JP2012234112A5 - - Google Patents
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- JP2012234112A5 JP2012234112A5 JP2011104102A JP2011104102A JP2012234112A5 JP 2012234112 A5 JP2012234112 A5 JP 2012234112A5 JP 2011104102 A JP2011104102 A JP 2011104102A JP 2011104102 A JP2011104102 A JP 2011104102A JP 2012234112 A5 JP2012234112 A5 JP 2012234112A5
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- JP
- Japan
- Prior art keywords
- transparent resin
- resin film
- fluorescence
- ultraviolet rays
- cured product
- 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.)
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Description
次の蛍光強度計測工程（Ｃ）において、引き続き第一の透明樹脂フィルム２側から蛍光強度計測用の紫外線を照射することも考えられるものの、特に第一の透明樹脂フィルム２が紫外線の照射を受けて蛍光を発する場合には、当該第一の透明樹脂フィルム２がその紫外線を受けて蛍光を発するため、検知される蛍光の強度と接着剤の硬化物層７，８の硬化状態とが直接相関することにはならない。一方、第二の透明樹脂フィルム３側から蛍光強度計測用の紫外線を照射すれば、その紫外線が第二の硬化物層８及び第一の硬化物層７に順次到達して、それぞれを励起し、蛍光を発するものの、やはり第一の透明樹脂フィルム２が紫外線の照射を受けて蛍光を発する場合には、当該第一の透明樹脂フィルム２にもその紫外線が到達して蛍光を発するので、検知される蛍光の強度と接着剤の硬化物層７，８の硬化状態とが、やはり直接相関することにはならない。 In the next fluorescence intensity measurement step (C), although it is conceivable to continuously irradiate ultraviolet rays for measuring fluorescence intensity from the first transparent resin film 2 side, the first transparent resin film 2 is particularly irradiated with ultraviolet rays. Te in the case that Hassu fluorescence, since the first transparent resin film 2 emits fluorescence by receiving the ultraviolet rays, and a cured state of the cured product layer 7,8 of strength and adhesive fluorescence detected There is no direct correlation. On the other hand, if the ultraviolet light for fluorescence intensity measurement is irradiated from the second transparent resin film 3 side, the ultraviolet rays sequentially reach the second cured product layer 8 and the first cured product layer 7 to excite each. although fluoresce, also in the case that the first transparent resin film 2 Hassu fluorescence when irradiated with ultraviolet light, so even on the first transparent resin film 2 is the UV fluorescing reached Also, the intensity of the detected fluorescence and the cured state of the cured product layers 7 and 8 are not directly correlated.
また以上の説明からわかるとおり、第一の透明樹脂フィルム２が紫外線の照射を受けて蛍光を発する場合であっても、そこからの蛍光４９に影響を受けることなく、事実上第二の硬化物層８が発する蛍光４８に起因する強度を計測することができる。したがって、第一の透明樹脂フィルム２が紫外線の照射を受けて蛍光を発しない場合でももちろん、事実上第二の硬化物層８が発する蛍光４８のみに起因する強度を計測することができる。 As also understood from the above description, even if that Hassu fluorescence first transparent resin film 2 is irradiated with ultraviolet rays, without being affected by the fluorescence 49 from there, virtually second The intensity resulting from the fluorescence 48 emitted from the cured product layer 8 can be measured. Therefore, even when the first transparent resin film 2 does not emit fluorescence when irradiated with ultraviolet rays, it is possible to measure the intensity due to only the fluorescence 48 emitted from the second cured product layer 8 in effect.
偏光フィルム１、第一の透明樹脂フィルム２及び第二の透明樹脂フィルム３の組合せが決まれば、偏光フィルム１と第一の透明樹脂フィルム２との接着に用いる接着剤、及び偏光フィルム１と第二の透明樹脂フィルム３との接着に用いる接着剤が決まり、ほぼ同一の照射条件で操業される。この際一般には、偏光フィルム１と第一の透明樹脂フィルム２との接着、及び偏光フィルム１と第二の透明樹脂フィルム３との接着に、同一の種類の接着剤を用いることが多い。そして、接着剤の組成毎に蛍光強度の閾値を予め設定しておき、その閾値を基準として、蛍光強度計測工程（C）において計測される蛍光強度の値をその閾値と対比することにより、偏光板５における接着剤の硬化状態を推定し、接着性の評価を行うことが実用的であり、かつ有効である。
If the combination of the polarizing film 1, the first transparent resin film 2 and the second transparent resin film 3 is determined, the adhesive used for bonding the polarizing film 1 and the first transparent resin film 2, and the polarizing film 1 and the first transparent resin film 3 The adhesive used for bonding with the second transparent resin film 3 is determined, and is operated under substantially the same irradiation conditions. In this case, generally, the same type of adhesive is often used for bonding the polarizing film 1 and the first transparent resin film 2 and bonding the polarizing film 1 and the second transparent resin film 3. A fluorescence intensity threshold value is set in advance for each adhesive composition, and the fluorescence intensity value measured in the fluorescence intensity measurement step ( C ) is compared with the threshold value based on the threshold value. It is practical and effective to estimate the cured state of the adhesive on the plate 5 and evaluate the adhesiveness.
