JP3421682B2 - Lower part mold material - Google Patents

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a lightweight accessory lower mold material having excellent waterproofness, wearability, durability, and fireproofness by accommodating the end portions between the interior and exterior materials of buildings and structures.

[0002]

2. Description of the Related Art Generally, accessories such as projecting corners, entering corners, drainers, joiners, parting edges, etc. used for mounting interior and exterior materials are aluminum extruded products, bent steel products,
Vinyl chloride resin extruded products, inorganic extruded products, etc. were used.

[0003]

However, the heat resistance is as low as 680 ° C. and the thermal conductivity is good, which causes dew condensation, and there is a lot of looseness in the fitting portion and the airtightness is poor. The above has higher heat resistance and thermal conductivity than aluminum products,
It has the disadvantage of being inferior in accuracy and anticorrosion property. The above has a low heat resistance of 80 ° C, and it emits extremely much smoke when heated.
In the steady state, the thermal conductivity is low, the occurrence of dew condensation is small, and the "backlash" in the fitting part is also small. The above is heavy and has a high thermal conductivity, causes dew condensation, and cannot be expected to be compatible with the substrate at all.

[0004]

In order to eliminate such drawbacks, the present invention uses a synthetic resin hard base material having a fireproof property, an anticorrosive property, and a low thermal conductivity as a lower part material for an accessory. Proposal of a lower part mold material in which the mechanical strength is improved by mixing the resol type phenolic resin powder in the synthetic resin and the non-combustible fiber at the center or the surface of the hard base material. Is.

[0005]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENT An embodiment of the accessory lower mold material according to the present invention will be described in detail below with reference to the drawings. 1 and 2
Shows a typical example of an accessory lower mold material according to the present invention and a construction drawing thereof, for example, a perspective view and a construction state cross-sectional view showing a Joiner lower mold material, 1 is a lower accessory mold material, 2 is a synthetic resin hard material A base material, 6 is a locking portion, 7 is a locking groove, 8 is a vertical protrusion, 9 is a mounting portion, 10 is a protruding rib, and 11 is a mounting groove.

To explain further, the lower part mold material 1 is shown in FIG.
(A) and (b) are formed in an enlarged manner, and (a) is a case where the non-combustible fiber 5 is integrally fixed to both surfaces of the synthetic resin hard base material 2, The figure shows the case where the noncombustible fiber 5 is integrally interposed in the central portion of the resin of the accessory lower mold material 1.

More specifically, a synthetic resin hard substrate 2
Is a synthetic resin component 3 and a resole-type phenol resin powder 4 which is contained in the synthetic resin component 3 integrally in the center of the hard base material 2 made of synthetic resin, or non-combustible fibers 5 are integrally fixed on both sides. It is a configuration.

The synthetic resin component 3 comprises at least one of vinyl chloride resin, acrylic resin, polyester resin, polyurethane resin, phenol resin, alkyd resin, polycarbonate resin and the like.

The resol type phenol resin powder 4 is, for example, spherical and has a size of about 0.05 to 0.1 mm, a bulk density of 0.065 to 0.8 g / cm ³ , and (a) a heat melting type, There are four types, such as (b) partially heat-melting type, (c) heat-unmelting type, and (d) firing type, and particularly in the case of a true sphere, the fluidity is good. The purpose of this resol type phenolic resin powder 4 is to increase the heat resistance of a resin lacking heat resistance, improve the mechanical strength of a resin lacking compressive strength, improve weather resistance, enhance the cosmetic appearance, and improve the flow during molding of synthetic resin. This is for improving sex. The addition amount varies depending on the purpose, but is, for example, 10 to 500 parts by weight relative to 100 parts by weight of the raw material of the main synthetic resin component 3.

The non-combustible fiber 5 mainly serves to strengthen the mechanical strength of the synthetic resin hard base material 2 and as a shape-retaining fiber at the time of extrusion, such as long fiber, short fiber and cloth-like material. It is made of one kind, and the material of the fiber is made of one kind of glass fiber, carbon fiber, alumina fiber, calcium carbonate fiber and the like, and also includes the case where a synthetic resin is used as a binder.

Further, the engaging portion 6 is formed by an engaging groove 7 having a substantially U-shaped cross section and a vertical projection 8 protruding into the engaging groove 7.
The mounting portion 9 is configured by a rain rib and a reinforcing rib 10 for reinforcement, and a mounting groove 11 indicating a mounting position of a fixing (nail or the like) tool.

