JPH03209402A - Production of lens sheet - Google Patents
Production of lens sheetInfo
- Publication number
- JPH03209402A JPH03209402A JP539890A JP539890A JPH03209402A JP H03209402 A JPH03209402 A JP H03209402A JP 539890 A JP539890 A JP 539890A JP 539890 A JP539890 A JP 539890A JP H03209402 A JPH03209402 A JP H03209402A
- Authority
- JP
- Japan
- Prior art keywords
- base material
- transparent resin
- resin base
- lens
- liquid
- 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.)
- Pending
Links
- 238000004519 manufacturing process Methods 0.000 title claims description 9
- 239000011347 resin Substances 0.000 claims abstract description 48
- 229920005989 resin Polymers 0.000 claims abstract description 48
- 239000000463 material Substances 0.000 claims abstract description 22
- 239000007788 liquid Substances 0.000 claims abstract description 14
- 238000000034 method Methods 0.000 claims abstract description 11
- 230000001678 irradiating effect Effects 0.000 claims abstract description 6
- 125000002496 methyl group Chemical group [H]C([H])([H])* 0.000 claims abstract description 4
- 229910052739 hydrogen Inorganic materials 0.000 claims abstract description 3
- 239000001257 hydrogen Substances 0.000 claims abstract description 3
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 claims abstract 2
- 150000001875 compounds Chemical class 0.000 claims description 6
- 239000000126 substance Substances 0.000 claims 1
- 238000000576 coating method Methods 0.000 abstract description 4
- 239000011248 coating agent Substances 0.000 abstract description 3
- 238000003848 UV Light-Curing Methods 0.000 abstract 3
- 230000001070 adhesive effect Effects 0.000 abstract 2
- 239000000113 methacrylic resin Substances 0.000 description 4
- 239000000758 substrate Substances 0.000 description 4
- 229920000297 Rayon Polymers 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- HCLJOFJIQIJXHS-UHFFFAOYSA-N 2-[2-[2-(2-prop-2-enoyloxyethoxy)ethoxy]ethoxy]ethyl prop-2-enoate Chemical compound C=CC(=O)OCCOCCOCCOCCOC(=O)C=C HCLJOFJIQIJXHS-UHFFFAOYSA-N 0.000 description 2
- RZVINYQDSSQUKO-UHFFFAOYSA-N 2-phenoxyethyl prop-2-enoate Chemical compound C=CC(=O)OCCOC1=CC=CC=C1 RZVINYQDSSQUKO-UHFFFAOYSA-N 0.000 description 2
- 150000001252 acrylic acid derivatives Chemical class 0.000 description 2
- NIXOWILDQLNWCW-UHFFFAOYSA-N acrylic acid group Chemical group C(C=C)(=O)O NIXOWILDQLNWCW-UHFFFAOYSA-N 0.000 description 2
- 238000007598 dipping method Methods 0.000 description 2
- 238000010894 electron beam technology Methods 0.000 description 2
- UHESRSKEBRADOO-UHFFFAOYSA-N ethyl carbamate;prop-2-enoic acid Chemical class OC(=O)C=C.CCOC(N)=O UHESRSKEBRADOO-UHFFFAOYSA-N 0.000 description 2
- QSHDDOUJBYECFT-UHFFFAOYSA-N mercury Chemical compound [Hg] QSHDDOUJBYECFT-UHFFFAOYSA-N 0.000 description 2
- 229910052753 mercury Inorganic materials 0.000 description 2
- 239000000178 monomer Substances 0.000 description 2
- 229920003002 synthetic resin Polymers 0.000 description 2
- 239000000057 synthetic resin Substances 0.000 description 2
- VOBUAPTXJKMNCT-UHFFFAOYSA-N 1-prop-2-enoyloxyhexyl prop-2-enoate Chemical compound CCCCCC(OC(=O)C=C)OC(=O)C=C VOBUAPTXJKMNCT-UHFFFAOYSA-N 0.000 description 1
- OMIGHNLMNHATMP-UHFFFAOYSA-N 2-hydroxyethyl prop-2-enoate Chemical compound OCCOC(=O)C=C OMIGHNLMNHATMP-UHFFFAOYSA-N 0.000 description 1
