JP6481408B2 - 応力発光シート - Google Patents
応力発光シート Download PDFInfo
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- JP6481408B2 JP6481408B2 JP2015030490A JP2015030490A JP6481408B2 JP 6481408 B2 JP6481408 B2 JP 6481408B2 JP 2015030490 A JP2015030490 A JP 2015030490A JP 2015030490 A JP2015030490 A JP 2015030490A JP 6481408 B2 JP6481408 B2 JP 6481408B2
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- CIOAGBVUUVVLOB-UHFFFAOYSA-N strontium atom Chemical compound [Sr] CIOAGBVUUVVLOB-UHFFFAOYSA-N 0.000 description 1
- 229940013883 sucrose octaacetate Drugs 0.000 description 1
- SYDJVRWZOWPNNO-UHFFFAOYSA-N sucrose-benzoate Natural products OCC1OC(OC2(COC(=O)c3ccccc3)OC(CO)C(O)C2O)C(O)C(O)C1O SYDJVRWZOWPNNO-UHFFFAOYSA-N 0.000 description 1
- WGPCGCOKHWGKJJ-UHFFFAOYSA-N sulfanylidenezinc Chemical group [Zn]=S WGPCGCOKHWGKJJ-UHFFFAOYSA-N 0.000 description 1
- 150000003505 terpenes Chemical class 0.000 description 1
- 235000007586 terpenes Nutrition 0.000 description 1
- 229920006230 thermoplastic polyester resin Polymers 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
- CBKMOPGKNJBDFA-UHFFFAOYSA-N tricyclohexyl 2-hydroxypropane-1,2,3-tricarboxylate Chemical compound C1CCCCC1OC(=O)CC(C(=O)OC1CCCCC1)(O)CC(=O)OC1CCCCC1 CBKMOPGKNJBDFA-UHFFFAOYSA-N 0.000 description 1
- 229920006337 unsaturated polyester resin Polymers 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
- DRDVZXDWVBGGMH-UHFFFAOYSA-N zinc;sulfide Chemical compound [S-2].[Zn+2] DRDVZXDWVBGGMH-UHFFFAOYSA-N 0.000 description 1
- PAPBSGBWRJIAAV-UHFFFAOYSA-N ε-Caprolactone Chemical compound O=C1CCCCCO1 PAPBSGBWRJIAAV-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B27/00—Layered products comprising a layer of synthetic resin
- B32B27/18—Layered products comprising a layer of synthetic resin characterised by the use of special additives
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
- C09J201/00—Adhesives based on unspecified macromolecular compounds
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
- C09J7/00—Adhesives in the form of films or foils
- C09J7/20—Adhesives in the form of films or foils characterised by their carriers
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09K—MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FOR ELSEWHERE
- C09K11/00—Luminescent, e.g. electroluminescent, chemiluminescent materials
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01L—MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
- G01L1/00—Measuring force or stress, in general
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01L—MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
- G01L1/00—Measuring force or stress, in general
- G01L1/24—Measuring force or stress, in general by measuring variations of optical properties of material when it is stressed, e.g. by photoelastic stress analysis using infrared, visible light, ultraviolet
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01L—MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
- G01L5/00—Apparatus for, or methods of, measuring force, work, mechanical power, or torque, specially adapted for specific purposes
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Adhesive Tapes (AREA)
- Adhesives Or Adhesive Processes (AREA)
- Force Measurement Appropriate To Specific Purposes (AREA)
- Laminated Bodies (AREA)
- Luminescent Compositions (AREA)
Description
