JPH0938966A - Thermosetting resin molding material - Google Patents
Thermosetting resin molding materialInfo
- Publication number
- JPH0938966A JPH0938966A JP7190939A JP19093995A JPH0938966A JP H0938966 A JPH0938966 A JP H0938966A JP 7190939 A JP7190939 A JP 7190939A JP 19093995 A JP19093995 A JP 19093995A JP H0938966 A JPH0938966 A JP H0938966A
- Authority
- JP
- Japan
- Prior art keywords
- molding material
- thermosetting resin
- resin molding
- weight
- particles
- 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
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29B—PREPARATION OR PRETREATMENT OF THE MATERIAL TO BE SHAPED; MAKING GRANULES OR PREFORMS; RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIAL CONTAINING PLASTICS
- B29B9/00—Making granules
- B29B9/12—Making granules characterised by structure or composition
Abstract
Description
【０００１】[0001]
【発明の属する技術分野】本発明はフェノール樹脂、ア
ミノ樹脂、ポリエステル樹脂、エポキシ樹脂等の熱硬化
性樹脂成形材料に関するものである。TECHNICAL FIELD The present invention relates to a thermosetting resin molding material such as a phenol resin, an amino resin, a polyester resin or an epoxy resin.
【０００２】[0002]
【従来の技術】フェノール樹脂、アミノ樹脂、ポリエス
テル樹脂、エポキシ樹脂等の熱硬化性樹脂成形材料は、
熱硬化性樹脂、無機又は有機の充填材、硬化剤等を配合
し、反応させ、混練押出機でシート状に押出し、冷却し
た後に、粉砕機で粉砕している。2. Description of the Related Art Thermosetting resin molding materials such as phenol resin, amino resin, polyester resin and epoxy resin are
A thermosetting resin, an inorganic or organic filler, a curing agent, etc. are blended, reacted, extruded into a sheet by a kneading extruder, cooled, and then pulverized by a pulverizer.
【０００３】[0003]
【発明が解決しようとする課題】しかし、従来この粉砕
機で粉砕された成形材料は、その形状や大きさが不特定
であると共に、鋭角な部分は材料取扱いの際、衝撃を受
けて欠ける。この欠け落ちた粉塵が周囲に飛散するた
め、作業環境の悪化が問題となっている。However, the molding material conventionally crushed by this crusher has an unspecified shape and size, and an acute-angled portion is chipped due to impact during material handling. Since the dust that has fallen off is scattered around, the deterioration of the working environment becomes a problem.
【０００４】本発明は上記事実に鑑みてなされたもの
で、その目的とするところは、取扱いの際に粉塵の発生
が起きない熱硬化性樹脂成形材料を提供することにあ
る。The present invention has been made in view of the above facts, and an object thereof is to provide a thermosetting resin molding material in which dust is not generated during handling.
【０００５】さらに、上記成形材料を用いた成形品は、
曲げ強度や引っ張り強さ等の機械性の強度の向上が求め
られている。本発明の他の目的とするところは、曲げ強
度や引っ張り強さの向上する成形品が得られる熱硬化性
樹脂成形材料を提供することにある。Further, a molded product using the above molding material is
Improvement of mechanical strength such as bending strength and tensile strength is required. Another object of the present invention is to provide a thermosetting resin molding material that can provide a molded product with improved bending strength and tensile strength.
【０００６】[0006]
【課題を解決するための手段】本発明の請求項１に係る
熱硬化性樹脂成形材料は、熱硬化性樹脂、無機又は有機
の充填材、硬化剤を含有した混練物を切断した成形材料
であって、上記成形材料中に、高さが１〜１０ｍｍ、直
径が２〜１２ｍｍの略円筒形の粒子を８０重量％以上含
有していることを特徴とする。The thermosetting resin molding material according to claim 1 of the present invention is a molding material obtained by cutting a kneaded material containing a thermosetting resin, an inorganic or organic filler, and a curing agent. It is characterized in that the molding material contains 80% by weight or more of substantially cylindrical particles having a height of 1 to 10 mm and a diameter of 2 to 12 mm.
