DE10141757A1 - Verbessertes Verfahren zur Herstellung von PMI-Schäumen - Google Patents
Verbessertes Verfahren zur Herstellung von PMI-SchäumenInfo
- Publication number
- DE10141757A1 DE10141757A1 DE10141757A DE10141757A DE10141757A1 DE 10141757 A1 DE10141757 A1 DE 10141757A1 DE 10141757 A DE10141757 A DE 10141757A DE 10141757 A DE10141757 A DE 10141757A DE 10141757 A1 DE10141757 A1 DE 10141757A1
- Authority
- DE
- Germany
- Prior art keywords
- hot air
- foaming
- temperature
- air oven
- preheating
- Prior art date
- Legal status (The legal status 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 status listed.)
- Ceased
Links
- 238000000034 method Methods 0.000 title claims abstract description 66
- 238000004519 manufacturing process Methods 0.000 title abstract description 7
- 229920007790 polymethacrylimide foam Polymers 0.000 title description 5
- 238000005187 foaming Methods 0.000 claims abstract description 46
- 239000006260 foam Substances 0.000 claims abstract description 28
- 229920000642 polymer Polymers 0.000 claims abstract description 15
- 239000000463 material Substances 0.000 claims description 10
- 238000010438 heat treatment Methods 0.000 claims description 9
- CERQOIWHTDAKMF-UHFFFAOYSA-N Methacrylic acid Chemical compound CC(=C)C(O)=O CERQOIWHTDAKMF-UHFFFAOYSA-N 0.000 claims description 6
- GYCMBHHDWRMZGG-UHFFFAOYSA-N Methylacrylonitrile Chemical compound CC(=C)C#N GYCMBHHDWRMZGG-UHFFFAOYSA-N 0.000 claims description 6
- 238000006243 chemical reaction Methods 0.000 claims description 5
- 230000001965 increasing effect Effects 0.000 claims description 5
- 238000010276 construction Methods 0.000 claims description 3
- 239000000178 monomer Substances 0.000 claims description 3
- 229920001577 copolymer Polymers 0.000 claims description 2
- 238000002360 preparation method Methods 0.000 claims description 2
- 239000004642 Polyimide Substances 0.000 claims 1
- 239000000654 additive Substances 0.000 claims 1
- 238000007334 copolymerization reaction Methods 0.000 claims 1
- 239000003999 initiator Substances 0.000 claims 1
- 229920001721 polyimide Polymers 0.000 claims 1
- 238000007363 ring formation reaction Methods 0.000 claims 1
- 238000007906 compression Methods 0.000 abstract description 11
- 230000006835 compression Effects 0.000 abstract description 11
- 238000005266 casting Methods 0.000 abstract description 3
- 208000034012 Acid sphingomyelinase deficiency Diseases 0.000 abstract 1
- 101000595674 Homo sapiens Pituitary homeobox 3 Proteins 0.000 abstract 1
- 102100036088 Pituitary homeobox 3 Human genes 0.000 abstract 1
- 208000026753 anterior segment dysgenesis Diseases 0.000 abstract 1
- 230000000052 comparative effect Effects 0.000 description 10
- 239000000203 mixture Substances 0.000 description 9
- 238000005336 cracking Methods 0.000 description 5
- ZHNUHDYFZUAESO-UHFFFAOYSA-N Formamide Chemical compound NC=O ZHNUHDYFZUAESO-UHFFFAOYSA-N 0.000 description 4
- QIGBRXMKCJKVMJ-UHFFFAOYSA-N Hydroquinone Chemical compound OC1=CC=C(O)C=C1 QIGBRXMKCJKVMJ-UHFFFAOYSA-N 0.000 description 4
- KFZMGEQAYNKOFK-UHFFFAOYSA-N Isopropanol Chemical compound CC(C)O KFZMGEQAYNKOFK-UHFFFAOYSA-N 0.000 description 4
- 238000006116 polymerization reaction Methods 0.000 description 4
