JPH06158026A - Heat-insulating foamed sealing material - Google Patents

Heat-insulating foamed sealing material

Info

Publication number
JPH06158026A
JPH06158026A JP31229292A JP31229292A JPH06158026A JP H06158026 A JPH06158026 A JP H06158026A JP 31229292 A JP31229292 A JP 31229292A JP 31229292 A JP31229292 A JP 31229292A JP H06158026 A JPH06158026 A JP H06158026A
Authority
JP
Japan
Prior art keywords
sealing material
joint
heat insulating
vinylidene chloride
foamed
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.)
Withdrawn
Application number
JP31229292A
Other languages
Japanese (ja)
Inventor
Ichiro Ibuki
一郎 伊吹
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Asahi Chemical Industry Co Ltd
Original Assignee
Asahi Chemical Industry Co Ltd
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
Publication date
Application filed by Asahi Chemical Industry Co Ltd filed Critical Asahi Chemical Industry Co Ltd
Priority to JP31229292A priority Critical patent/JPH06158026A/en
Publication of JPH06158026A publication Critical patent/JPH06158026A/en
Withdrawn legal-status Critical Current

Links

Abstract

PURPOSE:To obtain a foamed sealing material excellent in heat insulating properties, recovery, etc., and suitable for glazing for general building material, a metal curtain wall/PC curtain wall joint, an ALC panel joint, an asbestos slate joint, a sash joint, a concrete/precast concrete joint, other material for civil engineering or construction, heat insulating repair material, etc. CONSTITUTION:This material consists essentially of a sealing material and multi-cellular foamed vinylidene chloride particles.

Description

【発明の詳細な説明】Detailed Description of the Invention

【0001】[0001]

【産業上の利用分野】本発明は、シーリング材料であ
り、一般的な建築材料のガラス留め、メタルカーテンウ
ォール/PCカーテンウォールの目地、ALCパネルの
目地、石綿スレート板の目地、サッシ回りの目地、コン
クリート/プレキャストコンクリートの目地、その他土
木建材、断熱補修材等のシーリング材料に関するもので
ある。
TECHNICAL FIELD The present invention is a sealing material, which is a general construction material such as glass fastening, joint of metal curtain wall / PC curtain wall, joint of ALC panel, joint of asbestos slate board, joint around sash. , Concrete / precast concrete joints, and other sealing materials such as civil engineering building materials and heat insulation repair materials.

【0002】[0002]

【従来の技術】従来、建築用シーリング材料としては、
シリコン樹脂系、変性シリコン樹脂系、ポリサルファイ
ト系、ポリウレタン系、アクリル樹脂系、アクリルウレ
タン樹脂系又はSBR系等がある。湿気硬化性、乾燥硬
化性、反応硬化性のものがあり、それぞれ用途に応じて
使い分けている。しかしながら、いずれも高分子材料で
あり、熱伝導率が高いためヒートブリッジを起こし易
い。また、肉やせによるシール効果の低下もある。
2. Description of the Related Art Conventionally, as a sealing material for construction,
There are silicone resin type, modified silicone resin type, polysulfite type, polyurethane type, acrylic resin type, acrylic urethane resin type, SBR type and the like. There are moisture-curable, dry-curable, and reaction-curable types, which are selected according to the application. However, all of them are polymeric materials and have high thermal conductivity, so that heat bridges easily occur. In addition, there is also a decrease in the sealing effect due to lean meat.

【0003】[0003]

【発明が解決しようとする課題】本発明は、発泡粒子を
用いて、上記従来品の欠点を解決するものであり、断熱
性、シール性の優れた断熱発泡シーリング材料を提供す
ることを目的とするものである。
SUMMARY OF THE INVENTION The present invention solves the above-mentioned drawbacks of conventional products by using expanded particles, and an object thereof is to provide a heat insulating foam sealing material having excellent heat insulating properties and sealing properties. To do.

