JPS62259811A - Manufacture of prepreg - Google Patents
Manufacture of prepregInfo
- Publication number
- JPS62259811A JPS62259811A JP8832986A JP8832986A JPS62259811A JP S62259811 A JPS62259811 A JP S62259811A JP 8832986 A JP8832986 A JP 8832986A JP 8832986 A JP8832986 A JP 8832986A JP S62259811 A JPS62259811 A JP S62259811A
- Authority
- JP
- Japan
- Prior art keywords
- base material
- prepreg
- opening
- rollers
- glass cloth
- 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
- 238000004519 manufacturing process Methods 0.000 title claims description 15
- 239000000463 material Substances 0.000 claims abstract description 35
- 238000000034 method Methods 0.000 claims abstract description 14
- 229920005989 resin Polymers 0.000 claims description 19
- 239000011347 resin Substances 0.000 claims description 19
- 239000000835 fiber Substances 0.000 claims description 17
- 239000004744 fabric Substances 0.000 abstract description 24
- 239000011521 glass Substances 0.000 abstract description 23
- 239000002966 varnish Substances 0.000 abstract description 6
- 239000007822 coupling agent Substances 0.000 description 5
- 230000000694 effects Effects 0.000 description 4
- 239000002904 solvent Substances 0.000 description 4
- 239000003795 chemical substances by application Substances 0.000 description 3
- 239000003822 epoxy resin Substances 0.000 description 3
- 238000000465 moulding Methods 0.000 description 3
- 229920000647 polyepoxide Polymers 0.000 description 3
- 238000003892 spreading Methods 0.000 description 3
- 238000009941 weaving Methods 0.000 description 3
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 2
- 230000000052 comparative effect Effects 0.000 description 2
- 239000011889 copper foil Substances 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000001035 drying Methods 0.000 description 2
- 239000003365 glass fiber Substances 0.000 description 2
- 238000005470 impregnation Methods 0.000 description 2
- 239000003921 oil Substances 0.000 description 2
- 238000005476 soldering Methods 0.000 description 2
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- 239000004641 Diallyl-phthalate Substances 0.000 description 1
- 229920002472 Starch Polymers 0.000 description 1
- 239000010425 asbestos Substances 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- QUDWYFHPNIMBFC-UHFFFAOYSA-N bis(prop-2-enyl) benzene-1,2-dicarboxylate Chemical compound C=CCOC(=O)C1=CC=CC=C1C(=O)OCC=C QUDWYFHPNIMBFC-UHFFFAOYSA-N 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- 238000005187 foaming Methods 0.000 description 1
- 239000011888 foil Substances 0.000 description 1
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 description 1
- 229910052737 gold Inorganic materials 0.000 description 1
- 239000010931 gold Substances 0.000 description 1
- 230000017525 heat dissipation Effects 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 230000001771 impaired effect Effects 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 239000011159 matrix material Substances 0.000 description 1
- 229920001568 phenolic resin Polymers 0.000 description 1
- 239000005011 phenolic resin Substances 0.000 description 1
- 229920001721 polyimide Polymers 0.000 description 1
- 239000009719 polyimide resin Substances 0.000 description 1
- 229910052895 riebeckite Inorganic materials 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
- 235000019698 starch Nutrition 0.000 description 1
- 239000008107 starch Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 239000000758 substrate Substances 0.000 description 1
- 239000012209 synthetic fiber Substances 0.000 description 1
- 229920002994 synthetic fiber Polymers 0.000 description 1
- 229920006305 unsaturated polyester Polymers 0.000 description 1
- 229920001567 vinyl ester resin Polymers 0.000 description 1
Landscapes
- Reinforced Plastic Materials (AREA)
- Laminated Bodies (AREA)
Abstract
Description
【発明の詳細な説明】
（産業上の利用分野）
本発明は各Ｂ 電気機器などに用いられる絶縁用積層板
あるいは印刷回路用積層板などの製造において使用され
るプリプレグの製造方法に関する。DETAILED DESCRIPTION OF THE INVENTION (Field of Industrial Application) The present invention relates to a method for producing prepregs used in the production of insulating laminates or printed circuit laminates used in electrical equipment, etc.