- CEXQWAAGPPNOQF-UHFFFAOYSA-N 2-phenoxyethyl 2-methylprop-2-enoate Chemical compound CC(=C)C(=O)OCCOC1=CC=CC=C1 CEXQWAAGPPNOQF-UHFFFAOYSA-N 0.000 description 1
- NIXOWILDQLNWCW-UHFFFAOYSA-M Acrylate Chemical compound [O-]C(=O)C=C NIXOWILDQLNWCW-UHFFFAOYSA-M 0.000 description 1
- 229920006353 Acrylite® Polymers 0.000 description 1
- 239000004593 Epoxy Substances 0.000 description 1
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 1
- CERQOIWHTDAKMF-UHFFFAOYSA-N Methacrylic acid Chemical compound CC(=C)C(O)=O CERQOIWHTDAKMF-UHFFFAOYSA-N 0.000 description 1
- DAKWPKUUDNSNPN-UHFFFAOYSA-N Trimethylolpropane triacrylate Chemical compound C=CC(=O)OCC(CC)(COC(=O)C=C)COC(=O)C=C DAKWPKUUDNSNPN-UHFFFAOYSA-N 0.000 description 1
- BZHJMEDXRYGGRV-UHFFFAOYSA-N Vinyl chloride Chemical compound ClC=C BZHJMEDXRYGGRV-UHFFFAOYSA-N 0.000 description 1
- IAXXETNIOYFMLW-GYSYKLTISA-N [(1r,3r,4r)-4,7,7-trimethyl-3-bicyclo[2.2.1]heptanyl] 2-methylprop-2-enoate Chemical compound C1C[C@@]2(C)[C@H](OC(=O)C(=C)C)C[C@@H]1C2(C)C IAXXETNIOYFMLW-GYSYKLTISA-N 0.000 description 1
- HVVWZTWDBSEWIH-UHFFFAOYSA-N [2-(hydroxymethyl)-3-prop-2-enoyloxy-2-(prop-2-enoyloxymethyl)propyl] prop-2-enoate Chemical compound C=CC(=O)OCC(CO)(COC(=O)C=C)COC(=O)C=C HVVWZTWDBSEWIH-UHFFFAOYSA-N 0.000 description 1
- 239000006096 absorbing agent Substances 0.000 description 1
- 239000002390 adhesive tape Substances 0.000 description 1
- RWCCWEUUXYIKHB-UHFFFAOYSA-N benzophenone Chemical compound C=1C=CC=CC=1C(=O)C1=CC=CC=C1 RWCCWEUUXYIKHB-UHFFFAOYSA-N 0.000 description 1
- 239000012965 benzophenone Substances 0.000 description 1
- 229940125773 compound 10 Drugs 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 239000003085 diluting agent Substances 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 125000004435 hydrogen atom Chemical group [H]* 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-M hydroxide Chemical group [OH-] XLYOFNOQVPJJNP-UHFFFAOYSA-M 0.000 description 1
- 238000001746 injection moulding Methods 0.000 description 1
- 238000010884 ion-beam technique Methods 0.000 description 1
- ZLVXBBHTMQJRSX-VMGNSXQWSA-N jdtic Chemical compound C1([C@]2(C)CCN(C[C@@H]2C)C[C@H](C(C)C)NC(=O)[C@@H]2NCC3=CC(O)=CC=C3C2)=CC=CC(O)=C1 ZLVXBBHTMQJRSX-VMGNSXQWSA-N 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 229920005668 polycarbonate resin Polymers 0.000 description 1
- 239000004431 polycarbonate resin Substances 0.000 description 1
- 229920000728 polyester Polymers 0.000 description 1
- 239000004926 polymethyl methacrylate Substances 0.000 description 1
- 229920005862 polyol Polymers 0.000 description 1
- -1 polyol acrylates Chemical class 0.000 description 1
- 229920005990 polystyrene resin Polymers 0.000 description 1
- 239000002964 rayon Substances 0.000 description 1
- 238000007650 screen-printing Methods 0.000 description 1
- 239000007921 spray Substances 0.000 description 1
Abstract
Description
【発明の詳細な説明】
（産業上の利用分野）
本発明は、ビデオプロジェクションテレビのスクリーン
に用いられるフレネルレンズやレンチキュラーレンズ、
あるじは集光用のフレネルレンズ等のレンズシートの製
造方法に関する本のである。Detailed Description of the Invention (Industrial Application Field) The present invention relates to a Fresnel lens or a lenticular lens used in a video projection television screen,
The Master is a book about the manufacturing method of lens sheets such as Fresnel lenses for condensing light.
