JPH0561281B2 - - Google Patents

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Publication number
JPH0561281B2
JPH0561281B2 JP60051068A JP5106885A JPH0561281B2 JP H0561281 B2 JPH0561281 B2 JP H0561281B2 JP 60051068 A JP60051068 A JP 60051068A JP 5106885 A JP5106885 A JP 5106885A JP H0561281 B2 JPH0561281 B2 JP H0561281B2
Authority
JP
Japan
Prior art keywords
parts
flame
resin composition
photocurable resin
aluminum hydroxide
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.)
Expired - Lifetime
Application number
JP60051068A
Other languages
Japanese (ja)
Other versions
JPS61209202A (en
Inventor
Isao Kodama
Kenji Morikawa
Teruhisa Takaishi
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.)
Panasonic Electric Works Co Ltd
Original Assignee
Matsushita Electric Works 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 Matsushita Electric Works Ltd filed Critical Matsushita Electric Works Ltd
Priority to JP5106885A priority Critical patent/JPS61209202A/en
Publication of JPS61209202A publication Critical patent/JPS61209202A/en
Publication of JPH0561281B2 publication Critical patent/JPH0561281B2/ja
Granted legal-status Critical Current

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Description

【発明の詳細な説明】[Detailed description of the invention]

〔技術分野〕 本発明は低粘度で作業性の良い難燃性光硬化性
樹脂組成物に関する。 〔背景技術〕 従来より光重合性化合物に水酸化アルミニウム
を配合した難燃性光硬化性樹脂組成物については
知られているが、このものは高粘度となり、気密
封止用光硬化性材料、難燃性光硬化性コート材
料、難燃性光硬化性注型材料として用いた場合に
は作業性が悪いものであつた。 〔発明の目的〕 本発明は上記事情に鑑みて為されたものであ
り、その目的とするところは、低粘度で気密封止
用光硬化性材料、難燃性光硬化性コート材料、難
燃性光硬化性注型材料として好適に採用できる難
燃性光硬化性樹脂組成物を提供することにある。 〔発明の開示〕 本発明の難燃性光硬化性樹脂組成物は、光重合
性化合物と液状の光重合性臭素化合物と水酸化ア
ルミニウムと光重合開始剤とを主成分とするもの
であり、臭素化合物と水酸化アルミニウムとの併
用により、粘度を低くでき、上記目的を達成でき
たものである。 本発明における光重合性化合物とは、エポキシ
アクリレート、ポリブタジエンアクリレート、ウ
レタンアクリレート、ポリエステル樹脂、ポリエ
ステルアクリレート等の末端にアクリル基又はメ
タクリル基を有するアクリレート化合物又はメタ
クリレート化合物、アクリル酸、メタクリル酸等
の単官能性アクリル系モノマー、その他アクリル
アミド、スチレン等の単官能性モノマー、エチレ
ングリコールジアクリレート、ネオペンチルグリ
コールジアクリレート等の多官能性アクリル系モ
ノマー又はオリゴマーに、所望によりその他の不
飽和ポリエステル樹脂、アクリル樹脂等の光硬化
性樹脂を配合したものである。臭素化合物として
は一般に知られている液状で光重合性ものを使用
でき、例えばトリプロモフエノキシエチルメタク
リレートのようなブロム化フエニルエーテル等を
使用できる。光重合開始剤としてはベンゾイン化
合物、ベンゾフエノン化合物など通常知られてい
るものを使用でき、熱重合開始剤を併用してもよ
い。これら光重合性化合物と液状の光重合性臭素
化合物と光重合開始剤に水酸化アルミニウムを配
合して本発明の難燃性光硬化性樹脂組成物を得る
のであるが、配合割合は例えば光重合性化合物
100重量部、液状の光重合性臭素化合物100〜250
重量部、水酸化アルミニウム30〜150重量部、光
重合性開始剤0.1〜3重量部である。この難燃性
光硬化性樹脂組成物は気密封止性光硬化性材料、
難燃性紫外線光硬化性コート材料、難燃性紫外線
硬化性注型材料として好適に使用できる。 次に本発明の実施例を説明するが、本発明は以
下の実施例に制限されるものではない。尚、実施
例中、部は重量部を示す。 (実施例 1) ポリブタジエンジアクリレート(TE2000、日
本曹達(株)製)55部、フエニルアルキルアクリレー
ト(TD1530A、大日本インキ(株)製)45重量部、
2,4,6−トリブロモフエニルジエチレングリ
コールメタクリレート(N530、新中村化学(株)製)
150部、イルガーキユアー#651(光重合開始剤、
チバガイギー社製)7.5部を混合した後、水酸化
アルミニウム(ハイジライトH−32、昭和軽金属
(株)製)80部を添加混合して粘度200poise/25℃の
液状の光硬化性樹脂組成物を得た。 この光硬化樹脂性組成物を0.8mm厚み注型し、
高圧水銀ランプ(80W/cm、照射距離20cm)にて
30秒紫外線照射し、0.8mm厚のシート状硬化物を
得た。この硬化物に対してASTMに基づく難燃
性テストを行つた。結果を第1表に示す。 (実施例 2) ポリブタジエンジアクリレート(TE2000)100
部、2,4,6−トリブロモフエニルジエチレン
グリコールメタクリレート(N530)180部、イル
ガーキユアー#651(チバガイギー社製)5.6部を
混合した後、水酸化アルミニウム(ハイジライト
H−32)80部を添加混合して粘度120poise/25℃
の液状の光硬化性樹脂組成物を得た。 この光硬化樹脂性組成物から実施例と同様にし
て0.8mm厚のシート状硬化物を得た。この硬化物
に対してASTMに基づく難燃性テストを行つた。
結果を第1表に示す。 (実施例 3) エポキシアクリレート(UE8200、大日本イン
キ(株)製)100部、2,4,6−トリブロモフエニ
ルジエチレングリコールメタクリレート(N530)
180部、イルガーキユアー#651(チバガイギー社
製)5.6部、t−ブチルパーオキシベンゾエート
(パーブチルZ、日本油脂(製))2.8部を混合し
た後、水酸化アルミニウム(ハイジライトH−
32)100部を添加混合して粘度100poise/25℃の
液状の光硬化性樹脂組成物を得た。 この光硬化性樹脂性組成物を2mm厚に注型し、
高圧水銀ランプ(80W/cm、照射距離20cm)にて
30秒紫外線照射した後120℃で60分間加熱して2
mm厚のシート状硬化物を得た。この硬化物に対し
てASTMに基づく難燃性テストを行つた。結果
を第1表に示す。 (比較例 1) ポリブタジエンジアクリレート(TE2000)55
部、フエニルアルキルアクリレート(TD1530A)
45部、イルガーキユアー#651(チバガイギー社
製)2部を混合した後、水酸化アルミニウム(ハ
イジライトH−32)60部を添加混合して粘度
4000poise/25℃の液状の光硬化性樹脂組成物を
得た。 この光硬化性樹脂組成物から実施例1と同様に
して0.8mm厚のシート状硬化物を得、ASTMに基
