JPH0497042A - Building waterproof material and waterproof method of building making use thereof - Google Patents
Building waterproof material and waterproof method of building making use thereofInfo
- Publication number
- JPH0497042A JPH0497042A JP21268590A JP21268590A JPH0497042A JP H0497042 A JPH0497042 A JP H0497042A JP 21268590 A JP21268590 A JP 21268590A JP 21268590 A JP21268590 A JP 21268590A JP H0497042 A JPH0497042 A JP H0497042A
- Authority
- JP
- Japan
- Prior art keywords
- waterproofing
- applying
- coated
- waterproof
- building
- 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
- 239000000463 material Substances 0.000 title claims abstract description 54
- 238000000034 method Methods 0.000 title claims abstract description 33
- 239000003795 chemical substances by application Substances 0.000 claims abstract description 12
- 229920003225 polyurethane elastomer Polymers 0.000 claims abstract description 8
- 239000004721 Polyphenylene oxide Substances 0.000 claims abstract description 5
- 229920000570 polyether Polymers 0.000 claims abstract description 5
- 239000012948 isocyanate Substances 0.000 claims abstract description 4
- 150000002513 isocyanates Chemical class 0.000 claims abstract description 4
- 229920005862 polyol Polymers 0.000 claims abstract description 4
- 150000003077 polyols Chemical class 0.000 claims abstract description 4
- 238000004078 waterproofing Methods 0.000 claims description 66
- 238000005507 spraying Methods 0.000 claims description 3
- 239000000758 substrate Substances 0.000 claims description 2
- 238000000576 coating method Methods 0.000 abstract description 7
- 239000011248 coating agent Substances 0.000 abstract description 5
- 238000002156 mixing Methods 0.000 abstract description 4
- JOYRKODLDBILNP-UHFFFAOYSA-N Ethyl urethane Chemical compound CCOC(N)=O JOYRKODLDBILNP-UHFFFAOYSA-N 0.000 abstract description 3
- 239000002987 primer (paints) Substances 0.000 abstract 2
- 238000005336 cracking Methods 0.000 abstract 1
- 239000000203 mixture Substances 0.000 abstract 1
- 239000002075 main ingredient Substances 0.000 description 10
- 239000010426 asphalt Substances 0.000 description 9
- 239000007788 liquid Substances 0.000 description 6
- 238000010276 construction Methods 0.000 description 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 230000035699 permeability Effects 0.000 description 3
- 230000001070 adhesive effect Effects 0.000 description 2
- 239000003973 paint Substances 0.000 description 2
- 208000000474 Poliomyelitis Diseases 0.000 description 1
- 239000000853 adhesive Substances 0.000 description 1
- 238000004040 coloring Methods 0.000 description 1
- 230000003111 delayed effect Effects 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 230000009182 swimming Effects 0.000 description 1
Abstract
Description
【発明の詳細な説明】
［産業上の利用分野〕
この出願の発明は、屋上、ベランダ、プール等の建築物
の防水に適した防水材、およびその防水材を用い１こ防
水工法に関するものである。[Detailed Description of the Invention] [Field of Industrial Application] The invention of this application relates to a waterproofing material suitable for waterproofing buildings such as rooftops, balconies, and swimming pools, and a one-piece waterproofing method using the waterproofing material. be.
〔従来の技術）
従来、この種の防水材としては、アスファルトノート系
のもの、塗膜系のものが存在する。そして、アスファル
トを用いた防水工法は、歴史が古く実績があり、価格が
安いため、非常に多く行われており、シート系のものを
用いた防水工法は、施工が比較的簡単で工期も短いとい
う特徴があり、塗膜系のものを用いた防水工法：よ、継
ぎ目がなくンームレスシールが可能で価格も安いという
ｖｆ徴がある。[Prior Art] Conventionally, as this type of waterproofing material, there are asphalt notebook type materials and paint film type materials. Waterproofing methods using asphalt have a long history and a proven track record, and are inexpensive, so they are widely used, while waterproofing methods using sheet-based materials are relatively easy to install and require a short construction period. This is a waterproofing method using a coating film, which has the characteristics of being able to create seamless seals and being inexpensive.
