JP2003276108A - Luminous sheet - Google Patents
Luminous sheetInfo
- Publication number
- JP2003276108A JP2003276108A JP2002081578A JP2002081578A JP2003276108A JP 2003276108 A JP2003276108 A JP 2003276108A JP 2002081578 A JP2002081578 A JP 2002081578A JP 2002081578 A JP2002081578 A JP 2002081578A JP 2003276108 A JP2003276108 A JP 2003276108A
- Authority
- JP
- Japan
- Prior art keywords
- phosphorescent
- luminous
- sheet
- powder
- coating material
- 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
Landscapes
- Laminated Bodies (AREA)
Abstract
Description
【０００１】[0001]
【発明の属する技術分野】本発明は、蓄光持続性に優れ
た蓄光シートに関するものである。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a luminous sheet having excellent luminous sustainability.
【０００２】[0002]
【従来の技術】プラスチックフィルムに蓄光粉末を塗布
して蓄光シートを製造することは、広く実施されている
ものであり、例えば特開平１１−２４１０５２号公報や
特開２００１−２４９６１５号公報等の特許出願も存在
する。2. Description of the Related Art It has been widely practiced to apply a phosphorescent powder to a plastic film to manufacture a phosphorescent sheet. For example, Japanese Patent Laid-Open Nos. 11-241052 and 2001-249615 can be used. Applications also exist.
【０００３】しかし、蓄光持続性がよいとする特開２０
０１−２４９６１５号公報の実施例で得られる効果は、
蛍光灯照射後１時間経過した後の輝度が１５〜１７ｍｃ
ｄ／ｍ 2 とされるものである。周囲の物をはっきり確認
するためには５ｍｃｄ／ｍ2 以上の輝度を必要とするの
で、この例では、１〜２時間程度の蓄光性しか得られな
いものと思われる。However, Japanese Patent Application Laid-Open No. 20-208 said that the luminous sustainability is good.
The effect obtained in the example of JP-A No. 01-249615 is
Brightness of 15 to 17 mc after 1 hour has passed after fluorescent lamp irradiation
d / m 2 It is said that. Clearly check surrounding objects
5 mcd / m to do2 Need more brightness
So, in this example, only the luminous property of about 1 to 2 hours can be obtained.
It seems to be good.
【０００４】[0004]
【発明が解決しようとする課題】本発明は、このような
従来の蓄光シートに比して、数倍以上の蓄光性を有する
実用性ある蓄光シートを提供することを課題とする。SUMMARY OF THE INVENTION It is an object of the present invention to provide a practical luminous sheet having a luminous efficiency several times or more that of the conventional luminous sheet.
【０００５】[0005]
【課題を解決するための手段】本発明では、ポリエチレ
ン、ポリプロピレン、ポリエステル及びポリアミドから
なる群から選ばれるプラスチックフィルムの片面に蓄光
粉末を含む塗料を塗布した蓄光シートにおいて、蓄光粉
末として、Ｅｕを主賦活剤とするアルカリ土類金属のア
ルミン酸塩よりなる蓄光性蛍光体で、粒子径が２０〜１
００μｍであるものを使用することにより、上記課題を
解決した。In the present invention, in a phosphorescent sheet in which a paint containing a phosphorescent powder is applied to one surface of a plastic film selected from the group consisting of polyethylene, polypropylene, polyester and polyamide, Eu is mainly used as the phosphorescent powder. A phosphorescent phosphor comprising an alkaline earth metal aluminate as an activator, having a particle size of 20 to 1
The above problem was solved by using a film having a thickness of 00 μm.
【０００６】Ｅｕを主賦活剤とするアルカリ土類金属の
アルミン酸塩よりなる蓄光性蛍光体を蓄光粉末とするこ
とによって、持続性ある蓄光効果を得ることができる
が、本発明では、その粒子径を特定することにより、驚
異的に持続性ある蓄光効果を得ることを可能としたので
ある。粒子径が２０μｍ未満や１００μｍを越えると、
所望の効果を得難くなる。なお、蓄光粉末の粒子径は、
４０〜８０μｍであるのが特に好ましい。A long-lasting light-storing effect can be obtained by using a light-storing phosphor made of an alkaline earth metal aluminate whose main activator is Eu as a light-storing powder. By specifying the diameter, it was possible to obtain a surprisingly long-lasting luminous effect. If the particle size is less than 20 μm or more than 100 μm,
It becomes difficult to obtain the desired effect. The particle size of the phosphorescent powder is
It is particularly preferably 40 to 80 μm.
