure 500 of the resin sash was produced and the fireproof test was implemented. This test and its results will be described. The structure of the resin sash fire prevention structure 500 according to Example 1 is the same as that of the resin sash fire prevention structure 100 according to the first embodiment described above. Since the same thing as 3 is the same as the resin sash fireproof structure 100 according to the first embodiment, the description thereof is omitted.

  FIG. 18 is a schematic front view for explaining the structure of the fireproof structure 500 for a resin sash according to the first embodiment of the present invention. FIG. 19 is an enlarged cross-sectional view of a principal part taken along line AA of FIG. 18 of the fireproof structure 500 for a resin sash according to the first embodiment.

  As shown in FIG. 18, a fire-resistant plate material 520 made of glass is supported by a resin frame material 510 made of hard vinyl chloride in which a hollow portion is formed along the longitudinal direction.

Further, in order to reproduce an opening of a structure such as a house for a fire resistance test, a calcium silicate plate 504 surrounds the fire resistant plate member 520 and the resin frame member 510 without a gap.
A plurality of hollow portions are provided along the longitudinal direction inside the resin frame member 510 used in the fireproof structure 500 of the resin sash.

Next, according to the composition shown in Table 1, the thermally expandable refractory material 15 was divided into A component and B component, and each component was stirred using a planetary stirrer.
Specifically, a polyurethane resin was used as the thermally expandable refractory material. A polyether polyol was used as a curing agent for the polyurethane resin as the resin component of the A component, and a polyisocyanate compound was used as the main component of the polyurethane resin as the resin component of the B component.
The polyisocyanate compound as the main component of the urethane resin and the polyether polyol as the curing agent have an isocyanate index [(number of moles of isocyanate groups) / (number of moles of all active hydrogen groups including water) × 100] of 105. It adjusted so that it might become.

Next, the viscosities of component A and component B were measured. The viscosity was measured at 25 ° C. using a B-type rotary viscometer (manufactured by Viscotec). The number of rotations of the B-type rotary viscometer at the time of measurement was 30 rpm for the A liquid, the R2 spindle was used, the B liquid was 20 rpm, and the R6 spindle was used.
The respective viscosities of the obtained A component and B component were added at the ratio of the weight ratio of the A component and B component to obtain the overall viscosity. This value is shown in Table 1.

Next, as shown in FIG. 18 and FIG. 19, among the hollow portions of the resin frame material 510 made of hard vinyl chloride in which hollow portions are formed along the longitudinal direction, The A component and the B component were injected over the entire circumference of the resin frame member 510 while maintaining the above mixing ratio.
The injected thermally expandable refractory material 15 was cured while foaming inside the hollow portion and lost fluidity to form a urethane resin foam.

The thermal expansion start temperature of the thermally expandable refractory material 15 was 210 ° C.
The thermal expansion start temperature in the present invention is literally a temperature at which expansion starts by heat. When the test piece is carefully heated, it can be confirmed that the test piece starts to expand. The temperature at which this expansion can be confirmed with the naked eye is the thermal expansion start temperature.

The thermal expansion ratio of the heat-expandable refractory material 15 was 1.5 under a heating condition of 600 ° C. × 30 minutes.
The thermal expansion ratio in the present invention can be calculated from the volume change of the test piece before and after heating.
The test piece is heated in an electric furnace at 600 ° C. for 30 minutes, and the change in the volume of the test piece before heating and the volume of the test piece after heating is expressed in percentage as the thermal expansion ratio.

In FIG. 18, the non-combustible reinforcing material 80 is inserted in the longitudinal direction of the hollow portion of the resin frame material 510 indicated by the portions X, Y, and Z surrounded by a broken line.
The incombustible reinforcing material 80 is not inserted in the longitudinal direction of the hollow portion of the resin frame member 510 other than the portions X, Y, and Z surrounded by the broken line, and only the thermally expandable refractory material 15 is injected.
As in the case of the first embodiment, the non-combustible reinforcing material 80 has a U-shaped cross section. The incombustible reinforcing material 80 is made of a metal material.
As shown in FIG. 6 described above, a thermally expandable refractory material 15 is injected between the one-dot broken line BB and the one-dot broken line CC.
This relationship is the same for all the hollow portions included in the resin frame material 510.

As shown in FIG. 18, the non-combustible reinforcing material 80 needs to be inserted into the hollow portion of the lower frame 14. The incombustible reinforcing material 80 is preferably installed in all or a part of the hollow portion of the lower frame 14, and the incombustible reinforcing material is contained in 80 to 100% based on the longitudinal direction of the hollow portion of the lower frame 14. 80 is preferably installed.
The incombustible reinforcing material 80 inserted into the hollow portions of the vertical frames 11 and 12 is preferably installed in all or part of the hollow portions of the vertical frames 11 and 12. It is preferable that the non-combustible reinforcing material 80 is installed inside 10 to 500% with respect to the longitudinal direction, and the non-combustible reinforcing material 80 exists in the cross section of the central portion of the hollow portion of the vertical frames 11 and 12. More preferably.

