JPS63117041A - Prepreg - Google Patents
PrepregInfo
- Publication number
- JPS63117041A JPS63117041A JP26134786A JP26134786A JPS63117041A JP S63117041 A JPS63117041 A JP S63117041A JP 26134786 A JP26134786 A JP 26134786A JP 26134786 A JP26134786 A JP 26134786A JP S63117041 A JPS63117041 A JP S63117041A
- Authority
- JP
- Japan
- Prior art keywords
- glass cloth
- prepreg
- opening
- less
- curing agent
- 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
Links
- 239000004744 fabric Substances 0.000 claims abstract description 17
- 239000011521 glass Substances 0.000 claims abstract description 15
- 229920005989 resin Polymers 0.000 claims abstract description 8
- 239000011347 resin Substances 0.000 claims abstract description 8
- 239000003795 chemical substances by application Substances 0.000 claims abstract description 6
- 230000035699 permeability Effects 0.000 claims abstract description 5
- 239000003960 organic solvent Substances 0.000 claims abstract description 3
- 229920001187 thermosetting polymer Polymers 0.000 claims abstract 3
- 239000003822 epoxy resin Substances 0.000 claims description 3
- 238000005470 impregnation Methods 0.000 claims description 3
- 229920000647 polyepoxide Polymers 0.000 claims description 3
- 239000002904 solvent Substances 0.000 claims 1
- 238000001035 drying Methods 0.000 abstract description 3
- ZWEHNKRNPOVVGH-UHFFFAOYSA-N 2-Butanone Chemical compound CCC(C)=O ZWEHNKRNPOVVGH-UHFFFAOYSA-N 0.000 description 6
- 239000002966 varnish Substances 0.000 description 4
- 230000000052 comparative effect Effects 0.000 description 3
- 238000005553 drilling Methods 0.000 description 3
- 239000012530 fluid Substances 0.000 description 3
- 239000000835 fiber Substances 0.000 description 2
- XNWFRZJHXBZDAG-UHFFFAOYSA-N 2-METHOXYETHANOL Chemical compound COCCO XNWFRZJHXBZDAG-UHFFFAOYSA-N 0.000 description 1
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- 239000004593 Epoxy Substances 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 239000011889 copper foil Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000012777 electrically insulating material Substances 0.000 description 1
- 239000011261 inert gas Substances 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Landscapes
- Reinforced Plastic Materials (AREA)
Abstract
Description
【発明の詳細な説明】
（産業上の利用分野）
本発明に、電気絶縁材料である多層印刷配線板の多層化
接着に利用さｎろプリプレグに関する。DETAILED DESCRIPTION OF THE INVENTION (Industrial Application Field) The present invention relates to a prepreg used for multilayer adhesion of multilayer printed wiring boards, which is an electrically insulating material.
（従来の技術と問題点）
多層印刷配線板に、電気電子の分野において広く利用さ
ｎているが、内層回路と外層回路を導通するためドリル
穿孔るする際に発生するスミア（内層鋼の印刷面に樹脂
が付着する現象）によって印刷配線板の品質の信籾性を
低下するという問題がある。(Prior art and problems) Multilayer printed wiring boards are widely used in the electrical and electronic fields, but smear (printed on inner layer steel) occurs when drilling holes to connect inner layer circuits and outer layer circuits. There is a problem in that reliability of the quality of the printed wiring board is lowered due to the phenomenon in which resin adheres to the surface of the printed wiring board.
（問題点を解決するための手段）
本発明者は、以上の問題点に鑑みて検討を行い、プリプ
レグに用いろガラスクロスのストランドを開繊してドリ
ル穿孔時の切削抵抗ｅＪ−さくすることが有効であるこ
と全開らかにし本発明を得た。(Means for Solving the Problems) The present inventor has conducted studies in view of the above problems, and has developed a method of opening strands of filter glass cloth used in prepreg to reduce the cutting resistance eJ- during drilling. The present invention has been fully clarified to be effective.
