JPH09324062A - Moisture-permeable waterproof sheet for building material - Google Patents
Moisture-permeable waterproof sheet for building materialInfo
- Publication number
- JPH09324062A JPH09324062A JP8145742A JP14574296A JPH09324062A JP H09324062 A JPH09324062 A JP H09324062A JP 8145742 A JP8145742 A JP 8145742A JP 14574296 A JP14574296 A JP 14574296A JP H09324062 A JPH09324062 A JP H09324062A
- Authority
- JP
- Japan
- Prior art keywords
- ethylene
- sheet
- propylene
- pores
- weight
- 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.)
- Granted
Links
Classifications
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P20/00—Technologies relating to chemical industry
- Y02P20/141—Feedstock
Landscapes
- Manufacture Of Porous Articles, And Recovery And Treatment Of Waste Products (AREA)
- Laminated Bodies (AREA)
- Compositions Of Macromolecular Compounds (AREA)
Abstract
Description
【０００１】[0001]
【発明の属する技術分野】本発明は、透湿性とともに防
水性を有する建材用シートに係り、さらに釘を用いて釘
打ちによる取り付け後、その部分からの漏水を防止する
ことができる、優れた釘打ち漏水防水性を有し、壁材の
最外装や屋根下地用等の建築用材料として好適に使用す
ることができる建材用透湿・防水性シートに関する。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a building material sheet having moisture permeability and waterproofness, and further, it is an excellent nail which can prevent water leakage from the portion after mounting by nailing with a nail. The present invention relates to a moisture permeable / waterproof sheet for building materials, which has water leakage resistance and can be suitably used as a building material such as an outermost wall material or a roof substrate.
【０００２】[0002]
【従来の技術】従来、壁材の最外装や屋根下地用等に使
用される建築用材料として、（ａ）アスファルト等を不
織布含浸したシート、（ｂ）充填剤を添加したオレフィ
ン系樹脂等からなるシートを延伸して得られる微細な孔
部を有する多孔質シート及び、（ｃ）不織布等が知られ
ている。しかしながら、上記（ａ）のシートは、防水性
や釘打ち後の釘穴防水性は優れているが、透湿性がない
ため、内部からの湿気がシートで遮断され下地の板材を
腐らせるという問題点があった。また、（ｂ）のシート
及び（ｃ）の不織布については、シートや不織布の孔径
を制御することにより防水性と透湿性を満足させること
はできるが、釘穴防水性に劣るという問題点があった。2. Description of the Related Art Conventionally, as a building material used for the outermost of wall materials, roof substrates, etc., (a) a sheet impregnated with non-woven fabric such as asphalt, (b) an olefin resin containing a filler, etc. A porous sheet having fine pores obtained by stretching the sheet, and (c) a nonwoven fabric are known. However, the above-mentioned sheet (a) has excellent waterproofness and waterproofness of nail holes after nailing, but has no moisture permeability, so that moisture from the inside is blocked by the sheet and the underlying plate material is rotted. There was a point. Regarding the sheet (b) and the non-woven fabric (c), the waterproofness and moisture permeability can be satisfied by controlling the pore diameter of the sheet or the non-woven fabric, but there is a problem that the nail hole waterproofness is poor. It was
【０００３】[0003]
【発明が解決しようとする課題】本発明は、釘打ち部分
からの漏水を防止することができる、優れた釘穴防水性
を有し、壁材の最外装や屋根下地用等の建築用材料とし
て好適に使用することができる建材用透湿・防水性シー
トを提供することを目的とする。DISCLOSURE OF THE INVENTION The present invention has excellent nail hole waterproofness capable of preventing water leakage from a nailed portion, and is a building material for outermost wall materials, roof roof substrates, etc. An object of the present invention is to provide a moisture permeable / waterproof sheet for building materials, which can be suitably used as.
【０００４】[0004]
【課題を解決するための手段】本発明は上記課題を解決
するものであって、請求項１の発明は、エチレン成分と
プロピレン成分のモル比が１０：９０〜７０：３０のエ
チレン−プロピレンゴムとポリプロピレンの共重合体１
００〜４０重量％と、エチレン−プロピレン共重合体ゴ
ム０〜６０重量％を含有する組成物からなるシートに直
径４０〜２００μｍで孔密度が５〜１００個／ｃｍ2 の
細孔を穿孔したことを特徴とする。また、請求項２の発
明は、直径２２０〜１０００μｍで孔密度が５〜１００
個／ｃｍ2 の細孔を穿孔してなるエチレン成分とプロピ
レン成分のモル比が１０：９０〜７０：３０のエチレン
−プロピレンゴムとポリプロピレンの共重合体１００〜
４０重量％と、エチレン−プロピレン共重合体ゴム０〜
６０重量％を含有する組成物からなるシートに、微多孔
シートを積層したことを特徴とする。さらに請求項３の
発明は、直径２２０〜１０００μｍで孔密度が５〜１０
０個／ｃｍ2 の細孔を穿孔してなるエチレン成分とプロ
ピレン成分のモル比が１０：９０〜７０：３０のエチレ
ン−プロピレンゴムとポリプロピレンの共重合体１００
〜４０重量％と、エチレン−プロピレン共重合体ゴム０
〜６０重量％を含有する組成物からなるシートに、通気
度が７０ｃｃ／ｃｍ2 秒以下の不織布を積層したことを
特徴とする。The present invention is to solve the above problems, and the invention of claim 1 provides an ethylene-propylene rubber having a molar ratio of ethylene component to propylene component of 10:90 to 70:30. And polypropylene copolymer 1
Pores having a diameter of 40 to 200 μm and a pore density of 5 to 100 / cm 2 are formed in a sheet composed of a composition containing 0 to 40% by weight and an ethylene-propylene copolymer rubber 0 to 60% by weight. Is characterized by. The invention of claim 2 has a diameter of 220 to 1000 μm and a pore density of 5 to 100 μm.