［発明が解決しようとする課題］
しかしながら、上記防水材としてのアスファルトは、伸
びが小さくクラック追従性に劣ると共に、半固体状であ
るので、塗布時には加熱じて溶融しなければならないと
いう課題を有していた。また、アスファルトは、水蒸気
透過性がないため膨れが発生し易く、剥離の原因となり
、耐久性↓こ劣るという課題を有りでいた。さらに、こ
のアスファルトを用いた防水工法は、クロスとアスファ
ルトの積層構造で何層も重ねていくため施工性に劣り、
また補修時に：！旧防水層を全面撤去しなければならず
手間と費用がかかるという課題を有巳ていた。[Problems to be Solved by the Invention] However, asphalt used as the waterproofing material has low elongation and poor crack followability, and is semi-solid, so it has the problem that it must be heated and melted during application. Was. Furthermore, since asphalt has no water vapor permeability, it is prone to blistering, which causes peeling, resulting in poor durability. Furthermore, this waterproofing method using asphalt has a laminated structure of cloth and asphalt and has poor workability.
Also during repair:! The problem was that the old waterproof layer had to be completely removed, which was time-consuming and costly.
また、上記防水材と′−ての７・−１〜系のものもアス
ファルトと同様二こ、水茎気運過性がないため膨れが発
生じ易く、剥離の原因となり、耐久性に劣るという課題
を有していた。そ巳て、このノート系のものを用いた防
水工法は、ソートとシートの継ぎ目が強度的↓こ弱く、
その部分かちクラックが入り、漏水′Ｊ−こり、剥離が
発生じ易く、また立上り、入角、出角や役物が多い場合
は、ノートを切り貼り巳なければならず、施工に手間が
かかるだけでなく、弱い部分が多くできるため２二耐久
性が極端に悪くなるという課題を有りでいた。In addition, similar to asphalt, the above-mentioned waterproof materials have the same problems as asphalt, such as blistering, which can cause peeling, and poor durability. had. However, in this waterproofing method using notebook type materials, the seam between the sort and the sheet is strong, but the seam is weak.
Cracks occur in those areas, water leaks, stiffness, and peeling are likely to occur, and if there are many rises, entrances, exits, and accessories, you will have to cut and paste the notebook, which will only take more time and effort. However, since there are many weak parts, there is a problem that the durability becomes extremely poor.
さらに、上記防水材とＬでの塗膜系のものも、伸びが小
さくクラック追従性；こ劣り、またアスファルト、ソー
ト系のものと同様に、水蒸気透過性がないため膨れが発
生し易く、剥離の原因となり、耐久性−二劣るという課
題を有していた。そりで、この塗膜系のものを用いた防
水工法：ま、作業者がコテまたはローラーを使用して施
工するため工期が長くかかり、しかも４〜５層重ねない
と厚みがつかないので乾燥が遅くなり工期がより長くか
かり、また硬化が遅いため、立上り面等は施工が不可能
であるという課題を有していた。Furthermore, the above waterproofing materials and L coatings have low elongation and poor crack followability, and like asphalt and sorting materials, they do not have water vapor permeability, so they tend to blister and peel. This caused the problem of poor durability. Waterproofing method using this coating film by sledding: Well, it takes a long time because workers use trowels or rollers to apply it, and it takes 4 to 5 layers to get thick enough to dry. The problem was that construction was delayed, took longer, and curing was slow, making it impossible to construct on rising surfaces.
そこで、この出願の発明の建築物用防水材およびその防
水材を用いた建築物の防水工法は、上記従来の建築物用
防水材およびその防水材を用いた建築物の防水工法が有
する課題を解決するためシこなされたものである。Therefore, the waterproofing material for buildings and the waterproofing method for buildings using the waterproofing material of the invention of this application solve the problems that the above-mentioned conventional waterproofing materials for buildings and the waterproofing method for buildings using the waterproofing material have. This was done to solve the problem.
３課題を解決するための手段）
そのため、この出願の発明の請求項１記載の建築物用防
水材は、常温超速硬化性ポリウレタンエラストマーより
なるものとしている。3. Means for Solving the Problems) Therefore, the waterproofing material for buildings according to claim 1 of the invention of this application is made of a polyurethane elastomer that cures very quickly at room temperature.
