JP2003119231A5 - - Google Patents

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JP2003119231A5
JP2003119231A5 JP2001311370A JP2001311370A JP2003119231A5 JP 2003119231 A5 JP2003119231 A5 JP 2003119231A5 JP 2001311370 A JP2001311370 A JP 2001311370A JP 2001311370 A JP2001311370 A JP 2001311370A JP 2003119231 A5 JP2003119231 A5 JP 2003119231A5
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group
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meth
acrylate
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【0005】
【課題を解決するための手段】
本発明の光ディスク用活性エネルギー線硬化性組成物は、(a1)〜(a3)成分を反応させて得られるウレタン(メタ)アクリレート化合物(A)と、
(a1)ポリブタジエングリコール類及び/又はポリイソプレングリコール類
(a2)脂環式有機ジイソシアネート化合物
(a3)ヒドロキシ基含有(メタ)アクリル酸エステル
下記一般式(I)で示される化合物(B)と、
【化2】

Figure 2003119231
(一般式(I)中、X1及びX2はアクリロイルオキシ基又はメタクリロイルオキシ基を示し、X3はヒドロキシ基、アクリロイルオキシ基又はメタクリロイルオキシ基を示し、R1、R2及びR3は炭素数1〜4のアルキル基を示す。)
その他のエチレン性不飽和化合物(C)とを含有することを特徴とするものである。
ここで、エチレン性不飽和化合物(C)は、環状骨格を有する、前記化合物(B)以外の(メタ)アクリレートであることが望ましい。本発明の光ディスクは、上記光ディスク用活性エネルギー線硬化性組成物が硬化した厚みが20〜200μmの硬化物層を有することを特徴とするものである。 [0005]
[Means for Solving the Problems]
The active energy ray curable composition for an optical disk of the present invention comprises a urethane (meth) acrylate compound (A) obtained by reacting the components (a1) to (a3) with:
(A1) a polybutadiene glycol及beauty / or polyisoprene glycols (a2) alicyclic organic diisocyanate compound (a3) a hydroxyl group-containing (meth) compound represented by acrylic acid ester represented by the following general formula (I) and (B) ,
[Chemical formula 2]
Figure 2003119231
(In the general formula (I), X 1 and X 2 represent an acryloyloxy group or a methacryloyloxy group, X 3 represents a hydroxy group, an acryloyloxy group or a methacryloyloxy group, and R 1 , R 2 and R 3 represent carbon 1 to 4 alkyl groups are shown)
It is characterized by containing the other ethylenically unsaturated compound (C).
Here, the ethylenically unsaturated compound (C) is preferably a (meth) acrylate having a cyclic skeleton other than the compound (B). The optical disc of the present invention is characterized in that it has a cured product layer having a thickness of 20 to 200 μm obtained by curing the above-mentioned active energy ray curable composition for an optical disc.

本発明の(A)成分であるウレタン(メタ)アクリレート化合物は、組成物に低収縮性及び低吸水性を付与する成分である。
このようなウレタン(メタ)アクリレート化合物としては、下記(a1)〜(a3)の3成分から合成されたウレタン(メタ)アクリレートが挙げられる。
(a1)ポリブタジエングリコール類及び/又はポリイソプレングリコール類
(a2)脂環式有機ジイソシアネート化合物
(a3)ヒドロキシ基含有(メタ)アクリル酸エステル
(a1)成分は、本発明の組成物を重合硬化してなる硬化物層の低収縮性を維持し、特に低吸水性を向上させるための成分である。
(a1)成分としては、ブタジエンやイソプレンをそれぞれ重合して得られるホモポリマーから合成されるグリコールだけでなく、ブタジエン及びまたはイソプレンを主成分として、エチレン、プロピレン、1−ブテン、イソブチレン、1−ヘキセン、4−メチル−ペンテン、1−オクテン等のオレフィン類とのコポリマーから合成されるグリコール類も使用可能である。好ましくは、分子量30000以下のポリブタジエン及びまたはポリイソプレン等のホモポリマーから合成されるグリコールである。
これらは、1種を単独で、または2種以上を併用して用いることができる。
The urethane (meth) acrylate compound which is the component (A) of the present invention is a component that imparts low shrinkage and low water absorption to the composition.
As such a urethane (meth) acrylate compound, the urethane (meth) acrylate synthesize | combined from three components of following (a1)-(a3) is mentioned.
(A1) a polybutadiene glycol及beauty / or polyisoprene glycols (a2) alicyclic organic diisocyanate compound (a3) a hydroxyl group-containing (meth) acrylic acid ester (a1) component, polymerization curing of the composition of the present invention It is a component for maintaining the low shrinkage of the resulting cured material layer, and in particular improving the low water absorption.
As component (a1), not only glycols synthesized from homopolymers obtained by polymerizing butadiene and isoprene, but also butadiene and / or isoprene as main components, ethylene, propylene, 1-butene, isobutylene, 1-hexene Glycols synthesized from copolymers with olefins such as 4-methyl-pentene and 1-octene can also be used. Preferred are glycols synthesized from homopolymers such as polybutadiene and / or polyisoprene having a molecular weight of 30,000 or less.
These can be used singly or in combination of two or more.

