JPS623790B2 - - Google Patents
Info
- Publication number
- JPS623790B2 JPS623790B2 JP14199079A JP14199079A JPS623790B2 JP S623790 B2 JPS623790 B2 JP S623790B2 JP 14199079 A JP14199079 A JP 14199079A JP 14199079 A JP14199079 A JP 14199079A JP S623790 B2 JPS623790 B2 JP S623790B2
- Authority
- JP
- Japan
- Prior art keywords
- glass
- polycarbonate resin
- adhesive
- plate
- resin plate
- 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.)
- Expired
Links
- 239000011521 glass Substances 0.000 claims description 69
- 229920005668 polycarbonate resin Polymers 0.000 claims description 37
- 239000004431 polycarbonate resin Substances 0.000 claims description 37
- 239000000853 adhesive Substances 0.000 claims description 26
- 230000001070 adhesive effect Effects 0.000 claims description 26
- 239000002131 composite material Substances 0.000 claims description 25
- 239000000463 material Substances 0.000 claims description 22
- 230000002093 peripheral effect Effects 0.000 claims description 20
- 238000010030 laminating Methods 0.000 claims description 3
- 206010040844 Skin exfoliation Diseases 0.000 claims 1
- 238000000034 method Methods 0.000 description 14
- 239000010410 layer Substances 0.000 description 7
- 239000012790 adhesive layer Substances 0.000 description 6
- 238000001816 cooling Methods 0.000 description 5
- 230000008602 contraction Effects 0.000 description 3
- 238000010438 heat treatment Methods 0.000 description 3
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 2
- NIXOWILDQLNWCW-UHFFFAOYSA-N acrylic acid group Chemical group C(C=C)(=O)O NIXOWILDQLNWCW-UHFFFAOYSA-N 0.000 description 2
- 229910052782 aluminium Inorganic materials 0.000 description 2
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000005340 laminated glass Substances 0.000 description 2
- 239000010959 steel Substances 0.000 description 2
- 239000005341 toughened glass Substances 0.000 description 2
- 241000283690 Bos taurus Species 0.000 description 1
- 229910000737 Duralumin Inorganic materials 0.000 description 1
- 230000005856 abnormality Effects 0.000 description 1
- 238000004026 adhesive bonding Methods 0.000 description 1
- 230000032683 aging Effects 0.000 description 1
- 229910045601 alloy Inorganic materials 0.000 description 1
- 239000000956 alloy Substances 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- IISBACLAFKSPIT-UHFFFAOYSA-N bisphenol A Chemical compound C=1C=C(O)C=CC=1C(C)(C)C1=CC=C(O)C=C1 IISBACLAFKSPIT-UHFFFAOYSA-N 0.000 description 1
- 230000000052 comparative effect Effects 0.000 description 1
- 230000006866 deterioration Effects 0.000 description 1
- 239000013013 elastic material Substances 0.000 description 1
- 229920006332 epoxy adhesive Polymers 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 239000005329 float glass Substances 0.000 description 1
- 239000012634 fragment Substances 0.000 description 1
- 229910010272 inorganic material Inorganic materials 0.000 description 1
- 239000011147 inorganic material Substances 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 150000002739 metals Chemical class 0.000 description 1
- 229920003217 poly(methylsilsesquioxane) Polymers 0.000 description 1
- 229920002037 poly(vinyl butyral) polymer Polymers 0.000 description 1
- 239000004417 polycarbonate Substances 0.000 description 1
- 229920000728 polyester Polymers 0.000 description 1
- 239000004814 polyurethane Substances 0.000 description 1
- 229920002635 polyurethane Polymers 0.000 description 1
- 239000002344 surface layer Substances 0.000 description 1
- 125000000391 vinyl group Chemical group [H]C([*])=C([H])[H] 0.000 description 1
- 229920002554 vinyl polymer Polymers 0.000 description 1
Landscapes
- Laminated Bodies (AREA)
- Joining Of Glass To Other Materials (AREA)
Description
【発明の詳細な説明】
本発明は複合ガラスに関し、更に詳くはポリカ
ーボネート樹脂板とガラス板との熱膨張差に起因
する、複合ガラス周辺部の接着層の剥離、気泡生
成等の現象発生を防止した複合ガラスに関する。DETAILED DESCRIPTION OF THE INVENTION The present invention relates to composite glass, and more particularly, to a method for preventing the occurrence of phenomena such as peeling of the adhesive layer and bubble formation in the peripheral area of composite glass due to the difference in thermal expansion between a polycarbonate resin plate and a glass plate. Regarding prevented composite glass.
