JP2008307863A - 超微粉体を樹脂に混練分散する方法および混練装置 - Google Patents
超微粉体を樹脂に混練分散する方法および混練装置 Download PDFInfo
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- B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
- B29C48/25—Component parts, details or accessories; Auxiliary operations
- B29C48/36—Means for plasticising or homogenising the moulding material or forcing it through the nozzle or die
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- B29C48/405—Intermeshing co-rotating screws
Abstract
【解決手段】挿入スクリュー22の周りで超微粉体Uおよび樹脂Gの混合物G0を加熱する原料挿入工程と、樹脂Gが溶融する樹脂溶融温度Tm〜Tsにまで加熱された混合物G0中で超微粉体Uの二次粒子を分散させる液相混練分散工程と、混合物G0中から気化した気体を脱気する脱気工程と、樹脂Gが固相状態を保つ樹脂熱変形温度Td近辺の温度に冷却して混合物G0に剪断力を加え、超微粉体Uの二次粒子を脆性粒子として解砕する固相混練分散工程と、再び樹脂Gが溶融する樹脂溶融温度Tsより若干低めの温度にまで加熱して再度液相混練処理を施す再液相混練工程と、機能性複合樹脂G1を押し出す押出工程と、機能性複合樹脂G1を丸紐状の製品に成形する成形工程とを備える。
【選択図】図1
Description
21 シリンダ 211〜220 第一〜第十シリンダ
214a 脱気通路 214b 通気孔
22 挿入スクリュー
221〜229 第一〜第九スクリュー
22a 挿入スクリュー 22b 螺条
23 回転円盤 231〜240 第一〜第十回転円盤
24 固定円盤 241〜249 第一〜第9固定円盤
25 挿入シリンダ 26 駆動装置
27 第一冷熱媒体流通路 28 第二冷熱媒体流通路
29 タイロッド 30 原料供給部
31 超微粉体ホッパー
32 超微粉体定量フィーダー
32a 超微粉体側駆動モータ
33 樹脂ホッパー 34 樹脂定量フィーダ
34a 樹脂側駆動モータ 35 中継筒
36 原料投入ホッパー 37a ロードセル
37b ローカル制御器 38a ロードセル
38b ローカル制御器 40 製品排出部
41 押出シリンダ 41a フランジ
42 ダイ部材
42a 成形ダイス 43 押出スクリュー
60 冷媒供給装置(温度調節手段)
61 第一往管路 61a 第一制御弁
62 第二往管路 62a 第二制御弁
63 第三往管路 63a 第三制御弁
64 第四往管路 64a 第四制御弁
65 復管路 66 熱交換器
70 制御装置 71 CPU
72 入出力装置 81〜87 第一〜第七温度センサ
90 電気バンドヒーター(温度調節手段)
91〜97 第一〜第七電気バンドヒーター
99 電源装置 G 樹脂
U 超微粉体 G0 混合物(原料)
G1 機能性複合樹脂 F 原料挿入工程
K 混練脱気工程 K1 液相混練分散工程
V 脱気工程 K2 固相混練分散工程
K3 再液相混練工程 M 押出工程
D 成形工程 T1〜T7 第一〜第七温度
Claims (4)
- 超微粉体と樹脂とを含む原料を下流側に移動させながら前記原料に混練分散を施す混練方法であって、
一本の回転軸の周りに前記原料を加熱するべく挿入する原料挿入工程と、
樹脂が溶融する温度にまで加熱された原料を樹脂の液相状態で混練して超微粉体を樹脂中に分散させる液相混練分散工程と、
液相状態で混練された原料中から発生する気体を脱気する脱気工程と、
樹脂が固相状態を保つ温度に冷却して前記原料に剪断力を加えることにより原料中の超微粉体の二次粒子を分散系の脆性粒子にして解砕する固相混練分散工程と、
再び樹脂が溶融する温度にまで加熱して再度液相混練処理を施す再液相混練工程と、
再度液相混練処理が施されることにより得られた製品を押し出す押出工程とを順次経ることを特徴とする超微粉体を樹脂に混練分散する方法。 - 前記脱気工程は、減圧環境下で行うことを特徴とする請求項1記載の超微粉体を樹脂に混練分散する方法。
- 前記固相混練分散工程では、樹脂の温度が熱変形温度近傍の温度に設定されるとともに、樹脂の動粘度が1.5×106Pa・sec以上に設定することにより超微粉体の二次粒子を分散系の脆性粒子にして解砕することを特徴とする請求項1または2記載の超微粉体を樹脂に混練分散する方法。
