JPH06226737A - Composition and production thereof and molding using the composition - Google Patents
Composition and production thereof and molding using the compositionInfo
- Publication number
- JPH06226737A JPH06226737A JP1369393A JP1369393A JPH06226737A JP H06226737 A JPH06226737 A JP H06226737A JP 1369393 A JP1369393 A JP 1369393A JP 1369393 A JP1369393 A JP 1369393A JP H06226737 A JPH06226737 A JP H06226737A
- Authority
- JP
- Japan
- Prior art keywords
- mixture
- granular
- resin composition
- aromatic polyamide
- mixer
- 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
Abstract
Description
【０００１】[0001]
【産業の利用分野】本発明は取扱いが極めて容易な全芳
香族ポリアミド繊維を含有する顆粒状樹脂組成物を効率
よく製造する方法，これを用いた組成物および成形品に
関する。TECHNICAL FIELD The present invention relates to a method for efficiently producing a granular resin composition containing wholly aromatic polyamide fibers, which is extremely easy to handle, a composition using the same, and a molded article.
【０００２】[0002]
【従来の技術】芳香族ポリアミド繊維は合成樹脂補強材
として優れた効果を有することが知られている (プラス
チック、Vol.３６, No.３, ２５〜３３ (１９８５)
）。しかし、その効果を発揮するためには芳香族ポリ
アミド繊維の配合率は５重量％以上、場合によっては７
０重量％程度添加する必要がある。2. Description of the Prior Art Aromatic polyamide fibers are known to have excellent effects as synthetic resin reinforcing materials (Plastics, Vol. 36, No. 3, 25-33 (1985)).
). However, in order to exert its effect, the compounding ratio of the aromatic polyamide fiber is 5% by weight or more, and in some cases 7%.
It is necessary to add about 0% by weight.
【０００３】この配合方法としては、芳香族ポリアミド
繊維を３〜６mmの長さに切断後、綿状にした短繊維を合
成樹脂に配合、混合し、押出機やニーダーにより樹脂成
分を溶融せしめながら混練混合する方法がよく知られて
いる。しかしながら、芳香族ポリアミド繊維は短かく切
断した場合、繊維が綿状となって著しく嵩高になるた
め、合成樹脂粉末や合成樹脂ペレットと均一に混合する
ことがむずかしく、混合できたとしても全体が嵩高で押
出機やニーダーのような混練機に供給することが困難と
なり、目的とする配合率の組成物を得ることができない
という問題がある。これは芳香族ポリアミド繊維が長繊
維状でなく、パルプ状のものであっても同じであり、作
業性は同様に悪くなる。The compounding method is such that aromatic polyamide fiber is cut into a length of 3 to 6 mm, cotton-like short fibers are mixed with a synthetic resin and mixed, and the resin component is melted by an extruder or a kneader. The method of kneading and mixing is well known. However, when the aromatic polyamide fibers are cut into short pieces, the fibers become cotton-like and become extremely bulky, so it is difficult to mix them uniformly with the synthetic resin powder or the synthetic resin pellets, and even if they can be mixed, the whole is bulky. Therefore, it becomes difficult to supply it to a kneading machine such as an extruder or a kneader, and there is a problem that a composition having an intended blending ratio cannot be obtained. This is the same even when the aromatic polyamide fiber is not in the form of long fiber but in the form of pulp, and the workability is similarly deteriorated.
【０００４】このため色々の工夫がなされ、たとえば特
開昭６２−２４０３５１号公報に示されるように、全芳
香族ポリアミド繊維を有機溶剤に溶解させた樹脂溶液中
に浸漬し、その後有機溶剤を蒸発させ、繊維を樹脂で接
着した状態で切断することにより、綿状になることを防
止すること、さらに合成樹脂ペレットや粉末に添加混合
する工程においても、全芳香族ポリアミド繊維が開繊し
綿状にならないため、混合物が嵩高になって押出機やニ
ーダーのような混練機に供給することが困難になること
を防止する方法が提案されている。For this reason, various measures have been taken. For example, as shown in JP-A-62-240351, a wholly aromatic polyamide fiber is immersed in a resin solution dissolved in an organic solvent, and then the organic solvent is evaporated. Then, the fibers are cut with the resin adhered to prevent them from becoming cotton-like, and even in the step of adding and mixing with synthetic resin pellets or powder, the wholly aromatic polyamide fibers are opened and cotton-like. Therefore, a method for preventing the mixture from becoming bulky and difficult to supply to a kneader such as an extruder or a kneader has been proposed.