従来より、ガラス板には破損し、飛散しやすい
欠点があるが、これをおぎなうためにポリビニル
ブチラールの如きゴム状弾性体をガラスの間に積
層した合せガラスが開発されてきた。しかし合せ
ガラスは破損に対しては貫通性と云う点で十分で
はない。これに対し、透明で衝撃強度の大きいポ
リカーボネート樹脂板が割れないガラスとして脚
光をあびて来ているが、表面が傷つきやすい欠点
をもつている。 Conventionally, glass plates have the disadvantage of being easily broken and scattered, but in order to overcome this problem, laminated glass in which a rubber-like elastic material such as polyvinyl butyral is laminated between the glass plates has been developed. However, laminated glass is not sufficiently penetrable against breakage. In contrast, polycarbonate resin plates that are transparent and have high impact strength are attracting attention as unbreakable glass, but they have the disadvantage that the surface is easily scratched.
しかして、このポリカーボネート樹脂板の長所
とガラス板の長所を組合せて、割れにくく、また
割れても破片が飛散せず、貫通しにくいしかも当
然ながら表面に傷がつかない複合ガラスの開発が
行われてきた。しかし、この複合ガラスは、ガラ
ス板とポリカーボネート樹脂板の線膨張係数の違
いにより((例えば−30℃の低温から＋80℃の高温
までの使用条件下で、ガラス板とPC板の長さが
１ｍあると両者の間に約6.6mm（片側3.3mm）の膨
脹収縮差がある))、周辺部において接着層の剥離
が生じ、それが徐々に生長し、外観を損うばかり
でなく、十分な強度の保証をすることが出来ない
欠点があつた。これを改良するのに、この膨脹係
数の違いを２つの方式で逃げることが試みられて
いる。 By combining the advantages of this polycarbonate resin plate with the advantages of glass plates, a composite glass was developed that is difficult to break, does not scatter fragments even if it breaks, is difficult to penetrate, and of course does not cause scratches on the surface. It's here. However, due to the difference in linear expansion coefficient between the glass plate and the polycarbonate resin plate (for example, under usage conditions ranging from a low temperature of -30℃ to a high temperature of +80℃, the length of the glass plate and the PC plate is 1m), If there is an expansion/contraction difference of approximately 6.6 mm (3.3 mm on one side) between the two, the adhesive layer will peel off at the periphery, and this will gradually grow, not only impairing the appearance but also causing insufficient There was a drawback that we could not guarantee the strength. In order to improve this problem, attempts have been made to avoid this difference in expansion coefficient using two methods.
第１の方式は、ゴム状接着剤を用い、接着剤の
弾性で逃げる方式である。しかし、この方式は例
えば、温度差が30℃でガラス板の長さが１ｍある
とポリカーボネート樹脂板との間に約1.7mmの膨
脹差ができ、接着剤の弾性による伸び縮みが追従
し得なくなり、接着面や接着層にヘヤライン状ク
ラツクや気泡状の剥離（これ等を総称してハクリ
と称す）が生ずる。更に、膨脹収縮の繰返し疲労
と経時変化による劣化の現象が進むにつれ、この
ハクリが著しくなる。 The first method uses a rubber-like adhesive and uses the elasticity of the adhesive to escape. However, with this method, for example, if the temperature difference is 30°C and the length of the glass plate is 1 m, there will be an expansion difference of about 1.7 mm between it and the polycarbonate resin plate, and the expansion and contraction due to the elasticity of the adhesive will not be able to follow. , hairline cracks or bubble-like peeling (these are collectively referred to as peeling) occur on the adhesive surface or adhesive layer. Furthermore, as the phenomenon of deterioration due to repeated expansion and contraction fatigue and aging progresses, this peeling becomes more noticeable.