100-copolymer of ethylene-propylene rubber and polypropylene having a molar ratio of ethylene component and propylene component of 10/90 to 70:30 formed by perforating pores / cm 2
40 wt% and ethylene-propylene copolymer rubber 0 to
A microporous sheet is laminated on a sheet made of a composition containing 60% by weight. Further, the invention of claim 3 has a diameter of 220 to 1000 μm and a pore density of 5 to 10
Copolymer 100 of ethylene-propylene rubber and polypropylene having a molar ratio of ethylene component and propylene component of 10/90 to 70:30, which is formed by perforating 0 pores / cm 2.
~ 40 wt% and ethylene-propylene copolymer rubber 0
A nonwoven fabric having an air permeability of 70 cc / cm 2 seconds or less is laminated on a sheet made of a composition containing 60 to 60% by weight.
【０００５】[0005]
【発明の実施の形態】以下、本発明を実施例に基づき詳
細に説明する。本発明で使用されるエチレン−プロピレ
ンゴムとポリプロピレンの共重合体（以下「ＥＰＲＰ
Ｐ」という）は、エチレン成分とプロピレン成分ととの
混合比を調整してエチレン−プロピレンゴムとポリプロ
ピレンとを同時に重合したもので、最終的にはエチレン
−プロピレンゴム（ＥＰＲ）とポリプロピレン（ＰＰ）
が共重合した構造となっている。本発明のＥＰＲＰＰ
は、エチレン成分とプロピレン成分のモル比が１０：９
０〜７０：３０の範囲としてあり、カレンダー成形法等
による釘穴防止性の点から、好ましくは２０：８０〜６
０：４０の範囲である。また、ＥＰＲＰＰは、ＪＩＳＫ
６７５８に定められたメルトフローレートが０．１〜
１．５ｇ／分、ＪＩＳ Ｋ７２０３に定められた曲げ弾
性率が１５００〜４０００ｋｇ／ｃｍ2 のものが好適に
使用できる。DESCRIPTION OF THE PREFERRED EMBODIMENTS Hereinafter, the present invention will be described in detail based on embodiments. The copolymer of ethylene-propylene rubber and polypropylene used in the present invention (hereinafter referred to as "EPRP
P)) is a polymer obtained by simultaneously polymerizing ethylene-propylene rubber and polypropylene by adjusting the mixing ratio of ethylene component and propylene component, and finally ethylene-propylene rubber (EPR) and polypropylene (PP).
Has a copolymerized structure. EPRPP of the present invention
Has a molar ratio of ethylene component to propylene component of 10: 9.
It is in the range of 0 to 70:30, and preferably 20:80 to 6 from the viewpoint of the nail hole prevention property by the calendar molding method or the like.
The range is 0:40. EPRPP is JISK
6758 has a melt flow rate of 0.1
Those having a bending elastic modulus of 1.5 g / min and a bending elastic modulus defined by JIS K7203 of 1500 to 4000 kg / cm 2 can be preferably used.
【０００６】本発明に用いられるエチレン−プロピレン
共重合体ゴムは、エチレン成分とプロピレン成分のモル
比が５０：５０〜９０：１０の範囲のものが好ましく、
さらに好ましくは７０：３０〜８０：２０の範囲のもの
である。このエチレン−プロピレン共重合体ゴムは、非
共役ジエン、例えばジシクロペンタジエン、エチリデン
ノルボルネン、ビニルノルボルネン等が１種又は２種以
上共重合されたエチレン−プロピレン−ジエン共重合体
を用いても良い。エチレン−プロピレン−ジエン共重合
体ゴムのヨウ素価は、０〜３０が好ましい。The ethylene-propylene copolymer rubber used in the present invention preferably has an ethylene component / propylene component molar ratio in the range of 50:50 to 90:10.
More preferably, it is in the range of 70:30 to 80:20. The ethylene-propylene copolymer rubber may be an ethylene-propylene-diene copolymer in which one or more non-conjugated dienes such as dicyclopentadiene, ethylidene norbornene, vinyl norbornene are copolymerized. The iodine value of the ethylene-propylene-diene copolymer rubber is preferably 0 to 30.
【０００７】本発明においては、ＥＰＲＰＰに、エチレ
ン−プロピレン共重合体ゴムを０〜６０重量％，好まし
くは２０〜４０重量％を配合した組成物を用い、これを
カレンダー成形等によりシート状に作製する。上記配合
割合が６０重量％を越えると、良好な釘穴防止性が得ら
れず、かつカレンダー成形性が低下してピンホール等が
発生しやすく、良好なシートが得られない。In the present invention, a composition prepared by blending EPRPP with 0 to 60% by weight, preferably 20 to 40% by weight of an ethylene-propylene copolymer rubber is prepared into a sheet by calendering or the like. To do. If the blending ratio exceeds 60% by weight, good nail hole prevention properties cannot be obtained, and calender moldability is deteriorated to easily cause pinholes and the like, so that a good sheet cannot be obtained.
【０００８】上記シートには、透湿性と防水性の両特性
を付与するために特定の細孔を穿設してあり、細孔の直
径は４０〜２００μｍで孔密度が５〜１００個／ｃｍ2
の範囲とする。この細孔の直径の測定法は電子顕微鏡に
よる拡大写真により各細径の長径を測定し、その平均径
とする。細径の直径が４０μｍ未満では、透湿性に劣
り、また穿孔しずらいという問題点があり、２００μｍ
を越えると防水性が劣るという問題がある。孔密度が５
個／ｃｍ2 未満では透湿性に劣り、１００個／ｃｍ2 を
越えると穿孔しずらいという問題がある。The above-mentioned sheet is provided with specific pores for imparting both moisture permeability and waterproof property, the diameter of the pores is 40 to 200 μm, and the pore density is 5 to 100 / cm. 2
Range. The method for measuring the diameter of the pores is to measure the major axis of each narrow diameter by an enlarged photograph taken with an electron microscope, and use it as the average diameter. If the diameter of the small diameter is less than 40 μm, there is a problem that the moisture permeability is poor and it is difficult to perforate.
