JP2002363424A - Resin paste and method for producing the same - Google Patents

Resin paste and method for producing the same

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Publication number
JP2002363424A
JP2002363424A JP2001175731A JP2001175731A JP2002363424A JP 2002363424 A JP2002363424 A JP 2002363424A JP 2001175731 A JP2001175731 A JP 2001175731A JP 2001175731 A JP2001175731 A JP 2001175731A JP 2002363424 A JP2002363424 A JP 2002363424A
Authority
JP
Japan
Prior art keywords
resin
resin paste
paste
weight
coupling 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
Application number
JP2001175731A
Other languages
Japanese (ja)
Inventor
Katsuhiro Onose
勝博 小野瀬
Tomohiro Hirata
知広 平田
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.)
Showa Denko Materials Co Ltd
Original Assignee
Hitachi Chemical Co 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 Hitachi Chemical Co Ltd filed Critical Hitachi Chemical Co Ltd
Priority to JP2001175731A priority Critical patent/JP2002363424A/en
Publication of JP2002363424A publication Critical patent/JP2002363424A/en
Pending legal-status Critical Current

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Abstract

PROBLEM TO BE SOLVED: To obtain a resin paste excellent in printability by enabling a high- filling of a filler excellent in shape retaining property and having surface area of >=50 m2/g by formulating a titanate based coupling agent which includes a phosphoric acid molecule in a side chain organic functional group as a hydrophobic group, to a solution of a heat resistant resin such as a polyimide resin, a polyamide imide resin, or a polyamide resin, modified by a flexibilizing and low-modulus component and to provide a method for producting the same. SOLUTION: The resin paste and the method for producting the same characteristically formulate the titanate based coupling agent including the phosphoric acid molecule on the side chain group as the hydrophobic group to the solution including the resin and the solvent.

Description

【発明の詳細な説明】DETAILED DESCRIPTION OF THE INVENTION

【0001】[0001]

【発明の属する技術分野】本発明は、スクリーン印刷
機、ディスペンサ、スピンコータなどの塗布方法に適し
た樹脂ペースト及びその製造方法に関する。特にスクリ
ーン印刷用に適した樹脂ペース及びその製造方法に関す
る。
BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a resin paste suitable for a coating method such as a screen printing machine, a dispenser and a spin coater, and a method for producing the same. In particular, the present invention relates to a resin pace suitable for screen printing and a method for producing the same.

【0002】[0002]

【従来の技術】近年、電子部品の分野においては、小型
化、薄型化、高速化への対応から、耐熱性、電気特性及
び耐湿性に優れる樹脂としてエポキシ樹脂に代わり、ポ
リイミド樹脂、ポリアミドイミド樹脂、ポリアミド樹脂
が使用されている。これらの樹脂は、樹脂構造が剛直で
あり薄膜基材に用いた場合、硬化後の基材が大きく反
り、硬化膜は柔軟性に欠け、屈曲性に劣る問題がある。
2. Description of the Related Art In recent years, in the field of electronic components, polyimide resins and polyamide-imide resins have been used instead of epoxy resins as resins having excellent heat resistance, electrical properties and moisture resistance in order to respond to miniaturization, thinning and high speed. And a polyamide resin is used. These resins have a rigid resin structure and, when used as a thin film substrate, have a problem that the substrate after curing is greatly warped, and the cured film lacks flexibility and is inferior in flexibility.

【0003】そこで、低反り性、柔軟性を改善するため
に、樹脂を可とう化及び低弾性率化した変性されたポリ
アミドイミド樹脂(特開昭62−106960号公報、
特開平8−12763号公報、特開平7−196798
号公報)が提案されている。これら樹脂に、更に耐熱性
を付与させるために高分子量エポキシ樹脂を配合したり
塗布時の作業性及び塗布後の形状保持性を付与するため
フィラーを分散させることにより、印刷性を付与させ、
基板上に直接スクリーン印刷法を用いて絶縁膜及び絶縁
層を形成している。しかし、スクリーン印刷法を用いて
直接基板上に絶縁膜及び絶縁層を形成した場合、基板上
の配線回路とスクリーン版が直接接触するため配線回路
にキズや断線等の問題がある。また、近年の小型化、薄
型化に伴い配線間距離も小さくなり配線間に発生する樹
脂ペーストの流れ出しが大きくなる問題がある。また、
樹脂ペーストの流れ出しを小さくするために粒子径の小
さいフィラーを大量に用いると、樹脂ペーストの粘度や
揺変性が大きくなりペースト流れ出しや形状保持性は向
上するが版離れ性や解像度、レベリング性に問題があ
る。
Therefore, in order to improve low warpage and flexibility, a modified polyamideimide resin obtained by making a resin flexible and having a low elastic modulus (Japanese Patent Application Laid-Open No. 62-106960,
JP-A-8-12763, JP-A-7-196798
Publication). To these resins, by adding a high molecular weight epoxy resin to further impart heat resistance or by dispersing a filler to impart workability during application and shape retention after application, to impart printability,
An insulating film and an insulating layer are formed directly on a substrate by a screen printing method. However, when the insulating film and the insulating layer are directly formed on the substrate by using the screen printing method, the wiring circuit on the substrate comes into direct contact with the screen plate, so that the wiring circuit has a problem such as a flaw or disconnection. In addition, with the recent miniaturization and thinning, there is a problem that the distance between the wirings is reduced and the flow of the resin paste generated between the wirings is increased. Also,
If a large amount of filler with a small particle size is used to reduce the flow of the resin paste, the viscosity and thixotropic properties of the resin paste will increase and the paste will flow out and retain its shape, but will have problems with plate separation, resolution, and leveling. There is.