（従来の技術）
フレネルレンズやレンチキュラーレンズ等のレンズシー
トを製造する場合、そのサイズが比較的小さく大量生産
するときは合成樹脂の射出成形の方法が行われてｂるが
、上述したスクリーン用や集光用で比較的大きなサイズ
のレンズシートを製作する場合は、平板状のレンズ型に
樹脂板を当接し、これを加熱加圧してレンズ面を転写し
て製造するのが一般的である。(Prior art) When manufacturing lens sheets such as Fresnel lenses and lenticular lenses, injection molding of synthetic resin is used when the size is relatively small and mass production is required. When manufacturing a relatively large lens sheet for condensing light, it is common to place a resin plate in contact with a flat lens mold and heat and press it to transfer the lens surface.
ところがこの方法によるときは、加熱−冷却に要する時
間が長くか！シ、生産性を上げられないという難点があ
った。However, when using this method, the time required for heating and cooling is long! However, the problem was that productivity could not be increased.
このため最近では、レンズ型と透明樹脂基板との間に紫
外線硬化型樹脂液を介在させ、紫外線を照射して硬化さ
せる方法が提案されて因る（％開開６１−１７７２１５
号公報参照）。For this reason, a method has recently been proposed in which an ultraviolet curable resin liquid is interposed between the lens mold and the transparent resin substrate and cured by irradiating ultraviolet rays (% aperture 61-177215).
(see publication).
（発明が解決しようとする課題）
しかしながら、上記の紫外線硬化型樹脂にょつでレンズ
部を形成する場合、透明樹脂基材との密着性が得られな
いことが多い。とりわけ透明樹脂基材とｌ−で、透明性
や耐候性が優れとの種の材料として好適なメタクリル樹
脂は、表面の活性が比較的乏しく、紫外線硬化型樹脂と
の密着性を高ｋｌ）ることか強く望まれてｂた。(Problems to be Solved by the Invention) However, when forming a lens portion using the above-mentioned ultraviolet curable resin, adhesion to the transparent resin base material is often not obtained. In particular, methacrylic resin, which is suitable as a material for transparent resin substrates and l- due to its excellent transparency and weather resistance, has relatively poor surface activity and has high adhesion with ultraviolet curable resins. It was strongly desired.
本発明はとのような状況に鑑み、紫外線硬化型樹脂の形
成される透明樹脂基材の面を、−宇の化合物を塗布した
のち活性エネルギー線を照射するという方法について横
側１〜、本発明を完成するに至ったものである。In view of the situation described above, the present invention has been developed based on a method in which the surface of a transparent resin base material on which an ultraviolet curable resin is formed is coated with a compound and then irradiated with active energy rays. This led to the completion of the invention.
