JPS63114744A - Waterproof sheet - Google Patents
Waterproof sheetInfo
- Publication number
- JPS63114744A JPS63114744A JP26016086A JP26016086A JPS63114744A JP S63114744 A JPS63114744 A JP S63114744A JP 26016086 A JP26016086 A JP 26016086A JP 26016086 A JP26016086 A JP 26016086A JP S63114744 A JPS63114744 A JP S63114744A
- Authority
- JP
- Japan
- Prior art keywords
- composition layer
- waterproof sheet
- waterproof
- flame retardant
- rubber asphalt
- Prior art date
- Legal status (The legal status 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 status listed.)
- Pending
Links
- 239000000203 mixture Substances 0.000 claims description 32
- 239000003063 flame retardant Substances 0.000 claims description 23
- RNFJDJUURJAICM-UHFFFAOYSA-N 2,2,4,4,6,6-hexaphenoxy-1,3,5-triaza-2$l^{5},4$l^{5},6$l^{5}-triphosphacyclohexa-1,3,5-triene Chemical compound N=1P(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP=1(OC=1C=CC=CC=1)OC1=CC=CC=C1 RNFJDJUURJAICM-UHFFFAOYSA-N 0.000 claims description 21
- 239000010426 asphalt Substances 0.000 claims description 21
- 229920001971 elastomer Polymers 0.000 claims description 19
- 239000005060 rubber Substances 0.000 claims description 19
- 239000002985 plastic film Substances 0.000 claims description 9
- 229920006255 plastic film Polymers 0.000 claims description 9
- 239000000463 material Substances 0.000 claims description 7
- 229920000098 polyolefin Polymers 0.000 claims description 3
- 229920001084 poly(chloroprene) Polymers 0.000 claims description 2
- 239000010410 layer Substances 0.000 description 30
- 230000000694 effects Effects 0.000 description 14
- 239000004698 Polyethylene Substances 0.000 description 11
- -1 polyethylene Polymers 0.000 description 11
- 229920000573 polyethylene Polymers 0.000 description 11
- 239000004745 nonwoven fabric Substances 0.000 description 8
- 239000004744 fabric Substances 0.000 description 5
- 239000011888 foil Substances 0.000 description 5
- 239000000123 paper Substances 0.000 description 4
- 229910052782 aluminium Inorganic materials 0.000 description 3
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 3
- 239000004035 construction material Substances 0.000 description 3
- 239000000835 fiber Substances 0.000 description 3
- 229910052751 metal Inorganic materials 0.000 description 3
- 239000002184 metal Substances 0.000 description 3
- 229920000728 polyester Polymers 0.000 description 3
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 239000004743 Polypropylene Substances 0.000 description 2
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 2
- 239000004566 building material Substances 0.000 description 2
- 229910052760 oxygen Inorganic materials 0.000 description 2
- 239000001301 oxygen Substances 0.000 description 2
- 229920001155 polypropylene Polymers 0.000 description 2
- 229920002050 silicone resin Polymers 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 238000004078 waterproofing Methods 0.000 description 2
- 229920000742 Cotton Polymers 0.000 description 1
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 description 1
- AXCZMVOFGPJBDE-UHFFFAOYSA-L calcium dihydroxide Chemical compound [OH-].[OH-].[Ca+2] AXCZMVOFGPJBDE-UHFFFAOYSA-L 0.000 description 1
- 239000000920 calcium hydroxide Substances 0.000 description 1
- 229910001861 calcium hydroxide Inorganic materials 0.000 description 1
- 230000000295 complement effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 239000003365 glass fiber Substances 0.000 description 1
- 229910052736 halogen Inorganic materials 0.000 description 1
- 150000002367 halogens Chemical class 0.000 description 1
- 229920001903 high density polyethylene Polymers 0.000 description 1
- 239000004700 high-density polyethylene Substances 0.000 description 1
- 229910052500 inorganic mineral Inorganic materials 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 239000002655 kraft paper Substances 0.000 description 1
- 238000010030 laminating Methods 0.000 description 1
- 238000003475 lamination Methods 0.000 description 1
- VTHJTEIRLNZDEV-UHFFFAOYSA-L magnesium dihydroxide Chemical compound [OH-].[OH-].[Mg+2] VTHJTEIRLNZDEV-UHFFFAOYSA-L 0.000 description 1
- 239000000347 magnesium hydroxide Substances 0.000 description 1
- 229910001862 magnesium hydroxide Inorganic materials 0.000 description 1
- 239000011707 mineral Substances 0.000 description 1
- 229920001778 nylon Polymers 0.000 description 1
- 239000011574 phosphorus Substances 0.000 description 1
- 229910052698 phosphorus Inorganic materials 0.000 description 1
- 229920006267 polyester film Polymers 0.000 description 1
- 239000011241 protective layer Substances 0.000 description 1
- 239000002356 single layer Substances 0.000 description 1
- 230000002195 synergetic effect Effects 0.000 description 1
- 229920003051 synthetic elastomer Polymers 0.000 description 1
- 229920002994 synthetic fiber Polymers 0.000 description 1
- 239000012209 synthetic fiber Substances 0.000 description 1
- 239000005061 synthetic rubber Substances 0.000 description 1
Landscapes
- Laminated Bodies (AREA)
- Synthetic Leather, Interior Materials Or Flexible Sheet Materials (AREA)
Abstract
(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。(57) [Abstract] This bulletin contains application data before electronic filing, so abstract data is not recorded.
