WO2015025574A1 - Objet en forme de feuille pour imperméabilisation - Google Patents

Objet en forme de feuille pour imperméabilisation Download PDF

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Publication number
WO2015025574A1
WO2015025574A1 PCT/JP2014/063575 JP2014063575W WO2015025574A1 WO 2015025574 A1 WO2015025574 A1 WO 2015025574A1 JP 2014063575 W JP2014063575 W JP 2014063575W WO 2015025574 A1 WO2015025574 A1 WO 2015025574A1
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WO
WIPO (PCT)
Prior art keywords
sheet
mesh
film
fabric
woven
Prior art date
Application number
PCT/JP2014/063575
Other languages
English (en)
Japanese (ja)
Inventor
賢一 冨岡
一柳　隆治
紀彦 増田
伊藤　誠
秀夫 野口
Original Assignee
東洋紡Ｓｔｃ株式会社
東洋紡株式会社
株式会社秀カンパニー
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
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Application filed by 東洋紡Ｓｔｃ株式会社, 東洋紡株式会社, 株式会社秀カンパニー filed Critical 東洋紡Ｓｔｃ株式会社
Priority to CN201480045634.7A priority Critical patent/CN105492706A/zh
Publication of WO2015025574A1 publication Critical patent/WO2015025574A1/fr

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    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04D—ROOF COVERINGS; SKY-LIGHTS; GUTTERS; ROOF-WORKING TOOLS
    • E04D7/00—Roof covering exclusively consisting of sealing masses applied in situ; Gravelling of flat roofs
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B15/00—Layered products comprising a layer of metal
    • B32B15/14—Layered products comprising a layer of metal next to a fibrous or filamentary layer
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B3/00—Layered products comprising a layer with external or internal discontinuities or unevennesses, or a layer of non-planar form; Layered products having particular features of form
    • B32B3/26—Layered products comprising a layer with external or internal discontinuities or unevennesses, or a layer of non-planar form; Layered products having particular features of form characterised by a particular shape of the outline of the cross-section of a continuous layer; characterised by a layer with cavities or internal voids ; characterised by an apertured layer
    • B32B3/266—Layered products comprising a layer with external or internal discontinuities or unevennesses, or a layer of non-planar form; Layered products having particular features of form characterised by a particular shape of the outline of the cross-section of a continuous layer; characterised by a layer with cavities or internal voids ; characterised by an apertured layer characterised by an apertured layer, the apertures going through the whole thickness of the layer, e.g. expanded metal, perforated layer, slit layer regular cells B32B3/12
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B5/00—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts
    • B32B5/02—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts characterised by structural features of a fibrous or filamentary layer
    • B32B5/024—Woven fabric
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B5/00—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts
    • B32B5/02—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts characterised by structural features of a fibrous or filamentary layer
    • B32B5/10—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts characterised by structural features of a fibrous or filamentary layer characterised by a fibrous or filamentary layer reinforced with filaments
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B5/00—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts
    • B32B5/22—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts characterised by the presence of two or more layers which are next to each other and are fibrous, filamentary, formed of particles or foamed
    • B32B5/24—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts characterised by the presence of two or more layers which are next to each other and are fibrous, filamentary, formed of particles or foamed one layer being a fibrous or filamentary layer
    • B32B5/26—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts characterised by the presence of two or more layers which are next to each other and are fibrous, filamentary, formed of particles or foamed one layer being a fibrous or filamentary layer another layer next to it also being fibrous or filamentary
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B7/00—Layered products characterised by the relation between layers; Layered products characterised by the relative orientation of features between layers, or by the relative values of a measurable parameter between layers, i.e. products comprising layers having different physical, chemical or physicochemical properties; Layered products characterised by the interconnection of layers
    • B32B7/04—Interconnection of layers
    • B32B7/12—Interconnection of layers using interposed adhesives or interposed materials with bonding properties
    • D—TEXTILES; PAPER
    • D03—WEAVING
    • D03D—WOVEN FABRICS; METHODS OF WEAVING; LOOMS
    • D03D15/00—Woven fabrics characterised by the material, structure or properties of the fibres, filaments, yarns, threads or other warp or weft elements used
    • D03D15/40—Woven fabrics characterised by the material, structure or properties of the fibres, filaments, yarns, threads or other warp or weft elements used characterised by the structure of the yarns or threads
    • D03D15/43—Woven fabrics characterised by the material, structure or properties of the fibres, filaments, yarns, threads or other warp or weft elements used characterised by the structure of the yarns or threads with differing diameters
    • D—TEXTILES; PAPER
    • D03—WEAVING
    • D03D—WOVEN FABRICS; METHODS OF WEAVING; LOOMS
    • D03D9/00—Open-work fabrics
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2262/00—Composition or structural features of fibres which form a fibrous or filamentary layer or are present as additives
    • B32B2262/02—Synthetic macromolecular fibres
    • B32B2262/0253—Polyolefin fibres
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2307/00—Properties of the layers or laminate
    • B32B2307/50—Properties of the layers or laminate having particular mechanical properties
    • B32B2307/546—Flexural strength; Flexion stiffness
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2307/00—Properties of the layers or laminate
    • B32B2307/70—Other properties
    • B32B2307/724—Permeability to gases, adsorption
    • B32B2307/7242—Non-permeable
    • B32B2307/7246—Water vapor barrier
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2307/00—Properties of the layers or laminate
    • B32B2307/70—Other properties
    • B32B2307/726—Permeability to liquids, absorption
    • B32B2307/7265—Non-permeable
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2419/00—Buildings or parts thereof
    • B32B2419/06—Roofs, roof membranes

