JPS6051409B2 - Manufacturing method of vibration isolating material - Google Patents
Manufacturing method of vibration isolating materialInfo
- Publication number
- JPS6051409B2 JPS6051409B2 JP7276882A JP7276882A JPS6051409B2 JP S6051409 B2 JPS6051409 B2 JP S6051409B2 JP 7276882 A JP7276882 A JP 7276882A JP 7276882 A JP7276882 A JP 7276882A JP S6051409 B2 JPS6051409 B2 JP S6051409B2
- Authority
- JP
- Japan
- Prior art keywords
- resin
- molded body
- styrene
- injected
- mold cavity
- 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.)
- Expired
Links
- 238000004519 manufacturing process Methods 0.000 title claims description 8
- 239000000463 material Substances 0.000 title claims description 8
- 229920005989 resin Polymers 0.000 claims description 32
- 239000011347 resin Substances 0.000 claims description 32
- 229920000570 polyether Polymers 0.000 claims description 12
- 229920003048 styrene butadiene rubber Polymers 0.000 claims description 12
- 239000004721 Polyphenylene oxide Substances 0.000 claims description 11
- 238000013016 damping Methods 0.000 claims description 5
- 229920001971 elastomer Polymers 0.000 description 6
- 238000000034 method Methods 0.000 description 6
- 239000000806 elastomer Substances 0.000 description 5
- PPBRXRYQALVLMV-UHFFFAOYSA-N Styrene Chemical compound C=CC1=CC=CC=C1 PPBRXRYQALVLMV-UHFFFAOYSA-N 0.000 description 4
- 239000000853 adhesive Substances 0.000 description 3
- 230000001070 adhesive effect Effects 0.000 description 3
- 238000001816 cooling Methods 0.000 description 3
- 238000002347 injection Methods 0.000 description 3
- 239000007924 injection Substances 0.000 description 3
- 239000002184 metal Substances 0.000 description 3
- 239000002174 Styrene-butadiene Substances 0.000 description 2
- MTAZNLWOLGHBHU-UHFFFAOYSA-N butadiene-styrene rubber Chemical compound C=CC=C.C=CC1=CC=CC=C1 MTAZNLWOLGHBHU-UHFFFAOYSA-N 0.000 description 2
- 229920002857 polybutadiene Polymers 0.000 description 2
- 239000011115 styrene butadiene Substances 0.000 description 2
- 238000004140 cleaning Methods 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 229920001577 copolymer Polymers 0.000 description 1
- 230000003111 delayed effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 230000000116 mitigating effect Effects 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 239000005060 rubber Substances 0.000 description 1
- 230000035939 shock Effects 0.000 description 1
- 238000007711 solidification Methods 0.000 description 1
- 230000008023 solidification Effects 0.000 description 1
- 229920001897 terpolymer Polymers 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
- B29C45/16—Making multilayered or multicoloured articles
- B29C45/1635—Making multilayered or multicoloured articles using displaceable mould parts, e.g. retractable partition between adjacent mould cavities
-
- 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
- B29C45/16—Making multilayered or multicoloured articles
- B29C45/1676—Making multilayered or multicoloured articles using a soft material and a rigid material, e.g. making articles with a sealing part
Description
【発明の詳細な説明】 （発明の技術分野） 本発明は硬質のポリエーテル（以下Ｐ、Ｐ、Ｏと示す。[Detailed description of the invention] (Technical field of invention) The present invention uses hard polyethers (hereinafter referred to as P, P, and O).
）樹脂と軟質のスチレン−プタジエン共重合体（以下Ｓ
、Ｂ、Ｓと示す。）樹脂から成る特性の良好な防振材を
製造する方法に関する。（発明の技術的背景）
従来から種々の形状の防振材が振動の発生を防止し或い
は外部からの衝撃を緩和する目的で用いられているが、
これらはいずれも内側および外側の金属部分とこれらの
間に固着されたゴムのようなエラストマーの成形体部分
から構成されている。) resin and soft styrene-putadiene copolymer (hereinafter referred to as S
, B, and S. ) relates to a method of manufacturing a vibration isolating material made of resin with good properties; (Technical Background of the Invention) Vibration isolating materials of various shapes have been used for the purpose of preventing vibrations from occurring or mitigating external shocks.