本発明におけろガラスクロスの開繊に、予め空気、不活
性ガスまたに液体（水または有機溶剤）などの流体を吹
き付は物理的に開繊させたストランドを用いてガラスク
ロスに織り上げろ。In the present invention, to open the glass cloth, a fluid such as air, an inert gas, or a liquid (water or organic solvent) is sprayed in advance, and the strands that have been physically opened are woven into glass cloth. .
または、ガラスクロスに同様の処理を行って開繊させて
も良い。Alternatively, a similar treatment may be applied to glass cloth to open the fibers.
開繊の度合に、吹き付ける流体の種類及び量によって任
意に１１４整司能である。ドリル加工性に効果のある８
１ＪＲ条件に、通気度で６ｅｃ／ａ１１式以下望ましく
は／ ｅｃ ／ ａｎＩｓｅｃ以下である。また、樹脂
ワニスの含浸時間（２５℃２００センチポイズのエポキ
シ樹脂ワニスにガラスクロスを浸漬してクロスにワニス
が完全に含浸する時間）が５００秒以下望ましくは１２
０秒以下である。The degree of fiber opening can be adjusted arbitrarily depending on the type and amount of the fluid to be sprayed. 8 things that are effective for drilling workability
Under the 1JR condition, the air permeability is 6ec/a11 or less, preferably /ec/an1sec or less. In addition, the impregnation time of the resin varnish (the time required for the glass cloth to be completely impregnated with the varnish by immersing the glass cloth in the 200 centipoise epoxy resin varnish at 25°C) is preferably 500 seconds or less, preferably 12
It is 0 seconds or less.
前述のように開繊したガラスクロスにエポキシ樹ＪＩ＋
ｔ、硬化剤及び硬化促進剤を含浸し乾燥することによっ
てドリル加工性に優ｎた多層化接着用プリプレグを製造
し得る。Epoxy tree JI+ is applied to the opened glass cloth as described above.
By impregnating the resin with a curing agent and a curing accelerator and drying it, a multilayer adhesive prepreg with excellent drillability can be produced.
実施例
７６２８タイプのガラスクロス（日東紡製ＷＥＡ−１８
Ｋ）に前記流体を吹き付けてストランドｔ−開繊させ通
気度α８ｃｃ／ｃｍ’式含浸時間６０秒とした。こｎに
エポキシ樹脂（テバガイギ社製アラルダイ）８０１１）
１００部に硬化剤としてツクアンジアミド４部、硬化促
進剤として２エテ／Ｌ−４メチルイミダゾ−Ａ−（四国
化底製）Ｃｌ３部をメチルエチルケトン１０部メチルセ
ロソルブ３０ｍの混合液に溶解したワニスを含浸して樹
脂分４２−４５％のプリプレグとし１．５０℃３分間乾
燥した。Example 7 628 type glass cloth (Nittobo WEA-18
K) was sprayed with the above fluid to open the strands to give an air permeability α of 8 cc/cm' type impregnation time of 60 seconds. Epoxy resin (Araldai 8011 manufactured by Teva Geigi)
A varnish prepared by dissolving 100 parts of methyl ethyl ketone, 4 parts of Tsukuandiamide as a hardening agent, and 3 parts of 2Ete/L-4 methylimidazo-A-(manufactured by Shikoku Kasoko) Cl as a hardening accelerator in a mixture of 10 parts of methyl ethyl ketone and 30 m of methyl cellosolve. It was impregnated to form a prepreg with a resin content of 42-45% and dried at 1.50°C for 3 minutes.
得たプリプレグ（１１？性を第１表に示す）上載に回路
加工した板厚０．８ｆｆｉｆｆ＋の内層板に２枚づつ配
し銅箔と多層化接着して、板厚ｊ、 ６ ｍｍの４層板
を作製した。これをドリル（径（Ｌ９φ東芝タンガロイ
Ｉｆ！ＲＨＯ９０）で穴明けしスミアの発生状況を測定
した結果を第１表に示す。The obtained prepreg (11? properties are shown in Table 1) was placed on top of the inner layer board of board thickness 0.8ffiff+, which was circuit-processed, and was multilayered and bonded with copper foil to form a board with a board thickness of J, 6 mm. A laminate was prepared. This was drilled with a drill (diameter: L9φ Toshiba Tungaloy If! RHO90) and the occurrence of smear was measured. The results are shown in Table 1.
