JP2016540085A - 閉鎖した型内で引き続き発泡成形するためのポリ(メタ)アクリルイミド粒子の予備発泡 - Google Patents
閉鎖した型内で引き続き発泡成形するためのポリ(メタ)アクリルイミド粒子の予備発泡 Download PDFInfo
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- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
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- B29C44/3415—Heating or cooling
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
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- 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
- B29C44/38—Feeding the material to be shaped into a closed space, i.e. to make articles of definite length
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- C08J9/00—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof
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- C08J9/00—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof
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- C08J9/00—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof
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- C08J9/00—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof
- C08J9/22—After-treatment of expandable particles; Forming foamed products
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- C08J9/232—Forming foamed products by sintering expandable particles
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- B29C35/02—Heating or curing, e.g. crosslinking or vulcanizing during moulding, e.g. in a mould
- B29C35/08—Heating or curing, e.g. crosslinking or vulcanizing during moulding, e.g. in a mould by wave energy or particle radiation
- B29C35/0805—Heating or curing, e.g. crosslinking or vulcanizing during moulding, e.g. in a mould by wave energy or particle radiation using electromagnetic radiation
- B29C2035/0822—Heating or curing, e.g. crosslinking or vulcanizing during moulding, e.g. in a mould by wave energy or particle radiation using electromagnetic radiation using IR radiation
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
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- B29K2079/00—Use of polymers having nitrogen, with or without oxygen or carbon only, in the main chain, not provided for in groups B29K2061/00 - B29K2077/00, as moulding material
- B29K2079/08—PI, i.e. polyimides or derivatives thereof
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29K—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS OR TO MATERIALS FOR MOULDS, REINFORCEMENTS, FILLERS OR PREFORMED PARTS, e.g. INSERTS
- B29K2105/00—Condition, form or state of moulded material or of the material to be shaped
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- B29K2105/048—Expandable particles, beads or granules
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- C08J2201/00—Foams characterised by the foaming process
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- C08J2205/00—Foams characterised by their properties
- C08J2205/10—Rigid foams