If it exceeds, there is a problem that the waterproof property is poor. Pore density is 5
Is less than number / cm 2 poor moisture permeability, there is a problem that perforation exceeds 100 / cm 2 hesitation.
【０００９】上記シートに細孔を設ける方法としては、
針等による機械的な穿孔法により設ければ良く、上記シ
ートのような曲げ弾性率を有するシートでは、機械的な
穿孔による破壊は少なく、圧縮による変形が大きいた
め、針等を引き抜いたとき、圧縮変形が解放されて小さ
い孔径の細孔が得られやすい。As a method of forming pores in the sheet,
It may be provided by a mechanical perforation method using a needle or the like, and in a sheet having a bending elastic modulus such as the above-mentioned sheet, there is little breakage due to mechanical perforation, and since deformation due to compression is large, when the needle or the like is pulled out, Compressive deformation is released and pores with a small pore size are easily obtained.
【００１０】次に、請求項２の発明においては、さらに
優れた透湿性を要求れる分野で使用することができるも
のであって、上記シートに穿孔する細孔の直径を２２０
〜１０００μｍで孔密度が５〜１００個／ｃｍ2 の範囲
とする。細孔の直径が１０００μｍを越えると、防水性
と釘穴防水性に劣るという問題がある。また、請求項２
の発明においては、上記穿孔したシートに微多孔シート
を積層してあり、防水性を改良することができる。微多
孔シートとしては、微細な孔部を有するものであり、孔
部の直径は通常１〜１００μｍ程度のものが、防水性と
透湿性に優れており好ましい。In the second aspect of the invention, the sheet can be used in a field requiring further excellent moisture permeability, and the diameter of the pores perforated in the sheet is 220.
The pore density is in the range of 5 to 100 holes / cm 2 at ˜1000 μm. When the diameter of the pores exceeds 1000 μm, there is a problem that the waterproof property and the nail hole waterproof property are poor. In addition, claim 2
In the invention, the microporous sheet is laminated on the perforated sheet to improve the waterproof property. The microporous sheet has fine pores, and the diameter of the pores is usually about 1 to 100 μm, which is excellent in waterproofness and moisture permeability, and is preferable.
【００１１】このような微多孔シートの製造法として
は、種々の方法が知られており、例えば充填剤を添加し
たオレフィン系樹脂等からなるシートを延伸して得る方
法、合成樹脂シートにレーザーイオンビームを照射する
方法等により製造する。微多孔シートの厚みはとくに限
定されないが、製造上から３０〜２００μｍのものを好
適に使用することができる。上記シートと微多孔シート
との積層方法としては、熱融着法又は接着剤による積層
等の方法により、全面積層であっても、部分的な接着で
あっても良い。Various methods are known as methods for producing such a microporous sheet. For example, a method obtained by stretching a sheet made of an olefin resin or the like to which a filler is added, a synthetic resin sheet with laser ions. It is manufactured by a method of irradiating a beam. Although the thickness of the microporous sheet is not particularly limited, a microporous sheet having a thickness of 30 to 200 μm can be preferably used in terms of production. As a method of laminating the above-mentioned sheet and the microporous sheet, a method such as a heat fusion method or a method of laminating with an adhesive may be used for the entire surface laminating or the partial laminating.
【００１２】更に、請求項３の発明においては、優れた
防水性を要求れる分野で使用することができるものであ
って、細孔の直径を２２０〜１０００μｍで孔密度が５
〜１００個／ｃｍ2 の範囲としたシートに、通気度が７
０ｃｃ／ｃｍ2 秒以下の不織布を積層したことを特徴と
しており、これにより防水性を改良することができる。
不織布としては、湿式不織布、乾式不織布、スパンボン
ド不織布、メルトブロー不織布等があり、素材としては
アクリル系、ナイロン系、ポリエステル系、ポリオレフ
ィン系等が挙げられる。上記シートと通気度が７０ｃｃ
／ｃｍ2 秒以下の不織布との積層方法としては、熱融着
法又は接着剤による積層等の方法により、全面積層であ
っても、部分的な接着であっても良い。Further, in the invention of claim 3, it can be used in a field requiring excellent waterproofness, and the diameter of the pores is 220 to 1000 μm and the pore density is 5.
The air permeability is 7 in the range of 100 to 100 / cm 2.
It is characterized by laminating non-woven fabrics of 0 cc / cm 2 seconds or less, which can improve waterproofness.
Nonwoven fabrics include wet non-woven fabrics, dry non-woven fabrics, spunbonded non-woven fabrics, melt blown non-woven fabrics, and the like, and materials such as acrylics, nylons, polyesters, and polyolefins. 70cc with the above sheet and air permeability
As a method of laminating with a nonwoven fabric at a speed of less than 1 cm 2 / cm 2 seconds, a method such as a heat fusion method or a method of laminating with an adhesive may be used for full laminating or partial adhesion.
