JP2022518706A - 発泡材料を製造するための新規の発泡法 - Google Patents
発泡材料を製造するための新規の発泡法 Download PDFInfo
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- JP2022518706A JP2022518706A JP2021541166A JP2021541166A JP2022518706A JP 2022518706 A JP2022518706 A JP 2022518706A JP 2021541166 A JP2021541166 A JP 2021541166A JP 2021541166 A JP2021541166 A JP 2021541166A JP 2022518706 A JP2022518706 A JP 2022518706A
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- Prior art keywords
- temperature
- foaming
- polymer composition
- preheating
- polymer
- 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.)
- Granted
Links
- 238000000034 method Methods 0.000 title claims abstract description 37
- 238000005187 foaming Methods 0.000 title claims abstract description 30
- 238000004519 manufacturing process Methods 0.000 title claims description 11
- 239000000463 material Substances 0.000 title claims description 7
- 229920000642 polymer Polymers 0.000 claims abstract description 45
- 239000000203 mixture Substances 0.000 claims abstract description 24
- 239000004088 foaming agent Substances 0.000 claims abstract description 12
- 239000006260 foam Substances 0.000 claims description 29
- 229920003229 poly(methyl methacrylate) Polymers 0.000 claims description 8
- 239000004926 polymethyl methacrylate Substances 0.000 claims description 8
- 238000010438 heat treatment Methods 0.000 claims description 7
- CERQOIWHTDAKMF-UHFFFAOYSA-M Methacrylate Chemical compound CC(=C)C([O-])=O CERQOIWHTDAKMF-UHFFFAOYSA-M 0.000 claims description 4
- 229920001577 copolymer Polymers 0.000 claims description 4
- 230000009477 glass transition Effects 0.000 claims description 4
- 230000005855 radiation Effects 0.000 claims description 3
- 150000003949 imides Chemical class 0.000 claims description 2
- 230000001678 irradiating effect Effects 0.000 claims description 2
- 229920002492 poly(sulfone) Polymers 0.000 claims description 2
- 229920000570 polyether Polymers 0.000 claims description 2
- 239000006261 foam material Substances 0.000 abstract description 3
- 239000004743 Polypropylene Substances 0.000 description 6
- 229920006934 PMI Polymers 0.000 description 4
- 239000011148 porous material Substances 0.000 description 4
- 229920005830 Polyurethane Foam Polymers 0.000 description 3
- 238000001125 extrusion Methods 0.000 description 3
- 239000004814 polyurethane Substances 0.000 description 3
- 239000004800 polyvinyl chloride Substances 0.000 description 3
- 229920000915 polyvinyl chloride Polymers 0.000 description 3
- 229920000877 Melamine resin Polymers 0.000 description 2
- 238000004132 cross linking Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000006116 polymerization reaction Methods 0.000 description 2
- HRPVXLWXLXDGHG-UHFFFAOYSA-N Acrylamide Chemical compound NC(=O)C=C HRPVXLWXLXDGHG-UHFFFAOYSA-N 0.000 description 1
- 239000011324 bead Substances 0.000 description 1
- 238000009835 boiling Methods 0.000 description 1
- 238000005266 casting Methods 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 238000000354 decomposition reaction Methods 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 239000000835 fiber Substances 0.000 description 1