【0004】[0004]

【発明が解決しようとする課題】本発明は、可とう化及
び低弾性率化成分で変性されたポリイミド樹脂、ポリア
ミドイミド樹脂、ポリアミド樹脂の樹脂溶液にチタネー
ト系カップリング剤を配合することで粒子径の小さいフ
ィラーを高充填させた樹脂ペーストの粘度及び揺変性を
低く抑えることにより流れ出しや形状保持性、版離れ
性、解像度、レベリング性を向上した樹脂ペースト及び
その製造方法に関する。
DISCLOSURE OF THE INVENTION The present invention relates to a method for preparing a resin by adding a titanate coupling agent to a resin solution of a polyimide resin, a polyamideimide resin, or a polyamide resin modified with a flexible and low-modulus component. The present invention relates to a resin paste improved in flow-out, shape retention, plate separation, resolution, and leveling by suppressing the viscosity and thixotropic properties of a resin paste filled with a small-diameter filler at a high level, and a method for producing the same.

【0005】[0005]

【発明が解決するための手段】本発明は、次のものに関
する。 (1)耐熱性樹脂と溶剤含む溶液にフィラーとチタネー
ト系カプリング剤を配合し樹脂ペーストとすることを特
徴とする樹脂ペーストの製造方法。 (2)樹脂ペーストに含まれるフィラーの一部又は全量
の表面積が50m/g以上であることを特徴とする
(1)記載の樹脂ペーストの製造方法。 (3)樹脂ペーストに含まれる平均フィラーの表面積が
50m/g以上のフィラーが耐熱性樹脂固形分100
重量部に対して15重量部〜30重量部であることを特
徴とする(2)記載の樹脂ペーストの製造方法。 (4)樹脂ペーストのチタネート系カップリング剤の疎
水基の側鎖有機官能基にリン酸分子を含むチタネート系
カップリング剤であることを特徴とする(1)、(2)
又は(3)記載の樹脂ペーストの製造方法。 (5)樹脂ペーストのチタネート系カップリング剤の配
合量が、耐熱性樹脂固形分100重量部に対して0.5
重量部〜5重量部である(4)記載の樹脂ペーストの製
造方法。 (6)(1)〜(5)のいずれかに記載の製造方法によ
り得られる樹脂ペースト。
SUMMARY OF THE INVENTION The present invention relates to the following. (1) A method for producing a resin paste, comprising mixing a filler and a titanate-based coupling agent into a solution containing a heat-resistant resin and a solvent to form a resin paste. (2) The method for producing a resin paste according to (1), wherein the surface area of a part or all of the filler contained in the resin paste is 50 m 2 / g or more. (3) The filler having an average filler surface area of 50 m 2 / g or more contained in the resin paste has a heat-resistant resin solid content of 100.
The method for producing a resin paste according to (2), wherein the amount is 15 parts by weight to 30 parts by weight with respect to parts by weight. (4) A titanate-based coupling agent containing a phosphoric acid molecule in the side chain organic functional group of the hydrophobic group of the titanate-based coupling agent of the resin paste (1), (2).
Or the method for producing a resin paste according to (3). (5) The content of the titanate coupling agent in the resin paste is 0.5 to 100 parts by weight of the heat-resistant resin solids.
The method for producing a resin paste according to (4), wherein the amount is from 5 parts by weight to 5 parts by weight. (6) A resin paste obtained by the production method according to any one of (1) to (5).

【0006】[0006]

【発明の実施の形態】本発明の樹脂ペーストは、耐熱性
樹脂と溶剤を含む樹脂溶液にフィラーとチタネート系カ
ップリング剤を配合して得られる。
BEST MODE FOR CARRYING OUT THE INVENTION The resin paste of the present invention is obtained by blending a filler and a titanate coupling agent into a resin solution containing a heat-resistant resin and a solvent.

【0007】本発明の樹脂ペーストに用いられる耐熱性
樹脂としては、耐熱性に優れた樹脂で、可とう化及び低
弾性率化成分で変性されたポリイミド樹脂、ポリアミド
イミド樹脂、ポリアミド樹脂が好適に用いられる。変性
された樹脂としては各種公知の変性がされたものであれ
ば特に制限はなく、例えば、シリコーン樹脂で変性され
たもの、ポリカーボネート樹脂で変性されたもの、ポリ
ブタジエンで変性されたものなどを挙げることができ
る。中でも、ポリカーボネート樹脂で変性されたポリア
ミドイミド樹脂が好ましいものとして挙げられる。
The heat-resistant resin used in the resin paste of the present invention is preferably a resin having excellent heat resistance, and is preferably a polyimide resin, a polyamideimide resin, or a polyamide resin modified with a flexible and low-modulus component. Used. The modified resin is not particularly limited as long as it is various known modifications, and examples thereof include those modified with a silicone resin, those modified with a polycarbonate resin, those modified with polybutadiene, and the like. Can be. Among them, a polyamide imide resin modified with a polycarbonate resin is preferred.

