JPS5874324A - Heat treatment of polyester film - Google Patents
Heat treatment of polyester filmInfo
- Publication number
- JPS5874324A JPS5874324A JP17310081A JP17310081A JPS5874324A JP S5874324 A JPS5874324 A JP S5874324A JP 17310081 A JP17310081 A JP 17310081A JP 17310081 A JP17310081 A JP 17310081A JP S5874324 A JPS5874324 A JP S5874324A
- Authority
- JP
- Japan
- Prior art keywords
- film
- heat treatment
- heat
- log
- polyester film
- 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
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C35/00—Heating, cooling or curing, e.g. crosslinking or vulcanising; Apparatus therefor
- B29C35/02—Heating or curing, e.g. crosslinking or vulcanizing during moulding, e.g. in a mould
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29D—PRODUCING PARTICULAR ARTICLES FROM PLASTICS OR FROM SUBSTANCES IN A PLASTIC STATE
- B29D7/00—Producing flat articles, e.g. films or sheets
- B29D7/01—Films or sheets
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29K—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS OR TO MATERIALS FOR MOULDS, REINFORCEMENTS, FILLERS OR PREFORMED PARTS, e.g. INSERTS
- B29K2067/00—Use of polyesters or derivatives thereof, as moulding material
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K1/00—Printed circuits
- H05K1/02—Details
- H05K1/03—Use of materials for the substrate
- H05K1/0313—Organic insulating material
- H05K1/032—Organic insulating material consisting of one material
- H05K1/0326—Organic insulating material consisting of one material containing O
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K3/00—Apparatus or processes for manufacturing printed circuits
- H05K3/0011—Working of insulating substrates or insulating layers
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Health & Medical Sciences (AREA)
- Oral & Maxillofacial Surgery (AREA)
- Thermal Sciences (AREA)
- Shaping By String And By Release Of Stress In Plastics And The Like (AREA)
- Processing And Handling Of Plastics And Other Materials For Molding In General (AREA)
Abstract
Description
【発明の詳細な説明】
本発明は、ポリエステルフィルムの熱処理方法に関する
ものである。DETAILED DESCRIPTION OF THE INVENTION The present invention relates to a method for heat treating polyester films.
ポリエチレンテレフタレートを主体とするポリエステル
フィルムは、その優れた機械的、電気的用途に広く使用
されている。中でも、電子機器の進歩に伴い、７レキシ
プルプリント回路（以下。Polyester films based on polyethylene terephthalate are widely used for their superior mechanical and electrical applications. Among them, with the advancement of electronic equipment, 7 lexiple printed circuits (hereinafter referred to as
ＦＰＯという）用途等への展開は著しいものがあしかし
ながら９通常のモ軸延伸ポリエステルフィルムでは、製
膜技術上の制約から十分なリラックス熱処理が不可能な
ため、ｐｐｃ用途等、特に高温での寸法安定性要求の厳
しい用途では、熱寸法安定性すなわち熱収縮率は未だ不
十分である。However, due to film-forming technology constraints, sufficient relaxing heat treatment is not possible with normal moaxially oriented polyester film, so it is difficult to achieve dimensions particularly at high temperatures, such as in PPC applications. For applications with strict stability requirements, the thermal dimensional stability, that is, the thermal shrinkage rate, is still insufficient.
熱収縮率を十分小さくするには、実質的に無張力下で必
要な温度に熱処理すればよいことは、当業者の常識であ
るが、その際、フィルムのクルミ。It is common knowledge among those skilled in the art that in order to reduce the thermal shrinkage rate sufficiently, it is sufficient to perform heat treatment at the required temperature under substantially no tension.
シワ等平面性の悪化が起こり易いこと、これを解消する
ために張力を加えると低熱収縮化が不十分となることも
また。当業者が周知のことである。It is also easy to cause wrinkles and other deterioration in flatness, and if tension is applied to eliminate this problem, low heat shrinkage becomes insufficient. This is well known to those skilled in the art.
