JPS6382735A - Resin for composite type non-spherical lens - Google Patents

Resin for composite type non-spherical lens

Info

Publication number
JPS6382735A
JPS6382735A JP22757886A JP22757886A JPS6382735A JP S6382735 A JPS6382735 A JP S6382735A JP 22757886 A JP22757886 A JP 22757886A JP 22757886 A JP22757886 A JP 22757886A JP S6382735 A JPS6382735 A JP S6382735A
Authority
JP
Japan
Prior art keywords
resin
radiation
mold
aspherical
radiation curable
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
Application number
JP22757886A
Other languages
Japanese (ja)
Inventor
Satoru Tsuchida
悟 土田
Haruki Yokono
春樹 横野
Takehiko Ishibashi
石橋 武彦
Tetsuro Saikawa
哲朗 才川
Takahiro Horie
隆宏 堀江
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Resonac Corp
Original Assignee
Hitachi Chemical Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Hitachi Chemical Co Ltd filed Critical Hitachi Chemical Co Ltd
Priority to JP22757886A priority Critical patent/JPS6382735A/en
Publication of JPS6382735A publication Critical patent/JPS6382735A/en
Pending legal-status Critical Current

Links

Abstract

PURPOSE:To obtain a resin for a composite type non-spherical lens excellent in transfer accuracy and adhesiveness by reducing the shrinkage at the time of curing, by constituting the curing component of a radiation curable resin only of a ring opening polymerizable monomer or partially containing said monomer in the radiation curable resin. CONSTITUTION:A resin to be used is a radiation curable one consisting only of a ring opening polymerizable monomer or partially containing said monomer. As radioactive rays to be used, gamma-rays, electron beam and ultraviolet rays can be used. As the radiation curable and ring opening polymerizable monomer, cyclic ether, lactone, cyclic acetal or ether having an unsaturated bond, spiro- orthocarbonate having an unsaturated bond or the like can be designated.

Description

【発明の詳細な説明】 (産業上の利用分野ン 本発明は、後付型非球面レンズ用樹脂に関する。[Detailed description of the invention] (Industrial application field) The present invention relates to a resin for a retrofit type aspherical lens.

(従来の技術) 複合型非球面ンンズは、一般に次の15にして作らnろ
。球面形状に加工したガラスレンズの表面に薄膜の放射
線硬化性樹脂層t−設け、このm脂層の上九非球面形状
に加工さ37:金型を圧着し、次にガラスレンズを介し
て放射線例えば紫外線fたは電子線を照射して樹脂を硬
化させた後、非球面形状が転写さnている樹脂層とガラ
スレンズとからなる複合型非球面レンズを非球面金型か
ら脱離する。
(Prior Art) Composite aspherical lenses are generally manufactured using the following procedure. A thin radiation-curable resin layer is provided on the surface of a glass lens processed into a spherical shape, and the top of this resin layer is processed into an aspherical shape. For example, after curing the resin by irradiating it with ultraviolet rays or electron beams, a composite aspherical lens consisting of a resin layer on which the aspherical shape has been transferred and a glass lens is removed from the aspherical mold.

前述の非球面金型は、予め粗加工された鋼材表面にニッ
ケルめりき會施し、さらにダイヤモンドツールによる超
精密NC仕上げ加工によって非球面形状九加工さnる。
The above-mentioned aspherical mold is made by applying nickel plating to the surface of the steel material, which has been rough-machined in advance, and then machining the aspherical shape by ultra-precision NC finishing using a diamond tool.

又、非球面金型の代わり罠、非球面形状に加工されたガ
ラス型あるいはプラスチック型を用いろ場曾もある。放
射線硬化性樹脂は、粘度が7000センチボイズ以下で
比較的低分子量の無色造明なもの、例えばエポキシアク
リレート樹脂、ウレタンアクリレート樹脂、ポリエステ
ルアクリレート樹脂等の紫外線硬化樹脂が用いられてい
る。
In addition, instead of an aspherical mold, there are cases where a glass mold or a plastic mold processed into an aspherical shape is used. As the radiation curable resin, a colorless clear resin having a viscosity of 7,000 centivoids or less and a relatively low molecular weight is used, such as an ultraviolet ray curable resin such as an epoxy acrylate resin, a urethane acrylate resin, or a polyester acrylate resin.