【0008】可とう化及び低弾性率化成分変性された樹
脂は、例えば、ポリカーボネート樹脂で変性されたポリ
アミドイミド樹脂の場合、通常、可とう化及び低弾性率
化成分である1,6−ヘキサンジオール系ポリカーボネ
ートジオール等をカルボン酸とを反応させて得られたジ
カルボン酸と、ポリイソシアネート及び酸無水物基を有
する3価のカルボン酸又はその誘導体とを反応させて得
られる。
For example, in the case of a polyamide-imide resin modified with a polycarbonate resin, the resin modified with a flexible and low elastic modulus component is usually 1,6-hexane which is a flexible and low elastic modulus component. It is obtained by reacting a dicarboxylic acid obtained by reacting a diol-based polycarbonate diol or the like with a carboxylic acid, and a polyisocyanate and a trivalent carboxylic acid having an acid anhydride group or a derivative thereof.

【0009】本発明における耐熱性樹脂と溶剤を含む溶
液は、上記の樹脂をγ−ブチロラクトン等の比較的高沸
点の溶剤に、樹脂分が好ましくは30〜55重量%にな
るように溶解した溶液が用いられる。
The solution containing the heat-resistant resin and the solvent in the present invention is a solution obtained by dissolving the above resin in a solvent having a relatively high boiling point such as γ-butyrolactone so that the resin content is preferably 30 to 55% by weight. Is used.

【0010】本発明の樹脂ペーストに用いられる平均表
面積が50m/g以上のフィラーとしては、前述の耐
熱性樹脂と溶剤を含む溶液に分散し、ペーストを形成す
るものであれば特に制限なく、各種のものが用いられ
る。例えば、タルク、炭酸カルシウム、アルミナ、酸化
チタン、マイカ、炭酸アルミニウム、水酸化アルミニウ
ム、ケイ酸マグネシウム、シリカ、硫酸バリウム、など
が挙げられる。
The filler having an average surface area of 50 m 2 / g or more used in the resin paste of the present invention is not particularly limited as long as it can be dispersed in a solution containing the above-mentioned heat-resistant resin and a solvent to form a paste. Various things are used. Examples include talc, calcium carbonate, alumina, titanium oxide, mica, aluminum carbonate, aluminum hydroxide, magnesium silicate, silica, barium sulfate, and the like.

【0011】前記フィラーを単独で使用してもよいが、
場合によっては、数種類を併用してもよい。
The above filler may be used alone,
In some cases, several types may be used in combination.

【0012】本発明の樹脂ペーストに用いられるフィラ
ーに併用される平均表面積が50m /g以下のフィラ
ーとしては、前述の耐熱性樹脂と溶剤を含む溶液に分散
し、ペーストを形成するものであれば特に制限なく、各
種のものが用いられる。例えば、タルク、炭酸カルシウ
ム、アルミナ、酸化チタン、マイカ、炭酸アルミニウ
ム、水酸化アルミニウム、ケイ酸マグネシウム、シリ
カ、硫酸バリウム、ガラス短繊維やホウ酸アルミニウム
や炭化ケイ素等の各種ウィスカなどが挙げられる。
Filler used for resin paste of the present invention
50m average surface area 2/ G or less
-Dispersed in a solution containing the above-mentioned heat-resistant resin and solvent
Without limitation, as long as it forms a paste.
Seeds are used. For example, talc, calcium carbonate
Aluminum, titanium oxide, mica, aluminum carbonate
Aluminum hydroxide, magnesium silicate, silicon
Mosquito, barium sulfate, short glass fiber and aluminum borate
And various whiskers such as silicon carbide.

【0013】前記フィラーを単独で使用してもよいが、
場合によっては、数種類を併用してもよい。
The above filler may be used alone,
In some cases, several types may be used in combination.

【0014】本発明におけるフィラーとしては、フィラ
ーの平均表面積が1m/g以上の粒子特性を持つもの
が好ましく用いられる。平均表面積が1m/g以下に
なると、樹脂ペーストの流動性が高くなり形状保持性が
低下する傾向がある。上限は特に制限はないが通常40
0m/g以下とされる。
As the filler in the present invention, a filler having an average surface area of the filler of 1 m 2 / g or more and a particle characteristic is preferably used. When the average surface area is 1 m 2 / g or less, the fluidity of the resin paste tends to increase, and the shape retention tends to decrease. The upper limit is not particularly limited, but is usually 40.
0 m 2 / g or less.

【0015】本発明におけるフィラー全体の使用量は、
耐熱性樹脂と溶剤を含む溶液の樹脂固形分100重量部
に対し25〜55重量部とすることが好ましい。25重
量部未満であると形状保持性が低下する傾向があり、5
5重量部を超えるとレベリング性や消泡性が低下する傾
向がある。
In the present invention, the total amount of the filler used is:
It is preferably 25 to 55 parts by weight based on 100 parts by weight of the resin solid content of the solution containing the heat resistant resin and the solvent. If the amount is less than 25 parts by weight, the shape retention tends to decrease.
If it exceeds 5 parts by weight, the leveling property and the defoaming property tend to decrease.