【0004】[0004]

【課題を解決するための手段】本発明者らは、前記課題
を解決するため、一般的なシーリング材料に断熱性、回
復性、耐薬品性に優れた多泡質の塩化ビニリデン系樹脂
発泡粒子を複合した材料につき鋭意検討した結果、本発
明を完成するに至った。すなわち、本発明は、シーリン
グ材料及び多泡質の塩化ビニリデン系樹脂発泡粒子を必
須成分とする断熱発泡シーリング材料に関するものであ
る。
In order to solve the above problems, the present inventors have found that a general sealing material is a polyfoamed vinylidene chloride resin foamed particle having excellent heat insulating properties, recoverability and chemical resistance. As a result of diligent studies on a composite material of the above, the present invention has been completed. That is, the present invention relates to a sealing material and an adiabatic foam sealing material containing foamed vinylidene chloride resin foam particles as an essential component.

【0005】本発明において、シーリング材料として
は、シリコン樹脂系、変性シリコン樹脂系、ポリサルフ
ァイト系、ポリウレタン系、アクリル樹脂系、SBR樹
脂系、アクリルウレタン樹脂系、ブチル樹脂系、ゴムア
スファルト系等の公知なものをあげることができる。本
発明において、塩化ビニリデン系樹脂発泡粒子として
は、非晶質の塩化ビニリデン共重合体に発泡剤を含浸し
たビーズを、発泡させて得られる発泡粒子を言う。非晶
質の塩化ビニリデン共重合体とは、塩化ビニリデンが1
0重量%以上、85重量%以下、共重合可能なモノマー
が15重量%以上、90重量%以下からなる共重合体で
ある。塩化ビニリデンが10重量%未満であると、強度
が低下する。85重量%を越えると塩化ビニリデン共重
合体は、結晶性となり発泡性が低下する。
In the present invention, as the sealing material, silicone resin type, modified silicone resin type, polysulfite type, polyurethane type, acrylic resin type, SBR resin type, acrylic urethane resin type, butyl resin type, rubber asphalt type, etc. The publicly known one can be mentioned. In the present invention, the foamed vinylidene chloride resin particles are foamed particles obtained by foaming beads obtained by impregnating an amorphous vinylidene chloride copolymer with a foaming agent. An amorphous vinylidene chloride copolymer is vinylidene chloride
It is a copolymer comprising 0% by weight or more and 85% by weight or less, and 15% by weight or more and 90% by weight or less of a copolymerizable monomer. If the vinylidene chloride content is less than 10% by weight, the strength will be reduced. If it exceeds 85% by weight, the vinylidene chloride copolymer becomes crystalline and the foamability is lowered.

【0006】共重合可能なモノマーとしては塩化ビニ
ル、(メタ)アクリロニトリル、スチレン、α−メチル
スチレン、およびアクリル酸メチルといったアクリル酸
エステル類、メタアクリル酸メチルといったメタアクリ
ル酸エステル類、N−フェニルマレイミドといったN−
置換マレイミド等が挙げられる。これらは単独、もしく
は2種以上を組み合わせて用いてもよい。
The copolymerizable monomers include vinyl chloride, (meth) acrylonitrile, styrene, α-methylstyrene, and acrylic acid esters such as methyl acrylate, methacrylic acid esters such as methyl methacrylate, and N-phenylmaleimide. Such as N-
Substituted maleimide and the like can be mentioned. You may use these individually or in combination of 2 or more types.

【0007】また、塩化ビニリデン共重合体を架橋構造
にしてもよい。架橋構造を持たせると発泡体が独立気泡
に富み、発泡成形性は向上する。架橋剤としては、ジビ
ニルベンゼン、ネオペンチルグリコールジ(メタ)アク
リレート、1,6−ヘキサンジオールジ(メタ)アクリ
レート、エチレングリコール系ジ(メタ)アクリレー
ト、プロピレングリコール系ジ(メタ)アクリレート等
を挙げることができる。
The vinylidene chloride copolymer may have a crosslinked structure. The crosslinked structure makes the foam rich in closed cells and improves the foam moldability. Examples of the crosslinking agent include divinylbenzene, neopentyl glycol di (meth) acrylate, 1,6-hexanediol di (meth) acrylate, ethylene glycol di (meth) acrylate, and propylene glycol di (meth) acrylate. You can