（発明の背…）
印刷回路用積層板は、一般には紙やガラス布などの基材
に各種の樹脂を溶剤に溶かしたワニスを含浸し、しかる
後、溶剤を乾燥してプリプレグを作り、これを所定の寸
法形状に切断し、所定枚数重ね合せて片面あるいは両面
に銅箔などの金層箔を重ね合ヒ、次いで熱プレスで加熱
加工する方法で製造されている。(Background of the invention...) Laminated boards for printed circuits are generally made by impregnating a base material such as paper or glass cloth with varnish made by dissolving various resins in a solvent, and then drying the solvent to create a prepreg. It is manufactured by cutting the material into a predetermined size and shape, stacking a predetermined number of sheets, overlaying a gold layer foil such as copper foil on one or both sides, and then heat-processing using a hot press.
この種の積層板ではその内部に気泡が混入していると、
電気部品として使用されるに際して積層板の放熱特性を
損ねたり、回路板を装造するハンダ付けなどの加熱工程
で気泡部分が発泡の核となり正常なハンダ付けができな
いなどのトラブルの原因となる。If air bubbles are mixed inside this type of laminate,
When used as electrical components, the heat dissipation properties of the laminate may be impaired, and during the heating process, such as when soldering circuit boards, the air bubbles may become the core of foaming, causing problems such as failure to perform proper soldering.
以上の点から積層板中に気泡か生じないように、プリプ
レグ中に混在する気泡を、積層板の成形過程で高圧を負
荷して気泡を追い出す方法が採られているが、この方法
ではＶｔＲ板成形時の高い圧力のため、得られる積層板
の寸法の安定性が悪くなったり、反りや捩れが発生する
危惧がある。From the above points, in order to prevent air bubbles from forming in the laminate, a method has been adopted in which the air bubbles mixed in the prepreg are forced out by applying high pressure during the laminate forming process. Due to the high pressure during molding, there is a risk that the resulting laminate may have poor dimensional stability, or may warp or twist.
これらの問題を解決し、プリプレグ中の気泡の混在を防
ぐ方法として、減圧処理を施した樹脂液を供給して含浸
する方法（特公昭６０−１１６９＞や、あるいは基材へ
の樹脂の含浸工程で基材に圧力を加える（特開昭６Ｏ−
９０７１９）などの方法が提案されているが、前者の方
法では減圧装置を要すること、揮発性の高い樹脂には適
用しにくいこと、後者の方法では含浸した基材加圧用ベ
ルトプレスで加圧するためこれらの駆動装置などを要し
、装置が複雑となり、設備費が嵩むなどの問題がある。As a method to solve these problems and prevent air bubbles from being mixed in the prepreg, there is a method of supplying and impregnating a resin liquid that has been subjected to reduced pressure treatment (Japanese Patent Publication No. 60-1169), or a method of impregnating the base material with resin. Apply pressure to the base material with
90719) have been proposed, but the former method requires a pressure reducing device and is difficult to apply to highly volatile resins, and the latter method uses a belt press to press the impregnated base material. These driving devices are required, making the device complicated and causing problems such as increased equipment costs.
そこで、本発明者らはこれらの問題が解決できる気泡混
入の少ないプリプレグの製法を提供することを目的とし
て鋭意研究し、本発明の完成に至った。Therefore, the present inventors conducted extensive research with the aim of providing a method for manufacturing a prepreg with less air bubbles that can solve these problems, and have completed the present invention.