【0016】本発明における樹脂ペーストのフィラーの
使用量は耐熱性樹脂と溶剤を含む溶液の樹脂固形分10
0重量部に対し100重量部以下とすることが好まし
い。100重量部を超えると粘度が上昇し分散性が低下
する傾向がある。
In the present invention, the amount of the filler used in the resin paste is 10% of the solid content of the solution containing the heat-resistant resin and the solvent.
It is preferable that the amount be 100 parts by weight or less based on 0 parts by weight. If it exceeds 100 parts by weight, the viscosity tends to increase and the dispersibility tends to decrease.

【0017】本発明に用いられるチタネート系カップリ
ング剤としては、耐熱性樹脂と溶剤を含む溶液に配合し
た場合、ゲル化などを起こさないものであれば特に制限
しないが、樹脂の種類やフィラーの種類により適宜選択
される。例えば、変性されたポリイミド樹脂、ポリアミ
ドイミド樹脂、ポリアミド樹脂に使用する場合、疎水基
の側鎖有機官能基にリン酸分子を含むチタネート系カッ
プリング剤が好適に使用される。
The titanate-based coupling agent used in the present invention is not particularly limited as long as it does not cause gelation when mixed with a solution containing a heat-resistant resin and a solvent. It is appropriately selected depending on the type. For example, when used for a modified polyimide resin, polyamideimide resin, or polyamide resin, a titanate-based coupling agent containing a phosphoric acid molecule in a side chain organic functional group of a hydrophobic group is preferably used.

【0018】可とう化及び低弾性率化成分で変性された
ポリイミド樹脂、ポリアミドイミド樹脂、ポリアミド樹
脂においては、例えば、KR38S(味の素(株):商
品名)、KR138S(味の素(株):商品名)、KR
238S(味の素(株):商品名)、338X(味の素
(株):商品名)、等のチタネート系カップリング剤が
好適に使用される。前記チタネート系カップリング剤は
単独で使用してもよいが、場合によっては数種類を併用
してもよい。
Examples of the polyimide resin, polyamide imide resin and polyamide resin modified with a flexible and low modulus component include KR38S (Ajinomoto Co., Ltd .: trade name) and KR138S (Ajinomoto Co., Ltd .: trade name) ), KR
Titanate-based coupling agents such as 238S (Ajinomoto Co., Ltd .: trade name) and 338X (Ajinomoto Co., Ltd .: trade name) are preferably used. The titanate-based coupling agent may be used alone, or in some cases, may be used in combination.

【0019】チタネート系カップリング剤の配合量は、
分散性や粘度を考慮して、耐熱性樹脂と溶剤を含む溶液
の樹脂固形分100重量部に対して0.5重量%〜5重
量%とすることが好ましい。この配合量が0.5重量部
未満であると印刷特性が低下し、5重量部を超えると樹
脂組成物の耐熱性や耐湿性などの特性が低下する傾向が
ある。
The content of the titanate coupling agent is as follows:
In consideration of dispersibility and viscosity, the content is preferably 0.5 to 5% by weight based on 100 parts by weight of the resin solid content of the solution containing the heat-resistant resin and the solvent. If the amount is less than 0.5 part by weight, the printing properties tend to decrease, and if it exceeds 5 parts by weight, the properties such as heat resistance and moisture resistance of the resin composition tend to decrease.

【0020】また、樹脂ペーストには、塗工時の作業性
及び皮膜形成前後の膜特性を向上させるため、エポキシ
樹脂、フェーノール樹脂、染料又は顔料等の着色剤類、
熱安定剤、酸化防止剤、難燃剤、滑剤、消泡剤、レベリ
ング剤等を添加することもできる。
In order to improve workability at the time of coating and film properties before and after film formation, a colorant such as an epoxy resin, a phenol resin, a dye or a pigment, etc.
Heat stabilizers, antioxidants, flame retardants, lubricants, defoamers, leveling agents and the like can also be added.

【0021】なかでもエポキシ樹脂を併用すると、基材
との密着性や耐湿性の点で好ましい。エポキシ樹脂を併
用する場合、その添加量としては、前記の耐熱性の樹脂
100重量部に対して、1〜50重量部とすることが密
着性の点で好ましい。
Of these, the use of an epoxy resin is preferred in terms of adhesion to a substrate and moisture resistance. When an epoxy resin is used in combination, the addition amount is preferably 1 to 50 parts by weight with respect to 100 parts by weight of the heat-resistant resin in view of adhesion.

【0022】本発明の樹脂ペーストは、各種電気製品や
電子部品の皮膜形成材料としてスクリーン印刷、ディス
ペンサ、スピンコートなどの塗布方法に好適に用いられ
る。特にスクリーン印刷に好適に用いられる。
The resin paste of the present invention is suitably used as a film-forming material for various electric products and electronic parts in coating methods such as screen printing, dispenser, and spin coating. Particularly, it is suitably used for screen printing.