Definitions

  • the present invention relates to a sheet for waterproof construction used when waterproof construction is performed on a part of a building that is exposed to rain or running water.
  • Waterproofing methods applied to the rooftops of building structures and the floors of rooftop parking lots are as follows: (1) Primer treatment is applied to the building surface of the building structure, and then a reinforcing cloth is placed, and a waterproof material such as urethane After the layer is formed, an adhesion method for coating the top layer with a finish coating, (2) a ventilation buffer method for adhering a non-woven fabric or other ventilation sheet to the entire surface of the underlayer, and forming a waterproof material layer thereon Etc. are known.
  • the former adhesion method is a method in which the waterproof material layer is joined and integrated over the entire surface of the base, the followability to cracks and joint movement generated in the base is insufficient.
  • the breathable cushioning material exerts a degassing performance, and the water vapor coming out of the underlayer is guided from the breathable cushioning material layer at the joining interface to the degassing tower to the outside. Since it is released, the above-described swelling phenomenon is prevented.
  • construction problems are pointed out, such as complicated construction and time-consuming compared to the close contact method.
  • Patent Document 1 discloses that a sealer is applied to the entire surface of a building structure body, and an adhesive sheet piece is interposed on the sealer application surface to isolate the adhesive sheet, and then a waterproof paint. A construction method for applying the coating is disclosed.
  • the pressure-sensitive adhesive sheet portion exhibits a degassing performance to suppress the swelling phenomenon, and the followability to cracks and joint movement generated in the base is also improved.
  • the work of attaching the pressure-sensitive adhesive sheet requires enormous labor and time, so the workability is remarkably reduced.
  • a waterproof construction technique that can prevent the swelling phenomenon and has excellent workability has been developed and disclosed in Patent Document 2.
  • the low-viscosity primer can easily enter the long-fiber nonwoven fabric layer, and the interfiber gap is filled with the primer, resulting in insufficient air permeability, making it difficult for water vapor diffused from the underlayer to be diffused to the outside. There is still a room for improvement.
  • Patent Document 3 discloses an application-type waterproof construction sheet material in which irregularities are formed by applying a resin in a substantially communicated state to at least one surface of a sheet material having air permeability. Laying the surface of the sheet-like material in contact with the base, applying a primer from above to adhere the sheet and the base, and further applying a waterproof coating material on the above, By leaving the irregularities as voids communicating with the outside, water vapor diffused from the underlayer can be diffused to the outside.
  • the base layer and the waterproof material layer formed thereon are joined and integrated at the portion of the breathable sheet-like material I to form a lattice shape or honeycomb shape.
  • the base layer and the waterproof material layer are not joined to form a gap in the resin II part so as to have air permeability, and is released from the base layer. Water vapor and the like are diffused to the outside through this gap, and a moderate anti-dandruff effect can be obtained.
  • Patent Document 4 discloses a method for improving adhesion by bonding a nonwoven fabric to one side of a non-breathable metal thin film or a non-breathable metal vapor-deposited film by a laminating method, etc., and giving an anchor effect to the joint interface with the waterproof material layer. is doing.
  • This sheet-like material is generally thin in consideration of the cost and light weight of the non-breathable metal thin film or the non-breathable metal vapor-deposited film. Although there is some difficulty in handling such as rising or folding, the sheet and the fabric are bonded together with an adhesive to increase the rigidity of the entire sheet.
  • a fabric using a flat yarn is formed as a mesh-like reinforcing material, and a non-breathable metal thin film or a non-breathable metal deposited film is formed.
  • a sheet-like product that is superposed and easy-bonded on one side.
  • the fabric is stuck due to adhesiveness, so-called blocking, and the opening is not performed smoothly, causing deformation of the sheet and peeling of the metal film. was there.
