JP2682064B2 - Temperature sensitive glass material - Google Patents
Temperature sensitive glass materialInfo
- Publication number
- JP2682064B2 JP2682064B2 JP63256774A JP25677488A JP2682064B2 JP 2682064 B2 JP2682064 B2 JP 2682064B2 JP 63256774 A JP63256774 A JP 63256774A JP 25677488 A JP25677488 A JP 25677488A JP 2682064 B2 JP2682064 B2 JP 2682064B2
- Authority
- JP
- Japan
- Prior art keywords
- glass
- resin
- temperature
- glass material
- sensitive glass
- 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 - Lifetime
Links
- 239000011521 glass Substances 0.000 title claims description 32
- 239000000463 material Substances 0.000 title claims description 14
- 239000011347 resin Substances 0.000 claims description 24
- 229920005989 resin Polymers 0.000 claims description 24
- 229920001610 polycaprolactone Polymers 0.000 claims description 9
- 239000004632 polycaprolactone Substances 0.000 claims description 9
- 229920001195 polyisoprene Polymers 0.000 claims description 8
- 239000010410 layer Substances 0.000 description 19
- 238000000034 method Methods 0.000 description 12
- 239000010408 film Substances 0.000 description 5
- 238000010030 laminating Methods 0.000 description 4
- 238000000465 moulding Methods 0.000 description 4
- 239000002904 solvent Substances 0.000 description 4
- 239000005357 flat glass Substances 0.000 description 3
- 238000002834 transmittance Methods 0.000 description 3
- 239000005338 frosted glass Substances 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 229920002401 polyacrylamide Polymers 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- VZGDMQKNWNREIO-UHFFFAOYSA-N tetrachloromethane Chemical compound ClC(Cl)(Cl)Cl VZGDMQKNWNREIO-UHFFFAOYSA-N 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 239000002313 adhesive film Substances 0.000 description 1
- 239000012790 adhesive layer Substances 0.000 description 1
- 238000000071 blow moulding Methods 0.000 description 1
- 238000005266 casting Methods 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 239000010419 fine particle Substances 0.000 description 1
- 238000001746 injection moulding Methods 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- QNILTEGFHQSKFF-UHFFFAOYSA-N n-propan-2-ylprop-2-enamide Chemical group CC(C)NC(=O)C=C QNILTEGFHQSKFF-UHFFFAOYSA-N 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 239000011342 resin composition Substances 0.000 description 1
- 239000010409 thin film Substances 0.000 description 1
Landscapes
- Laminated Bodies (AREA)
- Surface Treatment Of Glass (AREA)
Description
【発明の詳細な説明】 〔産業上の利用分野〕 近年、環境温度によって透明性が変化する材料の出現
が待たれている。例えば白熱灯・蛍光灯等の照明器具の
カバー類において、消灯時は内部の電球あるいはフィラ
メント類が見えず、点灯時には透過光量が増す性質を有
する部材、あるいは商品展示において、商品を魅力的に
飾るために一部を透明化したディスプレイ部材において
温度変化でもって透明性が変化する性質を有する部材、
等である。DETAILED DESCRIPTION OF THE INVENTION [Industrial field of application] In recent years, the emergence of materials whose transparency changes with ambient temperature has been awaited. For example, in the covers of lighting equipment such as incandescent lamps and fluorescent lamps, when the lights are off, the internal light bulbs or filaments are not visible, and when the lights are on, the amount of transmitted light increases. A member having a property that its transparency is changed by a temperature change in a partially transparent display member,
And so on.
本発明は、環境温度によって透明・不透明の変化をす
る感温性ガラス材料に関するものである。TECHNICAL FIELD The present invention relates to a temperature-sensitive glass material that changes in transparency or opacity depending on ambient temperature.
従来、温度によって透明性が可逆的に変化する樹脂組
成物としては、ポリアクリルアミド誘導体(特公昭62-5
3538号公報)・N−イソプロピル−アクリルアミド重合
体と水との組成物(特開昭58-78758号公報)などの組成
物が提案されている。Conventionally, polyacrylamide derivatives (Japanese Patent Publication No. 62-5
A composition such as a composition of N-isopropyl-acrylamide polymer and water (Japanese Patent Laid-Open No. 58-78758) has been proposed.
