EP3987004A4 - Agents d'expansion dans des systèmes de traitement de mousse polymère - Google Patents

Agents d'expansion dans des systèmes de traitement de mousse polymère Download PDF

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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.)
Withdrawn
Application number
EP20826773.2A
Other languages
German (de)
English (en)
Other versions
EP3987004A1 (fr
Inventor
Samuel Edward DIX
Levi A. Kishbaugh
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Trexel Inc
Original Assignee
Trexel Inc
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
Priority claimed from US16/447,201 external-priority patent/US11332593B2/en
Application filed by Trexel Inc filed Critical Trexel Inc
Publication of EP3987004A1 publication Critical patent/EP3987004A1/fr
Publication of EP3987004A4 publication Critical patent/EP3987004A4/fr
Withdrawn legal-status Critical Current

Links

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)
EP20826773.2A 2019-06-20 2020-06-18 Agents d'expansion dans des systèmes de traitement de mousse polymère Withdrawn EP3987004A4 (fr)

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 (fr) 2019-06-20 2020-06-18 Agents d'expansion dans des systèmes de traitement de mousse polymère

Publications (2)

Publication Number Publication Date
EP3987004A1 EP3987004A1 (fr) 2022-04-27
EP3987004A4 true EP3987004A4 (fr) 2023-08-23

Family

ID=74040483

Family Applications (1)

Application Number Title Priority Date Filing Date
EP20826773.2A Withdrawn EP3987004A4 (fr) 2019-06-20 2020-06-18 Agents d'expansion dans des systèmes de traitement de mousse polymère

Country Status (2)

Country Link
EP (1) EP3987004A4 (fr)
WO (1) WO2020257481A1 (fr)

Citations (5)

* Cited by examiner, † Cited by third party
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 (fr) * 2002-04-26 2003-10-29 MöllerTech GmbH Procédé de production de matières plastiques expansibles
US20170225372A1 (en) * 2014-10-31 2017-08-10 Hitachi Maxell, Ltd. Process and device for producing foamed molded object
WO2017182913A1 (fr) * 2016-04-21 2017-10-26 Sabic Global Technologies B.V. Procédé de production de pièces présentant une meilleure qualité d'impact à l'aide d'un processus d'injection moussage en combinaison avec un processus d'ouverture partielle du moule
US20180339439A1 (en) * 2016-03-15 2018-11-29 Maxell, Ltd. Method and apparatus for manufacturing foam molded body

Family Cites Families (6)

* Cited by examiner, † Cited by third party
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

Patent Citations (5)

* Cited by examiner, † Cited by third party
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 (fr) * 2002-04-26 2003-10-29 MöllerTech GmbH Procédé de production de matières plastiques expansibles
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 (fr) * 2016-04-21 2017-10-26 Sabic Global Technologies B.V. Procédé de production de pièces présentant une meilleure qualité d'impact à l'aide d'un processus d'injection moussage en combinaison avec un processus d'ouverture partielle du moule

Also Published As

Publication number Publication date
WO2020257481A1 (fr) 2020-12-24
EP3987004A1 (fr) 2022-04-27

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