【0008】重合方法としては公知の重合方法、例えば
懸濁重合、乳化重合、溶液重合、塊状重合等の中から任
意の方法を用いて製造することができる。重合開始剤と
しては公知のラジカル開始剤が使用できる。含浸方法に
ついては当該ビーズに発泡剤をガス状、液状で直接接す
ることにより含浸する直接含浸法や、当該ビーズのスラ
リー液に発泡剤を添加し、水中で接触させることにより
含浸させる水中懸濁含浸法や、重合中に発泡剤を添加す
ることにより含浸させる重合含浸法等が使用できる。
As the polymerization method, any known method can be used, for example, suspension polymerization, emulsion polymerization, solution polymerization, bulk polymerization and the like. A known radical initiator can be used as the polymerization initiator. As for the impregnation method, a direct impregnation method in which the foaming agent is directly contacted with the beads in a gaseous or liquid state, or a suspension in water in which the foaming agent is added to the slurry liquid of the beads and impregnated by contacting in water And a polymerization impregnation method in which a foaming agent is added during polymerization to impregnate it.

【0009】発泡剤としては、例えばプロパン、ブタ
ン、イソブタン、ペンタン等の脂肪族炭化水素類、塩化
メチル、塩化エチル、塩化メチレン等の塩素化炭化水素
類、モノクロロジフルオロエタン、トリフロロエタン、
ジフロロエタン、ジクロロトリフロロエタン、1,1−
ジクロロ−1フロロエタン、2,2−ジクロロ−1,
1,1トリフロロエタン、1,1,1,2−テトラフロ
ロエタン等のフッ素化炭化水素類およびこれらの混合物
が使用できる。
Examples of the blowing agent include aliphatic hydrocarbons such as propane, butane, isobutane and pentane, chlorinated hydrocarbons such as methyl chloride, ethyl chloride and methylene chloride, monochlorodifluoroethane, trifluoroethane,
Difluoroethane, dichlorotrifluoroethane, 1,1-
Dichloro-1 fluoroethane, 2,2-dichloro-1,
Fluorinated hydrocarbons such as 1,1 trifluoroethane, 1,1,1,2-tetrafluoroethane and mixtures thereof can be used.

【0010】発泡粒子を得る方法としては、発泡剤を含
有した塩化ビニリデン系樹脂粒子を蒸気、熱水、熱風等
の加熱媒体で加熱すると簡単に多泡質の発泡粒子が得ら
れる。加熱する条件としては、目標とする発泡倍率に応
じて選択される。使用する発泡ビーズの発泡倍率として
は、10〜80倍のものが良好である。また、発泡粒子
の粒径は、シールする部位によって違うが、0.1mm
〜8mmのものが使用できる。
As a method for obtaining foamed particles, multi-foamed foamed particles can be easily obtained by heating vinylidene chloride resin particles containing a foaming agent with a heating medium such as steam, hot water or hot air. The heating conditions are selected according to the target expansion ratio. The expansion ratio of the expanded beads used is preferably 10 to 80 times. Also, the diameter of the foamed particles is 0.1 mm, depending on the part to be sealed.
A thing of ~ 8 mm can be used.

【0011】混合させる組成比としては、塩化ビニリデ
ン系樹脂発泡粒子10〜99体積%、シーリング材料1
〜90体積%であり、要求物性に応じて比率を決定でき
る。また、必要に応じて難燃剤、補強材、着色剤、増量
剤等のフィラーを添加してもよい。難燃材としては、ア
ンチモン系、りん酸エステル系、ハロゲン化合物、水酸
化アルミニウム等の物質が挙げられる。
The composition ratio to be mixed is 10 to 99% by volume of foamed vinylidene chloride resin particles and 1 of the sealing material.
It is up to 90% by volume, and the ratio can be determined according to the required physical properties. Further, if necessary, a filler such as a flame retardant, a reinforcing material, a coloring agent, and a filler may be added. Examples of the flame-retardant material include antimony-based, phosphoric acid ester-based, halogen compounds, aluminum hydroxide, and other substances.

