JPH0497584A - Laminate for electricity - Google Patents

Laminate for electricity

Info

Publication number
JPH0497584A
JPH0497584A JP2215462A JP21546290A JPH0497584A JP H0497584 A JPH0497584 A JP H0497584A JP 2215462 A JP2215462 A JP 2215462A JP 21546290 A JP21546290 A JP 21546290A JP H0497584 A JPH0497584 A JP H0497584A
Authority
JP
Japan
Prior art keywords
vinyl ester
ester resin
laminate
impregnated
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
Application number
JP2215462A
Other languages
Japanese (ja)
Other versions
JP2572880B2 (en
Inventor
Shigehiro Okada
茂浩 岡田
Shuji Makino
牧野 秀志
Soichi Horibata
堀端 壮一
Tetsuo Mito
三刀 哲郎
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 Electric Works Co Ltd
Original Assignee
Matsushita Electric Works Ltd
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 Electric Works Ltd filed Critical Matsushita Electric Works Ltd
Priority to JP2215462A priority Critical patent/JP2572880B2/en
Publication of JPH0497584A publication Critical patent/JPH0497584A/en
Application granted granted Critical
Publication of JP2572880B2 publication Critical patent/JP2572880B2/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Landscapes

  • Laminated Bodies (AREA)
  • Moulding By Coating Moulds (AREA)
  • Non-Insulated Conductors (AREA)

Abstract

PURPOSE:To elevate punching processability, moisture absorption resistance, and heat resistance, and improve dimension accuracy and surface smoothness by laminating and uniting glass fabric impregnated with vinyl ester resin and nonwoven fabric in specified arrangement relation. CONSTITUTION:This has such structure that nonwoven fabrics 2 impregnated with vinyl ester resin are arranged at the top and bottom of the glass cloth 1 impregnated with vinyl ester resin as a core material and further metallic foils 3 are arranged at the top and bottom, and are laminated and integrated. A new laminate can be obtained, which is capable of punching processing, excellent in processability, favorable both in moisture absorption resistance and heat resistance, firm, and capable of bending processing.

Description

【発明の詳細な説明】 (産業上の利用分野) この発明は、電気用積層板に関するものである。[Detailed description of the invention] (Industrial application field) The present invention relates to an electrical laminate.

さらに詳しくは、この発明は、パンチング加工および曲
げ加工可能な新しい電気用積層板に関するものである。
More specifically, the present invention relates to a new electrical laminate that can be punched and bent.

(従来の技術) 従来より、電気・電子機器、通信機器、計算機等に用い
られている印刷配線板用の電気用積層板としては、その
基材として、紙を用いるものと、ガラス布を用いるもの
とが知られている。紙基材の場合には、穴あけパンチン
グ加工が可能であるが、吸湿性が比較的大きく、かつ、
耐熱性がやや低いために主として民生用機器の積層板と
して用いられており、一方、ガラス布基材の場合には、
穴あけ加工はドリル加工に限られ、加工能率およびコス
ト低減効果の面においてやや劣るものの、耐吸湿および
耐熱性が良好であるため、産業用機器向けの積層板とし
て使用されてきている。
(Prior art) Conventionally, electrical laminates for printed wiring boards used in electrical/electronic equipment, communication equipment, computers, etc. have been made of paper or glass cloth as the base material. things are known. In the case of paper base material, hole-punching processing is possible, but it has relatively high hygroscopicity and
Due to its rather low heat resistance, it is mainly used as a laminate for consumer equipment.On the other hand, in the case of glass cloth base material,
Hole processing is limited to drilling, and although it is somewhat inferior in terms of processing efficiency and cost reduction effect, it has good moisture absorption and heat resistance, so it has been used as a laminate for industrial equipment.

この紙基材とガラス布基材との両者の長所を生かした積
層板として、最近、第2図に示したように、芯材(ア)
としてして不織布を用い、その上下層(イ)としてガラ
ス布基材を配設し、さらに金属箔(つ)を配して積層一
体化した積層板が登場している。この積層板は、穴あけ
加工としてパンチングが可能で加工能率、コスト性に優
れ、かつ耐吸湿、耐熱性も良好であるという特徴を有し
ている。
Recently, as shown in Figure 2, as a laminate that takes advantage of the advantages of both paper base material and glass cloth base material, core material (A) has been developed.
A laminate has appeared in which a non-woven fabric is used as the laminate, a glass cloth base material is provided as the upper and lower layers (a), and metal foil is further arranged to integrate the lamination. This laminate is characterized in that it can be punched as a hole-drilling process, has excellent processing efficiency and cost efficiency, and also has good moisture absorption resistance and heat resistance.