【0023】本発明になる樹脂ペーストは、例えば、半
導体素子、プリント基板分野などの電子部品用オーバー
コート材、液状封止材、層間絶縁膜、表面保護膜、ソル
ダレジスト層、接着層などとして好適に用いられる。ま
た、エナメル線用ワニス、電気絶縁用含浸ワニス、注型
ワニス、マイカ、ガラスクロス等の基材と組み合わせた
シート用ワニス、MCL積層板用ワニス、摩擦材料用ワ
ニス、などにも使用できる。
The resin paste according to the present invention is suitable, for example, as an overcoat material for electronic components in the field of semiconductor devices and printed circuit boards, a liquid sealing material, an interlayer insulating film, a surface protective film, a solder resist layer, an adhesive layer, and the like. Used for It can also be used for varnishes for enameled wires, impregnated varnishes for electrical insulation, cast varnishes, varnishes for sheets combined with substrates such as mica, glass cloth, varnishes for MCL laminates, varnishes for friction materials, and the like.

【0024】[0024]

【実施例】以下、本発明を実施例により詳細に説明する
が本発明はこれらに限定されるものではない。
EXAMPLES Hereinafter, the present invention will be described in more detail with reference to Examples, but the present invention is not limited thereto.

【0025】実施例1 攪拌機、油分分離機付冷却管、窒素導入管及び温度計を
備えた3リットルの四つ口フラスコに、プラクセルCD
−220(ダイセル化学工業(株) 製、1,6−ヘキ
サンジオール系ポリカーボネートジオールの商品名)2
000.0g(100モル)、アジピン酸292.0g
(2.00モル)及びキシレン114.6gを仕込み、
途中、副生してくる縮合水を除去しながら200℃まで
昇温した。200℃で2時間反応させ、酸価49.7K
OHmg/gのジカルボン酸Aを得た。
Example 1 Plaxel CD was placed in a 3 liter four-necked flask equipped with a stirrer, a condenser equipped with an oil separator, a nitrogen inlet and a thermometer.
-220 (trade name of 1,6-hexanediol-based polycarbonate diol, manufactured by Daicel Chemical Industries, Ltd.) 2
000.0 g (100 mol), adipic acid 292.0 g
(2.00 mol) and 114.6 g of xylene,
On the way, the temperature was raised to 200 ° C. while removing by-product condensed water. Reaction at 200 ° C for 2 hours, acid value 49.7K
OH mg / g of dicarboxylic acid A was obtained.

【0026】ついで、攪拌機、冷却管、窒素導入管及び
温度計を備えた2リットルの四つ口フラスコに、4,
4'−ジフェ二ルメタンジイソシアネート150.0g
(0.60モル)、無水トリメリット酸69.12g
(0.36モル)及び前記合成で得られたジカルボン酸
A541.44g(0.24モル)及びγ―ブチロラク
トン760.56gを仕込み、160℃まで昇温した
後、3時間反応させて、数平均分子量12,000の樹
脂を得た。得られた樹脂をγ―ブチロラクトンで希釈
し、不揮発分40重量%のポリカーボネート変性ポリア
ミドイミド樹脂溶液を得た。なお、無水トリメリット酸
/ジカルボン酸Aのモル比は、0.6/0.4であっ
た。
Then, 4, 2 liter four-necked flask equipped with a stirrer, a cooling pipe, a nitrogen introducing pipe and a thermometer was charged with 4,
40.0 g of 4'-diphenylmethane diisocyanate
(0.60 mol), 69.12 g of trimellitic anhydride
(0.36 mol), 541.44 g (0.24 mol) of the dicarboxylic acid A obtained in the above synthesis and 760.56 g of γ-butyrolactone were added, and the temperature was raised to 160 ° C., followed by a reaction for 3 hours. A resin having a molecular weight of 12,000 was obtained. The obtained resin was diluted with γ-butyrolactone to obtain a polycarbonate-modified polyamideimide resin solution having a nonvolatile content of 40% by weight. The molar ratio of trimellitic anhydride / dicarboxylic acid A was 0.6 / 0.4.

【0027】得られた樹脂溶液の固形分100重量部に
対してチタネート系カップリング剤KR138S(味の
素(株):商品名)を0.5重量部、消泡剤としてKS
−603(信越化学工業(株):商品名)を0.1重量
部、フィラーとしてアエロジル380(日本アエロジル
(株):商品名、平均表面積:380m/g)を21
重量部、併用フィラーとしてLMS300(富士タルク
工業(株):商品名、平均表面積:5m/g)を15
重量部、希釈溶剤としてガンマブチロラクトン50重量
部を配合して攪拌機で1時間攪拌して樹脂ペーストを得
た。
0.5 part by weight of a titanate coupling agent KR138S (trade name of Ajinomoto Co., Inc.) based on 100 parts by weight of the solid content of the obtained resin solution, and KS as a defoaming agent
0.1 parts by weight of -603 (Shin-Etsu Chemical Co., Ltd .: trade name), and 21 of Aerosil 380 (Nippon Aerosil Co., Ltd., trade name, average surface area: 380 m 2 / g) as a filler.
15 parts by weight of LMS300 (trade name, average surface area: 5 m 2 / g) as a combined filler
Parts by weight and 50 parts by weight of gamma butyrolactone as a diluting solvent were mixed and stirred for 1 hour with a stirrer to obtain a resin paste.