【0012】塩化ビニリデン系樹脂発泡粒子は、耐薬品
性に優れているため、シーリング材に侵されず、また溶
剤系のシーリング材にも使用出来る。本発明の断熱発泡
シーリング材料の調整は、まず、上記記述したシーリン
グ材料の中から目的にあったものを選び、そのシーリン
グ材料のなかに塩化ビニリデン系樹脂発泡粒子を混合す
る。よく分散させるため機械的に混練を行い、必要に応
じて、減圧脱泡により混合時に巻き込んだ気泡を除去す
る。それを、断熱発泡シーリング材料として使用する。
Since the vinylidene chloride resin foamed particles have excellent chemical resistance, they are not attacked by the sealing material and can be used as a solvent type sealing material. In adjusting the heat-insulating foam sealing material of the present invention, first, a sealing material suitable for the purpose is selected from the above-mentioned sealing materials, and vinylidene chloride resin foam particles are mixed into the sealing material. Mechanical kneading is performed to disperse well, and air bubbles entrained during mixing are removed by vacuum degassing, if necessary. It is used as an insulating foam sealing material.

【0013】本発明の断熱発泡シーリング材料の施工法
は一般的に行っている方法でよい。まず、施工する目地
部周辺にマスキングテープを張り、施工部にプライマー
を塗布する。次に準備した断熱発泡シーリング材料を目
地幅にあったノズルを装着したスプレーガンにより目地
り底部から充填する。ヘラ、ナイフ等により表面を平滑
に仕上げる。マスキングテープを除去し、必要に応じて
シール部を養生する。
The method for applying the heat insulating foam sealing material of the present invention may be a commonly used method. First, a masking tape is applied around the joint portion to be constructed, and a primer is applied to the construction portion. Next, the prepared heat insulating foam sealing material is filled from the bottom of the joint with a spray gun equipped with a nozzle suitable for the joint width. Smooth the surface with a spatula or knife. Remove the masking tape and cure the seal as necessary.

【0014】塩化ビニリデン系樹脂発泡粒子は、断熱性
に優れているため、発泡粒子の混合度合いにより容易に
シーリング材料に対して、断熱性を付与できる。また、
回復性にも優れているため、シール性が高く、シーリン
グ部の肉やせ防止効果もある。また、発泡粒子であるた
め、軽量効果もある。従って、一般的な建築材料に適し
ており、ガラス留め、メタルカーテンウォール/PCカ
ーテンウォールの目地、ALCパネルの目地、石綿スレ
ート板の目地、サッシ回りの目地、コンクリート/プレ
キャストコンクリートの目地、その他土木建材、断熱補
修材等のシーリング材に用いられる。
Since the expanded vinylidene chloride resin particles have excellent heat insulating properties, the heat insulating properties can be easily imparted to the sealing material depending on the mixing degree of the expanded particles. Also,
Since it is also excellent in recoverability, it has a high sealing property, and also has an effect of preventing skin thinning at the sealing portion. Further, since it is foamed particles, it also has a lightweight effect. Therefore, it is suitable for general building materials, such as glass fastening, metal curtain wall / PC curtain wall joints, ALC panel joints, asbestos slate board joints, joints around sashes, concrete / precast concrete joints, and other civil engineering Used for sealing materials such as building materials and heat insulation repair materials.

【0015】なお、本発明で使用した物性値は以下の評
価方法により測定した値である。 ・熱伝導率:ASTM D−518に基づく。
The physical property values used in the present invention are values measured by the following evaluation methods. -Thermal conductivity: Based on ASTM D-518.

【0016】[0016]

【実施例】以下実施例により本発明を具体的に説明す
る。
The present invention will be described in detail with reference to the following examples.