【００１３】[0013]
【実施例】以下、本発明の実施例を詳細に説明する。 （実施例１）エチレン成分とプロピレン成分のモル比が
５０：５０のＥＰＲＰＰ（三菱化学（株）製、商品名Ｓ
ＰＸ９８３０）を４０重量％と、エチレン−プロピレン
共重合体ゴム（日本合成ゴム（株）製、商品名ＥＰ１８
１ＳＰ）を６０重量％の割合で配合した組成物を、ロー
ル温度１５０〜１７５℃で圧延し、厚み５００μｍのシ
ートを得た。得られたシートを用いて針により直径１５
０μｍの細孔を１０個／ｃｍ2 の孔密度で形成した。 （実施例２）エチレン成分とプロピレン成分のモル比が
６５：３５のＥＰＲＰＰ（ハイモント／昭和電工（株）
製、商品名ＰｒｏＦａｘ ＫＳ−０８１Ｐ）を４０重量
％と、エチレン−プロピレン共重合体ゴム（エクソン化
学（株）製商品名ＶＩＳＴＡＬＯＮ ＶＬ−３７０８
Ｐ）を６０重量％の割合で配合した組成物を、ロール温
度１５０〜１７５℃で圧延し、厚み５００μｍのシート
を得た。得られたシートを用いて針により直径１５０μ
ｍの細孔を１０個／ｃｍ2 の孔密度で形成した。 （実施例３）実施例１においてＥＰＲＰＰを７０重量％
とし、エチレン−プロピレン共重合体ゴムを３０重量％
とした以外は実施例１に同じ （実施例４）実施例１においてＥＰＲＰＰを１００重量
％とし、エチレン−プロピレン共重合体ゴムを０重量％
とした以外は実施例１に同じ （実施例５）実施例３において直径４０μｍの細孔を５
個／ｃｍ2 の孔密度で形成した以外は実施例３に同じ （実施例６）実施例３において直径４０μｍの細孔を５
０個／ｃｍ2 の孔密度で形成した以外は実施例３に同じ （実施例７）実施例３において直径４０μｍの細孔を１
００個／ｃｍ2 の孔密度で形成した以外は実施例３に同
じ （実施例８）実施例３において直径２００μｍの細孔を
１０個／ｃｍ2 の孔密度で形成した以外は実施例３に同
じ （比較例１）実施例１においてＥＰＲＰＰを３０重量％
とし、エチレン−プロピレン共重合体ゴムを７０重量％
とした以外は実施例１に同じ （比較例２）実施例３において直径３００μｍの細孔を
１０個／ｃｍ2 の孔密度で形成した以外は実施例３に同
じ （比較例３）実施例３において直径５００μｍの細孔を
１０個／ｃｍ2 の孔密度で形成した以外は実施例３に同
じ （比較例４）実施例３において直径１０００μｍの細孔
を１０個／ｃｍ2 の孔密度で形成した以外は実施例３に
同じ （比較例５）実施例３において直径１０００μｍの細孔
を１０個／ｃｍ2 の孔密度で形成した以外は実施例３に
同じ 上記のシートについて、 （１）透湿度 ： ＪＩＳ Ｚ ０２０８に準拠
し、温度４０℃、湿度９０％ＲＨで測定した。（ｇ／ｍ
2 ２４ｈｒ） （２）防水性 ： 建研式防水試験法（建設省建
築研究所）に準拠して防水性の有無を判定した。 （３）釘穴防水性 ： 直径３ｍｍの釘を打ったシー
トを建研式防水試験法に準拠して防水性の有無を判定し
た。 （４）釘穴防水耐久性： 直径３ｍｍの釘を打ったシー
トに８０〜−２０℃のヒートサイクル処理を５０サイク
ル行った後、上記釘穴防水性と同様に防水性の有無を判
定した。 の項目について評価し、評価結果を表１に示す。防水
性、釘穴防水性、釘穴防水耐久性については、漏水無の
場合に○、漏水有の場合に×を付した。Embodiments of the present invention will be described below in detail. (Example 1) EPRPP having a molar ratio of ethylene component and propylene component of 50:50 (manufactured by Mitsubishi Chemical Corporation, trade name S)
40% by weight of PX9830) and an ethylene-propylene copolymer rubber (manufactured by Nippon Synthetic Rubber Co., Ltd., trade name EP18).
1 SP) was mixed at a ratio of 60% by weight, and the composition was rolled at a roll temperature of 150 to 175 ° C. to obtain a sheet having a thickness of 500 μm. The diameter of the obtained sheet is 15 with a needle.
0 μm pores were formed with a pore density of 10 pores / cm 2 . (Example 2) EPRPP having a molar ratio of ethylene component and propylene component of 65:35 (Himont / Showa Denko KK)
Made by trade name ProFax KS-081P) at 40% by weight, ethylene-propylene copolymer rubber (trade name VISTALON VL-3708 manufactured by Exxon Chemical Co., Ltd.)
The composition containing 60% by weight of P) was rolled at a roll temperature of 150 to 175 ° C. to obtain a sheet having a thickness of 500 μm. The diameter of the obtained sheet is 150μ with a needle.
m pores were formed with a pore density of 10 / cm 2 . (Example 3) 70% by weight of EPRPP in Example 1
And ethylene-propylene copolymer rubber is 30% by weight.
(Example 4) EPRPP was 100% by weight and ethylene-propylene copolymer rubber was 0% by weight.
The same as Example 1 except that (Example 5) In Example 3, the number of pores having a diameter of 40 μm was 5
The same as Example 3 except that the holes were formed at a density of holes / cm 2 (Example 6) In Example 3, 5 pores having a diameter of 40 μm were formed.
Same as Example 3 except that the hole density was 0 / cm 2 (Example 7) In Example 3, 1 pore having a diameter of 40 μm was used.