- 239000004604 Blowing Agent Substances 0.000 description 3
- 239000011521 glass Substances 0.000 description 3
- XLOMVQKBTHCTTD-UHFFFAOYSA-N Zinc monoxide Chemical compound [Zn]=O XLOMVQKBTHCTTD-UHFFFAOYSA-N 0.000 description 2
- 239000003795 chemical substances by application Substances 0.000 description 2
- 239000002131 composite material Substances 0.000 description 2
- 239000011162 core material Substances 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000009472 formulation Methods 0.000 description 2
- 238000012417 linear regression Methods 0.000 description 2
- 239000000395 magnesium oxide Substances 0.000 description 2
- CPLXHLVBOLITMK-UHFFFAOYSA-N magnesium oxide Inorganic materials [Mg]=O CPLXHLVBOLITMK-UHFFFAOYSA-N 0.000 description 2
- 239000003380 propellant Substances 0.000 description 2
- OPQYOFWUFGEMRZ-UHFFFAOYSA-N tert-butyl 2,2-dimethylpropaneperoxoate Chemical compound CC(C)(C)OOC(=O)C(C)(C)C OPQYOFWUFGEMRZ-UHFFFAOYSA-N 0.000 description 2
- GJBRNHKUVLOCEB-UHFFFAOYSA-N tert-butyl benzenecarboperoxoate Chemical compound CC(C)(C)OOC(=O)C1=CC=CC=C1 GJBRNHKUVLOCEB-UHFFFAOYSA-N 0.000 description 2
- 125000000999 tert-butyl group Chemical group [H]C([H])([H])C(*)(C([H])([H])[H])C([H])([H])[H] 0.000 description 2
- RNFJDJUURJAICM-UHFFFAOYSA-N 2,2,4,4,6,6-hexaphenoxy-1,3,5-triaza-2$l^{5},4$l^{5},6$l^{5}-triphosphacyclohexa-1,3,5-triene Chemical compound N=1P(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP=1(OC=1C=CC=CC=1)OC1=CC=CC=C1 RNFJDJUURJAICM-UHFFFAOYSA-N 0.000 description 1
- HRPVXLWXLXDGHG-UHFFFAOYSA-N Acrylamide Chemical compound NC(=O)C=C HRPVXLWXLXDGHG-UHFFFAOYSA-N 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 230000006378 damage Effects 0.000 description 1
- 230000002950 deficient Effects 0.000 description 1
- 230000000593 degrading effect Effects 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000003063 flame retardant Substances 0.000 description 1
- -1 laminates Substances 0.000 description 1
- AXZKOIWUVFPNLO-UHFFFAOYSA-N magnesium;oxygen(2-) Chemical compound [O-2].[Mg+2] AXZKOIWUVFPNLO-UHFFFAOYSA-N 0.000 description 1
- 239000011159 matrix material Substances 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 238000005191 phase separation Methods 0.000 description 1
- 239000002244 precipitate Substances 0.000 description 1
- 239000000047 product Substances 0.000 description 1
- FBCQUCJYYPMKRO-UHFFFAOYSA-N prop-2-enyl 2-methylprop-2-enoate Chemical compound CC(=C)C(=O)OCC=C FBCQUCJYYPMKRO-UHFFFAOYSA-N 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 238000005070 sampling Methods 0.000 description 1
- 238000004904 shortening Methods 0.000 description 1
- 239000000725 suspension Substances 0.000 description 1
- 230000000930 thermomechanical effect Effects 0.000 description 1
- 230000036962 time dependent Effects 0.000 description 1
- 239000011787 zinc oxide Substances 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J9/00—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof
- C08J9/04—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof using blowing gases generated by a previously added blowing agent
-
- 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