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- C08J2333/04—Characterised by the use of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and only one being terminated by only one carboxyl radical, or of salts, anhydrides, esters, amides, imides, or nitriles thereof; Derivatives of such polymers esters
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Abstract
Description
PMIフォームとしてEvonik Industries社のROHACELL RIMAの製品名で販売されている材料をPMI顆粒として使用した。この顆粒は、予備発泡されていない、完全に重合されたポリマープレートから、Getecha社の切断ミル(Schneidemuehle)RS3806を使用して粉砕することにより製造した。得られた顆粒は、最も大きい箇所で直径が最大5mmであった。
切断ミルからの予備発泡されていない粉砕物は、総密度(Rohdichte)が約1200kg/m3であり、およびかさ密度が約600kg/m3から700kg/m3までである。炉内での予備発泡により、これらの2つの密度は低下する。この低下は、待機時間ならびに温度を変化させることによって生じる。そのために、剥離シートが被覆されている金属板に粉砕物をばらばらに分散させる。分散は、可能な限り均一に行われるのが望ましく、層厚は、均質な発泡を保証するために、最大粒径を上回らないことが望ましい。次に、金属板を、例えば45分間、予備発泡温度に予熱した炉内に入れる。
以下の特性を有するKRELUS Infrared AG社の放射体を使用した:
この放射体は、中心波長(Wellenlaengenschwerpunkt)が2.5μm(9.6μmまで有効)の中波の金属箔ヒーター(Metallfolienstrahler)である。ここで、2.5μmは、ウィーン温度850℃に相当する。担体は金属ケーシングであり、金属箔は抵抗材料として用いられ、大きい放射面を可能にするために波形である。
例2は、例1と同様に実施するが、ただし、別の放射源(OPTRON GmbH社の放射体)を使用する:
この別の放射源は、中心波長が1.2μmである短波の放射体である。ここで、1.2μmは、2350Kのウィーン温度に相当する。担体は、アルミニウムプロファイルと金属板で構成されるものである。
Claims (13)
- インモールドフォーミングに使用可能な、予備発泡されたポリ(メタ)アクリルイミド(P(M)I)粒子を製造するための方法において、少なくとも80%が1.4μmから10.0μmまでの波長を有する赤外線によって、発泡されていないP(M)I粒子を予備発泡させることを特徴とする前記方法。
- 使用する赤外線放射体が、5.0μmから9.0μmまでの波長領域において少なくとも5%放射することを特徴とする、請求項1に記載の方法。
- 使用する赤外線放射体が、5.3μmから6.5μmまで、または7.8μmから8.9μmまでの波長領域において少なくとも5%放射することを特徴とする、請求項1または2に記載の方法。
- 赤外線放射体が、780Kから1800Kまでのウィーンによる温度を有することを特徴とする、請求項1から3までのいずれか1項に記載の方法。
- 赤外線放射体が、800Kから1200Kまでのウィーンによる温度を有することを特徴とする、請求項4に記載の方法。
- 予備発泡されていないP(M)I粒子が、0.5mmから5.0mmまでの粒径を有することを特徴とする、請求項1から5までのいずれか1項に記載の方法。
- 予備発泡を最大で5分以内に実施することを特徴とする、請求項1から6までのいずれか1項に記載の方法。
- 予備発泡されていないP(M)I粒子を、ベルトコンベヤ上で単層状に、赤外線放射源を備えるヒートステーションを通して運ぶことを特徴とする、請求項1から7までのいずれか1項に記載の方法。
- 予備発泡されたP(M)I粒子を、ヒートステーションの後方で成形型に直接運ぶか、または貯蔵容器に運び、該貯蔵容器から少なくとも1つの成形型が満たされることを特徴とする、請求項8に記載の方法。
- 予備発泡されていないP(M)I粒子を、P(M)I半製品から粉砕によって顆粒として得ることを特徴とする、請求項1から9までのいずれか1項に記載の方法。
- P(M)I粒子が、懸濁重合体であることを特徴とする、請求項1から9までのいずれか1項に記載の方法。
- 予備発泡されたP(M)I粒子が、1.0mmから25mmまでの最大径を有することを特徴とする、請求項1から11までのいずれか1項に記載の方法。
- 予備発泡されたP(M)I粒子が、60kg/m3から300kg/m3までのかさ密度を有することを特徴とする、請求項1から12までのいずれか1項に記載の方法。
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE102013225132.7A DE102013225132A1 (de) | 2013-12-06 | 2013-12-06 | Vorschäumung von Poly(meth)acrylimid-Partikeln für das anschließende Formschäumen in geschlossenen Werkzeugen |
| DE102013225132.7 | 2013-12-06 | ||
| PCT/EP2014/076333 WO2015082509A1 (de) | 2013-12-06 | 2014-12-03 | Vorschäumung von poly(meth)acrylimid-partikeln für das anschliessende formschäumen in geschlossenen werkzeugen |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JP2016540085A true JP2016540085A (ja) | 2016-12-22 |
| JP6474408B2 JP6474408B2 (ja) | 2019-02-27 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2016536931A Active JP6474408B2 (ja) | 2013-12-06 | 2014-12-03 | 閉鎖した型内で引き続き発泡成形するためのポリ(メタ)アクリルイミド粒子の予備発泡 |
Country Status (17)
| Country | Link |