【0028】得られたポリアミドイミド樹脂溶液Aとポ
リアミドイミド樹脂溶液Bを1:10で混合し、使用し
た樹脂溶液の固形分100重量部に対してEp−100
4(油化シェルエポキシ(株):商品名、ビスフェノー
ルA型エポキシ樹脂)を20重量%加え、1時間攪拌し
て樹脂ペーストを得た。
The obtained polyamideimide resin solution A and polyamideimide resin solution B were mixed at a ratio of 1:10, and Ep-100 was added to 100 parts by weight of the solid content of the used resin solution.
4 (Yuka Kasper Epoxy Co., Ltd .: trade name, bisphenol A type epoxy resin) was added at 20% by weight, and stirred for 1 hour to obtain a resin paste.

【0029】実施例2 実施例1においてチタネート系カップリング剤KR13
8S(味の素(株):商品名)を1重量部した以外は、
実施例1と全く同様の操作を行い樹脂ペーストを得た。
Example 2 In Example 1, a titanate coupling agent KR13 was used.
8S (Ajinomoto Co .: trade name) except for 1 part by weight,
The same operation as in Example 1 was performed to obtain a resin paste.

【0030】実施例3 実施例1においてチタネート系カップリング剤KR13
8S(味の素(株):商品名)を3重量部した以外は、
実施例1と全く同様の操作を行い樹脂ペーストを得た。
Example 3 In Example 1, a titanate coupling agent KR13 was used.
Except that 3 parts by weight of 8S (Ajinomoto Co., Ltd .: trade name) was used.
The same operation as in Example 1 was performed to obtain a resin paste.

【0031】実施例4 実施例1においてチタネート系カップリング剤KR13
8S(味の素(株):商品名)を5重量部した以外は、
実施例1と全く同様の操作を行い樹脂ペーストを得た。
Example 4 In Example 1, a titanate coupling agent KR13 was used.
8S (Ajinomoto Co .: trade name) except for 5 parts by weight,
The same operation as in Example 1 was performed to obtain a resin paste.

【0032】比較例1 実施例1においてチタネート系カップリング剤KR13
8S(味の素(株):商品名)を0.05重量部した以
外は、実施例1と全く同様の操作を行い樹脂ペーストを
得た。
Comparative Example 1 In Example 1, a titanate coupling agent KR13 was used.
A resin paste was obtained in exactly the same manner as in Example 1, except that 0.05 parts by weight of 8S (Ajinomoto Co., Ltd .: trade name) was used.

【0033】比較例2 実施例1においてチタネート系カップリング剤KR13
8S(味の素(株):商品名)を7重量部した以外は、
実施例1と全く同様の操作を行い樹脂ペーストを得た。
Comparative Example 2 The titanate coupling agent KR13 in Example 1
8S (Ajinomoto Co .: trade name) except for 7 parts by weight,
The same operation as in Example 1 was performed to obtain a resin paste.

【0034】比較例3 実施例1においてチタネート系カップリング剤を添加し
ない以外は、実施例1と全く同様の操作を行い樹脂ペー
ストを得た。
Comparative Example 3 A resin paste was obtained in the same manner as in Example 1 except that no titanate coupling agent was added.

【0035】上記の実施例及び比較例で得られた樹脂ペ
ースト及び樹脂組成物の特性を下記の方法で測定し、結
果を表に示した。
The properties of the resin pastes and resin compositions obtained in the above Examples and Comparative Examples were measured by the following methods, and the results are shown in the table.

【0036】(1)粘度 粘度は、E型粘度計(東機産業株式会社 商品名:RE
−80U、コーン3°×R9.7)を用いて温度25℃
で10rpmで3分間測定し、粘度とした。
(1) Viscosity The viscosity was measured using an E-type viscometer (Toki Sangyo Co., Ltd., trade name: RE
25 ° C. using −80 U, cone 3 ° × R9.7)
The viscosity was measured at 10 rpm for 3 minutes.

【0037】(2)揺変性 揺変性は、E型粘度計(東機産業株式会社 商品名:R
E−80U、コーン3°×R9.7)を用いて温度25
℃で10rpm、1rpmで各3分間測定し、1rpm
の粘度測定値を10rpmの粘度測定値で割った値を揺
変度とした。
(2) Thixotropic Thixotropic is an E-type viscometer (Toki Sangyo Co., Ltd., trade name: R
E-80U, cone 3 ° × R9.7) at 25
At 10 ° C. and 1 rpm for 3 minutes each, and 1 rpm
Was divided by the measured viscosity at 10 rpm to give the degree of thixotropicity.

【0038】(3)印刷性 100μmのポリイミドフィルム上に、得られたポリア
ミドイミド樹脂ペーストを印刷機(ニューロング株式会
社製 商品名:LS―34GX)とメッシュ版(株式会
社ムラカミ製 150メッシュ)で印刷速度100mm
/secで10mm角を印刷し、空気雰囲気下90℃で
30分乾燥後、空気雰囲気中160℃で60分加熱硬化
して得られたポリアミドイミド樹脂被膜について万能投
影機(ニコン株式会社製 倍率50倍)でポリアミドイ
ミド樹脂被膜表面状態を○:表面に凹凸なし、×:表面
に凹凸ありとして評価した。
(3) Printability On a polyimide film of 100 μm, the obtained polyamideimide resin paste was applied with a printing machine (trade name: LS-34GX, manufactured by Neurong Co., Ltd.) and a mesh plate (150 mesh, manufactured by Murakami Co., Ltd.). Printing speed 100mm
/ Sec, and dried at 90 ° C. for 30 minutes in an air atmosphere, and then heat-cured at 160 ° C. for 60 minutes in an air atmosphere to obtain a polyamideimide resin film, which is a universal projector (manufactured by Nikon Corporation, magnification: 50). ×), the surface state of the polyamideimide resin coating was evaluated as ○: no irregularities on the surface, ×: irregularities on the surface.

