EP4065363A4 - Crosslinked polyolefin foam having large core cells - Google Patents

Crosslinked polyolefin foam having large core cells Download PDF

Info

Publication number
EP4065363A4
EP4065363A4 EP20892318.5A EP20892318A EP4065363A4 EP 4065363 A4 EP4065363 A4 EP 4065363A4 EP 20892318 A EP20892318 A EP 20892318A EP 4065363 A4 EP4065363 A4 EP 4065363A4
Authority
EP
European Patent Office
Prior art keywords
crosslinked polyolefin
large core
polyolefin foam
core cells
cells
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
Application number
EP20892318.5A
Other languages
German (de)
French (fr)
Other versions
EP4065363A1 (en
Inventor
Keigo SHIMURA
Gary Gray
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.)
Sekisui Voltek LLC
Original Assignee
Sekisui Voltek LLC
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 US16/699,062 external-priority patent/US11332590B2/en
Priority claimed from US16/699,063 external-priority patent/US11976175B2/en
Application filed by Sekisui Voltek LLC filed Critical Sekisui Voltek LLC
Publication of EP4065363A1 publication Critical patent/EP4065363A1/en
Publication of EP4065363A4 publication Critical patent/EP4065363A4/en
Pending 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
    • C08J9/36—After-treatment
    • 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
    • B29C44/56—After-treatment of articles, e.g. for altering the shape
    • B29C44/5627—After-treatment of articles, e.g. for altering the shape by mechanical deformation, e.g. crushing, embossing, stretching
    • B29C44/5654—Subdividing foamed articles to obtain particular surface properties, e.g. on multiple modules
    • 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
    • C08J9/34—Chemical features in the manufacture of articles consisting of a foamed macromolecular core and a macromolecular surface layer having a higher density than the core
    • 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
    • C08J2201/026—Crosslinking before of after foaming
    • 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
    • C08J2205/00—Foams characterised by their properties
    • C08J2205/04—Foams characterised by their properties characterised by the foam pores
    • C08J2205/05—Open cells, i.e. more than 50% of the pores are open
    • 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
    • C08J2205/00—Foams characterised by their properties
    • C08J2205/04—Foams characterised by their properties characterised by the foam pores
    • C08J2205/052—Closed cells, i.e. more than 50% of the pores are closed
    • 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
    • C08J2323/00—Characterised by the use of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Derivatives of such polymers
    • C08J2323/02—Characterised by the use of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Derivatives of such polymers not modified by chemical after treatment
    • C08J2323/04—Homopolymers or copolymers of ethene
    • C08J2323/06—Polyethene
    • 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
    • C08J2323/00—Characterised by the use of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Derivatives of such polymers
    • C08J2323/02—Characterised by the use of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Derivatives of such polymers not modified by chemical after treatment
    • C08J2323/04—Homopolymers or copolymers of ethene
    • C08J2323/08—Copolymers of ethene
    • 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
    • C08J2323/00—Characterised by the use of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Derivatives of such polymers
    • C08J2323/02—Characterised by the use of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Derivatives of such polymers not modified by chemical after treatment
    • C08J2323/10—Homopolymers or copolymers of propene
    • C08J2323/12—Polypropene
    • 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
    • C08J2331/00—Characterised by the use of copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by an acyloxy radical of a saturated carboxylic acid, or carbonic acid, or of a haloformic acid
    • C08J2331/02—Characterised by the use of omopolymers or copolymers of esters of monocarboxylic acids
    • C08J2331/04—Homopolymers or copolymers of vinyl acetate

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)
EP20892318.5A 2019-11-28 2020-11-25 Crosslinked polyolefin foam having large core cells Pending EP4065363A4 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US16/699,062 US11332590B2 (en) 2019-11-28 2019-11-28 Crosslinked polyolefin foam having large core cells
US16/699,063 US11976175B2 (en) 2019-11-28 2019-11-28 Split crosslinked polyolefin foam composition and method
PCT/US2020/062298 WO2021108608A1 (en) 2019-11-28 2020-11-25 Crosslinked polyolefin foam having large core cells

Publications (2)

Publication Number Publication Date
EP4065363A1 EP4065363A1 (en) 2022-10-05
EP4065363A4 true EP4065363A4 (en) 2023-12-27

Family

ID=76130392

Family Applications (1)

Application Number Title Priority Date Filing Date
EP20892318.5A Pending EP4065363A4 (en) 2019-11-28 2020-11-25 Crosslinked polyolefin foam having large core cells

Country Status (5)

Country Link
EP (1) EP4065363A4 (en)
JP (1) JP2023503983A (en)
CN (1) CN114765983A (en)
AU (1) AU2020394440A1 (en)
WO (2) WO2021108615A1 (en)

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2004204154A (en) * 2002-12-26 2004-07-22 Sekisui Chem Co Ltd Crosslinked polyolefin resin foam and production method thereof
EP3225374A1 (en) * 2016-03-31 2017-10-04 Toray Plastics (America) , Inc. Methods of producing polyolefin foam sheets and articles made thereof

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5883144A (en) * 1994-09-19 1999-03-16 Sentinel Products Corp. Silane-grafted materials for solid and foam applications
JP3297253B2 (en) * 1995-06-29 2002-07-02 積水化学工業株式会社 Crosslinked polyolefin-based resin foam, laminate and molded article
JP2001138422A (en) * 1999-11-15 2001-05-22 Sekisui Chem Co Ltd Foamed sheet and method of manufacturing the same
TW565507B (en) * 2000-06-30 2003-12-11 Mitsui Chemicals Inc Foamed laminate based on olefin and use thereof
JP2010031137A (en) * 2008-07-29 2010-02-12 Sekisui Chem Co Ltd Closed cell foam sheet
BR112015003776B1 (en) * 2012-08-29 2021-03-09 Dow Global Technologies Llc composition, foam and article
CN105579501B (en) * 2013-09-30 2019-08-30 积水化学工业株式会社 Crosslinked polyolefin resin foamed sheet
JP2018521182A (en) * 2015-06-30 2018-08-02 セキスイ ヴォルテック， エルエルシーＳｅｋｉｓｕｉ Ｖｏｌｔｅｋ， Ｌｌｃ Physically crosslinked foamable particles, method for producing in situ foam and laminated foam
KR102476105B1 (en) * 2016-08-03 2022-12-08 도레이 카부시키가이샤 laminate

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2004204154A (en) * 2002-12-26 2004-07-22 Sekisui Chem Co Ltd Crosslinked polyolefin resin foam and production method thereof
EP3225374A1 (en) * 2016-03-31 2017-10-04 Toray Plastics (America) , Inc. Methods of producing polyolefin foam sheets and articles made thereof

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See also references of WO2021108608A1 *

Also Published As

Publication number Publication date
WO2021108615A1 (en) 2021-06-03
EP4065363A1 (en) 2022-10-05
CN114765983A (en) 2022-07-19
WO2021108608A1 (en) 2021-06-03
AU2020394440A1 (en) 2022-06-23
JP2023503983A (en) 2023-02-01

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