(発明が解決しようとする課題) しかしながら、この改良された従来の積層板の場合には
、加工性やその物理特性が良好であるものの、硬度が大
きく、曲げ加工ができないという欠点があった。この欠
点は、連続的な生産法においては大きな障害となるもの
であった。
(Problems to be Solved by the Invention) However, in the case of this improved conventional laminate, although its workability and physical properties are good, it has a drawback that it has high hardness and cannot be bent. This drawback has been a major hindrance in continuous production methods.

曲げ加工の可能な積層板として、樹脂フィルムと銅箔の
ラミネート品からなるフレキシブル積層板が知られては
いるが、このものには腰がなく、その用途にはおのずと
制約があった。
Flexible laminates made of laminates of resin film and copper foil are known as bendable laminates, but these laminates lack stiffness and naturally have limitations in their uses.

この発明は、以上の通りの事情に鑑みてなされたもので
あり、従来の電気用積層板の欠点を改善し、パンチング
加工が可能で、加工能率に優れ、しかも耐吸湿、耐熱性
ともに良好で、腰のある曲げ加工可能な新しい積層板を
提供することを目的としている。
This invention was made in view of the above circumstances, and it improves the drawbacks of conventional electrical laminates, allows punching, has excellent processing efficiency, and has good moisture absorption and heat resistance. The aim is to provide a new laminate that can be bent with ease.

(課題を解決するだめの手段) この発明は、上記の課題を解決するものとして、ビニル
エステル樹脂含浸ガラス布の上下面にビニルエステル樹
脂含浸不織布を配し、さらにその上面および/または下
面に金属箔を配設して積層−体化成形としてなることを
特徴とする電気用積層板を提供する。
(Another Means to Solve the Problems) This invention solves the above problems by arranging vinyl ester resin-impregnated nonwoven fabrics on the upper and lower surfaces of a vinyl ester resin-impregnated glass cloth, and further disposing metal on the upper and/or lower surfaces. An electrical laminate is provided, characterized in that it is formed by laminate molding by disposing foil.

すなわち、この発明は、第1図に示したように、その芯
材としてビニルエステル樹脂含浸ガラス布(1)の上下
面にビニルエステル樹脂含浸不織布(2)を配し、さら
にその上面および/または下面に金属箔(3)を配して
積層一体化成形した構造を有している。
That is, as shown in FIG. 1, in this invention, vinyl ester resin-impregnated nonwoven fabrics (2) are arranged on the upper and lower surfaces of a vinyl ester resin-impregnated glass cloth (1) as the core material, and the upper surface and/or It has a laminated and integrally molded structure with metal foil (3) arranged on the lower surface.

この積層板におけるビニルエステル樹脂含浸ガラス布(
1)に使用するビニルエステル樹脂は、その種類として
各種のものが使用でき、ビニルエステル結合単位を有す
る適宜な樹脂を単独で、あるいは混合物として、さらに
はエポキシ等により変性したものを用いることができる
。なお、その使用に際しては、ガラス転移温度(Tg)
が60℃以下のものを用いるのが一般的に好ましい。
Vinyl ester resin impregnated glass cloth in this laminate (
Various kinds of vinyl ester resins can be used for 1), and suitable resins having vinyl ester bonding units can be used alone or as a mixture, and even those modified with epoxy etc. can be used. . In addition, when using it, the glass transition temperature (Tg)
It is generally preferable to use one having a temperature of 60°C or less.

ガラス布としては、特に限定されるものではないが、好
ましくは20〜100μm厚の薄手のものを用いる。こ
のことは、曲げ加工性をより向上させるためである。な
お、このガラス布については所要の枚数を用いることも
できるが、できるた、け1枚を使用するようにするのが
好ましい。このガラス布には、上記のビニルエステル樹
脂を含浸させるが、その際に、含浸用のビニルエステル
樹脂には、必要に応じて、水酸化アルミニウム、タルク
、アルミナ、シリカ、炭酸カルシウム、炭酸マグネシウ
ム等を、樹脂100重量部に対して150部以下程度の
割合で添加することができる。
The glass cloth is not particularly limited, but preferably a thin glass cloth with a thickness of 20 to 100 μm is used. This is to further improve bending workability. Although any desired number of glass cloths can be used, it is preferable to use only one glass cloth if possible. This glass cloth is impregnated with the vinyl ester resin described above. At this time, the vinyl ester resin for impregnation may include aluminum hydroxide, talc, alumina, silica, calcium carbonate, magnesium carbonate, etc., as necessary. can be added in a proportion of about 150 parts or less per 100 parts by weight of the resin.