【０００７】蓄光粉末を含む塗料の樹脂分としては、ポ
リウレタン樹脂、アクリル樹脂及びポリエステル樹脂か
らなる群から選ばれるものを使用するのが好ましい。As the resin component of the coating material containing the phosphorescent powder, it is preferable to use one selected from the group consisting of polyurethane resin, acrylic resin and polyester resin.
【０００８】なお、塗料における蓄光粉末と樹脂分の割
合は、固形分重量比率で１０〜８０：１００、特に２０
〜６０：１００程度であるのが好ましい。また、フィル
ム上への塗料の塗布量は、１００〜３００ｇ／ｍ2 、特
に１５０〜２５０ｇ／ｍ2 程度であるのが好ましい。The ratio of the phosphorescent powder to the resin in the paint is 10 to 80: 100, especially 20 in terms of solid content weight ratio.
It is preferably about 60: 100. The coating amount of the coating material on the film is preferably 100 to 300 g / m 2 , and more preferably 150 to 250 g / m 2 .
【０００９】蓄光粉末を含む塗料を塗布する基材となる
プラスチックフィルムの厚さは特に限定されないが、５
０〜２５０μｍ、特に７５〜１５０μｍ程度であるのが
好ましい。また、塗料の接着性を高めるため、フィルム
表面に、コロナ処理やアンダーコーティング処理を施し
てもよい。The thickness of the plastic film as a base material for applying the coating material containing the phosphorescent powder is not particularly limited, but 5
It is preferably from 0 to 250 μm, and particularly preferably from 75 to 150 μm. Further, in order to improve the adhesiveness of the paint, the film surface may be subjected to corona treatment or undercoating treatment.
【００１０】更に、蓄光シートとしては、プラスチック
フィルムの片面に設けた蓄光粉末を含む塗料の塗布層表
面に隠蔽層を設けるのが好ましい。この場合、隠蔽層
は、ポリウレタン樹脂、ポリエステル樹脂又はアクリル
樹脂等に酸化チタンを混合した塗料を塗布して形成する
のがよい。Further, as the luminous sheet, it is preferable to provide a hiding layer on the surface of the coating layer of the coating material containing the luminous powder provided on one surface of the plastic film. In this case, the concealing layer is preferably formed by applying a paint in which titanium oxide is mixed with polyurethane resin, polyester resin, acrylic resin or the like.
【００１１】なお、該隠蔽層表面に粘着剤層を介して剥
離シートを貼着することにより、蓄光性ある粘着シート
として提供可能となる。By sticking a release sheet on the surface of the concealing layer via a pressure-sensitive adhesive layer, it is possible to provide a light-accumulating pressure-sensitive adhesive sheet.
【００１２】この粘着剤層は、アクリル系粘着剤を２０
〜１００μｍ、好ましくは４０〜６０μｍ程度の厚さに
塗布して形成すればよい。This pressure-sensitive adhesive layer contains an acrylic pressure-sensitive adhesive 20
˜100 μm, preferably 40 to 60 μm.
【００１３】かかる本発明では、実施例に示されるよう
に、蛍光灯照射後６０分経過した後の輝度が１００ｍｃ
ｄ／ｍ2 以上であるような、非常に持続性に優れた蓄光
性を有する製品を得ることができる。According to the present invention, as shown in the embodiment, the brightness after irradiation of the fluorescent lamp for 60 minutes is 100 mc.
It is possible to obtain a product having a very long-lasting light-storing property such as d / m 2 or more.