  The thermally expandable refractory material 15 is injected between the hollow portion of the resin frame member 510 and the portion 581 that is substantially perpendicular to the side surface of the fire-resistant plate member 520 of the incombustible reinforcing member 80. Therefore, it is possible to prevent the fire resistance of the resin frame member 10 from being lowered.

[Fire resistance test]
A fireproof test was performed on the fireproof reinforcing building member 200 according to the conditions of ISO834. The fire resistance test was conducted until the flame penetrated the fireproof reinforcing building member 200.
As a result of this fire resistance test, a case where no flame leakage was observed for 20 minutes or more from the surface opposite to the heating surface was evaluated as ◯, and a case where flame leakage was observed in less than 20 minutes was evaluated as x. The results are shown in Table 2.

  With the start of the fire resistance test, the thermally expandable refractory material 15 on the heating surface side expanded to form a thermal expansion residue. Even after 20 minutes had passed since the start of the fire resistance test, no flame leakage was observed in the fire resistant reinforcing building member 200 of Example 1.

[Independence test of thermal expansion residue]
The thermal expansion residues obtained from the thermally expandable refractory materials 15 after the fire resistance test were collected, respectively, and the self-supporting properties of the respective thermal expansion residues were observed.
The case where the thermal expansion residue does not collapse due to its own weight and maintains a constant shape was marked as ◯, and the case where the thermal expansion residue collapsed due to its own weight was marked as x. The results are shown in Table 2.

[Opening resin sash fireproof structure 600]
In Example 2, the fireproof structure 600 of the resin sash was produced and the fireproof test was implemented. This test and its results will be described. The structure of the fireproof structure 600 of the resin sash according to the second embodiment is the same as that of the fireproof structure 200 of the resin sash according to the second embodiment described above. Since the same thing as 9 is the same as the resin sash fire prevention structure 200 according to the second embodiment, the description thereof will be omitted.

  FIG. 20 is a schematic front view for explaining the structure of the fireproof structure 600 for a resin sash according to the second embodiment of the present invention. FIG. 21 is an enlarged cross-sectional view of a principal part taken along line AA in FIG. 20 of the fireproof structure 600 for a resin sash according to the second embodiment.

As shown in FIG. 20, the frame 602 was used as compared with the case of Example 1.
A fire-resistant plate material 620 made of glass is supported by a resin frame material 610 made of hard vinyl chloride in which a hollow portion is formed inside along the longitudinal direction,
An open resin sash including the fire-resistant plate material 620 and the resin frame member 610 is connected to be opened and closed by a hinge 603;
The difference is that the non-combustible reinforcing material 280 is inserted into the hollow portion in the longitudinal direction of all the resin frame members 610 as the shoji.
The same fire resistance test and self-supporting test as in Example 1 were performed.
The results are shown in Table 2.

[Vertical sliding resin sash fireproof structure 700]
In Example 3, a fireproof structure 700 of a resin sash was produced and a fire resistance test was performed. This test and its results will be described. The structure of the fireproof structure 700 of the resin sash according to the third embodiment is the same as that of the fireproof structure 300 of the resin sash according to the third embodiment described above. The same components as 13 are the same as the resin sash fireproof structure 300 according to the third embodiment, and thus the description thereof is omitted.

  FIG. 22 is a schematic front view for explaining the structure of the fireproof structure 700 for a resin sash according to the third embodiment of the present invention. FIG. 23 is an enlarged cross-sectional view of a principal part taken along line AA in FIG. 22 of the fireproof structure 700 for a resin sash according to the third embodiment.

As shown in FIG. 22, compared with the case of Example 2, a plate material 720 having a fire resistance made of glass has a resin frame material made of hard vinyl chloride in which a hollow portion is formed inside along the longitudinal direction. Supported by 710,
The difference is that an open resin sash including the fire-resistant plate member 720 and the resin frame member 710 is slidably connected by a movable arm 763.
The same fire resistance test and self-supporting test as in Example 2 were performed.
The results are shown in Table 2.

[Drawing resin sash fireproof structure 800]
In Example 4, the fireproof structure 800 of the resin sash was produced and the fireproof test was implemented. This test and its results will be described. The structure of the fireproof structure 800 of the resin sash according to the fourth embodiment is the same as that of the fireproof structure 400 of the resin sash according to the above-described fourth embodiment. The same as 16 is the same as the resin sash fire prevention structure 400 according to the fourth embodiment, and thus the description thereof is omitted.