【０００７】本発明の請求項２に係る熱硬化性樹脂成形
材料は、請求項１記載の熱硬化性樹脂成形材料におい
て、上記成形材料中に８３メッシュを通過する粒子が
１．０重量％以内であることを特徴とする。The thermosetting resin molding material according to claim 2 of the present invention is the thermosetting resin molding material according to claim 1, wherein particles passing through 83 mesh in the molding material are within 1.0% by weight. Is characterized in that.
【０００８】[0008]
【発明の実施の形態】本発明の熱硬化性樹脂成形材料
は、金型成形等により成形品を作製するものである。上
記熱硬化性樹脂成形材料の構成材料としては、熱硬化性
樹脂、無機又は有機の充填材、硬化剤等が挙げられる。
上記熱硬化性樹脂としては、例えば、フェノール樹脂、
アミノ樹脂、ポリエステル樹脂、エポキシ樹脂等が挙げ
られる。上記無機又は有機の充填材とては、ガラス繊維
等の無機物、木粉やパルプ等の有機物が挙げられる。硬
化剤は熱硬化性樹脂の種類により適宜選択される。その
他、必要により、離型剤、顔料等を含有してもよい。BEST MODE FOR CARRYING OUT THE INVENTION The thermosetting resin molding material of the present invention is used to manufacture a molded product by die molding or the like. Examples of the constituent material of the thermosetting resin molding material include a thermosetting resin, an inorganic or organic filler, and a curing agent.
The thermosetting resin, for example, a phenol resin,
Examples thereof include amino resins, polyester resins, epoxy resins and the like. Examples of the inorganic or organic filler include inorganic substances such as glass fiber and organic substances such as wood flour and pulp. The curing agent is appropriately selected depending on the type of thermosetting resin. In addition, a release agent, a pigment or the like may be contained if necessary.
【０００９】本発明の熱硬化性樹脂成形材料は、上記材
料を含有した混練物を切断した成形材料中に、高さが１
〜１０ｍｍ、直径が２〜１２ｍｍの略円筒形の粒子を８
０重量％以上含有している。上記略円筒形の形状とは、
円筒形をはじめ、上下面が円、楕円、さらには平面、曲
面でもよく、側面も曲面状の角張っていない限り、すべ
ての形状も含むものである。上記略円筒形からなる粒子
を材料中に８０重量％以上含有していると、材料取扱い
の際、衝撃を受けても、成形材料に欠けが生じないた
め、粉塵の飛散が低減する。その結果、良好な作業環境
が維持される。The thermosetting resin molding material of the present invention has a height of 1 in the molding material obtained by cutting the kneaded material containing the above material.
8 ~ 10 mm, a diameter of 2 ~ 12 mm of substantially cylindrical particles
Contains 0% by weight or more. With the above-mentioned substantially cylindrical shape,
In addition to the cylindrical shape, the upper and lower surfaces may be circles, ellipses, and even flat surfaces and curved surfaces, and all the shapes are included unless the side surfaces are curved. When the material having the above-mentioned substantially cylindrical particles is contained in an amount of 80% by weight or more, chipping does not occur in the molding material even when an impact is applied during handling of the material, so that scattering of dust is reduced. As a result, a good working environment is maintained.
【００１０】さらに、粒度分布において、８３メッシュ
のふるいを通過する粒子は、微細なため飛散し易いの
で、成形材料中にこの８３メッシュを通過する粒子が
１．０重量％以内であることが好ましい。Further, in the particle size distribution, particles passing through a 83-mesh screen are fine and easily scattered, so that the amount of particles passing through the 83-mesh in the molding material is preferably within 1.0% by weight. .
【００１１】本発明の熱硬化性樹脂成形材料を得るに
は、例えば、ロール式の連続混練押出機で混練押出しし
た後に、多数の孔を設けたシリンダドラムをロール表面
に押しつけ、孔から出てきた混練物を固定刃で切断する
等の方法が挙げられる。To obtain the thermosetting resin molding material of the present invention, for example, after kneading and extruding with a roll-type continuous kneading extruder, a cylinder drum having a large number of holes is pressed against the roll surface, and comes out from the holes. Examples of the method include cutting the kneaded product with a fixed blade.