（課題を解決するだめの手段）
すなわち本発明は、上記の課題を達成しようとするもの
で、その要旨とするところは、透明樹脂基材とし・ンズ
型との１１ｊ］に紫外線硬化型樹脂液を介在させたのち
紫外線を照射して透明ｉ＠肋基材の少なくとも一面にレ
ンズ部を形成するレンズシートの製造方法において、使
用する透明り↑脂基材の少なくとも紫外線硬化型樹脂液
の接する面に、予め下記の式で示される化合物１０
（ただしＲＸけ水素またはメチル基）
１：塗布し、しかるのち活性エネルギー線を照射するこ
とを特徴とするレンズシートの製造方法にある。(Means for solving the problem) That is, the present invention attempts to achieve the above-mentioned problem, and its gist is to apply an ultraviolet curable resin liquid to a transparent resin base and a lens mold. In a method for manufacturing a lens sheet, in which a lens portion is formed on at least one surface of a transparent resin substrate by irradiating ultraviolet rays after interposing A method for producing a lens sheet is provided, which comprises applying in advance a compound 10 represented by the following formula (where RX is hydrogen or a methyl group), and then irradiating with active energy rays.
以下、本発明をさらＩｃ詳細に説明する。Hereinafter, the present invention will be explained in further detail.
本発明屹使用する透明樹脂基材としては、上述し六−よ
うにメタクリル樹脂板が適しているが、と力５以外にも
ポリカーボネート樹脂板、塩化ビニル樹脂板やポリスチ
レン樹脂板等が使用でき、またポリニスデルフィルムを
はじめとする各種の樹脂フィルムも使用しうる。As the transparent resin substrate used in the present invention, a methacrylic resin plate is suitable as mentioned above, but in addition to methacrylic resin plates, polycarbonate resin plates, vinyl chloride resin plates, polystyrene resin plates, etc. can also be used. Various resin films including polynisdel film can also be used.
そして本発明は、このような透明樹脂基Ｈの少なくとも
紫外線硬化型樹脂液の接する面に、予め式
（ただしＲ１は水宰せたはメチル基）
で示さノ］２る化合物を塗布するが、この場合の塗布は
透明樹脂基材の紫外線硬化型樹脂液の接する面に１スプ
レー法、ロールコート法、スクリーン印刷法壽により塗
布してもよいし、デツピング法により浸漬して両面を処
理してもよい。In the present invention, at least the surface of such a transparent resin group H that comes into contact with the ultraviolet curable resin liquid is coated in advance with a compound represented by the formula (where R1 is a hydroxide or methyl group). In this case, the coating may be applied to the surface of the transparent resin base material in contact with the ultraviolet curable resin liquid by a single spray method, roll coating method, or screen printing method, or by dipping it by a dipping method to treat both sides. Good too.
本発明で使用される化合物としては、フェノキシエチル
アクリレート、フェノキシエチルメタクリレートが挙げ
られる。Compounds used in the present invention include phenoxyethyl acrylate and phenoxyethyl methacrylate.
上記化合物圧よる処理によって紫外線硬化型樹脂の密着
性が向上する理由は、十分に解明されていないが、（メ
タ）アクリル酸エステルのアルコール成分が、透明樹脂
基材内圧きわめて浸透し易いものであり、その表面′ｔ
ｔ膨潤さゼ、かつ（メタ）アクリル酸が紫外線硬化型樹
脂液と反応するため、透明樹脂基材と紫外線硬化型樹脂
との橋渡しのような効果を本たらすものと推定される。The reason why the adhesion of ultraviolet curable resins is improved by the above-mentioned compound pressure treatment is not fully understood, but the alcohol component of (meth)acrylic esters is extremely easy to penetrate the internal pressure of the transparent resin base material. , its surface't
Since the (meth)acrylic acid reacts with the ultraviolet curable resin liquid, it is presumed to have the effect of bridging the transparent resin base material and the ultraviolet curable resin.
このように上記化合物を塗布するのみでも密着性の向上
の効果は認められるが、さらに活性エネルギー線を照射
することにより密着性は一層向上する。ここで使用する
活性エネルギー線とは、電子線、イオン線等の粒子線、
γ線、Ｘ線、紫外線、可視光線、赤外線等の電磁波線を
挙げることができるが、この中で特に好ましいものけ、
電子線、紫外線あるｂは遠赤外線である。Although the effect of improving adhesion can be observed simply by applying the above compound, the adhesion is further improved by further irradiation with active energy rays. The active energy rays used here include particle beams such as electron beams and ion beams,
Examples include electromagnetic waves such as gamma rays,
Electron beams, ultraviolet rays, and b are far infrared rays.
