JPS62290001A - Formation of white diffusion film for bulb - Google Patents

Formation of white diffusion film for bulb

Info

Publication number
JPS62290001A
JPS62290001A JP61133401A JP13340186A JPS62290001A JP S62290001 A JPS62290001 A JP S62290001A JP 61133401 A JP61133401 A JP 61133401A JP 13340186 A JP13340186 A JP 13340186A JP S62290001 A JPS62290001 A JP S62290001A
Authority
JP
Japan
Prior art keywords
diffusion film
white
white diffusion
suspension
bulb
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
JP61133401A
Other languages
Japanese (ja)
Inventor
柴田 治男
幹彦 徳野
大高 良憲
高橋 睦夫
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 Holdings Corp
Original Assignee
Matsushita Electronics Corp
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 Electronics Corp filed Critical Matsushita Electronics Corp
Priority to JP61133401A priority Critical patent/JPS62290001A/en
Publication of JPS62290001A publication Critical patent/JPS62290001A/en
Pending legal-status Critical Current

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  • Formation Of Various Coating Films On Cathode Ray Tubes And Lamps (AREA)

Abstract

(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。
(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.

Description

【発明の詳細な説明】 3、発明の詳細な説明 産業上の利用分野 本発明は管球用白色拡散膜の形成方法、特に電球口金を
有し、かつ安定器、点灯管と共に非直線状蛍光管を内蔵
した電球形蛍光ランプの外管ガラスグローブ内面への白
色拡散膜の形成方法に関する。
Detailed Description of the Invention 3. Detailed Description of the Invention Industrial Field of Application The present invention relates to a method for forming a white diffusion film for a light bulb, particularly a method for forming a white diffusion film for a light bulb, which has a light bulb base, and has a non-linear shape together with a ballast and a lighting tube. This invention relates to a method for forming a white diffusion film on the inner surface of an outer glass globe of a compact fluorescent lamp with a built-in fluorescent tube.

従来の技術 従来から、蛍光ランプは白熱電球に比べてランプ効率が
高いことから、工場、商店はもとより家庭においても大
量に使用されてきた。しかるに蛍光ランプはその形状が
直線状や環状のものが大部分であるために電球に比べて
形状が大きいこと、また安定器と点灯管を必要とするた
めに器具全体が大きくなり、取り扱いも繁雑になるなど
大きな問題点を有している。
BACKGROUND OF THE INVENTION Fluorescent lamps have traditionally been used in large quantities not only in factories and shops but also in homes because of their higher lamp efficiency than incandescent light bulbs. However, most fluorescent lamps are linear or ring-shaped, so they are larger than light bulbs, and they require a ballast and lighting tube, making the entire device larger and difficult to handle. It has major problems such as being complicated.

近年、このような問題点を解決するためと省電力化を図
ることを目的として、蛍光管をU形やダ  □プルU形
に成形して点灯管と安定器と共に一体化してガラスグロ
ーブに内蔵させた電球形蛍光ランプが多数提案されてい
る。この場合、ガラスグローブ内面には蛍光ランプから
の光が均一に拡散されるように白色顔料層が塗布されて
いる。この白色顔料の塗布方法としては白色顔料を粘結
剤、例えば硝化綿を含む有機溶剤中に分散させたけん濁
液を用いる方法や、白色顔料を水性高分子樹脂から成る
粘結剤を含む水けん濁液を用いる方法が知られている。
In recent years, in order to solve these problems and save power, fluorescent tubes have been molded into a U-shape or double U-shape and integrated with a lighting tube and ballast to form a glass globe. Many built-in compact fluorescent lamps have been proposed. In this case, a white pigment layer is coated on the inner surface of the glass globe so that the light from the fluorescent lamp is uniformly diffused. The white pigment can be applied by using a suspension in which the white pigment is dispersed in an organic solvent containing a binder such as nitrified cotton, or by using a suspension in which the white pigment is dispersed in an organic solvent containing a binder made of a water-based polymer resin. A method using a suspension is known.