【００１２】さらに、本発明の熱硬化性樹脂成形材料は
粒子の形状が略円筒形と均一であるため、この成形材料
を用いると、曲げ強度や引っ張り強さ等の機械性の強度
が良好な成形品を得ることができる。Further, since the thermosetting resin molding material of the present invention has a substantially cylindrical particle shape, when this molding material is used, mechanical strength such as bending strength and tensile strength is excellent. A molded product can be obtained.
【００１３】[0013]
実施例１ 熱硬化性樹脂としてノボラック系フェノール樹脂を３０
重量％、無機の充填材としてガラス繊維を４０重量％、
無機鉱物であるウォラストナイトを１５重量％、硬化剤
としてヘキサメチレンテトラミンを５重量％、添加材と
して顔料等を１０重量％用いた。上記材料を二軸ロール
式の連続混練押出機（三井鉱山株式会社製）に投入し、
前ロールを１００℃、４０ｒｐｍ、後ロールを４０℃、
４０ｒｐｍ、ロール間隙１．５ｍｍの条件で混練押出
し、孔径が４ｍｍの多数の孔を設けた８０℃のシリンダ
ドラムをロール表面に押しつけ、混練物が長さ５〜８ｍ
ｍ孔から出てきたところで固定刃で切断し、略円筒形の
粒子からなるフェノール樹脂成形材料を得た。Example 1 As a thermosetting resin, 30 novolac-based phenol resin was used.
% By weight, 40% by weight of glass fiber as an inorganic filler,
Wollastonite, which is an inorganic mineral, was used in an amount of 15% by weight, hexamethylenetetramine as a curing agent in an amount of 5% by weight, and a pigment and the like in an amount of 10% by weight. The above materials were charged into a twin-screw type continuous kneading extruder (manufactured by Mitsui Mining Co., Ltd.)
The front roll is 100 ° C, 40 rpm, the rear roll is 40 ° C,
The mixture was kneaded and extruded under the conditions of 40 rpm and a roll gap of 1.5 mm, and a cylinder drum at 80 ° C. having a large number of holes with a diameter of 4 mm was pressed against the roll surface, so that the kneaded product was 5 to 8 m long
When it came out from the m hole, it was cut with a fixed blade to obtain a phenol resin molding material composed of substantially cylindrical particles.
【００１４】比較例１ 実施例１と同様の材料を用い、これら材料をミキサーに
投入し、混合した後にロール式混練機により、厚さ４ｍ
ｍのシートに押出した。このシートを冷却した後に粉砕
機に投入し、粉砕した。Comparative Example 1 The same materials as in Example 1 were used, and these materials were put into a mixer and mixed, and then a roll type kneader was used to obtain a thickness of 4 m.
m sheet. After cooling this sheet, it was put into a crusher and crushed.
【００１５】上記実施例１と比較例１の評価は次のよう
に行った。得られた実施例１と比較例１の作製直後の粒
子の分布を検査した。１０メッシュ、１６メッシュ、３
０メッシュ、５０メッシュ、８３メッシュのふるいを用
い、それぞれ未通過、及び、８３メッシュを通過した粒
子の重量比率を測定した。結果は表１に示す如く、実施
例１は９９．４重量％が１０メッシュのふるいを未通過
であったのに対し、比は７７．２重量％であった。次
に、実施例１及び比較例１の成形材料を、直径６００ｍ
ｍ長さ７００ｍｍのヘンシェルミキサー（三井鉱山株式
会社製）に入れ、羽根周速５ｍ／ｓ、時間５分間の条件
で混合、衝撃を与えた。その後、粒子の分布を検査し
た。結果は表１に示す如く、実施例１は作製直後８３メ
ッシュを通過した粒子の割合が０．３４重量％から０．
７２重量％のわずかな変化であったのに対し、比較例１
は２．５０重量％から４．２１重量％と大幅に増加し
た。The evaluations of Example 1 and Comparative Example 1 were performed as follows. Immediately after the production of the obtained Example 1 and Comparative Example 1, the distribution of particles was examined. 10 mesh, 16 mesh, 3
Using a 0 mesh, 50 mesh, and 83 mesh sieve, the weight ratio of the particles that did not pass and the particles that passed through the 83 mesh were measured. As shown in Table 1, in Example 1, 99.4% by weight had not passed through the 10-mesh sieve, whereas the ratio was 77.2% by weight. Next, the molding materials of Example 1 and Comparative Example 1 were treated with a diameter of 600 m.