要とする用途においては、小面積カットシートとして熱
オーブン中で熱処理するなどの方法をとらざるを得なか
った。For important applications, it has been necessary to use methods such as cutting small-area sheets and heat-treating them in a hot oven.
本発明者らは、平面性のよい、低熱収縮性フィルムを連
続的に製造する方法について検討する過程でＦＰＯ用等
の製造工程において必要とされる温度（おける寸法安定
性を満足させる次めには。In the process of studying a method for continuously producing a film with good flatness and low heat shrinkage, the present inventors found that teeth.
実質的に無緊張で１８０℃に３０分間加熱した時の熱収
縮率が、タテ方向で０．５ ％以下、ヨコ方向で０．３
％以下である必要があることを知り、この特性を満たし
つつ平面性の゛良好なポリエステルフィルムを得る方法
について鋭意検討した結果１本発明に到達したものであ
る。Thermal shrinkage rate when heated to 180℃ for 30 minutes with virtually no tension is 0.5% or less in the vertical direction and 0.3% in the horizontal direction.
% or less, and as a result of intensive study on a method for obtaining a polyester film with good flatness while satisfying this property, the present invention was arrived at.
本発明の目的は、ｊＰｏ用途等に適する熱収縮率が、タ
テ方向０．５％以下、ヨコ方向０．３％以下のポリエス
テルフィルムを連続的に得るだめの熱処理方法を提供す
るにある。□ “すなわち９本発明の方法
ホ゛、二軸延伸ポ°゛リエスヶヤ、イ ヤニヤケや。−
ヤｍｊ’（”、、＋＝ ウ。−２１、ゆ理するに際し、
該熱処理が熱処理温度Ｔ、〜Ｔ、。An object of the present invention is to provide a heat treatment method for continuously obtaining a polyester film having a heat shrinkage rate of 0.5% or less in the vertical direction and 0.3% or less in the horizontal direction, which is suitable for jPo applications and the like. □ “In other words, 9. The method of the present invention, biaxial stretching polyester film, irradiation film, etc.”
Yamj'('',, += U.-21, When Yuri,
The heat treatment is performed at a heat treatment temperature T, ~T,.
熱処理時間ｔ、〜ｔ２．張力Ｐ 〜０．０２５ （ｋｇ
／ｍｍ” ）の各範囲内でなされる二軸延伸ポリエステ
ルフィルムの熱処理方法。Heat treatment time t, ~t2. Tension P ~0.025 (kg
A method for heat treating a biaxially oriented polyester film within each range of 1/mm”).
ただし。however.
Ｔ、 ＝ ２１ ｏ （℃）、 Ｔ、 ＝ ２４ｏ
（℃）ｌｏｇｔ、！ １．６２３ｘｌＯＡ＋ｔＱ９７
（秒）ｌｏｇ ｔ、 ＝ １．６２３ｘｌＯＡ＋０．９
８６（秒）ｌｏｇ Ｐ ＝ −１，３０ｘ １０
Ａ−０，８１８（ｋｇ／ｍｍ”うＡ：フィルムの厚さく
μｍ）
を特徴とするものである。T, = 21o (℃), T, = 24o
(℃)logt,! 1.623xlOA+tQ97
(sec) log t, = 1.623xlOA+0.9
86 (seconds) log P = -1,30x 10
It is characterized by A-0,818 (kg/mm" A: film thickness μm).
