JPH0883564A - 陰極線管部品用プレス成型油及びそれを用いたプレス成型品の処理方法 - Google Patents

陰極線管部品用プレス成型油及びそれを用いたプレス成型品の処理方法

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Publication number
JPH0883564A
JPH0883564A JP6215549A JP21554994A JPH0883564A JP H0883564 A JPH0883564 A JP H0883564A JP 6215549 A JP6215549 A JP 6215549A JP 21554994 A JP21554994 A JP 21554994A JP H0883564 A JPH0883564 A JP H0883564A
Authority
JP
Japan
Prior art keywords
press
ray tube
molding oil
cathode ray
molding
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.)
Granted
Application number
JP6215549A
Other languages
English (en)
Other versions
JP3645592B2 (ja
Inventor
Masao Hayashi
正夫 林
Takeshi Minami
剛 南
Kuniaki Matsunaga
国昭 松永
Tsuyoshi Fujii
堅 藤井
Takashi Hayashi
剛史 林
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.)
MITETSUKUSU KK
Panasonic Holdings Corp
Original Assignee
MITETSUKUSU KK
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 MITETSUKUSU KK, Matsushita Electronics Corp filed Critical MITETSUKUSU KK
Priority to JP21554994A priority Critical patent/JP3645592B2/ja
Priority to TW085102091A priority patent/TW350872B/zh
Priority to US08/608,447 priority patent/US5747432A/en
Priority to EP96103077A priority patent/EP0792929B1/en
Publication of JPH0883564A publication Critical patent/JPH0883564A/ja
Priority to US08/725,767 priority patent/US5727410A/en
Application granted granted Critical
Publication of JP3645592B2 publication Critical patent/JP3645592B2/ja
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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    • C10M169/00—Lubricating compositions characterised by containing as components a mixture of at least two types of ingredient selected from base-materials, thickeners or additives, covered by the preceding groups, each of these compounds being essential
    • C10M169/04—Mixtures of base-materials and additives
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D22/00—Shaping without cutting, by stamping, spinning, or deep-drawing
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Abstract

(57)【要約】 【目的】特定の化学構造のアルキルカーボネートを有効
成分として含有するプレス成型油をプレス成型に用いる
ことにより、成型性を落とすことなく、残存するプレス
成型油の除去処理を容易におこなうことができる。 【構成】シャドウマスク等をプレス成型する際、下記式
（化１）で示されるアルキルカーボネートを有効成分と
して含有してなるプレス成型油をプレス表面に塗布し、
金属材料をプレス成型した後、温水を使用して前記プレ
ス成型油を洗浄除去し、しかる後乾燥するか、または加
熱により熱分解することにより、約１０μｇ／ｃｍ2 以
下の油分残渣を得る。 【化１】