The mixture was placed in a Henschel mixer (manufactured by Mitsui Mining Co., Ltd.) having a length of 700 mm and mixed and impacted under the conditions of a blade peripheral speed of 5 m / s and a time of 5 minutes. After that, the distribution of particles was inspected. The results are shown in Table 1. In Example 1, the ratio of the particles that passed through the 83 mesh immediately after the production was 0.34% by weight to 0.
It was a slight change of 72% by weight, while Comparative Example 1
Was significantly increased from 2.50% by weight to 4.21% by weight.
【００１６】次に、実施例１及び比較例１のフェノール
樹脂成形材料を用い射出成形を行った。この成形品をＪ
ＩＳ−Ｋ−６９１１に基づいて曲げ強さ、及び、引っ張
り強さを測定した。４個測定し平均を求めたところ、曲
げ強さは実施例１が１４．３６ｋｇｆ／ｍｍ2 、比較例
１が１０．８２ｋｇｆ／ｍｍ2 であった。引っ張り強さ
は実施例１が７．５１ｋｇｆ／ｍｍ2 、比較例１が６．
０６ｋｇｆ／ｍｍ2 であった。いずれも機械性の強度が
向上していた。Next, injection molding was performed using the phenolic resin molding materials of Example 1 and Comparative Example 1. This molded product is J
Bending strength and tensile strength were measured based on IS-K-6911. 4 was measured to determine the average bending strength of Example 1 is 14.36kgf / mm 2, Comparative Example 1 was 10.82kgf / mm 2. The tensile strength was 7.51 kgf / mm 2 in Example 1 and 6.5 in Comparative Example 1.
It was 06 kgf / mm 2 . In both cases, the mechanical strength was improved.
【００１７】[0017]
【表１】 [Table 1]
【００１８】[0018]
【発明の効果】本発明の請求項１又は請求項２に係る熱
硬化性樹脂成形材料は、材料取扱いの際、衝撃を受けて
も粉塵が周囲に飛散することがなく、作業環境が良好な
状態で維持される。EFFECTS OF THE INVENTION The thermosetting resin molding material according to claim 1 or 2 of the present invention has a good working environment in which dust is not scattered around even when an impact is applied when the material is handled. Maintained in a state.
【００１９】さらに、本発明の熱硬化性樹脂成形材料を
用いて成形した成形品は、機械性の強度が向上する。Further, the molded article molded using the thermosetting resin molding material of the present invention has improved mechanical strength.
───────────────────────────────────────────────────── フロントページの続き (51)Int.Cl.6 識別記号 庁内整理番号 ＦＩ 技術表示箇所 Ｂ２９Ｋ 309:08 503:00 (72)発明者 池田 敬師 大阪府門真市大字門真1048番地松下電工株 式会社内─────────────────────────────────────────────────── ─── Continuation of the front page (51) Int.Cl. 6 Identification number Reference number within the agency FI Technical indication location B29K 309: 08 503: 00 (72) Inventor Keishi Ikeda 1048 Kadoma, Kadoma, Osaka Prefecture Matsushita Electric Works Stock company
Claims (2)
硬化剤を含有した混練物を切断した成形材料であって、
上記成形材料中に、高さが１〜１０ｍｍ、直径が２〜１
２ｍｍの略円筒形の粒子を８０重量％以上含有している
ことを特徴とする熱硬化性樹脂成形材料。1. A thermosetting resin, an inorganic or organic filler,
A molding material obtained by cutting a kneaded material containing a curing agent,
In the above molding material, the height is 1 to 10 mm and the diameter is 2-1.
A thermosetting resin molding material containing 80% by weight or more of 2 mm substantially cylindrical particles.