Same as Example 3 except that the pore density was 00 / cm 2 (Example 8) In Example 3 except that the pores having a diameter of 200 μm were formed at 10 / cm 2 in Example 3. Same (Comparative Example 1) EPRPP 30% by weight in Example 1
And 70% by weight of ethylene-propylene copolymer rubber
Same as Example 1 except that (Comparative Example 2) Same as Example 3 except that pores having a diameter of 300 μm were formed at a pore density of 10 / cm 2 in Comparative Example 3 (Comparative Example 3) Example 3 The same as Example 3 except that the pores having a diameter of 500 μm were formed at a pore density of 10 / cm 2 (Comparative Example 4) The pores having a diameter of 1000 μm were formed at a pore density of 10 / cm 2 in Example 3. Same as Example 3 except that (Comparative Example 5) Same as Example 3 except that pores having a diameter of 1000 μm were formed at a density of 10 pores / cm 2 in Example 3 (1) Humidity: Measured at a temperature of 40 ° C. and a humidity of 90% RH according to JIS Z 0208. (G / m
2 24hr) (2) Waterproofness: The presence or absence of waterproofness was judged according to the Kenken-type waterproof test method (Ministry of Construction, Building Research Institute). (3) Nail hole waterproofness: The sheet having nails with a diameter of 3 mm was evaluated for waterproofness according to the Kenken-type waterproof test method. (4) Nail hole waterproof durability: After heat cycle treatment of 80 to -20 ° C for 50 cycles on a sheet on which a nail having a diameter of 3 mm was hit, the presence or absence of waterproof property was determined in the same manner as the nail hole waterproof property. The items are evaluated, and the evaluation results are shown in Table 1. Regarding waterproofness, waterproofness of nail holes, and durability of waterproofing of nail holes, O is given when there is no water leakage, and X is given when there is water leakage.
【００１４】[0014]
【表１】 表１から、エチレン成分とプロピレン成分のモル比が１
０：９０〜７０：３０のＥＰＲＰＰ１００〜４０重量％
と、エチレン−プロピレン共重合体ゴム０〜６０重量％
を含有する組成物からなるシートに直径４０〜２００μ
ｍで孔密度が５〜１００個／ｃｍ2 の細孔を穿孔したも
のは、透湿性、防水性、釘穴防水性、釘穴防水耐久性に
優れていることが分かる。これに対し、ＥＰＲＰＰを３
０重量％とし、エチレン−プロピレン共重合体ゴムを７
０重量％とした比較例１や、細孔の直径が２００μｍを
越える比較例２〜５では、防水性、釘穴防水性、釘穴防
水耐久性のいずれかがが劣ることが分かる。[Table 1] From Table 1, the molar ratio of ethylene component and propylene component is 1
0: 90-70: 30 EPRPP 100-40% by weight
And ethylene-propylene copolymer rubber 0 to 60% by weight
40 to 200 μm in diameter in a sheet made of a composition containing
It can be seen that the pores having a pore density of 5 to 100 pores / cm 2 at m are excellent in moisture permeability, waterproofness, nail hole waterproofness, and nail hole waterproofing durability. In contrast, EPRPP is 3
0% by weight, and ethylene-propylene copolymer rubber 7
It can be seen that in Comparative Example 1 in which 0% by weight is used and Comparative Examples 2 to 5 in which the pore diameter exceeds 200 μm, the waterproof property, the nail hole waterproof property, or the nail hole waterproof durability is poor.
【００１５】（実施例９）エチレン成分とプロピレン成
分のモル比が５０：５０のＥＰＲＰＰ（三菱化学（株）
製、商品名ＳＰＸ９８３０）を７０重量％と、エチレン
−プロピレン共重合体ゴム（日本合成ゴム（株）製、商
品名ＥＰ１８１ＳＰ）を３０重量％の割合で配合した組
成物を、ロール温度１５０〜１７５℃で圧延し、厚み５
００μｍのシートを得た。得られたシートを用いて針に
より直径３００μｍの細孔を１０個／ｃｍ2 の孔密度で
形成した。このシートに厚みが１００μｍの微多孔シー
ト（（株）トクヤマ製、商品名ＮＦシート）を１５０℃
で熱融着法により接着して積層シートを得た。 （実施例１０）エチレン成分とプロピレン成分のモル比
が６５：３５のＥＰＲＰＰ（ハイモント／昭和電工
（株）製、商品名ＰｒｏＦａｘ ＫＳ−０８１Ｐ）を７
０重量％と、エチレン−プロピレン共重合体ゴム（エク
ソン化学（株）製商品名ＶＩＳＴＡＬＯＮ ＶＬ−３７
０８Ｐ）を３０重量％の割合で配合した組成物を、ロー
ル温度１５０〜１７５℃で圧延し、厚み５００μｍのシ
ートを得た。得られたシートを用いて針により直径３０
０μｍの細孔を１０個／ｃｍ2 の孔密度で形成した。こ
のシートに厚みが１００μｍの微多孔シート（（株）ト
クヤマ製、商品名ＮＦシート）を１５０℃で熱融着法に
より接着して積層シートを得た。 （実施例１１）実施例９において直径５００μｍの細孔
を１０個／ｃｍ2 の孔密度で形成した以外は実施例９に
同じ （実施例１２）実施例９において直径１０００μｍの細
孔を１０個／ｃｍ2 の孔密度で形成した以外は実施例９
に同じ （比較例６）実施例９において直径２０００μｍの細孔
を１０個／ｃｍ2 の孔密度で形成した以外は実施例９に
同じ 上記のシートについて、上記の透湿度、防水性、釘穴防
水性、釘穴防水耐久性の項目について評価し、評価結果
を表２に示す。防水性、釘穴防水性、釘穴防水耐久性に
ついては、漏水無の場合に○、漏水有の場合に×を付し
た。Example 9 EPRPP (Mitsubishi Chemical Co., Ltd.) in which the molar ratio of ethylene component and propylene component is 50:50.