（問題点を解決するための手段）
上記の目的を達成するために本発明の構成は、原糸を織
成した基材に樹脂を含浸させてプリプレグを製造する際
に、該基材の長手方向に対して斜交する軸線を有し、対
をなす平行な開繊用ローラに該基材を経由させて走行方
向を転換しつつ該基材の原糸をｌ；ｆｌ １ｍ Ｌ、し
かる後、該基材に樹脂を含浸することを特徴としている
。(Means for Solving the Problems) In order to achieve the above object, the configuration of the present invention is such that when manufacturing a prepreg by impregnating a base material woven with yarn with a resin, the base material is woven in the longitudinal direction of the base material. The raw yarn of the base material is passed through a pair of parallel opening rollers having axes obliquely intersecting with each other, while changing the traveling direction, and then passing through the base material to l; fl 1 m L. It is characterized in that the base material is impregnated with a resin.
より詳細に説明すれば、例えば基材として多用されてい
るガラス布について説明すると、単糸径５〜１１μｍ程
度のガラス繊維を多数本集束して撚り合わせたガラスヤ
ーンを、経糸および緯糸として織成されたガラス布基材
に、エポキシ樹脂。To explain in more detail, for example, glass cloth, which is often used as a base material, is woven by weaving glass yarns, which are made by bunching and twisting a large number of glass fibers with a diameter of about 5 to 11 μm, as warp and weft threads. Epoxy resin on a glass cloth base material.
不飽和ポリエステル、ビニルエステル樹脂、ジアリルフ
タレート樹脂、ポリイミド樹脂、フェノール樹脂などか
ら要求される積層板の性能に応じて選択される樹脂を、
ワニス状にして含浸するに際して、含浸に先立ってガラ
ス布基材などを、該基材の長手方向に対して直交するこ
となく交わる軸線を有し、且つ互いに平行で適宜の間隔
を有する２個の平行なローラからなる開繊用ローラに該
基材を経由させて走行方向を転換しつつ、該基材の原糸
つまりガラスヤーンなどを開繊せしめる。この開繊は、
基材を構成する経糸および緯糸が開繊ローラを通過する
に際して、異なった方向に転換することによって原糸を
折り曲げた状態になすことで得られ、例えばカップリン
グ剤などによって固着されているｍ羅間が開繊され、事
後において樹脂が含浸しやすい状態とするものであるか
ら、原糸の状態に応じてローラの径、開繊ローラの軸線
と基材の長手方向（走行方向）とのなす角度などを適宜
設定する必要がある。Resins are selected according to the performance of the laminate from among unsaturated polyesters, vinyl ester resins, diallyl phthalate resins, polyimide resins, phenolic resins, etc.
When impregnating a glass cloth base material in the form of a varnish, prior to impregnation, a glass cloth base material or the like is coated with two pieces having axes that intersect without being orthogonal to the longitudinal direction of the base material, and that are parallel to each other and spaced at an appropriate distance. While changing the direction of travel through the base material, the fiber-spreading rollers consisting of parallel rollers spread the fibers of the base material, such as glass yarn. This opening is
When the warp and weft yarns constituting the base material pass through an opening roller, they are turned in different directions to bend the raw yarns, and are fixed with a coupling agent, for example. Since the fibers are opened between the fibers and the fibers are easily impregnated with the resin after the process, the diameter of the roller and the relationship between the axis of the fiber-spreading roller and the longitudinal direction (travel direction) of the base material are determined depending on the condition of the yarn. It is necessary to set the angle etc. appropriately.
本発明の方法が利用できる基材としては、上述のガラス
布のほかに合成繊維あるいは石綿糸、炭素ａＩＮなどを
原糸とする布であっても、開繊の効果は得られる。In addition to the above-mentioned glass cloth, substrates to which the method of the present invention can be applied may also be cloths whose raw threads are synthetic fibers, asbestos threads, carbon aIN, etc., and the opening effect can be obtained.
なお、開繊ローラの軸線が直角の場合は、緯糸に対する
開ｉ１作用が少なく、気泡混入防止の効果は得られない
。Note that when the axis of the opening roller is perpendicular, the opening i1 effect on the weft is small, and the effect of preventing air bubbles from being mixed cannot be obtained.