これらの形成方法のうち、白色顔料を硝化綿を含む有機
溶剤に分散させたけん濁液を用いる前者の方法は、形成
された拡散膜が蛍光管から放射される紫外線に長時間照
射されると黄色に着色し、外観が損なわれると共にラン
プ光束も大幅に低下するという問題のあることが見い出
された。さらには有機溶剤を用いるために人体への悪影
響や作業場の安全性からも大いに問題がある。
Among these formation methods, the former method uses a suspension of white pigment dispersed in an organic solvent containing nitrified cotton, and when the formed diffusion film is irradiated with ultraviolet rays emitted from a fluorescent tube for a long time, it turns yellow. It has been found that there is a problem in that the lamp is colored, impairing its appearance and significantly reducing the luminous flux of the lamp. Furthermore, since organic solvents are used, there are serious problems in terms of adverse effects on the human body and safety in the workplace.

一方、後者の方法として、溶媒に水を用い、粘結剤に水
性高分子樹脂のシリカアクリル複合粒子エマルジョンを
用いたけん濁液による白色拡散膜が提案されている。こ
の方法は溶媒が水のために人体への悪影響もなく、また
作業場の安全性も高い上に、乾燥して得られる被膜は接
着性耐候性に特にすぐれているという特長を有している
。すなわち、乾燥して得られる被膜は耐候性にすぐれて
いるので、蛍光管から放射される紫外線に長時間照射さ
れても全く変色しないことが確認できた。
On the other hand, as the latter method, a white diffusion film using a suspension using water as a solvent and a silica-acrylic composite particle emulsion of an aqueous polymer resin as a binder has been proposed. This method has the advantage that it has no adverse effects on the human body because the solvent is water, and is highly safe in the workplace, and the film obtained by drying has particularly excellent adhesiveness and weather resistance. In other words, it was confirmed that the film obtained by drying has excellent weather resistance and does not discolor at all even when exposed to ultraviolet rays emitted from fluorescent tubes for a long time.

発明が解決しようとする問題点 しかしながら、高温高湿時における使用条件を考慮して
拡散膜表面に水が付着した状態でランプの点滅を(り返
したところ、水の付着した部分の拡散膜がはく離すると
いう欠点のあることが見い出された。
Problems to be Solved by the Invention However, considering the usage conditions at high temperature and high humidity, when the lamp was blinked with water attached to the surface of the diffusion membrane (repeatedly, it was found that the part of the diffusion membrane where water had adhered was It has been found that there is a drawback of peeling.

問題点を解決するための手段 本発明は、白色顔料にシリカアクリル複合粒子エマルジ
ョン、非イオン系界面活性剤およびエポキシ基を有機質
と反応する官能基として有するシランカプリング剤を混
合したけん濁液をガラスグローブ内面に塗布し、乾燥す
ることによりガラスグローブ内面に白色拡散膜を形成す
るものである。
Means for Solving the Problems The present invention provides a suspension solution in which a white pigment is mixed with a silica-acrylic composite particle emulsion, a nonionic surfactant, and a silane coupling agent having an epoxy group as a functional group that reacts with an organic substance. By applying it to the inner surface of the globe and drying it, a white diffusion film is formed on the inner surface of the glass globe.

作用 エポキシ基を樹脂等の有機質と反応する官能基として有
するシランカプリング剤の−OR基(ガラス等の無機質
と結合する官能基、例えばメトキシ基、エトキシ基)が
加水分解によりガラス表面とオキサン結合(M −0−
3i )  (Mはガラス等の無機物質)を作る一方、
該シランカプリング剤の中の樹脂等の有機質と反応する
官能基(エポキシ基)がシリカアクリル複合粒子エマル
ジョン中の有機質(アルカリ樹脂)と反応することによ
り、該シランカプリング剤はガラス表面とシリカアクリ
ル複合粒子エマルジョンとの間で橋かけを行い、白色拡
散膜を強固にガラス表面に被着させる。
The -OR group (functional group that bonds with inorganic substances such as glass, e.g. methoxy group, ethoxy group) of the silane coupling agent which has an epoxy group as a functional group that reacts with an organic substance such as a resin forms an oxane bond ( M -0-
3i) While making (M is an inorganic substance such as glass),
The functional group (epoxy group) that reacts with an organic material such as a resin in the silane coupling agent reacts with the organic material (alkaline resin) in the silica-acrylic composite particle emulsion, so that the silane coupling agent reacts with the glass surface and the silica-acrylic composite. Cross-linking is performed with the particle emulsion to firmly adhere the white diffusion film to the glass surface.