次に、上記のビニルエステル樹脂含浸ガラス布(1)の
上下面に配設するビニルエステル樹脂含浸不織布(2)
についてであるが、ビニルエステル樹脂としては上記と
同様のものを使用することができる。不織布としては、
ガラス繊維、ポリエステル、ポリアクリル、ポリウレタ
ン、ポリビニルアルコール、ポリイミド等の有機繊維の
単独、混抄、混紡、あるいは混合からなる不織布を用い
ることができる。この場合にも所要の枚数使用としても
よいが、1枚づつ上下面に使用するのか好ましい。また
、より好ましくは、ガラス繊維/ポリエステル繊維の組
合わせからなり、その比がO/100〜70/30の混
合不織布であることが好ましい。
Next, vinyl ester resin-impregnated nonwoven fabrics (2) are placed on the upper and lower surfaces of the vinyl ester resin-impregnated glass fabric (1).
However, as the vinyl ester resin, the same ones as mentioned above can be used. As a nonwoven fabric,
Non-woven fabrics made of organic fibers such as glass fiber, polyester, polyacrylic, polyurethane, polyvinyl alcohol, polyimide, etc. alone, mixed, blended, or mixed can be used. In this case as well, a required number of sheets may be used, but it is preferable to use one sheet each for the upper and lower surfaces. More preferably, it is a mixed nonwoven fabric made of a combination of glass fiber/polyester fiber, and the ratio thereof is O/100 to 70/30.

また、金属箔(3)については、従来より使用されてき
ている銅、アルミニウム、鉄、ニッケル、亜鉛等の金属
あるいは合金を適宜に用いることができ、必要に応じて
、その片面に接着層を設けておいてもよい。
Further, as for the metal foil (3), conventionally used metals or alloys such as copper, aluminum, iron, nickel, zinc, etc. can be used as appropriate, and if necessary, an adhesive layer can be applied to one side of the metal foil (3). It may be provided.

積層一体化成形においては、上記した通りの含浸物は乾
燥してから成形に使用してもよいし、あるいは、乾燥せ
ずに粘稠状態のまま用いてもよい。
In lamination and integral molding, the impregnated material as described above may be used for molding after drying, or may be used in a viscous state without drying.

積層成形には、プレス、ダブルベルト、マルチロール等
による加熱加圧成形法を採用してもよいし、あるいは、
積層体の自重のみによる実質的に無圧、加熱積層でもよ
い。ただ、無圧加熱積層法の方か表面粗度が小さくなる
のでより好ましい。つまり、無圧連続加工法が好適に採
用される。
For lamination molding, a hot pressure molding method using a press, double belt, multi-roll, etc. may be adopted, or,
Substantially pressureless, heated lamination using only the own weight of the laminate may be used. However, the pressureless heating lamination method is more preferable because the surface roughness is reduced. In other words, a pressureless continuous processing method is preferably employed.

もちろん、この発明の積層板成形の細部については従来
公知の態様をはじめ適宜な手段、対応か可能である。
Of course, the details of the laminate forming process of the present invention may be carried out using conventionally known methods or other suitable means.

(作 用) この発明の積層板においては、ビニルエステル樹脂を含
浸したガラス布と不織布とを特有の配置関係で積層一体
化することにより、パンチング加工性を有するとともに
、耐吸湿、耐熱性に優れ、寸法精度の向上、表面平滑性
の向上、部品搭載時のタワミか小さく、かつ、折り曲げ
加工可能という優れた特長を有する積層板が実現される
(Function) The laminate of the present invention has punching processability as well as excellent moisture absorption and heat resistance by laminating and integrating the glass cloth impregnated with vinyl ester resin and the nonwoven fabric in a unique arrangement relationship. A laminate with excellent features such as improved dimensional accuracy, improved surface smoothness, small deflection when mounting components, and can be bent is realized.