Each of these consists of inner and outer metal parts and a molded part of an elastomer, such as rubber, secured between them.
ーー、 一 一 一 警 −ｊ、ｆ７＋、喜、１−■■
■↓↓ ナ 魯瞥１ ゛生一ト プ 、デ 、↓ ノー
■■ゝ一 部分の表面を清浄にしてこれに接着剤を塗
布した後これを型に入れてエラストマーを注入し全体を
加熱してエラストマーを完全に硬化させる方法が採られ
ている。---, one one one police -j, f7+, joy, 1-■■
■↓↓ NA Lubetsu 1 ゛生一TOP , DE , ↓ NO■■ゝ1 After cleaning the surface of the part and applying adhesive to it, put it in a mold, inject the elastomer, and heat the whole thing. The method used is to completely cure the elastomer.
（背景技術の問題点）
しかしながら従来からのこのような方法では、工程が複
雑で生産性が悪いばかりでなく、製造コストが高くつく
ので廉価な製品を提供することができないという欠点が
あつた。(Problems with Background Art) However, such conventional methods have the drawback that not only are the processes complicated and productivity is low, but also that manufacturing costs are high, making it impossible to provide inexpensive products.
また金属部分と千ラストマー部分とを完全に接着するた
めのエラストマーの成形温度および圧力条件の設定が難
しく、長期間の使用に耐える高品質の製品を得ることが
難しいという問題があつた。Furthermore, it is difficult to set the molding temperature and pressure conditions for the elastomer in order to completely bond the metal part and the elastomer part, making it difficult to obtain a high-quality product that can be used for a long period of time.
（発明の目的）
本発明はこれらの問題を解決するためになされたもので
、金属に代えてポリエーテル樹脂を用いた高品質の防振
材を簡単な工程をくり返すことにより能率よく製造する
方法を提供することを目的Ｊとする。(Purpose of the invention) The present invention was made to solve these problems, and is to efficiently manufacture a high-quality vibration damping material using polyether resin instead of metal by repeating a simple process. The purpose is to provide a method.
（発明の概要）
本発明は同心状で相互に隔離された第１および第２の型
キャビティ内に加熱溶融させたポリエーテル樹脂をそれ
ぞれ加圧して同時に射出し、該樹丁脂が最大硬さまで固
化する前にこれらの型キヤビテイの間に配置された第３
の型キャビティ内に加熱溶融させたスチレン−ブタジエ
ン共重合体樹脂を加圧して射出し次いで冷却して、これ
らの樹脂から成る第１の成形体部分と第３の成形体部分
、および第２の成形体部分と第３の成形体部分をそれぞ
れ直接に溶融接合して成ることを特徴とするポリエーテ
ル樹脂とスチレン−ブタジエン共重合体樹脂から成る防
振材の製造方法に関する。(Summary of the Invention) The present invention involves pressurizing and simultaneously injecting heated and melted polyether resin into first and second mold cavities that are concentric and separated from each other until the resin reaches maximum hardness. A third mold cavity placed between these mold cavities before solidification
A heated and melted styrene-butadiene copolymer resin is injected under pressure into the mold cavity, and then cooled to form a first molded body portion, a third molded body portion, and a second molded body portion made of these resins. The present invention relates to a method for manufacturing a vibration damping material made of a polyether resin and a styrene-butadiene copolymer resin, characterized in that a molded body part and a third molded body part are each directly melt-bonded.