る粒子が１．０重量％以内であることを特徴とする請求
項１記載の熱硬化性樹脂成形材料。2. The thermosetting resin molding material according to claim 1, wherein the content of particles passing through the 83 mesh in the molding material is within 1.0% by weight.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP19093995A JP3186527B2 (en) | 1995-07-27 | 1995-07-27 | Thermosetting resin molding material |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP19093995A JP3186527B2 (en) | 1995-07-27 | 1995-07-27 | Thermosetting resin molding material |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH0938966A true JPH0938966A (en) | 1997-02-10 |
| JP3186527B2 JP3186527B2 (en) | 2001-07-11 |
Family
ID=16266198
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP19093995A Expired - Lifetime JP3186527B2 (en) | 1995-07-27 | 1995-07-27 | Thermosetting resin molding material |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP3186527B2 (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2008105320A (en) * | 2006-10-26 | 2008-05-08 | Matsushita Electric Works Ltd | Manufacturing method of glass fiber-containing resin molding material |
| WO2010150826A1 (en) | 2009-06-23 | 2010-12-29 | 株式会社ブリヂストン | Method of manufacturing vulcanized tire, and vulcanizing device |
| US8282994B2 (en) | 2010-01-21 | 2012-10-09 | Empire Technology Development Llc | Can coatings |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS55166217A (en) * | 1979-06-13 | 1980-12-25 | Matsushita Electric Works Ltd | Material for molding of phenolic resin |
| JPS5630433A (en) * | 1979-08-20 | 1981-03-27 | Matsushita Electric Works Ltd | Preparation of amino resin molding compound |
| JPH06192435A (en) * | 1992-12-25 | 1994-07-12 | Sumitomo Bakelite Co Ltd | Phenol resin molding material and its production |
| JPH0780829A (en) * | 1993-09-13 | 1995-03-28 | Sumitomo Bakelite Co Ltd | Production of phenol resin molding material |
| JPH07227838A (en) * | 1994-02-16 | 1995-08-29 | Sumitomo Bakelite Co Ltd | Production of thermosetting resin molding material |
| JPH07290447A (en) * | 1994-04-26 | 1995-11-07 | Sumitomo Electric Ind Ltd | Fiber-containing granulated material and production thereof |
-
1995
- 1995-07-27 JP JP19093995A patent/JP3186527B2/en not_active Expired - Lifetime
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS55166217A (en) * | 1979-06-13 | 1980-12-25 | Matsushita Electric Works Ltd | Material for molding of phenolic resin |
| JPS5630433A (en) * | 1979-08-20 | 1981-03-27 | Matsushita Electric Works Ltd | Preparation of amino resin molding compound |
| JPH06192435A (en) * | 1992-12-25 | 1994-07-12 | Sumitomo Bakelite Co Ltd | Phenol resin molding material and its production |
| JPH0780829A (en) * | 1993-09-13 | 1995-03-28 | Sumitomo Bakelite Co Ltd | Production of phenol resin molding material |
| JPH07227838A (en) * | 1994-02-16 | 1995-08-29 | Sumitomo Bakelite Co Ltd | Production of thermosetting resin molding material |
| JPH07290447A (en) * | 1994-04-26 | 1995-11-07 | Sumitomo Electric Ind Ltd | Fiber-containing granulated material and production thereof |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2008105320A (en) * | 2006-10-26 | 2008-05-08 | Matsushita Electric Works Ltd | Manufacturing method of glass fiber-containing resin molding material |
| WO2010150826A1 (en) | 2009-06-23 | 2010-12-29 | 株式会社ブリヂストン | Method of manufacturing vulcanized tire, and vulcanizing device |
| US9387638B2 (en) | 2009-06-23 | 2016-07-12 | Bridgestone Corporation | Vulcanized tire manufacturing method and vulcanization apparatus |
| US9517604B2 (en) | 2009-06-23 | 2016-12-13 | Bridgestone Corporation | Vulcanized tire vulcanization apparatus |
| US8282994B2 (en) | 2010-01-21 | 2012-10-09 | Empire Technology Development Llc | Can coatings |
Also Published As
| Publication number | Publication date |
|---|---|
| JP3186527B2 (en) | 2001-07-11 |
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