- 239000000945 filler Substances 0.000 description 1
- IVJISJACKSSFGE-UHFFFAOYSA-N formaldehyde;1,3,5-triazine-2,4,6-triamine Chemical compound O=C.NC1=NC(N)=NC(N)=N1 IVJISJACKSSFGE-UHFFFAOYSA-N 0.000 description 1
- 239000011256 inorganic filler Substances 0.000 description 1
- 229910003475 inorganic filler Inorganic materials 0.000 description 1
- 239000011810 insulating material Substances 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 239000011159 matrix material Substances 0.000 description 1
- JDSHMPZPIAZGSV-UHFFFAOYSA-N melamine Chemical compound NC1=NC(N)=NC(N)=N1 JDSHMPZPIAZGSV-UHFFFAOYSA-N 0.000 description 1
- 239000000178 monomer Substances 0.000 description 1
- 239000008188 pellet Substances 0.000 description 1
- 229920003023 plastic Polymers 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 229920007790 polymethacrylimide foam Polymers 0.000 description 1
- -1 polypropylene Polymers 0.000 description 1
- 229920001155 polypropylene Polymers 0.000 description 1
- 229920002635 polyurethane Polymers 0.000 description 1
- 238000011144 upstream manufacturing Methods 0.000 description 1
Classifications
-
- 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
-
- 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
- B29C35/00—Heating, cooling or curing, e.g. crosslinking or vulcanising; Apparatus therefor
- 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
-
- 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
- B29C44/60—Measuring, controlling or regulating
-
- 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
- B29C35/00—Heating, cooling or curing, e.g. crosslinking or vulcanising; Apparatus therefor
- 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
- B29C2035/0855—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 microwave
-
- 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
- B29K2033/00—Use of polymers of unsaturated acids or derivatives thereof as moulding material
- B29K2033/04—Polymers of esters
- B29K2033/12—Polymers of methacrylic acid esters, e.g. PMMA, i.e. polymethylmethacrylate
-
- 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
- B29K2105/04—Condition, form or state of moulded material or of the material to be shaped cellular or porous
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29L—INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES
- B29L2007/00—Flat articles, e.g. films or sheets
- B29L2007/002—Panels; Plates; Sheets
Abstract
Description
本発明は、ポリマー組成物からの発泡材料の新規の製造方法に関し、この新規の方法は、発泡剤を含むポリマーの発泡において予熱を行うプロセスステップと、次いでマイクロ波によって支援される熱プロセスにより発泡を行うプロセスステップとを含む。
(硬質)フォームを製造するためのポリマーの発泡法は、周知の知識である。既知の方法には、ポリマーを押出機で溶融させて発泡剤を充填し、この場合にノズルからの出口での圧力降下の結果としてポリマーが発泡する連続押出法、発泡剤を含むポリマーペレットをエネルギー(熱、蒸気)の供給により金型内で発泡させるビーズ発泡法、ポリマーを例えばCO2もしくはN2での加圧下に超臨界条件下で装入して圧力降下時に発泡させるバッチ法、または発泡剤を含むポリマーをオーブン内でガラス転移温度を超えて加熱することによって軟化させ、存在する発泡剤により発泡させるスラブストック発泡法が含まれる。