実施例 実施例1 ・りん酸カルシウム          1000g・
シリカアクリル複合粒子エマルジョン1500g(40
%濃度) ・非イオン系界面活性剤       10m e(1
0%濃度水溶液) ・3−グリシドキシプロビルトリメトキシシランg (チッソ株式会社製商品名サイラエース5510)上記
材料を撹拌機にて十分に撹拌したのち、300メツシユ
のふるいを通してけん濁液を調合する。次にこのけん濁
液を用いて、内径が95mmの球形のガラスグローブ内
面に1.1g 塗布、乾燥した。乾燥は70℃、風量5
00IIle/秒の温風をガラスグローブ内に送入して
行った。拡散膜が形成されたガラスグローブ内に13ワ
ツトのダブルU形蛍光管を安定器と点灯管と共に組み込
み、耐水性を確認するため同時に5ccの水を封入して
電球形蛍光ランプを作製した。この電球形蛍光ランプを
2.5時間点灯、30分間消灯の点滅サイクルで点灯試
験を行った結果、膜のはく離は全く生じなかった。
Examples Example 1 Calcium phosphate 1000g
Silica acrylic composite particle emulsion 1500g (40
% concentration) ・Nonionic surfactant 10m e(1
0% concentration aqueous solution) ・3-glycidoxyprobyltrimethoxysilane g (trade name Sila Ace 5510, manufactured by Chisso Corporation) After thoroughly stirring the above materials with a stirrer, pass through a 300 mesh sieve to prepare a suspension. do. Next, 1.1 g of this suspension was applied to the inner surface of a spherical glass globe having an inner diameter of 95 mm and dried. Drying at 70℃, air volume 5
The test was carried out by blowing warm air at a rate of 0.00 II le/sec into the glass globe. A 13 watt double U-shaped fluorescent lamp was assembled together with a ballast and a lighting tube into a glass globe on which a diffusion film was formed, and 5 cc of water was sealed at the same time to confirm water resistance to produce a compact fluorescent lamp. When this compact fluorescent lamp was subjected to a lighting test with a blinking cycle of being on for 2.5 hours and off for 30 minutes, no peeling of the film occurred at all.

これに対し、前記シランカプリング剤を混入させないけ
ん濁液を用いて塗布、乾燥して形成した白色拡散膜を有
するガラスグローブを用いて作製した電球形蛍光ランプ
は、前記と同一条件の点灯試験の結果、100〜150
時間点灯後、水の付着している部分の白色拡散膜がガラ
ス表面から完全にはく離していることが認められた。
On the other hand, a compact fluorescent lamp manufactured using a glass globe with a white diffusion film formed by coating and drying a suspension containing no silane coupling agent was tested under the same lighting conditions as above. Result, 100-150
After lighting for a certain period of time, it was observed that the white diffusion film in the area where water had adhered had completely peeled off from the glass surface.