また、ガラスにおいて光を散乱させる方法、特に平行
光線透過率を低下させ散乱光線透過率を上げる方法、即
ちヘイズ率を上げる方法として数多くの提案がなされて
きた。例えば摺ガラスは表面に微細な凹凸をつけて透過
光を散乱させるものである。また、粒径が数ミクロンの
微粒子を均一に分散させたガラスも、透過光を散乱する
ため高いヘイズ率が得られる。In addition, many proposals have been made as a method of scattering light in glass, particularly a method of lowering parallel light transmittance and increasing scattered light transmittance, that is, a method of increasing haze ratio. For example, frosted glass has fine irregularities on its surface to scatter transmitted light. In addition, glass in which fine particles having a particle size of several microns are uniformly dispersed also scatters transmitted light, so that a high haze ratio can be obtained.
しかし、前記の樹脂組成物は機械的強度が弱く強度部
材としては使用に耐えられないものであった。また、こ
の材料は透明から不透明に変化するものであり、本発明
のように不透明から透明への変化ができない材料であっ
た。However, the above-mentioned resin composition has low mechanical strength and cannot be used as a strength member. Further, this material changes from transparent to opaque, and is a material that cannot change from opaque to transparent as in the present invention.
また、摺ガラスの様に表面に凹凸のあるものは、汚れ
が付きやすいとの欠点と共に、表面に水、油等の液体が
付着すると平行光線透過率が上昇しヘイズ率が低下する
欠点を有している。Further, a glass having a surface with irregularities, such as a frosted glass, has a defect that stains are easily attached, and when liquid such as water or oil adheres to the surface, the parallel light transmittance increases and the haze ratio decreases. doing.
さらに、この様なガラスには一度決定したヘイズの状
態を環境温度によって変更する手立ては無かった。Further, such a glass has no means for changing the once determined haze state depending on the ambient temperature.
本発明は、従来の前記課題を解決し、単独で構造体を
形成できかつ環境温度によって透明・不透明の変化する
安価な感温性ガラス材料に関するものである。The present invention relates to an inexpensive temperature-sensitive glass material that solves the above-mentioned problems of the related art and can form a structure by itself, and changes its transparency / opacity depending on the ambient temperature.
本発明は、従来の前記問題点を解決するための手段と
して、多層構造体において、そのガラスと樹脂の組合せ
および樹脂の選択に工夫を行なったものである。As a means for solving the above-mentioned conventional problems, the present invention has devised a combination of glass and resin and selection of resin in a multilayer structure.
本発明は、多層構造体であって、少なくとも1層はガ
ラスからなり、残りの層中に必ずポリカプロラクトン樹
脂あるいはトランス型ポリイソプレン樹脂よりなる層を
有していることを特徴とする感温性多層樹脂材料であ
る。The present invention is a multi-layer structure, wherein at least one layer is made of glass, and the remaining layer always has a layer made of polycaprolactone resin or trans-type polyisoprene resin. It is a multilayer resin material.
また好ましくは、前記多層構造体において、ポリカプ
ロラクトン樹脂あるいはトランス型ポリイソプレン樹脂
が中間層を、ガラスが両最外層を形成している感温性ガ
ラス材料である。Further, preferably, in the above-mentioned multilayer structure, a temperature-sensitive glass material in which a polycaprolactone resin or a trans-type polyisoprene resin forms an intermediate layer and a glass forms both outermost layers.
具体的には、多層構造の感温性ガラス材料において、
両最外層がガラス上であり、中間層の少なくとも1層に
ポリカプロラクトン樹脂あるいはトランス型ポリイソプ
レン樹脂を用いたことを特徴とする、環境温度によって
透明・不透明の変化をする感温性ガラス材料である。Specifically, in a temperature-sensitive glass material having a multilayer structure,
A temperature-sensitive glass material having transparent and opaque changes depending on ambient temperature, characterized in that both outermost layers are on glass, and at least one intermediate layer is made of polycaprolactone resin or trans-type polyisoprene resin. is there.
両最外層を構成するガラスは、通常ガラスと呼ばれる
透明ガラス以外に、透明性を阻害しない範囲で着色した
ガラスを含むものである。The glass constituting both outermost layers includes, in addition to transparent glass which is usually called glass, glass colored in a range that does not impair transparency.
また本発明の主たる特徴は、環境温度によって透明か
ら不透明に変化するポリカプロラクトン樹脂あるいはト
ランス型ポリイソプレン樹脂を、多層構造内の少なくと
も1層に用いたところである。このポリカプロラクトン
樹脂あるいはトランス型ポリイソプレン樹脂は、前述の
ガラスと強固に接着する必要のある場合、接着力の足ら
ない程度に合わせて粘着・接着層を挟み3種5層以上の
組合せとすることが可能である。The main feature of the present invention is that a polycaprolactone resin or a trans-type polyisoprene resin that changes from transparent to opaque depending on the ambient temperature is used for at least one layer in the multilayer structure. If this polycaprolactone resin or trans-type polyisoprene resin needs to be firmly adhered to the above-mentioned glass, the adhesive / adhesive layer should be sandwiched between the three types and five layers or more in accordance with the degree of insufficient adhesion. Is possible.