【００１４】[0014]
【発明の実施の形態】次に本発明の実施例を示すが、こ
れにより本発明の技術的範囲が限定されるものではな
い。
実施例
厚さ１００μｍのポリエチレンテレフタレートフィルム
を基材とし、粒径６０μｍの蓄光粉末（Ｅｕを主賦活剤
とするアルカリ土類金属のアルミン酸塩）を使用し、下
記の組成からなる塗料を付着量２００ｇ／ｍ2 になるよ
うに塗布し、乾燥した。
ポリウレタン樹脂 １００部
蓄光粉末（粒径６０μｍ） ４０部
架橋剤 ３部
メチルエチルケトン ３０部BEST MODE FOR CARRYING OUT THE INVENTION Next, examples of the present invention will be shown, but the technical scope of the present invention is not limited thereby. Example Using a polyethylene terephthalate film having a thickness of 100 μm as a base material, a phosphorescent powder having a particle size of 60 μm (aluminate of alkaline earth metal with Eu as a main activator) is used, and a coating material having the following composition is applied: It was applied so as to have a concentration of 200 g / m 2 and dried. Polyurethane resin 100 parts Luminescent powder (particle size 60 μm) 40 parts Crosslinking agent 3 parts Methyl ethyl ketone 30 parts
【００１５】次に、このようにして得た蓄光粉末含有塗
料の塗布層上に、隠蔽性を高めるため、下記配合物で付
着量１００ｇ／ｍ2 （ｗｅｔ）になるように塗布し、乾
燥して、蓄光シートとした。
ポリウレタン樹脂 １００部
酸化チタン ３０部
架橋剤 ３部
メチルエチルケトン ３０部
このようにして得た蓄光シートを、暗室で２４時間、光
を遮断して、１５ｗの卓上蛍光灯にて、光線より４０ｃ
ｍの位置で９０分間垂直照射（約１０００Ｌｘ）した
後、再び光を遮断して、経時残光輝度を測定した。Next, on the coating layer of the coating material containing the phosphorescent powder thus obtained, in order to enhance the hiding property, the following formulation was applied so that the adhesion amount would be 100 g / m 2 (wet) and dried. As a phosphorescent sheet. Polyurethane resin 100 parts Titanium oxide 30 parts Cross-linking agent 3 parts Methyl ethyl ketone 30 parts The phosphorescent sheet thus obtained is shielded from light in a dark room for 24 hours with a 15w tabletop fluorescent lamp and 40c from light rays.
After vertical irradiation (about 1000 Lx) for 90 minutes at the position m, the light was blocked again and the afterglow luminance with time was measured.
【００１６】比較例
厚さ７５μｍのポリエチレンテレフタレートフィルムポ
リエステルフィルムを基材とし、蓄光粉末（粒径７μ
ｍ）を使用した以外は、実施例と同様の方法で蓄光シー
トを得た。これについても、実施例と同様の方法で経時
残光輝度を測定した。実施例及び比較例で測定した経時
残光輝度を次表に示す。Comparative Example Polyethylene terephthalate film having a thickness of 75 μm A polyester film was used as a base material, and a phosphorescent powder (particle size 7 μm) was used.
A phosphorescent sheet was obtained in the same manner as in the example except that m) was used. Also for this, the afterglow luminance with time was measured by the same method as in the example. The following table shows the afterglow luminance over time measured in Examples and Comparative Examples.
【００１７】[0017]
【表１】 [Table 1]
【００１８】輝度と明るさの程度は次の通りであり、７
ｍｃｄ／ｍ2 以上が好ましい。
．輝度（ｍｃｄ／ｍ2 ） 暗闇での明るさの感覚
． ５以上 非常に明るく、周囲の物がはっきりと確認できる。
． ３ 物の輪郭がで確認できる程度である。
． ２ 薄くぼやけて、何となく物の存在が確認できる。
． １以下 ほとんど何も確認できない。The degrees of brightness and brightness are as follows:
It is preferably mcd / m 2 or more. ． Luminance (mcd / m 2 ) A sense of brightness in the dark . 5 or more Very bright and you can clearly see the surrounding objects. ． 3 The outline of the object can be confirmed with. ． 2 It is faint and blurry, and the existence of something can be confirmed. ． Below 1 Almost nothing can be confirmed.
【００１９】[0019]
【発明の効果】本発明の蓄光シートは、実施例に示され
る如く、５時間〜１０時間というような驚異的な持続性
ある蓄光性を示すため、従来の製品では、予想されなか
ったような広範な用途に蓄光シートの使用を可能とす
る。The phosphorescent sheet of the present invention, as shown in the examples, exhibits a remarkable and long-lasting phosphorescent property of 5 to 10 hours, which is unexpected in conventional products. Allows the use of phosphorescent sheets for a wide range of applications.