【０００５】[0005]
【発明が解決しようとする課題】しかしながら、上記従
来の方法は樹脂を有機溶剤に溶解させる必要があるた
め、樹脂の種類による溶剤の選択、溶剤の乾燥除去のた
めの装置が必要であり、経済的、安全面からも不利な方
法である。また、樹脂が芳香族ポリイミドのような溶剤
に溶けにくい樹脂の場合、この方法を利用することは困
難であった。However, since the above-mentioned conventional method requires dissolving the resin in the organic solvent, an apparatus for selecting the solvent according to the kind of the resin and drying and removing the solvent is required, which is economical. This is a disadvantageous method from the viewpoint of safety and security. Further, when the resin is a resin that is hardly soluble in a solvent such as aromatic polyimide, it is difficult to use this method.
【０００６】本発明の目的は上記従来技術の欠点を解消
し、取扱いが極めて容易な全芳香族ポリアミド繊維を含
有する顆粒状樹脂組成物を効率よく製造する方法を提供
することにある。An object of the present invention is to solve the above-mentioned drawbacks of the prior art and to provide a method for efficiently producing a granular resin composition containing wholly aromatic polyamide fibers which is extremely easy to handle.
【０００７】[0007]
【課題を解決するための手段】本発明の顆粒状樹脂組成
物の製造方法は、全芳香族ポリアミド繊維と合成樹脂粉
末とを回転翼および／またはチョッパーを有する混合機
内で混合した後、水および／または有機溶剤を添加して
湿潤状態にし、高速攪拌することにより混合物を顆粒状
となした後、乾燥することを特徴とするものである。The method for producing a granular resin composition of the present invention comprises the steps of mixing wholly aromatic polyamide fiber and synthetic resin powder in a mixer having a rotor and / or a chopper, and then mixing with water and And / or an organic solvent is added to make the mixture wet, and the mixture is stirred at high speed to make the mixture granular, and then dried.
【０００８】以下、本発明を具体的に説明する。本発明
においては、全芳香族ポリアミド繊維と合成樹脂粉末を
所定量計量し、混合機により高速回転する回転翼で全芳
香族ポリアミド繊維を綿状に開繊し、嵩高な全芳香族ポ
リアミド繊維を均一に含有する混合物を製造する。この
混合物は全芳香族ポリアミド繊維がほぼ完全に開繊して
いるため非常にバルキーで嵩高であり混合物の見掛け密
度は０．０８〜０．１３ｇ／cm3 程度である。The present invention will be specifically described below. In the present invention, a predetermined amount of wholly aromatic polyamide fibers and synthetic resin powder are weighed, and the wholly aromatic polyamide fibers are opened in a cotton shape with a rotating blade that rotates at high speed by a mixer to obtain a bulky wholly aromatic polyamide fiber. A homogeneously containing mixture is produced. This mixture is very bulky and bulky because the wholly aromatic polyamide fibers are almost completely opened, and the apparent density of the mixture is about 0.08 to 0.13 g / cm 3 .
【０００９】次にこの混合物に液体を添加し混合を継続
すると混合物は微小な顆粒状になる。この時液体の添加
量が不足する状態では湿潤状態であるが顆粒状にはなり
にくい。また液体の添加量が多過ぎるとドロドロの状態
となり顆粒にはなりにくい。種々の実験の結果、液体の
添加量は乾燥混合物１に対し液体は０．５〜２．０重量
倍の時にすぐれた顆粒を形成することがわかった。液体
の添加量は樹脂粉末の粉末特性 (粒子径、親油性、親水
性、吸水 (油) 特性) 、全芳香族ポリアミド繊維、その
他の添加剤種やその添加量の影響を受ける。Next, a liquid is added to this mixture and the mixing is continued, so that the mixture becomes fine granules. At this time, when the amount of the liquid added is insufficient, the liquid is in a wet state but is unlikely to be granular. Also, if the amount of liquid added is too large, it becomes muddy and it is difficult to form granules. As a result of various experiments, it was found that when the amount of the liquid added was 0.5 to 2.0 times the weight of the dry mixture, the liquid formed excellent granules. The amount of the liquid added is affected by the powder characteristics (particle size, lipophilicity, hydrophilicity, water absorption (oil) characteristics) of the resin powder, wholly aromatic polyamide fiber, other additive species, and the amount added.