  • the sheet material for waterproof construction has sufficient adhesiveness, and at the same time, there is no blocking at the time of opening, there is no peeling of the metal film, and there is no sheet material that can be easily opened. It was strongly desired.
  • the present invention has been made in order to solve the problems of the prior art as described above.
  • the purpose of the present invention is to make the sheet-like material applied to the waterproof construction part of a building structure thin, soft and easy to handle. It is good and the adhesive strength of the sheet is strong at the time of construction, the temporary fixing adhesive effect is sufficient, and the work piece of the sheet at the time of construction is blocked when it is opened, and the metal film is not peeled off, making it easy to open the work. It is an object to provide a waterproof construction sheet-like material.
  • the structure of the present invention is a sheet-like material for waterproofing construction, and is a non-moisture permeable thin metal film 2 or a non-moisture permeable metal vapor-deposited film in which a large number of holes 5 are formed.
  • a mesh-like reinforcing fabric 6 subjected to easy adhesion processing is joined to one side, and the mesh-like reinforcing fabric 6 is composed of a concave portion and a convex portion, the concave portion is a thermoplastic synthetic resin flat yarn 3, and the convex portion is a thick portion. It is a sheet for waterproofing construction characterized by being woven using the yarn 4.
  • the mesh-like reinforcing fabric 6 is preferably a plain weave or a basket weave.
  • the thickness of the convex part of the mesh-like reinforcing fabric 6 is desirably 1.2 to 10 times the thickness of the concave part.
  • the mesh reinforced fabric is woven with a thermoplastic synthetic resin flat yarn 3 and thick yarn 4 at a weaving density of 4 to 15 yarns / inch, and the thick yarn 4 has a weaving density of 0.2 to 2.5 yarns / inch. It is desirable to use the warp and / or the weft for weaving.
  • thermoplastic synthetic resin is a polyolefin.
  • the opening load of the waterproof construction sheet is preferably 0.5 N / cm or less, particularly 0.3 N / cm or less.
  • the mesh-shaped reinforcing fabric 6 has been woven with the same thickness for both the warp and the weft.
  • the convex portion forming portion of the fabric is thicker than the flat yarn constituting the concave portion forming portion. Because it is formed by weaving yarn, the sheet-like material made into a fabric is not peeled off when the metal film is peeled off or blocked when the fabric is opened, and it is easy to pull out when the fabric is opened. It has an excellent effect that is not seen in the past.
  • the present invention is thin and soft, has good handleability, has a strong adhesive strength of the sheet at the time of construction, has a sufficient temporary bonding adhesive effect, and has a blocking property and a metal film when the sheet fabric is opened. It is possible to provide a sheet for waterproof construction that is easy to work without causing peeling.
  • the waterproof construction sheet 1 according to the present invention is formed by laminating a moisture-impermeable metal thin film 2 having a large number of holes 5 (openings) and a mesh-like reinforcing fabric 6 with an adhesive layer interposed therebetween. It is a sheet-like material.
  • the sheet-like material is wound around a roll and is unwound from the roll when the sheet is laid, and spreads the non-moisture permeable metal thin film layer surface on the base surface to be waterproofed.
  • the pressure-sensitive adhesive is applied to the mesh-shaped reinforcing fabric of the opening, it is bonded to the base surface by this pressure-sensitive adhesive effect.
  • the waterproof construction is performed by applying a waterproof material made of urethane resin or the like from above.
  • the perforated sheet-like material of the present invention has a base layer made of concrete or the like and a waterproof material layer coated thereon joined and integrated in a columnar shape at the hole portion.
  • the base layer and the waterproof material layer are directly bonded together due to the presence of the non-moisture permeable thin metal film. It will be in the state of only touching.
  • the base layer and the waterproof material layer are joined and integrated in the portion where the holes are formed, and the base layer is formed in the portion where there is no hole.
  • the portion where the surface and the moisture-impermeable metal thin film 2 or the moisture-impermeable metal vapor-deposited film are left in a non-bonded state is floated and pasted, and the floated and pasted portion communicates in the direction of the peripheral edge of both interfaces, Gas components such as water vapor diffusing from within the formation move horizontally from the joint surface and are released from the cylinders to the atmosphere. Therefore, there is no possibility that gas components such as water vapor are accumulated at the joint interface and the waterproof material layer causes the swelling phenomenon.