対処される課題は、(硬質)フォームを発泡させるための、またそれと同時に非常に均質な細孔構造を有する生成物を生じさせる、経済的に実施可能な方法を開発することであった。特に、例えばマトリックスポリマーのモル質量が大きいために押出法では製造できないPMIベースおよびPMMAベースのフォームなどの硬質フォームブロックを製造するために、経済的に実施可能な発泡法を開発する必要があった。さらなる目的は、硬質フォームシートの製造方法を明確に短縮し、それによって発泡法をより経済的に実施可能とすることであった。
上述の目的は、フォームの新規の製造方法であって、該方法において、発泡剤を含むポリマー組成物を装置内で発泡させること、および発泡の前に、発泡されるポリマー組成物を予熱することを特徴とする、方法によって達成される。この装置は、装置の内部温度TSに加熱するための熱加熱器具と、これと同時にポリマー組成物に照射するための少なくとも1つのマイクロ波源とを備える。
Claims (10)
- フォームの製造方法であって、発泡剤を含むポリマー組成物を装置内で発泡させ、ここで、前記装置は、前記装置の内部温度TSに加熱するための熱加熱器具と、これと同時に前記ポリマー組成物に照射するための少なくとも1つのマイクロ波源とを備えること、および前記発泡の前に、前記発泡されるポリマー組成物を予熱することを特徴とする、方法。
- 前記発泡されるポリマーを、前記発泡の前に、前記装置内で、前記装置の内部温度TSよりも80℃低い最低温度と10℃高い最大温度との間の温度で予熱する、請求項1記載の方法。
- 前記予熱後の前記ポリマー組成物内の最低温点と最高温点との間の温度差は、15℃以下である、請求項1または2記載の方法。
- 前記予熱されたポリマー組成物を、前記装置内での発泡プロセスに直接供給する、請求項1から3までのいずれか1項記載の方法。
- 前記ポリマー組成物は、前記発泡後に硬質フォームを形成する材料であり、好ましくは、P(M)I、PMMA、メタクリレートベースのコポリマー、PVC、PP、PU、ポリスルホン、またはポリ(エーテル)イミドである、請求項1から4までのいずれか1項記載の方法。
- 前記ポリマー組成物を、前記発泡の前に、前記ポリマー組成物のガラス転移温度Tgよりも高い予熱温度Tvに予熱する、請求項1から5までのいずれか1項記載の方法。
- 前記予熱温度Tvは、110~190℃であり、予熱時間は、少なくとも60分、好ましくは少なくとも100分である、請求項1から6までのいずれか1項記載の方法。
- 前記マイクロ波放射線は、0.85~6.0GHzの周波数を有する、請求項1から7までのいずれか1項記載の方法。
- 前記ポリマー組成物は、PMIを含み、前記予熱温度Tvは、120~190℃であり、前記装置の内部温度TSは、180~240℃である、請求項1から8までのいずれか1項記載の方法。
- 前記ポリマー組成物は、PMMAまたはメタクリレートベースのコポリマーを含み、前記予熱温度Tvは、110~140℃であり、前記装置の内部温度TSは、120~190℃である、請求項1から9までのいずれか1項記載の方法。
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP19152178.0 | 2019-01-16 | ||
EP19152178 | 2019-01-16 | ||
PCT/EP2019/086250 WO2020148067A1 (en) | 2019-01-16 | 2019-12-19 | Novel foaming process for production of foam materials |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2022518706A true JP2022518706A (ja) | 2022-03-16 |
JP7428716B2 JP7428716B2 (ja) | 2024-02-06 |
Family
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Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2021541166A Active JP7428716B2 (ja) | 2019-01-16 | 2019-12-19 | 発泡材料を製造するための新規の発泡法 |
Country Status (9)
Country | Link |
---|---|
US (1) | US11904514B2 (ja) |
EP (1) | EP3911489A1 (ja) |
JP (1) | JP7428716B2 (ja) |
KR (1) | KR20210113343A (ja) |
CN (1) | CN113286686A (ja) |
CA (1) | CA3126411A1 (ja) |
MX (1) | MX2021008314A (ja) |
TW (1) | TW202039665A (ja) |
WO (1) | WO2020148067A1 (ja) |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP7315534B2 (ja) | 2017-08-24 | 2023-07-26 | エボニック オペレーションズ ゲーエムベーハー | 航空機内装の用途向けのpei粒子発泡体 |
KR20210114461A (ko) * | 2019-01-16 | 2021-09-23 | 에보닉 오퍼레이션스 게엠베하 | 마이크로웨이브의 이용을 통한 발포제 함유 중합체의 발포 |
TW202039665A (zh) | 2019-01-16 | 2020-11-01 | 德商贏創運營有限公司 | 製造發泡體材料之新穎發泡方法 |
US11833703B2 (en) | 2020-10-29 | 2023-12-05 | Evonik Operations Gmbh | Process for producing foam panels for the production of foam films |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS60262835A (ja) * | 1984-06-11 | 1985-12-26 | Gunei Kagaku Kogyo Kk | フエノ−ル樹脂発泡体の製造方法 |
JPS6125810A (ja) * | 1984-07-16 | 1986-02-04 | Toho Shiitofureemu Kk | ノボラツク型フエノ−ル樹脂の連続発泡成型方法 |
JPS6374629A (ja) * | 1986-09-11 | 1988-04-05 | レーム・ゲゼシヤフト・ミツト・ベシユレンクテル・ハフツング | 硬質気泡材料の製造方法 |
US5064867A (en) * | 1990-04-05 | 1991-11-12 | Ethyl Corporation | Production of foamed polymer structures |