【００１０】添加する液体は安全性、経済性を考え、水
が最もよい。合成樹脂粉末や第３成分が撥水性を有する
ため水にぬれにくい時は水／アルコール系、水／アセト
ンなどの有機溶剤を併用してもよいし、場合によっては
アルコール、アセトンなどの有機溶剤を使用してもよ
い。混合機中で顆粒状になった樹脂組成物は水又は有機
溶剤を含有しているので、このままでは成形材料として
使用できない。そこで棚式熱風乾燥機、流動床式熱風乾
燥機、トンネル炉式乾燥機などにより水や有機溶剤を揮
発除去して乾燥樹脂組成物を得る。Water is the best liquid to be added in consideration of safety and economy. When the synthetic resin powder and the third component have water repellency, it is possible to use an organic solvent such as water / alcohol system or water / acetone together when it is difficult to wet with water, or in some cases, an organic solvent such as alcohol or acetone. May be used. Since the resin composition which has been granulated in the mixer contains water or an organic solvent, it cannot be used as a molding material as it is. Then, water and an organic solvent are volatilized and removed by a shelf hot air dryer, a fluidized bed hot air dryer, a tunnel oven dryer, etc. to obtain a dried resin composition.
【００１１】本発明における顆粒状樹脂組成物とは少な
くとも全芳香族ポリアミド繊維と樹脂粉末が均一にから
み合って顆粒を形成しているものであり、その形状は必
ずしも球状である必要はなく、長球状、ひずみのある球
状などでもよい。そして顆粒状物の平均粒径は２．０φ
以下、好ましくは１．０φ以下である。また、本発明の
顆粒状樹脂組成物は全芳香族ポリアミド繊維と樹脂粉末
を必須として含むが、更に他の添加剤を含んでいてもよ
く、そのときの平均粒径も２．０φ以下が好ましい。The granular resin composition in the present invention is one in which at least wholly aromatic polyamide fibers and resin powder are uniformly intertwined with each other to form granules, and the shape thereof does not necessarily have to be spherical and is long. It may be spherical, strained, or the like. And the average particle size of the granular material is 2.0φ
The following is preferably 1.0φ or less. Further, the granular resin composition of the present invention essentially contains wholly aromatic polyamide fiber and resin powder, but may further contain other additives, and the average particle size at that time is preferably 2.0φ or less. .
【００１２】本発明で得られた樹脂組成物はそのまま、
または他の合成樹脂と混合して繊維強化樹脂組成物とな
し、たとえば粉末成形機に供給して加圧成形し、圧粉体
となし、その後焼成することで成形品を製造したり、押
出成形機に供給してシリンダー内で加熱溶融混練し、ダ
イスから押出し、水冷、カッティッグしてペレット状と
なし、このペレットを用いて押出成形や射出成形で各種
プラスチック成形品を容易に成形することができる。The resin composition obtained by the present invention is as it is,
Alternatively, it is mixed with other synthetic resin to form a fiber reinforced resin composition, for example, it is supplied to a powder molding machine and pressure-molded to form a green compact, which is then fired to produce a molded product or extrusion molding. It is supplied to a machine, melted and kneaded in a cylinder, extruded from a die, water-cooled and cut to form pellets, which can be used to easily mold various plastic molded products by extrusion or injection molding. .
【００１３】本発明でいう全芳香族ポリアミド繊維はポ
リ (ｐ−フェニレンテレフタラミド) 、ポリ (ｍ−フェ
ニレンテレフタラミド) およびそれらを骨格とする共重
合体などであり、湿式または乾式紡糸法により繊維状に
紡糸された長繊維タイプのものやフィルム状に成形後フ
ィブリル化したもの、または全芳香族ポリアミド溶液を
ノズルから高速に吐出させ短繊維状に紡糸した短繊維タ
イプのものが使用できるが中でも経済的で有利で油剤等
の付着のない後者の短繊維タイプ (パルプ状物) が好ま
しい。The wholly aromatic polyamide fibers referred to in the present invention are poly (p-phenylene terephthalamide), poly (m-phenylene terephthalamide) and copolymers having them as a skeleton, and the wet or dry spinning method is used. It is possible to use a long fiber type spun into a fibrous shape by means of the above, a fibril formed after being formed into a film shape, or a short fiber type spun into a short fiber shape by discharging a wholly aromatic polyamide solution at a high speed from a nozzle. Of these, the latter short fiber type (pulp-like material), which is economical and advantageous and does not adhere to oil agents and the like, is preferable.