|---|---|
| US (1) | US10343314B2 (ja) |
| EP (1) | EP3077451B1 (ja) |
| JP (1) | JP6474408B2 (ja) |
| KR (1) | KR102318466B1 (ja) |
| CN (1) | CN105793338B (ja) |
| AU (1) | AU2014359300B2 (ja) |
| BR (1) | BR112016012423B1 (ja) |
| CA (1) | CA2932417C (ja) |
| DE (1) | DE102013225132A1 (ja) |
| DK (1) | DK3077451T3 (ja) |
| ES (1) | ES2663520T3 (ja) |
| NO (1) | NO3129742T3 (ja) |
| PL (1) | PL3077451T3 (ja) |
| RU (1) | RU2663242C1 (ja) |
| TW (1) | TWI656152B (ja) |
| WO (1) | WO2015082509A1 (ja) |
| ZA (1) | ZA201604398B (ja) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2019510869A (ja) * | 2016-03-30 | 2019-04-18 | エボニック スペシャルティ ケミカルズ (シャンハイ) カンパニー リミテッドEvonik Specialty Chemicals (Shanghai) Co., Ltd. | ポリ(メタ)アクリルイミドフォーム粒子を含むポリマーコンパウンド |
Families Citing this family (20)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102014209425A1 (de) | 2014-05-19 | 2015-11-19 | Evonik Röhm Gmbh | Formschäumen von Poly(meth)acrylimid-Partikeln in geschlossenen Werkzeugen zur Herstellung von Hartschaumkernen |
| DE102014009338A1 (de) | 2014-06-27 | 2015-12-31 | Evonik Röhm Gmbh | Druckabhängiges Formschäumen von Poly(meth)acrylimid-Partikeln in geschlossenen Werkzeugen zur Herstellung von Hartschaumstoffkernen |
| EP3075769A1 (de) | 2015-03-31 | 2016-10-05 | Evonik Röhm GmbH | Herstellung eines PMMA-Schaumstoffs unter Verwendung von Vernetzern, Reglern und Treibmitteln |
| EP3159129A1 (de) | 2015-10-22 | 2017-04-26 | Evonik Röhm GmbH | Herstellung von komplexen schaum-/ oder sandwichholstrukturen mittels eines formkerns |
| AT518100A1 (de) | 2015-12-22 | 2017-07-15 | Fill Gmbh | Verfahren zur Herstellung eines Formkörpers aus einem Partikelschaummaterial |
| AT518099A1 (de) * | 2015-12-22 | 2017-07-15 | Fill Gmbh | Verfahren zur Herstellung eines geschäumten Partikelschaummaterials |
| CN106079217B (zh) * | 2016-06-08 | 2018-08-28 | 惠州景华包装制品有限公司 | 一种eps红外线预发泡工艺 |
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- 2014-12-03 EP EP14806261.5A patent/EP3077451B1/de active Active
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| CA2932417C (en) | 2021-11-16 |
| TWI656152B (zh) | 2019-04-11 |
| NO3129742T3 (ja) | 2018-08-25 |
| DK3077451T3 (en) | 2018-05-22 |
| ES2663520T3 (es) | 2018-04-13 |
| US20160332344A1 (en) | 2016-11-17 |
| AU2014359300B2 (en) | 2017-08-24 |
| EP3077451A1 (de) | 2016-10-12 |
| RU2663242C1 (ru) | 2018-08-03 |
| EP3077451B1 (de) | 2018-02-07 |
| KR102318466B1 (ko) | 2021-10-27 |
| PL3077451T3 (pl) | 2018-07-31 |
| TW201538580A (zh) | 2015-10-16 |
| CN105793338B (zh) | 2019-07-09 |
| CA2932417A1 (en) | 2015-06-11 |
| ZA201604398B (en) | 2017-11-29 |
| BR112016012423B1 (pt) | 2021-07-20 |
| CN105793338A (zh) | 2016-07-20 |
| AU2014359300A1 (en) | 2016-06-16 |
| US10343314B2 (en) | 2019-07-09 |
| DE102013225132A1 (de) | 2015-06-11 |
| JP6474408B2 (ja) | 2019-02-27 |
| KR20160096133A (ko) | 2016-08-12 |
| WO2015082509A1 (de) | 2015-06-11 |
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