- 超微粉体と樹脂とを含む原料を下流側に移動させながら原料を混練分散する混練装置であって、一本の回転軸の周りに超微粉体と樹脂とが装填される挿入シリンダと、この挿入シリンダに同心で内装される挿入スクリューと、この挿入スクリューに同心で一体回転可能に取り付けられる複数の回転円盤と、この回転円盤の側面に対向するように同心で挿入シリンダに装着される複数の固定円盤とが備えられ、
前記挿入シリンダ内に、前記原料の樹脂を溶融温度にする液相混練分散工程と、
液相混練分散された原料中に発生する気体を脱気する脱気工程と、
樹脂が固相状態を保つ温度に冷却して固相混練分散において原料中の超微粉体の二次粒子を系の脆性粒子にして前記原料に剪断力を加えることにより原料中の超微粉体の二次粒子を解砕して分散する固相混練分散工程と、
再び樹脂が溶融する温度にまで加熱して再度液相混練処理を施す再液相混練工程と、
再度液相混練処理が施されることにより得られた製品を押し出す押出工程とのそれぞれに対応した部分が備えられ、
前記各工程の温度を調節する温度調節手段が設けられていることを特徴とする超微粉体を樹脂に混練分散する混練装置。
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Cited By (9)
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JP3168801U (ja) * | 2011-04-15 | 2011-06-30 | 昆陞機械有限公司 | 脱水原料製造機 |
JP2012025890A (ja) * | 2010-07-26 | 2012-02-09 | Toyo Ink Sc Holdings Co Ltd | 微細有機顔料の製造方法及び微細有機顔料着色組成物の製造方法並びに連続式捏和機 |
JP2012523327A (ja) * | 2009-04-08 | 2012-10-04 | ナノソルシオネス エス エー デーイー シー ブイ | 周波数および振幅が変化する超音波を用いてポリマーとナノ粒子のナノコンポジットの作製を促進する連続プロセス |
WO2013058181A1 (ja) * | 2011-10-18 | 2013-04-25 | 積水化学工業株式会社 | 樹脂複合材料の製造方法及び樹脂複合材料 |
WO2013150973A1 (ja) * | 2012-04-04 | 2013-10-10 | 積水化学工業株式会社 | 樹脂複合材料の製造方法及び樹脂複合材料 |
JP2013231158A (ja) * | 2012-04-04 | 2013-11-14 | Sekisui Chem Co Ltd | 樹脂複合材料の製造方法及び樹脂複合材料 |
JP2013233790A (ja) * | 2012-04-11 | 2013-11-21 | Sekisui Chem Co Ltd | 樹脂成形体の製造方法及び樹脂成形体 |
JP2017082042A (ja) * | 2015-10-23 | 2017-05-18 | 三菱レイヨン株式会社 | (メタ)アクリル樹脂複合体組成物の製造方法 |
KR102348295B1 (ko) * | 2021-01-06 | 2022-01-11 | 주식회사 디아이티그린 | 단섬유와 폐우레탄 분말을 이용하여 흡음재 패널을 제조하는 시스템에서 단섬유와 폐우레탄분말을 혼합하는 장치 |
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CN115066469A (zh) * | 2021-05-07 | 2022-09-16 | 德州学院 | 利用煤气化渣制备涂料用复合颜填料的方法 |
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Cited By (13)
Publication number | Priority date | Publication date | Assignee | Title |
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JP2012523327A (ja) * | 2009-04-08 | 2012-10-04 | ナノソルシオネス エス エー デーイー シー ブイ | 周波数および振幅が変化する超音波を用いてポリマーとナノ粒子のナノコンポジットの作製を促進する連続プロセス |
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KR102348295B1 (ko) * | 2021-01-06 | 2022-01-11 | 주식회사 디아이티그린 | 단섬유와 폐우레탄 분말을 이용하여 흡음재 패널을 제조하는 시스템에서 단섬유와 폐우레탄분말을 혼합하는 장치 |
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