【００１４】合成樹脂粉末としてはあらゆる合成樹脂粉
末が使用可能であるが、全芳香族ポリアミド繊維の添加
目的が摺動特性、特に耐摩耗性の向上にある時は、合成
樹脂粉末として耐熱性がよく耐摩耗性のよい樹脂粉末を
選定する必要がある。この点から樹脂粉末としては超高
分子量ポリエチレン、ナイロン、ポリアセタール、ポリ
フェニレンスルフィド、ポリイミド、ポリアミドイミ
ド、ポリエーテルイミド、ポリエーテルケトン、ポリエ
ーテルエーテルケトン、ポリエーテルニトリル、フッ素
系樹脂、フェノール樹脂などの粉末が好ましく使用でき
る。Any kind of synthetic resin powder can be used as the synthetic resin powder, but when the purpose of addition of the wholly aromatic polyamide fiber is to improve sliding characteristics, especially abrasion resistance, the synthetic resin powder has high heat resistance. It is necessary to select a resin powder that has good wear resistance. From this point, as the resin powder, ultra high molecular weight polyethylene, nylon, polyacetal, polyphenylene sulfide, polyimide, polyamide imide, polyether imide, polyether ketone, polyether ether ketone, polyether nitrile, fluorine resin, phenol resin powder and the like. Can be preferably used.
【００１５】全芳香族ポリアミド繊維の添加量は乾燥し
た樹脂組成物中５〜７０重量％が好ましく、５重量％以
下では全芳香族ポリアミド繊維の特性を付与することが
困難であり、７０重量％以上では機械的強度がそこなわ
れるので好ましくない。本発明において、顆粒状樹脂組
成物と更に混合される他の合成樹脂としては特に限定さ
れないが好ましくは上記樹脂粉末として用いることがで
きる樹脂として挙げた樹脂のうち、顆粒状樹脂組成物に
用いなかった樹脂が好ましい。さらに特に必要ではない
がより多様化した目的に応じるために、通常一般に知ら
れる熱安定剤、耐候剤、着色剤、充填剤、強化材、潤滑
剤を添加することもできる。The amount of wholly aromatic polyamide fiber added is preferably 5 to 70% by weight in the dried resin composition, and when it is 5% by weight or less, it is difficult to impart the characteristics of wholly aromatic polyamide fiber to 70% by weight. The above is not preferable because the mechanical strength is impaired. In the present invention, other synthetic resins to be further mixed with the granular resin composition are not particularly limited, but preferably, among the resins listed as the resins that can be used as the resin powder, they are not used in the granular resin composition. Resins are preferred. Further, generally-known heat stabilizers, weathering agents, colorants, fillers, reinforcing agents, and lubricants may be added, although they are not particularly necessary, but for more diverse purposes.
【００１６】本発明に使用する高速回転翼を有する混合
機としては普通チョッパーと称せられる高速回転刃を有
するものがよい。代表的な混合機としてチョッパーを有
するリボンブレンダータイプの混合機 (太平洋機工製
プロシェアーミキサー、不二パウダル (株) 、スパルタ
ン・リューザー) 同じくチョッパーを有するヘンシェル
ミキサータイプの混合機 (神鋼パンテック (株) 製 Ｐ
Ｓミキサー) などが使用できる。The mixer having a high-speed rotating blade used in the present invention is preferably a mixer having a high-speed rotating blade usually called a chopper. As a typical mixer, a ribbon blender type mixer with a chopper (manufactured by Taiheiyo Kiko)
Proshare mixer, Fuji Paudal Co., Ltd., Spartan Luzer) Henschel mixer type mixer with a chopper (Shinko Pantech Co., Ltd. P
S mixer) can be used.
【００１７】本発明においては混合機で高速攪拌する必
要があり、この高速攪拌とはチョッパーの回転速度が１
０００rpm 以上、好ましくは２０００rpm 以上である。
このとき攪拌翼も共に回転するが攪拌翼の回転速度はチ
ョッパーに比べて低速回転でよい。In the present invention, it is necessary to perform high speed stirring with a mixer, and this high speed stirring means that the rotation speed of the chopper is 1
It is 000 rpm or more, preferably 2000 rpm or more.