このようにして開繊された基材を、常法に従って含浸槽
に浸漬するか、或いはコーティングローラなどによって
樹脂を含浸し、適宜数のがイドバーあるいはローラなど
によって樹脂厚みを調整し、これを加熱乾燥して溶媒を
揮発させて適宜なり状態とし、しかる後巻き取って積層
板用のプリプレグとする。The base material opened in this way is immersed in an impregnating bath according to a conventional method, or impregnated with resin using a coating roller, etc., the thickness of the resin is adjusted using an appropriate number of rollers or rollers, and then heated. It is dried to evaporate the solvent to a suitable state, and then wound up to form a prepreg for a laminate.
（作 用）
上記構成のプリプレグの製造方法によれば、軸線が斜交
する開繊ローうによって織成した基材が、これをよじれ
るようにして通過することになるので、カップリング剤
などによって固着されていた繊維が開繊状態となって、
樹脂が含浸しゃすくなり、ｍ維間に封じ込められていた
気泡も開放されやすくなる。(Function) According to the prepreg manufacturing method having the above configuration, the base material woven by the opening rows whose axes intersect obliquely passes through the opening rows in a twisted manner, so that the base material is fixed by a coupling agent or the like. The fibers that had been used as fibers are now opened.
It becomes easier for the resin to be impregnated, and the air bubbles trapped between the m-fibers become easier to open.
（実施例）
以下、本発明の好適な実施例について添附図面を参照に
して説明する。(Embodiments) Hereinafter, preferred embodiments of the present invention will be described with reference to the accompanying drawings.
・実施例１
単糸繊維径９μｍを４００本集束した６７．５テクスの
ガラスヤーンを経糸および緯糸とし、織密度が経４２本
／インチ、ｌｉ！３２本／インチの平織組織のガラス布
であって、織上げ後にガラスヤ−ンに使用していたデン
プン油脂などの油剤を除去せしめ、しかる後マトリック
ス樹脂との化学的接着を向上せしめるため、カブプリン
グ剤！２！理を施したＡ社製の目付２０００ ／ ＋ｎ
２のガラス布を基材として選択した。このロール状のガ
ラス布Ａを、第１図に示すスタンド１に取付けて、ガイ
ドロール２，３を介して開繊装置４に送り込んだ。・Example 1 Glass yarn of 67.5 tex, which is a collection of 400 single fibers with a diameter of 9 μm, was used as the warp and weft, and the weaving density was 42 warp/inch, li! It is a glass cloth with a plain weave structure of 32 threads/inch, and after weaving, a cabling agent is applied to remove oils such as starch oil used in the glass yarns, and then to improve chemical adhesion with the matrix resin. ! 2! Fabric weight 2000/+n manufactured by company A
Glass cloth No. 2 was selected as the base material. This rolled glass cloth A was attached to a stand 1 shown in FIG. 1 and fed into a fiber opening device 4 via guide rolls 2 and 3.
第２図にその詳細を示ずように、開繊装置４は、対をな
す平行な開繊ローラ５，６Ｊ’；よび７，８の２組から
なり、開繊ローラ５，６の軸線がガラス布Ａの供給方向
（長手方向）とのなす角度θ、を４５°とし、他方の開
繊ローラ７．８の軸線の角度θ２が４５°に調整され、
これらのローラ５゜６．７．８の外形が３Ｑｍｍのもの
を用いた。As not shown in detail in FIG. 2, the opening device 4 consists of two pairs of parallel opening rollers 5, 6J' and 7, 8, and the axes of the opening rollers 5, 6 are The angle θ formed with the supply direction (longitudinal direction) of the glass cloth A is set to 45°, and the angle θ2 of the axis of the other opening roller 7.8 is adjusted to 45°,
These rollers were used having an outer diameter of 5°6.7.8 mm and 3Q mm.