Description
【発明の詳細な説明】
［発明の目的］
（産業上の利用分野）
本発明は、優れた防水防湿効果および機械的特性を有し
、さらに難燃性も具備した防水シートに関する。DETAILED DESCRIPTION OF THE INVENTION [Object of the Invention] (Industrial Application Field) The present invention relates to a waterproof sheet that has excellent waterproof and moisture-proof effects and mechanical properties, and is also flame retardant.
（従来の技術）
建築構造物の屋根や外壁などの防水防湿施工材料として
、従来から次のような積層構造のものが知られている。(Prior Art) The following laminated structures have been known as waterproof and moisture-proof construction materials for roofs, outer walls, etc. of building structures.
すなわち第３図および第４図に示すように、離型紙１上
にゴムアスファルト層２を設け、その上に不織布３やア
ルミ箔４を積層したもの、あるいは第５図や第６図に示
すように、上記不繊布３やアルミ箔４上に、さらにポリ
エステルやポリエチレン等のプラスチックフィルム５を
被着させたもの、第７図に示すように不繊布３両面にゴ
ムアスファルト層２を設けたものなどが一般に使用され
ている。That is, as shown in FIGS. 3 and 4, a rubber asphalt layer 2 is provided on a release paper 1, and a nonwoven fabric 3 or aluminum foil 4 is laminated thereon, or as shown in FIGS. 5 and 6. In addition, a plastic film 5 such as polyester or polyethylene is further applied on the nonwoven fabric 3 or aluminum foil 4, and a rubber asphalt layer 2 is provided on both sides of the nonwoven fabric 3 as shown in FIG. is commonly used.
ところでこのような防水シートに要求される条件は、防
水防湿効果に優れていること、機械的強度が大きく耐久
性に優れていること、施工時の寸法安定性に優れている
こと、軽量で作業性がよいことなどである。そして今日
の建築材料の難燃化要求の中で、これらの必須的要件に
加えて、優れた難燃性を具備することも重要な条件の一
つになってきている。By the way, the conditions required for such a tarpaulin sheet are that it has excellent waterproof and moisture-proof effects, high mechanical strength and excellent durability, excellent dimensional stability during construction, and is lightweight and easy to work with. For example, having good sex. Among today's demands for flame retardancy in building materials, in addition to these essential requirements, having excellent flame retardancy has become one of the important conditions.
（発明が解決しようとする問題点）
しかるに上記したような従来の防水シートでは、これら
の諸条件を充分溝たすものがなく、難燃性については全
く考慮されていないのが実状であった。(Problems to be solved by the invention) However, the reality is that none of the conventional waterproof sheets described above satisfactorily satisfies these conditions, and flame retardancy is not considered at all. .
そこで本発明は、防水防湿効果やｔｆｉ！’＝Ｊｆ的特
性などの必須的要件を充分に満たし、しかも擾れた難燃
性を具備した防水シートを提供することを目的とする。Therefore, the present invention provides waterproof and moisture-proof effects and TFI! The object of the present invention is to provide a waterproof sheet that fully satisfies essential requirements such as '=Jf characteristics and has excellent flame retardancy.