At this time, the stirring blade also rotates, but the rotation speed of the stirring blade may be lower than that of the chopper.
【００１８】[0018]
実施例１ 構造式 で示される全芳香族ポリイミド樹脂粉末６０重量部
(０．９kg) に対し、デュポン社“ケブラー”Ｋ２９
(ｐ−フェニレンテレフタラミド) パルプ 4０重量部
(０．６kg) を計量し、神鋼パンテック (株) 製 高速
剪断型混合機“ＰＳミキサー”ＰＳ−０５ (全容量５０
Ｌ) に投入し、チョッパー回転速度５０００rpm 、攪拌
翼回転速度３００rpm で１分間混合した。この混合によ
り“ケブラー”２９はほぼ完全に開繊され、混合物の見
掛け密度は０. ０８ｇ／cm3 となった。次に上記条件で
混合を再開し、この混合物１. ５kgに対し１. ４倍量の
水 (２. １kg) を“ＰＳミキサー”上部に取付けられた
スプレーを通して注入し、混合造粒を行った。得られた
造粒品は球状ではなく長球状の顆粒状物であった。この
顆粒状物をタバイ製 棚式熱風乾燥機で１３０℃×１６
Hr熱風乾燥し、水分を除去した。乾燥された顆粒状物の
見掛け密度を測定したところ０. ４ｇ／cm3 であり、平
均粒径は０. ８φであった。見掛け密度は造粒により５
倍向上した。Example 1 Structural formula 60 parts by weight of wholly aromatic polyimide resin powder represented by
(0.9 kg) against DuPont's "Kevlar" K29
(p-phenylene terephthalamide) 40 parts by weight of pulp
(0.6 kg) is weighed and manufactured by Shinko Pantech Co., Ltd. High-speed shear mixer "PS Mixer" PS-05 (total volume 50
L) and mixed for 1 minute at a chopper rotation speed of 5000 rpm and a stirring blade rotation speed of 300 rpm. By this mixing, "Kevlar" 29 was almost completely opened, and the apparent density of the mixture was 0.08 g / cm 3 . Then, the mixing was restarted under the above-mentioned conditions, and 1.4 times amount of water (2.1 kg) per 1.5 kg of this mixture was injected through a spray attached to the upper part of the "PS mixer" to carry out mixed granulation. . The obtained granulated product was not spherical but an oblong granular product. This granular material is made by Tabai shelf type hot air dryer at 130 ℃ × 16
Hr was dried with hot air to remove water. The apparent density of the dried granular product was measured and found to be 0.4 g / cm 3 , and the average particle size was 0.8φ. Apparent density is 5 due to granulation
Doubled.
【００１９】得られた顆粒状物を用い東洋油圧製 粉末
プレス成形機で４０φ×１０Ｌ円板を成形したが給粉ボ
ックスによる給粉が可能であり、欠陥のない圧粉体が得
られた。一方、上記造粒工程を経ていないもの (嵩高な
もの) では型内に混合物が流入せず成形が不可能であっ
た。 実施例２ 実施例１で使用した“ケブラー”３０重量部 (１. ２k
g) とダイキン工業製“テフロン”樹脂 (Ｍ−５) ７０
重量部 (２. ８kg) を計量し、神鋼パンテック (株)
“ＰＳミキサー”ＰＳ−０５にてチョッパー回転速度３
６００rpm 、攪拌翼回転速度３００rpm で２分間混合
し、その後これにエタノールを７００ｇ投入１分間混合
した後、さらに水を２０００ｇ添加し約１分混合し取り
出し実施例１と同じように乾燥した。乾燥品の見掛け密
度は０. ６ｇ／cm3 で平均顆粒径は０.８φであった。
得られた顆粒状物を乾燥後実施例１と同じく４０φ×１
０Ｌ円板を成形した。本願粒状物は成形可能であった
が、造粒していない混合物では型内へ流入せず成形がで
きなかった。 実施例３ ローヌプーラン社、ピスマレイミド系ポリイミド樹脂
“ケルイミド”１０１０8０重量部 (３. ２kg) に対し
“ケブラー”２９パルプ 2０重量部 (０. ８kg)を計量
し、実施例１に準じて顆粒状物を製造した。この時水の
添加量は５. ６kgであった。得られた顆粒状物は乾燥し
た。その後３００℃に予熱した圧縮成形用金型内に計算
量の顆粒状物を投入し、３００℃下で５００kg／cm2 の
成形圧をかけ、圧縮成形し圧縮成形体を得た。一方、未
造粒混合物を使用した場合には金型へ仕込むことがむず
かしく金型に仕込むのに過大な時間をついやした。顆粒
状物の見掛け密度は０．３ｇ／cm3 、平均粒径は０. ５
φであった。一方、造粒しなかったものは見掛け密度が
０. １ｇ／cm3 で綿状であった。 実施例４ 実施例２で得られた顆粒状物５０重量部にポリフェニレ
ンスルフィド（ＰＰＳ）樹脂粉末５０重量部を添加し、
リボンブレンダーで回転翼速度１２０rpm で２分混合し
た。得られた配合物を用いて池貝鉄工 (株) 製 ２軸押
出成形機でホットカットしペレタイズを実施した。ペレ
タイズは容易で“ケブラー”と“テフロン”の入ったＰ
ＰＳ樹脂配合物を得ることができた (ケブラー１５％、
テフロン３５％、ＰＰＳ５０％) 。一方、造粒していな
い場合にはバルキーで押出機ホッパーからシリンダーへ
材料が落下せずペレタイズができなかった。 実施例５ ＰＰＳ樹脂粉末６０重量部、“ケブラー”２９パルプ 2
０重量部、ダイキン工業製“テフロン”成形材料Ｍ−５
2０重量部を太平洋機工 (株) プロシェアミキサーＷＤ
−７５型ミキサーに投入した (投入量１. ３kg) 。チョ