本発明におけるポリエステルフィルムとは、９５モルチ
以上がポリエチレンテレフタレートからなる二軸延伸フ
ィルムで、そのポリエチレンテレフタレートハウエチレ
ングリコール、プロピレングリコール、ジエチレングリ
コール、ポリアルキレングリコール、ペンタエリス°リ
ドチル、ポリオキジアルキレンゲ″リコール等のジオー
ル成分、テレフタル酸、イソ、″フタル酸、フタル酸、
２．６−ナフタレンジカルポレ、酸、アジピン酸、セバ
シン酸等のジカルボン酸、ｐ−オキシエトキシ安息香酸
等のオキシカルボン酸等を共重合あるいは、これらのジ
オール成分、ジカルボン酸成分、オキしカルボン酸成分
等から成るポリエステルを添加、配合したものであって
もよく、また、無機顔料、有機Ｉ・抗酸化剤・紫外線吸
収剤等を添加・配叶たものであ２１てもよい。さらに９
本発明に適用するフィルムは、複合したものであっても
よい。The polyester film in the present invention is a biaxially stretched film in which 95 moles or more of polyethylene terephthalate is composed of polyethylene terephthalate, ethylene glycol, propylene glycol, diethylene glycol, polyalkylene glycol, pentaerythridotyl, polyoxyalkylene glycol, etc. Diol component, terephthalic acid, iso, ``phthalic acid, phthalic acid,
2. Copolymerization of 6-naphthalenedicarpole, acid, dicarboxylic acid such as adipic acid, sebacic acid, oxycarboxylic acid such as p-oxyethoxybenzoic acid, etc., or these diol components, dicarboxylic acid components, oxycarboxylic acids It may be one in which a polyester consisting of the following components is added or blended, or it may be one in which an inorganic pigment, an organic I, an antioxidant, an ultraviolet absorber, etc. are added or blended. 9 more
The film applied to the present invention may be a composite film.
方向）の熱収縮率が１チ以上４チ未満程度のものが好ま
しい。It is preferable that the thermal shrinkage rate in the direction (direction) is about 1 inch or more and less than 4 inches.
フィルム張力を如何に調整しても平面性良好なフィルム
が得られない。なお、熱処理温度は上記のように２１０
〜２４０ ’Ｃ！でなければならないが。No matter how the film tension is adjusted, a film with good flatness cannot be obtained. Note that the heat treatment temperature was 210°C as described above.
~240'C! Although it has to be.
その範囲を２２０ ℃〜２３５℃とすることがより好ま
しい。More preferably, the range is 220°C to 235°C.
また、フィルム張力が０．０２５（ｋｇ／ｍｍっ以下テ
は。Also, if the film tension is less than 0.025 (kg/mm).
フィルムの平面性が不良と′なりａｍえる゛ と所望の
低熱収縮フィルムが得られない。If the flatness of the film is poor, the desired low heat shrinkage film cannot be obtained.
以上述べたように本発明は、二軸延伸フィルムを特定の
熱処理温度、処理′時間、処理張力にて熱処理する方法
としたので、熱収縮率が低く、かつ平面性の良好なフィ
ルムが得られるという優れた効果を奏するものである。As described above, the present invention employs a method in which a biaxially stretched film is heat-treated at a specific heat treatment temperature, treatment time, and treatment tension, so that a film with low heat shrinkage and good flatness can be obtained. This has an excellent effect.
なお９本発明のフィルムは、ＦＰＯ支持フィルム、ＦＰ
Ｏスペーサー、ＦＰＯカバーフィルム。9 The film of the present invention includes FPO support film, FP
O spacer, FPO cover film.
フラットパッケージ、フラットキーラベル、制御基板ス
ペーサー、コネクター等に使用するのが好ましい。Preferably used for flat packages, flat key labels, control board spacers, connectors, etc.
つぎに９本発明の実施例について説明する。Next, nine embodiments of the present invention will be described.
実施例
固有粘度り、 ６２ 、軟化点２６１℃のポリエチレン
テレフタレートを常法によって乾燥、溶融押出し、タテ
延伸、ヨコ延伸して、各種属みのフィルムを得た。次い
でこのフィルムを、夫々熱処理温度、熱処理時間、熱、
処理時フィルム張力を変えて熱処理し、１８０℃で３０
分加熱したときの熱収縮率および平面性をチェックした
結果を第１表に示す（表中、 ｓａｌ、５，８，９，１
１．１５．１６．１７．１Ｂ。Examples Polyethylene terephthalate having an intrinsic viscosity of 62 and a softening point of 261° C. was dried, melt-extruded, longitudinally stretched, and laterally stretched in a conventional manner to obtain films of various types. Next, this film was subjected to heat treatment temperature, heat treatment time, heat,
Heat treatment was performed by changing the film tension during processing, and the film was heated at 180℃ for 30 minutes.
