JP2006230310A - Method for fixing bryophyte plant supporting body - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a method for fixing a bryophyte plant supporting body without damaging a rooftop body when laying the bryophyte plant supporting body on the rooftop of a building. <P>SOLUTION: This method for fixing the bryophyte plant supporting body 2 comprises clipping at least bryophyte plants between two fiber aggregations 21a and 21b, making the fibers of the two fiber aggregations 21a and 21b partly wind around each other with a mechanical winding means to laminate and unify, and sticking the lower side of the bryophyte plant supporting body 2 set with artificial lawn leaflike bodies 23 to a surface to be fixed with a metamorphic silicone adhesive 1 of a one-pack hardening type. As a result of this, it is unnecessary to drive what we call, an anchor into the rooftop body H, so a waterproof layer laid under the surface of the rooftop body H and preventing rainwater from invading a building is not damaged, and waterproof effect is kept for a long period. <P>COPYRIGHT: (C)2006,JPO&NCIPI

Description

  The present invention relates to a method for fixing a bryophyte plant carrier that can be suitably used for greening rooftops, wall surfaces, road structures, and the like of buildings with bryophytes.

  In summer, especially in large cities, the so-called heat island phenomenon, in which the temperature in the city center is 4 to 6 degrees higher than in the suburbs, is seen as a problem. Some wards have been constructed with ordinances that obligate greening at a certain rate.

  In a building, if greening is performed, the part that can be greened is limited to the rooftop or the wall surface. When applying plants that require soil such as trees or lawns to these places, the first problem is the weight, and if the structure cannot support the weight of the soil, use them. It is difficult to plant trees. In addition, in the case of greening the wall surface, a complicated mechanism is required, such as providing a planting basket. In many cases, irrigation equipment is required, which complicates the equipment and requires maintenance. The plant itself needs to be regularly maintained, and the wall surface is very laborious.

  As a solution to these problems, proposals for greening using bryophytes have been made in recent years. Unlike succulent plants such as trees, lawn, sedum, etc., which have been used in the past by using bryophytes, they can be grown almost without soil and green on the rooftops and walls of buildings. In addition, bryophytes have high water retention capacity and can retain 10 to 20 times the weight of their own weight, and the heat island can reduce the temperature of the building due to the retained moisture and the transpiration of the moisture. The phenomenon can be suitably reduced.

  In addition, bryophytes do not die even if they continue to be dry, and they do not need to be irrigated because they are regenerated when water is given again due to rain, etc. do not do. Furthermore, since the efficiency of photosynthesis is not much different from that of trees and lawns, it can contribute to the fixation of carbon dioxide at a high level.

  Various inventions have been proposed for use in greening, utilizing the characteristics of these bryophyte plants, forming bryophyte plant carriers in the form of sheets or mats, attaching them to the rooftop or wall surface, A method has been proposed in which a coating containing a bryophyte plant is sprayed on a wall surface or a slope.

  For example, Patent Document 1 discloses a long thin metal plate having an L-shaped cross section including a horizontal mounting plate portion extending in the longitudinal direction and a partition plate portion rising vertically from one side edge of the mounting plate portion. The presser is composed of a partition material fixed to the artificial ground and a long metal thin plate with a through hole formed thereon, and is disposed on the mounting plate portion via a vegetation mat and fixed to the artificial ground. A planting partition device characterized by comprising a member, a method of inserting a fixing rod made of a screw rod standing on an artificial ground, and screwing and fixing a nut to the protruding end side, A method is disclosed in which a lower end of a fixing rod made of a screw inserted into the mounting plate portion is screwed into a plug embedded in an artificial ground and fixed. Of course, bryophytes can be applied to the planting mat used for this.

Japanese Patent Laid-Open No. 2001-190152

  However, when using this fixing method to fix the bryophyte plant carrier to the roof roof of the building, it is necessary to drive a screw rod into the roof roof. There is a concern that the waterproof function may be impaired by penetrating the waterproof layer that prevents the waterproof function.

  The present invention has been made to solve the above problems, and provides a method for fixing a bryophyte plant carrier without damaging the roof skeleton when laying the bryophyte plant carrier on the roof of a building. It is something to be done.

  In order to achieve the above object, the present invention is configured as follows. That is, at least a bryophyte plant was sandwiched between two fiber aggregates, and the two fiber aggregates were partially entangled with each other by mechanical entanglement means to integrate them, and an artificial turf-like body was planted. The lower surface of the bryophyte plant carrier is bonded to the surface to be fixed with a one-component curable modified silicone adhesive.

  The one-component curable modified silicone adhesive has a viscosity of 1000 to 1400 Pa · S at 20 ° C.