以上のようにして得た透明樹脂基材を用ｂ１これとレン
ズ型とを対設置〜、この闇に紫外線硬化型樹脂液を介在
させ、次いで紫外線を照射させるか、この場合のレンズ
型としてはフレネルレンズ、レンチキュラーレンズある
ｂけフライアイを与える面をもった金属や合成樹脂製の
型を用いることができる。Use the transparent resin base material obtained as described above and pair it with a lens mold. A mold made of metal or synthetic resin and having a surface that provides a fly's eye, such as a Fresnel lens or a lenticular lens, can be used.
オた紫外線硬化型樹脂と【〜では、特に限定されないが
、一般に用いられているエポキシアクリレート系、ウレ
タンアクリレート系、ポリエステルアクリレート系、ポ
リオールアクリレート系等が使用しうる。そして同時に
使用される反応性稀釈モノマーは、１つあるいけそれ以
上の反応性モノ、ジあるいは多官能アクリル系モノマー
例えばペンタエリスリトールトリアクリレ−ト、トリ
メチロールプロパントリアクリレート、ヘキサンジオー
ルジアクリレート、テトラエチレングリコールジアクリ
レート、インボルニルアクリレート等が使用しうる。The ultraviolet curable resin and [-] are not particularly limited, but commonly used epoxy acrylates, urethane acrylates, polyester acrylates, polyol acrylates, etc. can be used. The reactive diluent monomer used at the same time may be one or more reactive mono-, di- or polyfunctional acrylic monomers such as pentaerythritol triacrylate, trimethylolpropane triacrylate, hexanediol diacrylate, tetra Ethylene glycol diacrylate, inbornyl acrylate, etc. can be used.
そしてこれらの紫外線硬化型樹脂液の硬化は一般に行わ
れてｂる方法で行うことができる。These ultraviolet curable resin liquids can be cured by a commonly used method.
（実施例） 以下、具体的実施例について説明する。(Example) Specific examples will be described below.
透明樹脂基材として、厚さ３■のメタクリル樹脂板「ア
クリライト＋０００」（三菱レイヨン社製、紫外線吸収
剤を含壕なｅｘ４の）を用す。As a transparent resin base material, a methacrylic resin plate "Acrylite+000" (manufactured by Mitsubishi Rayon Co., Ltd., EX4 containing a UV absorber) with a thickness of 3 cm is used.
紫外線硬化型樹脂液として下記の組成のものを用すた。A UV-curable resin liquid having the following composition was used.
・三菱レイヨン社製ウレタンアクリレートｒＵＫ−６０
３６Ｊ ６０重量鳴・三菱レイヨン社製ヒ
ドロキシエチルアクリレート［アクリエステルＨＯＪ
４０重量係・ベンゾフェノン ３重量嘔（上記の
２つの和に対して）上記透明樹脂基材は、予めフェノキ
シエチルアクリレートに光開始剤（メルク社製「ダロキ
ュア１１７３Ｊ）を３重量略添加したものをスプレー法
によシ約１０μｍの厚さに塗布し、塗布面に８０Ｗ／ａ
ＩＩの高圧水銀灯１灯で、照射距離３０α、移動速度５
ｍ ７分の条件で紫外線照射を行った。この照射エネ
ルギーは、３２０〜５９０ ｎｍ、波長領域において５
１０ ｍＪ／ｍ’であった。・Mitsubishi Rayon urethane acrylate rUK-60
36J 60 weight sound/Hydroxyethyl acrylate manufactured by Mitsubishi Rayon Co., Ltd. [Acryester HOJ
40 parts by weight / 3 parts by weight of benzophenone (based on the sum of the above two) The above transparent resin base material was sprayed with phenoxyethyl acrylate to which approximately 3 parts by weight of a photoinitiator ("Darocur 1173J" manufactured by Merck & Co., Ltd.) had been added in advance. Apply the coating to a thickness of approximately 10μm using the method, and apply 80W/a to the coated surface.