- B29C44/02—Shaping by internal pressure generated in the material, e.g. swelling or foaming ; Producing porous or cellular expanded plastics articles for articles of definite length, i.e. discrete articles
- B29C44/08—Shaping by internal pressure generated in the material, e.g. swelling or foaming ; Producing porous or cellular expanded plastics articles for articles of definite length, i.e. discrete articles using several expanding or moulding steps
-
- 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
- B29C44/3415—Heating or cooling
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J2333/00—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
- C08J2333/24—Homopolymers or copolymers of amides or imides
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Mechanical Engineering (AREA)
- Manufacture Of Porous Articles, And Recovery And Treatment Of Waste Products (AREA)
Priority Applications (13)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE10141757A DE10141757A1 (de) | 2001-08-29 | 2001-08-29 | Verbessertes Verfahren zur Herstellung von PMI-Schäumen |
| US10/486,361 US7169339B2 (en) | 2001-08-29 | 2002-08-01 | Method for producing polymethacrylimide foams |
| EP02754966.6A EP1444293B1 (de) | 2001-08-29 | 2002-08-01 | Verfahren zur herstellung von polymethacrylimidschäumen |
| CA2471281A CA2471281C (en) | 2001-08-29 | 2002-08-01 | Method for producing polymethacrylimide foams |
| KR1020047002976A KR100943399B1 (ko) | 2001-08-29 | 2002-08-01 | 폴리메타크릴이미드 발포체의 제조방법 및 당해 방법으로 수득 가능한 폴리메타크릴이미드의 발포 판 또는 시이트 |
| PCT/EP2002/008569 WO2003020804A1 (de) | 2001-08-29 | 2002-08-01 | Verbessertes zur herstellung von polymetharylimidschäumen |
| MXPA04001840A MXPA04001840A (es) | 2001-08-29 | 2002-08-01 | Metodo para la preparacion de espuma de polimetacrilimida. |
| JP2003525069A JP4808926B2 (ja) | 2001-08-29 | 2002-08-01 | ポリメタクリルイミドフォームの改善された製法 |
| CNB028143159A CN1237098C (zh) | 2001-08-29 | 2002-08-01 | 聚甲基丙烯酰亚胺泡沫材料的制备方法 |
| ES02754966.6T ES2453488T3 (es) | 2001-08-29 | 2002-08-01 | Procedimiento para la producción de materiales espumados de poli(metacrilimida) |
| HK05104019.4A HK1071387B (en) | 2001-08-29 | 2002-08-01 | Method for producing polymethacrylimide foams |
| DK02754966.6T DK1444293T3 (da) | 2001-08-29 | 2002-08-01 | Fremgangsmåde til fremstilling af polymethacrylimidskum |
| TW091119730A TWI224121B (en) | 2001-08-29 | 2002-08-29 | Improved method for the preparation of PMI foams |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE10141757A DE10141757A1 (de) | 2001-08-29 | 2001-08-29 | Verbessertes Verfahren zur Herstellung von PMI-Schäumen |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| DE10141757A1 true DE10141757A1 (de) | 2003-03-27 |
Family
ID=7696638
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE10141757A Ceased DE10141757A1 (de) | 2001-08-29 | 2001-08-29 | Verbessertes Verfahren zur Herstellung von PMI-Schäumen |
Country Status (12)
| Country | Link |
|---|---|
| US (1) | US7169339B2 (https=) |
| EP (1) | EP1444293B1 (https=) |
| JP (1) | JP4808926B2 (https=) |
| KR (1) | KR100943399B1 (https=) |
| CN (1) | CN1237098C (https=) |
| CA (1) | CA2471281C (https=) |
| DE (1) | DE10141757A1 (https=) |
| DK (1) | DK1444293T3 (https=) |
| ES (1) | ES2453488T3 (https=) |
| MX (1) | MXPA04001840A (https=) |