  • the size and number of the holes 5 are not particularly limited, but if the individual holes are large and the opening area ratio is too wide, the bonding strength between the base layer and the waterproof material layer increases due to the increase in the area ratio of the integral joint portion, If the floating area for degassing is narrowed and the effect of preventing blistering is reduced, conversely, if the hole is small and the opening area ratio is too narrow, the degassing effect increases, but the area ratio of the integral joint decreases. In addition, the bonding strength between the base layer and the waterproof material layer is insufficient.
  • the opening area ratio of the holes formed in the sheet-like material is 5% or more, preferably 10% or more and 70% or less, more preferably 20% or more and 60% or less.
  • each hole 5 is too small, it is difficult to obtain a satisfactory integral joining force, and conversely if too large, the area for degassing may become narrow and the effect of preventing blistering may be insufficient.
  • the size of the hole is 3 mm or more and 100 mm or less, particularly preferably 5 mm or more and 20 mm or less in terms of a perfect circle diameter.
  • the shape of the hole 5 is not particularly limited, and may be a perfect circle, an ellipse, an egg, a rectangle, a polygon such as a pentagon or a hexagon, or any other irregular shape.
  • a plurality may be formed in any combination.
  • the sheet-like article 1 for waterproofing construction of the present invention has a high bonding strength because the portion of the waterproof material layer that is in contact with the waterproof material layer is in a woven state and the coating film of the waterproof material layer digs into the fabric well.
  • non-breathable metal thin film 2 used in the present invention metal thin films such as aluminum, copper, and stainless steel can be used.
  • metal thin films such as aluminum, copper, and stainless steel can be used.
  • non-breathable metal vapor-deposited films aluminum, copper, etc. are vapor-deposited on films such as polyolefins such as polyethylene and polypropylene, polyesters, polyamides, and various kinds of individual or copolymer resins or blend resins.
  • the deposited metal film can be used. Any metal thin film or metal vapor-deposited film can be used as long as it can prevent the intrusion of the waterproofing material layer constituent component in the direction of the base layer and can float and ensure the attached state.
  • the thickness of the metal thin film or metal vapor deposition film is not particularly limited, but is preferably about 3 to 200 ⁇ m, more preferably about 8 to 38 ⁇ m in view of handling properties and cost.
  • the sheet material for waterproofing construction 1 of the present invention uses a non-moisture permeable metal vapor deposition film constituting the sheet material.
  • it is also effective to include an aggregate such as silica sand in the constituent material.
  • an aggregate is blended in the film material, fine aggregate is given to the film by the aggregate, and not only the gap between the underlayer and the film layer is widened to improve the deaeration performance, This is because the unevenness also contributes to improving the adhesion with the waterproof material layer.
  • a mesh-like reinforcing fabric 6 is laminated on the surface of the film material via an adhesive. That is, this mesh-like reinforcing fabric 6 increases the strength of the sheet-like material as a whole, particularly the tensile strength and tear strength, prevents damage due to tensile tension and catching during waterproof construction, The joint integrity with the waterproof material layer 10 coated on the surface is further enhanced.
  • the present invention is characterized in that the mesh-shaped reinforcing fabric 6 is composed of a recessed portion forming portion and a protruding portion forming portion, compared to the sheet structure in which the mesh-shaped reinforcing fabric 6 is composed of conventional fibers. is there.
  • the recess is formed by weaving a flat yarn 3 made of a thermoplastic synthetic resin.
  • the concave portion referred to in the present invention means a portion where the thickness of the woven fabric is thin in a portion woven only by flat yarn.
  • the convex part of the woven fabric referred to in the present invention means a part composed of thick yarn having a larger apparent thickness than the flat yarn forming the concave part.
  • thermoplastic synthetic resin constituting the flat yarn examples include various resins including polyester resins, polyolefin resins such as polypropylene, polyamide resins, polyvinyl alcohol resins, acrylic resins, or copolymer resins and blends thereof. The product is mentioned.