［発明の構成］
（問題点を解決するための手段）
本発明の防水シートは、離型材上にゴムアスファルト組
成物層、ポリオレフィン系プラスチックフィルムを一軸
延伸させたスプリットウェブを延伸方向を交叉させて積
層し一体に熱融着させてなる粗布、プラスチックフィル
ム、基材層を順に設けてなる防水シートにおいて、前記
ゴムアスファルト組成物層上に少なくとも一眉の難燃性
組成物層を設けることを特徴としている。[Structure of the Invention] (Means for Solving the Problems) The waterproof sheet of the present invention comprises a split web in which a rubber asphalt composition layer and a polyolefin plastic film are uniaxially stretched on a release material, with the stretching directions crossing each other. A waterproof sheet comprising a laminated sackcloth, a plastic film, and a base material layer that are laminated and heat-sealed together, characterized in that at least one flame-retardant composition layer is provided on the rubber asphalt composition layer. It is said that
本発明のゴムアスファルト組成物層を構成するゴムアス
ファルト組成物としては、アスファルト成分５０重量比
以上を含有し、かつこのアスファルト成分と共溶融しう
る合成ゴムを１０重量比以上含有する組成物が、防水防
湿効果にｆｌれ、また耐水性や接着性が良好であること
から好適に使用される。As the rubber asphalt composition constituting the rubber asphalt composition layer of the present invention, a composition containing an asphalt component in a weight ratio of 50 or more and a synthetic rubber that can co-melt with this asphalt component in a weight ratio of 10 or more is used. It is suitably used because it has a waterproof and moisture-proof effect, and also has good water resistance and adhesive properties.
なお、このゴムアスファルト組成物層の厚さは０．５１
ｍ１以上とすることが好ましく、これより未満では防水
防湿効果が不充分となるおそれがある。The thickness of this rubber asphalt composition layer is 0.51
It is preferable to set it to m1 or more, and if it is less than this, there is a possibility that the waterproofing and moisture-proofing effect will be insufficient.
本発明の粗布とは、ポリエチレンやポリプロピレン等の
ポリオレフィン系プラスチックフィルムを高倍率に一軸
延伸して分子配向密度を高め割繊したスプリットウェブ
を延伸方向を交叉させて積層し一体に熱融着させて得ら
れたものをいい、種々の優れた特性を有している。すな
わち厚みが非常に薄くかつ軽量で、しかも機械的強度が
大きく、寸法安定性にも優れている。第２図はこのよう
な粗布を示す平面図である０本発明においては、高密度
ポリエチレンからなる日石ワリフ（商品名日石化学株式
会社製）等が好適に使用される。The sackcloth of the present invention is made by uniaxially stretching a polyolefin plastic film such as polyethylene or polypropylene at a high magnification to increase the molecular orientation density and splitting the split webs, which are then laminated with their stretching directions crossing each other and heat-sealed together. The obtained product has various excellent properties. In other words, it is extremely thin and lightweight, has high mechanical strength, and has excellent dimensional stability. FIG. 2 is a plan view showing such sackcloth. In the present invention, Nisseki Warif (trade name, manufactured by Nisseki Chemical Co., Ltd.) made of high-density polyethylene is preferably used.
また本発明のプラスチックフィルムとしては、熱触着性
を有し、かつ耐水性や防水透湿抵抗性に優れたものが好
ましく、たとえばポリエチレンフィルム、ポリプロピレ
ンフィルム、ポリエステルフィルム等が使用される。The plastic film of the present invention preferably has thermal adhesion and is excellent in water resistance and waterproof/moisture permeable resistance; for example, polyethylene film, polypropylene film, polyester film, etc. are used.
本発明の基材層としては、不織布やアルミ、鉄等の金属
箔、あるいはこれらの金属箔にポリエステル等のプラス
チックフィルムをラミネートしたラミネート金属箔が好
適する。不織布としては、ポリエステル繊維、ナイロン
繊維等の合成繊維やガラス繊維、鉱サイ綿等のｇｌ繊維
からなる公知のものを使用することができる。As the base material layer of the present invention, a nonwoven fabric, a metal foil such as aluminum or iron, or a laminated metal foil obtained by laminating a plastic film such as polyester on these metal foils is suitable. As the nonwoven fabric, known fabrics such as synthetic fibers such as polyester fibers and nylon fibers, and GL fibers such as glass fibers and mineral cotton can be used.
本発明の難燃性組成物層を構成する難燃性組成物として
は、クロロプレンゴムに難燃剤、たとえばアルミナ水和
物、水酸化マグネシウム、水酸化カルシウム等の水和物
系の難燃剤、リン系難燃剤、ハロゲン系難燃剤等を配合
した酸素指数６０以上を有する組成物が好適する。The flame retardant composition constituting the flame retardant composition layer of the present invention includes chloroprene rubber and flame retardants, such as hydrate-based flame retardants such as alumina hydrate, magnesium hydroxide, and calcium hydroxide, and phosphorus. A composition having an oxygen index of 60 or more and containing a flame retardant, a halogen flame retardant, etc. is suitable.