One II high-pressure mercury lamp, irradiation distance 30α, movement speed 5
Ultraviolet irradiation was performed for 7 minutes. This irradiation energy is 5 in the wavelength range 320-590 nm.
It was 10 mJ/m'.
次に、この透明樹脂基材の処理面を内側にしてフレネル
レンズ型と対設し、この間に紫外線硬化型樹脂液を介在
させた。そしてこの透明樹脂基材側から、８０ Ｙ ／
ｅｘの高圧水銀灯３灯で照射距離１５ｃ１１１、移動
速度５ ｍ ７分の条件で紫外線を照射し、硬化させて
レンズ部を一体的に形成した。Next, this transparent resin base material was placed opposite to a Fresnel lens mold with the treated surface facing inside, and an ultraviolet curable resin liquid was interposed between them. From this transparent resin base material side, 80 Y/
The lens portion was integrally formed by irradiating ultraviolet rays with three EX high-pressure mercury lamps at an irradiation distance of 15 cm and a moving speed of 5 m for 7 minutes.
得られたフレネルレンズシートの密着性を、Ｊ工８
Ｋ５４００に準拠し粘着テープによるクロスカットの密
着性テストによってＷ（ｉｌｌ。The adhesion of the obtained Fresnel lens sheet was evaluated by
W(ill) by a cross-cut adhesion test using adhesive tape in accordance with K5400.
たところ、第１表の如き結果が得られ、本発明の優位性
が確認された。なお密着性テストのランクは次の通りで
ある。As a result, the results shown in Table 1 were obtained, confirming the superiority of the present invention. The ranks of the adhesion test are as follows.
○・・・・・９５／１００以上残留
Δ・・・・・５０／１００以上残留
×・・・・・５０／１００未満
第
表
（発明の効果）
本発明は以上詳述した如き構成からなる本のであるから
、レンズ部と透明樹脂基材との密着性の高いレンズシー
トを得ることができ、しかも特別な装量も必要とせず液
体による処理と活性エネルギー線の照射という簡便な方
法によって効率よく製造しうる利点がある。○... 95/100 or more residual Δ... 50/100 or more residual Because it is made of real material, it is possible to obtain a lens sheet with high adhesion between the lens part and the transparent resin base material.Moreover, it does not require a special loading amount and is efficient due to the simple method of liquid treatment and active energy ray irradiation. It has the advantage of being easy to manufacture.
Claims (1)
介在させたのち紫外線を照射して透明樹脂基材の少なく
とも一面にレンズ部を形成するレンズシートの製造方法
において、使用する透明樹脂基材の少なくとも紫外線硬
化型樹脂液の接する面に、予め下記の式で示される化合
物 ▲数式、化学式、表等があります▼ （ただしＲ＿１は水素またはメチル基） を塗布し、しかるのち活性エネルギー線を照射すること
を特徴とするレンズシートの製造方法。[Claims] A method for manufacturing a lens sheet, which comprises interposing an ultraviolet curable resin liquid between a transparent resin base material and a lens mold, and then irradiating ultraviolet rays to form a lens portion on at least one surface of the transparent resin base material. , a compound represented by the formula below ▲ There is a mathematical formula, chemical formula, table, etc. ▼ (where R_1 is hydrogen or methyl group) is applied in advance to at least the surface of the transparent resin base material that will be in contact with the ultraviolet curable resin liquid. , followed by irradiation with active energy rays.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP539890A JPH03209402A (en) | 1990-01-12 | 1990-01-12 | Production of lens sheet |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP539890A JPH03209402A (en) | 1990-01-12 | 1990-01-12 | Production of lens sheet |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH03209402A true JPH03209402A (en) | 1991-09-12 |
Family
ID=11610046
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP539890A Pending JPH03209402A (en) | 1990-01-12 | 1990-01-12 | Production of lens sheet |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH03209402A (en) |
-
1990
- 1990-01-12 JP JP539890A patent/JPH03209402A/en active Pending
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