針葉樹晒クラフトパルプ40質量部、広葉樹晒クラフトパルプ60質量部を380mlC.S.F.に叩解し、これに紙力増強剤(商品名「ポリストロン117」、荒川化学工業(株)製)0.4質量部、サイズ剤(商品名「サイズパインG−F」、荒川化学工業(株)製)1.0質量部、硫酸バンド2.0質量部を加えて紙料を調製し、長網抄紙機を使用して坪量30g/m2の基材(紙)を抄造した。この基材の片面に応力発光材料を含む塗工層として、発光中心としてユウロピウムを添加したアルミン酸ストロンチウム(SrAl2O4 :Eu)の粉体をポリビニルアルコール(商品名「クラレポバール117」、クラレ(株)製)とともに水に分散させ、エアナイフコーターで基材の表面に13g/m2塗工した応力発光シートを得た。
基材の坪量を60g/m2とする以外は実施例1と同様の方法で応力発光シートを作成した。
基材の坪量を64g/m2とする以外は実施例1と同様の方法で応力発光シートを作成した。
基材の坪量を75g/m2とする以外は実施例1と同様の方法で応力発光シートを作成した。
基材の坪量を81g/m2とする以外は実施例1と同様の方法で応力発光シートを作成した
基材として坪量25g/m2の不織布(商品名「マリックス」ユニチカ(株)製)を使用する以外は実施例1と同様の方法で応力発光シートを作成した。
基材として坪量50g/m2の不織布(商品名「テラマック」ユニチカ(株)製)を使用する以外は実施例1と同様の方法で応力発光シートを作成した。
発光中心としてユウロピウムを添加したアルミン酸ストロンチウム(SrAl2O4:Eu)の粉体を応力発光材料としてポリウレタン樹脂(商品名「サンプレンIB」三洋化成工業(株)製)及びイソシアネート系硬化剤(商品名「コロネート」日本ポリウレタン工業(株)製)と共にトルエンに分散させ、分散液を得た。基材として坪量25g/m2の透明PETフィルム(商品名「テトロンフィルム」帝人デュポン(株)製)を用意し、この基材上に、グラビアコーターで13g/m2の量で分散液を塗工し、応力発光シートを得た。
基材として坪量58g/m2の透明ポリエチレンフィルム(商品名「ポリフィルム」石島化学工業(株)製)を使用する以外は実施例1と同様の方法で応力発光シートを作成した。
基材の坪量を90g/m2とする以外は実施例1と同様の方法で応力発光シートを作成した。
基材の坪量を100g/m2とする以外は実施例1と同様の方法で応力発光シートを作成した。
基材として坪量165g/m2の透明PETフィルム(商品名「テトロンフィルム」帝人デュポン(株)製)を使用する以外は実施例8と同様の方法で応力発光シートを作成した。
明所に5分間静置した応力発光シートを暗幕下に入れ、応力発光層の表面に対し爪でスクラッチ(擦る又は引っ掻く)することにより表面から外圧を加えた。これにより生じた発光は目視にて以下の基準で評価した。
発光が肉眼ではっきり観察されるもの:○
肉眼でも僅かながら発光が観察されるもの:△
肉眼では全く観察されないもの:×
明所に5分間静置した応力発光シートを暗幕下に入れ、シートの両端を両手で持ち、両手をそれぞれ上下左右に動かすことによりシートに瞬間的な屈折変形を生じさせた。これにより生じた発光は目視にて評価した以下の基準で評価し、△以上を合格とした。
屈折変形時に、いくつもの稲妻状の発光が容易に発生するもの:○
印可する外力を高めて屈折変形度を大きくすることで、いくつもの稲妻状の発光が発生するもの:△
印可する外力を高めて屈折変形度を大きくしても発光しないもの、もしくは発光が不鮮明でぼやけている(稲妻状ではない)もの:×
(1) スクラッチによる発光は、シート物性に関わらず、実施例1〜9及び比較例1〜3のいずれのサンプルにおいても確認された。
(2) 実施例1〜9のシートについては、シート基材の種類に関わらず、シャープな屈折変形を生じ、応力がいくつかの縞状に集中するようになった。その結果、スクラッチによる発光よりも鮮明な稲妻状の発光がいくつも発生した。
(3) そのうち、実施例1〜2及び6〜9のシートについては、過度な応力を加えなくても、稲妻状の発光が容易に発生した。
(4) 比較例1〜3のシートについては、屈折変形が緩やかになり、応力がシート全体に分散するようになった。そのため、発光も全体的にぼやけた感じになってしまい、実施例1〜9のような稲妻状の発光は確認されなかった。
(5) 実施例1〜9と比較例1〜3の比較により、稲妻状の発光を発生させるためにはシートの剛度(こわさ)が重要であることが判明した。屈折変形による稲妻状の発光を示すためにはシートのガーレー剛度(こわさ)は1.55mN以下であることが必要であり、さらに稲妻状の発光を容易に発生させるためにはシートのガーレー剛度(こわさ)は0.40mN以下であることが必要となる。
Claims (14)
- JAPAN TAPPI No.40に準拠したガーレー剛度が1.55mN以下である応力発光シート。
- 前記ガーレー剛度が0.40mN以下である、請求項1記載の応力発光シート。
- 10〜100g/m2の坪量を有する、請求項1又は2のいずれかに記載の応力発光シート。
- 10〜250μmの厚みを有する、請求項1〜3のいずれかに記載の応力発光シート。
- 屈折変形可能であり、屈折変形時に屈折部位が発光する、請求項1〜4のいずれかに記載の応力発光シート。
- 前記屈折変形時に、
前記屈折部位が複数形成され、
前記複数の屈折部位の相対位置が変動する、請求項5記載の応力発光シート。 - 可逆的に屈折変形可能である、請求項5又は6記載の応力発光シート。
- 基材層及び応力発光層を備える、請求項1〜7のいずれかに記載の応力発光シート。
- 前記応力発光層が
少なくとも1種の応力発光材料の微粒子、及び、
少なくとも1種のバインダー高分子
を含む、請求項8記載の応力発光シート。 - 前記基材層に応力発光材料が含まれる、請求項8又は9記載の応力発光シート。
- 前記基材層が、フィルム、不織布又は紙である、請求項8〜10のいずれかに記載の応力発光シート。
- 前記応力発光層の発光が前記基材層を透過可能である、請求項8〜11のいずれかに記載の応力発光シート。
- 少なくとも1つの接着性層を更に備える、請求項8〜12のいずれかに記載の応力発光シート。
- 最外層が前記接着性層である、請求項13記載の応力発光シート。
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PCT/JP2016/054560 WO2016133111A1 (ja) | 2015-02-19 | 2016-02-17 | 応力発光シート |
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JP6544190B2 (ja) * | 2015-10-20 | 2019-07-17 | 大日本印刷株式会社 | スクラッチシート |
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WO2022270029A1 (ja) * | 2021-06-22 | 2022-12-29 | 株式会社島津製作所 | 試験用シートおよび計測方法 |
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JP2003253261A (ja) * | 2001-12-28 | 2003-09-10 | Sony Corp | 蛍光性物質、複合材料、コート材料、塗料、インク、人工皮膚、人工皮膚の接触情報処理方法、人工発光皮膚、人工発光毛髪、発光素子、電子装置、発光システム、表示システム、フレキシブル発光材料、超音波発光性物質、交通標識、発光方法、複合材料の製造方法および発光素子の製造方法 |
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