この出願の発明の請求項２記載の建築物用防水材は、請
求項１記載の常温超速硬化性ポリウレタンエラストマー
を、ポリエーテル系ポリオールを主成分とする主剤と、
イソンアネートプレポリマーを主成分とする硬化側より
なるものとじている二の出願の発明の請求項３記載の建
築物の防水工法は、被塗布体にプライマーの塗布を行う
工程、プライマーの塗布を行った被塗布体に、請求項１
または２記載の防水材の塗布を行う工程、よりなるもの
としている。The waterproofing material for buildings according to claim 2 of the invention of this application includes the room temperature ultra-fast curing polyurethane elastomer according to claim 1 as a main ingredient containing polyether polyol as a main component,
The method for waterproofing a building according to claim 3 of the invention of the second application, which comprises a curing side containing isonanate prepolymer as a main component, comprises a step of applying a primer to an object to be coated, applying the primer. Claim 1 applies to the coated object subjected to
or a step of applying the waterproofing material described in 2.
この出願の発明の請求項４記載の建築物の防水工法は、
前記請求項３記載の建築物の防水工法にトンブコートの
塗布を行う工程、を追加したものとしている。The building waterproofing method according to claim 4 of the invention of this application is as follows:
The method for waterproofing buildings according to claim 3 further includes the step of applying Tombu coat.
この出願の発明の請求項５記載の建築物の防水工法は、
前記請求項３記載の建築物の防水工法に、被塗布体の素
地調整を行う工程、を追加したものとしている。The building waterproofing method according to claim 5 of the invention of this application is as follows:
The waterproofing method for buildings according to claim 3 further includes a step of preparing the surface of the object to be coated.
この出願の発明の請求項６記載の建築物の防水工法は、
請求項４記載の建築物の防水工法に、被塗布体の素地調
整を行う工程、を追加したものとしている。The building waterproofing method according to claim 6 of the invention of this application is as follows:
The waterproofing method for a building according to claim 4 further includes a step of preparing the surface of the object to be coated.
この出願の発明の請求項７記載の建築物の防水工法は、
請求項３〜６の何れかに記載の建築物の防水工法におい
て、請求項Ｉまたは２記載の防水材の塗布を、スプレー
塗布としたものとしている３作用：
この出願の発明の建築物用防水材およびその防水材を用
いた建築物の防水工法は、上記手段を施したため、次の
ような作用を有する。The building waterproofing method according to claim 7 of the invention of this application is as follows:
In the waterproofing method for buildings according to any one of claims 3 to 6, the waterproofing material according to claim I or 2 is applied by spraying. 3 functions: Waterproofing for buildings according to the invention of this application The waterproofing method for buildings using the material and its waterproofing material has the following effects because the above-mentioned measures are taken.
この出願の発明の請求項１および２記載の建築物用防水
材は、常温で超速に硬化すると共に、水蒸気透過性を有
し、接着性に優れ、しかも伸びが大きく、塗膜強度が高
い。The waterproofing material for buildings according to claims 1 and 2 of the invention of this application cures extremely quickly at room temperature, has water vapor permeability, has excellent adhesive properties, has large elongation, and has high coating film strength.
この出願の発明の請求項３〜７記載の建築物用防水工法
における請求項１または２記載の防水材の塗布を行う工
程は、非常に短時間で終わり、次の工程への待ち時間が
少なくて済む。The step of applying the waterproofing material according to claim 1 or 2 in the waterproofing method for buildings according to claims 3 to 7 of the invention of this application can be completed in a very short time, and there is little waiting time for the next step. It's done.
以下、この出願の発明の建築物用防水材およびその防水
材を用いた建築物の防水工法を、実施例に基づき詳細に
説明する。Hereinafter, the waterproofing material for buildings according to the invention of this application and the waterproofing method for buildings using the waterproofing material will be described in detail based on Examples.
この出願の発明の建築物用防水材は、常温超速硬化性ポ
リウレタンエラストマーよりなる。この常温超速硬化性
ポリウレタンエラストマーは、実施例１および実施例２
に示す二液性のものが例示できるが、これに限定される
ものではない。The waterproofing material for buildings according to the invention of this application is made of a polyurethane elastomer that cures very quickly at room temperature. This room temperature ultra-fast curing polyurethane elastomer was prepared in Examples 1 and 2.
Examples include the two-liquid type shown in, but are not limited thereto.