Manufactured by the trade name SPX9830) and ethylene-propylene copolymer rubber (manufactured by Japan Synthetic Rubber Co., Ltd., trade name EP181SP) at a ratio of 30% by weight, and a roll temperature of 150 to 175. Rolled at ℃, thickness 5
A sheet of 00 μm was obtained. Using the obtained sheet, pores having a diameter of 300 μm were formed with a needle at a pore density of 10 / cm 2 . A microporous sheet with a thickness of 100 μm (trade name NF sheet, manufactured by Tokuyama Corp.) is added to this sheet at 150 ° C.
Then, they were bonded by a heat fusion method to obtain a laminated sheet. (Example 10) EPRPP (trade name: ProFax KS-081P, manufactured by Highmont / Showa Denko KK) having a molar ratio of ethylene component and propylene component of 65:35 was 7
0% by weight and ethylene-propylene copolymer rubber (trade name VISTALON VL-37 manufactured by Exxon Chemical Co., Ltd.)
08P) was mixed at a ratio of 30% by weight, and the composition was rolled at a roll temperature of 150 to 175 ° C. to obtain a sheet having a thickness of 500 μm. The diameter of the obtained sheet is 30 with a needle.
0 μm pores were formed with a pore density of 10 pores / cm 2 . A microporous sheet having a thickness of 100 μm (manufactured by Tokuyama Corporation, trade name NF sheet) was adhered to this sheet at 150 ° C. by a heat fusion method to obtain a laminated sheet. (Example 11) Same as Example 9 except that pores having a diameter of 500 µm were formed at a pore density of 10 pores / cm 2 in Example 9. (Example 12) Ten pores having a diameter of 1000 µm were formed in Example 9. Example 9 except that the holes were formed with a hole density of / cm 2.
(Comparative Example 6) The same as Example 9 except that pores having a diameter of 2000 μm were formed at a pore density of 10 pores / cm 2 in Example 9, and the above-mentioned sheet was subjected to the above-mentioned moisture permeability, waterproofness, and nail holes. The items of waterproofness and nail hole waterproofing durability were evaluated, and the evaluation results are shown in Table 2. Regarding waterproofness, waterproofness of nail holes, and durability of waterproofing of nail holes, O is given when there is no water leakage, and X is given when there is water leakage.
【００１６】[0016]
【表２】 表２から、直径２２０〜１０００μｍで孔密度が５〜１
００個／ｃｍ2 の細孔を穿孔してなるエチレン成分とプ
ロピレン成分のモル比が１０：９０〜７０：３０のＥＰ
ＲＰＰ１００〜４０重量％と、エチレン−プロピレン共
重合体ゴム０〜６０重量％を含有する組成物からなるシ
ートに、微多孔シートを積層したものは、透湿性、防水
性、釘穴防水性、釘穴防水耐久性に優れていることが分
かる。これに対し、細孔の直径が１０００μｍを越える
比較例６では、釘穴防水性、釘穴防水耐久性が劣ること
が分かる。[Table 2] From Table 2, the diameter is 220 to 1000 μm and the pore density is 5 to 1
EP having a molar ratio of ethylene component and propylene component of 10/90 to 70:30, which is formed by piercing 00 pores / cm 2.
A microporous sheet laminated to a sheet made of a composition containing 100 to 40% by weight of RPP and 0 to 60% by weight of ethylene-propylene copolymer rubber has moisture permeability, waterproofness, nail hole waterproofness, and nails. It can be seen that the hole has excellent waterproof durability. On the other hand, in Comparative Example 6 in which the pore diameter exceeds 1000 μm, it can be seen that the nail hole waterproof property and the nail hole waterproof durability are poor.
【００１７】（実施例１３）エチレン成分とプロピレン
成分のモル比が５０：５０のＥＰＲＰＰ（三菱化学
（株）製、商品名ＳＰＸ９８３０）を７０重量％と、エ
チレン−プロピレン共重合体ゴム（日本合成ゴム（株）
製、商品名ＥＰ１８１ＳＰ）を３０重量％の割合で配合
した組成物を、ロール温度１５０〜１７５℃で圧延し、
厚み５００μｍのシートを得た。得られたシートを用い
て針により直径３００μｍの細孔を１０個／ｃｍ2 の孔
密度で形成した。このシートに通気度が８ｃｃ／ｃｍ2
秒で目付量１００ｇ／ｍ2 のポリプロピレン系メルトフ
ロー不織布（三井石油化学工業（株）製、商品名シンテ
ックスＭＢ Ｖ３１００ＮＩＥ）を１５０℃で熱融着法
により接着して積層シートを得た。 （実施例１４）エチレン成分とプロピレン成分のモル比
が６５：３５のＥＰＲＰＰ（ハイモント／昭和電工
（株）製、商品名ＰｒｏＦａｘ ＫＳ−０８１Ｐ）を７
０重量％と、エチレン−プロピレン共重合体ゴム（エク
ソン化学（株）製商品名ＶＩＳＴＡＬＯＮ ＶＬ−３７
０８Ｐ）を３０重量％の割合で配合した組成物を、ロー
ル温度１５０〜１７５℃で圧延し、厚み５００μｍのシ
ートを得た。得られたシートを用いて針により直径３０
０μｍの細孔を１０個／ｃｍ2 の孔密度で形成した。こ
のシートに通気度が８ｃｃ／ｃｍ2 秒で目付量１００ｇ
／ｍ2 のポリプロピレン系メルトフロー不織布（三井石
油化学工業（株）製、商品名シンテックスＭＢ Ｖ３１
００ＮＩＥ）を１５０℃で熱融着法により接着して積層
シートを得た。 （実施例１５）実施例１４において直径５００μｍの細
孔を１０個／ｃｍ2 の孔密度で形成した以外は実施例１
４に同じ （実施例１６）実施例１４において直径１０００μｍの
細孔を１０個／ｃｍ2 の孔密度で形成した以外は実施例
１４に同じ （比較例７）実施例１４において直径２０００μｍの細
孔を１０個／ｃｍ2 の孔密度で形成した以外は実施例１
４に同じ 上記のシートについて、上記の透湿度、防水性、釘穴防
水性、釘穴防水耐久性の項目について評価し、評価結果
を表３に示す。防水性、釘穴防水性、釘穴防水耐久性に
ついては、漏水無の場合に○、漏水有の場合に×を付し
た。(Example 13) 70% by weight of EPRPP (trade name SPX9830 manufactured by Mitsubishi Chemical Co., Ltd.) in which the molar ratio of ethylene component and propylene component is 50:50, and ethylene-propylene copolymer rubber (Nippon Gosei Co., Ltd.) Rubber Co., Ltd.