Family Cites Families (36)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3627711A (en) | 1968-12-27 | 1971-12-14 | Roehm & Haas Gmbh | Foamable synthetic resin compositions |
DE2726259C2 (de) | 1977-06-10 | 1985-11-28 | Röhm GmbH, 6100 Darmstadt | Verfahren zur Herstellung von Polyacryl- und/oder Polymethacrylimid-Schaumstoffen |
DE3011769A1 (de) | 1980-03-27 | 1981-10-01 | Basf Ag, 6700 Ludwigshafen | Verfahren zur herstellung von elastischen schaumstoffen auf basis eines melamin/formaldehyd-kondensationsprodukts |
EP0048119A3 (en) | 1980-09-12 | 1982-08-11 | I M L Corporation | Methods of preparing polyimides and artifacts composed thereof |
DE3372980D1 (en) | 1983-03-28 | 1987-09-17 | Bayer Ag | Process for preparing polyolefin foams |
DE3826469A1 (de) | 1988-08-04 | 1990-02-08 | Roehm Gmbh | Hartschaum als kernmaterial fuer schichtwerkstoffe |
US5064667A (en) | 1988-12-15 | 1991-11-12 | Oscar Mayer Foods Corporation | Method for shaping bacon bellies |
KR20030059827A (ko) | 2000-12-04 | 2003-07-10 | 노바 케미칼즈 인코포레이팃드 | 발포성 중합체 조성물의 발포 기포질 입자 |
AU2002219980A1 (en) | 2000-12-21 | 2002-07-08 | Dow Global Technologies Inc. | Blowing agents compositions containing hydrofluorocarbons, a low-boiling alcohol and/or low-boiling carbonyl compound |
DE10141757A1 (de) * | 2001-08-29 | 2003-03-27 | Roehm Gmbh | Verbessertes Verfahren zur Herstellung von PMI-Schäumen |
NZ515097A (en) | 2001-10-29 | 2004-03-26 | Blue Marble Polymers Ltd | Improvements in and relating to bio-degradable foamed products |
US20060210785A1 (en) * | 2003-07-18 | 2006-09-21 | Oji Paper Co., Ltd. | Foamed product in a sheet form and method for production thereof |
CN1281401C (zh) | 2003-12-17 | 2006-10-25 | 中国核动力研究设计院 | 粉末冶金细芯块的生坯成型方法及装置 |
AT501518A1 (de) | 2005-02-18 | 2006-09-15 | Nowy & Zorn Entwicklungs Gmbh | Schaumstoffprodukt |
EP2207841B1 (en) | 2007-11-02 | 2011-09-14 | Dow Global Technologies LLC | Extruded polymer foams containing brominated fatty acid-based flame retardant additives |
US20120178838A1 (en) | 2010-10-07 | 2012-07-12 | Lanxess Elastomers B.V. | Foamable rubber composition |
CN104204933B (zh) | 2012-03-29 | 2017-04-26 | 富士胶片株式会社 | 非线性光学材料和使用其的非线性光学元件 |
EP2703074A1 (de) | 2012-09-04 | 2014-03-05 | Basf Se | Verfahren zur Herstellung von Melamin/Formaldehyd-Schaumstoffen |
DE102013001410B4 (de) | 2013-01-28 | 2018-02-22 | Frank van Lück | Verfahren zur Herstellung eines Schaumprodukts sowie Vorrichtung hierfür |
DE102013205963A1 (de) | 2013-04-04 | 2014-10-09 | Evonik Industries Ag | Verfahren zur kontinuierlichen PMI-Schaumfertigung |
DE102013223347A1 (de) | 2013-11-15 | 2015-05-21 | Evonik Industries Ag | Mit Poly(meth)acrylimid-Schaum gefüllte Wabenstrukturen |
DE102013225132A1 (de) | 2013-12-06 | 2015-06-11 | Evonik Industries Ag | Vorschäumung von Poly(meth)acrylimid-Partikeln für das anschließende Formschäumen in geschlossenen Werkzeugen |
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 |
CN107428984B (zh) | 2015-03-13 | 2021-05-18 | 巴斯夫欧洲公司 | 基于热塑性弹性体的导电颗粒泡沫 |