Description

【発明の詳細な説明】
【０００１】
【産業上の利用分野】本発明は、例えば陰極線管用シャ
ドウマスクなどに用いられるプレス成型油及びそれを用
いたプレス成型品の処理方法に関する。さらに詳しく
は、有機溶剤を使用すること無く除去できる陰極線管部
品用プレス成型油及びそれを用いたプレス成型品の処理
方法に関する。
【０００２】
【従来の技術】一般にプレス加工した金属製品は、その
表面にプレス油が付着する。従来、例えば陰極線管用シ
ャドウマスクなどのプレス成型をはじめとするプレス工
程では、０．１〜０．２５ｍｍの薄板平板を所定の設計
曲面を得るため深絞加工を行っている。この工程では、
成型時の金型と平板との負荷率をさげる目的で潤滑油を
付与している。ここで用いられるプレス油として鉱物油
が知られているが、一般の油は負荷率をさげるため油
分、Ｓ，Ｃｌ，Ｓｉ等の添加剤を含む。これらの成分は
残存すると、電子管を製造するうえではガス、エミッシ
ョン等に影響を与える。一般的に、清浄度の範囲は約１
０μｇ／ｃｍ2 以下の油分残渣であれば黒化処理は良好
な品質を得ることができ、ガス、エミッション等に影響
を与えないとされている。そのため従来は、トリクロロ
エタンなどの塩素系有機溶剤を用いてプレス油を除去す
ることが一般的に行われていた。しかしながら、トリク
ロロエタンなどの塩素系有機溶剤は、地球環境保護上、
使用することが好ましくない。そのため、高級アルコー
ル系を用いた水系洗浄剤による洗浄方法が提案されてい
る（特開平６−７３５７６号公報）。
【０００３】
【発明が解決しようとする課題】しかしながら、前記特
開平６−７３５７６号公報の提案は、特殊な水系洗浄剤
を用いるため、装置が大きくなり、プレス成型油の除去
処理費用が高くなるという問題があった。とくにテレビ
ジョンなどの陰極線管部品に用いられるシャドウマスク
などは、プレス成型油が残存すると陰極線などの影響を
受けて画像特性に重要な影響を与える。
【０００４】本発明は、前記従来の問題を解決するた
め、プレス成型油の除去処理を容易におこなうことがで
きる陰極線管部品用プレス成型油及びそれを用いたプレ
ス成型品の処理方法を提供することを目的とする。
【０００５】
【課題を解決するための手段】前記目的を達成するた
め、本発明の陰極線管部品用プレス成型油は、前記一般
式（化１）で示されるアルキルカーボネートを有効成分
として含有してなるという構成を備えたものである。
【０００６】前記構成においては、前記式（化１）中、
Ｒ1 及びＲ2 の炭素原子数が１２〜１６の範囲の混合物
であることが好ましい。次に本発明の第１番目のプレス
成型品の処理方法は、前記一般式（化１）で示されるア
ルキルカーボネートを有効成分として含有してなるプレ
ス成型油をプレス表面に塗布し、金属材料をプレス成型
した後、プレス成型された金属材料を温水を使用して前
記プレス成型油を洗浄除去し、しかる後乾燥するという
構成を備えたものである。
【０００７】前記構成においては、温水の温度が４０〜
８０℃であり、金属材料を温水に浸漬処理またはシャワ
ー処理することが好ましい。次に本発明の第２番目のプ
レス成型品の処理方法は、前記一般式（化１）で示され
るアルキルカーボネートを有効成分として含有してなる
プレス成型油をプレス表面に塗布し、金属材料をプレス
成型した後、プレス成型された金属材料を加熱して前記
プレス成型油を蒸発または熱分解して除去するという構
成を備えたものである。
【０００８】前記構成においては、加熱温度が１００〜
６００℃であり、ＣＯ、ＣＯ2 及び不活性ガスから選ば
れる少なくとも一つのガスを含む雰囲気条件であること
が好ましい。
【０００９】また前記構成においては、プレス成型品
が、黒化処理前の陰極線管用シャドウマスクであること
が好ましい。
【００１０】
【作用】前記本発明の陰極線管部品用プレス成型油の構
成によれば、前記一般式（化１）で示されるアルキルカ
ーボネートを有効成分として含有してなることにより、
プレス成型性を落とすことなく、残存するプレス成型油
の除去処理が容易におこなうことができる。この結果、
テレビジョンなどの陰極線管部品に用いられるシャドウ
マスクなどの成型に用いても、プレス成型油は残存せず
画像特性に影響を与えない。
【００１１】前記において、前記式（化１）中、Ｒ1 及
びＲ2 の炭素原子数が１２〜１６の範囲の混合物である
という好ましい構成によれば、さらにプレス成型性を落
とすことなく、残存するプレス成型油の除去処理が容易
におこなうことができる。
【００１２】次に本発明の第１番目のプレス成型品の処
理方法の構成によれば、前記一般式（化１）で示される
アルキルカーボネートを有効成分として含有してなるプ
レス成型油をプレス表面に塗布し、金属材料をプレス成
型した後、プレス成型された金属材料を温水を使用して
前記プレス成型油を洗浄除去し、しかる後乾燥すること
により、基準以下である約１０μｇ／ｃｍ2 以下の油分
