JP2006256332A - 膨張可能なプラスチック粒状物を連続的に製造する方法 - Google Patents
膨張可能なプラスチック粒状物を連続的に製造する方法 Download PDFInfo
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- B—PERFORMING OPERATIONS; TRANSPORTING
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- B—PERFORMING OPERATIONS; TRANSPORTING
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Abstract
【解決手段】プラスチック溶解物Fが、膨張剤Bを使用して含浸され、含浸された溶解物が粒状化される方法を使用して、膨張可能なプラスチックの粒状物Gを連続的に製造することができ、この方法は、溶解物用の少なくとも1つの圧力生成供給装置10、特に容量測定ポンプ供給装置、膨張剤用の計量装置9、溶解物を含浸する接触・均質化装置2、含浸された溶解物用の少なくとも1つの冷却器3、水中造粒機6、設備制御部1を含む設備を用いて実施される。
【選択図】図4
Description
溶解物用の少なくとも1つの圧力生成供給装置(10)、特に容量測定ポンプ供給装置、
膨張剤用の計量装置(9)、
溶解物を含浸する接触・均質化装置(2)、
含浸された溶解物用の少なくとも1つの冷却器(3)、
水中造粒機(6)、及び
設備制御部(1)。
B 膨張剤
1 設備制御部
2、5 接触・均一化装置、静的混合器
3 冷却器 、熱交換管
6 造粒機
9 計量ポンプ
10 圧力生成装置、ギア・ポンプ
13、16、19、110 信号伝送接続部
30、 62 冷却装置
50 中間貯蔵庫
60、40 ポンプ
51 三方弁
61 分離装置
81 膨張剤Bの源
82 容器
600 モータ
602 出口突出部
603 チャンバ
604 回転ナイフ
605 ノズル
606 分配器
Claims (10)
- 膨張可能なプラスチック粒状物(G)を連続的に製造する方法において、設備を用いて、流体膨張剤(B)を使用してプラスチック溶解物(F)を含浸し、前記含浸溶解物を粒状化することによって行い、前記設備が、構成要素として、前記溶解物用の少なくとも1つの圧力生成供給装置(10)、特に容量測定ポンピング供給装置と、前記膨張剤用の計量装置(9)と、前記溶解物の前記含浸のための接触・均一化装置(2)と、前記含浸溶解物用の少なくとも1つの冷却器(3)と、水中造粒機(6)と、設備制御部(1)とを備え、前記含浸が、前記造粒機で前記粒状物用の冷却・移送媒体として使用される液体、特に水又は塩水を使用して実施される方法であって、
含浸中、前記液体に高圧が掛けられ、それに基づいて、未だ凝固していない前記粒状物での前記膨張剤の膨張作用が、少なくとも部分的に抑制されること、及び前記含浸のために設定された変数、即ち前記造粒機の入口の前記含浸溶解物の温度及び圧力の統制が、前記設備制御部を使用して実行され、前記指定変数の測定がなされ、又測定値が、所望値と比較され、前記所望値との偏差が、前記統制で設備制御部によって使用されて、1つ又は複数の前記冷却器による前記含浸溶解物からの熱の取り上げを操作することを特徴とする方法。 - 静的混合器が、接触・均一化装置(2)として使用され、且つ/又は前記1つ又は複数の冷却器(3)が同様に静的混合器であり、その混合要素は、特に熱交換管として設計されることを特徴とする、請求項1に記載の方法。
- 前記溶解物用の前記供給装置(10)が、ギア・ポンプ又は押出機であり、その供給力を、含浸する溶解物(F)の変わりやすい提示に対して、
前記設備制御部(1)によって操作することができ、膨張剤(B)の計量供給が制御されることを特徴とする、請求項1又は2に記載の方法。 - 前記膨張剤(B)が、前記接触・均一化装置(2)の第1段階で、特に静的混合器(2a)の強力な剪断作用によって前記溶解物(F)内で拡散されること、このやり方で得られた混合物が第2段階(2b)に供給され、そこで混合物が、所定の圧力範囲で、又所定時間間隔内の滞留時間中に動的に保持されることを特徴とする、請求項1から3までのいずれか一項に記載の方法。
- ポリスチレン、スチレン−コポリマー、ポリオレフィン、特にポリエチレン、ポリプロピレン、又はこれらの指定材料の混合物が、プラスチック(F)として使用されること、及びH2O、CO2、N2、即ち低沸点の炭化水素、特にペンタン、又は指定物質の混合物が、膨張剤(B)として使用されることを特徴とする、請求項1から4までのいずれか一項に記載の方法。
- 少なくとも1つの添加物が、前記含浸の前、含浸中、及び/又は含浸後に混合されることを特徴とする、請求項1から5までのいずれか一項に記載の方法。
- 多様な粒状物の形態の1つが作り出され、前記粒状物(G)が、特に「ペレット」若しくは「ビーズ」の形態で、又は部分的に膨張した粒状物として作り出されることを特徴とする、請求項1から6までのいずれか一項に記載の方法。
- 請求項1から7までのいずれか一項による、膨張可能なプラスチック粒状物(G)の製造をするための設備。
- 設備が、直列に配置される以下の構成要素、即ち、含浸する溶解物用の第1ギア・ポンプ(10)又は押出機(10)と、膨張剤(B)用の計量ポンプ(9)への入口接続部を備えた静的混合器(2)と、1つの冷却器(3)又は一連の冷却器であってその熱交換器が静的混合要素として設計される冷却器と、前記一連の冷却器の中に、又は前記1つ若しくは複数の冷却器の下流でそれに続くところに配置される第2ギア・ポンプと、さらなる静的混合器(5)と、水中造粒機(6)と、設備電子制御部(1)であって、前記粒状化のために設定される前記変数の前記統制のために設けられ、この目的のために、前記供給手段、即ち前記指定ポンプ又は押出機、前記1つの冷却器若しくは複数の冷却器、及び前記造粒機への信号伝送接続部(110、13、16、19)を有する制御部(1)とを含むことを特徴とする、請求項8に記載の設備。
- 前記第1ギア・ポンプに続く前記静的混合器(2)が、第1静的混合器(2a)であり、それに第2静的混合器(2b)が続くこと、前記第1静的混合器の混合要素が、前記第2混合器よりも大きな剪断効果を作り出すこと、及び特に前記第2静的混合器が、前記第1静的混合器の対応する断面よりも大きな流れ断面を有することを特徴とする、請求項9に記載の設備。
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JP2013517966A (ja) * | 2010-01-28 | 2013-05-20 | スルザー ケムテック アクチェンゲゼルシャフト | 膨張可能なプラスチック粒状物を連続製造するための設備、及び膨張可能なプラスチック粒状物を製造するための方法 |
JP2017177701A (ja) * | 2016-03-31 | 2017-10-05 | 株式会社カネカ | 発泡性スチレン系樹脂粒子の製造方法、スチレン系樹脂予備発泡粒子の製造方法及びスチレン系樹脂型内発泡成形体の製造方法 |
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TWI360469B (en) | 2012-03-21 |
CN1833850B (zh) | 2010-11-10 |
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MXPA06002830A (es) | 2006-09-18 |
CA2537760C (en) | 2014-07-29 |
BRPI0600833B1 (pt) | 2016-07-12 |
US20060211780A1 (en) | 2006-09-21 |
KR101315922B1 (ko) | 2013-10-18 |
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