このよってして作らnた複合型非球面レンズは、他の方
法例えばガラス面を直接非球面レンズに加工する方法に
比べて、加工時間が極端に短くかつ量産性に富むという
特長があり、またガラス面全ホットプレスして非球面レ
ンズを作る方法に比べて、大型の非球面レンズを作m可
能でありかつ製造装置が小さいという長所がある。
The composite aspherical lens produced in this way has the advantage of extremely short processing time and high mass productivity compared to other methods, such as the method of directly processing a glass surface into an aspherical lens. Compared to the method of making an aspherical lens by hot pressing the entire glass surface, this method has the advantage that a large aspherical lens can be made and the manufacturing equipment is small.

(発明が解決しようとする問題点) しかし、従来の放射線硬化性樹脂は、硬化時にかなり収
縮するため、転写用型である非球面金型からの転写がま
だ完全に1:1の関係でなさnでいない。又、硬化時の
収縮のために球面状ガラスレンズとの接着力が弱いとい
う欠点もある。
(Problem to be solved by the invention) However, because conventional radiation-curable resins shrink considerably during curing, the transfer from the aspherical mold, which is the transfer mold, is not yet in a completely 1:1 relationship. Not n. Another drawback is that the adhesion to the spherical glass lens is weak due to shrinkage during curing.

(問題点を解決するための手段) 本発明者は、前述の問題点にかんがみ、硬化時の収縮を
少なくして、転写精度と接着が優nに複合型非球面レン
ズ用梢脂を得た。
(Means for Solving the Problems) In view of the above-mentioned problems, the present inventors have obtained a tree resin for a composite aspherical lens with excellent transfer accuracy and adhesion by reducing shrinkage during curing. .

本発明に用いる樹脂は、放射線硬化性を有しかつその成
分が開環重合可能なモノマーのみからなるか成るいに一
部含有しているものとする。
The resin used in the present invention is radiation curable and contains a portion consisting only of monomers capable of ring-opening polymerization.

本発明に用いる放射aは、γ線、電子層、紫外線が可能
である。本発明における放射源硬化性不飽和結合を持つ
環状アセタール又はエーテル、成るいは不飽和結合を持
つスピqオルンカーボネート等を挙げることができる。
The radiation a used in the present invention can be gamma rays, electron layers, or ultraviolet rays. In the present invention, radiation source-curable cyclic acetals or ethers having unsaturated bonds, spiq-olne carbonates having unsaturated bonds, etc. can be mentioned.

n=1.2.3.・・・・・・ 放射線で重合をおこすための開始剤は、カチオン重合に
はルイス酸のジアゾニウム塩、ヨードニウム塩、スルホ
ニウム塩等を、ラジカル1曾のためにはベンゾフェノン
、ベゾインエテルエーテル、2−2ジメトキシ−1−7
エニルアセトフエノシ等の公知の開始剤を用いる。
n=1.2.3. ...... Initiators for polymerization with radiation include diazonium salts, iodonium salts, sulfonium salts, etc. of Lewis acids for cationic polymerization, and benzophenone, bezoin ether ether, etc. for radical 1s. 2-2 dimethoxy-1-7
A known initiator such as enylacetophenol is used.

実施例 本発明の実施例に用いた樹脂組成を次に示し、第1図に
よって使用方法上説明する。
EXAMPLE The resin composition used in the example of the present invention is shown below, and the method of use will be explained with reference to FIG.

不飽和結合を持つスピロオルソカーボネート47重量部 ペンタエリスリトールテトラキス 一β−メルカプトプロピオネート 53重量部 ベンゾフェノン        4重量部上記材料を記
載の重量割付で混合攪拌して得た樹脂液を球面ガラスレ
ンズ30球面と反対面上に塗布して得た樹脂層2の上か
らニッケ/L−製の非球面金型1を重ねて圧着した。次
いで、放射線源に高圧水銀灯(S OW)を用い、紫外
線を図に示すように球面側から30秒間全面均一に照射
した。樹脂液が硬化した後、樹脂層2と非球面金型1と
の界面から球面ガラスレンズ5を剥離して複合型非球面
レンズを得た。
47 parts by weight of spiroorthocarbonate having unsaturated bonds 53 parts by weight of pentaerythritol tetrakis-β-mercaptopropionate 4 parts by weight of benzophenone An aspherical mold 1 made of nickel/L- was layered and pressed onto the resin layer 2 obtained by coating on the opposite surface. Next, using a high-pressure mercury lamp (SOW) as a radiation source, the entire surface was uniformly irradiated with ultraviolet rays for 30 seconds from the spherical side as shown in the figure. After the resin liquid was cured, the spherical glass lens 5 was peeled off from the interface between the resin layer 2 and the aspherical mold 1 to obtain a composite aspherical lens.