比較例
７６２８タイプのガラスクロス（日東紡製ＷＥＡ−１８
に、通気Ｋ １４ ａｅ ／ａＩＩＩｓｅｃ、含浸時間
３６００秒）ｔ−使用する他に実施例と同様にして１．
６ｆｆｌｆｌ＋板厚の４層板を製造した。Comparative Example 7628 type glass cloth (Nittobo WEA-18
1. In the same manner as in Example 1.
A four-layer board with a thickness of 6ffflfl+ was manufactured.
（発明の効果）
本発明の実施例及び比較例における結果を第１表に示す
。使用樹脂の特性は冥施力之比べて同等の数値であるが
、スミ１発生の程度な実施例が少ないことを示している
。すなわち、ドリルで明けた孔のスミア発生２０％以下
の好成績が占める割付は、本発明実施例が従来方式の比
較例に比べて大きく勝ｎている。(Effects of the Invention) Table 1 shows the results of Examples and Comparative Examples of the present invention. Although the characteristics of the resin used are comparable to those of Meishiriki, this shows that there are few examples in which smudges occur. In other words, the embodiment of the present invention greatly outperforms the comparative example of the conventional method in terms of the assignment of good results with smear occurrence of 20% or less in drilled holes.
第１表Table 1
Claims (1)
、硬化剤及び硬化促進剤の有機溶剤溶液を含浸させ乾燥
することを特徴とするドリル加工性に勝れたプリプレグ
。 ２、ストランドを開繊したガラスクロスの通気度が６ｃ
ｃ／ｃｍ＾２ｓｅｃ以下であることを特徴とする特許請
求の範囲第１項記載のプリプレグ。 ３、２５℃、２００センチポイズのエポキシ樹脂、硬化
剤、及び硬化促進剤の溶剤溶液にストランドを通気度が
６ｃｃ／ｃｍ＾２ｓｅｃ以下であるように開繊したガラ
スクロスを浸漬するとき、前記の溶液が完全に含浸する
に至る時間が３００秒以下であることを特徴とする特許
請求の範囲第１項記載のプリプレグ。[Claims] 1. A prepreg with excellent drill workability, characterized in that a glass cloth with opened strands is impregnated with an organic solvent solution of a thermosetting resin, a curing agent, and a curing accelerator, and then dried. 2. The air permeability of the glass cloth with opened strands is 6c.
2. The prepreg according to claim 1, wherein the prepreg is c/cm^2 sec or less. 3. When glass cloth with strands opened so that the air permeability is 6 cc/cm^2 sec or less is immersed in a solvent solution of epoxy resin, curing agent, and curing accelerator at 25° C. and 200 centipoise, the above solution 2. The prepreg according to claim 1, wherein the time required for complete impregnation is 300 seconds or less.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP26134786A JPS63117041A (en) | 1986-10-31 | 1986-10-31 | Prepreg |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP26134786A JPS63117041A (en) | 1986-10-31 | 1986-10-31 | Prepreg |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS63117041A true JPS63117041A (en) | 1988-05-21 |
Family
ID=17360572
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP26134786A Pending JPS63117041A (en) | 1986-10-31 | 1986-10-31 | Prepreg |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS63117041A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH03128239A (en) * | 1989-10-16 | 1991-05-31 | Sumitomo Bakelite Co Ltd | Manufacture of laminate |
-
1986
- 1986-10-31 JP JP26134786A patent/JPS63117041A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH03128239A (en) * | 1989-10-16 | 1991-05-31 | Sumitomo Bakelite Co Ltd | Manufacture of laminate |
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