（作 用）
本発明の防水シートは、各層の諸特性が相互補完と相乗
効果を発揮して、防水防湿効果や機械的特性等が向上す
るとともに優れた難燃性が付与される。(Function) In the waterproof sheet of the present invention, the properties of each layer complement each other and exhibit a synergistic effect, thereby improving waterproofing and moisture-proofing effects, mechanical properties, etc., and providing excellent flame retardancy.
（実施例） 以下、本発明の実施例を図面を用いて説明する。(Example) Embodiments of the present invention will be described below with reference to the drawings.
第１図は本発明の一実施例の防水シートを示す断面図で
ある。FIG. 1 is a sectional view showing a waterproof sheet according to an embodiment of the present invention.
同図に示すように、この実施例の防水シートは、後述す
るような肩型紙１１上に、ゴムアスファルト組成物層１
２、両面に難燃性組成物層１３が設けられたポリエチレ
ン粗布１４、ポリエチレンフィルム１５、ポリニスデル
繊維からなる不織布１６が順にＷｉ層され一体化された
構造とされている。As shown in the figure, the waterproof sheet of this example has a rubber asphalt composition layer 1 on a shoulder paper 11 as described later.
2. It has an integrated structure in which a polyethylene rough cloth 14 having a flame retardant composition layer 13 on both sides, a polyethylene film 15, and a nonwoven fabric 16 made of polynisder fibers are sequentially layered with Wi layer.
なおポリエチレンフィルム１５とこれに接する難燃性組
成物層１３とは薄く展延されたゴムアスファルト組成物
層１７を介して接着されている。The polyethylene film 15 and the flame-retardant composition layer 13 in contact therewith are bonded together via a thinly spread rubber asphalt composition layer 17.
この実施例の防水シートは、たとえば次のようにして製
造することができる。The waterproof sheet of this example can be manufactured, for example, as follows.
不織布１６の片面に、押出ラミネーション法によりポリ
エチレンフィルム１５を押出し一体に融着させて長尺シ
ートを得る。A polyethylene film 15 is extruded and fused to one side of the nonwoven fabric 16 by extrusion lamination to obtain a long sheet.
一層クラフト紙の片面にシリコーン樹脂をコーティング
した離型紙１１を連続的に送り出し、そのシリコーン樹
脂面に１５０°Ｃ程度に加熱して溶融させたゴムアスフ
ァルト組成物を流延し、ドクタークリアランスを通過さ
せて厚さ ０．５ｖｎのゴムアスファルト組成物層１２
を形成させる。A release paper 11 coated with silicone resin on one side of a single layer of kraft paper is continuously fed out, and a rubber asphalt composition heated to about 150°C and melted is cast onto the silicone resin surface and passed through a doctor clearance. Rubber asphalt composition layer 12 with a thickness of 0.5vn
to form.
この後このゴムアスファルト組成物層１２表面に、予め
両面に難燃性組成物層１３を形成しておいたポリエチレ
ン粗布１４を積層し、さらにこの上にゴムアスファルト
組成物層１７を介して上記長尺シートを接着させること
により本実施例の防水シートが製造される。Thereafter, on the surface of this rubber asphalt composition layer 12, a polyethylene rough cloth 14 on which a flame retardant composition layer 13 has been previously formed on both sides is laminated, and further on this, a rubber asphalt composition layer 17 is interposed between the polyethylene rough cloth 14 and the above-mentioned length. The waterproof sheet of this example is manufactured by adhering the shaku sheets.
このようにして得られた防水シートは、優れた防水防湿
効果を有しているうえ、ｍ械的強度が大きく寸法安定性
も良好であった。また軽量で取扱いが容易であり、作業
性にも優れていた。さらに酸素指数が高い難燃性組成物
層が設けられているので優れた難燃効果を有していた。The thus obtained waterproof sheet had excellent waterproof and moisture-proof effects, as well as high mechanical strength and good dimensional stability. It was also lightweight and easy to handle, and had excellent workability. Furthermore, since a flame retardant composition layer with a high oxygen index was provided, it had an excellent flame retardant effect.
このように本発明の防水シートは、防水防湿効果や機械
的強度に加えて優れた難燃効果を有しているため、一般
の建築横遺物の防水防湿施工材料としてのみならず、特
に難燃化要求の強い高層ビル等の建築材料として極めて
有用である。In this way, the waterproof sheet of the present invention has an excellent flame retardant effect in addition to waterproof and moisture-proof effects and mechanical strength, so it is not only used as a waterproof and moisture-proof construction material for general architectural artifacts, but also as a particularly flame-retardant construction material. It is extremely useful as a building material for high-rise buildings, etc., which have strong demands for improvement.
