JPS5935927A - Injection molding method for polyimide base resin compound - Google Patents
Injection molding method for polyimide base resin compoundInfo
- Publication number
- JPS5935927A JPS5935927A JP14497482A JP14497482A JPS5935927A JP S5935927 A JPS5935927 A JP S5935927A JP 14497482 A JP14497482 A JP 14497482A JP 14497482 A JP14497482 A JP 14497482A JP S5935927 A JPS5935927 A JP S5935927A
- Authority
- JP
- Japan
- Prior art keywords
- injection molding
- base resin
- inorganic filler
- polyimide resin
- type extruder
- 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
- 229920001721 polyimide Polymers 0.000 title claims abstract description 17
- 238000001746 injection moulding Methods 0.000 title claims abstract description 10
- 150000001875 compounds Chemical class 0.000 title claims description 11
- 239000011347 resin Substances 0.000 title abstract description 11
- 229920005989 resin Polymers 0.000 title abstract description 11
- 239000004642 Polyimide Substances 0.000 title abstract 3
- 239000011256 inorganic filler Substances 0.000 claims abstract description 12
- 229910003475 inorganic filler Inorganic materials 0.000 claims abstract description 12
- 239000000463 material Substances 0.000 claims abstract description 6
- 238000002347 injection Methods 0.000 claims abstract description 5
- 239000007924 injection Substances 0.000 claims abstract description 5
- 239000000203 mixture Substances 0.000 claims abstract description 5
- 238000000034 method Methods 0.000 claims abstract description 4
- 239000009719 polyimide resin Substances 0.000 claims description 14
- 239000003365 glass fiber Substances 0.000 abstract description 4
- 238000002156 mixing Methods 0.000 abstract description 3
- CJZGTCYPCWQAJB-UHFFFAOYSA-L calcium stearate Chemical compound [Ca+2].CCCCCCCCCCCCCCCCCC([O-])=O.CCCCCCCCCCCCCCCCCC([O-])=O CJZGTCYPCWQAJB-UHFFFAOYSA-L 0.000 abstract description 2
- 239000008116 calcium stearate Substances 0.000 abstract description 2
- 235000013539 calcium stearate Nutrition 0.000 abstract description 2
- 239000000314 lubricant Substances 0.000 abstract description 2
- 238000004519 manufacturing process Methods 0.000 description 4
- 238000010438 heat treatment Methods 0.000 description 3
- XQUPVDVFXZDTLT-UHFFFAOYSA-N 1-[4-[[4-(2,5-dioxopyrrol-1-yl)phenyl]methyl]phenyl]pyrrole-2,5-dione Chemical compound O=C1C=CC(=O)N1C(C=C1)=CC=C1CC1=CC=C(N2C(C=CC2=O)=O)C=C1 XQUPVDVFXZDTLT-UHFFFAOYSA-N 0.000 description 2
- 229920003192 poly(bis maleimide) Polymers 0.000 description 2
- VBICKXHEKHSIBG-UHFFFAOYSA-N 1-monostearoylglycerol Chemical compound CCCCCCCCCCCCCCCCCC(=O)OCC(O)CO VBICKXHEKHSIBG-UHFFFAOYSA-N 0.000 description 1
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- 229920000049 Carbon (fiber) Polymers 0.000 description 1
- DCXXMTOCNZCJGO-UHFFFAOYSA-N Glycerol trioctadecanoate Natural products CCCCCCCCCCCCCCCCCC(=O)OCC(OC(=O)CCCCCCCCCCCCCCCCC)COC(=O)CCCCCCCCCCCCCCCCC DCXXMTOCNZCJGO-UHFFFAOYSA-N 0.000 description 1
- 239000004917 carbon fiber Substances 0.000 description 1
- 239000006185 dispersion Substances 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 229910002804 graphite Inorganic materials 0.000 description 1
- 239000010439 graphite Substances 0.000 description 1
- 150000003949 imides Chemical class 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 229920000728 polyester Polymers 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- XOOUIPVCVHRTMJ-UHFFFAOYSA-L zinc stearate Chemical compound [Zn+2].CCCCCCCCCCCCCCCCCC([O-])=O.CCCCCCCCCCCCCCCCCC([O-])=O XOOUIPVCVHRTMJ-UHFFFAOYSA-L 0.000 description 1
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
- B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
- B29C45/0001—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor characterised by the choice of material
-
- 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
- B29K2079/00—Use of polymers having nitrogen, with or without oxygen or carbon only, in the main chain, not provided for in groups B29K2061/00 - B29K2077/00, as moulding material
Landscapes
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Mechanical Engineering (AREA)
- Injection Moulding Of Plastics Or The Like (AREA)
Abstract
Description
【発明の詳細な説明】
［発明の技術分野］
本発明はポリイミド系樹脂コンパウンドの射出成形法に
関する。DETAILED DESCRIPTION OF THE INVENTION [Technical Field of the Invention] The present invention relates to an injection molding method for polyimide resin compounds.