比較例として、アクリル酸エチル80重景部、トリエチ
レングリコールジメタクリレート20[tff[I、ペ
ンゾインヱテルエーテル3重量部全混合して得た放射線
硬化性樹脂との比較結果を第1表に示す。
As a comparative example, Table 1 shows the results of a comparison with a radiation-curable resin obtained by mixing 80 parts of ethyl acrylate, 20 parts of triethylene glycol dimethacrylate [tff[I], and 3 parts by weight of penzoin ether ether. Shown below.

第1表 非球面形状の転写性の評価は、触針式測定器土用い、測
定端子の備位量t−He −Neレーザー光の干渉を利
用して金型面及び樹脂面の面形状を測定した。81表に
は、実施例の複合型非球面レンズの値ヲ1.0として相
対値に表わした。
Table 1: Evaluation of the transferability of aspherical shapes was carried out using a stylus-type measuring device and measuring terminals. It was measured. In Table 81, the value of the composite aspherical lens of the example is expressed as a relative value with 1.0.

球面ガラスレンズの接着性は、−40℃(15分間)→
室温(10分間)→60℃(15分間)の冷熱サイク、
FL−を3回繰返した後、クロスカットテープテストA
STMD3359−76によって評価した。
The adhesiveness of spherical glass lenses is -40℃ (15 minutes) →
Cold cycle from room temperature (10 minutes) to 60℃ (15 minutes),
After repeating FL- three times, cross-cut tape test A
Evaluated by STMD3359-76.

(発明の効果) 本発明による放射線硬化性樹脂は、硬化時の収縮が少な
いため、非球面形状型からの転写精度が優t、かつ琢面
ガ2スレンズとの接着性が良好な検合型非球面しンズ奢
短時間に作製することができる。
(Effects of the Invention) The radiation-curable resin according to the present invention has less shrinkage during curing, so it has excellent transfer accuracy from an aspherical mold, and a matching mold with good adhesion to a glass lens. Aspherical lenses can be produced in a short time.

【図面の簡単な説明】[Brief explanation of the drawing]

第1図は、本発明冥胞例を説明する断面図である。 1・・・・・・非球面金型、    2・・・・・・樹
脂層3・・・・・・球面状ガラスレンズ、4・・・・・
・放射線。 第1図
FIG. 1 is a sectional view illustrating an example of the present invention. 1... Aspherical mold, 2... Resin layer 3... Spherical glass lens, 4...
·radiation. Figure 1

Claims (1)

【特許請求の範囲】[Claims] 1、球面に加工されたガラスレンズ面の上に放射線硬化
性の樹脂層を設け、さらにその上から非球面形状に加工
された金型、ガラス型またはプラスチック型を圧着した
状態で放射線を照射して樹脂層を硬化させ、硬化された
樹脂層を前記型から脱離して形成する複合型非球面レン
ズにおいて、前記放射線硬化性樹脂の硬化成分が開環重
合可能なモノマーのみからなるか或るいは開環重合可能
なモノマーを一部含有してなることを特徴とする複合型
非球面レンズ用樹脂。
1. A radiation-curable resin layer is placed on the spherical glass lens surface, and then a metal mold, glass mold, or plastic mold processed into an aspherical shape is pressed onto the resin layer, and then radiation is irradiated. In the composite aspherical lens formed by curing the resin layer and removing the cured resin layer from the mold, the curing component of the radiation-curable resin consists only of a monomer capable of ring-opening polymerization, or A composite aspherical lens resin characterized by containing a portion of a monomer capable of ring-opening polymerization.
JP22757886A 1986-09-26 1986-09-26 Resin for composite type non-spherical lens Pending JPS6382735A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP22757886A JPS6382735A (en) 1986-09-26 1986-09-26 Resin for composite type non-spherical lens

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP22757886A JPS6382735A (en) 1986-09-26 1986-09-26 Resin for composite type non-spherical lens

Publications (1)

Publication Number Publication Date
JPS6382735A true JPS6382735A (en) 1988-04-13

Family

ID=16863111

Family Applications (1)

Application Number Title Priority Date Filing Date
JP22757886A Pending JPS6382735A (en) 1986-09-26 1986-09-26 Resin for composite type non-spherical lens

Country Status (1)

Country Link
JP (1) JPS6382735A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6773638B2 (en) * 2000-07-19 2004-08-10 Koninklijke Philips Electronics N.V. Process of making a replica
WO2007109295A3 (en) * 2006-03-20 2008-10-09 Ophthonix Inc Custom monomers and polymers for spectacle lenses

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6773638B2 (en) * 2000-07-19 2004-08-10 Koninklijke Philips Electronics N.V. Process of making a replica
WO2007109295A3 (en) * 2006-03-20 2008-10-09 Ophthonix Inc Custom monomers and polymers for spectacle lenses

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