実施例１゜
主剤；
主成分
外観
水分含有率
Ｈ
粘度（２０°Ｃ）
密度（２０°Ｃ）
引火へ
発火色
：硬化剤゛
主成分
外観
粘度（２０°Ｃ）
密度（２０°Ｃ）
引火点
流動点
：配合比率：
重量比率
容積比率
・・・主剤：硬化剤−１００ニアτ
・・・主剤：硬化剤＝ １００ ： ７４・・ポリエー
テル系ポリオ
・・・黄色不透明液体
・・・０．１％以下
・・・１０
−３，０ＯＯｃｐｓ
＝１． ０５ ｇ／ｃｎｆ
・・・１６５°Ｃ
・・・４７０°Ｃ
Ｊし
・・イソシアネートプレポリマー
・・・淡黄色透明液体
−５，０ＯＯｃｐｓ
・・・１．０９ｇ／ｃｍ
・・・１５０°Ｃ以上
・・・−１９°Ｃ
実施例２゜
〔主剤〕
主成分
外観
水分含有率
Ｈ
粘度（２０°Ｃ）
密度（２０°Ｃ）
引火点
発火点
［硬化剤］
主成分
外観
粘度（２０°Ｃ）
密度（２０°Ｃ）
引火点
流動点
〔配合比率〕
重量比率
容積比率
・・・主剤：硬化剤＝１００ ：１５０・・・主剤：硬
化剤−１００：１４７
・・・ポリエーテル系ポリオール
・・・黄色不透明液体
・・・０．１％以下
・・・１０
・・・３，０ＯＯｃｐｓ
・・・１．０５ｇ／ｃｍ
・・・１６５°Ｃ
・・・４７０°Ｃ
・・・イソシアネートプレポリマー
・・・淡黄色透明液体
・・・１２．０ＯＯｃｐｓ
・・・１．０７ｇ／ｃｊ
・・・２００°Ｃ以上
・・・−５°Ｃ
この出願の発明の建築物の防水工法は、上記防水材を用
いて行うものであり、次の各工程よりなる。Example 1 Main ingredient; Appearance moisture content of main component H Viscosity (20°C) Density (20°C) Color to ignite: Curing agent Appearance viscosity of main component (20°C) Density (20°C) Flash point Pour point: Mixing ratio: Weight ratio volume ratio...Main ingredient: Curing agent - 100 nia τ...Main ingredient: Curing agent = 100:74...Polyether polio...Yellow opaque liquid...0.1 % or less...10 -3,0OOcps =1. 05 g/cnf...165°C...470°C J...Isocyanate prepolymer...Pale yellow transparent liquid -5,0OOcps...1.09g/cm...150°C or more ...-19°C Example 2゜ [Main ingredient] Main ingredient appearance moisture content H Viscosity (20°C) Density (20°C) Flash point Ignition point [hardening agent] Main ingredient appearance viscosity (20°C) Density (20°C) Flash point Pour point [Blending ratio] Weight ratio volume ratio...Main ingredient: Curing agent = 100:150...Main ingredient: Curing agent -100:147...Polyether polyol...Yellow Opaque liquid...0.1% or less...10...3,0OOcps...1.05g/cm...165°C...470°C...Isocyanate prepolymer...Light Yellow transparent liquid...12.0OOcps...1.07g/cj...200°C or more...-5°C The waterproofing method for buildings according to the invention of this application is carried out using the above waterproofing material. It consists of the following steps.
ａ、被塗布体にプライマーの塗布を行う工程。a. Step of applying a primer to the object to be coated.
被塗布体として、コンクリートを選択し、プライマーと
して、−液性ウレタンプライマーを使用した。この工程
は必須であり、防水材の接着力を強化させるための工程
である。Concrete was selected as the object to be coated, and a liquid urethane primer was used as the primer. This step is essential and is a step to strengthen the adhesive strength of the waterproof material.
ｂ、前記プライマーの塗布を行った被塗布体に、上記防
水材の塗布を行う工程。b. A step of applying the waterproofing material to the object to be coated which has been coated with the primer.
上記二液性の防水材は、塗布直前に主剤と硬化剤を混合
して行う。この工程も当然に必須であり、塗布方法は特
に限定されないが、スプレー塗布するのが簡単で好まし
い。塗布後、約１時間で次の工程の作業が可能となり、
従来の防水材を用いた場合の１／２〜１／３の工期で施
工できるものとなった。そして、塗膜強度は、従来の防
水材を用いた場合より、５〜１０倍優れていた。伸びも
、従来の防水材を用いた場合の１０倍以上となり、クラ
ック追従性に優れていた。The above-mentioned two-component waterproofing material is prepared by mixing the main ingredient and the hardening agent immediately before application. This step is also essential, and the coating method is not particularly limited, but spray coating is preferred because it is simple. After application, the next process can be started in about 1 hour.