  FIG. 24 is a schematic front view for explaining the structure of the fireproof structure 800 for a resin sash according to the fourth embodiment of the present invention. FIG. 25 is an enlarged cross-sectional view of a principal part taken along line AA of FIG. 24 of the fireproof structure 800 for a resin sash according to the fourth embodiment.

As shown in FIG. 24, the sliding resin sash used in Example 4 is installed in a frame 802 so as to be able to be pulled, and the resin frame members 810 and 810 as two sets of shojis, and the inside has fire resistance. Plate members 820 and 820 having the same.
The same fire resistance test and self-supporting test as in Example 2 were performed.
The results are shown in Table 2.

[Fireproof structure of differential resin sash 800a]
The differential resin sash fireproof structure 800a according to the fifth embodiment is a modification of the differential resin sash fireproof structure 800 according to the fourth embodiment.

FIG. 26 is an enlarged cross-sectional view of a main part of a fireproof structure 800a for a resin sash according to a fifth embodiment.
In the case of Example 4, the nonflammable reinforcing material 880 was provided with an opening having a U-shaped cross section in a direction perpendicular to the surface of the plate material 820 having fire resistance.
On the other hand, in the case of Example 5, the incombustible reinforcing material 880a is installed in the horizontal direction with the surface of the plate material 820 having the fire resistance, and an opening having a U-shaped cross section is installed on the opposite side to the plate material 820 having the fire resistance. Is different. The rest is the same as in the fourth embodiment.
The same fire resistance test and self-supporting test as in Example 4 were performed.
The results are shown in Table 2.

[Comparative Example 1]
[Fireproof structure of sliding resin sash 800b]
The differential resin sash fireproof structure 800b according to Comparative Example 1 is a modification of the differential resin sash fireproof structure 800 according to the fourth embodiment.

FIG. 27 is an enlarged cross-sectional view of a main part of a fireproof structure 800b for a resin sash according to Comparative Example 1.
In the case of Example 4, the nonflammable reinforcing material 880 was provided with an opening having a U-shaped cross section in a direction perpendicular to the surface of the plate material 820 having fire resistance.
On the other hand, in the case of Comparative Example 1, the U-shaped opening of the incombustible reinforcing material 880b is installed in the direction of the plate material 820 having the fire resistance, and has the fire resistance with the incombustible reinforcing material 880b. The difference is that the plate 820 is not connected.
The same fire resistance test and self-supporting test as in Example 4 were performed.
The results are shown in Table 2.
In the case of Comparative Example 1, the plate material 820 having the fire resistance was bent during the fire resistance test, and a flame leak was observed.

[Comparative Example 2]
[Fireproof structure of differential resin sash 800c]
The differential resin sash fireproof structure 800c according to Comparative Example 2 is a modification of the differential resin sash fireproof structure 800 according to the fourth embodiment.

FIG. 28 is an enlarged cross-sectional view of a main part of a fireproof structure 800c for a resin sash according to Comparative Example 2.
In the case of Example 4, the nonflammable reinforcing material 880 was provided with an opening having a U-shaped cross section in a direction perpendicular to the surface of the plate material 820 having fire resistance.
On the other hand, in the case of the comparative example 2, compared with the case of the example 4, the U-shaped opening of the non-combustible reinforcing material 880c is installed in the opposite direction by 180 degrees.
Moreover, the point that the thermally expansible refractory material 15 is not inject | poured between the said nonflammable reinforcement material 880c and the outermost surface 811d of the resin frame material 810 which has the said hollow part differs.
Furthermore, in the case of the comparative example 2, the point which the said nonflammable reinforcement material 880c and the board | plate material 820 which has the said fire resistance are not connected differs.
The results are shown in Table 2.
In the case of Comparative Example 2, the plate material 820 having the fire resistance was bent during the fire resistance test, and a flame leak was observed.

1 Structure 10, 210, 310, 410, 510, 610, 710, 810 Resin frame material 11, 12 Vertical frame 211, 212, 311, 312, 411, 412, 511, 512, 611, 612 Vertical rod 11a, 11b , 12a, 12b, 211a, 211b, 211c, 212a, 212b, 212c, 411a, 411b, 411c, 412a, 412b, 412c Hollow part 11c, 12c Packing installation part 11d Outermost surface 13 Upper frame 14 Lower frame 15, 215, 315 , 415 Thermally expandable refractory material 20, 220, 320, 420, 520, 620, 720, 820 Fire-resistant plate material 21, 221 Plate material surface 22, 222 Plate material side surface 30, 31, 230, 231, 331, 431 Plate material support 32, 33, 232, 233, 235 Packing 40 , 240, 440 Support member 41, 441 Support member surface 50, 51 Fixing member 80, 280, 880, 880a, 880b Non-flammable reinforcement 81, 581 Portion of the non-flammable reinforcement 82, 83 Parallel parts 100, 200, 300, 400, 500, 600, 700, 800 Resin sash fire prevention structure 202, 302, 402 Frame 203, 364, 603 Hinge 204 Opening / closing device 213, 313, 413, 513, 613 214, 314, 414, 514, 614 Lower arm 504 Calcium silicate plate 360 Substrate plate 361, 362 Movable arm A Refractory surface