［発明の技術的背景とその問題点］
近年、ポリアミノビスマレイミド樹脂等のポリイミド系
樹脂からなる成形品は、その優れた耐熱性のために種々
の分野て゛使用が期待され（いる。[Technical background of the invention and its problems] In recent years, molded products made of polyimide resins such as polyamino bismaleimide resins are expected to be used in various fields due to their excellent heat resistance.
しかしながらこれらの樹脂に無機質充填剤、例えばガラ
ス繊維を多聞に配合した場合、その混線の困難さのため
に月利［１スが多い、製造歩留が悪い等の理由により無
機質充填剤を多量【こ配合した成形品の製造【ま困Ｍで
゛あった。とりわけ生産性の大きい割出成形にＪ、る製
造は回動で゛あった、。However, when a large amount of inorganic filler, such as glass fiber, is blended with these resins, the difficulty of cross-contact leads to a large amount of inorganic filler being added due to reasons such as a high monthly production rate and poor manufacturing yield. Manufacturing of molded products containing this mixture was difficult. Particularly in index molding, which has high productivity, manufacturing was based on rotation.
［発明の目的］
本発明はこのような事情からなされたもので、無機質充
填剤を多量に含むポリイミド系樹脂で］ンパウンドの射
出成形法において、生産性が高く、高品質の成形品が１
ｑられる射出成形７人を提供しようとするものＣある。[Objective of the Invention] The present invention has been made in view of the above circumstances, and it is possible to produce high-quality molded products with high productivity in the compound injection molding method using a polyimide resin containing a large amount of inorganic filler.
There is one that attempts to provide injection molding for seven people.
［発明の概要１
本発明のポリイミド系樹脂コンパウンドの射出成形法は
、ポリイミド系樹脂と無機質充填剤とを主成分とするト
ライブレンド物をプランジャータイプの押出機に供給し
Ｃ一旦加熱し、半溶融状態で加Ｉ］−押出し、これをイ
のまま連続的にスクリュータイプの割出成形機に供給し
てＩＪＪ出成形Ｊ−ることを特徴としくいる１゜
本発明に使用−りるポリ・イミ１−系樹脂としては、ポ
リアミノじ゛スマ１ノイミド樹脂等があり、また無機質
充填剤どじＣは、ガラス繊維、カーボン繊維、グラフア
イ１〜、四ヨ酸化畝等がある。この無機質充填剤の配合
ｆｆｉ ＣＬポリイミド系樹脂１００重量部に対しく
！うＯ重量部数１．が好ましい。[Summary of the Invention 1] The injection molding method for a polyimide resin compound of the present invention involves supplying a triblend material containing a polyimide resin and an inorganic filler as main components to a plunger type extruder, heating it once, and then semi-heating it. The 1 degree polyester used in the present invention is characterized in that it is extruded in a molten state and then continuously fed as it is to a screw type indexing machine for IJJ extrusion molding.・Imide resins include polyamino diminide resins, and examples of inorganic fillers include glass fibers, carbon fibers, graphite 1~, tetraiooxide ribs, and the like. The composition of this inorganic filler ffi is based on 100 parts by weight of CL polyimide resin.
! Number of parts by weight: 1. is preferred.
本発明において１．上、まり゛ポリイミド系樹脂と無機
質充填剤とをトライブレンドＪるが、この時ステアリン
酸カルシウム、ステアリン酸亜鉛等の滑剤を添加しＣし
で行なうことが望ましい。トライブレンドの方法はミキ
サーあるいはアンダーロール式ブ］ノンダー等Ｃ′混合
する方法がある。In the present invention: 1. Above, the polyimide resin and the inorganic filler are triblended, but at this time it is desirable to add a lubricant such as calcium stearate or zinc stearate. Tri-blending methods include a C' mixing method such as a mixer or an under-roll type nonder.
次にこのドシイゾレンド物をプランジャ−タイプの押出
機の小ツバ−に１９人し、シリンダ一部を加熱しくシリ
ンダ一部内のポリイミド系樹脂コンパウンドを半溶融状
態に（）Ｃ加圧１ランジヤーにＪ、リダイスを通して紐
状に押出づ。この１１．’ｉの加熱３−
条件は１００へ・１２０℃、５〜１０分か適切−（・あ
り、この条件内で・樹脂の均一な半溶融状態が（Ｕられ
る。Next, put this doshiisolend product into the small barrel of a plunger-type extruder, and heat a part of the cylinder to make the polyimide resin compound in the cylinder a semi-molten state. Extrude it into a string through a redice. This 11. Heating 3 - Conditions: 100°C, 120°C, 5 to 10 minutes (appropriate) Within these conditions, the resin is in a uniform semi-molten state.
こうしく押出された樹脂二」ンバウンドを・、−ｆのま
ま連続的にスクリュータイプの射出成形機小ツバ−に投
入し、通常の方法で射出成形Ｊる、。The resin thus extruded is continuously fed into the small barrel of a screw-type injection molding machine, and then injection molded in the usual manner.