【0039】(4)形状保持性 100μmのポリイミドフィルムに18μmの銅箔を用
いた銅回路(回路幅が50μm回路間隔が50μm)上
に、得られたポリアミドイミド樹脂ペーストを印刷機
(ニューロング株式会社製 商品名:LS―34GX)
とメッシュ版(株式会社ムラカミ製 150メッシュ)
で印刷速度100mm/secで10mm角を印刷し、
空気雰囲気中90℃で30分乾燥後、空気雰囲気中16
0℃で60分加熱硬化して得られたポリアミドイミド樹
脂被膜について万能投影機(ニコン株式会社製 倍率5
0倍)で印刷エッジ部分を観察し、銅回路際ににじみ出
た樹脂被膜長さを形状保持性とした。
(4) Shape Retention A polyamide-imide resin paste obtained was printed on a copper circuit (circuit width: 50 μm, circuit interval: 50 μm) using a 18 μm copper foil on a 100 μm polyimide film by using a printing machine (available from Neuron Corporation). Product name: LS-34GX)
And mesh plate (150 mesh manufactured by Murakami Co., Ltd.)
Prints 10mm square at a printing speed of 100mm / sec.
After drying at 90 ° C for 30 minutes in an air atmosphere,
A polyamide-imide resin film obtained by heating and curing at 0 ° C. for 60 minutes was used as a universal projector (Nikon Corporation, magnification 5
(0x), the printed edge portion was observed, and the length of the resin film oozing out at the time of the copper circuit was defined as shape retention.

【0040】(5)耐湿性 銅箔上に、得られた樹脂ペーストを印刷機(ニューロン
グ株式会社製 商品名:LS―34GX)とメッシュ版
(株式会社ムラカミ製 150メッシュ)で印刷速度1
00mm/secで10mm角を印刷して乾燥前の印刷
膜を得た。得られた乾燥前の印刷膜を空気雰囲気中90
℃で30分乾燥後、空気雰囲気中160℃で60分加熱
硬化して得られたポリアミドイミド樹脂被膜を121
℃、2気圧の飽和蒸気中で100時間放置してポリアミ
ドイミド樹脂被膜の表面を観察して剥離、膨れの有無を
観察し、無いものを○、有るものを×とした。
(5) Moisture resistance The obtained resin paste is printed on a copper foil at a printing speed of 1 with a printing machine (trade name: LS-34GX, manufactured by Neurong Co., Ltd.) and a mesh plate (150 mesh, manufactured by Murakami Co., Ltd.).
A 10 mm square was printed at 00 mm / sec to obtain a printed film before drying. The obtained printed film before drying is placed in an air atmosphere for 90 minutes.
After drying at 30 ° C. for 30 minutes, the polyamide-imide resin film obtained by heating and curing at 160 ° C. for 60 minutes in an air atmosphere is subjected to 121 ° C.
At 100 ° C. in saturated steam at 2 atm for 100 hours to observe the surface of the polyamide-imide resin film to observe the presence or absence of peeling and swelling.

【0041】[0041]

【表1】 [Table 1]

【0042】[0042]

【表2】 [Table 2]

【0043】以上の結果から明らかなように、比較例1
〜3のチタネート系カップリング剤を添加しない樹脂ペ
ースト及びチタネート系カップリング剤を0.05重量
部、7重量部添加したと樹脂ペーストと比較して、疎水
基の側鎖有機官能基にリン酸分子を含むチタネート系カ
ップリング剤を0.5重量部〜5重量部添加した実施例
1〜4は、粘度、揺変度が小さくなり印刷性や形状保持
性、耐湿性に優れる。
As is clear from the above results, Comparative Example 1
3 and 0.05 parts by weight and 7 parts by weight of the titanate-based coupling agent were not added to the resin paste, and the phosphoric acid side chain organic functional group was phosphoric acid-free. In Examples 1 to 4 in which 0.5 to 5 parts by weight of a titanate-based coupling agent containing a molecule was added, the viscosity and the thixotropic degree were reduced, and the printability, shape retention, and moisture resistance were excellent.

【0044】[0044]

【発明の効果】本発明の樹脂ペーストは、疎水基の側鎖
有機官能基にリン酸分子を含むチタネート系カップリン
グ剤を用いることで形状保持性に優れる表面積が50m
/g以上のフィラーを高充填が可能になり印刷性に優
れる樹脂ペーストが得られる。従って、本発明の樹脂ペ
ーストは、上記の優れた特性を有し、電子部品用オーバ
ーコート材、液状封止材、エナメル線用ワニス電気絶縁
用含浸ワニス、積層板用ワニス、摩擦材料用ワニス、プ
リント基板分野などにおける層間絶縁膜、表面保護膜、
ソルダレジスト膜、接着層などや、半導体素子などの電
子部品に好適に用いられる。
The resin paste of the present invention has a surface area of 50 m, which is excellent in shape retention, by using a titanate coupling agent containing a phosphoric acid molecule in a side chain organic functional group of a hydrophobic group.
High filling of 2 / g or more filler is possible, and a resin paste having excellent printability is obtained. Therefore, the resin paste of the present invention has the above excellent properties, an overcoat material for electronic components, a liquid sealing material, a varnish for enameled wire, an electrical insulation impregnated varnish, a laminate varnish, a friction material varnish, Interlayer insulation film, surface protection film, etc. in the printed circuit board field, etc.
It is suitably used for an electronic component such as a solder resist film, an adhesive layer, and a semiconductor element.