なお、本発明の構造体を成形する方法は、多層構造体
が成形品として得られる成形方法が利用可能である。As the method for molding the structure of the present invention, a molding method for obtaining a multilayer structure as a molded product can be used.
具体的には、プレスあるいはラミネート等でガラスに
予め成形しておいたシートあるいはフィルムを重ね合せ
る方法、あるいは多層シート押出成形法、多層ブロー成
形法、多層射出成形法等が用いられる。Specifically, a method of laminating sheets or films preformed on glass by pressing or laminating, a multilayer sheet extrusion molding method, a multilayer blow molding method, a multilayer injection molding method, etc. are used.
プレスあるいはラミネート等でガラスに樹脂製シート
あるいはフィルムを重ね合せる方法としては、まず先に
成形された何種類かのシートあるいはフィルムを熱プレ
ス成形機を使用してガラスに貼合し多層構造体を得る方
法。あるいは金型内に設置したガラス上に、溶融した樹
脂を供給してプレスし多層構造体を得る方法。あるいは
ガラス上に溶融した樹脂を供給してラミネートし多層構
造体を得る方法等がある。As a method for laminating a resin sheet or film on glass by pressing or laminating, first, several types of sheets or films formed previously are laminated on glass using a hot press molding machine to form a multilayer structure. How to get. Alternatively, a method in which a molten resin is supplied onto glass placed in a mold and pressed to obtain a multilayer structure. Alternatively, there is a method in which a molten resin is supplied onto glass and laminated to obtain a multilayer structure.
またガラス上に溶媒に溶かした該樹脂を供給し、溶媒
を飛ばしガラス上に薄い膜を得る、いわゆるキャスティ
ング方法をとることも可能である。It is also possible to adopt a so-called casting method in which the resin dissolved in a solvent is supplied onto glass and the solvent is blown to obtain a thin film on the glass.
本発明の多層構造体の用途としては、前述した様に環
境温度によって透明性が変化する性質を活用できる製品
であり、例えば白熱灯・蛍光灯等の照明器具のカバー類
において、消灯時は内部の電球あるいはフィラメント類
が見えず、点灯時には透過光量が増す性質を有する部
材、あるいは商品展示において、商品を魅力的に飾るた
めに一部を透明化したディスプレイ部材において温度変
化でもって透明性が変化する性質を有する部材、等であ
る。The application of the multilayer structure of the present invention is a product that can utilize the property that the transparency changes depending on the ambient temperature as described above.For example, in the case of lighting equipment covers such as incandescent lamps and fluorescent lamps, when the lights are turned off, The light bulbs or filaments of the above can not be seen and the amount of transmitted light increases when the lights are turned on, or in the product display, the transparency is changed by the temperature change in the part of the display member which is made transparent in order to display the product attractively. A member having the property of
以下、本発明を実施例によって説明するが、これらは
一例であってこれらによって本発明が限定されるもので
はない。Hereinafter, the present invention will be described by way of examples, but these are examples and the present invention is not limited thereto.
実施例中のヘイズ値は、東洋精機製作所(株)製Ligh
t Scattering Meterを使用して測定した。The haze value in the examples is Ligh manufactured by Toyo Seiki Seisakusho Ltd.
It was measured using a t Scattering Meter.
実施例1. 市販されている板ガラス(日本板ガラス(株)製2t)
を両外層として使用し、中間層としてポリカプロラクト
ン樹脂(ダイセル化学工業(株)製H-7)を使用したフ
ィルム(0.15t)を用いて、サンドイッチ構造の2種3
層多層構造体を真空プレス成形法により貼合し得た。Example 1. Commercially available plate glass (2t manufactured by Nippon Sheet Glass Co., Ltd.)
Using a film (0.15t) using polycaprolactone resin (H-7 manufactured by Daicel Chemical Industries, Ltd.) as an intermediate layer, using 2 as the outer layer, and a 2 type 3 sandwich structure.
Layers The multilayer structure could be laminated by vacuum press molding.
この構造体より30mm×30mm×3mm tのサンプル切出し
を行ない。このサンプルを用いて、常温(23℃)と高温
(55℃)のヘイズ値を測定し、結果を第1表に示した。A sample of 30 mm × 30 mm × 3 mm t is cut out from this structure. Using this sample, the haze values at normal temperature (23 ° C) and high temperature (55 ° C) were measured, and the results are shown in Table 1.