づく難燃性テストを行つた。結果を第1表に示
す。 (比較例 2) ポリブタジエンジアクリレート(TE2000)100
部、フエニルジエチレングリコールメタクリレー
ト(AMP60G、新中村化学(株)製)180部、イルガ
ーキユアー#651(チバガイギー社製)5.6部、t
−ブチルパーオキベンゾエート(パーブチルZ、
日本油脂(製))2.8部を混合した後、水酸化アル
ミニウム(ハイジライトH−32)120部を添加混
合して粘度200poise/25℃の液状の光硬化性樹脂
組成物を得た。 この光硬化性樹脂組成物から実施例3と同様に
して2mm厚のシート状硬化物を得た。この硬化物
に対してASTMに基づく難燃性テストを行つた。
結果を第1表に示す。
[Technical Field] The present invention relates to a flame-retardant photocurable resin composition with low viscosity and good workability. [Background Art] Flame-retardant photocurable resin compositions in which aluminum hydroxide is blended with photopolymerizable compounds have been known, but this composition has a high viscosity and is difficult to use as a photocurable material for airtight sealing. When used as a flame-retardant photocurable coating material or a flame-retardant photocurable casting material, the workability was poor. [Object of the Invention] The present invention has been made in view of the above circumstances, and its purpose is to provide a low-viscosity photocurable material for airtight sealing, a flame-retardant photocurable coating material, and a flame-retardant photocurable coating material. The object of the present invention is to provide a flame-retardant photocurable resin composition that can be suitably used as a photocurable casting material. [Disclosure of the Invention] The flame-retardant photocurable resin composition of the present invention mainly contains a photopolymerizable compound, a liquid photopolymerizable bromine compound, aluminum hydroxide, and a photopolymerization initiator, By using a bromine compound and aluminum hydroxide in combination, the viscosity could be lowered and the above objective could be achieved. The photopolymerizable compound in the present invention refers to an acrylate compound or methacrylate compound having an acrylic group or a methacrylic group at the terminal such as epoxy acrylate, polybutadiene acrylate, urethane acrylate, polyester resin, polyester acrylate, etc., or a monofunctional compound such as acrylic acid or methacrylic acid. acrylic monomers, other monofunctional monomers such as acrylamide and styrene, polyfunctional acrylic monomers or oligomers such as ethylene glycol diacrylate and neopentyl glycol diacrylate, and optionally other unsaturated polyester resins, acrylic resins, etc. It is formulated with a photocurable resin. As the bromine compound, generally known liquid photopolymerizable compounds can be used, such as brominated phenyl ethers such as tripromophenoxyethyl methacrylate. As the photopolymerization initiator, commonly known ones such as benzoin compounds and benzophenone compounds can be used, and a thermal polymerization initiator may also be used in combination. The flame-retardant photocurable resin composition of the present invention is obtained by blending aluminum hydroxide with these photopolymerizable compounds, a liquid photopolymerizable bromine compound, and a photopolymerization initiator. sexual compound
100 parts by weight, liquid photopolymerizable bromine compound 100-250
parts by weight, 30 to 150 parts by weight of aluminum hydroxide, and 0.1 to 3 parts by weight of the photopolymerization initiator. This flame-retardant photocurable resin composition is a hermetically sealed photocurable material,
It can be suitably used as a flame-retardant ultraviolet-curable coating material and a flame-retardant ultraviolet-curable casting material. Next, examples of the present invention will be described, but the present invention is not limited to the following examples. In the examples, parts indicate parts by weight. (Example 1) 55 parts by weight of polybutadiene diacrylate (TE2000, manufactured by Nippon Soda Co., Ltd.), 45 parts by weight of phenyl alkyl acrylate (TD1530A, manufactured by Dainippon Ink Co., Ltd.),