残渣を得ることができる。
【００１３】前記において、温水の温度が４０〜８０℃
であり、金属材料を温水に浸漬処理またはシャワー処理
するという好ましい構成によれば、効率良く、かつ合理
的にプレス成型油を洗浄除去できる。
【００１４】次に本発明の第２番目のプレス成型品の処
理方法の構成によれば、前記一般式（化１）で示される
アルキルカーボネートを有効成分として含有してなるプ
レス成型油をプレス表面に塗布し、金属材料をプレス成
型した後、プレス成型された金属材料を加熱して前記プ
レス成型油を蒸発または熱分解して除去することによ
り、基準以下である約１０μｇ／ｃｍ2 以下の油分残渣
を得ることができる。
【００１５】前記において、加熱温度が１００〜６００
℃であり、ＣＯ、ＣＯ2 及び不活性ガスから選ばれる少
なくとも一つのガスを含む雰囲気条件であるという好ま
しい構成によれば、効率良く、かつ合理的にプレス成型
油を洗浄除去できる。
【００１６】また前記本発明の第１〜２番目のプレス成
型品の処理方法の構成において、プレス成型品が、黒化
処理前の陰極線管用シャドウマスクであると、成型油が
除去され、良好な黒化膜を得ることができる。
【００１７】
【実施例】以下実施例を用いて本発明をさらに具体的に
説明する。 （実施例１）プレス成型油として前記式（化１）中、Ｒ
1 及びＲ2 の炭素原子数が１２〜１６の範囲の混合物か
らなる長鎖アルキルカーボネートを有効成分とするオイ
ル（一例として、ミテックス社製(Mitecs Corporation)
の「ＬＩＡＬＣＡＲＢ ＳＲ−１０００／ＶＲ」、外
観：無色または淡黄色透明液体、粘度（４０℃）：１
７．０センチストークス、引火点：２４０℃）を用い
た。
【００１８】シャドウマスクプレス金型或いはシャドウ
マスク平板に対して、１枚あたり約１ｇの前記プレス成
型油を塗布してプレス成型した。塗布面としては、シャ
ドウマスクプレス金型表面に塗布するほうが効率的で好
ましかった。このようにすることで、かじり破れの生じ
ることのない所定の良好な成型曲面を得ることができ
た。その後、酸化を防止するためと良好な熱放射率を得
るための表面Ｆｅ3 Ｏ4膜形成処理（黒化処理）が必要
となる。しかしプレス成型油が付着された清浄度の悪い
表面状態では、Ｆｅ3 Ｏ4 が得られなかったり黒化処理
をする炉の中で燃焼させるため炉を傷つける恐れを生ず
る。そこで、シャドウマスクの表面全域に霧状の温水シ
ャワー処理（温度４０〜８０℃：水圧１００〜２００ｋ
Ｐａ）を付与した。温水シャワー処理は、シャドウマス
ク１枚あたり約３分間続けた。使用した温水量は約２０
リットルであった。ここで温水の温度は、４０℃〜８０
℃の範囲が最も経済的であった。その後、乾燥して水分
を除去した。
【００１９】この工程を通すことによって、良好なＦｅ
3 Ｏ4 膜形成処理（黒化処理）を行うことができた。ま
た炉を傷つける事なく処理が可能であった。 （実施例２）実施例１において、プレス成型油の除去工
程として、温水シャワー処理のかわりに温水槽を用いた
超音波洗浄処理を行った。すなわち、４０℃〜８０℃の
範囲の温水槽にシャドウマスクを浸漬し、３分間超音波
洗浄処理した。その後、乾燥して水分を除去した。
【００２０】この工程を通すことによって、良好なＦｅ
3 Ｏ4 膜形成処理（黒化処理）を行うことができた。ま
た炉を傷つける事なく処理が可能であった。 （実施例３）実施例１において、プレス成型油の除去工
程として、温水シャワー処理のかわりに、加熱温度が約
３５０℃、ＣＯ、ＣＯ2 及び不活性ガスから選ばれる少
なくとも一つのガスを含む雰囲気条件でで熱分解処理し
た。大気中の燃焼では金属酸化が発生するので雰囲気条
件はＣＯ，ＣＯ2 若しくは不活性ガスが好ましい。
【００２１】この工程を通すことによって、良好なＦｅ
3 Ｏ4 を得ることができ、かつ炉を傷つける事なく処理
が可能となった。
【００２２】
【発明の効果】以上説明したように、本発明は長鎖アル
キルカーボネートを有効成分とするプレス成型油を使用
することにより、良好な成型曲面を得、なおかつ油分処
理が容易で清浄度が高いというすぐれた効果を有するシ
ャドウマスクの黒化処理を提供することができるもので
ある。したがって、テレビジョンなどの陰極線管部品に
用いられるシャドウマスクなどの成型に用いても、プレ
ス成型油は残存せず画像特性に影響を与えない。
───────────────────────────────────────────────────── フロントページの続き (51)Int.Cl.6 識別記号 庁内整理番号 ＦＩ 技術表示箇所 Ｃ１０Ｎ 40:24 Ｚ (72)発明者 松永 国昭 大阪府高槻市幸町１番１号 松下電子工業 株式会社内 (72)発明者 藤井 堅 東京都千代田区霞が関三丁目２番５号 ミ テックス株式会社内 (72)発明者 林 剛史 東京都千代田区霞が関三丁目２番５号 三 井石油化学株式会社内