実施例2. 市販されている板ガラス(日本板ガラス(株)製2t)
を両外層として使用し、中間層としてトランス型ポリイ
ソプレン樹脂(クラレ(株)製TP301)を使用したフィ
ルム(0.15t)を用いて、その間に粘着性フィルム(武
田製薬(株)製ルミラン)を用いて、ロール貼合法にて
3種5層構造体を得た。Example 2. Commercially available plate glass (2t manufactured by Nippon Sheet Glass Co., Ltd.)
Is used as both outer layers and a film (0.15 t) using a trans-type polyisoprene resin (TP301 manufactured by Kuraray Co., Ltd.) as an intermediate layer is used, and an adhesive film (Lumilan manufactured by Takeda Pharmaceutical Co., Ltd.) is used between them. Using it, a 3 type 5 layer structure was obtained by the roll bonding method.
この構造体より30mm×30mm×3mm tのサンプル切出し
を行ない。このサンプルを用いて、常温(23℃)と高温
(55℃)のヘイズ値を測定し、結果を第1表に示した。A sample of 30 mm × 30 mm × 3 mm t is cut out from this structure. Using this sample, the haze values at normal temperature (23 ° C) and high temperature (55 ° C) were measured, and the results are shown in Table 1.
実施例3. 市販されている板ガラス(日本板ガラス(株)製2t)
を両外層として使用し、中間層としてポリカプロラクト
ン樹脂(ダイセル化学工業(株)製H-7)を溶媒として
四塩化炭素を使用し溶かせたキャスト方法にて両外層間
に封入し、徐放し溶媒を抜いた。Example 3. Commercially available plate glass (2t manufactured by Nippon Sheet Glass Co., Ltd.)
Is used as both outer layers, and polycaprolactone resin (H-7 manufactured by Daicel Chemical Industries, Ltd.) as an intermediate layer is used as a solvent and carbon tetrachloride is used as a solvent. Pulled out.
この構造体より30mm×30mm×3mm tのサンプル切出し
を行ない。このサンプルを用いて、常温(23℃)と高温
(55℃)のヘイズ値を測定し、結果を第1表に示した。A sample of 30 mm × 30 mm × 3 mm t is cut out from this structure. Using this sample, the haze values at normal temperature (23 ° C) and high temperature (55 ° C) were measured, and the results are shown in Table 1.
Claims (4)
樹脂あるいはトランス型ポリイソプレン樹脂よりなる層
を有し、かつガラスよりなる層を少なくとも一層有する
ことを特徴とする感温性ガラス材料。1. A temperature-sensitive glass material, which is a multi-layer structure having a layer made of a polycaprolactone resin or a trans-type polyisoprene resin, and at least one layer made of glass.
トン樹脂あるいはトランス型ポリイソプレン樹脂が中間
層を、ガラスが両最外層を形成している請求項1記載の
感温性ガラス材料。2. The temperature-sensitive glass material according to claim 1, wherein in the multi-layer structure, a polycaprolactone resin or a trans-type polyisoprene resin forms an intermediate layer and glass forms both outermost layers.
照明器具カバー。3. A lighting fixture cover using the temperature-sensitive glass material according to claim 1.
ディスプレイ部材。4. A display member using the temperature-sensitive glass material according to claim 1.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP63256774A JP2682064B2 (en) | 1988-10-11 | 1988-10-11 | Temperature sensitive glass material |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP63256774A JP2682064B2 (en) | 1988-10-11 | 1988-10-11 | Temperature sensitive glass material |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH02102043A JPH02102043A (en) | 1990-04-13 |
| JP2682064B2 true JP2682064B2 (en) | 1997-11-26 |
Family
ID=17297260
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP63256774A Expired - Lifetime JP2682064B2 (en) | 1988-10-11 | 1988-10-11 | Temperature sensitive glass material |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP2682064B2 (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP7626109B2 (en) * | 2022-07-07 | 2025-02-04 | 株式会社豊田中央研究所 | Thermochromic resin composite material and laminate using same |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP6253538B2 (en) | 2014-07-17 | 2017-12-27 | 株式会社クボタ | Work vehicle |
-
1988
- 1988-10-11 JP JP63256774A patent/JP2682064B2/en not_active Expired - Lifetime
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP6253538B2 (en) | 2014-07-17 | 2017-12-27 | 株式会社クボタ | Work vehicle |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH02102043A (en) | 1990-04-13 |
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