第２の方式は、膨脹差をガラス板の強度と接着
剤の剪断強さでおさえ込んでしまう方式、すなわ
ち、ポリカーボネート樹脂板の膨脹をさせない方
式、正確にはガラス板とポリカーボネート樹脂板
の相対位置関係を変えないようにする方式であ
る。しかし、この方式でも外周から接着層のハク
リが生じてくる。 The second method is a method in which the difference in expansion is suppressed by the strength of the glass plate and the shear strength of the adhesive, that is, a method in which the polycarbonate resin plate is not allowed to expand.To be more precise, the relative position of the glass plate and the polycarbonate resin plate is used. This is a method to avoid changing the relationship. However, even with this method, peeling of the adhesive layer occurs from the outer periphery.
本発明者は、複合ガラス周辺部に発生するハク
リ現象を冷熱サイクルの繰返し実験により観察し
たところ、接着層のハクリは外周から発生し、
徐々に内側に向つて生長していくことが明らかと
なつた。更に本発明者は、このハクリ現象の発生
を防止する手段について鋭意検討した結果、前記
第２の方式で得られる複合ガラスのポリカーボネ
ート樹脂層の外周に特定の線膨脹係数を有する材
料からなる外周材をはめ込むと複合ガラスの周辺
部ハクリが著しく改良されることを知見し、本発
明に到達したものである。 The present inventor observed the peeling phenomenon that occurs around the periphery of composite glass through repeated experiments of cooling and heating cycles, and found that peeling of the adhesive layer occurs from the outer periphery.
It became clear that they gradually grew inward. Furthermore, as a result of intensive studies on means for preventing the occurrence of this peeling phenomenon, the present inventors have developed an outer peripheral material made of a material having a specific linear expansion coefficient for the outer periphery of the polycarbonate resin layer of the composite glass obtained by the second method. The present invention was developed based on the finding that the peeling of the peripheral part of composite glass was significantly improved by fitting the composite glass.
すなわち、本発明はポリカーボネート樹脂板の
両面に２枚のガラス板を接着剤を用いて積層して
なる複合ガラスにおいて、前記ポリカーボネート
樹脂板層の外周にポリカーボネート樹脂の線膨脹
係数に比して1/3倍以下の膨脹係数をもち、また
ガラスの線膨脹係数に比して1/2倍以上の膨脹係
数を有する外周材をはめ込んだことを特徴とする
外周ハクリの改良された複合ガラスに関する。 That is, the present invention provides a composite glass in which two glass plates are laminated on both sides of a polycarbonate resin plate using an adhesive. This invention relates to an improved composite glass with an outer periphery peeler, characterized in that a periphery material having an expansion coefficient of 3 times or less and an expansion coefficient of 1/2 or more times the linear expansion coefficient of the glass is fitted.
以下本発明を図面を用いて更に詳述する。 The present invention will be explained in more detail below using the drawings.
第１図及び第２図は本発明の複合ガラスの周辺
部断面構造を示す図である。複合ガラスは、２枚
のガラス板１の間にポリカーボネート樹脂板２を
挿設し、その間を接着剤３で接着して両板を積層
した複合ガラスにおいてその端部の外周に外周材
４をはめ込んだものである。 FIGS. 1 and 2 are diagrams showing the cross-sectional structure of the peripheral portion of the composite glass of the present invention. Composite glass is made by inserting a polycarbonate resin plate 2 between two glass plates 1, gluing them together with an adhesive 3, and laminating both plates.A peripheral material 4 is fitted around the outer periphery of the edge of the composite glass. It is something.