【0017】[0017]

【実施例1】シリコン樹脂系シーリング材料40体積%
に、粒径が1mm〜3mmの多泡質の塩化ビニリデン系
樹脂発泡粒子60体積%を混合する。よく分散するため
に混合機により混合する。その調整した断熱発泡シーリ
ング材料をPCカーテンウォール板の目地にシールす
る。その施工した断熱発泡シーリング材の熱伝導率は
0.051kcal/m・h・℃であり、断熱性、軽量
性に優れたシーリング材料であった。
[Example 1] 40% by volume of a silicone resin-based sealing material
First, 60% by volume of foamed vinylidene chloride resin foam particles having a particle diameter of 1 mm to 3 mm is mixed. Mix with a mixer for good dispersion. The prepared heat insulating foam sealing material is sealed to the joints of the PC curtain wall board. The heat insulating foam sealing material thus constructed had a thermal conductivity of 0.051 kcal / m · h · ° C, and was a sealing material excellent in heat insulating property and light weight.

【0018】本発明の断熱発泡シーリング材料をPCカ
ーテンウォールの目地のシーリング材料として用いた例
を図1に示す。
An example in which the heat insulating foam sealing material of the present invention is used as a sealing material for joints of a PC curtain wall is shown in FIG.

【0019】[0019]

【発明の効果】本発明は、断熱性に優れているため、ヒ
ートブリッジを起こしにくく、また回復性にも優れてい
るため、肉やせによるシール効果の低下も少ない。従っ
て、一般的な建築材料のガラス留め、メタルカーテンウ
ォール/PCカーテンウォールの目地、ALCパネルの
目地、石綿スレートの目地、サッシ回りの目地、コンク
リート/プレキャストコンクリートの目地、その他土木
建材、断熱補修材等のシーリング材料に適している。
EFFECTS OF THE INVENTION Since the present invention is excellent in heat insulating property, it is less likely to cause heat bridge, and is also excellent in recovery property, and therefore the decrease in sealing effect due to lean meat is small. Therefore, glass fastening of general building materials, joints of metal curtain walls / PC curtain walls, joints of ALC panels, joints of asbestos slate, joints around sashes, joints of concrete / precast concrete, other civil engineering construction materials, heat insulation repair materials Suitable for sealing materials such as.

【図面の簡単な説明】[Brief description of drawings]

【図1】本発明の断熱発泡シーリング材料を用いた例の
模式図。
FIG. 1 is a schematic view of an example using a heat insulating foam sealing material of the present invention.

【符号の説明】[Explanation of symbols]

1 シーリング材料 2 塩化ビニリデン系樹脂発泡粒子 3 PCカーテンウォール 1 Sealing material 2 Vinylidene chloride resin foam particles 3 PC curtain wall

フロントページの続き (51)Int.Cl.5 識別記号 庁内整理番号 FI 技術表示箇所 B29K 105:04 B29L 31:26 C08L 27:08 Continuation of the front page (51) Int.Cl. 5 Identification code Office reference number FI Technical display area B29K 105: 04 B29L 31:26 C08L 27:08

Claims (1)

【特許請求の範囲】[Claims] 【請求項1】シーリング材料及び多泡質の塩化ビニリデ
ン系樹脂発泡粒子を必須成分とする断熱発泡シーリング
材料。
1. A heat insulating foam sealing material comprising a sealing material and expanded foamed vinylidene chloride resin particles as an essential component.
JP31229292A 1992-11-20 1992-11-20 Heat-insulating foamed sealing material Withdrawn JPH06158026A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP31229292A JPH06158026A (en) 1992-11-20 1992-11-20 Heat-insulating foamed sealing material

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP31229292A JPH06158026A (en) 1992-11-20 1992-11-20 Heat-insulating foamed sealing material

Publications (1)

Publication Number Publication Date
JPH06158026A true JPH06158026A (en) 1994-06-07

Family

ID=18027498

Family Applications (1)

Application Number Title Priority Date Filing Date
JP31229292A Withdrawn JPH06158026A (en) 1992-11-20 1992-11-20 Heat-insulating foamed sealing material

Country Status (1)

Country Link
JP (1) JPH06158026A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8826611B2 (en) 2010-12-23 2014-09-09 Saint-Gobain Performance Plastics Corporation Structural glazing spacer

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8826611B2 (en) 2010-12-23 2014-09-09 Saint-Gobain Performance Plastics Corporation Structural glazing spacer
US9272499B2 (en) 2010-12-23 2016-03-01 Saint-Gobain Performance Plastics Corporation Structural glazing spacer

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Effective date: 20000201