［発明の実施例１
次に本発明の実施例についＣ説明する１、ポリアミノビ
スマレイミド樹脂（イミダロイＫＩＲ−１０、東芝ケミ
カルネ１製）５０重量部、ガラス繊１５０重量部および
ステアリンｉｔ ７］ルシウム１重量部をミキサーでト
ライブレンドし、このトライブレンド物をプランジャー
タイプの押出機の粉用特殊小ツバ−に投入した。[Example 1 of the Invention] Next, an example of the present invention will be described. 1. 50 parts by weight of polyamino bismaleimide resin (Imidalloy KIR-10, manufactured by Toshiba Chemical Net 1), 150 parts by weight of glass fiber and stearin 7] Lucium 1 Parts by weight were triblended using a mixer, and the triblended product was charged into a special small flask for powder in a plunger type extruder.
次いＣ゛シリンダ一部１００℃で５分間加熱し、ゾラン
ジｐ−７：″加圧し−Ｃシリンダー内の半溶融状態の樹
脂コンパウンドを紐状に押出した。これをそのままスク
リュータイプの射出成形機小ツバ−に投入しＣ所定形状
のポリイミド系樹脂コンパウンドの成形品を製造した。Next, a part of the C cylinder was heated at 100°C for 5 minutes, and the semi-molten resin compound in the C cylinder was extruded into a string shape. A molded product of a polyimide resin compound having a predetermined shape was produced by putting it into a small container.
このようにしＣ得られ −
ノこ成形品（，１、刀うス械季１１の分散がＪ：り外観
も優れｌこ 〔）の Ｃ′ あ −） Ｉこ 。In this way, a saw-molded product (1) with excellent dispersion and excellent appearance was obtained.
１発明の効果］
以−１の説明から明らかイ１Ｊ、うに本発明の射出成形
ｉ人によれば、無機質充填剤を多ｈＡに含むポリイミド
系樹脂コンパウンドでも高い生産性のもとに高品質の成
形品を製造η−ることができる。1. Effects of the Invention] It is clear from the explanations in 1. According to the injection molders of the present invention, high quality can be achieved with high productivity even with polyimide resin compounds containing inorganic fillers in multi-hA. Molded articles can be manufactured.
→ ９ −→ 9 -
Claims (2)
るトライブレンド物をプランジャータイプの押出機に供
給して一旦加熱し、半溶融状態で加圧押出し、これをそ
のまま連続的にスクリュータイプの射出成形機に供給し
て射出成形することを特徴とするポリイミド系樹脂コン
パウンドの射出成形法。(1) A tri-blend material mainly composed of polyimide resin and inorganic filler is supplied to a plunger type extruder, heated once, and extruded under pressure in a semi-molten state, and then continuously as it is using a screw type extruder. An injection molding method for a polyimide resin compound, characterized in that the compound is supplied to an injection molding machine and then injection molded.
対して５０重歯部以上配合されている特許請求の範囲第
１項記載のポリイミド系樹脂コンパウンドの射出成形法
。(2) The method for injection molding a polyimide resin compound according to claim 1, wherein the inorganic filler is blended in an amount of 50 or more parts per 100 parts of the polyimide resin.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP14497482A JPS5935927A (en) | 1982-08-21 | 1982-08-21 | Injection molding method for polyimide base resin compound |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP14497482A JPS5935927A (en) | 1982-08-21 | 1982-08-21 | Injection molding method for polyimide base resin compound |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS5935927A true JPS5935927A (en) | 1984-02-27 |
Family
ID=15374524
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP14497482A Pending JPS5935927A (en) | 1982-08-21 | 1982-08-21 | Injection molding method for polyimide base resin compound |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS5935927A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS60235412A (en) * | 1984-05-08 | 1985-11-22 | Hitachi Powdered Metals Co Ltd | Manufacture of high-strength dust core |
| JPH1091032A (en) * | 1997-08-04 | 1998-04-10 | Ntn Corp | Production of separation pawl for copying machine |
| JPH1091031A (en) * | 1997-08-04 | 1998-04-10 | Ntn Corp | Production of separation pawl for copying machine |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS56123842A (en) * | 1980-03-05 | 1981-09-29 | Lion Corp | Method for injection molding of thermoplastic resins containing fillers |
-
1982
- 1982-08-21 JP JP14497482A patent/JPS5935927A/en active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS56123842A (en) * | 1980-03-05 | 1981-09-29 | Lion Corp | Method for injection molding of thermoplastic resins containing fillers |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS60235412A (en) * | 1984-05-08 | 1985-11-22 | Hitachi Powdered Metals Co Ltd | Manufacture of high-strength dust core |
| JPH0412605B2 (en) * | 1984-05-08 | 1992-03-05 | Hitachi Funmatsu Yakin Kk | |
| JPH1091032A (en) * | 1997-08-04 | 1998-04-10 | Ntn Corp | Production of separation pawl for copying machine |
| JPH1091031A (en) * | 1997-08-04 | 1998-04-10 | Ntn Corp | Production of separation pawl for copying machine |
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