JP5727089B2 - 発泡成形体、これを含む浮力材及び建築用資材 - Google Patents
発泡成形体、これを含む浮力材及び建築用資材 Download PDFInfo
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- JP5727089B2 JP5727089B2 JP2014503590A JP2014503590A JP5727089B2 JP 5727089 B2 JP5727089 B2 JP 5727089B2 JP 2014503590 A JP2014503590 A JP 2014503590A JP 2014503590 A JP2014503590 A JP 2014503590A JP 5727089 B2 JP5727089 B2 JP 5727089B2
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Description
さらに、本発明は、上述した必要性を考慮したもので、重量が軽く、浮力が良好で、機械的強度確保と共に大量生産が可能な水陸両用移動体の浮力材を提供する。
Claims (9)
- フレームが重なった発泡体を含み、
前記発泡体は、ポリウレタン(polyurethane)からなり、
前記ポリウレタンは、ポリエーテル系ポリウレタン及びポリエステル系ポリウレタンからなる群から選択された一つ以上であり、
前記発泡体の表面、または前記発泡体と前記フレームが接する面にポリウレアコーティング層が形成され、
前記ポリウレタンは、比重が互いに異なるポリエステル系ポリウレタンとポリエーテル系ポリウレタン、比重が互いに異なるポリエステル系ポリウレタンとポリエステル系ポリウレタン、または、比重が互いに異なるポリエーテル系ポリウレタンとポリエーテル系ポリウレタンが積層されて構成されることを特徴とする発泡成形体。 - フレームが重なった発泡体を含み、
前記発泡体は、ポリウレタン(polyurethane)からなり、
前記発泡体の表面、または前記発泡体と前記フレームが接する面に、ポリウレアコーティング層が形成され、
前記ポリウレタンは、ポリイソシアネートと、ポリオールを含んで重合したポリエーテル系ポリウレタン、及びポリイソシアネートとジオールまたはトリオールを含んで重合したポリエステル系ポリウレタンからなる群から選択された一つ以上であることを特徴とする発泡成形体。 - フレームが重なった発泡体を含み、
前記発泡体は、ポリスチレン(polystyrene:PS)およびポリウレタン(polyurethane)からなり、
前記ポリスチレンは、スチレンの単独重合体であるポリスチレン(GPPS:General purpose polystyrene)、ゴムが重合された耐衝撃性ポリスチレン(HIPS:highimpact polystyrene)、及び発泡剤が配合された発泡性ポリスチレン(EPS:Expandable Polystyrene)からなる群から選択された一つ以上であり、
前記ポリウレタンは、ポリエーテル系ポリウレタン及びポリエステル系ポリウレタンからなる群から選択された一つ以上であり、
前記発泡体の表面、または前記発泡体と前記フレームが接する面に、ポリウレアコーティング層が形成され、
前記発泡体は、
前記ポリウレタンと、前記ポリスチレンが積層されて構成されることを特徴とする、発泡成形体。 - 前記ポリウレアは、アミン、またはアミンとポリオールを含んで重合されることを特徴とする、請求項1〜3のうちいずれか一つに記載の発泡成形体。
- 前記フレームは、他の発泡成形体、または他の機構、または装備と連結、または結合できる装置が備えられることを特徴とする、請求項1〜4のうちいずれか一つに記載の発泡成形体。
- 前記フレームは、貫通型シリンダー形状を有し、かつ、発泡体に重なっており、前記貫通型シリンダー形状のフレームは、上段と下段に各々の開閉器が装着されており、前記各々の開閉器を開閉することで前記貫通型シリンダー形状のフレームに水および/または空気が収容され、前記貫通型シリンダー形状のフレームに収容された水および空気の量で発泡成形体の自重と浮力を調節することができるようにすることを特徴とする、請求項1〜5のうちいずれか一つに記載の発泡成形体。
- 前記貫通型シリンダー形状のフレームは、発泡成形体上段に前側開閉器が付いて空気が収容されるように構成され、発泡成形体下段に後方開閉器が付いて水が収容されるように構成されることを特徴とする、請求項6に記載の発泡成形体。
- 前記フレームは、第一部材及び第二部材を含み、
前記第一部材はメッシュ構造、またはハニカム構造、またはヘチマ構造を有することを特徴とする、請求項1〜7のうちいずれか一つに記載の発泡成形体。 - 前記フレームが重なった発泡体と、前記発泡体のフレームと接する面に形成された内部コーティング層を貫いて表面コーティング層に接合される支持部材とをさらに含むことを特徴とする、請求項8に記載の発泡成形体。
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KR1020120032876A KR101447616B1 (ko) | 2012-03-30 | 2012-03-30 | 발포 성형체, 이를 포함하는 부력재 및 건축용 자재 |
PCT/KR2012/002393 WO2012138081A2 (ko) | 2011-04-04 | 2012-03-30 | 발포 성형체, 이를 포함하는 부력재 및 건축용 자재 |
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CN108068257B (zh) * | 2016-11-14 | 2019-07-23 | 中天科技海缆有限公司 | 浮体及其成型方法 |
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