(実施例) 実施例1〜6 各種の厚みのガラス布にビニルエステル樹脂の各種のT
gを有するものを含浸させ、その上下に、ガラス繊維/
ポリエステル繊維(50150):重量比、繊維長30
M)の混抄不織布にビニルエステル樹脂を含浸させたも
のを配し、最外層の上下面に銅箔を配設して一体化成形
した。無圧連続工法として成形した。
(Example) Examples 1 to 6 Various types of T made of vinyl ester resin were applied to glass cloths of various thicknesses.
g, and above and below it, glass fiber/
Polyester fiber (50150): weight ratio, fiber length 30
The mixed nonwoven fabric of M) impregnated with vinyl ester resin was disposed, and copper foil was disposed on the upper and lower surfaces of the outermost layer and integrally molded. It was molded using a pressureless continuous method.

得られた積層板についてその特性を評価した。The properties of the obtained laminate were evaluated.

その結果を示したものが表1である。Table 1 shows the results.

なお、難燃剤等の無機フィラーを添加した場合について
も特性を評価した。
Note that the characteristics were also evaluated in the case where an inorganic filler such as a flame retardant was added.

比較例としてTgが高く、またガラス布の厚みか大きい
ものについて示した。
As a comparative example, a glass cloth with a high Tg and a large thickness is shown.

この発明の積層板においては、寸法精度、表面平滑性、
打ち抜き性、折り曲げ性ともに良好であることかわかる
The laminate of this invention has dimensional accuracy, surface smoothness,
It can be seen that both punching and bending properties are good.

(発明の効果) この発明により、以上詳しく説明した通り、パンチング
加工可能で、吸湿耐熱性が良好な、かつ曲げ加工可能な
積層板が実現される。
(Effects of the Invention) As described above in detail, the present invention realizes a laminate that can be punched, has good moisture absorption and heat resistance, and can be bent.

この積層板は無圧連続工法可能でもある。This laminate can also be constructed using a pressureless continuous construction method.

【図面の簡単な説明】[Brief explanation of the drawing]

第1図は、この発明の積層板を例示した断面図であり、
第2図は、従来のものの断面図である。 ■・・・ビニルエステル樹脂含浸ガラス布2・・・ビニ
ルエステル樹脂含浸不織布3・・・金属箔 代理人 弁理士  西  澤  利  夫第1図
FIG. 1 is a cross-sectional view illustrating a laminate of the present invention,
FIG. 2 is a sectional view of the conventional one. ■...Vinyl ester resin impregnated glass cloth 2...Vinyl ester resin impregnated nonwoven fabric 3...Metal foil agent Patent attorney Toshio Nishizawa Figure 1

Claims (1)

【特許請求の範囲】[Claims] (1)ビニルエステル樹脂含浸ガラス布の上下面にビニ
ルエステル樹脂含浸不織布を配し、さらにその上面およ
び/または下面に金属箔を配設して積層一体化成形して
なることを特徴とする電気用積層板。
(1) A nonwoven fabric impregnated with a vinyl ester resin is arranged on the upper and lower surfaces of a glass fabric impregnated with a vinyl ester resin, and metal foil is further arranged on the upper and/or lower surfaces of the glass fabric, and an electric device is formed by laminating and integrally molding the same. laminate board.
JP2215462A 1990-08-15 1990-08-15 Electric laminate Expired - Lifetime JP2572880B2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP2215462A JP2572880B2 (en) 1990-08-15 1990-08-15 Electric laminate

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2215462A JP2572880B2 (en) 1990-08-15 1990-08-15 Electric laminate

Publications (2)

Publication Number Publication Date
JPH0497584A true JPH0497584A (en) 1992-03-30
JP2572880B2 JP2572880B2 (en) 1997-01-16

Family

ID=16672778

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2215462A Expired - Lifetime JP2572880B2 (en) 1990-08-15 1990-08-15 Electric laminate

Country Status (1)

Country Link
JP (1) JP2572880B2 (en)

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0220341A (en) * 1988-07-08 1990-01-23 Matsushita Electric Works Ltd Preparation of laminated sheet
JPH02155726A (en) * 1988-12-09 1990-06-14 Sumitomo Bakelite Co Ltd Manufacture of heat curing resin laminated sheet

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0220341A (en) * 1988-07-08 1990-01-23 Matsushita Electric Works Ltd Preparation of laminated sheet
JPH02155726A (en) * 1988-12-09 1990-06-14 Sumitomo Bakelite Co Ltd Manufacture of heat curing resin laminated sheet

Also Published As

Publication number Publication date
JP2572880B2 (en) 1997-01-16

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