  • Flat yarn 3 is preferably made of polyolefin.
  • the flat yarn referred to in the present invention is a flat yarn in which the above-mentioned thermoplastic synthetic resin is heated and melted in a cylinder and extruded from the die by a T-die method or an inflation method, and then slit into a narrow width after cooling. . If necessary, stretching or heat setting may be performed.
  • Flat yarn is combined with 3 and thick yarn 4 and is woven with a plain weave or twill structure using a known loom.
  • the woven fabric structure is not limited, but a mesh reinforced woven fabric having a plain weave or basket weave is particularly preferable.
  • the thick yarn 4 can be used for warp and / or weft.
  • the convex part of the mesh-like reinforcing fabric 6 is formed by weaving a thread thicker than the thickness of the flat yarn 3.
  • the convex part of the mesh-like reinforcing fabric 6 is formed by weaving a thick thread 4 that is 1.2 times or more, preferably 1.3 times or more the thickness of the flat yarn 3 constituting the concave part.
  • the thick yarn referred to in the present invention is not particularly limited as long as it has a larger apparent thickness than the flat yarn forming the concave portion.
  • a synthetic fiber multifilament, a synthetic fiber monofilament, and a synthetic fiber short fiber are used. Any of the used spun yarn, spun yarn made of natural fiber, composite spun yarn, processed yarn, etc. may be used. Any material can be used as long as it is formed to have a larger thickness than the recessed portion forming portion of the woven fabric. Of course, a flat yarn having a large thickness may be used.
  • the diameter of the thick thread 4 is preferably in the range of 100 to 1000 ⁇ m. It is desirable that the thickness of the thick yarn 4 is 1.2 to 10 times the thickness of the flat yarn 3.
  • the flat yarn 3 is woven with a weaving density of 4 to 15 yarns / inch, and the thick yarn 4 is woven with warp and / or weft yarns with a weaving density of 0.2 to 2.5 yarns / inch. Is desirable.
  • a sheet-like material has been wound up like a fabric, and when performing the work by pulling out the sheet from the fabric during construction work, the metal film is peeled off, or the fabric is stuck due to the adhesive pressure, so-called blocking.
  • the mesh-shaped reinforcing woven fabric 6 was composed of a recessed portion forming portion and a protruding portion forming portion, so that the contact area between the sheets could be reduced, and there was no occurrence of blocking or peeling, It is very easy to pull out the sheet from the fabric during construction work.
  • the load at opening of the waterproof construction sheet is 0.5 N / cm or less, particularly 0.3 N / cm or less.
  • a free roll 13 that can be freely rotated is passed through a roll core of a fabric that is 100 cm wide and wound to a diameter of 15 cm, and a digital force gauge 12 is attached to the center of the unrolled fabric to pull it.
  • the maximum load (N) at the time of opening 30 cm is determined at a speed of 1 cm / sec.
  • the mesh density of the mesh-like reinforcing fabric 6 of the present invention is preferably in the range of 20 to 200 pieces, particularly 40 to 120 pieces / square inch.
  • the mesh-shaped reinforcing fabric 6 is subjected to an adhesion treatment, the mesh-shaped reinforcing fabric 6 is exposed to the adhesiveness of the mesh-shaped reinforcing fabric 6 exposed on the base surface side from the holes 5 provided in the moisture-impermeable metal thin film 2 or the moisture-impermeable metal deposited film.
  • the entire sheet-like material is adhered and fixed to the base surface, the temporary adhesion effect works, the sheet is turned up by the wind, and the construction workability is further improved.
  • the numerous holes 5 formed in the cross-sectional direction of the waterproof construction sheet according to the present invention constitute a communication portion for directly joining and integrating the concrete base layer 8 and the waterproof material layer 10.
  • the opening area ratio of the hole 5 increases, the bonding strength between the concrete base layer 8 and the waterproof material layer 10 increases.
  • the concrete base layer 8 and the waterproof material layer 10 are kept in a non-contact state by the non-moisture permeable thin metal film 2 or the non-moisture permeable metal vapor deposition film. It becomes the floating pasting state. Therefore, this part remains as a gas-permeable gap even after the construction, and constitutes a ventilation part for releasing a gas such as water vapor coming out of the underlayer from the joining interface to the outside through the cylinder removal.