Table 1 shows the results of checking the thermal shrinkage rate and flatness when heated for 30 minutes (in the table, sal, 5, 8, 9, 1
1.15.16.17.1B.
２２．２３．２７．３０ は夫々比較例である）０な
お、第１表におけるタテとは、フィルムの長さ方向を、
ヨコとは、フィルムの幅方向を各々意味する。22, 23, 27, and 30 are comparative examples respectively) 0 In Table 1, vertical refers to the length direction of the film,
Horizontal means the width direction of the film.
また、平面性の欄の記号は次の区分によ不。In addition, the symbol in the flatness column does not depend on the following classification.
○：平面性が良好であるもの
Δ：フイルムが白化し、透明性に低下の認められるもの
Ｘ：フィルムの広い範囲または局部的にクルミの認めら
れるもの
第 １ 表
特許出願人 東し株式会社
手 続 捕 正 書
１、事件の表示
昭和５６年特許願第１７！１１ ［１０号２、発−明の
名称
３、補正をする者
事件との関係 特許出願人
住 所 東京都中央区日本橋室町２丁目２番地４、補
正命令の日付 自発
５、補正により増加する発明の数 なし６・ 補正
の対象 願書の「発明の名称」の欄および明細書の「
発明の詳細な説明」の欄
２補正の内容 、ど柘５；〕〉、（１１明
細書 第５頁８行目
「の熱収縮率が」を「の１８０℃で３０分間加熱した際
の熱収縮率が」と補正する。○: Good flatness Δ: Film has whitening and reduced transparency X: Film has walnuts in a wide area or locally Continuing Correction 1, Indication of the case 1982 Patent Application No. 17!11 [No. 10 2, Name of the invention 3, Relationship with the person making the amendment case Patent applicant address 2, Nihonbashi Muromachi, Chuo-ku, Tokyo Chome 2-4, Date of amendment order Voluntary 5, Number of inventions increased by amendment None 6. Subject of amendment: ``Title of invention'' column of application and ``Name of invention'' of specification.
Contents of amendment in Column 2 of ``Detailed Description of the Invention'' The shrinkage rate is corrected.
（２） 同 第５頁１０行〜１３行目「本発明の熱処
理においては・・・・・・・・・・・・超える場合は」
を「本発明の熱処理においては、熱処理温度が２１０℃
未満では如何に時間を調整しても所望の低熱状フィルム
は得られず、また、２１０℃〜２４０℃の温度において
も ｔ＋ Ｃ秒）未満では所望の低熱状フィルムは得ら
れない。(2) Page 5, lines 10 to 13: “In the heat treatment of the present invention, if the heat treatment exceeds...”
"In the heat treatment of the present invention, the heat treatment temperature is 210 ° C.
If the temperature is less than t+C seconds, the desired low-heat film cannot be obtained no matter how the time is adjusted, and even at a temperature of 210°C to 240°C, the desired low-heat film cannot be obtained.
一方、熱処理温度が２４０℃を超えると、如何に時間、
張力を調整しても平面性良好なフィルムが得られず、ま
た２１０℃〜２４０℃の温度においても１．（秒）を超
える場合は」と補正する。On the other hand, if the heat treatment temperature exceeds 240℃,
Even if the tension was adjusted, a film with good flatness could not be obtained, and even at a temperature of 210°C to 240°C, 1. If it exceeds (seconds), please correct it as follows.
（３） 願書を別紙の通り補正する。(3) Amend the application as shown in the attached sheet.