Manufactured by the company, trade name EP181SP) in a proportion of 30% by weight, and rolled at a roll temperature of 150 to 175 ° C.,
A sheet having a thickness of 500 μm was obtained. Using the obtained sheet, pores having a diameter of 300 μm were formed with a needle at a pore density of 10 / cm 2 . This sheet has an air permeability of 8 cc / cm 2
A polypropylene-based melt flow non-woven fabric (trade name: Syntex MB V3100NIE, manufactured by Mitsui Petrochemical Co., Ltd.) having a basis weight of 100 g / m 2 per second was adhered by a heat fusion method at 150 ° C. to obtain a laminated sheet. Example 14 EPRPP (trade name: ProFax KS-081P, manufactured by Highmont / Showa Denko KK) having a molar ratio of ethylene component and propylene component of 65:35 was 7
0% by weight and ethylene-propylene copolymer rubber (trade name VISTALON VL-37 manufactured by Exxon Chemical Co., Ltd.)
08P) was mixed at a ratio of 30% by weight, and the composition was rolled at a roll temperature of 150 to 175 ° C. to obtain a sheet having a thickness of 500 μm. The diameter of the obtained sheet is 30 with a needle.
0 μm pores were formed with a pore density of 10 pores / cm 2 . This sheet has an air permeability of 8 cc / cm 2 seconds and a basis weight of 100 g.
/ M 2 polypropylene-based melt flow non-woven fabric (Mitsui Petrochemical Co., Ltd., trade name Syntex MB V31
00 NIE) was adhered at 150 ° C. by a heat fusion method to obtain a laminated sheet. (Example 15) Example 1 was repeated except that the number of pores having a diameter of 500 µm was changed to 10 / cm 2 in Example 14.
Same as Example 4 (Example 16) Same as Example 14 except that pores having a diameter of 1000 μm were formed at a pore density of 10 / cm 2 in Example 14 (Comparative Example 7) Pores having a diameter of 2000 μm in Example 14 Example 1 except that the holes were formed with a hole density of 10 holes / cm 2.
Same as No. 4 With respect to the above-mentioned sheet, the above-mentioned items of moisture permeability, waterproofness, nail hole waterproofness, and nail hole waterproof durability were evaluated, and the evaluation results are shown in Table 3. Regarding waterproofness, waterproofness of nail holes, and durability of waterproofing of nail holes, O is given when there is no water leakage, and X is given when there is water leakage.
【００１８】[0018]
【表３】 表３から、直径２２０〜１０００μｍで孔密度が５〜１
００個／ｃｍ2 の細孔を穿孔してなるエチレン成分とプ
ロピレン成分のモル比が１０：９０〜７０：３０のＥＰ
ＲＰＰ１００〜４０重量％と、エチレン−プロピレン共
重合体ゴム０〜６０重量％を含有する組成物からなるシ
ートに、通気度が７０ｃｃ／ｃｍ2 秒以下の不織布を積
層したものは、透湿性、防水性、釘穴防水性、釘穴防水
耐久性に優れていることが分かる。これに対し、孔径が
１０００μｍを越える比較例７では、釘穴防水性、釘穴
防水耐久性が劣ることが分かる。[Table 3] From Table 3, the diameter is 220 to 1000 μm and the pore density is 5 to 1
EP having a molar ratio of ethylene component and propylene component of 10/90 to 70:30, which is formed by piercing 00 pores / cm 2.
A sheet composed of a composition containing 100 to 40% by weight of RPP and 0 to 60% by weight of an ethylene-propylene copolymer rubber and a nonwoven fabric having an air permeability of 70 cc / cm 2 seconds or less is laminated to have moisture permeability and waterproofness. It can be seen that it has excellent durability, nail hole waterproofness, and nail hole waterproofing durability. On the other hand, in Comparative Example 7 in which the hole diameter exceeds 1000 μm, it can be seen that the nail hole waterproof property and the nail hole waterproof durability are poor.
【００１９】[0019]
【発明の効果】以上の通り、本発明によれば、釘打ち部
分からの漏水を防止することができる、優れた釘打ち漏
水防水性を有し、壁材の最外装や屋根下地用等の建築用
材料として好適に使用することができる等の利点があ
る。As described above, according to the present invention, it is possible to prevent water leakage from the nailing portion, has excellent water leakage resistance for nailing, and is used for outermost wall materials, roof substrates, etc. It has the advantage that it can be suitably used as a building material.