ガラス板１としては一般の透明な普通ガラス或
いはフロートガラスの板が用いられるが、強化ガ
ラス板、半強化ガラス板、着色したガラス板、型
板ガラス板等も用いることが出来る。 As the glass plate 1, an ordinary transparent glass plate or a float glass plate is used, but a tempered glass plate, a semi-tempered glass plate, a colored glass plate, a molded glass plate, etc. can also be used.
ポリカーボネート樹脂板２としては炭酸エステ
ル結合を分子主鎖中に有するポリカーボネート樹
脂の板が用いられ、好ましくはビスフエノールＡ
タイプのポリカーボネート樹脂を主成分とする板
が用いられる。 As the polycarbonate resin plate 2, a polycarbonate resin plate having a carbonate ester bond in the molecular main chain is used, preferably bisphenol A.
A board whose main component is a type of polycarbonate resin is used.
複合ガラスにおけるガラス板１の厚さとポリカ
ーボネート樹脂板２の厚さの関係は、ポリカーボ
ネート樹脂板の膨脹する力がガラス板の引張り強
度以下になるようにする。例えばポリカーボネー
ト樹脂板として厚さ10mmのものを用いるとき、ガ
ラス板の厚さは0.5mm以上とする必要があるが、
実用上はこれに安全性を考慮して２〜５mmとする
のが望ましい。またポリカーボネート樹脂板の厚
さ２mmのとき、ガラス板は0.1mm以上の厚さが必
要となるが、実用上は0.4mm〜１mmの厚さが望ま
しい。 The relationship between the thickness of the glass plate 1 and the thickness of the polycarbonate resin plate 2 in the composite glass is such that the expansion force of the polycarbonate resin plate is less than or equal to the tensile strength of the glass plate. For example, when using a polycarbonate resin plate with a thickness of 10 mm, the thickness of the glass plate must be 0.5 mm or more,
Practically speaking, it is desirable to set the thickness to 2 to 5 mm in consideration of safety. Further, when the thickness of the polycarbonate resin plate is 2 mm, the glass plate needs to have a thickness of 0.1 mm or more, but a thickness of 0.4 mm to 1 mm is practically desirable.
接着剤３としてはポリカーボネート樹脂板２、
ガラス板１及び外周材４の３者に有効な透明な接
着剤、或いはポリカーボネート樹脂板２とガラス
板１と外周材４の間に有効な接着剤が用いられ
る。かかる接着剤としては、例えばポリウレタン
系接着剤、エポキシ系接着剤、ビニール系接着剤
或いはポリエステル系もしくはアクリル系の光硬
化型接着剤等が挙げられる。これらのうちポリカ
ーボネート樹脂を白化させないものが好ましく、
また20Kg／cm2以上、更には40Kg／cm2以上の剪断強
度を有する接着剤が好ましい。接着剤の剪断強度
は大きい程々の効果は大となるが、実用上200
Kg／cm2程度にもなればその効果は差が殆んどなく
なる。 As adhesive 3, polycarbonate resin plate 2,
A transparent adhesive that is effective between the glass plate 1 and the outer circumferential member 4, or an effective adhesive between the polycarbonate resin plate 2, the glass plate 1, and the outer circumferential member 4 is used. Examples of such adhesives include polyurethane adhesives, epoxy adhesives, vinyl adhesives, and photocurable polyester or acrylic adhesives. Among these, those that do not whiten the polycarbonate resin are preferred;
Further, an adhesive having a shear strength of 20 Kg/cm 2 or more, more preferably 40 Kg/cm 2 or more is preferable. The higher the shear strength of the adhesive, the greater the effect, but in practice it is
If it reaches about Kg/ cm2 , the difference in effect will almost disappear.
接着剤層の厚さは特に限定されないが、通常
0.05〜２mm、好ましくは0.2〜0.7mmである。 The thickness of the adhesive layer is not particularly limited, but is usually
It is 0.05-2 mm, preferably 0.2-0.7 mm.