ッパー回転速度３０００rpm 、回転翼回転速度２００rp
m で２０分混合後、水を１. ８kg投入約１分混合し造粒
し、その後実施例１に準じて乾燥した。A 40φ × 10L disk was molded with a powder press molding machine manufactured by Toyo Hydraulic Co., Ltd. using the obtained granular material, but powdering with a powdering box was possible and a green compact without defects was obtained. On the other hand, in those that did not undergo the above granulation process (bulky), the mixture did not flow into the mold and molding was impossible. Example 2 30 parts by weight of "Kevlar" used in Example 1 (1.2 k
g) and Daikin Industries' Teflon resin (M-5) 70
Weighing part (2.8kg), Shinko Pantech Co., Ltd.
"PS mixer" PS-05 chopper rotation speed 3
After mixing for 2 minutes at 600 rpm and a stirring blade rotation speed of 300 rpm, 700 g of ethanol was added and mixed for 1 minute, 2000 g of water was further added, mixed for about 1 minute, and taken out and dried as in Example 1. The apparent density of the dried product was 0.6 g / cm 3 and the average particle size was 0.8φ.
After drying the obtained granular material, 40φ × 1 as in Example 1.
A 0L disc was molded. The granular material of the present invention could be molded, but the mixture without granulation could not be molded because it did not flow into the mold. Example 3 According to Example 1, 20 parts by weight (0.8 kg) of "Kevlar" 29 pulp was weighed against 101080 parts by weight (3.2 kg) of pismaleimide type polyimide resin "Kelimide" manufactured by Rhone Poulenc. Manufactured. At this time, the amount of water added was 5.6 kg. The obtained granular material was dried. Then, a calculated amount of the granular material was put into a compression molding die preheated to 300 ° C., and a molding pressure of 500 kg / cm 2 was applied at 300 ° C. to perform compression molding to obtain a compression molded body. On the other hand, when the ungranulated mixture was used, it was difficult to charge the mold, and it took too much time to charge the mold. The apparent density of the granular material is 0.3 g / cm 3 , and the average particle size is 0.5.
It was φ. On the other hand, the non-granulated product had an apparent density of 0.1 g / cm 3 and was cotton-like. Example 4 To 50 parts by weight of the granular material obtained in Example 2 was added 50 parts by weight of polyphenylene sulfide (PPS) resin powder,
The mixture was mixed with a ribbon blender at a rotor blade speed of 120 rpm for 2 minutes. The resulting blend was hot-cut and pelletized with a twin-screw extruder manufactured by Ikegai Tekko KK. Pelletizing is easy and P with "Kevlar" and "Teflon"
A PS resin formulation could be obtained (Kevlar 15%,
Teflon 35%, PPS 50%). On the other hand, when granulation was not carried out, the bulky material was not dropped from the extruder hopper into the cylinder, and pelletization could not be performed. Example 5 60 parts by weight of PPS resin powder, "Kevlar" 29 pulp 2
0 parts by weight, "Teflon" molding material M-5 manufactured by Daikin Industries, Ltd.