Claims (6)

【特許請求の範囲】[Claims] 【請求項1】 耐熱性樹脂と溶剤含む溶液にフィラーと
チタネート系カプリング剤を配合し樹脂ペーストとする
ことを特徴とする樹脂ペーストの製造方法。
1. A method for producing a resin paste, comprising mixing a filler and a titanate-based coupling agent into a solution containing a heat-resistant resin and a solvent to form a resin paste.
【請求項2】 樹脂ペーストに含まれるフィラーの一部
又は全量の表面積が50m/g以上であることを特徴
とする請求項1記載の樹脂ペーストの製造方法。
2. The method for producing a resin paste according to claim 1, wherein the surface area of a part or the entire amount of the filler contained in the resin paste is 50 m 2 / g or more.
【請求項3】 樹脂ペーストに含まれる平均フィラーの
表面積が50m/g以上のフィラーが耐熱性樹脂固形
分100重量部に対して15重量部〜30重量部である
ことを特徴とする請求項2記載の樹脂ペーストの製造方
法。
3. The method according to claim 1, wherein the filler having an average filler surface area of 50 m 2 / g or more contained in the resin paste is 15 to 30 parts by weight based on 100 parts by weight of the heat-resistant resin solid content. 3. The method for producing a resin paste according to item 2.
【請求項4】 樹脂ペーストのチタネート系カップリン
グ剤の疎水基の側鎖有機官能基にリン酸分子を含むチタ
ネート系カップリング剤であることを特徴とする請求項
1、2又は3記載の樹脂ペーストの製造方法。
4. The resin according to claim 1, wherein the resin is a titanate coupling agent containing a phosphoric acid molecule in a side chain organic functional group of a hydrophobic group of the titanate coupling agent of the resin paste. Method of producing paste.
【請求項5】 樹脂ペーストのチタネート系カップリン
グ剤の配合量が、耐熱性樹脂固形分100重量部に対し
て0.5重量部〜5重量部である請求項4記載の樹脂ペ
ーストの製造方法。
5. The method for producing a resin paste according to claim 4, wherein the amount of the titanate coupling agent in the resin paste is 0.5 to 5 parts by weight based on 100 parts by weight of the heat-resistant resin solids. .
【請求項6】 請求項1〜5のいずれかの製造方法によ
り得られる樹脂ペースト。
6. A resin paste obtained by the production method according to claim 1.
JP2001175731A 2001-06-11 2001-06-11 Resin paste and method for producing the same Pending JP2002363424A (en)

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Country Link
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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US9074778B2 (en) 2009-11-04 2015-07-07 Ssw Holding Company, Inc. Cooking appliance surfaces having spill containment pattern

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH07330950A (en) * 1994-06-01 1995-12-19 Hitachi Chem Co Ltd Paste composition and semiconductor device made by using the same
JPH09331141A (en) * 1996-06-13 1997-12-22 Matsushita Electric Ind Co Ltd Conductive paste
JPH11186106A (en) * 1997-12-17 1999-07-09 Hitachi Chem Co Ltd Paste composition for solid electrolyte and manufacture of solid electrolytic capacitor using this composition
JPH11274377A (en) * 1998-03-24 1999-10-08 Hitachi Chem Co Ltd Paste composition and semiconductor device using the same
JP2000256618A (en) * 1999-03-05 2000-09-19 Hitachi Chem Co Ltd Resin composition and film-forming material comprising same
JP2001302807A (en) * 2000-04-18 2001-10-31 Hitachi Chem Co Ltd Method for producing resin paste, and resin paste

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH07330950A (en) * 1994-06-01 1995-12-19 Hitachi Chem Co Ltd Paste composition and semiconductor device made by using the same
JPH09331141A (en) * 1996-06-13 1997-12-22 Matsushita Electric Ind Co Ltd Conductive paste
JPH11186106A (en) * 1997-12-17 1999-07-09 Hitachi Chem Co Ltd Paste composition for solid electrolyte and manufacture of solid electrolytic capacitor using this composition
JPH11274377A (en) * 1998-03-24 1999-10-08 Hitachi Chem Co Ltd Paste composition and semiconductor device using the same
JP2000256618A (en) * 1999-03-05 2000-09-19 Hitachi Chem Co Ltd Resin composition and film-forming material comprising same
JP2001302807A (en) * 2000-04-18 2001-10-31 Hitachi Chem Co Ltd Method for producing resin paste, and resin paste

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US9074778B2 (en) 2009-11-04 2015-07-07 Ssw Holding Company, Inc. Cooking appliance surfaces having spill containment pattern

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