Claims (13)

A resin frame member having a hollow portion in the longitudinal direction;
A thermally expandable refractory material injected into the hollow portion of the resin frame material;
A non-combustible reinforcing material inserted into the hollow portion of the resin frame material;
A plate material having fire resistance installed in an opening formed by the resin frame material;
A support member for supporting the fire-resistant plate,
A fixing member for fixing the support member and the incombustible reinforcing material;
A resin sash fireproof structure having
The non-combustible reinforcing material has a portion that is substantially perpendicular to a side surface of the fire-resistant plate material and a portion that is substantially parallel to the side surface of the fire-resistant plate material,
A portion that is substantially parallel to a side surface of the fire-resistant plate material included in the non-combustible reinforcing material, and the support member are fixed by the fixing member,
Between the portion that is substantially perpendicular to the side surface of the fire-resistant plate material included in the non-combustible reinforcing material, and the outermost surface that faces the substantially perpendicular portion of the resin frame member having the hollow portion. A fireproof structure for a resin sash, characterized in that a thermally expandable refractory material is injected.   The shape of the substantially vertical cross section with respect to the longitudinal direction of the incombustible reinforcing material is at least one selected from the group consisting of a T shape, an L shape, an H shape, and a shape obtained by removing a part from a polygonal cylinder. Item 2. A fireproof structure for a resin sash according to Item 1.   A heat-expandable refractory material is injected into the hollow portion of the resin frame material, and a fire-proof surface is formed with no gaps along with the fire-resistant plate material along a surface parallel to the fire-resistant plate material surface. The fireproof structure of the resin sash of Claim 1 or 2. The non-combustible reinforcing material is inserted into a hollow part of the lower arm of the resin frame material;
The non-combustible reinforcing material is inserted into at least one selected from the group consisting of a hollow portion of a vertical gutter of the resin frame material and a hollow portion of an upper gutter of the resin frame material. The fireproof structure of the resin sash as described in 2.   The fireproof structure of a resin sash according to any one of claims 1 to 4, wherein the noncombustible reinforcing material is made of at least one of a metal material and an inorganic material.   6. The fire protection of a resin sash according to claim 1, wherein a thermal expansion ratio of the thermally expandable refractory material is in a range of more than 1 and 5 times or less under a heating condition of 600 ° C. × 30 minutes. Construction.   The fireproof structure for a resin sash according to any one of claims 1 to 6, wherein the support member is made of at least one of a metal member having a U-shaped cross section and an inorganic member. The viscosity at 25 ° C. of the thermally expandable refractory material before the thermally expandable refractory material is injected into the hollow portion of the resin frame material is in a range of 1000 to 100,000 mPa · s,
The resin sash according to any one of claims 1 to 7, wherein the thermally expandable refractory material loses fluidity in the hollow portion of the resin frame member at 25 ° C after being injected into the hollow portion of the resin frame member. Fire prevention structure.   The fireproof structure for a resin sash according to any one of claims 1 to 8, wherein the thermally expandable refractory material includes at least a reactive curable resin component, a thermally expandable component, and an inorganic filler. The reaction curable resin component contained in the thermally expandable refractory material is urethane resin foam, isocyanurate resin foam, epoxy resin foam, phenol resin foam, urea resin foam, unsaturated polyester resin foam, alkyd resin foam, melamine resin foam. The fireproof structure of a resin sash according to any one of claims 1 to 9, which is at least one selected from the group consisting of diallyl phthalate resin foam and silicone resin foam.   The fireproof structure of the resin sash in any one of Claims 1-10 in which the said fixing member has penetrated the said support material.   The fixing member passes through the support member and the resin frame member, and fixes a surface of the support member facing the side surface of the fire-resistant plate and an outer peripheral surface of the resin frame member. The fireproof structure of the resin sash in any one of 1-11.   The resin according to any one of claims 1 to 12, wherein the resin sash is at least one selected from the group consisting of a fixed resin sash, a sliding resin sash, an open resin sash, a longitudinal sliding resin sash, and a side sliding resin sash. Sash fireproof structure.

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