| TW (1) | TWI224121B (https=) |
| WO (1) | WO2003020804A1 (https=) |
Families Citing this family (45)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE10259674A1 (de) * | 2002-12-18 | 2004-07-15 | Röhm GmbH & Co. KG | Derivatisierung hochmolekularer Polymethacrylimide |
| DE10350971A1 (de) * | 2003-10-30 | 2005-06-02 | Röhm GmbH & Co. KG | Wärmeformbeständige Polymethacrylimid-Schaumstoffe mit feinen Poren |
| CN100420702C (zh) * | 2005-07-28 | 2008-09-24 | 西北工业大学 | 一种maa/an共聚物泡沫塑料及其制备方法 |
| CN101328243B (zh) * | 2007-06-20 | 2011-05-18 | 中国科学院化学研究所 | 一种聚丙烯酰亚胺类泡沫材料及其制备方法 |
| CN101381427B (zh) * | 2007-09-04 | 2013-06-26 | 赢创罗姆有限公司 | 制备块状聚(甲基)丙烯酰亚胺泡沫材料的方法 |
| CN101456967B (zh) * | 2009-01-05 | 2011-10-12 | 中国工程物理研究院化工材料研究所 | 一种热塑性聚酰亚胺多孔材料的制备方法 |
| CN101857656B (zh) * | 2010-05-24 | 2011-08-31 | 四川大学 | 用于生产聚甲基丙烯酰亚胺泡沫材料的可发性颗粒及应用 |
| DE102010038716A1 (de) * | 2010-07-30 | 2012-02-02 | Evonik Degussa Gmbh | Verfahren zum In-Mold Foaming mit einem schäumbaren Medium und Deckschichten und dadurch erhältlicher Kunststoffformkörper |
| DE102010040286A1 (de) | 2010-08-31 | 2012-03-01 | Evonik Röhm Gmbh | PMI-Schäume mit verbesserten mechanischen Eigenschaften, insbesondere mit erhöhter Reißdehnung |
| DE102010042752A1 (de) | 2010-10-21 | 2012-04-26 | Evonik Degussa Gmbh | Neuartige Bauweise für PKW / NFZ Leichtbaukammerfelgen umfassend Bauweise, Materialkonzept, Konstruktionsmerkmale und Herstellverfahren |
| CN102051012B (zh) * | 2010-11-30 | 2012-02-08 | 湖南兆恒材料科技有限公司 | 一种晶须改性聚甲基丙烯酰亚胺泡沫塑料及其制备方法 |
| DE102011002905A1 (de) * | 2011-01-20 | 2012-07-26 | Evonik Röhm Gmbh | Polyacrylimid-Schaumstoffe mit reduziertem Gehalt an Restmonomeren, sowie Verfahren zur Herstellung |
| CN102275311B (zh) * | 2011-07-12 | 2013-04-17 | 北京化工大学 | 一种聚酰亚胺复合材料反应成型方法 |
| CN102432971A (zh) * | 2011-09-14 | 2012-05-02 | 刘天义 | 甲基丙烯亚胺泡沫塑料及其制备方法 |
| CN102850705B (zh) * | 2012-03-16 | 2014-05-07 | 北京化工大学 | 一种聚丙烯酰亚胺泡沫的制备方法 |
| DE102012208428A1 (de) | 2012-05-21 | 2013-11-21 | Evonik Industries Ag | Pul-Core-Verfahren mit PMI-Schaumkern |
| CA2879927C (en) | 2012-07-24 | 2021-01-26 | Evonik Industries Ag | Novel shaping process for pmi foam materials and/or composite components produced therefrom |
| DE102013205963A1 (de) * | 2013-04-04 | 2014-10-09 | Evonik Industries Ag | Verfahren zur kontinuierlichen PMI-Schaumfertigung |
| KR102216229B1 (ko) | 2013-10-30 | 2021-02-18 | 에보닉 오퍼레이션스 게엠베하 | 폼 코어들을 갖는 샌드위치 타입의 구성의 프로파일들의 연속적인 제조 및 강성의 폼이 충전된 프로파일 |
| DE102013223347A1 (de) | 2013-11-15 | 2015-05-21 | Evonik Industries Ag | Mit Poly(meth)acrylimid-Schaum gefüllte Wabenstrukturen |
| DE102013223353A1 (de) | 2013-11-15 | 2015-05-21 | Evonik Industries Ag | One-shot Herstellung von Composites |
| DE102013225132A1 (de) | 2013-12-06 | 2015-06-11 | Evonik Industries Ag | Vorschäumung von Poly(meth)acrylimid-Partikeln für das anschließende Formschäumen in geschlossenen Werkzeugen |
| CN103923337B (zh) * | 2014-04-30 | 2016-06-08 | 湖南兆恒材料科技有限公司 | 聚甲基丙烯酰亚胺复合泡沫吸波材料 |
| DE102014209425A1 (de) | 2014-05-19 | 2015-11-19 | Evonik Röhm Gmbh | Formschäumen von Poly(meth)acrylimid-Partikeln in geschlossenen Werkzeugen zur Herstellung von Hartschaumkernen |
| CN104045952B (zh) * | 2014-06-23 | 2015-11-04 | 浙江理工大学 | 一种无收缩共聚物及其制备方法 |
| 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 |