───────────────────────────────────────────────────── フロントページの続き (72)発明者 坂部 昌一 京都府京都市西京区川島梅園町80 (72)発明者 福原 博資 滋賀県彦根市芹川町1448−３ (72)発明者 伊藤 由香里 滋賀県彦根市平田町124−８ Ｆターム(参考） 4F100 AA18B AK04A AK07A AK25B AK41A AK41B AK42 AK46A AK51B AR00C BA02 BA07 BA10A BA10C CC00B DE01B EH46B JN02C JN13 JN13B YY00B ─────────────────────────────────────────────────── ─── Continued front page (72) Inventor Shoichi Sakabe 80 Kawashima Umezono-cho, Nishikyo-ku, Kyoto-shi, Kyoto Prefecture (72) Inventor Hiroshi Fukuhara 1448-3 Serikawa Town, Hikone City, Shiga Prefecture (72) Inventor Yukari Ito 124-8 Hirata-cho, Hikone-shi, Shiga F term (reference) 4F100 AA18B AK04A AK07A AK25B AK41A AK41B AK42 AK46A AK51B AR00C BA02 BA07 BA10A BA10C CC00B DE01B EH46B JN02C JN13 JN13B YY00B
Claims (4)
ステル及びポリアミドからなる群から選ばれるプラスチ
ックフィルムの片面に蓄光粉末を含む塗料が塗布された
ものであって、前記蓄光粉末がＥｕを主賦活剤とするア
ルカリ土類金属のアルミン酸塩よりなる蓄光性蛍光体
で、粒子径が２０〜１００μｍであることを特徴とする
請求項１の蓄光シート。1. A plastic film selected from the group consisting of polyethylene, polypropylene, polyester and polyamide coated with a coating material containing phosphorescent powder on one side, wherein the phosphorescent powder is an alkaline earth containing Eu as a main activator. 2. The phosphorescent sheet according to claim 1, which is a phosphorescent phosphor made of an aluminate of a group metal and has a particle diameter of 20 to 100 [mu] m.
レタン樹脂、アクリル樹脂及びポリエステル樹脂からな
る群から選ばれるものであることを特徴とする請求項１
の蓄光シート。2. The resin component of the coating material containing the phosphorescent powder is selected from the group consisting of polyurethane resin, acrylic resin and polyester resin.
Phosphorescent sheet.
蔽層が設けられていることを特徴とする請求項１又は２
の蓄光シート。3. A concealing layer is provided on the coating layer of the coating material containing the phosphorescent powder.
Phosphorescent sheet.
１００ｍｃｄ／ｍ2 以上であることを特徴とする請求項
１〜３いずれか１項の蓄光シート。4. The luminous sheet according to any one of claims 1 to 3, which has a luminance of 100 mcd / m 2 or more after 60 minutes have passed after irradiation with a fluorescent lamp.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2002081578A JP4130939B2 (en) | 2002-03-22 | 2002-03-22 | Phosphorescent sheet |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2002081578A JP4130939B2 (en) | 2002-03-22 | 2002-03-22 | Phosphorescent sheet |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JP2003276108A true JP2003276108A (en) | 2003-09-30 |
| JP4130939B2 JP4130939B2 (en) | 2008-08-13 |
Family
ID=29206595
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2002081578A Expired - Lifetime JP4130939B2 (en) | 2002-03-22 | 2002-03-22 | Phosphorescent sheet |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP4130939B2 (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2009163022A (en) * | 2008-01-08 | 2009-07-23 | Unimatec Co Ltd | Phosphorescent signboard and its manufacturing method |
| CN106905871A (en) * | 2017-03-08 | 2017-06-30 | 常州华日升反光材料有限公司 | From light-accumulated luminous Microprism reflective membrane |
| CN107640831A (en) * | 2017-11-02 | 2018-01-30 | 北京星河园林景观工程有限公司 | A kind of water purifying device for carrying indigenous microorganism |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP5749097B2 (en) * | 2011-06-29 | 2015-07-15 | 日本ダム株式会社 | Phosphorescent signs and their manufacturing methods |
-
2002
- 2002-03-22 JP JP2002081578A patent/JP4130939B2/en not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2009163022A (en) * | 2008-01-08 | 2009-07-23 | Unimatec Co Ltd | Phosphorescent signboard and its manufacturing method |
| CN106905871A (en) * | 2017-03-08 | 2017-06-30 | 常州华日升反光材料有限公司 | From light-accumulated luminous Microprism reflective membrane |
| CN107640831A (en) * | 2017-11-02 | 2018-01-30 | 北京星河园林景观工程有限公司 | A kind of water purifying device for carrying indigenous microorganism |
Also Published As
| Publication number | Publication date |
|---|---|
| JP4130939B2 (en) | 2008-08-13 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US2333641A (en) | Luminous adhesive sheet | |
| TW200821369A (en) | Surface protecting film and optical film with surface protecting film | |
| US20030054164A1 (en) | Use of detersive substances selected from the group of N-Acylamino acids and the salts of N-Acylamino acids for enhancing the compatibility of cosmetic or dermatological cleansing preparations | |
| JP2003276108A (en) | Luminous sheet | |
| EP2774965A1 (en) | A method of applying a photoluminescent coating and a photoluminescent material made by means of this method | |