  • the mesh-shaped reinforcing fabric 6 is subjected to an adhesion treatment, and the sheet-like material is adhered to the surface of the base layer using the adhesive force of the mesh-shaped reinforcing fabric 6, thereby strengthening the so-called temporary fixing effect. This is very important.
  • the thickness of the flat yarn 3 is preferably 10 to 100 ⁇ m, more preferably 10 to 50 ⁇ m.
  • the width of the flat yarn 3 is preferably 0.5 to 3.0 mm, and more preferably 0.7 to 2.0 mm.
  • the weaving density and the number of driven yarns of the flat yarn 3 are preferably 4 to 15 / inch, more preferably 6 to 10 / inch for both the warp and the weft.
  • the thickness of the thick thread 4 is preferably 100 to 1000 ⁇ m in apparent diameter, and more preferably 100 to 500 ⁇ m.
  • the number of thick yarns 4 to be driven is preferably 0.1 to 5.0 / inch, more preferably 0.2 to 2.5 / inch for both warp and / or weft.
  • the sheet 1 for waterproofing construction of the present invention is configured as described above, when applied to waterproofing construction in an actual site, it conforms to JASS-8 (1986 edition) as a realistic required characteristic.
  • the ventilation rate at a pressure of 10 mmAq is 170 cm 3 / min or more.
  • the air flow rate that is preferable for more effectively exhibiting the characteristics of the present invention is 170 cm 3 / min or more, more preferably 300 cm 3 / min or more, and particularly 600 cm 3 / min or more.
  • FIG. 1 is a cross-sectional perspective view of a main part illustrating a preferred waterproof construction sheet 1 according to the present invention, in which a plurality of holes 5 are formed in a non-moisture permeable metal thin film 2 and further subjected to an adhesive treatment.
  • a structure in which mesh-like reinforcing fabrics 6 are laminated is shown.
  • the mesh-shaped reinforcing woven fabric 6 is one formed by basket weaving synthetic fiber thick yarn 4 forming convex portions and thermoplastic synthetic resin flat yarn 3 forming concave portions.
  • the reinforcing structure is formed by laminating the mesh-like reinforcing woven fabric 6 as described above, the strength and rigidity of the sheet-like material itself is improved, and the handling property is further improved. This is preferable because the bonding strength can be increased.
  • the mesh-like reinforcing fabric 6 is subjected to an adhesive treatment, the sheet-like material 1 can be temporarily fixed with the adhesive force when it is laid on the surface of the base layer 2, and the construction work It is preferable for enhancing the properties.
  • a primer 9 for improving the bonding strength is applied to the surface of a concrete base layer 8 made of concrete, mortar or the like. Then, the waterproof construction sheet 1 is spread. Next, the waterproof material layer 10 is formed by painting a predetermined amount of waterproof material thereon, and the finish coating film 11 is further formed thereon, or it may be applied by a method equivalent thereto.
  • the concrete base layer 8 and the waterproof material layer 10 are firmly joined and integrated in the hole 5 portion of the waterproof construction sheet 1. And in the part without the hole 5 (non-perforated part), together with the interposition of the mesh-like reinforcing fabric 6, it is firmly joined and integrated with the waterproofing material layer 10, while the lower surface side of the moisture-impermeable metal thin film 2 is
  • the gas component such as water vapor is diffused from the concrete base layer 8 to the floating pasting portion, the cured primer 9 is kept in a non-adhesive floating pasting state, and the place without a hole communicates. These gas components are diffused from the gaps in the non-adhered state toward the peripheral edge of the bonding interface, and are released from the deaeration tower to the atmosphere. Problems such as blistering are avoided.
  • the foundation to which the above construction method of the present invention is applied is not limited to any kind, such as reinforced concrete or mortar, and the constituent material of the waterproof material layer 10 formed on the surface layer side through the sheet-like material of the present invention.
  • any kind such as reinforced concrete or mortar
  • the constituent material of the waterproof material layer 10 formed on the surface layer side through the sheet-like material of the present invention There are no particular restrictions, and the most common urethane resins, epoxy resins, unsaturated polyester resins, vinyl ester resins and the like, and so-called inorganic mortars containing cement and inorganic pigments are blended with these. All can be used.
  • there are a wide range of places where the method of the present invention is applied and various parts that are exposed to rainwater and water sprinkling, such as rooftops, walls, roofs, verandas, balconies, floors, open corridors, and rooftop parking lots. Applicable to.