Construction can now be completed in 1/2 to 1/3 the time required when using conventional waterproofing materials. The strength of the coating film was 5 to 10 times better than when conventional waterproofing materials were used. The elongation was also more than 10 times that of conventional waterproofing materials, and the crack followability was excellent.
Ｃ８前記請求項１または２記載の防水材の塗布を行った
被塗布体に、トップコートの塗布を行う工程。C8 A step of applying a top coat to the object coated with the waterproof material according to claim 1 or 2.
トップコート剤として、柔軟型二液性ウレタン塗料を使
用した。この工程は任意であり、カラーリングが必要な
場合等に行われる。A flexible two-component urethane paint was used as the top coat agent. This step is optional and is performed when coloring is required.
ｄ、被塗布体の素地調整を行う工程。d. A step of adjusting the substrate of the object to be coated.
素地調整は、機械的または化学的に被塗布体表面を処理
するものである。この工程も任意であり、素地面が上記
防水材に馴染まない場合に、防水材の付着性をよくする
ために行われる。Surface preparation involves mechanically or chemically treating the surface of the object to be coated. This step is also optional, and is performed to improve the adhesion of the waterproof material when the base surface is not compatible with the waterproof material.
〔発明の効果］
この出願の発明の建築物用防水材およびその防水材を用
いた建築物の防水工法は、以上に述べたように構成され
ているので、次のような効果を有する。[Effects of the Invention] The waterproofing material for buildings and the waterproofing method for buildings using the waterproofing material of the invention of this application are configured as described above, and therefore have the following effects.
この出願の発明の請求項１および２記載の建築物用防水
材は、クラック追従性がよくなり、膨れが発生すること
がなく、剥離の心配もなく、耐久性に優れたものとなる
。The waterproofing material for buildings according to claims 1 and 2 of the invention of this application has good crack followability, does not bulge, does not have to worry about peeling, and has excellent durability.
この出願の発明の請求項３〜７記載の建築物の防水工法
は、水平面、垂直面はもちろん、天井面にも施工可能で
、しかもシームレスシールが可能で、膜厚も自由に調整
できる。また、この防水工法は、補修時にも旧防水層を
全面撤去する必要はなく、破損した部分のみ再度施工を
行えばよいので、施工が簡単となる。さらに、この出願
の発明の請求項７記載の建築物の防水工法では、役物が
多い場合や形の複雑なものには施工が非常に簡単となる
。The waterproofing method for buildings according to claims 3 to 7 of the invention of this application can be applied not only to horizontal surfaces and vertical surfaces, but also to ceiling surfaces, seamless sealing is possible, and the film thickness can be freely adjusted. In addition, this waterproofing method does not require the entire removal of the old waterproof layer during repair, and only the damaged portions need to be reapplied, making construction easier. Furthermore, the method of waterproofing a building according to claim 7 of the invention of this application is very easy to perform in cases where there are many accessories or structures with complex shapes.
Claims (1)
ことを特徴とする建築物用防水材。 ２、常温超速硬化性ポリウレタンエラストマーを、ポリ
エーテル系ポリオールを主成分とする主剤と、イソシア
ネートプレポリマーを主成分とする硬化剤よりなるもの
としたことを特徴とする請求項１記載の建築物用防水材
。 ３、ａ、被塗布体にプライマーの塗布を行う工程、 ｂ、前記プライマーの塗布を行った被塗布 体に、請求項１または２記載の防水材の 塗布を行う工程、 よりなることを特徴とする建築物の防水工 法。 ４、ａ、被塗布体にプライマーの塗布を行う工程、 ｂ、前記プライマーの塗布を行った被塗布 体に、請求項１または２記載の防水材の 塗布を行う工程、 ｃ、前記請求項１または２記載の防水材の 塗布を行った被塗布体に、トップコート の塗布を行う工程、 よりなることを特徴とする建築物の防水工 法。 ５、ａ、被塗布体の素地調整を行う工程、 ｂ、前記素地調整を行った被塗布体に、プ ライマーの塗布を行う工程、 ｃ、前記プライマーの塗布を行った被塗布 体に、請求項１または２記載の防水材の 塗布を行う工程、 よりなることを特徴とする建築物の防水工 法。 ６、ａ、被塗布体の素地調整を行う工程、 ｂ、前記素地調整を行った被塗布体に、プ ライマーの塗布を行う工程、 ｃ、前記プライマーの塗布を行った被塗布 体に、請求項１または２記載の防水材の 塗布を行う工程、 ｄ、前記請求項１または２記載の防水材の 塗布を行った被塗布体に、トップコート の塗布を行う工程、 よりなることを特徴とする建築物の防水工 法。 ７、前記請求項１または２記載の防水材の塗布を、スプ
レー塗布としたことを特徴とする請求項３〜６の何れか