なお本発明において、難燃性組成物層を設ける位置とし
ては、必ずしも上記実施例に限定されるものではなく、
たとえば基材層の片面もしくは両面に設けるなど、ゴム
アスファルト組成物層上の任意の位置に一層またはそれ
以上を設けるようにしてもよい。In the present invention, the position where the flame retardant composition layer is provided is not necessarily limited to the above examples,
For example, one or more layers may be provided at any position on the rubber asphalt composition layer, such as on one or both sides of the base material layer.
［発明の効果コ
以上説明したように本発明の防水シートによれば、離型
材上に防水防湿効果に優れたゴムアスファルト組成物層
、機械的強度が大きく寸法安定性に優れた粗布、防水性
を有するプラスチックフィルム、保護層を順に設け、さ
らに優れた難燃効果を有する難燃性組成物層を設けた構
造としたので、防水防湿効果や機械的特性等を大幅に向
上させることができるとともに優れた難燃性が付与され
る。[Effects of the Invention] As explained above, the waterproof sheet of the present invention has a rubber asphalt composition layer with excellent waterproof and moisture-proof effects on the mold release material, sackcloth with high mechanical strength and excellent dimensional stability, and waterproof property. The structure has a structure in which a plastic film with a flame-retardant properties, a protective layer, and a flame-retardant composition layer with an excellent flame-retardant effect are provided in order, so that the waterproof and moisture-proof effect and mechanical properties can be greatly improved. Provides excellent flame retardancy.
第１図は本発明の一実施例の防水シートを示す断面図、
第２図は本発明を構成する粗布を示す平面図、第３図乃
至第７図はそれぞれ従来の防水シートを示す縦断面図で
ある。
１１・・・・・・・・・離型紙
１２・・・・・・・・・ゴムアスファルト組成物層１３
・・・・・・・・・難燃性組成物層１４・・・・・・・
・・ポリエチレン粗布１５・・・・・・・・・ポリエチ
レンフィルム１６・・・・・・・・・不織布
１７・・・・・・・・・ゴムアスファルト組成物層出願
人 昭和１：Ｓ、線電攬株式会社代理人 弁
理士 須 山 佐 −
（ほか１名）
第１図
第２図
′第５図
第７図FIG. 1 is a sectional view showing a waterproof sheet according to an embodiment of the present invention;
FIG. 2 is a plan view showing the sackcloth constituting the present invention, and FIGS. 3 to 7 are longitudinal sectional views showing conventional waterproof sheets, respectively. 11...Release paper 12...Rubber asphalt composition layer 13
......Flame retardant composition layer 14...
...Polyethylene canvas cloth 15 ......Polyethylene film 16 ......Nonwoven fabric 17 ......Rubber asphalt composition layer Applicant Showa 1: S, line Representative of Denkyu Co., Ltd. Patent attorney Satoshi Suyama - (1 other person) Figure 1 Figure 2' Figure 5 Figure 7
Claims (2)
フィン系プラスチックフィルムを一軸延伸させたスプリ
ットウェブを延伸方向を交叉させて積層し一体に熱融着
させてなる粗布、プラスチックフィルム、基材層を順に
設けてなる防水シートにおいて、前記ゴムアスファルト
組成物層上に少なくとも一層の難燃性組成物層を設ける
ことを特徴とする防水シート。(1) A rubber asphalt composition layer on a mold release material, a split web made by uniaxially stretching a polyolefin plastic film, which are laminated with their stretching directions intersecting and heat-sealed together to form a sackcloth, a plastic film, and a base material layer. 1. A waterproof sheet comprising at least one flame retardant composition layer provided on the rubber asphalt composition layer.
加してなる組成物から構成されている特許請求の範囲第
１項記載の防水シート。(2) The waterproof sheet according to claim 1, wherein the flame retardant composition layer is composed of a composition obtained by adding a flame retardant to chloroprene rubber.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP26016086A JPS63114744A (en) | 1986-10-31 | 1986-10-31 | Waterproof sheet |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP26016086A JPS63114744A (en) | 1986-10-31 | 1986-10-31 | Waterproof sheet |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS63114744A true JPS63114744A (en) | 1988-05-19 |
Family
ID=17344150
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP26016086A Pending JPS63114744A (en) | 1986-10-31 | 1986-10-31 | Waterproof sheet |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS63114744A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2002120313A (en) * | 2000-10-18 | 2002-04-23 | Toyobo Co Ltd | Waterproof reinforcing material, and film coating waterproof construction method using the same |
-
1986
- 1986-10-31 JP JP26016086A patent/JPS63114744A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2002120313A (en) * | 2000-10-18 | 2002-04-23 | Toyobo Co Ltd | Waterproof reinforcing material, and film coating waterproof construction method using the same |
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