───────────────────────────────────────────────────── フロントページの続き (51)Int.Cl.6 識別記号 庁内整理番号 ＦＩ 技術表示箇所 Ｃ０８Ｌ 23/16 ＬＣＹ Ｃ０８Ｌ 23/16 ＬＣＹ Ｅ０４Ｄ 5/12 Ｅ０４Ｄ 5/12 Ｊ Ｅ０４Ｆ 13/00 0231−2Ｅ Ｅ０４Ｆ 13/00 Ｂ ─────────────────────────────────────────────────── ─── Continuation of the front page (51) Int.Cl. 6 Identification code Internal reference number FI Technical display location C08L 23/16 LCY C08L 23/16 LCY E04D 5/12 E04D 5/12 J E04F 13/00 0231- 2E E04F 13/00 B
Claims (3)
が１０：９０〜７０：３０のエチレン−プロピレンゴム
とポリプロピレンの共重合体１００〜４０重量％と、エ
チレン−プロピレン共重合体ゴム０〜６０重量％を含有
する組成物からなるシートに直径４０〜２００μｍで孔
密度が５〜１００個／ｃｍ2 の細孔を穿孔したことを特
徴とする建材用透湿・防水性シート。1. A copolymer of ethylene-propylene rubber and polypropylene having a molar ratio of ethylene component and propylene component of 10:90 to 70:30 (100 to 40% by weight), and ethylene-propylene copolymer rubber (0 to 60% by weight). % Moisture-permeable and waterproof sheet for building materials, characterized in that a sheet made of a composition containing 10% by weight is provided with pores having a diameter of 40 to 200 μm and a pore density of 5 to 100 pores / cm 2 .
〜１００個／ｃｍ2の細孔を穿孔してなるエチレン成分
とプロピレン成分のモル比が１０：９０〜７０：３０の
エチレン−プロピレンゴムとポリプロピレンの共重合体
１００〜４０重量％と、エチレン−プロピレン共重合体
ゴム０〜６０重量％を含有する組成物からなるシート
に、微多孔シートを積層したことを特徴とする建材用透
湿・防水性シート。2. A pore density of 5 with a diameter of 220 to 1000 μm.
100 to 40% by weight of a copolymer of ethylene-propylene rubber and polypropylene having a molar ratio of ethylene component to propylene component of 10 to 90 to 70:30, which is formed by perforating 100 to 100 pores / cm 2 , and ethylene- A moisture permeable / waterproof sheet for building materials, comprising a microporous sheet laminated on a sheet made of a composition containing 0 to 60% by weight of a propylene copolymer rubber.
〜１００個／ｃｍ2の細孔を穿孔してなるエチレン成分
とプロピレン成分のモル比が１０：９０〜７０：３０の
エチレン−プロピレンゴムとポリプロピレンの共重合体
１００〜４０重量％と、エチレン−プロピレン共重合体
ゴム０〜６０重量％を含有する組成物からなるシート
に、通気度が７０ｃｃ／ｃｍ2 秒以下の不織布を積層し
たことを特徴とする建材用透湿・防水性シート。3. A diameter of 220 to 1000 μm and a pore density of 5
100 to 40% by weight of a copolymer of ethylene-propylene rubber and polypropylene having a molar ratio of ethylene component to propylene component of 10 to 90 to 70:30, which is formed by perforating 100 to 100 pores / cm 2 , and ethylene- A moisture permeable / waterproof sheet for building materials, comprising a sheet made of a composition containing 0 to 60% by weight of a propylene copolymer and a nonwoven fabric having an air permeability of 70 cc / cm 2 seconds or less.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP14574296A JP3689178B2 (en) | 1996-06-07 | 1996-06-07 | Moisture permeable and waterproof sheet for building materials |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP14574296A JP3689178B2 (en) | 1996-06-07 | 1996-06-07 | Moisture permeable and waterproof sheet for building materials |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH09324062A true JPH09324062A (en) | 1997-12-16 |
| JP3689178B2 JP3689178B2 (en) | 2005-08-31 |
Family
ID=15392105
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP14574296A Expired - Fee Related JP3689178B2 (en) | 1996-06-07 | 1996-06-07 | Moisture permeable and waterproof sheet for building materials |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP3689178B2 (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2007083537A (en) * | 2005-09-22 | 2007-04-05 | Mitsubishi Plastics Ind Ltd | Perforated laminate and its manufacturing method |
| JP2009052376A (en) * | 2007-08-29 | 2009-03-12 | Panahome Corp | Wallpaper, building material using the wallpaper, and covering structure of wall-shaped body |
| JP2009512776A (en) * | 2005-10-24 | 2009-03-26 | ダウ グローバル テクノロジーズ インコーポレイティド | Film, packaging prepared therefrom, and method of use |
| WO2018003736A1 (en) * | 2016-06-29 | 2018-01-04 | 綜研化学株式会社 | Water repellent film and method for producing same |
| JP2019048393A (en) * | 2017-09-08 | 2019-03-28 | 株式会社イノアックコーポレーション | Moisture permeable waterproof sheet and clothing fabric |
-
1996
- 1996-06-07 JP JP14574296A patent/JP3689178B2/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2007083537A (en) * | 2005-09-22 | 2007-04-05 | Mitsubishi Plastics Ind Ltd | Perforated laminate and its manufacturing method |
| JP4546910B2 (en) * | 2005-09-22 | 2010-09-22 | 三菱樹脂株式会社 | Method for producing porous laminate and porous laminate |
| JP2009512776A (en) * | 2005-10-24 | 2009-03-26 | ダウ グローバル テクノロジーズ インコーポレイティド | Film, packaging prepared therefrom, and method of use |
| JP2009052376A (en) * | 2007-08-29 | 2009-03-12 | Panahome Corp | Wallpaper, building material using the wallpaper, and covering structure of wall-shaped body |
| WO2018003736A1 (en) * | 2016-06-29 | 2018-01-04 | 綜研化学株式会社 | Water repellent film and method for producing same |
| JP2019048393A (en) * | 2017-09-08 | 2019-03-28 | 株式会社イノアックコーポレーション | Moisture permeable waterproof sheet and clothing fabric |
Also Published As
| Publication number | Publication date |
|---|---|
| JP3689178B2 (en) | 2005-08-31 |
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