Claims (7)

    【特許請求の範囲】
  1. 【請求項１】 下記一般式（化１）で示されるアルキル
    カーボネートを有効成分として含有してなる陰極線管部
    品用プレス成型油。 【化１】
  2. 【請求項２】 前記式（化１）中、Ｒ1 及びＲ2 の炭素
    原子数が１２〜１６の範囲の混合物である請求項１に記
    載の陰極線管部品用プレス成型油。
  3. 【請求項３】 請求項１に記載のプレス成型油をプレス
    金型表面に塗布し、金属材料をプレス成型した後、プレ
    ス成型された金属材料を温水を使用して前記プレス成型
    油を洗浄除去し、しかる後乾燥する陰極線管部品用プレ
    ス成型品の処理方法。
  4. 【請求項４】 温水の温度が４０〜８０℃であり、金属
    材料を温水に浸漬処理またはシャワー処理する請求項３
    に記載の陰極線管部品用プレス成型品の処理方法。
  5. 【請求項５】 請求項１に記載のプレス成型油をプレス
    金型表面に塗布し、金属材料をプレス成型した後、プレ
    ス成型された金属材料を加熱して前記プレス成型油を蒸
    発または熱分解して除去する陰極線管部品用プレス成型
    品の処理方法。
  6. 【請求項６】 加熱温度が１００〜６００℃であり、Ｃ
    Ｏ、ＣＯ2 及び不活性ガスから選ばれる少なくとも一つ
    のガスを含む雰囲気条件である請求項５に記載の陰極線
    管部品用プレス成型品の処理方法。
  7. 【請求項７】 プレス成型品が、黒化処理前の陰極線管
    用シャドウマスクである請求項１〜６に記載のいずれか
    のプレス成型油及びそれを用いた陰極線部品用プレス成
    型品の処理方法。
JP21554994A 1994-09-09 1994-09-09 陰極線管部品用プレス成型油及びそれを用いたプレス成型品の処理方法 Expired - Fee Related JP3645592B2 (ja)

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Application Number Priority Date Filing Date Title
JP21554994A JP3645592B2 (ja) 1994-09-09 1994-09-09 陰極線管部品用プレス成型油及びそれを用いたプレス成型品の処理方法
TW085102091A TW350872B (en) 1994-09-09 1996-02-24 Press molding oil and the process using the same
US08/608,447 US5747432A (en) 1994-09-09 1996-02-28 Press molding oil and method of manufacturing press-molded products by using the same
EP96103077A EP0792929B1 (en) 1994-09-09 1996-02-29 Press-molding oil and method of manufacturing press-molded products by using the same
US08/725,767 US5727410A (en) 1994-09-09 1996-10-04 Press-molding oil and method of manufacturing press-molded products by using the same

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
JP21554994A JP3645592B2 (ja) 1994-09-09 1994-09-09 陰極線管部品用プレス成型油及びそれを用いたプレス成型品の処理方法
US08/608,447 US5747432A (en) 1994-09-09 1996-02-28 Press molding oil and method of manufacturing press-molded products by using the same
EP96103077A EP0792929B1 (en) 1994-09-09 1996-02-29 Press-molding oil and method of manufacturing press-molded products by using the same
US08/725,767 US5727410A (en) 1994-09-09 1996-10-04 Press-molding oil and method of manufacturing press-molded products by using the same

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JPH0883564A true JPH0883564A (ja) 1996-03-26
JP3645592B2 JP3645592B2 (ja) 2005-05-11

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WO2010143320A1 (ja) * 2009-06-12 2010-12-16 東洋ガラス株式会社 ガラス成形金型、その製造方法、及びガラス成形体の製造方法。

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DE10007625A1 (de) * 2000-02-18 2001-08-23 Henkel Kgaa Schmiermittel zur Umformung von Metallen
ITMI20100629A1 (it) * 2010-04-14 2011-10-15 Foundry Chem Composizione per processo di pressofusione

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EP0792929B1 (en) 1999-07-28
JP3645592B2 (ja) 2005-05-11
US5747432A (en) 1998-05-05
EP0792929A1 (en) 1997-09-03

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