  According to the present invention, at least a bryophyte plant is sandwiched between two fiber aggregates, and the two fiber aggregates are partially entangled with each other by mechanical entanglement means, and integrated and laminated. If the bottom surface of the bryophyte plant carrier planted with the moss is bonded to the fixed surface with a one-component curable modified silicone adhesive, the so-called anchor will not be driven into the roof cabinet, so the surface of the roof cabinet The waterproof layer which is laid under and prevents rainwater from entering the building is not damaged, and the waterproof effect can be maintained for a long time.

  In addition, when the one-component curable modified silicone adhesive used for the above-mentioned adhesion has a viscosity of 1000 to 1400 Pa · S at 20 ° C., when applied to the lower surface of the bryophyte plant support, Since the agent is less likely to sag, it is easy to apply and the adhesive force can be exerted without penetrating so much between the fibers on the lower surface of the bryophyte plant carrier.

Embodiments according to the present invention will be specifically described below with reference to the drawings.
FIG. 1 is a cross-sectional view showing an embodiment of the method for fixing a bryophyte plant carrier of the present invention. FIG. 2 is a perspective view showing a bryophyte plant carrier. H is a roof frame, 1 is a one-component curable modified silicone adhesive, 2 is a bryophyte plant carrier, and the lower surface of the bryophyte plant carrier 2 is bonded to the upper surface of the roof cabinet H. A plurality of rectangular bryophyte plant carriers 2 shown in FIG. 2 are laid in a desired area on the upper surface of the roof skeleton H.

  The one-component curable modified silicone adhesive 1 is a one-component adhesive mainly composed of a modified silicone resin such as polyoxypropylene ether having a methoxysilyl group, and is cured by moisture in the air. Is. Accordingly, since the one-component curable modified silicone adhesive 1 does not contain an organic solvent such as benzene, xylene, or toluene, the bryophyte plant may be discolored or die by the organic solvent. Can prevent adverse effects.

  The bryophyte plant carrier 2 is a sheet in which a bryophyte plant 22 is sandwiched between two fiber assemblies 21a and 21b, and fibers are entangled and laminated by mechanical entanglement means such as a needle punch. It has become. Further, the surface of the bryophyte plant support 2 is provided with a plurality of parallel portions c in which the fiber aggregates 21b mainly protrude from the surface by mechanical entanglement means. An artificial turf leaf-like body 23 is planted so as to intersect perpendicularly with the portion c projecting to the right. This artificial turf-like body 23 is planted so as to penetrate the bryophyte plant carrier 2, and a back sheet 24 is attached so that the artificial turf-like body 23 does not fall off.

  As a method for fixing the bryophyte plant carrier 2 to the roof skeleton H, the one-pack curable modified silicone adhesive 1 is applied to the upper surface of the roof skeleton H, and the bryophyte plant carrier 2 is installed thereon. Alternatively, the bryophyte plant carrier 2 in a state in which the one-component curable modified silicone adhesive 1 is applied to the back sheet 24 may be installed on the upper surface of the roof frame H. Further, the one-component curable modified silicone adhesive 1 is usually filled in a cartridge container equipped with a nozzle, and is generally applied by applying pressure to the cartridge container and extruding it from the tip of the nozzle during use. The part to be applied may be applied to the entire upper surface of the back sheet 24 or the roof frame H, or a cross-shaped shape passing through the vicinity of the outer periphery of the back sheet 24 and the center of the back sheet 24. It may be applied to the site.

  The kind of bryophyte plant 22 used for the bryophyte plant carrier 2 can be selected depending on the installation location. The bryophyte plant 22 is roughly divided into a circadian, a half-day negative, and a sun negative, each of which requires sunlight for growth, one that does not require much sunlight, and one that does not require sunlight. . For example, the sun-negative and half-day negative bryophytes 22 may be used in places where sunlight does not hit due to the installation direction or places where it is difficult to hit. For example, snails, high snails, high moss and the like are preferably used in the sunlight, and sippo moss, camojigoke, toyamashinoboke, cypress and the like are preferably used in the shade.

  In addition, when the bryophyte plant 22 is sandwiched between the two fiber aggregates 21a and 21b, another functional material may be added together with the bryophyte plant 22, for example, a material having water retention property, or the growth of the bryophyte plant 22 Materials that help. The material added at this time is preferably a material that is easily entangled with the bryophyte plant 22 so as to be easily integrated into a sheet shape. Specifically, for example, sphagnum heat and killed may be added, the water retention effect is high, and the bryophyte plant 22 is easily entangled. Moreover, since it is between plants, the growth of the bryophyte plant 22 is not adversely affected.

  The material and form of the fiber aggregates 21a and 21b are not particularly limited as long as they are made of fibers. For example, polyester, polyamide, polyolefin, acrylic, cellulose, polyurethane, aromatic nylon, polybenzimidazole. Woven fabrics and non-woven fabrics composed of synthetic fibers such as novoloid, composite fibers thereof, semi-synthetic fibers such as acetate, recycled fibers such as cupra and rayon, natural fibers such as silk, cotton and wool, or mixed fibers thereof A sheet-like material and a fiber web-like material can be used in combination. For example, a nonwoven fabric sheet may be used for the lower fiber assembly 21a, and a fiber web may be used for the upper fiber assembly 21b. Moreover, a biodegradable resin fiber may be used and may be used by mixing with the fiber.