  • the film thickness of the waterproof material layer 10 and the finish coating film 11 formed by the above-described method can be set to an electromagnetic or eddy current type. It can be measured with a film thickness meter. That is, the non-breathable metal thin film 2 or the metal vapor-deposited film exhibits electromagnetic characteristics corresponding to the strength of magnetic force or electric field through the waterproof material layer 10 and the finish coating film 11. It becomes possible to directly measure the film thickness at an arbitrary position with a film thickness meter of the type or eddy current type.
  • an electromagnetic film thickness meter using electromagnetic induction may be employed as the film thickness meter.
  • a nonmagnetic metal such as aluminum or copper
  • the electromagnetic type cannot be adopted, and therefore an eddy current type film thickness meter induced by a high frequency electric field may be adopted.
  • Example 1 In a sheet obtained by combining (laminating) a non-breathable metal thin film made of an aluminum foil having a thickness of 7 ⁇ m and a polyester long-fiber non-woven fabric by a polyethylene laminating method, the opening area ratio of holes in the lamination cross-sectional direction is 36% of the sheet surface area. A square hole with rounded corners of 10 mm ⁇ 10 mm wide was punched for opening.
  • Synthetic resin flat yarn with a width of 1.1 mm and a thickness of 30 ⁇ m on the polyester long fiber nonwoven fabric side of the perforated sheet, with a density of 8 vertical and 7 horizontal per inch, thick synthetic fiber (polyethylene monofilament of 440 dtex) ) was applied to the mesh-like reinforcing material sheet made into a basket weave with a density of 0.8 vertical and 0.6 horizontal, and the sheet was used for waterproof construction.
  • the total basis weight of the sheet was 53 g / m 2 .
  • the obtained sheet-like material was wound around a fabric having a width of 100 cm and a diameter of 15 cm, and the force applied at the time of opening was measured with a digital force gauge.
  • the measurement results are shown in Table 1.
  • a primer is applied to the concrete base surface and dried after applying 0.3 kg / m 2 , and the waterproof construction sheet obtained above is opened, so that the metal thin film side is in contact with the primer film. Laid.
  • the sheet was free from aluminum peeling or blocking.
  • the laid sheet for waterproofing construction was in close contact with the concrete base surface, and there was no sheet turning or peeling phenomenon.
  • urethane waterproofing material the product name “Sunsilar Super Rise” 1.0 kg / m 2 and “Sun Silar Super” 1.3 kg / m 2 manufactured by Mitsui Chemicals Co., Ltd. were applied in two layers, and further on As a urethane finish layer, waterproofing was performed by overcoating 0.2 kg / m 2 of trade name “Sunsilar Color Top” manufactured by Mitsui Chemicals, Inc. Construction workability for the waterproofing was very good. Compared to the conventional method of Patent Document 4, the construction time could be reduced by about 10 to 20%.
  • the waterproof material layer on the waterproof construction surface obtained was firmly joined and integrated with the base layer, and gas components such as water vapor did not accumulate at the joint interface and caused a swelling phenomenon.
  • Example 1 Without using synthetic fiber thick yarn, and using a mesh-shaped reinforcing material made of basket weave, with a density of 9 vertical and 8 horizontal thermoplastic synthetic resin flat yarns with a width of 1.1 mm and a thickness of 30 ⁇ m Obtained the waterproof construction sheet in the same manner as in Example 1.
  • the obtained sheet-like material was wound around a fabric having a width of 100 cm and a diameter of 15 cm, and the force applied at the time of opening was measured with a digital force gauge. As shown in Table 1, the drawing load was large and blocking occurred.
  • the waterproof construction sheet-like material does not cause anti-blocking or peeling of the metal film, and can be provided at a low cost with good handling from transportation to on-site construction.
  • a sheet-like material can be provided.
  • the adhesive strength of the sheet is strong during construction, it is easy to pull out from the sheet-like material, and it is difficult for the sheet to turn over during construction, making it possible to implement high-quality waterproof construction efficiently.
  • the maximum load of the drawer from the sheet-shaped fabric is higher than that of the conventional product (Comparative Example 1: 0.75 N / cm) in the product of the present invention (Example 1). An extremely small value of 0.14 N / cm was obtained.