Priority Applications (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2011104102A JP5790133B2 (en) | 2011-05-09 | 2011-05-09 | Method for producing polarizing plate using active energy ray curable adhesive |
| TW101115854A TWI526513B (en) | 2011-05-09 | 2012-05-03 | And a method for producing a polarizing plate using an active energy ray hardening type adhesive |
| KR1020120047272A KR101892754B1 (en) | 2011-05-09 | 2012-05-04 | Process for producing polarizing plate using active energy ray-curable adhesive |
| CN201210139032.0A CN102778717B (en) | 2011-05-09 | 2012-05-07 | Use the manufacture method of the polarization plates of active energy ray-curable tackifier |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2011104102A JP5790133B2 (en) | 2011-05-09 | 2011-05-09 | Method for producing polarizing plate using active energy ray curable adhesive |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| JP2012234112A JP2012234112A (en) | 2012-11-29 |
| JP2012234112A5 true JP2012234112A5 (en) | 2014-05-22 |
| JP5790133B2 JP5790133B2 (en) | 2015-10-07 |
Family
ID=47123674
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2011104102A Active JP5790133B2 (en) | 2011-05-09 | 2011-05-09 | Method for producing polarizing plate using active energy ray curable adhesive |
Country Status (4)
| Country | Link |
|---|---|
| JP (1) | JP5790133B2 (en) |
| KR (1) | KR101892754B1 (en) |
| CN (1) | CN102778717B (en) |
| TW (1) | TWI526513B (en) |
Families Citing this family (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR101627904B1 (en) * | 2013-02-21 | 2016-06-13 | 주식회사 엘지화학 | Method for preparing Polarizer having Protection films in two sides and Polarizer having Protection films in two sides therefrom |
| KR20140118879A (en) * | 2013-03-28 | 2014-10-08 | 주식회사 엘지화학 | Method for preparing Polarizer having Protection films in two sides and Polarizer having Protection films in two sides therefrom |
| WO2015046962A1 (en) * | 2013-09-30 | 2015-04-02 | 주식회사 엘지화학 | Method for manufacturing nearly-natural black polarizing plate and polarizing plate manufactured thereby |
| KR101678275B1 (en) * | 2013-09-30 | 2016-11-21 | 주식회사 엘지화학 | Method for preparing polarizing plate near natural black color and polarizing plate prepared thereby |
| CN111458783B (en) * | 2014-07-16 | 2022-02-11 | 日东电工株式会社 | Polarizing film and method for producing same |
| JP6567931B2 (en) * | 2015-09-14 | 2019-08-28 | 住友化学株式会社 | Method for producing laminated optical film |
| KR101941649B1 (en) * | 2017-11-24 | 2019-01-23 | 주식회사 엘지화학 | Polarizing plate and image display apparatus comprising the same |
| KR20210089726A (en) * | 2018-11-13 | 2021-07-16 | 다이니폰 인사츠 가부시키가이샤 | Optical film, polarizing plate, surface plate for image display device and image display device |
| US20230366829A1 (en) * | 2020-09-29 | 2023-11-16 | Denka Company Limited | Method for evaluating adhesion reliability and heat radiation performance of composite, and composite |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2006195320A (en) * | 2005-01-17 | 2006-07-27 | Sumitomo Chemical Co Ltd | Polarizing plate and its manufacturing method |
| KR20070076318A (en) * | 2006-01-18 | 2007-07-24 | 주식회사 엘지화학 | Fabrication method for polarizer plate, polarizer plate fabricated therefrom, and display device employing thereof |
| JP4185939B2 (en) * | 2006-03-15 | 2008-11-26 | オムロン株式会社 | UV curable resin state estimation method |
| JP4861968B2 (en) * | 2007-11-30 | 2012-01-25 | 住友化学株式会社 | Manufacturing method of polarizing plate |
| KR101605670B1 (en) * | 2009-01-28 | 2016-03-23 | 스미또모 가가꾸 가부시키가이샤 | Method for estimating state of ultraviolet rays curing resin and process for preparing the same |
| KR101707424B1 (en) * | 2009-09-10 | 2017-02-16 | 스미또모 가가꾸 가부시키가이샤 | Evaluating method of adhesion property of film and process for manufacturing laminated body |
-
2011
- 2011-05-09 JP JP2011104102A patent/JP5790133B2/en active Active
-
2012
- 2012-05-03 TW TW101115854A patent/TWI526513B/en active
- 2012-05-04 KR KR1020120047272A patent/KR101892754B1/en active IP Right Grant
- 2012-05-07 CN CN201210139032.0A patent/CN102778717B/en active Active
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