| DE102014009584A1 (de) | 2014-07-01 | 2016-01-07 | Evonik Röhm Gmbh | One-shot HD-RTM-Verfahren |
| EP2982503A1 (de) * | 2014-08-07 | 2016-02-10 | Evonik Röhm GmbH | Sandwich-Bauteile aus Poly(Meth)acrylat-basierten Schaumkörpern und reversibel vernetzbaren Composites |
| EP3015256A1 (de) | 2014-10-27 | 2016-05-04 | Evonik Röhm GmbH | Herstellung mehrere unterschiedlicher Faserverbundbauteile für Großserien in einem kontinuierlichen Prozess |
| EP3015255A1 (de) | 2014-10-27 | 2016-05-04 | Evonik Röhm GmbH | Kontinuierliche Herstellung von Profilen in Sandwichbauweise mit Schaumkernen und Hartschaum gefülltes Profil |
| JP2018503519A (ja) | 2014-11-18 | 2018-02-08 | エボニック レーム ゲゼルシャフト ミット ベシュレンクテル ハフツングＥｖｏｎｉｋ Ｒｏｅｈｍ ＧｍｂＨ | 厚い硬質発泡板の分割 |
| CN104610562B (zh) * | 2015-02-15 | 2016-03-30 | 浩博（福建）新材料科技有限公司 | 一种聚甲基丙烯酰亚胺泡沫的制备方法 |
| EP3144344A1 (de) | 2015-09-15 | 2017-03-22 | Evonik Röhm GmbH | Mehrfunktionale alkohole als vernetzer in pmi schaumstoffen |
| EP3159129A1 (de) | 2015-10-22 | 2017-04-26 | Evonik Röhm GmbH | Herstellung von komplexen schaum-/ oder sandwichholstrukturen mittels eines formkerns |
| TWI778957B (zh) * | 2016-03-30 | 2022-10-01 | 大陸商贏創特種化學（上海）有限公司 | 包含聚（甲基）丙烯醯亞胺發泡體粒子的聚合物混合物 |
| EP3225654A1 (de) | 2016-03-30 | 2017-10-04 | Evonik Röhm GmbH | Verkürzung der abkühlphase beim partikelschäumen durch die wärmeleitung erhöhende additive |
| CN109280210A (zh) * | 2018-08-25 | 2019-01-29 | 浙江中科恒泰新材料科技有限公司 | 一种阻燃型聚甲基丙烯酰亚胺异型泡沫的制备方法 |
| MX2021008314A (es) * | 2019-01-16 | 2021-08-05 | Evonik Operations Gmbh | Nuevo proceso de formacion de espuma para la produccion de materiales de espuma. |
| CN113302031A (zh) | 2019-01-16 | 2021-08-24 | 赢创运营有限公司 | 通过使用微波使含有发泡剂的聚合物发泡 |
| EP3978215A1 (de) | 2020-09-30 | 2022-04-06 | Evonik Operations GmbH | Herstellung von komplexen schaum-formkernen mit class-a fähigen oberflächen |
| ES2995476T3 (en) | 2020-10-29 | 2025-02-10 | Evonik Operations Gmbh | Process for producing foam panels for the production of foam films |
| CN114507316A (zh) * | 2022-02-24 | 2022-05-17 | 浩博（福建）新材料科技有限公司 | 一种超厚聚甲基丙烯酰亚胺泡沫塑料及其制备方法 |
| WO2023232614A1 (en) | 2022-06-03 | 2023-12-07 | Evonik Operations Gmbh | Process for producing multidimensional rigid foam parts by means of jigsaw puzzle-piece connection |
| KR20250136827A (ko) | 2023-01-20 | 2025-09-16 | 에보닉 오퍼레이션스 게엠베하 | 고온 안정적이고 폐쇄 기공을 가진 강성 경질 폼의 자동화 처리 방법 |
| WO2026041546A1 (en) | 2024-08-21 | 2026-02-26 | Evonik Operations Gmbh | Variothermal sintering |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2929165B1 (de) * | 1979-07-19 | 1981-04-23 | Röhm GmbH, 6100 Darmstadt | Verfahren zur Herstellung einer Schaumstoffplatte |
| DE3630930A1 (de) * | 1986-09-11 | 1988-03-24 | Roehm Gmbh | Verfahren zur herstellung eines hartschaumstoffes mittels eines mikrowellen- oder hochfrequenzfeldes |
| WO1990002621A1 (en) * | 1988-09-12 | 1990-03-22 | Hexcel Corporation | Compositions and process for producing foam plastics |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3812225A (en) * | 1967-01-23 | 1974-05-21 | Furukawa Electric Co Ltd | Method of manufacturing foamed crosslinked polyolefin slabs involving multiple expansion techniques and direct gas pressure |