  The fiber web shape described in the previous section is a lump of cotton-like fibers, and there are many gaps between fibers. If this fiber web-like material is pushed in by mechanical entanglement means such as a needle punch, each fiber is likely to enter the inside and easily entangle, so that the bryophyte plant 22 is suitably used in a relatively small amount. Can be fixed. Further, since the gap is large and the amount of fiber used is relatively small, it is difficult to inhibit the growth of the bryophyte plant 22, and the sunlight necessary for the growth reaches the internal bryophyte plant 22.

  The fiber thickness of the fiber aggregates 21a and 21b is not particularly limited as long as the fiber aggregate 21a and 21b are thick enough to enter and integrate the bryophyte plant 22 and the fiber aggregate by mechanical entanglement means. About 1 to 50 denier is preferable. If it is thinner than this, the fibers are easily removed and the bonding strength is weakened. The density of entanglement is preferably about 10 to 80 times per square centimeter. If there are more entanglement points than this, the strength of joining increases, but the degree of freedom of the plant decreases and growth may be inhibited. On the other hand, if there are few entanglement points, they are not sufficiently fixed, and the bryophytes 22 and fibers may fall off.

  Moreover, you may mix and use a water-soluble fiber and a water-insoluble fiber for the fiber of the fiber aggregates 21a and 21b. The blending amount is preferably about 20 to 90 percent of the fiber amount, and more preferably 50 to 80 percent. If the blending amount of the water-soluble fiber is too large, the amount of the fiber supporting the bryophyte plant 22 is reduced after the water-soluble fiber is dissolved, so that the bryophyte plant 22 easily falls off. Moreover, when the compounding amount is small, there are few gaps between fibers after dissolution, and the space where the bryophyte plant 22 grows is limited, which may inhibit growth. Moreover, when there are few compounding quantities of a water-soluble fiber, the adhesiveness will not fully express.

  The water-soluble fiber is not particularly limited, but polyvinyl alcohol is preferable. Polyvinyl alcohol is suitable because it exhibits neutrality when dissolved in water and does not harm the growth of the bryophytes 22. In addition, the water-insoluble fiber is not particularly limited, and those shown for fibers that can be used for the fiber assembly may be used. When mixing the water-soluble fiber with the fiber, it may be put into both the upper and lower fiber aggregates 21a and 21b, or the water-soluble fiber may be mixed only with the upper fiber aggregate 21b. If water-soluble fibers are added to the upper fiber assembly 21b, the bryophyte plant 22 grows upward, so that after fiber dissolution, the fiber density decreases and does not inhibit plant growth. Moreover, an adhesive component covers from the upper part of the bryophyte plant 22, and can fully express adhesiveness.

  Further, a fiber sheet 25 with relatively little expansion and contraction may be sandwiched between the lower fiber aggregate 21a of the bryophyte plant carrier 2 and the bryophyte plant 22, and as this fiber sheet 25 with relatively little expansion and contraction, Spunbond can be suitably used. At this time, the fiber assembly 21a and the fiber sheet 25 with relatively little expansion and contraction may be integrated in advance by the needle punch method.

  Further, the back sheet 24 may have a water retention effect, and for example, a fibrous material such as polyethylene terephthalate resin-based moisturizing material, synthetic fiber such as glass wool, rock wool, or the like is preferably used. Similarly to the fiber sheet 25, the back sheet 24 can be integrated with a needle punch in advance so that the bryophyte plant carrier 2 can be easily formed.

It is sectional drawing which shows one Embodiment of the fixing method of the bryophyte plant carrier of this invention. It is a perspective view which shows a bryophyte plant carrier.

Explanation of symbols

DESCRIPTION OF SYMBOLS 1 One-component curing type modified silicone adhesive 2 Lichen plant plant carrier 21a Fiber assembly 21b Fiber assembly 22 Lichen plant 23 Artificial grass frond 24 Back sheet 25 Fiber sheet with little expansion / contraction H Roof frame

Claims (2)

A bryophyte in which at least a bryophyte plant is sandwiched between two fiber assemblies, the two fiber assemblies are partially entangled by mechanical entanglement, and the fibers are partially laminated and integrated, and an artificial turf-like body is planted. A method for fixing a bryophyte plant carrier, characterized in that the bottom surface of a plant carrier is bonded to a surface to be fixed with a one-component curable modified silicone adhesive. The method for fixing a bryophyte plant carrier, wherein the one-component curable modified silicone adhesive according to claim 1 has a viscosity of 1000 to 1400 Pa · S at 20 ° C.

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