Landscapes

  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Laminated Bodies (AREA)
  • Building Environments (AREA)
  • Woven Fabrics (AREA)

Abstract

La présente invention concerne un objet en forme de feuille destiné à être appliqué sur une partie d'une structure architecturale à imperméabiliser. Ledit objet en forme de feuille est mince et souple, il présente une bonne maniabilité et une grande force d'adhésion de contact lors de l'application de manière à produire un effet satisfaisant d'adhésion provisoire. Un rouleau de la feuille ne se bloque pas quand il est déroulé en vue de son application et il est facile à dérouler. Ledit objet en forme de feuille pour imperméabilisation est caractérisé en ce qu'un tissu de renforcement en forme de treillis (6) facile à coller est collé à une surface d'un film métallique mince imperméable à l'humidité (2) ou d'un film revêtu d'un métal imperméable à l'humidité déposé par évaporation sous vide, ledit film (2) et le film revêtu présentant une pluralité d'orifices (5) ménagés dans ceux-ci, et en ce que ledit tissu de renforcement en forme de treillis (6) est constitué de creux et de saillies, les creux ayant été tissés au moyen d'un fil plat à base de résine synthétique thermoplastique (3) et les saillies ayant été tissées au moyen d'un fil épais (4).
PCT/JP2014/063575 2013-08-21 2014-05-22 Objet en forme de feuille pour imperméabilisation WO2015025574A1 (fr)

Priority Applications (1)

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JP2013-171177 2013-08-21
JP2013171177A JP6427809B2 (ja) 2013-08-21 2013-08-21 防水施工用シート状物

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JP2019001341A (ja) * 2017-06-16 2019-01-10 林テレンプ株式会社 車両用ボード構造体、車両、及び車両用ボード構造体の製造方法

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WO2018146760A1 (fr) * 2017-02-09 2018-08-16 東洋紡Ｓｔｃ株式会社 Matériau stratiforme pour une construction étanche à l'eau et procédé permettant de produire ce dernier
KR101794175B1 (ko) * 2017-04-10 2017-11-06 (주)동아방수 에너지 절약 및 인장 강도 보강형 복합 방수공법
KR102450701B1 (ko) * 2019-11-28 2022-10-04 김재용 복합 방수시트 및 이를 이용한 복합 방수공법
JP7465767B2 (ja) * 2020-09-02 2024-04-11 フジモリ産業株式会社 要防水土木構造物の防水下地層及び防水施工方法

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JP2006022609A (ja) * 2004-07-09 2006-01-26 Toyobo Co Ltd 防水施工用シート状物および防水施工法
JP2006316411A (ja) * 2005-05-10 2006-11-24 Tsutsunaka Plast Ind Co Ltd 遮熱性複層防水シート
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TWI631018B (zh) 2018-08-01
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CN105492706A (zh) 2016-04-13
JP6427809B2 (ja) 2018-11-28

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