20 parts by weight of Taiheiyo Kiko Co., Ltd. Proshare Mixer WD
It was put into a −75 type mixer (input amount: 1.3 kg). Chopper rotation speed 3000rpm, rotor rotation speed 200rp
After mixing at m 2 for 20 minutes, 1.8 kg of water was added, and the mixture was mixed for about 1 minute, granulated, and then dried according to Example 1.
【００２０】顆粒状物の見掛け密度は約０．４ｇ／c
m3 、顆粒径は平均０. ６φであった。得られた顆粒状
物を用いて定量原料供給装置 (Ｋトロン) を有する池貝
鉄工製２軸押出成形機 (ＰＣＭ−４５) で普通のＰＰＳ
樹脂のペレタイズ条件によりペレタイズしホットカット
した。ペレタイズは順調であった。一方、顆粒化してい
ない混合物の場合は定量原料供給組成物で配合物が供給
できずペレタイズかできなかった。 実施例６ 実施例１で使用した全芳香族ポリイミド樹脂粉末６０重
量部と“ケブラー”２９パルプ 2０重量部、旭硝子
(株) 製 フッソ樹脂粉末“フロン”Ｌ−１６９ 2０重
量部を太平洋機工 (株) プロシェアミキサーＭＤ−７５
型ミキサーに投入した (投入量は４kg) 。The apparent density of the granular material is about 0.4 g / c
The average particle size was m 3 and the particle size was 0.6φ. Using the obtained granular material, an ordinary PPS was manufactured using a twin-screw extruder (PCM-45) manufactured by Ikegai Tekko Co., Ltd., which has a quantitative raw material supply device (K TRON).
Pelletization was performed according to the pelletizing conditions of the resin, and hot cutting was performed. Pelletization was good. On the other hand, in the case of the non-granulated mixture, the formulation could not be supplied by the fixed amount raw material supply composition, and pelletization could not be performed. Example 6 60 parts by weight of wholly aromatic polyimide resin powder used in Example 1 and 20 parts by weight of "Kevlar" 29 pulp, Asahi Glass
Fluorocarbon resin powder "Flon" L-169 (20 parts by weight) manufactured by Taiheiyo Kiko Co., Ltd. Proshare Mixer MD-75
It was put into a mold mixer (the input amount was 4 kg).
【００２１】混合はチョッパー回転速度３０００rpm 、
回転翼回転速度２００rpm で１０分混合後、取り出し
た。配合物は綿状に十分開繊されていて見掛け密度は
０. ０８ｇ／cm3 であった。この配合物１kgを不二パウ
ダル社 スパルタンリューザーＲＭＯ−３５ＨＮ型高速
混合／細粒機に投入し、攪拌整粒翼 (チョッパー) を１
５００rpm 強制循環転動羽根を２５rpm で運転し、水を
１. ５kgを注入しながら約２分造粒した。Mixing is carried out at a chopper rotation speed of 3000 rpm,
After mixing for 10 minutes at a rotary blade rotation speed of 200 rpm, the mixture was taken out. The composition was well spread like cotton and had an apparent density of 0.08 g / cm 3 . 1 kg of this mixture was charged into a Fuji Paudal Spartan Luzer RMO-35HN type high-speed mixing / granulating machine, and the stirring sizing blade (chopper) was set to 1
A 500 rpm forced circulation rolling vane was operated at 25 rpm, and granulation was performed for about 2 minutes while injecting 1.5 kg of water.
【００２２】得られた顆粒物は平均顆粒径０. ８φで見
掛け密度が０. ２３ｇ／cm3 であった。これをアモコ社
ポリアミド樹脂“トーロン”４０００Ｔと１：１の割
合でブレンドし、ポリイミド粉末３０重量％、ケブラー
１０重量％、“テフロン”１０重量％を含有するポリア
ミドイミド樹脂コンパウンドを製造して実施例５の装置
によりペレタイズした。ペレタイズは順調で良好なペレ
ットが得られ、このペレットを用いて射出成形により耐
摩耗性にすぐれた軸受けが成形できた。The resulting granules had an average granule diameter of 0.8φ and an apparent density of 0.23 g / cm 3 . This was blended with Amoco's polyamide resin "Tolon" 4000T in a ratio of 1: 1 to prepare a polyamide-imide resin compound containing 30% by weight of polyimide powder, 10% by weight of Kevlar, and 10% by weight of "Teflon". Pelletized with apparatus 5 Pellets were smoothly obtained and good pellets were obtained, and by using these pellets, a bearing having excellent wear resistance could be formed.