開繊装置４に通すことによって、挿通前においてはガラ
ス布の緯糸はカップリング剤によってあたかもＦＲＰの
棒状を呈していたものが、ローラ５．６．７．８の間を
よじれるようにして通過する開繊作用によって解きほぐ
され、柔軟な状態となっていた。この場合、開繊をより
効率的に行なうためには、開繊ローラ５の上方に押えロ
ーラ１２を設置してもよい。By passing it through the fiber opening device 4, the weft yarn of the glass cloth, which had the shape of a rod of FRP due to the coupling agent before passing through the fiber opening device 4, passes between the rollers 5, 6, 7, 8 in a twisted manner. It was loosened by the opening action and became flexible. In this case, in order to perform the fiber opening more efficiently, a presser roller 12 may be installed above the fiber opening roller 5.
このようにして開繊されたガラス布Ａは、引き続いてエ
ポキシ樹脂、ｖｆ！化剤および溶剤からなる粘度１００
センチポイズ（２５℃における測定）のエポキシ樹脂ワ
ニスを満たした含浸槽９に浸漬してワニスを含浸させ、
これを厚み調整用のスリットパー１０を通した後に、乾
燥装置１１内に導入して１５０℃で５分間加熱して樹脂
量４２重偵％のプリプレグを得た。The glass cloth A opened in this way is then treated with epoxy resin and vf! viscosity 100 consisting of a curing agent and a solvent
Impregnated with varnish by immersing it in an impregnating tank 9 filled with centipoise (measured at 25 ° C.) epoxy resin varnish,
After passing this through a slit parr 10 for thickness adjustment, it was introduced into a drying device 11 and heated at 150° C. for 5 minutes to obtain a prepreg with a resin content of 42%.
このプリプレグを８枚重ねるとともに、両面に厚さ３５
μｍの銅箔を重ね、これをステンレス製型板間に挾み、
温度１７０℃、圧力３０ ｋ（Ｊ、／ ｃｗｔの条件で
６０分間加圧、加熱成形を行なうことにより、銅張り積
層板を製造することができる。By stacking 8 sheets of this prepreg, the thickness of both sides is 35mm.
Layer μm copper foil and sandwich it between stainless steel templates,
A copper-clad laminate can be manufactured by pressurizing and heat forming for 60 minutes at a temperature of 170° C. and a pressure of 30 k (J,/cwt).
この実施例によるプリプレグについて５０侶の顕微鏡で
観察したところ、添附した顕微鏡参考写真１からも明ら
かなように、気泡は認められず、積層板にした場合にも
気泡は認められなかった。When the prepreg according to this example was observed under a 50-meter microscope, no air bubbles were observed, as is clear from the attached microscopic reference photograph 1, and no air bubbles were observed when it was made into a laminate.
・実施例２
実施例１と比較して、開繊装置４の対をなす２組の開繊
ローラ５，６，７．８のガラス布Ａの長手方向に対する
傾斜角度をほぼ同じにして、第３図に示寸ように４本の
ローラ５，６，７．８が斜交して平行になるように配置
し、ガラス布Ａを開繊してプリプレグを製造した。・Example 2 Compared to Example 1, the inclination angles of the two pairs of opening rollers 5, 6, 7.8 of the opening device 4 with respect to the longitudinal direction of the glass cloth A were made almost the same, and the Four rollers 5, 6, 7.8 were arranged obliquely and parallel to each other as shown in FIG. 3, and the glass cloth A was opened to produce a prepreg.
この方法によって得られたプリプレグも、上記実施例１
と同様に顕微鏡観察によっても気泡が認められなかった
。The prepreg obtained by this method was also used in Example 1 above.
Similarly, no air bubbles were observed by microscopic observation.
・比較例１
上記実施例と同じガラス布Ａおよび樹脂ワニスを使用し
、開繊装置４を使用することなく含浸を行４ζい、ガラ
ス布Ａを１５０℃で５分間加熱して、樹脂分４２重路％
のプリプレグを得た。Comparative Example 1 Using the same glass cloth A and resin varnish as in the above example, impregnation was performed without using the opening device 4, and the glass cloth A was heated at 150°C for 5 minutes to reduce the resin content to 42. Heavy road%
prepreg was obtained.