外周材４はガラスの線膨脹係数に等しいか或い
はそれに近い線膨脹係数の材質からなり、主に無
機物質の材料例えばガラスそのものか、或いは
鋼、鉄、アルミニウム、ジユラルミン、砲金等の
如き金属或いはその合金から選ばれる。この外周
材はポリカーボネート樹脂の線膨脹係数に比して
1/3倍以下の膨脹係数をもち、またガラスの線膨
脹係数に比して1/2倍以上の膨脹係数を有するこ
とが好ましい。これらのうち特にガラス、鋼、ア
ルミニウムが好ましい。 The peripheral material 4 is made of a material with a coefficient of linear expansion equal to or close to that of glass, and is mainly made of inorganic materials such as glass itself, or metals such as steel, iron, aluminum, duralumin, gunmetal, etc. Selected from alloys. This outer material has a linear expansion coefficient that is higher than that of polycarbonate resin.
It is preferable to have an expansion coefficient of 1/3 or less and a linear expansion coefficient of 1/2 or more as compared to the linear expansion coefficient of glass. Among these, glass, steel, and aluminum are particularly preferred.
外周材４の形状は板を細かく切つた角棒状のも
のが好ましいが、第２図に示す形状をとることも
できる。その厚みはポリカーボネート樹脂板の厚
さと同じか、それに近いものが好ましく、その幅
は１mm以上、更には２〜30mm、特に３〜10mm程度
であるのが好ましく、更にその長さは複合ガラス
の長さと同じである。尚前記の厚み、幅、長さは
外周材が第２図に示す形状をとるときは、ポリカ
ーボネート樹脂層の外側にはめ込まれている部分
の厚み、幅、長さを意味する。 The shape of the outer circumferential member 4 is preferably a rectangular rod-like shape obtained by cutting a plate into small pieces, but it can also take the shape shown in FIG. 2. The thickness is preferably the same as or close to the thickness of the polycarbonate resin plate, the width is preferably 1 mm or more, more preferably 2 to 30 mm, especially about 3 to 10 mm, and the length is the same as the length of the composite glass. It's the same as that. When the outer peripheral material has the shape shown in FIG. 2, the thickness, width, and length mentioned above refer to the thickness, width, and length of the portion fitted on the outside of the polycarbonate resin layer.
外周材の幅は、複合ガラスの使用条件、接着剤
の種類、ポリカーボネート樹脂及びガラスの板厚
等を考慮して定めるのが望ましい。また、外周材
のはめ込み方法は特に限定されない。例えばとも
え型に外周材をはめ込む方法をとることができ
る。 The width of the outer peripheral material is preferably determined by taking into account the usage conditions of the composite glass, the type of adhesive, the thickness of the polycarbonate resin and the glass, etc. Further, the method of fitting the outer peripheral material is not particularly limited. For example, a method can be used in which the outer peripheral material is fitted into a tomoe mold.
複合ガラスの製造は、従来公知の方法を用いて
行なうことができる。その際、ポリカーボネート
樹脂板は低温の環境下ではガラス板より大きく収
縮をする故、外周材との間に空間が出来る傾向が
あるので、接着する時の温度を想定して使用時の
温度のうち低温に近い温度で行なうことが望まし
い。 Composite glass can be manufactured using conventionally known methods. At that time, polycarbonate resin plates shrink more than glass plates in low-temperature environments, so there is a tendency to create a space between them and the outer material, so the temperature at which they will be used should be It is desirable to carry out the process at a temperature close to low temperature.
第２図はガラス板の端部分を保護する目的もか
ねて山形の外周材をはめ込んだ状態を示す。また
ポリカーボネート樹脂板の端と外周材の間に接着
剤が介在しない態様は第１図に、また介在する態
様は第３図に示す。ポリカーボネート樹脂板の端
と外周材の間に接着剤が介在しない態様がより好
ましい。 Figure 2 shows a state in which a chevron-shaped outer circumferential member is fitted for the purpose of protecting the edge portion of the glass plate. Further, FIG. 1 shows an embodiment in which no adhesive is present between the edge of the polycarbonate resin plate and the outer peripheral material, and FIG. 3 shows an embodiment in which an adhesive is present. A more preferred embodiment is one in which no adhesive is present between the edge of the polycarbonate resin plate and the outer peripheral material.