本発明においては、まず第１および第２の型キャビティ
内に約３００℃に加熱して溶融させたポリエーテル樹脂
を最大７０ｋ９／ｄの圧力を１０〜托秒間かけて射出し
、１〜２秒後にこれらの間に位置する第３の型キャビテ
ィを開放しここに約２００℃に加熱したスチレン−ブタ
ジエン共重合体樹脂を最大７０〜９０ｋ９／Ｃｌｌの圧
力を１０〜拓秒間かけて射出成形する。本発明において
このようにスチレン−ブタジエン共重合体樹脂を射出す
る時間を１〜２秒間遅らせたのは、第１および第２の型
キャビティに射出されたポリエーテル樹脂が未だ熱くか
つ固化した状態の時にスチレン−ブタジエン共重合体樹
脂を射出するためであり、このようにすることにより両
者は相互混合成いは相互拡散することなくはつきり定ま
つた境界（接合面）をもち、極めて強固な接着が達成さ
れることになる。In the present invention, first, a polyether resin heated to about 300°C and melted is injected into the first and second mold cavities under a maximum pressure of 70k9/d for 10 to 10 seconds. Afterwards, a third mold cavity located between them is opened, and a styrene-butadiene copolymer resin heated to about 200 DEG C. is injection molded therein under a maximum pressure of 70 to 90 k9/Cl for 10 to 10 seconds. In the present invention, the injection time of the styrene-butadiene copolymer resin is delayed for 1 to 2 seconds because the polyether resin injected into the first and second mold cavities is still hot and solidified. This is because styrene-butadiene copolymer resin is sometimes injected, and by doing this, the two do not intermix or interdiffuse, but have a defined boundary (joint surface) and are extremely strong. Adhesion will be achieved.
本発明においてはスチレン−ブタジエン共重合体樹脂の
射出が終了した後全体を急冷或いは徐冷して完全に固化
させるが、製造能率向上の観点からは冷却速度は速にほ
どよい。In the present invention, after the injection of the styrene-butadiene copolymer resin is completed, the entire resin is rapidly or slowly cooled to completely solidify it, but from the viewpoint of improving production efficiency, the cooling rate should be as fast as possible.
冷却開始から２０〜４＠）後に約２０℃の常温に達す！
るように、型を外側から冷却する等の方法で強制的に冷
却するのが好ましい。It reaches room temperature of about 20℃ after 20~4＠) from the start of cooling!
It is preferable to forcibly cool the mold by cooling the mold from the outside or the like so that the mold is cooled.
（発明の実施例）
実施例
第１図に示すような同心状で相互に隔離されたｊ第１の
型キャビティ１と第２の型キャビティ２内に、約３００
℃に加熱して溶融させたポリエーテル樹脂３を、最大７
０ｋ９／Ｃｌｉの高圧を１１秒間かけ次いで１０ｋ９／
Ｃｌｔの低圧を６秒間かけて射出した後、１秒後にコア
４を第２図に示す位置まで後退させて第３の型キャビテ
ィ５を開放し、ここに約２００に加熱して溶融させたス
チレン−ブタジエン樹脂６を、最大８５ｋ９／ｃイの高
圧を１鍬間かけ次いで１０ｋ９／Ｃｌｔの低圧を５秒間
かけて射出した。(Embodiment of the Invention) Embodiment As shown in FIG.
Polyether resin 3 heated and melted at ℃ is heated to a maximum of 7
A high pressure of 0k9/Cli was applied for 11 seconds, and then 10k9/Cli was applied for 11 seconds.
After injecting CLT under low pressure for 6 seconds, the core 4 is retracted after 1 second to the position shown in Figure 2 to open the third mold cavity 5, where styrene heated to about 200℃ and melted is injected. -Butadiene resin 6 was injected under high pressure of up to 85k9/c for one hoe period and then under low pressure of 10k9/Clt for 5 seconds.
次に全体を室温まで冷却してから型を開放し成ｊ形体を
取り出した。得られた成形体におけるポリエーテル樹脂
部分とスチレン−ブタジエン樹脂部分の接着力をオート
グラフ試験機により測定した結果、２８．６ｋｇ／Ｃｆ
ｌの値が得られた。Next, the whole was cooled to room temperature, the mold was opened, and the molded body was taken out. The adhesive force between the polyether resin part and the styrene-butadiene resin part in the obtained molded body was measured using an autograph tester, and the result was 28.6 kg/Cf.
The value of l was obtained.