に記載の建築物の防水工法。[Claims] 1. A waterproofing material for buildings, characterized by being made of a polyurethane elastomer that cures very quickly at room temperature. 2. For buildings according to claim 1, characterized in that the polyurethane elastomer curable at room temperature ultra-fastly is composed of a main component mainly composed of polyether polyol and a curing agent mainly composed of isocyanate prepolymer. Waterproof material. 3. A step of applying a primer to the object to be coated; b. A step of applying the waterproofing material according to claim 1 or 2 to the object to be coated on which the primer has been applied. Waterproofing method for buildings. 4. a. Applying a primer to the object to be coated; b. Applying the waterproofing material according to claim 1 or 2 to the object to be coated with the primer; c. Claim 1. or a step of applying a top coat to a coated object that has been coated with the waterproofing material described in 2. 5. a. A step of adjusting the substrate of the object to be coated; b. A step of applying a primer to the object to be coated after the surface adjustment; c. A method of waterproofing a building, comprising: a step of applying the waterproofing material according to 1 or 2. 6. a. A step of adjusting the surface of the object to be coated; b. A step of applying a primer to the object to be coated after the surface adjustment; c. A step of applying the waterproof material according to claim 1 or 2; d. A step of applying a top coat to the object coated with the waterproof material according to claim 1 or 2. Waterproofing method for buildings. 7. The method for waterproofing a building according to any one of claims 3 to 6, wherein the waterproofing material according to claim 1 or 2 is applied by spraying.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP21268590A JPH0497042A (en) | 1990-08-10 | 1990-08-10 | Building waterproof material and waterproof method of building making use thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP21268590A JPH0497042A (en) | 1990-08-10 | 1990-08-10 | Building waterproof material and waterproof method of building making use thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0497042A true JPH0497042A (en) | 1992-03-30 |
Family
ID=16626724
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP21268590A Pending JPH0497042A (en) | 1990-08-10 | 1990-08-10 | Building waterproof material and waterproof method of building making use thereof |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0497042A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2018520277A (en) * | 2015-04-27 | 2018-07-26 | イー・アイ・デュポン・ドウ・ヌムール・アンド・カンパニーＥ．Ｉ．Ｄｕ Ｐｏｎｔ Ｄｅ Ｎｅｍｏｕｒｓ Ａｎｄ Ｃｏｍｐａｎｙ | Waterproof membrane |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS548517A (en) * | 1977-06-22 | 1979-01-22 | Nippon Gakki Seizo Kk | Action mechanism of pianos |
| JPS58125716A (en) * | 1982-01-21 | 1983-07-26 | Sumitomo Chem Co Ltd | Polyurethane type resin composition |
| JPH0372517A (en) * | 1989-05-09 | 1991-03-27 | Asahi Glass Co Ltd | Curable polyurethane composition with excellent flexibility |
-
1990
- 1990-08-10 JP JP21268590A patent/JPH0497042A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS548517A (en) * | 1977-06-22 | 1979-01-22 | Nippon Gakki Seizo Kk | Action mechanism of pianos |
| JPS58125716A (en) * | 1982-01-21 | 1983-07-26 | Sumitomo Chem Co Ltd | Polyurethane type resin composition |
| JPH0372517A (en) * | 1989-05-09 | 1991-03-27 | Asahi Glass Co Ltd | Curable polyurethane composition with excellent flexibility |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2018520277A (en) * | 2015-04-27 | 2018-07-26 | イー・アイ・デュポン・ドウ・ヌムール・アンド・カンパニーＥ．Ｉ．Ｄｕ Ｐｏｎｔ Ｄｅ Ｎｅｍｏｕｒｓ Ａｎｄ Ｃｏｍｐａｎｙ | Waterproof membrane |
| JP2022008667A (en) * | 2015-04-27 | 2022-01-13 | イー・アイ・デュポン・ドウ・ヌムール・アンド・カンパニー | Waterproof film |
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