2,4,6-Tribromophenyl diethylene glycol methacrylate (N530, manufactured by Shin Nakamura Chemical Co., Ltd.)
150 parts, Irgar Cure #651 (photopolymerization initiator,
After mixing 7.5 parts of aluminum hydroxide (Hygilite H-32, Showa Light Metal)
Co., Ltd.) was added and mixed to obtain a liquid photocurable resin composition with a viscosity of 200 poise/25°C. This photocurable resin composition was cast to a thickness of 0.8 mm,
Using a high-pressure mercury lamp (80W/cm, irradiation distance 20cm)
It was irradiated with ultraviolet rays for 30 seconds to obtain a cured sheet with a thickness of 0.8 mm. This cured product was subjected to a flame retardancy test based on ASTM. The results are shown in Table 1. (Example 2) Polybutadiene diacrylate (TE2000) 100
After mixing 180 parts of 2,4,6-tribromophenyl diethylene glycol methacrylate (N530) and 5.6 parts of Irgar Cure #651 (manufactured by Ciba Geigy), 80 parts of aluminum hydroxide (Hygilite H-32) was added and mixed. Viscosity 120poise/25℃
A liquid photocurable resin composition was obtained. A sheet-like cured product with a thickness of 0.8 mm was obtained from this photocurable resin composition in the same manner as in the example. This cured product was subjected to a flame retardancy test based on ASTM.
The results are shown in Table 1. (Example 3) 100 parts of epoxy acrylate (UE8200, manufactured by Dainippon Ink Co., Ltd.), 2,4,6-tribromophenyl diethylene glycol methacrylate (N530)
After mixing 180 parts of Irgar Cure #651 (manufactured by Ciba Geigy), 5.6 parts of t-butyl peroxybenzoate (Perbutyl Z, manufactured by NOF Corporation), aluminum hydroxide (Hygilite H-
32) 100 parts were added and mixed to obtain a liquid photocurable resin composition with a viscosity of 100 poise/25°C. This photocurable resin composition was cast to a thickness of 2 mm,
Using a high-pressure mercury lamp (80W/cm, irradiation distance 20cm)
After 30 seconds of UV irradiation, heat at 120℃ for 60 minutes.
A sheet-like cured product with a thickness of mm was obtained. This cured product was subjected to a flame retardancy test based on ASTM. The results are shown in Table 1. (Comparative example 1) Polybutadiene diacrylate (TE2000) 55
Part, phenyl alkyl acrylate (TD1530A)
After mixing 45 parts of Irgar Cure #651 (manufactured by Ciba Geigy), 60 parts of aluminum hydroxide (Hygilite H-32) was added and mixed to adjust the viscosity.
A liquid photocurable resin composition at 4000 poise/25°C was obtained. A cured sheet having a thickness of 0.8 mm was obtained from this photocurable resin composition in the same manner as in Example 1, and a flame retardancy test based on ASTM was conducted. The results are shown in Table 1. (Comparative example 2) Polybutadiene diacrylate (TE2000) 100
180 parts of phenyl diethylene glycol methacrylate (AMP60G, manufactured by Shin-Nakamura Chemical Co., Ltd.), 5.6 parts of Irgar Cure #651 (manufactured by Ciba Geigy), t
-Butyl peroxybenzoate (perbutyl Z,
After mixing 2.8 parts of Nippon Oil & Fats Co., Ltd., 120 parts of aluminum hydroxide (Hygilite H-32) was added and mixed to obtain a liquid photocurable resin composition with a viscosity of 200 poise/25°C. A sheet-like cured product having a thickness of 2 mm was obtained from this photocurable resin composition in the same manner as in Example 3. This cured product was subjected to a flame retardancy test based on ASTM.
The results are shown in Table 1.