| JPH11106685A (en) | Luminous coating material and display by using the same | |
| JPH0920887A (en) | Formation of fluorescent article and phosphorescent fluorescent material layer | |
| JPWO2003082564A1 (en) | Phosphorescent sheet | |
| CN104403552B (en) | Outdoor use high-performance optical storage-spontaneous luminous membrane preparation method | |
| JP2010137470A (en) | Luminous laminate | |
| JPH1143651A (en) | Luminous adhesive film | |
| JP2003136624A (en) | Luminescent metallic coating film | |
| JP3061600U (en) | Luminous film | |
| TW201534688A (en) | Phosphorescent paint | |
| JP2009280745A (en) | (meth)acrylic independent adhesive film | |
| JP2003138235A (en) | Pressure-sensitive adhesive composition having opacifying capability and pressure-sensitive adhesive sheet using the same | |
| JP2006016515A (en) | Light-diffusing adhesive sheet | |
| JP2004315775A (en) | Re-peelable adhesive film | |
| JP2934522B2 (en) | Pressure-sensitive adhesive sheets for transfer | |
| JPH09291250A (en) | Anti-blocking coating agent and flexible magnet sheet having anti-blocking property | |
| JPH05239228A (en) | Silicone rubber part with adhesive layer | |
| KR20070115461A (en) | Luminescent pigment composition for human skin having high luminescence, long afterglow time, high water-resistance and high shape stability | |
| JP2002285111A (en) | Production method for fluorescent adhesive sheet | |
| JPH0848959A (en) | Colored self-adhesive composition, marking sheet using the same, and its production | |
| JPS6284169A (en) | Paint having fluorescent and phosphorescent property |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| A621 | Written request for application examination |
Free format text: JAPANESE INTERMEDIATE CODE: A621 Effective date: 20050224 |
|
| A977 | Report on retrieval |
Free format text: JAPANESE INTERMEDIATE CODE: A971007 Effective date: 20070112 |
|
| A131 | Notification of reasons for refusal |
Free format text: JAPANESE INTERMEDIATE CODE: A131 Effective date: 20070117 |
|
| A521 | Request for written amendment filed |
Free format text: JAPANESE INTERMEDIATE CODE: A523 Effective date: 20070316 |
|
| RD02 | Notification of acceptance of power of attorney |
Free format text: JAPANESE INTERMEDIATE CODE: A7422 Effective date: 20070316 |
|
| A521 | Request for written amendment filed |
Free format text: JAPANESE INTERMEDIATE CODE: A523 Effective date: 20070420 |
|
| TRDD | Decision of grant or rejection written | ||
| A01 | Written decision to grant a patent or to grant a registration (utility model) |
Free format text: JAPANESE INTERMEDIATE CODE: A01 Effective date: 20080312 |
|
| A01 | Written decision to grant a patent or to grant a registration (utility model) |
Free format text: JAPANESE INTERMEDIATE CODE: A01 |
|
| A711 | Notification of change in applicant |
Free format text: JAPANESE INTERMEDIATE CODE: A711 Effective date: 20080411 |
|
| A61 | First payment of annual fees (during grant procedure) |
Free format text: JAPANESE INTERMEDIATE CODE: A61 Effective date: 20080411 |
|
| A521 | Request for written amendment filed |
Free format text: JAPANESE INTERMEDIATE CODE: A821 Effective date: 20080411 |
|
| FPAY | Renewal fee payment (event date is renewal date of database) |
Free format text: PAYMENT UNTIL: 20110606 Year of fee payment: 3 |
|
| R150 | Certificate of patent or registration of utility model |
Ref document number: 4130939 Country of ref document: JP Free format text: JAPANESE INTERMEDIATE CODE: R150 Free format text: JAPANESE INTERMEDIATE CODE: R150 |
|
| FPAY | Renewal fee payment (event date is renewal date of database) |
Free format text: PAYMENT UNTIL: 20120606 Year of fee payment: 4 |
|
| R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |
|
| FPAY | Renewal fee payment (event date is renewal date of database) |
Free format text: PAYMENT UNTIL: 20130606 Year of fee payment: 5 |
|
| R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |
|
| R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |
|
| R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |
|
| R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |
|
| R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |
|
| R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |
|
| R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |
|
| R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |
|
| R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |
|
| R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |
|
| EXPY | Cancellation because of completion of term |