| US3593848A (en) * | 1968-02-26 | 1971-07-20 | Atlas Coatings Corp | Foam-covered coil and methods of manufacturing the same |
| JPH0437529A (ja) * | 1990-06-01 | 1992-02-07 | Sekisui Chem Co Ltd | シート状発泡成形体の予熱装置 |
| DE19717483C2 (de) * | 1997-04-25 | 2000-05-04 | Roehm Gmbh | Polymethacrylimid-Schaumstoffe, Verfahren zu ihrer Herstellung und ihre Verwendung |
| DE19917987A1 (de) * | 1999-04-21 | 2000-10-26 | Roehm Gmbh | Verfahren zur Herstellung von blockförmigen Polymethacrylimidschaumstoffen |
| JP2005526871A (ja) * | 2002-02-28 | 2005-09-08 | レーム ゲゼルシャフト ミツト ベシュレンクテル ハフツング ウント コンパニー コマンディートゲゼルシャフト | 可燃性が低減されたポリメタクリルイミド−フォーム材料並びにその製造方法 |
-
2001
- 2001-08-29 DE DE10141757A patent/DE10141757A1/de not_active Ceased
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2002
- 2002-08-01 ES ES02754966.6T patent/ES2453488T3/es not_active Expired - Lifetime
- 2002-08-01 KR KR1020047002976A patent/KR100943399B1/ko not_active Expired - Fee Related
- 2002-08-01 MX MXPA04001840A patent/MXPA04001840A/es active IP Right Grant
- 2002-08-01 US US10/486,361 patent/US7169339B2/en not_active Expired - Lifetime
- 2002-08-01 CA CA2471281A patent/CA2471281C/en not_active Expired - Lifetime
- 2002-08-01 DK DK02754966.6T patent/DK1444293T3/da active
- 2002-08-01 WO PCT/EP2002/008569 patent/WO2003020804A1/de not_active Ceased
- 2002-08-01 CN CNB028143159A patent/CN1237098C/zh not_active Expired - Lifetime
- 2002-08-01 EP EP02754966.6A patent/EP1444293B1/de not_active Expired - Lifetime
- 2002-08-01 JP JP2003525069A patent/JP4808926B2/ja not_active Expired - Fee Related
- 2002-08-29 TW TW091119730A patent/TWI224121B/zh not_active IP Right Cessation
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2929165B1 (de) * | 1979-07-19 | 1981-04-23 | Röhm GmbH, 6100 Darmstadt | Verfahren zur Herstellung einer Schaumstoffplatte |
| DE3630930A1 (de) * | 1986-09-11 | 1988-03-24 | Roehm Gmbh | Verfahren zur herstellung eines hartschaumstoffes mittels eines mikrowellen- oder hochfrequenzfeldes |
| WO1990002621A1 (en) * | 1988-09-12 | 1990-03-22 | Hexcel Corporation | Compositions and process for producing foam plastics |
Also Published As
| Publication number | Publication date |
|---|---|
| US7169339B2 (en) | 2007-01-30 |
| CA2471281C (en) | 2010-02-23 |
| DK1444293T3 (da) | 2014-04-14 |
| KR20040029102A (ko) | 2004-04-03 |
| CN1237098C (zh) | 2006-01-18 |
| US20040235973A1 (en) | 2004-11-25 |
| CA2471281A1 (en) | 2003-03-13 |
| EP1444293B1 (de) | 2014-01-15 |
| TWI224121B (en) | 2004-11-21 |
| CN1561361A (zh) | 2005-01-05 |
| KR100943399B1 (ko) | 2010-02-22 |
| HK1071387A1 (en) | 2005-07-15 |
| JP2005501948A (ja) | 2005-01-20 |
| EP1444293A1 (de) | 2004-08-11 |
| WO2003020804A1 (de) | 2003-03-13 |
| JP4808926B2 (ja) | 2011-11-02 |
| ES2453488T3 (es) | 2014-04-07 |
| MXPA04001840A (es) | 2005-03-07 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| OP8 | Request for examination as to paragraph 44 patent law | ||
| 8127 | New person/name/address of the applicant |
Owner name: ROEHM GMBH, 64293 DARMSTADT, DE |
|
| 8127 | New person/name/address of the applicant |
Owner name: EVONIK ROEHM GMBH, 64293 DARMSTADT, DE |
|
| R002 | Refusal decision in examination/registration proceedings | ||
| R003 | Refusal decision now final |
Effective date: 20111013 |