実施例2 ・けい酸ジルコン           200g・け
い酸アルミニウム         800g・シリカ
アクリル複合粒子エマルジョン1500g(40%濃度
) ・非イオン系界面活性剤       10me(10
%水溶液) ・3−グリシドキシプロビルメチルジメトキシシラン 
              3g(チッソ株式会社製
商品名 サイラエース5520)上記材料を実施例1と
同様の方法にてけん濁液とし、管径75mmの筒形ガラ
スグローブ内面に1.0g塗布、乾燥して白色拡散膜を
形成したのち、該グローブ内に13ワツトのダブルU形
蛍光管を安定器、点灯管と共に組み込み、耐水性を確認
するために同時に5ccの水を封入して電球形蛍光ラン
プを作製した。実施例1と同一条件で点灯試験を行った
ところ、拡散膜のはく離は全く生じなかった。
Example 2 - Zircon silicate 200g - Aluminum silicate 800g - Silica-acrylic composite particle emulsion 1500g (40% concentration) - Nonionic surfactant 10me (10
% aqueous solution) ・3-Glycidoxypropylmethyldimethoxysilane
3 g (trade name: Sila Ace 5520, manufactured by Chisso Corporation) The above material was made into a suspension in the same manner as in Example 1, and 1.0 g was applied to the inner surface of a cylindrical glass globe with a tube diameter of 75 mm, and dried to form a white diffusion film. After forming the globe, a 13-watt double U-shaped fluorescent tube was assembled together with a ballast and a lighting tube, and 5 cc of water was simultaneously sealed to confirm water resistance, thereby producing a compact fluorescent lamp. When a lighting test was conducted under the same conditions as in Example 1, no peeling of the diffusion film occurred.

これに対して、前記シランカプリング剤を混入しないけ
ん濁液にて形成した白色拡散膜を有する、同一形状のガ
ラスグローブを用いて前記と同様にして作製した電球形
蛍光ランプは、前記と同じ点灯試験にて100〜150
時間点灯後、水の付着している部分の膜がガラス表面か
ら完全にはく離していることが認められた。
On the other hand, a compact fluorescent lamp manufactured in the same manner as above using a glass globe of the same shape and having a white diffusion film formed from a suspension containing no silane coupling agent was lit in the same manner as above. 100-150 in the exam
After the lamp was turned on for a certain period of time, it was observed that the film on the part where water had adhered had completely peeled off from the glass surface.

発明の詳細 な説明したように、本発明はガラスグローブ内面に形成
する白色拡散膜に関して、特に付着力が強く、水が付着
した状態で点滅を行っても全く膜はく離が生じない新規
な管球用白色拡散膜の形成方法を提供することができる
ものであり、その実用上の効果はきわめて大きいもので
ある。
As described in detail, the present invention provides a novel bulb that has particularly strong adhesion with respect to the white diffusion film formed on the inner surface of the glass globe, and that the film does not peel off at all even when flashing with water attached. It is possible to provide a method for forming a white diffusion film for use, and its practical effects are extremely large.

Claims (1)

【特許請求の範囲】[Claims] 白色顔料にシリカアクリル複合粒子エマルジョン、非イ
オン性界面活性剤およびエポキシ基を有機質と反応する
官能基として有するシランカプリング剤を混合させたけ
ん濁液をガラスグローブ内面に塗布し、乾燥することを
特徴とする管球用白色拡散膜の形成方法。
It is characterized by applying a suspension of a white pigment, a silica-acrylic composite particle emulsion, a nonionic surfactant, and a silane coupling agent having an epoxy group as a functional group that reacts with an organic substance to the inner surface of a glass glove and drying it. A method for forming a white diffusion film for tubes.
JP61133401A 1986-06-09 1986-06-09 Formation of white diffusion film for bulb Pending JPS62290001A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP61133401A JPS62290001A (en) 1986-06-09 1986-06-09 Formation of white diffusion film for bulb

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP61133401A JPS62290001A (en) 1986-06-09 1986-06-09 Formation of white diffusion film for bulb

Publications (1)

Publication Number Publication Date
JPS62290001A true JPS62290001A (en) 1987-12-16

Family

ID=15103884

Family Applications (1)

Application Number Title Priority Date Filing Date
JP61133401A Pending JPS62290001A (en) 1986-06-09 1986-06-09 Formation of white diffusion film for bulb

Country Status (1)

Country Link
JP (1) JPS62290001A (en)

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