EP3987004A4 - Treibmittel in polymerschaumverarbeitungssystemen - Google Patents
Treibmittel in polymerschaumverarbeitungssystemen Download PDFInfo
- Publication number
- EP3987004A4 EP3987004A4 EP20826773.2A EP20826773A EP3987004A4 EP 3987004 A4 EP3987004 A4 EP 3987004A4 EP 20826773 A EP20826773 A EP 20826773A EP 3987004 A4 EP3987004 A4 EP 3987004A4
- Authority
- EP
- European Patent Office
- Prior art keywords
- processing systems
- blowing agents
- polymer foam
- foam processing
- 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.)
- Pending
Links
- 239000004604 Blowing Agent Substances 0.000 title 1
- 239000006260 foam Substances 0.000 title 1
- 229920000642 polymer Polymers 0.000 title 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
- C08J9/12—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 by a physical blowing agent
- C08J9/122—Hydrogen, oxygen, CO2, nitrogen or noble gases
-
- 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
- B29C44/3442—Mixing, kneading or conveying the foamable material
- B29C44/3446—Feeding the blowing agent
-
- 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
- C08J9/06—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 by a chemical blowing agent
- C08J9/08—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 by a chemical blowing agent developing carbon dioxide
-
- 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
- B29C44/38—Feeding the material to be shaped into a closed space, i.e. to make articles of definite length
- B29C44/42—Feeding the material to be shaped into a closed space, i.e. to make articles of definite length using pressure difference, e.g. by injection or by vacuum
-
- 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
- C08J2201/00—Foams characterised by the foaming process
- C08J2201/02—Foams characterised by the foaming process characterised by mechanical pre- or post-treatments
- C08J2201/03—Extrusion of the foamable blend
-
- 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
- C08J2203/00—Foams characterized by the expanding agent
- C08J2203/02—CO2-releasing, e.g. NaHCO3 and citric acid
-
- 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
- C08J2203/00—Foams characterized by the expanding agent
- C08J2203/06—CO2, N2 or noble gases
-
- 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
- C08J2203/00—Foams characterized by the expanding agent
- C08J2203/08—Supercritical fluid
-
- 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
- C08J2203/00—Foams characterized by the expanding agent
- C08J2203/18—Binary blends of expanding agents
- C08J2203/184—Binary blends of expanding agents of chemical foaming agent and physical blowing agent, e.g. azodicarbonamide and fluorocarbon
-
- 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
- C08J2300/00—Characterised by the use of unspecified polymers
- C08J2300/22—Thermoplastic resins
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)
- General Chemical & Material Sciences (AREA)
- Injection Moulding Of Plastics Or The Like (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US16/447,201 US11332593B2 (en) | 2018-03-01 | 2019-06-20 | Blowing agents in polymer foam processing systems |
PCT/US2020/038472 WO2020257481A1 (en) | 2019-06-20 | 2020-06-18 | Blowing agents in polymer foam processing systems |
Publications (2)
Publication Number | Publication Date |
---|---|
EP3987004A1 EP3987004A1 (de) | 2022-04-27 |
EP3987004A4 true EP3987004A4 (de) | 2023-08-23 |
Family
ID=74040483
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP20826773.2A Pending EP3987004A4 (de) | 2019-06-20 | 2020-06-18 | Treibmittel in polymerschaumverarbeitungssystemen |
Country Status (2)
Country | Link |
---|---|
EP (1) | EP3987004A4 (de) |
WO (1) | WO2020257481A1 (de) |
Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE10147070A1 (de) * | 2001-09-25 | 2003-04-17 | Microcell Polymer Technology G | Verfahren und Vorrichtung zur Herstellung eines aufgeschäumten Kunststoffprodukts sowie aufgeschäumtes Kunststoffprodukt |
EP1356912A2 (de) * | 2002-04-26 | 2003-10-29 | MöllerTech GmbH | Verfahren zur Herstellung eines schäumbaren Kunststoffes |
US20170225372A1 (en) * | 2014-10-31 | 2017-08-10 | Hitachi Maxell, Ltd. | Process and device for producing foamed molded object |
WO2017182913A1 (en) * | 2016-04-21 | 2017-10-26 | Sabic Global Technologies B.V. | Process for producing parts having increased impact performance by use of an injection molding foaming process in combination with a mold core-back process |
US20180339439A1 (en) * | 2016-03-15 | 2018-11-29 | Maxell, Ltd. | Method and apparatus for manufacturing foam molded body |
Family Cites Families (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4255368A (en) * | 1979-07-18 | 1981-03-10 | Union Carbide Corporation | Structural foam molding process |
US4406846A (en) * | 1982-11-30 | 1983-09-27 | Standard Oil Company (Indiana) | Foamed thermoplastic resin comprising poly(p-methylenebenzoate) |
US4898760A (en) * | 1987-11-17 | 1990-02-06 | Amesbury Industries, Inc. | Process and apparatus for extruding a low density elastomeric thermoplastic foam |
US5997781A (en) * | 1996-04-04 | 1999-12-07 | Mitsui Chemicals, Inc. | Injection-expansion molded, thermoplastic resin product and production process thereof |
US7172333B2 (en) * | 1999-04-02 | 2007-02-06 | Southco, Inc. | Injection molding screw |
US6593384B2 (en) * | 2000-05-25 | 2003-07-15 | Trexel, Inc. | Polymer foam processing with low blowing agent levels |
-
2020
- 2020-06-18 WO PCT/US2020/038472 patent/WO2020257481A1/en unknown
- 2020-06-18 EP EP20826773.2A patent/EP3987004A4/de active Pending
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE10147070A1 (de) * | 2001-09-25 | 2003-04-17 | Microcell Polymer Technology G | Verfahren und Vorrichtung zur Herstellung eines aufgeschäumten Kunststoffprodukts sowie aufgeschäumtes Kunststoffprodukt |
EP1356912A2 (de) * | 2002-04-26 | 2003-10-29 | MöllerTech GmbH | Verfahren zur Herstellung eines schäumbaren Kunststoffes |
US20170225372A1 (en) * | 2014-10-31 | 2017-08-10 | Hitachi Maxell, Ltd. | Process and device for producing foamed molded object |
US20180339439A1 (en) * | 2016-03-15 | 2018-11-29 | Maxell, Ltd. | Method and apparatus for manufacturing foam molded body |
WO2017182913A1 (en) * | 2016-04-21 | 2017-10-26 | Sabic Global Technologies B.V. | Process for producing parts having increased impact performance by use of an injection molding foaming process in combination with a mold core-back process |
Also Published As
Publication number | Publication date |
---|---|
WO2020257481A1 (en) | 2020-12-24 |
EP3987004A1 (de) | 2022-04-27 |
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Legal Events
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STAA | Information on the status of an ep patent application or granted ep patent |
Free format text: STATUS: THE INTERNATIONAL PUBLICATION HAS BEEN MADE |
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PUAI | Public reference made under article 153(3) epc to a published international application that has entered the european phase |
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Effective date: 20220110 |
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DAX | Request for extension of the european patent (deleted) | ||
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Ref country code: DE Ref legal event code: R079 Free format text: PREVIOUS MAIN CLASS: C12N0005000000 Ipc: B29C0044340000 |
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A4 | Supplementary search report drawn up and despatched |
Effective date: 20230724 |
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RIC1 | Information provided on ipc code assigned before grant |
Ipc: B29C 44/42 20060101ALN20230718BHEP Ipc: C08J 9/12 20060101ALI20230718BHEP Ipc: C08J 9/08 20060101ALI20230718BHEP Ipc: B29C 44/34 20060101AFI20230718BHEP |