JP2013018897A - シート状ポリウレタンフォームおよびその製造方法 - Google Patents
シート状ポリウレタンフォームおよびその製造方法 Download PDFInfo
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- Polyurethanes Or Polyureas (AREA)
- Manufacture Of Porous Articles, And Recovery And Treatment Of Waste Products (AREA)
Abstract
【解決手段】 熱膨張性マイクロカプセルを配合した液状ポリウレタン原料がこの熱膨張性マイクロカプセルの発泡開始温度より低い温度で加熱されて発泡、樹脂化したポリウレタンシートとされ、さらにこのポリウレタンシートが前記熱膨張性マイクロカプセルの発泡開始温度以上で加熱されて熱膨張性マイクロカプセルが熱膨張され表面がマット状に形成された構成である。
【選択図】 図1
Description
1b 第2のフィルム(離型性基材)
2 液状ポリウレタン原料
3 ポリウレタンシート
4 ミラー調のスキン層
5 マット調のスキン層
Claims (2)
- 熱膨張性マイクロカプセルを配合した液状ポリウレタン原料がこの熱膨張性マイクロカプセルの発泡開始温度より低い温度で加熱されて発泡、硬化したポリウレタンシートとされ、その後このポリウレタンシートが前記熱膨張性マイクロカプセルの発泡開始温度以上で加熱されてマイクロカプセルを熱膨張させて表面がマット状粗面に形成されてなることを特徴とするシート状ポリウレタンフォーム。
- 熱膨張性マイクロカプセルを配合した液状ポリウレタン原料をこの熱膨張性マイクロカプセルの発泡開始温度より低い温度で加熱発泡し硬化してポリウレタンシートを得る工程と、このポリウレタンシートを前記熱膨張性マイクロカプセルの発泡開始温度以上で加熱してマイクロカプセルを熱膨張させ表面にマット状粗面を形成する工程と、を具備することを特徴とするシート状ポリウレタンフォームの製造方法。
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Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
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JP2015078349A (ja) * | 2013-09-13 | 2015-04-23 | 三洋化成工業株式会社 | 低反発性ポリウレタン樹脂 |
KR20160004813A (ko) | 2014-07-04 | 2016-01-13 | 현대자동차주식회사 | 초경량 폴리우레탄 인조피혁 조성물 |
WO2018185998A1 (ja) * | 2017-04-05 | 2018-10-11 | 日東電工株式会社 | 吸着仮固定シートおよびその製造方法 |
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2011
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JPH11293208A (ja) * | 1998-04-10 | 1999-10-26 | Nhk Spring Co Ltd | 粘着剤付きフォーム体とその製造方法 |
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Cited By (8)
Publication number | Priority date | Publication date | Assignee | Title |
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JP2015078349A (ja) * | 2013-09-13 | 2015-04-23 | 三洋化成工業株式会社 | 低反発性ポリウレタン樹脂 |
KR20160004813A (ko) | 2014-07-04 | 2016-01-13 | 현대자동차주식회사 | 초경량 폴리우레탄 인조피혁 조성물 |
US9574072B2 (en) | 2014-07-04 | 2017-02-21 | Hyundai Motor Company | Ultra-light polyurethane artificial leather composition |
WO2018185998A1 (ja) * | 2017-04-05 | 2018-10-11 | 日東電工株式会社 | 吸着仮固定シートおよびその製造方法 |
JP2018177878A (ja) * | 2017-04-05 | 2018-11-15 | 日東電工株式会社 | 吸着仮固定シートおよびその製造方法 |
CN110461927A (zh) * | 2017-04-05 | 2019-11-15 | 日东电工株式会社 | 吸附暂时固定片及其制造方法 |
CN110461927B (zh) * | 2017-04-05 | 2022-06-21 | 日东电工株式会社 | 吸附暂时固定片及其制造方法 |
US11565238B2 (en) | 2017-04-05 | 2023-01-31 | Nitto Denko Corporation | Adsorptive temporary fixing sheet and method for manufacturing same |
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