このようして得たプリプレグを、実施例１と同じ構成１
条件で加熱成形して銅張り！１′Ｉ層板を製造してみた
。The thus obtained prepreg was prepared using the same structure 1 as in Example 1.
Heat molded and copper-clad under the conditions! I tried manufacturing a 1'I layer plate.
この比較例のプリプレグには、添附した顕微鏡参考写真
２からも明確にねるように、ガラス繊維に沿って多数の
気泡があり、積層板には中心部にボイドがル２められた
。The prepreg of this comparative example had many air bubbles along the glass fibers, as clearly seen from the attached microscopic reference photo 2, and the laminate had voids in the center.
なお、上記実施例では、ガラスイ５ Ａの長手方向と斜
交する対をなす聞棋ローラを２ｆＩ１１使用した製造方
法を例示したが、本発明ではこれが１祖ないしは３組以
上であっても勿論よい。In addition, in the above embodiment, a manufacturing method using 2fI11 pairs of chess rollers obliquely intersecting the longitudinal direction of the glassy 5A was exemplified, but in the present invention, it is of course possible to use one or more pairs of chess rollers. .
（発明の効果）
本発明にＪ：るプリプレグの製造方法によれば、基材を
構成する経糸或いは緯糸が、カップリング剤などによっ
て固着されて棒状になっているのを、基材の走行方向と
適宜な角度で交わる軸線を有する開繊ローラによって、
とりわけ緯糸を効果的に開繊できる。これはローラを基
材の走行方向に対して傾斜させることによって、織物の
長手方向に直交して入っている緯糸が、布の走行に従っ
て徐々に折り曲げ変形を受け、待糸があたかももみほぐ
されるような力を受けるためと思われる。勿１倫経糸も
ローラの径に応じた曲げ変形を受けることによって開繊
される。(Effects of the Invention) According to the prepreg manufacturing method according to the present invention, the warp or weft constituting the base material is fixed with a coupling agent or the like and has a rod shape. By means of a spreading roller having an axis that intersects at an appropriate angle with
In particular, the weft can be opened effectively. By tilting the rollers with respect to the running direction of the base material, the weft threads, which are perpendicular to the longitudinal direction of the fabric, are gradually bent and deformed as the fabric runs, making it appear as if the waiting threads were being loosened. It is thought that this is to receive powerful force. The warp threads are also opened by being subjected to bending deformation according to the diameter of the roller.
このようにして基材の織物を構成する原糸が、付着され
ているカップリング剤などの処理剤によって固着されて
いるのを［震域的に開繊するので、事後にＪ５いて、樹
脂ワニスが原糸の内部まで含浸可能となって原糸中の空
気が追い出され、気泡混入のｌｌ１ｉめて少ないプリプ
レグが１ｑられる。In this way, the fibers constituting the base fabric are fixed by the attached coupling agent and other treatment agents. can be impregnated into the inside of the yarn, the air in the yarn is expelled, and 1q of prepreg with fewer air bubbles is produced.
上述のように、本発明のプリプレグの製造方法によれば
、基材を比較的簡易な開繊装置に通すことによって、気
泡混入の極めて少ないプリプレグを得ることができ、こ
れを積層板として加熱成形するときは、気泡を追い出す
ために高圧にすることを要さないので、成形装置上、省
エネ上有利であり、また高圧をかけないため積層板に反
り、ねじれなどの変形を起こす心配もないなど、新規に
して極めて有用なプリプレグの製造方法を提供できる。As described above, according to the prepreg manufacturing method of the present invention, prepreg with extremely low air bubbles can be obtained by passing the base material through a relatively simple fiber opening device, and this can be heat-formed as a laminate. When molding, it is not necessary to apply high pressure to expel air bubbles, which is advantageous in terms of energy savings for the molding equipment, and since high pressure is not applied, there is no need to worry about warping, twisting, or other deformation of the laminate. , it is possible to provide a novel and extremely useful prepreg manufacturing method.