表1中の略号は、以下の通りである。
注1:反り角が測定装置の測定可能範囲(±1度)を大きく越え、測定不可能
M315:東亞合成(株)製アクリレート(トリス(2−アクリロイルオキシエチル)イソシアヌレート94%、ビス(2−アクリロイルオキシエチル)ヒドロキシエチルトリイソシアヌレート6%の混合物)
M313:東亞合成(株)製アクリレート(トリス(2−アクリロイルオキシエチル)イソシアヌレート65%、ビス(2−アクリロイルオキシエチル)ヒドロキシエチルトリイソシアヌレート35%の混合物)
TE2000:ポリブタジエングリコール(数平均分子量:約2000)、トリレンジイソシアネート及び2−ヒドロキシエチルメタクリレートから合成されたウレタンメタクリレート(日本曹達(株)製)
THFA:テトラヒドロフルフリルアクリレート
IBXA:イソボルニルアクリレート
TCA:トリシクロデカニルアクリレート
TCDA:トリシクロデカンジメタノールジアクリレート
NPGDA:ネオペンチルグリコールジアクリレート
TMPTA:トリメチロールプロパントリアクリレート
BPAEA:ビスフェノールA型エポキシアクリレート
HCPK:1−ヒドロキシ−シクロヘキシルフェニルケトン
BNP:ベンゾフェノン
EPA:p−ジメチルアミノ安息香酸エチル
The abbreviations in Table 1 are as follows.
Note 1: The warpage angle greatly exceeds the measurable range (± 1 degree) of the measuring device and measurement is impossible
M315: Toagosei Co., Ltd. product acrylate (mixture of tris (2-acryloyloxyethyl) isocyanurate 94%, bis (2-acryloyloxyethyl) hydroxyethyl triisocyanurate 6%)
M313: Toagosei Co., Ltd. product acrylate (mixture of tris (2-acryloyloxyethyl) isocyanurate 65%, bis (2-acryloyloxyethyl) hydroxyethyl triisocyanurate 35%)
TE 2000: Urethane methacrylate synthesized from polybutadiene glycol (number average molecular weight: about 2000), tolylene diisocyanate and 2-hydroxyethyl methacrylate (manufactured by Nippon Soda Co., Ltd.)
THFA: Tetrahydrofurfuryl acrylate IBXA: Isobornyl acrylate TCA: Tricyclodecanyl acrylate TCDA: Tricyclodecane dimethanol diacrylate NPGDA: neopentyl glycol diacrylate TMPTA: trimethylolpropane triacrylate BPAEA: bisphenol A type epoxy acrylate HCPK : 1-hydroxy-cyclohexyl phenyl ketone BNP: benzophenone EPA: ethyl p-dimethylaminobenzoate

表1から明らかなように、実施例1〜4で得られた光ディスクにおいては、硬化収縮率、吸水率、反り角が小さく、硬度も十分で、光線透過率も高いものであった。 As apparent from Table 1 , in the optical disks obtained in Examples 1 to 4 , the curing shrinkage, the water absorption, the warpage angle were small, the hardness was also sufficient, and the light transmittance was also high.