【００２３】[0023]
【発明の効果】本発明によれば、後の工程、たとえば他
の樹脂とのコンパウンド、ペレタイズする際に極めて取
扱いに容易な顆粒状樹脂組成物を容易に効率よく製造す
ることができる。According to the present invention, it is possible to easily and efficiently produce a granular resin composition which is extremely easy to handle in the subsequent steps, for example, compounding with other resins and pelletizing.
Claims (7)
とを回転翼および／またはチョッパーを有する混合機内
で混合した後、水および／または有機溶剤を添加して湿
潤状態にし、高速攪拌することにより混合物を顆粒状と
なした後、乾燥することを特徴とする顆粒状樹脂組成物
の製造方法。1. A wholly aromatic polyamide fiber and a synthetic resin powder are mixed in a mixer having a rotary blade and / or a chopper, and then water and / or an organic solvent is added to obtain a wet state and the mixture is stirred at a high speed. A method for producing a granular resin composition, characterized in that the mixture is made into a granular shape and then dried.
ることを特徴とする請求項１記載の顆粒状樹脂組成物の
製造方法。2. The method for producing a granular resin composition according to claim 1, wherein the average diameter of the granular material is 2.0φ or less.
ド繊維の含有率が５〜７０重量％であることを特徴とす
る請求項１記載の樹脂組成物の製造方法。3. The method for producing a resin composition according to claim 1, wherein the content of wholly aromatic polyamide fibers in the granular resin composition is 5 to 70% by weight.
０rpm 以上の攪拌であることを特徴とする請求項１記載
の樹脂組成物の製造方法。4. The high speed stirring is performed at a chopper rotation speed of 100.
The method for producing a resin composition according to claim 1, wherein the stirring is 0 rpm or more.
燥混合物に対し０．５〜２重量倍であることを特徴とす
る請求項１記載の樹脂組成物の製造方法。5. The method for producing a resin composition according to claim 1, wherein the amount of water and / or the organic solvent added is 0.5 to 2 times the weight of the dry mixture.
状樹脂と他の合成樹脂とを混合した繊維強化樹脂組成
物。6. A fiber reinforced resin composition obtained by mixing the granular resin obtained by the production method according to claim 1 and another synthetic resin.
状樹脂組成物または請求項６記載の繊維強化樹脂組成物
を成形してなる成形品。7. A molded article obtained by molding the granular resin composition obtained by the production method according to claim 1 or the fiber-reinforced resin composition according to claim 6.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1369393A JPH06226737A (en) | 1993-01-29 | 1993-01-29 | Composition and production thereof and molding using the composition |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1369393A JPH06226737A (en) | 1993-01-29 | 1993-01-29 | Composition and production thereof and molding using the composition |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH06226737A true JPH06226737A (en) | 1994-08-16 |
Family
ID=11840277
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1369393A Pending JPH06226737A (en) | 1993-01-29 | 1993-01-29 | Composition and production thereof and molding using the composition |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH06226737A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2002094529A1 (en) * | 2001-05-24 | 2002-11-28 | Toray Industries, Inc. | Tablet, process for producing the same, and molded article obtained therefrom |
| JP2008194598A (en) * | 2007-02-09 | 2008-08-28 | Yukihisa Kato | Solid-liquid separator and solid-liquid separation method utilizing this separator |
-
1993
- 1993-01-29 JP JP1369393A patent/JPH06226737A/en active Pending
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2002094529A1 (en) * | 2001-05-24 | 2002-11-28 | Toray Industries, Inc. | Tablet, process for producing the same, and molded article obtained therefrom |
| US7514144B2 (en) | 2001-05-24 | 2009-04-07 | Toray Industries, Inc. | Tablet, process for producing the same, and molded article obtained therefrom |
| JP2008194598A (en) * | 2007-02-09 | 2008-08-28 | Yukihisa Kato | Solid-liquid separator and solid-liquid separation method utilizing this separator |
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