本発明の複合ガラスは、ガラス板と外周材の間
では膨脹差がないか、あるいはわずかである故ハ
クリが生じない。そのため外周材とガラス板との
接着力で、今迄接着剤の剪断強さで抑えきれなか
つたポリカーボネート樹脂板の膨脹をくい止める
ことになり、ポリカーボネート樹脂板とガラス板
との間に接着剤外周部に起こるハクリ発生をとめ
ることができる。 In the composite glass of the present invention, there is no or only a slight expansion difference between the glass plate and the peripheral material, so peeling does not occur. Therefore, the adhesive force between the outer peripheral material and the glass plate will prevent the expansion of the polycarbonate resin plate, which until now could not be suppressed by the shear strength of the adhesive. It can stop the peeling that occurs.
以下実施例を挙げて本発明を更に説明する。 The present invention will be further explained below with reference to Examples.
実施例及び比較例
長さ１ｍ、幅１ｍ、厚さ３mmのガラス板２枚と
長さ0.99ｍ、幅0.99ｍ、厚さ３mmのポリカーボネ
ート樹脂板と、更に外周材として厚さ３mm、幅５
mm、長さ995mmのガラス角棒を、また接着剤とし
てアクリル系紫外線硬化型接着剤（ホトボンド
500：明星チヤーチル製）を用いて、ポリカーボ
ネート樹脂板を内層とし、その外周にガラス角棒
をともえ型に配置してなり、光重合用紫外線ラン
プ120W2灯（平面に対して）を照射距離10cm、照
射時間10minの条件下で積層接着して複合ガラス
を得た。Examples and Comparative Examples Two glass plates with a length of 1 m, a width of 1 m, and a thickness of 3 mm, a polycarbonate resin plate with a length of 0.99 m, a width of 0.99 m, and a thickness of 3 mm, and an outer peripheral material with a thickness of 3 mm and a width of 5 mm.
A square glass rod with a length of 995 mm and an acrylic ultraviolet curing adhesive (Photobond) was used as the adhesive.
500 (manufactured by Myojo Churchill), a polycarbonate resin plate is used as the inner layer, and glass square rods are arranged around the outer circumference in a lamp shape. A composite glass was obtained by laminating and bonding under the condition of irradiation time of 10 min.
この複合ガラスについて冷熱サイクルテスト
（JASO M312）及び高湿度下の冷熱サイクルテ
スト（湿度95％RH；JASO M312）を下記条件下
で行つたが、周辺部にハクリが生じることもな
く、全く異常が認められなかつた。 This composite glass was subjected to a thermal cycle test (JASO M312) and a high humidity thermal cycle test (humidity 95% RH; JASO M312) under the following conditions, and no peeling occurred on the periphery and no abnormalities were observed. It wasn't recognized.
() 冷熱サイクルテスト： (1) １サイクルのテスト条牛； （湿度50％RH） 20℃下0.5時間 ↓ 80℃下15.5時間 ↓ 20℃下0.5時間 ↓ −30℃下7.5時間 ↓ (2) サイクルテスト回数； 上記条件下のテストを20回繰り返す。() Cooling cycle test: (1) One cycle of test row cattle; (Humidity 50%RH) 0.5 hours at 20℃ ↓ 15.5 hours at 80℃ ↓ 0.5 hours at 20℃ ↓ -30℃ for 7.5 hours ↓ (2) Number of cycle tests; Repeat the test under the above conditions 20 times.