第１図は本発明の一実施例態様によるプリプレグの製造
工程を示す全体図、第２図は本発明に用いる開！Ｉ装置
の第１実施例を示す開繊ローラの配置説明図、第３図は
同装置の他の実施例を示す説明図である。FIG. 1 is an overall view showing the manufacturing process of a prepreg according to an embodiment of the present invention, and FIG. 2 is an overall view showing the prepreg manufacturing process according to an embodiment of the present invention. FIG. 3 is an explanatory diagram showing the arrangement of the opening rollers showing the first embodiment of the I device, and FIG. 3 is an explanatory diagram showing another embodiment of the same device.
Claims (2)
グを製造する際に、該基材の長手方向に対して斜交する
軸線を有し、対をなす平行な開繊用ローラに該基材を経
由させて、走行方向を転換しつつ該基材の原糸を開繊し
、しかる後、該基材に樹脂を含浸することを特徴とする
プリプレグの製造方法。(1) When producing prepreg by impregnating a base material woven with raw yarn with resin, a pair of parallel fiber opening rollers having an axis obliquely intersecting the longitudinal direction of the base material are used. A method for manufacturing a prepreg, which comprises opening the fibers of the base material while changing the running direction through the base material, and then impregnating the base material with a resin.
した２組からな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の製造方法。(2) The first aspect of the present invention is characterized in that the opening rollers are comprised of two sets each inclined in different directions.
2. Method for manufacturing prepreg described in Section 1.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP8832986A JPS62259811A (en) | 1986-04-18 | 1986-04-18 | Manufacture of prepreg |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP8832986A JPS62259811A (en) | 1986-04-18 | 1986-04-18 | Manufacture of prepreg |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS62259811A true JPS62259811A (en) | 1987-11-12 |
| JPH051723B2 JPH051723B2 (en) | 1993-01-08 |
Family
ID=13939841
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP8832986A Granted JPS62259811A (en) | 1986-04-18 | 1986-04-18 | Manufacture of prepreg |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS62259811A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH04149246A (en) * | 1990-10-15 | 1992-05-22 | Matsushita Electric Works Ltd | Production of laminated sheet |
| JP2007119630A (en) * | 2005-10-28 | 2007-05-17 | Sumitomo Bakelite Co Ltd | Composite sheet, substrate, and electronic device |
| WO2023090272A1 (en) * | 2021-11-18 | 2023-05-25 | 旭化成株式会社 | Glass cloth, glass cloth production method, prepreg, and printed wiring board |
| TWI820954B (en) * | 2021-10-08 | 2023-11-01 | 日商旭化成股份有限公司 | Glass cloth, prepreg, printed wiring board, integrated circuit, and electronic equipment |
-
1986
- 1986-04-18 JP JP8832986A patent/JPS62259811A/en active Granted
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH04149246A (en) * | 1990-10-15 | 1992-05-22 | Matsushita Electric Works Ltd | Production of laminated sheet |
| JP2007119630A (en) * | 2005-10-28 | 2007-05-17 | Sumitomo Bakelite Co Ltd | Composite sheet, substrate, and electronic device |
| TWI820954B (en) * | 2021-10-08 | 2023-11-01 | 日商旭化成股份有限公司 | Glass cloth, prepreg, printed wiring board, integrated circuit, and electronic equipment |
| WO2023090272A1 (en) * | 2021-11-18 | 2023-05-25 | 旭化成株式会社 | Glass cloth, glass cloth production method, prepreg, and printed wiring board |
| TWI813504B (en) * | 2021-11-18 | 2023-08-21 | 日商旭化成股份有限公司 | Glass cloth, manufacturing method of glass cloth, prepreg, printed circuit board |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH051723B2 (en) | 1993-01-08 |
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