Next, in order to evaluate the heat resistance and the dew resistance (thermal conductivity) of the accessory lower mold material according to the present invention, the accessory lower mold material 1 having the structure shown in FIG. The synthetic resin hard base material 2 is a vinyl chloride resin 100 as the synthetic resin component 3.
100 parts by weight of the resol type phenol resin powder 4 having an average particle diameter of 0.05 mmφ, and the nonflammable fiber 5 is a glass fiber nonwoven fabric having a thickness of 0.5 mm and a weight of 300 g /
m ² and fiber thickness 0.5 mmφ.

Therefore, as Example 1, synthetic resin component 3 is used.
For example, the resol type phenol resin powder 4 is added to and mixed with vinyl chloride resin, and the non-combustible fiber 5 made of glass fiber non-woven fabric is provided on one side (back side) of the locking groove 7 inside the locking portion 6.
1 has a structure in which 30 parts by weight of the resol-type phenol resin powder 4 is used as a unit.
It is assumed that the accessory lower mold member 1 shown in FIG. 1, in this case, the Joiner lower mold member is manufactured. The thickness t was 1.5 mm. Further, as Comparative Example 1, a vinyl chloride resin simple substance was used, and as Comparative Example 2, an aluminum alloy extruded product which was the same as that shown in FIG. 1 was manufactured.

The test results are shown in FIG. ΔW is a unit of the opening size of the tip of the locking groove 7 is Kcal / mh ° C. The room is heated to 20 ° C determined by the test result according to JIS-A-1321 and the outside air temperature is 0 ° C. Humidity 6
Condensation occurs at 0%. The mechanical strength (bending) of Examples 1 and 2 was about twice or more that of Comparative Example 1.

The above description is only one example of the accessory lower mold material according to the present invention, and it can be formed as shown in FIGS. That is, FIGS. 4 (a) to 4 (c) are cross-sectional configuration diagrams, where FIG. 4 (a) is a projecting lower corner material, FIG. 4 (b) is a lower corner material, and FIG. FIG. 5 shows the case where the surface of the noncombustible fiber 5 is covered with the resin coating film 12. Further, in FIG. 6, the incombustible fiber 5 may be embedded in the synthetic resin hard base material 2 as shown in the drawing. Further, although not shown, the synthetic resin component 3 may be mixed with the long and short fibers of the non-combustible fiber 5.
The resol type phenol resin powder 4 is not shown in FIG.

[0016]

As described above, according to the accessory lower mold material of the present invention, the characteristics of the synthetic resin, namely, the spoilage resistance, the lightness, and the
We made effective use of moldability and low thermal conductivity, and added fire protection to this. No condensation due to low thermal conductivity. It is possible to completely prevent deformation of locking grooves and the like, which are important in construction in terms of heat resistance. Mechanical strength is greatly enhanced by the inclusion of non-combustible fibers, sandwiches, etc. There are characteristics and effects.

[Brief description of drawings]

FIG. 1 is a perspective view showing an embodiment of an accessory lower mold material according to the present invention.

FIG. 2 is a cross-sectional view showing a construction state of an accessory lower mold material according to the present invention.

FIG. 3 is an explanatory view showing, on an enlarged scale, a part of a synthetic resin hard base material which is a main part of the accessory lower mold material according to the present invention.

FIG. 4 is a sectional view showing another embodiment of the accessory lower mold material according to the present invention.

FIG. 5 is a cross-sectional view showing another embodiment of the accessory lower mold material according to the present invention.

FIG. 6 is a cross-sectional view showing another embodiment of the accessory lower mold material according to the present invention.

FIG. 7 is a table showing performance test results of the accessory lower mold material according to the present invention.

[Explanation of symbols]

1 Lower part material 2 Hard base material made of synthetic resin 3 synthetic resin components 4 Resol type phenol resin powder 5 Non-combustible fiber 6 Locking part 7 locking groove 8 vertical protrusions 9 Mounting part 10 protruding ribs 11 mounting groove 12 Resin coating

Claims (2)

(57) [Claims] 1. A synthetic resin hard base material containing a resol type phenol resin powder as a synthetic resin component, wherein noncombustible fibers are integrally interposed or fixed to the center or surface of the hard base material. Material lower mold material. 2. The synthetic resin component is vinyl chloride resin, acrylic resin, polycarbonate resin, polyester resin,
The accessory lower mold material according to claim 1, which is made of one kind of polyurethane resin or the like.