() 高湿度下冷熱サイクルテスト： (1) １サイクルのテスト条件； （湿度95％RH） 20℃ ↓←90分 55℃下50分 ↓←40分 20℃ ↓ (2) サイクルテスト回数； 上記条件下のテストを72回繰り返す。() Cooling and heating cycle test under high humidity: (1) Test conditions for one cycle; (Humidity 95%RH) 20℃ ↓←90 minutes 50 minutes at 55℃ ↓←40 minutes 20℃ ↓ (2) Number of cycle tests; Repeat the test under the above conditions 72 times.
尚複合ガラスの剪断強度はガラス／ガラス：60
Kg／cm2、ガラス／ポリカーボネート樹脂：45Kg／
cm2であつた。 The shear strength of composite glass is glass/glass: 60
Kg/ cm2 , glass/polycarbonate resin: 45Kg/
It was warm in cm2 .
また、比較として、ガラス角棒の外周材を用い
ず、更にポリカーボネート樹脂板として長さ１
ｍ、幅１ｍ、厚さ３mmのものを用いる以外は上記
と同様にして得られた従来からの複合ガラス、に
ついて上記の冷却サイクルテスト及び高湿度下冷
熱サイクルテストを行なつたところ外周より気泡
状ハクリを生じた。 In addition, for comparison, we did not use the outer circumferential material of the glass square rod, but instead used a polycarbonate resin plate with a length of 1
When the above-mentioned cooling cycle test and high-humidity cooling/heating cycle test were performed on a conventional composite glass obtained in the same manner as above except that glass with a width of 1 m and a thickness of 3 mm was used, bubbles appeared from the outer periphery. Peeling occurred.
以上より外周材をポリカーボネート樹脂層の外
側にはめ込むことにより外周ハクリが改良される
ことがわかる。 From the above, it can be seen that peeling off the outer periphery is improved by fitting the outer periphery material to the outside of the polycarbonate resin layer.
第１図、第２図及び第３図は、夫々本発明の複
合ガラスの外周部断面を示す図である。
１：ガラス板（層）、２：ポリカーボネート樹
脂板（層）、３：接着剤（層）、４：外周材。
FIG. 1, FIG. 2, and FIG. 3 are diagrams each showing a cross section of the outer peripheral portion of the composite glass of the present invention. 1: Glass plate (layer), 2: Polycarbonate resin plate (layer), 3: Adhesive (layer), 4: Peripheral material.
Claims (1)
ス板を接着剤を用いて積層してなる複合ガラスに
おいて、前記ポリカーボネート樹脂板層の外周に
ポリカーボネート樹脂の線膨脹係数に比して1/3
倍以下の膨脹係数をもち、またガラスの線膨脹係
数に比して1/2倍以上の膨脹係数を有する外周材
をはめ込んだことを特徴とする外周剥離の改良さ
れた複合ガラス。1 In a composite glass formed by laminating two glass plates on both sides of a polycarbonate resin plate using an adhesive, a layer having a coefficient of linear expansion of 1/3 of the linear expansion coefficient of the polycarbonate resin is placed on the outer periphery of the polycarbonate resin plate layer.
Composite glass with improved peripheral peeling, characterized in that it has a peripheral material fitted with a peripheral material having an expansion coefficient less than double the linear expansion coefficient of glass and one-half or more times the linear expansion coefficient of glass.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP14199079A JPS5669247A (en) | 1979-11-05 | 1979-11-05 | Composite glass |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP14199079A JPS5669247A (en) | 1979-11-05 | 1979-11-05 | Composite glass |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS5669247A JPS5669247A (en) | 1981-06-10 |
| JPS623790B2 true JPS623790B2 (en) | 1987-01-27 |
Family
ID=15304823
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP14199079A Granted JPS5669247A (en) | 1979-11-05 | 1979-11-05 | Composite glass |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS5669247A (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US9383173B2 (en) * | 2013-07-22 | 2016-07-05 | The United States Of America As Represented By The Secretary Of The Army | Transparent armor construction |
-
1979
- 1979-11-05 JP JP14199079A patent/JPS5669247A/en active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| JPS5669247A (en) | 1981-06-10 |
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