〔発明の効果〕〔Effect of the invention〕

本発明にあつては、光重合性化合物と液状の光
重合性臭素化合物と水酸化アルミニウムと光重合
性開始剤とを主成分とするので、臭素化合物と水
酸化アルミニウムとにより難燃性が確保され、し
かも液状の臭素化合物を含有しているので、水酸
化アルミニウムのみの場合と比較して粘度を低く
でき、作業性に優れるものであり、気密封止用光
硬化性材料、難燃性光硬化性コート材料、難燃性
光硬化性注型材料として好適に採用できる。
In the present invention, since the main components are a photopolymerizable compound, a liquid photopolymerizable bromine compound, aluminum hydroxide, and a photopolymerization initiator, flame retardance is ensured by the bromine compound and aluminum hydroxide. Moreover, since it contains a liquid bromine compound, the viscosity can be lowered compared to aluminum hydroxide alone, and it has excellent workability. It can be suitably employed as a curable coating material and a flame-retardant photocurable casting material.

Claims (1)

【特許請求の範囲】[Claims] 1 光重合性化合物と液状の光重合性臭素化合物
と水酸化アルミニウムと光重合開始剤とを主成分
とする難燃性光硬化性樹脂組成物。
1. A flame-retardant photocurable resin composition containing as main components a photopolymerizable compound, a liquid photopolymerizable bromine compound, aluminum hydroxide, and a photopolymerization initiator.
JP5106885A 1985-03-14 1985-03-14 Flame-retardant photosetting resin composition Granted JPS61209202A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP5106885A JPS61209202A (en) 1985-03-14 1985-03-14 Flame-retardant photosetting resin composition

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP5106885A JPS61209202A (en) 1985-03-14 1985-03-14 Flame-retardant photosetting resin composition

Publications (2)

Publication Number Publication Date
JPS61209202A JPS61209202A (en) 1986-09-17
JPH0561281B2 true JPH0561281B2 (en) 1993-09-06

Family

ID=12876482

Family Applications (1)

Application Number Title Priority Date Filing Date
JP5106885A Granted JPS61209202A (en) 1985-03-14 1985-03-14 Flame-retardant photosetting resin composition

Country Status (1)

Country Link
JP (1) JPS61209202A (en)

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5430282A (en) * 1977-08-11 1979-03-06 Japan Atom Energy Res Inst Flame retardant resin composition
JPS5991111A (en) * 1982-11-16 1984-05-25 Matsushita Electric Works Ltd Methacrylate polymer article and its production
JPS59126415A (en) * 1983-01-10 1984-07-21 Japan Exlan Co Ltd Production of flame-retardant acrylic polymer
JPS6181410A (en) * 1984-09-28 1986-04-25 Japan Synthetic Rubber Co Ltd Flame-retardant polymer composition

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5430282A (en) * 1977-08-11 1979-03-06 Japan Atom Energy Res Inst Flame retardant resin composition
JPS5991111A (en) * 1982-11-16 1984-05-25 Matsushita Electric Works Ltd Methacrylate polymer article and its production
JPS59126415A (en) * 1983-01-10 1984-07-21 Japan Exlan Co Ltd Production of flame-retardant acrylic polymer
JPS6181410A (en) * 1984-09-28 1986-04-25 Japan Synthetic Rubber Co Ltd Flame-retardant polymer composition

Also Published As

Publication number Publication date
JPS61209202A (en) 1986-09-17

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