EP3075770A1 (de) | 2015-03-31 | 2016-10-05 | Evonik Röhm GmbH | Herstellung feinporiger pmma-schäume mittels verwendung von nukleierungsmitteln |
EP3075769A1 (de) | 2015-03-31 | 2016-10-05 | Evonik Röhm GmbH | Herstellung eines PMMA-Schaumstoffs unter Verwendung von Vernetzern, Reglern und Treibmitteln |
EP3144344A1 (de) | 2015-09-15 | 2017-03-22 | Evonik Röhm GmbH | Mehrfunktionale alkohole als vernetzer in pmi schaumstoffen |
CN205167373U (zh) | 2015-11-30 | 2016-04-20 | 郑州峰泰纳米材料有限公司 | 一种氨基树脂的微波发泡炉 |
CA3034103A1 (en) | 2016-09-12 | 2018-03-15 | Evonik Rohm Gmbh | Improving the properties in pmma foams by using methacrylic amides |
CN109952343A (zh) | 2016-11-23 | 2019-06-28 | 巴斯夫欧洲公司 | 三聚氰胺甲醛泡沫的制备 |
CN107698976A (zh) * | 2017-10-31 | 2018-02-16 | 四川大学 | 制备高性能多功能聚合物泡沫材料和制品的珠粒发泡方法 |
TW202039665A (zh) | 2019-01-16 | 2020-11-01 | 德商贏創運營有限公司 | 製造發泡體材料之新穎發泡方法 |
KR20210114461A (ko) | 2019-01-16 | 2021-09-23 | 에보닉 오퍼레이션스 게엠베하 | 마이크로웨이브의 이용을 통한 발포제 함유 중합체의 발포 |
PT4010410T (pt) | 2019-08-08 | 2023-08-07 | Evonik Operations Gmbh | Processo para a produção de espumas rígidas de polimetilmetacrilato como materiais nucleares em pás de rotores de turbinas eólicas e na construção naval |
CA3189220A1 (en) | 2020-08-18 | 2022-02-24 | Evonik Operations Gmbh | Production of high temperature polymer based pellets by underwater pelletization at elevated water temperature to produce (rigid) bead foams |
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2019
- 2019-12-19 TW TW108146663A patent/TW202039665A/zh unknown
- 2019-12-19 KR KR1020217025457A patent/KR20210113343A/ko unknown
- 2019-12-19 CA CA3126411A patent/CA3126411A1/en active Pending
- 2019-12-19 JP JP2021541166A patent/JP7428716B2/ja active Active
- 2019-12-19 WO PCT/EP2019/086250 patent/WO2020148067A1/en unknown
- 2019-12-19 US US17/310,059 patent/US11904514B2/en active Active
- 2019-12-19 EP EP19821120.3A patent/EP3911489A1/en active Pending
- 2019-12-19 CN CN201980088967.0A patent/CN113286686A/zh active Pending
- 2019-12-19 MX MX2021008314A patent/MX2021008314A/es unknown
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS60262835A (ja) * | 1984-06-11 | 1985-12-26 | Gunei Kagaku Kogyo Kk | フエノ−ル樹脂発泡体の製造方法 |
JPS6125810A (ja) * | 1984-07-16 | 1986-02-04 | Toho Shiitofureemu Kk | ノボラツク型フエノ−ル樹脂の連続発泡成型方法 |
JPS6374629A (ja) * | 1986-09-11 | 1988-04-05 | レーム・ゲゼシヤフト・ミツト・ベシユレンクテル・ハフツング | 硬質気泡材料の製造方法 |
US4740530A (en) * | 1986-09-11 | 1988-04-26 | Rohm Gmbh | Method for foaming synthetic resin bodies with microwave or high frequency energy |
US5064867A (en) * | 1990-04-05 | 1991-11-12 | Ethyl Corporation | Production of foamed polymer structures |
Also Published As
Publication number | Publication date |
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US20220063153A1 (en) | 2022-03-03 |
CN113286686A (zh) | 2021-08-20 |
WO2020148067A1 (en) | 2020-07-23 |
US11904514B2 (en) | 2024-02-20 |
KR20210113343A (ko) | 2021-09-15 |
MX2021008314A (es) | 2021-08-05 |
TW202039665A (zh) | 2020-11-01 |
EP3911489A1 (en) | 2021-11-24 |
CA3126411A1 (en) | 2020-07-23 |
JP7428716B2 (ja) | 2024-02-06 |
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