また比較のためにスチレン−ブタジエン共重体樹脂の代
わりにスチレン−ブタジエン三元重合体樹脂を用いる以
外は実施例と全く同様にして成形体を製造した。For comparison, a molded article was produced in exactly the same manner as in the example except that a styrene-butadiene terpolymer resin was used instead of the styrene-butadiene copolymer resin.
この成形体における両樹脂部分の接着力は、７．１ｋ９
／ｃイと実施例で得られた成形体のそれの１１４以下の
値であつた。The adhesive force between both resin parts in this molded body is 7.1k9
The value of /c was 114 or less than that of the molded product obtained in the example.
（発明の効果）
以上の実施例からも明らかなように、本発明の製造方法
によれば、硬質のポリエーテル樹脂と軟質のスチレン−
ブタジエン樹脂からなる防振材を能率よく大量生産する
ことができる。(Effects of the Invention) As is clear from the above examples, according to the production method of the present invention, hard polyether resin and soft styrene
Vibration damping materials made of butadiene resin can be efficiently mass-produced.
また得られた防振材も樹脂相互の接着性が極めて良く長
期間の使用に耐えるものである。The obtained vibration damping material also has extremely good adhesion between the resins and can withstand long-term use.
第１図および第２図は本発明の実施例の説明図であり、
第１図はポリエーテル樹脂を射出する工程を示し、第２
図は第３の型キャビティを開放してスチレン−ブタジエ
ン共重合体樹脂を射出する工程を示す。
３・・・・・ポリエーテル樹脂、４・・・・・・コア、
６・・・スチレン−ブタジエン共重合体樹脂。FIGS. 1 and 2 are explanatory diagrams of embodiments of the present invention,
Figure 1 shows the process of injecting polyether resin;
The figure shows the step of opening the third mold cavity and injecting the styrene-butadiene copolymer resin. 3...Polyether resin, 4...Core,
6...Styrene-butadiene copolymer resin.
Claims (1)
び第２の型キャビティ内に加熱溶融させたポリエーテル
樹脂をそれぞれ同時に射出し、該樹脂が若干硬化し最大
硬さに達する前に、上記第１および第２の型キャビティ
の間に配置された第３の型キャビティ内に加熱溶融させ
たスチレン−ブタジエン共重合体樹脂を射出して成形体
とし、これらの樹脂から成る第１および第２成形体部分
と第３成形体部分をそれぞれ直接に接合して成ることを
特徴とする防振材の製造方法。1. Polyether resin heated and melted is simultaneously injected into a first mold cavity and a second mold cavity which are concentrically separated from each other, and before the resin slightly hardens and reaches maximum hardness, the above-mentioned A heated and melted styrene-butadiene copolymer resin is injected into a third mold cavity disposed between the first and second mold cavities to form a molded body, and first and second molds made of these resins are injected. A method for producing a vibration damping material, comprising directly joining a molded body part and a third molded body part.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP7276882A JPS6051409B2 (en) | 1982-04-30 | 1982-04-30 | Manufacturing method of vibration isolating material |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP7276882A JPS6051409B2 (en) | 1982-04-30 | 1982-04-30 | Manufacturing method of vibration isolating material |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS58188639A JPS58188639A (en) | 1983-11-04 |
| JPS6051409B2 true JPS6051409B2 (en) | 1985-11-13 |
Family
ID=13498879
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP7276882A Expired JPS6051409B2 (en) | 1982-04-30 | 1982-04-30 | Manufacturing method of vibration isolating material |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6051409B2 (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6218602U (en) * | 1985-07-18 | 1987-02-04 | ||
| JPS6347210U (en) * | 1986-09-12 | 1988-03-30 |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH05169491A (en) * | 1991-12-19 | 1993-07-09 | Koito Mfg Co Ltd | Manufacturing method and apparatus of lamp body brim rubber |
-
1982
- 1982-04-30 JP JP7276882A patent/JPS6051409B2/en not_active Expired
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6218602U (en) * | 1985-07-18 | 1987-02-04 | ||
| JPS6347210U (en) * | 1986-09-12 | 1988-03-30 |
Also Published As
| Publication number | Publication date |
|---|---|
| JPS58188639A (en) | 1983-11-04 |
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