Claims (1)
と引取ロール間で熱処理するに際し、該熱処理が、熱処
廊温度Ｔ１〜Ｔ２．熱処理時間ｔ１〜ｔ、。 張力Ｐ〜α０２５ （ｋｅｇ／ｍｍ” ）の各範囲内で
なされることを特徴とする二軸延伸ポリエステルフィル
ムの熱処理方法。 ただし。 Ｔ Ｉ ＝２１０Ａ ℃） ’ Ｔ”± ２４ｏ（’ｃ
）ｌｏｇｔ、 ＝ １．６２！１ｘ１０ Ａ＋１．０
９７ （秒）Ａ：フィルムの厚さくμｌ１１）(1) When heat treating a biaxially stretched polyester film between a supply roll and a take-up roll, the heat treatment is performed at a heat treatment room temperature of T1 to T2. Heat treatment time t1-t. A method for heat treatment of a biaxially oriented polyester film, characterized in that the heat treatment is carried out within each range of tension P to α025 (keg/mm"). However, T I = 210A °C) 'T" ± 24o ('c
) logt, = 1.62!1x10 A+1.0
97 (seconds) A: Film thickness μl11)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP17310081A JPS5874324A (en) | 1981-10-30 | 1981-10-30 | Heat treatment of polyester film |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP17310081A JPS5874324A (en) | 1981-10-30 | 1981-10-30 | Heat treatment of polyester film |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS5874324A true JPS5874324A (en) | 1983-05-04 |
| JPS634499B2 JPS634499B2 (en) | 1988-01-29 |
Family
ID=15954174
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP17310081A Granted JPS5874324A (en) | 1981-10-30 | 1981-10-30 | Heat treatment of polyester film |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS5874324A (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS61160224A (en) * | 1985-01-07 | 1986-07-19 | Diafoil Co Ltd | Low shrinkage polyester film and manufacture thereof |
| JPS61263726A (en) * | 1985-03-26 | 1986-11-21 | イリノイ トウ−ル ワ−クス インコ−ポレイテイド | Method of treating flexible substrate |
| JPS648025A (en) * | 1987-03-24 | 1989-01-12 | Toray Industries | Seamless belt |
| JPH026126A (en) * | 1988-06-25 | 1990-01-10 | Nitto Denko Corp | Transparent conductive laminate |
| WO2007086540A1 (en) * | 2006-01-27 | 2007-08-02 | Fujifilm Corporation | Optical film and method for producing the same |
| JP2014123755A (en) * | 2014-02-03 | 2014-07-03 | Fujimori Kogyo Co Ltd | Protective film for fpc, resin conductor foil laminate with protective film for fpc, and method of manufacturing flexible printed wiring board using it |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5468880A (en) * | 1977-11-11 | 1979-06-02 | Daiafoil | Method of making low oligomer polyester film |
-
1981
- 1981-10-30 JP JP17310081A patent/JPS5874324A/en active Granted
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5468880A (en) * | 1977-11-11 | 1979-06-02 | Daiafoil | Method of making low oligomer polyester film |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS61160224A (en) * | 1985-01-07 | 1986-07-19 | Diafoil Co Ltd | Low shrinkage polyester film and manufacture thereof |
| JPH0415729B2 (en) * | 1985-01-07 | 1992-03-18 | Daiafoil | |
| JPS61263726A (en) * | 1985-03-26 | 1986-11-21 | イリノイ トウ−ル ワ−クス インコ−ポレイテイド | Method of treating flexible substrate |
| JPS648025A (en) * | 1987-03-24 | 1989-01-12 | Toray Industries | Seamless belt |
| JPH026126A (en) * | 1988-06-25 | 1990-01-10 | Nitto Denko Corp | Transparent conductive laminate |
| WO2007086540A1 (en) * | 2006-01-27 | 2007-08-02 | Fujifilm Corporation | Optical film and method for producing the same |
| JP2007197611A (en) * | 2006-01-27 | 2007-08-09 | Fujifilm Corp | Optical film and method for manufacturing the same |
| JP2014123755A (en) * | 2014-02-03 | 2014-07-03 | Fujimori Kogyo Co Ltd | Protective film for fpc, resin conductor foil laminate with protective film for fpc, and method of manufacturing flexible printed wiring board using it |
Also Published As
| Publication number | Publication date |
|---|---|
| JPS634499B2 (en) | 1988-01-29 |
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