WO2009001934A1 - ポリオレフィン系樹脂の発泡ボード及びその製造方法 - Google Patents

ポリオレフィン系樹脂の発泡ボード及びその製造方法 Download PDF

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Publication number
WO2009001934A1
WO2009001934A1 PCT/JP2008/061754 JP2008061754W WO2009001934A1 WO 2009001934 A1 WO2009001934 A1 WO 2009001934A1 JP 2008061754 W JP2008061754 W JP 2008061754W WO 2009001934 A1 WO2009001934 A1 WO 2009001934A1
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WO
WIPO (PCT)
Prior art keywords
polyolefin resin
foam board
die
opening
disclosed
Prior art date
Application number
PCT/JP2008/061754
Other languages
English (en)
French (fr)
Inventor
Toru Itadani
Masaaki Ono
Kengo Ozaki
Original Assignee
Asahi Fiber Glass Company, Limited
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Asahi Fiber Glass Company, Limited filed Critical Asahi Fiber Glass Company, Limited
Priority to US12/666,516 priority Critical patent/US8361363B2/en
Priority to JP2009520651A priority patent/JPWO2009001934A1/ja
Priority to CN200880021692A priority patent/CN101687361A/zh
Priority to EP08777666.2A priority patent/EP2174771A4/en
Publication of WO2009001934A1 publication Critical patent/WO2009001934A1/ja

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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C44/00—Shaping by internal pressure generated in the material, e.g. swelling or foaming ; Producing porous or cellular expanded plastics articles
    • B29C44/34—Auxiliary operations
    • B29C44/3469—Cell or pore nucleation
    • B29C44/348—Cell or pore nucleation by regulating the temperature and/or the pressure, e.g. suppression of foaming until the pressure is rapidly decreased
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C44/00—Shaping by internal pressure generated in the material, e.g. swelling or foaming ; Producing porous or cellular expanded plastics articles
    • B29C44/34—Auxiliary operations
    • B29C44/36—Feeding the material to be shaped
    • B29C44/46—Feeding the material to be shaped into an open space or onto moving surfaces, i.e. to make articles of indefinite length
    • B29C44/468—Feeding the material to be shaped into an open space or onto moving surfaces, i.e. to make articles of indefinite length in a plurality of parallel streams which unite during the foaming
    • B—PERFORMING OPERATIONS; TRANSPORTING
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    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
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    • B29C48/022—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor characterised by the choice of material
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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Manufacturing & Machinery (AREA)
  • Physics & Mathematics (AREA)
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  • General Chemical & Material Sciences (AREA)
  • Materials Engineering (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Organic Chemistry (AREA)
  • Manufacture Of Porous Articles, And Recovery And Treatment Of Waste Products (AREA)
  • Extrusion Moulding Of Plastics Or The Like (AREA)

Abstract

　優れた断熱吸音性能を有し、最終製品形態がマテリアルリサイクル可能で、低価格で、連続生産可能なポリオレフィン系樹脂組の発泡ボードを提供する。 　２３０°Cにおける溶融張力が５～３０ｇである直鎖状のポリプロピレン系樹脂を含むポリオレフィン系樹脂組成物と、超臨界状態の二酸化炭素を少なくとも含む発泡剤との混合物を、開口直径が０．１～１．０ｍｍであり、開口数が５０～５０００である多ホール型ダイスを有する押出し機を使用し、１６０～２５０°Cの溶融押出し温度にて、ダイスの一開口当りの吐出量Vが０．０５～０．４５ｋｇ／ｈｒであり、ダイス開口部の直近樹脂圧力を７～２０ＭＰaにて大気下に放出して押出発泡することを特徴とする発泡ボードの製造方法。
PCT/JP2008/061754 2007-06-27 2008-06-27 ポリオレフィン系樹脂の発泡ボード及びその製造方法 WO2009001934A1 (ja)

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US12/666,516 US8361363B2 (en) 2007-06-27 2008-06-27 Foam board of polyolefin resin and method for its production
JP2009520651A JPWO2009001934A1 (ja) 2007-06-27 2008-06-27 ポリオレフィン系樹脂の発泡ボード及びその製造方法
CN200880021692A CN101687361A (zh) 2007-06-27 2008-06-27 聚烯烃类树脂的发泡板及其制造方法
EP08777666.2A EP2174771A4 (en) 2007-06-27 2008-06-27 FOAM RESIN POLYOLEFIN RESIN AND MANUFACTURING METHOD THEREFOR

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JP2007-169714 2007-06-27
JP2007169714 2007-06-27

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WO2010082412A1 (ja) * 2009-01-14 2010-07-22 林テレンプ株式会社 塗布型吸音材

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CN102814883B (zh) * 2012-09-19 2013-06-05 南通超达机械科技有限公司 一种发泡模具隔热层制造工艺
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CN116589787B (zh) * 2023-03-24 2024-07-26 重庆长安汽车股份有限公司 发泡聚丙烯板材及其制备方法、轮罩衬板及其制备方法、车辆

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CN101687361A (zh) 2010-03-31
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JPWO2009001934A1 (ja) 2010-08-26
US8361363B2 (en) 2013-01-29
EP2174771A1 (en) 2010-04-14
US20100324162A1 (en) 2010-12-23

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