Claims (2)

下記(a1)〜(a3)成分を反応させて得られるウレタン(メタ)アクリレート化合物(A)と、
(a1)ポリブタジエングリコール類及び/又はポリイソプレングリコール類
(a2)脂環式有機ジイソシアネート化合物
(a3)ヒドロキシ基含有(メタ)アクリル酸エステル
下記一般式(I)で示される化合物(B)と、
Figure 2003119231
(一般式(I)中、X1及びX2はアクリロイルオキシ基又はメタクリロイルオキシ基を示し、X3はヒドロキシ基、アクリロイルオキシ基又はメタクリロイルオキシ基を示し、R1、R2及びR3は炭素数1〜4のアルキル基を示す。)
その他のエチレン性不飽和化合物(C)とを含有することを特徴とする光ディスク用活性エネルギー線硬化性組成物。
A urethane (meth) acrylate compound (A) obtained by reacting the following components (a1) to (a3):
(A1) a polybutadiene glycol及beauty / or polyisoprene glycols (a2) alicyclic organic diisocyanate compound (a3) a hydroxyl group-containing (meth) compound represented by acrylic acid ester represented by the following general formula (I) and (B) ,
Figure 2003119231
(In the general formula (I), X 1 and X 2 represent an acryloyloxy group or a methacryloyloxy group, X 3 represents a hydroxy group, an acryloyloxy group or a methacryloyloxy group, and R 1 , R 2 and R 3 represent carbon 1 to 4 alkyl groups are shown)
An active energy ray-curable composition for an optical disc, comprising the other ethylenically unsaturated compound (C).
請求項1記載の光ディスク用活性エネルギー線硬化性組成物の硬化物層を有する光ディスク。  An optical disk having a cured product layer of the active energy ray curable composition for an optical disk according to claim 1.
JP2001311370A 2001-10-09 2001-10-09 Active energy-ray-curing composition for optical disk and optical disk Pending JP2003119231A (en)

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JP2003119231A5 true JP2003119231A5 (en) 2005-06-16

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TW200613483A (en) * 2004-08-09 2006-05-01 Dainippon Ink & Chemicals Optical disc
JP5022586B2 (en) * 2005-09-20 2012-09-12 三菱レイヨン株式会社 Amorphous polyolefin substrate coating composition and amorphous polyolefin film or sheet having cured film thereof
KR101029340B1 (en) 2006-03-31 2011-04-13 후지쿠라 가세이 가부시키가이샤 Hard Coating Composition For Metal Base
JP5057826B2 (en) * 2006-04-25 2012-10-24 三菱レイヨン株式会社 Active energy ray-curable coating composition and molded article having a cured coating of the composition
US7785713B2 (en) 2006-04-25 2010-08-31 Mitsubishi Rayon Co., Ltd. Active energy ray-curable coating composition and molded article having cured coating film of the composition
JP5057827B2 (en) * 2006-04-27 2012-10-24 三菱レイヨン株式会社 Active energy ray-curable coating composition and molded article having a cured coating of the composition
EP2020656B1 (en) 2006-05-24 2012-11-21 DIC Corporation Optical disk and ultraviolet-curable composition for optical disk
JP2008059662A (en) * 2006-08-30 2008-03-13 Dainippon Ink & Chem Inc Optical disk
US8728618B2 (en) 2007-06-26 2014-05-20 Fujikura Kasei Co., Ltd. Coating composition for metal thin film and photoluminescent coating film formed from same
WO2009025302A1 (en) * 2007-08-22 2009-02-26 Mitsubishi Kagaku Media Co., Ltd. Optical recording medium
JP2010260905A (en) * 2009-04-30 2010-11-18 Nippon Paint Co Ltd Photocurable composition
JP4988032B2 (en) * 2010-12-08 2012-08-01 株式会社東芝 Method for manufacturing magnetic recording medium
JP5017446B2 (en) * 2010-12-08 2012-09-05 株式会社東芝 Manufacturing method of semiconductor device
JP2014189758A (en) * 2013-03-28 2014-10-06 Nippon Shokubai Co Ltd Energy ray-curable resin composition using unsaturated carbonyl-modified conjugated diene-based polymer
JP2014231574A (en) * 2013-05-30 2014-12-11 Jsr株式会社 Urethane (meth)acrylate, curable composition and cured product
JP6292997B2 (en) * 2013-06-24 2018-03-14 出光興産株式会社 Urethane resin and method for producing the same
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JP6471493B2 (en) * 2014-12-25 2019-02-20 東洋インキScホールディングス株式会社 Active energy ray polymerizable resin composition and laminate
JP7209486B2 (en) * 2018-07-31 2023-01-20 株式会社Adeka COMPOSITION, CURED PRODUCT THEREOF, AND METHOD FOR PRODUCING CURED PRODUCT
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